CN110329912B - 起重机控制系统及具有其的起重机 - Google Patents
起重机控制系统及具有其的起重机 Download PDFInfo
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- CN110329912B CN110329912B CN201910647265.3A CN201910647265A CN110329912B CN 110329912 B CN110329912 B CN 110329912B CN 201910647265 A CN201910647265 A CN 201910647265A CN 110329912 B CN110329912 B CN 110329912B
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- CN
- China
- Prior art keywords
- oil
- pilot
- pilot handle
- valve
- pressure reducing
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910647265.3A CN110329912B (zh) | 2019-07-17 | 2019-07-17 | 起重机控制系统及具有其的起重机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910647265.3A CN110329912B (zh) | 2019-07-17 | 2019-07-17 | 起重机控制系统及具有其的起重机 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110329912A CN110329912A (zh) | 2019-10-15 |
CN110329912B true CN110329912B (zh) | 2020-07-24 |
Family
ID=68145739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910647265.3A Active CN110329912B (zh) | 2019-07-17 | 2019-07-17 | 起重机控制系统及具有其的起重机 |
Country Status (1)
Country | Link |
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CN (1) | CN110329912B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110966274B (zh) * | 2019-12-30 | 2022-06-07 | 三一重机有限公司 | 一种液压锁定油路、工程机械液压系统及其控制方法 |
CN112032132B (zh) * | 2020-08-27 | 2022-11-01 | 三一汽车制造有限公司 | 先导减压阀组和液压系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2582266B2 (ja) * | 1987-09-29 | 1997-02-19 | 新キヤタピラー三菱株式会社 | 流体圧制御システム |
US6209321B1 (en) * | 1997-08-29 | 2001-04-03 | Komatsu Ltd. | Hydraulic controller for a working machine |
CN104609321B (zh) * | 2015-02-16 | 2016-11-30 | 徐州重型机械有限公司 | 一种起重机臂架变幅液压控制系统、变幅装置和起重机 |
CN104986675B (zh) * | 2015-07-02 | 2017-06-30 | 浙江三一装备有限公司 | 一种臂架变幅液压系统和起重机 |
CN107140562B (zh) * | 2017-06-16 | 2019-05-21 | 徐州重型机械有限公司 | 回转液压控制系统、方法及起重机 |
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2019
- 2019-07-17 CN CN201910647265.3A patent/CN110329912B/zh active Active
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Publication number | Publication date |
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CN110329912A (zh) | 2019-10-15 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200928 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co.,Ltd. Address before: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230606 Address after: No. 25, Wanjiang Avenue, Laofeng Town, Economic Development Zone, Anqing City, Anhui Province 246008 Patentee after: Rexa Co.,Ltd. Address before: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee before: Hebei Leisa Heavy Construction Machinery Co.,Ltd. |
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TR01 | Transfer of patent right |