Electric power stay wire fitting

Abstract

The utility model relates to the technical field of circuit tools, in particular to an electric power stay wire fitting. Comprising a tension fitting body, a fixing hoop is arranged on one side of the tension fitting body, an anti-skid rubber pad is arranged on the inner wall of the fixing hoop, two sets of first wire notches are formed in one end of the interior of the tension fitting body, and two sets of second wire notches are formed in the other end of the interior of the tension fitting body; the inner walls of the two first wire notches are each provided with a first anti-abrasion layer in an attached mode, the inner walls of the two second wire notches are each provided with a second anti-abrasion layer in an attached mode, an insulating rectangular plate is arranged in the tension fitting body, two first insulating layers are arranged in the tension fitting body, and a second insulating layer is arranged in the tension fitting body. And two groups of second insulating layers are arranged in the tension fitting main body, and two groups of leakage current sensors are arranged in the tension fitting main body. According to the embodiment of the invention, the use safety of the tension fitting main body is improved, and meanwhile, the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit tools, and particularly relates to a power wire pulling hardware. Background Art

[0002] Hardware fittings are iron or aluminum metal accessories widely used in power transmission lines, collectively referred to as hardware fittings. Most hardware fittings need to withstand greater tensile force during operation, and some hardware fittings must also ensure good electrical contact.

[0003] After searching, in the prior art, Chinese patent application number: CN202022522404.0, application date: 2020-11-04, discloses a power wire pulling hardware, including a U-shaped frame, the inner walls at both ends of the U-shaped frame are provided with a plurality of wire slots 1, the recess of the U-shaped frame is provided with a fixing plate 1 and a fixing plate 2, the fixing plate 1 and the fixing plate 2 are provided with a wire slot 2 on one side close to the inner wall of the U-shaped frame, and the fixing plate 1 and the fixing plate 2 are threadedly connected with a lead screw in the middle. The fixing plate 1 and the fixing plate 2 are moved by rotating the lead screw, which facilitates the close contact between the wire slot 2 and the wire slot 1, and the fixing plate is driven to move by the lead screw, which avoids the need to manually adjust the nuts one by one, and reduces the situation where the heights of the nuts are not on the same horizontal line. Through the notch opened in the U-shaped frame body, the clamp is fixed to the electric pole by bolts.

[0004] However, the device still has the following defects: Although the above embodiment facilitates the fixing of the wires in the wire slot, avoids installing the clamp first and then fixing the wire pull fittings, saves installation time and improves work efficiency, the device is not easy to disassemble and assemble, and has limitations in use. Utility Model Content

[0005] In view of the above problems, the utility model provides an electric wire tensioning fitting, comprising a tension fitting body, a fixed clamp is provided on one side of the tension fitting body, two groups of fixed rectangular plates are provided on the surface of the fixed clamp, two groups of fixing bolts are provided on one side of the fixed clamp, an anti-slip rubber pad is provided on the inner wall of the fixed clamp, two groups of first wire notches are opened at one end of the tension fitting body, and two groups of second wire notches are opened at the other end of the tension fitting body;

[0006] The inner walls of the two groups of the first wire slots are both fitted with a group of first anti-wear layers, the inner walls of the two groups of the second wire slots are both fitted with a group of second anti-wear layers, a support limit rod is penetrated through the surface of the tension hardware body, the other end of the support limit rod is provided with a threaded rod, an insulating rectangular plate is provided inside the tension hardware body, two groups of first insulating layers are provided inside the tension hardware body, two groups of second insulating layers are provided inside the tension hardware body, and two groups of leakage current sensors are provided inside the tension hardware body.

[0007] Furthermore, the tension fitting body is arranged in a U-shaped structure, and a connecting and fixing rod is arranged on one side wall of the tension fitting body, and the connecting and fixing rod is located at the center of the side wall of the tension fitting body.

[0008] Furthermore, the central axis of the connecting and fixing rod and the central axis of the tension hardware body are located on the same straight line, and the fixing hoop is fixedly connected to the end of the connecting and fixing rod and one end away from the tension hardware body.

[0009] Furthermore, the fixed clamp is arranged in a circular ring structure, the anti-slip rubber pad is arranged in a fit with the inner wall of the fixed clamp, a limiting groove is provided on the surface of the fixed clamp, the two groups of fixed rectangular plates are respectively located on both sides of the limiting groove, and the two groups of fixed rectangular plates are movably fitted, and the two groups of fixing bolts pass through the two groups of fixed rectangular plates.

[0010] Furthermore, the support and limit rod is located at one end of the side surface of the tension hardware body, and an adjustment knob is provided at one end of the support and limit rod, and the threaded rod is threadedly connected to the tension hardware body.

[0011] Furthermore, two groups of the first insulating layers are respectively fitted with two groups of the first line notches, and two groups of the second insulating layers are respectively fitted with two groups of the second line notches.

[0012] Furthermore, the two groups of leakage current sensors are symmetrically arranged with the central axis of the tension hardware body as the center, and the two groups of leakage current sensors are respectively arranged in contact with the two groups of first line slots and the two groups of second line slots.

[0013] Furthermore, a weight-reducing cavity is provided inside the tension hardware body, and the weight-reducing cavity is located on one side inside the tension hardware body.

[0014] The beneficial effects of the utility model are:

[0015] 1. By setting two sets of first anti-wear layers and second anti-wear layers and cooperating with the setting of insulating rectangular plates, the friction between the wire and the tension fitting body can be reduced. The setting of the first insulating layer and the second insulating layer can improve the safety performance of the tension fitting body. By setting two sets of leakage current sensors inside the tension fitting body, the safety of the tension fitting body is further improved while achieving the effect of increasing the service life of the equipment.

[0016] 2. The fixed hoop is set in a circular ring structure, two sets of fixed rectangular plates are movably fitted, and two sets of fixing bolts are provided on one side of the fixed hoop. The fixed hoop can be installed on the surface of a columnar rod of different sizes. A non-slip rubber pad is provided on the inner wall of the fixed hoop. The non-slip rubber pad is fitted with the inner wall of the fixed hoop, which improves the installation stability of the fixed hoop and the columnar rod while achieving the effect of improving the practicality of the equipment.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the structure according to an embodiment of the utility model is shown;

[0020] Figure 2 A schematic diagram of a fixed clamp structure according to an embodiment of the utility model is shown;

[0021] Figure 3 A schematic diagram of the support and limiting rod structure according to an embodiment of the utility model is shown;

[0022] Figure 4 A schematic cross-sectional view of a tension fitting according to an embodiment of the utility model is shown.

[0023] In the figure: 1. Tension hardware body; 2. Connecting fixing rod; 3. Fixing clamp; 4. Anti-skid rubber pad; 5. Limiting slot; 6. Fixing rectangular plate; 7. Fixing bolt; 8. First wire slot; 9. Second wire slot; 10. First anti-wear layer; 11. Second anti-wear layer; 12. Support limiting rod; 13. Adjusting knob; 14. Threaded rod; 15. Insulating rectangular plate; 16. First insulating layer; 17. Second insulating layer; 18. Leakage current sensor; 19. Weight reduction cavity. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0025] The utility model embodiment provides a power cable tie fitting, including a tie fitting body 1; illustratively, as Figure 1-4 shown.

[0026] The tension fitting body 1 is arranged in a U-shaped structure, and a connecting and fixing rod 2 is arranged on one side wall of the tension fitting body 1, and the connecting and fixing rod 2 is located at the center of the side wall of the tension fitting body 1, and the central axis of the connecting and fixing rod 2 and the central axis of the tension fitting body 1 are located on the same straight line, and a fixing hoop 3 is arranged on one side of the tension fitting body 1, and the fixing hoop 3 is fixedly connected to the end of the connecting and fixing rod 2 and one end away from the tension fitting body 1;

[0027] The fixed hoop 3 is provided with a circular ring structure, and a limited slot 5 is provided on the surface of the fixed hoop 3. Two groups of fixed rectangular plates 6 are provided on the surface of the fixed hoop 3. The two groups of fixed rectangular plates 6 are respectively located on both sides of the limited slot 5, and the two groups of fixed rectangular plates 6 are movably fitted. Two groups of fixing bolts 7 are provided on one side of the fixed hoop 3, and the two groups of fixing bolts both penetrate the two groups of fixed rectangular plates 6.

[0028] The inner wall of the fixed clamp 3 is provided with an anti-skid rubber pad 4, and the anti-skid rubber pad 4 is fitted with the inner wall of the fixed clamp 3. Two groups of first line slots 8 are opened at one end of the tension hardware body 1, and two groups of second line slots 9 are opened at the other end of the tension hardware body 1. The two groups of first line slots 8 and the two groups of second line slots 9 are symmetrically arranged with the central axis of the tension hardware body 1 as the center, and the inner walls of the two groups of the first line slots 8 are fitted with a group of first anti-wear layers 10.

[0029] Specifically, the fixing hoop 3 is arranged in a circular ring structure, the two groups of the fixing rectangular plates 6 are movably fitted together, and two groups of fixing bolts 7 are provided on one side of the fixing hoop 3, so that the fixing hoop 3 can be installed on the surface of a columnar rod of different sizes, and then an anti-skid rubber pad 4 is provided on the inner wall of the fixing hoop 3. The anti-skid rubber pad 4 is fitted with the inner wall of the fixing hoop 3 to improve the installation stability of the fixing hoop 3 and the columnar rod.

[0030] The inner walls of the two groups of the second linear notches 9 are both fitted with a group of second anti-wear layers 11, and a support and limit rod 12 is penetrated through the surface of the tension hardware body 1, and the support and limit rod 12 is located at one end of the side surface of the tension hardware body 1, and an adjustment knob 13 is provided at one end of the support and limit rod 12, and a threaded rod 14 is provided at the other end of the support and limit rod 12, and the threaded rod 14 is threadedly connected to the tension hardware body 1;

[0031] An insulating rectangular plate 15 is provided inside the tension fitting body 1, and the insulating rectangular plate 15 is slidably engaged with the inside of the tension fitting body 1. Two groups of first insulating layers 16 are provided inside the tension fitting body 1, and the two groups of first insulating layers 16 are respectively fitted with the two groups of first wire slots 8. Two groups of second insulating layers 17 are provided inside the tension fitting body 1, and the two groups of second insulating layers 17 are respectively fitted with the two groups of second wire slots 9.

[0032] Two groups of leakage current sensors 18 are provided inside the tension hardware body 1. The two groups of leakage current sensors 18 are symmetrically arranged with the central axis of the tension hardware body 1 as the center, and the two groups of leakage current sensors 18 are respectively arranged in contact with the two groups of first line slots 8 and the two groups of second line slots 9. A weight reduction cavity 19 is opened inside the tension hardware body 1, and the weight reduction cavity 19 is located on one side of the interior of the tension hardware body 1.

[0033] Specifically, by providing two groups of the first anti-wear layer 10 and the second anti-wear layer 11, in coordination with the insulating rectangular plate 15, the friction between the wire and the tension hardware body 1 can be reduced, and by providing the first insulating layer 16 and the second insulating layer 17, the safety performance of the tension hardware body 1 is improved. By providing two groups of leakage current sensors 18 inside the tension hardware body 1, the safety of the tension hardware body 1 is further improved.

[0034] The working principle of the electric wire pull fitting proposed by the embodiment of the utility model is as follows:

[0035] The fixing hoop 3 is provided in a circular ring structure, two groups of the fixing rectangular plates 6 are movably fitted, and two groups of fixing bolts 7 are provided on one side of the fixing hoop 3, so that the fixing hoop 3 can be installed on the surface of a columnar rod of different sizes. The inner wall of the fixing hoop 3 is provided with an anti-skid rubber pad 4, and the anti-skid rubber pad 4 is fitted with the inner wall of the fixing hoop 3 to improve the installation stability of the fixing hoop 3 and the columnar rod;

[0036] By providing two groups of the first anti-wear layer 10 and the second anti-wear layer 11, in coordination with the insulating rectangular plate 15, the friction between the wire and the tension hardware body 1 can be reduced, and by providing the first insulating layer 16 and the second insulating layer 17, the safety performance of the tension hardware body 1 is improved. By providing two groups of leakage current sensors 18 inside the tension hardware body 1, the safety of the tension hardware body 1 is further improved.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A power cable tie fitting, comprising a tie fitting body (1), characterized in that: A fixed clamp (3) is provided on one side of the tension hardware body (1), two groups of fixed rectangular plates (6) are provided on the surface of the fixed clamp (3), two groups of fixed bolts (7) are provided on one side of the fixed clamp (3), an anti-slip rubber pad (4) is provided on the inner wall of the fixed clamp (3), two groups of first line notches (8) are provided at one end of the tension hardware body (1), and two groups of second line notches (9) are provided at the other end of the tension hardware body (1); The inner walls of the two groups of the first wire slots (8) are both fitted with a group of first anti-wear layers (10), the inner walls of the two groups of the second wire slots (9) are both fitted with a group of second anti-wear layers (11), a support limit rod (12) is penetrated through the surface of the tension hardware body (1), the other end of the support limit rod (12) is provided with a threaded rod (14), an insulating rectangular plate (15) is provided inside the tension hardware body (1), two groups of first insulation layers (16) are provided inside the tension hardware body (1), two groups of second insulation layers (17) are provided inside the tension hardware body (1), and two groups of leakage current sensors (18) are provided inside the tension hardware body (1).

2. The power cable fitting according to claim 1, characterized in that: The tension fitting body (1) is arranged in a U-shaped structure, and a connecting and fixing rod (2) is provided on one side wall of the tension fitting body (1), and the connecting and fixing rod (2) is located at the center of the side wall of the tension fitting body (1).

3. The power cable fitting according to claim 2, characterized in that: The central axis of the connecting and fixing rod (2) and the central axis of the tension fitting body (1) are located on the same straight line, and the fixing hoop (3) is fixedly connected to the end of the connecting and fixing rod (2) and one end away from the tension fitting body (1).

4. The power cable fitting according to claim 3, characterized in that: The fixed hoop (3) is arranged in a circular ring structure, the anti-skid rubber pad (4) is arranged in close contact with the inner wall of the fixed hoop (3), a limiting groove (5) is provided on the surface of the fixed hoop (3), the two groups of fixed rectangular plates (6) are respectively located on both sides of the limiting groove (5), and the two groups of fixed rectangular plates (6) are movably arranged in close contact, and the two groups of fixing bolts both penetrate the two groups of fixed rectangular plates (6).

5. The power cable fitting according to claim 2, characterized in that: The support and limit rod (12) is located at one end of the side surface of the tension fitting body (1), and an adjustment knob (13) is provided at one end of the support and limit rod (12), and the threaded rod (14) is threadedly connected to the tension fitting body (1).

6. The power cable fitting according to claim 1, characterized in that: The two groups of the first insulating layers (16) are respectively arranged in abutment with the two groups of the first line slots (8), and the two groups of the second insulating layers (17) are respectively arranged in abutment with the two groups of the second line slots (9).

7. The power cable fitting according to claim 2, characterized in that: The two groups of leakage current sensors (18) are symmetrically arranged with the central axis of the tension hardware body (1) as the center, and the two groups of leakage current sensors (18) are respectively arranged to fit the two groups of first line slots (8) and the two groups of second line slots (9).

8. The power cable fitting according to claim 7, characterized in that: A weight-reducing cavity (19) is provided inside the tension hardware body (1), and the weight-reducing cavity (19) is located on one side inside the tension hardware body (1).

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