Idle wheel for excavator for large scale mine
A technology for excavators and guide wheels, which is applied in the field of construction machinery and can solve problems such as harsh working conditions, inability to meet the use requirements of large mine excavators, large external loads and impacts, etc.
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[0025] In the following, the present invention will be further described through specific embodiments with reference to the accompanying drawings.
[0026] Such as figure 2 , image 3 As shown, a guide wheel for a large mining excavator includes a wheel body 1, a shaft 2, a shaft seat 3, and a shaft sleeve 4; the shaft sleeve 4 is installed in the center hole of the wheel body 1, and the shaft 2 is inserted into the shaft sleeve 4 The two ends of the shaft 2 are symmetrically provided with a shaft seat 3, and each shaft seat 3 is fixed with the shaft 2 through a pin 5; a spacer is provided between the shaft sleeve 4 and the wheel body 1. The plate 6 is sealed by the sealing assembly 7; the part where the wheel body 1 communicates with the sealing assembly 7 is opened with an oil passage Ⅰ8, and the shaft 2 is opened with an oil passage Ⅱ9, and both ends of the shaft 2 pass an O-ring 10 to prevent oil The cavity sees oil; the oil passage Ⅰ8 and the oil passage Ⅱ9 connect the ent...
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