Movable physical ladder with stable structure

Abstract

This utility model belongs to the field of physical ladder technology, and particularly relates to a movable physical ladder with a stable structure. It includes a ladder frame body and casters installed at the four corners of the bottom of the ladder frame body. Multiple working platforms are installed on the ladder frame body, and a guardrail is provided on the outer wall of the top of the ladder frame body. Two sets of connecting beams are installed at the bottom of the ladder frame body. By installing two sets of connecting beams at the bottom of the ladder frame body, and installing two sets of retractable sliding extension frames on the two connecting beams, activating a linear actuator pushes the sliding extension frames outwards. The sliding extension frames smoothly slide outwards along the connecting beams via sliders at the bottom, thereby significantly increasing the lateral support width at the bottom of the ladder frame body. This greatly reduces the risk of the ladder frame body tipping over due to a shift in the center of gravity, providing an extremely stable and reliable working platform for workers at heights and preventing the ladder frame body from tilting.

Description

Technical Field

[0001] This utility model relates to the field of physical ladder technology, and in particular to a movable physical ladder with a stable structure. Background Technology

[0002] In many scenarios such as industrial production, warehousing and logistics, construction and decoration, and household cleaning, people often need to perform high-altitude operations, such as equipment maintenance, goods storage and retrieval, wall painting, and lighting installation. In these cases, ladders serve as the core tool for climbing. Existing portable physical ladders can basically meet the daily needs, but there are still some shortcomings that need to be improved.

[0003] Existing portable physical ladders on the market usually have ordinary rollers installed at the feet, but the contact area between the feet and the ground is small. Construction and renovation sites are often unfinished, with uneven surfaces such as cement residue, sand, and grooves. The feet of traditional ladders cannot adapt to complex ground conditions, which can easily cause the ladder to tilt. Therefore, we propose a portable physical ladder with a stable structure to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a movable physical ladder with a stable structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a movable physical ladder with a stable structure, comprising a ladder frame body and movable wheels installed at the four corners of the bottom of the ladder frame body. Multiple working platforms are installed on the ladder frame body. A guardrail is provided on the outer wall of the top of the ladder frame body. Two sets of connecting beams are installed at the bottom of the ladder frame body. A connecting seat is installed in the middle of each of the two sets of connecting beams. A linear actuator is installed at the top of each of the two sets of connecting seats. Sliding extension frames are installed at both ends of each connecting beam. The bottom ends of each of the two sets of sliding extension frames are slidably connected to the connecting beams via sliders. The output ends of the two sets of linear actuators on the two sets of connecting seats are connected to the outside of the two sets of sliding extension frames. Each set of sliding extension frames is connected to a support foot via an adjustment component.

[0006] As an improved technical solution, the adjustment assembly includes a threaded seat installed at the end of the sliding extension frame, the threaded seat having an internally threaded threaded rod, the bottom end of which is rotatably connected to the top of the support foot.

[0007] As an improved technical solution, the work platform is equipped with two sets of tool storage boxes.

[0008] As an improved technical solution, a storage battery is installed between the two sets of connecting beams, and a control switch is installed on the outside of the ladder frame body. The control switch is electrically connected to the linear driver through a wire.

[0009] As an improved technical solution, the bottom of multiple sets of support feet are provided with anti-slip grooves.

[0010] As an improved technical solution, the connecting beam is provided with a T-shaped groove, and the slider is designed in a T-shape to match the groove.

[0011] As an improved technical solution, the top of the threaded rod is equipped with an anti-slip throttle.

[0012] After adopting the above technical solution, the beneficial effects of this utility model are: I. This utility model has two sets of connecting beams installed at the bottom of the ladder frame body, and two sets of retractable sliding extension frames installed on the two sets of connecting beams. When the linear actuator is activated, the linear actuator pushes the sliding extension frames to extend outward, allowing the sliding extension frames to slide smoothly outward along the connecting beams via the bottom slider. This significantly increases the lateral support width at the bottom of the ladder frame body, greatly reducing the risk of the ladder frame body overturning due to the shift of the center of gravity. It provides an extremely stable and reliable working platform for high-altitude workers and prevents the ladder frame body from tilting.

[0013] II. This utility model allows for rapid height adjustment of the four sets of support legs by rotating the threaded rod, enabling the four sets of support legs to be leveled independently and to fully contact the ground. This allows the ladder frame to easily handle various complex and uneven working surfaces, further improving the ladder's adaptability and stability on uneven ground and greatly expanding the application scenarios of the ladder frame. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a bottom view of the structure of this utility model; Figure 4 This is a schematic diagram of a partial disassembly structure of the present invention.

[0015] In the diagram: 1. Ladder frame body; 2. Casters; 3. Working platform; 4. Guardrail; 5. Tool storage box; 6. Connecting beam; 7. Connecting seat; 8. Sliding extension frame; 9. Slider; 10. Support leg; 11. Linear actuator; 12. Threaded seat; 13. Threaded rod; 14. Battery; 15. Control switch. Detailed Implementation

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0017] This utility model provides a technical solution: such as Figures 1 to 4 As shown, in this embodiment, a movable physical ladder with a stable structure includes a ladder frame body 1 and moving wheels 2 installed at the four corners of the bottom of the ladder frame body 1. Multiple sets of working platforms 3 are installed on the ladder frame body 1. A guardrail 4 is provided on the outer wall of the top of the ladder frame body 1. Two sets of connecting beams 6 are installed at the bottom of the ladder frame body 1. A connecting seat 7 is installed in the middle of each of the two sets of connecting beams 6. A linear actuator 11 is installed at the top of each of the two sets of connecting seats 7. Sliding extension frames 8 are installed at both ends of the connecting beams 6. The bottom ends of the two sets of sliding extension frames 8 are slidably connected to the connecting beams 6 through sliders 9. The output ends of the two sets of linear actuators 11 on the two sets of connecting seats 7 are connected to the outside of the two sets of sliding extension frames 8. The two sets of sliding extension frames 8 are connected to the support feet 10 through adjustment components.

[0018] By installing two sets of connecting beams 6 at the bottom of the ladder frame body 1, and installing two sets of retractable sliding extension frames 8 on the two sets of connecting beams 6, activating the linear actuator 11 allows the linear actuator 11 to push the sliding extension frames 8 outward, allowing the sliding extension frames 8 to slide smoothly outward along the connecting beams 6 via the bottom slider 9. This significantly increases the lateral support width at the bottom of the ladder frame body 1, greatly reducing the risk of the ladder frame body 1 overturning due to the shift of the center of gravity, providing an extremely stable and reliable working platform for high-altitude workers, and preventing the ladder frame body 1 from tilting.

[0019] In other embodiments, the adjustment assembly includes a threaded seat 12 mounted on the end of the sliding extension frame 8, with a threaded rod 13 internally threaded to the threaded seat 12, and the bottom ends of the threaded rod 13 being rotatably connected to the top of the support foot 10. The height of the four sets of support feet 10 can be quickly adjusted by rotating the threaded rod 13, allowing the four sets of support feet 10 to be leveled independently and to fully contact the ground. This enables the ladder frame body 1 to easily cope with various complex and uneven working surfaces, further improving the ladder's adaptability and stability on uneven ground and greatly expanding the application scenarios of the ladder frame body 1.

[0020] In other embodiments, two sets of tool storage boxes 5 are installed on the work platform 3; This design allows the tool storage box 5 installed on the work platform 3 to facilitate the storage of tools by the workers, preventing tools from falling or being lost, improving work efficiency, and enhancing safety.

[0021] In other embodiments, a battery 14 is installed between the two sets of connecting beams 6, and a control switch 15 is installed on the outside of the ladder frame body 1. The control switch 15 is electrically connected to the linear driver 11 through a wire. This design allows the battery 14 to provide power to the linear actuator 11, while the control switch 15 facilitates the operator's control of the expansion and retraction of the sliding extension frame 8, achieving electric control, convenient operation, and suitability for various working environments.

[0022] In other embodiments, the bottom ends of multiple sets of support feet 10 are provided with anti-slip grooves; This design increases the friction between the support foot 10 and the ground, preventing the support foot 10 from sliding, further enhancing the overall anti-slip capability of the ladder and improving safety.

[0023] In other embodiments, a T-shaped groove is provided on the connecting beam 6, and the slider 9 is designed in a T-shape to match the groove; This design ensures that the sliding extension frame 8 can drive the slider 9 to move smoothly laterally along the groove on the connecting beam 6, thereby effectively preventing the sliding extension frame 8 from shaking during movement and thus effectively improving the stability of the sliding extension frame 8 during movement.

[0024] In other embodiments, a non-slip throttle is installed at the top of the threaded rod 13; This design effectively increases the friction between the throttle and the user's hand, making it easier for the user to quickly and effectively rotate the threaded rod 13.

[0025] This utility model provides a movable physical ladder with a stable structure, and its specific working principle is as follows: Movement phase: The ladder frame body 1 is pushed to the working position by the bottom moving wheels 2. At this time, the support legs 10 are in the retracted state and the sliding extension frame 8 is not extended.

[0026] Stabilization Phase: After reaching the designated position, the linear actuator 11 is activated via control switch 15, pushing the sliding extension frame 8 to slide outward along the connecting beam 6, expanding the support area. Subsequently, the height of the support foot 10 is finely adjusted via threaded rod 13 to ensure full contact between the support foot 10 and the ground.

[0027] Work phase: Workers can climb onto the work platform 3, use the guardrail 4 for safety, and the tool storage box 5 facilitates the storage of tools and improves work efficiency.

[0028] Retraction phase: After the operation is completed, the sliding extension frame 8 and support feet 10 are retracted by controlling switch 15 to restore the moving state, which is convenient for the next relocation.

[0029] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A movable physical ladder with a stable structure, comprising a ladder frame body (1) and casters (2) installed at the four corners of the bottom end of the ladder frame body (1), wherein multiple sets of working platforms (3) are installed on the ladder frame body (1), characterized in that: The top outer wall of the ladder frame body (1) is provided with a guardrail (4). Two sets of connecting beams (6) are installed at the bottom of the ladder frame body (1). A connecting seat (7) is installed in the middle of each of the two sets of connecting beams (6). A linear driver (11) is installed at the top of each of the two sets of connecting seats (7). A sliding extension frame (8) is installed at both ends of the connecting beams (6). The bottom ends of the two sets of sliding extension frames (8) are slidably connected to the connecting beams (6) through sliders (9). The output ends of the two sets of linear drivers (11) on the two sets of connecting seats (7) are connected to the outside of the two sets of sliding extension frames (8). The two sets of sliding extension frames (8) are connected to the support feet (10) through adjustment components.

2. The movable physical ladder with a stable structure according to claim 1, characterized in that: The adjustment assembly includes a threaded seat (12) installed at the end of the sliding extension frame (8), and a threaded rod (13) is internally threaded to the threaded seat (12), with the bottom end of the threaded rod (13) rotatably connected to the top of the support foot (10).

3. A movable physical ladder with a stable structure according to claim 1, characterized in that: Two sets of tool storage boxes (5) are installed on the work platform (3).

4. A movable physical ladder with a stable structure according to claim 1, characterized in that: A battery (14) is installed between the two sets of connecting beams (6), and a control switch (15) is installed on the outside of the ladder frame body (1). The control switch (15) is electrically connected to the linear driver (11) through a wire.

5. A movable physical ladder with a stable structure according to claim 1, characterized in that: The bottom of each of the multiple sets of support feet (10) is provided with anti-slip grooves.

6. A movable physical ladder with a stable structure according to claim 1, characterized in that: The connecting beam (6) is provided with a T-shaped groove, and the slider (9) is designed in a T-shape to match the groove.

7. A movable physical ladder with a stable structure according to claim 2, characterized in that: The top of each threaded rod (13) is equipped with an anti-slip throttle.

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