Vibration damper for high-altitude power transmission line
By incorporating support rods, support plates, and connecting springs into the vibration damper design, the problem of decreased elasticity of steel strands due to long-term bending is solved, extending the service life of the vibration damper and improving the stability and safety of the power system.
Patent Information
- Application Number
- CN202520425157.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-12
AI Technical Summary
In existing vibration dampers, the steel strands are in a bent state for a long time, which affects their elasticity and leads to a shortened service life of the vibration damper.
The structure employs a support rod and support plate, with connecting springs providing support for the steel strand. Combined with a balance beam and sealing plate design, it maintains the horizontal state of the steel strand and reduces the impact of the hammer's weight on the steel strand.
It effectively extends the service life of the vibration damper, reduces the decrease in the elasticity of the steel strand, reduces the need for regular maintenance and replacement, and improves the stability and safety of the power system.
Smart Images
Figure CN223898949U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a damper technology field especially relates to a high altitude power transmission line is with damper. BACKGROUND
[0002] The damper of high altitude power transmission line is a kind of important equipment for reducing the vibration and swing of power transmission line under the action of wind, rain and snow and other natural factors, and these vibrations generated by electric wire can lead to conductor fatigue damage if not controlled, even cause wire breakage accident, seriously affect the safety and stability of power system;Damper produces relative motion by its internal weight or elastic element when conductor vibrates, thereby converting mechanical energy into heat energy or other forms of energy, to achieve the purpose of vibration reduction;Damper can keep the relative stable dynamic balance of conductor when being subjected to external excitation by its mass distribution and structure design, reduce unnecessary vibration;Damper can effectively reduce the vibration amplitude and frequency of conductor, prevent conductor from fatigue damage due to long-term vibration, thereby prolong its service life, reduce the risk of conductor breakage, ensure the stable operation of power transmission system, reduce the probability of large-area power failure accident caused by line fault, reduce the demand of regular maintenance and replacement of conductor, save maintenance cost.
[0003] At present, the swing of damper mostly uses steel strand rope, and the hammer body is completely supported by steel strand rope, but since damper needs to be suspended on electric wire for a long time, the steel strand rope is in curved state for a long time, which affects the elastic performance of steel strand rope, and finally affects the service life of damper.
[0004] Therefore, to provide a damper for high altitude power transmission line, reduce the influence of hammer head on the elastic performance of steel strand rope, and improve the service life of damper. Utility model content
[0005] Therefore, the utility model aims at providing a damper for high altitude power transmission line to solve the problems in the above background.
[0006] To solve the above technical problems, the utility model provides the following technical scheme: a damper for high altitude power transmission line, which comprises a fixed petal, a pair of connecting plates one is symmetrically arranged on the side surface of the fixed petal;The other end of one side connecting plate one is provided with a connecting box, a fixed column is horizontally arranged in the inner center of the connecting box, a steel strand rope is arranged in the inner center of the fixed column, support rods are symmetrically arranged on the bottom surface of the connecting box, and support plates are arranged on the other end of the support rods.
[0007] As a preferred scheme of the anti-vibration hammer for high-altitude power transmission line, the width of the connecting box is same as the width of the connecting plate one, the two ends of the fixed column are flush with the two ends of the connecting box, the side of the fixed column is provided with a plurality of connecting plate two, the other end of the connecting plate two on one side is connected with the bottom surface of the connecting plate one, the other end of the remaining connecting plate two is vertically connected with the inner wall of the connecting box, and the length of the connecting plate two is same as the length of the fixed column.
[0008] As a preferred scheme of the anti-vibration hammer for high-altitude power transmission line, the width of the connecting box is same as the width of the connecting plate one, the two ends of the fixed column are flush with the two ends of the connecting box, the side of the fixed column is provided with a plurality of connecting plate two, the other end of the connecting plate two on one side is connected with the bottom surface of the connecting plate one, the other end of the remaining connecting plate two is vertically connected with the inner wall of the connecting box, and the length of the connecting plate two is same as the length of the fixed column.
[0009] As a preferred scheme of the anti-vibration hammer for high-altitude power transmission line, the width of the connecting box is same as the width of the connecting plate one, the two ends of the fixed column are flush with the two ends of the connecting box, the side of the fixed column is provided with a plurality of connecting plate two, the other end of the connecting plate two on one side is connected with the bottom surface of the connecting plate one, the other end of the remaining connecting plate two is vertically connected with the inner wall of the connecting box, and the length of the connecting plate two is same as the length of the fixed column.
[0010] As a preferred scheme of the anti-vibration hammer for high-altitude power transmission line, the width of the connecting box is same as the width of the connecting plate one, the two ends of the fixed column are flush with the two ends of the connecting box, the side of the fixed column is provided with a plurality of connecting plate two, the other end of the connecting plate two on one side is connected with the bottom surface of the connecting plate one, the other end of the remaining connecting plate two is vertically connected with the inner wall of the connecting box, and the length of the connecting plate two is same as the length of the fixed column.
[0011] As a preferred scheme of the anti-vibration hammer for high-altitude power transmission line, the width of the connecting box is same as the width of the connecting plate one, the two ends of the fixed column are flush with the two ends of the connecting box, the side of the fixed column is provided with a plurality of connecting plate two, the other end of the connecting plate two on one side is connected with the bottom surface of the connecting plate one, the other end of the remaining connecting plate two is vertically connected with the inner wall of the connecting box, and the length of the connecting plate two is same as the length of the fixed column.
[0012] The anti-vibration hammer for high-altitude power transmission line has the advantages that:
[0013] 1. The anti-vibration hammer for high-altitude power transmission line has the advantages that:
[0014] 2. The anti-vibration hammer for high-altitude power transmission line has the advantages that: BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. Among them:
[0016] Figure 1 It is a whole structure schematic view of the anti-vibration hammer for high-altitude power transmission line of the present application.
[0017] Figure 2 It is a left view of the anti-vibration hammer for high-altitude power transmission line of the present application.
[0018] Figure 3 It is a partial structure schematic view of the anti-vibration hammer for high-altitude power transmission line of the present application. Figure 1
[0019] Figure 4 It is a partial structure schematic view of the anti-vibration hammer for high-altitude power transmission line of the present application. Figure 2
[0020] Explanation of reference signs:
[0021] 1, fixed petal; 11, connecting plate one; 2, steel strand rope; 21, connecting block; 22, clamping block; 23, connecting spring; 3, hammer head; 31, hammer body; 4, connecting box; 41, fixed column; 42, connecting plate two; 43, sealing plate; 5, support rod; 51, fixed table; 52, balance beam; 6, support plate. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.
[0023] Referring to Figures 1-4 The anti-vibration hammer for high-altitude power transmission line provided by the present application comprises a fixed petal 1, and a pair of connecting plates one 11 are symmetrically arranged on the side surface of the fixed petal 1; the other end of one side connecting plate one 11 is provided with a connecting box 4, a fixed column 41 is horizontally arranged in the inner center of the connecting box 4, a steel strand rope 2 is arranged in the inner part of the fixed column 41, support rods 5 are symmetrically arranged on the bottom surface of the connecting box 4, and support plates 6 are arranged at the other end of the support rods 5.
[0024] Specifically, the side of the fixed flap 1 is symmetrically provided with a pair of connecting plates 11, and the two fixed flaps 1 are spliced with each other through the connecting plates 11 and are fastened through nuts provided on the connecting plates 11; the other end of one side connecting plate 11 is provided with a connecting box 4, a fixed column 41 is horizontally provided in the inner center of the connecting box 4, a steel cable 2 is provided in the inner center of the fixed column 41, the center of the steel cable 2 is fixed in the inner center of the connecting plate 42 through the fixed column 41 in the inner center of the connecting box 4; the bottom surface of the connecting box 4 is symmetrically provided with a support rod 5, the other end of the support rod 5 is provided with a support plate 6, and the support rod 5 and the support plate 6 are rotatably connected with each other, so that when the connecting box 4 is subjected to a horizontal wind, the support plate 6 can be driven to rotate on the support rod 5.
[0025] The width of the connecting box 4 is the same as the width of the connecting plate 11, the two ends of the fixed column 41 are flush with the two ends of the connecting box 4, and the side of the fixed column 41 is provided with a plurality of connecting plates 42; the other end of the connecting plate 42 on one side is connected with the bottom surface of the connecting plate 11, and the other end of the remaining connecting plates 42 is perpendicularly connected with the inner wall of the connecting box 4; the length of the connecting plate 42 is the same as the length of the fixed column 41.
[0026] Specifically, the fixed column 41 is fixed on the lower connecting plate 11, and the fixed column 41 is fixed in the inner center of the connecting box 4 through the connecting plate 42, so as to provide stable support for the center of the steel cable 2.
[0027] The size of the steel cable 2 is the same as the inner diameter length of the connecting box 4, the steel cable 2 is symmetrically distributed along the center line of the connecting box 4 in the connecting box 4, the two ends of the steel cable 2 extend outward from the two ends of the connecting box 4, and a hammer head 3 is provided on the end surface of the steel cable 2.
[0028] Specifically, the two ends of the steel cable 2 are driven to vibrate to offset the vibration of the electric wire, and the symmetric steel cables 2 on both sides of the connecting box 4 balance the vibration of the hammer heads 3 on both sides.
[0029] The center of the side surface of the steel cable 2 at one end of the connecting box 4 is provided with a connecting block 21, the inner diameter of the connecting block 21 is fitted with the side surface of the steel cable 2, the bottom surface of the connecting block 21 is provided with a clamping block 22, the top surface of the clamping block 22 is tangent to the side surface of the steel cable 2, the bottom of the clamping block 22 is provided with a connecting spring 23, and the other end of the connecting spring 23 is connected with the top surface of the support plate 6.
[0030] Specifically, the support plate 6 and the clamping block 22 are connected through the connecting spring 23, the connecting block 21 and the clamping block 22 fitted on the side surface of the steel cable 2 are driven to swing synchronously through the swing of the steel cable 2, the clamping block 22 drives the connecting spring 23 to move while swinging, and the connecting spring 23 pushes the clamping block 22 to reset after the steel cable 2 stops swinging, so that the steel cable 2 remains horizontal.
[0031] One end of the support rod 5 penetrates the support plate 6, the end surface of the support rod 5 is flush with the bottom surface of the support plate 6, the support rod 5 is coaxially provided with a fixed table 51 on the end surface, one side of the fixed table 51 is attached to the bottom surface of the support plate 6, the outer side of the support rod 5 is provided with a balance beam 52, the top surface of the balance beam 52 is attached to the bottom surface of the connecting box 4, and the bottom surface of the balance beam 52 is attached to the top surface of the support plate 6.
[0032] Specifically, the connecting box 4 and the support plate 6 are fixed by the balance beam 52, the support plate 6 is kept horizontal, the connecting spring 23 is continuously supported by the horizontal support plate 6, and the connecting spring 23 keeps the steel strand 2 horizontal, thereby avoiding the decrease of the elastic performance of the steel strand 2 caused by the gravity of the hammer head 3 long-term applying pressure on both ends of the steel strand 2.
[0033] A plurality of sealing plates 43 are arranged on the two side end surfaces of the connecting box 4; a pair of hammer bodies 31 are symmetrically arranged on the end surface of the hammer head 3, and the steel strand 2 is located at the center of the hammer body 31.
[0034] Specifically, the gap between the connecting box 4, the fixed column 41 and the connecting plate two 42 is sealed by the sealing plate 43, so as to avoid the rusting of the structure inside the connecting box 4 under harsh air conditions, the steel strand 2 shakes between the hammer bodies 31, the influence of the harsh air conditions on the transverse movement of the steel strand 2 is reduced by the hammer bodies 31, and the steel strand 2 always drives the hammer head 3 to swing in the longitudinal direction.
[0035] In use, the fixed petal 1 and the connecting plate one 11 are fixed on the wire, when the wire shakes, the transmission is transmitted to the steel strand 2, the steel strand 2 drives the hammer head 3 at both ends to shake synchronously, so as to offset the shaking on the wire, the connecting spring 23 provides support for the steel strand 2, the connecting spring 23 provides continuous tension for the steel strand 2 when the steel strand 2 shakes, the steel strand 2 is kept horizontal when the steel strand 2 does not shake, the influence of the hammer head 3 on the elastic performance of the steel strand 2 is reduced, when the air applies transverse force to the steel strand 2, the support plate 6 is driven by the hammer body 31 to rotate around the support rod 5, and the steel strand 2 is reset in the transverse elastic performance.
[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, and all should be covered in the claim range of the utility model.
Claims
1. A vibration damper for high-altitude power transmission lines, comprising a fixed segment (1), characterized in that: A pair of connecting plates (11) are symmetrically arranged on the side of the fixed petal (1); a connecting box (4) is provided at the other end of one connecting plate (11); a fixing column (41) is arranged horizontally at the center of the inside of the connecting box (4); a steel strand (2) is arranged inside the fixing column (41); support rods (5) are symmetrically arranged on both sides of the bottom surface of the connecting box (4); a support plate (6) is provided at the other end of the support rod (5).
2. The vibration damper for high-altitude power transmission lines according to claim 1, characterized in that: The width of the connecting box (4) is the same as the width of the connecting plate (11). The two ends of the fixing post (41) are flush with the two ends of the connecting box (4). Multiple connecting plates (42) are provided on the side of the fixing post (41). The other end of the connecting plate (42) on one side is connected to the bottom surface of the connecting plate (11). The other ends of the other connecting plates (42) are vertically connected to the inner wall of the connecting box (4). The length of the connecting plate (42) is the same as the length of the fixing post (41).
3. A vibration damper for high-altitude power transmission lines according to claim 2, characterized in that: The steel strand (2) has the same size as the inner diameter of the connecting box (4). The steel strand (2) is symmetrically distributed in the connecting box (4) along the center line of the connecting box (4). The two ends of the steel strand (2) extend outward from the two ends of the connecting box (4). Hammers (3) are provided on the end face of the steel strand (2).
4. A vibration damper for high-altitude power transmission lines according to claim 3, characterized in that: A connecting block (21) is provided at the center of the side of the steel strand (2) at one end of the connecting box (4). The inner diameter of the connecting block (21) fits against the side of the steel strand (2). A clamping block (22) is provided on the bottom surface of the connecting block (21). The top surface of the clamping block (22) is tangent to the side of the steel strand (2). A connecting spring (23) is provided at the bottom of the clamping block (22). The other end of the connecting spring (23) is connected to the top surface of the support plate (6).
5. A vibration damper for high-altitude power transmission lines according to claim 4, characterized in that: One end of the support rod (5) passes through the support plate (6), and the end face of the support rod (5) is flush with the bottom surface of the support plate (6). A fixed platform (51) is coaxially provided on the end face of the support rod (5). One side of the fixed platform (51) is in contact with the bottom surface of the support plate (6). A balance beam (52) is provided on the outside of the support rod (5). The top surface of the balance beam (52) is in contact with the bottom surface of the connecting box (4), and the bottom surface of the balance beam (52) is in contact with the top surface of the support plate (6).
6. A vibration damper for high-altitude power transmission lines according to claim 5, characterized in that: Multiple sealing plates (43) are provided on both sides of the connecting box (4); a pair of hammer bodies (31) are symmetrically arranged on the end face of the hammer head (3), and the steel strand (2) is located at the center of the hammer body (31).