An intelligent operating ladder

Abstract

The present invention relates to the field of construction equipment, and in particular to an intelligent operating ladder, comprising: a base plate, with universal wheels installed at the four corners below, the upper portion of which serves as a mounting platform for fixing other components; a construction platform, the upper portion of which serves as a mounting platform for fixing other components; a lifting device, which is a scissor-type hydraulic lifting device; the lifting device is installed on the base plate and is controlled by an internal lifting hydraulic cylinder; the lifting device is a scissor-type hydraulic lifting device; and a central control box, which is connected to the lifting hydraulic cylinder, the lifting motor, the laser rangefinder, the pressure sensor, and the slider inside the telescopic ladder, and performs detection result judgment and motion control on the connected components. The present invention controls the rising or falling movement of the construction platform by setting up a central control box, so as to meet the mobile control requirements of the intelligent operating ladder for different construction positions and facilitate construction operations.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction equipment, and in particular to an intelligent operating ladder. Background Art

[0002] Construction operating ladders, also known as construction lifting platforms or work platforms, are equipment used for high-altitude operations on construction sites. Construction operating ladders are widely used in high-rise building construction, exterior wall decoration, repair and maintenance, etc. The operating ladder can carry workers, tools, materials, etc., making it convenient for high-altitude operations and improving work efficiency.

[0003] Chinese Patent Publication No.: CN104563841A. A construction ladder is disclosed, comprising a first ladder frame, a second ladder frame, a pedal, and a tool layer. The lower ends of the first and second ladder frames are each provided with a fixed block and an anti-slip strip. A spring is fixed to the fixed block, and a friction block is fixed to the lower end of the spring. The friction block is also hinged to the lower ends of the first and second ladder frames. The pedal is provided with protrusions on both sides, and a reinforcing rib is fixed to the middle of the pedal. The tool layer is provided with cloth on both sides, and an elastic cloth is provided in the middle of the cloth. Therefore, the construction ladder has the following problem: The construction height of the ladder cannot be controlled according to different construction scenarios. Summary of the Invention

[0004] To this end, the present invention provides a field of building construction equipment to overcome the problem in the prior art of height adjustment control of construction ladders to suit different construction scenarios.

[0005] To achieve the above object, the present invention provides an intelligent operating ladder, comprising:

[0006] The bottom plate has universal wheels installed at the four corners below it, and its upper part serves as a mounting platform to fix other components;

[0007] The construction platform is used for construction workers to work, and includes a safety baffle, which includes a vertical baffle and a telescopic baffle, the vertical baffle being installed at the front and back of the construction platform, the telescopic baffle being installed at the left and right sides of the vertical baffle, and both sides of any of the vertical baffles are provided with a first groove for the connected telescopic baffle to be inserted, and a first slider is stored on any of the telescopic baffles, and a positioning block is stored in the first groove, and the positioning block positions the sliding distance of the first slider to ensure that the telescopic baffle slides normally in the first groove; a fixed ladder is installed on the inner side of the vertical baffle, and one side of the fixed ladder is fixed to the vertical baffle; a telescopic ladder, a slider is installed on the telescopic ladder, and the slider is slidably connected to the ladder guide rail, and the ladder guide rail is fixed to the outer side of the vertical baffle by bolts; a construction platform lifting plate, which is the bottom plate of the construction platform;

[0008] The lifting device is a scissor-type hydraulic lifting device, wherein the lifting device and the construction platform are spirally connected via a fixed block and a bolt rod. The rotation of the bolt rod drives the fixed block to move, thereby driving the construction platform fixed to the fixed block to move together. The construction platform is fixedly connected to the construction platform telescopic rod via bolts. A mounting plate is installed on the top of the lifting device, and the construction platform telescopic rod and a lifting motor are installed on the mounting plate. The lifting motor is fixed to the mounting plate, and the output end of the lifting motor is connected to the bolt rod. The bolt rod passes through the bolt hole of the construction platform lifting plate, and the lifting / lowering action of the construction platform is controlled by the lifting motor.

[0009] A laser rangefinder, mounted on the base plate, to detect the position of the construction platform;

[0010] a pressure sensor, mounted on the mounting plate, for detecting the pressure borne by the mounting plate;

[0011] The central control box is connected to the lifting hydraulic cylinder, lifting motor, laser rangefinder, pressure sensor, and slider in the telescopic ladder, and performs detection result judgment and action control on the connected components, including judging the position of the construction platform according to the distance detected by the laser rangefinder, and judging whether the construction platform can reach the estimated construction position according to the initial position of the construction platform; judging whether the construction platform can reach the estimated construction position if it can reach the estimated construction position; processing the action of the lifting hydraulic cylinder, lifting motor, and slider according to the lifting / lowering judgment result; judging whether the construction platform is in a safe operating state in real time according to the detection result of the pressure sensor when the construction platform is in action; calculating the values detected by the laser rangefinder and the pressure adjustment rate of the lifting hydraulic cylinder during the adjustment process of the lifting hydraulic cylinder and judging whether the pressure adjustment rate of the lifting hydraulic cylinder is appropriate; judging whether the maintenance cycle of the intelligent operating ladder needs to be adjusted according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider and the total moving distance of the construction platform.

[0012] Furthermore, before the intelligent operating ladder is moved, the laser rangefinder is turned on to detect the initial position of the construction platform. The central control box stores an estimated construction position set for the real-time construction position. The initial position is compared with the estimated construction position, and the absolute value of the position difference of the construction platform is calculated to determine whether the construction platform can reach the estimated construction position. The central control box stores a moving distance threshold of the construction platform.

[0013] If the position difference is greater than the moving distance threshold, it is determined that the intelligent operation ladder cannot meet the construction requirements and the intelligent operation ladder is replaced;

[0014] If the position difference is less than or equal to the moving distance threshold, it is determined that the intelligent operating ladder meets the construction requirements, and the intelligent operating ladder is judged to perform the raising / lowering action of the construction platform.

[0015] Furthermore, for an intelligent operating ladder that meets construction requirements, in the central control box, the operation action of the construction platform is judged based on the calculated value of the position difference;

[0016] If the calculated value of the position difference is a negative number, the construction platform is raised;

[0017] If the calculated value of the position difference is a positive number, the construction platform is lowered.

[0018] Furthermore, for the intelligent operating ladder in operation, the operation of the lifting hydraulic cylinder, lifting motor and slider is adjusted one by one according to the operation action judgment result;

[0019] The central control box stores a maximum adjustment value of the lifting hydraulic cylinder, a minimum adjustment value of the lifting hydraulic cylinder, a maximum adjustment value of the bolt rod, a minimum adjustment value of the bolt rod, a maximum adjustment value of the slider, and a minimum adjustment value of the slider.

[0020] Furthermore, when the construction platform is performing an ascending action,

[0021] If the absolute value of the position difference is less than or equal to the maximum adjustment value of the lifting hydraulic cylinder, adjust the lifting hydraulic cylinder until the absolute value of the position difference is zero;

[0022] If the absolute value of the position difference is greater than the maximum adjustment value of the lifting hydraulic cylinder, the lifting hydraulic cylinder is adjusted until the lifting hydraulic cylinder is raised to the maximum adjustment value of the lifting hydraulic cylinder. At this time, the laser rangefinder detects the current position of the construction platform, calculates the first lifting position difference in the central control box, and continues to adjust the lifting motor according to the first lifting position difference;

[0023] If the first elevated position difference is less than or equal to the bolt rod adjustment range, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0024] If the first elevated position difference is greater than the bolt rod adjustment range, the motor is controlled to adjust the bolt rod until the bolt rod is elevated to the maximum adjustment value of the bolt rod, the laser rangefinder is used to detect the position of the construction platform at this time, the second elevated position difference is calculated in the central control box, and the slider is continued to be adjusted according to the second elevated position difference until the absolute value of the position difference is zero.

[0025] Furthermore, when the construction platform is performing a descending action,

[0026] If the absolute value of the position difference is less than or equal to the slider adjustment range, adjust the slider until the absolute value of the position difference is zero;

[0027] If the absolute value of the position difference is greater than the adjustment range of the slider, the slider is adjusted until the slider is reduced to the minimum adjustment value of the slider. At this time, the laser rangefinder detects the current position of the construction platform, calculates the first lowering position difference in the central control box, and continues to adjust the bolt rod according to the first lowering position difference;

[0028] If the first lowering position difference is less than or equal to the bolt rod adjustment range, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0029] If the first lowering position difference is greater than the bolt rod adjustment range, the motor is controlled to adjust the bolt rod until the bolt rod is lowered to the minimum adjustment value of the bolt rod. At this time, the laser rangefinder detects the current position of the construction platform, calculates the second lowering position difference in the central control box, and continues to adjust the lifting hydraulic cylinder according to the second lowering position difference until the absolute value of the position difference is zero.

[0030] Furthermore, when the construction platform is performing an ascending / descending action, the pressure sensor detects the actual pressure on the mounting plate in real time. A pressure threshold is stored in the central control box. Based on the comparison between the actual pressure and the pressure threshold, it is determined whether the construction platform is in a safe operating state.

[0031] If the actual pressure is less than or equal to the pressure threshold, it is determined that the construction platform is in a safe operating state;

[0032] If the actual pressure is greater than the pressure threshold, it is determined that the construction platform is in a dangerous operating state, and the intelligent operating ladder is automatically shut down.

[0033] Furthermore, during the lifting / lowering operation of the construction platform, when the pressure of the lifting hydraulic cylinder is adjusted,

[0034] Over a period of time, the laser rangefinder calculates the moving speed of the construction platform based on the adjustment time and the displacement change of the construction platform. The central control box monitors the pressure adjustment rate of the lifting hydraulic cylinder in real time, thereby calculating the proportional coefficient between the pressure adjustment rate of the lifting hydraulic cylinder and the moving speed of the construction platform. Based on the calculated proportional coefficient, it is determined whether the adjustment rate of the lifting hydraulic cylinder is appropriate. The proportional parameter is stored in the central control box.

[0035] If the proportional coefficient is less than or equal to the proportional parameter, it is determined that the pressure adjustment rate of the lifting hydraulic cylinder is within a reasonable range, and the adjustment rate of the lifting hydraulic cylinder is continued to be determined;

[0036] If the proportional coefficient is greater than the proportional parameter, it is determined that there is a safety hazard in the lifting hydraulic cylinder, and the intelligent operating ladder is shut down for detection.

[0037] Furthermore, when the construction platform is in a safe operating state, the central control box calculates the control cycle of the intelligent operating ladder according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation and the total moving distance of the construction platform, compares the calculated control cycle with the basic parameters of the maintenance cycle of the intelligent operating ladder in the central control box, and makes adjustments based on the comparison results;

[0038] If the control cycle is greater than or equal to the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be extended according to the control cycle;

[0039] If the control cycle is equal to the basic parameters of the maintenance cycle, the basic parameters of the maintenance cycle will not be adjusted;

[0040] If the control cycle is less than the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be shortened according to the control cycle.

[0041] Furthermore, when calculating the control cycle of the intelligent operating ladder, the central control box stores a hydraulic adjustment coefficient set according to the number of adjustments of the lifting hydraulic cylinder, a motor adjustment coefficient set according to the number of adjustments of the lifting motor, a slider adjustment coefficient set according to the number of adjustments of the slider, and a distance adjustment coefficient set according to the total moving distance of the construction platform; the hydraulic adjustment coefficient is proportional to the number of adjustments of the lifting hydraulic cylinder, the motor adjustment coefficient is proportional to the number of adjustments of the lifting motor, the slider adjustment coefficient is proportional to the number of adjustments of the slider, and the distance adjustment coefficient is proportional to the total moving distance of the construction platform.

[0042] Compared with the prior art, the beneficial effect of the present invention lies in that, by arranging a control box on the intelligent operating ladder and arranging two sets of ladders on the construction platform where workers can work, the present invention ensures that the working height of the intelligent operating ladder can be adjusted in detail according to the specific construction height when workers work at high altitudes. At the same time, a safety baffle is provided to ensure the safety of workers during construction. Various control operations are stored in the central control box to ensure that the intelligent operating ladder can be automatically adjusted according to the on-site construction conditions during use. At the same time, the safety status of the construction platform is judged during the use of the intelligent operating ladder to ensure the safe operation of the construction platform during construction, and further ensure the life safety of workers.

[0043] Furthermore, the present invention determines the usage scenario of the intelligent operating ladder by combining the position of the construction platform on the intelligent operating ladder with the construction requirements, thereby improving the judgment of the applicability of the intelligent operating ladder to the usage scenario.

[0044] Furthermore, the present invention controls the intelligent operating ladder to operate autonomously by making an operational judgment on the construction position that the intelligent operating ladder needs to reach, thereby facilitating subsequent motion control of specific parts inside the intelligent operating ladder.

[0045] Furthermore, the present invention sets control values for the operation of several parts when adjusting the intelligent operating ladder, thereby ensuring the normal operation of the intelligent operating ladder and facilitating subsequent evaluation and adjustment of the operating sequence of the parts.

[0046] Furthermore, the present invention automatically controls the operation process of the intelligent operating ladder to ensure the smooth implementation of its intelligent program during use. At the same time, it determines whether to proceed with the action of the next component based on the operation results of each component, ensuring that all movable parts in the intelligent operating ladder can perform intelligent actions without the need for manual operation by workers.

[0047] Furthermore, the present invention sets a pressure sensor on the construction platform to perform real-time detection of the pressure borne by the construction platform, thereby judging the safety status of the construction platform, making timely safety judgments on the construction platform, reducing the probability of safety accidents during the operation of the intelligent operating ladder, and ensuring the safety of workers' lives.

[0048] Furthermore, the present invention combines the detection value of the laser rangefinder and the adjustment rate of the lifting hydraulic cylinder to calculate their relative adjustment ratio, and compares and determines the pressure adjustment process in the lifting hydraulic cylinder of the intelligent operating ladder in operation, thereby ensuring the smooth movement of the lifting hydraulic cylinder. At the same time, the intelligent operating ladder that exceeds the set ratio parameters is promptly shut down and adjusted.

[0049] Furthermore, the present invention comprehensively calculates the control cycle based on the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation, as well as the total moving distance of the construction platform, and compares and determines it with the basic parameters of the maintenance cycle, thereby judging the actual maintenance cycle of the intelligent operating ladder as a whole, and comprehensively controlling the maintenance status of the guide mechanism during the operation of the intelligent operating ladder. According to its actual status, the maintenance cycle of the intelligent operating ladder is further optimized to ensure timely and comprehensive maintenance during the operation of the intelligent operating ladder and reduce safety hazards of the intelligent operating ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 This is a schematic structural diagram of the intelligent operating ladder described in this embodiment;

[0051] Figure 2 This is a partial isometric view of the fixed ladder and telescopic ladder for the construction platform in the intelligent operating ladder of this embodiment;

[0052] In the figure, there are lifting hydraulic cylinder 1, lifting motor 2, mounting plate 3, bolt rod 4, pressure sensor 5, construction platform telescopic rod 6, construction platform lifting plate 7, ladder guide rail 8, telescopic ladder 9, vertical baffle 10, telescopic baffle 11, laser rangefinder 12, central control box 13, base plate 14, universal wheel 15, lifting device 16, and fixed ladder 17. DETAILED DESCRIPTION

[0053] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0054] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0055] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0056] Furthermore, it should be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0057] See also Figure 1 、 Figure 2 As shown, Figure 1 This is a structural diagram of the intelligent operating ladder described in this embodiment. Figure 2 This is a partial axonometric view of the fixed ladder and telescopic ladder of the construction platform in the intelligent operating ladder described in this embodiment.

[0058] The present invention provides an intelligent operating ladder, comprising:

[0059] The bottom plate 14 has universal wheels 15 installed at the four corners below it, and its upper part serves as a mounting platform to fix other components;

[0060] The construction platform is used for construction workers to work, and includes a safety baffle, which includes a vertical baffle 10 and a telescopic baffle 11. The vertical baffle 10 is installed at the front and back of the construction platform, and the telescopic baffle 11 is installed on the left and right sides of the vertical baffle 10. Both sides of any vertical baffle 10 are provided with a first groove for inserting the connected telescopic baffle 11. A first slider is stored on any telescopic baffle 11, and a positioning block is stored in the first groove. The positioning block positions the sliding distance of the first slider to ensure that the telescopic baffle 11 slides normally in the first groove; a fixed ladder 17 is installed on the inner side of the vertical baffle, and one side of the fixed ladder is fixed to the vertical baffle 10; a telescopic ladder 9, a slider is installed on the telescopic ladder 9, and the slider is slidably connected to the ladder guide rail 8, and the ladder guide rail 8 is fixed to the outer side of the vertical baffle 10 by bolts; a construction platform lifting plate 7, which is the bottom plate of the construction platform;

[0061] The lifting device 16 is a scissor-type hydraulic lifting device. The lifting device 16 and the construction platform are spirally connected through a fixed block and a bolt rod 4. The rotation of the bolt rod 4 drives the fixed block to move, thereby driving the construction platform fixed with the fixed block to move together. The construction platform is fixedly connected to the construction platform telescopic rod by bolts; the lifting device 16 is installed on the base plate 14 and is controlled by the internal lifting hydraulic cylinder 1; a mounting plate 3 is installed on the top of the lifting device 16, and a construction platform telescopic rod 6 and a lifting motor 2 are installed on the mounting plate 3; the lifting motor 2 is fixed on the mounting plate 3, and the output end of the lifting motor 2 is connected to the bolt rod 4, and the bolt rod 4 passes through the bolt hole of the construction platform lifting plate 7. The lifting / lowering action of the construction platform is controlled by the lifting motor 2;

[0062] A laser rangefinder 12, which is mounted on the base plate 14 and detects the position of the construction platform;

[0063] a pressure sensor 5 mounted on the mounting plate 3 to detect the pressure borne by the mounting plate 3;

[0064] The central control box is connected to the lifting hydraulic cylinder 1, the lifting motor 2, the laser rangefinder 12, the pressure sensor 5, and the slider in the telescopic ladder 9, and performs detection result judgment and action control on the connected components, including judging the position of the construction platform according to the distance detected by the laser rangefinder 12, and judging whether the construction platform can reach the estimated construction position according to the initial position of the construction platform; judging whether the construction platform can reach the estimated construction position if it can reach the estimated construction position; processing the action of the lifting hydraulic cylinder 1, the lifting motor 2, and the slider according to the lifting / lowering judgment result; when the construction platform is in action, judging whether the construction platform is in a safe operating state in real time according to the detection result of the pressure sensor 5; during the adjustment process of the lifting hydraulic cylinder, calculating the values detected by the laser rangefinder and the pressure sensor with the pressure adjustment rate of the lifting hydraulic cylinder to judge whether the pressure adjustment rate of the lifting hydraulic cylinder is appropriate; judging whether the maintenance cycle of the intelligent operating ladder needs to be adjusted according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider and the total moving distance of the construction platform.

[0065] The present invention sets a control box on the intelligent operating ladder and sets two sets of ladders on the construction platform where workers can work. When workers work at height, the working height of the intelligent operating ladder can be adjusted in detail according to the specific construction height. At the same time, a safety baffle is set to ensure the safety of workers during construction. Various control operations are stored in the central control box to ensure that the intelligent operating ladder can be automatically adjusted according to the on-site construction conditions during use. At the same time, the safety status of the construction platform is judged during the use of the intelligent operating ladder to ensure the safe operation of the construction platform during construction, and further ensure the life safety of workers.

[0066] Continue reading Figure 1 As shown, specifically, in the embodiment, before the intelligent operating ladder is operated, the laser rangefinder 12 is turned on to detect the initial position of the construction platform. The central control box stores an estimated construction position set for the real-time construction position. The initial position is compared with the estimated construction position, and the absolute value of the position difference of the construction platform is calculated to determine whether the construction platform can reach the estimated construction position. The central control box stores a moving distance threshold of the construction platform.

[0067] If the position difference is greater than the moving distance threshold, it is determined that the intelligent operation ladder cannot meet the construction requirements and the intelligent operation ladder is replaced;

[0068] If the position difference is less than or equal to the moving distance threshold, it is determined that the intelligent operating ladder meets the construction requirements, and the intelligent operating ladder is judged to perform the raising / lowering action of the construction platform.

[0069] The initial position of the construction platform is W0, and the central control box stores a moving distance threshold Y0 of the construction platform and an estimated construction position S0 set for the real-time construction position.

[0070] The absolute value of the position difference ΔY':

[0071] ΔY'=|S0-W0|;

[0072] ΔY=S0-W0;

[0073] Wherein, ΔY is the calculated value of the position difference between the estimated construction position and the construction platform;

[0074] ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform;

[0075] S0 is the real-time construction position set in the central control box;

[0076] W0 is the initial position of the construction platform.

[0077] If the position difference ΔY' is greater than the moving distance threshold Y0, it is judged that this intelligent operating ladder cannot meet the construction requirements and the intelligent operating ladder is replaced; if the position difference ΔY' is less than or equal to the moving distance threshold Y0, it is judged that this intelligent operating ladder meets the construction requirements and the intelligent operating ladder is judged to perform the raising / lowering action of the construction platform.

[0078] The present invention determines the usage scenario of the intelligent operating ladder by combining the position of the construction platform on the intelligent operating ladder with the construction requirements, thereby improving the judgment of the applicability of the intelligent operating ladder to the usage scenario.

[0079] Continue reading Figure 1 As shown, specifically, in the embodiment, for the intelligent operating ladder that meets the construction requirements, in the central control box, the operation action of the construction platform is judged according to the position difference calculation value;

[0080] If the calculated value of the position difference is a negative number, the construction platform is raised;

[0081] If the calculated value of the position difference is a positive number, the construction platform is lowered.

[0082] If the position difference calculated value ΔY is a negative number, the construction platform is subjected to an ascending action; if the position difference calculated value ΔY is a positive number, the construction platform is subjected to a descending action.

[0083] The present invention controls the intelligent operating ladder to operate autonomously by making an operational judgment on the construction position that the intelligent operating ladder needs to reach, thereby facilitating subsequent motion control of specific parts inside the intelligent operating ladder.

[0084] Continue reading Figure 1 、 Figure 2 As shown, specifically, in the embodiment, for the intelligent operating ladder in operation, the operation of the lifting hydraulic cylinder, the lifting motor, and the slider are adjusted one by one according to the operation action judgment result;

[0085] The central control box stores a maximum adjustment value of the lifting hydraulic cylinder, a minimum adjustment value of the lifting hydraulic cylinder, a maximum adjustment value of the bolt rod, a minimum adjustment value of the bolt rod, a maximum adjustment value of the slider, and a minimum adjustment value of the slider.

[0086] The central control box stores the maximum adjustment value Amax of the lifting hydraulic cylinder, the minimum adjustment value Amin of the lifting hydraulic cylinder, the maximum adjustment value Bmax of the bolt rod, the minimum adjustment value Bmin of the bolt rod, the maximum adjustment value Cmax of the slider, and the minimum adjustment value Cmin of the slider.

[0087] The present invention sets control values for the operation of several parts when adjusting the intelligent operating ladder, thereby ensuring the normal operation of the intelligent operating ladder and facilitating subsequent evaluation and adjustment of the operation sequence of the parts.

[0088] Continue reading Figure 1 、 Figure 2 As shown, specifically, in the embodiment, when the construction platform performs the ascending action,

[0089] If the absolute value of the position difference is less than or equal to the maximum adjustment value of the lifting hydraulic cylinder, adjust the lifting hydraulic cylinder until the absolute value of the position difference is zero;

[0090] If the absolute value of the position difference is greater than the maximum adjustment value of the lifting hydraulic cylinder, the lifting hydraulic cylinder is adjusted until the lifting hydraulic cylinder is raised to the maximum adjustment value of the lifting hydraulic cylinder. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the first lifting position difference is calculated in the central control box, and the lifting motor is further adjusted based on the first lifting position difference.

[0091] If the first elevated position difference is less than or equal to the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0092] If the first elevated position difference is greater than the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is elevated to the maximum adjustment value of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the second elevated position difference is calculated in the central control box, and the slider is continued to be adjusted based on the second elevated position difference until the absolute value of the position difference is zero.

[0093] If the construction platform performs an ascending action,

[0094] If the absolute value of the position difference ΔY' is less than or equal to the maximum adjustment value Amax of the lifting hydraulic cylinder, the lifting hydraulic cylinder is adjusted until the absolute value of the position difference is zero;

[0095] If the absolute value of the position difference ΔY' is greater than the maximum adjustment value Amax of the lifting hydraulic cylinder, the lifting hydraulic cylinder is adjusted until the lifting hydraulic cylinder rises to the maximum adjustment value Amax of the lifting hydraulic cylinder. At the same time, the laser rangefinder detects the position of the construction platform. According to the detection results, the first lifting position difference G1 is calculated in the central control box, and the lifting motor is continued to be adjusted according to the first lifting position difference G1.

[0096] If the lifting hydraulic cylinder is raised to the maximum adjustment value Amax of the lifting hydraulic cylinder, the position of the construction platform is W1.

[0097] The first rising position difference G1 at this time:

[0098] G1=|ΔY'-|W1-W0||;

[0099] Among them, G1 is the first elevated position difference of the construction platform when the lifting hydraulic cylinder is adjusted to the maximum adjustment range A1;

[0100] ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform;

[0101] W1 is the position of the construction platform when the lifting hydraulic cylinder is raised to the maximum adjustment value Amax of the lifting hydraulic cylinder;

[0102] W0 is the initial position of the construction platform.

[0103] If the first elevated position difference G1 is less than or equal to the maximum adjustment value Bmax of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0104] If the first elevated position difference G1 is greater than the maximum adjustment value Bmax of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is elevated to the maximum adjustment value Bmax of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection results, the second elevated position difference G2 is calculated in the central control box, and the slider is continued to be adjusted according to the second elevated position difference G2 until the absolute value of the position difference is zero.

[0105] If the bolt rod is raised to the maximum adjustment value Bmax of the bolt rod, the position of the construction platform is W2.

[0106] The second rising position difference G2 at this time:

[0107] G2=|ΔY'-|W2-W0||;

[0108] Among them, G2 is the second elevated position difference of the construction platform after the bolt rod is raised to the maximum adjustment range B1;

[0109] ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform;

[0110] W2 is the position of the construction platform when the bolt rod is raised to the maximum adjustment value Bmax of the bolt rod;

[0111] W0 is the initial position of the construction platform.

[0112] Continue reading Figure 1 、 Figure 2 As shown, specifically, in the embodiment, when the construction platform performs a descending action,

[0113] If the absolute value of the position difference is less than or equal to the maximum adjustment value of the slider, adjust the slider until the absolute value of the position difference is zero;

[0114] If the absolute value of the position difference is greater than the maximum adjustment value of the slider, the slider is adjusted until it is lowered to the minimum adjustment value. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, a first lowering position difference is calculated in the central control box, and the bolt rod is further adjusted based on the first lowering position difference.

[0115] If the first lowering position difference is less than or equal to the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0116] If the first lowering position difference is greater than the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is lowered to the minimum adjustment value of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the second lowering position difference is calculated in the central control box, and the lifting hydraulic cylinder is continued to be adjusted according to the second lowering position difference until the absolute value of the position difference is zero.

[0117] If the construction platform performs a descending action,

[0118] If the absolute value of the position difference ΔY' is less than or equal to the maximum adjustment value Cmax of the slider, adjust the slider until the absolute value of the position difference is zero;

[0119] If the absolute value of the position difference ΔY' is greater than the maximum adjustment value Cmax of the slider, the slider is adjusted until it drops to the minimum adjustment value Cmin. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection results, the first lowering position difference D1 is calculated in the central control box, and the bolt rod is continued to be adjusted based on the first lowering position difference D1.

[0120] If the slider is lowered to the minimum adjustment value Cmin, the position of the construction platform is W3;

[0121] The first lowering position difference D1 at this time:

[0122] D1=|ΔY'-|W0-W3||;

[0123] Wherein, D1 is the first lowering position difference of the construction platform when the slider is lowered to the minimum adjustment value Cmin of the slider;

[0124] ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform;

[0125] W3 is the position of the construction platform when the slider is reduced to the minimum adjustment value Cmin;

[0126] W0 is the initial position of the construction platform.

[0127] If the first lowering position difference D1 is less than or equal to the maximum adjustment value Bmax of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero;

[0128] If the first lowering position difference D1 is greater than the maximum adjustment value Bmax of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is lowered to the minimum adjustment value Bmin of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. According to the detection result, the second lowering position difference D2 is calculated in the central control box, and the lifting hydraulic cylinder is continued to be adjusted according to the second lowering position difference D2 until the absolute value of the position difference is zero.

[0129] If the bolt rod is lowered to the minimum adjustment value Bmin, the position of the construction platform is W4.

[0130] The second lowering position difference D2 at this time:

[0131] D2=|ΔY'-|W0-W4||;

[0132] Wherein, D2 is the first lowering position difference of the construction platform when the bolt rod is lowered to the minimum adjustment value Bmin of the bolt rod;

[0133] ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform;

[0134] W4 is the position of the construction platform when the bolt rod is reduced to the minimum adjustment value Bmin of the bolt rod;

[0135] W0 is the initial position of the construction platform.

[0136] The present invention automatically controls the operation process of the intelligent operating ladder to ensure the smooth implementation of its intelligent program during use. At the same time, it determines whether to proceed to the action of the next component based on the operation results of each component, ensuring that all movable parts in the intelligent operating ladder can perform intelligent actions without the need for manual operation by workers.

[0137] Continue reading Figure 1 As shown, specifically, in the embodiment, when the construction platform is performing an ascending / descending action, the pressure sensor detects the actual pressure borne by the mounting plate in real time, and a pressure threshold is stored in the central control box. Based on the comparison between the actual pressure and the pressure threshold, it is determined whether the construction platform is in a safe operating state;

[0138] If the actual pressure is less than or equal to the pressure threshold, it is determined that the construction platform is in a safe operating state;

[0139] If the actual pressure is greater than the pressure threshold, it is determined that the construction platform is in a dangerous operating state, and the intelligent operating ladder is automatically shut down.

[0140] The pressure sensor detects the actual pressure F1 borne by the mounting plate in real time, and a pressure threshold F0 is stored in the central control box.

[0141] If the actual pressure F1 is less than or equal to the pressure threshold F0, it is determined that the construction platform is in a safe operating state;

[0142] If the actual pressure F1 is greater than the pressure threshold F0, it is determined that the construction platform is in a dangerous operating state, and the intelligent operating ladder is automatically shut down.

