Chain pressing device
By coordinating the operation of the control and fixing components, the contact force between the pressure roller and the chain in the chain clamping device is adjusted, solving the problem of difficulty in making large adjustments in the existing technology and improving the maintenance efficiency and service life of the chain clamping device.
Patent Information
- Application Number
- CN202520202208.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing chain clamping devices are difficult to adjust the contact force between the pressure roller and the sprocket significantly, resulting in high maintenance complexity, low efficiency, and severe sprocket wear.
The chain clamping device employs a combination of control and fixing components. By rotating the assembly cylinder, the state of the coil spring is changed, and the contact force between the pressure roller and the chain is adjusted, thus achieving tight contact through the elastic deformation force of the coil spring.
It enables a significant adjustment of the contact force between the pressure roller and the chain, simplifies equipment maintenance and tension adjustment after component replacement, reduces maintenance complexity and difficulty, and improves maintenance efficiency.
Smart Images

Figure CN223782004U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain compression technical field, concretely is a chain compression device. BACKGROUND
[0002] The chain compression of the chain transmission equipment is all adopted sprocket, and the chain transmission of the sprocket compression has the following deficiencies: first, the original sprocket compression chain transmission installation requirement is very high, and the driving sprocket, passive sprocket and tension sprocket must be in the same plane as far as possible, otherwise the chain transmission operation is easy to cause abnormal sound, chain or sprocket wear phenomenon, and the service life is reduced; second, the tension sprocket and chain are contacted through meshing, and the contact area is small, and the sprocket is easy to wear and skip tooth after long use, and the service life is reduced; third, the chain transmission device of the tension sprocket is easy to wear due to the small contact area of the sprocket and chain, and the service life is short, the workload of maintenance personnel is large, and the efficiency is low.
[0003] In the prior art, for example, the chain compression device disclosed in CN205169607U is disclosed, which comprises a support, a compression wheel and a compression wheel shaft, wherein one end of the compression wheel shaft is connected with the support, and the other end is rotatably provided with the compression wheel.
[0004] The fixed frame and support in the above device are fixed by bolts, and the contact force of the compression wheel and sprocket cannot be adjusted greatly, when the equipment needs to be maintained or after replacing the chain and other components, the tension of the chain usually needs to be adjusted again, since the device is difficult to adjust the contact force of the compression wheel and sprocket greatly, a lot of time and effort may be spent on fine adjustment, which increases the complexity and difficulty of maintenance work and reduces the maintenance efficiency, therefore, the utility model provides a chain compression device for solving the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving one of the technical problems existing in the prior art or related art.
[0006] Therefore, the utility model adopts the technical scheme that:
[0007] The utility model provides a chain's compression device, including the fixed frame, be provided with control assembly inside the fixed frame, one side of fixed frame is provided with fixed component, control assembly includes the assembly cylinder, one side of fixed frame is provided with assembly window that penetrates itself, the assembly cylinder is built-in rotating roller, a plurality of coil springs are sleeved on the surface of rotating roller, the middle part of rotating roller is sleeved with support, one end of support is fixedly connected with rotating roller, one end of support is fixedly connected with rotating rod on the top of fixed frame, the surface of rotating rod is sleeved with pressure wheel, pressure wheel is rotatably connected with rotating rod, fixed component includes fixed seat, one end of fixed seat is fixedly connected with the outer surface of fixed frame, the surface of fixed seat is fixedly connected with screw roller, the end away from fixed seat of screw roller is sleeved with rotating seat and pressing plate, rotating seat is threadedly connected with screw roller, one end of pressing plate is slidably connected with screw roller, the one end close to pressing plate of assembly cylinder is fixedly connected with a plurality of dolly around, the one end close to assembly cylinder of pressing plate is in contact with dolly.
[0008] Preferably, the assembly cylinder is placed in the assembly window, and the assembly cylinder is rotatably connected with the inner wall of the assembly window.
[0009] Preferably, the rotating roller coincides with the axis of the assembly cylinder.
[0010] Preferably, a plurality of coil springs are uniformly arranged along the length direction of the rotating roller, the coil springs are placed in the assembly cylinder, one end of the coil spring is fixedly connected with the rotating roller, and the other end of the coil spring is fixedly connected with the inner wall of the assembly cylinder.
[0011] Preferably, the assembly cylinder is provided with a communication window on one side for the support to pass through.
[0012] Preferably, the support extends to the top of the fixed frame through the communication window.
[0013] Preferably, the fixed seat is arranged on one side of the assembly cylinder.
[0014] Preferably, the pressing plate is arranged between the rotating seat and the fixed seat, and the end away from the screw roller of the pressing plate extends to the assembly cylinder.
[0015] By adopting the above technical scheme, the utility model has the beneficial effects that:
[0016] The utility model chain compression device constitutes by fixed frame, control component and fixed component. The assembly cylinder in control component is placed in the assembly window of fixed frame and can rotate, a plurality of coil springs are connected on the rotating roller in the assembly cylinder, the both ends of coil spring are fixed with rotating roller and the inner wall of assembly cylinder respectively, one end of the support in the middle of rotating roller is connected with rotating roller, and the other end passes through the communicating window and is connected with rotating rod and compression wheel on the top of fixed frame, coil spring drives compression wheel and chain to be in close contact, and realizes compression by its elastic deformation force. The fixed seat of fixed component is fixed on the outer surface of fixed frame, one end of the thread roller on its surface is connected with rotating seat and pressing plate, rotating seat is connected with thread roller in screw thread, one end of pressing plate is connected with thread roller in sliding, and one end extends to the assembly cylinder and is in contact with the driving seat around the assembly cylinder. When adjusting compression force, first rotate assembly cylinder to change the state of coil spring, affect the force on support, then rotate rotating seat and push pressing plate, make pressing plate and driving seat in close contact, and fix the position of assembly cylinder. The device works cooperatively through control component and fixed component, is different from the traditional bolt fixing mode, can greatly adjust the contact force of compression wheel and chain, adjusts the chain tension when maintaining or replacing parts, effectively reduces the complexity and difficulty of maintenance, and improves the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structure schematic diagram of the utility model.
[0018] Figure 2 It is the control component and fixed frame assembly structure schematic diagram of the utility model.
[0019] Figure 3 It is the control component structure schematic diagram of the utility model.
[0020] Figure 4 It is the fixed component and fixed frame assembly structure schematic diagram of the utility model.
[0021] Figure 5 It is the utility model Figure 4 It is the enlarged structure schematic diagram of A place in the utility model.
[0022] In the drawing: 1, fixed frame;2, control component;201, assembly cylinder;202, assembly window;203, rotating roller;204, coil spring;205, support;206, communicating window;207, rotating rod;208, compression wheel;3, fixed component;301, fixed seat;302, thread roller;303, rotating seat;304, pressing plate;305, driving seat. PREFERRED EMBODIMENT
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example: Figures 1-5 As shown, this utility model provides a chain clamping device, including a fixing frame 1, a control component 2 inside the fixing frame 1, and a fixing component 3 on one side of the fixing frame 1. The control component 2 includes an assembly cylinder 201, and an assembly window 202 penetrating through the fixing frame 1 is opened on one side of the fixing frame 1. The assembly cylinder 201 is placed inside the assembly window 202 and is rotatably connected to the inner wall of the assembly window 202. A rotating roller 203 is built into the assembly cylinder 201, and the axis of the rotating roller 203 coincides with that of the assembly cylinder 201. Multiple coil springs 204 are sleeved on the surface of the rotating roller 203 and are evenly arranged along the length of the rotating roller 203. The coil springs 204 are placed inside the assembly cylinder 201. One end of the coil spring 204 is fixedly connected to the rotating roller 203, and the other end of the coil spring 204 is fixedly connected to the inner wall of the assembly cylinder 201. A bracket 205 is sleeved in the middle of the rotating roller 203. A connecting window 206 is opened on one side of the assembly cylinder 201 to facilitate the passage of the bracket 205. One end of the bracket 205 is fixedly connected to the rotating roller 203, and the other end of the bracket 205 extends through the connecting window 206 to the top of the fixed frame 1. A rotating rod 207 is fixedly connected to one end of the bracket 205 at the top of the fixed frame 1. A pressure roller 208 is sleeved on the surface of the rotating rod 207. The pressure roller 208 is rotatably connected to the rotating rod 207. The chain clamping device mainly works in coordination with the control component 2 and the fixed component 3. In control component 2, assembly cylinder 201 is located within and rotatably connected to assembly window 202 of fixed frame 1. Inside, there is a rotating roller 203. Multiple coil springs 204, evenly arranged along the length of the rotating roller 203, are sleeved on it. One end of each coil spring 204 is fixed to the rotating roller 203, and the other end is fixed to the inner wall of assembly cylinder 201. A bracket 205 in the middle of the rotating roller 203 is fixed at one end to the rotating roller 203, and the other end extends through a connecting window 206 on one side of assembly cylinder 201 to the top of fixed frame 1 and connects to a rotating rod 207. A pressure roller 208 is rotatably connected to the rotating rod 207. The coil springs 204 drive the pressure roller 208 into close contact with the chain, using the elastic deformation force of the coil springs 204 to apply a clamping force to the chain.
