Internal guide anti-rotation hydraulic cylinder
A hydraulic cylinder and internal guide technology, applied in the field of hydraulic cylinders, can solve the problems of high cost, achieve the effects of reducing equipment manufacturing costs, preventing rotation, and preventing lateral bending
Inactive Publication Date: 2018-09-04
XUZHOU YONGJIA HYDRAULIC EQUIP
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Problems solved by technology
[0002] Today, with the rapid development of the aluminum industry, in large aluminum factories, the lifting platform on the ingot casting machine is not allowed to rotate when it is lowered. The traditional solution is to have four guide columns on the four sides of the platform, and a lifting cylinder in the middle. The ingot lifting platform is not allowed to crawl when falling down, which requires very high machining accuracy of the hole distance corresponding to the four guide columns and the lifting platform, and the cost is relatively high
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[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0011] Such as figure 1 As shown, an internally guided anti-rotation hydraulic cylinder includes a cylinder body 1; a base 2 is fixed at the bottom of the cylinder body 1, and an end cover 4 is fixed at the top of the cylinder body 1; a piston rod 5 is installed in the cylinder body 1; the piston rod 5 A piston 6 is installed at the inner end, and the outer end of the piston rod 5 slides through the end cover 4 .
[0012] The inner end of the piston rod 5 has...
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The invention discloses an internal guide anti-rotation hydraulic cylinder, and belongs to the technical field of hydraulic cylinders. The internal guide anti-rotation hydraulic cylinder comprises a cylinder block, a base is fixed to the bottom of the cylinder block, an end cover is fixed to the upper portion of the cylinder block, a piston rod is installed in the cylinder block, a piston is installed at the inner end of the piston rod, the outer end of the piston rod penetrates the end cover in a sliding manner, a non-round blind hole is formed in the inner end of the piston rod, and a through hole opposite to the blind hole of the piston rod is formed in the base; and a guide rod is fixed into the through hole of the base, the inner end of the guide rod is in sliding connection into theblind hole of the piston rod, the cross section of the guide rod is matched with the cross section of the blind hole of the piston rod, the outer end of the piston rod is provided with a side air through way communicating with the blind hole of the piston rod, and an air filtering plug is installed at the outer end of the air through way. According to the internal guide anti-rotation hydraulic cylinder, guide of the piston rod is completed through the guide rod, rotation of the piston rod can be prevented, side bending of the piston rod of the hydraulic cylinder is effectively prevented, and meanwhile, the equipment manufacturing cost and the later-period maintaining cost are reduced.
Description
technical field [0001] The invention relates to the technical field of hydraulic cylinders, in particular to an internally guided anti-rotation hydraulic cylinder. Background technique [0002] Today, with the rapid development of the aluminum industry, in large aluminum factories, the lifting platform on the ingot casting machine is not allowed to rotate when it is lowered. The traditional solution is to have four guide columns on the four sides of the platform, and a lifting cylinder in the middle. The ingot lifting platform is not allowed to crawl when it is falling down, which requires that the hole spacing corresponding to the four guide pillars and the lifting platform be processed with very high precision, and the cost is relatively high. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides an internally guided anti-rotation hydraulic cylinder which has anti-rotation and guiding functions. [0004] The pr...
Claims
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IPC IPC(8): F15B15/14F15B15/20
CPCF15B15/1457F15B15/1423F15B15/20
Inventor 王世永
Owner XUZHOU YONGJIA HYDRAULIC EQUIP