阅读说明：本技术 一种可升降可旋转变电检修操作平台 (Liftable rotatable transformer overhauls operation platform ) 是由 苏长宝 沙淼 史义 苏凡 余超 赵邈 高红涛 井银山 张庆 张璐 于 2021-08-19 设计创作，主要内容包括：本发明属于变电检修技术领域,具体涉及一种可升降可旋转变电检修操作平台；它包括固定底盘、竖直导架、升降架和操作台,竖直导架包括立杆,相邻立杆之间连接有横向拉杆和和斜拉杆,立杆的侧面上设置有齿条,升降架包括上架板和下架板,上架板和下架板的外侧面上均设置有外齿环；操作台包括上台板和下台板,上台板与下台板之间固定设置有第二电机,第二电机的输出轴连接有第三齿轮,上台板与下台板之间转动设置有转动轴杆,转动轴杆上设置有第二齿轮和第一齿轮；上台板底面上转动设置有上滚轮和右滚轮,下台板上转动设置有左滚轮和下滚轮；本发明可将工作人员移动到预定位置,辅助变电检修工作人员进行检修工作,提高了工作效率和安全性。(The invention belongs to the technical field of power transformation overhaul, and particularly relates to a liftable and rotatable power transformation overhaul operation platform; the lifting frame comprises an upper frame plate and a lower frame plate, and outer gear rings are arranged on the outer side surfaces of the upper frame plate and the lower frame plate; the operating table comprises an upper table plate and a lower table plate, a second motor is fixedly arranged between the upper table plate and the lower table plate, an output shaft of the second motor is connected with a third gear, a rotating shaft rod is rotatably arranged between the upper table plate and the lower table plate, and a second gear and a first gear are arranged on the rotating shaft rod; the bottom surface of the upper bedplate is rotatably provided with an upper roller and a right roller, and the lower bedplate is rotatably provided with a left roller and a lower roller; the invention can move the working personnel to the preset position to assist the transformer maintenance working personnel to perform maintenance work, thereby improving the working efficiency and the safety.)

1. The utility model provides a liftable rotatable transformer overhauls operation platform, it includes fixed chassis (1), vertical guide frame (2), crane (3) and operation panel (4), its characterized in that: vertical guide frame (2) fixed set up in on fixed chassis (1), vertical guide frame (2) include pole setting (12), and are adjacent be connected with horizontal pull rod (14) and oblique pull rod (15) between pole setting (12), be provided with rack (13) on the side of pole setting (12), crane (3) are including last frame plate (8) and lower frame plate (9), go up frame plate (8) with the middle part of lower frame plate (9) all be provided with vertical guide frame (2) appearance agrees mutually and supplies its guide frame perforation (37) that pass, go up frame plate (8) with all be provided with outer ring gear (11) on the lateral surface of lower frame plate (9), be provided with on the top surface of going up frame plate (8) and encircle board (22) down, go up frame plate (8) with be provided with first motor (10) between lower frame plate (9), upper frame plate (8) with, The device comprises a first support frame (35) and a second support frame (33), wherein a first bevel gear (36) is connected to the first motor (10) through a driving shaft rod (21), a second bevel gear (34) is rotatably arranged on the first support frame (35), a third bevel gear (31) and a lifting gear (32) are rotatably arranged on the second support frame (33), one side of the second bevel gear (34) is meshed with the first bevel gear (36), the other side of the second bevel gear is meshed with the third bevel gear (31), and the lifting gear (32) is meshed with a rack (13); the operating table (4) comprises an upper table plate (7) and a lower table plate (5), a second motor (6) is fixedly arranged between the upper table plate (7) and the lower table plate (5), an output shaft of the second motor (6) is connected with a third gear (25), a rotating shaft lever (18) is rotatably arranged between the upper table plate (7) and the lower table plate (5), a second gear (26) and a first gear (17) are arranged on the rotating shaft lever (18), the second gear (26) is meshed with the third gear (25), and the first gear (17) is meshed with the outer gear ring (11); an upper roller (27) and a right roller (28) are rotatably arranged on the bottom surface of the upper bedplate (8), the upper roller (27) is arranged on the left side of the right roller (28), the upper roller (27) is in rolling connection with the upper frame plate (8), and the right roller (28) is in rolling connection with the inner side surface of the upper annular plate (29); the lower bedplate (5) is rotatably provided with a left roller (19) and a lower roller (20), the left roller (19) is arranged on the left side of the lower roller (20), the left roller (19) is in rolling connection with the inner side surface of the lower annular plate (22), and the lower roller (20) is in rolling connection with the lower frame plate (9).

