Clamping tool for conveniently machining grading ring
By designing a clamping fixture that includes a base plate, annular tray, annular guide groove, annular column, motor, linkage rod and hydraulic cylinder, the problems of poor stability and inconvenient adjustment in the processing of equalizing rings are solved, and the processing efficiency is improved.
Patent Information
- Application Number
- CN202422985033.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing clamping fixtures for equalizing rings have poor stability and are not easy to adjust flexibly, resulting in low processing efficiency.
A convenient machining clamping fixture was designed, comprising a base plate, an annular tray, an annular guide groove, an annular column, a motor, a linkage rod, a hydraulic cylinder, and a clamping structure. The workpiece position is adjusted by rotating the annular column driven by the motor, and the clamping structure is adjusted up and down and fixed by the hydraulic cylinder.
This results in good workpiece stability, flexible orientation adjustment, and improved processing efficiency.
Smart Images

Figure CN223643544U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pressure equalizing ring processing equipment, specifically a convenient clamping fixture for processing pressure equalizing rings. Background Technology
[0002] Equalizing rings are a type of protective fitting used in all string-type lines and substations of 330kV and above voltage levels to protect insulators and fittings. They can effectively improve the surface potential gradient of insulators, prevent insulators from aging rapidly and losing their original function, and also effectively reduce the corona intensity and radio interference noise of the internal products protected by the equalizing ring.
[0003] The equalizing ring requires clamping equipment during processing. Existing clamping fixtures have poor stability and are not easy to adjust flexibly, which reduces processing efficiency. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a convenient clamping fixture for processing equalizing rings, which solves the problems that: equalizing rings require clamping equipment during processing, and existing clamping fixtures have poor stability and are not easy to adjust flexibly, thus reducing processing efficiency.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a convenient clamping fixture for processing equalizing rings, comprising a base plate, an annular tray on the top of the base plate, an annular guide groove on the top of the tray, and a slidable annular column embedded in the guide groove; a motor is located at the center of the top of the base plate, and a plurality of linkage rods are equidistantly arranged on the output shaft of the motor, the outer ends of the linkage rods being connected to the inner wall of the annular column; a hydraulic cylinder is symmetrically arranged on the top of the annular column, the output end of the hydraulic cylinder is connected to a guide ring, and a plurality of clamping structures are equidistantly arranged on the guide ring, the clamping structures being detachably connected to the guide ring.
[0008] As a further preferred embodiment of this utility model, the clamping structure includes a mounting block, a vertical plate on the top of the mounting block, a strip-shaped and horizontal guide frame connected to the top of the vertical plate, the guide frame being hollow inside with its inner end open, a second hydraulic cylinder on the outer wall of the guide frame, a movable plate connected to the output end of the second hydraulic cylinder, a casting block on the movable plate, a vertical rod inserted into the top of the casting block, a connecting rod connected to the outer end of the vertical rod, and a pressure plate connected to the outer end of the connecting rod.
[0009] As a further preferred embodiment of this utility model, the pressure plate is arc-shaped, and a protruding edge extending inward is provided at the bottom end of the pressure plate.
[0010] As a further preferred embodiment of the present invention, the bottom of the base plate is provided with an annular groove, and a mounting slot is provided at the center of the groove, and a plurality of through holes are provided at equal intervals along the edge of the mounting slot.
[0011] As a further preferred embodiment of this utility model, a plurality of protrusions are equidistantly arranged on the inner wall of the pressure plate.
[0012] (III) Beneficial Effects
[0013] This invention provides a convenient clamping fixture for machining equalizing rings. It offers the following advantages:
[0014] The base plate of this utility model has an annular tray on top, and an annular guide groove on top of the tray. A slidable annular column is embedded in the guide groove. The entire annular column is driven by a motor and a linkage rod, so that the position of the workpiece can be rotated and adjusted for easy processing. A hydraulic cylinder is symmetrically arranged on the top of the annular column. The output end of the hydraulic cylinder is connected to a guide ring. Several clamping structures are equidistantly arranged on the guide ring, so that the workpiece can be moved up and down to adjust its position.
[0015] The clamping structure of this utility model has a vertical plate on the top of the mounting block, and a strip-shaped guide frame that is kept horizontal is connected to the top of the vertical plate. The guide frame is hollow inside and the inner end is open. A hydraulic cylinder can push the movable plate, which drives the top casting block and pressure plate to move inward to clamp and fix the workpiece. The bottom of the pressure plate has a protruding edge that extends inward, which can play a supporting role. The overall stability is good. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0017] Figure 2 This is a front view structural diagram of the present invention;
[0018] Figure 3 This is a bottom view of the base plate of this utility model.
[0019] Figure 4 This is a schematic diagram of the clamping structure of this utility model.
[0020] In the diagram, 1. Base plate; 2. Tray; 3. Annular column; 4. Motor; 5. Linkage rod; 6. Hydraulic cylinder one; 7. Guide ring; 8. Mounting block; 9. Vertical plate; 10. Guide frame; 11. Hydraulic cylinder two; 12. Movable plate; 13. Casting block; 14. Vertical rod; 15. Connecting rod; 16. Pressure plate; 17. Protruding edge; 18. Slot; 19. Protruding strip. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-4 This utility model provides a technical solution: a convenient clamping fixture for processing equalizing rings, including a base plate 1, an annular tray 2 on the top of the base plate 1, an annular guide groove on the top of the tray 2, and a slidable annular column 3 embedded in the guide groove. A motor 4 is located at the center of the top of the base plate 1. Several linkage rods 5 are equidistantly arranged on the output shaft of the motor 4. The outer ends of the linkage rods 5 are connected to the inner wall of the annular column 3. A hydraulic cylinder 6 is symmetrically arranged on the top of the annular column 3. The output end of the hydraulic cylinder 6 is connected to a guide ring 7. Several clamping structures are equidistantly arranged on the guide ring 7. The clamping structures are detachably connected to the guide ring 7.
[0023] The clamping structure includes a mounting block 8, a vertical plate 9 on the top of the mounting block 8, a strip-shaped and horizontal guide frame 10 connected to the top of the vertical plate 9, the guide frame 10 being hollow inside with its inner end open, a hydraulic cylinder 11 on the outer wall of the guide frame 10, a movable plate 12 connected to the output end of the hydraulic cylinder 11, a casting block 13 on the movable plate 12, a vertical rod 14 inserted into the top of the casting block 13, a connecting rod 15 connected to the outer end of the vertical rod 14, and a pressure plate 16 connected to the outer end of the connecting rod 15. By using the hydraulic cylinder 11 to push the movable plate 12 and the casting block 13, the workpiece is clamped and fixed by the connecting rod 15 and the pressure plate 16 on its outer side. The connecting rod 15 can be quickly disassembled and assembled, and pressure plates 16 of different diameters can be replaced to facilitate the fixing of the workpiece.
[0024] The pressure plate 16 is arc-shaped, and a protruding edge 17 extending inward is provided at the bottom end of the pressure plate 16. The arc-shaped pressure plate 16 facilitates the fixing of the ring-shaped workpiece, and the protruding edge 17 at the bottom can play a supporting role.
[0025] The bottom of the base plate 1 is provided with an annular slot 18, and the center of the slot 18 is provided with a mounting hole. Several through holes are provided at equal intervals along the edge of the mounting hole, so that the slot 18, the slot, and the through holes can be used to quickly plug and install and fix other devices.
[0026] Several protrusions 19 are equidistantly arranged on the inner wall of the pressure plate 16 to increase the friction of the inner wall surface of the pressure plate 16.
[0027] Working principle: The top of the base plate 1 is provided with an annular tray 2, and the top of the tray 2 is provided with an annular guide groove, in which a sliding annular column 3 is embedded. The entire annular column 3 is driven by the motor 4 and the linkage rod 5, so that the workpiece position can be rotated and adjusted for processing. The top of the annular column 3 is symmetrically provided with hydraulic cylinder 6, and the output end of the hydraulic cylinder 6 is connected to a guide ring 7. Several clamping structures are equidistantly arranged on the guide ring 7, so that the workpiece can be moved up and down to adjust its position. The top of the clamping structure mounting block 8 is provided with a vertical plate 9, and the top of the vertical plate 9 is connected to a strip-shaped guide frame 10 that is kept horizontal. The inside of the guide frame 10 is hollow and the inner end is kept open. The second hydraulic cylinder 11 can push the movable plate 12, which drives the top casting block 13 and pressure plate 16 to move inward to clamp and fix the workpiece. The bottom of the pressure plate 16 has a protruding edge 17 that extends inward, which can provide support and ensure good overall stability.
[0028] The components of this utility model are: 1. base plate; 2. tray; 3. annular column; 4. motor; 5. linkage rod; 6. hydraulic cylinder one; 7. guide ring; 8. mounting block; 9. upright plate; 10. guide frame; 11. hydraulic cylinder two; 12. movable plate; 13. casting block; 14. vertical rod; 15. connecting rod; 16. pressure plate; 17. protruding edge; 18. slot; 19. protruding strip. All components are general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. This utility model solves the problem that clamping equipment is required during the processing of equalizing rings. Existing clamping fixtures have poor stability and are not convenient for flexible adjustment, reducing processing efficiency. This utility model, through the combination of the above components, has a base plate with a top... The circular tray has an annular guide groove at its top, into which a sliding annular column is embedded. A motor and linkage rod drive the entire annular column, allowing for rotational adjustment of the workpiece position for easier processing. A hydraulic cylinder is symmetrically positioned at the top of the annular column, with its output end connected to a guide ring. Several clamping structures are evenly spaced on the guide ring, enabling vertical adjustment of the workpiece. The clamping structure of this invention features a vertical plate at the top of its mounting block, with a horizontal, strip-shaped guide frame connected to the top of the vertical plate. The guide frame is hollow with its inner end open. A second hydraulic cylinder pushes a movable plate, causing the top casting block and pressure plate to move inwards, thus clamping and fixing the workpiece. The bottom of the pressure plate has an inwardly protruding edge for support, ensuring good overall stability.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A convenient machining and clamping fixture for equalizing rings, comprising a base plate (1), characterized in that: The top of the base plate (1) is provided with an annular tray (2), the top of the tray (2) is provided with an annular guide groove, and a slidable annular column (3) is embedded in the guide groove. A motor (4) is provided at the top center of the base plate (1). Several linkage rods (5) are equidistantly arranged on the output shaft of the motor (4). The outer ends of the linkage rods (5) are connected to the inner wall of the annular column (3). A hydraulic cylinder (6) is symmetrically arranged on the top of the annular column (3). The output end of the hydraulic cylinder (6) is connected to a guide ring (7). Several clamping structures are equidistantly arranged on the guide ring (7). The clamping structures are detachably connected to the guide ring (7).
2. The convenient machining and clamping fixture for the equalizing ring according to claim 1, characterized in that: The clamping structure includes a mounting block (8), a vertical plate (9) is provided on the top of the mounting block (8), a strip-shaped and horizontal guide frame (10) is connected to the top of the vertical plate (9), the guide frame (10) is hollow inside and the inner end is open, a hydraulic cylinder (11) is provided on the outer wall of the guide frame (10), a movable plate (12) is connected to the output end of the hydraulic cylinder (11), a casting block (13) is provided on the movable plate (12), a vertical rod (14) is inserted into the top of the casting block (13), a connecting rod (15) is connected to the outer end of the vertical rod (14), and a pressure plate (16) is connected to the outer end of the connecting rod (15).
3. The convenient machining and clamping fixture for the equalizing ring according to claim 2, characterized in that: The pressure plate (16) is arc-shaped, and a protruding edge (17) extending inward is provided at the bottom end of the pressure plate (16).
4. The convenient machining and clamping fixture for the equalizing ring according to claim 1, characterized in that: The bottom of the base plate (1) is provided with an annular slot (18), and the center of the slot (18) is provided with an installation slot hole, and the edge of the installation slot hole is provided with several through holes at equal intervals.
5. The convenient machining and clamping fixture for the equalizing ring according to claim 3, characterized in that: The inner wall of the pressure plate (16) is provided with several protrusions (19) at equal intervals.