CN108178073A - A kind of station Universal hoisting equipment - Google Patents

Abstract

The invention relates to the technical field of substation equipment maintenance, in particular to a general hoisting equipment for substation maintenance. Including the hoisting device, rotating device, column and base connected sequentially from top to bottom, as well as the special spreader for the isolating switch, the hoisting device can rotate 360° horizontally around the axis of the column; the hoisting device includes the boom and is fixed on the boom in turn. The front hook frame, the movable pulley frame, the rotating frame and the hanging hoist also include the movable pulley, the fixed pulley and the hook. The fixed pulley is fixed on the movable pulley frame, and the movable pulley is installed on the wire rope between the movable pulley frame and the front hook frame. The hook is fixed under the movable pulley, and the special spreader for the isolating switch is hung on the hook; the rotation of the suspension hoist drives the lift of the hook. Strong versatility, it can be installed on the frame of 66kV isolating switch arranged in all forms of substation; light weight, suitable for high-altitude operation; flexible and convenient assembly, strong lifting capacity; can be used for emergency vehicle repair; improve the hoisting efficiency of isolating switch.

Description

General hoisting equipment for substation maintenance

technical field

The invention relates to the technical field of substation equipment maintenance, in particular to a general hoisting equipment for substation maintenance.

Background technique

At present, for substation equipment maintenance, especially substation isolating switch disassembly maintenance or overall replacement, it is necessary to hoist the old isolating switch from the frame, and hoist the overhauled isolating switch or new isolating switch to the frame. At present, the first type of hoisting equipment used in this operation is to use the manual method, but due to the limitation of manpower, only a single column of each item can be hoisted at a time; the second type is to change the power of hoisting to an electric motor, and the hoisting weight will increase to a certain extent , but the operation and assembly are more cumbersome.

In addition, the following problems still exist in the application process:

1. The installation is limited to the GW5 type isolating switch with a 2.5-meter-high conventional frame layout (channel steel or angle steel foundation). ), the installation cannot be realized; if it is installed in any position, the hoisting of the three-phase isolating switch cannot be realized;

2. During the hoisting operation, due to the insufficient length of the drop arm, it is necessary to install it on the frame at least twice;

3. The weight of the hoisting equipment is too heavy, and it is very difficult to move up and down and assemble the isolating switch arranged at a high place.

At present, in the construction of substations, cranes are still used for some light equipment, but the space between some substations is limited. In order to ensure a sufficient safe distance from live equipment, the scope of work has to be expanded.

Contents of the invention

In order to make up for the deficiencies of the prior art, the present invention provides a universal hoisting device for substation maintenance with strong versatility, convenient assembly and high efficiency. It meets the requirements for hoisting operation of isolating switches and substation equipment below 200Kg.

In order to achieve the above object, the present invention adopts the following technical solutions to realize:

A general hoisting equipment for substation maintenance, including a hoisting device, a rotating device, a column and a base sequentially connected from top to bottom, and a special hoisting device for a disconnector, the hoisting device can rotate horizontally around the axis of the column by 360°; the hoisting device includes The boom and the front hook frame, movable pulley frame, rotating frame and hanging hoist fixed on the boom in sequence, including movable pulley, fixed pulley and hook, the fixed pulley is fixed on the movable pulley frame, and the movable pulley is installed on the movable pulley frame and On the wire rope between the front hook frames, the hook is fixed under the movable pulley, and the special spreader for the isolating switch is hung on the hook; the rotation of the suspension hoist drives the hook up and down.

The rotating device includes a rotating shaft, a bearing, a bearing seat and a positioning pin; the bearing seat is fixed on the top of the column, the bearing is installed on the bearing seat, the rotating shaft is installed on the bearing, and the bottom of the rotating frame is fixed on the top of the rotating shaft.

A plurality of positioning holes are evenly distributed in the circumferential direction of the rotating shaft, and the rotating shaft is circumferentially fixed with the positioning pins through the positioning holes.

The base includes an upper base and a lower base; a cylinder is arranged in the center of the upper base, and the inner diameter of the cylinder is equal to the outer diameter of the column; the upper base and the lower base are connected by bolts.

The column is tubular, and the bottom of the column is provided with a locking hole. After the bottom of the column is inserted into the cylinder of the upper base, it is fixed by the locking hole and the locking pin.

The special spreader for the isolating switch is a cross structure, fastening locks are provided at both ends of the beam, a lifting ring is provided at the top of the vertical beam, and two rope sets are provided at the bottom.

The boom is provided with multiple sets of mounting holes for the movable pulley frame, and the distance between the movable pulley frame and the front hook frame can be adjusted.

The boom and column are made of high-strength aluminum alloy, and the surface is oxidized and coated.

Compared with prior art, the beneficial effect of the present invention is:

1) After the upper base and the lower base are clamped on the isolating switch frame, they are connected by bolts and then installed on the isolating switch frame; the versatility is good, and it can be installed on the 66kV isolating switch frame arranged in all forms of the substation.

2) The hoisting device, rotating device, column and base are split structures; it is convenient for transportation and installation, light in weight, and has a relatively flexible assembly method, which is convenient for assembly at high places; it can realize the hoisting of three-phase isolating switches after one point of installation.

3) For different equipment heights, columns of different heights can be selected to realize the hoisting of light-weight equipment in substations;

4) The movable pulley is used for hoisting, which improves the lifting capacity of the hoisting equipment.

5) By properly welding and installing angle irons on the emergency repair truck, the present invention can be fixed on the emergency repair truck, and can be used for hoisting bulky items on the emergency repair truck, so as to reduce the work intensity of the emergency repair personnel.

6) Auxiliary spreader for isolating switch, which is convenient for hoisting and does not depend on the experience of the hoisting personnel. When hoisting, the force of the isolating switch is similar to being "hugged", preventing falling or breaking of the porcelain column due to improper hoisting and fixing, and improving work efficiency. and security.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is an enlarged view of direction A of Fig. 1;

Fig. 3 is a structural schematic diagram of the special spreader for the disconnector of the present invention;

Fig. 4 is a schematic diagram of the working state of the special spreader for the isolating switch of the present invention;

Fig. 5 is a schematic diagram of the working state of the present invention;

Fig. 6 is a schematic diagram of the transportation state of the present invention.

In the figure: 1-hoisting device 2-rotating device 3-column 4-base 5-isolation switch special spreader 6-hanging arm 7-front hook frame 8-moving pulley frame 9-rotating frame 10-hanging hoist 11-moving pulley 12-Fixed pulley 13-Hook 14-Wire rope 15-Rotation shaft 16-Bearing 17-Bearing seat 18-Location pin 19-Location hole 20-Upper base 21-Lower base 22-Cylinder 23-Lock hole 24-Lock pin 25-fastening lock 26-hanging ring 27-rope cover 28-moving pulley frame mounting hole 29-isolating switch frame 30-GW5 type isolating switch 31-repair truck

Detailed ways

The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

As shown in FIG. 1 , a general hoisting equipment for substation maintenance includes a hoisting device 1 , a rotating device 2 , a column 3 and a base 4 , and also includes a special hoisting device 6 for a disconnector. The hoisting device 1, rotating device 2, upright column 3, base 4 and special spreader 6 for isolating switch are split structures, which can be transported separately and assembled on site. The column 3 is installed on the base 4, the rotating device 2 is installed on the column 3, the hoisting device 1 is installed on the rotating device 2, and the hoisting device 1 can rotate 360° horizontally around the axis of the column 3.

The hoisting device 1 includes the boom 6 and the front hook frame 7, the movable pulley frame 8, the swivel frame 9 and the hoisting hoist 10 fixed on the boom 6 by bolts in the front and rear, and also includes the movable pulley 11, the fixed pulley 12 and the hook 13. The boom 6 is made of high-strength aluminum alloy material, and the surface is oxidized and coated. Boom 6 length 1800mm, the swivel frame 9 mounting holes of boom 6 to the 1500mm of boom 6 front ends. The boom 6 is provided with multiple groups of movable pulley frame mounting holes 28, and the distance between the movable pulley frame 8 and the front hook frame 7 is adjustable. The hanging winch 10 adopts the CD1 wireless remote control hanging winch, with a rated lifting capacity of 500kg, a net weight of 150kg, and a wire rope length greater than 12M.

Fixed pulley 12 is fixed on the movable pulley frame 8, and the wire rope 14 of suspension hoist 10 walks around fixed pulley 12, and the end is fixed on the front hook frame 7. Moving pulley 11 is installed on the wire rope 14 between moving pulley frame 8 and front suspension hook frame 7, and suspension hook 13 is fixed on moving pulley 11 below, and disconnector special spreader 5 is hung on suspension hook 13. The suspension hoist 10 rotates and drives the hook 13 to lift together with the special hanger 5 for the isolating switch and the isolating switch. Boom 6 is provided with multiple sets of movable pulley frame mounting holes 28, and the distance between movable pulley frame 8 and the front hook frame 7 is adjustable, so as to facilitate the lifting of different types of equipment and facilitate the hoisting operation.

As shown in FIG. 2 , the rotating device 2 includes a rotating shaft 15 , a bearing 16 , a bearing seat 17 and a positioning pin 18 . The bearing seat 17 is fixed on the top of the column 3, the bearing 16 is installed on the bearing seat 17, the rotating shaft 15 is installed on the bearing 16, the rotating frame 9 is fixed on the top end surface of the rotating shaft 15, and then the hoisting device 1 and the rotating shaft 15 can be wound around the column 3 The axis rotates 360° horizontally, which is convenient for adjusting the lifting angle. A plurality of positioning holes 19 are evenly distributed around the rotating shaft 15, and the rotating shaft 15 is fixed circumferentially with the positioning pins 18 through the positioning holes 19. After adjusting the lifting angle, insert the positioning pins 18 into the positioning holes 19 to fix the hoisting device 1 circumferentially. prevent it from turning.

As shown in Figure 1, the base 4 includes an upper base 20 and a lower base 21; a cylinder 22 is arranged at the center of the upper base 20, and the inner diameter of the cylinder 22 is equal to the outer diameter of the column 3; the upper base 20 and the lower base 21 are connected by bolts. The length of the base 4 is 80mm longer than that of the existing GW5/GW4 type isolating switch frame and the 66kV door angle iron frame, and the length of the bolts is 80mm longer than that of the existing GW5/GW4 type isolating switch frame and the 66kV door type angle iron frame.

Column 3 is tubular, long 1550mm or 1850mm. Four locking holes 23 are evenly distributed at the bottom thereof, and the bottom of the column 3 is inserted into the cylinder 22 of the upper base 20, and then fixed by the locking holes 23 and the locking pins 24. The column 3 is made of high-strength aluminum alloy material, and the surface is oxidized and coated.

As shown in Fig. 3 and Fig. 4, the special spreader 5 for the isolating switch is a cross structure, fastening locks 25 are provided at both ends of the beam, a suspension ring 26 is provided at the top of the vertical beam, and two rope sleeves 27 are provided at the bottom. The rope cover 27 is fixed on the base of the GW5 type isolating switch 30, the two ends of the fastening lock 25 fix the two porcelain columns of the GW5 type isolating switch 30, and then the GW5 type isolating switch 30 is firmly fixed on the special lifting device 5 for the isolating switch. superior.

As shown in Figure 1, the hoisting ring 26 of the isolating switch special sling 5 is hung on the hook 13, and the hoisting hoist 10 rotates forward and reverse to drive the wire rope 14 to retract, and then the isolating switch special sling 5 and the isolating switch special sling 5 are fixed on the isolating switch The GW5 type isolating switch 30 on the spreader 5 is hoisted or put down.

The present invention has versatility in use, as shown in FIG. 6 , it can be installed on 66kV isolating switch frames 29 arranged in all forms in substations. It has a lighter overall weight and is suitable for high-altitude operations. It has a more flexible assembly method, which is convenient for high-altitude assembly. After a little installation can be satisfied, the hoisting of the three-phase isolating switch can be realized. For different equipment heights, columns 3 of different heights can be selected to realize the hoisting of light-weight equipment in the substation. As shown in FIG. 5 , the angle irons are properly welded and installed on the emergency repair truck 31 , which can be installed on the emergency repair truck 31 for hoisting bulky items on the emergency repair truck and reducing the work intensity of the emergency repair personnel. The movable pulley is used for hoisting, which improves the lifting capacity of the spreader. The specially designed auxiliary spreader for GW5 disconnector 30 is convenient for hoisting and does not depend on the experience of the hoisting personnel. When hoisting, the force of the isolating switch is similar to being "hugged" to prevent falling or breakage of the porcelain column due to improper hoisting and fixing. Improved work efficiency and safety.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. a kind of station Universal hoisting equipment, which is characterized in that including sequentially connected hanging apparatus, rotation from top to bottom Rotary device, column and pedestal, further include disconnecting switch special hanger, and hanging apparatus can be around the 360 ° of horizontal rotations of column axis；Institute It states hanging apparatus and includes arm and front and rear preceding suspension hook frame, movable pulley rack, swivel mount and the hanging being sequentially fixed on arm Hoist engine further includes movable pulley, fixed pulley and suspension hook, and fixed pulley is fixed in movable pulley rack, and movable pulley is mounted on movable pulley On steel wire rope between frame and preceding suspension hook frame, suspension hook is fixed below movable pulley, and disconnecting switch special hanger is hung on suspension hook；It hangs The rotation of formula hoist engine drives hook lifting.

A kind of 2. station Universal hoisting equipment according to claim 1, which is characterized in that the rotating device packet Include rotary shaft, bearing, bearing block and positioning pin；Bearing block is fixed on column top, and bearing is mounted on bearing block, rotary shaft Mounted on bearings, swivel mount bottom is fixed on rotary shaft top.

3. a kind of station Universal hoisting equipment according to claim 2, which is characterized in that the rotary shaft is circumferential Uniformly distributed multiple location holes, rotary shaft are circumferentially fixed with positioning pin by location hole.

4. a kind of station Universal hoisting equipment according to claim 1, which is characterized in that the pedestal includes upper Pedestal and lower bottom base；Upper bed-plate center is equipped with cylinder, and barrel bore is equal to column outer diameter；Upper bed-plate is connected with lower bottom base by bolt It connects.

5. a kind of station Universal hoisting equipment according to claim 1 or 4, which is characterized in that the column is Tubular, bottom is equipped with lock hole, after column bottom is inserted into the cylinder of upper bed-plate, is fixed by lock hole and locking pin.

6. a kind of station Universal hoisting equipment according to claim 1, which is characterized in that the disconnecting switch is special It is cross structure with suspender, crossbeam both ends are equipped with fastening lockset, are equipped with hanging ring at the top of vertical beam, and bottom sets that there are two rope slings.

7. a kind of station Universal hoisting equipment according to claim 1, which is characterized in that the arm is equipped with Multigroup movable pulley rack mounting hole, the distance between movable pulley rack and preceding suspension hook frame are adjustable.

8. a kind of station Universal hoisting equipment according to claim 1, which is characterized in that the arm and column It is made of high-strength aluminum alloy material, surface oxidation plated film.