CN106351887A - Hydraulic driving device - Google Patents
Hydraulic driving device Download PDFInfo
- Publication number
- CN106351887A CN106351887A CN201610878007.2A CN201610878007A CN106351887A CN 106351887 A CN106351887 A CN 106351887A CN 201610878007 A CN201610878007 A CN 201610878007A CN 106351887 A CN106351887 A CN 106351887A
- Authority
- CN
- China
- Prior art keywords
- oil
- hydraulic
- valve
- return
- fluid port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/007—Overload
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic driving device which is quick in reaction speed and works stably and reliably. The hydraulic driving device comprises a hydraulic cylinder, a hydraulic oil tank, a hydraulic oil pumping mechanism and an oil return reversing valve. The hydraulic cylinder is provided with a rodless oil port and a rod oil port, the rodless oil port and the rod oil port are connected with corresponding oil outlets of oil inlet and return reversing valves respectively through hydraulic cylinder oil port pipelines and balance valves arranged on the hydraulic cylinder oil port pipelines in a series mode respectively, oil inlets of the oil inlet and return reversing valves are connected with an oil outlet of the hydraulic oil pumping mechanism, oil return ports of the oil inlet and return reversing valves are connected with the hydraulic oil tank through an oil return pipeline, and the oil outlet of the hydraulic oil pumping mechanism is connected to the oil return pipeline through an overflow valve. The rodless oil port is in parallel connection with a bypass reversing valve and an energy accumulator safety valve through a pressure stabilizing pipeline, the energy accumulator safety valve is connected with an energy accumulator, and corresponding oil ports of the energy accumulator safety valve and the bypass reversing valve are connected to the oil return pipeline. The hydraulic driving device has very wide applications.
Description
Technical field
The present invention relates to a kind of fluid pressure drive device, more particularly, to a kind of luffing mechanism for bucket unloader
Fluid pressure drive device.
Background technology
Insider both knows about, and the luffing mechanism in bucket unloader is the critical component of bucket unloader, and described bows
Face upward mechanism to include: arm support and for driving arm support to face upward the fluid pressure drive device of nutation.Its operation principle is: is driven by hydraulic pressure
Dynamic device is faced upward to drive to bend down on arm support, matches with slew gear, running mechanism, chapelet and realizes digging of cabin material
Pick.At present, above-mentioned fluid pressure drive device is relatively simple for structure, is primarily present following shortcoming:
1st, hydraulic cylinder light pressure change in the course of the work can not be absorbed well so that the work of hydraulic cylinder is unstable
Fixed (piston rod moves about)；
2nd, the response time of hydraulic cylinder is longer, that is, when piston rod stretches out it is impossible to load (offer hydraulic oil) rapidly, prominent
When sending out overload phenomenon, nor rapid unloading (release hydraulic oil).
So allow for during unloading, because being caused bucket unloader to be waved by stormy waves or SEA LEVEL VARIATION and fluctuating,
Cause the damage of described feeding device and associated components.
Content of the invention
A technical problem to be solved by this invention is: provides a kind of response speed hydraulic pressure fast, stable and reliable in work
Driving means.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of fluid pressure drive device, comprising: hydraulic pressure
Cylinder, hydraulic oil container, hydraulic oil pumping mechanism and the oil inlet and oil return reversal valve for switching hydraulic oil flow direction in hydraulic cylinder, described
The oil-in of hydraulic oil pumping mechanism is connected to hydraulic oil container, described hydraulic cylinder is provided with communicate with rod chamber have bar hydraulic fluid port
And the no bar hydraulic fluid port communicating with rodless cavity, described have bar hydraulic fluid port and no bar hydraulic fluid port pass through respectively hydraulic cylinder hydraulic fluid port pipeline and
The balanced valve that string is located on corresponding hydraulic cylinder hydraulic fluid port pipeline respectively is connected to the corresponding oil-out of described oil inlet and oil return reversal valve, enters back
The oil-in of oily reversal valve is connected with the oil-out of described hydraulic oil pumping mechanism, and the oil return opening of oil inlet and oil return reversal valve passes through back
Oil pipe line is connected to hydraulic oil container, and the oil-out of described hydraulic oil pumping mechanism is connected to return line also by overflow valve；Described
Voltage stabilizing pipeline is no additionally provided with bar hydraulic fluid port and by this voltage stabilizing pipeline and is connected to bypass reversal valve and accumulator relief valve, institute
Pressure transmitter is provided with the voltage stabilizing pipeline stated, described accumulator relief valve is connected with accumulator, bypass reversal valve and
The corresponding hydraulic fluid port of accumulator relief valve is connected to return line.
As a kind of preferred version, in a kind of described fluid pressure drive device, described hydraulic oil pumping mechanism includes:
Hydraulic pump and the pumping motor for driving hydraulic pump, on the oil-out as the hydraulic pump of the oil-out of hydraulic oil pumping mechanism
It is additionally provided with out oil strainer, on described reflux pipe, string is provided with return filter.
As a kind of preferred version, in a kind of described fluid pressure drive device, described go out oil strainer oil-out with
It is additionally provided with oil gauge on the connecting line of oil-in of described oil inlet and oil return reversal valve.
As a kind of preferred version, in a kind of described fluid pressure drive device, described hydraulic cylinder hydraulic fluid port pipeline is entering
It is provided with hydraulic cylinder oil passage control valve between oil return reversal valve and corresponding balanced valve.
As a kind of preferred version, in a kind of described fluid pressure drive device, described hydraulic cylinder hydraulic fluid port pipeline is in balance
Valve with corresponding have bar hydraulic fluid port or no on bar hydraulic fluid port between be provided with hydraulic cylinder hydraulic fluid port control valve, on described voltage stabilizing pipeline also
It is provided with voltage stabilizing pipe-line control valve.
As a kind of preferred version, in a kind of described fluid pressure drive device, it is additionally provided with described hydraulic oil container
Dividing plate, forms out grease chamber and oil revolute chamber, and what the oil-in of hydraulic oil pumping mechanism was connected to hydraulic oil container goes out grease chamber.
As a kind of preferred version, in a kind of described fluid pressure drive device, going out in grease chamber of described hydraulic oil container sets
It is equipped with level control relay, oil temperature sensor and heater, in the oil revolute chamber of described hydraulic oil container, be provided with air filter.
As a kind of preferred version, in a kind of described fluid pressure drive device, described hydraulic oil container go out grease chamber and return
It is also respectively provided with Magnet in grease chamber.
As a kind of preferred version, in a kind of described fluid pressure drive device, the going out in grease chamber of described hydraulic oil container
It is additionally provided with liquid level oil thermometer.
The invention has the beneficial effects as follows: the present invention pass through on the no bar hydraulic fluid port of described hydraulic cylinder setting voltage stabilizing pipeline and
By this voltage stabilizing pipeline and be connected to bypass reversal valve and accumulator relief valve, accumulator relief valve is connected with accumulator, this
Sample allows for when piston rod stretches out, and accumulator can to the rodless cavity of hydraulic cylinder, (right side have together with hydraulic oil pumping mechanism
The cavity of piston rod) middle offer hydraulic oil, in burst overload phenomenon, can pass through accumulator relief valve and oil inlet and oil return reversal valve
Discharge hydraulic oil in reflux pipe together, thus substantially reducing the response time of hydraulic cylinder；And, accumulator and accumulator
Relief valve can also absorb hydraulic cylinder light pressure in the course of the work well to be changed so that the work of hydraulic cylinder is more steady
Fixed.In addition, in the hypertonia of hydraulic system, simultaneously accumulator relief valve nor rapid unloading in emergency circumstances,
Hydraulic cylinder directly can be unloaded to hydraulic oil container by bypassing reversal valve, ensures that the safety of described fluid pressure drive device.
Brief description
Fig. 1 is the theory structure schematic diagram of fluid pressure drive device of the present invention.
Reference in Fig. 1 is: 1, accumulator, 2, accumulator relief valve, 3, bypass reversal valve, 4, pressure transmitter,
5th, hydraulic cylinder, the 6, first balanced valve, 8, oil gauge, 9, oil inlet and oil return reversal valve, 10, go out oil strainer, 11, pumping motor, 12, liquid
Force feed case, 13, liquid level oil thermometer, 14, fuel outlet valve, the 15, first Magnet, 16, hydraulic pump, 17, level control relay, 18, electricity
Heater, 19, oil temperature sensor, 20, air filter, the 21, second Magnet, 22, return filter, 23, wiring terminal box,
24th, overflow valve, 25, dividing plate, the 26, second balanced valve, 27, first hydraulic cylinder oil passage control valve, 28, second hydraulic cylinder oil circuit controls
Valve 29, first hydraulic cylinder hydraulic fluid port control valve, 30, second hydraulic cylinder hydraulic fluid port control valve, 31, voltage stabilizing pipe-line control valve.
Specific embodiment
Structure Figure below, describe in detail of the present invention a kind of for driving luffing mechanism in bucket unloader
The specific embodiments of fluid pressure drive device.
As shown in figure 1, a kind of fluid pressure drive device of the present invention, comprising: hydraulic cylinder 5, hydraulic oil container 12, Yi Jiyou
Hydraulic pump 16 and for driving the hydraulic oil pumping mechanism that the pumping motor 11 of hydraulic pump 16 constitutes and being used for switching in hydraulic cylinder 5
The oil inlet and oil return reversal valve 9 of hydraulic oil flow direction, is provided with dividing plate 25 in described hydraulic oil container 12, hydraulic oil container 12 is separated into out
Grease chamber (left room) and oil revolute chamber (right ventricle), hydraulic oil container 12 go out to be provided with liquid level oil thermometer 13, Liquid level relay in grease chamber
Device 17, electric heater 18 and oil temperature sensor 19 and the first Magnet 15 being located at out grease chamber bottom, go out and open on the diapire of grease chamber
It is provided with drain oil, on the pipeline of draining the oil of drain oil, string is provided with fuel outlet valve 14, is provided with air filter 20 in described oil revolute chamber
With the second Magnet 21 positioned at oil revolute chamber bottom；It is additionally provided with the oil-out of described hydraulic pump 16 and to be made up of high pressure filter
Go out oil strainer 10, the oil-in of hydraulic pump 16 is connected to the fuel-displaced of hydraulic oil container 12 as the oil-in of hydraulic oil pumping mechanism
Room, the oil-out of hydraulic pump 16 is connected to return line as the oil-out of described hydraulic oil pumping mechanism also by overflow valve 24；
Be provided with described hydraulic cylinder 5 with rod chamber (piston rod be located that chamber be hydraulic cylinder 5 left chamber) communicate have bar oil
Mouthful and with rodless cavity (do not have piston rod that chamber be hydraulic cylinder 5 right chamber) the no bar hydraulic fluid port that communicates, have bar hydraulic fluid port to pass through
First hydraulic cylinder hydraulic fluid port pipeline and string are located at the first balanced valve 6 and oil inlet and oil return reversal valve 9 on first hydraulic cylinder hydraulic fluid port pipeline
One oil-out is connected, and no bar hydraulic fluid port passes through second hydraulic cylinder hydraulic fluid port pipeline and string is located on second hydraulic cylinder hydraulic fluid port pipeline the
Two balanced valves 26 are connected with another oil-out of oil inlet and oil return reversal valve 9, and the oil-in p of oil inlet and oil return reversal valve is by fuel-displaced filtration
Device 10 is connected with the oil-out of described hydraulic pump 16, and the oil return opening t of oil inlet and oil return reversal valve 9 is connected to hydraulic oil by return line
The oil revolute chamber of case 12；Voltage stabilizing pipeline is additionally provided with described no bar hydraulic fluid port and by this voltage stabilizing pipeline and is connected to bypass commutation
Valve 3 and accumulator relief valve 2, described voltage stabilizing pipeline is provided with the pressure transmitter 4 for perception no bar hydraulic fluid port pressure, should
Also go here and there in close no bar oil port on voltage stabilizing pipeline and be provided with voltage stabilizing pipe-line control valve 31, described accumulator relief valve 2 connects
There is accumulator 1, the corresponding hydraulic fluid port of described bypass reversal valve 3 and accumulator relief valve 2 is connected to return line；Described return duct
It is provided with return filter 22 in string at the oil revolute chamber of hydraulic oil container 12 on road；In the present embodiment, the first described hydraulic pressure
First hydraulic cylinder oil passage control valve 27 is provided between oil inlet and oil return reversal valve 9 and the first balanced valve 6 on cylinder hydraulic fluid port pipeline,
One balanced valve 6 and have between bar hydraulic fluid port and be provided with first hydraulic cylinder hydraulic fluid port control valve 29, described second hydraulic cylinder hydraulic fluid port pipeline
On be provided with second hydraulic cylinder oil passage control valve 28 between oil inlet and oil return reversal valve 9 and the second balanced valve 26, in the second balanced valve
26 and be no provided with second hydraulic cylinder hydraulic fluid port control valve 30 between bar hydraulic fluid port；Described go out oil strainer 10 oil-out with described enter
It is additionally provided with oil gauge 8 on the connecting line of oil-in p of oil return reversal valve 9；Oil inlet and oil return reversal valve 9 in the present embodiment and side
Way reversing valve 3 is solenoid directional control valve, and wherein, oil inlet and oil return reversal valve 9 is three-position four-way electromagnetic directional valve, and bypass reversal valve 3 is
Two position, three-way electromagnetic change valve.
During practical application, by wiring terminal box 23, the various signals in fluid pressure drive device are connected to and such as can compile logic
The controllers such as controller (plc).During whole unloading, when hull is waved by Lidar Equation and producing or water level goes up, thing
When material produces counteracting force to feeding chain bucket, corresponding pressure-detecting device perceives this change in time, and the signal of telecommunication is passed
Deliver to above-mentioned hydraulic controller, control the piston rod of hydraulic cylinder 5 to stretch out or retract it is ensured that the chain bucket of ship unloaders is in whole discharging
During all the time with cabin in material reliable contacts, and feeding device will not be damaged.
In practical work process, the first balanced valve 6 and the second balanced valve 26, reclaimer can be prevented in the course of the work
Unload rapidly during burst overload phenomenon, thus reaching the effect of protection hydraulic cylinder 5；Described first hydraulic cylinder oil passage control valve 27
The maintenance of the first corresponding balanced valve 6 and the second balanced valve 26 can be facilitated with second hydraulic cylinder oil passage control valve 28 and face
When locking hydraulic cylinder 5 effect.Pressure transmitter 4 predominantly detects hydraulic cylinder 5 pressure change in the course of the work, feeds back in time
To above-mentioned hydraulic controller；Described bypass reversal valve 3 hydraulic system pressure too high, accumulator relief valve 2 is not yet simultaneously
Can unload rapidly in emergency circumstances, so that hydraulic cylinder 5 is directly unloaded to rapidly in the oil revolute chamber of hydraulic oil container 12, be hydraulic system
More reliable overload protection is provided.
In sum, only presently preferred embodiments of the present invention, is not used for limiting the scope of present invention enforcement, all according to
Impartial change and modification that shape described in scope of the invention as claimed, construction, feature and spirit are made, all should be included at this
In the right of invention.
Claims (9)
1. a kind of fluid pressure drive device, comprising: hydraulic cylinder, hydraulic oil container, hydraulic oil pumping mechanism and be used for switching hydraulic cylinder
The oil inlet and oil return reversal valve of middle hydraulic oil flow direction, the oil-in of described hydraulic oil pumping mechanism is connected to hydraulic oil container, described hydraulic pressure
Be provided with cylinder communicate with rod chamber have bar hydraulic fluid port and the no bar hydraulic fluid port that communicates with rodless cavity it is characterised in that: described
Bar hydraulic fluid port and no bar hydraulic fluid port is had to be located on corresponding hydraulic cylinder hydraulic fluid port pipeline by hydraulic cylinder hydraulic fluid port pipeline and respectively string respectively
The corresponding oil-out of balanced valve and described oil inlet and oil return reversal valve is connected, the oil-in of oil inlet and oil return reversal valve and described hydraulic oil pump
The oil-out sending mechanism is connected, and the oil return opening of oil inlet and oil return reversal valve is connected to hydraulic oil container by return line, described hydraulic oil pump
The oil-out sending mechanism is connected to return line also by overflow valve；It is additionally provided with voltage stabilizing pipeline on described no bar hydraulic fluid port and lead to
Cross this voltage stabilizing pipeline and be connected to bypass reversal valve and accumulator relief valve, described voltage stabilizing pipeline is provided with pressure transmitter,
Accumulator is connected with described accumulator relief valve, the corresponding hydraulic fluid port of bypass reversal valve and accumulator relief valve is connected to oil return pipe
Road.
2. a kind of fluid pressure drive device according to claim 1 it is characterised in that: described hydraulic oil pumping mechanism bag
Include: hydraulic pump and for driving the pumping motor of hydraulic pump, as the oil-out of hydraulic oil pumping mechanism hydraulic pump fuel-displaced
It is additionally provided with out oil strainer, on described reflux pipe, string is provided with return filter on mouthful.
3. a kind of fluid pressure drive device according to claim 2 it is characterised in that: described go out oil strainer oil-out with
It is additionally provided with oil gauge on the connecting line of oil-in of described oil inlet and oil return reversal valve.
4. a kind of fluid pressure drive device according to claim 1 it is characterised in that: entering on described hydraulic cylinder hydraulic fluid port pipeline
It is provided with hydraulic cylinder oil passage control valve between oil return reversal valve and corresponding balanced valve.
5. a kind of fluid pressure drive device according to claim 4 it is characterised in that: described hydraulic cylinder hydraulic fluid port pipeline balance
Valve with corresponding have bar hydraulic fluid port or no on bar hydraulic fluid port between set up and be equipped with hydraulic cylinder hydraulic fluid port control valve, on described voltage stabilizing pipeline also
It is provided with voltage stabilizing pipe-line control valve.
6. a kind of fluid pressure drive device according to one of claim 1 to 5 it is characterised in that: in described hydraulic oil container
It is additionally provided with dividing plate, forms out grease chamber and oil revolute chamber, what the oil-in of hydraulic oil pumping mechanism was connected to hydraulic oil container goes out grease chamber.
7. a kind of fluid pressure drive device according to claim 6 it is characterised in that: going out in grease chamber of described hydraulic oil container sets
It is equipped with level control relay, oil temperature sensor and heater, in the oil revolute chamber of described hydraulic oil container, be provided with air filter.
8. a kind of fluid pressure drive device according to claim 7 it is characterised in that: described hydraulic oil container go out grease chamber and return
It is also respectively provided with Magnet in grease chamber.
9. a kind of fluid pressure drive device according to claim 8 it is characterised in that: the going out in grease chamber of described hydraulic oil container
It is additionally provided with liquid level oil thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878007.2A CN106351887A (en) | 2016-10-09 | 2016-10-09 | Hydraulic driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610878007.2A CN106351887A (en) | 2016-10-09 | 2016-10-09 | Hydraulic driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106351887A true CN106351887A (en) | 2017-01-25 |
Family
ID=57866228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610878007.2A Pending CN106351887A (en) | 2016-10-09 | 2016-10-09 | Hydraulic driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351887A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606098A (en) * | 2017-10-12 | 2018-01-19 | 陆晓岭 | A kind of dynamical system |
| CN108953249A (en) * | 2018-08-02 | 2018-12-07 | 清华大学 | Gear fatigue experiment hydraulic loading system |
| CN109114049A (en) * | 2018-09-27 | 2019-01-01 | 中船重型装备有限公司 | A kind of assembling machine sealed reservoir system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125465A (en) * | 1995-11-02 | 1997-05-13 | Hitachi Constr Mach Co Ltd | Vibration restraint device of hydraulic working machine |
| CN101982655A (en) * | 2010-11-03 | 2011-03-02 | 天津市欧曼液压装备系统工程有限公司 | Proportional and hydraulic tracking system for trough solar thermal power generating condenser |
| US20120317966A1 (en) * | 2009-12-23 | 2012-12-20 | Robert Bosch Gmbh | Hydraulic arrangement |
| CN103629169A (en) * | 2013-11-26 | 2014-03-12 | 中国重型机械研究院股份公司 | Jaw clamping hydraulic system of forging manipulator |
| CN203548373U (en) * | 2013-09-27 | 2014-04-16 | 重庆市科学技术研究院 | Servo hydraulic system |
| CN204082718U (en) * | 2014-07-31 | 2015-01-07 | 江苏凯捷机械制造有限公司 | The pylon hydraulic system for lifting of steady variable-speed |
| CN206234174U (en) * | 2016-10-09 | 2017-06-09 | 江苏万达丰重工机械有限公司 | A kind of fluid pressure drive device |
-
2016
- 2016-10-09 CN CN201610878007.2A patent/CN106351887A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09125465A (en) * | 1995-11-02 | 1997-05-13 | Hitachi Constr Mach Co Ltd | Vibration restraint device of hydraulic working machine |
| US20120317966A1 (en) * | 2009-12-23 | 2012-12-20 | Robert Bosch Gmbh | Hydraulic arrangement |
| CN101982655A (en) * | 2010-11-03 | 2011-03-02 | 天津市欧曼液压装备系统工程有限公司 | Proportional and hydraulic tracking system for trough solar thermal power generating condenser |
| CN203548373U (en) * | 2013-09-27 | 2014-04-16 | 重庆市科学技术研究院 | Servo hydraulic system |
| CN103629169A (en) * | 2013-11-26 | 2014-03-12 | 中国重型机械研究院股份公司 | Jaw clamping hydraulic system of forging manipulator |
| CN204082718U (en) * | 2014-07-31 | 2015-01-07 | 江苏凯捷机械制造有限公司 | The pylon hydraulic system for lifting of steady variable-speed |
| CN206234174U (en) * | 2016-10-09 | 2017-06-09 | 江苏万达丰重工机械有限公司 | A kind of fluid pressure drive device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606098A (en) * | 2017-10-12 | 2018-01-19 | 陆晓岭 | A kind of dynamical system |
| CN107606098B (en) * | 2017-10-12 | 2024-04-12 | 陆晓岭 | Power system |
| CN108953249A (en) * | 2018-08-02 | 2018-12-07 | 清华大学 | Gear fatigue experiment hydraulic loading system |
| CN109114049A (en) * | 2018-09-27 | 2019-01-01 | 中船重型装备有限公司 | A kind of assembling machine sealed reservoir system |
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Application publication date: 20170125 |