Segment grabbing-lifting detecting device for vacuum suction cup
A vacuum suction cup and detection device technology, which is applied in the direction of measuring devices, optical devices, shaft equipment, etc., can solve the problems of easy deformation of components and low snatch efficiency, and achieve the effects of improving snatch efficiency, preventing pressure release, and improving snatch effect
Pending Publication Date: 2018-07-13
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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Problems solved by technology
[0003] Aiming at the deficiencies in the above-mentioned background technology, the present invention proposes a snatch detection device for vacuum suction cups of segments, which solves the problem of low snatch efficiency and easy deformation of components in the prior art when vacuum suction cups of segment assembly machines grab segments. question
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Embodiment 2
[0018] Embodiment 2, a snatch detection device for a segment vacuum suction cup, the suction cup partition 1-1 is provided at the lower part of the suction cup mechanism 1, the installation sleeve 3-1 is a stepped sleeve, and the lower step of the stepped sleeve The outer cylinder wall of the cylinder 3-6 is provided with external thread, and the lower-step cylinder 3-6 passes through the suction cup partition 1-1 and is fixedly connected with the suction cup partition 1-1 through the mounting nut 3-8, which is convenient for assembly and disassembly, and the step The inner wall of the upper step tube 3-7 of the sleeve is provided with an internal thread, and the internal thread is engaged with the external thread on the nut 3-4, and is used for fixing the spring through the fixed connection between the nut and the upper step tube. The top of the upper step tube 3-7 is provided with a positioning groove 3-9, the nut 3-4 corresponds to the positioning groove 3-9, and the positio...
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The invention discloses a segment grabbing-lifting detecting device for a vacuum suction cup. The problems that in the prior art, when a vacuum suction cup grabs a segment, the grabbing-lifting efficiency is low, and a component is prone to deforming are solved. The segment grabbing-lifting detecting device comprises a suction cup mechanism, a sealing mechanism and a grabbing-lifting detecting mechanism, the sealing mechanism and the grabbing-lifting detecting mechanism are arranged at the bottom of the suction cup mechanism, and the grabbing-lifting detecting mechanism comprises a mounting sleeve fixedly connected with the suction cup mechanism. A telescopic rod is arranged in the mounting sleeve, the lower portion of the telescopic rod extends out of the mounting sleeve, and the top of the telescopic rod is located in the mounting sleeve and matched with the mounting sleeve. A spring is arranged at the top of the telescopic rod and fixed into the mounting sleeve through a nut, and anapproaching switch for detecting the position of the telescopic rod is arranged on one side of the mounting sleeve and connected with the suction cup mechanism. The grabbing-lifting detecting mechanism is mounted on a suction cup vacuum cavity, over large or over small pressure cannot be generated on the surface of a segment, the grabbing-lifting effect is improved, and the grabbing-lifting efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of shield tunneling machines, in particular to a snatch detection device for segment vacuum suction cups. Background technique [0002] When the vacuum suction cup of the segment assembly machine of the shield machine grabs the segment, it needs to first stick the vacuum suction cup cavity to the inner surface of the segment, and then start the vacuum pump to draw out the air in the vacuum suction cup cavity and grasp the segment. If the suction cup chamber is not in contact with the inner surface of the segment, start the vacuum pump. At this time, the sealing strip of the suction cup and the surface of the suction cup do not form a closed cavity, and the vacuum cannot be drawn and the segment can be grasped; if the suction cup cavity is excessively pressed against the segment, it will be damaged The structural parts of the vacuum suction cup or the structural parts of the segment assembly machine will seri...
Claims
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IPC IPC(8): E21D9/06E21D11/08H03K17/945H03K17/94G01B11/02G01B21/02
CPCH03K17/941H03K17/945E21D9/003E21D9/0607E21D11/08G01B11/02G01B21/02
Inventor 贾兴民胡燕伟李飞宇李龙飞
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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