Rotor shaft inspection tool for motor production
By designing a rotor shaft inspection tool for a dual-axis motor drive, using threaded columns and electro-hydraulic push rod systems, the simultaneous detection of the length and diameter of the rotor shaft is achieved, solving the problem of only detecting diameters separately in the prior art, and improving detection efficiency and accuracy.
Patent Information
- Application Number
- CN202422602020.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing rotor shaft inspection tooling for motor production can only detect the diameter of the rotor shaft separately, and cannot detect the diameter and length at the same time.
A rotor shaft inspection tool for motor production is designed, and a double-axis motor is used to drive the rotation of the positive and reverse thread columns. The two ends of the rotor shaft are fixed by moving plates and limiting cylinders, and combined with an electro-hydraulic push rod and a gear system driven by the motor, the length and diameter of the rotor shaft are realized.
It realizes simultaneous detection of the length and diameter of the rotor shaft, which is simple and convenient to operate, and improves detection efficiency and accuracy.
Smart Images

Figure CN223228920U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotor shaft inspection, and more specifically, to a rotor shaft inspection tool for motor production. Background Art
[0002] The rotor shaft of a motor is an important component that supports the rotation of the rotor winding. The diameters of different parts of the rotor shaft must be within the allowable error range, otherwise it will directly affect the service life of the motor. Therefore, the diameter of each part of the rotor shaft needs to be tested before leaving the factory. However, the existing rotor shaft inspection tooling used in motor production can only test the diameter of the rotor shaft alone, which is inconvenient to test the diameter and length of the rotor shaft at the same time. Utility Model Content
[0003] (1) Technical problems to be solved
[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a rotor shaft inspection tool for motor production, which has the characteristic of being convenient for simultaneously detecting the diameter and length of the rotor shaft.
[0005] (2) Technical solution
[0006] To achieve the above-mentioned purpose, the utility model provides a rotor shaft inspection tool for motor production, including a bottom shell, a double-axis motor fixedly connected to the inner wall of the bottom shell, and two output ends of the double-axis motor are fixedly connected to a positive threaded column and a reverse threaded column respectively, the surfaces of the positive threaded column and the reverse threaded column are threadedly connected to a threaded cylinder, the surfaces of the two threaded cylinders are threadedly connected to the threaded cylinders, and the surfaces of the two threaded cylinders are fixedly connected to a connecting block, the top of the bottom shell is provided with a rectangular through hole, the number of the rectangular through holes is two, the two connecting blocks are respectively fixedly connected to a movable plate through the two rectangular through holes, the opposite surfaces of the two movable plates are provided with a limiting cylinder, the bottoms of the two movable plates are fixedly connected to a first pointer, the top of the bottom shell is provided with a first scale, the top of the bottom shell is fixedly connected to a first U-shaped fixed shell, the first The top of the inner wall of a U-shaped fixed shell is fixedly connected with a toothed plate, and the opposite inner wall of the first U-shaped fixed shell is fixedly connected with the same sliding rod, and the number of the sliding rods is two, and the surfaces of the two sliding rods are slidably connected with a movable plate, the top of the movable plate is fixedly connected with a fixing frame, and the fixing frame is fixedly connected with a first motor, and the output shaft of the first motor is fixedly connected with a gear, and the gear is meshed with the toothed plate, and the bottom of the movable plate is fixedly connected with a first electric hydraulic push rod, and the bottom end of the first electric hydraulic push rod is fixedly connected with a second U-shaped fixed shell, and the opposite inner walls of the second U-shaped fixed shell are fixedly connected with a second electric hydraulic push rod, and the opposite ends of the two second electric hydraulic push rods are fixedly connected with a clamping plate, and the sides of the two clamping plates are fixedly connected with a second pointing mark, and the side of the second U-shaped fixed shell is provided with a second scale.
[0007] When the rotor shaft inspection fixture for motor production of the present technical solution is used, the dual-axis motor drives the positive thread column and the reverse thread column to rotate, so that the positive thread column and the reverse thread column rotate respectively inside the two threaded barrels, so that the two threaded barrels respectively drive the two movable plates to approach each other through the two connecting blocks, and at the same time, the movable plate drives the first pointer to move, so that the two movable plates respectively drive the two limiting barrels to approach each other, so that the two ends of the rotor shaft are movably connected inside the two limiting barrels, so that the two movable plates overlap the two ends of the rotor shaft, which is convenient for fixing the rotor shaft, and at the same time, it is convenient for alignment through the pointing scale of the first pointer. The length of the rotor shaft is detected, and the second U-shaped housing is driven to descend by the first electric hydraulic push rod, so that the rotor shaft is located between the two clamping plates, and the two clamping plates are driven to overlap with the surface of the rotor shaft by the second electric hydraulic push rod, and the clamping plate drives the second pointer to move at the same time. By observing the pointing scale of the second pointer, the diameter of the rotor shaft is detected conveniently, and the gear is driven to rotate by the first motor to move on the surface of the gear plate, and the motor drives the movable plate to move on the surface of the slide rod, so that the clamping plate can be moved horizontally, and the diameter of the rotor shaft can be detected conveniently at different positions. The operation is simple and convenient.
[0008] Furthermore, a sliding block is fixedly connected to the surface of the threaded cylinder, a sliding groove is provided on the inner wall of the bottom shell, and the sliding block is slidably connected inside the sliding groove.
[0009] Furthermore, a telescopic rod is fixedly connected to the top of the second U-shaped fixed shell, the top end of the telescopic rod is fixedly connected to the movable plate, and heat dissipation holes are provided on both side surfaces of the bottom shell.
[0010] Furthermore, one end of the positive thread column and the reverse thread column are fixedly connected to a rotating shaft, one end of the two rotating shafts are sleeved with bearings, and the two bearings are fixedly connected to the inner wall of the bottom shell.
[0011] Furthermore, a control switch is provided on the surface of the bottom shell.
[0012] (3) Beneficial effects
[0013] In summary, the present invention has the following beneficial effects:
[0014] 1. The rotor shaft inspection tool for motor production is provided with a dual-axis motor, a positive thread column and a negative thread column. The dual-axis motor drives the positive thread column and the negative thread column to rotate, so that the positive thread column and the negative thread column rotate respectively inside the two threaded barrels, so that the two threaded barrels respectively drive two movable plates to approach each other through two connecting blocks, and at the same time, the movable plates drive the first pointer to move, so that the two movable plates respectively drive two limit barrels to approach each other, so that the two ends of the rotor shaft are movably connected inside the two limit barrels, and the two movable plates overlap the two ends of the rotor shaft, so as to facilitate fixing the rotor shaft and at the same time facilitate detection of the length of the rotor shaft through the pointing scale of the first pointer;
[0015] 2. The rotor shaft inspection tooling for motor production is provided with a first electric hydraulic push rod, a first motor and a second electric hydraulic push rod. The first electric hydraulic push rod drives the second U-shaped housing to descend so that the rotor shaft is located between the two clamping plates. The second electric hydraulic push rod drives the two clamping plates to overlap the surface of the rotor shaft. At the same time, the clamping plates drive the second pointer to move. By observing the pointing scale of the second pointer, the diameter of the rotor shaft can be easily detected. The first motor drives the gear to rotate, so that the gear moves on the surface of the tooth plate. The motor drives the movable plate to move on the surface of the slide rod, so that the clamping plate can be moved horizontally, and the diameter of the rotor shaft can be detected at different positions. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 It is a schematic structural diagram of a three-dimensional cross-section of the utility model;
[0018] Figure 2 It is a three-dimensional structural diagram of the utility model.
[0019] The symbols in the accompanying drawings are:
[0020] 1. Bottom shell; 2. Dual-axis motor; 3. Positive thread column; 4. Reverse thread column; 5. Threaded barrel; 6. Slide groove; 7. Slider; 8. Connecting block; 9. Rectangular through hole; 10. Moving plate; 11. Limiting barrel; 12. First U-shaped fixed shell; 13. Tooth plate; 14. Sliding rod; 15. Movable plate; 16. First motor; 17. Gear; 18. First electro-hydraulic push rod; 19. Telescopic rod; 20. Second U-shaped fixed shell; 21. Second electro-hydraulic push rod; 22. Clamping plate; 23. First pointer; 24. First scale; 25. Second pointer; 26. Second scale. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the technical solutions in the specific implementation methods of the present invention are clearly and completely described below to further illustrate the present invention. Obviously, the specific implementation methods described are only part of the implementation methods of the present invention, rather than all styles.
[0022] Example:
[0023] The following is combined with Figure 1-2 The utility model is described in further detail.
[0024] See also Figure 1-2The utility model provides a technical solution: a rotor shaft inspection tool for motor production, comprising a bottom shell 1, a dual-axis motor 2 is fixedly connected to the inner wall of the bottom shell 1, and the two output ends of the dual-axis motor 2 are respectively fixedly connected to a positive thread column 3 and a reverse thread column 4, the surfaces of the positive thread column 3 and the reverse thread column 4 are threadedly connected to a threaded cylinder 5, the surfaces of the two threaded cylinders 5 are threadedly connected to the threaded cylinders 5, and the surfaces of the two threaded cylinders 5 are fixedly connected to a connecting block 8, a rectangular through hole 9 is opened on the top of the bottom shell 1, and the number of the rectangular through holes 9 is two, and the two connecting blocks 8 are respectively fixedly connected to a movable plate 10 through the two rectangular through holes 9, and a limiting cylinder 11 is provided on the opposite surfaces of the two movable plates 10, and the bottoms of the two movable plates 10 are fixedly connected to a first directional Mark 23, a first scale 24 is provided on the top of the bottom shell 1, and a dual-axis motor 2, a positive thread column 3 and a reverse thread column 4 are provided. The dual-axis motor 2 drives the positive thread column 3 and the reverse thread column 4 to rotate, so that the positive thread column 3 and the reverse thread column 4 rotate respectively inside the two threaded cylinders 5, so that the two threaded cylinders 5 respectively drive the two movable plates 10 to approach each other through the two connecting blocks 8, and at the same time, the movable plate 10 drives the first pointing mark 23 to move, so that the two movable plates 10 respectively drive the two limiting cylinders 11 to approach each other, so that the two ends of the rotor shaft are respectively movably connected to the inside of the two limiting cylinders 11, so that the two movable plates 10 overlap with the two ends of the rotor shaft, which is convenient for fixing the rotor shaft and convenient for adjusting the rotor shaft through the pointing scale of the first pointing mark. The length is detected, the top of the bottom shell 1 is fixedly connected to the first U-shaped fixed shell 12, the top of the inner wall of the first U-shaped fixed shell 12 is fixedly connected to the toothed plate 13, the opposite inner wall of the first U-shaped fixed shell 12 is fixedly connected to the same slide bar 14, the number of slide bars 14 is two, the surfaces of the two slide bars 14 are slidably connected with a movable plate 15, the top of the movable plate 15 is fixedly connected to a fixed frame, and the fixed frame is fixedly connected to a first motor 16, the output shaft of the first motor 16 is fixedly connected to a gear 17, the gear 17 is meshed with the toothed plate 13, the bottom of the movable plate 15 is fixedly connected to a first electric hydraulic push rod 18, the bottom end of the first electric hydraulic push rod 18 is fixedly connected to a second U-shaped fixed shell 20, the opposite inner wall of the second U-shaped fixed shell 20 The second U-shaped fixed shell 20 is fixedly connected to a second electric hydraulic push rod 21, and the opposite ends of the two second electric hydraulic push rods 21 are fixedly connected to a clamping plate 22. The sides of the two clamping plates 22 are fixedly connected to a second pointer 25. The side of the second U-shaped fixed shell 20 is provided with a second scale 26. By arranging the first electric hydraulic push rod 18, the first motor 16 and the second electric hydraulic push rod 21, the first electric hydraulic push rod 18 drives the second U-shaped shell to descend, so that the rotor shaft is located between the two clamping plates 22, and the second electric hydraulic push rod 21 drives the two clamping plates 22 to overlap with the surface of the rotor shaft, and at the same time, the clamping plates 22 drive the second pointer 25 to move. By observing the pointing scale of the second pointer 25, the diameter of the rotor shaft can be easily detected.The first motor 16 drives the gear 17 to rotate, causing the gear 17 to move on the surface of the toothed plate 13, and the motor drives the movable plate 15 to move on the surface of the slide rod 14, thereby facilitating the horizontal movement of the clamping plate 22 and the diameter detection at different positions of the rotor shaft. The operation is simple and convenient.
[0025] Specifically, a sliding block 7 is fixedly connected to the surface of the threaded barrel 5 , a sliding groove 6 is formed on the inner wall of the bottom shell 1 , and the sliding block 7 is slidably connected inside the sliding groove 6 .
[0026] By adopting the above technical solution, the slider 7 slides inside the sliding groove 6 to limit the threaded barrel 5.
[0027] Specifically, the top of the second U-shaped fixed shell 20 is fixedly connected to the telescopic rod 19 , the top end of the telescopic rod 19 is fixedly connected to the movable plate 15 , and heat dissipation holes are provided on both sides of the bottom shell 1 .
[0028] By adopting the above technical solution, the telescopic rod 19 serves to limit the second U-shaped fixing shell 20 .
[0029] Specifically, one end of the positive thread column 3 and the negative thread column 4 are fixedly connected to a rotating shaft, one end of the two rotating shafts are sleeved with bearings, and the two bearings are fixedly connected to the inner wall of the bottom shell 1.
[0030] Specifically, a control switch is provided on the surface of the bottom shell 1 .
[0031] The working principle of this utility model is:
[0032] When the utility model is in use, the rotor shaft is first placed between the two limiting cylinders 11, and the dual-axis motor 2 is started by the control switch, so that the dual-axis motor 2 drives the positive thread column 3 and the reverse thread column 4 to rotate, so that the positive thread column 3 and the reverse thread column 4 are respectively rotated inside the two threaded cylinders 5, so that the two threaded cylinders 5 respectively drive the two movable plates 10 to approach each other through the two connecting blocks 8, and at the same time, the movable plates 10 drive the first pointer 23 to move, so that the two movable plates 10 respectively drive the two limiting cylinders 11 to approach each other, so that the two ends of the rotor shaft are respectively movably connected to the inside of the two limiting cylinders 11, so that the two movable plates 10 overlap with the two ends of the rotor shaft, so that the rotor shaft can be fixed, and the length of the rotor shaft can be checked by the pointing scale of the first pointer 23. The rotor shaft is measured by starting the first electric hydraulic push rod 18, so that the first electric hydraulic push rod 18 drives the second U-shaped shell to descend, so that the rotor shaft is located between the two clamping plates 22, and by starting the second electric hydraulic push rod 21, so that the second electric hydraulic push rod 21 drives the two clamping plates 22 to overlap with the surface of the rotor shaft, and at the same time, the clamping plate 22 drives the second pointer 25 to move. By observing the pointing scale of the second pointer 25, the diameter of the rotor shaft can be detected, and by starting the first motor 16, the gear 17 can be driven to rotate by the first motor 16, so that the gear 17 moves on the surface of the tooth plate 13, and the motor drives the movable plate 15 to move on the surface of the slide rod 14, so that the clamping plate 22 can be moved horizontally, and the diameter of the rotor shaft can be detected at different positions.
[0033] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.
Claims
1. A rotor shaft inspection tool for motor production, comprising a bottom shell (1), characterized in that: A dual-axis motor (2) is fixedly connected to the inner wall of the bottom shell (1); two output ends of the dual-axis motor (2) are respectively fixedly connected to a positive thread column (3) and a negative thread column (4); the surfaces of the positive thread column (3) and the negative thread column (4) are both threadedly connected to a threaded barrel (5); the surfaces of the two threaded barrels (5) are both threadedly connected to a threaded barrel (5); the surfaces of the two threaded barrels (5) are both fixedly connected to a connecting block (8); a rectangular through hole (9) is opened on the top of the bottom shell (1); the rectangular through hole (9) is There are two of them, and the two connecting blocks (8) are respectively fixedly connected to a movable plate (10) through two rectangular through holes (9), and the two movable plates (10) are provided with a limiting cylinder (11) on the opposite surfaces thereof, and the bottoms of the two movable plates (10) are fixedly connected to a first pointer (23), and the top of the bottom shell (1) is provided with a first scale (24), and the top of the bottom shell (1) is fixedly connected to a first U-shaped fixed shell (12), and the top of the inner wall of the first U-shaped fixed shell (12) is fixedly connected to a toothed plate (13). The first U-shaped fixed shell (12) is fixedly connected to the opposite inner wall with a same sliding rod (14), the number of the sliding rods (14) is two, the surfaces of the two sliding rods (14) are slidably connected to a movable plate (15), the top of the movable plate (15) is fixedly connected to a fixed frame, and the fixed frame is fixedly connected to a first motor (16), the output shaft of the first motor (16) is fixedly connected to a gear (17), the gear (17) is meshed with the tooth plate (13), and the bottom of the movable plate (15) is fixedly connected A first electric hydraulic push rod (18) is provided, wherein the bottom end of the first electric hydraulic push rod (18) is fixedly connected to a second U-shaped fixed shell (20), second electric hydraulic push rods (21) are fixedly connected to opposite inner walls of the second U-shaped fixed shell (20), opposite ends of the two second electric hydraulic push rods (21) are fixedly connected to clamping plates (22), and the sides of the two clamping plates (22) are fixedly connected to second pointers (25), and the side of the second U-shaped fixed shell (20) is provided with a second scale (26).
2. The rotor shaft inspection tool for motor production according to claim 1, characterized in that: A slider (7) is fixedly connected to the surface of the threaded cylinder (5), a sliding groove (6) is provided on the inner wall of the bottom shell (1), and the slider (7) is slidably connected inside the sliding groove (6).
3. The rotor shaft inspection tool for motor production according to claim 1, characterized in that: The top of the second U-shaped fixed shell (20) is fixedly connected to a telescopic rod (19), the top end of the telescopic rod (19) is fixedly connected to the movable plate (15), and heat dissipation holes are provided on both side surfaces of the bottom shell (1).
4. The rotor shaft inspection tool for motor production according to claim 1, characterized in that: One end of the positive thread column (3) and the negative thread column (4) are both fixedly connected to a rotating shaft, one end of the two rotating shafts are sleeved with a bearing, and the two bearings are both fixedly connected to the inner wall of the bottom shell (1).
5. The rotor shaft inspection tool for motor production according to claim 1, characterized in that: A control switch is provided on the surface of the bottom shell (1).