CN208842642U - A kind of moving device of main landing gear - Google Patents
A kind of moving device of main landing gear Download PDFInfo
- Publication number
- CN208842642U CN208842642U CN201821095511.6U CN201821095511U CN208842642U CN 208842642 U CN208842642 U CN 208842642U CN 201821095511 U CN201821095511 U CN 201821095511U CN 208842642 U CN208842642 U CN 208842642U
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- vehicle frame
- landing gear
- main landing
- moving device
- grip block
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Abstract
The utility model provides a kind of moving device of main landing gear, and the equipment is by vehicle frame, front clamp block, rear grip block, power unit, control unit, draw bar, walking unit, pin shaft, the major parts composition such as jacking cylinder and clamping oil cylinder.The moving device of main landing gear described in the utility model, which has the advantage that, provides a kind of alternate device of main landing gear, aircraft quickly can be shifted runway.The equipment integral layout beauty atmosphere, the preposition perfect engagement with draw bar of power unit make the outer dimension of vehicle more regular, and preposition ensure that of power unit during use will not damage power unit, while also facilitate maintenance.
Description
Technical field
The utility model belongs to aviation ancillary equipment field, more particularly, to a kind of moving device of main landing gear.
Background technique
Undercarriage is aircraft lower part for taking off landing or support aircraft and for ground (water when ground (water surface) slides
Face) mobile accessories apparatus.Undercarriage is a kind of unique component for supporting whole airplane, therefore it is aircraft inseparable scarce one
Partly；Without it, aircraft just cannot be in ground moving.After taking off, undercarriage can be withdrawn depending on flying quality.However
Aircraft is possible to aircraft can be caused to be stuck on runway due to the locking of main landing gear tire during landing runway, this
In the case of if re-type or using moving trailer moved the time required to it is long.
Summary of the invention
In order to solve the aircraft of fast transfer tire locking, the substitution that the utility model provides a kind of main landing gear is set
It is standby, aircraft quickly can be shifted into runway.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of moving device of main landing gear, including vehicle frame, front clamp block, rear grip block, power unit, control unit,
Draw bar and walking unit, front clamp block is fixed on the position that vehicle frame leans on front end, after rear grip block is removably connected to vehicle frame
End, surrounds the space for placing undercarriage wheel, draw bar is removably connected to vehicle between vehicle frame, front clamp block and rear grip block
The front end of frame, power unit are installed on vehicle frame, and between draw bar and front clamp block, and control unit is set to power unit
Side, walking unit is symmetrically set in the two sides of vehicle frame；
It being set on the vehicle frame there are two clamping oil cylinder and four jacking cylinders, clamping oil cylinder is symmetrically set in the two sides of vehicle frame,
The position of the close rear and front end of each clamping oil cylinder is respectively provided with a jacking cylinder, and the cylinder rod of jacking cylinder downwards, is pressed from both sides
The cylinder rod and rear grip block for holding oil cylinder pass through pin shaft or hook connection；
Each walking unit includes interior supporting rack, outer supporting rack and universal wheel, is passed through between interior supporting rack and outer supporting rack
One common axle is connected on vehicle frame, and by lock clasp, and pin shaft is through interior supporting rack and outer supporting rack, interior supporting leg
Frame respectively passes through supporting leg with the lower end of outer supporting rack and connects a universal wheel.
Further, the two sides of the rear grip block are symmetrically connected with braced wing, the front end of braced wing and the cylinder of clamping oil cylinder
Bar is detachably connected.
Further, the two sides of the rear grip block are symmetrically fixed with anti-dumping inclined plate, and anti-dumping inclined plate is set to below braced wing, vehicle
Horizontally disposed anti-dumping oblique orbit is symmetrically arranged on the inside of frame, vehicle frame (1) upper surface is equipped with metal sliding rail (107), gold
Belong to sliding rail to connect by sunk screw with vehicle frame, braced wing slides on metal sliding rail, and anti-dumping inclined plate is sliding in anti-dumping oblique orbit
It is dynamic.
Further, the opposite face of the rear grip block and front clamp block is inclined inclined surface towards each other, two inclined surface
For the picking-up contact surface with undercarriage wheel.
