CN211504528U

CN211504528U - Wet-type double clutch dynamic balance test fixture

Info

Publication number: CN211504528U
Application number: CN202020260771.5U
Authority: CN
Inventors: 陈宾杨
Original assignee: Chongqing Yuxiang Shihui Transmission Co ltd
Current assignee: Chongqing Yuxiang Shihui Transmission Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-09-15
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a wet-type double clutch dynamic balance test fixture, which comprises a wet-type double clutch, an input hole is processed in the middle of the input end of a clutch, the fixture also comprises a centering component and a fixture body, the centering component is arranged in the clutch and extends into the fixture body; the clutch is connected to the testing equipment through the fixture body, the centering purpose of the whole clutch is achieved through the centering assembly, a plurality of key teeth matched with the clutch are processed on the centering assembly and the fixture body respectively, the matching of the clutch and the fixture body is guaranteed, the testing quality of dynamic balance is also guaranteed, a process threaded hole is processed in the spline shaft, the clutch can be conveniently taken out after the test is completed, and the overall testing efficiency is improved.

Description

Wet-type double clutch dynamic balance test fixture

Technical Field

The utility model relates to an automobile parts tests technical field, concretely relates to wet-type double clutch dynamic balance test fixture.

Background

With the popularization of automobiles and the development of the automobile industry, the performance requirements of people on automobiles are higher and higher, how to improve the NHV performance of the automobiles becomes the mainstream research direction, the NHV performance of an automobile is improved by multiple aspects, one of the NHV performance is a clutch, the dynamic balance test is usually carried out on tires in the prior art, the dynamic balance test is not carried out on the clutch and a wet-type double clutch, the wet-type double clutch consists of multiple independent parts, after the assembling, several parts can rotate independently, the combined part with the multiple parts rotating simultaneously is very difficult to carry out the dynamic balance of the assembly, and therefore a fixing tool is urgently needed to be fixed on equipment to complete the test.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a wet-type double clutch dynamic balance test fixture to the dynamic balance test of wet-type double separation and reunion has been solved, clutch efficiency of software testing has been improved.

The utility model provides a wet-type double clutch dynamic balance test fixture, including wet-type double clutch, processing has an input hole in the middle part of the input of clutch, still includes centering subassembly and anchor clamps body, the centering subassembly is installed in the clutch and is stretched into in the anchor clamps body, the anchor clamps body includes the adapter sleeve, connects first anchor clamps body and the second anchor clamps body on the adapter sleeve; the connecting sleeve is connected to the testing equipment, the second clamp body is connected in the first clamp body, the top end face of the second clamp body is flush with the top end face of the first clamp body, and the inner side face of the second clamp body is in clearance fit with the outer wall of the input end of the clutch.

Preferably, the centering assembly comprises a tubular centering sleeve, a spline sleeve and a spline shaft; the spline sleeve is inserted into the centering sleeve for clearance fit, and the spline shaft is inserted into the spline sleeve for clearance fit; the outer wall of the centering sleeve is in clearance fit with the inner wall of the input hole, the spline sleeve comprises a tubular key body, one ring of the outer wall at one end of the tubular key body is provided with key teeth, the spline shaft comprises a stepped shaft-shaped shaft body, one end of the shaft body is provided with the key teeth, and the key teeth ends of the spline sleeve and the spline shaft extend into the clutch and are matched with the clutch.

Preferably, it is characterized in that: the free extending end of the centering sleeve is flush with the end face of the input end of the clutch, a positioning edge is machined on the inner wall of the spline sleeve, which is far away from the key tooth end, and the shaft space of the spline shaft, which is far away from the key tooth end, is matched with the positioning edge, so that the spline shaft penetrates through the spline sleeve and extends into the connecting sleeve.

Preferably, the first clamp body comprises an annular body, an annular sinking platform is processed at one end of the annular body, and the second clamp body is installed on the sinking platform.

Preferably, the second clamp body comprises an annular ring body, the inner wall of the annular ring body is further connected with a plurality of protruding gear-shaped matching teeth, and the matching teeth are matched with the gear ring at the input end of the clutch.

Preferably, a technical threaded hole is processed on the end face of the free protruding end of the spline shaft.

The beneficial effects of the utility model are embodied in: the utility model discloses structurally connect the clutch on test equipment through the anchor clamps body, accomplish the centering purpose that whole separation and reunion was played through centering subassembly, and process respectively on centering subassembly and the anchor clamps body and have a plurality of key teeth that match with the separation and reunion, guaranteed clutch and the concrete cooperation of anchor clamps, also guaranteed dynamic balance's test quality, processing has the technology screw hole on the integral key shaft, has made things convenient for taking out after the test is accomplished, has improved holistic efficiency of software testing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic view of a structure of the wet-type dual clutch assembled according to the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a structural view of a second clamp body of the present invention;

FIG. 4 is an axial cross-sectional view of the middle spline housing of the present invention;

fig. 5 is a structural view of the spline shaft of the present invention.

In the attached drawings, a connecting sleeve 1, a first clamp body 2, a second clamp body 3, matching teeth 31, a clutch 4, a centering sleeve 5, a spline shaft 6, a process threaded hole 61 and a spline sleeve 7.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1, the wet type double clutch dynamic balance testing tool comprises a wet type double clutch 4, an input hole is processed in the middle of an input end of the clutch 4, and the wet type double clutch dynamic balance testing tool further comprises a centering assembly and a clamp body; the centering assembly is arranged in the clutch 4 and extends into the clamp body, and the clamp body comprises a connecting sleeve 1, a first clamp body 2 and a second clamp body 3 which are connected to the connecting sleeve 1; the connecting sleeve 1 is connected to a testing device, the second clamp body 3 is connected to the inside of the first clamp body 2, the top end face of the second clamp body 3 is flush with the top end face of the first clamp body 2, and the inner side face of the second clamp body 3 is in clearance fit with the outer wall of the input end of the clutch 4. The test device is a dynamic balance test device in the prior art, and the clutch 4 is a common wet-type dual clutch 4, wherein the input end in the wet-type dual clutch 4 is: requiring insertion of one end of the input shaft, is a prior art configuration.

Preferably, the centering assembly comprises a tubular centering sleeve 5, a spline sleeve 7 and a spline shaft 6; the spline housing 7 is inserted into the centering sleeve 5 for clearance fit, and the spline shaft 6 is inserted into the spline housing 7 for clearance fit; the outer wall of the centering sleeve 5 is in clearance fit with the inner wall of the input hole, the spline sleeve 7 comprises a tubular key body, the outer wall of one end of the tubular key body is provided with a ring of key teeth, the spline shaft 6 comprises a shaft body in a stepped shaft shape, the key teeth are processed on one end of the shaft body, the key teeth ends of the spline housing 7 and the spline shaft 6 extend into the clutch 4 and are matched with the clutch 4, the spline shaft 6 and the spline housing 7 have spline teeth matched with the gear ring in the clutch 4 to further improve the centering degree and the stability of the utility model, and it should be noted that, wherein spline shafts 6 and spline teeth of spline sleeves 7 are processed according to the matching of gear rings in input holes of the clutch 4, the arrangement of the centering sleeve 5 ensures that the assembly is more stable, and the split design reduces the thermal expansion property of the dynamic balance high-speed rotating parts, and the disassembly is more convenient.

Preferably, it is characterized in that: the free end that stretches out of centering sleeve 5 flushes with the terminal surface of the input of clutch 4, processing has the location edge on the inner wall that spline housing 7 kept away from the key tooth end, the position between the axle that spline shaft 6 kept away from the key tooth end with the location edge cooperation, so that spline shaft 6 passes spline housing 7 and stretches into in the adapter sleeve 1.

Preferably, the first clamp body 2 comprises an annular body, an annular sinking platform is processed at one end of the annular body, and the second clamp body 3 is mounted on the sinking platform.

Preferably, the second fixture body 3 comprises an annular ring body, the inner wall of the annular ring body is further connected with a plurality of protruding gear-shaped matching teeth 31, and the matching teeth 31 are matched with a gear ring at the input end of the clutch 4; the split design of the first clamp body 2 and the second clamp is such that it is satisfied by replacing the second clamp body 3 or the first clamp body 2 when the clutch 4 is of a different size.

Preferably, a technical threaded hole 61 is processed on the end face of the free protruding end of the spline shaft 6; the above-mentioned threaded hole 61 is convenient to take out when the spline housing 7 and the spline shaft 6 need to be taken off after the test is completed, (by screwing the bolt with the handle into the threaded hole to take out).

The operation of the embodiment configured as described above is explained below:

the utility model discloses a wet-type double clutch dynamic balance test fixture, which comprises a wet-type double clutch 4, an input hole is processed in the middle of the input end of the clutch 4, and the fixture further comprises a centering component and a fixture body; the specific components and arrangement positions (as shown in fig. 1); the working principle is as follows: the whole clutch 4 is supported by the clamp body, and then the centering of the component is completed by the centering assembly, so that the concentricity of the dynamic balance testing device and the testing equipment is ensured. The specific treatment process comprises the following steps: connecting the connecting sleeve 1 to a test device through a bolt, connecting the first clamp body 2 to the connecting sleeve 1 through a bolt, and connecting the second clamp body 3 to a sinking platform of the first clamp body 2; then assembling a centering assembly; firstly, a spline shaft 6 is sleeved in a spline sleeve 7, then a centering sleeve 5 is installed in an input hole of a clutch 4, then the spline sleeve 7 sleeved with the spline shaft 6 is inserted into a clutch, and key teeth are respectively matched with the clutch in a replacement way; the clutch 4 assembled with the centering assembly is assembled on the clamp body, so that the spline sleeve 7 and the spline grooves are matched with the clamp body and the connecting sleeve 1, and the matching teeth 31 on the second clamp body 3 are matched with the gear ring at the input end of the clutch 4 to complete assembly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a wet-type double clutch dynamic balance test fixture, includes wet-type double clutch, has an input hole, its characterized in that at the middle part processing of the input of clutch: the centering device comprises a centering assembly and a clamp body, wherein the centering assembly is arranged in a clutch and extends into the clamp body; the clamp body comprises a connecting sleeve, a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are connected to the connecting sleeve; the connecting sleeve is connected to the testing equipment, the second clamp body is connected in the first clamp body, the top end face of the second clamp body is flush with the top end face of the first clamp body, and the inner side face of the second clamp body is in clearance fit with the outer wall of the input end of the clutch.

2. The wet type double clutch dynamic balance test tool according to claim 1, characterized in that: the centering assembly comprises a tubular centering sleeve, a spline sleeve and a spline shaft; the spline sleeve is inserted into the centering sleeve for clearance fit, and the spline shaft is inserted into the spline sleeve for clearance fit; the outer wall of the centering sleeve is in clearance fit with the inner wall of the input hole, the spline sleeve comprises a tubular key body, one ring of the outer wall at one end of the tubular key body is provided with key teeth, the spline shaft comprises a stepped shaft-shaped shaft body, one end of the shaft body is provided with the key teeth, and the key teeth ends of the spline sleeve and the spline shaft extend into the clutch and are matched with the clutch.

3. The wet type double clutch dynamic balance test tool according to claim 2, characterized in that: the free extending end of the centering sleeve is flush with the end face of the input end of the clutch, a positioning edge is machined on the inner wall of the spline sleeve, which is far away from the key tooth end, and the shaft space of the spline shaft, which is far away from the key tooth end, is matched with the positioning edge, so that the spline shaft penetrates through the spline sleeve and extends into the connecting sleeve.

4. The wet type double clutch dynamic balance test tool according to claim 1, characterized in that: the first clamp body comprises an annular body, an annular sinking platform is machined at one end of the annular body, and the second clamp body is installed on the sinking platform.

5. The wet type double clutch dynamic balance test tool according to claim 4, characterized in that: the second clamp body comprises an annular ring body, a plurality of protruding gear-shaped matching teeth are further connected to the inner wall of the annular ring body, and the matching teeth are matched with the gear ring at the input end of the clutch.

6. The wet type double clutch dynamic balance test tool according to claim 3, characterized in that: and a technical threaded hole is processed on the end surface of the free extending end of the spline shaft.