Abstract
The classifi cation is presented and the main designs of pullers designed for maintenance and repair of the chassis of middle class fi re trucks. The design of the puller was proposed, which differs from the existing analogues in smaller dimensions and weight with a constant load in the screw-nut transmission. The development of the device design was based on the use of materials with higher strength characteristics in a friction pair. A three-dimensional model is presented, which shows that the design of the device includes additional mounting holes for changing the confi guration of the grippers, and the puller screw is equipped with two socket wrench heads. The effi ciency of the developed design of the stripper was evaluated by the fi nite element method.
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