CN2703114Y - Flowing hydraulic automatic elevating and lowering ladder - Google Patents
Flowing hydraulic automatic elevating and lowering ladder Download PDFInfo
- Publication number
- CN2703114Y CN2703114Y CN 03276111 CN03276111U CN2703114Y CN 2703114 Y CN2703114 Y CN 2703114Y CN 03276111 CN03276111 CN 03276111 CN 03276111 U CN03276111 U CN 03276111U CN 2703114 Y CN2703114 Y CN 2703114Y
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- CN
- China
- Prior art keywords
- hydraulic
- hydraulic pressure
- gangway ladder
- ladder
- output interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a flowing hydraulic automatic elevating and lowering ladder, which drags a hydraulic pump to work from a spare output end of a vehicle gearbox which pulls the ladder. The spare output end is connected with a power takeoff, the ladder makes each hydraulic actuator move through each hydraulic reversing control valve, two erecting oil cylinders are arranged, and the two oil cylinders are moved respectively to complete the adjustment of use height and slope angle and support the load of the flowing hydraulic automatic elevating and lowering ladder, making the two telescopic oil cylinders move synchronously and the movable part of the ladder extend and contract to finish the adjustment of the use length of the flowing hydraulic automatic elevating and lowering ladder. A bi-directional quantitative hydraulic motor is made to work synchronously, a chain wheel which is installed on an output shaft of the bi-directional quantitative hydraulic motor is matched and rotated with a drive chain on the ladder to drag a rod wheel to drive a ladder crawler to have up and down movement in the flowing hydraulic automatic elevating and lowering ladder, and the automatic elevation and lowering of the flowing hydraulic automatic elevating and lowering ladder is completed. The utility model is mainly suitable for places where a flowing ladder is used frequently but an electric power energy resource can not be used, such as airports, harbors and field work, and the utility model is suitable for long distance conveying by connecting in series and in parallel.
Description
Affiliated technical field
The utility model relates to a kind of gangway ladder of vehicular mobile operational process, especially can realize the flow-type hydraulic pressure automatic lifting gangway ladder of the automatic lifting of the adjustment at use height, length, angle of inclination of gangway ladder and gangway ladder, is a kind of extraordinary haulage vehicle.
Background technology
Airport, the vehicle-mounted mobile gangway ladder in harbour at present can not automatic lifting, are difficult for many series, parallel and unite use, be difficult for remote and the multi-pass conveying, especially to more difficult with old, weak, sick, residual person, automation deficiency, and the escalator that uses of market at present, can not flow, adopt Electric Traction, on the airport, harbour, field work, the place of no electric energy place or inconvenient electrification can't be used, for overcoming this deficiency, and improvement project is proposed.
Summary of the invention
For overcoming present airport, the gangway ladder that the harbour vehicular flows can not automatic lifting, escalator can not flow and can not break away from Electric Traction, be difficult for series and parallel, unite and use this deficiency, the utility model provides a kind of and both can flow, and the energy automatic lifting, and do not need Electric Traction, a kind of flow-type hydraulic pressure automatic lifting gangway ladder of easy multi-platform combined use.
The technical scheme that its technical problem that solves the utility model adopts is: from drawing the gear box output end power taking of carrying car of gangway ladder, at first will carry the standby output gear of car gearbox, (carry in the car gearbox and leave this gear), operation thrust unit in the connection, adopting a year car source of the gas to promote this equipment gear is meshed with driving gear, (also can adopt hand gear to push to equipment gear) the utility model adopts and carries the promotion of car source of the gas, in a jettron both being installed and having been driven, jettron one end connects the source of the gas packet interface (threeway place) that carries on the car, and the other end connects promotion equipment gear pneumatic means.Adopt universal joint to connect the input of power takeoff at equipment gear axle output, the other end of power takeoff connects the power intake of hydraulic pump.(middle available universal joint connects, it is power takeoff that the utility model adopts, the same body structure of hydraulic pump), the hydraulic pressure input port of hydraulic pump and the following end interface of hydraulic oil container are continuous by hydraulic oil pipeline, the hydraulic pressure delivery outlet of hydraulic pump is connected by fluid pressure line with the input of each hydraulic pressure reversing control valve, the delivery outlet of each hydraulic pressure reversing control valve and each executive component: the input interface that plays perpendicular oil cylinder, telescopic oil cylinder, two-way constant displacement hydraulic motor is connected by fluid pressure line.The output interface of each hydraulic actuator, a perpendicular oil cylinder, telescopic oil cylinder, two-way constant displacement hydraulic motor is by end interface on fluid pressure line connection and the hydraulic oil container; in the fluid pressure line of each executive component, seal in hydraulic pressure overflow valve, one way valve, hydraulic cell element; with the safety and the steady operation of protection hydraulic system, carry the automobile battery power supply and carry for the safety operation supervising device and change electric energy.
