Aerial work protection device
By adding components such as a support ring, a support unit, and a balance wheel to the high-altitude operation protection device, the problem of imbalance during the descent of construction workers has been solved, achieving higher safety and stability, and enabling a smooth descent to adapt to different terrains.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY LIUYUAN GRP CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-14
AI Technical Summary
Existing high-altitude work safety devices are prone to causing workers to lose balance during descent due to slipping or obstacles on the wall, posing a risk of twisting and impact, and threatening personal safety.
The safety belt is equipped with a support ring, a support section, and a balance wheel. The balance wheel abuts against the wall to provide balance support. The foot pedals and walking wheels work together to adapt to different terrains. The structure can be adjusted by the drive and locking components to accommodate different heights and obstacles.
It improves the balance, stability, and safety of construction workers during descent, reduces the risk of torsion and impact, and enhances the practicality and stability of its use.
Smart Images

Figure CN224484746U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of protective devices, and in particular to a protective device for high-altitude operations. Background Technology
[0002] Working at heights usually refers to work performed by construction workers at heights. Fall protection devices are devices that protect workers at heights from the threat of falling from heights or protect them from further injury after a fall has occurred.
[0003] The protective devices in related technologies typically include a rope and a safety belt. The safety belt is located at the bottom of the rope. After the construction worker wears the safety belt, the rope is laid out using a line-laying device to control the worker's descent.
[0004] During the descent, construction workers need to use their feet to brace themselves against the wall to maintain balance. However, if their feet slip or they are affected by obstacles on the wall, they are likely to lose their balance. In this case, they may twist or even collide with the wall, threatening their personal safety. This issue needs improvement. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a high-altitude operation protection device that can improve the protection effect for construction workers and ensure their personal safety.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a high-altitude operation protection device, including a rope and a safety belt, the protection device further including an annular receiving ring, the hip strap of the safety belt being fixed to the lower end of the receiving ring, the shoulder strap of the safety belt being fixed to the upper end of the receiving ring, and after the construction worker wears the safety belt, the receiving ring is located at the waist of the construction worker, and the two ends of the front side wall of the receiving ring are respectively horizontally provided with support parts, and the front ends of the two support parts are respectively rotatably connected to balance wheels, and the balance wheels can abut against the wall surface.
[0007] In a preferred embodiment, the present invention can be further configured such that: the two ends of the bottom of the receiving ring are respectively hinged to receiving parts, the bottom ends of the two receiving parts are connected by a horizontally arranged receiving shaft, the two ends of the receiving shaft are respectively fixedly connected to foot pedals, the front ends of the two foot pedals are respectively fixedly connected to elastic anti-slip blocks, and the anti-slip blocks can abut against the wall.
[0008] In a preferred embodiment, the present invention can be further configured such that: the two ends of the receiving shaft are rotatably connected to the corresponding receiving parts, the bottoms of the two foot pedals are respectively fixedly connected to support frames, and the two support frames are respectively rotatably connected to walking wheels. When the construction worker's feet dorsiflex, the foot pedals rotate and the anti-slip block separates from the wall, and the walking wheels abut against the wall.
[0009] In a preferred embodiment, the present invention can be further configured as follows: the two receiving parts each include a vertically arranged receiving tube and a receiving rod; the two receiving tubes are respectively hinged to the receiving ring; the two receiving rods are respectively slidably connected to the corresponding receiving tubes; the two ends of the receiving shaft are respectively rotatably connected to the corresponding receiving rods; and a locking member is provided between the receiving tube and the corresponding receiving rod, the locking member being used to fix the corresponding receiving rod.
[0010] In a preferred embodiment, the present invention can be further configured such that: the locking member includes a locking screw threaded onto the receiving tube, the side wall of the receiving rod is provided with a plurality of locking grooves at equal intervals along its length, and the locking screw can be threaded into any of the locking grooves.
[0011] In a preferred embodiment, the present invention can be further configured as follows: the two supporting parts each include a horizontally arranged supporting tube and a supporting rod, the two supporting tubes are respectively fixedly connected to the receiving ring, the two supporting rods are respectively slidably connected to the corresponding supporting tubes, the two balance wheels are respectively rotatably connected to the corresponding supporting rods, and a driving member is provided between the two supporting tubes, the driving member being used to control the two supporting rods to perform synchronous telescopic movements.
[0012] In a preferred embodiment, the present invention can be further configured such that the two support tubes are connected by a horizontally arranged support shaft, and the support tubes are connected to the receiving ring by a plurality of reinforcing ribs.
[0013] In a preferred embodiment, the present invention can be further configured as follows: both ends of the support shaft are respectively inserted into the corresponding support tubes and rotatably connected to the support tubes; the driving component includes two driving gears respectively fixedly sleeved on the corresponding ends of the support shaft; driving racks are respectively horizontally fixedly connected to the two support rods, and the driving gears mesh with the corresponding driving racks; a U-shaped driving rod is fixedly connected to the support shaft; when the construction worker pulls the driving rod backward, the two support rods extend synchronously; a limiting component is provided between the support shaft and the two support tubes, and the limiting component is used to restrict the rotation of the support shaft.
[0014] In a preferred embodiment, the present invention can be further configured as follows: the limiting member includes two limiting toothed rings respectively fixed on the corresponding supporting tubes, and limiting gears are respectively sleeved on both ends of the supporting shaft, and the limiting gears and the supporting shaft are slidably engaged by limiting keys and limiting grooves;
[0015] Electric push rods are fixedly connected to both ends of the support shaft, and the telescopic end of the electric push rod is fixedly connected to the corresponding limit gear. A button switch and a controller are provided on the drive rod, and the button switch and the two electric push rods are respectively connected to the controller.
[0016] When the construction worker presses the button switch, the controller controls the two electric push rods to retract synchronously and causes the two limit gears to separate from the corresponding limit gear rings respectively.
[0017] When the construction worker releases the button switch, the controller controls the two electric push rods to extend synchronously, and causes the two limit gears to mesh with the corresponding limit rings.
[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0019] 1. By adding a support ring, support part and balance wheel to the safety belt, and the balance wheel can abut against the wall, when the construction worker descends, the two balance wheels keep abutting against the wall to achieve balanced support for the construction worker, reduce the risk of the construction worker twisting and hitting the wall, thereby improving the protection effect for the construction worker and ensuring the personal safety of the construction worker.
[0020] 2. By setting up support parts and foot pedals, the system provides support for the workers' feet, allowing them to exert force when working, thus facilitating their work and improving its practicality.
[0021] 3. By utilizing the walking wheels at the bottom of the foot pedal and the horizontally moving balance wheels, the protective device can overcome obstacles on the wall while ensuring the balance support for construction workers, thus improving its stability. Attached Figure Description
[0022] Figure 1 This is a structural schematic diagram of an embodiment;
[0023] Figure 2 This is a schematic diagram of the receiving ring in the embodiment;
[0024] Figure 3 This is a cross-sectional view of the receiving part in the embodiment;
[0025] Figure 4This is a schematic diagram of the receiving ring in the embodiment;
[0026] Figure 5 yes Figure 4 An enlarged schematic diagram of region A in the middle.
[0027] The attached diagram uses the following labels: 1-rope section, 2-safety belt, 3-receiving ring, 4-support section, 41-support tube, 42-support rod, 5-balance wheel, 6-receiving section, 7-receiving shaft, 8-foot pedal, 9-anti-slip block, 10-support frame, 11-traveling wheel, 12-locking component, 13-drive component, 14-support shaft, 15-reinforcing rib, 16-limiting component, 61-receiving tube, 62-receiving rod, 121-locking screw, 122-locking groove, 131-drive gear, 132-drive rack, 133-drive rod, 161-limiting gear ring, 162-limiting gear, 163-electric push rod, 164-button switch, 165-controller. Detailed Implementation
[0028] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art. It should be noted that, without conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0029] Reference Figure 1 A high-altitude work safety device includes a rope section 1 and a safety belt 2, with the safety belt 2 located at the bottom of the rope section 1. The safety device also includes a ring-shaped metal support ring 3. The hip strap of the safety belt 2 is fixed to the lower end of the support ring 3, and the shoulder strap of the safety belt 2 is fixed to the upper end of the support ring 3. When the worker wears the safety belt 2, the support ring 3 is located at the worker's waist.
