CN215733377U

CN215733377U - Damping device for electric power iron tower

Info

Publication number: CN215733377U
Application number: CN202121191911.9U
Authority: CN
Inventors: 熊信贵; 王佳; 王飞
Original assignee: NANJING DAJI STEEL TOWER MANUFACTURING CO LTD
Current assignee: NANJING DAJI STEEL TOWER MANUFACTURING CO LTD
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-01
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a damping device for an electric power iron tower, which relates to the technical field of electric power iron towers and comprises an iron tower body, both sides of the bottom of the iron tower body are fixedly provided with cross arms, the upper surfaces of the cross arms are fixedly provided with mounting angle steels through bolts, the mounting angle steel is fixedly provided with a first connecting piece and a second connecting piece through bolts, the bottom end of the first connecting piece is fixedly connected with a universal coupling, in the utility model, when strong wind appears outside, because the insulator and the wire clamp can swing along with the wind direction under the action of the universal coupling and when the insulator and the wire clamp swing along with the wind direction, can reduce the wind resistance on the wire clamp to a certain extent, improves the service life of the insulator and the wire clamp, meanwhile, the influence of strong wind on the power transmission line is reduced, flashover accidents of the line in wind disaster are reduced, and the running cost of the line in the wind disaster area is reduced.

Description

Damping device for electric power iron tower

Technical Field

The utility model relates to the technical field of electric power iron towers, in particular to a damping device for an electric power iron tower.

Background

The damping device for the insulator of the power transmission line in the strong wind area is characterized in that the damping device is arranged at the position of a wire hanging angle steel of a power transmission line iron tower, so that the phenomenon that the insulator flashover of the line is caused due to overlarge wind deflection is prevented.

For areas with frequent wind damage, when the power transmission line passes through the wind area, the influence of strong wind on the power transmission line is reduced, flashover accidents of the line in the wind damage are reduced, and meanwhile, the running cost of the line in the wind damage area is reduced. Therefore, the safe operation of the power transmission line in a strong wind area can be improved, and the labor intensity of line flashover maintenance caused by wind disasters is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a damping device for an electric power iron tower.

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

the utility model provides an electric power is damping device for iron tower, includes iron tower body, the equal fixed mounting in iron tower body's bottom both sides has the cross arm, the upper surface of cross arm has the installation angle steel through bolt fixed mounting, the installation angle steel has first connecting piece, second connecting piece through bolt fixed mounting, the bottom fixedly connected with universal joint of first connecting piece, universal joint's bottom fixedly connected with connecting rod, screw fixedly connected with mounting disc is passed through to the bottom of connecting rod, the bottom fixedly connected with insulator of mounting disc, the bottom fixedly connected with fastener of insulator, the last fixed surface of mounting disc installs the connecting seat, the upper surface swing joint of connecting seat has the attenuator, the other end of attenuator is articulated each other with the bottom of second connecting piece.

Preferably, the bottom ends of the first connecting piece and the second connecting piece penetrate through and extend to the lower surface of the cross arm, and the number of the second connecting pieces is four, and the second connecting pieces are respectively distributed around the first connecting piece.

Preferably, the mounting angle steel is L-shaped.

Preferably, attenuator, connecting seat are four, attenuator, connecting seat all prolong the axle center equidistance of connecting rod and arrange, through being connected of a plurality of attenuators and connecting seat, have also further improved the stability of being connected between mounting disc, insulator, fastener and the cross arm.

Preferably, the outer wall of the installation angle steel is fixedly sleeved with a spring, swinging energy is further consumed through the spring, and a certain damping effect is achieved.

The utility model has the beneficial effects that:

1. in the utility model, when strong wind occurs outside, the insulator and the wire clamp can swing along with the wind direction under the action of the wind force due to the action of the universal coupling, and when the insulator and the wire clamp swing along with the wind direction, the wind resistance of the wire clamp can be reduced to a certain extent, the service lives of the insulator and the wire clamp are prolonged, the influence of strong wind on a power transmission line is reduced, the flashover accident of the line in wind disaster is reduced, and the running cost of the line in the wind disaster area is reduced.

2. According to the utility model, when the mounting disc, the insulator and the wire clamp swing along the wind direction to form a certain included angle, the swinging amplitude of the mounting disc, the insulator and the wire clamp gradually consumes swinging energy through the damping of the damper along with the increase of the swinging angle of the mounting disc, the insulator and the wire clamp, meanwhile, the swinging energy is further consumed through the spring to play a certain damping role, and the swinging amplitude can be controlled to swing within the range of 0-35 degrees, so that the safe operation of the power transmission line in a strong wind area can be improved, and the labor intensity of line flashover maintenance caused by wind disasters can be further avoided.

3. In the utility model, the connection stability among the mounting disc, the insulator, the wire clamp and the cross arm is further improved by connecting the plurality of dampers with the connecting seat.

Drawings

Fig. 1 is a schematic structural diagram of a damping device for an electric power iron tower according to the present invention.

Fig. 2 is a schematic structural diagram of a cross arm, a mounting angle steel, a first connecting piece and a second connecting piece of the damping device for the electric power iron tower.

Fig. 3 is a sectional view taken along a-a in fig. 2 of a damping device for an electric power tower according to the present invention.

Fig. 4 is a schematic structural diagram of an installation angle steel of the damping device for the electric power iron tower.

Fig. 5 is a schematic structural diagram of a universal coupling of the damping device for the electric iron tower.

Reference numbers in the figures: 1. an iron tower body; 2. a cross arm; 3. installing angle steel; 4. a first connecting member; 5. a second connecting member; 6. a universal coupling; 7. a connecting rod; 8. mounting a disc; 9. an insulator; 10. wire clamps; 11. a connecting seat; 12. a spring; 13. a damper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example (b):

as shown in figures 1 to 5:

the utility model provides an electric power is damping device for iron tower, including iron tower body 1, the equal fixed mounting in iron tower body 1's bottom both sides has cross arm 2, there is installation angle steel 3 cross arm 2's upper surface through bolt fixed mounting, installation angle steel 3 has first connecting piece 4 through bolt fixed mounting, second connecting piece 5, the bottom fixedly connected with universal joint 6 of first connecting piece 4, universal joint 6's bottom fixedly connected with connecting rod 7, screw fixedly connected with mounting disc 8 is passed through to connecting rod 7's bottom, mounting disc 8's bottom fixedly connected with insulator 9, the bottom fixedly connected with fastener 10 of insulator 9, mounting disc 8's last fixed surface installs connecting seat 11, the last surface swing joint of connecting seat 11 has attenuator 13, the other end of attenuator 13 is articulated each other with second connecting piece 5's bottom.

The bottom of first connecting piece 4, second connecting piece 5 all runs through and extends to the lower surface of cross arm 2, and second connecting piece 5 is four, and issues respectively around first connecting piece 4, and installation angle steel 3 is the L type, and attenuator 13, connecting seat 11 are four, and attenuator 13, connecting seat 11 all prolong the axle center equidistance of connecting rod 7 and arrange.

In the technical scheme, the connection stability between the mounting disc 8, the insulator 9, the wire clamp 10 and the cross arm 2 is further improved through the connection of the dampers 13 and the connecting seat 11.

The outer walls of the mounting angle steels 3 are fixedly sleeved with springs 12.

In the above technical solution, the energy of the swing is further consumed by the spring 12, and a certain damping effect is achieved.

The specific use mode and function of the embodiment are as follows:

when the high-voltage transmission line is used, when strong wind appears outside, the insulator 9 and the wire clamp 10 can swing along with the wind direction under the action of the universal coupling 6, and when the insulator 9 and the wire clamp 10 swing along with the wind direction, the wind resistance of the wire clamp 10 can be reduced to a certain extent, so that the service lives of the insulator 9 and the wire clamp 10 are prolonged, meanwhile, the influence of the strong wind on the transmission line is reduced, the flashover accident of the line in wind disaster is reduced, and meanwhile, the running cost of the line in the wind disaster area is reduced;

when the mounting disc 8, the insulator 9 and the wire clamp 10 swing along the wind direction to form a certain included angle, the swing amplitude of the mounting disc 8, the insulator 9 and the wire clamp 10 gradually consumes the swing energy through the damping of the damper 13 along with the increase of the swing angle of the mounting disc 8, the insulator 9 and the wire clamp 10, meanwhile, the swing energy is further consumed through the spring 12, a certain damping effect is achieved, and the swing amplitude can be controlled to swing within the range of 0-35 degrees, so that the safe operation of the power transmission line in a strong wind area can be improved, and the labor intensity of line flashover maintenance caused by wind disasters can be further avoided;

meanwhile, the stability of connection among the mounting disc 8, the insulator 9, the wire clamp 10 and the cross arm 2 is further improved through the connection of the dampers 13 and the connecting seat 11.

The above structure and process are shown in FIGS. 1-5.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The damping device for the electric power iron tower comprises an iron tower body (1) and is characterized in that cross arms (2) are fixedly mounted on two sides of the bottom of the iron tower body (1), mounting angle steel (3) is fixedly mounted on the upper surface of each cross arm (2) through bolts, first connecting pieces (4) and second connecting pieces (5) are fixedly mounted on the mounting angle steel (3) through bolts, universal couplings (6) are fixedly connected to the bottom ends of the first connecting pieces (4), connecting rods (7) are fixedly connected to the bottom ends of the universal couplings (6), mounting discs (8) are fixedly connected to the bottom ends of the connecting rods (7) through screws, insulators (9) are fixedly connected to the bottom ends of the mounting discs (8), wire clamps (10) are fixedly connected to the bottom ends of the insulators (9), and connecting seats (11) are fixedly mounted on the upper surface of the mounting discs (8), the upper surface swing joint of connecting seat (11) has attenuator (13), the other end of attenuator (13) and the bottom of second connecting piece (5) are articulated each other.

2. The damping device for the electric power iron tower as claimed in claim 1, wherein the bottom ends of the first connecting piece (4) and the second connecting piece (5) penetrate through and extend to the lower surface of the cross arm (2), and the number of the second connecting pieces (5) is four, and the four second connecting pieces are respectively distributed around the first connecting piece (4).

3. The damping device for the electric power iron tower as claimed in claim 1, wherein the mounting angle steel (3) is L-shaped.

4. The damping device for the electric power iron tower as claimed in claim 1, wherein the number of the dampers (13) and the number of the connecting seats (11) are four, and the dampers (13) and the connecting seats (11) are arranged along the axis of the connecting rod (7) at equal intervals.

5. The damping device for the electric power iron tower as claimed in claim 1, wherein springs (12) are fixedly sleeved on the outer walls of the mounting angle steels (3).