CN111009852A - Safety operation limiting device on pole of 10KV and below - Google Patents

Safety operation limiting device on pole of 10KV and below Download PDF

Info

Publication number
CN111009852A
CN111009852A CN201911345262.0A CN201911345262A CN111009852A CN 111009852 A CN111009852 A CN 111009852A CN 201911345262 A CN201911345262 A CN 201911345262A CN 111009852 A CN111009852 A CN 111009852A
Authority
CN
China
Prior art keywords
pole
shaped
fan
spokes
isolation
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.)
Pending
Application number
CN201911345262.0A
Other languages
Chinese (zh)
Inventor
易剑峰
朱向阳
宋国威
刘卓
于启艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Yejian Engineering Technology Co Ltd
Original Assignee
Hunan Yejian Engineering Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Yejian Engineering Technology Co Ltd filed Critical Hunan Yejian Engineering Technology Co Ltd
Priority to CN201911345262.0A priority Critical patent/CN111009852A/en
Publication of CN111009852A publication Critical patent/CN111009852A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention provides a safety operation limiting device on a pole of 10KV and below, which comprises two fan-shaped isolating parts which are oppositely arranged, wherein each fan-shaped isolating part comprises an upper fixing hoop and a fan-shaped limiting insulating partition plate, the upper fixing hoop is detachably clamped on the pole and is fixedly connected with an electric pole, each fan-shaped limiting insulating partition plate is fan-shaped and comprises a connecting seat, a covering part and a plurality of isolating spokes, the connecting seat is fixedly connected with the connecting rod, one end of each isolating spoke is hinged to the connecting seat, the covering part is fan-shaped, one side surface of the covering part is connected with and attached to all the isolating spokes, all the isolating spokes are opened or closed by taking the connecting seat as the center, and when the isolating spokes are opened, the covering part is unfolded; when the spacer spokes are closed, the cover is folded. The invention isolates dangerous devices on the electric pole from operators, the devices are insulated, the safety of the operators is guaranteed, the operation is reliable, the structure is simple, the installation is simple and convenient, and the cost is low.

Description

Safety operation limiting device on pole of 10KV and below
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a safety operation limiting device on a pole of 10KV or below.
Background
The power grid system often needs installation and maintenance, the pole is as the part of support and air wire, is the important auxiliary component of electric power installation and maintenance, the workman often can climb up the pole with the help of climbing device and carry out work, however, the top of pole has live device such as electric wire, many operations or work requirement need keep certain safe distance with live device to carry out the insulation and keep apart, nevertheless the workman can't judge safe distance subjectively accurately, and climb the inconvenient distance detection device that carries of in-process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a safety operation limiting device on a pole of 10KV or below, wherein a dangerous device on the pole is isolated from an operator, when the distance between the operator and the dangerous device is smaller than a safety value, the device gives an alarm to remind, the device is insulated, the safety of the operator is further guaranteed, and the device is reliable in operation, simple in structure, simple and convenient to install and low in cost.
In order to achieve the purpose, the invention adopts the technical scheme that:
the safety operation limiting device on the pole of 10KV and below comprises two fan-shaped isolating pieces which are oppositely arranged, wherein each fan-shaped isolating piece comprises an upper fixing hoop and a fan-shaped limiting insulating partition plate, the upper fixing hoop is detachably clamped on the pole and tightly holds an electric pole, the upper fixing hoop is also fixedly connected with the fan-shaped limiting insulating partition plate, the fan-shaped limiting insulating partition plate is fan-shaped and comprises a connecting seat, a covering piece and a plurality of isolating spokes, the connecting seat is made of insulating materials, the hoop is fixed on the connecting seat fixing connecting rod, one ends of the isolating spokes are hinged to the connecting seat, the other ends of the isolating spokes are suspended and extended, the covering piece is fan-ring-shaped, one side surface of the covering piece is connected with and attached to all the isolating spokes, all the isolating spokes are opened or closed by; when the spacer spokes are closed, the cover is folded.
As a further improvement of the above technical solution:
the safety operation limiting device on the pole of 10KV and below further comprises an alarm, the alarm is detachably mounted on the isolation spoke and comprises a distance sensor, a chip and an audio output piece, the distance sensor and the audio output piece are both electrically connected with the chip, the distance sensor senses distance information of obstacles and transmits the information to the chip, the chip compares the received information with a set value, and the action of the audio output piece is controlled according to a comparison result.
When the information received by the chip is larger than a set value, the audio output part does not act; when the information received by the chip is smaller than the set value, the audio output part gives out sound alarm.
The connecting seat comprises a connecting pin and a limiting seat, a hoop is fixed on one end of the limiting seat, the other end of the limiting seat is provided with a U-shaped groove, the connecting pin penetrates through the U-shaped groove and is perpendicular to the depth direction of the U-shaped groove, the middle of the connecting pin is located in the U-shaped groove, and two ends of the connecting pin penetrate through two side walls of the U-shaped groove respectively and then are connected with a limiting nut.
One end of the isolation spoke is positioned in the U-shaped groove and sleeved outside the middle part of the connecting pin.
The fixed staple bolt includes staple bolt, spiral shell card and spring on the pole, and the staple bolt includes the armful pole of two curved, is first armful pole and second armful pole respectively, and the indent side of first armful pole and the indent side of second armful pole set up relatively, and the one end fixed connection of pole is embraced to spiral shell card and second, and the one end of spiral shell card and first armful pole is through twisting reverse the pin junction, and the spiral shell card rotates with the first relative torsion pin of pole homoenergetic of embracing, twists reverse the round pin and is equipped with a spring on the round pin, first armful pole and spiral shell card are connected respectively to the both ends of spring.
When the fixed hoop on the pole is not applied with force from outside, the diameter of the maximum inscribed circle between the first clasping pole and the second clasping pole is smaller than that of the electric pole.
When pressure is applied to the fixed hoop on the pole, the screw clamp and the first enclasping pole rotate relative to the torsion pin, and the angles of the screw clamp and the outer convex side of the first enclasping pole are reduced, the first enclasping pole and the second enclasping pole move away from each other.
Compared with the prior art, the invention has the beneficial effects that: keep apart dangerous device and the operation workman on the pole, when the distance of operation workman and dangerous device is less than the safe value, the alarm of device is reminded, the device is insulating, has further ensured operation workman's security, the device operation is reliable, simple structure, simple installation, with low costs.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of a sector spacer of one embodiment of the present invention mounted on a pole;
FIG. 3 is a schematic view of the connection of the connecting socket and the spacer according to one embodiment of the present invention;
FIG. 4 is a schematic view of a first isolated spoke configuration in accordance with one embodiment of the present invention;
FIG. 5 is a schematic view of a second isolated spoke configuration in accordance with one embodiment of the present invention;
fig. 6 is a schematic view of a fixing hoop structure on a pole according to an embodiment of the present invention.
Detailed Description
The safety operation limiting device for 10KV and the following poles provided by the invention is further described in detail and completely by combining the embodiment. The following examples are illustrative only and are not to be construed as limiting the invention.
10KV and below pole go up safe operation stop device, as shown in fig. 1-6, including siren 3 and two fan-shaped separators of mutual disposition, every fan-shaped separator includes fixed staple bolt 1 and fan-shaped spacing insulating barrier on the pole, and fixed staple bolt 1 detachable hugs closely pole 4 on the pole, and fixed staple bolt 1 still fixed connection fan-shaped spacing insulating barrier on the pole, and fan-shaped spacing insulating barrier is fan-shaped, and siren 3 installs on one of them fan-shaped spacing insulating barrier.
Fixed staple bolt 1 includes staple bolt, spiral shell card 12 and spring on the pole, and the staple bolt includes the pole of hugging closely of two curved, is first hugging closely pole 11 and second respectively and hugs closely pole 13, and the concave side of pole 11 is hugged closely to first hugging closely and the concave side of pole 13 is hugged closely to the second sets up relatively to can adapt to the shape of 4 surfaces on the pole. One end fixed connection of pole 13 is embraced to spiral shell card 12 and second, and the one end of spiral shell card 12 and first pole 11 of embracing is passed through the twist pin and is connected, and the relative twist pin of spiral shell card 12 and first pole 11 homoenergetic is embraced and is rotated, is equipped with a spring on the twist pin, first pole 11 and spiral shell card 12 of embracing are connected respectively at the both ends of spring. When the anchor ear 1 fixed on the pole is not applied with external force, the spring is in a natural state, and the diameter of the maximum inscribed circle between the first holding pole 11 and the second holding pole 13 is smaller than that of the electric pole 4; when pressure is applied to the fixed hoop 1 on the rod, the screw clamp 12 and the first holding rod 11 rotate relative to the torsion pin, and the angle of the convex side of the screw clamp 12 and the first holding rod 11 is reduced, the first holding rod 11 and the second holding rod 13 move away from each other. So, during the installation, fixed staple bolt 1 applys pressure on the pole, makes first embrace pole 11 and the second and embraces the motion that pole 13 kept away from each other, makes first opening distance of embracing pole 11 and the second and embracing pole 13 be greater than pole 4 diameter, goes up fixed staple bolt 1 card on the pole and goes into pole 4, and the back is gone into to the card, withdraws the application of force, this moment the spring is compressed, and first embrace pole 11 and the second and embrace pole 13 and embrace pole 4. Preferably, the radius of curvature of first hugging rod 11 is 115 cm.
Connecting seat 21, covering 24 and a plurality of isolation spoke of fan-shaped spacing insulating barrier including the insulating material preparation, fixed staple bolt 1 on the one end fixed link of connecting seat 21, the articulated one end of a plurality of isolation spokes of the other end, the preferred, fixed staple bolt 1's middle part on the one end fixed link of connecting seat 21, the other end overhang of isolation spoke, it can rotate relative to connecting seat 21 to keep apart the spoke promptly, every isolation spoke rotates in a plane, be called rotation plane, the rotation plane of a plurality of isolation spokes is parallel to each other. All the isolation spokes are opened or closed by taking the connecting seat 21 as a center.
The covering member 24 is made of a soft and insulating material, and the covering member 24 is soft, which means that it is soft and foldable. When the cover 24 is unfolded, it takes the shape of a fan-ring, and one side of the cover 24 is connected to and conforms to all the insulation spokes, which are bonded to one side of the cover 24 at regular intervals, i.e. the angle between two adjacent insulation spokes is the same when the cover 24 is unfolded. In this way the connecting base 21, the covering 24 and the plurality of spacer spokes are connected to form a folding sector-shaped part, i.e. a sector-shaped spacing insulating partition.
Further, the isolation spokes have two sizes, namely a first isolation spoke 22 and a second isolation spoke 23, wherein the length of the first isolation spoke 22 is 696mm, and the thickness of the first isolation spoke is 3 mm. The width of the two ends is different, and the width of one end is 15mm and is a first small end; the width of the other end is 50mm, and the other end is a first big head end. The second spacer spokes 23 are 696mm in length and 6mm thick. The width of the two ends is different, one end is 28mm and is a second small end; the width of the other end is 50mm, and the second big head end is provided. As can be seen from the above, the first and second isolated spokes 22, 23 have the same length, and the first and second large head ends have the same width. During connection, the first big head end and the second big head end are connected with the connecting seat 21, and the first small head end and the second small head end are overhung. Be equipped with two second and keep apart spoke 23 and nine first isolation spokes 22 altogether, when the fan-shaped spacing insulation barrier expandes, two second keep apart the spoke 23 and are located respectively fold fan-shaped both ends, nine first isolation spokes 22 are located between two second isolation spokes 23.
The connection holder 21 includes a connection pin 211 and a stopper holder 212. One end of the limiting seat 212 is fixed on the connecting rod to fix the hoop 1, and the other end is provided with a U-shaped groove. The connecting pin 211 passes through the U-shaped groove, and is perpendicular to the depth direction of the U-shaped groove, which is the direction in which the distance from the opening of the U-shaped groove to the bottom of the groove is. The middle part of the connecting pin 211 is positioned in the U-shaped groove, two ends of the connecting pin respectively penetrate through two side walls of the U-shaped groove and then are connected with limit nuts, and the limit nuts at the two ends are used for limiting the connecting pin 211. One end of the isolation spoke is located in the U-shaped groove and sleeved outside the middle of the connecting pin 211, in other words, the connecting pin 211 penetrates all the isolation spokes in sequence. The rotation of the isolation spokes relative to the connecting pin 211, namely the folding and unfolding of the fan-shaped limiting insulation partition plate can be realized.
The alarm 3 is removably mounted on the isolated spoke, and preferably the alarm 3 is removably mounted on the second isolated spoke 23. Alarm 3 includes distance sensor, chip and audio output spare, and distance sensor and audio output spare all are connected with the chip electricity, and distance sensor responds to the distance information of barrier and will information transmission to the chip, the chip will receive information and setting value contrast, according to the action of contrast result control audio output spare: when the information received by the chip is larger than a set value, namely the distance of the barrier sensed by the distance sensor is larger than the set value, the audio output piece does not act; when the information received by the chip is smaller than a set value, namely the distance of the obstacle sensed by the distance sensor is smaller than the set value, the audio output part gives out sound alarm. Preferably, the detection or sensing distance of the alarm 3 is 0.02-4 m, and the angle detection range of the probe of the distance sensor is 20 degrees.
The invention works as follows: will safe operation stop device is installed at the settlement position of pole 4 upper end on 10KV and following pole, makes fixed staple bolt 1 hold pole 4 tightly on the pole of two fan-shaped separators, and two fan-shaped spacing insulating barrier are 180 symmetrical arrangement, expand two fan-shaped spacing insulating barrier, make all keep apart spoke open, two covering 24 expand, and covering 24 and pole 4 are perpendicular. When an operator climbs the electric pole 4 to operate, when the distance between the top of the head of the operator and the alarm 3 is smaller than a set value, the audio output piece of the alarm 3 gives out a sound alarm to remind the operator that the distance between the top of the head of the operator and the alarm 3 is too close to a dangerous device, and when the distance between the top of the head of the operator and the alarm 3 is larger than the set value, the audio output piece of the alarm 3 does not work. In addition, the isolation spokes and the cover 24 are both insulating materials, further protecting the safety of the workers thereunder.
Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the insubstantial modifications and adaptations made by those skilled in the art according to the above descriptions of the present invention are within the scope of the present invention.

Claims (8)

  1. The pole upper safety operation limiting device is characterized by comprising two fan-shaped isolators which are oppositely arranged, each fan-shaped isolator comprises an upper fixed hoop (1) and a fan-shaped limiting insulating partition plate, the upper fixed hoop (1) on the pole detachably holds an electric pole (4), the upper fixed hoop (1) on the pole is also fixedly connected with the fan-shaped limiting insulating partition plate, the fan-shaped limiting insulating partition plate is fan-shaped and comprises a connecting seat (21) made of insulating materials, a covering part (24) and a plurality of isolation spokes, the connecting seat (21) is fixedly connected with the connecting rod by the fixed hoop (1), one ends of the isolation spokes are hinged to the connecting seat (21), the other ends of the isolation spokes are cantilevered, the covering part (24) is fan-shaped, one side surface of the covering part (24) is connected with and attached to all the isolation spokes, and all the isolation spokes are opened or closed by taking the connecting seat (21) as a center, when the insulating spokes are opened, the covering piece (24) is unfolded; when the spacer spokes are closed, the cover (24) is folded.
  2. 2. The safety work limiting device for 10KV and the following poles according to claim 1, wherein: the device further comprises an alarm (3), the alarm (3) is detachably mounted on the isolation spoke, the alarm (3) comprises a distance sensor, a chip and an audio output piece, the distance sensor and the audio output piece are electrically connected with the chip, the distance sensor senses distance information of obstacles and transmits the information to the chip, the chip receives the information and compares the information with a set value, and the action of the audio output piece is controlled according to a comparison result.
  3. 3. The safety operation limiting device for 10KV and the following poles according to claim 2, wherein: when the information received by the chip is larger than a set value, the audio output part does not act; when the information received by the chip is smaller than the set value, the audio output part gives out sound alarm.
  4. 4. The safety work limiting device for 10KV and the following poles according to claim 1, wherein: connecting seat (21) are including connecting pin (211) and spacing seat (212), fixed staple bolt (1) on the one end fixed connection pole of spacing seat (212), and the other end is equipped with the U-shaped groove, and connecting pin (211) pass the U-shaped groove is perpendicular with the degree of depth direction in U-shaped groove, and the middle part of connecting pin (211) is located the U-shaped inslot, both ends connect limit nut after passing the both sides wall in U-shaped groove respectively.
  5. 5. The 10KV and below pole safety work limiting device according to claim 4, wherein: one end of the isolation spoke is positioned in the U-shaped groove and sleeved outside the middle part of the connecting pin (211).
  6. 6. The safety work limiting device for 10KV and the following poles according to claim 1, wherein: fixed staple bolt (1) is including staple bolt, spiral shell card (12) and spring on the pole, and the staple bolt includes the pole of hugging closely of two curved, is first hug pole (11) and second hug pole (13) tightly respectively, and the concave side of pole (13) is hugged closely to the first indent side and the second of embracing of pole (11) tightly sets up relatively, and the one end fixed connection of pole (13) is hugged closely to spiral shell card (12) and second, and the one end of spiral shell card (12) and first pole (11) of embracing is passed through to twist reverse the pin and is connected, and spiral shell card (12) and first pole (11) homoenergetic twist reverse the round pin relatively and rotate, twist the round pin and be equipped with a spring on, first pole (11) and spiral shell card (12) of embracing are connected respectively to the both ends of spring.
  7. 7. The safety operation limiting device for 10KV and the following poles according to claim 6, wherein: when the fixed hoop (1) is not applied with external force, the diameter of the maximum inscribed circle between the first clasping rod (11) and the second clasping rod (13) is smaller than that of the electric pole (4).
  8. 8. The safety operation limiting device for 10KV and the following poles according to claim 7, wherein: when pressure is applied to the fixed hoop (1) on the rod, the screw clamp (12) and the first holding rod (11) rotate relative to the torsion pin, and the angle of the outer convex side of the screw clamp (12) and the first holding rod (11) is reduced, the first holding rod (11) and the second holding rod (13) move away from each other.
CN201911345262.0A 2019-12-24 2019-12-24 Safety operation limiting device on pole of 10KV and below Pending CN111009852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911345262.0A CN111009852A (en) 2019-12-24 2019-12-24 Safety operation limiting device on pole of 10KV and below

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911345262.0A CN111009852A (en) 2019-12-24 2019-12-24 Safety operation limiting device on pole of 10KV and below

Publications (1)

Publication Number Publication Date
CN111009852A true CN111009852A (en) 2020-04-14

Family

ID=70116004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911345262.0A Pending CN111009852A (en) 2019-12-24 2019-12-24 Safety operation limiting device on pole of 10KV and below

Country Status (1)

Country Link
CN (1) CN111009852A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111852150A (en) * 2020-07-15 2020-10-30 广东电网有限责任公司 Iron tower limiting device
CN111952918A (en) * 2020-07-09 2020-11-17 国家电网有限公司 Electric shock prevention method for upper layer of same-pole erected line
CN113802912A (en) * 2021-09-14 2021-12-17 广东电网有限责任公司 Height limiting device
CN113991514A (en) * 2021-10-28 2022-01-28 广东电网有限责任公司 High-altitude operation warning device for wire pole

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872633A (en) * 2012-12-14 2014-06-18 国家电网公司 Anti-bird built nest shielding device and distribution overhead line with same
CN204659404U (en) * 2015-05-13 2015-09-23 韩春明 Foldable vehicle glass solar protection devices
CN204793829U (en) * 2015-07-21 2015-11-18 国网山东胶州市供电公司 Shaft tower operation guard plate
CN106684759A (en) * 2017-01-25 2017-05-17 国网上海市电力公司 Insulated baffle plate for pole
CN206452049U (en) * 2017-01-07 2017-08-29 国家电网公司 A kind of insulating bag blanket for electric pole
CN107134732A (en) * 2017-05-26 2017-09-05 华北电力科学研究院有限责任公司 Disconnecting switch repair method
CN107394677A (en) * 2017-09-19 2017-11-24 河北金能电力科技股份有限公司 A kind of folding electric pole construction safety mask
CN207896554U (en) * 2017-09-13 2018-09-21 国网湖北省电力公司荆州市荆州区供电公司 A kind of live line work insulating isolating device
RU191896U1 (en) * 2019-03-07 2019-08-27 Яков Васильевич Ткачук SCREEN
CN209626771U (en) * 2019-03-29 2019-11-12 国网山东省电力公司梁山县供电公司 A kind of Assembled insulated isolating device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103872633A (en) * 2012-12-14 2014-06-18 国家电网公司 Anti-bird built nest shielding device and distribution overhead line with same
CN204659404U (en) * 2015-05-13 2015-09-23 韩春明 Foldable vehicle glass solar protection devices
CN204793829U (en) * 2015-07-21 2015-11-18 国网山东胶州市供电公司 Shaft tower operation guard plate
CN206452049U (en) * 2017-01-07 2017-08-29 国家电网公司 A kind of insulating bag blanket for electric pole
CN106684759A (en) * 2017-01-25 2017-05-17 国网上海市电力公司 Insulated baffle plate for pole
CN107134732A (en) * 2017-05-26 2017-09-05 华北电力科学研究院有限责任公司 Disconnecting switch repair method
CN207896554U (en) * 2017-09-13 2018-09-21 国网湖北省电力公司荆州市荆州区供电公司 A kind of live line work insulating isolating device
CN107394677A (en) * 2017-09-19 2017-11-24 河北金能电力科技股份有限公司 A kind of folding electric pole construction safety mask
RU191896U1 (en) * 2019-03-07 2019-08-27 Яков Васильевич Ткачук SCREEN
CN209626771U (en) * 2019-03-29 2019-11-12 国网山东省电力公司梁山县供电公司 A kind of Assembled insulated isolating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111952918A (en) * 2020-07-09 2020-11-17 国家电网有限公司 Electric shock prevention method for upper layer of same-pole erected line
CN111952918B (en) * 2020-07-09 2022-09-02 国网安徽省电力有限公司枞阳县供电公司 Electric shock prevention method for upper layer of same-pole erected line
CN111852150A (en) * 2020-07-15 2020-10-30 广东电网有限责任公司 Iron tower limiting device
CN113802912A (en) * 2021-09-14 2021-12-17 广东电网有限责任公司 Height limiting device
CN113991514A (en) * 2021-10-28 2022-01-28 广东电网有限责任公司 High-altitude operation warning device for wire pole

Similar Documents

Publication Publication Date Title
CN111009852A (en) Safety operation limiting device on pole of 10KV and below
CN203377391U (en) Cable clamp with insulating shell
CN102025036A (en) Multi-angle wire earthing potentiometer
CN210927021U (en) Safety operation limiting device on pole of 10KV and below
CN103730873A (en) Suspension cable clamp
CN107979024A (en) A kind of powered combination tool for eliminating transmission line of electricity drainage plate heating defect of ground potential method
CN205452584U (en) Double -barrelled formula earth connection operating rod of multi -angle
CN205622137U (en) Electrified for pole setting wire locking device struts
CN110970849B (en) Drainage wire fixing device
CN208609781U (en) A kind of active ADSS optical cable bird-scaring unit
CN113783139A (en) High altitude electric power operation safety stop device based on unmanned aerial vehicle
CN203191410U (en) Zinc oxide arrester live testing junction device
CN201877757U (en) Mounting device for installing bird expeller in electrified way
CN203826898U (en) Suspension wire clamp
CN212695683U (en) Drainage wire fixing device
CN205826699U (en) A kind of Dielectric Test of Transformer termination
CN104078816B (en) Universal conversion device of ground wire operating rod
CN109083485A (en) Bird repellent occupying device and its application method for steel tower cross-arm
CN205724008U (en) Fall arrest earth terminal
CN211716115U (en) Computer lab construction safety device that protecting effect is good
CN209147036U (en) A kind of convenient installation of lamp stand and anti-dropout anticreeper
CN101764363B (en) Structure and method for connecting power equipment appearance observation instrument and insulating bar
CN103050916A (en) Normally closed quickly installed damping clamp
CN106451230A (en) Vibration-proofing hammer electric installation tool
CN205608037U (en) Novel insulating safety tool prophylactic test device

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200414