Driving type automatic lifting mechanism of climbing frame

Abstract

The utility model discloses a kind of drive type climbing frame automatic lifting mechanism, including frame structure and two guide structures, the frame structure slidingly connected in two guide structures, two the guide structure is provided with relay type segmented drive module, the relay type segmented drive module includes several respectively corresponding hydraulic lifting mechanism arranged on two guide structures, several the hydraulic lifting mechanism is distributed on corresponding guide structure along its extension direction, connection portion that can be connected with each hydraulic lifting mechanism is equipped on the frame structure, by the sliding connection of frame structure and guide structure, and the alternate relay of multiple groups of hydraulic lifting mechanism and frame connection portion distributed along guide structure, both avoid the problem that traditional meshing transmission is easy to jam failure in harsh environment, guarantee safety and stability, avoid the stroke limit of single hydraulic device, meet the long distance lifting demand of super high-rise building, improve overall efficiency and applicability.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and more specifically, to a drive-type climbing scaffold automatic lifting mechanism. Background Technology

[0002] In the construction industry, the lifting drive of climbing scaffolds usually relies on traditional transmission structures such as threaded meshing and gear meshing. Although these structures can transmit power, in the harsh environment of construction sites with lots of dust and gravel, the precision meshing surfaces are easily invaded by foreign objects, leading to jamming and accelerated wear. This not only reduces transmission efficiency but may also cause safety hazards due to connection failure. On the other hand, the drive method using a single hydraulic telescopic device can avoid the pollution problem of meshing structures, but it is limited by the stroke of a single cylinder and cannot meet the long-distance lifting needs of super high-rise buildings.

[0003] How to invent a driven automatic lifting mechanism for climbing scaffolds to improve these problems has become an urgent issue for those skilled in the art. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a drive-type climbing formwork automatic lifting mechanism, which aims to improve the problems of traditional threaded meshing, gear meshing and other transmission structures being prone to jamming and wear due to foreign object intrusion in harsh construction site environments, as well as the difficulty of a single hydraulic telescopic device to meet the long-distance lifting needs of super high-rise buildings due to stroke limitations.

[0005] This utility model is implemented as follows: a drive-type climbing scaffold automatic lifting mechanism includes a frame structure and two guide structures. The frame structure is slidably connected to the two guide structures. A relay-type segmented drive module is provided on the two guide structures. The relay-type segmented drive module includes a plurality of hydraulic lifting mechanisms respectively corresponding to the two guide structures. The plurality of hydraulic lifting mechanisms are distributed along the extension direction of the corresponding guide structures. The frame structure is provided with a connecting part that can be connected to each hydraulic lifting mechanism.

[0006] In a preferred embodiment of this utility model, the frame structure includes a bearing plate, a guardrail is provided around the top surface of the bearing plate, and a connecting support frame is provided at both ends of the bottom surface of the bearing plate. Each connecting support frame extends from the bottom of the bearing plate toward the side of the corresponding guide structure and is provided with a guide wheel assembly corresponding to the guide structure. The guide wheel assembly is connected to the corresponding guide structure.

[0007] In a preferred embodiment of this utility model, the two guide structures are vertically parallel to each other. Each guide structure includes two integrally formed parts: a guide rail part and a connecting part. The guide rail part has an I-shaped cross-section structure corresponding to the guide rail wheel assembly. The connecting part is integrally formed on one side surface of the guide rail part and has several connecting holes for installing a hydraulic lifting mechanism and connecting to the building facade.

[0008] In a preferred embodiment of this utility model, several hydraulic lifting mechanisms are respectively installed on the opposite side surfaces of two connecting parts. The hydraulic lifting mechanisms at the same height on both sides form a group, and the two adjacent hydraulic lifting mechanisms on each connecting part are staggered.

[0009] In a preferred embodiment of this utility model, two parallel reinforcing beams are integrally formed on the bottom surface of the bearing plate, and the connecting part includes two connecting rods. Each connecting rod is fixedly connected to one end surface of the corresponding reinforcing beam, and the other end of each connecting rod extends horizontally between the two guide structures.

