USRE4407E - Improvement in machines for channeling rock - Google Patents
Improvement in machines for channeling rock Download PDFInfo
- Publication number
- USRE4407E USRE4407E US RE4407 E USRE4407 E US RE4407E
- Authority
- US
- United States
- Prior art keywords
- rock
- chisels
- channeling
- machine
- machines
- Prior art date
Links
- 239000011435 rock Substances 0.000 title description 32
- 230000005465 channeling Effects 0.000 title description 14
- 102100000672 SMPX Human genes 0.000 description 8
- 108060007673 SMPX Proteins 0.000 description 8
- 230000005484 gravity Effects 0.000 description 6
- 230000001066 destructive Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 206010022114 Injury Diseases 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
Images
Definitions
- FIG. 1 represents an elevation of one of the sides of the machine, the opposite side being substantially similar ,to that shown in this figure.
- Fig. 2 represents an elevation of one of the ends of the machine.
- Fig. 3 represents asection through the feeding mechanism.
- Fig. 4 represents the manner of clamping the ways or track, upon which the machine moves, to the stone or rock to be wrought upon.
- Fig. represents a section through one of the friction-clutches that connect with the feed mechanism.
- the first part of my said invention consists in combining the following mechanisms, viz: The stock, with its chisel or chisels, adapted to slide in suitable guides; a crank on a rotating shaft, or equivalent device, for imparting a positive reciprocatin g motion to a connecting-rod or equivalent device; a spring, interposedbetween the chiselstock and'the connecting-rod; and a feeding mechanism, all mounted in a frame adapted to move on ways, by means of which combination, as the machine is moved along the line of the intended channel, the chisels to make the successive cuts are selfeadapting to the surface of the rock in which they are requiredto make the successive cuts by reason of the interposed spring, while, at the same time, the reciprocating motion is imparted to them by" the positive motion of a revolving crankor equivalent device, by reason of whichthe chisels can be operated at any desired velocity irre spe
- a represents a suitable frame mounted on the axles b b of flanged wheels 0 c, fitted to run on a track, d.
- a In the upper part of the frame a are mounted two horizontal shafts, ee, one near each'end,
- crank-wheels ff
- wheels are provided each with a crank-pin, g, the throw of which can be varied, if desired, by being shifted to holes in the crank-wheel at different distances from the axis of rotation.
- a connecting-rod h
- a strong strap, j extends over the outside of the bowrspringand around under the ends thereof, and then inward, the two ends being firmly secured to'a block of metal, 1:, adapted to slide up and down in vertical guides.
- the gangs of chisels l l are secured in the block k, and, if desired, may be further secured by a clamp, m, at or near their upper ends.
- Two such gangs of cutters are represented on each side of the frame, one near each end.
- the two shafts e 0 may receive motion from one main driving-shaft, n, by belts 0 and p; or they may receive motion in any other suitable manner, and, if desired, from "a steam-engine mounted in the same frame, the jars being so much reduced by my invention as to admit of mounting a steamengine and boiler on the same frame with the rest of the machinery. To the lower or under part of.
- a second shaft, 11 is placed at the under side of the machine and parallel with the one B, and has upon it projections c, which take into grooves 01 made in a sleeve or semi-clutch, e, that moves longitudinally on a spline on each one of the shafts or axles b by means of the lever f on one end of said shaft.
- the gears a a are loose on the axles b, and their hubs are dished or hollowed out, as seen in Fig. 5, and the end of the semi-clutch 6 turned off to fit said dished or hollowed-out portion.
- the gears, axles, wheels, and the entire machine will move regularly on the way or track; but if the semi-clutch e be moved away from the recesses in the gears by turning the shaft 1/, the machine will remain stationary. Thus the machine may be fed along in either direction or stopped, while the cutters or chisels continue to work.
- the track 01 is held down firmly to the rock or stone that is to be worked, and if found necessary the machine may be still further held to the work by rods j j, extending upward from the track, and holding, by springs k and nuts I, to a horizontal bar, m, that bears upon friction-rolls a on the machine, and thus holds it to the work without undue friction to impede its motion back and forth on the track.
- the circular openings w in the ends of the frame'are to show how a steam-boiler with an engine attached may be supported and carried along with the machine so as to be very compact and very efficient.
- the arm T is vibrated on the 1.
- the sliding stock with its chisel or chisels, the crank on a rotating shaft or its equivalent, the connecting-rod or equivalent device, a spring interposed between the chisel-stock and the conn ecting-rod, and the feeding mechanism or equivalent, all mounted in a frame adapted to move on ways, substantially as and for the purpose specified.
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