CN113675770B - Distribution network hot-line work quick replacement isolating switch, link control auxiliary device and method - Google Patents

Abstract

The invention discloses a distribution network hot-line work quick replacement isolating switch, line connector auxiliary device and method, which comprise a main insulating plate, a drainage line end head fixer, a cross arm clamp fixer and an upper insulating plate, wherein one end of the upper insulating plate is fixedly connected to the upper end of the main insulating plate, the other end of the upper insulating plate is fixedly connected with the drainage line end head fixer, the cross arm clamp fixer is fixedly connected to the middle part of the main insulating plate, and the drainage line end head fixer is used for connecting with a drainage line end head. The tool can realize the safe storage and fixation of the live end of the drainage wire during the replacement, the insulation shielding and the replacement operation are all stopped at the installation cross arm layer, the purposes of reducing movement and shielding are achieved, the workload is reduced to the maximum extent, the installation arrangement is reduced, the tool is used, the operation time is reduced, the safety and the efficiency are greatly improved, and the abrasion and the environment-friendly operation are reduced.

Description

Distribution network hot-line work quick replacement isolating switch, link control auxiliary device and method

Technical Field

The invention relates to a distribution network live working quick replacement isolating switch, a link control auxiliary device and a distribution network live working quick replacement isolating switch and link control auxiliary method, and belongs to the technical field of live working replacement equipment.

Background

The electric power is indispensable energy for production and life of human society, depends on the basis of living materials, and has important power supply responsibility without interruption, safety and reliability. The drop fuse and the isolating switch are operated frequently in the power distribution network, and are influenced by load, weather and dust, so that the failure probability is high.

The problems existing in the assembly and disassembly of the drop fuse and the isolating switch are analyzed and summarized as follows:

1. low working efficiency

The analysis finds that a large amount of time is consumed by using a large amount of insulation shielding tools, the distribution network live-line work insulation shielding work is equivalent to the important work of power failure, electricity testing and ground wire hanging in the work of power failure work, and must be strictly executed, and the analysis finds that the replacing work steps have 19 steps:

01 For the replacement token, the knife switch adjacent to the charged body, and the grounding body to be insulated and shielded;

02 Shielding the insulating bucket adjacent to the moving path of the charged body in an insulating way;

03 Removing the end of the charged drainage wire;

04 Insulation wrapping the end of the live-wire drainage wire;

05 An operator holds the live drain wire tip;

06 Operating an insulating bucket to approach the phase conductor and hand-carrying a live drain;

07 Binding the live end on the main line of the lead by using an insulating rope;

08 Insulating and shielding the bound charged end;

09 Operating the insulation bucket to return to the place where the line and the knife switch are replaced;

10 Replacement of line and knife switch;

11 Operating the insulating bucket to be close to the temporary binding position of the charged drainage wire;

12 Open the live termination insulation shield;

13 Unfastening the temporarily bound live ends;

14 An operator holds the live drain wire tip;

15 Operating the insulating bucket to return to the place where the link and the disconnecting link are replaced, and carrying the charged drainage wire by hand;

16 Completing the bolt fastening work of the charged end head and the Xinhuike switch and the disconnecting link;

17 Recovering the insulation shielding of the charged portion;

18 Removing the insulation shield of the motion path of the insulation bucket;

19 Remove and replace the knife switch, the adjacent charged body of the knife switch, and the grounding body for insulation shielding.

2. The insulating shielding tool has large usage amount and heavy weight

The relevant insulation shield was precision weighed and after the summary was found to carry 37.11 kg of relevant work, as shown in the table below:

safety shielding tool for replacing one group of drop fuse and isolating switch

Insulating blanket	12 pieces of X1.31 kg =15.72 kg
		Insulating blanket clamp	24X 0.11 kg =2.64 kg
Drainage pipe	6X 0.69 kg =4.14 kg
		Conduit (0.9 meter)	3X 1.71 kg =5.13 kg
Conduit (1.8 meter)	3X 3.16 kg =9.48 kg

3. The whole using process of the insulating appliance is not saved, and the abrasion risk exists.

Meanwhile, a large amount of time, manpower and material resources are consumed for a large amount of use from warehouse-out, transportation, carrying, use and warehousing, and the insulation tools can be damaged and scrapped due to frequent use.

4. High-altitude operation is not efficient, and electric shock risks exist.

The number of actions and the track of the insulating bucket in the air are analyzed, and the following results are found: the insulating bucket theoretically moves about 60 meters aloft from insulating shielding to replacing operation to insulating dismantling in the air, and moves at a position with dense charged bodies, so that the efficiency is low, and the safety risk is high.

5. The operation time is long, the fuel consumption of the vehicle is large, and the energy is not saved and the environment is not protected.

Distribution network live working is in work, and insulating arm car must not shut down according to the regulation, and the purpose is that the pressure of the whole insulating arm of guarantee normally works, prevents consequently that the mechanical fault that causes, collision, personnel electrocute, maloperation, height weigh down the scheduling problem. The whole replacing operation needs about 1.2 hours, and the long-time engine does not stop working, so that the abrasion of the vehicle is increased, and the large consumption of fuel is not economical and environment-friendly.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a join in marriage net live working quick replacement isolator, order gram auxiliary device and method, reduces insulating shielding apparatus, reduces aerial working distance and reduces the activity duration, reaches the purpose that improves safety, promotion efficiency, reduce wearing and tearing, environmental protection operation through "three reduction" to solve the problem that exists among the above-mentioned prior art.

The technical scheme adopted by the invention is as follows: the utility model provides a join in marriage net live working quick replacement isolator, order gram auxiliary device, includes main insulation board, drainage line terminal fixer, cross arm clamping fixer and goes up the insulation board, goes up insulation board one end fixed connection in main insulation board upper end, goes up insulation board other end fixed connection drainage line terminal fixer, cross arm clamping fixer fixed connection is in main insulation board middle part, and drainage line terminal is used for connecting the drainage line terminal to the drainage line terminal fixer.

Preferably, above-mentioned drainage line terminal fixer includes the bayonet socket one of horizontal U-shaped, bracing piece and lower kelly, a bayonet socket upside free end length is less than downside free end length, a bayonet socket upside free end swivelling joint has the bracing piece, the downside free end that upside free end tip corresponds is provided with the recess, recess lateral wall department swivelling joint has lower kelly, the bracing piece is provided with torsional spring one and torsional spring two with lower kelly swivelling joint respectively, can block down kelly upper end inboard by the card after the bracing piece is rotatory, can let the bracing piece keep the level under the torsional spring one free state, can let the kelly keep perpendicular under the torsional spring two free state.

Preferably, a T-shaped groove facing the outer side surface of the lower clamping rod is formed in the outer side of the groove, and the T-shaped groove is movably connected to an inverted T-shaped strip at the bottom of the sliding block.

Preferably, the upper insulating plate is provided with a strip-shaped hole at a position where the upper insulating plate is connected with the main insulating plate, and the end part of the upper insulating plate penetrates through the strip-shaped hole through the positioning knob to be spirally and fixedly connected with the main insulating plate.

Preferably, the cross arm clamping fixer comprises a horizontal insulating plate, a metal clamping head and a rotary cam pressing rod, the metal clamping head is fixedly connected to the end of the insulating plate, the metal clamping head is provided with a horizontal U-shaped clamping opening II, and the free end of the upper side of the clamping opening II is rotatably connected with the cam part of the rotary cam pressing rod.

Preferably, a rubber pad is arranged on the upper side surface of the free end of the upper side of the second bayonet.

Preferably, the horizontal insulating plate is hinged to the main insulating plate through a hinge shaft and fastened through a bolt, the through hole in the main insulating plate connected through the bolt is a waist-shaped hole, and the circle centers of two arc-shaped surfaces of the waist-shaped hole are located on the axis of the hinge shaft.

An operation method for a distribution network hot-line work quick replacement isolating switch and a link control auxiliary device comprises the following steps:

(1) The current collector, the knife switch adjacent to the charged body and the grounding body which need to be replaced are shielded in an insulating way;

(2) Installing a cross arm clamp fixer of an auxiliary device on a cross arm at a set position at one side of a link and a disconnecting link which need to be replaced;

(3) Taking down the ends of the live drainage wires on the sinker and the knife switch;

(4) Mounting the end of the electrified drainage wire on a drainage wire end fixer of an auxiliary device;

(5) Insulating and shielding the end of the live drainage wire of the auxiliary device;

(6) Changing the link and the knife switch;

(7) Opening the end insulation shield of the live-line drainage wire of the auxiliary device;

(8) Taking out the end of the live drainage wire from the end fixer of the drainage wire, moving the end to a new line connector and a knife switch, and fastening the bolts;

(9) Recovering the insulation shielding of the charged part;

(10) The replacement is removed, and the knife switch, the adjacent charged body and the grounding body are shielded in an insulating way.

The invention has the beneficial effects that: compared with the prior art, the invention has the following effects:

(1) The tool can realize safe storage and fixation of the live end of the drainage wire during replacement, and insulating shielding and replacement operations are stopped on the installation cross arm layer, so that the purposes of reducing movement and shielding are achieved, and the workload is reduced to the maximum extent, so that the installation arrangement, the tool usage and the operation time are reduced, the safety and the efficiency are greatly improved, and the abrasion and the environment-friendly operation are reduced;

(2) The drainage wire end fixing device structure realizes the clamping of the end of the drainage wire without a tool, realizes the quick joint, fixation, detachment and separation of the bayonet and the drainage wire, and has higher working efficiency;

(3) The cross arm clamping fixer structure realizes a tool-free clamping cross arm mechanism, realizes quick joint fixation, dismounting and separation of a tool base and a cross arm, and has higher working efficiency;

(4) The upper insulating plate is matched with the positioning knob through the strip-shaped through hole to realize the expansion and the angle adjustment of the upper insulating plate, and the upper insulating plate is matched with the positioning knob (an adjusting bolt) to finish the extension and the shortening so as to meet the reliable connection of long and short drainage wires; the angle of the upper insulating plate is adjusted, so that the angle of the drainage wire end head fixer can be freely changed, and the drainage wires with different angles can be freely and flexibly mounted;

drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of the present invention mounted to a cross arm;

FIG. 3 is a schematic view of another perspective view of the present invention mounted to a cross arm;

FIG. 4 is a schematic perspective view of the present invention mounted beside a disconnecting switch to be replaced;

FIG. 5 is a schematic side view of the upper insulating plate of the present invention in a shortened state;

FIG. 6 is a schematic side view of the upper insulating plate according to the present invention in a rotated state;

FIG. 7 is a schematic side view of a drainage wire tip holder;

FIG. 8 is a schematic view of a slider joint;

FIG. 9 is a schematic view of the steps of mounting a terminal of a drainage wire by the drainage wire terminal fixture;

FIG. 10 is a schematic view of the step of removing the end of a guidewire from the end of a guidewire holder;

FIG. 11 is a side view of the cross arm clip retainer;

FIG. 12 is a schematic view of the step of mounting the cross arm clip retainer to the cross arm;

FIG. 13 is a schematic illustration of a step of removing the cross arm clip retainer from the cross arm.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Example 1: as shown in fig. 1-13, a join in marriage net live working quick replacement isolator, order gram auxiliary device, including main insulating plate 1, drainage line terminal fixer 2, cross arm clip fixer 3 and upper insulation board 4 that epoxy made, 4 one ends fixed connection of upper insulation board are in main insulating plate 1 upper end, 4 other ends fixed connection drainage line terminal fixer 2 of upper insulation board, 3 fixed connection of cross arm clip fixer in main insulating plate 1 middle part, drainage line terminal fixer 2 is used for connecting the drainage line terminal, cross arm clip fixer 3 is used for the joint to cross arm 7 on.

Preferably, the drainage wire end fixing device 2 comprises a horizontal U-shaped bayonet I201, a supporting rod 202 and a lower clamping rod 203, the length of the upper free end of the bayonet I201 is smaller than that of the lower free end, the upper free end of the bayonet I201 is rotatably connected with the supporting rod 202, the lower free end corresponding to the end part of the upper free end is provided with a groove 204, the outer side wall of the groove 204 is rotatably connected with the lower clamping rod 203, the rotating parts of the supporting rod 202 and the lower clamping rod 203 are respectively provided with a first torsion spring 205 and a second torsion spring 206, the supporting rod 202 can be clamped into the inner side of the upper end of the lower clamping rod 203 after rotating, the supporting rod 202 can be kept horizontal in the free state of the first torsion spring 205, the lower clamping rod 203 can be kept vertical in the free state of the second torsion spring 206, the drainage wire end fixing device structure realizes the clamping of the drainage wire end without tools, and realizes the quick joint fixing and the detachment of the bayonet and the drainage wire, and has higher working efficiency; the outside of the groove 204 is provided with a T-shaped groove 207 facing the outer side surface of the lower clamping rod 203, the T-shaped groove 207 is movably connected to an inverted T-shaped strip 209 at the bottom of the sliding block 208, the lower side of the free end of the supporting rod 202 is of an arc structure, the right side of the upper end of the lower clamping rod 203 is of an arc structure, the sliding block is pushed, the lower clamping rod can be rotated, so that the lower clamping rod is pulled out and restored to a horizontal position, and the steps of assembling, disassembling and using the drainage wire end head fixator are shown in fig. 9-10.

Preferably, the above-mentioned upper insulation board 4 is connected main insulation board 1 department and is provided with bar hole 5, and 4 tip of upper insulation board pass 5 spiral fixed connection in main insulation board 1 in bar hole through location knob 6, can realize the angular adjustment and the length adjustment of upper insulation board, adjust convenient and fast, adapt to different application scenario to satisfy the installation of different angle drainage lines.

Preferably, the cross arm clip fixer 3 comprises a horizontal insulating plate 301, a metal clip head 302 and a rotary cam pressing rod 303, the metal clip head 302 is fixedly connected to the end of the insulating plate 301, the metal clip head 302 is provided with a horizontal U-shaped bayonet II 304, the upper free end of the bayonet II 304 is rotatably connected with a cam part of the rotary cam pressing rod 303 through a rotating shaft 308, and the U-shaped bayonet angle steel and a matching cam are adopted for locking, so that the cross arm clip fixer can be quickly assembled and disassembled, and the assembling and disassembling using steps of the cross arm clip fixer are shown in fig. 12-13.

Preferably, a rubber pad 305 is disposed on the upper side surface of the upper free end of the second bayonet 304, so that the friction force and the clamping stability of the clamping surface can be improved.

Preferably, above-mentioned horizontal insulation board 301 articulates to main insulation board 1 through articulated shaft 306 and fastens through bolt 307, and the through-hole on the main insulation board 1 that bolt 307 connects is waist shape hole (not shown in the figure), and the centre of a circle of two arcwall faces in waist shape hole is located the axis of articulated shaft 306, can realize that main insulation board carries out angular adjustment around horizontal insulation board, adjusts convenient and fast, realizes different inclination's regulation.

The use principle is as follows: after the space for replacing the knife switch and the knife switch is properly operated; strictly insulating and shielding the grounding body and the charged body according to the operation requirement; the auxiliary device is arranged on a cross arm at a proper position of a connector and a disconnecting link which need to be replaced, 30CM is arranged on one side of the disconnecting link, the end head of the drainage wire of the disassembled live pile head is movably arranged on an upper lead pile head (a drainage wire end head fixer) of the auxiliary device, and an insulating blanket and an insulating pipe are used for completing insulating shielding work; after the replacement is finished, the insulation shield on the auxiliary device is opened to move the end of the live lead to a new packing gram and a new disconnecting link, and the same actions are repeated to finish the replacement of other items.

Example 2: an operation method for a distribution network hot-line work quick replacement isolating switch and a link auxiliary device comprises the following steps:

(1) The connector, the disconnecting link and the adjacent charged body are shielded in an insulating way;

(2) Installing a cross arm clamping fixer of an auxiliary device on a cross arm at a set position at one side of a link and a disconnecting link which need to be replaced;

(3) Taking down the ends of the live drainage wires on the sinker and the knife switch;

(4) Mounting the end of the electrified drainage wire on a drainage wire end fixer of an auxiliary device;

(5) Insulating and shielding the end of the live drainage wire of the auxiliary device;

(6) Changing the link and the knife switch;

(7) Opening the end insulation shield of the live drainage wire of the auxiliary device;

(8) Taking out the end of the electrified drainage wire from the end fixer of the drainage wire, moving and installing the end to a new connector and a disconnecting link for bolt fastening;

(9) Recovering the insulation shielding of the charged part;

(10) The replacement is removed, and the knife switch, the adjacent charged body and the grounding body are shielded in an insulating way.

The invention achieves the purpose that the working steps are reduced from 19 steps to 10 steps because the working layer is always arranged on the cross arm mounting layer.

The invention has the following advantages:

1. the insulation shield is carried with less weight and lighter weight.

The conventional method is to carry 37.11 kilograms of insulated shielding tools, the invention is to carry 12.78 kilograms of insulated shielding tools (shown in a table below), so that the small tools for fast replacing the gram and the isolating switch can reduce the insulation of 24.33 kilograms, and the carrying amount of the shielding tools is reduced by 66 percent.

Innovative method for replacing safety shielding tool carried by one group of drop-out fuse and isolating switch

Insulating blanket	7 pieces of X1.31 kg =9.17 kg
		Insulating blanket clamp	14X 0.11 kg =1.54 kg
Drainage pipe	3X 0.69 kg =2.07 kg
		Conduit (0.9 meter)	0X 1.71 kg =0 kg
Conduit (1.8 meter)	0X 3.16 kg =0 kg

2. The air work moving distance is shorter.

The frequency and the track of actions of the insulating bucket in the air are analyzed: the related operation is reduced from 60 meters to 2 meters by 58 meters, and the moving efficiency is improved by 96%.

3. The operating efficiency is greatly improved.

The overall procedure and efficiency were analyzed: the operation steps are reduced to 10 steps from 19 steps, the conventional 1.2 hours is reduced to only 0.58 hour, and the efficiency is improved by 51 percent.

4. The operation safety is improved.

The movement at a dense electrified position is eliminated, and the operation safety is improved.

5. The operation is more energy-saving and emission-reducing, and green and environment-friendly.

The whole operation reduces the working time of the engine by nearly one hour, saves energy, reduces emission, is green and environment-friendly, reduces the fuel consumption by nearly 200 yuan and the vehicle abrasion, and creates better economic value.

6. Reduce the abrasion of the insulating shielding tool and save more.

Scientifically and reasonably reduces insulation shielding in work and is the best love for insulating tools.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims (7)

1. The utility model provides a join in marriage net live working quick replacement isolator, order gram auxiliary device which characterized in that: the drainage wire end fixing device comprises a main insulating plate (1), a drainage wire end fixing device (2), a cross arm clamp fixing device (3) and an upper insulating plate (4), wherein one end of the upper insulating plate (4) is fixedly connected to the upper end of the main insulating plate (1), the other end of the upper insulating plate (4) is fixedly connected with the drainage wire end fixing device (2), the cross arm clamp fixing device (3) is fixedly connected to the middle of the main insulating plate (1), and the drainage wire end fixing device (2) is used for connecting the end of a drainage wire; drainage line end of a thread holder fixer (2) is including bayonet socket one (201) of horizontal U-shaped, bracing piece (202) and lower kelly (203), bayonet socket one (201) upside free end length is less than downside free end length, bayonet socket one (201) upside free end swivelling joint has bracing piece (202), the downside free end that upside free end tip corresponds is provided with recess (204), recess (204) lateral wall department swivelling joint has lower kelly (203), bracing piece (202) and lower kelly (203) swivelling point do not are provided with torsional spring one (205) and torsional spring two (206), bracing piece (202) can block into lower kelly (203) upper end inboard after the rotation.

2. The distribution network live working quick replacement isolating switch and link assisting device of claim 1, characterized in that: a T-shaped groove (207) which is right opposite to the outer side face of the lower clamping rod (203) is formed in the outer side of the groove (204), and the T-shaped groove (207) is movably connected to an inverted T-shaped strip (209) at the bottom of the sliding block (208).

3. The distribution network live working quick replacement isolating switch and link assisting device of claim 1, characterized in that: a strip-shaped hole (5) is formed in the position where the upper insulating plate (4) is connected with the main insulating plate (1), and the end of the upper insulating plate (4) penetrates through the strip-shaped hole (5) through a positioning knob (6) to be spirally and fixedly connected with the main insulating plate (1).

4. The distribution network live working quick replacement isolating switch and link assisting device of claim 1, characterized in that: the cross arm clamping fixer (3) comprises a horizontal insulating plate (301), a metal clamping mouth head (302) and a rotary cam compression rod (303), wherein the metal clamping mouth head (302) is fixedly connected to the end part of the insulating plate (301), the metal clamping mouth head (302) is provided with a horizontal U-shaped bayonet II (304), and the free end of the upper side of the bayonet II (304) is rotatably connected with a cam part of the rotary cam compression rod (303).

5. The distribution network live working quick replacement isolating switch and link assisting device of claim 4, wherein the distribution network live working quick replacement isolating switch and the link assisting device are characterized in that: a rubber pad (305) is arranged on the upper side surface of the free end of the upper side of the second bayonet (304).

6. The distribution network hot-line work quick-change isolating switch and link auxiliary device of claim 4, wherein: the horizontal insulating plate (301) is hinged to the main insulating plate (1) through a hinge shaft (306) and fastened through a bolt (307), a through hole in the main insulating plate (1) connected through the bolt (307) is a waist-shaped hole, and the circle centers of two arc-shaped surfaces of the waist-shaped hole are located on the axis of the hinge shaft (306).

7. The operation method of the distribution network hot-line work quick-change isolating switch and link assistant device according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:

(1) The connector, the disconnecting link and the adjacent charged body are shielded in an insulating way;

(2) Installing a cross arm clamping fixer of an auxiliary device on a cross arm at a set position at one side of a link and a disconnecting link which need to be replaced;

(3) Taking down the ends of the live drainage wires on the sinker and the knife switch;

(4) Mounting the end of the electrified drainage wire on a drainage wire end fixer of an auxiliary device;

(5) Insulating and shielding the end of the live drainage wire of the auxiliary device;

(6) Changing the link and the knife switch;

(7) Opening the end insulation shield of the live-line drainage wire of the auxiliary device;

(8) Taking out the end of the electrified drainage wire from the end fixer of the drainage wire, moving and installing the end to a new connector and a disconnecting link for bolt fastening;

(9) Recovering the insulation shielding of the charged part;

(10) The replacement is removed, and the knife switch, the adjacent charged body and the grounding body are shielded in an insulating way.

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