CN104329299B - A kind of road roller vibration energy regeneration reutilization system and method - Google Patents
A kind of road roller vibration energy regeneration reutilization system and method Download PDFInfo
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- CN104329299B CN104329299B CN201410583970.9A CN201410583970A CN104329299B CN 104329299 B CN104329299 B CN 104329299B CN 201410583970 A CN201410583970 A CN 201410583970A CN 104329299 B CN104329299 B CN 104329299B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008929 regeneration Effects 0.000 title claims abstract description 23
- 238000011069 regeneration method Methods 0.000 title claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 159
- 230000010355 oscillation Effects 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000002828 fuel tank Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of road roller vibration energy regeneration reutilization system and method, during failure of oscillation, control the first bi-bit bi-pass on-off valve, two-position four way change valve, the first path of the second bi-bit bi-pass on-off valve formation, make the rotation function of vibrating motor change into pressure by first path and can be stored in high pressure accumulator；Wherein, first path be followed successively by low-pressure reservoir, described check valve, the second bi-bit bi-pass on-off valve, two-position four way change valve T end to A end, described vibrating motor, two-position four way change valve B end to P end, the first bi-bit bi-pass on-off valve, high pressure accumulator；Or, first path be followed successively by low-pressure reservoir, check valve, the second bi-bit bi-pass on-off valve, two-position four way change valve T end to B end, vibrating motor, two-position four way change valve A end to P end, the first bi-bit bi-pass on-off valve, high pressure accumulator；It is also possible to can be used for opening the process of shaking by the pressure stored in high pressure accumulator.
Description
Technical field
The present invention relates to road roller technical field, particularly relating to a kind of road roller vibration energy regeneration recycling is
System and method.
Background technology
In order to improve road surface compaction effect, modern roller development is many with vibrational system, and vibrational system is in pressure
Producing the vibration system with the compacting rate of enhancing road roller in the roller of road machine, vibrational system is advanced at road roller
Or being operated the when of retrogressing, vibrational system in the course of the work, can make to produce on roller drum one
Determine the vibration of frequency and amplitude.Owing to the rotary inertia of vibrational system is relatively big, for starting road roller as far as possible
During keep speed stable, start road roller and be required to according to starting walking-＞ Vibration on Start-up-＞ work-＞
Stop vibration-＞ and stop the flow operations of walking.Road roller by advance become retrogressing or become advance by retrogressing
During, vibrational system needs to quit work, and after commutation completes, is then turned on vibrational system.According to statistics,
Road roller working takes around and opens the failure of oscillation 300 times/day that shakes for one day.
Owing to the rotary inertia of vibrational system is relatively big, Qi Zhenshi, vibrating motor needs to consume bigger power
Promote vibrating mass, for preventing electromotor from not stopping working, need to select the electromotor of larger displacement, normal work with
After, the power consumption of vibrational system only accounts in start-up course about the 40% of peak power, makes electromotor work
In low load region, work efficiency is low.During failure of oscillation, due to the vibrating mass rotating inertia force run up
Existence, vibrating mass drive vibrating motor do pump condition operating, cause huge compression shock, except to being
Outside the reliability of system has a negative impact, and these rotation functions also waste.
Summary of the invention
In view of this, the main purpose of the embodiment of the present invention is to provide a kind of road roller vibration energy regeneration again
Utilize system and method, by reclaiming the rotation function of vibrating mass when road roller failure of oscillation and kinetic energy use will be reclaimed
Yu Qizhen, to realize purpose that is energy-conservation and that improve system reliability.
For achieving the above object, embodiments providing a kind of road roller vibration energy regeneration recycling is
System, described system includes the first subsystem and the second subsystem；
Described first subsystem includes the electromotor being sequentially connected with, shaft coupling and vibrating hydraulic pump and interconnects mutually
The vibrating motor connect and vibrating mass, the first end of described vibrating hydraulic pump connects with the first end of described vibrating motor
Connecing, the second end of described vibrating hydraulic pump is connected with the second end of described vibrating motor；
Described second subsystem include high pressure accumulator, the first bi-bit bi-pass on-off valve, two-position four way change valve,
Second bi-bit bi-pass on-off valve, overflow valve, check valve and low-pressure reservoir, described high pressure accumulator and described the
First end of one bi-bit bi-pass on-off valve connects, the P end of described two-position four way change valve and described one or two
Second end of two-way on-off valve connects, and the T end of described two-position four way change valve leads to described second bi-bit bi-pass
First end of disconnected valve connects, and the A end of described two-position four way change valve is connected with the first end of described vibrating motor,
The B end of described two-position four way change valve is connected with the second end of described vibrating motor, described second bi-bit bi-pass
Second end of on-off valve is connected with the first end of described overflow valve and the first end of described check valve respectively, described
Low-pressure reservoir is connected with the second end of described overflow valve and the second end of described check valve respectively；Described system is also
Including controller；
Described controller, for being switched to zero delivery at the described vibrating hydraulic pump of control by positive discharge capacity or negative discharge capacity
During this road roller failure of oscillation, when the force value of described high pressure accumulator is not more than the first pressure threshold,
Control described first bi-bit bi-pass on-off valve, described two-position four way change valve, described second bi-bit bi-pass break-make
The first path that valve is formed, makes the rotation function of described vibrating motor change into pressure by described first path
Can be stored in described high pressure accumulator；
Wherein, described first path be followed successively by described low-pressure reservoir, described check valve, described two or two two
Logical on-off valve, the T end of described two-position four way change valve, the A end of described two-position four way change valve, described vibration
Motor, the B end of described two-position four way change valve, the P end of described two-position four way change valve, described one or two
Two-way on-off valve, described high pressure accumulator；Or, described first path is followed successively by described low-pressure reservoir, described
Check valve, described second bi-bit bi-pass on-off valve, the T end of described two-position four way change valve, described two four
The logical B end of reversal valve, described vibrating motor, the A end of described two-position four way change valve, described two-position four-way change
To the P end of valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Preferably,
Described controller, is additionally operable to during road roller failure of oscillation, when the force value of described high pressure accumulator is big
When the rotating speed of described first pressure threshold or described vibrating motor is less than First Speed threshold value, control described the
One bi-bit bi-pass on-off valve is closed and controls the commutation of described two-position four way change valve, by the rotation of described vibrating motor
The high pressure that rotational produces is excreted to described low pressure by described second bi-bit bi-pass on-off valve, described overflow valve
Fuel tank.
Preferably,
Described controller, is additionally operable to when the force value of described high pressure accumulator is more than the second pressure threshold, logical
Cross the second path utilize the pressure of described high pressure accumulator for opening the offer energy that shakes, when described vibrating motor reaches
Second speed threshold value or after the first setting time, controls described vibrating hydraulic pump and is just switched to by zero delivery
Discharge capacity or negative discharge capacity, simultaneously close off described first bi-bit bi-pass on-off valve and described second bi-bit bi-pass break-make
Valve, opens and shakes completing road roller；Or, when the force value of described high pressure accumulator is not more than described second pressure
During threshold value, directly control described vibrating hydraulic pump and switched to positive discharge capacity or negative discharge capacity to complete to press road by zero delivery
Machine opens and shakes；
Wherein, described second path be followed successively by described high pressure accumulator, described first bi-bit bi-pass on-off valve,
The P end of described two-position four way change valve, the A end of described two-position four way change valve, described vibrating motor, described
The B end of two-position four way change valve, the T end of described two-position four way change valve, described second bi-bit bi-pass on-off valve,
Described overflow valve, described low-pressure reservoir；Or, described second path is followed successively by described high pressure accumulator, described
First bi-bit bi-pass on-off valve, the P end of described two-position four way change valve, the B of described two-position four way change valve
End, the T end of the A end of described vibrating motor, described two-position four way change valve, described two-position four way change valve,
Described second bi-bit bi-pass on-off valve, described overflow valve, described low-pressure reservoir.
Preferably,
Described controller, is additionally operable to when the force value of described high pressure accumulator is not more than described second pressure threshold
In the case of carry out Qi Zhenshi, control to connect the 3rd path to make described high-voltage energy-storage by described 3rd path
Device absorbs the pressure wave that the startup of described vibrating motor is formed；When described vibrating motor reaches third speed threshold
The force value of value or described high pressure accumulator reaches the 3rd pressure threshold or after the second setting time, closes
Described first bi-bit bi-pass on-off valve；
Wherein, described 3rd path be followed successively by described vibrating motor, the A end of described two-position four way change valve,
The P end of described two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator；Or
Described 3rd path be followed successively by described vibrating motor, the B end of described two-position four way change valve, described two four
Logical the P end of reversal valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Preferably, described second subsystem also includes the pressure of the force value for measuring described high pressure accumulator
Sensor.
The embodiment of the present invention additionally provides a kind of road roller vibration energy regeneration reuse method, and described method should
For a kind of road roller vibration energy regeneration reutilization system, described system includes the first subsystem and the second son
System；
Described first subsystem includes the electromotor being sequentially connected with, shaft coupling and vibrating hydraulic pump and interconnects mutually
The vibrating motor connect and vibrating mass, the first end of described vibrating hydraulic pump connects with the first end of described vibrating motor
Connecing, the second end of described vibrating hydraulic pump is connected with the second end of described vibrating motor；
Described second subsystem include high pressure accumulator, the first bi-bit bi-pass on-off valve, two-position four way change valve,
Second bi-bit bi-pass on-off valve, overflow valve, check valve and low-pressure reservoir, described high pressure accumulator and described the
First end of one bi-bit bi-pass on-off valve connects, the P end of described two-position four way change valve and described one or two
Second end of two-way on-off valve connects, and the T end of described two-position four way change valve leads to described second bi-bit bi-pass
First end of disconnected valve connects, and the A end of described two-position four way change valve is connected with the first end of described vibrating motor,
The B end of described two-position four way change valve is connected with the second end of described vibrating motor, described second bi-bit bi-pass
Second end of on-off valve is connected with the first end of described overflow valve and the first end of described check valve respectively, described
Low-pressure reservoir is connected with the second end of described overflow valve and the second end of described check valve respectively；Described system is also
Including controller；Described method includes:
Described controller control described vibrating hydraulic pump by positive discharge capacity or negative discharge capacity switch to zero delivery this
During road roller failure of oscillation, when the force value of described high pressure accumulator is not more than the first pressure threshold, control
Described first bi-bit bi-pass on-off valve, described two-position four way change valve, described second bi-bit bi-pass on-off valve shape
The first path become, making the rotation function of described vibrating motor change into pressure by described first path can deposit
Storage is in described high pressure accumulator；
Wherein, described first path be followed successively by described low-pressure reservoir, described check valve, described two or two two
Logical on-off valve, the T end of described two-position four way change valve, the A end of described two-position four way change valve, described vibration
Motor, the B end of described two-position four way change valve, the P end of described two-position four way change valve, described one or two
Two-way on-off valve, described high pressure accumulator；Or, described first path is followed successively by described low-pressure reservoir, described
Check valve, described second bi-bit bi-pass on-off valve, the T end of described two-position four way change valve, described two four
The logical B end of reversal valve, described vibrating motor, the A end of described two-position four way change valve, described two-position four-way change
To the P end of valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Preferably, described method also includes:
During road roller failure of oscillation, when the force value of described high pressure accumulator is more than described first pressure threshold
Or the rotating speed of described vibrating motor less than First Speed threshold value time, described controller controls described one or two two
Logical on-off valve is closed and controls the commutation of described two-position four way change valve, is produced by the rotation function of described vibrating motor
Raw high pressure is excreted to described low-pressure reservoir by described second bi-bit bi-pass on-off valve, described overflow valve.
Preferably, described method also includes:
When the force value of described high pressure accumulator is more than the second pressure threshold, described controller passes through the second tunnel
Footpath utilize the pressure of described high pressure accumulator for opening the offer energy that shakes, when described vibrating motor reaches second speed
Threshold value or after the first setting time, controls described vibrating hydraulic pump and is switched to positive discharge capacity or negative by zero delivery
Discharge capacity, simultaneously closes off described first bi-bit bi-pass on-off valve and described second bi-bit bi-pass on-off valve, to complete
Road roller opens and shakes；Or, when the force value of described high pressure accumulator is not more than described second pressure threshold, directly
Connect the described vibrating hydraulic pump of control to be switched to positive discharge capacity or negative discharge capacity by zero delivery and open and shake completing road roller；
Wherein, described second path be followed successively by described high pressure accumulator, described first bi-bit bi-pass on-off valve,
The P end of described two-position four way change valve, the A end of described two-position four way change valve, described vibrating motor, described
The B end of two-position four way change valve, the T end of described two-position four way change valve, described second bi-bit bi-pass on-off valve,
Described overflow valve, described low-pressure reservoir；Or, described second path is followed successively by described high pressure accumulator, described
First bi-bit bi-pass on-off valve, the P end of described two-position four way change valve, the B of described two-position four way change valve
End, the T end of the A end of described vibrating motor, described two-position four way change valve, described two-position four way change valve,
Described second bi-bit bi-pass on-off valve, described overflow valve, described low-pressure reservoir.
