Large-bearing-capacity lifting device and mounting and using method

Abstract

The invention particularly relates to a large-bearing-capacity lifting device and a mounting and using method, belongs to the field of building construction, can be used for vertical transportation of a full-load freight truck, and is characterized by comprising a frame system, a material platform system, a power system, a guide system and a control system, the power system is controlled by the control system, so that the material platform system is lifted or descended to a specified structural floor along the frame system under the constraint of the guide system, horizontal and vertical combined transportation of materials is realized, and the material transportation process on a construction site is greatly simplified; the safety risk in the material transferring process is reduced, the vertical and horizontal conveying efficiency of the materials on the construction site is improved, the overall construction period of an engineering project is shortened, and the construction cost is reduced. Meanwhile, the invention further provides an installation and use method of the large-bearing-capacity lifting device, according to the method, the structural characteristics of the large-bearing-capacity lifting device are fully utilized, the transfer process of materials on a construction site is simplified, the safety risk in the transfer process is reduced, the material transfer efficiency is improved, and the construction cost is reduced. And the requirements of low risk, high efficiency and low cost of modern building construction are met.

Description

Technical Field

[0001] This invention relates to the field of building construction, and in particular to a high-load-bearing lifting device and its installation and usage method. Background Technology

[0002] With the development of human society, people have built more and more large-scale public facilities such as airports and train stations. The construction of these large-scale public facilities requires a large amount of manpower and materials. How to transport the required materials to the designated location in a timely manner is directly related to the construction efficiency of the entire project. As the project progresses, the building structure continues to grow upwards. How to safely and timely transport large amounts of materials from the ground to the designated structural floors is also one of the key considerations for construction personnel. In summary, the vertical and horizontal transportation of materials on the construction site is a significant challenge.

[0003] Currently, the traditional approach is to use a combination of vertical transport by tower cranes and horizontal transport by trolleys. First, cargo trucks transport materials from the warehouse to the construction site. On-site, truck cranes or tower cranes lift the materials from the cargo trucks to a transfer point. Then, construction workers use trolleys to transport the materials in batches to the required locations or floors. Due to limitations in the utilization rate of tower cranes and the amount of materials that can be transported by trolleys each time, the traditional method is not only inefficient but also poses certain safety hazards. It does not meet the requirements of modern construction for low risk, high efficiency, and low cost. Therefore, it is urgent to develop a high-load-bearing lifting device for use on construction sites to efficiently transport materials vertically and horizontally. Summary of the Invention

[0004] The purpose of this invention is to provide a high-capacity lifting device to solve the problems of low transportation efficiency and safety risks associated with the segmented vertical and horizontal transportation of materials at construction sites during the construction of large public facilities. This invention uses a power system to lift or lower a fully loaded freight truck material platform system, under the constraint of a guiding system, along a frame system to a designated structural floor. This achieves combined horizontal and vertical transportation of materials, avoiding the need for unloading and transferring materials from freight trucks using tower cranes or truck cranes. This greatly simplifies the material transfer process, reduces safety risks, improves the efficiency of vertical and horizontal material transportation at the construction site, shortens the overall project duration, and reduces construction costs. Furthermore, this invention provides a method for installing and using the high-capacity lifting device. This method fully utilizes the structural features of the high-capacity lifting device provided by this invention, enabling the material platform system to safely lift or lower the truck and its cargo together to a designated structural floor even when a fully loaded freight truck is parked. This simplifies the material transfer process at the construction site, reduces safety risks during transfer, and improves material transfer efficiency, better meeting the requirements of low-risk, high-efficiency, and low-cost modern construction.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0006] A high-capacity lifting device for vertical transportation of fully loaded freight trucks is characterized by comprising a frame system, a material platform system, a power system, a guiding system, and a control system. The power system includes a hoisting module and a lifting module. The hoisting module is mounted on the frame system, and the lifting module connects the frame system and the material platform system. The control system is mounted on the frame system and electrically connected to the hoisting module. The guiding system is mounted on the material platform system, is engaged with the frame system, and can move vertically within the frame system. The control system controls the hoisting module to move, thereby driving the material platform system vertically via the lifting module.

[0007] Optionally, the frame system includes two rows of parallel column frames, several wall-mounting mechanisms, a top platform, and several upper buffers. The column frames are fixedly installed on the foundation, the top platform is fixedly installed on the top of the column frames, the upper buffers are installed on the bottom surface of the top platform, one end of each wall-mounting mechanism is fixedly connected to the column frames, and the other end of each wall-mounting mechanism is fixedly connected to the structural floor slab.

[0008] Optionally, the hoisting module includes four winches, which are respectively arranged at the four corners of the top platform. The lifting module includes four pulley groups, which correspond one-to-one with the winches. The pulley groups are staggered with the winches. Each pulley group includes a fixed pulley a, a fixed pulley b, and a fixed pulley c. Fixed pulley a and fixed pulley b are respectively fixed to the top and bottom surfaces of the top platform, and fixed pulley c is fixed to the material platform system. The winches connect fixed pulley a, fixed pulley c, and fixed pulley b in series via steel wire ropes. One end of the steel wire rope is fixed to the corresponding winch, and the other end of the steel wire rope is fixed to the material platform system.

[0009] Optionally, the wall-mounting mechanism includes a connecting frame, an adjustable bracket, a wall-mounting support, and a wall-embedded component. The connecting frame is fixedly connected to the corresponding column, and the wall-mounting support is bolted to the wall-embedded component. The adjustable bracket includes a threaded sleeve and two screws. The two ends of the threaded sleeve are respectively threaded to one end of the two screws, and the other ends of the two screws are respectively fixedly connected to the wall-mounting support and the connecting frame.

[0010] Optionally, the column frame includes several columns, several scissor supports, several transverse auxiliary connecting beams, and several lower buffers, a base and a transition pallet frame corresponding to each column. The columns are vertically fixed to the foundation via the bases. Each column is composed of several standard column sections connected end to end. Each standard column section is a steel frame welded together from four vertical steel pipes and several shaped steel sections. The lower end of the transition pallet frame is fixedly connected to the top of the corresponding column, and the upper end of the transition pallet frame is fixedly connected to the top platform. The guide system is snapped onto the corresponding column and can move up and down along the column. The scissor supports are arranged between adjacent columns. The transverse auxiliary connecting beams are spaced apart on the outside of the columns in the vertical direction and fixedly connected to the columns. The lower buffers are fixedly installed on the bases.

[0011] Optionally, the guiding system includes a rectangular mounting frame, two triangular reinforcing plates, two horizontal wheel mounting frames, two vertical wheel mounting frames, two horizontal guide wheel assemblies, and two vertical guide wheels. The two horizontal wheel mounting frames are symmetrically welded face-to-face to both ends of the upper side of the rectangular mounting frame. The horizontal wheel assemblies are respectively mounted on the horizontal wheel mounting frames. The vertical wheel mounting frames are respectively vertically welded to the upper surface of the corresponding horizontal wheel mounting frames. The vertical guide wheels are mounted on the corresponding vertical wheel mounting frames. The horizontal wheel assemblies and the vertical wheels form a space that allows one of the vertical steel pipes in the standard column section to pass through. The two right-angled sides of the triangular reinforcing plates are respectively welded to the rectangular mounting frame and the horizontal wheel mounting frames. The rectangular mounting frame is bolted to the side of the material platform system.

[0012] Optionally, the material platform system includes a material platform, a flip door, and a tilting mechanism. One side of the flip door is mounted on one side of the material platform via a pin. The length of the flip door is greater than the distance between the material platform and the structural floor slab. The tilting mechanism is mounted on the material platform and can drive the flip door to rotate around the pin.

[0013] Optionally, the control system includes several position sensors, several pin-type sensors, several braking devices, several tilt sensors, a video monitoring system, a vehicle recognition system, and a gate and lifting system linkage control.

[0014] The position sensor is installed at least at a location capable of detecting the highest and lowest positions of the material platform and the stopping position at each level.

[0015] The pin-type sensor is installed on the material platform and can detect the overall weight of the material platform; the tilt sensor is installed on the material platform and is used to measure the levelness of the material platform; the braking device is installed on the corresponding winch and controls the operation of the winch.

[0016] The video surveillance system is used to monitor the material platform system and the structural floors, especially the situation where the freight trucks are parked on the material platform system and the situation where the material platform system is parked on the designated structural floors.

[0017] The vehicle identification system automatically identifies the vehicles entering or leaving the material platform system and the actual arrival time of the material platform at each level.

[0018] The linkage control between the gate and the lifting system can realize the state interlock between the power system and the tilting mechanism.

[0019] The present invention also provides a method for installing and using a high-load-bearing lifting device, comprising the following steps:

[0020] Step 1: Provide the above-mentioned high load-bearing capacity lifting device. First, install the column frame on the treated foundation. Then, slowly slide the guide system down from the top of the column. Then, assemble the material platform system and fix the guide system to the material platform system.

[0021] Step 2: Install the power system, the top platform, and the control system;

[0022] Step 3: The cargo truck travels along the transport channel to the high-capacity lifting device, and operates the control system to park the material platform on the designated floor;

[0023] Step 4: Operate the tilting mechanism to lower the flip door and place it against the designated structural floor. Drive the cargo truck into the material platform. After the driver gets out of the vehicle and walks out of the material platform, operate the tilting mechanism to retract the flip door. Control the power system through the control system to raise or lower the material platform system to the next structural floor that the cargo truck needs to reach.

[0024] Step 5: Operate the tilting mechanism to lower the flip door and place it against the next structural floor. The driver drives the cargo truck off the material platform and operates the tilting mechanism to retract the flip door.

[0025] Step 6: Repeat steps 3 through 5.

[0026] Compared with existing technologies, the installation and use method of a high-load-bearing lifting device provided by the present invention has the following beneficial technical effects:

[0027] This invention effectively improves material transportation efficiency. On the one hand, by utilizing a high-lifting power system and a material platform system with a large load-bearing capacity, it can meet the vertical transportation needs of fully loaded freight trucks. The freight trucks can directly transport materials to designated construction positions on specific structural floors, avoiding the need for material transfer between freight trucks, tower cranes or truck cranes, intermediate storage yards, and trolleys, thus reducing multiple loading and unloading operations. On the other hand, compared to the vertical lifting capacity of tower cranes or truck cranes and the horizontal transportation capacity of trolleys, freight trucks have significantly greater loading capacity and transportation speed. For the same volume of material, the high-load-bearing lifting device provided by this invention can greatly reduce the number of times materials are lifted and transported, thereby reducing the vertical and horizontal transportation time of materials at the construction site.

[0028] To improve safety, on the one hand, fully loaded freight trucks are used directly for vertical transportation of materials at the construction site, while horizontal transportation still relies on the trucks themselves. This avoids multiple transfers of materials and potential safety hazards during loading, unloading, and transfer, thus reducing safety risks in both vertical and horizontal material transportation at the construction site. On the other hand, the control system uses position sensors, tilt sensors, video monitoring systems, and gate and lifting system linkage control to monitor the lifting or lowering process of the high-capacity lifting device in real time, ensuring that the entire process remains within safety thresholds and preventing accidents such as falls from heights and mechanical impacts.

[0029] This effectively reduces the labor intensity of workers. On the construction site, freight trucks loaded with materials can be directly lifted or lowered to the designated structural floors, and the materials can be directly transported to the construction site using freight trucks. This eliminates the need for loading and unloading materials from freight trucks on the construction site and for using trolleys to transport materials horizontally to the construction site, simplifying the vertical and horizontal transportation process of materials and greatly reducing the labor intensity of workers. Attached Figure Description

[0030] Figure 1 This is a front view of a high-capacity lifting device according to an embodiment of the present invention.

[0031] Figure 2 This is a side view of a high-capacity lifting device according to an embodiment of the present invention.

[0032] Figure 3 A cross-sectional view (guiding system) of an embodiment of the present invention.

[0033] Figure 4 These are front and side views of a guidance system according to an embodiment of the present invention.

[0034] Figure 5 A BB cross-sectional view of an embodiment of the present invention.

[0035] Figure 6 A CC cross-sectional view of an embodiment of the present invention.

[0036] Figure 7 This is a D-direction view according to an embodiment of the present invention.

[0037] Figure 8 This is a front view of a material platform system according to an embodiment of the present invention (with the flap door open).

[0038] Figure 9 This is a front view of a material platform system according to an embodiment of the present invention (with the flap door closed).

[0039] Figure 10 Top view of a material platform system according to an embodiment of the present invention

[0040] Figure 11 A front view of a standard column section according to an embodiment of the present invention.

[0041] Figure 12 A top view of a standard section of a column according to an embodiment of the present invention.

[0042] In the diagram: 001-Structural floor slab, 002-Foundation, 1-Frame system, 2-Material platform system, 3-Power system, 4-Guiding system, 5-Control system (not shown), 11-Column frame, 12-Top platform, 13-Wall attachment mechanism, 131-Connecting frame, 132-Adjustable bracket, 133-Wall attachment support, 134-Wall embedded parts (not shown), 14-Upper buffer, 111-Column, 1110-Standard column section, 1110a-Vertical steel pipe, 1110b-Steel profile, 112-Scissor brace, 113-Horizontal auxiliary connecting beam, 114-Lower buffer, 115-Base, 116-Transition pallet frame, 21-Material platform, 22-Flip-door. 23-Tilting mechanism; 31-Winch module; 311-Winch; 32-Lifting module; 321-Fixed pulley a; 322-Fixed pulley b; 323-Fixed pulley c; 41-Rectangular mounting frame; 42-Triangular reinforcing plate; 43-Horizontal wheel mounting bracket; 44-Vertical wheel mounting bracket; 45-Horizontal guide wheel assembly; 46-Vertical guide wheel; 51-Position sensor (not shown in the figure); 52-Several pin-type sensors (not shown in the figure); 53-Several braking devices (not shown in the figure); 54-Several tilt sensors (not shown in the figure); 55-Video monitoring system (not shown in the figure); 56-Vehicle recognition system (not shown in the figure); 57-Gate and lifting system linkage control (not shown in the figure). Detailed Implementation

[0043] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, provides a high-capacity lifting device and its installation and usage method according to the present invention. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0044] Reference Figure 1 and Figure 2 An embodiment of the present invention discloses a high-load-bearing lifting device for vertical transportation of fully loaded freight trucks. The device comprises a frame system 1, a material platform system 2, a power system 3, a guiding system 4, and a control system 5 (not shown in the figure). The power system 3 includes a hoisting module 31 and a lifting module 32. The hoisting module 31 is mounted on the frame system 1, thereby transferring the weight of the material platform system 2 and the fully loaded freight truck to the foundation through the frame system 1, providing a clear load transfer path. The lifting module 32 connects the frame system 1 and the material platform system 2. The control system 5 (not shown in the figure) is mounted on the frame system 1 and electrically connected to the hoisting module 31. The guiding system 4 is mounted on the material platform system 2, clamped onto the frame system 1, and can move vertically within the frame system 1. The frame system 1 provides guidance for the vertical movement of the material platform system. The control system 5 (not shown in the figure) controls the hoisting module 21 to move, thereby lifting the fully loaded freight truck to a designated structural floor through the lifting module 32, achieving vertical and horizontal transportation of materials.

[0045] Continue to refer to Figure 1 and Figure 2 The frame system 1 includes two parallel rows of upright frames 11, several wall-mounted mechanisms 13, a top platform 12, and several upper buffers 14. The upright frames 11 are fixedly installed on the foundation 002, the top platform 12 is fixedly installed on the top of the upright frames 11, and the upper buffers 14 are installed on the bottom surface of the top platform 12 to prevent accidents such as the material platform 21 carrying a freight truck overturning. In addition, several limit switches (not shown in the figure) are installed on the upright frames 11 near the top platform 12 to provide the control system 5 with limit position signals for the material platform system 2, controlling the hoist module 31 to prevent the material platform system 2 from exceeding its upper limit position and causing a safety accident. One end of the wall-mounted mechanism 13 is fixedly connected to the upright frames 11, and the other end of the wall-mounted mechanism 13 is fixedly connected to the structural floor slab 001. The wall-mounted mechanism 13 keeps the upright frames 11 within the designed position range, preventing the upright frames 11 from tipping over.

[0046] Reference Figure 1 and Figure 5The hoisting module 31 includes four winches 311, which are respectively arranged at the four corners of the top platform 12. The lifting module 32 includes four pulley groups 320, which correspond one-to-one with the winches 311. The pulley groups 320 and the winches 311 are staggered. The pulley group 320 includes fixed pulley a321, fixed pulley b322, and fixed pulley c323. Fixed pulley a321 and fixed pulley b322 are respectively fixed on the top surface and bottom surface of the top platform 12. Fixed pulley c323 is fixed on the material platform system 2. The winches 311 connect the fixed pulleys a321, fixed pulley c322, and fixed pulley b323 in series with steel wire ropes. One end of the steel wire rope is fixed to the corresponding winch 311, and the other end of the steel wire rope is fixed to the material platform system 2.

[0047] Reference Figure 1 The wall-mounted mechanism 13 includes a connecting frame 131, an adjustable bracket 132, a wall-mounted support 133, and a wall-embedded part 134 (not shown in the figure). The connecting frame 131 is fixedly connected to the corresponding column 111. The wall-mounted support 133 is bolted to the wall-embedded part 134 (not shown in the figure). The adjustable bracket 132 includes a threaded sleeve 1321 and two screws 1322. The two ends of the threaded sleeve 1321 are threadedly connected to one end of the two screws 1322, and the thread directions of the two screws 1322 are exactly opposite. The other ends of the two screws 1322 are fixedly connected to the wall-mounted support 133 and the connecting frame 131, respectively. This design allows for the synchronous and coordinated adjustment of the distance between the two screws 1322 by adjusting the threaded sleeve 1321, so that the distance between the two screws 1322 remains constant, thereby ensuring the stability of the position of the column 111.

[0048] Continue to refer to Figure 1 , Figure 2 , Figure 6 and Figure 7The column frame 11 includes several columns 111, several scissor supports 112, several transverse auxiliary connecting beams 113, and several lower buffers 114, bases 115 and transition tray frames 116 corresponding to each column 111. The columns 111 are vertically fixed on the foundation 002 via the bases 115. Each column 111 is composed of several standard column sections 1110 connected end to end. Each standard column section 1110 is welded from four vertical steel pipes 1110a and several structural steel sections 1110b. The steel frame is assembled, with the lower end of the transition pallet frame 116 fixedly connected to the top of the corresponding column 111, and the upper end of the transition pallet frame 116 fixedly connected to the top platform 12. The guide system 4 is snapped onto the corresponding column 111 and can move up and down along the column 111. The scissor support 112 is set between adjacent columns 111. The transverse auxiliary connecting beam 113 is set at intervals on the outside of the column 111 in the vertical direction and is fixedly connected to the column 111. The lower buffer 14 is fixedly installed on the base 115.

[0049] refer to Figure 3 and Figure 4 The guiding system 4 includes a rectangular mounting frame 41, two triangular reinforcing plates 42, two horizontal wheel mounting brackets 43, two vertical wheel mounting brackets 44, two horizontal guide wheel assemblies 45, and two vertical guide wheels 46. The two horizontal wheel mounting brackets 43 are symmetrically welded face-to-face to both ends of the upper side of the rectangular mounting frame 41. The horizontal wheel assemblies 45 are respectively mounted on the horizontal wheel mounting brackets 43. The vertical wheel mounting brackets 44 are respectively vertically welded to the upper surface of the corresponding horizontal wheel mounting brackets 43. The vertical guide wheels 46 are mounted on the corresponding vertical wheel mounting brackets 44. The horizontal wheel assemblies 45 and the vertical wheels 46 form a space that allows one vertical steel pipe 1110a in the standard column section 1110 to pass through. The two right-angled sides of the triangular reinforcing plate 42 are respectively welded to the rectangular mounting frame 41 and the horizontal wheel mounting brackets 43. The rectangular mounting frame 41 is bolted to the side of the material platform system 2.

[0050] refer to Figures 8 to 10 The material platform system 2 includes a material platform 21, a flap door 22, and a flipping mechanism 23. One side of the flap door 22 is installed on one side of the material platform 21 by a pin (not shown in the figure). The length of the flap door 22 is greater than the distance between the material platform 21 and the structural floor slab 001. The flipping mechanism 23 is installed on the material platform 21 and can drive the flap door 22 to rotate around the pin (not shown in the figure).

[0051] refer to Figure 1 , Figure 2 , Figure 5 and Figures 8 to 10The control system 5 (not shown in the figure) includes several position sensors 51 (not shown in the figure), several pin-type sensors 52 (not shown in the figure), several braking devices 53 (not shown in the figure), several tilt sensors 54 (not shown in the figure), a video monitoring system 55 (not shown in the figure), a vehicle recognition system 56 (not shown in the figure), and a gate and lifting system linkage control 57 (not shown in the figure).

[0052] Position sensor 51 (not shown in the figure) is installed at least at the highest position, lowest position and docking position of the material platform 21;

[0053] A pin-type sensor 52 (not shown in the figure) is installed on the material platform 21 and can detect the overall weight of the material platform 21; an inclination sensor 54 (not shown in the figure) is installed on the material platform 21 and is used to measure the levelness of the material platform 21; a brake device 53 (not shown in the figure) is installed on the corresponding winch 311 and controls the operation of the winch 311.

[0054] Video surveillance system 55 is used to monitor material platform system 2 and structural floor 001, especially the situation of freight trucks parking on material platform system 2 and the situation of material platform system 2 parking on designated structural floor 001;

[0055] The vehicle identification system 56 (not shown in the figure) automatically identifies the vehicles entering or leaving the material platform system 2 and the actual situation of the material platform 21 reaching each floor. The license plate is pre-entered in the vehicle identification system 56 (not shown in the figure), and the running route of the vehicle in the structural floor 001 is specified according to the nature of the vehicle. For example, small vehicles can enter the specified route in the floor, while heavy vehicles can only go to the large floor plate and other positions that meet their load-bearing requirements.

[0056] The gate and lifting system linkage control 57 can realize the state interlock between the power system 3 and the tilting mechanism 23. That is, the material platform system 2 can only be lifted and lowered when the gate is closed; otherwise, the system cannot be started.

[0057] The present invention also provides a method for installing and using a high-load-bearing lifting device, comprising the following steps:

[0058] Step 1: Provide a high load-bearing capacity lifting device as described in claim 8. First, install the column frame 11 on the treated foundation 002, then slowly slide the guide system 4 down from the top of the column 111, then assemble the material platform system 2, and fix the guide system 4 to the material platform 21 system.

[0059] Step 2: Install the power system 3, top platform 12, and control system 5 (not shown in the figure);

[0060] Step 3: The cargo truck proceeds along the transport channel to the high-capacity lifting device, and the operating control system 5 (not shown in the figure) stops the material platform 21 at the designated floor;

[0061] Step 4: Operate the tilting mechanism 23 to lower the flap door 22 and place it against the designated structural floor 001. Drive the cargo truck into the material platform 21. After the driver gets out of the truck and walks out of the material platform 21, operate the tilting mechanism 23 to retract the flap door 22. Control the power system 3 through the control system 5 (not shown in the figure) to raise or lower the material platform system 2 to the next structural floor 001 that the cargo truck needs to reach.

[0062] Step 5: Operate the tilting mechanism 23 to lower the flip door 22 and place it against the next floor 001. The driver drives the cargo truck off the material platform 21 and operates the tilting mechanism 23 to retract the flip door 22.

[0063] Step 6: Repeat steps 3 through 5.

[0064] In summary, this invention provides a high-capacity lifting device with an ingenious design. Through a power system 4, the material platform system 2, which is positioned above a fully loaded freight truck, is guided by a guide system 4 and moved along the frame system 1 to a designated structural floor 001. This enables combined horizontal and vertical transportation of materials on construction sites, avoiding the intermediate transfer processes of unloading and hoisting materials from freight trucks using tower cranes or truck cranes. This significantly simplifies the material transportation process on construction sites, reduces safety risks during material transfer, improves the efficiency of vertical and horizontal material transportation, shortens the overall project duration, and reduces construction costs. Furthermore, this invention provides a method for installing and using the high-capacity lifting device. This method fully utilizes the structural features of the device, allowing the material platform system 2 to safely lift or lower the truck and its cargo together to the designated structural floor 001 even when fully loaded with a freight truck. This simplifies the material transfer process on construction sites, reduces safety risks during transfer, and improves material transfer efficiency, better meeting the requirements of low-risk, high-efficiency, and low-cost modern construction.

[0065] The above description is merely a description of preferred embodiments of the present invention and is not intended to limit the scope of the present invention in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A high load capacity lifting device for use in the vertical transport of a fully loaded freight truck, characterized by, The application relates to a material lifting system, which comprises a frame system, a material platform system, a power system, a guide system and a control system, wherein the power system comprises a hoist module and a lifting module, the hoist module is installed on the frame system, the lifting module is connected with the frame system and the material platform system, the control system is installed on the frame system and is electrically connected with the hoist module, the guide system is installed on the material platform system, the guide system is clamped on the frame system and can move up and down on the frame system, the control system controls the hoist module to move the material platform system up and down through the lifting module.

2. The high load capacity lifting device of claim 1, wherein The frame system comprises two parallel column frame rows, a plurality of wall connecting mechanisms, a top platform and a plurality of upper buffers, the column frame is fixedly installed on a foundation base, the top platform is fixedly installed on the top end of the column frame, the upper buffer is installed on the bottom surface of the top platform, one end of the wall connecting mechanism is fixedly connected with the column frame, and the other end of the wall connecting mechanism is fixedly connected with a structural floor slab.

3. The high load capacity lifting device of claim 2, wherein, The hoist module comprises four hoists, the four hoists are arranged at four corners of the top platform respectively, the lifting module comprises four pulley blocks, the four pulley blocks correspond to the hoists one by one, the pulley blocks and the hoists are arranged in a staggered mode, the pulley block comprises a fixed pulley a, a fixed pulley b and a fixed pulley c, the fixed pulley a and the fixed pulley b are fixed on the top surface and the bottom surface of the top platform respectively, the fixed pulley c is fixed on the material platform system, the hoist module sequentially connects the fixed pulley a, the fixed pulley c and the fixed pulley b through a steel wire rope, one end of the steel wire rope is fixed on the corresponding hoist, and the other end of the steel wire rope is fixed on the material platform system.

4. The high load capacity lifting device of claim 2, wherein, The wall connecting mechanism comprises a connecting frame, an adjustable support, a wall support and a wall embedded part, the connecting frame is fixedly connected with the column frame, the wall support is bolted with the wall embedded part, the adjustable support comprises a threaded sleeve and two screw rods, the threaded sleeve is threadedly connected with one end of the two screw rods respectively, and the other ends of the two screw rods are fixedly connected with the wall support and the connecting frame respectively.

5. The high load capacity lifting device of any one of claims 2 or 4, wherein, The column frame comprises a plurality of columns, a plurality of scissor supports, a plurality of transverse auxiliary connecting cross beams and a plurality of lower buffers, a base corresponding to the column and a transition tray frame, the column is vertically fixedly installed on the foundation base through the base, the column is composed of a plurality of column standard sections connected in a head-tail mode, the column standard section is a steel frame composed of four vertical steel pipes and a plurality of profile steels, the lower end of the transition tray frame is fixedly connected with the top end of the corresponding column, the upper end of the transition tray frame is fixedly connected with the top platform, the guide system is clamped on the corresponding column and can move up and down along the column, the scissor support is arranged between adjacent columns, the transverse auxiliary connecting cross beam is arranged on the outer side of the column in a vertical direction and is fixedly connected with the column, and the lower buffer is fixedly installed on the base.

6. The high load capacity lifting device of claim 5, wherein, The guide system comprises a rectangular mounting frame, two triangular reinforcing plates, two horizontal wheel mounting racks, two vertical wheel mounting racks, two horizontal guide wheel sets and two vertical guide wheels, the two horizontal wheel mounting racks are symmetrically welded on the two ends of the upper side of the rectangular mounting frame, the horizontal wheel sets are respectively mounted on the horizontal wheel mounting racks, the vertical wheel mounting racks are respectively welded on the upper surfaces of the corresponding horizontal wheel mounting racks, the vertical guide wheels are mounted on the corresponding vertical wheel mounting racks, the horizontal wheel sets and the vertical guide wheels enclose a space for the vertical steel pipe in the column standard section to pass through, two straight edges of the triangular reinforcing plate are respectively welded with the rectangular mounting frame and the horizontal wheel mounting rack, and the rectangular mounting frame is bolted on the side of the material platform system.

7. The high load capacity lifting device of claim 5, wherein, The material platform system comprises a material platform, a flap door and a turnover mechanism, one side of the flap door is mounted on one side of the material platform through a pin shaft, the length of the flap door is greater than the distance between the material platform and the structural floor, and the turnover mechanism is mounted on the material platform and can drive the flap door to rotate around the pin shaft.

8. The high load capacity lifting device of claim 5, wherein, The control system comprises a plurality of position sensors, a plurality of pin shaft sensors, a plurality of brake devices, a plurality of inclination sensors, a video monitoring system, a vehicle identification system, and a gate and lifting system linkage control. The position sensors are at least installed at positions capable of detecting the highest position, the lowest position and the position of each layer of the material platform; The pin shaft sensors are installed on the material platform and can detect the overall weight of the material platform; The inclination sensors are installed on the material platform and are used to measure the levelness of the material platform; The brake devices are installed on the corresponding hoists to control the actions of the hoists; The video monitoring system is used to monitor the material platform system and the structural floor, especially the conditions of the freight truck parked on the material platform system and the conditions of the material platform system parked on the designated structural floor; The vehicle identification system can automatically identify the conditions of the vehicles entering or leaving the material platform system and the actual conditions of the material platform reaching each layer; The gate and lifting system linkage control can realize the state interlocking between the power system and the turnover mechanism.

9. A method of installing and using a high load capacity lifting device, comprising: The method comprises the following steps: Step 1: providing a large load-bearing capacity lifting device as claimed in claim 8, slowly sliding the guide system from the top of the column frame onto the treated foundation, then assembling the material platform system, and fixing the guide system and the material platform system; Step 2: installing the power system, the top platform and the control system; Step 3: the freight truck arrives at the large load-bearing capacity lifting device along the transportation channel, and the control system is operated to park the material platform on the designated floor. Step 4: operating the turnover mechanism to lay down the flap door and lean against the designated structure floor, driving the truck into the material platform, and after the driver gets off the truck and walks out of the material platform, operating the turnover mechanism to fold up the flap door, and controlling the power system to lift or lower the material platform system to the next structure floor that the truck needs to reach through the control system; Step 5: operating the turnover mechanism to lay down the flap door and lean against the next structure floor, and driving the truck out of the material platform, and operating the turnover mechanism to fold up the flap door; Step 6: repeating steps 3 to 5.

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