High-precision split type inductance encoder test tool
By designing a high-precision split inductive encoder test tooling including a body bracket, bearings, rotor through-hole shaft, motor and base plate, the test accuracy problem caused by the replacement and disassembly of test scenes in the existing technology is solved, and high accuracy is achieved and efficient testing process.
Patent Information
- Application Number
- CN202421237112.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The prior art is difficult to ensure the test accuracy of the split inductance encoder during replacement test scenarios and disassembly, resulting in inaccuracy of the test data.
A high-precision split inductive encoder test tooling is designed, including a body bracket, bearings, a rotor through-hole shaft, a motor and a base plate. Through the linkage between the motor and the rotor through-hole shaft, it is ensured that the relative positions of the rotor and the stator remain unchanged. Avoid positional deviation during disassembly and assembly.
It achieves high-precision testing of split inductive encoders, ensures test precision and accuracy, avoids waste of man-hours caused by repeated disassembly and assembly, and saves labor.
Smart Images
Figure CN222379116U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of inductance encoder testing, in particular to a high-precision split-type inductance encoder testing tool. Background Art
[0002] The split inductive encoder is divided into a stator and a rotor. During testing, the stator needs to be fixed, and the center point of the rotor part needs to be precisely aligned with the center point of the stator part to rotate, so as to measure long-term accurate data. It is necessary to design high-precision fixed fixtures to ensure that there is no relative position offset during long-term testing and when switching test scenes, so as to present the real product accuracy performance data. The current test fixtures often cause changes in test accuracy due to the relative position offset of the stator and rotor after disassembly and assembly and switching test scenes, making it difficult to ensure the accuracy of the test data. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the defect of the prior art that it is difficult to ensure the test accuracy due to the replacement of the test scene and the disassembly, and to provide a high-precision split inductive encoder test tooling.
[0004] The utility model adopts a technical solution to solve its technical problems, which is a high-precision split inductive encoder test fixture, including a body bracket, a bearing, a rotor through-hole shaft, a motor and a base plate, wherein the motor is fixedly connected to the body bracket, the body bracket is fixedly connected to the base plate, a bearing hole for placing the bearing is arranged on the body bracket, the motor has a rotating shaft, the bearing is fixedly connected to the rotor through-hole shaft, and the rotating shaft of the motor passes through the rotor through-hole shaft; a linkage hole is penetrated through the circumferential surface of the rotor through-hole shaft, and the motor is linked to the rotor through-hole shaft by bolts; the end surface of the rotor through-hole shaft has a rotor mounting hole, the body bracket has a stator mounting hole, the rotor to be measured is installed in alignment with the rotor mounting hole and fixed by screws, and the stator to be measured is installed in alignment with the stator mounting hole and fixed by screws.
[0005] Furthermore, the axes of the main body bracket, the bearing, the rotor through-hole shaft, the motor, the rotor to be measured, and the probe to be measured are all on the same straight line.
[0006] Furthermore, the motor has a circular protrusion on one side aligned with the body bracket, and the body bracket has a receiving hole on one side close to the motor for receiving the circular protrusion, and the radius of the receiving hole is smaller than the bearing hole to form a step and abut the bearing.
[0007] The utility model has the following beneficial technical effects:
[0008] The utility model can realize the integrated test of the split inductive encoder, ensure that the relative position distance between the rotor and the stator of the split encoder is not affected by the turnover during the test, ensure the test precision and accuracy, avoid the waste of time of repeated disassembly and assembly, and save labor. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a main overall structural schematic diagram of an embodiment of a high-precision split-type inductive encoder test tooling of the utility model;
[0010] Figure 2 It is a cross-sectional view of an embodiment of a high-precision split-type inductive encoder test tooling of the utility model;
[0011] Figure 3 The utility model is an exploded cross-sectional view of an embodiment of a high-precision split-type inductive encoder test tooling.
[0012] Description of reference numerals:
[0013] 1. Main body bracket; 11. Bearing hole; 12. Accommodating hole; 13. Stator mounting hole; 2. Bearing; 3. Rotor through-hole shaft; 31. Linkage hole; 32. Rotor mounting hole; 4. Motor; 41. Rotating shaft; 42. Circular protrusion; 5. Bottom plate; 6. Rotor to be measured; 7. Stator to be measured. DETAILED DESCRIPTION
[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0015] Reference Figures 1 to 3 This embodiment includes a body bracket 1, a bearing 2, a rotor through-hole shaft 3, a motor 4 and a base plate 5. The body bracket 1 is fixed on the base plate 5, and the motor 4 is fixedly connected to the body bracket 1.
[0016] The motor 4 has a rotating shaft 41, the bearing 2 is fixedly connected to the rotor through-hole shaft 3, and the rotating shaft 41 of the motor 4 passes through the rotor through-hole shaft 3; the motor 4 has a circular protrusion 42 on the side aligned with the main body bracket 1, and the main body bracket 1 has a receiving hole 12 on the side close to the motor 4 to accommodate the circular protrusion 42, and the other side of the main body bracket 1 is provided with a bearing 2 hole 11 for placing the bearing 2, and the radius of the receiving hole 12 is smaller than the bearing 2 hole 11 to form a step and abut the bearing 2.
[0017] The circumference of the rotor through-hole shaft 3 is penetrated by a linkage hole 31, and the bolts are fastened in the linkage hole 31 and fastened to the D-shaped shaft offset plane of the motor 4 to make the motor 4 and the rotor through-hole shaft 3 work in linkage; the end face of the rotor through-hole shaft 3 away from the motor 4 has a rotor mounting hole 32, and the side of the body bracket 1 away from the motor 4 has a stator mounting hole 13, the rotor 6 to be measured is aligned with the rotor mounting hole 32 and fixed by screws, and the probe 7 to be measured is aligned with the stator mounting hole 13 and fixed by screws. Then the motor 4 can be connected to the power supply and control signal line and other test monitoring equipment can be connected to start the test. When transferring the test environment, because the rotor and stator are on the same tooling, there is no need to disassemble and assemble repeatedly, which saves man-hours and ensures the accuracy of the test.
[0018] In addition, the axes of the main support 1, the bearing 2, the rotor through-hole shaft 3, the motor 4, the rotor to be measured 6, and the stator to be measured 7 are all on the same straight line, and the fixing method of this tooling is bolt fixing.
[0019] The above are all preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereto. Among them, the same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively. Therefore: All equivalent changes made according to the structure, shape, and principle of the present utility model should be covered within the protection scope of the present utility model.
Claims
1. A high-precision split inductive encoder test tool, characterized in that: The invention comprises a body support (1), a bearing (2), a rotor through-hole shaft (3), a motor (4) and a base plate (5), wherein the motor (4) is fixedly connected to the body support (1), the body support (1) is fixedly connected to the base plate (5), the body support (1) is provided with a bearing hole (11) for accommodating the bearing (2), the motor (4) has a rotating shaft (41), the bearing (2) is fixedly connected to the rotor through-hole shaft (3), and the rotating shaft (41) of the motor (4) The rotor through-hole shaft (3) passes through; the circumferential surface of the rotor through-hole shaft (3) is penetrated by a linkage hole (31), and bolts are fastened to make the motor (4) and the rotor through-hole shaft (3) linked; the end surface of the rotor through-hole shaft (3) has a rotor mounting hole (32), and the body bracket (1) has a stator mounting hole (13); the rotor (6) to be measured is aligned with the rotor mounting hole (32) and installed and fixed by screws, and the stator (7) to be measured is aligned with the stator mounting hole (13) and installed and fixed by screws.
2. The high-precision split-type inductive encoder test tooling according to claim 1 is characterized in that: The axes of the main body support (1), the bearing (2), the rotor through-hole shaft (3), the motor (4), the rotor to be measured (6), and the stator to be measured (7) are all on the same straight line.
3. The high-precision split-type inductive encoder test tool according to claim 1, characterized in that: The motor (4) has a circular protrusion (42) on one side aligned with the body bracket (1), and the body bracket (1) has a receiving hole (12) on one side close to the motor (4) for receiving the circular protrusion (42), wherein the radius of the receiving hole (12) is smaller than that of the bearing hole (11) so as to form a step and abut against the bearing (2).