Device for efficiently measuring gap between rotor and stator

By using an adjustable-length connecting rod and an anti-slip block design, the problem of low efficiency of traditional measuring tools when measuring deep gaps is solved, and efficient and stable measurement of rotor-stator gap is achieved.

CN224051276UActive Publication Date: 2026-03-27SHANGHAI WEIGUO HARDWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional rotor-stator gap measuring tools have non-adjustable lengths, resulting in low efficiency when measuring deeper gaps and a tendency for displacement during the measurement process.

Method used

A sliding adjustable connecting rod and spring rod structure was designed, combined with an ultra-miniature laser rangefinder and anti-slip block, to ensure the stability and applicability of the measuring device.

Benefits of technology

It expands the scope of application, improves the stability and convenience of the measuring device, reduces the risk of displacement during the measurement process, and enhances the protection of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gap measuring devices, and discloses a rotor and stator gap efficient measuring device which comprises a grip, a connecting rod is arranged in the grip in a sliding mode, a subminiature laser range finder probe is fixedly arranged at the upper end of the connecting rod, and spring rods are fixedly arranged at the lower ends of the two sides of the connecting rod. First anti-skid blocks are fixedly arranged on the opposite outer sides of the two spring rods, a signal receiving control box is fixedly arranged on the lower side of the front end of the grip, a mounting groove is formed in the lower end of the grip, and a protective cover is arranged at the lower end of the mounting groove in a magnetic attraction mode. According to the utility model, the length of the connecting rod can be adjusted in a sliding manner, the gap between the rotor and the stator at a deeper position can be measured, the application range is expanded, the compression spring outside the spring rod enables the first anti-skid block to be tightly attached to the inner wall of the grip, stable support is provided for the measuring device, and the second anti-skid block is provided with the anti-skid protrusions. And displacement of the device during measurement is further prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gap measuring device technical field especially relates to a rotor stator gap high -efficient measuring device. BACKGROUND

[0002] Rotor and stator are two important components of motor, rotor is the rotating part of motor, stator is the stationary part of motor, the gap between rotor and stator is called air gap, and the size of air gap has important influence on the performance and efficiency of motor, and it usually needs to use gap measuring device to detect.

[0003] The measurement of the gap between the stator and the rotor usually needs to be carried out inside the generator, and the traditional method of inserting a wooden wedge ruler or a steel wedge plug into the gap for measurement is extremely inconvenient when measuring deep gaps, and seriously affects the work efficiency, therefore, the technical personnel in the art provides a rotor stator gap high -efficient measuring device to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model discloses a rotor stator gap high -efficient measuring device, the connecting rod of the device can be slidably adjusted in length, can measure the rotor stator gap of position deep, expands the scope of application, and the compression spring outside spring rod makes the first antiskid block closely adhere to the inner wall of the handle, provides stable support for the measuring device, and the second antiskid block is designed with anti -skid protruding, further prevents the displacement of the device when measuring.

[0005] To achieve the above object, the utility model provides the following technical scheme: a rotor stator gap high -efficient measuring device, including handle, handle inside slide is provided with connecting rod, the upper end of connecting rod is fixedly arranged with ultrasmall laser range finder probe, the lower end position of both sides of connecting rod is fixedly arranged with spring rod, and one antiskid block is fixedly arranged on the opposite outer side of two spring rods.

[0006] The lower side of the front end of the handle is fixedly provided with a signal receiving control box, and the lower end of the handle is provided with a mounting groove.

[0007] Further, the upper end of the outer surface of the handle is fixedly provided with a stop block, and the upper end of the outer surface of the handle is provided with a threaded groove.

[0008] Further, the front end of the signal receiving control box is fixedly provided with a display screen, and the front side of the signal receiving control box is fixedly provided with a button on both sides of the lower part.

[0009] Further, the mounting groove is fixedly provided with super strong adhesive on the top surface, and the lower end of the super strong adhesive is fixedly provided with a second magnet.

[0010] Further, the outer surface of the connecting rod is fixedly provided with a second anti-skid block at the lower end position, and the lower end of the ultra-small laser range finder probe is fixedly provided with a spring type power supply connecting line.

[0011] Further, the outer surface of the connecting rod is fixedly provided with a second anti-skid block at the lower end position, and the lower end of the ultra-small laser range finder probe is fixedly provided with a spring type power supply connecting line.

[0012] Further, the outer surface of the connecting rod is fixedly provided with a second anti-skid block at the lower end position, and the lower end of the ultra-small laser range finder probe is fixedly provided with a spring type power supply connecting line.

[0013] Further, the outer surface of the connecting rod is fixedly provided with a second anti-skid block at the lower end position, and the lower end of the ultra-small laser range finder probe is fixedly provided with a spring type power supply connecting line.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model provides a high -efficient measuring device of rotor stator gap, the connecting rod of the device can be length adjustable, can measure the rotor stator gap of position deeper, expands the scope of application, and the compression spring outside spring rod makes the first anti -skid block closely adhere to the inner wall of the handle, provides stable support for the measuring device, and the second anti -skid block is designed with anti -skid convex, further prevents the displacement of the device when measuring.

