Large-span lead anti-galloping buffer device

Abstract

The utility model relates to the field of vibration reduction of power transmission lines, and discloses a large-span lead anti-galloping buffer device, which comprises a balancing weight and is characterized in that a buffer assembly is arranged at the top of the balancing weight, a multi-directional adjusting assembly is arranged at the top of the buffer assembly, a connecting frame is arranged at the top of the multi-directional adjusting assembly, and the connecting frame is provided with a plurality of connecting rods. The surface of the connecting frame is rotatably connected with an I-shaped rotating disc through a rotating shaft, the outer wall of the I-shaped rotating disc is provided with a wire connecting assembly, the buffer assembly comprises a fixing disc, the top of the fixing disc is fixedly connected with a buffer spring, and the multi-direction adjusting assembly comprises a connecting disc. And the top of the connecting disc is rotationally connected with a connecting rod. According to the utility model, through the arrangement of the wire connecting assembly, the multidirectional adjusting assembly, the buffer assembly and other structures, the wires of multiple groups of large-span sections are limited, under the influence of wind power, buffer force is provided for the wires during shaking, the galloping phenomenon is slowed down, and the damage to the wires is reduced.

Description

Technical Field

[0001] This utility model relates to the field of vibration reduction of power transmission lines, and in particular to a shock-absorbing device for anti-galloping of long-span conductors. Background Technology

[0002] Long-span conductors are special conductors used in long-span sections of power transmission lines. Long-span conductor anti-galloping buffer devices are engineering equipment used in high-voltage transmission lines, especially in long-span sections. They are mainly used to suppress or reduce the violent galloping of conductors under meteorological conditions such as strong winds and icing, and to avoid accidents such as line breakage, short circuits, and tower collapse caused by this.

[0003] Conductor galloping on power transmission lines is a serious problem in engineering, causing significant damage to transmission lines. With the development of the economy, the demand for electricity from various units such as industrial and mining enterprises is constantly increasing. Therefore, taking effective measures to ensure the smooth and safe operation of power transmission lines and minimize power grid accidents has become an urgent problem to be solved. Once conductor galloping occurs, it can usually last for several hours, thus causing great damage to high-voltage transmission lines and posing the most direct threat to the safe operation of transmission lines, especially for transmission lines in special areas.

[0004] In existing technologies, multiple sets of limiting rings on the frame are generally used to fix the conductor to achieve the anti-galloping effect. However, the conductor in a long span is affected by wind and will swing up and down or irregularly. When the conductor vibrates, there is no buffer, which will increase the damage to the conductor. Therefore, an anti-galloping buffer device for long span conductors is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a large-span conductor anti-galloping buffer device, which aims to improve the problem that the lack of buffering function in existing large-span conductor anti-galloping buffer devices leads to increased conductor galloping and the risk of conductor damage.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a large-span conductor anti-flying buffer device, comprising a counterweight, characterized in that: a buffer component is provided on the top of the counterweight, a multi-directional adjustment component is provided on the top of the buffer component, a connecting frame is provided on the top of the multi-directional adjustment component, an I-shaped turntable is rotatably connected to the surface of the connecting frame via a rotating shaft, and a conductor connecting component is provided on the outer wall of the I-shaped turntable.

[0007] The buffer assembly includes a fixed plate, and a buffer spring is fixedly connected to the top of the fixed plate;

[0008] The multi-directional adjustment assembly includes a connecting plate, a connecting rod rotatably connected to the top of the connecting plate, and a rotating ball rotatably connected to the top of the connecting rod.

[0009] The wire connection assembly includes a connecting plate, and a wire fixing ring is fixedly connected to the outer wall of the connecting plate.

[0010] As a further description of the above technical solution:

[0011] The top of the counterweight is rotatably connected to the bottom of the fixed plate via a rotating shaft, and the top of the buffer spring is fixedly connected to the bottom of the connecting plate.

[0012] As a further description of the above technical solution:

[0013] The top of the spherical component is rotatably connected to the bottom of the connecting frame.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the I-shaped turntable is rotatably connected to the inner surface of the connecting plate.

[0016] As a further description of the above technical solution:

[0017] A support cylinder is fixedly connected to the top of the fixed plate, a support rod is slidably connected to the inner wall of the support cylinder, an elastic rope is fixedly connected to the inner wall of the support cylinder, and a connecting rope is fixedly connected to the top of the elastic rope.

[0018] As a further description of the above technical solution:

[0019] The surface of the connecting plate has a through hole, and a fixing plate is fixedly connected to the top of the connecting plate. An adjusting screw is threaded into the inside of the fixing plate.

[0020] As a further description of the above technical solution:

[0021] The buffer spring is sleeved on the outer wall of the support cylinder, and the top end of the support rod is fixedly connected to the bottom of the connecting plate.

[0022] As a further description of the above technical solution:

[0023] The through hole is sleeved on the outer wall of the connecting rope, and the connecting rope is wound around the outer wall of the adjusting screw.

[0024] This utility model has the following beneficial effects:

[0025] 1. In this utility model, by combining the structure of conductor connection component, multi-directional adjustment component, buffer component, I-shaped turntable and connecting frame, the conductors of multiple large span sections are limited. Under the influence of wind, the conductors are provided with buffer force to reduce the phenomenon of swaying and reduce damage to the conductors.

[0026] 2. In this utility model, by combining the structure of support cylinder, support rod, through hole, elastic rope, connecting rope, fixing plate and adjusting screw, the buffer component is provided with buffer support force. At the same time, the extension and contraction of the buffer spring can be adjusted according to the wind conditions of different regions or environments to adapt to the vibration amplitude of the conductor, optimize the vibration characteristics of the anti-galloping function, and reduce the galloping amplitude and vibration energy of the conductor. Attached Figure Description

[0027] Figure 1 This is a side view of the main structure of a large-span conductor anti-flying buffer device proposed in this utility model;

[0028] Figure 2 This is an exploded side view of the main structure of a large-span conductor anti-flashover buffer device proposed in this utility model;

[0029] Figure 3 This is a partial cross-sectional schematic diagram of the main structure of a large-span conductor anti-flying buffer device proposed in this utility model;

[0030] Figure 4 This utility model proposes a large-span conductor anti-galloping buffer device. Figure 3 Enlarged schematic diagram of region A in the middle.

[0031] Legend:

[0032] 1. Wire connection assembly; 101. Connecting plate; 102. Wire fixing ring; 2. Connecting frame; 3. Multi-directional adjustment assembly; 31. Rotating ball; 32. Connecting rod; 33. Connecting disc; 4. Buffer assembly; 41. Buffer spring; 42. Fixing disc; 5. Counterweight; 6. I-shaped turntable; 7. Support cylinder; 8. Support rod; 9. Through hole; 10. Elastic rope; 11. Connecting rope; 12. Fixing plate; 13. Adjusting screw. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1-3 This utility model provides an embodiment of a large-span conductor anti-galloping buffer device, comprising a counterweight 5, a buffer assembly 4 on the top of the counterweight 5, the buffer assembly 4 including a fixed plate 42, a buffer spring 41 fixedly connected to the top of the fixed plate 42, two sets of buffer springs 41 being arranged in a mirror image about the center point of the fixed plate 42, and a multi-directional adjustment assembly 3 on the top of the buffer assembly 4, the multi-directional adjustment assembly 3 including a connecting plate 33, a connecting rod 32 rotatably connected to the top of the connecting plate 33. The top of the connecting rod 32 is rotatably connected to a ball joint 31. The top of the multi-directional adjustment assembly 3 is provided with a connecting frame 2. The surface of the connecting frame 2 is rotatably connected to an I-shaped turntable 6 via a rotating shaft. The outer wall of the I-shaped turntable 6 is provided with a wire connection assembly 1. The wire connection assembly 1 includes a connecting plate 101. The outer wall of the connecting plate 101 is fixedly connected with a wire fixing ring 102. The wire fixing ring 102 allows the wire to pass through and provides a limit. Each of the four corners of the connecting plate 101 is provided with a set of wire fixing rings 102, thereby enabling multiple sets of wires to be separated and limited.

[0035] Reference Figures 1-3 The top of the counterweight 5 is rotatably connected to the bottom of the fixed plate 42 via a rotating shaft. The counterweight 5 can improve the quality of the anti-flying device, adjust the center of gravity to achieve stability and balance, and reduce the amplitude of the wire's dance. The top of the buffer spring 41 is fixedly connected to the bottom of the connecting plate 33. The top of the rotating ball 31 is rotatably connected to the bottom of the connecting frame 2. The outer wall of the I-shaped turntable 6 is rotatably connected to the inner surface of the connecting plate 101. The I-shaped turntable 6 allows the connecting plate 101 to rotate on its surface.

[0036] Reference Figure 4 A support cylinder 7 is fixedly connected to the top of the fixed plate 42. A buffer spring 41 is sleeved on the outer wall of the support cylinder 7. A support rod 8 is slidably connected to the inner wall of the support cylinder 7. The support rod 8 can move up and down inside the support cylinder 7. The range of movement of the support rod 8 follows the range of extension and retraction of the buffer spring 41. The bottom of the support rod 8 is provided with a protrusion that can contact the protrusion of the support cylinder 7. It will not detach from the support cylinder 7 after being stretched to its limit. The top of the support rod 8 is fixedly connected to the bottom of the connecting plate 33. An elastic rope 10 is fixedly connected to the inner wall of the 7, and a connecting rope 11 is fixedly connected to the top of the elastic rope 10. A through hole 9 is passed through the surface of the connecting disc 33, and the through hole 9 is fitted onto the outer wall of the connecting rope 11. A fixing plate 12 is fixedly connected to the top of the connecting disc 33, and an adjusting screw 13 is threadedly connected to the inside of the fixing plate 12. The connecting rope 11 is wound around the outer wall of the adjusting screw 13. By rotating the adjusting screw 13 in both directions, the degree of winding of the connecting rope 11 can be controlled, thereby controlling the tightness of the elastic rope 10.

[0037] Working principle: The rotation direction of the adjusting screw 13 is controlled to wind or release the connecting rope 11. When the connecting rope 11 is wound, the elastic rope 10 will stretch due to the tension. When the connecting rope 11 is released, the elastic rope 10 will contract due to the loss of tension. By controlling the tension of the elastic rope 10, the extension and retraction of the buffer spring 41 can be controlled. The wire is then fixed by passing it through the wire fixing ring 102. Multiple sets of wire fixing rings 102 can fix multiple wires, which can limit each other. When the wire shakes, the connecting frame 2 rotates and the rotating ball 31 rotates. Because the buffer spring 41 can undergo elastic deformation, the shaking is delayed before it is transmitted to the counterweight 5. At the same time, the support rod 8 rises and falls in the support cylinder 7 to provide support for the connecting plate 33, preventing the buffer spring 41 from loosening during extension and retraction. Due to the inertia of the counterweight 5, the wire is buffered in multiple directions when it shakes, so as to reduce the dancing phenomenon and reduce the damage to the wire.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A large-span conductor anti-dancing buffer device comprising a counterweight (5), characterized in that: The counterweight (5) is provided with a buffer assembly (4) at the top, and a multi-directional adjustment assembly (3) is provided at the top of the buffer assembly (4). A connecting frame (2) is provided at the top of the multi-directional adjustment assembly (3). An I-shaped turntable (6) is rotatably connected to the surface of the connecting frame (2) via a rotating shaft. A wire connecting assembly (1) is provided on the outer wall of the I-shaped turntable (6). The buffer assembly (4) includes a fixed disk (42), and a buffer spring (41) is fixedly connected to the top of the fixed disk (42). The multi-directional adjustment component (3) includes a connecting plate (33), a connecting rod (32) is rotatably connected to the top of the connecting plate (33), and a ball joint (31) is rotatably connected to the top of the connecting rod (32). The wire connection assembly (1) includes a connecting plate (101), and a wire fixing ring (102) is fixedly connected to the outer wall of the connecting plate (101).

2. A large-span conductor anti-dancing buffer device according to claim 1, characterized in that: The top of the counterweight (5) is rotatably connected to the bottom of the fixed disk (42) via a rotating shaft, and the top of the buffer spring (41) is fixedly connected to the bottom of the connecting disk (33).

3. A large-span conductor anti-dancing buffer device according to claim 1, characterized in that: The top of the ball-rotating component (31) is rotatably connected to the bottom of the connecting frame (2).

4. A large-span conductor anti-dancing buffer device according to claim 1, characterized in that: The outer wall of the I-shaped turntable (6) is rotatably connected to the inner surface of the connecting plate (101).

5. A bird buffer for long span conductor lines as claimed in claim 1, wherein: The top of the fixed plate (42) is fixedly connected to a support cylinder (7), the inner wall of the support cylinder (7) is slidably connected to a support rod (8), the inner wall of the support cylinder (7) is fixedly connected to an elastic rope (10), and the top of the elastic rope (10) is fixedly connected to a connecting rope (11).

6. A large-span conductor anti-dancing buffer device according to claim 5, characterized in that: The surface of the connecting plate (33) has a through hole (9), and a fixing plate (12) is fixedly connected to the top of the connecting plate (33). An adjusting screw (13) is threadedly connected inside the fixing plate (12).

7. A bird barrier device for a high voltage power line as defined in claim 5 wherein: The buffer spring (41) is sleeved on the outer wall of the support cylinder (7), and the top end of the support rod (8) is fixedly connected to the bottom of the connecting plate (33).

8. A bird barrier device for long span conductors as defined in claim 6, wherein: The through hole (9) is fitted on the outer wall of the connecting rope (11), and the connecting rope (11) is wound around the outer wall of the adjusting screw (13).

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