Start and carry car, the jettron that closes makes and carries car gearbox equipment gear and carry the engagement of car owner's moving gear, power takeoff drags hydraulic pump works, hydraulic pump is drawn the hydraulic oil in the hydraulic fluid tank, enters the input of each hydraulic pressure reversing control valve from the hydraulic pressure delivery side of pump, sets up the hydraulic pressure energy in system.By operating each hydraulicdirectional control valve: made perpendicular cylinder action, finished the adjustment that gangway ladder uses height, angle of inclination, played perpendicular oil cylinder simultaneously and play the loading of supporting on the string ladder; Make the telescopic oil cylinder action, gangway ladder top movable part is stretched out forward or indentation, finish the length adjustment of gangway ladder; Make two-way constant displacement hydraulic motor work, sprocket wheel on the two-way constant displacement hydraulic motor axle and the chain engages on the gangway ladder are rotated, and the roller that chain drags gangway ladder rotates, and the roller rotation drags the gangway ladder crawler belt and moves up and down, and finishes the automation lifting of gangway ladder; The whole operation process can be monitored by the electronic monitoring and control system probe of installing.
The beneficial effects of the utility model are: set up the hydraulic pressure energy on the gangway ladder that flows.By two-way constant displacement hydraulic motor the gangway ladder crawler belt that carries on the car is moved up and down, finish mobile gangway ladder automatic lifting, by having adjusted perpendicular oil cylinder, stretching of telescopic oil cylinder, finish the gangway ladder height, the adjustment of angle of inclination and length can make mobile gangway ladder more than enough series connection use, expanded fed distance, use in parallel can be carried by multi-pass.Be applicable to the mobile use of airport, harbour, unregulated power place, field work.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is unitary construction figure of the present utility model.
Fig. 2 is a hydraulic schematic diagram of the present utility model.
Among the figure 1, carry car;
2, power takeoff, hydraulic pump; The utility model adopts two-in-one type.
3, hydraulic pressure reversing control valve; The utility model adopts the 3-position 4-way type, and three hydraulicdirectional control valve parallel connections are assembled into one, and is convenient to operation.
4, hydraulic oil container; Hydraulic oil source is installed in and carries the car opposite side.
5, play perpendicular oil cylinder; 2 of quantity are installed between gangway ladder and year car.
6, two-way constant displacement hydraulic motor; 2 of quantity are installed in inside, gangway ladder two.
7, telescopic oil cylinder; Two, be installed in the both sides on gangway ladder top.
8, hydraulic cell;
9, hydraulically-controlled one-way valve; Be connected on that this figure has adopted 10 in the hydraulic circuit.
10, liquid braking device; In two-way constant displacement hydraulic motor is one.
11, overflow valve; This figure installs at the opposite side that carries car.
12, fluid pressure line; Two kinds of available hydraulic flexible pipe and steel pipes.
13, photoelectricity monitoring probe; 2 of quantity.
14, gangway ladder; Adopt the mechanical transmission mechanism of escalator, change electric machine into hydraulic motor.
