Tool for measuring distance between axes of lifting lugs on aircraft

Abstract

The utility model belongs to the technical field of aircrafts, and relates to an aircraft upper lifting lug axis distance measuring tool, which comprises a base, a lead screw is arranged on the base, a scale is arranged on the lead screw and can move left and right along the horizontal direction, movable sleeves are respectively arranged at two ends of the scale, and the movable sleeves are sleeved on the lead screw. The movable sleeve is positioned through a clamping block arranged on the ruler in a sliding mode. According to the utility model, the problems that the axis of the lifting lug is difficult to directly measure and the precision cannot be ensured during measurement are solved, key indexes of hanging suitability are verified in advance, and the compatibility of products and a carrier is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of aircraft technology and relates to a measuring tool, particularly a tool for measuring the distance between the axes of the hangers on an aircraft. Background Technology

[0002] The spacing between the mounting lugs on the aircraft is a key indicator for evaluating product suitability. It directly determines the compatibility between the aircraft and the carrier aircraft, ensuring smooth docking and separation. At the same time, it can be used to evaluate the fusion effect of the aircraft, check the collaborative work of multiple subsystems, and ensure efficient coordination between the systems.

[0003] The distance between the lifting lugs is a critical dimension that directly affects the product's suitability for mounting. However, the complex, multi-curved structure of the upper part of the lifting lug and the threaded cylindrical structure of the lower part cannot be directly measured using general-purpose tools, and the measurement accuracy cannot be guaranteed. Therefore, it is necessary to propose a tool for measuring the distance between the lifting lug axes on aircraft, which can quickly measure the distance between the lifting lug axes while ensuring the accuracy of the measurement results. Utility Model Content

[0004] The purpose of this utility model is:

[0005] This utility model provides a tool for measuring the distance between the axes of two hangers on an aircraft, which solves the problems of difficulty in directly measuring the axis of the hangers and the inability to guarantee accuracy during measurement. It verifies key indicators of suitability in advance and ensures the compatibility of the product with the carrier aircraft.

[0006] The technical solution of this utility model:

[0007] A tool for measuring the distance between the axes of a hanger lugs on an aircraft includes a base, a lead screw mounted on the base, a scale mounted on the lead screw, the scale being movable left and right in the horizontal direction, and movable sleeves mounted at both ends of the scale, the movable sleeves being positioned by locking blocks slidably mounted on the scale.

[0008] Furthermore, the base has two support legs at the bottom, and the bottom surfaces of the two support legs are conformal to the surface of the aircraft.

[0009] Furthermore, it also includes a height adjusting nut, which is threaded onto the lead screw and located at the bottom of the scale.

[0010] Furthermore, the lead screw is connected to the base through a threaded hole.

[0011] Furthermore, a long groove is cut in the middle of the scale, and the lead screw passes through the long groove, so that the scale is placed flat on the height adjusting nut.

[0012] Furthermore, the total length of the scale is longer than the distance between the axes of the two lugs of the aircraft.

[0013] Furthermore, the movable sleeve is provided with a through rectangular opening, through which the scale protrudes.

[0014] Furthermore, a threaded hole is provided on the card block and a locking screw is installed thereon. The card block is positioned on the scale by the locking screw.

[0015] Beneficial effects of this utility model

[0016] This utility model proposes a tool for measuring the distance between the axes of the lifting lugs on an aircraft. It cleverly converts the measurement of the distance between the two axes into the average value of the distance between the outer and inner sides of the lifting lugs. The sleeve is flat against the cylindrical arc surface of the lifting lug and fixed with a locking screw, which reduces measurement error. Moreover, this placement-type measuring tool is simple to read and easy to operate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structural features of the measuring tool in this utility model;

[0018] Among them, 1-cabin section, 2-lifting lug, 3-measuring tools;

[0019] Figure 2 Schematic diagram of each part of the measuring tool in this utility model;

[0020] Among them: 4-base, 5-lead screw, 6-height adjusting nut, 7-scale, 8-clamping block, 9-movable sleeve;

[0021] Figure 3 This is a schematic diagram of measuring the distance between the axes of the lifting lugs in this utility model. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of measuring the distance between the axes of the lifting lugs in this utility model. Figure 2 . Detailed Implementation

[0023] like Figure 1-4As shown, this utility model provides a tool for measuring the distance between the axes of a lifting lugs on an aircraft, which includes a base, an altitude adjusting nut, calipers, a movable sleeve, a locking block, and a locking screw. Its features, from bottom to top, are a cabin section, a lifting lug, and a measuring tool. The upper surface of the cabin section is a complex irregular surface, the upper half of the lifting lug has a complex, multi-curved surface structure, and the lower half has a threaded cylindrical structure. The measuring tool consists of a base, a lead screw, an altitude adjusting nut, a scale, a sleeve, a locking block, and a locking screw. The two support legs of the base are conformally aligned with the contact surface of the aircraft body, achieving stable placement on the aircraft through the two support legs; the lead screw is connected to the base through a threaded hole, and a height adjustment nut is installed on the lead screw, which is rotated to adjust the height of the height adjustment nut on the base; the scale has a long slot in the middle and is placed flat on the height adjustment nut, and the total length of the scale is slightly longer than the distance between the axes of the two lifting lugs; there are a total of 4 locking blocks, with two locking blocks placed on each side of the scale, and a threaded hole at the rear end of the locking block for installing a locking screw; there is one movable sleeve on each side, placed between the locking blocks on both sides of the scale, with two rectangular openings on the upper side, through which the scale passes.

[0024] During measurement, first place the measuring tool horizontally between the two lifting lugs. By adjusting the height adjusting nut and the position of the movable sleeve, align the inner cylindrical surface of the two movable sleeves with the lower cylindrical surface of the lifting lugs. Adjust the locking block to align with the movable sleeve and measure the distance A1 between the outer cylindrical surfaces of the two movable sleeves and the side closest to the base. Similarly, when aligning with the other cylindrical surface of the lifting lug, measure the distance A2 between the outer cylindrical surfaces of the two movable sleeves and the side furthest from the base. The distance between the axes of the two lifting lugs at this point is (A1 + A2) / 2.

Claims

1. A tool for measuring the distance between the axes of a suspension lugs on an aircraft, characterized in that, It includes a base, on which a lead screw is mounted, and on which a scale is mounted. The scale can move left and right horizontally. Movable sleeves are respectively mounted at both ends of the scale, and the movable sleeves are positioned by locking blocks that are slidably mounted on the scale.

2. The tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 1, characterized in that, The base has two support legs at the bottom, and the bottom surfaces of the two support legs are conformal to the surface of the aircraft.

3. The tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 1, characterized in that, It also includes a height adjusting nut, which is threaded onto the lead screw and located at the bottom of the scale.

4. The tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 1, characterized in that, The lead screw is connected to the base through a threaded hole.

5. A tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 3, characterized in that, A long groove is cut in the middle of the scale, and the lead screw passes through the long groove so that the scale is placed flat on the height adjustment nut.

6. The tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 1, characterized in that, The total length of the scale is longer than the distance between the axes of the two lifting lugs of the aircraft.

7. The tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 3, characterized in that, The movable sleeve has a through rectangular opening, through which the scale protrudes.

8. A tool for measuring the distance between the axes of a hanger lugs on an aircraft according to claim 7, characterized in that, The locking block has a threaded hole and a locking screw is installed thereon. The locking screw is used to position the locking block on the scale.

Images