CN219287029U - Clamp for replacing U-shaped ring of interphase spacer - Google Patents

Abstract

The utility model provides a fixture for replacing a U-shaped ring of an inter-phase spacer, which comprises a fixture body, a first fixing structure and a second fixing structure, wherein the first fixing structure and the second fixing structure are positioned at two ends of the fixture body; the fixture body comprises a fixed part and a movable part, and the fixed part is connected with the movable part in a telescopic way; the first fixing structure is connected with the fixing part; the second fixed structure is connected with the movable part. According to the utility model, the first fixing structure on the fixture is fixedly connected to the interval spacer, the second fixing structure is connected to the interval adjusting plate, and then the movable part on the fixture body is retracted towards the fixed part by operating the movable part on the fixture body, so that the spacer U-shaped ring is replaced when the U-shaped ring is in an unstressed state.

Description

Clamp for replacing U-shaped ring of interphase spacer

Technical Field

The utility model relates to the technical field of high-voltage transmission line overhead operation, in particular to a clamp for replacing a U-shaped ring of an inter-phase spacer.

Background

The inter-phase spacer is a device for keeping inter-phase spacing between high-voltage transmission conductor sets and pressing conductor waving so as to prevent the high-voltage transmission conductors from whipping each other and inhibit breeze vibration and sub-span vibration.

After a long period of use of the phase spacer, it is often necessary to replace the U-shaped ring of the phase spacer, as the U-shaped ring is an important component for achieving the connection of the phase spacer to the space adjusting plate for supporting the high voltage wire. When the U-shaped ring of the inter-phase spacer is replaced, the working point is large in height difference to the ground, and the U-shaped ring works on the tower, so that the problem of high working difficulty is solved.

At present, when the U-shaped ring of the interphase spacer is replaced, the U-shaped ring is replaced after being not stressed by the pulling force of a manual rope. The method at least needs two on-line electricians, three ground electricians, a full-time guardian and a work responsible person, and is a plurality of persons and works, so that the method is time-consuming and labor-consuming, and the technical problems of high replacement operation cost and the like are caused.

There is no special reference to the prior art for replacing the U-shaped ring of the interphase spacer, so that it is needed for the research and development of a convenient fixture for replacing the U-shaped ring of the interphase spacer.

Disclosure of Invention

In view of this, in order to solve at least one of the above problems, an embodiment of the present utility model provides a fixture for replacing a U-shaped ring of a phase spacer, which is convenient to use.

To achieve the above object, an embodiment of the present utility model provides a fixture for replacing a U-shaped ring of a phase spacer for connecting the phase spacer and a spacing adjustment plate, the fixture including: the fixture body comprises a fixed part and a movable part, wherein the fixed part is in telescopic connection with the movable part; a first fixing structure connected to the fixing portion; and the second fixed structure is connected with the movable part.

Further, the first fixing structure comprises a fixing ring and a connecting column used for connecting the fixing ring and the fixing part, and the connecting column is vertically connected with the fixing part.

Further, the second fixing structure is a fixing hook, and the fixing hook is connected with one end, far away from the fixing portion, of the movable portion.

Further, the fixed part is a cylindrical barrel, and one end of the cylindrical barrel, which is close to the movable part, is provided with a bearing connected with the movable part.

Further, the movable part comprises a first column body connected with the bearing and a second column body connected with the first column body in a telescopic way.

Further, the first cylinder is a screw sleeve, and an internal thread is arranged in one end, close to the second cylinder, of the screw sleeve.

Further, the second column is the lead screw, be provided with on the outer wall of lead screw one end with the external screw thread of internal screw thread looks adaptation connection, the lead screw other end is provided with and is used for limiting the angle limiting piece of second fixed knot structure angle.

Further, a bidirectional ratchet handle for rotating the first cylinder is arranged on the first cylinder.

Further, the securing ring includes a first semi-arcuate ring and a second semi-arcuate ring.

Further, the first semi-arc ring and the second semi-arc ring are buckled and connected through a pin component.

Compared with the prior art, the utility model has the following beneficial effects:

the first fixing structure on the fixture is fixedly connected to the interval bars, the second fixing structure is connected to the interval adjusting plate, and then the movable part on the fixture body is operated to retract into the fixing part of the fixture body, so that the U-shaped ring is in an unstressed state for replacement.

Further specifically, through connecting the fixed ring lock on the fixture on the extension post of alternate conductor spacer, fixed hook joint is on the interval adjustment board, through the operation screw two-way ratchet handle, make the lead screw sleeve of movable part rotate under the effect of bearing connection, and then under the effect of the internal and external screw thread of looks adaptation, make the lead screw of movable part make precession removal in the lead screw sleeve, make alternate conductor spacer and interval adjustment board all be close to conductor spacer U type ring position department, at this moment, U type ring will be in unstressed state, can carry out the operation change of U type ring, the operation change of single just can realize U type ring. Compared with the prior art, the method has the advantages of greatly reducing the number of the personnel involved in replacement and the overall replacement cost, along with convenient operation and use and improving the replacement efficiency.

Drawings

The following drawings are included to provide a further understanding of the present application and are intended to provide a further explanation and illustration of the utility model, and are not intended to limit the scope of the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a fixture for replacing a U-shaped ring of a phase spacer according to an embodiment of the present application;

FIG. 2 is a schematic top view of a retaining ring according to another embodiment of the present application;

FIG. 3 is a schematic view of a two-way ratchet handle according to another embodiment of the present application;

fig. 4 is a schematic view illustrating a usage state of a fixture according to another embodiment of the present application;

fig. 5 is a schematic structural view of a U-shaped ring of spacers in another embodiment of the present application.

Reference numerals:

1. a fixture body; 11. a fixing part; 12. a movable part; 120. a screw sleeve; 121. a screw rod; 1201. an internal thread; 1211. an external thread; 13. a bearing; 2. a first fixed structure; 21. a first semi-arcuate ring; 22. a second semi-arcuate ring; 23. a pin assembly; 24. folding; 3. a second fixing structure; 4. a bidirectional ratchet handle; 40. a ratchet wheel; 41. a rotation direction switch; 5. a connecting column; 6. an angle limiting block; 100. a spacing rod; 101. extension posts of the inter-phase spacers; 102. spacer U-shaped ring; 103. and an interval adjusting plate.

Detailed Description

The following drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate several embodiments of the utility model and together with the description serve to explain the principles of the utility model.

Unless a direction is defined separately, the directions of up, down, left, right, etc. referred to herein are all directions of up, down, left, right, etc. as shown in fig. 1 of the embodiment of the present application, and if the specific gesture changes, the directional indication changes accordingly. The terms "first," "second," "third," "fourth," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Furthermore, in various embodiments of the present disclosure, the same or similar reference numerals denote the same or similar components.

In the present utility model, unless explicitly specified and limited otherwise, the terms "coupled," "affixed," and the like are to be construed broadly, and for example, "coupled" may be either fixedly coupled, detachably coupled, or integrally formed, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of the claimed utility model.

Example 1

Referring to fig. 1, the present embodiment provides a fixture for replacing a U-shaped ring of a spacer, the fixture including a fixture body 1, the fixture body 1 including a fixed portion 11 and a movable portion 12, the fixed portion 11 being telescopically connected with the movable portion 12, that is, the axial length of the fixture body 1 is adjustable by the telescopic connection of the fixed portion 11 and the movable portion 12; still including being located fixture body both ends first fixed knot constructs 2 and second fixed knot constructs 3, through first fixed knot constructs 2 and second fixed knot constructs 3, can make fixture body's both ends fixed knot connect in the both sides of conductor spacer U type ring, through adjustment telescopic connection's fixed part 11 and movable part 12, realizes fixture body's axial length and shortens, and then makes conductor spacer U type ring be in unstressed state to realize the dismantlement change of conductor spacer U type ring.

As shown in fig. 4 and 5, the spacer U-shaped ring 102 is a detachable connection member for connecting the inter-phase spacer 100 and the spacing adjustment plate 103, and the principle of the method for replacing the spacer U-shaped ring by applying the fixture in the present embodiment is briefly described as follows:

firstly, fixedly connecting a first fixing structure 2 on a fixture to an extension column 101 of an inter-phase spacer, and connecting a second fixing structure 3 to a space adjusting plate 103 by simply adjusting the axial length of a fixture body 1;

then, the movable part 12 on the clamp body 1 is retracted towards the fixed part 11 of the clamp body by screwing the bidirectional ratchet handle 4, the axial length of the clamp body is shortened, and the spacer U-shaped ring is in an unstressed state;

finally, the operation staff dismantles the change to the conductor spacer U type ring 102, has convenient operation convenient to use, reduces intensity of labour, reduces the personnel quantity of participating in the change, reduces personnel's cost and improves beneficial effect such as work efficiency.

Example two

In this embodiment, as a preferred embodiment, as shown in fig. 1 and 2, the first fixing structure 2 in this embodiment includes a fixing ring and a connecting post 5 for connecting the fixing ring and the fixing portion 11, where the connecting post 5 is vertically connected to the fixing portion 11, and this vertical connection arrangement greatly increases the workability of the fixture. The second fixing structure 3 is a fixing hook 3 with an elbow at the head, one end of the fixing hook 3 far away from the elbow is hinged at one end of the screw rod 121 far away from the fixing part 11, and an angle limiting block 6 for performing angle fit with the fixing hook 3 is further arranged at one end of the screw rod 121 far away from the fixing part 11.

Further, as shown in fig. 1, the fixed portion 11 in this embodiment is a cylindrical barrel, and one end of the cylindrical barrel, which is close to the movable portion 12, is provided with a bearing 13 connected to the first cylinder of the movable portion.

It should be noted that, in this embodiment, the fixing hook 3 and the angle limiting block 6 used in cooperation are fixed at one end of the screw rod by adopting the existing hinge connection limiting manner; the fixing manner of the bearing 13 and the fixing and rotatable connection manner of the bearing 13 and the first column of the movable portion 12 can be realized by adopting a fixing connection manner in the prior art, which is not repeated herein.

As a preferred embodiment, as shown in fig. 1, the movable portion 12 in this embodiment includes a first cylinder connected to the bearing 13 and a second cylinder telescopically connected to the first cylinder. Further, the first cylinder is a screw sleeve 120, and the second cylinder is a screw 121; the screw sleeve 120 is a cylinder with a hollow structure at one end, an internal thread 120 is arranged in one end close to the second cylinder, the other end is a solid cylinder fixedly and rotatably connected to the bearing 13, and the solid cylinder is connected with a bidirectional ratchet handle 4. The outer wall of the screw rod 121 near one end of the screw rod sleeve 120 in this embodiment is provided with an external thread 1211 which is adapted to be connected with the internal thread 1201.

As shown in fig. 3, the bidirectional ratchet handle 4 in this embodiment is a conventional wrench component, and the ratchet 40 is sleeved on the solid cylinder of the first cylinder to adjust the rotation direction switch 41, so that the bidirectional ratchet handle rotates clockwise or counterclockwise, and further the forward or backward movement of the adjusting screw 121 in the screw sleeve 120 is realized.

As a preferred embodiment, as shown in fig. 2, the fixing ring in this embodiment includes a first half-arc ring 21 and a second half-arc ring 22, where the first half-arc ring 21 and the second half-arc ring 22 are fastened by a pin assembly 23.

It should be noted that, in this embodiment, the second semi-arc ring 22 may be welded to the connection post 5, one end of the first semi-arc ring 21 may be fixedly and rotatably connected to one end of the second semi-arc ring 22, and the other end may also be connected to the extension post of the inter-phase spacer through a stud or a pin, and then, a blocking protrusion may be further disposed on the extension post of the inter-phase spacer, so that the fixing ring may not slide to the stress direction, which is more beneficial to realizing the axial stress effect of the fixture, and may be specifically adjusted appropriately according to the actual situation, so that a single person may conveniently realize the replacement operation of the U-shaped ring of the spacer.

In summary, the first fixing structure on the fixture is fixedly connected to the interval bars, the second fixing structure is connected to the interval adjusting plate, and then the movable part on the fixture body is operated to retract into the fixed part of the fixture body, so that the U-shaped ring is in an unstressed state for replacement.

Specifically, through the fixed ring lock connection on the fixture on the extension post of alternate conductor spacer, fixed hook joint is on the interval adjustment board, through the operation screw two-way ratchet handle, make the lead screw sleeve of movable part rotate under the effect of bearing connection, and then under the effect of the internal and external screw thread of lead screw sleeve, the lead screw of messenger movable part makes precession removal in the lead screw sleeve, cause alternate conductor spacer and interval adjustment board all to be close to conductor spacer U type ring position department, at this moment, U type ring will be in unstressed state, can carry out the operation change of U type ring, the operation change of U type ring just can be realized to single. Compared with the prior art, the method has the advantages of greatly reducing the number of the personnel involved in replacement and the overall replacement cost, along with convenient operation and use and improving the replacement efficiency.

While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that this application is not limited to the forms disclosed herein, but is not to be construed as an exclusive use of other embodiments, and is capable of many other combinations, modifications and environments, and is capable of changes within the scope of the inventive subject matter, either as a result of the foregoing teachings or as a result of knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the present utility model are intended to be within the scope of the appended claims.

Claims (10)

1. A fixture for replacing a U-shaped ring of a phase spacer, the U-shaped ring for connecting the phase spacer and a spacer adjustment plate, the fixture comprising:

the fixture body comprises a fixed part and a movable part, wherein the fixed part is in telescopic connection with the movable part;

a first fixing structure connected to the fixing portion;

and the second fixed structure is connected with the movable part.

2. The fixture of claim 1, wherein the first fixing structure comprises a fixing ring and a connecting post for connecting the fixing ring and the fixing portion, the connecting post being vertically connected to the fixing portion.

3. A chuck according to claim 2, wherein the second fixing structure is a fixing hook connected to an end of the movable part remote from the fixing part.

4. The fixture of claim 1, wherein the fixed portion is a cylindrical barrel, and a bearing connected to the movable portion is disposed at an end of the cylindrical barrel adjacent to the movable portion.

5. The chuck as in claim 4, wherein said movable section includes a first cylinder connected to said bearing and a second cylinder telescopically connected to said first cylinder.

6. The fixture of claim 5, wherein the first cylinder is a screw sleeve having internal threads disposed in an end thereof adjacent the second cylinder.

7. The fixture of claim 6, wherein the second cylinder is a screw, an external thread is provided on an outer wall of one end of the screw, and is adapted to be connected with the internal thread, and an angle limiting block is provided on the other end of the screw, for limiting an angle of the second fixing structure.

8. The chuck as in claim 5, wherein said first post is provided with a bi-directional ratchet handle for rotating said first post.

9. The fixture of claim 2, wherein the securing ring comprises a first semi-arcuate ring and a second semi-arcuate ring.

10. The fixture of claim 9, wherein the first semi-arcuate ring and the second semi-arcuate ring are snap-fit together via a pin assembly.

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