JP2023167734A - 把持式穴掘建柱車の安全装置 - Google Patents

把持式穴掘建柱車の安全装置 Download PDF

Info

Publication number
JP2023167734A
JP2023167734A JP2022079143A JP2022079143A JP2023167734A JP 2023167734 A JP2023167734 A JP 2023167734A JP 2022079143 A JP2022079143 A JP 2022079143A JP 2022079143 A JP2022079143 A JP 2022079143A JP 2023167734 A JP2023167734 A JP 2023167734A
Authority
JP
Japan
Prior art keywords
gripping
pressure
cylinder
gripper
oil chamber
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
JP2022079143A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023167734A5 (https=
Inventor
良王 岡安
Yoshikimi Okayasu
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.)
Aichi Corp
Original Assignee
Aichi Corp
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 Aichi Corp filed Critical Aichi Corp
Priority to JP2022079143A priority Critical patent/JP2023167734A/ja
Publication of JP2023167734A publication Critical patent/JP2023167734A/ja
Publication of JP2023167734A5 publication Critical patent/JP2023167734A5/ja
Pending legal-status Critical Current

Links

Images

Landscapes

  • Earth Drilling (AREA)
  • Manipulator (AREA)
  • Load-Engaging Elements For Cranes (AREA)
JP2022079143A 2022-05-13 2022-05-13 把持式穴掘建柱車の安全装置 Pending JP2023167734A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022079143A JP2023167734A (ja) 2022-05-13 2022-05-13 把持式穴掘建柱車の安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022079143A JP2023167734A (ja) 2022-05-13 2022-05-13 把持式穴掘建柱車の安全装置

Publications (2)

Publication Number Publication Date
JP2023167734A true JP2023167734A (ja) 2023-11-24
JP2023167734A5 JP2023167734A5 (https=) 2025-04-28

Family

ID=88838292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022079143A Pending JP2023167734A (ja) 2022-05-13 2022-05-13 把持式穴掘建柱車の安全装置

Country Status (1)

Country Link
JP (1) JP2023167734A (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170400A (en) * 1981-04-14 1982-10-20 Toyoda Automatic Loom Works Clamping device for forklift truck, etc.
US4431365A (en) * 1977-07-13 1984-02-14 Clark Equipment Company Pressure control mechanism for a grapple skidder
JPH0354884U (https=) * 1989-10-03 1991-05-27
JP2006089159A (ja) * 2004-09-21 2006-04-06 Hitachi Constr Mach Co Ltd 把持装置の掴み圧力保持装置
CN111232853A (zh) * 2020-03-05 2020-06-05 大连海事大学 大型液压水下抓斗装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431365A (en) * 1977-07-13 1984-02-14 Clark Equipment Company Pressure control mechanism for a grapple skidder
JPS57170400A (en) * 1981-04-14 1982-10-20 Toyoda Automatic Loom Works Clamping device for forklift truck, etc.
JPH0354884U (https=) * 1989-10-03 1991-05-27
JP2006089159A (ja) * 2004-09-21 2006-04-06 Hitachi Constr Mach Co Ltd 把持装置の掴み圧力保持装置
CN111232853A (zh) * 2020-03-05 2020-06-05 大连海事大学 大型液压水下抓斗装置

Similar Documents

Publication Publication Date Title
EP0206934A1 (en) A selective control device for plural kinds of oil-hydraulic actuators.
KR20190095287A (ko) 접이식 리프트 아암을 갖는 로더
CN103415665A (zh) 用于动力机的设备联接系统
KR20210126722A (ko) 동력기계용 유압 레벨링 회로
IT201900012297A1 (it) Telehandler con stabilizzatori perfezionati.
JP5601762B2 (ja) アウトリガ装置
US4218837A (en) High lift hydraulic system for an excavator
JP2023167734A (ja) 把持式穴掘建柱車の安全装置
JP2025092691A (ja) 油圧機器制御装置
JP2009143662A (ja) 高所作業装置
JP5851782B2 (ja) 作業車の制御装置
US20100172730A1 (en) Automatic over-center system
US12252853B2 (en) Cylinder sequencing for a dual stage lift system for a snow wing
JP2023082256A (ja) 穴掘建柱車のアタッチメント装置
JP7834504B2 (ja) 把持式穴掘建柱車の安全装置
JP2023167054A (ja) 把持式穴掘建柱車の安全装置
JP7846527B2 (ja) 把持式穴掘建柱車の制御装置
JP7845909B2 (ja) 把持式穴掘建柱車の安全装置
JP2024040779A (ja) 把持式穴掘建柱車の制御装置
JP6017879B2 (ja) 油圧作動装置
JP7661834B2 (ja) 作業機械
JP2023102839A (ja) 穴掘建柱車の制御装置
JP7619835B2 (ja) アースドリル機、アタッチメント、およびアタッチメント交換方法
JP7777990B2 (ja) 把持式穴掘建柱車の制御装置
JP7650209B2 (ja) 作業車の安全装置

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20240624

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250418

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250418

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20260313

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20260317