CN113305552A - Roller replacing device for coal mine belt conveyor - Google Patents
Roller replacing device for coal mine belt conveyor Download PDFInfo
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- CN113305552A CN113305552A CN202110657427.9A CN202110657427A CN113305552A CN 113305552 A CN113305552 A CN 113305552A CN 202110657427 A CN202110657427 A CN 202110657427A CN 113305552 A CN113305552 A CN 113305552A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The invention discloses a roller replacing device for a coal mine belt conveyor, which comprises a bottom plate, wherein a lifting mechanism is arranged above the bottom plate, fixing mechanisms are arranged on two sides below the bottom plate, and the bottom plate, the lifting mechanism and the fixing mechanisms are connected into a whole. According to the invention, the belt is jacked up through the lifting mechanism, the whole device is fixed on the conveyor through the fixing mechanism, a plurality of tools are not needed to be matched, the carrier roller can be replaced by only one person, time and labor are saved, the working efficiency is improved, and the lifting mechanism and the fixing mechanism are both arranged on the supporting plate, so that the belt is not easy to lose, and the next use is facilitated.
Description
Technical Field
The invention belongs to the technical field of belt conveying equipment, and particularly relates to a carrier roller replacing device for a coal mine belt conveyor.
Background
The belt conveyer is one of the main production facilities of coal mine, especially large-scale modernized coal mine, from the working face to the loading station, the transportation of the coal is almost all conveyed by various conveyers, its simple in construction, the transport efficiency is high, get the extensive application in transportation units such as industrial and mining enterprises and stations, harbours, etc. The belt conveyer is a continuous conveyer using flexible conveying as material bearing and drawing member, the conveyer belt rotates around driving drum and direction-changing drum, and the upper and lower branches between two drums use several carrier rollers as support. When the belt conveyor is used, materials are placed on the conveying belt, the conveying belt and the materials are dragged to run by utilizing the friction force between the driving roller and the conveying belt, the belt conveyor is suitable for conveying bulk materials and finished products in horizontal and inclined directions, the belt conveyor can also be used for line production of certain process operation, the conveying capacity is high, the power consumption is low, the application is wide, the carrier rollers are important parts of the belt conveyor, the types are multiple, the quantity is large, the carrier rollers are used for supporting the weight of the materials of the conveying belt, the quality of the carrier rollers is particularly important, the running of the carrier rollers is necessary and reliable, and the carrier rollers play a key role in the running state, the conveying effect and the service life of the conveying belt of the belt conveyor. In the use of belt conveyor, the bearing roller is the wearing and tearing part, needs regularly to change, when the damage takes place, just needs to change in time in order to maintain belt conveyor's operation.
At present, it does not have specialized tool to change band conveyer's bearing roller, with the help of the jack usually when carrying out the bearing roller and changing, chain block, the crowbar, multiple instrument combinations such as supporting beam are in the same place, then realize the separation of conveyer belt and bearing roller through artifical pulling, need consume a large amount of manpowers when adopting this kind of artifical pulling mode to carry out the bearing roller and changing, and intensity of labour is great, there is the potential safety hazard in each instrument when the combined use, and need many people to cooperate can accomplish in addition, work efficiency is low, the simultaneous tool loses easily, be unfavorable for next use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a carrier roller replacing device for a coal mine belt conveyor.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a colliery is bearing roller change device for band conveyer, includes the bottom plate, elevating system is installed to the top of bottom plate, through elevating system with belt jack-up to carry out the change of bearing roller, fixed establishment is installed to bottom plate below both sides, through fixed establishment with the fixed conveyer frame of whole device on, the bottom plate links into a whole with elevating system, fixed establishment, is difficult to lose, is favorable to next use.
Preferably, the lifting mechanism comprises a first supporting plate, a first movable plate, a worm, a first transmission rod, a second supporting plate, a second movable plate and a top plate, the first supporting plate is arranged on one side of the bottom plate, a first through groove is formed in the first supporting plate, one side of the first movable plate is slidably arranged in the first through groove, a first rack is arranged above one end of the first movable plate, a second rack is arranged below the other end of the first movable plate, two shaft seats are arranged above the bottom plate, the worm is rotatably arranged between the two shaft seats, the first transmission rod is arranged on one of the shaft seats and connected with the worm, a worm groove is formed in one side of the first movable plate close to the worm, one side of the worm is positioned in the worm groove, a first gear is meshed below the first rack, a second gear is meshed above the second rack, the first gear and the second gear are both rotatably installed on the first supporting plate, the second supporting plate is positioned above the first supporting plate, the first supporting plate is internally provided with a second through groove, the second movable plate is slidably installed in the second through groove, the top plate is installed above the second supporting plate, a fourth rack is installed above one end of the second movable plate, a third rack is installed below the other end of the second movable plate, a third gear is meshed below the fourth rack, a fourth gear is meshed above the third rack, the third gear and the fourth gear are both rotatably installed on the second supporting plate, the first gear and the second gear are both hinged with a first connecting rod, the third gear and the fourth gear are both hinged with a second connecting rod, the end part of the first connecting rod is hinged with the end part of the second connecting rod, and the worm is driven to rotate by rotating the first connecting rod, the worm moves in the worm groove of the first movable plate and drives the first movable plate to move along the first supporting plate, meanwhile, the first rack is meshed with the first gear and drives the first gear to rotate, the second rack is meshed with the second gear and drives the second gear to rotate, the first gear and the first connecting rod on the second gear swing along with the first rack, and the second connecting rod and the first connecting rod are hinged to the first connecting rod to swing under the action of the first connecting rod, so that the third gear and the fourth gear are driven to rotate and are meshed with the fourth rack and the third rack on the second movable plate, the second movable plate is driven to move along the second supporting plate, and the purpose of up-and-down lifting of the top plate is achieved.
Preferably, a first rocking handle is installed to the one end that worm was kept away from to first transfer line, is convenient for wave first transfer line through first rocking handle, has improved the efficiency of work.
Preferably, fixed establishment includes frame, extension spring, cam, axis of rotation, adjustable shelf, rack-mount is in the bottom of bottom plate, the axis of rotation is installed in the frame, the cam is installed in the axis of rotation, the cam is platykurtic and narrow down, the quantity of adjustable shelf is two and middle part symmetry articulates in the frame, the extension spring is installed on two adjustable shelves, the one end of adjustable shelf is rotated and is installed the gyro wheel, gyro wheel and cam butt, the fixture block is installed to the other end of adjustable shelf, places this device on the conveyer frame after, makes the cam rotate through rotating the axis of rotation, drives the gyro wheel rotation after the cam rotates and makes the adjustable shelf rotate around the frame and drive the fixture block and press from both sides the conveyer frame tightly, and the cam can't rotate this moment, realizes fixing whole device, guarantees the security of during operation.
Preferably, the top fixed mounting of cam has the stand, the circular slot has been seted up to the circumferencial direction of stand, protruding strip is installed to the both sides of axis of rotation, all set up on stand and the cam with protruding strip matched with recess, the lead screw is installed to the screw thread in the frame, the carousel is installed to the tip of lead screw, the carousel is located the circular slot inside, drives the carousel up-and-down motion through rotating the lead screw, and carousel motion drives stand and cam along the epaxial protruding strip up-and-down motion of axis of rotation to the realization is fixed not unidimensional transport frame, has enlarged the scope of device use.
Preferably, a spring is installed between the clamping block and the movable frame, pretightening force is applied to the clamping block through the spring, the clamping block is favorably fixed on the conveyor base better, and the clamping block is installed on the movable frame through a bolt, so that the clamping block is convenient to replace, and the use cost is reduced.
Preferably, a first hand wheel is installed at the end part of the rotating shaft, a second hand wheel is installed at the end part of the screw rod, the rotating shaft and the screw rod can rotate conveniently through the first hand wheel and the second hand wheel, and the working efficiency is improved.
Preferably, a telescopic mechanism is installed on one side of the bottom plate, a guide groove is formed in the bottom of the bottom plate, the telescopic mechanism comprises a vertical plate, a fifth rack, a fifth gear and a sixth rack, the vertical plate is installed at the bottom of the bottom plate, a third through groove is formed in the middle of the vertical plate, the fifth rack is fixedly installed at the bottom of one side of the vertical plate, the fifth gear is meshed above the fifth rack, the fifth gear is movably installed in a third through groove, the sixth rack is meshed above the fifth gear, a limiting block is installed on the vertical plate, the sixth rack is slidably installed on the limiting block, the end of the sixth rack is connected with one of the machine frames, a guide block is installed at the top of the machine frame connected with the sixth rack, the guide block is installed in the guide groove, a second transmission rod is rotatably installed on one side of the vertical plate, and a fourth connecting rod is fixedly installed on the second transmission rod, the end, far away from the fourth connecting rod, of the second transmission rod is provided with a second rocking handle, the second transmission rod is convenient to rotate through the second rocking handle, a third connecting rod is hinged to a fifth gear, the third connecting rod is hinged to a fourth connecting rod, the fourth connecting rod is rotated through the second transmission rod to rotate, the fourth connecting rod rotates to drive the third connecting rod to swing, meanwhile, the fifth gear moves in a third through groove, the fifth gear moves to be meshed with a fifth rack and a sixth rack simultaneously and drives the sixth rack to move along a limiting block, finally, the rack is driven to move along a guide groove, the distance between the two racks is further adjusted, different fixing requirements are met, and the using range of the device is expanded.
The invention has the beneficial effects that:
1) through elevating system with belt jack-up, on fixing conveyor is fixed with whole device through fixed establishment, need not a plurality of instruments and cooperate, only need alone can accomplish the bearing roller and change the operation, labour saving and time saving has improved the efficiency of work, and elevating system all installs in the backup pad with fixed establishment, is difficult to lose, is favorable to next use.
2) The first rocking handle is installed to the one end that worm was kept away from to first transfer line, is convenient for wave first transfer line through first rocking handle, has improved the efficiency of work.
3) The top fixed mounting of cam has the stand, the circular slot has been seted up to the circumferencial direction of stand, all set up on the both sides of axis of rotation install protruding strip stand and the cam with protruding strip matched with recess, the lead screw is installed to the screw thread in the frame, the carousel is installed to the tip of lead screw, the carousel is located inside the circular slot, drive the carousel up-and-down motion through rotating the lead screw, the carousel motion drives stand and cam along the epaxial protruding strip up-and-down motion of axis of rotation, thereby the realization is fixed the not unidimensional transport frame, the scope that the device used has been enlarged.
4) The spring is installed between the clamping block and the movable frame, the clamping block is applied with pretightening force through the spring, the clamping block is favorable for better fixing the conveyor base, and the clamping block is installed on the movable frame through the bolt, so that the clamping block is convenient to replace, and the use cost is reduced.
5) A first hand wheel is installed at the end of the rotating shaft, a second hand wheel is installed at the end of the screw rod, the rotating shaft and the screw rod can rotate conveniently through the first hand wheel and the second hand wheel, and working efficiency is improved.
6) One side of the bottom plate is provided with a telescopic mechanism, so that the conveyor bases with different sizes can be fixed, and the application range of the device is enlarged.
Drawings
FIG. 1 is a schematic structural view of a carrier roller replacing device for a coal mine belt conveyor.
Fig. 2 is a schematic structural diagram of a lifting mechanism in a carrier roller replacing device for a coal mine belt conveyor.
Fig. 3 is a schematic structural diagram of a fixing mechanism in a carrier roller replacing device for a coal mine belt conveyor.
FIG. 4 is a schematic structural view of the inner side of a frame in the roller replacing device for the coal mine belt conveyor.
Fig. 5 is a schematic structural view of a telescopic mechanism in a carrier roller replacing device for a coal mine belt conveyor.
In the figure: 1. a base plate; 11. a guide groove; 2. a lifting mechanism; 201. a first support plate; 2011. a first through groove; 202. a first movable plate; 2021. a first rack; 2022. a second rack; 203. a first gear; 204. a second gear; 205. a worm; 206. a shaft seat; 207. a first drive lever; 208. a first rocking handle; 209. a worm groove; 210. a first link; 211. a second link; 212. a second support plate; 2121. a second through groove; 213. a second movable plate; 214. a top plate; 215. a third gear; 216. a fourth gear; 217. a third rack; 218. a fourth rack; 3. a fixing mechanism; 301. a frame; 302. a raised strip; 303. a tension spring; 304. a cam; 305. a rotating shaft; 306. a first hand wheel; 307. a turntable; 308. a screw rod; 309. a second hand wheel; 310. a movable frame; 311. a spring; 312. a clamping block; 313. a column; 3131. a circular groove; 314. a roller; 4. a telescoping mechanism; 401. a vertical plate; 4011. a third through groove; 402. a fifth rack; 403. a fifth gear; 404. a sixth rack; 405. a limiting block; 406. a third link; 407. a fourth link; 408. a second transmission rod; 409. a second rocking handle; 5. and a guide block.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The utility model provides a colliery is bearing roller change device for band conveyer, includes bottom plate 1, elevating system 2 is installed to the top of bottom plate 1, through elevating system 2 with belt jack-up to carry out the change of bearing roller, fixed establishment 3 is installed to 1 below both sides of bottom plate, through fixed establishment 3 with the fixed conveyer frame of whole device on, bottom plate 1 links into a whole with elevating system 2, fixed establishment 3, is difficult to lose, is favorable to next use.
The lifting mechanism 2 comprises a first supporting plate 201, a first movable plate 202, a worm 205, a first transmission rod 207, a second supporting plate 212, a second movable plate 213 and a top plate 214, the first supporting plate 201 is installed on one side of the bottom plate 1, a first through groove 2011 is formed in the first supporting plate 201, one side of the first movable plate 202 is slidably installed in the first through groove 2011, a first rack 2021 is installed above one end of the first movable plate 202, a second rack 2022 is installed below the other end of the first movable plate 202, two shaft seats 206 are installed above the bottom plate 1, the worm 205 is rotatably installed between the two shaft seats 206, the first transmission rod 207 is installed on one of the shaft seats 206 and connected with the worm 205, a first rocking handle 208 is installed at one end of the first transmission rod 207 far away from the worm 205, the first transmission rod 207 is convenient to rock through the first rocking handle 208, the working efficiency is improved, a worm groove 209 is formed in one side of the first movable plate 202 close to the worm 205, one side of the worm 205 is positioned in the worm groove 209, a first gear 203 is meshed below the first rack 2021, a second gear 204 is meshed above the second rack 2022, the first gear 203 and the second gear 204 are both rotatably mounted on the first support plate 201, the second support plate 212 is positioned above the first support plate 201, a second through groove 2121 is formed in the second support plate 212, the second movable plate 213 is slidably mounted in the second through groove 2121, the top plate 214 is mounted above the second support plate 212, a fourth rack 218 is mounted above one end of the second movable plate 213, a third rack 217 is mounted below the other end of the second movable plate 213, a third gear 215 is meshed below the fourth rack 218, a fourth gear 216 is meshed above the third rack 217, the third gear 215 and the fourth gear 216 are both rotatably mounted on the second support plate 212, the first gear 203 and the second gear 204 are both hinged with the first link 210, the third gear 215 and the fourth gear 216 are both hinged with the second link 211, the end of the first link 210 is hinged with the end of the second link 211, the first transmission rod 207 is rotated to drive the worm 205 to rotate, the worm 205 moves in the worm groove 209 of the first movable plate 202 and drives the first movable plate 202 to move along the first support plate 201, meanwhile, the first rack 2021 is engaged with the first gear 203 and drives the first gear 203 to rotate, the second rack 2022 is engaged with the second gear 204 and drives the second gear 204 to rotate, the first gear 203 and the first link 210 on the second gear 204 swing along with the first rack, and the second link 211 and the first link 210 are hinged with the first link 210 to swing, thereby driving the third gear 215 and the fourth gear 216 to rotate and engage with the fourth rack 218 and the third rack 217 on the second movable plate 213, and driving the second movable plate 213 to move along the second support plate 212, thereby achieving the purpose of lifting the top plate 214 up and down.
The fixing mechanism 3 comprises a frame 301, a tension spring 303, a cam 304, a rotating shaft 305 and movable frames 310, wherein the frame 301 is installed at the bottom of the bottom plate 1, the rotating shaft 305 is installed on the frame 301, the cam 304 is installed on the rotating shaft 305, the cam 304 is flat and narrow at the upper part, the number of the movable frames 310 is two, the middle parts of the movable frames are symmetrically hinged on the frame 301, the tension spring 303 is installed on the two movable frames 310, one end of each movable frame 310 is rotatably provided with a roller 314, the roller 314 is abutted to the cam 304, the other end of each movable frame 310 is provided with a fixture block 312, after the device is placed on the conveyor base, the cam 304 is rotated by rotating the rotating shaft 305, the cam 304 is rotated to drive the roller 314 and drive the movable frames 310 to rotate around the frame 301 to drive the fixture block 312 to clamp the conveyor base, and the cam 304 cannot rotate at the moment, the fixing of the whole device is realized, the safety during the operation is ensured, the top of the cam 304 is fixedly provided with a vertical column 313, the circumferential direction of the vertical column 313 is provided with a circular groove 3131, the two sides of the rotating shaft 305 are provided with the protruding strips 302, the vertical column 313 and the cam 304 are both provided with grooves matched with the protruding strips 302, the frame 301 is provided with a screw rod 308 by screw threads, the end part of the screw rod 308 is provided with a turntable 307, the turntable 307 is positioned in the circular groove 3131, the turntable 308 is driven to move up and down by rotating the screw rod 308, the turntable 307 moves to drive the vertical column 313 and the cam 304 to move up and down along the protruding strips 302 on the rotating shaft 305, so that the conveyor bases with different sizes are fixed, the using range of the device is enlarged, the spring 311 is arranged between the clamping block 312 and the movable frame 310, and the pre-tightening force is applied to the clamping block 312 by the spring 311, which is favorable for the better fixing of the conveyor bases, the fixture block 312 is mounted on the movable frame 310 through a bolt, so that the fixture block 312 is convenient to replace, the use cost is reduced, the first hand wheel 306 is mounted at the end of the rotating shaft 305, the second hand wheel 309 is mounted at the end of the lead screw 308, the rotating shaft 305 and the lead screw 308 are convenient to rotate through the first hand wheel 306 and the second hand wheel 309, and the work efficiency is improved.
A telescopic mechanism 4 is installed on one side of the bottom plate 1, a guide groove 11 is formed in the bottom of the bottom plate 1, the telescopic mechanism 4 comprises a vertical plate 401, a fifth rack 402, a fifth gear 403 and a sixth rack 404, the vertical plate 401 is installed at the bottom of the bottom plate 1, a third through groove 4011 is formed in the middle of the vertical plate 401, the fifth rack 402 is fixedly installed at the bottom of one side of the vertical plate 401, the fifth gear 403 is meshed above the fifth rack 402, the fifth gear 403 is movably installed in the third through groove 4011, the sixth rack 404 is meshed above the fifth gear 403, a limit block 405 is installed on the vertical plate 401, the sixth rack 404 is slidably installed on the limit block 405, the end of the sixth rack 404 is connected with one of the racks 301, a guide block 5 is installed at the top of the rack 301 connected with the sixth rack 404, and the guide block 5 is installed in the guide groove 11, a second transmission rod 408 is rotatably installed at one side of the vertical plate 401, a fourth connecting rod 407 is fixedly installed on the second transmission rod 408, a second rocking handle 409 is arranged at one end of the second transmission rod 408 far away from the fourth connecting rod 407, the second rocking handle 409 facilitates the rotation of the second transmission rod 408, the fifth gear 403 is hinged with a third connecting rod 406, the third connecting rod 406 is hinged with a fourth connecting rod 407, the fourth link 407 is rotated by the second transmission rod 408, the fourth link 407 rotates to drive the third link 406 to swing, and at the same time, the fifth gear 403 moves in the third through-slot 4011, the fifth gear 403 moves to simultaneously engage with the fifth rack 402 and the sixth rack 404 and drive the sixth rack 404 to move along the limiting block 405, and finally the rack 301 is driven to move along the guide slot 11, and then the distance of two frames 301 is adjusted, different fixed demands are met, and the application range of the device is expanded.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a device is changed to bearing roller for colliery band conveyer, includes the bottom plate, its characterized in that, elevating system is installed to the top of bottom plate, fixed establishment is installed to bottom plate below both sides, the bottom plate links into a whole with elevating system, fixed establishment.
2. The roller replacing device for the coal mine belt conveyor as claimed in claim 1, wherein the lifting mechanism comprises a first supporting plate, a first movable plate, a worm, a first transmission rod, a second supporting plate, a second movable plate and a top plate, the first supporting plate is installed at one side of a bottom plate, a first through groove is formed in the first supporting plate, one side of the first movable plate is slidably installed in the first through groove, a first rack is installed above the first movable plate, a second rack is installed below the other end of the first movable plate, two shaft seats are installed above the bottom plate, the worm is rotatably installed between the two shaft seats, the first transmission rod is installed on one of the shaft seats and connected with the worm, a worm groove is formed in one side of the first movable plate close to the worm, one side of the worm is located in the worm groove, a first gear is meshed below the first rack, a second gear is meshed above the second rack, the first gear and the second gear are rotatably mounted on a first supporting plate, a second supporting plate is positioned above the first supporting plate, a second through groove is formed in the first supporting plate, a second movable plate is slidably mounted in the second through groove, the top plate is mounted above the second supporting plate, a fourth rack is mounted above one end of the second movable plate, a third rack is mounted below the other end of the second movable plate, a third gear is meshed below the fourth rack, a fourth gear is meshed above the third rack, the third gear and the fourth gear are rotatably mounted on the second supporting plate, a first connecting rod is hinged on each of the first gear and the second gear, and a second connecting rod is hinged on each of the third gear and the fourth gear, the end of the first connecting rod is hinged with the end of the second connecting rod.
3. A roller changing device for a coal mine belt conveyor as claimed in claim 2 wherein a first rocking handle is mounted to the end of the first transfer lever remote from the worm.
4. A roller replacing device for a coal mine belt conveyor according to claim 1, wherein the fixing mechanism comprises a rack, tension springs, cams, rotating shafts and movable frames, the rack is mounted at the bottom of the bottom plate, the rotating shafts are mounted on the rack, the cams are mounted on the rotating shafts, the cams are flat and narrow at the top and the bottom, the number of the movable frames is two, the middle parts of the movable frames are symmetrically hinged on the rack, the tension springs are mounted on the two movable frames, one ends of the movable frames are rotatably mounted with idler wheels, the idler wheels are abutted to the cams, and fixture blocks are mounted at the other ends of the movable frames.
5. A roller replacing device for a coal mine belt conveyor as claimed in claim 4, wherein a column is fixedly mounted at the top of the cam, a circular groove is formed in the circumferential direction of the column, protruding strips are mounted on two sides of the rotating shaft, grooves matched with the protruding strips are formed in the column and the cam, a screw rod is mounted on the rack in a threaded manner, a rotary table is mounted at the end of the screw rod, and the rotary table is located inside the circular groove.
6. A roller changing device for a coal mine belt conveyor as claimed in claim 4 wherein a spring is mounted between the block and the adjustable shelf.
7. A roller changing device for a coal mine belt conveyor as claimed in claim 4 wherein the fixture block is mounted on the cradle by bolts.
8. A roller changing device for a coal mine belt conveyor as claimed in claim 5 wherein a first hand wheel is mounted at the end of the rotating shaft and a second hand wheel is mounted at the end of the screw rod.
9. The roller replacing device for the coal mine belt conveyor as claimed in claim 4, wherein a telescopic mechanism is mounted on one side of the bottom plate, a guide groove is formed in the bottom of the bottom plate, the telescopic mechanism comprises a vertical plate, a fifth rack, a fifth gear and a sixth rack, the vertical plate is mounted at the bottom of the bottom plate, a third through groove is formed in the middle of the vertical plate, the fifth rack is fixedly mounted at the bottom of one side of the vertical plate, the fifth gear is meshed above the fifth rack, the fifth gear is movably mounted in the third through groove, the sixth rack is meshed above the fifth gear, a limiting block is mounted on the vertical plate, the sixth rack is slidably mounted on the limiting block, the end of the sixth rack is connected with one of the racks, a guide block is mounted at the top of the rack connected with the sixth rack, and the guide block is mounted in the guide groove, a second transmission rod is rotatably installed on one side of the vertical plate, a fourth connecting rod is fixedly installed on the second transmission rod, a third connecting rod is hinged to the fifth gear, and the third connecting rod is hinged to the fourth connecting rod.
10. A roller changing device for a coal mine belt conveyor as claimed in claim 9 wherein a second rocking handle is mounted at an end of the second drive link remote from the fourth link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657427.9A CN113305552B (en) | 2021-06-12 | 2021-06-12 | Roller replacing device for coal mine belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657427.9A CN113305552B (en) | 2021-06-12 | 2021-06-12 | Roller replacing device for coal mine belt conveyor |
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| CN113305552A true CN113305552A (en) | 2021-08-27 |
| CN113305552B CN113305552B (en) | 2022-04-19 |
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| CN202110657427.9A Active CN113305552B (en) | 2021-06-12 | 2021-06-12 | Roller replacing device for coal mine belt conveyor |
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| KR20130046589A (en) * | 2011-10-28 | 2013-05-08 | 현대제철 주식회사 | Jig apparatus for changing roller |
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| CN209522171U (en) * | 2019-02-22 | 2019-10-22 | 山东黄金矿业(莱州)有限公司焦家金矿 | For replacing the support device of Mine haul belt roller |
| CN211841768U (en) * | 2020-02-13 | 2020-11-03 | 侯振涛 | Device is changed to colliery band conveyer bearing roller |
| CN212527545U (en) * | 2020-04-17 | 2021-02-12 | 邯郸钢铁集团有限责任公司 | Device of quick replacement band conveyer bearing roller |
| CN212095184U (en) * | 2020-04-28 | 2020-12-08 | 王明洋 | Belt jacking device for replacing carrier roller of underground belt conveyor in coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113305552B (en) | 2022-04-19 |
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