Title:
SHIELD-MACHINE EMPTY-PUSHING STEPPING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/056794
Kind Code:
A1
Abstract:
A shield-machine empty-pushing stepping apparatus, comprising a counter-force assembly (2) provided on a shield-machine guiding table (1) and a force transferring piece (3), wherein the shield-machine guiding table (1) is provided with two guide rails (1.1); multiple groups of counter-force holes (1.2) are provided between the two guide rails (1.1); the counter-force assembly (2) comprises at least one counter-force single piece (2a); the counter-force single piece (2a) comprises a positioning bottom plate (2.1), a positioning top plate (2.2), and at least one supporting leg (2.3); the supporting leg (2.3) is vertically inserted into the counter-force hole (1.2); the interior of the supporting leg (2.3) is provided with a hydraulic chamber (2.3a); the bottom of the supporting leg (2.3) is provided with a force transferring rod (2.4) with one end connected with the hydraulic chamber (2.3a); the other end of the force transferring rod (2.4) is connected with a pressure bearing plate (2.5); the force transferring piece (3) is mounted between the positioning bottom plate (2.1) and the positioning top plate (2.2); one side of the force transferring piece (3) that is far away from the supporting leg (2.3) is connected with a thrust means (4.1); when the force transferring piece (3) applies a counter force generated by the thrust means (4.1) to the supporting leg (2.3) in the apparatus, the counter force is transferred to the pressure bearing plate (2.5) by means of an hydraulic oil and the force transferring rod (2.4) so as to be applied into the counter-force hole (1.2).
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Inventors:
TAN JUNKUN (CN)
QIAO SHIFAN (CN)
LIU RITONG (CN)
ZHANG XIBAO (CN)
YE MINGYONG (CN)
XU PING (CN)
HU RUCHENG (CN)
CAI ZIYONG (CN)
XIANG NAN (CN)
QIAO SHIFAN (CN)
LIU RITONG (CN)
ZHANG XIBAO (CN)
YE MINGYONG (CN)
XU PING (CN)
HU RUCHENG (CN)
CAI ZIYONG (CN)
XIANG NAN (CN)
Application Number:
PCT/CN2018/108910
Publication Date:
March 26, 2020
Filing Date:
September 30, 2018
Export Citation:
Assignee:
UNIV CENTRAL SOUTH (CN)
THE ELECTRICITY ENG CO LTD UNDER CREC NO 5 GROUP (CN)
THE ELECTRICITY ENG CO LTD UNDER CREC NO 5 GROUP (CN)
International Classes:
E21D9/06; E21D9/093
Foreign References:
| CN101550829A | 2009-10-07 | |||
| CN102337900A | 2012-02-01 | |||
| CN104653229A | 2015-05-27 | |||
| JPH08184289A | 1996-07-16 |
Attorney, Agent or Firm:
SHENZHEN PENGRUI INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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