CN112271677A - Power line cable damper and extra-high voltage transmission network - Google Patents
Power line cable damper and extra-high voltage transmission network Download PDFInfo
- Publication number
- CN112271677A CN112271677A CN202011024750.4A CN202011024750A CN112271677A CN 112271677 A CN112271677 A CN 112271677A CN 202011024750 A CN202011024750 A CN 202011024750A CN 112271677 A CN112271677 A CN 112271677A
- Authority
- CN
- China
- Prior art keywords
- ball
- hole
- power line
- threading
- outer ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
A power line cable shock absorber comprises an outer ball (1) and an inner ball (2); the outer ball is a hollow ball; the inner wall of the outer ball is provided with at least two air cavities, and the inner sides of the air cavities are provided with elastic membranes; the outer wall of the outer ball (1) is provided with an air hole, the inner end of the air hole is communicated with the air cavity, and the outer end of the air hole is communicated with the atmosphere; the left side of the outer ball (1) is provided with a threading hole (1-2), the right side of the outer ball (1) is provided with a sliding hole (1-1), and the threading hole (1-2) and the sliding hole (1-1) are coaxial; the left end of the threading hole (1-2) is communicated with the atmosphere, and the right end of the threading hole (1-2) is communicated with the sliding hole (1-1); the inner ball (2) is made of hard material; the inner ball (2) is provided with a threading channel (2-1), and the axis of the threading channel (2-1) is coincided with the axis of the inner ball (2). The extra-high voltage transmission network is characterized in that: the power line cable damper is used for damping. The invention has stable effect, long service life, low cost and energy conservation, and provides a new technical idea.
Description
Technical Field
The invention relates to the field of cable shock absorption, in particular to a power line cable shock absorber and an extra-high voltage transmission network.
Background
The cable is usually composed of several wires, is an important component in the process of power transmission, and is a guarantee for stability and reliability of power transmission. The cable is pulled by the tension towers at two sides and is easily damaged or even torn off under the action of various wind, rain, hail and other external forces in the working process, and the normal power transmission is seriously disturbed.
The patent application number developed by the 'Mianyang power supply company of electric power company in Sichuan province of China' company is as follows: the invention name of CN201910917269.9 is: transmission line cable shock absorber and mounting method thereof (hereinafter referred to as prior art A)
Prior art a provides an ingenious solution, receives the exogenic action when the cable twists reverse, can drive solid spheroid and hollow spheroid and produce relative rotation along with the twisting of cable, utilizes great rigidity frictional force between arch and the hollow spheroid inner wall to convert kinetic energy into internal energy fast and consume, realizes at bad weather, for example under the weather of hail heavy rain, the cable is pounded to the torsion by hail or rainwater, plays the effect of effective protection to the cable. Compare the risk of breaking failure that linear spring exists with other prior art, stable in structure between two spheres of mutually supporting, and realize the kinetic energy consumption through mutual frictional heating, do not have the problem of breaking failure.
The prior art A has the following technical defects though ingenious:
Technical defect 3, prior art A's spring is located between the interior spheroid, and when the relative rotation of interior spheroid, the skew takes place for the spring easily, and after the long-term wearing and tearing of interior spheroid, the spring can block in the spheroid clearance in outside, leads to inside and outside spheroidal motion to be obstructed, leads to the energy conversion effect to reduce, so prior art A has the fast condition of protection effect reduction speed.
Technical defect 4, the spring of the prior art a is located between the inner and outer spheres, the assembly difficulty of the spring is high, and the production cost is high.
Technical defect 5, the installation method of the prior art a requires that the cable forms an inductor in the coil of the cable connection ring, when the inductor is used for dc transmission, the inductor will generate magnetic field loss, and when the inductor is used for ac transmission, the inductor will generate radio wave release loss, so the prior art a has the technical defect of wasting electric energy.
Technical defect 6, the inner and outer balls in the prior art a generate heat by friction, which easily causes the expansion of the inner and outer balls, causes the change of the matching condition of the inner and outer balls, can cause the change and fluctuation of the heat energy conversion effect, and has the technical defect of unstable protection effect.
In summary, the prior art a has technical defects of unstable protection effect, incompatible protection effect and service life, high production cost, and energy waste, and has an improvement space.
Disclosure of Invention
In order to solve the technical problems, the invention provides a power line cable damper and an extra-high voltage transmission network.
1. The utility model provides a power line cable bumper shock absorber which characterized in that: comprises an outer ball (1) and an inner ball (2);
the outer ball (1) is a hollow ball, and the outer wall of the outer ball (1) is made of hard materials;
the inner wall of the outer ball (1) is provided with at least two air cavities, and the inner sides of the air cavities are provided with elastic membranes;
the outer wall of the outer ball (1) is provided with an air hole, the inner end of the air hole is communicated with the air cavity, and the outer end of the air hole is communicated with the atmosphere;
the left side of the outer ball (1) is provided with a threading hole (1-2), the right side of the outer ball (1) is provided with a sliding hole (1-1), and the threading hole (1-2) and the sliding hole (1-1) are coaxial; the axis of the threading hole (1-2) is superposed with one diameter of the outer ball (1);
the diameter of the sliding hole (1-1) is larger than that of the threading hole (1-2);
the left end of the threading hole (1-2) is communicated with the atmosphere, and the right end of the threading hole (1-2) is communicated with the sliding hole (1-1);
the inner ball (2) is made of hard material;
the inner ball (2) is provided with a threading channel (2-1), and the axis of the threading channel (2-1) is superposed with the axis of the inner ball (2);
the inner ball (2) is positioned inside the outer ball (1), and the outer surface of the inner ball (2) is contacted and attached with the elastic membrane of the air cavity.
1-2 further: the outer ball cable fixing structure (1-4) is arranged on the threading hole (1-2) of the outer ball (1), the cable can be fixedly connected with the left side of the outer ball (1) through the outer ball cable fixing structure (1-2), and the outer ball cable fixing structure (1-4) is a PG joint.
1-3 further: the right end of the inner ball (2) is provided with an inner ball cable fixing structure (2-4), the cable can be fixedly connected with the right side of the threading channel (2-1) of the inner ball (2) by the inner ball cable fixing structure (2-4), and the inner ball cable fixing structure (2-4) is a PG joint.
1-4 further: the outer wall of the outer ball (1) is made of hard plastics.
1-5 further: the inner ball (2) is made of hard plastic;
1-6 further: the elastic membrane of the air cavity is made of silica gel.
1-7 further: the elastic membrane of the air cavity is made of rubber.
1-8 further: the outer end surface of the air hole of the air cavity is covered with a dustproof filter screen to prevent dust from entering the air cavity.
1-9 further: the inner ball (2) and the elastic film are connected by gluing instead of contact fitting.
2.0, a method for installing a power line cable damper, which is characterized in that: a power line cable damper as described in claim 1; the cable (10) penetrates through the threading hole (1-2), the threading channel (2-1) and the sliding hole (1-1), the cable (10) is fixedly connected with the threading hole (1-2), and the cable (10) is fixedly connected with the sliding hole (1-1). When cable (10) rocked, interior ball (2) rocked in ectosphere (1), touched the inboard elastic deformation who has the elastic membrane of air cavity, ordered about the air cavity volume and changed for the air cavity is flowed into or is flowed out from the gas pocket to the atmosphere, and the energy conversion who rocks the cable is atmospheric kinetic energy. (details are not given in the prior art or common general knowledge)
2.1, extra-high voltage transmission network, its characterized in that: the power line cable damper described in the technical content 1 is adopted for damping. (details are not given in the prior art or common general knowledge)
Has the advantages that:
1. the idea of the prior art A is to convert kinetic energy into internal energy of an outer sphere and internal energy of an inner sphere, and the idea of the invention is to convert kinetic energy into atmospheric kinetic energy, so that the invention provides a new technical idea compared with the prior art A.
2. The invention has no friction, solves the technical problem that the protection effect is incompatible with the service life, and has the beneficial effect that the protection effect and the service life can be simultaneously improved.
3. The invention has no abrasion, and has the beneficial effect of long service life.
4. The invention exchanges gas with atmosphere, the gas in the gas cavity forms convection with the atmosphere, and the convection is the fastest heat dissipation mode, so the invention has fast heat dissipation, and the invention can not cause reduction of protection effect due to heating, thereby having the beneficial effect of stable protection effect.
5. The invention has the advantages of less friction among parts and less possibility of generating heat, and stable protection effect.
6. The sliding part spring is arranged between the inner ball and the outer ball in the prior art A, and the sliding part spring is not arranged between the inner ball and the outer ball in the invention, so the invention overcomes the possibility of failure caused by the sliding part between the inner ball and the outer ball in the prior art A, and has two beneficial effects of stable protection effect and longer service life.
7. The number of parts of the present invention is less than that of the prior art a, so the present invention has the advantage of low hardware cost.
8. The assembly difficulty of the components of the invention is lower than that of the prior art A, so the invention has the beneficial effect of low production cost.
9. The invention does not need to wind cables, so the invention can not generate inductance, and has the advantage of no waste of electric quantity.
In conclusion, the invention has the advantages of stable effect, long service life, low cost and energy conservation, and provides a new technical idea.
Drawings
Fig. 1 is a schematic view of an outer ball (1) according to embodiment 1 of the present invention, and the outer ball cable fixing structure is not shown for clarity of illustration.
Fig. 2 is a schematic view of an outer ball (1) according to embodiment 1 of the present invention, in which outer ball cable fixing structures (1-4) are shown.
Fig. 3 is a schematic view of the inner ball (2) of embodiment 1 of the present invention.
Fig. 4 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 5 is a cross-sectional view of section a-a of fig. 4.
Fig. 6 is an installation diagram of embodiment 1, which shows that the vibration of the cable (10) is the change of the state of an inner ball.
Detailed Description
the outer ball (1) is a hollow ball, and the outer wall of the outer ball (1) is made of hard materials;
the inner wall of the outer ball (1) is provided with a first air cavity (1-2-1), and the inner side of the first air cavity (1-2-1) is provided with a first elastic membrane (1-2-1 a);
the inner wall of the outer ball (1) is provided with a second air cavity (1-2-2), and the inner side of the second air cavity (1-2-2) is provided with a second elastic membrane (1-2-2 a);
the outer wall of the outer ball (1) is provided with a first air hole (1-2-1 b), the inner end of the first air hole (1-2-1 b) is communicated with the first air cavity (1-2-1), and the outer end of the first air hole (1-2-1 b) is communicated with the atmosphere;
the outer wall of the outer ball (1) is provided with a second air hole (1-2-2 b), the inner end of the second air hole (1-2-2 b) is communicated with a second air cavity (1-2-2), and the outer end of the second air hole (1-2-2 b) is communicated with the atmosphere;
the left side of the outer ball (1) is provided with a threading hole (1-2), the right side of the outer ball (1) is provided with a sliding hole (1-1), and the threading hole (1-2) and the sliding hole (1-1) are coaxial; the axis of the threading hole (1-2) is superposed with one diameter of the outer ball (1);
the diameter of the sliding hole (1-1) is larger than that of the threading hole (1-2);
the left end of the threading hole (1-2) is communicated with the atmosphere, and the right end of the threading hole (1-2) is communicated with the sliding hole (1-1);
the inner ball (2) is made of hard material;
the inner ball (2) is provided with a threading channel (2-1), and the axis of the threading channel (2-1) is superposed with the axis of the inner ball (2);
the inner ball (2) is positioned inside the outer ball (1), and the outer surface of the inner ball (2) is contacted and attached with the elastic membrane of the air cavity.
The outer ball cable fixing structure (1-4) is arranged on the threading hole (1-2) of the outer ball (1), the cable can be fixedly connected with the left side of the outer ball (1) through the outer ball cable fixing structure (1-2), and the outer ball cable fixing structure (1-4) is a PG joint.
The right end of the inner ball (2) is provided with an inner ball cable fixing structure (2-4), the cable can be fixedly connected with the right side of the threading channel (2-1) of the inner ball (2) by the inner ball cable fixing structure (2-4), and the inner ball cable fixing structure (2-4) is a PG joint.
The outer wall of the outer ball (1) is made of hard plastics.
The inner ball (2) is made of hard plastic; the elastic membrane of the air cavity is made of silica gel.
The installation method comprises the following steps of; the cable (10) penetrates through the threading hole (1-2), the threading channel (2-1) and the sliding hole (1-1), the cable (10) is fixedly connected with the threading hole (1-2), and the cable (10) is fixedly connected with the sliding hole (1-1). When cable (10) rocked, interior ball (2) rocked in ectosphere (1), touched the inboard elastic deformation who has the elastic membrane of air cavity, ordered about the air cavity volume and changed for the air cavity is flowed into or is flowed out from the gas pocket to the atmosphere, and the energy conversion who rocks the cable is atmospheric kinetic energy.
Claims (10)
1. The utility model provides a power line cable bumper shock absorber which characterized in that: comprises an outer ball (1) and an inner ball (2);
the outer ball (1) is a hollow ball, and the outer wall of the outer ball (1) is made of hard materials;
the inner wall of the outer ball (1) is provided with at least two air cavities, and the inner sides of the air cavities are provided with elastic membranes;
the outer wall of the outer ball (1) is provided with an air hole, the inner end of the air hole is communicated with the air cavity, and the outer end of the air hole is communicated with the atmosphere;
the left side of the outer ball (1) is provided with a threading hole (1-2), the right side of the outer ball (1) is provided with a sliding hole (1-1), and the threading hole (1-2) and the sliding hole (1-1) are coaxial; the axis of the threading hole (1-2) is superposed with one diameter of the outer ball (1);
the diameter of the sliding hole (1-1) is larger than that of the threading hole (1-2);
the left end of the threading hole (1-2) is communicated with the atmosphere, and the right end of the threading hole (1-2) is communicated with the sliding hole (1-1);
the inner ball (2) is made of hard material;
the inner ball (2) is provided with a threading channel (2-1), and the axis of the threading channel (2-1) is superposed with the axis of the inner ball (2);
the inner ball (2) is positioned inside the outer ball (1), and the outer surface of the inner ball (2) is contacted and attached with the elastic membrane of the air cavity.
2. A power line cable damper as claimed in claim 1 wherein: the outer ball cable fixing structure (1-4) is arranged on the threading hole (1-2) of the outer ball (1), the cable can be fixedly connected with the left side of the outer ball (1) through the outer ball cable fixing structure (1-2), and the outer ball cable fixing structure (1-4) is a PG joint.
3. A power line cable damper as claimed in claim 1 wherein: the right end of the inner ball (2) is provided with an inner ball cable fixing structure (2-4), the cable can be fixedly connected with the right side of the threading channel (2-1) of the inner ball (2) by the inner ball cable fixing structure (2-4), and the inner ball cable fixing structure (2-4) is a PG joint.
4. A power line cable damper as claimed in claim 1 wherein: the outer wall of the outer ball (1) is made of hard plastics.
5. A power line cable damper as claimed in claim 1 wherein: the inner ball (2) is made of hard plastics.
6. A power line cable damper as claimed in claim 1 wherein: the elastic membrane of the air cavity is made of silica gel.
7. A power line cable damper as claimed in claim 1 wherein: the elastic membrane of the air cavity is made of rubber.
8. A power line cable damper as claimed in claim 1 wherein: the outer end surface of the air hole of the air cavity is covered with a dustproof filter screen to prevent dust from entering the air cavity.
9. A power line cable damper as claimed in claim 1 wherein: the inner ball (2) and the elastic film are connected by gluing instead of contact fitting.
10. The extra-high voltage transmission network is characterized in that: damping with a power line cable damper according to one of the claims 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024750.4A CN112271677B (en) | 2020-09-25 | 2020-09-25 | Power line cable damper and extra-high voltage transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024750.4A CN112271677B (en) | 2020-09-25 | 2020-09-25 | Power line cable damper and extra-high voltage transmission network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112271677A true CN112271677A (en) | 2021-01-26 |
| CN112271677B CN112271677B (en) | 2021-11-30 |
Family
ID=74349621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011024750.4A Active CN112271677B (en) | 2020-09-25 | 2020-09-25 | Power line cable damper and extra-high voltage transmission network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112271677B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658369A (en) * | 1992-08-11 | 1994-03-01 | Mitsubishi Heavy Ind Ltd | Vibration control device for cable |
| JPH0666344A (en) * | 1992-08-17 | 1994-03-08 | Mitsubishi Heavy Ind Ltd | Cable vibration control device |
| CN101063474A (en) * | 2006-04-27 | 2007-10-31 | 东海橡胶工业株式会社 | Cylindrical dynamic damper |
| CN104682307A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Tubular shroud ring type electric wire damping device and mounting method thereof |
| CN105337234A (en) * | 2015-10-30 | 2016-02-17 | 国网山东省电力公司东营供电公司 | Electric vibration damper applying shear thickening fluid |
| CN110356675A (en) * | 2019-08-24 | 2019-10-22 | 合肥雪兰莪信息科技有限公司 | A kind of mountain area anti-collision push-style computer transport device |
| CN110474275A (en) * | 2019-09-26 | 2019-11-19 | 国网四川省电力公司绵阳供电公司 | A kind of power line cables damper and its installation method |
| CN210430890U (en) * | 2019-07-23 | 2020-04-28 | 重庆方进电子有限公司 | Protection device for integrated power cable |
| CN210468697U (en) * | 2019-08-19 | 2020-05-05 | 西宁方盛电力设计有限公司 | Power cable arranges with wall bushing that has shock-absorbing function |
-
2020
- 2020-09-25 CN CN202011024750.4A patent/CN112271677B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658369A (en) * | 1992-08-11 | 1994-03-01 | Mitsubishi Heavy Ind Ltd | Vibration control device for cable |
| JPH0666344A (en) * | 1992-08-17 | 1994-03-08 | Mitsubishi Heavy Ind Ltd | Cable vibration control device |
| CN101063474A (en) * | 2006-04-27 | 2007-10-31 | 东海橡胶工业株式会社 | Cylindrical dynamic damper |
| CN104682307A (en) * | 2013-12-01 | 2015-06-03 | 国网河南省电力公司安阳供电公司 | Tubular shroud ring type electric wire damping device and mounting method thereof |
| CN105337234A (en) * | 2015-10-30 | 2016-02-17 | 国网山东省电力公司东营供电公司 | Electric vibration damper applying shear thickening fluid |
| CN210430890U (en) * | 2019-07-23 | 2020-04-28 | 重庆方进电子有限公司 | Protection device for integrated power cable |
| CN210468697U (en) * | 2019-08-19 | 2020-05-05 | 西宁方盛电力设计有限公司 | Power cable arranges with wall bushing that has shock-absorbing function |
| CN110356675A (en) * | 2019-08-24 | 2019-10-22 | 合肥雪兰莪信息科技有限公司 | A kind of mountain area anti-collision push-style computer transport device |
| CN110474275A (en) * | 2019-09-26 | 2019-11-19 | 国网四川省电力公司绵阳供电公司 | A kind of power line cables damper and its installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112271677B (en) | 2021-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112271677B (en) | Power line cable damper and extra-high voltage transmission network | |
| CN201326683Y (en) | Damper for fan of ceiling type air-conditioning unit | |
| CN108880322B (en) | Rotary traveling wave ultrasonic motor adopting brand-new precompression application mode | |
| CN201611813U (en) | Anti-vibrating device used for electric spindle | |
| CN201866152U (en) | Gas damper for circuit breaker | |
| CN110983960B (en) | Support for track bridge | |
| CN209021248U (en) | A kind of floating cylinder device | |
| CN220869944U (en) | Composite energy-consumption damper | |
| CN209021249U (en) | A kind of electric chief axis system | |
| CN112044688A (en) | Stable LED manufacturing equipment | |
| CN102777526B (en) | Seal type viscoelastic damper suitable for on-orbit application of spacecraft | |
| CN219413959U (en) | Novel pipeline support and hanger sound insulation structure | |
| CN220185669U (en) | Novel mechanical disc brake | |
| CN111786891A (en) | Network communication equipment with good heat dissipation effect | |
| CN114792960B (en) | Vibration damper based on shape memory alloy | |
| CN209908767U (en) | Base for wall-mounted screw compressor | |
| CN219035454U (en) | Damping vibration attenuation device and blade | |
| CN2538929Y (en) | Float jointing mechanism for central shaft and driving part of rotary door | |
| CN220487946U (en) | Fan protection mechanism for fan installation | |
| CN201087759Y (en) | Durable lining for suspension | |
| CN219753602U (en) | Preassembled building curtain wall | |
| CN219458822U (en) | Novel motor rotating shaft for direct current motor | |
| CN201800543U (en) | Fixing structure of dynamic vibration absorber of driving shaft | |
| CN219037068U (en) | Dust removal ventilation environmental protection equipment | |
| CN220273444U (en) | Damping assembly, motor applying damping assembly and fan system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Guiping Inventor after: Chen Jun Inventor after: Jin Pengfei Inventor after: Qu Jiahui Inventor before: Chen Jun Inventor before: Jin Pengfei Inventor before: Qu Jiahui |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211111 Address after: 214028 Room 301, building 14, Oudian Jiayuan, Xinwu District, Wuxi City, Jiangsu Province Applicant after: Wu Guiping Address before: 310000 room a910, floor 9, building a, No. 369, Internet of things street, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Wangzhi Xinchuang Information Technology Research Co., Ltd |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |