Stator mandrel curvature measuring device

Abstract

The utility model discloses a stator mandrel curvature measuring device, which relates to the technical field of curvature measurement and comprises a bottom plate, a fixed unit, a movable unit and a detection unit. A fixed unit and a moving unit are mounted at the upper end of the bottom plate; the fixing unit comprises supporting and fixing columns, bolts, arc-shaped pressing plates and nuts, the upper end of the bottom plate is fixedly connected with a screw supporting and fixing column, the upper end of each supporting and fixing column is in threaded connection with the corresponding bolt, the front end and the rear end of each bolt are rotationally connected with the arc-shaped pressing plates, and the bolts are in threaded connection with the nuts; according to the stator mandrel curvature measuring device and equipment, it can be guaranteed that a detection tool is always located on the surface of a part needing to be detected, meanwhile, detected equipment data can be recorded, the detection accuracy is guaranteed, the part is fixed to the equipment through the fixing device, and the detection efficiency is improved. And the influence on the detection result of the part due to the displacement of the part during detection can be prevented.

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 dimensional requirements for the stator rubber coating of drilling and mining are very strict, and the control of the coating size is largely determined by the size of the mandrel. Excessive mandrel curvature will inevitably affect the size of the stator rubber coating of drilling and mining. The mandrel processing process, the installation of the shaft head, etc. can also affect the curvature of the mandrel.

[0003] Among them, the stator core shaft curvature measuring device proposed in the prior art with authorization announcement number CN20553746U includes a dial indicator, a fixing frame, a base and a fixing frame, and also includes two V-shaped grooves and two support plates, wherein: the fixing frame 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 frame; 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 frame; 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 distal end of the horizontal rod is connected to a clamping handle A; the dial indicator is clamped by the clamping handle A and can be freely rotated by the clamping handle A;

[0004] The detection probes or detection tools of existing detection equipment cannot always be on the surface of the part to be detected. The existing detection equipment cannot fix the parts, and the parts are prone to displacement during detection, thereby affecting the detection results. For this reason, we propose a stator core shaft curvature measurement device. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a stator core shaft curvature measuring device. The equipment can ensure that the detection tool is always on the surface of the part to be detected, and at the same time can record the detection equipment data to ensure the detection accuracy. The fixing device fixes the part on the equipment, which can prevent the part from being displaced during detection and thus affecting the detection result of the part, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a stator core shaft curvature measuring device, comprising a base plate, a fixing unit, a moving unit and a detection unit;

[0007] Bottom plate: The upper end is equipped with fixed units and movable units;

[0008] Fixing unit: includes a support and fixing column, a bolt, an arc-shaped pressure plate and a nut. The upper end of the base plate is fixedly connected to a screw support and fixing column. The upper end of each support and fixing column is threadedly connected to a bolt. The front and rear ends of each bolt are rotatably connected to the arc-shaped pressure plate. The bolt is threadedly connected to the nut.

[0009] Detection unit: installed on the mobile unit.

[0010] The arc-shaped pressing plate is fixed by bolts and nuts, and the core shaft of the stator is fixed by the arc-shaped pressing plate and the supporting fixing column, so that the core shaft to be tested can be fixed and tested.

[0011] Furthermore, the mobile unit includes a dovetail chute, a dovetail slider, a fixing bracket, and a threaded block. A dovetail chute is provided on the right upper end of the base plate. A dovetail slider is slidably connected to the inner side of the dovetail chute. The upper end of the dovetail slider is fixedly connected to the fixing bracket, and the front end of the fixing bracket is fixedly connected to the threaded block. The dovetail chute limits the dovetail slider, the dovetail slider supports the fixing bracket, and the fixing bracket secures the inspection equipment. The threaded block enables movement under the action of the power unit.

[0012] Furthermore, the mobile unit further includes a fixed seat, a motor, a motor mounting bracket, and a threaded rod. Two fixed seats are fixedly connected to the front and rear sides of the upper end of the base plate. A threaded rod is rotatably connected between the two fixed seats. The threaded rod is threadedly connected to a threaded block. The front side of the upper end of the base plate is fixedly connected to the motor mounting bracket. The upper end of the motor mounting bracket is fixedly connected to the motor. The output shaft of the motor is fixedly connected to one end of a dovetail-shaped slider. The motor is fixed by the motor mounting bracket, and the motor drives the threaded rod to rotate. The threaded rod is supported by the fixed seat. Under the action of the thread, the threaded rod drives the threaded block to move, thereby achieving the purpose of detection.

