Chain transmission device of traction machine
By designing the support and transmission components, the problems of difficult chain tension adjustment and deviation in traditional traction machine chain drive devices are solved, achieving stable and efficient chain drive, suitable for high-torque and high-speed material conveying.
Patent Information
- Application Number
- CN202520435918.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Traditional chain drive systems for traction machines suffer from problems such as difficulty in precisely adjusting chain tension, easy deviation, and low transmission efficiency, making it difficult to meet the production demands of high torque and high speed.
The design employs support and transmission components, including support parts, brackets, support plates, limiting plates, main shafts, main sprockets, sliding parts, secondary sprockets, chains, guide plates, and other structures. Through the cooperation of lead screws and sliding parts, and the setting of auxiliary sprockets, the chain tension can be adjusted, and the guide wheels and levers prevent deviation.
It achieves stability and reliability of chain drive, is suitable for material conveying under various working conditions, extends the service life of chain and sprocket, and improves transmission efficiency.
Smart Images

Figure CN223792322U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of traction machine technology, specifically relating to a traction machine chain drive device. Background Technology
[0002] In modern industrial production, traction machines are widely used in material handling, machining, and many other fields, and their performance directly affects production efficiency and product quality. Chain drive, as one of the core transmission methods of traction machines, undertakes the crucial tasks of transmitting power and achieving precise material traction. With the continuous improvement of industrial automation, various industries have placed higher demands on the working efficiency, stability, and reliability of traction machines.
[0003] Traditional chain drive systems for traction machines have gradually revealed a series of problems during actual operation. For example, chain tension is difficult to adjust precisely; if it is too loose, it can easily lead to tooth breakage or skipping, affecting transmission stability, while if it is too tight, it will accelerate the wear of the chain and sprockets, shortening the service life of the equipment. The chain is also prone to deviation during transmission, which not only reduces transmission efficiency but may also cause equipment failure. In addition, the power transmission efficiency of traditional devices is limited, making it difficult to meet the needs of some production scenarios with strict requirements for high torque and high speed. Utility Model Content
[0004] The purpose of this invention is to provide a traction machine chain drive device, which aims to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A traction machine chain drive device, comprising,
[0007] The support assembly includes a support member, a bracket fixedly connected to the end of the support member, a support plate mounted on the side wall of the bracket, and a limiting plate fixedly connected to the end of the support plate, wherein the bottom of the support plate is fixedly connected to the side wall of the support member.
[0008] The transmission assembly includes a main shaft rotatably mounted on the side wall of the support plate, a main sprocket fixedly connected to the middle of the main shaft, a sliding member slidably mounted at the middle position of the end of the support plate, a secondary sprocket rotatably mounted on the side wall of the sliding member, a chain adapted to be mounted on the side walls of the main sprocket and the secondary sprocket, and a guide plate fixedly connected to the side wall of the chain. The guide plate runs on the side wall of the support plate, and the guide plate is used in conjunction with the limiting plate.
[0009] As a preferred embodiment of the present invention, the transmission assembly further includes a fixing member fixedly connected to the side wall of the support plate, and a lead screw rotatably installed at the center of the fixing member, the end of the lead screw being threadedly connected to the side wall of the sliding member.
[0010] In a preferred embodiment of this utility model, the transmission assembly further includes a motor fixedly connected to the side wall of the support plate, and the output end of the motor is connected to the main shaft via a coupling.
[0011] As a preferred embodiment of the present invention, the transmission assembly further includes an adjustment plate rotatably mounted on the inner wall of the support plate, and an auxiliary sprocket rotatably connected to the end of the adjustment plate. The end of the auxiliary sprocket is connected to the main sprocket and the secondary sprocket via the chain.
[0012] As a preferred embodiment of the present invention, the transmission assembly further includes a lever rotatably mounted on the inner wall of the support plate, and a guide wheel rotatably connected to the end of the lever, the end of the guide wheel making rolling contact with the side wall of the chain.
[0013] As a preferred embodiment of the present invention, the transmission assembly further includes a tension spring fixedly connected to the side wall of the support plate, and the end of the tension spring is fixedly connected to the side wall of the lever.
[0014] As a preferred embodiment of the present invention, the transmission assembly further includes a handle bolt threaded to the side wall of the lever, the end of which is inserted into the middle of the through hole in the side wall of the support plate.
[0015] Compared with existing technologies, the beneficial effects of this utility model are as follows: Through the coordinated use of the support components and transmission components, the chain drive structure can achieve the transmission of larger torques, ensuring stable and reliable power output of the traction machine, and is suitable for material conveying under various working conditions. The cooperation between the lead screw and the sliding parts, as well as the setting of the auxiliary sprocket, allows for convenient and quick adjustment of the chain tension, extending the service life of the chain and sprocket, and improving transmission efficiency. The structural design of the guide wheel and lever effectively prevents the chain from deviating during transmission, ensuring the stability and reliability of chain operation. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a front structural diagram of the present invention;
[0019] Figure 3This is a side view of the present invention.
[0020] Figure 4 This is a schematic cross-sectional view of section AA of the present invention.
[0021] In the diagram: 100, Support assembly; 101, Support piece; 102, Bracket; 103, Support plate; 104, Limiting plate; 200, Transmission assembly; 201, Main shaft; 202, Main sprocket; 203, Sliding piece; 204, Secondary sprocket; 205, Chain; 206, Fixing piece; 207, Lead screw; 208, Motor; 209, Adjusting plate; 210, Auxiliary sprocket; 211, Lever; 212, Guide wheel; 213, Tension spring; 214, Handle bolt; 215, Guide plate. Detailed Implementation
[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0024] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.
[0025] Example
[0026] Reference Figure 1-4 This is an embodiment of the present invention, which provides a traction machine chain drive device, comprising,
[0027] The support assembly 100 includes a support member 101, a bracket 102 fixedly connected to the end of the support member 101, a support plate 103 installed on the side wall of the bracket 102, and a limiting plate 104 fixedly connected to the end of the support plate 103. The bottom of the support plate 103 is fixedly connected to the side wall of the support member 101.
[0028] The transmission assembly 200 includes a main shaft 201 rotatably mounted on the side wall of the support plate 103, a main sprocket 202 fixedly connected to the middle of the main shaft 201, a sliding member 203 slidably mounted at the middle position of the end of the support plate 103, a secondary sprocket 204 rotatably mounted on the side wall of the sliding member 203, a chain 205 adapted to be mounted on the side walls of the main sprocket 202 and the secondary sprocket 204, and a guide plate 215 fixedly connected to the side wall of the chain 205. The guide plate 215 runs on the side wall of the support plate 103 and is used in conjunction with the limiting plate 104.
[0029] Among them, the support member 101 serves as the basic support structure of the entire device, providing an installation carrier for other components. The bracket 102 is fixedly connected to the end of the support member 101, serving to extend and position the components. The support plate 103 is installed on the side wall of the bracket 102, and its bottom is also fixedly connected to the side wall of the support member 101, forming a stable support plane. The limiting plate 104 is fixedly connected to the end of the support plate 103, used to limit the movement of the guide plate 215. The main shaft 201 is rotatably mounted on the side wall of the support plate 103, enabling it to support the material. The main sprocket 202 is fixedly connected to the middle of the main shaft 201 and can rotate synchronously with the main shaft 201. The sliding member 203 is slidably installed at the middle position of the end of the support plate 103 and can slide on the support plate 103 in a specific direction. The secondary sprocket 204 is rotatably installed on the side wall of the sliding member 203 and is adapted to the main sprocket 202 through the chain 205 to form a chain drive structure. The guide plate 215 is fixedly connected to the side wall of the chain 205 and runs on the side wall of the support plate 103 as the chain 205 moves.
[0030] Specifically, the transmission assembly 200 also includes a fixing member 206 fixedly connected to the side wall of the support plate 103, and a lead screw 207 rotatably installed at the center of the fixing member 206, with the end of the lead screw 207 threadedly connected to the side wall of the sliding member 203.
[0031] The fixing member 206 is fixedly connected to the side wall of the support plate 103, and the lead screw 207 is rotatably installed at the center of the fixing member 206. Its end is threadedly connected to the side wall of the sliding member 203. The position of the sliding member 203 can be adjusted by rotating the lead screw 207.
[0032] Furthermore, the transmission assembly 200 also includes a motor 208 fixedly connected to the side wall of the support plate 103, and the output end of the motor 208 is connected to the main shaft 201 via a coupling.
