CN219322042U

CN219322042U - Jumper insulator string

Info

Publication number: CN219322042U
Application number: CN202320345303.1U
Authority: CN
Inventors: 张举海; 刘成; 谢正连; 宋美盈; 文梦甜; 夏松; 黄启军
Original assignee: Middling Coal Science And Engineering Chongqing Engineering Technology Co ltd
Current assignee: Middling Coal Science And Engineering Chongqing Engineering Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-07
Anticipated expiration: 2033-02-28

Abstract

The application relates to the field of insulator string installation technology, in particular to a jumper insulator string, which comprises an insulator string main body, a connecting rod arranged at the end part of the insulator string main body and at least two wire clamps arranged on the connecting rod; one end of the wire clamp, which is far away from the insulator string main body, is used for fixing the electric wire in a clamping mode. This application can effectually reduce the damage that the bending type that wire swing led to caused the electric wire.

Description

Jumper insulator string

Technical Field

The application relates to the field of insulator string installation technology, in particular to a jumper insulator string.

Background

The insulator chain is mainly used for keeping a certain safety distance between the high-voltage electric wire and the iron tower, so that one end of the insulator chain is connected with the electric wire and the other end of the insulator chain is connected with the iron tower during installation, and the electric wire and the iron tower are kept at the safety distance.

In the actual installation process, the electric wires can sequentially pass through different iron towers in the conveying process so as to realize long-distance electric power transmission. Meanwhile, in the long-distance power transmission process, the span of the two adjacent towers is relatively large, so that the part of the electric wire between the two adjacent towers tends to droop under the action of gravity, and the part of the electric wire connected to the towers through the insulator chain is bent upwards compared with the electric wire at the middle part. At this time, if install and fix the electric wire through the insulator chain directly, can lead to the electric wire to be connected with the insulator chain local angle of bending too big, the electric wire can also receive outside wind and rain influence and take place wind and rain excitation in the operation process, very easily lead to electric wire local damage because of local angle of bending is too big and the swing, influences stability and the security of electric power transmission.

Disclosure of Invention

In order to reduce the influence of local bending angles on the electric wire, the application provides a jumper insulator string.

The jumper insulator chain provided by the application adopts the following technical scheme:

a jumper wire insulator chain comprises an insulator chain main body, a connecting rod arranged at the end part of the insulator chain main body and at least two wire clamps arranged on the connecting rod; one end of the wire clamp, which is far away from the insulator string main body, is used for fixing the electric wire in a clamping mode.

Through adopting above-mentioned technical scheme, when the installation, the fastener passes through the connecting rod to be connected in insulator chain main part, and the electric wire passes through by the fastener centre gripping simultaneously, realizes the installation of electric wire to after the installation, because the electric wire is under the influence of outside wind and rain, can make the electric wire of fastener both sides lead to the direction of buckling to have inconsistent even reverse condition because of the swing, can do the middle buffering through the electric wire that is located between a plurality of fastener this moment, in order to reduce the angle that electric wire local frequently bends, thereby reduce the possibility that the bending led to the fact the damage to the electric wire.

Optionally, the connecting rod passes through coupling assembling and connects in the tip of insulator chain main part, coupling assembling includes two connecting plates and a plurality of connecting bolt, the connecting rod is held in two connecting plates, and two the connecting plate corresponds the position of connecting rod both sides all through connecting bolt fastening, the connecting plate passes through the connecting piece and connects in insulator chain main part.

Through adopting above-mentioned technical scheme, in the installation, through two connecting plates with the connecting rod centre gripping and through connecting bolt fixed, the connecting plate passes through the connecting piece to be connected in insulator chain main part simultaneously, when can be relatively convenient installation, can also keep the surplus of certain relative activity to reduce the possibility that leads to connecting rod and connecting plate to break away from because of the swing of electric wire.

Optionally, the connecting piece includes connecting pin and connecting seat, the one end fixedly connected with joint piece of connecting pin, the spread groove that is used for joint piece has been seted up to the connecting seat, the joint piece card is located in the spread groove, just the insulator chain main part and connecting plate are connected respectively to the one end that connecting pin and connecting seat keep away from mutually.

Through adopting above-mentioned technical scheme, because the joint piece card is located in the spread groove, can make the connecting pin have certain relative circumference pivoted surplus this moment relative connecting seat to can make the angle modulation when the connecting rod further adapt to the electric wire swing, the angle that makes the fastener on the connecting rod follow the electric wire and bend reduces the angle that the electric wire was locally bent when swinging.

Optionally, a connecting port is formed at one end of the connecting pin or the connecting seat, facing the connecting rod, and the two connecting plates are clamped in the connecting port and fixedly connected to the side wall of the connecting port through bolts.

Through adopting above-mentioned technical scheme, connecting pin or connecting seat are located in the connector through the card and are fixed through the bolt for rotate between connecting pin or connecting seat and the connecting plate and be connected, balanced atress through two lateral walls of connector simultaneously, stability and adaptability when optimizing the use.

Optionally, two the connecting plates keep away from the sunken shaping that has limit portion mutually of one end that the insulator chain was kept away from, limit portion is used for the card to establish the electric wire.

Through adopting above-mentioned technical scheme, can assist to make auxiliary stay and restriction to the electric wire of connecting rod below.

Optionally, the connecting rod is tubular structure and its both ends lid is fixed with the end cover.

By adopting the technical scheme, the corrosion of external wind and rain and the like to the inside of the connecting rod can be reduced while the whole mass is lightened.

Optionally, the fastener is including being the grip block and a plurality of clamping bolt that wears to locate the grip block of U-shaped plate column structure, the portion of bending of grip block is used for the centre gripping fixed wire, the connecting rod is by the centre gripping between two curb plates of grip block and through clamping bolt fastening.

Through adopting above-mentioned technical scheme, when the centre gripping electric wire, only need with the electric wire centre gripping between two grip blocks and through the clamping bolt fastening can.

Optionally, the inboard of grip block bending portion is equipped with the rubber pad, the inboard of rubber pad is used for the centre gripping electric wire.

Through adopting above-mentioned technical scheme, the rubber pad can be to making the buffering between electric wire and the connecting plate to reduce the electric wire and bend and produce the possibility of wearing and tearing.

Optionally, the one end that the connecting rod was kept away from to the insulator chain main part is equipped with the fastener that is used for connecting the iron tower, the fastener includes the binding pin and is used for connecting the fastening seat of iron tower, the one end of binding pin is connected in the fastening seat, the other end of binding pin takes shape equally and has the joint piece, the spread groove has been seted up to the one end that the connecting rod was kept away from to the insulator chain main part, just the joint piece card on the binding pin is located in the spread groove in the insulator chain main part.

Through adopting above-mentioned technical scheme for have between binding pin and the fastening seat and swing and pivoted surplus, thereby when making insulator chain main part connect in the iron tower, can have certain swing and pivoted surplus relative the iron tower.

Optionally, the fastening seat is in a U-shaped plate structure, and the two side plates of the fastening seat are penetrated with fastening bolts, and the fastening bolts penetrate through the fastening pins.

Through adopting above-mentioned technical scheme, when the electric wire swings, impact force and the load that produce all transmit to the fastening seat through the fastening pin, and the fastening seat is the platelike structure of U-shaped and fastening pin is located between two curb plates of fastening seat this moment, can reduce the moment of torsion that fastening bolt produced when bearing the load, reduces the possibility of bending because of the moment leads to fastening bolt to stability when further optimizing the use.

In summary, the present application includes at least one of the following beneficial technical effects:

when using, two grip blocks are with electric wire centre gripping, support the part that is located between two fastener through the restriction portion on two connecting plates simultaneously to reduce the damage that appears leading to the too big pair of electric wire of angle of bending because of the electric wire swing direction of connecting rod both sides position is opposite, can also do the intermediate buffering through the electric wire of position between two fastener this moment, thereby reduce the possibility that leads to the fact the influence to self because of the electric wire swing.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is an enlarged schematic view of the portion B in fig. 1.

Reference numerals illustrate: 1. an insulator string body; 2. a connecting rod; 21. an end cap; 3. a wire clamp; 31. a clamping plate; 311. a rubber pad; 312. a clamping part; 32. clamping bolts; 4. a connection assembly; 41. a connecting plate; 411. a restriction portion; 42. a connecting bolt; 43. a connecting piece; 431. a connecting pin; 432. a connecting seat; 433. a clamping block; 434. a connecting groove; 435. a connection port; 5. a fastener; 51. a fastening pin; 52. a fastening seat; 521. a fastening bolt; 522. and (5) fixing bolts.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a jumper insulator chain. Referring to fig. 1 and 2, the jumper insulator string includes an insulator string main body 1, a connecting rod 2 disposed at one end of the insulator string main body 1, and at least two wire clamps 3, in this embodiment, two wire clamps 3 are used as an example. The wire clamp 3 is arranged at the position on the connecting rod 2, which is positioned at two sides of the insulator string main body 1, and the wire clamp 3 is used for fixing the electric wire in a clamping mode. Wherein, connecting rod 2 is tubular structure and both ends lid and is fixed with end cover 21 to when being used for alleviateing the quality, reduce the erosion of outside wind and rain etc. to connecting rod 2.

Specifically, the wire clamp 3 includes a clamping plate 31 and a plurality of clamping bolts 32, the clamping plate 31 is in a plate-like structure of a U shape, and an opening of the clamping plate 31 is provided toward the insulator string main body 1. The connecting rod 2 is clamped between the two side plates of the opening end of the clamping plate 31, two clamping bolts 32 are arranged, the two clamping bolts 32 are respectively located on two sides of the connecting rod 2, and the clamping bolts 32 penetrate through the two side plates of the clamping plate 31 to be used for pressing the clamping plate 31 on the connecting rod 2 and fastening the connecting rod 2.

Referring to fig. 1 and 2, the clamping plate 31 is disposed apart from the recess at a portion corresponding to the connection rod for adapting to the connection rod 2. Meanwhile, the end portion of the clamping plate 31 far away from the opening end is concavely formed with a clamping portion 312 for the power supply line to pass through, and the inner wall of the clamping portion 312 is cushioned and fixed with a rubber pad 311 for clamping the power line, and at the same time, rigid impact applied to the power line is relieved through the rubber pad 311.

In addition, the connecting rod 2 is connected to one end of the insulator string body 1 through the connecting assembly 4, and the other end of the insulator string body 1 is used for connecting an iron tower. The connecting assembly 4 comprises two connecting plates 41 and a plurality of connecting bolts 42, the middle part of the connecting rod 2 is clamped between the two connecting plates 41, and the parts of the two connecting plates 41 for clamping the connecting rod 2 are concavely arranged for adapting the connecting rod 2.

Meanwhile, one end of the two connecting plates 41 far away from the insulator string main body 1 is far away from the recess forming limiting part 411, so as to be used for clamping the electric wire and playing a supporting role on the part of the electric wire between the two wire clamps 3. One end of the two connection plates 41 facing the insulator string body 1 is connected to an end of the insulator string body 1 by a connection piece 43.

Referring to fig. 1 and 2, the connection member 43 includes a connection pin 431 and a connection seat 432, one end of the connection pin 431 is fixedly connected with a ball-shaped clamping block 433, and the diameter of the clamping block 433 is larger than that of the connection pin 431, so that the overall profile of the connection pin 431 is T-shaped. The connecting seat 432 is provided with a connecting groove 434 for clamping the clamping block 433, the connecting groove 434 is arranged towards the opening of the insulator string main body 1 and towards the side opening of the insulator string main body 1, the outline of the side opening of the connecting groove 434 is T-shaped, and the small end of the connecting groove 434 is arranged towards the insulator string main body 1. The clamping block 433 is clamped in the connecting groove 434 and is prevented from being separated from the connecting groove 434 by the clamping block 433.

The connection pin 431 is fixedly connected to one end of the insulator string body 1 facing the connection rod 2, and the connection seat 432 is used for connecting the two connection plates 41. Specifically, the connecting seat 432 is provided with the connecting port 435 towards one end of the connecting rod 2, the two connecting plates 41 are clamped in the connecting port 435 towards one end of the insulator string main body 1 and fastened by bolts penetrating through the two connecting plates 41 and the connecting seat 432, so that the insulator string main body 1 can be connected with the connecting rod 2, and meanwhile, the insulator string main body 1 can rotate relative to the connecting plates 41 and the connecting rod 2, so that the angle change of the electric wire swinging is adapted.

Of course, in other embodiments, the connection pins 431 may be directly and fixedly connected to the two connection plates 41 by bolts, and the connection seats 432 are fixedly connected to the end of the insulator string body 1 facing the connection rod 2.

Referring to fig. 1 and 3, in addition, the insulator string body 1 is provided at one end thereof remote from the connection rod 2 with a fastener 5 for connecting the iron tower.

The fastener 5 comprises a fastening pin 51 and a fastening seat 52, one end of the fastening pin 51 is fixedly connected with a clamping block 433, one end of the insulator string main body 1 far away from the connecting rod 2 is provided with a connecting groove 434, and the clamping block 433 on the fastening pin 51 is clamped in the connecting groove 434 on the end part of the insulator string main body 1 and fastened through the clamping pin.

Referring to fig. 1 and 3, at the same time, the fastening seat 52 has a U-shaped plate structure, and both side plates of the fastening seat 52 are penetrated with fastening bolts 521. The other end of the fastening pin 51 has an annular structure and is engaged with the inner sides of the two side plates of the fastening seat 52, and the fastening bolt 521 is inserted into the annular end of the fastening pin 51, thereby rotatably connecting the fastening pin 51 to the fastening seat 52. Meanwhile, in order to connect the fastening seat 52 to the iron tower, a fastening hole is formed at one end of the fastening seat 52 away from the connecting rod 2, and a fixing bolt 522 is inserted into the fastening hole for connecting the iron tower.

The implementation principle of the embodiment of the application is as follows: when the wire clamp is used, the two wire clamps 3 fix the wires in a clamping mode, and meanwhile the limiting parts 411 on the two connecting plates 41 assist in supporting the parts of the wires between the two wire clamps 3, so that damage to the wires caused by overlarge bending angles due to opposite wire swinging directions of the two sides of the connecting rod 2 is reduced, and meanwhile, the wires at the positions between the two wire clamps 3 can be buffered in the middle, so that the possibility of influence on the wires due to wire swinging is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A jumper insulator chain, its characterized in that: the insulator string comprises an insulator string body (1), a connecting rod (2) arranged at the end part of the insulator string body (1) and at least two wire clamps (3) arranged on the connecting rod (2);

one end of the wire clamp (3) far away from the insulator string main body (1) is used for fixing the electric wire in a clamping mode.

2. The jumper insulator string of claim 1, wherein: connecting rod (2) are connected in the tip of insulator chain main part (1) through coupling assembling (4), coupling assembling (4) are including two connecting plates (41) and a plurality of connecting bolt (42), connecting rod (2) are held in two connecting plates (41), and two connecting plate (41) correspond the position of connecting rod (2) both sides all through connecting bolt (42) fastening, connecting plate (41) are connected in insulator chain main part (1) through connecting piece (43).

3. The jumper insulator string of claim 2, wherein: the connecting piece (43) comprises a connecting pin (431) and a connecting seat (432), one end of the connecting pin (431) is fixedly connected with a clamping block (433), the connecting seat (432) is provided with a connecting groove (434) for clamping the clamping block (433), the clamping block (433) is clamped in the connecting groove (434), and one ends, far away from the connecting pin (431) and the connecting seat (432), of the connecting piece are respectively connected with the insulator string main body (1) and the connecting plate (41).

4. A jumper insulator string according to claim 3, characterised in that: connecting pins (431) or connecting seats (432) are provided with connecting ports (435) towards one end of the connecting rod (2), and two connecting plates (41) are clamped in the connecting ports (435) and fixedly connected to the side walls of the connecting ports (435) through bolts.

5. The jumper insulator string of claim 2, wherein: one end, far away from the insulator chain main body (1), of each connecting plate (41) is far away from the recess, and a limiting part (411) is formed, and the limiting parts (411) are used for clamping wires.

6. The jumper insulator string of claim 1, wherein: the connecting rod (2) is of a tubular structure, and end covers (21) are fixedly covered at two ends of the connecting rod.

7. The jumper insulator string of claim 1, wherein: the wire clamp (3) comprises a clamping plate (31) with a U-shaped plate-shaped structure and a plurality of clamping bolts (32) penetrating through the clamping plate (31), bending parts of the clamping plate (31) are used for clamping and fixing wires, and the connecting rod (2) is clamped between two side plates of the clamping plate (31) and fastened through the clamping bolts (32).

8. The jumper insulator string of claim 7, wherein: the inner side of the bending part of the clamping plate (31) is provided with a rubber pad (311), and the inner side of the rubber pad (311) is used for clamping an electric wire.

9. A jumper insulator string according to claim 3, characterised in that: the insulator string is characterized in that a fastener (5) used for connecting an iron tower is arranged at one end, far away from the connecting rod (2), of the insulator string main body (1), the fastener (5) comprises a fastening pin (51) and a fastening seat (52) used for connecting the iron tower, one end of the fastening pin (51) is connected to the fastening seat (52), a clamping block (433) is formed at the other end of the fastening pin (51) in a similar mode, a connecting groove (434) is formed in one end, far away from the connecting rod (2), of the insulator string main body (1), and the clamping block (433) on the fastening pin (51) is clamped in the connecting groove (434) in the insulator string main body (1).

10. The jumper insulator string of claim 9, wherein: the fastening seat (52) is of a U-shaped plate-shaped structure, the two side plates of the fastening seat (52) are penetrated with fastening bolts (521), and the fastening bolts (521) are penetrated with the fastening pins (51).