CN204623852U - Travel three-wheel non-rod aircraft tractor - Google Patents
Travel three-wheel non-rod aircraft tractor Download PDFInfo
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- CN204623852U CN204623852U CN201520204420.1U CN201520204420U CN204623852U CN 204623852 U CN204623852 U CN 204623852U CN 201520204420 U CN201520204420 U CN 201520204420U CN 204623852 U CN204623852 U CN 204623852U
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Abstract
A kind of travel three-wheel non-rod aircraft tractor, comprise vehicle body and the riding manipulation mechanism be arranged on described vehicle body, power-driven mechanism, walking steering hardware and lifting clamp mechanism, described walking steering hardware comprises a front-wheel and two trailing wheels, described front-wheel is arranged on described body structure and is positioned on the axis of described vehicle body, described two trailing wheels are arranged on described body rear end and are symmetrical arranged centered by described axis, described riding manipulation organization establishes is on the right side of described front-wheel, and described power-driven mechanism is arranged on the left side of described front-wheel; Described lifting clamp organization establishes is at described body rear end and between described two trailing wheels, described riding manipulation mechanism is connected with described power-driven mechanism, walk steering hardware and described lifting clamp mechanism respectively, and described walking steering hardware is connected with described power-driven mechanism respectively with described lifting clamp mechanism.
Description
Technical field
The utility model relates to a kind of aircraft aircraft dispersal facilities, particularly a kind of travel three-wheel non-rod aircraft tractor.
Background technology
Present generation aircraft can slide on the ground voluntarily, turn, and what have even can also fall back.But require all to maintain enough large survival space around aircraft and the route that may pass through thereof, producing for front in engine running the zone of negative pressure, the rear that are enough to suck human body, will to spray the jet plane of dangerous high-temperature gas especially true.On the airport of place spaciousness, such condition ratio is easier to meet, but the space can carrying out operation like this on the place of relative narrowness is very limited.In view of this, the tractor truck that can carry out aircraft traction and pushing tow operation in the place of limited space seems particularly necessary.
To the aircraft towing of operation under finite space place and harsh environment, propose particular/special requirement at least in the following areas:
1) structure must be as far as possible compact, contour dimension minimally.Bodywork height restriction is especially strict, and lower height is also to control car load height of gravitational center to meet stability needs;
2) turn to circular diameter should be little as much as possible, more maneuverability;
3) enough large tractive force can be provided, to adapt to the job requirements under harsh environment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of travel three-wheel non-rod aircraft tractor that can be adapted at relatively limited place, space operation and use, not only can meet the requirement of the aspect such as commonality, reliability of towing aircraft, the requirement of operation in narrow space maneuverability can also be met.
To achieve these goals, the utility model provides a kind of travel three-wheel non-rod aircraft tractor, comprise vehicle body and be arranged on the riding manipulation mechanism on described vehicle body, power-driven mechanism, walking steering hardware and lifting clamp mechanism, wherein, described walking steering hardware comprises a front-wheel and two trailing wheels, described front-wheel is arranged on described body structure and is positioned on the axis of described vehicle body, described two trailing wheels are arranged on described body rear end and are symmetrical arranged centered by described axis, described riding manipulation organization establishes is on the right side of described front-wheel, described power-driven mechanism is arranged on the left side of described front-wheel, described lifting clamp organization establishes is at described body rear end and between described two trailing wheels, described riding manipulation mechanism is connected with described power-driven mechanism, walk steering hardware and described lifting clamp mechanism respectively, and described walking steering hardware is connected with described power-driven mechanism respectively with described lifting clamp mechanism.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described riding manipulation mechanism comprises operator platform and operator's saddle, and described operator's saddle has a forward steering position and a counter steer position respectively relative to described operator platform.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, it is described counter steer position that described forward steering position revolves turnback around described operator platform.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described power-driven mechanism comprises:
Driving engine; And
Driver train, be connected with described driving engine, comprise Variable plunger pump, slippage pump and Two Variables HM Hydraulic Motor, described slippage pump is integrated and connected on described Variable plunger pump, and described Two Variables HM Hydraulic Motor to be arranged on respectively on described trailing wheel and to be connected with described Variable plunger pump.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described walking steering hardware also comprises the divert elevator structure be arranged on described front-wheel.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described front-wheel comprises two symmetrically arranged independent wheel bodys, is connected between described two wheel bodys by wheel shaft, and described divert elevator structure comprises:
Lifting hydraulic cylinder, has the oil duct towards oil cylinder cavity of resorption in the cylinder barrel wall of described lifting hydraulic cylinder, the piston rod of described lifting hydraulic cylinder has a ball-type tail end, and described ball-type tail end is connected with described wheel shaft by a connection piece;
Vertical shaft sleeve, the outer wall being sleeved on described lifting hydraulic cylinder is connected with described lifting hydraulic cylinder by flat key, and the bottom of described vertical shaft sleeve is fixed on described wheel shaft;
Pivoting support pallet, sheathed be fixed on described lifting hydraulic cylinder outer wall and against the top of described vertical shaft sleeve;
Hydraulic steering cylinder, hinged with described vehicle body;
Pivoting support, the inner ring of described pivoting support is connected with described pivoting support pallet, and the outer ring of described pivoting support is fixed on described vehicle body; And
Spindle arm, is connected by flat key with the upper shaft of described lifting hydraulic cylinder, and piston rod and the described spindle arm of described hydraulic steering cylinder are hinged.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described walking steering driving mechanism also comprises a ratchet pump, is connected respectively by hydraulic tubing with described lifting hydraulic cylinder and hydraulic steering cylinder.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, is also provided with and is pulled mechanism, described in be pulled mechanism and be arranged on described wheel shaft.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described lifting clamp mechanism comprises:
Pallet, is symmetricly set on the axis of described body rear end;
Two compressed oil cylinders, symmetry is arranged on described pallet front end;
Two front nip rollers, symmetry is arranged on described compressed oil cylinder rear end and extends back;
Two lifting clamp oil cylinders, symmetry is arranged on the described pallet left and right sides;
Two guide rails, symmetry is arranged on described lifting clamp oil cylinder rear end and parallelly extends back; And
Niproll after two, symmetry is arranged on described two guide rails and is also inwardly oppositely arranged respectively.
Above-mentioned travel three-wheel non-rod aircraft tractor, wherein, described lifting clamp mechanism also comprises a gear type pump be connected with described driving engine, is connected respectively by the hydraulic tubing being provided with fluid control valve with described lifting clamp oil cylinder and described compressed oil cylinder.
Beneficial functional of the present utility model is:
1) compact conformation, rationally distributed, bodywork height is low, and tractive force is large, and front-wheel steering lifting integral structure, improves it and pass through performance;
2) be easy to operation, can drive front and back, be convenient to observation without cab structure, traction situation can be observed directly, ensure safety of operation.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the travel three-wheel non-rod aircraft tractor structural representation of the utility model one embodiment;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the divert elevator structure structural representation of the utility model one embodiment.
Wherein, Reference numeral
1 vehicle body
2 riding manipulation mechanisms
21 operator platfories
22 operator's saddles
3 power-driven mechanisms
31 driving engines
32 driver trains
4 walking steering hardwarees
41 front-wheels
411 wheel bodys
412 wheel shafts
42 trailing wheels
43 divert elevator structures
431 lifting hydraulic cylinders
432 vertical shaft sleeves
433 pivoting support pallets
434 hydraulic steering cylinders
435 pivoting supports
436 spindle arms
5 lifting clamp mechanisms
51 pallets
52 compressed oil cylinders
53 front nip rollers
54 lifting clamp oil cylinders
55 guide rails
Niproll after 56
6 are pulled mechanism
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in detail:
See the travel three-wheel non-rod aircraft tractor structural representation that Fig. 1 and Fig. 2, Fig. 1 are the utility model one embodiment, Fig. 2 is the birds-eye view of Fig. 1.Travel three-wheel non-rod aircraft tractor of the present utility model, the riding manipulation mechanism 2 comprising vehicle body 1 and be arranged on described vehicle body 1, power-driven mechanism 3, walking steering hardware 4 and lifting clamp mechanism 5, described walking steering hardware 4 comprises a front-wheel 41 and two trailing wheels 42, described front-wheel 41 is arranged on described vehicle body 1 front end and is positioned on the axis of described vehicle body 1, described two trailing wheels 42 are arranged on described vehicle body 1 rear end and are symmetrical arranged centered by described axis, described riding manipulation mechanism 2 is arranged on the right side of described front-wheel 41, described power-driven mechanism 3 is arranged on the left side of described front-wheel 41, described lifting clamp mechanism 5 is arranged on described vehicle body 1 rear end and between described two trailing wheels 42, described riding manipulation mechanism 2 is connected by the hydraulic tubing being connected with fluid control valve block with described power-driven mechanism 3, walk steering hardware 4 and described lifting clamp mechanism 5 respectively, and described walking steering hardware 4 is connected with described power-driven mechanism 3 respectively with described lifting clamp mechanism 5.In the present embodiment, also can be provided with and be pulled mechanism 6, described in be pulled mechanism 6 and be arranged on the wheel shaft 412 of front-wheel 41.
Wherein, described riding manipulation mechanism 2 adopts without cab structure, and comprise operator platform 21 and operator's saddle 22, operator's saddle 22 on-fixed adjustable, described operator's saddle 22 has a forward steering position and a counter steer position respectively relative to described operator platform 21.Namely operator's saddle 22 revolves turnback through right side around described operator platform 21 at described forward steering position is described counter steer position, can realize bidirectional driving.Operator platform 21 is mounted with the manually actuated control valve connecting divert elevator structure 43, move the manually actuated control valve of the hydraulic steering cylinder 434 connected in divert elevator structure 43 before adjustment operator's saddle 22, after adjustment operator's saddle 22, wheel steering and vehicle body 1 turn to and are still consistent.
In the present embodiment, described power-driven mechanism 3 comprises: driving engine 31 and driver train 32, this driver train 32 is connected with described driving engine 31, comprise Variable plunger pump, slippage pump and Two Variables HM Hydraulic Motor, described slippage pump is integrated and connected on described Variable plunger pump, and described Two Variables HM Hydraulic Motor to be arranged on respectively on described trailing wheel 42 and to be connected with described Variable plunger pump.
See the divert elevator structure structural representation that Fig. 3, Fig. 3 are the utility model one embodiment.In the present embodiment, described walking steering hardware 4 also comprises the divert elevator structure 43 be arranged on described front-wheel 41.Described front-wheel 41 comprises two symmetrically arranged independent wheel bodys 411, connected by wheel shaft 412 between described two wheel bodys 411, described divert elevator structure 43 comprises: lifting hydraulic cylinder 431, the oil duct towards oil cylinder cavity of resorption is had in the cylinder barrel wall of described lifting hydraulic cylinder 431, the piston rod of described lifting hydraulic cylinder 431 has a ball-type tail end, and described ball-type tail end is connected with described wheel shaft 412 by a connection piece; Vertical shaft sleeve 432, the outer wall being sleeved on described lifting hydraulic cylinder 431 is connected with described lifting hydraulic cylinder 431 by flat key, and the bottom of described vertical shaft sleeve 432 is fixed on described wheel shaft 412; Pivoting support pallet 433, sheathed be fixed on described lifting hydraulic cylinder 431 outer wall and against the top of described vertical shaft sleeve 432; Hydraulic steering cylinder 434, hinged with described vehicle body 1; Pivoting support 435, the inner ring of described pivoting support 435 is connected with described pivoting support pallet 433, and the outer ring of described pivoting support 435 is fixed on described vehicle body 1; And spindle arm 436, be connected by flat key with the upper shaft of described lifting hydraulic cylinder 431, piston rod and the described spindle arm 436 of described hydraulic steering cylinder 434 are hinged.
Driving engine 31 operates and drives Variable plunger pump pump oil, and hydraulic oil, after being arranged on the speed control valve between Variable plunger pump and HM Hydraulic Motor, drives HM Hydraulic Motor action, then realizes the driving walking of vehicle; Walking steering driving mechanism also can comprise a ratchet pump, connects lifting hydraulic cylinder 431 in described divert elevator structure 43 and hydraulic steering cylinder 434 respectively by the hydraulic tubing being connected to manually operated valve.The fluid that ratchet pump pumps flows into lifting hydraulic cylinder 431 after the braking integrated valve that oil circuit is arranged, first will through being arranged on the down manual maneuvering valve on oil circuit before inflow lifting hydraulic cylinder 431, this manually operated valve is three-position four-way valve, manually moving joystick makes valve block to the most left or rightmost position, correspond to the expanding-contracting action of lifting hydraulic cylinder 431 respectively, under the effect of valve inner spring, meta is automatically returned to after unclamping manipulation, at lifting hydraulic cylinder 431, place also can be provided with check valve hydraulic lock, serve the effect of fixing lifting position like this, manual control valve action is turned to be that steering dish turns to and turns to consistent with vehicle body 1 after operator's saddle 22 adjusts 180 degree, lifting hydraulic cylinder 431 is connected with wheel shaft 412, hydraulic steering cylinder 434 is connected with hydraulic steering gear, two hydraulic actuating cylinders are hinged, stretching of hydraulic steering cylinder 434 cylinder rod, the lifting hydraulic cylinder 431 in the divert elevator structure 43 hinged with it is driven to rotate, because lifting hydraulic cylinder 431 is connected with wheel shaft 412, thus achieve turning to of vehicle.The piston rod of lifting hydraulic cylinder 431 stretches out, and with front-wheel 41 for the lifting strong point, trailing wheel 42 is vehicle body 1 lifting rotation point, then the cylinder barrel of lifting hydraulic cylinder 431 stretches out from vertical shaft sleeve 432, thus realizes the rising of vehicle body 1.
Wherein, described lifting clamp mechanism 5 comprises: pallet 51, is symmetricly set on the axis of described vehicle body 1 rear end; Two compressed oil cylinders 52, symmetry is arranged on described pallet 51 front end; Two front nip rollers 53, symmetry is arranged on described compressed oil cylinder 52 rear end and extends back; Two lifting clamp oil cylinders 54, symmetry is arranged on described pallet 51 left and right sides; Two guide rails 55, symmetry is arranged on described lifting clamp oil cylinder 54 rear end and parallelly extends back; And niproll 56 after two, symmetry is arranged on described two guide rails 55 and is also inwardly oppositely arranged respectively.Described lifting clamp mechanism 5 also can comprise a gear type pump be connected with described driving engine 31, is connected respectively by the hydraulic tubing being provided with fluid control valve with described lifting clamp oil cylinder 54 and described compressed oil cylinder 52.Its principle of work is roughly as follows: driving engine 31 is as Power output driven gear pump pump oil, by being arranged on the flow direction of the control cock block hydraulic control oil on hydraulic circuit, lifting clamp mechanism 5 is made to complete the action of clamping-lifting, compression (and counteragent) aircraft nose landing gear.
The utility model have employed without cabin design, while reducing car load height, size, same riding manipulation mechanism can also be utilized to realize front and back bidirectional driving; Have employed the design of steering front wheel liftable, avoid the situation that mops floor that may cause due to ground relief etc. to occur, ensure that vehicle travels the safety in operation process.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (10)
1. a travel three-wheel non-rod aircraft tractor, comprise vehicle body and be arranged on the riding manipulation mechanism on described vehicle body, power-driven mechanism, walking steering hardware and lifting clamp mechanism, it is characterized in that, described walking steering hardware comprises a front-wheel and two trailing wheels, described front-wheel is arranged on described body structure and is positioned on the axis of described vehicle body, described two trailing wheels are arranged on described body rear end and are symmetrical arranged centered by described axis, described riding manipulation organization establishes is on the right side of described front-wheel, described power-driven mechanism is arranged on the left side of described front-wheel, described lifting clamp organization establishes is at described body rear end and between described two trailing wheels, described riding manipulation mechanism is connected with described power-driven mechanism, walk steering hardware and described lifting clamp mechanism respectively, and described walking steering hardware is connected with described power-driven mechanism respectively with described lifting clamp mechanism.
2. travel three-wheel non-rod aircraft tractor according to claim 1, is characterized in that, described riding manipulation mechanism comprises operator platform and operator's saddle, and described operator's saddle has a forward steering position and a counter steer position respectively relative to described operator platform.
3. travel three-wheel non-rod aircraft tractor according to claim 2, is characterized in that, it is described counter steer position that described forward steering position revolves turnback around described operator platform.
4. the travel three-wheel non-rod aircraft tractor according to claim 1,2 or 3, it is characterized in that, described power-driven mechanism comprises:
Driving engine; And
Driver train, be connected with described driving engine, comprise Variable plunger pump, slippage pump and Two Variables HM Hydraulic Motor, described slippage pump is integrated and connected on described Variable plunger pump, and described Two Variables HM Hydraulic Motor to be arranged on respectively on described trailing wheel and to be connected with described Variable plunger pump.
