Large single-beam movable operation platform and using method

Abstract

The invention discloses a large single-beam movable working platform and a using method, relates to the field of large single-beam working platforms, and aims to solve the problems that an existing platform is poor in adaptability and difficult to move stably. The platform comprises an operation platform frame which is provided with a distance adjusting assembly, a rotating shaft and an advancing assembly. The distance adjusting assembly drives a moving plate to accurately adjust the distance through a two-way screw rod and a distance adjusting motor, and is matched with a telescopic spline to adapt to beam bodies of different sizes; the advancing assembly drives a driving wheel through a telescopic spline by an advancing motor, and stable movement in operation is achieved. Servo electric cylinders are arranged on two sides of the frame, the top ends of piston rods of the servo electric cylinders are connected with pulleys with pressure sensors, stable lateral limiting is formed, and the operation platform floor guarantees operation safety. The equipment is provided with a battery and a control panel, the battery supplies power, and the control panel is linked with all parts and controls the servo electric cylinder to act in combination with related hydraulic parts. During use, the operation is completed through the steps of hoisting, wiring debugging, distance adjusting adaptation, stable fixing, operation movement and reset storage, the universality is high, and the requirements for size adaptation and flexible movement of large-scale single beam operation are met.

Description

Technical Field

[0001] This invention relates to the field of large single-beam work platforms, and more particularly to a large single-beam mobile work platform and its usage method. Background Technology

[0002] Large single beam structures are widely used in various critical load-bearing scenarios due to their core advantages such as high load-bearing capacity and large span coverage. These large single beams are usually in high-altitude working environments, and their surface maintenance, component replacement, structural inspection and other tasks need to be completed with the help of a special working platform. Since large single beams have various sizes and specifications, and the working position needs to be frequently adjusted during the operation, high requirements are placed on the size adaptability and mobility of the working platform.

[0003] Existing work platforms for large single beams lack spacing adjustment mechanisms. Most platforms are custom-designed for large single beams of specific specifications, and cannot be quickly adjusted to adapt to the size of large single beams of different widths and spans. This results in the need to prepare different special equipment for beams of different specifications during operation, which not only increases equipment investment costs but also prolongs the operation preparation cycle. Furthermore, it is difficult to achieve smooth and continuous movement during operation, and cannot meet the actual needs of frequent adjustment of the working position in the operation of large single beams. Summary of the Invention

[0004] To overcome the above shortcomings, the present invention provides a large single-beam mobile work platform and its usage method, aiming to improve the problem that existing large single-beam work platforms lack spacing adjustment mechanisms and are difficult to achieve smooth and continuous movement in the working state.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a large single-beam mobile work platform, comprising a work platform frame, the work platform frame including a suspension frame, mounting plates fixedly connected to both sides of the suspension frame, an adjusting component and a rotating shaft arranged between the mounting plates, the rotating shaft being rotatably connected to the mounting plates; the adjusting component including a moving plate, two moving plates being symmetrically arranged and slidably connected to the mounting plates; a traveling component arranged below the moving plate, the traveling component including a driving wheel and a driven wheel, the moving plate being rotatably connected to a driving wheel and a driven wheel respectively, the driving wheel being connected to the rotating shaft via a telescopic spline, the driving wheel being circumferentially fixedly connected to the rotating shaft, and the driving wheel being axially slidably connected to the rotating shaft.

[0006] Preferably, the adjusting assembly further includes a bidirectional lead screw, which is rotatably connected to the mounting plate. Two movable plates are threadedly connected to both ends of the bidirectional lead screw. Guide rods are slidably connected to the movable plates, with both ends of the guide rods fixedly connected to the mounting plate. One end of the bidirectional lead screw is connected to an adjusting motor, which is fixedly connected to the mounting plate. The adjusting motor drives the bidirectional lead screw to rotate, thereby causing the movable plates to move horizontally along the guide rods. Through the cooperation of the adjusting motor, the bidirectional lead screw, and the guide rods, precise adjusting of the movable plates is achieved, quickly adapting to beams of different sizes and improving the platform's versatility.

[0007] Preferably, the traveling assembly further includes connecting plates, with both the driving wheel and the driven wheel rotatably connected between the two connecting plates; the telescopic spline includes an external spline and an internal spline, a traveling bearing is installed inside the connecting plate, the external spline is rotatably connected to the connecting plate via the traveling bearing, and the driving wheel is fixedly connected to the external spline; the internal spline is fixedly sleeved on the rotating shaft, and the internal spline is slidably engaged with the external spline; one end of the rotating shaft is connected to a traveling motor, and the traveling motor is fixedly connected to the mounting plate; the traveling motor drives the driving wheel to rotate via the telescopic spline and the traveling bearing; the telescopic spline, traveling bearing, and motor work together to ensure stable torque transmission after pitch adjustment and to drive the platform to move smoothly, meeting the requirements for flexible adjustment of the working position.

[0008] Preferably, baffles are fixedly provided at both ends of the internal spline; the baffles at both ends of the internal spline limit the sliding range, prevent the spline from disengaging, and ensure the structural reliability of the pitch adjustment and travel process.

[0009] Preferably, servo electric cylinders are symmetrically arranged on both sides of the suspension frame. The piston rod of the servo electric cylinder is rotatably connected to a pulley, and the axis of the pulley is vertical. The servo electric cylinder drives the vertical pulley to press against the beam, forming a lateral limit and enhancing the stability of the platform. At the same time, the pulley reduces movement friction and ensures smooth movement.

[0010] Preferably, a pressure sensor is installed between the piston rod tip of the servo electric cylinder and the pulley; the pressure sensor monitors the contact pressure in real time to avoid damage to the beam due to overpressure or insecure fixation due to underpressure, thereby improving operational safety.

[0011] Preferably, the device also includes a battery, and the adjustable-pitch motor, the travel motor, the servo cylinder, and the pressure sensor are all electrically connected to the battery.

[0012] Preferably, it also includes a control panel, which is electrically connected to the pitch control motor, the travel motor, the servo cylinder, the pressure sensor, and the battery.

[0013] Preferably, the bottom of the work platform frame is provided with a work platform floor; the work platform floor provides a stable operating space for personnel and meets the load-bearing and protection requirements for high-altitude operations.

[0014] A method for using a large single-beam mobile work platform includes the following steps:

[0015] S1: Hoist the entire work platform to the preset area of ​​the work beam, so that the drive wheel and driven wheel are initially placed above the beam, and keep the platform level;

[0016] S2: Connect the control panel and battery to the pitch motor, travel motor, battery, servo cylinder and pressure sensor respectively. Start the control panel to perform communication debugging to ensure that the signal transmission of each component is normal and the action response is consistent.

[0017] S3: Input the dimensions of the working beam through the control panel, set the target distance between the two moving plates, and start the adjustment motor; the adjustment motor drives the bidirectional lead screw to rotate, which drives the two moving plates to move horizontally relative to each other or in opposite directions along the guide rod until the target distance is reached, thus completing the size adaptation between the platform and the beam.

[0018] S4: Start the hydraulic motor powered by the battery via the control panel, control the solenoid directional valve to switch valve cores synchronously, drive the piston rod of the servo cylinder to extend synchronously, and drive the pulley to press against the side of the beam; the control panel receives feedback data from each pressure sensor in real time, and when the pressure value reaches the preset safety threshold, it automatically controls the hydraulic motor to stop and the solenoid directional valve to lock the valve core, thus completing the lateral stabilization limit of the platform.

[0019] S5: When workers need to move during operations, they stand on the work platform floor to carry out the work. When the work position needs to be adjusted, the travel motor is started through the control panel. The travel motor drives the drive wheel to rotate via the shaft and telescopic spline, which in turn drives the driven wheel to move the platform smoothly along the beam. During the movement, the pulleys rotate passively and synchronously with the platform to reduce lateral friction.

[0020] S6: Control the travel motor via the control panel to drive the platform to the safe area at the edge of the beam, where the workers can evacuate; then control the servo electric cylinder piston rod to retract synchronously, and the pulley will detach from the beam; hoist the platform to a safe storage area to complete the operation.

[0021] The present invention has the following beneficial effects:

[0022] 1. This invention solves the problem of existing work platforms being unable to adapt to large single beams of different sizes by using an adjustable spacing component: the bidirectional lead screw and the adjustable spacing motor work together to drive the moving plate to adjust the spacing along the guide rod, and the telescopic spline achieves circumferential fixation and axial sliding connection between the drive wheel and the rotating shaft, which not only ensures the stability of torque transmission, but also flexibly adapts to beams of different widths and spans, eliminating the need to customize special equipment for beams of specific specifications, improving the versatility and applicability of the platform, and reducing equipment investment costs; at the same time, the baffle design at both ends of the internal spline can prevent the spline engagement from disengaging, further ensuring the structural reliability during the spacing adjustment process.

[0023] 2. This invention achieves smooth and continuous movement during operation: The travel motor drives the drive wheel to rotate via a shaft and telescopic spline, which, in conjunction with the driven wheel and the vertical pulley at the top of the servo cylinder, provides support, allowing the platform to move smoothly along the beam. Workers can continue working during this movement. Furthermore, the pressure sensor configuration prevents damage to the beam due to excessive pressure, and the platform floor provides a stable operating space, ensuring the safety and convenience of working at height. Attached Figure Description

[0024] Figure 1 A three-dimensional view of the suspension frame and its components;

[0025] Figure 2 A 3D view of the mobile platform;

[0026] Figure 3 A perspective view of the pitch control assembly and the travel assembly;

[0027] Figure 4 This is a schematic diagram of the structure of the traveling component;

[0028] Figure 5 This is a cross-sectional view of the traveling component;

[0029] Figure 6 This is a top view of a servo electric cylinder.

[0030] Figure 7 This is a 3D view of a mobile platform operating on a large single beam.

[0031] Legend:

[0032] 1. Work platform frame; 11. Suspension frame; 12. Mounting plate; 13. Work platform floor; 2. Two-way lead screw; 21. Adjustable pitch motor; 3. Moving plate; 4. Guide rod; 5. Traveling assembly; 51. Connecting plate; 52. Traveling bearing; 53. External spline; 54. Internal spline; 55. Drive wheel; 56. Driven wheel; 6. Shaft; 61. Baffle; 62. Traveling motor; 7. Servo cylinder; 71. Pulley; 72. Pressure sensor; 8. Battery; 9. Control panel. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Reference Figures 1-7 A large single-beam mobile work platform includes a work platform frame 1, which includes a suspension frame 11. Mounting plates 12 are fixedly connected to both sides of the suspension frame 11. An adjustment component and a rotating shaft 6 are provided between the mounting plates 12, and the rotating shaft 6 is rotatably connected to the mounting plates 12. The adjustment component includes two moving plates 3, which are symmetrically arranged and slidably connected to the mounting plates 12. A traveling component 5 is provided below the moving plates 3. The traveling component 5 includes a driving wheel 55 and a driven wheel 56. The moving plates 3 are rotatably connected to a driving wheel 55 and a driven wheel 56, respectively. The driving wheel 55 is connected to the rotating shaft 6 through a telescopic spline. The driving wheel 55 is circumferentially fixedly connected to the rotating shaft 6, and the driving wheel 55 is axially slidably connected to the rotating shaft 6.

[0035] The pitch adjustment assembly also includes a bidirectional lead screw 2, which is rotatably connected to the mounting plate 12. Two movable plates 3 are threadedly connected to both ends of the bidirectional lead screw 2, and guide rods 4 are slidably connected to the movable plates 3. The two ends of the guide rods 4 are fixedly connected to the mounting plate 12, and a pitch adjustment motor 21 is connected to one end of the bidirectional lead screw 2. The pitch adjustment motor 21 is fixedly connected to the mounting plate 12. The pitch adjustment motor 21 drives the bidirectional lead screw 2 to rotate, thereby driving the movable plates 3 to move horizontally along the guide rods 4.

[0036] The traveling assembly 5 also includes a connecting plate 51, with the driving wheel 55 and the driven wheel 56 rotatably connected between the two connecting plates 51; the telescopic spline includes an external spline 53 and an internal spline 54, a traveling bearing 52 is installed inside the connecting plate 51, the external spline 53 is rotatably connected to the connecting plate 51 through the traveling bearing 52, and the driving wheel 55 is fixedly connected to the external spline 53; the internal spline 54 is fixedly sleeved on the rotating shaft 6, and the internal spline 54 and the external spline 53 are in sliding fit; one end of the rotating shaft 6 is connected to a traveling motor 62, and the traveling motor 62 is fixedly connected to the mounting plate 12; the traveling motor 62 drives the driving wheel 55 to rotate through the telescopic spline and the traveling bearing 52.

[0037] Baffles 61 are fixedly installed at both ends of the internal spline 54.

[0038] The suspension frame 11 is symmetrically equipped with servo electric cylinders 7 on both sides. The piston rod of the servo electric cylinder 7 is rotatably connected to a pulley 71, and the axis of the pulley 71 is vertical.

[0039] A pressure sensor 72 is installed between the top of the piston rod of the servo electric cylinder 7 and the pulley 71.

[0040] It also includes a battery 8, a pitch motor 21, a travel motor 62, a servo cylinder 7, and a pressure sensor 72, all of which are electrically connected to the battery 8.

[0041] It also includes a control panel 9, which is electrically connected to the pitch motor 21, the travel motor 62, the servo cylinder 7, the pressure sensor 72, and the battery 8.

[0042] The bottom of the work platform frame 1 is provided with a work platform floor 13.

[0043] The specific implementation method is as follows: First, connect the power supply interface of battery 8 to the power input terminals of adjustable pitch motor 21, travel motor 62, servo cylinder 7, and pressure sensor 72 respectively to provide power to each actuator; then connect the signal interface of control panel 9 to the signal terminals of all the above-mentioned components one by one to realize control signal transmission. After the wiring is completed, start control panel 9 for debugging, send commands individually to control the forward and reverse rotation of adjustable pitch motor 21, the extension and retraction of servo cylinder 7, and the start and stop of travel motor 62, and observe whether the data feedback of pressure sensor 72 is real-time and accurate, to ensure that the action response of each component is consistent and the signal transmission is without delay, and to check for problems such as loose wiring and signal interference, laying a reliable foundation for subsequent operations.

[0044] Then, the entire work platform is hoisted to the preset area of ​​the work beam using hoisting equipment, and slowly lowered so that the drive wheel 55 and driven wheel 56 are initially placed above the beam. The platform is then calibrated with a level to ensure that it remains level, thus avoiding safety hazards caused by tilting during subsequent operations.

[0045] After successful commissioning, the operator sets the target distance between the two moving plates 3 according to the actual width of the working beam through the input module of the control panel 9, and clicks to start the distance adjustment program. The control panel 9 sends a drive signal to the distance adjustment motor 21, and the distance adjustment motor 21 outputs torque to drive the bidirectional lead screw 2 to rotate around its own axis. Since the threads at both ends of the bidirectional lead screw 2 turn in opposite directions, and the two moving plates 3 respectively mesh with the threads at both ends of the lead screw, and the moving plates 3 are sleeved on the guide rod 4 and slide in cooperation with the guide rod 4, the guide rod 4 plays a guiding and limiting role, which can effectively prevent the moving plates 3 from deviating or jamming during the movement. Therefore, the two moving plates 3 will move horizontally relative to or towards each other along the guide rod 4.

[0046] During this process, the drive wheel 55 maintains a circumferentially fixed connection with the rotating shaft 6 via the telescopic spline outer spline 53 and inner spline 54, ensuring that torque transmission is not affected by the pitch adjustment action. Simultaneously, the outer spline 53 can slide axially along the inner spline 54 with the moving plate 3, flexibly adapting to pitch changes after pitch adjustment. This eliminates the need for custom-designed structures for beams of specific specifications, significantly improving versatility. Furthermore, the baffles 61 fixed at both ends of the inner spline 54 strictly limit the sliding stroke of the outer spline 53, effectively preventing spline disengagement and ensuring structural reliability during the pitch adjustment process. This continues until the moving plate 3 reaches the preset pitch. Upon receiving the positioning signal, the control panel 9 controls the pitch adjustment motor 21 to stop, completing the dimensional adaptation between the platform and the beam.

[0047] After the adjustment is completed, the fixing program is started through the control panel 9. The control panel 9 synchronously sends control signals to the hydraulic motor 81 and the solenoid directional valve 83 of the battery 8: after the hydraulic motor 81 starts, it drives the hydraulic pump 82 to work, draws hydraulic oil from the oil tank 84 and pressurizes it. The high-pressure oil is accurately delivered to the rodless chamber of the four servo cylinders 7 through the A port of the solenoid directional valve 83, pushing the piston rod of the servo cylinder 7 to extend synchronously, thereby driving the pulley 71 at the top of the piston rod to move closer to the side of the beam.

[0048] At this time, the pressure sensor 72 installed between the piston rod top of the servo cylinder 7 and the pulley 71 will detect the contact pressure between the pulley 71 and the beam in real time, and convert the pressure data into an electrical signal to dynamically transmit back to the control panel 9. The control panel 9 has a built-in pressure threshold comparison algorithm. When it detects that the pressure values ​​fed back by all pressure sensors 72 have reached the preset safety threshold, it automatically controls the hydraulic motor 81 to stop and locks the valve core of the electromagnetic reversing valve 83 to achieve pressure holding and fixation of the servo cylinder 7. This pressure closed-loop control method can not only ensure the lateral limit stability of the platform during operation and effectively resist the influence of external forces such as high-altitude wind loads, but also avoid the problem of damage to the beam due to excessive pressure or insecure fixation due to insufficient pressure, significantly improving the safety of high-altitude operations; at the same time, the axis of the pulley 71 is vertical, providing a guiding foundation for the subsequent movement of the platform along the beam.

[0049] After the installation is completed, workers can stand on the work platform floor 13 to carry out surface maintenance, component replacement, structural inspection and other operations. The work platform floor 13 provides workers with a stable and safe operating space.

[0050] When the working position needs to be adjusted, the operator can directly send the travel command through the control panel 9: After the travel motor 62 starts, it outputs torque to drive the rotating shaft 6 to rotate. The inner spline 54 fixedly sleeved on the rotating shaft 6 synchronously drives the outer spline 53 that slides with it to rotate. The circumferential fixed structure ensures efficient torque transmission. The outer spline 53 is rotatably connected to the connecting plate 51 through the travel bearing 52, which in turn drives the drive wheel 55 fixedly connected to the outer spline 53 to rotate. The drive wheel 55 provides driving force, and the driven wheel 56 provides auxiliary support and follows the rotation, so as to realize the platform moves smoothly along the beam.

[0051] During the movement, the pulley 71 at the top of the piston rod of the servo electric cylinder 7 rotates passively in sync with the platform, converting the lateral sliding friction between the platform and the beam into rolling friction, which greatly reduces the movement resistance and avoids jamming, while protecting the surface of the beam from wear. The sliding fit characteristics of the telescopic spline ensure that the power transmission is continuously stable during the movement of the platform, allowing the operator to continue working during the movement.

[0052] After the operation is completed, the operator controls the travel motor 62 via the control panel 9 to drive the platform to a safe area at the edge of the beam. After confirming that the surrounding environment is safe, the operator leaves the work platform. Subsequently, a pressure relief command is sent via the control panel 9, the electromagnetic reversing valve 83 switches to the pressure relief position, the pressure in the rodless chamber of the servo cylinder 7 is gradually released, and the piston rod contracts synchronously under the action of the reset force, driving the pulley 71 to detach from the beam and release the lateral fixation.

[0053] At this time, the driving wheel 55 and the driven wheel 56 remain in close contact with the surface of the beam to ensure the stability of the platform before hoisting and to prevent slippage after detachment from the fixed position; the platform is then safely transferred to the preset safe storage area by the hoisting equipment, completing the entire operation process.

Claims

1. A large single-beam mobile work platform, comprising a work platform frame (1), characterized in that: The work platform frame (1) includes a suspension frame (11), and mounting plates (12) are fixedly connected to both sides of the suspension frame (11). An adjustment component and a rotating shaft (6) are provided between the mounting plates (12). The rotating shaft (6) is rotatably connected to the mounting plates (12). The adjustment component includes a moving plate (3). Two moving plates (3) are symmetrically arranged and slidably connected to the mounting plates (12). A traveling component (5) is provided below the moving plate (3). The traveling component (5) includes a driving wheel (55) and a driven wheel (56). A driving wheel (55) and a driven wheel (56) are rotatably connected to the moving plate (3). The driving wheel (55) is connected to the rotating shaft (6) through a telescopic spline. The driving wheel (55) is circumferentially fixedly connected to the rotating shaft (6). The driving wheel (55) is axially slidably connected to the rotating shaft (6).

2. The large single-beam mobile work platform according to claim 1, characterized in that: The pitch adjustment assembly also includes a bidirectional lead screw (2), which is rotatably connected to the mounting plate (12). Two movable plates (3) are threadedly connected to both ends of the bidirectional lead screw (2). A guide rod (4) is slidably connected to the movable plate (3). Both ends of the guide rod (4) are fixedly connected to the mounting plate (12). One end of the bidirectional lead screw (2) is connected to a pitch adjustment motor (21), which is fixedly connected to the mounting plate (12). The pitch adjustment motor (21) drives the bidirectional lead screw (2) to rotate, thereby driving the movable plate (3) to move horizontally along the guide rod (4).

3. The large single-beam mobile work platform according to claim 1, characterized in that: The traveling assembly (5) also includes a connecting plate (51), and the driving wheel (55) and the driven wheel (56) are rotatably connected between the two connecting plates (51); The telescopic spline includes an external spline (53) and an internal spline (54). A travel bearing (52) is installed inside the connecting plate (51). The external spline (53) is rotatably connected to the connecting plate (51) through the travel bearing (52). The drive wheel (55) is fixedly connected to the external spline (53). The internal spline (54) is fixedly sleeved on the rotating shaft (6). The internal spline (54) and the external spline (53) are slidably engaged. One end of the rotating shaft (6) is connected to a travel motor (62). The travel motor (62) is fixedly connected to the mounting plate (12). The travel motor (62) drives the drive wheel (55) to rotate through the telescopic spline and the travel bearing (52).

4. A large single-beam mobile work platform according to claim 3, characterized in that: The internal spline (54) is fixedly provided with baffles (61) at both ends.

5. A large single-beam mobile work platform according to claim 1, characterized in that: The suspension frame (11) is symmetrically provided with servo electric cylinders (7) on both sides. The piston rod of the servo electric cylinder (7) is rotatably connected to a pulley (71), and the axis of the pulley (71) is vertical.

6. A large single-beam mobile work platform according to claim 5, characterized in that: A pressure sensor (72) is installed between the top of the piston rod of the servo electric cylinder (7) and the pulley (71).

7. A large single-beam mobile work platform according to claims 1 to 6, characterized in that: It also includes a battery (8), and the pitch motor (21), the travel motor (62), the servo cylinder (7), and the pressure sensor (72) are all electrically connected to the battery (8).

8. A large single-beam mobile work platform according to claim 7, characterized in that: It also includes a control panel (9), which is electrically connected to the pitch motor (21), the travel motor (62), the servo cylinder (7), the pressure sensor (72), and the battery (8).

9. A large single-beam mobile work platform according to claim 1, characterized in that: The bottom of the work platform frame (1) is provided with a work platform floor (13).

10. A method of using a large single-beam mobile work platform, characterized in that: Includes the following steps: S1: The entire working platform is hoisted to the preset area of ​​the working beam, so that the driving wheel (55) and driven wheel (56) are initially placed above the beam, keeping the platform level; S2: Connect the control panel (9) and battery to the pitch motor (21), travel motor (62), battery (8), servo cylinder (7) and pressure sensor (72) respectively, start the control panel (9) to perform communication debugging, and ensure that the signal transmission of each component is normal and the action response is consistent; S3: Input the size parameters of the working beam through the control panel (9), set the target distance between the two moving plates (3), and start the adjustment motor (21); the adjustment motor (21) drives the bidirectional lead screw (2) to rotate, and drives the two moving plates (3) to move horizontally relative to each other or towards each other along the guide rod (4) until the target distance is reached, thus completing the size adaptation between the platform and the beam; S4: Start the hydraulic motor (81) of the battery (8) through the control panel (9), control the electromagnetic reversing valve (83) to switch the valve core synchronously, drive the piston rod of the servo cylinder (7) to extend synchronously, and drive the pulley (71) to press against the side of the beam; the control panel (9) receives feedback data from each pressure sensor (72) in real time. When the pressure value reaches the preset safety threshold, it automatically controls the hydraulic motor (81) to stop and the electromagnetic reversing valve (83) to lock the valve core, thus completing the lateral stabilization limit of the platform; S5: When workers need to move their positions, they stand on the floor of the work platform (13) to carry out their work. When the work position needs to be adjusted, the travel motor (62) is started through the control panel (9). The travel motor (62) drives the drive wheel (55) to rotate through the shaft (6) and telescopic spline, and works with the driven wheel (56) to drive the platform to move smoothly along the beam. During the movement, the pulley (71) rotates passively with the platform to reduce lateral friction. S6: Control the travel motor (62) through the control panel (9) to drive the platform to the safe area at the edge of the beam and the workers evacuate; then control the piston rod of the servo cylinder (7) to retract synchronously and the pulley (71) to detach from the beam; hoist the platform to the safe storage area and complete the operation process.

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