CN107676319A - A kind of supporting leg synchronization hydraulic system of autocrane four - Google Patents
A kind of supporting leg synchronization hydraulic system of autocrane four Download PDFInfo
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- CN107676319A CN107676319A CN201711122819.5A CN201711122819A CN107676319A CN 107676319 A CN107676319 A CN 107676319A CN 201711122819 A CN201711122819 A CN 201711122819A CN 107676319 A CN107676319 A CN 107676319A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 93
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 23
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims description 125
- 230000002457 bidirectional effect Effects 0.000 claims description 40
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 1
- 210000001364 upper extremity Anatomy 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 241000894007 species Species 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
- 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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of supporting leg synchronization hydraulic system of autocrane four, including the first hydraulic jack, the second hydraulic jack, the 3rd hydraulic jack, the 4th hydraulic jack and the supporting leg reversal valve being located on auxiliary bean frame；Synchronous valve is located at the middle part of auxiliary bean frame, and its oil inlet end communicates with the oil outlet end of supporting leg reversal valve；First synchronous valve be located at auxiliary bean frame front portion and communicated with the first oil outlet end of synchronous valve, its first oil outlet end communicates with the first hydraulic jack, the second oil outlet end communicates with the second hydraulic jack, the first hydraulic jack and the second hydraulic jack communicate with the oil revolving end of supporting leg reversal valve；Second synchronous valve is located at the rear portion of auxiliary bean frame and communicated with the second oil outlet end of synchronous valve, its first oil outlet end communicates with the 3rd hydraulic jack, the second oil outlet end communicates with the 4th hydraulic jack, and the 3rd hydraulic jack and the 4th hydraulic jack communicate with the oil revolving end of supporting leg reversal valve.It disclosure satisfy that autocrane leveling and the requirement of synchronization lifting；And can solve the problems, such as that vehicle is crooked.
Description
Technical field
The present invention relates to hydraulic hoisting machine, and in particular to a kind of supporting leg synchronization hydraulic system of autocrane four, energy
Meet four supporting leg good synchronizations and leveling.
Background technology
With the high speed development of economic construction of China, the species and performance of demand special-purpose vehicle are all improved, especially to a lot
Borrow the special-purpose vehicle of hydraulic mobile crane leg structure, it is desirable to which supporting leg both has net synchronization capability, and also has levelling function.
Now, four supporting legs of most special-purpose vehicles are a kind of simple synchronization loops, and synchronization accuracy is poor；A small number of vehicle supporting legs will
Ask synchronization accuracy higher, but its structure precision is high, levelling control system is considerably complicated, belongs to and automatically controls leveling, causes cost
It is steep to increase.A kind of " autocrane and its leg control system " of CN203513142U bulletins, leg control system includes：Change
To valve, front leg strut reversal valve and front leg strut Vertical Cylinders；There is bar at first working oil end of reversal valve with front leg strut Vertical Cylinders
Chamber is connected, and the second working oil end of reversal valve is connected with the oil outlet end that enters of front leg strut reversal valve, the first work of front leg strut reversal valve
The rodless cavity for making oily end with front leg strut Vertical Cylinders is connected；Leg control system also includes control valve, front leg strut Vertical Cylinders
Rodless cavity is connected by the second working oil end of control valve and reversal valve, and control valve and front leg strut reversal valve simultaneously connect；Reversal valve position
In the first working position, control valve disconnects；Reversal valve is located at the second working position, the rod chambers of front leg strut Vertical Cylinders and reversal valve
First oil inlet end connects, and control valve connects under hydraulic oil effect, the oil return of the rodless cavity and reversal valve of front leg strut Vertical Cylinders
End connection.It can prevent operator from forgetting that withdrawing supporting leg causes potential safety hazard, but be not directed to how to solve how four supporting legs are adjusted
The problem of gentle synchronization lifting.
The content of the invention
It is an object of the invention to provide a kind of supporting leg synchronization hydraulic system of autocrane four, it disclosure satisfy that leveling and same
Walk the requirement of lifting；And can solve the problems, such as supporting leg set up, remove receipts during formed due to asynchronous vehicle it is crooked and distortion,
Improve and set up and remove the rate of producing effects.
The supporting leg synchronization hydraulic system of a kind of autocrane four of the present invention, including it is arranged symmetrically in auxiliary bean frame front portion
The first hydraulic jack and the second hydraulic jack of left and right sides, the 3rd hydraulic jack for being arranged symmetrically in auxiliary bean frame rear portion left and right sides and
4th hydraulic jack, in addition to the supporting leg reversal valve being located on auxiliary bean frame, it is characterized in that：
Synchronous valve is located at the middle part of the auxiliary bean frame, and its oil inlet end is connected with the oil outlet end of the supporting leg reversal valve and communicated；
First synchronous valve is located at the front portion of the auxiliary bean frame, and between first hydraulic jack and the second hydraulic jack；
The oil inlet end of first synchronous valve is connected with the first oil outlet end of the synchronous valve and communicated；The first of first synchronous valve goes out
Oily end is connected with the oil inlet end of the first hydraulic jack and communicated, the oil outlet end of first hydraulic jack and the supporting leg reversal valve
Oil revolving end connection communicates；Second oil outlet end of first synchronous valve is connected with the oil inlet end of the second hydraulic jack to be communicated, described
The oil outlet end of second hydraulic jack is connected with the oil revolving end of the supporting leg reversal valve and communicated；
Second synchronous valve is located at the rear portion of the auxiliary bean frame, and between the 3rd hydraulic jack and the 4th hydraulic jack；
The oil inlet end of second synchronous valve is connected with the second oil outlet end of the synchronous valve and communicated；The first of second synchronous valve goes out
Oily end is connected with the oil inlet end of the 3rd hydraulic jack and communicated, oil outlet end and the supporting leg reversal valve of the 3rd hydraulic jack
Oil revolving end connection communicates；
Second oil outlet end of first synchronous valve is connected with the oil inlet end of the 4th hydraulic jack to be communicated, the 4th hydraulic jack
Oil outlet end be connected and communicate with the oil revolving end of the supporting leg reversal valve.
Further, the first oil outlet end of first synchronous valve is through the first solenoid directional control valve, the first bidirectional hydraulic lock and
The oil inlet end connection of one hydraulic jack communicates, and the oil outlet end of first hydraulic jack is through the first bidirectional hydraulic lock, the first electromagnetism
Reversal valve is connected with the oil revolving end of the supporting leg reversal valve and communicated；
Second oil outlet end of first synchronous valve is through the second solenoid directional control valve, the second bidirectional hydraulic lock and the second hydraulic jack
Oil inlet end connection communicates, the oil outlet end of second hydraulic jack through the second bidirectional hydraulic lock, the second solenoid directional control valve with it is described
The oil revolving end connection of supporting leg reversal valve communicates.
Further, the first oil outlet end of second synchronous valve is through the 3rd solenoid directional control valve, the 3rd bidirectional hydraulic lock and
The oil inlet end connection of three hydraulic jacks communicates, and the oil outlet end of the 3rd hydraulic jack is through the 3rd bidirectional hydraulic lock, the 3rd electromagnetism
Reversal valve is connected with the oil revolving end of the supporting leg reversal valve and communicated；
Second oil outlet end of second synchronous valve is through the 4th solenoid directional control valve, the 4th bidirectional hydraulic lock and the 4th hydraulic jack
Oil inlet end connection communicates, the oil outlet end of the 4th hydraulic jack through the 4th bidirectional hydraulic lock, the 4th solenoid directional control valve with it is described
The oil revolving end connection of supporting leg reversal valve communicates.
Further, the model of first hydraulic jack, the second hydraulic jack, the 3rd hydraulic jack and the 4th hydraulic jack
Specification is identical；Described the first solenoid directional control valve, the second solenoid directional control valve, the 3rd solenoid directional control valve and the 4th electromagnetic switch valve-type
Number specification is identical；First bidirectional hydraulic lock, the second bidirectional hydraulic lock, the 3rd bidirectional hydraulic lock and the 4th bidirectional hydraulic lock
Model specification is identical；First synchronous valve is identical with the model specification of the second synchronous valve.
Further, pipeline and the length of pipe phase of synchronous valve to second synchronous valve of the synchronous valve to the first synchronous valve
Deng, and be arranged symmetrically；The flow of the synchronous valve is the first synchronous valve flow and the second synchronous valve flow sum.
