Flap guide rail flatness measurement auxiliary leveling device

Abstract

The utility model relates to the technical field of aviation maintenance, in particular to a flap guide rail flatness measurement auxiliary leveling device, which comprises a base, a top fixing bolt arranged on the top of the base, a left clamping device arranged on the left side of the base and a right clamping device arranged on the right side of the base. And three height adjusting support legs are arranged below the base. According to the utility model, through the arrangement of the height adjusting support legs, the flap guide rail on the base can be conveniently adjusted to a horizontal state by a measurer, through the arrangement of the left side clamping device, the right side clamping device and the top fixing bolt, the flap guide rail can be stably clamped on the base through three-point positioning, and through the arrangement of the fillet clamping plate and the first pin, the measurement accuracy is improved. The rounded clamping plate can rotate with the first pin as the axis, the angle of the rounded clamping plate can be adjusted conveniently, the flap guide rail is prevented from being deformed by the clamp, and the positioning blind hole and the positioning pin are arranged, so that the calibration time can be shortened and the measurement efficiency can be improved when the large-mass flap guide rail is measured.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation maintenance, in particular to a flap guide rail flatness measurement auxiliary leveling device. Background Art

[0002] The retraction and extension adjustment of general aviation aircraft flaps are constrained by flap rails. During long-term service, the flap rails will produce defects such as physical deformation, corrosion, and chipping, which will affect aviation safety. Therefore, during the maintenance of general aircraft, the flap rails will be deeply repaired to restore their initial performance. During the deep repair process, the flatness of the defective flap rails will be measured, and combined with the flatness standard of the flap rails to determine whether the flap rail is repairable. If the flatness exceeds the standard, the flap rail will be scrapped.

[0003] In the prior art, the plane measurement of the flap guide rail mainly adopts the three-coordinate measurement method, but the three-coordinate measurement method is relatively complicated to operate and has high measurement cost; and it is difficult to level the flap guide rail during the flatness detection process using common measuring tools, and the flap guide rail will be displaced after leveling, resulting in inaccurate measurement. Utility Model Content

[0004] In order to overcome the technical problem in the prior art that the flap cannot be leveled when the flap guide rail flatness is measured using common measuring tools and displacement occurs during the measurement process, the present invention provides a flap guide rail flatness measurement auxiliary leveling device.

[0005] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a flap guide rail flatness measurement auxiliary leveling device, including a base, a top fixing bolt is provided on the top of the base, the top fixing bolt is connected to the base through a threaded hole, a left clamping device is provided on the left side of the base, and a right clamping device is provided on the right side of the base, and three height adjustment feet are provided under the base.

[0006] Preferably, the left-side clamping device includes a first fixing plate, a first adjusting bolt, a rounded top plate, and a first pin. The first fixing plate is fixed to the left end of the base. A first threaded through hole is provided on the first fixing plate. The end of the first adjusting bolt passes through the first threaded through hole and contacts the rounded top plate. The rounded top plate is arranged on the base. A long strip through hole is opened on the rounded top plate. The first pin passes through the long strip through hole and is fixed to the base.

[0007] Preferably, the right-side clamping device includes a second fixing plate, a second adjusting bolt, a top plate, a second pin, and the second fixing plate is fixed to the right end of the base, the second fixing plate is provided with a second threaded through hole, the end of the second adjusting bolt passes through the second threaded through hole and extends to the inside of the top plate, the second adjusting bolt is rotatably connected to the top plate, and the end of the second bolt is provided with an annular groove, the top plate is slidably arranged on the base, a through hole is provided on the top plate corresponding to the annular groove, the second pin passes through the through hole and is stuck in the annular groove.

[0008] Preferably, a limiting block is provided at the bottom of the top plate, and a limiting groove is provided on the base corresponding to the limiting block, and the limiting block cooperates with the limiting groove.

[0009] Preferably, the base is provided with three blind positioning holes, and positioning pins with the same height are respectively provided in the three blind positioning holes.

