CN215923808U - Unloading machine - Google Patents
Unloading machine Download PDFInfo
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- CN215923808U CN215923808U CN202122371834.1U CN202122371834U CN215923808U CN 215923808 U CN215923808 U CN 215923808U CN 202122371834 U CN202122371834 U CN 202122371834U CN 215923808 U CN215923808 U CN 215923808U
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- chain
- screw rod
- fixed
- lifting frame
- wheel
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Abstract
A car unloader relates to a device for unloading coal from a train. The chain wheel is mainly designed for solving the problem that the chain of the existing car unloader is easy to fall off from the chain wheel. The device comprises a door-shaped support, wherein walking wheels are arranged at the bottom of a supporting leg, and a belt conveyor is fixed on a cross beam; the gantry support is provided with a slideway, pulleys arranged in the slideway are arranged on a lifting frame, the other end of a steel rope on a winding drum of a lifting motor is fixed on the lifting frame, a driving shaft is arranged on the lifting frame, slide blocks at two ends of a driven shaft are provided with through holes, the lower end of a screw rod in the through hole extends out of the lower end of the lifting frame, the upper end of the screw rod extends out of the top of the slide block, a screw rod in the through hole is screwed with an adjusting nut, and the screw rod is provided with a spring; a driving chain wheel is arranged on the driving shaft, a motor is fixed on the lifting frame, a driven wheel is arranged on the driven shaft, a roller chain is connected between the driving chain wheel and the driven wheel, and a convex edge is arranged in the middle of the wheel surface of the driven wheel; two outer chain plates of the roller chain are respectively sleeved on the driven wheels on the left side and the right side of the convex edge; the chain bucket is fixed on the roller chain. The advantage is that the chain is not easy to fall off.
Description
The technical field is as follows:
the utility model relates to a device for unloading coal from a train.
Background art:
the motor of the existing car unloader works, drives the chain bucket to move through the chain, conveys coal on a train to the belt conveyor, and then sends the coal out of the belt conveyor. The chain has the disadvantages that the chain is arranged on the upper chain wheel and the lower chain wheel, the chain link length has errors, and the larger the chain length is, the larger the error is, the driving chain wheel and the driven chain wheel cannot move synchronously, the problems of chain link accumulation and chain falling from the chain wheels occur, and the production is delayed. In addition, after the chain loosens after working for a certain time, the chain needs to be replaced by a new chain, which wastes time and labor.
The utility model content is as follows:
the technical problem to be solved by the utility model is to ensure the smooth production of the unloader by the chain which is not easy to fall off and does not need to be replaced by a new chain after the chain becomes loose.
The above object is achieved by: the walking mechanism comprises a portal support, wherein the portal support comprises two support legs and top beams fixed at the tops of the two support legs, walking wheels are arranged at the bottoms of the two support legs, a walking motor is fixed on the support legs of the portal support, a chain wheel on an output shaft of the walking motor is connected with a transmission chain wheel on a shaft of the walking wheels through a chain, a cross beam is fixed in the middle of the portal support, and a belt conveyor is fixed on the cross beam;
the two landing legs of the portal bracket are provided with vertical slideways, pulleys are arranged in the slideways, the pulleys are arranged on a lifting frame through a shaft, a lifting motor is fixed on a top beam, a steel rope is fixed on a winding drum of an output shaft of the lifting motor, the other end of the steel rope is fixed on the lifting frame, the lifting motor can drive the lifting frame to move up and down on the landing legs of the portal bracket, two driving shafts are respectively arranged at the top of the lifting frame through bearings, a driven shaft is arranged below each driving shaft, sliding blocks are fixed at two ends of each driven shaft, each sliding block is provided with a through hole, screw rod through holes are arranged on the lifting frame above and below the through holes, the diameter of each through hole is larger than that of each screw rod through hole, a screw rod is arranged in each through hole of each sliding block, the screw rod is in sliding contact with the sliding blocks, and the lower ends of the screw rods extend out from the screw rods of the sliding blocks and then extend out from the lower ends of the lifting frame, a nut is screwed on the screw rod positioned below the lifting frame, the upper end of the screw rod extends out of the screw rod through hole at the top of the sliding block, an adjusting nut is screwed on the screw rod in the through hole, a spring is sleeved on the screw rod positioned below the adjusting nut, namely, the upper end of the spring is propped against the adjusting nut, and the lower end of the spring is propped against the sliding block at the bottom of the through hole; the slider falls on adjusting nut, when needing to adjust the chain, twists adjusting nut and can drive the slider up-and-down motion, and the spring then plays the cushioning effect at the working process.
