CN110556774A

CN110556774A - Adjustable damper

Info

Publication number: CN110556774A
Application number: CN201810546265.XA
Authority: CN
Inventors: 仝伟; 仝娜; 宋宁宁; 茆顺壮; 徐发春
Original assignee: JIANGSU YIDING POWER TECHNOLOGY Co Ltd
Current assignee: JIANGSU YIDING POWER TECHNOLOGY Co Ltd
Priority date: 2018-05-31
Filing date: 2018-05-31
Publication date: 2019-12-10

Abstract

The invention discloses an adjustable damper, which comprises a steel strand, wherein two ends of the steel strand are respectively provided with a hammer head, an L-shaped mounting block is fixed at the center of the steel strand, the upper end of the front wall of the L-shaped mounting block is fixed with a base plate, two sides of the bottom of the base plate are respectively provided with a sliding chute, a sliding rod is connected in the sliding chute in a sealing and sliding manner, the bottom end of the sliding rod penetrates through a groove opening of the sliding chute to extend downwards and is fixedly connected with an anti-skidding rubber pad, the edges of two sides in the base plate are respectively provided with a cavity, and a communication port is arranged between the cavity and. According to the invention, the sliding rod can slide up and down along the sliding groove by rotating the handle, when the sliding rod slides downwards, the anti-skidding rubber pad arranged at the bottom end of the sliding rod clamps the lead positioned in the limiting groove, so that the lead can be prevented from sliding and rotating in the limiting groove, various defects caused by using bolts and nuts are completely avoided, the use is convenient, and the handle is worth popularizing.

Description

Adjustable damper

Technical Field

The invention relates to the field of damper, in particular to an adjustable damper.

Background

The damper is used for reducing the vibration of the wire caused by wind force. The high-voltage overhead line has high pole position and large span, and can vibrate when the wire is acted by wind. The working conditions at the wire suspension are most unfavourable when the wire vibrates. Due to multiple vibrations, fatigue failure of the wire may occur due to periodic bending. When the span of the overhead line is more than 120 meters, a damper is generally adopted to prevent vibration.

The existing damper generally adopts a bolt and a nut to fix the damper on a wire in the air, the bolt and the nut are used in the air, if a worker is unstable in hand, the nut is easy to drop, potential safety hazards are caused, the damper cannot be fixed after the nut is lost, a new nut needs to be found, materials are wasted, and the damper is inconvenient to use.

Disclosure of Invention

the invention mainly aims to provide an adjustable damper which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

An adjustable damper comprises a steel strand, wherein hammer heads are mounted at two ends of the steel strand, an L-shaped mounting block is fixed at the center of the steel strand, a base plate is fixed at the upper end of the front wall of the L-shaped mounting block, sliding grooves are formed in two sides of the bottom of the base plate, sliding rods are connected in the sliding grooves in a sealing and sliding mode, the bottom end of each sliding rod penetrates through a groove opening of each sliding groove and extends downwards and is fixedly connected with an anti-skidding rubber pad, a cavity is formed in the edge of each of two sides inside the base plate, a communication opening is formed between each cavity and each sliding groove, a vertically arranged threaded rod is arranged in each cavity, the upper end and the lower end of each threaded rod are respectively connected with the inner top wall and the inner bottom wall of each cavity in a rotating mode, a moving block is connected to each threaded rod in a threaded mode, a connecting rod, the upper end of the threaded rod is provided with a first bevel gear, the upper end of one side, away from the communicating opening, of the inner wall of the cavity is provided with a through hole corresponding to the position of the first bevel gear, a driving shaft penetrates through the through hole, one end of the driving shaft penetrates through the through hole and extends into the cavity and is fixed with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the end, away from the second bevel gear, of the driving shaft penetrates through the through hole and extends out of the cavity and is fixedly connected with a handle.

Preferably, the L-shaped mounting block is integrally cast with the base plate.

Preferably, the connecting rod is connected with the inner side wall of the communication port in a sliding mode.

Preferably, one end of the connecting rod, which is far away from the moving block, is fixed to the top end of the side, which is close to the communication port, of the sliding rod.

Preferably, the driving shaft is rotatably connected with the inner side wall of the through hole.

Preferably, the anti-skid rubber pad is arc-shaped, and the L-shaped mounting block is provided with a limiting groove corresponding to the anti-skid rubber pad.

Compared with the prior art, the invention has the following beneficial effects: can make the slide bar slide from top to bottom along the spout through rotating the handle, when the slide bar lapse, the wire that the antiskid rubber pad that the slide bar bottom set up will be located the spacing inslot is tight, can prevent that the wire from sliding and rotate in the spacing inslot, has avoided all sorts of drawbacks because of using bolt and nut to bring completely, and it is comparatively convenient to use, is worth wideling popularize.

drawings

FIG. 1 is a schematic view of an adjustable damper according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

Fig. 3 is a side view of an L-shaped mounting block and substrate.

In the figure: 1. a substrate; 2. a slide bar; 3. an anti-skid rubber pad; 4. an L-shaped mounting block; 5. steel strand wires; 6. a hammer head; 7. a first bevel gear; 8. a second bevel gear; 9. a drive shaft; 10. a handle; 11. a threaded rod; 12. a chamber; 13. a moving block; 14. a connecting rod; 15. a chute; 16. a communication port; 17. a limiting groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-3, an adjustable damper comprises a steel strand 5, hammers 6 are mounted at both ends of the steel strand 5, an L-shaped mounting block 4 is fixed at the center of the steel strand 5, a base plate 1 is fixed at the upper end of the front wall of the L-shaped mounting block 4, sliding chutes 15 are arranged at both sides of the bottom of the base plate 1, a sliding rod 2 is hermetically and slidably connected in the sliding chute 15, the bottom end of the sliding rod 2 passes through the notch of the sliding chute 15 to extend downwards and is fixedly connected with an anti-skidding rubber pad 3, chambers 12 are arranged at both edges of both sides in the base plate 1, a communication port 16 is arranged between the chambers 12 and the sliding chute 15, a vertically arranged threaded rod 11 is arranged in the chambers 12, the upper end and the lower end of the threaded rod 11 are respectively rotatably connected with the inner top wall and the inner bottom wall of the chambers 12, a moving block 13 is, one end of the connecting rod 14 penetrates through the communication port 16 and is fixedly connected with the sliding rod 2, the upper end of the threaded rod 11 is provided with a first bevel gear 7, the upper end of one side, away from the communication port 16, of the inner wall of the cavity 12 is provided with a through hole corresponding to the position of the first bevel gear 7, a driving shaft 9 penetrates through the through hole, one end of the driving shaft 9 penetrates through the through hole and extends into the cavity 12 and is fixed with a second bevel gear 8, the second bevel gear 8 is meshed with the first bevel gear 7, and one end, away from the second bevel gear 8, of the driving shaft 9 penetrates through the through hole and extends out of the.

The L-shaped mounting block 4 and the base plate 1 are integrally cast and formed, the stability between the L-shaped mounting block 4 and the base plate 1 can be ensured, the L-shaped mounting block 4 and the base plate 1 are prevented from being fixed again in the later period, the connecting rod 14 is connected with the inner side wall of the communication port 16 in a sliding manner, the connecting rod 14 can limit the moving block 13, the moving block 13 is prevented from being driven to rotate when the threaded rod 11 rotates, one end of the connecting rod 14, far away from the moving block 13, is fixed with the top end of one side, close to the communication port 16, of the sliding rod 2, the moving block 13 can drive the sliding rod 2 to slide towards the inner bottom wall of the sliding groove 15 through the connecting rod 14, the driving shaft 9 is connected with the inner side wall of the through hole in a rotating manner, the anti-skid rubber pad 3 is prevented from swinging when the driving shaft 9 rotates, the antiskid rubber pad 3 can clamp the lead and prevent the lead from sliding and rotating in the limiting groove 17.

The adjustable damper comprises a limiting groove 17 formed in an L-shaped mounting block 4 and tightly attached to a lead in the air, a handle 10 is rotated, a first bevel gear 7 is driven to rotate by a second bevel gear 8 in the rotation process of the handle 10, so that a threaded rod 11 rotates, a moving block 13 cannot rotate under the limitation of a connecting rod 14 in the rotation process of the threaded rod 11, the moving block 13 can only move up and down on the threaded rod 11, the moving direction of the moving block 13 depends on the rotation direction of the handle 10, the sliding block 13 drives a sliding rod 2 to slide in a sliding groove 15 through the connecting rod 14 when moving, and when the sliding rod 2 slides downwards along the sliding groove 15, an anti-skidding rubber pad 3 arranged at the bottom end of the sliding rod 2 can clamp the lead in the limiting groove 17 to prevent the lead from sliding and rotating in the limiting groove 17.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an damper with adjustable, includes steel strand wires (5), its characterized in that: hammerheads (6) are installed at two ends of each steel strand (5), an L-shaped installation block (4) is fixed at the center of each steel strand (5), a base plate (1) is fixed at the upper end of the front wall of each L-shaped installation block (4), sliding chutes (15) are arranged on two sides of the bottom of each base plate (1), sliding rods (2) are connected in each sliding chute (15) in a sealing manner, the bottom ends of the sliding rods (2) penetrate through notches of the sliding chutes (15) to extend downwards and are fixedly connected with anti-skidding rubber pads (3), cavities (12) are arranged at the edges of two sides in each base plate (1), a communication port (16) is formed between each cavity (12) and each sliding chute (15), a vertically-arranged threaded rod (11) is arranged in each cavity (12), and the upper end and the lower end of each threaded rod (11) are respectively and rotatably connected with the inner top wall, a moving block (13) is connected to the threaded rod (11) in a threaded manner, a connecting rod (14) is fixed on one side of the moving block (13) close to the communication port (16), one end of the connecting rod (14) penetrates through the communicating opening (16) and is fixedly connected with the sliding rod (2), the upper end of the threaded rod (11) is provided with a first bevel gear (7), the upper end of one side of the inner wall of the chamber (12) far away from the communication port (16) is provided with a through hole corresponding to the position of the first bevel gear (7), a driving shaft (9) is inserted in the through hole, one end of the driving shaft (9) extends into the cavity (12) through the through hole and is fixed with a second bevel gear (8), the second bevel gear (8) is in meshed connection with the first bevel gear (7), and one end, far away from the second bevel gear (8), of the driving shaft (9) penetrates through the through hole to extend outwards of the cavity (12) and is fixedly connected with a handle (10).

2. The adjustable damper as claimed in claim 1, wherein: the L-shaped mounting block (4) and the substrate (1) are integrally cast and molded.

3. The adjustable damper as claimed in claim 1, wherein: the connecting rod (14) is connected with the inner side wall of the communicating opening (16) in a sliding mode.

4. The adjustable damper as claimed in claim 1, wherein: one end of the connecting rod (14) far away from the moving block (13) is fixed with the top end of one side of the sliding rod (2) close to the communication port (16).

5. the adjustable damper as claimed in claim 1, wherein: and the driving shaft (9) is rotatably connected with the inner side wall of the through hole.

6. The adjustable damper as claimed in claim 1, wherein: the anti-skid rubber pad (3) is arranged in an arc shape, and a limiting groove (17) corresponding to the anti-skid rubber pad (3) is formed in the L-shaped mounting block (4).