CN210296047U

CN210296047U - Linear insulator

Info

Publication number: CN210296047U
Application number: CN201921110456.8U
Authority: CN
Inventors: 王普军; 徐立鑫; 张德新
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-10
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a linear insulator belongs to the electrician field. The linear insulator comprises a wire clamping groove and a silicon rubber shed assembly, wherein the wire clamping groove is fixedly arranged on the silicon rubber shed assembly; be provided with the first through-hole that is used for interlude the cable conductor in the wire clamping groove, be provided with the second through-hole that is used for interlude the cable conductor in the sprue, all be provided with logical groove on the lateral wall of wire clamping groove and sprue, logical groove on the wire clamping groove runs through the lateral wall both ends of wire clamping groove, and the logical groove and the first through-hole intercommunication of wire clamping groove, logical groove on the sprue runs through the lateral wall both ends of sprue equally, and the logical groove and the second through-hole intercommunication of sprue, the outer wall of sprue and the inner wall screw-thread fit of first through-hole. The utility model discloses a with the sprue cartridge at the wire clamping groove to realize the fixed to the cable conductor fast, improved the fixed efficiency of cable conductor greatly.

Description

Linear insulator

Technical Field

The utility model belongs to the electrician field, in particular to linear insulator.

Background

The linear insulator is a special insulating control part and is used for installing a cable on a bridge frame in an overhead transmission line so as to play a role in supporting and insulating the ground.

The existing linear insulator comprises a wire clamping groove and a silicon rubber umbrella skirt, wherein one end of the silicon rubber umbrella skirt is fixedly connected with the wire clamping groove, the other end of the silicon rubber umbrella skirt is fixed on a bridge, and a cable is fixed in the wire clamping groove, so that the cable is supported and insulated.

When the cable conductor is installed on the wire clamping groove, the cable conductor and the wire clamping groove need to be bound and fixed through binding wires, so that the cable conductor fixing efficiency is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a linear insulator, this linear insulator can realize the fixed to the cable conductor fast to improve work efficiency, technical scheme is as follows:

the embodiment of the utility model provides a linear insulator, which comprises a wire clamping groove and a silicon rubber shed assembly, wherein the wire clamping groove is fixedly arranged on the silicon rubber shed assembly, and the linear insulator also comprises a blocking block;

be provided with the first through-hole that is used for interlude the cable conductor in the wire clamping groove, be provided with the second through-hole that is used for interlude the cable conductor in the sprue, the wire clamping groove with all be provided with logical groove on the lateral wall of sprue, logical groove on the wire clamping groove runs through the lateral wall both ends of wire clamping groove, just the logical groove of wire clamping groove with first through-hole intercommunication, logical groove on the sprue runs through equally the lateral wall both ends of sprue, just the logical groove of sprue with second through-hole intercommunication, the outer wall of sprue with the inner wall screw-thread fit of first through-hole.

Further, the sprue comprises a sprue body and a sprue cap, the sprue cap is coaxially connected to one end of the sprue body, the outer edge of the sprue cap protrudes out of the outer wall of the sprue body, and the outer wall of the sprue body is in threaded fit with the inner wall of the first through hole.

Further, the blocking body is a conical structural part, and the blocking cap is connected to the large end of the blocking body.

Further, the blocking cap is provided with anti-skidding threads.

Further, an anti-abrasion lantern ring is sleeved on the inner wall of the second through hole, and the anti-abrasion lantern ring extends along the axial direction of the second through hole.

Furthermore, the silicon rubber umbrella skirt assembly comprises a plurality of silicon rubber umbrella skirts and guide rods, each silicon rubber umbrella skirt is uniformly arranged on each guide rod at intervals, and one end of each guide rod is connected with the wire clamping groove.

Further, the silicon rubber umbrella skirt assembly further comprises a locking piece used for clamping the bridge, and the locking piece is detachably mounted at the other end of the guide rod.

Further, the locking piece comprises a locking bolt and a locking nut, the locking bolt is assembled with the guide rod in a threaded mode, and the locking nut is sleeved on the locking bolt.

Furthermore, two limiting rings are sleeved on the guide rod, and each silicon rubber umbrella skirt is arranged between the two limiting rings.

Furthermore, the outer wall of the wire clamping groove is provided with a groove, one end of the guide rod is provided with a boss, the boss is arranged along the axial direction of the guide rod, and the boss is inserted into the groove.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

when the linear insulator provided by the embodiment of the utility model is used for fixing a cable, the wire clamping groove and the blocking block are sleeved on the cable through the respective through grooves; then, the outer wall of the blocking block is matched with the inner wall of the first through hole through threads, so that the blocking block can be assembled into the first through hole in a screwing mode, when the blocking block is assembled in place in the first through hole, the two through grooves are staggered, namely the two through grooves are not communicated with each other, a cable cannot be separated from the first through hole and the second through hole through the through grooves, and the cable is clamped in the linear insulator; and finally, fixing the silicon rubber umbrella skirt component on a tower cross arm of the bridge frame, so that the cable can be supported and insulated against the ground. That is to say, twist the assembly to the wire clamping groove through twisting the sprue, can realize the fixed to the cable conductor fast, improved the fixed efficiency of cable conductor greatly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a linear insulator according to an embodiment of the present invention;

fig. 2 is an assembly schematic view of a linear insulator according to an embodiment of the present invention;

fig. 3 is a top view of a wire clamping groove provided by an embodiment of the present invention;

fig. 4 is a top view of a block provided by an embodiment of the present invention;

fig. 5 is a side view of a closure provided by an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. a wire clamping groove; 11. a first through hole; 12. a groove; 13. an internal thread; 2. a silicone rubber shed assembly; 21. a silicon rubber umbrella skirt; 22. a guide bar; 221. a limiting ring; 222. a boss; 23. a locking member; 231. locking the bolt; 232. a lock nut; 24. an annular boss; 3. blocking; 31. a second through hole; 311. an anti-wear collar; 32. blocking the body; 33. a plugging cap; 34. an external thread; 110. a through groove; 120. a through groove; 200. a bridge frame; 300. and (3) a cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model provides a linear insulator, as shown in fig. 1, this linear insulator includes wire clamping groove 1 and silicon rubber full skirt subassembly 2, wire clamping groove 1 fixed mounting is on silicon rubber full skirt subassembly 2, and linear insulator still includes sprue 3, is provided with the first through-hole 11 that is used for interlude cable conductor 300 in the wire clamping groove 1, is provided with the second through-hole 31 that is used for interlude cable conductor 300 in the sprue 3.

Fig. 2 is an assembly schematic diagram of a linear insulator, with reference to fig. 2, through grooves are provided on the side walls of the wire clamping groove 1 and the blocking piece 3, the through grooves 110 on the wire clamping groove 1 run through the two ends of the side wall of the wire clamping groove 1 (see fig. 3), and the through grooves 110 of the wire clamping groove 1 are communicated with the first through holes 11, the through grooves 120 on the blocking piece 3 also run through the two ends of the side wall of the blocking piece 3 (see fig. 4), and the through grooves 120 of the blocking piece 3 are communicated with the second through holes 31, and the outer wall of the blocking piece 3 is in threaded fit with the inner wall of.

It should be noted that the width d of the through

slots

110 and 120 may be the same, so as to further facilitate the insertion of the cable 300.

Referring to fig. 1 again, in the present embodiment, the blocking piece 3 includes a blocking body 32 and a blocking cap 33, the blocking cap 33 is coaxially connected to one end of the blocking body 32, the outer edge of the blocking cap 33 protrudes out of the outer wall of the blocking body 32, and the outer wall of the blocking body 32 is in threaded fit with the inner wall of the first through hole 11.

In the above embodiment, the assembling of the plugging block 3 and the wire clamping groove 1 is realized through the plugging body 32, and the plugging cap 33 is not only convenient to hold, but also plays a limiting role in the plugging process of the plugging body 32.

Illustratively, the block 32 and the block cap 33 may be both metal structural members to ensure the reliability of the block 3. Moreover, the block body 32 and the block cap 33 can be connected in an integrated manner, i.e. the block 3 is an integrated structural member. In other embodiments, the blocking body 32 and the blocking cap 33 may be welded together, but the present invention is not limited thereto.

In addition, the wire clamping groove 1 can also be a metal structural part correspondingly, so that the wire clamping groove is favorably matched with the blocking block 3 made of metal materials, and the assembling reliability between the wire clamping groove 1 and the blocking block 3 is improved.

Optionally, an inner thread 13 is provided on the inner wall of the first through hole 11, an outer thread 34 is provided on the outer wall of the blocking piece 3, and the wire clamping groove 1 and the blocking piece 3 are connected through the inner thread 13 and the outer thread 34. When the connection of the wire clamping groove 1 and the plugging block 3 is needed to be realized, the wire clamping groove 1 and the plugging block 3 can be screwed up and connected, when the disassembly of the wire clamping groove 1 and the plugging block 3 is needed to be realized, the wire clamping groove 1 and the plugging block 3 can be unscrewed and disassembled, and finally, the connection fixation of the silicon rubber shed assembly 2 to the bridge frame 200 is released, so that the repeated use of the linear insulator can be realized.

Illustratively, the block body 32 is a tapered structure and the block cap 33 is attached to the large end of the block body 32.

The large end of the blocking body 32 is a large-diameter end (right end in fig. 1), the other end of the blocking body 32 opposite to the large end is a small end of the blocking body 32, and the small end of the blocking body 32 is a small-diameter end (left end in fig. 1).

In the above embodiment, the plug body 32 is designed as a conical structural member, which can facilitate the insertion of the plug body 32 into the first through hole 11.

Fig. 5 is a side view of the block provided by the embodiment of the present invention, as shown in fig. 5, the block cap 33 may be an annular structural member, and the block cap 33 and the block body 32 are coaxially connected together.

Optionally, the outer edge of the blanking cap 33 is provided with a non-slip thread.

In the above embodiment, the anti-slip thread is convenient for an operator to hold the block 3, thereby facilitating the disassembly and assembly of the block 3.

Optionally, an anti-wear collar 311 is sleeved on an inner wall of the second through hole 31, and the anti-wear collar 311 extends along an axial direction of the second through hole 31.

In the above embodiment, the anti-wear collar 311 can prevent the cable 300 from being damaged by friction in the second through hole 31.

Alternatively, the wear collar 311 may be a nylon collar structure. In other embodiments, the anti-wear collar 311 may also be a hard rubber collar structure, which is not limited by the present invention.

With continued reference to fig. 1, in the present embodiment, the silicone rubber shed assembly 2 includes a plurality of silicone rubber sheds 21 and guide rods 22, each silicone rubber shed 21 is uniformly arranged on the guide rod 22 at intervals, one end of the guide rod 22 is connected to the wire clamping groove 1, and the other end of the guide rod 22 is connected to the bridge 200.

In the above embodiment, the silicone rubber shed assembly 2 can insulate the cable lines 300 from the ground.

Illustratively, a plurality of silicon rubber sheds 21 are uniformly arranged on the guide rod 22 at intervals, and the silicon rubber sheds 21 have insulation, so that the cable line 300 is insulated from the ground.

Further, the silicon rubber shed assembly 2 further comprises a locking member 23 for clamping the bridge 200, and the locking member 23 is detachably mounted at the other end of the guide rod 22.

In the above embodiment, the locking member 23 facilitates the detachment and installation of the linear insulator, so that the linear insulator can be recycled.

Illustratively, the other end of the guide bar 22 is provided with an annular boss 24 (see fig. 2), and when the locker 23 is mounted on the other end of the guide bar 22, the bridge 200 is sandwiched between the locker 23 and the annular boss 24, thereby clamping the bridge 200 by the locker 23 and the annular boss 24.

Preferably, the locking member 23 comprises a locking bolt 231 and a locking nut 232 for abutting against the bridge 200, the locking bolt 231 is screwed with the guide rod 22, and the locking nut 232 is sleeved on the locking bolt 231.

In the above embodiment, the locking and fixing of the linear insulator on the bridge frame 200 are facilitated by the locking bolt 231 and the locking nut 232.

Illustratively, the lower end of the lock bolt 231 is provided with a lock nut 232, and the upper end of the lock bolt 231 is in threaded connection with the annular boss 24 on the guide rod 22, so that the bridge frame 200 can be clamped through the lock nut 232 and the annular boss 24.

Preferably, the lock bolt 231 and the lock nut 232 are metal structural members.

Furthermore, two limiting rings 221 are sleeved on the guide rod 22, and each silicon rubber umbrella skirt 21 is arranged between the two limiting rings 221.

In the above embodiment, the stopper ring 221 functions to stop the silicone rubber shed 21.

Further, the outer wall of the wire clamping groove 1 is provided with a groove 12, one end of the guide rod 22 is provided with a boss 222, the boss 222 is arranged along the axial direction of the guide rod 22, and the boss 222 is inserted into the groove 12.

In the above embodiment, the wire clamping groove 1 is connected with the silicon rubber shed assembly 2 through the groove 12 and the boss 222, so that the wire clamping groove 1 and the silicon rubber shed assembly 2 can be conveniently disassembled and assembled, and the direction of the first through hole 11 can be controlled when the wire clamping groove 1 is connected with the silicon rubber shed assembly 2, thereby facilitating the insertion of the cable 300.

Illustratively, the boss 222 is an interference fit with the recess 12.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A linear insulator comprises a wire clamping groove (1) and a silicon rubber shed component (2), wherein the wire clamping groove (1) is fixedly arranged on the silicon rubber shed component (2), and the linear insulator is characterized by further comprising a blocking block (3);

be provided with first through-hole (11) that is used for interlude cable conductor (300) in wire clamping groove (1), be provided with second through-hole (31) that is used for interlude cable conductor (300) in sprue (3), wire clamping groove (1) with all be provided with logical groove on the lateral wall of sprue (3), logical groove (110) on wire clamping groove (1) run through the lateral wall both ends of wire clamping groove (1), just wire clamping groove (1) lead to groove (110) with first through-hole (11) intercommunication, logical groove (120) on sprue (3) run through the lateral wall both ends of sprue (3), just logical groove (120) of sprue (3) with second through-hole (31) intercommunication, the outer wall of sprue (3) with the inner wall screw-thread fit of first through-hole (11).

2. The linear insulator according to claim 1, characterized in that the block (3) comprises a block body (32) and a block cap (33), the block cap (33) is coaxially connected to one end of the block body (32), and the outer edge of the block cap (33) protrudes from the outer wall of the block body (32), and the outer wall of the block body (32) is in threaded engagement with the inner wall of the first through hole (11).

3. The linear insulator according to claim 2, characterised in that the blocking body (32) is a conical structure and the blocking cap (33) is attached to the large end of the blocking body (32).

4. A linear insulator according to claim 3, characterised in that the blanking cap (33) is provided with a non-slip thread.

5. The linear insulator according to claim 1, wherein an anti-wear collar (311) is sleeved on the inner wall of the second through hole (31), and the anti-wear collar (311) extends along the axial direction of the second through hole (31).

6. The linear insulator according to any one of claims 1 to 5, wherein the silicone rubber shed assembly (2) comprises a plurality of silicone rubber sheds (21) and guide rods (22), each silicone rubber shed (21) is uniformly arranged on the guide rod (22) at intervals, and one end of each guide rod (22) is connected with the wire clamping groove (1).

7. The linear insulator according to claim 6, wherein the silicone rubber shed assembly (2) further comprises a locking member (23) for clamping the bridge (200), the locking member (23) being detachably mounted at the other end of the guide rod (22).

8. The linear insulator according to claim 7, characterized in that the locking member (23) comprises a locking bolt (231) and a locking nut (232), the locking bolt (231) and the guide rod (22) are assembled together by screw threads, and the locking nut (232) is sleeved on the locking bolt (231).

9. The linear insulator according to claim 6, wherein two stop collars (221) are sleeved on the guide rod (22), and each silicone rubber shed (21) is arranged between the two stop collars (221).

10. The linear insulator according to claim 6, characterized in that the outer wall of the wire clamping groove (1) is provided with a groove (12), one end of the guide rod (22) is provided with a boss (222), the boss (222) is arranged along the axial direction of the guide rod (22), and the boss (222) is inserted into the groove (12).