Line crossing protection device under power line construction

Abstract

The utility model provides an electric power line construction undercrossing line protection device, relates to the electric power line construction appliance technical field, and comprises a support plate and a support assembly, the two end faces of the support plate are respectively provided with a first threaded hole and a second threaded hole, the first threaded hole and the second threaded hole are communicated and connected, and the support assembly is provided with a through hole. A first adjusting screw is spirally connected into the first threaded hole, a first limiting ring is mounted at the top end of the first adjusting screw, a second adjusting screw is spirally connected into the second threaded hole, a second limiting ring is mounted at the top end of the second adjusting screw, and inlets and outlets are formed in the surfaces of the first limiting ring and the second limiting ring. Through the cooperative use of the supporting plate, the first threaded hole, the second threaded hole, the first adjusting screw rod, the second adjusting screw rod, the first limiting ring and the second limiting ring, the protection of the undercrossing line during the construction of the electric power line is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power line construction appliance technology, especially to power line construction undercrossing line protection device. BACKGROUND

[0002] In the power transmission line maintenance work, the work of replacing the ground wire and removing the ground wire is often encountered, and how to handle and protect the undercrossing 10kV and above power line is often a core problem in the work.

[0003] In the past construction, the loose line method is often used for treatment, and the loose line method is to loosen the undercrossing line to the ground before the main construction, and then restore the undercrossing line after the completion of the main construction. This method is safe and reliable, but the construction is complex, time-consuming and costly, and has requirements for the construction environment.

[0004] Therefore, it is necessary to provide a power line construction undercrossing line protection device to solve the above technical problems. SUMMARY

[0005] The utility model provides power line construction undercrossing line protection device, solved the problem in the prior art.

[0006] To solve the above technical problems, the power line construction undercrossing line protection device provided by the utility model comprises a support plate and a support assembly, first threaded holes and second threaded holes are formed in the end faces of the support plate respectively, the first threaded holes and the second threaded holes are connected in penetration, a first adjusting screw is spirally connected in the first threaded hole, a first limiting ring is installed at the top end of the first adjusting screw, a second adjusting screw is spirally connected in the second threaded hole, a second limiting ring is installed at the top end of the second adjusting screw, import and export are formed in the surfaces of the first limiting ring and the second limiting ring, the cooperation of the support plate, the first threaded hole, the second threaded hole, the first adjusting screw, the second adjusting screw, the first limiting ring and the second limiting ring is convenient for protecting the undercrossing line during power line construction, so that when operating, the operator opens the import and export of the second limiting ring, then puts the undercrossing line into the second limiting ring, and then presses the undercrossing line downward through the support plate, so that the construction line can be threaded through the first limiting ring for threading construction during subsequent power line construction, this way is simple to operate, the support plate can be conveniently divided to well protect the undercrossing line, and the distance between the first limiting ring and the second limiting ring can be adjusted through the cooperation of the first adjusting screw and the first threaded hole, this way is simple to operate and can improve the flexibility of use.

[0007] Preferably, the support assembly is internally provided with a threaded support cylinder, threaded adjusting columns are spirally inserted at both ends of the threaded support cylinder, and a threaded seat is arranged at the middle position of the surface of the support plate, and the adjusting threaded columns are spirally connected with the threaded seat, by arranging the support assembly, the distance between the two support plates can be adjusted and supported, during line construction, the construction line can be supported, which is convenient for subsequent construction operation, and by cooperation of the adjusting threaded columns and the threaded support cylinder, the length of the support assembly can be adjusted, and the operation is simple, and the use flexibility is improved.

[0008] Preferably, the inner walls of the first limiting ring and the second limiting ring are provided with mounting seats on one side of the inlet and outlet, arc-shaped limiting plates are movably mounted in the mounting seats through pin shafts, support springs are arranged on the outer surfaces of the two arc-shaped limiting plates, and the other ends of the two support springs are fixed to the inner walls of the first limiting ring and the second limiting ring, respectively, by cooperation of the inlet and outlet, the arc-shaped limiting plates and the support springs, the first limiting ring can be conveniently closed and opened.

[0009] Preferably, the inner walls of the first limiting ring and the second limiting ring are provided with rubber pads, by arranging the rubber pads, hard contact between the first limiting ring, the second limiting ring and the conductive wire is avoided, and the conductive wire is protected.

