CN212694877U

CN212694877U - Cable sheath vibration damper

Info

Publication number: CN212694877U
Application number: CN202022007757.7U
Authority: CN
Inventors: 陶吉松
Original assignee: Qingdao Jisong Electrical Appliance Technology Co ltd
Current assignee: Qingdao Jisong Electrical Appliance Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-12
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a cable sheath vibration damper, including transmission tower, four rectangular blocks and the fixed cable sheath body that sets up on the transmission tower, half pipe groove has been seted up to the rectangular block lateral wall, half pipe groove inside wall is equipped with the fixing device of fixed cable sheath body, rectangular block lateral wall fixedly connected with handle, two the same first connecting wire of handle lateral wall fixedly connected with, two second connecting wires of transmission tower lateral wall fixedly connected with, homonymy first connecting wire passes through adjustment mechanism with the second connecting wire and is connected. The utility model discloses, under mutually supporting of first spring, second spring, third spring, slipmat, first connecting wire, second connecting wire and fixing device, fix and support the cable sheathing body, consolidate the connection of cable sheathing body and transmission tower, and shortened the swing length of cable sheathing body, the influence of the vibration that produces to the transmission tower when having reduced the swing of cable sheathing body.

Description

Cable sheath vibration damper

Technical Field

The utility model relates to a cable sheathing technical field especially relates to a cable sheathing damping device.

Background

High voltage cables, which are a type of power cable used for transmission between 1kv and 1000kv, are mostly used for power transmission and distribution, are often located at the top or middle of a transmission tower, and are often fixed to the transmission tower,

because high tension cable includes cable sheath and transmission of electricity wire, this cable that lets high tension cable between two transmission towers is crooked form, and traditional way is with high tension cable snap-on transmission tower, because long-time hanging, can lead to high tension cable deformation to sink, and meets the severe weather of strong wind, and high tension cable amplitude of fluctuation can produce vibration greatly, probably damages transmission tower when the vibration is serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art high tension cable and hanging for a long time and can move down and the high tension cable swing is to the influential problem of transmission tower, and the cable sheath vibration damper who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cable sheath vibration damper, includes transmission tower, four rectangle pieces and the fixed cable sheath body that sets up on the transmission tower, half pipe groove has been seted up to the rectangle piece lateral wall, half pipe groove inside wall is equipped with the fixing device of fixed cable sheath body, rectangle piece lateral wall fixedly connected with handle, two the same first connecting wire of handle lateral wall fixedly connected with, two second connecting wires of transmission tower lateral wall fixedly connected with, homonymy first connecting wire passes through adjustment mechanism with the second connecting wire and is connected, two the rectangle piece passes through the hinge rotation and connects.

Preferably, fixing device includes a plurality of first springs of fixed connection at half tube seat inside wall, and is a plurality of the same half tube block of the equal fixedly connected with of first spring lateral wall, half tube block inside wall fixed connection slipmat, two the slipmat contacts with cable sheathing body lateral wall.

Preferably, adjustment mechanism includes the round block of fixed connection at first connecting wire tip, round block lateral wall screw thread sleeve has connected a circular screw section of thick bamboo, circular screw section of thick bamboo inside wall rotates and is connected with the disc, the end and the disc fixed connection of second connecting wire.

Preferably, the through-hole has been seted up to circular screw thread section of thick bamboo lateral wall, second connecting wire lateral wall and through-hole inside wall sliding connection, the fixed ring that has cup jointed of circular screw thread section of thick bamboo lateral wall, ring lateral wall fixedly connected with is the dwang that the annular was arranged.

Preferably, the outer side walls of the first connecting line and the second connecting line are respectively sleeved with a second spring and a third spring in a sliding mode, two ends of the second spring are respectively fixedly connected with the round block and the two handles, and two ends of the third spring are respectively fixedly connected with the outer side wall of the second connecting line and the power transmission tower.

Preferably, the outer side wall of the round block is provided with an external thread, and the inner side wall of the round thread cylinder is provided with a thread groove matched with the external thread.

The utility model has the advantages that:

1. under the mutually supporting of first spring, second spring, third spring, slipmat, first connecting wire, second connecting wire and fixing device, fix and support the cable sheathing body, consolidate the connection of cable sheathing body and transmission tower, and shortened the swing length of cable sheathing body, the influence of the vibration that produces to the transmission tower when having reduced the swing of cable sheathing body.

2. At the circle piece, a circular thread section of thick bamboo, the dwang, the ring, fixing device and adjustment mechanism's effect is down, fix the cable sheathing body through fixing device, support the cable sheathing body through first connecting wire and second connecting wire, adjustment mechanism can adjust the distance between first connecting wire and the second connecting wire, pull up the cable sheathing body, prevent that the cable sheathing body from moving down, and the cable sheathing body that just rises has reduced the amplitude of oscillation, the influence of the swing of cable sheathing body to the transmission tower has also further been reduced.

Drawings

Fig. 1 is a schematic structural view of a cable sheath vibration damping device provided by the present invention;

fig. 2 is a cross-sectional view of an adjusting device in a cable sheath vibration damping device according to the present invention;

fig. 3 is a cross-sectional view of a cable sheath vibration damping device according to the present invention;

fig. 4 is a schematic connection diagram of two rectangular blocks in the cable sheath vibration damping device provided by the utility model.

In the figure: 1. a power transmission tower; 2. a rectangular block; 3. a cable jacket body; 4. a half pipe groove; 5. a handle; 6. a first spring; 7. a half pipe block; 8. a non-slip mat; 9. a first connecting line; 10. a round block; 11. a second connecting line; 12. a circular threaded barrel; 13. a disc; 14. a through hole; 15. a circular ring; 16. rotating the rod; 17. a second spring; 18. and a third spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a cable sheath vibration damper includes a power transmission tower 1, four rectangular blocks 2 and a cable sheath body 3 fixedly disposed on the power transmission tower 1, a half pipe groove 4 is disposed on an outer side wall of each rectangular block 2, a cable conductor and an insulating layer are disposed in the cable sheath body 3, and the cable sheath body 3 is made of an insulating material, which is the prior art and is not described herein again.

4 inside walls of half pipe chase are equipped with the fixing device of fixed cable sheath body 3, fixing device includes a plurality of first springs 6 of fixed connection at 4 inside walls of half pipe chase, the same half pipe piece 7 of the equal fixedly connected with of 6 outside walls of a plurality of first springs, half pipe piece 7 inside wall fixed connection slipmat 8, rectangular block 2 and slipmat 8 are insulating material, 3 outside walls of the cable sheath body of high tension cable outside tend very smooth, slipmat 8 has increased the frictional force of cable sheath body 3 with half pipe piece 7, prevent that cable sheath body 3 from sliding in half pipe piece 7, two

slipmats

8 and 3 outside wall contact of cable sheath body, 2 outside walls fixedly connected with handles 5 of rectangular block, as shown in figure 3, two handles 5 are when two rectangular block 2 are closed, also be the closure state.

Two 5 lateral wall fixedly connected with of handle 9 are same first connecting wire 9, this connected mode is the welding, first connecting wire 9 and second connecting wire 11 all are the wire, handle 5 also is metal material, with two 5 and first connecting wire 9 welding together, two second connecting wire 11 of 1 lateral wall fixedly connected with of transmission tower, first connecting

wire

9 and 11 lateral walls of second connecting wire slide respectively and have cup jointed second spring 17 and third spring 18, the both ends of second spring 17 respectively with circle piece 10 and two 5 fixed connection of handle, the both ends of third spring 18 respectively with 11 lateral walls of second connecting wire and transmission tower 1 fixed connection, second spring 17 and third spring 18 all provide the holding power for first connecting wire 9 and second connecting wire 11, also slow down and transmit the vibrations for transmission tower 1 by cable sheathing body 3.

The first connecting wire 9 of homonymy passes through adjustment mechanism with second connecting wire 11 and is connected, and adjustment mechanism includes the disk 10 of fixed connection at the 9 tip of first connecting wire, and circular thread section of thick bamboo 12 has been cup jointed to 10 lateral wall threads of disk, and 10 lateral walls of disk are equipped with the external screw thread, and the thread groove with external screw thread looks adaptation is seted up to 12 inside walls of circular thread section of thick bamboo.

The inner side wall of the circular threaded cylinder 12 is rotatably connected with a disc 13, the tail end of the second connecting line 11 is fixedly connected with the disc 13, and the two rectangular blocks 2 are rotatably connected through hinges.

Through-hole 14 has been seted up to circular thread section of thick bamboo 12 lateral wall, 11 lateral walls of second connecting wire and 14 inside wall sliding connection of through-hole, and circular thread section of thick bamboo 12 lateral wall is fixed to have cup jointed ring 15, and ring 15 lateral wall fixedly connected with is annular dwang 16 of arranging, makes things convenient for the dismantlement and the installation of circular thread section of thick bamboo 12 and fritter 10.

The working principle is as follows: two second connection lines 11 with third springs 18 are previously mounted on the transmission tower 1, on the same side as the cable sheath body 3.

As shown in fig. 3 and 4, two rectangular blocks 2 are sleeved on the outer side wall of a cable sheath body 3, the outer side wall of the cable sheath body 3 is contacted with and outwards extrudes a non-slip mat 8 and a half pipe block 7, the half pipe block 7 moves towards the inner side wall of a half pipe groove 4, a plurality of first springs 6 are compressed, when the two rectangular blocks 2 are closed, two handles 5 are also in a closed state, a first connecting line 9 and two closed handles 5 are welded together, the device is also arranged on the outer side wall of the cable sheath body 3 on the other side of a power transmission tower 1, a round block 10 extends into a circular threaded cylinder 12, a rotating rod 16 is rotated, the round block 10 is screwed into the circular threaded cylinder 12, and the rotating rod 16 is screwed tightly.

By providing the device at the joint of the power transmission tower 1 and the cable sheath body 3, when the cable sheath body 3 is suspended for a long time, the cable sheath body 3 is stretched, and the amplitude of bending of the cable sheath body 3 can be reduced by rotating the rotating lever 16, thereby reducing the influence of vibration generated when the cable sheath body 3 swings on the power transmission tower 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cable sheath vibration damper, includes transmission tower (1), four rectangular blocks (2) and fixed cable sheath body (3) of setting on transmission tower (1), its characterized in that, half tub of (4) have been seted up to rectangular block (2) lateral wall, half tub of (4) inside wall is equipped with the fixing device of fixed cable sheath body (3), rectangular block (2) lateral wall fixedly connected with handle (5), two the same first connecting wire (9) of handle (5) lateral wall fixedly connected with, two second connecting wires (11) of transmission tower (1) lateral wall fixedly connected with, homonymy first connecting wire (9) are connected through adjustment mechanism with second connecting wire (11), two rectangle block (2) are connected through the hinge rotation.

2. The damping device for the cable sheath according to claim 1, wherein the fixing device comprises a plurality of first springs (6) fixedly connected to the inner side wall of the half pipe groove (4), the outer side walls of the plurality of first springs (6) are fixedly connected with the same half pipe block (7), the inner side wall of the half pipe block (7) is fixedly connected with anti-skid pads (8), and the two anti-skid pads (8) are in contact with the outer side wall of the cable sheath body (3).

3. The cable sheath vibration damper according to claim 1, wherein the adjusting mechanism comprises a round block (10) fixedly connected to the end of the first connecting line (9), a circular threaded cylinder (12) is sleeved on the outer side wall of the round block (10) in a threaded manner, a circular disc (13) is rotatably connected to the inner side wall of the circular threaded cylinder (12), and the tail end of the second connecting line (11) is fixedly connected with the circular disc (13).

4. The cable sheath vibration damping device according to claim 3, wherein a through hole (14) is formed in an outer side wall of the circular threaded cylinder (12), an outer side wall of the second connecting wire (11) is slidably connected with an inner side wall of the through hole (14), a circular ring (15) is fixedly sleeved on an outer side wall of the circular threaded cylinder (12), and rotating rods (16) which are arranged in a ring shape are fixedly connected to an outer side wall of the circular ring (15).

5. The cable sheath vibration damper according to claim 3, wherein a second spring (17) and a third spring (18) are respectively sleeved on the outer side walls of the first connecting line (9) and the second connecting line (11) in a sliding manner, the two ends of the second spring (17) are respectively fixedly connected with the round block (10) and the two handles (5), and the two ends of the third spring (18) are respectively fixedly connected with the outer side wall of the second connecting line (11) and the power transmission tower (1).

6. The cable sheath vibration damper according to claim 3, wherein the outer side wall of the round block (10) is provided with an external thread, and the inner side wall of the round thread cylinder (12) is provided with a thread groove matched with the external thread.