CN209522180U - Medium and heavy Distribution Warehouse drag conveyor for washing coal works - Google Patents

Abstract

A kind of medium and heavy Distribution Warehouse drag conveyor for washing coal works, including head, multiple first delivery chute groups, multiple second delivery chute groups, tail, power part, flight chain, scraper plate body, the beneficial effect of the technical program is: in the case that the length and width of the first unloading port is respectively less than the second unloading port length and width, during material is moved along the direction P, it is thrown under material, the gap between the first bottom liner and the second bottom liner will not be entered, there is arching upward for part in the upper surface for avoiding the first bottom liner, and cause operation swipe, the damage of first bottom lining plate, meet large conveying quantity, the requirement of long haul distance transport；Movable liner plate is installed on bearing block, it is formed whole, in moving process, the gap of movable liner plate and sprocket body remains constant, the upper chain strand and lower chain section of flight chain are remained in putting down into the state cleared, and the foreign matters such as coarse coal, spoil can be prevented to be mixed between flight chain and sprocket body, chain is caused to take off the accidents such as chain.

Description

Medium and heavy Distribution Warehouse drag conveyor for washing coal works

Technical field

It is the utility model relates to drag conveyor equipment technical field, in particular to a kind of for the medium and heavy of washing coal works Distribution Warehouse drag conveyor.

Background technique

Part tilts previous Distribution Warehouse drag conveyor bottom plate frequent occurrence in use, causes to run swipe, cause Scraper plate, bottom lining plate damage, are not able to satisfy the transport that large conveying quantity, long haul distance are carried out to material；In addition, Distribution Warehouse scraper plate conveying before Flight chain in the telescopic tail of machine, when being particularly in tensioning, since chain road is imperfect, discontinuously, scraper plate body is scraped The operation of plate chain is abnormal；Flight chain and sprocket body total number of teeth in engagement come and go, sprocket body discontinuity equalization and cause The gear teeth, bearing, flight chain frequent breakage；The upper chain strand and lower chain section of flight chain, which cannot remain, puts down into clearing, The foreign matters such as coarse coal, spoil, which are easy to be mixed in, causes flight chain to take off the accidents such as chain between flight chain and sprocket body.

Summary of the invention

In view of this, in view of the above deficiencies, it is necessary to which proposing that one kind has can be always ensured that flight chain is put down into clearing, and keep away Exempt from the tail of plate chain failure, and can solve operation swipe, meets the middle weight for washing coal works of large conveying quantity, the transport of long haul distance Type Distribution Warehouse drag conveyor.

A kind of medium and heavy Distribution Warehouse drag conveyor for washing coal works, which includes head, multiple First delivery chute group, multiple second delivery chute groups, tail, power part, flight chain, scraper plate body, head, multiple first conveyings Slot group, multiple second delivery chute groups, tail join end to end, wherein the first delivery chute group is alternately arranged with the second delivery chute group, machine The two sides of head are selectable to be equipped with power part, for driving the Distribution Warehouse drag conveyor inside strake chain and scraper plate body to transport Turn, the first delivery chute group or the second delivery chute group are supported and are installed in intermediate channel bracket group, the first delivery chute group or second defeated The capping cover board group that certain slope is equipped at the top of slot group is sent, the first delivery chute group includes bottom plate group, the bottom plate group packet The first bottom lining plate, the second bottom lining plate, flashboard, bottom liner lath are included, the first bottom lining plate is stacked in the top of the second bottom lining plate, first Bottom lining plate is equipped with the first unloading port, the second unloading port is equipped on the second bottom lining plate, in the first unloading port and the second unloading port Heart line is overlapped, and the length and width of the first unloading port is respectively less than the second unloading port length and width, and the length and width of flashboard is equal Greater than the second unloading port length and width, flashboard is covered on the second unloading port from bottom plate group bottom outside, and bottom liner lath is in work Font, bottom liner lath level are overlapped on the first bottom lining plate of the left and right sides of the first unloading port, the upper surface of bottom liner lath with The upper surface of first bottom lining plate is concordant, and the tail includes fixing groove, bearing block, sprocket shaft group, fixed frame, movable liner plate, consolidates Reservation, chain apparatus, the sprocket shaft group includes sprocket spindle, sprocket body, and the inner cavity two sides of fixing groove are respectively arranged with recessed The track of channel-shaped, the both ends of sprocket spindle are rotatablely connected with bearing block respectively, the bottom of bearing block be provided with it is above-mentioned The protruding portion that the track of groove-like matches, the bearing block are slidably mounted on track, so that bearing block is moved along track or so Dynamic, the both ends of sprocket spindle are respectively equipped with a sprocket body, and flight chain is surrounded in the sprocket body of two sides, and two are scraped The scraper plate body being parallel to each other is installed, flight chain includes upper chain strand, lower chain section, on the inside of fixing groove between plate chain Top fixed frame is installed, the left end connection of the middle plate of the right end of fixed frame the second delivery chute group adjacent thereto, fixed frame Upper surface it is concordant with the upper surface of middle plate, the fortune of the scraper plate body for supporting upper chain strand and being installed in upper chain strand Row, fixing groove bottom wall are connect with the lower plate of the second delivery chute group, under the upper surface of fixing groove bottom wall and the second delivery chute group The upper surface of bottom plate is concordant, the scraper plate body that fixing groove bottom wall is used to support lower chain section and is installed in lower chain section, Gu Determine to be mounted on movable liner plate on the bearing block of slot two sides, movable liner plate includes the segmental arc, interlude, connection being sequentially connected Section, segmental arc are free end, the right end of the linkage section and left end of fixed frame is movable is connected together, and movable liner plate is along flight chain Traffic direction arrangement, the upper surface shape of segmental arc is corresponding to sprocket body root position circumferential shapes, is used to support and is installed on The operation of scraper plate body in upper chain strand, interlude, the upper surface of linkage section are horizontally disposed, and flat with the upper surface of fixed frame Together, the operation of scraper plate body that interlude, linkage section are used to support upper chain strand and are installed in upper chain strand, linkage section are right End is U-shaped, and linkage section includes two fastening ends, and there are two engage with setting on the fixed frame of two fastening ends corresponding position Slot, movable liner plate move left and right, and fastening end moves left and right in engaging slot, are fixedly installed with fixing seat in the left end of fixing groove, A chain apparatus is installed in fixing seat, ear-pull seat is installed on bearing, the telescopic end and ear-pull seat of chain apparatus are cut with scissors It connects, to drive the bearing block of corresponding position to move left and right along the track of fixing groove by chain apparatus.

Preferably, the flight chain and the cornerite that encloses of sprocket body are equal to 180 °.

Preferably, derailleur is fixedly installed on bearing block, derailleur is arranged close to sprocket body, and is installed on scraper plate The lower chain section of chain.

Preferably, the bearing block is upper and lower split type structure.

Preferably, lead screw assembly being installed in the left end of fixing groove, lead screw assembly extends to left end or shrinks to right end, with For the relative position for locking or unlocking bearing block and fixing groove.

Preferably, it is equipped with location hole in the bottom of bearing block, lock is also equipped in the fixing groove of location hole corresponding position Tight bolt, clamping screw are detachably connected with location hole.

Preferably, protective chain is also equipped in fixing groove, one end of protective chain is connect with fixing groove, and the one of protective chain End is detachably bolted with flight chain.

Preferably, the tail further includes controller, lubricating structure, is additionally provided in bearing block for detecting bearing block inner shaft Hold the temperature sensor of temperature, the temperature sensor is connect with controller, controller and lubricating structure with connect.

Preferably, described chain apparatus is turbine and worm screw structure.

Preferably, described chain apparatus includes pumping plant, tensioning hydro-cylinder, and the pumping plant is for driving tensioning hydro-cylinder flexible, institute The fixing end for stating tensioning hydro-cylinder is fixed in fixing seat, and the telescopic end and ear-pull seat of tensioning hydro-cylinder are hinged.

The beneficial effect of the technical program is: the length and width of the first, the first unloading port is respectively less than the second unloading port It in the case where length and width, during material is moved along the direction P, is thrown under material, the first bottom liner and second will not be entered Gap between bottom liner, there is arching upward for part in the upper surface for avoiding the first bottom liner, and causes operation swipe, scraper plate sheet Body, the damage of the first bottom lining plate, meet the requirement of large conveying quantity, the transport of long haul distance；Second, the movable liner plate being installed on bearing block It can keep flight chain chain road complete, continuous during sprocket shaft group is mobile, ensure that the normal operation of flight chain； Third, movable liner plate can make the upper chain strand of flight chain and upper chain strand remain horizontal, the upper chain of flight chain Section and lower chain section remain that flight chain is remained unchanged with the gear teeth that engage of sprocket body in putting down into the state cleared, It avoids the problem that two sprocket body discontinuity equalizations and leads to the gear teeth, bearing, flight chain frequent breakage；4th, movable liner plate It is installed on bearing block, forms entirety, in moving process, the gap of movable liner plate and sprocket body remains constant, scrapes The upper chain strand and lower chain section of plate chain are remained in putting down into the state cleared, and can prevent the foreign matters such as coarse coal, spoil It is mixed between flight chain and sprocket body and chain is caused to take off the accidents such as chain.

Detailed description of the invention

Fig. 1 is the main view of the medium and heavy Distribution Warehouse drag conveyor for washing coal works.

Fig. 2 is the top view of the medium and heavy Distribution Warehouse drag conveyor for washing coal works.

Fig. 3 is the sectional view of the first delivery chute group.

Fig. 4 is the cross-sectional view in Fig. 3 along the direction B-B.

Fig. 5 is the sectional view of one embodiment of the first delivery chute group in former design.

Fig. 6 is the sectional view of another embodiment of the first delivery chute group in former design.

Fig. 7 is cross-sectional view of the tail described in Fig. 8 along the direction A-A.

Fig. 8 is the top view of the tail.

Fig. 9 is the main view of the tail.

In figure: head 10, the first delivery chute group 20, bottom plate group 21, the first bottom lining plate 211, the first unloading port 2111, second Bottom lining plate 212, the second unloading port 2121, flashboard 213, bottom liner lath 214, the second delivery chute group 30, middle plate 31, lower plate 32, Tail 40, bearing block 42, ear-pull seat 421, sprocket shaft group 43, sprocket spindle 431, sprocket body 432, is fixed at fixing groove 41 Frame 44, engaging slot 441, movable liner plate 45, segmental arc 451, interlude 452, linkage section 453, fastening end 4531, fixing seat 46, It opens chain apparatus 47, pumping plant 471, tensioning hydro-cylinder 472, derailleur 48, lead screw assembly 49, clamping screw 4100, protective chain 4110, move Power portion 50, flight chain 60, scraper plate body 70, intermediate channel bracket group 80, capping cover board group 90.

Specific embodiment

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing.

