JPS5741484A - Control method of pump-controlled oil hydraulic circuit - Google Patents

Control method of pump-controlled oil hydraulic circuit

Info

Publication number
JPS5741484A
JPS5741484A JP55114772A JP11477280A JPS5741484A JP S5741484 A JPS5741484 A JP S5741484A JP 55114772 A JP55114772 A JP 55114772A JP 11477280 A JP11477280 A JP 11477280A JP S5741484 A JPS5741484 A JP S5741484A
Authority
JP
Japan
Prior art keywords
speed
prime mover
maximum value
swash plate
acceleration
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
JP55114772A
Other languages
Japanese (ja)
Other versions
JPS6234962B2 (en
Inventor
Yoshio Nakajima
Kazuo Honma
Eiki Izumi
Hiroshi Watanabe
Yukio Aoyanagi
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP55114772A priority Critical patent/JPS5741484A/en
Publication of JPS5741484A publication Critical patent/JPS5741484A/en
Publication of JPS6234962B2 publication Critical patent/JPS6234962B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prevent a shock in a circuit due to acceleration and deceleration operations, by controlling a maximum value of delivery amount change speed to a preset delivery amount change speed in accordance with the throttle amount of a prime mover.
CONSTITUTION: A maximum value of swash plate tilting speed in a swash plate tilt controller 3a is controlled to preset delivery amount change speed in accordance with the control amount of a throttle lever 10 of a prime mover 4. In this way, for the prime mover 4 at low speed, the maximum value of swash plate tilting speed is increased, while for the prime mover 4 at high speed, the maximum value of swash plate tilting speed is decreased. Consequently, a flow rate change per hour acting as acceleration and deceleration to an actuator caused by a change of speed of the prime mover 4 is not changed. Accordingly, a shock due to the action of acceleration and deceleration can be prevented.
COPYRIGHT: (C)1982,JPO&Japio
JP55114772A 1980-08-22 1980-08-22 Control method of pump-controlled oil hydraulic circuit Granted JPS5741484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55114772A JPS5741484A (en) 1980-08-22 1980-08-22 Control method of pump-controlled oil hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55114772A JPS5741484A (en) 1980-08-22 1980-08-22 Control method of pump-controlled oil hydraulic circuit

Publications (2)

Publication Number Publication Date
JPS5741484A true JPS5741484A (en) 1982-03-08
JPS6234962B2 JPS6234962B2 (en) 1987-07-30

Family

ID=14646298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55114772A Granted JPS5741484A (en) 1980-08-22 1980-08-22 Control method of pump-controlled oil hydraulic circuit

Country Status (1)

Country Link
JP (1) JPS5741484A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151601A (en) * 1983-02-18 1984-08-30 Sumiyoshi Jukogyo Kk Load sensing type parallel hydraulic control circuit
JP2012137159A (en) * 2010-12-27 2012-07-19 Kubota Corp Hydraulic system of working machine and hydraulic control method of working machine
JP2021134516A (en) * 2020-02-26 2021-09-13 日立建機株式会社 Construction machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI3034563T1 (en) 2014-12-19 2019-06-28 Eckart Gmbh Gold-coloured effect pigments with high chroma and a high brilliance, method for their preparation and their use
PL3034564T3 (en) 2014-12-19 2018-07-31 Eckart Gmbh Effect pigments with high transparency, high chroma and a high brilliance, method for their preparation and their use
PL3034566T3 (en) 2014-12-19 2019-08-30 Eckart Gmbh Metal effect pigments comprising a high chroma and a high brilliancy, method for their preparation and their use

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151601A (en) * 1983-02-18 1984-08-30 Sumiyoshi Jukogyo Kk Load sensing type parallel hydraulic control circuit
JP2012137159A (en) * 2010-12-27 2012-07-19 Kubota Corp Hydraulic system of working machine and hydraulic control method of working machine
JP2021134516A (en) * 2020-02-26 2021-09-13 日立建機株式会社 Construction machine

Also Published As

Publication number Publication date
JPS6234962B2 (en) 1987-07-30

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