CN110926419A - Aircraft wing level measurement device convenient to dismouting - Google Patents

Abstract

The invention relates to an aircraft wing level measuring device which is easy to disassemble and assemble, comprising a fixed base, a magnet block is embedded in the lower part of the fixed base, a screw groove is arranged on the upper part of the fixed base, a rotary table is fixedly connected inside, and a top of the rotary table is fixedly connected with a magnet block. Mounting plate, there is a slot in the middle of the mounting plate, a pin shaft is sleeved on the lower part of the mounting plate, the level ruler is installed on the pin shaft and can rotate around it, one side of the front end of the mounting plate is hinged with a card plate, and the other side is fixed with a card slot , the card board is placed in the card slot to ensure that the level does not rotate outside the placement slot during non-measurement; the device is also provided with a support rod, when the level is rotated around the pin shaft to a nearly horizontal state, it is supported by a support rod in a horizontal position. Find the horizontal position of the spirit level accurately under the ruler. The device of the present invention is convenient to assemble and disassemble, has good flexibility, and is convenient for storage and use.

Description

A kind of aircraft wing level measuring device which is easy to disassemble and assemble

technical field

The invention belongs to the technical field of aircraft assembly, and in particular relates to an aircraft wing level measuring device which is easy to disassemble and assemble.

Background technique

The leveling measurement of the aircraft refers to the measurement of the relative positional accuracy of the various parts of the aircraft when the aircraft is in a horizontal state. The accuracy of the relative position between the components mainly includes the accuracy of the dihedral angle, installation angle and sweep angle of the wing and tail relative to the fuselage, and the deflection angle, fit, and fit clearance of each movable airfoil relative to the fixed airfoil. The accuracy of the difference with the scissors, the coaxiality of each section of the fuselage.

At present, the domestic aircraft level measurement work adopts the sub-item level measurement method, which mainly adopts the level measurement method based on the optical theodolite. Whether the installation between the various parts of the aircraft meets the requirements, and whether the geometric dimensions of each profile are within the limited range, but the horizontal measurement based on the optical theodolite mainly has the disadvantages of inconvenient disassembly and assembly of the transfer tool, small measurement range and inconvenient use. Therefore, there is an urgent need for an aircraft wing level measuring device that is easy to disassemble and assemble to solve the above problems.

SUMMARY OF THE INVENTION

Aiming at the shortcomings of the prior art, the present invention provides an aircraft wing level measuring device that is easy to disassemble and assemble, and has the advantages of convenient disassembly and assembly, good flexibility and easy use.

The utility model relates to an aircraft wing level measuring device which is easy to disassemble and assemble, comprising a fixed base, a magnet block is embedded in the lower part of the fixed base, a thread groove is arranged on the upper part of the fixed base, a rotary table is fixedly connected inside, and a mounting plate is fixedly connected to the top of the rotary table, There is a placement slot in the middle of the mounting plate, a pin shaft is sleeved on the lower part of the mounting plate, the level ruler is installed on the pin shaft and can rotate around it, one side of the front end of the mounting plate is hinged with a card plate, and the other side is fixed with a card slot, the card plate It is placed in the card slot to ensure that the level does not rotate outside the placement slot during non-measurement; the device is also provided with a support rod. Find the horizontal position of the spirit level.

The bottom end of the fixed base is externally threadedly connected with a bottom cover, and the upper threaded groove is threadedly connected with a protective cover.

A movable sleeve is arranged between the mounting plate on the pin sleeve and the level, and there is a distance between the pin and the rotary table, so as to avoid interference caused by the level after the level is laid and affecting the use.

The magnet blocks are distributed on the fixed base in a triangular shape, and the bottom surface of the magnet blocks is lower than the bottom surface of the fixed base.

The length of the support rod is the distance between the bottom surface of the level and the bottom surface of the magnet block after the level is laid flat.

The card board is clamped in the card slot in a horizontal state, and is arranged on the upper and lower parts of the installation board.

