The wheelchair lift includes a platform and a movement mechanism, and the wheelchair is fixed on the lifting platform. The size of the platform can be designed as required and does not take up too much space. The movement mechanism can make the lifting platform move between different floors, and is characterized in that the wheelchair lift also includes:
1. A pair of left and right wheel support parts, when the wheelchair is fixed on the platform, the left and right wheels of the wheelchair are respectively positioned on the pair of left and right wheel support parts, and the wheel support parts are arranged on the platform surface of the platform, and wheelchair detection device, wheelchair detection The device can detect the downward displacement of the wheel support portion relative to the platform surface and recognize the positioning of the wheelchair on the wheel support portion, wherein the pair of left and right wheel support portions are configured to absorb vertical vibration caused by the wheelchair.
2. The wheel support part of the wheelchair elevator includes a wheel support plate, a support mechanism, a spring component and a locking mechanism. The wheels of the wheelchair are positioned on the wheel support plate. The support mechanism supports the wheel support plate to move vertically relative to the surface of the platform. When the plate is pressed down relative to the surface of the platform under the gravity of the wheelchair, the spring member is biased in the direction that makes the wheel support plate move upward, and the locking mechanism is configured to lock the wheel support plate so that the wheel support plate cannot be pressed down relative to the surface of the platform And the locking mechanism can unlock the wheel support plate.
3. The wheel support part of the wheelchair elevator includes an elastic block configured to be received in a groove part formed in the surface of the platform.
4. Each elastic block of the wheelchair lifter is composed of multiple laminated layers, where the upper layer is made of relatively hard material, and the lower layer is made of relatively soft material.
5. For wheelchair lifts, when the detection device detects a wheelchair, the motion mechanism changes the motion speed of the platform to a normal speed, and when the wheelchair detection device does not detect the wheelchair, the motion mechanism changes the motion speed of the platform to a speed higher than the normal speed.
6. The wheelchair lift motion mechanism includes a pair of left and right four nodes, a linkage mechanism, a hydraulic cylinder and a solenoid valve. The hydraulic cylinder can make the four-node linkage mechanism rotate vertically, and the solenoid valve can make the flow rate of the oil fed to the hydraulic cylinder be at Change between higher flow rate and lower flow rate.
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