CN201523202U

CN201523202U - Rotary wire clip for conductor spacers

Info

Publication number: CN201523202U
Application number: CN2009202465756U
Authority: CN
Inventors: 朱宽军; 牛海军; 刘胜春; 孙娜; 李新民
Original assignee: China Electric Power Research Institute Co Ltd CEPRI
Current assignee: State Grid Corp of China SGCC; China Electric Power Research Institute Co Ltd CEPRI
Priority date: 2009-11-04
Filing date: 2009-11-04
Publication date: 2010-07-07
Anticipated expiration: 2019-11-04

Abstract

The utility model provides a rotary wire clip for conductor spacers, which is provided with a wire clip supporting body and a rotating wire clip body. The wire clip supporting body is fixedly connected to a conductor spacer body, the rotating wire clip body comprises a first wire clip head, a second wire clip head, two first rotary rods and two second rotary rods, wherein the first wire clip head and the second wire clip head are semi-circular-arc-shaped, the second rotary rods circumferentially rotate by utilizing self symmetrical centers, conducting wires are clamped via the wire clip heads by aid of the four-rod mechanism with fixed moving tracks, and then the rotary wire clip realizes free rotation by utilizing centers of the conducting wires as axes. The rotary wire clip abandons a design thinking that the existing rotary wire clip realizes rotation through a sliding form, and resolves problems that the sliding form leads the clip heads to be easy to rotate discontinuously and unsmoothly.

Description

A kind of revolution wire clamp that is used for conductor spacer

Technical field

The utility model relates to the electric power system devices field, is specifically related to a kind of revolution wire clamp that is used for the overhead transmission line conductor spacer.

Background technology

China is applied to that overhead transmission line revolution wire clamp kind is less, structure is single.At present, domestic construction 1000kV extra high voltage line transmission line demonstration project has adopted revolution wire clamp form conductor spacer, and this turning spur folder comprises two wire clamps: second wire clamp of first wire clamp, band slide rail.Produce between second wire clamp of band slide rail and the slide block on the fixedly connected conductor spacer body and slide.Realization is rotated with the center line of second wire clamp gripping of first wire clamp and band slide rail.This turning spur is clipped in Chinese patent: have a detailed description in 200820108710.6, a kind of revolution wire clamp of overhead transmission line conductor spacer, described revolution wire clamp is made of wire clamp supporter and swing wire clamp body, described wire clamp supporter is fixedly connected on conductor spacer, and described swing wire clamp body slides and is located on the described wire clamp supporter also around himself center of rotation swing; Described swing wire clamp body is made of wire clip body and wire clamp gland, and described wire clip body and wire clamp gland are connected as one and formed cylindric by bearing pin, and this columned swing wire clamp body center is formed with the fixing clamping hole that grips lead; It is circumferentially with continuous arc-shaped slide rail described wire clip body cylinder upper edge; The end of described wire clamp supporter is provided with slide block, and described slide block is slidedly arranged in the described arc-shaped slide rail, and this revolution wire clamp is realized rotating with sliding type, occurs rotating the discontinuous and problem that has some setbacks easily.

The utility model content

In order to overcome the defective of prior art, the purpose of this utility model is to provide a kind of simple in structure, continuous revolution wire clamp that is used for the overhead transmission line conductor spacer smoothly of rotation.

For this reason, the utility model provides a kind of revolution wire clamp that is used for conductor spacer, this revolution wire clamp is made of wire clamp supporting body and rotation wire clip body, one end of described wire clamp supporting body is connected on the conductor spacer, the other end is connected with the rotation wire clip body, it is characterized in that: described rotation wire clip body comprises the wire clamp chuck of being made up of the second wire clamp chuck of first wire clamp chuck of semicircular arc and semicircular arc, first pivoted lever and second pivoted lever, the center of described wire clamp chuck is formed with the clamping hole of fixing cord, the front end of the described first wire clamp chuck and the second wire clamp chuck is fixed by bearing pin, end is provided with flange, described two first pivoted levers are hinged with the first wire clamp chuck and the second wire clamp chuck respectively with symmetric form, be hinged with second pivoted lever between described two first pivoted levers, described second pivoted lever is connected with the wire clamp supporting body, described second pivoted lever serves as that axle rotates with himself symmetrical centre, and driving the wire clamp chuck with this serves as that axle rotates with the lead.

Another kind of technical scheme of the present utility model is: be hinged with two second pivoted levers that are arranged in parallel between described two first pivoted levers.

Wherein, described wire clamp chuck is that the angle that axle rotates is controlled at the 100-150 degree with the lead, to be controlled at 130 degree for good.

Wherein, the axis edge of the described first wire clamp chuck and the second wire clamp chuck is provided with knuckle.

Wherein, the intrados of the described first wire clamp chuck and the second wire clamp chuck is provided with the damping rubber pad.

The overhead transmission line revolution chuck of the utility model design is mainly considered the flexible performance requirement of its mechanical property, electric property and rotation, but to the manufacturability of structure, whether convenient influences such as and cost are installed also is very important.

The beneficial effects of the utility model are: revolution wire clamp of the present utility model with the wire clamp chuck by traditional slip realize rotating architecture advances be of the present utility model be a structure that realization wire clamp chuck freely rotates with lead, overall structure is simple, be easy to install and use, effectively solved chuck and rotated drawback discontinuous, that have some setbacks; Especially adopt the four-bar mechanism of the fixed motion track that two first pivoted levers, two second pivoted levers and the first wire clamp chuck and the second wire clamp chuck form, the track that makes the wire clamp chuck rotate is more stable, and chuck rotates more flexibility and reliability.

Description of drawings

Fig. 1 is the structural representation of first pivoted lever 6 in the utility model, and wherein Fig. 1 a is the front view of first pivoted lever, and Fig. 1 b is the vertical view of Fig. 1 a, and Fig. 1 c is the right view of Fig. 1 a;

Fig. 2 is the structural representation of second pivoted lever 7 in the utility model, and wherein Fig. 2 a is the front view of second pivoted lever, and Fig. 2 b is the vertical view of Fig. 2 a, and Fig. 2 c is the end view of Fig. 2 a;

Fig. 3 is the structural representation of the first wire clamp chuck 4 in the utility model, and wherein Fig. 3 a is the front view of the first wire clamp chuck, and Fig. 3 b is the vertical view of Fig. 3 a, and Fig. 3 c is the right view of Fig. 3 a;

Fig. 4 is the structural representation of the second wire clamp chuck 5 in the utility model, and wherein Fig. 4 a is the front view of the second wire clamp chuck, and Fig. 4 b is the vertical view of Fig. 4 a;

Fig. 5 is the structural representation of wire clamp supporting body 3 in the utility model, and wherein Fig. 5 a is the front view of wire clamp supporting body, and Fig. 5 b is the vertical view of Fig. 5 a, and Fig. 5 c is the right view of Fig. 5 a;

Fig. 6 is the overall structure schematic diagram of revolution wire clamp described in the utility model, and wherein Fig. 6 a is that turning spur clamps the front view for preparing, and Fig. 6 b is the vertical view of Fig. 6 a, and Fig. 6 c is the right view of Fig. 6 a;

Fig. 7 is the schematic perspective view of revolution wire clamp described in the utility model.

Embodiment

Below in conjunction with accompanying drawing the revolution wire clamp that is used for the overhead transmission line conductor spacer described in the utility model is described in further detail.

Embodiment one

As shown in Figure 1, the front portion of described first pivoted lever 6 is segmental arc, the straightway of rear portion for being made up of two straight-bars that parallel, the front end of segmental arc is provided with 61, two straight-bars of installing hole that are used to connect the first wire clamp chuck 4 or the second wire clamp chuck 5 and is provided with the installing hole 62 that is used to connect second pivoted lever 7.

As shown in Figure 2, described second pivoted lever 7 is shape linearly, and its two ends are provided with the installing hole 71 that is used to connect first pivoted lever 6, and the center is provided with the installing hole 72 that is used for connecting clamp supporting body 3.

As shown in Figure 3, the described first wire clamp chuck 4 is semicircular arc, which is provided with a deep-slotted chip breaker 41 that is used to connect first pivoted lever 6, the front end of the first wire clamp chuck 4 is provided with earhole 42, rear end and is provided with the flange 43, the centre that are used to control wire clamp chuck rotational angle and is provided with the installing hole 44 that connects first pivoted lever 6, in order to reduce vibration, on the intrados of the first wire clamp chuck 4, paste one deck damping rubber pad 10.

As shown in Figure 4, the described second wire clamp chuck 5 is semicircular arc, which is provided with a deep-slotted chip breaker 51 that is used to connect first pivoted lever 6, the front end of the second wire clamp chuck 5 is provided with the earhole 52, the rear end that are connected with earhole 42 and is provided with the flange 53, the centre that are used to control wire clamp chuck rotational angle and is provided with the installing hole 54 that is connected first pivoted lever 6, in order to reduce vibration, on the intrados of the second wire clamp chuck 5, paste one deck damping rubber pad 10.

As shown in Figure 5, the U-shaped end of described wire clamp supporting body 3 links to each other with second pivoted lever 7, and the other end is connected with conductor spacer, and described U-shaped end is provided with and is used for the installing hole 31 that is connected with second pivoted lever 7.

As shown in Figure 6, this revolution wire clamp is made of wire clamp supporting body 3 and rotation wire clip body, one end of described wire clamp supporting body 3 is connected on the conductor spacer, the other end is connected with the rotation wire clip body, described rotation wire clip body comprises first pivoted lever 6, second pivoted lever 7 and the wire clamp chuck of forming by the first wire clamp chuck 4 and the second wire clamp chuck 5, the earhole 52 of the earhole 42 of the described first wire clamp chuck, 4 front ends and the second wire clamp chuck, 5 front ends tightens up, the flange 53 of the flange 43 of the first wire clamp chuck end and the second wire clamp chuck end is fixed by bearing pin, be formed with the clamping hole 8 of fixing cord in the center of described wire clamp chuck, two first pivoted levers 6 are installed on the deep-slotted chip breaker 51 of the deep-slotted chip breaker 41 of the first wire clamp chuck 4 and the second wire clamp chuck 5 respectively with symmetric form, be hinged with two second pivoted levers 7 between described two first pivoted levers 6, described two second pivoted levers 7 are hinged with wire clamp supporting body 3.Described second pivoted lever 7 serves as that axle is done circumference and rotated with self symmetrical centre, described two first pivoted levers 6, two second pivoted levers 7 and the first wire clamp chuck 4, the second wire clamp chuck 5 are formed the four-bar mechanism of a fixed motion track, four-bar mechanism by described fixed motion track is realized wire clamp chuck clamping lead, and serves as that axle is realized freely rotating with the lead center.

Flange 43 is set and is in order to control the angle that chuck rotates in the purpose that the end of the second wire clamp chuck 5 is provided with flange 53 at the end of the first wire clamp chuck 4, flange is big more, and the angle that the wire clamp chuck rotates is just big more; Otherwise, then more little.For make effect of the present utility model reach optimum, control the wire clamp chuck usually with the lead be the axle angle of rotating at the 100-150 degree, with 130 degree for good.In order to prevent corona, be provided with knuckle 9 in the axis edge of the described first wire clamp chuck 4 and the second wire clamp chuck 5.One deck damping rubber pad 10 is pasted in vibration when rotating in order to reduce wire clamp chuck described in the utility model on the intrados of the first wire clamp chuck 4 and the second wire clamp chuck 5.

The conductor size that the size of the first wire clamp chuck 4 and the second wire clamp chuck 5 is held according to folder designs, and the interior round size of two wire clamp chucks is a bit larger tham folder and is held the lead diameter of wire, and this mainly considers the damping rubber pad is installed between wire clamp and lead.The length of described first pivoted lever 6 and second pivoted lever 7 designs according to the heading spacing of conductor spacer, and when the spacing of conductor spacer was big, the length of pivoted lever can design longly, and spacing is little then opposite.

Embodiment two

The structure of revolution wire clamp and annexation are substantially with embodiment one in this example, having difference only is: one second pivoted lever 7 is installed between two first pivoted levers 6, but, be good with two second pivoted levers of a kind of installation of embodiment 7 for the stability that guarantees that the wire clamp chuck rotates.

The utility model is described according to specific exemplary embodiment herein.To carry out suitable replacement under the scope of the present utility model or revise will be conspicuous not breaking away to one skilled in the art.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present utility model, scope of the present utility model is by appended claim definition.

Claims

1. revolution wire clamp that is used for conductor spacer, this revolution wire clamp is by wire clamp supporting body (3) and rotate the wire clip body formation, one end of described wire clamp supporting body (3) is connected on the conductor spacer, the other end is connected with the rotation wire clip body, it is characterized in that: described rotation wire clip body comprises the wire clamp chuck of being made up of the second wire clamp chuck (5) of first wire clamp chuck (4) of semicircular arc and semicircular arc, first pivoted lever (6) and second pivoted lever (7), the center of described wire clamp chuck is formed with the clamping hole (8) of fixing cord, the head end of the described first wire clamp chuck (4) and the second wire clamp chuck (5) is fixed by bearing pin, end is provided with flange, described two first pivoted levers (6) are hinged with the first wire clamp chuck (4) and the second wire clamp chuck (5) respectively with symmetric form, be hinged with second pivoted lever (7) between described two first pivoted levers (6), described second pivoted lever (7) is connected with wire clamp supporting body (3), described second pivoted lever (7) serves as that axle rotates with himself symmetrical centre, and driving the wire clamp chuck with this serves as that axle rotates with the lead.

2. revolution wire clamp as claimed in claim 1 is characterized in that: be hinged with two second pivoted levers (7) that are arranged in parallel between described two first pivoted levers (6).

3. revolution wire clamp as claimed in claim 1 or 2 is characterized in that: described wire clamp chuck is that the angle that axle rotates is controlled at the 100-150 degree with the lead.

4. revolution wire clamp as claimed in claim 3 is characterized in that: described wire clamp chuck is that the angle that axle rotates is controlled at 130 degree with the lead.

5. revolution wire clamp as claimed in claim 4 is characterized in that: the axis edge of the described first wire clamp chuck (4) and the second wire clamp chuck (5) is provided with knuckle (9).

6. revolution wire clamp as claimed in claim 5 is characterized in that: the intrados of the described first wire clamp chuck (4) and the second wire clamp chuck (5) is provided with damping rubber pad (10).