The specific embodiment:
The standby output gear of gearbox that will carry among the figure on the car (1) connects upward pneumatic thrust unit (standard component) and jettron; Jettron one end connects pneumatic means, and the other end connects the source of the gas three-way interface that carries on the car, and jettron is installed in the driver's cabin, this switch so that a startup year car can conveniently close; Power takeoff, hydraulic pump (2) are connected by the universal joint coupling in carrying the standby output gear of car gearbox; Coupling is continuous to refer to that the gearbox output speed of year car is consistent in the input speed of power takeoff, and the output speed of power takeoff is consistent in the input speed of hydraulic pump (2), and the power intake of hydraulic pump is connected with the output of power takeoff; The hydraulic pressure input of hydraulic pump is connected by hydraulic tube with hydraulic oil container (4) bottom interface; The hydraulic pressure delivery outlet of hydraulic pump (2) is connected through the hydraulic pressure input interface of fluid pressure line with each hydraulic pressure reversing control valve (3); The hydraulic pressure output interface of each hydraulic pressure reversing control valve (3) and each hydraulic actuator: the input interface that plays perpendicular oil cylinder (5), two-way fixed displacement motor (6), telescopic oil cylinder (7) is connected by fluid pressure line (12), and the hydraulic pressure output interface of its hydraulic actuator is through the upper interface of fluid pressure line hydraulic return fuel tank (4); Optoelectronic monitoring device (13) is carried the battery power on the car (1).
Start carrying car (1) closes and is installed in jettron in the driver's cabin, the standby output gear that carries in the middle gearbox of car (1) is meshed with the driving gear that carries car (1) gearbox, the rotation of equipment gear, drag power takeoff and hydraulic pump (2) work, hydraulic pump is drawn hydraulic oil and is transported to input with hydraulic pressure reversing control valve (3) by fluid pressure line (12) from hydraulic oil container (4), connect optoelectronic monitoring device switch, operate: the hydraulic pressure reversing control valve (3) of having operated perpendicular oil cylinder (5) moves two perpendicular oil cylinders respectively, finish height to gangway ladder (14), the adjustment at angle of inclination, two are played perpendicular oil cylinder (5), be installed in respectively between gangway ladder (4) and year car (1), the head that plays perpendicular oil cylinder is connected with gangway ladder (14) main frame, the bottom is connected with year car (a 1) carrier frame, two oil cylinders are operated respectively and can be made gangway ladder be adjusted into level, are multi-platform combined use; The hydraulicdirectional control valve (3) of operation telescopic oil cylinder (7) makes the telescopic oil cylinder action, this figure telescopic oil cylinder is two and is installed in both sides, gangway ladder top respectively, the telescopic oil cylinder head is connected with the movable part on gangway ladder (14) top, the bottom maintains static part frame with gangway ladder and is connected, and telescopic oil cylinder moves and gangway ladder (14) movable part is stretched out or indentation, finishes the adjustable height of gangway ladder; The hydraulic pressure reversing control valve (3) (this figure is a three-position four-way valve) of operating two-way constant displacement hydraulic motor (6) makes two-way constant displacement hydraulic motor (6) work, the sprocket rotation of installing on two-way constant displacement hydraulic motor (6) axle, drag chain movement in the gangway ladder, chain drags the gangway ladder interior roller and rotates, and the gangway ladder interior roller drags the gangway ladder caterpillar drive.Can change the rising or falling speed and the direction of gangway ladder by the hydraulic pressure reversing control valve, two-way constant displacement hydraulic motor (6) is installed in gangway ladder (14) two ends in gangway ladder.For guaranteeing safety, the overload protection of hydraulic system; having sealed in hydraulically-controlled one-way valve (9), overflow valve (11), hydraulic cell (8), hydraulic pressure automation (10) in fluid pressure line is one in two-way constant displacement hydraulic motor; mainly be that the gangway ladder crawler belt continues to glide and wrap rapidly dead rotating mechanism after preventing to stop, the optoelectronic monitoring probe can accurately put in place when being installed in the gangway ladder two ends for operation and be provided with.
Claims (4)
1. the vehicular gangway ladder that flows, the order coupling connects power takeoff on the standby output gear shaft that carries the car gearbox, hydraulic pump, the hydraulic pressure input end interface of hydraulic pump connects end interface under the hydraulic oil container, the hydraulic pressure output interface of hydraulic pump connects hydraulic pressure reversing control valve hydraulic pressure input end interface, hydraulic pressure reversing control valve hydraulic pressure output interface connects a hydraulic actuator and plays perpendicular oil cylinder, play perpendicular oil cylinder hydraulic output interface and connect end interface on the hydraulic oil container, seal in hydraulically-controlled one-way valve in the fluid pressure line, overflow valve, it is characterized in that: play perpendicular oil cylinder at the hydraulic pressure output interface of hydraulic pressure reversing control valve two hydraulic pressure that are connected in parallel, two hydraulically extensible oil cylinders, two hydraulic motors, its hydraulic pressure output interface connects end interface on the hydraulic oil container, seals in hydraulically-controlled one-way valve in the fluid pressure line, overflow valve, liquid braking device, hydraulic cell.For handling safety is provided with the photoelectricity supervising device.
2. flow-type hydraulic pressure automatic lifting gangway ladder according to claim 1, it is characterized in that: two hydraulic pressure play the control separately respectively of perpendicular oil cylinder, its hydraulic pressure input end interface connects hydraulic pressure reversing control valve hydraulic pressure output interface respectively, the output interface connects the fluid pressure line of end interface on the hydraulic oil container respectively, two hydraulic pressure play perpendicular oil cylinder upper end and are connected with gangway ladder under(-)chassis two ends respectively, and hydraulic pressure plays perpendicular oil cylinder lower end and is connected with year chassis framework two ends respectively.
3. flow-type hydraulic pressure automatic lifting gangway ladder according to claim 1, it is characterized in that: two hydraulically extensible oil cylinder synchronous workings, its hydraulic pressure input end interface connects the hydraulic pressure output interface of hydraulic pressure reversing control valve, the output interface connects the fluid pressure line of end interface on the hydraulic oil container, two hydraulically extensible oil cylinders are installed in both sides, gangway ladder upper end respectively, the upper end respectively with vehicle-mounted on gangway ladder movable part framework be connected, the lower end respectively with vehicle-mounted on gangway ladder standing part framework be connected.
4. flow-type hydraulic pressure automatic lifting gangway ladder according to claim 1, it is characterized in that: two hydraulic motor synchronous workings, its hydraulic pressure input end interface connects hydraulic pressure reversing control valve hydraulic pressure output interface, the output interface connects the fluid pressure line of end interface on the hydraulic oil container, two hydraulic motors are installed in respectively on the framework of gangway ladder two ends, hydraulic motor output shaft is installed sprocket wheel and is linked to each other with gangway ladder chain coupling, the gangway ladder chain links to each other with gangway ladder rotating sprocket coupling, and the gangway ladder rotating sprocket links to each other with the gangway ladder crawler belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03276111 CN2703114Y (en) | 2003-07-15 | 2003-07-15 | Flowing hydraulic automatic elevating and lowering ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03276111 CN2703114Y (en) | 2003-07-15 | 2003-07-15 | Flowing hydraulic automatic elevating and lowering ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2703114Y true CN2703114Y (en) | 2005-06-01 |
Family
ID=34755665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03276111 Expired - Fee Related CN2703114Y (en) | 2003-07-15 | 2003-07-15 | Flowing hydraulic automatic elevating and lowering ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2703114Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171961A (en) * | 2013-03-21 | 2013-06-26 | 东南电梯股份有限公司 | Inclined drift personnel long-distance transportation system |
| CN105201396A (en) * | 2015-10-30 | 2015-12-30 | 李丽芳 | Ladder realizing illumination and allowing illumination range to be adjusted |
| CN107235158A (en) * | 2017-06-06 | 2017-10-10 | 美迪斯智能装备有限公司 | Boarding vehicle gangway ladder drive assembly |
| CN111573325A (en) * | 2020-04-30 | 2020-08-25 | 启东汇斯隆机械有限公司 | Manufacturing method of marine inclined ladder |
-
2003
- 2003-07-15 CN CN 03276111 patent/CN2703114Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171961A (en) * | 2013-03-21 | 2013-06-26 | 东南电梯股份有限公司 | Inclined drift personnel long-distance transportation system |
| CN105201396A (en) * | 2015-10-30 | 2015-12-30 | 李丽芳 | Ladder realizing illumination and allowing illumination range to be adjusted |
| CN107235158A (en) * | 2017-06-06 | 2017-10-10 | 美迪斯智能装备有限公司 | Boarding vehicle gangway ladder drive assembly |
| CN107235158B (en) * | 2017-06-06 | 2023-09-19 | 中国民航技术装备有限责任公司 | Boarding vehicle gangway ladder driving assembly |
| CN111573325A (en) * | 2020-04-30 | 2020-08-25 | 启东汇斯隆机械有限公司 | Manufacturing method of marine inclined ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |