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Wheelchair wheelbase adjustment tips

A sports wheelchair is one of the most commonly used assistive devices for people with physical disabilities, and the size of the wheelchair wheelbase affects the size of the wheelchair's radius of rotation and the stability and flexibility of its operation. Share knowledge about wheelchair wheelbase adjustment for sports wheelchairs.
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The wheelchair wheelbase is the vertical distance between the wheelchair drive wheel axis and the steering wheel (backward) axis to the ground projection. If the wheelchair has a long wheelbase, it means that the wheelchair has a larger radius of gyration, high wheelchair stability, and less flexibility.

It is generally not advocated that users make their own adjustments to the wheelchair’s wheelbase. However, under the premise of meeting specific physical conditions, wheelchair users can make adjustments to shorten the wheelbase according to actual needs (including living environment conditions).

wheelchair wheelbase

Physical conditions that must be met by wheelchair users: good sitting balance, strong upper limb strength, and control, better motor balance, etc.

Adjustment of wheelbase operation procedure

  1. Disassemble the drive wheel (quick release wheel disassembly by pressing the quick-release button, non-quick release wheel needs to use a wrench to remove the fixing bolt).
  2. Disassemble the axle sleeve. Remove the bushing fixing bolts and remove the clamps at the same time.
  3. Adjust the drive wheel shaft center to the appropriate position and reinstall the bushing. Place the clamp on the bore to be adjusted and align the bore, insert the bushing into the bore, place the spacer and tighten the fixing bolt.
  4. Adjust the brake position. Loosen the fixing screw of the brake so that the brake can move back and forth (in general, the brake can not be disassembled).
  5. Adjust the position of the side shield. Remove the fixing screw of the side shield, adjust the side shield so that it is at the same position and angle as the drive wheel, and tighten the fixing screw.
wheelchairs wheelbase

Note: The axle sleeve is divided into inside and outside, and the one with the quick release axle slot is the inside. Under the premise of ensuring safety, the axle can be adjusted according to the existing axle hole position according to the demand.


Youjie Tech

Youjie Tech

Hello, I’m Youjie Tech, the author of this article. I have been running a medical device factory in China for 11 years and this article is intended to share medical knowledge with you. The view of Chinese suppliers.

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