CN106335361A - Energy-saving transmission system - Google Patents
Energy-saving transmission system Download PDFInfo
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- CN106335361A CN106335361A CN201610870538.7A CN201610870538A CN106335361A CN 106335361 A CN106335361 A CN 106335361A CN 201610870538 A CN201610870538 A CN 201610870538A CN 106335361 A CN106335361 A CN 106335361A
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- hydraulic pump
- transmission system
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 117
- 238000005381 potential energy Methods 0.000 claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 23
- 238000004134 energy conservation Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 description 16
- 241001417527 Pempheridae Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Gearings (AREA)
Abstract
The invention relates to a transmission device and more particularly relates to an energy-saving transmission system used on a vehicle with operation equipment. The energy-saving transmission system comprises an input signal (1), a controller (2), a gear box, a hydraulic oil path A (6), a hydraulic oil path B (21), a hydraulic motor (16), a hydraulic pump (36), accessories and the like. The transmission system has the advantages that in the vehicle braking process, the kinetic energy from driving inertia or the potential energy from downhill of the vehicle can be recovered and provided for the operation equipment to work, so that the energy consumption of the vehicle is reduced.
Description
Technical field
The present invention relates to a kind of transmission device, more particularly, to a kind of energy-conservation transmission on the vehicle with implement
System.
Background technology
A lot of engineering truck power are very big, and energy consumption is very high, and oil consumption is its important use cost, if can be by portion of energy
Recycling will substantially reduce oil consumption.With regard to the engineering truck with hydraulic system it is known that energy regenerating mode be profit
With accumulator, by the rotation potential energy (revolution of such as crane) of engineering truck, decline potential energy (the large arm decentralization of such as digging machine),
Or traveling inertia potential energy (braking of such as garbage truck) reclaims and recycles.The scheme of this energy-conservation has to extra on vehicle
Increase a very big accumulator and supporting hydraulic valving systems, cost increases a lot and controls difficulty substantially to increase, therefore
The program is not widely available.To some special engineering trucks, if self-character can be based on, propose simpler, low cost,
The obvious energy-saving technical scheme of energy-conservation, will more be of practical significance.
Content of the invention
Present invention aim at providing a kind of transmission system of energy-conservation, for the vehicle with implement, Neng Gou
In vehicle braking procedure, the traveling inertia kinetic energy of vehicle or descending potential energy are recovered and provided to implement acting, thus dropping
The energy consumption of low vehicle.
In order to achieve the above object, the present invention adopts the following technical scheme that
A kind of transmission system of energy-conservation, for the vehicle with implement；Described transmission system is by controller (2), tooth
Roller box, hydraulic circuit a(6), hydraulic circuit b(21), hydraulic motor (16), hydraulic pump (36), the composition such as annex；Described gear-box
By second gear (3), the 3rd axle (4), the 3rd gear (5), first axle (12), the 4th axle (23), first gear (24), casing group
Part (25), the 4th gear (26), the second axle (31), annex etc. form；
First axle (12), the second axle (31) coaxial line, one end of first axle (12) is power input port (13), the second axle (31)
One end is driving dynamics delivery outlet (32)；One termination hydraulic pump (36) of the 3rd axle (4), the other end drives output for implement
Mouth (11)；One termination hydraulic motor (16) of the 4th axle (23)；Hydraulic tube is adopted between hydraulic pump (36) and hydraulic motor (16)
Road a(6) and fluid pressure line b(21) connect formation closed hydraulic loop；Controller (2) can adjust the discharge capacity of hydraulic pump (36).
Described vehicle has one or more mode of operation, and one of which mode of operation is referred to as operation mould
Formula, under described work pattern, described transmission system has a following state:
First axle (12) and first gear (24) connect, and the second axle (31) and second gear (3) connect；3rd axle (4) and the 3rd
Gear (5) connects, and the 4th axle (23) and the 4th gear (26) connect；First gear (24) and the engagement of the 3rd gear (5), the second tooth
Wheel (3) and the engagement of the 4th gear (26)；First axle (12) and the second axle (31) disengage；Connection between described axle and axle or
Disengage and refer to the connection in power transmission of axle and axle or disengagement.
Under described work pattern, at least two kinds of the energy transmission route of described transmission system, i.e. the first energy
Transfer route and second energy transmission route, may also have (can also have) the third energy transmission route, respectively following institute
State:
The first energy transmission route, described vehicle is when accelerating or at the uniform velocity travel:
The energy that the power source (15) of vehicle provides is inputted by power input port (13), sequentially passes through first axle (12), the first tooth
Wheel (24), the 3rd gear (5) pass to the 3rd axle (4) and are divided into two parts in the 3rd axle (4)；Wherein Part I energy warp
Implement drive output port (11) passes to the implement of described vehicle；And wherein Part II energy sequentially passes through hydraulic pressure
Pump (36), fluid pressure line a(6) and fluid pressure line b(21), hydraulic motor (16), the 4th axle (23), the 4th gear (26), second
Gear (3) and the second axle (31), pass to driving dynamics delivery outlet (32) and carry out energy output；
That is, the energy needed for the implement of described vehicle is entirely from power source (15).
Second energy transmission route, described vehicle is when active is slowed down or brakes:
The energy that the power source (15) of vehicle provides is inputted by power input port (13), sequentially passes through first axle (12), the first tooth
Wheel (24), the 3rd gear (5), the 3rd axle (4), implement drive output port (11) pass to the implement of described vehicle；
Meanwhile, described transmission system absorbs traveling inertia kinetic energy or the descending potential energy of described vehicle, is allowed to produce and slows down or make
Dynamic effect, this portion of energy passes sequentially through driving dynamics delivery outlet (32), the second axle (31), second gear (3), the 4th gear
(26), the 4th axle (23), hydraulic motor (16), fluid pressure line a(6) and fluid pressure line b(21), hydraulic pump (36), the 3rd axle
(4), implement drive output port (11) is also passed to the implement of described vehicle；
That is, the energy needed for the implement of described vehicle comes from power source (15), also comes from described transmission system
Absorb traveling inertia kinetic energy or the descending potential energy of described vehicle；Now, hydraulic motor (16) plays the effect of pump, hydraulic pump (36)
Play the effect of motor.
The third energy transmission route, described vehicle is when active is slowed down or brakes:
Described transmission system absorbs traveling inertia kinetic energy or the descending potential energy of described vehicle, is allowed to produce and slows down or braking effect
Really, this portion of energy pass sequentially through driving dynamics delivery outlet (32), the second axle (31), second gear (3), the 4th gear (26),
4th axle (23), hydraulic motor (16), fluid pressure line a(6) and fluid pressure line b(21), hydraulic pump (36) pass to the 3rd axle (4)
And it is divided into two parts in the 3rd axle (4)；Wherein Part I energy pass to through implement drive output port (11) described
The implement of vehicle；And wherein Part II energy successively through the 3rd gear (5), first gear (24), first axle (12) and
Power input port (13) passes to power source (15)；That is, the energy needed for the implement of described vehicle is entirely from described
Transmission system absorb the traveling inertia kinetic energy of described vehicle or descending potential energy；Now, hydraulic motor (16) plays the effect of pump,
Hydraulic pump (36) plays the effect of motor.
Preferably, described transmission system also includes input signal (1)；Described input signal (1) at least includes described car
Brake signal；Controller (2) directly or indirectly obtains hydraulic circuit a(6) and hydraulic circuit b(21) pressure or pressure reduction believe
Breath；Controller (2) obtain described vehicle brake signal when, according to control program control set in advance in controller (2)
Logic, actively, automatically adjusts hydraulic pump (36) discharge capacity, can be to described vehicle system in the way of negative torque or zero moment of torsion
Move it is also possible to be promoted to described vehicle in the way of positive-torque；Described negative torque refers to described vehicle is produced and subtracts
Speed or the moment of torsion of braking effect；Positive-torque refers to produce, to described vehicle, the moment of torsion accelerating or promoting effect；Zero moment of torsion is negative
Critical condition between moment of torsion and positive-torque, is the moment of torsion that numerical value is 0.
Preferably, described transmission system also directly or indirectly obtains the discharge capacity information of hydraulic pump (36)；Controller (2) is obtaining
Take described vehicle brake signal when, according to control program control logic set in advance in controller (2), actively, automatically
Adjust hydraulic pump (36) discharge capacity, by permanent moment of torsion or in the way of becoming moment of torsion, described vehicle can be braked；Described permanent moment of torsion
The changeless moment of torsion of exponential quantity, becomes the variable moment of torsion of moment of torsion exponential quantity.
Preferably, controller (2) also directly or indirectly obtains the tach signal of hydraulic pump (36) or/and hydraulic motor (16),
And when obtaining the brake signal of described vehicle, according to control logic active set in advance in controller (2), automatically adjust liquid
Press pump (36) discharge capacity is additionally it is possible to be braked to described vehicle in the way of invariable power or Variable power；Described invariable power index
It is worth changeless power, the variable power of Variable power exponential quantity.
Preferably, described controller (2) directly or indirectly obtains hydraulic circuit a(6) and hydraulic circuit b(21) pressure or
Differential pressure information can adopt one of following three kinds of implementations, two kinds or all to realize:
First, define the flow direction of hydraulic oil it is assumed that hydraulic oil flows out from hydraulic pump (36), through hydraulic circuit b(21) flow into
Hydraulic motor (16), then through hydraulic circuit a(6) flow back to hydraulic pump (36)；
The first implementation: in described hydraulic circuit a(6) one pressure sensor a(38 of upper installation), its pressure reading is subtracted
Go hydraulic system back pressure as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；
Second implementation: in described hydraulic circuit a(6) a pressure sensor a(38 is installed), in described hydraulic circuit b
(21) a pressure sensor b(35 is also installed) on；By pressure sensor a(38) pressure reading deduct pressure sensor b
(35) pressure reading is as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；
The third implementation: substitute the pressure sensor a(38 in described second implementation with a differential pressure pickup)
With pressure sensor b(35), directly read hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction.
Preferably, described controller (2) directly or indirectly obtain hydraulic pump (36) discharge capacity information can adopt following three kinds
One of implementation, two kinds or all to realize:
The first implementation: displacement transducer, direct measurement hydraulic pump (36) variable are installed on the pump housing of hydraulic pump (36)
The displacement of swash plate, calculates the discharge capacity of hydraulic pump (36) according to the proper property parameter of hydraulic pump (36)；
Second implementation: read the electric current of magnetic valve, voltage or the pwm duty cycle signals controlling hydraulic pump (36) discharge capacity,
Calculate the discharge capacity of hydraulic pump (36) according to the proper property parameter of described magnetic valve and hydraulic pump (36)；
The third implementation: install pressure sensing on the pressure control loop of variable oil cylinder controlling hydraulic pump (36) swash plate
Device, the control pressure of measurand oil cylinder, the discharge capacity of hydraulic pump (36) is calculated according to the proper property parameter of hydraulic pump (36).
