CN109850493A - Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train - Google Patents
Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train Download PDFInfo
- Publication number
- CN109850493A CN109850493A CN201910176710.2A CN201910176710A CN109850493A CN 109850493 A CN109850493 A CN 109850493A CN 201910176710 A CN201910176710 A CN 201910176710A CN 109850493 A CN109850493 A CN 109850493A
- Authority
- CN
- China
- Prior art keywords
- motor
- pump
- control valve
- hydraulic
- planetary gear
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The present invention provides a kind of belt conveyor electro-hydraulic hybrid drive, the course of work of belt conveyor is divided into before starting, starting, four kinds of stable operation, braking typical conditions, using ac motor speed control by variable frequency driving device as main driving, fluid pressure drive device forms power coupling and distributor as auxiliary drive, using differential planetary gear train, brake, clutch etc..Belt conveyor disclosed by the invention can not only realize the function of the soft start, soft stop of belt conveyor with electro-hydraulic hybrid drive, but also main motor installed power, recycling braking energy can be reduced, reduce energy consumption of belt conveyor during starting and stopping.
Description
Technical field
The present invention relates to conveying machinery fields, are more particularly to a kind of belt conveying mechanical electronic hydraulic based on differential planetary gear train
Hybrid drive.
Background technique
As the conveying machinery of the industries such as coal, harbour first choice, belt conveyor is for transmitting bulk material and handling
Important equipment.With the rapid development of social economy, belt conveyor is towards long range, high belt speed, high-power, big fortune
The direction of amount is developed.Belt conveyor has many advantages, such as low, practical, the continuous transport of maintenance cost, and reliable for operation, easily
In the centralization control for realizing automation.Driving device is the important structure element of belt conveyor, therefore, according to belt
The dynamic characteristic of conveyer correctly selects the not only advanced reliable but also driving device of economical rationality, reasonably controls start-up course
Excessive to avoid conveyer belt oscillation and stress, raising integral device economy is necessary.
Currently, the common driving device of belt conveyor mainly has speed regulation type hydrodynamic coupler driving, CST drive, is hydraulic
Motor driving, frequency conversion and speed regulation of AC motor driving, differential variable frequency stepless speed regulation driving etc..Using above-mentioned common driving device,
Although being able to achieve the soft start of belt conveyor, stable operation and soft stop, there is some problems in practice.It adjusts
Fast type fluid coupling is universal product, and dynamic responding speed is slower, and performance indicator and required precision cannot specially meet
The requirement of high-power belt conveyor drive control.There are bulky, installation is inconvenient, structure is complicated and ties up for CST driving device
The problems such as shield is difficult, and later period operating cost is high.Hydraulic motor drive system price is somewhat expensive, for using speed regulation type hydrodynamic coupler
2~3 times of driving device, application receive certain limitation.Frequency conversion and speed regulation of AC motor drive system needs to solve electricity
A series of problems and high-power frequency conversion motor drive system cost in terms of gas is higher, is also easy to produce mechanical harmonic wave, and in volume
Determine frequency operation under it is not energy-efficient, system effectiveness is low, application be also subject to certain restrictions.Differential variable frequency stepless speed regulation technology is to adopt
It uses planet gear transmission as the Dual-motors Driving mode of difference element, but this easy scuffing failure of driving method worm and gear, dissipates
There are weak links for heat, this is further to solve the problems, such as.
Summary of the invention
It is regarding to the issue above and insufficient, in conjunction with frequency control driving working efficiency, equipment performance, in terms of
Have the advantages that the driving of prominent and hydraulic motor reduce to each component of belt conveyor in terms of have the advantages that it is prominent.This
Invention mesh provides a kind of belt conveyor electro-hydraulic hybrid drive, the course of work of belt conveyor is divided into before starting,
Four kinds of starting, stable operation, braking typical conditions, using ac motor speed control by variable frequency driving device as main driving, hydraulic drive
Dynamic device forms power coupling and distributor as auxiliary drive, using differential planetary gear train, brake, clutch etc..It
It can not only realize the function of the soft start, soft stop of belt conveyor, but also main motor installed power can be reduced, returned
Braking energy is received, energy consumption of belt conveyor during starting and stopping is reduced.
In order to achieve the above object, the present invention adopts the following technical scheme:
Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train, comprising: differential planetary gear train (17),
One clutch (15), the first brake (16), second brake (25), second clutch (26), second shaft coupling (18), are also wrapped
It includes: velocity sensor (20), driving roller (21), retarder (22) and controller (24)；Wherein, motor driver (27) wraps
It includes: main motor (1), frequency converter (2) and the first speed probe (3)；Fluid pressure drive device (28) includes hydraulic motor/pump
(4), the second speed probe (5), 3-position 4-way control valve (6), accumulator (7), pressure sensor (8), 2/2-way control
Valve (9), first shaft coupling (10), repairing pump motor (11), slippage pump (12), fuel tank (13) and overflow valve (14)；Differential row
Star wheel series (17) include sun gear A, gear ring B, planetary gear C, planet carrier H and transition gear (23), are corresponded on the inside and outside circle of gear ring
Equipped with internal tooth (B1) and external tooth (B2)；Main motor is connect by first clutch, the first brake with transition gear, transition tooth
Wheel is connect with gear ring, and hydraulic motor/pump is connected by second clutch, second brake and sun gear, and planet carrier passes through shaft coupling
Device is connect with retarder, and retarder is connect with driving roller；Repairing pump motor is connect by first shaft coupling with slippage pump, is mended
Oil pump out of the mouth is connected with the oil inlet of 2/2-way control valve and overflow valve, and the oil outlet and pressure of 2/2-way control valve pass
The oil inlet P of the oil inlet of sensor, the oil inlet of accumulator and 3-position 4-way control valve connects, the oil return of 3-position 4-way control valve
Mouth T is connected with fuel tank, and oil outlet A, B of three position four-way directional control valve are connected with hydraulic motor/pump；The output signal of frequency converter and master
Motor connection, the first speed probe, the second speed probe detect the revolving speed of main motor, hydraulic motor/pump respectively, defeated
Signal is input to controller out, and velocity sensor detects the speed of belt conveyor, and output signal is input to controller, and pressure passes
Sensor detects accumulator pressure at inlet, and output signal is input to controller, and the output end of controller is defeated with frequency converter respectively
The control terminal for entering end, the control terminal of 3-position 4-way control valve, the control terminal of 2/2-way control valve and repairing pump motor connects
It connects, command signal is input to controller.
Motor driver, fluid pressure drive device combination drive provide control instruction to frequency converter and three by controller
The control terminal of four-way control valve, main motor and hydraulic motor/pump start simultaneously, and hydraulic motor/pump works in hydraulic motor work
Condition, after velocity sensor detects that belt conveyor running speed reaches setting value and stablizes, controller provides control signal
Control terminal control valve core to 3-position 4-way control valve returns to middle position according to setting means；When the second speed probe detects liquid
When pressure motor/revolution speed decline, signal is fed back into controller, controller provides control instruction to frequency converter, and frequency converter increases
Output frequency control main motor improves revolving speed to compensate the revolving speed of hydraulic motor/pump decline, makes belt conveyor running speed
It remains unchanged；When 3-position 4-way control valve core returns to middle position, hydraulic motor/pump does not export revolving speed, and main motor reaches volume
Determine revolving speed, points driving for belt conveyor keeps stable operation.
The main motor is threephase asynchronous.
The 3-position 4-way control valve is one kind of 3-position 4-way electro-hydraulic reversing valve or 3-position 4-way electro-hydraulic proportional valve.
The accumulator is the accumulator group that an accumulator or two or more accumulator are constituted.
The repairing pump motor is one kind of asynchronous motor, servomotor or adjustable frequency motor.
The present invention has the advantage that
(1) present invention can be improved directly on existing belt conveyor frequency-changing speed regulation driver, pass through increase
Differential planetary gear train and auxiliary hydraulic pressure driving device, realize the improvement of belt mode conveyor driving device.
(2) the auxiliary hydraulic pressure driving device in the present invention is substituted the bad for the good in belt conveyor starting using in accumulator in advance
High pressure oil auxiliary drive, reduce the installed power of main motor；In braking, braking energy can be recycled, auxiliary braking,
The energy storage of recycling is in accumulator, when starting next time, then releases energy, and realizes the recycling of energy, has
Significant energy-saving effect.
