CN204662544U - A kind of fluid electric mixed dynamic system of loader - Google Patents
A kind of fluid electric mixed dynamic system of loader Download PDFInfo
- Publication number
- CN204662544U CN204662544U CN201520263236.4U CN201520263236U CN204662544U CN 204662544 U CN204662544 U CN 204662544U CN 201520263236 U CN201520263236 U CN 201520263236U CN 204662544 U CN204662544 U CN 204662544U
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- solenoid operated
- operated directional
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- directional valve
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Abstract
The utility model discloses a kind of fluid electric mixed dynamic system of loader, be made up of motor, clutch, integrated motor, hydraulic pump, one way valve, proportional pressure control valve, safety valve, solenoid operated directional valve, proportional reversing valve, swing arm hydraulic cylinder, accumulator, hydraulic steering cylinder, fuel tank, electrokinetic cell, drive motors, gear-box, power transmission shaft, drive axle.Described solenoid operated directional valve comprises the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve, the 4th solenoid operated directional valve, the 5th solenoid operated directional valve; Described safety valve comprises the first safety valve, the second safety valve; Described drive axle comprises front driving axle, rear driving axle.The machinery that the utility model achieves between motor and wheel is full decoupled, makes motor be operated in high efficiency range, reduces oil consumption; Adopt hydraulic accumulator to reclaim movable arm potential energy, and the energy that can be stored is used for driving steering mechanism, improves the capacity usage ratio of loader.
Description
Technical field
The utility model relates to a kind of dynamical system of hybrid power loader, particularly a kind of fluid electric mixed dynamic system of loader.
Background technology
Existing conventional load machine is in cycle operation operating mode, and motor often departs from efficient district, causes the oil consumption of complete machine height.In addition, existing Technology of Hybrid Electric Vehicle is not considered to reclaim movable arm potential energy, makes it dissipate with the form of heat energy, is unfavorable for the fuel economy of loader.
Summary of the invention
The purpose of this utility model is to provide a kind of fluid electric mixed dynamic system of loader.
The utility model is made up of motor, clutch, integrated motor, hydraulic pump, one way valve, proportional pressure control valve, safety valve, solenoid operated directional valve, proportional reversing valve, swing arm hydraulic cylinder, accumulator, hydraulic steering cylinder, fuel tank, electrokinetic cell, drive motors, gear-box, power transmission shaft, drive axle.Described solenoid operated directional valve comprises the first solenoid operated directional valve, the second solenoid operated directional valve, the 3rd solenoid operated directional valve, the 4th solenoid operated directional valve, the 5th solenoid operated directional valve; Described safety valve comprises the first safety valve, the second safety valve; Described drive axle comprises front driving axle, rear driving axle; Described engine output shaft is connected with clutch left end, and clutch right-hand member is connected with integrated motor, and integrated motor is coaxially connected with hydraulic pump; Described drive motors is connected with electrokinetic cell with integrated motor by cable, and drive motors output shaft is connected with gear-box; Described power transmission shaft is connected with gear-box; The oil-out of described hydraulic pump divides two-way, and the first via is connected with the P mouth of the 5th solenoid operated directional valve, and the second tunnel is connected with the oil-in of one way valve; The oil-out of one way valve divides three tunnels, and the first via is connected with the oil-in of proportional pressure control valve, and the second tunnel is connected with the oil-in of the first safety valve, and the 3rd tunnel is connected with the P mouth of proportional reversing valve; The A mouth of proportional reversing valve is connected with the rodless cavity of swing arm hydraulic cylinder, and B mouth is connected with rod chamber, and T mouth is connected with the P mouth of the first solenoid operated directional valve; The A mouth of the first solenoid operated directional valve divides two-way, and the first via is connected with accumulator, and the second tunnel is connected with the P mouth of the second solenoid operated directional valve, and B mouth is connected with fuel tank; The A mouth of the 5th solenoid operated directional valve divides 3 tunnels, and the first via is connected with the A mouth of the second solenoid operated directional valve, and the second tunnel is connected with the oil-in of the second safety valve, and the 3rd tunnel is connected with the P mouth of the 4th solenoid operated directional valve; The A mouth of the 4th solenoid operated directional valve is connected with the P mouth of the 3rd solenoid operated directional valve, and B mouth is connected with the T mouth of the 3rd solenoid operated directional valve, and T mouth is connected with fuel tank; The A mouth of the 3rd solenoid operated directional valve is connected with the rod chamber of hydraulic steering cylinder, and B mouth is connected with the rodless cavity of hydraulic steering cylinder.
Compared with prior art the beneficial effects of the utility model are:
1. the machinery that achieves between motor and wheel of the utility model is full decoupled, makes motor be operated in high efficiency range, improves overall efficiency;
3. the utility model adopts the hydraulic accumulator that energy density is higher to reclaim movable arm potential energy, can provide better recovering effect, and the energy that can be stored is used for driving steering mechanism, improves the capacity usage ratio of loader.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is structure of the present utility model composition and operating principle schematic diagram;
Fig. 2 is the power transmission line figure of the static start-up mode of motor;
Fig. 3 is the power transmission line figure of motor driving start-up mode;
Fig. 4 is the power transmission line figure of pure motorized motions;
Fig. 5 is the power transmission line figure of the direct transfer mode of power;
Fig. 6 is the power transmission line figure of power dividing pattern;
Fig. 7 is the power transmission line figure of associating drive pattern of running at high speed;
Fig. 8 is the power transmission line figure of low speed operation associating drive pattern;
Fig. 9 is the power transmission line figure of braking mode;
Figure 10 is the power transmission line figure of movable arm potential energy take-back model;
Figure 11 is that accumulator drives the power transmission line figure turning to pattern;
Figure 12 is the power transmission line figure that electric drive turns to pattern;
Figure 13 is the power transmission line figure that motor driven turns to pattern;
In figure: 1. motor, 2. clutch, 3. integrated motor, 4. hydraulic pump, 5. one way valve, 6. proportional pressure control valve, 7. the first safety valve, the 8, first solenoid operated directional valve, 9, proportional reversing valve, 10, swing arm hydraulic cylinder, 11. accumulators, 12. second solenoid operated directional valves, 13. hydraulic steering cylinders, 14. the 3rd solenoid operated directional valves, 15. the 4th solenoid operated directional valves, 16. second safety valves, 17. the 5th solenoid operated directional valves, 18. fuel tanks, 19. front driving axles, 20. electrokinetic cells, 21. drive motors, 22. gear-boxes, 23. power transmission shafts, 24. rear driving axles.
Detailed description of the invention
Refer to Fig. 1, for embodiment of the present utility model, this embodiment is by motor 1, clutch 2, and integrated motor 3, hydraulic pump 4, one way valve 5, proportional pressure control valve 6, safety valve, solenoid operated directional valve, proportional reversing valve 9, swing arm hydraulic cylinder 10, accumulator 11, hydraulic steering cylinder 13, fuel tank 18, electrokinetic cell 20, drive motors 21, gear-box 22, power transmission shaft 23, drive axle form.Described solenoid operated directional valve comprises the first solenoid operated directional valve 8, second solenoid operated directional valve 12, the 3rd solenoid operated directional valve 14, the 4th solenoid operated directional valve 15, the 5th solenoid operated directional valve 17; Described safety valve comprises the first safety valve 7, second safety valve 16; Described drive axle comprises front driving axle 19, rear driving axle 23; Described motor 1 output shaft is connected with clutch 2 left end, and clutch 2 right-hand member is connected with integrated motor 3, and integrated motor 3 is coaxially connected with hydraulic pump 4; Described drive motors 21 is connected with electrokinetic cell 20 with integrated motor 3 by cable, and drive motors 21 output shaft is connected with gear-box 22; Described power transmission shaft 23 is connected with gear-box 22; The oil-out of described hydraulic pump 4 divides two-way, and the first via is connected with the P mouth of the 5th solenoid operated directional valve 17, and the second tunnel is connected with the oil-in of one way valve 5; The oil-out of one way valve 5 divides three tunnels, and the first via is connected with the oil-in of proportional pressure control valve 6, and the second tunnel is connected with the oil-in of the first safety valve 7, and the 3rd tunnel is connected with the P mouth of proportional reversing valve 9; The A mouth of proportional reversing valve 9 is connected with the rodless cavity of swing arm hydraulic cylinder 10, and B mouth is connected with rod chamber, and T mouth is connected with the P mouth of the first solenoid operated directional valve 8; The A mouth of the first solenoid operated directional valve 8 divides two-way, and the first via is connected with accumulator 11, and the second tunnel is connected with the P mouth of the second solenoid operated directional valve 12, and B mouth is connected with fuel tank 18; The A mouth of the 5th solenoid operated directional valve 17 divides 3 tunnels, and the first via is connected with the A mouth of the second solenoid operated directional valve 12, and the second tunnel is connected with the oil-in of the second safety valve 16, and the 3rd tunnel is connected with the P mouth of the 4th solenoid operated directional valve 15; The A mouth of the 4th solenoid operated directional valve 15 is connected with the P mouth of the 3rd solenoid operated directional valve 14, and B mouth is connected with the T mouth of the 3rd solenoid operated directional valve 14, and T mouth is connected with fuel tank 18; The A mouth of the 3rd solenoid operated directional valve 14 is connected with the rod chamber of hydraulic steering cylinder 13, and B mouth is connected with the rodless cavity of hydraulic steering cylinder 13.