Preferably, described controller (2) directly or indirectly obtains the tach signal of hydraulic pump (36) or/and hydraulic motor (16)
Can adopt one of following three kinds of implementations, two kinds or all to realize:
The first implementation: install speed probe in the appropriate location of described transmission system, with described revolution speed sensing
Device measurement hydraulic pump (36) or hydraulic motor (16) or the 3rd axle (4) or first axle (12) or the 4th axle (23) or second
The rotating speed of axle (31), calculates turning of hydraulic pump (36) or hydraulic motor (16) according to the proper property parameter of described transmission system
Speed；
Second implementation: described power source (15) is engine；Described controller (2) directly reads the car of described vehicle
Fast sensor signal or engine speed sensor signal or engine cam signals of rotational speed sensor, according to described vehicle and
The proper property parameter of transmission system calculates hydraulic pump (36) or the rotating speed of hydraulic motor (16)；
The third implementation: described power source (15) is engine；Described controller (2) and the control of described vehicle self-carrying
Device communicates, and reads GES therein or engine rotational speed signal or engine cam signals of rotational speed sensor, according to institute
State vehicle and the proper property parameter of transmission system calculates hydraulic pump (36) or the rotating speed of hydraulic motor (16).
Preferably, described implement comprises the element with rotary inertia.
Preferably, in described implement catabiotic element be blower fan or water pump or hydraulic pump or generator or
Compressor.
Preferably, described transmission system is used in sprinkling truck, snow blowing truck, deicing vehicle, atomizing de-dusting car, sweeping machine, sweeper
Deng on engineering truck.
In a word, the invention provides a kind of transmission system of energy-conservation, for the vehicle with implement.Can be in car
In braking procedure, the inertia kinetic energy that vehicle is travelled is recovered and provided to implement acting, thus reducing the energy consumption of vehicle.
Brief description
Fig. 1 is overall pie graph under work pattern for the embodiment of the present invention 1；
Fig. 2 is the present invention the first energy transmission route (sketch) under work pattern；
Fig. 3 is second energy transmission route (sketch) under work pattern for the present invention；
Fig. 4 is the present invention the third energy transmission route (sketch) under work pattern；
Fig. 5 is the embodiment of the present invention 1 the first energy transmission route under work pattern；
Fig. 6 is second energy transmission route under work pattern for the embodiment of the present invention 1；
Fig. 7 is the embodiment of the present invention 1 the third energy transmission route under work pattern；
Fig. 8 is transmission principle figure under the first mode of operation (pattern of running at high speed) for the embodiment of the present invention 2；
Fig. 9 is transmission principle figure under second mode of operation (work pattern) for the embodiment of the present invention 2.
In figure, 1- input signal, 2- controller, 3- second gear, 4- the 3rd axle, 5- the 3rd gear, 6- hydraulic oil
Road a, 7- second synchronized, 11- implement drive output port, 12- first axle, 13- power input port, 14- power transmission shaft,
15- power source, 16- hydraulic motor, 17- first synchronized, 18- hydraulic motor power input port, 21- hydraulic circuit b,
22- bearing, 23- the 4th axle, 24- first gear, 25- box assembly, 26- the 4th gear, 31- second axle, 32- row
Sail power output mouth, 33- power transmission shaft, 34- vehicle traveling drive axle, 35- pressure sensor b, 36- hydraulic pump, 37- hydraulic pressure
Pump power delivery outlet, 38- pressure sensor a.
Specific embodiment
Hereinafter a kind of transmission system of the energy-conservation to the present invention is described in further detail.
Below with reference to accompanying drawings the present invention is described in more detail, which show the preferred embodiments of the present invention,
It should be appreciated that those skilled in the art can change invention described herein and still realize the advantageous effects of the present invention.Cause
This, description below is appreciated that widely known for those skilled in the art, and is not intended as limitation of the present invention.
In order to clear, whole features of practical embodiments are not described.In the following description, it is not described in detail known function
And structure, because they can make the present invention chaotic due to unnecessary details.It will be understood that opening in any practical embodiments
It is necessary to make a large amount of implementation details to realize the specific objective of developer in sending out, such as according to relevant system or relevant business
Limit, another embodiment is changed into from an embodiment.Additionally, it should when thinking that this development is possibly complicated and expends
Between, but it is only routine work to those skilled in the art.
For making the purpose of the present invention, feature become apparent, below in conjunction with the accompanying drawings the specific embodiment of the present invention is made
Further instruction.It should be noted that, accompanying drawing all in the form of very simplification and all using non-accurately ratio, only in order to side
Just, lucidly aid in illustrating the purpose of the embodiment of the present invention.
Refering to Fig. 1 to Fig. 9, the specific embodiment of the present invention is further illustrated.
Fig. 1 is overall pie graph under work pattern for the embodiment of the present invention 1.
The transmission system of this energy-conservation, for the vehicle with implement；Described transmission system is arranged on vehicle
On chassis；Described transmission system is by input signal (1), controller (2), gear-box, hydraulic circuit a(6), hydraulic circuit b
(21), the composition such as hydraulic motor (16), hydraulic pump (36), annex；Described gear-box by second gear (3), the 3rd axle (4),
Three gears (5), first axle (12), the 4th axle (23), first gear (24), box assembly (25), the 4th gear (26), the second axle
(31), the composition such as annex；
First axle (12), the second axle (31) coaxial line, one end of first axle (12) is power input port (13), power input port
(13) power source (15) is connect by power transmission shaft (14), power source (15) is typically clutch end or the car of vehicle chassis engine
The clutch end of chassis speed changing box；One end of second axle (31) is driving dynamics delivery outlet (32), driving dynamics delivery outlet
(32) traveling drive axle (34) is picked up by power transmission shaft (33)；Generally vehicle travels drive axle (34) connection wheel；3rd axle
(4) termination hydraulic pump (36), the other end is implement drive output port (11), a termination hydraulic pressure horse of the 4th axle (23)
Reach (16)；Between hydraulic pump (36) and hydraulic motor (16) adopt fluid pressure line a(6) and fluid pressure line b(21) connection formation close
Formula hydraulic circuit, controller (2) can adjust the discharge capacity of hydraulic pump (36)；Hydraulic pump (36) is using electric proportional valve (ratio electricity
Magnet) or servo valve Displacement Regulation mode Variable plunger pump.
