CN210505390U - Dismounting and mounting vehicle for main landing gear of airplane - Google Patents
Dismounting and mounting vehicle for main landing gear of airplane Download PDFInfo
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- CN210505390U CN210505390U CN201921348671.1U CN201921348671U CN210505390U CN 210505390 U CN210505390 U CN 210505390U CN 201921348671 U CN201921348671 U CN 201921348671U CN 210505390 U CN210505390 U CN 210505390U
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Abstract
The utility model discloses an aircraft main landing gear dismounting vehicle, which comprises an underframe, a lifting mechanism, an upper frame and a mobile platform; the lifting mechanism comprises a telescopic bracket and a power mechanism, wherein the telescopic bracket is respectively connected with the bottom frame and the upper frame, and the power mechanism is used for controlling the telescopic bracket to stretch; a moving platform mounting rack is arranged at the top of the upper rack, a plurality of balls are arranged on the surface of the moving platform mounting rack, and the moving platform is placed on the balls; the outer edge of the mobile platform mounting frame is provided with a rectangular limiting frame, each edge of the rectangular limiting frame is provided with a threaded hole in the horizontal direction, a screw rod is arranged in each threaded hole, one end of each screw rod extends into the inner ring of the rectangular limiting frame and is in sliding connection with the outer edge of the mobile platform along the axis direction perpendicular to the screw rods, and a screw rod adjusting hand wheel is arranged at the other end of each screw rod. The dismounting and mounting vehicle for the main undercarriage of the airplane is simple in structure and convenient to operate, can move in all directions on a plane, enables dismounting and mounting of the undercarriage to be more time-saving and labor-saving, reduces cost, and reduces the risk coefficient of manual work.
Description
Technical Field
The utility model belongs to the technical field of the aircraft assembly auxiliary device, concretely relates to aircraft main undercarriage dismouting car.
Background
The existing aircraft landing gear is usually disassembled and assembled by adopting a frame structure, the landing gear is arranged in the center of the frame, and the following problems mainly exist:
1. the frame structure is difficult to move omnidirectionally, and the posture is inconvenient to adjust;
2. the landing gear upright column and the landing gear wheels need to be disassembled in advance, and then the landing gear upright column and the landing gear wheels are respectively installed on the airplane or detached from the airplane;
3. two sets of equipment are required for dismounting and mounting the nose landing gear and the rear landing gear of the airplane, and the cost is high.
Therefore, part of enterprises needing to detach and install the aircraft landing gear even have to finish the operation completely by manpower, so that the labor intensity is increased, the labor efficiency is reduced, and the risk coefficient of the work of workers is greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned one or more technical problem that prior art exists, the utility model provides a remove nimble, convenient operation, reduce cost reduces the aircraft main undercarriage dismouting car of the danger coefficient of manpower during operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a disassembly and assembly vehicle for a main landing gear of an airplane comprises an underframe, a lifting mechanism, an upper frame and a moving platform; four corners of the bottom frame are respectively provided with a roller; the lifting mechanism comprises a telescopic bracket and a power mechanism, wherein the telescopic bracket is respectively connected with the bottom frame and the upper frame, and the power mechanism is used for controlling the telescopic bracket to stretch; a moving platform mounting rack is arranged at the top of the upper rack, a plurality of balls are arranged on the surface of the moving platform mounting rack, and the moving platform is placed on the balls; the outer fringe of moving platform mounting bracket is provided with the spacing frame of rectangle, every limit of the spacing frame of rectangle is provided with a screw hole respectively, every in the horizontal direction the threaded hole is provided with the lead screw respectively, the one end of lead screw stretch into the spacing frame of rectangle inner circle and with the perpendicular to is followed to moving platform's outer fringe the axis direction sliding connection of lead screw, the other end of lead screw is provided with lead screw adjusting hand wheel.
Furthermore, the mobile platform comprises a workbench surface, a circular hoop arranged on the workbench surface, wheel axle seats symmetrically arranged on two sides of the circular hoop, and a supporting mechanism arranged at the end part of the workbench surface.
Furthermore, the supporting mechanism comprises two supporting rods, one ends of the two supporting rods, which are opposite to each other, are connected through an adjusting screw rod, and an adjusting handle is arranged on the adjusting screw rod; one end of one of the support rods, which is far away from the adjusting screw rod, is hinged with the working table surface, and the other end of the other support rod, which is far away from the adjusting screw rod, is hinged with a clamping piece.
Furthermore, a plurality of landing mechanisms are arranged on the side part of the underframe.
Furthermore, the grounding mechanism comprises a grounding plate screw rod, a grounding plate arranged at the lower end of the grounding plate screw rod, a grounding plate cover plate fixedly connected with the grounding plate through a screw and a lifting adjusting hand wheel arranged at the upper end of the grounding plate screw rod.
Further, the telescopic bracket comprises two sets of scissors forks arranged in parallel, each set of scissors forks comprises a first movable rod and a second movable rod, the middle part of the first movable rod is hinged and connected with the middle part of the second movable rod, the bottom end of the first movable rod is hinged and connected with the chassis, the top end of the first movable rod is connected with the upper frame through a first connecting rod, and the bottom end of the second movable rod is connected with the chassis through a sliding connection.
Furthermore, the power mechanism comprises a hydraulic pump arranged on the bottom frame, the output end of the hydraulic pump is respectively connected with two hydraulic cylinders arranged on the second connecting rod, and the output ends of the two hydraulic cylinders are respectively hinged with the first connecting rod.
Further, the hydraulic pump is a hand pump.
Furthermore, a limiting screw rod for limiting the first movable rod to slide is arranged on the side portion of the upper frame.
Further, a towing rod is further arranged on the aircraft main landing gear dismounting vehicle.
Compared with the prior art, the utility model provides a technical scheme has following beneficial effect or advantage:
the utility model provides an aircraft main undercarriage dismouting car simple structure, convenient operation can all-round motion on the plane, makes the dismouting to the undercarriage save time more, laborsaving, and the cost is reduced reduces the danger coefficient of manpower during operation.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an aircraft main landing gear dismounting vehicle provided by an embodiment of the invention;
figure 2 is a top view of an aircraft main landing gear disassembly and assembly vehicle provided by an embodiment of the invention;
fig. 3 is a schematic structural view of an expansion bracket according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the fixing frame according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. For those skilled in the art, the drawings of the above terms in the embodiments with specific meanings in the present invention can be understood in specific situations, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the embodiment of the invention provides an aircraft main landing gear dismounting vehicle, which comprises an underframe 100, a lifting mechanism 200, an upper frame 300 and a mobile platform 400; four corners of the bottom of the chassis 100 are respectively provided with rollers 110; the lifting mechanism 200 comprises a telescopic bracket and a power mechanism for controlling the telescopic bracket to extend and retract, wherein the telescopic bracket is respectively connected with the underframe 100 and the upper frame 300; a moving platform mounting rack 310 is arranged at the top of the upper rack 300, a plurality of rolling balls 320 are arranged on the surface of the moving platform mounting rack 310, and the moving platform 400 is placed on the rolling balls; the outer edge of the mobile platform mounting frame 310 is provided with a rectangular limiting frame 330, each edge of the rectangular limiting frame 330 is provided with a threaded hole in the horizontal direction, a screw rod 331 is arranged in each threaded hole, one end of each screw rod 331 extends into the inner ring of the rectangular limiting frame 330 and is in sliding connection with the outer edge of the mobile platform 400 along the axis direction perpendicular to the screw rods 331, and a screw rod adjusting hand wheel 332 is arranged at the other end of each screw rod 331.
In specific implementation, moving platform 400 mainly is used for bearing main undercarriage, avoids main undercarriage to rock in dismouting and transportation, in further implementation, moving platform 400 in the embodiment of the utility model provides an specifically include table surface, sets up circular staple bolt on the table surface, the symmetry set up in the axle bed 410 of circular staple bolt both sides, and set up the supporting mechanism of table surface tip. Further, the supporting mechanism comprises two supporting rods 421 and 422, one ends of the two supporting rods 421 and 422 opposite to each other are connected through an adjusting screw rod 423, and an adjusting handle 424 is arranged on the adjusting screw rod 423; one end of one of the support rods 421, which is far away from the adjusting screw rod 423, is hinged to the working table top, and one end of the other support rod 422, which is far away from the adjusting screw rod 423, is hinged to a clamping piece 425. In the process of dismounting and transporting the main undercarriage of the airplane, the wheel shaft of the undercarriage is hooped by the hoop, the undercarriage is supported by the supporting mechanism, so that the undercarriage is stable, and the undercarriage can be effectively prevented from being overturned to injure workers and cause damage to the undercarriage when being inclined.
In specific implementation, in order to guarantee that this aircraft main landing gear dismouting car does not appear rocking at the in-process of dismouting undercarriage, in further implementation, the embodiment of the utility model provides a still be provided with a plurality of mechanism 120 that lands at the lateral part of chassis 100. Further, the grounding mechanism 120 specifically includes a grounding plate screw 121, a grounding plate 122 disposed at the lower end of the grounding plate screw 121, a grounding plate cover plate 123 fastened to the grounding plate 122 by a screw, and a lifting adjusting handwheel 124 disposed at the upper end of the grounding plate screw 121. Before carrying out the dismouting undercarriage, make the place 122 land through lift adjusting hand wheel 124 to for this aircraft main undercarriage dismouting car provides the support, can effectively avoid this aircraft main undercarriage dismouting car to appear rocking in the course of the work, promoted the job stabilization nature of this aircraft main undercarriage dismouting car.
In specific implementation, the kind of telescopic bracket has a lot, in further implementation scheme, the embodiment of the utility model discloses adopt telescopic bracket includes parallel arrangement's two sets of scissors forks, every group the scissors fork all includes first movable rod 211 and second movable rod 212, and the middle part of first movable rod 211 is connected with the middle part of second movable rod 212 is articulated, and the bottom of first movable rod 211 is connected with chassis 100 is articulated, the top and the upper ledge 300 sliding connection of first movable rod 211, the bottom and the chassis 100 sliding connection of second movable rod 212, the top and the upper ledge 300 of second movable rod 212 are articulated to be connected, and are two sets of connect through first connecting rod between the first movable rod 211 of scissors fork, and are two sets of connect through the second connecting rod between the second movable rod 212 of scissors fork. It should be noted that, in the embodiment of the present invention, the top end of the first movable rod 211 and the upper frame 300 may be slidably connected to each other by a sliding rail disposed on the upper frame 300, a sliding seat disposed on the sliding rail, and the top end of the first movable rod 211 is hinged to the sliding seat, and the telescopic bracket is in the telescopic process, the first movable rod 211 is driven by the power mechanism to slide along the sliding rail. Of course, other methods may be used, and are not limited herein. In addition, the bottom end of the second movable rod 212 is connected to the bottom frame 100 in a sliding manner, and the top end of the first movable rod 211 is connected to the upper frame 300 in a sliding manner, which is not described herein again.
At specific implementation in-process, can drive the flexible power unit of telescopic bracket has a lot of, in further embodiment, in the embodiment of the utility model provides an in power unit including setting up the hydraulic pump 220 on the chassis, the output of hydraulic pump 220 respectively with two set up in pneumatic cylinder 230 on the second connecting rod is connected, two pneumatic cylinder 230's output respectively with first connecting rod is articulated to be connected.
In a specific implementation process, furthermore, the type and the kind of the hydraulic pump 220 are many, and in a further implementation scheme, the hydraulic pump 220 in the embodiment of the present invention specifically adopts a hand pump. Of course, an automatic hydraulic pump may be used, and is not limited herein.
In specific implementation, in order to prevent at the in-process of dismouting undercarriage, the telescopic bracket appears rocking, in further embodiment, the embodiment of the utility model provides a lateral part at upper bracket 300 is provided with the gliding spacing lead screw 340 of first movable rod 211 of restriction. In the use, after table surface rises to the use height, adjust spacing lead screw 340, make it support tightly first movable rod 211, avoid it to appear the condition of outside slip, ensure table surface's stability.
At specific implementation in-process, in order to adjust the position of this aircraft main undercarriage dismouting car for the convenience, in further embodiment, the embodiment of the utility model provides a kitchen still be provided with tow bar 500 on the aircraft main undercarriage dismouting car.
The embodiment of the utility model provides an application method of aircraft main landing gear dismouting car as follows:
before use, checking whether foreign objects exist at key parts of the dismounting vehicle of the main landing gear of the airplane; checking whether the hydraulic pump normally operates; whether each wheel is firm or not is checked, and the wheel is free of looseness and damage.
When the dismounting vehicle is used, the dismounting vehicle for the main undercarriage of the airplane is pulled to a use position, the towing rod is pulled, the working position is adjusted, and then the landing mechanism is operated to land the landing disc so as to ensure that the dismounting vehicle for the main undercarriage of the airplane does not shake; then the hand-operated pump is shaken to straighten the working table to a proper height and is locked by a limit screw 340; then, the worktable surface is adjusted and positioned in the horizontal direction; and then the undercarriage wheel shaft is hooped by the hoop, the undercarriage is supported by the supporting mechanism, and then the follow-up work is carried out.
The embodiment of the utility model provides an aircraft main undercarriage dismouting car simple structure, convenient operation can all-round motion on the plane, makes the dismouting to the undercarriage save time more, laborsaving, and the cost is reduced reduces the danger coefficient of manpower during operation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 disassembly and assembly vehicle for a main landing gear of an airplane is characterized by comprising an underframe, a lifting mechanism, an upper frame and a mobile platform; four corners of the bottom frame are respectively provided with a roller; the lifting mechanism comprises a telescopic bracket and a power mechanism, wherein the telescopic bracket is respectively connected with the bottom frame and the upper frame, and the power mechanism is used for controlling the telescopic bracket to stretch; a moving platform mounting rack is arranged at the top of the upper rack, a plurality of balls are arranged on the surface of the moving platform mounting rack, and the moving platform is placed on the balls; the outer fringe of moving platform mounting bracket is provided with the spacing frame of rectangle, every limit of the spacing frame of rectangle is provided with a screw hole respectively, every in the horizontal direction the threaded hole is provided with the lead screw respectively, the one end of lead screw stretch into the spacing frame of rectangle inner circle and with the perpendicular to is followed to moving platform's outer fringe the axis direction sliding connection of lead screw, the other end of lead screw is provided with lead screw adjusting hand wheel.
2. The aircraft main landing gear disassembly and assembly vehicle of claim 1, wherein the mobile platform comprises a work table, a circular hoop disposed on the work table, axle seats symmetrically disposed on both sides of the circular hoop, and a support mechanism disposed at an end of the work table.
3. The aircraft main landing gear disassembly and assembly vehicle of claim 2, wherein the support mechanism comprises two support rods, the two support rods are connected at ends opposite to each other through an adjusting screw rod, and an adjusting handle is arranged on the adjusting screw rod; one end of one of the support rods, which is far away from the adjusting screw rod, is hinged with the working table surface, and the other end of the other support rod, which is far away from the adjusting screw rod, is hinged with a clamping piece.
4. An aircraft main landing gear disassembly and assembly vehicle according to claim 1, wherein the side of the undercarriage is further provided with a number of landing mechanisms.
5. The aircraft main landing gear disassembly and assembly vehicle of claim 4, wherein the landing mechanism comprises a landing disc screw, a landing disc provided at a lower end of the landing disc screw, a landing disc cover plate fastened to the landing disc by a screw, and a lifting adjustment hand wheel provided at an upper end of the landing disc screw.
6. The aircraft main landing gear disassembly and assembly vehicle of claim 1, wherein the telescopic support comprises two sets of scissor forks arranged in parallel, each set of scissor forks comprises a first movable rod and a second movable rod, the middle part of the first movable rod is hinged with the middle part of the second movable rod, the bottom end of the first movable rod is hinged with the chassis, the top end of the first movable rod is connected with the upper frame in a sliding manner, the bottom end of the second movable rod is connected with the chassis in a sliding manner, the top end of the second movable rod is hinged with the upper frame in a sliding manner, the two sets of scissor forks are connected through a first connecting rod between the first movable rods, and the two sets of scissor forks are connected through a second connecting rod between the second movable rods.
7. The aircraft main landing gear disassembly and assembly vehicle of claim 6, wherein the power mechanism comprises a hydraulic pump disposed on the undercarriage, the output ends of the hydraulic pump are respectively connected with two hydraulic cylinders disposed on the second connecting rod, and the output ends of the two hydraulic cylinders are respectively connected with the first connecting rod in an articulated manner.
8. An aircraft main landing gear disassembly and assembly vehicle according to claim 7, wherein the hydraulic pump is a hand pump.
9. The aircraft main landing gear disassembly and assembly vehicle of claim 6, wherein a limit screw is provided on a side of the upper frame to limit sliding of the first movable rod.
10. The aircraft main landing gear disassembly and assembly vehicle of claim 1, wherein a tow bar is further provided thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348671.1U CN210505390U (en) | 2019-08-19 | 2019-08-19 | Dismounting and mounting vehicle for main landing gear of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348671.1U CN210505390U (en) | 2019-08-19 | 2019-08-19 | Dismounting and mounting vehicle for main landing gear of airplane |
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| Publication Number | Publication Date |
|---|---|
| CN210505390U true CN210505390U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921348671.1U Active CN210505390U (en) | 2019-08-19 | 2019-08-19 | Dismounting and mounting vehicle for main landing gear of airplane |
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| Country | Link |
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| CN (1) | CN210505390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158758A (en) * | 2020-09-24 | 2021-01-01 | 上海挚美航空设备有限公司 | Air source power driving type lifting working ladder |
-
2019
- 2019-08-19 CN CN201921348671.1U patent/CN210505390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158758A (en) * | 2020-09-24 | 2021-01-01 | 上海挚美航空设备有限公司 | Air source power driving type lifting working ladder |
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