CN208149640U - A kind of inflight meal vehicle run at a low speed - Google Patents
A kind of inflight meal vehicle run at a low speed Download PDFInfo
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- CN208149640U CN208149640U CN201820465643.7U CN201820465643U CN208149640U CN 208149640 U CN208149640 U CN 208149640U CN 201820465643 U CN201820465643 U CN 201820465643U CN 208149640 U CN208149640 U CN 208149640U
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Abstract
The utility model discloses the inflight meal vehicles that one kind can be run at a low speed, including chassis, first dynamical system and upper assembling platform assembly, first dynamical system includes engine, gearbox, power takeoff and the first drive axle, the first drive axle is fixed on chassis, first drive axle is equipped with the first traveling wheel, the first transmission shaft that power is conveyed for the first drive axle is equipped between gearbox and the first drive axle, it further include the second dynamical system, second dynamical system includes hydraulic oil container, hydraulic pump, hydraulic motor, decelerating motor, second drive axle and the second drive axle lifting device；Hydraulic pump power intake connects gearbox, and hydraulic pump oil inlet end is connected to hydraulic oil container, and hydraulic pump oil outlet is connected to by reversal valve with the second drive axle lifting device and hydraulic motor；Hydraulic motor output end is equipped with decelerating motor, and the second driving shaft that power is conveyed for the second drive axle is equipped between decelerating motor and the second drive axle；Second drive axle is equipped with the second traveling wheel.
Description
Technical field
The utility model relates to intra-airport transit vehicular field, in particular to a kind of inflight meal vehicle that can be run at a low speed.
Background technique
As modern society's air-transport industry continues to develop, ground service service equipment demand in airport is increasing, while right
The requirement of airport ground service service equipment is also higher and higher.It needs and flies when inflight meal vehicle conveys inflight meal to aircraft in airport
Cabin door directly docks, and this requires driver's extreme care is careful, vehicle is with slowly speed close to aircraft door.Often
Rule inflight meal vehicle is all to install mounting mechanism using truck chassis to convert, and minimum stabilizing speed is high.Airport drives
When member's docking aircraft, it may occur that rub the case where touching aircraft, this just needs vehicle Ultra-Low Speed to travel.
In the prior art, the usual operating method of vehicle Ultra-Low Speed traveling is：A gear is hung up, clutch pedal is depressed, then
It is raised up to semi-linkage state, the degree of clutch pedal semi-linkage is lifted by control to maintain vehicle slowly to move, is realized not
It is limited by gear and engine behavior and obtains ultralow travel speed.But the method makes the platen, driven of clutch for a long time
The state slided between disk and flywheel in partly accepting and partly rejecting quasi integration half, generation frictional heating is very big to component wear, needs frequent
Replace automobile clutch.
Utility model content
The technical problems to be solved in the utility model：Purpose of the utility model is to solve it is in the prior art not
Foot, providing one kind can run at high speed in ordinary road, and is able to achieve airport and docks the inflight meal vehicle slowly travelled when aircraft.
The technical solution of the utility model：The inflight meal vehicle that one kind described in the utility model can be run at a low speed, including
Chassis, the first dynamical system and upper assembling platform assembly, first dynamical system include engine, gearbox, power takeoff and
One drive axle, the first drive axle is fixed on the chassis, and first drive axle is equipped with the first traveling wheel, the speed change
It is equipped with the first transmission shaft for conveying power for the first drive axle between case and the first drive axle, further includes the second dynamical system, institute
Stating the second dynamical system includes hydraulic oil container, hydraulic pump, hydraulic motor, decelerating motor, the second drive axle and the second drive axle liter
Falling unit；The hydraulic pump power intake connects gearbox, and the hydraulic pump oil inlet end is connected to hydraulic oil container, described hydraulic
Pump oil outlet is connected to by reversal valve with the second drive axle lifting device and hydraulic motor；The hydraulic motor output end, which is equipped with, to be subtracted
Speed motor is equipped with the second driving shaft that power is conveyed for the second drive axle between the decelerating motor and the second drive axle；It is described
Second drive axle is equipped with the second traveling wheel.
Further, the upper assembling platform assembly includes platform assembly and safety guard, the platform assembly front end
Equipped with safety guard, the safety guard includes " D " font yielding rubber pipe and induction proximity overtravel-limit switch.
Further, after platform, which is stretched out, to be reached with a distance from restriction from aircraft, platform is automatically stopped, it is ensured that safety docking flies
Machine.The platform assembly front end is additionally provided with stroke antenna switch, and stroke antenna switch front end is equipped with rubber and touches palpus.Once
Switch front rubber antenna encounters barrier, and platform is automatically stopped, it is ensured that safety docking aircraft.
Further, the second drive axle lifting device further includes the fixed supporting leg being fixed on chassis, described
Equipped with the telescopic oil cylinder that telescopic outrigger and control telescopic outrigger are flexible in fixed supporting leg.
Further, first drive axle has two groups, and one group is installed in chassis front end, and one group is installed in the extreme end of chassis；
Second drive axle has one group, is installed in after the first drive axle of the extreme end of chassis.
The beneficial effect of the utility model compared with prior art：The present invention is equipped with the first dynamical system and the second dynamical system
System adds the second dynamical system on the basis of the first dynamical system holding vehicle original driving functions to realize that auxiliary group is gone at a slow speed
Sail function；Realize vehicle from zero to certain speed range in variable speed, so that driver is docked aircraft door safer, more
Reliably, and apparatus structure is simple, easy for installation；Platform assembly front end is equipped with safety guard, ensures that food car docking flies
Safety when machine；Platform assembly front end is additionally provided with stroke antenna switch, guarantees in the case where safety guard fails, into
One step improves safety when inflight meal vehicle docking aircraft.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of this practical new second dynamical system；
Fig. 3 is the structural schematic diagram of this practical new second drive axle.
Specific embodiment
In order to deepen the understanding of the utility model, below we will the utility model is described in further detail in conjunction with attached drawing,
The embodiment is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
As Fig. 1-Fig. 3 shows the embodiment for the inflight meal vehicle that the utility model one kind can be run at a low speed, including bottom
Disk 1, the first dynamical system and upper assembling platform assembly 2, the first dynamical system include engine 5, gearbox 6, power takeoff 7 and first
Drive axle 3, is fixed with the first drive axle 3 on chassis 1, and the first drive axle 3 is equipped with the first traveling wheel 31, gearbox 6 and the
It is equipped with the first transmission shaft for conveying power for the first drive axle between one drive axle 3, further includes the second dynamical system, the second power
System includes hydraulic oil container 8, hydraulic pump 9, hydraulic motor 10, decelerating motor 11, the second drive axle 4 and the second drive axle lifting dress
Set 40；9 power intake of hydraulic pump connects gearbox 6, and 9 oil inlet end of hydraulic pump is connected to hydraulic oil container 8,9 oil outlet of hydraulic pump
It is connected to by reversal valve 91 with the second drive axle lifting device 40 and hydraulic motor 10；10 output end of hydraulic motor is equipped with the electricity that slows down
Machine 11 is equipped with the second driving shaft that power is conveyed for the second drive axle 4 between decelerating motor 11 and the second drive axle 4；Second drives
Dynamic bridge 4 is equipped with the second traveling wheel 41.
In the present embodiment, upper assembling platform assembly 2 includes platform assembly 21 and safety guard, and platform assembly front end is set
There is safety guard, safety guard includes " D " font yielding rubber pipe and induction proximity overtravel-limit switch；When platform stretches out
At aircraft 200mm, platform is automatically stopped, it is ensured that safety docking aircraft.2 front end of platform assembly is additionally provided with stroke antenna switch,
Stroke antenna switchs front end and is equipped with rubber touching palpus.Once switch front rubber antenna encounters barrier, platform is automatically stopped, really
It ensures safety and docks aircraft；Second drive axle lifting device 40 further includes being fixed at the One On The Chassis fixed supporting leg 401, fixed
401 are equipped with telescopic outrigger 402 and control the flexible telescopic oil cylinder 403 of telescopic outrigger 402 in supporting leg；First drive axle 3 has two groups,
One group is installed in 1 front end of chassis, and one group is installed in 1 rear end of chassis；Second drive axle 4 has one group, is installed in positioned at the extreme end of chassis
The first drive axle 3 after.
The working principle of the utility model：Inflight meal vehicle when driving, is travelled far from aircraft using the first dynamical system,
Guarantee that vehicle can run at high speed in ordinary road；When inflight meal vehicle closely close aircraft, it is dynamic that vehicle enables second
Force system work, starts vehicle motor 5, and gearbox 6 is placed in neutral gear position, by power takeoff 7 from 6 power taking of gearbox, drives
Hydraulic pump 9 operates, rotary reversing valve 91, and the telescopic oil cylinder 403 that hydraulic oil drives the second drive axle 4 is extracted from hydraulic oil container 8
It stretches out, the second drive axle of band 4 declines, and the second traveling wheel 41 is made to support ground.Then rotary reversing valve 91 commutates again, by hydraulic oil
Lead to hydraulic motor 10, subtracting 11 by speed reducer, speed increases torque, and power is transferred to the second drive axle 4 by transmission shaft, is driven
Dynamic second traveling wheel, 41 rotation, pushes vehicle slowly to move；When platform stretches out adjustable from aircraft 200mm, platform is automatically stopped,
Ensure to dock aircraft safely.
The utility model has on the basis of not influencing vehicle original driving functions, newly increases a set of auxiliary group and travels function at a slow speed
Energy.Realize vehicle from zero to certain speed range in variable speed, make driver dock aircraft door it is safer, more may be used
It leans on, and apparatus structure is simple, easy for installation, does not influence the original driving functions of vehicle.
Above-mentioned specific embodiment only illustrates the technical concept and structure feature of the utility model, it is therefore intended that allow ripe
The stakeholder for knowing technique can implement accordingly, but the above content is not intended to limit the protection scope of the utility model, all
Any equivalent change or modification made by Spirit Essence according to the utility model, should all fall into the protection scope of the utility model
Within.
Claims (5)
1. the inflight meal vehicle that one kind can be run at a low speed, including chassis (1), the first dynamical system and upper assembling platform assembly (2), institute
Stating the first dynamical system includes engine (5), gearbox (6), power takeoff (7) and the first drive axle (3), on the chassis (1)
It is fixed with the first drive axle (3), first drive axle (3) is equipped with the first traveling and takes turns (31), the gearbox (6) and the
The first transmission shaft that power is conveyed for the first drive axle is equipped between one drive axle (3), it is characterised in that：It further include the second power
System, second dynamical system include hydraulic oil container (8), hydraulic pump (9), hydraulic motor (10), decelerating motor (11), second
Drive axle (4) and the second drive axle lifting device (40)；Hydraulic pump (9) power intake connects gearbox (6), the liquid
Press pump (9) oil inlet end is connected to hydraulic oil container (8), and hydraulic pump (9) oil outlet passes through reversal valve (91) and the second drive axle
Lifting device (40) is connected to hydraulic motor (10)；Hydraulic motor (10) output end is equipped with decelerating motor (11), described to subtract
The second driving shaft that power is conveyed for the second drive axle (4) is equipped between speed motor (11) and the second drive axle (4)；Described second
Drive axle (4) is equipped with the second traveling and takes turns (41).
2. the inflight meal vehicle that one kind according to claim 1 can be run at a low speed, it is characterised in that：The upper assembling platform is total
It include platform assembly (21) and safety guard at (2), the platform assembly front end is equipped with safety guard, the safety
Protective device includes " D " font yielding rubber pipe and induction proximity overtravel-limit switch.
3. the inflight meal vehicle that one kind according to claim 2 can be run at a low speed, it is characterised in that：The platform assembly
(2) front end is additionally provided with stroke antenna switch, and stroke antenna switch front end is equipped with rubber and touches palpus.
4. the inflight meal vehicle that one kind according to claim 1 can be run at a low speed, it is characterised in that：Second drive axle
Lifting device (40) further includes the fixed supporting leg (401) being fixed on chassis (1), is equipped in the fixed supporting leg (401)
The telescopic oil cylinder (403) that telescopic outrigger (402) and control telescopic outrigger (402) are stretched.
5. the inflight meal vehicle that one kind according to claim 4 can be run at a low speed, it is characterised in that：First drive axle
(3) there are two groups, one group is installed in chassis (1) front end, and one group is installed in chassis (1) rear end；Second drive axle (4) has one
Group is installed in after the first drive axle (3) of the extreme end of chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820465643.7U CN208149640U (en) | 2018-04-02 | 2018-04-02 | A kind of inflight meal vehicle run at a low speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820465643.7U CN208149640U (en) | 2018-04-02 | 2018-04-02 | A kind of inflight meal vehicle run at a low speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208149640U true CN208149640U (en) | 2018-11-27 |
Family
ID=64381224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820465643.7U Active CN208149640U (en) | 2018-04-02 | 2018-04-02 | A kind of inflight meal vehicle run at a low speed |
Country Status (1)
| Country | Link |
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| CN (1) | CN208149640U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171345A (en) * | 2019-06-18 | 2019-08-27 | 民航协发机场设备有限公司 | Chassis and vehicle with it |
| CN110341977A (en) * | 2019-07-23 | 2019-10-18 | 江苏天一机场专用设备股份有限公司 | Driving method is filled on a kind of electronic boat food vehicle |
| CN110356580A (en) * | 2019-07-23 | 2019-10-22 | 江苏天一机场专用设备股份有限公司 | Control method is filled on a kind of boat food vehicle |
| WO2021012473A1 (en) * | 2019-07-23 | 2021-01-28 | 江苏天一机场专用设备股份有限公司 | Electric aviation food vehicle |
-
2018
- 2018-04-02 CN CN201820465643.7U patent/CN208149640U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171345A (en) * | 2019-06-18 | 2019-08-27 | 民航协发机场设备有限公司 | Chassis and vehicle with it |
| CN110341977A (en) * | 2019-07-23 | 2019-10-18 | 江苏天一机场专用设备股份有限公司 | Driving method is filled on a kind of electronic boat food vehicle |
| CN110356580A (en) * | 2019-07-23 | 2019-10-22 | 江苏天一机场专用设备股份有限公司 | Control method is filled on a kind of boat food vehicle |
| WO2021012473A1 (en) * | 2019-07-23 | 2021-01-28 | 江苏天一机场专用设备股份有限公司 | Electric aviation food vehicle |
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