The course of work of the present utility model and principle as follows:
1. engine start pattern
According to the operation conditions of car load, engine start pattern is divided into static startup and driving startup two spermotype.Wherein, the power transmission line of static startup is as Fig. 2, and the power transmission line that driving starts is as Fig. 3.
The common trait of this two spermotype: electrokinetic cell 20 releases energy, integrated motor 3 works in a form of an electric motor, and be mechanical energy by electric energy conversion, power is delivered to motor 1 through conjugate clutch 2, and motor 1 starts.
The difference of two spermotypes: under driving start-up mode, electrokinetic cell 20 needs to provide power for vehicle travels simultaneously, drive motors 21 works in a form of an electric motor, be mechanical energy by electric energy conversion, power is passed to propons drive axle 19 and rear bridge driven bridge 24 through gear-box 22, power transmission shaft 23, finally exports wheel to.
2. pure motorized motions pattern
Pure motorized motions pattern is mainly used in when the SOC value of electrokinetic cell 20 is higher, loader starting and the running on the lower load such as to run at a low speed, and power transmission line is as Fig. 4.Under this pattern, electrokinetic cell 20 releases energy, and drive motors 21 works in a form of an electric motor, is mechanical energy by electric energy conversion, and power is passed to propons drive axle 19 and rear bridge driven bridge 24 through gear-box 22, power transmission shaft 23, finally exports wheel to.
3. the independent drive pattern of motor
The independent drive pattern of motor be mainly used in the SOC value of middle load and electrokinetic cell 20 lower time underload travel.According to complete machine operation conditions, the independent drive pattern of motor is divided into power directly to transmit, power dividing two spermotype.When loader carries out middle load, when complete machine traveling demand power is in engine high-efficiency district, be the direct transfer mode of power, power transmission line is as Fig. 5.When loader carries out underload traveling, complete machine travels the minimum power that demand power provides in efficient district lower than motor, and when the SOC value of electrokinetic cell 20 is lower, be power dividing pattern, power transmission line is as Fig. 6.
The common trait of this two spermotype: motor 1 outputting power, clutch 2 combines, integrated motor 3 is with the form work of generator, be electric energy by changes mechanical energy, drive motors 21 works in a form of an electric motor, be mechanical energy by electric energy conversion, power is passed to propons drive axle 19 and rear bridge driven bridge 24 through gear-box 22, power transmission shaft 23, finally exports wheel to.
The difference of two spermotypes: under power dividing pattern, the electric energy that integrated motor 3 sends, can be used for charging to electrokinetic cell 20 simultaneously.
4. combine drive pattern
According to the operation conditions of car load, combine driving be divided into run at high speed combine driving and low speed operation combine driving two spermotype.The pattern of running at high speed is mainly used in running at high speed most in the process of conversion work place, and low speed work pattern is mainly used in spading, the contour load behavior of lifting.Wherein, the power transmission line of pattern of running at high speed is as Fig. 7, and the power transmission line of low speed work pattern is as Fig. 8.
