CN218867880U - Wire clamp fixture - Google Patents

Abstract

The application discloses a wire clamp which comprises a clamp main body, a holding rod assembly, a control assembly and a clamping assembly, wherein the holding rod assembly, the control assembly and the clamping assembly are mounted on the clamp main body; the holding rod assembly is fixed relative to the clamp main body; the control assembly can rotate relative to the clamp main body and is also connected with a connecting piece; the clamping assembly can slide relative to the clamp main body and is also connected with the connecting piece; when the control assembly rotates, the connecting piece drives the clamping assembly to slide, so that the wire clamp is clamped between the clamping assembly and the clamp main body. When the wire clamp fixture is used, the special-shaped parallel groove wire clamp can be easily fixed in the wire clamp fixture only by pulling the control assembly by an operator, so that the operation time of the operator is reduced, the labor intensity is reduced, and the operation safety is improved.

Description

Wire clamp fixture

Technical Field

The application relates to the technical field of installation of cables or electric wires, in particular to a wire clamp.

Background

The ground potential working method is a working method in which a human body is at ground potential and an insulating tool is used to indirectly contact equipment. It is a main mode of live working and is also the basis of other working methods. The most characteristic of the ground potential operation method is that operators can operate around the live equipment.

The insulating rod operation method in 10 kV live working has the advantages of wide application range, small investment, no geographic environment limitation and the like, and is widely applied to live working in the power industry. However, the insulating rod is adopted for indirect operation, so that the operation is complex, and the requirements on physical strength of personnel and devices are high.

In the past, when the operating rod is used for lapping the lead in the indirect live working of a 10-kilovolt line insulating rod, no. 2 operators on the rod are needed to hang the special-shaped parallel groove wire clamp on an appointed live main line through the insulating wire clamp operating rod, no. 1 operator supports the lead, and then No. 1 and No. 2 operators are matched to fasten the wire clamp screws so as to complete one-phase lapping work. The special-shaped parallel groove clamp is fixed on the insulating clamp operating rod head, the insulating clamp operating rod head clamps the special-shaped parallel groove clamp by manually rotating the operating rod for 5-10 circles by No. 2 operating personnel, and the operating personnel on the rod wears the three-layer glove manual rotating operating rod and carelessly tightens the clamp operating rod head slightly so that the special-shaped parallel groove clamp drops and has potential safety hazards to the operating personnel. When the lead is lapped under pure and safe conditions, 2 special-shaped parallel groove clamps are needed for lapping one lead, 6 special-shaped parallel groove clamps are needed for lapping the common fuse lead, and the number of the special-shaped parallel groove clamps for lapping the lead on two sides of the column switch reaches 12, so that the time consumption is long. The manual rotation of 6-12 operating rods for fixing the special-shaped parallel groove clamp takes longer time, which increases great labor intensity for operators.

Therefore, how to provide a wire clamp that solves the above technical problems is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a purpose provides a wire clamp anchor clamps, when using, only need the operation personnel pull control assembly just can easily fix heterotypic parallel groove clamp in this wire clamp anchor clamps, reduced operation personnel's activity duration, alleviateed intensity of labour, improved the security of operation.

In order to achieve the above object, the present application provides a wire clamp fixture, which comprises a fixture main body, and is installed on the fixture main body:

the holding rod assembly is fixed relative to the clamp main body;

the control assembly can rotate relative to the clamp main body and is also connected with a connecting piece; and

a clamping assembly slidable relative to the clamp body and further connected to the connector;

when the control assembly rotates, the clamping assembly is driven to slide through the connecting piece, so that the wire clamp is clamped between the clamping assembly and the clamp main body.

In some embodiments, the clamp body comprises:

the mounting seat is used for being rotationally connected with the control assembly and is in sliding connection with the clamping assembly; and

the fixed clamping piece is arranged on the mounting seat and used for clamping the wire clamp with the clamping assembly.

In some embodiments, the mount includes:

the first mounting base body is provided with a mounting cavity and a pivot, the clamping component is assembled in the mounting cavity in a sliding mode, and the control component is assembled on the pivot in a rotating mode; and

the second installation base body is provided with an installation rod, and the clamping assembly is further assembled on the installation rod in a sliding mode.

