CN212373679U - Rapid moving equipment for undercarriage - Google Patents

Abstract

The utility model provides a rapid moving device of an undercarriage, which comprises a frame body, a lifting bottom plate, a rear pull rod and a bogie used for the rotation direction of the frame body; a bogie is arranged on the front side of the frame body; the front end of the bottom of the frame body is provided with a plurality of universal wheels, and the rear end is provided with a plurality of bearing wheels; the frame body is provided with a first driving unit; the output end of the first driving unit is detachably and fixedly connected with a rear pull rod, and the lifting bottom plate is installed in a closed area enclosed by the rear pull rod and the frame body; the lifting bottom plate can rotate upwards from one end close to the rear pull rod to one side close to the bogie; a first baffle is arranged on the lifting bottom plate; two adjustable brackets are installed on one side, close to the bogie, of the rear pull rod. The equipment of moving fast of undercarriage, can break away from the runway with the aircraft fast to shorten the detention time of aircraft on the runway, quick, effectual normal flight order at recovery airport.

Description

Rapid moving equipment for undercarriage

Technical Field

The utility model belongs to airborne vehicle rescue equipment field especially relates to an equipment is moved fast to undercarriage.

Background

In the process of landing the aircraft on the runway, the aircraft cannot move due to tire burst of the landing gear, air leakage and tire locking, so that the aircraft has long residence time on the runway and normal flight order is influenced. Therefore, there is a need for a transportation facility that can shorten the time that an aircraft is staying on a runway and quickly and efficiently restore the normal flight order at an airport.

Disclosure of Invention

In view of this, the utility model aims at providing a quick equipment of moving of undercarriage can break away from the runway with the aircraft fast to shorten the detention time of aircraft on the runway, quick, the effectual normal flight order who resumes the airport.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a rapid moving device of an undercarriage comprises a frame body, a lifting bottom plate, a rear pull rod and a bogie used for the rotation direction of the frame body;

the frame body is shaped like Jiong, and the bogie is arranged on the front side of the frame body; the front end of the bottom of the frame body is provided with a plurality of universal wheels, and the rear end is provided with a plurality of bearing wheels; the frame body is provided with a first driving unit, and the output end of the first driving unit can extend out of the frame body backwards; the output end of the first driving unit is detachably and fixedly connected with a rear pull rod, and the lifting bottom plate is installed in a closed area enclosed by the rear pull rod and the frame body;

the lifting bottom plate can rotate upwards from one end close to the rear pull rod to one side close to the bogie; a first baffle is arranged on the lifting bottom plate;

two adjustable brackets are arranged on one side of the rear pull rod, which is close to the bogie, and the two adjustable brackets correspond to the mounting positions of the first baffle; the distance between the two adjustable brackets can be adjusted; a landing gear wheel clamping part is arranged between the two adjustable brackets and the first baffle;

and a traction rod is arranged on the front side of the bogie.

Further, the bogie is rotatably connected to the front side of the frame body; the front ends of the two sides of the bogie are respectively connected with two universal wheel steering arms positioned at the two ends of the front side through steering rods, and the rear ends of the bogie are respectively connected with the frame body through second driving units; the front end of the bogie is detachably provided with a traction rod.

Furthermore, the two steering rods are arranged in a shape of a Chinese character 'ba'; one end of each of the two steering rods is hinged with the steering frame, and the other end of each of the two steering rods is connected with the universal wheel steering arms at the two ends of the front side of the frame body; the second driving unit is a hydraulic oil cylinder, an air cylinder or an electric cylinder; the output end of the second driving unit is connected with the bogie, and the second driving unit is fixed on the frame body.

Furthermore, the bogie, two front universal wheel connecting points, two steering rods and the frame body form a trapezoidal steering mechanism.

Further, the lifting bottom plate comprises a first plate and a second plate; the first plate and the second plate are detachably and fixedly connected, and a first baffle is arranged on the upper surface of the first plate or the upper surface of the second plate or the upper surface of the joint of the first plate and the second plate; the first plate or the second plate is connected with the two sides of the frame body through a revolute pair, and the lower surface of one side, close to the rear pull rod, of the second plate is provided with a lifting unit.