The present invention can make four supporting legs realize that a supporting leg individually stretches, and can also make any two supporting leg synchronization telescope, also
Any three supporting leg synchronization telescopes can be made, can more make four supporting leg synchronization telescopes, meet leveling and the requirement of synchronization lifting；And energy
Solve the problems, such as that supporting leg sets up, removes and form that vehicle is crooked and distortion during receipts due to asynchronous, improve and set up and remove and produces effects
Rate.The automobile crane vehicle of four supporting legs is avoided, during supporting leg sets up or removes receipts, causes to fill sternly on vehicle due to asynchronous
Tilt, even deform again and the generation of the situation of cisco unity malfunction.
Brief description of the drawings
Fig. 1 is the synchronous supporting leg arrangement schematic diagram of the present invention：
Fig. 2 is supporting leg hydraulic synchronization schematic diagram of the present invention；
Fig. 3 is electric control theory figure of the present invention.
In figure：
11-the first hydraulic jack, the 12-the first solenoid directional control valve, the 13-the first bidirectional hydraulic lock；
21-the second hydraulic jack, the 22-the second solenoid directional control valve, the 23-the second bidirectional hydraulic lock；
31-the three hydraulic jack, the 32-the three solenoid directional control valve, the 33-the three bidirectional hydraulic lock；
41-the four hydraulic jack, the 42-the four solenoid directional control valve, the 43-the four bidirectional hydraulic lock；
51-the first synchronous valve, the 52-the second synchronous valve；
60-synchronous valve；
70-supporting leg reversal valve.
Embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
Referring to shown in Fig. 1 and Fig. 3, a kind of described supporting leg synchronization hydraulic system of autocrane four, including be arranged symmetrically
In auxiliary bean frame front portion the first hydraulic jack 11 of left and right sides and the second hydraulic jack 21, be arranged symmetrically in auxiliary bean frame rear portion left and right sides
The 3rd hydraulic jack 31 and the 4th hydraulic jack 41, in addition to the supporting leg reversal valve 70 being located on auxiliary bean frame, its substantive point
It is：
Synchronous valve 60 is located at the middle part of the auxiliary bean frame, and its oil inlet end is connected with the oil outlet end of the supporting leg reversal valve 70 and communicated；
First synchronous valve 51 is located at the front portion of the auxiliary bean frame, and is located at the hydraulic jack 21 of the first hydraulic jack 11 and second
Between；The oil inlet end of first synchronous valve 51 is connected with the first oil outlet end of the synchronous valve 60 and communicated；Described first is synchronous
First oil outlet end of valve 51 is connected with the oil inlet end of the first hydraulic jack 11 and communicated, the oil outlet end of first hydraulic jack 11 with
The oil revolving end connection of the supporting leg reversal valve 70 communicates；Second oil outlet end of first synchronous valve 51 and the second hydraulic jack 21
Oil inlet end connection communicate, the oil outlet end of second hydraulic jack 21 is connected phase with the oil revolving end of the supporting leg reversal valve 70
It is logical；
Second synchronous valve 52 is located at the rear portion of the auxiliary bean frame, and is located at the 3rd hydraulic jack 31 and the 4th hydraulic jack 41
Between；The oil inlet end of second synchronous valve 52 is connected with the second oil outlet end of the synchronous valve 60 and communicated；Described second is synchronous
First oil outlet end of valve 52 is connected with the oil inlet end of the 3rd hydraulic jack 31 to be communicated, the oil outlet end of the 3rd hydraulic jack 31 with
The oil revolving end connection of the supporting leg reversal valve 70 communicates；The second oil outlet end and the 4th hydraulic jack 41 of first synchronous valve 52
Oil inlet end connection communicate, the oil outlet end of the 4th hydraulic jack 41 is connected phase with the oil revolving end of the supporting leg reversal valve 70
It is logical.
First oil outlet end of first synchronous valve 51 is through the first solenoid directional control valve 12, the first bidirectional hydraulic lock 13 and first
The oil inlet end connection of hydraulic jack 11 communicates, and the oil outlet end of first hydraulic jack 11 is through the first bidirectional hydraulic lock 13, first
Solenoid directional control valve 12 is connected with the oil revolving end of the supporting leg reversal valve 70 and communicated.
