CN217692564U

CN217692564U - Hardware fitting matched with strain rod

Info

Publication number: CN217692564U
Application number: CN202123137646.9U
Authority: CN
Inventors: 赵镔
Original assignee: Yunnan Power Grid Co Ltd
Current assignee: Yunnan Power Grid Co Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-10-28
Anticipated expiration: 2031-12-14

Abstract

The embodiment of the utility model discloses change supporting gold utensil of strain insulator pole, include: two composite insulators; adapting unit for connect two composite insulator, adapting unit includes the connecting piece, and the connecting piece includes inner bag spare and outer cover spare, and inner bag spare and the scalable setting of outer cover spare, wherein, be provided with first steel strand wires, second steel strand wires on inner bag spare and the outer cover spare respectively, first steel strand wires, second steel strand wires are connected with one of two composite insulator respectively, through the flexible of outer cover spare and inner bag spare, can change the length that changes the supporting gold utensil of strain insulator pole. Through utilizing adapting unit to link together two composite insulator to form a whole gold utensil, when the straight line pole changed tension-resisting pole, needn't change original insulator and cross arm, the work load that significantly reduces. Can fix two composite insulator simultaneously on the wire during installation, then change the interval between two composite insulator through shrink overcoat spare and inner bag spare, and then convenient and fast's taut wire.

Description

Hardware fitting matched with strain rod

Technical Field

The utility model relates to a live working technical field especially relates to a change supporting gold utensil of strain insulator pole.

Background

With the rapid development of social economy, the demand of users on uninterrupted power supply is increasing day by day, which requires that power supply enterprises vigorously develop distribution network live-line work to improve the level of safe operation of a distribution network and ensure uninterrupted power supply to a power supply area during operation. The operation of changing live straight pole into strain pole (called 'straight line changing strain' for short) is one of important operation items in distribution network live working, and is also a middle node of other live working items.

In the related art, when the tension rod is replaced with the straight rod, the cross arm and the insulator of the straight rod need to be replaced with the cross arm and the insulator of the tension rod, two insulators are generally fixed at two ends of the cross arm respectively, and the insulators need to be fixed with two spaced points on the wire respectively to tension the wire. However, the process is large in workload, and the lead is not easy to be tensioned in the replacement process, so that the lead is in a loose state, and the quality of live working is affected.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a modified strain rod fitting which is easy to install and convenient for tightening the wire, aiming at the above problems.

The embodiment of the utility model provides a change supporting gold utensil of strain insulator pole, it includes to change the supporting gold utensil of strain insulator pole:

two composite insulators;

adapting unit for with two composite insulator connects, adapting unit includes the connecting piece, the connecting piece includes inner bag spare and cover and establishes outer sleeve spare outside the inner bag spare, inner bag spare with outer sleeve spare is scalable to be set up, wherein, inner bag spare with it is provided with first steel strand wires, second steel strand wires on the sleeve spare respectively, first steel strand wires second steel strand wires are respectively with two one of composite insulator is connected, through outer sleeve spare with the flexible of inner bag spare, can change the length of the supporting gold utensil of strain insulator pole.

In some embodiments of the hardware fitting for changing the strain rod, the outer wall of the inner container member has an external thread, one end of the outer sleeve member is rotatably connected with a nut structure, the nut structure is in threaded connection with the inner container member, so that the outer sleeve member can be connected with the inner container member, and when the nut structure is rotated, the outer sleeve member can be driven to move along a direction in which the outer sleeve member is sleeved with the inner container member.

In some embodiments of the hardware fitting for changing the strain rod, a connecting portion is disposed around one end of the nut structure, a connecting groove adapted to the connecting portion in an inserting manner is disposed around one end of the outer sleeve, a rotating portion is disposed at one end of the connecting portion away from the nut structure, the outer sleeve is further provided with a rotating groove communicated with the connecting groove, and when the connecting portion is inserted into the connecting groove, the rotating portion is clamped in the rotating groove, so that the nut structure and the outer sleeve are not easily separated from each other.

