Overhead power line protection fitting

Abstract

The utility model relates to the technical field of protection fittings, and discloses an overhead power line protection fitting, which comprises a protection block and a spacing plate, a vertical plate is fixed at the middle position in the protection block, and the outer side wall of a buffer column is connected with a second buffer spring. The vertical plate is fixedly installed in the middle of the interior of the protection block, the spacing plate can be pushed to move after the electric telescopic rod works so as to adjust the leakage degree of the spacing plate, the sliding blocks are fixedly installed at the top end and the bottom end of the side edge of the spacing plate, and therefore sliding guiding is formed after the sliding blocks and the guide rails are matched with each other. When the sliding block moves to the position of the outermost edge, the buffering plate can make contact with the inner wall of the protection block to form soft protection, meanwhile, the first buffering spring and the second buffering spring are matched to form elastic contraction, the buffering column moves in the adjusting groove, and therefore moving protection is formed. Therefore, the overall protection and adjustment capability is well improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of protective hardware, in particular to an overhead power line protective hardware. Background Art

[0002] Overhead power lines are transmission lines that use insulators to fix transmission wires on towers erected on the ground to transmit electric energy. This type of line is mainly erected above the ground, and the conductors and ground wires are lifted off the ground by insulators and towers to achieve the transmission and distribution of electric energy. It has the advantages of convenient maintenance and simple erection.

[0003] Based on the application of overhead power lines, in order to protect its electrical lines, protective hardware is needed to protect the electrical or mechanical properties of various electrical devices or hardware themselves. One category of protective hardware includes interval protection for output lines. Based on the different installations of overhead power lines, there will be different interval protection requirements. Therefore, if its adjustment ability is poor, it will directly affect the convenience of protection. Utility Model Content

[0004] The purpose of the utility model is to provide an overhead power line protection fitting to solve the problem proposed in the above background technology that different interval protection requirements may exist based on the installation of different overhead power lines. Therefore, if the adjustment capability is poor, it is easy to directly affect the convenience of protection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an overhead power line protection fitting, comprising a protection block and a partition plate, a vertical plate is fixed at the middle position inside the protection block, electric telescopic rods are installed on both sides of the vertical plate, one side of the electric telescopic rod is connected to the partition plate, guide rails are installed at positions near the top and bottom ends of both sides of the vertical plate, a slider is installed at the top and bottom ends of one side of the partition plate, an adjustment groove is opened inside the slider, a first buffer spring is installed on one side of the inner wall of the adjustment groove, a buffer column is connected to one side of the first buffer spring, a buffer plate is fixed to one side of the buffer column, and a second buffer spring is connected to the outer wall of the buffer column.

[0006] Preferably, a through hole is provided inside the sliding block near the top end, and a sliding guide connection is formed between the through hole and the guide rail.

[0007] Preferably, the sliding blocks are symmetrically distributed about the central axis of the partition plate, and the guide rails are symmetrically distributed about the central axis of the vertical plate.

[0008] Preferably, the electric telescopic rods are symmetrically distributed about the central axis of the protection block, and an elastic connection is formed between one side of the adjustment slot and the buffer column.

[0009] Preferably, reserved grooves are provided inside both sides of the protection block, the top and bottom ends of the reserved grooves are connected to embedded grooves, and balls are embedded inside the embedded grooves.

[0010] Preferably, the reserved grooves are symmetrically distributed about the central axis of the protection block, and the embedded grooves are evenly distributed at the top and bottom ends of the reserved grooves.

[0011] Preferably, a circular groove is formed inside the partition plate, the top and bottom ends of the inner wall of the circular groove are connected with a retaining spring, one end of the retaining spring is connected with a clamping plate, and a protective pad is bonded and connected to the inner wall of the clamping plate.

[0012] Preferably, the outer side wall of the retaining spring is coated with a first isolation layer, the outer side wall of the first isolation layer is coated with an insulating protective layer, and the retaining spring is evenly distributed at the top and bottom ends inside the circular groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the overhead power line protection hardware not only improves the protection adjustment capability, but also improves the contact protection capability and clamping protection capability of the protection hardware;

[0014] (1) By installing and fixing the vertical plate in the middle position of the protection block, the partition plate can be pushed to move after the electric telescopic rod is working, so as to adjust the leakage degree of the partition plate, and the sliders are fixed at the top and bottom ends of the side of the partition plate, so that the slider and the guide rail cooperate with each other to form a sliding guide, so that it has the ability of stable adjustment, and at the same time, an adjustment groove is opened inside the slider, when the slider moves to the edge position, the buffer plate can contact the inner wall of the protection block to form soft protection, and at the same time, the first buffer spring and the second buffer spring cooperate with each other to form elastic contraction, and the buffer column moves inside the adjustment groove, so as to form mobile protection, thereby better improving the overall protection adjustment ability during the working process;

[0015] (2) By opening a reserved groove inside both sides of the protection block, the reserved groove is used for the insertion of the spacer plate, and an embedding groove is opened at the top and bottom of the reserved groove. The embedded groove is embedded with a ball. Therefore, when the spacer plate moves, the upper and lower positions of the spacer plate will contact the ball and roll, thereby better improving the overall mobile protection capability during the working process;

[0016] (3) A circular groove is opened inside the spacer plate, and a retaining spring is installed at the top and bottom of the circular groove. The first isolation layer and the insulating protection layer are coated on the outer wall of the retaining spring in sequence. The two layers cooperate with each other to form insulating protection. When the retaining spring and the clamping plate are connected to each other, the clamping plate can be used to support and protect the line, thereby improving the overall limit protection during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial side cross-sectional structure of a protection block of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the retaining spring of the utility model;

[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0021] In the figure: 1. protection block; 2. guide rail; 3. vertical plate; 4. electric telescopic rod; 5. partition plate; 6. circular groove; 7. retaining spring; 8. reserved groove; 9. slider; 10. clamping plate; 11. protective pad; 12. embedded groove; 13. ball bearing; 14. first isolation layer; 15. insulating protection layer; 16. first buffer spring; 17. adjustment groove; 18. buffer column; 19. second buffer spring; 20. buffer plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: an overhead power line protection hardware, including a protection block 1 and a partition plate 5, a vertical plate 3 is fixed at the middle position inside the protection block 1, electric telescopic rods 4 are installed on both sides of the vertical plate 3, one side of the electric telescopic rod 4 is connected to the partition plate 5, guide rails 2 are installed at positions near the top and bottom ends of both sides of the vertical plate 3, a slider 9 is installed at the top and bottom ends of one side of the partition plate 5, an adjusting groove 17 is opened inside the slider 9, a first buffer spring 16 is installed on one side of the inner wall of the adjusting groove 17, a buffer column 18 is connected to one side of the first buffer spring 16, a buffer plate 20 is fixed to one side of the buffer column 18, and a second buffer spring 19 is connected to the outer wall of the buffer column 18.

[0024] A through hole is provided in the slider 9 near the top, and a sliding guide connection is formed between the through hole and the guide rail 2 .

[0025] The sliders 9 are symmetrically distributed with respect to the central axis of the partition plate 5 , and the guide rails 2 are symmetrically distributed with respect to the central axis of the vertical plate 3 .

[0026] The electric telescopic rod 4 is symmetrically distributed about the central axis of the protection block 1 , and an elastic connection is formed between one side of the adjustment slot 17 and the buffer column 18 .

[0027] Reserved grooves 8 are provided inside the two sides of the protection block 1 , and the top and bottom ends of the reserved grooves 8 are connected to embedded grooves 12 , and balls 13 are embedded inside the embedded grooves 12 .

[0028] The reserved grooves 8 are symmetrically distributed about the central axis of the protection block 1 , and the embedded grooves 12 are evenly distributed at the top and bottom ends of the reserved grooves 8 .

[0029] A circular groove 6 is formed inside the partition plate 5 , and the top and bottom ends of the inner wall of the circular groove 6 are connected with a clamping spring 7 . One end of the clamping spring 7 is connected with a clamping plate 10 , and a protective pad 11 is bonded and connected to the inner wall of the clamping plate 10 .

[0030] The outer wall of the clamp spring 7 is coated with a first isolation layer 14, and the outer wall of the first isolation layer 14 is coated with an insulating protective layer 15. The clamp spring 7 is evenly distributed at the top and bottom ends of the circular groove 6;

[0031] Furthermore, the insulating protection layer 15 can be formed of a polytetrafluoroethylene coating to form an insulating protection;

[0032] Furthermore, the spacer plate 5 and the protection block 1 are both made of insulating material.

[0033] Working principle: First, according to the line protection requirements during operation, the electric telescopic rod 4 can push the partition plate 5 to move after operation, so as to adjust the leakage degree of the partition plate 5. The reserved groove 8 is used for the insertion of the partition plate 5. The top and bottom ends of the reserved groove 8 are provided with embedded grooves 12, and the embedded grooves 12 are embedded with balls 13. Therefore, when the partition plate 5 moves, the upper and lower positions of the partition plate 5 will contact the balls 13 for rolling, and the clamping plate 10 is used to support and protect the line, and the retaining spring 7 serves the purpose of slightly adjusting the gap when in contact, and the line is directly in contact with the protective pad 11 to form a cushion protection, and the first isolation layer 14 and the insulating protection layer 15 are coated on the outer wall of the retaining spring 7 in turn, and the two cooperate with each other to form insulating protection.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An overhead power line protection fitting, comprising a protection block (1) and a spacer plate (5), characterized in that: A vertical plate (3) is fixed at the middle position inside the protection block (1), and electric telescopic rods (4) are installed on both sides of the vertical plate (3), and one side of the electric telescopic rod (4) is connected to the partition plate (5). Guide rails (2) are installed at positions near the top and bottom ends of both sides of the vertical plate (3), and a slider (9) is installed at the top and bottom ends of one side of the partition plate (5). An adjustment groove (17) is opened inside the slider (9), and a first buffer spring (16) is installed on one side of the inner wall of the adjustment groove (17). A buffer column (18) is connected to one side of the first buffer spring (16), and a buffer plate (20) is fixed to one side of the buffer column (18). The outer wall of the buffer column (18) is connected to a second buffer spring (19).

2. The overhead power line protection fitting according to claim 1, characterized in that: A through hole is provided inside the slider (9) near the top end, and a sliding guide connection is formed between the through hole and the guide rail (2).

3. The overhead power line protection fitting according to claim 1, characterized in that: The sliding blocks (9) are symmetrically distributed with respect to the central axis of the partition plate (5), and the guide rails (2) are symmetrically distributed with respect to the central axis of the vertical plate (3).

4. The overhead power line protection fitting according to claim 1, characterized in that: The electric telescopic rod (4) is symmetrically distributed about the central axis of the protection block (1), and an elastic connection is formed between one side of the adjustment slot (17) and the buffer column (18).

5. The overhead power line protection fitting according to claim 1, characterized in that: Reserved grooves (8) are provided inside the two sides of the protection block (1), the top and bottom ends of the reserved grooves (8) are connected to embedded grooves (12), and balls (13) are embedded inside the embedded grooves (12).

6. The overhead power line protection fitting according to claim 5, characterized in that: The reserved grooves (8) are symmetrically distributed about the central axis of the protection block (1), and the embedded grooves (12) are evenly distributed at the top and bottom ends inside the reserved grooves (8).

7. The overhead power line protection fitting according to claim 1, characterized in that: A circular groove (6) is provided inside the partition plate (5), the top and bottom ends of the inner wall of the circular groove (6) are connected to a retaining spring (7), one end of the retaining spring (7) is connected to a clamping plate (10), and a protective pad (11) is bonded to the inner wall of the clamping plate (10).

8. The overhead power line protection fitting according to claim 7, characterized in that: The outer wall of the clamping spring (7) is coated with a first isolation layer (14), the outer wall of the first isolation layer (14) is coated with an insulating protective layer (15), and the clamping spring (7) is evenly distributed at the top and bottom ends inside the circular groove (6).

Images