2. The liftable rotatable transformer of claim 1 overhauls operation platform, characterized in that: a cavity (40) is arranged in the fixed chassis (1), and telescopic supporting legs (41) are arranged in the cavity (40) in a sliding mode.

3. The liftable rotatable transformer overhauls operation platform of claim 1 or 2, characterized in that: in vertical guide frame (2) pole setting (12) are provided with threely, and they are equilateral triangle and set up, adjacent two between pole setting (12) horizontal pull rod (14) to one side pull rod (15) interval sets up, pole setting (12) horizontal pull rod (14) to one side pull rod (15) constitute triangle truss structure.

4. The liftable rotatable transformer of claim 1 overhauls operation platform, characterized in that: and a retainer plate (16) is arranged at the top of the vertical guide frame (2), and the retainer plate (16) is fixedly connected with each upright rod (12).

5. The liftable rotatable transformer of claim 3 overhauls operation platform, characterized in that: first motor (10) are provided with threely, every first motor (10) set up in adjacent two the outside between pole setting (12), every all be provided with on pole setting (12) rack (13), every the outside of pole setting (12) all is provided with second support frame (33), every the both ends of second support frame (33) all rotate and are provided with third bevel gear (31), every the both sides of second support frame (33) all are provided with first support frame (35), and is three pass through between first motor (10) first bevel gear (36), second bevel gear (34) and third bevel gear (31) transmission connection each other.

6. The liftable rotatable transformer of claim 1 overhauls operation platform, characterized in that: go up frame plate (8) with fixed motor bracket (30) that is provided with between frame plate (9) down, first motor (10) fixed set up in on motor bracket (30).

7. The liftable rotatable transformer of claim 5 overhauls operation platform, characterized in that: the first motor (10) is a double-output stepping speed reduction motor.

8. The liftable rotatable transformer of claim 1 overhauls operation platform, characterized in that: a frame plate connecting rod (23) is connected between the upper frame plate (8) and the lower frame plate (9), and a connecting pull rod (24) is connected between the upper bedplate (7) and the lower bedplate (5).

9. The liftable rotatable transformer of claim 1 overhauls operation platform, characterized in that: the first gears (17) are arranged in two, the first gears (17) are arranged on two sides of the second gear (26), and the first gears (17) are respectively in meshed connection with the outer gear ring (11) on the upper frame plate (8) and the lower frame plate (9).

10. The liftable rotatable transformer of claim 5 overhauls operation platform, characterized in that: be provided with spacing guide pulley frame (38) on the bottom surface of lower frame plate (9), every on pole setting (12) the both sides of rack (13) all are provided with two spacing guide pulley frame (38), rotate on spacing guide pulley frame (38) and be provided with spacing guide pulley (39), spacing guide pulley (39) with pole setting (12) roll connection.

Technical Field

The invention belongs to the technical field of power transformation overhaul, and particularly relates to a liftable and rotatable power transformation overhaul operation platform.

Background

The power transformation refers to a process of converting voltage from low level to high level (boosting) or from high level to low level (reducing) through certain equipment in a power system, wherein the rated voltage of a generator in the power system is generally below 15-20 kilovolts, the commonly used transmission voltage levels are 765 kilovolts, 500 kilovolts, 220-110 kilovolts, 35-60 kilovolts and the like, the distribution voltage levels are 35-60 kilovolts, 3-10 kilovolts and the like, and electrical appliances of an electric department comprise high-voltage electrical equipment with the rated voltage of 3-15 kilovolts and low-voltage electrical equipment with the voltage of 110 volts, 220 volts, 380 volts and the like, so that the power system connects parts of different voltage levels through power transformation to form a whole, and the power transformation place is a substation; the transformer maintenance staff is responsible for maintaining, replacing and debugging the circuit breaker and the isolating switch, maintaining transformer equipment such as a transformer and a mutual inductor and the like to ensure that the transformer equipment reaches the quality standard which must be met in safe operation, maintaining, replacing and debugging the transformer equipment, disassembling, maintaining, cleaning, assembling and debugging the circuit breaker and an operating mechanism thereof according to maintenance process guide rules, regulations and technical requirements, performing characteristic tests of electrical and mechanical mechanisms, replacing and maintaining the isolating switch, a load switch and a grounding switch, maintaining transformer equipment such as the transformer, the mutual inductor, an arc suppression coil, a reactor, reactive compensation equipment and a lightning protection facility, processing insulating oil, hydraulic oil and sulfur hexafluoride gas, providing anti-accident measures aiming at the operation conditions, defects and hidden dangers of the equipment, filling in various maintenance reports and the like; it need carry the maintenance instrument in the course of the work, equipment reachs and waits to overhaul substation equipment department, and more substation equipment need set up in the eminence for safety, the staff need move to the different positions that the different substation equipment that wait to overhaul when overhauing the work simultaneously, use traditional climbing device not only to overhaul the operation and carry the maintenance instrument, equipment is inconvenient, working strength is great simultaneously, the security is low, therefore, it can assist the transformer maintenance staff to overhaul the work to provide one kind, the rotatable transformer maintenance operation platform that goes up and down of improvement work efficiency and security is very necessary.

The patent with publication number CN213125353U discloses a simple liftable and rotatable power transformation maintenance operation platform, which comprises a movable base, a central upright column arranged on the base and capable of rotating relatively, an operation platform arranged on the central upright column in a sliding manner, and a lifting adjustment assembly for adjusting the lifting of the operation platform. The utility model discloses a simple liftable rotatable transformer maintenance operation platform, which drives the rotation of the operation platform through the rotation of a central upright post, and can adjust the direction according to the requirement of a station when maintenance work is carried out without moving and climbing the operation platform for many times; through setting up fixed pulley assembly on the central upright post and controlling operation platform's lift, can guarantee when the maintenance work of co-altitude not goes on, adjust lift platform's height by oneself, can cause speed inhomogeneous at the lift in-process, influence the security performance.

The patent document with publication number CN107720643A discloses a rotary adjustable novel electric power overhaul platform, which comprises an overhaul protection frame, a main support frame, an overhaul standing seat, a transmission line, a rotary motor, a support main seat, a wireless control box, a rotatable overhaul seat, a lifting motor, a double rope winder at the same speed, a speed reducer, a lifting pull rope, a support rod of the lifting seat, a lifting pulley buckle, wherein the support main seat is a cuboid, the left side of the top end of the support main seat is horizontally buckled with the rotatable overhaul seat, the right side of the top end of the support main seat is locked with the rotary motor, the rotatable overhaul seat is a cuboid, 4 corners at the top end of the support main seat are vertically welded with the main support frame, the 4 corners are cuboid columns, the upper sides of the 4 corner columns are welded by cuboid crossbeams, when the equipment is used, the reinforcement buckling of the worker standing seat can be controlled by controlling the power on and off of an electromagnet, and the reinforcement rod can automatically pop out the buckling when the power off, therefore, the equipment can better protect the safety of workers when power is off or the lifting device fails. However, the maintenance platform adopts a rotating motor to drive the rotatable maintenance seat to rotate through the supporting main seat, and only the original position rotation can be carried out.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides the liftable and rotatable power transformation maintenance operation platform which is reasonable in structure, convenient to operate and use, capable of assisting power transformation maintenance workers in maintenance work and improving work efficiency and safety.

The purpose of the invention is realized as follows: a liftable rotatable transformer overhauls operation platform, it includes fixed chassis, vertical guide frame, crane and operation panel, vertical guide frame is fixed to on the fixed chassis, vertical guide frame includes the pole setting, connect with horizontal pull rod and diagonal draw bar between the adjacent pole setting, be provided with the rack on the side of pole setting, the crane includes upper frame plate and lower frame plate, the middle part of upper frame plate and lower frame plate all is provided with the vertical guide frame appearance agrees with and supplies its guide frame perforation that passes, upper frame plate and the lateral surface of lower frame plate all are provided with outer ring gear, be provided with the upper annular plate on the top surface of upper frame plate, be provided with the lower annular plate on the bottom surface of lower frame plate, be provided with first motor, first support frame, second support frame between upper frame plate and the lower frame plate, first motor is connected with first bevel gear through the drive axostylus axostyle, a second bevel gear is rotatably arranged on the first support frame, a third bevel gear and a lifting gear are rotatably arranged on the second support frame, one side of the second bevel gear is meshed with the first bevel gear, the other side of the second bevel gear is meshed with the third bevel gear, and the lifting gear is meshed with the rack; the operating table comprises an upper table plate and a lower table plate, a second motor is fixedly arranged between the upper table plate and the lower table plate, an output shaft of the second motor is connected with a third gear, a rotating shaft rod is rotatably arranged between the upper table plate and the lower table plate, a second gear and a first gear are arranged on the rotating shaft rod, the second gear is in meshed connection with the third gear, and the first gear is in meshed connection with the outer gear ring; an upper roller and a right roller are rotatably arranged on the bottom surface of the upper bedplate, the upper roller is arranged on the left side of the right roller, the upper roller is connected with the upper frame plate in a rolling manner, and the right roller is connected with the inner side surface of the upper annular plate in a rolling manner; the lower table plate is rotatably provided with a left roller and a lower roller, the left roller is arranged on the left side of the lower roller, the left roller is in rolling connection with the inner side face of the lower ring plate, and the lower roller is in rolling connection with the lower frame plate.

A cavity is arranged in the fixed chassis, and telescopic supporting legs are slidably arranged in the cavity.

The vertical guide frame is characterized in that the number of the vertical rods is three, the vertical rods are arranged in an equilateral triangle, the adjacent two vertical rods are arranged between the horizontal pull rods and the inclined pull rods at intervals, and the vertical rods, the horizontal pull rods and the inclined pull rods form a triangular truss structure.

And a retainer plate is arranged at the top of the vertical guide frame and is fixedly connected with each upright rod.

The first motors are three, each first motor is arranged on the outer sides between every two adjacent vertical rods, the racks are arranged on the vertical rods, the second support frames are arranged on the outer sides of the vertical rods, the third bevel gears are arranged at the two ends of each second support frame in a rotating mode, the first support frames are arranged on the two sides of each second support frame, and the first motors are connected with the third bevel gears in a transmission mode through the first bevel gears, the second bevel gears and the third bevel gears.

The upper frame plate and the lower frame plate are fixedly provided with a motor bracket, and the first motor is fixedly arranged on the motor bracket.

The first motor is a double-output stepping speed reduction motor.

A frame plate connecting rod is connected between the upper frame plate and the lower frame plate, and a connecting pull rod is connected between the upper bedplate and the lower bedplate.

The first gears are arranged on two sides of the second gear, and the two first gears are respectively in meshed connection with the outer gear rings on the upper frame plate and the lower frame plate.

The bottom surface of the lower frame plate is provided with two limiting guide wheel frames, two sides of the rack are provided with two limiting guide wheel frames in each vertical rod, and the limiting guide wheel frames are rotatably provided with limiting guide wheels which are in rolling connection with the vertical rods.

The invention has the beneficial effects that: the invention relates to a lifting rotatable transformer maintenance operation platform which mainly comprises a fixed chassis, a vertical guide frame, a lifting frame and an operation platform, wherein the vertical guide frame is fixed on the fixed chassis, the lifting frame passes through the vertical guide frame through holes arranged on an upper frame plate and a lower frame plate, a first motor drives a lifting gear to rotate through a driving shaft rod, a first bevel gear and a second bevel gear, the whole lifting frame can be driven to lift along the vertical guide frame through the meshed connection of the lifting gear and a rack, so that the operation platform is driven to lift, the height of equipment to be maintained of a worker is taken, the operation platform is rotationally connected with the lifting frame through an upper roller and a lower roller, a right roller is rotationally connected with the inner side surface of an upper annular plate, a left roller is rotationally connected with the outer side surface of a lower annular plate, so that the operation platform is guided and limited, a second motor drives a rotating shaft rod and a first gear on the rotating shaft rod to rotate through a third gear and a second gear, the operating platform can be driven to rotate by taking the lifting frame as a center through the meshed connection of the first gear and the outer gear ring, so that the working personnel can be moved to the equipment to be overhauled; the liftable and rotatable power transformation maintenance operation platform is reasonable in structure and convenient to operate and use, and can conveniently and quickly move workers to a preset position to assist the power transformation maintenance workers in maintenance work, so that the work efficiency and the safety are improved.

Drawings

Fig. 1 is a schematic structural diagram of a liftable and rotatable power transformation maintenance operation platform.

Fig. 2 is a schematic view of a top view structure of a liftable and rotatable power transformation maintenance operation platform.

Fig. 3 is a schematic structural view of a vertical guide frame of a liftable and rotatable power transformation maintenance operation platform.

Fig. 4 is a schematic structural diagram of the connection between a lifting frame of a lifting rotatable power transformation maintenance operation platform and an operation platform.

Fig. 5 is a schematic view of the bottom view structure of the upper frame plate of the liftable and rotatable power transformation maintenance operation platform.

Fig. 6 is a schematic view of a bottom structure of a lower frame plate of a liftable and rotatable power transformation maintenance operation platform according to the present invention.

Fig. 7 is a schematic structural diagram of a fixed chassis of a liftable and rotatable power transformation maintenance operation platform of the invention.

In the figure: 1. a fixed chassis, 2, a vertical guide frame, 3, a lifting frame, 4, an operation table, 5, a lower table plate, 6, a second motor, 7, an upper table plate, 8, an upper frame plate, 9, a lower frame plate, 10, a first motor, 11, an outer gear ring, 12, a vertical rod, 13, a rack, 14, a transverse pull rod, 15, a diagonal pull rod, 16, a retainer plate, 17, a first gear, 18, a rotating shaft rod, 19, a left roller, 20, a lower roller, 21, a driving shaft rod, 22, a lower ring plate, 23, a ring plate connecting rod, 24, a connecting pull rod, 25, a third gear, 26, a second gear, 27, an upper roller, 28, a right roller, 29, an upper ring plate, 30, a motor bracket, 31, a third bevel gear, 32, a lifting gear, 33, a second support frame, 34, a second bevel gear, 35, a first support frame, 36, a first bevel gear, 37, a guide frame through hole, 38 and a limiting guide frame, 39. limiting guide wheels 40, cavities 41 and telescopic supporting legs.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

Example 1

As shown in fig. 1-7, a liftable and rotatable power transformation maintenance operation platform comprises a fixed chassis 1, a vertical guide frame 2, a lifting frame 3 and an operation platform 4, wherein the vertical guide frame 2 is fixedly arranged on the fixed chassis 1, the vertical guide frame 2 comprises upright rods 12, and is adjacent to the upright rods 12, a transverse pull rod 14 and an inclined pull rod 15 are connected between the upright rods 12, racks 13 are arranged on the side surfaces of the upright rods 12, the lifting frame 3 comprises an upper frame plate 8 and a lower frame plate 9, guide frame through holes 37 matched with the vertical guide frame 2 in shape and used for the vertical guide frame to pass through are arranged in the middle of the upper frame plate 8 and the lower frame plate 9, outer toothed rings 11 are arranged on the outer side surfaces of the upper frame plate 8 and the lower frame plate 9, an upper annular plate 29 is arranged on the top surface of the upper frame plate 8, a lower annular plate 22 is arranged on the bottom surface of the lower frame plate 9, and a first motor 10, a second motor is arranged between the upper frame plate 8 and the lower frame plate 9, The first motor 10 is connected with a first bevel gear 36 through a driving shaft rod 21, a second bevel gear 34 is rotatably arranged on the first support frame 35, a third bevel gear 31 and a lifting gear 32 are rotatably arranged on the second support frame 33, one side of the second bevel gear 34 is meshed with the first bevel gear 36, the other side of the second bevel gear is meshed with the third bevel gear 31, and the lifting gear 32 is meshed with the rack 13; the operating table 4 comprises an upper table plate 7 and a lower table plate 5, a second motor 6 is fixedly arranged between the upper table plate 7 and the lower table plate 5, an output shaft of the second motor 6 is connected with a third gear 25, a rotating shaft rod 18 is rotatably arranged between the upper table plate 7 and the lower table plate 5, a second gear 26 and a first gear 17 are arranged on the rotating shaft rod 18, the second gear 26 is meshed with the third gear 25, and the first gear 17 is meshed with the outer gear ring 11; an upper roller 27 and a right roller 28 are rotatably arranged on the bottom surface of the upper bedplate 8, the upper roller 27 is arranged on the left side of the right roller 28, the upper roller 27 is in rolling connection with the upper frame plate 8, and the right roller 28 is in rolling connection with the inner side surface of the upper annular plate 29; the lower bedplate 5 is rotatably provided with a left roller 19 and a lower roller 20, the left roller 19 is arranged on the left side of the lower roller 20, the left roller 19 is in rolling connection with the inner side surface of the lower annular plate 22, and the lower roller 20 is in rolling connection with the lower frame plate 9.

The invention relates to a liftable and rotatable power transformation maintenance operation platform, which mainly comprises a fixed chassis 1, a vertical guide frame 2, a lifting frame 3 and an operation platform 4, wherein the vertical guide frame 2 is fixed on the fixed chassis 1, the lifting frame 3 passes through the vertical guide frame 2 through guide frame through holes 37 arranged on an upper frame plate 8 and a lower frame plate 9, a first motor 10 drives a lifting gear 32 to rotate through a driving shaft rod 21, a first bevel gear 36 and a second bevel gear 34, the whole lifting frame 3 can be driven to lift along the vertical guide frame 2 through the meshing connection of the lifting gear 32 and a rack 13, so that the operation platform 4 is driven to lift, a worker is brought to the height of equipment to be maintained, the operation platform 4 is rotatably connected with the lifting frame 3 through an upper roller 27 and a lower roller 20, a right roller 28 is rotatably connected with the inner side surface of an upper annular plate 29, and a left roller 19 is rotatably connected with the outer side surface of a lower annular plate 22 to guide and limit the operation platform 4, the second motor 6 drives the rotating shaft rod 18 and the first gear 17 on the rotating shaft rod to rotate through the third gear 25 and the second gear 26, and the operating platform 4 can be driven to rotate by taking the lifting frame 3 as the center through the meshed connection of the first gear 17 and the outer gear ring 11, so that a worker can be moved to the equipment to be overhauled; the liftable and rotatable power transformation maintenance operation platform is reasonable in structure and convenient to operate and use, and can conveniently and quickly move workers to a preset position to assist the power transformation maintenance workers in maintenance work, so that the work efficiency and the safety are improved.

Example 2

As shown in fig. 1-7, a liftable and rotatable power transformation maintenance operation platform comprises a fixed chassis 1, a vertical guide frame 2, a lifting frame 3 and an operation platform 4, wherein the vertical guide frame 2 is fixedly arranged on the fixed chassis 1, the vertical guide frame 2 comprises upright rods 12, and is adjacent to the upright rods 12, a transverse pull rod 14 and an inclined pull rod 15 are connected between the upright rods 12, racks 13 are arranged on the side surfaces of the upright rods 12, the lifting frame 3 comprises an upper frame plate 8 and a lower frame plate 9, guide frame through holes 37 matched with the vertical guide frame 2 in shape and used for the vertical guide frame to pass through are arranged in the middle of the upper frame plate 8 and the lower frame plate 9, outer toothed rings 11 are arranged on the outer side surfaces of the upper frame plate 8 and the lower frame plate 9, an upper annular plate 29 is arranged on the top surface of the upper frame plate 8, a lower annular plate 22 is arranged on the bottom surface of the lower frame plate 9, and a first motor 10, a second motor is arranged between the upper frame plate 8 and the lower frame plate 9, The first motor 10 is connected with a first bevel gear 36 through a driving shaft rod 21, a second bevel gear 34 is rotatably arranged on the first support frame 35, a third bevel gear 31 and a lifting gear 32 are rotatably arranged on the second support frame 33, one side of the second bevel gear 34 is meshed with the first bevel gear 36, the other side of the second bevel gear is meshed with the third bevel gear 31, and the lifting gear 32 is meshed with the rack 13; the operating table 4 comprises an upper table plate 7 and a lower table plate 5, a second motor 6 is fixedly arranged between the upper table plate 7 and the lower table plate 5, an output shaft of the second motor 6 is connected with a third gear 25, a rotating shaft rod 18 is rotatably arranged between the upper table plate 7 and the lower table plate 5, a second gear 26 and a first gear 17 are arranged on the rotating shaft rod 18, the second gear 26 is meshed with the third gear 25, and the first gear 17 is meshed with the outer gear ring 11; an upper roller 27 and a right roller 28 are rotatably arranged on the bottom surface of the upper bedplate 8, the upper roller 27 is arranged on the left side of the right roller 28, the upper roller 27 is in rolling connection with the upper frame plate 8, and the right roller 28 is in rolling connection with the inner side surface of the upper annular plate 29; the lower bedplate 5 is rotatably provided with a left roller 19 and a lower roller 20, the left roller 19 is arranged on the left side of the lower roller 20, the left roller 19 is in rolling connection with the inner side surface of the lower annular plate 22, and the lower roller 20 is in rolling connection with the lower frame plate 9.

For better effect, a cavity 40 is arranged inside the fixed chassis 1, a telescopic leg 41 is slidably arranged in the cavity 40, and the stability of the fixed chassis 1 for supporting and fixing the whole device of the invention is improved through the connection of the telescopic leg 41 with other devices or the ground.

For better effect, in vertical guide 2 pole setting 12 is provided with threely, and they are equilateral triangle setting, adjacent two between the pole setting 12 horizontal pull rod 14 to one side pull rod 15 interval sets up, pole setting 12 horizontal pull rod 14 to one side pull rod 15 constitutes triangle truss structure, and simple structure is reasonable, and structural strength is high, right crane 3 with the stability that operation panel 4 supported is strong.

For better effect, vertical guide 2 top is provided with fender apron 16, fender apron 16 with every the equal fixed connection of pole setting 12 can be right crane 3 go up the frame plate 8 and carry out spacing blockking, improve the security of this device operation.

For better effect, three first motors 10 are provided, each first motor 10 is disposed on the outer side between two adjacent vertical rods 12, each vertical rod 12 is provided with the rack 13, the outer side of each vertical rod 12 is provided with the second support frame 33, two ends of each second support frame 33 are rotatably provided with the third bevel gear 31, two sides of each second support frame 33 are provided with the first support frames 35, and the three first motors 10 are mutually connected through the first bevel gear 36, the second bevel gear 34 and the third bevel gear 31 in a transmission manner; any two motors can be used for driving, the rest motor is used for standby, and three motors can be used for driving simultaneously, so that the applicability is strong.

For better effect, go up the frame plate 8 with fixed being provided with motor bracket 30 between the frame plate 9 down, first motor 10 fixed set up in on the motor bracket 30, simple structure is reasonable, simple to operate.

For better effect, the first motor 10 is a dual-output stepping speed reduction motor, which has a reasonable structure, can effectively simplify a transmission structure, and improves the compactness of the transmission structure.

In order to achieve better effect, a frame plate connecting rod 23 is connected between the upper frame plate 8 and the lower frame plate 9, and a connecting pull rod 24 is connected between the upper bedplate 7 and the lower bedplate 5, so that the structure is simple and reasonable.

For better effect, first gear 17 is provided with two, two first gear 17 set up in the both sides of second gear 26, two first gear 17 respectively with go up the frame plate 8 on the frame plate 9 outer ring gear 11 meshing connection guarantees driven stability, avoids because of the uneven screens of atress.

For better effect, the bottom surface of the lower frame plate 9 is provided with two limiting guide wheel frames 38, two limiting guide wheel frames 38 are arranged on two sides of the rack 13 on each vertical rod 12, a limiting guide wheel 39 is rotatably arranged on each limiting guide wheel frame 38, and the limiting guide wheel 39 is in rolling connection with the vertical rod 12 to guide and limit the lifting frame 3, so that the stability of the lifting frame in the lifting process is ensured.

The invention relates to a liftable and rotatable power transformation maintenance operation platform, which mainly comprises a fixed chassis 1, a vertical guide frame 2, a lifting frame 3 and an operation platform 4, wherein the vertical guide frame 2 is fixed on the fixed chassis 1, the lifting frame 3 passes through the vertical guide frame 2 through guide frame through holes 37 arranged on an upper frame plate 8 and a lower frame plate 9, a first motor 10 drives a lifting gear 32 to rotate through a driving shaft rod 21, a first bevel gear 36 and a second bevel gear 34, the whole lifting frame 3 can be driven to lift along the vertical guide frame 2 through the meshing connection of the lifting gear 32 and a rack 13, so that the operation platform 4 is driven to lift, a worker is brought to the height of equipment to be maintained, the operation platform 4 is rotatably connected with the lifting frame 3 through an upper roller 27 and a lower roller 20, a right roller 28 is rotatably connected with the inner side surface of an upper annular plate 29, and a left roller 19 is rotatably connected with the outer side surface of a lower annular plate 22 to guide and limit the operation platform 4, the second motor 6 drives the rotating shaft rod 18 and the first gear 17 on the rotating shaft rod to rotate through the third gear 25 and the second gear 26, and the operating platform 4 can be driven to rotate by taking the lifting frame 3 as the center through the meshed connection of the first gear 17 and the outer gear ring 11, so that a worker can be moved to the equipment to be overhauled; the liftable and rotatable power transformation maintenance operation platform is reasonable in structure and convenient to operate and use, and can conveniently and quickly move workers to a preset position to assist the power transformation maintenance workers in maintenance work, so that the work efficiency and the safety are improved.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.