Detection device for motor rotating shaft

Abstract

The utility model discloses a detection device for a motor rotating shaft, which comprises a detection case, a processing detection machine table is arranged at the inner bottom end of the detection case, a driving mechanism and a rotating shaft fixing mechanism are respectively arranged at the upper end of the processing detection machine table, and a driving sliding plate is arranged on the surface of a non-lever cylinder. A sliding block assembly is fixedly welded to the surface of the lower end of the driving sliding plate, the driving sliding plate horizontally slides along the surface of the positioning sliding rail through the sliding block assembly, the positioning detection mechanism is fixed to the surface of the upper end of the driving sliding plate, a detection positioning rack is installed on the positioning detection mechanism, and an ultrasonic detection mechanism is installed at the front end of the detection positioning rack. An ultrasonic flaw detection machine head is mounted at the lower end of the ultrasonic detection mechanism. According to the utility model, the rotating shaft assembly to be detected can be installed on the fixed rack for detection by installing the convenient rotating shaft fixing mechanism, and one-by-one flaw detection can be carried out along the surface of the rotating shaft by arranging the ultrasonic flaw detection mechanism capable of being horizontally positioned and adjusted, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shaft detection, in particular to a motor shaft detection device. Background Art

[0002] The C-shaped center hole of the motor shaft is the benchmark for machining the motor rotor. The internal thread of the C-shaped center hole is the thread for installing the motor tail shaft. Its radial runout has a great influence on the radial runout of the motor tail shaft after installation. In addition, an encoder is usually installed on the motor tail shaft. Excessive radial runout of the motor tail shaft will affect the data and life of the encoder. Therefore, the measurement of the radial runout of the C-shaped center hole of the motor shaft has become an important part of the quality inspection of the motor encoder installation.

[0003] The Chinese authorized patent document with publication number CN220136208U discloses a motor shaft detection device, including a clamp, a cylinder, a stud, a column, a cross frame, and a dial indicator fixed on the cross frame, and also includes a guide rod fixed on the column with a flange on the top, the guide rod is provided with a spring and a sliding sleeve, and a detachable camera is installed on the sliding sleeve. In this application, the camera is installed at the end of the sliding sleeve. Under the action of the spring, the camera and the dial indicator are in a staggered state, so that the staff can read the dial indicator. When the hook is connected to the rotating frame, the camera is just aligned with the dial indicator head, which can be used to record the data of the dial indicator. Compared with the staff's memory, it will not be forgotten and is not easy to have errors.

[0004] The motor shaft detection device in the above-mentioned prior art cannot perform all-round rapid positioning flaw detection on the motor shaft, resulting in low shaft detection efficiency. Therefore, it is necessary to develop a new type of motor shaft detection device. Utility Model Content

[0005] The purpose of the utility model is to provide a detection device for a motor shaft, so as to solve the problem that the detection device for a motor shaft in the prior art proposed in the above background technology cannot perform all-round rapid positioning flaw detection on the motor shaft, resulting in low shaft detection efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detection device for a motor shaft, comprising a detection chassis, a processing and detection machine platform is installed at the internal bottom end position of the detection chassis, a driving mechanism and a shaft fixing mechanism are respectively installed at the upper end of the processing and detection machine platform, a positioning detection mechanism is installed on the driving mechanism, the driving mechanism comprises a barless cylinder and a positioning slide rail, a driving slide is installed on the surface of the barless cylinder, a slider assembly is welded and fixed to the lower end surface of the driving slide rail, the driving slide rail slides horizontally along the surface of the positioning slide rail through the slider assembly, the positioning detection mechanism is installed and fixed on the upper end surface of the driving slide rail, a detection positioning frame is installed on the positioning detection mechanism, an ultrasonic detection mechanism is installed at the front end of the detection positioning frame, and an ultrasonic flaw detection head is installed at the lower end of the ultrasonic detection mechanism.

[0007] Based on the above, a fixed frame is installed on the rotating shaft fixing mechanism, and a bearing fixing piece is arranged at the upper end of the fixed frame.

[0008] Based on the above, a detection shaft body is installed between the bearing fixing parts, and a servo drive motor is fixedly connected to one end of the detection shaft body.

[0009] Based on the above, the front end surface of the detection and positioning frame is provided with a fixed track, and the surface of the fixed track is installed with a lifting slider.

[0010] Based on the above, the front end surface of the lifting slider is fixedly connected to the lifting machine seat by welding.

[0011] Based on the above, the lifting machine seat is adjusted by vertical sliding along the surface of the fixed track through the lifting slider.

[0012] Based on the above, the ultrasonic detection mechanism is fixedly mounted on the lift seat via a clamp.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is equipped with a convenient shaft fixing mechanism, so that the shaft assembly to be tested can be installed on a fixed frame for testing; the shaft can be driven to rotate in a direction by a servo drive motor, so that a comprehensive rotation test can be performed on its surface; and an ultrasonic flaw detection mechanism with horizontal positioning adjustment can be provided, so that horizontal reciprocating linear motion can be performed along the shaft surface, so that the shaft surface can be flaw-detected one by one, thereby improving the detection efficiency and the detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a schematic diagram of the partial installation structure of the utility model.

[0018] In the figure: 1. Detection chassis; 2. Processing and detection machine; 3. Positioning detection mechanism; 4. Driving mechanism; 5. Shaft fixing mechanism; 6. Servo drive motor; 7. Fixed frame; 8. Detection shaft body; 9. Bearing fixing part; 10. Lifting seat; 11. Ultrasonic detection mechanism; 12. Ultrasonic flaw detection head; 13. Slider assembly; 14. Positioning slide rail; 15. Lifting slide; 16. Fixed rail; 17. Detection and positioning frame; 18. Driving slide plate; 19. Barless cylinder. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-3 The utility model provides an embodiment: a detection device for a motor shaft, comprising a detection chassis 1, a processing and detection machine 2 is installed at the bottom end of the detection chassis 1, a driving mechanism 4 and a shaft fixing mechanism 5 are respectively installed on the upper end of the processing and detection machine 2, a positioning detection mechanism 3 is installed on the driving mechanism 4, the driving mechanism 4 comprises a barless cylinder 19 and a positioning slide rail 14, a driving slide 18 is installed on the surface of the barless cylinder 19, a slider assembly 13 is welded and fixed to the lower end surface of the driving slide 18, the driving slide 18 slides horizontally along the surface of the positioning slide rail 14 through the slider assembly 13, the positioning detection mechanism 3 is installed and fixed on the upper end surface of the driving slide 18, a detection positioning frame 17 is installed on the positioning detection mechanism 3, an ultrasonic detection mechanism 11 is installed at the front end of the detection positioning frame 17, and an ultrasonic flaw detection head 12 is installed at the lower end of the ultrasonic detection mechanism 11.

[0021] Furthermore, a fixed frame 7 is installed on the shaft fixing mechanism 5, and a bearing fixing part 9 is provided at the upper end of the fixed frame 7, which is convenient for quickly installing and fixing the detection shaft body 8. The detection shaft body 8 is installed between the bearing fixing parts 9, and one end of the detection shaft body 8 is fixedly connected to a servo drive motor 6, which can be used to drive the detection shaft body 8 to rotate through the servo drive motor 6, so as to facilitate the detection of various surfaces thereof. A fixed rail 16 is provided on the front end surface of the detection positioning frame 17, and a lifting slider 15 is installed on the surface of the fixed rail 16. The front end surface of the lifting slider 15 is fixedly connected to a lifting seat 10 by welding. The lifting seat 10 is adjusted by vertical sliding along the surface of the fixed rail 16 through the lifting slider 15, so as to facilitate the convenient adjustment of the installation height of the lifting seat 10. The ultrasonic detection mechanism 11 is fixedly installed on the lifting seat 10 through a clamp, so as to facilitate the rapid limit installation and fixation of the ultrasonic detection mechanism 11.

