一种安全带坠落模拟装置

Abstract

本实用新型涉及坠落模拟技术领域，公开了一种安全带坠落模拟装置，包括底座、支架，所述底座上固接有保护壳，同时底座的两端设有第一滑槽，所述第一滑槽内安装有用于控制坠落速度的坠落模拟机构；所述坠落模拟机构包括电机，且电机固接于保护壳内，同时电机的输出端固接有双向螺纹杆，并且电机的输出端贯穿转动连接于第一滑槽内。本实用新型中，通过电机驱动双向螺纹杆转动，能带动螺纹块进行相对或相向运动，进而通过支撑连杆推动盖板在箱体内平稳升降，这一过程可精准控制盖板的下降速度，完美模拟不同场景下的坠落过程，为安全带的性能测试或人员坠落体验提供了稳定且可控的模拟环境，同时能够精准的卡时间点，提高测试的精准度。

Claims

1. A safety belt falling simulation device, comprising a base (1), a support (5), a protective shell (2) is fixed on the base (1), and first sliding grooves (3) are arranged at both ends of the base (1), characterized in that: The first chute (3) is equipped with a fall simulation mechanism (4) for controlling the fall speed; The fall simulation mechanism (4) includes a motor (41), which is fixedly connected to the protective shell (2). At the same time, the output end of the motor (41) is fixedly connected to a bidirectional threaded rod (42), and the output end of the motor (41) is rotatably connected to the first slide groove (3). The end of the bidirectional threaded rod (42) away from the motor (41) is rotatably connected to the first slide groove (3). At the same time, the two ends of the bidirectional threaded rod (42) are respectively threadedly connected to threaded blocks (43). A support connecting rod (44) is hinged on the threaded block (43). A box (45) is fixedly connected to the base (1). A cover plate (46) is slidably connected inside the box (45). The end of the support connecting rod (44) away from the threaded block (43) is hinged to the cover plate (46).

2. A harness fall simulation device according to claim 1, wherein: The base (1) has a groove (47), and a connecting shaft (48) is rotatably connected through the groove (47). A fourth pulley (423) is fixedly connected through the connecting shaft (48). A first transmission belt (49) is meshed with the fourth pulley (423), and a first pulley (410) is meshed with the end of the first transmission belt (49) away from the fourth pulley (423). The first pulley (410) is fixedly connected through the first pulley to a bidirectional threaded rod (42). A second pulley (411) is fixedly connected through the end of the connecting shaft (48) away from the fourth pulley (423). A second transmission belt (412) is engaged with the pulley (411), and a third pulley (413) is engaged with the end of the second transmission belt (412) away from the second pulley (411). A drive shaft (414) is fixedly connected through the third pulley (413). Side plates (6) are fixedly connected to both sides of the bracket (5). A housing (415) is fixedly connected through a set of side plates (6). The drive shaft (414) is mounted on the housing (415). A fan blade (416) for simulating natural wind is fixedly connected to the end of the drive shaft (414) away from the third pulley (413).

3. A harness fall simulation device according to claim 2, wherein: A sliding rod (417) is fixedly connected in the first sliding groove (3), and a driven slider (418) is slidably connected through the sliding rod (417). The driven slider (418) is slidably connected in the first sliding groove (3), and a driven connecting rod (419) is hinged on the driven slider (418). The end of the driven connecting rod (419) away from the driven slider (418) is hinged to the cover plate (46).

4. A harness fall simulation device according to claim 3, wherein: The box (45) is provided with a square opening (420), and the supporting connecting rod (44) and the driven connecting rod (419) both pass through the square opening (420).

5. A harness fall simulation device according to claim 4, wherein: The housing (45) is provided with a guide groove (421), and the guide groove (421) limits and guides the lifting and lowering of the cover plate (46) through the internal sliding follower slider (422). At the same time, the end of the follower slider (422) away from the guide groove (421) is fixed to the cover plate (46).

6. A harness fall simulation device according to claim 5, wherein: The side plate (6) is provided with a second slide groove (7), and an auxiliary mechanism (8) for assisting personnel to stabilize their body is installed in the second slide groove (7). The auxiliary mechanism (8) includes a grip (81), and the two ends of the grip (81) are respectively fixed to a first slider (82). The two sets of first sliders (82) are slidably connected in the second slide groove (7). At the same time, a damping rod (83) is fixed on one set of first sliders (82). The end of the damping rod (83) away from the first slider (82) is fixed in the second slide groove (7). A spring (84) is sleeved on the damping rod (83). At the same time, the two ends of the spring (84) are respectively fixed to the second slide groove (7) and the first slider (82).

7. A harness fall simulation device according to claim 6, wherein: The top of the bracket (5) is equipped with a rope release mechanism (9) for releasing the rope, and a hoisting rope (10) is installed inside the release mechanism (9). The hoisting rope (10) is slidably connected to the bracket (5). The end of the hoisting rope (10) away from the release mechanism (9) is equipped with a safety belt (11) for personnel to wear via a hook.

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