CN113998528B - Paying-off device for power transmission line - Google Patents
Paying-off device for power transmission line Download PDFInfo
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- CN113998528B CN113998528B CN202111437797.8A CN202111437797A CN113998528B CN 113998528 B CN113998528 B CN 113998528B CN 202111437797 A CN202111437797 A CN 202111437797A CN 113998528 B CN113998528 B CN 113998528B
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- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H61/00—Applications of devices for metering predetermined lengths of running material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The invention provides a paying-off device for a power transmission line, which belongs to the technical field of power cables and comprises a movable base, a paying-off mechanism, a transmission mechanism and a control mechanism for controlling the paying-off mechanism and the transmission mechanism; the paying-off mechanism comprises a paying-off rack arranged on the movable base, a paying-off wheel wound with a cable and a first motor for driving the paying-off wheel to rotate; the transmission mechanism comprises a support frame arranged on the movable base and a hanging ring arranged on the support frame; the control mechanism comprises a first rotational speed sensor and a first electronic counter which are arranged on the paying-off wheel, and a controller for controlling the first rotational speed sensor and the first electronic counter; the paying-off wheel is arranged on the paying-off frame through a rotating shaft. The invention has convenient use and installation, can adjust the position of the support column according to the size of the paying-off wheel, has simple operation, can drive the paying-off wheel to pay off by the motor without manual rotation, can detect the paying-off speed and length, reduces the operation time, reduces the labor intensity, saves the cost and saves time and labor.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a paying-off device for a power transmission line.
Background
The power transmission line is realized by boosting the electric energy generated by the generator by using a transformer and then accessing the electric energy into the power transmission line through control equipment such as a breaker, and the power transmission line is divided into an overhead power transmission line and a cable line in a structural form, and paying-off is an extremely important construction link in the construction of the power transmission line. Currently, cables are typically paid out from the direction of a spool of wire when the cable is installed or laid. The traditional pay-off device for power transmission line construction is simple in structure and single in function, a worker manually pays off the cable, at least one person pulls the cable head, at least one person rotates the cable drum, only simple pay-off work can be performed, the length of a paid-out wire cannot be measured, therefore, the number of cables with the length actually paid out is not known, and the extra cables are required to be wound after pay-off is finished; and the speeds of the person pulling the wire and the person paying off the wire are not easy to be consistent, and the time and the labor are wasted.
Patent document with publication number CN112623858A discloses a pay-off for transmission line, comprising a base, a moving wheel, a pay-off reel, two fixed lifting components, two inserting rods, an adjusting component and a rotating component. The four corners of the bottom of the base are provided with moving wheels; the pay-off disc is arranged at the top of the base, and a plurality of clamping blocks are distributed at two ends of the inner side of the central hole of the pay-off disc along the circumferential direction of the central hole of the pay-off disc; the two fixed lifting components are symmetrically and slidably connected to the top of the base and two sides of the pay-off reel, and the distance between the two fixed lifting components is adjustable. This pay-off passes through the interval between two fixed lifting unit of adjusting part regulation for the inserted bar inserts the hollow inside in center of pay-off reel, thereby makes fixture block and draw-in groove cooperation fix the pay-off reel, then thereby rise the pay-off reel through fixed lifting unit and carry out the unwrapping wire operation, but this pay-off can not monitor the length and the speed of unwrapping wire.
The patent with publication number CN207090649U discloses a power transmission line construction paying-off device, which belongs to the technical field of power transmission line construction and comprises a supporting mechanism provided with a base and a supporting frame, a paying-off mechanism arranged on the supporting frame, a detecting mechanism for detecting rotating speed and number of turns and a driving mechanism arranged on the base; the paying-off mechanism comprises paying-off wheels arranged on a supporting frame through wheel shafts, two ends of the supporting frame are provided with paying-off frames, paying-off pipes are arranged on the paying-off frames, and the wire inlet ends of the paying-off pipes are fixedly provided with pulleys through pulley frames; the detection mechanism comprises a digital counter and a first rotating speed sensor which are arranged on the wheel shaft, a second rotating speed sensor is arranged on the pulley, the first rotating speed sensor and the second rotating speed sensor are connected in series with a controller, and the controller is connected with an alarm. The paying-off device can measure the length of the paid-off wire, control the paying-off speed, and enable the paying-off speed to be consistent with the speed of the stay wire, but is inconvenient to install when the paying-off mechanism is placed on a paying-off frame.
Disclosure of Invention
In view of the above, the present invention provides a pay-off device for a power transmission line.
In order to solve the technical problems, the invention adopts the following technical scheme:
a pay-off device for a power transmission line comprises a movable base, a pay-off mechanism and a transmission mechanism which are arranged on the movable base, and a control mechanism for controlling the pay-off mechanism and the transmission mechanism;
the paying-off mechanism comprises a paying-off rack arranged on the movable base, a paying-off wheel wound with a cable and a first motor for driving the paying-off wheel to rotate;
the transmission mechanism comprises a support frame arranged on the movable base and a hanging ring arranged on the support frame;
the control mechanism comprises a first rotational speed sensor and a first electronic counter which are arranged on the paying-off wheel, and a controller for controlling the first rotational speed sensor and the first electronic counter.
Further, the paying-off wheel is arranged on the paying-off frame through a rotating shaft.
Further, the movable base comprises a bottom plate and travelling wheels arranged at the lower part of the bottom plate, and a pull rod is arranged at one end of the bottom plate upwards.
Further, the pay-off rack comprises a chute arranged on the bottom plate, a support column arranged in the chute, and a baffle arranged on the support column, wherein the rotating shaft is connected with the baffle through a bearing.
Further, the lower end of the support column is provided with a first through hole, and two sides of the chute are provided with a plurality of second through holes.
Further, the width of the sliding groove is larger than that of the supporting column, and the first through hole and the second through hole are fixed through bolts, so that the supporting column is fixed in the sliding groove.
Further, the support columns are arranged at two, two ends of the paying-off wheel are respectively supported, each support column is fixedly provided with the baffle, and the rotating shaft penetrates through the baffle.
Further, the support frame is located one side of pay-off rack, the support frame is including setting up bracing piece on the bottom plate, the link sets up the tip of bracing piece, the cable passes through after letting out through pay-off mechanism the link.
Further, the output shaft of the first motor is connected with one end of the rotating shaft through a key, and the other end of the rotating shaft is provided with a crank.
Further, the first motor is supported by a support platform arranged on the bottom plate.
With the development of the power industry and the improvement of the load demand of a power grid, the ultra-high voltage and long-distance power transmission technology is greatly developed in China, the conventional power transmission line generally adopts a paying-off wheel to finish paying-off operation, the paying-off wheel is common hand-operated paying-off equipment, and a mounting rack is required to be used for mounting the paying-off wheel or the paying-off reel for paying-off during paying-off, so that the operation is simple and convenient, but the fixing and mounting between the conventional paying-off wheels or paying-off reels are troublesome, and the operation efficiency is low. For this reason, those skilled in the electric power field generally make researches for improving paying-off efficiency. For example, patent document with publication number CN105293162a discloses a pay-off device for electric transmission line iron tower piles and a construction method thereof, the pay-off device comprises a bottom plate, wherein a dovetail groove is arranged on the bottom plate, and a supporting plate is clamped into the dovetail groove through a bottom connecting piece and is arranged on the bottom plate, and the pay-off device is characterized in that: install the round pin clamp in the backup pad, the tripod of connecting rod one, connecting rod two and connecting rod three is installed above the backup pad, wherein: a shaft bracket is arranged at the joint of the first connecting rod and the second connecting rod, and a pin IV is arranged at the bottom of the second connecting rod and penetrates into the supporting plate; the first connecting rod is connected with the third connecting rod through the second pin, and the third connecting rod penetrates into the pin clamp through the adjusting pin for fixing; the device is fixed on the transport vechicle, drives its unwrapping wire that advances through the vehicle, and the reel dismantles conveniently simultaneously, does not need to consume too much manpower, and the device is fast to be qualified for the next round of competitions simultaneously and does not twine between the circuit of being qualified for the next round of competitions, is fit for using widely. The patent with the publication number of CN102064493B discloses a method for paying off and erecting a transmission line by using an unmanned helicopter, wherein the unmanned helicopter is used for carrying an aramid rope to take off and throwing the aramid rope into a designated tower, then a manual direct traction or small tractor traction mode is adopted, the aramid rope is used for traction of a Dinima rope, and then the Dinima rope is used for traction and guidance; when the guide rope is pulled to the small traction station, the two sides are connected, and the large traction rope can be pulled by lifting off, so that the wire-erecting work is completed. The unmanned aerial vehicle is simple and flexible to operate, high in construction efficiency, stable in work and good in safety when being used for erecting overhead transmission line wires, and construction channels such as trees do not need to be cut down, so that people do not disturb, and natural resources such as local wind and water are not damaged. However, in the practical operation of paying-off, the problems of paying-off length and speed are not considered, when the paying-off length and speed are not matched with the traction speed, a plurality of problems such as large traction force and cable winding are generated, paying-off construction efficiency is affected, and in the prior art, the cable is usually straightened through traction, so that the traction force is increased.
