CN219008140U

CN219008140U - Sectional type frame for test load vehicle

Info

Publication number: CN219008140U
Application number: CN202223181367.7U
Authority: CN
Inventors: 张卫东; 王敏; 李雨晨; 高超; 刘怡洋; 贾佳奇; 姜旭; 赵莹; 邱权; 李秀丽
Original assignee: Syc Beijing Vehicle Testing Engineering Research Institute Co ltd
Current assignee: Syc Beijing Vehicle Testing Engineering Research Institute Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a sectional type frame for a test load vehicle, relates to the technical field of test load vehicles, and solves the technical problem that the same frame is difficult to install front landing gears of aircrafts with different heights in the prior art. The device comprises a front frame and a rear frame, wherein the two ends of the front frame and the rear frame are connected through bolts, and the front frame is connected with a nose landing gear of an airplane; the front frame comprises an upper supporting section, a connecting section and a lower supporting section, wherein the upper supporting section and the lower supporting section are respectively and fixedly connected with the lower supporting section, a height difference exists between the upper supporting section and the lower supporting section, and the lower supporting section is connected with the rear frame through bolts.

Description

Sectional type frame for test load vehicle

Technical Field

The utility model relates to the technical field of test load vehicles, in particular to a sectional type frame for a test load vehicle.

Background

Because the test load vehicle is used for simulating the weight of the airplane and simulating the wheelbase and the wheel tread of the airplane, the overall dimension is large, meanwhile, manufacturers for producing and installing the test load vehicle and test sites used by subsequent test load vehicles are not in the same place, so that the road transportation difficulty of the test load vehicle is large, meanwhile, the front landing gear of the airplane with different heights is difficult to install on the same frame at different heights, and the transportation and simulation diversity of the test load vehicle are urgently needed to be solved.

Disclosure of Invention

The utility model aims to provide a sectional frame for a test load vehicle, which solves the technical problem that the same frame is difficult to install aircraft nose landing gear with different heights in the prior art _。 The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a sectional frame for a test load vehicle, which comprises a front frame and a rear frame, wherein the two ends of the front frame and the rear frame are connected through bolts, and the front frame is connected with a nose landing gear of an airplane;

the front frame comprises an upper supporting section, a connecting section and a lower supporting section, wherein the upper supporting section and the lower supporting section are respectively and fixedly connected with the lower supporting section, a height difference exists between the upper supporting section and the lower supporting section, and the lower supporting section is connected with the rear frame through bolts.

Optionally, the vehicle further comprises a plurality of bottom connecting plates, wherein the bottom connecting plates are located below the connection positions of the front frame and the rear frame, and the bottoms of the connection positions of the front frame and the rear frame are connected with the bottom connecting plates through bolts.

Optionally, the bottom connecting plate comprises a first side plate, a second side plate and a bottom plate, the first side plate and the second side plate are respectively and fixedly connected with two ends of the bottom plate, the first side plate and the second side plate are both vertically arranged with the bottom plate, and the joint of the front frame and the rear frame is connected with the bottom plate through bolts;

threaded holes are formed in the bottom plate.

Optionally, the front frame includes two first boundary beams and a plurality of first crossbeams, all first crossbeams all are located two between the first boundary beam, the both ends of first crossbeam respectively with two first boundary beam fixed connection.

Optionally, the upper support section is provided with a nose landing gear mounting plate, and the free end of the lower support section is provided with a first connecting plate and a first rib plate.

Optionally, the rear frame includes two second boundary beams and a plurality of second crossbeams, all second crossbeams all are located two between the second boundary beam, the both ends of second crossbeam respectively with two second boundary beam fixed connection.

Optionally, the rear frame is provided with a landing leg cylinder mounting frame and a plurality of main landing gear mounting plates, and the end part of the rear frame is provided with a second connecting plate and a second rib plate.

Optionally, the bicycle further comprises a balancing weight base, and the balancing weight base is connected with the rear bicycle frame through bolts.