Preferably, described method also includes:
Carry out opening shaking in the case of the force value of described high pressure accumulator is not more than described second pressure threshold
Time, described controller controls to connect the 3rd path to make described high pressure accumulator absorb by described 3rd path
The pressure wave that the startup of described vibrating motor is formed；When described vibrating motor reaches third speed threshold value or institute
The force value stating high pressure accumulator reaches the 3rd pressure threshold or after the second setting time, closes described
One bi-bit bi-pass on-off valve；
Wherein, described 3rd path be followed successively by described vibrating motor, the A end of described two-position four way change valve,
The P end of described two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator；Or
Described 3rd path be followed successively by described vibrating motor, the B end of described two-position four way change valve, described two four
Logical the P end of reversal valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Preferably, described second subsystem also includes the pressure of the force value for measuring described high pressure accumulator
Sensor.
The road roller vibration energy regeneration reutilization system of embodiment of the present invention offer and method, stop at road roller
During shaking, make the rotation function of vibrating motor change into pressure and can be stored in high pressure accumulator, it is also possible to
The pressure stored in utilizing high pressure accumulator can open the offer power that shakes for road roller, the most not only achieves energy-conservation
Purpose, alleviate the rotating inertia force produced during failure of oscillation to system also by the mode reclaiming rotation function
The compression shock caused, thus improve the reliability of system unit, extend component life.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present invention, for those of ordinary skill in the art, do not paying wound
On the premise of the property made work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the composition schematic diagram of embodiment of the present invention road roller vibration energy regeneration reutilization system；
Fig. 2 is the schematic flow sheet of embodiment of the present invention road roller vibration energy regeneration reuse method.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that
Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
The vibration energy regeneration reutilization system of embodiment of the present invention offer and method, mainly return when failure of oscillation
Receive the rotation function of vibrational system, and during being applied to open by the rotation function of recovery and shaking, to reach joint
The purpose in system unit life-span and can be improved.
See Fig. 1, for the composition of the road roller vibration energy regeneration reutilization system that the embodiment of the present invention provides
Schematic diagram, this system includes each element following:
Electromotor (1), shaft coupling (2), vibrating hydraulic pump (3), high pressure accumulator (4), hydraulic pressure
Pipeline (5), the first bi-bit bi-pass on-off valve (6), two-position four way change valve (7), vibrating motor (8),
Vibrating mass (9), low-pressure reservoir (10), overflow valve (11), check valve (12), the two or two two
Logical on-off valve (13), vibration control switch (14), controller (15), pressure transducer (16),
Fluid pressure line (17), holding wire (18), repairing overflow valve (19).
Wherein, high pressure accumulator (4), the first bi-bit bi-pass on-off valve (6), the second bi-bit bi-pass break-make
Valve (13), two-position four way change valve (7), overflow valve (11), check valve (12), controller (15),
Pressure transducer (16) is element newly-increased in the embodiment of the present invention, and remaining is the existing liquid of existing system
Pressure element.
Below the embodiment of the present invention is specifically introduced:
In conjunction with Fig. 1, this vibration energy regeneration reutilization system includes the first subsystem and the second subsystem, institute
State the first subsystem and the composition of described second subsystem and each element annexation be as follows:
Described first subsystem includes electromotor (1), shaft coupling (2) and the vibrating hydraulic pump being sequentially connected with
(3) and interconnective vibrating motor (8) and vibrating mass (9), described vibrating hydraulic pump (3)
First end k is connected with the first end a of described vibrating motor (8), the second end of described vibrating hydraulic pump (3)
J is connected with the second end b of described vibrating motor (8).
Described first subsystem is actually a closed circulation system, it may be assumed that vibrating hydraulic pump (3) with shake
Dynamic motor (8) is composed in series the outlet of loop, the entrance of vibrating hydraulic pump (3) and vibrating motor (8)
Connecting, the outlet of vibrating hydraulic pump (3) is connected with the entrance of vibrating motor (8), and major part hydraulic oil exists
Circulate between vibrating hydraulic pump (3) and vibrating motor (8).
Described second subsystem include high pressure accumulator (4), the first bi-bit bi-pass on-off valve (6), two
Four-way change-over valve (7), the second bi-bit bi-pass on-off valve (13), overflow valve (11), check valve (12)
With low-pressure reservoir (10), described high pressure accumulator (4) and described first bi-bit bi-pass on-off valve (6)
First end connects, the P end of described two-position four way change valve (7) and described first bi-bit bi-pass on-off valve (6)
The second end connect, the T end of described two-position four way change valve (7) and described second bi-bit bi-pass on-off valve (13)
The first end connect, the first of the A end of described two-position four way change valve (7) and described vibrating motor (8)
End a connects, and the B end of described two-position four way change valve (7) connects with the second end b of described vibrating motor (8)
Connect, the second end of described second bi-bit bi-pass on-off valve (13) respectively with the first of described overflow valve (11)
End and described check valve (12) first end connect, described low-pressure reservoir (10) respectively with described overflow valve
(11) the second end and the second end of described check valve (12) connect.It addition, described second subsystem is also
Pressure transducer (16) including the force value for measuring described high pressure accumulator (4).
Described second subsystem is actually an open-cycle system, it may be assumed that high pressure liquid force feed flows through vibration horse
Being back to low-pressure reservoir (10) after reaching (8), the hydraulic oil in low-pressure reservoir (10) is through other approach
Or circulation becomes high pressure liquid force feed.
It should be noted that vibrating hydraulic pump (3) has 3 different discharge capacities, be respectively as follows: positive discharge capacity, zero
Discharge capacity and negative discharge capacity.Mainly by the signal of telecommunication, vibrating hydraulic pump (3) is controlled, it may be assumed that work as vibration
When hydraulic pump (3) is in positive discharge capacity, hydraulic oil is according to (3)-＞ k-＞ c-＞ a-＞ (8)-＞ b-＞ d-＞ j-＞
(3) mode circulates；When vibrating hydraulic pump (3) is in negative discharge capacity, hydraulic oil is according to (3)-＞ j-＞ d-＞ b-＞
(8) mode of-＞ a-＞ c-＞ k-＞ (3) circulates.Wherein, the rotation of vibrating motor (8) in the case of positive discharge capacity
To with negative discharge capacity in the case of vibrating motor (8) oppositely oriented.During opening and shaking, vibrating hydraulic pump (3)
It is switched to positive discharge capacity or negative discharge capacity by zero delivery；During failure of oscillation, vibrating hydraulic pump (3) is by just arranging
Amount or negative discharge capacity are switched to zero delivery.
In addition to above-mentioned first subsystem and the second subsystem, this vibration energy regeneration reutilization system also includes control
Device processed (15), controls described first subsystem by controller (15) and described second subsystem realizes shaking
The recovery of energy, particularly as follows:
Described controller (15), for controlling described vibrating hydraulic pump (3) by positive discharge capacity or negative discharge capacity
During switching to this road roller failure of oscillation of zero delivery, when the force value of described high pressure accumulator (4) is little
When the first pressure threshold, control described first bi-bit bi-pass on-off valve (6), the commutation of described two-position four-way
The first path that valve (7), described second bi-bit bi-pass on-off valve (13) are formed, with by described first
Path makes the rotation function of described vibrating motor (8) change into pressure can be stored in described high pressure accumulator (4)
In；Wherein, described first path is followed successively by described low-pressure reservoir (10), described check valve (12), institute
State the second bi-bit bi-pass on-off valve (13), the T end of described two-position four way change valve (7), described two four
The logical A end of reversal valve (7), described vibrating motor (8), the B end of described two-position four way change valve (7),
The P end of described two-position four way change valve (7), described first bi-bit bi-pass on-off valve (6), described high pressure
Accumulator (4)；Or, described first path be followed successively by described low-pressure reservoir (10), described check valve (12),
Described second bi-bit bi-pass on-off valve (13), the T end of described two-position four way change valve (7), described two
The B end of four-way change-over valve (7), described vibrating motor (8), the A of described two-position four way change valve (7)
End, the P end of described two-position four way change valve (7), described first bi-bit bi-pass on-off valve (6), described
High pressure accumulator (4).
Described controller (15), is additionally operable to during road roller failure of oscillation, when described high pressure accumulator (4)
Force value more than the rotating speed of described first pressure threshold or described vibrating motor (8) less than First Speed threshold
During value, control described first bi-bit bi-pass on-off valve (6) and close and control described two-position four way change valve (7)
Commutation, the high pressure produced by the rotation function of described vibrating motor (8) is led to by described second bi-bit bi-pass
Disconnected valve (13), described overflow valve (11) are excreted to described low-pressure reservoir (10).
Visible, by foregoing, the embodiment of the present invention utilizes high pressure accumulator (4) to reclaim pressure
The rotation function produced during the machine failure of oscillation of road, i.e. during failure of oscillation, controller (15) controls vibrating hydraulic pump (3)
Discharge capacity be returned to zero, in the process, by control two-position four-way solenoid directional control valve (7), the one or two
Position two-way on-off valve (6) and the second bi-bit bi-pass on-off valve (13), forms described first path:
10-＞ g-＞ 12-＞ 13-＞ TA-＞ c-＞ a-＞ b-＞ d-＞ BP-＞ 6-＞ e-＞ 4 or 10-＞ g-＞ 12-＞ 13-＞ TB-＞ d-＞
B-＞ a-＞ c-＞ AP-＞ 6-＞ e-＞ 4, is turned the rotation function of vibrating motor (8) by described first path
Chemical conversion pressure can be stored in high pressure accumulator (4).When the pressure of high pressure accumulator (4) is higher than the highest limit
The rotating speed of value X1 (the i.e. first pressure threshold) or vibrating motor (8) is less than a certain rotating speed n1 (i.e. first
Threshold speed), control bi-bit bi-pass on-off valve (6) and close, and control two-position four-way solenoid directional control valve
(7) commutation, the high pressure produced by vibrating motor (8) remaining rotation function is led to by the second bi-bit bi-pass
Disconnected valve (13), overflow valve (11) is excreted to low-pressure reservoir (10).
The rotation function reclaimed during failure of oscillation can also be reused in the process of shaking that opens by the embodiment of the present invention, and can also
Reclaim the pressure wave that the startup of vibrating motor (8) is formed, specific as follows:
Described controller (15), is additionally operable to when the force value of described high pressure accumulator (4) is more than the second pressure
During power threshold value, by the second path utilize the pressure of described high pressure accumulator (4) for opening the offer energy that shakes,
When described vibrating motor (8) reaches second speed threshold value or after the first setting time, shake described in control
Hydrodynamic press pump (3) is switched to positive discharge capacity or negative discharge capacity by zero delivery, simultaneously closes off the first bi-bit bi-pass break-make
Valve and the second bi-bit bi-pass on-off valve, open and shake completing road roller；Or, when described high pressure accumulator (4)
Force value when being not more than described second pressure threshold, directly control described vibrating hydraulic pump (3) by zero-emission
Cut-to-measure shifts to positive discharge capacity or negative discharge capacity and opens and shake completing road roller；Wherein, described second path is followed successively by described
High pressure accumulator (4), described first bi-bit bi-pass on-off valve (6), described two-position four way change valve (7)
P end, the A end of described two-position four way change valve (7), described vibrating motor (8), described two-position four-way
The B end of reversal valve (7), the T end of described two-position four way change valve (7), described second bi-bit bi-pass break-make
Valve (13), described overflow valve (11), described low-pressure reservoir (10)；Or, described second path is successively
For described high pressure accumulator (4), described first bi-bit bi-pass on-off valve (6), the commutation of described two-position four-way
The P end of valve (7), the B end of described two-position four way change valve (7), described vibrating motor (8), described
The A end of two-position four way change valve (7), the T end of described two-position four way change valve (7), described two or two
Two-way on-off valve (13), described overflow valve (11), described low-pressure reservoir (10).