(3) present invention in auxiliary hydraulic pressure driving device, can be absorbed the fluctuation of load it is larger when energy, guarantee belt it is defeated
Send machine even running.
(4) the auxiliary hydraulic pressure driving device in the present invention has defencive function, can be used as peace in system jam
Full application of brake device increases substantially the safety margin of transportation system, guarantor, machine safety.
Detailed description of the invention
Fig. 1 is the electro-hydraulic hybrid drive system schematic diagram that the present invention is used for belt conveyor.
Fig. 2 is the electro-hydraulic combination drive control strategy flow chart of the present invention.
In figure: 1- main motor；2- frequency converter；The first speed probe of 3-；4- hydraulic motor/pump；The second revolving speed of 5- passes
Sensor；6- 3-position 4-way control valve；7- accumulator；8- pressure sensor；9- 2/2-way control valve；10- first shaft coupling；
11- repairing pump motor；12- slippage pump；13- fuel tank；14- overflow valve；15- first clutch；The first brake of 16-；17- is poor
Dynamic planetary gear train；18- second shaft coupling；19- belt conveyor；20- velocity sensor；21- drives roller；22- retarder；
23- transition gear；24- controller；25- second brake；26- second clutch；27- motor driver；28- hydraulic-driven
Device.
Specific embodiment
Detailed technology scheme of the present invention is introduced below in conjunction with attached drawing:
As shown in Figure 1, the belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train in the present embodiment, packet
Include motor driver 27, fluid pressure drive device 28, differential planet gear mechanism 17, first clutch 15, the first brake 16,
Second brake 25, second clutch 26, second shaft coupling 18, velocity sensor 20, driving roller 21, retarder 22 and control
Device 24；Wherein motor driver 27 includes main motor 1, frequency converter 2 and the first speed probe 3；Fluid pressure drive device 28
Including hydraulic motor/pump 4, the second speed probe 5,3-position 4-way control valve 6, accumulator 7, pressure sensor 8,2/2-way
Control valve 9, first shaft coupling 10, repairing pump motor 11, slippage pump 12, fuel tank 13 and overflow valve 14；Differential planetary gear train 17
Including sun gear A, gear ring B, planetary gear C, planet carrier H and transition gear 23, internal tooth B1 is correspondingly provided on the inside and outside circle of gear ring B
And external tooth B2；Main motor 1 is the main power source of system, is connected through second clutch 26, second brake 25 and transition gear 23
It connects, transition gear 23 is connect with gear ring B；Hydraulic motor/pump 4 is auxiliary power source, through first clutch 15, second brake 16
It is connect with sun gear A；The power that main motor 1 and hydraulic motor/pump 4 export is after the synthesis of differential planetary gear train 17 by planet carrier
H output, planet carrier H are connect through second shaft coupling 18 with retarder 22, and retarder 22 is connect with driving roller 21；Slippage pump is electronic
Machine 11 is connect by first shaft coupling 10 with slippage pump 12,12 oil outlet of slippage pump and 2/2-way control valve 9 and overflow valve 14
Oil inlet connection, the oil inlet and three of the oil inlet of the oil outlet of 2/2-way control valve 9 and pressure sensor 8, accumulator 7
The oil inlet P connection of position four-way control valve 6, the oil return inlet T of 3-position 4-way control valve 6 are connect with fuel tank 13,3-position 4-way control
Oil outlet A, B and hydraulic motor/pump 4 of valve 6 are connected；The output signal of frequency converter 2 is connect with main motor 1, and the first revolving speed passes
Sensor 3, the second speed probe 5 detect the revolving speed of main motor 1, hydraulic motor/pump 4, output signal n respectively1、n2It is input to
Controller 24, velocity sensor 20 detect the speed of belt conveyor 19, and output signal v is input to controller 24, pressure sensing
Device 8 detects 7 pressure at inlet of accumulator, output signal PXBe input to controller 24, the output end of controller 24 respectively with frequency conversion
The input terminal of device 2, the control terminal of 3-position 4-way control valve 6, the control terminal of 2/2-way control valve 9 and repairing pump motor 11
Control terminal connection, command signal is input to controller 24.
Motor driver 27,28 combination drive of fluid pressure drive device provide control instruction to change by controller 24 first
The control terminal of frequency device 2 and 3-position 4-way control valve 6, main motor 1 and hydraulic motor/pump 4 start simultaneously, 4 work of hydraulic motor/pump
Make in hydraulic motor operating condition；After velocity sensor 20 detects that 19 speed of service of belt conveyor reaches setting value and stablizes,
The control terminal control valve core that controller 24 provides control signal to 3-position 4-way control valve 6 returns to middle position according to setting means；When
When second speed probe 5 detects the decline of 4 revolving speed of hydraulic motor/pump, signal is fed back into controller 24, controller 24 provides
To frequency converter 2, frequency converter 2 increases output frequency control main motor 1 and improves revolving speed to compensate hydraulic motor/pump 4 control instruction
The revolving speed of decline remains unchanged 19 speed of service of belt conveyor；When 6 spool of 3-position 4-way control valve returns to middle position, liquid
Pressure motor/pump 4 does not export revolving speed, and main motor 1 reaches rated speed, and points driving for belt conveyor 19 keeps stable operation.
Specifically, the course of work of system is, before belt conveyor 19 starts, control instruction is provided by controller 24 and is opened
Dynamic repairing pump motor 11, and 2/2-way control valve 9 is made to be in left position, repairing pump motor 11 is driven by first shaft coupling 10
Dynamic slippage pump 12 gives 7 filling liquid of accumulator, and pressure sensor 8 detects the pressure of accumulator 7, when the supercharging pressure of accumulator 7 reaches
When scheduled pressure value, switching 2/2-way control valve 9 returns to right position, and repairing pump motor 11 is shut down, and 7 filling liquid of accumulator is completed.
When belt conveyor 17 starts, when main motor 1 to be started, controller 24 provides command signal to frequency converter 2,
Frequency converter 2 controls main motor 1 and starts；Meanwhile controller 24 provides command signal to 3-position 4-way control valve 6, is at
Left position makes the hydraulic fluid port P of accumulator 7 Yu hydraulic pump/motor 4AIt is connected to, the oil liquid in accumulator 7 is through hydraulic fluid port PBIt is discharged into fuel tank 13, this
When, hydraulic motor/pump 4 works as hydraulic motor；First clutch 15 engages, and the first brake 16 disconnects；Second clutch
26 combine, and second brake 25 disconnects；The output power of main motor 1 is transmitted by second clutch 26, second brake 25
To transition gear 23, the external tooth engaged transmission of the gear ring B of transition gear 23 and differential planetary gear train 17, and then gear ring B is driven to turn
It is dynamic；The power that hydraulic motor/pump 4 exports is transmitted to differential planetary gear train 17 too through first clutch 15, the first brake 16
The power of sun wheel A, sun gear A and gear ring B are synthesized, and the power of synthesis is exported by planet carrier H and passes through second shaft coupling 18
It is transmitted to retarder 22, retarder 22 is connected with driving roller 21, and then completes the starting of belt conveyor 19.
The starting of belt conveyor 19 terminates, and works in steady operational status, and velocity sensor 20 detects belt conveyor
When 19 speed reach setting value, command signal is issued by controller 24,3-position 4-way control valve 6 is made to gradually return to middle position, it is hydraulic
Motor/pump 4 exports revolving speed and is gradually reduced, when the second speed probe 5 detects the decline of 4 revolving speed of hydraulic motor/pump, by signal
Controller 24 is fed back to, controller 24 provides control instruction to frequency converter 2, and frequency converter 2 increases output frequency and controls main motor 1
Revolving speed is improved to compensate the revolving speed of the decline of hydraulic motor/pump 4, remains unchanged 19 speed of service of belt conveyor, finally, three
Four-way control valve 6 returns to middle position, and first clutch 15 disconnects, and the first brake 16 engagement, hydraulic motor/pump 4 is in short-circuit shape
State, no longer output power, belt conveyor 19 is under the driving of main motor 1 by the speed even running of setting.
When belt conveyor 17 is braked, controller 24 provides command signal to frequency converter 2, Frequency Converter Control main motor 1
Slowing down, makes 23 braking deceleration of gear, the gear ring B of differential planetary gear train also braking deceleration, finally, second clutch 26 disconnects, the
The engagement of two brakes 25；Meanwhile controller 24 provides command signal to 3-position 4-way control valve 6, makes its work in right position, makes to store
The hydraulic fluid port P of energy device 7 and hydraulic motor/pump 4BConnection, the hydraulic fluid port P of fuel tank 13 and hydraulic motor/pump 4AConnection, hydraulic motor/pump 4
Under hydraulic pump condition, first clutch 15 is engaged for work, and the first brake 16 disconnects, and belt conveyor 19 has dynamic in itself
Hydraulic motor/pump 4 can be driven the oil in fuel tank 13 by the planet carrier H back transfer of differential planetary gear train 17 to sun gear A
Liquid is pumped into accumulator 7, recycles braking energy.
Pressure sensor 8 detects the pressure of accumulator 7, when pressure is lower than setup pressure value in accumulator 7,2/2-way
Control valve 9 is in left position, and it is 7 filling liquid of accumulator that repairing pump motor 11, which drives slippage pump 12, supplements energy, is belt conveyor
19 startings next time are ready.
The parallel drive mode can keep the former driving device structure such as main motor, frequency converter, retarder constant
On the basis of, by differential planet gear mechanism, auxiliary hydraulic pressure driving device and former driving device are formed into parallel structure, structure
Simply, transmission efficiency is high, can carry out independent, combination drive mode simple switching.
Differential planetary gear train 17 have it is compact-sized, can transmit biggish power, can be realized the synthesis of movement with point
Solution, the feature that gear range is larger, smooth running and transmission efficiency are high.
The rotation speed relation formula of three basic building block sun gear A, gear ring B, planet carrier H in differential planetary gear train 17:
Wherein: nHFor planet carrier revolving speed, nAFor sun wheel speed, nBFor gear ring revolving speed, K is differential planetary gear train feature ginseng
Number,
By rotation speed relation formula (1) it is found that linear superposition may be implemented in sun wheel speed and gear ring revolving speed, and rotary speed direction is answered
Unanimously, to change the output revolving speed of planet carrier, revolving speed synthesis is realized.
The torque relationship formula of three basic building block sun gear A, gear ring B, planet carrier H in differential planetary gear train 17:
TA:TB:TH=1:K:- (1+K) (2)
Wherein: THFor planet carrier torque, TAFor sun gear torque, TBFor gear ring torque.
By torque relationship formula (2) it is found that the torque of three basic building blocks is into certainty ratio relationship, and sun gear and gear ring
Suffered moment of face be it is in the same direction, it is contrary with moment of face suffered by planet carrier.
It can further be obtained by torque relationship formula (2): TH=-(TA+TB), i.e., the torque of sun gear and gear ring is numerically
It is able to achieve superposition, the torque of planet carrier output is obtained, realizes the synthesis of torque.
The power relation formula of three basic building block sun gear A, gear ring B, planet carrier H in differential planetary gear train 17:
PA:PB:PH=1:(-q): (q-1) (3)
Wherein: PHFor planet carrier power, PAFor sun gear power, PBFor gear ring torque, q is power partition coefficient,
By power relation formula (3) it is found that the power of three basic building blocks is into certainty ratio relationship, and sun gear and gear ring
Power be it is in the same direction, it is opposite with the power direction of planet carrier.
It can further be obtained by power relation formula (3): PH=-(PA+PB), i.e., the power of sun gear and gear ring is numerically
It is able to achieve superposition, the power of planet carrier output is obtained, realizes the synthesis of power, illustrates that differential planetary gear train is to carry out power remittance
Stream.
It can to sum up obtain, differential planetary gear train outstanding feature is exactly that can carry out the synthesis of power, no when transmitting power
The synthesis that revolving speed, torque can only be carried out, can also carry out the synthesis of power.
