CN116177462A

CN116177462A - Working personnel lifting platform for high-altitude operation

Info

Publication number: CN116177462A
Application number: CN202310191462.5A
Authority: CN
Inventors: 王庆华
Original assignee: Shandong East Rail Power Technology Co ltd
Current assignee: Shandong East Rail Power Technology Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-05-30

Abstract

The invention relates to the technical field of lifting platforms, in particular to a worker lifting platform for high-altitude operation; it comprises the following steps: a second class chassis; the rotating disc is arranged at the top of the second type of chassis and close to the vehicle head, and a mounting frame is fixed at the top of the rotating disc; further comprises: the telescopic mechanism is hinged to the mounting frame and rotates around a horizontal shaft on the mounting frame, an angle adjusting oil cylinder is arranged between the telescopic mechanism and the mounting frame, a mounting plate is fixed at the telescopic end of the telescopic mechanism, a fixing shaft parallel to the telescopic mechanism is fixed on the mounting plate, a manned fence is hinged to the tail end of the fixing shaft, and a hydraulic oil cylinder for keeping balance of the manned fence is hinged between the manned fence and the mounting plate; when the manned fence is in an inclined state, the state can be adjusted in real time, so that the manned fence is always in a vertical state, discomfort of riding of workers is avoided, and comfort of the workers on the manned fence is improved.

Description

Working personnel lifting platform for high-altitude operation

Technical Field

The invention relates to the technical field of railway maintenance platforms, in particular to a staff lifting platform for high-altitude operation.

Background

The urban subways and high-speed rails in China develop fast, and the requirements for construction and maintenance of the rail transit sites are increased, so that the market of the overhead operation vehicles is enlarged. However, in order to adapt to the field environment of rail transit, the rail transit adopts electric drive at present, and high-voltage cables are arranged on two sides of a rail, so that the high-altitude operation vehicle is required to run on the rail and simultaneously meets the small requirement of the high-altitude operation field.

The patent application number is 202120551347.0, proposes the highway and railway dual-purpose overhead working truck based on the repacking of second class chassis, the lower part of second class chassis is equipped with two sets of guider around, the rear portion frame front portion position of second class chassis is equipped with the overhead working revolving platform, set up the overhead working arm on the overhead working revolving platform, two sets of guider around including paired leading wheel, lower arm and lower actuating mechanism that stretches, the leading wheel sets up in the bottom of lower arm that stretches, the upper end of lower arm articulates in the below of second class chassis, the decline of lower arm that stretches actuating mechanism drive down rises, the overhead working revolving platform includes the base rotary disk of lower part, the revolving platform of middle part and the overhead working arm fixing base of upper portion. The track overhead working truck adopts a general type two-class chassis to additionally install a railway front-rear guiding system, so that both highways and railways can operate aloft.

This prior art realizes rail formula operation platform's adjustment through operation platform adjustment pneumatic cylinder, but when the operation, needs operating personnel to observe rail formula operation platform's state, and then adjusts operation platform adjustment pneumatic cylinder's flexible volume according to rail formula operation platform's state, when specifically using, needs many people to cooperate the operation, hardly realizes single operation, and then causes extra cost of labor.

Therefore, the invention provides a staff lifting platform for high-altitude operation.

Disclosure of Invention

The invention aims to provide a staff lifting platform for high-altitude operation, which is used for solving at least one technical problem in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a staff lifting platform for aloft work, comprising:

a second class chassis;

the rotating disc is arranged at the position, close to the headstock, of the top of the second-class chassis, and a mounting frame is fixed at the top of the rotating disc;

further comprises:

the telescopic mechanism is hinged to the mounting frame and rotates around a horizontal shaft on the mounting frame, an angle adjusting oil cylinder is arranged between the telescopic mechanism and the mounting frame, a mounting plate is fixed to the telescopic end of the telescopic mechanism, a fixing shaft parallel to the telescopic mechanism is fixed to the mounting plate, a manned fence is hinged to the tail end of the fixing shaft, and a hydraulic oil cylinder used for keeping balance of the manned fence is hinged between the manned fence and the mounting plate.

Further, the staff lifting platform further comprises:

balance detection mechanism, balance detection mechanism is including installing the detection box in manned rail bottom, the inside rotation of detection box is installed the swing arm, the lower extreme of swing arm is fixed with gravity ball, the both sides of swing arm are fixed with the arc pole, the inside both sides of detection box are fixed with the arc pipe that corresponds with the arc pole, two be fixed with the contact switch that is used for controlling hydraulic cylinder oil circuit to open and close on the inner wall of arc pipe respectively, when the swing arm is in vertical state, the arc pole with contact switch does not contact.

Further, the balance detection mechanism further comprises a PLC controller, the PLC controller is connected with the contact switches, the hydraulic pump of the hydraulic oil cylinder and the electromagnetic valve for controlling the opening and closing of an oil way of the hydraulic oil cylinder, when the swing arm swings leftwards, the arc-shaped rod presses one of the contact switches, and the piston end of the hydraulic oil cylinder stretches; when the swing arm swings rightwards, the arc-shaped rod presses the other contact switch, and the piston end of the hydraulic oil cylinder is shortened.

Further, the telescopic mechanism is an air cylinder, a hydraulic cylinder or an electric push rod.

Further, the staff lifting platform further comprises at least two groups of railway track travelling mechanisms arranged at the bottoms of the two types of chassis, each railway track travelling mechanism comprises a lifting oil cylinder fixed at the bottom of the two types of chassis, a reduction motor is fixed at the piston end of each lifting oil cylinder, an output shaft is fixed at the output end of each reduction motor, and track travelling wheels are fixed on the output shafts.

Further, a supporting shaft is symmetrically fixed on one side of the mounting plate, which is close to the telescopic mechanism, and a guiding mechanism for slidably supporting the supporting shaft is fixed on the telescopic mechanism.

Further, guiding mechanism includes two half arc clamps, two half arc clamps pass through bolt fixed connection on telescopic machanism, be provided with on the half arc clamp and be used for the back shaft slides the guide ring that runs through.

Further, the inner bottom wall of manned fence is provided with the support air pocket, the top of support air pocket is provided with supporting platform, the inner wall has been seted up to the guide ring through-hole of telescopic machanism below down, the inside of arc groove is provided with the arc air pocket, support air pocket with the arc air pocket passes through the pipeline intercommunication.

Further, round holes are formed in four corners of the supporting platform, guide posts are slidably arranged in the round holes, and the lower ends of the guide posts are fixed to the bottom wall of the manned fence.

Further, an opening is formed in the front face of the manned fence, and a fence door is hinged to the opening.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, when the angle adjusting oil cylinder runs, the telescopic mechanism can be lifted upwards, so that the overall height of the manned fence can be improved, and the telescopic mechanism can be moved downwards, so that the manned fence is close to the ground, and is convenient for workers to go up.

2. When the angle adjusting oil cylinder runs and stretches, the telescopic mechanism can be lifted upwards, at the moment, the manned fence swings rightwards, the gravity ball is always in a vertical state under the action of gravity, the second switch is triggered, and the hydraulic oil cylinder is shortened, so that the manned fence swings leftwards until the second switch is not pressed, and the manned fence is in the vertical state; when the angle adjusting oil cylinder runs for a short time, the telescopic mechanism can be moved downwards, the manned fence rotates leftwards at the moment, the gravity ball is always in a vertical state under the action of gravity, the first switch is pressed to trigger, the hydraulic oil cylinder is extended at the moment, and therefore the manned fence rotates rightwards until the first switch is not pressed, and the manned fence is in the vertical state at the moment.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of the balance detecting mechanism in FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of the track travel mechanism of FIG. 1;

FIG. 5 is a schematic diagram of a second embodiment of the present invention;

FIG. 6 is a schematic view of the guide mechanism of FIG. 5;

FIG. 7 is a schematic view of the people mover of FIG. 5 with the gate removed

FIG. 8 is a schematic view of the telescopic mechanism of FIG. 5 when lowered;

fig. 9 is a schematic view of the structure of the stationary shaft and the hydraulic cylinder of fig. 8 after shortening.

In the figure:

1. a second class chassis; 2. a railway track running gear; 201. a speed reducing motor; 202. a lifting oil cylinder; 203. an output shaft; 204. track travelling wheels; 3. a rotating disc; 4. a mounting frame; 5. balancing weight; 6. a telescoping mechanism; 7. an angle adjusting cylinder; 8. a mounting plate; 9. a fixed shaft; 10. a hydraulic cylinder; 11. a manned fence; 1101. a fence gate; 1102. a guide post; 1103. supporting the air bag; 1104. a support platform; 12. a balance detection mechanism; 1201. a detection box; 1202. a PLC controller; 1203. a gravity ball; 1204. a rotating shaft; 1205. a swing arm; 1206. a fixing frame; 1207. an arc tube; 1208. an arc-shaped rod; 1209. a first switch; 1210. a second switch; 1211. a rubber cap; 13. a support shaft; 14. a guide mechanism; 1401. a semi-arc clamp; 1402. a guide ring; 1403. an arc-shaped groove; 1404. an arc-shaped air bag.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 9, the present invention provides a technical solution:

example 1

As shown in fig. 1, the working personnel lifting platform for high-altitude operation comprises a second-class chassis 1 and a rotating disc 3, wherein the rotating disc 3 is arranged at the position, close to a vehicle head, of the top of the second-class chassis 1, and a mounting frame 4 is fixed at the top of the rotating disc 3; the telescopic mechanism 6 is hinged on the mounting frame 4 and rotates around a horizontal shaft on the mounting frame 4, an angle adjusting oil cylinder 7 is arranged between the telescopic mechanism 6 and the mounting frame 4, a mounting plate 8 is fixed at the telescopic end of the telescopic mechanism 6, a fixed shaft 9 parallel to the telescopic mechanism 6 is fixed on the mounting plate 8, a manned fence 11 is hinged at the tail end of the fixed shaft 9, a hydraulic oil cylinder 10 for keeping balance of the manned fence 11 is hinged between the manned fence 11 and the mounting plate 8, and the telescopic mechanism is worth noting that a balancing weight 5 is arranged on one side of the mounting frame 4 far away from the telescopic mechanism 6 and used for balancing the weight of the telescopic mechanism 6, and the telescopic mechanism is worth noting that the rotating disc 3 is driven to rotate by a driving mechanism, a rotating oil cylinder and a driving motor are arranged in common driving mechanism and are matched with a gear transmission mechanism to realize the rotation of the rotating disc 3, and the rotation of the rotating disc 3 is the prior art, and the specific structure is not repeated;

when the angle adjusting oil cylinder 7 runs, the telescopic mechanism 6 can be lifted upwards, the overall height of the manned fence 11 can be further improved, the telescopic mechanism 6 can be moved downwards when the manned fence 11 is close to the ground, workers can conveniently go up, when the manned fence 11 is close to the ground, the overall height of the telescopic mechanism is lower, the problem of ultrahigh cannot be caused, and as shown in fig. 8 and 9, the overall height is lower than the height of a head, and walking can be prevented from being blocked in places with limited height;

when the telescopic mechanism 6 is operated, the telescopic end of the telescopic mechanism 6 can be lengthened or shortened, the working range of the manned fence 11 is further improved, the high-altitude operation of workers is facilitated, and different height requirements are met;

just like the angle adjustment hydro-cylinder 7 operation back of above-mentioned description, manned rail 11 need be in vertical state all the time, because in case manned rail 11 is in the incline condition, its inside staff probably consequently the whereabouts, and then cause danger, and for this reason, this application is when manned rail 11 is in the incline condition, can real-time adjustment state, guarantees that manned rail 11 is in vertical state all the time, avoids the uncomfortable that the staff took, has improved the travelling comfort that the staff took manned rail 11.

In one embodiment of the present invention, as shown in fig. 2 and 3, the worker-lifting platform further includes:

the balance detection mechanism 12, the balance detection mechanism 12 comprises a detection box 1201 mounted at the bottom of the manned fence 11, a swing arm 1205 is rotatably mounted in the detection box 1201, a rotating shaft 1204 is fixed in the detection box 1201, a mounting sleeve is arranged at the upper end of the swing arm 1205 and is rotatably mounted on the rotating shaft 1204 in a matched bearing manner, a gravity ball 1203 is fixed at the lower end of the swing arm 1205, arc rods 1208 are fixed at two sides of the swing arm 1205, arc tubes 1207 corresponding to the arc rods 1208 are fixed at two sides of the detection box 1201, a fixing frame 1206 is fixed at the inner top of the detection box 1201, the fixing frame 1206 is fixedly connected with the arc tubes 1207, contact switches for controlling the opening and closing of oil ways of the hydraulic cylinders 10 are respectively fixed on the inner walls of the two arc tubes 1207, and the arc rods 1208 are not contacted with the contact switches when the swing arm 1205 is in a vertical state; it should be noted that, for better distinction, the contact switch is divided into two, the right one is the first switch 1209, the left one is the second switch 1210, and the first switch 1209 and the second switch 1210 are further sleeved with a rubber cap 1211, so as to protect the first switch 1209 and the second switch 1210;

when the angle adjusting oil cylinder 7 runs and stretches, the telescopic mechanism 6 can be lifted upwards, at the moment, the manned fence 11 swings rightwards, the gravity ball 1203 is always in a vertical state under the action of gravity, the second switch 1210 is triggered, the hydraulic oil cylinder 10 is shortened, the manned fence 11 swings leftwards until the second switch 1210 is not pressed, and the manned fence 11 is in a vertical state; when the angle adjusting cylinder 7 is shortened, the telescopic mechanism 6 can be moved downwards, the manned fence 11 is rotated leftwards at this moment, the gravity ball 1203 is always in a vertical state under the action of gravity, the first switch 1209 is pressed and triggered, the hydraulic cylinder 10 is extended at this moment, and thus, the manned fence 11 is rotated rightwards until the first switch 1209 is not pressed, and the manned fence 11 is in a vertical state at this moment.

It is worth to say that, fixed axle 9 is located hydraulic cylinder 10's top, can guarantee that manned fence 11's rotation fulcrum is on, even hydraulic cylinder 10 breaks unexpectedly, fixed axle 9 also can the maximum assurance manned fence 11 be in certain steady state, can not overturn at least, and then ensured staff's safety.

Further, as shown in fig. 2 and 3, the balance detecting mechanism 12 further includes a PLC controller 1202, where the PLC controller 1202 is connected to the contact switch, the hydraulic pump of the hydraulic cylinder, and the solenoid valve for controlling the opening and closing of the oil path of the hydraulic cylinder 10, and when the swing arm 1205 swings leftwards (relatively swings), the arc rod 1208 presses one of the contact switches (the second switch 1210), and the piston end of the hydraulic cylinder 10 extends; when the swing arm 1205 swings rightward (relatively swings), the arc-shaped rod 1208 presses the other contact switch (the first switch 1209), and the piston end of the hydraulic cylinder 10 shortens.

Further, the telescopic mechanism 6 is an air cylinder, a hydraulic cylinder or an electric push rod, and the telescopic mechanism 6 is preferably a hydraulic cylinder.

In a specific embodiment of the present invention, as shown in fig. 4, the staff lifting platform further includes at least two groups of railway track travelling mechanisms 2 disposed at the bottom of the second type chassis 1, the railway track travelling mechanisms 2 include a lifting cylinder 202 fixed at the bottom of the second type chassis 1, a reduction motor 201 is fixed at a piston end of the lifting cylinder 202, an output end of the reduction motor 201 is fixed with an output shaft 203, and a track travelling wheel 204 is fixed on the output shaft 203;

the application is through the railway track running gear 2 through walking on the rail, and then installs or maintains the high altitude object near the rail, and during the concrete use, will carry on the automobile body of second class chassis 1 and open to the rail, then move lift cylinder 202, put the track walking wheel 204 on corresponding rail this moment, move gear motor 201 just can drive the automobile body and remove, realize the object construction on the rail.

When the device is used, a vehicle body carrying the two kinds of chassis 1 is driven to a rail, then the lifting oil cylinder 202 is operated, at the moment, the track travelling wheels 204 are placed on the corresponding rail, the running gear motor 201 can drive the vehicle body to move, the object construction on the rail is realized, when the angle adjusting oil cylinder 7 is operated, the telescopic mechanism 6 can be lifted upwards, the overall height of the manned fence 11 can be further improved, and the telescopic mechanism 6 can be downwards moved when the manned fence 11 is close to the ground, so that the manned fence 11 is convenient for workers to go up; when the angle adjusting oil cylinder 7 runs and stretches, the telescopic mechanism 6 can be lifted upwards, at the moment, the manned fence 11 swings rightwards, the gravity ball 1203 is always in a vertical state under the action of gravity, the second switch 1210 is triggered, the hydraulic oil cylinder 10 is shortened, the manned fence 11 swings leftwards until the second switch 1210 is not pressed, and the manned fence 11 is in a vertical state; when the angle adjusting cylinder 7 is shortened, the telescopic mechanism 6 can be moved downwards, the manned fence 11 is rotated leftwards at this moment, the gravity ball 1203 is always in a vertical state under the action of gravity, the first switch 1209 is pressed and triggered, the hydraulic cylinder 10 is extended at this moment, and thus, the manned fence 11 is rotated rightwards until the first switch 1209 is not pressed, and the manned fence 11 is in a vertical state at this moment.

Example 2

On the basis of the technical scheme of the embodiment 1, the following technical scheme is added:

as shown in fig. 5, the mounting panel 8 is close to one side symmetry of telescopic machanism 6 and is fixed with back shaft 13, is fixed with the guiding mechanism 14 that is used for sliding support back shaft 13 on the telescopic machanism 6, and back shaft 13 can improve the stability of telescopic machanism 6, avoids telescopic machanism 6 to bear the overweight and appear breaking the risk of axle, and when telescopic machanism 6's flexible end stretches or shortens, back shaft 13 slides in guiding mechanism 14 throughout this moment, provides certain supporting role, and then improves the holistic security of this application.

In the specific embodiment of the present invention, as shown in fig. 6, the guiding mechanism 14 includes two semi-arc-shaped hoops 1401, the two semi-arc-shaped hoops 1401 are fixedly connected to the telescopic mechanism 6 through bolts, a guiding ring 1402 for sliding penetration of the supporting shaft 13 is arranged on the semi-arc-shaped hoops 1401, and when the guiding ring is installed, the guiding ring is fixed to the housing of the telescopic mechanism 6 through the two semi-arc-shaped hoops 1401 in cooperation with bolts and nuts, so that the stability of the present application is enhanced by the two supporting shafts 13.

In the specific embodiment of the invention, as shown in fig. 7, a supporting air bag 1103 is arranged on the inner bottom wall of the manned fence 11, a supporting platform 1104 is arranged on the top of the supporting air bag 1103, an arc-shaped groove 1403 is formed in the lower inner wall of a through hole of a guide ring 1402 below the telescopic mechanism 6, an arc-shaped air bag 1404 is arranged in the arc-shaped groove 1403, and the supporting air bag 1103 is communicated with the arc-shaped air bag 1404 through a pipeline; when staff and instrument are in on the supporting platform 1104, the gravity effect can compress and support the air pocket 1103, make the inside gas of supporting the air pocket 1103 get into in the arc air pocket 1404 through the pipeline, the arc air pocket 1404 swell can support the back shaft 13 of telescopic machanism 6 below, just offset with the gravity of staff and instrument partially, avoid telescopic machanism 6's flexible end skew downwards, improved telescopic machanism 6's stability and life, avoid too the skew downwards to lead to the problem that produces wearing and tearing rather than the increase of casing frictional force.

In the embodiment of the invention, as shown in fig. 7, four corners of the supporting platform 1104 are respectively provided with a round hole, a guide post 1102 is slidably arranged in the round holes, the lower end of the guide post 1102 is fixed on the bottom wall of the manned fence 11, and the guide post 1102 can play a guiding role to avoid shaking of the supporting platform 1104.

In the specific embodiment of the invention, as shown in fig. 1, the front surface of the manned fence 11 is provided with an opening, and a fence door 1101 is hinged on the opening, so that the fence door 1101 is opened to facilitate the access of staff.

As shown in fig. 9, the lengths of the fixing shaft 9 and the hydraulic cylinder 10 of the present application can be customized according to the requirements, for example, as in fig. 9, the lengths of the fixing shaft 9 and the hydraulic cylinder 10 of the present application are shortened, so that the problem that the whole length of the present application is too long can be avoided, and the application range of the present application is improved.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A staff lifting platform for aloft work, comprising:

a second type chassis (1);

the rotating disc (3), the rotating disc (3) is arranged at the position, close to the head of the vehicle, of the top of the second-class chassis (1), and a mounting frame (4) is fixed at the top of the rotating disc (3);

characterized by further comprising:

the telescopic mechanism (6), telescopic mechanism (6) articulates on mounting bracket (4), and rotates around a horizontal axis on mounting bracket (4), telescopic mechanism (6) with be provided with angle adjustment hydro-cylinder (7) between mounting bracket (4), telescopic mechanism (6) flexible end is fixed with mounting panel (8), be fixed with on mounting panel (8) with telescopic mechanism (6) parallel fixed axle (9), the end of fixed axle (9) articulates there is manned rail (11), manned rail (11) with articulated have between mounting panel (8) be used for keeping manned rail (11) balanced hydraulic cylinder (10).

