CN214707094U - Transmission line vibration-proof device - Google Patents

Transmission line vibration-proof device Download PDF

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Publication number
CN214707094U
CN214707094U CN202121074999.6U CN202121074999U CN214707094U CN 214707094 U CN214707094 U CN 214707094U CN 202121074999 U CN202121074999 U CN 202121074999U CN 214707094 U CN214707094 U CN 214707094U
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China
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fixed
transmission line
wall
power transmission
ring
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CN202121074999.6U
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Inventor
李辉
牟辰东
陈熙伦
李平
霍明
田秋松
林雨
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Construction Branch Of State Grid Inner Mongolia Eastern Power Co ltd
State Grid Corp of China SGCC
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Construction Branch Of State Grid Inner Mongolia Eastern Power Co ltd
State Grid Corp of China SGCC
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Priority to CN202121074999.6U priority Critical patent/CN214707094U/en
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Abstract

This reality belongs to transmission line technical field, and especially a transmission line anti-vibration device to the problem that transmission line vibrations drop, now proposes following scheme, including outer protective sheath, fixed block and transmission line body, the circumference inner wall of outer protective sheath is fixed with the fixed inner ring that the equidistance distributes, and fixed inner ring's circumference inner wall is fixed with the fixed partition plate that prolongs fixed inner ring circumference inner wall equidistance and distribute, fixed partition plate keeps away from fixed inner ring's one end fixedly connected with solid fixed ring, and solid fixed ring's circumference inner wall opens the circular slot that has the equidistance and distributes. This real new power transmission line body receives under the wind-force effect, takes place the vibration, and the tip and the grip block contact of power transmission line body extrude the grip block, and the one end second spring atress of grip block shortens, and the symmetrical second spring extension on one side with it prevents power transmission line body both ends centre gripping tension, leads to the long-time vibrations of power transmission line body, receives certain injury to the normal operating of power transmission line body.

Description

Transmission line vibration-proof device
Technical Field
This reality is new and is related to transmission line technical field, especially relates to a transmission line anti-vibration device.
Background
In an overhead transmission line, a conducting wire and a lightning conductor often generate strong vibration, so that accidents such as strand breakage of the conducting wire, hardware damage, short circuit between wires and the like are caused, and the safety of the transmission line is seriously threatened. When the span of the overhead line is more than 120 meters, a vibration-proof device is generally arranged to avoid accidents caused by vibration. At present, in the process of erecting a high-altitude power transmission line, anti-vibration equipment is usually arranged, an anti-vibration hammer is usually arranged on the overhead line, the anti-vibration hammer is mainly used for reducing the vibration of the wire, and an anti-vibration whip or a resistance wire and the like are also adopted and are used for reducing the vibration of the wire.
At present, the anti-vibration device for the power transmission line has a plurality of unsatisfactory parts. On one hand, the anti-vibration device of the power transmission line has an unreasonable structure, so that the service life of the anti-vibration device is limited; on the other hand, various performances of the anti-vibration device of the power transmission line are not matched with the anti-vibration requirement of the overhead power transmission line, so that the full play of the anti-vibration device of the power transmission line is limited.
Disclosure of Invention
Based on the technical problem that the two ends of the transmission line fall off due to vibration, the transmission line vibration prevention device is provided.
This transmission line anti-vibration device that reality newly provided, including outer protective sheath, fixed block and power transmission line body, the circumference inner wall of outer protective sheath is fixed with the fixed inner ring that the equidistance distributes, and fixed inner ring circumference inner wall is fixed with the fixed baffle that prolongs fixed inner ring circumference inner wall equidistance and distributes, fixed baffle keeps away from fixed inner ring's the solid fixed ring of one end fixedly connected with, and solid fixed ring's circumference inner wall opens the circular slot that has the equidistance to distribute, the bottom inner wall fixedly connected with second spring of circular slot, and the one end fixedly connected with movable rod of second spring, the one end fixedly connected with grip block of movable rod, and the circumference outer wall of movable rod has cup jointed the spacing ring, the circumference outer wall fixedly connected with limiting plate of spacing ring.
Preferably, the circumference outer wall of solid fixed ring is fixed with respectively and follows solid fixed ring circumference outer wall equidistance distribution's first baffle and second baffle, and the opposite side outer wall of fixed baffle is fixed with two third springs of symmetric distribution.
Preferably, the outer walls of the left side and the right side of the first baffle plate and the second baffle plate are fixedly connected with hammer heads.
Preferably, the top outer wall of fixed block is fixed with the mounting panel, and the top outer wall of mounting panel is close to four corners department and is fixed with the supporting leg.
Preferably, the top of supporting leg is fixed with the base, and the top outer wall of mounting panel is located the outside fixedly connected with first spring of supporting leg, and the top fixed connection of first spring is in the bottom of base.
Preferably, the circumference inner wall of base is provided with the packing ring, and the outer protective sheath is fixed in the circumference inner wall of packing ring, and the top of base is fixed with fixed lid.
Preferably, the clamping ring is sleeved at one end, close to the base, of the circumferential outer wall of the outer protective sleeve, and a damping mechanism is fixed to the outer wall of the bottom of the clamping ring.
Preferably, the damping mechanism comprises a mounting groove, a fourth spring, a threaded cylinder, a threaded rod and a counterweight ball, and the sliding plate is slidably connected to the inner wall of the mounting groove.
Preferably, the sliding plate is fixedly connected with the bottom of the clamping ring, and the sliding plate is fixedly connected with the inner wall of the mounting groove.
Preferably, the threaded cylinder is fixedly connected to the left end and the right end of the mounting groove, the inner wall of the circumference of the threaded cylinder is connected with the threaded rod in a rotating mode through threads, and the upper end and the lower end of the threaded rod are fixedly connected with the counterweight balls.
The beneficial effect in this reality is:
1. this transmission line anti-vibration device, grip block through setting up, the spacing ring, the limiting plate, the movable rod, the second spring, gu fixed ring, the power transmission line body receives the wind force down, take place the vibration, the tip and the grip block contact of power transmission line body, the extrusion grip block, the one end second spring atress of grip block shortens, the symmetrical one side second spring extension with it, cushion the vibrations of power transmission line body, prevent power transmission line body both ends centre gripping tension, lead to the long-time vibrations of power transmission line body, normal operating to the power transmission line body receives certain injury, can make the power transmission line body produce metal fatigue for a long time, the disconnected strand phenomenon takes place for a long time, the disconnected line incident of emergence even.
2. This transmission line anti-vibration device, through third spring, first baffle, second baffle, the tup that sets up, during the vibrations of transmission line body, the production drives solid fixed ring horizontal rotation's vibrations internal force, and on the internal force transmitted third spring and tup, make third spring and tup take place elastic shock, has subducted the internal force of vibrations, protection device's safety.
3. This transmission line anti-vibration device, through supporting leg and the base that sets up, on transmission line body vibrations transmitted the base to both ends, the vibrations ripples downwardly diffusing, when transmitting first spring, vibrations take place for first spring, weakens the vibrations of device, makes the device keep the safety and stability.
4. This transmission line anti-vibration device, through the grip ring that sets up, the mounting groove, the counter weight ball, the slide, the fourth spring, the threaded rod, a screw thread section of thick bamboo, the threaded rod rotates, adjust the height of counter weight ball to adjust the focus of mounting groove, just the vibrations of transmission line body are transmitted to both ends, drive the grip ring vibrations, the vibrations wave is transmitted downwards, drive slide horizontal slip in the mounting groove, the fourth spring consumes the vibrations wave, subduct the shockproof effect that the device had been strengthened to the vibrations to the transmission line body.
The part not involved in the device is the same as the prior art or can be realized by adopting the prior art, and the device has the advantages of simple and compact integral structure, good anti-seismic effect and good safety and stability.
Drawings
Fig. 1 is a schematic perspective view of a vibration isolation device for a power transmission line according to the present embodiment;
fig. 2 is a schematic diagram of a side view of a power transmission line part of a vibration-proof device for a power transmission line according to the present embodiment;
fig. 3 is a schematic cross-sectional view of a part of a fixed inner ring of a vibration-proof device for a power transmission line, which is proposed in the present embodiment;
fig. 4 is a schematic view of a partial cross-sectional structure of a vibration-proof device for a power transmission line, which is proposed in the present embodiment;
fig. 5 is a schematic structural diagram of a second embodiment of a vibration isolation device for a power transmission line.
In the figure: 1-fixed cover, 2-fixed ring, 3-first baffle, 4-fixed inner ring, 5-outer protective sleeve, 6-gasket, 7-fixed block, 8-first spring, 9-mounting plate, 10-supporting leg, 11-base, 12-second spring, 13-movable rod, 14-limiting plate, 15-limiting ring, 16-clamping plate, 17-second baffle, 18-hammer, 19-third spring, 20-clamping ring, 21-mounting groove, 22-counterweight ball, 23-sliding plate, 24-fourth spring, 25-threaded rod, 26-threaded cylinder and 27-fixed clapboard.
Detailed Description
The technical solutions in the present embodiment will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the described embodiments are only a part of the embodiments of the present embodiment, and not all of the embodiments.
In the description of the present embodiment, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present embodiment.
Example 1
Referring to fig. 1-5, a transmission line vibration-proof device comprises an outer protective sleeve 5, a fixed block 7 and a transmission line body, wherein the inner circumferential wall of the outer protective sleeve 5 is fixed with fixed inner rings 4 which are distributed equidistantly through screws, the inner circumferential wall of the fixed inner ring 4 is fixed with fixed partition plates 27 which are distributed equidistantly along the inner circumferential wall of the fixed inner ring 4 through screws, one ends of the fixed partition plates 27 far away from the fixed inner ring 4 are fixedly connected with fixed rings 2, the inner circumferential wall of the fixed rings 2 is provided with circular grooves which are distributed equidistantly, the inner bottom wall of the circular grooves is fixedly connected with second springs 12, one ends of the second springs 12 are fixedly connected with movable rods 13, one ends of the movable rods 13 are fixedly connected with clamping plates 16, the outer circumferential wall of the movable rods 13 is sleeved with limiting rings 15, the outer circumferential wall of the limiting rings 15 is fixedly connected with limiting plates 14, and the transmission line body vibrates under the action of wind, the tip and the grip block 16 contact of power transmission line body, extrude grip block 16, the one end second spring 12 atress of grip block 16 shortens, symmetrical second spring 12 extension on one side with it, cushion the vibrations of power transmission line body, prevent that power transmission line body both ends centre gripping is too tight, lead to the long-time vibrations of power transmission line body, normal operating to the power transmission line body receives certain injury, can make the power transmission line body produce metal fatigue for a long time, the disconnected strand phenomenon takes place for a long time, the broken string incident takes place even.
In this reality, the circumference outer wall of solid fixed ring 2 is fixed with through the fix with screw respectively and extends first baffle 3 and the second baffle 17 that solid fixed ring 2 circumference outer wall equidistance distributes, and the opposite side outer wall of fixed baffle 27 is fixed with two third springs 19 of symmetric distribution through the fix with screw.
In this reality new, the equal fixedly connected with tup 18 of the left and right sides outer wall of first baffle 3 and second baffle 17, during the vibrations of power transmission line body, produce and drive solid fixed ring 2 horizontal rotation's vibrations internal force, on the internal force transmits third spring 19 and tup 18, make third spring 19 and tup 18 take place elastic shock, has subducted the internal force of vibrations, protection device's safety.
In this reality new, the top outer wall of fixed block 7 has mounting panel 9 through the fix with screw, and the top outer wall of mounting panel 9 is close to four corners department and has the supporting leg 10 through the fix with screw.
In this reality new, there is base 11 on the top of supporting leg 10 through the fix with screw, and the top outer wall of mounting panel 9 is located the first spring 8 of the outside fixedly connected with of supporting leg 10, and the top fixed connection of first spring 8 is in the bottom of base 11, and on transmission line body vibrations were transmitted base 11 to both ends, the vibrations ripples downward diffusion, when transmitting first spring 8, vibrations took place for first spring 8, weakens the vibrations of device, makes the device keep the safety and stability.
In this reality, the circumference inner wall of base 11 is provided with packing ring 6, and outer protective sheath 5 is fixed in the circumference inner wall of packing ring 6, and the top of base 11 is passed through the fix with screw lid 1.
The working principle is as follows: under the effect of wind power, the power transmission line body vibrates, the tip of power transmission line body contacts with grip block 16, extrude grip block 16, the one end second spring 12 atress of grip block 16 shortens, the symmetrical one side second spring 12 extension of it, the vibrations buffering of power transmission line body, prevent power transmission line body both ends centre gripping tension excessively, when the power transmission line body vibrates, produce and drive solid fixed ring 2 horizontal rotation's vibrations internal force, the internal force transmits to third spring 19 and tup 18, make third spring 19 and tup 18 take place elastic shock, the internal force of vibrations has been subdued, power transmission line body vibrations are transmitted to base 11 to both ends, the vibrations ripples diffuses downwards, when transmitting first spring 8, first spring 8 takes place vibrations, weaken the vibrations of device, make the device keep safe and stable.
Example 2
Referring to fig. 5, a vibration-proof device for a power transmission line comprises an outer protective sleeve 5, a fixed block 7 and a power transmission line body, wherein the inner circumferential wall of the outer protective sleeve 5 is fixed with fixed inner rings 4 which are equidistantly distributed through screws, the inner circumferential wall of the fixed inner ring 4 is fixed with fixed partition plates 27 which are equidistantly distributed along the inner circumferential wall of the fixed inner ring 4 through screws, one ends of the fixed partition plates 27 far away from the fixed inner ring 4 are fixedly connected with fixed rings 2, the inner circumferential wall of the fixed rings 2 is provided with circular grooves which are equidistantly distributed, the inner bottom wall of the circular grooves is fixedly connected with second springs 12, one ends of the second springs 12 are fixedly connected with movable rods 13, one ends of the movable rods 13 are fixedly connected with clamping plates 16, the outer circumferential wall of the movable rods 13 is sleeved with limiting rings 15, the outer circumferential wall of the limiting rings 15 is fixedly connected with limiting plates 14, the power transmission line body vibrates under the action of wind, the end part of the power transmission line body is contacted with the clamping plates 16, the extrusion grip block 16, the one end second spring 12 atress of grip block 16 shortens, and the symmetrical second spring 12 extension on one side with it, with the vibrations buffering of power transmission line body, prevents that power transmission line body both ends centre gripping from tension, leads to the long-time vibrations of power transmission line body, receives certain injury to the normal operating of power transmission line body, can make the power transmission line body produce metal fatigue for a long time, takes place disconnected strand phenomenon for a long time, takes place the broken string incident even and takes place.
In this reality, the circumference outer wall of solid fixed ring 2 is fixed with through the fix with screw respectively and extends first baffle 3 and the second baffle 17 that solid fixed ring 2 circumference outer wall equidistance distributes, and the opposite side outer wall of fixed baffle 27 is fixed with two third springs 19 of symmetric distribution through the fix with screw.
In this reality new, the equal fixedly connected with tup 18 of the left and right sides outer wall of first baffle 3 and second baffle 17, during the vibrations of power transmission line body, produce and drive solid fixed ring 2 horizontal rotation's vibrations internal force, on the internal force transmits third spring 19 and tup 18, make third spring 19 and tup 18 take place elastic shock, has subducted the internal force of vibrations, protection device's safety.
In this reality new, the top outer wall of fixed block 7 has mounting panel 9 through the fix with screw, and the top outer wall of mounting panel 9 is close to four corners department and has the supporting leg 10 through the fix with screw.
In this reality new, there is base 11 on the top of supporting leg 10 through the fix with screw, and the top outer wall of mounting panel 9 is located the first spring 8 of the outside fixedly connected with of supporting leg 10, and the top fixed connection of first spring 8 is in the bottom of base 11, and on transmission line body vibrations were transmitted base 11 to both ends, the vibrations ripples downward diffusion, when transmitting first spring 8, vibrations took place for first spring 8, weakens the vibrations of device, makes the device keep the safety and stability.
In this reality, the circumference inner wall of base 11 is provided with packing ring 6, and outer protective sheath 5 is fixed in the circumference inner wall of packing ring 6, and the top of base 11 is passed through the fix with screw lid 1.
Compared with embodiment 1, the present embodiment further includes that a clamping ring 20 is sleeved on one end of the circumferential outer wall of the outer protective sleeve 5, which is close to the base 11, and a damping mechanism is fixed on the bottom outer wall of the clamping ring 20 through a screw.
In this embodiment, the damping mechanism includes a mounting groove 21, a fourth spring 24, a threaded cylinder 26, a threaded rod 25, and a weight ball 22, and the sliding plate 23 is slidably connected to the inner wall of the mounting groove 21.
In this embodiment, the sliding plate 23 is fixedly connected to the inner wall of the mounting groove 21 at the opposite side to the fourth spring 24, and the sliding plate 23 is fixedly connected to the bottom of the clamp ring 20.
In this reality, a screw cylinder 26 is fixedly connected to the left end and the right end of the mounting groove 21, the inner wall of the circumference of the screw cylinder 26 is connected with a threaded rod 25 through screw rotation, and the upper end and the lower end of the threaded rod 25 are fixedly connected with counterweight balls 22.
The working principle is as follows: rotating threaded rod 25, adjusting the height of counter weight ball 22 to adjust the focus of mounting groove 21, the vibrations of power transmission line body are to both ends transmission, drive the vibrations of grip ring 20, and the vibrations ripples is passed down, drives slide 23 horizontal slip in mounting groove 21, and fourth spring 24 consumes the vibrations ripples, subducts the vibrations to the power transmission line body and has strengthened the shockproof effect of device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the equivalent replacement or change according to the technical solution and the inventive concept of the present invention.

Claims (10)

1. A transmission line vibration-proof device comprises an outer protective sleeve (5), a fixed block (7) and a transmission line body, wherein the inner wall of the circumference of the outer protective sleeve (5) is fixed with a fixed inner ring (4) distributed at equal intervals, the inner wall of the circumference of the fixed inner ring (4) is fixed with a fixed clapboard (27) distributed at equal intervals along the inner wall of the circumference of the fixed inner ring (4), the transmission line vibration-proof device is characterized in that one end of the fixed clapboard (27) far away from the fixed inner ring (4) is fixedly connected with a fixed ring (2), the inner wall of the circumference of the fixed ring (2) is provided with a circular groove distributed at equal intervals, the inner wall of the bottom of the circular groove is fixedly connected with a second spring (12), one end of the second spring (12) is fixedly connected with a movable rod (13), one end of the movable rod (13) is fixedly connected with a clamping plate (16), and the outer wall of the circumference of the movable rod (13) is sleeved with a limit ring (15), the circumference outer wall fixedly connected with limiting plate (14) of spacing ring (15).
2. The anti-vibration device for power transmission lines according to claim 1, characterized in that the circumferential outer wall of the fixing ring (2) is respectively fixed with a first baffle (3) and a second baffle (17) which are equidistantly distributed along the circumferential outer wall of the fixing ring (2), and the opposite side outer wall of the fixing partition plate (27) is fixed with two third springs (19) which are symmetrically distributed.
3. The anti-vibration device for the power transmission line according to claim 2, wherein hammer heads (18) are fixedly connected to the outer walls of the left side and the right side of the first baffle plate (3) and the second baffle plate (17).
4. The anti-vibration device for the power transmission line as claimed in claim 1, wherein a mounting plate (9) is fixed on the outer wall of the top of the fixing block (7), and supporting legs (10) are fixed on the outer wall of the top of the mounting plate (9) near the four corners.
5. The anti-vibration device for the power transmission line is characterized in that a base (11) is fixed at the top end of the supporting leg (10), a first spring (8) is fixedly connected to the outer wall of the top of the mounting plate (9) on the outer side of the supporting leg (10), and the top end of the first spring (8) is fixedly connected to the bottom of the base (11).
6. The anti-vibration device for the power transmission line as claimed in claim 5, wherein the circumferential inner wall of the base (11) is provided with a gasket (6), the outer protective sleeve (5) is fixed on the circumferential inner wall of the gasket (6), and the top end of the base (11) is fixed with the fixed cover (1).
7. The anti-vibration device for the power transmission line as claimed in claim 1, wherein a clamping ring (20) is sleeved on one end, close to the base (11), of the circumferential outer wall of the outer protective sleeve (5), and a damping mechanism is fixed on the bottom outer wall of the clamping ring (20).
8. The anti-vibration device for the power transmission line according to claim 7, wherein the damping mechanism comprises a mounting groove (21), a fourth spring (24), a threaded cylinder (26), a threaded rod (25) and a counterweight ball (22), and the sliding plate (23) is slidably connected to the inner wall of the mounting groove (21).
9. The anti-vibration device for power transmission lines as claimed in claim 8, characterized in that the sliding plate (23) is fixedly connected with the fourth spring (24) at the opposite side of the inner wall of the mounting groove (21), and the sliding plate (23) is fixedly connected with the bottom of the clamping ring (20).
10. The anti-vibration device for the power transmission line according to claim 9, wherein the threaded cylinders (26) are fixedly connected to the left end and the right end of the mounting groove (21), the circumferential inner walls of the threaded cylinders (26) are rotatably connected with threaded rods (25) through threads, and the upper end and the lower end of each threaded rod (25) are fixedly connected with counterweight balls (22).
CN202121074999.6U 2021-05-19 2021-05-19 Transmission line vibration-proof device Active CN214707094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121074999.6U CN214707094U (en) 2021-05-19 2021-05-19 Transmission line vibration-proof device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121074999.6U CN214707094U (en) 2021-05-19 2021-05-19 Transmission line vibration-proof device

Publications (1)

Publication Number Publication Date
CN214707094U true CN214707094U (en) 2021-11-12

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Application Number Title Priority Date Filing Date
CN202121074999.6U Active CN214707094U (en) 2021-05-19 2021-05-19 Transmission line vibration-proof device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114883973A (en) * 2022-06-02 2022-08-09 中国电建集团江西省电力设计院有限公司 Counter shaft device for mounting high-voltage transmission line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114883973A (en) * 2022-06-02 2022-08-09 中国电建集团江西省电力设计院有限公司 Counter shaft device for mounting high-voltage transmission line
CN114883973B (en) * 2022-06-02 2024-04-30 中国电建集团江西省电力设计院有限公司 Shaft aligning device for high-voltage transmission line installation

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