CN103628519A - Excavator gyration braking energy recovery system - Google Patents
Excavator gyration braking energy recovery system Download PDFInfo
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- CN103628519A CN103628519A CN201310535753.8A CN201310535753A CN103628519A CN 103628519 A CN103628519 A CN 103628519A CN 201310535753 A CN201310535753 A CN 201310535753A CN 103628519 A CN103628519 A CN 103628519A
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- 238000011084 recovery Methods 0.000 title claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 239000002828 fuel tank Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 23
- 239000010720 hydraulic oil Substances 0.000 abstract description 11
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 108
- 238000006073 displacement reaction Methods 0.000 description 22
- 239000000523 sample Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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Abstract
本发明公开了一种挖掘机回转制动能量回收系统，包括：发动机、变量泵、分动箱、电磁换向阀、液控单向阀、液控换向阀、蓄能器、回转马达、变量马达和控制器。挖掘机回转制动时的机械能是挖掘机制动前的动能。该系统可对回转马达制动时的能量进行回收，增压阀对压力油进行升压，并以液压能的形式存储在蓄能器中，在能量释放时，蓄能器中的液压油驱动变量马达和电动机经过分动箱的动力分配后带动主泵对工作负载做功。本发明采用由增压阀、蓄能器、液控单向阀和变量马达组成液压调节器，减少了能量回收时的转换环节，提高了能量回收效率，使发动机始终工作在高效区，降低油耗。
The invention discloses an excavator rotary braking energy recovery system, comprising: an engine, a variable pump, a transfer case, an electromagnetic reversing valve, a hydraulic control check valve, a hydraulic control reversing valve, an accumulator, a rotary motor, Variable motor and controller. The mechanical energy of the excavator during slewing braking is the kinetic energy of the excavator before braking. The system can recover the energy when the slewing motor brakes. The booster valve boosts the pressure oil and stores it in the accumulator in the form of hydraulic energy. When the energy is released, the hydraulic oil in the accumulator drives The variable motor and the electric motor drive the main pump to do work on the workload after the power distribution of the transfer case. The invention adopts a hydraulic regulator composed of a booster valve, an accumulator, a hydraulic control check valve and a variable motor, which reduces the conversion link during energy recovery, improves the energy recovery efficiency, makes the engine always work in the high-efficiency area, and reduces fuel consumption .
Description
Technical field
The present invention relates to excavator field of energy-saving technology, relate in particular to a kind of digger revolving brake energy recovering system.
Background technology
Excavator is as a kind of important engineering machinery of earthwork construction, bearing the earth volume in the world 65%～70% excavates, have the advantages that function is strong, market share amount is large, but the drawback that its oil consumption is high, discharge is poor is further obvious under increasingly strict Abgasgesetz and high fuel price background, and the research of its power-saving technology becomes international research focus.The gross efficiency of excavator system is only about 20%, and energy loss mainly comprises: motor loss, restriction loss, Hydraulic Elements loss, mechanical device loss.At present, for above problem, the domestic research of having carried out some excavator power-saving technologies, has proposed the patent achievement that many energy are recycled.
In these energy-saving schemes, great majority are that energy while utilizing accumulator to brake excavator reclaims, and because the hydraulic energy pressure reclaiming is lower, lower than system pressure, cause recovering energy and cannot discharge.Energy while also having scholar to propose excavator to brake reclaims and is converted into electrical power storage in battery, when work, together with motor, main pump is done work, and the dynamic response of battery is slow, while discharging and recharging, specific power is low, and by hydraulic energy transfer, be mechanical energy, then when the electric energy, power conversion link is more, loss also just increases thereupon, therefore stored energy efficiency is very low.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of digger revolving brake energy recovering system.
