Tool for testing torque of rotor
By designing a motor rotor torque testing tool with a simple structure, using components such as test plates, test shaft holes and test columns, the existing tool equipment has solved the complex structure and high cost, and achieved accurate testing and cost reduction.
Patent Information
- Application Number
- CN202421404895.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The existing motor rotor torque testing tools have complex structures, which leads to high purchase costs and difficulty in conducting accurate testing, affecting product quality.
A tool including test plate, test shaft hole, ventilation hole, positioning hole, test hole and test column is designed to achieve accurate testing of rotor torque through simple structure and component connections.
It realizes the equipment structure is simple, easy to manufacture and use, reduces costs, is convenient for promotion, and can accurately test the rotor torque and ensure product quality.
Smart Images

Figure CN222671277U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor testing, in particular to a tool for testing rotor torque. Background Art
[0002] An electric motor (commonly known as a "motor") is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction.
[0003] During the production and preparation of electric motors, it is necessary to test the rotor torque. Currently, when it comes to the torque retention between the motor rotor and the shaft core, the tool equipment on the market is too complex, resulting in high equipment purchase costs. It is difficult to perform accurate testing relying solely on manpower, resulting in the inability to guarantee product quality. Utility Model Content
[0004] 1. Problems to be solved
[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a tool for testing rotor torque which is convenient to operate and use, has a simple equipment structure and is easy to manufacture and use.
[0006] (II) Technical solution
[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a tool for testing rotor torque, including a test plate, a test shaft hole is recessed in the middle of the test plate, a plurality of ventilation holes and positioning holes are recessed around the test shaft hole on the test plate, test holes are recessed at both ends of the test plate, and test columns are installed in the test holes at both ends.
[0008] As an improvement, a plurality of the positioning holes are threadedly connected with positioning pins, and an end of any positioning pin extends to the lower part of the test board.
[0009] As an improvement, the ventilation holes and positioning holes are each provided with three groups, the circular ring formed by the three groups of ventilation holes is coaxially arranged with the test shaft hole, and the circular ring formed by the three groups of positioning holes is also coaxially arranged with the test shaft hole.
[0010] As an improvement, the two ends of the test column extend to the upper end and the lower end of the test plate respectively.
[0011] (III) Beneficial effects
[0012] The advantages of the utility model compared with the prior art are: in the present application, the connection with the rotor is achieved by cooperating with a plate body with openings having multiple functions, and the reading test can be carried out by connecting an external dynamometer to the test column. The equipment has a simple structure, is easy to manufacture, is simple to operate, has low cost, and is convenient for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of a tool for testing rotor torque;
[0014] Figure 2 The utility model is a structural schematic diagram of a tool for testing rotor torque.
[0015] As shown in the figure: 1. Test board; 2. Test axis hole; 3. Ventilation hole; 4. Positioning hole; 5. Test hole; 6. Test column; 7. Positioning pin. DETAILED DESCRIPTION
[0016] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.
[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0019] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0020] Please refer to the attached Figure 1-2 A tool for testing rotor torque includes a test plate 1, wherein a test shaft hole 2 is recessed in the middle of the test plate 1. The setting of the test shaft hole 2 can be used in conjunction with the length of the shaft, and forward and reverse motor tests can be performed.
[0021] When in use, the test plate 1 is provided with a plurality of groups of ventilation holes 3 and positioning holes 4 around the test shaft hole 2, wherein the specification of the ventilation holes 3 is φ2.5 mm, and test holes 5 are provided indented at both ends of the test plate 1, and test columns 6 are installed in the test holes 5 at both ends, and there are three groups of ventilation holes 3 and positioning holes 4. The circular ring formed by the three groups of ventilation holes 3 is coaxially arranged with the test shaft hole 2, and the circular ring formed by the three groups of positioning holes 4 is also coaxially arranged with the test shaft hole 2.
[0022] For the convenience of use, a plurality of the positioning holes 4 are threadedly connected with positioning pins 7, and the end of any positioning pin 7 extends to the lower part of the test plate 1. Two ends of the test column 6 extend to the upper and lower ends of the test plate 1 respectively, so that the push-pull dynamometer can be mounted on any test column 6 as needed.
[0023] The positioning pin 7 can be fixed in contact with the outer shell of the rotor to be tested. When in use, the rotor to be tested is clamped by a bench vise, and the test plate 1 is installed coaxially with the rotor to be tested through the test shaft hole 2. The positioning hole and the positioning pin 7 are used for positioning, and the push-pull force gauge is mounted on the test column 6 for testing.
[0024] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0025] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.
[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A tool for testing rotor torque, characterized in that: The invention comprises a test plate (1), wherein a test shaft hole (2) is recessed in the middle of the test plate (1), a plurality of groups of ventilation holes (3) and positioning holes (4) are recessed in the test plate (1) around the test shaft hole (2), and test holes (5) are recessed in both ends of the test plate (1), and test columns (6) are installed in the test holes (5) at both ends.
2. A tool for testing rotor torque according to claim 1, characterized in that: A plurality of the positioning holes (4) are threadedly connected with positioning pins (7), and an end of any positioning pin (7) extends to the lower part of the test plate (1).
3. A tool for testing rotor torque according to claim 2, characterized in that: The ventilation holes (3) and the positioning holes (4) are each provided in three groups. The circular ring formed by the three groups of ventilation holes (3) is coaxially arranged with the test shaft hole (2), and the circular ring formed by the three groups of positioning holes (4) is also coaxially arranged with the test shaft hole (2).
4. A tool for testing rotor torque according to claim 1, characterized in that: The ends of the two test columns (6) are respectively extended to the upper end and the lower end of the test plate (1).