The common trait of this two spermotype: motor 1 outputting power, integrated motor 3 is with the form work of generator, be electric energy by changes mechanical energy, electrokinetic cell 20 releases energy simultaneously, drive motors 21 works in a form of an electric motor, be mechanical energy by electric energy conversion, and motor 1 drive loader jointly.
The difference of two spermotypes: under the low speed work pattern of spading, the contour load behavior of lifting, motor drives hydraulic pump 4 simultaneously, and changes mechanical energy is hydraulic energy by hydraulic pump 4, drives hydraulic work device work.
5. braking mode
When the lower and speed of a motor vehicle of the SOC value of electrokinetic cell 20 is higher than certain value, loader can carry out regenerative braking, and power transmission line is as Fig. 9.Drive motor 21 is with the form work of generator, and the braking energy of recovery is filled with in electrokinetic cell with the form of electric energy.
6. movable arm potential energy take-back model
When swing arm falls and the pressure of accumulator 11 is lower, the power transmission line of movable arm potential energy take-back model is as Figure 10.The transform gravitational energy of material is the hydraulic fluid pressure energy of swing arm hydraulic cylinder rodless cavity, proportional reversing valve 9 left lateral, and pressure oil, through proportional reversing valve 9, first solenoid operated directional valve 8, flows into accumulator 11, realizes filling energy to accumulator 11.
7. travel and turn to drive pattern
In the process of moving, travel to turn to and comprise that accumulator drives, electric drive and motor driven turn to three spermotypes.
When accumulator 11 pressure is higher, adopt accumulator to drive and turn to pattern, its power transmission line is as Figure 11.Accumulator 11 releases energy, first solenoid operated directional valve 8 and the 3rd solenoid operated directional valve 14 left lateral, second solenoid operated directional valve 12 and the 4th solenoid operated directional valve 15 right lateral, hydraulic oil flows into rodless cavity and the rod chamber of hydraulic steering cylinder 13 respectively by No. two solenoid operated directional valves 12, the 4th solenoid operated directional valve 15 and the 3rd solenoid operated directional valves 14, realizes accumulator driving and turns to.
When hydraulic accumulator pressure is lower be not enough to driving turn to time, adopt electric drive and motor driven to turn to two spermotypes.Wherein, the power transmission line that electric drive turns to is as Figure 12, and the power transmission line that motor driven turns to is as Figure 13.
The common trait of this two spermotype: the 5th solenoid operated directional valve 17 is up, 3rd solenoid operated directional valve 14 left lateral, 4th solenoid operated directional valve 15 right lateral, hydraulic oil in fuel tank flows into rodless cavity and the rod chamber of hydraulic steering cylinder 13 respectively by hydraulic pump 4, the 5th solenoid operated directional valve 17, the 4th solenoid operated directional valve 15 and the 3rd solenoid operated directional valve 14, realizes turning to.
The difference of two spermotypes: when being in electric-only mode, provides energy by electrokinetic cell 20, and integrated motor 3 works in a form of an electric motor, and be mechanical energy by electric energy conversion, power reaches hydraulic pump 4; Otherwise, be then by motor 1 output mechanical energy, drive hydraulic pump 4.