[0013] Furthermore, the detection unit includes a limit fixing seat, an electronic dial indicator, a sliding rod, a spring, a baffle, a threaded barrel, a screw, a universal shaft, an arc plate, a fixed plate, and a telescopic rod. The upper end of the fixed frame is fixedly connected to the electronic dial indicator, the upper end of the fixed frame is fixedly connected to the limit fixing seat, the inner side of the limit fixing seat is slidably connected to the sliding rod, the front end of the sliding rod is fixedly connected to the baffle, a spring is sleeved on the sliding rod between the baffle and the limit fixing seat, the rear side of the right end of the baffle is rotatably connected to the threaded barrel, the inner side of the threaded barrel is threadedly connected to the screw, the outer side of the left end of the screw is connected to the arc plate through the universal shaft, the outer left end of the screw is fixedly connected to the fixing plate, the front side of the left end of the baffle is fixedly connected to one end of the telescopic rod, and the other end of the telescopic rod is fixedly connected to the fixing plate. The core shaft is inspected by an electronic dial indicator, the sliding rod is limited and supported by a limit fixing seat, the arc plate is always kept on the core shaft to be inspected by a spring, the screw is extended by rotating the threaded barrel, and the position is limited by the telescopic rod, so that during inspection, the inspection equipment can always remain on the part to be inspected, thereby achieving the purpose of inspection.

[0014] Furthermore, the detection unit further includes a position locator and a position sensor, wherein the front end of the fixing plate is fixedly connected to the position locator, and the middle portion of the upper end of the base plate is fixedly connected to the position sensor. The position locator and the position sensor are used to record and detect information such as the bending angle.

[0015] Furthermore, the base plate further comprises threaded support legs and threaded foot pads, wherein the four corners of the lower end of the base plate are fixedly connected to the threaded support legs, and the lower ends of the threaded support legs are threadedly connected to the threaded foot pads. The base plate can be kept horizontal by rotating the threaded foot pads.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the stator core shaft curvature measuring device has the following advantages:

[0017] 1. This stator core shaft curvature measuring device detects the core shaft through an electronic dial indicator, limits and supports the sliding rod through a limit fixing seat, keeps the arc plate on the core shaft to be tested through a spring, extends the screw by rotating the threaded barrel, and limits the position through the telescopic rod. Therefore, during testing, the testing equipment can always stay on the part to be tested, thereby achieving the purpose of testing.

[0018] 2. The stator core shaft curvature measuring device fixes the arc pressure plate with bolts and nuts, and fixes the stator core shaft with the arc pressure plate and supporting fixing columns, thereby fixing and testing the core shaft to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the locally enlarged structure at point B in the middle.

[0022] In the figure: 1 base plate, 2 threaded support legs, 3 fixing unit, 31 support fixing column, 32 bolt, 33 arc pressure plate, 34 nut, 4 moving unit, 41 dovetail slide, 42 dovetail slider, 43 fixing frame, 44 threaded block, 45 fixing seat, 46 motor, 47 motor fixing frame, 48 threaded rod, 5 detection unit, 51 limit fixing seat, 52 electronic dial indicator, 53 slide bar, 54 spring, 55 baffle, 56 threaded barrel, 57 screw, 58 universal joint, 59 arc plate, 510 fixing plate, 511 position locator, 512 telescopic rod, 513 position sensor, 6 threaded foot pads. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-3 , this embodiment provides a technical solution for a stator core shaft curvature measuring device: a stator core shaft curvature measuring device, comprising a base plate 1, a fixing unit 3, a moving unit 4 and a detection unit 5;

[0025] Base plate 1: fixed unit 3 and movable unit 4 are installed on the upper end;

[0026] Fixing unit 3: includes a supporting fixing column 31, a bolt 32, an arc-shaped pressure plate 33 and a nut 34. The upper end of the base plate 1 is fixedly connected to the screw supporting fixing column 31. The upper end of each supporting fixing column 31 is threadedly connected to a bolt 32. The front and rear ends of each bolt 32 are rotatably connected to the arc-shaped pressure plate 33. The bolt 32 is threadedly connected to the nut 34. The arc-shaped pressure plate 33 is fixed by the bolt 32 and the nut 34, and the core shaft of the stator is fixed by the arc-shaped pressure plate 33 and the supporting fixing column 31, so that the core shaft to be inspected can be fixed and inspected.

[0027] The mobile unit 4 includes a dovetail chute 41, a dovetail slider 42, a fixing bracket 43, and a threaded block 44. A dovetail chute 41 is provided on the right side of the upper end of the base plate 1. A dovetail slider 42 is slidably connected to the inner side of the dovetail chute 41. The upper end of the dovetail slider 42 is fixedly connected to the fixing bracket 43. The front end of the fixing bracket 43 is fixedly connected to the threaded block 44. The dovetail chute 41 limits the dovetail slider 42, supports the fixing bracket 43, and secures the inspection equipment via the fixing bracket 43. The threaded block 44 enables movement under the action of the power unit.

[0028] The mobile unit 4 further includes a fixed base 45, a motor 46, a motor mounting bracket 47, and a threaded rod 48. Two fixed bases 45 are fixedly connected to the front and rear sides of the upper end of the base plate 1. A threaded rod 48 is rotatably connected between the two fixed bases 45. The threaded rod 48 is threadedly connected to the threaded block 44. The front side of the upper end of the base plate 1 is fixedly connected to the motor mounting bracket 47. The upper end of the motor mounting bracket 47 is fixedly connected to the motor 46. The output shaft of the motor 46 is fixedly connected to one end of the dovetail slider 42. The motor 46 is fixed by the motor mounting bracket 47, and the threaded rod 48 is driven to rotate by the motor 46. The threaded rod 48 is supported by the fixed base 45. Under the action of the threads, the threaded rod 48 drives the threaded block 44 to move, achieving the purpose of detection.

[0029] Detection unit 5: Installed on the mobile unit 4, the detection unit 5 includes a limit fixing seat 51, an electronic dial indicator 52, a slide rod 53, a spring 54, a baffle 55, a threaded cylinder 56, a screw 57, a universal shaft 58, an arc plate 59, a fixed plate 510, and a telescopic rod 512. The upper end of the fixing frame 43 is fixedly connected to the electronic dial indicator 52, the upper end of the fixing frame 43 is fixedly connected to the limit fixing seat 51, the inner side of the limit fixing seat 51 is slidably connected to the slide rod 53, and the front end of the slide rod 53 is fixedly connected to the A baffle 55 is provided. A spring 54 is sleeved on a slide bar 53 between the baffle 55 and the position-limiting fixed seat 51. A threaded barrel 56 is rotatably connected to the rear side of the right end of the baffle 55. A screw 57 is threadedly connected to the inner side of the threaded barrel 56. The outer side of the left end of the screw 57 is connected to an arc plate 59 via a universal shaft 58. The outer left end of the screw 57 is fixedly connected to a fixed plate 510. The front side of the left end of the baffle 55 is fixedly connected to one end of a telescopic rod 512, and the other end of the telescopic rod 512 is fixedly connected to the fixed plate 510. The core shaft is inspected by an electronic dial indicator 52. The position-limiting fixed seat 51 limits and supports the slide bar 53. The spring 54 keeps the arc plate 59 on the core shaft to be inspected. The screw 57 is extended by rotating the threaded barrel 56, and the telescopic rod 512 limits the position. This ensures that the inspection equipment can always remain on the part to be inspected during inspection, achieving the inspection purpose.

[0030] The detection unit 5 further includes a position locator 511 and a position sensor 513. The position locator 511 is fixedly connected to the front end of the fixed plate 510, and the position sensor 513 is fixedly connected to the middle of the upper end of the base plate 1. The position locator 511 and the position sensor 513 record and detect information such as the bending angle.

[0031] The bottom plate 1 also includes threaded support legs 2 and threaded foot pads 6. The four corners of the lower end of the bottom plate 1 are fixedly connected with the threaded support legs 2, and the lower ends of the threaded support legs 2 are threadedly connected with the threaded foot pads 6. The bottom plate 1 can be kept horizontal by rotating the threaded foot pads 6.

[0032] The working principle of the stator core shaft curvature measuring device provided by the present invention is as follows: the arc pressure plate 33 is fixed by bolts 32 and nuts 34, and the stator core shaft is fixed by the arc pressure plate 33 and the support fixing column 31 (the core shaft is subjected to less force in the vertical direction and does not need to be firmly fixed), so that the core shaft to be tested can be fixed and tested. The dovetail slide 41 is used to limit the dovetail slider 42, and the dovetail slider 42 supports the fixing frame 43. The testing equipment is fixed by the fixing frame 43, and the threaded block 44 is moved under the action of the power unit. The motor 46 is fixed by the motor fixing frame 47, and the threaded rod 48 is driven to rotate by the motor 46. The threaded rod 48 is supported by the fixing seat 45. Under the action of the thread, the threaded rod 48 drives the threaded block 44 to move, thereby achieving the purpose of testing. The core shaft is inspected using an electronic dial indicator 52, while the slide rod 53 is limited and supported by a limiter mount 51. A spring 54 maintains the curved plate 59 on the core shaft to be inspected. The screw 57 is extended by rotating the threaded barrel 56, and the telescopic rod 512 provides position control. This ensures that the inspection equipment remains on the part to be inspected, achieving the inspection objective. The position locator 511 and position sensor 513 record and detect information such as the bending angle. The base plate 1 is maintained horizontally by rotating the threaded foot pad 6.

[0033] It is worth noting that the input end of the motor 46 disclosed in the above embodiment is electrically connected to the output end of the external power supply through an external PLC controller. The motor 46 adopts a servo motor, and the external PLC controller controls the operation of the motor 46 using a method commonly used in the prior art.

[0034] The above are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Stator core shaft curvature measuring device, characterized by: It comprises a base plate (1), a fixing unit (3), a moving unit (4) and a detection unit (5); Base plate (1): a fixed unit (3) and a movable unit (4) are mounted on the upper end; The fixing unit (3) comprises a support fixing column (31), a bolt (32), an arc-shaped pressure plate (33) and a nut (34), wherein the upper end of the base plate (1) is fixedly connected to the screw support fixing column (31), the upper end of each support fixing column (31) is threadedly connected to a bolt (32), the front and rear ends of each bolt (32) are rotatably connected to the arc-shaped pressure plate (33), and the bolt (32) is threadedly connected to the nut (34); Detection unit (5): installed on the mobile unit (4).

2. The stator core shaft curvature measuring device according to claim 1, characterized in that: The mobile unit (4) comprises a dovetail chute (41), a dovetail slider (42), a fixing frame (43) and a threaded block (44). A dovetail chute (41) is provided on the right side of the upper end of the base plate (1). The inner side of the dovetail chute (41) is slidably connected to the dovetail slider (42). The upper end of the dovetail slider (42) is fixedly connected to the fixing frame (43). The front end of the fixing frame (43) is fixedly connected to the threaded block (44).

3. The stator core shaft curvature measuring device according to claim 2, characterized in that: The mobile unit (4) further comprises a fixed seat (45), a motor (46), a motor fixing frame (47) and a threaded rod (48). The two fixed seats (45) are fixedly connected to the front and rear sides of the upper end of the base plate (1). A threaded rod (48) is rotatably connected between the two fixed seats (45). The threaded rod (48) is threadedly connected to the threaded block (44). The front side of the upper end of the base plate (1) is fixedly connected to the motor fixing frame (47). The upper end of the motor fixing frame (47) is fixedly connected to the motor (46). The output shaft of the motor (46) is fixedly connected to one end of the dovetail slider (42).

4. The stator core shaft curvature measuring device according to claim 2, characterized in that: The detection unit (5) comprises a limit fixing seat (51), an electronic dial indicator (52), a slide rod (53), a spring (54), a baffle (55), a threaded barrel (56), a screw rod (57), a universal shaft (58), an arc plate (59), a fixing plate (510), and a telescopic rod (512). The upper end of the fixing frame (43) is fixedly connected to the electronic dial indicator (52). The upper end of the fixing frame (43) is fixedly connected to the limit fixing seat (51). The inner side of the limit fixing seat (51) is slidably connected to the slide rod (53). The front end of the slide rod (53) is fixedly connected to the baffle (55). A spring (54) is sleeved on the slide bar (53) between the baffle (55) and the position-limiting fixed seat (51); the rear side of the right end of the baffle (55) is rotatably connected to a threaded barrel (56); the inner side of the threaded barrel (56) is threadedly connected to a screw rod (57); the outer side of the left end of the screw rod (57) is connected to the arc plate (59) through a universal shaft (58); the outer left end of the screw rod (57) is fixedly connected to a fixed plate (510); the front side of the left end of the baffle (55) is fixedly connected to one end of a telescopic rod (512); the other end of the telescopic rod (512) is fixedly connected to the fixed plate (510).

5. The stator core shaft curvature measuring device according to claim 4, characterized in that: The detection unit (5) further comprises a position locator (511) and a position sensor (513); the front end of the fixing plate (510) is fixedly connected to the position locator (511); and the middle portion of the upper end of the bottom plate (1) is fixedly connected to the position sensor (513).

6. The stator core shaft curvature measuring device according to claim 1, characterized in that: It also includes threaded support legs (2) and threaded foot pads (6), wherein the four corners of the lower end of the base plate (1) are fixedly connected to the threaded support legs (2), and the lower ends of the threaded support legs (2) are threadedly connected to the threaded foot pads (6).

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