Anti-loosening fitting for electric power circuit

Abstract

The utility model provides an anti-loosening fitting for an electric power circuit, which relates to the technical field of electric power circuit clamps and comprises a first clamp, a second clamp is arranged below the first clamp, fixing foot pieces are fixed on two sides of the bottom end of the second clamp, and threaded grooves are arranged at the bottom of the first clamp and the top end of the second clamp. A threaded rod is in threaded connection with the interior of the threaded groove, a threaded block is fixed to the top end of the threaded rod, an inner groove is formed in the first clamp, and a mounting groove is formed in the inner wall of the inner groove. According to the utility model, two groups of cables are arranged in the circular groove between the first clamp and the fixing foot piece, the screw block is tightened, so that the first clamp and the second clamp are fixed together, and then after the limiting spring abuts against the limiting ejector rod to move through the elastic force, one end of the limiting ejector rod, which is provided with the tooth block, is clamped in the tooth groove on the surface of the thread groove; and after the threaded groove is limited, spiral rotation is prevented, so that the power cable between the clamp I and the clamp II is stably fixed and prevented from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of power line clamps, in particular to an anti-loosening hardware used for power lines. Background Art

[0002] The power line anti-loosening hardware is a special clamp used to fix the cables after laying and installation, so that the cables occupy the correct position and prevent the cables from moving due to external force or self-weight. The cable clamps are used to fix the cables to ensure that they are arranged neatly after laying without cross-arrangement.

[0003] Generally, cable clamps fix cables with bolts and two sets of upper and lower clamps. During high-altitude high-voltage power transmission, the cable will vibrate due to wind force, and the cable vibration will resonate and affect the clamp installed on the outside of the cable. Over time, the fastening bolts on the clamp will loosen, resulting in looseness between the clamp and the installed cable.

[0004] Therefore, there is an urgent need for an anti-loosening hardware for power lines that can solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and solve the problem that the general cable clamp proposed in the above background technology fixes and clamps the cable by bolts and two sets of upper and lower clamps. During the high-altitude high-voltage power transmission of the cable, the cable will vibrate due to the influence of wind, and the cable vibration will produce resonance affecting the clamp installed on the outside of the cable, which will cause the fastening bolts on the clamp to loosen over a long period of time, thereby causing the clamp to loosen between the installed cable.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-loosening hardware for power lines, comprising a clamp 1, a clamp 2 is arranged below the clamp 1, and fixing feet are fixed on both sides of the bottom end of the clamp 2, a threaded groove is provided at the bottom of the clamp 1 and the top of the clamp 2, a screw is threadedly connected inside the threaded groove, a screw block is fixed at the top of the screw, an inner groove is provided inside the clamp 1, an installation groove is provided on the inner wall of the inner groove, a limiting push rod is installed inside the installation groove, a limiting spring is connected between the surface of the limiting push rod and the inner wall of the installation groove, a connecting block is fixedly connected to the top of the limiting push rod, an adjusting slider is fixed to the top of the connecting block, a tooth groove is provided on the top of the threaded groove surface, and one end of the limiting push rod provided with a tooth block is against the tooth groove on the threaded groove surface.

[0007] Preferably, rubber pads are installed on the inner wall of the circular groove at the bottom of the first clamp and the inner wall of the circular groove at the top of the second clamp.

[0008] Preferably, a strip-shaped slot is provided on one surface of the clamp, and the top end of the connecting block is slidably disposed in the strip-shaped slot.

[0009] Preferably, a strip-shaped protrusion is installed on the surface of the adjusting slider.

[0010] Preferably, a fixing block is fixed on the side of the adjusting slider, a limiting pin is inserted into the internal circular hole of the fixing block, an anti-drop block is installed at one end of the limiting pin at the bottom of the fixing block, and a limiting hole is opened at the top of the clamp, and the bottom end of the limiting pin is inserted into the limiting hole.

[0011] Preferably, limiting blocks are fixed on both sides of the top of the second clamp, and limiting grooves are provided on both sides of the bottom of the first clamp, and the limiting blocks are embedded in the limiting grooves.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are: by setting the two groups of cables in the circular groove between the clamp one and the fixed foot, tightening the screw block to fix the clamp one and the clamp two together, and then the limiting push rod is moved against the limiting push rod by the elastic force of the limiting spring, and one end of the limiting push rod provided with a tooth block is stuck in the tooth groove on the surface of the thread groove, and the thread groove is limited to prevent the spiral rotation, so that the power cable between the clamp one and the clamp two is fixed stably to prevent loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the three-dimensional structure of a device provided according to an embodiment of the utility model is shown;

[0014] Figure 2 A schematic diagram of the planar structure of a device provided according to an embodiment of the utility model is shown;

[0015] Figure 3 The utility model provides a Figure 2 Schematic diagram of the structure at A in the middle;

[0016] Figure 4 A three-dimensional schematic diagram of the second structure of the clamp provided according to an embodiment of the utility model is shown.

[0017] Figure 5 A three-dimensional schematic diagram of the screw rod and the limiting ejector rod structure provided according to an embodiment of the utility model is shown.

[0018] Legend:

[0019] 1. Clamp 1; 101. Clamp 2; 102. Fixed foot; 2. Threaded groove; 201. Screw; 202. Screw block; 3. Inner groove; 301. Mounting groove; 302. Limiting push rod; 303. Limiting spring; 304. Connecting block; 305. Adjusting slider; 4. Fixed block; 401. Limiting pin; 402. Anti-dropping block. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] like Figures 1 to 5 As shown, in the embodiment of the utility model: an anti-loosening hardware for power lines, including a clamp 1, a clamp 2 101 is arranged below the clamp 1, fixed feet 102 are fixed on both sides of the bottom end of the clamp 2 101, a threaded groove 2 is opened at the bottom of the clamp 1 and the top of the clamp 2 101, a screw rod 201 is threadedly connected inside the threaded groove 2, a screw block 202 is fixed to the top of the screw rod 201, an inner groove 3 is opened inside the clamp 1, a mounting groove 301 is opened on the inner wall of the inner groove 3, a limiting push rod 302 is installed inside the mounting groove 301, a limiting spring 303 is connected between the surface of the limiting push rod 302 and the inner wall of the mounting groove 301, a connecting block 304 is fixedly connected to the top of the limiting push rod 302, an adjusting slider 305 is fixed to the top of the connecting block 304, a tooth groove is opened on the top of the surface of the thread groove 2, and one end of the limiting push rod 302 provided with the tooth block is against the tooth groove on the surface of the thread groove 2.

[0023] Rubber pads are installed on the inner wall of the circular groove at the bottom of the clamp 1 and the inner wall of the circular groove at the top of the clamp 2 101. The rubber pads can increase the friction with the cable surface and improve the fixing effect. At the same time, a certain protection is provided to the cable surface to prevent the cable surface from being worn.

[0024] A strip-shaped slot is provided on the surface of the clamp 1, and the top end of the connecting block 304 is slidably disposed in the strip-shaped slot.

[0025] The surface of the adjusting slider 305 is provided with strip-shaped protrusions, which increase the friction between the adjusting slider 305 and the hand, thereby facilitating the movement of the adjusting slider 305 .

[0026] A fixing block 4 is fixed on the side of the adjusting slider 305, and a limiting pin 401 is inserted into the internal circular hole of the fixing block 4. An anti-dropping block 402 is installed at one end of the limiting pin 401 at the bottom of the fixing block 4, and a limiting hole is opened at the top of the clamp 1, and the bottom end of the limiting pin 401 is inserted into the limiting hole.

[0027] Limiting blocks are fixed on both sides of the top of the second clamp 101, and limiting grooves are provided on both sides of the bottom of the first clamp, and the limiting blocks are embedded in the limiting grooves to improve the installation stability between the first clamp 1 and the second clamp 101.

[0028] In summary, the working principle of the utility model is as follows: after the two groups of cables are buckled between the circular groove at the bottom of the clamp 1 and the circular groove at the top of the clamp 2 101, the screw block 202 is screwed, so that the screw block 202 drives the screw rod 201 to rotate spirally, so that the bottom of the screw rod 201 is rotated to the inside of the threaded groove at the top of the clamp 2 101, thereby fixing and clamping the two groups of cables, and then the bottom of the limit pin 401 is pulled out of the limit hole on the surface of the clamp 1 to release the adjustment slider. 305 limits the action, and then the elastic force of the limit spring 303 can push against the limit push rod 302 and move inside the installation groove 301, so that one end of the limit push rod 302 with a tooth block is pressed against the tooth groove on the surface of the screw 201, thereby limiting the screw 201 and making it impossible for the screw 201 to rotate in a spiral direction. Therefore, the cable will not be affected by the vibration of the wind on the screw 201, so that the circuit installed and clamped between the clamp 1 and the clamp 2 101 remains stable to prevent loosening.

[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A loosening prevention hardware for power lines, comprising a clamp (1), characterized in that: A second clamp (101) is arranged below the first clamp (1), and fixing feet (102) are fixed on both sides of the bottom of the second clamp (101). A threaded groove (2) is provided at the bottom of the first clamp (1) and the top of the second clamp (101). A screw rod (201) is connected to the inner thread of the threaded groove (2), and a screw block (202) is fixed to the top of the screw rod (201). An inner groove (3) is provided inside the first clamp (1), and an installation groove (301) is provided on the inner wall of the inner groove (3). A limiting push rod (302) is installed inside the installation groove (301); a limiting spring (303) is connected between the surface of the limiting push rod (302) and the inner wall of the installation groove (301); a connecting block (304) is fixedly connected to the top of the limiting push rod (302); an adjusting slider (305) is fixed to the top of the connecting block (304); a tooth groove is provided at the top of the surface of the thread groove (2); and one end of the limiting push rod (302) provided with the tooth block abuts against the tooth groove on the surface of the thread groove (2).

2. The anti-loosening hardware for power lines according to claim 1, characterized in that: The inner wall of the circular groove at the bottom of the clamp 1 (1) and the inner wall of the circular groove at the top of the clamp 2 (101) are both installed with rubber pads.

3. The anti-loosening hardware for power lines according to claim 1, characterized in that: The surface of the clamp (1) is provided with a strip-shaped slot, and the top end of the connecting block (304) is slidably arranged in the strip-shaped slot.

4. The anti-loosening hardware for power lines according to claim 1, characterized in that: The surface of the adjusting slider (305) is provided with a strip-shaped protrusion.

5. The anti-loosening hardware for power lines according to claim 1, characterized in that: A fixing block (4) is fixed on the side of the adjusting slider (305), a limiting pin (401) is inserted into a circular hole inside the fixing block (4), an anti-dropping block (402) is installed at one end of the bottom of the fixing block (4), and a limiting hole is provided at the top of the clamp (1), and the bottom end of the limiting pin (401) is inserted into the limiting hole.

6. The anti-loosening hardware for power lines according to claim 1, characterized in that: Limiting blocks are fixed on both sides of the top of the second clamp (101), and limiting grooves are provided on both sides of the bottom of the first clamp (1), and the limiting blocks are embedded in the limiting grooves.

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