[0010] Compared with the prior art, the utility model has the beneficial effect that, by arranging the height-adjusting support foot, the flap guide rail on the base of the measurer is conveniently adjusted to a horizontal state; by arranging the left clamping device, the right clamping device and the top fixing bolt, the flap guide rail can be stably clamped on the base through three-point positioning; by arranging the rounded corner clamping plate and the first pin, the rounded corner clamping plate can be rotated with the first pin as the axis, which is convenient for adjusting the angle of the rounded corner clamping plate and avoids deformation of the flap guide rail by the clamp; by arranging the positioning blind hole and the positioning pin, the calibration time can be reduced when measuring the flap guide rail of large mass, thereby improving the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0012] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0013] Figure 3 It is a partial enlarged view of the left side clamping device of the utility model.

[0014] Figure 4 It is a cross-sectional schematic diagram of the right side clamping device of the utility model.

[0015] Figure 5 This is the use status of the utility model Figure 1 .

[0016] Figure 6 This is the use status of the utility model Figure 2 .

[0017] In the figure: 1: base; 101: limiting groove; 102: positioning pin; 2: top fixing bolt; 3: left clamping device; 301: first adjusting bolt; 302: first fixing plate; 303: rounded top plate; 304: first pin; 305: long strip through hole; 4: right clamping device; 401: second adjusting bolt; 4011: annular groove; 402: second fixing plate; 403: top plate; 4031: limiting block; 404: second pin; 5: height adjustment support foot; 6: flap guide rail. DETAILED DESCRIPTION

[0018] The utility model is a flap guide rail flatness measurement auxiliary leveling device, the specific implementation method is as follows Figures 1 to 4 As shown, a flap guide rail flatness measurement auxiliary leveling device is characterized in that it includes a base 1, a top fixing bolt 2 is provided on the top of the base 1, the top fixing bolt 2 is connected to the base 1 through a threaded hole, a left clamping device 3 is provided on the left side of the base 1, and a right clamping device 4 is provided on the right side of the base 1. Three height adjustment feet 5 are provided under the base 1, and three positioning blind holes are provided on the base 1. The three positioning blind holes are arranged below the flap guide rail 6, and the three positioning blind holes are respectively provided with detachable positioning pins 102 of the same height, and the positioning pins 102 are used to support the flap guide rail 6.

[0019] The left clamping device 3 includes a first fixing plate 302, a first adjusting bolt 301, a rounded top plate 303, and a first pin 304. The first fixing plate 302 is fixed to the left end of the base 1. The first fixing plate 302 is provided with a first threaded through hole. The end of the first adjusting bolt 301 passes through the first threaded through hole and contacts the rounded top plate 303. The rounded top plate 303 is arranged on the base 1. The rounded top plate 303 is provided with a long strip through hole 305. The first pin 304 passes through the long strip through hole 305 and is fixed to the base 1.

[0020] The right side clamping device 4 includes a second fixed plate 402, a second adjusting bolt 401, a top plate 403, a second pin 404, and the second fixed plate 402 are fixed on the right end of the base 1, a second threaded through hole is provided on the second fixed plate 402, the end of the second adjusting bolt 401 passes through the second threaded through hole and extends to the inside of the top plate 403, the second adjusting bolt 401 is rotatably connected to the top plate 403, and an annular groove 4011 is provided at the end of the second bolt, the top plate 403 is slidably set on the base 1, a limit block 4031 is provided at the bottom of the top plate 403, a limit groove 101 is provided at the corresponding limit block 4031 on the base 1, the limit block 4031 cooperates with the limit groove 101, a through hole is provided at the corresponding annular groove 4011 on the top plate 403, the second pin 404 passes through the through hole and is stuck in the annular groove 4011.

[0021] Working process: when inspecting the flap guide rail 6 with a smaller mass, take out the positioning pin 102 from the positioning blind hole, unscrew the top fixing bolt 2, screw the first adjusting bolt 301 and the second adjusting bolt 401 outward respectively, place the flap guide rail 6 on the base 1, pass the top fixing bolt 2 through the corresponding through hole on the flap guide rail 6, and partially screw the top fixing bolt 2 into the base 1, position the flap guide rail 6, turn the second adjusting bolt 401, the second adjusting bolt 401 moves forward, and drives the second pin 404 stuck in the front annular groove 4011 to move forward, the second pin The pin 404 drives the top plate 403 to move forward along the limiting groove 101 to support the flap guide rail 6, and then the first adjusting bolt 301 is rotated. The first adjusting bolt 301 moves forward to push the rounded top plate 303 to move forward. During the forward movement of the rounded top plate 303, the rounded top plate 303 rotates around the first pin 304, and the angle of the rounded top plate 303 is manually adjusted to adapt to the flap guide rail 6. After the rounded top plate 303 supports the flap guide rail 6, the first adjusting bolt 301 is stopped, and the top fixing bolt 2 is tightened to press the flap guide rail 6 to complete the clamping of the flap guide rail 6. The clamping state is as shown in FIG. Figure 5 As shown, place the lever meter bracket and the device on the same horizontal plane, rotate the height adjustment foot 5, use the lever meter to measure the three characteristic points of the upper surface, when the values ​​displayed by the lever meter when measuring the three characteristic points are the same, the upper surface is horizontal, then use the lever side meter to measure the point on the flap guide rail 6 as the reference point, and then measure other characteristic points, the difference between the maximum scale value and the minimum scale value displayed by the lever meter is the flatness, after the measurement is completed, rotate the top fixing bolt 2, the first adjusting bolt 301, and the second adjusting bolt 401 to loosen the clamping of the flap guide rail 6;

[0022] If the flap guide rail 6 to be tested has a large mass, such as Figure 6 As shown, the top fixing bolt 2, the left clamping device 3 and the right clamping device 4 may not be used. Figure 6 As shown, insert the positioning pin 102 into the positioning blind hole, directly place the new flap guide rail 6 as a reference on the positioning pin 102, adjust the height adjustment foot 5 until the upper surface of the flap guide rail 6 is horizontal using a lever gauge, then remove the new flap guide rail 6, and place the flap guide rail 6 to be measured on the positioning pin 102. This will ensure that the upper surface of the flap guide rail 6 to be measured is horizontal, and measurement can be achieved without adjusting the height adjustment foot 5.

Claims

1. A flap guide rail flatness measurement auxiliary leveling device, characterized in that: The utility model comprises a base (1), wherein a top fixing bolt (2) is provided on the top of the base (1), and the top fixing bolt (2) is connected to the base (1) through a threaded hole, a left clamping device (3) is provided on the left side of the base (1), and a right clamping device (4) is provided on the right side of the base (1), and three height adjustment feet (5) are provided under the base (1).

2. A flap guide rail flatness measurement auxiliary leveling device according to claim 1, characterized in that: The left-side clamping device (3) comprises a first fixing plate (302), a first adjusting bolt (301), a rounded top plate (303), and a first pin (304); the first fixing plate (302) is fixed to the left end of the base (1); a first threaded through hole is provided on the first fixing plate (302); the end of the first adjusting bolt (301) passes through the first threaded through hole and contacts the rounded top plate (303); the rounded top plate (303) is arranged on the base (1); a long strip through hole (305) is provided on the rounded top plate (303); the first pin (304) passes through the long strip through hole (305) and is fixed to the base (1).

3. A flap guide rail flatness measurement auxiliary leveling device according to claim 1, characterized in that: The right side clamping device (4) comprises a second fixing plate (402), a second adjusting bolt (401), a top plate (403), a second pin (404), and the second fixing plate (402) is fixed to the right end of the base (1); a second threaded through hole is provided on the second fixing plate (402); the end of the second adjusting bolt (401) passes through the second threaded through hole and extends into the inside of the top plate (403); the second adjusting bolt (401) is rotatably connected to the top plate (403), and an annular groove (4011) is provided at the end of the second bolt; the top plate (403) is slidably arranged on the base (1); a through hole is provided on the top plate (403) corresponding to the annular groove (4011); the second pin (404) passes through the through hole and is stuck in the annular groove (4011).

4. A flap guide rail flatness measurement auxiliary leveling device according to claim 3, characterized in that: A limiting block (4031) is provided at the bottom of the top plate (403), and a limiting groove (101) is provided on the base (1) at a position corresponding to the limiting block (4031), and the limiting block (4031) cooperates with the limiting groove (101).

5. The flap guide rail flatness measurement auxiliary leveling device according to claim 1, characterized in that: The base (1) is provided with three blind positioning holes, and positioning pins (102) of the same height are respectively provided in the three blind positioning holes.

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