CN221263303U - Bolt type strain clamp suitable for insulating overhead line - Google Patents

Abstract

The utility model relates to the technical field of strain clamps, and discloses a bolt type strain clamp suitable for an insulated overhead line. According to the utility model, the trapezoidal block positioned in the strain clamp is pulled before the wire to be fixed passes through the inside from the right side of the strain clamp, so that enough space is reserved in the strain clamp, the wire to be fixed can pass through the inside of the strain clamp under the condition of loosening the U-shaped bolt, and meanwhile, the trapezoidal block is loosened and can be matched with the tensile force of the spring arranged between the first connecting piece and the second connecting piece, and the trapezoidal block is pulled to fix the wire passing through, so that the continuous screwing of an operator and the time and labor consumption of nuts on the U-shaped bolt are avoided.

Description

Bolt type strain clamp suitable for insulating overhead line

Technical Field

The utility model relates to the technical field of strain clamps, in particular to a bolt type strain clamp suitable for an insulated overhead line.

Background

Currently, strain clamps are hardware used for fixing wires to bear the tension of the wires and hanging the wires to a strain string or a tower.

The strain clamps can be roughly divided into two types according to different structures and installation conditions, namely, the first type: the strain clamp bears all the tensile force of the wire or the lightning conductor, the grip strength of the clamp is not less than 90 of the rated tensile resistance of the installed wire or the lightning conductor, but the clamp is not used as a conductor, the clamp can be detached after the wire is installed, the clamp is additionally used, and the clamp is provided with a bolt type strain clamp, a wedge type strain clamp and the like, and the second type is that: strain clamps are also used as electrical conductors in addition to being subjected to the full tension of the wire or the lightning conductor, and therefore, once installed, such clamps cannot be removed again, also known as dead clamps.

However, no matter which kind of installation is carried out, the bolt type strain clamp is installed, the nuts on the bolt type strain clamp are required to be loosened firstly, the wires are penetrated, and finally, the operation time of operators is greatly increased, the risk of high-altitude operation of the operators is increased, and therefore, a new technical scheme is required to be designed to solve the problem, and the bolt type strain clamp which is locked on the wires can be quickly achieved without screwing the nuts.

Disclosure of utility model

The utility model aims to provide a bolt type strain clamp suitable for an insulated overhead line, and solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bolt type strain clamp comprises a strain clamp, limiting sliding grooves are formed in two sides of the strain clamp and correspond to each other, limiting sliding blocks are movably connected in the two groups of limiting sliding grooves, trapezoid blocks are welded at the tops of the limiting sliding blocks, and the trapezoid blocks are movably connected with the inside of the strain clamp;

The two sides of the strain clamp are welded with first connecting pieces, the two sides of the limiting slide block are welded with second connecting pieces, and the two corresponding groups of first connecting pieces and second connecting pieces are detachably mounted with the two sides of the spring respectively;

and the bottom side of the strain clamp is welded with a hanging ring.

As an alternative scheme of the technical scheme of the application, three groups of equally distributed lock holes are respectively formed on two sides of the strain clamp, and each group of lock holes is internally inserted with a U-shaped bolt which can fix the lead.

As an alternative scheme of the technical scheme of the application, the bottom side of each group of U-shaped bolts is sleeved with a gasket, and nuts are screwed and connected to the bottom side of each group of U-shaped bolts, so that the U-shaped bolts can be locked.

As an alternative scheme of the technical scheme of the application, two sides of each group of lock holes are welded with the stop blocks, and the two corresponding groups of stop blocks are respectively positioned at two sides of the corresponding U-shaped bolts, so that the U-shaped bolts can be limited.

As an alternative of the technical scheme of the application, a plurality of groups of equidistant anti-slip grooves are formed on one side of the trapezoid block, so that the friction force between the lead and the trapezoid block is increased.

As an alternative scheme of the technical scheme of the application, the top of the strain clamp is provided with the jack, and the plug pin is movably inserted in the jack, so that the strain clamp can be positioned on the tower.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the technical scheme, the trapezoidal blocks positioned in the strain clamp are pulled before the wires to be fixed pass through the inside from the right side of the strain clamp, so that enough space is reserved in the strain clamp, the wires to be fixed can pass through the inside of the strain clamp under the condition of loosening the U-shaped bolt, meanwhile, the trapezoidal blocks are loosened and can be matched with the tensile force of the spring arranged between the first connecting piece and the second connecting piece, and the trapezoidal blocks are pulled to fix the wires passing through, so that the operator is prevented from continuously screwing nuts on the U-shaped bolt, and time and labor are wasted.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the overall structure of a bolt-type strain clamp suitable for insulating overhead lines according to the present utility model;

Fig. 2 is a schematic diagram of a trapezoid block structure of a bolt-type strain clamp suitable for an insulated overhead line.

In the figure: 1. strain clamp; 11. limiting sliding grooves; 12. a hanging ring; 2. a limit sliding block; 21. a trapezoid block; 211. an anti-skid groove; 22. a first connector; 23. a second connector; 24. a spring; 3. a lock hole; 31. u-shaped bolts; 32. a gasket; 33. a nut; 4. a stop block; 5. a jack; 51. a bolt.

