Rotor measuring device

By designing a rotor measurement device with four air paths, rapid and accurate measurement of multiple rotor dimensions was achieved, solving the problems of low measurement efficiency and low accuracy in existing technologies, and improving the efficiency and accuracy of rotor measurement.

CN224262472UActive Publication Date: 2026-05-19WAN TAI JI DIAN GONG YE KUN SHAN YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WAN TAI JI DIAN GONG YE KUN SHAN YOU XIAN GONG SI
Filing Date
2025-05-29
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing rotor measuring devices have low measurement efficiency and low accuracy, require multiple measurements at different positions, are cumbersome to operate, and cannot meet high precision requirements.

Method used

A rotor measurement device was designed, which adopts a four-pneumatic-path combination structure, including a base plate, a detection cylinder, a precision pressure regulating valve, a high-precision pneumatic sensor, and a digital pneumatic gauge. It can achieve multi-dimensional measurement of the rotor in a single measurement. The use of imported high-precision pneumatic sensors and SMC precision pressure regulating valves improves measurement accuracy and efficiency.

Benefits of technology

It enables rapid and accurate measurement of multiple rotor dimensions, improving measurement efficiency and accuracy. It has a simple structure, is easy to operate, is suitable for combined geometric tolerance measurement, and has good repeatability.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a rotor measuring device, which comprises a bottom plate and a rotor to be measured, a detection cylinder body is arranged at the upper end of the bottom plate, a precise pressure regulating valve is arranged in the detection cylinder body, a high-precision pneumatic sensor is arranged at the upper end of the precise pressure regulating valve, a detector connector is arranged at the top of the detection cylinder body, and the detector connector is connected with the high-precision pneumatic sensor. The outer side of the detection cylinder body is connected with a first air channel connector, a second air channel connector, a fourth air channel connector and a third air channel connector, and the first air channel connector, the second air channel connector, the fourth air channel connector and the third air channel connector are all connected with the position of the rotor and measure the inner diameter and the outer diameter of the rotor. According to the rotor measuring device, the rotor structure is special, the measurement of multiple dimensions of the rotor can be realized through one-time measurement, the rotor measuring device can be used for the measurement of combined form and location tolerance, the rotor measuring device is formed by combining four gas circuits, each channel can be independently used, the rotor measuring efficiency is improved, the precision is high, and the repeatability is good.
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Description

Technical Field

[0001] This utility model relates to the field of rotor measurement, and in particular to a rotor measurement device. Background Technology

[0002] A rotor measuring device is a support device used to measure the inner and outer diameters of a rotor. The rotor is used in motor components, and its dimensions have high precision requirements during the manufacturing process. After the rotor is manufactured, its inner and outer diameters need to be inspected to check whether they are qualified. With the continuous development of technology, people have increasingly higher requirements for the manufacturing process of rotor measuring devices.

[0003] Existing rotor measuring devices have certain drawbacks. First, their measurement efficiency is low, requiring multiple measurements of the inner and outer diameters at different positions of the rotor, which is cumbersome and inconvenient for users. Second, their accuracy does not meet requirements, negatively impacting practical applications. Therefore, we propose a new rotor measuring device. Utility Model Content

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, this utility model provides a rotor measuring device with a special rotor structure, which can realize the measurement of multiple dimensions of the rotor in one measurement. It can be used for the measurement of combined form and position tolerances. It is composed of four air paths, and each channel can also be used individually, which improves the rotor measurement efficiency, has high accuracy and good repeatability, and can effectively solve the problems in the background technology.

[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: A rotor measuring device includes a base plate and a rotor to be measured. A detection cylinder is installed on the upper end of the base plate. A precision pressure regulating valve is installed inside the detection cylinder. A high-precision pneumatic sensor is installed on the upper end of the precision pressure regulating valve. A detector connector is installed on the top of the detection cylinder. A first air path connector, a second air path connector, a fourth air path connector, and a third air path connector are connected to the outside of the detection cylinder. The first air path connector, the second air path connector, the fourth air path connector, and the third air path connector are all connected to the rotor and measure its inner and outer diameters. Support rods are installed at the four corners of the bottom of the base plate. A digital pneumatic measuring instrument is installed on the upper side of the support rod. The digital pneumatic measuring instrument is equipped with a true-color touch screen and control components.

[0006] Preferably, the first air path connector is connected to a first air path channel, the second air path connector is connected to a second air path channel, the first air path channel and the second air path channel are respectively connected to two inner diameters of the rotor, a first inner diameter probe is provided at the position where the second air path channel connects to the inner diameter of the rotor, and a second inner diameter probe is provided at the position where the first air path channel connects to the inner diameter of the rotor.

[0007] Preferably, the fourth air path connector is connected to the third air path channel, the third air path connector is connected to the fourth air path channel, the third air path channel and the fourth air path channel are respectively connected to two outer diameters of the rotor, a second outer diameter probe is provided at the position where the third air path channel is connected to the outer diameter of the rotor, and a first outer diameter probe is provided at the position where the fourth air path channel is connected to the outer diameter of the rotor.

[0008] Preferably, the first air path connector detects one inner diameter dimension of the rotor through the first air path channel and the second inner diameter probe, and the second air path connector detects another inner diameter dimension of the rotor through the second air path channel and the first inner diameter probe. The first inner diameter probe and the second inner diameter probe measure one of the structures of a through hole and a blind hole.

[0009] Preferably, the fourth air path connector detects one outer diameter dimension of the rotor through the third air path channel and the second outer diameter probe, and the third air path connector detects another outer diameter dimension of the rotor through the fourth air path channel and the first outer diameter probe. The first outer diameter probe and the second outer diameter probe are one of annular probes and open-type probes.

[0010] Preferably, the base plate is sealed and fixed to the detection cylinder, the detection cylinder, the precision pressure regulating valve and the high-precision pneumatic sensor are sealed, and the top of the detection cylinder is connected to a digital pneumatic measuring device through a detector connector.

[0011] Beneficial Effects: Compared with the prior art, this utility model provides a rotor measuring device with the following beneficial effects: This rotor measuring device has a special rotor structure, which can realize the measurement of multiple rotor dimensions in one measurement. It can be used for the measurement of combined form and position tolerances. It is composed of four air paths, and each channel can also be used individually to improve the rotor measurement efficiency. It adopts imported high-precision pneumatic sensors and has a built-in SMC precision pressure regulating valve, which has high accuracy and good repeatability. The entire rotor measuring device has a simple structure, is easy to operate, and has better performance than traditional methods. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of a rotor measuring device according to the present invention.

[0013] Figure 2 This is a schematic diagram of the measurement state in a rotor measuring device according to the present invention.

[0014] Figure 3 This is a schematic diagram of the rotor structure in a rotor measuring device according to the present invention.

[0015] Figure 4 This is a schematic diagram of the structure of the detection cylinder in a rotor measuring device according to the present invention.

[0016] In the diagram: 1. Base plate; 2. Detection cylinder; 3. First air path connector; 4. Second air path connector; 5. Precision pressure regulating valve; 6. High-precision pneumatic sensor; 7. Third air path connector; 8. Fourth air path connector; 9. Detector connector; 10. Digital pneumatic gauge; 11. True color touch screen; 12. Control components; 13. Support rod; 14. Rotor; 15. First outer diameter probe; 16. Second outer diameter probe; 17. First inner diameter probe; 18. Second inner diameter probe; 19. First air path channel; 20. Third air path channel; 21. Second air path channel; 22. Fourth air path channel. Detailed Implementation

[0017] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are only some embodiments of this utility model, not all embodiments, and are only used to illustrate this utility model, and should not be regarded as limiting the scope of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.

[0018] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] like Figure 1-4 As shown, a rotor measuring device includes a base plate 1 and a rotor 14 to be measured. A detection cylinder 2 is mounted on the upper end of the base plate 1. A precision pressure regulating valve 5 is installed inside the detection cylinder 2. A high-precision pneumatic sensor 6 is mounted on the upper end of the precision pressure regulating valve 5. A detector connector 9 is mounted on the top of the detection cylinder 2. A first air path connector 3, a second air path connector 4, a fourth air path connector 8, and a third air path connector 7 are connected to the outside of the detection cylinder 2. The first air path connector 3, the second air path connector 4, and the fourth air path connector 8 are connected to... The device 8 and the third air path connector 7 are both connected to the rotor 14 and measure its inner and outer diameters. The bottom of the base plate 1 has four corners where support rods 13 are installed. A digital pneumatic gauge 10 is installed on the upper side of the support rods 13. The digital pneumatic gauge 10 is equipped with a true color touch screen 11 and a control component 12. The rotor has a special structure and can measure multiple dimensions of the rotor in one measurement. It can be used for the measurement of combined form and position tolerances. It is composed of four air paths, and each channel can also be used individually to improve the rotor measurement efficiency, with high accuracy and good repeatability.

[0021] Furthermore, the first air path connector 3 is connected to the first air path channel 19, and the second air path connector 4 is connected to the second air path channel 21. The first air path channel 19 and the second air path channel 21 are respectively connected to two inner diameters of the rotor 14. A first inner diameter probe 17 is provided at the position where the second air path channel 21 connects to the inner diameter of the rotor 14, and a second inner diameter probe 18 is provided at the position where the first air path channel 19 connects to the inner diameter of the rotor 14.

[0022] Furthermore, the fourth air path connector 8 is connected to the third air path channel 20, and the third air path connector 7 is connected to the fourth air path channel 22. The third air path channel 20 and the fourth air path channel 22 are respectively connected to two outer diameters of the rotor 14. A second outer diameter probe 16 is provided at the position where the third air path channel 20 connects to the outer diameter of the rotor 14, and a first outer diameter probe 15 is provided at the position where the fourth air path channel 22 connects to the outer diameter of the rotor 14.

[0023] Furthermore, the first air path connector 3 detects one inner diameter dimension of the rotor 14 through the first air path channel 19 and the second inner diameter probe 18, and the second air path connector 4 detects another inner diameter dimension of the rotor 14 through the second air path channel 21 and the first inner diameter probe 17. The first inner diameter probe 17 and the second inner diameter probe 18 measure one of the structures of through hole and blind hole.

[0024] Furthermore, the fourth air path connector 8 detects one outer diameter dimension of the rotor 14 through the third air path channel 20 and the second outer diameter probe 16, and the third air path connector 7 detects another outer diameter dimension of the rotor 14 through the fourth air path channel 22 and the first outer diameter probe 15. The first outer diameter probe 15 and the second outer diameter probe 16 are one of the annular probe and the open probe.

[0025] Furthermore, the base plate 1 is sealed and fixed to the detection cylinder 2, and the detection cylinder 2, the precision pressure regulating valve 5 and the high-precision pneumatic sensor 6 are sealed together. The top of the detection cylinder 2 is connected to the digital pneumatic measuring device through the detector connector 9.

[0026] Working Principle: This utility model includes a base plate 1, a detection cylinder 2, a first air path connector 3, a second air path connector 4, a precision pressure regulating valve 5, a high-precision pneumatic sensor 6, a third air path connector 7, a fourth air path connector 8, a detector connector 9, a digital pneumatic gauge 10, a true-color touch screen 11, a control component 12, a support rod 13, a rotor 14, a first outer diameter probe 15, a second outer diameter probe 16, a first inner diameter probe 17, a second inner diameter probe 18, a first air path channel 19, a third air path channel 20, a second air path channel 21, and a fourth air path channel 22. The rotor has a special structure, which can realize the measurement of multiple rotor dimensions in one measurement. It can be used for the measurement of combined form and position tolerances. It is composed of four air paths, and each channel can also be used individually to improve the rotor measurement efficiency. It adopts an imported high-precision pneumatic sensor and has a built-in SMC precision pressure regulating valve, which has high accuracy and good repeatability.

[0027] When measuring the inner diameter of a hole, there are two types: through holes and blind holes. The measurement depends on the size of the part being measured, dimensional tolerances, the number and location of the injection holes (default 2), the depth of the hole, whether a longer measuring head is needed, and the material of the part being measured.

[0028] When measuring the outer diameter, both annular and open-type probes are provided.

[0029] During measurement and analysis, multiple points can be collected by rotating the probe or taking measurements at any angle on the workpiece; and the data can be stored.

[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rotor measuring device, comprising a base plate (1) and a rotor (14) to be measured, characterized in that: A detection cylinder (2) is installed on the upper end of the base plate (1). A precision pressure regulating valve (5) is installed inside the detection cylinder (2). A high-precision pneumatic sensor (6) is installed on the upper end of the precision pressure regulating valve (5). A detector connector (9) is installed on the top of the detection cylinder (2). A first air path connector (3), a second air path connector (4), a fourth air path connector (8), and a third air path connector (7) are connected to the outside of the detection cylinder (2). The first air path connector (3), the second air path connector (4), the fourth air path connector (8), and the third air path connector (7) are all connected to the position of the rotor (14) and measure its inner and outer diameters. A support rod (13) is installed at the four corners of the bottom of the base plate (1). A digital pneumatic gauge (10) is installed on the upper side of the support rod (13). A true color touch screen (11) and a control component (12) are provided on the digital pneumatic gauge (10).

2. The rotor measuring device according to claim 1, characterized in that: The first air connector (3) is connected to the first air passage (19), and the second air connector (4) is connected to the second air passage (21). The first air passage (19) and the second air passage (21) are respectively connected to two inner diameters of the rotor (14). A first inner diameter probe (17) is provided at the position where the second air passage (21) connects to the inner diameter of the rotor (14), and a second inner diameter probe (18) is provided at the position where the first air passage (19) connects to the inner diameter of the rotor (14).

3. The rotor measuring device according to claim 1, characterized in that: The fourth air path connector (8) is connected to the third air path channel (20), the third air path connector (7) is connected to the fourth air path channel (22), the third air path channel (20) and the fourth air path channel (22) are respectively connected to two outer diameters of the rotor (14), a second outer diameter probe (16) is provided at the position where the third air path channel (20) connects to the outer diameter of the rotor (14), and a first outer diameter probe (15) is provided at the position where the fourth air path channel (22) connects to the outer diameter of the rotor (14).

4. The rotor measuring device according to claim 2, characterized in that: The first air connector (3) detects one inner diameter of the rotor (14) through the first air passage (19) and the second inner diameter probe (18). The second air connector (4) detects another inner diameter of the rotor (14) through the second air passage (21) and the first inner diameter probe (17). The first inner diameter probe (17) and the second inner diameter probe (18) measure one of the structures of through hole and blind hole.

5. A rotor measuring device according to claim 3, characterized in that: The fourth air connector (8) detects one outer diameter of the rotor (14) through the third air channel (20) and the second outer diameter probe (16). The third air connector (7) detects another outer diameter of the rotor (14) through the fourth air channel (22) and the first outer diameter probe (15). The first outer diameter probe (15) and the second outer diameter probe (16) are either annular probes or open-type probes.

6. The rotor measuring device according to claim 1, characterized in that: The base plate (1) is sealed and fixed to the detection cylinder (2). The detection cylinder (2), the precision pressure regulating valve (5), and the high-precision pneumatic sensor (6) are sealed together. The top of the detection cylinder (2) is connected to the digital pneumatic measuring device through the detector connector (9).