Steel structure installation operation platform and control method

Abstract

The invention provides a steel structure installation operation platform and a control method. According to the operation platform, a steel column is arranged in the height direction of a to-be-installed steel structure, and a magnet fixing body extending in the axial direction is arranged in the column body. And the platform body is arranged on the steel column in a sleeving manner and is provided with a holding mechanism which can be controlled to hold or loosen the steel column. A fixed part of the mechanical slow descending device is fixedly connected above the platform body, a movable part of the mechanical slow descending device acts on the steel column, and constant resistance is provided when the platform body descends relative to the steel column. And the electromagnetic speed control device is mounted on the platform body, comprises an electromagnet and can be controlled to generate variable magnetic force acting on the fixed magnet. The wind speed sensor and the laser sensor are fixedly installed on the platform body and are in communication connection with the electromagnetic speed control device; the electromagnetic speed control device adjusts the variable magnetic force according to the wind speed value and the height value, and the descending speed of the platform body is controlled. By means of the operation platform, the installation work of the steel structure can be more efficient and safer.

Description

A steel structure installation operation platform and control method Technical Field

[0001] This application relates to the field of steel structure installation, and more specifically, to a steel structure installation operation platform and control method. Background Technology

[0002] With the increasing number of urban renewal, renovation, and venue projects, steel structure installation, dismantling, and modification work is frequently undertaken. Currently, common methods for steel structure operation platforms include ground-mounted steel pipe platforms and suspended cage operations. Both ground-mounted steel pipe platforms and suspended cages present challenges such as high cost and long construction periods. Summary of the Invention

[0003] This application provides a steel structure installation operation platform and control method, which can make the installation of steel structures more efficient and safer.

[0004] Specifically, this application is achieved through the following technical solution: One aspect of this application provides a steel structure installation operation platform, comprising: a steel column, arranged along the height direction of the steel structure to be installed, wherein a solid magnet extending axially is provided inside the column; a platform body, sleeved on the steel column, and provided with a clamping mechanism capable of controllably clamping or releasing the steel column; a mechanical descent device, comprising a fixed part and a movable part, wherein the fixed part is fixedly connected to the upper part of the platform body, and the movable part acts on the steel column, providing constant resistance when the platform body descends relative to the steel column; and an electromagnetic speed control device, installed on the platform. The platform body includes an electromagnet corresponding to the solid magnet, the electromagnet being controllably capable of generating a variable magnetic force acting on the solid magnet to provide variable additional drag; a wind speed sensor and a laser sensor are fixedly mounted on the platform body and are respectively communicatively connected to the speed control device, the wind speed sensor being used to measure the wind speed value of the environment, and the laser sensor being used to measure the height value of the platform body above the ground; wherein, the electromagnetic speed control device is configured to adjust the variable magnetic force according to the wind speed value measured by the wind speed sensor and the height value measured by the laser sensor to control the descent speed of the platform body.

[0005] Optionally, the platform body includes a first part and a second part, and a plurality of latches are provided between the first part and the second part for locking and fixing the two together.

[0006] Optionally, the clamping mechanism includes a first clamp and a second clamp distributed vertically along the steel column. The first clamp and the second clamp are respectively connected to a first driver and a second driver. The first driver and the second driver can receive remote control signals and independently drive the first clamp and the second clamp to clamp the steel column.

[0007] Optionally, the edge of the platform body is provided with a protective plate, and a ladder is installed on the protective plate. The ladder is a retractable ladder or is connected with a rope ladder.

[0008] Optionally, the solid magnet includes a plurality of solid magnet blocks embedded in the surface of the steel column and uniformly distributed along the axis of the steel column.

[0009] Optionally, the fixed part of the mechanical descent device includes a housing and a first mating block. The housing is fixed to the plane of the platform body, and the first mating block is fixedly installed inside the housing. The movable part is a second mating block that can extend laterally out of the housing. One end of the second mating block engages with the first mating block via an inclined surface, and the other end abuts against the steel column. The lateral dimension between the inclined surface where the first and second mating blocks engage and the steel column increases from top to bottom. When the second mating block moves up along the inclined surface, the lateral constraint on the end of the second mating block abutting against the steel column is enhanced. When the second mating block moves down along the inclined surface, the lateral constraint on the end of the second mating block abutting against the steel column is weakened.

[0010] Optionally, the first mating block is provided with limiting protrusions extending laterally toward the steel column on both the top and bottom to limit the range of motion of the second mating block; and / or the end of the second mating block that abuts against the steel column is provided with a wear-resistant layer; and / or the mechanical descent device includes at least two devices, and is symmetrical about the center of the steel column.

[0011] Another aspect of this application provides a control method for a steel structure installation operation platform, used to control the steel structure installation operation platform described in any of the above claims. The control method includes: acquiring the ambient wind speed value w measured in real time by the wind speed sensor; acquiring the height value h of the platform body above the ground measured in real time by the laser sensor; and adjusting the magnetic force of the electromagnet of the electromagnetic speed control device based on the ambient wind speed value w and the height value h, so as to control the descent speed V of the platform body; wherein, V=V1×[1-k×(w / W1)×(h / H1)], V1 is the reference descent speed of the platform body when the mechanical descent device acts alone, W1 is a preset reference wind speed, H1 is a preset reference height, and k is a preset adjustment coefficient.

[0012] Optionally, the reference descent speed V1 is 0.8m / s-1.1m / s; the reference wind speed W1 is 9.0m / s-11m / s; the reference height H1 is 45m-55m; and the adjustment coefficient k is 0.45-0.55.

[0013] Optionally, the laser sensor includes a single-point ranging mode and an area scanning mode. The laser sensor is configured to switch to the area scanning mode when the height value h detected in the single-point ranging mode is less than or equal to a first preset height. The control method further includes: according to the obstacle information detected by the laser sensor in the area scanning mode, controlling the magnetic force of the electromagnet of the electromagnetic speed control device to increase, so that the platform body is suspended.

[0014] This application provides a steel structure installation operation platform and control method. Firstly, the steel structure installation operation platform of this application is constructed by combining steel columns with the platform body. During construction, external hoisting equipment can be used to initially lift the platform to a designated height, and then a clamping mechanism can securely fix it to the steel columns. Construction personnel can then safely perform installation, welding, and other operations on the platform, achieving a balance between efficiency and safety.

[0015] Secondly, the mechanical descent device provides a constant and reliable basic descent resistance, ensuring the fundamental safety and controllability of the descent process. The electromagnetic speed control device provides additional resistance that can be precisely and dynamically adjusted. Working together, the two allow for flexible and smooth adjustment of the final descent speed within a safe baseline. The electromagnetic speed control device has a built-in control system that dynamically adjusts the speed based on real-time data from wind speed and laser sensors.

[0016] Finally, the purely mechanical descent device is independent of any circuit and control system. In extreme situations such as power outages, control system failures, or electromagnetic system malfunctions, this device can immediately and automatically take over, ensuring that the platform always descends at a preset safe speed, rather than in free fall, thus protecting personnel's lives. Attached Figure Description

[0017] Figure 1 is a schematic diagram of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 2 is a top view of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 3 is a bottom schematic diagram of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 4 is a front view of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 5 is a cross-sectional view of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 6 is a partial enlarged view of Figure 5; Figure 7 is a side view of a steel structure installation operation platform according to an exemplary embodiment of this application; Figure 8 is a partial enlarged view of Figure 7; Figure 9 is a partial top view of an electromagnetic speed control device according to an exemplary embodiment of this application.

