JPS6483798A - Underground excavator - Google Patents

Underground excavator

Info

Publication number
JPS6483798A
JPS6483798A JP24067787A JP24067787A JPS6483798A JP S6483798 A JPS6483798 A JP S6483798A JP 24067787 A JP24067787 A JP 24067787A JP 24067787 A JP24067787 A JP 24067787A JP S6483798 A JPS6483798 A JP S6483798A
Authority
JP
Japan
Prior art keywords
rotary
crushing blade
excavated
rotary cutter
secured
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP24067787A
Other languages
Japanese (ja)
Other versions
JP2520265B2 (en
Inventor
Mamoru Miyazaki
Yasuhiro Kagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumiyoshi Heavy Industries Co Ltd
Original Assignee
Sumiyoshi Heavy Industries Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumiyoshi Heavy Industries Co Ltd filed Critical Sumiyoshi Heavy Industries Co Ltd
Priority to JP62240677A priority Critical patent/JP2520265B2/en
Publication of JPS6483798A publication Critical patent/JPS6483798A/en
Application granted granted Critical
Publication of JP2520265B2 publication Critical patent/JP2520265B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

PURPOSE: To simplify and miniaturize a structure by rotating a rear rotary crushing blade by means of a rotary cutter. CONSTITUTION: A large mass of gravel and the like in excavated matter excavated by a rotary cutter 10 and transferred backward is crushed by a rotary crushing device comprising a rear rotary crushing blade 9 secured to the rotary cutter 10 and a front fixed crushing blade 2 on a fixed crushing board 4 secured to a leading pipe 1, and the excavated matter is discharged onto the ground through an excavated matter discharge pipe line 12 by means of compressed air. The rear rotary crushing blade 9 of the rotary crushing device is rotated by means of the rotary cutter 10.
JP62240677A 1987-09-28 1987-09-28 Underground excavation equipment Expired - Fee Related JP2520265B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62240677A JP2520265B2 (en) 1987-09-28 1987-09-28 Underground excavation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62240677A JP2520265B2 (en) 1987-09-28 1987-09-28 Underground excavation equipment

Publications (2)

Publication Number Publication Date
JPS6483798A true JPS6483798A (en) 1989-03-29
JP2520265B2 JP2520265B2 (en) 1996-07-31

Family

ID=17063064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62240677A Expired - Fee Related JP2520265B2 (en) 1987-09-28 1987-09-28 Underground excavation equipment

Country Status (1)

Country Link
JP (1) JP2520265B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101072564B1 (en) 2011-04-25 2011-10-11 박진수 Propulsion apparatus for steel pipe pressure capable atmospheric pressure control

Also Published As

Publication number Publication date
JP2520265B2 (en) 1996-07-31

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