US671268A

US671268A - Discharging device for endless conveyers.

Info

Publication number: US671268A
Application number: US71578599A
Authority: US
Inventors: James M Dodge
Original assignee: LINK BELT ENGINEERING Co
Current assignee: LINK BELT ENGINEERING Co
Priority date: 1899-05-06
Filing date: 1899-05-06
Publication date: 1901-04-02
Anticipated expiration: 1918-04-02

Description

No. 67|,268. Patented Apr. 2, I9DI.

' J. M. DODGE.

'DISCHARGING DEVICE FOR ENDLESS CONVEYEBS.

(Application fllei lily 6, 1899.)

4 Sheets-Sheet I.

(No Model.)

/ ERS co. Puoroumo. wumuc'rou, u. c.

Patented Apr. 2, I901.

No. 67l,268.

J. M. DODGE. DISCHARGING DEVICE FOR ENDLESS GUNVEYERS.

(Application filed May 6. 1899 4 She s-Sheet 2.

(No Model.)

Em Mp0 No. 67l,268. Patented Apr. 2, l90l.

' J. m. DODGE.

DISCHARGING DEVICE FOR ENDLESS CONVEY'ERS.

(Application filed May 6, 1899.)

(No Model.) 4 Sheats-8heet 3.

JEncasZZ-Dfge,

f/QW/ JAMES M. DDeE,'oE PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE LINK BELT ENGINEERING COMPANY, OF sAME PLAoE.

DISCHARGING DEVICE FOR ENDLESS CONVEYERS.

SPECIFICATION forming part of Letters Patent No. 671,268, dated April 2, 1901.

Application filed May 6, 1899. berial No. 715,785. (No model.)

To aLZ whom it may concern."

Be it known that I, JAMES M. DODGE,a citizen of the United States, residing in Philadelphia,Pennsylvania, have invented certain Improvements in Discharging Devices for Endless Oonveyers, of which the following is aspecification.

The main object of my invention is to provide means for automatically discharging IO bucket elevators at any point on a horizontal run of a conveyer; and a further object of the invention is to utilizethe conveyerasa means for traversing the discharging mechanism in either direction,asfully described hereinafter, reference being had to the accompanying drawings, in which- Figure l is a perspective view illustrating my improved discharge apparatus for endless-chain bucket conveyers. Fig. 2 is a side view of the same. 'Fig. 3 is an enlarged sectional view on the line 3 3, Fig. 2. Fig. 4 is a sectional view on the line'et 4., Fig. 3; and Fig. 5 is a plan view of a portion of the machine.

This invention is especially adapted for discharging the buckets of an endless conveyer and is usually mounted on tracks on which the carrying-wheels of the conveyer travel, so that by adjusting the discharging device the buckets of the conveyer can discharge materialinto any bin desired. The conveyer passes around the discharge apparatus in such a manner that by shifting suitable mechanism the apparatus can be rigidly attached to the conveyer, so that the conveyer will move it bodily along the rails in the direction in which the conveyor is moving, or the mechanism can be so shifted that areverse motion can be given to the discharge apparatus, so that it will move in a direction the reverse to the movement of the conveyer, or the mechanism can be released from the conveyor and locked in a fixed position, so that the conveyer will simply travel over the discharge apparatus.

Ais an endless-chain bucket elevator. The particular bucket elevator herein shown is that illustrated and claimed in the patent granted to me on the 4th day of August, 1896,

It will be understood that any suitable endless-chain conveyer having buckets may be used in connection with the apparatus which I will now proceed to describe, certain alterations in the details of construction of such apparatus being necessary to adapt the bucket conveyer to the apparatus.

The bucket elevator A consists of the links a a, at each side and traction-wheels a, adapted to rails B B.

a represents the buckets, which are so formed as to carry material on the lower and upper runs and on the vertical carrying-run and are shaped so that material will be discharged when the buckets are tilted to a certain degree on the upper run. The details of this bucket are fully described in the patent mentioned above.

Referring now to the discharging mechanism, D is a frame, made in the present instance in the form shown in Fig. 2, having bearings for the fixed axle E, on which is mounted the sleeve E carrying the main discharging sprocket-wheels E E. As shown in Fig. 3, these wheels are spaced so as to engage with the chains a a of the conveyer. At each side of the wheels E E are wheels F and G, mounted on sleeves adapted, respectively, to the axles F and G, secured to the frame D. The wheels F and G are simply guide-wheels for the purpose of holding the elevator-chains in proper contact with the Wheels E. The elevator-chains pass from the track B under the wheels F, over the wheels E',then under the wheels G,and again assume the position on the track, and when the buckets of the conveyer pass over the wheels E to the wheels G they will automatically discharge their contents.

Adapted to bearings on the -frame D are axles G O, on which are the traction-wheels c a, V-shaped in the present instance and adapted to the tracks B B.

The sleeve E on which the wheels E E are secured, is loose on its axle E, and on one of the wheels E is a grooved ring 6, to which is adapted a V-shaped annular rib h on a sprocket-wheel H, having teeth h.

K is a segment loose on the shaft E. The hub of this segment has projections 70, adapted secured to the frame of the machine.

The segment K has a segmental rack K at its lower end, which engages with a pinion l on a hand-shaft L, carrying at its opposite end cams 'm and n, Figs. 4: and 5.

The axles O O are connected together by a drive-chain c, which passes around sprocket- Wheels 0 c on the axles. One of the axles O is geared to a drivenshaft I by gear-Wheels c and t", and on the shaft I is a sprocket-wheel t', around which passes a chain 1 from the sprocket-Wheel H on the axle E.

On the shaft I is a ratchet wheel 11 and carried by a shaft M is a pawl M. One arm of this pawl engages the teeth of the ratchetwheel '6 and the other arm is acted upon by the cam m on the shaft L. On the shaft M is an idler-wheel m, which guides the chain 1, as shown in Fig. 3.

Pivoted on one of the axles O is a lever N, Fig. 4, and this lever has a shoe 11, adapted to be forced into the V-shaped annular groove 6 in one of the wheels E by the cam n on the hand-shaft L.

When the parts are in the position shown in the drawings, the frame is stationary, the axles O O being locked by the pawl M engaging the ratchet-wheel't on the shaft I, which is geared to the axles, and the Wheels E E are free to turn, so that as the conveyer passes around the Wheels the buckets will be discharged at a given point.

When it is wished to move the discharge apparatus in a direction the reverse to the movement'of the conveyer,the sprocket-wheel H is forced into frictional contact with the ring 6 on the Wheel E by turning the handwheel L on the shaft/L to the left. The shaft L is geared to the segment K, and as it is turned it will turn the segment on the shaft E. The projections on the segment will strike the projections on the ring J, and the segment and the wheel [-1 will be forced toward the ring 6 on the wheel E, and as this sprocket friction-wheel H is geared to the sprocket-wheel 'i by the chain 1 the shaft I will be turned and will turn the axles O O, and the discharge apparatus will be traversed in a direction opposite to the direction of travel of the conveyer.

If it is wished to traverse the discharge apparatus in a direction the same as the movement of the conveyer, then the Wheels E are locked to the conveyer by turning the hand-wheel L in a direction opposite to that described above, so as to free the friction sprocket-wheel H and to force the shoe 'n of the lever N by the cam it into the groove e of the wheel E. At the same time the cam m will act to raise the pawl M out of contact with the ratchet-wheel t and then allow the axles tions, and the discharge apparatus will then remain stationary untilit is again desired to shift it in either direction.

I claim as my invention- 1. The combination in an adjustable discharging device for bucket conveyers, of an endless bucket conveyer, a frame, a wheel mounted on the frame over which the conveyer asses to discharge its load, and means for locking the said frame to the conveyer, substantially as described.

2. The combination of an endlesschain bucket conveyer, of a frame mounted on rails, a wheel over which the conveyer passes to discharge its load, driving mechanism for the frame, and means for throwing the driving mechanism in gear with the wheels over which the con veyer passes whereby the frame can be moved in a direction reverse to the travel of the conveyer, substantially as described.

3. The combination of an endless bucket conveyer, a frame adapted to travel upon rails, wheels carried by said frame over which the conveyer passes to discharge its load, means for locking one of the wheels to the frame so that the frame will travel with the con veyer,and driving mechanism, with means for throwing the driving mechanism into gear with the wheels so as to traverse the frame in a direction reverse to the travel of the conveyer, and mechanism for either locking the frame to the wheels or throwing it in gear with the driving mechanism, substantially as described.

4:. The combination in an endless bucket conveyer, of a traveling frame, wheels on said frame over which the bucket conveyer passes to discharge its lead, driving mechanism so geared to one of the wheels as to move the frame in a direction opposite to the direction of travel of the conveyer, brake mechanism for locking one of the wheels to the frame, and mechanism for locking the frame in a fixed position, with a device for throwing in either one of the three mechanisms, so that the frame can either remain stationary or travel in the direction of the travel of the conveyer or in a direction reverse to the travel of the conveyer, substantially as described.

5. The combination in an endless-chain bucket conveyer, of a frame mounted on wheels and adapted to the conveyer-tracks, sprocket-wheels around which the bucket conveyer passes, guide-wheels at each end of the frame for guiding the conveyer, a friction-wheel on the axle, with means for throwing said friction-Wheel into contact with one of the sprocket-wheels, brake mechanism adapted to engage one of the sprocket-wheels, driving mechanism connected to the frictionwheel, an operating-shaft, a pinion on said shaft, a segment engaging with said pinion and. hung from the axle of the sprocketwheels, lugs on the segmentadapted to engage with lugs on the frame so that on turning the operating-shaft the friction-wheel will be forced in contact with the sprocket-wheel, substantially as described.

6. The combination of the carriage, axles, traction-wheels on said axles, a central shaft, wheels thereon, an endless-chain conveyer adapted to the wheels, guides, a hand-shaft,

a pinion on said hand-shaft, a pivoted segment meshing with the pinion, a sprocketwheel adapted to be thrown into frictional contact with one of the wheels around which the conveyer passes, a projection on the segment engaging with a projection on the frame, and means for connecting said sprocketwheel with the traction-wheel axles, substantially as described.

7. The combination of the frame, axles, traction-wheels thereon, a driven shaft geared to one of said axles, a sprocket-wheel on said driven shaft, a shaft having chain-wheels around which the conveyer passes, a sprocketwheel adapted to be thrown into and out of frictional contact with one of said chainwheels, a chain passing from said sprocketwheel to the sprocket-wheel on the driven shaft, a ratchet-wheel on the said driven shaft, a pawl engaging said ratchet-wheel, mechanism for throwing said pawl out of gear, andmechanism for throwing the sprocketwheel in frictional contact with the chainwheel for the conveyer, substantially as described.

8. The combination of the frame, axles thereon, traction -wheels mounted on said axles, a driven shaft geared to one of the axles, a sprocket-wheel on said shaft, an axle, chain-wheels carried thereby, a sprocketwheel adapt-ed to be thrown into frictional contact with one of said chain-wheels, a chain adapted to the sprocket-wheels, a ratchetwheel on the driven shaft, a pawl adapted to engage with the ratchet-wheel, a lever adapted to be thrown into frictional contact with one of the chain-wheels around which the conveyer passes, a hand shaft, two cams thereon one cam adapted to act upon the pawl and the other upon the brake-lever, asegment geared to the hand-wheel and adapted to force the sprocket-wheel into frictional contact with the chain-wheel, substantially as described.

9. The combination of the frame having three axles E, F and G, guide-wheels mounted on the axles F and G, chain-wheels mounted on the axle E, a conveyer Ahaving buckets,- the chains of the conveyer adapted to the said chain-wheels, traction-wheels, axles on which the wheels are mounted, said axles being adapted to hearings on the frame, one of the said chain-wheels having an annular groove, abrake-lever having a shoe adapted to said groove, a friction-ring on the other chainwheel, a sprocket-wheel, having a frictional ring adapted to the ring on the chain-wheel, a segment pivoted to the axle E, a projection on the said segment engaging with the projection on the frame, a hand-shaft L having a pinion meshing withthe segment, a driven shaft I geared to one of the axles, a sprocketwheel on said shaft, a chain passing around said sprocket-wheel and around the sprocketwheel having the friction-ring, a ratchetwheel also on the driven shaft 1, a pawl adapted to engage with the ratchet-wheel, and two cams on the hand-shaft L, one cam acting upon the pawl and the other cam acting upon the brake-lever, substantially as described.

10. The combination of the frame, axles E, F and G mounted on said frame, wheels on said axles around which the conveyer passes, a friction sprocket-wheel H, a driven shaft having a sprocket-wheel and a chain adapted to drive said shaft from the sprocket-wheel H, a segment pivoted to the axle E, a handshaft having a pinion engaging with the segment, a hand-wheel on said shaft on the outside of the frame, traction-wheels, axles O therefor, mechanism controlled by the handshaft for locking the discharge apparatus to the conveyer, and means for gearing the discharge apparatus to the conveyer in such a manner that it will move in a reverse direction to the conveyer, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JAMES M. DODGE.

\Vitnesses:

WILL. A. BARR, J 0s. H. KLEIN.