CN212968784U

CN212968784U - GIS circuit breaker overhauls with supporting portal frame

Info

Publication number: CN212968784U
Application number: CN202021713877.2U
Authority: CN
Inventors: 付鹏; 刘代军; 韩尊占; 杨烽; 焦东围
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-13
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a supporting portal frame for GIS breaker maintenance, which comprises two supporting frames which are arranged oppositely, wherein the two supporting frames are connected through a longitudinal beam frame, and a clamping device is arranged on each supporting frame; the support frame comprises upright columns arranged on two sides, and a cross beam is connected between the two upright columns; the longitudinal beam frame comprises a first longitudinal beam and a second longitudinal beam which are arranged in parallel, and the first longitudinal beam and the second longitudinal beam are respectively positioned at two ends of the supporting frame. The utility model discloses whole size is moderate, intensity is high, the removal is convenient, easy operation, can accurate height-adjusting, pitch-row etc. application scope is wide, the high save time of availability factor.

Description

GIS circuit breaker overhauls with supporting portal frame

Technical Field

The utility model belongs to the technical field of the GIS pipe bus overhaul technique and specifically relates to a GIS circuit breaker overhauls with supporting portal frame is related to.

Background

The 500kV GIS equipment has the characteristics of good operation stability, low fault rate, integrated design and installation, maintenance-free performance and the like, and plays an important role in power transmission and transformation engineering of a power station. When the breaker breaks down and needs maintenance and replacement operation, a special tool is needed to fixedly support equipment at the upper end of the breaker.

At 500kV GIS overhaul of the equipments in-process, often need support equipment such as the current transformer that fixes the circuit breaker upper end and heavily reach several tons with the scaffold frame when involving the circuit breaker and changing, owing to receive the complicated and limited restriction in space of GIS equipment environment, set up the scaffold frame and need consume more manpower and materials, inefficiency, and its highly is difficult to adjust, the location degree of difficulty when having increased equipment fixing, bring the potential safety hazard for the equipment of overhauing and moving. Therefore, the supporting portal frame for overhauling the GIS circuit breaker is adjustable in height, stable and reliable, overhauling efficiency can be greatly improved, and overhauling period can be shortened.

Due to the limitation of complex environment and limited space of GIS equipment, on one hand, the scaffold is required to be erected by a large amount of manpower and material resources, time and labor are wasted, the efficiency is low, and the scaffold is extremely difficult to erect; the altitude mixture control difficulty of on the other hand scaffold frame, the very big degree of difficulty of location when having increased equipment fixing, simultaneously because the equipment of circuit breaker dismantlement position upper end is heavier, if the scaffold frame sets up unstability or the bearing is not enough still can lead to equipment to damage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at is not enough to above-mentioned prior art existence, provides a GIS circuit breaker overhauls with supporting portal frame, solves that the support frame structure is complicated, use inconvenient, difficult installation maintenance, problem of inefficiency.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a supporting portal frame for overhauling a GIS circuit breaker comprises two supporting frames which are oppositely arranged, wherein the two supporting frames are connected through a longitudinal beam frame, and a clamping device is arranged on each supporting frame;

the support frame comprises upright columns arranged on two sides, and a cross beam is connected between the two upright columns;

the longitudinal beam frame comprises a first longitudinal beam and a second longitudinal beam which are arranged in parallel, and the first longitudinal beam and the second longitudinal beam are respectively positioned at two ends of the supporting frame.

In the preferred scheme, the stand below is equipped with strutting arrangement, and strutting arrangement includes cushion and backup pad, is equipped with the bracing piece on the cushion, bracing piece and backup pad threaded connection, backup pad and stand fixed connection still are equipped with the floor between backup pad and the stand.

In the preferred scheme, the cross beam is provided with a sliding groove, and the sliding groove is in sliding connection with the clamping device.

In the preferred scheme, the clamping device comprises clamping units which are arranged oppositely, sliding plates are arranged on the clamping units, sliding blocks are arranged below the sliding plates, the sliding blocks are in sliding connection with sliding grooves, a retainer is fixedly arranged in the middle of the sliding plates, a plurality of cavities are formed in the retainer from top to bottom in a direction parallel to the beam, connecting pieces are arranged in the cavities in a sliding mode, and the retainer is further provided with a plurality of first connecting holes.

In the preferred scheme, the appearance of the sliding block is matched with that of the sliding groove.

In the preferred scheme, the connecting piece includes stiff end and bearing end, and the stiff end both sides are equipped with a plurality of screw holes, and screw hole and first connecting hole pass through the screw connection fixed, and the bearing end is equipped with the circular arc board, is equipped with a plurality of second connecting holes on the circular arc board.

In the preferred scheme, the stiff end still is equipped with the handle, and the handle is located the stiff end both sides.

In the preferred scheme, slide both sides still are equipped with spacing stake, and spacing stake is located directly over the spout, and spacing stake includes spacing nail and spacing hole, spacing nail one end and spout sliding connection, and the spacing nail other end passes spacing hole and passes through nut and spacing stake connection fastening.

In the preferred scheme, the stand below still is equipped with the gyro wheel, and the gyro wheel is located strutting arrangement one side.

In the preferred scheme, still be equipped with the hand wheel that is used for adjusting the cushion height on the bracing piece.

The utility model relates to a GIS circuit breaker overhauls with supporting beneficial effect that portal frame brought is:

1) the novel support portal frame has the advantages of moderate weight of components, high strength, convenient movement and simple operation;

2) the height, the hole distance and the like can be accurately adjusted, and the application range is wide;

3) convenience: the on-site installation time is greatly shortened, the working efficiency during electric power overhaul is improved, and the labor intensity of workers is reduced.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a left side view of the present invention;

FIG. 4 is a schematic view of the structure of the connector of the present invention;

in the figure: a support frame 1; a column 101; a cross beam 102; a chute 103; a roller 104; a stringer frame 2; a first longitudinal beam 201; a second stringer 202; a holding device 3; a clamp unit 301; a slide plate 302; a slider 303; a cage 304; a cavity 305; a connector 306; a first connection hole 307; a fixed end 308; a support end 309; a threaded bore 310; an arc plate 311; a second connection hole 312; a support device 4; a cushion block 401; a support plate 402; a support bar 403; a rib 404; a hand wheel 405; a handle 5; a limiting pile 6; a limit pin 601; a retaining hole 602.

Detailed Description

Example 1

As shown in fig. 1-4, a supporting portal frame for overhauling a GIS circuit breaker comprises two supporting frames 1 which are oppositely arranged, wherein the two supporting frames 1 are connected through a stringer frame 2, and a clamping device 3 is arranged on each supporting frame 1;

the support frame 1 comprises upright posts 101 arranged on two sides, and a cross beam 102 is connected between the two upright posts 101;

the longitudinal beam frame 2 comprises a first longitudinal beam 201 and a second longitudinal beam 202 which are arranged in parallel, and the first longitudinal beam 201 and the second longitudinal beam 202 are respectively arranged at two ends of the support frame 1.

From this structure, two support frames 1 are connected through the stringer frame 2 and are formed a fixed frame, and first longeron 201 and second longeron 202 are located 1 both ends of support frame respectively and have increased holistic rigidity, set up clamping device 3 on the support frame 1 and carry out the bearing fixed to the GIS circuit breaker.

In a preferable scheme, a supporting device 4 is arranged below the upright column 101, the supporting device 4 comprises a cushion block 401 and a supporting plate 402, a supporting rod 403 is arranged on the cushion block 401, the supporting rod 403 is in threaded connection with the supporting plate 402, the supporting plate 402 is fixedly connected with the upright column 101, and a ribbed plate 404 is further arranged between the supporting plate 402 and the upright column 101. With the structure, the height of the cushion block 401 can be adjusted by adjusting the support rod 403, so that the support and fixation of the support frame 1 are completed, the rib plate 404 enhances the rigidity between the support plate 402 and the upright post 101, and the structure is more stable and firm.

In a preferable scheme, a sliding groove 103 is arranged on the cross beam 102, and the sliding groove 103 is connected with the clamping device 3 in a sliding manner. From this structure, can adjust clamping device 3 fixed with the bearing that satisfies the GIS circuit breaker of different diameters size.

In a preferable scheme, the clamping device 3 comprises clamping units 301 which are oppositely arranged, the clamping units 301 are provided with sliding plates 302, sliding blocks 303 are arranged below the sliding plates 302, the sliding blocks 303 are in sliding connection with the sliding grooves 103, a retainer 304 is fixedly arranged in the middle of the sliding plates 302, a plurality of cavities 305 are formed in the retainer 303 from top to bottom in a direction parallel to the cross beam 102, connecting pieces 306 are arranged in the cavities 305 in a sliding mode, and a plurality of first connecting holes 307 are further formed in the retainer 303. The sliding groove 103 adopts an inverted T-shaped sliding groove or a dovetail groove so as to have a limiting function. 3 cavities 305 with different sizes are arranged to meet the requirements of the diameters of different GIS breakers, the retainer 304 is trapezoidal, materials are saved, and the appearance is attractive. With this structure, the distance between the connecting members 306 of the two gripping units 3 can be adjusted by moving the slide plate 302, and the versatility is better.

In a preferable scheme, the shape of the sliding block 303 is matched with that of the sliding groove 103. This structure enables the slider 303 to be confined in the slide groove 103.

In a preferable scheme, the connecting member 306 includes a fixed end 308 and a supporting end 309, a plurality of threaded holes 310 are formed in two sides of the fixed end 308, the threaded holes 310 and the first connecting holes 307 are fixed through screw connection, the supporting end 309 is provided with an arc plate 311, and the arc plate 311 is provided with a plurality of second connecting holes 312. With the structure, the threaded hole 310 and the first connecting hole 307 are fixed through screw connection, so that the connecting piece 306 and the holder 304 are fixed, and the second connecting hole 312 is used for being fixed with a flange on the GIS breaker, so that the GIS breaker can bear larger weight in use, and is strong in rigidity and more stable in connection.

Preferably, the fixed end 307 is further provided with a handle 5, and the handle 5 is located at two sides of the fixed end 307. With the structure, the connecting piece 306 can be conveniently moved and adjusted.

In the preferred scheme, the both sides of slide 302 still are equipped with spacing stake 6, and spacing stake 6 is located directly over the spout 103, and spacing stake 6 includes spacing nail 601 and spacing hole 602, and spacing nail 601 one end and spout 103 sliding connection, spacing nail 601 other end pass spacing hole 602 through nut and spacing stake connection fastening. From this structure, when adjusting interval between connecting piece 306 to when making and the flange of GIS circuit breaker match, fixed slide 103 prevents its removal, and then guarantees that the connection between the flange of connecting piece and GIS circuit breaker is stable.

Preferably, a roller 104 is further disposed below the upright 101, and the roller 104 is located at one side of the supporting device. The roller 104 is made of nylon materials, so that the support frame 1 can be moved more conveniently, meanwhile, the nylon roller 104 is free of damage to the ground in the rotating process, and meanwhile, the service life is long.

In a preferable scheme, a hand wheel 405 for adjusting the height of the cushion block 401 is further arranged on the supporting rod 403. By the structure, the height of the cushion block 401 can be adjusted more conveniently, time is saved, and efficiency is high.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a GIS circuit breaker overhauls with supporting portal frame, characterized by: the device comprises two oppositely arranged support frames (1), the two support frames (1) are connected through a longitudinal beam frame (2), and a clamping device (3) is arranged on each support frame (1);

the support frame (1) comprises upright posts (101) arranged on two sides, and a cross beam (102) is connected between the two upright posts (101);

the longitudinal beam frame (2) comprises a first longitudinal beam (201) and a second longitudinal beam (202) which are arranged in parallel, and the first longitudinal beam (201) and the second longitudinal beam (202) are respectively positioned at two ends of the support frame (1).

2. The GIS breaker overhauls with supporting portal frame of claim 1, characterized by: the supporting device (4) is arranged below the upright column (101), the supporting device (4) comprises a cushion block (401) and a supporting plate (402), a supporting rod (403) is arranged on the cushion block (401), the supporting rod (403) is in threaded connection with the supporting plate (402), the supporting plate (402) is fixedly connected with the upright column (101), and a rib plate (404) is further arranged between the supporting plate (402) and the upright column (101).

3. The GIS breaker overhauls with supporting portal frame of claim 1, characterized by: the cross beam (102) is provided with a sliding groove (103), and the sliding groove (103) is connected with the clamping device (3) in a sliding manner.

4. The GIS breaker overhauls with supporting portal frame of claim 1, characterized by: clamping device (3) are including clamping unit (301) of relative setting, clamping unit (301) are equipped with slide (302), slide (302) below is equipped with slider (303), slider (303) and spout (103) sliding connection, slide (302) centre has set firmly holder (304), holder (304) from the top down is on a parallel with crossbeam (102) direction and is equipped with a plurality of cavities (305), cavity (305) inside slipping is equipped with connecting piece (306), holder (304) still are equipped with a plurality of first connecting holes (307).

5. The GIS breaker overhauls with supporting portal frame of claim 4, characterized by: the shape of the sliding block (303) is matched with that of the sliding groove (103).

6. The GIS breaker overhauls with supporting portal frame of claim 4, characterized by: the connecting piece (306) comprises a fixed end (308) and a bearing end (309), a plurality of threaded holes (310) are formed in two sides of the fixed end (308), the threaded holes (310) and the first connecting holes (307) are fixedly connected through screws, the bearing end (309) is provided with an arc plate (311), and a plurality of second connecting holes (312) are formed in the arc plate (311).

7. The GIS breaker overhauls with supporting portal frame of claim 6, characterized by: the fixed end (308) is further provided with a handle (5), and the handle (5) is located on two sides of the fixed end (308).

8. The GIS breaker overhauls with supporting portal frame of claim 4, characterized by: slide (302) both sides still are equipped with spacing stake (6), and spacing stake (6) are located directly over spout (103), and spacing stake (6) include spacing nail (601) and spacing hole (602), and spacing nail (601) one end and spout (103) sliding connection, and spacing nail (601) other end passes spacing hole (602) and passes through nut and spacing stake connection fastening.

9. The GIS breaker overhauls with supporting portal frame of claim 1, characterized by: and a roller (104) is further arranged below the upright post (101), and the roller (104) is positioned on one side of the supporting device.

10. The GIS breaker overhauls with supporting portal frame of claim 2, characterized by: and a hand wheel (405) for adjusting the height of the cushion block (401) is also arranged on the supporting rod (403).