CN108757879A - A kind of hydraulic-machinery combined driving device - Google Patents
A kind of hydraulic-machinery combined driving device Download PDFInfo
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- CN108757879A CN108757879A CN201810516604.XA CN201810516604A CN108757879A CN 108757879 A CN108757879 A CN 108757879A CN 201810516604 A CN201810516604 A CN 201810516604A CN 108757879 A CN108757879 A CN 108757879A
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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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
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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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/425—Motor capacity control by electric actuators
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of hydraulic-machinery combined driving devices, including motor, hydraulic motor, transmission box assembly, bearing assembly, ball-screw-transmission component, displacement/velocity sensor, speed/torque/rotary angle transmitter, electronic switch, adder, controller, electric machine controller and hydraulic circuit.Motor and hydraulic motor are connected in series with by the hydraulic-machinery combined driving device, are collectively constituted power source and are driven, and convert rotational motion to move along a straight line with ball screw assembly, by transmission case.While the hydraulic-machinery combined driving device remains electric cylinder advantage, the big advantage of hydraulic system power density is increased, it, can be in the case of reduced size by the composite drive of hydraulic pressure and motor, electric cylinder power/weight ratio is improved, to adapt to the occasion of impact, heavy duty.
Description
Technical field
The invention belongs to machine-electric-liquid integration drive technology field, what is related in particular to is that a kind of hydraulic-machinery is multiple
Close driving device.
Background technology
With the rapid development of modern industry and equipment manufacture, electric cylinder is increasing in the application of machinery field, work
Requirement of the Cheng personnel to electric cylinder is also higher and higher.Electric cylinder is by servo motor and the integrated electro-mechanical of ball-screw
Tool actuator, function is to be converted into moving along a straight line by the rotary motion of servo motor, while by the precise rotation control of servo motor
System, accurate corner control, precision torque control transformation is in line, speed, position and thrust control.Compared to hydraulic cylinder, gas
Cylinder pressure, electric cylinder have high transmission efficiency, strong environmental adaptability, positioning accuracy, easy to maintain, reliability and safety
High, stable, service life is long, responds the features such as fast, synchronism is good.It is widely used in lathe vertical feed axis, weaving is set
In the equipment such as standby stretching and clamp system, Test Equipment.
But the existing maximum deficiency of electric cylinder is that bearing capacity is weak, is mainly used for the occasion of underloading, it is difficult to for rushing
Load and heavily loaded occasion are hit, some companies are realized by the approach of expanded motor power, but space needs are larger, in some peaces
It fills size-constrained occasion and is not suitable for.
Invention content
For deficiency existing for above-mentioned electromechanical actuator, the present invention provides a kind of hydraulic-machinery composite drive dresses
It sets.Motor and hydraulic motor are connected in series with by the hydraulic-machinery combined driving device, are collectively constituted power source and are driven,
And it converts rotational motion to move along a straight line with ball screw assembly, by transmission case.The hydraulic-machinery combined driving device retains
While electric cylinder advantage, the big advantage of hydraulic system power density is increased, by the composite drive of hydraulic pressure and motor,
Electric cylinder power/weight ratio can be improved in the case of reduced size, to adapt to the occasion of impact, heavy duty.
A kind of hydraulic-machinery combined driving device, including motor (1), hydraulic motor (2), transmission box assembly (3), axis
Bearing assembly (4), ball-screw-transmission component (5), displacement/velocity sensor (6), speed/torque/rotary angle transmitter (7), the Ith
Electronic switch (8), the IIth electronic switch (9), the Ith adder (10), the Ith controller (11), the IIth adder (12), the IIth control
Device (13), electric machine controller (14) and hydraulic circuit (15) processed；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, motor is connect with hydraulic motor；Ball-screw-transmission component is mounted on the output end of transmission case, transmission
Driven wheel in case is mounted in ball-screw-transmission component on the axis of leading screw, and the axis of leading screw is by axis in ball-screw-transmission component
Bearing assembly supports；Ball-screw-transmission element end installs displacement/velocity sensor, the detection signal of displacement/velocity sensor
With setting signal UfSend the Ith adder to, the Ith electronic switch of installation between displacement/velocity sensor and the Ith adder, the Ith
The output end of adder is connect with the Ith controller；The output end of Ith controller is connected with the IIth adder；Motor end
Speed/torque/rotary angle transmitter is installed, speed/torque/rotary angle transmitter output end is controlled by the IIth electronic switch and the Ith
The IIth adder of connection, the output end of the IIth adder connect the IIth controller to device output end jointly；The output of IIth controller
End connection electric machine controller, electric machine controller are connect with motor；Hydraulic motor connects hydraulic circuit；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller, the speed/torque/rotary angle transmitter is by motor
Speed/torque/corner is converted into electric signal, output signal operation in the IIth adder with the Ith controller, and by operation knot
Fruit inputs the IIth controller, and the IIth controller sends control instruction to electric machine controller, after electric machine controller receives control instruction
Control rotating speed, torque and the corner of motor operation.
A kind of hydraulic-machinery combined driving device, including hydraulic motor (2), transmission box assembly (3), bearing assembly (4),
Ball-screw-transmission component (5), displacement/velocity sensor (6), the Ith electronic switch (8), the IIth electronic switch (9), the Ith addition
Device (10), the Ith controller (11), the IIth adder (12), the IIth controller (13), hydraulic motor controller (25), rotating speed/turn
Square/angle sensor (26) and hydraulic circuit (15)；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, ball-screw-transmission component is mounted on the output end of transmission box assembly, the installation of ball-screw-transmission component
Driven wheel in the output end of transmission case, transmission case is mounted in ball-screw-transmission component on the axis of leading screw, ball-screw
The axis of leading screw is supported by bearing assembly in transmission component；Ball-screw-transmission element end installs displacement/velocity sensor, position
The detection signal of shifting/velocity sensor and setting signal UfSend the Ith adder, displacement/velocity sensor and the Ith adder to
Between the Ith electronic switch is installed, the output end of the Ith adder connect with the Ith controller；The output end and the IIth of Ith controller
Adder is connected；Speed/torque/rotary angle transmitter is installed in motor end, and speed/torque/rotary angle transmitter output end is logical
It crosses the IIth electronic switch and connect the IIth adder, the output end connection the IIth of the IIth adder jointly with the Ith controller output end
Controller；The output end of IIth controller connects electric machine controller, and electric machine controller is connect with motor；Hydraulic motor connects liquid
Push back road；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller；Speed/torque/the angle sensor is by hydraulic motor
Pivot angle be converted into electric signal, output signal operation in the IIth adder with the Ith controller, the IIth adder operation result
The IIth controller is inputted, the IIth controller of the IIth controller sends to hydraulic motor controller and instructs, and hydraulic motor controller is received
The pivot angle of hydraulic motor is controlled after to control instruction.
The power source be motor or hydraulic motor or hydraulic motor with motor connect or the hydraulic motor is
Constant displacement hydraulic motor or variable hydraulic motor.
The hydraulic motor is the hydraulic motor of axial piston motor or radial plunger piston motor or other forms.
The variable hydraulic motor is that manual variable motor or mechanical variables motor or electrical proportional control variable displacement motor.
The hydraulic motor is the complex form of constant pressure motor or permanent displacement motor or invariable power motor or aforementioned motors.
The hydraulic motor can also be the motor of compressed air-driven.
The motor is AC asynchronous motor or switched reluctance motor or dc motor or servomotor.
The hydraulic circuit is any one hydraulic circuit of existing control hydraulic motor rotation.
Compared with prior art, the present invention having the advantages that notable：
1. present invention preserves while electric cylinder advantage, have the big advantage of the power density of hydraulic system, increases
Power/weight ratio realizes the conversion of hydraulic gyration and mechanical straight line, solves that traditional electric cylinders are difficult to adapt to heavy duty, impact is shaken
Dynamic disadvantage.
2. the present invention improves the bearing capacity of actuator under the premise of controlling cylinder size, can be adapted for that ruler is installed
Very little limited and heavy duty, shock and vibration occasion.Can fault-free long-term work in the presence of a harsh environment, and realize high intensity, height
Speed, high-precision motion.
Description of the drawings
Fig. 1 is the schematic diagram of hydraulic-machinery combined driving device of the present invention；
Fig. 2 is the three-dimensional structure diagram of hydraulic-machinery combined driving device of the present invention；
Fig. 3 is the sectional view of hydraulic-machinery combined driving device of the present invention；
Fig. 4 is first embodiment of the invention schematic diagram；
Fig. 5 is first embodiment of the invention sectional view；
Fig. 6 is second embodiment of the invention sectional view；
Fig. 7 is third embodiment of the invention sectional view；
Fig. 8 is a kind of schematic diagram of hydraulic circuit of the present invention.
In figure, 1- motor, 2- hydraulic motors, 3- transmission box assemblies, 4- bearing assemblies, 5- ball-screw-transmission components,
6- displacements/velocity sensor, 7- speed/torques/rotary angle transmitter, the Ith electronic switches of 8-, the IIth electronic switches of 9-, 10- the Ith
Adder, the Ith controllers of 11-, the IIth adders of 12-, the IIth controllers of 13-, 14- electric machine controllers, 15- hydraulic circuits, 16-
Closed type hydraulic pump, the Ith overflow valves of 17-, the IIth overflow valves of 18-, the IIIth overflow valves of 19-, the Ith check valves of 20-, 21- the IIth are unidirectional
Valve, 22- filters, 23- slippage pumps, 24- fuel tanks, 25- hydraulic motor controllers, 26- speed/torques/angle sensor.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described.
A kind of hydraulic-machinery combined driving device, including motor 1, hydraulic motor 2, transmission box assembly 3, bearing assembly
4, ball-screw-transmission component 5, displacement/velocity sensor 6, speed/torque/rotary angle transmitter 7, the Ith electronic switch the 8, the IIth
Electronic switch 9, the Ith adder 10, the Ith controller 11, the IIth adder 12, the IIth controller 13, electric machine controller 14 and liquid
Push back road 15；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, motor is connect with hydraulic motor；Ball-screw-transmission component is mounted on the output end of transmission case, transmission
Driven wheel in case is mounted in ball-screw-transmission component on the axis of leading screw, and the axis of leading screw is by axis in ball-screw-transmission component
Bearing assembly supports；Ball-screw-transmission element end installs displacement/velocity sensor, the detection signal of displacement/velocity sensor
With setting signal UfSend the Ith adder to, the Ith electronic switch of installation between displacement/velocity sensor and the Ith adder, the Ith
The output end of adder is connect with the Ith controller；The output end of Ith controller is connected with the IIth adder；Motor end
Speed/torque/rotary angle transmitter is installed, speed/torque/rotary angle transmitter output end is controlled by the IIth electronic switch and the Ith
The IIth adder of connection, the output end of the IIth adder connect the IIth controller to device output end jointly；The output of IIth controller
End connection electric machine controller, electric machine controller are connect with motor；Hydraulic motor connects hydraulic circuit；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller, the speed/torque/rotary angle transmitter is by motor
Speed/torque/corner is converted into electric signal, output signal operation in the IIth adder with the Ith controller, and by operation knot
Fruit inputs the IIth controller, and the IIth controller sends control instruction to electric machine controller, after electric machine controller receives control instruction
Control rotating speed, torque and the corner of motor operation.
A kind of hydraulic-machinery combined driving device, including hydraulic motor 2, transmission box assembly 3, bearing assembly 4, ball wire
Thick stick transmission component 5, displacement/velocity sensor 6, the Ith electronic switch 8, the IIth electronic switch 9, the Ith adder 10, the Ith controller
11, the IIth adder 12, the IIth controller 13, hydraulic motor controller 25, speed/torque/angle sensor 26 and hydraulic pressure return
Road 15；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, ball-screw-transmission component is mounted on the output end of transmission box assembly, the installation of ball-screw-transmission component
Driven wheel in the output end of transmission case, transmission case is mounted in ball-screw-transmission component on the axis of leading screw, ball-screw
The axis of leading screw is supported by bearing assembly in transmission component；Ball-screw-transmission element end installs displacement/velocity sensor, position
The detection signal of shifting/velocity sensor and setting signal UfSend the Ith adder, displacement/velocity sensor and the Ith adder to
Between the Ith electronic switch is installed, the output end of the Ith adder connect with the Ith controller；The output end and the IIth of Ith controller
Adder is connected；Speed/torque/rotary angle transmitter is installed in motor end, and speed/torque/rotary angle transmitter output end is logical
It crosses the IIth electronic switch and connect the IIth adder, the output end connection the IIth of the IIth adder jointly with the Ith controller output end
Controller；The output end of IIth controller connects electric machine controller, and electric machine controller is connect with motor；Hydraulic motor connects liquid
Push back road；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller；Speed/torque/the angle sensor is by hydraulic motor
Pivot angle be converted into electric signal, output signal operation in the IIth adder with the Ith controller, the IIth adder operation result
The IIth controller is inputted, the IIth controller of the IIth controller sends to hydraulic motor controller and instructs, and hydraulic motor controller is received
The pivot angle of hydraulic motor is controlled after to control instruction.
The power source be motor or hydraulic motor or hydraulic motor with motor connect or the hydraulic motor is
Constant displacement hydraulic motor or variable hydraulic motor.
The hydraulic motor is the hydraulic motor of axial piston motor or radial plunger piston motor or other forms.
The variable hydraulic motor is that manual variable motor or mechanical variables motor or electrical proportional control variable displacement motor.
The hydraulic motor is the complex form of constant pressure motor or permanent displacement motor or invariable power motor or aforementioned motors.
The hydraulic motor can also be the motor of compressed air-driven.
The motor is AC asynchronous motor or switched reluctance motor or dc motor or servomotor.
The hydraulic circuit is any one hydraulic circuit of existing control hydraulic motor rotation.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of hydraulic-machinery combined driving device, be include motor 1, hydraulic motor 2,
It is driven box assembly 3, bearing assembly 4, ball-screw-transmission component 5, displacement/velocity sensor 6, speed/torque/rotary angle transmitter
7, the Ith electronic switch 8, the IIth electronic switch 9, the Ith adder 10, the Ith controller 11, the IIth adder 12, the IIth controller
13, electric machine controller 14 and hydraulic pressure horse circuit 15.
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, motor is connect with hydraulic motor；Ball-screw-transmission component is mounted on the output end of transmission case, transmission
Driven wheel in case is mounted in ball-screw-transmission component on the axis of leading screw, and the axis of leading screw is by axis in ball-screw-transmission component
Bearing assembly supports；Ball-screw-transmission element end installs displacement/velocity sensor, the detection signal of displacement/velocity sensor
With setting signal UfSend the Ith adder to, the Ith electronic switch of installation between displacement/velocity sensor and the Ith adder, the Ith
The output end of adder is connect with the Ith controller；The output end of Ith controller is connected with the IIth adder；Motor end
Speed/torque/rotary angle transmitter is installed, speed/torque/rotary angle transmitter output end is controlled by the IIth electronic switch and the Ith
The IIth adder of connection, the output end of the IIth adder connect the IIth controller to device output end jointly；The output of IIth controller
End connection electric machine controller, electric machine controller are connect with motor；Hydraulic motor connects hydraulic circuit.
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller, the speed/torque/rotary angle transmitter is by motor
Speed/torque/corner is converted into electric signal, output signal operation in the IIth adder with the Ith controller, and by operation knot
Fruit inputs the IIth controller, and the IIth controller sends control instruction to electric machine controller, after electric machine controller receives control instruction
Control rotating speed, torque and the corner of motor operation.
The motor is connected in series with hydraulic motor, is collectively constituted power source and is driven, passes through transmission case and ball
Lead screw pair moves in a straight line rotary motion driving piston rod.
It is closed loop when Ith electronic switch and the IIth electronic switch are closed at；Ith electronic switch is opened, the IIth electricity
It is semi-closure loop back path when sub switch is closed；It is open loop when Ith electronic switch and the IIth electronic switch open simultaneously.
In the course of work, the rotary motion of motor and hydraulic motor is converted into moving along a straight line, while by servomotor
Optimum benefits：True rotating speed control, accurate revolution control, precision torque control are transformed into：Precise speed controls, exact position control
System, accurate thrust control, hydraulic motor power/big advantage of weight ratio is also brought into play, can in the presence of a harsh environment without reason
Hinder long-term work, and realizes high intensity, high speed, high-precision motion.
