CN106151494A - The drive system of a kind of engineering machinery and control method thereof - Google Patents
The drive system of a kind of engineering machinery and control method thereof Download PDFInfo
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- CN106151494A CN106151494A CN201510210304.5A CN201510210304A CN106151494A CN 106151494 A CN106151494 A CN 106151494A CN 201510210304 A CN201510210304 A CN 201510210304A CN 106151494 A CN106151494 A CN 106151494A
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- Prior art keywords
- handle
- engineering machinery
- clutch
- control device
- signal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses drive system and the control method thereof of a kind of engineering machinery.This drive system includes: control device and arrangement of clutch；Control device to electrically connect with arrangement of clutch.Wherein, device is controlled for sending cut-off signal when engineering machinery is in idling mode to arrangement of clutch；Arrangement of clutch, for when receiving this cut-off signal, disconnects the connection with work system, stops exporting power to work system.The present invention solves the power drive system of existing engineering machinery on-disconnectable problem when idling operation.Further, owing to when idling mode, electromotor can disconnect with work system, such as disconnect with shaft coupling, power transmission shaft or hydraulic pump, eliminate the moment of resistance unnecessary in driving-chain, thus saved the fuel oil consumption of engineering machinery, reach the effect of energy-saving and emission-reduction.
Description
Technical field
The present invention relates to engineering machinery field, particularly to a kind of engineering machinery drive system and
Its control method.
Background technology
Energy-saving and emission-reduction have become whole world common recognition.Engineering machinery because its energy consumption is big, the activity duration is long,
Receiving much concern in recent years, current each large-engineering machinery manufacturer the most progressively carries out Construction Machinery Energy Saving and subtracts
Row's work.
At present, the engineering machinery transmission including autocrane, excavator is adopted mostly
By structure shown in Fig. 1, Fig. 2.Fig. 1 shows and includes electromotor 11, shaft coupling 12, biography
Moving axis 13 and the drive system of hydraulic pump 14.Fig. 2 shows and includes electromotor 21, speed change
Case 22, shaft coupling 23, power transmission shaft 24 and the drive system of hydraulic pump 25.Certainly, becoming
Power takeoff can also be included on speed case 22.Visible, the PWTN of existing engineering machinery
System can not disconnect, and i.e. after engine start, whole driving-chain is i.e. in operating condition, passes here
Dynamic chain refers to the drive system from electromotor to hydraulic pump.Such as, as it is shown in figure 1, driving-chain is:
Electromotor 11-shaft coupling 12-power transmission shaft 13-hydraulic pump 14.The most such as, the most as shown in Figure 2: pass
Dynamic chain is: electromotor 21-change speed gear box 22-shaft coupling 23-power transmission shaft 24-hydraulic pump 25.
Summary of the invention
It was found by the inventors of the present invention that engineering machinery is operationally, existing power drive system
Can not disconnect, when causing idling operation, driven by engine change speed gear box, shaft coupling and hydraulic pump
Etc. flogging a dead horse, cause unnecessary fuel consumption.
The present invention needs one solved technical problem is that: the PWTN of existing engineering machinery
System can not disconnect when idling operation.
According to the first aspect of the invention, it is provided that the drive system of a kind of engineering machinery, including:
Control device, for sending cut-off signal when engineering machinery is in idling mode to arrangement of clutch；
Arrangement of clutch, for when receiving described cut-off signal, disconnects the connection with work system,
Stop exporting power to work system.
Further, described control device be additionally operable to when described engineering machinery is in running order to
Described arrangement of clutch sends binding signal；Described arrangement of clutch is additionally operable to receiving described combination
During signal, perform to combine described work system, export power to described work system.
Further, the drive system of described engineering machinery also includes: handle condition checkout gear,
For obtaining handle state, and by handle status signal transmission to described control device；Wherein,
According to described handle status signal, described control device judges whether handle is in middle position, if described
Handle is in middle position, it is determined that described engineering machinery is in idling mode, the most described engineering machine
Tool is in running order.
Further, described handle condition checkout gear when there is multiple handle in described engineering machinery,
Obtain the state of the plurality of handle, and by the status signal transmission of the plurality of handle to described
Control device；Wherein, described control device judges institute according to the status signal of the plurality of handle
State whether multiple handle is in middle position, if the plurality of handle is in middle position, it is determined that institute
Stating engineering machinery and be in idling mode, the most described engineering machinery is in running order.
Further, described handle condition checkout gear is: angular transducer, pressure transducer or
Person's handle self.
Further, when the handle control mode of described engineering machinery is Mechanical course, described hands
Handle condition checkout gear is angular transducer, is arranged on handle, is used for measuring handle angle of oscillation
Degree, and by the transmission of described handle pendulum angle to described control device；Wherein, described control fills
Put when described handle pendulum angle is 0 degree, determine that described handle is in middle position.
Further, when the handle control mode of described engineering machinery is hydraulic pilot valve control,
Described handle condition checkout gear is pressure transducer, is arranged on guide's oil circuit, is used for measuring
The oil pressure of the hydraulic oil in described guide's oil circuit, and by the transmission of described oil pressure to described control device；
Wherein, described control device, when described oil pressure is 0bar, determines that described handle is in middle position.
Further, when the handle control mode of described engineering machinery is automatically controlled, described handle shape
State detection device is handle self, controls dress for being transmitted by the signal of telecommunication of handle state to described
Put；Wherein, described control device, when the described signal of telecommunication is 0 volt, determines at described handle
Yu Zhongwei.
Further, described arrangement of clutch includes: clutch actuator and clutch；Wherein, institute
State clutch actuator to electrically connect with described control device；Described clutch actuator is receiving
During described cut-off signal, described clutch is disconnected；When receiving described binding signal, by institute
State clutch to combine.
According to the second aspect of the invention, it is provided that a kind of control method, including: control device
Cut-off signal is sent to arrangement of clutch when engineering machinery is in idling mode；Arrangement of clutch is connecing
When receiving described cut-off signal, disconnect the connection with work system, stop exporting to work system
Power.
Further, described control method also includes: described control device is at described engineering machinery
Binding signal is sent to described arrangement of clutch when duty；Described arrangement of clutch is receiving
During described binding signal, perform to combine described work system, export power to described work system.
Further, device is being controlled when engineering machinery is in idling mode to arrangement of clutch transmission
Before cut-off signal, or at described control device when described engineering machinery is in running order
Before described arrangement of clutch sends binding signal, described control method also includes: handle state
Detection device obtains handle state, and by handle status signal transmission to described control device；Its
In, according to described handle status signal, described control device judges whether handle is in middle position, if
Described handle is in middle position, it is determined that described engineering machinery is in idling mode, the most described work
Journey machinery is in running order.
Further, device is being controlled when engineering machinery is in idling mode to arrangement of clutch transmission
Before cut-off signal, or at described control device when described engineering machinery is in running order
Before described arrangement of clutch sends binding signal, described control method also includes: described handle
Condition checkout gear is when there is multiple handle in described engineering machinery, it is thus achieved that the plurality of handle
State, and by the status signal transmission of the plurality of handle to described control device；Wherein, institute
State control device and judge that the plurality of handle is the most all located according to the status signal of the plurality of handle
Yu Zhongwei, if the plurality of handle is in middle position, it is determined that described engineering machinery is in idling
State, the most described engineering machinery is in running order.
Further, when the handle control mode of described engineering machinery is Mechanical course, described hands
Handle condition checkout gear is angular transducer；Handle condition checkout gear obtains handle state, and
By handle status signal transmission to described control device；Wherein, described control device is according to described
Handle status signal judges whether handle is in the step of middle position and includes: described angular transducer is surveyed
Amount handle pendulum angle, and by the transmission of described handle pendulum angle to described control device；Wherein,
Described control device, when described handle pendulum angle is 0 degree, determines that described handle is in middle position.
Further, when the handle control mode of described engineering machinery is hydraulic pilot valve control,
Described handle condition checkout gear is pressure transducer；Handle condition checkout gear obtains handle shape
State, and by handle status signal transmission to described control device；Wherein, described control device root
Judge whether handle is in the step of middle position and includes according to described handle status signal: described pressure passes
Sensor measures the oil pressure of the hydraulic oil in guide's oil circuit, and by the transmission of described oil pressure to described control
Device；Wherein, described control device, when described oil pressure is 0bar, determines at described handle
Yu Zhongwei.
Further, when the handle control mode of described engineering machinery is automatically controlled, described handle shape
State detection device is handle self；Handle condition checkout gear obtains handle state, and by handle
Status signal transmission is to described control device；Wherein, described control device is according to described handle shape
State signal judges whether handle is in the step of middle position and includes: described handle is by the electricity of handle state
Signal transmission is to described control device；Wherein, described control device is 0 volt at the described signal of telecommunication
Time special, determine that described handle is in middle position.
Further, described arrangement of clutch includes: clutch actuator and clutch；Arrangement of clutch
When receiving described cut-off signal, disconnect the connection with work system, stop to work system
Output power；Or described arrangement of clutch is when receiving described binding signal, perform to combine institute
Stating work system, the step to described work system output power includes: described clutch performs
Described clutch is disconnected by device when receiving described cut-off signal；Receiving described combination letter
Number time, described clutch is combined.
In the present invention, by controlling device when engineering machinery is in idling mode to arrangement of clutch
Sending cut-off signal, arrangement of clutch, when receiving cut-off signal, disconnects the company with work system
Connect, thus stopped electromotor and provide power to work system, solve existing engineering machinery
Power drive system is on-disconnectable problem when idling operation.
Further, owing to when idling mode, electromotor can disconnect with work system, example
As disconnected with shaft coupling, power transmission shaft or hydraulic pump, eliminate resistance unnecessary in driving-chain
Square, thus saved the fuel oil consumption of engineering machinery, reach the effect of energy-saving and emission-reduction.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the present invention
Further feature and advantage will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiments of the invention, and together with saying
Bright book is together for explaining the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from,
Wherein:
Fig. 1 is the structure connection diagram illustrating the drive system of engineering machinery in prior art.
Fig. 2 is the structure connection diagram illustrating the drive system of engineering machinery in prior art.
Fig. 3 is the knot of the drive system illustrating engineering machinery according to some embodiments of the invention
Structure connection diagram.
Fig. 4 is the drive system illustrating the engineering machinery according to other embodiments of the present invention
Structure connection diagram.
Fig. 5 is the control of the drive system illustrating engineering machinery according to some embodiments of the invention
The flow chart of method processed.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that
Arrive: unless specifically stated otherwise, the parts illustrated the most in these embodiments and the phase of step
Layout, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously, it should be appreciated that for the ease of describing, the chi of the various piece shown in accompanying drawing
Very little is not to draw according to actual proportionate relationship.
Description only actually at least one exemplary embodiment is illustrative below, certainly
Not as to the present invention and application thereof or any restriction of use.
May not make in detail for technology, method and apparatus known to person of ordinary skill in the relevant
Thin discussion, but in the appropriate case, described technology, method and apparatus should be considered to authorize to be said
A part for bright book.
Shown here with in all examples discussed, any occurrence should be construed as merely
Exemplary rather than conduct limits.Therefore, other example of exemplary embodiment can have
There is different values.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore,
The most a certain Xiang Yi accompanying drawing is defined, then need not it is carried out in accompanying drawing subsequently
Discussed further.
Engineering machinery (such as autocrane, excavator etc.) is in operation process, sometimes
Idling operation (idling is the state that internal combustion engine keeps the minimum running speed set) occurs, i.e.
Operation handle is in middle position (i.e. operation handle position in the raw), and engine idle is transported
OK, complete machine not operation.It was found by the inventors of the present invention that the most commonly used engineering machinery is moved
Power drive system, because its power drive system can not disconnect, when causing idling operation, electromotor
Drive change speed gear box, shaft coupling and hydraulic pump etc. to flog a dead horse, cause unnecessary fuel consumption.
Particularly for autocrane, statistics show autocrane in operation process, idling
Account for the 60% of the electromotor whole service time, reduce idling oil consumption and can effectively reduce complete machine
Operation oil consumption.Such as, 50 tons of autocrane fuel oils of certain model are disappeared by the present inventor
Consumption has carried out test and has measured, and when driven by engine drive system is idle, its fuel oil consumes
Amount is 3.86L/h, and after disconnecting driving-chain, its fuel consumption is 1.93L/h, i.e. disconnects biography
The oil consumption of dynamic chain rear engine is about the half before disconnecting.
Fig. 3 is the knot of the drive system illustrating engineering machinery according to some embodiments of the invention
Structure connection diagram.As it is shown on figure 3, drive system 30 includes: control device (for example,
Controller or control circuit) 301 and arrangement of clutch 302, this control device 301 fills with clutch
Put 302 electrical connections.For illustrative purposes, Fig. 3 also show electromotor 31 and work
System 32, such as, work system 32 may include that shaft coupling, power transmission shaft and hydraulic pump etc..
Control device 301 disconnected for sending to arrangement of clutch when engineering machinery is in idling mode
ON signal.
Arrangement of clutch 302, for when receiving cut-off signal, disconnects the connection with work system,
Stop exporting power to work system.
In this embodiment, arrangement of clutch is installed between electromotor and work system, passes through
Control device and send cut-off signal, clutch when engineering machinery is in idling mode to arrangement of clutch
Device, when receiving cut-off signal, disconnects the connection with work system, thus stopped and start
Machine provides power to work system, solves the power drive system of existing engineering machinery in idling
On-disconnectable problem during operating mode.Further, due to when idling mode, electromotor and work
Make system can disconnect, such as, disconnect with shaft coupling, power transmission shaft or hydraulic pump, eliminate biography
The moment of resistance unnecessary in dynamic chain, thus saved the fuel oil consumption of engineering machinery, reach energy-conservation
The effect reduced discharging.
In another embodiment, control device be additionally operable to when engineering machinery is in running order to
Arrangement of clutch sends binding signal；Arrangement of clutch is additionally operable to when receiving binding signal, performs
In conjunction with work system, export power to work system.In this embodiment, by engineering machine
When tool is in running order, controls device and send binding signal, arrangement of clutch root to arrangement of clutch
According to binding signal, perform to combine the operation of work system, so that electromotor is to work system
Output power.
Fig. 4 is the drive system illustrating the engineering machinery according to other embodiments of the present invention
Structure connection diagram.As shown in Figure 4, drive system 40 includes: control device 401 He
Arrangement of clutch 402.Arrangement of clutch 402 includes: clutch actuator 4021 and clutch 4022.
For illustrative purposes, Fig. 4 also show electromotor 41, work system 42, change speed gear box
43 (such as, power takeoff can also be included on change speed gear box) and handles 44.Work system 42
May include that shaft coupling 421, power transmission shaft 422 and hydraulic pump 423.Control device 401,
Arrangement of clutch 402, electromotor 41, work system 42 respectively with the control device shown in Fig. 3
301, arrangement of clutch 302, electromotor 31, work system 32 are similar to.
In an embodiment of the present invention, drive system 40 also includes: handle condition checkout gear
403, electrically connect with controlling device 401, be used for obtaining handle state, and by handle status signal
Transmission is to controlling device 401；Wherein, control device and judge handle 44 according to handle status signal
Whether it is in middle position, if handle 44 is in middle position, it is determined that engineering machinery is in idling mode,
Otherwise engineering machinery is in running order.In this embodiment, device is controlled by handle state
Detection device obtains handle state, and whether is in middle position according to handle condition adjudgement handle,
And then whether be in middle position according to handle and determine whether work mechanism is in idling mode, when sentencing
When disconnected work mechanism is in idling mode, send cut-off signal to arrangement of clutch, when judging work
Machinery in running order time, to arrangement of clutch send binding signal, thus realize electromotor with
The disconnection of work system or combination.
In another embodiment, handle condition checkout gear when there is multiple handle in engineering machinery,
Obtain the state of the plurality of handle, and by the status signal transmission of the plurality of handle to controlling device；
Wherein, control device and judge that the plurality of handle is the most all located according to the status signal of the plurality of handle
Yu Zhongwei, if the plurality of handle is in middle position, it is determined that engineering machinery is in idling mode,
Otherwise engineering machinery is in running order.Such as, engineering machinery occasionally there are multiple handle, right
In there is the situation of multiple handle, can be filled by a handle state-detection by corresponding each handle
Put the corresponding handle state that obtains, thus obtain the state of the plurality of handle, control device pair
The state of the plurality of handle carries out judgement to determine whether engineering machinery is in idling mode.
In an embodiment of the present invention, handle condition checkout gear can be: angular transducer,
Pressure transducer or handle self.Engineering machinery handle control mode has three kinds at present, respectively
For: Mechanical course, hydraulic pilot valve control and automatically controlled.The handle of mechanical control method is by pendulum
Fixed handle angle realizes controlling operation, and angular transducer therefore can be used as handle state
Detection device obtains handle pendulum angle, thus obtains handle state.Hydraulic pilot valve controls
The handle of mode controls actuator, therefore by controlling the hydraulic oil pressure in guide's oil circuit
Pressure transducer can be used to obtain the oil in guide's oil circuit as handle condition checkout gear
Pressure, thus obtain handle state.For the handle of automatically controlled mode, due to the operation telecommunications of handle
Number or the state signal of telecommunication be input to control device, therefore handle self can be as handle state
Detection device.
In one embodiment, when the handle control mode of engineering machinery is Mechanical course, hands
Handle condition checkout gear can be angular transducer, and this angular transducer is arranged on handle, uses
In measuring handle pendulum angle, and this handle pendulum angle is transmitted to controlling device；Wherein,
Control device, when handle pendulum angle is 0 degree, determines that handle is in middle position.If handle swings
Angle is not 0 degree, it is determined that handle is not at middle position.
In another embodiment, it is hydraulic pilot valve control when the handle control mode of engineering machinery
Time, handle condition checkout gear can be pressure transducer, and this pressure transducer is arranged on guide
On oil circuit, for measuring the oil pressure of the hydraulic oil in guide's oil circuit, and by the transmission of this oil pressure to control
Device processed；Wherein, control device is when this oil pressure is 0bar (bar), in determining that handle is in
Position.If this oil pressure is not 0bar, it is determined that handle is not at middle position.
In another embodiment, when the handle control mode of engineering machinery is automatically controlled, handle shape
State detection device is handle self, for transmitting the signal of telecommunication of handle state to controlling device；
Wherein, control device, when this signal of telecommunication is 0 volt, determines that handle is in middle position.If this electricity
Signal is not 0 volt, it is determined that handle is not at middle position.
In an embodiment of the present invention, as shown in Figure 4, arrangement of clutch 402 includes: clutch
Executor 4021 and clutch 4022；Wherein, clutch actuator 4021 and control device 401
Electrical connection；Clutch 4022 is disconnected by clutch actuator 4021 when receiving cut-off signal；
When receiving binding signal, clutch 4022 is combined.In one embodiment, clutch
May be mounted between electromotor and work system, such as, be arranged on electromotor and shaft coupling it
Between, the driving-chain of formation for example: electromotor-clutch-shaft coupling-power transmission shaft-hydraulic pump.?
In another embodiment, clutch may be mounted between change speed gear box and work system, such as speed change
Between case and shaft coupling, the driving-chain of formation for example: engine-gearbox-clutch-shaft coupling
Device-power transmission shaft-hydraulic pump.Certainly, it will be understood by those skilled in the art that the installation of clutch
Position can also be other positions, disconnects and combine the effect of work system i.e. as long as can play
Can, therefore, the scope of the present invention is not limited to that.
Such as, clutch can be mechanical clutch or electromagnetic clutch.Mechanical type clutch
Device by mechanical handling structure function on clutch hold-down mechanism, make clutch active part with
Secondary part combines or disconnects, and mechanical handling structure can be linkage.Mechanical clutch
Executor can be cylinder or oil cylinder.Electromagnetic clutch passes through solenoid controlled clutch
Active part be combined with secondary part or disconnect.The executor of electromagnetic clutch can be from
Clutch on and off switch.
In one embodiment, drive system can also include: protection device, in work
Make work system resident when system runs out of steam.Such as, when weight sling by crane,
During slinging, work system is run out of steam by electromotor, and at this moment protection device can make
Obtain work system to stop and resident, thus prevent weight-drop and cause the accident.Implement at another
In example, work system can also include: additional power system (such as electric power system),
When work system is run out of steam by electromotor, additional power system provides power for work system,
Prevent the accident being likely to result in owing to running out of steam suddenly.
Fig. 5 is the control of the drive system illustrating engineering machinery according to some embodiments of the invention
The flow chart of method processed.
In step S501, control device when engineering machinery is in idling mode to arrangement of clutch
Send cut-off signal.
In step S502, arrangement of clutch, when receiving cut-off signal, disconnects and work system
Connection, stop to work system export power.
In this embodiment, by controlling device when engineering machinery is in idling mode to clutch
Device sends cut-off signal, and arrangement of clutch, when receiving cut-off signal, disconnects and work system
Connection, thus stopped electromotor and provide power to work system, solve existing engineering machine
The power drive system of tool is on-disconnectable problem when idling operation.Further, due to
During idling mode, electromotor can disconnect with work system, such as with shaft coupling, power transmission shaft or
Person's hydraulic pump disconnects, and eliminates the moment of resistance unnecessary in driving-chain, thus has saved engineering machine
The fuel oil consumption of tool, reaches the effect of energy-saving and emission-reduction.
In another embodiment, control method can also include: controls device at engineering machinery
Binding signal is sent to arrangement of clutch when duty；Arrangement of clutch is receiving binding signal
Time, perform to combine work system, export power to work system.In this embodiment, pass through
When engineering machinery is in running order, controls device and send binding signal to arrangement of clutch, from
Locking device according to binding signal, performs to combine the operation of work system so that electromotor to
Work system output power.
In an embodiment of the present invention, arrangement of clutch includes: clutch actuator and clutch；
Arrangement of clutch, when receiving cut-off signal, disconnects the connection with work system, stops to work
System output power；Or arrangement of clutch is when receiving binding signal, perform to combine job family
System, the step to work system output power includes: clutch actuator is receiving disconnection letter
Number time by clutch disconnect；When receiving binding signal, clutch is combined.
In an embodiment of the present invention, control device when engineering machinery is in idling mode to
Before arrangement of clutch sends cut-off signal, or it is in work shape controlling device in engineering machinery
During state before arrangement of clutch sends binding signal, control method can also include: handle state
Detection device obtains handle state, and by handle status signal transmission to controlling device；Wherein,
Control device and judge whether handle is in middle position according to this handle status signal, if during handle is in
Position, it is determined that engineering machinery is in idling mode, and otherwise engineering machinery is in running order.
In an embodiment of the present invention, control device when engineering machinery is in idling mode to
Before arrangement of clutch sends cut-off signal, or it is in work shape controlling device in engineering machinery
During state before arrangement of clutch sends binding signal, control method can also include: handle state
Detection device is when there is multiple handle in engineering machinery, it is thus achieved that the state of the plurality of handle, and will
The status signal transmission of the plurality of handle is to controlling device；Wherein, device is controlled according to the plurality of
The status signal of handle judges whether the plurality of handle is in middle position, if the plurality of handle is all located
Yu Zhongwei, it is determined that engineering machinery is in idling mode, otherwise engineering machinery is in running order.
In one embodiment, when the handle control mode of engineering machinery is Mechanical course, hands
Handle condition checkout gear is angular transducer；Handle condition checkout gear obtains handle state, and
By handle status signal transmission to controlling device；Wherein, device is controlled according to handle status signal
Judge whether handle is in the step of middle position and includes: handle pendulum angle measured by angular transducer,
And this handle pendulum angle is transmitted to controlling device；Wherein, control device to swing at this handle
When angle is 0 degree, determine that handle is in middle position.If handle pendulum angle is not 0 degree, the most really
Determine handle and be not at middle position.
In another embodiment, it is hydraulic pilot valve control when the handle control mode of engineering machinery
Time, handle condition checkout gear is pressure transducer；Handle condition checkout gear obtains handle shape
State, and by handle status signal transmission to controlling device；Wherein, device is controlled according to handle shape
State signal judges whether handle is in the step of middle position and includes: pressure transducer measures guide's oil circuit
In the oil pressure of hydraulic oil, and this oil pressure is transmitted to controlling device；Wherein, control device to exist
When this oil pressure is 0bar, determine that handle is in middle position.If this oil pressure is not 0bar, it is determined that
Handle is not at middle position.
In another embodiment, when the handle control mode of engineering machinery is automatically controlled, handle shape
State detection device is handle self；Handle condition checkout gear obtains handle state, and by handle
Status signal transmission is to controlling device；Wherein, control device and judge hands according to handle status signal
Whether handle is in the step of middle position includes: the signal of telecommunication of handle state is transmitted to controlling dress by handle
Put；Wherein, control device, when this signal of telecommunication is 0 volt, determines that handle is in middle position.If
This signal of telecommunication is not 0 volt, it is determined that handle is not at middle position.
The present invention can apply at crane and Other Engineering mechanically (such as excavator etc.),
Its Main Function is incorporation engineering mechanical work feature, reduces engineering machinery under idling operation
Fuel consumption.Such as, in judging whether work machine operation handle is in by control device
Position (i.e. whether complete machine is in idling mode), and disconnect timely or combine in driving-chain from
Clutch, eliminates change speed gear box, power takeoff, shaft coupling, power transmission shaft, hydraulic pump etc. in driving-chain right
The moment of resistance that electromotor produces, thus fuel consumption when reducing engine idle, and at handle
When being touched, recover drive system in time and connect, recover engineer machinery operation state.
So far, the present invention is described in detail.In order to avoid covering the design of the present invention, do not have
Details more known in the field are described.Those skilled in the art as described above, completely
It can be appreciated how implement technical scheme disclosed herein.
The method and system of the present invention may be achieved in many ways.Such as, can pass through software,
Hardware, firmware or software, hardware, any combination of firmware realize the present invention method and
System.For the said sequence of step of described method merely to illustrate, the present invention's
The step of method is not limited to order described in detail above, unless specifically stated otherwise.
Additionally, in certain embodiments, the present invention also can be embodied as the journey recorded in the recording medium
Sequence, these programs include the machine readable instructions for realizing the method according to the invention.Thus,
The present invention also covers the record medium of the storage program for performing the method according to the invention.
Although some specific embodiments of the present invention being described in detail by example,
But it should be appreciated by those skilled in the art, above example is not merely to illustrate, and not
It is to limit the scope of the present invention.It should be appreciated by those skilled in the art, can without departing from
In the case of scope and spirit of the present invention, above example is modified.The model of the present invention
Enclose and be defined by the following claims.
Claims (17)
1. the drive system of an engineering machinery, it is characterised in that including:
Control device, disconnect for sending to arrangement of clutch when engineering machinery is in idling mode
Signal；
Arrangement of clutch, for when receiving described cut-off signal, disconnects the company with work system
Connect, stop exporting power to work system.
The drive system of engineering machinery the most according to claim 1, it is characterised in that
Described control device is additionally operable to when described engineering machinery is in running order to described clutch
Device sends binding signal；
Described arrangement of clutch is additionally operable to when receiving described binding signal, performs to combine described work
Make system, export power to described work system.
The drive system of engineering machinery the most according to claim 2, it is characterised in that also wrap
Include:
Handle condition checkout gear, is used for obtaining handle state, and by handle status signal transmission
To described control device；
Wherein, during according to described handle status signal, described control device judges whether handle is in
Position, if described handle is in middle position, it is determined that described engineering machinery is in idling mode, otherwise
Described engineering machinery is in running order.
The drive system of engineering machinery the most according to claim 3, it is characterised in that
Described handle condition checkout gear is when there is multiple handle in described engineering machinery, it is thus achieved that institute
State the state of multiple handle, and the status signal transmission of the plurality of handle is controlled dress to described
Put；
Wherein, described control device judges the plurality of according to the status signal of the plurality of handle
Whether handle is in middle position, if the plurality of handle is in middle position, it is determined that described engineering
Machinery is in idling mode, and the most described engineering machinery is in running order.
5. according to the drive system of engineering machinery described in claim 3 or 4, it is characterised in that
Described handle condition checkout gear is: angular transducer, pressure transducer or handle are certainly
Body.
The drive system of engineering machinery the most according to claim 5, it is characterised in that
When the handle control mode of described engineering machinery is Mechanical course,
Described handle condition checkout gear is angular transducer, is arranged on handle, is used for measuring
Handle pendulum angle, and by the transmission of described handle pendulum angle to described control device；
Wherein, described control device, when described handle pendulum angle is 0 degree, determines described hands
Handle is in middle position.
The drive system of engineering machinery the most according to claim 5, it is characterised in that
When the handle control mode of described engineering machinery is hydraulic pilot valve control,
Described handle condition checkout gear is pressure transducer, is arranged on guide's oil circuit, is used for
Measure the oil pressure of hydraulic oil in described guide's oil circuit, and by the transmission of described oil pressure to described control
Device；
Wherein, described control device, when described oil pressure is 0bar, determines that described handle is in
Middle position.
The drive system of engineering machinery the most according to claim 5, it is characterised in that
When the handle control mode of described engineering machinery is automatically controlled,
Described handle condition checkout gear is handle self, for being passed by the signal of telecommunication of handle state
Transport to described control device；
Wherein, described control device, when the described signal of telecommunication is 0 volt, determines at described handle
Yu Zhongwei.
The drive system of engineering machinery the most according to claim 2, it is characterised in that
Described arrangement of clutch includes: clutch actuator and clutch；
Wherein, described clutch actuator electrically connects with described control device；
Described clutch is disconnected by described clutch actuator when receiving described cut-off signal；
When receiving described binding signal, described clutch is combined.
10. a control method, it is characterised in that including:
Control device and send cut-off signal when engineering machinery is in idling mode to arrangement of clutch；
Arrangement of clutch, when receiving described cut-off signal, disconnects the connection with work system, stops
Only export power to work system.
11. control methods according to claim 10, it is characterised in that also include:
Described control device is sent out to described arrangement of clutch when described engineering machinery is in running order
Send binding signal；
Described arrangement of clutch, when receiving described binding signal, performs to combine described work system,
Power is exported to described work system.
12. according to control method described in claim 11, it is characterised in that exist controlling device
When engineering machinery is in idling mode before arrangement of clutch sends cut-off signal, or described
Control device and send combination letter when described engineering machinery is in running order to described arrangement of clutch
Before number, also include:
Handle condition checkout gear obtains handle state, and by handle status signal transmission to described
Control device；
Wherein, during according to described handle status signal, described control device judges whether handle is in
Position, if described handle is in middle position, it is determined that described engineering machinery is in idling mode, otherwise
Described engineering machinery is in running order.
13. according to control method described in claim 12, it is characterised in that exist controlling device
When engineering machinery is in idling mode before arrangement of clutch sends cut-off signal, or described
Control device and send combination letter when described engineering machinery is in running order to described arrangement of clutch
Before number, also include:
Described handle condition checkout gear is when there is multiple handle in described engineering machinery, it is thus achieved that institute
State the state of multiple handle, and the status signal transmission of the plurality of handle is controlled dress to described
Put；
Wherein, described control device judges the plurality of according to the status signal of the plurality of handle
Whether handle is in middle position, if the plurality of handle is in middle position, it is determined that described engineering
Machinery is in idling mode, and the most described engineering machinery is in running order.
14. according to control method described in claim 12, it is characterised in that
When the handle control mode of described engineering machinery is Mechanical course, described handle state is examined
Survey device is angular transducer；
Handle condition checkout gear obtains handle state, and by handle status signal transmission to described
Control device；Wherein, whether described control device judges handle according to described handle status signal
The step being in middle position includes:
Handle pendulum angle measured by described angular transducer, and transmitted by described handle pendulum angle
To described control device；
Wherein, described control device, when described handle pendulum angle is 0 degree, determines described hands
Handle is in middle position.
15. according to control method described in claim 12, it is characterised in that
When the handle control mode of described engineering machinery is hydraulic pilot valve control, described handle
Condition checkout gear is pressure transducer；
Handle condition checkout gear obtains handle state, and by handle status signal transmission to described
Control device；Wherein, whether described control device judges handle according to described handle status signal
The step being in middle position includes:
Described pressure transducer measures the oil pressure of the hydraulic oil in guide's oil circuit, and by described oil pressure
Transmission is to described control device；
Wherein, described control device, when described oil pressure is 0bar, determines that described handle is in
Middle position.
16. according to control method described in claim 12, it is characterised in that
When the handle control mode of described engineering machinery is automatically controlled, described handle state-detection fills
It is set to handle self；
Handle condition checkout gear obtains handle state, and by handle status signal transmission to described
Control device；Wherein, whether described control device judges handle according to described handle status signal
The step being in middle position includes:
The signal of telecommunication of handle state is transmitted to described control device by described handle；
Wherein, described control device, when the described signal of telecommunication is 0 volt, determines at described handle
Yu Zhongwei.
17. according to control method described in claim 11, it is characterised in that
Described arrangement of clutch includes: clutch actuator and clutch；
Arrangement of clutch, when receiving described cut-off signal, disconnects the connection with work system, stops
Only export power to work system；Or described arrangement of clutch is when receiving described binding signal,
Execution combines described work system, and the step to described work system output power includes:
Described clutch is disconnected by described clutch actuator when receiving described cut-off signal；
When receiving described binding signal, described clutch is combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210304.5A CN106151494A (en) | 2015-04-28 | 2015-04-28 | The drive system of a kind of engineering machinery and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210304.5A CN106151494A (en) | 2015-04-28 | 2015-04-28 | The drive system of a kind of engineering machinery and control method thereof |
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| CN106151494A true CN106151494A (en) | 2016-11-23 |
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| CN201510210304.5A Pending CN106151494A (en) | 2015-04-28 | 2015-04-28 | The drive system of a kind of engineering machinery and control method thereof |
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Application publication date: 20161123 |