Compared with the prior art, the invention has the following beneficial effects:
the invention comprises a movable base, a paying-off mechanism, a transmission mechanism and a control mechanism. The movable base comprises a bottom plate and travelling wheels, one end of the bottom plate is upwards provided with a pull rod, the push-pull is convenient, the pull rod is provided with a cross rod, and the movable base can be pulled by a machine to advance. The paying-off mechanism comprises a paying-off frame, a paying-off wheel and a first motor, wherein a rotating shaft is arranged in the middle of the paying-off wheel and is arranged on the paying-off frame, the rotating shaft is driven to rotate by the first motor, and then paying-off is performed. The transmission mechanism comprises a supporting frame and a hanging ring, and the cable passes through the hanging ring after being discharged from the pay-off rack, so that the cable is convenient to pull. The control mechanism comprises a first rotation speed sensor, a first electronic counter and a controller, and the length of paying-off is conveniently calculated through controlling the rotation speed and the number of turns of the paying-off wheel.
Pay off rack includes spout, support column and baffle, and the both sides of spout are equipped with a plurality of second through-holes, pass through bolt fastening with the first through-hole of support column lower part, and backup pad and baffle all set up two. When the pay-off rack is used, one support column is fixed on the chute through bolts, the two ends of the rotating shaft are respectively provided with the upper bearing and the bearing seat, the bearing seat at one end is fixed on the baffle plate of one support column, then the position of the second support column is adjusted, the support column is fixed on the chute through bolts, and finally the bearing seat at the other end of the rotating shaft is fixed on the baffle plate of the second support column, so that the pay-off rack and the pay-off wheel are connected. The structure is convenient to connect, the position of the support column can be adjusted according to the size of the paying-off wheel, and the structure is flexible and convenient.
The first motor is arranged on the supporting platform, the output shaft is connected with one end of the rotating shaft through a key, the crank is arranged at the other end of the rotating shaft, and when the length of a wire to be paid off is short, the crank can be rotated to pay off.
The invention has convenient use and installation, can adjust the position of the support column according to the size of the paying-off wheel, has simple operation, can drive the paying-off wheel to pay off by the motor without manual rotation, can detect the paying-off speed and length, reduces the operation time, reduces the labor intensity, saves the cost and saves time and labor.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a pay-off device according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a transmission mechanism according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a transmission mechanism according to embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of a second transmission module according to embodiment 3 of the present invention.
Fig. 5 is a schematic structural view of a first transmission module according to the present invention.
Fig. 6 is a schematic view showing the structure of a first driven wheel according to embodiment 3 of the present invention.
Fig. 7 is a schematic structural diagram of a lifting platform according to embodiment 3 of the present invention.
The meaning of each reference numeral is as follows:
1: walking wheels, 2: bottom plate, 3: chute, 4: second through hole, 5: support column, 6: crank, 7: baffle, 8: rotating shaft, 9: paying-off wheel, 10: cable, 11: first electronic counter, 12: first rotation speed sensor, 13: first motor, 14: support platform, 15: controller, 16: pull rod, 17: hanging ring, 18: support bar, 19: first action wheel, 20: first belt, 21: first driven wheel, 22: second action wheel, 23: second belt, 24: second driven wheel, 25: second housing, 26: third motor, 27: work table, 28: hydraulic cylinder, 29: scissor arms, 30: and (5) a base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
Example 1
As shown in fig. 1-2, the present embodiment provides a paying-off device for a power transmission line, which includes a moving base, a paying-off mechanism and a transmission mechanism that are disposed on the moving base, and a control mechanism that controls the paying-off mechanism and the transmission mechanism; the paying-off mechanism comprises a paying-off frame arranged on the movable base, a paying-off wheel 9 wound with a cable 10 and a first motor 13 for driving the paying-off wheel 9 to rotate; the transmission mechanism comprises a support frame arranged on the movable base and a hanging ring 17 arranged on the support frame; the control mechanism comprises a first rotational speed sensor 12 and a first electronic counter 11 which are arranged on the paying-off wheel 9, and a controller 15 for controlling the first rotational speed sensor 12 and the first electronic counter 11, and is in wireless connection, so that the paying-off length can be conveniently calculated through controlling the rotational speed and the number of turns of the paying-off wheel; the paying-off wheel 9 is arranged on the paying-off frame through a rotating shaft 8.
The movable base comprises a bottom plate 2 and travelling wheels 1 arranged at the lower part of the bottom plate 2.
The pay-off rack comprises a chute 3 arranged on the bottom plate 2, a support column 5 arranged in the chute 3, and a baffle plate 7 arranged on the support column 5, wherein the rotating shaft 8 is connected with the baffle plate 7 through bearings, and the support column 5 is provided with two support columns for respectively supporting two ends of a pay-off wheel 9.
The lower extreme of support column 5 is equipped with first through-hole, the both sides of spout 3 are equipped with a plurality of second through-holes 4, the width of spout 3 is greater than the width of support column 5, pass through bolt fastening between first through-hole and the second through-hole 4, will support column 5 is fixed in spout 3.
The support frame is located one side of pay off rack, the support frame is including setting up bracing piece 18 on the bottom plate 2, link 17 sets up the tip of bracing piece 18, cable 10 passes through after paying out mechanism is paid out link 17, cable 10 is from paying out rack back, passes link 17, conveniently pulls.
When the pay-off rack is used, one support column is fixed on the chute through bolts, the two ends of the rotating shaft are respectively provided with the upper bearing and the bearing seat, the bearing seat at one end is fixed on the baffle plate of one support column, then the position of the second support column is adjusted, the support column is fixed on the chute through bolts, and finally the bearing seat at the other end of the rotating shaft is fixed on the baffle plate of the second support column, so that the pay-off rack and the pay-off wheel are connected. The structure is convenient to connect, the position of the support column can be adjusted according to the size of the paying-off wheel, and the structure is flexible and convenient.
Example 2
As shown in fig. 1-2, this embodiment provides a pay-off device for a power transmission line, which is further optimized based on embodiment 1:
one end of the bottom plate 2 is provided with a pull rod 16 upwards, and the pull rod 16 is provided with a cross rod, so that convenience and traction are realized.
The output shaft of the first motor 13 is connected with one end of the rotating shaft 8 through a key, the other end of the rotating shaft 8 is provided with a crank 6, and when the length of paying-off is short, the crank can be rotated to pay-off.
The first motor 13 is supported by a support platform 14 provided on the base plate 2.
Example 3
As shown in fig. 1-7, this embodiment provides a pay-off device for a power transmission line, which is further optimized based on embodiment 2:
the transmission mechanism further comprises a first transmission module and a second transmission module which are arranged on one side of the support frame; the first transmission module and the second transmission module are in belt transmission, the cable is clamped between the two belts, the cable is extruded and straightened, traction efficiency is improved, and construction progress is accelerated.
The first transmission module comprises a first driving shaft, a first driven shaft, a first driving wheel 19, a first driven wheel 21, a first belt 20 connecting the first driving wheel 19 and the first driven wheel 21, and a second motor driving the first driving shaft to rotate; the first driving wheel 19 is connected with a first driving shaft, and the first driven wheel 21 is connected with a first driven shaft; the first driving shaft and the first driven shaft are arranged on the first shell through bearings and bearing sleeves.
The second transmission module comprises a second driving shaft, a second driven shaft, a second driving wheel 22, a second driven wheel 24, a second belt 23 connecting the second driving wheel 22 and the second driven wheel 24, and a third motor 26 driving the second driving shaft to rotate; the second driving wheel 22 is connected with a second driving shaft, and the second driven wheel 24 is connected with a second driven shaft; the second driving shaft and the second driven shaft are arranged on the second shell 25 through bearings and bearing sleeves. The second driving wheel 22 and the second driven wheel 24 are arranged on one side of a second shell 25, and a third motor 26 is arranged on the other side of the second shell 26.
The lower side of the first belt 20 of the first transmission module contacts the cable 10, the upper side of the second belt 23 of the second transmission module contacts the cable 10, the cable 10 is straightened under a certain pressure in the up-down direction, the two rotating directions are opposite, and meanwhile, the cable 10 can be pulled forwards, the external traction force is reduced, and the traction efficiency is improved. The first transmission module and the second transmission module have similar structures, and of course, the first transmission module and the second transmission module may be separately disposed at the left and right sides of the cable 10, so as to straighten the cable 10.
The lower part of first transmission module and second transmission module all is equipped with lift platform, lift platform is including setting up base 30 on the bottom plate 2, setting is in cut fork arm support 29 on the base 30, set up hydraulic cylinder 28 on cutting fork arm support 29, set up work platform 27 on cutting fork arm support 29, first casing, second motor set up on one lift platform, second casing and third motor set up on another lift platform, through going up and down, height-adjusting.
Example 4
As shown in fig. 1-7, this embodiment provides a pay-off device for a power transmission line, which is further optimized based on embodiment 3:
the first belt 20 is meshed with the first driving wheel 22 and the first driven wheel 21 through meshing teeth, and the second belt 23 is meshed with the second driving wheel 22 and the second driven wheel 24 through meshing teeth, and the edges of the first driving wheel 19, the first driven wheel 21, the second driving wheel 22 and the second driven wheel 24 are higher than the edges of the first belt 20 or the second belt 23.
A second rotating speed sensor and a second electronic counter are arranged on the first driving wheel 19; a third rotation speed sensor and a third electronic counter are arranged on the second driving wheel 22.
The second rotation speed sensor, the second electronic counter, the third rotation speed sensor and the third electronic counter are all controlled by the controller 15, wireless connection is adopted, the controller 15 is connected with an alarm, the speed of paying off and the speed of the first transmission module and the second transmission module are monitored through monitoring the first transmission module and the second transmission module, paying-off length and transmission length are calculated, and when the paying-off speed is not matched with the transmission length, the alarm gives an alarm.
In the description of the present invention, it should be understood that relational terms such as "a" and "an" and "the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (5)
1. The utility model provides a pay-off for transmission line which characterized in that: the paying-off device comprises a movable base, a paying-off mechanism and a transmission mechanism which are arranged on the movable base, and a control mechanism for controlling the paying-off mechanism and the transmission mechanism;
the paying-off mechanism comprises a paying-off rack arranged on the movable base, a paying-off wheel wound with a cable and a first motor for driving the paying-off wheel to rotate;
the transmission mechanism comprises a support frame arranged on the movable base and a hanging ring arranged on the support frame;
the control mechanism comprises a first rotational speed sensor and a first electronic counter which are arranged on the paying-off wheel, and a controller for controlling the first rotational speed sensor and the first electronic counter;
the paying-off wheel is arranged on the paying-off frame through a rotating shaft;
the movable base comprises a bottom plate and travelling wheels arranged at the lower part of the bottom plate, and a pull rod is arranged at one end of the bottom plate upwards;
the pay-off rack comprises a chute arranged on the bottom plate, a support column arranged in the chute, and a baffle arranged on the support column, wherein the rotating shaft is connected with the baffle through a bearing; the lower end of the supporting column is provided with a first through hole, and two sides of the sliding groove are provided with a plurality of second through holes; the width of the sliding groove is larger than that of the supporting column, and the first through hole and the second through hole are fixed through bolts to fix the supporting column in the sliding groove;
the transmission mechanism further comprises a first transmission module and a second transmission module which are arranged on one side of the support frame; the first transmission module and the second transmission module are both belt transmission, the cable is clamped between the two belts, and the cable is extruded and straightened;
the first transmission module comprises a first driving shaft, a first driven shaft, a first driving wheel, a first driven wheel, a first belt connecting the first driving wheel and the first driven wheel, and a second motor driving the first driving shaft to rotate; the first driving wheel is connected with a first driving shaft, and the first driven wheel is connected with a first driven shaft; the first driving shaft and the first driven shaft are arranged on the first shell through bearings and bearing sleeves;
the second transmission module comprises a second driving shaft, a second driven shaft, a second driving wheel, a second driven wheel, a second belt connecting the second driving wheel and the second driven wheel, and a third motor driving the second driving shaft to rotate; the second driving wheel is connected with a second driving shaft, and the second driven wheel is connected with a second driven shaft; the second driving shaft and the second driven shaft are arranged on the second shell through bearings and bearing sleeves; the second driving wheel and the second driven wheel are arranged on one side of the second shell, and the third motor is arranged on the other side of the second shell;
the lower part of first transmission module and second transmission module all is equipped with lift platform, lift platform is including setting up base on the bottom plate, setting is in cut the fork arm support on the base, set up cut the pneumatic cylinder on the fork arm support, set up cut the workstation on the fork arm support, first casing, second motor set up on one lift platform, second casing and third motor set up on another lift platform.
2. A pay-off device for a power transmission line as claimed in claim 1, wherein: the support columns are arranged at two ends of the pay-off wheel, each support column is fixedly provided with the baffle, and the rotating shaft penetrates through the baffle.
3. A pay-off device for a power transmission line as claimed in claim 2, wherein: the support frame is located one side of pay off rack, the support frame is including setting up bracing piece on the bottom plate, the link sets up the tip of bracing piece, the cable passes through after paying out machine constructs the pay off the link.
4. A pay-off device for a power transmission line as claimed in claim 3, wherein: the output shaft of the first motor is connected with one end of the rotating shaft through a key, and the other end of the rotating shaft is provided with a crank.
5. A pay-off device for a power transmission line as set forth in claim 4, wherein: the first motor is supported by a supporting platform arranged on the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437797.8A CN113998528B (en) | 2021-11-30 | 2021-11-30 | Paying-off device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437797.8A CN113998528B (en) | 2021-11-30 | 2021-11-30 | Paying-off device for power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113998528A CN113998528A (en) | 2022-02-01 |
| CN113998528B true CN113998528B (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111437797.8A Active CN113998528B (en) | 2021-11-30 | 2021-11-30 | Paying-off device for power transmission line |
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| CN (1) | CN113998528B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114537253B (en) * | 2022-03-04 | 2023-07-07 | 国家电网有限公司 | Paying-off service vehicle and paying-off monitoring system |
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| JP2016199382A (en) * | 2015-04-14 | 2016-12-01 | トピー工業株式会社 | Cable system |
| CN211870983U (en) * | 2020-01-09 | 2020-11-06 | 广东惠信达电力科技有限公司 | Electric lifting type cable pay-off rack |
| CN111942949A (en) * | 2020-08-21 | 2020-11-17 | 广东电网有限责任公司肇庆供电局 | Pay-off for power line |
| CN213326024U (en) * | 2020-09-27 | 2021-06-01 | 国网河南省电力公司三门峡市陕州供电公司 | Automatic pay-off of cable construction |
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| CN113998528A (en) | 2022-02-01 |
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