Second oil outlet end of first synchronous valve 51 is through the second solenoid directional control valve 22, the second bidirectional hydraulic lock 23 and second
The oil inlet end connection of hydraulic jack 21 communicates, and the oil outlet end of second hydraulic jack 21 is through the second bidirectional hydraulic lock 23, second
Solenoid directional control valve 22 is connected with the oil revolving end of the supporting leg reversal valve 70 and communicated.
First oil outlet end of second synchronous valve 52 is through the 3rd solenoid directional control valve 32, the 3rd bidirectional hydraulic lock 33 and the 3rd
The oil inlet end connection of hydraulic jack 31 communicates, and the oil outlet end of the 3rd hydraulic jack 31 is through the 3rd bidirectional hydraulic lock the 33, the 3rd
Solenoid directional control valve 32 is connected with the oil revolving end of the supporting leg reversal valve 70 and communicated；
Second oil outlet end of second synchronous valve 52 is through the 4th solenoid directional control valve 42, the 4th bidirectional hydraulic lock 43 and the 4th hydraulic pressure
The oil inlet end connection of oil cylinder 41 communicates, and the oil outlet end of the 4th hydraulic jack 41 is through the 4th bidirectional hydraulic lock 43, the 4th electromagnetism
Reversal valve 42 is connected with the oil revolving end of the supporting leg reversal valve 70 and communicated.
First hydraulic jack 11, the second hydraulic jack 21, the type of the 3rd hydraulic jack 31 and the 4th hydraulic jack 41
Number specification is identical；Described the first solenoid directional control valve 12, the second solenoid directional control valve 22, the 3rd solenoid directional control valve 32 and the 4th electromagnetism
The model specification of reversal valve 42 is identical；First bidirectional hydraulic lock 13, the second bidirectional hydraulic lock 23, the and of the 3rd bidirectional hydraulic lock 33
The model specification of 4th bidirectional hydraulic lock 43 is identical；First synchronous valve 51 is identical with the model specification of the second synchronous valve 52.
The pipeline of the synchronous valve of synchronous valve 60 to the first 51 and the length of pipe phase of the synchronous valve of synchronous valve 60 to the second 52
Deng, and be arranged symmetrically；The flow of the synchronous valve 60 is the flow of the first synchronous valve 51 and the flow sum of the second synchronous valve 52.
The present invention realizes supporting leg synchronization and levelling function under the cooperation of electrical control；Whether is leveling, can pass through sight
The level meter examined on auxiliary bean frame is shown to be judged.
First, the arrangement of component must be arranged symmetrically as far as possible, referring to Fig. 1.
Next, from（Control element）The pipeline of the synchronous valve 52 of the synchronous valve of synchronous valve 60 to the first 51 and second is isometric and right
Claim.
Again, the flow of synchronous valve 60 is twice to the first synchronous valve 51 or the second synchronous valve 52, and described same
Step valve, the first synchronous valve and the second synchronous valve are respectively provided with unbalance loading function, and the maximum for bearing unbalance loading is 10MPa, while is also had
Flow rate fine-tuning function.The installation requirement of synchronous valve, the axial line for entering oil outlet end must be horizontal.
Debugging initial stage, all air in hydraulic system are first drained, and exclude all leakage of oil and phenomenon of the failure, made repeatedly
Each oil cylinder is flexible for several times, until operating steadily, without untill creeping with jitter phenomenon.
The supporting leg synchronization hydraulic system of a kind of autocrane four provided by the invention, supporting leg span are 6500mm × 2500mm
（Millimeter）.
When switch K1, K2, K3, K4 are in closure state, 1DT, 2DT, 3DT, 4DT of each solenoid directional control valve obtain electrician
Make, the reversing handle of operation supporting leg reversal valve 70, pressure fluid force feed is through operating supporting leg reversal valve（70）, synchronous valve 60, first it is same
Walk valve 51, the second synchronous valve 52 flows into four hydraulic jacks, it is possible to realize and stretch, in synchronous valve 60, the and of the first synchronous valve 51
Under the flow distributing and collecting effect of second synchronous valve 52, the fuel delivery obtained by four hydraulic jacks is impartial, and stretching speed is equal.
When only needing some hydraulic jack to stretch, such as left front oil cylinder, i.e. the first hydraulic jack 11, just it will need to only open
K1 closures are closed, other switches K2, K3, K4 disconnect, and the 1DT of the first solenoid directional control valve 12 obtains electric, and operation supporting leg reversal valve 70 changes
The first hydraulic jack 11 is obtained pressure oil to handle and stretch.
Similarly, if making certain two hydraulic jack or certain three hydraulic jack realize when stretching, just simultaneously by corresponding switch
Closure, then in the reversing handle of operation supporting leg reversal valve 70, hydraulic jack corresponding to realization is stretched.
Claims (5)
1. a kind of supporting leg synchronization hydraulic system of autocrane four, including it is arranged symmetrically in the first liquid of auxiliary bean frame front portion left and right sides
Compressing cylinder（11）With the second hydraulic jack（21）, be arranged symmetrically in the 3rd hydraulic jack of auxiliary bean frame rear portion left and right sides（31）With
Four hydraulic jacks（41）, in addition to the supporting leg reversal valve being located on auxiliary bean frame（70）, it is characterized in that：
Synchronous valve（60）The middle part of the auxiliary bean frame is arranged in, its oil inlet end and the supporting leg reversal valve（70）Oil outlet end connection
Communicate；
First synchronous valve（51）The front portion of the auxiliary bean frame is located at, and is arranged in first hydraulic jack（11）With the second hydraulic pressure
Oil cylinder（21）Between；First synchronous valve（51）Oil inlet end and the synchronous valve（60）The first oil outlet end connection communicate；
First synchronous valve（51）The first oil outlet end and the first hydraulic jack（11）Oil inlet end connection communicate, first hydraulic pressure
Oil cylinder（11）Oil outlet end and the supporting leg reversal valve（70）Oil revolving end connection communicate；First synchronous valve（51）Second
Oil outlet end and the second hydraulic jack（21）Oil inlet end connection communicate, second hydraulic jack（21）Oil outlet end and the branch
Leg reversal valve（70）Oil revolving end connection communicate；
Second synchronous valve（52）The rear portion of the auxiliary bean frame is located at, and is located at the 3rd hydraulic jack（31）With the 4th hydraulic oil
Cylinder（41）Between；Second synchronous valve（52）Oil inlet end and the synchronous valve（60）The second oil outlet end connection communicate；Institute
State the second synchronous valve（52）The first oil outlet end and the 3rd hydraulic jack（31）Oil inlet end connection communicate, the 3rd hydraulic oil
Cylinder（31）Oil outlet end and the supporting leg reversal valve（70）Oil revolving end connection communicate；
Second synchronous valve（52）The second oil outlet end and the 4th hydraulic jack（41）Oil inlet end connection communicate, the described 4th
Hydraulic jack（41）Oil outlet end and the supporting leg reversal valve（70）Oil revolving end connection communicate.
2. the supporting leg synchronization hydraulic system of autocrane four according to claim 1, it is characterized in that：First synchronous valve
（51）The first oil outlet end through the first solenoid directional control valve（12）, the first bidirectional hydraulic lock（13）With the first hydraulic jack（11）Enter
Oily end connection communicates, first hydraulic jack（11）Oil outlet end through the first bidirectional hydraulic lock（13）, the first solenoid directional control valve
（12）With the supporting leg reversal valve（70）Oil revolving end connection communicate；
First synchronous valve（51）The second oil outlet end through the second solenoid directional control valve（22）, the second bidirectional hydraulic lock（23）With
Two hydraulic jacks（21）Oil inlet end connection communicate, second hydraulic jack（21）Oil outlet end through the second bidirectional hydraulic lock
（23）, the second solenoid directional control valve（22）With the supporting leg reversal valve（70）Oil revolving end connection communicate.