Claims (6)
1. the belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train, comprising: differential planetary gear train (17), first
Clutch (15), the first brake (16), second brake (25), second clutch (26), second shaft coupling (18), feature
It is: further include: velocity sensor (20), driving roller (21), retarder (22) and controller (24)；Wherein, motor driven
Device (27) includes: main motor (1), frequency converter (2) and the first speed probe (3)；Fluid pressure drive device (28) includes liquid
Pressure motor/pump (4), the second speed probe (5), 3-position 4-way control valve (6), accumulator (7), pressure sensor (8), two
Two logical control valves (9), first shaft coupling (10), repairing pump motor (11), slippage pump (12), fuel tank (13) and overflow valve
(14)；Differential planetary gear train (17) includes sun gear A, gear ring B, planetary gear C, planet carrier H and transition gear (23), gear ring
Internal tooth (B1) and external tooth (B2) are correspondingly provided on inside and outside circle；Main motor passes through first clutch, the first brake and transition tooth
Wheel connection, transition gear are connect with gear ring, and hydraulic motor/pump is connected by second clutch, second brake and sun gear, row
Carrier is connect by shaft coupling with retarder, and retarder is connect with driving roller；Repairing pump motor by first shaft coupling with
Slippage pump connection, slippage pump oil outlet are connected with the oil inlet of 2/2-way control valve and overflow valve, 2/2-way control valve
The oil inlet P of the oil inlet of oil outlet and pressure sensor, the oil inlet of accumulator and 3-position 4-way control valve connects, and three four
The oil return inlet T of logical control valve is connected with fuel tank, and oil outlet A, B of three position four-way directional control valve are connected with hydraulic motor/pump；Frequency converter
Output signal connect with main motor, the first speed probe, the second speed probe detect main motor, hydraulic horse respectively
Up to the revolving speed of/pump, output signal is input to controller, and velocity sensor detects the speed of belt conveyor, output signal input
To controller, pressure sensor detects accumulator pressure at inlet, and output signal is input to controller, the output end point of controller
It is not electric with the input terminal of frequency converter, the control terminal of 3-position 4-way control valve, the control terminal of 2/2-way control valve and slippage pump
The control terminal of motivation connects, and command signal is input to controller.
2. the belt conveying mechanical electronic hydraulic hybrid drive according to claim 1 based on differential planetary gear train, feature
Be: motor driver, fluid pressure drive device combination drive provide control instruction to frequency converter and 3-position 4-way by controller
The control terminal of control valve, main motor and hydraulic motor/pump start simultaneously, hydraulic motor/pump work in hydraulic motor operating condition, when
After velocity sensor detects that belt conveyor running speed reaches setting value and stablizes, controller provides control signal to three
The control terminal control valve core of four-way control valve returns to middle position according to setting means；When the second speed probe detects hydraulic horse
Up to when the decline of/revolution speed, signal is fed back into controller, controller provides control instruction to frequency converter, and frequency converter, which increases, to be exported
Frequency control main motor improves revolving speed to compensate the revolving speed of hydraulic motor/pump decline, keeps belt conveyor running speed
It is constant；When 3-position 4-way control valve core returns to middle position, hydraulic motor/pump does not export revolving speed, and main motor reaches specified turn
Speed, points driving for belt conveyor keep stable operation.
3. the belt conveying mechanical electronic hydraulic hybrid drive according to claim 1 based on differential planetary gear train, feature
Be: the main motor is threephase asynchronous.
4. the belt conveying mechanical electronic hydraulic hybrid drive according to claim 1 based on differential planetary gear train, feature
Be: the 3-position 4-way control valve is one kind of 3-position 4-way electro-hydraulic reversing valve or 3-position 4-way electro-hydraulic proportional valve.
5. the belt conveying mechanical electronic hydraulic hybrid drive according to claim 1 based on differential planetary gear train, feature
Be: the accumulator is the accumulator group that an accumulator or two or more accumulator are constituted.
6. the belt conveying mechanical electronic hydraulic hybrid drive according to claim 1 based on differential planetary gear train, feature
Be: the repairing pump motor is one kind of asynchronous motor, servomotor or adjustable frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176710.2A CN109850493A (en) | 2019-03-08 | 2019-03-08 | Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176710.2A CN109850493A (en) | 2019-03-08 | 2019-03-08 | Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109850493A true CN109850493A (en) | 2019-06-07 |
Family
ID=66900287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176710.2A Pending CN109850493A (en) | 2019-03-08 | 2019-03-08 | Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109850493A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007014903U1 (en) * | 2007-10-24 | 2008-01-17 | Zf Friedrichshafen Ag | Electrohydraulic control device of a transmission device |
| CN102420552A (en) * | 2011-12-03 | 2012-04-18 | 太原理工大学 | Control loop and control method for improving starting and stopping performance of motor |
| CN103373214A (en) * | 2012-04-19 | 2013-10-30 | 现代自动车株式会社 | Hybrid vehicle transmission and method of controlling starting of hybrid vehicle |
| CN103738154A (en) * | 2014-01-07 | 2014-04-23 | 天津工程机械研究院 | Oil electrohydraulic four-wheel drive hybrid power system and control method thereof |
| CN108374875A (en) * | 2018-04-25 | 2018-08-07 | 同济大学 | A kind of frequency conversion change displacement machine hydraulic stepless speed change transmission system |
-
2019
- 2019-03-08 CN CN201910176710.2A patent/CN109850493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007014903U1 (en) * | 2007-10-24 | 2008-01-17 | Zf Friedrichshafen Ag | Electrohydraulic control device of a transmission device |
| CN102420552A (en) * | 2011-12-03 | 2012-04-18 | 太原理工大学 | Control loop and control method for improving starting and stopping performance of motor |
| CN103373214A (en) * | 2012-04-19 | 2013-10-30 | 现代自动车株式会社 | Hybrid vehicle transmission and method of controlling starting of hybrid vehicle |
| CN103738154A (en) * | 2014-01-07 | 2014-04-23 | 天津工程机械研究院 | Oil electrohydraulic four-wheel drive hybrid power system and control method thereof |
| CN108374875A (en) * | 2018-04-25 | 2018-08-07 | 同济大学 | A kind of frequency conversion change displacement machine hydraulic stepless speed change transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100427771C (en) | Energy saving hydraulic lifting system of variable hydraulic counterweight | |
| CN103775595B (en) | A kind of automobile-used regenerative braking stepless speed variator | |
| CN103148181B (en) | A kind of multi-gear simultaneous meshing variable speed unit | |
| CN106428042B (en) | A kind of electro-hydraulic mixing hydrostatic drive system of oil | |
| CN201423916Y (en) | Driving device used for parallel hybrid electric vehicle | |
| CN107555082B (en) | Intelligent water-cooled scraper conveyor permanent magnet variable frequency direct-drive system | |
| CN102420552B (en) | Control loop and control method for improving starting and stopping performance of motor | |
| CN110436343B (en) | Storage battery monorail crane electro-hydraulic compound driving system and driving wheel self-adaptive clamping method | |
| CN209250419U (en) | A kind of mechatronics integration speed-regulating system | |
| CN107444847A (en) | The long belt conveyor of combination drive | |
| CN100552265C (en) | High-efficiency hydraulic moment changeable transmission system | |
| CN103030064B (en) | Control system and control method of engineering machinery equipment | |
| CN106891711A (en) | Load series-parallel machine hydraulic hybrid control system and control method | |
| CN107906060A (en) | Vehicle parallel type hydraulic hybrid power system and its method with energy regenerating release function | |
| CN204296456U (en) | Power dividing type hydraulic hybrid power loader power drive system | |
| CN102312976B (en) | A kind of composite constant charge type hydraulic coupler | |
| CN104401219A (en) | Power split type hydraulic hybrid power system of loading machine | |
| CN106945678A (en) | A kind of effectively power drive system of electro-hydraulic railcar | |
| CN109850493A (en) | Belt conveying mechanical electronic hydraulic hybrid drive based on differential planetary gear train | |
| CN102768112B (en) | Hydraulic loading test table with power recovery function for land scraper rear axle | |
| CN104442371A (en) | Power transmission system of power split hydraulic hybrid loader | |
| CN106314123A (en) | Series-parallel type double planet tooth row gear structure | |
| CN207018464U (en) | A kind of machine liquid composite transmission based on Stress control | |
| CN108825747A (en) | A kind of fork truck continuously variable transmission device | |
| CN207580675U (en) | A kind of intelligent water-cooled straight drive system of drag conveyor permanent-magnetic variable-frequency |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |
|
| WD01 | Invention patent application deemed withdrawn after publication |