CN105605004B - The hydraulic system that a kind of driving equipment rises - Google Patents
The hydraulic system that a kind of driving equipment rises Download PDFInfo
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- CN105605004B CN105605004B CN201510833274.3A CN201510833274A CN105605004B CN 105605004 B CN105605004 B CN 105605004B CN 201510833274 A CN201510833274 A CN 201510833274A CN 105605004 B CN105605004 B CN 105605004B
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Abstract
The invention discloses the hydraulic system that a kind of driving equipment rises, including fuel tank, four jacking cylinders and four groups of jacking hydraulic devices；Include in every group of jacking hydraulic device by the duplex pump of speed regulating motor driving, two-bit triplet solenoid valve, proportional pressure control valve, the first solenoid directional control valve, the first shut-off valve, the second shut-off valve, the first balanced valve, the second balanced valve；The oil inlet of the duplex pump is connected to the fuel tank through the first ball valve, and the oil outlet of the main oil pump of the duplex pump is connected to the first hydraulic fluid port of the two-bit triplet solenoid valve, and the second hydraulic fluid port of the two-bit triplet solenoid valve connects the oil inlet of the first check valve.The present invention has the advantages that super large jumbo is smoothly smoothly lifted to flat surface from ground.
Description
Technical field
The present invention relates to a kind of hydraulic test, more particularly to the hydraulic system that a kind of driving equipment rises.
Background technology
In impeller dynamic test, one of them important test event is that flow deflector is placed into ultra-large type water tank to carry out
Test.The water tank of this ultra-large type, it is 3 meters wide, it is 6 meters long, weigh in the case where storing full water 132 tons.During the test, water tank
It may require that in the flat surface from surface uplift to 3.2m and fallen after rise from flat surface to ground, and this span is big and heavy
Water tank from surface uplift to plane on be very difficult thing, and require during lifting, water tank is not allow for deviating, no
Then water tank will be blocked by track, can not continue lifting, or even can cause the damage of water tank.
Later, someone expected being lifted the lifting of this super large jumbo using screw body.Although utilize screw machine
Structure, which carries out lifting, has the advantages that precision is high, and super large jumbo can be avoided not shift during lifting, but silk
The power that linkage can be provided is limited, it is impossible to reaches the power needed for lifting super large jumbo, therefore, finally utilizes screw body
Carrying out this super large jumbo of lifting still can not realize.
The content of the invention
In order to solve the above technical problems, the present invention provides the hydraulic system that a kind of driving equipment rises, pass through the side of hydraulic pressure
Formula lifts super large jumbo, to overcome the shortcomings of the prior art.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
The hydraulic system that a kind of driving equipment rises, it is characterised in that：
Including fuel tank, four jacking cylinders and four groups of jacking hydraulic devices；
Include the duplex pump, two-bit triplet solenoid valve, ratio by speed regulating motor driving in every group of jacking hydraulic device
Overflow valve, the first solenoid directional control valve, the first shut-off valve, the second shut-off valve, the first balanced valve, the second balanced valve；
The oil inlet of the duplex pump is connected to the fuel tank, the oil outlet of the main oil pump of the duplex pump through the first ball valve
The first hydraulic fluid port of the two-bit triplet solenoid valve is connected to, the second hydraulic fluid port of the two-bit triplet solenoid valve connects the first check valve
Oil inlet；
The oil outlet of the auxiliary oil pump of the duplex pump is directly connected to the oil inlet of first check valve, and described first is single
The first hydraulic fluid port of the oil inlet of the proportional pressure control valve, first solenoid directional control valve is connected respectively to the oil outlet of valve；
Second hydraulic fluid port of first solenoid directional control valve is connected to the reverse hydraulic fluid port of jacking cylinder through first balanced valve,
3rd hydraulic fluid port of first solenoid directional control valve is connected to the positive hydraulic fluid port of the jacking cylinder through second balanced valve；It is described
First balanced valve is also connected to the oil inlet of first shut-off valve；Second balanced valve is also connected to second shut-off valve
Oil inlet；
The 3rd hydraulic fluid port of the two-bit triplet solenoid valve in hydraulic device, the proportional pressure control valve are jacked described in four groups
Oil outlet, the 4th hydraulic fluid port of first solenoid directional control valve, the oil outlet of first shut-off valve, second shut-off valve go out
Hydraulic fluid port connects back to the fuel tank by oil return line.
In the present invention, the oil outlet of first check valve is connected with the first charge oil pressure sensor.The jacking oil
Cylinder has jacking cylinder displacement sensor.
The oil outlet of first balanced valve and the oil outlet of the second balanced valve are connected to jacking first pressure sensing
Device and jacking second pressure sensor.
In the present invention, cooler and filter are serially connected with the position close to fuel tank on the oil return line.
The fuel tank has liquid level gauge, liquid level relay, air filter and temperature sensor.
The fuel tank is connected with the second ball valve, the oil outlet of second ball valve and enters the oil return before the cooler
The 3rd shut-off valve is also associated between pipeline.
Using above-mentioned technical proposal, the present invention has smoothly smoothly is lifted to platform by super large jumbo from ground
The advantages of face.
Brief description of the drawings
The present invention is described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the hydraulic schematic of the present invention.
Embodiment
As shown in Figure 1, the hydraulic system that the driving equipment of the present invention rises, including 1, four jacking cylinder 20, four of fuel tank
Group jacking hydraulic device 201,202,203,204.Four jacking cylinders 20, which are installed at four angles of super large jumbo, to be used for
Jack super large jumbo.
Include in every group of jacking hydraulic device the duplex pump 8 driven by speed regulating motor 7, two-bit triplet solenoid valve 32,
Proportional pressure control valve 12, the first solenoid directional control valve 161, the first shut-off valve 311, the second shut-off valve 312, the first balanced valve 291, second
Balanced valve 292.
Wherein, the oil inlet of duplex pump 8 is connected to fuel tank 1, the oil outlet of the main oil pump of duplex pump 8 through the first ball valve 151
The first hydraulic fluid port of two-bit triplet solenoid valve 32 is connected to, the second hydraulic fluid port of two-bit triplet solenoid valve 32 connects the first check valve 111
Oil inlet.
The oil outlet of the auxiliary oil pump of duplex pump 8 is directly connected to the oil inlet of the first check valve 111, the first check valve 111
Oil outlet be connected respectively to the oil inlet of proportional pressure control valve 12, the first hydraulic fluid port of the first solenoid directional control valve 161.
The oil outlet of first check valve 111 is also associated with the first charge oil pressure sensor 141 and pressure gauge 17.
Second hydraulic fluid port of the first solenoid directional control valve 161 is connected to the reverse hydraulic fluid port of jacking cylinder through the first balanced valve 291, the
3rd hydraulic fluid port of one solenoid directional control valve 161 is connected to the positive hydraulic fluid port of jacking cylinder through the second balanced valve 292.First balanced valve
291 are also connected to the oil inlet of the first shut-off valve 311.Second balanced valve 292 is also connected to the oil inlet of the second shut-off valve 312.
Jacking cylinder 20 has jacking displacement sensor 301.The oil outlet of the oil outlet of first balanced valve 291 and the second balanced valve 292
Jacking first pressure sensor 142 and jacking second pressure sensor 143 is also respectively connected.
3rd hydraulic fluid port of the two-bit triplet solenoid valve 32 in four groups of jacking hydraulic devices 201,202,203,204, ratio are overflow
Flow the oil outlet of valve 12, the 4th hydraulic fluid port of the first solenoid directional control valve 161, the oil outlet of the first shut-off valve 311, the second shut-off valve
312 oil outlet connects oil return box 1 by oil return line.
In the present invention, the solenoid valve of duplex pump 8 must not be electric, and only main oil pump works；Solenoid valve obtains electric, main oil pump and pair oil
Pump works at the same time.
Jacking hydraulic device working method be：Speed regulating motor 7 drives duplex pump 8 to work, when two-bit triplet solenoid valve 31
The first hydraulic fluid port and the connection of the second hydraulic fluid port, the main oil pump and auxiliary oil pump of duplex pump 8 are at the same time by the first check valve 111 to jacking liquid
Pressure device fuel feeding, when the first hydraulic fluid port of two-bit triplet solenoid valve 31 and the second hydraulic fluid port end, the first hydraulic fluid port and the 3rd hydraulic fluid port connect
When, only the auxiliary oil pump of duplex pump 8 by the first check valve 111 to jacking hydraulic device fuel feeding.
Proportional pressure control valve 12 is then used for realization the pressure for changing the hydraulic oil for entering jacking hydraulic device.
When the first solenoid directional control valve 161 is being connected, for driving jacking cylinder 20 to work.
First solenoid directional control valve 161 has two kinds of getting types：When the first hydraulic fluid port of the first solenoid directional control valve 161 and the second oil
When mouth connection, the 3rd hydraulic fluid port and the 4th hydraulic fluid port connect, hydraulic oil then enters from the reverse hydraulic fluid port of jacking cylinder 20, and driving jacks oil
Cylinder 20 shortens, for the water tank 1100 that lands.When the first hydraulic fluid port of the first solenoid directional control valve 161 and the 3rd hydraulic fluid port connect, second is oily
When mouth is connected with the 4th hydraulic fluid port, hydraulic oil then enters from the positive hydraulic fluid port of jacking cylinder 20, and driving jacking cylinder 20 extends, and is used for
Water tank is jacked up.
First shut-off valve 311 and the second shut-off valve 312 are generally also in cut-off state, when jacking cylinder 20 follows movement
(at this moment since the first solenoid directional control valve 161 is in cut-off state), to avoid jacking cylinder 20 from emptying phenomenon occur, needs for this
Open the first shut-off valve 311 and the second shut-off valve 312 so that jacking cylinder 20 is connected with fuel tank 1, avoids emptying phenomenon.
On oil return line cooler 23 and filter 24 are serially connected with close to the position of fuel tank 1.
Fuel tank 1 has liquid level gauge 3, liquid level relay 4, air filter 5 and temperature sensor 6.
In addition, the second ball valve 152 oil outlet and enter cooler 23 before oil return line between be also associated with the 3rd
Shut-off valve 314.3rd shut-off valve 314 usually ends, synchronous when the first shut-off valve 311, the second shut-off valve 312 are opened
Open so that jacking cylinder 20 is connected with fuel tank 1, avoids the occurrence of above-mentioned emptying phenomenon.
By foregoing detailed description as can be seen that the present invention have smoothly super large jumbo is smoothly lifted from ground
The advantages of being raised to flat surface.
Claims (2)
1. the hydraulic system that a kind of driving equipment rises, including fuel tank, four jacking cylinders and four groups of jacking hydraulic devices；
Include the duplex pump, two-bit triplet solenoid valve, proportional overflow by speed regulating motor driving in every group of jacking hydraulic device
Valve, the first solenoid directional control valve, the first balanced valve, the second balanced valve；
The oil inlet of the duplex pump is connected to the fuel tank, the oil outlet connection of the main oil pump of the duplex pump through the first ball valve
To the first hydraulic fluid port of the two-bit triplet solenoid valve, the second hydraulic fluid port of the two-bit triplet solenoid valve connect the first check valve into
Hydraulic fluid port；
The oil outlet of the auxiliary oil pump of the duplex pump is directly connected to the oil inlet of first check valve, first check valve
Oil outlet be connected respectively to the oil inlet of the proportional pressure control valve, the first hydraulic fluid port of first solenoid directional control valve；
Second hydraulic fluid port of first solenoid directional control valve is connected to the reverse hydraulic fluid port of jacking cylinder through first balanced valve, described
3rd hydraulic fluid port of the first solenoid directional control valve is connected to the positive hydraulic fluid port of the jacking cylinder through second balanced valve；
Jacked described in four groups the 3rd hydraulic fluid port of the two-bit triplet solenoid valve in hydraulic device, the proportional pressure control valve it is fuel-displaced
Mouth, the 4th hydraulic fluid port of first solenoid directional control valve connect back to the fuel tank by oil return line, are being connect on the oil return line
The position of nearly fuel tank is serially connected with cooler and filter；
It is characterized in that：The first shut-off valve, the second shut-off valve are further included, first balanced valve is also connected to first cut-off
The oil inlet of valve, second balanced valve are also connected to the oil inlet of second shut-off valve；First shut-off valve it is fuel-displaced
Mouthful, the oil outlet of second shut-off valve connects back to the fuel tank by oil return line；
The fuel tank is connected with the second ball valve, the oil outlet of second ball valve and enters the oil return line before the cooler
Between be also associated with the 3rd shut-off valve；
The oil outlet of first check valve is connected with the first charge oil pressure sensor；
The jacking cylinder has jacking cylinder displacement sensor；The oil outlet of first balanced valve and going out for the second balanced valve
Hydraulic fluid port is connected to jacking first pressure sensor and jacking second pressure sensor.