Two driving sprockets are mounted on each driving shaft, transmission sprockets are mounted on the two driving shafts, the transmission sprockets on the two driving shafts are respectively connected with sprockets on output shafts of two motors through chains, the two motors are fixed on a lifting frame, two driven wheels are mounted on each driven shaft, and each driven wheel is located right below each driving sprocket;
a roller chain is connected between each corresponding driving chain wheel and each corresponding driven wheel, the wheel surface (the surface in contact with the roller chain) of each driven wheel is a smooth surface, and the middle part of the wheel surface is provided with a circle of annular convex edges protruding outwards; two outer chain plates of the roller chain are respectively sleeved on the driven wheels on the left side and the right side of the annular convex edge; the chain bucket is fixed on the roller chain.
The utility model has the advantages that: the chain is not easy to fall off, the chain is easy to adjust after becoming loose, a new chain does not need to be replaced, and the smooth production is ensured.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
The specific implementation mode is as follows:
the utility model is further illustrated with reference to fig. 1-3;
the walking mechanism comprises a portal support, wherein the portal support comprises two support legs 1 and a top beam 2 fixed at the tops of the two support legs, walking wheels 3 are arranged at the bottoms of the two support legs, a walking motor 4 is fixed on the support legs of the portal support, a chain wheel on an output shaft of the walking motor is connected with a transmission chain wheel on a shaft of the walking wheels through a chain, a cross beam 5 is fixed in the middle of the portal support, and a belt conveyor 6 is fixed on the cross beam;
the two supporting legs of the portal bracket are provided with vertical slideways, pulleys 8 are arranged in the slideways, the pulleys are arranged on a lifting frame 9 through shafts, a lifting motor 7 is fixed on a top beam, a steel rope 10 is fixed on a winding drum of an output shaft of the lifting motor, the other end of the steel rope is fixed on the lifting frame, the lifting motor can drive the lifting frame to move up and down on the supporting legs of the portal bracket, two driving shafts 11 are respectively arranged at the top of the lifting frame through bearings, a driven shaft 12 is arranged below each driving shaft, two ends of each driven shaft are respectively fixed with a sliding block 13, each sliding block is provided with a through hole, the lifting frame above and below the through holes is provided with a screw rod through hole, the diameter of the through hole is larger than that of the screw rod through hole, a screw rod 14 is arranged in each through hole of the sliding block and is in sliding contact with the sliding block, and the lower end of the screw rod extends out from the lower end of the lifting frame after extending out from the screw rod through hole of the sliding block, a nut 15 is screwed on the screw rod positioned below the lifting frame, the upper end of the screw rod extends out of a screw rod through hole at the top of the sliding block, an adjusting nut 16 is screwed on the screw rod in the through hole, a spring 17 is sleeved on the screw rod positioned below the adjusting nut, namely, the upper end of the spring is propped against the adjusting nut, and the lower end of the spring is propped against the sliding block at the bottom of the through hole; the slider falls on adjusting nut, when needing to adjust the chain, twists adjusting nut and can drive the slider up-and-down motion, and the spring then plays the cushioning effect at the working process.
Two driving sprockets 18 are mounted on each driving shaft, transmission sprockets are mounted on the two driving shafts, the transmission sprockets on the two driving shafts are respectively connected with sprockets on output shafts of two motors 19 through chains, the two motors are fixed on a lifting frame, two driven wheels 20 are mounted on each driven shaft, and each driven wheel is respectively located right below each driving sprocket;
a roller chain 21 is connected between each corresponding driving sprocket and each corresponding driven wheel, the wheel surface (the surface contacted with the roller chain) of each driven wheel is a smooth surface, and the middle part of the wheel surface is provided with a circle of annular convex edges 22 protruding outwards; two outer chain plates of the roller chain are respectively sleeved on the driven wheels on the left side and the right side of the annular convex edge; the bucket 23 is fixed to the roller chain.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (1)
1. A car unloader comprises a portal support, wherein the portal support comprises two support legs (1) and a top beam (2) fixed at the tops of the two support legs, walking wheels (3) are arranged at the bottoms of the two support legs, a walking motor (4) is fixed on the support legs of the portal support, a chain wheel on an output shaft of the walking motor is connected with a transmission chain wheel on a shaft of the walking wheels through a chain, a cross beam (5) is fixed in the middle of the portal support, and a belt conveyor (6) is fixed on the cross beam; the method is characterized in that:
vertical slideways are arranged on two supporting legs of the portal support, pulleys (8) are arranged in the slideways, the pulleys are arranged on a lifting frame (9) through shafts, a lifting motor (7) is fixed on a top beam, steel ropes (10) are fixed on a winding drum of an output shaft of the lifting motor, the other ends of the steel ropes are fixed on the lifting frame, two driving shafts (11) are respectively arranged at the top of the lifting frame through bearings, a driven shaft (12) is arranged below each driving shaft, sliding blocks (13) are fixed at two ends of each driven shaft, through holes are formed in each sliding block, screw rod through holes are formed in the lifting frame above and below the through holes, the diameter of each through hole is larger than that of each screw rod through hole, a screw rod (14) is arranged in each through hole of each sliding block, the screw rod is in sliding contact with the sliding blocks, the lower ends of the screw rods extend out of the screw rod through holes of the sliding blocks and then extend out of the lower ends of the lifting frame, a nut (15) is screwed on the screw rod positioned below the lifting frame, the upper end of the screw rod extends out of the screw rod through hole at the top of the sliding block, an adjusting nut (16) is screwed on the screw rod in the through hole, a spring (17) is sleeved on the screw rod positioned below the adjusting nut, namely, the upper end of the spring is propped against the adjusting nut, and the lower end of the spring is propped against the sliding block at the bottom of the through hole; the sliding block falls on the adjusting nut;
two driving sprockets (18) are mounted on each driving shaft, transmission sprockets are fixed on the two driving shafts, the transmission sprockets on the two driving shafts are respectively connected with sprockets on output shafts of two motors (19) through chains, the two motors are fixed on a lifting frame, two driven wheels (20) are mounted on each driven shaft, and each driven wheel is respectively located right below each driving sprocket;
a roller chain (21) is connected between each corresponding driving sprocket and each corresponding driven wheel, the wheel surface of each driven wheel is a smooth surface, and the middle part of the wheel surface is provided with a circle of annular convex edges (22) protruding outwards; two outer chain plates of the roller chain are respectively sleeved on the driven wheels on the left side and the right side of the annular convex edge; the chain bucket (23) is fixed on the roller chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122371834.1U CN215923808U (en) | 2021-09-29 | 2021-09-29 | Unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122371834.1U CN215923808U (en) | 2021-09-29 | 2021-09-29 | Unloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215923808U true CN215923808U (en) | 2022-03-01 |
Family
ID=80415276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122371834.1U Active CN215923808U (en) | 2021-09-29 | 2021-09-29 | Unloading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215923808U (en) |
-
2021
- 2021-09-29 CN CN202122371834.1U patent/CN215923808U/en active Active
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