In order to solve the problems of the technologies described above, the invention discloses a kind of digger revolving brake energy recovering system, comprise hydraulic circuit and control loop;
Hydraulic circuit comprises motor, main pump, transfer case, main reversing valve, the first pilot operated directional control valve, the second pilot operated directional control valve, the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd hydraulic control one-way valve, the 4th hydraulic control one-way valve, rotary motor, accumulator, variable displacement motor and the first fuel tank;
Described control loop comprises: pilot operated handle, pressure charging valve, PLC controller, pressure gauge and speed probe;
The power transmission shaft of motor is connected with the first power shaft I of transfer case, and the second power shaft II of transfer case is connected with the output shaft of variable displacement motor, and the output shaft of transfer case is connected with the power shaft of main pump; The input port of main pump connects the first fuel tank, and delivery outlet connects main reversing valve; Main reversing valve has four hydraulic fluid ports, and the first solenoid operated directional valve and the second solenoid operated directional valve have three hydraulic fluid ports; The first hydraulic fluid port of main reversing valve is connected with main pump delivery outlet, main reversing valve the 4th hydraulic fluid port is connected to the first fuel tank, the second hydraulic fluid port of main reversing valve is connected with the second hydraulic fluid port of the first solenoid operated directional valve, and the 3rd hydraulic fluid port of main reversing valve is connected with the first hydraulic fluid port of the second solenoid operated directional valve; The 3rd hydraulic fluid port of the first solenoid operated directional valve is connected with the A mouth of rotary motor, and the B mouth of rotary motor is connected to the 3rd hydraulic fluid port of the second solenoid operated directional valve; The first hydraulic fluid port of the first solenoid operated directional valve connects the 3rd hydraulic control one-way valve, the second hydraulic fluid port of the second solenoid operated directional valve connects the 4th hydraulic control one-way valve, after being connected with the 4th hydraulic control one-way valve, the 3rd hydraulic control one-way valve connects the first hydraulic fluid port of pressure charging valve, the second hydraulic fluid port of pressure charging valve connects respectively accumulator and the 5th hydraulic control one-way valve, the entrance of the outlet link variable motor of the 5th hydraulic control one-way valve, the 5th hydraulic control one-way valve is controlled by pressure charging valve signal end, control signal is sent by the commutation signal of pressure charging valve, the 5th hydraulic control one-way valve work when pressure charging valve cuts out;
The hydraulic control mouth of guide's hydraulic fluid port of described the first pilot operated directional control valve, the 4th hydraulic control one-way valve is connected with the 3rd hydraulic fluid port of main reversing valve, and guide's hydraulic fluid port of the second pilot operated directional control valve, the hydraulic control mouth of the 3rd hydraulic control one-way valve and the second hydraulic fluid port of main reversing valve are connected; When the second hydraulic fluid port of main reversing valve does not have pressure oil output, the second pilot operated directional control valve is closed, and the 3rd hydraulic control one-way valve is opened; When the 3rd hydraulic fluid port of main reversing valve does not have pressure oil output, the first pilot operated directional control valve is closed, and the 4th hydraulic control one-way valve is opened;
The control signal of pilot operated handle is outputed to respectively the left and right signal end of main reversing valve by X, Y port, pressure gauge is arranged on the hydraulic fluid port of accumulator, speed probe is arranged on the output shaft of variable displacement motor, controller receives the mode of operation signal of X, Y end simultaneously, the tach signal of manometric pressure signal and speed probe, and to main pump, motor, pressure charging valve, variable displacement motor, export control signal by controller.
In the present invention, comprise choke valve, the first hydraulic control one-way valve, the second hydraulic control one-way valve and the second fuel tank; The first fluid-control one-way valve outlet port connects the A mouth of rotary motor, the second fluid-control one-way valve outlet port connects the B mouth of rotary motor, after the first fluid-control one-way valve inlet and the series connection of the second fluid-control one-way valve inlet, be connected to the first hydraulic fluid port of choke valve, the second hydraulic fluid port of choke valve is connected with the second fuel tank, the signal input of choke valve is connected with PLC controller, is connected to the signal output of choke valve after the hydraulic control mouth parallel connection of the hydraulic control mouth of the first hydraulic control one-way valve and the second hydraulic control one-way valve;
Choke valve is controlled by controller, and when rotary motor is braked, the high pressure chest of rotary motor can obtain pressure oil by the first hydraulic control one-way valve or the second hydraulic control one-way valve in choke valve the second fuel tank.
In the present invention, when handle goes to X end, the left position work of main reversing valve, the first hydraulic fluid port of main reversing valve and the second hydraulic fluid port are communicated with, and the 3rd hydraulic fluid port of main reversing valve and the 4th hydraulic fluid port are communicated with; When handle goes to Y end, the right position work of main reversing valve, the first hydraulic fluid port of main reversing valve and the 3rd hydraulic fluid port are communicated with, and the second hydraulic fluid port of main reversing valve and the 4th hydraulic fluid port are communicated with.
In the present invention, bypass between main reversing valve the second hydraulic fluid port and the second hydraulic fluid port of the first solenoid operated directional valve is connected with the first one way valve, the first pilot operated directional control valve, and the bypass between main reversing valve the 3rd hydraulic fluid port and the first hydraulic fluid port of the second solenoid operated directional valve is connected with the second one way valve, the second pilot operated directional control valve.
In the present invention, the bypass between main reversing valve the second hydraulic fluid port and the second hydraulic fluid port of the first solenoid operated directional valve is connected with the first overflow valve, and the bypass between main reversing valve the 3rd hydraulic fluid port and the first hydraulic fluid port of the second solenoid operated directional valve is connected with the second overflow valve.
In the present invention, main reversing valve is 3-position 4-way solenoid operated directional valve, has four hydraulic fluid ports; The first pilot operated directional control valve and the second pilot operated directional control valve are bi-bit bi-pass reversal valve, have two hydraulic fluid ports; The first solenoid operated directional valve and the second solenoid operated directional valve are two position three way directional control valve, have three hydraulic fluid ports; Choke valve and pressure charging valve are bi-bit bi-pass solenoid operated directional valve, have two hydraulic fluid ports.
In the present invention, pressure charging valve, the 5th hydraulic control one-way valve, accumulator, variable displacement motor form fluid pressure governor.Pressure charging valve the first hydraulic fluid port receives the pressure oil from rotary motor, be stored in accumulator, when pressure charging valve cuts out, the 5th hydraulic control one-way valve is opened, and the hydraulic oil in accumulator drives variable displacement motor and motor to drive main pump to do work to workload after the power distribution of transfer case.And the hydraulic oil of the variable displacement motor of flowing through can enter other executing agencies, realized the regeneration of flow.
In the present invention, the control signal of main reversing valve is controlled by pilot operated handle, when handle goes to X end, and the left position work of main reversing valve, the first hydraulic fluid port and the second hydraulic fluid port are communicated with, and the 3rd hydraulic fluid port and the 4th hydraulic fluid port are communicated with; When handle goes to Y end, the right position work of main reversing valve, the first hydraulic fluid port and the 3rd hydraulic fluid port are communicated with, and the second hydraulic fluid port and the 4th hydraulic fluid port are communicated with.
The present invention compared with prior art, has following beneficial effect:
(1) system has been used the fluid pressure governor being comprised of pressure charging valve, the 5th hydraulic control one-way valve, accumulator and variable displacement motor, can be used for receiving the pressure oil of rotary motor, and by the supercharging of pressure charging valve and the energy storage of accumulator, realized self changing of hydraulic energy, be that low pressure arrives high pressure, overcome by hydraulic energy and to the complexity of hydraulic energy, changed again to mechanical energy, electric energy, reduced power conversion link.
(2) at energy recovery stage, when oil liquid pressure is lower, pressure oil enters accumulator by pressure charging valve supercharging, and when oil liquid pressure is higher, pressure oil directly enters accumulator by pressure charging valve, has greatly improved energy recovery efficiency.