Both sides of the mounting plate are hinged with handles.

The outer side of the protective cover is provided with a strap.

The beneficial effects of the present invention are:

1. The present invention is provided with a fixed base and a magnet block, which can realize the connection between the device and the wing through the adsorption of the magnet block, so as to achieve the purpose of measurement. The cooperation with the fixed base makes the disassembly, installation and fixation more flexible and convenient, and has good compatibility, reusability, and stable structure. Under the condition of ensuring the measurement requirements, the horizontal measurement of the aircraft wing can be quickly and conveniently completed;

2. The invention is provided with a mounting plate, a placement slot, a pin shaft and a support rod, which can be stored in the placement slot in the non-measurement state. The cooperation of the placement slot, the pin shaft and the card plate makes the leveling easy to store and use. It can be rotated by the pin shaft and fixed in the horizontal state by the support rod, which is flexible and easy to use; at the same time, the invention also sets a rotary table, and the level can be translated in the circumferential direction with the rotary table as the base point after laying flat, so as to Expand the measuring area of the spirit level to make the measuring operation more flexible.

Description of drawings

1 is a schematic diagram of the internal structure of an aircraft wing level measuring device that is easy to disassemble and assemble according to the present invention;

Fig. 2 is the left side view of Fig. 1;

3 is a schematic diagram of the external structure of an aircraft wing level measuring device that is easy to disassemble and assemble according to the present invention;

4 is a schematic diagram of the support state of a strut of an aircraft wing level measuring device that is easy to disassemble and assemble according to the present invention;

in,

1 fixed base, 2 magnet blocks, 3 rotary table, 4 mounting plate, 5 placement slot, 6 pin, 7 level, 8 pole, 9 card plate, 10 card slot, 11 bottom cover, 12 thread groove, 13 protection Cover, 14 through holes, 15 movable sleeves, 16 handles, 17 straps.

Detailed ways

In order to better explain the present invention and facilitate understanding, the technical solutions and effects of the present invention will be described in detail below with reference to the accompanying drawings and through specific embodiments.

As shown in Figure 1-3, an aircraft wing level measurement device that is easy to disassemble and assemble includes a fixed base 1, a magnet block 2 is embedded in the lower part of the fixed base 1, and the magnet blocks 2 are distributed on the fixed base 1 in a triangular shape to ensure The device has good stability, and the bottom surface of the magnet block 2 is lower than the bottom surface of the fixed base 1, so that the magnet block 2 can be fixed on the wing of the aircraft through the action of magnetism; the upper part of the fixed base 1 is provided with a threaded groove 12, and the interior is fixed with a rotating Table 3, a mounting plate 4 is fixedly connected to the top of the rotary table 3, a placement slot 5 is opened in the middle of the mounting plate 4, and through holes 14 are opened at both ends of the lower part of the mounting plate 4, through which a pin shaft 6 and a level 7 are sleeved. It is installed on the pin 6 and can rotate around it. There is a movable sleeve 15 between the mounting plate 4 and the level 7 on the pin 6, which is used to adjust the matching gap between the level 7 and the placement groove 5, so that the level 7 does not There is friction in the placement slot 5 with the inner wall of the placement slot 5, which affects the use. There is a distance between the pin shaft 6 and the rotary table 3 to avoid the interference caused by the level 7 after laying flat. The card board 9 is fixed with a card slot 10 on the other side. The card board 9 is placed in the card slot 10 to ensure that the level 7 will not rotate outside the placement slot 5 during non-measurement. The card board 9 is stuck in the card slot 10. The interior is in a horizontal state, and is provided on the upper and lower parts of the mounting plate 4; the device is also provided with a strut 8, and the level 7 is supported on the level by the strut 8 when it rotates around the pin 6 to a nearly horizontal state. Find the horizontal position of the level 7 accurately with 7 clicks. The length of the support rod 8 is the distance between the bottom surface of the level 7 and the bottom surface of the magnet block 2 after the level 7 is laid flat.

Handles 16 are hinged on both sides of the mounting plate 4 for easy handling.

The bottom end of the fixed base 1 is threadedly connected with a bottom cover 11 to protect the magnet block 2. The upper thread groove 12 is threadedly connected with a protective cover 13 to protect the entire device. There are straps 17, and the straps 17 are located at both ends of the front side of the protective cover 13, so that the measuring device is convenient to carry.

The use method of the aforementioned aircraft wing level measuring device that is easy to disassemble and assemble is as follows:

When measuring, first remove the bottom cover 11 and the protective cover 13 respectively, place the magnet block 2 on the aircraft wing, and use the magnetism of the magnet block 2 to stabilize the measuring device on the aircraft wing, as shown in Figure 4 , open the card board 9 and take out the level 7, make the level 7 rotate around the pin 6 and realize the leveling of the level 7 through the support of the support rod 8, and then remove the support rod 8 to measure, and at the same time can be measured by The function of the rotary table 3 makes the level 7 translate in the circumferential direction with the rotation axis of the rotary table 3 as the base point to expand the measurement area of the level 7. After the measurement, the fixed base 1 is moved left and right to separate the magnet block 2 from the aircraft wing. , the measuring device can be removed.

The aircraft wing level measuring device that is easy to disassemble and assemble, by setting the fixed base 1 and the magnet block 2, realizes the advantages of convenient disassembly and assembly, and through the cooperation of the magnet block 2 and the fixed base 1, the disassembly, installation and fixing are more flexible and convenient. Good compatibility, under the condition of ensuring the measurement requirements, the operation of horizontal measurement of the aircraft wing can be completed, which is reusable and stable in structure. With the advantages of good performance and ease of use, the level 7 installed on the mounting plate 4 is flattened by the rotating table 3, and the rotation axis of the rotating table 3 is used as the base point to translate circumferentially with the rotating part of the rotation, thereby expanding the level. The measuring area of 7 makes the measurement operation more flexible, and at the same time, the level 7 is easy to store and use through the cooperation of the placement slot 5 and the pin shaft 6.

Claims (8)

1. The utility model provides an aircraft wing leveling device convenient to dismouting which characterized in that: the measuring device comprises a fixed base, wherein a magnet block is embedded in the lower part of the fixed base, a thread groove is formed in the upper part of the fixed base, a rotating table is fixedly connected inside the thread groove, a mounting plate is fixedly connected to the top of the rotating table, a placing groove is formed in the middle of the mounting plate, a pin shaft is sleeved on the lower part of the mounting plate, a horizontal ruler is mounted on the pin shaft and can rotate around the pin shaft, a clamping plate is hinged to one side of the front end of the mounting plate, a clamping groove is fixedly formed in the other side of; the device is also provided with a supporting rod, and when the level ruler rotates around the pin shaft to be close to a horizontal state, the supporting rod is used for supporting the level ruler to accurately find the horizontal position of the level ruler under the level ruler.

2. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: the outer threaded connection of unable adjustment base bottom has the bottom, and upper portion thread groove has the protection casing through threaded connection.

3. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: a movable sleeve is arranged between the mounting plate and the level ruler on the pin shaft sleeve, a distance is reserved between the pin shaft and the rotating table, and the level ruler is prevented from being interfered after being horizontally placed to affect use.

4. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: the magnet blocks are distributed on the fixed base in a triangular mode, and the bottom surfaces of the magnet blocks are lower than the bottom surface of the fixed base.

5. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: the length of the supporting rod is the distance between the bottom surface of the horizontal ruler and the bottom surface of the magnet block after the horizontal ruler is laid flat.

6. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: the clamping plate is clamped in the clamping groove in a horizontal state, and the upper portion and the lower portion of the mounting plate are both provided with the clamping plates.

7. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: the both sides of mounting panel articulate there is the handle.

8. An aircraft wing leveling device to facilitate disassembly as claimed in claim 1 wherein: braces are arranged on the outer side of the protective cover.

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