Motor part testing tool

By designing an integrated testing fixture for motor components, a drive motor is used to rotate the shaft, and airtightness and durability tests are conducted in conjunction with a sealed cavity. This solves the problem of simultaneous testing in existing technologies and achieves highly efficient testing results.

CN224398962UActive Publication Date: 2026-06-23SUZHOU LEGO MOTORS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU LEGO MOTORS CO LTD
Filing Date
2025-06-26
Publication Date
2026-06-23

Smart Images

  • Figure CN224398962U_ABST
    Figure CN224398962U_ABST
Patent Text Reader

Abstract

The utility model discloses a motor spare part test frock belongs to motor spare part test technical field, including drive motor and a plurality of frock body, the frock body number is at least one group, the frock body includes mounting seat, pivot, oil seal and conducting ring, the mounting seat with drive motor's drive shaft is coaxial arrangement, the pivot is installed in the mounting seat through bearing, and the pivot is linked with drive motor's drive shaft, the oil seal is connected with the pivot through first pressure cover, the conducting ring is connected with the pivot through second pressure cover, when the pivot rotates, will oil seal and conducting ring test. The utility model carries out durability test to oil seal and conducting ring, can check the state of oil seal through air tightness test in the durability test process, therefore, this test frock combines durability test and air tightness test, can effectively improve test efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of motor component testing technology, and in particular relates to a testing fixture for motor components. Background Technology

[0002] Motors typically operate under conditions of long-term operation, load, and temperature changes. To ensure the overall lifespan of the motor and improve its performance stability and lifespan, it is necessary to understand the actual service life of the oil seals and conductive rings. Therefore, the entire motor needs to undergo airtightness and durability testing. However, existing airtightness and durability testing fixtures are usually used separately for testing, which means they cannot simultaneously perform airtightness and durability testing on the oil seals and conductive rings, resulting in low testing efficiency. Utility Model Content

[0003] This utility model overcomes the shortcomings of the prior art by providing a testing fixture for motor components to solve the problems existing in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a testing fixture for motor components, comprising a drive motor and several fixture bodies, wherein:

[0005] The tooling body is in the form of at least one set. The tooling body includes a mounting base, a rotating shaft, an oil seal, and a conductive ring. The mounting base is coaxially arranged with the drive shaft of the drive motor. The rotating shaft is mounted in the mounting base through a bearing and is connected to the drive shaft of the drive motor. The oil seal is connected to the rotating shaft through a first pressure sleeve, and the conductive ring is connected to the rotating shaft through a second pressure sleeve. When the rotating shaft rotates, the oil seal and the conductive ring are tested.

[0006] In a preferred embodiment of this utility model, one end of the rotating shaft is provided with an access slot, and the drive shaft of the drive motor is embedded in the access slot to drive the rotating shaft.

[0007] In a preferred embodiment of this utility model, a connecting key is provided at the end of the rotating shaft away from the access card slot, and the connecting key connects adjacent rotating shafts.

[0008] In a preferred embodiment of this utility model, a cover plate is provided on the mounting base to install the oil seal and the conductive ring.

[0009] In a preferred embodiment of this utility model, the mounting base is provided with an air hole, and an air permeability valve or an air tightness testing device is connected to the air hole.

[0010] In a preferred embodiment of the present invention, a support frame is further included, which securely mounts the mounting base.

[0011] In a preferred embodiment of the present invention, a mounting pad is further included, which securely mounts the drive motor.

[0012] This utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0013] The motor component testing fixture of this utility model drives a rotating shaft via a drive motor. During the rotation of the shaft, the durability of the oil seal and conductive ring is tested. During the durability test, the airtightness test can be performed through the sealed cavity to verify the actual effect of the oil seal durability test. Therefore, this testing fixture combines durability testing and airtightness testing, and its structure has a higher degree of integration, which can effectively improve testing efficiency. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of the tooling body according to a preferred embodiment of the present invention;

[0017] Figure 3 This is a cross-sectional view of the tooling body according to a preferred embodiment of the present invention;

[0018] Figure 4 for Figure 3 Enlarged view of section A in the middle;

[0019] In the diagram: 10, drive motor; 20, tooling body; 21, mounting base; 211, air hole; 22, rotating shaft; 221, access slot; 222, connecting key; 23, oil seal; 24, conductive ring; 30, first pressure sleeve; 40, second pressure sleeve; 50, cover plate; 60, support frame; 70, mounting pad; 80, bearing. Detailed Implementation

[0020] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0021] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0022] This embodiment provides a test fixture for motor components. The test fixture drives the rotating shaft 22 via the drive motor 10. During the rotation of the rotating shaft 22, the oil seal 23 and the conductive ring 24 are subjected to durability tests. During the durability test, the airtightness test can be performed through the sealed cavity to verify the actual effect of the oil seal 23 after the durability test. Therefore, this test fixture combines durability testing and airtightness testing, and its structure has a higher degree of integration, which can effectively improve the testing efficiency.

[0023] Combination Figures 1 to 4 As shown, the motor component testing fixture of this embodiment performs durability tests on the oil seal 23 and the conductive ring 24. The testing fixture includes a drive motor 10 and several fixture bodies 20, wherein there are three sets of fixture bodies 20 connected in sequence, which can test oil seals 23 and conductive rings 24 of different specifications.

[0024] In this embodiment, the tooling body 20 includes a mounting base 21, a rotating shaft 22, an oil seal 23, and a conductive ring 24. The mounting base 21 is coaxially arranged with the drive shaft of the drive motor 10. The rotating shaft 22 is mounted in the mounting base 21 through a bearing 80 and is connected to the drive shaft of the drive motor 10. The oil seal 23 is connected to the rotating shaft 22 through a first pressure sleeve 30, and the conductive ring 24 is connected to the rotating shaft 22 through a second pressure sleeve 40. When the rotating shaft 22 rotates, the oil seal 23 and the conductive ring 24 are tested. In this embodiment, the drive motor 10 drives the rotating shaft 22 to rotate. After a certain rotation cycle... Remove the oil seal 23 and conductive ring 24, and check the surface wear and overall condition of the conductive ring 24. This achieves the durability test and final condition confirmation of the conductive ring 24. The mounting base 21 is provided with an air hole 211. During the air tightness test, the air tightness test equipment is connected at the air hole 211. When the rotating shaft 22 stops rotating, the air tightness test can be carried out. The condition of the oil seal 23 after the durability test is verified by the test results. During the durability test and the operation of the overall tooling, a vent valve is installed at the air hole 211 to balance the air pressure inside and outside the cavity and prevent damage to parts caused by excessive pressure difference between the cavity and the external environment.

[0025] Furthermore, the mounting base 21 in this embodiment is provided with a cover plate 50 to install the oil seal 23 and the conductive ring 24, so that the rotating shaft 22 can perform durability tests on the oil seal 23 and the conductive ring 24 during rotation. In this embodiment, the cover plate 50 is a replaceable part, and the oil seal 23 and the conductive ring 24 can be installed on the cover plate 50. Different cover plates 50 can be replaced according to different specifications of oil seal 23 and conductive ring 24 to achieve testing of oil seal 23 and conductive ring 24 of different specifications.

[0026] Combination Figure 2 and Figure 3 As shown, in this embodiment, one end of the rotating shaft 22 is provided with an access slot 221. The drive shaft of the drive motor 10 is embedded in the access slot 221 to drive the rotating shaft 22. The end of the rotating shaft 22 away from the access slot 221 is provided with a connecting key 222. The connecting key 222 connects adjacent rotating shafts 22. The adjacent rotating shafts 22 are connected by the connecting key 222 and the access slot 221, thereby ensuring that the drive motor 10 can drive all rotating shafts 22. All rotating shafts 22 rotate synchronously to realize the testing of oil seals 23 and conductive rings 24 of different specifications.

[0027] In this embodiment, there are three sets of tooling bodies 20 connected in sequence. The three sets of tooling bodies 20 use oil seals 23 and conductive rings 24 of different specifications. Therefore, they can test oil seals 23 and conductive rings 24 of different specifications, improve testing efficiency, and have stronger versatility.

[0028] like Figure 1As shown, the test fixture in this embodiment also includes a support frame 60 and a mounting pad 70. The support frame 60 fixes the mounting base 21, and the mounting pad 70 fixes the drive motor 10. The support frame 60 can install the fixture body 20 at the end, while the mounting pad 70 can install the drive motor 10 so that the drive motor 10 can drive the rotating shaft 22 of the fixture body 20.

[0029] In practical use, the test fixture of this embodiment has the drive motor 10 and the mounting base 21 of the fixture body 20 coaxially arranged, and the drive shaft of the drive motor 10 is connected to the rotating shaft 22 of the fixture body 20. The drive motor 10 drives the rotating shaft 22 to rotate, and the rotating shaft 22 can rub against the oil seal 23 and the conductive ring 24, realizing the durability test of the oil seal 23 and the conductive ring 24. When the rotating shaft 22 stops rotating, the air tightness test equipment is connected through the air hole 211. By monitoring the air pressure in the mounting base 21, the durability effect of the oil seal 23 is confirmed. Therefore, the test fixture of this embodiment simultaneously realizes the durability test of the oil seal 23 and the conductive ring 24 and the actual confirmation of the test effect, and the test efficiency is higher.

[0030] While the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the present invention. That is, the methods, systems, or devices discussed above are merely examples. Various configurations can be appropriately omitted, substituted, or added to various processes or components. For example, in alternative configurations, methods can be performed in a different order than described, and / or various stages can be added, omitted, and / or combined. Moreover, features described with respect to certain configurations can be combined in various other configurations. Different aspects and elements of the configuration can be combined in a similar manner. Furthermore, as technology develops, many elements are merely examples and do not limit the scope of this disclosure or the claims.

[0031] Specific details are provided in the specification to offer a thorough understanding of exemplary configurations, including implementations. However, configurations can be practiced without these specific details; for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail to avoid obscuring the configuration. This description provides only exemplary configurations and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes can be made to the function and arrangement of the elements without departing from the spirit or scope of this disclosure.

[0032] Furthermore, although each operation can be described as a sequential process, many operations can be executed in parallel or simultaneously. Additionally, the order of operations can be rearranged. A process may have additional steps. Moreover, examples of methods can be implemented using hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware, or code, the program code or code segments used to perform the necessary tasks can be stored in a non-transitory computer-readable medium such as a storage medium and executed by a processor.

[0033] In summary, the above detailed description is intended to be exemplary rather than limiting, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of this invention. These embodiments should be understood as illustrative only and not as limiting the scope of protection of this invention. After reading the description of this invention, those skilled in the art can make various alterations or modifications to it, and these equivalent changes and modifications also fall within the scope defined by the claims of this invention.

Claims

1. A testing fixture for motor components, characterized in that, Includes a drive motor (10) and several tooling bodies (20), wherein: The tooling body (20) is at least one set. The tooling body (20) includes a mounting base (21), a rotating shaft (22), an oil seal (23), and a conductive ring (24). The mounting base (21) is coaxially arranged with the drive shaft of the drive motor (10). The rotating shaft (22) is installed in the mounting base (21) through a bearing (80) and is connected to the drive shaft of the drive motor (10). The oil seal (23) is connected to the rotating shaft (22) through a first pressure sleeve (30). The conductive ring (24) is connected to the rotating shaft (22) through a second pressure sleeve (40). When the rotating shaft (22) rotates, the oil seal (23) and the conductive ring (24) are tested.

2. The testing fixture for motor components according to claim 1, characterized in that, One end of the rotating shaft (22) is provided with an access slot (221), and the drive shaft of the drive motor (10) is embedded in the access slot (221) to drive the rotating shaft (22).

3. The testing fixture for motor components according to claim 2, characterized in that, A connecting key (222) is provided at the end of the rotating shaft (22) away from the access card slot (221), and the connecting key (222) connects the adjacent rotating shafts (22).

4. The testing fixture for motor components according to claim 1, characterized in that, The mounting base (21) is provided with a cover plate (50) for mounting the oil seal (23) and the conductive ring (24).

5. A testing fixture for motor components according to claim 1, characterized in that, The mounting base (21) is provided with an air hole (211), and an air valve or an air tightness testing device is connected to the air hole (211).

6. The testing fixture for motor components according to claim 1, characterized in that, It also includes a support frame (60) that securely mounts the mounting base (21).

7. The testing fixture for motor components according to claim 1, characterized in that, It also includes a mounting pad (70) for fixing the drive motor (10) in place.