CN113488912A - 500kV power transmission line live working quick suspension device and operation method - Google Patents

500kV power transmission line live working quick suspension device and operation method Download PDF

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Publication number
CN113488912A
CN113488912A CN202110713666.1A CN202110713666A CN113488912A CN 113488912 A CN113488912 A CN 113488912A CN 202110713666 A CN202110713666 A CN 202110713666A CN 113488912 A CN113488912 A CN 113488912A
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China
Prior art keywords
suspension
hook
wire
hanging
suspension device
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CN202110713666.1A
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Chinese (zh)
Inventor
孙红江
赵新
李永锋
董云鹏
顾国峰
蔡文彪
张嘉杨
刘克敏
姜辉
杨超
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Maintenance Branch of State Grid Liaoning Electric Power Co Ltd
State Grid Corp of China
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Maintenance Branch of State Grid Liaoning Electric Power Co Ltd
State Grid Corp of China
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Application filed by Maintenance Branch of State Grid Liaoning Electric Power Co Ltd, State Grid Corp of China filed Critical Maintenance Branch of State Grid Liaoning Electric Power Co Ltd
Priority to CN202110713666.1A priority Critical patent/CN113488912A/en
Publication of CN113488912A publication Critical patent/CN113488912A/en
Pending legal-status Critical Current

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    • 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

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  • Forklifts And Lifting Vehicles (AREA)

Abstract

The hot-line work quick suspension device for the 500kV power transmission line is characterized in that a suspension point for connecting an unmanned aerial vehicle is arranged at the top end of the device, and a suspension mechanism is connected with the bottom end of the suspension point; the suspension mechanism comprises a connecting frame and a suspension main body; one side surface of the opening and closing type hanging stretching rod is provided with an elastic element, and the maximum stretching length is 100 mm; and a hanging main body is arranged at the position corresponding to the elastic element on the other side surface of the opening-closing type hanging stretching rod, the top end of the hanging main body is connected with an open bent hook used for hanging on a wire, and the bottom end of the bent hook is connected with a pulley assembly. The connecting frame is arranged between the hanging point and the opening-closing type hanging stretching rod or between the hook and the pulley component.

Description

500kV power transmission line live working quick suspension device and operation method
Technical Field
The invention belongs to the technical field of live working of high-voltage circuits, and particularly relates to a 500kV transmission line live working quick suspension device and an operation method.
Background
The 500kV power transmission line is a main rack for transmitting electric energy, is widely distributed, is an important component mode for transmitting the electric energy outwards by a power plant, is also an important component part for connecting the 500kV transformer substation with the 500kV transformer substation, and is especially an important safety event which can seriously cause the stable operation of a power grid such as direct current unit locking or emergency stop of a nuclear power station and the like due to tripping of outgoing power transmission lines of the power plant, the nuclear power plant and the converter station. The 500kV power transmission line can not be stopped for maintenance due to non-special factors, and live maintenance of the power transmission line is an important maintenance mode of the 500kV power transmission line.
The existing live working method and tools of the power transmission line are relatively conventional and backward, and a hanging ladder is combined with a lifter, so that the existing live working method and tools of the power transmission line are in the following traditional live working modes: the method is characterized by spanning two-short three methods, a hanging ladder method and a lifter method, and the specific methods are mostly links such as pole tower climbing and wiring, so that the labor intensity of operators is high, the number of operators on the tower is large, the operation time is long, the safety risk is high, and the method is not beneficial to widely developing the live-line operation of a plurality of transmission lines.
Disclosure of Invention
Object of the Invention
The invention provides a live working quick suspension device which is safe, portable, time-saving and labor-saving and can reduce the labor intensity of workers, and an operation method thereof.
Technical scheme
The hot-line work quick suspension device for the 500kV power transmission line is characterized in that a suspension point for connecting an unmanned aerial vehicle is arranged at the top end of the device, and a suspension mechanism is connected with the bottom end of the suspension point;
the hanging mechanism comprises a connecting frame, an opening and closing type hanging stretching rod and a hanging main body;
one side surface of the opening and closing type hanging stretching rod is provided with an elastic element, and the maximum stretching length is 100 mm;
the other side of the opening-closing type hanging stretching rod is provided with a hanging main body at a position corresponding to the elastic element, the top end of the hanging main body is provided with a hook with one end opened for hanging on a wire, and the bottom end of the hook is connected with a pulley assembly. Pulleys are respectively arranged at two ends of the bottom of the suspension device, wherein one pulley is used for penetrating through a lift rope, and the other pulley is used for penetrating through a protection rope of a worker; the two pulleys are made of the same material and bear the same weight, and keep a relative balance state.
The connecting frame is arranged between the hanging point and the opening and closing type hanging stretching rod or between the hook and the pulley component.
The part of the inner wall surface of the hook contacting with the lead is provided with an insulating material. The diameter of the hook is 50-70 mm.
The internal face of hanging the point is equipped with the rubber pad, prevents to break away from with the unmanned aerial vehicle contact.
The whole length of the suspension device is 300-400mm, and the width is 260-350 mm. The suspension device is made of glass fiber reinforced plastic.
Advantages and effects
The invention provides an operation method of a suspension device, which can be quickly hung on a ground wire of a power transmission line and make up for unfavorable factors such as physical strength of personnel consumption in the wiring process. The suspension device has the advantages of portability, reduced labor intensity and improved working efficiency.
The emergency handling capacity of the transmission line for completing various live-line work safely and efficiently can be effectively improved. The operation mode of adopting this device advantage: the number of the workers working high above the ground is small, and the safety risk of the workers working high above the ground is reduced; links of climbing poles and towers and wiring are avoided, and labor intensity of operators is reduced; the working point directly below the defect point is selected to enter the electric field, so that the integral working time is shortened, and the working efficiency of live working is improved.
The operation method of the device can be used for quickly entering the electric field equipotential when live working personnel enter the electric field equipotential, and the device is light, convenient to operate, safe, reliable and strong in practicability; the cable can be used on wires, ground wires and optical cables (OPGW) with various specifications, can be flexibly adjusted according to conditions, and is convenient to use and firm and reliable in connection; the processing is convenient, the processing cost is low, the labor intensity of operators can be reduced, the working efficiency is improved, and the method has wide application prospect and great popularization value.
Drawings
FIG. 1 is a schematic view of the construction of the present invention with the hitch mounted between a hitch point and an open and closed hitch stretch rod;
FIG. 2 is a schematic side view of the present invention showing the connection between the hanging point and the open/close type hanging stretching rod;
fig. 3 is a schematic view of the connection bracket of the present invention mounted between a hook and a sheave assembly;
fig. 4 is a side view of the attachment bracket of the present invention positioned between a hook and a sheave assembly.
Reference numerals: 1. the hanging point, 2, the connecting frame, 3, the opening and closing type hanging stretching rod, 4, the hanging main body, 5, the elastic element, 6, the hook, 7, the pulley assembly and 8, the sliding plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the hot-line work quick suspension device for the 500kV power transmission line is characterized in that a suspension point 1 for connecting an unmanned aerial vehicle is arranged at the top end of the device, and a suspension mechanism is connected to the bottom end of the suspension point 1;
the hanging mechanism comprises a connecting frame 2, an opening and closing type hanging stretching rod 3 and a hanging main body 4;
an elastic element 5 is arranged on one side surface of the opening-closing type hanging stretching rod 3, and the maximum stretching length is 100 mm;
the other side of the open-close type hanging stretching rod 3 is provided with a hanging body 4 at the position corresponding to the elastic element 5, the top end of the hanging body 4 is provided with a hook 6 with one end opened for hanging on a wire, and the bottom end of the hook 6 is connected with a pulley assembly 7. Pulleys are respectively arranged at two ends of the bottom of the suspension device, wherein one pulley is used for penetrating through a lifting machine rope, and the other pulley is used for penetrating through a protection rope of a worker; the two pulleys are made of the same material and bear the same weight, and keep a relative balance state. The elevator rope and the protection rope are provided with independent hanging points and stress points without winding.
The top end of the elastic element 5 is fixed above the opening and closing type hanging stretching rod 3, the bottom end of the elastic element 5 is fixed on a sliding plate 8, and the sliding plate 8 can slide up and down below the opening and closing type hanging stretching rod 3;
the connecting frame 2 is arranged between the hanging point 1 and the opening and closing type hanging stretching rod 3, or the connecting frame 2 is arranged between the hook 6 and the pulley component 7.
The inner wall of the hook 6 is provided with an insulating material at the position contacting with the lead. The diameter of the hook is 50-70 mm.
Hang the internal face of point 1 and be equipped with the rubber pad, prevent to break away from with unmanned aerial vehicle contact.
The whole length of the suspension device is 300-400mm, and the width is 260-350 mm. The suspension device is made of glass fiber reinforced plastic.
Examples
The suspension device reduces rigid collision of suspension contact between a suspension main body 4 and a wire and between a suspension point 1 and an unmanned aerial vehicle through an elastic element 5 on an opening-closing type suspension stretching rod 3, when two pulleys of the suspension device are loaded, the unmanned aerial vehicle loads the suspension device to move towards the wire, the elastic element 5 is stressed to stretch downwards at the moment, and the wire enters the hook 6 from an opening of the hook 6; when the hook 6 is hung on the wire, the hanging point 1 is disconnected with the unmanned aerial vehicle, the elastic element 5 unloads the weight and returns to the original state, at the moment, the opening-closing type hanging stretching rod 3 slides downwards along the sliding plate 8 under the action of the dead weight, the opening-closing type hanging stretching rod 3 and the opening of the hook 6 are closed, the device is hung on the wire to form self locking, the insulating material of the inner wall surface of the hook 6, which is in contact with the wire, has anti-slip performance, the hanging device is not moved and falls off, and the safety of operation on the wire is improved.
The protection rope adopts portable rope to do the guide rope, alleviates the overall quality of device, and the device articulates with the wire and guides the protection rope to suitable position after successfully, prevents that the rope from overweight influence overall structure weight.
The elevator rope and the protection rope have independent hanging points and stress points and are not wound with each other.
The quick suspension device is reasonable in structure, simple in production process, free of special requirements for the external environment in the using process and advanced in significance to the process of the quick suspension device for 500kV live working.
The specific operation method comprises the following steps:
connecting a hanging point of the hanging device with an unmanned aerial vehicle, remotely controlling the unmanned aerial vehicle to take off to drive the hanging device to a wire position, stretching the elastic element 5 downwards under the action of gravity, and enabling the wire to enter the hook 6 from an opening of the hook 6; when the hook 6 is hung on a wire, the elastic element 5 unloads the weight and returns to an original state, at the moment, the opening-closing type hanging stretching rod 3 slides downwards along the sliding plate 8 under the action of the dead weight, the opening-closing type hanging stretching rod 3 and the opening of the hook 6 are closed, so that the device is hung on the wire to form self locking, the hanging is completed, the hanging point 1 is disconnected with the unmanned aerial vehicle, the unmanned aerial vehicle returns to the ground, the insulating rubber material of the inner wall surface of the hook 6, which is contacted with the wire, has anti-slip performance, so that the hanging device does not move and fall off, an operator sits on a seat plate of a lifter and ties a safety belt and a protection rope, the seat plate is connected with a pulley on one side through a lifter rope, and the pulley on the other side penetrates through the protection rope and gives the weight; the bearing weight of the pulleys on the two sides is equal; the operation personnel adjust the lift to rise, hang the safety belt back protection rope and carry out the operation after rising to the wire suitable position, and this method can improve convenient rapidity, the security of operation personnel's operation on the wire.

