CN109611397A - A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system - Google Patents
A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system Download PDFInfo
- Publication number
- CN109611397A CN109611397A CN201910072320.0A CN201910072320A CN109611397A CN 109611397 A CN109611397 A CN 109611397A CN 201910072320 A CN201910072320 A CN 201910072320A CN 109611397 A CN109611397 A CN 109611397A
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic
- hydraulic cylinder
- synchronization
- group
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system.The present invention provides a kind of synchronization hydraulic systems, the synchronization hydraulic system includes power plant module, the first hydraulic cylinder group of the hydraulic oil provided by the power plant module driving and the commutation valve group between the power plant module and the first hydraulic cylinder group, the hydraulic oil of the power plant module is supplied to the first hydraulic cylinder group via commutation valve group, is then back to the reflux end of the power plant module again;Wherein the power plant module includes fuel tank, motor and the oil pump driven by the motor, and check valve is provided on the output pipe of the oil pump, and the first overflow valve for adjusting the synchronization hydraulic system pressure is additionally provided in the power plant module;Wherein each hydraulic cylinder in the first hydraulic cylinder group is connected in series, and each hydraulic cylinder is also each parallel with second overflow valve.The invention also discloses a kind of carriers using above-mentioned synchronization hydraulic system.
Description
Technical field
The present invention relates to storage facilities field, in particular to a kind of synchronization hydraulic system and include the synchronization hydraulic system
Carrier.
Background technique
In the prior art, the way of realization of hydraulic synchronous system has very much, and citation form can be divided into opened loop control
Mode and close-loop control mode, open loop control mode substantially lean on hydraulic control component such as synchronous valve, throttle valve or speed governing valve etc.
The precision of itself controls the synchronization of executive component.In general, using the hydraulic synchronous system structure letter of open loop control mode
List, cost is relatively low, but misses caused by can not eliminating due to load difference, oil cylinder accuracy of manufacture difference and hydraulic oil leakage etc.
Difference.
In addition, synchronization hydraulic system can also be divided into two kinds of pump control synchronously control and valve control synchronously control.The former is by multiple
Pump inputs identical flow to each oil cylinder respectively, controls the output flow of pump by changing the discharge capacity of pump, holds to adjust
The movement velocity of units, pump control system is high-efficient, and energy loss is few, but since the response speed of pump is not high, pump control system
Dynamic characteristic is relatively poor, and control precision is not high.
Currently, all improving synchronization accuracy without good method both at home and abroad, most of use repairs error loop
Positive method, to avoid repeatedly moving back and forth the accumulated error formed, but this is only from system element quality or oil channel structures
Start with, stability is not high, and efficiency is relatively low.
Summary of the invention
In order to solve or alleviate the above problem in the prior art, the present disclosure presents a kind of synchronization hydraulic system,
The synchronization hydraulic system include power plant module, the hydraulic oil provided by the power plant module driving first hydraulic cylinder group and be set to
Commutation valve group between the power plant module and the first hydraulic cylinder group, the hydraulic oil of the power plant module is via commutation valve group
Supplied to the first hydraulic cylinder group, it is then back to the reflux end of the power plant module again;Wherein the power plant module includes
Fuel tank, motor and the oil pump driven by the motor are provided with check valve, the power mould on the output pipe of the oil pump
The first overflow valve for adjusting the synchronization hydraulic system pressure is additionally provided in block;Wherein in the first hydraulic cylinder group
Each hydraulic cylinder is connected in series, and each hydraulic cylinder is also each parallel with second overflow valve.
Preferably, in the synchronization hydraulic system according to present disclosure, each hydraulic cylinder in first hydraulic cylinder group can
Think the hydraulic cylinder of same size, the parameter of each second overflow valve can be identical.
Preferably, the first overflow valve can be arranged in the output pipe of the check valve and the oil return pipe of the power plant module
Among road, the output pipe of check valve is divided into two branches, and a branch serves as the output end of power plant module, another branch connects
It is connected to the input terminal of first overflow valve.