Further, the front end of the rear grip block is equipped with a height-adjustable front-wheel, and the rear end of rear grip block is symmetrical
If rear-wheel is adjustable height castor there are two rear-wheel.
Further, the jacking cylinder is installed on jacking cylinder frame, and fixed on vehicle frame there are four jacking cylinder framves, wherein
Two jacking cylinder framves are located at the tail end two sides of vehicle frame, other two is located at the both sides of the front end of front clamp block, jacking cylinder cylinder
Universal spherical joint supporter is connected below bar, clamping oil cylinder is installed on vehicle frame by oil cylinder bracket.
Further, the pin shaft hole is located above car axle hole.
Further, the vehicle frame two sides are respectively provided with two walking units.
Further, the tilt angle of the inclined surface of the rear grip block and front clamp block is 30-60 degree.
Further, fixed ring is symmetrically connected on the outside of the two sides of the vehicle frame, fixed ring is located between two axles.
Compared with the existing technology, the moving device of main landing gear described in the utility model, which has the advantage that, provides
A kind of alternate device of main landing gear, quickly can shift runway for aircraft.The equipment integral layout beauty atmosphere, power unit
Preposition and draw bar perfect engagement makes the outer dimension of vehicle more regular, and power unit is preposition to be ensure that during use
Power unit will not be damaged, while also facilitate maintenance.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is structural schematic diagram when the utility model is applied；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of vehicle frame and front clamp block；
Fig. 4 is the structural schematic diagram of rear grip block；
Fig. 5 is the structural schematic diagram of rear grip block；
Fig. 6 is the schematic diagram under the supporting leg raised configuration of walking unit；
Fig. 7 is the schematic diagram under the supporting leg decline state of walking unit；
Fig. 8 is the structural schematic diagram of draw bar；
Fig. 9 is the schematic diagram of the utility model operating procedure first step；
Figure 10 is the schematic diagram of the utility model operating procedure second step；
Figure 11 is the schematic diagram of the utility model operating procedure third step；
Figure 12 is the main view of Figure 11；
Figure 13 is the schematic diagram of the 4th step of the utility model operating procedure；
Figure 14 is the clamping schematic illustration of undercarriage wheel；
Figure 15 is the structural schematic diagram that metal sliding rail is equipped on vehicle frame；
Figure 16 is the structural schematic diagram of jacking cylinder；
Description of symbols:
1- vehicle frame；101- jacking cylinder frame；102- anti-dumping oblique orbit；103- oil cylinder bracket；104- oil cylinder connecting hole；105-
Fixed ring；106- axle；107- metal sliding rail；Grip block after 2-；201- towing pad；202- front-wheel；203- braced wing；204-
Anti-dumping inclined plate；205- rear-wheel；3- undercarriage wheel；4- jacking cylinder；5- power unit；6- draw bar；7- control unit；8- fore-clamp
Hold block；9- walking unit；901- universal wheel；Supporting rack in 902-；903- pin shaft；The outer supporting rack of 904-；The connection of 905- axle
Hole；10- clamps oil cylinder；11- universal spherical joint supporter.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As illustrated in figs. 1-16, a kind of moving device of main landing gear, including it is vehicle frame 1, front clamp block 8, rear grip block 2, dynamic
Power unit 5, control unit 7, draw bar 6 and walking unit 9, front clamp block 8 is fixed on the position that vehicle frame 1 leans on front end, rear to clamp
Block 2 is removably connected to the rear end of vehicle frame 1, surrounds between vehicle frame 1, front clamp block 8 and rear grip block 2 for placing undercarriage
The space of wheel 3, vehicle frame (Figure 12) are welded using profile and plate.
Draw bar 6 is removably connected to the front end of vehicle frame 1, and the main structure of draw bar 6 is as shown in figure 8, be two rectangles
Pipe is welded, and structure is simple, and draw bar 6 is connected by pin and vehicle frame 1, convenient disassembly, will when the equipment replacement undercarriage
Draw bar 6 removes, when do not use need by the equipment be put in storage when, vehicle frame 1 is installed into draw bar 6, which is transferred to
Warehouse.
