CN219365343U - Working platform - Google Patents

Abstract

The utility model discloses an operation platform which comprises a mounting frame and two cantilever platforms, wherein the mounting frame is used for being mounted on a vertical frame, the two cantilever platforms are arranged on the mounting frame side by side along a first horizontal direction, the cantilever platforms can be slidably adjusted along the first horizontal direction, and the cantilever platforms extend out of one side of the mounting frame. The working platform provided by the utility model has the advantages that after a worker climbs on the working platform, the working platform is convenient for completing all the operations in the enclosed area between the two cantilever platforms at one time, and has high automation degree, high working efficiency and good practicability.

Description

Working platform

Technical Field

The utility model relates to an aerial working device, in particular to a working platform.

Background

Aerial work devices are commonly used in performing construction operations on locations at the top of large machinery, such as the wing location of an aircraft. In the related art, an overhead working assembly generally includes a stand and a working platform provided at a top end of the stand, and when the overhead working assembly is used, the stand is moved to a position near a position where a large-scale machine is required to be constructed, and a worker can stand on the working platform to perform the construction.

However, when the existing aerial working device works on the top end of the large-sized mechanical equipment, only after one side of the large-sized mechanical equipment works, the aerial working device is manually moved to the other side of the large-sized mechanical equipment to work, and workers need to repeatedly go up and down the aerial working device to finish all the works, so that the automation degree is low, the working efficiency is low, and the practicability is poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the working platform, after a worker climbs on the working platform, the working platform is convenient for completing all the operations in the enclosed area between the two cantilever platforms at one time, and has high automation degree, high working efficiency and good practicability.

According to an embodiment of the utility model, a work platform includes:

the mounting rack is used for being mounted on the vertical frame;

the two cantilever platforms are arranged side by side along the first horizontal direction and are capable of being slidably adjusted along the first horizontal direction, and the cantilever platforms extend out of one side of the mounting frame.

The working platform provided by the embodiment of the utility model has at least the following beneficial effects:

when the working platform is used for being installed on a vertical frame to form high-altitude working equipment, the high-altitude working equipment with the working platform is moved to the vicinity of the equipment needing the construction work when the position of the top end of the large-scale mechanical equipment needs to be subjected to the construction work, the two cantilever platforms are positioned on two sides of the position of the equipment needing the construction work, then the two cantilever platforms are slidingly adjusted along the mutually approaching direction, the two cantilever platforms are close to the position of the equipment needing the construction work, and finally a worker can perform the construction work on the cantilever platforms. According to the working platform disclosed by the embodiment of the utility model, after the working personnel performs construction operation on one side of the position of the equipment needing construction operation, the working platform can be directly moved to the other cantilever platform to continue construction operation, so that the working platform is convenient for the working personnel to complete all operations in the enclosed area between the two cantilever platforms at one time, and does not need to frequently move an overhead working device, and the working personnel also does not need to frequently go up and down the overhead working device, so that the degree of automation is high, the working efficiency is high, and the practicability is good.

According to some embodiments of the utility model, the stand is vertically provided with a first rack, the mounting frame is provided with a first gear and a first motor connected with the first gear in a transmission way, the first gear is used for meshing with the first rack, the mounting frame is rotatably provided with a limiting wheel, and the side wall of the limiting wheel is used for abutting against the stand so as to keep the first gear in a state of meshing with the first rack.

According to some embodiments of the utility model, the mounting frame is provided with an adjusting groove, the adjusting groove is slidably provided with an adjusting seat, the limiting wheel is rotatably arranged on the adjusting seat, and the adjusting seat is used for controlling the limiting wheel to be close to or far away from the stand through sliding.

According to some embodiments of the utility model, the mounting frame is screwed with an adjusting bolt, the adjusting bolt extends along the sliding direction of the adjusting seat, and the adjusting bolt abuts against the adjusting seat to control the sliding adjustment of the adjusting seat.

According to some embodiments of the utility model, the mounting frame is slidably provided with a positioning pin, the positioning pin is used for being inserted into the stand when the mounting frame is lifted to a set position so as to limit the mounting frame to continue lifting, the mounting frame is provided with a proximity switch connected with the first motor, and the proximity switch is used for sensing and controlling the first motor to stop running when the positioning pin is inserted into the stand.

According to some embodiments of the utility model, the mounting frame is provided with a falling-preventing seat, the falling-preventing seat is provided with two clamping parts, a clamping space for clamping the stand is formed between the two clamping parts, at least one clamping part can be slidingly adjusted along the direction upwards and close to the other clamping part, the top end of the sliding clamping part is connected with a falling-preventing rope, the top end of the falling-preventing rope is connected with a falling protector, and the falling protector is arranged at the top end of the stand.

According to some embodiments of the utility model, a horizontal guide rail extending along the first horizontal direction is arranged at the top end and one side of the mounting frame, and the two cantilever platforms are slidably connected with the horizontal guide rail.

According to some embodiments of the utility model, the mounting frame is rotatably provided with a screw rod corresponding to each cantilever platform and a second motor in transmission connection with the screw rod, the screw rod extends along the first horizontal direction, and the screw rod is in threaded connection with the cantilever platform.

According to some embodiments of the present utility model, the cantilever platforms are provided with a plurality of movable pedals capable of sliding adjustment along the extending direction of the cantilever platforms, and the movable pedals can extend between two cantilever platforms or be accommodated in the corresponding cantilever platforms during the sliding process.

According to some embodiments of the utility model, the cantilever platform comprises a platform body and a guardrail structure mounted to a perimeter side of the platform body in an up-down adjustable manner.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of the overall installation of the present utility model;

FIG. 2 is a schematic view of the installation of the mounting bracket;

FIG. 3 is one of the perspective views of the mounting bracket;

FIG. 4 is another view of the mounting bracket;

FIG. 5 is a schematic view of the installation of the caster;

FIG. 6 is an enlarged view of FIG. 1 at A;

FIG. 7 is an enlarged view at B in FIG. 2;

FIG. 8 is an enlarged view of FIG. 3 at C;

fig. 9 is an enlarged view of D in fig. 4;

FIG. 10 is an enlarged view at E in FIG. 1;

FIG. 11 is a schematic structural view of a cantilever platform;

fig. 12 is a schematic view of the installation of the movable pedal.

Reference numerals:

a mounting frame 100; a first gear 101; a first motor 102; a limit wheel 103; an adjustment slot 104; an adjustment base 105; an adjusting bolt 106; a positioning pin 107; a proximity switch 108; a fall prevention seat 109; a clamping portion 110; a fall arrest rope 111; a fall arrestor 112; a horizontal guide rail 113; a screw 114; a second motor 115; a first decelerator 116; a drive shaft 117;

cantilever platform 200; a movable pedal 201; a platform body 202; a guardrail structure 203; a mounting rail 204; a second rack 205; a second decelerator 206; a second gear 207;

a stand 300; a first rack 301; a guide bar 302; a positioning hole 303; and a fall arrest rail 304.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A work platform according to an embodiment of the present utility model is described below with reference to fig. 1 and 12.

As shown in fig. 1 to 4, a work platform according to an embodiment of the present utility model includes:

a mounting frame 100 for mounting on a stand 300;

the two cantilever platforms 200 are arranged side by side in the first horizontal direction on the mounting frame 100, the cantilever platforms 200 can be slidably adjusted in the first horizontal direction, and the cantilever platforms 200 extend out of one side of the mounting frame 100.

The working platform of the present utility model is used for being installed on the stand 300 to form an aerial working device, when the position of the top end of a large-sized mechanical device needs to be subjected to construction operation, the aerial working device with the working platform is moved to the vicinity of the device needing construction operation, the two cantilever platforms 200 are positioned at two sides of the position of the device needing construction operation, then the two cantilever platforms 200 are slidingly adjusted along the mutually approaching direction, the two cantilever platforms 200 are close to the position of the device needing construction operation, and finally a worker can perform construction operation on the cantilever platforms 200. According to the working platform provided by the embodiment of the utility model, after the working personnel performs construction operation on one side of the position of the equipment where construction operation is required, the working personnel can directly move to the other cantilever platform 200 to continue construction operation, so that the working personnel can conveniently complete all operations in the enclosed area between the two cantilever platforms 200 at one time without frequently moving an overhead working device, and the working personnel also do not need to frequently go up and down the overhead working device.

It should be noted that, the mounting frame 100 may be installed on the stand 300 in a liftable manner, so that a worker can perform construction operations on positions with different heights, the stand 300 may be provided with a stair structure, so that the worker can conveniently reach the radial arm platforms 200 with different heights from the ground to perform operations, and a travelling mechanism may be disposed at the bottom end of the stand 300, so as to facilitate movement of the stand 300. After the mounting frame 100 is mounted on the stand 300, the two cantilever platforms 200 may be located at a side of the mounting frame 100 facing away from the stand 300, and the cantilever platforms 200 may extend in a second horizontal direction perpendicular to the first horizontal direction.

It should be understood that the first horizontal direction and the second horizontal direction mentioned in this embodiment do not refer to specific horizontal directions, and in order to define that the arrangement direction of the two cantilever platforms 200 is the horizontal direction and the same as the sliding direction of the two cantilever platforms 200, the extending direction of the cantilever platform 200 is the other horizontal direction and perpendicular to the sliding direction of the cantilever platform 200.

In some embodiments of the present utility model, as shown in fig. 3 to 7, the stand 300 is vertically provided with a first rack 301, the mounting frame 100 is provided with a first gear 101 and a first motor 102 drivingly connected to the first gear 101, the first gear 101 is used for engaging the first rack 301, the mounting frame 100 is rotatably provided with a limit wheel 103, and a side wall of the limit wheel 103 is used for abutting against the stand 300, so that the first gear 101 is maintained in a state of engaging the first rack 301. Specifically, the first racks 301 may be disposed on one side of the stand 300, and a plurality of first racks 301 may be disposed side by side, and each first rack 301 corresponding to the mounting rack 100 may be provided with a first gear 101, so that the transmission is more stable. The first motor 102 may be drivingly connected with a first reducer 116, the first reducer 116 may be provided with a drive shaft 117, and the first gear 101 is mounted on the drive shaft 117. The stand 300 may be vertically provided with a guide bar 302, and the limiting wheel 103 may abut against the guide bar 302, and a force capable of maintaining the first gear 101 thereon in engagement with the first rack 301 is applied to the mounting frame 100 through interaction between the limiting wheel 103 and the guide bar 302.

In this embodiment, start first motor 102, first motor 102 can drive first gear 101 and rotate, through the meshing of first gear 101 and corresponding first rack 301, can realize the lift adjustment of mounting bracket 100 to the convenience is to the position of not co-altitude construction operation, and simple structure, convenient operation, labour saving and time saving. Meanwhile, after the limiting wheel 103 abuts against the guide bar 302, the first gear 101 can be kept in a state of being meshed with the first rack 301, so that the first gear 101 is prevented from being separated from the corresponding first rack 301, the installation of the installation frame 100 is more stable, and the installation frame 100 is more stable in lifting adjustment.

It should be noted that, the lifting of the mounting frame 100 may be controlled by other means, for example, a winch is provided at the top end of the stand 300, and the lifting of the mounting frame 100 is controlled by the winch. The mounting frame 100 may be further provided with an auxiliary gear corresponding to each first rack 301, and the auxiliary gears are also engaged with the corresponding first racks 301, so that the transmission is smoother.

In some embodiments of the present utility model, as shown in fig. 5 and 7, the mounting frame 100 is provided with an adjusting groove 104, the adjusting groove 104 is slidably provided with an adjusting seat 105, the limiting wheel 103 is rotatably provided on the adjusting seat 105, the limiting wheel 103 can be controlled to be close to or far away from a guide bar 302 of the stand 300 during sliding of the adjusting seat 105, the mounting frame 100 is in threaded connection with an adjusting bolt 106, the adjusting bolt 106 extends along the sliding direction of the adjusting seat 105, and the adjusting bolt 106 is used for abutting against one side of the adjusting seat 105 away from the guide bar 302 so as to control sliding adjustment of the adjusting seat 105.

Specifically, the adjusting groove 104 may be a square groove, the adjusting groove 104 extends along the sliding direction of the adjusting seat 105, the adjusting seat 105 may be a square seat and slidably mounted in the adjusting groove 104, and the limiting wheel 103 may be mounted on the adjusting seat 105 through a bearing. The adjusting bolt 106 is rotated towards the set direction, so that the adjusting bolt 106 moves along the direction approaching the adjusting seat 105, the adjusting bolt 106 can push the adjusting seat 105 to enable the limiting wheel 103 to approach the guide bar 302, and accordingly the first gear 101 can be meshed with the first rack 301 more tightly, and correspondingly, the adjusting bolt 106 is rotated towards the opposite direction of the set direction, so that the first gear 101 can be meshed with the first rack 301 more loosely. That is, the meshing tightness of the first gear 101 and the first rack 301 can be adjusted by rotating the adjusting bolt 106, so that the mounting frame 100 can be lifted more smoothly. Of course, the adjustment base 105 may be controlled to slidably adjust by other means, for example, the adjustment base 105 may be controlled to slidably adjust by an oil cylinder.

In some embodiments of the present utility model, as shown in fig. 6, 7 and 9, the mounting frame 100 is slidably provided with a positioning pin 107, the positioning pin 107 is used to be inserted into the stand 300 when the mounting frame 100 is lifted to a set position, so as to limit the mounting frame 100 to be lifted continuously, the mounting frame 100 is provided with a proximity switch 108 connected to the first motor 102, and the proximity switch 108 is used to sense and control the first motor 102 to stop operating when the positioning pin 107 is inserted into the stand 300. Specifically, the guide bar 302 of the stand 300 may be vertically provided with a plurality of positioning holes 303, when the mounting frame 100 is lifted to a set position, the positioning pin 107 is just aligned with one of the positioning holes 303, and then the positioning pin 107 is slid, and the positioning pin 107 can be inserted into the positioning hole 303, so that the mounting frame 100 can be stopped at the position. When the positioning pin 107 is inserted into one of the positioning holes 303, the proximity switch 108 senses and controls the first motor 102 to stop running, so that safety accidents caused by the fact that a worker starts the first motor 102 at will can be avoided. It should be noted that, the proximity switch 108 is a common device, and the structure and the working principle thereof are not described herein.

In some embodiments of the present utility model, as shown in fig. 6 and 8, the stand 300 may be vertically provided with a fall preventing rail 304, the mounting frame 100 is provided with a fall preventing seat 109, the fall preventing seat 109 is installed with two clamping parts 110, a clamping space for clamping the fall preventing rail 304 of the stand 300 is formed between the two clamping parts 110, at least one clamping part 110 can be slidingly adjusted in a direction of being upward and approaching the other clamping part 110, wherein the top end of the slidable clamping part 110 is connected with a fall preventing rope 111, the top end of the fall preventing rope 111 is connected with a fall preventing device 112, and the fall preventing device 112 is used for being installed at the top end of the stand 300.

When the mounting frame 100 is lifted normally, the anti-falling rope 111 can be wound up into the anti-falling device 112 normally or is unfolded from the anti-falling device 112, when the mounting frame 100 is in uncontrolled falling caused by faults, the anti-falling device 112 can clamp the anti-falling rope 111 instantly, the anti-falling rope 111 is prevented from being unfolded continuously, the anti-falling rope 111 pulls the slidable clamping part 110, the mounting frame 100 can move downwards continuously for tiny displacement, further the slidable clamping part 110 can be adjusted in a sliding mode relative to the mounting frame 100 along the upward direction and the direction close to the other clamping part 110, accordingly, the two clamping parts 110 can be close to each other to clamp the anti-falling guide rail 304, the mounting frame 100 can be prevented from being lowered continuously through the tensile force of the anti-falling rope 111 and the friction effect between the two clamping parts 110 and the anti-falling guide rail 304, the anti-falling effect is good, and further safety is better.

It should be noted that, the anti-falling rail 304 may be provided with two or more side by side, and further, the anti-falling seat 109 and the anti-falling device 112 may be provided with two or more corresponding anti-falling devices. The fall arrestor 112 is a common fall arrestor, and its internal structure and working principle are not described in detail herein. In the two clamping parts 110, one clamping part 110 can be slidably adjusted in the direction of being upward and approaching the anti-falling guide rail 304, in this case, the bottom end of the anti-falling rope 111 is connected to the clamping part 110, or the two clamping parts 110 can be slidably adjusted in the direction of being upward and approaching the anti-falling guide rail 304, in this case, the bottom end of the anti-falling rope 111 is bifurcated and connected to the two clamping parts 110 respectively.

It will be appreciated that the anti-falling seat 109 may be provided with a mounting groove on two sides of the anti-falling rail 304, the clamping portion 110 is mounted in the mounting groove, specifically, a sliding rail extending along an upward direction and a direction close to the anti-falling rail 304 may be disposed in the mounting groove, the clamping portion 110 is slidably mounted on the sliding rail, and the clamping portion 110 may be close to or far away from the anti-falling rail 304 when sliding. When the mounting frame 100 works normally, the anti-falling rope 111 is unfolded or rolled normally, the anti-falling rope 111 has small pulling force on the clamping part 110, and the clamping part 110 can avoid random upward sliding to touch the anti-falling guide rail 304 under the action of self gravity. Of course, in other embodiments of the present utility model, a spring may be disposed between the bottom end of the clamping portion 110 and the fall protection seat 109, and the clamping portion 110 may be limited to slide upwards at will by the spring.

In some embodiments of the present utility model, as shown in fig. 2 to 4, the top and one side of the mounting frame 100 are provided with a horizontal rail 113 extending in a first horizontal direction, and two cantilever platforms 200 are slidably connected to the horizontal rail 113. Specifically, the top end of the mounting frame 100 may be provided with one or more horizontal guide rails 113, one side of the mounting frame 100 may be provided with one or more horizontal guide rails 113, and two cantilever platforms 200 are respectively provided with a plurality of sliding grooves, and the cantilever platforms 200 are slidably connected with the horizontal guide rails 113 through the corresponding sliding grooves. In this embodiment, the top and one side of the mounting frame 100 are both provided with the horizontal guide rail 113, and the cantilever platform 200 is not only connected with the top of the mounting frame 100, but also abuts against one side of the mounting frame 100, so that the mounting of the cantilever platform 200 is more stable, the structural strength is higher, the safety is better, and the sliding of the cantilever platform 200 is smoother.

It should be noted that, the top end and one side of the mounting frame 100 may be provided with corresponding horizontal guide rails 113 corresponding to each cantilever platform 200, and the cantilever platforms 200 are slidably connected to the corresponding horizontal guide rails 113, and of course, two cantilever platforms 200 may also be slidably connected to the same horizontal guide rail 113.

In some embodiments of the present utility model, as shown in fig. 2 to 4, the mounting frame 100 is rotatably provided with a screw 114 corresponding to each cantilever platform 200 and a second motor 115 drivingly connected to the screw 114, the screw 114 extends in a first horizontal direction, and the screw 114 is threadedly connected to the cantilever platform 200. The second motor 115 is started, and the second motor 115 can drive the screw rod 114 to rotate, so that the corresponding cantilever platform 200 is controlled to slide, the structure is simple, the operation is convenient, the corresponding cantilever platform 200 can be independently controlled to slide according to actual demands, and the practicability is good. Of course, other driving structures may be used to control the sliding of the cantilever platform 200, for example, a horizontally disposed oil cylinder may be used to control the sliding of the cantilever platform 200, and a transmission structure such as an electric push rod or a rack and pinion may be used to control the sliding of the cantilever platform 200.

In some embodiments of the present utility model, as shown in fig. 11 and 12, the cantilever platforms 200 are provided with a plurality of movable pedals 201 capable of sliding and adjusting along the extending direction of the cantilever platforms 200, and the movable pedals 201 can extend between two cantilever platforms 200 or be accommodated in the corresponding cantilever platforms 200 during the sliding process. Specifically, the cantilever platform 200 may be provided with a mounting rail 204 along the first horizontal direction, the movable pedal 201 is slidably mounted on the mounting rail 204, the movable pedal 201 may be provided with a second rack 205 along the sliding direction, the cantilever platform 200 is correspondingly provided with a second speed reducer 206, the second speed reducer 206 is provided with a second gear 207 engaging with the second rack 205, and the second speed reducer 206 is driven to drive the second gear 207 to rotate, so that the movable pedal 201 can be controlled to slide through the engagement of the second gear 207 and the second rack 205. The movable pedal 201 can extend between the two cantilever platforms 200 in the sliding process, so that the construction operation of workers is further facilitated, and after the construction operation is completed, the movable pedal 201 is stored in the corresponding cantilever platform 200 again.

It should be noted that, the movable pedal 201 may be manually pulled, so that the movable pedal 201 slides, and the second decelerator 206 is not required to be provided for driving. When the second speed reducer 206 controls the sliding of the movable pedals 201, all the movable pedals 201 may be controlled to slide simultaneously, or the movable pedals 201 may be divided into several groups, each group of movable pedals 201 is correspondingly provided with the second speed reducer 206, and the second speed reducer 206 controls the sliding of the corresponding group of movable pedals 201, or of course, only one movable pedal 201 may be controlled to slide.

In some embodiments of the present utility model, as shown in fig. 10 and 11, the cantilever platform 200 includes a platform body 202 and a rail structure 203, and the rail structure 203 is mounted to the circumferential side of the platform body 202 to be adjustable up and down. Specifically, the guardrail structure 203 can be provided with a plurality of mounting holes along the vertical direction, and the guardrail structure 203 can be adjusted up and down through installing quick release pins between different mounting holes and the platform body 202, so that the guardrail structure 203 is more convenient to use, and of course, the guardrail structure 203 can be adjusted up and down in other ways, for example, the guardrail structure is controlled through a lifting oil cylinder, and the details are not repeated here.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A work platform, comprising:

the mounting rack is used for being mounted on the vertical frame;

the two cantilever platforms are arranged side by side along the first horizontal direction and are capable of being slidably adjusted along the first horizontal direction, and the cantilever platforms extend out of one side of the mounting frame.

2. The work platform of claim 1, wherein the stand is vertically provided with a first rack, the mounting frame is provided with a first gear and a first motor in driving connection with the first gear, the first gear is used for engaging the first rack, the mounting frame is rotatably provided with a limiting wheel, and a side wall of the limiting wheel is used for abutting against the stand so as to enable the first gear to be kept in a state of engaging the first rack.

3. The work platform of claim 2, wherein the mounting frame is provided with an adjusting groove, the adjusting groove is slidably provided with an adjusting seat, the limiting wheel is rotatably arranged on the adjusting seat, and the adjusting seat is used for controlling the limiting wheel to be close to or far away from the stand through sliding.

4. A work platform according to claim 3, wherein the mounting frame is threaded with an adjustment bolt extending in the sliding direction of the adjustment seat, the adjustment bolt abutting the adjustment seat to control sliding adjustment of the adjustment seat.

5. The work platform of any one of claims 2 to 4 wherein the mounting frame is slidably mounted with a locating pin for insertion into the stand when the mounting frame is raised to a set position to limit continued raising and lowering of the mounting frame, the mounting frame being provided with a proximity switch connected to the first motor for sensing and controlling the first motor to cease operation when the locating pin is inserted into the stand.

6. The work platform of any one of claims 2 to 4, wherein the mounting frame is provided with a fall prevention seat, the fall prevention seat is provided with two clamping parts, a clamping space for clamping the stand is formed between the two clamping parts, at least one clamping part can be slidingly adjusted along the direction upwards and close to the other clamping part, the sliding clamping part is connected with a fall prevention rope, the top end of the fall prevention rope is connected with a fall prevention device, and the fall prevention device is arranged at the top end of the stand.

7. The work platform of any one of claims 1 to 4, wherein a top end and one side of the mounting frame are each provided with a horizontal rail extending in the first horizontal direction, and two cantilever platforms are slidably connected to the horizontal rails.

8. The work platform of any one of claims 1 to 4, wherein the mounting frame is rotatably provided with a screw rod corresponding to each cantilever platform and a second motor in driving connection with the screw rod, the screw rod extends along the first horizontal direction, and the screw rod is in threaded connection with the cantilever platform.

9. The work platform of any one of claims 1 to 4, wherein the cantilever platforms are provided with a plurality of movable pedals capable of sliding adjustment along the extension direction of the cantilever platforms, and the movable pedals can extend between two cantilever platforms or be accommodated in the corresponding cantilever platforms in the sliding process.

10. The work platform of any one of claims 1 to 4, wherein the cantilever platform comprises:

a platform body;

the guardrail structure is installed on the periphery of the platform body in an up-and-down adjustable mode.