[0010] Preferably, third threaded holes are formed in the circumferential surfaces of the first limiting ring and the second limiting ring, and steel forks are spirally arranged in the third threaded holes, by arranging the second threaded holes and the steel forks, when the line is maintained on the ground, the staff can pass the protected conductive line through the second limiting ring, then spirally insert the steel forks into the third threaded holes in the surface of the second limiting ring, then drive the steel forks to be inserted into the ground, and the conductive line is fixed and separated, by spirally connecting the steel forks with the first limiting ring and the second limiting ring, the use flexibility is improved.

[0011] Preferably, anti-skid convex grains are arranged on the circumferential surfaces of the threaded support cylinder, by arranging the anti-skid convex grains, the anti-skid performance of the support assembly is improved, and the support assembly is convenient to operate.

[0012] Compared with the related art, the power line construction under-cross line protection device has the following beneficial effects:

[0013] Compared with the prior art, the power line construction under-cross line protection device, by setting the support plate, the first threaded hole, the second threaded hole, the first adjusting screw, the second adjusting screw, the first limiting ring and the second limiting ring are used in cooperation, the under-cross line is protected during the power line construction, so that when operating, the staff opens the inlet and outlet of the second limiting ring, then the under-cross line is inserted into the second limiting ring, then the under-cross line is pressed downward by the support plate, so that during the subsequent power line construction, the construction line can be threaded through the first limiting ring for threading construction, which is simple in operation, convenient for separating and protecting the under-cross line by the segmentation of the support plate, and the distance between the first limiting ring and the second limiting ring is adjusted by the cooperation of the first adjusting screw and the first threaded hole, which is simple in operation and facilitates the flexibility of use.

[0014] Compared with the prior art, the power line construction under-cross line protection device, by setting the support assembly, the distance between the two support plates is adjusted and supported, the construction line can be supported during the line construction, facilitating the subsequent construction operation, and the length of the support assembly is adjusted by the cooperation of the adjusting threaded column and the threaded support cylinder, which is simple in operation and facilitates the flexibility of use.

[0015] Compared with the prior art, the power line construction under-cross line protection device, by setting the second threaded hole and the steel fork, the staff can thread the protected conductive line through the second limiting ring during ground maintenance, then the steel fork is screwedly inserted into the third threaded hole on the surface of the second limiting ring, then the steel fork is driven to be inserted into the ground to be fixed and separated, and the steel fork is screwedly connected with the first limiting ring and the second limiting ring, facilitating the flexibility of use.

[0016] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of the power line construction under-cross line protection device is provided.

[0018] Figure 2 The first limiting ring structure diagram of the power line construction under-cross line protection device is provided.

[0019] Figure 3 The support plate structure diagram of the power line construction under-cross line protection device is provided.

[0020] Figure 4 The threaded support cylinder structure diagram of the power line construction under-cross line protection device is provided.

[0021] Reference signs in the figures:

[0022] 1, support plate; 2, first adjusting screw; 3, first limiting ring; 4, second adjusting screw; 5, second limiting ring; 6, threaded seat; 7, support assembly; 8, inlet and outlet; 9, arc limiting plate; 10, mounting seat; 11, supporting spring; 12, first threaded hole; 13, adjusting threaded column; 14, threaded support cylinder; 15, anti-skid convex grain; 16, third threaded hole; 17, steel fork. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] First embodiment

[0025] Please refer to Figures 1-4 , power line construction under the line protection device, including support plate 1 and support assembly 7, the support plate 1 both ends are provided with first threaded hole 12 and second threaded hole respectively, first threaded hole 12 and second threaded hole are connected in penetration, the first threaded hole 12 is spirally connected with first adjusting screw 2 in, the first adjusting screw 2 top is installed with first limiting ring 3, the second threaded hole is spirally connected with second adjusting screw 4 in, the second adjusting screw 4 top is installed with second limiting ring 5, the first limiting ring 3 and second limiting ring 5 surface are provided with inlet and outlet 8, by setting support plate 1, first threaded hole 12, second threaded hole, first adjusting screw 2, second adjusting screw 4, first limiting ring 3 and second limiting ring 5 are used in cooperation, it is convenient to protect under the line when power line construction, so that when operating, staff open the inlet and outlet 8 of second limiting ring 5, then put under the line into second limiting ring 5 inside, then press under the line by support plate 1, so that in subsequent power line construction, the construction line can be threaded through first limiting ring 3 and threaded construction, this mode is simple to operate, it is convenient to separate protection under the line by the segmentation of support plate 1, and by the cooperation of first adjusting screw 2 and first threaded hole 12, it is convenient to adjust the distance between first limiting ring 3 and second limiting ring 5, this mode is simple to operate, and it is convenient to improve the flexibility of its use.

[0026] The working principle of the power line construction under-cross line protection device provided by the utility model is as follows:

[0027] The power line construction undercrossing line protection device, in operation, the staff opens the inlet and outlet 8 of the second limiting ring 5, then puts the undercrossing line into the second limiting ring 5, and then presses the undercrossing line downward through the support plate 1, so that the construction line can be threaded through the first limiting ring 3 for threading construction in subsequent power line construction, which is simple in operation and convenient for separating protection of the undercrossing line through the division of the support plate 1, and the distance between the first limiting ring 3 and the second limiting ring 5 can be adjusted through the cooperation of the first adjusting screw 2 and the first threaded hole 12, which is simple in operation and convenient for improving the flexibility of use, the distance between the two support plates 1 can be adjusted and supported through the support assembly 7, the construction line can be supported during line construction, which is convenient for subsequent construction operation, and the length of the support assembly 7 can be adjusted through the cooperation of the adjusting threaded column 13 and the threaded support cylinder 14, which is simple in operation and convenient for improving the flexibility of use, the second threaded hole and the steel fork 17 are arranged, so that the staff can put the protected conductive line through the second limiting ring 5 during ground maintenance, then screw the steel fork 17 into the third threaded hole 16 on the surface of the second limiting ring 5, then drive the steel fork 17 to be inserted into the ground to be fixed and separated, and the steel fork 17 is screw-connected with the first limiting ring 3 and the second limiting ring 5, so as to improve the flexibility of use.

[0028] Compared with the related art, the power line construction undercrossing line protection device has the following beneficial effects:

[0029] The power line construction undercrossing line protection device is convenient for protecting the undercrossing line during power line construction, and makes the operation simple, and the undercrossing line can be separated and protected by the division of the support plates 1. The distance between the first limiting ring 3 and the second limiting ring 5 can be adjusted by the cooperation of the first adjusting screw 2 and the first threaded hole 12, so that the flexibility in use is improved. The distance between the two support plates 1 can be adjusted and supported by the support assembly 7, the construction line can be supported during line construction, and the subsequent construction operation is facilitated. The length of the support assembly 7 can be adjusted by the cooperation of the adjusting threaded column 13 and the threaded support cylinder 14, so that the flexibility in use is improved. The second threaded hole and the steel fork 17 are arranged, so that the protected conductive line can pass through the second limiting ring 5 during ground maintenance, and then the steel fork 17 is screwedly inserted into the third threaded hole 16 on the surface of the second limiting ring 5, and then the steel fork 17 is driven to be inserted into the ground to be fixed and separated and protected. The steel fork 17 is screwedly connected with the first limiting ring 3 and the second limiting ring 5, so that the flexibility in use is improved.

[0030] Second embodiment

[0031] Please refer to Figures 1-4 , based on the power line construction undercrossing line protection device provided by the first embodiment of the application, the second embodiment of the application provides another power line construction undercrossing line protection device. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0032] On the basis of the first embodiment, refer to Figures 1-4 , the support assembly 7 is internally provided with a threaded support cylinder 14, the threaded support cylinder 14 is screwedly inserted with an adjusting threaded column 13 at both ends, the support plate 1 is provided with a threaded seat 6 at the middle position of the surface, and the adjusting threaded column 13 is screwedly connected with the threaded seat 6. By arranging the support assembly 7, the distance between the two support plates 1 can be adjusted and supported, the construction line can be supported during line construction, and the subsequent construction operation is facilitated. The length of the support assembly 7 can be adjusted by the cooperation of the adjusting threaded column 13 and the threaded support cylinder 14, so that the flexibility in use is improved.

[0033] On the basis of embodiment one, referring to Figures 1-4 , the inner wall of the first limiting ring 3 and the second limiting ring 5 is provided with a mounting seat 10 on one side of the inlet and outlet 8, the arc-shaped limiting plate 9 is movably mounted in the mounting seat 10 through a pin shaft, the outer side surface of the two arc-shaped limiting plates 9 is provided with a supporting spring 11, and the other end of the two supporting springs 11 is fixed with the inner wall of the first limiting ring 3 and the second limiting ring 5. Through the cooperation of the inlet and outlet 8, the arc-shaped limiting plate 9 and the supporting spring 11, the closing and opening of the first limiting ring 3 is facilitated.

[0034] On the basis of embodiment one, referring to Figures 1-4 , the inner wall of the first limiting ring 3 and the second limiting ring 5 is provided with a rubber pad. By arranging the rubber pad, the hard contact between the first limiting ring 3 and the second limiting ring 5 and the conductive wire is avoided, and the protection of the conductive wire is facilitated.

[0035] On the basis of embodiment one, referring to Figures 1-4 , the third threaded hole 16 is spirally provided with a steel fork 17 in the inside. By arranging the second threaded hole and the steel fork 17, when the line is overhauled on the ground, the staff can pass the protected conductive line through the second limiting ring 5, then spirally insert the steel fork 17 into the third threaded hole 16 on the surface of the second limiting ring 5, and then drive the steel fork 17 to be inserted into the ground to be fixed and separated for protection. By spirally connecting the steel fork 17 with the first limiting ring 3 and the second limiting ring 5, the flexibility of use is improved.

[0036] On the basis of embodiment one, referring to Figures 1-4 , the anti-skid convex particles 15 are arranged on the circumferential side of the threaded supporting barrel 14. By arranging the anti-skid convex particles 15, the anti-skid performance of the supporting assembly 7 is improved, and the operation is facilitated.

[0037] It should be noted that all kinds of components used in the present application are standard components and can be purchased from the market. The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the existing technology. The mechanical parts and electrical equipment adopt the conventional type in the existing technology. The circuit connection adopts the conventional connection mode in the existing technology. The electrical equipment is in communication with the safe power supply outside, and the specific description is not made here.

[0038] The above only describes the embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A protection device for power line construction underpasses, comprising a support plate (1) and a support assembly (7), characterized in that, The support plate (1) has a first threaded hole (12) and a second threaded hole on its two ends respectively. The first threaded hole (12) and the second threaded hole are connected through each other. The first threaded hole (12) is screwed with a first adjusting screw (2). The first adjusting screw (2) is equipped with a first limiting ring (3) at its top end. The second threaded hole is screwed with a second adjusting screw (4). The second adjusting screw (4) is equipped with a second limiting ring (5) at its top end. The first limiting ring (3) and the second limiting ring (5) have inlets and outlets (8) on their surfaces.

2. The power line construction underpass protection device according to claim 1, characterized in that, The support assembly (7) is provided with a threaded support cylinder (14) inside. The threaded support cylinder (14) is screwed with adjusting threaded columns (13) at both ends. The support plate (1) is provided with a threaded seat (6) at the middle position of its surface. The adjusting threaded column (13) is screwed to the threaded seat (6).

3. The power line construction underpass protection device according to claim 1, characterized in that, The inner walls of the first limiting ring (3) and the second limiting ring (5) are equipped with mounting bases (10) on the side of the inlet and outlet (8). An arc-shaped limiting plate (9) is movably mounted inside the mounting base (10) via a pin. Supporting springs (11) are provided on the outer surfaces of the two arc-shaped limiting plates (9). The other ends of the two supporting springs (11) are fixed to the inner walls of the first limiting ring (3) and the second limiting ring (5), respectively.

4. The power line construction underpass protection device according to claim 1, characterized in that, Rubber pads are provided on the inner walls of the first limiting ring (3) and the second limiting ring (5).

5. The power line construction underpass protection device according to claim 1, characterized in that, The first limiting ring (3) and the second limiting ring (5) have a third threaded hole (16) on their circumferential side, and a steel fork (17) is spirally arranged inside the third threaded hole (16).

6. The power line construction underpass protection device according to claim 2, characterized in that, The threaded support cylinder (14) has anti-slip protrusions (15) on its peripheral side.

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