Auxiliary tool for mounting intermediate joint of high-voltage cable

Abstract

The utility model relates to a high voltage cable intermediate joint installation auxiliary tool, the auxiliary tool comprises a base, a support leg, a longitudinal lifting structure, a lifting plate and a clamping piece, the support leg is arranged at the bottom of the base, the longitudinal lifting structure is arranged at the top of the base, the top of the longitudinal lifting structure is arranged on the lifting plate, and the clamping piece is arranged on the lifting plate. Clamping pieces are arranged on the two sides, in the length direction, of the lifting plate correspondingly. According to the scheme, through the lifting structure and the clamping piece, when the cable intermediate joint is installed, the cable joint can be rapidly positioned, the joint body can be moved, the joint body can be adjusted to be horizontal, the influence of unevenness of a construction site is avoided, and it is guaranteed that the lap joint size of a stress cone is qualified. Compared with an old construction means, the construction time can be shortened, and the working efficiency and the construction quality are improved. And the time for adjusting and positioning the cable accessory in the installation process is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary tools for cable accessory construction, specifically an auxiliary tool for installing intermediate joints of high-voltage cables. Background Technology

[0002] As a crucial link in the construction of power transmission lines, the installation quality of cable intermediate joint accessories directly affects the overall construction quality and efficiency of the cable accessory project. According to feedback from construction units, the installation of the insulation body is paramount in the installation of high-voltage cable intermediate joints. To ensure joint quality, every installation parameter must be precisely controlled and must not exceed the specified error range. If the overlap size between the stress cone and the semi-conductive layer of the cable accessory fails to meet the standard requirements, it may cause uneven electric field distribution, and in extreme cases, even lead to insulation breakdown of the cable intermediate joint. The continued use of the most primitive and traditional hand-operated hoist lifting method during the installation of the high-voltage cable intermediate joint body is not only inefficient and inconsistent in terms of skill level, but also greatly affected by the site conditions and unable to precisely adjust the height. Unstable lifting can easily affect the overlap size of the stress cone of the joint body, leading to uneven electric field distribution and ultimately resulting in substandard cable accessory joint fabrication quality. This not only increases construction costs but also creates safety hazards, seriously affecting the overall quality of power grid construction. Utility Model Content

[0003] The purpose of this utility model is to provide an auxiliary tool for installing high-voltage cable intermediate joints to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary tool for installing a high-voltage cable intermediate joint, the auxiliary tool including a base and two lifting clamping platforms symmetrically arranged on the base for clamping both ends of the high-voltage cable intermediate joint; each lifting clamping platform includes a lifting mechanism and a clamping platform arranged on the lifting mechanism, and clamping members are symmetrically arranged at both ends of the clamping platform, the two clamping members forming a clamping opening for jointly clamping the high-voltage cable intermediate joint.

[0005] Preferably, the clamping member includes a U-shaped clamping seat and a clamping block, the clamping block is disposed in the opening of the clamping seat, and the two sides of the clamping block are rotatably connected to the two sides of the clamping seat through a rotating shaft.

[0006] Preferably, the clamping block is shaped like a right triangle, with its inclined surface being an arc-shaped clamping surface, and an anti-slip pad is provided on the clamping surface.

[0007] Preferably, the system further includes a support base for supporting the clamping seats. The support base is mounted on the lifting mechanism, and the two clamping seats are located on both sides of the support base. The bottom of the clamping seats is provided with a strip-shaped first adjustment hole, and the support base is provided with a second adjustment hole corresponding to the position of the first adjustment hole. The clamping seats are fixedly connected to the support base through adjusting bolts, the first adjustment hole, and the second adjustment hole.

[0008] Preferably, the lifting mechanism is a scissor type lifting structure, including a lower lifting seat, an upper lifting seat, and a scissor type lifting arm. The lower lifting seat and the upper lifting seat are provided with sliding grooves, and the scissor type lifting arm is provided with lifting pulleys that are slidably disposed in the sliding grooves. The scissor type lifting structure also includes a ball sleeve rotating component and a lead screw, and an inner four-corner adjustment hole is provided at the head of the lead screw.

[0009] Preferably, the base is a frame, and the two lifting clamping platforms are detachably disposed on both sides inside the frame.

[0010] Preferably, it further includes a ruler, a ruler mounting frame, and a ruler head fixing frame. The ruler mounting frame and the ruler head fixing frame for fixing the ruler head are respectively provided on the same side of the lower lifting seat and the upper lifting seat. The ruler is located in the ruler mounting frame, and the end of the ruler is fixed in the ruler head fixing frame. The level is located on the base.

[0011] Preferably, the base is provided with adjustable support feet for adjusting the height of the base and casters for the base to move.

[0012] Preferably, it also includes a level, which is mounted on the base.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model, through its lifting structure and clamping components, enables rapid positioning of cable joints during installation. It allows for the movement and leveling of the joint body, unaffected by uneven terrain, ensuring the stress cone lap dimensions meet specifications. Compared to older methods, it reduces construction time and improves efficiency and quality. It significantly reduces the time spent adjusting and positioning cable accessories during installation. Furthermore, this utility model is lightweight and easy to transport; installation is convenient, cable accessories are easily fixed, and the entire process can be completed by one person standing; no squatting or bending posture is required, making the process safe and efficient. Attached Figure Description

[0015] Figure 1 Here is a schematic diagram of the structure of this utility model;

[0016] Figure 2 Here is an exploded view of the lifting and clamping platform provided by this utility model.

[0017] Figure 3 Here is a schematic diagram of the lifting mechanism of this utility model;

[0018] In the diagram: Base 1, Connecting plate 11, Adjustable support foot 12, Adjusting screw 121, Handle 122, Caster wheel 13, Level 14, Lifting clamping platform 2, Lifting lower seat 201, Lifting upper seat 202, Scissor-type lifting arm 203, Slide groove 2011, Lifting pulley 2031, Lead screw 204, Rod head 2041, Inner four corner adjustment holes 20411, Ruler mounting frame 205, Ruler head fixing frame 206, Ruler 207, Support seat 21, Second adjustment hole 211, Clamping seat 221, First adjustment hole 2211, Adjusting bolt 2212, Clamping block 222, Arc-shaped clamping surface 2221, Rotating shaft 2222. Detailed Implementation

[0019] The technical solution of one embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0020] Please see Figure 1-3 This utility model provides an auxiliary tool for installing high-voltage cable intermediate joints. The auxiliary tool includes a base 1 and two lifting clamping platforms 2 symmetrically arranged on the base 1 for clamping the two ends of the high-voltage cable intermediate joint. Each lifting clamping platform 2 includes a lifting mechanism and a clamping platform provided on the lifting mechanism. Clamping components are symmetrically arranged at both ends of the clamping platform, and the two clamping components form a clamping opening for jointly clamping the high-voltage cable intermediate joint. This solution can keep both ends of the cable joint on the same horizontal plane during cable intermediate joint construction, and can also achieve rapid and stable lifting of the cable joint, improving construction quality and work efficiency, and reducing construction time. In addition, the lifting clamping platform 2 has two independent structures on the left and right sides, which can be adjusted to adjust the left and right height of the cable accessories according to the on-site construction needs.

[0021] Specifically, the clamping component includes a U-shaped clamping seat 221 and a clamping block 222. The clamping block 222 is located inside the opening of the clamping seat 221, and the two sides of the clamping block 222 are rotatably connected to the two sides of the clamping seat 221 via a rotating shaft 2222. Before use, the clamping block 222 can be rotated outward to expose the first adjustment hole 2211 on the clamping seat 221, and the distance between the two clamping blocks 222 can be adjusted to match the outer diameter of the cable accessory using the adjusting bolt 2212. Then, the upper part of the clamping block 222 is rotated outward at an angle to increase the clamping opening, making it easier for the connector to enter the clamping opening. Since the clamping surface is arc-shaped and an anti-slip pad is provided on the clamping surface, as the connector enters, the upper part of the clamping block 222 rotates inward to decrease the clamping opening. After the connector has entered the clamping opening, the friction of the anti-slip pad prevents the high-voltage cable accessory from moving during installation. Specifically, the clamping block 222 is shaped like a right triangle, and its inclined surface is an arc-shaped clamping surface 2221.

[0022] The right-angled triangle here is used to illustrate the approximate shape of the clamping block 222, which includes the main structure of the two right-angled sides of a right-angled triangle; the arc-shaped clamping surface 2221 can better fit the shape of the intermediate joint, increase the clamping contact area, thereby improving the stability and reliability of the clamping, while reducing damage to the cable intermediate joint during the clamping process.

[0023] Specifically, it also includes a support base 21 for supporting the clamping base 221. The support base 21 is mounted on the lifting mechanism, and two clamping bases 221 are located on both sides of the support base 21. The bottom of the clamping base 221 has a strip-shaped first adjustment hole 2211, and the support base 21 corresponding to the position of the first adjustment hole 2211 has a second adjustment hole 211. The clamping base 221 is fixedly connected to the support base 21 via adjusting bolts 2212, the first adjustment hole 2211, and the second adjustment hole 211. The design of the support base 21 provides stable support for the clamping base 221. At the same time, the coordinated use of the adjusting bolts 2212, the first adjustment hole 2211, and the second adjustment hole 211 allows the position of the clamping base 221 to be finely adjusted according to actual needs, thus allowing adjustment according to the different sizes of cable accessories of different voltage levels, resulting in high applicability.

[0024] Specifically, the lifting mechanism is a scissor-type lifting structure, including a lower lifting seat 201, an upper lifting seat 202, and a scissor-type lifting arm 203. The lower lifting seat 201 and upper lifting seat 202 are provided with sliding grooves 2011, and the scissor-type lifting arm 203 is provided with lifting pulleys 2031 slidably disposed within the sliding grooves 2011. The scissor-type lifting structure also includes a ball bearing sleeve rotating component and a lead screw 204, with an inner four-corner adjustment hole 20411 at the head 2041 of the lead screw 204. In use, lifting and lowering can be achieved through the inner four-corner adjustment hole 20411 at the head 2041 of the lead screw 204. Its operation is simple and the lifting and lowering is smooth, easily realizing the lifting and lowering operation of the lifting clamping platform 2.

[0025] Specifically, the base 1 is a frame, and two lifting clamping platforms 2 are detachably installed on both sides inside the frame.

[0026] In this design, the base 1 is a frame formed by four corners, with a connecting plate 11 between the two corresponding wide sides. The lifting clamping platform 2 is mounted between the two corresponding long sides, and the lower lifting seat of the lifting clamping platform 2 is detachably and fixedly connected to the connecting plate 11 by bolts. This design allows the two lifting clamping platforms 2 to be used simultaneously or individually, providing great flexibility. It also facilitates the adjustment of the distance between the two lifting clamping platforms 2 to meet the requirements of various aspects of on-site construction. In addition, it is also convenient for transportation and installation.

[0027] Specifically, it also includes a ruler 207, a ruler 207 mounting frame 205, and a ruler 207 head fixing frame 206. The lower lifting seat 201 and the upper lifting seat 202 are respectively provided with a ruler 207 mounting frame 205 and a ruler 207 head fixing frame 206 for fixing the head of the ruler 207. The ruler 207 is located in the ruler 207 mounting frame 205, and the end of the ruler 207 is fixed in the ruler 207 head fixing frame 206. The level 14 is located on the base 1.

[0028] A measuring tape 207 is provided on the same side of the lower lifting seat 201 and the upper lifting seat 202 of the lifting clamping mechanism, which can conveniently measure the height of a single lifting clamping platform 2 and the height difference between the two lifting clamping platforms 2, so as to provide construction quality and suit different construction requirements.

[0029] Specifically, the base 1 is equipped with adjustable support feet 12 for adjusting the height of the base 1, casters 13 for the movement of the base 1, and a level 14 on the base 1. The adjustable support feet 12 can be designed as an adjusting screw 121 and a handle 122. Its design, in conjunction with the level 14 on the base 1, allows for adjustment of the base 1 on different terrains, so that all parts of the base 1 are on the same horizontal plane. At the same time, the casters 13 for the movement of the base 1 enhance the mobility and flexibility of this auxiliary tool.

[0030] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An auxiliary tool for installing a high-voltage cable intermediate joint, characterized in that: The auxiliary tool includes a base and two lifting clamping platforms symmetrically arranged on the base for clamping the two ends of the high-voltage cable intermediate joint; each lifting clamping platform includes a lifting mechanism and a clamping platform arranged on the lifting mechanism, and clamping members are symmetrically arranged at both ends of the clamping platform, and the two clamping members form a clamping opening for jointly clamping the high-voltage cable intermediate joint. The clamping component includes a U-shaped clamping seat and a clamping block. The clamping block is disposed in the opening of the clamping seat, and the two sides of the clamping block are rotatably connected to the two sides of the clamping seat through a rotating shaft. It also includes a support base for supporting the clamping seats. The support base is mounted on the lifting mechanism. Two clamping seats are mounted on both sides of the support base. The bottom of the clamping seats is provided with a strip-shaped first adjustment hole. The support base is provided with a second adjustment hole corresponding to the position of the first adjustment hole. The clamping seats are fixedly connected to the support base through adjusting bolts, the first adjustment hole, and the second adjustment hole. The lifting mechanism is a scissor type lifting structure, including a lower lifting seat, an upper lifting seat, and a scissor type lifting arm. The lower lifting seat and the upper lifting seat are provided with sliding grooves, and the scissor type lifting arm is provided with lifting pulleys that are slidably disposed in the sliding grooves. The scissor type lifting structure also includes a ball sleeve rotating component and a lead screw, and an inner four-corner adjustment hole is provided at the head of the lead screw.

2. The auxiliary tool for installing a high-voltage cable intermediate joint according to claim 1, characterized in that: The clamping block is shaped like a right triangle, with its inclined surface being an arc-shaped clamping surface, and an anti-slip pad is provided on the clamping surface.

3. The auxiliary tool for installing a high-voltage cable intermediate joint according to claim 1, characterized in that: The base is a frame, and the two lifting clamping platforms are detachably installed on both sides inside the frame.

4. The auxiliary tool for installing a high-voltage cable intermediate joint according to claim 1, characterized in that: It also includes a ruler, a ruler mounting frame, and a ruler head fixing frame. The ruler mounting frame and the ruler head fixing frame for fixing the ruler head are respectively provided on the same side of the lower lifting seat and the upper lifting seat. The ruler is located in the ruler mounting frame, and the end of the ruler is fixed in the ruler head fixing frame.

5. The auxiliary tool for installing a high-voltage cable intermediate joint according to claim 1, characterized in that: The base is equipped with adjustable support feet for adjusting the height of the base and casters for the base to move.

6. The auxiliary tool for installing a high-voltage cable intermediate joint according to claim 1, characterized in that: It also includes a level, which is mounted on the base.

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