CN203839881U - Strain clamp structure specially used for 110KV transmission line - Google Patents

Abstract

The utility model discloses a structure of a strain-resistant clamp specially used for 110KV transmission lines, which comprises a clamp body and several guide structures with the same structure. The guide structures are connected in sequence and then connected with the clamp body to form an overall structure. The guide structure The center of the center and the center of the clamp body are set on the same straight line; each section of the guide structure is provided with an arc-shaped groove, and the clamping groove communicates with the arc-shaped groove; the guide structure includes a guide plate and a curved U Type structure of the compression bolt, the arc groove is formed by the top surface of the guide plate, the two ends of the compression bolt are respectively connected with the side wall of the guide plate, and the bending part of the compression bolt is set directly above the arc groove. The structure of the strain-resistant clamp clamps the cable multiple times through the design of multiple guiding structures, so that the cable can be clamped, even if the cable shakes violently in strong wind or heavy rain, the gap between the clamp and the cable There will be no shaking during the time, so that the power transmission can continue.

Description

The structure of strain clamp specially used for 110KV transmission line

technical field

The utility model relates to a structure, in particular to a structure of a strain clamp specially used for a 110KV power transmission line, which belongs to electric equipment.

Background technique

Electricity is an energy source powered by electrical energy. Invented in the 1870s, the invention and application of electricity set off the second industrialization climax. It has become one of the three scientific and technological revolutions in the world since the 18th century in human history. Since then, technology has changed people's lives. The large-scale power system that appeared in the 20th century is one of the most important achievements in the history of human engineering science. It is a power production and consumption system composed of power generation, power transmission, power transformation, power distribution and power consumption. It converts the primary energy in nature into electricity through the power generation device, and then supplies the electricity to various users through power transmission, transformation and distribution. High-voltage transmission is generally used for power transmission, and 110KV is a relatively common transmission voltage. Various equipment is required for power transmission. Sometimes the installation environment of power facilities is very complicated. It is in a strong electromagnetic environment for a long time and bears large electrical and mechanical loads, easily affected by factors such as wind, rain, fog, icing, lightning, industrial waste gas, dust, external force damage, etc., and are prone to damage. Under the influence of wind, rain, snow and other natural environments, when large shaking occurs, it will affect the clamping of the cable, and it is easy to cause loosening or even separation of the cable clamp and cable, resulting in power interruption and even accidents.

Utility model content

The purpose of this utility model is to overcome the situation that the existing tension clamps are unstable and easy to loosen when subjected to a large wind force, and a special structure of the tension clamps for 110KV transmission lines is designed. The structure clamps the cable multiple times through the designed multiple guiding structures, so that the cable can be clamped and has high firmness.

The purpose of this utility model is achieved through the following technical solutions: the structure of the strain-resistant clamp specially used for 110KV transmission lines, including the guide structure with the same structure as the clamp body and several sections, and the guide structure is connected with the clamp body after being connected in sequence The connection constitutes the overall structure, and the center of the guide structure and the center of the clamp body are set on the same straight line; each section of the guide structure is provided with an arc-shaped groove, and the arc-shaped grooves on all the guide structures are connected in sequence, and all arc-shaped The centers of the grooves are arranged on the same straight line, the clamp body is provided with a clamping groove, the clamping groove communicates with the arc groove, and the center line of the clamp groove coincides with the center line of the arc groove. The cable is passed through the arc-shaped groove and the clamping groove, and the cable is in contact with the wall of the arc-shaped groove and the clamping groove, so that the cable has a stable contact, the bottom of the guiding structure is used as a guiding cable to pass, and the upper The installed compression bolt compresses the cable tightly, so that the cable can be clamped, and the firmness is high. Even if the cable shakes violently in strong wind or heavy rain, there will be no shaking between the clamp and the cable. Make the power transmission can continue.

The guide structure includes a guide plate and a U-shaped compression bolt connected to the guide plate. The arc-shaped groove is formed by indenting the top surface of the guide plate, and the arc-shaped groove communicates with both ends of the guide plate. The two ends of the bolt are respectively connected to the side walls of the guide plate, and the bend of the pressing bolt is arranged directly above the arc groove; the side wall of the guide plate is provided with a support plate, and one end of the support plate is connected to the side wall of the guide plate. fixed, the support plate is provided with a through hole, and the through hole communicates with the end of the side wall of the support plate away from the guide plate, and the two ends of the compression bolt pass through the corresponding through hole respectively; the two ends of the compression bolt are respectively sleeved A nut and a washer are combined, the nut is arranged under the supporting plate, the washer is arranged between the nut and the supporting plate, and the two ends of the washer are respectively connected with the nut and the supporting plate. The compression bolt is bent into a U-shaped structure by means of a double-ended screw rod, and connected by connecting nuts and guide devices at both ends, so that the cable passes through the U-shaped interior and is fixed.

A support block is provided directly above the guide plate, the top of the support block is in contact with the bend of the compression bolt, and the top and bottom ends of the support block are provided with arc grooves, and the top of the support block is arranged The arc-shaped groove is in contact with the outer wall of the pressing bolt, and the centerline of the arc-shaped groove arranged at the bottom end of the support block is arranged directly above the centerline of the arc-shaped groove on the corresponding guiding structure. The top of the support block is fixed to the pressing bolt by using the provided arc groove, and the bottom of the support block is in contact with the cable to increase the contact area.

The clamp body is provided with a through hole, and the through hole is arranged above the clamping groove, and the center line of the through hole is perpendicular to the center line of the clamping groove. The through hole is used to fix the cable arranged inside the clamping groove from above to increase the stability of the cable.

To sum up, the beneficial effect of the utility model is: the structure of the tension clamp clamps the cable multiple times through the designed multiple guiding structures, so that the cable can be clamped and the firmness is high, even if it is In strong wind or heavy rain, the cable shakes violently, and there will be no shaking between the clamp and the cable, so that the power transmission can continue.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The marks in the drawings and the names of corresponding parts: 1—through hole; 2—clamping groove; 3—through hole; 4—lower arc groove; 5—support block; 6—pressing bolt; 7—support plate ; 8—upper arc groove; 9—arc groove; 10—nut; 11—gasket; 12—guiding plate; 13—clamp body.

Detailed ways

The utility model will be further described in detail below in conjunction with the embodiments and accompanying drawings, but the implementation of the utility model is not limited thereto.

Example:

As shown in Figure 1, the structure of the strain clamp dedicated to 110KV transmission lines includes a clamp body 13 and several guide structures with the same structure. The guide structures are connected in sequence and then connected with the clamp body 13 to form an overall structure , and the center of the guide structure and the center of the clamp body 13 are set on the same straight line; each section of the guide structure is provided with an arc-shaped groove 9, and the arc-shaped grooves 9 on all the guide structures are connected in sequence, and all arc-shaped grooves The center of 9 is arranged on the same straight line, and clamping groove 2 is arranged on the clamp body 13, and the clamping groove 2 communicates with the arc groove 9, and the center line of the clamping groove 2 coincides with the center line of the arc groove 9 . Generally, a five-section guiding structure is used to guide and compress the cables, so that the cables are fixed and guided multiple times, can withstand harsh natural environments, reduce the frequency of equipment damage, and reduce maintenance costs.

The guide structure includes a guide plate 12 and a U-shaped compression bolt 6 connected to the guide plate 12. The arc groove 9 is concavely formed on the top surface of the guide plate 12, and the arc groove 9 is connected to the guide plate 12. The two ends of the compression bolt 6 are connected to the side wall of the guide plate 12 respectively, and the bend of the compression bolt 6 is arranged directly above the arc groove 9; the side wall of the guide plate 12 is provided with Support plate 7, one end of support plate 7 is fixed with the side wall of guide plate 12, and through hole 3 is provided on support plate 7, and through hole 3 and support plate 7 are communicated away from an end of the side wall of guide plate 12, and compression bolt 6 The two ends of each pass through the corresponding through holes 3; the two ends of the compression bolt 6 are fitted with a nut 10 and a washer 11 respectively, the nut 10 is arranged under the support plate 7, and the washer 11 is arranged on the nut 10 and the washer 11. between the support plates 7, and the two ends of the gasket 11 are respectively connected with the nut 10 and the support plate 7. By using the nut 10 to tighten and press the compression bolt 6 on the cable, the cable can be firmly fixed on the tension clamp.

The top of the guide plate 12 is provided with a support block 5, the top of the support block 5 is in contact with the bend of the compression bolt 6, and the top and bottom ends of the support block 5 are provided with arc-shaped grooves, which are arranged on the The arc-shaped groove at the top of the support block 5 is in contact with the outer wall of the compression bolt 6, and the centerline of the arc-shaped groove arranged at the bottom of the support block 5 is arranged directly above the centerline of the arc-shaped groove on the corresponding guide structure . The arc-shaped groove arranged at the bottom of the support block 5 is called the lower arc-shaped groove 4, and the arc-shaped groove arranged at the top of the support block 5 is named as the upper arc-shaped groove 8, and the lower arc-shaped groove 4 is It is in contact with the cable, so its structure is adapted to the shape of the cable, and the upper arc-shaped groove 8 is in contact with the outer wall of the compression bolt 6, and its structure is similar to the outer wall structure of the compression bolt 6, increasing the contact area , so that the effect of fixing the cable is better.

The clamp body 13 is provided with a through hole 1 , and the through hole 1 is arranged above the clamping groove 2 , and the centerline of the through hole 1 is perpendicular to the centerline of the clamping groove 2 . Generally, a bolt is arranged in the through hole 1, and the cable clamp body 13 is stretched laterally, so that the cable clamp body 13 can clamp the cable, and at the same time, the bolt fixes the cable from the top.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification or equivalent change made to the above embodiments in essence according to the technology and method of the utility model, All fall within the protection scope of the present utility model.

Claims (5)

1. The structure of the strain clamp specially used for 110KV transmission line is characterized in that it includes the clamp body (13) and several guide structures with the same structure, and the guide structures are connected with the clamp body (13) in sequence The connection constitutes an overall structure, and the center of the guide structure and the center of the clamp body (13) are set on the same straight line; each section of the guide structure is provided with an arc-shaped groove (9), and the arc-shaped grooves (9) on all guide structures ( 9) Connected in turn, and the centers of all arc-shaped grooves (9) are set on the same straight line, clamping grooves (2) are arranged on the clamp body (13), and the clamping grooves (2) and arc-shaped grooves (9) ) connected, and the center line of the clamping groove (2) coincides with the center line of the arc groove (9); the guide structure includes a guide plate (12) and a curved U-shaped structure connected to the guide plate (12) The compression bolt (6), the arc groove (9) is formed by the top surface of the guide plate (12), and the arc groove (9) communicates with the two ends of the guide plate (12), and the compression bolt (6) The two ends of the guide plate (12) are respectively connected to the side walls, and the bending part of the pressing bolt (6) is arranged directly above the arc-shaped groove (9). 2. The structure of the tension clamp specially used for 110KV transmission lines according to claim 1, characterized in that: the side wall of the guide plate (12) is provided with a support plate (7), and one end of the support plate (7) Fixed to the side wall of the guide plate (12), the support plate (7) is provided with a through hole (3), and the through hole (3) communicates with the end of the support plate (7) away from the side wall of the guide plate (12), Both ends of the compression bolt (6) respectively pass through the corresponding through holes (3). 3. The structure of the tension clamp specially used for 110KV transmission lines according to claim 2, characterized in that: the two ends of the pressing bolt (6) are respectively fitted with nuts (10) and washers (11 ), the nut (10) is set under the support plate (7), the gasket (11) is set between the nut (10) and the support plate (7), and the two ends of the gasket (11) are respectively connected to the nut (10 ) and support plate (7) connection. 4. The structure of the strain clamp dedicated to 110KV transmission lines according to claim 3, characterized in that: support blocks (5) are arranged directly above the guide plate (12), and the support blocks (5) The top of the support block (5) is in contact with the bend of the compression bolt (6), and the top and bottom ends of the support block (5) are provided with arc-shaped grooves, and the arc-shaped grooves and pressure on the top of the support block (5) The outer wall of the fastening bolt (6) contacts, and the centerline of the arc-shaped groove arranged at the bottom end of the support block (5) is arranged directly above the centerline of the arc-shaped groove on the corresponding guide structure. 5. The structure of the strain clamp dedicated to 110KV transmission line according to any one of claims 1 to 4, characterized in that: the clamp body (13) is provided with a through hole (1), and The through hole (1) is arranged above the clamping groove (2), and the center line of the through hole (1) is perpendicular to the center line of the clamping groove (2).