[0016] 2. The utility model provides a high -efficient measuring device of rotor stator gap, the device can be after use, and the protective cover is threadedly covered in the outer surface of the threaded groove on the upper end of the handle, and the ultra-small laser range finder probe is protected, the protection is improved, and the whole device is small and convenient, and the weight is lighter, and it is convenient for people to use for a long time. DRAWINGS

[0017] Figure 1 It is the axial side schematic view of the utility model;

[0018] Figure 2 It is the rear view axial side schematic view of the utility model;

[0019] Figure 3 It is the side view axial side schematic view of the utility model;

[0020] Figure 4 It is the front view schematic view of the utility model;

[0021] Figure 5 It is the structure enlarged schematic view of the utility model A.

[0022] Legend:

[0023] 1 handle; 2 connecting rod; 3 ultra-small laser range finder probe; 4 signal receiving control box; 5 display screen; 6 button; 7 stop block; 8 threaded groove; 9 anti-skid sleeve; 10 protective cover; 11 No. 1 magnet; 12 No. 1 anti-skid block; 13 mounting groove; 14 sliding groove; 15 spring power supply connecting line; 16 super strong adhesive; 17 No. 2 magnet; 18 No. 2 anti-skid block; 19 spring rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Referring to Figures 1-5 An embodiment provided by the utility model: a rotor stator gap efficient measuring device, including handle 1, handle 1 inside slidingly arranged with connecting rod 2, the upper end of connecting rod 2 is fixedly arranged with ultra-small laser range finder probe 3, the lower end position of both sides of connecting rod 2 is fixedly arranged with spring rod 19, one anti-skid block 12 is fixedly arranged on the opposite outer side of two spring rods 19, the lower side position of the front end of handle 1 is fixedly arranged with signal receiving control box 4, the lower end of handle 1 is provided with mounting groove 13, and protective cover 10 is magnetically attracted and arranged at the lower end of mounting groove 13;

[0026] Specifically, handle 1 is made of high-strength and lightweight engineering plastic material, which not only ensures the comfort of holding, but also effectively reduces the weight of the overall device, facilitates the long-time handheld operation of the operator, connecting rod 2 can be slidably adjusted in length, when the rotor stator gap of some deep position needs to be measured, connecting rod 2 can be slidably adjusted in length, thereby expanding the application range of the measuring device, the outer surface of two spring rods 19 is provided with compression spring, when No. 1 anti-skid block 12 contacts the inner wall of handle 1, the compression spring will produce certain elastic deformation, so that No. 1 anti-skid block 12 is always tightly attached to the inner wall of handle 1, providing stable support for the measuring device, ensuring the position stability of ultra-small laser range finder probe 3 in the measurement process, signal receiving control box 4 is integrated with signal processing module and power module inside, the signal processing module is responsible for receiving the distance signal sent by ultra-small laser range finder probe 3, and converts it into intuitive data displayed on display screen 5, mounting groove 13 facilitates the magnetic attraction of protective cover 10, and facilitates the reduction of the problem of loss of protective cover 10 when protective cover 10 is not used.

[0027] The outer surface of the handle 1 is fixed with a stopper 7 at the upper end, and a threaded groove 8 is formed at the upper end of the outer surface of the handle 1. The front end of the signal receiving control box 4 is fixed with a display screen 5 at the upper side, and the front side of the signal receiving control box 4 is fixed with a button 6 at the lower side. The inner top surface of the mounting groove 13 is fixed with a super strong adhesive 16, and the lower end of the super strong adhesive 16 is fixed with a No. 2 magnet 17. The outer surface of the connecting rod 2 is fixed with a No. 2 anti-skid block 18 at the lower end. The lower end of the ultra-small laser range finder probe 3 is fixed with a spring type power supply connecting line 15. The outer surface of the handle 1 is sleeved with an anti-skid sleeve 9 at the middle position. The upper end of the protective cover 10 is fixed with a No. 1 magnet 11. The handle 1 is provided with a sliding groove 14 at the middle position.