Described vehicle has one or more mode of operation, and one of which mode of operation is referred to as operation mould
Formula, under described work pattern, described transmission system has following state: first axle (12) and first gear (24) are even
Connect, the second axle (31) and second gear (3) connect；3rd axle (4) and the connection of the 3rd gear (5), the 4th axle (23) and the 4th tooth
Wheel (26) connects；First gear (24) and the engagement of the 3rd gear (5), second gear (3) and the engagement of the 4th gear (26)；First axle
(12) and the second axle (31) disengages；Connection between described axle and axle or disengagement refer to the axle and axle company in power transmission
Connect or disengage.
Fig. 2 is the present invention the first energy transmission route (sketch) under work pattern；
Fig. 3 is second energy transmission route (sketch) under work pattern for the present invention；
Fig. 4 is the present invention the third energy transmission route (sketch) under work pattern；
Fig. 5 is the embodiment of the present invention 1 the first energy transmission route under work pattern；
Fig. 6 is second energy transmission route under work pattern for the embodiment of the present invention 1；
Fig. 7 is the embodiment of the present invention 1 the third energy transmission route under work pattern.
Under described work pattern, at least two kinds of the energy transmission route of described transmission system, i.e. the first energy
Transfer route and second energy transmission route, may also have the third energy transmission route, as described below respectively:
The first, described vehicle is when straight road surface accelerates or at the uniform velocity travels:
The energy that the power source (15) of vehicle provides, through power transmission shaft (14), is inputted by the power input port (13) of first axle (12),
Sequentially pass through first axle (12), first gear (24) and the 3rd gear (5) to pass to the 3rd axle (4) and divided in the 3rd axle (4)
For two parts；Wherein Part I energy passes to the implement of described vehicle through implement drive output port (11)；And
Wherein Part II energy sequentially passes through hydraulic pump (36), fluid pressure line a(6) and fluid pressure line b(21), hydraulic motor (16),
4th axle (23), the 4th gear (26), second gear (3) and the second axle (31), pass to driving dynamics delivery outlet (32), then warp
Power transmission shaft (33), vehicle travel drive axle (34) and carry out energy output, that is, drive vehicle to run；That is, the operation of described vehicle sets
Standby required energy is entirely from power source (15).
Second, described vehicle is when active is slowed down or brakes:
The energy that the power source (15) of vehicle provides, through power transmission shaft (14), is inputted by the power input port (13) of first axle (12),
Sequentially pass through first axle (12), first gear (24), the 3rd gear (5), the 3rd axle (4), implement drive output port (11)
Pass to the implement of described vehicle；Meanwhile, described transmission system absorb described vehicle traveling inertia kinetic energy or
Descending potential energy, is allowed to produce and slows down or braking effect, this portion of energy passes sequentially through vehicle and travels drive axle (34), power transmission shaft
(33), driving dynamics delivery outlet (32), the second axle (31), second gear (3), the 4th gear (26), the 4th axle (23), hydraulic pressure horse
Reach (16), fluid pressure line a(6) and fluid pressure line b(21), hydraulic pump (36), the 3rd axle (4), implement drive output port
(11) it is also passed to the implement of described vehicle；That is, the energy needed for the implement of described vehicle comes from power source
(15), also come from traveling inertia kinetic energy or the descending potential energy that described transmission system absorbs described vehicle；Now, hydraulic motor
(16) play the effect of pump, hydraulic pump (36) plays the effect of motor.
The third, described vehicle is when active is slowed down or brakes:
Described transmission system absorbs traveling inertia kinetic energy or the descending potential energy of described vehicle, is allowed to produce and slows down or braking effect
Really, this portion of energy passes sequentially through vehicle and travels drive axle (34), power transmission shaft (33), driving dynamics delivery outlet (32), the second axle
(31), second gear (3), the 4th gear (26), the 4th axle (23), hydraulic motor (16), fluid pressure line a(6) and fluid pressure line b
(21), hydraulic pump (36) passes to the 3rd axle (4) and is divided into two parts in the 3rd axle (4)；Wherein Part I energy is through making
Industry device drives delivery outlet (11) passes to the implement of described vehicle；And wherein Part II energy is successively through the 3rd gear
(5), first gear (24), first axle (12) and power input port (13), power transmission shaft (14) pass to power source (15)；That is, institute
State the traveling inertia kinetic energy that the energy needed for the implement of vehicle absorbs described vehicle entirely from described transmission system
Or descending potential energy；Now, hydraulic motor (16) plays the effect of pump, and hydraulic pump (36) plays the effect of motor.
Under described work pattern, the technical scheme realizing three kinds of energy transmission routes of described transmission system has very
Many, the concrete technical scheme that the embodiment of the present invention 1 is adopted is as follows:
Described input signal (1) at least includes the brake signal of described vehicle；Controller (2) directly or indirectly obtains hydraulic oil
Road a(6) and hydraulic circuit b(21) pressure or differential pressure information, also directly or indirectly obtain the discharge capacity information of hydraulic pump (36)；
Controller (2) obtain described vehicle brake signal when, according to control program control set in advance in controller (2)
Logic, actively, automatically adjusts hydraulic pump (36) discharge capacity, can be to described vehicle system in the way of permanent moment of torsion or change moment of torsion
Dynamic；Controller (2) also directly or indirectly obtains the tach signal of hydraulic pump (36) or/and hydraulic motor (16), and is obtaining institute
State vehicle brake signal when, according to control logic set in advance in controller (2) actively, automatically adjust hydraulic pump (36) row
Amount is additionally it is possible to be braked to described vehicle in the way of invariable power or Variable power.
Described controller (2) directly or indirectly obtains hydraulic circuit a(6) and hydraulic circuit b(21) pressure or pressure reduction
Information can adopt one of following three kinds of implementations, two kinds or all to realize:
First, define the flow direction of hydraulic oil it is assumed that hydraulic oil flows out from hydraulic pump (36), through hydraulic circuit b(21) flow into
Hydraulic motor (16), then through hydraulic circuit a(6) flow back to hydraulic pump (36)；
The first implementation: in described hydraulic circuit a(6) one pressure sensor a(38 of upper installation), its pressure reading is subtracted
Go hydraulic system back pressure as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；Generally, a closed type hydraulic system back pressure
For 2mpa, will pressure sensor a(38) the number of degrees deduct 2mpa as hydraulic circuit a(6) and hydraulic circuit b(21) pressure
Difference；
Second implementation: in described hydraulic circuit a(6) a pressure sensor a(38 is installed), in described hydraulic circuit b
(21) a pressure sensor b(35 is also installed) on；By pressure sensor a(38) pressure reading deduct pressure sensor b
(35) pressure reading is as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；
The third implementation: substitute the pressure sensor a(38 in described second implementation with a differential pressure pickup)
With pressure sensor b(35), directly read hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction.
The discharge capacity information that described controller (2) directly or indirectly obtains hydraulic pump (36) can adopt following three kinds of realization sides
One of formula, two kinds or all to realize:
The first implementation: displacement transducer, direct measurement hydraulic pump (36) variable are installed on the pump housing of hydraulic pump (36)
The displacement of swash plate, calculates the discharge capacity of hydraulic pump (36) according to the proper property parameter of hydraulic pump (36)；
Second implementation: read the electric current of magnetic valve, voltage or the pwm duty cycle signals controlling hydraulic pump (36) discharge capacity,
Calculate the discharge capacity of hydraulic pump (36) according to the proper property parameter of described magnetic valve and hydraulic pump (36)；
The third implementation: install pressure sensing on the pressure control loop of variable oil cylinder controlling hydraulic pump (36) swash plate
Device, the control pressure of measurand oil cylinder, the discharge capacity of hydraulic pump (36) is calculated according to the proper property parameter of hydraulic pump (36).
Described controller (2) directly or indirectly obtains the tach signal of hydraulic pump (36) or/and hydraulic motor (16),
Can adopt one of following three kinds of implementations, two kinds or all to realize:
The first implementation: install speed probe in the appropriate location of described transmission system, with described revolution speed sensing
Device measurement hydraulic pump (36) or hydraulic motor (16) or the 3rd axle (4) or first axle (12) or the 4th axle (23) or second
The rotating speed of axle (31), calculates turning of hydraulic pump (36) or hydraulic motor (16) according to the proper property parameter of described transmission system
Speed；
Second implementation: described controller (2) directly reads vehicle speed sensor signal or the engine speed of described vehicle
Sensor signal or engine cam signals of rotational speed sensor, according to the proper property parameter meter of described vehicle and transmission system
Calculate hydraulic pump (36) or the rotating speed of hydraulic motor (16)；
The third implementation: the controller communication of described controller (2) and described vehicle self-carrying, read speed letter therein
Number or engine rotational speed signal or engine cam signals of rotational speed sensor, according to the inherency of described vehicle and transmission system
Parameter can calculate hydraulic pump (36) or the rotating speed of hydraulic motor (16).
Described implement comprises the element with rotary inertia.
Fig. 8 is transmission principle figure under the first mode of operation (pattern of running at high speed) for the embodiment of the present invention 2；
Fig. 9 is transmission principle figure under second mode of operation (work pattern) for the embodiment of the present invention 2.
Embodiment 2 is one kind of technical scheme described in embodiment 1, is that a kind of embodiment to described gear-box is carried out
Refinement description；In order to describe simplicity, embodiment 2 emphasis describes composition and the transmission principle of gear-box, and other side is with reference to enforcement
Example 1 is implemented.
This transmission system of embodiment 2 description is arranged on vehicle chassis, and described vehicle is provided with implement；
Described transmission system is by input signal (1), controller (2), gear-box, hydraulic circuit a(6), hydraulic circuit b(21),
Hydraulic motor (16), hydraulic pump (36), annex etc. form；Described gear-box by box assembly (25), first axle (12), second
Axle (31), the 3rd axle (4), the 4th axle (23), first gear (24), second gear (3), the 3rd gear (5), the 4th gear
(26), the first synchronized (17), the second synchronized (7), the first pull-fork assembly, the second pull-fork assembly, hydraulic pump (36), hydraulic pressure horse
Reach (16), hydraulic circuit a(6) and hydraulic circuit b(21) and the composition such as annex.
Wherein, first axle (12), the second axle (31), the first synchronized (17), the second synchronized (7) coaxial line, first axle
(12) one end is total output input port (13), connects the delivery outlet of vehicle gear box by power transmission shaft (14)；Second axle (31)
One end be wheel power delivery outlet (32), this is passed through on the way by power transmission shaft connecting base plate drive axle (typically back axle), power
Footpath drives vehicle to travel；One end of 3rd axle (4) is hydraulic pump power output mouth (37), and the other end drives output for implement
Mouth (11)；One end of 4th axle (23) is hydraulic motor power input port (18), and hydraulic pump power output mouth (37) connects hydraulic pump
(36), hydraulic motor power input port (18) connect hydraulic motor (16), adopt liquid between hydraulic pump (36) and hydraulic motor (16)
Force feed road a(6) and hydraulic circuit b(21) connect formation closed hydraulic loop.
In first axle (12), both first gear (24) empty set can relatively rotate, and second gear (3) empty set exists
On second axle (31), both can relatively rotate；First gear (24) and the 3rd gear (5) engage all the time, second gear
(3) engage all the time with the 4th gear (26).Told that the first pull-fork assembly controls the first synchronized (17) to move forward and backward, described second
Pull-fork assembly controls the second synchronized (7) to move forward and backward；When first synchronized (17) is to a side shifting, realize first axle (12)
With the connection of the second axle (31), the disengagement of first axle (12) and first gear (24)；Otherwise when the first synchronized (17) is to another
During side shifting, realize first axle (12) and the disengagement of the second axle (31), the connection of first axle (12) and first gear (24)；The
When two synchronizeds (7) are to a side shifting, realize the second axle (31) and the disengagement of second gear (3)；Otherwise when the second synchronized (7)
During to another side shifting, realize the second axle (31) and the connection of second gear (3)；Connection or de- between described axle and axle
Open and refer to the connection in power transmission of axle and axle or disengagement.
Described transmission system includes two kinds of mode of operations:
The first mode of operation, is referred to as the pattern of running at high speed:
First axle (12) and the second axle (31) connect, first axle (12) and first gear (24) disengagement, meanwhile, the second axle (31) and
Second gear (3) disengages；In this operating mode, power is inputted by the total output input port (13) of first axle (12), directly
Through first axle (12) and the second axle (31), to wheel power delivery outlet (32) output of the second axle (31)；In the first Working mould
Under formula, this vehicle of driver driving and the common truck of driving are substantially as broad as long.
Second mode of operation, referred to as work pattern: first axle (12) and first gear (24) connect, the second axle
(31) connect with second gear (3)；3rd axle (4) and the 3rd gear (5) connect, and the 4th axle (23) and the 4th gear (26) are even
Connect；First gear (24) and the engagement of the 3rd gear (5), second gear (3) and the engagement of the 4th gear (26)；First axle (12) and
Two axles (31) disengage；
In a second mode of operation, power is inputted by the total output input port (13) of first axle (12), and power is through first axle
(12), first gear (24) and the 3rd gear (5) pass to the 3rd axle (4), and the power that the 3rd axle (4) exports is delivered separately to make
Industry equipment and hydraulic pump (36), the power that wherein hydraulic pump (36) exports passes through hydraulic circuit a(6) and hydraulic circuit b(21) pass
Pass hydraulic motor (16), the power that hydraulic motor (16) exports passes to the 4th axle (23), the power that the 4th axle (23) exports
Pass to the second axle (31) through the 4th gear (26) and second gear (3), the wheel power delivery outlet (32) through the second axle (31)
Carry out power output；
In a second mode of operation, this vehicle of driver driving and the common truck of driving have significant difference: would generally be by engine
It is set to permanent rotating speed (the high-power economic speed of typically engine, such as 1600 to 2400rpm, depending on specific model),
Using fixing gearbox-gear, implement is driven with constant rotational speed, and speed is realized by the discharge capacity adjusting hydraulic pump
Change.
Described implement drive output port (11), is mounted directly implement or installs the belt driving implement
Wheel, or connect the power transmission shaft driving implement or flange.
Described hydraulic pump (36) adopts variable-displacement pump, and hydraulic motor (16) adopts fixed displacement motor.
Described hydraulic pump (36) and hydraulic motor (16) are arranged in the both sides of transmission case.Hydraulic pump (36) and second
Wheel power delivery outlet (32) homonymy of axle (31), the total output input port (13) of hydraulic motor (16) and first axle (12) is same
Side.
Described the second axle (31) two ends all adopt bearings on box assembly (25)；One end of first axle (12) is used
On box assembly (25), the other end adopts bearings in the second axle (31) end to bearings.
Described first gear (24) passes through needle bearing empty set in first axle (12), and second gear (3) passes through needle roller axle
Hold empty set on the second axle (31)；Described first synchronized (17), it is described that the second synchronized (7) adopts spline connection form to realize
Connection between axle and axle, or described axle and gear；One-stage gear is adopted to pass between described first axle (12) and the 3rd axle (4)
Dynamic, adopt one-stage gear to be driven between the second axle (31) and the 4th axle (23)；Between 3rd gear (5) and the 3rd axle (4) it was
It is full of and is connected, both cannot relatively rotate；4th gear (26) and the 4th axle (23) are one-piece parts, and both are not
Can relatively rotate.
Can connect some primary hydraulic pumps in the end of described hydraulic pump (36), these primary hydraulic pumps can be that vehicle provides volume
Outer hydraulic power demand, such as drives oil cylinder or other hydraulic motors.
Described first synchronized (17) can be shifter collar or shifting slide gear or inertial type of synchronizer or gerotor type with
Step device；Described second synchronized (7) can be shifter collar or shifting slide gear or inertial type of synchronizer or gerotor type synchronization
Device.
Sprinkling truck, snow blowing truck, deicing vehicle, atomizing de-dusting car, sweeping machine, sweeper etc. are highly suitable for the technology of the present invention
The typical project vehicle of scheme, the implement of these vehicles is typically powerful blower fan, water pump, hydraulic pump, generator, pressure
Contracting machine etc..
In a word, the invention provides a kind of transmission system of energy-conservation, for the vehicle with implement, can be in car
In braking procedure, the traveling inertia kinetic energy of vehicle or descending potential energy are recovered and provided to implement acting, thus reducing
The energy consumption of vehicle.Additionally, because all or part of transmission system by the present invention of the brake force of vehicle provides, former on vehicle
The abrasion that the mechanical brake block having is led to due to braking will significantly reduce, and original mechanical brake block will enable with more
For a long time, therefore also reduce further vehicle use cost.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes that using this design, the present invention is carried out with unsubstantiality, all should fall into protection scope of the present invention.
Claims (8)
1. a kind of transmission system of energy-conservation, on vehicle it is characterised in that described transmission system is by controller (2), gear
Case, hydraulic circuit a(6), hydraulic circuit b(21), hydraulic motor (16), hydraulic pump (36), the composition such as annex；Described gear case and bag
Containing first axle (12) and the second axle (31), first axle (12), the second axle (31) coaxial line；One end of first axle (12) is that power is defeated
Entrance (13), one end of the second axle (31) is driving dynamics delivery outlet (32)；Gear-box is connected with hydraulic pump (36), gear-box and
Hydraulic motor (16) is connected；Gear-box comprises implement drive output port (11)；Hydraulic pump (36) and hydraulic motor (16) it
Between adopt fluid pressure line a(6) and fluid pressure line b(21) connect formation closed hydraulic loop；Controller (2) can adjust hydraulic pump
(36) discharge capacity；Described vehicle has one or more mode of operation, and one of which mode of operation is referred to as operation
Pattern；Under described work pattern, described transmission system has following state: first axle (12) and the second axle (31) take off
Open；Connection between described axle and axle or disengagement refer to the connection in power transmission of axle and axle or disengagement；
Under described work pattern, at least two kinds of the energy transmission route of described transmission system, i.e. the first energy transmission
Route and second energy transmission route, may also have the third energy transmission route, as described below respectively:
The first energy transmission route:
The energy that the power source (15) of vehicle provides inputs to gear-box through power input port (13), first axle (12) successively, and
It is internally divided into two parts in gear-box；Wherein Part I energy passes to described car through implement drive output port (11)
Implement；And wherein Part II energy sequentially passes through hydraulic pump (36), fluid pressure line a(6) and fluid pressure line b
(21), hydraulic motor (16) input gear case again, then through the second axle (31), pass to driving dynamics delivery outlet (32) and carry out energy
Amount output；That is, the energy needed for the implement of described vehicle is entirely from power source (15)；
Second energy transmission route:
The energy that power source (15) provides inputs to gear-box through power input port (13), first axle (12) successively, then through operation
Device drives delivery outlet (11) passes to the implement of described vehicle；Meanwhile, described transmission system absorbs described car
Traveling inertia kinetic energy or descending potential energy, be allowed to produce slow down or braking effect, this portion of energy through driving dynamics export
Mouth (32), the second axle (31) export to hydraulic motor (16) after inputing to gear-box again, then sequentially pass through fluid pressure line a(6) and
Fluid pressure line b(21), hydraulic pump inputs to gear-box again after (36), then is also passed to through implement drive output port (11)
The implement of described vehicle；That is, the energy needed for the implement of described vehicle comes from power source (15), also comes from
Described transmission system absorbs traveling inertia kinetic energy or the descending potential energy of described vehicle；
The third energy transmission route:
Described transmission system absorbs traveling inertia kinetic energy or the descending potential energy of described vehicle, is allowed to produce and slows down or braking effect
Really, this portion of energy exports to hydraulic motor after driving dynamics delivery outlet (32), the second axle (31) input to gear-box again
(16), then sequentially pass through fluid pressure line a(6) and fluid pressure line b(21), hydraulic pump input to gear-box again after (36), and
Gear-box is internally divided into two parts；Wherein Part I energy passes to described vehicle through implement drive output port (11)
Implement；And wherein Part II energy sequentially passes through first axle (12) and power input port (13) pass to power source
(15)；That is, the energy needed for the implement of described vehicle absorbs the row of described vehicle entirely from described transmission system
Sail inertia kinetic energy or descending potential energy.
2. as claimed in claim 1 a kind of transmission system of energy-conservation it is characterised in that described transmission system also includes inputting
Signal (1)；Described input signal (1) at least includes the brake signal of described vehicle；Controller (2) directly or indirectly obtains liquid
Force feed road a(6) and hydraulic circuit b(21) pressure or differential pressure information, the discharge capacity also directly or indirectly obtaining hydraulic pump (36) believes
Breath；Controller (2) obtain described vehicle brake signal when, according to control program control set in advance in controller (2)
Logic, actively, automatically adjusts hydraulic pump (36) discharge capacity, can be to described vehicle system in the way of permanent moment of torsion or change moment of torsion
Dynamic.
3. as claimed in claim 2 a kind of transmission system of energy-conservation it is characterised in that controller (2) also directly or indirectly obtains
Take hydraulic pump (36) or/and the tach signal of hydraulic motor (16), and when obtaining the brake signal of described vehicle, according to control
In device (2) control logic set in advance actively, automatically adjust hydraulic pump (36) discharge capacity additionally it is possible to invariable power or Variable power
Mode is braked to described vehicle.
