CN217627284U - Portable hoisting tool for transformer substation - Google Patents

Abstract

The utility model discloses a transformer substation uses portable lifting device, include: the base assembly comprises a bottom plate, sliding plates, hoops and a moving seat, the two sliding plates capable of sliding along the length direction of the bottom plate are mounted on the bottom plate, the outer ends of the two sliding plates are fixedly connected with the hoops respectively, the bottom plate is provided with sliding rails along the length direction of the bottom plate, the moving seat comprises sliding blocks and flange turntables, the sliding blocks are slidably mounted on the sliding rails, the flange turntables are rotatably mounted on the sliding blocks, the boom assembly is fixedly mounted on the flange turntables of the moving seat, and a lifting appliance is mounted at the tail end of the boom assembly. When the hoisting tool is used, the hoop is fixedly installed between two steel structure supports of a transformer substation, the disassembly and the assembly are convenient, the suspension arm assembly has large bearing capacity, and meanwhile, the suspension arm assembly can move horizontally and freely rotate through the movable seat, so that the degree of freedom is high, and the hoisting work is simpler and more efficient.

Description

Portable lifting device for transformer substation

Technical Field

The utility model relates to a transformer substation's electric power overhauls equipment technical field, especially relates to a transformer substation uses portable lifting device.

Background

At present, in a transformer substation, in order to ensure the normal operation of high-voltage electrical equipment and the safety of operation and maintenance maintainers, an in-station open type high-voltage electrical equipment generally adopts a porcelain insulator support to enable the high-voltage electrical equipment to be far away from the ground, and the porcelain insulator support is fixed on a firm and reliable steel structure support, so that the arrangement of the electrical equipment in the transformer substation is formed. The arrangement method can ensure the stable and reliable operation and personnel safety of the high-voltage electrical equipment in the transformer substation, but also ensures that the electrical equipment in the transformer substation is compact in layout and small in movement space, certain difficulty is brought to the maintenance, overhaul and replacement of the high-voltage electrical equipment, and particularly when the equipment is replaced, the equipment also needs to be accompanied and stopped by adjacent equipment, so that large-scale hoisting equipment is inconvenient to operate.

At present, two modes of a crane and a lifting platform are generally adopted for maintaining, overhauling and replacing high-voltage electrical equipment. If the whole high-voltage electrical equipment is replaced, a crane is mainly adopted for hoisting. If parts of the high-voltage electrical apparatus are replaced, for example the upper conducting arm of a 220kV disconnector apparatus (see fig. 5), the use of a crane has two difficulties, on the one hand the movement of the crane takes a lot of time and on the other hand the crane cannot be extended at some sites. If the high-voltage electrical equipment is replaced by using the lifting platform, the ground of the transformer substation is lawn or gravel, so that great difficulty is caused in moving and arranging the lifting platform, the load capacity of the lifting platform is small, and great risk is brought to the replacement of the high-voltage electrical equipment. Therefore, no effective hoisting tool exists for hoisting in the narrow space of the transformer substation.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a transformer substation uses portable lifting device.

The utility model provides a pair of transformer substation uses portable lifting device, include: base assembly and davit assembly, wherein:

the base assembly comprises a bottom plate, sliding plates, an anchor ear and a moving seat, wherein the bottom plate is provided with the two sliding plates which can slide along the length direction of the bottom plate;

the suspension arm assembly is fixedly arranged on a flange turntable of the movable base, and the tail end of the suspension arm assembly is provided with a lifting appliance.

Preferably, the bottom plate is provided with slots penetrating through both ends of the bottom plate, and the two sliding plates are inserted into the slots in a sliding manner from both ends of the bottom plate respectively.

Preferably, the hoop comprises two semicircular rings which are opposite in position, and the two semicircular rings are connected through a bolt and a nut.

Preferably, the slide rails are located on both sides of the bottom plate.

Preferably, the suspension arm assembly comprises a support column, a first force arm, a second force arm, a first hydraulic rod and a second hydraulic rod, the support column is fixed on the flange turntable, the upper end of the support column is hinged to one end of the first force arm, the other end of the first force arm is hinged to the second force arm, two ends of the first hydraulic rod are hinged to the support column and the first force arm respectively, and two ends of the second hydraulic rod are hinged to the first force arm and the second force arm respectively.

Preferably, the lifting appliance is an electric hoist.

The utility model discloses in, this portable lifting device for transformer substation includes base assembly and davit assembly, and base assembly includes bottom plate, sliding plate, staple bolt and removes the seat, and the staple bolt is connected through slidable sliding plate at the bottom plate both ends, and the davit assembly is through removing a slidable mounting on the bottom plate. Therefore, when the hoisting tool is used, the hoop is fixedly installed between two steel structure supports of a transformer substation, the hoisting tool is convenient to detach and install, the suspension arm assembly has large bearing capacity, and meanwhile, the suspension arm assembly can move horizontally and rotate freely through the movable seat, has high degree of freedom, and enables hoisting to be simpler and more efficient.

Drawings

Fig. 1 is a perspective view of a portable lifting tool for a transformer substation provided in the embodiment;

fig. 2 is a front view of the portable lifting tool for a substation in the embodiment;

FIG. 3 is a schematic structural view of the bottom plate, the sliding plate and the anchor ear in the embodiment;

FIG. 4 is a schematic structural view of a movable base in an embodiment;

fig. 5 is a schematic installation diagram of the portable hoisting tool for the substation in the embodiment when the portable hoisting tool is used in the substation;

fig. 6 is a schematic diagram of the portable hoisting tool for the transformer substation in fig. 5 after hoisting the disconnecting switch and the porcelain insulator strut in the transformer substation.

Detailed Description

Referring to fig. 1-6, a portable lifting tool for a transformer substation according to an embodiment of the present invention includes a base assembly 1 and a boom assembly 2. The base assembly 1 includes a bottom plate 11, sliding plates 12, a hoop 13 and a movable seat 14, the bottom plate 11 is provided with two sliding plates 12 capable of sliding along the length direction thereof, and the outer ends of the two sliding plates 12 are fixedly connected with one hoop 13 respectively. The bottom plate 11 is provided with a slide rail 111 along the length direction thereof, the movable base 14 includes a slider 141 and a flange rotary table 142, the slider 141 is slidably mounted on the slide rail 111, and the flange rotary table 142 is rotatably mounted on the slider 141. The suspension arm assembly 2 is fixedly arranged on the flange turntable 142 of the movable base 14, and the lifting appliance 3 is arranged at the tail end of the suspension arm assembly 2.

This portable lifting device for transformer substation when using, the staple bolt 13 at 11 both ends of accessible bottom plate is fixed on two steel structure support 4 in the transformer substation, makes steel structure support 4 provide stable support for base assembly 1 and davit assembly 2, has great bearing capacity, and staple bolt 13 is still convenient dismantlement and installation. Meanwhile, the suspension arm assembly 2 can horizontally slide through the sliding block 141 and can also rotate through the flange turntable 142, so that the suspension arm assembly 2 has higher degree of freedom when being used for hoisting, dismounting and mounting the electrical equipment at the upper end of the steel structure support 4, is very convenient to use and is beneficial to improving the working efficiency.

In this embodiment, the sliding rails 111 are located on two sides of the bottom plate 11. The bottom plate 11 is provided with slots 112 penetrating through both ends thereof, the two sliding plates 12 are respectively inserted into the slots 112 by sliding from both ends of the bottom plate 11, and the sliding plates 12 can extend out of the slots 112 or retract into the slots when sliding, so that the sliding plates 12 can extend or shorten from both ends of the bottom plate 11, and the two anchor ears 13 can be installed on two steel-structure brackets 4 with different intervals.

Staple bolt 13 includes two semicircle rings, and two semicircle ring positions are relative to two semicircle rings pass through the bolt and nut are connected, can conveniently fix bottom plate 11 on two steel structure supports 4 through staple bolt 13, also convenient dismantlement.

In this embodiment, the boom assembly 2 includes a supporting column 21, a first force arm 22, a second force arm 23, a first hydraulic rod 24 and a second hydraulic rod 25, the supporting column 21 is fixed on the flange rotary table 142, an upper end of the supporting column 21 is hinged to one end of the first force arm 22, the other end of the first force arm 22 is hinged to the second force arm 23, two ends of the first hydraulic rod 24 are hinged to the supporting column 21 and the first force arm 22, and two ends of the second hydraulic rod 25 are hinged to the first force arm 22 and the second force arm 23. When the boom assembly 2 is used, the first hydraulic rod 24 and the second hydraulic rod 25 can be connected to a hydraulic system for driving, the first hydraulic rod 24 is used for driving the first force arm 22 to rotate up and down, and the second hydraulic rod 25 is used for driving the second force arm 23 to lift up and down.

The lifting appliance 3 adopts an electric hoist, the electric hoist is arranged at the tail end of the second force arm 23, and the electric hoist drives a steel rope and a lifting hook to lift electric equipment through a motor. In some other embodiments the spreader 3 may also be a hook powered by a hydraulic system.

Referring to fig. 5 and 6, the layout of a 220kV high-voltage isolating switch 6 of the transformer substation is shown, the isolating switch 6 is arranged on a porcelain insulator support 5, the porcelain insulator support 5 is connected to a steel structure support 4, the overhaul height is high, and the operation space is small. According to this portable lifting device for transformer substation of this embodiment, at the during operation, accessible staple bolt 13 is fixed on two steel structure supports 4 of transformer substation, makes davit assembly 2 install between two steel structure supports 4 of transformer substation, and rethread davit assembly 2 hoists vase pillar 5 and isolator 6 to can overhaul, dismantle, install vase pillar 5 and isolator 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a transformer substation uses portable lifting device which characterized in that includes: base assembly (1) and davit assembly (2), wherein:

the base assembly (1) comprises a bottom plate (11), two sliding plates (12), an anchor ear (13) and a movable seat (14), wherein the bottom plate (11) is provided with the two sliding plates (12) capable of sliding along the length direction of the bottom plate, the outer ends of the two sliding plates (12) are respectively and fixedly connected with the anchor ear (13), the bottom plate (11) is provided with a sliding rail (111) along the length direction of the bottom plate, the movable seat (14) comprises a sliding block (141) and a flange rotary table (142), the sliding block (141) is slidably arranged on the sliding rail (111), and the flange rotary table (142) is rotatably arranged on the sliding block (141);

the suspension arm assembly (2) is fixedly arranged on a flange turntable (142) of the movable base (14), and the tail end of the suspension arm assembly (2) is provided with a lifting appliance (3).

2. The portable hoisting tool for the transformer substation according to claim 1, wherein the bottom plate (11) is provided with slots (112) penetrating through both ends thereof, and the two sliding plates (12) are respectively inserted into the slots (112) in a sliding manner from both ends of the bottom plate (11).

3. The portable lifting tool for substations according to claim 1, characterized in that the hoop (13) comprises two semicircular rings, which are oppositely located and connected by bolts and nuts.

4. The portable lifting tool for substations according to claim 1, characterized in that the sliding rails (111) are located on both sides of the floor (11).

5. The portable hoisting tool for the transformer substation according to claim 1, wherein the boom assembly (2) comprises a support column (21), a first force arm (22), a second force arm (23), a first hydraulic rod (24) and a second hydraulic rod (25), the support column (21) is fixed on a flange turntable (142), the upper end of the support column (21) is hinged to one end of the first force arm (22), the other end of the first force arm (22) is hinged to the second force arm (23), two ends of the first hydraulic rod (24) are hinged to the support column (21) and the first force arm (22) respectively, and two ends of the second hydraulic rod (25) are hinged to the first force arm (22) and the second force arm (23) respectively.

6. Portable lifting tool for substations according to one of claims 1 to 5, characterized in that the spreader (3) is an electric hoist.

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