In a preferred embodiment according to the synchronization hydraulic system of present disclosure, the top of fuel tank be can be set
There is the breather valve of the air for being discharged in synchronization hydraulic system.
In a specific embodiment according to the synchronization hydraulic system of present disclosure, may include in the valve group that commutates
For the three-position four-way valve of commutation, which is configured as three of them operating position corresponding in first hydraulic cylinder group
Three kinds of states of stretching, retraction and the stopping of each hydraulic cylinder.
It is further preferred that synchronization hydraulic system may include having the second hydraulic cylinder in parallel with the first hydraulic cylinder group
Group, commutate valve group in further include second three-position four-way valve, second three-position four-way valve is configured as three of them operating position pair
Three kinds of states of stretching, retraction and the stopping of each hydraulic cylinder in second hydraulic cylinder group described in Ying Yu.
Preferably, in a specific embodiment according to the synchronization hydraulic system of present disclosure, first hydraulic cylinder
Group and second hydraulic cylinder group respectively include all identical hydraulic cylinder of 4 specifications, and the hydraulic hydraulic cylinder in each hydraulic cylinder group
It is configured as moving synchronously.
In addition, can also include a 2/2-way valve, the 2/2-way valve and a throttling in the commutation valve group
Valve is in parallel;Preferably, pressure sensor is additionally provided in the commutation valve group.
It is further preferred that the various valves in hydraulic system are arranged in a manner of valve block, such as each second overflow
Valve arranges that each valve in the commutation valve group is also arranged in the form of valve block in a manner of valve block.
According to another aspect of the present disclosure, a kind of carrier for warehouse is proposed, the carrier includes upper
The synchronization hydraulic system stated.
According to the synchronization hydraulic system of present disclosure, obtainable beneficial effect at least that: the synchronization hydraulic system
In the case where can guarantee four cylinder system of synchronous driving, moreover it is possible to the control to multiple synchronous hydraulic cylinder groups is realized, in operational process
In can eliminate automatically and the cumulative departures such as let out in hydraulic oil, guarantee hydraulic stable operation.The synchronization hydraulic system principle is reliable,
Stability is high, and the response time is short, high-efficient, and element service life is high under nominal situation, and whole system occupies little space, later period dimension
Shield is simple, can greatly reduce cost, reduces the investment of manpower and material resources, realizes the high-efficiency homework of modern intelligent storage.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 diagrammatically illustrates the power plant module in an embodiment of the synchronization hydraulic system of present disclosure and changes
To the structural schematic diagram of valve group;
Diagrammatically illustrate in an embodiment according to the synchronization hydraulic system of present disclosure one of Fig. 2 is hydraulic
The exemplary structural schematic diagram of cylinder group;
Fig. 3 is to diagrammatically illustrate the schematic diagram of an embodiment of synchronization hydraulic system for present disclosure;
Fig. 4 is the partial schematic diagram of the example of an embodiment of the synchronization hydraulic system of present disclosure, and Fig. 4 a is
Main view, Fig. 4 b are top view.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below;Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
According to one aspect of the present disclosure, referring to figs. 1 to a kind of synchronization hydraulic system shown in Fig. 3, is proposed, this is same
Stepped hydraulic system include power plant module 100, the hydraulic oil provided by power plant module 100 driving first hydraulic cylinder group 300 and set
Commutation valve group 200 between power plant module and first hydraulic cylinder group, the hydraulic oil of power plant module 100 is via commutation valve group 200
Supplied to first hydraulic cylinder group 300, it is then back to the reflux end of power plant module 100 again;Wherein power plant module 100 includes fuel tank
160, motor and the oil pump 150 driven by motor, are provided with check valve 140 on the output pipe of oil pump 150, in power plant module
It is additionally provided with the first overflow valve 130 for adjusting synchronization hydraulic system pressure;Wherein each liquid in first hydraulic cylinder group 300
Cylinder pressure is connected in series, and each hydraulic cylinder is also each parallel with second overflow valve 301.
Preferably, in the synchronization hydraulic system according to present disclosure, each hydraulic cylinder in first hydraulic cylinder group can
Think the hydraulic cylinder of same size, the parameter of each second overflow valve 301 can be identical.
Preferably, the first overflow valve 130 can be arranged in the oil return of the output pipe and power plant module 100 of check valve 140
Among pipeline.The output pipe of check valve 140 is divided into two branches, and a branch serves as the output end of power plant module 100, that is, connects
It is connected to commutation valve group 200, another branch is connected to the input terminal of the first overflow valve 140.In Fig. 1 and Fig. 3 embodiment, first
Overflow valve 130 is mountable on pump mounting blocks 120, through piping connection on the oil return line of mailbox 160.Check valve 140
Setting is on pump mounting blocks 120.First overflow valve 130 plays the role of safeguard protection, when system worked well, the first overflow valve
130 close.Only load is more than the defined limit (system pressure is more than set pressure) Shi Kaiqi overflow, carries out overload protection,
It is further added by system pressure not.
In a preferred embodiment according to the synchronization hydraulic system of present disclosure, the top of fuel tank be can be set
There is the breather valve 162 of the air for being discharged in synchronization hydraulic system.
It, can be in the valve group 200 that commutates in a specific embodiment according to the synchronization hydraulic system of present disclosure
Including the three-position four-way valve 210 for commutation, which is configured as three of them operating position corresponding to hydraulic cylinder
Three kinds of states of stretching, retraction and the stopping of each hydraulic cylinder in group 300.
It is further preferred that synchronization hydraulic system may include having the second hydraulic cylinder in parallel with first hydraulic cylinder group 300
Group, commutate valve group 200 in can also include second three-position four-way valve 220, second three-position four-way valve 220 be configured as thirdly
A operating position corresponds to three kinds of states of stretching, retraction and the stopping of each hydraulic cylinder in the second hydraulic cylinder group.
Preferably, in a specific embodiment according to the synchronization hydraulic system of present disclosure, first hydraulic cylinder
Group 300 and second hydraulic cylinder group respectively include all identical hydraulic cylinder of 4 specifications, and hydraulic in each hydraulic cylinder group
Cylinder is configured as moving synchronously.Hydraulic cylinder 311,312,313 and 314 as shown in Figures 2 and 3.
In addition, can also include a 2/2-way valve 250, the 2/2-way valve 250 and a section in commutation valve group 200
It is in parallel to flow valve 240;Preferably, pressure sensor 230 is also provided in the valve group 200 that commutates.
It is further preferred that the various valves in hydraulic system are arranged in a manner of valve block, such as each second overflow
Valve 301 arranges that each valve in the valve group 200 that commutates also is arranged in the form of valve block in a manner of valve block.
According to another aspect of the present disclosure, a kind of carrier for warehouse is proposed, the carrier includes upper
The synchronization hydraulic system stated.
Hydraulic system in the prior art can be solved better according to the synchronization hydraulic system of present disclosure synchronizes essence
Spend not high problem.
As shown in Fig. 2, each hydraulic cylinder 311,312,313,314 is parallel with overflow valve 301 in hydraulic valve bank.?
Synchronization hydraulic system work normally when, the second overflow valve 301 generally will not overflow, when system appearance in let out, leak or be mixed into
When air, causing the pressure difference of 301 two sides of the second overflow valve is more than preset value, and the second overflow valve 301 opens overflow, is realized certainly
Dynamic repairing, guarantees that the oil mass in the corresponding oil pocket of each hydraulic cylinder is equal, so that it is guaranteed that the synchronous operation of multi-cylinder.
In the above-described embodiment, automatic calibration function can be realized using the synchronization hydraulic system of overflow valve (the second overflow valve)
Can, and overflow valve (the second overflow valve) will not open relief function in excessively oily inverted running, overflow valve generates back pressure, so that
Hydraulic cylinder stationarity increases.
In the above-described embodiment, middle compared with the existing technology to use synchronous valve or synchronize the synchronization hydraulic system pumped, especially
It is that four cylinders of control and system above, error can reach 5% hereinafter, running precision is higher.
In the accompanying drawings in shown example, power plant module 100 includes pump 150, and commutation valve group 200 includes controllable hydraulic cylinder group
The three-position four-way valve 210,220 that hydraulic cylinder in 300 moves back and forth.Three-position four-way valve 210,220 and pump 150 are connected by pipeline
It connects, includes multiple concatenated hydraulic cylinders 311,312,313 and 314 in hydraulic cylinder group 300.
Second overflow valve 301 be connected in parallel on respectively each hydraulic cylinder into and out of on oil-piping, the quantity of the second overflow valve 301 with
The quantity of hydraulic cylinder is identical, the second overflow valve 301 series connection in hydraulic cylinder group 300.
In the above-described embodiment, the second overflow valve 301 may be arranged on an integrated package, and the second overflow valve 301 can also
It is separately mounted on hydraulic cylinder.When it is implemented, for example hydraulic cylinder group 300 is four cylinder systems, divided by 4 the second overflow valves 301
It is not connected in parallel on by 4 hydraulic cylinders, forms synchronously control part.4 the second overflow valves 301 may be selected to be arranged in an integrated package
In, it also may be alternatively mounted on each hydraulic cylinder, the latter can reduce the occupied space of the synchronization hydraulic system, improve space benefit
With rate.
In a better embodiment in the present invention, as Figure 1 and Figure 4, power plant module 100 of the invention includes
Fuel tank 160 configured with breather valve 162 is furnished with pouring orifice 161 above fuel tank 160.Power plant module 100 further includes transfer tube rotation
Hydraulic electric motor 110, hydraulic electric motor 110 with pump can be connect by shaft coupling;Power plant module 100 further includes pump installation valve block
120, overflow valve 130, check valve 140.Pump is preferably gear pump 150, can also be plunger pump etc., but not limited to this.
In the above-described embodiment, the first overflow valve 130 can guarantee the operating pressure of system, while can avoid system internal pressure
Power is excessively high, protects entire synchronization hydraulic system.Check valve 140 can prevent hydraulic oil reflux gear pump, extend making for gear pump 150
Use the service life.The breather valve 162 being equipped on fuel tank 160 can guarantee and the air in system is smoothly discharged.Equipped with note above fuel tank 160
Hydraulic fluid port 161, it is convenient to supplement hydraulic oil and observation oil mass at any time.
In the above-described embodiment, 150 revolving speed of gear pump of power plant module 100 can be 2ml/r, and rated power can be
800W, the pressure unloading of the first overflow valve 130 are 16MPa.
In a better embodiment in the present invention, as shown in Figure 1, commutation valve group 200 may include being arranged at three
Pressure sensor 230 on pipeline between four-way valve 210 and power plant module 100.Commutation valve group 200 further includes being arranged at three
On pipeline between four-way valve 210 and power plant module 100 and throttle valve 240 and two position two-way valve 250 used in parallel.The synchronization
Hydraulic system further includes control module, and the operating pressure that pressure sensor 230 detects is transmitted to control module;Control module control
Three-position four-way valve, the connection of two position two-way valve, cutting and commutation.
In the above-described embodiment, the Median Function of three-position four-way valve 210 be it is O-shaped, it can be achieved that four cylinders commutation, guarantee four
The way traffic of cylinder.Two position two-way valve 250 and throttle valve 240 are used cooperatively, and throttle valve 240 can guarantee liquid after adjusting to desired value
Cylinder pressure group 300 runs smoothly.Pressure sensor 230 can measure the operating pressure of system at any time, feed back to control module.
In the above-described embodiment, 3-position 4-way inserted valve can be used in three-position four-way valve 210, and two position two-way valve 250 can be adopted
With bi-bit bi-pass inserted valve.
According to the present invention one preferable implementation, which may include multiple hydraulic cylinders group 300,3-position 4-way
The quantity of valve 210 is identical as the number of hydraulic cylinder group 300, and each three-position four-way valve 210,220 is arranged in parallel, i.e. multiple hydraulic cylinders group
300 are arranged in parallel.
In the above-described embodiment, this synchronization hydraulic system can drive one or more four cylinder system synchronous operations simultaneously,
As shown in figure 3, for this sentences two four cylinder systems.In commutation valve group 200, each control of three-position four-way valve 210,220 one
A four cylinders system is indicated in Fig. 3 with pipeline contact 1A and 1B, 2A and 2B.In four cylinder systems of the control of three-position four-way valve 210 left side
The direction of oil circuit and on-off, three-position four-way valve 210 work in middle position i.e. must not electricity when hydraulic cylinder group 300 do not work;3-position 4-way
When the solenoid valve (AV11) in 210 left side of valve obtains electric, the cylinder rod of four hydraulic cylinders moves upward (or overcoming load direction);Right side electricity
When magnet valve (AV12) obtains electric, four hydraulic cylinder cylinder rods move in the opposite direction, to realize the commutation action of four cylinder systems.Similarly,
Three-position four-way valve 220 can control another hydraulic cylinder group.
After the completion of this synchronization hydraulic system arrangement, system carries out for several times that can to remove hydraulic oil dissolved gas miscellaneous for positive counter-movement
Matter completes the synchronization of four hydraulic cylinders.In system work process, four hydraulic cylinders are in series connection, can run simultaneously, when being
When letting out or leak in system appearance, due to the presence of overflow valve, each circulation can realize automatic repairing, guarantee each hydraulic cylinder
Oil mass is equal in corresponding oil pocket, realizes moving synchronously for four cylinder systems.
The synchronization hydraulic system is in the case where can guarantee four cylinder system of synchronous driving, moreover it is possible to realize synchronous to multiple four cylinders
The control of hydraulic system can be eliminated automatically the cumulative departures such as let out in hydraulic oil in the process of running, guarantee hydraulic to stablize fortune
Row.The synchronization hydraulic system principle is reliable, stability is high, and the response time is short, high-efficient, element service life under nominal situation
Height, whole system occupy little space, and later maintenance is simple, can greatly reduce cost, reduce the investment of manpower and material resources, realize existing
For the high-efficiency homework of intelligent storage.
According to another aspect of the present invention, a kind of carrier comprising above-mentioned overflow valve synchronization hydraulic system is also provided,
Hydraulic cylinder group is four cylinder systems, which includes two four cylinder systems, and the multi-overflow valve of the carrier is same
Stepped hydraulic system is connected with the walking mechanism of its underpart.
Synchronization hydraulic system response is fast, and stability is high, and risk is small, has a safety feature, and occupies little space, and is suitable for rail
The occasion that carrier this kind load-carrying is big, vehicle body space is small, functional requirement is more and working condition requirement is stable.
The synchronization hydraulic system principle is reliable, and later maintenance is simple and convenient, can efficiently reduce the investment of man power and material,
Apply in carrier, the working efficiency in tiered warehouse facility can be improved, preferably serves modernization intelligent storage logistics system
System.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (10)
1. a kind of synchronization hydraulic system, which is characterized in that the synchronization hydraulic system includes power plant module, mentioned by the power plant module
The first hydraulic cylinder group of the hydraulic oil driving of confession and the reversal valve between the power plant module and the first hydraulic cylinder group
The hydraulic oil of group, the power plant module is supplied to the first hydraulic cylinder group via commutation valve group, is then back to again described dynamic
The reflux end of power module;
Wherein the power plant module includes fuel tank, motor and the oil pump driven by the motor, the output pipe of the oil pump
On be provided with check valve, the first overflow for adjusting the synchronization hydraulic system pressure is additionally provided in the power plant module
Valve;
Wherein each hydraulic cylinder in the first hydraulic cylinder group is connected in series, and each hydraulic cylinder is also each parallel with
One the second overflow valve.
2. synchronization hydraulic system according to claim 1, which is characterized in that each hydraulic in the first hydraulic cylinder group
Cylinder is the hydraulic cylinder of same size, and the parameter of each second overflow valve is identical.
3. synchronization hydraulic system according to claim 1, which is characterized in that first overflow valve is arranged in described unidirectional
Among the oil return line of the output pipe of valve and the power plant module, the output pipe of the check valve is divided into two branches, and one
A branch serves as the output end of power plant module, another branch is connected to the input terminal of first overflow valve.
4. synchronization hydraulic system according to claim 3, which is characterized in that the top of the fuel tank is provided with for being discharged
The breather valve of air in the synchronization hydraulic system.
5. synchronization hydraulic system according to claim 1, which is characterized in that include for commutation in the commutation valve group
Three-position four-way valve, the three-position four-way valve are configured as three of them operating position corresponding to each liquid in the first hydraulic cylinder group
Three kinds of states of stretching, retraction and the stopping of cylinder pressure.
6. synchronization hydraulic system according to claim 5, which is characterized in that the synchronization hydraulic system include with it is described
The second hydraulic cylinder group of first hydraulic cylinder group parallel connection, further includes second three-position four-way valve in the commutation valve group, and described second
A three-position four-way valve is configured as stretching, contracting of three of them operating position corresponding to each hydraulic cylinder in the second hydraulic cylinder group
The three kinds of states returned and stopped.
7. synchronization hydraulic system according to claim 6, which is characterized in that first hydraulic cylinder group and second hydraulic cylinder component
Not Bao Kuo all identical hydraulic cylinder of 4 specifications, and the hydraulic hydraulic cylinder in each hydraulic cylinder group is configured as moving synchronously.
8. synchronization hydraulic system according to any one of claim 1 to 7, which is characterized in that in the commutation valve group also
Including a 2/2-way valve, the 2/2-way valve is in parallel with a throttle valve;Preferably, it is also set up in the commutation valve group
There is pressure sensor.
9. synchronization hydraulic system according to claim 8, which is characterized in that each second overflow valve is with the side of valve block
Formula arranges that each valve in the commutation valve group is also arranged in the form of valve block.
10. a kind of carrier for warehouse, which is characterized in that the carrier includes according to claim 1 to any one of 9
The synchronization hydraulic system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910072320.0A CN109611397A (en) | 2019-01-25 | 2019-01-25 | A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910072320.0A CN109611397A (en) | 2019-01-25 | 2019-01-25 | A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109611397A true CN109611397A (en) | 2019-04-12 |
Family
ID=66019263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910072320.0A Pending CN109611397A (en) | 2019-01-25 | 2019-01-25 | A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109611397A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110701123A (en) * | 2019-10-17 | 2020-01-17 | 上海速锐信息技术有限公司 | Closed synchronous control hydraulic system and four-way shuttle |
CN112012973A (en) * | 2020-08-28 | 2020-12-01 | 江苏智库智能科技有限公司 | Hydraulic cylinder system for four-way shuttle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201246357Y (en) * | 2008-05-15 | 2009-05-27 | 上海新力机器厂 | Hydraulic control system of bender |
CN201650901U (en) * | 2010-03-29 | 2010-11-24 | 张元杰 | Multi-cylinder synchronous hydraulic control device |
CN104494647A (en) * | 2014-12-20 | 2015-04-08 | 太原市京丰铁路电务器材制造有限公司 | Electric-hydraulic switch machine |
CN109026871A (en) * | 2018-08-29 | 2018-12-18 | 广汉川友机械租赁有限公司 | A kind of carrying vehicle hydraulic system |
CN209494777U (en) * | 2019-01-25 | 2019-10-15 | 上海速锐信息技术有限公司 | A kind of hydraulic system and the carrier comprising the hydraulic system |
-
2019
- 2019-01-25 CN CN201910072320.0A patent/CN109611397A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201246357Y (en) * | 2008-05-15 | 2009-05-27 | 上海新力机器厂 | Hydraulic control system of bender |
CN201650901U (en) * | 2010-03-29 | 2010-11-24 | 张元杰 | Multi-cylinder synchronous hydraulic control device |
CN104494647A (en) * | 2014-12-20 | 2015-04-08 | 太原市京丰铁路电务器材制造有限公司 | Electric-hydraulic switch machine |
CN109026871A (en) * | 2018-08-29 | 2018-12-18 | 广汉川友机械租赁有限公司 | A kind of carrying vehicle hydraulic system |
CN209494777U (en) * | 2019-01-25 | 2019-10-15 | 上海速锐信息技术有限公司 | A kind of hydraulic system and the carrier comprising the hydraulic system |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110701123A (en) * | 2019-10-17 | 2020-01-17 | 上海速锐信息技术有限公司 | Closed synchronous control hydraulic system and four-way shuttle |
CN110701123B (en) * | 2019-10-17 | 2022-04-01 | 上海速锐信息技术有限公司 | Closed synchronous control hydraulic system and four-way shuttle |
CN112012973A (en) * | 2020-08-28 | 2020-12-01 | 江苏智库智能科技有限公司 | Hydraulic cylinder system for four-way shuttle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101776107B (en) | Exact stroke control method and stroke control device of serial oil cylinders | |
CN100424361C (en) | Closed electrohydraulic controlling system | |
CN202064326U (en) | Synchronous split hydraulic hoist | |
CN109611397A (en) | A kind of hydraulic synchronous system and the carrier comprising the synchronization hydraulic system | |
CN201396344Y (en) | Digital electro-hydraulic isochronous control system | |
CN201666281U (en) | Hydraulic system energy-saving device fully using piston accumulator for feeding liquid | |
CN102758421A (en) | Synchronous split-type hydraulic hoist | |
CN208950998U (en) | A kind of hydraulic system of the series-parallel mode conversion of hydraulic cylinder | |
CN101564893B (en) | Hydraulic drive unit for high-speed continuous hollow blow molding machine | |
CN110701123B (en) | Closed synchronous control hydraulic system and four-way shuttle | |
CN209494777U (en) | A kind of hydraulic system and the carrier comprising the hydraulic system | |
CN201446692U (en) | Hydraulic driving device in high-speed continuous hollow blow-molding machine | |
CN208778396U (en) | A kind of hydraulic device and hot chamber machine | |
CN208348187U (en) | A kind of hydraulic press hydraulic control system equipped with synchronized cylinder | |
CN201346644Y (en) | Double-speed hydraulic drawing bench | |
CN205348806U (en) | One drags two prestressing force intelligence stretch -draw hydraulic means | |
CN210859380U (en) | Closed hydraulic system for automatic transfer robot | |
CN110410386A (en) | Three-dimensional public transport garage hydraulic power jacking system | |
CN215444561U (en) | Synchronous hydraulic system of series cylinder | |
CN115111213A (en) | Hydraulic system based on hydraulic cylinder parallel mode | |
CN110081036B (en) | Multi-oil-cylinder synchronous control system and control method thereof | |
CN221097018U (en) | Servo pump control hydraulic system of down-driven numerical control bending machine | |
CN2285322Y (en) | Top pressing type machine for drawing out joint pipe | |
CN215890631U (en) | Four-cylinder jacking synchronization mechanism for AGV | |
CN202242071U (en) | Hydraulic system used for wrapping machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
RJ01 | Rejection of invention patent application after publication |