Movable aerial work lift

Abstract

The utility model discloses a movable aerial work lifting device, including support frame, the lower extreme of support frame is provided with movable base, and support frame realizes mobile use through movable base, the side of movable base is provided with support fixing part, and movable base realizes limit fixing through support fixing part, the inside of support frame is provided with the ladder stand structure, and the ladder stand structure is provided with electric ladder stand subassembly, the utility model discloses movable base design is equipped with self -walking universal rudder wheel and universal wheel combination, has solved the problem that traditional scaffold and soft ladder are inconvenient to move, and can adjust the operation position according to the maintenance demand, reduces equipment transfer time, simultaneously, set up support fixing part, can stably fixed device when operating, to prevent displacement, in addition, electric ladder stand subassembly passes through gear and rack meshing drive, and cooperates with the guide wheel and guide rail orientation, to make the lifting process stable and reliable, thereby avoiding the falling risk of traditional climbing mode.

Description

Technical Field

[0001] This utility model belongs to the field of lifting device technology, and in particular relates to a mobile high-altitude operation lifting device. Background Technology

[0002] During the A-level overhaul of the power plant units in the basin, the maintenance of the runner, main shaft, and air supply system, as well as the disassembly and assembly of lifting tools, all involve high-altitude operations. Among them, the maintenance of large components such as the main shaft, rotor, and top cover is mainly carried out on the main hall floor of the plant. Currently, scaffolding and rope ladders are mostly used for high-altitude operations. Although the erection and dismantling are convenient, there will be some waste of materials and time.

[0003] In addition, maintenance work in the factory lobby requires constant movement, and traditional scaffolding and rope ladders are not convenient for rapid movement, which greatly reduces maintenance efficiency and increases maintenance costs.

[0004] Therefore, a mobile aerial work platform is needed to improve the above-mentioned problems. Utility Model Content

[0005] To overcome the shortcomings of the existing technology, this utility model provides a mobile aerial work platform lifting device that can be easily moved and used, and can be fixed in place during operation.

[0006] The objective of this utility model is achieved through the following technical solution: A mobile aerial work platform lifting device includes a support frame, and a movable base is provided at the lower end of the support frame. The support frame can be moved and used through the movable base. The movable base is equipped with a support and fixing component on its side, which enables the movable base to be limited and fixed. The supporting frame has an internal ladder structure with an electric ladder component. A control component is mounted on the movable base, and the control component is electrically connected to the electric ladder component.

[0007] Furthermore, the movable base includes a base plate, with a set of self-propelled omnidirectional wheels installed at both ends of one side of the lower surface of the base plate, and a set of omnidirectional wheels installed at both ends of the other side of the lower surface of the base plate.

[0008] Furthermore, the support and fixing components include several support legs, and each support leg has a protrusion screwed onto its upper end, with the protrusion being fixedly connected to the side of the base plate.

[0009] Furthermore, the support frame includes an overall frame, with several side bars connected internally to the sides of the overall frame, and several notches formed on the sides of the overall frame for construction personnel to move up and down.

[0010] Furthermore, the ladder structure includes a ladder, which is fixedly connected to the overall frame. Several crossbars are evenly spaced along the length of the ladder. Guide rails are vertically connected between the middle of the crossbars. The electric ladder assembly is mounted on the guide rails and moves up and down along the guide rails.

[0011] Furthermore, the guide rail component includes a guide rail, and a rack is fixedly connected to one side of the guide rail; the electric climbing ladder assembly includes a crawler, and a gear component that meshes with the rack is provided on the back of the crawler. The gear component is connected to a drive motor, and the drive motor is located inside the crawler.

[0012] Furthermore, a set of guide wheels is provided at both the top and bottom ends of the back of the crawler, and a docking rail is provided on the side of the guide rail along the length direction. Each set of guide wheels is engaged with the side of the docking rail.

[0013] Furthermore, the gear component includes a gear, with several fixed posts evenly arranged circumferentially on the side of the gear, and a meshing groove formed between two adjacent fixed posts. A mounting bracket is connected to the outside of the gear, and the mounting bracket is fixedly connected to the outside of the crawler.

[0014] Furthermore, a buffer base is connected to the lower end of the docking rail, a buffer end is provided in the middle of the buffer base, and a set of pulleys is connected to the back of the buffer base. Furthermore, a battery compartment is located in the middle of the front of the crawler, containing a battery module. A storage section is located at the lower end of the battery compartment, and a foot pedal is hinged inside the storage section.

[0015] The beneficial effects of this utility model are as follows: 1. This utility model adopts a movable base design, equipped with a combination of self-propelled omnidirectional steering wheels and omnidirectional wheels, which solves the problem of inconvenient movement of traditional scaffolding and rope ladders, and can quickly adjust the working position according to maintenance needs, reducing equipment transfer time; at the same time, it is equipped with support fixing parts to stabilize the device during operation and prevent displacement; in addition, the electric climbing ladder assembly is driven by gear and rack meshing, and is guided by guide wheels and guide rails to make the lifting process smooth and reliable, thereby avoiding the risk of falling from traditional climbing methods; 2. This utility model adopts an integrated movable structure, which reduces the material consumption and time waste of scaffolding erection and dismantling. It uses electric drive to replace manual climbing, saving labor costs. At the same time, the battery module power supply design enhances the flexibility of operation in the factory. The ladder structure combined with the electric crawler supports construction personnel to go up and down quickly. The retractable design of the pedals saves storage space. The buffer base and buffer end structure reduce the impact of lifting and extending the service life of the equipment. Attached Figure Description

[0016] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings. Wherein: Figure 1 This shows a structural schematic diagram of the present invention from one perspective; Figure 2 This shows a structural schematic diagram of the present invention from another perspective; Figure 3 A side view of the present invention is shown; Figure 4 This shows an installation diagram of the electric ladder assembly of this utility model from one perspective; Figure 5 This shows an installation diagram of the electric ladder assembly of this utility model from another perspective; Figure 6 Showing Figure 5 A magnified view of a section at point A in the middle; In the accompanying drawings, the same parts use the same reference numerals. The drawings are not to scale.

[0017] Figure label: 1. Base plate; 2. Protrusion; 3. Support leg; 4. Self-propelled omnidirectional steering wheel; 5. Mounting frame; 6. Diagonal brace; 7. Crawler; 8. Overall frame; 9. Climbing ladder; 10. Side bar; 11. Cross bar; 12. Guide rail; 13. Omnidirectional wheel; 14. Guide wheel; 15. Buffer base; 16. Pedal; 17. Rack; 18. Battery compartment; 19. Storage section; 20. Buffer end; 21. Fixing column; 22. Mounting bracket; 23. Gear. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] This utility model provides a mobile aerial work platform lifting device, such as... Figure 1-6 As shown, it includes a support frame, with a movable base at the lower end of the support frame, allowing the support frame to be moved and used. The movable base also has a support fixing component on its side to keep the movable base in a fixed position. The support frame has a ladder structure inside, on which an electric ladder assembly is installed. A mounting frame 5 is provided on one side of the movable base, and a control component for electrical connection with the electric ladder assembly is provided inside the mounting frame 5. The controller of the control component can be a PCB board equipped with a C51 microcontroller.

[0020] In one embodiment, the movable base includes a base plate 1. A set of self-propelled omnidirectional steering wheels 4 are installed at both ends of one side of the lower surface of the base plate 1, and a set of omnidirectional wheels 13 are installed at both ends of the other side of the lower surface of the base plate 1. The support and fixing components include several vertically arranged support legs 3. Each support leg 3 has an external thread on its upper outer side and is threadedly connected to a protrusion 2. The protrusion 2 is fixedly connected to the side of the base plate 1.

[0021] Understandably, the bottom of the device is a base plate 1, with a self-propelled omnidirectional steering wheel 4 installed on one side of its lower surface and an omnidirectional wheel 13 installed on the other side. The two work together to enable the device to move flexibly as a whole. After moving into place, the support leg 3 is rotated so that the support leg 3 contacts the ground and lifts the base plate 1 to fix the device, thereby preventing displacement during operation.

[0022] In one embodiment, the support frame includes an integral frame 8, with several side bars 10 connected to the inside of the side of the integral frame 8, and several notches formed on the side of the integral frame 8 for construction personnel to go up and down; the ladder structure includes a ladder 9, which is fixedly connected to the integral frame 8, and several crossbars 11 are evenly spaced along the length direction inside the ladder 9, with guide rails vertically connected between the middle of the crossbars 11, the length direction of the guide rails matching the length direction of the ladder 9, and an electric ladder assembly is mounted on the guide rails and moves up and down along the guide rails; the guide rails include guide rails 12, with a rack 17 fixedly connected to one side of the guide rails 12.

[0023] Understandably, the overall frame 8 is the main load-bearing structure of the device, and the sides are reinforced by side bars 10 to form a multi-level working platform; the side of the frame has a reserved opening to facilitate the construction personnel to go up and down and to retrieve and put away tools. The overall frame 8 has a fixed ladder 9 inside. The ladder 9 is divided into steps by crossbars 11, which serve as both a backup access channel and a mounting base for the guide rail 12.

[0024] It should be noted that multiple diagonal braces 6 can be installed between the overall frame 8 and the base plate 1 to improve the structural stability of the device.

[0025] In one embodiment, the electric climbing ladder assembly includes a crawler 7, on the back of the crawler 7 is a gear that meshes with a rack 17, the gear is connected to a drive motor, the drive motor is located inside the crawler 7; a set of guide wheels 14 are provided at both the upper and lower ends of the back of the crawler 7, and a docking rail is provided on the side of the guide rail 12 along the length direction, and each set of guide wheels 14 abuts against the side of the docking rail. The gear component includes a gear 23. Several fixed posts 21 are evenly fixedly connected to the side of the gear 23 along the circumferential direction. A meshing groove is formed between two adjacent fixed posts 21. A mounting bracket 22 is connected to the outside of the gear 23. The mounting bracket 22 is fixedly connected to the outside of the crawler 7. A buffer base 15 is connected to the lower end of the docking rail. A buffer end 20 is provided in the middle of the buffer base 15. A set of pulleys is connected to the back of the buffer base 15. A battery compartment 18 is provided in the middle of the front of the crawler 7. A battery module is provided in the battery compartment 18. A storage part 19 is provided at the lower end of the battery compartment 18. A pedal 16 is hinged inside the storage part 19.

[0026] Understandably, the guide rail 12 is vertically fixed to the middle of the crossbar 11, with a rack 17 welded to one side. A gear 23 is installed on the back of the crawler 7, and the gear 23 meshes with the rack 17 through the fixed column 21. The gear 23 is driven to rotate by the internal drive motor of the crawler 7, enabling the crawler 7 to move up and down along the guide rail 12. Guide wheels 14 are provided at the upper and lower ends of the back of the crawler 7. The guide wheels 14 cooperate with the docking rail on the side of the guide rail 12 to ensure that the lifting process is smooth and without deviation. The lower end of the docking rail is connected to the buffer base 15, and the buffer end 20 at its bottom can absorb the impact of descent and protect the safety of the equipment and personnel. The crawler 7 has a battery compartment 18 at the front, with a built-in battery module to power the drive motor; the control components in the mounting frame 5 are connected to the crawler 7 via wires to realize lifting, starting and stopping and speed control; the crawler 7 has a storage section 19 at the bottom, with a built-in foldable footboard 16, which forms a standing platform when unfolded for single-person operation, and reduces space occupation when folded.

[0027] It should be noted that the drive motor can be a geared motor, and both the drive motor and the battery module can be electrically connected to the control components; in addition, a horizontal limit block can be provided at the lower front end of the crawler 7 to prevent the pedal 16 from over-rotating, so that when the pedal 16 is rotated to the horizontal, its bottom surface just abuts against the upper surface of the horizontal limit block.

[0028] The usage process of this utility model is as follows: When moving, the support legs 3 are retracted, and the self-propelled omnidirectional steering wheel 4 drives the device to the target position; after fixing, the construction personnel stand on the footboard 16 and start the drive motor through the control components in the mounting frame 5. The gear 23 is driven along the rack 17, which drives the crawler 7 to rise to the specified height; after the operation is completed, the reverse drive motor achieves a smooth descent.

[0029] In summary, this utility model adopts a movable base design and is equipped with a combination of self-propelled omnidirectional steering wheel 4 and omnidirectional wheels 13, which solves the problem of inconvenient movement of traditional scaffolding and rope ladders. It can also quickly adjust the working position according to maintenance needs, reducing equipment transfer time. At the same time, it is equipped with support fixing components to stabilize the device during operation and prevent displacement. In addition, the electric climbing ladder assembly is driven by gear 23 meshing with rack 17 and guided by guide wheel 14 and guide rail 12 to make the lifting process smooth and reliable, thereby avoiding the risk of falling in traditional climbing methods. This utility model adopts an integrated movable structure, which reduces the material consumption and time waste of scaffolding erection and dismantling. It uses electric drive to replace manual climbing, saving labor costs. At the same time, the battery module power supply design enhances the flexibility of operation in the factory. The ladder structure is combined with the electric crawler 7 to support construction personnel to go up and down quickly. The retractable design of the step 16 saves storage space. The structure of the buffer base 15 and the buffer end 20 reduces the impact of lifting and extending the service life of the equipment.

[0030] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] While specific embodiments of the present invention have been described herein with reference to them, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways different from those described in the original claims. It is also understood that features described in conjunction with individual embodiments can be used in other described embodiments.

Claims

1. A mobile aerial work platform lifting device, comprising a support frame, characterized in that, The lower end of the support frame is provided with a movable base, and the support frame can be moved and used through the movable base; The movable base is provided with a support and fixing member on its side, and the movable base is limited and fixed by the support and fixing member; The support frame has a ladder structure inside, and an electric ladder assembly is installed on the ladder structure. A control assembly is installed on the movable base, and the control assembly is electrically connected to the electric ladder assembly.

2. The mobile aerial work platform lifting device according to claim 1, characterized in that, The movable base includes a base plate (1), a set of self-propelled omnidirectional steering wheels (4) are installed at both ends of one side of the lower surface of the base plate (1), and a set of omnidirectional wheels (13) are installed at both ends of the other side of the lower surface of the base plate (1).

3. A mobile aerial work platform lifting device according to claim 2, characterized in that, The support and fixing component includes several support legs (3), and each support leg (3) has a protrusion (2) screwed onto its upper end. The protrusion (2) is fixedly connected to the side of the base plate (1).

4. A mobile aerial work platform lifting device according to any one of claims 1-3, characterized in that, The support frame includes an integral frame (8), and several side rods (10) are connected inside the side of the integral frame (8). Several gaps are formed on the side of the integral frame (8) for construction personnel to move up and down.

5. A mobile aerial work platform lifting device according to claim 4, characterized in that, The ladder structure includes a ladder (9), which is fixedly connected to the overall frame (8). The interior of the ladder (9) is provided with a number of horizontal bars (11) at equal intervals along the length direction. A guide rail is vertically connected between the middle parts of the horizontal bars (11). The electric ladder assembly is mounted on the guide rail and moves up and down along the guide rail.

6. A mobile aerial work platform lifting device according to claim 5, characterized in that, The guide rail component includes a guide rail (12), and a rack (17) is fixedly connected to one side of the guide rail (12); the electric climbing ladder assembly includes a crawler (7), and a gear component that meshes with the rack (17) is provided on the back of the crawler (7), and the gear component is connected to a drive motor, which is located inside the crawler (7).

7. A mobile aerial work platform lifting device according to claim 6, characterized in that, The crawler (7) has a set of guide wheels (14) at both the top and bottom of its back, and the guide rail (12) has a docking rail along its length. Each set of guide wheels (14) is engaged with the side of the docking rail.

8. A mobile aerial work platform lifting device according to claim 7, characterized in that, The gear component includes a gear (23), and a plurality of fixed posts (21) are evenly arranged on the side of the gear (23) along the circumferential direction. A meshing groove is formed between two adjacent fixed posts (21). A mounting bracket (22) is connected to the outside of the gear (23), and the mounting bracket (22) is fixedly connected to the outside of the crawler (7).

9. A mobile aerial work platform lifting device according to claim 7 or 8, characterized in that, The lower end of the docking rail is connected to a buffer base (15), the buffer base (15) is provided with a buffer end (20) in the middle, and a set of pulleys is connected to the back of the buffer base (15).

10. A mobile aerial work platform lifting device according to claim 9, characterized in that, The crawler (7) has a battery compartment (18) in the middle of its front, and a battery module is provided inside the battery compartment (18). A storage part (19) is provided at the lower end of the battery compartment (18), and a pedal (16) is hinged inside the storage part (19).

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