Hub assisting device for saving trapped vehicle
A technology of auxiliary devices and hubs, applied in the directions of wheels, wheel accessories, vehicle parts, etc., can solve the problems of inability to climb over obstacles, inconvenient maintenance and replacement, deep in obstacles, etc., and is conducive to popularization, application, manufacturing and installation. Convenience and the effect of improving the ability to get out of trouble
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Embodiment 1
[0021] According to attached figure 1 ~ attached image 3 , the wheel hub auxiliary device for vehicle escape in this embodiment is provided with two casters with the same structure, shape and size, which are respectively the first caster 3 and the second caster 4, and the two casters are symmetrically arranged on the auxiliary fixed hub 2 outer surfaces. The first caster 3 and the second caster 4 are respectively provided with fixed pin shaft holes, and the first caster 3 and the second caster are connected by the first fixed pin shaft 9 and the second fixed pin shaft 10 respectively. 4 is connected with the auxiliary fixed wheel hub 2, and can rotate around the fixed pin shaft respectively until contacting with another caster. When the two casters are in the folded state, the outer sides of the two casters are rounded after being folded, matching the size of the auxiliary fixed hub 2 .
[0022] The outer side of the first wheel foot 3 is in the shape of a semicircle, wher...
Embodiment 2
[0032] In this embodiment, the first caster 3 and the second caster 4 are independent components, and when work is required, they are directly symmetrically fixed to the auxiliary fixed hub 2 by the bolts in the corresponding first locking bolt group 11 and the second locking bolt group 12 The outer surface is unfolded, and it is ensured that each caster is fixed with 3 or more bolts, and at least 3 bolts used for fixing on each caster are not on the same straight line. After the work is finished, all the bolts in the locking bolt group are removed, and then the two wheel casters can be taken off.
[0033] Others are the same as embodiment 1.
Embodiment 3
[0035] In this embodiment, the auxiliary fixed hub 2 and the two casters are set as one-piece castings, and the two casters are directly in the unfolded state. When sleepy, the auxiliary fixed hub 2 is connected and fixed with the hub of the wheel 1 and can directly enter the working state. The advantage of this embodiment is that the auxiliary fixed wheel hub 2 and the two wheels are in a fixed connection state, and there is no need to consider the shape of the wheels after being folded, so that the two wheels can be set to a larger span, but the disadvantage is that in normal driving The auxiliary device must be removed to avoid affecting the vehicle's driving stability and driving experience.
[0036] Others are the same as embodiment 1.
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