CN216955147U - Clutch release bearing testing arrangement - Google Patents
Clutch release bearing testing arrangement Download PDFInfo
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- CN216955147U CN216955147U CN202220263700.XU CN202220263700U CN216955147U CN 216955147 U CN216955147 U CN 216955147U CN 202220263700 U CN202220263700 U CN 202220263700U CN 216955147 U CN216955147 U CN 216955147U
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Abstract
The utility model discloses a clutch release bearing testing device, which comprises a release bearing unit and a testing tool for testing the release bearing unit, wherein the release bearing unit is fixedly arranged on the testing tool; the test fixture comprises a bolt assembly, a release bearing unit is sleeved on the bolt assembly, a load simulation assembly is arranged on one side of the release bearing unit, a tooling plate and an adjusting plate are arranged on the other side of the release bearing unit, the load simulation assembly, the tooling plate and the adjusting plate are all sleeved on the bolt assembly, the load simulation assembly is in conflict fit with the release bearing unit, the adjusting plate is in conflict fit with the tooling plate, a tooling plate fixedly connected with tooling bottom plate is fixedly connected with a test bench, and an excitation assembly is fixedly mounted on the load simulation assembly. The device has low test cost, can test the axial load state borne by the release bearing, and more importantly, can be applied to the release bearing according to the dynamic unbalance amount of the power assembly and the frequency of the dynamic load.
Description
Technical Field
The utility model relates to the technical field of automobile part detection, in particular to a clutch release bearing testing device.
Background
The automobile clutch release bearing is an important part of an automobile, the release bearing is arranged between a clutch and a speed changer, and the axial movement of the release bearing is realized by pushing or pulling a shifting fork or pushing a hydraulic or pneumatic device, so that the clutch is separated. The release bearing is a main wearing part of a vehicle, and vibration, noise, overheating and the like of the release bearing itself are likely to occur due to problems such as vibration, friction, eccentricity of a load and the like. Therefore, the test of the automobile release bearing is one of the important test items of the automobile.
The existing release bearing test system mainly comprises two types, one is a test system with a power drive at the front end of a clutch and a load device at the rear end, the main aim of the test system is to test the dynamic and static characteristics of the clutch in the separation and combination process, but the test is expensive due to the existence of a power device and usually requires hundreds of thousands or even millions of construction costs; the second type is a test apparatus without power drive and load means, which is used only to test the separation and engagement characteristics of the separator bearing. In some of the devices, an offset cylinder is added for simulating the radial dynamic load on the release bearing in the clutch combination process, but the dynamic load caused by a mechanical device has the problem that the frequency and the load are difficult to adjust, and the dynamic load of the release bearing of the clutch cannot be simulated really, so that the fatigue life tested by a durability test of the device is greatly different from the real state. The third category is the development of tests with the transmission and clutch system, but the durability test of the release bearing cannot be freely adjusted according to the working condition of the release bearing, and the test cost is very high.
Therefore, in order to solve the problems that the test cost of the release bearing is too high, the radial dynamic load cannot be freely adjusted, and the stress state of the real release bearing cannot be simulated, a low-cost test device is urgently needed, the axial load state borne by the release bearing can be tested, and more importantly, the axial load state can be applied to the release bearing according to the dynamic unbalance amount of the power assembly and the frequency of the dynamic load.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a clutch release bearing testing device, which is aimed at solving or improving at least one of the above technical problems.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a clutch release bearing testing device, which comprises a release bearing unit and a testing tool for testing the release bearing unit, wherein the release bearing unit is fixedly arranged on the testing tool;
the test fixture comprises a bolt assembly, a release bearing unit is sleeved on the bolt assembly, a load simulation assembly is arranged on one side of the release bearing unit, a tooling plate and an adjusting plate are arranged on the other side of the release bearing unit, the load simulation assembly, the tooling plate and the adjusting plate are all sleeved on the bolt assembly, the tooling plate is fixedly connected with the release bearing unit, the load simulation assembly is in conflict fit with the release bearing unit, the adjusting plate is in conflict fit with the tooling plate, a tooling plate fixedly connected with tooling bottom plate is fixedly connected with a test bench, and a shock excitation assembly is arranged between the load simulation assembly and the tooling bottom plate.
Preferably, the bolt assembly comprises a long bolt, a compression nut is connected to the long bolt through threads, and the compression nut, the load simulation assembly, the release bearing unit, the tooling plate and the adjusting plate are sequentially sleeved on the long bolt from left to right.
Preferably, load simulation subassembly includes that first direction supports flange, clutch simulation spring and second direction and supports the flange, first direction supports flange and second direction and supports the flange and all overlap and locate the bolt assembly outside, clutch simulation spring is located between first direction support flange and the second direction support flange, and respectively with first direction support flange and second direction support flange conflict setting, first direction support flange with release bearing unit conflicts the setting, second direction support flange with bolt assembly conflicts the setting.
Preferably, the excitation assembly comprises a frame, the frame is fixedly connected with the tooling bottom plate 7, a plurality of electromagnetic exciters are arranged between the frame and the first guide supporting flange, and the electromagnetic exciters are fixedly connected with the frame.
Preferably, the frame is Contraband type, and reinforcing ribs are fixedly arranged at the included corners of the frame.
Preferably, the tooling plate is fixedly connected with the release bearing unit through a bolt.
Preferably, the first guide support flange and the second guide support flange are respectively and fixedly provided with a limit boss, the limit bosses on the first guide support flange and the second guide support flange are oppositely arranged, and the clutch simulation spring sleeve is arranged on the limit bosses.
Preferably, one side of the first guide support flange, which is close to the release bearing unit, is provided with an end surface step, and the end surface step is matched with the release bearing unit.
The utility model discloses the following technical effects:
the utility model does not adopt a test system with a power drive and rear end load device, because the release bearing belongs to an execution device rather than a force transmission part, the construction cost of an expensive load motor and a drive motor is avoided, the axial load state born by the release bearing can be tested, and more importantly, the axial load state can be applied to the release bearing according to the dynamic unbalance amount of a power assembly and the frequency of dynamic load.
The pressure of the bolt assembly is adjusted, so that the load simulation assembly simulates the force of a clutch release spring acting on a release bearing, the clutch release bearing can be ensured to be identical to the actual installation state of a vehicle when not in operation by adjusting the pre-compression force of the load simulation assembly, and can be adjusted according to the working displacement of the clutch release bearing unit, so that the release bearing unit is ensured to be consistent with the actual stroke of the release bearing unit on the vehicle, the vibration excitation assembly can adjust the vibration frequency and the force according to needs, and the frequency setting is set according to the rotation frequency and the frequency multiplication of an engine; the magnitude of the force is set according to the force of the clutch in the real vehicle due to dynamic unbalance. Can be used to simulate the radial dynamic loads on the release bearing due to dynamic imbalance during clutch operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a clutch release bearing testing device;
FIG. 2 is a schematic cross-sectional view of a clutch release bearing testing device;
FIG. 3 is a left side view of the clutch release bearing testing apparatus;
in the figure: 1. a release bearing unit; 2. a first guide support flange; 3. a clutch simulating spring; 4. a second guide support flange; 5. a compression nut; 6. a long bolt; 7. a tooling bottom plate; 8. assembling a plate; 9. an adjustment plate; 10. an electromagnetic vibration exciter; 11. a frame; 12. reinforcing ribs; 13. and a limiting boss.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The utility model provides a clutch release bearing testing device, which comprises a release bearing unit 1 and a testing tool for testing the release bearing unit 1, wherein the release bearing unit 1 is fixedly arranged on the testing tool;
the test fixture comprises a bolt assembly, a separation bearing unit 1 is sleeved on the bolt assembly, a load simulation assembly is arranged on one side of the separation bearing unit 1, a tooling plate 8 and an adjusting plate 9 are arranged on the other side of the separation bearing unit 1, the load simulation assembly, the tooling plate 8 and the adjusting plate 9 are sleeved on the bolt assembly, the tooling plate 8 is fixedly connected with the separation bearing unit 1, the load simulation assembly is in interference fit with the separation bearing unit 1, the adjusting plate 9 is in interference fit with the tooling plate 8, the tooling plate 8 is fixedly connected with a tooling bottom plate 7, the tooling bottom plate 7 is fixedly connected with a test bench (not shown in the figure), and an excitation assembly is arranged between the load simulation assembly and the tooling bottom plate 7.
