CN222850295U - A test fixture for gearbox - Google Patents
A test fixture for gearbox Download PDFInfo
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- CN222850295U CN222850295U CN202421611787.0U CN202421611787U CN222850295U CN 222850295 U CN222850295 U CN 222850295U CN 202421611787 U CN202421611787 U CN 202421611787U CN 222850295 U CN222850295 U CN 222850295U
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- gearbox
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- plate body
- adapter
- workbench
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Abstract
本实用新型涉及测试工装技术领域，公开了一种用于变速箱的测试工装，包括：工作台；驱动电机，设置在工作台上并设置有用于连接变速箱输入端的第一转接轴；负载电机，设置在工作台上，连接变速箱的输出端；转接组件，包括转接板和辅位轴承，转接板设置在工作台上，转接板位于变速箱朝向驱动电机的一侧，第一转接轴穿设转接板，辅位轴承可转动的设置在转接板上并套设在第一转接轴上，辅位轴承用于限制第一转接轴的晃动。本实用新型通过这样的结构，第一转接轴能够被辅位轴承支撑和限位，减少第一转接轴的晃动，从而让驱动电机与变速箱之间稳定传动，避免损坏变速箱的内部结构。
The utility model relates to the technical field of test fixtures, and discloses a test fixture for a gearbox, including: a workbench; a drive motor, which is arranged on the workbench and is provided with a first adapter shaft for connecting to the input end of the gearbox; a load motor, which is arranged on the workbench and connected to the output end of the gearbox; an adapter assembly, including an adapter plate and an auxiliary bearing, the adapter plate is arranged on the workbench, the adapter plate is located on the side of the gearbox facing the drive motor, the first adapter shaft passes through the adapter plate, the auxiliary bearing is rotatably arranged on the adapter plate and sleeved on the first adapter shaft, and the auxiliary bearing is used to limit the shaking of the first adapter shaft. Through such a structure, the utility model can support and limit the first adapter shaft by the auxiliary bearing, reduce the shaking of the first adapter shaft, thereby allowing stable transmission between the drive motor and the gearbox and avoiding damage to the internal structure of the gearbox.
Description
Technical Field
The utility model relates to the technical field of test tools, in particular to a test tool for a gearbox.
Background
At present, a driving motor and a load motor are usually installed on a testing tool for a gearbox, the gearbox works under the driving of the driving motor and is connected with the load motor at an output end, and the performance of the gearbox is evaluated by the load motor. However, the rotational speed of the driving motor is very high, and the connection of the driving motor and the input end of the gearbox has the problem of unstable transmission, which results in damage to the internal structure of the gearbox.
Disclosure of utility model
The utility model aims to provide a testing tool for a gearbox, which can enable a driving motor to stably drive the gearbox.
In order to achieve the above object, the present utility model provides a testing tool for a gearbox, comprising:
A work table;
The driving motor is arranged on the workbench and is provided with a first rotating shaft used for connecting the input end of the gearbox;
the load motor is arranged on the workbench and is connected with the output end of the gearbox;
The switching assembly comprises an adapter plate and an auxiliary position bearing, wherein the adapter plate is arranged on the workbench, the adapter plate is positioned on one side, facing the driving motor, of the gearbox, the first switching shaft penetrates through the adapter plate, the auxiliary position bearing is rotatably arranged on the adapter plate and sleeved on the first switching shaft, and the auxiliary position bearing is used for limiting shaking of the first switching shaft.
In some embodiments of the application:
The adapter plate comprises a first plate body and a second plate body, the first plate body is arranged on the workbench, the second plate body is connected to the plate surface, deviating from the driving motor, of the first plate body, the auxiliary bearing is rotatably connected to the second plate body, and the first adapter shaft penetrates through the first plate body and the second plate body.
In some embodiments of the application:
the first plate body is provided with a first pin hole, the second plate body is provided with a second pin hole, and the first pin hole and the second pin hole are correspondingly arranged and connected through a first pin.
In some embodiments of the application:
the second plate body is further provided with a third pin hole, a second pin is arranged in the third pin hole, and the second pin is further used for being matched with the gearbox.
In some embodiments of the application:
The second plate body is provided with a first through hole, the first rotating shaft penetrates through the second plate body through the first through hole, and the auxiliary bearing is rotatably connected in the first through hole.
In some embodiments of the application:
the first plate body is provided with a second through hole, the first connecting shaft penetrates through the second through hole to be arranged on the first plate body in a penetrating mode, and the projection contour of the inner ring of the auxiliary bearing completely falls into the projection contour of the second through hole in the axial direction of the first connecting shaft.
In some embodiments of the application:
The switching assembly further comprises a cover plate, the cover plate is sleeved on the first switching shaft, the cover plate cover is arranged on the auxiliary position bearing, and the cover plate is located on one side, deviating from the driving motor, of the auxiliary position bearing.
In some embodiments of the application:
the load motor is provided with a second switching shaft, and the second switching shaft is used for being connected with the output end of the gearbox.
In some embodiments of the present application, the test fixture for a gearbox further comprises:
The speed reducer is arranged on the workbench, the load motor is connected with the output end of the speed reducer through the second switching shaft, the input end of the speed reducer is provided with a third switching shaft, and the third switching shaft is used for being connected with the output end of the gearbox.
In some embodiments of the present application, the test fixture for a gearbox further comprises:
the support is connected with the workbench, and the speed reducer is arranged on the workbench through the support.
Compared with the prior art, the testing tool for the gearbox has the beneficial effects that:
The utility model relates to a testing tool for a gearbox, which comprises a workbench, a driving motor and a load clicking and switching assembly, wherein the driving motor and the load clicking and switching assembly are arranged on the workbench, the switching assembly comprises a switching plate arranged on the workbench and an auxiliary bearing capable of rotating on the switching plate, and the auxiliary bearing is sleeved on a first switching shaft connected with the gearbox and the driving motor. Through such structure, first pivot can be supported and spacing by assisting the position bearing, reduces the rocking of first pivot to let stable transmission between driving motor and the gearbox, avoid damaging the inner structure of gearbox.
Drawings
Fig. 1 is a schematic structural diagram of a testing tool for a gearbox according to an embodiment of the utility model.
Fig. 2 is a schematic view of the structure of fig. 1 at another angle.
FIG. 3 is a schematic illustration of the construction of a transfer assembly and gearbox of an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a switching assembly according to an embodiment of the utility model.
Fig. 5 is a schematic structural view of a first board body according to an embodiment of the utility model.
Fig. 6 is a schematic structural view of a second plate and an auxiliary bearing according to an embodiment of the present utility model.
Fig. 7 is a schematic view showing an internal structure of a decelerator according to an embodiment of the present utility model.
In the figure, 1, an adapter assembly, 2, a first adapter shaft, 3, a second adapter shaft, 4, a speed reducer, 5, a third adapter shaft, 6, a bracket, 7, a gearbox, 11, an adapter plate, 12, an auxiliary bearing, 13, a cover plate, 111, a first plate, 112, a second plate, 113, a first pin, 114, a second pin, 1111, a first pin hole, 1112, a second through hole, 1121, a second pin hole, 1122, a third pin hole, 1123 and a first through hole.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, a testing tool for a gearbox 7 according to a preferred embodiment of the present utility model includes a workbench, a driving motor, a load motor and a switching assembly 1.
The drive motor is arranged on the table and is provided with a first spindle 2 for connection to the input of the gearbox 7. The driving motor is connected with the gearbox 7 through the first connecting shaft 2 and drives the gearbox 7 to work.
The load motor is arranged on the workbench and is connected with the output end of the gearbox 7.
The gearbox 7 outputs the rotational speed to a load motor, which is responsible for evaluating the performance of the gearbox 7.
The adapter assembly 1 comprises an adapter plate 11 and an auxiliary position bearing 12, wherein the adapter plate 11 is arranged on a workbench, the adapter plate 11 is positioned on one side of the gearbox 7 facing the driving motor, the adapter plate 11 is penetrated by the first adapter shaft 2, the auxiliary position bearing 12 is rotatably arranged on the adapter plate 11 and sleeved on the first adapter shaft 2, and the auxiliary position bearing 12 is used for limiting the shaking of the first adapter shaft 2.
The adapter plate 11 can limit the position of the auxiliary position bearing 12, the position of the first adapter shaft 2 can be limited by the arrangement of the auxiliary position bearing 12, the first adapter shaft 2 can be supported and limited by the auxiliary position bearing 12, and the shaking of the first adapter shaft 2 is reduced, so that stable transmission between the driving motor and the gearbox 7 is realized, and the damage to the internal structure of the gearbox 7 is avoided.
In some embodiments, referring to fig. 3-4, the adapter plate 11 includes a first plate 111 and a second plate 112, the first plate 111 is disposed on the workbench, the second plate 112 is connected to a plate surface of the first plate 111 facing away from the driving motor, the auxiliary bearing 12 is rotatably connected to the second plate 112, and the first adapter shaft 2 penetrates through the first plate 111 and the second plate 112.