In some embodiments, the number of the mounting rods is a pair, the pair of the mounting rods is symmetrically arranged, the mounting cavities are located on a symmetrical plane of the pair of the mounting rods, and a line connecting axial positions of the pair of the mounting rods and the mounting cavities is triangular.

In some embodiments, the grip assembly comprises:

the connecting seat is fixedly connected with the clamp main body; and

the operating rod is installed on the connecting seat, and the length of the operating rod is adjustable.

In some embodiments, the grip assembly further comprises:

the concave tooth connecting plate is fixedly connected with the connecting seat;

the convex tooth connecting plate is fixedly connected with the operating rod; and

the connecting screw is connected with the concave tooth connecting plate and the convex tooth connecting plate, so that the concave tooth connecting plate and the convex tooth connecting plate can be locked after relatively rotating;

and the opposite surfaces of the concave tooth connecting plate and the convex tooth connecting plate are provided with matched teeth.

In some embodiments, the control assembly comprises:

the middle part of the connecting rod is rotationally connected with the clamp main body, and the first end of the connecting rod is rotationally connected with the connecting piece; and

and the pull ring is fixedly connected with the second end of the connecting rod.

In some embodiments, the clamping assembly comprises:

the movable seat is connected with the clamp main body in a sliding manner; and

the movable clamping piece is arranged on the movable seat and used for clamping the wire clamp with the clamp main body.

In some embodiments, the movable mount comprises:

the first movable base body is provided with a pull rod, and the pull rod is assembled in the installation cavity in a sliding manner; and

and the second movable base body is assembled on the mounting rod in a sliding manner.

In some embodiments, the clamping assembly further comprises a tension spring and an adjusting nut, and the pull rod penetrates through the first movable seat body;

the elastic spring is sleeved on the pull rod at one side of the first movable seat body facing the first installation seat body and is used for applying elastic force to the first movable seat body;

the adjusting nuts are connected with the pull rod on two sides of the first movable seat body and used for adjusting the relative position of the first movable seat body and the pull rod.

Compared with the background art, the wire clamp provided by the application mainly comprises a clamp main body, a holding rod assembly, a control assembly and a clamping assembly, wherein the holding rod assembly, the control assembly and the clamping assembly are arranged on the clamp main body; the holding rod component is fixed relative to the clamp main body; the control assembly can rotate relative to the clamp main body and is also connected with a connecting piece; the clamping assembly can slide relative to the clamp main body and is also connected with the connecting piece; when the control assembly rotates, the clamping assembly is driven to slide through the connecting piece, so that the wire clamp is clamped between the clamping assembly and the clamp main body.

In the use process of the wire clamp fixture, firstly, the No. 2 operator on the rod holds the holding rod assembly, and aligns the special-shaped parallel groove wire clamp in the wire clamp fixture; then, the operator No. 2 on the rod pulls the control assembly to enable the control assembly to rotate relative to the clamp main body to drive the connecting piece to move, and further drive the clamping assembly to slide relative to the clamp main body; the clamping assembly after movement will clamp the profiled parallel groove clamp together with the clamp body, i.e. the clamp will be fixed in the clamp. Therefore, when the wire clamp fixture is used, the special-shaped parallel groove wire clamp can be easily fixed in the wire clamp fixture only by pulling the control assembly by an operator, so that the operation time of the operator is reduced, the labor intensity is reduced, and the operation safety is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic front view of a wire clamp provided in an embodiment of the present application;

fig. 2 is a schematic top view of a wire clamp provided in an embodiment of the present application.

Wherein:

1-a main body of the clamp,

11-mounting seat, 12-fixed clamping piece,

111-the first installation seat body, 112-the second installation seat body,

1111-installation cavity, 1112-pivot, 1121-installation rod;

2-a holding rod component,

21-an operating rod, 22-a concave tooth connecting plate, 23-a convex tooth connecting plate, 24-a connecting screw and 25-a connecting seat;

3-a control component,

31-pull ring, 32-connecting rod;

4-a connector;

5-a clamping assembly,

51-movable seat, 52-elastic spring, 53-adjusting nut, 54-movable clamping piece, 55-pull rod,

511-a first movable seat body and 512-a second movable seat body.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic front structural view of the wire clamp provided in the embodiment of the present application, and fig. 2 is a schematic top structural view of the wire clamp provided in the embodiment of the present application.

In a first specific embodiment, the application provides a wire clamp fixture, which mainly comprises a fixture main body 1, a holding rod assembly 2, a control assembly 3, a connecting piece 4 and a clamping assembly 5, wherein the holding rod assembly 2, the control assembly 3 and the clamping assembly 5 are installed on the fixture main body 1, and the connecting piece 4 plays a role in connecting the control assembly 3 and the clamping assembly 5.

In this embodiment, the grip assembly 2 is fixed relative to the clamp body 1. The control assembly 3 is rotatable relative to the clamp body 1, the control assembly 3 being further connected to the connector 4. The clamping assembly 5 is slidable relative to the clamp body 1, the clamping assembly 5 further being connected to the connecting member 4.

When the control component 3 rotates, the clamping component 5 is driven to slide through the connecting piece 4, so that the wire clamp is clamped between the clamping component 5 and the clamp main body 1.

In the using process of the wire clamp fixture, firstly, the number 2 operator on the rod holds the holding rod assembly 2, and aligns the special-shaped parallel groove wire clamp in the wire clamp fixture; then, the operator 2 on the rod pulls the control component 3 to rotate the control component 3 relative to the clamp main body 1, so as to drive the connecting piece 4 to move, and further drive the clamping component 5 to slide relative to the clamp main body 1; the moved clamping assembly 5 will clamp the profiled parallel groove clamp together with the clamp body 1, i.e. fix the clamp in the clamp.

Therefore, in order to safely and reduce the labor intensity and reduce the operation time and overlap the lead by the indirect operation method of the 10 kV line insulating rod, the application provides the wire clamp; when the wire clamp fixture is used, the special-shaped parallel groove wire clamp can be easily fixed in the wire clamp fixture only by pulling the control assembly 3 by an operator, so that the operation time of the operator is reduced, the labor intensity is reduced, and the operation safety is improved.

In some embodiments, the clamp body 1 includes a mounting seat 11 and a fixing clip 12.

In this embodiment, the mounting seat 11 is connected and supported by the grip assembly 2, the fixing clip 12 is disposed on the mounting seat 11, the control assembly 3 is rotatably connected to the mounting seat 11, and the clamping assembly 5 is slidably connected to the fixing clip. When the clamp is used, the mounting seat 11 and the fixed clamping piece 12 are fixed, and the clamping component 5 moves under the drive of the control component 3 and the connecting piece 4, so that the clamp is clamped with the clamping component 5.

In some embodiments, the mounting seat 11 is composed of two parts, including a first mounting seat 111 and a second mounting seat 112, as shown in fig. 1, the first mounting seat 111 is located at the upper side, and the second mounting seat 112 is located at the lower side; the first mounting base 111 and the second mounting base 112 may be designed separately or formed integrally, and shall also belong to the scope of the present embodiment.

In this embodiment, the first mounting base 111 is provided with a mounting cavity 1111 and a pivot 1112, the clamping assembly 5 is slidably mounted in the mounting cavity 1111, and the control assembly 3 is rotatably mounted on the pivot 1112. The second mounting base 112 is provided with a mounting rod 1121, and the clamping assembly 5 is further slidably mounted on the mounting rod 1121. When the device is used, the control assembly 3 rotates around the pivot 1112 as an axis, the connecting member 4 drives the clamping assembly 5 to move, and the clamping assembly 5 slides along the mounting cavity 1111 and synchronously slides along the mounting rod 1121, so that the movement stability and the use reliability are guaranteed.

In some embodiments, the number of the mounting rods 1121 is a pair, the pair of mounting rods 1121 is symmetrically arranged, the mounting cavities 1111 are located on the symmetrical plane of the pair of mounting rods 1121, and the axial line positions of the pair of mounting rods 1121 and the mounting cavities 1111 are connected in a triangular shape.

In this embodiment, the sliding motion of the clamping assembly 5 is guided by the pair of mounting rods 1121 and the mounting cavity 1111 at three positions, and the three positions are connected in a triangle shape, so as to further ensure the motion stability and the use reliability,

in some embodiments, the grip assembly 2 includes a connecting block 25 and an operating lever 21.

In this embodiment, the connecting seat 25 is fixedly connected to the jig main body 1, the operating rod 21 is mounted on the connecting seat 25, and the length of the operating rod 21 is adjustable. In use, the operating lever 21, the connecting seat 25 and the mounting seat 11 in the clamp body 1 are relatively fixed.

Illustratively, the connecting seat 25 is fixedly connected with the clamp body 1 through a fixing screw, and the fixing screw is a bolt with an outer diameter of phi 6 mm. The operating rod 21 is made of epoxy resin, is 4 meters long, and consists of multiple sections, and each section is 1.5 meters long and can be used as a lifting type insulating operating rod.

It should be noted that there are various ways of adjusting the length of the operating rod 21, such as a telescopic rod, so as to adapt to different use conditions and have better versatility.

In some embodiments, the grip assembly 2 is also angularly adjustable, and further includes a female coupling plate 22, a male coupling plate 23, and a coupling screw 24.

In this embodiment, the concave-tooth connecting plate 22 is fixedly connected with the connecting seat 25, the convex-tooth connecting plate 23 is fixedly connected with the operating rod 21, and the connecting screw 24 is connected with the concave-tooth connecting plate 22 and the convex-tooth connecting plate 23, so that the concave-tooth connecting plate 22 and the convex-tooth connecting plate 23 can be locked after relatively rotating. Wherein, the opposite surfaces of the concave tooth connecting plate 22 and the convex tooth connecting plate 23 are provided with matched teeth.

Illustratively, the outer diameters of the concave tooth connecting plate 22 and the convex tooth connecting plate 23 are phi 12 mm, the concave tooth connecting plate and the convex tooth connecting plate are made of aluminum alloy materials, the concave tooth connecting plate and the convex tooth connecting plate are movably sleeved on the connecting screw 24, 36 uniform concave teeth and convex teeth are respectively distributed on opposite surfaces, the angle of the wire clamp can be adjusted when the wire clamp is used, and each grid is 10 degrees. The concave tooth connecting plate 22 and the convex tooth connecting plate 23 are holes with an inner diameter of phi 10 mm, and are connected by a connecting screw 24 serving as a concave-convex fixing bolt. The outer diameter of the connecting screw 24 is phi 12 mm, the connecting screw is made of iron materials, and a bolt with the performance level of 4.8 penetrates into the concave tooth connecting plate 22 and the convex tooth connecting plate 23 to play a role in fixing the angle.

Therefore, the wire clamp fixture can be adjusted every 10 degrees, when a main line with an angle is touched, an operator can conveniently hang the wire clamp on the main line conductor by adjusting the angle, the coverage area of ground potential live working is enlarged, the working safety is improved, and the working labor intensity and the working time are reduced.

To sum up, this fastener anchor clamps have the dual regulation effect of length and angle concurrently, are the portable adjustable angle fastener anchor clamps of indirect live working of insulator spindle.

In some embodiments, the control assembly 3 comprises a connecting rod 32 and a pull ring 31.

In this embodiment, the middle of the connecting rod 32 is rotatably connected to the clamp body 1, the first end of the connecting rod 32 is rotatably connected to the connecting member 4, and the pull ring 31 is fixedly connected to the second end of the connecting rod 32.

Illustratively, the connecting rod 32 is bent, and the connecting member 4 is crescent-shaped and made of aluminum alloy. The pull ring 31 is made of iron materials, the insulation hook can be easily hooked by the large diameter of the pull ring 31, and enough movement space is reserved for the insulation hook, so that when the special-shaped parallel groove clamp lockset is disassembled, enough movement distance is provided for the insulation hook to generate certain impact force, and static friction force when the control assembly 3 is in a self-locking state is overcome.

In conclusion, the special-shaped parallel groove clamp can be easily fixed by using the clamp only by pulling the pull ring 31 up and down by No. 2 operators on the rod, so that the working time of the No. 2 operators is reduced, the labor intensity is reduced, and the safety in the working process is improved.

In some embodiments, the clamping assembly 5 includes a movable seat 51 and a movable jaw 54.

In this embodiment, the movable seat 51 is slidably connected to the main body 1, and the movable clamping piece 54 is disposed on the movable seat 51 for clamping the wire clip with the main body 1. In use, the fixed jaw 12 is fixed, and the movable seat 51 moves under the action of the control component 3 and the connecting component 4, so that the movable jaw 54 moves towards the fixed jaw 12, and the wire clamp is clamped between the movable jaw 54 and the fixed jaw 12.

Illustratively, the movable jaw 54 and the fixed jaw 12 are made of aluminum alloy and have a protruding tooth at one end for fixing the special-shaped parallel groove clamp, so that the grooves at the two sides of the special-shaped parallel groove clamp are clamped and fixed under the action of the protruding tooth.

In some embodiments, movable seat 51 includes a first movable seat body 511 and a second movable seat body 512.

In this embodiment, the first movable fastening structure 511 is provided with a pull rod 55, the pull rod 55 is slidably mounted in the mounting cavity 1111, and the second movable fastening structure 512 is slidably mounted in the mounting rod 1121.

In some embodiments, the clamping assembly 5 further includes a tension spring 52 and an adjusting nut 53, and a pull rod 55 is inserted through the first movable base 511.

In this embodiment, the adjusting nut 53 is connected to the pull rod 55 at two sides of the first movable fastening body 511, and the adjusting nut 53 is used for adjusting the relative position between the first movable fastening body 511 and the pull rod 55.

Illustratively, the first movable base 511 is made of aluminum alloy, and has a screw hole with an inner diameter of Φ 10 mm for connecting with the pull rod 55, and a lower end welded to the second movable base 512. The outer diameter of the pull rod 55 is phi 10 mm, the pull rod is made of aluminum alloy, the part connected with the first movable seat 511 is provided with threads, the pull rod is connected with the first movable seat 511 through two adjusting nuts 53, and the adjusting nuts 53 enable the first movable seat 511 to clamp the special-shaped parallel groove clamp at a proper position.

In this embodiment, the tension spring 52 is sleeved on the pull rod 55 at a side of the first movable seat 511 facing the first mounting seat 111, and the tension spring 52 is used for applying an elastic force to the first movable seat 511.

Illustratively, the tension spring 52 has an outer diameter of 12 mm and a length of 50 mm, and is made of a special steel wire. The pull rod 55 penetrates into the elastic spring 52, the elastic spring 52 is positioned between the first movable seat 511 and the first mounting seat 111, when the pull ring 31 is pulled downwards, the movable seat 51 moves, the elastic spring 52 is tightened, and the movable clamping piece 54 and the fixed clamping piece 12 clamp the special-shaped wire clamp; when the wire clamp fixture is disassembled after the screws on the lead fixing special-shaped wire clamp are fastened, the special-shaped wire clamp can be loosened and taken down in the wire clamp fixture only by slightly pushing the pull ring 31 and then automatically bouncing off under the action of the elastic spring 52.

In one description of the wire clamp, when the insulating rod works in 10 kv live working, a worker fastens the connecting screw 24 connecting the concave tooth connecting plate 22 and the convex tooth connecting plate 23 to fix the angle between the operating rod 21 and the connecting seat 25; the operator lifts the pull ring 31 upwards by hand to open the movable clamping piece 54 and the fixed clamping piece 12; an operator aligns the grooves of the special-shaped parallel groove clamp with the movable clamping piece 54 and the fixed clamping piece 12, and then pulls the pull ring 31 downwards, so that the clamp can be reliably clamped between the movable clamping piece 54 and the fixed clamping piece 12; when the drainage wire is firmly connected to the main wire by the conductive wire clamp, the operator applies a pulling force to the pull ring 31 by the insulating hook, the movable clamping piece 54 and the fixed clamping piece 12 are separated, and the operator can easily detach the clamp from the main wire.

It should be noted that many of the components mentioned in this application are all common standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The wire clamp provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (10)

1. A wire clamp fixture is characterized by comprising a fixture main body (1) and being arranged on the fixture main body (1):

the holding rod component (2) is fixed relative to the clamp main body (1);

a control component (3) which can rotate relative to the clamp main body (1) and is also connected with a connecting piece (4); and

a clamping assembly (5) which can slide relative to the clamp body (1) and is also connected with the connecting piece (4);

when the control assembly (3) rotates, the clamping assembly (5) is driven to slide through the connecting piece (4), so that the wire clamp is clamped between the clamping assembly (5) and the clamp main body (1).

2. The clamp according to claim 1, characterized in that the clamp body (1) comprises:

the mounting seat (11) is used for being connected with the control component (3) in a rotating mode and connected with the clamping component (5) in a sliding mode; and

the fixing clamping piece (12), the fixing clamping piece (12) set up in mount pad (11), be used for with clamping component (5) presss from both sides the fastener.

3. The clamp according to claim 2, characterized in that said mounting seat (11) comprises:

the first installation base body (111), the first installation base body (111) is provided with an installation cavity (1111) and a pivot (1112), the clamping component (5) is slidably assembled in the installation cavity (1111), and the control component (3) is rotatably assembled on the pivot (1112); and

a second mounting base (112), wherein the second mounting base (112) is provided with a mounting rod (1121), and the clamping component (5) is also assembled on the mounting rod (1121) in a sliding manner.

4. The wire clamp according to claim 3, wherein the number of the mounting rods (1121) is a pair, the pair of the mounting rods (1121) are symmetrically arranged, and the mounting cavities (1111) are located on the symmetrical planes of the pair of the mounting rods (1121), and the axial position connecting lines of the pair of the mounting rods (1121) and the mounting cavities (1111) are triangular.

5. The clamp according to claim 1, characterized in that said grip assembly (2) comprises:

the connecting seat (25), the connecting seat (25) is fixedly connected with the clamp main body (1); and

the operating rod (21) is installed on the connecting seat (25), and the length of the operating rod (21) can be adjusted.

6. The wire clamp according to claim 5, characterized in that the grip assembly (2) further comprises:

the concave tooth connecting plate (22), the concave tooth connecting plate (22) is fixedly connected with the connecting seat (25);

the convex tooth connecting plate (23), the convex tooth connecting plate (23) is fixedly connected with the operating rod (21); and

the connecting screw (24) is connected with the concave tooth connecting plate (22) and the convex tooth connecting plate (23), and the concave tooth connecting plate (22) and the convex tooth connecting plate (23) can be locked after relatively rotating;

the opposite surfaces of the concave tooth connecting plate (22) and the convex tooth connecting plate (23) are provided with matched teeth.

7. The clamp according to claim 1, characterized in that said control assembly (3) comprises:

the middle part of the connecting rod (32) is rotationally connected with the clamp main body (1), and the first end of the connecting rod (32) is rotationally connected with the connecting piece (4); and

and the pull ring (31) is fixedly connected with the second end of the connecting rod (32).

8. The clamp according to claim 3, characterized in that the clamping assembly (5) comprises:

the movable seat (51), the movable seat (51) is connected with the clamp main body (1) in a sliding manner; and

the movable clamping piece (54) is arranged on the movable seat (51) and used for clamping the wire clamp with the clamp main body (1).

9. The clamp according to claim 8, characterized in that said movable seat (51) comprises:

the first movable seat body (511), the first movable seat body (511) is provided with a pull rod (55), and the pull rod (55) is assembled in the installation cavity (1111) in a sliding manner; and

the second movable base body (512), the second movable base body (512) is slidably mounted on the mounting rod (1121).

10. The clamp holder according to claim 9, characterized in that the clamping assembly (5) further comprises a tension spring (52) and an adjusting nut (53), the pull rod (55) passing through the first movable seat (511);

the tension spring (52) is sleeved on the pull rod (55) at one side of the first movable seat body (511) facing the first installation seat body (111), and the tension spring (52) is used for applying elasticity to the first movable seat body (511);

the adjusting nuts (53) are connected with the pull rods (55) at two sides of the first movable base body (511), and the adjusting nuts (53) are used for adjusting the relative positions of the first movable base body (511) and the pull rods (55).

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