Clutch torque detection device
By designing a combination of rotating rod, bevel gear, and lead screw, it is possible to fix different models of clutches, solving the problem that existing devices can only fix a fixed model, and improving the flexibility and practicality of testing.
Patent Information
- Application Number
- CN202520146001.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing clutch testing devices can only be used with clutches of a fixed model and size, resulting in low flexibility and practicality.
A clutch torque detection device was designed, comprising a rotating rod, a bevel gear, a lead screw, and a bolt. By rotating the rotating rod and the bevel gear, the lead screw is driven to rotate, the bolt is moved to a predetermined position, and the clutch body is fixed by a nut, which can be adapted to the fixing of different models of clutches.
This improves the flexibility and practicality of the clutch torque detection device, enabling it to detect various clutch models and reducing limitations.
Smart Images

Figure CN223664139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clutch detection technical field, concretely is a clutch torque detection device. BACKGROUND
[0002] The clutch is installed between the engine and the transmission, and is an assembly part directly connected with the engine in the automobile transmission system. The clutch and the flywheel set of the engine crankshaft are usually installed together, and are components for cutting off and transmitting power between the engine and the automobile transmission system. With the development of the automobile industry, the requirements for the clutch are becoming higher and higher. In order to ensure the quality, the torque of the clutch needs to be comprehensively and accurately detected when it is shipped.
[0003] For example, the utility model CN202411666537.1 patent clutch assembly detection device and detection method, through the fastening bolt of clutch assembly and fixed seat is fixed, makes the output shaft left end inserts the tooth groove of the driven disc in the clutch assembly, makes the output shaft left end and the driven disc complete meshing, but the fixed seat can only fix the clutch of fixed size, because the clutch has many models, its size is also different, leading to the limitation of the detection device is bigger, makes its flexibility and practicality is lower. UTILITY MODEL CONTENTS
[0004] (I) Technical problem solved
[0005] In view of the defects of the prior art, the utility model provides a clutch torque detection device, which has the advantages of adjusting the position of the bolt to facilitate the fixation of different models of clutches, and solves the problem that only the clutches of fixed size can be fixed.
[0006] (II) Technical scheme
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clutch torque detection device, comprising a device body; the device body comprises: a detection assembly is arranged on the top of the base; the top of the base is provided with an installation assembly, which is located on one side of the detection assembly, the installation assembly comprises: a fixed seat is arranged on the top of the base and located on one side of the detection assembly; a rotating rod penetrates one side of the fixed seat; a bevel gear is arranged on one end of the rotating rod and located in the interior of the fixed seat; a lead screw is arranged on the bevel gear; a moving block is sleeved on the outside of the lead screw and penetrates the fixed seat; a bolt is arranged on the moving block; a clutch body is sleeved on the outside of the bolt and located on the other side of the fixed seat, one side of the clutch body is provided with a nut and sleeved on the outside of the bolt; a fixing assembly is arranged on the outside of the rotating rod.
[0008] In some embodiments, an anti-skid gasket is arranged between the nut and the clutch body, and is sleeved on the outside of the bolt.
[0009] In some embodiments, the fixing assembly comprises a threaded sleeve arranged on the outside of the rotating rod.
[0010] In some embodiments, one side of the threaded sleeve is provided with an extrusion plate, and the extrusion plate is sleeved on the outside of the rotating rod.
[0011] In some embodiments, one side of the extrusion plate is provided with an anti-skid layer, and the anti-skid layer is located on one side of the fixing seat.
[0012] In some embodiments, a limiting plate is arranged between the moving block and the bolt, and the limiting plate is located on the other side of the fixing seat.
[0013] In some embodiments, the detection assembly comprises a motor arranged on the top of the base, a torque sensor arranged between the motor and the fixing seat, a first coupling arranged between the motor and the torque sensor, and a connecting assembly arranged at one end of the torque sensor.
[0014] In some embodiments, the connecting assembly comprises a second coupling arranged at one end of a driven shaft of the torque sensor, and an output shaft arranged at one end of the second coupling.
[0015] (III) Beneficial effects
[0016] Compared with the prior art, the clutch torque detection device has the following advantages
[0017] Beneficial effects:
[0018] The clutch torque detection device has the following advantages: the rotating rod is rotated, the rotating rod pushes the lead screw to rotate through the bevel gear, the rotating lead screw pushes the bolt to move to a predetermined position through the moving block, then the bolt is pushed into the through hole and abuts against the side wall of the fixing seat, the clutch body is fixed on the side wall of the fixing seat through the nut, and detection is performed after the fixing, so that the model of the clutch that can be detected by the clutch torque detection device is increased, the limitation is reduced, and the flexibility and practicability are improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is a structural schematic view of the utility model;
[0020] Fig. 2 It is a structural schematic view of the fixing seat and the connecting assembly in the utility model;
[0021] Fig. 3 It is a structural schematic view of the lead screw and the fixing assembly in the utility model.
[0022] In the picture:
[0023] 1. Device body; 11. Base; 12. Detection component; 121. Motor; 122. Torque sensor; 123. First coupling; 13. Connecting component; 131. Second coupling; 132. Output shaft; 14. Clutch body;
[0024] 2. Mounting components; 21. Fixing base; 22. Rotating rod; 23. Bevel gear; 24. Lead screw; 241. Moving block; 242. Limiting plate; 25. Bolt; 251. Nut; 26. Anti-slip pad; 27. Fixing components; 271. Thread; 272. Threaded sleeve; 28. Extrusion plate; 281. Anti-slip layer. Detailed Implementation
[0025] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0026] It should be noted that all directional indications in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0027] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0028] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.
[0029] The clutch, installed between the engine and the transmission, is an assembly in the automotive transmission system that directly connects to the engine. Typically, the clutch is mounted together with the flywheel assembly of the engine crankshaft, serving as the component that cuts off and transmits power between the engine and the automotive transmission system. With the development of the automotive industry, the requirements for clutches have become increasingly stringent. To ensure quality, the torque of the clutch must be comprehensively and accurately tested at the factory.
[0030] In related technologies, the mounting base can only fix clutches of a fixed model and size. Since clutches come in various models and sizes, this testing device has significant limitations, resulting in low flexibility and practicality.
[0031] To address some of the problems in the related technologies, this application provides a clutch torque detection device. When different types of clutches need to be tested, simply rotate the rotating rod 22. The rotating rod 22 drives the lead screw 24 to rotate through the bevel gear 23. The rotating lead screw 24 pushes the bolt 25 to a predetermined position through the moving block 241 and fixes the bolt 25 through the fixing component 27. Then, align it with the through hole, push it in, and press it against the side wall of the fixing seat 21. The clutch body 14 is fixed to the side wall of the fixing seat 21 by the nut 251.
[0032] This application is described below with reference to the accompanying drawings and specific embodiments:
[0033] Combination Figs. 1-3 This application provides a clutch torque detection device, including a device body 1. The device body 1 includes: a detection component 12 disposed on the top of a base 11; a mounting component 2 disposed on the top of the base 11 and located on one side of the detection component 12; the mounting component 2 includes: a fixed seat 21 disposed on the top of the base 11 and located on one side of the detection component 12; a rotating rod 22 passing through one side of the fixed seat 21; a bevel gear 23 disposed at one end of the rotating rod 22 and located inside the fixed seat 21; a lead screw 24 disposed on the bevel gear 23; a moving block 241 sleeved on the outside of the lead screw 24 and passing through the fixed seat 21; a bolt 25 disposed on the moving block 241; a clutch body 14 sleeved on the outside of the bolt 25 and located on the other side of the fixed seat 21; a nut 251 disposed on one side of the clutch body 14 and sleeved on the outside of the bolt 25; and a fixing component 27 disposed on the outside of the rotating rod 22.
[0034] In use, align the through hole on the clutch body 14 with the bolt 25, push it in and press it against the side wall of the fixed seat 21. Then, put the nut 251 on the bolt 25 and rotate it to fix the clutch body 14 to the side wall of the fixed seat 21. At the same time, connect it to the detection component 12. Finally, start the detection component 12 to detect the torque of the clutch body 14. When it is necessary to detect other models of clutch bodies 14, first observe the position of the through hole on the clutch body 14, then rotate the rotating rod 22. The rotating rotating rod 22 pushes the lead screw 24 to rotate through the bevel gear 23. The rotating lead screw 24 pushes the bolt 25 to the predetermined position through the moving block 241 and fixes the bolt 25 through the fixing component 27. Then, align it with the through hole, push it in and press it against the side wall of the fixed seat 21. Fix the clutch body 14 to the side wall of the fixed seat 21 with the nut 251. After fixing, the detection is performed. This increases the models that can be detected, reduces the limitation of clutch torque detection, and improves flexibility and practicality.
[0035] Specifically, the fixed base 21 consists of a support plate and an annular plate, and the annular plate is rotatably connected to the support plate.
[0036] In some embodiments, an anti-slip pad 26 is provided between the nut 251 and the clutch body 14 and is sleeved on the outside of the bolt 25 to increase the anti-slip properties of the nut 251 pressing against the clutch body 14.
[0037] In some embodiments, the fixing component 27 includes: a thread 271 disposed on the outside of the rotating rod 22, a threaded sleeve 272 disposed on the thread 271 and sleeved on the outside of the rotating rod 22; after the position of the bolt 25 is adjusted, the threaded sleeve 272 is rotated, and the rotating threaded sleeve 272 moves on the rotating rod 22 through the thread 271 and presses against the side wall of the fixing seat 21, thereby pressing and fixing the rotating rod 22, thereby fixing the position of the bolt 25.
[0038] In some embodiments, a pressing plate 28 is provided on one side of the threaded sleeve 272 and sleeved on the outside of the rotating rod 22, thereby increasing the area of the threaded sleeve 272 pressing the side wall of the fixing seat 21 and improving the stability of pressing and fixing the rotating rod 22.
[0039] In some embodiments, an anti-slip layer 281 is provided on one side of the extrusion plate 28 and is located on one side of the fixing seat 21 to increase the anti-slip properties of the extrusion plate 28 pressing the side wall of the fixing seat 21.
[0040] In some embodiments, a limiting plate 242 is provided between the moving block 241 and the bolt 25, and is located on the other side of the fixed seat 21. It supports the bolt 25 and limits the moving block 241 to prevent the moving block 241 from rotating with the lead screw 24.
[0041] The detection component 12 includes: a motor 121 mounted on the top of the base 11; a torque sensor 122 positioned between the motor 121 and the fixed base 21; a first coupling 123 positioned between the motor 121 and the torque sensor 122; and a connecting component 13 positioned at one end of the torque sensor 122. The motor 121 drives the first coupling 123 and the torque sensor 122 to rotate, the torque sensor 122 drives the connecting component 13 to rotate, and the connecting component 13 drives the clutch body 14 to rotate synchronously, causing the clutch pressure plate to remain stationary relative to the clutch assembly. Since the annular plate and the fixed base are slidably connected, the annular plate... The shaped plate and its internal connecting rod are stationary relative to the clutch pressure plate, and the connecting rod and the annular plate are relatively stationary relative to the clutch pressure plate. As can be seen from Embodiment 1, when the release bearing drives the pressure sensor to continue to squeeze the diaphragm spring to the left, the outer side of the diaphragm spring drives the clutch pressure plate to move to the right. The clutch pressure plate drives the annular plate to move to the right via the connecting rod. The annular plate drives the connecting shaft to move to the right, causing the connecting shaft to stretch the first spring. When the annular plate moves to the right to its limit position, the clutch pressure plate moves to the right to its limit position. At this time, the clutch pressure plate and the clutch disc are completely separated, and the torque sensor detects the maximum torque of the clutch body.
[0042] Specifically, the clutch body 14 is assembled from a clutch cover, flywheel, clutch driven plate, clutch disc, clutch pressure plate, and diaphragm spring.
[0043] Specifically, the torque sensor 122, model KR-803, mainly consists of an elastic shaft, strain gauges, a power supply, a signal processor, and an output signal. Its working principle is based on strain gauge electrical measurement technology. Specifically, the sensor attaches a dedicated torsion strain gauge to the elastic shaft, forming a strain bridge. By supplying power to the strain bridge, the electrical signal indicating torsion on the elastic shaft can be measured. These strain signals are amplified and converted into a frequency signal proportional to the torsional strain through a voltage-to-frequency converter.
[0044] In some embodiments, the connecting assembly 13 includes: a second coupling 131 disposed at one end of the driven shaft of the torque sensor 122; and an output shaft 132 disposed at one end of the second coupling 131. When the through hole on the clutch body 14 is aligned with the bolt 25 and pushed against the side wall of the fixed seat 21, the tooth groove of the driven disc inside the clutch body 14 will mesh with the gear at one end of the output shaft 132.
[0045] Specifically, before testing other models, the corresponding output shaft 132 needs to be replaced through the second coupling 131.
[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," and "some examples" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.
[0047] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.
[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A clutch torque detection device, comprising a device body (1); the device body (1) comprising: The base (11) has a detection component (12) on its top; The feature is that: a mounting component (2) is provided on the top of the base (11) and is located on one side of the detection component (12), the mounting component (2) comprising: A fixing seat (21) is disposed on the top of the base (11) and located on one side of the detection component (12); A rotating rod (22) extends through one side of the fixed base (21); A bevel gear (23) is disposed at one end of the rotating rod (22) and located inside the fixed base (21); A lead screw (24) is mounted on the bevel gear (23); A movable block (241) is sleeved on the outside of the lead screw (24) and passes through the fixed seat (21) bolt (25), and is set on the movable block (241); The clutch body (14) is sleeved on the outside of the bolt (25) and located on the other side of the fixed seat (21). A nut (251) is provided on one side of the clutch body (14) and sleeved on the outside of the bolt (25). A fixing component (27) is disposed on the outside of the rotating rod (22).
2. The clutch torque detection device according to claim 1, characterized in that: An anti-slip pad (26) is provided between the nut (251) and the clutch body (14) and is sleeved on the outside of the bolt (25).
3. The clutch torque detection device according to claim 1, characterized in that: The fixing component (27) includes: A thread (271) is provided on the outside of the rotating rod (22), and a threaded sleeve (272) is provided on the thread (271) and sleeved on the outside of the rotating rod (22).
4. The clutch torque detection device according to claim 3, characterized in that: A pressing plate (28) is provided on one side of the threaded sleeve (272) and is sleeved on the outside of the rotating rod (22).
5. A clutch torque detection device according to claim 4, characterized in that: An anti-slip layer (281) is provided on one side of the extrusion plate (28) and is located on one side of the fixing seat (21).
6. A clutch torque detection device according to claim 1, characterized in that: A limiting plate (242) is provided between the movable block (241) and the bolt (25), and is located on the other side of the fixed seat (21).
7. A clutch torque detection device according to claim 1, characterized in that: The detection component (12) includes: A motor (121) is disposed on the top of the base (11); A torque sensor (122) is disposed between the motor (121) and the mounting base (21); A first coupling (123) is disposed between the motor (121) and the torque sensor (122); A connecting component (13) is disposed at one end of the torque sensor (122).
8. A clutch torque detection device according to claim 7, characterized in that: The connection component (13) includes: The second coupling (131) is disposed at one end of the driven shaft of the torque sensor (122); The output shaft (132) is located at one end of the second coupling (131).
Citation Information
Patent Citations
Clutch assembly detection device and detection method
CN119147251B