Main transformer air cooling motor dismounting lifting device

Abstract

The utility model discloses a main transformer air cooling motor dismounting lifting device which comprises a bottom frame, inclined supports, a fixed cross rod, a fixed pulley, a telescopic fixing device and a lifting tray, the two sides of the bottom frame are provided with the upward inclined supports, the upper ends of the inclined supports are fixedly connected through the fixed cross rod, the fixed cross rod is provided with a pulley support, and the fixed pulley is arranged on the pulley support. A fixed pulley is arranged in the pulley support, a lifting tray is arranged on the bottom frame corresponding to the lower portion of the fixed pulley, and telescopic fixing devices are arranged on the two sides of the bottom frame respectively. The device is simple in structure and portable when the main transformer air-cooled motor is disassembled and assembled, the device is fixed in a machine shell of the main transformer air-cooled motor through the telescopic fixing devices on the two sides of the bottom frame, the device is also convenient to fix and disassemble, the height of the lifting tray can be adjusted according to the height of the motor base, the lifting tray is flush with the motor base, and the lifting tray is convenient to disassemble and assemble. And the motor is lifted through the fixed pulley and the rope, so that the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor dismounting and lifting device technical field especially relates to a main variable air volume cooling motor dismounting and lifting device. BACKGROUND

[0002] At present, most of the transformer substations adopt air cooling mode to dissipate heat, when the air cooling motor is damaged, maintenance personnel need to replace or repair the air cooling motor in time, but due to the problems of large size, large weight and high installation height, it is time-consuming and laborious to dismount and mount the air cooling motor by using artificial lifting method, and there is a great safety risk of personnel injury, sprain and equipment damage caused by improper cooperation of maintenance personnel; the current dismounting device is a lifting vehicle or a built ladder, and then the dismounting work is carried out, the fan guard net is removed first during maintenance, the fan blade is removed, and then the motor is dismounted and mounted, since the air cooling motor is in the middle of the fan shell, it needs to be supported during dismounting and mounting, if the air cooling motor is not supported, it may fall and damage the shell wall during dismounting and mounting, but the current dismounting lifting device dismounts or mounts the motor by lifting, the motor shakes during lifting due to the poor fixation of the rope, which affects the work safety and efficiency; and the current air cooling motor dismounting and mounting auxiliary device cannot be conveniently carried or used, and can only rely on large lifting machines or other lifting devices, and the auxiliary device cannot be fixed well during dismounting and mounting. SUMMARY

[0003] The utility model aims at solving the shortcomings in the prior art and provides a main variable air volume cooling motor dismounting and lifting device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A main variable air volume cooling motor dismounting and lifting device, comprising a chassis, an inclined support, a fixed crossbar, a fixed pulley, an extension fixing device and a lifting tray, the both sides of the chassis are provided with upward inclined supports, the upper end of the inclined support is fixedly connected through the fixed crossbar, the fixed crossbar is provided with a pulley support, the pulley support is provided with a fixed pulley, the lifting tray is arranged on the chassis corresponding to the fixed pulley, and the both sides of the chassis are respectively provided with extension fixing devices.

[0006] The inclined support is arranged at the both sides of the rear end of the chassis, the lifting tray is in the shape of a strip, one end of the lifting tray is rotatably connected to the front end of the chassis through a connecting ring, the other end of the lifting tray is lapped on the rear end of the chassis, a fixed threaded hole is arranged on the chassis at the bottom of the lifting tray at the rear end of the chassis, and a lifting rocker is threadedly connected in the threaded hole;

[0007] The lifting rocker is detachable, and the front end of the lifting tray extends by a distance of 10-20 cm from the chassis; the lifting tray is lifted on one side through rotation of the lifting rocker, and the other side of the corresponding lifting tray is lowered through rotation of the connecting ring.

[0008] The telescopic fixing device is rotatably connected to the two sides of the chassis, and comprises a movable connecting block, a bearing penetrating through the middle of the side surface of the movable connecting block, a screw hole penetrating through the upper and lower sides of the front and rear sides of the movable connecting block, and a butterfly screw threadedly connected in the screw hole.

[0009] The two sides of the chassis are respectively provided with one or more telescopic fixing devices.

[0010] The inclined support is inclined to the rear end of the chassis, and the inclination angle is 10-30 degrees; if the inclined support is vertically arranged, the chassis will be blocked to a certain extent when the air-cooled motor is lifted through the fixed pulley; the inclination angle is arranged, and the lifting through the fixed pulley is more convenient.

[0011] The top sheet is made of rubber material, and is more easily fixed to the inner wall of the shell.

[0012] The chassis is a square cylindrical steel frame.

[0013] The beneficial effects of the utility model are as follows: simple structure, portable during disassembly and assembly of the main transformer air-cooled motor, the device is fixed in the shell of the main transformer air-cooled motor through the telescopic fixing devices on the two sides of the chassis, and the device is also convenient to disassemble and assemble; the height of the lifting tray can be adjusted according to the height of the motor base, so that the lifting tray is flush with the motor base, the motor is conveniently disassembled, taken out and assembled, the motor is lifted through the fixed pulley and the rope, and the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural view of the utility model;

[0015] Figure 2 It is a side view of the utility model;

[0016] Figure 3 It is another state side view of the utility model;

[0017] Figure 4 It is a telescopic fixing device structure view of the utility model;

[0018] In the figure: 1, the chassis; 11, fixed threaded hole; 2, inclined support; 3, fixed crossbar; 4, pulley support; 5, fixed pulley; 6, telescopic fixing device; 61, movable connecting block; 62, threaded hole; 63, bearing; 64, butterfly screw; 65, top sheet; 7, lifting tray; 71, connecting ring; 72, baffle; 8, lifting rocker. DETAILED DESCRIPTION

[0019] Example 1

[0020] As Figures 1-4 shown, the utility model provides a main variable air cooling motor dismounting and lifting device, its structure is: including chassis 1, inclined support 2, fixed crossbar 3, fixed pulley 5, telescopic fixing device 6 and lifting tray 7, the chassis 1 is the day shape cylinder steel frame, the rear end both sides of chassis 1 are provided with the inclined support 2 upwards, the inclined support 2 is inclined to the rear end of chassis 1, and the inclination angle is 10 degrees, and the upper end of inclined support 2 is fixedly connected through fixed crossbar 3, and fixed crossbar 3 is provided with pulley support 4, and pulley support 4 is provided with fixed pulley 5 in, and the lifting tray 7 is provided on the chassis 1 below corresponding fixed pulley 5, and the lifting tray 7 is strip-shaped, and one end bottom of lifting tray 7 is rotatably connected in the front end of chassis 1 through connecting ring 71, and the other end top of lifting tray 7 is provided with baffle 72, and the other end of lifting tray 7 is overlapped in the rear end of chassis 1, and the chassis 1 is provided with fixed threaded hole 11 on the chassis 1 of lifting tray 7 bottom in the rear end, and lifting rocker 8 is screw-connected in threaded hole; Lifting rocker 8 is detachable, and the front end of lifting tray 7 extends 20cm from the chassis 1;

[0021] The both sides of chassis 1 are provided with one telescopic fixing device 6 respectively; telescopic fixing device 6 is rotatably connected in the both sides of chassis 1, and telescopic fixing device 6 includes movable connecting block 61, the side surface of movable connecting block 61 is provided with the bearing 63 of penetration, the bearing 63 is sleeved on the chassis 1, the movable connecting block 61 is provided with the threaded hole 62 of penetration on the upper and lower sides of the front and rear sides, the threaded hole 62 is screw-connected with butterfly screw 64, the front end of butterfly screw 64 is out of threaded hole 62, and the front end of butterfly screw 64 is provided with top sheet 65; top sheet 65 is of rubber material,

[0022] Specifically, when in use, the device is carried to the position of the main variable air cooling motor, the fan guard net and the fan blade are removed, and then the device is fixed on the inner wall of the motor shell through the telescopic fixing devices 6 on both sides of the base frame 1. Generally, the motor shell is cylindrical. The device is placed in the appropriate position, the butterfly screw 64 on the telescopic fixing device 6 on both sides is rotated, the nail piece is clamped on the inner wall of the motor shell for fixation, after the fixation, the motor is disassembled, the front end of the lifting tray 7 is adjusted to be flush with the motor bottom plate through the lifting rocker 8, the disassembled motor is placed on the lifting tray 7, the motor can be dragged through the fixed pulley 5 and the rope, the lifting tray 7 is reset through the lifting rocker 8, and then the motor is dragged out to the other end of the lifting tray 7 through the fixed pulley 5 and the rope, and then the motor is lowered to the ground through the fixed pulley 5 and the rope.

[0023] Embodiment 2

[0024] The utility model provides a kind of main variable air cooling motor dismounting and lifting device, its structure is: including base frame 1, oblique support 2, fixed cross bar 3, fixed pulley 5, telescopic fixing device 6 and lifting tray 7, base frame 1 is day-shaped cylindrical steel frame, the rear end of base frame 1 is provided with the oblique support 2 to the two sides upwards, oblique support 2 is inclined to the rear end of base frame 1, and the inclination angle is 30 degrees, and oblique support 2 upper end is fixedly connected by fixed cross bar 3, and fixed cross bar 3 is provided with pulley support 4, and pulley support 4 is provided with fixed pulley 5 in it, and lifting tray 7 is provided on the corresponding base frame 1 below fixed pulley 5, and lifting tray 7 is strip-shaped, and one end bottom of lifting tray 7 is rotatably connected in the front end of base frame 1 by connecting ring 71, and the other end top of lifting tray 7 is provided with baffle 72, and the other end of lifting tray 7 is overlapped in the rear end of base frame 1, and fixed screw hole 11 is provided on the base frame 1 of the rear end of base frame 1 lifting tray 7 bottom, and lifting rocker 8 is screw-connected in screw hole;Lifting rocker 8 is detachable, and the front end of lifting tray 7 is extended by 110cm distance of base frame 1;

[0025] Two telescopic fixing devices 6 are respectively arranged on the two sides of base frame 1;Telescopic fixing device 6 is rotatably connected on the two sides of base frame 1, and telescopic fixing device 6 includes movable connecting block 61, the side surface of movable connecting block 61 is provided with the shaft bearing 63 that is penetrated, the shaft bearing 63 is sleeved on base frame 1, the upper and lower sides of movable connecting block 61 are provided with the screw hole 62 that is penetrated, the screw hole 62 is screw-connected butterfly screw 64, the front end of butterfly screw 64 is out of screw hole 62, and the front end of butterfly screw 64 is provided with nail piece 65;Nail piece 65 is of rubber material.

Claims

1. A main transformer air-cooled motor disassembly and assembly lifting device, characterized by: It includes a base frame, an oblique bracket, a fixed cross bar, a fixed pulley, a telescopic fixing device and a lifting tray. Upward oblique brackets are provided on both sides of the base frame. The upper ends of the oblique brackets are fixedly connected through fixed cross bars. A pulley bracket is provided on the fixed cross bar. A fixed pulley is provided in the pulley bracket. A lifting tray is provided on the base frame corresponding to the fixed pulley, and telescopic fixing devices are provided on both sides of the base frame.

2. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 1, characterized in that: The oblique brackets are arranged on both sides of the rear end of the base frame. The lifting tray is in the shape of a long strip. The bottom of one end of the lifting tray is rotatably connected to the front end of the base frame through a connecting ring. The other end of the lifting tray is overlapped at the rear end of the base frame. A fixed threaded hole is provided on the base frame at the bottom of the lifting tray at the rear end of the base frame, and the lifting rocker is threadedly connected in the threaded hole.

3. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 2, characterized in that: The lifting rocker is detachable, and the front end of the lifting tray extends out of the bottom frame by 10-20 cm.

4. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 3, characterized in that: The telescopic fixing device is rotatably connected to both sides of the base frame, and the telescopic fixing device includes a movable connecting block. The middle of the side of the movable connecting block is a penetrating bearing, and the bearing is sleeved on the base frame. Penetrating screw holes are provided on the upper and lower sides of the front and rear sides of the movable connecting block. The inner threads of the screw holes are connected to butterfly screws, and the front end of the butterfly screw passes through the screw holes. The front end of the butterfly screw is provided with a top plate.

5. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 4, characterized in that: At least one telescopic fixing device is respectively provided on both sides of the base frame.

6. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 5, characterized in that: The oblique bracket is inclined toward the rear end of the chassis, and the inclination angle is 10-30 degrees.

7. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 6, characterized in that: The top sheet is made of rubber.

8. The main transformer air-cooled motor disassembly and assembly lifting device according to claim 7, characterized in that: The base frame is a sun-shaped cylindrical steel frame.

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