In some embodiments of the hardware fitting for modifying the strain rod, the end of the first steel strand far from the composite insulator connected to the first steel strand and the end of the second steel strand far from the composite insulator connected to the second steel strand are both provided with a connector, and the inner container member and the outer sleeve member are both provided with connectors, and the connectors can be detachably connected with the connectors.

In some embodiments of the hardware fitting for changing the strain rod, the plug connector comprises a head part connected with the connector and a tail part integrally formed with the head part, a plug cavity and a through hole communicated with the plug cavity are arranged on the connector, a position opening communicated with the plug cavity and the through hole is also arranged on the connector, the opening direction of the position opening is the same as the opening direction of the through hole, the size of the head part is larger than that of the position opening, the head part enters the plug cavity through the through hole, and the tail part moves in the position opening to enable the head part to be clamped in the plug cavity.

In some embodiments of the hardware fitting matched with the strain rod, the first steel strand and the second steel strand are provided with connecting columns, the tail portion is rotatably connected to the connecting columns, the head portion is provided with an entering position and a locking position in the plugging cavity, the head portion is located at the entering position when entering the plugging cavity through the through hole, the tail portion is rotated to drive the head portion to be changed from the entering position to the locking position, and therefore the plugging head is not prone to being separated from the plugging cavity through the through hole.

In some embodiments of the hardware fitting for modifying the strain rod, the head portion includes two locking ends which are arranged oppositely and an inlet end which is arranged oppositely and is located between the two locking ends, the size of the through opening and the size of the relief opening are both smaller than the size of the insertion cavity, the distance between the two inlet ends is smaller than or equal to the size of the through opening, and the distance between the two locking ends is larger than the size of the through opening.

In some embodiments of the hardware fitting matched with the strain rod, one end of the tail part close to the connecting column is fixedly connected with a rotating part, and the rotating part can drive the plug connector to rotate.

In some embodiments of the hardware fitting matched with the modified tension rod, the circumferential wall of the rotating member is provided with anti-slip teeth to increase the friction force on the circumferential wall of the rotating member.

In some embodiments of the hardware fitting for changing the strain rod, the composite insulator includes an internal connecting piece and a connecting sleeve sleeved outside the internal connecting piece, and the internal connecting pieces of the two composite insulators are respectively connected with the first steel strand and the second steel strand.

Adopt the embodiment of the utility model provides a, following beneficial effect has:

according to the matched hardware fitting for the strain rod changing device, the two composite insulators are connected together by the connecting component to form the whole hardware fitting, when the linear rod is changed into the strain rod, the original insulator and the cross arm do not need to be replaced, the composite insulators are insulators needing to be replaced, the connecting component can serve as the cross arm, only the first steel strand and the second steel strand need to be fixed on an insulating porcelain bottle of the linear rod during replacement, and the composite insulators are fixed on the wire, so that the operation workload is greatly reduced. Through setting up telescopic overcoat piece and inner bag piece again, can change the overall length of gold utensil, and then can fix two composite insulator simultaneously on the wire, then through shrink overcoat piece and inner bag piece in order to change the interval between two composite insulator, and then convenient and fast's taut wire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

fig. 1 shows a schematic structural diagram of a modified hardware fitting used in conjunction with a tension rod according to an embodiment of the present invention;

fig. 2 shows an explosion diagram of a connection component of a hardware fitting adapted to a strain rod according to an embodiment of the present invention;

fig. 3 shows a cross-sectional view of an outer sleeve member of a hardware fitting adapted to a strain rod according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a nut structure of a hardware fitting for changing a strain rod according to an embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a plug for changing a hardware fitting used in conjunction with a strain rod according to an embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a connector of a hardware fitting for changing a strain rod according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram illustrating that the plug connector of the hardware fitting for changing the strain rod is connected to the connector and the head of the plug connector is located at the entering position according to the embodiment of the present invention;

fig. 8 shows a schematic structural diagram when the plug connector of the matched hardware fitting for strain rod is connected with the connector and the head of the plug connector is located at the locking position, which is provided by the embodiment of the utility model.

Description of the main element symbols:

1. a composite insulator; 11. an inner connecting piece; 12. connecting sleeves; 2. a connecting member; 21. a connecting member; 211. an inner container member; 212. an outer sleeve member; 2121. connecting grooves; 2122. a rotating groove; 213. a nut structure; 2131. a connecting portion; 2132. a rotating part; 22. a first steel strand; 23. a second steel strand; 240. connecting columns; 31. a plug-in connector; 311. a head portion; 3111. a locking end; 3112. an entrance end; 312. a tail portion; 313. a rotating member; 3131. anti-slip teeth; 32. a connector; 321. an insertion cavity; 322. a port; 323. let the bit port.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiment of the utility model provides a change supporting gold utensil of strain insulator pole, should change supporting gold utensil of strain insulator pole and use when live working the straight line pole and change the strain insulator pole, this supporting gold utensil can change the length of self, and then is favorable to adjusting the size to make the fixed cable of gold utensil the tensioning of being convenient for.

In an embodiment, referring to fig. 1 and fig. 2, the modified strain rod fitting includes two composite insulators 1 and a connecting member 2. The composite insulator 1 comprises an internal connecting piece 11 and a connecting sleeve 12 sleeved outside the internal connecting piece 11. The two composite insulators 1 are arranged at two ends of the connecting component 2 and are respectively used for fixing two positions of a cable so as to conveniently manufacture sectional points or install a circuit breaker on a circuit in a live-line operation mode.

The connecting part 2 is used for connecting the two composite insulators 1, the connecting part 2 comprises a connecting part 21, the connecting part 21 comprises an inner container part 211 and an outer sleeve part 212 sleeved outside the inner container part 211, the inner container part 211 and the outer sleeve part 212 are arranged in a telescopic mode, wherein a first steel strand 22 and a second steel strand 23 are arranged on the inner container part 211 and the outer sleeve part 212 respectively, the first steel strand 22 and the second steel strand 23 are connected with the inner connecting parts 11 of the two composite insulators 1 respectively, and the length of a fitting matched with the strain rod can be changed through the telescopic mode of the outer sleeve part 212 and the inner container part 211.

Through setting up outer cover 212 and inner bag piece 211, and can stretch out and draw back between outer cover 212 and the inner bag piece 211 to can change the connection distance between first steel strand wires 22 and the second steel strand wires 23, and then can change the whole distance of gold utensil. When the two composite insulators 1 are respectively fixed at two positions of the cable, the distance between the two composite insulators 1 can be controlled through the extension and contraction between the outer sleeve part 212 and the inner container part 211, and further the tensioning degree of the cable can be controlled. Or, when installing the gold utensil, can needn't install after the cable is taut earlier, allow the cable to be in and fix two composite insulator 1 simultaneously on two positions of cable under the loose state, then through the shrink between outer cover 212 and the inner bag piece 211 for be close to gradually between two composite insulator 1, and then taut cable gradually, make the installation change gold utensil more convenient. Furthermore, the embodiment of the utility model provides an in change the supporting gold utensil of strain insulator pole, utilize adapting unit 2 to connect as a whole two composite insulator 1, when sharp pole changes strain insulator pole, need not change cross arm and insulator on the sharp pole, only need with composite insulator 1 snap-on the wire, then first steel strand wires of rethread, second steel strand wires fix on the insulating porcelain insulator on sharp pole with fixed gold utensil, and then make the work load greatly reduced of whole installation.

In a specific embodiment, the inner container 211 is a cylinder, the outer wall of the inner container 211 has external threads, an outer casing cavity is formed in the outer casing 212 and has a radial dimension corresponding to that of the inner container 211, the outer casing 212 is sleeved on the inner container 211 through the outer casing cavity, one end of the outer casing 212 is rotatably connected with a nut structure 213, and the nut structure 213 is in threaded connection with the inner container 211, so that the outer casing 212 can be movably connected with the inner container 211. When the nut structure 213 is rotated, the nut structure 213 moves along the axial direction of the inner container 211, and then the outer sleeve 212 is driven to move along the axial direction of the inner container 211, so as to achieve the extension and contraction between the inner container 211 and the outer sleeve 212. Through setting up external screw thread on inner bag spare 211 and coupling nut structure 213 on outer cover piece 212, utilize the threaded connection of nut structure 213 and inner bag spare 211 for outer cover piece 212 and inner bag spare 211 swing joint, twist and move nut structure 213 and can drive outer cover piece 212 and remove.

In a more specific embodiment, please refer to fig. 3 and fig. 4, an end of the nut structure 213 is encircled with a connecting portion 2131, an end of the outer sleeve 212 at the opening of the outer sleeve cavity is encircled with a connecting groove 2121 adapted to be inserted into the connecting portion 2131, an end of the connecting portion 2131 away from the nut structure 213 is encircled with a rotating portion 2132, and the size of the rotating portion 2132 is larger than that of the connecting groove 2121. The casing 212 further has a rotation groove 2122 communicating with the connection groove 2121, when the connection portion 2131 is inserted into the connection groove 2121, the rotation portion 2132 is engaged with the rotation groove 2122, so that the nut structure 213 can be rotatably connected to the casing 212 without being easily disengaged therefrom.

In a specific embodiment, please refer to fig. 5 and fig. 6, the end of the first steel strand 22 away from the composite insulator 1 connected thereto and the end of the second steel strand 23 away from the composite insulator 1 connected thereto are both provided with a plug connector 31, the end of the outer sleeve member 212 facing away from the inner container member 211 and the end of the inner container member 211 facing away from the outer sleeve member 212 are both provided with a connector 32, and the plug connector 31 can be detachably connected with the connector 32.

Specifically, the plug connector 31 includes a head portion 311 connected to the connector 32 and a tail portion 312 integrally formed with the head portion 311, the connector 32 is provided with an insertion cavity 321 and a through hole 322 communicated with the insertion cavity 321, the connector 32 is further provided with a yielding hole 323 communicated with the through hole 322 and the insertion cavity 321, an opening direction of the yielding hole 323 is the same as an opening direction of the through hole 322, and a size of the head portion 311 is larger than a size of the yielding hole 323. It should be noted that the connector 32 is disposed in a cylindrical shape, the insertion cavity 321 is a cylindrical cavity, an axis of the insertion cavity 321 coincides with an axis of the connector 32, the through hole 322 is opened from a peripheral wall of the connector 32 toward the insertion cavity 321, and the relief hole 323 is opened at an end of the connector 32 toward the plug 31. During the process of the head 311 entering the plug cavity 321 through the through opening 322, the tail 312 moves in the relief opening 323, so that the head 311 can be clamped in the plug cavity 321.

In a more specific embodiment, please refer to fig. 7 and 8, the first steel strand 22 and the second steel strand 23 are both provided with a connecting post 240, the tail 312 is rotatably connected to the connecting post 240, the head 311 has an entering position and a locking position in the plugging cavity 321, the head 311 is located at the entering position when entering the plugging cavity 321 through the through opening 322, and the tail 312 is rotated to drive the head 311 to change from the entering position to the locking position in the plugging cavity 321, so that the plugging head 31 is not easily separated from the plugging cavity 321 through the through opening 322.

Specifically, the head 311 includes two opposite locking ends 3111 and an opposite entering end 3112 located between the two locking ends 3111, the size of the through opening 322 and the relief opening 323 are both smaller than the size of the plug-in cavity 321, the distance between the two entering ends 3112 is smaller than or equal to the size of the through opening 322, and the distance between the two locking ends 3111 is greater than the size of the through opening 322. By arranging head 311 in this manner, head 311 can enter socket cavity 321 from through opening 322 using the distance between entrance ends 3112, and then rotating tail 312 to rotate head 311 so that head 311 is in the locked position, in which entrance ends 3112 are disposed opposite through opening 322, and head 311 is confined within socket cavity 321 using the distance between two locking ends 3111 being greater than the size of through opening 322.

It should be noted that one end of the tail portion 312 close to the connecting column 240 is fixedly connected with a rotating member 313, the rotating member 313 is arranged on the peripheral wall of the tail portion 312 in an annular ring shape, and the rotating member 313 can drive the plug 31 to rotate. A circle of anti-slip teeth 3131 may be further disposed on the peripheral wall of the rotating member 313 to increase the friction force on the peripheral wall of the rotating member 313, so that the rotating member 313 can be rotated more smoothly.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a change supporting gold utensil of strain insulator pole which characterized in that includes:

two composite insulators;

2. The tension-resistant rod matched hardware fitting according to claim 1, wherein an external thread is arranged on the outer wall of the inner container piece, a nut structure is rotatably connected to one end of the outer sleeve piece, the outer sleeve piece can be connected with the inner container piece through the nut structure in threaded connection with the inner container piece, and when the nut structure is rotated, the outer sleeve piece can be driven to move along the direction in which the inner container piece is sleeved.

3. The tension rod changing hardware fitting according to claim 2, wherein a connecting portion is arranged at one end ring of the nut structure, a connecting groove is arranged at one end ring of the outer sleeve, the connecting groove is matched with the connecting portion in an inserted manner, a rotating portion is arranged at one end, away from the nut structure, of the connecting portion, the outer sleeve is further provided with a rotating groove communicated with the connecting groove, and when the connecting portion is inserted into the connecting groove, the rotating portion is clamped in the rotating groove, so that the nut structure and the outer sleeve are not prone to being separated.

4. The tension-resistant rod matched hardware fitting according to claim 2, wherein one end of the first steel strand, which is far away from the composite insulator connected with the first steel strand, and one end of the second steel strand, which is far away from the composite insulator connected with the second steel strand, are provided with plug connectors, and the inner container piece and the outer sleeve piece are provided with connectors, and the plug connectors can be detachably connected with the connectors.

5. The matched hardware fitting for the strain rod of claim 4, wherein the plug connector comprises a head part connected with the connector and a tail part integrally formed with the head part, a plug cavity and a through hole communicated with the plug cavity are arranged on the connector, a position yielding port communicated with the through hole and the plug cavity is further formed in the connector, the opening direction of the position yielding port is the same as that of the through hole, the size of the head part is larger than that of the position yielding port, and the tail part moves in the position yielding port in the process that the head part enters the plug cavity through the through hole so that the head part can be clamped in the plug cavity.

6. The strain rod changing hardware fitting according to claim 5, wherein the first steel strand and the second steel strand are provided with connecting columns, the tail portion is rotatably connected to the connecting columns, the head portion has an entering position and a locking position in the plugging cavity, the head portion is located at the entering position when entering the plugging cavity through the through hole, and the tail portion is rotated to drive the head portion to be changed from the entering position to the locking position, so that the plugging head is not prone to be separated from the through hole from the plugging cavity.

7. The strain rod matched fitting of claim 6, wherein the head portion comprises two opposite locking ends and an opposite inlet end located between the two locking ends, the size of each of the through hole and the relief hole is smaller than that of the insertion cavity, the distance between the two inlet ends is smaller than or equal to that of the through hole, and the distance between the two locking ends is larger than that of the through hole.

8. The tension-change pole matched hardware tool as claimed in claim 6, wherein a rotating member is fixedly connected to one end of the tail portion close to the connecting column, and the rotating member is rotated to drive the plug to rotate.

9. The tension-modified pole fitting according to claim 8, wherein anti-slip teeth are arranged on a peripheral wall of the rotating member to increase friction force on the peripheral wall of the rotating member.

10. The strain rod modified matched hardware tool according to any one of claims 1 to 9, wherein the composite insulator comprises an inner connector and a connecting sleeve sleeved outside the inner connector, and the inner connectors of the two composite insulators are respectively connected with the first steel strand and the second steel strand.