CN215343674U - 500kV transmission line live working quick suspension device - Google Patents
500kV transmission line live working quick suspension device Download PDFInfo
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- CN215343674U CN215343674U CN202121429507.0U CN202121429507U CN215343674U CN 215343674 U CN215343674 U CN 215343674U CN 202121429507 U CN202121429507 U CN 202121429507U CN 215343674 U CN215343674 U CN 215343674U
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Abstract
500kV输电线路带电作业快捷悬挂装置，该装置的顶端设有用于连接无人机的挂点，挂点的底端连接悬挂机构；悬挂机构包括连接架和悬挂主体；开闭合式悬挂拉伸杆的一侧面设有弹力元件，最大拉伸长度为100mm；开闭合式悬挂拉伸杆的另一侧面，与所述弹力元件对应的位置设有悬挂主体，该悬挂主体的顶端连接有用于悬挂在导线上的开口的弯钩，弯钩的底端连接有滑轮组件。所述连接架设于挂点和开闭合式悬挂拉伸杆之间，或连接架设于弯钩和滑轮组件之间。
A quick suspension device for live operation of 500kV transmission lines, the top of the device is provided with a hanging point for connecting the drone, and the bottom end of the hanging point is connected to the suspension mechanism; the suspension mechanism includes a connecting frame and a suspension main body; There is an elastic element on one side, and the maximum stretching length is 100mm; on the other side of the open-closed suspension stretch rod, a suspension main body is arranged at the position corresponding to the elastic element, and the top of the suspension main body is connected with a wire for hanging on the wire. There is an open hook on the hook, and the bottom end of the hook is connected with a pulley assembly. The connection is erected between the hanging point and the open and closed suspension stretch rod, or between the hook and the pulley assembly.
Description
Technical Field
The utility model belongs to the technical field of live-line work of high-voltage circuits, and particularly relates to a 500kV transmission line live-line work quick suspension device.
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.
SUMMERY OF THE UTILITY MODEL
Purpose of the utility model
The utility model provides a quick suspension device for live working, which is safe, light and convenient, reduces the labor intensity of workers, and saves time and labor.
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 utility model provides a suspension device which can be quickly hung on a ground wire of a power transmission line and can 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 of the device can be quickly carried out when live working personnel enter an electric field equipotential, and the device is light, convenient and fast to operate, safe, reliable and high 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 utility model 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 (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121429507.0U CN215343674U (en) | 2021-06-25 | 2021-06-25 | 500kV transmission line live working quick suspension device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121429507.0U CN215343674U (en) | 2021-06-25 | 2021-06-25 | 500kV transmission line live working quick suspension device |
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| Publication Number | Publication Date |
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| CN215343674U true CN215343674U (en) | 2021-12-28 |
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| CN202121429507.0U Active CN215343674U (en) | 2021-06-25 | 2021-06-25 | 500kV transmission line live working quick suspension device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488912A (en) * | 2021-06-25 | 2021-10-08 | 国网辽宁省电力有限公司检修分公司 | 500kV power transmission line live working quick suspension device and operation method |
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2021
- 2021-06-25 CN CN202121429507.0U patent/CN215343674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488912A (en) * | 2021-06-25 | 2021-10-08 | 国网辽宁省电力有限公司检修分公司 | 500kV power transmission line live working quick suspension device and operation method |
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