Title:
STABLE AND RELIABLE LIFTING-TYPE HYDRAULIC GATE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/072191
Kind Code:
A1
Abstract:
A stable and reliable lifting-type hydraulic gate structure, comprising a gate lifting plate (5) used for implementing an opening and closing operation of a gate (15) in a wall body (1), and a fixed mechanism (2) fixedly arranged on the wall body (1), the upper side of the gate lifting plate (5) being fixedly connected to the lower end of a lifting drive threaded sleeve (44), an outer thread being disposed on the outer circumferential surface of the lifting drive threaded sleeve (44) and being used for fitting to an inner thread in a lower drive threaded part (41) driven by a lower drive worm (43) and being rotatably mounted in the fixed mechanism (2), an axially extending sliding groove (40) being disposed in the inner circumferential surface of the lifting drive threaded sleeve (44) and being used for fitting in an axially slidable and circumferentially fixed manner to a radially extending part (35) fixedly connected to the lower end of a threaded rod (34) capable of penetrating the inner cavity of the lifting drive threaded sleeve (44).
Inventors:
LI CHANGMING (CN)
Application Number:
PCT/CN2016/102784
Publication Date:
April 26, 2018
Filing Date:
October 21, 2016
Export Citation:
Assignee:
LI CHANGMING (CN)
International Classes:
E02B7/36
Foreign References:
| CN106284226A | 2017-01-04 | |||
| CN106245607A | 2016-12-21 | |||
| CN205024650U | 2016-02-10 | |||
| CN104631367A | 2015-05-20 | |||
| CN204510163U | 2015-07-29 | |||
| US20070295126A1 | 2007-12-27 |
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