JPS6134593U - Hydraulic jack for lowering and raising bridge girders - Google Patents

Hydraulic jack for lowering and raising bridge girders

Info

Publication number
JPS6134593U
JPS6134593U JP11753984U JP11753984U JPS6134593U JP S6134593 U JPS6134593 U JP S6134593U JP 11753984 U JP11753984 U JP 11753984U JP 11753984 U JP11753984 U JP 11753984U JP S6134593 U JPS6134593 U JP S6134593U
Authority
JP
Japan
Prior art keywords
lowering
hydraulic jack
bridge girders
raising bridge
raising
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.)
Pending
Application number
JP11753984U
Other languages
Japanese (ja)
Inventor
一夫 中野
Original Assignee
宮地建設工業株式会社
大瀧ジヤツキ株式会社
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 宮地建設工業株式会社, 大瀧ジヤツキ株式会社 filed Critical 宮地建設工業株式会社
Priority to JP11753984U priority Critical patent/JPS6134593U/en
Publication of JPS6134593U publication Critical patent/JPS6134593U/en
Pending legal-status Critical Current

Links

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案油圧ジャッキの一実施例を示す一部切欠
正面図、第２図乃至第６は同実施例の油圧ジャッキを用
いて行う橋桁の降下作業の工程説明図である。 尚図中、Ａ・・・油圧ジャッキ、ａ・・・ラム、ｂ・・
・ケーシング、ｂ１・・・ケーシングの底壁、１・・・
電磁石、Ｂ・・・橋桁、Ｃ・・・橋脚、Ｄ・・・支保工
、Ｅ・・・鋼材。FIG. 1 is a partially cutaway front view showing an embodiment of the hydraulic jack of the present invention, and FIGS. 2 to 6 are process explanatory diagrams of a bridge girder lowering operation performed using the hydraulic jack of the same embodiment. In the diagram, A...hydraulic jack, a...ram, b...
・Casing, b1...Bottom wall of casing, 1...
Electromagnet, B... Bridge girder, C... Bridge pier, D... Shoring, E... Steel material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ラムが摺動可能に嵌め合うケーシングの底壁に電磁石を
設けた橋桁の降下及び扛上作業用油圧ジャッキ。A hydraulic jack for lowering and lifting bridge girders with an electromagnet installed on the bottom wall of the casing into which the ram is slidably fitted.
JP11753984U 1984-07-31 1984-07-31 Hydraulic jack for lowering and raising bridge girders Pending JPS6134593U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11753984U JPS6134593U (en) 1984-07-31 1984-07-31 Hydraulic jack for lowering and raising bridge girders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11753984U JPS6134593U (en) 1984-07-31 1984-07-31 Hydraulic jack for lowering and raising bridge girders

Publications (1)

Publication Number Publication Date
JPS6134593U true JPS6134593U (en) 1986-03-03

Family

ID=30676444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11753984U Pending JPS6134593U (en) 1984-07-31 1984-07-31 Hydraulic jack for lowering and raising bridge girders

Country Status (1)

Country Link
JP (1) JPS6134593U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008190131A (en) * 2007-02-01 2008-08-21 Tomoe Corp Erection method for bridge girder
IT201700053641A1 (en) * 2017-05-17 2018-11-17 Cimolai S P A APPARATUS FOR THE VERTICAL MOVEMENT OF A STRUCTURE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116730A (en) * 1974-08-02 1976-02-10 Nippon Kokan Kk KOJUHOHO

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116730A (en) * 1974-08-02 1976-02-10 Nippon Kokan Kk KOJUHOHO

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008190131A (en) * 2007-02-01 2008-08-21 Tomoe Corp Erection method for bridge girder
JP4563413B2 (en) * 2007-02-01 2010-10-13 株式会社巴コーポレーション Bridge girder construction method
IT201700053641A1 (en) * 2017-05-17 2018-11-17 Cimolai S P A APPARATUS FOR THE VERTICAL MOVEMENT OF A STRUCTURE

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