[0028] Specifically, the stopper 7 is in the form of a ring, and its outer diameter is slightly larger than the outer diameter of the handle 1. It is used in cooperation with the threaded groove 8. After the device is used, the protective cover 10 is threaded on the outer surface of the threaded groove 8 to protect the probe. The spring type power supply connecting line 15 has good flexibility and stretchability. During the up and down sliding of the connecting rod 2, the spring type power supply connecting line 15 can freely stretch and contract, ensuring stable power supply for the ultra-small laser range finder probe 3, and avoiding affecting the normal work of the ultra-small laser range finder probe 3 due to the pulling of the connecting line. The anti-skid sleeve 9 is made of soft silica gel material with high friction. It is tightly sleeved on the outer surface of the handle 1 at the middle position, further enhancing the stability of the operator holding the device, preventing the device from slipping off the hand, and displaying the measurement data on the display screen 5. The button 6 includes a measurement start button 6 and a data zero reset button 6. After the operator presses the measurement start button 6, the ultra-small laser range finder probe 3 starts to work and emits a laser beam to measure the gap distance. Pressing the data zero reset button 6 can clear the current measurement data on the display screen 5 for the next measurement. The ultra-small laser range finder probe 3 of the device is a Kekite TLS-30C high-precision laser ranging displacement sensor. The signal receiving control box 4, the display screen 5 and the button 6 are all existing mature technologies, so they are not described in detail in this article. The super strong adhesive 16 is conducive to the adhesion and fixation of the No. 2 magnet 17. The No. 2 magnet 17 is convenient to cooperate with the No. 1 magnet 11 for magnetic attraction and fixation of the protective cover 10. The sliding groove 14 is conducive to the up and down sliding adjustment of the length of the connecting rod 2 inside. The No. 2 anti-skid block 18 is also made of rubber material, and the side in contact with the handle 1 is designed with special anti-skid protrusions to further improve the friction between the device and the measured object during measurement, preventing displacement of the device during measurement.

[0029] Working principle: the handle 1 is made of high-strength and light-weight engineering plastic material, providing comfortable holding feeling and reducing weight, the anti-skid sleeve 9 is tightly sleeved in the middle of the handle 1, enhancing the holding stability, the display screen 5 can display measurement data, the button 6 includes a measurement start button 6 and a data zero reset button 6, the signal receiving control box 4 is internally integrated with a signal processing module and a power module, when the rotor-stator gap needs to be measured at a deep position, the connecting rod 2 is pulled, due to the existence of the sliding groove 14, the connecting rod 2 can slide up and down in the handle 1 to adjust the length, at the same time, the spring type power supply connecting line 15 can freely stretch and contract with the connecting rod 2 due to good flexibility and stretchability, ensuring stable power supply for the ultra-small laser range finder probe 3;

[0030] Secondly, the outer surface of the spring rod 19 at the lower end of the connecting rod 2 has a compression spring, when the first anti-skid block 12 contacts the inner wall of the handle 1, the compression spring produces elastic deformation, so that the first anti-skid block 12 is always tightly attached to the inner wall of the handle 1, providing stable support for the measuring device, ensuring the position stability of the ultra-small laser range finder probe 3, the second anti-skid block 18 has special anti-skid protrusions on the surface in contact with the handle 1, further preventing displacement of the device during measurement, during measurement, the operator presses the measurement start button 6, the ultra-small laser range finder probe 3 starts to work, emits a laser beam to measure the gap distance, the signal processing module receives the distance signal sent by the ultra-small laser range finder probe 3, and converts it into intuitive data displayed on the display screen 5, after measurement is completed, if the next measurement is needed, the data zero reset button 6 is pressed to clear the current measurement data on the display screen 5, after the device is used, the protective cover 10 is screwed onto the outer surface of the threaded groove 8 at the upper end of the handle 1, protecting the ultra-small laser range finder probe 3.

[0031] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A rotor-stator gap high efficiency measuring device comprising a handle (1), characterized in that: The inside sliding handle (1) is provided with a connecting rod (2), the upper end of the connecting rod (2) is fixedly provided with a subminiature laser range finder probe (3), the lower end of the connecting rod (2) is fixedly provided with a spring rod (19) on both sides, and the opposite outer sides of the two spring rods (19) are fixedly provided with a first anti-skid block (12). The lower side of the front end of the handle (1) is fixedly provided with a signal receiving control box (4), the lower end of the handle (1) is provided with a mounting groove (13), and the lower end of the mounting groove (13) is magnetically provided with a protective cover (10).

2. A rotor-stator gap efficiency measuring device according to claim 1, wherein: The upper middle end of the outer surface of the handle (1) is fixedly provided with a stop block (7), and the upper end of the outer surface of the handle (1) is provided with a threaded groove (8).

3. A rotor-stator gap efficiency measuring device according to claim 1, wherein: The upper side of the front end of the signal receiving control box (4) is fixedly provided with a display screen (5), and the lower side of the front end of the signal receiving control box (4) is fixedly provided with a button (6).

4. A rotor-stator gap efficiency measuring device according to claim 1, wherein: The inner top surface of the mounting groove (13) is fixedly provided with super strong adhesive (16), and the lower end of the super strong adhesive (16) is fixedly provided with a second magnet (17).

5. A rotor-stator gap high efficiency measuring device as claimed in claim 1, wherein: The lower middle end of the outer surface of the connecting rod (2) is fixedly provided with a second anti-skid block (18), and the lower end of the subminiature laser range finder probe (3) is fixedly provided with a spring type power supply connecting line (15).

6. A rotor-stator gap high efficiency measuring device according to claim 1, wherein: The middle part of the outer surface of the handle (1) is sleeved with an anti-skid sleeve (9).

7. A rotor-stator gap efficiency measuring device as claimed in claim 1, wherein: The upper end of the protective cover (10) is fixedly provided with a first magnet (11).

8. A rotor-stator gap efficiency measuring device as claimed in claim 1, wherein: The middle part of the handle (1) is provided with a sliding groove (14).