Title:
BOOM DEVICE AND OPERATION VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/105241
Kind Code:
A1
Abstract:
A boom device and an operation vehicle. The boom device comprises a first boom (11) and a second boom (12); one end of the first boom (11) is hinged to one end of the second boom (12); in a folded state of the boom device, the first boom (11) and the second boom (12) are stacked in a vertical direction; one end of the first boom (11) hinged to the second boom (12) is provided with a bending boom section (111), and the bending boom section (111) bends towards a direction away from the second boom (12). The operation vehicle comprises a fixed turret (9) fixed to the rear of the cab and a rotary table (10), and the rotary table (10) is rotatably connected to the fixed turret (9); the operation vehicle further comprises the boom device. The boom device and the boom of the operation vehicle improve rigidity and torsion resistance.
Inventors:
DENG BIAO (CN)
LI JIANGBO (CN)
XU DAPENG (CN)
LI JIANGBO (CN)
XU DAPENG (CN)
Application Number:
PCT/CN2021/103585
Publication Date:
May 27, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
SANY AUTOMOBILE MFG CO LTD (CN)
International Classes:
E04G21/04
Domestic Patent References:
| WO2016046221A1 | 2016-03-31 |
Foreign References:
| CN104695710A | 2015-06-10 | |||
| CN102359278A | 2012-02-22 | |||
| CN204098503U | 2015-01-14 | |||
| CN203050124U | 2013-07-10 | |||
| CN102296822A | 2011-12-28 | |||
| DE602008002081D1 | 2010-09-23 | |||
| JP3689268B2 | 2005-08-31 |
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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