General checking tool for pumped storage stator coil

Abstract

The utility model relates to the technical field of winding installation tools, and discloses a general checking tool for a pumped storage stator coil, which comprises checking pieces, two wallboards and a connecting rod, the two wallboards are connected and fixed by the connecting rod, the checking pieces are provided with grooves, and the general checking tool is characterized in that each wallboard is provided with two checking pieces which can move to adjust the distance. The device is suitable for verification of stator coils of different models, and is high in versatility.

Description

Technical Field

[0001] This utility model relates to the technical field of winding installation tools, specifically to a universal verification tool for pumped storage stator coils. Background Technology

[0002] In pumped-storage turbine generator sets, there is a core and important component called the stator coil. Because the rotation direction of the pumped-storage unit is frequently switched according to demand, the stator coil also bears corresponding magnetic pull during the power transmission process. This product is a batch-produced part, so in order to ensure the dimensions and interrelationships of each part of the product are checked, it needs to be verified by calibration tools before mass production can begin.

[0003] Chinese patent document CN216851668U discloses a stator coil calibration mold device, including at least two calibration plates. Multiple grooves are formed on the top of the calibration plates. A base plate is fixedly connected to both ends of the bottom of the calibration plates. The calibration plates are arranged in a linear array. The device also includes a padding device, which includes a groove bottom pad and a U-shaped pad. The groove bottom pad and the U-shaped pad are fixedly connected. The U-shaped pad is located above the groove bottom pad. The thickness of the groove bottom pad is the same as the thickness of the calibration plate. The padding device is set in the groove on the calibration plate.

[0004] The existing technology has the following drawbacks: because the stator coils have different sizes, different sizes of calibration plates need to be replaced each time a different model of stator coil is calibrated, resulting in poor versatility. Utility Model Content

[0005] To address the technical problem of poor versatility in stator coil calibration tools, this utility model provides a universal calibration tool for pumped-storage stator coils, comprising a calibration plate, two wall plates, and a connecting rod. The two wall plates are connected and fixed by the connecting rod. The calibration plate has a groove. The tool is characterized in that each wall plate has two calibrated calibration plates with adjustable spacing.

[0006] Preferably, the wall panel is provided with a row of adjustment holes, and the calibration plate is arbitrarily installed in the adjustment holes via a connector.

[0007] To accommodate the shape of the stator coil, the two calibration plates on the wall plate are respectively the upper calibration plate and the lower calibration plate.

[0008] Furthermore, the grooves on the upper and lower verification sheets are inclined towards each other.

[0009] To accommodate different stator coil models, both the upper and lower calibration plates include two positioning plates and one positioning plate. The positioning plate has a groove in the middle, and the two positioning plates have grooves on their sides. The positioning plates are movably connected to the left and right sides of the positioning plate.

[0010] Preferably, the second positioning plate is connected to the first positioning plate via a waist-shaped groove and a connector, and the first positioning plate can slide laterally on the second positioning plate and be fixed at any position.

[0011] Preferably, the second positioning plate is connected to the wall panel via a waist-shaped groove and a connector, and the first positioning plate can slide laterally on the wall panel and be fixed at any position.

[0012] To facilitate adjustment of the inclination angle of the groove, a lifting screw is provided through the first positioning plate, and the bottom of the lifting screw rests on the second positioning plate.

[0013] To accommodate stator coils of different thicknesses, the groove is provided with a removable plug.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model, by setting adjustable spacing verification pieces, is applicable to the verification work of stator coils of different models. When the size of the stator coil is large, the spacing of the verification pieces on the same wall plate is increased; conversely, the spacing of the verification pieces on the same wall plate is decreased. In this way, it can be used to verify stator coils of different models, which is convenient for mass production.

