CN109987243A - Airplane tractor and its wheel holding mechanism - Google Patents
Airplane tractor and its wheel holding mechanism Download PDFInfo
- Publication number
- CN109987243A CN109987243A CN201810005997.8A CN201810005997A CN109987243A CN 109987243 A CN109987243 A CN 109987243A CN 201810005997 A CN201810005997 A CN 201810005997A CN 109987243 A CN109987243 A CN 109987243A
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- block seat
- lift arm
- holding mechanism
- locking face
- locking member
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 238000005452 bending Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Agricultural Machines (AREA)
Abstract
The present invention relates to a kind of airplane tractor and its wheel holding mechanisms.Airplane tractor includes body and wheel holding mechanism, wheel holding mechanism includes lifting frame, lifting frame has the lift arm that the front-rear direction along airplane tractor extends, lift arm is equipped with preceding block seat and rear block seat, the trailing flank of block seat has the locking face being obliquely installed afterwards, the front end of locking face backward block seat middle part inclination, also it is rotatably equipped with the locking member with locking face block cooperation on lift arm, locking member has in its rotational travel to be cooperated with locking face block with the close stance of block seat after closing and disengaging locking face with the open position of block seat after opening.The front-wheel of the aircraft pressure that block seat applies backward is transferred on lift arm by locking face by locking member, which is born by locking member and lift arm and avoid acting in drive cylinder, so as to avoid drive cylinder remains pressure and there are security risks.
Description
Technical field
The present invention relates to a kind of airplane tractor and its wheel holding mechanisms.
Background technique
Airplane tractor is a kind of guarantee equipment that towing aircraft is used on airport ground, the low, tractive force with body
Big feature.Existing airplane tractor is to embrace folder aircraft nose wheel, and the nose-gear of aircraft is then lifted with lifting device, makes to fly
The front-wheel of machine leaves ground, realizes aircraft towage, good excellent of, versatility small, light-weight, high-efficient with turning radius
Point.
Authorization Notice No. is CN205525030U, and authorized announcement date is that the Chinese utility model patent of 2016.08.31 discloses
A kind of aircraft draws intelligent robot, and it includes drive system, braking system and lifting clamp which, which draws intelligent robot,
System, lifting clamp system include pushing baffle (i.e. upper block seat), automatically-controlled door (block seat after i.e.), sliding platform and lifting platform
(i.e. lifting frame), lifting platform have the lift arm that the front-rear direction along airplane tractor extends, and lifting platform passes through hinged seat
It is mounted on body, the one end for pushing baffle is hinged with lifting platform, and the other end is hinged with compacting part, pushes the height of baffle
Adjustable with width, lift arm is equipped with the preceding block seat for being used to support aircraft nose wheel, and sliding platform can slide along the longitudinal direction, from
Dynamic door is mounted on lift arm and is driven by automatically-controlled door oil cylinder (i.e. drive cylinder).
When in use, the front-wheel of aircraft enters in lifting platform above-mentioned aircraft traction intelligent robot, sliding platform band
It is dynamic to push barrier slides, while the preceding block seat and the distance between rear block seat of lifting platform are adjusted, drive cylinder is according to induction letter
Number closure.But the rear block seat of aircraft traction intelligent robot, after closure, the active force that block seat is closed after holding is by driving
Oil cylinder provides, and during airplane tractor drives aircraft mobile, aircraft by front-wheel, lead towards aircraft backward by block seat application
The pressure of the rear side of lead device, drive cylinder remain at stress, and drive cylinder after long usage itself
The problems such as will appear oil leak pressure release or control short circuit, the serious drive cylinder that will lead to loses the active force to automatically-controlled door and draws
Safety accident is sent out, there are security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of airplane tractor wheel holding mechanisms, are closed with solving rear block seat in the prior art
The active force that block seat is closed after keeping after closing is provided by drive cylinder, and drive cylinder remains at stress and there is safety
The problem of hidden danger；The present invention also provides a kind of airplane tractors using the wheel holding mechanism.
