Testing device for electric drive axle lubricating oil circuit assembly

Abstract

The utility model discloses a testing device for a lubricating oil circuit assembly of an electric drive axle, and relates to the technical field of testing devices, the testing device for the lubricating oil circuit assembly of the electric drive axle comprises a box body, a mounting cavity is defined by the box body, and the lubricating oil circuit assembly is mounted in the mounting cavity; an oil pump connected with the lubricating oil way assembly is further installed in the installation cavity, and at least one side wall of the installation cavity is of a transparent structure. According to the testing device, the side wall of the installation cavity is arranged to be of the transparent structure, the lubricating oil way assembly is located in the installation cavity, whether the lubricating function of the electric drive axle lubricating oil way assembly in the installation cavity is good or not can be visually observed, the testing time can be shortened, the testing efficiency can be improved, and the testing cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of testing devices, in particular to a testing device for an electric drive axle lubricating oil circuit assembly. Background Art

[0002] In the related art, with the continuous development of new energy vehicles, as the driving part of new energy vehicles, the electric drive axle needs to ensure that the motor power can be transmitted to the wheel ends smoothly, efficiently, durably and stably. Lubrication, as an important part of reducing the resistance between friction pairs, plays an important role in this process. Therefore, it is necessary to test the electric drive axle lubricating oil circuit assembly to judge whether the lubricating function of the electric drive axle lubricating oil circuit is good. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a testing device for an electric drive axle lubricating oil circuit assembly, which can visually observe whether the lubricating function of the electric drive axle lubricating oil circuit assembly in the installation cavity is good, is beneficial to reducing the testing time, improving the testing efficiency and reducing the testing cost.

[0004] The testing device for an electric drive axle lubricating oil circuit assembly according to an embodiment of the utility model includes: a box body, the box body defining an installation cavity for installing the lubricating oil circuit assembly, and the installation cavity is also used for installing an oil pump connected to the lubricating oil circuit assembly, and at least one side wall of the installation cavity is configured as a transparent structure.

[0005] According to the testing device of the embodiment of the present application, by setting the side wall of the installation cavity to be a transparent structure and the lubricating oil circuit assembly being located in the installation cavity, it can visually observe whether the lubricating function of the electric drive axle lubricating oil circuit assembly in the installation cavity is good, which is beneficial to reducing the testing time, improving the testing efficiency and reducing the testing cost.

[0006] According to some embodiments of the utility model, the box body includes: a plurality of plate bodies, the plurality of plate bodies being fixedly and cooperatively assembled to define the installation cavity, and the plate bodies are configured as the side walls of the installation cavity.

[0007] According to some embodiments of the utility model, a sealing member is provided between adjacent two of the plate bodies.

[0008] According to some embodiments of the utility model, at least one of the plate bodies is formed with a communicating oil passage for communicating with the lubricating oil circuit assembly.

[0009] According to some embodiments of the utility model, the box body is formed with a first mounting hole for mounting the oil pump, and the first mounting hole is communicated with the communicating oil passage.

[0010] According to some embodiments of the present utility model, the box body is formed with a first mounting portion for fixedly mounting the lubricating oil path assembly.

[0011] According to some embodiments of the present utility model, the first mounting portion is a second mounting hole.

[0012] According to some embodiments of the present utility model, the testing device for the electric drive axle lubricating oil path assembly further includes: an oil plug. The box body is formed with an oil drain hole communicating with the installation cavity, and the oil plug is detachably mounted on the oil drain hole.

[0013] According to some embodiments of the present utility model, the box body is formed with a positioning portion for positioning and mounting the lubricating oil path assembly.

[0014] According to some embodiments of the present utility model, the testing device for the electric drive axle lubricating oil path assembly further includes: a lifting lug fixedly connected to the box body.