Described controller (15), is additionally operable to be not more than described in the force value of described high pressure accumulator (4)
Carry out Qi Zhenshi in the case of second pressure threshold, control to connect the 3rd path to be made by described 3rd path
Described high pressure accumulator (4) absorbs the pressure wave that the startup of described vibrating motor (8) is formed；When described
Vibrating motor (8) reaches the force value of third speed threshold value or described high pressure accumulator (4) and reaches the 3rd pressure
Power threshold value or after the second setting time, closes described first bi-bit bi-pass on-off valve (6)；Wherein,
Described 3rd path be followed successively by described vibrating motor (8), the A end of described two-position four way change valve (7),
The P end of described two-position four way change valve (7), described first bi-bit bi-pass on-off valve (6), described high pressure
Accumulator (4)；Or described 3rd path is followed successively by described vibrating motor (8), the commutation of described two-position four-way
The B end of valve (7), the P end of described two-position four way change valve (7), described first bi-bit bi-pass on-off valve (6),
Described high pressure accumulator (4).
Visible, by foregoing, native system not only can be by high pressure accumulator (4) when failure of oscillation
The rotation function reclaimed is used for opening the process of shaking, moreover it is possible to utilize high pressure accumulator (4) to absorb vibrating motor (8)
Start the pressure wave caused.That is, at Qi Zhenshi, controller (15) first passes through reading vibration control switch
(14) state understands vibration amplitude that driver needs, frequency of vibration and vibration start demand and
The force value of high pressure accumulator (4), according to the current pressure of high pressure accumulator (4) and pre-set
One pressure threshold X2 (the i.e. second pressure threshold) is controlled.Specifically, starting Qi Zhenshi, working as height
When the initial pressure of pressure accumulator (4) is more than X2, start-up course is first with high pressure accumulator (4)
Pressure carries out opening shaking, hydraulic circuit is: 4-＞ e-＞ 6-＞ PA-＞ c-＞ a-＞ b-＞ d-＞ BT-＞ 13-＞ 11-＞ 10
Or 4-＞ e-＞ 6-＞ PB-＞ d-＞ b-＞ a-＞ c-＞ AT-＞ 13-＞ 11-＞ 10, this hydraulic circuit is the second path
Then, certain rotating speed n2 (i.e. second speed threshold value) is reached or through a timing when vibrating motor (8)
Between after t1 (i.e. first set time), controller (15) controls vibrating hydraulic pump (3) again by zero delivery
Switch to positive discharge capacity or negative discharge capacity, simultaneously close off the first bi-bit bi-pass on-off valve (6) and the two or two two
Logical on-off valve (13), opens the process of shaking and terminates.Or, at Qi Zhenshi, when at the beginning of high pressure accumulator (4)
When beginning pressure is not more than X2, start-up course is that controller (15) directly controls vibrating hydraulic pump (3) by zero
Discharge capacity switches to positive discharge capacity or negative discharge capacity, be also turned on the 3rd path c-＞ A-＞ P-＞ e or
D-＞ B-＞ P-＞ e, absorbs vibrating motor (8) startup by high pressure accumulator (4) and causes pressure wave, when
Vibrating motor (8) reaches certain rotating speed n3 (i.e. third speed threshold value) or e point pressure stably reaches a certain
Numerical value X2 (the i.e. the 3rd pressure threshold) or after certain time t2, closes the first bi-bit bi-pass on-off valve
(6), open the process of shaking to terminate.
The road roller vibration energy regeneration reutilization system that the embodiment of the present invention provides, has following useful effect
Really:
1, the second subsystem newly increased engages with original system, not to enclosed in original system at c point and d point
The mainstream channel in loop is modified so that the resistance of closed circuit is little, work efficiency is high.
2, the second subsystem is relatively independent with original system, its oil-feed having oneself and oil return circuit, it is to avoid
Original system feed circuit cannot meet the big demand of hydraulic flow during energy regenerating and release.
3, the second subsystem is relatively independent with original system, and the energy of high pressure accumulator can fully discharge and use
During Yu Qizhen, during failure of oscillation, high pressure accumulator can reclaim more rotation function.
4, system is changed little, and the vibrating hydraulic pump of original system, vibrating motor and associative operation switch all continue
Continuation of insurance is stayed, and enhances the versatility of parts.
5, Qi Zhenshi, it is possible to use in high pressure accumulator, the energy of storage promotes vibrating motor to rotate,
Connect the hydraulic energy of vibrating hydraulic pump output again, on the one hand save energy, achieve fuel-economizing, the opposing party
Face reduces the compression shock opening moment of shaking, and improves system lifetim.
6, during failure of oscillation, it is possible to reclaim the rotation function of the vibrating mass of high speed rotating during failure of oscillation, and can be by
Described rotation function stores for opening the process of shaking.
Visible, that the embodiment of the present invention provides road roller vibration energy regeneration reutilization system, stops at road roller
During shaking, make the rotation function of vibrating motor change into pressure and can be stored in high pressure accumulator, it is also possible to
The pressure stored in utilizing high pressure accumulator can open the offer power that shakes for road roller, the most not only achieves energy-conservation
Purpose, alleviate the rotating inertia force produced during failure of oscillation to system also by the mode reclaiming rotation function
The compression shock caused, thus improve the reliability of system unit, extend component life.
See Fig. 2, for the flow process of the road roller vibration energy regeneration reuse method that the embodiment of the present invention provides
Schematic diagram, described method is applied to a kind of road roller vibration energy regeneration reutilization system, and described system includes
First subsystem and the second subsystem；
Described first subsystem includes the electromotor being sequentially connected with, shaft coupling and vibrating hydraulic pump and interconnects mutually
The vibrating motor connect and vibrating mass, the first end of described vibrating hydraulic pump connects with the first end of described vibrating motor
Connecing, the second end of described vibrating hydraulic pump is connected with the second end of described vibrating motor；
Described second subsystem include high pressure accumulator, the first bi-bit bi-pass on-off valve, two-position four way change valve,
Second bi-bit bi-pass on-off valve, overflow valve, check valve and low-pressure reservoir, described high pressure accumulator and described the
First end of one bi-bit bi-pass on-off valve connects, the P end of described two-position four way change valve and described one or two
Second end of two-way on-off valve connects, and the T end of described two-position four way change valve leads to described second bi-bit bi-pass
First end of disconnected valve connects, and the A end of described two-position four way change valve is connected with the first end of described vibrating motor,
The B end of described two-position four way change valve is connected with the second end of described vibrating motor, described second bi-bit bi-pass
Second end of on-off valve is connected with the first end of described overflow valve and the first end of described check valve respectively, described
Low-pressure reservoir is connected with the second end of described overflow valve and the second end of described check valve respectively；Described system is also
Including controller；Described method includes:
Step 201: described controller is switched to zero at the described vibrating hydraulic pump of control by positive discharge capacity or negative discharge capacity
During this road roller failure of oscillation of discharge capacity, when the force value of described high pressure accumulator is not more than the first pressure threshold
Time, control described first bi-bit bi-pass on-off valve, described two-position four way change valve, described second bi-bit bi-pass
The first path that on-off valve is formed, makes the rotation function of described vibrating motor change into by described first path
Pressure can be stored in described high pressure accumulator；
Wherein, described first path be followed successively by described low-pressure reservoir, described check valve, described two or two two
Logical on-off valve, the T end of described two-position four way change valve, the A end of described two-position four way change valve, described vibration
Motor, the B end of described two-position four way change valve, the P end of described two-position four way change valve, described one or two
Two-way on-off valve, described high pressure accumulator；Or, described first path is followed successively by described low-pressure reservoir, described
Check valve, described second bi-bit bi-pass on-off valve, the T end of described two-position four way change valve, described two four
The logical B end of reversal valve, described vibrating motor, the A end of described two-position four way change valve, described two-position four-way change
To the P end of valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Described method also includes:
During road roller failure of oscillation, when the force value of described high pressure accumulator is more than described first pressure threshold
Or the rotating speed of described vibrating motor less than First Speed threshold value time, described controller controls described one or two two
Logical on-off valve is closed and controls the commutation of described two-position four way change valve, is produced by the rotation function of described vibrating motor
Raw high pressure is excreted to described low-pressure reservoir by described second bi-bit bi-pass on-off valve, described overflow valve.
Described method also includes:
When the force value of described high pressure accumulator is more than the second pressure threshold, described controller passes through the second tunnel
Footpath utilize the pressure of described high pressure accumulator for opening the offer energy that shakes, when described vibrating motor reaches second speed
Threshold value or after the first setting time, controls described vibrating hydraulic pump and is switched to positive discharge capacity or negative by zero delivery
Discharge capacity, simultaneously closes off described first bi-bit bi-pass on-off valve and described second bi-bit bi-pass on-off valve, to complete
Road roller opens and shakes；Or, when the force value of described high pressure accumulator is not more than described second pressure threshold, directly
Connect the described vibrating hydraulic pump of control to be switched to positive discharge capacity or negative discharge capacity by zero delivery and open and shake completing road roller；
Wherein, described second path be followed successively by described high pressure accumulator, described first bi-bit bi-pass on-off valve,
The P end of described two-position four way change valve, the A end of described two-position four way change valve, described vibrating motor, described
The B end of two-position four way change valve, the T end of described two-position four way change valve, described second bi-bit bi-pass on-off valve,
Described overflow valve, described low-pressure reservoir；Or, described second path is followed successively by described high pressure accumulator, described
First bi-bit bi-pass on-off valve, the P end of described two-position four way change valve, the B of described two-position four way change valve
End, the T end of the A end of described vibrating motor, described two-position four way change valve, described two-position four way change valve,
Described second bi-bit bi-pass on-off valve, described overflow valve, described low-pressure reservoir.
Described method also includes:
Carry out opening shaking in the case of the force value of described high pressure accumulator is not more than described second pressure threshold
Time, described controller controls to connect the 3rd path to make described high pressure accumulator absorb by described 3rd path
The pressure wave that the startup of described vibrating motor is formed；When described vibrating motor reaches third speed threshold value or institute
The force value stating high pressure accumulator reaches the 3rd pressure threshold or after the second setting time, closes described
One bi-bit bi-pass on-off valve；
Wherein, described 3rd path be followed successively by described vibrating motor, the A end of described two-position four way change valve,
The P end of described two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator；Or
Described 3rd path be followed successively by described vibrating motor, the B end of described two-position four way change valve, described two four
Logical the P end of reversal valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
It addition, the pressure that described second subsystem also includes the force value for measuring described high pressure accumulator passes
Sensor.
Visible, that the embodiment of the present invention provides road roller vibration energy regeneration reuse method, stops at road roller
During shaking, make the rotation function of vibrating motor change into pressure and can be stored in high pressure accumulator, it is also possible to
The pressure stored in utilizing high pressure accumulator can open the offer power that shakes for road roller, the most not only achieves energy-conservation
Purpose, alleviate the rotating inertia force produced during failure of oscillation to system also by the mode reclaiming rotation function
The compression shock caused, thus improve the reliability of system unit, extend component life.
It should be noted that for method disclosed in embodiment, disclosed in itself and embodiment be
Uniting corresponding, so describe is fairly simple, relevant part sees components of system as directed and illustrates.
Also, it should be noted in this article, the relational terms of such as first and second or the like is used merely to
One entity or operation are separated with another entity or operating space, and not necessarily requires or imply this
Relation or the order of any this reality is there is between a little entities or operation.And, term " includes ",
" comprise " or its any other variant is intended to comprising of nonexcludability, so that include a series of
The process of key element, method, article or equipment not only include those key elements, but also include the most clearly arranging
Other key elements gone out, or also include the key element intrinsic for this process, method, article or equipment.
In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this
Invention.Multiple amendment to these embodiments will be apparent for those skilled in the art
, generic principles defined herein can without departing from the spirit or scope of the present invention,
Other embodiments realizes.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and
It is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a road roller vibration energy regeneration reutilization system, it is characterised in that described system includes
One subsystem and the second subsystem；
Electromotor that described first subsystem includes being sequentially connected with, shaft coupling and vibrating hydraulic pump and mutually
The vibrating motor connected and vibrating mass, the first end of described vibrating hydraulic pump and the first of described vibrating motor
End connects, and the second end of described vibrating hydraulic pump is connected with the second end of described vibrating motor；
Described second subsystem includes that high pressure accumulator, the first bi-bit bi-pass on-off valve, two-position four-way commutate
Valve, the second bi-bit bi-pass on-off valve, overflow valve, check valve and low-pressure reservoir, described high pressure accumulator with
First end of described first bi-bit bi-pass on-off valve connects, the P end of described two-position four way change valve and described the
Second end of one bi-bit bi-pass on-off valve connects, the T end of described two-position four way change valve and described two or two
First end of two-way on-off valve connects, the A end of described two-position four way change valve and the first of described vibrating motor
End connects, and the B end of described two-position four way change valve is connected with the second end of described vibrating motor, and described second
Second end of bi-bit bi-pass on-off valve respectively with the first end and first end of described check valve of described overflow valve
Connecting, described low-pressure reservoir is connected with the second end of described overflow valve and the second end of described check valve respectively；
Described system also includes controller；
Described controller, for being switched to zero-emission at the described vibrating hydraulic pump of control by positive discharge capacity or negative discharge capacity
During measuring this road roller failure of oscillation, when the force value of described high pressure accumulator is not more than the first pressure threshold
Time, control described first bi-bit bi-pass on-off valve, described two-position four way change valve, described two or two two
The first path that logical on-off valve is formed, makes the rotation function of described vibrating motor turn by described first path
Chemical conversion pressure can be stored in described high pressure accumulator；
Wherein, described first path be followed successively by described low-pressure reservoir, described check valve, described two or two
Two-way on-off valve, the T end of described two-position four way change valve, the A end of described two-position four way change valve, described
Vibrating motor, the B end of described two-position four way change valve, the P end of described two-position four way change valve, described
One bi-bit bi-pass on-off valve, described high pressure accumulator；Or, described first path is followed successively by described low pressure oil
Case, described check valve, described second bi-bit bi-pass on-off valve, the T end of described two-position four way change valve, institute
State the B end of two-position four way change valve, described vibrating motor, the A end of described two-position four way change valve, described
The P end of two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
System the most according to claim 1, it is characterised in that
Described controller, is additionally operable to during road roller failure of oscillation, when the force value of described high pressure accumulator
When being less than First Speed threshold value more than the rotating speed of described first pressure threshold or described vibrating motor, control institute
State the first bi-bit bi-pass on-off valve close and control the commutation of described two-position four way change valve, by described vibration horse
The high pressure that the rotation function reached produces is excreted to by described second bi-bit bi-pass on-off valve, described overflow valve
Described low-pressure reservoir.
System the most according to claim 1, it is characterised in that
Described controller, is additionally operable to when the force value of described high pressure accumulator is more than the second pressure threshold,
By the second path utilize the pressure of described high pressure accumulator for opening the offer energy that shakes, when described vibrating motor
Reach second speed threshold value or after the first setting time, control described vibrating hydraulic pump by zero-emission cut-to-measure
Shift to positive discharge capacity or negative discharge capacity, simultaneously close off described first bi-bit bi-pass on-off valve and described two or two two
Logical on-off valve, opens and shakes completing road roller；Or, when the force value of described high pressure accumulator is not more than described
During the second pressure threshold, directly control described vibrating hydraulic pump and switched to positive discharge capacity or negative discharge capacity by zero delivery
Open and shake completing road roller；
Wherein, described second path be followed successively by described high pressure accumulator, described first bi-bit bi-pass on-off valve,
The P end of described two-position four way change valve, the A end of described two-position four way change valve, described vibrating motor, institute
State the B end of two-position four way change valve, the T end of described two-position four way change valve, described second bi-bit bi-pass lead to
Disconnected valve, described overflow valve, described low-pressure reservoir；Or, described second path is followed successively by described high-voltage energy-storage
Device, described first bi-bit bi-pass on-off valve, the P end of described two-position four way change valve, described two-position four-way change
To the B end of valve, described vibrating motor, the A end of described two-position four way change valve, the commutation of described two-position four-way
The T end of valve, described second bi-bit bi-pass on-off valve, described overflow valve, described low-pressure reservoir.
System the most according to claim 3, it is characterised in that
Described controller, is additionally operable to when the force value of described high pressure accumulator is not more than described second pressure threshold
Carry out Qi Zhenshi in the case of value, control to connect the 3rd path to make described high pressure by described 3rd path
Accumulator absorbs the pressure wave that the startup of described vibrating motor is formed；When described vibrating motor reaches the 3rd
The force value of threshold speed or described high pressure accumulator reaches the 3rd pressure threshold or through the second setting time
After, close described first bi-bit bi-pass on-off valve；
Wherein, described 3rd path be followed successively by described vibrating motor, the A end of described two-position four way change valve,
The P end of described two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator；Or
Described 3rd path be followed successively by described vibrating motor, the B end of described two-position four way change valve, described two four
Logical the P end of reversal valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
5. according to the system described in any one of Claims 1-4, it is characterised in that described second subsystem
Also include the pressure transducer of force value for measuring described high pressure accumulator.
6. a road roller vibration energy regeneration reuse method, it is characterised in that described method is applied to
A kind of road roller vibration energy regeneration reutilization system, described system includes the first subsystem and the second subsystem
System；
Electromotor that described first subsystem includes being sequentially connected with, shaft coupling and vibrating hydraulic pump and mutually
The vibrating motor connected and vibrating mass, the first end of described vibrating hydraulic pump and the first of described vibrating motor
End connects, and the second end of described vibrating hydraulic pump is connected with the second end of described vibrating motor；
Described second subsystem includes that high pressure accumulator, the first bi-bit bi-pass on-off valve, two-position four-way commutate
Valve, the second bi-bit bi-pass on-off valve, overflow valve, check valve and low-pressure reservoir, described high pressure accumulator with
First end of described first bi-bit bi-pass on-off valve connects, the P end of described two-position four way change valve and described the
Second end of one bi-bit bi-pass on-off valve connects, the T end of described two-position four way change valve and described two or two
First end of two-way on-off valve connects, the A end of described two-position four way change valve and the first of described vibrating motor
End connects, and the B end of described two-position four way change valve is connected with the second end of described vibrating motor, and described second
Second end of bi-bit bi-pass on-off valve respectively with the first end and first end of described check valve of described overflow valve
Connecting, described low-pressure reservoir is connected with the second end of described overflow valve and the second end of described check valve respectively；
Described system also includes controller；Described method includes:
Described controller control described vibrating hydraulic pump by positive discharge capacity or negative discharge capacity switch to zero delivery this
During road roller failure of oscillation, when the force value of described high pressure accumulator is not more than the first pressure threshold, control
Make described first bi-bit bi-pass on-off valve, described two-position four way change valve, described second bi-bit bi-pass break-make
The first path that valve is formed, makes the rotation function of described vibrating motor change into pressure by described first path
Power can be stored in described high pressure accumulator；
Wherein, described first path be followed successively by described low-pressure reservoir, described check valve, described two or two
Two-way on-off valve, the T end of described two-position four way change valve, the A end of described two-position four way change valve, described
Vibrating motor, the B end of described two-position four way change valve, the P end of described two-position four way change valve, described
One bi-bit bi-pass on-off valve, described high pressure accumulator；Or, described first path is followed successively by described low pressure oil
Case, described check valve, described second bi-bit bi-pass on-off valve, the T end of described two-position four way change valve, institute
State the B end of two-position four way change valve, described vibrating motor, the A end of described two-position four way change valve, described
The P end of two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
Method the most according to claim 6, it is characterised in that described method also includes:
During road roller failure of oscillation, when the force value of described high pressure accumulator is more than described first pressure threshold
When the rotating speed of value or described vibrating motor is less than First Speed threshold value, described controller controls the described 1st
Position two-way on-off valve is closed and controls the commutation of described two-position four way change valve, by the rotation of described vibrating motor
The high pressure that kinetic energy produces is excreted to described low pressure by described second bi-bit bi-pass on-off valve, described overflow valve
Fuel tank.
Method the most according to claim 6, it is characterised in that described method also includes:
When the force value of described high pressure accumulator is more than the second pressure threshold, described controller passes through second
Path utilize the pressure of described high pressure accumulator for opening the offer energy that shakes, when described vibrating motor reaches second
Threshold speed or after the first setting time, controls described vibrating hydraulic pump and is switched to just arrange by zero delivery
Amount or negative discharge capacity, simultaneously close off described first bi-bit bi-pass on-off valve and described second bi-bit bi-pass on-off valve,
Open and shake completing road roller；Or, when the force value of described high pressure accumulator is not more than described second pressure threshold
During value, directly control described vibrating hydraulic pump and switched to positive discharge capacity or negative discharge capacity to complete to press road by zero delivery
Machine opens and shakes；
Wherein, described second path be followed successively by described high pressure accumulator, described first bi-bit bi-pass on-off valve,
The P end of described two-position four way change valve, the A end of described two-position four way change valve, described vibrating motor, institute
State the B end of two-position four way change valve, the T end of described two-position four way change valve, described second bi-bit bi-pass lead to
Disconnected valve, described overflow valve, described low-pressure reservoir；Or, described second path is followed successively by described high-voltage energy-storage
Device, described first bi-bit bi-pass on-off valve, the P end of described two-position four way change valve, described two-position four-way change
To the B end of valve, described vibrating motor, the A end of described two-position four way change valve, the commutation of described two-position four-way
The T end of valve, described second bi-bit bi-pass on-off valve, described overflow valve, described low-pressure reservoir.
Method the most according to claim 8, it is characterised in that described method also includes:
Carry out opening shaking in the case of the force value of described high pressure accumulator is not more than described second pressure threshold
Time, described controller controls to connect the 3rd path to make described high pressure accumulator inhale by described 3rd path
Receive the pressure wave that the startup of described vibrating motor is formed；When described vibrating motor reaches third speed threshold value
Or the force value of described high pressure accumulator reaches the 3rd pressure threshold or after the second setting time, close
Described first bi-bit bi-pass on-off valve；
Wherein, described 3rd path be followed successively by described vibrating motor, the A end of described two-position four way change valve,
The P end of described two-position four way change valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator；Or
Described 3rd path be followed successively by described vibrating motor, the B end of described two-position four way change valve, described two four
Logical the P end of reversal valve, described first bi-bit bi-pass on-off valve, described high pressure accumulator.
10. according to the method described in any one of claim 6 to 9, it is characterised in that described second subsystem
System also includes the pressure transducer of the force value for measuring described high pressure accumulator.
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| US10273651B2 (en) | 2016-08-26 | 2019-04-30 | Caterpillar Inc. | Reversible flow path construction |
| JP6993899B2 (en) * | 2018-02-26 | 2022-01-14 | 川崎重工業株式会社 | Hydraulic system of construction machinery |
| US10584449B2 (en) | 2018-07-03 | 2020-03-10 | Caterpillar Inc. | Start assist for a vibratory system of a compactor |
| CN111594495B (en) * | 2020-05-29 | 2022-05-31 | 徐州徐工挖掘机械有限公司 | Pile driver vibration operation control system and pile driver |
| CN113280010B (en) * | 2021-05-11 | 2022-10-21 | 中冶宝钢技术服务有限公司 | Static pressure driving system and method for improving acceleration and deceleration performance of vehicle |
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| US6971463B2 (en) * | 2002-12-23 | 2005-12-06 | Cnh America Llc | Energy recovery system for work vehicle including hydraulic drive circuit and method of recovering energy |
| DE102007046696A1 (en) * | 2007-09-28 | 2009-04-09 | Liebherr-Werk Nenzing Gmbh | Hydraulic drive system |
| DE102010006993A1 (en) * | 2010-02-05 | 2011-08-11 | Robert Bosch GmbH, 70469 | vibration drive |
| US8726645B2 (en) * | 2010-12-15 | 2014-05-20 | Caterpillar Inc. | Hydraulic control system having energy recovery |
| CN102616125B (en) * | 2012-04-06 | 2015-11-18 | 潍柴动力股份有限公司 | A kind of system and method that hydraulic energy-accumulation hybrid power is provided |
| US20140060018A1 (en) * | 2012-08-30 | 2014-03-06 | Pengfei Ma | Hydraulic control system |
| CN204239353U (en) * | 2014-10-27 | 2015-04-01 | 潍柴动力股份有限公司 | A kind of road roller vibration energy regeneration reutilization system |
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Address after: No. 200 Yongchun Road, Tanli Community, Xincheng Street, Weifang High tech Zone, Weifang City, Shandong Province, 261000 Patentee after: Weichai Hydraulic Transmission Co.,Ltd. Address before: No. 169 Fushou East Street, High tech Industrial Development Zone, Weifang City, Shandong Province, 261061 Patentee before: LINDE HYDRAULICS (CHINA) Co.,Ltd. |
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