(3) at energy, discharge the stage, pressure charging valve cuts out, the 5th hydraulic control one-way valve is opened, pressure oil in accumulator drives variable displacement motor and motor after the power distribution of transfer case, to drive main pump work, make the energy reclaiming obtain abundant release, motor steady operation, in fuel efficient district, reduces oil consumption.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done further and illustrated, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is the structural representation of energy-recuperation system of the present invention.
The specific embodiment
Embodiment
Reference numeral in the present embodiment Fig. 1 is corresponding as follows: the first fuel tank 1, main pump 2, motor 3, main reversing valve 4, the first pilot operated directional control valve 5, the second pilot operated directional control valve 6, the first one way valve 7, the second one way valve 8, the first overflow valve 9, the second overflow valve 10, the first solenoid operated directional valve 11, the second solenoid operated directional valve 12, rotary motor 13, the first hydraulic control one-way valve 14, the second hydraulic control one-way valve 15, choke valve 16, pilot operated handle 17, the 3rd hydraulic control one-way valve 18, the 4th hydraulic control one-way valve 19, controller 20, transfer case 21, pressure charging valve 22, accumulator 23, the 5th hydraulic control one-way valve 24, pressure gauge 25, variable displacement motor 26, speed probe 27, the second fuel tank 28.
As shown in Figure 1, the present embodiment digger revolving brake energy recovering system comprise the first fuel tank 1, main pump 2, motor 3, main reversing valve 4, the first pilot operated directional control valve 5, the second pilot operated directional control valve 6, the first one way valve 7, the second one way valve 8, the first overflow valve 9, the second overflow valve 10, the first solenoid operated directional valve 11, the second solenoid operated directional valve 12, rotary motor 13, the first hydraulic control one-way valve 14, the second hydraulic control one-way valve 15, choke valve 16, pilot operated handle 17, the 3rd hydraulic control one-way valve 18, the 4th hydraulic control one-way valve 19, controller 20, transfer case 21, pressure charging valve 22, accumulator 23, the 5th hydraulic control one-way valve 24, pressure gauge 25, variable displacement motor 26, speed probe 27, the second fuel tank 28, the power transmission shaft of motor 3 is connected with the first power shaft I of transfer case 21, the second power shaft II of transfer case 21 is connected with the output shaft of variable displacement motor 26, the output shaft of transfer case 21 is connected with the power shaft of main pump 2, main reversing valve 4 has four hydraulic fluid ports, main pump 2 delivery outlets are connected with the first hydraulic fluid port 4P of main reversing valve 4, the 4th hydraulic fluid port 4T of main reversing valve 4 is connected to the first fuel tank 1, the first solenoid operated directional valve 11 and the second solenoid operated directional valve 12 have three hydraulic fluid ports, the second hydraulic fluid port 4A of main reversing valve 4 is connected with the second hydraulic fluid port 11B of the first solenoid operated directional valve 11, the 3rd hydraulic fluid port 11C of the first solenoid operated directional valve 11 is connected with the A mouth of rotary motor 13, the B mouth of rotary motor 13 is connected to the 3rd hydraulic fluid port 12C of the second solenoid operated directional valve 12, the first hydraulic fluid port 12A of the second solenoid operated directional valve 12 is connected with the 3rd hydraulic fluid port 4B of main reversing valve 4.
Bypass between described main reversing valve 4 the 3rd hydraulic fluid port 4B and the second solenoid operated directional valve 12 first hydraulic fluid port 12A is connected with the second one way valve 8, the second pilot operated directional control valve 6, the second overflow valve 10.The second hydraulic fluid port 12B of the second solenoid operated directional valve 12 is connected with the entrance of the 3rd hydraulic control one-way valve 18, and the outlet of the 3rd hydraulic control one-way valve 18 is connected to the first hydraulic fluid port 22A of pressure charging valve 22.
Bypass between described main reversing valve 4 second hydraulic fluid port 4A and the second hydraulic fluid port 11B of the first solenoid operated directional valve 11 is connected with the first one way valve 7, the first pilot operated directional control valve 5, the first overflow valve 9.The first hydraulic fluid port 11A of the first solenoid operated directional valve 11 is connected with the entrance of the 4th hydraulic control one-way valve 19, and the outlet of the 4th hydraulic control one-way valve 19 is connected to the first hydraulic fluid port 22A of pressure charging valve 22.
The hydraulic control mouth of guide's hydraulic fluid port of described the first pilot operated directional control valve 5, the 4th pilot operated directional control valve 19 is connected with the 3rd hydraulic fluid port 4B of main reversing valve 4, and the hydraulic control mouth of guide's hydraulic fluid port of the second pilot operated directional control valve 6, the 3rd hydraulic control one-way valve 18 is connected with the second hydraulic fluid port 4A of main reversing valve 4.When the second hydraulic fluid port 4A of main reversing valve 4 does not have pressure oil output, the second pilot operated directional control valve 6 is closed, and the 3rd hydraulic control one-way valve 18 is opened; When the 3rd hydraulic fluid port 4B of main reversing valve 4 does not have pressure oil output, the first pilot operated directional control valve 5 is closed, and the 4th hydraulic control one-way valve 19 is opened.
The control signal of pilot operated handle 17 is outputed to respectively the left and right signal end of main reversing valve 4 by X, Y port, controller 20 receives mode of operation signal, the pressure signal of pressure gauge 25 and the tach signal of speed probe 27 of X, Y end simultaneously, and to main pump 2, pressure charging valve 22, motor 3, choke valve 16 and variable displacement motor 26, exports control signals by controller 20.
The 5th hydraulic control one-way valve 24 is controlled by pressure charging valve 22 signal ends, and control signal is sent by the commutation signal of pressure charging valve 22, the 5th hydraulic control one-way valve 24 work when pressure charging valve 22 cuts out.
The control signal of main reversing valve 4 is controlled by pilot operated handle 17, when handle goes to X end, and the left position work of main reversing valve 4, the first hydraulic fluid port 4P and the second hydraulic fluid port 4A are communicated with, and the 3rd hydraulic fluid port 4B and the 4th hydraulic fluid port 4T are communicated with; When handle goes to Y end, the right position work of main reversing valve 4, the first hydraulic fluid port 4P and the 3rd hydraulic fluid port 4B are communicated with, and the second hydraulic fluid port 4A and the 4th hydraulic fluid port 4T are communicated with.
As shown in Figure 1, when pilot operated handle 17 is placed in left end X, start working in the left position of main reversing valve 4, the first hydraulic fluid port 4P is connected with the second hydraulic fluid port 4A, the 3rd hydraulic fluid port 4B is connected with the 4th hydraulic fluid port 4T, the right position work of the second solenoid operated directional valve 12, the 3rd hydraulic fluid port 12C is connected with the second hydraulic fluid port 12B, hydraulic oil from the first fuel tank 1 through main pump 2, the first solenoid operated directional valve 11, enter the A chamber of rotary motor 13, the B chamber hydraulic oil of rotary motor 13 is through the second hydraulic fluid port 12B of the second solenoid operated directional valve 12 second pilot operated directional control valve 6 of flowing through, the second one way valve 8 is got back to the first fuel tank 1, rotary motor 13 rotates.
When guide's operating grip 17 is placed in right-hand member Y, start working in the right position of main reversing valve 4, the first hydraulic fluid port 4P is connected with the 3rd hydraulic fluid port 4B, the second hydraulic fluid port 4A is connected with the 4th hydraulic fluid port 4T, the left position work of the first solenoid operated directional valve 11, the 3rd hydraulic fluid port 11C is connected with the first hydraulic fluid port 11A, hydraulic oil from the first fuel tank 1 through main pump 2, the second solenoid operated directional valve 12, enter the B chamber of rotary motor 13, the A chamber hydraulic oil of rotary motor 13 is got back to the first fuel tank 1 through flow through the first pilot operated directional control valve 5, the first one way valve 7 of the first hydraulic fluid port 11A of the first solenoid operated directional valve 11, and rotary motor 13 rotates.
When rotary motor 13 rotates, hydraulic oil flows to B chamber from A chamber, when revolving dial need to be braked, controller 20 sends signal to main pump 2 and choke valve 16, main pump 2 quits work, choke valve 16 left position work, hydraulic fluid port 16A and 16B are communicated with, now the second pilot operated directional control valve 6 is closed, the 3rd hydraulic control one-way valve 18 is opened, the first hydraulic control one-way valve 14 work, the second hydraulic control one-way valve 15 is not worked, rotary motor 13 is rotated further under effect of inertia, A cavity pressure raises, pressure oil from the second fuel tank 29 through choke valve 16, the first hydraulic control one-way valve 14 enters the A chamber of rotary motor 13, the pressure oil in B chamber is through the second solenoid operated directional valve 12, the 3rd hydraulic control one-way valve 18, pressure charging valve 22 enters accumulator 23, accumulator 23 is in energy storage state, when pressure gauge 25 detects pressure signal and diminishes, controller 20 sends signal to pressure charging valve 22, pressure charging valve 22 cuts out, the 5th hydraulic control one-way valve 24 is opened, energy reclaims complete.
When rotary motor 13 rotates, hydraulic oil flows to A chamber from B chamber, when revolving dial need to be braked, controller 20 sends signal to main pump 2 and choke valve 16, main pump 2 quits work, choke valve 16 left position work, hydraulic fluid port 16A and 16B are communicated with, now the first pilot operated directional control valve 5 is closed, the 4th hydraulic control one-way valve 19 is opened, the second hydraulic control one-way valve 15 work, the first hydraulic control one-way valve 14 is not worked, rotary motor 13 is rotated further under effect of inertia, B cavity pressure raises, pressure oil from the second fuel tank 29 through choke valve 16, the second hydraulic control one-way valve 15 enters the B chamber of rotary motor 13, the pressure oil in A chamber is through the first solenoid operated directional valve 11, the 4th hydraulic control one-way valve 19, pressure charging valve 22 enters accumulator 23, accumulator 23 is in energy storage state, when pressure gauge 25 detects pressure signal and diminishes, controller 20 sends signal to pressure charging valve 22, pressure charging valve 22 cuts out, the 5th hydraulic control one-way valve 24 is opened, energy reclaims complete.
When rotary motor 13 is rotated further, controller 20 sends signal to variable displacement motor 26, motor 3, main pump 2, pressure oil in accumulator 23 drives variable displacement motor 26 and power distribution rear drive main pump 2 work of motor 3 through transfer case through the 5th hydraulic control one-way valve 24, when speed probe 27 detects the output speed decline of variable displacement motor 26, controller sends signal to variable displacement motor 26, motor 3, main pump 2, variable displacement motor 26 quits work, now by motor 3, drive main pump 2 to rotate, continue to drive rotary motor 13 to rotate.In energy release process, variable displacement motor 26 is mechanical energy by the Conversion of Energy of accumulator 23, combines output with motor, makes up because load becomes motor 3 output deficiencies large and that cause, stablize motor 3 and be operated in fuel efficient district, improve fuel economy, save excavator oil consumption.
The invention provides a kind of digger revolving brake energy recovering system; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.
