Disconnecting switch operating mechanism connection auxiliary tool
By designing auxiliary tooling for connecting the operating mechanism of the disconnector and utilizing the coordination of fixed and movable measuring claws, the measurement gap error is eliminated, and the accurate positioning of the angles of the disconnector output shaft and the transmission shaft is achieved, thus solving the problem of inaccurate measurement in the existing technology and improving assembly accuracy and efficiency.
Patent Information
- Application Number
- CN202422940117.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-29
AI Technical Summary
When measuring the angle between the hexagonal hole inside the output shaft of the isolating switch operating mechanism and the hexagonal transmission shaft outside the isolating switch body, the existing technology has the problem of inaccurate measurement, which is mainly due to the gap between the temporary hexagonal shaft and the hexagonal hole inside the output shaft of the operating mechanism and the measurement error caused by the unstable placement of the inclinometer.
An auxiliary tooling for connecting the operating mechanism of the disconnector is designed, which includes a base, a fixed measuring claw and a movable measuring claw. The distance between the two measuring claws can be adjusted by adjusting the screw. The external and internal positioning surfaces are combined with the inclinometer to ensure accurate positioning and tight fit, thereby eliminating gap errors.
It improves the accuracy and efficiency of measurement, reduces measurement costs, has good structural stability, is easy to operate, has a wide range of applications, can effectively eliminate angle deviation, and ensure the accuracy of disconnector assembly.
Smart Images
Figure CN223412715U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of GIS switch equipment assembly, in particular to an auxiliary tooling for connecting an operating mechanism of an isolating switch. Background Art
[0002] In a disconnector, the operating mechanism is the driving force for closing the switch. It receives commands from the control system and converts them into mechanical energy, thereby driving the switch to open and close. The disconnector transmits mechanical energy to the switch body's drive shaft via the operating mechanism's output shaft. The drive shaft then transfers this mechanical energy to the moving contact, enabling the operating mechanism to drive the moving contact to open and close. The drive shaft not only transmits the mechanical energy generated by the operating mechanism to the moving contact of the switch body to achieve opening and closing operations, but also serves as the connecting component between the operating mechanism and the switch body.
[0003] During the assembly of the disconnector, when the output shaft of the operating mechanism is docked with the drive shaft of the disconnector body, the outer hexagonal drive shaft of the disconnector body needs to be fitted into the inner hexagonal hole of the output shaft of the operating mechanism, and confirmation is made that the output shaft and the drive shaft of the disconnector body are at the correct angles to ensure that the moving contact of the disconnector is in the correct position after docking.
[0004] In the prior art, when measuring the angle of the hexagonal hole in the output shaft of the operating mechanism, Figure 1 As shown, first put the temporary hexagonal shaft 102 that matches the hexagonal hole into the inner hexagonal hole of the operating mechanism output shaft 101, as shown in FIG. Figure 2 As shown, place the inclinometer 103 on the reference surface and zero it, then place it on the plane of the temporary hexagonal shaft 2 and read the data after it stabilizes. A similar method is also used to measure the external hexagonal transmission shaft on the disconnector body, as shown in the following figure. Figure 3 and Figure 4 As shown, the inclinometer 103 is placed on the reference surface and zeroed, and then placed directly on the plane of the transmission shaft 104, and the reading is read after the data is stable. This direct measurement method has two shortcomings, such as Figure 5 As shown, there is a gap between the temporary hexagonal shaft 102 and the inner hexagonal hole of the operating mechanism output shaft 103. This gap will cause an angular deviation between the axis of the temporary hexagonal shaft 102 and the axis of the inner hexagonal hole of the operating mechanism output shaft 103, resulting in inaccurate measurement results. Figure 6 As shown, secondly, the planes on the temporary hexagonal shaft 102 and the external hexagonal transmission shaft 104 are too small, and the placement of the inclinometer 103 is not stable enough, which will also cause inaccurate measurement results. Utility Model Content
[0005] The utility model aims to provide an auxiliary tool for connecting an operating mechanism of an isolating switch, so as to solve the problem of inaccurate measurement when measuring the angle between the hexagonal hole inside the output shaft of the operating mechanism and the hexagonal transmission shaft outside the isolating switch body.
