JPS6438400A - Hydraulic jack - Google Patents

Hydraulic jack

Info

Publication number
JPS6438400A
JPS6438400A JP19230087A JP19230087A JPS6438400A JP S6438400 A JPS6438400 A JP S6438400A JP 19230087 A JP19230087 A JP 19230087A JP 19230087 A JP19230087 A JP 19230087A JP S6438400 A JPS6438400 A JP S6438400A
Authority
JP
Japan
Prior art keywords
bracket
lock nut
gear
piston rod
slide shaft
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
JP19230087A
Other languages
Japanese (ja)
Other versions
JP2527332B2 (en
Inventor
Shigeo Kondo
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.)
KYB Corp
Original Assignee
Kayaba Industry 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Priority to JP62192300A priority Critical patent/JP2527332B2/en
Publication of JPS6438400A publication Critical patent/JPS6438400A/en
Application granted granted Critical
Publication of JP2527332B2 publication Critical patent/JP2527332B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE: To automatically lock and position a ram by providing a bracket on a lock nut to be vertically interlocked with it, providing a gear, rotatably connecting a slide shaft to the bracket, and providing a drive gear on this shaft to be engaged with the above gear. CONSTITUTION: As a piston rod 3 is elongated, a lock nut 5 and a bracket 17 are moved up, and a slide shaft 20 is also moved up by interlock with the bracket 17. When the piston rod 3 is moved up to a specified position, it is stopped, a rotary shaft 26 is rotated through a motor 28 to rotate the slide shaft 20 and a gear 14, rotation force of the gear 14 is transmitted to the lock nut 5, and the lock nut 5 is rotated while being lowered to be applied to a top part of a cylinder tube 1. At this time, the bracket 17 is lowered, the slide shaft 20 is also rotated while being lowered, and load to the piston rod 3 is carried through the lock nut 5 by the cylinder tube 1, thereby the piston rod 3 is positioned.
JP62192300A 1987-07-31 1987-07-31 Hydraulic jack Expired - Lifetime JP2527332B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62192300A JP2527332B2 (en) 1987-07-31 1987-07-31 Hydraulic jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62192300A JP2527332B2 (en) 1987-07-31 1987-07-31 Hydraulic jack

Publications (2)

Publication Number Publication Date
JPS6438400A true JPS6438400A (en) 1989-02-08
JP2527332B2 JP2527332B2 (en) 1996-08-21

Family

ID=16288982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62192300A Expired - Lifetime JP2527332B2 (en) 1987-07-31 1987-07-31 Hydraulic jack

Country Status (1)

Country Link
JP (1) JP2527332B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630857A (en) * 2017-11-09 2018-01-26 北京公联洁达公路养护工程有限公司 Double action strip is servo-actuated mechanical lock oil cylinder
CN108584830A (en) * 2018-05-14 2018-09-28 长江三峡通航管理局 A kind of hydraulic jack and control method with mechanical self-latching protective device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101831255B1 (en) * 2017-05-29 2018-02-23 (주)모든엔지니어링 Preloading Jack Apparatus, and Lifting Method of Structure using such Jack Apparatus
KR101945977B1 (en) * 2017-06-20 2019-04-29 (주)모든엔지니어링 Preloading Jack Apparatus, and Lifting Method of Structure using such Jack Apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107630857A (en) * 2017-11-09 2018-01-26 北京公联洁达公路养护工程有限公司 Double action strip is servo-actuated mechanical lock oil cylinder
CN108584830A (en) * 2018-05-14 2018-09-28 长江三峡通航管理局 A kind of hydraulic jack and control method with mechanical self-latching protective device

Also Published As

Publication number Publication date
JP2527332B2 (en) 1996-08-21

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