[0018] Among them: 100, steel column; 110, solid magnet; 111, solid magnet block; 200, platform body; 210, clamping mechanism; 211, first clamp; 212, second clamp; 220, protective plate; 230, ladder; 201, first part; 202, second part; 203, buckle; 300, mechanical descent device; 310, fixed part; 311, shell; 312, first mating block; 312a, limiting protrusion; 320, movable part; 321, second mating block; 322, wear-resistant layer; 400, electromagnetic speed control device; 410, electromagnet; 500, wind speed sensor; 600, laser sensor. Detailed Implementation

[0019] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0020] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movement of the components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0021] Referring to Figures 1, 5, and 7, this application provides a steel structure installation operation platform comprising: a steel column 100, a platform body 200, a mechanical descent device 300, an electromagnetic speed control device 400, a wind speed sensor 500, and a laser sensor 600. The steel column 100 is arranged along the height direction of the steel structure to be installed, and a fixed magnet 110 extending axially is provided within the column. Referring to Figures 2, 3, and 8, the platform body 200 is fitted onto the steel column 100 and is provided with a clamping mechanism 210 that can controllably tighten or loosen the steel column 100. The mechanical descent device 300 includes a fixed part 310 and a movable part 320. The fixed part 310 is fixedly connected above the platform body 200, and the movable part 320 acts on the steel column 100, providing constant resistance when the platform body 200 descends relative to the steel column 100. An electromagnetic speed control device 400, installed on the platform body 200, includes an electromagnet 410 corresponding to the solid magnet 110. The electromagnet 410 can be controlled to generate a variable magnetic force acting on the solid magnet 110 to provide variable additional resistance. A wind speed sensor 500 and a laser sensor 600 are fixedly installed on the platform body 200 and are respectively communicatively connected to the speed control device. The wind speed sensor 500 is used to measure the wind speed value of the environment, and the laser sensor 600 is used to measure the height value of the platform body 200 above the ground. The electromagnetic speed control device 400 is configured to adjust the variable magnetic force according to the wind speed value measured by the wind speed sensor 500 and the height value measured by the laser sensor 600 to control the descent speed of the platform body 200.

[0022] Firstly, the steel structure installation platform of this application is constructed by combining steel columns 100 with the platform body 200. During construction, external hoisting equipment, such as a truck crane, can be used to initially lift the platform to the designated height. Subsequently, the clamping mechanism 210 securely fixes it to the steel columns 100, allowing construction personnel to safely perform installation, welding, and other operations on the platform, achieving a balance between efficiency and safety. Compared to ground-mounted steel pipe platforms that require full-scale construction from the ground, this solution only requires the pre-installation of the steel columns 100, which serve as the main load-bearing and guiding structure. This saves a significant amount of steel pipe and fastener materials, as well as labor for erection and dismantling, significantly shortening the preparation time, reducing overall costs, and minimizing the occupation of ground space. Moreover, compared to suspended cages, the platform body 200 forms a rigid connection with the steel columns 100 through the reliable clamping mechanism 210. Its stability and anti-overturning capacity are far superior to suspended cages that rely on ropes and are prone to swaying, providing a solid and stable working surface for high-altitude operations and increasing the safety factor.

[0023] Secondly, the mechanical descent device 300 provides a constant and reliable basic descent resistance, ensuring the basic safety and controllability of the descent process. The electromagnetic speed control device 400 provides additional resistance that can be precisely and dynamically adjusted. Working together, the two allow for flexible and smooth adjustment of the final descent speed above a safe baseline. The electromagnetic speed control device 400 has a built-in control system that dynamically adjusts the speed based on real-time data from the wind speed sensor 500 and the laser sensor 600. The higher the wind speed, the more the system automatically decelerates the platform by increasing electromagnetic resistance, effectively counteracting the swaying and acceleration caused by wind loads and ensuring a smooth descent. Furthermore, in high-altitude areas, where the impact of wind speed is fully considered, the system implements a significant deceleration to avoid the high-risk safety hazards at heights. In low-altitude and near-ground areas, the influence of wind speed is less significant, and the system shifts its focus to a smooth and gentle landing.

[0024] Finally, the purely mechanical descent device 300 is independent of any circuit and control system. In extreme situations such as power outages, control system failures, or electromagnetic system malfunctions, this device can immediately and automatically take over, ensuring that the platform always descends at a preset safe speed, rather than in free fall, thus protecting personnel's lives.

[0025] Referring to Figure 2, in one embodiment, the platform body 200 includes a first part 201 and a second part 202, with multiple latches 203 between the first part 201 and the second part 202 for locking and securing them together. The first part 201 and the second part 202 of the platform body 200 can be pre-welded from structural steel. During transportation, they may remain folded or compacted for easy transport to the site. Upon arrival at the designated steel column 100, the platform body 200 can be quickly unfolded and secured by simply locking the latches 203. This design simplifies the on-site installation process.

[0026] Referring to Figures 3 and 8, in one embodiment, the clamping mechanism 210 includes a first clamp 211 and a second clamp 212 distributed vertically along the steel column 100. The first clamp 211 and the second clamp 212 are respectively connected to a first driver and a second driver. The first driver and the second driver can receive remote control signals and independently drive the first clamp 211 and the second clamp 212 to clamp the steel column 100. This embodiment uses a vertically distributed first clamp 211 and a second clamp 212 controlled by independent drivers. Firstly, operators can control the clamp locking via remote control signals from the ground or a safe location, achieving a safe process of positioning first and then locking, avoiding the risk of personnel performing locking operations at unsecured heights. Secondly, the two clamps and their driving systems are independent of each other; when one fails, the other can still provide the necessary clamping force, significantly improving the overall reliability and safety of the system.

[0027] Referring to Figures 4 and 5, in one embodiment, the platform body 200 is provided with a protective plate 220 at its edge, and a ladder 230 is installed on the protective plate 220. The ladder 230 is a retractable ladder or connected to a rope ladder. The protective plate 220 provides basic protection for workers in accordance with safety regulations, with a protective height of not less than 1.1m. After the platform is stabilized, personnel can climb onto the platform via the ladder 230 to perform cutting, welding, and other operations. The retractable or extendable ladder 230 design allows the platform to adapt to different heights after being fixed, enabling personnel to enter and exit the platform in a relatively convenient and safe manner.

[0028] Referring to Figures 7, 8, and 9, in one embodiment, the solid magnet 110 includes multiple solid magnet blocks 111 embedded in the surface of the steel column 100 and uniformly distributed along the axis of the steel column 100. The shape of the solid magnet blocks 111 can be consistent with the curvature of the surface of the steel column 100, and the surface of the electromagnet 410 in contact with the steel column 100 is also a concave surface consistent with its curvature. The solid magnet 110 uses multiple independent solid magnet blocks 111 embedded in the surface of the steel column 100 and uniformly distributed along the axis, rather than a continuous strip. This reduces material costs and processing difficulty, and the uniform arrangement at multiple points is sufficient to generate uniform and controllable magnetic resistance under the action of the electromagnet 410. Furthermore, the solid magnet blocks 111 have the same curvature as the surface of the steel column 100, and the contact surface of the electromagnet 410 is a corresponding concave surface. This design increases the effective contact and interaction area between the two, making the magnetic field lines more concentrated and the magnetic resistance control more efficient and stable.

[0029] Referring to Figures 5 and 6, in one embodiment, the fixed portion 310 of the mechanical descent device 300 includes a housing 311 and a first mating block 312. The housing 311 is fixed to the plane of the platform body 200, and the first mating block 312 is fixedly installed inside the housing 311. The movable portion 320 is a second mating block 321 that can extend laterally out of the housing 311. One end of the second mating block 321 engages with the first mating block 312 via an inclined surface, and the other end abuts against the steel column 100. The lateral dimension between the inclined surface of the first mating block 312 and the second mating block 321 and the steel column 100 increases from top to bottom. When the second mating block 321 moves up the inclined surface, the lateral constraint on the end of the second mating block 321 that abuts against the steel column 100 is enhanced. When the second mating block 321 moves down the inclined surface, the lateral constraint on the end of the second mating block 321 that abuts against the steel column 100 is weakened.

[0030] When the platform accelerates due to gravity, the inertial force causes the second mating block 321 to move up the slope and into a narrower region, thereby increasing the pressure and frictional resistance on the steel column 100 to resist acceleration. Conversely, when the speed is below a certain equilibrium point, the resistance will automatically decrease. This process does not rely on external energy or electronic control systems, enabling the platform to autonomously converge and dynamically maintain its descent within a relatively constant "initial speed range".

[0031] In another embodiment, the first mating block 312 is provided with limiting protrusions 312a extending laterally toward the steel column 100 on both the upper and lower sides. These protrusions limit the range of motion of the second mating block 321 and restrict the lateral restraint force of the second mating block 321 within a set range. This effectively prevents the second mating block 321 from exerting excessive pressure on the steel column 100 due to excessive upward movement, avoiding "jamming" and causing the platform to lock unexpectedly. Simultaneously, it also prevents excessive downward movement that would cause the braking force to completely disappear, resulting in a descent speed exceeding a safe range. Through mechanical limiting, the core self-adjusting function of the device is constrained to operate within a preset safe and reliable working window, improving the stability and predictability of the device.

[0032] In one embodiment, a wear-resistant layer 322 is provided at one end of the second mating block 321 that abuts against the steel column 100; the mechanical descent device 300 includes at least two devices, which are symmetrical about the center of the steel column 100. Since this part continuously rubs against the surface of the steel column 100 during platform descent, the addition of the wear-resistant layer 322 significantly improves the wear resistance of the contact surface, effectively extending the service life of this key moving component. The symmetrical arrangement ensures that the braking force acting on the steel column 100 is evenly and balanced, effectively preventing rotation, swaying, or vibration caused by unilateral force during descent, ensuring a stable descent posture. It should also be noted that when the platform body 200 is lifted by a crane, and the crane needs to quickly lift the platform, the mechanical descent device 300 can be temporarily removed from the platform. After the platform body 200 is lifted to the designated height, the operator can then install the mechanical descent device 300 back onto the designated position on the platform.

[0033] This application also provides a control method for a steel structure installation operation platform, used to control the steel structure installation operation platform described above. The control method includes: acquiring the ambient wind speed value w measured in real time by the wind speed sensor 500; acquiring the height value h of the platform body 200 above the ground measured in real time by the laser sensor 600; and adjusting the magnetic force of the electromagnet 410 of the electromagnetic speed control device 400 based on the ambient wind speed value w and the height value h, so as to control the descent speed V of the platform body 200; wherein, V=V1×[1-k×(w / W1)×(h / H1)], V1 is the reference descent speed of the platform body 200 when the mechanical descent device 300 acts alone, W1 is a preset reference wind speed, H1 is a preset reference height, and k is a preset adjustment coefficient.

[0034] The preset reference wind speed (W1) represents the maximum wind speed that may occur in the working environment; the preset reference height (H1) is the highest working height of the platform. By using height as a factor in the (h / H1) term, the influence of wind speed on the descent speed adjustment increases with altitude. This aligns with the non-linear decision-making instinct for safety in high-altitude operations, making the control strategy more closely match the actual risk distribution. The baseline descent speed (V1) of the mechanical descent device 300 when acting alone serves as the safety cornerstone, ensuring that the starting point for speed adjustment is safe. In calm or low-altitude conditions, the calculated result approaches V1; as wind speed and altitude increase, the system automatically and continuously calculates a lower target V and achieves deceleration by adjusting the electromagnetic force. Furthermore, the preset parameters (V1, W1, H1, k) in the formula can be set differently for different project requirements and regional climate conditions.

