CN210898238U

CN210898238U - Disconnecting switch overhauling device

Info

Publication number: CN210898238U
Application number: CN201921980945.9U
Authority: CN
Inventors: 蔡雁南; 邱祥松; 沈林
Original assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2019-11-17
Filing date: 2019-11-17
Publication date: 2020-06-30
Anticipated expiration: 2029-11-17

Abstract

The utility model discloses an isolating switch maintenance device, which comprises a bracket I, a transition connecting piece I and a transition connecting piece II, wherein the transition connecting piece II is a rotatable base, the transition connecting piece I and the transition connecting piece II are fixed on the bracket I, and the bracket I is fixed on the ground; this device simple structure, safe and reliable reduce the work injury, greatly improve on-the-spot work efficiency, still very big maintenance time that has shortened when using manpower and materials sparingly, only need two people to accomplish the disintegration of three-phase and overhaul debugging work one day after using this device.

Description

Disconnecting switch overhauling device

Technical Field

The utility model relates to an isolator overhauls device belongs to power equipment technical field.

Background

Most of isolating switches with voltage levels of 220kV and above in the existing power system are horizontally telescopic and vertically telescopic isolating switches, and most of 110kV isolating switches are horizontally telescopic and vertically telescopic isolating switches. After isolator disintegration work develops many times, it is lower and have very big safety risk to discover that the work efficiency of disintegrating under the condition of on-the-spot no other auxiliary tool utensil, especially the isolator of 220kV and above voltage class is longer because of its electrically conductive arm, weight is great, each item disintegration work is all extremely inconvenient, and unable analog device divide-shut brake action, it needs four at least people to participate in three days to overhaul a looks 500kV isolator work and just can accomplish to disintegrate, it collides with the damage isolator to very easily take place in the work progress, personnel also have the risk of taking place the eminence and fall, all have very big hidden danger to personnel and equipment ann.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an isolating switch maintenance device which is suitable for the operations of opening and closing tests, debugging of the isolating switch, disassembling the isolating switch and the like; this device includes support I, transition piece II, and wherein transition piece II is rotatable base, and transition piece I, transition piece II are fixed on support I, and support I is fixed subaerial.

The transition connecting piece I is an I-shaped wheel base.

The transition connecting piece II comprises a fixed disc, a limiting bolt hole, a limiting bolt, a fixed screw hole, a limiting hole, a switching-on/off adjusting handle, a rotating disc, a rotating shaft and a bearing; the fixed disk is fixed on support I, and 2 bearing inner rings are fixed respectively on both ends on the dead lever on the fixed disk, and the rotary disk is fixed on the top of pivot, and pivot bottom and rotary disk suit are fixed respectively on 2 bearing outer rings, and divide-shut brake adjustment handle fixes in pivot one side, and spacing keyhole setting is on the pivot lower extreme, and a plurality of spacing holes are opened on the fixed disk and are located pivot one side, and spacing bolt setting is at spacing keyhole and is used for fixed rotary disk position with spacing hole cooperation.

The rotating disc is provided with a plurality of fixing screw holes.

The utility model discloses the device still is supporting has the placer that is used for electrically conductive arm cleanness, dismouting, and it includes support II, 2 electrically conductive arm support frames, electrically conductive arm fixed hook, adjusting screw, and 2 electrically conductive arm support frame symmetries are fixed on support II, and electrically conductive arm fixed hook passes through adjusting screw and sets up on support II and lie in between 2 electrically conductive arm support frames.

The adjusting screw comprises a screw and a sleeve, the bottom end of the screw is fixed on the support II, the lower end of the sleeve is in threaded connection with the upper end of the screw, the conductive arm fixing hook is fixed at the upper end of the sleeve, and a handle is arranged on the sleeve.

Electrically conductive arm support frame includes the support body and fixes 2U type supporting parts at the support body top, and 2U type supporting parts symmetry are fixed in support body top both sides.

The conductive arm fixing hook is an arc-shaped fixing frame, and the arc-shaped surface is matched with the surface of the conductive arm.

The device has the advantages and the technical effects that:

1. the structure is simple; the operator can quickly know and master the use method, and part of the structure can be disassembled, so that the operator can conveniently take and store the product;

2. the safety and reliability are realized, and the working damage is reduced; the whole device moves the maintenance work of the isolating switch to the ground from a high position, thereby greatly reducing the operation risk;

3. the on-site working efficiency is greatly improved, manpower and material resources are saved, and meanwhile, the overhaul time is greatly shortened. Because the utility model discloses the device has moved isolator maintenance work to ground operation convenience more, safety by the eminence, and device application method is simple, does not have too much operating procedure, just can simulate isolator divide-shut brake action on ground, installs after the adjustment is accomplished again, and the damage phenomenon is collided with to the equipment that the eminence operation leads to can not appear, effectively improves work efficiency. Originally, need four at least people three days just can accomplish a looks 500kV isolator maintenance work smoothly, only need two people to accomplish the disintegration of three-phase and overhaul debugging work one day after using this device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor;

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

FIG. 2 is a schematic structural diagram of a transition piece II;

FIG. 3 is a schematic structural diagram of a placement device for cleaning and disassembling the conductive arm;

FIG. 4 is a schematic structural view of transition piece II;

in the figure: 1-bracket I; 2-a transition piece I; 3-transition piece II; 4-a conductive arm support; 5-conductive arm fixing hook; 6-adjusting a screw rod; 7-a stent holder; 8, fixing the disc; 9-limiting bolt holes; 10-fixing screw holes; 11-a limiting hole; 12-opening and closing brake adjusting handle; 13-rotating the disc; 14-fixing screw holes; 15-a rotating shaft; 16-a bearing; 17-scaffold ii; 18-a screw; 19-a sleeve; 20-fixing the rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited to the above description.

Example 1: as shown in fig. 1, 2 and 4, the disconnecting switch overhaul device comprises a support I1, a transition connecting piece I2 and a transition connecting piece II 3, wherein the transition connecting piece I2 is an I-shaped wheel base, and the transition connecting piece I2 is fixed on the support I1 through a bolt; the transition connecting piece II 3 is a rotatable base, and the transition connecting piece II 3 comprises a fixed disc 8, a limiting bolt hole 9, a limiting bolt, a fixed screw hole 10, a limiting hole 11, a switching-on/off adjusting handle 12, a rotating disc 13, a rotating shaft 15 and a bearing 16; fixed disk 8 is fixed on support I1, 2 bearing 16 inner rings are fixed respectively on both ends on the dead lever 20 on fixed disk 8, rotary disk 13 is fixed on the top of pivot 15, 15 bottom of pivot and rotary disk suit are fixed respectively on 2 bearing outer rings, divide closing adjusting handle 12 to fix in pivot 15 one side, spacing keyhole 9 sets up on 15 lower extremes of pivot, 6 spacing holes 11 are opened on fixed disk 8 and are located pivot 15 one side, spacing bolt sets up at spacing keyhole 9 and cooperate with spacing hole 11 and be used for fixed rotary disk position, fixed disk 8 passes through the bolt fastening on support I1, support I1 passes through support mounting 7 and bolt fastening subaerial, it has 5 fixed screw 14 to open on the rotary disk 13.

Example 2: as shown in fig. 3, the device of this embodiment has the same structure as that of embodiment 1, and is different from that of embodiment 1 in that the device further comprises a placing device for cleaning and disassembling the conductive arm, the placing device comprises a support ii 17, 2 conductive arm support frames 4, conductive arm fixing hooks 5 and an adjusting screw 6, the 2 conductive arm support frames 4 are symmetrically welded and fixed on the support ii 17, the adjusting screw 6 comprises a screw 18 and a sleeve 19, the bottom end of the screw 18 is fixed on the support ii 17 and located between the 2 conductive arm support frames 4, the lower end of the sleeve 19 is in threaded connection with the upper end of the screw 18, a handle is arranged on the sleeve, and the conductive arm fixing hooks 5 are fixed on the upper end; the conductive arm support frame 4 comprises a frame body and 2U-shaped support parts fixed on the top of the frame body, and the 2U-shaped support parts are symmetrically fixed on two sides of the top end of the frame body; the conductive arm fixing hook 5 is an arc-shaped fixing frame, and the arc-shaped surface is matched with the surface of the conductive arm.

The device is suitable for Alston SPV and SPO series and horizontal and vertical telescopic isolating switches in opening and closing tests when the conductive arm is disassembled; the isolating switch provides supporting force through the supporting porcelain insulator in the working state, and the rotating porcelain insulator rotates to drive the transmission mechanism at the position of the isolating switch base to enable the isolating switch to realize opening and closing in the switching-on and switching-off process. When the isolating switch is in an overhauling state, the isolating switch overhauling device is fixed to a firm cement ground through the expansion screw, and an isolating switch opening and closing test is carried out through the transition connecting piece I2 and the transition connecting piece II 3, wherein a base mounting hole of the isolating switch is mounted on the transition connecting piece I2 through a bolt, the transition connecting piece I2 simulates a post insulator to provide supporting force, and the isolating switch can be disassembled and assembled after being fixed; rotatable transition connection spare II 3 simulation rotatory vase is connected with isolator transmission part, and the action of opening and shutting of switch is simulated to rotary disk 13 through divide-shut brake adjusting handle 12 rotation transition connection spare II 3, and in order to adapt to the maintenance needs under the various condition simultaneously, puts into spacing bolt hole 9 with the spacing bolt and makes rotation transition connection spare II 3 unable rotation, just can keep the isolator state at the divide-shut brake position of a certain convenient operation.

Carrying out further dismouting to the electrically conductive arm that gets off dismantled, when overhauing, rotate adjusting screw 6, make electrically conductive arm fixed hook 5 along with the extension of screw rod and rebound, put electrically conductive arm on 2 electrically conductive arm support frames, rotate adjusting screw 6 again and make electrically conductive arm fixed hook 5 along with shortening of adjusting screw 6 and downstream, provide the power of pressing from both sides tight electrically conductive arm with electrically conductive arm support frame 4 together, fix electrically conductive arm, just can carry out the outside to electrically conductive arm clean, lubricate, the inspection, carry out further dismouting, change accessories etc., save a large amount of manpowers, very big reduction operation risk.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a isolator overhauls device which characterized in that: including support I (1), transition piece I (2), transition piece II (3), wherein transition piece II (3) are rotatable base, and transition piece I (2), transition piece II (3) are fixed on support I (1), and support I (1) is fixed subaerial.

2. The isolator service apparatus of claim 1, wherein: the transition connecting piece I (2) is an I-shaped wheel base.

3. The isolator service apparatus of claim 1, wherein: the transition connecting piece II (3) comprises a fixed disc (8), a limiting bolt hole (9), a limiting bolt, a fixed screw hole (10), a limiting hole (11), a switching-on/off adjusting handle (12), a rotating disc (13), a rotating shaft (15) and a bearing (16); fixed disk (8) are fixed on support I (1), 2 bearing (16) inner rings are fixed respectively on both ends on dead lever (20) on fixed disk (8), rotary disk (13) are fixed on the top of pivot (15), pivot (15) bottom and rotary disk suit are fixed respectively on 2 bearing outer rings, divide-shut brake adjustment handle (12) are fixed in pivot (15) one side, spacing keyhole (9) set up on pivot (15) lower extreme, a plurality of spacing holes (11) are opened on fixed disk (8) and are located pivot (15) one side, spacing bolt sets up at spacing keyhole (9) and cooperate with spacing hole (11) and are used for fixed rotary disk position.

4. The isolator service apparatus of claim 3, wherein: the rotating disc (13) is provided with a plurality of screw holes (14).

5. The isolator service apparatus of claim 1, wherein: still including the placer that is used for electrically conductive arm cleanness, dismouting, it includes support II (17), 2 electrically conductive arm support frames (4), electrically conductive arm fixed hook (5), adjusting screw (6), 2 electrically conductive arm support frames (4) symmetry are fixed on support II (17), electrically conductive arm fixed hook (5) pass through adjusting screw (6) and set up on support II (17) and lie in between 2 electrically conductive arm support frames (4).

6. The isolator service apparatus of claim 5, wherein: adjusting screw (6) include screw rod (18), sleeve (19), and screw rod (18) bottom mounting is on support II (17), and sleeve (19) lower extreme and screw rod (18) upper end threaded connection, electrically conductive arm fixed hook (5) are fixed in sleeve (19) upper end.

7. The isolator service apparatus of claim 5, wherein: the conductive arm support frame (4) comprises a frame body and 2U-shaped support parts fixed at the top of the frame body, wherein the 2U-shaped support parts are symmetrically fixed on two sides of the top end of the frame body.

8. The isolator service apparatus of claim 5, wherein: the conductive arm fixing hook (5) is an arc-shaped fixing frame, and the arc-shaped surface is matched with the surface of the conductive arm.