CN103640449A - Automatic leveling device and method for landing stair platform - Google Patents
Automatic leveling device and method for landing stair platform Download PDFInfo
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- CN103640449A CN103640449A CN201310720762.4A CN201310720762A CN103640449A CN 103640449 A CN103640449 A CN 103640449A CN 201310720762 A CN201310720762 A CN 201310720762A CN 103640449 A CN103640449 A CN 103640449A
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Abstract
The invention discloses an automatic leveling device for a landing stair platform. The automatic leveling device is provided with a platform, wherein the lower end of the platform is respectively supported by a lifting ladder and a fixed ladder which are respectively supported by a front support hydraulic cylinder and a rear support hydraulic cylinder. The automatic leveling device is characterized by comprising a dip angle controller, a touch switch, a front pressure controller, a rear pressure controller, a front solenoid valve, a rear solenoid valve and a leveling control system, wherein the dip angle controller, the touch switch, the front pressure controller, the rear pressure controller, the front solenoid valve and the rear solenoid valve are respectively controlled by the leveling control system; the dip angle controller is mounted on the platform; the touch switch is mounted at the front part of the platform; the front pressure controller and the front solenoid valve are arranged on a hydraulic loop of the front support hydraulic cylinder; the rear pressure controller and the rear solenoid valve are arranged on a hydraulic loop of the rear support hydraulic cylinder. The automatic leveling device has the advantages of novel structure, quickness in operation, short leveling time, small adjustment error, high leveling precision, high work efficiency and the like.
Description
Technical field
The present invention relates to special vehicle control technology field, airport, specifically a kind of for ladder vehicle platform automatic level regulator and method of adjustment.
Background technology
At present, existing ladder vehicle is the level of Mobile stairs platform for embarking or disembarking passenger that guarantees by the precision of machine design, when the aircraft of docking differing heights, due to the difference of lift height and lifting angle, only can under some specific height, guarantee the level of platform, and for most of aircraft door height, docking platform can tilt forward or backward, if the level of requirement, need to readjust supporting leg to different aircrafts and obtain more satisfactory angle, very inconvenient.Its deficiency is: 1, above-mentioned technology is without special horizontal detection facility, platform whether level only experience artificially and the precision of machine design guarantee; 2, when the different aircrafts of docking produce docking platforms and tilt, the mechanism that adjusts hoisting artificially regulates the level of platform, and alignment error is large, cannot intense adjustment; 3, can not automatically regulate the extension elongation that supports fluid cylinder, can only detect support fluid cylinder and whether be put into position, cause docking type limited; 4, front support fluid cylinder and rear support fluid cylinder are by a switch, to control two electromagnetic valves to move simultaneously, can not control respectively, cause Level tune limited.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of novel structure, swift to operate, the leveling time is short, alignment error is little, ladder vehicle platform automatic level regulator and method of adjustment that leveling precision is high, increase work efficiency.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of ladder vehicle platform automatic level regulator, be provided with platform, platform lower end is supported through companion ladder and fixed ladder respectively, companion ladder and fixed ladder support through front support fluid cylinder and rear support fluid cylinder respectively, it is characterized in that being provided with pitch angle control device, touching switch, front pressure controller, rear pressure controller, front electromagnetic valve, rear electromagnetic valve and levelling control system, described pitch angle control device, touching switch, front pressure controller, rear pressure controller, front electromagnetic valve, rear electromagnetic valve is controlled through levelling control system respectively, described pitch angle control device is arranged on platform, be beneficial to the actual attitude according to vehicle, Real-Time Monitoring platform inclination angle, detect whether level of docking platform, guarantee that platform is in the different height acquisition levels of boarding, described touching switch is arranged on platform front portion, to guarantee that platform can not cause damage to aircraft when front support fluid cylinder and the lifting of rear support fluid cylinder, the hydraulic circuit of described front support fluid cylinder is provided with front pressure controller and front electromagnetic valve, the hydraulic circuit of rear support fluid cylinder is provided with rear pressure controller and rear electromagnetic valve, be beneficial to control respectively the pressure of front support fluid cylinder and rear support fluid cylinder, according to pressure, control the extension elongation of front support fluid cylinder and rear support fluid cylinder, and can readjust extension elongation according to the output of pitch angle control device, complete leveling action, when front support fluid cylinder and rear support fluid cylinder stretch out while reaching setting pressure respectively, the power-off respectively of front electromagnetic valve and rear electromagnetic valve, front support fluid cylinder and rear support fluid cylinder no longer stretch out.
The present invention can be provided with leveling switch in levelling control system, and leveling switch is controlled respectively the action of front electromagnetic valve and rear electromagnetic valve, to realize front support fluid cylinder and rear support fluid cylinder is worked respectively.
The present invention can be provided with successively gear type pump, fil, check valve and reducing valve on hydraulic circuit, and wherein gear type pump is as the propulsion source of hydraulic circuit; Fil filtration, the hydraulic oil in safety action loop is pure, and check valve is used for preventing that from then on the hydraulic oil in other loops from refluxing, and reducing valve is used for controlling the pressure that supports loop.
The present invention also can be respectively equipped with hydraulic control one-way valve on the fluid cylinder loop between front electromagnetic valve and front support fluid cylinder and between rear electromagnetic valve and rear support fluid cylinder, to prevent that the hydraulic oil that supports loop from refluxing.
A kind of ladder vehicle platform automatic horizontal-adjusting method of the present invention, is characterized in that concrete steps are:
Press " support is put " switch on the guidance panel that is located at levelling control system, front support fluid cylinder and rear support fluid cylinder stretch out respectively, the pressure of front support fluid cylinder and rear support fluid cylinder arrives respectively the pressure value P 1 of setting, after P2, the power-off respectively of front electromagnetic valve and rear electromagnetic valve, support is put into position, when reaching after hatch door height by rising fixed ladder and side-rolling ladder implementation platform, the pitch angle control device installed on platform can detection platform level whether, and indicate the now residing state of platform by three indicator lamps of " leaning forward " " hypsokinesis " " level " that arrange on panel, press " automatic leveling " button, pitch angle control device output leveling signal, automatically carry out the leveling work of platform, if platform is to inclining, " leaning forward " indicator lamp now arranging on guidance panel is bright, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y2 is obtained is electric, front support fluid cylinder continues to stretch out, until pitch angle control device can stop action after detection platform level, after platform level, on guidance panel, " level " indicator lamp lights, if " hypsokinesis " indicator lamp is bright on guidance panel, illustrate that now docking platform recedes, press after automatic leveling button, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y4 is obtained is electric, rear support continues to stretch out, until " level " indicator lamp lights on guidance panel, after pitch angle control device detection platform level, stop action, in leveling process, unclamp " automatic leveling " button and can stop automatic leveling work, when safe anti-collision switch motion, levelling control system instruction front support fluid cylinder and rear support stop action, prevent from answering back to aircraft.
The present invention, owing to adopting said structure, has the advantages such as novel structure, swift to operate, the leveling time is short, alignment error is little, and leveling precision is high, increase work efficiency.
accompanying drawing explanation
Fig. 1 is the leveling control flow chart of background technology.
Fig. 2 is automatic leveling control flow chart of the invention process.
Fig. 3 is functional block diagram of the present invention.
Reference numeral: pitch angle control device 1, touching switch 2, front pressure controller 3, rear pressure controller 4, front electromagnetic valve 5, rear electromagnetic valve 6, levelling control system 7, leveling switch 8, front support fluid cylinder 9, rear support fluid cylinder 10.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of ladder vehicle platform automatic level regulator, be provided with platform, platform lower end is supported through companion ladder and fixed ladder respectively, companion ladder and fixed ladder support through front support fluid cylinder 9 and rear support fluid cylinder 10 respectively, it is characterized in that being provided with pitch angle control device 1, touching switch 2, front pressure controller 3, rear pressure controller 4, front electromagnetic valve 5, rear electromagnetic valve 6 and levelling control system 7, described pitch angle control device 1, touching switch 2, front pressure controller 3, rear pressure controller 4, front electromagnetic valve 5, rear electromagnetic valve 6 is controlled through levelling control system 7 respectively, described pitch angle control device 1 is arranged on platform, be beneficial to the actual attitude according to vehicle, Real-Time Monitoring platform inclination angle, detect whether level of docking platform, guarantee that platform is in the different height acquisition levels of boarding, described touching switch 2 is arranged on platform front portion, to guarantee that platform can not cause damage to aircraft when front support fluid cylinder 9 and 10 lifting of rear support fluid cylinder, the hydraulic circuit of described front support fluid cylinder 9 is provided with front pressure controller 3 and front electromagnetic valve 5, the hydraulic circuit of rear support fluid cylinder 10 is provided with rear pressure controller 4 and rear electromagnetic valve 6, be beneficial to control respectively the pressure of front support fluid cylinder 9 and rear support fluid cylinder 10, according to pressure, control the extension elongation of front support fluid cylinder 9 and rear support fluid cylinder 10, and can readjust extension elongation according to the output of pitch angle control device 1, complete leveling action, when front support fluid cylinder 9 and rear support fluid cylinder 10 stretch out while reaching setting pressure respectively, front electromagnetic valve 5 and rear electromagnetic valve 6 power-off respectively, front support fluid cylinder 9 and rear support fluid cylinder 10 no longer stretch out.
The present invention can be provided with leveling switch 8 in levelling control system 7, leveling switch 8 control respectively before 6 actions of electromagnetic valve 5 and rear electromagnetic valve, to realize front support fluid cylinder and rear support fluid cylinder is worked respectively.
Fig. 3 is for representing the hydraulic circuit of front support fluid cylinder and the action of rear support fluid cylinder, and wherein A is gear type pump, as the propulsion source of hydraulic circuit; B is fil, filtration, and the hydraulic oil in safety action loop is pure; C is check valve, prevents that from then on the hydraulic oil in other loops from refluxing; D is reducing valve, controls the pressure that supports loop; E is solenoid directional control valve, by controlling the flow direction of hydraulic oil, controls the receipts of supporting leg and puts; F is hydraulic control one-way valve, prevents that the hydraulic oil that supports loop from refluxing; G is pressure sensor, is used to provide output and supports the signal that is put into position.
Principle of work: press " support is put " switch on the guidance panel that is located at levelling control system, front support fluid cylinder and rear support fluid cylinder stretch out respectively, the pressure of front support fluid cylinder and rear support fluid cylinder arrives respectively the pressure value P 1 of setting, after P2, the power-off respectively of front electromagnetic valve and rear electromagnetic valve, support is put into position, when reaching after hatch door height by rising fixed ladder and side-rolling ladder implementation platform, the pitch angle control device installed on platform can detection platform level whether, and indicate the now residing state of platform by three indicator lamps of " leaning forward " " hypsokinesis " " level " that arrange on panel, press " automatic leveling " button, pitch angle control device output leveling signal, automatically carry out the leveling work of platform, if platform is to inclining, " leaning forward " indicator lamp now arranging on guidance panel is bright, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y2 is obtained is electric, front support fluid cylinder continues to stretch out, until pitch angle control device can stop action after detection platform level, after platform level, on guidance panel, " level " indicator lamp lights, if " hypsokinesis " indicator lamp is bright on guidance panel, illustrate that now docking platform recedes, press after automatic leveling button, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y4 is obtained is electric, rear support continues to stretch out, until " level " indicator lamp lights on guidance panel, after pitch angle control device detection platform level, stop action, in leveling process, unclamp " automatic leveling " button and can stop automatic leveling work, when safe anti-collision switch motion, levelling control system instruction front support fluid cylinder and rear support stop action, prevent from answering back to aircraft.
The present invention, owing to adopting said structure, has the advantages such as novel structure, swift to operate, the leveling time is short, alignment error is little, and leveling precision is high, increase work efficiency.
Claims (5)
1. a ladder vehicle platform automatic level regulator, be provided with platform, platform lower end is supported through companion ladder and fixed ladder respectively, companion ladder and fixed ladder support through front support fluid cylinder and rear support fluid cylinder respectively, it is characterized in that being provided with pitch angle control device, touching switch, front pressure controller, rear pressure controller, front electromagnetic valve, rear electromagnetic valve and levelling control system, described pitch angle control device, touching switch, front pressure controller, rear pressure controller, front electromagnetic valve, rear electromagnetic valve is controlled through levelling control system respectively, described pitch angle control device is arranged on platform, described touching switch is arranged on platform front portion, the hydraulic circuit of described front support fluid cylinder is provided with front pressure controller and front electromagnetic valve, the hydraulic circuit of rear support fluid cylinder is provided with rear pressure controller and rear electromagnetic valve.
2. a kind of ladder vehicle platform automatic level regulator according to claim 1, is characterized in that, in described levelling control system, leveling switch is installed, and leveling switch is controlled respectively front electromagnetic valve and rear electromagnetic valve action.
3. a kind of ladder vehicle platform automatic level regulator according to claim 1, is characterized in that being provided with successively on described hydraulic circuit gear type pump, fil, check valve and reducing valve.
4. a kind of ladder vehicle platform automatic level regulator according to claim 1, is characterized in that being respectively equipped with hydraulic control one-way valve on the fluid cylinder loop between described front electromagnetic valve and front support fluid cylinder and between rear electromagnetic valve and rear support fluid cylinder.
5. a ladder vehicle platform automatic horizontal-adjusting method, it is characterized in that concrete steps are: press " support is put " switch on the guidance panel that is located at levelling control system, front support fluid cylinder and rear support fluid cylinder stretch out respectively, the pressure of front support fluid cylinder and rear support fluid cylinder arrives respectively the pressure value P 1 of setting, after P2, the power-off respectively of front electromagnetic valve and rear electromagnetic valve, support is put into position, when reaching after hatch door height by rising fixed ladder and side-rolling ladder implementation platform, the pitch angle control device installed on platform can detection platform level whether, and indicate the now residing state of platform by three indicator lamps of " leaning forward " " hypsokinesis " " level " that arrange on panel, press " automatic leveling " button, pitch angle control device output leveling signal, automatically carry out the leveling work of platform, if platform is to inclining, " leaning forward " indicator lamp now arranging on guidance panel is bright, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y2 is obtained is electric, front support fluid cylinder continues to stretch out, until pitch angle control device can stop action after detection platform level, after platform level, on guidance panel, " level " indicator lamp lights, if " hypsokinesis " indicator lamp is bright on guidance panel, illustrate that now docking platform recedes, press after automatic leveling button, pitch angle control device can be exported leveling signal, and that electromagnetic valve Y4 is obtained is electric, rear support continues to stretch out, until " level " indicator lamp lights on guidance panel, after pitch angle control device detection platform level, stop action, in leveling process, unclamp " automatic leveling " button, leveling work stops automatically, when safe anti-collision switch motion, levelling control system instruction front support fluid cylinder and rear support stop action.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720762.4A CN103640449A (en) | 2013-12-24 | 2013-12-24 | Automatic leveling device and method for landing stair platform |
| CN201410155364.7A CN103909802B (en) | 2013-12-24 | 2014-04-18 | Ladder vehicle platform automatic level regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720762.4A CN103640449A (en) | 2013-12-24 | 2013-12-24 | Automatic leveling device and method for landing stair platform |
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| CN103640449A true CN103640449A (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310720762.4A Pending CN103640449A (en) | 2013-12-24 | 2013-12-24 | Automatic leveling device and method for landing stair platform |
| CN201410155364.7A Active CN103909802B (en) | 2013-12-24 | 2014-04-18 | Ladder vehicle platform automatic level regulator |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410155364.7A Active CN103909802B (en) | 2013-12-24 | 2014-04-18 | Ladder vehicle platform automatic level regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986044A (en) * | 2015-06-16 | 2015-10-21 | 中国民航大学 | Solar power passenger lift car |
| CN106918608A (en) * | 2015-12-24 | 2017-07-04 | 中国科学院大连化学物理研究所 | Large sample X-ray diffraction material phase analysis support |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7069611B2 (en) * | 2000-05-12 | 2006-07-04 | Infra-Structures, Inc | Regional boarding ramp for commuter aircraft |
| JP4390269B2 (en) * | 2004-09-30 | 2009-12-24 | 新明和工業株式会社 | Boarding bridge |
| CN201183611Y (en) * | 2008-03-13 | 2009-01-21 | 周吟吟 | Aerodrome ferry push car with air stair |
| CN100564987C (en) * | 2008-04-24 | 2009-12-02 | 上海交通大学 | Moving carrier automatic leveling system |
| CN102955442B (en) * | 2011-08-25 | 2016-03-30 | 中国国际海运集装箱(集团)股份有限公司 | Safety control and method |
| DE102011111446A1 (en) * | 2011-08-30 | 2013-02-28 | Losch Airport Equipment Gmbh | Feeder device i.e. lift, for aircraft, has sensor for detecting mounting of aircraft door on platform of device such that acoustic and/or optical warning signal transmitter is operated when airplane door is mounted on platform |
| CN202322060U (en) * | 2011-11-14 | 2012-07-11 | 中联重科股份有限公司 | Control system of leg-support engineering machinery |
| CN202626817U (en) * | 2011-12-16 | 2012-12-26 | 北京晟航国瑞科技有限公司 | Embarkation ladder device |
| CN103407895B (en) * | 2013-08-09 | 2015-08-12 | 长沙中联消防机械有限公司 | A kind of supporting leg method for automatically leveling, equipment, system and construction machinery and equipment |
| CN203780254U (en) * | 2013-12-24 | 2014-08-20 | 威海广泰空港设备股份有限公司 | Automatically horizontal adjusting device for passenger elevator car platform |
-
2013
- 2013-12-24 CN CN201310720762.4A patent/CN103640449A/en active Pending
-
2014
- 2014-04-18 CN CN201410155364.7A patent/CN103909802B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986044A (en) * | 2015-06-16 | 2015-10-21 | 中国民航大学 | Solar power passenger lift car |
| CN106918608A (en) * | 2015-12-24 | 2017-07-04 | 中国科学院大连化学物理研究所 | Large sample X-ray diffraction material phase analysis support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103909802A (en) | 2014-07-09 |
| CN103909802B (en) | 2016-01-27 |
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Application publication date: 20140319 |