CN219238286U - Split chain wheel of pipe chain type conveyor - Google Patents
Split chain wheel of pipe chain type conveyor Download PDFInfo
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- CN219238286U CN219238286U CN202320317485.1U CN202320317485U CN219238286U CN 219238286 U CN219238286 U CN 219238286U CN 202320317485 U CN202320317485 U CN 202320317485U CN 219238286 U CN219238286 U CN 219238286U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a split chain wheel of a tube chain conveyor, which comprises a chain toothed plate, a left hub and a right hub, wherein the left hub is provided with a left flange, the right hub is provided with a right flange, the left hub and the right hub are respectively arranged at two sides of the chain toothed plate, the left flange and the right flange clamp the chain toothed plate through bolts, the chain toothed plate is split type chain toothed plate which is divided into a left chain toothed plate and a right chain toothed plate with the same structure along a split line, and the left chain toothed plate and the right chain toothed plate are rotated for 180 degrees and are symmetrical by taking the axis of a central hole of the chain toothed plate as a symmetrical central line. When left and right wheel hub and sprocket board equipment, sprocket board is held in the middle by the flange and compresses tightly through the bolt for wheel hub presss from both sides tight sprocket board, wheel hub flange face and sprocket board both sides face contact, produces the frictional force of multiple and avoids sprocket board not hard up, has also avoided the potential safety hazard that the bolt only receives the shearing force, and rotationally symmetrical split sprocket board can play the positioning action after the equipment, makes things convenient for the equipment and the maintenance of sprocket to change.
Description
Technical field:
the utility model belongs to the technical field of pipe chain conveying equipment, and particularly relates to a split chain wheel of a pipe chain conveyor used when bulk grain enters and exits a horizontal warehouse.
The background technology is as follows:
the horizontal warehouse is a main grain storage warehouse in China, at present, when the horizontal warehouse is subjected to warehouse entering and exiting operation, the operation is usually realized by mutually overlapping a plurality of movable belt conveyors, grain materials are moved onto the overlapped belt conveyors, the mutually overlapped belt conveyors are utilized to load or remove the grain materials into or from the horizontal warehouse, the warehouse entering and exiting operation of the horizontal warehouse is realized, and the horizontal warehouse entering and exiting operation mode has the problems of high labor intensity, serious dust pollution, poor operation environment, low automation degree, low operation efficiency and the like. Therefore, the technical staff develops a tube chain conveyor for conveying grains, which has the advantages of light dead weight, low energy consumption, good sealing performance, more flexible arrangement and the like, and can adopt various arrangement forms such as planar ring arrangement in a bin, planar ring arrangement on a bin top, planar ring arrangement in a bin, movable arrangement in a bin and the like, thereby better realizing the mechanical conveying function of bulk grain entering and exiting the bin of the horizontal warehouse, and further improving the efficiency of entering and exiting the bin of the horizontal warehouse.
The pipe chain type conveyer for grain conveying is characterized by that in the closed pipeline, the chain and chain wheel which are mutually matched are used as driving component, on the chain a scraper is set, and the chain can be used for driving scraper to move along the closed pipeline so as to push grain material in the closed pipeline to move, so that it can implement conveying of grain material. The chain wheel is a main transmission part of the tube chain type conveyor, the driving chain wheel drives the whole chain to transmit through transmission power, the driven chain wheel is responsible for winding in, winding out and redirecting of the chain, the chain wheel rotates in bulk grain for a long time in the process of conveying grain, collision friction is generated between the bulk grain and the chain wheel, the chain wheel is easy to be seriously worn, pitch change and equipment vibration increase are caused after the chain wheel is worn, and the chain wheel needs to be replaced in time. The pipe chain conveyor runs in a closed pipeline, and the closed structure causes difficult replacement of the chain wheel and inconvenient operation. For this reason, technical staff has developed split sprocket, with whole sprocket subdivision into two half structures, takes out in the airtight space when making things convenient for the sprocket to change, however, current split sprocket mostly all is along the axial subdivision of wheel hub, this just leads to only relying on bolt shear force to fix the sprocket pinion rack after the equipment, causes not hard up inefficacy easily in the use, influences the chain operation, and then influences the cooperation and the life of steering sprocket and chain, influences tube chain conveyor's performance and life.
The utility model comprises the following steps:
in summary, in order to overcome the defects of the prior art, the split type chain wheel of the pipe chain conveyor is provided by the utility model, the hub of the chain wheel of the pipe chain conveyor is radially split into two parts, the sprocket plate of the chain wheel of the pipe chain conveyor is split into two parts which are rotationally symmetrical, when the hub and the sprocket plate are assembled, the sprocket plate is clamped in the middle by two hub flanges and is tightly pressed by bolts, so that the hub clamps the sprocket plate, the hub flange surface is contacted with the two side surfaces of the sprocket plate, the multiplied friction force is generated to avoid loosening of the sprocket plate, the potential safety hazard that the bolts are only subjected to shearing force is also avoided, and the rotationally symmetrically split sprocket plate can play a role in positioning after the assembly, thereby facilitating the assembly, maintenance and replacement of the chain wheel.
In order to solve the technical problems, the technical scheme of the utility model is realized as follows:
a split sprocket for a tube chain conveyor, wherein: including sprocket board, left wheel hub and right wheel hub, left wheel hub on be provided with left flange, right wheel hub is last to be provided with right flange, left wheel hub and right wheel hub arrange respectively in sprocket board both sides, left flange and right flange pass through bolt clamping sprocket board, sprocket board be split type sprocket board, it divide into left sprocket board and right sprocket board that the structure is the same along the split line, left sprocket board and right sprocket board use the axis of the centre bore of sprocket board to rotate 180 symmetry as the symmetry central line.
Further, the split line include upper inclined part, vertical portion and lower inclined part, vertical portion and the vertical central line coincidence of chain pinion rack, upper inclined part and lower inclined part be located the left and right sides of vertical portion respectively, and upper inclined part and lower inclined part use the axis of centre bore to rotate 180 symmetrical arrangement as the symmetry central line, upper end point of upper inclined part be located the midpoint of tooth's socket A tank bottom pitch arc, upper end point and vertical portion's upper end point coincidence, lower inclined portion's upper end point and vertical portion's lower end point coincidence, lower inclined portion's lower end point be located the midpoint of tooth's socket B tank bottom pitch arc, tooth's socket A and tooth's socket B use the axis of centre bore to rotate 180 symmetrical arrangement as the symmetry central line.
Further, left wheel hub include left wheel hub body, left flange, tight hole and left key connecting hole expand, left wheel hub body on be provided with left flange, this internal expansion hole and the left key connecting hole that are used for connecting the transmission shaft that is provided with coaxial arrangement and intercommunication each other of left wheel hub, the tight hole of expanding expand through the tight cover of expansion and connect the transmission shaft, the internal diameter of the tight hole of expanding is greater than the internal diameter of left key connecting hole, left key connecting hole on be provided with left keyway.
Further, right wheel hub include right wheel hub body, right flange and right key connecting hole, right wheel hub body on be provided with right flange, this internal right key connecting hole that is used for connecting the transmission shaft that is provided with of right wheel hub, the aperture in right key connecting hole is the same with the aperture in left key connecting hole of left wheel hub, right key connecting hole and the right keyway that left keyway structural dimension is the same of left wheel hub.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the hub of the chain wheel of the tube chain conveyor is radially split into two parts, the sprocket plate of the chain wheel of the tube chain conveyor is split into two parts which are rotationally symmetrical, and when the hub and the sprocket plate are assembled, the sprocket plate is clamped in the middle by the two hub flanges and is tightly pressed by the bolts, so that the hub clamps the sprocket plate, the hub flange surface is contacted with the two side surfaces of the sprocket plate to generate multiplied friction force to avoid loosening of the sprocket plate, the potential safety hazard that the bolts are only subjected to shearing force is avoided, and the rotationally symmetrical split sprocket plate can play a role in positioning after being assembled, thereby facilitating assembly, maintenance and replacement of the chain wheel.
2. The right hub is connected with the transmission shaft in a key manner, the left hub is connected with the transmission shaft in an expansion manner through the expansion sleeve, the key connection can bear larger torque, the expansion connection is realized, and the quick replacement of the chain toothed plate can be realized by removing the expansion sleeve.
3. The utility model has simple structure, convenient use and low cost, and can effectively solve the problems of quick abrasion and difficult replacement of the chain wheel of the traditional pipe chain type conveyor, thereby effectively ensuring the conveying efficiency of the pipe chain type conveyor, reducing the maintenance times and time, and effectively reducing the cost.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of A-A cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the structure of the sprocket plate of the present utility model;
FIG. 4 is a schematic view of the left hub of the present utility model;
fig. 5 is a schematic structural view of the right hub of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a split sprocket of a tube chain conveyor, wherein: including sprocket 1, left wheel hub 2 and right wheel hub 3, left wheel hub 2 include left wheel hub body 21, left flange 22, tight hole 23 and left key connecting hole 24 expand, left wheel hub body 21 on be provided with left flange 22, left wheel hub body 21 in be provided with the tight hole 23 that expands and left key connecting hole 24 that is used for connecting the transmission shaft that coaxial arrangement and intercommunication each other used for, tight hole 23 expands tightly through tight cover 7 and connects the transmission shaft that expands, the internal diameter of tight hole 23 expands is greater than the internal diameter of left key connecting hole 24, left key connecting hole 24 on be provided with left keyway 25. The right hub 3 comprises a right hub body 31, a right flange 32 and a right key connecting hole 33, wherein the right flange 32 is arranged on the right hub body 31, the right hub body 31 is internally provided with the right key connecting hole 33 for connecting a transmission shaft, the aperture of the right key connecting hole 33 is the same as that of the left key connecting hole 24 of the left hub 2, and the right key connecting hole 33 and the left key groove 25 of the left hub 2 are the right key groove 34 with the same structural size. The left hub 2 and the right hub 3 are respectively arranged at two sides of the sprocket plate 1, the left flange 22 and the right flange 32 clamp the sprocket plate 1 through bolts, the sprocket plate 1 is a high-strength nylon sprocket plate and is of a split structure, the sprocket plate is divided into a left sprocket plate and a right sprocket plate which are identical in structure along a split line 4, and the left sprocket plate and the right sprocket plate are rotationally symmetrical by 180 degrees by taking the axis of a central hole of the sprocket plate 1 as a symmetrical central line. The split line 4 comprises an upper inclined part 41, a vertical part 42 and a lower inclined part 43, wherein the vertical part 42 is overlapped with the vertical center line of the sprocket plate 1, the upper inclined part 41 and the lower inclined part 43 are respectively positioned at the left side and the right side of the vertical part 42, the upper inclined part 41 and the lower inclined part 43 are symmetrically arranged by rotating 180 degrees by taking the axis of a central hole as a symmetrical center line, the upper end point of the upper inclined part 41 is positioned at the midpoint of a groove bottom arc line of the tooth groove A5, the lower end point of the upper inclined part 41 is overlapped with the upper end point of the vertical part 42, the upper end point of the lower inclined part 43 is overlapped with the lower end point of the vertical part 42, the lower end point of the lower inclined part 43 is positioned at the midpoint of a groove bottom arc line of the tooth groove B6, and the tooth groove A5 and the tooth groove B6 are symmetrically arranged by rotating 180 degrees by taking the axis of the central hole as the symmetrical center line.
The sprocket plate 1 of the utility model can be a high-strength nylon sprocket plate and also can be a metal sprocket plate, the sprocket plate 1 in the embodiment adopts the high-strength nylon sprocket plate, because compared with the metal sprocket plate, in the collision friction process of grain materials and the metal sprocket plate, partial grain particles are broken due to collision friction to generate dust, and the environment of a closed pipeline is sealed, and the collision friction of a metal chain and the metal sprocket plate is easy to generate sparks, so that dust explosion risks in the closed pipeline are caused, and the utility model adopts the high-strength nylon sprocket plate, so that the dust is effectively avoided from being generated by grain breakage, and collision sparks are avoided, the dust explosion risks can be effectively avoided, and the high-strength Long Lianchi plate has the advantages of good wear resistance, large bearing capacity, impact resistance, no sparks, light weight and the like, and is more applicable to use under the condition of high-speed operation.
During use, as shown in fig. 2, during assembly, the right side of the left hub 2 and the left side of the right hub 3 are inserted into the central hole of the assembled sprocket plate 1, bolts penetrate into bolt holes on the left flange 22, the right flange 32 and the sprocket plate 1, finally, connecting bolts are screwed, then, a transmission shaft penetrates into the inner holes, the right hub 3 is connected with the transmission shaft in a key manner, the expansion sleeve 7 is arranged in the expansion hole 23 of the left hub 2, and finally, the expansion sleeve 7 is screwed. When the chain toothed plate 1 is seriously worn and needs to be replaced, loosening the expansion wires of the expansion sleeve 7, loosening bolts connecting the left flange 22, the right flange 32 and the chain toothed plate 1, taking out the left hub 2 and the chain toothed plate 1, finally installing the new chain toothed plate 1 and the left hub 2 on a transmission shaft, and finally, tightening the bolts and tightening the expansion wires of the expansion sleeve 7.
It should be noted that the above-mentioned embodiments are illustrative rather than limiting, and that those skilled in the art can substitute equivalents or other modifications made according to the prior art without departing from the spirit and scope of the present utility model, and are intended to be included in the scope of the claims.
Claims (4)
1. A split sprocket of a tube chain conveyor, characterized in that: including sprocket board (1), left wheel hub (2) and right wheel hub (3), left wheel hub (2) on be provided with left flange (22), right wheel hub (3) on be provided with right flange (32), left wheel hub (2) and right wheel hub (3) arrange respectively in sprocket board (1) both sides, left flange (22) and right flange (32) press from both sides tight sprocket board (1) through the bolt, sprocket board (1) be split type sprocket board, it divide into left sprocket board and right sprocket board that the structure is the same along split line (4), left sprocket board and right sprocket board use the axis of sprocket board (1) centre bore to be symmetry central line rotatory 180 symmetries.
2. The split sprocket of a tube chain conveyor of claim 1, wherein: the utility model provides a tooth socket B (6) axis be symmetrical 180 degrees symmetrical arrangement with the axis of centre bore, upper end point of upper slope (41) be located the midpoint of tooth socket A (5) tank bottom pitch arc, upper slope (41) lower end point and vertical portion (42) upper end point coincidence, lower slope (43) upper end point and vertical portion (42) lower end point coincidence, lower slope (43) lower end point be located the midpoint of tooth socket B (6) tank bottom pitch arc, tooth socket A (5) and tooth socket B (6) use the axis of centre bore to rotate 180 degrees symmetrical arrangement with the centre bore.
3. The split sprocket of a tube chain conveyor of claim 1, wherein: the left hub (2) comprises a left hub body (21), a left flange (22), an expansion hole (23) and a left key connecting hole (24), wherein the left flange (22) is arranged on the left hub body (21), the expansion hole (23) and the left key connecting hole (24) which are coaxially arranged and mutually communicated and used for connecting a transmission shaft are arranged in the left hub body (21), the expansion hole (23) is tightly connected with the transmission shaft through an expansion sleeve (7), the inner diameter of the expansion hole (23) is larger than the inner diameter of the left key connecting hole (24), and a left key groove (25) is formed in the left key connecting hole (24).
4. The split sprocket of a tube chain conveyor of claim 1, wherein: the right hub (3) comprises a right hub body (31), a right flange (32) and a right key connecting hole (33), wherein the right flange (32) is arranged on the right hub body (31), the right key connecting hole (33) used for connecting a transmission shaft is arranged in the right hub body (31), the aperture of the right key connecting hole (33) is identical to the aperture of a left key connecting hole (24) of the left hub (2), and the right key connecting hole (33) is identical to a right key groove (34) with the left key groove (25) of the left hub (2) in structural size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320317485.1U CN219238286U (en) | 2023-02-27 | 2023-02-27 | Split chain wheel of pipe chain type conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320317485.1U CN219238286U (en) | 2023-02-27 | 2023-02-27 | Split chain wheel of pipe chain type conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219238286U true CN219238286U (en) | 2023-06-23 |
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ID=86840367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320317485.1U Active CN219238286U (en) | 2023-02-27 | 2023-02-27 | Split chain wheel of pipe chain type conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219238286U (en) |
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2023
- 2023-02-27 CN CN202320317485.1U patent/CN219238286U/en active Active
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