CN2936925Y - Electric poleless aircraft tractor - Google Patents

Electric poleless aircraft tractor Download PDF

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Publication number
CN2936925Y
CN2936925Y CN 200620119264 CN200620119264U CN2936925Y CN 2936925 Y CN2936925 Y CN 2936925Y CN 200620119264 CN200620119264 CN 200620119264 CN 200620119264 U CN200620119264 U CN 200620119264U CN 2936925 Y CN2936925 Y CN 2936925Y
Authority
CN
China
Prior art keywords
tractor
clamping
pump
links
elevating ram
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 - Lifetime
Application number
CN 200620119264
Other languages
Chinese (zh)
Inventor
王志
聂莹
朱力平
温琦
张辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Golden Wheel Special Machine C., Ltd.
Original Assignee
Chinese Academy of Agricultural Mechanization Sciences
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chinese Academy of Agricultural Mechanization Sciences filed Critical Chinese Academy of Agricultural Mechanization Sciences
Priority to CN 200620119264 priority Critical patent/CN2936925Y/en
Application granted granted Critical
Publication of CN2936925Y publication Critical patent/CN2936925Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an electric pole-free plane propeller. Electrically powered, the propeller works through a clamping-raising device driven by a hydraulic system. The propeller has the advantages of compact structure, small volume, easy use, and low noise, low costs, low energy consumption, and low maintenance cost, and is applicable to any season.

Description

A kind of electronic non-rod aircraft tractor
Technical field
The utility model relates to a kind of aircraft tractor, is specifically related to a kind of electronic non-rod aircraft tractor.
Background technology
Present aircraft tractor (car) is pressed power genealogical classification, mainly can be divided into two kinds of combustion engine powered and motor powers; Mainly can be divided into three kinds of hydraulic transmission, hydrostatic drive and power drive by driving system classification; The work actuating unit is divided into two kinds on bar and no bar.
Aircraft tractor (car) type of drive has had very big development, and pure mechanical drive has now withdrawed from the use stage substantially, and electric tramsmission is also used seldom owing to some crucial auxiliary equipment out of reach practical level.What present aircraft towing major part adopted is hydraulic transmission and hydrostatic transmissions mode, and the latter is the trend of development.
The mode of traction of aircraft tractor (car) has also had very big development, and dividing has two kinds of bar mode of traction and no bar mode of traction.Have that bar mode of traction shortcoming is that flexible property is poor, poor stability, commonality is poor, vehicle body is heavier etc.No bar mode of traction is to develop more a kind of advanced person's mode of traction at present in the world.No rod-type aircraft traction (towbarlesstractor is called for short TLT) is with himself distinctive cover clamping-lifting device the nose-gear of aircraft to be carried a load on the back on the tractor truck, and finishes the mobile of aircraft.
At home, as power, adopt has the traction of bar mode of traction to existing tractor (car) major part with combustion engine, and mode of traction is relatively backward.At some special occasions, be that the tractor (car) of power can not be suitable in some occasions because of environmental protection, noise, problem such as explosion-proof with the combustion engine.Domesticly in recent years occur some electrically propelled traction vehicles successively, but vehicle body is than higher, volume ratio is bigger, and adopts the traction of bar mode of traction is arranged.And electronic no bar tractor is still blank at home, and is bigger with the development gap of international tractor.
Clamping-lifting device (patent No.: 92107227.9) be operating mechanism's (as shown in Figure 4) of no bar tractor (car), mainly form by clamping-elevating ram 13, front nip rollers 14, sliding sleeve 15, pallet 16, guide rail 17, back niproll 18 and compressed oil cylinder, limiting stopper etc.
During aircraft, clamping-elevating ram 13 stretches out in butt joint, with sliding sleeve 15 along guide rail 17 to extrapolation, back niproll 18 opens by spring device; Tractor truck near aircraft after, clamping-elevating ram 13 reclaims, back niproll 18 closes up along guide rail 17, embraces wheel and with its armful top tray 16; 13 continuation of clamping-elevating ram are reclaimed, and sliding sleeve 15 is advanced to and withstands limiting stopper, and the power of clamping-elevating ram 13 that continuation is reclaimed produces the moment around the guide rail fulcrum, thereby wheel is raised in pallet 16 liftings.Then compressed oil cylinder action is pushed down wheel with front roller wheel, and wheel is held tightly.When freeing aircraft, clamping-elevating ram 13 stretches out, and the front nip rollers 14 on the sliding sleeve 15 is withstood wheel to extrapolation, up to wheel being released pallet 16.
The utility model content
(1) technical matters that will solve
The objective of the invention is to provides a kind of electronic non-rod aircraft tractor at above-mentioned deficiency.
(2) technical scheme
Aircraft tractor of the present utility model adopts electric type of drive, and has introduced the no bar traction technique (patent No.: 92107227.9).Specifically, the utility model comprises vehicle body, and electric driver and hydraulically powered clamping-lifting device are installed on vehicle body.Wherein, described electric driver comprises accumulator jar and the motor that is linked to each other by lead, and described motor is connected with a gear type pump with a plunger pump, and described plunger pump is connected with hydraulic reservoir, HM Hydraulic Motor by a conduit, constitute the travel driving system of tractor, the fluid motor-driven wheel; Described clamping-lifting device comprises clamping-elevating ram, and described gear type pump links to each other with clamping-elevating ram by a conduit, for clamping-lifting device provides power.
Above-mentioned travel driving system also comprises and is connected on supravasal filter and cooling vessel.
Also be provided with a hydraulic valve on above-mentioned and gear type pump and the conduit that clamping-elevating ram links to each other, the flow direction of coming modulated pressure oil by the modulated pressure valve, thus control clamping-elevating ram is flexible.
The utility model is equipped with a vertical shaft on the front-wheel of tractor, vertical shaft links to each other with a joystick, pulls joystick, can realize turning to.
Above-mentioned plunger pump is the inclined disc type axial deflection pump of a manual servocontrolled, and the angle of swash plate swing has determined the travel direction and the velocity magnitude of tractor.Have a handgrip on the above-mentioned joystick, this handgrip links to each other with the swash plate of plunger pump by steel wire.The swash plate pivot angle of handgrip control plunger pump just can make the tractor starting, walks and stop, and need not to operate clutch and braking.
The utility model is provided with the emergency guarantee system, one manual pump promptly also is installed on vehicle body, this manual pump links to each other with clamping-elevating ram by conduit, and the hydraulic power of clamping-elevating ram is provided by manual pump when hydraulic system fails, and aircraft and tractor (car) are thrown off.
This tractor (car) can be one group of front vehicle wheel and two tricycle structures that rear wheel constitutes, and adopts the rear-guard mode.
(3) beneficial effect
The utility model tractor, compact conformation, volume is little, and is simple to operate, and noise is low, and energy consumption is low, and maintenance cost is low, is fit to use any season.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is a walking transmission scheme drawing of the present utility model;
Fig. 4 is prior art clamping-lifting device;
Fig. 5 is a work scheme drawing of the present utility model;
Among the figure: 1. joystick, 2. front vehicle wheel, 3. hydraulic oil radiator, 4. manual pump, 5. hydraulic reservoir, 6. plunger pump, 7. gear type pump, 8. motor, 9. accumulator jar, 10. clamping-lifting device, 11. rear wheel, 12. HM Hydraulic Motor, 13. clampings-elevating ram, 14. front nip rollers, 15. sliding sleeves, 16. pallets, 17 guide rails, 18. back niprolls, 19. hydraulic valves
The specific embodiment
Be that embodiment is used for further specifying of the present utility model below, but be not used for limiting the claimed scope of the utility model.
As depicted in figs. 1 and 2, integral body is become one group of front vehicle wheel 2 and two tricycle structures that rear wheel 11 is formed.Two rear wheels 11 are drive wheel, split installation, and the centre is operating mechanism's clamping-lifting device 10; 32 joint accumulator jars 9 are placed at the vehicle body middle part, and accumulator jar 9 links to each other with motor 8 by lead, and motor 8 is placed horizontally in the left front portion of car, drives Variable plunger pump 6 by elastic coupling, gear type pump 7 of plunger pump 6 rear portions series connection; The car right front portion is placed parts such as hydraulic reservoir 5, manual pump 4, hydraulic oil radiator 3 and hydraulic valve 19.Front vehicle wheel 2 is made up of two parallel installations of wheel, and a vertical shaft is installed on front vehicle wheel 2, is connected with joystick 1 on the vertical shaft, is pulled by manpower by vertical shaft and joystick 1 and realizes turning to.
In the present embodiment, plunger pump 6 and two HM Hydraulic Motor 12, hydraulic reservoir 5 and filters and a radiator 3 constitute a Closed Hydraulic travel driving system by pipeline.Motor 8 drives plunger pump 6, drives the HM Hydraulic Motor 12 of two rear wheels 11, realizes travelling; Plunger pump 6 is the inclined disc type axial deflection pump of a manual servocontrolled.Have a handgrip in the present embodiment on the joystick, this handgrip links to each other with the swash plate of plunger pump by steel wire.The swash plate pivot angle of handgrip control plunger pump just can make the tractor starting, walks and stop, and need not to operate clutch and braking.The transmission scheme drawing as shown in Figure 3.
Gear type pump 7 in the present embodiment links to each other with the clamping-elevating ram of clamping-lifting device by conduit, and above-mentioned hydraulic valve 19 is positioned on this conduit, the flow direction of modulated pressure oil by modulated pressure valve 19.
Manual pump 4 in the present embodiment links to each other with the clamping-elevating ram of clamping-lifting device by conduit, and the hydraulic power of clamping-elevating ram 13 is provided by manual pump 4 when hydraulic system fails, and aircraft and tractor (car) are thrown off.。
Principle of work is as follows: motor 8 drives the gear type pump 7 of hydraulic pressure main pump 6 back, the flow direction of modulated pressure oil by modulated pressure valve 19, and then control the flexible of clamping-elevating ram 13, make clamping-lifting device 10 finish the action of clamping-lifting (and negative actuation) aircraft nose-gear.Its work scheme drawing as shown in Figure 5.
Clamping-lifting device 10 is hingedly fixed on the vehicle frame by the yaw beam, makes clamping-lifting mechanism and vehicle frame in the swing that laterally allows certain angle, avoids not damage aircraft nose-gear when same plane of aircraft and tractor.

Claims (8)

1, a kind of electronic non-rod aircraft tractor, comprise vehicle body, it is characterized in that: electric driver and hydraulically powered clamping-lifting device are installed on vehicle body, and described electric driver comprises accumulator jar and the motor that is linked to each other by lead, and described motor is connected with a gear type pump with a plunger pump; Described plunger pump is connected with hydraulic reservoir, HM Hydraulic Motor by a conduit, constitutes the travel driving system of tractor, the fluid motor-driven wheel; Described clamping-lifting device comprises clamping-elevating ram, and described gear type pump links to each other with clamping-elevating ram by a conduit.
2, tractor as claimed in claim 1 is characterized in that described travel driving system also comprises to be connected on supravasal filter and cooling vessel.
3, tractor as claimed in claim 1 or 2 is characterized in that also being provided with a hydraulic valve on described and gear type pump and the conduit that clamping-elevating ram links to each other.
4, tractor as claimed in claim 1 or 2 is characterized in that described vehicle body is one group of front vehicle wheel and two tricycle structures that rear wheel constitutes, and adopts the rear-guard mode.
5, tractor as claimed in claim 4 is characterized in that on the front vehicle wheel of tractor a vertical shaft being installed, and vertical shaft links to each other with a joystick.
6, tractor as claimed in claim 5 is characterized in that described plunger pump is the inclined disc type axial deflection pump of manual servocontrolled.
7, tractor as claimed in claim 6 is characterized in that having a handgrip on the described joystick, and described handgrip links to each other with the swash plate of plunger pump by steel wire.
8, money lead device as claimed in claim 1 or 2 is characterized in that described clamping-elevating ram links to each other with a manual pump by conduit.
CN 200620119264 2006-08-09 2006-08-09 Electric poleless aircraft tractor Expired - Lifetime CN2936925Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620119264 CN2936925Y (en) 2006-08-09 2006-08-09 Electric poleless aircraft tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620119264 CN2936925Y (en) 2006-08-09 2006-08-09 Electric poleless aircraft tractor

Publications (1)

Publication Number Publication Date
CN2936925Y true CN2936925Y (en) 2007-08-22

Family

ID=38360946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620119264 Expired - Lifetime CN2936925Y (en) 2006-08-09 2006-08-09 Electric poleless aircraft tractor

Country Status (1)

Country Link
CN (1) CN2936925Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817404B (en) * 2010-01-28 2013-06-05 哈尔滨工程大学 Light aircraft draught device
CN106143942A (en) * 2015-04-07 2016-11-23 中国农业机械化科学研究院 A kind of three-wheel aircraft tractor and turn to lowering or hoisting gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101817404B (en) * 2010-01-28 2013-06-05 哈尔滨工程大学 Light aircraft draught device
CN106143942A (en) * 2015-04-07 2016-11-23 中国农业机械化科学研究院 A kind of three-wheel aircraft tractor and turn to lowering or hoisting gear
CN106143942B (en) * 2015-04-07 2018-08-07 中国农业机械化科学研究院 A kind of three-wheel aircraft tractor and its turn to lifting gear

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081212

Address after: No. 1 North Beach, Desheng Gate, Beijing, 100083

Patentee after: Beijing Golden Wheel Special Machine C., Ltd.

Address before: No. 1 North Beach, Desheng Gate, Beijing, 100083

Patentee before: Chiese Academy of Agricultural Mechanization Sciences

EE01 Entry into force of recordation of patent licensing contract

Assignee: Beijing Golden Wheel Special Machine C., Ltd.

Assignor: Chiese Academy of Agricultural Mechanization Sciences

Contract fulfillment period: 2008.9.12 to 2013.9.11

Contract record no.: 2008110000161

Denomination of utility model: Electric poleless aircraft tractor

Granted publication date: 20070822

License type: Exclusive license

Record date: 20081205

ASS Succession or assignment of patent right

Owner name: BEIJING JINLUN KUNTIAN SPECIAL MACHINE CO., LTD.

Free format text: FORMER OWNER: CHINESE ACADEMY OF AGRICULTURAL MECHANIZATION SCIENCES

Effective date: 20081212

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.12 TO 2013.9.11; CHANGE OF CONTRACT

Name of requester: BEIJING JINLUN KUNTIAN SPECIAL MACHINE CO., LTD.

Effective date: 20081205

CX01 Expiry of patent term

Granted publication date: 20070822

EXPY Termination of patent right or utility model