CN204612947U - Excavator simulation loading test macro - Google Patents

Excavator simulation loading test macro Download PDF

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Publication number
CN204612947U
CN204612947U CN201520202285.7U CN201520202285U CN204612947U CN 204612947 U CN204612947 U CN 204612947U CN 201520202285 U CN201520202285 U CN 201520202285U CN 204612947 U CN204612947 U CN 204612947U
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CN
China
Prior art keywords
main pump
solenoid
operated proportional
proportional reduction
reduction valve
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Expired - Fee Related
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CN201520202285.7U
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Chinese (zh)
Inventor
高学文
王辉
黄鸣辉
倪志伟
庞晓燕
沈鹏
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.)
China Heavy Machinery (changzhou) Excavator Co Ltd
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China Heavy Machinery (changzhou) Excavator Co Ltd
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Priority to CN201520202285.7U priority Critical patent/CN204612947U/en
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Publication of CN204612947U publication Critical patent/CN204612947U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a kind of excavator simulation loading test macro, comprise engine, the first main pump, the second main pump, the 3rd main pump, hydraulic reservoir, auxiliary fuel tank and controller, engine driven three main pumps, first main pump and the second main pump are connected in parallel to hydraulic reservoir, the oil circuit of the first main pump and the second main pump adds flow sensor, pressure transducer and electromagnetic proportion relief valve respectively, and electromagnetic proportion relief valve connects auxiliary fuel tank; Described 3rd main pump is connected in parallel to two solenoid-operated proportional reduction valve, and solenoid-operated proportional reduction valve is connected in parallel to auxiliary fuel tank; Two solenoid-operated proportional reduction valve are connected with the first main pump and the second main pump respectively.Whole test is loaded by simulative loader, does not need driver to operate, and can test in indoor, therefore tests the external factor impacts such as skill level not operated by the driver, weather condition, test site condition.

Description

Excavator simulation loading test macro
Technical field
The utility model relates to test macro technical field, especially a kind of excavator simulation loading test macro.
Background technology
Concerning excavator, oil consumption and efficiency are the main indexs of performance evaluation.According to the feature of excavator operating mode, be engraved in change during the output load of engine, and alter a great deal, each excavator main engine plants constantly adjust automatically controlled program, and attempt a large amount of methods evaluating oil consumption and the efficiency of excavator, to find the optimal balance point of oil consumption and efficiency under different operating mode.
At present, the factory's oil consumption of most mining machine host and efficiency test be by driver on the spot dredge operation carry out, but this method be subject to following various factors impact:
1, human factor, the state of driver's skilled operation degree and driver;
2, natural cause: the weather condition that test is, edaphic condition;
3, equipment factor: when surveying oil consumption, if utilize weight method to weigh, need at the outside plug-in oil drum of fuel tank, each dismounting all can have fuel blow and air to enter, and affects test result; If with testing flow meter, engine is by the impact of load change, and moment oil consumption is not steady, and fluctuation is comparatively large, also larger on test result impact.
Affect by above factor, each test needs to do a large amount of experiments, and rainy weather cannot be tested, and the experiment that Various Seasonal is worked it out does not have comparative.And done efficiency test result by this method, can only by the earth volume excavated qualitatively analysis mining machine export and increase or reduce, can not be quantitative how much analyze actual output.And the restriction of tested person place, under testing different operating mode, fuel consumption efficiency is difficult to realize.Like this, excavator be adjusted to a desirable state, need longer one-period.
Utility model content
The technical problems to be solved in the utility model is: the problem being subject to the impact of human factor, natural cause and equipment factor in order to solve excavator oil consumption and efficiency test, provides a kind of excavator simulation loading test macro.
The utility model solves the technical scheme that its technical matters adopts: a kind of excavator simulation loading test macro, comprise engine, the first main pump, the second main pump, the 3rd main pump, hydraulic reservoir, auxiliary fuel tank and controller, described engine driven first main pump, the second main pump and the 3rd main pump, described first main pump and the second main pump are connected in parallel to hydraulic reservoir, described first main pump is sequentially connected in series the first pressure transducer, first-class gauge and the first electromagnetic proportion relief valve, described first electromagnetic proportion relief valve auxiliary connection fuel tank; Described second main pump is sequentially connected in series the second pressure transducer, second gauge and the second electromagnetic proportion relief valve, described second electromagnetic proportion relief valve auxiliary connection fuel tank; Described 3rd main pump is connected in parallel to the first solenoid-operated proportional reduction valve and the second solenoid-operated proportional reduction valve, described first solenoid-operated proportional reduction valve and the second solenoid-operated proportional reduction valve are connected in parallel to auxiliary fuel tank; Described first solenoid-operated proportional reduction valve is connected with the first main pump, and described second solenoid-operated proportional reduction valve is connected with the second main pump;
Described controller is provided with the first input interface, second input interface, 3rd input interface, 4th input interface and the 5th input interface, described first input interface connects the first pressure transducer, second input interface connects the second pressure transducer, 3rd input interface connects first-class gauge, 4th input interface connects second gauge, described controller is also provided with the first output interface, second output interface, 3rd output interface, 4th output interface and memory module, described first output interface connects the first electromagnetic proportion relief valve, described second output interface connects the second electromagnetic proportion relief valve, described 3rd output interface connects the first solenoid-operated proportional reduction valve, described 4th output interface connects the second solenoid-operated proportional reduction valve.
Described auxiliary fuel tank is provided with electronic weighing instrument, and described electronic weighing instrument is connected with the 5th input interface signal.
Described controller is also provided with communication interface, and controller is connected with computing machine by described communication interface.
Controller is connected by PORT COM with computing machine, loading procedure is imported to controller, then startup optimization excavator starts test, and controller exports specific currents, and specific currents can be the electric current gathered in steady current, exchange current, sinusoidal current or actual condition; First output interface of the first electromagnetic proportion relief valve and the second electromagnetic proportion relief valve difference connection control device and the second output interface, according to the dissimilar current signal that controller sends, first electromagnetic proportion relief valve and the second electromagnetic proportion relief valve form different loads, simulate and load the first main pump and the second main pump; 3rd output interface of the first solenoid-operated proportional reduction valve and the second solenoid-operated proportional reduction valve difference connection control device and the 4th output interface, according to the dissimilar current signal that controller sends, first solenoid-operated proportional reduction valve and the second solenoid-operated proportional reduction valve form different loads, and simulation external operation factors is on the impact of the first main pump and the second main pump power; First main pump oil circuit is equipped with first-class gauge and the first pressure transducer, detects the pressure of the first main pump oil circuit and flow signal and be transferred to controller output load, controlling the feedback pressure of the first main pump, and then control the output power of the first main pump; Second main pump oil circuit adds second gauge and the second pressure transducer, detect the pressure of the second main pump oil circuit and flow signal and be transferred to controller output load, controlling the feedback pressure of the second main pump, and then control the output power of the second main pump; The weight signal of auxiliary fuel tank is sent to controller by electronic weighing instrument, and controller carries out calculating and records storage.
