Title:
GUIDE ROD DEVICE AND TRENCHING MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/087982
Kind Code:
A1
Abstract:
The present application relates to the technical field relevant to operation machinery, and aims to provide a guide rod device and a trenching machine, which can reduce the difficulty in construction method switching, are more convenient to install and are high in terms of assembly efficiency, are more time-saving and labor-saving compared with an existing hoisting manner, are conducive to accelerating the construction progress, and are high in terms of bending resistance. The guide rod device comprises a core rod, at least one middle rod and an outer rod which are sequentially sleeved from inside to outside; and the core rod, the middle rod and the outer rod are connected into an integral unit by means of a guide rod connecting mechanism. The present application solves the problems of an existing guide rod device being very troublesome, time-consuming and laborious in an installation process, and being weak in terms of bending resistance.
Inventors:
LIU CHANG (CN)
ZHANG SHIPING (CN)
YU SHUAI (CN)
ZHANG SHIPING (CN)
YU SHUAI (CN)
Application Number:
PCT/CN2022/124801
Publication Date:
May 25, 2023
Filing Date:
October 12, 2022
Export Citation:
Assignee:
BEIJING SANY INTELLIGENT MANUFACTURING TECH CO LTD (CN)
International Classes:
E02D5/02
Foreign References:
| CN216275616U | 2022-04-12 | |||
| CN114370240A | 2022-04-19 | |||
| CN216665515U | 2022-06-03 | |||
| CN106089106A | 2016-11-09 | |||
| CN102392630A | 2012-03-28 | |||
| CN201679459U | 2010-12-22 | |||
| CN208294434U | 2018-12-28 | |||
| CN204081527U | 2015-01-07 | |||
| CN201635104U | 2010-11-17 | |||
| CN208380510U | 2019-01-15 | |||
| DE3539450A1 | 1987-05-14 | |||
| JPH09144468A | 1997-06-03 |
Attorney, Agent or Firm:
SUNSHINE INTELLECTUAL PROPERTY INTERNATIONAL CO., LTD. (CN)
Download PDF: