CN114940431A - Live working lifting platform for power transmission line - Google Patents
Live working lifting platform for power transmission line Download PDFInfo
- Publication number
- CN114940431A CN114940431A CN202210573518.9A CN202210573518A CN114940431A CN 114940431 A CN114940431 A CN 114940431A CN 202210573518 A CN202210573518 A CN 202210573518A CN 114940431 A CN114940431 A CN 114940431A
- Authority
- CN
- China
- Prior art keywords
- transmission line
- power transmission
- rack
- frame
- lifting platform
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 147
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000010891 electric arc Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a live working lifting platform of a power transmission line, which comprises a hanger, a winding device and a rack, wherein the hanger is arranged above the rack, the winding device is arranged below the rack, and the winding device, the hanger and the rack are connected through ropes; two sides of the top of the rack are respectively provided with a wiring device capable of sliding back and forth, and one side of the rack close to the power transmission line is provided with one or more wiring devices; the wire passing device is used for the rack shuttle transmission line; the lifting of the rack is realized through the matching of the winding device and the hanging tool, so that the rack can transport various power equipment, the universality of the invention is improved, the transportation difficulty is reduced, the rack realizes multi-line crossing through the wire passing mechanism, the operation of a multi-phase line can be realized through one-time hanging, the efficiency of power operation is improved, and in addition, the rack realizes the transverse movement on a power transmission line through the wire routing device.
Description
Technical Field
The invention relates to the technical field of automatic robots, in particular to a live working lifting platform for a power transmission line.
Background
The transmission line is exposed in the external environment for a long time, and is subjected to sun and rain at all times, so that the transmission line is easily damaged, operation and maintenance personnel need to inspect the transmission line at intervals, various electric equipment such as electricity inspection equipment, grounding equipment, flaw detection equipment and the like need to be adopted in the inspection process, the existing electric equipment for inspection is generally transported to the transmission line by adopting a manual transportation mode, the transmission line is generally vertically distributed and arranged by four transmission lines, and if the transmission line is transported one by one in a manual mode, the difficulty is very high, and a large safety risk also exists; in addition, although some existing power equipment also have a self-hanging function, the existing power equipment needs to be hung on each phase line for multiple times, and the efficiency is low.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a lifting platform for live working of a power transmission line, which can transfer various electric power equipment to the power transmission line, can complete crossing among a plurality of lines, and has strong universality and high working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a live working lifting platform for a power transmission line comprises a hanger, a winding device and a rack, wherein the hanger is arranged above the rack, the winding device is arranged below the rack, and the winding device, the hanger and the rack are connected through a rope; two sides of the top of the rack are respectively provided with a wiring device capable of sliding back and forth, and one side of the rack close to the power transmission line is provided with one or more wiring devices; the wire passing device is used for the frame shuttle transmission line.
In the live working lifting platform of the power transmission line, the wire passing device comprises a limiting mechanism and a swinging mechanism, one side of the swinging mechanism is fixedly connected with the rack, and the other side of the limiting mechanism is connected with the swinging mechanism in a matching way; the swing mechanism can swing up and down towards one side of the limiting mechanism.
In the electric transmission line live working lifting platform, a plurality of reset swing arms are arranged on the swing mechanism and connected with the frame through connecting plates, clamping plates are respectively arranged on two sides of the limiting mechanism, and a plurality of grooves connected with the reset swing arms in a matched mode are formed in the clamping plates.
The electric transmission line live working lifting platform comprises a hinged seat, a swing arm frame and a trigger arm, wherein the hinged seat is fixedly connected with a connecting plate, the swing arm frame is hinged to the hinged seat, a torsional spring is arranged at the hinged position of the swing frame and the hinged seat, the trigger arm is arranged at the top of the swing arm frame and hinged to the swing arm frame, and a horizontal stop lever matched and connected with a groove is arranged at the front end of the swing arm frame.
In the live working lifting platform for the power transmission line, a push rod capable of sliding back and forth is arranged in the swing arm frame, one end of the trigger arm is connected with the push rod in a matching way, and the horizontal stop lever is arranged at the front end of the push rod; the front end of the push rod is provided with a guide wheel, and a clamping block which is connected with the guide wheel in a matched mode is arranged between the two clamping plates.
In the electric transmission line live working lifting platform, a plurality of wire mechanisms are arranged between the two clamping plates from bottom to top, and the rope penetrates through the plurality of wire mechanisms and the plurality of clamping blocks from bottom to top.
In the live working lifting platform for the power transmission line, the wiring device comprises a track plate, a wiring arm and a transmission mechanism, the wiring arm is in sliding connection with the track plate, the transmission mechanism is arranged at one end of the track plate, and the transmission mechanism is in transmission connection with the wiring arm.
In the live working lifting platform for the power transmission line, the routing arm comprises a sliding frame and a traveling wheel, the traveling wheel is arranged at the top of the sliding frame, and one side of the sliding frame is connected with the track plate in a matched manner; drive mechanism includes the lead screw motor, the lead screw motor sets up on the track board, just the lead screw motor with the carriage transmission is connected.
In the live working lifting platform for the power transmission line, one side of the rack, which is close to the power transmission line, is provided with an equipotential device capable of swinging up and down, and the equipotential device is used for eliminating arc discharge and controlling external power equipment and a switch of the wiring device.
In the electric transmission line live working lifting platform, the equipotential device comprises a first equipotential part and a second equipotential part, the first equipotential part and the second equipotential part can swing up and down, and the first equipotential part and the second equipotential part are arranged in a vertically staggered manner.
Has the advantages that:
the invention provides a live working lifting platform of a power transmission line, which can realize the lifting of a rack through the matching of a winding device and a hanger, so that the rack can transport various power equipment, the universality of the live working lifting platform is improved, the transportation difficulty is reduced, the rack can realize multi-line crossing through a wire passing mechanism, the operation of multi-phase lines can be realized only through one-time hanging, the efficiency of power operation is improved, and in addition, the rack can realize the transverse movement on the power transmission line through a wire routing device.
Drawings
Fig. 1 is a schematic view of a service state of a live working lifting platform for a power transmission line provided by the invention;
fig. 2 is a schematic view of the overall structure of the live working lifting platform for the power transmission line provided by the invention;
FIG. 3 is a schematic diagram of the overall structure of the hot-line work lifting platform for the power transmission line provided by the invention
Fig. 4 is a schematic structural diagram of the wire passing device in the live working lifting platform for the power transmission line provided by the invention;
fig. 5 is a schematic view of an internal structure of the wire passing device in the live working lifting platform for the power transmission line provided by the invention;
fig. 6 is a first schematic view of a disassembly structure of the reset swing arm in the live working lifting platform for the power transmission line provided by the invention;
fig. 7 is a second schematic view of a disassembly structure of the reset swing arm in the live working lifting platform for the power transmission line provided by the invention;
fig. 8 is a first schematic structural view of the routing device in the live working lifting platform for the power transmission line provided by the invention;
fig. 9 is a second schematic structural diagram of the routing device in the live working lifting platform for the power transmission line provided by the invention;
fig. 10 is a third schematic structural diagram of the routing device in the live working lifting platform for the power transmission line provided by the invention;
fig. 11 is a first schematic structural diagram of the equipotential device in the hot-line work lifting platform for the power transmission line provided by the present invention;
fig. 12 is a second schematic structural diagram of the equipotential device in the hot-line work lifting platform for the power transmission line provided by the present invention.
Description of the main element symbols: 1-hanger, 2-winch, 3-frame, 4-wiring device, 5-wire passing device, 6-equipotential device, 7-lead frame, 41-track plate, 42-wiring arm, 43-transmission mechanism, 44-travel switch, 51-limit mechanism, 52-swing mechanism, 61-first equipotential portion, 62-second equipotential portion, 421-sliding frame, 422-traveling wheel, 423-third equipotential portion, 424-motor, 431-lead screw motor, 432-reset spring, 511-clamping plate, 512-groove, 513-clamping block, 514-wire mechanism, 515-inclined wall, 521-reset swing arm, 522-connecting plate, 521 a-hinged seat, 521 b-swing arm frame, 521 c-trigger arm, 521 d-a horizontal shift lever, 521 e-a push rod, 521 f-a push-pull frame, 521 g-a latch, 521 h-a guide wheel, 521 i-a slideway, 611-a first potential rod, 612-a first mounting seat, 613-a connecting rod, 614-a first shifting arm, 615-a switch unit, 616-a second shifting arm, 617-a first extension spring, 618-a second extension spring, 621-a second potential rod, 622-a second mounting seat and 623-a third extension spring.
Detailed Description
The invention provides a live working lifting platform for a power transmission line, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the terms "middle", "inside", "outside", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of describing the present invention and for simplification of description. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1 to 12, the invention provides a lifting platform for live working of a power transmission line, which comprises a hanger 1, a winding device 2 and a rack 3, wherein the hanger 1 is arranged above the rack 3, the winding device 2 is arranged below the rack 3, and the winding device 2, the hanger 1 and the rack 3 are connected through a rope; two sides of the top of the rack 3 are respectively provided with a wiring device 4 capable of sliding back and forth, and one side of the rack 3 close to the power transmission line is provided with one or more wiring devices 5; the wire passing device 5 is used for the shuttle transmission line of the rack 3.
For a power transmission line with the voltage of more than 110Kv, a ground wire is usually arranged on the uppermost side, and the rest three-phase wires are arranged below the ground wire; in practical application, the hanger 1 and the rope are hung on the uppermost ground wire in an unmanned aerial vehicle or manual mode, one end of the rope is connected with the rack 3, the other end of the rope is wound in the winding device 2, the power equipment to be transported is installed on the rack 3, then the winding device 2 winds one end of the rope, the rope pulls the rack 3 to climb to the transmission line, after the rack 3 is close to the lowermost transmission line, the routing device 4 slides towards the transmission line to be hung on the transmission line, the power equipment installed on the rack 3 performs routing inspection operation along the transmission line through the routing device 4, after the operation is finished, the winding device 2 winds again to enable the rack 3 to be close to the middle transmission line, and in the climbing process, in order to avoid the contact between the rack 3 and the detected power transmission line, when the rack 3 climbs upwards, the power transmission line passes through one side of the rack 3 through the wire passing device 5, so that the multi-line crossing of the rack 3 is realized, after the rack 3 approaches to the middle power transmission line, the power equipment is driven by the wire passing device 4 to perform routing inspection operation on the power transmission line, similarly, when the rack 3 approaches to a third power transmission line, the rack 3 is assisted by the wire passing mechanism to pass through the middle power transmission line, the routing inspection operation is performed on the power transmission line by carrying the power equipment through the wire passing device 4, and after the three-phase power transmission line routing inspection operation is completed, the rope is unreeled by the winding device 2, so that the rack 3 descends towards the ground, and the recovery of the power equipment is completed; the lifting of the rack 3 is realized through the matching of the winding device 2 and the hanger 1, so that the rack 3 can transport various power equipment, the universality of the invention is improved, the transportation difficulty is reduced, the multi-line crossing of the rack 3 is realized through the wire passing mechanism, the operation of a multi-phase line can be realized through one-time hanging, the efficiency of power operation is improved, and in addition, the transverse movement of the rack 3 on a power transmission line is realized through the wire routing device 4.
In one embodiment, the rope is an insulated rope, and the hoisting device 2 is electrically isolated from the transmission line by the insulated rope.
It should be noted that the hoisting device 2 is an existing hoisting device, and is not described herein.
It should be noted that the hanger 1 adopts an existing hanger structure, which is not described herein again.
As shown in fig. 1 to 12, further, the wire passing device 5 includes a limiting mechanism 51 and a swinging mechanism 52, one side of the swinging mechanism 52 is fixedly connected with the frame 3, and the other side of the limiting mechanism 51 is connected with the swinging mechanism 52 in a matching manner; the swing mechanism 52 can swing up and down towards one side of the limiting mechanism 51; when the power transmission line is used, the power transmission line passes through the position limiting mechanism 51 and the swinging mechanism 52, when the power transmission line is pressed on the swinging mechanism 52, the swinging mechanism 52 is pressed to swing downwards, so that the power transmission line can pass through the swinging mechanism 52, namely, the power transmission line passes through the rack 3, the collision between the power transmission line and the rack 3 is avoided, after the power transmission line completely passes through the position limiting mechanism 51 and the swinging mechanism 52, the swinging mechanism 52 is reset to swing upwards until being buckled with the position limiting mechanism 51, and the wire passing action of the next power transmission line is prepared.
As shown in fig. 1 to 12, further, a plurality of reset swing arms 521 are arranged on the swing mechanism 52, the plurality of reset swing arms 521 are connected to the frame 3 through a connecting plate 522, two sides of the limiting mechanism 51 are respectively provided with a clamping plate 511, and the clamping plate 511 is provided with a plurality of grooves 512 which are in fit connection with the reset swing arms 521; the reset swing arm 521 can swing up and down in a reciprocating manner; the reset swing arms 521 are sequentially distributed on the connecting plate 522 from top to bottom; when the transmission line passes through the wire, the transmission line sequentially passes through the reset swing arms 521 from top to bottom, and each reset swing arm 521 passing through the reset swing arm 521 and above the reset swing arm 521 automatically resets and is clamped with the groove 512, so that the limiting mechanism 51 and the swing mechanism 52 are kept relatively fixed.
In one embodiment, the two clamping plates 511 are connected by a plurality of connecting columns.
For ease of understanding, this is illustrated by the following example: assuming that three reset swing arms 521 are arranged on the connecting plate 522 from top to bottom, when the power transmission line is pressed against the first reset swing arm 521, the first reset swing arm 521 swings downwards to allow the power transmission line to pass through, it should be noted that, at this time, the first reset swing arm 521 is separated from the corresponding groove 512, but the two reset swing arms 521 below are still engaged with the corresponding groove 512, so that the limiting mechanism 51 and the swing mechanism 52 are kept relatively fixed, after the power transmission line completely passes through the first reset swing arm 521, the first reset swing arm automatically returns to be engaged with the groove 512, and then, the power transmission line is further pressed against the second reset swing arm 521, the threading process is the same as that of the previous reset swing arm 521 and is not repeated herein, but it should be noted that, when the second reset swing arm 521 is separated from the groove 512, the upper and lower reset swing arms 521 are engaged with the corresponding grooves 512, so that the limiting mechanism 51 and the swing mechanism 52 are kept relatively fixed, finally, the power transmission line is pressed against the third reset swing arm 521, the threading process is the same as that of the previous reset swing arm 521 and is not repeated herein, but it should be noted that when the third reset swing arm 521 is separated from the groove 512, the two reset swing arms 521 above are engaged with the corresponding grooves 512, so that the limiting mechanism 51 and the swing mechanism 52 are kept relatively fixed.
As shown in fig. 1 to 12, an inclined wall 515 inclined toward the reset swing arm 521 is disposed at the top of the clamping plate 511, and a lead frame 7 corresponding to the inclined wall 515 is disposed at the top of the rack 3; the power transmission line is guided to the upper part of the reset swing arm 521 through the inclined wall and the lead frame 7, so that the problem that the power transmission line collides with the rack 3 is avoided.
As shown in fig. 1 to 12, further, the reset swing arm 521 includes a hinge base 521a, a swing arm frame 521b and a trigger arm 521c, the hinge base 521a is fixedly connected to the connecting plate 522, the swing arm frame 521b is hinged to the hinge base 521a, a torsion spring (not shown in the drawings) is disposed at a hinge position of the swing frame and the hinge base 521a, the trigger arm 521c is disposed at the top of the swing arm frame 521b and is hinged to the swing arm frame 521b, and a horizontal stop lever 521d cooperatively connected with the groove 512 is disposed at the front end of the swing arm frame 521 b; when the power transmission line resetting device is used, the trigger arm 521c is in contact with a power transmission line, when the trigger arm 521c is pressed downwards, the swing arm support 521b is driven to rotate downwards around the hinge base 521a, the horizontal stop lever 521d is separated from the groove 512, after the power transmission line passes through the swing arm support 521b, the torsion spring resets the swing arm support 521b until the horizontal stop lever 521d is clamped into the groove 512 again, and the opening and closing actions of the resetting swing arm 521 are achieved through the arrangement.
As shown in fig. 1 to 12, further, a push rod 521e capable of sliding back and forth is disposed in the swing arm support 521b, one end of the trigger arm 521c is connected to the push rod 521e in a matching manner, and the horizontal stop lever 521d is disposed at the front end of the push rod 521 e; a guide wheel 521h is arranged at the front end of the push rod 521e, and a fixture block 513 matched and connected with the guide wheel 521h is arranged between the two clamping plates 511; the trigger arm 521c is connected with the push rod 521e through a push-pull frame 521f, the trigger arm 521c is hinged with the push-pull frame 521f, the push rod 521e is fixedly connected with the push-pull frame 521f, and a slide rail 521i which is matched with the push-pull frame 521f to slide is arranged in the swing arm frame 521 b; when the reset swing arm 521 is reset, when the front end of the push rod 521e contacts the fixture block 513, the guide wheel 521h guides the sliding motion, so that the front end of the push rod 521e can be smoothly clamped with the fixture block 513, and the horizontal blocking rod 521d can be smoothly clamped into the groove 512.
The front end of the push rod 521e is provided with an inclined tongue 521g, the guide wheel 521h is rotatably connected with the inclined tongue 521g, the horizontal stop lever 521d is horizontally arranged on the inclined tongue 521g, and the inclined tongue 521g can be clamped with the fixture block 513; the problem that the reset swing arm 521 shakes and disengages is avoided through the inclined tongue 521 g.
As shown in fig. 1 to 12, further, a plurality of wire guiding mechanisms 514 are arranged between the two clamping plates 511 from bottom to top, and the rope passes through between the plurality of wire guiding mechanisms 514 and the plurality of clamping blocks 513 from bottom to top; when the device is used, one end of the rope runs through the wire passing mechanism, so that the wire passing mechanism can be close to the rope, the wire passing mechanism is ensured to be always positioned below a power transmission line, the collision between the power transmission line and the rack 3 is avoided, and in addition, the rope is guided through the wire guiding mechanism 514, and the problem that the rope is disorderly wound is avoided.
In one embodiment, the wire guide mechanism 514 may be a wire guide wheel; so that no friction occurs between the rope and the frame.
As shown in fig. 1 to 12, further, the routing device 4 includes a track plate 41, a routing arm 42 and a transmission mechanism 43, the routing arm 42 is slidably connected with the track plate 41, the transmission mechanism 43 is disposed at one end of the track plate 41, and the transmission mechanism 43 is in transmission connection with the routing arm 42; the routing arm 42 is driven by the transmission mechanism 43 to slide back and forth along the track plate 41, so as to adjust the relative position of the routing arm 42 and the power transmission line.
As shown in fig. 1 to 12, further, the routing arm 42 includes a sliding frame 421 and a traveling wheel 422, the traveling wheel 422 is disposed on the top of the sliding frame 421, and one side of the sliding frame 421 is connected to the track plate 41 in a matching manner; the transmission mechanism 43 comprises a lead screw motor 431, the lead screw motor 431 is arranged on the track plate 41, and the lead screw motor 431 is in transmission connection with the sliding frame 421; a motor 424 is arranged on one side of the sliding frame 421, and the motor 424 is in transmission connection with the travelling wheels 422; in use, the lead screw motor 431 drives the sliding frame 421 to slide along the track plate 41, so as to adjust the relative position of the travelling wheel 422 and the transmission line.
In addition, a reset mechanism 45 is further disposed on the routing arm 42, and the reset mechanism 45 is in transmission connection with the transmission mechanism 43; the reset mechanism 45 comprises a trigger cross bar 451 which is arranged on the top of the travelling wheel 422 and can slide up and down, a trigger lever 452 which is arranged on one side of the sliding frame 421, a clamping block 453 which is arranged on the end part of the trigger lever 452, a bolt 454 and two reset tension springs 455 which are arranged between the routing arm 42 and the track plate 41, wherein the trigger lever 452 is connected with one side of the trigger cross bar 451, and the clamping block 453 clamps one end of the bolt 454; a sliding plate 45 is arranged on one side of the sliding frame 421, and a guide seat 46 connected with the bolt 454 in a sliding manner is arranged on the sliding plate 45; a screw of the screw motor 431 is provided with a sliding seat 433, and the sliding seat 433 is provided with a clamping seat 434 matched and connected with the bolt 454; a clamping groove which is opened towards one side and is connected with the clamping seat 434 in a matched manner is formed in the sliding plate 45; in the process of lifting the rack 3, if the power transmission line is pressed down towards the routing arm 42, the power transmission line is pressed against the reset mechanism 45, the reset mechanism 45 separates the routing arm 42 from the transmission mechanism 43, and the routing arm 42 slides towards one side to avoid the power transmission line, so that the routing arm 42 is prevented from blocking the power transmission line from passing through the rack 3; more specifically, when the device is used, the trigger cross bar 451 is pressed by a power transmission line to slide downwards and drives the trigger rod 452 to slide downwards, the clamping block 453 also drives the pin 454 to move downwards along the guide seat 46, so that the pin 454 is separated from the clamping seat 434, when the pin 454 is completely separated from the clamping seat 434, the sliding plate 45 is completely separated from the sliding seat 433, and at this time, the reset tension spring 455 in a stretching state quickly pulls the sliding seat 421, so that the whole routing arm 42 is quickly away from the power transmission line, thereby completing the action of avoiding the power transmission line.
A plurality of travel switches 44 are arranged on the track plate 41 along the length direction thereof, and the sliding distance of the sliding frame 421 is determined by the travel switches 44, so as to adjust the relative position of the traveling wheel 422 and the power transmission line.
As shown in fig. 1 to 12, further, an equipotential device 6 capable of swinging up and down is disposed on a side of the rack 3 close to the power transmission line, where the equipotential device 6 is used to control external electrical equipment and switches of the routing devices 4; because potential differences exist between the power transmission line and the rack 3, between the wiring device 4 and the external power equipment, if the wiring device 4 and the external power equipment are close to the power transmission line after being started, arc discharge is easy to occur, so that circuit faults are caused, the rack 3, the wiring device 4 and the external power equipment are communicated with the power transmission line by touching the power transmission line in advance through the equipotential device 6, the potentials of the rack 3, the wiring device 4 and the external power equipment are equal to the potential of the power transmission line, the potential differences are eliminated, the wiring device 4 and the external power equipment are controlled to be started under the condition that the potentials are the same, the power faults of the wiring device 4 and the external power equipment are avoided, and the use stability is improved.
As shown in fig. 1 to 12, the equipotential device 6 further includes a first equipotential portion 61 and a second equipotential portion 62, the first equipotential portion 61 and the second equipotential portion 62 are vertically movable, and the first equipotential portion 61 and the second equipotential portion 62 are vertically displaced; when the rack 3 crosses the transmission line, the first equipotential portion 61 needs to be reset (i.e., detached from the transmission line), and at this time, the second equipotential portion 62 is needed as a relay, and when the first equipotential portion is detached from the upper transmission line, in order to maintain the state of being equipotential with the transmission line, that is, the external power device and the routing device remain equipotential with the transmission line after being turned off, the external power device is still maintained at the same potential as the transmission line under the condition of being turned off by the relay of the second equipotential portion, so that the power device fault caused by the arc is avoided.
Further, the carriage 421 is provided with a third equipotential portion 423 on a side facing the power line, and when the rack 3 is laterally moved along the power line, the power line is separated from the first equipotential portion 61 and the second equipotential portion 62, and at this time, the third equipotential portion 423 needs to be in continuous contact with the power line to maintain an equipotential effect.
In one embodiment, the first equipotential portion 61 includes a first potential rod 611, a connecting rod 613, a first toggle arm 614, a switch unit 615, and a second toggle arm 616, the first potential rod 611 is disposed on the top of the frame 3 through a first mounting bracket, the first potential rod 611 is hinged to the first mounting bracket, the switch unit 615 is disposed on the frame 3 and located below the first potential rod 611, the first potential rod 611 is connected with the switch unit 615 through the connecting rod 613, the first potential rod 611 is hinged to the connecting rod 613, the connecting rod 613 is connected with the switch unit 615 through the first toggle arm 614, the first toggle arm 614 is hinged to the connecting rod 613 and the switch unit 615, a first tension spring 617 is disposed between the first potential rod 611 and the frame 3, and the second toggle arm 616 is also hinged to the switch unit 615, one end of the second toggle arm 616 is connected with the frame 3 through a second extension spring 618; the switch unit 615 is electrically connected to the routing device 4 and the external power equipment.
It should be noted that the switch unit 615 may be an existing electric switch structure, such as but not limited to a boat-shaped switch, a push button switch, etc., and will not be described herein again.
When the first potential bar 611 touches the power transmission line, the rack 3, the routing device 4 and the external power equipment are immediately conducted with the power transmission line to finish equipotential, the potential difference is eliminated, when the power transmission line continues to press down the first potential bar 611, the first potential bar 611 swings downwards, so that the connecting rod 613 is pulled to drive the first toggle arm 614 to toggle upwards, the switch of the switch unit 615 is toggled, the switch unit 615 is closed to connect the power supply, and the first potential bar 611 is reset through the first extension spring 617, so that the whole equipotential operation is finished; when the second toggle arm 616 is pressed down by the power line when the rack 3 is further raised, the second toggle arm 616 is flipped down and touches the switch of the switch unit 615, so that the switch unit 615 is turned off and the power is cut off, and the second toggle arm 616 is similarly reset by the second extension spring 618.
In one embodiment, the second equal potential part 62 comprises a second potential bar 621, the second potential bar 621 is disposed at the middle of the frame 3 through a second mounting frame, the second potential bar 621 is hinged to the second mounting frame, and a third extension spring 623 is further disposed between the second potential bar 621 and the frame 3; the second potential bar 621 reciprocates up and down by the third tension spring 623.
In summary, the hoisting device 2 and the hanger 1 are matched to realize the lifting of the rack 3, so that the rack 3 can transport various power devices, the universality of the invention is improved, the transportation difficulty is reduced, the rack 3 realizes multi-line crossing through the wire passing mechanism, the operation of multi-phase lines can be realized through one-time hanging, the efficiency of power operation is improved, and in addition, the rack 3 realizes the transverse movement on a power transmission line through the wiring device 4.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. The live working lifting platform for the power transmission line is characterized by comprising a hanger, a winding device and a rack, wherein the hanger is arranged above the rack, the winding device is arranged below the rack, and the winding device, the hanger and the rack are connected through ropes; two sides of the top of the rack are respectively provided with a wiring device capable of sliding back and forth, and one side of the rack close to the power transmission line is provided with one or more wiring devices; the wire passing device is used for the frame shuttle transmission line.
2. The live working lifting platform of the power transmission line according to claim 1, wherein the line passing device comprises a limiting mechanism and a swinging mechanism, one side of the swinging mechanism is fixedly connected with the frame, and the other side of the limiting mechanism is connected with the swinging mechanism in a matching manner; the swing mechanism can swing up and down towards one side of the limiting mechanism.
3. The live working lifting platform of the power transmission line according to claim 2, wherein a plurality of reset swing arms are arranged on the swing mechanism, the reset swing arms are connected with the frame through connecting plates, clamping plates are respectively arranged on two sides of the limiting mechanism, and a plurality of grooves which are in fit connection with the reset swing arms are arranged on the clamping plates.
4. The lifting platform for hot-line work of the power transmission line according to claim 3, wherein the reset swing arm comprises a hinge seat, a swing arm frame and a trigger arm, the hinge seat is fixedly connected with the connecting plate, the swing arm frame is hinged to the hinge seat, a torsion spring is arranged at the hinge position of the swing frame and the hinge seat, the trigger arm is arranged at the top of the swing arm frame and is hinged to the swing arm frame, and a horizontal stop lever which is in fit connection with the groove is arranged at the front end of the swing arm frame.
5. The live working lifting platform of the power transmission line according to claim 4, wherein a push rod capable of sliding back and forth is arranged in the swing arm frame, one end of the trigger arm is connected with the push rod in a matching manner, and the horizontal stop lever is arranged at the front end of the push rod; the front end of the push rod is provided with a guide wheel, and a clamping block which is connected with the guide wheel in a matched mode is arranged between the two clamping plates.
6. The lifting platform for the live working of the power transmission line according to claim 4, wherein a plurality of wire mechanisms are arranged between the two clamping plates from bottom to top, and the rope passes through the plurality of wire mechanisms and the plurality of clamping blocks from bottom to top.
7. The lifting platform for hot-line work of the power transmission line according to claim 1, wherein the routing device comprises a track plate, a routing arm and a transmission mechanism, the routing arm is slidably connected with the track plate, the transmission mechanism is disposed at one end of the track plate, and the transmission mechanism is in transmission connection with the routing arm.
8. The live working lifting platform of the power transmission line according to claim 7, wherein the routing arm comprises a sliding frame and a traveling wheel, the traveling wheel is arranged on the top of the sliding frame, and one side of the sliding frame is in fit connection with the track plate; the transmission mechanism comprises a screw rod motor, the screw rod motor is arranged on the track plate, and the screw rod motor is in transmission connection with the sliding frame.
9. The lifting platform for hot-line work of power transmission line according to claim 1, wherein an equipotential device capable of swinging up and down is disposed on a side of the frame close to the power transmission line, and the equipotential device is used for eliminating arc discharge and controlling external electrical equipment and a switch of the routing device.
10. The lifting platform for hot-line work of power transmission line according to claim 9, wherein the equipotential device comprises a first equipotential portion and a second equipotential portion, the first equipotential portion and the second equipotential portion can swing up and down, and the first equipotential portion and the second equipotential portion are disposed in a vertically staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210573518.9A CN114940431B (en) | 2022-05-25 | 2022-05-25 | Live working lifting platform for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210573518.9A CN114940431B (en) | 2022-05-25 | 2022-05-25 | Live working lifting platform for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114940431A true CN114940431A (en) | 2022-08-26 |
| CN114940431B CN114940431B (en) | 2024-09-17 |
Family
ID=82909617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210573518.9A Active CN114940431B (en) | 2022-05-25 | 2022-05-25 | Live working lifting platform for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114940431B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308034A (en) * | 1996-05-10 | 1997-11-28 | Nippon Denwa Shisetsu Kk | Cable laying robot |
| CN101882765A (en) * | 2010-05-11 | 2010-11-10 | 湖南大学 | Traveling mechanism of robot on high voltage transmission line |
| CN109066464A (en) * | 2018-08-31 | 2018-12-21 | 国网河北省电力有限公司沧州供电分公司 | Inspection robot obstacle crossing device |
| JP2019165563A (en) * | 2018-03-20 | 2019-09-26 | 三和テッキ株式会社 | Braking device for collecting suspended objects under overhead wire |
| CN110714430A (en) * | 2018-07-12 | 2020-01-21 | 郑州宇通重工有限公司 | Flow guide folding device and sweeping vehicle using same |
| CN112285132A (en) * | 2020-09-14 | 2021-01-29 | 广东能飞航空科技发展有限公司 | Live-line online detection system for power transmission line hardware |
| US20210091544A1 (en) * | 2018-11-15 | 2021-03-25 | Shandong University Of Science And Technology | Climbing robot traveling along overhead line |
| CN113001504A (en) * | 2021-01-25 | 2021-06-22 | 国网浙江省电力有限公司金华供电公司 | Self-walking X-ray visual live-line detection robot |
| CN113199489A (en) * | 2021-04-30 | 2021-08-03 | 广东冠能电力科技发展有限公司 | Coating robot |
| CN114944617A (en) * | 2022-05-25 | 2022-08-26 | 广东冠能电力科技发展有限公司 | Equipotential device and lifting platform thereof |
-
2022
- 2022-05-25 CN CN202210573518.9A patent/CN114940431B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308034A (en) * | 1996-05-10 | 1997-11-28 | Nippon Denwa Shisetsu Kk | Cable laying robot |
| CN101882765A (en) * | 2010-05-11 | 2010-11-10 | 湖南大学 | Traveling mechanism of robot on high voltage transmission line |
| JP2019165563A (en) * | 2018-03-20 | 2019-09-26 | 三和テッキ株式会社 | Braking device for collecting suspended objects under overhead wire |
| CN110714430A (en) * | 2018-07-12 | 2020-01-21 | 郑州宇通重工有限公司 | Flow guide folding device and sweeping vehicle using same |
| CN109066464A (en) * | 2018-08-31 | 2018-12-21 | 国网河北省电力有限公司沧州供电分公司 | Inspection robot obstacle crossing device |
| US20210091544A1 (en) * | 2018-11-15 | 2021-03-25 | Shandong University Of Science And Technology | Climbing robot traveling along overhead line |
| CN112285132A (en) * | 2020-09-14 | 2021-01-29 | 广东能飞航空科技发展有限公司 | Live-line online detection system for power transmission line hardware |
| CN113001504A (en) * | 2021-01-25 | 2021-06-22 | 国网浙江省电力有限公司金华供电公司 | Self-walking X-ray visual live-line detection robot |
| CN113199489A (en) * | 2021-04-30 | 2021-08-03 | 广东冠能电力科技发展有限公司 | Coating robot |
| CN114944617A (en) * | 2022-05-25 | 2022-08-26 | 广东冠能电力科技发展有限公司 | Equipotential device and lifting platform thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张颉;吴功平;肖华;邹德华;: "高压输电线路带电检修机器人机械系统设计", 机械设计与制造, no. 04, 8 April 2017 (2017-04-08), pages 240 - 244 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114940431B (en) | 2024-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203109949U (en) | Intelligent detecting robot for connecting rod peristalsis insulator string | |
| CA2918923A1 (en) | Contact device and charging contact unit and method for electrical connection of a vehicle to a charging station | |
| CN102400584B (en) | Anti-falling device for three-dimensional garage and three-dimensional garage adopting same | |
| CN109149314B (en) | Lightning arrester wire connector | |
| CN1030903C (en) | Linear motor type elevator | |
| CN114940431A (en) | Live working lifting platform for power transmission line | |
| EP1013593B1 (en) | Control device for elevator | |
| US3500963A (en) | Control system for elevators and the like | |
| CN114986157A (en) | High-efficient production line of medium voltage switchgear | |
| CN210024463U (en) | Multi-vehicle type anchor clamps switch equipment | |
| US2528265A (en) | Elevator mechanism | |
| DE19647336C2 (en) | Energy supply system for an assembly or test track integrated in an assembly line | |
| CN203462372U (en) | 90 degree perpendicular curved rail of logistics conveying rail | |
| US2360505A (en) | Electrically controlled hoist for monorails | |
| CN114944617B (en) | Equipotential device and lifting platform thereof | |
| CN109358212B (en) | Hanging fine adjustment device for electric power test | |
| CN113917200A (en) | Automatic telescopic remote control high-altitude wiring mechanical arm | |
| CN2652893Y (en) | Differential crab bucket ship unloading machine four support cable small car | |
| US2077317A (en) | Conveyer current carrier | |
| CN209906212U (en) | Cable pulley protection device that drops | |
| CN221343461U (en) | Elevator switch control box | |
| CN2261442Y (en) | Switch of railway | |
| CN118026034B (en) | Vacuum circuit breaker maintenance platform and use method | |
| CN218335007U (en) | Robot for guiding, deflecting, loading and unloading wires of power transmission and distribution line | |
| CN109093629B (en) | Lightning arrester self-climbing 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |