CN212968085U

CN212968085U - Temporary short circuit tool for strain clamp of power transmission line

Info

Publication number: CN212968085U
Application number: CN202021564964.6U
Authority: CN
Inventors: 赵静; 刘惠超; 贾华伟; 马明明; 吕丽行; 陈二涛
Original assignee: State Grid Henan Power Co Xinmi City Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Henan Power Co Xinmi City Power Supply Co; State Grid Corp of China SGCC
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-13
Anticipated expiration: 2030-07-31

Abstract

The utility model provides an interim short circuit instrument of transmission line strain clamp, including the first anchor clamps body, the second anchor clamps body and short circuit copper line, the first anchor clamps body is the same with the second anchor clamps body structure, the both ends of short circuit copper line are equipped with binding post, the first anchor clamps body includes U type anchor clamps, U type frame, articulated shaft and torsional spring, the open end of U type frame articulates in U type anchor clamps through the articulated shaft, the torsional spring cup joints on the articulated shaft, the both ends of torsional spring are connected with the both sides arm of U type frame respectively, be provided with on the crossbeam of U type frame and prevent U type frame to the first curb plate pivoted shelves pole of U type anchor clamps, be provided with the baffle on the second curb plate of U type anchor clamps, seted up on the baffle with shelves pole assorted through hole, be provided with the connecting plate on the side arm of U type frame, be. The utility model discloses a first anchor clamps body, second anchor clamps body and short circuit copper line, with drainage line and crimping pipe short circuit, overheated problem after the faying plate fastening has been solved effectively.

Description

Temporary short circuit tool for strain clamp of power transmission line

Technical Field

The utility model relates to a transmission line maintenance tool field, concretely relates to interim short circuit instrument of transmission line strain clamp.

Background

Along with the development of social economy, the requirement on the stable operation of the power transmission line is increasingly improved, in the normal operation of the line, the fastening force between a bolt and a lap plate is reduced due to factors such as mechanical vibration or overheating of the tension clamp of the iron tower, so that the clamp is loosened, the resistance at the position of the tension clamp is increased, the current is sharply increased, and the clamp is overheated, so that the serious wire breakage hidden danger exists. One of the traditional methods is to process the line after power failure, but some enterprises can not have power failure due to production requirements, need to carry out live processing, or can carry out power failure processing when waiting for large-scale maintenance.

The existing treatment method is to clamp the loose part of the wire clamp by some special tools, so that the resistance of the contact part is within the allowable range, but the repair method is not suitable for repairing the lap plate which is loosened and seriously corroded. After the loose and severely corroded lap joint plate is simply clamped by a tool, the contact resistance can not be reduced to the allowable range, and the risk of overheating or even fusing exists in the subsequent use process.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an interim short circuit instrument of transmission line strain clamp carries out the short circuit with drainage wire and crimping pipe, has solved overheated problem after the faying plate fastening effectively. The technical scheme of the utility model as follows:

the utility model provides an interim short circuit instrument of transmission line strain clamp, including the first anchor clamps body, the second anchor clamps body and short circuit copper line, the first anchor clamps body is the same with the second anchor clamps body structure, the both ends of short circuit copper line are equipped with binding post, the first anchor clamps body includes U type anchor clamps, U type frame, articulated shaft and torsional spring, the open end of U type frame articulates in U type anchor clamps through the articulated shaft, the torsional spring cup joints on the articulated shaft, the both ends of torsional spring are connected with the both sides arm of U type frame respectively, be provided with on the crossbeam of U type frame and prevent U type frame to the first curb plate pivoted shelves pole of U type anchor clamps, be provided with the baffle on the second curb plate of U type anchor clamps, seted up on the baffle with shelves pole assorted through hole, be provided with the connecting plate on the side arm of U type frame, be.

The stop lever is hinged to a cross beam of the U-shaped frame, and the baffle is hinged to the outer side of the second side plate of the U-shaped clamp.

And the other side arm of the U-shaped frame and the first side plate of the U-shaped clamp are provided with anchor ears matched with each other, and the inner walls of the anchor ears are provided with arc-shaped linings.

The temporary short circuit tool for the tension clamp of the power transmission line further comprises an operating rod and a connecting clamping head for movably connecting the operating rod with the first clamp body or the second clamp body, and a force application hook is arranged on the operating rod.

The lower part of the operating rod is made of insulating materials.

The upper end of the connecting clamping head is fixedly connected with the bottom of the U-shaped clamp, the lower end of the connecting clamping head is a cylinder, and two symmetrical limiting pins are arranged on the outer circle of the cylinder along the radial direction.

