Automatic lifting control ladder for pressing steel plate on outer wall of steel structure

Abstract

The invention relates to the technical field of crawling ladders, and discloses an automatic lifting control ladder for pressing a steel plate on an outer wall of a steel structure, the automatic lifting control ladder comprises a screw rod sleeve rod assembly, and the extension or contraction of the screw rod sleeve rod assembly enables a first folding mechanism to extend or contract, so that the overall extension or contraction of a ladder body is realized. When the ladder body is in the contraction state, the size of the ladder body is obviously reduced, the ladder body can be directly carried, the situation that a traditional construction ladder needs to be transported through hoisting equipment due to the large size is avoided, and therefore the transportation efficiency is improved, and the transportation cost is reduced; when the ladder body is in a stretching state, the height of the ladder body can be adjusted through step-by-step transmission ascending of the multiple stages of screw rod sleeve rods, and therefore the situation that the height of a traditional construction ladder needs to be adjusted in a welding or cutting mode can be avoided. The visual positioning clamping mechanism can clamp an I-shaped steel beam at the top of a steel structure, so that the I-shaped steel beam is fixedly connected with a steel structure building, and a traditional welding fixing mode is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of construction ladders, and particularly to an automated lifting control ladder for pressing steel plates on the outer wall of a steel structure building. Background Art

[0002] During the construction process of pressing steel plates on the outer wall of a steel structure building, a construction ladder is usually required as a high-altitude operation device. However, the construction ladders in the prior art have the following problems:

[0003] Firstly, before the installation operation starts, due to the large overall size of the construction ladder, a hoisting device is needed to transport the construction ladder to the outside of the outer wall of the steel structure building to be installed. Subsequently, the height of the construction ladder is adjusted adaptively through on-site welding or cutting processes to ensure its accurate correspondence with the position to be installed. After the height adjustment is completed, the construction ladder is fixedly connected to the steel structure building by welding. After the current installation of the pressed steel plates on the outer wall of the steel structure is completed, when it is necessary to switch to the operation on the other side of the outer wall of the steel structure, first, the welding fixing points between the construction ladder and the steel structure need to be removed. Subsequently, the construction ladder is transported to the next construction area by a hoisting device, and then the height adjustment and fixed installation of the construction ladder are carried out again at the new operation position.

[0004] Among them, every time the operation surface of the outer wall of the steel structure is changed, the construction ladder must be re-adjusted in height and fixedly installed after being displaced. This repetitive operation makes the construction process cumbersome, thus significantly reducing the overall construction efficiency. In addition, the height adjustment and fixed installation of the construction ladder both require professional personnel to operate, thereby increasing the labor cost. Summary of the Invention

[0005] The present invention aims to provide an automated lifting control ladder for pressing steel plates on the outer wall of a steel structure, which can avoid the problems of the traditional construction ladder that requires a hoisting device for transportation, relies on welding / cutting methods to adjust the height, and uses welding for fixation. Thus, it can significantly improve the operation efficiency of the transportation, height adjustment, and fixation links of the construction ladder, and effectively reduce the overall construction cost.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] 1) An automated lifting control ladder for pressing steel plates on the outer wall of a steel structure, comprising a base, a microprocessor, and a ladder body with a folding function. The ladder body includes several parallel crossbars. Both ends of each crossbar are respectively provided with a first folding mechanism and a second folding mechanism that are internally hollow and foldable. The bottoms of the first folding mechanism and the second folding mechanism are both fixedly connected to the base. The top of the ladder body is provided with a visual positioning and clamping mechanism that can collect images and clamp the top I-beam of the steel structure. The tops of the first folding mechanism and the second folding mechanism are both fixedly connected to the visual positioning and clamping mechanism;

[0008] A telescopic mechanism for driving its extension or contraction is provided inside the first folding mechanism. The telescopic mechanism includes a screw rod sleeve rod assembly. The screw rod sleeve rod assembly includes several levels of coaxially nested screw rod sleeve rods. The outer surface of the screw rod sleeve rod is provided with external threads extending along its axial direction. A fixing ring is sleeved on the top of the outer surface of the screw rod sleeve rod. A nut sleeve ring is provided at the bottom of the inner surface of the screw rod sleeve rod. The inner side wall of the nut sleeve ring is provided with internal threads matching the external threads of the adjacent lower screw rod sleeve rod, and the nut sleeve ring can move axially along the adjacent lower screw rod sleeve rod. The screw rod sleeve rod at the top of the screw rod sleeve rod assembly passes through the first folding mechanism and is fixedly connected to the visual positioning clamping mechanism. The screw rod sleeve rod at the bottom of the screw rod sleeve rod assembly is connected to a driving motor for driving its rotation, and gradually pushes the screw rod sleeve rod to extend or contract. A placement groove is opened on the upper surface of the base, and the driving motor is located in the placement groove. The driving motor and the visual positioning clamping mechanism are respectively electrically connected to the microprocessor.

[0009] In the present invention, the ladder body includes several horizontally arranged cross bars, providing a stable climbing tread for construction workers. First folding mechanisms and second folding mechanisms are respectively provided at both ends of each cross bar. When the height of the ladder body needs to be adjusted, the first folding mechanism and the second folding mechanism can extend or contract synchronously, driving the entire ladder body to extend or contract. By folding and contracting, the volume of the ladder body can be significantly reduced, enabling it to be directly carried when transportation is required, avoiding the situation where traditional construction ladders need to use hoisting equipment for transportation due to their large volume, thereby improving the transportation efficiency during the construction process and reducing the additional costs generated by using hoisting equipment.

[0010] The inside of the first folding mechanism is hollowly arranged, enabling the telescopic mechanism to be completely placed in the internal cavity of the first folding mechanism. The telescopic mechanism is used to drive the first folding mechanism to extend or contract. The telescopic mechanism includes a driving motor and a screw rod sleeve rod assembly. The screw rod sleeve rod assembly includes several levels of coaxially nested screw rod sleeve rods. A nut sleeve ring with internal threads is provided at the bottom of each level of screw rod sleeve rod, and meshes with the external threads of the adjacent lower screw rod sleeve rod, so that when the current level of screw rod sleeve rod rotates, it can drive the nut sleeve ring inside the adjacent upper screw rod sleeve rod to move axially along the current level of screw rod sleeve rod.

[0011] The driving motor is used to drive the rotation of the bottom screw rod sleeve rod. Since the screw rod sleeve rod at the top of the screw rod sleeve rod assembly passes through the first folding mechanism and is fixedly connected to the visual positioning clamping mechanism, when the driving motor drives the rotation of the screw rod sleeve rod at the bottom of the screw rod sleeve rod assembly, relative movement occurs between the external threads of the screw rod sleeve rod at the bottom of the screw rod sleeve rod assembly and the internal threads of the nut sleeve ring of the adjacent upper screw rod sleeve rod. The nut sleeve ring of the adjacent upper screw rod sleeve rod will spiral upward along the external threads of the screw rod sleeve rod at the bottom of the screw rod sleeve rod assembly, and the upward movement of the nut sleeve ring of the adjacent upper screw rod sleeve rod will drive the adjacent upper screw rod sleeve rod to move upward accordingly.

[0012] When the nut sleeve ring of the upper adjacent screw rod sleeve rod rises to contact the fixed ring of the screw rod sleeve rod located at the bottom of the screw rod sleeve rod assembly, the nut sleeve ring stops rising. At this time, the bottom screw rod sleeve rod continues to rotate, driving the upper adjacent screw rod sleeve rod to start rotating. The rotation of the upper adjacent screw rod sleeve rod drives the nut sleeve ring of the even higher adjacent screw rod sleeve rod to move upward. In this way of step-by-step transmission, the power generated by the driving motor is sequentially transmitted to each level of the screw rod sleeve rod, ultimately driving the first folding mechanism to achieve an extension movement.

[0013] As the first folding mechanism extends, it drives the connected cross bars to rise synchronously, and then drives the second folding mechanism to extend accordingly. This setting method ensures that the first folding mechanism and the second folding mechanism extend in a coordinated manner, realizing the adjustment of the ladder body height, thereby avoiding the need to use welding or cutting methods to adjust the height of the traditional construction ladder, and significantly improving the construction efficiency.

[0014] When it is necessary to transfer the ladder body to another steel structure building for operation, start the driving motor to rotate in the reverse direction, driving the screw rod sleeve rod located at the bottom of the screw rod sleeve rod assembly to rotate reversely. The external thread of the screw rod sleeve rod located at the bottom of the screw rod sleeve rod assembly and the internal thread of the nut sleeve ring of the upper adjacent screw rod sleeve rod generate relative movement, and the nut sleeve ring spirally descends along the external thread of the screw rod sleeve rod located at the bottom of the screw rod sleeve rod assembly. The downward movement of the nut sleeve ring drives the upper adjacent screw rod sleeve rod to move downward.

[0015] At the same time, since the nut sleeve rings of each screw rod sleeve rod are in a fitting state with the fixed rings of the lower adjacent screw rod sleeve rods, when the screw rod sleeve rod located at the bottom of the screw rod sleeve rod assembly rotates reversely, all the upper-level screw rod sleeve rods above it will rotate reversely, driving the nut sleeve rings of each level of the screw rod sleeve rod to spiral down, thereby realizing the rapid contraction of the screw rod sleeve rod assembly. As the screw rod sleeve rod assembly contracts, the first folding mechanism folds smoothly, and then drives the second folding mechanism to contract synergistically through the cross bar, thus ensuring the high efficiency and operation convenience during the conversion of the construction scenario.

[0016] The visual positioning clamping mechanism is located at the top of the ladder body and is used to clamp the I-beam at the top of the steel structure, thereby fixedly connecting it to the steel structure building, avoiding the use of traditional welding fixing methods, and being able to achieve rapid installation and disassembly, thereby improving the overall construction efficiency.

[0017] The driving motor and the visual positioning clamping mechanism are respectively electrically connected to the microprocessor. The microprocessor is connected to a control panel. The microprocessor stores a preset upward control program and a downward control program. When the ladder body moves to the operation position outside the steel structure to be constructed, the operator selects and triggers the upward control program in the microprocessor through the control panel. After the microprocessor receives the instruction to start the upward control program, it immediately sends a command to the driving motor, driving the telescopic mechanism to perform an upward movement through the driving motor, thereby driving the ladder body to perform an upward movement.

[0018] The visual positioning clamping mechanism can obtain the current image information in real time and transmit it to the microprocessor. The microprocessor stores the standard image of the I-beam on the top of the steel structure and sets the threshold for feature matching. When the microprocessor receives the real-time image, it will compare the features with the standard image. When the image matching degree reaches the preset threshold, it is determined that the top of the ladder has reached the top of the steel structure, and the height of the ladder is exactly the same as the height of the steel structure. Subsequently, the microprocessor commands the drive motor to stop working to ensure that the ladder is in the correct position, and at the same time commands the visual positioning clamping mechanism to start clamping the I-beam on the top of the steel structure, thereby completing the stable connection between the ladder and the steel structure.

[0019] When the construction of the pressed steel plate on the steel structure's exterior wall is completed and the ladder needs to be moved, the operator selects and triggers the descent control program in the microprocessor through the control panel. After receiving the instruction to start the descent control program, the microprocessor immediately commands the visual positioning clamping mechanism to release the I-beam on the top of the steel structure to release the ladder from the steel structure. Then, the drive motor is commanded to rotate in the opposite direction, thereby driving the telescopic mechanism to retract.

[0020] With the coordinated cooperation of the microprocessor, drive motor and visual positioning clamping mechanism, the ladder can automatically adjust its height according to the height of the steel structure building, ensuring the efficiency and accuracy of the adjustment process. In addition, the visual positioning clamping mechanism clamps and releases the I-beam on the top of the steel structure, thereby realizing the fixing and disassembly functions of the ladder and the steel structure, further optimizing the construction process and greatly improving the construction efficiency.

[0021] 2) The automatic lifting control ladder for pressing steel plates for steel structure exterior walls according to 1), wherein:

[0022] The first folding mechanism includes several levels of first sets of rods corresponding to the cross bar one by one, the first sets of rods are located at the end of the cross bar, the axis of the first sets of rods is perpendicular to the axis of the cross bar, the first sets of rods are hollow inside, and the longitudinal section of the first sets of rods is an inverted trapezoid, and the first sets of rods of each level are slidably nested to form a retractable folding structure, the screw sleeve rod assembly is located in the first set of rods at the bottom of the first folding mechanism, the second folding mechanism includes several levels of second sets of rods corresponding to the cross bar one by one, the second set of rods are located at the other end of the cross bar, the axis of the second set of rods is perpendicular to the axis of the cross bar, and the second sets of rods of each level are slidably nested to form a retractable folding structure, the top surfaces of the top first set of rods and the top second set of rods are fixedly connected to the visual positioning clamping mechanism, and the bottom surfaces of the first set of rods at the bottom of the first folding mechanism and the second set of rods at the bottom of the second folding mechanism are fixedly connected to the upper surface of the base.

[0023] In the present invention, the first set of rods of each level form a telescopic folding structure through sliding nesting. The inside of the first set of rods is hollow, and the first set of rods at each level can slide relative to each other. When the screw rod sleeve assembly inside the bottom first set of rods extends, it can push the visual positioning clamping mechanism at the top of the ladder body to rise, thereby driving the first set of rods connected to the visual positioning clamping mechanism to rise.

[0024] As the top first set of rods continue to rise, since the longitudinal cross-section of the first set of rods at each level is an inverted trapezoid with a wider top and a narrower bottom, when the bottom edge of the inner side wall of the top first set of rods comes into contact with the top edge of the outer side wall of the adjacent lower first set of rods, the contact surfaces of the two will completely fit together and enter a relatively stationary state. In this state, as the top first set of rods continue to rise, the bottom edge of its inner side wall will exert an upward pulling force on the adjacent lower first set of rods through the contact surface, thereby pulling the adjacent lower first set of rods upward.

[0025] The first set of rods at each level will successively pull the adjacent lower first set of rods upward during the rising process. At the same time, the rising of the first set of rods will drive the cross bar connected to it to rise. The rising of the cross bar will drive the second set of rods connected to the other end of the cross bar to rise, so that the whole ladder body can rise smoothly, thereby realizing the adjustment of the height of the ladder body, and can avoid the need to use welding or cutting methods to adjust the height of traditional construction ladders, significantly improving the construction efficiency.

[0026] When the screw rod sleeve assembly inside the bottom first set of rods contracts, the first set of rods at each level lose the internal supporting force and begin to descend under the action of gravity, and slide into the adjacent lower first set of rods, finally realizing the mutual nesting of all the first set of rods. When the first set of rods descend, they will drive the cross bar to descend at the same time. The descending of the cross bar will drive the second set of rods connected to the other end of the cross bar to descend, finally realizing the mutual nesting of all the second set of rods, so that the whole ladder body returns to the contracted state, reducing the volume of the ladder body, making it possible to be directly carried when transportation is needed, avoiding the situation that traditional construction ladders need to use hoisting equipment for transportation due to their large volume, thereby improving the transportation efficiency during the construction process and reducing the additional costs generated by using hoisting equipment.

[0027] 3) The automated lifting control ladder for pressing steel plates on the outer wall of a steel structure according to 1), wherein:

[0028] The visual positioning clamping mechanism includes a strip-shaped clamping base. The tops of the first folding mechanism and the second folding mechanism are respectively fixedly connected to the bottom surface of the clamping base. A servo motor and a camera are provided on the upper surface of the clamping base. A threaded screw rod parallel to the upper surface of the base is provided on the output shaft of the servo motor. A first clamping component and a second clamping component that can move towards or away from each other are provided on the threaded screw rod. The camera is higher than the clamping components. The servo motor and the camera are respectively electrically connected to the microprocessor.

[0029] In the present invention, the camera can acquire the current image information in real time and transmit it to the microprocessor. The standard image of the I-beam at the top of the steel structure is stored inside the microprocessor, and a threshold for feature matching is set. When the microprocessor receives the real-time image, it will perform feature comparison with the standard image, which is prior art and will not be elaborated here. When the matching degree of the image reaches the preset threshold, it is determined that the top of the ladder has reached the top of the steel structure, and at this time, the height of the ladder is exactly the same as the height of the steel structure.

[0030] Subsequently, the microprocessor commands the drive motor to stop working, so as to ensure that the ladder is in the accurate position. At the same time, a clamping command is sent to the servo motor. After the servo motor is started, its output shaft starts to rotate, and then drives the threaded lead screw to rotate accordingly. The rotation of the threaded lead screw drives the first clamping component and the second clamping component to move towards each other. Through the movement towards each other of the first clamping mechanism and the second clamping mechanism, the first clamping component and the second clamping component can respectively firmly clamp both sides of the I-beam at the top of the steel structure, thus completing the stable connection between the ladder and the steel structure.

[0031] When the construction operation of pressing the steel plate on the outer wall of the steel structure is completed and the ladder needs to be transferred, the operator selects and triggers the descent control program in the microprocessor through the control panel. After the microprocessor receives the instruction to start the descent control program, it immediately sends a release command to the servo motor. After the servo motor is started, its output shaft starts to rotate in the reverse direction, and then drives the threaded lead screw to rotate in the reverse direction accordingly. The reverse rotation of the threaded lead screw drives the first clamping component and the second clamping component to move away from each other. Through the movement away from each other of the first clamping mechanism and the second clamping mechanism, the first clamping component and the second clamping component will respectively move away from the I-beam at the top of the steel structure, thus releasing the fixation between the ladder and the steel structure.

[0032] 4) The automated lifting control ladder for pressing steel plates on the outer wall of a steel structure according to 3), wherein:

[0033] The first clamping component includes a first threaded nut, the first threaded nut is sleeved on the threaded lead screw, a first slider is provided at the bottom of the first threaded nut, a first clamping block is provided on the outer side surface of the first threaded nut, and a first clamping rod parallel to the upper surface of the clamping base is provided on the side surface of the first clamping block;

[0034] The second clamping component includes a second threaded nut, which is sleeved on the threaded screw rod. The first threaded nut and the second threaded nut can move towards or away from each other along the threaded screw rod. A second slider is provided at the bottom of the second threaded nut, and a second clamping block is provided on the outer side surface of the second threaded nut. A second clamping rod parallel to the upper surface of the clamping base is provided on the side surface of the second clamping block. The first clamping rod and the second clamping rod are arranged facing each other. A slideway is provided along the axial direction of the upper surface of the clamping base, and both the first slider and the second slider can slide along the slideway.

[0035] In the present invention, the first threaded nut and the second threaded nut are sleeved on the threaded screw rod. When the threaded screw rod rotates, since the first threaded nut and the second threaded nut have opposite helix directions, the two will move synchronously towards or away from each other in a straight line on the threaded screw rod. The first clamping block connects the first threaded nut and the first clamping rod, transmitting the linear motion of the first threaded nut to the first clamping rod, causing the first clamping rod to move along the side close to or away from the I-shaped steel beam, thereby applying a clamping force or releasing the clamping.

[0036] At the same time, the second clamping block connects the second threaded nut and the second clamping rod, causing the second clamping rod to move in a symmetrical manner with the first clamping rod, clamping or releasing the other side of the I-shaped steel beam synchronously with the first clamping rod, thereby ensuring an even distribution of the clamping forces on both sides and achieving a stable and precise clamping effect.

[0037] A slideway is provided along the axial direction of the upper surface of the clamping base, and both the first slider and the second slider can slide along the slideway, thereby restricting the movement trajectories of the sliders, ensuring that the first clamping rod and the second clamping rod move smoothly when moving towards or away from each other, avoiding jamming or deviation, and thus significantly improving the accuracy and stability of the clamping action.

[0038] 5) The automatic lifting control ladder for pressing steel plates on the steel structure exterior wall according to 1), wherein:

[0039] Several protrusions are provided on the upper surface of the nut collar, and several grooves corresponding to the protrusions are provided on the lower surface of the fixed ring. The protrusions can be embedded in the grooves on the lower surface of the fixed ring of the adjacent lower screw rod sleeve.

[0040] In the present invention, when the nut collar rises to contact the fixed ring of the adjacent lower screw rod sleeve, the upper surface of the nut collar is in close contact with the lower surface of the fixed ring of the adjacent lower screw rod sleeve. At this time, the protrusions on the upper surface of the nut collar are embedded in the grooves on the lower surface of the fixed ring of the adjacent lower screw rod sleeve, thereby ensuring the relative fixation of the positions of the nut collar and the fixed ring of the adjacent lower screw rod sleeve, effectively preventing the displacement or loosening of the nut collar, and at the same time significantly enhancing the stability of the overall structure and reducing the deviation caused by vibration or external force interference.

[0041] 6) The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to 2), wherein:

[0042] The output shaft of the driving motor is connected with a driving lead screw. The nut collar of the lead screw sleeve rod at the bottom of the lead screw sleeve rod assembly is in threaded connection with the threaded lead screw. The upper surface of the nut collar of the lead screw sleeve rod at the bottom of the lead screw sleeve rod assembly is provided with several protrusions. A fixing block is sleeved on the outer surface of the threaded lead screw near the top edge. The lower surface of the fixing block is provided with several fixing grooves corresponding to the protrusions, and the protrusions can be embedded into the fixing grooves.

[0043] In the present invention, when the driving motor is started, the output shaft of the driving motor rotates, thereby driving the driving lead screw to rotate accordingly. The rotation of the driving lead screw drives the nut collar of the lead screw sleeve rod at the bottom of the lead screw sleeve rod assembly to move upward along the axis of the driving lead screw. When the nut collar moves upward to contact the fixing block, the upper surface of the nut collar is closely attached to the lower surface of the fixing block. At this time, the protrusions on the upper surface of the nut collar are embedded into the fixing grooves on the lower surface of the fixing block, thereby ensuring the relative fixation of the positions of the nut collar and the fixing block, effectively preventing the displacement or loosening of the nut collar, and at the same time significantly enhancing the stability of the overall structure and reducing the deviation caused by vibration or external force interference.

[0044] 7) The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to 1), wherein:

[0045] The outer surface of the cross bar is provided with a roller assembly, and the roller assembly can roll along the side wall of the steel structure.

[0046] In the present invention, during the ascending or descending process of the ladder body, the roller assembly can roll along the side wall of the steel structure, thereby preventing the cross bar from shifting and twisting, and enhancing the stability of the ladder body during the lifting process.

[0047] 8) The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to 7), wherein:

[0048] The roller assembly includes rollers. A rolling shaft is coaxially penetrated through the rollers. Vertical rods are respectively arranged at both ends of the rolling shaft, and both ends of the vertical rods are fixedly connected with the cross bar.

[0049] In the present invention, a rolling shaft is penetrated through the rollers, and the rolling shaft plays a supporting role for the rollers to ensure that the rollers can rotate stably and accurately. Vertical rods are respectively arranged at both ends of the rolling shaft, and both ends of the vertical rods are fixedly connected with the cross bar, forming a stable frame structure, thereby ensuring the stability of the rollers during rolling.

[0050] Compared with the prior art, the present invention also has the following technical effects:

[0051] The present invention enables the overall extension or contraction of the ladder body by extending or contracting the screw rod sleeve rod assembly. When the ladder body is in the contracted state, the volume of the ladder body is significantly reduced. Compared with the prior art, the ladder body of the present invention can be directly carried after contraction, avoiding the situation that traditional construction ladders need to use hoisting equipment for transportation due to their large volume, thereby improving the transportation efficiency and reducing the transportation cost; when the ladder body is in the extended state, it can be raised step by step through the step-by-step transmission of several screw rod sleeve rods, enabling the adjustment of the height of the ladder body, thus avoiding the need to use welding or cutting methods to adjust the height of traditional construction ladders, and significantly improving the construction efficiency. In addition, the visual positioning clamping mechanism can clamp the I-beam at the top of the steel structure, thereby fixedly connecting it to the steel structure building, avoiding the use of traditional welding fixing methods, enabling rapid installation and disassembly, and improving the overall construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 FIG. is a schematic structural diagram of the automatic lifting control ladder for pressing steel plates on the outer wall of a steel structure according to the present invention.

[0053] Figure 2 FIG. is the visual positioning clamping mechanism in the automatic lifting control ladder for pressing steel plates on the outer wall of a steel structure according to the present invention.

[0054] Figure 3 is Figure 2 a cross-sectional view taken along line A-A in FIG.

[0055] Figure 4 FIG. is a schematic structural diagram of the roller assembly in the automatic lifting control ladder for pressing steel plates on the outer wall of a steel structure according to the present invention.

[0056] Figure 5 FIG. is a cross-sectional view of the spiral sleeve rod in the automatic lifting control ladder for pressing steel plates on the outer wall of a steel structure according to the present invention.

[0057] Figure 6 is Figure 1 an enlarged view of FIG. at A. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0058] The following is a further detailed description through specific embodiments:

[0059] The reference signs in the attached drawings of the specification include: base 1, cross bar 2, screw rod sleeve rod 3, fixing ring 4, nut sleeve ring 5, driving motor 6, placing groove 7, first sleeve rod 8, second sleeve rod 9, clamping base 10, servo motor 11, camera 12, threaded screw rod 13, first threaded nut 14, first slider 15, first clamping block 16, first clamping rod 17, second threaded nut 18, second slider 19, second clamping block 20, second clamping rod 21, slideway 22, protrusion 23, groove 24, driving screw rod 25, roller 26, rolling shaft 27, vertical rod 28, fixing block 29.

[0060] For the embodiment, refer to Figure 1 , Figure 5 and Figure 6 As shown, in this embodiment, the automatic lifting control ladder for pressing steel plates on the steel structure exterior wall includes a base 1, a microprocessor, and a ladder body with a folding function. The ladder body includes several parallel cross bars 2. Both ends of the cross bar 2 are respectively provided with a first folding mechanism and a second folding mechanism that are internally hollow and foldable. The bottoms of the first folding mechanism and the second folding mechanism are both fixedly connected to the base 1. The top of the ladder body is provided with a visual positioning clamping mechanism that can collect images and clamp the top I-beam of the steel structure. The tops of the first folding mechanism and the second folding mechanism are both fixedly connected to the visual positioning clamping mechanism.

[0061] Among them, in the first folding mechanism or the second folding mechanism, or both the first folding mechanism and the second folding mechanism, there is a telescopic mechanism for driving its extension or contraction. The telescopic mechanism includes a screw rod sleeve rod assembly. The screw rod sleeve rod assembly includes several levels of coaxially nested screw rod sleeve rods 3. The outer surface of the screw rod sleeve rod 3 is provided with an external thread extending along its axial direction. The top of the outer surface of the screw rod sleeve rod 3 is sleeved with a fixing ring 4. The bottom of the inner surface of the screw rod sleeve rod 3 is provided with a nut sleeve ring 5. The inner side wall of the nut sleeve ring 5 is provided with an internal thread that matches the external thread of the adjacent lower screw rod sleeve rod 3, and the nut sleeve ring 5 can move along the axial direction of the adjacent lower screw rod sleeve rod 3.

[0062] In addition, the screw rod sleeve rod 3 at the top of the screw rod sleeve rod assembly passes through the first folding mechanism and is fixedly connected to the visual positioning clamping mechanism. The screw rod sleeve rod 3 at the bottom of the screw rod sleeve rod assembly is connected with a driving motor 6 for driving its rotation, and gradually pushes the screw rod sleeve rod 3 to extend or contract. A placing groove 7 is opened on the upper surface of the base 1. The driving motor 6 is located in the placing groove 7. The driving motor 6 and the visual positioning clamping mechanism are respectively electrically connected to the microprocessor.

[0063] In this embodiment, the ladder body includes several horizontally arranged crossbars 2, providing a stable climbing tread for construction workers. At both ends of each crossbar 2, a first folding mechanism and a second folding mechanism are respectively provided. When the height of the ladder body needs to be adjusted, the first folding mechanism and the second folding mechanism can extend or contract synchronously, driving the entire ladder body to extend or contract. By folding and contracting, the volume of the ladder body can be significantly reduced, enabling it to be directly carried when transportation is required, avoiding the situation where traditional construction ladders need to be transported using hoisting equipment due to their large volume, thereby improving the transportation efficiency during construction and reducing the additional costs incurred by using hoisting equipment.

[0064] The inside of the first folding mechanism is hollow, allowing the telescopic mechanism to be completely placed inside the inner cavity of the first folding mechanism. The telescopic mechanism is used to drive the first folding mechanism to extend or contract. The telescopic mechanism includes a driving motor 6 and a screw rod sleeve assembly. The screw rod sleeve assembly includes several levels of coaxially nested screw rod sleeves 3. At the inner bottom of each level of screw rod sleeve 3, a nut sleeve ring 5 with internal threads is provided, which meshes with the external threads of the adjacent lower screw rod sleeve 3, so that when the current level of screw rod sleeve 3 rotates, it can drive the nut sleeve ring 5 inside the adjacent upper screw rod sleeve 3 to move along the axial direction of the current level of screw rod sleeve 3.

[0065] The driving motor 6 is used to drive the rotation of the bottom screw rod sleeve 3. Since the screw rod sleeve 3 at the top of the screw rod sleeve assembly passes through the first folding mechanism and is fixedly connected to the visual positioning clamping mechanism, when the driving motor 6 drives the rotation of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly, relative movement occurs between the external threads of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly and the internal threads of the nut sleeve ring 5 of the adjacent upper screw rod sleeve 3. The nut sleeve ring 5 of the adjacent upper screw rod sleeve 3 will spiral upward along the external threads of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly, and the upward movement of the nut sleeve ring 5 of the adjacent upper screw rod sleeve 3 will drive the adjacent upper screw rod sleeve 3 to move upward accordingly.

[0066] When the nut sleeve ring 5 of the adjacent upper screw rod sleeve rises to contact the fixed ring 4 of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly, the nut sleeve ring 5 stops rising. At this time, the bottom screw rod sleeve 3 continues to rotate, driving the adjacent upper screw rod sleeve 3 to start rotating. The rotation of the adjacent upper screw rod sleeve 3 will drive the nut sleeve ring 5 of the further adjacent upper screw rod sleeve 3 to move upward. Through this step-by-step transmission method, the power generated by the driving motor 6 is sequentially transmitted to each level of screw rod sleeve 3, finally pushing the first folding mechanism to achieve the extension movement.

[0067] As the first folding mechanism extends, it drives the synchronous upward movement of each cross bar 2 connected thereto, and then drives the second folding mechanism to extend accordingly. This setting ensures the coordinated extension of the first folding mechanism and the second folding mechanism, realizes the adjustment of the height of the ladder body, and thus can avoid the need to use welding or cutting methods to adjust the height of the traditional construction ladder, thereby significantly improving the construction efficiency.

[0068] When it is necessary to transfer the ladder body to another steel structure building for operation, start the drive motor 6 to rotate in the reverse direction, drive the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly to rotate reversely. The external thread of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly generates relative movement with the internal thread of the nut sleeve ring 5 of the adjacent screw rod sleeve 3 above. The nut sleeve ring 5 spirally descends along the external thread of the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly, and the downward movement of the nut sleeve ring 5 drives the adjacent screw rod sleeve 3 above to move downward.

[0069] At the same time, since the stage nut sleeve rings 5 of each screw rod sleeve 3 are in a fitting state with the fixing ring 4 of the adjacent screw rod sleeve 3 below, when the screw rod sleeve 3 at the bottom of the screw rod sleeve assembly rotates reversely, all the upper-stage screw rod sleeves 3 will rotate reversely, driving the nut sleeve rings 5 of each stage of the screw rod sleeve 3 to spiral down, thereby realizing the rapid contraction of the screw rod sleeve assembly. As the screw rod sleeve assembly contracts, the first folding mechanism folds smoothly, and then drives the second folding mechanism to contract synergistically through the cross bar 2, thus ensuring the high efficiency and operation convenience during the conversion of the construction scenario.

[0070] The visual positioning clamping mechanism is located at the top of the ladder body and is used to clamp the I-beam at the top of the steel structure, so as to fixedly connect it with the steel structure building, thus avoiding the traditional welding fixing method, being able to realize rapid installation and disassembly, and thus improving the overall construction efficiency.

[0071] The drive motor 6 and the visual positioning clamping mechanism are respectively electrically connected to the microprocessor. The microprocessor is connected with a control panel. The microprocessor stores a preset upward control program and a downward control program. When the ladder body moves to the operation position outside the steel structure to be constructed, the operator selects and triggers the upward control program in the microprocessor through the control panel. After receiving the instruction to start the upward control program, the microprocessor immediately sends a command to the drive motor 6, and drives the telescopic mechanism to perform an upward movement through the drive motor 6, thereby driving the ladder body to perform an upward movement.

[0072] The visual positioning clamping mechanism can real-time acquire the current image information and transmit it to the microprocessor. The standard image of the I-beam at the top of the steel structure is stored inside the microprocessor, and the threshold of feature matching is set. When the microprocessor receives the real-time image, it will perform feature comparison with the standard image.

[0073] When the matching degree of the images reaches the preset threshold, it is determined that the top of the ladder has reached the top of the steel structure, and the height of the ladder is completely consistent with the height of the steel structure. Subsequently, the microprocessor commands the drive motor 6 to stop working, thereby ensuring that the ladder is in the correct position, and at the same time commands the visual positioning clamping mechanism to start clamping the I-beam on the top of the steel structure, thereby completing the stable connection between the ladder and the steel structure.

[0074] When the construction work of the pressed steel plate of the steel structure exterior wall is completed and the ladder body needs to be moved, the operator selects and triggers the descent control program in the microprocessor through the control panel. After receiving the instruction to start the descent control program, the microprocessor immediately commands the visual positioning clamping mechanism to release the I-beam on the top of the steel structure to release the ladder body from the steel structure. Then, the drive motor 6 is commanded to rotate in the opposite direction, thereby driving the telescopic mechanism to retract.

[0075] With the cooperation of the microprocessor, the drive motor 6 and the visual positioning clamping mechanism, the ladder can automatically adjust its height according to the height of the steel structure building, ensuring the efficiency and accuracy of the adjustment process. In addition, the I-beam on the top of the steel structure is clamped and released by the visual positioning clamping mechanism, thereby realizing the fixing and disassembly functions of the ladder and the steel structure, further optimizing the construction process and greatly improving the construction efficiency.

[0076] The first folding mechanism includes several levels of first sets of rods 8 corresponding one-to-one with the cross bar 2. The first sets of rods 8 are located at the end of the cross bar 2. The axis of the first sets of rods 8 is perpendicular to the axis of the cross bar 2. The first sets of rods 8 are hollow inside, and the longitudinal section of the first sets of rods 8 is an inverted trapezoid. The first sets of rods 8 at each level are slidably nested to form a retractable folding structure, and the screw sleeve assembly is located in the first set of rods 8 at the bottom of the first folding mechanism.

[0077] Secondly, the second folding mechanism includes several levels of second sets of rods 9 corresponding one-to-one to the cross bar 2. The second sets of rods 9 are located at the other end of the cross bar 2. The axis of the second sets of rods 9 is perpendicular to the axis of the cross bar 2. The second sets of rods 9 at each level are slidably nested to form a retractable folding structure. The top surfaces of the first sets of rods 8 and the second sets of rods 9 are fixedly connected to the visual positioning clamping mechanism, and the bottom surfaces of the first sets of rods 8 at the bottom of the first folding mechanism and the second sets of rods 9 at the bottom of the second folding mechanism are fixedly connected to the upper surface of the base 1.

[0078] In this embodiment, several levels of first rods 8 are nested and slidably connected to form a retractable folding structure. The first rods 8 are hollow inside and can slide between the first rods 8 at each level. When the screw rod sleeve rod assembly in the first rod 8 at the bottom layer is extended, the visual positioning clamping mechanism at the top of the ladder body can be pushed up, thereby driving the first rods 8 connected to the visual positioning clamping mechanism to rise.

[0079] The first set of rods 8 at the top continue to rise. Since the longitudinal section of each level of the first set of rods 8 is an inverted trapezoid with a wider top and a narrower bottom, when the bottom edge of the inner side wall of the first set of rods 8 at the top contacts the top edge of the outer side wall of the adjacent lower first set of rods 8, the contact surfaces of the two will completely fit together and enter a relatively stationary state. In this state, as the first set of rods 8 at the top continue to rise, the bottom edge of its inner side wall will apply an upward pulling force to the adjacent lower first set of rods 8 through the contact surface, thereby pulling the adjacent lower first set of rods 8 to move upward.

[0080] During the rising process, each level of the first set of rods 8 will successively pull the adjacent lower first set of rods 8 to move upward. At the same time, the rising of the first set of rods 8 will drive the cross bar 2 connected to it to rise. The rising of the cross bar 2 will drive the second set of rods 9 connected to the other end of the cross bar 2 to rise, so that the overall ladder can rise smoothly, thereby realizing the adjustment of the height of the ladder, avoiding the need to use welding or cutting methods to adjust the height of traditional construction ladders, and significantly improving the construction efficiency.

[0081] When the screw rod sleeve assembly in the first set of rods 8 at the bottom layer contracts, each level of the first set of rods 8 loses the internal support force and begins to descend under the action of gravity, and slides into the adjacent lower first set of rods 8, finally realizing the mutual nesting of all the first set of rods 8.

[0082] When the first set of rods 8 descends, it will drive the cross bar 2 to descend at the same time. The descending of the cross bar 2 will drive the second set of rods 9 connected to the other end of the cross bar 2 to descend, finally realizing the mutual nesting of all the second set of rods 9, so that the overall ladder returns to the contracted state, reducing the volume of the ladder, making it possible to directly carry it when transportation is needed, avoiding the situation that traditional construction ladders need to use hoisting equipment for transportation due to their large volume, thereby improving the transportation efficiency during the construction process and reducing the additional costs generated by using hoisting equipment.

[0083] See Figure 2 and Figure 3 As shown, the visual positioning clamping mechanism includes a strip-shaped clamping base 10. The tops of the first folding mechanism and the second folding mechanism are respectively fixedly connected to the bottom surface of the clamping base 10. A servo motor 11 and a camera 12 are provided on the upper surface of the clamping base 10. A threaded screw rod 13 parallel to the upper surface of the base 1 is provided on the output shaft of the servo motor 11. A first clamping assembly and a second clamping assembly that can move towards each other or away from each other are provided on the threaded screw rod 13. The camera 12 is higher than the clamping assembly. The servo motor 11 and the camera 12 are respectively electrically connected to the microprocessor.

[0084] In this embodiment, the camera 12 can acquire the current image information in real time and transmit it to the microprocessor. The standard image of the I-beam at the top of the steel structure is stored inside the microprocessor, and the threshold for feature matching is set. When the microprocessor receives the real-time image, it will perform feature comparison with the standard image, which is prior art and will not be elaborated here. When the matching degree of the image reaches the preset threshold, it is determined that the top of the ladder has reached the top of the steel structure, and at this time, the height of the ladder is exactly the same as the height of the steel structure.

[0085] Subsequently, the microprocessor commands the driving motor 6 to stop working, so as to ensure that the ladder is in the accurate position. At the same time, a clamping command is sent to the servo motor 11. After the servo motor 11 is started, its output shaft starts to rotate, and then drives the threaded screw rod 13 to rotate accordingly. The rotation of the threaded screw rod 13 drives the first clamping component and the second clamping component to move towards each other. Through the movement towards each other of the first clamping mechanism and the second clamping mechanism, the first clamping component and the second clamping component can firmly clamp the two sides of the I-beam at the top of the steel structure respectively, thus completing the stable connection between the ladder and the steel structure.

[0086] When the construction operation of pressing the steel plate on the outer wall of the steel structure is completed and the ladder needs to be transferred, the operator selects and triggers the descent control program in the microprocessor through the control panel. After the microprocessor receives the instruction to start the descent control program, it immediately sends a release command to the servo motor 11. After the servo motor 11 is started, its output shaft starts to rotate in the reverse direction, and then drives the threaded screw rod 13 to rotate in the reverse direction.

[0087] The reverse rotation of the threaded screw rod 13 drives the first clamping component and the second clamping component to move away from each other. Through the movement away from each other of the first clamping mechanism and the second clamping mechanism, the first clamping component and the second clamping component will respectively move away from the I-beam at the top of the steel structure, thus releasing the fixation between the ladder and the steel structure.

[0088] The first clamping component includes a first threaded nut 14. The first threaded nut 14 is sleeved on the threaded screw rod 13. A first slider 15 is provided at the bottom of the first threaded nut 14. A first clamping block 16 is provided on the outer side surface of the first threaded nut 14. A first clamping rod 17 parallel to the upper surface of the clamping base 10 is provided on the side surface of the first clamping block 16.

[0089] Secondly, the second clamping component includes a second threaded nut 18 sleeved on a threaded screw rod 13. The first threaded nut 14 and the second threaded nut 18 can move towards or away from each other along the threaded screw rod 13. A second sliding block 19 is provided at the bottom of the second threaded nut 18, and a second clamping block 20 is provided on the outer side surface of the second threaded nut 18. A second clamping rod 21 parallel to the upper surface of the clamping base 10 is provided on the side surface of the second clamping block 20. The first clamping rod 17 is arranged facing the second clamping rod 21. A slideway 22 is provided along the axial direction of the upper surface of the clamping base 10, and both the first sliding block 15 and the second sliding block 19 can slide along the slideway 22.

[0090] In this embodiment, the first threaded nut 14 and the second threaded nut 18 are sleeved on the threaded screw rod 13. When the threaded screw rod 13 rotates, due to the opposite helix directions of the first threaded nut 14 and the second threaded nut 18, the two will move synchronously towards or away from each other in a straight line on the threaded screw rod 13. The first clamping block 16 connects the first threaded nut 14 and the first clamping rod 17, transferring the linear motion of the first threaded nut 14 to the first clamping rod 17, causing the first clamping rod 17 to move along the side close to or away from the I-beam, thereby applying a clamping force or releasing the clamping.

[0091] Meanwhile, the second clamping block 20 connects the second threaded nut 18 and the second clamping rod 21, causing the second clamping rod 21 to move in a symmetric manner with respect to the first clamping rod 17, clamping or releasing the other side of the I-beam synchronously with the first clamping rod 17, thereby ensuring an even distribution of the clamping forces on both sides and achieving a stable and precise clamping effect.

[0092] A slideway 22 is provided along the axial direction of the upper surface of the clamping base 10, and both the first sliding block 15 and the second sliding block 19 can slide along the slideway 22, thereby restricting the movement trajectories of the sliding blocks, ensuring that the first clamping rod 17 and the second clamping rod 21 move smoothly when moving towards or away from each other, avoiding jamming or deviation, and thus significantly improving the accuracy and stability of the clamping action.

[0093] Several protrusions 23 are provided on the upper surface of the nut collar 5, and several grooves 24 corresponding to the protrusions 23 are provided on the lower surface of the fixed ring 4. The protrusions 23 can be embedded into the grooves 24 on the lower surface of the fixed ring 4 of the adjacent lower screw rod sleeve 3. In this embodiment, when the nut collar 5 rises to contact the fixed ring 4 of the adjacent lower screw rod sleeve 3, the upper surface of the nut collar 5 is closely attached to the lower surface of the fixed ring 4 of the adjacent lower screw rod sleeve 3. At this time, the protrusions 23 on the upper surface of the nut collar 5 are embedded into the grooves 24 on the lower surface of the fixed ring 4 of the adjacent lower screw rod sleeve 3, thereby ensuring the relative fixation of the positions of the nut collar 5 and the fixed ring 4 of the adjacent lower screw rod sleeve 3, effectively preventing the displacement or loosening of the nut collar 5, and at the same time significantly enhancing the stability of the overall structure and reducing the deviation caused by vibration or external force interference.

[0094] The output shaft of the drive motor 6 is connected to a drive lead screw 25. The nut collar 5 of the lead screw sleeve rod 3 at the bottom of the lead screw sleeve rod assembly is threadedly connected to the threaded lead screw 13. The upper surface of the nut collar 5 of the lead screw sleeve rod 3 at the bottom of the lead screw sleeve rod assembly is provided with several protrusions 23. A fixing block 29 is sleeved on the outer surface of the threaded lead screw 13 near the top edge. The lower surface of the fixing block 29 is provided with several fixing grooves 24 corresponding to the protrusions 23, and the protrusions 23 can be inserted into the fixing grooves 24.

[0095] In this embodiment, when the drive motor 6 is started, the output shaft of the drive motor 6 rotates, thereby driving the drive lead screw 25 to rotate accordingly. The rotation of the drive lead screw 25 drives the nut collar 5 of the lead screw sleeve rod 3 at the bottom of the lead screw sleeve rod assembly to move upward along the axis of the drive lead screw 25. When the nut collar 5 moves upward to contact the fixing block 29, the upper surface of the nut collar 5 is in close contact with the lower surface of the fixing block 29. At this time, the protrusions 23 on the upper surface of the nut collar 5 are inserted into the fixing grooves 24 on the lower surface of the fixing block 29, thereby ensuring that the positions of the nut collar 5 and the fixing block 29 are relatively fixed, effectively preventing the displacement or loosening of the nut collar 5, and at the same time significantly enhancing the stability of the overall structure and reducing the offset caused by vibration or external interference.

[0096] See Figure 4 As shown, the outer surface of the cross bar 2 is provided with a roller assembly, and the roller assembly can roll along the side wall of the steel structure. In this embodiment, during the ascending or descending process of the ladder body, the roller assembly can roll along the side wall of the steel structure, thereby preventing the cross bar 2 from shifting and twisting, and enhancing the stability of the ladder body during the ascending and descending process.

[0097] The roller assembly includes rollers 26. A rolling shaft 27 is coaxially inserted into the rollers 26. Vertical rods 28 are respectively provided at both ends of the rolling shaft 27, and both ends of the vertical rods 28 are fixedly connected to the cross bar 2. In this embodiment, the rolling shaft 27 is inserted into the rollers 26, and the rolling shaft 27 plays a supporting role for the rollers 26 to ensure that the rollers 26 can rotate stably and accurately. Vertical rods 28 are respectively provided at both ends of the rolling shaft 27, and both ends of the vertical rods 28 are fixedly connected to the cross bar 2, forming a stable frame structure, thereby ensuring that the rollers 26 can remain stable during rolling.

