Wire tightening device for cable erection construction

Abstract

The utility model provides a wire tightening device for cable erection construction, and belongs to the technical field of power equipment installation, the wire tightening device specifically comprises a tightening assembly, a limiting assembly and an installation plate, the limiting assembly and the tightening assembly are both arranged on the installation plate, and the limiting assembly and the tightening assembly are sequentially arranged along the long edge of the installation plate; the tightening assembly comprises a conveying belt, multiple clamping devices and a rotating motor, the multiple clamping devices are evenly arranged along the conveying belt at intervals, and the rotating motor is used for driving the conveying belt to rotate. By means of the treatment scheme, the problem that in the prior art, the construction efficiency is low is solved.

Description

Technical Field

[0001] The present application relates to the technical field of power equipment installation, and in particular to a cable tensioning device for cable installation. Background Art

[0002] During the construction or inspection of overhead high-voltage power lines in the power system, tightening the high-voltage lines is a very important task, which directly affects the use of the entire power line. If the power line is too loose, the sag is too large, and it is easy to swing, collide with each other and cause a short circuit; if the power line is too tight, it is easy to break the line or pull the pole apart.

[0003] A wire tensioner is a tool used to tighten conductors in indoor porcelain-line circuits and outdoor overhead lines. It consists of a wire clamp head, a positioning groove, a tightening gear, and a handle. During use, the hook must be attached to a wire rack or crossarm, the wire clamp head clamps the end of the conductor to be tightened, and the handle is repeatedly rotated to gradually tighten the conductor.

[0004] With respect to the above-mentioned prior art, high-voltage cables are usually relatively thick and heavy. Conventional cable tighteners require operators to tighten the cables manually, resulting in low construction efficiency and a large amount of manpower consumption. Utility Model Content

[0005] In view of this, the present application provides a cable tensioning device for cable installation construction, which solves the problem of low construction efficiency in the prior art.

[0006] The present application provides a cable tensioning device for cable installation using the following technical solutions:

[0007] A cable tightening device for cable installation, comprising a tightening assembly, a limiting assembly, and a mounting plate, wherein the limiting assembly and the tightening assembly are both arranged on the mounting plate, and the limiting assembly and the tightening assembly are arranged in sequence along the long side of the mounting plate;

[0008] The tightening assembly includes a conveyor belt, a clamp and a rotating motor. There are multiple clamps, and the multiple clamps are evenly spaced along the conveyor belt. The rotating motor is used to drive the conveyor belt to rotate.

[0009] By adopting the above technical solution, when hanging the cable, one end is first fixed on the electric pole. After the other end of the cable passes through the limit assembly, the tightening assembly pulls and tightens the cable. The cable is clamped and fixed by the tightener. Under the rotation drive of the conveyor belt, the cable is pulled from the end close to the limit assembly to the end away from the limit assembly for tightening. The tightening process is driven by a rotating motor, and no manpower is required, which improves work efficiency.

[0010] Optionally, the clamp includes an adjusting cylinder and a clamping block, and two adjusting cylinders and two clamping blocks are provided. The two adjusting cylinders are arranged back to back on the conveyor belt, and the two clamping blocks are respectively arranged at the ends of the adjusting cylinder. The clamping block is provided with a groove, and the two grooves are arranged opposite to each other.

[0011] By adopting the above technical solution, the clamps are evenly spaced on the conveyor belt. First, the cable is clamped by the clamp near one end of the limit assembly, and the cable is pulled to the other end under the rotation of the conveyor belt. When the clamp pulling the cable rotates to the end of the conveyor belt away from the limit assembly, the adjusting cylinders push outward to loosen the cable. At this time, the clamp near one end of the limit assembly will control the clamping block to clamp the cable by tightening the adjusting cylinder, and repeatedly pull, thereby realizing purely mechanical tightening of the cable, saving a lot of manpower.

[0012] Optionally, the limiting assembly includes a screw rod, an adjusting motor and a limiter. A sliding groove is provided on the mounting plate in a direction parallel to the short side. The screw rod is rotatably connected to the mounting plate along the long side direction of the sliding groove. The adjusting motor is provided at the end of the screw rod, and the limiter is rotatably connected to the screw rod for clamping and limiting the cable.

[0013] By adopting the above technical solution, the motor is first controlled to rotate the screw rod, which drives the limiter to open, and the cable is passed through the limiter. Then the limiter is retracted to tighten the cable to a limit position, ensuring that each time the tightening component pulls the cable, the limiter does not generate a force to resist the pulling. Each time the tightening component is not working, the limit component ensures that the cable will not undergo a recovery contraction, thereby ensuring the progress of the tightening work and improving work efficiency.

[0014] Optionally, the limiter includes a first limit block and a second limit block, the first limit block and the second limit block are symmetrically arranged and are respectively rotatably connected to the screw rod, the first limit block and the second limit block are provided with limit holes on opposite surfaces, and the limit holes are provided with limit clips.

[0015] By adopting the above technical solution, the screw rod rotates, driving the first limit block and the second limit block to open backwards. At this time, the cable is placed between the first limit block and the second limit block, and then the limit clip is installed on the cable between the first limit block and the second limit block. Then the first limit block and the second limit block are controlled to be spliced ​​together. At this time, the limit hole generated by the splicing of the first limit block and the second limit block is locked and limited by the limit clip. The cable is located in the limit clip. When the cable is about to shrink, it will generate friction with the limit clip, thereby pushing the limit clip into the limit hole, so that the friction force generated between the limit block and the limit clip prevents the cable from returning.

[0016] Optionally, the aperture of one end of the limiting hole close to the tightening assembly is larger than the aperture of the other end, the aperture of one end of the limiting clip close to the tightening assembly is larger than the aperture of the other end, and the limiting clip includes a first clip part and a second clip part, and the first clip part and the second clip part are symmetrically arranged.

[0017] By adopting the above technical solution, since the aperture sizes on both sides of the limiting hole are different, a matching limiting clip is set, and the cable is located in the limiting clip. When the cable receives a pull-back force, the cable will be subjected to a force from the large-aperture end to the small-aperture end. At this time, the limiting clip will be subjected to the friction brought by the cable. After decomposing the friction, a force corresponding to the sliding of the clip can be obtained, thereby ensuring that the clip can clamp the cable in the limiting hole and limit it, ensuring that the cable will not fall back.

[0018] Optionally, the limiting clip further includes a fixing rib, and the fixing rib is used to fix the first clip part and the second clip part.

[0019] By adopting the above technical solution, the fixing rib is used to fix the first clip part and the second clip part, ensuring that the end with the large aperture of the limiting clip can firmly contact the cable and ensure that the friction between the cable and the limiting clip can be fully generated.

[0020] Optionally, a pressure sensor is provided in the limiting hole, a display is provided on the limiting block, and the pressure sensor and the display are electrically connected.

[0021] By adopting the above technical solution, during the tightening component operation, always pay attention to the pressure display on the monitor. If the pressure is too high, it means that the cable is over-tightened, which may easily cause the cable to break. The staff can adjust the tightening degree of the cable at any time by observing the pressure value, effectively ensuring the safety quality and construction efficiency during the construction process.

[0022] In summary, this application has the following beneficial technical effects:

[0023] 1. By fixing the first clip part and the second clip part on the cable with fixing ribs, then passing the cable through the limiting hole, and clamping the limiting clip into the limiting hole, the tightening assembly pulls the cable to tighten the process, and the cable moves from the limiting assembly to one end of the tightening assembly. When the cable is tightened to a certain extent, the tightening assembly stops pulling the cable. At this time, the cable will retreat due to its own weight, and the cable drives the limiting clip to move from the end with a larger aperture to the end with a smaller aperture in the limiting hole. The limiting clip generates friction between the hole wall of the limiting hole and the friction and pushing action of the cable, thereby limiting the cable and preventing the cable from being recovered, ensuring the construction effect and improving the construction efficiency.

[0024] 2. The first limit block and the second limit block are driven by the screw rod to move closer to and away from each other. The first clamping block and the second clamping block are also pushed closer to and away from each other by the adjusting cylinder. After the construction is completed, it is very convenient to remove the cable from the tensioning device, saving time and cost and improving work efficiency.

[0025] 3. The pressure sensor installed in the limit hole can detect the partial decomposition force of the pressure and friction force applied by the cable to the side wall of the limit hole after the tightening work is completed. After the pressure sensor senses the pressure, it will display the pressure value on the display for construction personnel to check and adjust the tightening degree in time, thereby improving the safety of construction and the safety of subsequent use of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of a cable tensioning device for cable installation disclosed in an embodiment of the present application;

[0028] Figure 2 This is a sectional view of the three-dimensional structure of a cable tensioning device for cable installation disclosed in an embodiment of the present application;

[0029] Figure 3 yes Figure 2 Enlarged schematic diagram of part A.

[0030] Explanation of the accompanying drawings: 1. Tightening assembly; 11. Conveyor belt; 12. Tightener; 121. Adjusting cylinder; 122. Clamping block; 1221. Groove; 13. Rotating motor; 2. Limiting assembly; 21. Screw rod; 22. Adjusting motor; 23. Limiter; 231. First limiting block; 2311. Limiting hole; 2312. Pressure sensor; 2313. Display; 232. Limiting clip; 2321. First clip part; 2322. Second clip part; 2323. Fixing rib; 234. Second limiting block; 3. Mounting plate; 31. Slide groove. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0032] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0033] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0034] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0035] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples. However, one skilled in the art will appreciate that the aspects described can be practiced without these specific details.

[0036] The present application provides a cable tensioning device for cable installation. Figure 1-Figure 3, including a tightening assembly 1, a limiting assembly 2 and a mounting plate 3. The limiting assembly 2 and the tightening assembly 1 are both mounted on the mounting plate 3, and the limiting assembly 2 and the tightening assembly 1 are arranged in sequence along the long side direction of the mounting plate 3; the tightening assembly 1 includes a conveyor belt 11, a clamp and a rotating motor 13. There are multiple clamps, and the multiple clamps are evenly spaced along the conveyor belt 11. The rotating motor 13 is used to drive the conveyor belt 11 to rotate; the clamp includes an adjusting cylinder 121 and a clamping block 122. There are two adjusting cylinders 121 and two clamping blocks 122. The two adjusting cylinders 121 are arranged back to back and are mounted on the conveyor belt 11 by bolts. The two clamping blocks 122 are respectively welded to the pushing ends of the adjusting cylinder 121. A groove 1221 is opened on the clamping block 122. The two grooves 1221 are opposite to each other. When the two adjusting cylinders 121 are tightened, the two clamping blocks 122 are pressed tightly, and the two grooves 1221 can form a through hole.

[0037] Reference Figure 1 The limit assembly 2 includes a screw rod 21, an adjusting motor 22 and a limiter 23. A slide groove 31 is opened on the mounting plate 3 in the direction parallel to the short side. The screw rod 21 is arranged along the long side direction of the slide groove 31 and is rotatably connected to the mounting plate 3. The adjusting motor 22 is installed on the mounting plate 3 by bolts, and the output end of the adjusting motor 22 is welded to the end of the screw rod 21. The limiter 23 is rotatably connected to the screw rod 21 for clamping and limiting the cable.

[0038] Reference Figure 1 and Figure 3 The limiter 23 includes a first limit block 231 and a second limit block 234. The first limit block 231 and the second limit block 234 are symmetrically arranged and are respectively rotatably connected to the screw rod 21. The first limit block 231 and the second limit block 234 have semicircular recesses on the opposite sides. The two recesses are combined to form a limit hole 2311. The aperture of the limit hole 2311 gradually decreases from the end close to the tightening assembly 1 to the end away from the tightening assembly 1.

[0039] Reference Figure 3 A limiting clip 232 is placed in the limiting hole 2311. The limiting clip 232 includes a first clip portion 2321, a second clip portion 2322 and a fixing rib 2323. The first clip portion 2321 and the second clip portion 2322 are fixed to the cable through the fixing rib 2323, and the shape of the first clip portion 2321 and the second clip portion 2322 after being fixed by the fixing rib 2323 is the same as the shape of the limiting hole 2311.

[0040] Reference Figure 2 A pressure sensor 2312 is fixedly installed in the limiting hole 2311 by bolts, and a display 2313 is fixed on the limiting block 231 by bolts. The pressure sensor 2312 and the display 2313 are electrically connected.

[0041] The embodiment of the present application discloses eight clamps.

[0042] The principle involved in this embodiment is: when the cable needs to be tightened, first install and fix one end of the cable, pass the other end of the cable through the small aperture end of the limiting hole 2311, and then pass through the through hole formed between the clamping blocks 122 located below the conveyor belt 11 in sequence. At this time, the first clip part 2321 and the second clip part 2322 are installed on the cable through the fixing rib 2323 at the large aperture end of the cable in the limiting hole 2311. At this time, the control adjustment motor 22 drives the screw rod 21 to rotate, and the first limit block 231 and the second limit block 234 are close to each other and tightened, and then the assembly is The closed limit clip 232 is stuck in the limit hole 2311. At this time, the clamping block 122 below the conveyor belt 11 is controlled by adjusting the cylinder 121 to clamp the cable, and the rotating motor 13 is driven to start the conveyor belt 11 to rotate. The cable is clamped by the clamping block 122 and the cable is pulled toward the end away from the limit hole 2311. When the clamping block 122 rotates to the end of the conveyor belt 11 farthest from the limit assembly 2, the regulating cylinder 121 controls the clamping block 122 to open. The opened clamping block 122 will rotate above the conveyor belt 11. At the same time, the conveyor belt 11 is below the conveyor belt 11 and the end closest to the limit assembly 2 is closed. The clamp at one end of the positioning assembly 2 tightens the clamping block 122 to clamp the cable, and operates reciprocatingly in sequence to achieve the purpose of pulling and tightening the cable. When the cable is tightened to a certain extent, the rotation of the rotating motor 13 is stopped, and all the clamping blocks 122 are controlled to loosen the cable. At this time, the cable will generate a pulling force due to its own gravity. The pulling back of the cable will generate friction between the limiting clip 232 and the limiting clip 232, driving the limiting clip 232 to retreat. As the aperture of the limiting hole 2311 gradually becomes smaller, the friction force applied by the cable to the limiting clip 232 will drive the limiting clip 232 and the limiting hole 231 1 Friction is generated between the apertures, thereby preventing the cable from being pulled back. At the same time, the pressure sensor in the limiting hole 2311 will receive the pressure generated by the cable. The pressure and friction are proportional. Therefore, the pressure value can be intuitively seen through the display 2313, and the friction value can be calculated. This is used as a basis to judge the tightness of the cable and make adjustments. When the entire tightening process is completed, the first limiting block 231 and the second limiting block 234 are opened by adjusting the motor 22, and the first clamping piece 2321 and the second clamping piece 2322 are removed at the same time, and the tensioning device can be moved out.

[0043] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A cable tensioning device for cable installation, characterized in that: It comprises a tightening assembly (1), a limiting assembly (2) and a mounting plate (3), wherein the limiting assembly (2) and the tightening assembly (1) are both arranged on the mounting plate (3), and the limiting assembly (2) and the tightening assembly (1) are arranged in sequence along the long side of the mounting plate (3); The tightening assembly (1) comprises a conveyor belt (11), a clamp and a rotating motor (13), wherein the clamp is provided in plurality and the plurality of clamps are evenly spaced along the conveyor belt (11), and the rotating motor (13) is used for driving the conveyor belt (11) to rotate.

2. A cable tensioning device for cable installation according to claim 1, characterized in that: The clamping device comprises an adjusting cylinder (121) and a clamping block (122), two of each of the adjusting cylinder (121) and the clamping block (122) are provided, the two adjusting cylinders (121) are arranged on the conveyor belt (11) in opposite directions, the two clamping blocks (122) are respectively arranged at the ends of the adjusting cylinder (121), the clamping block (122) is provided with a groove (1221), and the two grooves (1221) are arranged opposite to each other.

3. A cable tensioning device for cable installation according to claim 1, characterized in that: The limiting assembly (2) comprises a screw rod (21), an adjusting motor (22) and a limiter (23); a slide groove (31) is provided on the mounting plate (3) in a direction parallel to the short side; the screw rod (21) is rotatably connected to the mounting plate (3) along the long side direction of the slide groove (31); the adjusting motor (22) is provided at the end of the screw rod (21); and the limiter (23) is rotatably connected to the screw rod (21) for clamping and limiting the cable.

4. A cable tensioning device for cable installation according to claim 3, characterized in that: The limiter (23) comprises a first limit block (231) and a second limit block (234), wherein the first limit block (231) and the second limit block (234) are symmetrically arranged and are respectively rotatably connected to the screw rod (21), and the first limit block (231) and the second limit block (234) are provided with limit holes (2311) on opposite sides, and a limit clip (232) is provided in the limit hole (2311).

5. A cable tensioning device for cable installation according to claim 4, characterized in that: The aperture of one end of the limiting hole (2311) close to the tightening assembly (1) is larger than the aperture of the other end; the aperture of one end of the limiting clip (232) close to the tightening assembly (1) is larger than the aperture of the other end; the limiting clip (232) comprises a first clip portion (2321) and a second clip portion (2322); the first clip portion (2321) and the second clip portion (2322) are symmetrically arranged.

6. A cable tensioning device for cable installation according to claim 5, characterized in that: The limiting clip (232) further includes a fixing rib (2323), and the fixing rib (2323) is used to fix the first clip portion (2321) and the second clip portion (2322).

7. A cable tensioning device for cable installation according to claim 5, characterized in that: A pressure sensor (2312) is provided in the limiting hole (2311), a display (2313) is provided on the limiting block (231), and the pressure sensor (2312) and the display (2313) are electrically connected.

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