[0015] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0016] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a schematic diagram of a testing device for an electric drive axle lubricating oil path assembly according to an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of a box body according to an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the cooperation and assembly of the box body with the lubricating oil path assembly, the oil plug, and the oil pump according to an embodiment of the present application;

[0020] Figure 4 is a schematic diagram of the lubricating oil path assembly according to an embodiment of the present application.

[0021] Reference Signs:

[0022] Testing device 1,

[0023] Box body 10, plate body 11, first plate body 111, second plate body 112, third plate body 113, fourth plate body 114, fifth plate body 115, sixth plate body 116, communicating oil passage 12, first through hole 121, first mounting hole 13, first mounting portion 14, positioning portion 15, installation cavity 16,

[0024] Lubricating oil path assembly 20, oil path mounting block 21, lubricating oil passage 22, connecting plate 23,

[0025] oil pump 30, oil plug 40, lifting lug 50. Specific implementation manner

[0026] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0027] Reference will be made below to Figures 1-4 describe a test device 1 for the lubricating oil path assembly 20 of an electric drive axle according to an embodiment of the present utility model.

[0028] The test device 1 for the lubricating oil path assembly 20 of an electric drive axle according to an embodiment of the present utility model, as Figures 1-4 shown, the test device 1 may include: a box body 10, the box body 10 defining an installation cavity 16, the installation cavity 16 being used for installing the lubricating oil path assembly 20, the installation cavity 16 further being used for installing an oil pump 30 connected to the lubricating oil path assembly 20, and at least one side wall of the installation cavity 16 being configured as a transparent structure.

[0029] It should be noted that in the related art, with the continuous development of new energy vehicles, as the driving part of new energy vehicles, the electric drive axle needs to ensure that the motor power can be transmitted to the wheel side smoothly, efficiently, and durably and stably. Lubrication, as an important link to reduce the resistance between friction pairs, plays an important role in this process. Therefore, it is necessary to test the lubricating oil path assembly of the electric drive axle to determine whether the effect of the lubricating oil path of the electric drive axle is good.

[0030] Based on this, an embodiment of the present application provides a test device 1 for an electric drive axle lubricating oil circuit assembly 20. The housing 10 can define a closed installation cavity 16, and the installation cavity 16 can be used to install the electric drive axle lubricating oil circuit assembly 20. The lubricating oil circuit assembly 20 can be fixedly connected to the housing 10 by means of bolt connection, snap connection, etc. The lubricating oil circuit assembly 20 can include an oil circuit mounting block 21 and a plurality of lubricating oil channels 22. The oil circuit mounting block 21 can communicate with the plurality of lubricating oil channels 22, enabling the lubricating oil to flow within the lubricating oil circuit assembly 20. An oil pump 30 can also be installed within the installation cavity 16. The oil pump 30 can be fixedly connected to the housing 10 by means of bolt connection, snap connection, etc. The oil pump 30 can be connected to the lubricating oil circuit assembly 20, and the oil pump 30 can drive the lubricating oil into the lubricating oil circuit assembly 20, enabling the lubricating oil to flow within the lubricating oil circuit assembly 20, thereby achieving the effect of the test device 1 testing the lubricating function of the electric drive axle lubricating oil circuit assembly 20. As an example, the lubricating oil can be located at the bottom within the installation cavity 16, thereby simulating the effect of the lubricating oil being located at the bottom of the electric drive axle housing in a real vehicle. The oil pump 30 can drive the lubricating oil to flow from the bottom of the installation cavity 16 into the lubricating oil circuit assembly 20, enabling the lubricating oil to flow within the lubricating oil circuit assembly 20.

[0031] At least one side wall of the installation cavity 16 is configured as a transparent structure. When testing the lubricating function of the electric drive axle lubricating oil circuit assembly 20, the staff can observe the interior of the installation cavity 16 through the side wall of the installation cavity 16 configured as a transparent structure, that is, the staff can observe the interior of the installation cavity 16 from the outside of the housing 10. An embodiment of the present application will be described by taking each side wall of the installation cavity 16 being configured as a transparent structure as an example. By setting the side wall of the installation cavity 16 to be configured as a transparent structure and the lubricating oil circuit assembly 20 being located within the installation cavity 16, it is possible to directly observe whether the lubricating function of the electric drive axle lubricating oil circuit assembly 20 within the installation cavity 16 is good, which is beneficial for reducing the test time, improving the test efficiency, and reducing the test cost.

[0032] In some embodiments of the present utility model, the housing 10 can be fixedly connected to electric drive axle lubricating oil circuit assemblies 20 with different structures, which can achieve the effect of the test device 1 testing the lubricating functions of different electric drive axle lubricating oil circuit assemblies 20, and is beneficial for improving the versatility and practicality of the test device 1.

[0033] In some embodiments of the present utility model, as Figures 1-3 shown, the housing 10 can include: a plurality of plate bodies 11, and the plurality of plate bodies 11 are fixedly and cooperatively assembled to define the installation cavity 16, and the plate bodies 11 are configured as the side walls of the installation cavity 16.

[0034] The box body 10 can be composed of multiple plate bodies 11. Two adjacent plate bodies 11 can be fixedly connected by means of snap connection, bolt connection, etc. Multiple plate bodies 11 that cooperate with each other in assembly can jointly define an installation cavity 16. Each plate body 11 can be configured as the side wall of the installation cavity 16, and each plate body 11 can be configured as a transparent structure. The plate body 11 can be made of materials such as acrylic plates and plastic plates, so that the box body 10 can be configured as a transparent structure, enabling the staff to observe the situation inside the installation cavity 16 from the outside of the box body 10 when testing the lubrication function of the electric drive axle lubricating oil path assembly 20, making the test simple.

[0035] As an example, the box body 10 can be configured as a cuboid structure. The box body 10 can be composed of six plate bodies 11. The box body 10 can include a first plate body 111, a second plate body 112, a third plate body 113, a fourth plate body 114, a fifth plate body 115, and a sixth plate body 116. The first plate body 111, the second plate body 112, the third plate body 113, and the fourth plate body 114 can all extend along the height direction of the box body 10. The first plate body 111, the second plate body 112, the third plate body 113, and the fourth plate body 114 can all be configured as the side plates of the box body 10. When the box body 10 is arranged as Figure 1 in the direction, the height direction of the box body 10 is Figure 1 the Z direction in []. The fifth plate body 115 and the sixth plate body 116 can extend along the horizontal plane. The fifth plate body 115 and the sixth plate body 116 can be arranged opposite to each other along the height direction of the box body 10 and spaced apart. The first plate body 111, the second plate body 112, the third plate body 113, and the fourth plate body 114 can all be perpendicular to the fifth plate body 115. The first plate body 111, the second plate body 112, the third plate body 113, and the fourth plate body 114 can all be perpendicular to the sixth plate body 116. The fifth plate body 115 can be configured as the top plate of the box body 10, and the sixth plate body 116 can be configured as the bottom plate of the box body 10.

[0036] In some embodiments of the present invention, a seal is provided between two adjacent plate bodies 11.

[0037] Two adjacent plate bodies 11 can be fixedly connected by means of snap connection, bolt connection, etc. A seal can be provided between two adjacent plate bodies 11. The seal can be configured as sealant, sealing strip, etc. By providing the seal, the sealing performance of the installation cavity 16 can be improved, the sealing effect of the box body 10 can be enhanced, and the leakage of lubricating oil from the inside of the box body 10 can be avoided, so as to avoid affecting the test results.

[0038] In some embodiments of the present invention, at least one plate body 11 is formed with a communicating oil passage 12, and the communicating oil passage 12 is used to communicate with the lubricating oil path assembly 20.

[0039] At least one plate body 11 is formed with a communicating oil passage 12 through which lubricating oil can flow. By providing the communicating oil passage 12 on the plate body 11, the oil passage on the electric drive bridge housing in a real vehicle can be simulated. The thickness of the plate body 11 where the communicating oil passage 12 is provided can be greater than that of the plate body 11 at other positions, which is beneficial to reducing the processing difficulty of the communicating oil passage 12, increasing the wall thickness of the communicating oil passage 12, and avoiding lubricating oil leakage. The communicating oil passage 12 can be communicated with the lubricating oil path assembly 20, that is, the communicating oil passage 12 can be communicated with the lubricating oil passage 22. Lubricating oil can flow into the corresponding communicating oil passage 12 from the lubricating oil passage 22, and lubricating oil can flow into the corresponding lubricating oil passage 22 from the communicating oil passage 12, so as to realize the circulating flow of lubricating oil between the communicating oil passage 12 and the lubricating oil passage 22.

[0040] As an example, the communicating oil passage 12 can be formed on the plate body 11 extending in the height direction of the housing 10. The first plate body 111, the second plate body 112, the third plate body 113 and the fourth plate body 114 can all be provided with the communicating oil passage 12, and the communicating oil passage 12 can extend in the height direction of the housing 10. The first through hole 121 can be formed on the plate body 11 where the communicating oil passage 12 is provided. The first through hole 121 can extend in the thickness direction of the plate body 11 and can be communicated with the communicating oil passage 12, so that the lubricating oil path assembly 20 can be communicated with the lubricating oil passage 22 through the first through hole 121. The first through hole 121 can be multiple, and each first through hole 121 has a corresponding lubricating oil passage 22 communicated therewith, so as to realize the effect of communicating the communicating oil passage 12 with the lubricating oil path assembly 20 at multiple places.

[0041] In some embodiments of the present utility model, the housing 10 is formed with a first mounting hole 13 for mounting the oil pump 30, and the first mounting hole 13 is communicated with the communicating oil passage 12.

[0042] The first mounting hole 13 can be formed on the plate body 11 and can penetrate the plate body 11 in the thickness direction of the plate body 11. The first mounting hole 13 can be used to mount the oil pump 30. The oil pump 30 can be inserted through the first mounting hole 13, and the oil pump 30 can be in contact with the inner wall of the first mounting hole 13, so that the oil pump 30 is fixed on the housing 10. The first mounting hole 13 is communicated with the communicating oil passage 12. When the oil pump 30 is inserted through the first mounting hole 13 and fixedly connected to the housing 10, the oil pump 30 is communicated with the communicating oil passage 12, and the oil pump 30 can drive the lubricating oil to flow into the communicating oil passage 12, and then the lubricating oil flows into the lubricating oil path assembly 20, so as to realize the effect of testing the lubrication function of the lubricating oil path assembly 20 of the electric drive bridge.

[0043] As an example, the first mounting hole 13 can be provided on the side plate of the box body 10, that is, the first mounting hole 13 can be provided on any one of the first plate body 111, the second plate body 112, the third plate body 113, and the fourth plate body 114. The first mounting hole 13 can be provided at a position close to the bottom of the box body 10, which is beneficial to reducing the flow path of the lubricating oil between the bottom of the installation cavity 16 and the oil pump 30, reducing the test time, and lowering the test cost.

[0044] In some embodiments of the present utility model, the box body 10 is formed with a first mounting portion 14 for fixedly mounting the lubricating oil path assembly 20.

[0045] The first mounting portion 14 can be used to fix the lubricating oil path assembly 20. The first mounting portion 14 can be fixedly connected to the oil path mounting block 21 of the lubricating oil path assembly 20 by means of snap connection, bolt connection, etc., so that the lubricating oil path assembly 20 is fixedly arranged in the installation cavity 16. The first mounting portion 14 can be arranged at different positions of the box body 10. The first mounting portion 14 can change the setting position according to the specific structure of the lubricating oil path assembly 20. The first mounting portion 14 can be arranged on different side walls of the installation cavity 16, so that the first mounting portion 14 can adapt to lubricating oil path assemblies 20 with different structures, which is beneficial to improving the practicability and versatility of the test device 1 for the lubricating oil path assembly 20 of the electric drive axle.

[0046] In some embodiments of the present utility model, the first mounting portion 14 is a second mounting hole.

[0047] The first mounting portion 14 can be configured as a second mounting hole. A bolt can pass through the lubricating oil path assembly 20 and be assembled with the second mounting hole, so as to achieve the effect of connecting the lubricating oil path assembly 20 to the box body 10 by bolts. The lubricating oil path assembly 20 is detachably arranged on the box body 10, which enables the box body 10 to be assembled with different lubricating oil path assemblies 20 of the electric drive axle. There can be multiple second mounting holes, and the lubricating oil path assembly 20 can be assembled with multiple second mounting holes, which is beneficial to improving the connection strength between the lubricating oil path assembly 20 and the box body 10 and the safety of the installation of the lubricating oil path assembly 20.

[0048] In some embodiments of the present utility model, the test device 1 for the lubricating oil path assembly 20 of the electric drive axle may further include: an oil plug 40. The box body 10 is formed with an oil drain hole communicating with the installation cavity 16, and the oil plug 40 is detachably installed in the oil drain hole.

[0049] An oil drain hole may be formed on the box body 10. The oil drain hole may penetrate the plate body 11 along the thickness direction of the plate body 11. The oil drain hole may communicate with the installation cavity 16 and is used to drain the lubricating oil in the installation cavity 16. The oil drain hole may be provided on the bottom plate of the box body 10, or may be provided at a position on the side plate of the box body 10 close to the bottom of the box body 10, so as to facilitate the discharge of the lubricating oil from the oil drain hole. The oil plug 40 may be made of metal materials such as stainless steel and carbon steel. The oil plug 40 is detachably installed in the oil drain hole. The oil plug 40 may penetrate through the oil drain hole and abut against the inner wall of the oil drain hole. When there is lubricating oil in the installation cavity 16 and the oil pump 30 drives the lubricating oil to flow into the communication oil passage 12 and the lubricating oil path assembly 20, the oil plug 40 is installed in the oil drain hole, and the oil plug 40 seals the installation cavity 16 to prevent the lubricating oil from flowing out of the oil drain hole. When the testing device 1 is not used to test the lubricating function of the lubricating oil path assembly 20, the oil plug 40 may be removed from the box body 10, so that the lubricating oil can be discharged from the installation cavity 16.

[0050] In some embodiments of the present utility model, the box body 10 is formed with a positioning portion 15 for positioning and installing the lubricating oil path assembly 20.

[0051] The positioning portion 15 may be fitted and assembled with the lubricating oil path assembly 20 and is used to position and install the lubricating oil path assembly 20. There may be multiple positioning portions 15, and all of the multiple positioning portions 15 may be fitted and assembled with the lubricating oil path assembly 20. According to the specific structure of the lubricating oil path assembly 20, the multiple positioning portions 15 may be distributed at different positions of the box body 10, so as to achieve the effect of multiple connections between the lubricating oil path assembly 20 and the box body 10. All of the multiple positioning portions 15 may be connected to the lubricating oil passage 22 of the lubricating oil path assembly 20. Each of the multiple positioning portions 15 has a corresponding lubricating oil passage 22 to be fitted with. The multiple lubricating oil passages 22 may be connected to the plate body 11 through the corresponding positioning portions 15, so that the multiple lubricating oil passages 22 can be installed at appropriate positions in the installation cavity 16.

[0052] As an example, the positioning portion 15 may include positioning holes that penetrate the plate body 11 along the thickness direction of the plate body 11. The lubricating oil path assembly 20 may include a connecting plate 23, and the connecting plate 23 may include connecting holes that penetrate the connecting plate 23 along the thickness direction of the connecting plate 23. The connecting plate 23 may be welded to the lubricating oil passage 22. The connecting holes may be arranged corresponding to the positioning holes. Bolts may be inserted through the connecting holes and the positioning holes and then cooperate with nuts for assembly, so as to realize the connection between the connecting plate 23 and the plate body 11, and further realize the connection effect between the lubricating oil passage 22 and the plate body 11. There may be a plurality of connecting plates 23. Each connecting plate 23 may include connecting holes. Each positioning portion 15 has a corresponding connecting plate 23 for cooperation therewith. Each positioning hole has a corresponding connecting hole arranged therewith. The lubricating oil passage 22 may be connected to the corresponding positioning portion 15 through a plurality of connecting plates 23, so as to realize multiple connections between the lubricating oil path assembly 20 and the box body 10.

[0053] In some embodiments of the present invention, the test device 1 for the electric drive axle lubricating oil path assembly 20 may further include: a lifting lug 50, and the lifting lug 50 is fixedly connected to the box body 10.

[0054] The lifting lug 50 may be made of a metal material. The lifting lug 50 may be connected to the box body 10 by bolts. The lifting lug 50 may be arranged on the side plate of the box body 10. Along the height direction of the box body 10, the lifting lug 50 may be arranged at a position on the side plate of the box body 10 close to the top plate, so as to facilitate moving the box body 10 and enable the box body 10 to be placed at a suitable position. There may be a plurality of lifting lugs 50, and the plurality of lifting lugs 50 may be evenly arranged along the circumferential direction of the box body 10. By providing a plurality of lifting lugs 50, the stability of the box body 10 during movement can be improved.

[0055] Other components and operations of the test device 1 for the electric drive axle lubricating oil path assembly 20 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

[0056] In the description of this specification, the descriptions with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0057] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A test device for an oil circuit assembly of an electric drive axle, characterized in that, Comprising: A box body (10), the box body (10) defining an installation cavity (16), the installation cavity (16) being used for installing a lubricating oil path assembly (20), and the installation cavity (16) also being used for installing an oil pump (30) connected to the lubricating oil path assembly (20), at least one side wall of the installation cavity (16) being configured as a transparent structure.

2. The test device according to claim 1, characterized in that, The box body (10) includes: a plurality of plate bodies (11), the plurality of plate bodies (11) being fixedly and cooperatively assembled to define the installation cavity (16), and the plate bodies (11) being configured as the side walls of the installation cavity (16).

3. The test device according to claim 2, wherein A seal is provided between two adjacent plate bodies (11).

4. The test device according to claim 2, characterized in that, At least one of the plate bodies (11) is formed with a communication oil passage (12), and the communication oil passage (12) is used for communicating with the lubricating oil path assembly (20).

5. The testing device according to claim 4, characterized in that, The box body (10) is formed with a first mounting hole (13), the first mounting hole (13) being used for mounting the oil pump (30), and the first mounting hole (13) communicating with the communication oil passage (12).

6. The test device according to claim 1, characterized in that, The box body (10) is formed with a first mounting portion (14), and the first mounting portion (14) is used for fixedly mounting the lubricating oil path assembly (20).

7. The testing device according to claim 6, wherein, The first mounting portion (14) is a second mounting hole.

8. The test device according to claim 1, characterized in that Further comprising: An oil plug (40), the box body (10) being formed with an oil discharge hole communicating with the installation cavity (16), and the oil plug (40) being detachably mounted on the oil discharge hole.

9. The test device according to claim 1, characterized in that, The box body (10) is formed with a positioning portion (15), and the positioning portion (15) is used for positioning and mounting the lubricating oil path assembly (20).

10. The test device according to any one of claims 1-9, characterized in that, Further comprising: A lifting lug (50), the lifting lug (50) being fixedly connected to the box body (10).

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