Stator mandrel curvature measuring device

Abstract

The utility model relates to the technical field of curvature measurement, and discloses a stator mandrel curvature measuring device which comprises a workbench, the upper side of the workbench is fixedly connected with a supporting frame, a sliding groove is formed in the supporting frame, the upper side of the supporting frame is fixedly connected with a second motor, and the upper side of the second motor is fixedly connected with a third motor. The output end of the second motor is fixedly connected with a gear, the lower side of the gear is in meshed connection with a rack plate, the rack plate is slidably connected to the interior of the sliding groove, the front side of the rack plate is fixedly connected with a second limiting block, and the lower side of the rack plate is fixedly connected with a fixing frame; hydraulic rods are fixedly connected to the two sides of the interior of the fixing frame. According to the utility model, each radial position of the measured sub-spindle is detected, the detection data is more comprehensive and accurate, and the two ends of the measured sub-spindle are clamped and fixed, so that the measured sub-spindle is kept stable in the measurement process.

Description

Technical Field

[0001] The utility model relates to the technical field of curvature measurement, in particular to a stator core shaft curvature measurement device. Background Art

[0002] The size requirements of the drilling stator rubber are very strict, and the control of the rubber size depends largely on the size of the mandrel. If the mandrel is too curved, it will inevitably affect the size of the drilling stator rubber. The mandrel processing process, the installation of the shaft head, etc. will also affect the curvature of the mandrel. Therefore, before the drilling stator is glued, the mandrel must be strictly measured.

[0003] The prior art includes a dial indicator, a fixing frame, a base and a fixing seat, and also includes two V-shaped grooves and two support plates, wherein: the fixing seat and the two support plates are placed horizontally on the same operating platform, and the two support plates are arranged on the left and right sides of the fixing seat; the two V-shaped grooves are vertically fixed to the upper surfaces of the two support plates; the base is placed on the upper surface of the fixing seat; the fixing frame is in the shape of a folding rod, and its vertical rod is vertically fixed to the upper surface of the base, and the far end of the horizontal rod is connected with a clamping handle A; the dial indicator is clamped by the clamping handle A and can be freely rotated by the clamping handle A. The utility model only needs to be assembled simply, the stator core shaft is placed in the two V-shaped grooves, and the dial indicator is rotated to make the probe and the large diameter of the core shaft vertically contact, the core shaft is rotated, and the dial indicator value is recorded, so as to achieve the purpose of accurately measuring the curvature of the stator core shaft, and the operation is simple and the measurement cost is low.

[0004] However, when the above device is used, the efficiency of measuring the curvature of the stator core shaft is low, and the measurement accuracy is low and the error is large, thereby reducing the measurement efficiency of the stator core shaft. Utility Model Content

[0005] The utility model aims to solve the shortcomings of low efficiency, low measurement accuracy and large error in the prior art when measuring the curvature of a stator core shaft, and proposes a stator core shaft curvature measuring device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stator core shaft curvature measuring device, comprising a workbench, a support frame is fixedly connected to the upper side of the workbench, a slide groove is opened inside the support frame, a second motor is fixedly connected to the upper side of the support frame, a gear is fixedly connected to the output end of the second motor, a rack plate is meshedly connected to the lower side of the gear, the rack plate is slidably connected to the inside of the slide groove, a second limit block is fixedly connected to the front side of the rack plate, a fixed frame is fixedly connected to the lower side of the rack plate, hydraulic rods are fixedly connected to both sides of the interior of the fixed frame, and a measuring component is fixedly connected to the output end of the hydraulic rod.

[0007] As a further description of the above technical solution:

[0008] The measuring assembly comprises a mounting plate, the mounting plate is fixedly connected to the output end of the hydraulic rod, a dial is arranged on the lower side of the mounting plate, and a telescopic probe is arranged on the lower side of the dial.