The upper part of the operating rod is in a hollow tubular shape, and two L-shaped openings are symmetrically arranged on the tube wall.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of interim short circuit instrument of transmission line strain clamp through the first anchor clamps body, the second anchor clamps body and short circuit copper line, with drainage line and crimping pipe short circuit, has solved overheated problem after the faying plate fastening effectively.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view in a state where the clamp bodies and the connecting rods are combined;

FIG. 3 is a schematic structural view of the U-shaped frame, the torsion spring and the hinge shaft;

fig. 4 is a schematic structural view of the operation lever.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, it is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The utility model discloses in use the direction that cleaning device gos forward as the place ahead.

When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments thereof.

As shown in fig. 1-4, an interim short circuit instrument of transmission line strain clamp, first anchor clamps body a, second anchor clamps body b and short circuit copper line 9, first anchor clamps body a and second anchor clamps body b structure are the same, the both ends of short circuit copper line 9 are equipped with binding post 91, first anchor clamps body a includes U type anchor clamps 3, U type frame 4, articulated shaft 5 and torsional spring 6, the open end of U type frame 4 passes through articulated shaft 5 and articulates in U type anchor clamps 3, invert when U type frame 4 promptly, U type frame 4 can only rotate in U type anchor clamps 3, can not rotate the outside of U type anchor clamps 3. The torsion spring 6 is sleeved on the hinge shaft 5, two ends of the torsion spring 6 are respectively connected with two side arms 41 of the U-shaped frame 4, a cross beam 42 of the U-shaped frame 4 is provided with a stop lever 7 for preventing the U-shaped frame 4 from rotating towards a first side plate 31 of the U-shaped fixture 3, a baffle plate 8 is arranged on a second side plate 32 of the U-shaped fixture 3, a through hole (not shown in the figure) matched with the stop lever 7 is arranged on the baffle plate 8, the stop lever 7 is inserted into the through hole on the baffle plate 8 by bypassing the cross beam 42 of the U-shaped frame 4, the U-shaped frame 4 can not rotate towards the first side plate 31 of the U-shaped fixture 3, at the moment, the torsion spring 6 is in a stressed state, the fixture body is in a state to be triggered, the stop lever 7 is taken out from the through hole on the baffle plate 8, the U-shaped frame 4 rotates towards the first side plate 31 of the U-shaped fixture 3 under the action of the torsion spring 6, at this time, the clamp body is in a trigger state. The principle that the mouse clip is adopted for triggering the clip body is simple to operate, few in steps, time-saving, labor-saving and high in efficiency. A connecting plate 43 is arranged on one side arm 41 of the U-shaped frame 3, and a bolt pair 44 matched with the wiring terminal 91 is arranged on the connecting plate 43. The short-circuit copper wire 9 is connected to the connecting plates 43 of the first clamp body a and the second clamp body b through the wiring terminals 44 at two ends respectively, the first clamp body a clamps the drainage wire 92, and the second clamp body b is close to the crimping pipe 93, so that the short-circuit drainage wire 92 and the crimping pipe 93 are short-circuited, and the problem that the bridging plate 94 is still overheated after being fastened is effectively solved.

The stop lever 7 is hinged on a cross beam 42 of the U-shaped frame 4, and the baffle 8 is hinged on the outer side of the second side plate 32 of the U-shaped clamp 3. The stop lever 7 is inserted into the through hole of the baffle 8 by bypassing the cross beam 42 of the U-shaped frame 4, and the clamp body is in a state of waiting to be triggered, and the contact part of the stop lever 7 and the cross beam 42 of the U-shaped frame 4 is in a curve shape and can be matched with the cross beam 42. When triggering the anchor clamps body, only need to hook the upper surface of baffle 8 with application of force hook 11 on the action bars 1, pulling action bars 1 downwards, application of force hook 11 drives baffle 8 and rotates downwards, and shelves pole 7 breaks away from out from the through hole of baffle 8, and torsional spring 6 drives U type frame 4 and rotates to the first curb plate 31 of U type anchor clamps 3 to press from both sides tight U type frame 4 and the not hard up position between the first curb plate 31 of U type anchor clamps 3.

Be provided with staple bolt 45 of mutually supporting on another side arm 41 of U type frame 4 and the first curb plate 31 of U type anchor clamps 3, staple bolt 45 inner wall is provided with the arc inside lining (the inside lining is not seen in the picture), and staple bolt 45 fixed connection is on side arm 41 and first curb plate 31, and the inside lining passes through screw and side arm 41 and first curb plate 31, and convenient the change to adapt to the crimping pipe and the drainage wire of different specifications.

The temporary short circuit tool for the tension-resistant wire clamp of the power transmission line further comprises an operating rod 1 and a connecting chuck 2 which movably connects the operating rod 1 with the first clamp body a or the second clamp body b, and a force application hook 11 is arranged on the operating rod 1.

In order to ensure the personal safety of operators, the lower part of the operating rod 1 is made of insulating materials.

Connect the upper end of

dop

2 and 3 bottom fixed connection of U type anchor clamps, the upper end of connecting

dop

2 and 3 bottoms of U type anchor clamps can be the welding, also can set up the external screw thread in the upper end of connecting

dop

2, and 3 bottoms of U type anchor clamps set up assorted internal thread hole, carry out fixed connection through this kind of screw-thread fit. The lower end of the connecting chuck 2 is a cylinder, and two symmetrical limiting pins 21 are arranged on the excircle of the cylinder along the radial direction.

The upper part of the operating rod 1 is in a hollow tubular shape, and two L-shaped notches 12 are symmetrically arranged on the tube wall. When the two limiting pins 21 at the lower end of the connector are clamped into the bottoms of the two corresponding L-shaped openings 12, the U-shaped fixture 3 and the operating rod 1 can be fixedly connected, and when the two limiting pins 21 at the lower end of the connector are not at the bottoms of the two corresponding L-shaped openings 12, the U-shaped fixture 3 and the operating rod 1 can be detached.

Before the use, the first clamp body a or the second clamp body b is in a state to be triggered, the U-shaped clamp 3 and the operating rod 1 are fixedly connected and assembled, and the U-shaped clamp 3 is lifted to a position needing to be fixed through the operating rod 1; triggering the clamp body, hooking the upper surface of the baffle plate 8 by using a force application hook of another operating rod or a tool capable of hooking the upper surface of the baffle plate 8, pulling the baffle plate 8 downwards, rotating the baffle plate 8 downwards, separating the baffle rod 7 from the through hole of the baffle plate 8, clamping the loosened part by the U-shaped frame 4 and the first side plate 31 of the U-shaped clamp 3, and then separating the operating rod 1 from the U-shaped clamp 3. By the method, the first clamp body a is fixedly clamped on the drainage wire 92, the second clamp body b is fixedly clamped on the crimping pipe 93, short circuit is realized by short-circuiting the copper wire 9, and the problem that the lapping plate 94 is still overheated after being fastened is effectively solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Transmission line strain clamp short circuit instrument temporarily, including first anchor clamps body (a), second anchor clamps body (b) and short circuit copper line (9), first anchor clamps body (a) and second anchor clamps body (b) structure are the same, and the both ends of short circuit copper line (9) are equipped with binding post (91), its characterized in that: the first clamp body (a) comprises a U-shaped clamp (3) and a U-shaped frame (4), articulated shaft (5) and torsional spring (6), the open end of U type frame (4) passes through articulated shaft (5) and articulates in U type anchor clamps (3), torsional spring (6) cup joint on articulated shaft (5), the both ends of torsional spring (6) are connected with the both sides arm of U type frame (4) respectively, be provided with on crossbeam (42) of U type frame (4) and prevent U type frame (4) to U type anchor clamps (3) first curb plate (31) pivoted shelves pole (7), be provided with baffle (8) on second curb plate (32) of U type anchor clamps (3), set up on baffle (8) with shelves pole (7) assorted through hole, be provided with connecting plate (43) on one side arm (41) of U type frame (4), be provided with on connecting plate (43) and binding post (91) cooperation bolt pair (44).

2. The temporary short circuit instrument of transmission line strain clamp of claim 1, characterized in that: the stop lever (7) is hinged to a cross beam (42) of the U-shaped frame (4), and the baffle (8) is hinged to the outer side of the second side plate (32) of the U-shaped clamp (3).

3. The temporary short circuit instrument of transmission line strain clamp of claim 1, characterized in that: and the other side arm (41) of the U-shaped frame (4) and the first side plate (31) of the U-shaped clamp (3) are provided with anchor ears (45) which are matched with each other, and the inner wall of the anchor ear (45) is provided with an arc-shaped lining.

4. The temporary short circuit instrument of transmission line strain clamp of claim 1, characterized in that: the clamping device further comprises an operating rod (1) and a connecting clamping head (2) which movably connects the operating rod (1) with the first clamp body (a) or the second clamp body (b), and a force application hook (11) is arranged on the operating rod (1).

5. The temporary short circuit instrument of transmission line strain clamp of claim 4, characterized in that: the lower part of the operating rod (1) is made of insulating materials.

6. The temporary short circuit instrument of transmission line strain clamp of claim 4, characterized in that: the upper end of the connecting clamping head (2) is fixedly connected with the bottom of the U-shaped clamp (3), the lower end of the connecting clamping head (2) is a cylinder, and two symmetrical limiting pins (21) are arranged on the outer circle of the cylinder along the radial direction.

7. The temporary short circuit instrument of transmission line strain clamp of claim 6, characterized in that: the upper part of the operating rod (1) is in a hollow tubular shape, and two L-shaped notches (12) are symmetrically arranged on the tube wall.