CN219677957U

CN219677957U - Traction head for cable traction

Info

Publication number: CN219677957U
Application number: CN202321123913.3U
Authority: CN
Inventors: 郑小洪; 张希军; 陈钢; 罗萍; 鲁斌; 万正飞; 邓皓元; 陈正尧
Original assignee: Sichuan Shudao Electrification Construction Co ltd
Current assignee: Sichuan Shudao Electrification Construction Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-12
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a traction head for cable traction, which comprises: the traction head body is internally provided with a containing cavity; the clamping part comprises a connecting rod and two clamping plates; the connecting rod is rotationally arranged in the accommodating cavity, opposite threads are formed at two ends of the connecting rod, and two clamping plates are respectively arranged at two ends of the connecting rod; one end of the connecting rod is also provided with a bulge which extends out of the traction head body; the guide mechanism is arranged in the accommodating cavity. The connecting rod is driven to rotate by the spanner, so that the clamping plate clamps the cable, the structure is simple, the cost is low, and the cable can be well clamped.

Description

Traction head for cable traction

Technical Field

The utility model relates to the technical field of cable traction heads, in particular to a traction head for cable traction.

Background

The cable traction head is a tool commonly used for laying high-voltage cables, is arranged at one end of the cable, is mainly used for guiding the trend of the cable and bearing the pulling force of the traction cable when the cable is laid, and is an important technical means for guaranteeing the safe laying of the cable.

In most cases, the traction head can achieve the effect of fixing the cable by clamping the cable inwards; for example, the utility model patent with the application number of 201911388087.3 discloses an auxiliary traction head of a rolling tubular power cable threading apparatus, wherein the traction head is meshed with a first cone pulley through a first crown gear, and can synchronously drive each threaded rod to rotate, so that a threaded sleeve moves, further drives a supporting rod to gradually rotate to a vertical state, applies pressure to clamping plates, and simultaneously clamps and fixes one end of a cable through a plurality of clamping plates to realize connection; however, this structure is complicated, and the manufacturing and installation are not changed and the cost is high.

Disclosure of Invention

The utility model aims to provide a traction head for cable traction, which has the advantages of simple structure and low cost, and can clamp cables well.

The embodiment of the utility model is realized by the following technical scheme:

a pulling head for cable pulling, comprising:

the traction head comprises a traction head body, wherein a containing cavity is formed in the traction head body;

the clamping part comprises a connecting rod and two clamping plates; the connecting rod is rotationally arranged in the accommodating cavity, opposite threads are formed at two ends of the connecting rod, and the two clamping plates are respectively arranged at two ends of the connecting rod; a bulge is further arranged at one end of the connecting rod, and extends out of the traction head body;

the guide mechanism is arranged in the accommodating cavity.

In an embodiment of the utility model, the two clamping parts are respectively arranged in the accommodating cavities.

In an embodiment of the present utility model, a connection line between two clamping plates of one clamping portion is set to be a, and a connection line between two clamping plates of the other clamping portion is set to be B, wherein a is perpendicular to B.

In an embodiment of the utility model, a through hole is formed on a side wall of the traction head body corresponding to the connecting rod, and the protrusion is located in the through hole.

In an embodiment of the utility model, the through hole is provided with a protective cover capable of being opened and closed.

In one embodiment of the present utility model, the guiding mechanism includes a plurality of support rods and a plurality of rollers; the supporting rods are arranged on two opposite side walls and the bottom of the containing cavity, and the rollers are respectively arranged on the supporting rods to form a guiding space for the cable to pass through.

In one embodiment of the utility model, the contact surface of the clamping plate and the cable is arc-shaped; the contact surface is also provided with a silica gel pad.

In one embodiment of the utility model, the protrusion is a hexagonal flange.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

according to the traction head for cable traction, one end of a cable enters the containing cavity of the traction head body under the action of the guide mechanism, at the moment, the connecting rod is rotated by screwing the bulge through the wrench, so that the two clamping plates move inwards to clamp the cable in the containing cavity, and the connecting rod can be reversely rotated when the cable is disassembled. The connecting rod is driven to rotate by the spanner, so that the clamping plate clamps the cable, the structure is simple, the cost is low, and the cable can be well clamped.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view I of the present utility model;

FIG. 3 is a second cross-sectional view of the present utility model;

fig. 4 is a schematic structural view of the clamping portion.

Icon: the traction head comprises a 1-traction head body, a 1 a-containing cavity, a 1 b-through hole, a 11-protection cover, a 2-clamping part, a 21-connecting rod longitudinal rod, a 21 a-bulge, a 22-clamping plate, a 22 a-silica gel pad, a 3-guiding mechanism, a 31-supporting rod and 32-rollers.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance. Merely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, a traction head for cable traction includes a traction head body 1, two clamping portions 2 and a guiding mechanism 3.

As shown in fig. 1-3, the traction head body 1 is provided with a cavity 1a inside, the cross section of the cavity 1a is rectangular, the front end of the traction head body 1 is also provided with a through hole 1b, and the through hole 1b is communicated with the cavity 1a, so that a cable can conveniently pass through the through hole 1b and enter the cavity 1 a.

As shown in fig. 2-3, two clamping parts 2 are respectively arranged in the accommodating cavity 1a and are used for clamping cables in the accommodating cavity 1 a; specifically, the clamping part includes two splint 22 and connecting rod, and the connecting rod rotates to locate in holding chamber 1a, and both ends have opposite screw thread, and two splint 22 set up respectively on the both ends of connecting rod for two splint 22 inwards move, clamp the cable, just need reverse rotation connecting rod when loosening the cable in the same way, make two splint 22 outside motion can.

As shown in fig. 3 to 4, one end of the clamping plate 22 has an extension having a threaded through hole 1b, and one end of the connecting rod passes through the threaded through hole 1b; meanwhile, due to the existence of extension, the connecting rod is arranged close to the side wall of the containing cavity 1a, and when the cable moves in the containing cavity 1a, the cable cannot be limited.

Further, as shown in fig. 2 to 3, in order to better clamp the cable and prevent the cable from falling off, two clamping portions 2 are provided one at the front end of the housing 1a and the other at the rear end of the housing 1 a. Specifically, let the line between the two clamping plates 22 of one clamping part 2 be a, and the line between the two clamping plates 22 of the other clamping part 2 be B, wherein a is perpendicular to B; the arrangement is such that one pair of clamping plates 22 clamps the cable in the horizontal direction at the front end of the accommodating chamber 1a, and the other pair of clamping plates 22 clamps the cable in the vertical direction at the rear end of the accommodating chamber 1a, thereby preventing the cable from falling off.

Further, as shown in fig. 1-2, one end of the connecting rod is provided with a protrusion 21a, the side wall of the traction head body 1 is provided with a through hole 1b corresponding to the connecting rod, and the protrusion 21a is positioned in the through hole 1b; the connecting rod is rotated by pulling the protrusion 21a by a wrench, thereby moving the two clamping plates 22 to the inside or the outside; meanwhile, the through hole 1b is further provided with a protective cover 11 which can be opened and closed, when the connecting rod does not need to be rotated, the protective cover 11 is closed on the through hole 1b, so that the connecting rod and the outside air are isolated, and the condition that the connecting rod is difficult to rotate due to the fact that the connecting rod is oxidized and rusted in the air for a long time is avoided.

In this embodiment, the projection 21a is preferably a hexagonal flange.

In this embodiment, the protection cover 11 is connected to the through hole 1b by a hinge to realize opening and closing of the protection cover 11.

Further, as shown in fig. 4, in order to enlarge the contact surface between the clamping plate 22 and the cable, so as to increase the friction force, so that the clamping of the clamping plate 22 is more stable, and the contact surface between the clamping plate 22 and the cable is arc-shaped; and the contact surface is also provided with a silica gel pad 22a, so that the probability of damaging the cable by the clamping plate 22 is reduced.

As shown in fig. 2 to 3, when the cable passes through the through hole 1b into the cavity 1a, the cable drops down or moves left and right as the length of the cable is longer, so that the cable cannot pass through the two clamping parts along the expected path, and thus the guide mechanism 3 is provided; specifically, the guide mechanism 3 includes a plurality of support rods 31 and a plurality of rollers 32; the supporting rods 31 are arranged on the two opposite side walls and the bottom of the accommodating cavity 1a, the rollers 32 are respectively arranged on the supporting rods 31 to form a guiding space, so that the cable moves along a straight line as far as possible, and the cable can be smoothly clamped by the clamping plates 22 of the two clamping plates 22.

The working principle of the embodiment is as follows:

under the effect of guiding mechanism 3, the one end of cable gets into in holding chamber 1a of traction head body 1, and at this moment, open visor 11, twist the protruding 21a of two connecting rods through the spanner for the connecting rod rotates, thereby makes respectively two splint 22 of two clamping parts inwards move, presss from both sides tight cable that is located holding chamber 1a, when dismantling the cable, reverse rotation connecting rod can.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A pulling head for cable pulling, comprising:

the guide mechanism is arranged in the accommodating cavity.

2. The pulling head for cable pulling according to claim 1, wherein the number of the clamping parts is two, and the clamping parts are respectively arranged in the accommodating cavity.

3. A traction head for cable traction according to claim 2, characterized in that the connection between two clamping plates of one clamping part is defined as a, and the connection between two clamping plates of the other clamping part is defined as B, said a being perpendicular to said B.

4. The pulling head for cable pulling according to claim 1, wherein the side wall of the pulling head body is provided with a through hole corresponding to the connecting rod, and the protrusion is located in the through hole.

5. The cable pulling head as defined in claim 4, wherein the through hole is provided with a protective cover capable of being opened and closed.

6. The traction head for cable traction according to claim 1, wherein the guiding mechanism comprises a plurality of support rods and a plurality of rollers; the supporting rods are arranged on two opposite side walls and the bottom of the containing cavity, and the rollers are respectively arranged on the supporting rods to form a guiding space for the cable to pass through.

7. The traction head for cable traction according to claim 1, wherein the contact surface of the clamping plate and the cable is arc-shaped; the contact surface is also provided with a silica gel pad.

8. A traction head for cable traction according to claim 1, wherein said protrusions are hexagonal flanges.