CN111994844A

CN111994844A - Transformer substation is with overhauing platform

Info

Publication number: CN111994844A
Application number: CN202010864585.7A
Authority: CN
Inventors: 宋辉; 李�真; 王磊; 王博; 杜玺; 周莹
Original assignee: Neixiang Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Neixiang Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2020-11-27

Abstract

The invention discloses an overhaul platform for a substation, comprising a base, a motor, a screw rod, an operation platform, a guide rod, a suspension rod and a hanging ladder. A universal wheel with brakes is arranged at the bottom of the base, and the motor and the guide rod are arranged on the bottom of the base. Above the base, the motor output shaft is connected with the screw, the screw is threadedly connected to the operating platform, the operating platform is provided with a groove, and the groove is rotatably connected to the expansion board, the expansion board is provided with a support assembly, the screw A limit plate is also set on the top, the guide rod runs through the operation platform, a hanging ladder is also set on the guide rod, the top of the guide rod is connected with a suspension rod, a number of sleeves are set on the suspension rod, and the sleeve is set on Hanging ring. The maintenance platform for the substation of the invention has a large working area, can meet the needs of multiple operators to work up and down at any time, has convenient operation and high work efficiency.

Description

Transformer substation is with overhauing platform

Technical Field

The invention relates to the technical field of transformer substation maintenance, in particular to a maintenance platform for a transformer substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, equipment such as a switch, a 35kV disconnecting link, a 35kV CT, a main transformer 35kV CVT and a main transformer 35kV lightning arrester in the transformer substation needs to be periodically overhauled and maintained, overhauling devices such as an overhauling frame and an insulating ladder need to be used in the overhauling and maintaining process, when a serious circuit accident occurs, a plurality of operators are needed to operate, the operation platform area of the existing overhauling device is small, the movable range of the operators is limited, and the requirement of multi-person operation is not met; and when existing staff overhaul the operation, need descend operation platform or with the help of the staircase then go up staff, work efficiency is low.

Chinese patent with publication number CN209200491U discloses a small-size transformer substation is with overhauing platform, including removing seat, hydraulic pressure crane and overhauing platform, the bottom of removing the seat sets up a plurality of gyro wheel, the top surface mounting who removes the seat hydraulic pressure crane, hydraulic pressure crane through the connecting seat with it is connected to overhaul the platform. Set up two first flat boards and the second flat board that can transversely stimulate on the connecting seat surface through the inside that will overhaul the platform, press from both sides the expansion board that is equipped with two longitudinal symmetries between two flat boards, it is articulated between two expansion boards, the expansion board that is located the top can rotate between two flat boards, the expansion board that overhauls the platform during operation top rotates to the fixture block card on the curb girder of receiver lateral wall, expand another expansion board and cover on the curb girder equally, make the area grow of overhauing the platform, pack up two expansion boards and merge two flat boards again when out of work, save the space. However, this patent is inconvenient for the operator to get up and down at any time, and the support is unstable after the flat plate and the expansion plate are unfolded.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide the maintenance platform for the transformer substation, which is large in operation area, convenient to operate and high in working efficiency, and meets the requirement of a plurality of operators for up-and-down operation at any time.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a transformer substation is with overhauing platform, includes base, motor, screw rod, operation platform, guide bar, hangs the pole and hangs the ladder, the base bottom sets up the universal wheel of taking the brake, motor and guide bar setting are in the base top, motor output shaft and screw rod are connected, threaded connection operation platform on the screw rod, the last recess that sets up of operation platform, the expansion board is connected to the recess internal rotation, set up supporting component on the expansion board, the screw rod top still sets up the limiting plate, the guide bar runs through operation platform, still set up on the guide bar and hang the ladder, the pole that hangs is connected at the guide bar top, hang and set up a plurality of sleeves on the pole, set up the link on the sleeve.

Preferably, the supporting component comprises a rotating shaft arranged on the expansion plate, a connecting rod connected with the rotating shaft in a rotating mode, a first hoop arranged at the tail end of the connecting rod and a positioning pin for limiting the rotation of the connecting rod, the operating platform and the connecting rod are provided with limiting holes matched with the positioning pins, and the limiting holes are arranged close to one side of the guide rod.

Preferably, a cushion block is further arranged between the expansion plate and the connecting rod, and the cushion block is rotatably connected to the rotating shaft.

Preferably, hang the ladder and form by a plurality of sections connecting blocks are articulated, set up the hanging hole on the connecting block, the hanging hole of the connecting block of the top cup joints on the guide bar, still set up the pedal on the connecting block.

Preferably, the lower extreme of connecting block sets up the U connector, set up the connecting axle in the connector, the upper end of adjacent below connecting block sets up the connector, the connector rotates with the connecting axle to be connected.

Preferably, hang and still set up spacing subassembly on the ladder, spacing subassembly is including the spacing post that runs through the hanging hole, the stopper of being connected with spacing post, the clamp two fixed with the guide bar and the dead lever of connecting stopper and clamp two, set up the screw hole on the spacing post, screw hole internal thread connects spacing bolt.

Preferably, the guide rod is further provided with a support, the support is provided with a pulley, and the pulley pulls the tool box through a flexible cable.

The invention has the following positive beneficial effects:

1. the operation platform of the overhaul platform for the transformer substation is large in area and comprises two suspension rods, each suspension rod is provided with a plurality of suspension rings, operation of multiple persons can be simultaneously met, the area of the operation platform can be further enlarged by turning over the expansion plate, when the operation height is adjusted, the operation platform does not need to be lifted back and forth to lift workers, the operation platform can be lifted up and down only by hanging ladders, the work of each worker is not influenced, tools transfer work boxes through pulleys, and the work efficiency is greatly improved.

2. The support assembly fixes the overturned unfolding plate on the guide rod through the connection of the clamp, and the unfolding plate is firmly fixed. Still set up the cushion between expansion board and the connecting rod, the cushion rotates to be connected in the pivot, and after the expansion board upset, cushion and expansion board in close contact with, connecting rod and the equal in close contact with of cushion and operation platform, the expansion board supports stably.

3. The hanging ladder is formed by hinging a plurality of connecting blocks, and workers can grab the hanging holes by hands and climb pedals, so that the operation is convenient; the length of the connecting block is selected according to the height of the operating platform, and redundant connecting blocks are positioned at the lowest end and are suitable for operating platforms with different heights; hang the ladder lower extreme and fix on the guide bar through spacing subassembly, prevent to hang the ladder and rock.

Drawings

FIG. 1 is a front view of the maintenance platform of the present invention;

FIG. 2 is a side view of the service platform of the present invention;

FIG. 3 is a top view of the work platform of the present invention;

fig. 4 is a front view of the ladder of the present invention;

FIG. 5 is a side view of the ladder of the present invention;

FIG. 6 is a schematic view of a spacing assembly according to the present invention;

in the figure: 1-base, 2-universal wheel, 3-limiting component, 31-fixing rod, 32-limiting block, 33-limiting column, 34-threaded hole, 35-hoop I, 4-hanging ladder, 41-connecting block, 42-pedal, 43-hanging hole, 44-connecting shaft, 45-connecting head, 5-guiding rod, 6-screw rod, 7-limiting plate, 8-operating platform, 9-support, 10-pulley, 11-tool box, 12-motor, 13-hanging rod, 14-sleeve, 15-hanging ring, 16-groove, 17-rotating shaft, 18-connecting rod, 19-positioning pin, 20-hoop II and 21-expansion plate.

Detailed Description

The invention will be further illustrated with reference to some specific examples.

Example 1

Referring to fig. 1-3, an overhaul platform for a transformer substation comprises a base 1, a motor 12 and a screw 6, operation platform 8, four guide bars 5, hang pole 13 and hang ladder 4, 1 bottom of base sets up four universal wheels 2 that take the brake, motor 12 and guide bar 5 set up in 1 top of base, motor 12 output shaft is connected with screw rod 6, threaded connection operation platform 8 on the screw rod 6, set up recess 16 on the

operation platform

8, 16 internal rotation connection expansion boards 21 in the recess, make expansion boards 21 outwards overturn, set up supporting component on the expansion boards 21, 6 tops of screw rod still set up limiting plate 7, guide bar 5 runs through operation platform 8, hang pole 13 is connected at 5 tops of two guide bars, respectively set up a sleeve 14 on two hang poles 13, set up link 15 on the sleeve 14, still set up support 9 on the guide bar 5, set up pulley 10 on the support 9, pulley 10 is through flexible cable traction tool case 11.

Referring to fig. 3, the supporting component includes a rotating shaft 17 disposed on the expansion plate 21, a connecting rod 18 rotatably connected to the rotating shaft 17, a first clamp 20 disposed at the end of the connecting rod 18, and a positioning pin 19 for limiting the rotation of the connecting rod 18, a limiting hole matched with the positioning pin 19 is disposed on the operating platform 8 and the connecting rod 18, the limiting hole is disposed near one side of the guide rod 5, a cushion block is further disposed between the expansion plate 21 and the connecting rod 18, the cushion block is rotatably connected to the rotating shaft 17, after the expansion plate 21 is turned over, the cushion block is in close contact with the expansion plate 21, the connecting rod 18 is in close contact with both the cushion block and the operating platform 8, and the.

Referring to fig. 4 and 5, still set up on the guide bar 5 and hang ladder 4, hang ladder 4 and form by a plurality of sections connecting block 41 are articulated, and the lower extreme of connecting block 41 sets up the U connector, set up connecting axle 44 in the connector, the upper end of adjacent below connecting block sets up connector 45, and connector 45 rotates with connecting axle 44 to be connected, sets up hanging hole 43 on the connecting block 41, and the hanging hole 43 of the connecting block of the top cup joints on guide bar 5, still sets up pedal 42 on connecting block 41, and pedal 42 sets up in turn hanging the ladder left and right sides, the convenient climbing.

Referring to fig. 6, the hanging ladder 4 is further provided with a limiting assembly 3, the limiting assembly comprises a limiting column 33 penetrating through the hanging hole 43, a limiting block 32 connected with the limiting column 33, a clamp II 35 fixed with the guide rod 5 and a fixing rod 31 connected with the limiting block 32 and the clamp II 35, a threaded hole 34 is formed in the limiting column 33, the threaded hole 34 is in threaded connection with a limiting bolt, and the limiting assembly generally fixes a connecting block of the hanging ladder, which is close to the upper surface of the base, on the guide rod 5.

When the transformer substation maintenance platform is used, operators are lifted to a certain height according to operation requirements, then the suspension ropes are fixed on the suspension rings, then maintenance operation is carried out, the tool boxes are conveniently transferred through the pulleys, when additional operators need to operate, the operators working on the operation platform are climbed from the suspension ladder, the operators working on the operation platform are not affected, and the working efficiency is greatly improved; and when the operating range of the maintenance platform needs to be enlarged, the expansion plate can be rotated and opened, and the lower part of the expansion plate is fixed with the guide rod through the supporting component.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. an overhaul platform for substation, is characterized in that, comprises base, motor, screw rod, operating platform, guide rod, suspension rod and hanging ladder, described base bottom is provided with the universal wheel with brake, described motor and guide rod It is arranged above the base, the motor output shaft is connected with the screw rod, the screw rod is threadedly connected to the operation platform, the operation platform is provided with a groove, and the expansion board is rotated and connected in the groove, and the support assembly is arranged on the expansion board, so A limit plate is also provided on the top of the screw rod, the guide rod runs through the operation platform, a hanging ladder is also set on the guide rod, the top of the guide rod is connected to a suspension rod, and a number of sleeves are arranged on the suspension rod, and the sleeves Set the hanging ring on.

2 . The maintenance platform for a substation according to claim 1 , wherein the support assembly comprises a rotating shaft arranged on the expansion plate, a connecting rod rotatably connected with the rotating shaft, and a clamp arranged at the end of the connecting rod. 3 . and a positioning pin for restricting the rotation of the connecting rod, the operating platform and the connecting rod are provided with a limit hole matching with the positioning pin, and the limit hole is arranged on one side of the guide rod.

3 . The maintenance platform for a substation according to claim 2 , wherein a cushion block is further arranged between the expansion plate and the connecting rod, and the cushion block is rotatably connected to the rotating shaft. 4 .

4 . The maintenance platform for a substation according to claim 1 , wherein the hanging ladder is hinged by several connecting blocks, the connecting blocks are provided with hanging holes, and the hanging holes of the uppermost connecting block are sleeved. 5 . Connected to the guide rod, the connecting block is also provided with a pedal.

5 . The maintenance platform for a substation according to claim 4 , wherein a U connection port is provided at the lower end of the connection block, a connection shaft is provided in the connection port, and a connection head is provided at the upper end of the adjacent lower connection block, 6 . The connecting head is rotatably connected with the connecting shaft.

6 . The maintenance platform for a substation according to claim 5 , wherein a limit component is further provided on the hanging ladder, and the limit component includes a limit column penetrating the hanging hole, and a limit column. 7 . The connecting limit block, the second clamp fixed with the guide rod, and the fixed rod connecting the limit block and the second clamp, the limit post is provided with a threaded hole, and the threaded hole is threadedly connected with the limit bolt.

7 . The maintenance platform for a substation according to claim 1 , wherein a bracket is further arranged on the guide rod, and a pulley is arranged on the bracket, and the pulley pulls the tool box through a flexible cable. 8 .