CN212959719U

CN212959719U - Chain winding type meshing transmission structure

Info

Publication number: CN212959719U
Application number: CN202021699039.4U
Authority: CN
Inventors: 张伟明; 于广游
Original assignee: Shanghai Shengjian Environmental System Technology Co ltd
Current assignee: Shanghai Shengjian Environmental System Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-13
Anticipated expiration: 2030-08-14

Abstract

The utility model provides a chain wound engagement drive structure, reach the driven chain dish that is connected with slew bearing including drive sprocket, slew bearing, driven chain dish includes disc and the chain of winding in the outer fringe of disc, just chain and disc fixed connection, drive sprocket meshes with the chain mutually, the disc is connected with slew bearing, the disc is connected with the runner. Under the meshing of the driving sprocket and the chain and the supporting effect of the rotary bearing on the disc, when the driving sprocket rotates, the driving sprocket drives the chain and the disc to rotate together, and the disc drives the rotating wheel to rotate when rotating, so that the transmission function is realized, the transmission structure is simpler, the driven sprocket, the tensioning device and the like are not required to be arranged, and the manufacturing cost is reduced.

Description

Chain winding type meshing transmission structure

Technical Field

The utility model relates to a transmission structure especially relates to a chain wound form meshing transmission structure.

Background

Most of the existing organic waste gas treatment equipment adopts a rotating wheel for adsorption and concentration, and most of the rotating wheels adopt a chain transmission structure for rotation. As shown in fig. 1 and 2, the chain transmission structure includes a slewing bearing 91, a driven sprocket 92 fixed on an outer ring of the slewing bearing 91, a driving sprocket 94 connected with the driven sprocket 92 through a roller chain 93, and a tensioning device 95 contacting with the roller chain 93, the rotating wheel 96 is connected with the outer ring of the slewing bearing 91, the rotating wheel 96 is fixedly connected with an upper end face of the outer ring of the slewing bearing 91, the driven sprocket 92 is sleeved outside the outer ring of the slewing bearing 91, and the driving sprocket 94 drives the driven sprocket 92 and the outer ring of the slewing bearing 91 to rotate through the roller chain 93 engaged with the driving sprocket 94 when rotating, and finally drives the rotating wheel 96 to rotate. The chain transmission has a complex structure and a plurality of components, and particularly, the manufacturing cost is high due to the adoption of two chain wheels and the tensioning device. Therefore, it is an urgent technical problem to be solved by those skilled in the art to develop a runner transmission structure with simple structure and low manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a chain winding type meshing transmission structure with simple structure.

In order to achieve the above object, the utility model provides a chain wound form meshing transmission structure, include drive sprocket, slew bearing, and the driven chain dish that is connected with slew bearing, driven chain dish includes disc and the chain of winding in the outer fringe of disc, just chain and disc fixed connection, drive sprocket meshes with the chain mutually, the disc is connected with slew bearing, the disc is connected with the runner. Under the meshing of the driving sprocket and the chain and the supporting effect of the rotary bearing on the disc, when the driving sprocket rotates, the driving sprocket drives the chain and the disc to rotate together, and the disc drives the rotating wheel to rotate when rotating, so that the transmission function is realized, the transmission structure is simpler, the driven sprocket, the tensioning device and the like are not required to be arranged, and the manufacturing cost is reduced.

Furthermore, the chain comprises a plurality of outer chain plates and a plurality of inner chain links, the outer chain plates are connected with two adjacent inner chain links, extension parts are arranged on the outer chain plates, and the extension parts are fixedly connected with the circular discs. The extension part is arranged on the outer chain plate, and the fixed connection between the chain and the disc is realized by utilizing the fixed connection relation between the extension part and the disc, so that the connection structure is simple.

Further, the inner chain link includes the roller, the outer link plate includes along the axial interval distribution of roller, and is located the first outer link plate and the second outer link plate of roller both sides respectively, just all be equipped with the extension on first outer link plate and the second outer link plate, the extension that is located on the first outer link plate is first extension, the extension that is located on the second outer link plate is the second extension, first extension and second extension are located the both sides of disc respectively. The connection strength between the chain and the disc is enhanced by utilizing the connection relationship between the first extension part and the disc and the second extension part; and the first extension part and the second extension part are respectively positioned at two sides of the disc, and the position relation can effectively limit the moving amplitude of the chain relative to the disc.

Further, a backing plate is arranged between the first extension part or the second extension part and the disc. The gap between the first extension part or the second extension part and the disc is filled by the backing plate, and the moving amplitude of the chain relative to the disc is further limited.

Further, the extension is connected with the disc by a fastening screw. Adopt fastening screw to couple together extension and disc, not only be convenient for realize the equipment between chain and disc, and realized dismantling between chain and disc and be connected, be convenient for pull down the chain from the disc when needs to convenient maintenance.

Further, the extension is connected to the disc by two fastening screws. So as to enhance the connection strength between the extension part and the disc by using two fastening screws.

