CN216215510U - 35kV Simple Single Pole Bearing Cross Arm - Google Patents

Abstract

The utility model relates to the technical field of 35kV transmission line disconnection fault operation, in particular to a 35kV simple single-rod force-bearing cross arm which comprises a fixture block, a cross arm, a supporting device and an anchor ear for fixing with a linear single rod, wherein the fixture block is horizontally arranged and is in a shape of Contraband with a right opening, the left side of the fixture block is fixedly connected with the outer side of the right part of the anchor ear, the right end of the cross arm is movably connected with the inner side of the fixture block, and the lower side of the middle part of the cross arm is fixedly connected with the supporting device. The device has the advantages of reasonable and compact structure and convenient use, the cross arm is arranged as an auxiliary device to remove the original auxiliary facilities on the straight single rod, so that the lead in the broken line fault of the 35kV line is recovered, the problem that the operating personnel are easily injured when the straight single rod is removed due to unbalanced tension is solved, the installation is simple, the safety performance is high, and the operating efficiency is improved.

Description

35kV Simple Single Pole Bearing Cross Arm

technical field

The utility model relates to the technical field of 35kV transmission line disconnection fault operation, which is a 35kV simple single-pole load-bearing cross arm.

Background technique

With the development of the social economy and the technological advancement of the power industry, the national economy and people's lives are increasingly dependent on the power supply, and the requirements for the reliability of the power supply are getting higher and higher. Ensuring the reliability of power supply is to create a more reliable, clean, environmentally friendly, intelligent and open energy system with high economic efficiency. To ensure the reliability of transmission lines, that is, to improve the reliability of power supply, so as to efficiently support the basic industries and public utilities of national economic and social development. Therefore, improving the reliability of power supply is an important guarantee for the development of long-term social stability, and it will also be the long-term goal and task of the power industry.

A 35kV simple single-pole load-bearing crossarm is an auxiliary device designed for optimizing the safety performance of 35kV transmission line disconnection fault operation in power industry transmission lines. In the 35kV line disconnection fault of transmission line, the accident of line disconnection caused by short circuit frequently occurs. When restoring the wire, it is necessary to remove the original auxiliary facilities on the linear single pole. The linear single pole bears unbalanced tension when the line is broken, and it is easy to remove The operators cause serious injuries and the work is relatively difficult. The 35kV line connects the main network and the distribution network. The lines are complex and play a pivotal role. The reliability of the line power supply must be guaranteed.

SUMMARY OF THE INVENTION

The utility model provides a 35kV simple single-pole load-bearing cross-arm, which overcomes the above-mentioned deficiencies of the prior art, and can effectively solve the need to remove the original auxiliary facilities on the linear single pole when restoring the wire in the existing 35kV line disconnection fault. However, when the linear single rod is dismantled by the unbalanced tension when the wire is broken, it is easy to cause injury to the operator.

The technical scheme of the utility model is realized by the following measures: a 35kV simple single-pole load-bearing cross arm, including a clamping block, a transverse arm, a support device and a hoop for fixing with a linear single rod, and the clamping block is arranged horizontally The left side of the clip is fixedly connected to the outer side of the right part of the hoop, the right end of the cross arm is movably connected to the inside of the clip block, and the lower side of the middle part of the cross arm is fixedly connected with a support device.

The following are further optimizations or/and improvements to the above-mentioned technical solutions of the utility model:

The above-mentioned hoop can include a U-shaped buckle and an arc-shaped buckle. The U-shaped buckle opens to the right, the right front side of the U-shaped buckle is fixed with a first screw rod, and the right rear side of the U-shaped buckle is fixed with a second screw. The screw, the arc-shaped buckle opens to the left, a first fixing block is fixed on the front side of the left part of the arc-shaped buckle, and the right side of the first fixing block is provided with a first communication hole that passes through left and right and matches the outer diameter of the first screw rod , the right end of the first screw rod passes through the first communication hole and is fixed by a nut, the left rear side of the arc-shaped buckle is fixed with a second fixing block, and the right side of the second fixing block is provided with left and right through holes and is matched with the second screw rod The right end of the second screw rod passes through the second communication hole and is fixed by a nut.

