Title:
ARCH FRAME GRABBING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2024/036930
Kind Code:
A1
Abstract:
An arch frame grabbing mechanism, comprising two sets of clamping jaw assemblies (1), a supporting platform (2), and a driving unit (3). The two sets of clamping jaw assemblies (1) are arranged in the length direction of the supporting platform (2) and are used for clamping an arch frame (4) on the supporting platform (2); each clamping jaw assembly (1) comprises a connecting frame (11), a limiting block (12), and two oppositely arranged clamps (13); the connecting frame (11) is separately hingedly connected to the supporting platform (2), the driving unit (3), and the limiting block (12); two ends of the driving unit (3) are respectively hingedly connected to the connecting frames (11) of the two sets of clamping jaw assemblies (1). During extending and retracting, the driving unit (3) drives the connecting frames (11) to rotate around hinge points, so as to drive the limiting blocks (12) to move. The clamps (13) are hingedly connected to the supporting platform (2) and are connected to the connecting frames (11), and the clamps (13) rotate around hinge points along with the movement of the limiting blocks (12). The structure can achieve synchronous grabbing of the two sets of clamping jaw assemblies (1), and improve the compactness of the arch frame grabbing mechanism and the stability of the grabbing process.
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Inventors:
MAO BO (CN)
WANG HUIMIN (CN)
GONG JUN (CN)
SONG ZUYUAN (CN)
CAI CHANG (CN)
XIAO LINGYUN (CN)
ZENG ZHANHUI (CN)
YANG LEDUO (CN)
ZHOU HE (CN)
WANG HUIMIN (CN)
GONG JUN (CN)
SONG ZUYUAN (CN)
CAI CHANG (CN)
XIAO LINGYUN (CN)
ZENG ZHANHUI (CN)
YANG LEDUO (CN)
ZHOU HE (CN)
Application Number:
PCT/CN2023/080717
Publication Date:
February 22, 2024
Filing Date:
March 10, 2023
Export Citation:
Assignee:
HUNAN WUXIN TUNNEL INTELLIGENT EQUIPMENT CO LTD (CN)
International Classes:
E21D11/40; B25J15/08
Foreign References:
| CN115263379A | 2022-11-01 | |||
| CN217813526U | 2022-11-15 | |||
| CN217999623U | 2022-12-09 | |||
| CN113982507A | 2022-01-28 | |||
| CN103526942A | 2014-01-22 | |||
| CN209398437U | 2019-09-17 | |||
| CN209648748U | 2019-11-19 | |||
| CN215213536U | 2021-12-17 | |||
| EP2851504A1 | 2015-03-25 |
Attorney, Agent or Firm:
BEIJING WESHINEIP INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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