JPH02120592U - - Google Patents

Info

Publication number
JPH02120592U
JPH02120592U JP2862989U JP2862989U JPH02120592U JP H02120592 U JPH02120592 U JP H02120592U JP 2862989 U JP2862989 U JP 2862989U JP 2862989 U JP2862989 U JP 2862989U JP H02120592 U JPH02120592 U JP H02120592U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
pipe
burying
pit
buried pipe
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
JP2862989U
Other languages
Japanese (ja)
Other versions
JPH0738473Y2 (en
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 filed Critical
Priority to JP1989028629U priority Critical patent/JPH0738473Y2/en
Publication of JPH02120592U publication Critical patent/JPH02120592U/ja
Application granted granted Critical
Publication of JPH0738473Y2 publication Critical patent/JPH0738473Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す平面図、第２
図は第１図の−線断面図、第３図乃至第５図
は同作動状態を示す説明図である。 １……ピツト、３……埋設管、４……埋設管押
圧部、５……第１の油圧シリンダ、６……ピスト
ン、７……第２の油圧シリンダ、８……ロツド、
９……反力受、１１……ピストン。 Fig. 1 is a plan view showing one embodiment of the present invention;
The figure is a sectional view taken along the line -- in FIG. 1, and FIGS. 3 to 5 are explanatory diagrams showing the same operating state. DESCRIPTION OF SYMBOLS 1... Pit, 3... Buried pipe, 4... Buried pipe pressing part, 5... First hydraulic cylinder, 6... Piston, 7... Second hydraulic cylinder, 8... Rod,
9... Reaction force receiver, 11... Piston.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 地表から掘削されたピツト内の駆動部により地
中に埋設管を押入して管を地中に埋設する管埋設
装置において、埋設管押圧部の後方に第１の油圧
シリンダを延設固定し、この第１の油圧シリンダ
に内装されるピストンに該シリンダの前後に突出
する第２の油圧シリンダを設け、この第２の油圧
シリンダのロツドをピツト内の反力受に当接させ
るようにしたことを特徴とする管埋設装置におけ
る推進装置。 In a pipe burying device for burying a pipe underground by pushing a buried pipe into the ground by a driving part in a pit excavated from the ground surface, a first hydraulic cylinder is extended and fixed behind the buried pipe pressing part, The piston housed in the first hydraulic cylinder is provided with a second hydraulic cylinder protruding from the front and rear of the cylinder, and the rod of the second hydraulic cylinder is brought into contact with a reaction force receiver in the pit. A propulsion device for a pipe burial device characterized by:
JP1989028629U 1989-03-14 1989-03-14 Propulsion device in pipe burying device Expired - Fee Related JPH0738473Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989028629U JPH0738473Y2 (en) 1989-03-14 1989-03-14 Propulsion device in pipe burying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989028629U JPH0738473Y2 (en) 1989-03-14 1989-03-14 Propulsion device in pipe burying device

Publications (2)

Publication Number Publication Date
JPH02120592U true JPH02120592U (en) 1990-09-28
JPH0738473Y2 JPH0738473Y2 (en) 1995-09-06

Family

ID=31252156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989028629U Expired - Fee Related JPH0738473Y2 (en) 1989-03-14 1989-03-14 Propulsion device in pipe burying device

Country Status (1)

Country Link
JP (1) JPH0738473Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7093930B2 (en) * 2019-11-29 2022-07-01 鹿島建設株式会社 Main push jack equipment in the box propulsion method and the box propulsion method using it

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873411U (en) * 1971-12-13 1973-09-13
JPS4970412A (en) * 1972-11-11 1974-07-08
JPS50114911U (en) * 1974-02-28 1975-09-19
JPS5190711A (en) * 1975-02-06 1976-08-09 Kanoshishinkohoyo tokunitonnerunainioite kanhogobanotatekomutamenomaeoshisochi

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4873411U (en) * 1971-12-13 1973-09-13
JPS4970412A (en) * 1972-11-11 1974-07-08
JPS50114911U (en) * 1974-02-28 1975-09-19
JPS5190711A (en) * 1975-02-06 1976-08-09 Kanoshishinkohoyo tokunitonnerunainioite kanhogobanotatekomutamenomaeoshisochi

Also Published As

Publication number Publication date
JPH0738473Y2 (en) 1995-09-06

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees