CN205143330U - Bird occupy -place ware is prevented to two cross arm shaft towers - Google Patents

Abstract

The utility model relates to a bird occupy -place ware is prevented to two cross arm shaft towers, its include the level setting and the bar bed plate that extends along cross arm length direction and encapsulation on the bar bed plate and the cross -section for curved overhead guard, the semicircular notch who suits with the profile shape of line pole is all offered to the wherein one end of bar bed plate and overhead guard, two lateral parts of bed plate bottom surface respectively slidable mounting at least one the U -shaped card at the cross arm border can clamp, install the locking bolt that can push up on the cross arm border on the U -shaped card, the partial face indent of bed plate forms the reserve way who link up its both sides. The utility model has the advantages of simple structure, installation are stabilized and are prevented that the bird is effectual.

Description

Double cross-arm tower anti-bird placer

technical field

The utility model relates to the field of electric power operation and maintenance tools, in particular to a knife switch type anti-bird spacer.

Background technique

Bird damage, lightning strike and external force damage are the three major hazards that affect the safety of the power grid. With the enhancement of human awareness of natural environment protection, the population and number of birds are also increasing year by year, which poses a great threat to the safe operation of 10kV overhead lines, especially during the peak period of bird clusters and nesting , bird damage has become a major hazard to the safe operation of the power grid.

During the peak period of nesting, birds fly back and forth over the line with branches, iron wires, firewood, etc. in their mouths, and conductors such as iron wires tend to fall between the crossarm and the wires, which will cause line failures. When the wind blows, the bird's nest on the pole tower is blown away by the wind and falls on the live wire or the knife switch, which will cause a short-circuit ground fault. In addition, bird droppings flashover, bird flying, bird droppings and other bird damage problems are serious. Threat to the safe operation of the power grid.

Birds nesting on poles and towers is the main source of bird damage. A cross arm is generally installed on the top of the pole, and the cross arm and the columnar pole are fixedly connected by a hoop. In the nesting space, bird's nests are mostly built here, especially the towers with double cross-arms. The two cross-arms are more convenient for the accumulation of long rods such as branches, iron wires, and firewood, and are more conducive to the formation of large-scale bird's nests.

According to statistics, the problem of bird damage has become a problem that threatens the safe operation of the power grid, and the line faults caused by bird damage are increasing year by year, and it is urgent to reduce or eradicate the impact caused by bird damage.

Utility model content

The technical problem to be solved by the utility model is to provide a bird-proof spacer with simple structure, stable installation and good bird-proof effect for the double cross-arm pole tower.

In order to solve the above-mentioned technical problems, the structural feature of the anti-bird occupant of the double cross-arm pole tower of the present invention is to include a strip-shaped base plate arranged horizontally and extending along the length direction of the cross-arm, and encapsulated on the strip-shaped base plate with an arc cross-section. Shaped top cover, one end of the strip-shaped base plate and the top cover are provided with a semicircular notch adapted to the contour shape of the pole; The U-shaped card on the edge of the cross-arm is installed with locking bolts that can be supported on the edge of the cross-arm; part of the plate surface of the base plate is concaved to form a reserved channel through its two sides.

The U-shaped card includes a long plate, a bent portion and a short plate, the long plate is slidably mounted on the bottom surface of the base plate, and the locking bolt is mounted on the short plate.

A lock nut is installed on the lock bolt.

A strip-shaped through-hole extending along the width direction of the cross-arm is opened on the long plate portion, and positioning screws are installed in the strip-shaped through-holes, and the positioning screws are installed on the base plate.

Two U-shaped clips are respectively installed on both sides of the bottom surface of the base plate.

One of the reserved passages is provided in the middle of the base plate, and one is provided in the end of the base plate without a notch.

The beneficial effect of the utility model is that the device is fixed on the top of the cross arm by using the U-shaped clamp and the locking bolt, and at the same time, the semicircular notch is clamped on the cylindrical surface of the wire rod, and through the arc-shaped top cover structure, the The upper part of the cross arm forms a curved surface, and long rod-shaped nesting materials such as branches, wire, firewood, etc. cannot be accumulated on it, thus destroying the nesting environment of birds on the wire rod, and at the same time, birds cannot stand stably on the curved surface , to prevent birds from staying on the cross-arm, and the anti-bird effect is good; since the cross-arm needs to be installed with lightning arresters and other auxiliary components, additional mounting plates need to be connected to the cross-arm, etc., and the reserved channel can be directly buckled on the mounting plate , so as to ensure that the device can cover the entire cross arm without leaving any space for birds to stay, and the bird prevention effect is better; the U-shaped card adopts a sliding installation structure, and the distance between the U-shaped cards on both sides can be adjusted. Adapt to cross-arms of different widths. When installing, first adjust the distance between the U-shaped clips on both sides, and then tighten the locking bolts. The device is more versatile and can ensure the firmness of the installation; setting the locking nut can avoid locking The loose bolts further ensure the firmness and reliability of the installation. To sum up, the utility model has the advantages of simple structure, stable installation and good anti-bird effect.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

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

Fig. 2 is a schematic cross-sectional structure diagram of A-A direction in Fig. 1;

Fig. 3 is a schematic cross-sectional structure diagram of B-B direction in Fig. 1;

Fig. 4 is a schematic diagram of the bottom structure of Fig. 1;

Fig. 5 is a structural schematic diagram of the utility model installed on the cross arm.

detailed description

Referring to the accompanying drawings, the bird-proof occupant of the double cross-arm pole tower includes a strip-shaped base plate 2 arranged horizontally and extending along the length direction of the cross-arm 1 and a top cover 3 packaged on the strip-shaped base plate 2 with an arc-shaped cross section. One end of the strip-shaped base plate 2 and the top cover 3 is provided with a semicircular notch 5 adapted to the contour shape of the utility pole 4 . The two sides of the bottom surface of the base plate 2 are respectively slidably mounted with at least one U-shaped card 6 that can be clamped on the edge of the cross-arm 1 , and the U-shaped card 6 is equipped with a locking bolt 7 that can be supported on the edge of the cross-arm 1 . Part of the surface of the base plate 2 is recessed to form a reserved channel 8 passing through both sides thereof. Wherein, as shown in the figure, two U-shaped cards 6 are respectively installed on both sides of the bottom surface of the base plate 2 . One reserved channel 8 is provided in the middle of the base plate 2 , and one is provided at the end of the base plate 2 where no notch is opened.

Referring to Fig. 2 and Fig. 3, the U-shaped card 6 includes a long board part, a bent part and a short board part, the long board part is slidably installed on the bottom surface of the base plate 2, and the locking bolt 7 is mounted on the short board part, and the lock Lock nut 9 is installed on the tight bolt 7. A strip-shaped through-hole 10 extending along the width direction of the cross arm 1 is provided on the long plate portion, and a positioning screw 11 is installed in the strip-shaped through-hole 10, and the positioning screw 11 is installed on the base plate 2. The U-shaped card 6 adopts a sliding installation structure. By adjusting the distance between the U-shaped cards 6 on both sides, it can be adapted to cross arms 1 of different widths. When installing, first adjust the distance between the U-shaped cards 6 on both sides and use the positioning screw 11 to position the distance. , and then tighten the locking bolt 7, the versatility of the device is stronger and the firmness of the installation can be guaranteed. Setting the lock nut can prevent the lock bolt from loosening, further ensuring the firmness and reliability of the installation.

In the above joints, the device is fixed on the top of the cross arm 1 by using the U-shaped clamp 6 and the locking bolt 7, and at the same time, the semicircular notch 5 is clamped on the cylindrical surface of the wire rod 4, and the top cover with an arc-shaped cross section is passed. 3 structure, an arc surface is formed on the upper part of the cross arm 1, and long rod-shaped nesting materials such as branches, iron wire, and firewood cannot be accumulated on it, thereby destroying the nesting environment of birds on the wire rod, and at the same time, birds cannot stand stably On the curved surface, birds are also prevented from staying on the cross arm, and the bird prevention effect is good. Since the cross-arm 1 needs to be installed with lightning arresters and other auxiliary components, it is necessary to connect an additional mounting plate 12 to the cross-arm 1, and the reserved channel 8 can be directly buckled on the mounting plate 12, thus ensuring that the device can hold the entire cross-arm 1 Cover it without leaving any space for birds to stay, and the bird prevention effect is better.

To sum up, the utility model is not limited to the above specific embodiments. Those skilled in the art can make several changes and modifications without departing from the spirit and scope of the present utility model. The protection scope of the utility model should be based on the claims of the utility model.

Claims (7)

1. A bird-proof placeholder for a double cross-arm pole tower, which is characterized in that it includes a strip-shaped base plate (2) that is horizontally arranged and extends along the length direction of the cross-arm (1) and is packaged on the strip-shaped base plate (2) and The top cover (3) with an arc-shaped cross section, one end of the strip-shaped base plate (2) and the top cover (3) are provided with a semicircular notch (5) adapted to the contour shape of the wire rod (4); The two sides of the bottom surface of the base plate (2) are respectively slidably installed with at least one U-shaped card (6) that can be clamped on the edge of the cross arm (1). ) on the edge of the locking bolt (7); part of the surface of the base plate (2) is recessed to form a reserved channel (8) through its two sides. 2. The anti-bird occupant of a double cross-arm tower according to claim 1, characterized in that the U-shaped card (6) includes a long board part, a bent part and a short board part, and the long board part is slidably installed on the base On the bottom surface of the plate (2), the locking bolt (7) is worn on the short plate portion. 3. The anti-bird occupant of double cross-arm tower according to claim 2, characterized in that a lock nut (9) is installed on the lock bolt (7). 4. The anti-bird occupant for a double cross-arm pole tower according to claim 2, characterized in that the long plate part is provided with a strip-shaped through-hole (10) extending along the width direction of the cross-arm (1). A set screw (11) is installed in the through hole (10), and the set screw (11) is installed on the base plate (2). 5. The double cross-arm tower anti-bird placer according to any one of claims 1-4, characterized in that two U-shaped clips (6) are respectively installed on both sides of the bottom surface of the base plate (2). . 6. The double cross-arm tower anti-bird occupant as claimed in any one of claims 1-4, characterized in that the reserved channel (8) is provided in the middle of the base plate (2), and on the base plate (2) One is provided at the end without a notch. 7. The anti-bird occupant of the double cross-arm tower according to claim 5, characterized in that the reserved channel (8) is provided in the middle of the base plate (2), and no gap is opened in the base plate (2) Set one at the end of the .