[0030] Reference Figure 1 , Figure 2 Support parts 4 are horizontally arranged at both ends of the front side wall of the receiving ring 3. The front ends of the two support parts 4 are rotatably connected to balance wheels 5, and the balance wheels 5 can abut against the wall to achieve balanced support for the construction personnel. The balance wheels 5 can rotate when the construction personnel descend.
[0031] By adding a receiving ring 3, a support part 4, and balance wheels 5 to the safety belt 2, and ensuring that the balance wheels 5 can abut against the wall, the two balance wheels 5 maintain contact with the wall when the construction worker descends, providing balanced support and allowing the worker to descend smoothly in the vertical direction. This design reduces the risk of the construction worker twisting and colliding with the wall during descent, thereby improving the protection effect and ensuring the personal safety of the construction worker.
[0032] Reference Figure 1 The bottom of the receiving ring 3 is hinged at both ends with receiving parts 6, and the bottom ends of the two receiving parts 6 are connected by a horizontally set receiving shaft 7 to improve structural stability. At the same time, foot pedals 8 are fixedly connected to both ends of the receiving shaft 7 for construction workers to step on. Meanwhile, elastic anti-slip blocks 9 are fixedly connected to the front ends of the two foot pedals 8, and the anti-slip blocks 9 can abut against the wall.
[0033] When construction workers are carrying out construction work, the anti-slip block 9 abuts against the wall and the foot pedal 8 provides support for the workers' feet, allowing them to exert force and thus facilitating their work and improving practicality.
[0034] Reference Figure 1 The two ends of the receiving shaft 7 are rotatably connected to the corresponding receiving parts 6. The bottom of the two foot pedals 8 are fixedly connected to the support frame 10, and the two support frames 10 are rotatably connected to the walking wheels 11. When the construction worker's feet dorsiflex, the foot pedal 8 rotates and the anti-slip block 9 separates from the wall, and the walking wheels 11 abut against the wall.
[0035] As the worker descends, their body leans slightly backward, causing their feet to automatically dorsiflex (heels down, toes up). At this time, the foot pedal 8 drives the support shaft 14 and the traveling wheels 11 to rotate. When the anti-slip block 9 separates from the wall, the traveling wheels 11 come into contact with the wall. Subsequently, during the worker's descent, the two traveling wheels 11 and the two balance wheels 5 form a four-point support, ensuring a smooth vertical descent.
[0036] Reference Figure 1 , Figure 3The two receiving parts 6 each include a vertically arranged receiving pipe 61 and a receiving rod 62. The two receiving pipes 61 are hinged to the receiving ring 3, and the two receiving rods 62 are slidably connected to their respective receiving pipes 61. Both ends of the receiving shaft 7 are rotatably connected to their respective receiving rods 62. A locking element 12 is provided between the receiving pipe 61 and the corresponding receiving rod 62 to fix the corresponding receiving rod 62. This design allows the overall length of the receiving part 6 to be adjusted, thus adapting to construction workers of different heights and improving usability.
[0037] Reference Figure 1 , Figure 3 The locking component 12 includes a locking screw 121 threaded onto the receiving tube 61. The side wall of the receiving rod 62 is provided with a plurality of locking grooves 122 at equal intervals along its length direction, and the locking screw 121 can be threaded into any locking groove 122, thereby realizing the quick locking and unlocking of the receiving rod 62.
[0038] Reference Figure 1 , Figure 2 Each of the two support parts 4 includes a horizontally arranged support tube 41 and a support rod 42. The two support tubes 41 are fixedly connected to the receiving ring 3, and the two support rods 42 are slidably connected to the corresponding support tubes 41. The two balance wheels 5 are rotatably connected to the corresponding support rods 42. At the same time, a driving member 13 is provided between the two support tubes 41, which is used to control the synchronous extension and retraction of the two support rods 42.
[0039] When construction workers are descending, if the angle of their backward lean is large, the two support rods 42 can be extended synchronously by the drive component 13 to ensure that the two traveling wheels 11 and the two balance wheels 5 are always in contact with the wall. At the same time, construction workers can also control the distance between themselves and the wall by adjusting the extension and retraction stroke of the support rods 42.
[0040] Furthermore, if there are protrusions or obstacles on the wall, construction workers can control the foot pedals 8 and other components to swing, causing the two wheels 11 to separate from the wall. At this time, the two balance wheels 5 provide balance support for the construction workers. When the two wheels 11 pass over the obstacle, the foot pedals 8 and other components can be controlled to swing in the opposite direction, causing the two wheels 11 to re-engage with the wall.
[0041] Subsequently, the two support rods 42 can be retracted via the drive unit 13, causing the two balance wheels 5 to separate from the wall. When the two balance wheels 5 pass over the obstacle, the two support rods 42 can be extended via the drive unit 13, causing the two balance wheels 5 to re-engage with the wall. This design ensures that during the process of the protective device passing over the obstacle on the wall, there are always two sets of wheels in contact with the wall, providing balance support for the construction personnel and ensuring a smooth descent.
[0042] Reference Figure 2 , Figure 4 The two support pipes 41 are connected by a horizontally arranged support shaft 14, and the support pipes 41 are connected to the receiving ring 3 by multiple reinforcing ribs 15 to improve structural stability, thereby reducing the risk of breakage of components such as the support pipes 41 and improving the stability of the protective device.
[0043] Reference Figure 4 , Figure 5 The two ends of the support shaft 14 are respectively inserted into the corresponding support tube 41 and rotatably connected to the support tube 41. The drive component 13 includes two drive gears 131 respectively fixedly sleeved on the corresponding ends of the support shaft 14. The two support rods 42 are respectively horizontally fixedly connected to drive racks 132, and the drive gears 131 mesh with the corresponding drive racks 132.
[0044] Reference Figure 4 , Figure 5 A U-shaped drive rod 133 is fixedly connected to the support shaft 14. When the construction worker pulls the drive rod 133 backward, the two support rods 42 extend synchronously. When the construction worker pushes the drive rod 133 forward, the two support rods 42 retract synchronously. At the same time, a limiting member 16 is provided between the support shaft 14 and the two support tubes 41, and the limiting member 16 is used to restrict the rotation of the support shaft 14.
[0045] When construction workers are lowering themselves, the automatic mechanism pulls the drive rod 133 backward during the backward movement, causing the support rod 42 to extend and ensure that the balance wheel 5 remains stably in contact with the wall. This design also better conforms to the ergonomics and habits of construction workers, improving user comfort.
[0046] Reference Figure 4 , Figure 5 The limiting member 16 includes two limiting gear rings 161 respectively fixed on the corresponding support tubes 41. The two ends of the support shaft 14 are respectively fitted with limiting gears 162, and the limiting gears 162 and the support shaft 14 are slidably engaged by limiting keys and limiting grooves. That is, the inner wall of the limiting gear 162 is fixedly connected to the limiting key, and the supporting shaft 14 is provided with limiting grooves so that the limiting gears 162 can only slide along the axial direction of the supporting shaft 14.
[0047] Reference Figure 4 , Figure 5 Electric push rods 163 are fixedly connected to both ends of the support shaft 14, and the telescopic ends of the electric push rods 163 are fixedly connected to the corresponding limit gears 162, so that the limit gears 162 are separated from or engaged with the limit gear rings 161. A push button switch 164 and a controller 165 are provided on the drive rod 133, and the push button switch 164 and the two electric push rods 163 are respectively connected to the controller 165.
[0048] When the construction worker presses the button switch 164, the controller 165 controls the two electric push rods 163 to retract synchronously, and causes the two limit gears 162 to disengage from the corresponding limit rings 161. When the construction worker releases the button switch 164, the controller 165 controls the two electric push rods 163 to extend synchronously, and causes the two limit gears 162 to engage with the corresponding limit rings 161.
[0049] The specific embodiments are merely explanations of this utility model and are not intended to limit it. After reading this specification, those skilled in the art can make modifications to these embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this utility model.
Claims
1. A high-altitude work safety device, comprising a rope section (1) and a safety belt (2), characterized in that: The protective device also includes an annular receiving ring (3). The hip strap of the safety belt (2) is fixed to the lower end of the receiving ring (3), and the shoulder strap of the safety belt (2) is fixed to the upper end of the receiving ring (3). After the construction worker wears the safety belt (2), the receiving ring (3) is located at the waist of the construction worker. Support parts (4) are horizontally arranged at both ends of the front side wall of the receiving ring (3). The front ends of the two support parts (4) are rotatably connected to balance wheels (5), and the balance wheels (5) can abut against the wall.
2. The high-altitude work protection device according to claim 1, characterized in that: The receiving ring (3) has receiving parts (6) hinged at both ends of its bottom. The bottom ends of the two receiving parts (6) are connected by a horizontally set receiving shaft (7). Foot pedals (8) are fixedly connected to both ends of the receiving shaft (7). Elastic anti-slip blocks (9) are fixedly connected to the front ends of the two foot pedals (8), and the anti-slip blocks (9) can abut against the wall.
3. A high-altitude work protection device according to claim 2, characterized in that: The two ends of the receiving shaft (7) are rotatably connected to the corresponding receiving part (6). The bottom of the two foot pedals (8) are respectively fixedly connected to the support frame (10). The two support frames (10) are respectively rotatably connected to the walking wheel (11). When the construction worker's foot dorsiflexes, the foot pedal (8) rotates and the anti-slip block (9) separates from the wall, and the walking wheel (11) abuts against the wall.
4. A high-altitude work protection device according to claim 3, characterized in that: The two receiving parts (6) each include a vertically arranged receiving tube (61) and a receiving rod (62). The two receiving tubes (61) are respectively hinged to the receiving ring (3), and the two receiving rods (62) are respectively slidably connected to the corresponding receiving tubes (61). The two ends of the receiving shaft (7) are respectively rotatably connected to the corresponding receiving rods (62). A locking member (12) is provided between the receiving tube (61) and the corresponding receiving rod (62), and the locking member (12) is used to fix the corresponding receiving rod (62).
5. A high-altitude work protection device according to claim 4, characterized in that: The locking component (12) includes a locking screw (121) threaded onto the receiving tube (61). The sidewall of the receiving rod (62) is provided with a plurality of locking grooves (122) at equal intervals along its length, and the locking screw (121) can be threaded into any of the locking grooves (122).
6. A high-altitude work safety device according to claim 1, characterized in that: The two support parts (4) each include a horizontally arranged support tube (41) and a support rod (42). The two support tubes (41) are fixedly connected to the receiving ring (3). The two support rods (42) are slidably connected to the corresponding support tubes (41). The two balance wheels (5) are rotatably connected to the corresponding support rods (42). A driving member (13) is provided between the two support tubes (41). The driving member (13) is used to control the two support rods (42) to perform synchronous telescopic movements.
7. A high-altitude work protection device according to claim 6, characterized in that: The two support tubes (41) are connected by a horizontally arranged support shaft (14), and the support tubes (41) are connected to the receiving ring (3) by a plurality of reinforcing ribs (15).
8. A high-altitude work protection device according to claim 7, characterized in that: Both ends of the support shaft (14) are respectively inserted into the corresponding support tubes (41) and rotatably connected to the support tubes (41). The driving component (13) includes two driving gears (131) respectively fixedly sleeved on the corresponding ends of the support shaft (14). Two driving racks (132) are respectively horizontally fixedly connected to the two support rods (42), and the driving gears (131) mesh with the corresponding driving racks (132). A U-shaped driving rod (133) is fixedly connected to the support shaft (14). When the construction personnel pull the driving rod (133) backward, the two support rods (42) extend synchronously. A limiting component (16) is provided between the support shaft (14) and the two support tubes (41), and the limiting component (16) is used to restrict the rotation of the support shaft (14).
9. A high-altitude work protection device according to claim 8, characterized in that: The limiting member (16) includes two limiting toothed rings (161) respectively fixed on the corresponding support tube (41), and limiting gears (162) are respectively sleeved on both ends of the support shaft (14), and the limiting gears (162) and the support shaft (14) are slidably engaged by limiting key and limiting groove; Electric push rods (163) are fixedly connected to both ends of the support shaft (14), and the telescopic end of the electric push rod (163) is fixedly connected to the corresponding limiting gear (162). A button switch (164) and a controller (165) are provided on the drive rod (133). The button switch (164) and the two electric push rods (163) are respectively connected to the controller (165). When the construction worker presses the button switch (164), the controller (165) controls the two electric push rods (163) to retract synchronously, and causes the two limiting gears (162) to separate from the corresponding limiting gear rings (161); When the construction worker releases the button switch (164), the controller (165) controls the two electric push rods (163) to extend synchronously, and causes the two limiting gears (162) to mesh with the corresponding limiting gear rings (161) respectively.