CN104787517A - Novel underground ground safety protecting device - Google Patents
Novel underground ground safety protecting device Download PDFInfo
- Publication number
- CN104787517A CN104787517A CN201510168607.5A CN201510168607A CN104787517A CN 104787517 A CN104787517 A CN 104787517A CN 201510168607 A CN201510168607 A CN 201510168607A CN 104787517 A CN104787517 A CN 104787517A
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- Prior art keywords
- ring
- protective
- outer barrel
- limit
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims description 84
- 230000004308 accommodation Effects 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000013461 design Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/1426—Housings, cabinets or enclosures for refuse receptacles
Abstract
A novel underground ground safety protecting device comprises an outer barrel and a protecting disc. The protecting disc is arranged in the outer barrel, a protecting opening is formed in the upper end of the barrel body in a matching mode, a sliding pair is formed by the protecting disc and the protecting opening, and the outer diameter of the protecting opening is larger than the outer diameter of the barrel body. The outer barrel, the protecting opening and the protecting disc are regular polygons with n edges, and n is a natural number and is larger than or equal to three. The protecting device further comprises transmission pulleys, a balancing weight and hoisting ropes, each transmission pulley is located on one side of the corresponding edge of the protecting opening and fixed to the central point of one side of the corresponding edge of the protecting opening, the balancing weight is an annular balancing weight, one end of each hoisting rope is fixedly connected with the central point of the corresponding edge of the annular balancing weight, and the other end of each hoisting rope winds around the corresponding transmission pulley and then is fixedly connected with the central point of the corresponding edge of the protecting disc. The novel underground ground safety protecting device is simple and reliable in structure, low in production and maintenance cost, capable of saving energy and environmentally friendly.
Description
Technical field
The present invention relates to a kind of buried flooring-safe protective device.
Background technology
The equipment such as increasing underground garbage collection device or garbage transfer station not only beautifying urban environment, facilitate numerous citizen, and substantially prolongs sanitationman cleaning cycle, reduce labor intensity; But, because buried equipment is placed in melt pit, break down when needing repairing or when carrying out cleaning work, buried equipment will be lifted by crane and send factory to keep in repair, the melt pit exposed is to the potential potential safety hazard of pedestrian, particularly the melt pit size of this kind equipment is comparatively large, is even formed vehicular traffic and threatens.
Summary of the invention
In order to overcome the complex structure of existing flooring-safe protective device, production maintenance cost is high, the feature of environmental protection is poor deficiency, the invention provides a kind of simple and reliable for structure, production maintenance cost is low, the Novel underground formula flooring-safe protective device of energy-conserving and environment-protective.
In order to the technical scheme solving the problems of the technologies described above proposition is:
A kind of Novel underground formula flooring-safe protective device, comprise outer barrel and protective plate, described outer barrel is arranged in melt pit, described protective plate is arranged in described outer barrel, described outer barrel comprises at the bottom of staving and bucket, the upper end of described staving is equipped with protective port, and described protective plate and described protective port form sliding pair, and the external diameter of described protective port is greater than the external diameter of described staving;
Described outer barrel, described protective port and described protective plate are positive n limit shape, n is natural number and n >=3, described protective device also comprises driven pulley, clump weight and derrick line, described driven pulley is the single groove fixed pulley vertically passed for derrick line, and described driven pulley is positioned at the side on every bar limit of described protective port; Described driven pulley is separately fixed at the midpoint of the side, a limit of described protective port, described clump weight is ring-shaped weight block, described ring-shaped weight block is positive n limit shape, n is natural number and n >=3, one end of described derrick line is fixedly connected with the mid point on a limit of described ring-shaped weight block, be fixedly connected with the mid point on a limit of described protective plate after the other end of described derrick line walks around described driven pulley, a limit of described protective plate and a limit of described ring-shaped weight block are the same side of positive n limit shape.
Further, described staving is formed in one.
Further, described staving comprises side plate, and described side plate is provided with n, and n is natural number and n >=3, surrounds the accommodation space placing underground type refuse collection equipment, connected between adjacent two side plates by fixture between at the bottom of n side plate and described bucket; Described outer barrel is also provided with blow-off pipe, and described blow-off pipe is communicated with described accommodation space.
Further, described staving is disposed with ground floor from top to bottom, the second layer and third layer, described ground floor, the described second layer, the accommodation space placing underground type refuse collection equipment is surrounded at the bottom of described third layer and described bucket, the top of described ground floor coordinates with described protective port, the bottom of described ground floor is provided with the first ring-shaped step, the top of the described second layer is provided with the first annular boss matched with described first ring-shaped step, the bottom of the described second layer is provided with the second ring-shaped step, the top of described third layer is provided with the second annular boss matched with described second ring-shaped step, the bottom of described third layer is connected with at the bottom of described bucket, described first ring-shaped step, first annular boss, second ring-shaped step and the second annular boss are positive n limit shape, n is natural number and n >=3.
Further again, described first annular boss and described first ring-shaped step, between described second annular boss and described second ring-shaped step, be provided with the rubber layer strengthening described outer barrel water-proofness.
Further again, be all connected by suspension ring between described derrick line with described clump weight, between described derrick line with described protective plate.
Further again, every bar limit of described clump weight is provided with to prevent clump weight from bumping against the adjustable bolt of protective port, and described adjustable bolt is between described protective port and described clump weight.
The beneficial effect of buried flooring-safe protective device of the present invention is:
1, the application of this buried flooring-safe protective device can prevent people or vehicle from falling in melt pit, protection resident and pedestrains safety;
2, this buried flooring-safe protective device produce and maintenance cost low, can be used in the protection system of any buried equipment;
3, this buried flooring-safe protective device utilizes the load on clump weight balance protective plate, without additional driving, and energy-conserving and environment-protective;
4, the arranging to play the upper edge of outer barrel and exempt from impact protector effect of protective port.
5, clump weight adopts the design of annular polygons shape, more stable, less rocks, also for underground type refuse collection equipment play the guiding role.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of Novel underground formula flooring-safe protective device, and wherein outer barrel is omitted;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of integral type outer barrel;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is the structural representation of build-up type outer barrel;
Fig. 6 is the cutaway view of Fig. 5;
Fig. 7 is the structural representation of sinking type outer barrel;
Fig. 8 is the cutaway view of Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to Fig. 1 ~ Fig. 8, a kind of Novel underground formula flooring-safe protective device, comprise outer barrel and protective plate 1, described outer barrel is arranged in melt pit, described protective plate 1 is arranged in described outer barrel, and described outer barrel comprises at the bottom of staving and bucket, and the upper end of described staving is equipped with protective port 2, described protective plate 1 forms sliding pair with described protective port 2, and the external diameter of described protective port 2 is greater than the external diameter of described staving;
Described outer barrel, described protective port 2 and described protective plate 1 are positive n limit shape, n is natural number and n >=3, described protective device also comprises driven pulley 3, clump weight 4 and derrick line 5, described driven pulley 3 is the single groove fixed pulley vertically passed for derrick line 5, and described driven pulley 3 is positioned at the side on every bar limit of described protective port 2; Described driven pulley 3 is separately fixed at the midpoint of the side, a limit of described protective port 2, described clump weight 4 is ring-shaped weight block, described ring-shaped weight block is positive n limit shape, n is natural number and n >=3, one end of described derrick line 5 is fixedly connected with the mid point on a limit of described ring-shaped weight block, the other end of described derrick line 5 is walked around described driven pulley 3 and is fixedly connected with the mid point on a limit of described protective plate 1 afterwards, and a limit of described protective plate 1 and a limit of described ring-shaped weight block are the same side of positive n limit shape.
Further, described staving is formed in one.
Further, staving comprises side plate 21, and described side plate 21 is provided with n, and n is natural number and n >=3, surrounds the accommodation space placing underground type refuse collection equipment, connected between adjacent two side plates by fixture 23 at the bottom of n side plate and described bucket between 20; Described outer barrel is also provided with blow-off pipe 24, and described blow-off pipe 24 is communicated with described accommodation space.
Further, described staving is disposed with ground floor 41 from top to bottom, the second layer 42 and third layer 43, described ground floor 41, the described second layer 42, the accommodation space placing underground type refuse collection equipment is surrounded at the bottom of described third layer 43 and described bucket, the top of described ground floor 41 coordinates with described protective port 2, the bottom of described ground floor 41 is provided with the first ring-shaped step, the top of the described second layer 42 is provided with the first annular boss matched with described first ring-shaped step, the bottom of the described second layer 42 is provided with the second ring-shaped step, the top of described third layer 43 is provided with the second annular boss matched with described second ring-shaped step, the bottom of described third layer 43 is connected with at the bottom of described bucket, described first ring-shaped step, first annular boss, second ring-shaped step and the second annular boss are positive n limit shape, n is natural number and n >=3.
Further again, described first annular boss and described first ring-shaped step, between described second annular boss and described second ring-shaped step, be provided with the rubber layer strengthening described outer barrel water-proofness.
Further again, be all connected by suspension ring 6 between described derrick line 5 with described clump weight 4, between described derrick line 5 with described protective plate 1.
Further again, every bar limit of described clump weight 4 is provided with to prevent clump weight 4 from bumping against the adjustable bolt 7 of protective port, and described adjustable bolt 7 is between described protective port 2 and described clump weight 4.
With feet bottom described protective plate 1, described derrick line 5 is steel rope, and described derrick line 5 is clamped with chuck 8 after walking around suspension ring 6; Described driven pulley 3 is arranged on described protective port 2 by pulley base 9, and described outer barrel adopts concrete material, and described protective port 2 can adopt cast iron and cast steel material.
In the present invention, outer barrel and underground type refuse collection coordinative composition of equipments use, for preventing refuse leachate corrosive ground in equipment and polluted underground water, realize innoxious while to provide to equipment and exempt from extruding protection; Described outer barrel comprises integral type, build-up type and sinking type according to molding mode:
The outer barrel of integral type is one-piece casting, and gapless structure designs, and is applicable to the area of earthing water compared with horn of plenty, avoids melt pit inner product to collect together earthing water and enter outer barrel, cause refuse leachate to leak and pollute; With filling with hanging after outer barrel defects liability period, greatly reduction set-up time and cutting down cost.
Fabricated outer barrel is modular design, Mold Making is adopted to shorten the production cycle, comparatively integral type one-piece casting mode greatly reduces production and processing difficulty and cost, suitably reduce the wall thickness of outer barrel bucket wall under the premise that security is guaranteed, be beneficial to and improve mixed earth degree of uniformity, increase the aesthetics of outer barrel, improve conveying efficiency while loss of weight, be also convenient to repair and replacement; Be designed with built-in blow-off pipe in bucket, by drain pump, the refuse leachate saved bit by bit in bucket extracted out in time, afterwards process is unified to sewage;
At the bottom of fabricated outer barrel comprises barrel, 20, six side plates 21 and some fixtures 23 form, and have sewage draining exit on 20 at the bottom of described bucket, described sewage draining exit is communicated with described blow-off pipe 24, and described blow-off pipe 24 is connected with blowdown actuating device such as drain pump; Retain original structure storing dirty and soil protection, water resource analysis, namely at the bottom of bucket, guarantee the refuse leachate having enough capacity housing apparatus at full load generations; Six blocks of side plates 21 are connected by fixture 23, and whole installation process is carried out at device distribution point scene; Skilled assembly crewman can complete the installation process of an outer barrel at about 20 minutes.
The outer barrel design of sinking type is between integral type outer barrel and build-up type outer barrel, and comparatively integral type outer barrel reduces production and processing difficulty, the basis of build-up type outer barrel enhances water-proofness and reduces installation difficulty;
Sinking type outer barrel divides three layers of design, described ground floor 41, the described second layer 42 and described third layer 43 are ducted body, all connected structure is designed with between every layer, the effect that better discharges water is reached by increasing rubber layer, the design of ground floor 41 increases protective port moulding, reducing build-up type outer barrel because of six blocks of side plates causing of melt pit injustice there is the impact of diff-H, and third layer 43 has larger volume for temporary refuse leachate; The comparatively above integral type of sinking type outer barrel entirety and build-up type heavier, thus can make up the irregular impact of melt pit to a certain extent under heavy effect under gravity.
The upper edge of outer barrel of the present invention provides the bearing force of protective port 2, and the upper edge of outer barrel protective port 2 pairs of outer barrels is play and exempted from impact protector effect conversely; Protective plate 1 does framework with angle steel, and framework is angle steel well cabinet frame, and wedge angle, to bear larger gravity, places Turbogrid plates down in framework, to realize interim pedestrian's object.
Working process of the present invention: protective port 2, clump weight 4 are regular hexagon, single groove fixed pulley arranges one respectively on every bar limit of protective port 2, six altogether; Derrick line 5 arranges six too, ensures that protective plate has enough strokes; Adjustable bolt 7 also arranges six, for regulating the distance between protective port 2 and clump weight 4, thus avoids clump weight 4 to bump against protective port 2; Clump weight 4 adopts annular hexagonal design, more stable, less rocks, also for underground type refuse collection equipment play the guiding role; Specific works process is as follows:
When by load, protective plate 1 declines, the other end of derrick line 5 is driven to decline, and meanwhile, one end that derrick line 5 is connected with configuration block 4 rises, when Novel underground formula refuse collection equipment discharging, security platform rises, and plays a part to prevent operator or other staff from surprisingly crashing into and temporary traffic.
Claims (7)
1. a Novel underground formula flooring-safe protective device, comprise outer barrel and protective plate, described outer barrel is arranged in melt pit, described protective plate is arranged in described outer barrel, described outer barrel comprises at the bottom of staving and bucket, it is characterized in that: the upper end of described staving is equipped with protective port, described protective plate and described protective port form sliding pair, and the external diameter of described protective port is greater than the external diameter of described staving;
Described outer barrel, described protective port and described protective plate are positive n limit shape, n is natural number and n >=3, described protective device also comprises driven pulley, clump weight and derrick line, described driven pulley is the single groove fixed pulley vertically passed for derrick line, and described driven pulley is positioned at the side on every bar limit of described protective port; Described driven pulley is separately fixed at the midpoint of the side, a limit of described protective port, described clump weight is ring-shaped weight block, described ring-shaped weight block is positive n limit shape, n is natural number and n >=3, one end of described derrick line is fixedly connected with the mid point on a limit of described ring-shaped weight block, be fixedly connected with the mid point on a limit of described protective plate after the other end of described derrick line walks around described driven pulley, a limit of described protective plate and a limit of described ring-shaped weight block are the same side of positive n limit shape.
2. a kind of Novel underground formula flooring-safe protective device as claimed in claim 1, is characterized in that: described staving is formed in one.
3. a kind of Novel underground formula flooring-safe protective device as claimed in claim 1, it is characterized in that: described staving comprises side plate, described side plate is provided with n, n is natural number and n >=3, surround the accommodation space placing underground type refuse collection equipment between at the bottom of n side plate and described bucket, connected by fixture between adjacent two side plates; Described outer barrel is also provided with blow-off pipe, and described blow-off pipe is communicated with described accommodation space.
4. a kind of Novel underground formula flooring-safe protective device as claimed in claim 1, it is characterized in that: described staving is disposed with ground floor from top to bottom, the second layer and third layer, described ground floor, the described second layer, the accommodation space placing underground type refuse collection equipment is surrounded at the bottom of described third layer and described bucket, the top of described ground floor coordinates with described protective port, the bottom of described ground floor is provided with the first ring-shaped step, the top of the described second layer is provided with the first annular boss matched with described first ring-shaped step, the bottom of the described second layer is provided with the second ring-shaped step, the top of described third layer is provided with the second annular boss matched with described second ring-shaped step, the bottom of described third layer is connected with at the bottom of described bucket, described first ring-shaped step, first annular boss, second ring-shaped step and the second annular boss are positive n limit shape, n is natural number and n >=3.
5. a kind of Novel underground formula flooring-safe protective device as claimed in claim 4, is characterized in that: described first annular boss and described first ring-shaped step, be provided with to strengthen the rubber layer of described outer barrel water-proofness between described second annular boss and described second ring-shaped step.
6. a kind of Novel underground formula flooring-safe protective device as described in Claims 1-4 any one, be is characterized in that: be all connected by suspension ring between described derrick line with described clump weight, between described derrick line with described protective plate.
7. a kind of Novel underground formula flooring-safe protective device as described in Claims 1-4 any one, it is characterized in that: every bar limit of described clump weight is provided with to prevent clump weight from bumping against the adjustable bolt of protective port, and described adjustable bolt is between described protective port and described clump weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168607.5A CN104787517B (en) | 2015-04-10 | 2015-04-10 | A kind of buried flooring-safe protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168607.5A CN104787517B (en) | 2015-04-10 | 2015-04-10 | A kind of buried flooring-safe protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104787517A true CN104787517A (en) | 2015-07-22 |
| CN104787517B CN104787517B (en) | 2017-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168607.5A Active CN104787517B (en) | 2015-04-10 | 2015-04-10 | A kind of buried flooring-safe protector |
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| Country | Link |
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| CN (1) | CN104787517B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4784802A (en) * | 1984-07-05 | 1988-11-15 | Westinghouse Electric Corp. | Nuclear waste disposal site |
| CN1775637A (en) * | 2004-11-16 | 2006-05-24 | 李晓亮 | Loading type underground refuse station |
| JP2010037106A (en) * | 2008-08-07 | 2010-02-18 | Masateru Matoba | Utilization of water weight for lifting suspended heavy load |
| CN102320439A (en) * | 2011-09-05 | 2012-01-18 | 许楗昀 | Buried type garbage collecting device |
| CN103434774A (en) * | 2013-07-15 | 2013-12-11 | 义乌市一清城市环境卫生管理有限公司 | Buried ground safety protection device |
| CN203889437U (en) * | 2014-05-07 | 2014-10-22 | 海沃机械（中国）有限公司 | Hoisting buried garbage collection system |
| CN204587790U (en) * | 2015-04-10 | 2015-08-26 | 义乌市一清城市环境卫生管理有限公司 | A kind of Novel underground formula flooring-safe protective device |
-
2015
- 2015-04-10 CN CN201510168607.5A patent/CN104787517B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4784802A (en) * | 1984-07-05 | 1988-11-15 | Westinghouse Electric Corp. | Nuclear waste disposal site |
| CN1775637A (en) * | 2004-11-16 | 2006-05-24 | 李晓亮 | Loading type underground refuse station |
| JP2010037106A (en) * | 2008-08-07 | 2010-02-18 | Masateru Matoba | Utilization of water weight for lifting suspended heavy load |
| CN102320439A (en) * | 2011-09-05 | 2012-01-18 | 许楗昀 | Buried type garbage collecting device |
| CN103434774A (en) * | 2013-07-15 | 2013-12-11 | 义乌市一清城市环境卫生管理有限公司 | Buried ground safety protection device |
| CN203889437U (en) * | 2014-05-07 | 2014-10-22 | 海沃机械（中国）有限公司 | Hoisting buried garbage collection system |
| CN204587790U (en) * | 2015-04-10 | 2015-08-26 | 义乌市一清城市环境卫生管理有限公司 | A kind of Novel underground formula flooring-safe protective device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104787517B (en) | 2017-07-04 |
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Address after: 322001 No. 8316, No. 8318, building E21, Xinke Road, Zhejiang Economic Development Zone, Yiwu Applicant after: Zhejiang Yiqing Environmental Sanitation Management Co.,Ltd. Address before: 322001, No. 3, No. 42, East fan neighborhood committee, Yan Jiang Street, Jinhua, Zhejiang, Yiwu Applicant before: YIWU YIQING URBAN SANITATION MANAGEMENT Co.,Ltd. |
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Effective date of registration: 20170605 Address after: 3 building, 2 building, No. 38, Zhenxing East Road, Qujiang District, Zhejiang, Quzhou Applicant after: QUZHOU YIQING ENVIRONMENTAL SANITATION MANAGEMENT Co.,Ltd. Address before: Room 8316, No. 8318, building E21, Xinke Road, Yan Jiang Street Economic Development Zone, Yiwu Applicant before: Zhejiang Yiqing Environmental Sanitation Management Co.,Ltd. |
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Address after: 3 building, 2 building, No. 38, Zhenxing East Road, Qujiang District, Zhejiang, Quzhou Patentee after: Yiqing environmental management services Co.,Ltd. Address before: 3 building, 2 building, No. 38, Zhenxing East Road, Qujiang District, Zhejiang, Quzhou Patentee before: QUZHOU YIQING ENVIRONMENTAL SANITATION MANAGEMENT Co.,Ltd. |
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Address after: 324000 3rd floor, building 2, 38 Zhenxing East Road, Qujiang District, Quzhou City, Zhejiang Province Patentee after: Yiqing environmental management (Zhejiang) Co.,Ltd. Address before: 324022 3rd floor, building 2, 38 Zhenxing East Road, Qujiang District, Quzhou City, Zhejiang Province Patentee before: Yiqing environmental management services Co.,Ltd. |
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