CN112186689B - A transmission line anti-channel vibration damping device - Google Patents
A transmission line anti-channel vibration damping device Download PDFInfo
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- CN112186689B CN112186689B CN202011024753.8A CN202011024753A CN112186689B CN 112186689 B CN112186689 B CN 112186689B CN 202011024753 A CN202011024753 A CN 202011024753A CN 112186689 B CN112186689 B CN 112186689B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000013016 damping Methods 0.000 title claims abstract description 13
- 230000005389 magnetism Effects 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 7
- 239000006096 absorbing agent Substances 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- Vibration Dampers (AREA)
Abstract
本发明涉及电缆减震技术领域，且公开了一种输电线路防窜动减震装置，包括外壳体和球芯；外壳体内设有球形空腔，球芯套接在球心空腔内；球形空腔右侧设有槽口，球形空腔四角贯穿设有通气孔，通气孔与外界相通；球芯内设有电线通道，球形空腔左侧设有电线通孔；球形空腔内壁上设有第一滑动槽，球芯外表面设有第二滑动槽；球形空腔内壁上设有第一导向杆，球芯外表面设有第二导向杆，第一导向杆和第二导向杆上分别设有第一球体和第二球体；第一导向杆和第二导向杆分别连接有相对端磁性相同的第一磁铁和第二磁铁；解决了现有技术中用于电缆的减震器所起的保护作用不够显著，不能够长时间起到保护作用，以及减震器很容易失效的问题。
The invention relates to the technical field of cable damping, and discloses an anti-vibration damping device for a transmission line, comprising an outer casing and a spherical core; the outer casing is provided with a spherical cavity, and the spherical core is sleeved in the spherical core cavity; The right side of the cavity is provided with a notch, the four corners of the spherical cavity are provided with ventilation holes, and the ventilation holes communicate with the outside world; a wire channel is arranged in the ball core, and a wire through hole is arranged on the left side of the spherical cavity; There is a first sliding groove, and the outer surface of the ball core is provided with a second sliding groove; the inner wall of the spherical cavity is provided with a first guide rod, the outer surface of the ball core is provided with a second guide rod, and the first guide rod and the second guide rod are provided with A first sphere and a second sphere are respectively provided; the first guide rod and the second guide rod are respectively connected with the first magnet and the second magnet with the same magnetism at opposite ends; The protective effect is not significant enough to protect for a long time, and the shock absorber is easy to fail.
Description
Technical Field
The invention relates to the technical field of cable shock absorption, in particular to a transmission line anti-moving shock absorption device.
Background
The power transmission line is erected in the field and is often affected by wind force to generate shaking and vibration, and under certain conditions, even if the weather is not strong wind, the vibration is stronger and stronger due to the generation of resonance, the amplitude is larger and larger, and finally the power transmission line is broken, equipment is damaged, and normal power transmission is affected.
The invention with publication number CN110474275A in the prior art discloses a transmission line cable shock absorber and an installation method thereof, wherein the shock absorber comprises a hollow sphere and a solid sphere positioned in the hollow sphere, the surface of the hollow sphere is provided with a notch, the outer surfaces of the hollow sphere and the solid sphere are respectively provided with a cable connecting ring, and the cable connecting ring of the solid sphere is opposite to the notch; the surface of the hollow sphere is provided with a through hole which is opposite to the cable connecting ring on the hollow sphere, and a cable channel is arranged in the solid sphere; the surface of the solid sphere is provided with a plurality of bulges, the surface of one side of each bulge, which is far away from the center direction of the solid sphere, is a curved surface matched with the inner wall of the hollow sphere, and the curved surface is attached to the inner wall of the hollow sphere; the hollow ball body and the bulge are both made of rigid materials. The invention is used for solving the problems that the shock absorber in the prior art can only reduce the tension of the cable and cannot play an effective protection effect on the condition that the cable is seriously twisted in severe weather, and the purpose of improving the protection strength of the overhead cable when the overhead cable is twisted under the action of external force is realized. However, with this damper, the spring is prone to failure over time, which can lead to failure of the damper.
Disclosure of Invention
The invention provides a transmission line anti-moving damping device which has the advantages of good performance, simple structure, stability, reliability and difficult failure, and solves the problems that the prior art has an unobvious protective effect on a shock absorber for cables, cannot play a protective effect for a long time and is easy to fail.
The invention provides the following technical scheme: a transmission line anti-channeling shock-absorbing device comprises an outer shell and a ball core; a spherical cavity is arranged in the outer shell, the spherical core is sleeved in the spherical cavity, and a notch is formed in the right side of the spherical cavity in a penetrating manner; vent holes are arranged at four corners of the spherical cavity in a penetrating manner, and the vent holes are communicated with the outside; a wire channel extending left and right is arranged in the spherical core in a penetrating manner, a wire through hole is arranged on the inner wall of the left side of the spherical cavity in a penetrating manner, and the notch, the wire channel and the wire through hole are positioned on the same straight line; the inner wall of the spherical cavity is provided with two first sliding grooves which are centrosymmetric, the outer surface of the spherical core is provided with two second sliding grooves which are centrosymmetric, and the second sliding grooves and the first sliding grooves are arranged in a staggered manner; two first guide rods with symmetrical centers are fixedly connected to the inner wall of the spherical cavity, the free ends of the first guide rods are respectively and fixedly connected with first spheres, and the first spheres are respectively and spherically connected with the second sliding grooves; the outer surface of the ball core is fixedly connected with two second guide rods with central symmetry, the free ends of the second guide rods are respectively and fixedly connected with second balls, and the second balls are respectively and spherically connected with the first sliding grooves; the middle parts of the first guide rods are fixedly connected with first magnets respectively, the middle parts of the second guide rods are fixedly connected with second magnets respectively, and opposite ends of the first magnets and the second magnets are the same in magnetism.
Preferably, a first wire connecting ring is fixedly connected to the left end face of the outer shell, and the first wire connecting ring corresponds to the wire through hole; and a second wiring ring is fixedly connected to the end face of the right side of the spherical core, corresponds to the wire channel and is positioned in the notch.
Preferably, the annular array on the circumferential wall of the spherical cavity is provided with four protrusions extending inwards, the protrusions are respectively positioned on two sides of the first sliding groove, the free ends of the protrusions are provided with radians, and the radians are connected with the outer surface of the spherical core in a sliding fit manner.
Preferably, the ball core is a solid sphere structure, and the ball core is made of a non-magnetic material.
Preferably, the protrusion and the outer housing are integrally formed, and the outer housing is made of a non-magnetic material.
Preferably, the first guide rod and the second guide rod are fixed by welding, and the first ball and the second ball are fixed by welding.
Preferably, the thickness of the protrusion is greater than the width of the second sliding groove.
The invention has the following beneficial effects:
the utility model provides a new thinking of utilizing one kind to protect the cable through utilizing magnetic force effect and gas flow is provided to this transmission line prevent drunkenness damping device.
When the cable is twisted under the action of external force, the anti-shifting damping device of the power transmission line can drive the ball core and the outer shell to rotate relatively along with the twisting of the cable, and the buffering is carried out through the interaction of the first magnet and the second magnet, so that the overlarge rotation amplitude is prevented, and further the serious abrasion is prevented; then the kinetic energy of the gas is consumed through the conversion of the vent holes, and the effect of effectively protecting the cable can be achieved in severe weather such as strong wind.
This transmission line prevents drunkenness damping device still can consume through protruding sliding friction on ball core surface with kinetic energy conversion, and simultaneously, the accessible air vent dispels the heat, looses the produced heat of will rubbing through the air vent, further realizes the consumption of energy to this further plays the effect of protection cable.
Fourth, this transmission line prevents drunkenness damping device has overcome the risk that breaks and become invalid that traditional linear spring exists, realizes the kinetic energy consumption through mutual magnetic force interaction and gas flow, can prevent the cable drunkenness under the adverse weather environment such as strong wind, does not have the problem that breaks and become invalid again.
