CN213692972U

CN213692972U - Insulating wire clamp for indirect live working

Info

Publication number: CN213692972U
Application number: CN202022107026.XU
Authority: CN
Inventors: 沈媛
Original assignee: Zhejiang Lanwang Electric Co ltd
Current assignee: Zhejiang Lanwang Electric Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-13
Anticipated expiration: 2030-09-23

Abstract

The utility model provides an insulating wire clamp for indirect live working, belonging to the technical field of insulating wire clamps, which solves the problem that the existing wire clamp needs to insert and fix a cable first and is difficult to install; the wire clamp needs to be manually fixed during fixing, so that the danger is high; failure of the set screw can create a dangerous problem. The center position of the top of the wire clamping arm a is hinged with a wire clamping arm b; two groups of limiting clamping blocks are elastically connected inside the wire clamping arm b; two ends of the wire clamping arm a and the wire clamping arm b are respectively and fixedly connected with a group of wire clamping grooves; and the bottoms of the wire clamping arm a and the wire clamping arm b are fixedly connected with a group of wire clamping bolts. The cable is firstly inserted and then clamped by adjusting the cable clamp bolt, so that the operation steps are reduced, the installation is more convenient, and no additional tool is needed for manually rotating the cable clamp bolt for locking; meanwhile, the limiting clamping block is arranged for self-locking, so that the wire clamp can be hung and then clamped, and the safety is improved without continuous holding.

Description

Insulating wire clamp for indirect live working

Technical Field

The utility model belongs to the technical field of insulating fastener, more specifically say, in particular to insulating fastener that indirect live working used.

Background

With the progress of times and the development of the country, in order to balance energy resources, China implements development strategies such as western and east power transmission, and with the improvement of power transmission capacity, cable transmission also comes with new development, and an insulating wire clamp is a connecting device for connecting ends of cables; the cable clamp is a device which is mainly used for inserting a branch cable into a branch cap and determining the branch position of a main cable, then a torque nut on the cable clamp is screwed up by a socket wrench, and the cable is fixed by folding the cable clamp along with the screwing of the torque nut.

Based on the above, the existing insulating wire clamp mostly adopts an integrated structure, a cable needs to be inserted and fixed first, and then the wire clamp is hung on a device such as an electric pole, and the wire clamp has a smaller caliber and is more difficult to install; the existing wire clamp is compressed and fixed by screws and the like, a special tool is needed for fixing, and an operator usually needs to fix the wire clamp manually during fixing, so that the danger is high; meanwhile, the existing wire clamp is only fixed by adopting a plurality of groups of screws, and the fixed screws are possibly dangerous when failing.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an insulating wire clamp for indirect live working is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an insulating wire clamp for indirect live working, which solves the problems that the existing insulating wire clamp adopts an integrated structure, the wire clamp needs to be inserted and fixed firstly, and then the wire clamp is hung on devices such as an electric pole, and the diameter of the wire clamp is smaller and the installation is more difficult; the existing wire clamp is compressed and fixed by screws and the like, a special tool is needed for fixing, and an operator usually needs to fix the wire clamp manually during fixing, so that the danger is high; meanwhile, the existing wire clamp is only fixed by adopting a plurality of groups of screws, and the failure of the fixing screws can cause dangerous problems.

The utility model relates to an indirect live working uses insulating fastener's purpose and efficiency is reached by following specific technological means:

an insulating wire clamp for indirect live working comprises a wire clamp arm a; the center of the top of the wire clamping arm a is hinged with a wire clamping arm b; two groups of limiting clamping blocks are elastically connected inside the wire clamping arm b; two ends of the wire clamping arm a and two ends of the wire clamping arm b are respectively and fixedly connected with a group of wire clamping grooves; and the bottoms of the wire clamping arm a and the wire clamping arm b are fixedly connected with a group of wire clamping bolts.

Furthermore, the wire clamping arm a and the wire clamping arm b are made of insulating materials, the center of the wire clamping arm a and the center of the wire clamping arm b are hinged to form a shear type structure, the bottom end of the front portion of the wire clamping arm a is hinged to a group of clamping nuts, and the bottom end of the front portion of the wire clamping arm b is hinged to a clamping ring.

Furthermore, the wire clamp bolt is made of insulating materials, the left end of the wire clamp bolt is rotatably connected in the clamping ring, the middle part of the wire clamp bolt is provided with an adjusting thread, and the adjusting thread is in threaded engagement with the clamping nut to form a thread transmission mechanism.

Further, the inboard fixedly connected with two sets of semi-annular spacing draw-in grooves of line arm lock a, two sets of spacing fixture block tops that correspond spacing draw-in groove respectively fixedly connected with a set of spacing spring, inside spacing spring elastic connection line arm lock b, spacing fixture block bottom is provided with a set of voussoir of fixedly connected with, the voussoir and the spacing draw-in groove joint of spacing fixture block bottom.

Furthermore, a group of wire clamp grooves are fixedly connected to two ends of each of the wire clamp arm a and the wire clamp arm b, openings are formed in the wire clamp grooves, a group of L-shaped wire clamp auxiliary blocks are fixedly connected to the inner side of each group of wire clamp grooves, and cables needing to be clamped are fixedly connected to the openings of the wire clamp grooves.

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

the angle of the wire clamp is adjustable by using the two groups of wire clamp arms connected by the hinges, the wire can be clamped by adjusting the wire clamp bolt after the wire is inserted, the operation steps are reduced, the installation is more convenient, the angle change of the wire clamp arms is locked by manually and directly rotating the wire clamp bolt, and no additional tool is needed; meanwhile, the limiting clamping block is arranged for assisting in fixing, the limiting clamping block is self-locked in the limiting clamping groove, double protection is achieved, safety is improved, the wire clamp can be hung firstly and then clamped, the wire clamp does not need to be continuously held, and safety can be improved during hot-line work.

Drawings

Fig. 1 is a schematic diagram of the main body axial structure of the present invention.

Fig. 2 is a schematic diagram of the main body axial cross-section structure of the present invention.

Fig. 3 is a schematic view of the installation axis side structure of the wire clamp arm a and the wire clamp arm b according to the present invention.

Fig. 4 is the schematic diagram of the shaft side structure of the limiting clamping block of the present invention.

Fig. 5 is the schematic view of the axial section structure of the limiting clamping block of the present invention.

Fig. 6 is the structural schematic diagram of the clamp bolt shaft side of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a wire clamp arm a; 101. a limiting clamping groove; 102. clamping the nut; 2. a wire clamp arm b; 201. a clamping ring; 3. a limiting clamping block; 301. a limiting spring; 4. a wire clamp slot; 401. a wire clamp auxiliary block; 5. a clamp bolt; 501. adjusting the screw thread.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides an insulating wire clamp for indirect live working, which comprises a wire clamp arm a 1; the center position of the top of the wire clamping arm a1 is hinged with a wire clamping arm b 2; two groups of limiting clamping blocks 3 are elastically connected inside the wire clamping arm b 2; two ends of the wire clamping arm a1 and the wire clamping arm b2 are respectively and fixedly connected with a group of wire clamping grooves 4; a group of wire clamp bolts 5 are fixedly connected to the bottoms of the wire clamp arms a1 and b 2.

The wire clamp arm a1 and the wire clamp arm b2 are made of insulating materials, the wire clamp arm a1 and the center of the wire clamp arm b2 are hinged to form a shear-type structure, the bottom end of the front portion of the wire clamp arm a1 is hinged to a group of clamping nuts 102, the bottom end of the front portion of the wire clamp arm b2 is hinged to a clamping ring 201, when the wire clamp arm a1 is used, the wire clamp arm b2 is connected with the wire clamp arm a1 and the wire clamp arm b2 through a hinge shaft in the center, the clamping nuts 102 and the clamping ring 201 are located at the same horizontal position, the clamping nuts 102 and the clamping ring 201 can rotate freely in the wire clamp arm a1 and the wire clamp arm b2, and the wire clamp arm a1 and the wire clamp arm b2 are made of asbestos, resin and the.

The clamp bolt 5 is made of insulating materials, the left end of the clamp bolt 5 is rotatably connected in the clamping ring 201, the middle of the clamp bolt 5 is provided with an adjusting thread 501, the adjusting thread 501 is in threaded engagement with the clamping nut 102 to form a thread transmission mechanism, when the clamp bolt is used, the clamping nut 102 is connected in series with the clamping ring 201 through the clamp bolt 5, the opening of the clamping nut 102 and the opening of the clamping ring 201 are kept in the same direction, an operator rotates the clamp bolt 5, the adjusting thread 501 drives the clamping nut 102 to move through the thread transmission mechanism, the distance between the clamping nut 102 and the clamping ring 201 is changed, and therefore the angle of a shearing fork of a wire clamping arm a1 and a wire clamping arm b2 is changed.

Wherein, the inner side of the wire clamp arm a1 is fixedly connected with two groups of semi-annular limiting clamping grooves 101, the tops of two groups of limiting clamping blocks 3 corresponding to the limiting clamping grooves 101 are respectively and fixedly connected with a group of limiting springs 301, the limiting springs 301 are elastically connected inside the wire clamp arm b2, the bottoms of the limiting clamping blocks 3 are fixedly connected with a group of wedge blocks, the wedge blocks at the bottoms of the limiting clamping blocks 3 are clamped with the limiting clamping grooves 101, when in use, the wire clamp bolt 5 is rotated to change the angles of the wire clamp arm a1 and the wire clamp arm b2, the limiting clamping blocks 3 inside the wire clamp arm b2 are synchronously rotated to enable the limiting clamping blocks 3 and the limiting clamping grooves 101 inside the wire clamp arm a1 to move relatively, the limiting clamping blocks 3 are clamped with the limiting clamping grooves 101 under the elastic influence of the top limiting springs 301, the self-locking effect is achieved, the safety is improved, when the, the angle between wire clamp arm a1 and wire clamp arm b2 was changed.

The wire clamp groove 4 is fixedly connected to two ends of the wire clamp arm a1 and the wire clamp arm b2, an opening is formed in the wire clamp groove 4, a group of L-shaped wire clamp auxiliary blocks 401 is fixedly connected to the inner side of each group of wire clamp grooves 4, a cable needing to be clamped is fixedly connected to the inside of the opening of the wire clamp groove 4, when the wire clamp is used, the wire passes through the opening of the wire clamp groove 4 on one side through an operator and then passes through the opening of the other side of the wire clamp groove 4 in a winding mode, the opening angle of the wire clamp groove 4 is changed and is clamped with the cable through changing the angles of the wire clamp arm a1 and the wire clamp arm b2, meanwhile, the wire clamp auxiliary blocks 401 press the passing cable to prevent the cable from loosening and falling off, the cable is pressed tightly by changing the angle of the wire clamp groove 4 and the wire clamp.

The specific use mode and function of the embodiment are as follows:

an operator passes a cable through an opening of a cable clamp groove 4 on one side and then passes through an opening on the other side of the cable clamp groove 4 in a winding manner, the cable is placed in the opening of the cable clamp groove 4 in a surrounding manner, a cable clamp bolt 5 is rotated to enable an adjusting screw 501 to drive a clamping nut 102 to move through a screw transmission mechanism, the distance between the clamping nut 102 and a clamping ring 201 is changed, the angle of a fork of a cable clamping arm a1 and a cable clamping arm b2 is changed, the angle of the opening of the cable clamp groove 4 is changed to be clamped with the cable through changing the angles of the cable clamping arm a1 and the cable clamping arm b2, meanwhile, a cable clamp auxiliary block 401 presses the passing cable, the cable is fixed in the cable clamp groove 4 through changing the angle of the cable clamp groove 4 and the cable clamp auxiliary block 401, meanwhile, a limiting clamping block 3 in the cable clamping arm b2 synchronously rotates, and the limiting clamping block 3 in the cable clamping arm a1 moves, the limiting fixture block 3 is clamped in the limiting fixture groove 101 for self-locking under the elastic influence of the limiting spring 301, so that double protection is formed and the safety is improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an insulating fastener that indirect live working used which characterized in that: the insulating wire clamp for indirect live working comprises a wire clamp arm a (1); the center of the top of the wire clamping arm a (1) is hinged with a wire clamping arm b (2); two groups of limiting clamping blocks (3) are elastically connected inside the wire clamping arm b (2); two ends of the wire clamping arm a (1) and two ends of the wire clamping arm b (2) are respectively and fixedly connected with a group of wire clamping grooves (4); and the bottoms of the wire clamp arm a (1) and the wire clamp arm b (2) are fixedly connected with a group of wire clamp bolts (5).

2. The insulating clamp for indirect hot-line work of claim 1, wherein: the wire clamp arm a (1) and the wire clamp arm b (2) are made of insulating materials, the wire clamp arm a (1) and the center of the wire clamp arm b (2) are hinged to form a scissor structure, the front bottom end of the wire clamp arm a (1) is hinged to a group of clamping nuts (102), and the front bottom end of the wire clamp arm b (2) is hinged to a clamping ring (201).

3. The insulating clamp for indirect hot-line work of claim 1, wherein: the clamp bolt (5) is made of insulating materials, the left end of the clamp bolt (5) is rotatably connected into the clamping ring (201), the middle of the clamp bolt (5) is provided with an adjusting thread (501), and the adjusting thread (501) is in threaded engagement with the clamping nut (102) to form a thread transmission mechanism.

4. The insulating clamp for indirect hot-line work of claim 1, wherein: the wire clamp arm a (1) is inboard fixedly connected with two sets of semi-annular spacing draw-in grooves (101), and two sets of spacing fixture block (3) top that correspond spacing draw-in groove (101) respectively fixedly connected with a set of spacing spring (301), inside spacing spring (301) elastic connection wire clamp arm b (2), spacing fixture block (3) bottom is provided with a set of voussoir of fixedly connected with, the voussoir and the spacing draw-in groove (101) joint of spacing fixture block (3) bottom.

5. The insulating clamp for indirect hot-line work of claim 1, wherein: the wire clamp comprises a wire clamp arm a (1) and a wire clamp arm b (2), wherein two ends of the wire clamp arm a (4) are fixedly connected with a group of wire clamp grooves (4), holes are formed in the wire clamp grooves (4), a group of L-shaped wire clamp auxiliary blocks (401) are fixedly connected to the inner side of each group of wire clamp grooves (4), and cables needing to be clamped are fixedly connected in the holes of the wire clamp grooves (4).