Title:
HYDRAULIC SYSTEM AND ENGINEERING MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/021578
Kind Code:
A1
Abstract:
The present application provides a hydraulic system and an engineering machine. The hydraulic system comprises: a hydraulic oil tank; a pump station connected to the hydraulic oil tank; a first multiplex multi-way valve connected to the pump station; a second multiplex multi-way valve connected to the pump station; a first hydraulic control reversing valve, wherein when the first hydraulic control reversing valve is located at a first station, the first multiplex multi-way valve is communicated with the pump station, and when the first hydraulic control reversing valve is located at a second station, the first multiplex multi-way valve is communicated with the hydraulic oil tank; a second hydraulic control reversing valve connected to the second multiplex multi-way valve; a third hydraulic control reversing valve connected to the second multiplex multi-way valve; a first driving member connected to the second hydraulic control reversing valve and the third hydraulic control reversing valve, when the second hydraulic control reversing valve is located at a first station and the third hydraulic control reversing valve is located at a first station, the first driving member being in a working state; and a second driving member connected to the second hydraulic control reversing valve and the third hydraulic control reversing valve, when the second hydraulic control reversing valve is located at a second station and the third hydraulic control reversing valve is located at a second station, the second driving member is in a working state.
Inventors:
HUANG DONG (CN)
YIN LI (CN)
MU DONG (CN)
QIU GUOQING (CN)
ZUO DUO (CN)
WANG WENBIN (CN)
YIN LI (CN)
MU DONG (CN)
QIU GUOQING (CN)
ZUO DUO (CN)
WANG WENBIN (CN)
Application Number:
PCT/CN2023/077126
Publication Date:
February 01, 2024
Filing Date:
February 20, 2023
Export Citation:
Assignee:
SANY HEAVY EQUIPMENT CO LTD (CN)
International Classes:
F15B11/16
Foreign References:
| CN115306780A | 2022-11-08 | |||
| CN216867115U | 2022-07-01 | |||
| CN111483284A | 2020-08-04 | |||
| CN110094378A | 2019-08-06 | |||
| CN112879363A | 2021-06-01 | |||
| CN102996138A | 2013-03-27 | |||
| GB1272735A | 1972-05-03 |
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF:
Previous Patent: TAMPER-PROOF DATA PROTECTION METHOD AND SYSTEM
Next Patent: TUNNELING AND ANCHORING INTEGRATED MACHINE
Next Patent: TUNNELING AND ANCHORING INTEGRATED MACHINE