阅读说明：本技术 一种便于组装的刮板输送机 (Scraper conveyor convenient to equipment ) 是由 陈学军 王林雨 亓萍 于 2020-12-26 设计创作，主要内容包括：本申请涉及一种便于组装的刮板输送机,涉及刮板输送机的领域,刮板输送机包括壳体,壳体包括沿物料移动方向依次设置的尾板、连接板、衔接板以及前板,尾板与连接板可拆卸连接,前板与衔接板可拆卸连接,连接板与衔接板可拆卸连接。尾板、连接板、衔接板以及前板之间的可拆卸连接,从而实现便于工作人员将链条套设在尾板、连接板、衔接板以及前板外侧,然后将尾板、连接板、衔接板以及前板连接,从而完成链条的安装,同时当尾板、连接板、衔接板或前板发生损坏时,工作人员可将损坏的部分直接拆下进行更换,从而便于壳体组装的同时,实现了降低刮板输送机维修成本的目的。(The utility model relates to a scraper conveyor convenient to equipment relates to scraper conveyor's field, and scraper conveyor includes the casing, and the casing includes tailboard, connecting plate, linkage plate and the front bezel that sets gradually along material moving direction, and the connection can be dismantled with the connecting plate to the tailboard, and the front bezel can be dismantled with the linkage plate and be connected, and the connecting plate can be dismantled with the linkage plate and be connected. Detachable connection between tailboard, connecting plate, linkage plate and the front bezel to the realization is convenient for the staff and overlaps the chain cover in the tailboard, the connecting plate, linkage plate and the front bezel outside, then with tailboard, connecting plate, linkage plate and front bezel connection, thereby accomplish the installation of chain, when tailboard, connecting plate, linkage plate or front bezel took place to damage simultaneously, the staff can directly pull down the part that damages and change, thereby when the casing equipment of being convenient for, realized reducing scraper conveyor cost of maintenance's purpose.)

1. The utility model provides a scraper conveyor convenient to equipment which characterized in that: including casing (800), casing (800) include tailboard (100), connecting plate (200), connection board (300) and front bezel (400) that set gradually along material moving direction, tailboard (100) can be dismantled with connecting plate (200) and be connected, front bezel (400) can be dismantled with connection board (300) and be connected, and connection board (200) can be dismantled with connection board (300) and be connected.

2. A scraper conveyor facilitating assembly according to claim 1, wherein: connecting plate (200) are connected through support frame (500) with linking plate (300), offer on support frame (500) along connecting plate (200) spout (510) that are close to linking plate (300) direction, fixedly connected with connecting axle (221) on connecting plate (200), connecting axle (221) slide with spout (510) and be connected, be connected with linking axle (321) on linking plate (300), linking axle (321) slides with spout (510) and is connected, support frame (500) top is erect and is used for accepting loading board (600) of material.

3. A scraper conveyor facilitating assembly according to claim 2, wherein: the vertical sections of the tail plate (100), the connecting plate (200), the connecting plate (300), the bearing plate (600) and the front plate (400) are all arranged to be H-shaped.

4. A scraper conveyor facilitating assembly according to claim 3, wherein: the connecting plate (200) comprises a first bearing sub-plate (210) and two connecting sub-plates (220), the two connecting sub-plates (220) are arranged at intervals in parallel, the first bearing sub-plate (210) is positioned between the two connecting sub-plates (220) and fixedly connected with the two connecting sub-plates (220) so that the cross section of the connecting plate (200) is H-shaped, the connecting plate (300) comprises a second bearing sub-plate (310) and two connecting sub-plates (320), the two connecting sub-plates (320) are arranged at intervals in parallel, the second bearing sub-plate (310) is positioned between the two connecting sub-plates (320) and fixedly connected with the two connecting sub-plates (320) so that the cross section of the connecting plate (300) is H-shaped, the bearing plate (600) comprises a bearing sub-plate (610) and two combining sub-plates (620), the two combining sub-plates (620) are arranged at intervals in parallel, and the bearing sub-plate (610, so that loading board (600) cross-section is H shape, and all seted up first sliding tray (222) on connecting daughter board (220) and linking daughter board (320) that lie in the chain with one side, be provided with on combination daughter board (620) and slide first sliding block (621) of being connected with first sliding tray (222), all seted up second sliding tray (322) on linking daughter board (320) and the combination daughter board (620) that lie in the chain with one side, be provided with on combination daughter board (620) with second sliding tray (322) sliding connection's second sliding block (622), be provided with on combination daughter board (620) be used for driving first sliding block (621), second sliding block (622) sliding distance with drive assembly (700).

5. The scraper conveyor of claim 4, wherein the scraper conveyor comprises: the driving assembly (700) comprises a driving gear (710) and two driving racks (720), the driving gear (710) is rotatably connected with a corresponding combined sub-board (620), the driving gear (710) is positioned between the two driving racks (720) and meshed with the driving racks (720), one driving rack (720) is fixedly connected with a first sliding block (621), the other driving rack (720) is fixedly connected with a second sliding block (621), and a locking piece for locking the rotating angle of the driving gear (710) is arranged on the combined sub-board (620).

6. The scraper conveyor of claim 5, wherein the scraper conveyor comprises: the locking piece is a locking bolt (711), and the locking bolt (711) is in threaded connection with the driving gear (710) and is abutted against the combined sub-plate (620).

7. The scraper conveyor of claim 6, wherein the scraper conveyor comprises: the connecting sub-board (220) is fixedly connected with a first supporting block (223), the side face, close to the driving rack (720) positioned on the same side of the chain, of the first supporting block (223) is provided with an inclined face, the inclined face inclines from the direction close to the driving rack (720) to the direction far away from the driving rack along the vertical upward direction, and the first supporting block (223) is positioned on the moving track of the driving rack (720); the connecting sub-plate (320) is fixedly connected with a second supporting block (323), the side face, close to the driving rack (720) located on the same side of the chain, of the second supporting block (323) is an inclined face, the inclined face inclines in the direction from the direction close to the driving rack (720) to the direction far away from the driving rack along the vertical upward direction, and the second supporting block (323) is located on the moving track of the driving rack (720).

8. The scraper conveyor of claim 7, wherein the scraper conveyor comprises: the supporting frame (500) is provided with a material guide plate (520), and the material guide plate (520) is arranged under the bearing plate (600) in an inclined mode.

Technical Field

The application relates to the field of scraper conveyors, in particular to a scraper conveyor convenient to assemble.

Background

The scraper conveyor is a conveyor which adopts a scraper chain as traction and conveys materials.

In the related art, as shown in fig. 1, the scraper conveyor includes a housing 800, a chain 810 and a plurality of scrapers 100, the housing 800 includes two vertical plates and a horizontal plate, the two vertical plates 850 are arranged in parallel at intervals, and the horizontal plate 840 is located between the two vertical plates 850 and is fixedly connected to the vertical plates 850. The chain 810 is formed by sleeving a plurality of chain links, and the plurality of scrapers 100 are fixedly connected with the chain 810. The chain 500 is in transmission connection with the housing 600, and the housing 800 is provided with a driving device 820 for driving the chain 810. The material drops to the diaphragm 840 on, control drive 820 for the chain 810 drives the scraper blade 830 and removes, thereby makes scraper blade 830 drive the material and removes, with the transportation of realization material.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: after the scraper conveyor runs for a long time, the transverse plate is easy to wear, so that the transverse plate is easy to leak, and therefore, in order to reduce material leakage, a worker detaches the shell and replaces the whole transverse plate, and the maintenance cost of the scraper conveyor is increased.

Disclosure of Invention

In order to reduce scraper conveyor's cost of maintenance, the application provides a scraper conveyor convenient to equipment.

The application provides a pair of scraper conveyor convenient to equipment adopts following technical scheme:

the utility model provides a scraper conveyor convenient to equipment, includes the casing, and the casing includes tailboard, connecting plate, linkage plate and the front bezel that sets gradually along material moving direction, the connection can be dismantled with the connecting plate to the tailboard, the front bezel can be dismantled with the linkage plate and be connected, and the connecting plate can be dismantled with the linkage plate and be connected.

By adopting the technical scheme, the connection dismantled between tailboard, the connecting plate, joint board and the front bezel to the staff of realizing being convenient for overlaps the chain in the tailboard, the connecting plate, joint board and the front bezel outside, then with tailboard, the connecting plate, joint board and front bezel connection, thereby accomplish the installation of chain, when the tailboard, the connecting plate, joint board or front bezel took place to damage simultaneously, the staff can directly pull down the part that damages and change, thereby when the casing equipment of being convenient for, realized reducing scraper conveyor cost of maintenance's purpose.

Optionally, the connecting plate passes through the support frame with the connection board and is connected, set up on the support frame along the connecting plate near the spout of connection board direction, fixedly connected with connecting axle on the connecting plate, the connecting axle slides with the spout and is connected, be connected with the linking axle on the connection board, the linking axle slides with the spout and is connected, the loading board that is used for accepting the material has been erect to support frame top.

By adopting the technical scheme, the connecting plates and the supporting frame are connected in a sliding manner, so that workers can adjust the distance between the connecting plates and the connecting plates, the workers can sleeve the chains on the outer sides of the connecting plates, the tail plates, the connecting plates and the front plates, then the connecting plates are connected with the tail plates, the connecting plates are connected with the front plates, and finally the bearing plate is erected above the supporting frame, so that the chains are tensioned.

Optionally, vertical sections of the tail plate, the connecting plate, the bearing plate and the front plate are all arranged in an H shape.

Through adopting above-mentioned technical scheme, the cross-section of tailboard, joint plate, connecting plate and front bezel all sets up to the H shape to make the material be difficult for dropping from tailboard, joint plate, connecting plate and front bezel.

Optionally, the connecting plate comprises a first receiving sub-plate and two connecting sub-plates, the two connecting sub-plates are arranged in parallel at intervals, the first receiving sub-plate is positioned between the two connecting sub-plates and fixedly connected with the two connecting sub-plates so as to enable the cross section of the connecting plate to be in an H shape, the connecting plate comprises a second receiving sub-plate and two connecting sub-plates, the two connecting sub-plates are arranged in parallel at intervals, the second receiving sub-plate is positioned between the two connecting sub-plates and fixedly connected with the two connecting sub-plates so as to enable the cross section of the connecting plate to be in an H shape, the bearing plate comprises a bearing sub-plate and two connecting sub-plates, the two connecting sub-plates are arranged in parallel at intervals, the bearing sub-plate is positioned between the two connecting sub-plates so as to enable the cross section of the bearing plate to be in an H shape, first sliding grooves are, the chain is located and all seted up the second sliding tray on linking daughter board and the joint daughter board of one side, be provided with the second sliding block with second sliding tray sliding connection on the joint daughter board, be provided with on the joint daughter board be used for driving first sliding block, second sliding block sliding distance with drive assembly.

Through adopting above-mentioned technical scheme, the setting of first sliding block and first sliding tray and second sliding block and second sliding tray is convenient for bear the daughter board and first accept alignment between the daughter board, the second accepts to make the material be difficult for bearing the daughter board and first accept to leave between the daughter board and the second accept the daughter board.

Optionally, the driving assembly comprises a driving gear and two driving racks, the driving gear is rotatably connected with the corresponding combined daughter board, the driving gear is located between the two driving racks and meshed with the driving racks, one driving rack is fixedly connected with the first sliding block, the other driving rack is fixedly connected with the second sliding block, and a locking piece used for locking the rotation angle of the driving gear is arranged on the combined daughter board.

Through adopting above-mentioned technical scheme, rotate drive gear for drive gear drives two drive racks and removes to the direction of keeping away from each other, thereby makes first sliding block be connected with the first sliding tray that is connected on the daughter board, and the second sliding block is connected with the second sliding tray that links up on the daughter board.

Optionally, the locking piece is a locking bolt, and the locking bolt is in threaded connection with the driving gear and abuts against the combined sub-plate.

Through adopting above-mentioned technical scheme, rotate locking bolt for locking bolt is contradicted with joint daughter board, thereby makes drive gear be difficult for continuing to take place to rotate.

Optionally, a first supporting block is fixedly connected to the connection sub-board, a side surface of the first supporting block, which is close to the driving rack located on the same side of the chain, is set as an inclined surface, the inclined surface is inclined from the side close to the driving rack to the side far from the driving rack along the vertical upward direction, and the first supporting block is located on the moving track of the driving rack; the connecting sub-plate is fixedly connected with a second supporting block, the side face, close to the driving rack located on the same side of the chain, of the second supporting block is an inclined face, the inclined face inclines from the side close to the driving rack to the side far away from the driving rack along the vertical upward direction, and the second supporting block is located on the moving track of the driving rack.

Through adopting above-mentioned technical scheme, the setting of second supporting shoe and first supporting shoe has further improved the plane degree that bears the weight of the daughter board and first accepting the daughter board, the side that the daughter board kept away from ground is accepted to the second.

Optionally, a material guide plate is arranged on the support frame, and the material guide plate is located under the bearing plate and is arranged in an inclined manner.

By adopting the technical scheme, the bearing plate is taken down, and the connecting plate are lifted by the staff, so that the two ends far away from the support frame rotate towards the directions close to each other, and the remaining materials on the connecting plate and the connecting plate fall onto the material guide plate and slide down along the material guide plate, thereby being convenient for the staff to clean.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the tail plate, the connecting plate and the front plate which are detachably connected facilitates the assembly of the shell by workers, and the aim of reducing the maintenance cost of the scraper conveyor is fulfilled;

2. the first sliding block is connected with the first sliding groove in a sliding mode, the second sliding block is connected with the second sliding groove in a sliding mode, the flatness between the bearing sub-plate and the first bearing sub-plate and between the bearing sub-plate and the second bearing sub-plate is improved, and therefore the retention of materials between the bearing sub-plate and the connecting position of the first bearing sub-plate and between the second bearing sub-plate and the bearing sub-plate is reduced;

3. due to the arrangement of the material guide plates, after workers rotate the connecting plates and the connecting plates, materials drop onto the material guide plates and slide down along the material guide plates, and therefore the workers can clean residual materials on the connecting plates and the connecting plates.

Drawings

FIG. 1 is a drawing of the related art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic illustration of a partial explosion of an embodiment of the present application;

fig. 4 is a schematic view of a support stand according to an embodiment of the present application.

Description of reference numerals: 100. a tail plate; 110. a first connecting lug; 120. a positioning edge; 200. a connecting plate; 210. a first receiving daughter board; 220. connecting the daughter board; 221. a connecting shaft; 222. a first sliding groove; 223. a first support block; 224. a second engaging lug; 300. a connector tile; 310. a second receiving daughter board; 320. connecting the daughter boards; 321. a connecting shaft; 322. a second sliding groove; 323. a second support block; 324. a second engaging lug; 400. a front plate; 410. a first engagement lug; 500. a support frame; 510. a chute; 520. a material guide plate; 600. a carrier plate; 610. a load bearing daughter board; 620. combining the daughter boards; 621. a first slider; 622. a second slider; 700. a drive assembly; 710. a drive gear; 711. a locking bolt; 712. a hand wheel; 720. a drive rack; 800. a housing; 810. a chain; 820. a drive device; 830. a squeegee; 840. a transverse plate; 850. a riser.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses scraper conveyor convenient to equipment. Referring to fig. 2, the scraper conveyor includes a housing 800, and the housing 800 includes a tail plate 100, a connecting plate 200, a joint plate 300, and a front plate 400, which are sequentially arranged in a material moving direction.

The cross sections of the tail plate 100, the connecting plate 200, the connecting plate 300 and the front plate 400 are all in an H shape, so that the tail plate 100, the connecting plate 200, the connecting plate 300 and the front plate 400 limit materials on the tail plate 100, the connecting plate 200, the connecting plate 300 and the front plate 400, and the materials are not prone to falling off from the shell.

Two first connecting lugs 110 are fixedly connected to one end, close to the connecting plate 200, of the tail plate 100, the two first connecting lugs 110 are located on two sides of the chain, two second connecting lugs 224 are fixedly connected to one end, close to the tail plate 100, of the connecting plate 200, and the two second connecting lugs 224 are located on two sides of the chain. The first connecting lug 110 and the second connecting lug 224 which are positioned on the same side of the chain are in one group, the first connecting lug 110 and the second connecting lug 224 of each group are detachably connected through a first bolt and a first nut, namely, a stud of the first bolt penetrates through the first connecting lug 110 and the second connecting lug 224 and is in threaded connection with the first nut, and a bolt head of the first bolt is abutted against the side wall of the first connecting lug 110 far away from the second connecting lug 224, so that the detachable connection of the tail plate 100 and the connecting plate 200 is realized.

Two first connecting lugs 410 are fixedly connected to one end, close to the connecting plate 300, of the front plate 400, the two first connecting lugs 410 are located on two sides of a chain, two second connecting lugs 324 are fixedly connected to one end, close to the front plate 400, of the connecting plate 300, the two second connecting lugs 324 are located on two sides of the chain, the first connecting lugs 410 and the second connecting lugs 324 located on the same side of the chain are in a group, each group of the first connecting lugs 410 and the second connecting lugs 324 are detachably connected through second bolts and second nuts, namely, studs of the second bolts penetrate through the first connecting lugs 410 and the second connecting lugs 324 and are in threaded connection with the second nuts, and bolt heads of the second bolts are abutted against side walls, far away from the second connecting lugs 324, of the first connecting lugs 410, so that the connecting plate 300 is detachably connected with the front plate 400.

Referring to fig. 3, the connection board 200 includes a first receiving sub-board 210 and two connection sub-boards 220, the two connection sub-boards 220 are arranged in parallel at intervals, and the first receiving sub-board 210 is located between the two connection sub-boards 220 and is fixedly connected with the two connection sub-boards 220, so that the cross-section of the connection board 200 is H-shaped. The connection plate 300 includes a second receiving sub-plate 310 and two connection sub-plates 320, the two connection sub-plates 320 are arranged in parallel at intervals, the second receiving sub-plate 310 is located between the two connection sub-plates 320 and is fixedly connected with the two connection sub-plates 320, so that the cross section of the connection plate 300 is H-shaped.

The connection plate 200 is connected to the connection plate 300 by a support bracket 500. The support frame 500 is provided with two sliding grooves 510 along the direction of the connecting plate 200 close to the connecting plate 300, the two connecting sub-plates 320 are both in threaded connection with connecting shafts 321, and the two connecting sub-plates 220 are both in threaded connection with connecting shafts 221. The sliding grooves 510, the connecting shafts 221 and the connecting shafts 321 are in one-to-one correspondence, the connecting shafts 221 and the connecting shafts 321 are connected with the corresponding sliding grooves 510 in a sliding mode, and the connecting shafts 221 and the connecting shafts 321 can rotate in the corresponding sliding grooves 510, so that one end, far away from the connecting plate 300, of the connecting plate 200 can rotate towards the direction close to or far away from the ground, and one end, far away from the connecting plate 200, of the connecting plate 300 can rotate towards the direction close to or far away from the ground.

When the staff rotated linkage plate 300 or connecting plate 200, the material that bonds on linkage plate 300 and the connecting plate 200 easily dropped to support frame 500 on, consequently for the convenience of staff's clearance support frame 500, fixedly connected with stock guide 520 on the support frame 500, and stock guide 520 is along vertical direction by being close to the direction slope setting far away from ground, and the one end that stock guide 520 free end and stock guide 520 are connected with support frame 500 is located the chain both sides to the stock guide 520 of being convenient for is derived the material.

After the worker completes the installation of the connecting plate 200, the connecting plate 300 and the supporting frame 500, a gap exists between the connecting plate 200 and the connecting plate 300, so that the materials are not easy to fall into the gap between the connecting plate 200 and the connecting plate 300 during the transportation, a bearing plate 600 erected above the supporting frame 500 is further arranged between the connecting plate 200 and the connecting plate 300, and the bearing plate 600 is located right above the material guide plate 520. The loading plate 600 includes a loading sub-plate 610 and two combined sub-plates 620, the two combined sub-plates 620 are arranged in parallel at intervals, and the loading sub-plate 610 is located between the two combined sub-plates 620 and is fixedly connected with the combined sub-plates 620, so that the cross section of the loading plate 600 is H-shaped. The two sides of the bearing plate 600 are respectively abutted against the corresponding connecting plate 200 and the corresponding connecting plate 300, so that the side of the bearing sub-plate 610 far from the ground and the side of the first bearing sub-plate 210 and the second bearing sub-plate 310 far from the ground have no height difference, and meanwhile, the combined sub-plate 620, the connecting sub-plate 220 and the connecting plate 300 which are positioned at the same side of the chain are flush with the side of the chain close to the connecting sub-plate.

Referring to fig. 3 and 4, in order to facilitate installation of the bearing plate 600 by an operator, the bearing plate 600 is aligned with the connection plate 200 and the connection plate 300, the connection sub-plate 220 and the connection sub-plate 620 located on the same side of the chain are correspondingly provided with first sliding grooves 222, the first sliding grooves 222 are T-shaped grooves, and the first sliding grooves 222 are formed along the material moving direction. The combined sub-board 620 is provided with a first sliding block 621 matched with the first sliding groove 222 in shape, and the first sliding block 621 is connected with the first sliding groove 222 in a sliding manner; the connecting sub-plate 320 and the combined sub-plate 620 which are positioned on the same side of the chain are correspondingly provided with a second sliding groove 322, the second sliding groove 322 is a T-shaped groove, the second sliding groove 322 is arranged along the material moving direction, the combined sub-plate 620 is provided with a second sliding block 622 matched with the second sliding groove 322 in shape, and the second sliding block 622 is connected with the second sliding groove 322 in a sliding manner. The joint sub-board 620 is provided with a driving assembly 700 for driving the first sliding block 621 and the second sliding block 622 to slide, so that the first sliding block 621 slides to a position connected with the first sliding groove 222 on the connection sub-board 220 under the action of the driving assembly 700, and the second sliding block 622 slides to a position connected with the second sliding groove 322 on the connection sub-board 320 under the action of the driving assembly 700.

The driving assembly 700 comprises a driving gear 710 and two driving racks 720, the driving gear 710 is rotatably connected with the corresponding united sub-plate 620, the two driving racks 720 are arranged in parallel at intervals, and the driving gear 710 is meshed with the two driving racks 720. One driving rack 720 is fixedly connected to the first sliding block 621, and the other driving rack 720 is fixedly connected to the second sliding block 622. The united sub-board 620 is provided with a locking member for locking a rotation angle of the driving gear 710. The locking member is a locking bolt 711, and the locking bolt 711 is in threaded connection with the driving gear 710 and then abuts against the combined sub-plate 620, so that the driving gear 710 is not easy to rotate continuously.

In order to facilitate the first sliding block 621 to slide along the first sliding groove 222, a gap is generally reserved between the groove wall of the first sliding groove 222 and the first sliding block 621, so as to further improve the flatness of the side surface of the bearing sub-board 610, the first bearing sub-board 210 and the second bearing sub-board 310 away from the ground, the first supporting block 223 is fixedly connected to the connection sub-board 220, one side of the first supporting block 223 close to the corresponding driving rack 720 is set as an inclined surface, the inclined surface inclines along the vertical upward direction from the direction close to the direction away from the driving rack 720, and the side surfaces of the driving rack 720 and the first supporting block 223 close to the driving rack 720 can be abutted.

In order to facilitate the sliding of the second sliding block 622 along the second sliding groove 322, a gap is generally left between the groove wall of the second sliding groove 322 and the second sliding block 622, and therefore, in order to further improve the flatness of the side surfaces of the load bearing sub-plate 610, the first load bearing sub-plate 210, and the second load bearing sub-plate 310, which are far away from the ground, a second supporting block 323 is fixedly connected to the connection sub-plate 320, one side of the second supporting block 323, which is close to the corresponding driving rack 720, is set as an inclined surface, the inclined surface is inclined from being close to the direction far away from the driving rack 720 along the vertical upward direction, and the side surfaces of the driving rack 720 and the second supporting block.

In order to facilitate the limitation of the casing to the scraper, two positioning edges 120 are fixedly connected to the ends, far away from the ground, of the tail plate 100, the connecting plate 200, the connecting plate 300 and the front plate 400, respectively, the two positioning edges 120 are located on two sides of the chain, and the positioning edges 120 extend towards the central line direction of the tail plate 100, the connecting plate 200, the connecting plate 300 and the front plate 400, which are close to the corresponding positions.

The implementation principle of the scraper conveyor convenient to assemble in the embodiment of the application is as follows: the front plate 400 is connected with the connection plate 300, the connection plate 200 is connected with the tail plate 100, then the support frame 500 is placed between the connection plate 200 and the connection plate 300, the connection shaft 221 is in threaded connection with the connection sub plate 220 and then penetrates into the sliding groove 510, the connection shaft 321 is in threaded connection with the connection sub plate 320 and then penetrates into the sliding groove 510, the connection plate 200 and the connection plate 300 are moved towards the direction close to each other, so that a worker can sleeve a chain on the front plate 400, the connection plate 300, the connection plate 200 and the tail plate 100, then the connection plate 200 and the connection plate 300 are moved towards the direction far away from each other, so that the chain is tightened, and then the bearing plate 600 is placed on the support frame 500. Rotating the hand wheel 712, make drive gear 710 rotate, thereby make two drive racks 720 that drive gear 710 corresponds drive corresponding first sliding block 621, the second sliding block 622 slides, it conflicts with first supporting block 223 or the second supporting block 323 that corresponds the side to make drive gear 710 correspond, thereby make and bear daughter board 610, first accepting daughter board 210 and the second and accepting one side alignment that the board kept away from ground, rotate locking bolt 711, make locking bolt 711 conflict with joint daughter board 620, make drive gear 710 difficult emergence antiport, when casing 800 takes place to destroy, the staff only need to be destroyed the corresponding part pull down change can, thereby realize reducing scraper conveyor cost of maintenance's purpose.

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.