[0009] As a further description of the above technical solution:

[0010] A groove is provided on the upper side of the workbench, a first motor is fixedly connected to the right side of the workbench, a bidirectional threaded rod is fixedly connected to the output end of the first motor, threaded blocks are threadedly connected to the outer sides of the bidirectional threaded rod, first limit blocks are fixedly connected to the two sides of the threaded block, a connecting block is fixedly connected to the upper side of the threaded block, a fixing frame is fixedly connected to the upper side of the connecting block, and clamping components are fixedly connected to the inner sides of the fixing frame.

[0011] As a further description of the above technical solution:

[0012] The clamping assembly includes a telescopic rod, which is fixedly connected to both sides of the interior of the fixing frame, a spring is sleeved on the exterior of the telescopic rod, an output end of the telescopic rod is fixedly connected to a support block, and a clamping block is fixedly connected to the adjacent side of the support block.

[0013] As a further description of the above technical solution:

[0014] A second limiting groove is provided at the front side of the slide groove, and a second limiting block is slidably connected inside the second limiting groove.

[0015] As a further description of the above technical solution:

[0016] First limiting grooves are provided on both sides of the groove, and first limiting blocks are slidably connected inside the first limiting grooves.

[0017] As a further description of the above technical solution:

[0018] One end of the spring is fixedly connected to two sides of the interior of the fixing frame, and the other end of the spring is fixedly connected to a side of the supporting block that is away from the supporting block.

[0019] As a further description of the above technical solution:

[0020] Support legs are fixedly connected to both sides of the lower part of the workbench.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the second motor is started to drive the gear to rotate, and the rotation of the gear drives the rack plate, the fixed frame and the hydraulic rod to move. At the same time, the movement of the rack plate drives the second limit block to slide inside the second limit groove, and then the hydraulic rod is started to drive the mounting plate, the dial and the telescopic probe to move, thereby realizing the detection of each radial position of the spindle of the measured sub-axis, making the detection data more comprehensive and accurate.

[0023] 2. In the utility model, the bidirectional threaded rod is driven to rotate by starting the first motor, and the rotation of the bidirectional threaded rod drives the threaded block, the connecting block and the fixed frame to move. At the same time, the movement of the threaded block drives the first limit block to slide inside the first limit groove, and the core shaft of the sub-measurement is placed on the close side of the clamping block. The telescopic rod and the spring are provided to clamp and fix the stator core shaft, so that the two ends of the core shaft of the sub-measurement are clamped and fixed, ensuring that it remains stable during the measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a stator core shaft curvature measuring device proposed by the utility model;

[0025] Figure 2 A schematic diagram of the partial structure of a stator core shaft curvature measuring device proposed by the utility model;

[0026] Figure 3 for Figure 1 Enlarged view of point A in .

[0027] Legend:

[0028] 1. Workbench; 2. Groove; 3. First motor; 4. Bidirectional threaded rod; 5. Threaded block; 6. First limit block; 7. First limit slot; 8. Connecting block; 9. Fixed frame; 10. Telescopic rod; 11. Spring; 12. Support block; 13. Clamp block; 14. Support frame; 15. Slide; 16. Second motor; 17. Gear; 18. Rack plate; 19. Second limit block; 20. Second limit slot; 21. Fixed frame; 22. Hydraulic rod; 23. Mounting plate; 24. Telescopic probe; 25. Support leg; 26. Dial. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1 ,Figure 3 The utility model provides an embodiment: a stator core shaft curvature measuring device, comprising a workbench 1, a support frame 14 is fixedly connected to the upper side of the workbench 1, a slide groove 15 is opened inside the support frame 14, a second motor 16 is fixedly connected to the upper side of the support frame 14, a gear 17 is fixedly connected to the output end of the second motor 16, a rack plate 18 is meshed and connected to the lower side of the gear 17, the rack plate 18 is slidably connected to the inside of the slide groove 15, a second limit block 19 is fixedly connected to the front side of the rack plate 18, a fixed frame 21 is fixedly connected to the lower side of the rack plate 18, hydraulic rods 22 are fixedly connected to the inner sides of the fixed frame 21, and a measuring assembly is fixedly connected to the output end of the hydraulic rod 22; the measuring assembly comprises a mounting plate 23, the mounting plate 23 is fixedly connected to the output end of the hydraulic rod 22, a dial 26 is arranged on the lower side of the mounting plate 23, and a telescopic probe 24 is arranged on the lower side of the dial 26.

[0031] By starting the second motor 16 to drive the gear 17 to rotate, the rotation of the gear 17 drives the rack plate 18, the fixed frame 21 and the hydraulic rod 22 to move, and at the same time, the movement of the rack plate 18 drives the second limit block 19 to slide inside the second limit groove 20, and then the hydraulic rod 22 is started to drive the mounting plate 23, the dial 26 and the telescopic probe 24 to move, thereby detecting the radial positions of the spindle of the measured sub-axis.

[0032] Reference Figure 1 , Figure 2 A groove 2 is provided on the upper side of the workbench 1, a first motor 3 is fixedly connected to the right side of the workbench 1, a bidirectional threaded rod 4 is fixedly connected to the output end of the first motor 3, threaded blocks 5 are threadedly connected to the outer sides of the bidirectional threaded rod 4, first limit blocks 6 are fixedly connected to the two sides of the threaded block 5, a connecting block 8 is fixedly connected to the upper side of the threaded block 5, a fixing frame 9 is fixedly connected to the upper side of the connecting block 8, and clamping components are fixedly connected to the inner sides of the fixing frame 9; the clamping assembly includes a telescopic rod 10, the telescopic rod 10 is fixedly connected to the inner sides of the fixing frame 9, a spring 11 is sleeved on the outer side of the telescopic rod 10, a support block 12 is fixedly connected to the output end of the telescopic rod 10, and a clamping block 13 is fixedly connected to the adjacent side of the support block 12.

[0033] By starting the first motor 3, the bidirectional threaded rod 4 is driven to rotate, and the rotation of the bidirectional threaded rod 4 drives the threaded block 5, the connecting block 8 and the fixing frame 9 to move. At the same time, the movement of the threaded block 5 drives the first limit block 6 to slide inside the first limit groove 7, and the core shaft of the sub-to-be-measured is placed on the side close to the clamping block 13. The telescopic rod 10 and the spring 11 are provided to clamp and fix the stator core shaft, thereby playing the role of clamping and fixing the two ends of the core shaft of the sub-to-be-measured.

[0034] Reference Figure 1 , Figure 2 ,Figure 3 A second limiting groove 20 is provided on the front side of the slide groove 15, and a second limiting block 19 is slidably connected inside the second limiting groove 20; first limiting grooves 7 are provided on both sides of the interior of the groove 2, and a first limiting block 6 is slidably connected inside the first limiting groove 7; one end of the spring 11 is fixedly connected to both sides of the interior of the fixing frame 9, and the other end of the spring 11 is fixedly connected to the far side of the support block 12; support legs 25 are fixedly connected to both sides of the lower part of the workbench 1.

[0035] A second limiting groove 20 is opened on the front side of the slide groove 15, and a second limiting block 19 is slidably connected inside the second limiting groove 20, which plays a role in supporting and limiting the rack plate 18; first limiting grooves 7 are opened on both sides of the inner part of the groove 2, and a first limiting block 6 is slidably connected inside the first limiting groove 7, which plays a role in supporting and limiting the threaded block 5; one end of the spring 11 is fixedly connected to the inner sides of the fixing frame 9, and the other end of the spring 11 is fixedly connected to the far side of the support block 12, which plays a role in fixing the stator core shaft; support legs 25 are fixedly connected on both sides of the lower part of the workbench 1, which plays a role in supporting the workbench 1.

[0036] Working principle: When using the device, by starting the first motor 3, the first motor 3 starts to drive the bidirectional threaded rod 4 to rotate, the rotation of the bidirectional threaded rod 4 drives the threaded block 5 to move, the movement of the threaded block 5 drives the connecting block 8 to move, and at the same time, the movement of the threaded block 5 drives the first limit block 6 to slide inside the first limit groove 7, and the movement of the connecting block 8 drives the fixing frame 9 to move. When it moves to a suitable position, the core shaft of the sub-to-be-measured is placed on the side close to the clamping block 13, and the telescopic rod 10 and the spring 11 are provided to clamp and fix the stator core shaft, so that the two ends of the core shaft of the sub-to-be-measured are clamped and fixed, ensuring that it remains stable during the measurement process; by The second motor 16 is started, and the second motor 16 starts to drive the gear 17 to rotate. The rotation of the gear 17 drives the rack plate 18 to move. The movement of the rack plate 18 drives the fixed frame 21 to move. At the same time, the movement of the rack plate 18 drives the second limit block 19 to slide inside the second limit groove 20. The movement of the fixed frame 21 drives the hydraulic rod 22 to move. Then the hydraulic rod 22 is started, and the hydraulic rod 22 starts to drive the mounting plate 23 to move. The movement of the mounting plate 23 drives the dial 26 to move. The movement of the dial 26 drives the telescopic probe 24 to move, thereby realizing the detection of each radial position of the spindle to be measured, so that the detection data is more comprehensive and accurate.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stator core shaft curvature measuring device, comprising a workbench (1), characterized in that: The upper side of the workbench (1) is fixedly connected to a support frame (14), a slide groove (15) is provided inside the support frame (14), the upper side of the support frame (14) is fixedly connected to a second motor (16), the output end of the second motor (16) is fixedly connected to a gear (17), the lower side of the gear (17) is meshingly connected to a rack plate (18), the rack plate (18) is slidably connected to the inside of the slide groove (15), the front side of the rack plate (18) is fixedly connected to a second limit block (19), the lower side of the rack plate (18) is fixedly connected to a fixed frame (21), both sides of the interior of the fixed frame (21) are fixedly connected to hydraulic rods (22), and the output end of the hydraulic rod (22) is fixedly connected to a measuring component.

2. The stator core shaft curvature measuring device according to claim 1, characterized in that: The measuring assembly comprises a mounting plate (23), wherein the mounting plate (23) is fixedly connected to the output end of the hydraulic rod (22), a dial (26) is arranged on the lower side of the mounting plate (23), and a telescopic probe (24) is arranged on the lower side of the dial (26).

3. The stator core shaft curvature measuring device according to claim 1, characterized in that: A groove (2) is provided on the upper side of the workbench (1); a first motor (3) is fixedly connected to the right side of the workbench (1); a bidirectional threaded rod (4) is fixedly connected to the output end of the first motor (3); threaded blocks (5) are threadedly connected to the outer sides of the bidirectional threaded rod (4); first limit blocks (6) are fixedly connected to the two sides of the threaded block (5); a connecting block (8) is fixedly connected to the upper side of the threaded block (5); a fixing frame (9) is fixedly connected to the upper side of the connecting block (8); and clamping components are fixedly connected to the inner sides of the fixing frame (9).

4. The stator core shaft curvature measuring device according to claim 3, characterized in that: The clamping assembly comprises a telescopic rod (10), wherein the telescopic rod (10) is fixedly connected to two sides of the interior of a fixed frame (9), a spring (11) is sleeved on the exterior of the telescopic rod (10), an output end of the telescopic rod (10) is fixedly connected to a support block (12), and a clamping block (13) is fixedly connected to a side of the support block (12) that is close to the output end of the telescopic rod (10).

5. The stator core shaft curvature measuring device according to claim 1, characterized in that: A second limiting groove (20) is provided on the front side of the slide groove (15), and a second limiting block (19) is slidably connected inside the second limiting groove (20).

6. The stator core shaft curvature measuring device according to claim 3, characterized in that: First limiting grooves (7) are provided on both sides of the interior of the groove (2), and a first limiting block (6) is slidably connected inside the first limiting groove (7).

7. The stator core shaft curvature measuring device according to claim 4, characterized in that: One end of the spring (11) is fixedly connected to two sides of the interior of the fixing frame (9), and the other end of the spring (11) is fixedly connected to a side of the supporting block (12) that is away from the supporting block (12).

8. The stator core shaft curvature measuring device according to claim 1, characterized in that: Support legs (25) are fixedly connected to both sides of the lower part of the workbench (1).

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