CN203473252U - Aircraft tractor and front axle elevation device - Google Patents
Aircraft tractor and front axle elevation device Download PDFInfo
- Publication number
- CN203473252U CN203473252U CN201320245800.0U CN201320245800U CN203473252U CN 203473252 U CN203473252 U CN 203473252U CN 201320245800 U CN201320245800 U CN 201320245800U CN 203473252 U CN203473252 U CN 203473252U
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- China
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- propons
- vehicle frame
- oil cylinder
- connecting portion
- jacking system
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
This utility model relates to an aircraft tractor and a front axle elevation device. The aircraft tractor comprises a vehicle frame, a pilothouse installed on the vehicle frame, a chassis and at least one front axle elevation device. The pilothouse is arranged in the front of the vehicle frame; the front axle of the chassis is installed in the middle of the vehicle frame; the front axle elevation device is installed between the front axle and the vehicle frame; and the front axle elevation device is respectively connected to the front axle and the vehicle frame. The front axle elevation device of the utility model is simple in structure, flexible in use, and applicable to various vehicle frames. A scissor type structure, under the action of an oil cylinder, achieves the elevation of the vehicle frame above the front axle, improves the trafficability characteristics of the whole vehicle, and has simple operations. A trunk pistol rod can stretch out and draw back without collisions and elevation of the vehicle frame is steady. The aircraft tractor can change the height of the vehicle frame to improve the trafficability characteristics, and is applicable to various road surfaces, which make the usage more flexible.
Description
Technical field
The utility model relates to a kind of aircraft towing of Air Ground Equipment, and particularly a kind of height that can change at any time vehicle frame is to improve aircraft towing and the propons jacking system thereof of its crossing ability.
Background technology
Aircraft towing is for drawing or the vehicle of pushing tow aircraft operation, is the requisite a kind of ground handling equipment in modern airport.Because aircraft towing operation is in aircraft below, therefore require its vehicle body short, avoid bumping with aircraft.In the restricted situation of bodywork height, only reduce the requirement that the ground Clearance meets each system parts placement on vehicle.When aircraft towing traction or pushing tow aircraft, its less ground Clearance still can meet it walks on airport or the smooth ground of hangar, but when aircraft towing is walked in non-operation situation, irregular road surface can affect its crossing ability.Therefore need a kind of height that can change at any time vehicle frame to improve the aircraft towing of its crossing ability, so that aircraft towing can adapt to multiple road, use more convenient flexible.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of height that can change at any time vehicle frame to improve aircraft towing and the propons jacking system thereof of its crossing ability, so that aircraft towing can adapt to multiple road and use more convenient flexible.
To achieve these goals, the utility model provides a kind of propons jacking system for aircraft towing, wherein, described propons jacking system is arranged between the propons of described aircraft towing and the vehicle frame of described aircraft towing, and described propons jacking system is connected with described propons and described vehicle frame respectively.
Above-mentioned propons jacking system, wherein, described propons jacking system comprises attaching parts, front oil cylinder and rear oil cylinder, described attaching parts comprises vehicle frame connecting portion and propons connecting portion, one end of one end of described vehicle frame connecting portion and described propons connecting portion is hinged, the other end of described vehicle frame connecting portion is with respect to the free opening and closing of the other end of described propons connecting portion, described vehicle frame connecting portion and described vehicle frame are rigidly connected, the plunger rod end of described front oil cylinder and the plunger rod end of described rear oil cylinder are hinged with described vehicle frame connecting portion respectively, the base of described front oil cylinder and the base of described rear oil cylinder are hinged with described propons connecting portion respectively, described propons connecting portion is connected with described propons.
Above-mentioned propons jacking system, wherein, also comprises the propons steel spring being arranged on described propons, and described propons connecting portion is connected with described propons by described propons steel spring.
Above-mentioned propons jacking system, wherein, one end of one end of described vehicle frame connecting portion and described propons connecting portion is hinged by a bearing pin.
Above-mentioned propons jacking system, wherein, the stroke of described front oil cylinder is greater than the stroke of described rear oil cylinder.
Above-mentioned propons jacking system, wherein, described front oil cylinder and described rear oil cylinder are synchronized with the movement by the HYDRAULIC CONTROL SYSTEM of described aircraft towing respectively.
In order to realize better above-mentioned purpose, the utility model also provides a kind of aircraft towing, comprise vehicle frame and be arranged on operator's compartment, chassis and at least one propons jacking system on described vehicle frame, described operator's compartment is arranged on the front portion of described vehicle frame, the propons on described chassis is arranged on the middle part of described vehicle frame, wherein, described propons jacking system is the propons jacking system described in any one in the claims 1-8.
Above-mentioned aircraft towing, wherein, described aircraft towing comprises two described propons jacking systems, described propons jacking system is symmetrical set.
Beneficial functional of the present utility model is:
Propons lifting device structure of the present utility model is simple, uses flexibly, is applicable to the vehicle frame of various.Attaching parts described in the utility model is not only the power transmission instrument between propons and vehicle frame, and its scissor structure has been realized the lifting of vehicle frame above propons under the effect of oil cylinder, has improved the crossing ability of car load.Propons jacking system of the present utility model is symmetrically arranged on aircraft towing, and hydraulic ram is simple to operate, and plunger rod is flexible without impacting, and vehicle frame lifting is steady.Aircraft towing can change the height of vehicle frame at any time to improve its crossing ability, can adapt to multiple road and use more convenient flexible.
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 utility model aircraft towing structural representation;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is propons lifting device structure schematic diagram of the present utility model.
Wherein, Reference numeral
1 operator's compartment
2 vehicle frames
3 propons jacking systems
31 attaching partss
311 vehicle frame connecting portion 312 propons connecting portions
32 front oil cylinders
33 rear oil cylinders
34 bearing pins
4 chassis
41 propons 42 propons steel springs
the specific embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in detail:
Referring to Fig. 1,2 and Fig. 3, Fig. 1 is the utility model aircraft towing structural representation, the birds-eye view that Fig. 2 is Fig. 1, and Fig. 3 is propons lifting device structure schematic diagram of the present utility model.Aircraft towing of the present utility model, comprise vehicle frame 2 and be arranged on operator's compartment 1, chassis 4 and at least one propons jacking system 3 on described vehicle frame 2, described operator's compartment 1 is arranged on the front portion of described vehicle frame 2, and the propons 41 on described chassis 4 is arranged on the middle part of described vehicle frame 2.In the present embodiment, described aircraft towing is preferably symmetrical set two described propons jacking systems 3, symmetry is placed on the top of aircraft towing propons, by the synchronization telescope of four Cylinder Plunger bars of HYDRAULIC CONTROL SYSTEM the right and left, 31 opening and closing simultaneously of left and right attaching parts have been driven, thereby realized vehicle frame 2 first half pulsation-free liftings, improved the ground Clearance of car load.Be the plunger rod of current oil cylinder 32 and rear oil cylinder 33 while stretching out, drive vehicle frame connecting portion 311 to take bearing pin 34 and rotate for axle, thereby the first half of vehicle frame 2 is lifted; Propons connecting portion 312, propons steel spring 42 and propons 41 keep original position motionless.Front oil cylinder 32 and rear oil cylinder 33 expanding-contracting actions impact little, and vehicle frame 2 liftings are steady.Because the structure of other parts of this aircraft towing, composition, function etc. are more ripe prior art, and therefore not to repeat here, only propons jacking system 3 of the present utility model described in detail below.
Referring to Fig. 3, in the present embodiment, described propons jacking system 3 is arranged between the propons 41 of described aircraft towing and the vehicle frame 2 of described aircraft towing, and described propons jacking system 3 is connected with described propons 41 and described vehicle frame 2 respectively.In the present embodiment, described propons jacking system 3 comprises attaching parts 31, front oil cylinder 32 and rear oil cylinder 33, attaching parts 31 described in the utility model is the power transmission instrument between propons 41 and vehicle frame 2, and the propulsive effort of propons 41 is passed to vehicle frame 2, realizes the walking of car load.Attaching parts 31 is scissor structure, described attaching parts 31 comprises vehicle frame connecting portion 311 and propons connecting portion 312, one end of one end of described vehicle frame connecting portion 311 and described propons connecting portion 312 is hinged, the other end of described vehicle frame connecting portion 311 is with respect to the free opening and closing of the other end of described propons connecting portion 312, described vehicle frame connecting portion 311 is rigidly connected with described vehicle frame 2, the plunger rod end of described front oil cylinder 32 and the plunger rod end of described rear oil cylinder 33 are hinged with described vehicle frame 2 connecting portions respectively, the base of the base of described front oil cylinder 32 and described rear oil cylinder 33 is hinged with described propons connecting portion 312 respectively, one end of one end of described vehicle frame connecting portion 311 and described propons connecting portion 312 is preferably hinged by a bearing pin 34.Described propons connecting portion 312 is connected with described propons 41.Wherein, preferred described propons connecting portion 312 is connected with described propons 41 by a propons steel spring 42.
In the present embodiment, the stroke of described front oil cylinder 32 is greater than the stroke of described rear oil cylinder 33.And described front oil cylinder 32 is synchronized with the movement by the HYDRAULIC CONTROL SYSTEM of described aircraft towing respectively with described rear oil cylinder 33.The i.e. opening and closing of part 31 that are dynamically connected of the telescopic band by the front oil cylinder 32 of HYDRAULIC CONTROL SYSTEM of aircraft towing and the plunger rod of rear oil cylinder 33, thus realize the lifting of vehicle frame 2.
The utility model makes vehicle frame 2 can carry out lifting, therefore attaching parts 31 of the present utility model not only carries out separated by vehicle frame 2 with propons 41, make vehicle frame 2 can above propons 41, carry out lifting, can also be between vehicle frame 2 and propons 41 starting power transmitting effect, the propulsive effort of propons 41 is passed to vehicle frame 2, in the process of aircraft towing walking, the propulsive effort of propons 41 is passed to vehicle frame 2, the effect of starting power transmission, realizes the walking of car load.The utility model is simple in structure, easy to operate, has met the low requirement of aircraft towing, has improved again its crossing ability, can adapt to the requirement of multiple road.
To sum up, propons lifting device structure of the present utility model is simple, uses flexibly, is applicable to the vehicle frame of various.Attaching parts described in the utility model is not only the power transmission instrument between propons and vehicle frame, and its scissor structure has been realized the lifting of vehicle frame above propons under the effect of oil cylinder, has improved the crossing ability of car load.Propons jacking system of the present utility model is symmetrically arranged on aircraft towing, and hydraulic ram is simple to operate, and plunger rod is flexible without impacting, and vehicle frame lifting is steady.Aircraft towing can change the height of vehicle frame at any time to improve its crossing ability, can adapt to multiple road and use more convenient flexible.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. the propons jacking system for aircraft towing, it is characterized in that, described propons jacking system is arranged between the propons of described aircraft towing and the vehicle frame of described aircraft towing, described propons jacking system is connected with described propons and described vehicle frame respectively, described propons jacking system comprises attaching parts, front oil cylinder and rear oil cylinder, described attaching parts comprises vehicle frame connecting portion and propons connecting portion, one end of one end of described vehicle frame connecting portion and described propons connecting portion is hinged, the other end of described vehicle frame connecting portion is with respect to the free opening and closing of the other end of described propons connecting portion, described vehicle frame connecting portion and described vehicle frame are rigidly connected, the plunger rod end of described front oil cylinder and the plunger rod end of described rear oil cylinder are hinged with described vehicle frame connecting portion respectively, the base of described front oil cylinder and the base of described rear oil cylinder are hinged with described propons connecting portion respectively, described propons connecting portion is connected with described propons.
2. propons jacking system as claimed in claim 1, is characterized in that, also comprises the propons steel spring being arranged on described propons, and described propons connecting portion is connected with described propons by described propons steel spring.
3. propons jacking system as claimed in claim 1 or 2, is characterized in that, one end of one end of described vehicle frame connecting portion and described propons connecting portion is hinged by a bearing pin.
4. propons jacking system as claimed in claim 1 or 2, is characterized in that, the stroke of described front oil cylinder is greater than the stroke of described rear oil cylinder.
5. propons jacking system as claimed in claim 3, is characterized in that, the stroke of described front oil cylinder is greater than the stroke of described rear oil cylinder.
6. propons jacking system as claimed in claim 1 or 2, is characterized in that, described front oil cylinder and described rear oil cylinder are synchronized with the movement by the HYDRAULIC CONTROL SYSTEM of described aircraft towing respectively.
7. propons jacking system as claimed in claim 5, is characterized in that, described front oil cylinder and described rear oil cylinder are synchronized with the movement by the HYDRAULIC CONTROL SYSTEM of described aircraft towing respectively.
8. propons jacking system as claimed in claim 4, is characterized in that, described front oil cylinder and described rear oil cylinder are synchronized with the movement by the HYDRAULIC CONTROL SYSTEM of described aircraft towing respectively.
9. an aircraft towing, comprise vehicle frame and be arranged on operator's compartment, chassis and at least one propons jacking system on described vehicle frame, described operator's compartment is arranged on the front portion of described vehicle frame, the propons on described chassis is arranged on the middle part of described vehicle frame, it is characterized in that, described propons jacking system is the propons jacking system described in any one in the claims 1-8.
10. aircraft towing as claimed in claim 9, is characterized in that, described aircraft towing comprises two described propons jacking systems, and described propons jacking system is symmetrical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320245800.0U CN203473252U (en) | 2013-05-08 | 2013-05-08 | Aircraft tractor and front axle elevation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320245800.0U CN203473252U (en) | 2013-05-08 | 2013-05-08 | Aircraft tractor and front axle elevation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203473252U true CN203473252U (en) | 2014-03-12 |
Family
ID=50221634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320245800.0U Expired - Lifetime CN203473252U (en) | 2013-05-08 | 2013-05-08 | Aircraft tractor and front axle elevation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203473252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943873A (en) * | 2014-03-26 | 2015-09-30 | 中国农业机械化科学研究院 | Small aircraft carrying device and loading and transporting method |
| CN112660408A (en) * | 2020-12-19 | 2021-04-16 | 威海广泰空港设备股份有限公司 | Aviation ground boarding mobile equipment and automatic lifting docking method |
-
2013
- 2013-05-08 CN CN201320245800.0U patent/CN203473252U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943873A (en) * | 2014-03-26 | 2015-09-30 | 中国农业机械化科学研究院 | Small aircraft carrying device and loading and transporting method |
| CN104943873B (en) * | 2014-03-26 | 2017-01-25 | 中国农业机械化科学研究院 | Small aircraft carrying device and loading and transporting method |
| CN112660408A (en) * | 2020-12-19 | 2021-04-16 | 威海广泰空港设备股份有限公司 | Aviation ground boarding mobile equipment and automatic lifting docking method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
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| CX01 | Expiry of patent term |