Claims (1)
1. the fluid electric mixed dynamic system of a loader, it is characterized in that: be by motor (1), clutch (2), integrated motor (3), hydraulic pump (4), one way valve (5), proportional pressure control valve (6), safety valve, solenoid operated directional valve, proportional reversing valve (9), swing arm hydraulic cylinder (10), accumulator (11), hydraulic steering cylinder (13), fuel tank (18), electrokinetic cell (20), drive motors (21), gear-box (22), power transmission shaft (23), drive axle form; Described solenoid operated directional valve comprises the first solenoid operated directional valve (8), the second solenoid operated directional valve (12), the 3rd solenoid operated directional valve (14), the 4th solenoid operated directional valve (15), the 5th solenoid operated directional valve (17); Described safety valve comprises the first safety valve (7), the second safety valve (16); Described drive axle comprises front driving axle (19), rear driving axle (23); Described motor (1) output shaft is connected with clutch (2) left end, and clutch (2) right-hand member is connected with integrated motor (3), and integrated motor (3) is coaxially connected with hydraulic pump (4); Described drive motors (21) is connected with electrokinetic cell (20) with integrated motor (3) by cable, and drive motors (21) output shaft is connected with gear-box (22); Described power transmission shaft (23) is connected with gear-box (22); The oil-out of described hydraulic pump (4) divides two-way, and the first via is connected with the P mouth of the 5th solenoid operated directional valve (17), and the second tunnel is connected with the oil-in of one way valve (5); The oil-out of one way valve (5) divides three tunnels, and the first via is connected with the oil-in of proportional pressure control valve (6), and the second tunnel is connected with the oil-in of the first safety valve (7), and the 3rd tunnel is connected with the P mouth of proportional reversing valve (9); The A mouth of proportional reversing valve (9) is connected with the rodless cavity of swing arm hydraulic cylinder (10), and B mouth is connected with rod chamber, and T mouth is connected with the P mouth of the first solenoid operated directional valve (8); The A mouth of the first solenoid operated directional valve (8) divides two-way, and the first via is connected with accumulator (11), and the second tunnel is connected with the P mouth of the second solenoid operated directional valve (12), and B mouth is connected with fuel tank (18); The A mouth of the 5th solenoid operated directional valve (17) divides 3 tunnels, and the first via is connected with the A mouth of the second solenoid operated directional valve (12), and the second tunnel is connected with the oil-in of the second safety valve (16), and the 3rd tunnel is connected with the P mouth of the 4th solenoid operated directional valve (15); The A mouth of the 4th solenoid operated directional valve (15) is connected with the P mouth of the 3rd solenoid operated directional valve (14), and B mouth is connected with the T mouth of the 3rd solenoid operated directional valve (14), and T mouth is connected with fuel tank (18); The A mouth of the 3rd solenoid operated directional valve (14) is connected with the rod chamber of hydraulic steering cylinder (13), and B mouth is connected with the rodless cavity of hydraulic steering cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263236.4U CN204662544U (en) | 2015-04-28 | 2015-04-28 | A kind of fluid electric mixed dynamic system of loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263236.4U CN204662544U (en) | 2015-04-28 | 2015-04-28 | A kind of fluid electric mixed dynamic system of loader |
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| CN204662544U true CN204662544U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263236.4U Expired - Fee Related CN204662544U (en) | 2015-04-28 | 2015-04-28 | A kind of fluid electric mixed dynamic system of loader |
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| CN (1) | CN204662544U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421509A (en) * | 2015-11-16 | 2016-03-23 | 潍柴动力股份有限公司 | Movable arm potential energy recovery device of hybrid power excavator and hybrid power excavator |
| CN106891711A (en) * | 2017-03-16 | 2017-06-27 | 吉林大学 | Load series-parallel machine hydraulic hybrid control system and control method |
| CN108357484A (en) * | 2018-01-24 | 2018-08-03 | 南京依维柯汽车有限公司 | A kind of automobile with braking stored-energy function |
| CN114875983A (en) * | 2022-06-21 | 2022-08-09 | 吉林大学 | Site power consumption electro-hydraulic hybrid wheel loader |
-
2015
- 2015-04-28 CN CN201520263236.4U patent/CN204662544U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421509A (en) * | 2015-11-16 | 2016-03-23 | 潍柴动力股份有限公司 | Movable arm potential energy recovery device of hybrid power excavator and hybrid power excavator |
| CN105421509B (en) * | 2015-11-16 | 2017-11-10 | 潍柴动力股份有限公司 | A kind of hybrid excavator movable arm potential energy retracting device and hybrid excavator |
| CN106891711A (en) * | 2017-03-16 | 2017-06-27 | 吉林大学 | Load series-parallel machine hydraulic hybrid control system and control method |
| CN106891711B (en) * | 2017-03-16 | 2024-01-05 | 吉林大学 | Series-parallel hydraulic hybrid power control system and control method for loader |
| CN108357484A (en) * | 2018-01-24 | 2018-08-03 | 南京依维柯汽车有限公司 | A kind of automobile with braking stored-energy function |
| CN108357484B (en) * | 2018-01-24 | 2020-11-06 | 南京依维柯汽车有限公司 | Automobile with braking energy storage function |
| CN114875983A (en) * | 2022-06-21 | 2022-08-09 | 吉林大学 | Site power consumption electro-hydraulic hybrid wheel loader |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160428 |