[0022] Working principle: When in use, a processing and testing machine 2 is installed at the bottom end of the detection chassis 1, and a driving mechanism 4 and a rotating shaft fixing mechanism 5 are respectively installed on the upper end of the processing and testing machine 2. A positioning detection mechanism 3 is installed on the driving mechanism 4, and a fixed frame 7 is installed on the rotating shaft fixing mechanism 5. A bearing fixing part 9 is provided at the upper end of the fixed frame 7, which is convenient for quickly installing and fixing the detection rotating shaft body 8. The detection rotating shaft body 8 is installed between the bearing fixing parts 9, and one end of the detection rotating shaft body 8 is fixedly connected to a servo driving motor 6, which can be used to drive the detection rotating shaft body 8 to rotate through the servo driving motor 6, so as to facilitate the detection of all sides thereof. The driving mechanism 4 includes a barless cylinder 19 and a positioning slide rail 14, and a driving slide plate 18 is installed on the surface of the barless cylinder 19, and a slider group is welded and fixed to the lower end surface of the driving slide plate 18 Part 13, the driving slide 18 slides horizontally along the surface of the positioning slide rail 14 through the slider assembly 13, the positioning detection mechanism 3 is installed and fixed on the upper end surface of the driving slide 18, and the driving slide 18 on the barless cylinder 19 is controlled to make horizontal linear motion, so that the positioning detection mechanism 3 can conveniently make reciprocating linear motion on the surface of the rotating shaft, and a detection positioning frame 17 is installed on the positioning detection mechanism 3, and an ultrasonic detection mechanism 11 is installed at the front end of the detection positioning frame 17, and an ultrasonic flaw detection head 12 is installed at the lower end of the ultrasonic detection mechanism 11. By driving the ultrasonic detection mechanism 11 to make horizontal reciprocating linear motion, it is convenient for the ultrasonic flaw detection head 12 to perform flaw detection one by one along the surface of the detection rotating shaft main body 8. After detecting one side, the detection rotating shaft main body 8 is changed to detect by driving the servo drive motor 6 to achieve a comprehensive detection effect.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for a motor shaft, comprising a detection chassis (1), characterized in that: A processing and testing machine (2) is installed at the bottom end of the detection chassis (1), and a driving mechanism (4) and a rotating shaft fixing mechanism (5) are respectively installed at the upper end of the processing and testing machine (2). A positioning and testing mechanism (3) is installed on the driving mechanism (4), and the driving mechanism (4) includes a barless cylinder (19) and a positioning slide rail (14). A driving slide (18) is installed on the surface of the barless cylinder (19), and a slider assembly (13) is welded and fixed to the lower end surface of the driving slide (18). The driving slide (18) slides horizontally along the surface of the positioning slide rail (14) through the slider assembly (13). The positioning and testing mechanism (3) is installed and fixed on the upper end surface of the driving slide (18). A detection and positioning frame (17) is installed on the positioning and testing mechanism (3), and an ultrasonic detection mechanism (11) is installed at the front end of the detection and positioning frame (17), and an ultrasonic flaw detection machine head (12) is installed at the lower end of the ultrasonic detection mechanism (11).

2. A motor shaft detection device according to claim 1, characterized in that: A fixed frame (7) is installed on the rotating shaft fixing mechanism (5), and a bearing fixing member (9) is provided at the upper end of the fixed frame (7).

3. A motor shaft detection device according to claim 2, characterized in that: A detection shaft body (8) is installed between the bearing fixing members (9), and one end of the detection shaft body (8) is fixedly connected to a servo drive motor (6).

4. A motor shaft detection device according to claim 1, characterized in that: A fixed track (16) is provided on the front end surface of the detection and positioning frame (17), and a lifting slider (15) is installed on the surface of the fixed track (16).

5. A motor shaft detection device according to claim 4, characterized in that: The front end surface of the lifting slide block (15) is fixedly connected to the lifting machine seat (10) by welding.

6. A motor shaft detection device according to claim 5, characterized in that: The lifting machine seat (10) is adjusted by vertically sliding along the surface of the fixed track (16) via the lifting slider (15).

7. A motor shaft detection device according to claim 6, characterized in that: The ultrasonic detection mechanism (11) is fixedly mounted on the lifting machine base (10) via a clamp.

Images