[0033] The motor 208 is fixedly connected to the side wall of the support plate 103, and its output end is connected to the main shaft 201 through a coupling to provide power to the entire transmission assembly.
[0034] Furthermore, the transmission assembly 200 also includes an adjustment plate 209 rotatably mounted on the inner wall of the support plate 103, and an auxiliary sprocket 210 rotatably connected to the end of the adjustment plate 209. The end of the auxiliary sprocket 210 is connected to the main sprocket 202 and the secondary sprocket 204 via a chain 205.
[0035] The adjusting plate 209 is rotatably mounted on the inner wall of the support plate 103. The auxiliary sprocket 210 is rotatably connected to the end of the adjusting plate 209 and is connected to the main sprocket 202 and the secondary sprocket 204 via the chain 205. It can assist in adjusting the tension and transmission direction of the chain 205. The side wall of the support plate 103 is provided with an arc groove for installing locking components. The adjusting plate 209 can be fixed by using a knob or other locking components.
[0036] Preferably, the transmission assembly 200 further includes a lever 211 rotatably mounted on the inner wall of the support plate 103, and a guide wheel 212 rotatably connected to the end of the lever 211, the end of the guide wheel 212 making rolling contact with the side wall of the chain 205.
[0037] The lever 211 is rotatably mounted on the inner wall of the support plate 103, and the guide wheel 212 is rotatably connected to the end of the lever 211, making rolling contact with the side wall of the chain 205, thus playing a guiding role.
[0038] It should be noted that the transmission assembly 200 also includes a tension spring 213 fixedly connected to the side wall of the support plate 103, and the end of the tension spring 213 is fixedly connected to the side wall of the lever 211.
[0039] Among them, the tension spring 213 is fixedly connected to the side wall of the support plate 103 and the side wall of the lever 211, which can provide a certain tension so that the guide wheel 212 always maintains good contact with the chain 205.
[0040] Preferably, the transmission assembly 200 further includes a handle bolt 214 threaded to the side wall of the lever 211, with the end of the handle bolt 214 inserted into the middle of the through hole in the side wall of the support plate 103.
[0041] The handle bolt 214 is threaded onto the side wall of the lever 211, and its end is inserted into the middle of the through hole in the side wall of the support plate 103 to fix the position of the lever 211.
[0042] In operation, the motor 208 starts, driving the main shaft 201 to rotate via the coupling, which in turn rotates the main sprocket 202. The rotation of the main sprocket 202 drives the chain 205, which in turn drives the secondary sprocket 204 to rotate. During the movement of the chain 205, the guide plate 215 fixed to its side wall moves accordingly, realizing the conveying of materials.
[0043] When the tension of chain 205 needs to be adjusted, the lead screw 207 is rotated. The rotation of the lead screw 207 causes the sliding member 203 to slide on the support plate 103, thereby changing the position of the secondary sprocket 204 and adjusting the tension of chain 205. Rotating the adjusting plate 209 changes the position and angle of the auxiliary sprocket 210, further adjusting the tension and transmission direction of chain 205. Under the action of the tension spring 213, the lever 211 keeps the guide wheel 212 in contact with chain 205, guiding chain 205. The position of lever 211 can be fixed by adjusting the handle bolt 214 to adapt to different working requirements.
[0044] In summary, the chain drive structure can transmit large torques, ensuring stable and reliable power output for the traction machine, and is suitable for material conveying under various working conditions. The cooperation between the lead screw and sliding parts, as well as the setting of the auxiliary sprocket, allows for convenient and quick adjustment of chain tension, extending the service life of the chain and sprocket and improving transmission efficiency. The structural design of the guide wheel and lever effectively prevents chain deviation during transmission, ensuring the stability and reliability of chain operation.
[0045] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0046] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0047] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A tractor chain drive, characterized by: The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, 2. A tractor chain drive as claimed in claim 1, characterised in that: The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, 3. A tractor chain drive as claimed in claim 2, characterised in that: The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, 4. A tractor chain drive as claimed in claim 3, characterised in that: The utility model relates to a supporting assembly (100) and transmission assembly (200) and supporting assembly (100) and transmission assembly (200) are used, including, 5. A tractor chain drive as claimed in claim 4, characterised in that: 6. A tractor chain drive as claimed in claim 5, characterised in that: 7. A tractor chain drive as claimed in claim 6, characterised in that: