CN219489530U

CN219489530U - Transformer substation isolating switch maintenance ladder

Info

Publication number: CN219489530U
Application number: CN202320446105.4U
Authority: CN
Inventors: 宋义
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-08
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to a transformer substation disconnecting switch overhaul ladder which comprises universal idler wheels, a base frame, a motor, fixing blocks and an overhaul movable ladder, wherein the fixing blocks are welded and fixed at the center of one end of the top of the base frame, fixing sliding grooves are formed in the two ends of the fixing blocks, fixing sliding blocks are slidably connected in the fixing sliding grooves on the fixing blocks, a supporting plate is welded and fixed between one sides of the fixing sliding blocks, the motor is fixedly arranged at the center of one end, far away from the fixing blocks, of the base frame through bolts, and bearing seats are inlaid and arranged at the centers of the two ends of the inside of the base frame through bolts. The electric telescopic rod in the groove drives the supporting pad to support the ground, the universal roller is prevented from moving to generate danger, the movable block pushes the supporting plate in the fixed chute on the fixed block through the hinge piece and the hinge rod in the movement, the supporting plate ascends in the fixed chute in the fixed block, the overhaul movable ladder is utilized to carry various devices, time and labor are saved, the efficiency is improved, and the labor intensity is reduced.

Description

Transformer substation isolating switch maintenance ladder

Technical Field

The utility model relates to the related technical field of isolating switches, in particular to a transformer substation isolating switch overhaul ladder.

Background

In recent years, with the rapid increase of electric loads and the increasing aging of partial equipment, faults of the isolating switch are more and more, when the isolating switch is in peak load, the moving contact patch board heats, the safe operation of a power grid is seriously affected, the disconnecting switch needs to be regularly maintained in the power grid management work, the maintenance period of the isolating switch is 4-5 years, and when the isolating switch is overhauled, the isolating switch porcelain insulator is composed of an upper part and a lower part, so that the isolating switch porcelain insulator is higher, great risks are brought to overhaulers standing on a bracket of the isolating switch, large tools such as a crane are required to be used, great difficulty exists in the lifting and installing processes, and great manpower and material resources are consumed, and the operation efficiency is low.

In the related art, the isolation switch maintenance vehicle with the bulletin number of CN205791142U comprises a vehicle body, wherein a vertical stand is arranged at the front end of the vehicle body, a forward inclined crawling ladder is arranged at the rear end of the vehicle body, and an operation platform is arranged between the stand and the top end of the crawling ladder; the lifting beam which protrudes forward is arranged at the top of the vertical frame, a pulley block is arranged on the same side face of the lifting beam and the vertical beam, a lifting hook is hung at the front end of the lifting beam through a lifting rope, a motor is arranged on a vehicle body, a winding wheel is arranged on an output shaft of the motor, and the lifting rope bypasses the pulley block and is fixed on the winding wheel.

However, the applicant believes that the standing area of an operator cannot be provided in the overhaul process of the high-position isolating switch in a simple structure and poor stability, so that time and labor are wasted in the operation process, and lifting transportation cannot be realized when large-scale equipment such as ceramic of the isolating switch is installed, so that the efficiency is low in the installation and overhaul process, the labor intensity of the operator is high, the practicability is poor, and the movement process of the overhaul equipment is very difficult.

Disclosure of Invention

The utility model aims at providing a transformer substation's isolator overhauls ladder to solve the unable region of standing that provides operation workman to the eminence isolator overhauls in-process that proposes among the above-mentioned prior art, lead to time and energy consuming in the operation process, and when installing to large-scale equipment such as isolator's pottery, unable realization lift transportation, remove difficulty etc. lead to at installation overhauls in-process inefficiency, and operation workman's intensity of labour is big, the problem that the practicality is poor.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a transformer substation's isolator overhauls ladder, including universal gyro wheel, base frame, motor, fixed block and maintenance companion ladder, the top one end center department welded fastening of base frame has the fixed block, fixed chute has been seted up at both ends on the fixed block, be located on the fixed block sliding connection has fixed slider in the fixed chute, welded fastening has the backup pad between one side of fixed slider, keep away from on the base frame the one end center department of fixed block has the motor through bolt fixed mounting, the inside both ends center department of base frame is inlayed through the bolt and is installed the bearing frame, there is the screw rod through bolt fixed mounting between the center movable part of bearing frame, the one end of screw rod runs through the bearing frame extends to be fixed on the output of motor, threaded through-connection has the movable block on the screw rod, the top both ends of movable block with through articulated joint between one side both ends of backup pad, the other end welded fastening of fixed slider is in on one side of the bottom of maintenance companion ladder.

