CN222169268U - Vibration damper for power transmission line - Google Patents
Vibration damper for power transmission line Download PDFInfo
- Publication number
- CN222169268U CN222169268U CN202420104376.6U CN202420104376U CN222169268U CN 222169268 U CN222169268 U CN 222169268U CN 202420104376 U CN202420104376 U CN 202420104376U CN 222169268 U CN222169268 U CN 222169268U
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- China
- Prior art keywords
- fixedly connected
- block
- clamping plate
- transmission line
- power transmission
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
本实用新型涉及防震锤技术领域，公开了一种输电线路防震锤，包括连接块，所述连接块顶端固定连接有夹板一，所述夹板一顶部后侧转动连接有夹板二，所述夹板二前端固定连接有固定块一，所述固定块一内部螺纹连接有螺栓，所述螺栓底部螺纹连接有固定块二，所述夹板二内部固定连接有均匀分布的弹簧一，多个所述弹簧一底部固定连接有橡胶垫，所述连接块顶部左右两侧均固定连接有延伸块，所述延伸块顶部滑动连接有滑块。本实用新型中，实现了防震锤对输电线路受力点的增大，改善输电线路的稳定性，受到地震或较大风力影响时，通过增大的受力点，使防震锤减缓振动传递，减小结构受到的力量，提高系统整体的稳定性和耐震性能。
The utility model relates to the technical field of shockproof hammers, and discloses a shockproof hammer for power transmission lines, including a connecting block, a clamping plate 1 is fixedly connected to the top of the connecting block, a clamping plate 2 is rotatably connected to the rear side of the top of the clamping plate 1, a fixing block 1 is fixedly connected to the front end of the clamping plate 2, a bolt is threadedly connected to the internal thread of the fixing block 1, a fixing block 2 is threadedly connected to the bottom of the bolt, a spring 1 evenly distributed is fixedly connected to the internal of the clamping plate 2, a plurality of springs 1 are fixedly connected to the bottom with rubber pads, extension blocks are fixedly connected to the left and right sides of the top of the connecting block, and a slider is slidably connected to the top of the extension block. In the utility model, the shockproof hammer increases the force points on the power transmission line, improves the stability of the power transmission line, and when affected by an earthquake or strong wind, the shockproof hammer slows down the transmission of vibration through the increased force points, reduces the force on the structure, and improves the overall stability and shock resistance of the system.
Description
Technical Field
The utility model relates to the technical field of vibration-proof hammers, in particular to a vibration-proof hammer for a power transmission line.
Background
When electric power construction is carried out, because the high-voltage overhead line pole is higher, the span is great, when the cable receives earthquake or wind-force effect and can shake, the operating condition of cable suspension department is most unfavorable when the cable shakes, because of many times of vibrations, the cable can take place fatigue failure because of periodic buckling, in order to prevent the emergence of this kind of phenomenon, generally hang on the cable that is close to the insulator both sides and set up vibration control device to absorb or weaken vibration energy, change the circuit swing frequency, prevent the vibrations of circuit.
The Chinese patent document with the search notice number of CN205863864U discloses a damper, in particular to an integral prefabricated composite damper in the field of transmission line hardware fittings. The utility model mainly solves the problems of corona generation, rust and drop, wire abrasion, unstable installation and the like of the traditional damper. The utility model discloses an integral prefabricated composite material damper which comprises a heavy hammer, a high-frequency vibration rod and a wire clamp, wherein the two heavy hammers are arranged at the end parts of the high-frequency vibration rod, the other end of the high-frequency vibration rod is connected with the wire clamp, the heavy hammer, the high-frequency vibration rod and the wire clamp are of an integral structure, a heavy hammer core is arranged at the center of the heavy hammer, and the heavy hammer core is made of a high-density nonmetallic material.
However, in use, the device is single only by taking the fixed point as a stress point, and under the action of long-term vibration, the damper can generate a larger single-point load at the point, so that local stress concentration on the structure is caused, and the risk of fatigue and damage of the structural component is increased.
Disclosure of utility model
In order to overcome the defects, the utility model provides a vibration damper for a power transmission line, which aims to solve the problem that a fixed point is used as a single stress point when the equipment is used, and avoid the vibration damper to generate a larger single-point load at the point.
The shock damper for the power transmission line comprises a connecting block, wherein the top end of the connecting block is fixedly connected with a first clamping plate, the rear side of the top of the first clamping plate is rotationally connected with a second clamping plate, the front end of the second clamping plate is fixedly connected with a first fixing block, the first fixing block is internally connected with a bolt in a threaded manner, the bottom of the bolt is in threaded connection with a second fixing block, the second fixing block is fixedly connected with the front end of the first clamping plate, the second clamping plate is internally and fixedly connected with uniformly distributed springs, the bottoms of a plurality of springs are fixedly connected with rubber pads, the left side and the right side of the top of the connecting block are fixedly connected with extension blocks, the top of the extension blocks is slidably connected with a sliding block, and the front end of the extension blocks is fixedly connected with a fixing assembly.
As a further description of the above technical solution:
The fixing assembly comprises a piggyback frame and a clamping block, the piggyback frame is fixedly connected to the front end of the sliding block, the clamping block is fixedly connected to the front end of the extending block, the inside of the piggyback frame is slidably connected with a movable piggyback, and the movable piggyback clamping block is connected to the inside of the clamping block.
As a further description of the above technical solution:
The connecting block is internally provided with a thread groove, threaded rods are connected with the left side and the right side of the thread groove in a threaded mode, elastic rods are fixedly connected with the side walls of the threaded rods, hammer bodies are fixedly connected with the side walls of the elastic rods, and sealing rings are fixedly connected with the left side and the right side of the connecting block.
As a further description of the above technical solution:
The spring II is arranged in the back-up frame and is arranged on the movable back-up outer wall.
As a further description of the above technical solution:
the outer wall of the hammer body is fixedly connected with friction strips which are uniformly distributed.
As a further description of the above technical solution:
and the bottoms of the two extending blocks are fixedly connected with two limiting blocks.
As a further description of the above technical solution:
and a first limiting block is fixedly connected inside the thread groove.
As a further description of the above technical solution:
the diameters of the channels of the extension block and the sliding block are larger than those of the channels of the clamping plate I and the clamping plate II.
The utility model has the following beneficial effects:
1. According to the utility model, under the mutual matching of the connecting block, the first clamping plate, the second clamping plate, the first fixing block, the second fixing block, the bolt, the first spring, the rubber pad, the extension block and the sliding block, the increase of the stress point of the power transmission line by the vibration damper is realized, the stability of the power transmission line is improved, when the power transmission line is influenced by earthquake or larger wind force, the vibration damper slows down vibration transmission through the increased stress point, the force born by the structure is reduced, and the overall stability and the vibration resistance of the system are improved.
2. According to the utility model, the effect of installing or detaching the hammer body of the damper is realized through the mutual coordination of the thread groove, the threaded rod, the elastic rod, the hammer body and the sealing ring, so that a maintainer can easily detach, access, inspect and maintain the damper, so that problems can be found in time conveniently, corresponding maintenance measures can be taken, and the normal running state of the damper can be maintained.
Drawings
Fig. 1 is a perspective view of a damper for a power transmission line according to the present utility model;
Fig. 2 is a schematic structural view of an elastic rod of a damper for a power transmission line according to the present utility model;
Fig. 3 is a schematic structural diagram of a connecting block of a vibration damper for a power transmission line according to the present utility model;
fig. 4 is a schematic structural diagram of a second clamping plate of the vibration damper for the power transmission line according to the present utility model;
fig. 5 is an enlarged view at a in fig. 3.
Legend description:
1. Connecting block 2, clamping plate one, clamping plate two, fixing block one, fixing block two, bolt one, 7, spring one, 8, rubber pad, 9, extension block 10, sliding block 11, frame carrying, 12, movable carrying, 13, spring two, 14, clamping block 15, thread groove 16, threaded rod 17, elastic rod 18, hammer body 19, limiting block one, 20, sealing ring 21, limiting block two, 22 and friction strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 3 and 4, the vibration damper for the transmission line comprises a connecting block 1, wherein the top end of the connecting block 1 is fixedly connected with a clamping plate I2, the rear side of the top of the clamping plate I2 is rotationally connected with a clamping plate II 3, the front end of the clamping plate II 3 is fixedly connected with a fixing block I4, the inner thread of the fixing block I4 is connected with a bolt 6, the bottom of the bolt 6 is in threaded connection with a fixing block II 5, the fixing block II 5 is fixedly connected with the front end of the clamping plate I2, the inner part of the clamping plate II 3 is fixedly connected with uniformly distributed springs I7, the bottoms of the springs I7 are fixedly connected with rubber pads 8, the left side and the right side of the top of the connecting block 1 are fixedly connected with extension blocks 9, the top of the extension blocks 9 is slidingly connected with a sliding block 10, the front end of the extension blocks 9 is fixedly connected with a fixing assembly, the clamping plate I2 is lifted up and is close to the transmission line through the connecting block 1, the rotation of the clamping plate I3 is propped against the clamping plate I2, the transmission line is completed through the bolts 6 in sequence in threaded connection with the fixing block II 5, the reverse direction of the clamping plate II 3 is prevented from being separated from the transmission line, the rebound blocks I8 are separated from the clamping plate I7, the clamping blocks 3 are prevented from being separated from the transmission line 2, the clamping blocks 9 are prevented from being separated from the clamping plate I2 and the clamping plate I9 and the clamping block II and the transmission line 9 can be directly and the transmission line is prevented from being separated from the clamping part from the clamping block 9 by the clamping block 9 and being directly sliding to the clamping block 9 and being directly to the clamping block 9.
Referring to fig. 1, 3 and 5, the fixed assembly includes a frame 11 and a clamping block 14, the frame 11 is fixedly connected to the front end of the slider 10, the clamping block 14 is fixedly connected to the front end of the extending block 9, a movable clamping block 12 is slidably connected to the inside of the frame 11, the movable clamping block 12 is in clamping connection with the inside of the clamping block 14, a second spring 13 is arranged in the frame 11, the second spring 13 is arranged on the outer wall of the movable clamping block 12, the movable clamping block 12 is pulled upwards when the slider 10 slides into the extending block 9, the movable clamping block 12 is loosened after sliding, the movable clamping block 12 slides downwards in the frame 11 through resilience of the second spring 13, and finally the bottom of the movable clamping block 12 is clamped into the clamping block 14, so that the fixation of the slider 10 and the extending block 9 is completed.
Referring to fig. 1-3, the threaded groove 15 is formed in the connecting block 1, threaded rods 16 are connected to the left side and the right side of the threaded groove 15 in a threaded manner, elastic rods 17 are fixedly connected to the side walls of the two threaded rods 16, hammer bodies 18 are fixedly connected to the side walls of the two elastic rods 17, sealing rings 20 are fixedly connected to the left side and the right side of the connecting block 1, limiting blocks two 21 are fixedly connected to the bottoms of the two extending blocks 9, friction strips 22 are fixedly connected to the outer walls of the hammer bodies 18, the two threaded rods 16 enter the threaded groove 15 in a threaded manner, until the two threaded rods 16 reach the limiting blocks one 19 to avoid collision, when an earthquake or vibration caused by wind force influence occurs, the two hammer bodies 18 vibrate to the power transmission line in opposite phases through the two elastic rods 17, vibration is achieved, vibration of the elastic rods 17 is limited through the limiting blocks two 21, excessive bending is avoided when the elastic rods 17 vibrate to cause the hammer bodies 18 to collide with the power transmission line, external dust or rainwater is prevented from entering the threaded groove 15 and the threaded rods 16 through the sealing rings 20, friction force of the hammer bodies 18 is increased through the friction strips 22, and the hammer bodies 16 are convenient to enter or leave the threaded groove 15 when the hammer bodies 18 rotate.
When the vibration damper for the electric transmission line is used, the left threaded rod 16 and the right threaded rod 16 are respectively penetrated into the left sealing ring 20 and the right sealing ring 20, the two hammer bodies 18 are held to rotate, the left threaded rod 16 and the right threaded rod 16 are screwed into the threaded grooves 15 until reaching the first limiting block 19, the connecting block 1 is lifted to align the first clamping plate 2 with the electric transmission line, the second clamping plate 3 is rotated to abut against the first clamping plate 2, the first clamping plate 2 and the second clamping plate 3 are sequentially screwed into the fixed block 4 and the fixed block 5 through the bolts 6, the rubber pads 8 are used for extruding and gripping the electric transmission line in the first clamping plate 2 and the second clamping plate 3 through the rebound of the plurality of springs 7, the electric transmission line is clamped on the extending block 9, the sliding block 10 is slid above the extending block 9, the movable clamping block 12 is clamped into the clamping block 14 through the rebound of the second springs 13, the stress point of the electric transmission line is increased, and when the electric transmission line is affected by earthquakes or wind power, the two hammer bodies 18 vibrate through the two elastic rods 17 to perform opposite-phase motions on the electric transmission line, and vibration damping is realized.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420104376.6U CN222169268U (en) | 2024-01-16 | 2024-01-16 | Vibration damper for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420104376.6U CN222169268U (en) | 2024-01-16 | 2024-01-16 | Vibration damper for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222169268U true CN222169268U (en) | 2024-12-13 |
Family
ID=93777564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420104376.6U Active CN222169268U (en) | 2024-01-16 | 2024-01-16 | Vibration damper for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222169268U (en) |
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2024
- 2024-01-16 CN CN202420104376.6U patent/CN222169268U/en active Active
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