In order to solve the above-mentioned technical problem, the technical solution of airplane tractor of the invention wheel holding mechanism are as follows:
Scheme 1: a kind of airplane tractor wheel holding mechanism, including lifting frame, lifting frame have along the front and back of airplane tractor
To the lift arm of extension, lift arm is equipped with the preceding block seat for being used to support aircraft nose wheel and is arranged in parallel and at interval with preceding block seat
Block seat afterwards, it is described after the trailing flank of block seat there is the locking face that is obliquely installed, the middle part of the front end of locking face block seat backward
It tilts, the locking member with locking face block cooperation is also rotatably equipped on the lift arm, locking member is in its rotational travel
It is upper with cooperating with locking face block with the close stance and disengaging locking face of block seat after closing with the open position of block seat after opening.
The beneficial effect of the technical solution is: when block seat applies pressure to the front-wheel of aircraft backward, the pressure is by lock
Tight face is transferred on lift arm by locking member, and the aircraft pressure that block seat applies backward is born by locking member and lift arm and avoided
Act in drive cylinder, so as to avoid drive cylinder remains pressure and there are security risks, simultaneously because locking face
Front end block seat backward middle part inclination, locking face is applied to pressure on locking member and has locking member to be moved to close stance
Trend, locking member remain at close stance and complete self-locking, and locking member is avoided to open under the pressure of aircraft.
Scheme 2: airplane tractor according to scheme 1 wheel holding mechanism, one end of the rear block seat and lift arm are cut with scissors
It connects, the closed end that the rear block seat has the hinged end hinged with lift arm and cooperates with locking member, the locking face setting exists
In closed end.Block seat is hinged by hinged end and lift arm afterwards, it is only necessary to design locking face in closed end, structure is simple.
Scheme 3: according to the wheel holding mechanism of airplane tractor described in scheme 2, the closed end of the rear block seat is equipped with jam plate,
The trailing flank of jam plate forms the locking face.Structural strength of the jam plate on the front-rear direction of wheel holding mechanism is high, while convenient for adding
Work.
Scheme 4: airplane tractor according to scheme 3 wheel holding mechanism is additionally provided on the jam plate and hooks hole, lifting
Arm is equipped with the pin shaft being adapted to hook hole.Hooking hole and pin shaft cooperation can slide in the lateral direction to avoid rear block seat.
Scheme 5: according to scheme 1-4 described in any item airplane tractors wheel holding mechanism, the locking member includes parallel
The top plate and bottom plate of setting, are connected with riser between the top plate and bottom plate, the locking face block of riser and the rear block seat is matched
It closes.Riser and locking face cooperate, and structure is simple, and top plate and bottom plate can reinforce the structural strength of locking member.
Scheme 6: according to the wheel holding mechanism of airplane tractor described in scheme 5, the riser is the bending plate of middle part bending,
The side of bending plate and the locking face snug fit.Bending plate can increase the contact area of riser and locking face.
Scheme 7: according to scheme 1-4 described in any item airplane tractors wheel holding mechanism, the lift arm, which is equipped with, to be driven
The drive cylinder of dynamic locking member rotation, the output end of drive cylinder are fixedly connected with locking member.Drive cylinder drives locking member to turn
It is dynamic, it is easy to operate laborsaving.
Scheme 8: according to scheme 1-4 described in any item airplane tractors wheel holding mechanism, the preceding block seat is along lift arm
Extending direction guiding be assemblied on the lift arm.The position of block seat before preceding block seat can be adjusted according to the size of aircraft nose wheel
It sets, so as to adjust the distance between preceding block seat and rear block seat.
Scheme 9: according to the wheel holding mechanism of airplane tractor described in scheme 8, the lift arm is equipped with guide groove, before described
Block seat is equipped with the sliding block for being inserted into guide groove, and the preceding block seat is assemblied in guide groove using slider guide.Preceding block seat utilizes
Sliding block and guide groove guiding are assembled, and structure is simple, easy to process.
Scheme 10: it according to scheme 1-4 described in any item airplane tractors wheel holding mechanism, is also rotated on the preceding block seat
It is equipped with block seat, the compressing member for applying downward pressure to aircraft nose wheel is rotatably equipped on the upper block seat.Upper gear
Seat can be jumped out out of lifting frame to avoid aircraft nose wheel, at the same upper block seat be mounted on before allow block seat with preceding block seat on block seat
It is moved forward and backward.
