Oil cylinder seal service life testing device
A testing device and oil cylinder sealing technology, which is applied in the direction of fluid pressure actuating device, fluid pressure actuating system testing, and mechanical equipment, etc., can solve problems such as the service life of inspection seals, the inability to reasonably estimate the life of oil cylinder seals, and the inability to analyze reasonably and accurately. , to solve the leakage problem, the structure is simple, and the service life is improved.
Pending Publication Date: 2018-01-26
阳泉煤业集团华越机械有限公司
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Problems solved by technology
However, the actual working condition of the oil cylinder has a certain eccentric external load, so the existing seal inspection device cannot simulate the actual working condition to test the service life of the seal
When seal leakage occurs, the cause of seal damage cannot be reasonably and accurately analyzed, and the cylinder seal life cannot be reasonably estimated
Method used
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Embodiment Construction
[0010] The present invention is used in conjunction with the column test bench, and the movable beam I (1) and movable beam II (5) of the present invention can be directly put into a suitable position of the column test bench. The fixed frame (7) is connected as a whole with the column test bench by the base plate (3), the vertical plate (10) and bolts. The hinged lug I (2) is fixed on the movable beam I (1) by bolts, the cylinder bottom end of the tested jack (4) is connected with the hinged lug I (2) through a pin shaft, and the piston of the tested jack (4) One end of the rod is connected with the pressure block (15) at one end of the sliding block (6) through a pin; The hinged ear seat II (9) is connected, one end of the piston rod of the accompanying test jack (8) is connected to the pressure block at the other end of the sliding block (6), and the two ends of the sliding block (6) are respectively connected to the test jack (4) and the accompanying test Very heavy (8), ...
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The invention discloses an oil cylinder seal service life testing device and aims to achieve convenience and rapidness and to simulate the actual working conditions. The oil cylinder seal service lifetesting device comprises a tested jack, an accompanying tested jack, sliding blocks, movable cross beams, hinge lugs, fixing frames and a connecting plate. Each fixing frame comprises a bottom plate,a vertical plate and a track; a frame is formed among each bottom plate, the corresponding vertical plate and the corresponding track. The bottom plates are mounted at the lower ends of the verticalplates. The tracks are connected through the vertical plates in a supported mode. Each sliding block comprises a guide rail and a pressing block; each guiding rail is clamped between the two tracks; the two pressing blocks are welded to the upper side and the lower side of the corresponding guide rail correspondingly; and the two pressing blocks are connected with a pin shaft hole at a piston rodend of the tested jack and a pin shaft hole at a piston rod end of the accompanying tested jack correspondingly. The hinge lugs are fixed to the movable cross beams through bolts. One end of the cylinder bottom of the tested jack is connected with one of the hinge lugs, and one end of a piston rod is connected with the pressing block at one end of the corresponding sliding block. One end of the cylinder bottom of the accompanying tested jack is connected with the other hinge lug, and one end of a piston rod is connected with the pressing block at the other end of the corresponding sliding block. The tested jack is connected with the accompanying tested jack through the sliding blocks coaxially.
Description
technical field [0001] The invention relates to a testing device for the sealing life of an oil cylinder. Background technique [0002] At present, most of the inspections for the life of oil cylinder seals are under the ideal working conditions of no-load or internal loading. The existing sealing inspection devices can only test the sealing performance of the oil cylinder under the ideal working conditions of no-load or internal loading. The status of the cylinder is acceptable. However, the actual working condition of the oil cylinder has a certain eccentric external load, so the existing seal inspection device cannot simulate the actual working condition to test the service life of the seal. When seal leakage occurs, the cause of seal damage cannot be reasonably and accurately analyzed, and the cylinder seal life cannot be reasonably estimated. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentione...
Claims
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IPC IPC(8): F15B19/00
Inventor 王宝琴白永胜任紫亭常庆江郝铁栓
Owner 阳泉煤业集团华越机械有限公司