2. the hydraulic system that driving equipment according to claim 1 rises, it is characterised in that：The fuel tank has liquid level
Meter, liquid level relay, air filter and temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833274.3A CN105605004B (en) | 2015-11-25 | 2015-11-25 | The hydraulic system that a kind of driving equipment rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510833274.3A CN105605004B (en) | 2015-11-25 | 2015-11-25 | The hydraulic system that a kind of driving equipment rises |
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| Publication Number | Publication Date |
|---|---|
| CN105605004A CN105605004A (en) | 2016-05-25 |
| CN105605004B true CN105605004B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510833274.3A Active CN105605004B (en) | 2015-11-25 | 2015-11-25 | The hydraulic system that a kind of driving equipment rises |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110889990A (en) * | 2019-12-04 | 2020-03-17 | 天津格特斯检测设备技术开发有限公司 | Tail rudder simulation training system for warships |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709474A1 (en) * | 1997-03-07 | 1998-09-10 | Rexroth Mannesmann Gmbh | Hydraulic lifting device |
| CN1699137A (en) * | 2005-05-25 | 2005-11-23 | 中国人民解放军广州军区空军工程建设局 | Global automatically controlled hydraulic jacking device and jacking method thereof |
| CN202278018U (en) * | 2011-09-16 | 2012-06-20 | 上海梅山钢铁股份有限公司 | Hydraulic control mechanism of tilting gear |
| CN203176024U (en) * | 2013-03-09 | 2013-09-04 | 山东永平再生资源有限公司 | Shearing machine hydraulic control system |
| CN103644155A (en) * | 2013-12-17 | 2014-03-19 | 上海电气电站设备有限公司 | Hydraulic actuator |
| CN204591840U (en) * | 2015-04-24 | 2015-08-26 | 王晓燕 | A kind of double hydraulic cylinder tower crane hydraulic jacking system |
| CN205190387U (en) * | 2015-11-25 | 2016-04-27 | 上海电气液压气动有限公司 | Hydraulic system that drive device rises |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112502A (en) * | 1995-10-13 | 1997-05-02 | Daikin Ind Ltd | Hydraulic device for dwelling house |
-
2015
- 2015-11-25 CN CN201510833274.3A patent/CN105605004B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709474A1 (en) * | 1997-03-07 | 1998-09-10 | Rexroth Mannesmann Gmbh | Hydraulic lifting device |
| CN1699137A (en) * | 2005-05-25 | 2005-11-23 | 中国人民解放军广州军区空军工程建设局 | Global automatically controlled hydraulic jacking device and jacking method thereof |
| CN202278018U (en) * | 2011-09-16 | 2012-06-20 | 上海梅山钢铁股份有限公司 | Hydraulic control mechanism of tilting gear |
| CN203176024U (en) * | 2013-03-09 | 2013-09-04 | 山东永平再生资源有限公司 | Shearing machine hydraulic control system |
| CN103644155A (en) * | 2013-12-17 | 2014-03-19 | 上海电气电站设备有限公司 | Hydraulic actuator |
| CN204591840U (en) * | 2015-04-24 | 2015-08-26 | 王晓燕 | A kind of double hydraulic cylinder tower crane hydraulic jacking system |
| CN205190387U (en) * | 2015-11-25 | 2016-04-27 | 上海电气液压气动有限公司 | Hydraulic system that drive device rises |
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| CN105605004A (en) | 2016-05-25 |
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