CN103671307A - Multi-protection safe boarding bridge hydraulic system - Google Patents
Multi-protection safe boarding bridge hydraulic system Download PDFInfo
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- CN103671307A CN103671307A CN201310704889.7A CN201310704889A CN103671307A CN 103671307 A CN103671307 A CN 103671307A CN 201310704889 A CN201310704889 A CN 201310704889A CN 103671307 A CN103671307 A CN 103671307A
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- hydraulic system
- oil cylinder
- connecting bridge
- proportional valve
- fuel tank
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Abstract
The invention discloses a multi-protection safe boarding bridge hydraulic system which comprises an oil tank, an electrical machine, a variable pump, a counterbalance valve, an oil cylinder and a motor. The counterbalance valve is arranged at the bottom of the oil cylinder, the electrical machine rotates and can drive the variable pump to rotate, through the linkage control of the variable pump and a proportional valve, the variable pump can suck and distribute hydraulic oil, the hydraulic oil flows to all elements through the proportional valve, the stability of a boarding bridge in the advancing or ascending and descending process is improved, a return filter and a high-pressure filter are arranged, the hydraulic oil can be filtered immediately in a staging mode, and equipment faults are reduced. Meanwhile, an alarm is arranged, the problems can be found out immediately for adjustment, when the hydraulic system breaks down, the boarding bridge can be controlled by a manual pump to retreat, an electromagnetic ball valve controls the boarding bridge to stably descend, and the safety of the boarding bridge is improved.
Description
Technical field
The present invention is applied to the connecting bridge of two leveling wheel constructions, is specifically related to a kind of connecting bridge hydraulic system with multiple protective safety type.
Background technique
Connecting bridge belongs to airport ground facility, that one end and terminal are fixed, the safe passenger route that the other end is scalable and aircraft is connected, because needs and aircraft connect, therefore must there is high safety reliability, and be the most important link of its safety assurance as the hydraulic system of its power, yet the hydraulic system of connecting bridge is unstable in the market, exist rate of fault high, and after breaking down, the security measures of connecting bridge is less, and the safety of passenger and goods has been formed to threat, even there will be the damage to aircraft.
Summary of the invention
For solving the problems of the technologies described above, we have proposed a kind of connecting bridge hydraulic system with multiple protective safety type, by changing the control structure of hydraulic system, to reach safe and reliable object.
For achieving the above object, technological scheme of the present invention is as follows:
Multiple protective safety type connecting bridge hydraulic system, comprises fuel tank, motor, and variable displacement pump, oil cylinder and motor, described electric machine rotation can drive described variable displacement pump to rotate, from liquid draw force feed in described fuel tank; Also comprise contend with valve and Proportional valve, the described valve that contends with is positioned at described oil cylinder bottom, described variable displacement pump can be dispensed to hydraulic oil in described oil cylinder and described motor through Proportional valve, LS mouth is housed on described Proportional valve, described LS mouth can feed back to pressure signal in described variable displacement pump, for described variable displacement pump, accurately distributes hydraulic oil; Described oil cylinder comprises support cylinder and oscillating oil cylinder, and described oil cylinder, described motor and described fuel tank are connected; At described Proportional valve front end, hand pump is housed, by described hand pump, described Proportional valve can directly be controlled described motor running; At described support cylinder front end, Solenoid ball valve is housed, described Solenoid ball valve joins by emergent control system and hatch door protector.
As preferably, between described variable displacement pump and described Proportional valve, be connected with high pressure filter, can filter hydraulic oil.
As preferably, between described fuel tank and described motor, described oil cylinder, be connected with return filter.
Further, on described motor and described oscillating oil cylinder, encoder is housed, on described support cylinder, inclinator is housed.
Further, on described high pressure filter and described return filter, described Proportional valve, described fuel tank, be connected with alarm, described alarm can occur that to high pressure filter and return filter filter core blocks warning respectively, the comparative example valve alarm that breaks down, occurs that to the liquid level of fuel tank and liquid temperature low liquid level and low temperature reports to the police.
Further, on described fuel tank, be provided with heater.
As preferably, described alarm is controlled by automatical control system; Described automatical control system is also connected with described encoder, inclinator and Temperature controlled heater.
Pass through technique scheme, the present invention is by utilizing the joint control of variable displacement pump and Proportional valve, variable displacement pump energy aspirated liquid force feed is also distributed hydraulic oil, through Proportional valve, flow to each element, promoted connecting bridge advance or lifting process in stability, install back flow filter and high pressure filter, can immediately filter stage by stage hydraulic oil, reduced the generation of equipment failure, alarm is set simultaneously, can immediately pinpoint the problems and adjust, when hydraulic system breaks down, can utilize hand pump to control connecting bridge retreats, Solenoid ball valve is controlled connecting bridge and is steadily declined, promoted the Security of connecting bridge.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart schematic diagram of the disclosed multiple protective safety type of the embodiment of the present invention 1 connecting bridge hydraulic system;
Fig. 2 is the disclosed multiple protective safety type of the embodiment of the present invention 1 connecting bridge hydraulic system second all flow chart schematic diagram;
Fig. 3 is the third flow chart schematic diagram of the disclosed multiple protective safety type of the embodiment of the present invention 1 connecting bridge hydraulic system.
Numeral and the represented corresponding part title of letter in figure:
1. heater; 2. fuel tank; 3. motor; 4. variable displacement pump; 5. automatical control system; 6. high pressure filter; 7.LS mouth; 8. Proportional valve; 9. encoder; 10. motor; 11. inclinators; 12. support cylinders; 13. return filters; 14. alarms; 15. oscillating oil cylinders; 16. hand pumps; 17. hatch door protectors; 18. aircraft doors; 19. Solenoid ball valves; 20. emergent control system; 21. emergency power supplies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, multiple protective safety type connecting bridge hydraulic system, comprise fuel tank 2, motor 3, variable displacement pump 4, oil cylinder and motor 10, described motor 3 rotationals drive described variable displacement pump 4 to rotate, from the interior liquid draw force feed of described fuel tank 3, also comprise contend with valve and Proportional valve 8, the described valve that contends with is positioned at described oil cylinder bottom, can continue to guarantee reliably the load of support connecting bridge, described variable displacement pump 4 can be dispensed to hydraulic oil in described oil cylinder and described motor 10 through Proportional valve 8, adopt described variable displacement pump 4 and described Proportional valve 8 joint controls, can save usefulness, reduce hydraulic fluid temperature, meet the long playing demand of connecting bridge.On described Proportional valve 8, LS mouth 7 is housed, described LS mouth 7 can feed back to pressure signal in described variable displacement pump 4, for described variable displacement pump 4, accurately distributes hydraulic oil; Described oil cylinder comprises support cylinder 12 and oscillating oil cylinder 15, described oil cylinder, described motor 10 are connected with described fuel tank 3, described motor 3 rotationals drive variable displacement pump 4 to rotate, from the interior liquid draw force feed of described fuel tank 3, hydraulic oil enters after described Proportional valve 8, controlled by described Proportional valve 8 flows in described oil cylinder and described motor 10, then again flow into fuel tank 2, simultaneously, LS mouth 7 on described Proportional valve 8 can feed back to described oil cylinder and the required flow of described motor 10 in described variable displacement pump 4, by described variable displacement pump 4, regulates fuel feeding.
As shown in Figure 2, at described Proportional valve 8 front ends, hand pump 16 is housed, when hydraulic system breaks down while quitting work, can described Proportional valve 8 is opened by controlling described hand pump 16, hydraulic oil enters described motor 10, thereby can make connecting bridge retreat.
As shown in Figure 3, at described support cylinder 12 front ends, the Solenoid ball valve 19 of two series connection is housed, on each leveling wheel, a Solenoid ball valve 19 being respectively installed is connected in series, described Solenoid ball valve 19 joins with hatch door protector 17 by emergent control system 20, when hydraulic system breaks down while quitting work, and now connecting bridge when picking state, if aircraft is because handling goods needs to decline, aircraft door 18 will be pressed onto the hatch door protector 17 of connecting bridge, now, emergent control system 20 will be opened described Solenoid ball valve 19, thereby support cylinder 12 is synchronously declined, can protect like this aircraft door 18 can be not impaired.
As preferably, between described variable displacement pump 4 and described Proportional valve 8, be connected with high pressure filter 6, can filter hydraulic oil, between described fuel tank 2 and described motor 10, described oil cylinder, be connected with return filter 13, each element in hydraulic system causes with regard to not being subject to oil contamination damaging like this, can guarantee the normal work of Proportional valve and hydraulic system completely.
Further, on described motor 10 and described oscillating oil cylinder 15, encoder 9 is housed, on described support cylinder 12, inclinator 11 is housed.
Further, on described high pressure filter 6 and described return filter 13, described Proportional valve 8, described fuel tank 2, be connected with alarm 14, described alarm 14 can occur that to high pressure filter 6 and return filter 13 filter core blocks warning respectively, the warning of breaking down of comparative example valve, occurs that to the liquid level of described fuel tank 2 and liquid temperature low liquid level and low temperature reports to the police.
Further, on described fuel tank 2, be provided with heater 1, when hydraulic system is worked under utmost point cold air is waited, temperature is during lower than 0 ℃, and the heater 1 on described fuel tank 2 will, in advance to hydraulic oil heating, guarantee the normal work of hydraulic system.
As preferably, described alarm 14 is controlled by automatical control system 5, when blocking appears in filter core, when described Proportional valve 8 breaks down or described fuel tank 2 occurs low liquid level, low temperature situation, there is alarm condition, described automatical control system 5 can make described motor 3 shut down, thereby described variable displacement pump 4 is quit work, and described Proportional valve 8 also can quit work simultaneously, forbid that hydraulic oil flows in described motor 10 and described fuel tank 2, thereby hydraulic system is shut down; Described automatical control system 5 is also connected with described encoder 9, inclinator 11 and heater 1, the survey data of described encoder 9 and described inclinator 11 can be fed back to described automatical control system 5, thereby make described automatical control system 5 control described motor 3 runnings, make described variable displacement pump 4 carry out hydraulic oil adjusting; When low temperature appears in hydraulic oil, temperature is during lower than 0 ℃, and described automatical control system 5 can be controlled described heater 1 and automatically the hydraulic oil in described fuel tank 2 be heated.
Further; described emergent control system 20 is also connected with emergency power supply 21, and when aircraft door 18 will be pressed onto the hatch door protector 17 of connecting bridge, emergency power supply 21 can automatically be opened under the control of described emergent control system 20; so that cargo security transportation, personal security is withdrawn.
Above-described is only the preferred implementation of multiple protective safety type connecting bridge hydraulic system of the present invention; should be understood that; for the person of ordinary skill of the art; without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. multiple protective safety type connecting bridge hydraulic system, is characterized in that, comprises fuel tank, motor, and variable displacement pump, oil cylinder and motor, described electric machine rotation can drive described variable displacement pump to rotate, from liquid draw force feed in described fuel tank; Also comprise contend with valve and Proportional valve, the described valve that contends with is positioned at described oil cylinder bottom, described variable displacement pump can be dispensed to hydraulic oil in described oil cylinder and described motor through Proportional valve, LS mouth is housed on described Proportional valve, described LS mouth can feed back to pressure signal in described variable displacement pump, for described variable displacement pump, accurately distributes hydraulic oil; Described oil cylinder comprises support cylinder and oscillating oil cylinder, and described oil cylinder, described motor and described fuel tank are connected; At described Proportional valve front end, hand pump is housed, by described hand pump, described Proportional valve can directly be controlled described motor running; At described support cylinder front end, Solenoid ball valve is housed, described Solenoid ball valve joins by emergent control system and hatch door protector.
2. multiple protective safety type connecting bridge hydraulic system according to claim 1, is characterized in that, between described variable displacement pump and described Proportional valve, is connected with high pressure filter, can filter hydraulic oil.
3. multiple protective safety type connecting bridge hydraulic system according to claim 2, is characterized in that, between described fuel tank and described motor, described oil cylinder, is connected with return filter.
4. multiple protective safety type connecting bridge hydraulic system according to claim 1, is characterized in that, on described motor and described oscillating oil cylinder, encoder is housed, and on described support cylinder, inclinator is housed.
5. multiple protective safety type connecting bridge hydraulic system according to claim 1; it is characterized in that; on described high pressure filter and described return filter, described Proportional valve, described fuel tank, be connected with alarm; described alarm can occur that to high pressure filter and return filter filter core blocks warning respectively; the warning of breaking down of comparative example valve, occurs that to the liquid level of fuel tank and liquid temperature low liquid level and low temperature reports to the police.
6. according to the multiple protective safety type connecting bridge hydraulic system described in any one in claim 1 to 5, it is characterized in that, on described fuel tank, be provided with heater.
7. multiple protective safety type connecting bridge hydraulic system according to claim 6, is characterized in that, described alarm is controlled by automatical control system; Described automatical control system is also connected with described encoder, inclinator and Temperature controlled heater.
8. multiple protective safety type connecting bridge hydraulic system according to claim 1, is characterized in that, described emergent control system is also connected with emergency power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704889.7A CN103671307B (en) | 2013-12-20 | 2013-12-20 | Multi-protection safe boarding bridge hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310704889.7A CN103671307B (en) | 2013-12-20 | 2013-12-20 | Multi-protection safe boarding bridge hydraulic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671307A true CN103671307A (en) | 2014-03-26 |
| CN103671307B CN103671307B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310704889.7A Expired - Fee Related CN103671307B (en) | 2013-12-20 | 2013-12-20 | Multi-protection safe boarding bridge hydraulic system |
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| CN (1) | CN103671307B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264830A (en) * | 2017-07-31 | 2017-10-20 | 威海广泰空港设备股份有限公司 | Air Ground Equipment active safety docks aircraft system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946373A (en) * | 1961-07-28 | 1964-01-15 | Barogenics Inc | Sealing assembly |
| CN2734624Y (en) * | 2003-11-03 | 2005-10-19 | 威海广泰空港设备股份有限公司 | Aviation ground facility hydrostatic open wheel edge driven walking system |
| US20060032005A1 (en) * | 2003-03-07 | 2006-02-16 | Dew Engineering And Development Limited | Supplemental lift system for an over-the-wing passenger boarding bridge |
| CN101860045A (en) * | 2009-04-07 | 2010-10-13 | 深圳中集天达空港设备有限公司 | Boarding bridge and power supply method thereof |
| CN201800921U (en) * | 2010-09-17 | 2011-04-20 | 深圳市好时代专用挂车有限公司 | Electric control hydraulic system for special vehicle capable of automatically boarding |
| CN102849225A (en) * | 2011-06-27 | 2013-01-02 | 深圳中集天达空港设备有限公司 | Safety protecting method and safety protecting device for boarding bridge traveling system |
| CN102955442A (en) * | 2011-08-25 | 2013-03-06 | 中国国际海运集装箱(集团)股份有限公司 | Safety control device and safety control method |
-
2013
- 2013-12-20 CN CN201310704889.7A patent/CN103671307B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB946373A (en) * | 1961-07-28 | 1964-01-15 | Barogenics Inc | Sealing assembly |
| US20060032005A1 (en) * | 2003-03-07 | 2006-02-16 | Dew Engineering And Development Limited | Supplemental lift system for an over-the-wing passenger boarding bridge |
| CN2734624Y (en) * | 2003-11-03 | 2005-10-19 | 威海广泰空港设备股份有限公司 | Aviation ground facility hydrostatic open wheel edge driven walking system |
| CN101860045A (en) * | 2009-04-07 | 2010-10-13 | 深圳中集天达空港设备有限公司 | Boarding bridge and power supply method thereof |
| CN201800921U (en) * | 2010-09-17 | 2011-04-20 | 深圳市好时代专用挂车有限公司 | Electric control hydraulic system for special vehicle capable of automatically boarding |
| CN102849225A (en) * | 2011-06-27 | 2013-01-02 | 深圳中集天达空港设备有限公司 | Safety protecting method and safety protecting device for boarding bridge traveling system |
| CN102955442A (en) * | 2011-08-25 | 2013-03-06 | 中国国际海运集装箱(集团)股份有限公司 | Safety control device and safety control method |
Non-Patent Citations (1)
| Title |
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| 郭会歌等: "LTQ-2000Y型旅客登机桥液压系统设计", 《机床与液压》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264830A (en) * | 2017-07-31 | 2017-10-20 | 威海广泰空港设备股份有限公司 | Air Ground Equipment active safety docks aircraft system |
| CN107264830B (en) * | 2017-07-31 | 2023-06-02 | 威海广泰空港设备股份有限公司 | Active safety docking aircraft system for aviation ground equipment |
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| Publication number | Publication date |
|---|---|
| CN103671307B (en) | 2017-02-15 |
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