The beneficial effects of the utility model are, by fictitious load loading system to main pump input dead load or the outside periodicity cycling alternating load gathered, and simulation actual working environment, and calculate system real power output situation by the pressure flow data collected; Because whole test is loaded by fictitious load loader, do not need driver to operate, can test in indoor, therefore test the external factor impacts such as skill level not operated by the driver, weather condition, test site condition; Test process utilizes weight method to measure fuel consumption, and hydraulic reservoir does not fill on board a dredger so can not be subject to the impact of excavator vibration, from electronic weighing instrument, therefore can read the weight of fuel oil in real time, and then calculates the consumption of fuel oil; Load loading system and additional fuel oil case are not contained on main pump, make removable testing table, and can get rid of the impact vibrated in excavator operational process, test result is more accurate; Utilize simulated loading system to test, can debugging cycle be shortened, improve automatically controlled debugging efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
In figure: 1. the first main pump, 11. first pressure transducers, 12. first-class gauge, 13. first electromagnetic proportion relief valves, 2. the second main pump, 21. second pressure transducers, 22. second gauge, 23. second electromagnetic proportion relief valves, 3. the 3rd main pump, 31. first solenoid-operated proportional reduction valve, 32. second solenoid-operated proportional reduction valve, 4. engine, 5. hydraulic reservoir, 6. controller, 7. auxiliary fuel tank, 8, communication interface, I1. the first input interface, I2. the second input interface, I3. the 3rd input interface, I4. the 4th input interface, I5. the 5th input interface, 01. first output interface, 02. second output interface, 03. the 3rd output interface, 04. the 4th output interface, 05. memory module.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of excavator simulation loading test macro, comprise engine 4, first main pump 1, second main pump 2, the 3rd main pump 3, hydraulic reservoir 5, auxiliary fuel tank 7 and controller 6, described engine 4 drives the first main pump 1, second main pump 2 and the 3rd main pump 3, described first main pump 1 and the second main pump 2 are connected in parallel to hydraulic reservoir 5, described first main pump 1 is sequentially connected in series the first pressure transducer 11, first-class gauge 12 and the first electromagnetic proportion relief valve 13, described first electromagnetic proportion relief valve 13 auxiliary connection fuel tank 7, described second main pump 2 is sequentially connected in series the second pressure transducer 21, second gauge 22 and the second electromagnetic proportion relief valve 23, described second electromagnetic proportion relief valve 23 auxiliary connection fuel tank 7, described 3rd main pump 3 is connected in parallel to the first solenoid-operated proportional reduction valve 31 and the second solenoid-operated proportional reduction valve 32, described first solenoid-operated proportional reduction valve 31 and the second solenoid-operated proportional reduction valve 32 are connected in parallel to auxiliary fuel tank 7, described first solenoid-operated proportional reduction valve 31 is connected with the first main pump 1, and described second solenoid-operated proportional reduction valve 32 is connected with the second main pump 2, described controller 6 is provided with the first input interface I1, second input interface I2, 3rd input interface I3, 4th input interface I4 and the 5th input interface I5, described first input interface I1 connects the first pressure transducer 11, second input interface I2 connects the second pressure transducer 21, 3rd input interface I3 connects first-class gauge 12, 4th input interface I4 connects second gauge 22, described controller 6 is also provided with the first output interface 01, second output interface 02, 3rd output interface 03, 4th output interface 04 and memory module 05, described first output interface 01 connects the first electromagnetic proportion relief valve 13, described second output interface 02 connects the second electromagnetic proportion relief valve 23, described 3rd output interface 03 connects the first solenoid-operated proportional reduction valve 31, described 4th output interface 04 connects the second solenoid-operated proportional reduction valve 32.Described auxiliary fuel tank 7 is provided with electronic weighing instrument, and described electronic weighing instrument is connected with the 5th input interface I5 signal.Described controller 6 is also provided with communication interface 8, and controller 6 is connected with computing machine by described communication interface 8.
Controller 6 is connected by PORT COM 8 with computing machine, loading procedure is imported to controller 6, then startup optimization excavator starts test, and controller 6 exports specific currents, and specific currents can be the electric current gathered in steady current, exchange current, sinusoidal current or actual condition; First output interface 01 and the second output interface 02 of the first electromagnetic proportion relief valve 13 and the second electromagnetic proportion relief valve 23 difference connection control device 6, according to the dissimilar current signal that controller 6 sends, first electromagnetic proportion relief valve 13 and the second electromagnetic proportion relief valve 23 form different loads, simulate and load the first main pump 1 and the second main pump 2; 3rd output interface 03 of the first solenoid-operated proportional reduction valve 31 and the second solenoid-operated proportional reduction valve 32 difference connection control device 6 and the 4th output interface 04, according to the dissimilar current signal that controller 6 sends, first solenoid-operated proportional reduction valve 31 and the second solenoid-operated proportional reduction valve 32 form different loads, and simulation external operation factors is on the impact of the first main pump 1 and the second main pump 2 power; First-class gauge 12 and the first pressure transducer 11 first main pump 1 oil circuit be equipped with, detect the pressure of the first main pump 1 oil circuit and flow signal and be transferred to controller 6 output load, control the feedback pressure of the first main pump 1, and then control the output power of the first main pump 1; Second main pump 2 oil circuit adds second gauge 22 and the second pressure transducer 21, detect the pressure of the second main pump 2 oil circuit and flow signal and be transferred to controller 6 output load, control the feedback pressure of the second main pump 2, and then control the output power of the second main pump 2; The weight signal of auxiliary fuel tank 7 is sent to controller 6 by electronic weighing instrument, and controller 6 carries out calculating and records storage.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.