Embodiment 2
As shown in Figure 4, Figure 5, a kind of hydraulic-machinery combined driving device,
Including hydraulic motor 2, transmission box assembly 3, bearing assembly 4, ball-screw-transmission component 5, displacement/velocity sensor
6, the Ith electronic switch 8, the IIth electronic switch 9, the Ith adder 10, the Ith controller 11, the IIth adder 12, the IIth controller
13, hydraulic motor controller 25, speed/torque/angle sensor 26 and hydraulic circuit 15；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on
On the axis of hydraulic motor, ball-screw-transmission component is mounted on the output end of transmission box assembly, the installation of ball-screw-transmission component
Driven wheel in the output end of transmission case, transmission case is mounted in ball-screw-transmission component on the axis of leading screw, ball-screw
The axis of leading screw is supported by bearing assembly in transmission component；Ball-screw-transmission element end installs displacement/velocity sensor, position
The detection signal of shifting/velocity sensor and setting signal UfSend the Ith adder, displacement/velocity sensor and the Ith adder to
Between the Ith electronic switch is installed, the output end of the Ith adder connect with the Ith controller；The output end and the IIth of Ith controller
Adder is connected；Speed/torque/rotary angle transmitter is installed in motor end, and speed/torque/rotary angle transmitter output end is logical
It crosses the IIth electronic switch and connect the IIth adder, the output end connection the IIth of the IIth adder jointly with the Ith controller output end
Controller；The output end of IIth controller connects electric machine controller, and electric machine controller is connect with motor；Hydraulic motor connects liquid
Push back road；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal Uf?
Operation in Ith adder, and operation result is inputted into the Ith controller；Speed/torque/the angle sensor is by hydraulic motor
Pivot angle be converted into electric signal, output signal operation in the IIth adder with the Ith controller, the IIth adder operation result
The IIth controller is inputted, the IIth controller of the IIth controller sends to hydraulic motor controller and instructs, and hydraulic motor controller is received
The pivot angle of hydraulic motor is controlled after to control instruction.
Embodiment 3
As shown in fig. 6, a kind of hydraulic-machinery combined driving device, motor is connect with hydraulic motor, and hydraulic motor
It is connect with ball-screw-transmission component, saves transmission box assembly, ball-screw-transmission pair is directly driven by motor, hydraulic motor
Component.
Embodiment 4
As shown in fig. 7, a kind of hydraulic-machinery combined driving device, ball-screw-transmission pair is directly connected to by hydraulic motor
Component is individually directly driven by hydraulic motor.
Fig. 8 show one kind of hydraulic circuit in a kind of hydraulic-machinery combined driving device of the present invention.The hydraulic pressure of Fig. 8 returns
Road includes that closed type hydraulic pump 16, the Ith overflow valve 17, the IIth overflow valve 18, the IIIth overflow valve 19, the Ith check valve the 20, the IIth are unidirectional
Valve 21, filter 22, slippage pump 23 and fuel tank 24.
Two hydraulic fluid ports of the closed type hydraulic pump are separately connected two oil of hydraulic motor in Fig. 1 by pipeline A and pipeline B
Mouthful.IIth overflow valve, the IIIth overflow valve both ends be separately connected pipeline A and pipeline B, slippage pump passes through filter and the Ith overflow
The Ith check valve of connection and the IIth check valve, two check valves are separately connected pipeline A and pipeline B to valve jointly.Another hydraulic fluid port of slippage pump
Connect fuel tank, the Ith overflow valve another valve port connection fuel tank.It is multiple that this hydraulic circuit solves symmetrical pump control asymmetrical cylinder needs
The problem of miscellaneous flow-compensated circuit, is converted to symmetrical pump and controls symmetrical motor control, is suitable for enclosed volume circuit.
Above-described embodiment is only a part of the embodiment of present techniques, instead of all the embodiments.Based on the application
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present application.
Claims (9)
1. a kind of hydraulic-machinery combined driving device, it is characterised in that：Including motor (1), hydraulic motor (2), transmission case group
Part (3), bearing assembly (4), ball-screw-transmission component (5), displacement/velocity sensor (6), speed/torque/rotary angle transmitter
(7), the Ith electronic switch (8), the IIth electronic switch (9), the Ith adder (10), the Ith controller (11), the IIth adder
(12), the IIth controller (13), electric machine controller (14) and hydraulic circuit (15)；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on hydraulic pressure
On the axis of motor, motor is connect with hydraulic motor；Ball-screw-transmission component is mounted on the output end of transmission case, in transmission case
Driven wheel be mounted on ball-screw-transmission component in leading screw axis on, the axis of leading screw is by bearing group in ball-screw-transmission component
Part supports；Ball-screw-transmission element end install displacement/velocity sensor, the detection signal of displacement/velocity sensor with set
Determine signal UfIt sends the Ith adder to, the Ith electronic switch, the Ith addition is installed between displacement/velocity sensor and the Ith adder
The output end of device is connect with the Ith controller；The output end of Ith controller is connected with the IIth adder；It installs motor end
Speed/torque/rotary angle transmitter, speed/torque/rotary angle transmitter output end are defeated by the IIth electronic switch and the Ith controller
The IIth adder of connection, the output end of the IIth adder connect the IIth controller to outlet jointly；The output end of IIth controller connects
Electric machine controller is connect, electric machine controller is connect with motor；Hydraulic motor connects hydraulic circuit；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal UfAdd the Ith
Operation in musical instruments used in a Buddhist or Taoist mass, and by operation result input the Ith controller, the speed/torque/rotary angle transmitter by the rotating speed of motor/
Torque/corner is converted into electric signal, output signal operation in the IIth adder with the Ith controller, and operation result is defeated
Enter the IIth controller, the IIth controller sends control instruction to electric machine controller, and electric machine controller controls after receiving control instruction
Rotating speed, torque and the corner of motor operation.
2. a kind of hydraulic-machinery combined driving device, it is characterised in that：Including hydraulic motor (2), transmission box assembly (3), bearing
Component (4), ball-screw-transmission component (5), displacement/velocity sensor (6), the Ith electronic switch (8), the IIth electronic switch
(9), the Ith adder (10), the Ith controller (11), the IIth adder (12), the IIth controller (13), hydraulic motor controller
(25), angle sensor (26) and hydraulic circuit (15)；
The hydraulic motor is mounted on the side of transmission box assembly by bolt, and the driving wheel being driven in box assembly is mounted on hydraulic pressure
On the axis of motor, ball-screw-transmission component is mounted on the output end of transmission box assembly, and ball-screw-transmission component, which is mounted on, to be passed
The output end of case is moved, the driven wheel in transmission case is mounted in ball-screw-transmission component on the axis of leading screw, ball-screw-transmission
The axis of leading screw is supported by bearing assembly in component；Ball-screw-transmission element end installs displacement/velocity sensor, displacement/speed
Spend the detection signal and setting signal U of sensorfThe Ith adder is sent to, between displacement/velocity sensor and the Ith adder
Ith electronic switch is installed, the output end of the Ith adder is connect with the Ith controller；The output end and the IIth addition of Ith controller
Device is connected；Speed/torque/rotary angle transmitter is installed in motor end, and speed/torque/rotary angle transmitter output end passes through the
II electronic switch connect the IIth adder, the IIth control of output end connection of the IIth adder jointly with the Ith controller output end
Device；The output end of IIth controller connects electric machine controller, and electric machine controller is connect with motor；Hydraulic motor connects hydraulic pressure and returns
Road；
Displacement/the velocity sensor converts the displacement of piston rod, velocity amplitude to electric signal Us, with setting signal UfAdd the Ith
Operation in musical instruments used in a Buddhist or Taoist mass, and operation result is inputted into the Ith controller；The angle sensor converts the pivot angle of hydraulic motor to telecommunications
Number, output signal operation in the IIth adder with the Ith controller, the IIth adder operation result inputs the IIth controller,
The IIth controller of IIth controller sends to hydraulic motor controller and instructs, and hydraulic motor controller controls after receiving control instruction
The pivot angle of hydraulic motor.
3. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The power source is electricity
Motivation or hydraulic motor or hydraulic motor and motor connect or the hydraulic motor is constant displacement hydraulic motor or variable delivery hydraulic
Motor.
4. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The hydraulic motor is
The hydraulic motor of axial piston motor or radial plunger piston motor or other forms.
5. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The variable delivery hydraulic horse
Variable displacement motor is controlled up to for manual variable motor or mechanical variables motor or electrical proportional.
6. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The hydraulic motor is
The complex form of constant pressure motor or permanent displacement motor or invariable power motor or aforementioned motors.
7. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The hydraulic motor
It can be the motor of compressed air-driven.
8. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The motor is to hand over
Flow asynchronous motor or switched reluctance motor or dc motor or servomotor.
9. a kind of hydraulic-machinery combined driving device according to claim 1, it is characterised in that：The hydraulic circuit is
Any one hydraulic circuit of existing control hydraulic motor rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516604.XA CN108757879B (en) | 2018-05-25 | 2018-05-25 | Hydraulic-mechanical composite driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516604.XA CN108757879B (en) | 2018-05-25 | 2018-05-25 | Hydraulic-mechanical composite driving device |
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| CN113431688A (en) * | 2021-06-30 | 2021-09-24 | 湖南双达机电有限责任公司 | Power matching method and device for transmission system, electronic equipment and storage medium |
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