Furthermore, the disc is fixedly connected with an outer ring of the slewing bearing, and an inner ring of the slewing bearing is fixedly connected with the bottom plate. The inner ring of the slewing bearing is fixed and supported by the bottom plate, and the disc is conveniently and fixedly connected with the outer ring of the slewing bearing during assembly.

Further, the chain winding type meshing transmission structure further comprises a driving motor, and an output shaft of the driving motor is connected with the driving chain wheel. The driving motor is used for driving the driving chain wheel to rotate, and the driving motor is used as a power device, so that the driving chain wheel is convenient to maintain.

Drawings

Fig. 1 is a front view schematically showing a chain transmission structure in the prior art.

Fig. 2 is a schematic top view of a prior art chain transmission structure.

Fig. 3 is a schematic front view of the chain-winding type meshing transmission structure according to the embodiment of the present invention.

Fig. 4 is a schematic top view of the chain-winding type meshing transmission structure according to the embodiment of the present invention.

Fig. 5 is a schematic top view of the driven sprocket according to an embodiment of the present invention.

Fig. 6 is a partially enlarged view of the driven sprocket according to the embodiment of the present invention.

Fig. 7 is a schematic view of a connection structure between the first outer link plate, the second outer link plate, the inner link, the disc, and the spacer according to the embodiment of the present invention.

Fig. 8 is a schematic view of a connection structure of the inner link with the first outer link plate and the second outer link plate according to the embodiment of the present invention.

Description of the element reference numerals

1 second extension of drive sprocket 3232

2 slewing bearing 4 runner

3 driven chain wheel 41 mounting rack

31 disc 42 adsorbent module

32 chain 5 backing plate

321 outer chain plate 6 fastening screw

3211 first outer chain plate 7 bottom plate

3212 second outer chain plate 8 driving motor

322 inner chain link 91 slewing bearing

3221 roller 92 driven sprocket

3222 inner chain plate 93 roller chain

3223 Pin 94 drive sprocket

3224 Sleeve 95 tensioning device

323 extension 96 rotating wheel

3231 first extension part

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the modifications can be changed or adjusted without substantial technical changes and modifications.

As shown in fig. 3 and 4, the present embodiment provides a chain-winding type meshing transmission structure, which includes a driving sprocket 1, a slewing bearing 2, and a driven chain disc 3 connected to the slewing bearing 2, wherein the driven chain disc 3 includes a disc 31 and a chain 32 wound around the outer edge of the disc 31, the chain 32 is fixedly connected to the disc 31, the driving sprocket 1 meshes with the chain 32, the disc 31 is connected to the slewing bearing 2, and the disc 31 is connected to the runner 4. Under the meshing of drive sprocket 1 and chain 32, and the supporting action of slewing bearing 2 to disc 31, when drive sprocket 1 rotated, will drive chain 32 and disc 31 and rotate together, and disc 31 will drive runner 4 rotatory when rotatory, realized the transmission function, and this kind of transmission structure is simpler, need not to set up driven sprocket and tight device etc. that rises, has improved assembly efficiency to manufacturing cost has been reduced.

As shown in fig. 6, the chain 32 in this embodiment includes a plurality of outer link plates 321 and a plurality of inner links 322, the outer link plates 321 are connected to two adjacent inner links 322, the outer link plates 321 are provided with extension portions 323, and the extension portions 323 are fixedly connected to the circular disc 31. Thus, the extension part 323 is arranged on the outer chain plate 321, and the fixed connection between the chain 32 and the disc 31 is realized by the fixed connection relationship between the extension part 323 and the disc 31, so that the connection structure is simple. In addition, the sprocket teeth of the driving sprocket 1 are embedded in the inner links 322, or in the gap between two adjacent inner links 322, so that the driving sprocket 1 is meshed with the chain 32; when the driving sprocket 1 rotates, the disc 31 is rotated by the inner link 322, the outer link plate 321 and the extension part 323.

As shown in fig. 7 and 8, in the present embodiment, the inner link 322 includes a roller 3221, the outer link plate 321 includes a first outer link plate 3211 and a second outer link plate 3212 spaced apart along the axial direction of the roller 3221 and located on both sides of the roller 3221, and the first outer link plate 3211 and the second outer link plate 3212 are each provided with an extension 323, the extension 323 located on the first outer link plate 3211 is a first extension 3231, the extension 323 located on the second outer link plate 3212 is a second extension 3232, and the first extension 3231 and the second extension 3232 are located on both sides of the disc 31. So as to enhance the connection strength between the chain 32 and the disc 31 by utilizing the connection relationship between the first extension part 3231 and the second extension part 3232 and the disc 31; and the first extension portion 3231 and the second extension portion 3232 are respectively located at two sides of the disc 31, such a position relationship can effectively limit the moving amplitude of the chain 32 relative to the disc 31. In addition, as shown in fig. 8, in this embodiment, the inner link 322 specifically includes two rollers 3221 distributed at intervals along the circumferential direction of the disc 31, and the inner link 322 further includes two inner link plates 3222, two pin shafts 3223, and two sleeves 3224, the two inner link plates 3222 are respectively located at two sides of the rollers 3221, two ends of the pin shafts 3223 are respectively embedded in the two inner link plates 3222, the two sleeves 3224 are respectively sleeved on the two pin shafts 3223, and the two rollers 3221 are respectively sleeved outside the two sleeves 3224. During operation, the sprocket of the driving sprocket 1 is embedded between the two rollers 3221 of the inner link 322, and as the driving sprocket 1 rotates, the sprocket of the driving sprocket 1 applies a pushing force to the rollers 3221, so as to push the entire chain 32 and the disc 31 to rotate together, thereby driving the rotating wheel 4 to rotate.

As shown in fig. 7, a backing plate 5 is disposed between the first extension portion 3231 or the second extension portion 3232 and the disc 31 in this embodiment. So as to fill up the gap between the first extension portion 3231 or the second extension portion 3232 and the disc 31 by the pad 5, and further limit the moving amplitude of the chain 32 relative to the disc 31.

As shown in fig. 6 and 7, the extension 323 is connected to the disc 31 by a fastening screw 6 in this embodiment. Adopt fastening screw 6 to be connected extension 323 and disc 31, not only be convenient for realize the equipment between chain 32 and disc 31, and realized dismantling between chain 32 and disc 31 and be connected, be convenient for when needs, pull down chain 32 from disc 31 to convenient maintenance.

As shown in fig. 6, the extension 323 is connected to the disc 31 by two fastening screws 6 in this embodiment. So that the coupling strength between the extension 323 and the disc 31 is enhanced by the two fastening screws 6. The chain 32 in this embodiment is embodied as an outside bent plate double hole chain. In addition, in the present embodiment, the fastening screw 6 is specifically a socket head cap screw.

As shown in fig. 3, in the present embodiment, the disc 31 is fixedly connected to the outer ring of the slewing bearing 2, and the inner ring of the slewing bearing 2 is fixedly connected to the bottom plate 7. So as to fix and support the inner ring of the slewing bearing 2 by the bottom plate 7 and facilitate the fixed connection of the disc 31 and the outer ring of the slewing bearing 2 during assembly.

In addition, specifically, the rotor 4 in the present embodiment includes a mounting bracket 41 and an adsorbent module 42 connected to the mounting bracket 41. The upper part of the disc 31 is connected with the mounting frame 41 of the runner 4, and the lower part of the disc 31 is fixedly connected with the outer ring of the slewing bearing 2.

As shown in fig. 3, the chain winding type meshing transmission structure in this embodiment further includes a driving motor 8, an output shaft of the driving motor 8 is connected to the driving sprocket 1, so as to drive the driving sprocket 1 to rotate by using the driving motor 8, and the driving motor 8 is used as a power device, which is convenient for maintenance.

To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a chain wound engagement drive structure, its characterized in that, includes driving sprocket (1), slewing bearing (2) and driven chain dish (3) that are connected with slewing bearing (2), driven chain dish (3) include disc (31) and winding chain (32) on the outer fringe of disc (31), just chain (32) and disc (31) fixed connection, driving sprocket (1) meshes with chain (32) mutually, disc (31) are connected with slewing bearing (2), disc (31) are connected with runner (4).

2. The chain wrap engagement drive structure of claim 1, wherein the chain (32) comprises a plurality of outer link plates (321) and a plurality of inner links (322), the outer link plates (321) are connected with two adjacent inner links (322), the outer link plates (321) are provided with extension portions (323), and the extension portions (323) are fixedly connected with the disc (31).

3. The structure of claim 2, wherein the inner link (322) comprises a roller (3221), the outer link plate (321) comprises a first outer link plate (3211) and a second outer link plate (3212) spaced apart from each other in the axial direction of the roller (3221) and located on both sides of the roller (3221), and the first outer link plate (3211) and the second outer link plate (3212) each have an extension (323), the extension (323) located on the first outer link plate (3211) is a first extension (3231), the extension (323) located on the second outer link plate (3212) is a second extension (3232), and the first extension (3231) and the second extension (3232) are located on both sides of the disc (31).

4. A chain-wound gearing structure according to claim 3, characterized in that a shim plate (5) is provided between said first extension (3231) or second extension (3232) and the disc (31).

5. A chain-wound gearing structure according to any of claims 2-4, characterized in that said extension (323) is connected to the disc (31) by means of a fastening screw (6).

6. A chain-wound gearing structure according to any of claims 2-4, characterized in that said extension (323) is connected to the disc (31) by means of two fastening screws (6).

7. A chain-wound intermeshing transmission structure as claimed in claim 1, wherein the disc (31) is fixedly connected to an outer ring of the slewing bearing (2), and an inner ring of the slewing bearing (2) is fixedly connected to the base plate (7).

8. The chain-winding type meshing transmission structure according to claim 1, further comprising a driving motor (8), wherein an output shaft of the driving motor (8) is connected with the driving sprocket (1).