Claims (7)

1.500kV输电线路带电作业快捷悬挂装置，其特征在于：为悬挂在导线上用于带电作业的装置，该装置的顶端设有用于连接无人机的挂点(1)，挂点(1)的底端连接悬挂机构；1. The quick suspension device for live work on 500kV transmission lines is characterized in that: it is a device suspended on a wire for live work, the top of the device is provided with a hanging point (1) for connecting the drone, and the hanging point (1) is provided with a hanging point (1). The bottom end is connected to the suspension mechanism; 悬挂机构包括连接架(2)和悬挂主体(4)；The suspension mechanism includes a connecting frame (2) and a suspension main body (4); 开闭合式悬挂拉伸杆的一侧面设有弹力元件(5)，最大拉伸长度为100mm；An elastic element (5) is arranged on one side of the open and closed suspension stretching rod, and the maximum stretching length is 100mm; 开闭合式悬挂拉伸杆的另一侧面，与所述弹力元件(5)对应的位置设有悬挂主体(4)，该悬挂主体(4)的顶端连接有用于悬挂在导线上的开口的弯钩(6)，弯钩(6)的底端连接有滑轮组件(7)。On the other side of the open-close type suspension stretch rod, a suspension body (4) is provided at the position corresponding to the elastic element (5), and the top end of the suspension body (4) is connected with an opening for hanging on the wire. The hook (6) is connected with a pulley assembly (7) at the bottom end of the hook (6). 2.根据权利要求1所述的500kV输电线路带电作业快捷悬挂装置，其特征在于：所述连接架(2)设于挂点(1)和开闭合式悬挂拉伸杆(3)之间，或连接架(2)设于弯钩(6)和滑轮组件(7)之间。2. The quick suspension device for live work of 500kV transmission lines according to claim 1, characterized in that: the connecting frame (2) is arranged between the hanging point (1) and the open and closed suspension stretching rod (3), Or the connecting frame (2) is arranged between the hook (6) and the pulley assembly (7). 3.根据权利要求1所述的500kV输电线路带电作业快捷悬挂装置，其特征在于：所述弯钩(6)内壁面接触导线的部位设有绝缘材质；所述弯钩(6)的直径为50-70mm。3. The fast suspending device for live work of 500kV transmission line according to claim 1, characterized in that: the part where the inner wall surface of the hook (6) contacts the wire is provided with an insulating material; the diameter of the hook (6) is 50-70mm. 4.根据权利要求1所述的500kV输电线路带电作业快捷悬挂装置，其特征在于：弹力元件(5)的顶端固定于开闭合式悬挂拉伸杆(3)的上方，弹力元件(5)的底端固定于滑板(8)，滑板(8)在开闭合式悬挂拉伸杆(3)的下方可上下滑动。4. The quick suspension device for live work of 500kV transmission line according to claim 1, characterized in that: the top end of the elastic element (5) is fixed on the top of the open and closed suspension stretch rod (3), and the The bottom end is fixed on the sliding plate (8), and the sliding plate (8) can slide up and down under the open and closed suspension stretching rod (3). 5.根据权利要求1所述的500kV输电线路带电作业快捷悬挂装置，其特征在于：该悬挂装置整体长为300-400mm，宽为260-350mm；所述悬挂装置采用玻璃钢材质。5. The quick suspension device for live work of 500kV transmission line according to claim 1, characterized in that: the overall length of the suspension device is 300-400mm, and the width is 260-350mm; the suspension device is made of glass fiber reinforced plastic. 6.根据权利要求1所述的500kV输电线路带电作业快捷悬挂装置，其特征在于：所述悬挂装置的底部两端分别设有滑轮，其中一端滑轮用于贯穿升降机绳，另一端滑轮用于贯穿作业人员的保护绳；此两个滑轮的材质和承重相同，保持相对平衡。6. The quick suspension device for live work of 500kV transmission lines according to claim 1, wherein the bottom ends of the suspension device are respectively provided with pulleys, wherein one end of the pulley is used to penetrate the lift rope, and the other end of the pulley is used to penetrate the elevator rope. Operator's protection rope; the two pulleys are made of the same material and load-bearing to maintain relative balance. 7.一种如权利要求1所述的500kV输电线路带电作业快捷悬挂装置的操作方法，其特征在于：将悬挂装置的挂点连接无人机，遥控无人机起飞带动悬挂装置至导线位置，弹力元件(5)受重向下拉伸，导线从弯钩(6)的开口处进入弯钩(6)内；当弯钩(6)挂于导线上时，弹力元件(5)卸重回归原始状态，此时开闭合式悬挂拉伸杆(3)受自重沿滑板(8)向下滑落，开闭合式悬挂拉伸杆(3)与弯钩(6)的开口形成闭合，使本装置悬挂在导线上形成自锁，完成挂接，挂点(1)与无人机脱开连接，无人机返回地面，弯钩(6)内壁面接触导线部位的绝缘材质具有防滑性能，使悬挂装置不移动和不脱落，作业人员安坐于升降机的座板上并系好安全带和保护绳，该座板通过升降机绳连接一侧滑轮，另一侧滑轮贯穿保护绳，并且给予配重；使两侧滑轮承载重量相等；作业人员调整升降机上升，升至导线适当位置后挂接安全带后背保护绳进行作业，此方法能够提高作业人员在导线上作业的方便快捷性、安全性。7. an operation method of a 500kV power transmission line live operation quick suspension device as claimed in claim 1, is characterized in that: the hanging point of the suspension device is connected to the unmanned aerial vehicle, and the remote control unmanned aerial vehicle takes off and drives the suspension device to the wire position, The elastic element (5) is pulled down under the weight, and the wire enters the hook (6) from the opening of the hook (6); when the hook (6) is hung on the wire, the elastic element (5) is unloaded and returns In the original state, the open and closed suspension stretch rod (3) slides down along the slide plate (8) under its own weight, and the open and closed suspension stretch rod (3) and the opening of the hook (6) are closed, so that the device Hanging on the wire to form self-locking, the hooking is completed, the hanging point (1) is disconnected from the UAV, the UAV returns to the ground, and the insulating material on the inner wall surface of the hook (6) that contacts the wire has anti-skid properties, making the suspension The device does not move or fall off. The operator sits on the seat plate of the elevator and fastens the safety belt and protective rope. The seat plate is connected to the pulley on one side through the elevator rope, and the pulley on the other side penetrates the protective rope and gives counterweight; The weights of the pulleys on both sides are equal; the operator adjusts the lift to rise, and then hooks up the safety belt and the back protection rope to operate after rising to the proper position of the wire. This method can improve the convenience, speed and safety of the operator's work on the wire.
CN202110713666.1A 2021-06-25 2021-06-25 500kV power transmission line live working quick suspension device and operation method Pending CN113488912A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116674750A (en) * 2023-06-02 2023-09-01 国网山东省电力公司莱芜供电公司 An unmanned aerial vehicle connection rope device, system and method of use thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201478735U (en) * 2009-09-10 2010-05-19 河南省电力公司平顶山供电公司 Automatic sealing somersault block
CN104836164A (en) * 2015-06-03 2015-08-12 国网冀北电力有限公司唐山供电公司 Rope ladder climbing combined safety protection tool for preventing high-altitude falling
CN105390986A (en) * 2015-12-02 2016-03-09 国网内蒙古东部电力有限公司检修分公司 Suspension device of insulated hanging ladder
CN206148845U (en) * 2016-10-31 2017-05-03 国网湖南省电力公司带电作业中心 Somersault coaster for power transmission line live working
CN107394675A (en) * 2017-09-13 2017-11-24 国网辽宁省电力有限公司鞍山供电公司 Discharging method is hung in a kind of terrestrial operation for self-locking coaster of sealing up a door
CN215343674U (en) * 2021-06-25 2021-12-28 国网辽宁省电力有限公司检修分公司 500kV transmission line live working quick suspension device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201478735U (en) * 2009-09-10 2010-05-19 河南省电力公司平顶山供电公司 Automatic sealing somersault block
CN104836164A (en) * 2015-06-03 2015-08-12 国网冀北电力有限公司唐山供电公司 Rope ladder climbing combined safety protection tool for preventing high-altitude falling
CN105390986A (en) * 2015-12-02 2016-03-09 国网内蒙古东部电力有限公司检修分公司 Suspension device of insulated hanging ladder
CN206148845U (en) * 2016-10-31 2017-05-03 国网湖南省电力公司带电作业中心 Somersault coaster for power transmission line live working
CN107394675A (en) * 2017-09-13 2017-11-24 国网辽宁省电力有限公司鞍山供电公司 Discharging method is hung in a kind of terrestrial operation for self-locking coaster of sealing up a door
CN215343674U (en) * 2021-06-25 2021-12-28 国网辽宁省电力有限公司检修分公司 500kV transmission line live working quick suspension device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116674750A (en) * 2023-06-02 2023-09-01 国网山东省电力公司莱芜供电公司 An unmanned aerial vehicle connection rope device, system and method of use thereof

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Application publication date: 20211008