CN109950847B

CN109950847B - Anti-galloping spacer for power transmission line

Info

Publication number: CN109950847B
Application number: CN201910121611.4A
Authority: CN
Inventors: 田彦彦; 张千; 许洋洋
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2019-02-16
Filing date: 2019-02-16
Publication date: 2020-05-29
Anticipated expiration: 2039-02-16
Also published as: CN109950847A

Abstract

The invention discloses a power transmission line anti-galloping spacer, which relates to the field of electric wire spacers and comprises a frame, wherein two rotary supports are symmetrically arranged on the surface of the frame, a first mounting ring and a second mounting ring are sequentially sleeved outside the rotary supports from bottom to top, a short pipe is arranged on the side surface of the first mounting ring, a long pipe is arranged on the side surface of the second mounting ring, the top ends of the short pipe and the long pipe are connected with a wire clamp, and a limiting and damping structure is arranged on the frame. The short pipe, the long pipe and the frame are connected in a rotating mode, and the rotation between the short pipe and the long pipe is single, so that when strong wind or large vibration occurs, the four conducting wires can swing according to different vibration routes and amplitudes, the tension on the connecting parts of the two ends of the routes and the tower is reduced, meanwhile, resonance is not easily generated, and the connection stability is ensured.

Description

Anti-galloping spacer for power transmission line

Technical Field

The invention relates to the field of wire spacers, in particular to an anti-galloping spacer for a power transmission line.

Background

Application No. 201410637799.5 discloses a damping adjustment type prevents sub-span oscillation conductor spacer, includes: the cable clamp, the frame and the elastic column; the elastic column, the wire clamps, the cross shafts and the wire clamp support are sequentially connected, the principle is that four wire clamps at four corners clamp four wires which are arranged in parallel, the middle frame supports the four wire clamps to keep the space between the four wires, the phenomenon that strong wind generates galloping and collision is avoided, however, the four corners are symmetrically arranged, when the strong wind or large vibration occurs, the four wires are galloped according to the same vibration route, the parts connected with a tower at two ends of the route are subjected to larger tension, resonance is easy to generate, the connection stability is influenced, and in addition, interference can be generated when the two adjacent wire clamps vibrate towards opposite directions. Therefore, it is necessary to invent a device for preventing the transmission line from galloping to solve the above problems.

Disclosure of Invention

The invention aims to provide an anti-galloping spacer for a power transmission line, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a transmission line prevents waving spacer, includes the frame, the surface symmetry of frame is equipped with two rotatory supports, first collar and second collar have been cup jointed in proper order by going on to outside the rotatory support, the side of first collar is equipped with the nozzle stub, the side of second collar stub is equipped with the long tube, the top of nozzle stub and long tube all is connected with the fastener, be equipped with spacing shock-absorbing structure on the frame.

Preferably, the wire clamp comprises a lower fixing disc and an upper fixing disc, the bottom end of the lower fixing disc is provided with an installation column on the surface corresponding to the short pipe, the lower fixing disc and the upper fixing disc are correspondingly provided with second connecting holes, and the connecting column is rotatably connected in the second connecting holes.

Preferably, the frame sets up to circular structure, all be equipped with the locating hole on rotatory support and the frame, sliding connection has the reference column in the locating hole, all be equipped with first connecting hole on reference column and the frame, first connecting hole internal rotation is connected with the spliced pole, sliding connection has the sleeve pipe on the nozzle stub, the nozzle stub top of intraduct rotates and is connected with solid fixed ring, the sheathed tube top corresponds solid fixed ring and is equipped with the snap ring, the outside snap ring side of sleeve pipe is equipped with first spring, the snap ring side of sheathed tube is equipped with the second spring, the exterior of the corresponding nozzle stub of long tube sets up.

Preferably, the limiting and damping structure comprises a rotation angle limiting structure arranged inside the frame, the side surface of the second mounting ring is connected with the first rotation angle limiting structure through a long pipe, and the side surface of the first mounting ring is connected with the second rotation angle limiting structure through a second connecting plate.

Preferably, the structure is injectd to turned angle includes setting up at the inside first guide way of frame and setting up the second guide way on circular frame circumference, the both ends of second guide way all are equipped with the third spring, the both ends of first guide way all are equipped with the fourth spring, the long tube runs through in the second guide way, the third spring at second guide way both ends is located the long tube both sides, sliding connection has the sliding column in the first guide way, the top and the second connecting plate bottom of sliding column are connected.

Preferably, the surface of the fixing ring, which is far away from the clamping ring, is provided with grooves, and the number of the grooves is not less than two.

The invention has the technical effects and advantages that:

1. the short pipe, the long pipe and the frame are connected in a rotating mode, and rotation between the short pipe and the long pipe is single, so that when strong wind or large vibration occurs, the four conducting wires can swing according to different vibration routes, the tension on the connecting parts of two ends of the lines and a tower is reduced, resonance is not easily generated, and the connection stability is ensured;

2. when the frame is diamond-shaped: the rotating path of the short pipe is limited through the first guide groove, the rotating path of the long pipe is limited through the second guide groove, meanwhile, the fourth springs are arranged at two ends of the first guide groove, the third springs are arranged at two ends of the second guide groove, the rotating angles of the short pipe and the long pipe can be limited, a certain damping effect can be achieved, meanwhile, interference between two adjacent electric wires can be effectively prevented, the outer portions of the short pipe and the long pipe are connected with the sleeve pipes in a sliding mode, a user can conveniently adjust the overall length according to using requirements, the sleeve pipes can be driven to move when the electric wires swing, accordingly, deformation of the first springs or the second springs can be caused, and the damping effect is achieved;

3. when the frame is circular: overall structure is comparatively simple, and for the rhombus, when two electric wires that long and short pipe clamp held waved relatively, more difficult emergence was interfered, can compress the spring, can play absorbing effect from this, and the connection structure setting of long pipe and nozzle stub and frame can effectually prevent to appear interfering between two adjacent electric wires simultaneously.

Drawings

FIG. 1 is a schematic diagram of a first structure of the present invention.

FIG. 2 is a schematic diagram of a first cross-sectional structure of the present invention.

FIG. 3 is a schematic diagram of a second cross-sectional structure according to the present invention.

FIG. 4 is a second structural diagram of the present invention.

In the figure: 1. a frame; 2. rotating the support; 3. a first mounting ring; 4. a short pipe; 5. a second mounting ring; 6. a long tube; 7. a positioning column; 8. a first connection hole; 9. connecting columns; 10. a sleeve; 11. a fixing ring; 12. a snap ring; 13. a first spring; 14. a second spring; 15. wire clamps; 16. a first guide groove; 17. a second guide groove; 18. a first connecting plate; 19. 21, a sliding column; 20. a second connecting plate; 22. a third spring; 23. a fourth spring; 24. mounting a column; 25. a lower fixed disc; 26. an upper fixed disc; 27. a second connection hole; 28. and (4) a groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the invention provides a power transmission line anti-galloping spacer shown in figures 1-3, which comprises a frame 1, wherein two rotary supports 2 are symmetrically arranged on the surface of the frame 1, a first mounting ring 3 and a second mounting ring 5 are sequentially sleeved outside the rotary supports 2 from bottom to top, a short pipe 4 is arranged on the side surface of the first mounting ring 3, a long pipe 6 is arranged on the side surface of the second mounting ring 5, the top ends of the short pipe 4 and the long pipe 6 are connected with a wire clamp 15, and a limiting and damping structure is arranged on the frame 1.

Further, in the above scheme, the wire clamp 15 includes a lower fixed disk 25 and an upper fixed disk 26, the bottom end of the lower fixed disk 25 is provided with the mounting post 24 on the surface corresponding to the short tube 4, the lower fixed disk 25 and the upper fixed disk 26 are correspondingly provided with a second connecting hole 27, the connecting post 9 is rotatably connected in the second connecting hole 27, and the wire clamp 15 is detachably configured, so that a user can select and use the specification of the wire clamp 15 according to the use requirement.

Example two:

in the solution of the first embodiment, fig. 1 to 3 show a case where the frame 1 is provided in a diamond structure. This embodiment (second embodiment, the overall structure is as shown in fig. 4) sets up frame 1 into circular structure, all be equipped with the locating hole on rotatory support 2 and the frame 1, sliding connection has reference column 7 in the locating hole, all be equipped with first connecting hole 8 on reference column 7 and the frame 1, 8 internal rotations in first connecting hole are connected with spliced pole 9, install fixed to reference column 7, sliding connection has sleeve 10 on

nozzle stub

4, 4 tops of nozzle stub of sleeve 10 inside rotate and are connected with solid fixed ring 11, the top of sleeve 10 corresponds solid fixed ring 11 and is equipped with snap ring 12, sleeve 10 outside snap ring 12 side is equipped with

first spring

13, 12 sides of the inside snap ring of sleeve 10 are equipped with second spring 14, the outside of long tube 6 corresponds the exterior structure setting of nozzle stub 4.

Further, in the above solution, in fig. 4 (fig. 4 shows a modified structure with a diamond design in a circular design, and the same position components do not indicate their marks one by one), the limiting and damping structure includes a rotation angle limiting structure disposed inside the frame 1, the side surface of the second mounting ring 5 is connected to the first rotation angle limiting structure through the long tube 6, the side surface of the first mounting ring 3 is connected to the second rotation angle limiting structure through the second connecting plate 20, and the short tube 4 and the long tube 6 are structurally configured to cause the first spring 13 and the second spring 14 to deform when the wire clamp 15 is subjected to a pulling force, thereby achieving the damping effect.

Further, in the above-mentioned solution, the rotation angle limiting structure includes a first guide slot 16 disposed inside the frame 1 and a second guide slot 17 disposed on the circumference of the circular frame 1 (here, different from the diamond frame design, see fig. 4), both ends of the second guide slot 17 are provided with third springs 22, both ends of the first guide slot 16 are provided with fourth springs 23, the long pipe 6 passes through the second guide slot 17, the third springs 22 at both ends of the second guide slot 17 are located at both sides of the long pipe 6, a sliding column 21 is slidably connected in the first guide slot 16, the top end of the sliding column 21 is connected with the bottom end of the second connecting plate 20, the structural arrangement of the first guide slot 16 can limit the rotation path of the short pipe 4, the structural arrangement of the second guide slot 17 can limit the rotation path of the long pipe 6, the structural arrangement of the third springs 22 and the fourth springs 23 can not only limit the rotation angles of the long pipe 6 and the short pipe 4, thereby preventing the interference and playing a role of shock absorption.

Further, in the above scheme, the fixing ring 11 is provided with the groove 28 on the surface far away from the snap ring 12, the number of the grooves 28 is not less than two, and the two columns corresponding to the grooves 28 are connected with the grooves 28 through the outside, so that the position of the snap ring 12 can be conveniently adjusted.

The working principle is as follows: earlier sleeve pipe 10 sliding connection on nozzle stub 4, then fixed ring 11 is connected with nozzle stub 4 again, adjust fixed ring 11's position according to the demand of using, then be connected fastener 15 and sleeve pipe 10 again, install long tube 6 on the same principle, then install first collar 3 and second collar 5 on rotatory support 2 in proper order, fix through reference column 7, then install reference column 7 through spliced pole 9, thereby accomplish the installation, fix the electric wire through fastener 15, from this connect whole with the wire, when the wire atress swings, can drive nozzle stub 4 and long tube 6 and rotate with rotatory support 2 as the center, compress through third spring 22 and fourth spring 23, thereby play and carry on spacingly to nozzle stub 4 and the rotation of long tube 6, absorbing effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a transmission line prevents waving spacer, includes frame (1), its characterized in that: the surface of the frame (1) is symmetrically provided with two rotary supports (2), a first mounting ring (3) and a second mounting ring (5) are sequentially sleeved outside the rotary supports (2) from bottom to top, a short pipe (4) is arranged on the side surface of the first mounting ring (3), a long pipe (6) is arranged on the side surface of the second mounting ring (5), the top ends of the short pipe (4) and the long pipe (6) are both connected with a wire clamp (15), and the frame (1) is provided with a limiting and damping structure; the frame (1) is of a circular structure, the rotary support (2) and the frame (1) are respectively provided with a positioning hole, a positioning column (7) is connected in the positioning hole in a sliding way, the positioning column (7) and the frame (1) are both provided with a first connecting hole (8), a connecting column (9) is rotationally connected in the first connecting hole (8), a sleeve (10) is connected on the short pipe (4) in a sliding way, the top end of the short pipe (4) in the sleeve (10) is rotationally connected with a fixed ring (11), the top end of the sleeve (10) is provided with a snap ring (12) corresponding to the fixed ring (11), a first spring (13) is arranged on the side surface of the snap ring (12) outside the sleeve (10), a second spring (14) is arranged on the side surface of the snap ring (12) in the sleeve (10), the outer part of the long pipe (6) is arranged corresponding to the outer structure of the short pipe (4); the limiting and damping structure comprises a first rotating angle limiting structure and a second rotating angle limiting structure which are arranged inside a frame (1), the side surface of a second mounting ring (5) is connected with the first rotating angle limiting structure through a long pipe (6), and the side surface of a first mounting ring (3) is connected with the second rotating angle limiting structure through a second connecting plate (20); the first and second rotation angle limiting structures comprise a first guide groove (16) arranged inside the frame (1) and a second guide groove (17) arranged on the circumference of the circular frame (1), third springs (22) are arranged at two ends of the second guide groove (17), fourth springs (23) are arranged at two ends of the first guide groove (16), the long pipe (6) penetrates through the second guide groove (17), the third springs (22) at two ends of the second guide groove (17) are located on two sides of the long pipe (6), sliding columns (21) are connected in the first guide groove (16) in a sliding mode, the top ends of the sliding columns (21) are connected with the bottom end of the second connecting plate (20), the first guide groove (16) limits the rotation path of the short pipe (4), and the rotation path of the long pipe (6) is limited by the second guide groove (17).

2. The anti-galloping spacer for transmission lines according to claim 1, characterized in that: fastener (15) are including lower fixed disk (25) and upper fixed disk (26), be equipped with erection column (24) on the face that the bottom of lower fixed disk (25) corresponds nozzle stub (4), it is equipped with second connecting hole (27) to correspond on lower fixed disk (25) and upper fixed disk (26), second connecting hole (27) internal rotation is connected with spliced pole (9).

3. The anti-galloping spacer for transmission lines according to claim 1, characterized in that: the surface, far away from the clamping ring (12), of the fixing ring (11) is provided with grooves (28), and the number of the grooves (28) is not less than two.