[0006] In order to solve the above problems, the auxiliary tooling for connecting the operating mechanism of the disconnector of the present invention adopts the following technical solutions:
[0007] A connection auxiliary tooling for an isolating switch operating mechanism includes a base, on which two measuring claws are installed, at least one of the two measuring claws is a movable measuring claw installed on the base that can be guided in a direction close to and away from the other, the movable measuring claw is transmission-connected to an adjusting screw, and the two measuring claws can be driven closer to and away from each other by adjusting the screw, the outer side surfaces of the two measuring claws are respectively provided with external positioning surfaces arranged at an angle not less than a set angle, the set angle being equal to the angle between adjacent side surfaces of the axial hole of the output shaft of the isolating switch operating mechanism, the inner side surfaces of the two measuring claws are provided with internal positioning surfaces arranged at an angle not greater than the set angle, and a mating surface for mating with an inclinometer is provided on the base.
[0008] Furthermore, one of the two measuring claws is fixedly mounted on the base to form a fixed measuring claw, and the other is fixedly connected to the adjusting screw, which forms a telescopic rod on the base, and a roller that cooperates with the adjusting screw thread is rotatably mounted on the base.
[0009] Furthermore, roller support plates are respectively provided on the base or the fixed measuring claw at both ends of the roller, and the roller is rotatably mounted on the roller support plates.
[0010] Furthermore, the base includes two side plates that are spaced apart and arranged opposite to each other, and the two side plates are fixedly mounted on the fixed measuring claw, and the two side plates constitute a slide rail that cooperates with the movable measuring claw.
[0011] Furthermore, a sliding groove is provided on the side surface of the movable measuring claw close to the two side plates, and the two side plates are embedded in the sliding groove on the corresponding side of the measuring claw to cooperate with the measuring claw in a guiding manner.
[0012] Furthermore, the ends of the two side plates away from the fixed measuring claw are connected via a support limit block, and the support limit block is engaged with the movable measuring claw.
[0013] Furthermore, the intersection of the outer positioning surfaces is truncated.
[0014] Furthermore, an avoidance groove for avoiding the ridges on the transmission shaft of the disconnector is provided at the intersection of the inner positioning surfaces.
[0015] Furthermore, a through hole is provided on the movable measuring claw, and one end of the adjusting screw rod passes through the through hole and is fixed by locking nuts provided at both ends of the movable measuring claw.
[0016] Furthermore, the roller and the roller support plate are rotationally engaged via a bearing.
[0017] Beneficial effects: The auxiliary tooling for connecting the isolating switch operating mechanism of the present invention is a pioneering invention. Through this solution, the movable measuring claw and the fixed measuring claw are arranged relative to each other, and are installed and guided through the base; at the same time, the movable measuring claw is connected to the adjusting screw, and the distance between the two measuring claws can be accurately adjusted by adjusting the extension and contraction of the screw, so as to closely cooperate with the output shaft hole or the transmission shaft of the isolating switch operating mechanism to prevent angular deviation. The auxiliary tooling for connecting the isolating switch operating mechanism of the present invention can clamp the output shaft and the transmission shaft through the fixed measuring claw and the movable measuring claw, and the base provides a placement position for the inclinometer to facilitate measurement. The auxiliary tooling for connecting the isolating switch operating mechanism of the present invention has a stable structure, is easy to operate, and has a wide range of applications. It can greatly improve measurement efficiency and accuracy and reduce measurement costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the original measurement method for the hexagonal hole in the output shaft of the operating mechanism;
[0019] Figure 2 This is a schematic diagram of the placement of the inclinometer for the original measurement method of the hexagonal hole in the output shaft of the operating mechanism;
[0020] Figure 3 This is a schematic diagram of the hexagonal drive shaft on the disconnector body;
[0021] Figure 4 This is a schematic diagram of the placement of the inclinometer for the original measurement method of the hexagonal transmission shaft on the disconnector body;
[0022] Figure 5 A schematic diagram illustrating the shortcomings of the original method for measuring the hexagonal hole in the output shaft of the operating mechanism;
[0023] Figure 6 This is a schematic diagram illustrating the shortcomings of the original method for measuring the hexagonal drive shaft on the disconnector body;
[0024] Figure 7 This is a structural diagram of an embodiment of the auxiliary tooling for connecting the operating mechanism of the disconnector of the present utility model;
[0025] Figure 8 A three-dimensional schematic diagram of the structure of an embodiment of the auxiliary tooling for connecting the operating mechanism of the disconnector of the present invention;
[0026] Figure 9 for Figure 7 Cross-sectional view of AA;
[0027] Figure 10 for Figure 7 Schematic diagram of the structure of the fixed measuring claw;
[0028] Figure 11 for Figure 7 Schematic diagram of the structure of the movable measuring claw;
[0029] Figure 12 This is a schematic diagram of an embodiment of the auxiliary tooling for connecting the operating mechanism of the disconnector of the present invention in use;
[0030] Figure 13 for Figure 12 Schematic diagram of the specific clamping state of the middle measuring jaw and the measured shaft;
[0031] Figure 14 This is a schematic diagram of another use state of an embodiment of the auxiliary tooling for connecting the operating mechanism of the disconnector of the present utility model;
[0032] Figure 15 for Figure 14 Schematic diagram of the specific clamping state of the middle measuring jaw and the measured shaft.
[0033] In the figure: 101, operating mechanism output shaft; 102, temporary hexagonal shaft; 103, inclinometer; 104, external hexagonal transmission shaft of disconnector; 1, movable measuring claw; 2, adjusting screw; 3, external locating surface; 4, internal locating surface; 5, fixed measuring claw; 6, roller; 7, roller support plate; 8, side plate; 9, slide groove; 10, support limit block; 11, avoidance groove; 12, through hole; 13, locking nut; 14, bearing. DETAILED DESCRIPTION
[0034] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.
[0035] The auxiliary tooling for connecting the operating mechanism of the disconnector of the present invention adopts a structure similar to that of a vernier caliper, wherein the fixed measuring claw and the movable measuring claw are equivalent to the two movable claws of the vernier caliper, the output shaft hole or the transmission shaft of the disconnector operating mechanism closely matches the measuring claw, and the base provides a placement position for the inclinometer to avoid angle deviation and facilitate inclinometer measurement.
[0036] As a basic solution, the auxiliary tooling for connecting the operating mechanism of the disconnector of the present invention includes a base, and the stable base ensures that the entire tooling can maintain stability and accuracy during use; Figure 7 and Figure 8As shown, two measuring jaws are mounted on the base, at least one of which is a movable measuring jaw 1 mounted on the base and can be guided in a direction toward and away from the other. The movable measuring jaw 1 is also connected to an adjusting screw 2, and the distance between the two measuring jaws is adjusted by adjusting the screw 2 for extension and retraction. The outer sides of the two measuring jaws are respectively provided with outer positioning surfaces 3 arranged at an angle not less than a set angle. The set angle is equal to the angle between adjacent side surfaces of the axial hole of the output shaft of the disconnector operating mechanism. The inner sides of the two measuring jaws are provided with inner positioning surfaces 4 arranged at an angle not greater than the set angle. The positioning surfaces arranged at a certain angle can respectively cooperate with the inner hexagonal hole and the outer hexagonal shaft during measurement. When the fixture is applied to the inner hexagonal hole of the operating mechanism output shaft, the outer sides of the two clamping jaws are used to support the two opposite corners of the hexagonal hole. When the fixture is applied to the outer hexagonal transmission shaft on the disconnector body, the inner sides of the two clamping jaws are used to clamp the two opposite corners of the outer hexagonal shaft. This method can eliminate the gap between the fixture and the hexagonal hole or transmission shaft.
[0037] As a preferred embodiment, one of the two measuring claws is fixedly mounted on the base to form a fixed measuring claw 5, providing a stable measurement reference to ensure the accuracy of the measurement; the movable measuring claw 1 is connected to the adjusting screw 2, and the positioning surface of the measuring claw is tightly matched with the output shaft hole or transmission shaft of the isolating switch operating mechanism through the precise control of the adjusting screw 2; a roller 6 that is threadedly matched with the adjusting screw 2 is rotatably mounted on the base, and the rotation of the roller 6 drives the adjusting screw 2 to perform telescopic movement, thereby driving the movable measuring claw 1 to move, thereby improving the efficiency and accuracy of the transmission.
