CN214029202U

CN214029202U - Horizontal measuring tool for small airplane body

Info

Publication number: CN214029202U
Application number: CN202022989778.3U
Authority: CN
Inventors: 刘雷
Original assignee: Zhuhai Avic General Aircraft Customer Service Co ltd
Current assignee: Zhuhai Avic General Aircraft Customer Service Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-24
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a horizontal measuring tool for the body of a small airplane, which comprises a cross bar, 2 vertical bars, 2 supporting plates and 2 supporting angle blocks; the cross rods and the vertical rods are of cuboid structures; the vertical bars are arranged below the left end and the right end of the bottom surface of the cross bar, the upper ends of the supporting plates are fixedly arranged at the left lower corner and the left lower corner of the same side surface in front of or behind the cross bar, the lower ends of the supporting plates are fixedly arranged at the upper ends of the vertical bars, and the supporting corner blocks are arranged at the lower ends of the vertical bars; the front and back surfaces of the cross rod are provided with scale marks. The utility model provides an aircraft fuselage horizontal measuring tool can measure the fuselage horizontal data of small aircraft, and the commonality is strong, and the operation is light, and simple structure, ingenious, and the cost of manufacture is low, and the experimental degree of accuracy and efficient easily promote, popularize and apply at each aircraft manufacturer.

Description

Horizontal measuring tool for small airplane body

Technical Field

The utility model relates to an aircraft assembly technical field, concretely relates to small aircraft fuselage horizontal measuring tool.

Background

At present, the horizontal measurement is carried out on the airplane body in the process of manufacturing airplanes at home and abroad, and in the horizontal measurement, characteristic points are usually selected according to the appearance of the upper surface of the airplane, and data are measured through a laser tracker or a level gauge, but the laser tracker has high cost and is inflexible to use and poor in universality because of occupying small airplanes. The horizontal measuring tool and the horizontal measuring method for the small airplane body can flexibly meet the horizontal measuring requirement of the small airplane body, and are strong in universality, high in test accuracy and high in test efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can carry out measuring instrument to the miniflight fuselage level, the commonality is strong, and the operation is light, and simple structure, ingenious, and the cost of manufacture is low, the test degree of accuracy and efficient miniflight fuselage level measurement instrument.

In order to solve the technical problem, the utility model provides a following technical scheme:

a horizontal measuring tool for a small airplane body comprises a cross rod, 2 vertical bars, 2 supporting plates and 2 supporting angle blocks; the cross rods and the vertical rods are of cuboid structures; the vertical bars are arranged below the left end and the right end of the bottom surface of the cross bar, the upper ends of the supporting plates are fixedly arranged at the left lower corner and the right lower corner of the same side surface in front of or behind the cross bar, the lower ends of the supporting plates are fixedly arranged at the upper ends of the vertical bars, and the supporting corner blocks are arranged at the lower ends of the vertical bars; the front and back surfaces of the cross rod are provided with scale marks.

As a preferred technical scheme of the utility model, the cross rod is divided into two parts, namely a cross rod a and a cross rod B, the upper and lower surfaces of the right end of the cross rod a and the upper and lower surfaces of the left end of the cross rod B are respectively connected through a detachable connecting assembly C, and the front and back surfaces of the leftmost end of the cross rod a and the rightmost end of the cross rod B are provided with zero scale marks;

the upper surface and the lower surface of the cross rod B are both provided with sliding grooves, and the length of each sliding groove is the same as that of the cross rod B; a pulley capable of sliding back and forth is arranged in the sliding groove;

the detachable connecting component C comprises a connecting sheet and 2 rivets; a rectangle or oblong hole is respectively seted up on both sides about the connection piece, and two rectangles or oblong holes are the same in size: the width is the diameter of the rivet, the length is larger than 2 times of the diameter of the rivet and is less than one half of the length of the connecting sheet; the 2 rivets respectively penetrate through the rectangular or oblong holes in the connecting piece from top to bottom, then one rivet is nailed into the rightmost end of the upper side or the lower side of the cross rod A, and the other rivet is nailed into the middle shaft of the pulley in the sliding chute on the upper side or the lower side of the cross rod B. The length of the connecting piece is between 1.5 times and 2 times of the sum of the distance between 2 rivets and the horizontal thickness of the cross bar.

Furthermore, 1-2 stop blocks are arranged on the cross rod A.

As another preferred technical scheme of the utility model, the horizontal pole divide into three and a plurality of parts more than three, from left to right first little horizontal pole a1 and a plurality of little horizontal poles N at the back promptly, the upper and lower two sides of the right-hand member of first little horizontal pole a1 and the upper and lower two sides of the left end of the first little horizontal pole N at the back adjacent thereto are connected through a detachable coupling assembling C respectively, the upper and lower two sides of the right-hand member of preceding little horizontal pole N-1 and the upper and lower two sides of the left end of the little horizontal pole N at the back adjacent thereto in a plurality of little horizontal poles N at the back are connected through two detachable coupling assembling D respectively, the two sides all are equipped with zero scale mark around the leftmost end of first little horizontal pole a1 and the rightmost end of a plurality of horizontal poles N at the back, wherein N is more than or equal to 3;

the upper surface and the lower surface of the rear small cross rods N are provided with sliding grooves, and the length of each sliding groove is the same as that of each small cross rod N; a pulley capable of sliding back and forth is arranged in the sliding groove;

the detachable connecting assembly C and the detachable connecting assembly D both comprise connecting sheets and 2 rivets; a rectangle or oblong hole is respectively seted up on both sides about the connection piece, and two rectangles or oblong holes are the same in size: the width is the diameter of the rivet, the length is larger than 2 times of the diameter of the rivet and is less than one half of the length of the connecting sheet; the length of the connecting piece is between 1.5 times and 2 times of the sum of the distance between 2 rivets and the horizontal thickness of the cross bar;

in the detachable connecting component C, 2 rivets firstly penetrate through rectangular or oblong holes in the connecting piece from top to bottom, then one rivet is nailed into the rightmost end of the top or bottom of the first small cross bar A1, and the other rivet is nailed into the middle shaft of the pulley in the sliding groove on the first small cross bar N-1 behind the first small cross bar A1;

in the detachable connecting assembly C, the 2 rivets firstly penetrate through the rectangular or oblong holes in the connecting piece from top to bottom, then one rivet is nailed into the rightmost end of the upper sliding groove of the front small transverse rod N-1 in the plurality of small transverse rods N behind, and the other rivet is nailed into the middle shaft of the pulley in the sliding groove of the rear small transverse rod N adjacent to the rivet.

Further, 1-2 stoppers are arranged on the first small cross bar A1.

Further, a triangular plate is cut off from the lower end of the supporting corner block according to the shape of the airplane.

The utility model provides a pair of small aircraft fuselage horizontal measuring tool can measure small aircraft fuselage horizontal angle to can be as required, adjust the test of each part mounted position in order to be applicable to different specification and dimension aircraft organisms, the commonality is strong, the operation is light, and this fuselage horizontal measuring tool simple structure, ingenious moreover, the cost of manufacture is low, and experimental degree of accuracy and efficient bring economic benefits huge, easily promote, popularize and apply at each aircraft manufacturer.

Drawings

The accompanying drawings 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 and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the front plan structure of the present invention.

Fig. 2 is a schematic top plan view of the present invention.

Fig. 3 is a schematic top plan view of the connecting sheet of the present invention.

In the figure: 1. a cross bar A; 2. a cross bar B; 3. a connecting assembly C; 4. a connecting assembly D; 5. Erecting a bar; 6. a support plate; 7. supporting the corner block; 8. a chute; 9. a pulley; 10. connecting sheets; 11. riveting; 12. a stopper; 13. a first small cross bar a 1; 14. a small cross bar N-1; 15. And a small cross bar N.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, a horizontal measuring tool for a small airplane body comprises a cross bar, 2 vertical bars, 2 supporting plates and 2 supporting angle blocks; the cross rods and the vertical rods are of cuboid structures; the vertical bars are arranged below the left end and the right end of the bottom surface of the cross bar, the upper ends of the supporting plates are fixedly arranged at the left lower corner and the right lower corner of the same side surface in front of or behind the cross bar, the lower ends of the supporting plates are fixedly arranged at the upper ends of the vertical bars, and the supporting corner blocks are arranged at the lower ends of the vertical bars; the front and back surfaces of the cross rod are provided with scale marks.

the detachable connecting component C comprises a connecting sheet and 2 rivets; a rectangle or oblong hole is respectively seted up on both sides about the connection piece, and two rectangles or oblong holes are the same in size: the width is the diameter of the rivet, the length is larger than 2 times of the diameter of the rivet and is less than one half of the length of the connecting sheet; the length of the connecting piece is between 1.5 times and 2 times of the sum of the distance between 2 rivets and the horizontal thickness of the cross bar. The dimensions of the connecting sheets and the holes are required to facilitate the stretching and contraction folding of the cross bar B. As shown in fig. 3.

In the detachable connecting assembly C, 2 rivets firstly penetrate through rectangular or oblong holes in the connecting piece from top to bottom, then one rivet is nailed into the rightmost end of the upper side or the lower side of the cross rod A, and the other rivet is nailed into the middle shaft of the pulley in the sliding groove of the upper side or the lower side of the cross rod B.

By the design, the sizes of airplanes with different sizes and the sizes of all parts on the airplanes can be measured, and meanwhile, the retractable measuring tool is used up and is convenient to retract;

furthermore, 1-2 stop blocks are arranged on the cross rod A. The digital inclinometer is arranged between the cross rod A and the stop block;

as shown in fig. 2, as another preferred technical solution of the present invention, the cross bar is divided into three or more parts, that is, from left to right, the first small cross bar a1 and the second small cross bars N, the upper and lower surfaces of the right end of the first small cross bar a1 and the upper and lower surfaces of the left end of the second small cross bar N adjacent thereto are respectively connected by a detachable connection assembly C, the upper and lower surfaces of the right end of the front small cross bar N-1 of the second small cross bars N and the upper and lower surfaces of the left end of the second small cross bar N adjacent thereto are respectively connected by two detachable connection assemblies D, the front and rear surfaces of the leftmost end of the first small cross bar a1 and the rightmost end of the second small cross bars N are respectively provided with zero scale lines, wherein N is not less than 3;

the detachable connecting assembly C and the detachable connecting assembly D both comprise connecting sheets and 2 rivets; a rectangle or oblong hole is respectively seted up on both sides about the connection piece, and two rectangles or oblong holes are the same in size: the width is the diameter of the rivet, the length is larger than 2 times of the diameter of the rivet and is less than one half of the length of the connecting sheet; the length of the connecting piece is between 1.5 times and 2 times of the sum of the distance between 2 rivets and the horizontal thickness of the cross bar; the dimensions of the connecting sheets and the holes are required to facilitate the stretching and contraction folding of the cross bar B. As shown in fig. 3.

The design is further optimized, the requirements of more airplanes with different sizes and the size measurement of each part on the airplane are met, and meanwhile, the folding measurement tool can be further retracted when the airplane is used up, so that the folding measurement tool is convenient to retract;

further, 1-2 stoppers are arranged on the first small cross bar A1. The digital inclinometer is placed between the first small cross bar A1 and the stop block;

furthermore, a triangular plate is cut off at the lower end of the supporting angle block according to the shape of the airplane, so that the small airplane body horizontal measurement tool can be stably placed on the airplane body conveniently, and data on the digital inclinometer can be read to obtain airplane body horizontal measurement data.

The practical application is as follows:

when the horizontal measurement of the airplane body is carried out, the airplane is firstly placed on a flat ground, then a small airplane body horizontal measurement tool is placed, the digital inclinometer 6 is placed on the small airplane body horizontal measurement tool and is read, and the reading displayed by the digital inclinometer 6 is changed by changing the tire air pressure of the airplane so as to verify the horizontal angle of the airplane body. Each measurement time is about 30 seconds, and the reading time can be set according to the user requirement, and can be 15 seconds, 1 minute or more than 1 minute.

Depending on the size of the aircraft and the different components of the aircraft of different lengths, the crossbar B or crossbar N behind the extension is stretched, and the length of the various components of the aircraft or aircraft is equal to the length of crossbar a + the length of the extended crossbar B or the length of crossbar a1 + the length of all the extended crossbars N.

Thus, through the utility model discloses a small-size aircraft fuselage horizontal measurement instrument can accomplish aircraft fuselage horizontal measurement, and the operation is very simple, light, can be to different specification aircraft organism structures moreover, and the instrument mounted position of regulation to satisfy the requirement of fuselage horizontal measurement, powerful, experimental flexible operation, low in labor strength, the experimental degree of accuracy and efficient.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

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

1. A horizontal measuring tool for a small airplane body is characterized in that: the horizontal measuring tool comprises a cross rod, 2 vertical bars, 2 supporting plates and 2 supporting corner blocks;

the cross rods and the vertical rods are of cuboid structures;

the vertical bars are arranged below the left end and the right end of the bottom surface of the cross bar, the upper ends of the supporting plates are fixedly arranged at the left lower corner and the right lower corner of the same side surface in front of or behind the cross bar, the lower ends of the supporting plates are fixedly arranged at the upper ends of the vertical bars, and the supporting corner blocks are arranged at the lower ends of the vertical bars;

and the front and the back surfaces of the cross rod are provided with scale marks.

2. The small aircraft fuselage leveling tool of claim 1, wherein: the cross rod is divided into two parts, namely a cross rod A and a cross rod B, the upper surface and the lower surface of the right end of the cross rod A are connected with the upper surface and the lower surface of the left end of the cross rod B through a detachable connecting assembly C respectively, and the front surface and the rear surface of the leftmost end of the cross rod A and the rightmost end of the cross rod B are provided with zero scale marks;

the detachable connecting component C comprises a connecting sheet and 2 rivets; a rectangle or oblong hole is respectively seted up on both sides about the connection piece, and two rectangles or oblong holes are the same in size: the width is the diameter of the rivet, the length is larger than 2 times of the diameter of the rivet and is less than one half of the length of the connecting sheet; the length of the connecting piece is between 1.5 times and 2 times of the sum of the distance between 2 rivets and the horizontal thickness of the cross bar; the 2 rivets respectively penetrate through the rectangular or oblong holes in the connecting piece from top to bottom, then one rivet is nailed into the rightmost end of the upper side or the lower side of the cross rod A, and the other rivet is nailed into the middle shaft of the pulley in the sliding chute on the upper side or the lower side of the cross rod B.

3. The small aircraft fuselage leveling tool of claim 2, wherein: 1-2 stop blocks are arranged on the cross rod A.

4. The small aircraft fuselage leveling tool of claim 1, wherein: the cross bars are divided into three or more parts, namely a first small cross bar A1 and a plurality of rear small cross bars N from left to right, the upper and lower surfaces of the right end of the first small cross bar A1 are connected with the upper and lower surfaces of the left end of the adjacent rear first small cross bar N through a detachable connecting assembly C, the upper and lower surfaces of the right end of the front small cross bar N-1 in the rear small cross bars N are connected with the upper and lower surfaces of the left end of the adjacent rear small cross bar N through two detachable connecting assemblies D, zero scale marks are arranged at the leftmost end of the first small cross bar A1 and the front and rear surfaces of the rightmost ends of the rear small cross bars N, wherein N is more than or equal to 3;

5. The small aircraft fuselage leveling tool of claim 4, wherein: 1-2 stoppers are arranged on the first small cross bar A1.

6. The small aircraft fuselage leveling tool of claim 1, wherein: the lower end of the supporting angle block is cut off a triangular plate according to the shape of the airplane.