CN214689125U

CN214689125U - Contact wire twisting device

Info

Publication number: CN214689125U
Application number: CN202120801990.4U
Authority: CN
Inventors: 黄正龙
Original assignee: China Railway 22nd Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Current assignee: China Railway 22nd Bureau Group Co Ltd; Electrification Engineering Co Ltd of China Railway 22nd Bureau Group Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-12
Anticipated expiration: 2031-04-19

Abstract

The utility model provides a contact wire dough twist device, include: the first operating part is internally provided with a first connecting hole; the connecting rod is detachably arranged in the first connecting hole; the first clamping jaw and the second clamping jaw are mounted on the connecting rod, and the distance between the first clamping jaw and the second clamping jaw is adjustably set. The technical scheme of this application has solved the relatively poor problem of commonality of turning round the face device effectively.

Description

Contact wire twisting device

Technical Field

The utility model relates to an electric construction tool technical field particularly, relates to a contact wire turns round a device.

Background

At present, the cross section of a contact line is formed by combining two large and small sectors, the cross section is in an 8 shape, the arc top of the large sector at the lower part of the 8 shape is contacted with a pantograph of an electric locomotive and a motor train unit, and the contact line is called as a working surface of the contact line. The upper small sector of the 8-shaped part is used for mounting contact line parts and is called a non-working surface of a contact line. When the center of the large fan-shaped arc top of the working surface of the contact line deflects or twists with the contact surface of the pantograph, the contact line is called as a twisted surface. After the contact wire twists reverse to reach certain degree, can lead to installing spare part on the contact wire and pantograph to take place to strike, can influence the operating life cycle of contact wire, when the pantograph passes through with the contact wire contact and high speed, can cause harm such as "arcing" abnormal vibrations, leads to the relevant spare part of burnt contact net, reduces the pantograph and draws current quality, finally causes power supply fault. Therefore, when the twisted surface of the contact wire is found in the inspection and detection, the traction power supply department can immediately arrange the correction work of the line surface of the contact wire.

In the related art, the contact wires are twisted by using the twisting device, but the twisting device can only be used for one type of contact wires, thus resulting in poor versatility of the twisting device.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a contact wire turns round a device to solve the relatively poor problem of commonality of turning round a device among the correlation technique.

In order to achieve the above object, the present invention provides a contact wire twisting device, including: the first operating part is internally provided with a first connecting hole; the connecting rod is detachably arranged in the first connecting hole; the first clamping jaw and the second clamping jaw are mounted on the connecting rod, and the distance between the first clamping jaw and the second clamping jaw is adjustably set.

Further, first jack catch includes first flat section and first slope section, the second jack catch includes second flat section and second slope section, first slope section is located the below of first flat section, the second slope section is located the below of second flat section, first flat section and the parallel arrangement of second flat section, first slope section is by being close to first flat section to keeping away from the direction of first flat section on with the distance between the second flat section reduce gradually, the second slope section is by being close to the second flat section to keeping away from the direction of second flat section on with the distance between the first flat section reduce gradually.

Further, the included angle between the first straight section and the first inclined section is between 60 ° and 85 °, and the included angle between the second straight section and the second inclined section is between 60 ° and 85 °.

Furthermore, the first straight section is fixedly connected to the connecting rod, and the second straight section is movably arranged on the connecting rod.

Further, the distance between the first and second straight sections is between 0.5cm and 5 cm.

Further, the contact wire twisting device further comprises a second operating part, and the second operating part and the connecting rod are respectively positioned at two ends of the first operating part.

Furthermore, the second operation portion is detachably connected with the connecting rod, a third connecting hole is formed in the second operation portion, and the connecting rod penetrates through the first connecting hole and is inserted into the third connecting hole.

Further, one end of the second operation part, which is far away from the first operation part, is provided with a rubber sleeve.

Further, the connecting rod is a threaded rod, a second connecting hole is formed in the second straight section, the connecting rod penetrates through the second connecting hole, and the first connecting hole, the second connecting hole and the third connecting hole are threaded holes.

Furthermore, the first clamping jaw and the second clamping jaw are made of metal materials.

Use the technical scheme of the utility model, be provided with first connecting hole in the first operation portion, connecting rod detachably installs in first connecting hole. First jack catch and second jack catch are all installed on the connecting rod, and the distance between first jack catch and the second jack catch is adjustable. By adjusting the distance between the first clamping jaw and the second clamping jaw, the contact wire twisting device can be matched with contact wires with more sizes, and the universality of the contact wire twisting device is better. Therefore, the technical scheme of the application effectively solves the problem of poor universality of the twisted surface device. And because connecting rod and first operation portion are detachably set up, can dismantle the contact wire wrench face device like this and place, and then can be convenient for take more.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic partial cross-sectional view of an embodiment of a contact wire twisting device according to the present invention

FIG. 2 shows a schematic side view of the second jaw of FIG. 1;

fig. 3 shows a schematic cross-sectional view of the first operating part of fig. 1; and

fig. 4 shows a schematic cross-sectional view of the second operating part of fig. 1.