Scheme 11: airplane tractor according to scheme 10 wheel holding mechanism, the upper block seat include that rolling assembling exists
Sleeve on preceding block seat and the telescopic rod being set in sleeve, the telescopic rod are equipped with location hole, the sleeve be equipped with
Positioning pin is installed in the perforation of location hole adaptation, the location hole and perforation.Telescopic rod can move to adjust in sleeve
The length of whole upper block seat increases the applicable model of the airplane tractor wheel holding mechanism to adapt to various sizes of aircraft nose wheel
It encloses.
Scheme 12: airplane tractor according to scheme 10 wheel holding mechanism, the upper block seat at least there are two and edge
The width direction interval of preceding block seat is arranged.When the front-wheel of aircraft uses twin tires or more tires, adjustment can according to need
The quantity of upper block seat, so that block seat be made to be applicable in different types of aircraft.
The technical solution of airplane tractor of the invention are as follows:
Scheme 1: a kind of airplane tractor, including body and the wheel holding mechanism being arranged on body, the wheel holding mechanism includes lifting
Frame is risen, lifting frame has the lift arm that the front-rear direction along airplane tractor extends, and lift arm is equipped with before being used to support aircraft
The preceding block seat of wheel and be arranged in parallel and at interval rear block seat with preceding block seat, it is described after the trailing flank of block seat there is the lock being obliquely installed
Tight face, the middle part inclination of the front end of locking face block seat backward, is also rotatably equipped with and the locking face on the lift arm
The locking member of block cooperation, locking member has in its rotational travel to be cooperated with locking face block with the close stance of block seat after closing
Be detached from locking face with the open position of block seat after opening.
The beneficial effect of the technical solution is: when block seat applies pressure to the front-wheel of aircraft backward, the pressure is by lock
Tight face is transferred on lift arm by locking member, and the aircraft pressure that block seat applies backward is born by locking member and lift arm and avoided
Act in drive cylinder, so as to avoid drive cylinder remains pressure and there are security risks, simultaneously because locking face
Front end block seat backward middle part inclination, locking face is applied to pressure on locking member and has locking member to be moved to close stance
Trend, locking member remain at close stance and complete self-locking, and locking member is avoided to open under the pressure of aircraft.
Scheme 2: airplane tractor according to scheme 1, one end of the rear block seat and lift arm are hinged, keep off after described
The closed end that seat tool has the hinged end hinged with lift arm and cooperates with locking member, the locking face are arranged in closed end.Afterwards
Block seat is hinged by hinged end and lift arm, it is only necessary to design locking face in closed end, structure is simple.
Scheme 3: according to airplane tractor described in scheme 2, the closed end of the rear block seat is equipped with jam plate, the rear side of jam plate
Face forms the locking face.Structural strength of the jam plate on the front-rear direction of wheel holding mechanism is high while easy to process.
Scheme 4: airplane tractor according to scheme 3 is additionally provided on the jam plate and hooks hole, lift arm be equipped with
Hook the pin shaft of hole adaptation.Hooking hole and pin shaft cooperation can slide in the lateral direction to avoid rear block seat.
Scheme 5: according to the described in any item airplane tractors of scheme 1-4, the locking member includes top plate disposed in parallel
And bottom plate, riser, the locking face block cooperation of riser and the rear block seat are connected between the top plate and bottom plate.Riser and lock
Tight face cooperation, structure is simple, and top plate and bottom plate can reinforce the structural strength of locking member.
Scheme 6: according to airplane tractor described in scheme 5, the riser is the bending plate of middle part bending, the side of bending plate
Face and the locking face snug fit.Bending plate can increase the contact area of riser and locking face.
Scheme 7: according to the described in any item airplane tractors of scheme 1-4, the lift arm is equipped with driving locking member and turns
The output end of dynamic drive cylinder, drive cylinder is fixedly connected with locking member.Drive cylinder drives locking member rotation, easy to operate
It is laborsaving.
Scheme 8: according to the described in any item airplane tractors of scheme 1-4, extending direction of the preceding block seat along lift arm
Guiding is assemblied on the lift arm.The position of block seat before preceding block seat can be adjusted according to the size of aircraft nose wheel, so as to adjust
The distance between preceding block seat and rear block seat.
Scheme 9: according to airplane tractor described in scheme 8, the lift arm is equipped with guide groove, and the preceding block seat is equipped with
Sliding block for being inserted into guide groove, the preceding block seat are assemblied in guide groove using slider guide.Preceding block seat utilizes sliding block and guide groove
Guiding assembly, structure is simple, easy to process.
Scheme 10: according to the described in any item airplane tractors of scheme 1-4, gear is also rotatably equipped on the preceding block seat
, the compressing member for applying downward pressure to aircraft nose wheel is rotatably equipped on the upper block seat.Upper block seat can be to avoid
Aircraft nose wheel is jumped out out of lifting frame, at the same upper block seat be mounted on before be moved forward and backward block seat with preceding block seat on block seat.
Scheme 11: airplane tractor according to scheme 10, the upper block seat include rolling assembling on preceding block seat
Sleeve and the telescopic rod being set in sleeve, the telescopic rod are equipped with location hole, and the sleeve is equipped with and is adapted to location hole
Perforation, the location hole and perforation in positioning pin is installed.Telescopic rod can move in sleeve so as to adjust upper block seat
Length increases the scope of application of the airplane tractor wheel holding mechanism to adapt to various sizes of aircraft nose wheel.
Scheme 12: airplane tractor according to scheme 10, the upper block seat at least there are two and along the width of preceding block seat
Spend the setting of direction interval.When the front-wheel of aircraft uses twin tires or more tires, the number for adjusting upper block seat can according to need
Amount, so that block seat be made to be applicable in different types of aircraft.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of airplane tractor wheel holding mechanism of the invention；
Fig. 2 is the partial structural diagram of the embodiment 1 of airplane tractor wheel holding mechanism of the invention；
Fig. 3 is the partial top view of the embodiment 1 of airplane tractor wheel holding mechanism of the invention；
Attachment structure schematic diagram when Fig. 4 is the rear block seat closure of the embodiment 1 of airplane tractor wheel holding mechanism of the invention；
Fig. 5 is attachment structure schematic diagram when the rear block seat of the embodiment 1 of airplane tractor wheel holding mechanism of the invention is opened；
Fig. 6 is that the locking member of the embodiment 1 of airplane tractor wheel holding mechanism of the invention is in the structural schematic diagram of close stance；
Fig. 7 is that the locking member of the embodiment 1 of airplane tractor wheel holding mechanism of the invention is in the structural schematic diagram of open position.
It is respectively marked in figure: 1. lift arms；Block seat before 2.；Block seat after 3.；Block seat on 4.；5. locking member；11. fixed arm；12.
Telescopic arm；13. the first articulated shaft；14. the second articulated shaft；21. guide groove；22. sliding block；23. front seat supports face；31. jam plate；
Block seat supporting surface after 32.；33.V type groove；34. locking face；41. sleeve；42. telescopic rod；43. compressing member；51. bottom plate；52. top
Plate；53. riser；61. the first drive cylinder；62. the second drive cylinder；71. bearing plate；72. guide plate.
Specific embodiment
The embodiment 1 of airplane tractor of the invention is as shown in Figures 1 to 7, including body (not shown) and setting
Wheel holding mechanism on body.Wheel holding mechanism includes lifting frame, and there is lifting frame the front-rear direction along airplane tractor to extend
Two lift arms 1, lift arm 1 include fixed arm 11 and the telescopic arm 12 that guiding is assemblied in fixed arm 11, one of them is flexible
Arm 12 is equipped with rear block seat 3, and the trailing flank of rear block seat 3 has the locking face 34 being obliquely installed, and the front end of locking face 34 is kept off backward
The middle part of seat 3 tilts, and the locking member 5 with the cooperation of 34 block of locking face of rear block seat 3 is rotatably equipped on another telescopic arm 12,
Block seat 3 and locking member 5 move after telescopic arm 12 can drive when moving forward and backward, so as to adjust rear block seat 3 position to adapt to not
With the aircraft nose wheel of size.Locking member 5 has in its rotational travel to be cooperated with 34 block of locking face with the pass of block seat 3 after closing
It closes position and is detached from locking face with the open position of block seat 3 after opening.
The generally cube columnar structures of block seat 3 afterwards, rear block seat 3 have the hinged end being hinged on one of lift arm 1
With the closed end cooperated with locking member 5, the hinged end of rear block seat 3 and telescopic arm 12 are hinged by the first articulated shaft 13, telescopic arm
The first drive cylinder 61 that block seat 3 rotates after driving is rotatably equipped on 12, the hinged end of rear block seat 3 is equipped with axis runout first
The output end of the shaft of the center line of articulated shaft 13, the first drive cylinder 61 is fixedly connected with shaft.The closed end of block seat 3 is set afterwards
There is a jam plate 31, the middle part of the front end of the trailing flank of jam plate 31 block seat 3 backward is tilted to form locking face 34.Jam plate 31 is away from locking
The side in face 34, which is provided with, hooks hole, and the lift arm 12 equipped with locking member 5 is equipped with the pin shaft being adapted to the hook hole of jam plate 31.
The side of block seat 3, which is equipped with, afterwards is used to support the rear block seat supporting surface 32 of aircraft nose wheel, and rear block seat supporting surface 32 is along straight down
Gradually to apply the support force that tilts upward to aircraft nose wheel, rear block seat supporting surface 32 is equipped with V for block seat inclination forward in direction
Type groove 33, V-groove 33 can to avoid aircraft nose wheel rear block seat supporting surface 32 right and left upward sliding.
The end of telescopic arm 12 is arranged in locking member 5, and locking member 5 includes bottom plate 51 disposed in parallel and top plate 52, bottom plate
It is connected with riser 53 between 51 and top plate 52, riser 53 is the bending plate of middle part bending, before one of side of bending plate
End backward block seat middle part inclination with 34 snug fit of locking face, thus make riser 53 and 34 block of locking face cooperation to close
Block seat 3 afterwards；In other embodiments, riser 53 or plate, plate front end backward block seat 3 middle part inclination with locking
The cooperation of 34 block of face.The pressure that aircraft nose wheel is applied to rear block seat 3 is transferred on locking member 5 via locking face 34, and rear block seat 3 is applied
The middle part inclination of the pressure of locking member 5 block seat 3 backward is added to, thus make locking member 5 that there is the trend moved to close stance always,
Locking member 5 remains at close stance and completes self-locking.
Locking member 5 on telescopic arm 12, is rotatably equipped with driving by 14 rolling assembling of the second articulated shaft on telescopic arm 12
The second drive cylinder 62 that locking member 5 rotates, shaft of the locking member 5 equipped with the center line for deviateing the second articulated shaft 14, second
The output end of drive cylinder 62 is fixedly connected with the shaft.Second articulated shaft 14, which is formed, hooks what hole hook cooperated for jam plate 31
Pin shaft is arranged with the bearing plate 71 for the part gravity of block seat 3 after accepting on the second articulated shaft 14, is connected on bearing plate 71
The guide plate 72 tilted down, guide plate 72 can be convenient guidance jam plate 31 and hook the second articulated shaft 14, the upper table of guide plate 72
Face is elastic surface, can generate structural damage to avoid colliding with jam plate 31.
Wheel holding mechanism further includes the preceding block seat 2 being arranged on lift arm 1, preceding block seat 2 generally cube columnar structures.Lifting
The fixed arm 11 of arm 1 is equipped with guide groove 21, and the end of preceding 2 two sides of block seat is equipped with the sliding block 22 for protruding into guide groove 21, front
Seat 2 is assemblied on lift arm 1 by the cooperation guiding of sliding block 22 and guide groove 21, and 2 front and back of block seat before driving is additionally provided on lifting frame
Mobile hydraulic cylinder.Preceding block seat 2 has the front seat supports face 23 for being used to support aircraft nose wheel, and front seat supports face 23 is along perpendicular
Block seat 3 is tilted to apply the support force tilted upward to aircraft nose wheel straight downwardly direction backward.
Block seat 4 is rotatably equipped on preceding block seat 2, the end of upper block seat 4 is rotatably equipped with for applying to aircraft nose wheel
The compressing member 43 of downward pressure, in this embodiment, compressing member 43 are arc panel, in other embodiments, compressing member 43
It can be last item.Upper block seat 4 include rolling assembling the sleeve 41 on preceding block seat 2 and the telescopic rod 42 that is set in sleeve 41,
Be arranged at intervals with multiple location holes on telescopic rod 42, sleeve 41 is equipped with perforation be adapted to location hole, location hole with perforate in
Positioning pin is installed, the length of the adjustable upper block seat 4 of positioning pin is utilized.Upper block seat 4 there are two and along the width side of preceding block seat 2
It is arranged to interval, the distance between two upper block seats 4 are adjustable, so as to adjust the distance between two compressing members 43 to adapt to difference
The aircraft nose wheel of size, in other embodiments, the quantity of upper block seat 4 can also only have one, can also be more there are three waiting
Quantity, be adjusted with specific reference to the quantity of the tire of aircraft nose wheel.
Airplane tractor of the invention when in use, is opened by rear block seat 3, and adjustment telescopic arm 12 stretches out the length of fixed arm 11
Degree with the position of block seat 3 after adjusting, while before adjusting block seat 2 position with corresponding with the size of aircraft nose wheel, aircraft is drawn
Device is moved to the lower section of aircraft nose wheel, and block seat 3 is closed after being driven by the first drive cylinder 61, and the jam plate 31 of rear block seat 3 hooks
On the second articulated shaft 14 of locking member 5, using the second drive cylinder 62 driving locking member 5 rotate, locking member 5 from open position to
Close stance rotation, the riser 53 of locking member 5 and 34 snug fit of locking face of jam plate 31, locking member 5 locks rear block seat 3 at this time
Tightly.The lifting of wheel holding mechanism is driven by the driving device on body, aircraft nose wheel is lifted away from ground at this time, and aircraft nose wheel is applied to
The pressure of block seat 3 is transferred on riser 53 by locking face 34 afterwards, since locking face 34 is to be obliquely installed with riser 53, the work of pressure
With the close stance direction that direction is locking member 5, the trend of the oriented close stance movement of locking member makes locking member remain at closing
Position and complete it is self-locking, while pressure by locking member 5 by telescopic arm 12, lift arm 1 and lifting frame shared, avoiding should
Pressure is applied in the first drive cylinder 61 and the second drive cylinder 62, and drive cylinder will not have peace because remaining pressure
Full hidden danger.
The embodiment 2 of airplane tractor of the invention, the difference from embodiment 1 is that: preceding block seat is by cunning in embodiment 1
Block and guide groove guiding are assemblied on lift arm, in the present embodiment, can also be in fixed arm up to guide rail, and the both ends of preceding block seat are set
Pulley is set, preceding block seat is transferred on fixed arm by pulley sliding.
The embodiment 3 of airplane tractor of the invention, the difference from embodiment 1 is that: locking face is jam plate in embodiment 1
Trailing flank dedicated latch segment, the trailing flank of latch segment can also be set in the closed end of rear block seat 3 in the present embodiment
For locking face.
The embodiment 4 of airplane tractor of the invention, the difference from embodiment 1 is that: one end of block seat after in embodiment 1
It is hinged on lift arm, in the present embodiment, the both ends of rear block seat can also be as defeated with drive cylinder respectively in documents
Outlet is fixedly connected, and locking member is respectively set in the end of two lift arms at this time and is locked respectively with the both ends to rear block seat.
The embodiment 5 of airplane tractor of the invention, the difference from embodiment 1 is that: locking member is by perpendicular in embodiment 1
Plate and locking face block cooperate, and in the present embodiment, corresponding through-hole, installation in through-hole can also be arranged on top plate and bottom plate
Pin shaft is locked, is cooperated by locking pin shaft and locking face block.
The present invention also provides a kind of airplane tractor embodiment of wheel holding mechanism, specific structure and above-mentioned aircraft
The specific structure of the wheel holding mechanism of tractor is identical, and details are not described herein again.
Claims (10)
1. a kind of airplane tractor wheel holding mechanism, including lifting frame, there is lifting frame the front-rear direction along airplane tractor to prolong
The lift arm stretched, lift arm are equipped with the preceding block seat for being used to support aircraft nose wheel and keep off after being arranged in parallel and at interval with preceding block seat
Seat, it is characterised in that: the trailing flank of block seat has the locking face that is obliquely installed after described, the front end of locking face block seat backward
Middle part inclination, the locking member with locking face block cooperation is also rotatably equipped on the lift arm, locking member is in its turn
Have on dynamic stroke and cooperates close stance and disengaging locking face with block seat after closing with locking face block and opened with block seat after opening
Qi Wei.
2. airplane tractor according to claim 1 wheel holding mechanism, it is characterised in that: one end of block seat and act after described
Rise the closed end that arm is hinged, and the rear block seat has the hinged end hinged with lift arm and cooperates with locking member, the locking face
It is arranged in closed end.
3. airplane tractor according to claim 2 wheel holding mechanism, it is characterised in that: the closed end of block seat is set after described
There is jam plate, the trailing flank of jam plate forms the locking face.
4. airplane tractor according to claim 3 wheel holding mechanism, it is characterised in that: be additionally provided with hook on the jam plate
Hole, lift arm are equipped with the pin shaft being adapted to hook hole.
5. airplane tractor according to claim 1-4 wheel holding mechanism, it is characterised in that: the locking member packet
Top plate and bottom plate disposed in parallel are included, riser, the locking face of riser and the rear block seat are connected between the top plate and bottom plate
Block cooperation.
6. airplane tractor according to claim 5 wheel holding mechanism, it is characterised in that: the riser is middle part bending
Bending plate, the side of bending plate and the locking face snug fit.
7. airplane tractor according to claim 1-4 wheel holding mechanism, it is characterised in that: on the lift arm
Drive cylinder equipped with driving locking member rotation, the output end of drive cylinder are fixedly connected with locking member.
8. airplane tractor according to claim 1-4 wheel holding mechanism, it is characterised in that: the preceding block seat edge
The extending direction guiding of lift arm is assemblied on the lift arm.
9. airplane tractor according to claim 8 wheel holding mechanism, it is characterised in that: the lift arm is equipped with and leads
Slot, the preceding block seat are equipped with the sliding block for being inserted into guide groove, and the preceding block seat is assemblied in guide groove using slider guide.
10. a kind of airplane tractor, including body and the wheel holding mechanism being arranged on body, the wheel holding mechanism includes lifting
Frame, lifting frame have the lift arm that the front-rear direction along airplane tractor extends, and lift arm is equipped with and is used to support aircraft nose wheel
Preceding block seat and be arranged in parallel and at interval rear block seat with preceding block seat, it is characterised in that: it is described after block seat trailing flank have inclines
The locking face being tiltedly arranged, the middle part inclination of the front end of locking face block seat backward, be also rotatably equipped on the lift arm with
The locking member of locking face block cooperation, locking member has in its rotational travel to be cooperated with locking face block to keep off after closing
The open position of block seat after the close stance of seat is opened with locking face is detached from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005997.8A CN109987243A (en) | 2018-01-03 | 2018-01-03 | Airplane tractor and its wheel holding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005997.8A CN109987243A (en) | 2018-01-03 | 2018-01-03 | Airplane tractor and its wheel holding mechanism |
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| CN109987243A true CN109987243A (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810005997.8A Pending CN109987243A (en) | 2018-01-03 | 2018-01-03 | Airplane tractor and its wheel holding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615116A (en) * | 2019-09-29 | 2019-12-27 | 北京航瑞达科技有限公司 | Novel electric traction device of double-rudder hydraulic steering clamp type for airplane |
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| CN205525030U (en) * | 2016-01-22 | 2016-08-31 | 大连四达高技术发展有限公司 | Aircraft pulls intelligent robot |
| CN206569285U (en) * | 2017-02-28 | 2017-10-20 | 天津航天机电设备研究所 | Non-rod aircraft tractor wheel holding lifting body |
| CN207712314U (en) * | 2018-01-03 | 2018-08-10 | 新乡平原航空技术工程有限公司 | A kind of airplane tractor and its wheel holding mechanism |
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| US20130062128A1 (en) * | 2011-05-13 | 2013-03-14 | Dan Johnson | Apparatus For Moving Wheeled Loads |
| CN202717033U (en) * | 2012-04-13 | 2013-02-06 | 威海广泰空港设备股份有限公司 | Wheel locking mechanism of rodless aircraft tractor |
| CN205525030U (en) * | 2016-01-22 | 2016-08-31 | 大连四达高技术发展有限公司 | Aircraft pulls intelligent robot |
| CN206569285U (en) * | 2017-02-28 | 2017-10-20 | 天津航天机电设备研究所 | Non-rod aircraft tractor wheel holding lifting body |
| CN207712314U (en) * | 2018-01-03 | 2018-08-10 | 新乡平原航空技术工程有限公司 | A kind of airplane tractor and its wheel holding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110615116A (en) * | 2019-09-29 | 2019-12-27 | 北京航瑞达科技有限公司 | Novel electric traction device of double-rudder hydraulic steering clamp type for airplane |
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