Auxiliary frame of wheel loader
A technology for wheel loaders and subframes, which is applied to vehicle parts, transportation and packaging, and substructures. It can solve problems such as subframe cracking and fracture, improve strength and stability, and improve stress distribution. The effect of meeting the strength requirements
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[0013] Example one
[0014] Such as image 3 with 4 As shown, the sub-frame of the wheel loader of the present invention is composed of a bottom plate 1, a cross beam 2, a connecting plate 3, and a block 6. The four bottom plates 1 are welded together through the cross beam 2 and the connecting plate 3. The holes on the bottom plate 1 are used for The rear axle is fixed, and the hinge pin hole 5 on the cross beam 2 is used to install the hinge pin, and the sub-frame and the rear frame are hinged together through the hinge pin.
[0015] The present invention combines the connecting plate 3 and the backing plate into one part, and there is a cut in the middle of the part to give way to the rear axle, so that the welding seam between the connecting plate 3 and the backing plate can be eliminated, thereby solving the problem of the connection plate 3 and the backing plate. Cracking of the weld between the plates.
[0016] In addition, a reinforcing plate 7 is added, which connects the ...
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