Referring to Fig. 1 to Fig. 9, it is defeated that the utility model embodiment provides a kind of medium and heavy Distribution Warehouse scraper plate for washing coal works Send machine, the Distribution Warehouse drag conveyor include head 10, multiple first delivery chute groups 20, multiple second delivery chute groups 30, tail 40, Power part 50, flight chain 60, scraper plate body 70, head 10, multiple first delivery chute groups 20, multiple second delivery chute groups 30, Tail 40 joins end to end, wherein the first delivery chute group 20 is alternately arranged with the second delivery chute group 30, and the two sides of head 10 may be selected Power part 50 is installed, for driving the Distribution Warehouse drag conveyor inside strake chain 60 and scraper plate body 70 to operate, first Delivery chute group 20 or the second delivery chute group 30, which are supported, to be installed in intermediate channel bracket group 80, and the first delivery chute group 20 or the second is defeated The capping cover board group 90 that certain slope is equipped at the top of slot group 30 is sent, the first delivery chute group 20 includes bottom plate group 21, bottom plate group 21 Including the first bottom lining plate 211, the second bottom lining plate 212, flashboard 213, bottom liner lath 214, the first bottom lining plate 211 is stacked in the second bottom The top of liner plate 212 is equipped with the first unloading port 2111 on the first bottom lining plate 211, and second is equipped on the second bottom lining plate 212 and is unloaded Mouth 2121 is carried, the first unloading port 2111 is overlapped with 2121 center line of the second unloading port, the length and width of the first unloading port 2111 2121 length and width of respectively less than the second unloading port, the length and width of flashboard 213 be all larger than 2121 length of the second unloading port and Width, flashboard 213 are covered on the second unloading port 2121 from 21 bottom outside of bottom plate group, and bottom liner lath 214 is in I-shaped, bottom liner 214 level of lath is overlapped on the first bottom lining plate 211 of the left and right sides of the first unloading port 2111, the upper table of bottom liner lath 214 Face is concordant with the upper surface of the first bottom lining plate 211, and tail 40 includes fixing groove 41, bearing block 42, sprocket shaft group 43, fixed frame 44, movable liner plate 45, fixing seat 46, chain apparatus 47, sprocket shaft group 43 include sprocket spindle 431, sprocket body 432, are fixed The inner cavity two sides of slot 41 are respectively arranged with the track of groove-like, and the both ends of sprocket spindle 431 are rotated with a bearing block 42 respectively Connection, the protruding portion to match with the track of above-mentioned groove-like is provided in the bottom of bearing block 42, bearing block 42 is slidably installed In on track, so that bearing block 42 moves left and right along the track, the both ends of sprocket spindle 431 are respectively equipped with a sprocket body 432, It is surrounded with flight chain 60 in the sprocket body 432 of two sides, the scraper plate being parallel to each other is installed between two flight chains 60 Ontology 70, flight chain 60 include upper chain strand, lower chain section, are equipped with fixed frame 44 on the top of 41 inside of fixing groove, Gu Determine the left end connection of the middle plate 31 of right end the second delivery chute group 30 adjacent thereto of frame 44, the upper surface of fixed frame 44 and middle plate 31 upper surface is concordant, the operation of the scraper plate body 70 for supporting upper chain strand and being installed in upper chain strand, fixing groove 41 bottom walls are connect with the lower plate 32 of the second delivery chute group 30, under the upper surface of 41 bottom wall of fixing groove and the second delivery chute group 30 The upper surface of bottom plate 32 is concordant, the scraper plate body that 41 bottom wall of fixing groove is used to support lower chain section and is installed in lower chain section 70, movable liner plate 45 is mounted on the bearing block 42 of 41 two sides of fixing groove, movable liner plate 45 includes the segmental arc being sequentially connected 451, interlude 452, linkage section 453, segmental arc 451 are free end, and the right end of linkage section 453 can live with the left end of fixed frame 44 Dynamic to be connected together, movable liner plate 45 is arranged along 60 traffic direction of flight chain, the upper surface shape and sprocket body of segmental arc 451 432 root position circumferential shapes are corresponding, are used to support the operation for the scraper plate body 70 being installed in upper chain strand, interlude 452, The upper surface of linkage section 453 is horizontally disposed, and concordant with the upper surface of fixed frame 44, and interlude 452, linkage section 453 are for branch The operation of upper chain strand and the scraper plate body 70 being installed in upper chain strand is supportted, 453 right part of linkage section is U-shaped, linkage section 453 include that there are two engaging slots for setting on two fastening ends 4531, with the fixed frame 44 of two fastening ends, 4531 corresponding position 441, movable liner plate 45 moves left and right, and fastening end 4531 moves left and right in engaging slot 441, in the fixed peace in the left end of fixing groove 41 Equipped with fixing seat 46, chain apparatus 47 is installed in fixing seat 46, ear-pull seat 421 is installed on bearing, chain apparatus 47 telescopic end and ear-pull seat 421 is hinged, to drive the bearing block 42 of corresponding position along fixing groove 41 by chain apparatus 47 Track move left and right.

Referring to figs. 5 and 6, in former design, the length and width of the first unloading port 2111 is all larger than or is equal to the second unloading In the case where mouthful 2121 length and widths, material enters the gap between the first bottom liner and the second bottom liner along the direction P, leads to the There is arching upward for part in the upper surface of one bottom liner, causes operation swipe, scraper plate body 70, the damage of the first bottom lining plate 211.

The beneficial effect of the technical program is: the length and width of the first, the first unloading port 2111 is respectively less than second and unloads In the case where carrying 2121 length and width of mouth, during material is moved along the direction P, is thrown under material, the first bottom will not be entered Gap between lining and the second bottom liner, there is arching upward for part in the upper surface for avoiding the first bottom liner, and operation is caused to scrape Card, scraper plate body 70, the damage of the first bottom lining plate 211, meets the requirement of large conveying quantity, the transport of long haul distance；Second, it is installed on bearing Movable liner plate 45 on seat 42 can keep 60 chain road of flight chain complete, continuous during sprocket shaft group 43 is mobile, protect The normal operation of flight chain 60 is demonstrate,proved；Third, movable liner plate 45 can make the upper chain strand and upper chain strand of flight chain 60 Remain horizontal, the upper chain strand and lower chain section of flight chain 60 are remained to be in and be put down into the state cleared, scraper chain Item 60 is remained unchanged with the gear teeth that engage of sprocket body 432, is avoided two sprocket bodies, 432 discontinuity equalization and is led to the gear teeth, axis Hold, 60 frequent breakage of flight chain the problem of；4th, movable liner plate 45 is installed on bearing block 42, is formed entirety, is being moved through Cheng Zhong, movable liner plate 45 and the gap of sprocket body 432 remain constant, the upper chain strand and lower chain section of flight chain 60 It remains in putting down into the state cleared, the foreign matters such as coarse coal, spoil can be prevented to be mixed in flight chain 60 and sprocket body Chain is caused to take off the accidents such as chain between 432.

Referring to Fig. 7, further, the cornerite that encloses of flight chain 60 and sprocket body 432 is equal to 180 °.

Flight chain 60 and the cornerite that encloses of sprocket body 432 are designed equal to 180 °, can guarantee upper chain strand and lower chain section Between keeping parallelism, guarantee flight chain 60 engagement it is normal.

Referring to Fig. 7, further, derailleur 48 is fixedly installed on bearing block 42, derailleur 48 is close to sprocket body 432 Setting, and it is installed on the lower chain section of flight chain 60.

The tension of lower chain section is smaller, and flight chain 60 is more loose, and derailleur 48 is arranged in this position can be by flight chain 60 It is separated from each other, guarantees that equipment operates normally.

Further, bearing block 42 is upper and lower split type structure.

Convenient for disassembly and assembly compared with upper press cover formula bearing block 42, linking intensity is high, it is not easy to corrode, structure stress is good.

Referring to Fig. 7 and Fig. 9, further, lead screw assembly 49 is installed in the left end of fixing groove 41, lead screw assembly 49 is to left end Extend or shunk to right end, with the relative position to lock or unlock bearing block 42 Yu fixing groove 41.

Referring to Fig. 9, further, it is equipped with location hole in the bottom of bearing block 42, the fixing groove 41 in location hole corresponding position On be also equipped with clamping screw 4100, clamping screw 4100 is detachably connected with location hole.

Referring to Fig. 9, further, it is also equipped with protective chain 4110 in fixing groove 41, one end of protective chain 4110 and solid Determine the connection of slot 41, one end of protective chain 4110 and flight chain 60 detachably bolt.

Further, tail 40 further includes controller, lubricating structure, is additionally provided in bearing block 42 for detecting in bearing block 42 The temperature sensor of bearing temperature, temperature sensor are connect with controller, controller and lubricating structure with connect.

Further, opening chain apparatus 47 is turbine and worm screw structure.

Referring to Fig. 7 and Fig. 9, further, chain apparatus 47 includes pumping plant 471, tensioning hydro-cylinder 472, and pumping plant 471 is for driving Tensioning hydro-cylinder 472 is flexible, and the fixing end of tensioning hydro-cylinder 472 is fixed in fixing seat 46, and the telescopic end of tensioning hydro-cylinder 472 and drawing move Ear mount 421 is hinged.

For above-mentioned pumping plant 471 for example, by using manual pump, tensioning hydro-cylinder 472 is, for example, that hydraulic jack specifically gives one here Kind of the simple hydraulic jack formula of structure opens chain apparatus 47 manually, using the flexible of manual pump control hydraulic jack, hydraulic thousand Control Distribution Warehouse scraper conveyor tail 40 in jin top is mobile, achievees the purpose that a chain, using the principle of hydraulic-driven, completes Distribution Warehouse and scrapes 40 hydraulic tensioning of plate conveyer tail, smooth running, reliability are higher.

Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted Subtract.

Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still falls within the scope of the utility model.

Claims (10)

1. a kind of medium and heavy Distribution Warehouse drag conveyor for washing coal works, it is characterised in that: the Distribution Warehouse drag conveyor includes Head, multiple first delivery chute groups, multiple second delivery chute groups, tail, power part, flight chain, scraper plate body are head, more A first delivery chute group, multiple second delivery chute groups, tail join end to end, wherein the first delivery chute group and the second delivery chute group Be alternately arranged, the two sides of head are selectable to be equipped with power part, for drive the Distribution Warehouse drag conveyor inside strake chain with And scraper plate body operating, the first delivery chute group or the second delivery chute group are supported and are installed in intermediate channel bracket group, the first conveying The capping cover board group of certain slope is installed at the top of slot group or the second delivery chute group, the first delivery chute group includes bottom plate group, The bottom plate group includes the first bottom lining plate, the second bottom lining plate, flashboard, bottom liner lath, and the first bottom lining plate is stacked in the second bottom lining plate Top, on the first bottom lining plate be equipped with the first unloading port, on the second bottom lining plate be equipped with the second unloading port, the first unloading port with Second unloading port center line is overlapped, and the length and width of the first unloading port is respectively less than the second unloading port length and width, flashboard Length and width is all larger than the second unloading port length and width, and flashboard is covered on the second unloading port from bottom plate group bottom outside, Bottom liner lath is in I-shaped, and bottom liner lath level is overlapped on the first bottom lining plate of the left and right sides of the first unloading port, bottom lining plate The upper surface of item is concordant with the upper surface of the first bottom lining plate, the tail include fixing groove, bearing block, sprocket shaft group, fixed frame, Movable liner plate, fixing seat, chain apparatus, the sprocket shaft group include sprocket spindle, sprocket body, the inner cavity two sides point of fixing groove It is not provided with the track of groove-like, the both ends of sprocket spindle are rotatablely connected with a bearing block respectively, set in the bottom of bearing block It is equipped with the protruding portion to match with the track of above-mentioned groove-like, the bearing block is slidably mounted on track, so that bearing block edge Track moves left and right, and the both ends of sprocket spindle are respectively equipped with a sprocket body, is surrounded with scraper plate in the sprocket body of two sides Chain, is equipped with the scraper plate body being parallel to each other between two flight chains, and flight chain includes upper chain strand, lower chain section, Top on the inside of fixing groove is equipped with fixed frame, the left end of the middle plate of the right end of fixed frame the second delivery chute group adjacent thereto Connection, the upper surface of fixed frame is concordant with the upper surface of middle plate, for supporting upper chain strand and being installed in upper chain strand The operation of scraper plate body, fixing groove bottom wall are connect with the lower plate of the second delivery chute group, the upper surface of fixing groove bottom wall and second The upper surface of the lower plate of delivery chute group is concordant, and fixing groove bottom wall is used to support lower chain section and is installed in lower chain section Scraper plate body, is mounted on movable liner plate on the bearing block of fixing groove two sides, movable liner plate include the segmental arc being sequentially connected, in Between section, linkage section, segmental arc is free end, the right end of the linkage section and left end of fixed frame is movable is connected together, movable liner plate Arrange that the upper surface shape of segmental arc is corresponding to sprocket body root position circumferential shapes, is used for along flight chain traffic direction The operation for the scraper plate body being installed in upper chain strand is supported, interlude, the upper surface of linkage section are horizontally disposed, and and fixed frame Upper surface it is concordant, the fortune of scraper plate body that interlude, linkage section are used to support upper chain strand and are installed in upper chain strand Row, linkage section right part are U-shaped, and linkage section includes being arranged on two fastening ends, with the fixed frame of two fastening ends corresponding position There are two engaging slot, movable liner plate is moved left and right, and fastening end moves left and right in engaging slot, is fixedly mounted in the left end of fixing groove There is fixing seat, a chain apparatus is installed in fixing seat, ear-pull seat is installed on bearing, the telescopic end of chain apparatus and drawing Shifting ear mount is hinged, to drive a bearing block for corresponding position to move left and right along the track of fixing groove by chain apparatus.

2. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: the scraper plate Chain and the cornerite that encloses of sprocket body are equal to 180 °.

3. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: in bearing block On be fixedly installed with derailleur, derailleur is arranged close to sprocket body, and is installed on the lower chain section of flight chain.

4. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: the bearing Seat is upper and lower split type structure.

5. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: in fixing groove Left end lead screw assembly is installed, lead screw assembly extends to left end or shrinks to right end, with to lock or unlock bearing block and consolidate Determine the relative position of slot.

6. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: in bearing block Bottom be equipped with location hole, clamping screw, clamping screw and location hole are also equipped in the fixing groove of location hole corresponding position It is detachably connected.

7. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: in fixing groove On be also equipped with protective chain, one end of protective chain is connect with fixing groove, and one end of protective chain is detachably bolted with flight chain.

8. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: the tail Further include controller, lubricating structure, is additionally provided with the temperature sensor for detecting bearing in bearing block temperature in bearing block, it is described Temperature sensor is connect with controller, controller and lubricating structure with connect.

9. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: described chain Device is turbine and worm screw structure.

10. being used for the medium and heavy Distribution Warehouse drag conveyor in washing coal works as described in claim 1, it is characterised in that: described Chain apparatus includes pumping plant, tensioning hydro-cylinder, and the pumping plant for driving tensioning hydro-cylinder flexible, fix by the fixing end of the tensioning hydro-cylinder In in fixing seat, the telescopic end and ear-pull seat of tensioning hydro-cylinder are hinged.