Engineering machine counterweight and manufacturing method thereof
A technology of construction machinery and balance weight, applied in the direction of balance weight, etc., can solve the problems of no solution, reduce the optional range of internal core materials, etc., and achieve the effect of reducing metal consumption, good market application value, and low cost
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0030] A balance weight for construction machinery, including an inner core material 1 and an outer casting material 2, the outer casting material 2 wraps the inner core material 1, the inner core material 1 includes a combined split body, and the combined split body is in order from bottom to top Combined into the inner material to be poured, the outer pouring material 2 is poured on the outside of the inner core material 1 to form a whole.
[0031] The outer surface of the inner core material 1 is provided with reserved grooves 101 or reserved holes 102 .
[0032] The external casting material 2 forms reinforcing ribs or reinforcing fixing columns at the reserved grooves 101 or reserved holes 102 .
[0033] The inner core material 1 includes metal, non-metal or metal and non-metal mixture, or metal, non-metal and cement, glass water and other binders...
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