4. as claimed in claim 2 a kind of transmission system of energy-conservation it is characterised in that described controller (2) directly or
Obtain and take hydraulic circuit a(6) and hydraulic circuit b(21) pressure or differential pressure information can be using in following three kinds of implementations
A kind of, two kinds or all to realize:
First, define the flow direction of hydraulic oil it is assumed that hydraulic oil flows out from hydraulic pump (36), through hydraulic circuit b(21) flow into
Hydraulic motor (16), then through hydraulic circuit a(6) flow back to hydraulic pump (36)；
The first implementation: in described hydraulic circuit a(6) one pressure sensor a(38 of upper installation), its pressure reading is subtracted
Go hydraulic system back pressure as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；
Second implementation: in described hydraulic circuit a(6) a pressure sensor a(38 is installed), in described hydraulic circuit b
(21) a pressure sensor b(35 is also installed) on；By pressure sensor a(38) pressure reading deduct pressure sensor b
(35) pressure reading is as hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction；
The third implementation: substitute the pressure sensor a(38 in described second implementation with a differential pressure pickup)
With pressure sensor b(35), directly read hydraulic circuit a(6) and hydraulic circuit b(21) pressure reduction.
5. as claimed in claim 2 a kind of transmission system of energy-conservation it is characterised in that described controller (2) directly or indirectly
Obtain hydraulic pump (36) discharge capacity information can adopt one of following three kinds of implementations, two kinds or all to realize:
The first implementation: displacement transducer, direct measurement hydraulic pump (36) variable are installed on the pump housing of hydraulic pump (36)
The displacement of swash plate, calculates the discharge capacity of hydraulic pump (36) according to the proper property parameter of hydraulic pump (36)；
Second implementation: read the electric current of magnetic valve, voltage or the pwm duty cycle signals controlling hydraulic pump (36) discharge capacity,
Calculate the discharge capacity of hydraulic pump (36) according to the proper property parameter of described magnetic valve and hydraulic pump (36)；
The third implementation: install pressure sensing on the pressure control loop of variable oil cylinder controlling hydraulic pump (36) swash plate
Device, the control pressure of measurand oil cylinder, the discharge capacity of hydraulic pump (36) is calculated according to the proper property parameter of hydraulic pump (36).
6. as claimed in claim 3 a kind of transmission system of energy-conservation it is characterised in that described controller (2) directly or indirectly
Obtain the tach signal of hydraulic pump (36) or/and hydraulic motor (16), can adopt one of following three kinds of implementations, two
Plant or all to realize:
The first implementation: install speed probe in the appropriate location of described transmission system, with described revolution speed sensing
Device measures the rotating speed of hydraulic pump (36) or the rotating speed of hydraulic motor (16) or the rotating speed of first axle (12) or the second axle (31)
The rotating speed of gearbox drive axle that rotating speed or hydraulic pump (36) are connected or the gearbox drive that hydraulic motor (16) is connected
The rotating speed of axle, calculates hydraulic pump (36) or the rotating speed of hydraulic motor (16) according to the proper property parameter of described transmission system；
Second implementation: described power source (15) is engine；Described controller (2) directly reads the car of described vehicle
Fast sensor signal or engine speed sensor signal or engine cam signals of rotational speed sensor, according to described vehicle and
The proper property parameter of transmission system calculates hydraulic pump (36) or the rotating speed of hydraulic motor (16)；
The third implementation: described power source (15) is engine；Described controller (2) and the control of described vehicle self-carrying
Device communicates, and reads GES therein or engine rotational speed signal or engine cam signals of rotational speed sensor, according to institute
State vehicle and the proper property parameter of transmission system calculates hydraulic pump (36) or the rotating speed of hydraulic motor (16).
7. as claimed in claim 1 a kind of transmission system of energy-conservation it is characterised in that described implement comprises to have turns
The element of dynamic inertia.
8. as claimed in claim 1 a kind of transmission system of energy-conservation it is characterised in that consumed energy in described implement
Element be blower fan or water pump or hydraulic pump or generator or compressor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870538.7A CN106335361B (en) | 2016-10-07 | 2016-10-07 | Energy-saving transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870538.7A CN106335361B (en) | 2016-10-07 | 2016-10-07 | Energy-saving transmission system |
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| CN106335361B CN106335361B (en) | 2024-05-17 |
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| DE102012010536A1 (en) * | 2012-05-29 | 2013-12-05 | Robert Bosch Gmbh | Hydraulic system for brake energy recovery of mechanical powertrain of bus, has hydraulic machine connected with power take-off part of internal combustion engine or output of internal combustion engine |
| CN105818668A (en) * | 2016-04-21 | 2016-08-03 | 中国第汽车股份有限公司 | Hydraulic auxiliary driving system with energy recovery and speed slowing functions and method thereof |
| CN206690876U (en) * | 2016-10-07 | 2017-12-01 | 长沙悠力传动有限公司 | A kind of transmission system of energy-conservation |
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2016
- 2016-10-07 CN CN201610870538.7A patent/CN106335361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365186A (en) * | 2009-01-28 | 2012-02-29 | 罗伯特·博世有限公司 | Energy storage system for a hybrid vehicle |
| DE102012010536A1 (en) * | 2012-05-29 | 2013-12-05 | Robert Bosch Gmbh | Hydraulic system for brake energy recovery of mechanical powertrain of bus, has hydraulic machine connected with power take-off part of internal combustion engine or output of internal combustion engine |
| CN203110908U (en) * | 2012-12-27 | 2013-08-07 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Oil-liquid hybrid power system |
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| CN206690876U (en) * | 2016-10-07 | 2017-12-01 | 长沙悠力传动有限公司 | A kind of transmission system of energy-conservation |
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