[0143] The present invention sets a pressure sensor on the construction platform to detect the pressure borne by the construction platform in real time, thereby judging the safety status of the construction platform, making timely safety judgments on the construction platform, reducing the probability of safety accidents during the operation of the intelligent operating ladder, and ensuring the safety of workers' lives.

[0144] Continue reading Figure 1 As shown, specifically, in the embodiment, when the pressure of the lifting hydraulic cylinder is adjusted during the lifting / lowering operation of the construction platform,

[0145] Over a period of time, the laser rangefinder calculates the moving speed of the construction platform based on the adjustment time and the displacement change of the construction platform. The central control box monitors the pressure adjustment rate of the lifting hydraulic cylinder in real time, thereby calculating the proportional coefficient between the pressure adjustment rate of the lifting hydraulic cylinder and the moving speed of the construction platform. Based on the calculated proportional coefficient, it is determined whether the adjustment rate of the lifting hydraulic cylinder is appropriate. The proportional parameter is stored in the central control box.

[0146] If the proportional coefficient is less than or equal to the proportional parameter, it is determined that the pressure adjustment rate of the lifting hydraulic cylinder is within a reasonable range, and the adjustment rate of the lifting hydraulic cylinder is continued to be determined;

[0147] If the proportional coefficient is greater than the proportional parameter, it is determined that there is a safety hazard in the lifting hydraulic cylinder, and the intelligent operating ladder is shut down for detection.

[0148] During a period of time from t0 to t1, the central control box stores a proportional parameter j0, and the pressure adjustment rate of the lifting hydraulic cylinder is Fv.

[0149] Moving speed v of the construction platform:

[0150]

[0151] Among them, v is the moving speed of the construction platform;

[0152] W5 is the position of the construction platform at t1;

[0153] W6 is the position of the construction platform at t0

[0154] The calculation proportional coefficient j of the moving speed v of the construction platform and the pressure adjustment rate Fv of the lifting hydraulic cylinder is:

[0155] j = Fv / v;

[0156] Wherein, j is the moving speed v of the construction platform and the pressure adjustment speed of the lifting hydraulic cylinder;

[0157] Calculation scale factor of Fv;

[0158] v is the moving speed of the construction platform.

[0159] If the proportional coefficient j is less than or equal to the proportional parameter j0, it is determined that the pressure adjustment rate Fv of the lifting hydraulic cylinder is within a reasonable range, and the adjustment rate of the lifting hydraulic cylinder is continued to be determined;

[0160] If the proportional coefficient j is greater than the proportional parameter j0, it is determined that there is a safety hazard in the lifting hydraulic cylinder, and the intelligent operating ladder is shut down for detection.

[0161] The present invention combines the detection value of the laser rangefinder and the adjustment rate of the lifting hydraulic cylinder to calculate their relative adjustment ratio, and compares and determines the pressure adjustment process in the lifting hydraulic cylinder of the intelligent operating ladder in operation, thereby ensuring the smooth movement of the lifting hydraulic cylinder. At the same time, the intelligent operating ladder is promptly shut down and adjusted if it exceeds the set ratio parameters.

[0162] Continue reading Figure 1As shown, specifically, in the embodiment, when the construction platform is in a safe operating state, the central control box calculates the control cycle of the intelligent operating ladder according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation and the total moving distance of the construction platform, compares the calculated control cycle with the basic parameters of the maintenance cycle of the intelligent operating ladder in the central control box, and makes adjustments based on the comparison results;

[0163] If the control cycle is greater than or equal to the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be extended according to the control cycle;

[0164] If the control cycle is equal to the basic parameters of the maintenance cycle, the basic parameters of the maintenance cycle will not be adjusted;

[0165] If the control cycle is less than the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be shortened according to the control cycle.

[0166] The central control box calculates the control cycle T0 of the intelligent operating ladder and the basic parameter K0 of the maintenance cycle of the intelligent operating ladder in the central control box based on the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation and the total moving distance of the construction platform.

[0167] Specifically, in the embodiment, when calculating the control cycle of the intelligent operating ladder, the central control box stores a hydraulic adjustment coefficient set according to the number of adjustments of the lifting hydraulic cylinder, a motor adjustment coefficient set according to the number of adjustments of the lifting motor, a slider adjustment coefficient set according to the number of adjustments of the slider, and a distance adjustment coefficient set according to the total moving distance of the construction platform; the hydraulic adjustment coefficient is proportional to the number of adjustments of the lifting hydraulic cylinder, the motor adjustment coefficient is proportional to the number of adjustments of the lifting motor, the slider adjustment coefficient is proportional to the number of adjustments of the slider, and the distance adjustment coefficient is proportional to the total moving distance of the construction platform.

[0168] Control cycle T0:

[0169] T0=P×p+M×m+N×n+L×l;

[0170] Among them, T0 is the control cycle of the intelligent operation ladder;

[0171] P is the number of adjustments of the lifting hydraulic cylinder;

[0172] p is the hydraulic adjustment coefficient, which is related to the adjustment number P of the lifting hydraulic cylinder. The greater the adjustment number P of the lifting hydraulic cylinder, the greater the hydraulic adjustment coefficient p;

[0173] M is the number of adjustments of the lifting motor;

[0174] m is the motor adjustment coefficient, which is related to the adjustment number M of the lifting motor. The greater the adjustment number M of the lifting motor, the greater the motor adjustment coefficient m;

[0175] N is the number of times the slider is adjusted;

[0176] n is the slider adjustment coefficient, which is related to the number of slider adjustments N. The larger the number of slider adjustments N, the larger the slider adjustment coefficient n.

[0177] L is the total moving distance of the construction platform;

[0178] l is the distance adjustment coefficient, which is related to the total moving distance L of the construction platform. The larger the total moving distance L of the construction platform, the larger the distance adjustment coefficient l.

[0179] If the control cycle T0 is greater than or equal to the maintenance cycle basic parameter K0, the maintenance cycle basic parameter is extended according to the control cycle;

[0180] If the control cycle T0 is equal to the maintenance cycle basic parameter K0, the maintenance cycle basic parameter is not adjusted;

[0181] If the control cycle T0 is less than the maintenance cycle basic parameter K0, the maintenance cycle basic parameter is shortened according to the control cycle.

[0182] The present invention comprehensively calculates the control cycle based on the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation, as well as the total moving distance of the construction platform, and compares and determines it with the basic parameters of the maintenance cycle, thereby judging the actual maintenance cycle of the intelligent operating ladder as a whole, and comprehensively controlling the maintenance status of the guide mechanism during the operation of the intelligent operating ladder. According to its actual status, the maintenance cycle of the intelligent operating ladder is further optimized to ensure timely and comprehensive maintenance during the operation of the intelligent operating ladder and reduce safety hazards of the intelligent operating ladder.

[0183] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

[0184] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. An intelligent operating ladder, characterized in that: include: The bottom plate has universal wheels installed at the four corners below it, and its upper part serves as a mounting platform to fix other components; Construction platform, which is used for construction workers to carry out work, The cam is secured to the rear of the platform and secured to the top of the platform when the cam is in a position to move relative to the vertical baffle, wherein the cam is secured to the rear of the platform and secured to the top of the platform when the cam is in a position to move relative to the vertical baffle. The lifting device is a scissor-type hydraulic lifting device, wherein the lifting device and the construction platform are spirally connected via a fixed block and a bolt rod, and the rotation of the bolt rod drives the fixed block to move, thereby driving the construction platform fixed with the fixed block to move together, and the construction platform is fixedly connected to the construction platform telescopic rod via bolts; the lifting device is mounted on the base plate and is controlled by an internal lifting hydraulic cylinder; a mounting plate is mounted on the top of the lifting device, and a construction platform telescopic rod and a lifting motor are mounted on the mounting plate; the lifting motor is fixed to the mounting plate, and the output end of the lifting motor is connected to the bolt rod, and the bolt rod passes through the bolt hole of the construction platform lifting plate, and the lifting / lowering action of the construction platform is controlled by the lifting motor; A laser rangefinder, mounted on the base plate, to detect the position of the construction platform; a pressure sensor, mounted on the mounting plate, for detecting the pressure borne by the mounting plate; The central control box is connected to the lifting hydraulic cylinder, lifting motor, laser rangefinder, pressure sensor, and slider in the telescopic ladder, and performs detection result judgment and action control on the connected components, including judging the position of the construction platform according to the distance detected by the laser rangefinder, and judging whether the construction platform can reach the estimated construction position according to the initial position of the construction platform; judging whether the construction platform can reach the estimated construction position if it can reach the estimated construction position; performing lifting / lowering judgment on the construction platform according to the lifting / lowering judgment result; performing action processing of the lifting hydraulic cylinder, lifting motor, and slider according to the lifting / lowering judgment result; judging whether the construction platform is in a safe operating state in real time according to the detection result of the pressure sensor when the construction platform is in action; during the adjustment process of the lifting hydraulic cylinder, the values detected by the laser rangefinder and the pressure sensor are calculated with the pressure adjustment rate of the lifting hydraulic cylinder to judge whether the pressure adjustment rate of the lifting hydraulic cylinder is appropriate; judging whether the maintenance cycle of the intelligent operating ladder needs to be adjusted according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider and the total moving distance of the construction platform.

2. The intelligent operating ladder according to claim 1, characterized in that: Before the intelligent operating ladder is put into action, the laser rangefinder is turned on to detect the initial position of the construction platform. The central control box stores an estimated construction position set for the real-time construction position. The initial position is compared with the estimated construction position, and the absolute value of the position difference of the construction platform is calculated to determine whether the construction platform can reach the estimated construction position. The central control box stores a moving distance threshold of the construction platform. If the position difference is greater than the moving distance threshold, it is determined that the intelligent operation ladder cannot meet the construction requirements and the intelligent operation ladder is replaced; If the position difference is less than or equal to the moving distance threshold, it is determined that the intelligent operating ladder meets the construction requirements, and the intelligent operating ladder is judged to perform the raising / lowering action of the construction platform.

3. The intelligent operating ladder according to claim 2, characterized in that: For an intelligent operating ladder that meets construction requirements, the operation action of the construction platform is judged in the central control box according to the calculated value of the position difference; If the calculated value of the position difference is a negative number, the construction platform is raised; If the calculated value of the position difference is a positive number, the construction platform is lowered; ΔY=S0-W0; Wherein, ΔY is the calculated value of the position difference between the estimated construction position and the construction platform; S0 is the real-time construction position set in the central control box; W0 is the initial position of the construction platform.

4. The intelligent operating ladder according to claim 3, characterized in that: For an intelligent operating ladder in operation, the operation of the lifting hydraulic cylinder, lifting motor, and slider is adjusted one by one according to the operation action judgment result; The central control box stores a maximum adjustment value of the lifting hydraulic cylinder, a minimum adjustment value of the lifting hydraulic cylinder, a maximum adjustment value of the bolt rod, a minimum adjustment value of the bolt rod, a maximum adjustment value of the slider, and a minimum adjustment value of the slider.

5. The intelligent operating ladder according to claim 4, characterized in that: When the construction platform is performing an ascending action, If the absolute value of the position difference is less than or equal to the maximum adjustment value of the lifting hydraulic cylinder, adjust the lifting hydraulic cylinder until the absolute value of the position difference is zero; If the absolute value of the position difference is greater than the maximum adjustment value of the lifting hydraulic cylinder, the lifting hydraulic cylinder is adjusted until the lifting hydraulic cylinder is raised to the maximum adjustment value of the lifting hydraulic cylinder. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the first lifting position difference is calculated in the central control box, and the lifting motor is further adjusted based on the first lifting position difference. If the first elevated position difference is less than or equal to the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero; If the first elevated position difference is greater than the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is elevated to the maximum adjustment value of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the second elevated position difference is calculated in the central control box, and the slider is further adjusted according to the second elevated position difference until the absolute value of the position difference is zero. If the lifting hydraulic cylinder is raised to the maximum adjustment value Amax of the lifting hydraulic cylinder, the position of the construction platform is W1; The first rising position difference G1 at this time: G1=|ΔY'-|W1-W0||; Among them, G1 is the first elevated position difference of the construction platform when the lifting hydraulic cylinder is adjusted to the maximum adjustment range A1; ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform; W1 is the position of the construction platform when the lifting hydraulic cylinder is raised to the maximum adjustment value Amax of the lifting hydraulic cylinder; If the bolt rod is raised to the maximum adjustment value Bmax of the bolt rod, the position of the construction platform is W2; The second rising position difference G2 at this time: G2=|ΔY'-|W2-W0||; Among them, G2 is the second elevated position difference of the construction platform after the bolt rod is raised to the maximum adjustment range B1; ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform; W2 is the position of the construction platform when the bolt rod is raised to the maximum adjustment value Bmax of the bolt rod.

6. The intelligent operating ladder according to claim 4, characterized in that: When the construction platform is descending, If the absolute value of the position difference is less than or equal to the maximum adjustment value of the slider, adjust the slider until the absolute value of the position difference is zero; If the absolute value of the position difference is greater than the maximum adjustment value of the slider, the slider is adjusted until it is lowered to the minimum adjustment value. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, a first lowering position difference is calculated in the central control box, and the bolt rod is further adjusted based on the first lowering position difference. If the first lowering position difference is less than or equal to the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the absolute value of the position difference is zero; If the first lowering position difference is greater than the maximum adjustment value of the bolt rod, the motor is controlled to adjust the bolt rod until the bolt rod is lowered to the minimum adjustment value of the bolt rod. At the same time, the laser rangefinder detects the position of the construction platform. Based on the detection result, the second lowering position difference is calculated in the central control box, and the lifting hydraulic cylinder is further adjusted according to the second lowering position difference until the absolute value of the position difference is zero. If the slider is lowered to the minimum adjustment value Cmin, the position of the construction platform is W3; The first lowering position difference D1 at this time: D1=|ΔY'-|W0-W3||; Wherein, D1 is the first lowering position difference of the construction platform when the slider is lowered to the minimum adjustment value Cmin of the slider; ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform; W3 is the position of the construction platform when the slider is reduced to the minimum adjustment value Cmin; If the bolt rod is reduced to the minimum adjustment value Bmin, the position of the construction platform is W4; The second lowering position difference D2 at this time: D2=|ΔY'-|W0-W4||; Wherein, D2 is the first lowering position difference of the construction platform when the bolt rod is lowered to the minimum adjustment value Bmin of the bolt rod; ΔY' is the absolute value of the position difference between the estimated construction position and the construction platform; W4 is the position of the construction platform when the bolt rod is lowered to the minimum adjustment value Bmin of the bolt rod.

7. The intelligent operating ladder according to any one of claims 5 or 6, characterized in that: When the construction platform is performing an ascending / descending action, the pressure sensor detects the actual pressure on the mounting plate in real time. A pressure threshold is stored in the central control box. The actual pressure is compared with the pressure threshold to determine whether the construction platform is in a safe operating state. If the actual pressure is less than or equal to the pressure threshold, it is determined that the construction platform is in a safe operating state; If the actual pressure is greater than the pressure threshold, it is determined that the construction platform is in a dangerous operating state, and the intelligent operating ladder is automatically shut down.

8. The intelligent operating ladder according to claim 7, characterized in that: During the lifting / lowering operation of the construction platform, when the pressure of the lifting hydraulic cylinder is adjusted, Over a period of time, the laser rangefinder calculates the moving speed of the construction platform based on the adjustment time and the displacement change of the construction platform. The central control box monitors the pressure adjustment rate of the lifting hydraulic cylinder in real time, thereby calculating the proportional coefficient between the pressure adjustment rate of the lifting hydraulic cylinder and the moving speed of the construction platform. Based on the calculated proportional coefficient, it is determined whether the adjustment rate of the lifting hydraulic cylinder is appropriate. The proportional parameter is stored in the central control box. If the proportional coefficient is less than or equal to the proportional parameter, it is determined that the pressure adjustment rate of the lifting hydraulic cylinder is within a reasonable range, and the adjustment rate of the lifting hydraulic cylinder is continued to be determined; If the proportional coefficient is greater than the proportional parameter, it is determined that there is a safety hazard in the lifting hydraulic cylinder, and the intelligent operating ladder is shut down for detection.

9. The intelligent operating ladder according to claim 8, characterized in that: When the construction platform is in a safe operating state, the central control box calculates the control cycle of the intelligent operating ladder according to the number of adjustments of the lifting hydraulic cylinder, the lifting motor, and the slider during operation and the total movement distance of the construction platform, compares the calculated control cycle with the basic parameters of the maintenance cycle of the intelligent operating ladder in the central control box, and makes adjustments based on the comparison results; If the control cycle is greater than or equal to the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be extended according to the control cycle; If the control cycle is equal to the basic parameters of the maintenance cycle, the basic parameters of the maintenance cycle will not be adjusted; If the control cycle is less than the basic parameter of the maintenance cycle, the basic parameter of the maintenance cycle will be shortened according to the control cycle; Control cycle T0: T0=P×p+M×m+N×n+L×l; Among them, T0 is the control cycle of the intelligent operation ladder; P is the number of adjustments of the lifting hydraulic cylinder; p is the hydraulic adjustment coefficient, which is related to the adjustment number P of the lifting hydraulic cylinder. The greater the adjustment number P of the lifting hydraulic cylinder, the greater the hydraulic adjustment coefficient p; M is the number of adjustments of the lifting motor; m is the motor adjustment coefficient, which is related to the adjustment number M of the lifting motor. The greater the adjustment number M of the lifting motor, the greater the motor adjustment coefficient m; N is the number of times the slider is adjusted; n is the slider adjustment coefficient, which is related to the number of slider adjustments N. The larger the number of slider adjustments N, the larger the slider adjustment coefficient n. L is the total moving distance of the construction platform; l is the distance adjustment coefficient, which is related to the total moving distance L of the construction platform. The larger the total moving distance L of the construction platform, the larger the distance adjustment coefficient l.

10. The intelligent operating ladder according to claim 9, characterized in that: When calculating the control cycle of the intelligent operating ladder, the central control box stores a hydraulic adjustment coefficient set according to the number of adjustments of the lifting hydraulic cylinder, a motor adjustment coefficient set according to the number of adjustments of the lifting motor, a slider adjustment coefficient set according to the number of adjustments of the slider, and a distance adjustment coefficient set according to the total moving distance of the construction platform; The hydraulic adjustment coefficient is proportional to the number of adjustments of the lifting hydraulic cylinder, the motor adjustment coefficient is proportional to the number of adjustments of the lifting motor, the slider adjustment coefficient is proportional to the number of adjustments of the slider, and the distance adjustment coefficient is proportional to the total moving distance of the construction platform.

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