Detailed Description

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a bolt-type strain clamp suitable for insulating overhead line, includes strain clamp 1, and spacing spout 11 has all been seted up to strain clamp 1 both sides, and corresponds each other, and the swing joint has spacing slider 2 in two sets of spacing spouts 11, and the welding of spacing slider 2 top has trapezoidal piece 21, trapezoidal piece 21 and the inside swing joint of strain clamp 1;

The two sides of the strain clamp 1 are welded with first connecting pieces 22, the two sides of the limit sliding block 2 are welded with second connecting pieces 23, and the two corresponding groups of first connecting pieces 22 and second connecting pieces 23 are respectively detachably mounted with the two sides of the spring 24;

The bottom side of the strain clamp 1 is welded with a hanging ring 12;

the top of the strain clamp 1 is provided with a jack 5, and a bolt 51 is movably inserted in the jack 5.

In this kind of technical scheme, through before passing inside with the wire that needs to fix from strain clamp 1 right side, pulling first is located the inside trapezoidal piece 21 of strain clamp 1, make the inside sufficient space of reserving of strain clamp 1, can be under the condition of not hard up U type bolt 31, inside the wire that will need fix passes strain clamp 1, not hard up trapezoidal piece 21 simultaneously, can cooperate first connecting piece 22, the spring 24 pulling force of installing between the second connecting piece 23, the pulling trapezoidal piece 21 is fixed to passing the wire, avoid the operation workman to constantly twist with the nut 33 on the U type bolt 31 waste time and energy.

In some technical schemes, three groups of equally spaced lock holes 3 are formed in two sides of the strain clamp 1, U-shaped bolts 31 are inserted into each group of lock holes 3, gaskets 32 are sleeved on the bottom sides of each group of U-shaped bolts 31, nuts 33 are screwed and connected on the bottom sides of each group of U-shaped bolts 31, stop blocks 4 are welded on two sides of each group of lock holes 3, and two corresponding stop blocks 4 are respectively located on two sides of each corresponding U-shaped bolt 31.

In this technical solution, the through wire can be locked by screwing the nuts 33 on both sides of the U-bolt 31, so as to avoid slipping of the wire.

In some embodiments, a plurality of groups of equidistant anti-slip grooves 211 are formed on one side of the trapezoid block 21.

In the technical scheme, the friction force of the wires inside the strain clamp 1 is effectively increased through the plurality of groups of anti-slip grooves 211 on the surface of the trapezoid block 21, so that the firmness and stability of the wires are greatly improved.

When the bolt type strain clamp suitable for the insulated overhead line is used, it is required to be explained that the bolt type strain clamp suitable for the insulated overhead line is provided, all parts are universal standard parts or parts known to a person skilled in the art, and the structure and the principle of the bolt type strain clamp are known to the person skilled in the art through technical manuals or are known through routine experiment methods.

When the tension clamp is used, the trapezoidal block 21 positioned in the tension clamp 1 is pulled before a wire to be fixed passes through the inside from the right side of the tension clamp 1, so that enough space is reserved in the tension clamp 1, the wire to be fixed passes through the inside of the tension clamp 1 under the condition of loosening the U-shaped bolt 31, meanwhile, the trapezoidal block 21 is loosened, the tension of the spring 24 installed between the first connecting piece 22 and the second connecting piece 23 can be matched, the trapezoidal block 21 is pulled to fix the passing wire, the continuous screwing of an operator and the time and labor consumption of the nut 33 on the U-shaped bolt 31 are avoided, and finally the wire is loosened after being installed, so that the nut on the U-shaped bolt 31 can be screwed.

Claims (6)

1. The utility model provides a bolt type strain clamp suitable for insulating overhead line, includes strain clamp (1), its characterized in that: limiting sliding grooves (11) are formed in two sides of the strain clamp (1) and correspond to each other, limiting sliding blocks (2) are movably connected in the two groups of limiting sliding grooves (11), trapezoidal blocks (21) are welded at the tops of the limiting sliding blocks (2), and the trapezoidal blocks (21) are movably connected with the inside of the strain clamp (1);

The two sides of the strain clamp (1) are welded with first connecting pieces (22), the two sides of the limiting slide block (2) are welded with second connecting pieces (23), and the two corresponding groups of the first connecting pieces (22) and the second connecting pieces (23) are detachably mounted with the two sides of the spring (24) respectively;

And a hanging ring (12) is welded on the bottom side of the strain clamp (1).

2. A bolt-type strain clamp for insulated overhead lines according to claim 1, wherein: three groups of equally distributed lock holes (3) are formed in two sides of the strain clamp (1), and U-shaped bolts (31) are inserted into each group of lock holes (3).

3. A bolt-type strain clamp for insulated overhead lines according to claim 2, wherein: and gaskets (32) are sleeved on the bottom sides of the U-shaped bolts (31), and nuts (33) are screwed and connected on the bottom sides of the U-shaped bolts (31).

4. A bolt-type strain clamp for insulated overhead lines according to claim 2, wherein: each group of locking holes (3) are welded with stop blocks (4) on two sides, and the two corresponding groups of stop blocks (4) are respectively positioned on two sides of the corresponding U-shaped bolts (31).

5. A bolt-type strain clamp for insulated overhead lines according to claim 1, wherein: a plurality of groups of anti-skid grooves (211) which are distributed at equal intervals are formed in one side of the trapezoid block (21).

6. A bolt-type strain clamp for insulated overhead lines according to claim 1, wherein: the top of the strain clamp (1) is provided with a jack (5), and a bolt (51) is movably inserted into the jack (5).