The above can also include bolts, the front side of the clamping block is provided with a first installation hole that passes through the front and rear, the rear side of the clamping block corresponding to the position of the first installation hole is provided with a second installation hole that passes through the front and rear, and the cross arm corresponding to the position of the first installation hole is provided. There is a third installation hole that runs through the front and rear, and the screw end of the bolt passes through the second installation hole, the third installation hole and the first installation hole in sequence from back to front and is fixed by a nut.

The above can also include a fixing screw and a fixing nut, the middle left of the middle part of the block is provided with a first communication hole that penetrates left and right, and the outer side of the arc-shaped buckle corresponding to the position of the first communication hole is provided with a second communication hole that penetrates inside and outside. The left end of the screw rod passes through the fixing nut, the first communication hole and the second communication hole in sequence and is located inside the arc buckle.

The above-mentioned support device may include a front support leg, a rear support leg and a support rod, a front support leg is fixed on the front side of the middle part of the cross arm, a rear support leg is fixed on the rear side of the middle part of the cross arm corresponding to the position of the front support leg, and the front support leg and the rear support leg are fixed. A support rod is fixed between the legs, and the support rod includes at least two support rods arranged up and down horizontally in a front-to-rear direction, and an obliquely distributed support rod is fixed between each of the upper and lower adjacent support rods.

The above-mentioned can also include iron rings, and semicircular iron rings are fixedly connected to the front and rear sides of the right part of the cross arm.

The utility model has a reasonable and compact structure, and is easy to use. By setting the cross arm as an auxiliary device, the original auxiliary facilities on the linear single pole are removed, so as to restore the wire in the disconnection fault of the 35kV line, and avoid the linear single pole being damaged. The problem of the balance tension is that it is easy to cause injury to the operator during dismantling. The installation is simple, the safety performance is high, and the operation efficiency is improved.

Description of drawings

Figure 1 is a schematic view of the structure of the front view of the preferred embodiment of the present invention.

FIG. 2 is a schematic plan view and half cross-sectional structure diagram of the preferred embodiment of the present utility model.

FIG. 3 is a right side structural schematic diagram of the support device in FIG. 1 .

Figure 4 is a schematic diagram of the installation structure of the utility model in use.

The codes in the accompanying drawings are: 1 is a cross arm, 2 is a clamping block, 3 is a U-shaped buckle, 4 is an arc-shaped buckle, 5 is the first screw rod, 6 is the second screw rod, and 7 is the first fixing block , 8 is the second fixing block, 9 is the bolt, 10 is the fixing screw, 11 is the fixing nut, 12 is the front supporting leg, 13 is the rear supporting leg, 14 is the supporting rod, 15 is the iron ring, and 16 is the straight single rod , 17 is 35kV cross arm.

Detailed ways

The present invention is not limited by the following examples, and specific implementations can be determined according to the technical solutions and actual conditions of the present invention.

In the present utility model, for the convenience of description, the description of the relative positional relationship of each component is described according to the layout of the accompanying drawing 1 of the specification, such as the positions of front, rear, upper, lower, left, right, etc. The relationship is determined according to the layout direction of FIG. 1 of the specification.

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

As shown in Figures 1, 2, and 4, the 35kV simple single-pole load-bearing cross-arm includes a clamping block 2, a transverse arm 1, a support device and a hoop for fixing with the linear single-pole 16. The clamping block 2 is arranged horizontally and It is in the shape of a "匚" opening to the right, the left side of the clamping block 2 is fixedly connected to the outer side of the right part of the hoop, the right end of the cross arm 1 is movably connected to the inner side of the clamping block 2, and the lower side of the middle part of the cross arm 1 is fixedly connected with support device.

When in use, fix the hoop on the outside of the linear single pole 16 above the original 35kV cross arm 17 of the linear single pole 16, and rotate the cross arm 1 inside the clamping block 2, so that the lower end of the support device of the cross arm 1 is located in the original position. Above the 35kV cross arm 17, the cross arm 1 is supported to complete the installation of the present utility model. Therefore, the cross arm 1 of the present utility model is used as an auxiliary device to remove the original auxiliary facilities on the linear single pole 16, so as to restore the 35kV The wire in the line disconnection fault avoids the problem that the linear single rod 16 is easily damaged by the unbalanced tension when it is removed, the installation is simple, the safety performance is high, and the operation efficiency is improved.

According to actual needs, the above 35kV simple single-pole load-bearing crossarm can be further optimized or/and improved:

As shown in Figure 2, the hoop includes a U-shaped buckle 2 and an arc-shaped buckle 4. The U-shaped buckle is opened to the right, and a first screw 5 is fixed on the front side of the right part of the U-shaped buckle 2. The U-shaped buckle A second screw 6 is fixed on the rear side of the right part of 2; the opening of the arc-shaped buckle 4 is leftward; A first communication hole that passes through and matches the outer diameter of the first screw 5, the right end of the first screw 5 passes through the first communication hole and is fixed by a nut, and the left rear side of the arc buckle 4 is fixed with a second fixing block 8. The right side of the second fixing block 8 is provided with a second communication hole that penetrates left and right and is matched with the second screw 6. The right end of the second screw 6 passes through the second communication hole and is fixed by a nut.

With this arrangement, the linear single rod 16 is placed on the inner side of the U-shaped buckle 2 and the arc-shaped buckle 4, and the U-shaped buckle 2 and the arc-shaped buckle 4 are fixed on the outside of the linear single rod 16 by tightening the nuts. Therefore, it is convenient to fix the utility model with the linear single rod 16 .

As shown in FIG. 2, it also includes bolts 9. The front side of the clamping block 2 is provided with a first installation hole that penetrates through the front and rear, and the rear side of the clamping block 2 corresponding to the position of the first installation hole is provided with a second installation hole that runs through the front and rear. The cross arm 1 at the position of the first installation hole is provided with a third installation hole that runs through the front and rear, and the screw end of the bolt 9 passes through the second installation hole, the third installation hole and the first installation hole in sequence from back to front, and then passes through the nut. fixed.

With this arrangement, the cross arm 1 is rotatably connected to the outside of the screw rod, which facilitates the installation and disassembly of the cross arm 1 .

As shown in FIG. 2 , it also includes a fixing screw 10 and a fixing nut 11 . The middle left side of the clamping block 2 is provided with a first communication hole that penetrates left and right, and the outer side of the arc-shaped buckle 4 corresponding to the position of the first communication hole is provided with The left end of the fixing screw 10 passes through the fixing nut 11 , the first communicating hole and the second communicating hole in turn and is located inside the arc buckle 4 .

With this arrangement, the left end of the fixing screw 10 passes through the fixing nut 11, the first communication hole and the second communication hole in sequence, and then is positioned inside the arc-shaped buckle 4 and abuts against the outer side of the linear single rod 16. By tightening the fixing nut 11, Fixing the clamping block 2 and the arc-shaped buckle 4 together and at the same time with the straight single rod 16 ensures the stability of the connection between the clamping block 2 and the arc-shaped buckle 4 .

As shown in FIG. 3 , the support device includes a front support leg 12 , a rear support leg 13 and a support rod 14 , the front support leg 12 is fixed on the front side of the middle part of the cross arm 1 , and the rear side of the middle part of the cross arm 1 corresponding to the position of the front support leg 12 is fixed A rear support leg 13 is fixed, a support rod 14 is fixed between the front support leg 12 and the rear support leg 13, and the support rod 14 includes at least two support rods 14 distributed up and down horizontally arranged in the front and rear directions, and each two adjacent upper and lower An obliquely distributed support rod 14 is fixed between the support rods 14 .

With this arrangement, the original 35kV cross arm 17 supports the cross arm 1 of the present invention.

As shown in Figures 1 , 2 and 4 , it also includes iron rings 15 , and semicircular iron rings 15 are fixedly connected to the front and rear sides of the right part of the cross arm 1 .

By arranging the iron ring 15, the tools to be used can be hung on the iron ring 15 during operation, which reduces the burden on the operator and facilitates the operation.

The above technical features constitute the embodiments of the present invention, which have strong adaptability and implementation effects, and unnecessary technical features can be increased or decreased according to actual needs to meet the needs of different situations.

Claims (10)

1. A 35kV simple single-pole load-bearing cross-arm is characterized in that it comprises a clamping block, a transverse arm, a support device and a hoop for fixing with a linear single-pole, and the clamping block is arranged horizontally and is a "匚" with an opening to the right The left side of the clamping block is fixedly connected to the outer side of the right part of the hoop, the right end of the cross arm is movably connected to the inner side of the clamping block, and a support device is fixedly connected to the lower side of the middle part of the cross arm. 2. The 35kV simple single-pole load-bearing crossarm according to claim 1, characterized in that the hoop comprises a U-shaped buckle and an arc-shaped buckle, the opening of the U-shaped buckle is to the right, and the right front side of the U-shaped buckle is A first screw is fixed, a second screw is fixed on the rear side of the right part of the U-shaped buckle, the opening of the arc-shaped buckle is leftward, a first fixing block is fixed on the front side of the left part of the arc-shaped buckle, and the first fixing block is on the right side. The side is provided with a first communication hole that penetrates left and right and matches the outer diameter of the first screw rod. The right end of the first screw rod passes through the first communication hole and is fixed by a nut. The right side of the second fixing block is provided with a second communication hole that penetrates left and right and is matched with the second screw rod, and the right end of the second screw rod passes through the second communication hole and is fixed by a nut. 3. The 35kV simple single-pole load-bearing crossarm according to claim 1 or 2, characterized in that it further comprises bolts, and the front side of the clamping block is provided with a first installation hole that runs through the front and rear, and the clamping block corresponding to the position of the first installation hole The rear side is provided with a second installation hole that penetrates through the front and rear, and the cross arm corresponding to the position of the first installation hole is provided with a third installation hole that penetrates through the front and rear, and the screw end of the bolt passes through the second installation hole, the third The installation hole and the first installation hole are fixed by nuts. 4. The 35kV simple single-pole load-bearing crossarm according to claim 2, characterized in that it further comprises a fixed screw and a fixed nut, and the middle left of the clamping block is provided with a first communication hole that penetrates left and right, corresponding to the first communication hole. The outer side of the arc-shaped buckle at the hole position is provided with a second communication hole that penetrates inside and outside, and the left end of the fixing screw rod passes through the fixing nut, the first communication hole and the second communication hole in sequence and is located inside the arc-shaped buckle. 5. The 35kV simple single-pole load-bearing crossarm according to claim 3, characterized in that it further comprises a fixed screw and a fixed nut, and the middle left of the clamping block is provided with a first communication hole that penetrates left and right, corresponding to the first communication hole. The outer side of the arc-shaped buckle at the hole position is provided with a second communication hole that penetrates inside and outside, and the left end of the fixing screw rod passes through the fixing nut, the first communication hole and the second communication hole in sequence and is located inside the arc-shaped buckle. 6. The 35kV simple single-pole load-bearing crossarm according to claim 1 or 2 or 4 or 5, characterized in that the support device comprises a front support leg, a rear support leg and a support rod, and a front support is fixed on the front side of the middle part of the crossarm The legs, corresponding to the position of the front support leg, are fixed with a rear support leg on the rear side of the middle part of the cross arm, and a support rod is fixed between the front support leg and the rear support leg. , an obliquely distributed support rod is fixed between every two adjacent support rods up and down. 7. The 35kV simple single-pole load-bearing crossarm according to claim 3, characterized in that the support device comprises a front support leg, a rear support leg and a support rod, and a front support leg is fixed on the front side of the middle part of the crossarm, corresponding to the front support leg A rear support leg is fixed on the rear side of the middle part of the cross arm at the position, and a support rod is fixed between the front support leg and the rear support leg. An obliquely distributed support rod is fixed between the adjacent support rods. 8. The 35kV simple single-pole load-bearing cross arm according to claim 1 or 2 or 4 or 5 or 7 is characterized in that it also comprises an iron ring, and the front and rear sides of the right part of the cross arm are fixedly connected with a semicircular arm. iron ring. 9 . The 35kV simple single-pole load-bearing crossarm according to claim 3 , further comprising iron rings, and semicircular iron rings are fixedly connected to the front and rear sides of the right part of the cross-arm. 10 . 10 . The 35kV simple single-pole load-bearing crossarm according to claim 6 , further comprising iron rings, and semicircular iron rings are fixedly connected to the front and rear sides of the right part of the crossarm. 11 .

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