Isolation device for power overhead line construction

Abstract

The utility model discloses an isolation device for construction of an electric power overhead line, which comprises an overhead line body and an isolation plate, the isolation plate is an annular plate with a notch at the upper end, the overhead line body is positioned at the axis of the isolation plate, and connecting plates are fixedly connected to two sides of the isolation plate at the position of the notch. The two connecting plates are connected through a locking mechanism, the locking mechanism is composed of a plurality of locking assemblies, through the designed isolation plate, isolation protection can be carried out on an overhead line body of a construction road section where too many branches exist in the air, the situation that the overhead line body is damaged due to swinging of the branches when strong wind blows is avoided, and the safety of the overhead line body is improved. And meanwhile, an internal buffer pad and an external buffer pad which are arranged on the inner side and the outer side of the isolation plate can play a role in double buffering, the overhead line body is further protected, and an anti-retreating mechanism is arranged, so that the situation that the nut and the screw automatically loosen after being used for a long time can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of overhead line construction, in particular to an isolation device for power overhead line construction. Background Art

[0002] Overhead power lines mainly refer to overhead lines that are erected above the ground. They are transmission lines that use insulators to fix the transmission wires on towers erected on the ground to transmit electrical energy.

[0003] During overhead power line construction in urban areas, tree trunks often exist along the construction route. While these trunks normally pose no interference to the overhead lines, strong winds can cause the branches of these trees to sway and collide with the overhead lines, potentially damaging them. Therefore, an isolation device for overhead power line construction has been proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide an isolation device for overhead power line construction to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an isolation device for the construction of overhead power lines, comprising an overhead line body and an isolation plate, the isolation plate being an annular plate with a notch at the upper end, the overhead line body being located at the axis of the isolation plate, and connecting plates being fixedly connected on both sides of the isolation plate at the notch position, the two connecting plates being connected by a locking mechanism, the locking mechanism being composed of a plurality of locking components, the locking component being composed of a screw, a nut and a nut, the screw slidingly passing through a through hole provided in two connecting plates, one end of the screw being fixedly connected with a nut, the other set of the screw being provided with a nut and being connected to the nut by threaded fit, the connecting plate being provided with an anti-retreat mechanism acting on the locking component.

[0006] As a further preferred embodiment of the present technical solution, the isolation plate is made of elastic material, and the inner diameter of the isolation plate is larger than the diameter of the overhead line body.

[0007] As a further preferred embodiment of the present technical solution, the plurality of locking assemblies are arranged in a linear array.

[0008] As a further preferred embodiment of the present technical solution, the anti-retreat mechanism is composed of a first anti-retreat component acting on the screw and a second anti-retreat component acting on the nut, the first anti-retreat component includes a limiting groove, the nut is a regular hexagonal structure, and a limiting groove that slides in engagement with the nut is provided on the side wall of the connecting plate adjacent to the nut.

[0009] As a further preferred embodiment of the present technical solution, the second anti-retreat component is composed of a limit plate, a movable side plate, a spring and a fixed plate. A limit plate is provided on the other connecting plate, and the limit plate slides through a slide groove provided on the connecting plate. The movable side plate is fixedly connected to the side wall of one end of the limit plate close to the other connecting plate, and multiple springs are fixedly connected to the side wall of the movable side plate. The other ends of the multiple springs are fixedly connected to the fixed plate, and the fixed plate is fixedly connected to the connecting plate.

[0010] As a further preferred embodiment of the present technical solution, the fixing plate is an L-shaped structure.

[0011] As a further preferred embodiment of the present technical solution, a built-in buffer pad is provided on the inner ring side wall of the isolation plate, and an external buffer pad is provided on the outer ring side wall of the isolation plate.

[0012] The utility model provides an isolation device for overhead power line construction, which has the following beneficial effects:

[0013] The utility model can isolate and protect the overhead line body of the construction section where there are too many branches in the air through the designed isolation plate, so as to prevent the branches from swaying and causing damage to the overhead line body when strong winds blow. At the same time, the built-in buffer pads and external buffer pads arranged on the inner and outer sides of the isolation plate can play a double buffering role, further protecting the overhead line body, and the anti-retreat mechanism can prevent the nuts and screws from automatically loosening after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic structural diagram of the locking assembly in the present utility model;

[0016] Figure 3 This is a structural diagram of the locking assembly in the present invention from another perspective;

[0017] Figure 4 For this utility model Figure 2 Schematic diagram of the structure of A;

[0018] Figure 5 For this utility model Figure 3 Schematic diagram of the structure of B;

[0019] In the figure: 1. Overhead line body; 2. Isolation plate; 3. Internal buffer pad; 4. External buffer pad; 5. Connecting plate; 6. Through hole; 7. Screw; 8. Nut; 9. Nut; 10. Limiting groove; 11. Limiting plate; 12. Movable side plate; 13. Spring; 14. Fixed plate; 15. Slide groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figures 1 to 5 As shown, in this embodiment, an isolation device for construction of an overhead power line includes an overhead line body 1 and an isolation plate 2. The isolation plate 2 is an annular plate with a notch at the upper end. The isolation plate 2 is made of elastic material. The inner diameter of the isolation plate 2 is larger than the diameter of the overhead line body 1. The overhead line body 1 is located at the axis of the isolation plate 2. Connecting plates 5 are fixedly connected on both sides of the notch on the isolation plate 2. The two connecting plates 5 are connected by a locking mechanism. The locking mechanism is composed of a plurality of locking components. The plurality of locking components are in a linear array. The locking component is composed of a screw 7, a nut 8 and a nut 9. The screw 7 slides through a through hole 6 provided in the two connecting plates 5. One end of the screw 7 is fixedly connected to the nut 8. The other set of the screw 7 is provided with a nut 9 and is connected to the nut 9 by threaded fit. The connecting plate 5 is provided with an anti-retreat mechanism acting on the locking component.

[0022] Among them, the anti-retreat mechanism consists of a first anti-retreat component acting on the screw 7 and a second anti-retreat component acting on the nut 9. The first anti-retreat component includes a limiting groove 10. The nut 8 is a regular hexagonal structure. The side wall of the connecting plate 5 adjacent to the nut 8 is provided with a limiting groove 10 that slides in engagement with the nut 8.

[0023] The second anti-retreat assembly consists of a limit plate 11, a movable side plate 12, a spring 13 and a fixed plate 14. A limit plate 11 is provided on the other connecting plate 5. The limit plate 11 slides through the slide groove 15 opened on the connecting plate 5. The movable side plate 12 is fixedly connected to the side wall of the limit plate 11 close to the other connecting plate 5. A plurality of springs 13 are fixedly connected to the side wall of the movable side plate 12. The other end of the plurality of springs 13 is fixedly connected to the fixed plate 14. The fixed plate 14 is an L-shaped structure and is fixedly connected to the connecting plate 5.

[0024] During use, under the pressure of the spring 13, the movable side plate 12 will rest against the connecting plate 5. At this time, the other end of the limit plate 11 will just extend a small section. The extended small section of the limit plate 11 can limit the side end of the nut 9 to prevent it from rotating after installation, thereby completing the anti-retreat treatment of the nut 9, and the nut 8 on the screw 7 can be stuck in the limiting groove 10, thereby completing the anti-retreat treatment of the screw 7, and then ensuring that the locking assembly will not loosen after installation.

[0025] Wherein, a built-in buffer pad 3 is provided on the inner ring side wall of the isolation plate 2, and an external buffer pad 4 is provided on the outer ring side wall of the isolation plate 2.

[0026] The external buffer pad 4 can alleviate the impact of the isolation plate 2 caused by the outside world, and the internal buffer pad 3 can alleviate the impact on the overhead line body 1. Under the buffering effect of the double-layer buffer pad, the overhead line body 1 can be effectively protected.

[0027] The utility model provides an isolation device for overhead power line construction, and the specific working principle is as follows:

[0028] During use, when there are too many branches in the air of the construction section, the isolation plate 2 can be opened along the notch of the isolation plate 2, and then the overhead line body 1 can be placed inside the isolation plate 2, and then the screw 7 can be inserted into the through hole 6 of the two connecting plates 5, and the screw 7 can be locked by the nut 9. The nut 9 and the nut 8 will squeeze the two connecting plates 5 against each other, so that they are close to each other, so that the inner wall of the isolation plate 2 presses the overhead line body 1, thereby fixing the isolation plate 2 on the overhead line body 1. The isolation plate 2 can isolate the overhead line body 1 to prevent the branches in the air from damaging the overhead line body 1 when swinging. At the same time, the built-in buffer pad 3 and the external buffer pad 4 arranged on the inside and outside of the isolation plate 2 can play a double buffering role, further protecting the overhead line body 1, and the anti-retreat mechanism can prevent the nut 9 and the screw 7 from automatically loosening after long-term use.

[0029] Specific working principle of anti-retreat mechanism:

[0030] Under the pressure of the spring 13, the movable side plate 12 will rest on the connecting plate 5. At this time, the other end of the limit plate 11 will just extend a small section. After the nut 9 is installed, one side wall of the nut 9 is kept parallel to the limit plate 11. The small section of the limit plate 11 that extends out can limit the side wall of the nut 9 to prevent it from rotating after installation, thereby completing the anti-retreat treatment of the nut 9. Since the limit plate 11 can slide in the slide groove 15, when installing the nut 9, the limit plate 11 can be pressed into the slide groove 15 to prevent the limit plate 11 from interfering with the installation of the nut 9, and the nut 8 on the screw rod 7 can be stuck in the limit groove 10, thereby completing the anti-retreat treatment of the screw rod 7, thereby ensuring that the locking assembly will not loosen after installation.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An isolation device for overhead power line construction, comprising an overhead line body (1) and an isolation plate (2), characterized in that: The isolation plate (2) is an annular plate with a notch at the upper end. The overhead line body (1) is located at the axis of the isolation plate (2). Connecting plates (5) are fixedly connected on both sides of the notch on the isolation plate (2). The two connecting plates (5) are connected by a locking mechanism. The locking mechanism is composed of a plurality of locking components. The locking component is composed of a screw (7), a nut (8) and a nut (9). The screw (7) slides through the through hole (6) provided in the two connecting plates (5). One end of the screw (7) is fixedly connected to the nut (8). The other set of the screw (7) is provided with a nut (9) and is connected to the nut (9) through threaded engagement. The connecting plate (5) is provided with an anti-retraction mechanism that acts on the locking component.

2. An isolation device for overhead power line construction according to claim 1, characterized in that: The isolation plate (2) is made of elastic material, and the inner diameter of the isolation plate (2) is larger than the diameter of the overhead line body (1).

3. The isolation device for overhead power line construction according to claim 1, characterized in that: The plurality of locking assemblies are arranged in a linear array.

4. The isolation device for overhead power line construction according to claim 1, characterized in that: The anti-retreat mechanism is composed of a first anti-retreat component acting on the screw (7) and a second anti-retreat component acting on the nut (9), the first anti-retreat component includes a limiting groove (10), the nut (8) is a regular hexagonal structure, and a limiting groove (10) is provided on the side wall of the connecting plate (5) adjacent to the nut (8) and is slidably engaged with the nut (8).

5. An isolation device for overhead power line construction according to claim 4, characterized in that: The second anti-retraction component consists of a limit plate (11), a movable side plate (12), a spring (13) and a fixed plate (14). A limit plate (11) is provided on the other connecting plate (5). The limit plate (11) slides through a slide groove (15) provided on the connecting plate (5). The limit plate (11) is fixedly connected to the movable side plate (12) on the side wall of one end close to the other connecting plate (5). A plurality of springs (13) are fixedly connected to the side wall of the movable side plate (12). The other ends of the plurality of springs (13) are fixedly connected to the fixed plate (14). The fixed plate (14) is fixedly connected to the connecting plate (5).

6. An isolation device for overhead power line construction according to claim 5, characterized in that: The fixing plate (14) is an L-shaped structure.

7. An isolation device for overhead power line construction according to claim 1, characterized in that: An internal buffer pad (3) is provided on the inner ring side wall of the isolation plate (2), and an external buffer pad (4) is provided on the outer ring side wall of the isolation plate (2).

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