Hydraulic support push rod
A technology of hydraulic supports and push rods, which is applied in pillars/supports, mining equipment, earthwork drilling and mining, etc. It can solve the problems of easy opening of welds, decreased strength, and low safety factor, so as to improve strength and service life, and manufacture The effect of simple process and high safety factor
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[0012] like figure 1 , figure 2 As shown, a hydraulic support push rod includes a push rod body 1 and reinforcement blocks 2 welded on both sides of the head of the push rod body 1, and a limit block 3 welded on the tail of the push rod body 1, which is welded on the push rod The guide plates 4 on both sides of the tail of the body 1, wherein the limit block 3 is provided with a pin hole 6, and the pin hole 6 runs through the tail of the push rod body 1, and the pin hole 6 is used to limit the connecting pin shaft, push The rod body 1 is forged as a whole. In order to solve the processing problem of the connecting notch between the tail of the push rod body and the push jack, during the forging process of the push rod body, one side of the notch at the tail of the push rod body 1 is opened, and after forging Carry out seal welding with paster plate 5. In use, push the base of the jack into the notch. The push rod is made of alloy structural steel with a yield point higher ...
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