Power unit 5 is installed on vehicle frame 1, and between draw bar 6 and front clamp block 8, and control unit 7 is set to power
The side of unit 5, power unit 5 provide energy using battery, and environmentally protective, small in size, noise is small.Hydraulic system is using straight
Galvanic electricity machine provides hydraulic coupling, adds three-phase motor using inverter for powerful equipment.Control unit 7 uses wireless control.
1 two sides of vehicle frame are respectively provided with two walking units 9, and are symmetrical arranged.Each walking unit 9 includes interior supporting leg
Frame 902, outer supporting rack 904 and universal wheel 901 pass through a common axle between interior supporting rack 902 and outer supporting rack 904
106 are connected on vehicle frame 1, and are locked by pin shaft 903, and pin shaft 903 is through on interior supporting rack 902 and outer supporting rack 904
Pin shaft hole, the pin shaft hole (i.e. the position of pin shaft 903) are located above axle connecting hole 905 (i.e. the position of axle 106).Axle
106 be walking unit 9 and the position that vehicle frame 1 connects, and the determination of the position needs to guarantee the weight that eight universal wheels 901 are born
It is substantially uniform, if 106 position unreasonable distribution of axle will lead to the front-wheel or rear-wheel unbalance loading of walking unit 9.Interior supporting rack 902
Respectively pass through supporting leg with the lower end of outer supporting rack 904 and connects a universal wheel 901.Supporting rack passes through and the connection composition of axle 106 is cut
Fork elevating mechanism, after taking out pin shaft, supporting leg can be risen, and vehicle frame landing, installation upper pin walking mechanism can after supporting leg decline
With walking.The design of the structure of interior supporting rack 902 and outer supporting rack 904, needs to guarantee that supporting rack is not during rise and fall
Interfere with universal wheel 901, the structural style of supporting rack is not limited to Fig. 6, shown in 7；The selection of universal wheel 901 will guarantee that equipment exists
What all directions adjusted under undercarriage is convenient and efficient.
It is set on the vehicle frame 1 there are two clamping oil cylinder 10 and four jacking cylinders 4, clamping oil cylinder 10 is symmetrically set in vehicle frame 1
Two sides, the position of close rear and front end of each clamping oil cylinder 10 is respectively provided with a jacking cylinder 4, the cylinder rod of jacking cylinder 4
Downwards, the cylinder rod end for clamping oil cylinder 10 is removably connected to rear grip block 2, can specifically be connected by pin shaft or hook.
The opposite face of grip block 2 and front clamp block 8 is that inclined inclined surface, two inclined surface are and undercarriage wheel 3 towards each other after described
Picking-up contact surface.It is inclined-plane of two grip blocks with the same angle that it is (as shown in figure 14), which to clamp principle, passes through clamping oil
Cylinder 10, which clamps two inclined-planes, carrys out lifting gear wheel 3；In the case that the angle design on two inclined-planes needs to guarantee tire landing
Undercarriage wheel 3 is clamped, while too big horizontal force cannot be generated during rising undercarriage wheel 3.Grip block 2 and fore-clamp afterwards
The tilt angle for holding the inclined surface of block 8 is preferably 45 degree, but is not limited to 45 degree of angles.Grip block surface (at tire interface) can
Wearing plate is installed.It can also use bundling belt will be on tyre binding to vehicle frame 1 the fixation of undercarriage wheel 3.
The jacking cylinder 4 is installed on jacking cylinder frame 101, is fixed on vehicle frame 1 there are four jacking cylinder frame 101,
In two jacking cylinder framves 101 be located at the tail end two sides of vehicle frame 1, other two is located at the both sides of the front end of front clamp block 8, jacking
Universal spherical joint supporter 11 is connected below 4 cylinder rod of oil cylinder, clamping oil cylinder 10 is installed on vehicle frame 1 by oil cylinder bracket 103.Oil cylinder connects
It connects hole 104 and oil cylinder bracket 103 is to clamp being connected and fixed for oil cylinder 10.The abnormity design of jacking cylinder frame 101 is in order to full
Oil cylinder is liftoff when sufficient jacking cylinder 4 rises, while being the connection of hydraulic oil pipe and the connection of fixing bolt for convenience.
Jacking cylinder 4 needs the synchronous of safety action with clamping oil cylinder 10, jacking cylinder 4 is asynchronous be easy to cause oil cylinder by
Power unbalance loading, in order to avoid unbalance loading, the method that this patent uses flexural pivot supporting leg and synchronous valve controls；It is asynchronous to clamp oil cylinder 10,
It will cause the difficulty that rear grip block 2 is connected with oil cylinder, while will cause gear tyre discontinuity, this patent is using synchronization
Valve control.
In order to overall beautiful, the structure of front clamp block 8 (as shown in Figure 3) is designed as welding together with vehicle frame 1, rear to clamp
The structure of block 2 (as illustrated in figures 4-5) is designed as packaged type.The front end of grip block 2 is equipped with a front-wheel 202, front-wheel 202 afterwards
For single-wheel, can rise when not in use.The rear end of grip block 2 is symmetrically arranged with two rear-wheels 205 afterwards, and rear-wheel 205 is adjustable
Height castor facilitates the height of grip block after adjusting when installation.
The two sides of grip block 2 are symmetrically connected with braced wing 203 after described, and the front end of braced wing 203 is equipped with towing pad 201,
It cooperates, is intertwined by pin shaft or bolt, realization is detachably connected with the mounting hole of the cylinder rod of clamping oil cylinder 10.Support
The wing 203 and vehicle frame 1 play the role of supporting undercarriage weight when contacting.
The two sides of grip block 2 are symmetrically fixed with anti-dumping inclined plate 204 afterwards, and anti-dumping inclined plate 204 is set to 203 lower section of braced wing, vehicle
The inside of frame 1 is symmetrically arranged with horizontally disposed anti-dumping oblique orbit 102, and 1 upper surface of vehicle frame is equipped with metal sliding rail 107, gold
Belong to sliding rail 107 to connect by sunk screw with vehicle frame 1, braced wing 203 slides on metal sliding rail 107.Anti-dumping inclined plate 204 is anti-
Sliding in inclined plane 102.Anti-dumping inclined plate 204 causes rear grip block 2 to incline after preventing undercarriage wheel 3 from acting on clamping ramps
It turns over.
Be symmetrically connected with fixed ring 105 on the outside of the two sides of the vehicle frame 1, fixed ring 105 be located at two axles 106 it
Between.The design of fixed ring 105 facilitates the lifting of vehicle, while being also the link position of bundling belt fixed landing gear.
Equipment operation process is as described and depicted in figs. 9-13.The first step, as shown in figure 9, rear grip block 2 is withdrawn from 1 rear end of vehicle frame,
Surround equipment by locking undercarriage wheel 3, second step as shown in Figure 10 ressembles rear grip block 2 on vehicle frame 1, and and
Oil cylinder 10 is clamped to connect；Third step, as depicted in figs. 11-12, the cylinder rod of jacking cylinder 4 are stretched out, and walking unit pin shaft 903 is extracted,
The cylinder rod of jacking cylinder 4 is withdrawn, by the whole landing of vehicle frame 1；4th step, as shown in figure 13, grip block after clamping oil cylinder 10 tenses
2, jacking cylinder 4 is stretched out by gear tyre locking, installs walking unit pin shaft 903, the cylinder rod of jacking cylinder 4 is complete
Complete to withdraw, walking unit 9 replaces damaged tire to walk.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of moving device of main landing gear, it is characterised in that: including vehicle frame (1), front clamp block (8), rear grip block (2),
Power unit (5), control unit (7), draw bar (6) and walking unit (9), front clamp block (8) are fixed on vehicle frame (1) by front end
Position, rear grip block (2) is removably connected to the rear end of vehicle frame (1), vehicle frame (1), front clamp block (8) and rear grip block (2)
Between surround space for placing undercarriage wheel (3), draw bar (6) is removably connected to the front end of vehicle frame (1), power unit
(5) it is installed on vehicle frame (1), and between draw bar (6) and front clamp block (8), control unit (7) is set to power unit
(5) side, walking unit (9) are symmetrically set in the two sides of vehicle frame (1)；
It is set on the vehicle frame (1) there are two clamping oil cylinder (10) and four jacking cylinders (4), clamping oil cylinder (10) is symmetrically set in vehicle
The two sides of frame (1), the position of the close rear and front end of each clamping oil cylinder (10) are respectively provided with a jacking cylinder (4), jacking oil
Downwards, clamping oil cylinder (10) cylinder rod is detachably connected the cylinder rod of cylinder (4) with rear grip block (2)；
Each walking unit (9) includes interior supporting rack (902), outer supporting rack (904) and universal wheel (901), interior supporting rack (902)
It is connected on vehicle frame (1) between outer supporting rack (904) by a common axle (106), and is locked by pin shaft (903)
Tightly, pin shaft (903) is through interior supporting rack (902) and outer supporting rack (904), interior supporting rack (902) and outer supporting rack (904)
Lower end respectively connects a universal wheel (901) by supporting leg.