When in use, the tooling plate 8 and the release bearing unit 1 are fixedly connected by bolts, then the adjusting plate 9, the tooling plate 8, the release bearing unit 1 and the load simulation assembly are sequentially sleeved on the bolt assembly, then the tooling plate 8 is fixedly arranged on the tooling bottom plate 7, the tooling bottom plate 7 is fixedly arranged on the test bench, the pressure of the bolt component is adjusted, the load simulation component simulates the force of a clutch release spring acting on a release bearing, by adjusting the pre-compression force of the load simulating assembly it can be ensured that the release bearing unit 1 is not in operation in the same state as it is actually mounted on the vehicle, the vibration exciting assembly can adjust the vibration according to the requirement, and the frequency setting is set according to the rotating frequency and the frequency multiplication of the engine; the force is set according to the force generated by the dynamic unbalance of the clutch in the real vehicle. Can be used to simulate the radial dynamic loads on the release bearing due to dynamic imbalance during clutch operation.
According to the further optimized scheme, the bolt assembly comprises a long bolt 6, a compression nut 5 is connected to the long bolt 6 in a threaded mode, and the compression nut 5, the load simulation assembly, the release bearing unit 1, the tooling plate 8 and the adjusting plate 9 are sequentially sleeved on the long bolt 6 from left to right. The load simulation assembly is installed on a test tool through the long bolt 6 and the compression nut 5, the force of the clutch release spring acting on the release bearing is simulated, and the state that the clutch release bearing unit 1 is actually installed on a vehicle when not in work can be guaranteed to be the same through adjusting the pre-compression force of the load simulation assembly.
Further optimize the scheme, the load simulation subassembly includes first direction support flange 2, clutch simulation spring 3 and second direction support flange 4, bolt assembly outside is located all to overlap in first direction support flange 2 and second direction support flange 4, clutch simulation spring 3 is located between first direction support flange 2 and the second direction support flange 4, and contradict the setting with first direction support flange 2 and second direction support flange 4 respectively, first direction support flange 2 contradicts the setting with release bearing unit 1, second direction support flange 4 contradicts the setting with bolt assembly. The maximum load force of the clutch dummy spring 3 can cover the compression force of the clutch release spring, and can simulate the stress state of the release bearing in the axial direction. Meanwhile, the first guide supporting flange 2 and the second guide supporting flange 4 are arranged at two ends of the clutch simulation spring 3, so that the clutch simulation spring 3 can be guided, the adjustment can be carried out according to the working displacement of the clutch release bearing unit 1, and the consistency of the actual stroke of the clutch release bearing unit 1 on a vehicle is ensured.
Further optimize the scheme, the excitation subassembly includes frame 11, frame 11 and frock bottom plate 7 fixed connection, is provided with a plurality of electromagnetic vibration exciters 10 between frame 11 and the first direction support flange 2, and electromagnetic vibration exciters 10 and frame 11 fixed connection, electromagnetic vibration exciters 10 and the contact setting of first direction support flange 2, and the vibration exciters can arouse the vibration of first direction support flange 2 to the vibration of certain frequency and amplitude that the simulation release bearing received. The electromagnetic vibration exciters 10 in two directions are arranged around the first guide support flange 2, the electromagnetic vibration exciters 10 can adjust the vibration frequency and force according to the requirement, and the frequency is set according to the rotation frequency and frequency multiplication of the engine; the magnitude of the force is set according to the force of the clutch in the real vehicle due to dynamic unbalance. Can be used to simulate the radial dynamic loads on the release bearing due to dynamic imbalance during clutch operation.
In a further optimized scheme, the frame 11 is Contraband-shaped, one side of the frame 11 is fixedly connected with the second guide support flange 4, and reinforcing ribs 12 are fixedly arranged at the included angle of the frame 11 to prevent the frame 11 from deforming when the electromagnetic vibration exciter 10 works.
Further optimize the scheme, frock board 8 passes through bolt fixed connection with release bearing unit 1, and frock board 8 passes through bolt and 7 fixed connection of frock bottom plate, and frock bottom plate 7 passes through the bolt fastening on the test bench.
According to the further optimization scheme, the first guide support flange 2 and the second guide support flange 4 are respectively and fixedly provided with a limit boss 13, the limit bosses 13 on the first guide support flange 2 and the second guide support flange 4 are oppositely arranged, and the clutch simulation spring 3 is sleeved on the limit bosses 13, so that the working stroke of the clutch release bearing unit 1 is consistent with the working stroke of an actual vehicle clutch during testing.
According to the further optimization scheme, an end face step is arranged on one side, close to the release bearing unit 1, of the first guide support flange 2, the end face step is matched with the release bearing unit 1, and the assembly relation between the first guide support flange 2 and the clutch release finger is simulated.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a clutch release bearing testing arrangement which characterized in that: the test fixture comprises a release bearing unit (1) and a test fixture for testing the release bearing unit (1), wherein the release bearing unit (1) is fixedly arranged on the test fixture;
the test tool comprises a bolt assembly, the release bearing unit (1) is sleeved on the bolt assembly, a load simulation component is arranged on one side of the separation bearing unit (1), a tooling plate (8) and an adjusting plate (9) are arranged on the other side of the separation bearing unit (1), the load simulation component, the tooling plate (8) and the adjusting plate (9) are all sleeved on the bolt component, the tooling plate (8) is fixedly connected with the release bearing unit (1), the load simulation component is in interference fit with the release bearing unit (1), the adjusting plate (9) is in interference fit with the tooling plate (8), the tooling plate (8) is fixedly connected with a tooling bottom plate (7), the tool bottom plate (7) is fixedly connected with the test bench, and an excitation assembly is installed between the load simulation assembly and the tool bottom plate (7).
2. The clutch release bearing testing apparatus according to claim 1, characterized in that: the bolt assembly comprises a long bolt (6), the long bolt (6) is connected with a compression nut (5) in a threaded mode, and the compression nut (5), the load simulation assembly, the release bearing unit (1), the tooling plate (8) and the adjusting plate (9) are sequentially sleeved on the long bolt (6) from left to right.
3. The clutch release bearing testing apparatus according to claim 1, characterized in that: load simulation subassembly includes that first direction supports flange (2), clutch simulation spring (3) and second direction and supports flange (4), first direction supports flange (2) and second direction and supports flange (4) and all overlap and locate the bolt assembly outside, clutch simulation spring (3) are located between first direction support flange (2) and the second direction support flange (4), and respectively with first direction support flange (2) and second direction support flange (4) are contradicted and are set up, first direction support flange (2) with release bearing unit (1) is contradicted and is set up, second direction support flange (4) with the bolt assembly is contradicted and is set up.
4. The clutch release bearing testing apparatus according to claim 3, characterized in that: the excitation assembly comprises a frame (11), the frame (11) is fixedly connected with the tooling bottom plate (7), a plurality of electromagnetic exciters (10) are arranged between the frame (11) and the first guide supporting flange (2), and the electromagnetic exciters (10) are fixedly connected with the frame (11).
5. The clutch release bearing testing apparatus according to claim 4, wherein: the frame (11) is Contraband type, and reinforcing ribs (12) are fixedly arranged at included angles of the frame (11).
6. The clutch release bearing testing apparatus according to claim 1, characterized in that: the tool plate (8) is fixedly connected with the release bearing unit (1) through bolts.
7. The clutch release bearing testing apparatus according to claim 3, wherein: spacing boss (13) of respectively fixed mounting on first direction support flange (2) and second direction support flange (4), spacing boss (13) subtend setting on first direction support flange (2) and second direction support flange (4), spacing boss (13) are established on spacing boss (13) are established in clutch simulation spring (3).
8. The clutch release bearing testing apparatus according to claim 3, wherein: an end face step is formed in one side, close to the separation bearing unit (1), of the first guide supporting flange (2), and the end face step is matched with the separation bearing unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263700.XU CN216955147U (en) | 2022-02-09 | 2022-02-09 | Clutch release bearing testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220263700.XU CN216955147U (en) | 2022-02-09 | 2022-02-09 | Clutch release bearing testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955147U true CN216955147U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220263700.XU Active CN216955147U (en) | 2022-02-09 | 2022-02-09 | Clutch release bearing testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955147U (en) |
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2022
- 2022-02-09 CN CN202220263700.XU patent/CN216955147U/en active Active
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