Preferably, the support plate and the overhaul movable ladder are both movable on two sides of the fixed block.

Preferably, the universal roller is fixedly arranged around the bottom of the base frame through bolts.

Preferably, the base frame is provided with a groove at one side of the universal roller, the base frame is provided with an electric telescopic rod fixedly arranged at the center of the groove through a bolt, and a rubber supporting pad is fixedly arranged at the bottom of the electric telescopic rod through a bolt.

Preferably, the limit rods are welded and fixed on two sides of the screw rod in the base frame, and the limit rods are movably penetrated into two ends of the movable block.

Preferably, the movable groove is formed in two ends of one side of the top of the base frame, and the hinging rod is movably penetrated in the movable groove.

Preferably, the overhaul movable ladder is of a square frame structure, and the operation windows are formed in the center of the periphery of the overhaul movable ladder.

In summary, the utility model has the technical effects and advantages that:

the movable block on the screw rod can move back and forth on the screw rod through the limiting movement of the limiting rod in the rotating process, the movable block pushes the supporting plate in the fixed sliding groove on the fixed block in the moving process through the hinging piece and the hinging rod, the supporting plate rises in the fixed sliding groove in the fixed block, the overhaul movable ladder on the other side of the fixed block is synchronously driven to lift, a worker stands in the overhaul movable ladder to overhaul the transformer substation isolating switch through the operation window, meanwhile, the overhaul movable ladder is utilized to carry various devices, time and labor are saved, efficiency is improved, labor intensity is reduced, standing areas of operators cannot be provided in the overhaul process of the high-position isolating switch are solved, time and labor are wasted in the operation process, lifting and transportation cannot be realized when large-scale devices such as ceramics for removing the isolating switch are installed, the problem of low labor efficiency in the installation process, the operation intensity is poor in the movement process is solved, and the like.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the prior description will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a substation disconnecting switch overhaul ladder;

fig. 2 is a schematic diagram of the internal structure of a base frame of a substation disconnecting switch maintenance ladder;

fig. 3 is a schematic diagram of a connection structure of a fixed block of a substation disconnecting switch maintenance ladder;

fig. 4 is a schematic view of the bottom structure of a base frame of a substation disconnecting switch maintenance ladder;

in the figure: 1. a universal roller; 2. a base frame; 21. a groove; 22. an electric telescopic rod; 23. a support pad; 3. a motor; 31. a bearing seat; 32. a screw; 33. a movable block; 34. a hinge; 35. a hinge rod; 4. a fixed block; 41. a fixed chute; 42. a fixed slide block; 43. a support plate; 5. a movable ladder is overhauled; 51. and an operation window.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: including universal gyro wheel 1, base frame 2, motor 3, fixed block 4 and maintenance companion ladder 5, the top one end center department welded fastening of base frame 2 has fixed block 4, fixed chute 41 has been seted up at both ends on the fixed block 4, sliding connection has fixed slider 42 in fixed chute 41 on the fixed block 4, welded fastening has backup pad 43 between one side of fixed slider 42, the one end center department of keeping away from fixed block 4 on the base frame 2 has motor 3 through bolt fastening, the inside both ends center department of base frame 2 installs bearing frame 31 through the bolt mosaic, there is screw rod 32 through bolt fastening between the central movable part of bearing frame 31, the one end of screw rod 32 runs through bearing frame 31 and extends to be fixed on motor 3's output, screw rod 32 is last screw thread through connection has movable block 33, there is articulated rod 35 through articulated elements 34 swing joint between the top both ends of movable block 33 and the one side both ends of backup pad 43, the other end welded fastening of fixed slider 42 is on one side of the bottom of maintenance companion ladder 5.

Referring to fig. 1-4, the supporting plate 43 and the overhaul movable ladder 5 are both movably arranged on two sides of the fixed block 4, the universal roller 1 is fixedly arranged on the periphery of the bottom of the base frame 2 through bolts, the groove 21 is formed in one side of the universal roller 1 on the base frame 2, the electric telescopic rod 22 is fixedly arranged on the center of the groove 21 through bolts, the supporting pad 23 made of rubber is fixedly arranged on the bottom of the electric telescopic rod 22 through bolts, the limiting rods 24 are fixedly welded on two sides of the screw rod 32 in the base frame 2, the limiting rods 24 are movably penetrated in two ends of the movable block 33, the movable grooves 25 are formed in two ends of one side of the top of the base frame 2, the hinge rods 35 are movably penetrated in the movable grooves 25, the overhaul movable ladder 5 is of a square frame structure, and the operation windows 51 are formed in the center of the periphery of the overhaul movable ladder 5.

The working principle of the utility model is as follows: the movable block is driven to move through the universal roller, the supporting pad is driven to support the ground through the electric telescopic rod in the groove in the using process, the danger caused by movement of the universal roller is avoided, the movable block is simple and stable in structure, the motor drives the screw rod to stably rotate on the bearing seat, the movable block on the screw rod is limited by the limiting rod in the rotating process, the movable block moves back and forth on the screw rod, the movable block pushes the supporting plate in the fixed sliding groove on the fixed block through the hinge piece and the hinge rod in the moving process, the supporting plate rises in the fixed sliding groove in the fixed block, the overhaul movable ladder on the other side of the fixed block is synchronously driven to lift, a worker stands in the overhaul movable ladder to overhaul the transformer substation isolating switch through the operation window, meanwhile, various equipment is carried by the overhaul movable ladder, time and labor are saved, efficiency is improved, labor are reduced, the problem that the standing area of the operator cannot be provided in the overhaul process is solved, time and labor are wasted in the operation process, lifting transportation cannot be realized when large-scale equipment such as ceramics of the isolating switch is removed is installed, the movement difficulty is caused, the efficiency is low in the installation process, the labor intensity is high, and the overhaul performance is poor.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a transformer substation's isolator overhauls ladder which characterized in that: including universal gyro wheel (1), base frame (2), motor (3), fixed block (4) and maintenance fly ladder (5), the inside both ends center department welded fastening of base frame (2) has fixed block (4), fixed spout (41) have been seted up at both ends on fixed block (4), be located on fixed block (4) sliding connection has fixed slider (42) in fixed spout (41), welded fastening has backup pad (43) between one side of fixed slider (42), keep away from on base frame (2) one end center department of fixed block (4) has motor (3) through bolt fixed mounting, bearing frame (31) are inlayed through the bolt in inside both ends center department of base frame (2), through bolt fixed mounting screw rod (32) between the center movable department of bearing frame (31), one end of screw rod (32) runs through bearing frame (31) extend to be fixed on the output of motor (3), threaded connection has fly block (33) on screw rod (32) run through, one side of articulated rod (35) are passed through between both ends (33) of top and backup pad (43), the other end of the fixed sliding block (42) is welded and fixed on one side of the bottom of the overhaul movable ladder (5).

2. The substation disconnecting switch overhaul ladder according to claim 1, wherein: the supporting plate (43) and the overhaul movable ladder (5) are both movable on two sides of the fixed block (4).

3. The substation disconnecting switch overhaul ladder according to claim 1, wherein: the universal roller (1) is fixedly arranged around the bottom of the base frame (2) through bolts.

4. The substation disconnecting switch overhaul ladder according to claim 1, wherein: the base frame (2) is provided with a groove (21) on one side of the universal roller (1), an electric telescopic rod (22) is fixedly arranged at the center of the groove (21) on the base frame (2) through a bolt, and a rubber supporting pad (23) is fixedly arranged at the bottom of the electric telescopic rod (22) through a bolt.

5. The substation disconnecting switch overhaul ladder according to claim 1, wherein: limiting rods (24) are fixedly welded on two sides of the screw rod (32) in the base frame (2), and the limiting rods (24) movably penetrate through two ends of the movable block (33).

6. The substation disconnecting switch overhaul ladder according to claim 1, wherein: the two ends of one side of the top of the base frame (2) are provided with movable grooves (25), and the hinging rod (35) movably penetrates through the movable grooves (25).

7. The substation disconnecting switch overhaul ladder according to claim 1, wherein: the overhaul movable ladder (5) is of a square frame structure, and an operation window (51) is formed in the center of the periphery of the overhaul movable ladder (5).