The sectional type frame for the test load vehicle adopts a sectional type structure, namely the front frame and the rear frame, which are respectively connected through bolts, and the sectional type frame can be disassembled and transported during transportation, and the front frames with different height differences can be designed due to the height differences between the upper supporting section and the lower supporting section, so that the front frames with different height differences correspond to the front landing gear of an airplane, and only the front frames with different height differences are needed to be replaced and the rear frames are not needed to be replaced when the front landing gear of the airplane with different height is transported, so that the technical problem that the front landing gear of the airplane with different height is difficult to install on the same frame in the prior art is solved _。

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a sectional frame for a test load vehicle according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a front frame of a sectional frame for a test load vehicle according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a rear frame of a sectional frame for a test load vehicle according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a bottom connection board of a sectional frame for a test load vehicle according to an embodiment of the present utility model;

1, a front frame; 11. an upper support section; 111. a nose landing gear mounting plate; 12. a connection section; 13. a lower support section; 131. a first connection plate; 132. a first rib plate; 14. a first side rail; 15. a first cross beam; 2. a rear frame; 21. a second side rail; 22. a second cross beam; 23. the landing leg cylinder mounting frame; 24. a main landing gear mounting plate; 25. a second connecting plate; 26. a second rib plate; 3. a bottom connecting plate; 31. a first side plate; 32. a second side plate; 33. a bottom plate; 331. a threaded hole; 4. and a balancing weight bottom bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, 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; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

The utility model provides a sectional frame for a test load vehicle, which comprises a front frame 1 and a rear frame 2, wherein the two ends of the front frame 1 and the rear frame 2 are connected through bolts, the front frame 1 is connected with a front landing gear of an aircraft, and the rear frame 2 can be connected with a main landing gear of the aircraft;

the front frame 1 comprises an upper support section 11, a connecting section 12 and a lower support section 13, wherein the upper support section 11 and the lower support section 13 are respectively and fixedly connected with the lower support section 13, a height difference exists between the upper support section 11 and the lower support section 13, the connecting section 12 can be obliquely arranged, the lower support section 13 is connected with the rear frame 2 through bolts, and the upper support section 11 can be connected with an aircraft nose landing gear. The sectional type frame for the test load vehicle provided by the utility model adopts a sectional type structure, namely the front frame 1 and the rear frame 2, and the front frame 1 and the rear frame 2 are respectively connected through bolts, so that the sectional type frame can be disassembled and transported during transportation, and as the height difference exists between the upper supporting section 11 and the lower supporting section 13, the front frames 1 with different height differences can be designed so as to correspond to the front landing gear of the aircraft with different heights, therefore, when the front landing gear of the aircraft with different heights is transported, only the front frame 1 with different height differences is required to be replaced, and meanwhile, the rear frame 2 is not required to be replaced, thereby meeting the technical problem that the front landing gear of the aircraft with different heights is difficult to install on the same frame in the prior art.

As an alternative embodiment, the vehicle further comprises a plurality of bottom connecting plates 3, the bottom connecting plates 3 are positioned below the joint of the front vehicle frame 1 and the rear vehicle frame 2, the bottoms of the joints of the front vehicle frame 1 and the rear vehicle frame 2 are connected with the bottom connecting plates 3 through bolts, and the bottom connecting plates 3 are used for reinforcing the connection between the front vehicle frame 1 and the rear vehicle frame 2.

As an alternative embodiment, the bottom connecting plate 3 comprises a first side plate 31, a second side plate 32 and a bottom plate 33, the first side plate 31 and the second side plate 32 are respectively and fixedly connected with two ends of the bottom plate 33, the first side plate 31 and the second side plate 32 are both arranged perpendicular to the bottom plate 33, and the joint of the front frame 1 and the rear frame 2 is connected with the bottom plate 33 through bolts; the bottom plate 33 is provided with a plurality of screw holes 331, and the number of screw holes 331 is plural.

As an alternative embodiment, the front frame 1 includes two first side rails 14 and a plurality of first cross members 15, all of the first cross members 15 are located between the two first side rails 14, and two ends of the first cross members 15 are fixedly connected to the two first side rails 14, respectively.

As an alternative embodiment, the upper support section 11 is provided with a nose landing gear mounting plate 111, the nose landing gear mounting plate 111 may be connected with an aircraft nose landing gear, the free end of the lower support section 13 is provided with a first connecting plate 131 and a first rib plate 132, the number of the first rib plates 132 is multiple, the first rib plate 132 is fixedly connected with the first connecting plate 131, the first rib plate 132 is used for reinforcing the strength of the first connecting plate 131, and the first connecting plate 131 is provided with a plurality of first connecting holes.

As an alternative embodiment, the rear frame 2 includes two second side rails 21 and a plurality of second cross members 22, all of the second cross members 22 are located between the two second side rails 21, and both ends of the second cross members 22 are fixedly connected with the two second side rails 21, respectively.

As an alternative embodiment, the rear frame 2 is provided with a supporting leg cylinder mounting frame 23 and a plurality of main landing gear mounting plates 24, the supporting leg cylinder mounting frame 23 can be used for mounting supporting leg cylinders, and the supporting leg cylinders can be used for lifting the front part of the vehicle when the front landing gear of the aircraft is replaced, so that the front landing gear of the aircraft is replaced conveniently; the main landing gear mounting plates 24 can be connected with the main landing gear, the positions of the plurality of main landing gear mounting plates 24 are different, the plurality of main landing gear mounting plates 24 can be used for mounting main landing gears of different types, the purpose of simulating different types is finally realized, and the main landing gear can be mounted on the main landing gear mounting plates 24 of different positions according to the simulated types; the end part of the rear frame 2 is provided with a plurality of second connecting plates 25 and second rib plates 26, the number of the second rib plates 26 is plural, the second rib plates 26 are fixedly connected with the second connecting plates 25, the second rib plates 26 are used for reinforcing the strength of the second connecting plates 25, the second connecting plates 25 are provided with a plurality of second connecting holes, the first connecting plates 131 are butted with the second connecting plates 25, and the first connecting holes and the second connecting holes are in one-to-one correspondence and are connected through bolts.

As an alternative embodiment, the bicycle further comprises a plurality of balancing weight holders 4, wherein the balancing weight holders 4 are connected with the rear bicycle frame 2 through bolts, and the number of the balancing weight holders 4 is multiple. The balancing weight collet 4 can be arranged at any position of the rear frame 2, and the position of the balancing weight collet 4 can be flexibly arranged according to the simulated model, so that the gravity center position of the vehicle is the same as that of a real airplane.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A sectional type frame for a test load vehicle is characterized by comprising a front frame (1) and a rear frame (2), wherein,

the front frame (1) is connected with the two ends of the rear frame (2) through bolts, and the front frame (1) is connected with the front landing gear of the aircraft;

the front frame (1) comprises an upper supporting section (11), a connecting section (12) and a lower supporting section (13), wherein the upper supporting section (11) and the lower supporting section (13) are respectively fixedly connected with the lower supporting section (13), a height difference exists between the upper supporting section (11) and the lower supporting section (13), and the lower supporting section (13) is connected with the rear frame (2) through bolts.

2. The sectional frame for the test load vehicle according to claim 1, further comprising a plurality of bottom connecting plates (3), wherein the bottom connecting plates (3) are located below the connection of the front frame (1) and the rear frame (2), and the bottom of the connection of the front frame (1) and the rear frame (2) is connected with the bottom connecting plates (3) through bolts.

3. The sectional frame for a test load vehicle according to claim 2, wherein the bottom connecting plate (3) comprises a first side plate (31), a second side plate (32) and a bottom plate (33), the first side plate (31) and the second side plate (32) are fixedly connected with two ends of the bottom plate (33) respectively, the first side plate (31) and the second side plate (32) are vertically arranged with the bottom plate (33), and the joint of the front frame (1) and the rear frame (2) is in bolt connection with the bottom plate (33);

threaded holes (331) are formed in the bottom plate (33).

4. The sectional frame for a test load vehicle according to claim 1, wherein the front frame (1) comprises two first side rails (14) and a plurality of first cross rails (15), all the first cross rails (15) are located between the two first side rails (14), and two ends of the first cross rails (15) are fixedly connected with the two first side rails (14) respectively.

5. The segmented frame for a test load vehicle according to claim 1, wherein the upper support section (11) is provided with a nose landing gear mounting plate (111), and the free end of the lower support section (13) is provided with a first connecting plate (131) and a first rib plate (132).

6. The sectional frame for a test load vehicle according to claim 1, wherein the rear frame (2) comprises two second side beams (21) and a plurality of second cross beams (22), all the second cross beams (22) are located between the two second side beams (21), and two ends of the second cross beams (22) are fixedly connected with the two second side beams (21) respectively.

7. The sectional frame for the test load vehicle according to claim 1, wherein the rear frame (2) is provided with a support leg cylinder mounting frame (23) and a plurality of main landing gear mounting plates (24), and the end part of the rear frame (2) is provided with a second connecting plate (25) and a second rib plate (26).

8. The segmented frame for a test load vehicle according to claim 1, further comprising a weight block mount (4), the weight block mount (4) being bolted to the rear frame (2).