A safety harness device for working at height

Abstract

The utility model relates to a safe hanging basket device of high-altitude operation, including main frame, controller, be equipped with seat on main frame, the middle part of seat is equipped with hollow vertical rod, the top of vertical rod is equipped with first support, first support is equipped with first guide pulley rotationally, one side of first guide pulley is equipped with second guide pulley rotationally, the position of frame bottom corresponds the position of vertical rod and is equipped with elevator, controller is electrically connected with elevator, the both sides of seat are equipped with support subassembly, replace the support mode of the foot of operating personnel with the support arm of unfoldable, fundamentally avoid the fatigue of long time leg force result in, let operating personnel can be more concentrated on operation, the reliable support is formed through the stable cooperation of guide pin and card slot after support arm unfolding, effectively reduce the swing amplitude when hanging basket operation, both improve the operation precision, also strengthen operation safety.

Description

Technical Field

[0001] This utility model relates to the field of suspended platform technology, specifically to a safety suspended platform device for working at heights. Background Technology

[0002] In high-altitude operations such as building exterior decoration, equipment maintenance, and curtain wall upkeep, safety scaffolds are core equipment for ensuring workers' safety during high-altitude operations. Their structural design directly affects the safety, comfort, and efficiency of the work. Currently, most small and medium-sized single-person scaffolds for high-altitude operations on the market, in order to simplify the structure and control costs, generally do not have dedicated support mechanisms, relying on the suspension stability of the scaffold body to maintain the working state.

[0003] This unsupported design forces workers to continuously brace their feet against the building wall during operation. On the one hand, workers must maintain leg exertion for extended periods, especially in scenarios where high-altitude work often lasts for several hours, easily leading to leg muscle fatigue and soreness. This not only reduces work comfort but also distracts workers from the task at hand, increasing the risk of operational errors due to lack of concentration. On the other hand, the stability of the foot support relies entirely on subjective human control. When the range of motion is large, the contact force between the feet and the wall can easily change, potentially causing irregular swaying of the suspended platform. This not only affects the accuracy of the work (such as wall painting and component installation) but also exacerbates the psychological stress on workers and may even pose a safety hazard of platform imbalance. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a safety suspended platform device for high-altitude operations.

[0005] The purpose of this utility model can be achieved through the following technical solution: A safety suspended platform device for working at height includes a main frame and a controller. A seat is provided on the main frame, and a hollow vertical rod is provided in the middle of the seat. A first support is provided at the top of the vertical rod, and a first guide wheel is rotatably provided on the first support. A second guide wheel is rotatably provided on one side of the first guide wheel. A hoist is provided at the bottom of the frame corresponding to the position of the vertical rod. The controller is electrically connected to the hoist. Support components are provided on both sides of the seat. The support components include a base. A support arm is hinged to one end of the base, and a connecting rod is hinged to the other end. A guide pin is provided at one end of the connecting rod. A sliding groove is provided on the support arm along its length direction. The guide pin is movably disposed in the sliding groove. A pressure handle is hinged on the side of the support arm near the base. A torsion spring is provided at the hinge point between the pressure handle and the support arm. A slot matching the guide pin is provided at the end of the pressure handle.

[0006] Preferably, the support assembly further includes a wheel frame disposed at the end of the support arm, on which rollers are rotatably mounted.

[0007] Preferably, a safety lock is provided on the vertical rod, a second support is provided above the safety lock, and a third guide wheel is rotatably provided on the second support.

[0008] Preferably, the bottom of the seat is provided with a slot, and an adjustable material rack is provided in the slot.

[0009] Preferably, an adjusting bolt is threaded to the bottom of the slot, and the end of the adjusting bolt abuts against the material rack.

[0010] Preferably, the bottom of the main frame is equipped with casters.

[0011] The beneficial effects of this utility model are as follows: by replacing the method of workers supporting themselves by their feet against the wall with an extendable outrigger, the fatigue caused by prolonged leg exertion is fundamentally avoided, allowing workers to focus more on operation; after the outrigger is extended, reliable support is formed by the stable cooperation of guide pins and slots, effectively reducing the swaying amplitude during the operation of the suspended platform, which not only improves the operation accuracy but also enhances the operation safety; at the same time, the outrigger can be quickly folded with a simple operation, and after folding, it is fastened with the support, reducing the risk of jamming with obstacles such as protrusions and grooves on the working surface during the lifting process, ensuring smooth lifting; and in the folded state, it occupies little space, making it easy for the suspended platform to be stored or transported on the ground, thus taking into account the support effect, operation convenience, and use safety. Attached Figure Description

[0012] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort.

[0013] Figure 1 This is a structural schematic diagram of a safety suspended platform device for working at heights according to the present invention.

[0014] Figure 2 This is another structural schematic diagram of a safety suspended platform device for working at heights according to the present invention.

[0015] Figure 3 This is a schematic diagram of the support component structure of a safety suspended platform device for working at heights according to this utility model.

[0016] The labels in the diagram represent: 1. Main frame; 2. Controller; 3. Seat; 4. Vertical rod; 5. First support; 6. First guide wheel; 7. Second guide wheel; 8. Hoist; 9. Base; 10. Support arm; 11. Connecting rod; 12. Guide pin; 13. Slide groove; 14. Pressure handle; 15. Torsion spring; 16. Slot; 17. Wheel frame; 18. Roller; 19. Safety lock; 20. Second support; 21. Third guide wheel; 22. Slot; 23. Material rack; 24. Adjusting bolt; 25. Caster wheel; 26. Support assembly. Detailed Implementation

[0017] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0018] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0019] The technical solution of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and 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 protection scope of this utility model.

[0020] See Figures 1 to 3As shown, the structure of this utility model is as follows: a safety suspended platform device for working at height, including a main frame 1 and a controller 2. A seat 3 is provided on the main frame 1. A hollow vertical rod 4 is provided in the middle of the seat 3. A first support 5 is provided at the top of the vertical rod 4. A first guide wheel 6 is rotatably provided on the first support 5. A second guide wheel 7 is rotatably provided on one side of the first guide wheel 6. A hoist 8 is provided at the bottom of the frame corresponding to the position of the vertical rod 4. The controller 2 is electrically connected to the hoist 8. Support components are provided on both sides of the seat 3. The support components include a base 9. A support arm 10 is hinged to one end of the base 9, and a connecting rod 11 is hinged to the other end. A guide pin 12 is provided at one end of the connecting rod 11. The support arm 10 is connected to the guide pin 12 along its... A groove 13 is provided along the length direction, and a guide pin 12 is movably disposed in the groove 13. A pressure handle 14 is hinged to the side of the support arm 10 near the base 9. A torsion spring 15 is provided at the hinge point between the pressure handle 14 and the support arm 10. The end of the pressure handle 14 is provided with a slot 16 that matches the guide pin 12. Specifically, the main wire rope passes between the first guide wheel 6 and the second guide wheel 7. The two work together to limit and guide the main wire rope. Then, the main wire rope passes through the interior of the hollow vertical rod 4 and finally connects to the hoist 8. The remote control is connected to the controller 2. Pressing the remote control controls the hoist 8 to drive the basket to rise and fall by retracting the main wire rope, ensuring that the wire rope is under stable force and runs smoothly during the lifting process. Seat 3 is for workers to sit on. The support components on both sides are used to enhance the stability between the basket and the building. When the support arm 10 is extended, the support arm 10 is rotated. The connecting rod 11, which is hinged to the other end of the base 9, rotates with the support arm 10, causing the guide pin 12 to slide in the slide groove 13 of the support arm 10. When the support arm 10 is fully extended, the pressure handle 14 rotates under the elastic force of the torsion spring 15. The end slot 16 engages with the guide pin 12, fixing the position of the guide pin 12 and keeping the support arm 10 in a stable support state. When folding the support arm 10, the support arm 10 is first rotated slightly along the extension direction of the support arm 10, causing the guide pin 12 to move forward in the slide groove 13 and disengage from the slot 16 of the pressure handle 14. Then, the pressure handle 14 is pressed to overcome the elastic force of the torsion spring 15, and the support arm 10 can be folded towards the base 9. After being fully folded, the support arm 10 is fastened to the support, reducing space occupation.

[0021] like Figure 2 , Figure 3 As shown, the support assembly also includes a wheel frame 17 disposed at the end of the support arm 10. Rollers 18 are rotatably mounted on the wheel frame 17. Specifically, when working on a relatively flat working surface, the rollers 18 on the wheel frame 17 roll out and contact the building surface when the support arm 10 is extended, so that the suspended platform can roll easily when moving or adjusting its position, reducing friction with the contact surface. This not only prevents the support arm 10 from scratching the building surface, but also makes the suspended platform smoother when lifting or fine-tuning its position, reducing operating resistance and improving the convenience of operation.

[0022] like Figure 1 , Figure 2As shown, a safety lock 19 is provided on the vertical rod 4, and a second support 20 is provided above the safety lock 19. A third guide wheel 21 is rotatably provided on the second support 20. Specifically, the auxiliary wire rope passes through the third guide wheel 21 on the second support 20 and then inserts into the safety lock 19. The third guide wheel 21 guides the auxiliary wire rope to ensure that it is subjected to reasonable force. In case of emergencies such as the main wire rope breaking or the hoist 8 malfunctioning and causing the basket to descend at excessive speed, the safety lock 19 can quickly lock the auxiliary wire rope to prevent the basket from falling and ensure the safety of the workers.

[0023] like Figure 1 , Figure 2 As shown, the bottom of the seat 3 is provided with a slot 22, and an adjustable material rack 23 is provided inside the slot 22. Specifically, the material rack 23 provides dedicated storage space for tools and materials, and its position can be adjusted within the slot 22. It can flexibly adapt to different storage sizes of tools and materials according to work needs, avoiding the risk of tools falling due to random placement, and making it convenient for workers to access them, thereby improving work efficiency. like Figure 1 As shown, the bottom of the slot 22 is threaded with an adjusting bolt 24. The end of the adjusting bolt 24 abuts against the material rack 23. Specifically, when the adjusting bolt 24 is loosened, the material rack 23 can slide along the slot 22. After adjusting to the position suitable for placing the item, the adjusting bolt 24 is tightened. The end of the adjusting bolt 24 firmly presses the material rack 23 into the slot 22, thus fixing the material rack 23 securely. The operation is simple and the fixation is reliable, meeting the item storage needs in different work scenarios.

[0024] like Figure 1 , Figure 2 As shown, the bottom of the main frame 1 is equipped with casters 25. Specifically, when the basket is on the ground or needs to be moved on the ground, the casters 25 can flexibly change the direction of movement, making it easy for operators to push the basket as a whole to the starting position of the operation or the storage area, reducing physical exertion during handling and improving the mobility of the device.

[0025] In practical use, the main wire rope is first passed between the first guide wheel 6 and the second guide wheel 7, and after being guided by the two guide wheels, it is passed into the hollow vertical rod 4 and finally connected to the hoist 8. The auxiliary wire rope passes through the third guide wheel 21 and is inserted into the safety lock 19 to form a safety guarantee. Then, the lifting and moving are carried out: at this time, the outrigger 10 is in a folded state. The controller 2 controls the hoist 8 to raise and lower the main wire rope. Under the guidance of the first guide wheel 6 and the second guide wheel 7, the hoist basket is smoothly raised and lowered to the working surface. After reaching the working surface, the outrigger 10 is unfolded: when the outrigger 10 is rotated, the connecting rod 11 hinged to the base 9 rotates with it, causing the guide pin 12 to slide in the slide groove 13 of the outrigger 10. When the outrigger 10 is fully unfolded, the pressure handle 14 rotates under the elastic force of the torsion spring 15, and the end slot 16 engages with the guide pin. Pin 12 is used to fix the support arm 10, which enhances the stability of the suspended platform and the working surface and facilitates operation. After the operation is completed, the support arm 10 is folded first: rotate the support arm 10 slightly in the unfolding direction to make the guide pin 12 disengage from the slot 16, press the handle 14 to overcome the elastic force of the torsion spring 15, fold the support arm 10 and fasten it with the support; then drive the suspended platform to lift and lower through the hoist 8. At this time, the folded support arm 10 can avoid collision or jamming with the protrusions or grooves of the working surface, prevent the wire rope from becoming unbalanced or the suspended platform from shaking, and ensure safety during the lifting process.

[0026] The present invention has been further described above with reference to specific embodiments. However, it should be understood that the specific description herein should not be construed as limiting the substance and scope of the present invention. Various modifications made by those skilled in the art to the above embodiments after reading this specification are all within the scope of protection of the present invention.

Claims

1. A safety suspended platform device for working at heights, characterized in that: The system includes a main frame (1) and a controller (2). A seat (3) is mounted on the main frame (1). A hollow vertical rod (4) is mounted in the middle of the seat (3). A first support (5) is mounted on the top of the vertical rod (4). A first guide wheel (6) is rotatably mounted on the first support (5). A second guide wheel (7) is rotatably mounted on one side of the first guide wheel (6). A hoist (8) is mounted at the bottom of the frame corresponding to the position of the vertical rod (4). The controller (2) is electrically connected to the hoist (8). Support components are mounted on both sides of the seat (3). The support components include a base. The base (9) has a support arm (10) hinged at one end and a connecting rod (11) hinged at the other end. One end of the connecting rod (11) is provided with a guide pin (12). The support arm (10) has a sliding groove (13) along its length direction. The guide pin (12) is movably disposed in the sliding groove (13). A pressure handle (14) is hinged on the side of the support arm (10) near the base (9). A torsion spring (15) is provided at the hinge point between the pressure handle (14) and the support arm (10). The end of the pressure handle (14) is provided with a slot (16) that matches the guide pin (12).

2. The safety suspended platform device according to claim 1, characterized in that: The support assembly also includes a wheel frame (17) disposed at the end of the arm (10), on which a roller (18) is rotatably mounted.

3. The safety suspended platform device according to claim 1, characterized in that: The vertical rod (4) is provided with a safety lock (19), and a second support (20) is provided above the safety lock (19). A third guide wheel (21) is rotatably provided on the second support (20).

4. The safety suspended platform device according to claim 1, characterized in that: The bottom of the seat (3) is provided with a slot (22), and a material rack (23) is adjustable inside the slot (22).

5. The safety suspended platform device according to claim 4, characterized in that: The bottom of the slot (22) is threaded with an adjusting bolt (24), the end of which abuts against the material rack (23).

6. The safety suspended platform device according to claim 1, characterized in that: The bottom of the main frame (1) is provided with casters (25).

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