3. the supporting leg synchronization hydraulic system of autocrane four according to claim 1 or 2, it is characterized in that：Described second is same
Walk valve（52）The first oil outlet end through the 3rd solenoid directional control valve（32）, the 3rd bidirectional hydraulic lock（33）With the 3rd hydraulic jack（31）
Oil inlet end connection communicate, the 3rd hydraulic jack（31）Oil outlet end through the 3rd bidirectional hydraulic lock（33）, the 3rd electromagnetism changes
To valve（32）With the supporting leg reversal valve（70）Oil revolving end connection communicate；
Second synchronous valve（52）The second oil outlet end through the 4th solenoid directional control valve（42）, the 4th bidirectional hydraulic lock（43）With
Four hydraulic jacks（41）Oil inlet end connection communicate, the 4th hydraulic jack（41）Oil outlet end through the 4th bidirectional hydraulic lock
（43）, the 4th solenoid directional control valve（42）With the supporting leg reversal valve（70）Oil revolving end connection communicate.
4. the supporting leg synchronization hydraulic system of autocrane four according to claim 1 or 2, it is characterized in that：First liquid
Compressing cylinder（11）, the second hydraulic jack（21）, the 3rd hydraulic jack（31）With the 4th hydraulic jack（41）Model specification it is identical；
The first described solenoid directional control valve（12）, the second solenoid directional control valve（22）, the 3rd solenoid directional control valve（32）With the 4th electromagnetic switch
Valve（42）Model specification is identical；First bidirectional hydraulic lock（13）, the second bidirectional hydraulic lock（23）, the 3rd bidirectional hydraulic lock
（33）With the 4th bidirectional hydraulic lock（43）Model specification it is identical；First synchronous valve（51）With the second synchronous valve（52）Type
Number specification is identical.
5. the supporting leg synchronization hydraulic system of autocrane four according to claim 1 or 2, it is characterized in that：The synchronous valve
（60）To the first synchronous valve（51）Pipeline and synchronous valve（60）To the second synchronous valve（52）Length of pipe it is equal, and symmetrical cloth
Put；The synchronous valve（60）Flow be the first synchronous valve（51）Flow and the second synchronous valve（52）Flow sum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122819.5A CN107676319A (en) | 2017-11-14 | 2017-11-14 | A kind of supporting leg synchronization hydraulic system of autocrane four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122819.5A CN107676319A (en) | 2017-11-14 | 2017-11-14 | A kind of supporting leg synchronization hydraulic system of autocrane four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676319A true CN107676319A (en) | 2018-02-09 |
Family
ID=61148764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122819.5A Pending CN107676319A (en) | 2017-11-14 | 2017-11-14 | A kind of supporting leg synchronization hydraulic system of autocrane four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259753A (en) * | 2019-06-28 | 2019-09-20 | 金川集团股份有限公司 | A kind of supporting leg automatic leveling hydraulic valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586584A (en) * | 2008-05-20 | 2009-11-25 | 上海建工股份有限公司 | A kind of high level, tall and slender structure construction creeping formwork hydraulic synchronous control system |
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN103527539A (en) * | 2013-09-16 | 2014-01-22 | 洛阳中重自动化工程有限责任公司 | Synchronizing and pressure balancing hydraulic control circuit for multiple oil cylinders |
| CN105114380A (en) * | 2015-07-29 | 2015-12-02 | 西安昆仑工业（集团）有限责任公司 | Synchronous-control hydraulic station of oil cylinders |
-
2017
- 2017-11-14 CN CN201711122819.5A patent/CN107676319A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586584A (en) * | 2008-05-20 | 2009-11-25 | 上海建工股份有限公司 | A kind of high level, tall and slender structure construction creeping formwork hydraulic synchronous control system |
| CN102767545A (en) * | 2012-08-07 | 2012-11-07 | 安奥克斯汤姆逊(青岛)游艇有限公司 | Four-cylinder synchronous hydraulic system |
| CN103527539A (en) * | 2013-09-16 | 2014-01-22 | 洛阳中重自动化工程有限责任公司 | Synchronizing and pressure balancing hydraulic control circuit for multiple oil cylinders |
| CN105114380A (en) * | 2015-07-29 | 2015-12-02 | 西安昆仑工业（集团）有限责任公司 | Synchronous-control hydraulic station of oil cylinders |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259753A (en) * | 2019-06-28 | 2019-09-20 | 金川集团股份有限公司 | A kind of supporting leg automatic leveling hydraulic valve |
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