CN212776341U - Adjustable speed changer test positioning mechanism - Google Patents
Adjustable speed changer test positioning mechanism Download PDFInfo
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- CN212776341U CN212776341U CN202020951767.3U CN202020951767U CN212776341U CN 212776341 U CN212776341 U CN 212776341U CN 202020951767 U CN202020951767 U CN 202020951767U CN 212776341 U CN212776341 U CN 212776341U
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Abstract
The utility model discloses an adjustable speed changer test positioning mechanism, which comprises an installation bracket, a shaft neck positioning component arranged on the installation bracket and a shaft neck adjusting component used for adjusting the axial position of the shaft neck positioning component; the journal adjusting assembly adjusts the axial distance between the journal positioning assembly and the end face of the mounting bracket along the axial direction of the mounting bracket, and the adjustable speed changer test positioning mechanism of the technical scheme increases the spigot of the speed changer mounting bracket and enhances the test universality of the speed changer bracket. Meanwhile, the speed changer shaft neck positioning mechanism is arranged on the movable bearing seat, the universalization of the shaft positioning mechanism during the test of speed changers of different models is realized, the assembly and the operation of testing personnel are convenient, the requirement on the number of parts of a speed changer support in the speed changer test process is reduced, and the test cost of the speed changer is reduced.
Description
Technical Field
The utility model relates to an experimental test field of automotive transmission, the experimental positioning mechanism of derailleur with adjustable concretely relates to.
Background
The competition of the automobile market is increasingly violent nowadays, and higher requirements are put forward on the reliability and durability of the whole automobile. The performance requirements for reliability and durability of the transmission, which is a core component of an automobile transmission system, are also increasing. Therefore, the transmission must undergo extensive endurance reliability testing to verify its performance before completing the design. Generally, a transmission endurance reliability test is generally performed by adopting a test bench, namely, a transmission is installed on the test bench, a dragging motor is adopted to simulate the power input of an engine, and a dynamometer motor simulates a load. Because an engine is cancelled, a shaft of the transmission is not provided with a clutch for positioning during testing, so that a shaft gear is meshed to generate a jumping error, and the accuracy of a test result is influenced.
Therefore, in a transmission endurance reliability test, a bearing is generally directly disposed on a transmission test mounting bracket for positioning, and a mounting spigot of a transmission clutch case is fixed. However, the conventional one-shaft positioning structure is fixed and cannot be adjusted, and the structure adjustability function is not available, so that the transmission test with different shaft lengths cannot be met. Transmission installation locating support generally need carry out the independent design to experimental derailleur model, nevertheless makes derailleur experimental cost, cycle increase by a wide margin according to the experimental installing support of the different derailleur of different model derailleur designs.
Therefore, an adjustable transmission test positioning mechanism is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an experimental positioning mechanism of derailleur has increased derailleur installing support tang with adjustable has strengthened the experimental commonality of derailleur support. Meanwhile, the speed changer shaft neck positioning mechanism is arranged on the movable bearing seat, the universalization of the shaft positioning mechanism during the test of speed changers of different models is realized, the assembly and the operation of testing personnel are convenient, the requirement on the number of parts of a speed changer support in the speed changer test process is reduced, and the test cost of the speed changer is reduced.
An adjustable speed changer test positioning mechanism comprises a mounting bracket, a shaft neck positioning component arranged on the mounting bracket and a shaft neck adjusting component used for adjusting the axial position of the shaft neck positioning component; and the journal adjusting assembly adjusts the axial distance between the journal positioning assembly and the end face of the mounting bracket along the axial direction of the mounting bracket.
Furthermore, the mounting bracket is provided with a mounting hole for assembling the journal adjusting assembly, and the journal adjusting assembly comprises a bearing seat arranged in the mounting hole, an annular sleeve arranged in the mounting hole and a bearing arranged between the annular sleeve and the bearing seat.
Furthermore, the end part of the bearing seat extends outwards along the radial direction to form a mounting step, and a plurality of adjusting washers are arranged between the mounting step and the end surface of the mounting bracket.
Furthermore, the installation step is provided with a gasket locking hole, the end face of the installation support is provided with a support adjusting hole matched with the gasket locking hole, and the installation step is provided with an adjusting bolt used for locking the adjusting gasket on the end face of the installation support.
Further, the bearing is provided with two and two bearing mutual parallel arrangement, be provided with the retaining ring between two bearings.
Furthermore, the journal positioning assembly comprises a spline sleeve arranged in the mounting hole and abutted against the end surface of the bearing and a journal positioning block arranged in the spline sleeve.
