Title:
FILLING APPARATUS BETWEEN PLATFORM AND CARRIAGE
Document Type and Number:
WIPO Patent Application WO/2019/024878
Kind Code:
A1
Abstract:
A filling apparatus between a platform and a carriage, comprising a piston box body (1) with an opening at one end. A piston body (2) is slidably provided in the piston box body (1) along the opening direction; one or more springs (3) are provided between one end of the piston body (2) and the bottom of the piston box body (1); one or more ball sleeves are fixedly connected to the other end of the piston body (2); ball bodies (4) are provided in all the ball sleeves, and the tops of the ball bodies (4) are higher than the end faces of the ball sleeves; a groove (5) is formed on the side face of the piston body (2); and two or more limit screws (6) matching the groove (5) are provided on the side wall of the piston box body (1) in a same linear direction.
Inventors:
MA WEI KAI (CN)
Application Number:
PCT/CN2018/098153
Publication Date:
February 07, 2019
Filing Date:
August 01, 2018
Export Citation:
Assignee:
XIYULONG WATER CONSERVANCY AND HYDROPOWER PROJECT CONSTRUCTION JIANYANG CO LTD (CN)
International Classes:
B61B1/02
Foreign References:
| CN107310561A | 2017-11-03 | |||
| CN101151184A | 2008-03-26 | |||
| CN203623663U | 2014-06-04 | |||
| CN106627598A | 2017-05-10 | |||
| JP2007216898A | 2007-08-30 |
Attorney, Agent or Firm:
CHENGDU RONGYU INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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