Power transmission and transformation line cable pay-off auxiliary device and construction method

Abstract

The invention discloses a power transmission and transformation line cable paying-off auxiliary device and a construction method, and belongs to the technical field of cable laying. The paying-off auxiliary device comprises a bottom plate, a limiting groove plate and a balancing weight, rollers are arranged at the bottom of the bottom plate, a first displacement plate is slidably connected to the left side of the bottom plate, and two supporting columns are arranged on the first displacement plate; a second displacement plate and a third displacement plate are arranged on the supporting columns in a sleeving mode, guide wheels are arranged on the displacement plates, a limiting groove plate is arranged on the right side of the bottom plate, and a balancing weight is arranged on the right side of the limiting groove plate. The guide wheels are arranged on the displacement plate, the situation that friction is generated between a cable and the ground, and consequently an insulating layer is damaged is avoided, the cable moving assembly is arranged and used in cooperation with the guide wheels, workers can conveniently convey the cable, the working efficiency is improved, the burden of the workers is relieved, use is convenient, operation is easy, and popularization is easy.

Description

Technical Field

[0001] The invention relates to a cable transmission device, in particular to a power transmission and transformation line cable laying auxiliary device and a construction method, belonging to the technical field of cable laying. Background Art When laying high-voltage cables for power transmission and transformation lines, it is difficult to transport the cables due to their large outer diameter and weight. Especially when transporting cables to a laying platform with a large drop, workers not only need to transport the cables horizontally, but also need to hold the cables to transport them to the laying platform above. This method is time-consuming, labor-intensive and inefficient. Moreover, during the transportation process, friction will occur between the cables and the ground, causing damage to the external insulation layer of the cables. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a power transmission and transformation line cable laying auxiliary device and construction method, which is convenient for workers to quickly transmit cables, reduces the burden on workers, and avoids wear of cables during transmission.

[0004] The technical solution adopted by the present invention to solve the technical problem is: A power transmission and transformation line cable laying auxiliary device comprises a base plate, a limit slot plate and a counterweight block, wherein a roller is arranged at the bottom of the base plate, a rectangular through hole is dug at the left side of the base plate, and a first displacement plate is slidably connected to the base plate on both sides of the rectangular through hole, two pillars are arranged on the first displacement plate, and a second displacement plate and a third displacement plate are sleeved on the pillars, a first guide wheel is arranged on the top of the second displacement plate, and a second guide wheel is arranged on the bottom surface of the third displacement plate, a limit slot plate is arranged on the base plate on the right side of the rectangular through hole, and a counterweight block is arranged on the right side of the limit slot plate.

[0005] External connection blocks are respectively arranged at two ends of the side portion of the bottom plate, and the external connection blocks are connected with limiting screws through threads.

[0006] A matching limiting nut is provided on the support column below the second displacement plate.

[0007] There are at least three first displacement plates, and the first displacement plates are fixedly connected to the bottom plate by bolts.

[0008] The inner walls on both sides of the limiting slot plate are provided with through holes, and positioning sleeves are arranged outside the through holes. Roller frames are respectively arranged on both sides of the limiting slot plate, and the fifth guide wheel is arranged on the roller frame. A connecting column is arranged on the back side of the roller frame, and the connecting column passes through the positioning sleeve, and a tightening bolt is arranged outside the positioning sleeve.

[0009] A fourth guide wheel is arranged on the top of the limiting slot plate.

[0010] The third displacement plate is fixedly connected to the support column by bolts.

[0011] The construction method of the power transmission and transformation line cable laying auxiliary device comprises the following steps: S1. Move the bottom plate to the cable installation location, dig a small hole in the ground below the limit screw, and rotate the limit screw so that the lower end of the limit screw is inserted into the small hole to achieve the positioning effect; S2. According to the outer diameter of the cable, adjust the distance between the second displacement plate and the third displacement plate so that the distance between the two displacement plates is greater than the outer diameter of the cable; S3, using the cable moving assembly to clamp the cable and transmit the cable to the distance between the two displacement plates; S4. Tie a rope to the right end of the cable and move the right end of the cable to the installation platform above the limit slot plate; S5. Install multiple cable moving assemblies on the ends of the cables on the installation platform to transfer the cables on the installation platform; and install multiple cable moving assemblies on the cables on the left side of the bottom plate to transfer the cables to the position between the two displacement plates.

[0012] The cable moving assembly includes a clamp, a displacement wheel and a handle. A sleeve is provided on the top of the displacement wheel. A displacement column is inserted in the sleeve. The sleeve and the displacement column are fixed together by bolts. A first connecting plate is provided on the top of the displacement column. A clamp is hinged on the top of the first connecting plate, and handles are rotatably connected to the outer walls on both sides of the clamp.

[0013] The clamp is made of two semicircular arc-shaped plates, and each arc-shaped plate is hinged to the first connecting plate respectively, and the two arc-shaped plates are fixedly connected together by bolts.

[0014] The positive beneficial effects of the present invention are: 1. The present invention arranges a second displacement plate and a third displacement plate on the pillar, and arranges guide wheels on the displacement plates, which not only enables the cables to be laid according to the route, but also avoids the wear between the cables and the ground. The invention is easy to use and simple to operate.

[0015] 2. The present invention sets a limit slot plate on the bottom plate and sets a guide wheel in the limit slot plate. When in use, the position of the roller frames on both sides can be adjusted according to the outer diameter of the cable, which not only plays a limiting role, but also facilitates the staff to lay the cables.

[0016] 3. The present invention provides a cable moving assembly outside the cable, which makes it convenient for workers to transport the cable horizontally and upward, thereby improving work efficiency and reducing the burden on the workers.

[0017] 4. The present invention provides a connection block on the outside of the base plate, and a limit screw is threadedly connected to the external connection block. During construction, a matching groove is dug on the ground, and the limit screw is inserted into the groove to play a role in limiting positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a usage state diagram of the present invention; Figure 2 It is a structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the limiting slot plate of the present invention; Figure 4 It is a structural schematic diagram of the cable moving assembly of the present invention; Wherein: 1-bottom plate, 2-roller, 3-rectangular through hole, 4-limiting slot plate, 5-counterweight block, 6-first displacement plate, 7-pillar, 8-second displacement plate, 9-first guide wheel, 10-limiting nut, 11-third displacement plate, 12-second guide wheel, 13-third guide wheel, 14-fourth guide wheel, 15-side guide wheel assembly, 151-roller frame, 152-fifth guide wheel, 153-connecting column, 16-external connecting block, 17-limiting screw, 18-clamp, 19-first connecting plate, 20-displacement wheel, 21-sleeve, 22-displacement column, 23-handle, A-cable. DETAILED DESCRIPTION

[0019] The present invention will be further explained and illustrated below in conjunction with the accompanying drawings: Example 1, see Figure 1-Figure 4 A power transmission and transformation line cable laying auxiliary device comprises a bottom plate 1, a limiting slot plate 4 and a counterweight 5, a roller 2 is arranged at the bottom of the bottom plate 1, a rectangular through hole 3 is dug on the left side of the bottom plate 1, and a first displacement plate 6 is slidably connected to the bottom plate 1 on both sides of the rectangular through hole 3, two pillars 7 are arranged on the first displacement plate 6, and a second displacement plate 8 and a third displacement plate 11 are sleeved on the pillars 7, a first guide wheel 9 is arranged on the top of the second displacement plate 8, and a second guide wheel 12 is arranged on the bottom surface of the third displacement plate 11, a limiting slot plate 4 is arranged on the bottom plate 1 on the right side of the rectangular through hole 3, and a counterweight 5 is arranged on the right side of the limiting slot plate 4.

[0020] External connection blocks 16 are respectively provided at both ends of the side of the bottom plate 1 , and limiting screws 17 are connected to the external connection blocks 16 by threads.

[0021] A matching limiting nut 10 is provided on the support column 7 below the second displacement plate 8 .

[0022] There are at least three first displacement plates 6 , and the first displacement plates 6 are fixedly connected to the bottom plate 1 by bolts.

[0023] Through holes are dug on the inner walls on both sides of the limiting slot plate 4, and positioning sleeves are arranged outside the through holes, roller frames 151 are respectively arranged on both sides of the limiting slot plate 4, and a fifth guide wheel 151 is arranged on the roller frame 151, and a connecting column 153 is arranged on the back side of the roller frame 151, the connecting column 153 passes through the positioning sleeve, and a tightening bolt is arranged outside the positioning sleeve.

[0024] A fourth guide wheel 14 is arranged on the top of the limiting slot plate 4 .

[0025] The third displacement plate 11 is fixedly connected to the support column 7 by bolts.

[0026] In the above description, the handles are distributed in an L shape, and each clamp has two handles, which are symmetrically distributed on both sides of the outer wall of the clamp.

[0027] In the above description, the size of the inner wall of the limiting slot plate is larger than the outer diameter of the cable.

[0028] In the above description, by moving the connecting column, the distance between the fifth guide wheels can be adjusted so that the cable is clamped to play a limiting role.

[0029] In the above description, the top of the limiting slot plate is at the same height as the upper mounting platform, and the fourth guide wheel is located above the mounting platform.

[0030] In the above description, two pillars are respectively disposed on each first displacement plate, and the two pillars are located at two ends of the first displacement plate, and the distance between the two first displacement plates is greater than the outer diameter of the cable.

[0031] In the above description, during construction, since the cable has a thick outer diameter and is not easy to bend, when laying, the third displacement plate on the right side support of the base plate is used depending on the situation.

[0032] Embodiment 2, the construction method of the above-mentioned power transmission and transformation line cable laying auxiliary device comprises the following steps: S1, move the base plate 1 to the cable installation location, dig a small hole in the ground below the limit screw 17, and rotate the limit screw 17 so that the lower end of the limit screw 17 is inserted into the small hole to achieve the positioning effect; S2. According to the outer diameter of the cable A, adjust the distance between the second displacement plate 8 and the third displacement plate 11 so that the distance between the two displacement plates is greater than the outer diameter of the cable A; S3, using the cable moving assembly to clamp the cable A and transmit the cable A to the distance between the two displacement plates; S4. Tie a rope at the right end of cable A and move the right end of cable A to the installation platform above the limiting slot plate 4; S5. Install multiple cable moving assemblies on the end of cable A on the installation platform to transport the cable on the installation platform; at the same time, install multiple cable moving assemblies on cable A on the left side of the base plate 1 to jointly transport cable A to the position between the two displacement plates.

[0033] In the above description, the cable moving assembly includes a clamp 18, a displacement wheel 20 and a handle 23. A sleeve 21 is arranged on the top of the displacement wheel 20, and a displacement column 22 is inserted in the sleeve 21. The sleeve 21 and the displacement column 22 are fixed together by bolts. A first connecting plate 19 is arranged on the top of the displacement column 22, and a clamp 18 is hinged on the top of the first connecting plate 19, and handles 23 are rotatably connected to the outer walls on both sides of the clamp 18.

[0034] In the above description, the clamp 18 is made of two semicircular arc-shaped plates, and each arc-shaped plate is hinged to the first connecting plate 19 respectively, and the two arc-shaped plates are fixedly connected together by bolts.

[0035] In the above description, the cable moving assembly can prevent the cable from rubbing against the ground, and at the same time, it is also convenient for the staff to move the cable horizontally.

[0036] The present invention arranges guide wheels on the displacement plate to avoid damage to the insulation layer caused by friction between the cable and the ground. By arranging a cable moving component and using the guide wheels, it is convenient for workers to transport the cables, thereby improving work efficiency and reducing the burden on the workers. The present invention is easy to use, simple to operate, and easy to promote.

Claims

1. A cable laying auxiliary device for a power transmission and transformation line, comprising a base plate (1), a limit slot plate (4) and a counterweight block (5), characterized in that: A roller (2) is arranged at the bottom of the bottom plate (1), a rectangular through hole (3) is excavated on the left side of the bottom plate (1), and first displacement plates (6) are slidably connected to the bottom plate (1) on both sides of the rectangular through hole (3), two pillars (7) are arranged on the first displacement plate (6), and a second displacement plate (8) and a third displacement plate (11) are sleeved on the pillars (7), a first guide wheel (9) is arranged on the top of the second displacement plate (8), and a second guide wheel (12) is arranged on the bottom surface of the third displacement plate (11), and a limiting slot plate (4) is arranged on the bottom plate (1) on the right side of the rectangular through hole (3), and a counterweight block (5) is arranged on the right side of the limiting slot plate (4).

2. A power transmission and transformation line cable laying auxiliary device according to claim 1, characterized in that: External connection blocks (16) are respectively provided at both ends of the side portion of the bottom plate (1), and a limiting screw rod (17) is threadedly connected to the external connection block (16).

3. The cable laying auxiliary device for power transmission and transformation lines according to claim 1, characterized in that: A matching limiting nut (10) is provided on the support column (7) below the second displacement plate (8).

4. The cable laying auxiliary device for power transmission and transformation lines according to claim 1, characterized in that: There are at least three first displacement plates (6), and the first displacement plates (6) are fixedly connected to the bottom plate (1) by bolts.

5. The cable laying auxiliary device for power transmission and transformation lines according to claim 1, characterized in that: Through holes are dug into the inner walls of both sides of the limiting slot plate (4), and positioning sleeves are arranged outside the through holes. Roller frames (151) are respectively arranged on both sides of the limiting slot plate (4), and a fifth guide wheel (151) is arranged on the roller frame (151). A connecting column (153) is arranged on the back of the roller frame (151), and the connecting column (153) passes through the positioning sleeve, and a tightening bolt is arranged outside the positioning sleeve.

6. The cable laying auxiliary device for power transmission and transformation lines according to claim 1, characterized in that: A fourth guide wheel (14) is provided on the top of the limiting slot plate (4).

7. The cable laying auxiliary device for power transmission and transformation lines according to claim 1, characterized in that: The third displacement plate (11) is fixedly connected to the support column (7) via bolts.

8. A construction method for a power transmission and transformation line cable laying auxiliary device according to any one of claims 1 to 7, characterized in that: The steps include: S1. Move the base plate (1) to the cable installation location, dig a small hole in the ground below the limit screw (17), and rotate the limit screw (17) so that the lower end of the limit screw (17) is inserted into the small hole to achieve positioning; S2. According to the outer diameter of the cable (A), adjust the distance between the second displacement plate (8) and the third displacement plate (11) so that the distance between the two displacement plates is greater than the outer diameter of the cable (A); S3, using the cable moving assembly to clamp the cable (A) and transmit the cable (A) to the distance between the two displacement plates; S4. Tie a rope to the right end of the cable (A) and move the right end of the cable (A) to the installation platform above the limiting slot plate (4); S5. Install multiple cable moving assemblies at the end of the cable (A) on the installation platform to transfer the cable on the installation platform; and install multiple cable moving assemblies on the cable (A) on the left side of the bottom plate (1) to transfer the cable (A) to the position between the two displacement plates.

9. The construction method of a power transmission and transformation line cable laying auxiliary device according to claim 8, characterized in that: The cable moving assembly comprises a clamp (18), a displacement wheel (20) and a handle (23); a sleeve (21) is arranged on the top of the displacement wheel (20); a displacement column (22) is inserted in the sleeve (21); the sleeve (21) and the displacement column (22) are fixedly connected together by bolts; a first connecting plate (19) is arranged on the top of the displacement column (22); a clamp (18) is hinged on the top of the first connecting plate (19); and handles (23) are rotatably connected to the outer walls on both sides of the clamp (18).

10. The construction method of a power transmission and transformation line cable laying auxiliary device according to claim 9, characterized in that: The clamp (18) is made of two semicircular arc-shaped plates, and each arc-shaped plate is hinged to the first connecting plate (19) respectively, and the two arc-shaped plates are fixedly connected together by bolts.

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