5. travel three-wheel non-rod aircraft tractor according to claim 4, is characterized in that, described walking steering hardware also comprises the divert elevator structure be arranged on described front-wheel.
6. travel three-wheel non-rod aircraft tractor according to claim 5, is characterized in that, described front-wheel comprises two symmetrically arranged independent wheel bodys, is connected between described two wheel bodys by wheel shaft, and described divert elevator structure comprises:
Lifting hydraulic cylinder, has the oil duct towards oil cylinder cavity of resorption in the cylinder barrel wall of described lifting hydraulic cylinder, the piston rod of described lifting hydraulic cylinder has a ball-type tail end, and described ball-type tail end is connected with described wheel shaft by a connection piece;
Vertical shaft sleeve, the outer wall being sleeved on described lifting hydraulic cylinder is connected with described lifting hydraulic cylinder by flat key, and the bottom of described vertical shaft sleeve is fixed on described wheel shaft;
Pivoting support pallet, sheathed be fixed on described lifting hydraulic cylinder outer wall and against the top of described vertical shaft sleeve;
Hydraulic steering cylinder, hinged with described vehicle body;
Pivoting support, the inner ring of described pivoting support is connected with described pivoting support pallet, and the outer ring of described pivoting support is fixed on described vehicle body; And
Spindle arm, is connected by flat key with the upper shaft of described lifting hydraulic cylinder, and piston rod and the described spindle arm of described hydraulic steering cylinder are hinged.
7. travel three-wheel non-rod aircraft tractor according to claim 6, is characterized in that, described walking steering driving mechanism also comprises a ratchet pump, is connected respectively by hydraulic tubing with described lifting hydraulic cylinder and hydraulic steering cylinder.
8. the travel three-wheel non-rod aircraft tractor according to claim 6 or 7, is characterized in that, be also provided with and be pulled mechanism, described in be pulled mechanism and be arranged on described wheel shaft.
9. travel three-wheel non-rod aircraft tractor according to claim 4, is characterized in that, described lifting clamp mechanism comprises:
Pallet, is symmetricly set on the axis of described body rear end;
Two compressed oil cylinders, symmetry is arranged on described pallet front end;
Two front nip rollers, symmetry is arranged on described compressed oil cylinder rear end and extends back;
Two lifting clamp oil cylinders, symmetry is arranged on the described pallet left and right sides;
Two guide rails, symmetry is arranged on described lifting clamp oil cylinder rear end and parallelly extends back; And
Niproll after two, symmetry is arranged on described two guide rails and is also inwardly oppositely arranged respectively.
10. travel three-wheel non-rod aircraft tractor according to claim 9, it is characterized in that, described lifting clamp mechanism also comprises a gear type pump be connected with described driving engine, is connected respectively by the hydraulic tubing being provided with fluid control valve with described lifting clamp oil cylinder and described compressed oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204420.1U CN204623852U (en) | 2015-04-07 | 2015-04-07 | Travel three-wheel non-rod aircraft tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204420.1U CN204623852U (en) | 2015-04-07 | 2015-04-07 | Travel three-wheel non-rod aircraft tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204623852U true CN204623852U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520204420.1U Active CN204623852U (en) | 2015-04-07 | 2015-04-07 | Travel three-wheel non-rod aircraft tractor |
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| CN (1) | CN204623852U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109071036A (en) * | 2016-03-18 | 2018-12-21 | 戈尔德霍弗股份公司 | tractor |
| CN110001991A (en) * | 2018-01-04 | 2019-07-12 | 新乡平原航空技术工程有限公司 | Clamping device and the airplane tractor for using the clamping device |
-
2015
- 2015-04-07 CN CN201520204420.1U patent/CN204623852U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109071036A (en) * | 2016-03-18 | 2018-12-21 | 戈尔德霍弗股份公司 | tractor |
| US11142341B2 (en) | 2016-03-18 | 2021-10-12 | Goldhofer Ag | Towing vehicle |
| CN109071036B (en) * | 2016-03-18 | 2022-07-15 | 戈尔德霍弗股份公司 | Tractor vehicle |
| CN110001991A (en) * | 2018-01-04 | 2019-07-12 | 新乡平原航空技术工程有限公司 | Clamping device and the airplane tractor for using the clamping device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |