CN219067824U - Mounting device for hanging lightning arrester - Google Patents

Abstract

The utility model provides an installation device for a suspension lightning arrester, which comprises a lightning arrester, a U-shaped screw, a supporting insulator, a fixed channel steel and a counter; the opening of the fixed channel steel is upward, and the counter is arranged on the side of the fixed channel steel; There are a pair of screw holes for connecting the top of the supporting insulator through U-shaped screws at the end and the middle, and a pair of first strip holes for connecting the iron tower cross-arm through straight rod screws on both sides of the bottom center of the fixed channel steel. A plurality of connecting holes close to the corresponding screw holes for connecting the counter are arranged on the side of the channel steel. The installation device of the suspended lightning arrester provided by the utility model does not need to install an installation platform on the tower pole, but only needs to add a fixed channel steel on the tower pole to install the lightning arrester and the supporting insulator. The installation structure is simple and the installation is convenient.

Description

Installation device for suspension lightning arrester

technical field

The utility model relates to the technical field of lightning arrester installation, in particular to a mounting device for a suspended lightning arrester.

Background technique

According to the classification statistics of power grid faults, in areas with a high trip rate in my country, the number of trips caused by lightning strikes accounts for 40% to 70% of the total trip times in high-voltage line operation, especially in areas with multiple thunderstorms, high soil resistivity, and complex terrain. In areas where lightning strikes transmission lines, the failure rate is higher. In order to reduce the number of line trips due to lightning strikes, lightning protection devices are installed on transmission line towers that should be struck by lightning or have been hit by minefields in the past.

In the prior art, it is necessary to add a lightning arrester installation platform on the pole tower, install the lightning arrester through the installation platform, and lead the wire down to connect with the lightning arrester, so as to play the role of lightning protection.

In the existing technology, it is necessary to add a lightning arrester installation platform, which affects the existing tower structure, and needs to re-check whether the force of the tower meets the installation conditions, and some towers do not meet the installation conditions.

In the existing installation method, after the installation is completed, the live body is relatively close to the working surface of the operation and maintenance personnel, which has safety risks, and the installation needs to increase the arrester installation platform, which is not economical.

Therefore, it is necessary to provide an installation device for suspending lightning arresters to solve the above technical problems.

Utility model content

The utility model provides an installation device for a suspension lightning arrester to solve the installation problem of the suspension lightning arrester used to protect the line from lightning flashover on an overhead power transmission line.

In order to solve the above technical problems, a technical solution adopted by the utility model is to provide a mounting device for suspending lightning arresters, including lightning arresters 1, U-shaped screws 2, supporting insulators 8, fixed channel steel 9, counter 10; fixed channel steel 9 openings Upwards, the counter 10 is located on the side of the fixed channel steel 9; the two ends and the middle of the bottom of the fixed channel steel 9 are respectively provided with a pair of screw holes 91 for connecting the top of the supporting insulator 8 through U-shaped screws 2, and the bottom of the fixed channel steel 9 Both sides of the center are provided with a pair of first strip-shaped holes 92 for connecting the cross-arm of the iron tower through straight rod screws, and a plurality of screw holes 91 close to the corresponding ones are provided on the side of the fixed channel steel 9 for connecting the counter 10. Hole 93.

In one embodiment, the screw hole 91 on the fixing channel 9 is located outside the connecting hole 93 adjacent thereto.

In one embodiment, a first strip-shaped hole 92 is further provided between the two adjacent screw holes 91 at the bottom of the fixing channel 9 and the pair of adjacent first strip-shaped holes 92 .

In one embodiment, the top of the arrester 1 is provided with a first hanging plate 4 and a U-shaped hanging ring 3 connected to the first hanging plate 4, and the U-shaped hanging ring 3 is hung on the U-shaped screw 2; the bottom of the arrester 1 is provided with The second hanging plate 5, the second hanging plate 5 is connected to the top of the supporting insulator 8 by the ball head hanging ring 6; U-shaped screw 2 is connected on the connecting hole 93 on the side of the fixed channel steel 9, and the two ends of the fixed channel steel 9 are respectively connected on the cross arm of the tension tower, and the two tail ends of the fixed channel steel 9 are respectively stretched out from the fixed channel steel 9. Describe the cross arm of the tension tower.

In one embodiment, both ends of the fixed channel steel 9 are respectively connected to the cross arms of the strain tower through the cooperation of two straight rod screws and two first strip holes 92 .

In one embodiment, the two ends of the fixed channel steel 9 are respectively connected to the cross-arm of the strain tower through two straight rod screws passing through a first strip hole 92 and a screw hole 91 adjacent to each other.

In one embodiment, the tail end of the supporting insulator 8 is connected to the second hanging board 5 through the first hanging board 4 , and the tail end of the second hanging board 5 is connected to a swivel clamp 7 .

In one embodiment, the first hanging plate 4 is a W-shaped bowl-head hanging plate; the second hanging plate 5 is a WS-shaped bowl-head hanging plate.

In one embodiment, the arrester 1 is a multi-layer sealed synthetic insulated zinc oxide arrester.

In one embodiment, the supporting insulator 8 is a porcelain insulator.

The beneficial effects of the utility model are:

(1) A fixed channel steel is used to connect the pole tower to realize the installation of the arrester and the supporting insulator, and there is no need to install an arrester installation platform on the pole tower. The structure is simple and the installation is convenient;

(2) There are multiple screw holes for installing U-shaped screws on the fixed channel steel, and there are multiple first strip holes for installing straight rod screws, which makes the installation device of this type of suspension lightning arrester highly compatible , can be applied to install lightning arresters on strain towers and linear towers.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the installation device of the suspension lightning arrester of the present invention;

Fig. 2 is the top view of fixed channel steel 9 among Fig. 1;

Fig. 3 is a schematic diagram of the use principle of the fixed channel steel 9 in Fig. 2;

Fig. 4 is a side view of the installation device and the linear tower installation of the suspension arrester in Fig. 1;

Figure 5 is a top view of Figure 4;

Fig. 6 is a side view of the installation device of the suspension lightning arrester and the installation of the strain tower in Fig. 1;

7 and 8 are top views of the two situations of FIG. 6 .

Detailed ways

The technical scheme of the utility model is described in detail below in conjunction with the drawings.

The mounting device of the suspended lightning arrester as shown in Figure 1 comprises lightning arrester 1, U-shaped screw 2, support insulator 8, fixed channel steel 9, counter 10; On the side; as shown in Fig. 2 and Fig. 3, the fixed channel steel 9 bottom two ends and the middle part are respectively provided with a pair of screw holes 91 for connecting the top of the supporting insulator 8 by U-shaped screws 2, and the fixed channel steel 9 bottom center both sides Each is provided with a pair of first bar-shaped holes 92 for connecting the cross-arm of the iron tower through straight rod screws, and a plurality of connection holes 93 for connecting the counter 10 are provided on the side of the fixed channel steel 9 near the corresponding screw holes 91 .

In the embodiment of the present utility model, three pairs of screw holes 91 are in order to be suitable for the needs of installing lightning arresters on the straight tower and the tension tower. Correspondingly, the pair of adjacent first strip-shaped holes 92 can adaptively adjust the relative installation position of the fixed channel steel 9 and the cross arm of the iron tower. The position of the connection hole 93 is designed to adapt to the position of the screw hole 91 , wherein the design of the screw hole 91 close to the screw hole 91 can effectively save the length of the wire 15 between the counter 10 and the arrester 1 .

Please refer further to FIG. 2 , in the embodiment, the screw hole 91 on the fixing channel steel 9 is located outside the connecting hole 93 adjacent thereto.

As shown in FIG. 2 , further, a first strip-shaped hole 92 is further provided between the two adjacent screw holes 91 at the bottom of the fixing channel 9 and the pair of adjacent first strip-shaped holes 92 . In this way, a screw hole 91 at the tail end of the fixed channel steel 9 and a first bar-shaped hole 92 close to it can be used to connect the iron tower cross-arm.

Therefore, the installation device of the suspended lightning arrester of the present utility model can meet the installation requirements of the lightning arrester on the linear tower and the tension tower for the uniquely designed fixed channel steel 9, and has strong compatibility.

Please refer further to Fig. 1, the top of the lightning arrester 1 is provided with a first hanging plate 4, a U-shaped hanging ring 3 connected to the first hanging plate 4, and the U-shaped hanging ring 3 is hung on the U-shaped screw 2; the bottom of the lightning arrester 1 A second hanging board 5 is provided, and the second hanging board 5 is connected to the top of the supporting insulator 8 through the ball joint hanging ring 6 . Specifically, the tail end of the supporting insulator 8 is connected to the second hanging board 5 through the first hanging board 4 , and the tail end of the second hanging board 5 is connected with a swivel clamp 7 .

The principle of the installation device of the suspension arrester of the present invention applied to the linear tower 11 is as follows: as shown in Figure 4 and Figure 5, the fixed channel steel 9 is installed on the iron tower cross arm 17 of the linear tower 11, and the U-shaped screw 2 The arrester 1 is installed on the part of the fixed channel steel 9 protruding from the outer side of the straight tower 11, and the corresponding counter 10 is located on the inner side of the arrester 1; String 12, the tail end of hanging string 12 also utilizes a swivel vertical clamp to connect jumper wire 13, can be on the basis that guarantees lightning arrester 1 vertical installation like this, effectively protect the safety of staff.

The installation device of the suspension lightning arrester of the present utility model is applied to the extension part of the cross arm of the tension tower 14. The principle is as follows: as shown in Fig. Installed to the lower end of the fixed channel steel 9 protruding from the end of the tension tower 14, the corresponding counter 10 is located on the inside of the arrester 1; 16, the tail end of the strain-resistant string 16 also utilizes a rotating vertical clamp to connect the jumper wire 13.

In order to meet the installation needs of the middle part of the cross arm of the tension tower 14, the installation device of the suspension lightning arrester of the present invention, as shown in Figure 6 and Figure 7, the U-shaped screw 2 is connected to the bottom surface of the fixed channel steel 9 through two straight rod screws On the two screw holes 91 in the middle, the counter 10 is connected to the connecting hole 93 on the side of the fixed channel steel 9 near the U-shaped screw 2, and the two ends of the fixed channel steel 9 are respectively connected to the cross arm 17 of the strain tower 14, and The two tail ends of the fixed channel steel 9 protrude from the cross arm of the strain tower 14 respectively. Furthermore, the two ends of the fixed channel steel 9 are respectively connected to the crossarm of the tension tower 14 through the cooperation of two straight rod screws and the two first strip holes 92; or the two ends of the fixed channel steel 9 are respectively passed Two straight rod screws pass through a first strip hole 92 and a screw hole 91 adjacent to each other to connect to the cross arm of the strain tower.

The installation device of the suspension lightning arrester of the present utility model is installed on the middle part of the cross arm of the tension tower 14. 1 is installed at the lower end of the middle part of the fixed channel steel 9, and the corresponding counter 10 is located outside the lightning arrester 1; End also utilizes a rotating vertical clamp to connect the jumper wire 13.

The difference between FIG. 7 and FIG. 8 is that the distance between the jumper wire 13 and the strain tower 14 is different, resulting in a different installation position of the fixed channel steel 9 . Just because in the present utility model, the position of the hole that is provided with at the bottom of fixed channel steel 9 has multiple, can choose multiple positions to install lightning arrester 1, thereby can be compatible with the different installation positions of tension tower 14 effectively.

In a preferred embodiment of the present utility model, the first hanging plate 4 is a W-shaped bowl hanging plate; the second hanging plate 5 is a WS-shaped bowl hanging plate.

In the utility model, for the material of the arrester 1, the arrester 1 is preferably a composite insulated zinc oxide arrester with multi-layer sealing; of course, in other embodiments of the utility model, the arrester 1 can also adopt other materials, which are all included in this utility model. Within the scope of protection of the new type, there is no limitation to this.

In an embodiment of the present utility model, the supporting insulator 8 is a porcelain insulator. Certainly also can select the supporting insulator 8 of other materials for use, as long as can realize the function in the utility model.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, All are included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. a mounting device for suspension arrester, comprising arrester (1), U-shaped screw (2), support insulator (8), fixed channel steel (9), counter (10); it is characterized in that fixed channel steel (9 ) opening facing upwards, the counter (10) is arranged on the side of the fixed channel steel (9); the two ends and the middle part of the bottom of the fixed channel steel (9) are respectively provided with a top for connecting the support insulator (8) by U-shaped screws (2). A pair of screw holes (91), the two sides of the center of the bottom of the fixed channel steel (9) are respectively provided with a pair of first strip holes (92) for connecting the cross-arm of the iron tower through straight rod screws, and the fixed channel steel (9) side A plurality of connection holes (93) for connecting the counter (10) are arranged on the top of the screw hole (91) which is close to the corresponding screw hole (91). 2. The installation device for suspension lightning arrester according to claim 1, characterized in that, the screw hole (91) on the fixing channel steel (9) is located outside the connecting hole (93) adjacent thereto. 3. The installation device of the suspension lightning arrester according to claim 1, characterized in that, two adjacent screw holes (91) at the bottom of the fixed channel steel (9) and two adjacent first strip holes (92) in pairs A first strip-shaped hole (92) is further arranged between them. 4. The installation device for suspension lightning arrester according to any one of claims 1-3, characterized in that, the top of the lightning arrester (1) is provided with a first hanging plate (4), a U connected to the first hanging plate (4) U-shaped hanging ring (3), the U-shaped hanging ring (3) is hung on the U-shaped screw (2); the bottom of the arrester (1) is provided with a second hanging plate (5), and the second hanging plate (5) passes through the ball head The hanging ring (6) is connected to the top of the supporting insulator (8); the U-shaped screw (2) is connected to the two screw holes (91) in the middle of the bottom surface of the fixed channel steel (9) by two straight rod screws, and the counter (10) is close to the U-shaped Screw (2) is connected on the connecting hole (93) on the fixed channel steel (9) side, and the two ends of fixed channel steel (9) are respectively connected on the cross arm of the tension tower, and the fixed channel steel (9) The two tail ends respectively protrude from the cross arm of the strain tower. 5. The installation device of suspension lightning arrester according to claim 4, it is characterized in that, the two ends of fixed channel steel (9) respectively are connected in the cooperation of two straight rod screws and two first strip holes (92). On the cross arm of the strain tower. 6. the installation device of suspension lightning arrester according to claim 4, is characterized in that, the two ends of fixed channel steel (9) respectively pass through a first strip-shaped hole (92) adjacent to each by two straight rod screws and A screw hole (91) is connected on the cross arm of the strain tower. 7. according to the installation device of claim 5 or 6 described suspension lightning arresters, it is characterized in that, the tail end of support insulator (8) connects the second hanging plate (5) by the first hanging plate (4), the second hanging plate ( 5) The tail end is connected with a vertical clamp (7). 8. The installation device for suspension lightning arrester according to claim 7, characterized in that, the first hanging plate (4) is a W-shaped bowl-head hanging plate; the second hanging plate (5) is a WS-shaped bowl-head hanging plate . 9. The installation device of the suspension arrester according to claim 8, characterized in that the arrester (1) is a multi-layer sealed composite insulated zinc oxide arrester. 10. The installation device for suspension lightning arresters according to claim 8, characterized in that the supporting insulator (8) is a porcelain insulator.

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