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| CN201310535753.8A CN103628519B (en) | 2013-11-01 | 2013-11-01 | Excavator gyration braking energy recovery system |
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| CN201310535753.8A CN103628519B (en) | 2013-11-01 | 2013-11-01 | Excavator gyration braking energy recovery system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993624A (en) * | 2014-06-06 | 2014-08-20 | 山东中川液压有限公司 | Energy release control device of energy accumulator of hydraulic excavator |
| CN104196079A (en) * | 2014-07-25 | 2014-12-10 | 昆山三一数字科技有限公司 | Hydraulic excavator hybrid power system and hydraulic excavator thereof |
| CN104358749A (en) * | 2014-09-30 | 2015-02-18 | 徐州徐工挖掘机械有限公司 | Energy recovery and utilization system for movable arm potential energy |
| CN104563193A (en) * | 2014-12-26 | 2015-04-29 | 潍柴动力股份有限公司 | Excavator and hydraulic power system thereof |
| CN108708422A (en) * | 2018-05-30 | 2018-10-26 | 马鞍山松鹤信息科技有限公司 | A kind of energy saving excavator |
| CN109963986A (en) * | 2017-09-29 | 2019-07-02 | 株式会社日立建机Tierra | The fluid pressure drive device of Work machine |
| CN110499794A (en) * | 2019-08-30 | 2019-11-26 | 中国矿业大学 | A heavy-duty boom potential energy recovery system and control method for a large hydraulic excavator |
| CN109715889B (en) * | 2016-09-12 | 2021-06-22 | 斗山英维高株式会社 | Control system for construction machine and control method for construction machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3625149B2 (en) * | 1999-03-31 | 2005-03-02 | コベルコ建機株式会社 | Hydraulic control circuit for construction machinery |
| CN102587444A (en) * | 2012-03-07 | 2012-07-18 | 浙江大学 | Oil hybrid system for excavator with energy differential recovery |
| JP2012159131A (en) * | 2011-01-31 | 2012-08-23 | Kcm:Kk | Hydraulic pump control system for industrial vehicle and industrial vehicle |
| CN202745096U (en) * | 2012-09-11 | 2013-02-20 | 华南理工大学 | Hybrid power system capable of recycling potential energy of movable arm of excavator |
-
2013
- 2013-11-01 CN CN201310535753.8A patent/CN103628519B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3625149B2 (en) * | 1999-03-31 | 2005-03-02 | コベルコ建機株式会社 | Hydraulic control circuit for construction machinery |
| JP2012159131A (en) * | 2011-01-31 | 2012-08-23 | Kcm:Kk | Hydraulic pump control system for industrial vehicle and industrial vehicle |
| CN102587444A (en) * | 2012-03-07 | 2012-07-18 | 浙江大学 | Oil hybrid system for excavator with energy differential recovery |
| CN202745096U (en) * | 2012-09-11 | 2013-02-20 | 华南理工大学 | Hybrid power system capable of recycling potential energy of movable arm of excavator |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993624A (en) * | 2014-06-06 | 2014-08-20 | 山东中川液压有限公司 | Energy release control device of energy accumulator of hydraulic excavator |
| CN103993624B (en) * | 2014-06-06 | 2016-02-24 | 山东中川液压有限公司 | A kind of hydraulic crawler excavator accumulator Energy release control device |
| CN104196079A (en) * | 2014-07-25 | 2014-12-10 | 昆山三一数字科技有限公司 | Hydraulic excavator hybrid power system and hydraulic excavator thereof |
| CN104358749A (en) * | 2014-09-30 | 2015-02-18 | 徐州徐工挖掘机械有限公司 | Energy recovery and utilization system for movable arm potential energy |
| CN104563193A (en) * | 2014-12-26 | 2015-04-29 | 潍柴动力股份有限公司 | Excavator and hydraulic power system thereof |
| CN104563193B (en) * | 2014-12-26 | 2017-07-28 | 潍柴动力股份有限公司 | A kind of excavator and its hydraulic power system |
| CN109715889B (en) * | 2016-09-12 | 2021-06-22 | 斗山英维高株式会社 | Control system for construction machine and control method for construction machine |
| CN109963986A (en) * | 2017-09-29 | 2019-07-02 | 株式会社日立建机Tierra | The fluid pressure drive device of Work machine |
| CN109963986B (en) * | 2017-09-29 | 2021-05-07 | 株式会社日立建机Tierra | Hydraulic drive device for working machine |
| CN108708422A (en) * | 2018-05-30 | 2018-10-26 | 马鞍山松鹤信息科技有限公司 | A kind of energy saving excavator |
| CN110499794A (en) * | 2019-08-30 | 2019-11-26 | 中国矿业大学 | A heavy-duty boom potential energy recovery system and control method for a large hydraulic excavator |
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