2. the moving device of main landing gear according to claim 1, it is characterised in that: the two sides of grip block (2) after described
It is symmetrically connected with braced wing (203), the front end of braced wing (203) and the cylinder rod of clamping oil cylinder (10) are detachably connected.
3. the moving device of main landing gear according to claim 1, it is characterised in that: the two sides of grip block (2) after described
It is symmetrically fixed with anti-dumping inclined plate (204), anti-dumping inclined plate (204) is set to below braced wing (203), and the inside of vehicle frame (1) is symmetrically set
There is horizontally disposed anti-dumping oblique orbit (102), vehicle frame (1) upper surface is equipped with metal sliding rail (107), metal sliding rail
(107) it is connect by sunk screw with vehicle frame (1), braced wing (203) slides on metal sliding rail (107), anti-dumping inclined plate (204)
The sliding in anti-dumping oblique orbit (102).
4. the moving device of main landing gear according to claim 1, it is characterised in that: grip block (2) and fore-clamp after described
The opposite face for holding block (8) is that inclined inclined surface, two inclined surface are the picking-up contact surface with undercarriage wheel (3) towards each other.
5. the moving device of main landing gear according to claim 1-4, it is characterised in that: grip block after described
(2) front end is equipped with a front-wheel (202), and the rear end of rear grip block (2) is symmetrically arranged with two rear-wheels (205), front-wheel (202) with
Rear-wheel (205) is height-adjustable.
6. the moving device of main landing gear according to claim 1, it is characterised in that: the jacking cylinder (4) is installed on
On jacking cylinder frame (101), fixed on vehicle frame (1) there are four jacking cylinder frame (101), two of them jacking cylinder framves (101)
Positioned at the tail end two sides of vehicle frame (1), other two is located at the both sides of the front end of front clamp block (8), jacking cylinder (4) cylinder rod lower section
It connects universal spherical joint supporter (11), clamping oil cylinder (10) is installed on vehicle frame (1) by oil cylinder bracket (103).
7. the moving device of main landing gear according to claim 1, it is characterised in that: pin shaft hole is located at car axle hole (905)
Top.
8. the moving device of main landing gear according to claim 1, it is characterised in that: vehicle frame (1) two sides are respectively provided with
Two walking units (9).
9. the moving device of main landing gear according to claim 1, it is characterised in that: grip block (2) and fore-clamp after described
The tilt angle for holding the inclined surface of block (8) is 30-60 degree.
10. the moving device of main landing gear according to claim 1, it is characterised in that: outside the two sides of the vehicle frame (1)
Side is symmetrically connected with fixed ring (105), and fixed ring (105) is located between two axles (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095511.6U CN208842642U (en) | 2018-07-11 | 2018-07-11 | A kind of moving device of main landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095511.6U CN208842642U (en) | 2018-07-11 | 2018-07-11 | A kind of moving device of main landing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208842642U true CN208842642U (en) | 2019-05-10 |
Family
ID=66353099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821095511.6U Active CN208842642U (en) | 2018-07-11 | 2018-07-11 | A kind of moving device of main landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208842642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860648A (en) * | 2018-07-11 | 2018-11-23 | 中安（天津）航空设备有限公司 | A kind of Filtting device of the main landing gear for aviation field |
-
2018
- 2018-07-11 CN CN201821095511.6U patent/CN208842642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860648A (en) * | 2018-07-11 | 2018-11-23 | 中安（天津）航空设备有限公司 | A kind of Filtting device of the main landing gear for aviation field |
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