CN202091271U - Hydraulic slave system of moveable bridge - Google Patents
Hydraulic slave system of moveable bridge Download PDFInfo
- Publication number
- CN202091271U CN202091271U CN 201120089874 CN201120089874U CN202091271U CN 202091271 U CN202091271 U CN 202091271U CN 201120089874 CN201120089874 CN 201120089874 CN 201120089874 U CN201120089874 U CN 201120089874U CN 202091271 U CN202091271 U CN 202091271U
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- Prior art keywords
- valves
- valve
- hydraulic
- oil
- explosion
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- Expired - Fee Related
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- 239000003921 oil Substances 0.000 claims abstract description 27
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 19
- 240000000233 Melia azedarach Species 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model a hydraulic slave system of a moveable bridge, and belongs to the field of power systems of the moveable bridges. The work valves of the hydraulic slave system include four load sensitive main valves, balance valves, explosion-proof valves and two one-way throttle valves, wherein the oil inlets of the four load sensitive main valves are connected with a hydraulic oil tank through a main pump; the oil outlets of the four load sensitive main valves are connected with the rod cavity interfaces and the rodless cavity interfaces of two hydrocylinders respectively through the balance valves via two pipelines; every two of the balance valves are connected with each other; the one-way throttle valves are connected with the oil control ports of each two connected balance valves respectively; every two of the explosion-proof valves are connected with each other, and are connected with the rod cavity interfaces and the rodless cavity interfaces of the two hydrocylinders respectively; and the return oil interface on each balance valve enters into the hydraulic oil tank through a pipeline and a return oil filter. As the rodless cavity and the rod cavity of each hydrocylinder are connected with each other through one explosion-proof valve, two ends of the hydrocylinders are the same in pressure. Therefore, the follow-up synchronicity and the stability of the two hydrocylinders are fully guaranteed, the operation is safe, reliable and fast, the efficiency is high, and the hydraulic slave system is widely suitable for various heavy-duty moveable bridges.
Description
Technical field
A kind of Hydrawlic Slave System that is used for movable bridge of the utility model belongs to movable bridge power system field.
Background technique
The used power system of opening movable bridge in the past adopts winch pulling wire rope, makes the bridge floor pull-up of movable bridge, and the water surface can be opened the navigation or air flight; Or the employing motor driven gear, power is provided, make movable bridge can open navigation, the service cycle of the power system of these movable bridges is long, and aspect such as synchronism of movable bridge, Security is not ideal enough, and the outward appearance of bridge is also had a significant impact.Need now a kind of can good synchronization can guarantee that movable bridge is opened the time, life cycle is long, safeguard that the power system simple, that Security is good comes to provide good power for movable bridge.
The model utility content
The purpose of this utility model provides a kind of Hydrawlic Slave System that is used for movable bridge, to solve the synchronous and maintenance issues of hydraulic power unit in the movable bridge unlatching, for the heavy bridge equipment of movable bridge class provides well behaved power system.
The purpose of this utility model is achieved by the following scheme:
A kind of Hydrawlic Slave System that is used for movable bridge of the utility model, comprise hydraulic oil container, hydraulic jack, main pump, the oil return filter, pipe fitting and operating valve, characteristics are that operating valve is by the load-sensitive main valve, equilibrium valve, explosion-proof valve, one-way throttle valve is formed, the filler opening of four load-sensitive main valves is connected with hydraulic oil container by main pump, the oil outlet of four load-sensitive main valves through two pipelines respectively by the equilibrium valve that connects in twos respectively with the rod chamber of two hydraulic jacks, the rodless cavity interface is communicated with, two one-way throttle valves connect with the control port of the equilibrium valve that is connected in twos respectively, in twos the explosion-proof valve of Lian Jieing respectively with the rod chamber of two oil cylinders, the rodless cavity interface connects, and the oil return interface on four equilibrium valves is back to hydraulic oil container by the oil return filter by the road.
When proper functioning, pressure oil comes out from fuel tank, enter the load-sensitive main valve by main pump, enter the actuator port of equilibrium valve then, enter the rodless cavity of hydraulic jack, simultaneously, enter the control port of equilibrium valve by one-way throttle valve, the aperture of control equilibrium valve spool, the rod chamber hydraulic oil that has guaranteed hydraulic jack enters return line stably, controlling the spool aperture of the equilibrium valve on the rodless cavity of hydraulic jack simultaneously, guarantee that pressure oil enters rodless cavity stably, under the action of gravity of movable bridge, because rodless cavity and rod chamber on two hydraulic jacks couple together by explosion-proof valve respectively, make the pressure trend at two ends consistent, guaranteed the servo-actuated synchronism and the stability of two hydraulic jacks like this.And the pressure feedback of hydraulic jack is to the load-sensitive main valve, the aperture of load-sensitive main valve regulating spool is to guarantee the steady safe operation of hydraulic jack then, explosion-proof valve is connecting the rod chamber and the rodless cavity of two hydraulic jacks respectively, when pipeline breaks down suddenly, explosion-proof valve can locked hydraulic jack, can not occur hydraulic oil like this and leak suddenly, guarantee the safety of movable bridge in opening process.The design has characteristics such as motion speed is fast, operating efficiency is high, simple to operate, safe and reliable, easy for installation, is widely used in various heavily loaded movable bridges.
Description of drawings
Fig. 1 is the utility model Hydrawlic Slave System connection diagram;
Fig. 2 is the utility model equilibrium valve connection diagram;
Fig. 3 is the utility model load-sensitive main valve connection diagram.
Embodiment
How now further specify the utility model in conjunction with the accompanying drawings implements:
The utility model is a kind of Hydrawlic Slave System that is used for movable bridge, comprise hydraulic oil container 7, hydraulic jack 3, main pump 6, oil return filter 8, pipe fitting 9 and operating valve 12, operating valve 12 is made up of load-sensitive main valve 5, equilibrium valve 2, explosion-proof valve 4, one-way throttle valve 1, the oiler of main pump 6 is connected with hydraulic oil container 7, its oil outlet is connected with four load-sensitive main valves 5 by pipe fitting, and four load-sensitive main valves 5 are connected with the rod chamber interface 3a of two hydraulic jacks 3 through the 2a of equilibrium valve in twos that No. one pipe fitting 9a passes through to be connected respectively; The 2b of equilibrium valve in twos that passes through to be connected through another road pipe fitting 9b is connected with the rodless cavity interface 3b of two hydraulic jacks 3; Two one-way throttle valves 1 connect with the control port 2c of the equilibrium valve 2a, the 2b that are connected in twos respectively, explosion-proof valve 4a, the 4b of Lian Jieing is connected with rod chamber 3a, the rodless cavity interface 3b of two oil cylinders 3 respectively in twos, oil return interface on four equilibrium valves 2 links to each other through pipe fitting 9 and oil return filter 8, returns hydraulic oil container 7.
When proper functioning, pressure oil comes out from hydraulic oil container 7, enter load-sensitive main valve 5 via main pump 6 by pipe fitting 9, enter the actuator port of two equilibrium valve 2b then by pipe fitting 9b, enter the rodless cavity interface 3b of hydraulic jack 3, simultaneously, enter the control port 10 of two equilibrium valve 2a by one-way throttle valve 1, the aperture of control equilibrium valve 2a spool, the rod chamber hydraulic oil that has guaranteed hydraulic jack 3 enters pipe fitting 9 synchronously stably and filters 8 oil returns to hydraulic oil container 7 by oil return, the actuator port that enters two equilibrium valve 2a by pipe fitting 9a enters the rod chamber interface 3a of hydraulic jack 3 simultaneously, controlling the spool aperture of two equilibrium valve 2b on the rodless cavity interface 3b of hydraulic jack 3 by one-way throttle valve 1, the rodless cavity hydraulic oil that has guaranteed hydraulic jack 3 enters pipe fitting 9 synchronously stably and filters 8 oil returns to hydraulic oil container 7 by oil return; Under the action of gravity of movable bridge, because 3b of rodless cavity respectively on two hydraulic jacks 3 and rod chamber 3a couple together by explosion-proof valve 4 in twos, make the pressure trend at two ends consistent, guaranteed the servo-actuated synchronism and the stability of two hydraulic jacks 3 like this.And the pressure feedback of hydraulic jack 3 is to load-sensitive main valve 5, the aperture of load-sensitive main valve 5 regulating spools is to guarantee the steady safe operation of hydraulic jack 3 then, explosion-proof valve 4 is connecting the rod chamber 3a and the rodless cavity 3b of two hydraulic jacks 3 respectively in twos, guaranteed to break down suddenly and be at pipeline 9, explosion-proof valve 4 can locked hydraulic jack 3, can not occur hydraulic oil like this and leak suddenly, guarantee the safety of movable bridge in opening process.
The Hydrawlic Slave System that is used for movable bridge can be not more than in the time of 10s, checks the operation of hydraulic jack 3, and remains on the state that stops, in order to avoid accident occurs.
Claims (1)
1. Hydrawlic Slave System that is used for movable bridge, comprise hydraulic oil container, hydraulic jack, main pump, the oil return filter, pipe fitting and operating valve, it is characterized in that operating valve is by the load-sensitive main valve, equilibrium valve, explosion-proof valve, one-way throttle valve is formed, the filler opening of four load-sensitive main valves is connected with hydraulic oil container by main pump, the oil outlet of four load-sensitive main valves through two pipelines respectively by the equilibrium valve that connects in twos respectively with the rod chamber of two hydraulic jacks, the rodless cavity interface is communicated with, two one-way throttle valves connect with the control port of the equilibrium valve that is connected in twos respectively, in twos the explosion-proof valve of Lian Jieing respectively with the rod chamber of two oil cylinders, the rodless cavity interface connects, and the oil return interface on four equilibrium valves is back to hydraulic oil container by the oil return filter by the road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120089874 CN202091271U (en) | 2011-03-30 | 2011-03-30 | Hydraulic slave system of moveable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120089874 CN202091271U (en) | 2011-03-30 | 2011-03-30 | Hydraulic slave system of moveable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091271U true CN202091271U (en) | 2011-12-28 |
Family
ID=45366340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120089874 Expired - Fee Related CN202091271U (en) | 2011-03-30 | 2011-03-30 | Hydraulic slave system of moveable bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202091271U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291673A (en) * | 2012-02-01 | 2013-09-11 | 罗伯特·博世有限公司 | A hydraulic control arrangement |
| CN107366649A (en) * | 2017-07-21 | 2017-11-21 | 徐州徐工液压件有限公司 | A kind of large-tonnage tower crane twin-tub jacking apparatus and electrohydraulic control system |
| CN110630595A (en) * | 2019-10-08 | 2019-12-31 | 武汉武桥交通装备技术有限公司 | Hydraulic system for controlling opening bridge to stably fall to bridge support |
-
2011
- 2011-03-30 CN CN 201120089874 patent/CN202091271U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291673A (en) * | 2012-02-01 | 2013-09-11 | 罗伯特·博世有限公司 | A hydraulic control arrangement |
| CN103291673B (en) * | 2012-02-01 | 2016-09-28 | 罗伯特·博世有限公司 | Hydraulic control system |
| CN107366649A (en) * | 2017-07-21 | 2017-11-21 | 徐州徐工液压件有限公司 | A kind of large-tonnage tower crane twin-tub jacking apparatus and electrohydraulic control system |
| CN110630595A (en) * | 2019-10-08 | 2019-12-31 | 武汉武桥交通装备技术有限公司 | Hydraulic system for controlling opening bridge to stably fall to bridge support |
| CN110630595B (en) * | 2019-10-08 | 2021-03-26 | 武汉武桥交通装备技术有限公司 | Hydraulic system for controlling opening bridge to stably fall to bridge support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |