CN114696282B - Power transmission line galloping suppression device with instant response characteristic - Google Patents
Power transmission line galloping suppression device with instant response characteristic Download PDFInfo
- Publication number
- CN114696282B CN114696282B CN202111668388.9A CN202111668388A CN114696282B CN 114696282 B CN114696282 B CN 114696282B CN 202111668388 A CN202111668388 A CN 202111668388A CN 114696282 B CN114696282 B CN 114696282B
- Authority
- CN
- China
- Prior art keywords
- piston
- air outlet
- transmission line
- pressure gas
- pressure
- 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.)
- Active
Links
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
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
-
- 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
Abstract
The invention discloses a power transmission line galloping suppression device with an instant response characteristic, which comprises a high-pressure gas cylinder, a foldable airbag and a telescopic framework, wherein the high-pressure gas cylinder is arranged on the foldable airbag; the foldable air bag adopts a double-layer structure, comprises an outer layer and an inner layer, and is arranged on the telescopic framework; the high-pressure gas cylinder is filled with high-pressure gas and comprises a triggering device and an air outlet seal, and the triggering device is matched with the air outlet seal to control air outlet; the air outlet seal is also communicated with an air inlet of the inner layer of the foldable air bag; the high-pressure gas cylinder, the foldable gas bag and the telescopic framework are all arranged on a framework of a spacer connected with the power transmission line. Reducing the amplitude of the galloping, inhibiting the galloping effect and protecting the normal operation of the power transmission line.
Description
Technical Field
The invention relates to the technical field of transmission line galloping control, in particular to a transmission line galloping suppression device with an instant response characteristic.
Background
In recent years, the transmission line is in a very wide distribution range, and the damage of the line is serious, and accidents such as line tripping, tower falling and line breakage can be caused when the transmission line is serious, so that the transmission line is difficult to repair and recover, and the long-time power supply interruption is caused, and the damage is serious.
CN101335433B discloses a spacer jig and a spacer-damper replacing method using the same, so that the spacer-damper can be easily replaced when maintenance and repair are performed on four-conductor or six-conductor overhead transmission lines in which 4 or 6 cables are paired. The spacer clip for replacing a damping spacer of the present invention includes: a frame which is disposed between the plurality of cables in a radial direction, and in which two pieces of the frame are coupled to each other at a predetermined interval; a plurality of fixed square nuts and at least one movable square nut interposed between the two frames; the clamping shafts are respectively connected with the fixed square nut and the movable square nut; the one-touch chuck is arranged at one end of the clamping shaft; and a rotation unit mounted between the clamping shaft and the collet to independently and rotatably support the clamping shaft with respect to the collet. The anti-galloping effect of the power transmission line is poor.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the transmission line galloping suppression device with the instant response characteristic, which reduces the galloping amplitude, suppresses the galloping effect and protects the normal operation of the transmission line.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a transmission line galloping suppression device with instant response characteristics comprises a high-pressure gas cylinder, a foldable airbag and a telescopic framework; the foldable air bag adopts a double-layer structure, comprises an outer layer and an inner layer, and is arranged on the telescopic framework; the high-pressure gas cylinder is filled with high-pressure gas and comprises a triggering device and an air outlet seal, and the triggering device is matched with the air outlet seal to control air outlet; the air outlet seal is also communicated with an air inlet of the inner layer of the foldable air bag; the high-pressure gas cylinder, the foldable gas bag and the telescopic framework are all arranged on a framework of a spacer connected with the power transmission line.
Optionally, the high-pressure gas cylinder is made of lightweight aluminum material, has a size of 5cm in diameter and 25cm in height, is filled with a mixture of carbon dioxide and nitrogen, and is pressurized to 18-22 megapascals.
Optionally, the foldable air bag is 2cm thick, 100cm long and 40cm wide; the outer layer is made of light nylon cloth, and the inner layer is made of airtight materials capable of isolating air.
Optionally, the telescopic framework is made of rigid carbon fiber materials.
Optionally, the triggering device is arranged on the side surface of the spacer; the triggering device comprises a wind speed and direction acquisition device, a first piston, a second piston, a first transmission rod, a second transmission rod and a gear, wherein the first piston, the second piston, the first transmission rod, the second transmission rod and the gear are positioned in the wind speed and direction acquisition device; the first piston is positioned at the air inlet, the inner side of the piston is connected with one end of the first transmission rod, and the side part of the other end of the first transmission rod is provided with teeth and is matched with the gear with the fixed axle center; the air outlet seal is connected with the outer side of the second piston, the inner side of the second piston is connected with one end of the second transmission rod, and the side part of the other end of the second transmission rod is provided with teeth and is matched with the other side of the gear.
Optionally, the triggering device is arranged on the side surface of the spacer; the triggering device comprises a piston cylinder, a third piston, a push rod and a high-pressure aluminum bottle; the third piston is positioned in the piston cylinder, the inner side of the third piston is connected with one end of the push rod, and the other end of the push rod is connected with the air outlet seal; the high-pressure aluminum bottle is arranged at the top of one side of the piston cylinder, which is close to the high-pressure aluminum bottle, and is communicated with the interior of the piston cylinder; the bottom sealing part of the high-pressure aluminum bottle is provided with high-pressure-resistant glass, and the high-pressure aluminum bottle is internally sealed with high-pressure liquid and at least one steel ball.
The current anti-galloping technical measures mainly focus on how to reduce the occurrence probability of galloping and the galloping amplitude in advance. In the actual operation and maintenance process, the method and the strategy lack effective emergency treatment methods and strategies except for strengthening observation in the face of line galloping. With increasingly complex meteorological environments and increased dense channels of lines, research on disaster emergency treatment methods after line galloping is needed, safe and rapid response of emergency states is achieved, and power grid hazards caused by long-time galloping are avoided. The device for suppressing the vibration of the power transmission line can be arranged on the line spacer and can automatically respond to the vibration, but no effective corresponding technology exists at present, so that the device for suppressing the vibration with the instant response characteristic is required to be designed and developed, and the influence of the vibration disaster on a tower line system of the power transmission line is reduced.
The invention has the positive beneficial effects that: through set up transmission line galloping suppression device on the frame of conductor spacer to trigger high-pressure gas bottle and aerify folding gasbag through trigger device, make the gasbag that is full of gas change the wind direction, reduce galloping amplitude, restrain galloping effect and protect transmission line normal operating.
Drawings
Fig. 1 is a schematic view of the trigger device and the high-pressure gas cylinder according to embodiment 1 of the present invention;
fig. 2 is a schematic top view of the inside of a triggering device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a power transmission line and a spacer according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a telescopic framework according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the structure of a foldable airbag according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of another triggering device according to embodiment 2 of the present invention.
1. A high pressure gas cylinder; 2. a foldable airbag; 3. a telescoping armature; 4. a triggering device; 5. a spacer; 6. wind speed and direction acquisition device; 61. a first piston; 62. a second piston; 63. a first transmission rod; 64. a second transmission rod; 65. a gear; 71. a piston cylinder; 72. a third piston; 73. a push rod; 74. a high pressure aluminum bottle; 75. a steel ball; 76. high pressure resistant glass; 8. a power transmission line.
Detailed Description
The invention will be further described with reference to the following embodiments.
Example 1
As shown in fig. 1 to 5, a transmission line galloping suppression device with instant response characteristics comprises a high-pressure gas cylinder, a foldable airbag and a telescopic framework; the foldable air bag adopts a double-layer structure, comprises an outer layer and an inner layer, and is arranged on the telescopic framework; the high-pressure gas cylinder is filled with high-pressure gas and comprises a triggering device and an air outlet seal, and the triggering device is matched with the air outlet seal to control air outlet; the air outlet seal is also communicated with an air inlet of the inner layer of the foldable air bag; the high-pressure gas cylinder, the foldable gas bag and the telescopic framework are all arranged on a framework of a spacer connected with the power transmission line.
When the wind direction angle and the wind speed reach a certain degree, the triggering device can be triggered, so that the air outlet seal connected with the air outlet device is opened, the air outlet seal is opened, high-pressure gas in the high-pressure gas cylinder is sprayed out and expands the inner layer of the air bag, the inflatable volume of the air bag is enlarged and expanded, the expansion framework can be driven to be expanded, the air bag is enlarged and expanded to be vertical or at other angles, the windward side can be changed, and therefore the effect of inhibiting the galloping is well achieved.
Further, the high-pressure gas cylinder is made of lightweight aluminum material, and has a size of 5cm in diameter and 25cm in height and a volume of about 500cm 3 The inside is filled with a mixture of carbon dioxide and nitrogen and pressurized to 18-22 mpa, i.e. about 200 standard atmospheres, to meet the actual needs. The thickness of the foldable air bag is 2cm, the length of the foldable air bag is 100cm, and the width of the foldable air bag is 40cm; volume is about 8000cm 3 The outer layer is made of light nylon cloth, and the inner layer is made of airtight materials capable of isolating air. The telescopic framework is made of rigid carbon fiber materials, after the triggering device is triggered, the gas cylinder is used for pushing the end part of the foldable air bag to expand, the framework is driven to support the air bag structure, six split spacers are exemplified, the transmission line galloping suppression device can be applicable to spacers with various splits and shapes, and only the shapes of the foldable air bag and the telescopic framework need to be correspondingly changed. Improving the effect of inhibiting the galloping.
Specifically, referring to fig. 2, the triggering device is disposed at a side of the spacer; the triggering device comprises a wind speed and direction acquisition device, a first piston, a second piston, a first transmission rod, a second transmission rod and a gear, wherein the first piston, the second piston, the first transmission rod, the second transmission rod and the gear are positioned in the wind speed and direction acquisition device; the first piston is positioned at the air inlet, the inner side of the piston is connected with one end of the first transmission rod, and the side part of the other end of the first transmission rod is provided with teeth and is matched with the gear with the fixed axle center; the air outlet seal is connected with the outer side of the second piston, the inner side of the second piston is connected with one end of the second transmission rod, and the side part of the other end of the second transmission rod is provided with teeth and is matched with the other side of the gear. When the wind speed reaches a certain degree at a certain wind direction angle, the first piston is pushed to move inwards, so that the first transmission rod pushes the pushing gear to rotate, the rotation of the gear drives the second transmission rod and the second piston to move outwards, the high-pressure gas cylinder is pulled outwards to seal the mouth, the gas cylinder sprays high-pressure gas to prop up the air bag, the windward side is changed, and the line galloping is restrained.
Example 2
As shown in fig. 6, there are many triggering methods of the triggering device, without limitation, and another triggering method is as follows, and the triggering device is disposed on the side surface of the spacer; the triggering device comprises a piston cylinder, a third piston, a push rod and a high-pressure aluminum bottle; the third piston is positioned in the piston cylinder, the inner side of the third piston is connected with one end of the push rod, and the other end of the push rod is connected with the air outlet seal; the high-pressure aluminum bottle is arranged at the top of one side of the piston cylinder, which is close to the high-pressure aluminum bottle, and is communicated with the interior of the piston cylinder; the bottom sealing part of the high-pressure aluminum bottle is provided with high-pressure-resistant glass, and the high-pressure aluminum bottle is internally sealed with high-pressure liquid and at least one steel ball which can freely move in the liquid. When the transmission line is in galloping, the lead wire is subjected to low-frequency large vibration of 1-5Hz, so that the steel ball in the high-voltage aluminum bottle is driven to vibrate up and down, the steel ball with enough potential energy can break the bottom glass after contacting the bottom glass, high-pressure liquid flows out to the piston cylinder and pushes the third piston to move outwards, the push rod is pushed to move outwards, the air outlet seal is opened, the high-pressure air bottle is deflated, the air bag is opened, the windward side is changed, and the effect of inhibiting galloping is achieved.
Further, an alarm device can be arranged to be connected with the triggering device, the alarm device comprises a wireless module, an energy module and an analysis module, the energy module is used for providing electric energy, the analysis module judges whether the triggering device is triggered or not, and if the triggering device is triggered, the wireless module can send a wireless alarm signal to a display terminal of operation and maintenance personnel, so that the operation and maintenance personnel can detach and replace a new transmission line galloping suppression device in time.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a transmission line galloping suppression device with instant response characteristic which characterized in that includes high-pressure gas cylinder, collapsible gasbag and scalable skeleton; the foldable air bag adopts a double-layer structure, comprises an outer layer and an inner layer, and is arranged on the telescopic framework; the high-pressure gas cylinder is filled with high-pressure gas and comprises a triggering device and an air outlet seal, and the triggering device is matched with the air outlet seal to control air outlet; the air outlet seal is also communicated with an air inlet of the inner layer of the foldable air bag; the high-pressure gas cylinder, the foldable gas bag and the telescopic framework are arranged on a framework of a spacer connected with a power transmission line;
when the wind direction angle and the wind speed reach a certain degree, the triggering device can be triggered, so that the air outlet seal connected with the air outlet device is opened, the air outlet seal is opened, high-pressure gas in the high-pressure gas cylinder is sprayed out and expands the inner layer of the air bag, the inflatable volume of the air bag is enlarged and expanded, and meanwhile, the telescopic framework is also driven to be expanded, and the air bag is enlarged and expanded to be vertical or at other angles.
2. A transmission line galloping suppression device with immediate response characteristics as defined in claim 1, wherein the high pressure gas cylinder is made of lightweight aluminum material, has a size of 5cm in diameter and 25cm in height, is filled with a mixture of carbon dioxide and nitrogen, and is pressurized to 18-22 mpa.
3. The transmission line galloping suppression device with immediate response characteristics of claim 1, wherein the foldable bladder is 2cm thick, 100cm long and 40cm wide; the outer layer is made of light nylon cloth, and the inner layer is made of airtight materials capable of isolating air.
4. A transmission line galloping suppression device with immediate response characteristics as recited in claim 1, wherein the telescoping boom is constructed of a rigid carbon fiber material.
5. A transmission line galloping suppression device with immediate response characteristics as defined in any one of claims 1 to 4 wherein the triggering means is disposed on the side of the spacer; the triggering device comprises a wind speed and direction acquisition device, a first piston, a second piston, a first transmission rod, a second transmission rod and a gear, wherein the first piston, the second piston, the first transmission rod, the second transmission rod and the gear are positioned in the wind speed and direction acquisition device; the first piston is positioned at the air inlet, the inner side of the piston is connected with one end of the first transmission rod, and the side part of the other end of the first transmission rod is provided with teeth and is matched with the gear with the fixed axle center; the air outlet seal is connected with the outer side of the second piston, the inner side of the second piston is connected with one end of the second transmission rod, and the side part of the other end of the second transmission rod is provided with teeth and is matched with the other side of the gear.
6. A transmission line galloping suppression device with immediate response characteristics as defined in any one of claims 1 to 4 wherein the triggering means is disposed on the side of the spacer; the triggering device comprises a piston cylinder, a third piston, a push rod and a high-pressure aluminum bottle; the third piston is positioned in the piston cylinder, the inner side of the third piston is connected with one end of the push rod, and the other end of the push rod is connected with the air outlet seal; the high-pressure aluminum bottle is arranged at the top of one side of the piston cylinder, which is close to the high-pressure aluminum bottle, and is communicated with the interior of the piston cylinder; the bottom sealing part of the high-pressure aluminum bottle is provided with high-pressure-resistant glass, and the high-pressure aluminum bottle is internally sealed with high-pressure liquid and at least one steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668388.9A CN114696282B (en) | 2021-12-31 | 2021-12-31 | Power transmission line galloping suppression device with instant response characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111668388.9A CN114696282B (en) | 2021-12-31 | 2021-12-31 | Power transmission line galloping suppression device with instant response characteristic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114696282A CN114696282A (en) | 2022-07-01 |
| CN114696282B true CN114696282B (en) | 2023-10-03 |
Family
ID=82136727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111668388.9A Active CN114696282B (en) | 2021-12-31 | 2021-12-31 | Power transmission line galloping suppression device with instant response characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114696282B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202145556U (en) * | 2011-02-09 | 2012-02-15 | 云南电网公司 | Apparatus for preventing power transmission lines from swinging |
| CN203883421U (en) * | 2014-06-19 | 2014-10-15 | 乐清市金固金具有限公司 | Spacer rod |
| CN206272197U (en) * | 2016-11-15 | 2017-06-20 | 温州电力设计有限公司 | A kind of anti-dancing device of wire |
| CN110265913A (en) * | 2019-03-19 | 2019-09-20 | 陈永春 | A kind of transmission line polling robot falling proof device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080173462A1 (en) * | 2007-01-10 | 2008-07-24 | Preformed Line Products Company | Spacer and spacer damper |
| US20140124233A1 (en) * | 2012-11-08 | 2014-05-08 | Albert S. Richardson, Jr. | Antigalloping Device |
-
2021
- 2021-12-31 CN CN202111668388.9A patent/CN114696282B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202145556U (en) * | 2011-02-09 | 2012-02-15 | 云南电网公司 | Apparatus for preventing power transmission lines from swinging |
| CN203883421U (en) * | 2014-06-19 | 2014-10-15 | 乐清市金固金具有限公司 | Spacer rod |
| CN206272197U (en) * | 2016-11-15 | 2017-06-20 | 温州电力设计有限公司 | A kind of anti-dancing device of wire |
| CN110265913A (en) * | 2019-03-19 | 2019-09-20 | 陈永春 | A kind of transmission line polling robot falling proof device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114696282A (en) | 2022-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106760583B (en) | A kind of high-building construction multifunctional safety protection device | |
| CN207122749U (en) | A kind of portable SF6Gas inflator | |
| CN114696282B (en) | Power transmission line galloping suppression device with instant response characteristic | |
| CN213905876U (en) | Low-voltage switch cabinet based on fire extinguishing function | |
| CN106153108A (en) | A kind of multifunctional high pressure power station detection device | |
| CN206725662U (en) | A kind of saltern lightning monitoring device | |
| CN210270047U (en) | Test device for environment-friendly gas insulation performance research | |
| CN213024727U (en) | Intelligent alarm device based on wireless network communication technology | |
| CN205909868U (en) | Multi -functional high -pressure power station detection device | |
| CN105507647B (en) | A kind of anti-external force damage preventor of high-voltage transmission line pole tower | |
| CN208443878U (en) | A kind of self-balancing crawler type fast transient overvoltage generating device | |
| CN219348495U (en) | Building material detects bears device | |
| CN214740035U (en) | Building engineering platform of unloading that security is strong | |
| CN215596279U (en) | Novel compression-resistant epoxy glass cloth tube | |
| CN111553575A (en) | Power grid engineering safety assessment system based on big data | |
| CN216929340U (en) | Flood prevention type electric device | |
| CN203522939U (en) | Inflatable temporary monitoring platform | |
| CN213892888U (en) | High tension transmission line unmanned aerial vehicle patrols and examines and uses protection device | |
| CN205220740U (en) | GIS detector transfer car(buggy) | |
| CN209466268U (en) | A kind of pneumatic machinery lifting arm | |
| CN220792796U (en) | Oxygen filling device | |
| CN210202231U (en) | Explosion-proof anticorrosive moisture absorption formula operation post | |
| CN212180739U (en) | Air pollution alarm device | |
| CN214669397U (en) | Non-contact ultraviolet discharge detection device | |
| CN109387758B (en) | Main loop ignition switching-on device in synthetic test loop |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |