Title:
PROPELLING MECHANISM OF EXCAVATION PROPELLING DEVICE OF STEEL PIPE OR THE LIKE
Document Type and Number:
Japanese Patent JP3697306
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To efficiently perform excavation propelling-burying work of a steel pipe or the like even from inside a departing pit having a limited small space.
SOLUTION: A moving stand 4 is provided on a rectangular rail stand 3 so as to be freely movable forward and backward in the lengthwise direction of the rail stand 3, on the one hand, a rectangular relay stand 5 is provided on an under surface of the moving stand 4 so as to be freely movable forward and backward in the lengthwise direction of the rail stand 3, and a hydraulic cylinder 6 is connected and installed between the relay stand 5 and a rear end part of the rail stand 3. Pin holes are bored at the same intervals in rails 3a and 3a of the rail stand 3 and on the left and right side edges of the relay stand 5, on the one hand, pin holes are bored in the moving stand so as to be opposed to the pin holes, and connecting pins 11 are fitted to and inserted into the pin holes of the rail stand 3 and the moving stand 4 and the pin holes of the moving stand 4 and the relay stand 5, and are provided so as to be freely pulled out, and the rail stand 3 and the moving stand 4, and the moving stand 4 and the relay stand 5 are provided so as to be freely connected to and released from each other by fitting, inserting and pulling out the connecting pins 11.
Inventors:
Shigemori Tomoyuki
Application Number:
JP34553495A
Publication Date:
September 21, 2005
Filing Date:
December 08, 1995
Export Citation:
Assignee:
Shigemori Tomoyuki
International Classes:
E21D9/06; (IPC1-7): E21D9/06
Domestic Patent References:
| JP64010593U | ||||
| JP61045495U | ||||
| JP61071691U | ||||
| JP61169197U | ||||
| JP61032295U | ||||
| JP61125594U |
Attorney, Agent or Firm:
Takao Kawasaki