Multifunctional rescue stretcher and use method thereof
A stretcher car, multi-functional technology, applied in stretchers, vehicle ambulance, medical transportation and other directions, can solve problems such as inability to overcome severe shocks
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[0020] The multifunctional rescue stretcher trolley of the present invention includes two parallel main poles 1 and a tripod 2 hinged on the lower part of the main pole 1. A foldable tripod connecting rod 3 is hinged between the tripod 2 and the main pole 1. The lower part of the foot frame 2 is provided with a wheel frame 5 for mounting wheels 4, and a spring 6 is provided between the wheel frame 5 and the lower part of the foot frame 2.
[0021] Further, in order to realize the anti-reverse function, a ratchet and pawl mechanism 7 is provided between the wheel frame and the wheel.
[0022] Further, for a reasonable design, the above-mentioned wheel 4 includes a rim 401 arranged on both sides and a ratchet 402 arranged between the two rims. The wheel frame 5 is provided with a pawl whose end is clamped on the ratchet 402. 8. A compression spring 9 is provided between the end of the pawl 8 and the wheel frame 5. The rims 401 and the ratchet wheels 402 on both sides are connected t...
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