[0035] In one embodiment, the reference descent speed (V1) is 0.8 m / s-1.1 m / s, specifically 0.8 m / s, 0.85 m / s, 0.9 m / s, 1.0 m / s, 1.1 m / s, etc.; the reference wind speed (W1) is 9.0 m / s-11 m / s, specifically 9 m / s, 9.5 m / s, 10 m / s, 10.5 m / s, 11 m / s, etc.; the reference height (H1) is 45 m-55 m, specifically 45 m, 47 m, 50 m, 52 m, 55 m; and the adjustment coefficient k is 0.45-0.55, specifically 0.45, 0.47, 0.5, 0.53, 0.55, etc. Specifically, V1 is set to 1.0 m / s, W1 to 10 m / s, H1 to 50 m, and k to 0.5. Several scenarios are given, such as strong winds at high altitudes, where the wind speed w is 8 m / s, the platform body 200 is at a height of 50 m, and the descent speed is 0.6 m / s; strong winds at mid-altitudes, where the wind speed w is 6 m / s, the platform body 200 is at a height of 25 m, and the descent speed is 0.85 m / s; and light winds at low altitudes, where the wind speed w is 4 m / s, the platform body 200 is at a height of 10 m, and the descent speed is 0.96 m / s.

[0036] In one embodiment, the laser sensor 600 includes a single-point ranging mode and an area scanning mode. The laser sensor 600 is configured to switch to the area scanning mode when the height value h detected in the single-point ranging mode is less than or equal to a first preset height. The control method further includes: based on the obstacle information detected by the laser sensor 600 in the area scanning mode, controlling the electromagnetic force of the electromagnet 410 of the electromagnetic speed control device 400 to increase, causing the platform body 200 to hover. A dedicated laser controller is internally connected to or directly connected to the sensor, enabling it to switch between two working modes: continuous single-point ranging and area scanning within a certain range. Simultaneously, this controller establishes a reliable communication connection with the main controller of the electromagnetic speed control device 400. During the descent phase, the sensor operates in single-point ranging mode, continuously providing altitude information. When the altitude drops to a first preset height, such as 10-12 meters above the ground, the system automatically switches the sensor to area array scanning mode to actively detect the landing area directly below the platform. The switching method can be that a motor drives a multi-faceted prism to rotate, and when a single laser beam shines on different mirror surfaces, the reflection angle changes continuously, thereby achieving one-dimensional line scanning.

[0037] When an obstacle, such as stacked building materials, temporarily parked vehicles, or other equipment, is detected below in area scan mode, the system immediately sends a signal to the electromagnetic speed control device 400, increasing the magnetic force of its electromagnet 410 to a level sufficient to balance the platform's gravity. This forces the platform to decelerate rapidly and eventually remain stationary, thus physically eliminating the risk of a collision between the platform and ground obstacles.

[0038] After the platform automatically hovers, the system can simultaneously trigger an audible and visual alarm to alert ground personnel; at the same time, this status signal can also be sent to the operator's remote control. Hovering and the alarm together constitute a clear safety event signal, prompting on-site personnel to immediately verify and remove any obstacles. Once the obstacle is removed, the operator can manually instruct, or the system can automatically confirm, to resume the platform's normal controlled descent.

[0039] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A steel structure installation and operation platform, characterized in that, include: A steel column (100) is installed along the height of the steel structure to be installed, and a solid magnet (110) extending axially is provided inside the column; a platform body (200) is fitted onto the steel column (100) and is provided with a clamping mechanism (210) that can controllably clamp or release the steel column (100); a mechanical descent device (300) includes a fixed part (310) and a movable part (320), the fixed part (310) is fixedly connected to the upper part of the platform body (200), and the movable part (320) acts on the steel column (100) to provide constant resistance when the platform body (200) descends relative to the steel column (100); an electromagnetic speed control device (400) is installed on the platform body (200) and includes a solid magnet (110). The corresponding electromagnet (410) can be controlled to generate a variable magnetic force acting on the solid magnet (110) to provide variable additional resistance; a wind speed sensor (500) and a laser sensor (600) are fixedly installed on the platform body (200) and are respectively connected to the electromagnetic speed control device. The wind speed sensor (500) is used to measure the wind speed value of the environment, and the laser sensor (600) is used to measure the height value of the platform body (200) above the ground; wherein, the electromagnetic speed control device (400) is configured to adjust the variable magnetic force according to the wind speed value measured by the wind speed sensor (500) and the height value measured by the laser sensor (600) to control the descent speed of the platform body (200).

2. The steel structure installation and operation platform as described in claim 1, characterized in that, The platform body (200) includes a first part (201) and a second part (202), and a plurality of buckles (203) are provided between the first part (201) and the second part (202) for locking and fixing the two together.

3. The steel structure installation and operation platform as described in claim 1, characterized in that, The clamping mechanism (210) includes a first clamp (211) and a second clamp (212) distributed vertically along the steel column (100). The first clamp (211) and the second clamp (212) are respectively connected to a first driver and a second driver. The first driver and the second driver can receive remote control signals and independently drive the first clamp (211) and the second clamp (212) to clamp the steel column (100).

4. The steel structure installation and operation platform as described in claim 1, characterized in that, The edge of the platform body (200) is provided with a protective plate (220), and a ladder (230) is installed on the protective plate (220). The ladder (230) is a retractable ladder or is connected with a rope ladder.

5. The steel structure installation and operation platform as described in claim 1, characterized in that, The solid magnet (110) includes a plurality of solid magnet blocks (111) embedded in the surface of the steel column (100) and uniformly distributed along the axis of the steel column (100).

6. The steel structure installation operation platform as described in claim 1, characterized in that, The fixed part (310) of the mechanical descent device (300) includes a housing (311) and a first mating block (312). The housing (311) is fixed to the plane of the platform body (200), and the first mating block (312) is fixedly installed inside the housing (311). The movable part (320) is a second mating block (321) that can extend laterally out of the housing (311). One end of the second mating block (321) engages with the first mating block (312) via an inclined surface, and the other end engages with the... The steel column (100) abuts against the steel column (100); the lateral dimension between the inclined surface of the first mating block (312) and the second mating block (321) and the steel column (100) increases from top to bottom. When the second mating block (321) moves up along the inclined surface, the lateral constraint on the end of the second mating block (321) that abuts against the steel column (100) is strengthened; when the second mating block (321) moves down along the inclined surface, the lateral constraint on the end of the second mating block (321) that abuts against the steel column (100) is weakened.

7. The steel structure installation and operation platform as described in claim 6, characterized in that, The first mating block (312) is provided with limiting protrusions (312a) extending laterally toward the steel column (100) on both the top and bottom to limit the range of motion of the second mating block (321); and / or the second mating block (321) is provided with a wear-resistant layer (322) at one end abutting the steel column (100); and / or the mechanical descent device (300) includes at least two and is symmetrical about the center of the steel column (100).

8. A control method for a steel structure installation operation platform, characterized in that, The control method for controlling the steel structure installation operation platform according to any one of claims 1 to 7 includes: acquiring the ambient wind speed value w measured in real time by the wind speed sensor (500); acquiring the height value h of the platform body (200) above the ground measured in real time by the laser sensor (600); and adjusting the magnetic force of the electromagnet (410) of the electromagnetic speed control device (400) based on the ambient wind speed value w and the height value h to control the descent speed V of the platform body (200); wherein, V=V1×[1-k×(w / W1)×(h / H1)], V1 is the reference descent speed of the platform body (200) when the mechanical descent device (300) acts alone, W1 is a preset reference wind speed, H1 is a preset reference height, and k is a preset adjustment coefficient.

9. The control method for the steel structure installation operation platform as described in claim 8, characterized in that, The baseline descent speed V1 is 0.8 m / s-1.1 m / s; the reference wind speed W1 is 9.0 m / s-11 m / s; the reference height H1 is 45 m-55 m; and the adjustment coefficient k is 0.45-0.

55.

10. The control method for the steel structure installation operation platform as described in claim 8, characterized in that, The laser sensor (600) includes a single-point ranging mode and an area scanning mode. The laser sensor (600) is configured to switch to the area scanning mode when the height value h detected in the single-point ranging mode is less than or equal to a first preset height. The control method further includes: according to the obstacle information detected by the laser sensor (600) in the area scanning mode, controlling the electromagnetic force of the electromagnet (410) of the electromagnetic speed control device (400) to increase, so that the platform body (200) is suspended.

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