CN110182610B - Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method - Google Patents
Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method Download PDFInfo
- Publication number
- CN110182610B CN110182610B CN201910352140.8A CN201910352140A CN110182610B CN 110182610 B CN110182610 B CN 110182610B CN 201910352140 A CN201910352140 A CN 201910352140A CN 110182610 B CN110182610 B CN 110182610B
- Authority
- CN
- China
- Prior art keywords
- valve
- intelligent
- electromagnetic
- control
- check
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method, wherein the intelligent pitching hydraulic system comprises a mobile phone, a computer cloud, a PLC (programmable logic controller) control system, a hydraulic system, pipelines, an intelligent hydraulic fault diagnosis system and an intelligent emergency automatic processing system, and the system comprises a main control oil way and an automatic switching standby oil way for controlling a pitching mechanism of the stacker-reclaimer, and an energy accumulator storage standby function after power loss; the pitching mechanism locks an oil way; the main control oil path and the locking oil path automatically switch the control oil path when the main pump and the control pump are in failure; the hydraulic failure can not automatically recover the automatic locking function of the failed oil cylinder; the fault analysis is fed back to the mobile phone terminal, so that data analysis and remote operation are facilitated. The invention meets the production requirement by remotely and intelligently controlling the speed and the pitching angle of the pitching oil cylinder.
Description
Technical Field
The invention relates to the field related to a pitching hydraulic system of a raw material stacker-reclaimer, in particular to an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method.
Background
The stacker-reclaimer is widely used in raw material yards of enterprises such as mines, ports, steel mills, chemical engineering and the like to carry and convey bulk materials such as ores, coals, cokes and the like, is large-scale high-efficiency mobile mechanical equipment for continuously carrying and loading and unloading the bulk materials, and comprises a bucket wheel device, a cantilever belt device, a traveling device, a rotating device, a pitching hydraulic system, a lubricating system and the like, equipment operators can operate in a manual mode, a semi-automatic mode, a machine-side unit manual operation mode and the like, the stacker-reclaimer is developed in different sections, intelligent unmanned operation and intelligent remote operation are realized at present, in the intelligent stacking and reclaiming process, the hydraulic pitching system has problems and needs to be stopped for waiting for processing, the equipment is operated for a long time without people, specific fault phenomena and fault points are not clear, the maintenance personnel are required to judge the problems and can put into automatic material reclaiming after solving the problems, when a hydraulic system breaks down, no person confirms the hydraulic system on site in the intelligent material taking process to process the hydraulic system in time, serious accidents such as the ascending or descending of a cantilever are caused, and serious potential safety hazards exist.
Disclosure of Invention
Therefore, in order to solve the above-mentioned deficiencies, the present invention provides an intelligent pitching hydraulic system for an intelligent stacker-reclaimer and a control method thereof.
The invention is realized in such a way that an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method are constructed, the intelligent pitching hydraulic system comprises a mobile phone and computer cloud, a PLC control system, a hydraulic system and a pipeline, an intelligent hydraulic fault diagnosis system and an intelligent emergency automatic processing system, the hydraulic system consists of a main oil way, a control oil way, an intelligent locking oil way and a fault intelligent processing comprehensive oil way, and the upper end of the intelligent pitching hydraulic system is provided with a bearing encoder, a PLC and a 3D scanner.
Preferably, the main oil circuit comprises proportional reversing valve, first electromagnetism trip valve, second electromagnetism trip valve and accumulator group combined action, proportional reversing valve and first electromagnetism trip valve electric connection to proportional reversing valve and the work of first electromagnetism trip valve normally open control actuating mechanism hydro-cylinder, first electromagnetism trip valve and second electromagnetism trip valve electric connection, second electromagnetism trip valve and accumulator group electric connection, first electromagnetism trip valve and filter electric connection.
Preferably, the control oil path is composed of a double-linkage variable pump, an anti-explosion valve set, a hydraulic control check valve set, a check valve set, an overflow valve set, a third electromagnetic cut-off valve, a second electromagnetic directional valve, a second overflow valve, a third electromagnetic directional valve, a second check valve, a pressure reducing valve, a two-position directional valve and a third check throttle valve, wherein the upper end of the double-linkage variable pump is provided with the second electromagnetic directional valve which is electrically connected with the second overflow valve, the third electromagnetic directional valve is electrically connected with the second check valve, the double-linkage variable pump is connected with the second check valve through a pipeline, the second check valve is electrically connected with the pressure reducing valve, the pressure reducing valve is connected with the two-position directional valve through a pipeline, the two-position directional valve is electrically connected with the third check throttle valve, the anti-explosion valve set is electrically connected with the check valve set, and the check valve set is electrically connected with the overflow valve set, overflow valves and third electromagnetism trip valve electric connection, third one way throttle valve and anti-riot valves electric connection, third one way throttle valve upper end is provided with the cartridge valve.
Preferably, the anti-riot valve bank, the hydraulic control check valve bank, the check valve bank and the overflow valve bank are provided with four groups.
Preferably, the double-continuous variable pump is provided with two double-continuous variable pumps, namely a double-continuous variable pump a and a double-continuous variable pump b.
The invention has the following advantages: the invention provides an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method thereof through improvement, compared with the same type of equipment, the invention has the following improvements:
the method has the advantages that: according to the intelligent pitching hydraulic system and the control method for the intelligent stacker-reclaimer, disclosed by the invention, the intelligent pitching control and the fault analysis of the bucket wheel machine are realized by monitoring the pressure sensors, the proportional reversing valve, the bearing encoder and the 3D scanner and feeding back to the PLC through logic operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic block diagram of the system control flow of the present invention;
FIG. 3 is a schematic diagram of a side view of a PLC controller of the present invention;
fig. 4 is a block diagram of the circuit connections of the present invention.
Wherein: the system comprises a duplex variable pump-1, an electromagnetic overflow valve-2, a first one-way valve-3, a proportional directional valve-4, a first one-way throttle valve-5, a first electromagnetic shut-off valve-6, a first electromagnetic directional valve-7, a second one-way throttle valve-8, a second electromagnetic shut-off valve-9, an energy accumulator set-10, an explosion-proof valve set-11, a hydraulic control one-way valve set-12, a one-way valve set-13, an overflow valve set-14, a third electromagnetic shut-off valve-15, an oil cylinder-16, a second electromagnetic directional valve-17, a first overflow valve-18, a second overflow valve-19, a third electromagnetic directional valve-20, a second one-way valve-21, a pressure reducing valve-22, a two-position directional valve-23, a third one-way throttle valve-24, a fourth electromagnetic directional valve-25, A control cover plate-26, a cartridge valve-27, a filter-28, a bearing encoder-29, a PLC-30 and a 3D scanner-31.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method thereof through improvement, wherein the intelligent pitching hydraulic system comprises a mobile phone and a computer cloud, a PLC control system, a hydraulic system and pipelines, intelligent hydraulic fault diagnosis and intelligent emergency automatic processing, the hydraulic system for controlling a stacker-reclaimer pitching mechanism oil cylinder consists of a main oil way, a control oil way, an intelligent locking oil way and a fault intelligent processing comprehensive oil way, and the upper end of a hydraulic system A is provided with a bearing encoder 29, a PLC30 and a 3D scanner 31.
Further, the main oil route comprises proportional directional valve 4, first solenoid trip valve 6, first solenoid directional valve 7, second solenoid trip valve 9 and accumulator group 10 combined action, proportional directional valve 4 and 6 electric connection of first solenoid trip valve to proportional directional valve 4 and the work of the control actuating mechanism hydro-cylinder of 6 normally opening of first solenoid trip valve, first solenoid directional valve 7 and 9 electric connection of second solenoid trip valve, second solenoid trip valve 9 and 10 electric connection of accumulator group, first solenoid directional valve 7 and 28 electric connection of filter do benefit to and play and make pair variable pump 1 start interlocking effect.
Further, the control oil path is composed of a double-linkage variable pump 1, an anti-explosion valve set 11, a hydraulic control check valve set 12, a check valve set 13, an overflow valve set 14, a third electromagnetic cut-off valve 15, a second electromagnetic directional valve 17, a second overflow valve 19, a third electromagnetic directional valve 20, a second check valve 21, a pressure reducing valve 22, a two-position directional valve 23 and a third check throttle valve 24, wherein the second electromagnetic directional valve 17 is arranged at the upper end of the double-linkage variable pump 1, the second electromagnetic directional valve 17 is electrically connected with the second overflow valve 19, the third electromagnetic directional valve 20 is electrically connected with the second check valve 21, the double-linkage variable pump 1 is connected with the second check valve 21 through a pipeline, the second check valve 21 is electrically connected with the pressure reducing valve 22, the pressure reducing valve 22 is connected with the two-position directional valve 23 through a pipeline, the two directional valves 23 are electrically connected with the third check throttle valve 24, anti-riot valves 11 and 12 electric connection of pilot operated check valve group, check valve group 13 and 14 electric connection of overflow valves, overflow valves 14 and the 15 electric connection of third electromagnetism trip valve, third check throttle valve 24 and 11 electric connection of anti-riot valves, third check throttle valve 24 upper end is provided with cartridge valve 27, does benefit to and controls four group's pilot operated check valve groups and opens or close simultaneously.
Furthermore, the anti-riot valve bank 11, the hydraulic control check valve bank 12, the check valve bank 13 and the overflow valve bank 14 are all provided with four groups, which is beneficial to preventing internal leakage or failure of a single hydraulic lock, the other three groups can ensure normal work of the stacker-reclaimer, the safety protection function is started, and the failed hydraulic lock can be rapidly and accurately judged through feedback values of pressure sensors P3, P4, P5 and P6.
Further, the double-continuous variable pump 1 is provided with two double-continuous variable pumps, namely a double-continuous variable pump 1a and a double-continuous variable pump 1 b.
The invention provides an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method thereof through improvement, and the working principle is as follows;
firstly, when the device is used, an equipment operator can operate the stacker-reclaimer in a manual mode, a semi-automatic mode, a manual operation mode of a machine-side unit and the like, wherein the weight block C plays a role in increasing the weight of a cantilever belt device of the stacker-reclaimer;
secondly, in the working process, the control oil path is acted by the double-linkage variable pump 1a, the electromagnetic directional valve 17 and the second overflow valve 19, the control oil path system is controlled in a low-pressure state, the pressure sensor P2 feeds back PL/20 pressure, the third electromagnetic directional valve 20, the second one-way valve 21, the pressure reducing valve 23, the two-position directional valve 23 and the third one-way throttle valve 24, the control oil path pressure sensor P7 feeds back PLC30 pressure, and the four groups of hydraulic control one-way valves 12 are controlled to be opened or closed simultaneously; the main control oil path of the system is powered by a duplex variable pump 1b, the electromagnetic overflow valve 2 establishes pump pressure, the pressure value is 160-180Mpa, the pressure sensor P1 feeds back the pressure of the PLC30 main hydraulic system, the pressure of the pressure sensor P1 participates in linkage of the duplex variable pump 1, the first check valve 3 and the pressure sensor P0 feed back the pressure of the PLC30 to the working pressure which is also the pressure of the accumulator group 10, and the pressure value of the pressure sensor PO participates in linkage of starting of the duplex variable pump 1; the main oil way proportional reversing valve 4 and the first electromagnetic cut-off valve 6 are normally opened to control the operation of an actuating mechanism oil cylinder 16, wherein the oil cylinder 16 does not act after the proportional reversing valve 4 works, a bearing rotates and codes, 29 does not change or pressure values of pressure sensors P3, P4, P5 and P6 are contrasted and changed and fed back to a PLC30, the PLC30 controls the first electromagnetic cut-off valve 6 to be closed in a logic relation manner, meanwhile, the first electromagnetic reversing valve 7 and the second electromagnetic cut-off valve 9 of a standby oil way are controlled to act, and the electromagnetic valve of the standby oil way works to finish intelligent; the control oil circuit and the main oil circuit or the standby oil circuit work simultaneously, the control oil circuit and the main oil circuit or the standby oil circuit work through an anti-explosion valve group 11, a hydraulic control check valve group 12, a check valve group 13, an overflow valve group 14 and a cut-off valve 15, a rod cavity of an oil cylinder 16 flows to a rodless cavity or a rodless cavity to a rod cavity, and return oil directly returns to oil through a filter 28;
thirdly, when the system fails in operation, the work of the electromagnetic valve of the spare oil way is intelligently switched, the working main oil way proportional directional valve 4 and the first electromagnetic cut-off valve 6 are normally opened to control the work of the oil cylinder 16 of the execution mechanism, wherein the oil cylinder 16 does not act after the proportional directional valve 4 works, the bearing rotary code is adopted, 29 does not change or the pressure value of a pressure sensor P3-P4\ P5-P6 is compared with the variable quantity and fed back to a PLC30, the cut-off valve 6 is controlled to be closed by the logic relation of the PLC30, the first electromagnetic directional valve 7 and the second electromagnetic cut-off valve 9 of the spare oil way are controlled to act at the same time;
fourthly, when the double-linkage variable pump 1b fails, the pressure sensor P1 feeds back to the PLC30 to be abnormal, the pressure value is lower than the system pressure 16Mpa, the main oil way of the oil cylinder 16 uses the energy storage device 10 to store energy pressure, when the pressure sensor PO is at low pressure 16Mpa, the second electromagnetic directional valve 17 of the double-linkage variable pump 1a acts on the high-pressure end of the overflow valve 18, power is provided for the main oil way PO through the second one-way valve 21 and the cartridge valve 21, and pitching intermittent work of the bucket wheel machine is achieved;
fifthly, when the double-linkage variable pump 1a fails, the pressure sensor P2 feeds back to the PLC30, the value is abnormal, the pressure value is lower than 10MPa, the electromagnetic directional valve 25 acts to open the cartridge valve through the control cover plate, the electromagnetic valve 23 of the pressure reducing valve 22 and the throttle valve 24 provide power for the control oil path P7, and the pitching normal work of the bucket wheel machine is realized;
sixthly, when the control oil way is locked by an abnormal fault, the control oil way is composed of four groups of third electromagnetic cut-off valves 15, the bearing rotary encoder 29 and the PLC30 are directly controlled in an interlocking mode, under the condition that the dual-linkage variable pump 1 is not started, the bearing encoder 29 has a large upward or downward trend to float, the PLC30 directly communicates with a cut-off valve to act and communicates and alarms, and the safety of a mechanical structure and site equipment of the stacker-reclaimer is ensured;
seventhly, according to the mechanical working characteristics of the stacker-reclaimer, different material taking layers are achieved, the central point of the stacker-reclaimer moves in the slewing bearing, and through four pressure values of the pressure sensors P3, P4, P5 and P6, a counterweight variable is rapidly calculated, the integral body of the stacker-reclaimer is mastered, and powerful guarantee is provided for long-term stable work;
eighth, finally, operating data and fault information can be fed back to the computer, the computer directly transmits to the cell-phone through the high in the clouds, and the point inspection personnel master the field device condition through the data that the cell-phone spreads, makes meeting an emergency and plan arrangement in advance, provides the production security, improves maintenance efficiency to can carry out the control of implementing to the field device condition through 3D scanner 31.
The invention provides an intelligent pitching hydraulic system of an intelligent stacker-reclaimer and a control method thereof through improvement, a plurality of pressure sensors, a proportional directional valve 4, a bearing encoder 29 and a 3D scanner 31 are monitored and fed back to a PLC30 to logically operate, so that intelligent pitching control and fault analysis of a bucket wheel machine are realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. An intelligent pitching hydraulic system of an intelligent stacker-reclaimer comprises a mobile phone and computer cloud, a PLC control system, a hydraulic system and pipelines, an intelligent diagnosis hydraulic fault system and an intelligent emergency automatic processing system, wherein the hydraulic system consists of a main oil way, a control oil way, an intelligent locking oil way and a fault intelligent processing comprehensive oil way, and a bearing encoder (29), a PLC control system (30) and a 3D scanner (31) are installed at the upper end of the intelligent pitching hydraulic system; the main oil path is composed of a proportional reversing valve (4), a first electromagnetic cut-off valve (6), a first electromagnetic reversing valve (7), a second electromagnetic cut-off valve (9) and an energy accumulator set (10) under the combined action, the proportional reversing valve (4) is electrically connected with the first electromagnetic cut-off valve (6), the proportional reversing valve (4) and the first electromagnetic cut-off valve (6) are normally opened to control the oil cylinder of an execution mechanism to work, the first electromagnetic reversing valve (7) is electrically connected with the second electromagnetic cut-off valve (9), the second electromagnetic cut-off valve (9) is electrically connected with the energy accumulator set (10), and the first electromagnetic reversing valve (7) is electrically connected with a filter (28); the control oil path is composed of a double-linkage variable pump (1), an explosion-proof valve group (11), a hydraulic control check valve group (12), a check valve group (13), an overflow valve group (14), a third electromagnetic cut-off valve (15), a second electromagnetic directional valve (17), a second overflow valve (19), a third electromagnetic directional valve (20), a second check valve (21), a pressure reducing valve (22), a two-position directional valve (23) and a third one-way throttle valve (24) which act together, the second electromagnetic directional valve (17) is arranged at the upper end of the double-linkage variable pump (1), the second electromagnetic directional valve (17) is electrically connected with the second overflow valve (19), the third electromagnetic directional valve (20) is electrically connected with the second check valve (21), the double-linkage variable pump (1) is connected with the second check valve (21) through a pipeline, and the second check valve (21) is electrically connected with the pressure reducing valve (22), relief pressure valve (22) are connected with two directional control valves (23) through the pipeline, two directional control valves (23) and third check throttle valve (24) electric connection, explosion-proof valves (11) and liquid accuse check valve group (12) electric connection, check valve group (13) and overflow valves (14) electric connection, overflow valves (14) and third electromagnetism trip valve (15) electric connection, third check throttle valve (24) and explosion-proof valves (11) electric connection, third check throttle valve (24) upper end is provided with cartridge valve (27).
2. The intelligent pitching hydraulic system of the intelligent stacker-reclaimer of claim 1, wherein: the anti-riot valve bank (11), the hydraulic control check valve bank (12), the check valve bank (13) and the overflow valve bank (14) are provided with four groups.
3. The intelligent pitching hydraulic system of the intelligent stacker-reclaimer of claim 1, wherein: the double-continuous variable pump is provided with two double-continuous variable pumps, namely a double-continuous variable pump a and a double-continuous variable pump b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352140.8A CN110182610B (en) | 2019-04-29 | 2019-04-29 | Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352140.8A CN110182610B (en) | 2019-04-29 | 2019-04-29 | Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110182610A CN110182610A (en) | 2019-08-30 |
| CN110182610B true CN110182610B (en) | 2021-07-13 |
Family
ID=67715286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352140.8A Active CN110182610B (en) | 2019-04-29 | 2019-04-29 | Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110182610B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485238A (en) * | 2021-08-17 | 2021-10-08 | 华能沾化热电有限公司 | Bucket wheel machine fault online diagnosis system and device |
| CN114412861A (en) * | 2022-01-14 | 2022-04-29 | 大连华锐重工集团股份有限公司 | Pitching hydraulic system of arm support of continuous ship unloader and working method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229902A (en) * | 2008-02-19 | 2008-07-30 | 湖南三一起重机械有限公司 | Hydraulic oil distribution controlling device for crane hydraulic system |
| CN201180705Y (en) * | 2008-03-25 | 2009-01-14 | 扬州锻压机床集团有限公司 | High-pressure high-volume hydraulic loop device |
| CN201566808U (en) * | 2009-08-28 | 2010-09-01 | 射阳远洋船舶辅机有限公司 | Hydraulic control system of dinghy collecting and releasing device for ship use |
| CN102635144A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Hydraulic system for loader |
