CN102951300B - Aircraft nosewheel embraces clamp device - Google Patents
Aircraft nosewheel embraces clamp device Download PDFInfo
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- CN102951300B CN102951300B CN201210503800.6A CN201210503800A CN102951300B CN 102951300 B CN102951300 B CN 102951300B CN 201210503800 A CN201210503800 A CN 201210503800A CN 102951300 B CN102951300 B CN 102951300B
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Abstract
The present invention relates to and disclose a kind of aircraft nosewheel and embrace clamp device, comprise vehicle frame, it is characterized in that the rotary pin shaft of swing span through center and vehicle frame are hinged, swing span rear is provided with main armful folder platform, main folder platform nock of embracing centrally is provided with bracing frame and overturning oil cylinder respectively successively to both sides, both sides, lower end are hinged through elevating ram and swing span respectively, rear portion is hinged through hinge and secondary folder platform lower end of embracing, main embracing in the middle part of folder platform is hinged with major-minor platform pull bar, overturning oil cylinder and major-minor platform pull bar embrace with pair respectively press from both sides in the middle part of platform hinged, secondary folder platform both sides of embracing are respectively equipped with telescopic shaft, telescopic shaft side is rigidly connected with secondary folder platform of embracing, lower end is hinged through height adjustment cylinders and main folder platform of embracing, telescopic oil cylinder is provided with in telescopic shaft, telescopic boom and telescopic shaft sliding block joint, telescopic boom rear end is provided with locking framework, locking framework is provided with clamp, lockable mechanism and clamping oil cylinder, there is novel structure, the advantages such as constrained force is large.
Description
Technical field
The present invention relates to aircraft floor facility technology field, specifically a kind of aircraft nosewheel embraces clamp device.
Background technology
Aircraft towing, as the important equipment of airport industry, is mainly used in traction and the pushing tow operation of aircraft.Have compared with rod aircraft tractor with traditional, wheel holding aircraft towing has efficiently, anti-emission carburetor, intelligence degree advantages of higher.Wheel holding aircraft towing is provided with a set of nosewheel and embraces clamp device, nosewheel can be taken in one's arms and leave ground.Nosewheel embraces the significant components of clamp device as wheel holding tractor truck, often determines the transaction capabilities of car load.
Because the nosewheel diameter dimension of aircarrier aircraft is different, therefore embrace the requirement that clamp device should adapt to different type of machines.
At present, this wheel holding mechanism that my company produces is by vehicle frame, main lifting connecting rod, secondary lifting connecting rod, elevating ram, oscillating spindle, swing span, compress support, compressed oil cylinder, support platform and fixing device composition, fixing device comprises clamping clip, alignment pin, locking oil cylinder and clamping oil cylinder, vehicle frame center is provided with oscillating spindle, jam nut is equipped with in oscillating spindle front end, rear end is through locating pad, axle sleeve is connected with swing span, swing span side is provided with support platform, support platform two ends are respectively equipped with hold-down arm, top is provided with compressed oil cylinder and compresses support, below is provided with elevating ram, elevating ram one end is hinged through bearing pin and swing span, the other end is hinged through bearing pin and support platform lower end, compressed oil cylinder one end is hinged through bearing pin and support platform, the other end is hinged through bearing pin and compression pedestal upper end, compress pedestal lower end to be hinged through bearing pin and support platform, hold-down arm end is provided with fixing device, hold-down arm end winding support has alignment pin, alignment pin upper end and clamping clip outer end are hinged, two clamping clip the inners are corresponding, be beneficial to clamping aircraft before nosewheel, be hinged through clamping oil cylinder and hold-down arm inside clamping clip, outside is fixedly connected with locking oil cylinder, hold-down arm below corresponding locking oil cylinder lock pin is provided with knock hole, when wheel holding, drive clamping oil cylinder and locking oil cylinder, the lock pin retraction of locking oil cylinder, clamping oil cylinder drives clamping clip, two clamping clips outside rotary expansion centered by alignment pin respectively, tractor truck drives towards trailed aircraft, before aircraft, nosewheel drives into wheel holding mechanism, until nosewheel touches support platform before aircraft, clamping oil cylinder action, clamping clip is regained, hydraulic oil enters locking oil cylinder, the lock pin of locking oil cylinder is protruding, insert in the knock hole of hold-down arm, clamping clip is located, compressed oil cylinder action, nosewheel before aircraft is fixed by compression support and clamping clip, elevating ram action, drive support platform to move up to together with nosewheel before the aircraft of clamping and leave ground certain altitude, tractor truck can draw or pushing tow aircraft at ground motion, its deficiency is: wheel holding mechanism constrained force is inadequate, the easy bob of aircraft nosewheel in distraction procedure, aircraft nosewheel is caused to jump out wheel holding mechanism, break away from non-rod aircraft tractor and easily cause accident.
Through retrieval, CN202147843 discloses a kind of non-rod aircraft tractor clamping-lifting device, and it comprises rotating disk, rotating disk fixed part, shaft, front arc grip block, vertical pivot, back shield, hydraulic pressure cylinder assembly, front articulated joint, rear articulated joint and back shield positioning plate, rotating-table apparatus tractor truck surface, rotating disk fixed part is arranged on disc surfaces, one circular hole is formed at top, on shaft, the longitudinal axis is arranged in circular hole, and front arc grip block upper end thereof is at shaft transverse axis, and U-lag opening part is fixed in vertical pivot lower end, back shield is connected with rotating disk by vertical pivot, and hydraulic pressure cylinder assembly is by front, rear articulated joint and front arc grip block and back shield are hinged, and back shield positioning plate is located at disc surfaces, and the deficiency of this device is: one, do not possess the function of Auto-matching nosewheel size, nosewheel before the aircraft of different-diameter can not be clamped, two, wheel holding mechanism constrained force is inadequate, and the easy bob of aircraft nosewheel in distraction procedure, causes aircraft nosewheel to jump out wheel holding mechanism, break away from non-rod aircraft tractor and easily cause accident.
CN03263980.5 discloses a kind of clamping on the net and promotes the device of nosewheel before aircraft, it is with being hinged on before on lift arm, before rear Control arm controls respectively, the motion of rear niproll wheels, before, rear Control arm is subject to again the restriction of ratchet device and block respectively relative to the swing of lift arm, when the piston rod of hydraulic actuating cylinder is overhanging, rear Control arm swung around hinge-point before this, through hinged connecting rod at its upper end affect be equipped with after clamp running roller stand cover motion, the control of the sector of being overlapped by stand and the obliquely roller of installation and lift arm end, rear clamping running roller is before this to intrinsic deflection, the passage at nosewheel rear before closedown aircraft, be converted to around horizontal axis along the swing of circular arc by back lower place forward upward, therebetween afterwards clamp running roller contact and tractive aircraft before nosewheel roll on the butt plate be fixed on below lift arm, until the lower end of rear Control arm contacts with the block of lift arm bottom, also touch control gauge mechanism while rear Control arm contact blocks and discharge a spring loaded ratchet, reach is continued under promoting to stop front nip rollers wheels nosewheel before aircraft, promote lift arm by block force upwards to promote together with by nosewheel before the aircraft that clamps, the deficiency of this wheel holding mechanism is inadequate to wheel holding mechanism constrained force equally, the easy bob of aircraft nosewheel in distraction procedure, aircraft nosewheel is caused to jump out wheel holding mechanism, break away from non-rod aircraft tractor and easily cause accident.
The nosewheel also had embraces clamp device many employings roller enclasp device, this roller embraces the danger that clamp mechanism easily exists nosewheel sideslip, and an armful clamp mechanism is that one-level embraces folder, and nosewheel is held tightly rear lifting by an armful clamp mechanism, this armful of clamp mechanism exists embraces folder state labile, the problem of nosewheel center instability, very easily causes potential safety hazard.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, there is provided that a kind of novel structure, safe and reliable, constrained force are large, nosewheel central stabilizer, meet the traction requirement of various aircraft, eliminate various potential safety hazard, the aircraft nosewheel reducing the loss of airport and airline company embraces clamp device.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of aircraft nosewheel embraces clamp device, comprise vehicle frame, it is characterized in that being provided with swing span, elevating ram, overturning oil cylinder, telescopic oil cylinder, main armful folder platform, secondary armful folder platform, top rod, lower link, telescopic shaft, telescopic boom, rotary pin shaft, hinging pin shaft, clamp, height adjustment cylinders, clamping oil cylinder and lockable mechanism, the rotary pin shaft of swing span through center and vehicle frame are hinged, swing span rear is provided with main armful folder platform, main folder platform nock of embracing centrally is provided with bracing frame and overturning oil cylinder respectively successively to both sides, both sides, lower end are hinged through elevating ram and swing span respectively, rear portion is hinged through hinge and secondary folder platform lower end of embracing, main embracing in the middle part of folder platform is hinged through upset bearing pin and major-minor platform pull bar, bracing frame is provided with lifting bearing pin, lower link one end and swing span are hinged, the other end and lifting bearing pin are hinged, top rod one end and vehicle frame are hinged, the other end and lifting bearing pin are hinged, overturning oil cylinder and major-minor platform pull bar are hinged in the middle part of hinge with secondary armful folder platform respectively, stretched by the contracting that is flexible and elevating ram of overturning oil cylinder, secondary folder platform of embracing is driven to be close to nosewheel or to deviate from nosewheel, simultaneously, the constrained of different-diameter nosewheel can also be adjusted, secondary folder platform both sides of embracing are respectively equipped with telescopic shaft, telescopic shaft side is rigidly connected with secondary folder platform of embracing, lower end is hinged through height adjustment cylinders and main folder platform of embracing, telescopic oil cylinder is provided with in telescopic shaft, telescopic boom and telescopic shaft sliding block joint, telescopic boom rear end is provided with locking framework, be beneficial in telescopic shaft, do straight-line motion by the telescopic drive telescopic boom of telescopic oil cylinder, locking framework is provided with clamp, lockable mechanism and clamping oil cylinder, clamp front end is hinged through clamp bearing pin and clamping oil cylinder and locking framework, and drive expansion or bending through clamping oil cylinder, the clamping face of clamp is arcwall face, be beneficial to contact with aircraft nosewheel forming surface, clamp is provided with locking hole, when clamp clamping aircraft nosewheel, clamp inserts in locking hole through lockable mechanism, reach the effect of locking.
Pair of the present invention embrace folder platform be face of holding tightly by down and on the face of holding tightly intersect and be formed by connecting, under hold tightly face and on the angle held tightly between face be greater than the angle that 90 degree are less than 180 degree, be beneficial to form Multi-contact constraint to nosewheel, under corresponding aircraft nosewheel, the face of holding tightly is concave panel, be beneficial to contact nosewheel forming surface, prevent nosewheel generation sideslip phenomenon, strengthen the constrained force to nosewheel further.
The present invention can embrace folder platform upper in pair and be provided with auxiliary compression platform, the auxiliary platform upper end that compresses is hinged with the compressed oil cylinder be hinged on secondary armful folder platform, lower end is hinged with secondary folder platform of embracing, and is beneficial to, when preventing from further embracing folder aircraft nosewheel, bob occurs.
Lockable mechanism of the present invention is by locking oil cylinder, upper locking lever, lower locking lever, lower fulcrum and upper fulcrum composition, upper locking lever, lower locking lever is respectively in " U " shape, locking oil cylinder is fixed on outside locking framework, locking framework upper end is provided with fulcrum, lower end is provided with lower fulcrum, be hinged with upper fulcrum in the middle of upper locking lever, one end is connected with locking oil cylinder, the other end is corresponding with the locking hole on clamp through the hole of locking framework upper surface, be hinged with lower fulcrum in the middle of lower locking lever, one end is connected with locking oil cylinder, the other end is corresponding with the locking hole on clamp through the hole of locking framework lower surface, , when clamping aircraft nosewheel, locking oil cylinder stretches out, upper locking lever and lower locking lever insert in the locking hole of clamp respectively, reach the effect that locking is safe and reliable.
The present invention, owing to adopting said structure, has that novel structure, safe and reliable, constrained force are large, nosewheel central stabilizer, meets the advantage such as traction requirement of various aircraft.
Accompanying drawing explanation
Fig. 1 be embrace a clamp device complete nosewheel embrace folder and by the block diagram under nosewheel lifting state.
Fig. 2 is the birds-eye view under armful clamp device holds nosewheel state in advance tightly.
In figure, dotted line is that clamp is opened, the state that telescopic boom stretches out.For convenience of explanation, in definition Fig. 2, the direction of arrow is front, and left and right directions as shown in Figure 2.
Fig. 3 is the AA cutaway view under Fig. 2 state.
What show nosewheel in figure embraces clip-like state, the position of secondary armful folder platform and the position of secondary armful folder platform oil cylinder and connecting rod.
Fig. 4 is the AA place cutaway view under armful clamp mechanism overturns complete state.
Fig. 5 is that elevating ram stretches out completely, and nosewheel is picked up the AA place cutaway view arrived under extreme higher position state.
Reference numeral: swing span 1, lower link 2, elevating ram 3, overturning oil cylinder 4, telescopic oil cylinder 5, auxiliary compression platform 6, main armful folder platform 7, telescopic shaft 8, height adjustment cylinders 9, lockable mechanism 10, telescopic boom 11, clamp 12, secondary armful folder platform 13, top rod 14, rotary pin shaft 15, hinging pin shaft 16, major-minor platform pull bar 17, upset bearing pin 18, clamping oil cylinder 19, locking framework 20, compressed oil cylinder 21, bracing frame 22, under hold face 23 tightly, on hold face 24 tightly, locking oil cylinder 25, upper locking lever 26, lower locking lever 27, upper fulcrum 28.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of aircraft nosewheel embraces clamp device, comprise vehicle frame, it is characterized in that being provided with swing span 1, elevating ram 3, overturning oil cylinder 4, telescopic oil cylinder 5, main armful folder platform 7, secondary armful folder platform 13, top rod 14, lower link 2, telescopic shaft 8, telescopic boom 11, rotary pin shaft 15, hinging pin shaft 16, clamp 12, height adjustment cylinders 9, major-minor platform pull bar 17, clamping oil cylinder 19 and lockable mechanism 10, the rotary pin shaft 15 of swing span 1 through center is hinged with vehicle frame, swing span 1 rear is provided with main armful folder platform 7, main folder platform 7 nock of embracing centrally is provided with bracing frame 22 and overturning oil cylinder 4 respectively successively to both sides, both sides, lower end are hinged through elevating ram 3 and swing span 1 respectively, rear portion is hinged through hinge and secondary folder platform 13 lower end of embracing, main embracing in the middle part of folder platform 7 is hinged with major-minor platform pull bar 17 through upset bearing pin 18, bracing frame 22 is provided with lifting bearing pin 16, lower link 2 one end and swing span 1 are hinged, the other end and lifting bearing pin 16 are hinged, top rod 14 one end and vehicle frame are hinged, the other end and lifting bearing pin 16 are hinged, overturning oil cylinder 4 and major-minor platform pull bar 17 are hinged in the middle part of hinge with secondary armful folder platform 13 respectively, stretched by the contracting that is flexible and elevating ram 3 of overturning oil cylinder 4, secondary folder platform 13 of embracing is driven to be close to nosewheel or to deviate from nosewheel, simultaneously, the constrained of different-diameter nosewheel can also be adjusted, secondary folder platform 13 both sides of embracing are respectively equipped with telescopic shaft 8, telescopic shaft 8 side is rigidly connected with secondary folder platform 13 of embracing, lower end is hinged through height adjustment cylinders 9 and main folder platform 7 of embracing, telescopic oil cylinder 5 is provided with in telescopic shaft 8, telescopic boom 11 and telescopic shaft 8 sliding block joint, telescopic boom 11 rear end is provided with locking framework 20, be beneficial in telescopic shaft 8, do straight-line motion by the telescopic drive telescopic boom 11 of telescopic oil cylinder 5, locking framework 20 is provided with clamp 12, lockable mechanism 10 and clamping oil cylinder 19, clamp 12 front end is hinged with locking framework 20 through clamp bearing pin and clamping oil cylinder 19, and drive expansion or bending through clamping oil cylinder 19, the clamping face of clamp 12 is arcwall face, be beneficial to contact with aircraft nosewheel forming surface, clamp 12 is provided with locking hole, when clamp 12 clamps aircraft nosewheel, clamp 12 inserts in locking hole through lockable mechanism 10, reach the effect of locking.
Pair of the present invention embrace folder platform 13 be face of holding tightly by down 23 and on hold face 24 tightly and intersect and be formed by connecting, under hold tightly face 23 and on the angle held tightly between face 24 be greater than the angle that 90 degree are less than 180 degree, be beneficial to form Multi-contact constraint to nosewheel, face 23 is held tightly for concave panel under corresponding aircraft nosewheel, be beneficial to contact nosewheel forming surface, prevent nosewheel generation sideslip phenomenon, strengthen the constrained force to nosewheel further.
The present invention can embrace folder platform 13 top in pair and be provided with auxiliary compression platform 6, auxiliary platform 6 upper end that compresses is hinged with the compressed oil cylinder 21 be hinged on secondary armful folder platform 13, lower end is hinged with secondary folder platform 13 of embracing, and is beneficial to, when preventing from further embracing folder aircraft nosewheel, bob occurs.
Lockable mechanism 10 of the present invention is by locking oil cylinder 25, upper locking lever 26, lower locking lever 27, lower fulcrum and upper fulcrum 28 form, upper locking lever 26, lower locking lever 27 is respectively in " U " shape, locking oil cylinder 25 is fixed on outside locking framework 20, locking framework 20 upper end is provided with fulcrum 28, lower end is provided with lower fulcrum, be hinged with upper fulcrum 28 in the middle of upper locking lever 26, one end is connected with locking oil cylinder 25, the other end is corresponding with the locking hole on clamp 12 through the hole of locking framework 20 upper surface, be hinged with lower fulcrum in the middle of lower locking lever 27, one end is connected with locking oil cylinder 25, the other end is corresponding with the locking hole on clamp 12 through the hole of locking framework 20 lower surface, when clamping aircraft nosewheel, locking oil cylinder 25 stretches out, upper locking lever 26 and lower locking lever 27 insert in locking hole respectively, reach the effect that locking is safe and reliable.
Implementation process is as follows:
1, initial condition: the initial condition embracing clamp device is that clamp lockable mechanism 10 unclamps, clamp 12 is opened, telescopic boom 11 stretches out completely, elevating ram 3 is regained completely, whole armful of clamp device is in subaerial position (dotted line position in Fig. 2), and overturning oil cylinder 4 and height adjustment cylinders 9 stretch out, and secondary folder platform 13 of embracing is positioned at the position shown in Fig. 2, now, the dead ahead that clamp device is positioned at nosewheel is embraced;
2, nosewheel is held tightly in advance: left and right clamp turns round 90 ° simultaneously and arrives off position, clamp lockable mechanism 10 is by clamp 12 locking, telescopic oil cylinder 5 drives telescopic boom 11 to regain, clamp 12 contacts with nosewheel, and promote nosewheel rolls forward, nosewheel climbs up the secondary driving surface embracing folder platform 13 gradually, and meanwhile, auxiliary hold-down mechanism 6 contacts with nosewheel gradually and compresses nosewheel.
3, nosewheel is overturn: nosewheel overturning oil cylinder 4 is regained, drive and secondary embrace folder platform 13 and the auxiliary hold-down mechanism 6 be attached thereto, clamp 12, nosewheel overturn around upset bearing pin 18, when overturning oil cylinder 4 is regained completely, complete the upset of nosewheel, now nosewheel is held tightly completely, be in stabilized conditions, as shown in Figure 4;
4, lifting nosewheel: elevating ram 3 stretches out, drives main armful folder platform 7, secondary armful folder platform 13, nosewheel to rise around lifting bearing pin 16, when telescopic oil cylinder 5 stretches out completely, completes the lift operation of nosewheel, as shown in Figure 5.
The process putting down aircraft nosewheel is the inverse process of said process.
The present invention, owing to adopting said structure, has that novel structure, safe and reliable, constrained force are large, nosewheel central stabilizer, meets the advantage such as traction requirement of various aircraft.
Claims (3)
1. an aircraft nosewheel embraces clamp device, comprise vehicle frame, it is characterized in that being provided with swing span, elevating ram, overturning oil cylinder, telescopic oil cylinder, main armful folder platform, secondary armful folder platform, top rod, lower link, telescopic shaft, telescopic boom, rotary pin shaft, hinging pin shaft, clamp, height adjustment cylinders, clamping oil cylinder and lockable mechanism, the rotary pin shaft of swing span through center and vehicle frame are hinged, swing span rear is provided with main armful folder platform, main folder platform nock of embracing centrally is provided with bracing frame and overturning oil cylinder respectively successively to both sides, both sides, lower end are hinged through elevating ram and swing span respectively, rear portion is hinged through hinge and secondary folder platform lower end of embracing, main embracing in the middle part of folder platform is hinged through upset bearing pin and major-minor platform pull bar, bracing frame is provided with lifting bearing pin, lower link one end and swing span are hinged, the other end and lifting bearing pin are hinged, top rod one end and vehicle frame are hinged, the other end and lifting bearing pin are hinged, overturning oil cylinder and major-minor platform pull bar are hinged in the middle part of hinge with secondary armful folder platform respectively, secondary folder platform both sides of embracing are respectively equipped with telescopic shaft, telescopic shaft side is rigidly connected with secondary folder platform of embracing, lower end is hinged through height adjustment cylinders and main folder platform of embracing, telescopic oil cylinder is provided with in telescopic shaft, telescopic boom and telescopic shaft sliding block joint, telescopic boom rear end is provided with locking framework, locking framework is provided with clamp, lockable mechanism and clamping oil cylinder, clamp front end is hinged through clamp bearing pin and clamping oil cylinder and locking framework, the clamping face of clamp is arcwall face, clamp is provided with locking hole, when clamp clamping aircraft nosewheel, clamp inserts in locking hole through lockable mechanism, described lockable mechanism is by locking oil cylinder, upper locking lever, lower locking lever, lower fulcrum and upper fulcrum composition, upper locking lever, lower locking lever is respectively in " U " shape, locking oil cylinder is fixed on outside locking framework, locking framework upper end is provided with fulcrum, lower end is provided with lower fulcrum, be hinged with upper fulcrum in the middle of upper locking lever, one end is connected with locking oil cylinder, the other end is corresponding with the locking hole on clamp through the hole of locking framework upper surface, be hinged with lower fulcrum in the middle of lower locking lever, one end is connected with locking oil cylinder, the other end is corresponding with the locking hole on clamp through the hole of locking framework lower surface.
2. a kind of aircraft nosewheel according to claim 1 embraces clamp device, it is characterized in that described pair embrace folder platform be face of holding tightly by down and on the face of holding tightly intersect and be formed by connecting, under hold tightly face and on the angle held tightly between face be greater than the angle that 90 degree are less than 180 degree, under corresponding aircraft nosewheel, the face of holding tightly is concave panel.
3. a kind of aircraft nosewheel according to claim 1 embraces clamp device, it is characterized in that secondary folder platform upper of embracing is provided with auxiliary compression platform, the auxiliary platform upper end that compresses is hinged with the compressed oil cylinder be hinged on secondary armful folder platform, and lower end is hinged with secondary folder platform of embracing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503800.6A CN102951300B (en) | 2012-12-02 | 2012-12-02 | Aircraft nosewheel embraces clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503800.6A CN102951300B (en) | 2012-12-02 | 2012-12-02 | Aircraft nosewheel embraces clamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102951300A CN102951300A (en) | 2013-03-06 |
| CN102951300B true CN102951300B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210503800.6A Active CN102951300B (en) | 2012-12-02 | 2012-12-02 | Aircraft nosewheel embraces clamp device |
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| CN (1) | CN102951300B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002986A (en) * | 2014-06-13 | 2014-08-27 | 中国民航大学 | Rodless aircraft tractor clamping and lifting device |
| CN104773302B (en) * | 2015-04-28 | 2017-01-25 | 北京新胜福瑞机械设备股份有限公司 | Emergency rescue device for airplane |
| CN108790538A (en) * | 2016-12-09 | 2018-11-13 | 潘茜茜 | The mating of engraving machine clamps |
| CN110028013A (en) * | 2019-05-13 | 2019-07-19 | 河南剑宏科技有限公司 | A kind of energy conservation space-efficient lifting device |
| CN110562642A (en) * | 2019-10-14 | 2019-12-13 | 随州市创想汽车技术有限公司 | Garbage collection device of garbage truck |
| CN114178349B (en) * | 2021-11-30 | 2023-11-28 | 一重集团大连工程技术有限公司 | Claw type flattening machine |
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| US4375244A (en) * | 1979-04-18 | 1983-03-01 | Sovam | Hauling vehicle for large aircraft |
| EP0530456A1 (en) * | 1991-09-04 | 1993-03-10 | MAN Gutehoffnungshütte Aktiengesellschaft | Hauling device for towing an aircraft without a tow-bar |
| CN2635519Y (en) * | 2003-05-29 | 2004-08-25 | 北京阳光之路特种车辆技术有限公司 | Device for clamping and lifting airplane wheel |
| CN102673799A (en) * | 2012-04-13 | 2012-09-19 | 威海广泰空港设备股份有限公司 | Wheel holding mechanism of rodless aircraft tractor |
| CN202935587U (en) * | 2012-12-02 | 2013-05-15 | 威海广泰空港设备股份有限公司 | Airplane nosewheel clamping device |
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2012
- 2012-12-02 CN CN201210503800.6A patent/CN102951300B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375244A (en) * | 1979-04-18 | 1983-03-01 | Sovam | Hauling vehicle for large aircraft |
| EP0530456A1 (en) * | 1991-09-04 | 1993-03-10 | MAN Gutehoffnungshütte Aktiengesellschaft | Hauling device for towing an aircraft without a tow-bar |
| CN2635519Y (en) * | 2003-05-29 | 2004-08-25 | 北京阳光之路特种车辆技术有限公司 | Device for clamping and lifting airplane wheel |
| CN102673799A (en) * | 2012-04-13 | 2012-09-19 | 威海广泰空港设备股份有限公司 | Wheel holding mechanism of rodless aircraft tractor |
| CN202935587U (en) * | 2012-12-02 | 2013-05-15 | 威海广泰空港设备股份有限公司 | Airplane nosewheel clamping device |
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| CN102951300A (en) | 2013-03-06 |
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