Small Jaw Crusher for Sale in China

The general type of ram arrangement for rotating the bowl has been referred to hereinabove generally as the type shown in U.S. Pat. No. 3,009,660, issued Nov. 21, 1961 and also U.S. Pat. No. 3,325,108, issued June 13, 1967. The ram rotating arrangemen for the bowl could as well be of the type shown in U.S. Pat. No. 3,396,915, issued Aug. 13, 1968.

A single ram, one on each side of the bowl, approximately 180° apart has been referred to as the bowl rotating arrangement. But dual rams might be used so that the bowl could be rotated either up or down without separate adjustment of the rams to reverse their direction of thrust. Double or dual rams normally include four rams, in pairs of two each, on opposite sides of the bowl about 180° apart,Small Jaw Crusher Manufacturer In India, such as shown in U.S. Pat. No. 3,570,774 issued Mar. 16, 1971 and U.S. Pat. No. 3,396,915, issued Aug. 13, 1968. An arrangement for dual rams has been shown in FIG. 4. One ram 100 is disposed to rotate the bowl in one direction, say, down, and the other 102 to rotate it in the other direction, say, up. There might be two rams for each direction and paired on opposite sides of the bowl, such as in U.S. Pat. No. 3,570,774. Since a good bit of what is shown in the FIG. 2 circuit is duplicated in FIG. 4, all of the parts will not be renumbered. A series of directional control valves 104, 106, 108, and 110 are shown which are connected to the pump by a supply line 112. Control valve 104 operates the cavity closing ram or rams 100 by lines 114 and 116 while valve 106 operates the cavity opening ram or rams 102 by lines 118 and 120. Directional control valve 108 operates the clearing jack system 122, if it is included like in FIG. 2 and not separate like in FIG. 3. And control valve 110 provides for a full unclamp through line 124 to the clamp cylinders 126. Four pilot operated normally open valves 128, 130, 132, and 134 are provided to isolate one ram system from the other and to prevent oil...