Claims (3)

1. an excavator simulation loading test macro, it is characterized in that: comprise engine (4), first main pump (1), second main pump (2), 3rd main pump (3), hydraulic reservoir (5), auxiliary fuel tank (7) and controller (6), described engine (4) drives the first main pump (1), second main pump (2) and the 3rd main pump (3), described first main pump (1) and the second main pump (2) are connected in parallel to hydraulic reservoir (5), described first main pump (1) has been sequentially connected in series the first pressure transducer (11), first-class gauge (12) and the first electromagnetic proportion relief valve (13), described first electromagnetic proportion relief valve (13) auxiliary connection fuel tank (7), described second main pump (2) is sequentially connected in series the second pressure transducer (21), second gauge (22) and the second electromagnetic proportion relief valve (23), described second electromagnetic proportion relief valve (23) auxiliary connection fuel tank (7), described 3rd main pump (3) is connected in parallel to the first solenoid-operated proportional reduction valve (31) and the second solenoid-operated proportional reduction valve (32), described first solenoid-operated proportional reduction valve (31) and the second solenoid-operated proportional reduction valve (32) are connected in parallel to auxiliary fuel tank (7), described first solenoid-operated proportional reduction valve (31) is connected with the first main pump (1), and described second solenoid-operated proportional reduction valve (32) is connected with the second main pump (2),
Described controller (6) is provided with the first input interface (I1), second input interface (I2), 3rd input interface (I3), 4th input interface (I4) and the 5th input interface (I5), described first input interface (I1) connects the first pressure transducer (11), second input interface (I2) connects the second pressure transducer (21), 3rd input interface (I3) connects first-class gauge (12), 4th input interface (I4) connects second gauge (22), described controller (6) is also provided with the first output interface (01), second output interface (02), 3rd output interface (03), 4th output interface (04) and memory module (05), described first output interface (01) connects the first electromagnetic proportion relief valve (13), described second output interface (02) connects the second electromagnetic proportion relief valve (23), described 3rd output interface (03) connects the first solenoid-operated proportional reduction valve (31), described 4th output interface (04) connects the second solenoid-operated proportional reduction valve (32).
2. excavator simulation loading test macro as claimed in claim 1, it is characterized in that: described auxiliary fuel tank (7) is provided with electronic weighing instrument, described electronic weighing instrument is connected with the 5th input interface (I5) signal.
3. excavator simulation loading test macro as claimed in claim 1, it is characterized in that: described controller (6) is also provided with communication interface (8), controller (6) is connected with computing machine by described communication interface (8).
CN201520202285.7U 2015-04-03 2015-04-03 Excavator simulation loading test macro Expired - Fee Related CN204612947U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959212A (en) * 2017-02-28 2017-07-18 广西康明斯工业动力有限公司 Engine dynamic comprehensive consumption run platform method of testing
CN109883744A (en) * 2019-02-22 2019-06-14 柳州北斗星液压科技有限公司 A kind of device and method for excavator thermal equilibrium analysis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959212A (en) * 2017-02-28 2017-07-18 广西康明斯工业动力有限公司 Engine dynamic comprehensive consumption run platform method of testing
CN109883744A (en) * 2019-02-22 2019-06-14 柳州北斗星液压科技有限公司 A kind of device and method for excavator thermal equilibrium analysis
CN109883744B (en) * 2019-02-22 2021-05-07 柳州北斗星液压科技有限公司 Device and method for analyzing thermal balance of excavator

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150902

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CF01 Termination of patent right due to non-payment of annual fee