[0038] As a preferred embodiment, Figure 7 and Figure 10 As shown, roller support plates 7 are provided on the base or fixed measuring jaw 5 at both ends of the roller 6. The roller 6 is rotatably mounted on these roller support plates 7. Together with the base or fixed measuring jaw 5, the roller support plates 7 form the mounting base for the roller 6. The presence of the roller support plates 7 reduces the shaking of the roller 6 during operation, improving the stability of the overall tooling. Furthermore, the roller 6 maintains the correct position and angle during operation, enhancing operational accuracy and stability.
[0039] As a preferred embodiment, the base includes two side plates 8 spaced apart and arranged opposite each other. These side plates 8 are fixedly mounted to the fixed measuring jaw 5. The side plates 8 of the base form a slide rail, which provides a travel path for the movable measuring jaw 1. The slide rail cooperates with the movable measuring jaw 1 to facilitate clamping the internal hexagonal hole of the output shaft or external hexagonal drive shaft being measured. Due to friction and wear between the side plates 8 and the movable measuring jaw 1, the side plates 8 are constructed of a wear-resistant material to extend the service life of the tooling.
[0040] As a preferred embodiment, a slide groove 9 is provided on the side of the movable measuring claw 1 close to the two side plates 8, and the two side plates 8 are embedded in the slide groove 9 on the corresponding side of the movable measuring claw 1, forming a guiding fit with the slide groove 9; the slide groove 9 also facilitates the guiding fit between the movable measuring claw 1 and the side plates 8, ensuring the smoothness and accuracy of the movement of the movable measuring claw 1.
[0041] In a preferred embodiment, the ends of the two side panels 8 facing away from the fixed measuring jaw 5 are connected by a support stop 10. Together, the two side panels 8 form a slide rail that guides and supports the movement of the movable measuring jaw 1 and also serves as a mounting base for the support stop 10, ensuring the stability of the fixture structure. The support stop 10 limits the range of movement of the movable measuring jaw 1, preventing it from sliding beyond the length of the side panels 8. Furthermore, the support stop 10 supports and stabilizes the two side panels 8, enhancing the overall structural strength of the fixture.
[0042] As a preferred embodiment, the intersection of the outer locating surfaces 3 is truncated. This truncated outer locating surface 3 more precisely matches the shape and size of the output shaft bore, ensuring a close fit and accurate positioning between the fixture and the operating mechanism, and preventing interference between the fixture and the workpiece, which could affect measurement accuracy. Untruncated locating surfaces have a simpler structure and lower processing costs, but may cause interference between the fixture and the workpiece, affecting transmission accuracy.
[0043] As a preferred embodiment, Figure 11 As shown, the intersection of the inner positioning surfaces 4 is provided with a clearance groove 11 for avoiding the ridges on the drive shaft of the disconnector. During operation of the fixture of the present invention, the ridges on the drive shaft may interfere with the inner positioning surfaces 4 of the fixture, causing damage to the drive shaft or the fixture. The design of the clearance groove 11 ensures that the fixture can smoothly and accurately clamp the drive shaft, avoiding unnecessary collisions and friction.
[0044] As a preferred embodiment, a perforation 12 is provided on the movable measuring claw 1, such as Figure 9 As shown, one end of the adjusting screw 2 passes through the through-hole 12 and is secured by locking nuts 13 provided at both ends of the movable measuring jaw 1. The locking nuts 13 tightly lock one end of the adjusting screw 2 within the through-hole 12, ensuring that the movable measuring jaw 1 does not loosen or move during the measurement process, thereby improving the safety and reliability of the tooling transmission structure.
[0045] As a preferred embodiment, the roller 6 and the roller support plate 7 are rotationally engaged via a bearing 14. The bearing is a connecting member between the roller 6 and the roller support plate 7, providing rolling contact between the roller 6 and the roller support plate 7, reducing friction and wear while ensuring smooth rotation of the roller 6. In other embodiments, by improving the structure of the roller 6 and the support plate, bearingless rolling contact can be achieved. Bearingless rolling contact may require higher manufacturing precision and a more complex structure to achieve stable rolling contact.
[0046] The specific implementation process of this embodiment is as follows: when the operator measures the hexagonal hole in the output shaft of the operating mechanism, the operating roller rotates to make the adjusting screw 2 extend and retract to drive the movable measuring claw 1 close to the fixed measuring claw 5, and the clamping jaws of the fixed measuring claw 5 and the movable measuring claw 1 are placed into the hexagonal hole in the output shaft of the operating mechanism, as shown in FIG. Figure 12 and Figure 13 As shown, the jaw spacing between the fixed measuring jaw 5 and the movable measuring jaw 1 is precisely adjusted so that the outer positioning surface of the jaw fits in with the inner hexagonal hole of the output shaft of the operating mechanism, and then the deflection angle of the inner hexagonal hole of the output shaft of the operating mechanism can be measured using an inclinometer.
[0047] When the operator measures the deflection angle of the hexagonal transmission shaft on the isolating switch body, the operating roller rotates to cause the adjusting screw 2 to extend and retract, driving the movable measuring claw 1 away from the fixed measuring claw 5. Figure 14 and Figure 15 As shown, the clamping jaws of the fixed measuring jaw 5 and the movable measuring jaw 1 are clamped on the outer side of the external hexagonal transmission shaft on the disconnector body, and then the clamping jaw spacing of the fixed measuring jaw 5 and the movable measuring jaw 1 is accurately adjusted so that the inner positioning surface of the clamping jaw fits with the outer side of the external hexagonal transmission shaft on the disconnector body. Then, the deflection angle of the external hexagonal transmission shaft on the disconnector body can be measured using an inclinometer.
[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The scope of patent protection of the present invention shall be based on the claims. Any equivalent structural changes made using the description and drawings of the present invention shall also be included in the scope of protection of the present invention.
Claims
1. An auxiliary tool for connecting an isolating switch operating mechanism, characterized in that: It includes a base, on which two measuring claws are installed, at least one of the two measuring claws is a movable measuring claw installed on the base that can be guided in a direction close to and away from the other, the movable measuring claw is transmission-connected to an adjusting screw, and the two measuring claws can be driven to approach and move away from each other by adjusting the screw, and the outer sides of the two measuring claws are respectively provided with external positioning surfaces arranged at an angle not less than a set angle, and the set angle is equal to the angle between adjacent side surfaces of the axial hole of the output shaft of the disconnector operating mechanism, and the inner sides of the two measuring claws are provided with internal positioning surfaces arranged at an angle not greater than the set angle, and a mating surface for mating with an inclinometer is provided on the base.
2. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 1, characterized in that: One of the two measuring claws is fixedly mounted on the base to form a fixed measuring claw, and the other is fixedly connected to the adjusting screw, which forms a telescopic rod on the base. A roller that cooperates with the adjusting screw thread is rotatably mounted on the base.
3. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 2, characterized in that: Roller support plates are respectively provided on the base or the fixed measuring claw at both ends of the roller, and the roller is rotatably mounted on the roller support plates.
4. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 2, characterized in that: The base includes two side plates that are spaced apart and arranged opposite to each other. The two side plates are fixedly mounted on the fixed measuring claws, and the two side plates constitute slide rails that cooperate with the movable measuring claws.
5. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 4, characterized in that: The side surfaces of the movable measuring claw close to the two side plates are provided with sliding grooves, and the two side plates are embedded in the sliding grooves on the corresponding sides of the measuring claw to cooperate with the measuring claw in a guiding manner.
6. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 4, characterized in that: The ends of the two side plates away from the fixed measuring claw are connected via a support limit block, and the support limit block is engaged with the movable measuring claw.
7. The auxiliary tooling for connecting the disconnector operating mechanism according to any one of claims 1 to 6, characterized in that: The intersection of the outer positioning surfaces is truncated.
8. The auxiliary tooling for connecting the disconnector operating mechanism according to any one of claims 1 to 6, characterized in that: The intersection of the inner positioning surfaces is provided with an avoidance groove for avoiding the ridges on the transmission shaft of the disconnector.
9. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 2, characterized in that: A through hole is provided on the movable measuring claw, and one end of the adjusting screw rod passes through the through hole and is fixed by locking nuts provided at both ends of the movable measuring claw.
10. The auxiliary tooling for connecting the disconnector operating mechanism according to claim 3, characterized in that: The roller and the roller support plate are rotationally matched through bearings.