| CN202788607U (en) * | 2012-07-19 | 2013-03-13 | 山河智能装备股份有限公司 | Rock drilling key action double-pump hydraulic control loop for cutting drill |
| CN103482372A (en) * | 2013-09-24 | 2014-01-01 | 长春发电设备总厂 | Hydraulic semi-luffing tripper car of head-sinking-preventing bucket-wheel stacker-reclaimer |
| CN105090143A (en) * | 2015-07-22 | 2015-11-25 | 南京梅山冶金发展有限公司 | Control system and control method for pitch oil cylinder of stacker-reclaimer |
| CN106837946A (en) * | 2017-04-07 | 2017-06-13 | 大连华锐重工集团股份有限公司 | A kind of stacker-reclaimer pitching hydraulic system, closed-loop control system and control method |
| CN107830000A (en) * | 2017-10-20 | 2018-03-23 | 龙口矿业集团有限公司 | Stacker-reclaimer pitching hydraulic system |
| CN108730265A (en) * | 2018-03-21 | 2018-11-02 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Diagnosing System For Hydraulic System and method |
-
2019
- 2019-04-29 CN CN201910352140.8A patent/CN110182610B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229902A (en) * | 2008-02-19 | 2008-07-30 | 湖南三一起重机械有限公司 | Hydraulic oil distribution controlling device for crane hydraulic system |
| CN201180705Y (en) * | 2008-03-25 | 2009-01-14 | 扬州锻压机床集团有限公司 | High-pressure high-volume hydraulic loop device |
| CN201566808U (en) * | 2009-08-28 | 2010-09-01 | 射阳远洋船舶辅机有限公司 | Hydraulic control system of dinghy collecting and releasing device for ship use |
| CN102635144A (en) * | 2012-05-04 | 2012-08-15 | 山东理工大学 | Hydraulic system for loader |
| CN202788607U (en) * | 2012-07-19 | 2013-03-13 | 山河智能装备股份有限公司 | Rock drilling key action double-pump hydraulic control loop for cutting drill |
| CN103482372A (en) * | 2013-09-24 | 2014-01-01 | 长春发电设备总厂 | Hydraulic semi-luffing tripper car of head-sinking-preventing bucket-wheel stacker-reclaimer |
| CN105090143A (en) * | 2015-07-22 | 2015-11-25 | 南京梅山冶金发展有限公司 | Control system and control method for pitch oil cylinder of stacker-reclaimer |
| CN106837946A (en) * | 2017-04-07 | 2017-06-13 | 大连华锐重工集团股份有限公司 | A kind of stacker-reclaimer pitching hydraulic system, closed-loop control system and control method |
| CN107830000A (en) * | 2017-10-20 | 2018-03-23 | 龙口矿业集团有限公司 | Stacker-reclaimer pitching hydraulic system |
| CN108730265A (en) * | 2018-03-21 | 2018-11-02 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Diagnosing System For Hydraulic System and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110182610A (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101864965B (en) | Pressure flow rate composite synchronization control energy-saving type shield propelling system | |
| CN110182610B (en) | Intelligent pitching hydraulic system of intelligent stacker-reclaimer and control method | |
| CN103950870B (en) | A kind of forklift hydraulic system of double pump fuel feeding band energy regenerating | |
| CN108894274B (en) | Excavator gyration energy recuperation and system of recycling | |
| CN101438064A (en) | Hydraulic control system for working machine | |
| CN106640799B (en) | A kind of energy-saving upper dress system of pure electric compression type garbage truck | |
| CN102616705B (en) | Energy-saving forklift hydraulic system with energy recovery function | |
| CN103671364B (en) | Electrohydraulic control system is turned to for remote control loader | |
| CN107109824A (en) | The control system of construction implement | |
| CN110332183A (en) | Forging manipulator clamp Hydraulic slewing system | |
| CN103527541A (en) | Hydraulic control system achieving automatic switchover of stand by pump | |
| CN108953309B (en) | Energy recovery and recycling hydraulic system | |
| CN108910648A (en) | A kind of hydraulic control circuit for the rope grip device for catching that breaks | |
| CN107345411A (en) | Boom cylinder energy conserving system and its control method, excavator | |
| CN203756630U (en) | Novel sliding nozzle hydraulic control system | |
| CN212717418U (en) | Crusher load sensitive control hydraulic system | |
| CN202542790U (en) | Energy-saving forklift hydraulic system with energy recycling | |
| CN205776443U (en) | Excavator swing arm potential energy classification is reclaimed and release device | |
| CN210531327U (en) | Clamp rotary hydraulic system of forging manipulator | |
| CN103883578A (en) | Novel hydraulic control system for sliding gate | |
| CN202082175U (en) | Hydraulic control system and concrete pumping system equipped with same | |
| CN202531060U (en) | Automatic borer change control system of rock drilling carriage | |
| CN112343872B (en) | Auxiliary lifting hydraulic system and engineering machinery | |
| CN104235109B (en) | Axial flow compressor servo closed loop redundant electrohydraulic proportional control apparatus | |
| CN213979119U (en) | Hydraulic system with valve outer confluence and excavator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |