CN114435866A - Novel chain tightening device of scraper conveyor - Google Patents
Novel chain tightening device of scraper conveyor Download PDFInfo
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- CN114435866A CN114435866A CN202210033761.1A CN202210033761A CN114435866A CN 114435866 A CN114435866 A CN 114435866A CN 202210033761 A CN202210033761 A CN 202210033761A CN 114435866 A CN114435866 A CN 114435866A
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- driving
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- driving cylinder
- piston rod
- scraper
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- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000003245 coal Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 37
- 239000010720 hydraulic oil Substances 0.000 description 19
- 238000013459 approach Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/20—Traction chains, ropes, or cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The application discloses a novel chain tightening device of a scraper machine, which relates to the field of scraper machines for coal mines and comprises a driving cylinder, a first connecting piece and a second connecting piece, wherein the first connecting piece is connected with a piston rod of the driving cylinder; the second connecting piece is connected with the shell of the driving cylinder. The safety of scraper chain can be improved in the installation.
Description
Technical Field
The application relates to the field of scraper conveyors for coal mines, in particular to a novel scraper conveyor chain tightening device.
Background
The scraper conveyor is important transportation equipment in the coal transportation process, is mainly used for a long-wall coal mining working face and takes charge of transportation tasks; because scrape the trigger when the installation in the pit, all will lay one and correspond and pass aircraft nose sprocket, middle part groove lower part and tail sprocket to through the chain that connects the ring type that chain link connection formed enclosed construction, along with the increase of coal mining degree of depth, need increase the chute to scraping the trigger, later connect the chain again, conveniently scrape the steady operation of trigger.
The related art discloses a chain tightening mode of a scraper conveyor, when the scraper conveyor is paved, the scraper chain is still in a disconnected state, the disconnected scraper chain needs to be connected together through a chain connecting ring, an operator uses a chain stopper to fix one end of the scraper chain and installs a brake disc chain tightening device on a connecting cover cylinder between a motor and a speed reducer, after the motor is inching, a locking handle on the chain tightening device is rapidly screwed, so that the brake disc connected between the motor and the speed reducer is braked, the scraper chain cannot shrink due to the elastic force of the scraper chain, one end of the scraper chain is fixed, the other end of the scraper chain is in a loose state, and the operator connects the two ends of the scraper chain into a whole through the chain connecting ring.
In view of the above-mentioned related art, the inventor believes that when the chain tightening method disclosed in the related art is used to tighten the scraper chain of the scraper machine, the disconnected scraper chains driven by the motor approach each other, and the scraper chain and the toothed disc driven by the motor are prone to tooth skipping, so that the unconnected scraper chain jumps toward the operator, and the risk of the operator combining the scraper chains is high.
Disclosure of Invention
In order to improve the security of installing the scraper chain, this application provides a novel scrape trigger tight chain device.
The application provides a pair of novel scrape trigger tight chain device adopts following technical scheme:
a novel chain tightening device of a scraper conveyor comprises a driving cylinder, a first connecting piece and a second connecting piece, wherein the first connecting piece is connected with a piston rod of the driving cylinder; the second connecting piece is connected with the shell of the driving cylinder.
By adopting the technical scheme, the piston rod of the driving cylinder extends out, the piston rod of the driving cylinder drives the first connecting piece to slide towards one side far away from the second connecting piece, the distance between the first connecting piece and the second connecting piece is increased, an operator connects the first connecting piece with the free end of one side of the scraper chain, one end of the scraper chain exceeds the first connecting piece and faces one side of the second connecting piece, the second connecting piece is connected with the other side of the scraper chain, the scraper chain extends out of the second connecting piece, one end of the scraper chain extending out of the second connecting piece is arranged towards the middle part of the driving cylinder, the piston rod of the driving cylinder contracts, the first connecting piece moves towards the second connecting piece under the driving of the piston rod of the driving cylinder, after the piston rod of the driving cylinder is completely accommodated, the free end of a single scraper chain is attached to the middle part of the shell of the driving cylinder, and the operator connects the two free ends of the scraper chain by using the connecting chain ring, scrape the chain connection and be the annular, the piston rod of actuating cylinder stretches out, first connecting piece and scrape the effort reduction between the chain, the effort reduction between second connecting piece and the scraper chain, first connecting piece and second connecting piece separation, operating personnel will dismantle first connecting piece and scrape the hookup location of chain, dismantle the hookup location of second connecting piece and scraper chain, scrape the chain fastening and accomplish, reduce the scraper chain and take place gliding possibility to improve the security that operating personnel fastened the scraper chain.
Optionally, the first connecting piece includes a first connecting beam and a first connecting chain, the first connecting beam is connected to the piston rod of the driving cylinder, at least two first connecting chains are provided, the first connecting chain is connected to one end of the first connecting beam, which is far away from the driving cylinder, one end of the first connecting chain, which is far away from the first connecting beam, is set as a free end, and the piston rod of the driving cylinder is arranged between two adjacent first connecting chains; the second connecting piece comprises a second connecting beam and a second connecting chain which have the same structure as the first connecting piece.
Through adopting above-mentioned technical scheme, operating personnel connects first connecting chain and the position that scrapes the board chain and be close to any free end, later with second connecting chain and scrape the board chain and be close to the position connection of other end free end, the piston rod of driving cylinder drives first tie-beam motion, first tie-beam drives first connecting chain and moves towards the second tie-beam, first tie-beam and second tie-beam are close to the back each other, two free ends of scraping the board chain are close to each other, operating personnel uses the connecting chain ring to be linked together two free ends of scraping the board chain as an organic whole, it is the annular to scrape the board chain connection, two first connecting chains and two second connecting chains can make things convenient for the driving cylinder to drive and scrape the synchronous fastening of board chain, improve the convenience that the fastening scraped the board chain.
Optionally, the first connecting piece further includes at least two first connecting buckles for connecting with the scraper chain, the first connecting buckles are arranged corresponding to the first connecting chains, and the first connecting buckles are connected with one ends of the first connecting chains far away from the first connecting beam; the second connecting piece further comprises a second connecting buckle, and the second connecting buckle is arranged at one end, far away from the second connecting beam, of the second connecting chain.
By adopting the technical scheme, the first connecting chain is connected with the scraper chain through the first connecting buckle, the second connecting chain is connected with the scraper chain through the second connecting buckle, when the driving cylinder drives the first connecting chain and the second connecting chain to approach each other, the first connecting chain and the second connecting chain drive the scraper chain to approach each other, the first connecting buckle connects the scraper chain and the first connecting chain into a whole, the second connecting buckle connects the other end of the scraper chain and the second connecting chain into a whole, the possibility of the scraper chain being stressed and inclined is reduced, when dismantling the actuating cylinder, the piston rod of actuating cylinder stretches out, and the effort between first connecting link and the scraper chain reduces, and the effort between second chain link and the scraper chain reduces, and first connector link of operating personnel unblock and second connector link, first connector link, second connector link all with scrape the separation of scraper chain, improve the convenience that operating personnel dismantled tight chain device.
Optionally, the first connecting beam is hinged to a piston rod of the driving cylinder, the second connecting beam is hinged to a housing of the driving cylinder, and an axial direction of a hinge shaft of the first connecting beam is parallel to an axial direction of a hinge shaft of the second connecting beam.
Through adopting above-mentioned technical scheme, scrape the chain connection and become annular after, the piston rod of actuating cylinder stretches out, and first tie-beam and the separation of second tie-beam, the articulated range that conveniently improves the activity of actuating cylinder in the both ends of actuating cylinder reduces and scrapes the dynamics that the chain and actuating cylinder lateral wall support tightly, and then reduces the intensity of labour that operating personnel dismantled the actuating cylinder.
Optionally, the first connecting piece further comprises a first connecting pin, and the first connecting beam and the piston rod of the driving cylinder are connected into a whole through the first connecting pin; the second connecting piece further comprises a second connecting pin, and the second connecting beam and the shell of the driving cylinder are connected into a whole through the second connecting pin.
By adopting the technical scheme, when the first connecting beam is worn or bent after being used for a long time, an operator detaches the first connecting pin, the fixed state of the first connecting beam and the piston rod of the driving cylinder is released, and the operator detaches and replaces the first connecting beam, so that the possibility of dislocation generated during installation of the scraper chain is reduced; when the second tie-beam uses for a long time and leads to crooked or wearing and tearing, operating personnel dismantles the second connecting pin, and the fixed state of the casing of second tie-beam and actuating cylinder is relieved, conveniently changes the second tie-beam, reduces the part and takes place the cost that the whole tight chain device of wearing and tearing need be changed.
Optionally, the first connecting chain and the first connecting beam are detachably connected, and the second connecting chain and the second connecting beam are detachably connected.
Through adopting above-mentioned technical scheme, when first connecting chain or second connecting chain took place wearing and tearing, operating personnel dismantled first connecting chain or second connecting chain, directly changed new first connecting chain or second connecting chain to the cost that needs the expense when reducing tight chain device and maintaining.
Optionally, a first reinforcing rib is arranged on one side of the first connecting beam, which is far away from the driving cylinder, the first reinforcing rib is arranged along the length direction of the first connecting beam, and the first reinforcing rib is fixedly connected with the first connecting beam; one side of the second connecting beam far away from the driving cylinder is provided with a second reinforcing rib, the second reinforcing rib is arranged along the length direction of the second connecting beam, and the second reinforcing rib is fixedly connected with the second connecting beam.
By adopting the technical scheme, the first reinforcing ribs are used for dispersing the load of the first connecting chain directly acting on the first connecting beam, when the first connecting chain is connected with the scraper chain to drive the scraper chain to move, the reaction force of the scraper chain is transmitted to the first connecting beam along the first connecting chain, and the first reinforcing ribs evenly distribute the integral load on the first connecting beam, so that the possibility of bending of the first connecting beam is reduced; the second strengthening rib is used for distributing the load that bears on the second tie-beam, reduces the second tie-beam and takes place crooked possibility, and then reduces the possibility that adjacent scraper chain is close to each other, reduces the security that improves operating personnel installation scraper chain.
Optionally, a driving oil cavity is formed in the driving cylinder, a piston rod of the driving cylinder is arranged in the driving oil cavity, the piston rod of the driving cylinder is slidably connected with the driving oil cavity, the driving oil cavity is divided into a first driving cavity and a second driving cavity by the piston rod of the driving cylinder, the piston rod of the driving cylinder is arranged between the first driving cavity and the second driving cavity, the driving device further comprises a driving component for driving the piston rod of the driving cylinder to move, the driving component comprises a first oil pipe, a second oil pipe and a driving pump, one end of the first oil pipe is connected with the driving cylinder, the first oil pipe is communicated with the first driving cavity, and the other end of the first oil pipe is connected with the driving pump; one end of the second oil pipe is connected with the driving cylinder, the second oil pipe is communicated with the second driving cavity, and the other end of the second oil pipe is connected with the driving pump.
Through adopting above-mentioned technical scheme, operating personnel opens the driving pump, hydraulic oil in the driving pump gets into first drive intracavity along first oil pipe, hydraulic oil increase in quantity in first drive intracavity, hydraulic oil in the first drive intracavity promotes the piston rod of actuating cylinder and stretches out, first connecting piece and second connecting piece are kept away from, operating personnel will scrape the free end and the first connecting piece connection of the one end of scraper chain, scrape the other end free end and the second connecting piece of scraper chain and connect, later the driving pump opens, hydraulic oil gets into the second drive intracavity along second oil pipe, hydraulic oil in the second drive intracavity promotes the piston rod of actuating cylinder and withdraws, hydraulic oil in the first drive intracavity returns to the driving pump in along first oil pipe, thereby make two free ends of scraper chain be close to each other, make things convenient for operating personnel to use the chain ring that connects scraper chain to connect for the annular.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the driving cylinder, the first connecting piece and the second connecting piece, a piston rod of the driving cylinder extends out, the first connecting piece is separated from the second connecting piece, the first connecting piece is connected with one free end of the scraper chain, the second connecting piece is connected with the other free end of the scraper chain, the piston rod of the driving cylinder is retracted, the first connecting piece and the second connecting piece are close to each other, the two free ends of the scraper chain are close to each other, an operator uses a connecting chain ring to connect the free ends of the scraper chain, the scraper chain is surrounded into a ring shape, the piston rod of the driving rod does not completely extend out, the acting force of the first connecting piece and the scraper chain is reduced, the acting force of the second connecting piece and the scraper chain is reduced, the operator detaches the first connecting piece and the second connecting piece, the scraper chain is connected, the possibility of sliding in the connecting process of the scraper chain is reduced, and the connecting safety of the scraper chain is improved;
2. the first connecting beam is hinged with a piston rod of the driving cylinder, the second connecting beam is hinged with a shell of the driving cylinder, and when the scraper chain is connected into a ring shape, the piston rod of the driving cylinder extends out, so that the acting force between the first connecting beam and the scraper chain and the acting force between the second connecting beam and the scraper chain are reduced, the possibility of the driving cylinder sliding when the first connecting beam and the second connecting beam are disassembled is reduced, and the safety of disassembling the driving cylinder is improved;
3. set up first strengthening rib on the first tie-beam, set up the second strengthening rib on the second tie-beam, first strengthening rib distributes the load on the first tie-beam in first tie-beam wholly, reduces the great possibility that leads to buckling of first tie-beam local load, the second strengthening rib reduces the possibility that the second tie-beam takes place to buckle, and then improves the reliability that first tie-beam and second tie-beam drive the free end motion of scraping the board chain, reduces the maintenance cost of tight chain device.
Drawings
Fig. 1 is a schematic structural diagram of a novel chain tightening device of a scraper conveyor according to an embodiment of the present application.
Fig. 2 is a perspective cross-sectional view of a novel chain tightening device of a scraper conveyor according to an embodiment of the present application.
Fig. 3 is a perspective cross-sectional view of a novel chain tightening device of a scraper conveyor for showing the internal structure of a driving cylinder according to an embodiment of the application.
Description of reference numerals: 1. a drive cylinder; 11. a first drive chamber; 12. a second drive chamber; 13. a housing; 14. a piston rod; 141. a second positioning hole; 15. a gasket; 16. a support block; 161. a fourth positioning hole; 2. a first connecting member; 21. a first connecting beam; 211. a first ear plate; 2111. a first mounting hole; 212. a first positioning hole; 22. a first connecting chain; 23. a first connecting buckle; 24. a first reinforcing rib; 25. a first connecting pin; 26. a first locking pin; 261. a first locking hole; 27. a first fixing strip; 3. a second connecting member; 31. a second connecting beam; 311. a second ear panel; 3111. a second mounting hole; 312. a third positioning hole; 32. a second connecting chain; 33. a second connecting buckle; 34. a second reinforcing rib; 35. a second connecting pin; 36. a second locking pin; 361. a second locking hole; 37. a second fixing strip; 4. a drive member; 41. a first oil pipe; 42. a second oil pipe; 43. the pump is driven.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses novel scrape trigger tight chain device. Referring to fig. 1, 2 and 3, the novel scraper chain tightening device comprises a driving cylinder 1, a first connecting piece 2, a second connecting piece 3 and a driving part 4 for driving a piston rod of the driving cylinder 1 to move; the driving cylinder 1 is set as a hydraulic cylinder, the driving cylinder 1 comprises a shell 13, a piston rod 14 and a sealing gasket 15, a driving oil cavity is formed in the shell 13, the sealing gasket 15 is arranged in the driving oil cavity, the sealing gasket 15 is connected with the inner wall of the driving oil cavity in a sliding mode, the sealing gasket 15 is connected with the piston rod 14 through a bolt, the driving oil cavity is divided into a first driving cavity 11 and a second driving cavity 12 through the sealing gasket 15, and the piston rod 14 is connected with the shell 15 in a sliding mode; the first connecting piece 2 is arranged at the piston rod 13, the first connecting piece 2 is hinged with the piston rod 13, the first connecting piece 2 comprises a first connecting beam 21 and a first connecting chain 22, the first connecting beam 21 is in a cuboid plate shape, the length direction of the first connecting beam 21 is perpendicular to the movement direction of the piston rod of the driving cylinder 1, and the middle part of the first connecting beam 21 is connected with the piston rod of the driving cylinder 1; two first lug plates 211 are integrally formed at the end part of the first connecting beam 21, the distance between the two first lug plates 211 and the driving cylinder 1 is the same, the two first lug plates 211 are arranged at intervals along the length direction of the first connecting beam 21, first mounting holes 2111 are formed in the first lug plates 211, and the first mounting holes 2111 penetrate through the first lug plates 211; first connecting link 22 sets up to the iron chain, first connecting link 22 is provided with two, first connecting link 22 and first mounting hole 211 one-to-one, two first connecting link 22 set up the one side of keeping away from actuating cylinder 1 at first tie-beam 21, be provided with first locking pin 26 between first connecting link 22 and the first tie-beam 21, first locking pin 26 and first connecting link 22 rotate to be connected, first locking pin 26 passes first mounting hole 2111, first locking hole 261 has been seted up to the one end that first locking pin 26 passed first otic placode 211, it has first fixed strip 27 to peg graft in the first locking hole 261, first fixed strip 27 and first locking pin 26 can dismantle the connection.
Referring to fig. 1 and 2, the second connecting member 3 is disposed at the housing 13 of the driving cylinder 1, the second connecting member 3 is hinged to the housing 13 of the driving cylinder 1, the second connecting member 3 includes a second connecting beam 31 and a second connecting chain 32, the second connecting beam 31 is also rectangular, the length direction of the second connecting beam 31 is parallel to the length direction of the first connecting beam 21, the middle portion of the second connecting beam 31 is hinged to the housing 13 of the driving cylinder 1, two second ear plates 311 are integrally formed at the end portion of the second connecting beam 31, the two second ear plates 311 have the same distance from the driving cylinder 1, the two second ear plates 311 are disposed at intervals along the length direction of the second connecting beam 31, second mounting holes 311 are formed in the second ear plates 311, and the second mounting holes 311 penetrate through the second ear plates 311; the second connecting chain 32 is provided with two iron chains, the second connecting chain 32 corresponds to the second mounting holes 311 one by one, the two second connecting chains 32 are arranged on one side, away from the driving cylinder 1, of the second connecting beam 31, the second locking pins 36 are arranged between the second connecting chain 32 and the second connecting beam 31, the second locking pins 36 are rotatably connected with the second connecting chain 32, the second locking pins 36 penetrate through the second mounting holes 3111, the second locking holes 361 are formed in one ends, penetrating through the second ear plates 311, of the second locking pins 36, the second fixing strips 37 are inserted in the second locking holes 361, and the second fixing strips 37 are detachably connected with the second locking pins 36.
Referring to fig. 2 and 3, the driving part 4 includes a first oil pipe 41, a second oil pipe 42 and a driving pump 43, the first oil pipe 41 and the second oil pipe 42 are both rubber pipes, one end of the first oil pipe 41 is connected with the housing 13 of the driving cylinder 1 near the first driving cavity 11 through a quick joint, one end of the first oil pipe 41 near the driving cylinder 1 is communicated with the first driving cavity 11, and the other end of the first oil pipe 41 is connected with the driving pump 43 through a quick joint; one end of the second oil pipe 42 is connected with the shell 13 of the driving cylinder 1 close to the second driving cavity 12 through a quick joint, one end of the second oil pipe 42 close to the driving cylinder 1 is communicated with the second driving cavity 12, and the other end of the second oil pipe 42 is connected with the driving pump 43 through a quick joint; the drive pump 43 is an electro-hydraulic station with a transfer switch connected thereto.
When the length of scraping the board chain is adjusted to operating personnel, operating personnel opens driving pump 43 earlier, hydraulic oil in the driving pump 43 gets into in the first drive chamber 11 along first oil pipe 41, the hydraulic oil volume increase in the first drive chamber 11, the volume increase of first drive chamber 11, hydraulic oil in the first drive chamber 11 promotes the piston rod of driving cylinder 1 and stretches out, first connecting piece 2 and second connecting piece 3 keep away from, when the piston rod of driving cylinder 1 stretches out completely, operating personnel will scrape the one end and the first connecting chain 22 lock of board chain, scrape the other end and the second connecting chain 32 lock of board chain, scrape the sum of the length that the board chain stretches out first connecting chain 22 lock position and scrape the board chain and exceed second connecting chain 32 lock position and be less than the length of driving cylinder 1 casing 13 after the lock.
After the buckling is completed, an operator adjusts a change-over switch of the driving pump 43, hydraulic oil enters the second driving cavity 12 along the second oil pipe 42, the hydraulic oil in the second driving cavity 12 pushes a piston rod of the driving cylinder 1 to retract, the hydraulic oil in the first driving cavity 11 returns to the driving pump 43 along the first oil pipe 41, the first connecting beam 21 and the second connecting beam 31 are close to each other, so that two free ends of the scraper chain are driven to be close to each other, the operator connects the two free ends of the scraper chain into a whole by using a connecting chain ring, and the scraper chain is connected into a ring shape; afterwards operating personnel inching drive pump 43, hydraulic oil increases in first drive chamber 11, the piston rod of driving cylinder 1 stretches out partly, effort between first connecting link 22 and the scraper chain reduces, effort between second connecting link 32 and the scraper chain reduces, operating personnel dismantles the junction of first connecting link 22 and scraper chain, dismantle the junction of second connecting link 32 and scraper chain, first connecting link 22 and second connecting link 32 all with scrape the separation of scraper chain, thereby accomplish the fastening of scraper chain, reduce the possibility that the scraper chain takes place to slide in the fastening process, improve convenience and the security that operating personnel fastening scraper chain takes place.
Referring to fig. 1 and 2, in order to improve the efficiency of detaching the chain fastening device of the scraper conveyor, the first connecting piece 2 further includes at least two first connecting buckles 23, the first connecting buckles 23 are disposed corresponding to the first connecting chains 22, the first connecting buckles 23 are sleeved on one ends of the first connecting chains 22 far away from the first connecting beams 21, the first connecting buckles 23 are disposed as horseshoe rings, and openings of the first connecting buckles 23 face one ends far away from the first connecting chains 22; the second connecting member 3 further includes a second connecting buckle 33, the second connecting buckle 33 is provided with at least two, the second connecting buckle 33 is arranged corresponding to the second connecting chain 32, the second connecting chain 32 is sleeved with the second connecting buckle 33, one end of the second connecting beam 31 is far away from the second connecting buckle 33, the second connecting buckle 33 is also arranged to be a horseshoe ring, and the opening of the second connecting buckle 33 faces the end of the second connecting chain 32.
When the operator fastens the scraper chain, the first connecting chain 22 is connected to the scraper chain by the first connecting buckle 23, the first connecting buckle 23 fixes the scraper chain in the first mounting groove 231, the second connecting chain 32 is connected to the scraper chain by the second connecting buckle 33, the second connecting buckle 33 fixes the scraper chain in the second mounting groove 331, when the driving cylinder 1 drives the first connecting chain 22 and the second connecting chain 32 to approach each other, the first connecting chain 22 and the second connecting chain 32 drive the scraper chains to approach each other, the stress on the scraper chains directly approaches each other, the possibility of deflection of the stress on the scraper chains is reduced, when dismantling actuating cylinder 1, the piston rod of actuating cylinder 1 stretches out, and the effort between first connecting link 22 and the scraper chain reduces, and the effort between second connecting link and the scraper chain reduces, and first connector link 23 and second connector link 33 all separate with the scraper chain, improve the efficiency that operating personnel dismantled the tight chain device of scraper conveyor.
Referring to fig. 1 and 2, in order to prolong the service life of the chain tightening device of the scraper conveyor, the first connecting piece 2 further comprises a first connecting pin 25 and a first reinforcing rib 24, one end of the first connecting beam 21, which faces the piston rod of the driving cylinder 1, is provided with a first positioning hole 212, the end part of the piston rod of the driving cylinder 1 is provided with a second positioning hole 141, the first connecting pin 25 is cylindrical, the axial direction of the first connecting pin 25 is parallel to the length direction of the first connecting beam 21, the first connecting pin 25 sequentially penetrates through the first positioning hole 212 and the second positioning hole 141, and the first connecting beam 21 and the piston rod of the driving cylinder 1 are connected into a whole through the first connecting pin 25; the first reinforcing rib 24 is rectangular, the first reinforcing rib 24 is arranged on one side of the first connecting beam 21 far away from the driving cylinder 1, the first reinforcing rib 24 is arranged along the length direction of the first connecting beam 21, and the first reinforcing rib 24 and the first connecting beam 21 are integrally formed; the second connecting piece 3 further comprises a second connecting pin 35 and a second reinforcing rib 34, a third positioning hole 312 is formed in one end, facing the driving cylinder 1, of the second connecting beam 31, a supporting block 16 is arranged at the position of the shell 13 of the driving cylinder 1, the supporting block 16 is fixedly connected with the shell 13 of the driving cylinder 1 through a bolt, a fourth positioning hole 161 is formed in the end portion of the supporting block 16, the second connecting pin 35 is cylindrical, the axial direction of the second connecting pin 35 is parallel to the axial direction of the first connecting pin 25, the second connecting pin 35 sequentially penetrates through the third positioning hole 312 and the fourth positioning hole 14, and the second connecting beam 31 and the driving cylinder 1 are connected into a whole through the second connecting pin 35; the second beads 34 are rectangular parallelepiped, the second beads 34 are provided on the side of the second connecting beam 31 away from the drive cylinder 1, the second beads 34 are provided along the longitudinal direction of the second connecting beam 31, and the second beads 34 and the second connecting beam 31 are integrally formed.
When the chain tightening device is used, the reaction force of the scraper chain is transmitted to the first connecting beam 21 along the first connecting chain 22, and the first reinforcing ribs 24 evenly distribute the overall load on the first connecting beam 21, so that the first connecting beam 21 can run for a long time conveniently; when the reaction force of the scraper chain is transmitted to the second connecting beam 31 along the second connecting chain 32, the second reinforcing ribs 34 evenly distribute the overall load on the second connecting beam 31, so that the service life of the second connecting beam 31 is prolonged, when the first connecting beam 21 is worn or bent after being used for a long time, an operator detaches the first connecting pin 25, the fixed state of the first connecting beam 21 and the piston rod of the driving cylinder 1 is released, and the operator detaches and replaces the first connecting beam 21; when the second connection beam 31 is used for a long time to cause bending or abrasion, the operator detaches the second connection pin 35, and the fixed state of the second connection beam 31 and the driving cylinder 1 is released, so that the second connection beam 31 is conveniently replaced, and the service life of the whole chain tightening device is prolonged.
The implementation principle of the novel chain tightening device of the scraper conveyor in the embodiment of the application is as follows: when the operator adjusts the length of the scraper chain, the operator firstly starts the driving pump 43, hydraulic oil in the driving pump 43 enters the first driving cavity 11 along the first oil pipe 41, the hydraulic oil in the first driving cavity 11 pushes the piston rod of the driving cylinder 1 to extend, the first connecting piece 2 and the second connecting piece 3 are far away, when the piston rod of the driving cylinder 1 completely extends, the driving pump 43 stops, the operator enables the free end of one end of the scraper chain to be connected to be buckled with the first connecting buckle 23 through the locking ring, the free end of the other end of the scraper chain is connected with the second connecting buckle 33, and the sum of the lengths of the scraper chain exceeding the buckling position of the first connecting chain 22 and the scraper chain exceeding the buckling position of the second connecting chain 32 after buckling is smaller than the length of the shell 13 of the driving cylinder 1; after the buckling is completed, an operator starts the driving pump 43, hydraulic oil enters the second driving cavity 12 along the second oil pipe 42, the hydraulic oil in the second driving cavity 12 pushes the piston rod of the driving cylinder 1 to retract, the hydraulic oil in the first driving cavity 11 returns to the driving pump 43 along the first oil pipe 41, the first connecting beam 21 and the second connecting beam 31 are close to each other, so that two free ends of the scraper chain are driven to be close to each other, the operator connects the free ends of the scraper chain by using the connecting chain ring, and the scraper chain forms a ring shape; then the operator clicks the driving pump 43, the volume of the hydraulic oil in the first driving cavity 11 is increased, the piston rod of the driving cylinder 1 extends out, the acting force between the first connecting buckle 23 and the scraper chain is reduced, the acting force between the second connecting buckle 33 and the scraper chain is reduced, the operator detaches the first connecting buckle 23 and the second connecting buckle 33, and the first connecting buckle 23 and the second connecting buckle 33 are both separated from the scraper chain after the connection is completed, so that the installation of the scraper chain is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a novel scrape trigger tight chain device which characterized in that: the device comprises a driving cylinder (1), a first connecting piece (2) and a second connecting piece (3), wherein the first connecting piece (2) is connected with a piston rod of the driving cylinder (1); the second connecting piece (3) is connected with the shell of the driving cylinder (1).
2. The novel chain tightening device of the scraper conveyor as claimed in claim 1, characterized in that: the first connecting piece (2) comprises first connecting beams (21) and first connecting chains (22), the first connecting beams (21) are connected with piston rods of the driving cylinders (1), at least two first connecting chains (22) are arranged, the first connecting chains (22) are connected to one ends, far away from the driving cylinders (1), of the first connecting beams (21), one ends, far away from the first connecting beams (21), of the first connecting chains (22) are set to be free ends, and the piston rods of the driving cylinders (1) are arranged between every two adjacent first connecting chains (22); the second connecting piece (3) comprises a second connecting beam (31) and a second connecting chain (32) which have the same structure as the first connecting piece (2).
3. The novel chain tightening device of the scraper conveyor as claimed in claim 2, characterized in that: the first connecting piece (2) further comprises at least two first connecting buckles (23) used for being connected with the scraper chain, the first connecting buckles (23) are arranged corresponding to the first connecting chain (22), and the first connecting buckles (23) are connected with one ends, far away from the first connecting beam (21), of the first connecting chains (22); the second connecting piece (3) further comprises a second connecting buckle (33), and the second connecting buckle (33) is arranged at one end, far away from the second connecting beam (31), of the second connecting chain (32).
4. The novel chain tightening device of the scraper conveyor as claimed in claim 2, characterized in that: the first connecting beam (21) is hinged to a piston rod of the driving cylinder (1), the second connecting beam (31) is hinged to a shell of the driving cylinder (1), and the axis direction of a hinged shaft of the first connecting beam (21) is parallel to the axis direction of a hinged shaft of the second connecting beam (31).
5. The novel chain tightening device of the scraper conveyor as claimed in claim 4, wherein: the first connecting piece (2) further comprises a first connecting pin (25), and the first connecting beam (21) and a piston rod of the driving cylinder (1) are connected into a whole through the first connecting pin (25); the second connecting piece (3) further comprises a second connecting pin (35), and the second connecting beam (31) and the shell of the driving cylinder (1) are connected into a whole through the second connecting pin (35).
6. The novel chain tightening device of the scraper conveyor as claimed in claim 2, characterized in that: the first connecting chain (22) is detachably connected with the first connecting beam (21), and the second connecting chain (32) is detachably connected with the second connecting beam (31).
7. The novel chain tightening device of the scraper conveyor as claimed in claim 2, characterized in that: a first reinforcing rib (24) is arranged on one side, away from the driving cylinder (1), of the first connecting beam (21), the first reinforcing rib (24) is arranged along the length direction of the first connecting beam (21), and the first reinforcing rib (24) is fixedly connected with the first connecting beam (21); one side of the second connecting beam (31) far away from the driving cylinder (1) is provided with a second reinforcing rib (34), the second reinforcing rib (34) is arranged along the length direction of the second connecting beam (31), and the second reinforcing rib (34) is fixedly connected with the second connecting beam (31).
8. The novel chain tightening device of the scraper conveyor as claimed in claim 1, characterized in that: a driving oil cavity is arranged in the driving cylinder (1), a piston rod of the driving cylinder (1) is arranged in the driving oil cavity, a piston rod of the driving cylinder (1) is connected with a driving oil cavity in a sliding way, the driving oil cavity is divided into a first driving cavity (11) and a second driving cavity (12) through the piston rod of the driving cylinder (1), a piston rod of the driving cylinder (1) is arranged between the first driving cavity (11) and the second driving cavity (12), and the driving device also comprises a driving component (4) for driving the piston rod of the driving cylinder (1) to move, the driving part (4) comprises a first oil pipe (41), a second oil pipe (42) and a driving pump (43), one end of the first oil pipe (41) is connected with the driving cylinder (1), the first oil pipe (41) is communicated with the first driving cavity (11), and the other end of the first oil pipe (41) is connected with the driving pump (43); one end of the second oil pipe (42) is connected with the driving cylinder (1), the second oil pipe (42) is communicated with the second driving cavity (12), and the other end of the second oil pipe (42) is connected with the driving pump (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210033761.1A CN114435866A (en) | 2022-01-12 | 2022-01-12 | Novel chain tightening device of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210033761.1A CN114435866A (en) | 2022-01-12 | 2022-01-12 | Novel chain tightening device of scraper conveyor |
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| CN114435866A true CN114435866A (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210033761.1A Pending CN114435866A (en) | 2022-01-12 | 2022-01-12 | Novel chain tightening device of scraper conveyor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523462A (en) * | 2013-10-15 | 2014-01-22 | 吴莹 | Scraper conveyer chain disconnecting device convenient to use |
| DE202012104211U1 (en) * | 2012-11-02 | 2014-02-10 | Caterpillar Global Mining Europe Gmbh | Reversing station for a slat conveyor |
| CN209442128U (en) * | 2018-03-19 | 2019-09-27 | 邯郸市牛儿庄采矿有限公司 | A kind of coal mine chain hydraulic chain tightener |
| CN210437928U (en) * | 2019-09-02 | 2020-05-01 | 贵州盘江精煤股份有限公司 | Chain tightening device of scraper conveyor |
| CN214988122U (en) * | 2021-06-30 | 2021-12-03 | 陕西煤业化工集团孙家岔龙华矿业有限公司 | Chain tightening device of scraper conveyor |
-
2022
- 2022-01-12 CN CN202210033761.1A patent/CN114435866A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012104211U1 (en) * | 2012-11-02 | 2014-02-10 | Caterpillar Global Mining Europe Gmbh | Reversing station for a slat conveyor |
| CN103523462A (en) * | 2013-10-15 | 2014-01-22 | 吴莹 | Scraper conveyer chain disconnecting device convenient to use |
| CN209442128U (en) * | 2018-03-19 | 2019-09-27 | 邯郸市牛儿庄采矿有限公司 | A kind of coal mine chain hydraulic chain tightener |
| CN210437928U (en) * | 2019-09-02 | 2020-05-01 | 贵州盘江精煤股份有限公司 | Chain tightening device of scraper conveyor |
| CN214988122U (en) * | 2021-06-30 | 2021-12-03 | 陕西煤业化工集团孙家岔龙华矿业有限公司 | Chain tightening device of scraper conveyor |
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Application publication date: 20220506 |
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