High-altitude operation device with protection function

Abstract

The utility model discloses a high-altitude operation device with a protection function, which comprises a walking mechanism, a lifting mechanism fixedly arranged at the top of the walking mechanism, a lifting platform fixedly arranged at the top of the lifting mechanism and a protection mechanism fixedly arranged on the lifting platform, and the protection mechanism comprises four stand columns fixedly arranged at the four corners of the top of the lifting platform respectively. A height-adjustable protective fence is arranged between every two adjacent stand columns, and a protective top plate is fixedly arranged at the tops of the four stand columns. The height-adjustable protective fence is reasonable in structure, convenient to use and high in practicability, first protection is formed through the height-adjustable protective fence, an operator can adjust the height of the protective fence to the protective height suitable for himself / herself when the height-adjustable protective fence is used, and safety can be improved while the application range is widened. In addition, the two first anti-falling protection components and the two second anti-falling protection components are matched with each other, and second protection is formed on the periphery of the lifting platform, so that the safety of the lifting platform can be further improved.

Description

Technical Field

[0001] This utility model relates to a high-altitude work device, specifically a high-altitude work device with protective functions. Background Technology

[0002] Aerial work platforms are mobile mechanical equipment used to perform operations at a certain height. They can lift workers, tools, and materials to designated locations via a platform for construction, installation, maintenance, and other work. They are widely used due to their high safety, reliability, and efficiency.

[0003] Existing aerial work platforms typically include a traveling mechanism, a lifting mechanism fixed to the top of the traveling mechanism, a lifting platform fixed to the top of the lifting mechanism, and a safety mechanism fixed to the lifting platform. The safety mechanism consists of guardrails fixed around the lifting platform at a fixed height. This limits the effectiveness of existing safety mechanisms for workers of varying heights, resulting in a limited range of applications. In actual operation, taller workers often have their center of gravity above the guardrail height, increasing the risk of falls. This makes existing aerial work platforms unsafe and poses significant safety hazards. Summary of the Invention

[0004] To address the aforementioned shortcomings in the existing technology, this utility model aims to provide a high-altitude work device with protective functions, thereby expanding its application scope, improving its safety, and reducing safety hazards.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A high-altitude work device with protective function includes a traveling mechanism, a lifting mechanism fixed on the top of the traveling mechanism, a lifting platform fixed on the top of the lifting mechanism, and a protective mechanism fixed on the lifting platform. The protective mechanism includes four columns fixed at the four corners of the top of the lifting platform, and a height-adjustable guardrail is provided between each pair of adjacent columns. A protective top plate is fixed on the top of the four columns.

[0006] As a limitation of this utility model, the guardrail includes a lower horizontal bar fixed between the bottoms of two posts, an upper horizontal bar located above the lower horizontal bar and slidably connected between the two posts by a sliding member, and a plurality of telescopic bars fixed between the upper and lower horizontal bars at intervals.

[0007] As a further limitation of this utility model, the lifting platform includes a top plate, a middle plate and a bottom plate, with a first support column fixed at each of the four corners between the top plate and the middle plate, and a second support column fixed at each of the four corners between the middle plate and the bottom plate.

[0008] As a further limitation of this utility model, there are two first anti-fall protection components that can be positioned and slidably connected in the cavity between the top plate and the middle plate, and two second anti-fall protection components that can be positioned and slidably connected in the cavity between the middle plate and the bottom plate; the two first anti-fall protection components and the two second anti-fall protection components can be completely retracted into the corresponding cavities in the lifting platform; the two first anti-fall protection components can extend from the two short sides of the lifting platform respectively, and the two second anti-fall protection components can extend from the two long sides of the lifting platform respectively, so as to form anti-fall protection around the lifting platform.

[0009] As a further limitation of this utility model, the sliding component includes two sliding tracks that are oppositely embedded in two columns, each sliding track having a slider slidably connected therein, each slider having a locking screw, and the two ends of the upper crossbar being fixed to the two sliders respectively.

[0010] As another limitation of this utility model, two limiting components for restricting the movement of the walking mechanism are fixed on each of the two opposite sides of the walking mechanism; the limiting components include a mounting seat fixed on the walking mechanism, a hydraulic cylinder fixed on the mounting seat, and a support plate fixed on the power output end of the hydraulic cylinder, wherein the power output end of the hydraulic cylinder can move toward the ground and press against the ground.

[0011] By adopting the above-mentioned technical solution, the beneficial effects achieved by this utility model compared with the prior art are as follows:

[0012] (1) The protective mechanism in this utility model adopts a structure combining four columns, a height-adjustable guardrail and a protective top plate. When in use, the operator can adjust the height of the guardrail to a suitable protective height according to his own height. The protective top plate can prevent the operator from being injured by falling objects from above. This can improve the applicability and safety of this utility model and effectively reduce safety hazards.

[0013] (2) The guardrail structure of this utility model is simple and has low manufacturing cost. When using it, first release the lock on the sliding component, then lift the upper horizontal bar to the required height. At this time, the telescopic bar will extend upward to the corresponding height as the upper horizontal bar moves. Finally, lock the sliding component so that the guardrail can be positioned at the required height, which effectively improves the convenience and practicality of this utility model.

[0014] (3) When not in use, the two first anti-fall protection structures and two second anti-fall protection components on the lifting platform can be retracted into the cavity inside the lifting platform. When in use, they can extend from the cavity inside the lifting platform to the outside of the lifting platform and form anti-fall protection around the lifting platform. They can form a second layer of protection on the basis of the first layer of protection of the protective mechanism, which can further improve the safety of the present invention.

[0015] (4) The walking mechanism of this utility model is provided with four limiting components. After the walking mechanism moves to the designated position, the hydraulic cylinders in the four limiting components drive the support plate to move and press against the ground so that the wheels in the walking mechanism are lifted off the ground. At this time, the four limiting components can be stably supported on the ground, which can effectively improve the stability of this utility model when it is working.

[0016] In summary, this utility model has a reasonable structure, is convenient to use, and is highly practical. It forms the first line of protection with an adjustable-height guardrail, allowing workers to adjust the height to suit their individual needs. This enhances both the applicability and safety of the utility model, effectively reducing safety hazards. Furthermore, the utility model utilizes two first and two second fall protection components working together to form a second line of protection around the lifting platform, further improving its safety. This utility model is suitable for use during high-altitude operations. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the sliding component in an embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram showing the connection relationship between the middle layer plate, the first electric push rod, and the first fall protection component in an embodiment of this utility model;

[0021] Figure 4 This is a schematic diagram showing the connection relationship between the base plate, the second electric push rod, and the second fall protection component in this embodiment of the present invention;

[0022] In the diagram: 1. Traveling mechanism; 2. Lifting mechanism; 3. Column; 4. Lower crossbar;

[0023] 5. Sliding component; 51. Sliding track; 52. Slider; 53. Locking screw;

[0024] 6. Upper crossbar; 7. Telescopic bar; 8. Protective top plate; 9. Top plate; 10. Middle layer plate; 11. Bottom plate; 12. First electric actuator; 13. First fall protection component; 14. Second electric actuator; 15. Second fall protection component; 16. Mounting base; 17. Hydraulic cylinder; 18. Support plate. Detailed Implementation

[0025] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0026] Example 1: A high-altitude work device with protective function

[0027] like Figure 1 As shown, this embodiment includes a walking mechanism 1, a lifting mechanism 2 fixed on the top of the walking mechanism 1, a lifting platform fixed on the top of the lifting mechanism 2, and a protective mechanism fixed on the lifting platform, wherein the lifting mechanism 2 is an existing scissor lift device.

[0028] The protective mechanism includes four uprights 3 fixed at the four corners of the top of the lifting platform. The uprights 3 are square columns, and each pair of adjacent uprights 3 is equipped with a height-adjustable guardrail. A protective top plate 8 is fixed to the top of the four uprights 3. The protective top plate 8 is an inverted V-shaped plate, allowing objects to slide down the slope of the inverted V-shaped plate into either the first fall protection component 13 or the second fall protection component 15. Specifically, in this embodiment, the guardrail includes a lower crossbar 4 fixed between the bottoms of two uprights 3, an upper crossbar 6 slidably connected between the two uprights 3 and located above the lower crossbar 4 via a sliding member 5, and multiple telescopic rods 7 fixed at intervals between the upper crossbar 6 and the lower crossbar 4. Figure 2 As shown, the sliding component 5 includes two sliding rails 51 that are embedded in the two columns 3 respectively. Each sliding rail 51 has a slider 52 slidably connected in it. Each slider 52 has a locking screw 53. The two ends of the upper crossbar 6 are respectively fixed on the two sliders 52. The sliding rail 51 is a C-shaped channel steel, and the slider 52 is a rectangular block. The rectangular block is adapted to the C-shaped channel steel. When it is necessary to lock the rectangular block on the C-shaped channel steel, it is only necessary to tighten the locking screw 53. When it is necessary to unlock, it is only necessary to loosen the locking screw 53.

[0029] The lifting platform includes a top plate 9, a middle plate 10, and a bottom plate 11. All three plates are rectangular and identical in size. A first support column is fixed at each of the four corners between the top plate 9 and the middle plate 10, and a second support column is fixed at each of the four corners between the middle plate 10 and the bottom plate 11. Two first fall protection components 13 are slidably connected and positioned within the cavity between the top plate 9 and the middle plate 10, and two second fall protection components 15 are slidably connected and positioned within the cavity between the middle plate 10 and the bottom plate 11. The two first fall protection components 13 and the two second fall protection components 15 can be completely retracted into their respective cavities within the lifting platform. The two first fall protection components 13 extend from the two short sides of the lifting platform, and the two second fall protection components 15 extend from the two long sides of the lifting platform, thus forming fall protection around the entire circumference of the lifting platform. Specifically, in this embodiment, as... Figure 3 , Figure 4 As shown, two first electric actuators 12 are fixed on the top of the middle layer plate 10. Each first electric actuator 12 has a first fall protection component 13 fixed on its power output end. The first fall protection component 13 includes a rectangular frame and a fall protection net fixed in the rectangular frame. The thickness of the rectangular frame is adapted to the thickness of the cavity between the middle layer plate 10 and the top plate 9 so that the rectangular frame can slide in the cavity. One side of the rectangular frame is fixed to the power output end of the first electric actuator. The rectangular frame is made of plastic and the fall protection net is made of nylon. Two second electric actuators 14 are fixed on the top of the base plate 11. A second fall protection component 15 is fixed on the power output end of each second electric actuator 14. The structure of the second fall protection component 15 is the same as that of the first fall protection component 13. The thickness of the rectangular frame in the second fall protection component 15 is adapted to the thickness of the cavity between the middle plate 10 and the base plate 11 so that the rectangular frame can slide in the cavity. One side of the rectangular frame in the second fall protection component 15 is fixed to the power output end of the second electric actuator 14.

[0030] The traveling mechanism 1 is an existing drivable trolley, which can be driven by an operator standing on a lifting platform. Two limiting components are fixed to each of the two opposite sides of the traveling mechanism 1 to restrict its movement. The limiting components include a mounting base 16 fixed to the traveling mechanism 1, a hydraulic cylinder 17 vertically fixed to the mounting base 16, and a support plate 18 fixed to the power output end of the hydraulic cylinder 17. The power output end of the hydraulic cylinder 17 can move towards the ground and press against the ground to lift the wheels of the traveling mechanism 1 off the ground. The four hydraulic rods of the four hydraulic cylinders 17 can extend and retract synchronously.

[0031] In this embodiment, the operator carries the relevant tools and climbs onto the lifting platform. Then, the operator drives the traveling mechanism 1 to the desired work location, causing the four hydraulic cylinders 17 to operate until the four support plates 18 press against the ground and the wheels of the traveling mechanism 1 lift off the ground. It is necessary to ensure that all support plates 18 are firmly supported on the ground. Next, the two first fall protection components 13 and the two second fall protection components 15 extend from the lifting platform, forming fall protection around the platform. Then, the height of the four guardrails is adjusted sequentially. The method for adjusting the height of each guardrail is the same; here, we will describe the method for adjusting the height of one guardrail. Specifically, first, the locking of the sliding component 5 is released, and then the upper crossbar 6 is raised to the desired height. At this time, the telescopic rod 7 will extend upwards to the corresponding height as the upper crossbar 6 moves. Finally, the sliding component 5 is locked to limit the guardrail to the desired height. Then, the scissor lift device is activated, which can raise the operator to the desired height, allowing for work at a height.

[0032] It should be noted that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-altitude work device with protective function, comprising a traveling mechanism, a lifting mechanism fixed to the top of the traveling mechanism, a lifting platform fixed to the top of the lifting mechanism, and a protective mechanism fixed to the lifting platform, characterized in that: The protective mechanism includes four columns fixed at the four corners of the top of the lifting platform, with height-adjustable guardrails between each pair of adjacent columns, and a protective top plate fixed to the top of the four columns.

2. The high-altitude work device with protective function according to claim 1, characterized in that: The guardrail includes a lower horizontal bar fixed between the bottoms of two posts, an upper horizontal bar located above the lower horizontal bar and slidably connected between the two posts via a sliding member, and multiple telescopic bars fixed between the upper and lower horizontal bars at intervals.

3. A high-altitude work device with protective function according to claim 2, characterized in that: The lifting platform includes a top plate, a middle plate, and a bottom plate. A first support column is fixed at each of the four corners between the top plate and the middle plate, and a second support column is fixed at each of the four corners between the middle plate and the bottom plate.

4. A high-altitude work device with protective function according to claim 3, characterized in that: Two first fall protection components are slidably connected within the cavity between the top plate and the middle plate, and two second fall protection components are slidably connected within the cavity between the middle plate and the bottom plate. The two first fall protection components and the two second fall protection components can be completely retracted into the corresponding cavities in the lifting platform. The two first fall protection components can extend from the two short sides of the lifting platform, and the two second fall protection components can extend from the two long sides of the lifting platform, so as to form fall protection around the lifting platform.

5. A high-altitude work device with protective function according to claim 4, characterized in that: The sliding component includes two sliding tracks that are embedded in two opposing columns. Each sliding track has a slider that is slidably connected to it. Each slider has a locking screw. The two ends of the upper crossbar are respectively fixed to the two sliders.

6. A high-altitude work device with protective function according to any one of claims 1-5, characterized in that: Two limiting components for restricting the movement of the walking mechanism are fixed on each of the two opposite sides of the walking mechanism. The limiting components include a mounting base fixed on the walking mechanism, a hydraulic cylinder fixed on the mounting base, and a support plate fixed on the power output end of the hydraulic cylinder. The power output end of the hydraulic cylinder can move towards the ground and press against the ground so that the wheels of the walking mechanism are lifted off the ground.

Images