[0010] In a preferred embodiment of this utility model, each of the hydraulic lifting mechanisms includes a U-shaped mounting frame. One end of a rotating shaft is rotatably mounted between the inner walls of both sides of the U-shaped mounting frame. A hydraulic cylinder is fixedly mounted between the other ends of the two rotating shafts. One end of the piston rod of the hydraulic cylinder is provided with a hook-shaped connecting structure, which corresponds to the connecting part structure. An angle adjustment motor is also fixedly mounted on one side surface of the U-shaped mounting frame. The output shaft of the angle adjustment motor is fixedly connected to the end of the rotating shaft on the corresponding side through a through hole.

[0011] In a preferred embodiment of this utility model, the upper and lower surfaces of the U-shaped mounting bracket are integrally provided with a plurality of mounting ear plates, and each mounting ear plate is provided with a mounting hole.

[0012] The beneficial effects of this utility model are as follows: The automatic lifting mechanism of the climbing scaffold obtained by the above design can avoid the problem of easy jamming and failure of traditional meshing transmission in harsh environments by using the sliding connection between the frame structure and the guide structure, as well as the alternating relay of multiple sets of hydraulic lifting mechanisms distributed along the guide structure and the frame connection part. This ensures safety and stability, avoids the stroke limitation of a single hydraulic device, meets the long-distance lifting needs of super high-rise buildings, and improves the overall efficiency and applicability. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic perspective view of the overall structure provided by the embodiment of this utility model; Figure 2 A perspective view of the overall structure on another side, provided for an embodiment of this utility model; Figure 3 A three-dimensional schematic diagram of the overall structure of the frame provided for an embodiment of this utility model; Figure 4 A perspective view of the overall structure of the guide structure provided for an embodiment of this utility model; Figure 5 A three-dimensional schematic diagram of the overall structure of the hydraulic lifting mechanism provided for an embodiment of this utility model.

[0015] In the diagram: 1-Frame structure; 2-Guide structure; 3-Hydraulic lifting mechanism; 101-Bearing plate; 102-Guardrail; 103-Connecting support frame; 104-Guide wheel assembly; 105-Reinforcing beam; 106-Connecting rod; 201-Guide rail section; 202-Connecting section; 301-U-shaped mounting frame; 302-Rotating shaft; 303-Hydraulic cylinder; 304-Hook-shaped connecting structure; 305-Angle adjustment motor; 306-Assembly ear plate. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] Please see Figures 1 to 5This utility model provides a technical solution: a drive-type climbing scaffold automatic lifting mechanism, including a frame structure 1 and two guide structures 2. The frame structure 1 is slidably connected to the two guide structures 2. The two guide structures 2 are provided with a relay-type segmented drive module. The relay-type segmented drive module includes a plurality of hydraulic lifting mechanisms 3 respectively corresponding to the two guide structures 2. The plurality of hydraulic lifting mechanisms 3 are distributed along the extension direction of the corresponding guide structures 2. The frame structure 1 is provided with a connecting part that can be connected to each hydraulic lifting mechanism 3.

[0018] Please see Figures 2 to 4 The frame structure 1 includes a support plate 101. A guardrail 102 is provided around the top surface of the support plate 101. A connecting support frame 103 is provided at both ends of the bottom surface of the support plate 101. Each connecting support frame 103 extends from the bottom of the support plate 101 towards the side of the corresponding guide structure 2 and is provided with a guide wheel assembly 104 corresponding to the guide structure 2. The guide wheel assembly 104 is connected to the corresponding guide structure 2.

[0019] The load-bearing plate 101 is welded from low-alloy high-strength steel, and its surface can be covered with anti-slip patterned plates to prevent construction workers from slipping. The guardrail 102 is welded from seamless steel pipes, and a kick plate is added to the bottom to prevent materials from falling. The connection between the connecting support frame 103 and the load-bearing plate 101 is fixed by a combination of bolts and welding to enhance the overall rigidity. The frame of the guide wheel assembly 104 is made of cast steel, and the guide wheels are made of high-strength nylon, which combines wear resistance and shock absorption. A polyurethane sealing ring can be embedded in the groove where the guide wheel and the guide rail part 201 meet to reduce dust intrusion.

[0020] Furthermore, the two guide structures 2 are vertically parallel and each guide structure 2 includes two integrally formed parts: a guide rail part 201 and a connecting part 202. The guide rail part 201 has an I-shaped cross-section structure corresponding to the guide wheel assembly 104. The connecting part 202 is integrally set on one side surface of the guide rail part 201 and has several connecting holes for installing the hydraulic lifting mechanism 3 and connecting to the building facade.

[0021] The guide rail section 201 adopts an I-beam structure, and the inner walls of its side grooves can be chrome-plated to improve surface hardness and wear resistance. The connecting section 202 is integrally welded to the guide rail section 201 to ensure connection strength. The connecting holes of the connecting section 202 can be designed as oblong holes to facilitate fine-tuning of the position during installation. The entire guide structure 2 can be hot-dip galvanized to improve corrosion resistance. When connecting to the building facade, an elastic buffer pad can be added between the connecting section 202 and the wall to reduce the impact of vibration transmission during the climbing formwork's lifting and lowering on the building structure.

[0022] Furthermore, several hydraulic lifting mechanisms 3 are respectively installed on the opposite side surface of the two connecting parts 202. The hydraulic lifting mechanisms 3 at the same height on both sides are a group, and the two adjacent hydraulic lifting mechanisms 3 on each connecting part 202 are staggered.

[0023] When the hydraulic lifting mechanism 3 is installed at the connecting part 202, it follows the principle of symmetry between the mechanisms on both sides at the same height and vertical staggering between adjacent groups. The center lines of the mechanisms on both sides at the same height must be symmetrical with the central axis of the frame structure 1 to ensure balanced force on the frame. The vertical distance between two adjacent groups of mechanisms must be less than the maximum extension stroke of the hydraulic cylinder 303 to ensure that during frame movement, before the current group's hydraulic cylinder reaches its stroke limit, the next group can contact the connecting rod 106 in advance, achieving a relay state where the previous group has not disengaged and the subsequent group has already connected. To further avoid interference, limit baffles can be set at the edge of the movement path of each group of hydraulic lifting mechanisms 3 to limit the swing range of the mechanism; at the same time, reinforcing ribs are added below the corresponding mechanism installation position at the connecting part 202 to enhance local load-bearing capacity and prevent deformation of the connecting part due to long-term stress. In actual operation, the control system presets the action priority of each group of mechanisms, with the upper mechanism preparing first when rising and the lower mechanism responding first when descending to avoid logical conflicts.

[0024] Furthermore, the bottom surface of the bearing plate 101 is integrally formed with two parallel reinforcing beams 105, and the connection part includes two connecting rods 106. Each connecting rod 106 is fixedly connected to one end surface of the corresponding reinforcing beam 105, and the other end of each connecting rod 106 extends horizontally between the two guide structures 2.

[0025] The connection between the connecting rod 106 and the reinforcing beam 105 is welded to ensure structural strength at the connection point. To prevent the hook-shaped connecting structure 304 from accidentally detaching, an annular baffle is added to the end of the connecting rod 106, with a baffle diameter larger than the opening width of the hook-shaped structure. The surface of the connecting rod 106 can be coated with a wear-resistant coating to reduce wear when in contact with the hook-shaped structure. In addition, a diagonal support can be added between the reinforcing beam 105 and the bearing plate 101 to further distribute the load and improve the torsional resistance of the frame.

[0026] Please see Figure 5 Each hydraulic lifting mechanism 3 includes a U-shaped mounting frame 301. One end of a rotating shaft 302 is rotatably mounted between the inner walls of both sides of the U-shaped mounting frame 301. A hydraulic cylinder 303 is fixedly mounted between the other ends of the two rotating shafts 302. A hook-shaped connecting structure 304 is provided at one end of the piston rod of the hydraulic cylinder 303. The structure of the hook-shaped connecting structure 304 corresponds to the structure of the connecting part. An angle adjustment motor 305 is also fixedly mounted on one side surface of the U-shaped mounting frame 301. The output shaft of the angle adjustment motor 305 is fixedly connected to the end of the corresponding rotating shaft 302 through a through hole.

[0027] The U-shaped mounting bracket 301 is made of cast steel and integrally cast to avoid deformation caused by welding stress. The rotating shaft 302 is made of alloy structural steel to improve wear resistance and fatigue strength. A self-lubricating bearing is installed at the mating point with the U-shaped mounting bracket 301 to reduce rotational friction. The piston rod surface of the hydraulic cylinder 303 can be chrome-plated to improve corrosion resistance and wear resistance. The hook-shaped connecting structure 304 is made of forged steel, and its hook contact surface is machined into an arc shape to reduce point contact stress with the connecting rod 106. Wear-resistant alloy blocks can be embedded inside the hook-shaped structure to extend its service life. The angle adjustment motor 305 can be equipped with an electromagnetic brake to maintain the current angle in the event of power failure or abnormality, preventing accidental swinging of the hook-shaped structure. A displacement sensor can be added to the hydraulic cylinder 303 to provide real-time feedback on the piston rod extension and retraction, assisting the control system in accurately controlling the lifting stroke.

[0028] Furthermore, the upper and lower surfaces of the U-shaped mounting bracket 301 are integrally provided with several mounting ear plates 306, and each mounting ear plate 306 is provided with mounting holes.

[0029] The mounting ear plate 306 and the U-shaped mounting bracket 301 are integrally forged to avoid strength reduction caused by welding. A step can be provided inside the mounting hole to accommodate a disc spring, providing continuous preload after bolt tightening and compensating for loosening caused by vibration or temperature changes. The ear plate surface can be phosphated to increase friction with the connecting part 202 and prevent relative slippage after installation. To facilitate hoisting and positioning, positioning pin holes can be added to the mounting ear plate 306, which, in conjunction with the positioning pins on the connecting part 202, enable rapid alignment and installation of the hydraulic mechanism.

[0030] Working principle: In the initial state, the frame structure 1 is rolledly connected to the guide rails 201 of the guide structures 2 on both sides through the guide wheel assembly 104, forming a stable sliding pair; several sets of hydraulic lifting mechanisms 3 are staggered and layered along the connecting parts 202 of the guide structures 2, and the mechanisms on both sides at the same height are symmetrical to ensure that the frame is subjected to balanced forces. During the lifting operation, taking the upward process as an example, firstly, the piston rod of the hydraulic cylinder 303 of the initial working set of hydraulic lifting mechanisms 3 (such as the bottom set) retracts, and pulls the connecting rod 106 of the frame structure 1 through the hook-shaped connecting structure 304, driving the frame to rise along the guide structure 2; as the frame moves upward, when the height of the frame makes the connecting rod 106 enter the effective connection range of the next set of hydraulic lifting mechanisms 3, the angle adjustment motor 305 of the next set starts, adjusts the angle of the hook-shaped connecting structure 304 to the appropriate posture, and the piston rod of the hydraulic cylinder 303 extends synchronously, allowing the hook-shaped structure to enter the inner area of ​​the connecting rod 106. The process involves several stages. When the frame continues to rise until the current hydraulic cylinder group approaches its stroke limit, the current group of hydraulic cylinders pauses, keeping the frame briefly still. The next standby hydraulic cylinder quickly retracts its piston rod, and the hook-shaped connecting structure 304 moves from the inside towards the connecting rod 106 and completes the hooking. Once both sides of the next set of hydraulic cylinders have firmly hooked onto the connecting rod 106, the piston rod of the current hydraulic cylinder extends, the hook-shaped structure disengages from the connecting rod 106, and the angle adjustment motor 305 drives the hydraulic cylinder to rotate and reset, preparing for the next relay. This process repeats continuously, with multiple sets of hydraulic lifting mechanisms 3 sequentially connecting and alternately pulling to achieve continuous upward movement of the frame. The descent process is the reverse: the lower set of hydraulic cylinders first extends its piston rod to push the frame, and the upper set of hydraulic cylinders gradually disengages and resets in sequence, using gravity and the thrust of the hydraulic cylinders to complete the descent of the frame. Throughout the process, the guide wheel assembly 104 ensures the stability of the frame's lifting trajectory. The coordination between the angle adjustment motor 305 and the hydraulic cylinder 303 solves the problem of angle adaptation and timing connection of multiple mechanisms relaying. Through the logic of advance preparation, synchronous connection, and orderly alternation, the climbing frame breaks through the stroke limit of a single hydraulic cylinder and achieves continuous and stable automatic lifting operations.

[0031] It should be noted that the specific models and specifications of the hydraulic cylinder 303 and the angle adjustment motor 305 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0032] The power supply and operating principle of the hydraulic cylinder 303 and the angle adjustment motor 305 are clear to those skilled in the art and will not be described in detail here.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A drive-type automatic lifting mechanism for climbing scaffolds, characterized in that, The device includes a frame structure and two guide structures. The frame structure is slidably connected to the two guide structures. Each guide structure is equipped with a relay-type segmented drive module. Each relay-type segmented drive module includes several hydraulic lifting mechanisms respectively corresponding to the two guide structures. The several hydraulic lifting mechanisms are distributed along the extension direction of the corresponding guide structures. The frame structure is provided with a connecting part that can be connected to each hydraulic lifting mechanism.

2. The automatic lifting mechanism for the driven climbing scaffold as described in claim 1, characterized in that: The frame structure includes a support plate, with a guardrail around the top surface of the support plate and connecting support frames at both ends of the bottom surface of the support plate. Each connecting support frame extends from the bottom of the support plate toward the side of the corresponding guide structure and is provided with a guide wheel assembly corresponding to the guide structure. The guide wheel assembly is connected to the corresponding guide structure.

3. The automatic lifting mechanism for the driven climbing scaffold as described in claim 1, characterized in that: The two guide structures are vertically parallel and each guide structure includes two integrally formed parts: a guide rail part and a connecting part. The guide rail part has an I-shaped cross-section structure corresponding to the guide rail wheel assembly. The connecting part is integrally set on one side surface of the guide rail part and has several connecting holes for installing the hydraulic lifting mechanism and connecting to the building facade.

4. The automatic lifting mechanism for the driven climbing scaffold as described in claim 3, characterized in that: Several hydraulic lifting mechanisms are respectively installed on the opposite side surface of two connecting parts. Hydraulic lifting mechanisms at the same height on both sides are grouped together, and two adjacent hydraulic lifting mechanisms on each connecting part are staggered.

5. The automatic lifting mechanism for the driven climbing scaffold as described in claim 2, characterized in that: The bottom surface of the bearing plate is also integrally formed with two parallel reinforcing beams. The connecting part includes two connecting rods. Each connecting rod is fixedly connected to one end surface of the corresponding reinforcing beam, and the other end of each connecting rod extends horizontally between the two guide structures.

6. The automatic lifting mechanism for the driven climbing scaffold as described in claim 1, characterized in that: Each of the hydraulic lifting mechanisms includes a U-shaped mounting frame. One end of a rotating shaft is rotatably mounted between the inner walls of both sides of the U-shaped mounting frame. A hydraulic cylinder is fixedly mounted between the other ends of the two rotating shafts. One end of the piston rod of the hydraulic cylinder is provided with a hook-shaped connecting structure, which corresponds to the connecting part structure. An angle adjustment motor is also fixedly mounted on one side surface of the U-shaped mounting frame. The output shaft of the angle adjustment motor is fixedly connected to the end of the rotating shaft on the corresponding side through a through hole.

7. The automatic lifting mechanism for the driven climbing scaffold as described in claim 6, characterized in that: The upper and lower surfaces of the U-shaped mounting bracket are integrally provided with several mounting ear plates, and each mounting ear plate is provided with a mounting hole.

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