[0098] In this embodiment, the stretching or contraction of the screw rod sleeve rod assembly causes the first folding mechanism to stretch or contract, thereby realizing the stretching or contraction of the overall ladder body. When the ladder body is in the contracted state, the volume of the ladder body is significantly reduced. Compared with the prior art, the ladder body in this embodiment can be directly carried after contraction, avoiding the situation that traditional construction ladders need to use hoisting equipment for transportation due to their large volume, thereby improving the transportation efficiency and reducing the transportation cost; when the ladder body is in the stretched state, it can rise step by step through the step-by-step transmission of several screw rod sleeve rods 3, realizing the adjustment of the height of the ladder body, thus avoiding the need to use welding or cutting methods to adjust the height of traditional construction ladders, and significantly improving the construction efficiency. In addition, the visual positioning clamping mechanism can clamp the I-shaped steel beam at the top of the steel structure, thereby fixedly connecting it to the steel structure building, avoiding the use of traditional welding fixing methods, enabling rapid installation and disassembly, and improving the overall construction efficiency.

[0099] The above are only embodiments of the present invention, and common general technical solutions and / or characteristics in the solutions are not described in detail herein. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners in the specification can be used to interpret the content of the claims.

Claims

1. An automated lifting control ladder for pressed steel plates of a steel structure exterior wall, characterized in that, It includes a base, a microprocessor, and a ladder body with a folding function. The ladder body includes several parallel crossbars. Both ends of each crossbar are respectively provided with a first folding mechanism and a second folding mechanism that are internally hollow and foldable. The bottoms of the first folding mechanism and the second folding mechanism are both fixedly connected to the upper surface of the base. The top of the ladder body is provided with a visual positioning clamping mechanism that can collect images and clamp the I-beam at the top of the steel structure. The tops of the first folding mechanism and the second folding mechanism are both fixedly connected to the visual positioning clamping mechanism; The first folding mechanism is internally provided with a telescopic mechanism for driving its extension or contraction. The telescopic mechanism includes a screw rod sleeve rod assembly. The screw rod sleeve rod assembly includes several levels of screw rod sleeve rods that are coaxially nested and hollow. The outer surface of the screw rod sleeve rod is provided with external threads extending along its axis. A fixing ring is sleeved on the top of the outer surface of the screw rod sleeve rod. A nut sleeve ring is provided at the bottom of the inner surface of the screw rod sleeve rod. The inner side wall of the nut sleeve ring is provided with internal threads matching the external threads of the adjacent screw rod sleeve rod below, and the nut sleeve ring can move axially along the adjacent screw rod sleeve rod below. The screw rod sleeve rod at the top of the screw rod sleeve rod assembly passes through the first folding mechanism and is fixedly connected to the visual positioning clamping mechanism. The screw rod sleeve rod at the bottom of the screw rod sleeve rod assembly is connected to a driving motor for driving its rotation, and gradually pushes the screw rod sleeve rod to extend or contract. A placement groove is opened on the upper surface of the base, and the driving motor is located in the placement groove. The driving motor and the visual positioning clamping mechanism are respectively electrically connected to the microprocessor.

2. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 1, wherein: The first folding mechanism includes several levels of first sleeve rods corresponding one by one to the crossbars. The first sleeve rods are located at the ends of the crossbars. The axis of the first sleeve rod is perpendicular to the axis of the crossbar. The inside of the first sleeve rod is hollow, and the longitudinal section of the first sleeve rod is trapezoidal in reverse. Each level of first sleeve rods form a telescopic folding structure through sliding nesting. The screw rod sleeve rod assembly is located in the first sleeve rod at the bottom of the first folding mechanism. The second folding mechanism includes several levels of second sleeve rods corresponding one by one to the crossbars. The second sleeve rods are located at the other ends of the crossbars. The axis of the second sleeve rod is perpendicular to the axis of the crossbar. Each level of second sleeve rods form a telescopic folding structure through sliding nesting. The top surfaces of the top first sleeve rod and the top second sleeve rod are both fixedly connected to the visual positioning clamping mechanism. The bottom surfaces of the first sleeve rod at the bottom of the first folding mechanism and the second sleeve rod at the bottom of the second folding mechanism are both fixedly connected to the upper surface of the base.

3. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 1, characterized in that: The visual positioning clamping mechanism includes a strip-shaped clamping base. The tops of the first folding mechanism and the second folding mechanism are respectively fixedly connected to the bottom surface of the clamping base. A servo motor and a camera are provided on the upper surface of the clamping base. The output shaft of the servo motor is provided with a threaded screw rod parallel to the upper surface of the base. The threaded screw rod is provided with a first clamping component and a second clamping component that can move towards each other or away from each other. The camera is higher than the clamping components. The servo motor and the camera are respectively electrically connected to the microprocessor.

4. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 3, characterized in that: The first clamping component includes a first threaded nut, the first threaded nut is sleeved on a threaded screw rod, a first slider is provided at the bottom of the first threaded nut, a first clamping block is provided on the outer side surface of the first threaded nut, and a first clamping rod parallel to the upper surface of the clamping base is provided on the side surface of the first clamping block; The second clamping component includes a second threaded nut, the second threaded nut is sleeved on the threaded screw rod, the first threaded nut and the second threaded nut can move towards or away from each other along the threaded screw rod, a second slider is provided at the bottom of the second threaded nut, a second clamping block is provided on the outer side surface of the second threaded nut, and a second clamping rod parallel to the upper surface of the clamping base is provided on the side surface of the second clamping block. The first clamping rod and the second clamping rod are arranged facing each other. A slideway is provided on the upper surface of the clamping base along its axial direction, and both the first slider and the second slider can slide along the slideway.

5. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 1, wherein: Several protrusions are provided on the upper surface of the nut collar, several grooves corresponding to the protrusions are provided on the lower surface of the fixed ring, and the protrusions can be embedded into the grooves on the lower surface of the fixed ring of the adjacent screw rod sleeve below.

6. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 1, characterized in that: The output shaft of the driving motor is connected with a driving screw rod. The nut collar of the screw rod sleeve at the bottom of the screw rod sleeve assembly is in threaded connection with the threaded screw rod. Several protrusions are provided on the upper surface of the nut collar of the screw rod sleeve at the bottom of the screw rod sleeve assembly. A fixing block is sleeved on the outer surface of the threaded screw rod near the top edge, and several fixing grooves corresponding to the protrusions are provided on the lower surface of the fixing block, and the protrusions can be embedded into the fixing grooves.

7. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 1, characterized in that: A roller assembly is provided on the outer surface of the cross bar, and the roller assembly can roll along the side wall of the steel structure.

8. The automated lifting control ladder for the pressed steel plate of the steel structure exterior wall according to claim 7, characterized in that: The roller assembly includes a roller, a rolling shaft is coaxially arranged inside the roller, vertical rods are respectively provided at both ends of the rolling shaft, and both ends of the vertical rods are fixedly connected with the cross bar.

Images