[0025] Further, the fixing seat 301 is arranged in the fixing assembly 3, one end of the fixing seat 301 is fixedly connected with the outer surface of the fixing frame 1, the fixing seat 301 is arranged on one side of the assembling cylinder 201, a threaded roller 302 is fixedly connected on the surface of the fixing seat 301, a rotating seat 303 and a pressing plate 304 are sleeved on the end of the threaded roller 302 away from the fixing seat 301, the rotating seat 303 is threadedly connected with the threaded roller 302, one end of the pressing plate 304 is slidably connected with the threaded roller 302, the pressing plate 304 is arranged between the rotating seat 303 and the fixing seat 301, the end of the pressing plate 304 away from the threaded roller 302 extends to the assembling cylinder 201, a plurality of push seats 305 are fixedly connected around the end of the assembling cylinder 201 close to the pressing plate 304, the end of the pressing plate 304 close to the assembling cylinder 201 is in contact with the push seat 305, the fixing seat 301 is fixed on the outer surface of the fixing frame 1, the threaded roller 302 is sleeved with the rotating seat 303 and the pressing plate 304 on one end of the surface of the fixing seat 301, the rotating seat 303 is threadedly connected with the threaded roller 302, one end of the pressing plate 304 is slidably connected with the threaded roller 302, the pressing plate 304 is arranged between the rotating seat 303 and the fixing seat 301, and the end of the pressing plate 304 extends to the assembling cylinder 201, the assembling cylinder 201 is provided with a plurality of push seats 305 around the end close to the pressing plate 304, and the pressing plate 304 is in contact with the push seat 305. When it is necessary to adjust the force of the coil spring 204 on the support 205 (i.e. adjust the pressing force of the pressing wheel 208 on the chain), the assembling cylinder 201 is first rotated, since the assembling cylinder 201 is connected with the rotating roller 203 through the coil spring 204, rotating the assembling cylinder 201 will change the state of the coil spring 204, thereby changing the force on the support 205. After adjustment, the rotating seat 303 is rotated, since the rotating seat 303 is threadedly connected with the threaded roller 302, the rotating seat 303 will push the pressing plate 304, so that the pressing plate 304 is in close contact with the push seat 305, the assembling cylinder 201 is fixed at the required position, and the adjusted pressing force is fixed.
[0026] Unlike the traditional bolt fixing method, the device can first adjust the force of the coil spring 204 on the support 205 by rotating the assembling cylinder 201, thereby changing the contact force of the pressing wheel 208 on the chain, and can be adjusted by a large margin, overcoming the problem that the traditional device is difficult to adjust the contact force of the pressing wheel 208 on the chain gear by a large margin. After the equipment needs to be maintained and the chain and other components are replaced, the tension of the chain can be conveniently adjusted, avoiding the situation that the traditional device needs to spend a lot of time and effort to fine-tune, reducing the complexity and difficulty of maintenance work, and thereby improving the maintenance efficiency.
[0027] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and its equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A chain tensioner, characterized by, The utility model provides a kind of fixed frame, control component is arranged inside the fixed frame, fixed component is arranged in the one side of fixed frame, the control component includes assembly cylinder, assembly window is opened in the one side of fixed frame, rotating roller is built in the assembly cylinder, a plurality of coil springs are sleeved on the surface of rotating roller, support is sleeved in the middle of rotating roller, the one end of support is fixedly connected with rotating roller, rotating rod is fixedly connected in one end of support at the top of fixed frame, pressure wheel is sleeved on the surface of rotating rod, the pressure wheel is rotatably connected with rotating rod, the fixed component includes fixed seat, the one end of fixed seat is fixedly connected with the outer surface of fixed frame, threaded roller is fixedly connected on the surface of fixed seat, rotating seat and pressing plate are sleeved on the end, away from fixed seat of threaded roller, the rotating seat is threadedly connected with threaded roller, the one end of pressing plate is slidably connected with threaded roller, a plurality of the dials seat is fixedly connected around the end, close to pressing plate of assembly cylinder, the one end, close to assembly cylinder of pressing plate is in contact with dial seat.
2. A chain tensioner as defined in claim 1, wherein The assembly cylinder is placed in the assembly window, and the assembly cylinder is rotatably connected with the inner wall of the assembly window.
3. A chain tensioner as defined in claim 1, wherein The rotating roller coincides with the axis of the assembly cylinder.
4. A chain tensioner as defined in claim 1, wherein A plurality of the coil springs are evenly arranged along the length direction of the rotating roller, and the coil springs are placed in the assembly cylinder.
5. A chain tensioner as defined in claim 1, wherein The assembly cylinder is placed in the assembly window, and the assembly cylinder is rotatably connected with the inner wall of the assembly window.
6. A chain tensioner as defined in claim 1, wherein The rotating roller coincides with the axis of the assembly cylinder.
7. A chain tensioner as defined in claim 1, wherein A plurality of the coil springs are evenly arranged along the length direction of the rotating roller, and the coil springs are placed in the assembly cylinder.
8. A chain tensioner as defined in claim 1, wherein The assembly cylinder is placed in the assembly window, and the assembly cylinder is rotatably connected with the inner wall of the assembly window. The rotating roller coincides with the axis of the assembly cylinder. A plurality of the coil springs are evenly arranged along the length direction of the rotating roller, and the coil springs are placed in the assembly cylinder.
Citation Information
Patent Citations
Chain closing device
CN205169607U