Furthermore, the cross section of the shaft neck positioning block is T-shaped, a detection hole is formed in the shaft neck positioning block, and the detection hole and the mounting hole are coaxially arranged.
Further, the mounting step is provided with a bearing stop block for limiting the bearing, and a bearing end cover is arranged on the end face of the bearing.
Furthermore, the spline housing is inwards sunken along the radial direction to form an annular groove, and a clamping ring used for limiting the spline housing is arranged in the annular groove.
Further, a plurality of installation rabbets are arranged at the other end of the installation support.
The utility model has the advantages that:
the utility model discloses an experimental positioning mechanism of derailleur has increased derailleur installing support tang with adjustable, has strengthened the experimental commonality of derailleur support. Meanwhile, the speed changer shaft neck positioning mechanism is arranged on the movable bearing seat, the universalization of the shaft positioning mechanism during the test of speed changers of different models is realized, the assembly and the operation of testing personnel are convenient, the requirement on the number of parts of a speed changer support in the speed changer test process is reduced, and the test cost of the speed changer is reduced.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a front view of the bracket;
FIG. 3 is a schematic view of a stub shaft transmission mounting arrangement;
FIG. 4 is a schematic illustration of a long-axis transmission mounting configuration.
Detailed Description
FIG. 1 is a schematic view of the overall structure; FIG. 2 is a front view of the bracket; FIG. 3 is a schematic view of a stub shaft transmission mounting arrangement; fig. 4 is a schematic view of a long-axis transmission mounting structure, and as shown in the figure, an adjustable transmission test positioning mechanism comprises a mounting bracket 1, a journal positioning assembly arranged on the mounting bracket 1, and a journal adjusting assembly for adjusting the axial position of the journal positioning assembly; the journal adjusting assembly adjusts the axial distance between the journal positioning assembly and the end surface of the mounting bracket (the end surface of the mounting bracket is the mounting surface opposite to the mounting spigot, and is the mounting surface where the adjusting washer 5 is located) along the axial direction of the mounting bracket. According to the technical scheme, the adjustable speed changer test positioning mechanism is additionally provided with the speed changer mounting support spigot (namely the first spigot 11, the second spigot 12 and the third spigot 13), and the test universality of the speed changer support 1 is enhanced. Meanwhile, the speed changer shaft neck positioning mechanism is arranged on the movable bearing seat, the universalization of the shaft positioning mechanism during the test of speed changers of different models is realized, the assembly and the operation of testing personnel are convenient, the requirement on the number of parts of a speed changer support in the speed changer test process is reduced, and the test cost of the speed changer is reduced.
In this embodiment, be provided with the mounting hole that is used for assembling axle journal adjusting part on the installing support 1, axle journal adjusting part is including setting up bearing frame 6 in the mounting hole, setting up the ring sleeve 7 in the mounting hole and setting up the bearing 8 between ring sleeve 7 and bearing frame 6, and ring sleeve 7 sets up in the mounting hole of installing support 1, and the bearing 8 overcoat is assembled on ring sleeve 7, and overall structure is simple, and processing is convenient.
In this embodiment, the end of the bearing seat 6 extends outwards along the radial direction to form a mounting step, a plurality of adjusting washers 5 are arranged between the mounting step and the end face of the mounting bracket 1, the adjusting washers 5 can be added or reduced according to the experimental requirements, the adjusting washers 5 are mounted between the mounting step and the end face of the mounting bracket 1, the relative positions of the bearing seat 6 and the central hole of the mounting bracket 1 are changed by adopting the form of reducing the adjusting washers 5, so that the combined component integrally moves rightwards, and after the shaft journal enters the shaft journal positioning block 2, the relative positions of the bearing seat 6 and the mounting bracket 1 are fixed, so that the installation requirement during the test of the experimental transmission.
In this embodiment, the installation step is provided with a gasket locking hole, the end face of the installation support is provided with a support adjusting hole matched with the gasket locking hole, the installation step is provided with an adjusting bolt used for locking the adjusting gasket on the end face of the installation support, and the adjusting bolt penetrates through the adjusting gasket 5 and is locked between the components through the installation step and the gasket locking hole on the end face of the installation support.
In this embodiment, the bearing 8 is provided with two and two bearings parallel arrangement each other, be provided with the retaining ring between two bearings, realize the interval arrangement between the part through the retaining ring between two bearings 8, simple to operate.
In this embodiment, the journal positioning assembly includes the spline housing 3 that sets up in the mounting hole and supports and hold in the bearing end face and the journal locating piece 2 that sets up in the spline housing 3, and spline housing 3 passes annular sleeve 7 and extends to the terminal surface at tang place, and step structure's spline housing 3 is convenient in realizing the location installation, and spline housing 3 overall structure can carry out axial regulation (the axial is the horizontal direction of fig. 1) according to the experimental model of difference.
In the embodiment, the cross section of the journal positioning block 2 is in a T shape, the journal positioning block is provided with a detection hole, the detection hole and the mounting hole are coaxially arranged, the detection hole is convenient for positioning and mounting of a journal, and the coaxial arrangement is convenient for detection.
In this embodiment, the mounting step is provided with a bearing stop 10 for limiting the bearing, the bearing end face is provided with a bearing end cover 4, and the bearing stop 10 and the bearing end cover 4 are convenient for axial positioning.
In this embodiment, the spline housing 3 is recessed inward in the radial direction to form an annular groove, a snap ring 9 for limiting the spline housing is arranged in the annular groove, and the snap ring 9 is used for realizing axial limiting of the spline housing.
In this embodiment, the end of the mounting bracket 1 is provided with a plurality of mounting spigots (i.e. the first spigot 11, the second spigot 12 and the third spigot 13), and the plurality of mounting spigots facilitate the test detection of various models.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides an experimental positioning mechanism of derailleur which characterized in that with adjustable: the device comprises a mounting bracket, a journal positioning component arranged on the mounting bracket and a journal adjusting component used for adjusting the axial position of the journal positioning component; and the journal adjusting assembly adjusts the axial distance between the journal positioning assembly and the end face of the mounting bracket along the axial direction of the mounting bracket.
2. The adjustable transmission test positioning mechanism of claim 1, wherein: the mounting bracket is provided with a mounting hole for assembling the journal adjusting assembly, and the journal adjusting assembly comprises a bearing seat arranged in the mounting hole, an annular sleeve arranged in the mounting hole and a bearing arranged between the annular sleeve and the bearing seat.
3. The adjustable transmission test positioning mechanism of claim 2, wherein: the end part of the bearing seat extends outwards along the radial direction to form a mounting step, and a plurality of adjusting washers are arranged between the mounting step and the end face of the mounting bracket.
4. The adjustable transmission test positioning mechanism of claim 3, wherein: the mounting step is provided with a gasket locking hole, the end face of the mounting support is provided with a support adjusting hole matched with the gasket locking hole, and the mounting step is provided with an adjusting bolt used for locking the adjusting gasket on the end face of the mounting support.
5. The adjustable transmission test positioning mechanism of claim 4, wherein: the bearing is provided with two and two mutual parallel arrangement of bearing, be provided with the retaining ring between two bearings.
6. The adjustable transmission test positioning mechanism of claim 2, wherein: the shaft neck positioning assembly comprises a spline sleeve and a shaft neck positioning block, wherein the spline sleeve is arranged in the mounting hole and abuts against the end face of the bearing, and the shaft neck positioning block is arranged in the spline sleeve.
7. The adjustable transmission test positioning mechanism of claim 6, wherein: the cross section of the journal positioning block is T-shaped, a detection hole is formed in the journal positioning block, and the detection hole and the mounting hole are coaxially arranged.
8. The adjustable transmission test positioning mechanism of claim 5, wherein: the mounting step is provided with a bearing stop block for limiting the bearing, and the bearing end face is provided with a bearing end cover.
9. The adjustable transmission test positioning mechanism of claim 6, wherein: the spline housing is inwards sunken along the radial direction to form an annular groove, and a clamping ring used for limiting the spline housing is arranged in the annular groove.
10. The adjustable transmission test positioning mechanism of claim 1, wherein: the other end of the mounting bracket is provided with a plurality of mounting rabbets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951767.3U CN212776341U (en) | 2020-05-29 | 2020-05-29 | Adjustable speed changer test positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020951767.3U CN212776341U (en) | 2020-05-29 | 2020-05-29 | Adjustable speed changer test positioning mechanism |
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| Publication Number | Publication Date |
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| CN212776341U true CN212776341U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020951767.3U Active CN212776341U (en) | 2020-05-29 | 2020-05-29 | Adjustable speed changer test positioning mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503469A (en) * | 2020-05-29 | 2020-08-07 | 重庆理工大学 | Easy-to-adjust speed changer detector |
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2020
- 2020-05-29 CN CN202020951767.3U patent/CN212776341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503469A (en) * | 2020-05-29 | 2020-08-07 | 重庆理工大学 | Easy-to-adjust speed changer detector |
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