2. A staff lifting platform for aloft work according to claim 1, wherein: the staff lifting platform further comprises:

balance detection mechanism (12), balance detection mechanism (12) are including installing detection box (1201) in manned rail (11) bottom, swing arm (1205) are installed in the inside rotation of detection box (1201), the lower extreme of swing arm (1205) is fixed with gravity ball (1203), the both sides of swing arm (1205) are fixed with arc pole (1208), the inside both sides of detection box (1201) are fixed with arc pipe (1207) that correspond with arc pole (1208), two be fixed with respectively on the inner wall of arc pipe (1207) be used for controlling the contact switch that hydraulic cylinder (10) oil circuit was opened and close, when swing arm (1205) are in vertical state, arc pole (1208) with contact switch does not contact.

3. A staff lifting platform for aloft work according to claim 2, wherein: the balance detection mechanism (12) further comprises a PLC (programmable logic controller) controller (1202), the PLC controller (1202) is connected with a contact switch, a hydraulic pump of a hydraulic oil cylinder and an electromagnetic valve for controlling the opening and closing of an oil way of the hydraulic oil cylinder (10), when the swing arm (1205) swings leftwards, the arc-shaped rod (1208) presses one of the contact switches, and the piston end of the hydraulic oil cylinder (10) stretches; when the swing arm (1205) swings rightward, the arc-shaped rod (1208) presses the other contact switch, and the piston end of the hydraulic cylinder (10) is shortened.

4. A staff lifting platform for aloft work according to claim 3, wherein: the telescopic mechanism (6) is an air cylinder, a hydraulic cylinder or an electric push rod.

5. A staff lifting platform for aloft work according to claim 3, wherein: the working personnel lifting platform further comprises at least two groups of railway track travelling mechanisms (2) arranged at the bottoms of the two types of chassis (1), each railway track travelling mechanism (2) comprises a lifting oil cylinder (202) fixed at the bottoms of the two types of chassis (1), a reduction motor (201) is fixed at the piston end of each lifting oil cylinder (202), an output shaft (203) is fixed at the output end of each reduction motor (201), and track travelling wheels (204) are fixed on the output shafts (203).

6. The aerial work personnel lift platform of claim 5, wherein: a supporting shaft (13) is symmetrically fixed on one side of the mounting plate (8) close to the telescopic mechanism (6), and a guide mechanism (14) for slidably supporting the supporting shaft (13) is fixed on the telescopic mechanism (6).

7. The aerial work personnel lift platform of claim 6, wherein: the guide mechanism (14) comprises two semi-arc-shaped hoops (1401), the two semi-arc-shaped hoops (1401) are fixedly connected to the telescopic mechanism (6) through bolts, and guide rings (1402) used for sliding and penetrating the support shaft (13) are arranged on the semi-arc-shaped hoops (1401).

8. The aerial work personnel lift platform of claim 7, wherein: the inner bottom wall of manned fence (11) is provided with support air pocket (1103), the top of support air pocket (1103) is provided with supporting platform (1104), arc wall (1403) have been seted up to guide ring (1402) through-hole lower inner wall of telescopic machanism (6) below, the inside of arc wall (1403) is provided with arc air pocket (1404), support air pocket (1103) with arc air pocket (1404) are through pipeline intercommunication.

9. The aerial work personnel lift platform of claim 8, wherein: round holes are formed in four corners of the supporting platform (1104), guide posts (1102) are slidably arranged in the round holes, and the lower ends of the guide posts (1102) are fixed to the bottom wall of the manned fence (11).

10. A staff lifting platform for aloft work according to claim 1, wherein: the front face of the manned fence (11) is provided with an opening, and a fence door (1101) is hinged to the opening.