Tool for detecting inner diameter and outer diameter of stator coil

Abstract

The utility model discloses a stator coil internal and external diameter detection tool, an internal diameter gauge is arranged on a support assembly, a gauge seat is fixed with the support assembly, the gauge seat is provided with a first through hole and a second through hole, the first through hole is located above the second through hole, the first external diameter gauge passes through the first through hole and is in clearance fit with the first through hole, and the second external diameter gauge is located above the second through hole. The second outer diameter gauge passes through the second through hole and is in clearance fit with the second through hole; the first locking part is respectively matched with the gauge seat and the first outer diameter gauge, and the second locking part is respectively matched with the gauge seat and the second outer diameter gauge; the leading-out wire end detection head is located on one side of the supporting assembly and fixed to the first outer diameter measuring meter, the tail wire end detection head is located on one side of the supporting assembly and fixed to the second outer diameter measuring meter, and the inner diameter detection head is connected with the inner diameter measuring meter. The device can solve the problems that the detection precision of the inner and outer diameters of the coil is not high, the efficiency is low, and operators are difficult to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor field, concretely relates to a detection frock of stator coil inner and outer diameter. BACKGROUND

[0002] In the production process of alternator, the stator is an important component of the generator, and the stator includes a stator core and a stator winding, which is also commonly known as a coil. The inner and outer diameters of the coil, as an important component of the stator, directly affect the product quality of the stator. Therefore, the inner and outer diameters of the coil need to be detected.

[0003] The motor stator winding inner diameter detection frock currently in use comprises an inner circle fixed seat and an outer circle fixed seat arranged concentrically, an annular connecting plate is arranged on the inner surface of the outer circle fixed seat, a plurality of strip-shaped connecting plates are arranged between the annular connecting plate and the upper surface of the inner circle fixed seat and are uniformly distributed along the circumferential direction of the inner circle fixed seat, a rotating handle support seat is movably connected to the upper surface of the inner circle fixed seat, a rotating handle is movably connected to the rotating handle support seat, and the length of the rotating handle is greater than the outer diameter of the outer circle fixed seat.

[0004] The above-mentioned detection frock can only detect the inner diameter of the winding and cannot detect the outer diameter of the winding. Therefore, developing a high-efficiency stator coil inner and outer diameter detection frock can greatly improve the manufacturing quality of the generator. SUMMARY

[0005] The utility model provides a detection frock of stator coil inner and outer diameter, the utility model can solve coil inner and outer diameter detection precision is not high, the problem such as low efficiency, operator operation difficult, etc.

[0006] The detection frock of the stator coil inner and outer diameter comprises a support assembly for supporting the stator, an inner diameter gauge, an inner diameter gauge arranged on the support assembly, a gauge seat, a first outer diameter gauge, a second outer diameter gauge, a lead-out wire end detection head, a tail wire end detection head, an inner diameter detection head, a first locking component and a second locking component.

[0007] The gauge seat is fixed with the support assembly, the gauge seat is provided with a first through hole and a second through hole, the first through hole is located above the second through hole, the first outer diameter gauge passes through the first through hole and is in gap cooperation with the first through hole, the second outer diameter gauge passes through the second through hole and is in gap cooperation with the second through hole, the first locking component is matched with the gauge seat and the first outer diameter gauge respectively, and the second locking component is matched with the gauge seat and the second outer diameter gauge respectively.

[0008] The lead-out wire end detection head is located on one side of the support assembly and is fixed with the first outer diameter gauge, the tail wire end detection head is located on one side of the support assembly and is fixed with the second outer diameter gauge, and the inner diameter detection head is connected with the inner diameter gauge.

[0009] Further, the standard part is further included, and the standard part is matched with the support assembly, the inner diameter gauge, the first outer diameter gauge and the second outer diameter gauge, so that the inner diameter gauge, the first outer diameter gauge and the second outer diameter gauge are zeroed.

[0010] Further, the support assembly comprises a base and a support, one end of the support is fixed with the base, and the inner diameter gauge is installed at the other end of the support.

[0011] Further, the support assembly further comprises a guide seat, a support block, a pressing plate and a spring, the guide seat is fixed with the support, the support block is matched with the guide seat, the guide seat is provided with a guide groove, the inner diameter probe is slidably matched with the guide groove, one end of the spring is matched with the support block, and the other end of the spring is matched with the inner diameter probe.

[0012] Further, the gauge seat is provided with a first slot and a second slot, the first slot is through the first through hole, the second slot is through the second through hole, the first locking part is matched with the first outer diameter gauge through the first slot, and the second locking part is matched with the second outer diameter gauge through the second slot.

[0013] Further, the inner diameter probe comprises a contact for matching with the inner surface of the coil, a connecting part for connecting the inner diameter gauge and a sliding block, the contact is fixed with the connecting part and the sliding block respectively, and the connecting part is perpendicular to the sliding block.

[0014] The detection tool can realize rapid and accurate detection on the inner and outer diameters of the coil, improve the performance of the generator stator, reduce the number of stators with unqualified inner and outer diameters of the coil in the production process, and further improve the overall performance and service life of the generator.

[0015] The stator coil inner and outer diameter detection tool has the advantages of simple structure, convenient operation, high detection precision, can significantly improve the detection efficiency of the stator coil inner and outer diameter, reduce the production cost, and provide strong guarantee for the manufacturing quality of the alternating current generator. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a perspective view of the detection tool for the inner and outer diameters of the stator coil.

[0017] Fig. 2 It is a front view of the detection tool for the inner and outer diameters of the stator coil.

[0018] Fig. 3 It is a schematic view of installing the standard part on the detection tool.

[0019] Markings in the drawings:

[0020] Base 1, support 2, gauge seat 3, first through hole 3a, second through hole 3b, first strip hole 3c, second strip hole 3d, lead-out wire end detection head 4, tail wire end detection head 5, inner diameter detection head 6, contact 6a, connecting part 6b, sliding block 6c, standard part 9, guide seat 7, guide groove 7a, support block 8, pressing plate 10, inner diameter gauge B1, first outer diameter gauge B2, second outer diameter gauge B3, first locking part A1, second locking part A2. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical scheme of the utility model example or prior art, the following will be a brief description of the drawings needed to be used in the embodiment or prior art description, obviously, the following description of the drawings is only some embodiments of the utility model, for those skilled in the art, without creative labor, other embodiments can also be obtained according to the drawings of the specification, these embodiments are still within the protection scope of the claims of the utility model.

[0022] As Figs. 1 to 3 , the utility model discloses the detection tooling of stator wire package inner and outer diameter, including the support assembly for supporting the stator, inner diameter gauge B1, gauge seat 3, first outer diameter gauge B2, second outer diameter gauge B3, lead-out wire end detection head 4, tail wire end detection head 5, inner diameter detection head 6, first locking part A1, second locking part A2, the following will be the detailed description of each part and the relationship between them.

[0023] Support assembly includes base 1, support 2, one end of support 2 is fixed with base 1, and inner diameter gauge B1 is installed at the other end of support 2.Base 1 is rectangular plate-shaped part, and base 1 is provided with a bushing, and support 2 is a cylinder, one end of support 2 is provided with a boss, after the boss is inserted into the bushing, the base 1 and the support 2 are fastened into an integral whole by using screws.

[0024] Inner diameter gauge B1 is arranged on the support assembly, and the support assembly further includes guide seat 7, support block 8, pressing plate 10 and spring (not shown in the figure), the guide seat 7 is fixed with the support 2, the support block 8 is matched with the guide seat 7, the guide groove 7a is arranged on the guide seat 7, the inner diameter detection head 6 is matched with the guide groove 7a, one end of the spring is matched with the support block 8, and the other end of the spring is matched with the inner diameter detection head 6.

[0025] The guide seat 7 is fixed with the support 2, the guide seat 7 is in the shape of a sector, the arc of the sector-shaped guide seat 7 is 200 degrees, and the guide groove 7a is arranged at the middle part of the guide seat 7.A mounting hole is arranged on the circumferential surface of the guide seat 7, one end of the support block 8 is attached to the guide seat 7, and the support block 8 and the guide seat 7 are fastened into an integral whole by using screws, and the inner diameter gauge B1 is fixed with the support block 8.

[0026] The gage seat 3 is fixed with the support assembly, the gage seat 3 is prismatic, and the gage seat 3 is fixed with the base 1 by screws. The gage seat 3 is provided with a first through hole 3a and a second through hole 3b, the first through hole 3a is located above the second through hole 3b, and the first through hole 3a and the second through hole 3b are arranged in a staggered state.

[0027] The first outer diameter gauge B2 passes through the first through hole 3a and is in gap cooperation with the first through hole 3a, the measuring rod of the first outer diameter gauge B2 is in gap cooperation with the first through hole 3a, and when a pushing force or a pulling force is applied to the second outer diameter gauge B3, the first outer diameter gauge B2 can move along the axial direction of the first through hole 3a. The second outer diameter gauge B3 passes through the second through hole 3b and is in gap cooperation with the second through hole 3b, the measuring rod of the second outer diameter gauge B3 is in gap cooperation with the second through hole 3b, and when a pushing force or a pulling force is applied to the second outer diameter gauge B3, the second outer diameter gauge B3 can move along the axial direction of the second through hole 3b.

[0028] The first locking component A1 cooperates with the gage seat 3 and the first outer diameter gauge B2 respectively, and the second locking component A2 cooperates with the gage seat 3 and the second outer diameter gauge B3 respectively. In the embodiment, a first slot 3c and a second slot 3d are arranged on the gage seat 3, the first slot 3c is located at the top of the gage seat 3, the second slot 3c is located at the side of the gage seat 3, the first slot 3c penetrates the first through hole 3a, the second slot 3d penetrates the second through hole 3b, the first locking component A1 is screwed with the first outer diameter gauge B2 through the first slot 3c, and the second locking component A2 is screwed with the second outer diameter gauge B3 through the second slot 3d.

[0029] A first threaded hole is arranged on the measuring rod of the first outer diameter gauge B2, a second threaded hole is arranged on the measuring rod of the second outer diameter gauge B2, the first locking component A1 and the second locking component A2 are both screws, the first locking component A1 is screwed with the first locking component A1 through the first slot 3c, when the head of the first locking component A1 is pressed against the gage seat 3, the first locking component A1 fastens the first outer diameter gauge B2 and the gage seat 3 into an integral whole, when the head of the first locking component A1 is separated from the gage seat 3, the first locking component A1 releases the fastening of the first outer diameter gauge B2 and the gage seat 3, and the application of a pushing force or a pulling force to the first outer diameter gauge B2 can make the first outer diameter gauge B2 move along the axial direction of the first slot 3c.

[0030] The second locking component A2 is screwed with the second locking component A2 through the second strip-shaped hole 3d, when the head of the second locking component A2 is pressed on the gauge seat 3, the second locking component A2 fastens the second outer diameter gauge B3 and the gauge seat 3 as a whole, when the head of the second locking component A2 is separated from the gauge seat 3, the fastening of the second locking component A2 on the second outer diameter gauge B3 and the gauge seat 3 is released, and the second outer diameter gauge B3 can be axially moved along the second strip-shaped hole 3d by applying a pushing force or a pulling force on the second outer diameter gauge B3.

[0031] The lead-out wire end detection head 4 is located on one side of the supporting assembly and is fixed with the first outer diameter gauge B2, and the tail wire end detection head 5 is located on one side of the supporting assembly and is fixed with the second outer diameter gauge B3. The surface of the lead-out wire end detection head 4 towards the inner diameter detection head 6 is composed of a plane and an arc surface, and the surface of the tail wire end detection head 5 towards the support 2 is composed of a plane and an arc surface, so that the lead-out wire end detection head 4 and the tail wire end detection head 5 can better fit the wire package.

[0032] The inner diameter detection head 6 is connected with the inner diameter gauge B1. The inner diameter detection head 6 includes a contact 6a for cooperating with the inner surface of the wire package, a connecting part 6b for connecting the inner diameter gauge B1, and a sliding block 6c, the contact 6a is fixed with the connecting part 6b and the sliding block 6c respectively, and the connecting part 6b is in a vertical state with the sliding block 6c. The sliding block 6c is in sliding cooperation with the guide groove 7a, one end of the spring is in cooperation with the supporting block 8, and the other end of the spring is in cooperation with the sliding block 6c. When the inner diameter detection head 6 is pressed, the inner diameter detection head 6 transmits the pressure to the spring, so that the spring is compressed.

[0033] The utility model also includes standard parts 9, and the standard parts 9 cooperate with the supporting assembly, the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3, and are used for zeroing the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3. In the embodiment, the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3 all prefer to adopt a micrometer.

[0034] The process of detecting the stator wire package by using the detection tool of the utility model is as follows:

[0035] 1, the standard parts 9 are cooperated with the detection tool, that is, the standard parts 9 are surrounded around the inner diameter detection head 6, the inner diameter detection head 6 is attached to the standard parts 9 under the action of the spring, the first outer diameter gauge B2 and the second outer diameter gauge B3 are moved, and the lead-out wire end detection head 4 and the tail wire end detection head 5 are respectively attached to the outer surface of the standard parts 9.

[0036] 2, the standard parts 9 are manually rotated for one circle, the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3 are operated, and the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3 are zeroed.

[0037] 3、Lead wire outer diameter: tighten the second locking component A2, so that the second outer diameter gauge B3 does not slide, put the measured stator on the support 2, make the stator wrap around the inner diameter measuring head 6, rotate the stator one circle (the tail end upwards) to find the position closest to the origin, and the tail end is the same.

[0038] 4、Lead wire outer diameter maximum value = 91.9 - the first outer diameter gauge scale number x the first outer diameter gauge graduation value, tail end outer diameter maximum value = 89.3 - the first outer diameter gauge scale number x the first outer diameter gauge graduation value, wherein the first graduation value is preferably 0.1.

[0039] 5、In the case of zeroing the inner diameter gauge B1, the first outer diameter gauge B2 and the second outer diameter gauge B3, tighten the first locking component A1 so that the first outer diameter gauge B2 does not slide, put the measured stator on the support 2, make the stator wrap around the inner diameter measuring head 6, rotate the stator one circle (the tail end upwards) to find the position closest to the origin, and the lead wire end is the same.

[0040] 6、The minimum value of the inner diameter of the tail end and the lead wire end = 70.1 + the second outer diameter gauge scale number x the second outer diameter gauge graduation value + the original inner diameter gauge scale value - the inner diameter gauge scale value, wherein the second graduation value is preferably 0.01.

Claims

1. A stator winding inner and outer diameter detection tooling, comprising a support assembly for supporting a stator, an inner diameter gauge (Bl), the inner diameter gauge (Bl) being disposed on the support assembly, characterised in that, The gauge seat (3), the first outer diameter gauge (B2), the second outer diameter gauge (B3), the lead wire end detection head (4), the tail wire end detection head (5), the inner diameter detection head (6), the first locking component (A1), and the second locking component (A2) are further included. The gauge seat (3) is fixed with the support assembly, and the gauge seat (3) is provided with a first through hole (3a) and a second through hole (3b). The first through hole (3a) is located above the second through hole (3b). The first outer diameter gauge (B2) passes through the first through hole (3a) and is in gap cooperation with the first through hole (3a). The second outer diameter gauge (B3) passes through the second through hole (3b) and is in gap cooperation with the second through hole (3b). The first locking component (A1) cooperates with the gauge seat (3) and the first outer diameter gauge (B2) respectively. The second locking component (A2) cooperates with the gauge seat (3) and the second outer diameter gauge (B3) respectively. The lead wire end detection head (4) is located on one side of the support assembly and is fixed with the first outer diameter gauge (B2). The tail wire end detection head (5) is located on one side of the support assembly and is fixed with the second outer diameter gauge (B3). The inner diameter detection head (6) is connected with the inner diameter gauge (B1).

2. The stator coil inner and outer diameter detection tooling of claim 1, wherein, The standard part (9) cooperates with the support assembly, the inner diameter gauge (B1), the first outer diameter gauge (B2), and the second outer diameter gauge (B3) to make the inner diameter gauge (B1), the first outer diameter gauge (B2), and the second outer diameter gauge (B3) zero.

3. The stator coil inner and outer diameter detection tooling of claim 1, wherein, The support assembly includes a base (1) and a support (2). One end of the support (2) is fixed with the base (1). The inner diameter gauge (B1) is installed at the other end of the support (2).

4. The stator coil inner and outer diameter detection tooling of claim 3, wherein, The support assembly further includes a guide seat (7), a support block (8), a pressing plate (10), and a spring. The guide seat (7) is fixed with the support (2). The support block (8) cooperates with the guide seat (7). The guide seat (7) is provided with a guide groove (7a). The inner diameter detection head (6) is in sliding cooperation with the guide groove (7a). One end of the spring cooperates with the support block (8). The other end of the spring cooperates with the inner diameter detection head (6).

5. The stator coil inner and outer diameter detection tooling of claim 1, wherein, The gauge seat (3) is provided with a first strip-shaped hole (3c) and a second strip-shaped hole (3d). The first strip-shaped hole (3c) penetrates the first through hole (3a). The second strip-shaped hole (3d) penetrates the second through hole (3b). The first locking component (A1) penetrates the first strip-shaped hole (3c) and cooperates with the first outer diameter gauge (B2). The second locking component (A2) penetrates the second strip-shaped hole (3d) and cooperates with the second outer diameter gauge (B3).

6. The stator coil inner and outer diameter detection tooling of claim 1, wherein, The inner diameter detection head (6) includes a contact (6a) for cooperating with the inner surface of the wire package, a connecting part (6b) for connecting the inner diameter gauge (B1), and a sliding block (6c). The contact (6a) is fixed with the connecting part (6b) and the sliding block (6c) respectively. The connecting part (6b) and the sliding block (6c) are in a vertical state.

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