CN216215510U

CN216215510U - 35kV simple single-rod bearing cross arm

Info

Publication number: CN216215510U
Application number: CN202122380721.8U
Authority: CN
Inventors: 马文杰; 林勇; 陈玉军; 夏波; 隆中强; 祖力亚尔·马木提; 邵鑫; 孙国龙; 高伟; 毛智力; 詹永兵; 李旭辉
Original assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-05
Anticipated expiration: 2031-09-29

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-rod bearing cross arm

Technical Field

The utility model relates to the technical field of 35kV transmission line disconnection fault operation, in particular to a 35kV simple single-rod bearing cross arm.

Background

With the development of social economy and the technical progress of the power industry, national economy and common people's life have stronger and stronger dependence on power supply and higher requirements on power supply reliability. The method for ensuring the power supply reliability is to create an energy system which is more reliable, clean, environment-friendly, intelligent, open and high in economic efficiency. The reliability of the power transmission line is ensured, namely the reliability of power supply is improved, so that the fundamental industry and the utility of national economy and social development can be efficiently supported. Therefore, the improvement of the power supply reliability is an important guarantee for the development of long-term security in society, and is also a long-term pursuit target and task in the power industry.

A simple 35kV single-rod bearing cross arm is an auxiliary device designed for optimizing the safety performance of the broken line fault operation of a 35kV power transmission line in the power industry. In the 35kV line disconnection fault of the power transmission line, the line disconnection accident caused by short circuit frequently occurs, original auxiliary facilities on the straight single rod need to be detached when the wire is recovered, the straight single rod bears unbalanced tension when the wire is disconnected, serious injury is easily caused to operating personnel during detachment, the operation difficulty is relatively large, the 35kV line is connected with a main network and a distribution network, the line is complicated and plays a role in junction, and the line power supply reliability must be ensured.

Disclosure of Invention

The utility model provides a 35kV simple single-rod bearing cross arm, overcomes the defects of the prior art, and can effectively solve the problems that the original auxiliary facilities on a linear single rod need to be removed when a conductor is recovered in the existing 35kV line breakage fault, but the linear single rod is easy to cause damage to operators when being removed due to unbalanced tension in the process of breakage.

The technical scheme of the utility model is realized by the following measures: the utility model provides a simple and easy single pole load cross arm of 35kV, includes fixture block, cross arm, strutting arrangement and is used for with the staple bolt that sharp single pole is fixed, the fixture block level set up and be "Contraband" font that the opening is right, the left side of fixture block and the right part outside fixed connection of staple bolt, the right-hand member swing joint of cross arm is in the inboard of fixture block, the middle part downside fixed connection of cross arm has strutting arrangement.

The following are further optimization or/and improvement of the technical scheme of the utility model:

above-mentioned staple bolt can include U-shaped buckle and arc buckle, U-shaped buckle opening right, the right part front side of U-shaped buckle is fixed with first screw rod, the right part rear side of U-shaped buckle is fixed with the second screw rod, arc buckle opening left, the left part front side of arc buckle is fixed with first fixed block, first fixed block right side be equipped with about link up and with first screw rod external diameter assorted first intercommunicating hole, it is fixed through the nut after first communicating hole is passed to first screw rod right-hand member, the left part rear side of arc buckle is fixed with the second fixed block, second fixed block right side be equipped with about link up and with second screw rod assorted second communicating hole, it is fixed through the nut after the second communicating hole is passed to the second screw rod right-hand member.

The above-mentioned still can include the bolt, and the fixture block front side is equipped with the first mounting hole that link up from beginning to end, and the fixture block rear side that corresponds first mounting hole position is equipped with the second mounting hole that link up from beginning to end, is equipped with the third mounting hole that link up from beginning to end on the cross arm that corresponds first mounting hole position, and the screw end of bolt passes through behind second mounting hole, third mounting hole and the first mounting hole in proper order to fix through the nut from back to front.

The clamping block is characterized by further comprising a fixing screw and a fixing nut, a first communicating hole which is communicated in the left and right directions is formed in the left side of the middle of the clamping block, a second communicating hole which is communicated inside and outside is formed in the outer side of the arc-shaped clamp corresponding to the position of the first communicating hole, and the left end of the fixing screw penetrates through the fixing screw, the first communicating hole and the second communicating hole in sequence and then is located on the inner side of the arc-shaped clamp.

The supporting device can comprise a front supporting leg, a rear supporting leg and supporting rods, the front side of the middle part of the cross arm is fixed with the front supporting leg, the rear side of the middle part of the cross arm corresponding to the position of the front supporting leg is fixed with the rear supporting leg, the supporting rods are fixed between the front supporting leg and the rear supporting leg, the supporting rods are distributed with at least two supporting rods which are horizontally arranged from front to back, and a supporting rod which is obliquely distributed is fixed between every two upper and lower adjacent supporting rods.

The cross arm can also comprise iron rings, and the front side and the rear side of the right part of the cross arm are fixedly connected with semicircular iron rings.

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.

Drawings

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

FIG. 2 is a top half cross-sectional structural schematic view of the preferred embodiment of the present invention.

Fig. 3 is a right-side structural schematic view of the supporting device in fig. 1.

Fig. 4 is a schematic view of the mounting structure of the present invention in use.

The codes in the figures are respectively: the cross arm is 1, 2 is the fixture block, 3 is the U-shaped buckle, 4 is the arc buckle, 5 is first screw rod, 6 is the second screw rod, 7 is first fixed block, 8 is the second fixed block, 9 is the bolt, 10 is the set screw, 11 is the set nut, 12 is the preceding support leg, 13 is the back support leg, 14 is the bracing piece, 15 is the hoop, 16 is sharp single-rod, 17 is 35kV cross arm.

Detailed Description

The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.

The utility model is further described with reference to the following examples and figures:

as shown in fig. 1, 2 and 4, the 35kV simple single-rod force-bearing cross arm comprises a fixture block 2, a cross arm 1, a supporting device and an anchor ear for fixing with the linear single rod 16, wherein the fixture block 2 is horizontally arranged and has a shape of 'Contraband' with a right opening, the left side of the fixture block 2 is fixedly connected with the outer side of the right part of the anchor ear, the right end of the cross arm 1 is movably connected with the inner side of the fixture block 2, and the lower side of the middle part of the cross arm 1 is fixedly connected with the supporting device.

When the device is used, the hoop is fixed on the outer side of the linear single rod 16 above the original 35kV cross arm 17 of the linear single rod 16, the cross arm 1 is rotated on the inner side of the fixture block 2, the lower end of the supporting device of the cross arm 1 is positioned above the original 35kV cross arm 17, and the cross arm 1 is supported to complete the installation of the device, so that the cross arm 1 serves as an auxiliary device to remove original auxiliary facilities on the linear single rod 16, so that a conductor in a 35kV circuit broken line fault is recovered, the problem that operators are easily injured when the linear single rod 16 is removed due to unbalanced tension is solved, the installation is simple, the safety performance is high, and the operation efficiency is improved.

The simple 35kV single-rod bearing cross arm can be further optimized or/and improved according to actual requirements:

as shown in the accompanying drawing 2, the staple bolt comprises a U-shaped buckle 2 and an arc-shaped buckle 4, the opening of the U-shaped buckle is rightward, a first screw rod 5 is fixed on the front side of the right part of the U-shaped buckle 2, a second screw rod 6 is fixed on the rear side of the right part of the U-shaped buckle 2, the opening of the arc-shaped buckle 4 is leftward, a first fixed block 7 is fixed on the front side of the left part of the arc-shaped buckle 4, a first through hole which is communicated with the left side and the right side of the first fixed block 7 and is matched with the outer diameter of the first screw rod 5 is formed, the right end of the first screw rod 5 passes through the first through hole and is fixed through a nut, a second fixed block 8 is fixed on the rear side of the left part of the arc-shaped buckle 4, a second through hole which is communicated with the second screw rod 6 and is formed by communicating the left side and the right side of the second fixed block, and the right end of the second screw rod 6 passes through the second through hole and is fixed through the nut.

By means of the arrangement, the linear single rod 16 is placed on the inner sides of the U-shaped buckle 2 and the arc-shaped buckle 4, the U-shaped buckle 2 and the arc-shaped buckle 4 are fixed on the outer side of the linear single rod 16 by screwing the nuts, and therefore the linear single rod 16 and the U-shaped buckle are convenient to fix.

As shown in the attached drawing 2, the fixture further comprises a bolt 9, a first mounting hole which is through from front to back is formed in the front side of the fixture block 2, a second mounting hole which is through from front to back is formed in the rear side of the fixture block 2 corresponding to the position of the first mounting hole, a third mounting hole which is through from front to back is formed in the cross arm 1 corresponding to the position of the first mounting hole, and a screw end of the bolt 9 sequentially penetrates through the second mounting hole, the third mounting hole and the first mounting hole from back to front and then is fixed through a nut.

Through setting up like this, make cross arm 1 rotate and connect in the outside of screw rod, be convenient for cross arm 1's installation and dismantlement.

As shown in the attached drawing 2, the clamping device further comprises a fixing screw rod 10 and a fixing screw cap 11, a first communicating hole which is through from left to right is formed in the left side of the middle of the clamping block 2, a second communicating hole which is through from inside to outside is formed in the outer side of the arc-shaped buckle 4 corresponding to the position of the first communicating hole, and the left end of the fixing screw rod 10 sequentially penetrates through the fixing screw cap 11, the first communicating hole and the second communicating hole and then is located on the inner side of the arc-shaped buckle 4.

Through setting up like this, the left end of clamping screw 10 passes behind clamping nut 11, first intercommunicating pore and the second intercommunicating pore in proper order and lies in 4 inboards of arc buckle and the outside of sharp single pole 16 offsets, through screwing up clamping nut 11, is in the same place fixture block 2 is fixed with arc buckle 4, and is fixed with sharp single pole 16 simultaneously, has guaranteed the steadiness that fixture block 2 and arc buckle 4 are connected.

As shown in fig. 3, the supporting device includes a front supporting leg 12, a rear supporting leg 13 and supporting rods 14, the front side of the middle portion of the cross arm 1 is fixed with the front supporting leg 12, the rear side of the middle portion of the cross arm 1 corresponding to the position of the front supporting leg 12 is fixed with the rear supporting leg 13, the supporting rods 14 are fixed between the front supporting leg 12 and the rear supporting leg 13, the supporting rods 14 include at least two supporting rods 14 which are horizontally arranged from front to back, and the supporting rods 14 which are obliquely distributed are fixed between every two adjacent supporting rods 14.

By such arrangement, the original 35kV cross arm 17 supports the cross arm 1 of the present invention.

As shown in fig. 1, 2 and 4, the cross arm further comprises iron rings 15, and semicircular iron rings 15 are fixedly connected to the front side and the rear side of the right part of the cross arm 1.

By providing the iron ring 15, a tool to be used can be hung on the iron ring 15 during work, so that the burden on the worker is reduced, and the work can be performed easily.

The technical characteristics form an embodiment of the utility model, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims

1. The utility model provides a simple and easy single pole load cross arm of 35kV, its characterized in that includes fixture block, cross arm, strutting arrangement and is used for with the staple bolt of sharp single pole fixed, the fixture block level set up and be "Contraband" font that the opening is right, the left side of fixture block and the right part outside fixed connection of staple bolt, the right-hand member swing joint of cross arm is in the inboard of fixture block, the middle part downside fixed connection of cross arm has strutting arrangement.

2. The 35kV simple single-rod force-bearing cross arm according to claim 1, wherein the anchor ear comprises a U-shaped buckle and an arc-shaped buckle, the U-shaped buckle is opened rightwards, a first screw is fixed on the front right side of the U-shaped buckle, a second screw is fixed on the rear right side of the U-shaped buckle, the arc-shaped buckle is opened leftwards, a first fixed block is fixed on the front left side of the arc-shaped buckle, a first through hole which penetrates left and right and is matched with the outer diameter of the first screw is formed in the right side of the first fixed block, the right end of the first screw is fixed through a nut after penetrating through the first through hole, a second fixed block is fixed on the rear left side of the arc-shaped buckle, a second through hole which penetrates left and right and is matched with the second screw is formed in the right side of the second fixed block, and the right end of the second screw is fixed through a nut after penetrating through the second through hole.

3. The 35kV simple single-rod bearing cross arm according to claim 1 or 2, further comprising a bolt, wherein a first mounting hole penetrating through the front and back is formed in the front side of the fixture block, a second mounting hole penetrating through the front and back is formed in the rear side of the fixture block corresponding to the first mounting hole, a third mounting hole penetrating through the front and back is formed in the cross arm corresponding to the first mounting hole, and a screw end of the bolt sequentially penetrates through the second mounting hole, the third mounting hole and the first mounting hole from back to front and is fixed by a nut.

4. The 35kV simple single-rod force-bearing cross arm as claimed in claim 2, further comprising a fixing screw and a fixing nut, wherein a first communicating hole is formed in the left side of the middle of the clamping block, the first communicating hole is formed in the left side of the middle of the clamping block, a second communicating hole is formed in the outer side of the arc-shaped clamp corresponding to the position of the first communicating hole, the second communicating hole is formed in the outer side of the arc-shaped clamp, and the left end of the fixing screw penetrates through the fixing nut, the first communicating hole and the second communicating hole in sequence and then is located on the inner side of the arc-shaped clamp.

5. The 35kV simple single-rod force-bearing cross arm as claimed in claim 3, further comprising a fixing screw and a fixing nut, wherein a first communicating hole is formed in the left side of the middle of the clamping block, the first communicating hole is formed in the left side of the middle of the clamping block, a second communicating hole is formed in the outer side of the arc-shaped clamp corresponding to the position of the first communicating hole, the second communicating hole is formed in the outer side of the arc-shaped clamp, and the left end of the fixing screw penetrates through the fixing nut, the first communicating hole and the second communicating hole in sequence and then is located on the inner side of the arc-shaped clamp.

6. The 35kV simple single-rod bearing cross arm according to claim 1, 2, 4 or 5, wherein the supporting device comprises a front supporting leg, a rear supporting leg and supporting rods, the front side of the middle part of the cross arm is fixed with the front supporting leg, the rear side of the middle part of the cross arm corresponding to the position of the front supporting leg is fixed with the rear supporting leg, the supporting rods are fixed between the front supporting leg and the rear supporting leg, the supporting rods comprise at least two supporting rods which are horizontally arranged from front to back, and one supporting rod which is obliquely distributed is fixed between every two adjacent supporting rods.

7. The 35kV simple single-rod bearing cross arm according to claim 3, wherein the supporting device comprises a front supporting leg, a rear supporting leg and supporting rods, the front side of the middle part of the cross arm is fixed with the front supporting leg, the rear side of the middle part of the cross arm corresponding to the position of the front supporting leg is fixed with the rear supporting leg, the supporting rods are fixed between the front supporting leg and the rear supporting leg, the supporting rods comprise at least two supporting rods which are horizontally arranged from front to back, and at least one supporting rod which is obliquely distributed is fixed between every two adjacent supporting rods.

8. The 35kV simple single-rod bearing cross arm as claimed in claim 1, 2, 4, 5 or 7, which is characterized by further comprising an iron ring, wherein the front side and the rear side of the right part of the cross arm are fixedly connected with semicircular iron rings.

9. The 35kV simple single-rod bearing cross arm of claim 3, further comprising an iron ring, wherein the front side and the rear side of the right part of the cross arm are fixedly connected with semicircular iron rings.

10. The 35kV simple single-rod bearing cross arm of claim 6, further comprising an iron ring, wherein the front side and the rear side of the right part of the cross arm are fixedly connected with semicircular iron rings.