CN210629047U

CN210629047U - Transmission conductor vibration damper

Info

Publication number: CN210629047U
Application number: CN201922080208.XU
Authority: CN
Inventors: 刘婷; 邓秋玲
Original assignee: Hunan Institute of Engineering
Current assignee: Hunan Institute of Engineering
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-05-26
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a transmission conductor damping device, which comprises a wire clamp and a damping hammer connected with the wire clamp, wherein the wire clamp is used for clamping a transmission conductor; the transmission conductor vibration damping device also comprises a U-shaped bolt, a fastening nut and an elastic clamp; the two ends of the U-shaped bolt are respectively provided with an external thread which is used for being matched with the fastening nut, and the outer wall surface of the fastening nut is provided with a connecting hole which is used for being matched with the elastic clamp; when the elastic clamp is installed, the U-shaped bolt penetrates through the wire clamp, the wire clamp is fixed on a power transmission wire through the two fastening nuts, and the elastic clamp penetrates through the connecting holes in the two fastening nuts simultaneously to limit the two fastening nuts. The utility model discloses a transmission of electricity wire vibration damper solves among the prior art transmission of electricity vibration damper and becomes flexible easily, has the technical problem of wearing and tearing wire risk.

Description

Transmission conductor vibration damper

Technical Field

The utility model relates to a transmission of electricity gold utensil field especially relates to a transmission conductor vibration damper.

Background

The power transmission overhead conductor can generate continuous vibration under the action of wind power, and long-term vibration easily causes the occurrence of the faults of strand breakage and line breakage of the conductor. The scheme adopted at present is mainly to install a damper on a power transmission conductor, and the vibration of the conductor is absorbed through the vibration of a hammer body, so that the vibration of the conductor is reduced.

The existing vibration damper mainly comprises a preformed armor rod fixed type vibration damper and a bolt fixed type vibration damper. The bolt-fixed damper is installed on the power transmission conductor only through a single bolt, so that looseness easily occurs after long-term operation, the damper slides, the defect rate is high, a due vibration absorption effect cannot be achieved, and the power failure maintenance workload is large. The vibration damper adopting the preformed armor rods for fastening has the risk of vibration and abrasion of the wires in the hook due to the fact that the wires are not held tightly, and is difficult to find.

In view of the above, there is a need for a new transmission conductor damping device that overcomes or at least alleviates the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission of electricity vibration damper, aim at solving among the prior art transmission of electricity vibration damper easily not hard up, have the technical problem of wearing and tearing wire risk.

In order to achieve the purpose, the utility model provides a transmission conductor damping device, which comprises a wire clamp and a damping hammer connected with the wire clamp, wherein the wire clamp is used for clamping on a transmission conductor; the transmission conductor vibration damping device also comprises a U-shaped bolt, a fastening nut and an elastic clamp; the two ends of the U-shaped bolt are respectively provided with an external thread which is used for being matched with the fastening nut, and the outer wall surface of the fastening nut is provided with a connecting hole which is used for being matched with the elastic clamp; when the elastic clamp is installed, the U-shaped bolt penetrates through the wire clamp, the wire clamp is fixed on a power transmission wire through the two fastening nuts, and the elastic clamp penetrates through the connecting holes in the two fastening nuts simultaneously to limit the two fastening nuts.

Preferably, the wire clamp is formed with a wire clamping hole and two bolt holes, and the two bolt holes are respectively located at two sides of the wire clamping hole.

Preferably, the wire clamp comprises a base plate and a cover plate, wherein a first arc-shaped groove is concavely arranged on one side of the base plate, which faces the cover plate, a second arc-shaped groove is concavely arranged on one side of the cover plate, which faces the base plate, and the first arc-shaped groove and the second arc-shaped groove form the wire clamping hole.

Preferably, a depth direction of the wire clamping hole is perpendicular to a depth direction of the bolt hole.

Preferably, the elastic card is a C-shaped clamp spring.

Preferably, 3 or 6 connecting holes are uniformly distributed in the fastening nut along the circumferential direction.

Preferably, the depth direction of the connecting hole is perpendicular to one diagonal line of the fastening nut.

Preferably, the damper is connected to the wire clamp by a spring.

In the scheme of the application, the wire clamp of the transmission conductor vibration damper is fixed on the conductor through the U-shaped bolt, the fastening nut and the elastic clamp, the two ends of the U-shaped bolt are provided with external threads matched with the fastening nut, and the outer wall surface of the fastening nut is provided with a connecting hole matched with the elastic clamp; when the cable clamp is installed, the U-shaped bolt penetrates through the cable clamp, the cable clamp is fixed on the power transmission conductor through the two fastening nuts, and the two fastening nuts can apply symmetrical force to the cable clamp to firmly lock the cable clamp. After the two fastening nuts are screwed down, the elastic clamp penetrates through the connecting holes in the two fastening nuts simultaneously to limit the two fastening nuts, and the fastening nuts cannot loosen under the action of the elastic clamp, so that the installation reliability of the power transmission vibration damper is ensured.

Drawings

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

Fig. 1 is a first perspective view of a transmission conductor damping device according to an embodiment of the present invention;

fig. 2 is a second perspective view of a transmission conductor damping device according to an embodiment of the present invention;

fig. 3 is a perspective view of a component of a transmission conductor damping device according to an embodiment of the present invention;

fig. 4 is a sectional view of a component of a power transmission conductor damping device according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. 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 should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1 and fig. 2, to achieve the above object, the present invention provides a transmission conductor damping device, which includes a wire clamp 100 and a damping hammer 200 connected to the wire clamp 100, wherein the wire clamp 100 is used for clamping a transmission conductor 500; the transmission conductor damping device also comprises a U-shaped bolt 310, a fastening nut 320 and an elastic clamp 330; both ends of the U-shaped bolt 310 are provided with external threads for matching with the fastening nut 320, and the outer wall surface of the fastening nut 320 is provided with a connecting hole 321 for matching with the elastic card 330; when the installation is carried out, the U-bolt 310 is passed through the cable clamp 100, and the cable clamp 100 is fixed on the power transmission line 500 by the two fastening nuts 320, and the elastic clip 330 is simultaneously passed through the connecting holes 321 on the two fastening nuts 320 to restrain the two fastening nuts 320.

In the scheme of the application, the wire clamp 100 of the transmission conductor vibration damper is fixed on a conductor through the U-shaped bolt 310, the fastening nut 320 and the elastic clamp 330, the two ends of the U-shaped bolt 310 are provided with external threads matched with the fastening nut 320, and the outer wall surface of the fastening nut 320 is provided with a connecting hole 321 matched with the elastic clamp 330; when installed, the U-bolt 310 is passed through the clip 100 and the clip 100 is secured to the power conductor 500 by two tightening nuts 320, the two tightening nuts 320 applying symmetrical forces to the clip 100 to securely lock the clip 100. After the two fastening nuts 320 are tightened, the elastic clamp 330 penetrates through the connecting holes 321 on the two fastening nuts 320 to limit the two fastening nuts 320, and the fastening nuts 320 cannot loosen under the action of the elastic clamp 330, so that the installation reliability of the power transmission vibration damper is ensured.

Referring to fig. 3, as an embodiment of the present invention, a wire clamping hole 110 and two bolt holes 120 are formed on the wire clamp 100, and the two bolt holes 120 are respectively located at two sides of the wire clamping hole 110. Therefore, the two fastening forces are just distributed on two sides of the clamped wire, the wire is just positioned in the middle of the U-shaped bolt 310, and the clamping effect is more reliable. The depth direction of the wire clamping hole 110 is perpendicular to the depth direction of the bolt hole 120. The depth direction of the wire clamping hole 110 is parallel to the wire, and the depth direction of the bolt hole 120 is perpendicular to the wire.

Further, the wire clamp 100 includes a base plate 111 and a cover plate 112, a first arc-shaped groove is concavely disposed on one side of the base plate 111 facing the cover plate 112, a second arc-shaped groove is concavely disposed on one side of the cover plate 112 facing the base plate 111, and the first arc-shaped groove and the second arc-shaped groove form a wire clamping hole 110. In this embodiment, the base plate 111 is used for connecting the damper weight 200, the cover plate 112 is used for cooperatively clamping a wire on the base plate 111, and the bolt hole 120 enables the U-shaped bolt 310 to connect the base plate 111 and the cover plate 112 by penetrating the base plate 111 and the cover plate 112. The first arc-shaped slot on the base plate 111 and the second arc-shaped slot on the cover plate 112 form a wire clamping hole 110 matched with the outer contour of a wire.

As a preferred embodiment of the present invention, the elastic clip 330 is a C-shaped clip spring. After the C-shaped clamp spring is deformed and simultaneously passes through the connecting holes 321 of the two fastening nuts 320, the C-shaped clamp spring cannot be separated from the connecting holes 321 under the action of the elastic restoring force of the C-shaped clamp spring.

Referring to fig. 4, fig. 4 is a cross-sectional view of the fastening nut 320. As a specific embodiment of the present invention, the fastening nut 320 may be evenly distributed with 3 or 6 connecting holes 321 along the circumferential direction. The connecting holes 321 can be obtained by drilling holes directly on the existing nut or directly casting the nut meeting the design requirements. Preferably, the depth direction of the coupling hole 321 is perpendicular to one diagonal line of the fastening nut 320. The diagonal of the tightening nut 320 is the diagonal of the outer contour regular hexagon. The depth direction of the coupling hole 321 is made perpendicular to one diagonal line of the fastening nut 320, so that the depth of the coupling hole 321 can be minimized to facilitate the penetration of the elastic card 330.

As a preferred embodiment of the present invention, the damper hammer 200 is connected to the wire clamp 100 through a spring 400. The use of the stiff spring 400 having a relatively large wire diameter can provide good vibration characteristics, and the vibration energy of the power transmission line 500 can be absorbed by the damper 200.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A transmission conductor damping device comprises a wire clamp and a damping hammer connected with the wire clamp, wherein the wire clamp is used for clamping a transmission conductor; the transmission conductor vibration damping device is characterized by further comprising a U-shaped bolt, a fastening nut and an elastic clamp; the two ends of the U-shaped bolt are respectively provided with an external thread which is used for being matched with the fastening nut, and the outer wall surface of the fastening nut is provided with a connecting hole which is used for being matched with the elastic clamp; when the elastic clamp is installed, the U-shaped bolt penetrates through the wire clamp, the wire clamp is fixed on a power transmission wire through the two fastening nuts, and the elastic clamp penetrates through the connecting holes in the two fastening nuts simultaneously to limit the two fastening nuts.

2. The transmission conductor vibration damper according to claim 1, wherein said clamp has a conductor clamping hole and two bolt holes formed therein, said two bolt holes being located on both sides of said conductor clamping hole.

3. The transmission conductor vibration damper according to claim 2, wherein the clamp comprises a base plate and a cover plate, a first arc-shaped groove is concavely formed on one side of the base plate facing the cover plate, a second arc-shaped groove is concavely formed on one side of the cover plate facing the base plate, and the first arc-shaped groove and the second arc-shaped groove form the conductor clamping hole.

4. The electrical power transmission conductor vibration damping device according to claim 2, wherein a depth direction of the conductor clamp hole is perpendicular to a depth direction of the bolt hole.

5. An electrical transmission conductor damping apparatus according to any one of claims 1 to 4, wherein the resilient clip is a C-clip.

6. The transmission conductor vibration damping device according to any one of claims 1 to 4, wherein 3 or 6 connection holes are uniformly distributed in the tightening nut in the circumferential direction.

7. The transmission conductor vibration damper according to claim 6, wherein the depth direction of the connection hole is perpendicular to one of diagonal lines of the fastening nut.

8. An electrical transmission conductor damping device according to any one of claims 1 to 4, characterised in that the damping hammer is connected to the clamp by a spring.