CN202130575U - Automatic height measuring system of passenger stairway - Google Patents
Automatic height measuring system of passenger stairway Download PDFInfo
- Publication number
- CN202130575U CN202130575U CN201120024551U CN201120024551U CN202130575U CN 202130575 U CN202130575 U CN 202130575U CN 201120024551 U CN201120024551 U CN 201120024551U CN 201120024551 U CN201120024551 U CN 201120024551U CN 202130575 U CN202130575 U CN 202130575U
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- Prior art keywords
- switch
- ladder
- center pillar
- lifting mechanism
- control
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- Expired - Lifetime
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Abstract
An automatic height measuring system of a passenger stairway comprises a lifting device and a control system controlling the movement of the lifting device, wherein the lifting device comprises a center post lifting mechanism arranged in the middle of a movable ladder; the upper end of the center post lifting mechanism is hinged with the movable ladder; the lower end of the center post lifting mechanism is hinged with a vehicle frame; step lifting mechanisms are arranged on two sides of the movable ladder; the lower end of each step lifting mechanism is hinged with the vehicle frame; the upper end of the step lifting mechanism is hinged with the movable ladder; guide sleeves are arranged on two sides of the movable ladder; guide posts are arranged in the guide sleeves; thorns are arranged on the guide posts; pawls, which can be clamped on the thorns, are also arranged on the guide sleeves; and the control system comprises an operation platform in a cab, an operation platform outside the cab, a control module, a center post displacement sampling switch, a step displacement sampling switch, a center post lowest position switch, a step lowest position switch and a distance measuring switch. The utility model solves the problems of complexity and slowness in the manual height operation process, and ensures that the passenger stairway can be butted with the bunker gate of an airplane accurately and fast in a short time.
Description
Technical field
The utility model relates to ladder vehicle, especially the high control system of the survey of ladder vehicle.
Background technology
Former ladder vehicle is to carry out height control through action button manually; The inconvenient operating personal of this mode carries out docking with aircraft altitude, and whether with aircraft door height suitable, operate numerous rope if needing the operator to pay close attention to constantly, be unfavorable for safe in operation.
Summary of the invention
The utility model technical matters to be solved provides the automatic height-finding system of a kind of ladder vehicle, solves manually highly butt joint complicacy, operating process slowly, can in shorter time, dock with the aircraft door accurately and fast.
For solving the problems of the technologies described above; The technical scheme of the utility model is: the automatic height-finding system of a kind of ladder vehicle; The control system that comprises jacking system, the motion of control jacking system; Said jacking system comprises is located at the middle center pillar lifting mechanism of ramp, and said center pillar lifting mechanism upper end is hinged with ramp, and lower end and vehicle frame are hinged; Said ramp both sides are provided with the ladder lifting mechanism, and said ladder lifting mechanism lower end and vehicle frame are hinged, and upper end and ramp are hinged; Said ramp both sides are equipped with in guide pin bushing, the guide pin bushing and are provided with guide pillar, and guide pillar is provided with quil, also are provided with the ratchet that can be stuck on the quil on the guide pin bushing; Said control system comprises service platform, the center pillar displacement sampling switch of being located at the outer service platform of operator's compartment, control module, collection center pillar lifting mechanism displacement, the ladder displacement sampling switch of gathering the ramp displacement, the center pillar lowest order switch of responding to center pillar lifting mechanism lowest order, the ladder lowest order switch of being located in the operator's compartment of responding to the ramp lowest order, the range finding switch of measuring the ramp height; Said in-house operation platform is provided with the indoor center pillar direction switch of control center pillar lifting mechanism motion, and said field operation platform is provided with the outdoor center pillar direction switch of control center pillar lifting mechanism motion; Said control system also comprises the change-over switch of interior service platform of control cabin or the work of field operation platform, the ladder direction switch that the control ramp goes up and down, the hand automatic selector switch that switches automatic or manual control; Said control module comprises PLC and digital quantity input/output module; Said PLC is connected with the digital quantity input/output module, and said center pillar direction switch, ladder direction switch, hand automatic selector switch, center pillar displacement sampling switch, ladder displacement sampling switch, range finding switch all are connected with said PLC; Said center pillar lowest order switch is connected with digital quantity input/output module input end with ladder lowest order switch, and digital quantity input/output module mouth is provided with the center pillar electromagnetic valve of control center pillar lifting mechanism up-down, the ladder electromagnetic valve that the control ramp goes up and down, the ladder pawl casing of control ratchet motion.
As improvement, said control system also comprises emergency stop switch, and said emergency stop switch is connected with control module.
The beneficial effect that the utility model is compared with prior art brought is:
The automatic height-finding system of ladder vehicle is the domestic initiation new technique, and it can very accurately reach the height of setting according to the automatic butt that requires of aircraft door height; Solve manually highly complicated, the operating process slowly of butt joint, can in shorter time, dock with the aircraft door accurately and fast.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model lifting device structure scheme drawing.
Fig. 3 is the utility model control system structural representation.
The specific embodiment
Below in conjunction with Figure of description the utility model is described further.
Like Fig. 1, shown in 2, the automatic height-finding system of a kind of ladder vehicle comprises the control system that jacking system, control jacking system move.Said jacking system comprises the center pillar lifting mechanism 4 of being located at ramp 1 centre, and said center pillar lifting mechanism 4 upper ends and ramp 1 are hinged, and lower end and vehicle frame are hinged; Said ramp 1 both sides are provided with ladder lifting mechanism 2, and said ladder lifting mechanism 2 lower ends and vehicle frame are hinged, and upper end and ramp 1 are hinged.Said ramp 1 both sides are equipped with and are provided with guide pillar 32 in guide pin bushing 31, the guide pin bushing, and guide pillar is provided with quil, also are provided with the ratchet 33 that can be stuck on the quil on the guide pin bushing 31.The lifting mechanism of present embodiment is hoist cylinder.
As shown in Figure 3, said control system comprises service platform, the center pillar displacement sampling switch SQ1 that is located at the outer service platform of operator's compartment, control module, collection center pillar lifting mechanism 4 displacements, the ladder displacement sampling switch SQ2 that gathers ramp 1 displacement, the center pillar lowest order switch S Q8 that responds to center pillar lifting mechanism 4 lowest orders, the ladder lowest order switch S Q9 that responds to ramp 1 lowest order that is located in the operator's compartment, the range finding switch S Q3 that measures ramp 1 height.Said in-house operation platform is provided with indoor center pillar direction switch SA8, the SA9 of control center pillar lifting mechanism 4 motions; Said field operation platform is provided with outdoor center pillar direction switch SA6, the SA7 of control center pillar lifting mechanism 4 motions.Said control system also comprises ladder direction switch SA10, the SA11 of change-over switch SA12,2 motions of control ladder lifting mechanism of service platform in the control cabin or the work of field operation platform, the hand automatic selector switch SA14 of switching automatic or manual control.Said control module comprises the digital quantity input/output module EM223 of PLC and Siemens; Said PLC is connected with digital quantity input/output module EM223, and said center pillar direction switch SA6, SA7, SA8, SA9, ladder direction switch SA10, SA11, hand automatic selector switch SA14, center pillar displacement sampling switch SQ1, ladder displacement sampling switch SQ2, range finding switch S Q3 all are connected with said PLC.Said center pillar lowest order switch S Q8 is connected with digital quantity input/output module EM223 input end with ladder lowest order switch S Q9, and digital quantity input/output module EM223 mouth is provided with ladder pawl casing YV4, the YV4 of ladder electromagnetic valve YV7 that center pillar electromagnetic valve YV9, YV10, control ramp 1 that control center pillar lifting mechanism 4 goes up and down go up and down, YV8, the motion of control ratchet.
When change-over switch is connected the in-house operation platform, by of the motion of in-house operation platform through center pillar direction switch SA8, SA9 control center pillar lifting mechanism 4;
When change-over switch is connected the field operation platform, by of the motion of field operation platform through center pillar direction switch SA6, SA7 control center pillar lifting mechanism 4.
The height that input is risen on service platform; Ladder displacement sampling switch SQ2 starts working, and ladder rises electromagnetic valve YV7 and gets electrician's work, 2 motions of ladder lifting mechanism, and ramp 1 rises; Behind the preset ED of ladder displacement sampling switch SQ2, ladder rises electromagnetic valve YV7 dead electricity, and ramp 1 stops.
Course of action falls in ramp 1 automatically:
The height that input descends on service platform; Ladder displacement sampling switch SQ2 starts working, and ladder falls electromagnetic valve YV8 and gets electrician's work, 2 motions of ladder lifting mechanism, and ramp 1 falls; When ramp 1 drops to lowest order, ladder lowest order switch S Q9 work, electromagnetic valve YV8 dead electricity falls in ladder, and ramp 1 stops.
The up-down principle of center pillar lifting mechanism 4 is the same with ladder lifting mechanism 2 up-down principles, no longer is described in detail in the present embodiment.
Claims (2)
1. automatic height-finding system of ladder vehicle; The control system that comprises jacking system, the motion of control jacking system; Said jacking system comprises is located at the middle center pillar lifting mechanism of ramp, and said center pillar lifting mechanism upper end is hinged with ramp, and lower end and vehicle frame are hinged; Said ramp both sides are provided with the ladder lifting mechanism, and said ladder lifting mechanism lower end and vehicle frame are hinged, and upper end and ramp are hinged; Said ramp both sides are equipped with in guide pin bushing, the guide pin bushing and are provided with guide pillar, and guide pillar is provided with quil, also are provided with the ratchet that can be stuck on the quil on the guide pin bushing; It is characterized in that: said control system comprises service platform, the center pillar displacement sampling switch of being located at the outer service platform of operator's compartment, control module, collection center pillar lifting mechanism displacement, the ladder displacement sampling switch of gathering the ramp displacement, the center pillar lowest order switch of responding to center pillar lifting mechanism lowest order, the ladder lowest order switch of being located in the operator's compartment of responding to the ramp lowest order, the range finding switch of measuring the ramp height; Said in-house operation platform is provided with the indoor center pillar direction switch of control center pillar lifting mechanism motion, and said field operation platform is provided with the outdoor center pillar direction switch of control center pillar lifting mechanism motion; Said control system also comprises the change-over switch of interior service platform of control cabin or the work of field operation platform, the ladder direction switch that the control ramp goes up and down, the hand automatic selector switch that switches automatic or manual control; Said control module comprises PLC and digital quantity input/output module; Said PLC is connected with the digital quantity input/output module, and said center pillar direction switch, ladder direction switch, hand automatic selector switch, center pillar displacement sampling switch, ladder displacement sampling switch, range finding switch all are connected with said PLC; Said center pillar lowest order switch is connected with digital quantity input/output module input end with ladder lowest order switch, and digital quantity input/output module mouth is provided with the center pillar electromagnetic valve of control center pillar lifting mechanism up-down, the ladder electromagnetic valve that the control ramp goes up and down, the ladder pawl casing of control ratchet motion.
2. the automatic height-finding system of a kind of ladder vehicle according to claim 1: said control system also comprises emergency stop switch, and said emergency stop switch is connected with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120024551U CN202130575U (en) | 2011-01-25 | 2011-01-25 | Automatic height measuring system of passenger stairway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120024551U CN202130575U (en) | 2011-01-25 | 2011-01-25 | Automatic height measuring system of passenger stairway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202130575U true CN202130575U (en) | 2012-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120024551U Expired - Lifetime CN202130575U (en) | 2011-01-25 | 2011-01-25 | Automatic height measuring system of passenger stairway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202130575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600849A (en) * | 2013-11-26 | 2014-02-26 | 北京康木富特科技有限公司 | Automatic dislocated-locking preventing control method for aircraft passenger stairs slide pawl |
-
2011
- 2011-01-25 CN CN201120024551U patent/CN202130575U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600849A (en) * | 2013-11-26 | 2014-02-26 | 北京康木富特科技有限公司 | Automatic dislocated-locking preventing control method for aircraft passenger stairs slide pawl |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 404100 No. 8, No. 10, block circuit, south bank, Chongqing Patentee after: Chongqing Da Hang industry Co., Ltd. Address before: 518000 Guangdong province Shenzhen City Pingshan New District Pingshan Bi Ling Dahang technology factory building area Patentee before: SHENZHEN TECHKING INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |
|
| CX01 | Expiry of patent term |