The anti-moving damping device for the power transmission line is connected in a spherical mode, can rotate left and right to prevent cables from swinging left and right by means of friction, can rotate up and down to prevent cables from moving up and down, and can play a good damping role.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
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.
Referring to fig. 1, a damping device for preventing a power transmission line from moving includes an outer casing 1 and a ball core 2.
The cable connector comprises an outer shell 1, a spherical cavity 4, a spherical core 2, a notch 5 and a connecting piece, wherein the spherical cavity 4 is arranged in the outer shell 1, the spherical core 2 is sleeved in the spherical cavity 4, and the notch 5 is arranged on the right side of the spherical cavity 4 in a penetrating mode and is used for facilitating relative rotation of the outer shell 1 and the spherical core 2 when a cable passes through; vent holes 7 are arranged at four corners of the spherical cavity 4 in a penetrating manner, the vent holes 7 are communicated with the outside, when the spherical core 2 rotates in the spherical cavity 4, the gas can be circulated to consume the capacity, the heat generated by the friction of the spherical core 2 can be dissipated, and the energy consumption effect is further achieved, so that the kinetic energy generated by shaking can be more consumed, and the cable can be better protected; a wire channel 21 extending left and right is penetrated in the ball core 2, a wire through hole 13 is penetrated through the inner wall of the left side of the spherical cavity 4, and the notch 5, the wire channel 21 and the wire through hole 13 are positioned on the same straight line, so that a cable can conveniently and sequentially pass through; the inner wall of the spherical cavity 4 is provided with two first sliding grooves 15 which are centrosymmetric, the outer surface of the spherical core 2 is provided with two second sliding grooves 25 which are centrosymmetric, and the second sliding grooves 25 and the first sliding grooves 15 are arranged in a staggered manner; two first guide rods 14 which are centrosymmetric are fixedly connected to the inner wall of the spherical cavity 4, the free ends of the first guide rods 14 are respectively and fixedly connected with first spheres 24, and the first spheres 24 are respectively and spherically connected with second sliding grooves 25, so that the outer shell 1 can conveniently play a role in guiding when rotating left and right or up and down relative to the spherical core 2; the outer surface of the ball core 2 is fixedly connected with two second guide rods 23 which are centrosymmetric, the free ends of the second guide rods 23 are respectively fixedly connected with a second ball 16, and the second balls 16 are respectively in spherical connection with the first sliding grooves 15, so that the ball core 2 can play a role in guiding when rotating left and right or up and down relatively to the outer shell 1; first guide bar 14 middle part difference fixedly connected with first magnet 3, second guide bar 23 middle part difference fixedly connected with second magnet 6, first magnet 3 is the same with 6 looks remote site magnetism of second magnet, when taking place relative rotation for core 2 and shell body 1, the principle that like poles repel each other carries out certain buffering to the rotation through between first magnet 3 and the second magnet 6, and then be convenient for will rock produced kinetic energy utilization air vent in the gas flow with the more conversion consumptions of the friction of core 2.
A first wire connecting ring 12 is fixedly connected to the left end face of the outer shell 1, and the first wire connecting ring 12 corresponds to the wire through hole 13; the second wire ring 22 is fixedly connected to the right end face of the core 2, the second wire ring 22 corresponds to the wire passage 21, and the second wire ring 22 is located in the notch 5, and the device is fixed to the cable by winding the cable around the first wire ring 12 and the second wire ring 22.
Four protrusions 11 extending inwards are arranged on the circumferential wall of the spherical cavity 4 in an annular array, the protrusions 11 are respectively positioned on two sides of the first sliding groove 15, the free ends of the protrusions 11 are provided with radians 17, and the radians 17 are connected with the outer surface of the spherical core 2 in a sliding fit manner, so that the supporting and guiding effects can be realized in the relative rotation process of the spherical core 2 and the outer shell 1, and meanwhile, part of kinetic energy can be converted into internal energy to be offset; the protrusion 11 is integrally formed with the outer casing 1, and the outer casing 1 is made of a non-magnetic material, so that the processing of a mold is facilitated, and the magnetization by a magnet can be avoided.
The ball core 2 is a solid sphere structure, and the ball core 2 is made of non-magnetic material, which can not only increase the weight of the device, but also avoid the influence of the magnetization of the magnet on the use effect.
The first guide bar 14 and the second guide bar 23 are fixed by welding, and the first ball 24 and the second ball 16 are fixed by welding.
The thickness of the bulge 11 is larger than the width of the second sliding groove 25, so that the bulge 11 is prevented from sinking into the second sliding groove 25 in the rotating process, and the clamping phenomenon is avoided.
The working principle is as follows: when the cable is used, a cable is wound on the first wiring ring 12, then the wire through hole 13 and the wire channel 21 are sequentially wound on the second wiring ring 22 and led away, so that the cable can shake with strong wind in a severe weather environment, further the outer shell 1 and the ball core 2 can relatively rotate along with the cable, and further when the cable rotates up and down, the first magnet 3 and the second magnet 6 are mutually repelled, the rotation of the ball core 2 can be hindered to a certain extent, a certain buffering effect is achieved, and serious abrasion caused by overlarge rotation amplitude is prevented; meanwhile, the vent hole 7 pushes gas to be discharged or sucked in the rotating process to offset partial kinetic energy generated by cable shaking; when carrying out the horizontal rotation, protruding 11 can take place relative slip with the surface of core 2, and then offsets this pivoted kinetic energy through sliding friction, and simultaneously, the heat that produces the friction through air vent 7 distributes away along with the gas flow, has avoided core 2 high temperature, improves its life, and then prevents swing and drunkenness about the cable, and then plays transmission line's cushioning effect to can play effectual guard action to the cable.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a transmission line prevents scurrying damping device which characterized in that: comprises an outer shell (1) and a ball core (2); a spherical cavity (4) is arranged in the outer shell (1), the spherical core (2) is sleeved in the spherical cavity (4), and a notch (5) is arranged on the right side of the spherical cavity (4) in a penetrating manner; vent holes (7) penetrate through four corners of the spherical cavity (4), and the vent holes (7) are communicated with the outside; a wire channel (21) extending left and right penetrates through the ball core (2), a wire through hole (13) penetrates through the inner wall of the left side of the spherical cavity (4), and the notch (5), the wire channel (21) and the wire through hole (13) are positioned on the same straight line; the inner wall of the spherical cavity (4) is provided with two first sliding grooves (15) which are centrosymmetric, the outer surface of the spherical core (2) is provided with two second sliding grooves (25) which are centrosymmetric, and the second sliding grooves (25) and the first sliding grooves (15) are arranged in a staggered manner; two first guide rods (14) with central symmetry are fixedly connected to the inner wall of the spherical cavity (4), the free ends of the first guide rods (14) are respectively and fixedly connected with first spheres (24), and the first spheres (24) are respectively in spherical connection with the second sliding grooves (25); the outer surface of the ball core (2) is fixedly connected with two second guide rods (23) which are centrosymmetric, the free ends of the second guide rods (23) are respectively and fixedly connected with second balls (16), and the second balls (16) are respectively in spherical connection with the first sliding grooves (15); the middle parts of the first guide rods (14) are fixedly connected with first magnets (3) respectively, the middle parts of the second guide rods (23) are fixedly connected with second magnets (6) respectively, and opposite ends of the first magnets (3) and the second magnets (6) are same in magnetism.
2. The anti-channeling shock-absorbing device of power transmission line according to claim 1, characterized in that: a first wire connecting ring (12) is fixedly connected to the left end face of the outer shell (1), and the first wire connecting ring (12) corresponds to the wire through hole (13); the right end face of the ball core (2) is fixedly connected with a second wire connecting ring (22), the second wire connecting ring (22) corresponds to the wire channel (21), and the second wire connecting ring (22) is located in the notch (5).
3. The anti-channeling shock-absorbing device of power transmission line according to claim 1, characterized in that: the spherical cavity (4) is provided with four protrusions (11) extending inwards in an annular array on the peripheral wall, the protrusions (11) are respectively located on two sides of the first sliding groove (15), the free ends of the protrusions (11) are provided with radians (17), and the radians (17) are connected with the outer surface of the ball core (2) in a sliding fit mode.
4. The anti-channeling shock-absorbing device of power transmission line according to claim 1, characterized in that: the ball core (2) is of a solid ball body structure, and the ball core (2) is made of nonmagnetic materials.
5. The anti-channeling shock-absorbing device of power transmission line according to claim 3, characterized in that: the bulges (11) and the outer shell (1) are integrally formed, and the outer shell (1) is made of a non-magnetic material.
6. The anti-channeling shock-absorbing device of power transmission line according to claim 1, characterized in that: the first guide rod (14) and the second guide rod (23) are fixed by welding, and the first ball body (24) and the second ball body (16) are fixed by welding.
7. The anti-channeling shock-absorbing device of power transmission line according to claim 3, characterized in that: the thickness of the protrusion (11) is greater than the width of the second sliding groove (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011024753.8A CN112186689B (en) | 2020-09-25 | 2020-09-25 | A transmission line anti-channel vibration damping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024753.8A CN112186689B (en) | 2020-09-25 | 2020-09-25 | A transmission line anti-channel vibration damping device |
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| CN112186689A CN112186689A (en) | 2021-01-05 |
| CN112186689B true CN112186689B (en) | 2022-02-11 |
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| CN210297205U (en) * | 2019-09-13 | 2020-04-10 | 国家电网有限公司 | An anti-vibration device for a transmission line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681603B (en) * | 2017-10-27 | 2023-09-08 | 国网江苏省电力有限公司苏州供电分公司 | High-altitude cable shock absorber with insulation function |
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2020
- 2020-09-25 CN CN202011024753.8A patent/CN112186689B/en active Active
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|---|---|---|---|---|
| CN201639246U (en) * | 2010-04-19 | 2010-11-17 | 河北省电力研究院 | An anti-galling energy-absorbing device for transmission wires |
| CN101944713A (en) * | 2010-07-22 | 2011-01-12 | 重庆大学 | Split conductor anti-galloping device |
| CN104682308A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Universal vibration absorption ball |
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| CN112186689A (en) | 2021-01-05 |
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Effective date of registration: 20220121 Address after: 233 Yizhou Road, Dongying District, Dongying City, Shandong Province 257000 Applicant after: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Address before: 310000 Zhejiang Hangzhou Xihu District Xixi Xintiandi commercial center (AD) 7 Building 201 rooms Applicant before: Hangzhou Futuristic Technology Co.,Ltd. |
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Denomination of invention: An anti channeling and damping device for transmission line Effective date of registration: 20220627 Granted publication date: 20220211 Pledgee: Dongying Branch of Qilu Bank Co.,Ltd. Pledgor: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Registration number: Y2022980009128 |
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Date of cancellation: 20230110 Granted publication date: 20220211 Pledgee: Dongying Branch of Qilu Bank Co.,Ltd. Pledgor: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Registration number: Y2022980009128 |
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Denomination of invention: An anti tampering and vibration damping device for transmission lines Effective date of registration: 20230620 Granted publication date: 20220211 Pledgee: China Construction Bank Corporation Dongying nonggao District sub branch Pledgor: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Registration number: Y2023980044603 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220211 Pledgee: China Construction Bank Corporation Dongying nonggao District sub branch Pledgor: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Registration number: Y2023980044603 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A transmission line anti surge and shock-absorbing device Granted publication date: 20220211 Pledgee: China Construction Bank Corporation Dongying nonggao District sub branch Pledgor: SHANDONG DESHENG ELECTRIC POWER Co.,Ltd. Registration number: Y2024980056616 |
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