Antiskid multi-frequency damper

Abstract

The invention relates to an anti-slip multi-frequency damper, and relates to the technical field of power overhead line and cable construction, the anti-slip multi-frequency damper comprises a wire clamp body, a plurality of wound pre-twisted wires are arranged in the wire clamp body, an anti-vibration assembly is arranged below the wire clamp body, two ends of each pre-twisted wire are provided with preassembled sheets, and the preassembled sheets are provided with clamping assemblies. The clamping assembly is used for connecting and fixing the two ends of the pre-assembled piece to form a pre-assembled ring, the pre-assembled ring is arranged outside a plurality of wound pre-twisted wires in a sleeving mode, a plurality of connecting blocks corresponding to the pre-twisted wires in number are arranged on the inner wall of the pre-assembled ring, a pre-assembled groove is formed between every two adjacent connecting blocks, and the pre-twisted wires are clamped in the corresponding pre-assembled grooves. According to the invention, the pre-twisted wire can be rapidly installed on the surface of the cable by a worker, and the installation speed of the pre-twisted wire is improved.

Description

Technical Field

[0001] The present application relates to the technical field of construction of power overhead lines and cables, and in particular to an anti-slip multi-frequency anti-vibration hammer. Background Art

[0002] The anti-vibration hammer is designed to reduce the vibration of the wire caused by wind. The high-voltage overhead line pole is high and the span is large. When the cable is affected by wind, it will vibrate, and the cable will be fatigued due to periodic bending. When the overhead line span is greater than 120 meters, the anti-vibration hammer is generally used for vibration prevention.

[0003] In the related art, when installing the cable on the anti-vibration hammer, the workers working at height first wrap the pre-twisted wire on the surface of the cable, and then fix the anti-vibration hammer outside the pre-twisted wire. The process of installing the pre-twisted wire is cumbersome, and there are safety hazards for the workers working at height for a long time. Summary of the invention

[0004] In order to increase the installation speed of pre-twisted wires, the present application provides an anti-slip multi-frequency anti-vibration hammer.

[0005] The present application provides an anti-slip multi-frequency anti-vibration hammer adopts the following technical solution: A non-slip multi-frequency anti-vibration hammer includes a wire clamp body, a plurality of wound pre-twisted wires are arranged in the wire clamp body, an anti-vibration assembly is arranged below the wire clamp body, both ends of the pre-twisted wires are provided with pre-installed sheets, a clamping assembly is arranged on the pre-installed sheets, the clamping assembly is used to connect and fix the two ends of the pre-installed sheets and form a pre-installed ring, the pre-installed ring is sleeved outside the plurality of wound pre-twisted wires, a plurality of connection blocks corresponding to the number of pre-twisted wires are arranged on the inner wall of the pre-installed ring, a pre-installed groove is formed between two adjacent connection blocks, and the pre-twisted wires are clamped in the corresponding pre-installed groove. The clamping assembly includes a clamping sheet arranged at one end of the pre-installed sheet, a clamping groove is opened at the other end of the pre-installed sheet, and the clamping sheet extends into the clamping groove.

[0006] By adopting the above technical solution, when installing the pre-twisted wire on the cable, the two ends of the pre-twisted wire can be correspondingly connected to the pre-installed sheet first, and then the assembled pre-twisted wire and the pre-installed sheet are sleeved on the cable, and the two ends of the pre-installed sheet are connected by the clamping assembly to form a pre-installed ring sleeved on the surface of the cable, which is conducive to the staff to quickly install the pre-twisted wire on the surface of the cable. In addition, the clamping sheet is inserted into the clamping groove to realize the connection and fixation of the two ends of the pre-installed sheet.

[0007] Optionally, a fastening sheet is slidably connected to a side of the pre-installed sheet away from the pre-twisted wire, and two ends of the fastening sheet are clamped to form a fastening ring, which is threadedly connected to the pre-installed ring.

[0008] By adopting the above technical solution, the fastening ring formed by clamping the two ends of the fastening sheet is sleeved on the surface of the pre-installed ring, and the pre-installed ring is fixed by the threaded connection between the fastening ring and the pre-installed ring.

[0009] Optionally, a plurality of first fixing blocks are arranged on one side of the fastening ring close to the pre-installed sheet, and the clamping sheet is provided with second fixing blocks corresponding to the number of the first fixing blocks, and the second fixing blocks are arranged alternately with the first fixing blocks.

[0010] By adopting the above technical solution, the second fixing block and the first fixing block are arranged alternately, so that the fastening ring and the clamping piece are locked with each other, thereby preventing the clamping piece from falling off and causing the pre-installed ring to loosen.

[0011] Optionally, a locking plate is rotatably connected to the fastening plate, two ends of the locking plate are snap-fitted to form a locking ring, and the locking ring is threadedly connected to the pre-installed ring.

[0012] By adopting the above technical solution, the fastening ring is fixed through the threaded connection between the locking ring and the pre-installed ring, so as to prevent the fastening plate from rotating and causing the clamping plate to retreat and loosen.

[0013] Optionally, a plurality of rubber gaskets that abut against the cable are provided in the plurality of wound pre-twisted wires, a curved concave surface is provided on the surface of the rubber gasket away from the cable, a curved protrusion that extends into the curved concave surface is provided on the side of the wire clamp body close to the pre-twisted wire, the curved protrusion abuts against the pre-twisted wire, a plurality of tension springs are embedded in the rubber gasket, and the two ends of the tension springs are clamped and sleeved on the cable.

[0014] By adopting the above technical solution, a plurality of rubber gaskets are attached to the surface of the cable, which is conducive to increasing the friction between the pre-twisted wire and the cable. In addition, the arc-shaped concave surface set on the rubber gasket allows the arc-shaped protrusion to press the pre-twisted wire into the arc-shaped concave surface, thereby fixing the wire clamp body and the pre-twisted wire, which can prevent the wire clamp body from sliding on the pre-twisted wire, and is conducive to improving the anti-slip property of the wire clamp body.

[0015] Optionally, the wire clamp body includes a wire plate and a pressure cover, the wire plate is rotatably connected to the pressure cover, a fastener for fixing the wire plate to the pressure cover is provided, a clearance hole is opened on the pressure cover, the fastener passes through the clearance hole, and the surface of the pressure cover at the clearance hole abuts against the fastener.

[0016] By adopting the above technical solution, it is convenient for workers to install the wire clamp body on the cable line, and at the same time, the fastening piece further improves the tightness between the wire plate and the gland. In addition, it is convenient for workers to connect the gland with the fastener, which is beneficial to improve the installation speed of the workers.

[0017] Optionally, the anti-vibration component includes a steel strand arranged on a wire plate, hammers are arranged at both ends of the steel strand, and the distances between the two hammers and the wire plate correspond.

[0018] By adopting the above technical solution, the distances between the two hammers and the line plate are consistent, so that the amplitudes of the hammer vibrations correspond, which is beneficial to improving the vibration-proof performance.

[0019] In summary, the present application includes at least one of the following beneficial technical effects: 1. When installing pre-twisted wires on cables in this application, the two ends of the pre-twisted wires can be firstly connected to the pre-installed sheets, and then the assembled pre-twisted wires and the pre-installed sheets can be sleeved on the cables, and the two ends of the pre-installed sheets can be connected by a clamping assembly to form a pre-installed ring sleeved on the surface of the cable, which is conducive to the staff to quickly install the pre-twisted wires on the surface of the cable.

[0020] 2. After the pre-twisted wire is installed in the present application, the pre-twisted wire forms an arc-shaped concave surface on the rubber gasket, and the wire clamp body is installed in the arc-shaped concave surface, which is beneficial to improving the anti-slip property of the wire clamp body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application; Figure 2 It is a schematic diagram of the exploded structure of Example 1 of the present application, mainly showing the fastening block; Figure 3 It is a schematic diagram of the explosion structure of Example 1 of the present application, mainly showing the rubber gasket; Figure 4 It is a schematic diagram of the explosion structure of Example 2 of the present application, mainly showing a rubber gasket and a tension spring; Figure 5 It is a schematic diagram of the overall structure of Example 2 of the present application; Figure 6 yes Figure 5 A schematic diagram of the enlarged structure of part of the center; Figure 7 yes Figure 5 A schematic cross-sectional view of part of the structure along the BB plane; Figure 8 yes Figure 5 A schematic cross-sectional view of part of the structure along the CC plane; Fig. 9 yes Figure 5 The schematic cross-sectional view of part of the structure along the DD plane in the middle mainly shows the sliding seat and the fastening plate.

[0022] Description of the drawings: 1. Wire clamp body; 101. Wire plate; 102. Gland; 2. Pre-twisted wire; 3. Anti-vibration assembly; 301. Steel strand; 302. Hammer; 303. Riveted tube; 4. Rubber gasket; 5. Arc concave surface; 6. Rotating plate; 7. Rotating block; 8. Rotating shaft; 9. Arc hole; 10. Arc convex block; 11. Fastening block; 12. Fastener; 13. First nut; 14. Second nut; 15. Give way hole; 16, tension spring; 17, pre-installed sheet; 18, connecting block; 19, snap-in sheet; 20, snap-in groove; 21, fastening sheet; 22, first dovetail block; 23, first dovetail groove; 24, first fixed block; 25, second fixed block; 26, strip hole; 27, sliding seat; 28, sliding block; 29, snap-in convex; 30, snap-in groove; 31, locking groove; 32, locking sheet; 33, second dovetail block; 34, second dovetail groove. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1 -Attached Fig. 9 , further details of this application are given.

[0024] A non-slip multi-frequency anti-vibration hammer, refer to Figure 1 , Figure 2 , including a wire clamp body 1, a plurality of pre-twisted wires 2 wound around the surface of the cable are inserted into the wire clamp body 1, and an anti-vibration component 3 is inserted below the wire clamp body 1.

[0025] Reference Figure 2 , Figure 3 Two rubber gaskets 4 are arranged on the surface of the cable, and one side of the two rubber gaskets 4 abuts against the surface of the cable. The middle section of the side where the rubber gasket 4 abuts against the pre-twisted wire 2 is recessed inward to form an arc-shaped concave surface 5, and the two ends of the rubber gasket 4 outside the arc-shaped concave surface 5 protrude toward the side close to the pre-twisted wire 2, so that the two rubber gaskets 4 are in a waist drum shape after being matched, and at the same time, the pre-twisted wire 2 abuts against the rubber gasket 4 on the side where the arc-shaped concave surface 5 is located.

[0026] Reference Figure 3 The wire clamp body 1 includes a wire plate 101 and a pressure cover 102. One end of the wire plate 101 is integrally connected to two rotating plates 6, one of which is provided with a rotating groove, and the other rotating plate 6 is provided with a rotating hole corresponding to the position of the rotating groove. One end of the pressure cover 102 is integrally connected to a rotating block 7, which extends between the two rotating plates 6. In addition, a rotating shaft 8 that passes through the rotating block 7 is inserted into the rotating hole, and the rotating shaft 8 extends into the rotating groove and abuts against the bottom of the rotating groove.

[0027] The rotating plate 6 with the rotating hole is integrally connected with a plug-in block, and the plug-in block is arranged away from the rotating block 7. The plug-in block can be clamped with a leak-proof cover to prevent the rotating shaft 8 from falling off.

[0028] Reference Figure 2 , Figure 3 The wire plate 101 and the gland 102 are both provided with arc holes 9 on one side opposite to each other, and the two rubber gaskets 4 and the pre-twisted wires 2 are passed through and inserted into the arc holes 9. The two arc holes 9 are both integrally connected with arc convex blocks 10, which respectively contact the corresponding pre-twisted wires 2, and the arc convex blocks 10 extend into the corresponding arc concave surfaces 5, so that the pre-twisted wires 2 contact the arc concave surfaces 5.

[0029] Reference Figure 2 A fastening groove is provided on one side of the wire plate 101 away from the arc-shaped hole 9, and two fastening blocks 11 are integrally connected to the bottom of the fastening groove, and a fastening hole is provided at the bottom of the fastening groove between the two fastening blocks 11, and a fastener 12 is inserted into the fastening hole, and a first nut 13 fixedly connected to one end of the fastener 12 is inserted between the two fastening blocks 11.

[0030] A clearance hole 15 is formed at one end of the pressure cover 102 away from the rotating block 7, and an opening is formed on the inner wall of the side of the clearance hole 15 away from the rotating block 7. The fastener 12 passes through the clearance hole 15, and a gasket and a fastening ring are sleeved on the end of the fastener 12 away from the line plate 101. In addition, a second nut 14 for fixing the pressure cover 102 and the line plate 101 is threadedly connected on the side of the fastening ring away from the gasket.

[0031] The anti-vibration assembly 3 includes a steel strand 301 passing through the end of the line plate 101 away from the rotating plate 6, and the length of the steel strand 301 extending from the two ends of the line plate 101 is corresponding. Both ends of the steel strand 301 are sleeved with a riveted tube 303, and a tuning fork-like hammer 302 is sleeved on the riveted tube 303, and the hammers 302 at both ends are arranged oppositely.

[0032] refer to Figure 4 Two tension springs 16 are embedded in the two rubber gaskets 4, and the two tension springs 16 are respectively arranged on both sides of the arc-shaped concave surface 5. In addition, after the two ends of the tension springs 16 are mutually engaged, the two rubber gaskets 4 form a tubular shape, allowing the two rubber gaskets 4 to contact the surface of the cable.

[0033] refer to Figure 5 , Figure 6 Pre-installed sheets 17 are installed at both ends of the pre-twisted wire 2, wherein one side of the pre-installed sheet 17 is integrally connected with a connecting block 18 corresponding to the number of the pre-twisted wire 2, and two adjacent connecting blocks 18 cooperate to form a pre-installed groove, one end of the pre-twisted wire 2 is inserted into the pre-installed groove, and the pre-twisted wire 2 abuts against the side walls of the connecting blocks 18 on both sides.

[0034] refer to Figure 7 One end of the pre-installed sheet 17 is integrally connected with a clamping sheet 19, and the other end of the pre-installed sheet 17 is provided with a clamping groove 20. After being installed in place, the clamping sheet 19 extends into the clamping groove 20, so that the two ends of the pre-installed sheet 17 abut against each other to form a pre-installed ring.

[0035] refer to Figure 8 A fastening sheet 21 is slidably connected to the side of the pre-installed sheet 17 facing away from the connecting block 18. One end of the fastening sheet 21 is fixedly connected to a first dovetail block 22, and the other end thereof is provided with a first dovetail groove 23. After being installed in place, the first dovetail block 22 extends into the first dovetail groove 23, so that the two ends of the fastening sheet 21 abut against each other to form a fastening ring.

[0036] One side of the fastening sheet 21 is integrally connected with a plurality of first fixing blocks 24 that slide along the surface of the pre-installed sheet 17, one side of the clamping groove 20 has an inner wall with a fixing strip hole 26, and the bottom of the clamping groove 20 is provided with an inclined surface, and one side of the clamping sheet 19 is fixedly connected with a plurality of second fixing blocks 25. After being installed in place, the clamping sheet 19 abuts against the inclined surface so that the second fixing block 25 extends into and passes through the strip hole 26, and at the same time, the first fixing block 24 is inserted between two adjacent second fixing blocks 25.

[0037] refer to Figure 7 , Fig. 9 A sliding seat 27 is integrally provided on the surface of the pre-installed sheet 17 on the side close to the fastening sheet 21. A sliding groove is provided on the side of the sliding seat 27 close to the fastening sheet 21. A clamping protrusion 29 is integrally connected to one end of the sliding seat 27. A clamping groove 30 is provided at the other end thereof to cooperate with the clamping protrusion 29. After being installed in place, the clamping protrusion 29 extends into the clamping groove 30, so that the two ends of the sliding groove are connected and form an arc groove. In addition, a plurality of sliding blocks 28 are slidably connected in the sliding groove, and one end of a return spring is fixedly connected to the sliding block 28, and the other end of the return spring is fixedly connected to the fastening sheet 21.

[0038] refer to Figure 6 , Fig. 9 The end of the fastening piece 21 away from the sliding seat 27 is provided with a locking groove 31, and a locking piece 32 is slidably connected in the locking groove 31. A second dovetail block 33 is fixedly connected to one end of the locking piece 32, and a second dovetail groove 34 is provided at the other end. After being installed in place, the second dovetail block 33 extends into the second dovetail groove 34, so that the two ends of the locking piece 32 abut against each other to form a locking ring. In addition, the locking ring is threadedly connected to the pre-installed ring, so as to fasten the locking ring to the pre-installed ring.

[0039] The implementation principle of the embodiment 1 of the present application is: during installation, firstly, two rubber gaskets 4 are attached to the surface of the cable, and then the two ends of the tension spring 16 on the point cable are clamped. Then, the pre-twisted wire 2 is wound around the rubber gasket 4 and the outside of the cable.

[0040] When installing the pre-twisted wire 2, firstly clamp the two ends of the pre-twisted wire 2 on the pre-installed sheet 17, then clamp the assembled pre-twisted wire 2 with the pre-installed sheet 17, the fastening sheet 21 and the two ends of the locking sheet 32 ​​to form a pre-installed ring, a fastening ring and a locking ring, and sleeve them on the surface of the cable, and fix the pre-installed sheet 17 in the above manner. The installer can rotate the pre-installed rings at both ends of the pre-twisted wire 2 so that the pre-twisted wire 2 is wound on the surface of the cable.

[0041] Open the gland 102 and install the rubber gasket 4 at the arc-shaped concave surface 5 in the wire plate 101, and then fasten the gland 102 to the wire plate 101. The arc-shaped protrusions 10 on the gland 102 and the wire plate 101 press the pre-twisted wire 2 into the arc-shaped concave surface 5, thereby fixing the wire clamp body 1 and the pre-twisted wire 2, and preventing the wire clamp body 1 from sliding on the pre-twisted wire 2.

[0042] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An anti-slip multi-frequency anti-vibration hammer, comprising a wire clamp body (1), a plurality of wound pre-twisted wires (2) are arranged inside the wire clamp body (1), and an anti-vibration component (3) is arranged below the wire clamp body (1), characterized in that: Both ends of the pre-twisted wire (2) are provided with a pre-installed sheet (17), and a clamping assembly is provided on the pre-twisted sheet (17). The clamping assembly is used to connect and fix the two ends of the pre-twisted sheet (17) to form a pre-installed ring. The pre-installed ring is sleeved outside a plurality of wound pre-twisted wires (2). The inner wall of the pre-installed ring is provided with a plurality of connecting blocks (18) corresponding to the number of pre-twisted wires (2). A pre-installed groove is formed between two adjacent connecting blocks (18). The pre-twisted wire (2) is clamped in the corresponding pre-installed groove. The clamping assembly comprises a clamping sheet (19) provided at one end of the pre-installed sheet (17), and a clamping groove (20) is provided at the other end of the pre-installed sheet (17). The clamping sheet (19) extends into the clamping groove (20).

2. The anti-slip multi-frequency anti-vibration hammer according to claim 1, characterized in that: A fastening sheet (21) is slidably connected to the side of the pre-installed sheet (17) away from the pre-twisted wire (2), and two ends of the fastening sheet (21) are clamped to form a fastening ring, which is threadedly connected to the pre-installed ring.

3. The anti-slip multi-frequency anti-vibration hammer according to claim 2, characterized in that: A plurality of first fixing blocks (24) are arranged on one side of the fastening ring close to the pre-installed sheet (17); the clamping sheet (19) is provided with second fixing blocks (25) corresponding in number to the first fixing blocks (24); the second fixing blocks (25) and the first fixing blocks (24) are arranged in an alternating manner.

4. The anti-slip multi-frequency anti-vibration hammer according to claim 3, characterized in that: A locking piece (32) is rotatably connected to the fastening piece (21), and two ends of the locking piece (32) are clamped to form a locking ring, and the locking ring is threadedly connected to the pre-installed ring.

5. The anti-slip multi-frequency anti-vibration hammer according to claim 1, characterized in that: A plurality of rubber gaskets (4) are arranged in the wound pre-twisted wires (2) and are in contact with the cables. The surface of the rubber gasket (4) away from the cable is provided with an arc-shaped concave surface (5). The side of the wire clamp body (1) close to the pre-twisted wire (2) is provided with an arc-shaped protrusion (10) extending into the arc-shaped concave surface (5). The arc-shaped protrusion (10) is in contact with the pre-twisted wire (2). A plurality of tension springs (16) are embedded in the rubber gasket (4). The tension springs (16) are mounted on the cable after being clamped at both ends.

6. The anti-slip multi-frequency anti-vibration hammer according to claim 5, characterized in that: The wire clamp body (1) comprises a wire plate (101) and a pressure cover (102); the wire plate (101) is rotatably connected to the pressure cover (102); a fastener (12) for fixing the wire plate (101) to the pressure cover (102) is provided on the wire plate (101); a clearance hole (15) is provided on the pressure cover (102); the fastener (12) passes through the clearance hole (15); and the surface of the pressure cover (102) at the clearance hole (15) abuts against the fastener (12).

7. The anti-slip multi-frequency anti-vibration hammer according to claim 6, characterized in that: The anti-vibration component (3) comprises a steel strand (301) arranged on a wire plate (101), hammers (302) are arranged at both ends of the steel strand (301), and the distances between the two hammers (302) and the wire plate (101) correspond.

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