The first plate 111 is used for letting the keysets 11 be fixed on the workstation, and simultaneously first plate 111 still is used for fixed second plate 112, and second plate 112 is used for providing the condition for assisting the setting of position bearing 12, and the gearbox 7 can also be connected to second plate 112, and the position of spacing gearbox 7 cooperates the rocking of assisting position bearing 12 common reduction first pivot 2.
The first plate 111 and the second plate 112 may be coupled by bolts. In order to ensure the centring of the drive motor and the gearbox 7, a first rotational shaft connection is provided, and the connecting bolts of the first plate 111 and the second plate 112 are provided in a plurality and around the auxiliary bearing 12.
In some embodiments, referring to fig. 5 and 6, a first pin hole 1111 is formed in the first plate 111, a second pin hole 1121 is formed in the second plate 112, and the first pin hole 1111 is disposed corresponding to the second pin hole 1121 and connected by a first pin 113.
The arrangement of the first pin hole 1111 and the second pin hole 1121 ensures that the first plate body 111 and the second plate body 112 are positioned through the first pin 113, so that the second plate body 112 can be more accurate in the installation position of the first plate body 111, the neutrality of the driving motor and the gearbox 7 is ensured, and the transmission stability between the driving motor and the gearbox 7 is improved.
In the present embodiment, the first pins 113 are provided in two and are provided at opposite corners of the second plate 112, respectively.
In some embodiments, a third pin hole 1122 is further provided in the second plate 112, and a second pin 114 is provided in the third pin hole 1122, the second pin 114 further being configured to mate with the gearbox 7.
The second plate 112 can be positioned with the gearbox 7 through the second pin 114, so that the mounting position of the gearbox 7 on the second plate 112 is more accurate, the neutrality of the driving motor and the gearbox 7 is ensured, and the transmission stability between the driving motor and the gearbox 7 is improved.
In the present embodiment, the second pins 114 are provided in two and are provided at the other diagonal corners of the second plate 112, respectively.
In some embodiments, the second plate 112 is provided with a first through hole 1123, and the first rotating shaft 2 penetrates the second plate 112 through the first through hole 1123, and the auxiliary bearing 12 is rotatably connected in the first through hole 1123.
Through setting up first through-hole 1123, assist position bearing 12 is rotatory in first through-hole 1123, can restrict assist position bearing 12 at the radial displacement of first adapter shaft 2 to reduce the rocking of first adapter shaft 2, thereby let stable transmission between driving motor and the gearbox 7, avoid damaging the inner structure of gearbox 7.
In some embodiments, the first plate 111 is provided with a second through hole 1112, the first shaft 2 is penetrated through the first plate 111 by the second through hole 1112, and in the axial direction of the first shaft 2, the projection profile of the inner ring of the auxiliary bearing 12 completely falls into the projection profile of the second through hole 1112.
In other words, the second through hole 1112 is larger than the first through hole 1123, so that the problem of poor centering caused by machining errors between the first through hole 1123 and the second through hole 1112 can be avoided, the machining precision requirement of the second through hole 1112 is reduced, and the machining difficulty of the test fixture for the gearbox 7 can be reduced.
In some embodiments, the adapter assembly 1 further includes a cover plate 13, the cover plate 13 is sleeved on the first adapter shaft 2, the cover plate 13 is covered on the auxiliary position bearing 12, and the cover plate 13 is located on one side of the auxiliary position bearing 12 away from the driving motor.
The cover plate 13 can protect the auxiliary bearing 12 from being interfered by the external environment, so that the transmission stability between the driving motor and the gearbox 7 is improved and ensured.
In some embodiments, the load motor is provided with a second adapter shaft 3, and the second adapter shaft 3 is used for connecting with an output end of the gearbox 7.
The second adapter shaft 3 is also connected by a shaft to ensure the transmission stability between the gearbox 7 and the load motor.
In some embodiments, referring to fig. 2 and fig. 7, the test fixture for the gearbox 7 further includes a speed reducer 4, the speed reducer 4 is disposed on a workbench, the load motor is connected to an output end of the speed reducer 4 through a second adapter shaft 3, an input end of the speed reducer 4 is provided with a third adapter shaft 5, and the third adapter shaft 5 is used for connecting to an output end of the gearbox 7.
With the continuous development of new energy automobiles, the output rotating speed of the gearbox 7 is higher and higher, the highest rotating speed of a load motor in the prior art is generally less than 3000rpm, and the highest output rotating speed of some gearboxes 7 can reach 7200rpm, which is far beyond the limit rotating speed of the load motor in the prior art. Therefore, the speed reducer 4 is provided, so that the speed of the load motor can be maintained within the affordable operating range, and the versatility of the test tool for the gearbox 7 can be improved.
In addition, due to the higher rotational speed, there is also a higher demand for centring between the drive motor and the gearbox 7. In this embodiment, by providing the auxiliary bearing 12, the first pin 113 and the second pin 114, the centering between the drive motor and the gearbox 7 can be ensured, and the smoothness of the transmission between the drive motor and the gearbox 7 can be ensured.
In some embodiments, the test fixture for the gearbox 7 further comprises a support 6, the support 6 is connected with a workbench, and the speed reducer 4 is arranged on the workbench through the support 6.
The arrangement of the bracket 6 can fix the speed reducer 4 on a workbench and stably transfer the transmission among the gearbox 7, the speed reducer 4 and the load motor.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A test fixture for gearbox, its characterized in that includes:
A work table;
The driving motor is arranged on the workbench and is provided with a first rotating shaft used for connecting the input end of the gearbox;
the load motor is arranged on the workbench and is connected with the output end of the gearbox;
The switching assembly comprises an adapter plate and an auxiliary position bearing, wherein the adapter plate is arranged on the workbench, the adapter plate is positioned on one side, facing the driving motor, of the gearbox, the first switching shaft penetrates through the adapter plate, the auxiliary position bearing is rotatably arranged on the adapter plate and sleeved on the first switching shaft, and the auxiliary position bearing is used for limiting shaking of the first switching shaft.
2. The test fixture for a gearbox of claim 1, wherein:
The adapter plate comprises a first plate body and a second plate body, the first plate body is arranged on the workbench, the second plate body is connected to the plate surface, deviating from the driving motor, of the first plate body, the auxiliary bearing is rotatably connected to the second plate body, and the first adapter shaft penetrates through the first plate body and the second plate body.
3. The test fixture for a gearbox of claim 2, wherein:
the first plate body is provided with a first pin hole, the second plate body is provided with a second pin hole, and the first pin hole and the second pin hole are correspondingly arranged and connected through a first pin.
4. The test fixture for a gearbox of claim 2, wherein:
the second plate body is further provided with a third pin hole, a second pin is arranged in the third pin hole, and the second pin is further used for being matched with the gearbox.
5. The test fixture for a gearbox of claim 2, wherein:
The second plate body is provided with a first through hole, the first rotating shaft penetrates through the second plate body through the first through hole, and the auxiliary bearing is rotatably connected in the first through hole.
6. The test fixture for a gearbox of claim 5, wherein:
the first plate body is provided with a second through hole, the first connecting shaft penetrates through the second through hole to be arranged on the first plate body in a penetrating mode, and the projection contour of the inner ring of the auxiliary bearing completely falls into the projection contour of the second through hole in the axial direction of the first connecting shaft.
7. The test fixture for a gearbox of claim 5, wherein:
The switching assembly further comprises a cover plate, the cover plate is sleeved on the first switching shaft, the cover plate cover is arranged on the auxiliary position bearing, and the cover plate is located on one side, deviating from the driving motor, of the auxiliary position bearing.
8. The test fixture for a gearbox of claim 1, wherein:
the load motor is provided with a second switching shaft, and the second switching shaft is used for being connected with the output end of the gearbox.
9. The test fixture for a gearbox of claim 8, further comprising:
The speed reducer is arranged on the workbench, the load motor is connected with the output end of the speed reducer through the second switching shaft, the input end of the speed reducer is provided with a third switching shaft, and the third switching shaft is used for being connected with the output end of the gearbox.
10. The test fixture for a gearbox of claim 9, further comprising:
the support is connected with the workbench, and the speed reducer is arranged on the workbench through the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421611787.0U CN222850295U (en) | 2024-07-09 | 2024-07-09 | A test fixture for gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421611787.0U CN222850295U (en) | 2024-07-09 | 2024-07-09 | A test fixture for gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222850295U true CN222850295U (en) | 2025-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421611787.0U Active CN222850295U (en) | 2024-07-09 | 2024-07-09 | A test fixture for gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222850295U (en) |
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2024
- 2024-07-09 CN CN202421611787.0U patent/CN222850295U/en active Active
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