[0016] 2. This utility model can also adapt to different models with different stator coil thicknesses by adjusting the spacing between the grooves and the width of the grooves, thus having better versatility and a wider range of applications. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of Embodiment 1 of the universal verification tool for pumped-storage stator coils of this utility model;

[0018] Figure 2 for Figure 1 Side view;

[0019] Figure 3 for Figure 1 Top view;

[0020] Figure 4 This is a schematic diagram of the verification chip in Example 2;

[0021] Figure 5 for Figure 4 Side view;

[0022] Figure 6 This is a schematic diagram of positioning plate one in Example 2.

[0023] Figure 7 for Figure 6 Side view;

[0024] Figure 8 This is a schematic diagram of positioning plate two in Example 2;

[0025] Figure 9 for Figure 8 Side view. Detailed Implementation

[0026] The following detailed description illustrates the specific implementation methods:

[0027] The reference numerals in the accompanying drawings of the instruction manual include: 1. Calibration plate; 2. Wall plate; 3. Connecting rod; 4. Groove; 5. L-shaped platform; 6. Adjustment hole; 7. Connecting screw; 8. Upper calibration plate; 9. Lower calibration plate; 10. Waist-shaped groove; 11. Positioning plate one; 12. Positioning plate two; 13. Plug; 14. Lifting screw; 15. Stator coil.

[0028] Example 1

[0029] like Figure 1-3 As shown, a universal calibration tool for pumped storage stator coils includes a calibration plate 1, two wall plates 2, and connecting rods 3. The two wall plates 2 are connected and fixed by multiple parallel connecting rods 3, and the wall plates 2 are parallel to each other. The calibration plate 1 is provided with a groove 4, and each wall plate 2 is provided with an L-shaped platform 5. The L-shaped platform 5 is provided with two movable and adjustable calibration plates 1. The spacing between the wall plates 2 can be changed by changing the length of different connecting rods 3.

[0030] The wall panel 2 is provided with a row of adjustment holes 6, and the two calibration plates 1 are respectively installed in the two adjustment holes 6 by connecting screws 7.

[0031] The two verification pieces 1 on the wall panel 2 are the upper verification piece 8 and the lower verification piece 9, respectively. The upper verification piece 8 and the lower verification piece 9 have the same structure, except that the height and angle of the groove 4 are different.

[0032] The grooves 4 on the upper verification plate 8 and the lower verification plate 9 are inclined towards each other.

[0033] In use, the upper verification piece 8 and the lower verification piece 9 on each wall panel 2 are adjusted to adjust their relative spacing using the connecting screws 7, so that the upper verification piece 8 and the lower verification piece 9 on the two wall panels 2 are relatively parallel and their positions correspond to each other.

[0034] Example 2

[0035] like Figure 4-9As shown, the difference between this embodiment 2 and embodiment 1 is that the verification piece 1 is different. A universal verification tool for pumped storage stator coils includes a verification piece 1, two wall plates 2 and connecting rods 3. The two wall plates 2 are connected and fixed by multiple parallel connecting rods 3, and the wall plates 2 are parallel to each other. The verification piece 1 is provided with a groove 4. Each wall plate 2 is provided with two movable and adjustable verification pieces 1. The spacing between the wall plates 2 can be changed by changing the length of different connecting rods 3.

[0036] The wall panel 2 is provided with a row of adjustment holes 6, and the calibration plate 1 is provided with a waist-shaped groove 10. The waist-shaped groove 10 is arbitrarily installed in the adjustment hole 6 by connecting screws 7.

[0037] The two verification pieces on the wall panel 2 are the upper verification piece 8 and the lower verification piece 9, respectively. The upper verification piece 8 and the lower verification piece 9 have the same structure, except that the height and angle of the groove 4 are different.

[0038] Both the upper calibration plate 8 and the lower calibration plate 9 include two positioning plates 11 and one positioning plate 12. The positioning plate 12 has a groove 4 in the middle. The groove 4 of the positioning plate 11 is located on the side. The positioning plate 11 is movably connected to the L-shaped platforms 5 on the left and right sides of the positioning plate 12. The bottom of the positioning plate 11 is also L-shaped. After installation, the grooves 4 of the two positioning plates 11 are located on the left and right sides of the groove 4 in the middle of the positioning plate 12, respectively.

[0039] The second positioning plate 12 and the first positioning plate 11 are connected by a waist-shaped groove 10 and a connecting screw 7. The first positioning plate 11 can slide laterally on the second positioning plate 12 and be fixed at any position.

[0040] The second positioning plate 12 is connected to the wall panel 2 via the waist-shaped groove 10 and the connecting screw 7. The first positioning plate 11 can slide laterally on the wall panel 2 and be fixed at any position.

[0041] On the bottom of the positioning plate 11, a lifting screw 14 is provided on the same side as the groove 4. The bottom of the lifting screw 14 rests on the L-shaped platform 5 of the positioning plate 12. By rotating the lifting screw 14, the positioning plate 11 is tilted to one side, thereby adjusting the tilt angle of the groove 4 to accommodate different stator coils 15.

[0042] The size of the groove 4 is the size of the largest stator coil 15 in the workshop. The groove 4 is equipped with a detachable plug 13. The plug 13 is usually provided by the workshop itself. The workshop has many bakelite plugs 13 of different thicknesses. The width of the groove 4 can be changed by simply replacing the plugs 13 of different thicknesses.

[0043] In use, first adjust the relative distance between the two positioning plates 12 on the wall plate 2, then adjust the relative distance between the three grooves 4 by sliding the positioning plate 11 on the positioning plate 12 using the connecting screw 7. Finally, insert the plug 13 into the groove 4 so that the width of the groove 4 corresponds to the width of the stator coil 15. This allows for the verification of stator coils 15 of different lengths and thicknesses under different models, increasing versatility and reducing manufacturing costs.

[0044] The above descriptions are merely embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are knowledgeable of all existing technologies in that field, and possess the ability to apply conventional experimental methods prior to that date. Therefore, those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in conjunction with their own capabilities. Typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A pumped storage stator coil universal verification tool, comprising a verification sheet, two wallboards and a connecting rod, the two wallboards are fixedly connected by the connecting rod, a groove is arranged on the verification sheet, characterized in that, Each of the wall panels is provided with two movable, adjustable-spacing calibration plates.

2. The universal verification tool for pumped-storage stator coils according to claim 1, characterized in that: The wall panel is provided with a row of adjustment holes, and the calibration plate is arbitrarily installed in the adjustment holes through the connector.

3. The universal verification tool for pumped-storage stator coils according to claim 2, characterized in that: The two verification pieces on the wall panel are the upper verification piece and the lower verification piece, respectively.

4. The universal verification tool for pumped-storage stator coils according to claim 3, characterized in that: The grooves on the upper and lower verification plates are inclined towards each other.

5. The universal verification tool for pumped-storage stator coils according to claim 4, characterized in that: Both the upper and lower calibration plates include two positioning plates and one positioning plate. The positioning plate has a groove in the middle and the two positioning plates have grooves on their sides. The positioning plates are movably connected to the left and right sides of the positioning plate.

6. The universal verification tool for pumped-storage stator coils according to claim 5, characterized in that: The second positioning plate is connected to the first positioning plate via a waist-shaped groove and a connector. The first positioning plate can slide laterally on the second positioning plate and be fixed at any position.

7. The universal verification tool for pumped-storage stator coils according to claim 6, characterized in that: The second positioning plate is connected to the wall panel through a waist-shaped groove and a connector, while the first positioning plate can slide laterally on the wall panel and be fixed at any position.

8. The universal verification tool for pumped-storage stator coils according to claim 7, characterized in that: A lifting screw is provided through the first positioning plate, and the bottom of the lifting screw rests on the second positioning plate.

9. The universal verification tool for pumped-storage stator coils according to claim 8, characterized in that: The groove is equipped with a removable plug.

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