Further, the first plate and the second plate are connected through bolts; support shafts are arranged on two sides of the first plate or the second plate, and the outer ends of the support shafts are inserted into support shaft seats on the frame body and are rotatably connected with the support shaft seats; one end of the second plate, which is close to the rear pull rod, is provided with two integrally upward convex parts, and the lower surfaces of the convex parts are connected with the output ends of the lifting units; the lifting unit is installed on the first driving unit.

Further, the frame body comprises a front end frame, a left side frame and a right side frame, and the left side frame and the right side frame are connected with the front end frame through bolts.

Further, the first driving unit is a load-sensitive hydraulic system; the first driving unit comprises a hydraulic system cabin, a hydraulic operating platform and two oil cylinders; the left frame and the right frame of the frame body are both box structures, a hydraulic system cabin is installed in the left frame, and a hydraulic operating platform is installed in the right frame; the two oil cylinders are respectively arranged on the inner sides of the left side frame and the right side frame, and piston rods of the oil cylinders are connected with telescopic pull rods; the telescopic pull rod is positioned above the piston rod connected with the telescopic pull rod, and the telescopic pull rod and the piston rod are arranged in parallel.

Furthermore, the lifting bottom plate is arranged between the two oil cylinders; the end parts of the two telescopic pull rods are detachably connected with the rear pull rod, the inner side surfaces of piston rods of the two oil cylinders, which are close to the end parts, are provided with supporting leg oil cylinders, and the bottoms of the supporting leg oil cylinders are provided with directional wheels.

Furthermore, the adjustable bracket is arranged on the rear pull rod through a lead screw, and the distance between the adjustable bracket and the first baffle can be adjusted through adjusting the lead screw; the rear pull rod is provided with a lifting support leg; and a parallel connection port is arranged on the frame body.

Another object of the present invention is to provide a method for using the rapid moving device of the landing gear, which can realize the moving of the 4-wheel and 6-wheel landing gears of the main landing gear.

A method of using a rapid removal device for landing gear as described above, the method comprising: after the rear pull rod is removed, the opening sides of the frame body openings of the two rapid moving devices of the undercarriage are oppositely arranged and connected, so that the damaged undercarriage is located on the lifting bottom plate of the two rapid moving devices of the undercarriage, and the damaged undercarriage is moved together.

Preferably, the method of locating a damaged undercarriage on the lifting floor of two of said undercarriage rapid-movement devices comprises the steps of:

(1) the two rapid moving devices of the undercarriage are pulled to the damaged undercarriage, the lifting bottom plate is lowered to the lowest position, and the telescopic pull rod extends to the maximum position, so that the damaged undercarriage is located in an area defined by the telescopic pull rods of the two rapid moving devices of the undercarriage;

(2) stretching the telescopic pull rods of the two rapid moving devices of the undercarriage to a certain position, and detachably connecting the telescopic pull rods of the two rapid moving devices of the undercarriage together;

(3) the telescopic pull rod of the rapid moving equipment of one landing gear retracts, and the damaged landing gear is shoveled onto the lifting bottom plate of the rapid moving equipment of the two landing gears;

(4) retracting the telescopic pull rod of the rapid moving equipment of the undercarriage to the minimum position in the step (3);

(5) and (4) starting a lifting unit of the rapid moving equipment of the undercarriage in the step (3), and lifting the second plate to the highest position to place the damaged undercarriage on the lifting bottom plates of the two rapid moving equipment of the undercarriage.

Compared with the prior art, undercarriage move equipment fast have following advantage:

(1) a quick equipment of moving of undercarriage, can break away from the runway with the aircraft fast to shorten the detention time of aircraft on the runway, quick, effectual normal flight order at recovery airport.

(2) A quick equipment of moving of undercarriage, lifting floor front side and rear side rotate to be connected, the rear side sets up the lift unit, this kind of lever hoist mechanism promotes more laborsavingly.

(3) A quick equipment of moving of undercarriage, subsection about hydro-cylinder and flexible pull rod can be at a car length timing, compare in hydro-cylinder and flexible pull rod on an online, the volume of stretching out is bigger.

(4) A quick equipment of moving of undercarriage, adopt trapezoidal steering mechanism, turn to nimble reliable.

(5) A fast moving equipment of undercarriage, move fast when mainly being applicable to the flat tire of nose landing gear wheel axle group and main undercarriage, gas leakage and tire locking.

The using method of the rapid moving device for the undercarriage is basically the same as the advantages of the rapid moving device for the undercarriage compared with the prior art, and the description is omitted here.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a perspective view of a fully retracted state of a telescopic rod of a rapid moving device of an undercarriage according to an embodiment of the present invention;

fig. 2 is a perspective view of an angle when the telescopic rod of the rapid moving device of the undercarriage according to the embodiment of the present invention is extended;

fig. 3 is a perspective view of another angle when the telescopic rod of the rapid moving device of the landing gear according to the embodiment of the present invention is extended;

FIG. 4 is a perspective view of the elevator base plate;

fig. 5 is a perspective view of a part of the rapid moving device of the landing gear, which does not include a traction rod and a lifting bottom plate according to the embodiment of the present invention;

fig. 6 is a structural view of the lifting bottom plate and the frame body when the rapid moving equipment of the undercarriage according to the embodiment of the present invention does not include the traction rod;

fig. 7 is a structural diagram of a rapid moving device of an undercarriage according to an embodiment of the present invention without a drawbar and a rear drawbar;

FIG. 8 is a view showing the structure of the telescopic rod and the cylinder;

FIG. 9 is a schematic diagram of the operation of the oil cylinder and the telescopic rod;

FIG. 10 is a block diagram of a truck location;

FIG. 11 is a schematic diagram of the operation of the trapezoidal steering mechanism;

fig. 12 is a first state diagram of the undercarriage quick-moving device according to the embodiment of the present invention, when the undercarriage quick-moving device is used for a two-wheeled vehicle with a damaged undercarriage;

fig. 13 is a second state diagram of the undercarriage quick moving device according to the embodiment of the present invention, when the undercarriage quick moving device is used for a two-wheeled vehicle with damaged undercarriage;

fig. 14 is a third state diagram of the undercarriage rapid-movement device according to the embodiment of the present invention, when the undercarriage rapid-movement device is used for a two-wheeled bicycle with damaged undercarriage;

fig. 15 is a fourth state diagram of the rapid undercarriage moving device according to the embodiment of the present invention, when the rapid undercarriage moving device is used for a two-wheeled bicycle with a damaged undercarriage;

fig. 16 is a fifth state diagram of the rapid undercarriage moving device according to the embodiment of the present invention, when the device is used on a two-wheeled bicycle with damaged undercarriage (i.e. the device completely moves the damaged undercarriage onto the lifting base plate);

fig. 17 is a first state diagram of the undercarriage quick moving device according to the embodiment of the present invention, when the six damaged undercarriage wheels are used in parallel;

fig. 18 is a second state diagram of the undercarriage quick moving device according to the embodiment of the present invention, when the six damaged undercarriage wheels are used in parallel;

fig. 19 is a third state diagram of the undercarriage rapid moving apparatus according to the embodiment of the present invention, when the six damaged undercarriage wheels are used in parallel;

fig. 20 is a fourth state diagram of the undercarriage rapid-movement device according to the embodiment of the present invention, when the undercarriage is used in parallel with six damaged undercarriage wheels;

fig. 21 is a fifth state diagram of the rapid moving device for the landing gear according to the embodiment of the present invention, when the device is used for combining six damaged landing gears;

fig. 22 is a sixth state diagram of the undercarriage fast moving apparatus according to the embodiment of the present invention, when the six damaged undercarriages are used in parallel;

fig. 23 is a seventh state diagram of the undercarriage fast moving apparatus according to the embodiment of the present invention, when the six damaged undercarriage wheels are used in parallel;

fig. 24 is a state diagram of a rapid moving device for an undercarriage according to an embodiment of the present invention, when the device is used for a parallel operation of four damaged undercarriage wheels.

Description of reference numerals:

1-a frame body; 101-a front end frame; 102-a left side frame; 103-right side frame; 101-hydraulic system cabin; 2-lifting the bottom plate; 201-a first plate; 202-a second plate; 2021-boss; 3-a rear pull rod; 4-a bogie; 5-universal wheels; 6-a first drive unit; 601-hydraulic system bay; 602-a hydraulic console; 603-oil cylinder; 604-a piston rod; 605-free bearing; 7-a first baffle; 8-a lifting unit; 9-an adjustable bracket; 10-a landing gear wheel engaging portion; 11-a drawbar; 12-a steering rod; 13-a second drive unit; 14-arc jaw; 15-a click rod; 16-fulcrum shaft; 17-fulcrum seat; 18-telescopic pull rod; 19-a support oil cylinder; 20-an orientation wheel; 21-parallel connection port; 22-damaged landing gear; 23-lifting support legs; 24-a first pin; 25-a second pin; 26-front side castor attachment point; 27-a gantry axis; 28-universal wheel steering arm; 29-first quick moving equipment for falling off the shelf; 30-a second gear quick-moving device; 31-a lead screw; 32-load bearing wheel.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3 and 5-7, a rapid moving device for an undercarriage comprises a frame body 1, a lifting base plate 2, a rear pull rod 3 and a bogie 4 for the rotation direction of the frame body 1; the frame body 1 is formed by welding high-strength sectional materials, the left main structure and the right main structure are symmetrical structures, and the whole structure is shaped like a Chinese character 'Jiong'. The front side of the frame body 1 is provided with the bogie 4, so that the whole steering of the frame body is facilitated, the front side of the bogie 4 is provided with a traction rod 11, the traction rod is preferably of a detachable structure, and a front vehicle is arranged on the traction rod to perform traction operation when the traction is required; and the traction rod is disassembled when the vehicle is operated. In order to facilitate the movement of the frame body, the front end of the bottom of the frame body 1 is provided with a plurality of universal wheels 5, and the rear end is provided with a plurality of bearing wheels 32, for example, two universal wheels can be respectively arranged on two sides of the front end of the frame body (i.e. the front end of the front side frame mentioned later), and two bearing wheels 32 can be respectively arranged on two sides of the rear end of the frame body (i.e. the rear ends of the left side frame and the right side frame mentioned later). A first driving unit 6 is installed on the frame body 1, the output end of the first driving unit 6 can extend backwards out of the frame body 1, and the damaged undercarriage is pulled onto the lifting bottom plate 2 in the frame body. The output end of the first driving unit 6 can be detachably and fixedly connected with the rear pull rod 3, and one side of the rear pull rod 3 can be opened or integrally removed from the frame body when the bicycle is used conveniently. The lifting bottom plate 2 is installed in a closed area defined by the rear pull rod 3 and the frame body 1, and particularly the lifting bottom plate 2 needs to be installed in the bottom area in the frame body frame. The lifting bottom plate 2 can rotate from one end close to the rear pull rod to the side close to the bogie 4 upwards, so that the damaged undercarriage can be conveniently moved into the frame body when in use, but in order to limit the placement position of the damaged undercarriage on the lifting bottom plate in the frame body, a first baffle 7 is arranged on the lifting bottom plate 2; two adjustable brackets 9 are arranged on one side of the rear pull rod 3 close to the bogie 4, the two adjustable brackets 9 correspond to the installation positions of the first baffle 7, and a landing gear wheel clamping part 10 is arranged between the adjustable brackets 9 and the first baffle 7. Meanwhile, in order to adapt to the difference of the wheelbases of two wheels of different models, the different models are moved, and the distance between the two adjustable brackets 9 is designed into an adjustable form. Specifically, the following structure may be adopted: a screw rod 31 is installed on one side, close to the lifting bottom plate 2, of the rear pull rod 3 along the width direction of the frame body, two adjustable brackets 9 are installed on the screw rod at intervals, and it is guaranteed that the two adjustable brackets 9 are right opposite to the center of gravity of the wheel surface of the damaged undercarriage to be moved. Thus, the distance between the two adjustable brackets 9 can be adjusted by adjusting the screw rod so as to adapt to models with different wheelbases. It should be noted that the structure of the adjustable bracket is not limited, and a better structure is shown in fig. 3, one side of the adjustable bracket close to the first baffle 7 may be arc-shaped and is composed of a plurality of rollers arranged in parallel up and down. In addition, a lifting leg 23 is mounted on the rear draw bar 3. The rear pull rod primarily pulls the damaged landing gear to the lifting floor.

As an alternative embodiment of the present invention, the frame body 1 adopts a splicing structure, and includes a front end frame 101, a left side frame 102 and a right side frame 103, and the left side frame 102 and the right side frame 103 are both connected to the front end frame through bolts.

The utility model discloses in, first drive unit 6 adopts the sensitive hydraulic system of load, according to load output hydraulic demand, the output is little for the hour of demand, and the system output is big when the load demand is big, and this hydraulic system can satisfy the front and back two cars and move the work, and satisfies the requirement of low-power consumption, satisfies the requirement of wide power input normal use. More specifically, the first drive unit 6 includes a hydraulic system compartment 601, a hydraulic operation table 602, and two oil cylinders 603; the left side frame 102 and the right side frame 103 of the frame body 1 are both box structures, a hydraulic system cabin 601 is installed in the left side frame 102, and a hydraulic operating platform 602 is installed in the right side frame 103; the two oil cylinders 603 are respectively arranged on the inner sides of the left side frame 102 and the right side frame 103 through hinged supports 605, the hydraulic system cabin 601, the hydraulic operating platform 602 and the two oil cylinders 603 are connected together through hydraulic pipelines, and the movement of the oil cylinders can be controlled through the hydraulic operating platform 602. The piston rod of the oil cylinder 603 is connected to the telescopic rod 18, and the specific connection manner may be that the end of the piston rod 604 is fixedly connected to the telescopic rod 18 through the first pin 24 by a connecting rod, so that the telescopic rod 18 is located above the piston rod connected thereto, and the two are arranged in parallel (as shown in fig. 8 and 9). When the damaged undercarriage is rescued, the rear pull rod is opened, the telescopic pull rod extends to the tail part of the wheel (the head part is the front part) through the control valve on the hydraulic operating platform 602, the rear pull rod is connected, and the damaged undercarriage wheel of the aircraft is pulled to the lifting bottom plate through the oil cylinder.

Wherein the lifting bottom plate 2 is arranged between the two oil cylinders 603; the end parts of the two telescopic pull rods 18 close to one end of the rear pull rod are detachably connected with the rear pull rod 3, and can be connected through a quick pin.

As an optional embodiment of the present invention, the piston rods of the two oil cylinders 603 are all installed with the supporting oil cylinder 19 near the inner side surface of the end, the bottom of the supporting oil cylinder 19 is installed with the directional wheel 20 (as shown in fig. 7), when the extension distance of the telescopic pull rod is far away, the end of the telescopic pull rod is far away from the oil cylinder and can sink, and because the oil cylinder and the telescopic pull rod are not on an axis, the moment can be generated, the supporting oil cylinder and the directional wheel are used to ensure the level of the telescopic pull rod constantly, and the telescopic operation is labor-saving.

As an alternative embodiment of the present invention, the bogie 4 is rotatably connected to the front side of the frame body 1 through a frame body shaft 27; the front ends of the two sides of the bogie 4 are respectively positioned on two universal wheel steering arms 28 of the two ends of the front side of the frame body through steering rods 12, and the rear ends of the two universal wheel steering arms are respectively connected with the frame body 1 through second driving units 13; the front end of the bogie 4 is detachably provided with a traction rod 11. More specifically, the two steering levers 12 are arranged in a "splay" configuration; the two steering rods 12 are hinged to the bogie 4 at one end and connected (rotatably connected or hinged) to the upper ends of the universal wheel steering arms 28 at the two ends of the front side of the frame body at the other end, and as shown in fig. 10, one of the steering rods is connected to the left front end of the bogie and the universal wheel steering arm of the universal wheel on the left side of the front end of the frame body (i.e., the front left end of the front side frame), and the other steering rod is connected to the right front end of the bogie and the universal wheel steering arm of the universal wheel on the right side of the front end of the frame body (i.e., the front right end of the front side. The bogie 4, the two front universal wheel connecting points 26, the two steering rods 12 and the frame body 1 (specifically, the frame at the front end of the frame body) form a trapezoidal steering mechanism (as shown in fig. 10). The universal wheels are mounted on the frame body through a universal wheel steering arm 28, the two universal wheels positioned on the front side can meet the front bearing and steering requirements of the rapid moving equipment of the undercarriage, and the schematic diagram of the trapezoidal steering mechanism is shown in fig. 11.

In the present invention, the second driving unit 13 may be a hydraulic cylinder in some embodiments, or an air cylinder or an electric cylinder in other embodiments, but a hydraulic cylinder is preferred here. In particular, the connection between the second driving unit 13 and the bogie 4 and the frame body 1 may be that the output end (for example, a piston rod) of the second driving unit 13 is connected to the bogie 4, and the body (for example, a cylinder body) of the second driving unit 13 is fixed on the frame body 1. When the steering operation is performed, the second driving unit performs a telescopic motion, and then drives the bogie to rotationally swing around the bogie body shaft 27, and the steering rod 12 connected to the bogie body and the bogie rotates to drive the wheels (i.e., universal wheels) to steer.

The utility model discloses in, the lifting bottom plate structure is not limited, and for the convenience of transportation, lifting bottom plate can set to the structural style that a plurality of boards concatenation is fixed into a board. An alternative implementation may be: as shown in fig. 4, 1 and 6, the lifting base plate 2 includes a first plate 201 and a second plate 202; the first plate 201 and the second plate 202 are detachably connected, a first baffle 7 is mounted on the upper surface of the first plate 201 or the upper surface of the second plate 202 or the upper surface of the joint of the first plate 201 and the second plate 202, and the mounting position of the first baffle is determined according to the model. The first plate 201 or the second plate 202 is connected with two sides of the frame body 1 (namely, the left frame body and the right frame body) through a revolute pair, and the lower surface of the second plate 202 close to the rear pull rod 3 is provided with the lifting unit 8.

More specifically, as for the connection manner of the first plate 201 and the second plate 202, the optional connection structure is: the first plate 201 and the second plate 202 are both of a U-shaped structure with flat-plate-shaped bottoms, the vertical parts of the first plate 201 and the second plate 202 are connected through bolts, fulcrum shafts 16 are mounted on two sides of the first plate 201 or the second plate 202, the outer side ends of the two fulcrum shafts 16 are inserted into the fulcrum shaft seats 17 on the frame body and are rotatably connected with the fulcrum shaft seats 17, and the two fulcrum shafts share the same axis.

In the case of installing the lifting unit 8, in order to realize that the lifting base plate can be rotated from the end near the rear tie rod upward to the side near the bogie 4, the following structure may be adopted: one end of the second plate 202, which is close to the rear pull rod 3, is provided with two integral upward protruding portions 2021, the protruding portions may be integrally formed with the second plate, or may be fixedly connected to the surface of the second plate in a split manner, and meanwhile, the protruding portions are in a hollow shell shape, and the lower surface of the protruding portions 2021 is connected with the output end of the lifting unit 8; the lifting unit 8 is mounted on the first driving unit 6, specifically, fixedly connected to the mounting frame of the cylinder through a second pin 25. When the damaged undercarriage is pulled to the lifting bottom plate through the rear pull rod, the tail part (the second plate) of the lifting bottom plate is lifted off around the fulcrum under the action of the jacking oil cylinder by controlling the lifting unit, and the damaged undercarriage can be moved to one side, close to the bogie, of the lifting bottom plate.

Preferably, the lifting unit 8 may be a lift cylinder, an air cylinder or an electric cylinder, but a lift cylinder may be preferably used. Meanwhile, in order to prevent the lifting bottom plate from turning on one side, the front end of the first plate 201 is provided with a plurality of arc-shaped clamping jaws 14 which can be arranged into an anti-tilting structure which tilts from one side close to the bogie to one side close to the rear pull rod from top to bottom, and the arc-shaped clamping jaws can be supported by clamping rods 15 on the frame body during use. The quantity of arc jack catch 14 can set up as required, the utility model discloses in set up 2, and 2 arc jack catch interval determining interval settings.

In addition, as shown in fig. 1, a parallel connection port 21 is provided on the frame body 1, and is used for controlling two vehicles to work simultaneously through any one vehicle hydraulic system when the two vehicles work in parallel.

It should be noted that, when the cylinders are used as the lifting unit 8 and the second driving unit 13, they may be connected to the hydraulic system tank 601 and the hydraulic console 602 through hydraulic lines, and the movement of the cylinders may be controlled through the hydraulic console 602.

During the use, undercarriage move equipment fast and move impaired undercarriage, both can use by the bicycle, also can the car uses that parallels.

When the bicycle is used, the method is generally suitable for two-wheel damaged undercarriages, and taking the moving of the two-wheel damaged undercarriages as an example, the following steps can be adopted:

1) the quick moving equipment of the undercarriage of the utility model is pulled (the traction rod is not shown) to the position below the damaged undercarriage 22, the lifting bottom plate 2 falls down, and the rear pull rod 3 is opened (see figure 12);

2) closing the rear pull rod 3, and starting the two-end oil cylinders 603 to drag the damaged undercarriage to the lifting bottom plate 2 (see fig. 13);

3) the damaged landing gear is transferred to the appropriate position of the lifting bottom plate 2, the landing gear is fixed by the first baffle 7 (if necessary, the landing gear can be bound and fixed by a fastener) (see fig. 14);

4) the entire movement of the damaged landing gear towards the lifting floor 2 (see fig. 16) is achieved by activating the lifting unit 8 to lift the second plate 202 (see fig. 15).

When the combined vehicle is used, generally, for the moving of 4-wheel and 6-wheel damaged undercarriages of a main undercarriage, taking the moving of the 6-wheel damaged undercarriages as an example, the specific moving method comprises the following steps:

(1) opening the quick pin shaft between the rear pull rod tail part and the telescopic pull rod of the quick moving equipment (for convenience of description, marked as the first falling frame quick moving equipment 29 and the second undercarriage quick moving equipment 30) of the two undercarriages of the utility model, and removing the rear pull rod through the moving trolley and the tail part lifting support leg 23 (see fig. 17);

(2) drawing the two rapid moving devices of the landing gear to the damaged landing gear 22 (see fig. 18), lowering the lifting bottom plate 2 to the lowest position, and extending the telescopic pull rod 18 to the maximum position, so that the damaged landing gear 22 is positioned in the area surrounded by the telescopic pull rods 18 of the two rapid moving devices of the landing gear (see fig. 19);

(3) extending the telescopic pull rods 18 of the two rapid moving devices of the landing gear to a certain position, and detachably and fixedly connecting the telescopic pull rods 18 of the two rapid moving devices of the landing gear together through a rapid bolt (see fig. 20);

(4) one of the landing gear quick-shift devices (such as the second landing gear quick-shift device 30) retracts the telescopic rod 18, and the damaged landing gear 22 is shoveled onto the lifting bottom plate 2 of the two landing gear quick-shift devices (see fig. 21);

(5) retraction of the telescopic rods 18 of the second gear quick mover device 30 to a minimum position (see fig. 22);

(6) the lifting unit 8 of the second rapid undercarriage moving device 30 is activated to lift the second plate 202 to the uppermost position, so that the damaged undercarriage 22 is placed on the lifting floor 2 of both of said rapid undercarriage moving devices (see fig. 23).

(7) Damaged landing gear 22 is removed by a tow bar moving device.

If the main landing gear 4 is damaged and the vehicle is moved, the state diagram is shown in figure 24.

It should be noted that, when the vehicle is used in parallel, it is preferable to remove the traction rod of one of the quick-moving devices of the landing gear.

To sum up, undercarriage move equipment fast, structural following characteristics have: the bicycle frame body structure is designed in a split mode; the first driving unit adopts a hydraulic system and is distributed in a split type hydraulic mode; the lifting mechanism adopts a lever type lifting mechanism and a middle dumpling shaft, so that the lifting is more labor-saving, and an anti-dumping structure is also arranged; the tensioning mechanism is designed, the oil cylinder and the telescopic pull rod are distributed up and down at a certain length, and compared with the oil cylinder and the piston rod which are arranged on a line, the stretching amount is larger; the arm (namely the rear pull rod) is designed to be inclined and adjustable left and right; a trapezoidal steering mechanism: the steering is flexible and reliable; the design of the parallel operation can meet the moving requirement of a large airplane such as an A380 main landing gear.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A quick moving equipment of undercarriage is characterized in that: comprises a frame body (1), a lifting bottom plate (2), a rear pull rod (3) and a bogie (4) used for the rotation direction of the frame body (1);

the frame body (1) is in a shape of Jiong, and the bogie (4) is arranged on the front side of the frame body (1); the front end of the bottom of the frame body (1) is provided with a plurality of universal wheels (5), and the rear end is provided with a plurality of bearing wheels (32); a first driving unit (6) is mounted on the frame body (1), and the output end of the first driving unit (6) can extend out of the frame body (1) backwards; the output end of the first driving unit (6) is detachably and fixedly connected with a rear pull rod (3), and the lifting bottom plate (2) is installed in a closed area surrounded by the rear pull rod (3) and the frame body (1);

the lifting bottom plate (2) can rotate from one end close to the rear pull rod to one side close to the bogie (4) upwards; a first baffle (7) is arranged on the lifting bottom plate (2);

two adjustable brackets (9) are arranged on one side, close to the bogie (4), of the rear pull rod (3), and the two adjustable brackets (9) correspond to the mounting positions of the first baffle (7); the distance between the two adjustable brackets (9) is adjustable; a lifting frame wheel clamping part (10) is arranged between the two adjustable brackets (9) and the first baffle (7);

and a traction rod (11) is arranged on the front side of the bogie (4).

2. The rapid moving device of landing gear according to claim 1, characterized in that: the bogie (4) is rotatably connected to the front side of the frame body (1); the front ends of the two sides of the bogie (4) are respectively connected with two universal wheel steering arms positioned at the two ends of the front side through steering rods (12), and the rear ends of the two universal wheel steering arms are respectively connected with the frame body (1) through second driving units (13); the front end of the bogie (4) is detachably provided with a traction rod (11).

3. The rapid moving device of landing gear according to claim 2, characterized in that: the two steering rods (12) are arranged in a shape of 'eight'; one end of each of the two steering rods (12) is hinged with the steering frame (4), and the other end of each of the two steering rods is connected with the steering arms of the universal wheels at the two ends of the front side of the frame body; the second driving unit (13) is a hydraulic oil cylinder, an air cylinder or an electric cylinder; the output end of the second driving unit (13) is connected with the bogie (4), and the second driving unit (13) is fixed on the frame body (1).

4. A rapid landing gear moving apparatus according to claim 2 or claim 3, wherein: the bogie (4), two front universal wheel connecting points (26), two steering rods (12) and the frame body (1) form a trapezoidal steering mechanism.

5. The rapid moving device of landing gear according to claim 1, characterized in that: the lifting bottom plate (2) comprises a first plate (201) and a second plate (202); the first plate (201) and the second plate (202) are detachably and fixedly connected, and a first baffle (7) is arranged on the upper surface of the first plate (201), the upper surface of the second plate (202) or the upper surface of the joint of the first plate (201) and the second plate (202); the first plate (201) or the second plate (202) is connected with the two sides of the frame body (1) through a revolute pair, and the lower surface of one side, close to the rear pull rod (3), of the second plate (202) is provided with a lifting unit (8).

6. The rapid moving device of landing gear according to claim 5, wherein: the first plate (201) and the second plate (202) are connected through bolts; both sides of the first plate (201) or the second plate (202) are provided with a fulcrum shaft (16), and the outer end of the fulcrum shaft (16) is inserted into a fulcrum shaft seat (17) on the frame body and is rotationally connected with the fulcrum shaft seat (17); one end of the second plate (202), which is close to the rear pull rod (3), is provided with two integrally upward convex parts (2021), and the lower surfaces of the convex parts (2021) are connected with the output end of the lifting unit (8); the lifting unit (8) is mounted on the first drive unit (6).

7. The rapid moving device of landing gear according to claim 1, characterized in that: the bicycle frame body (1) comprises a front end bicycle frame (101), a left side bicycle frame (102) and a right side bicycle frame (103), and the left side bicycle frame (102) and the right side bicycle frame (103) are connected with the front end bicycle frame (101) through bolts.

8. The rapid movement device of landing gear according to claim 7, characterized in that: the first drive unit (6) is a load-sensitive hydraulic system; the first driving unit (6) comprises a hydraulic system cabin (601), a hydraulic operating platform (602) and two oil cylinders (603); the left side frame and the right side frame of the frame body (1) are both box body structures, a hydraulic system cabin (601) is installed in the left side frame, and a hydraulic operating platform (602) is installed in the right side frame; the two oil cylinders (603) are respectively arranged at the inner sides of the left side frame and the right side frame, and the piston rods of the oil cylinders (603) are connected with a telescopic pull rod (18); the telescopic pull rod (18) is positioned above the piston rod connected with the telescopic pull rod, and the telescopic pull rod and the piston rod are arranged in parallel.

9. The rapid movement device of landing gear according to claim 8, characterized in that: the lifting bottom plate (2) is arranged between the two oil cylinders (603); the end parts of the two telescopic pull rods (18) are detachably connected with the rear pull rod (3), the inner side surfaces, close to the end parts, of piston rods of the two oil cylinders (603) are respectively provided with a supporting leg oil cylinder (19), and the bottom of each supporting leg oil cylinder (19) is provided with a directional wheel (20).

10. The rapid moving device of landing gear according to claim 1, characterized in that: the two adjustable brackets (9) are arranged on the rear pull rod (3) through a lead screw, and the distance between the two adjustable brackets (9) can be adjusted through adjusting the lead screw; the rear pull rod (3) is provided with a lifting support leg (23); and a parallel connection port (21) is arranged on the frame body (1).

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