Wherein the figures include the following reference numerals:

10. a first operation section; 11. a first connection hole; 20. a connecting rod; 30. a first jaw; 31. a first straight section; 32. a first inclined section; 40. a second jaw; 41. a second straight section; 411. a second connection hole; 42. a second inclined section; 50. a second operation section; 51. a third connection hole; 52. a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The contact wire twist phenomenon appears easily in the process of erecting the contact wire of the electrified railway, the use of the twist device is indispensable, and in the related art, the twist device easily causes surface damage to the contact wire, is not convenient enough to carry, is not firm enough to the card, and has high market selling price.

In order to solve the above problem, as shown in fig. 1, in the present embodiment, the contact wire twisting device includes: the first operation part 10, the connecting rod 20, the first jaw 30, and the second jaw 40. The first operation portion 10 is provided therein with a first connection hole 11. The connection rod 20 is detachably installed in the first connection hole 11. The first jaw 30 and the second jaw 40 are mounted on the connecting rod 20, and a distance between the first jaw 30 and the second jaw 40 is adjustably set.

With the solution of the present embodiment, the first operation portion 10 is provided with the first connection hole 11 therein, and the connection rod 20 is detachably installed in the first connection hole 11. The first jaw 30 and the second jaw 40 are both mounted on the connecting rod 20, and the distance between the first jaw 30 and the second jaw 40 is adjustable. By adjusting the distance between the first jaw 30 and the second jaw 40, the contact wire twisting device can be matched with contact wires with more sizes, and the universality of the contact wire twisting device is better. Therefore, the technical scheme of the embodiment effectively solves the problem of poor universality of the dough twisting device. And because the connecting rod 20 and the first operating part 10 are detachably arranged, the contact wire twisting device can be detachably placed, and the contact wire twisting device can be more conveniently taken.

The contact wire twisting device of the embodiment can be suitable for the cross-sectional area of 85mm²、110mm²、120mm²And 150mm²Equal twisted surfaces of the multi-line contact lines.

In order to facilitate the first and second claws to apply force to the contact line, as shown in fig. 1 and 2, in the present embodiment, the first claw 30 includes a first straight section 31 and a first inclined section 32, the second claw 40 includes a second straight section 41 and a second inclined section 42, the first inclined section 32 is located below the first straight section 31, the second inclined section 42 is located below the second straight section 41, the first straight section 31 and the second straight section 41 are arranged in parallel, the distance between the first inclined section 32 and the second straight section 41 decreases gradually from the direction close to the first straight section 31 to the direction away from the first straight section 31, and the distance between the second inclined section 42 and the first straight section 31 decreases gradually from the direction close to the second straight section 41 to the direction away from the second straight section 41. The first angled section 32 and the second angled section 42 directly contact the contact wire, thereby twisting the contact wire. The arrangement of the first straight section 31 and the second straight section 41 can increase the distance between the first inclined section 32 and the second inclined section 42 and the connecting rod 20, and through the arrangement, the lever principle is applied, so that the difficulty of operation can be reduced, and labor is saved.

In the embodiment not shown in the figures, the first jaw only comprises the first inclined section, the second jaw only comprises the second inclined section, or the first jaw only comprises the first straight section, the second jaw only comprises the second straight section, the first bulge is arranged on the first straight section, the second bulge is arranged on the second straight section, and the first bulge and the second bulge are oppositely arranged, so that the twisting of the contact line can be realized.

As shown in fig. 1 and 2, in the present embodiment, the included angle between the first straight section 31 and the first inclined section 32 is between 60 ° and 85 °, and the included angle between the second straight section 41 and the second inclined section 42 is between 60 ° and 85 °. The above-mentioned angle is better adapted to the contact line, in particular in this embodiment the angle between the first straight section 31 and the first inclined section 32 is 75 °, as is the angle between the second straight section 41 and the second inclined section 42 of 75 °.

In order to facilitate the adjustment of the distance between the first jaw and the second jaw, as shown in fig. 1 and 2, in the present embodiment, the first straight section 31 is fixedly connected to the connecting rod 20, and the second straight section 41 is movably disposed on the connecting rod 20. When twisting, the first straight section is more stressed than the second straight section, so that the first straight section 31 is fixedly arranged on the connecting rod 20, so that the twisting operation is more stable. At the same time, in order to achieve an adjustable distance between the first catch 30 and the second catch 40, a second straight section 41 is movably arranged on the connecting rod 20.

As shown in fig. 1, in the present embodiment, the distance between the first flat section 31 and the second flat section 41 is between 0.5cm and 5 cm. The above-mentioned distance can be better adapted to the contact line and can prevent the first inclined section 32 and the second inclined section 42 from interfering, specifically, the distance between the first straight section 31 and the second straight section 41 is 2.5cm in the present embodiment.

In order to further reduce the difficulty of operation, as shown in fig. 1 and 4, in the present embodiment, the contact wire twisting device further includes a second operating portion 50, and the second operating portion 50 and the connecting rod 20 are respectively located at both ends of the first operating portion 10. The provision of the second operating portion 50 can increase the overall length of the contact wire twisting device, and can further reduce the difficulty of operation.

In order to facilitate the storage of the contact wire twisting device, as shown in fig. 1 to 4, in the present embodiment, the second operating portion 50 is detachably connected to the connecting rod 20, the second operating portion 50 is provided with a third connecting hole 51, and the connecting rod 20 passes through the first connecting hole 11 and is inserted into the third connecting hole 51. The second operating part 50 is detachable, and when the contact wire twisting device is not needed to be used, the contact wire twisting device can be detached and placed, so that the placing space can be saved more. The connection manner in which the connection rod 20 passes through the first connection hole 11 and is inserted into the third connection hole 51 is simple.

As shown in fig. 1, in the present embodiment, one end of the second operation portion 50 away from the first operation portion 10 is provided with a rubber sleeve 52. The rubber sleeve 52 can effectively perform an insulating function, and can prevent slipping when an operator uses the rubber sleeve because the rubber material has a large friction coefficient.

In an embodiment not shown in the figures, the first operating part is also provided with a rubber sleeve.

As shown in fig. 1 to 4, in the present embodiment, the connecting rod 20 is a threaded rod, the second straight section 41 is provided with a second connecting hole 411, the connecting rod 20 passes through the second connecting hole 411, and the first connecting hole 11, the second connecting hole 411 and the third connecting hole 51 are all threaded holes. The threaded rod and the threaded hole are simple in connection mode, good in fixing effect and easy to detach.

As shown in fig. 1 to 4, in the present embodiment, the first jaw 30 and the second jaw 40 are made of metal. The metal material has better structural strength, and can prolong the service life of the contact wire twisting device.

When the contact wire twisting device of the embodiment is used, a worker firstly installs the second jaw 40 on the connecting rod 20, then installs the first operating part 10 on the connecting rod 20, and finally installs the second operating part 50 on the connecting rod 20 and screws the second operating part and the connecting rod. According to the corresponding contact line model, the distance between the second clamping jaw 40 and the first clamping jaw 30 is adjusted through the connecting rod 20, so that the contact line twisting device clamps the line stably, and then the second operating part 50 is rotated in the plane perpendicular to the contact line, so that the problem of twisting the contact line is solved. The contact wire twisting device is stable in wire clamping, convenient to operate, convenient to carry, low in manufacturing cost and less in surface damage to the contact wire. Meanwhile, the contact wire twisting device is simple to manufacture, low in cost, convenient to operate, capable of being operated by one person, convenient and fast, free of training, capable of being operated, high in purchase price and inconvenient to carry, and capable of reducing damage to the surface of the contact wire.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A contact wire twisting device, comprising:

a first operation part (10), wherein a first connecting hole (11) is arranged in the first operation part (10);

a connecting rod (20) detachably mounted in the first connecting hole (11);

a first jaw (30) and a second jaw (40) mounted on the connecting rod (20), the distance between the first jaw (30) and the second jaw (40) being adjustably set.

2. Contact wire twisting device according to claim 1, wherein said first jaw (30) comprises a first straight section (31) and a first inclined section (32), the second jaw (40) comprising a second straight section (41) and a second inclined section (42), the first inclined section (32) being located below the first straight section (31), the second inclined section (42) being located below the second straight section (41), the first straight section (31) and the second straight section (41) are arranged in parallel, the first inclined section (32) gradually decreases from the first straight section (31) to the second straight section (41) in the direction away from the first straight section (31), the second inclined section (42) gradually decreases in distance from the first straight section (31) in a direction from the second straight section (41) to the second straight section (41).

3. Contact wire twisting device according to claim 2, wherein the angle between the first straight section (31) and the first inclined section (32) is between 60 ° and 85 °, and the angle between the second straight section (41) and the second inclined section (42) is between 60 ° and 85 °.

4. Contact wire twisting device according to claim 2, wherein said first straight section (31) is fixedly connected to said connecting rod (20), and said second straight section (41) is movably arranged on said connecting rod (20).

5. Contact line twisting device according to claim 2, wherein the distance between said first flat section (31) and said second flat section (41) is between 0.5cm and 5 cm.

6. The contact wire twisting device according to claim 2, further comprising a second operating part (50), the second operating part (50) and the connecting rod (20) being located at both ends of the first operating part (10), respectively.

7. Contact wire twisting device according to claim 6, wherein said second operating part (50) is detachably connected to said connecting rod (20), said second operating part (50) being provided with a third connecting hole (51), said connecting rod (20) passing through said first connecting hole (11) and being inserted into said third connecting hole (51).

8. Contact wire twisting device according to claim 6, wherein the end of the second operating part (50) remote from the first operating part (10) is provided with a rubber sleeve (52).

9. The contact line twisting device according to claim 7, wherein the connecting rod (20) is a threaded rod, a second connecting hole (411) is provided on the second straight section (41), the connecting rod (20) passes through the second connecting hole (411), and the first connecting hole (11), the second connecting hole (411) and the third connecting hole (51) are all threaded holes.

10. Contact wire twisting device according to any one of claims 1 to 8, wherein said first jaw (30) and said second jaw (40) are both of metal.