A method for using a pylon parallelism detection device

Abstract

The application relates to a method for using a hanger parallelism detection device for detecting the parallelism of left and right hangers on an air-to-ground missile launching device, which comprises a maintenance platform for placing the launching device, a base, a laser range finder, a level and a clamping device; the clamping device comprises a threaded hole arranged on the base, a screw threadedly connected with the threaded hole, a spring abutting against one end of the screw and a positioning ball fixedly connected with the other end of the spring; the laser range finder uses the axial ray projection method to first measure the distance from the left hanger to the laser range finder, then rotates the laser range finder 180 degrees with the rotating shaft as the center to measure the distance from the laser range finder to the right hanger, adds the two distances and the length of the laser range finder to obtain the center distance size of the two hangers; the parallelism of the hangers can be measured by moving the laser range finder along the sliding groove.

Description

Technical Field

[0001] This invention relates to the field of parallelism testing, and in particular to a method of using a hanger parallelism testing device. Background Technology

[0002] like Figure 6 As shown, the parallelism and levelness measurement of the mounting lugs of the existing launch device 2 consists of a first positioning plate 22, a second positioning plate 23, a depth gauge 24, and a feeler gauge. The first positioning plate 22 is flush with and pressed against the frame of the launch device 2. The first positioning plate 22 and the second positioning plate 23 are placed vertically. The depth gauge 24 is placed on the second positioning plate 23. The parallelism of both sides of the mounting lugs is measured using the depth gauge 24 and the feeler gauge. If the 0-0.5mm dimensional requirement is not met, the mounting lugs need to be readjusted repeatedly until the dimensional requirement is met. For levelness measurement, the launch device needs to be lifted onto the measurement platform 1. The gap between the bottom surface of the guide rail and the measurement platform is measured using a feeler gauge. If the gap does not meet the 0-3mm requirement, the shims between the guide rail and the launch device frame need to be readjusted.

[0003] Currently, the following problems exist with the measurement and testing tools used for mounting the launch device's lifting lugs:

[0004] (1) Low detection accuracy: The first positioning plate 22 and the second positioning plate 23 play a supporting role. They need to be held by hand and measured with a right angle ruler to see if they are perpendicular. After they are perpendicular, the parallelism is measured with a depth ruler 24. This not only results in insufficient measurement accuracy and inaccurate positioning, but also requires regular accuracy testing by the testing department as a measuring tool, which is inconvenient.

[0005] (2) The operator has a lot of physical labor: At least 3 people are needed to cooperate during the test. Because the hand shape needs to be adjusted many times and cannot be moved, it is extremely inconvenient.

[0006] (3) Time-consuming and labor-intensive: If the parallelism and levelness do not meet the requirements after assembly, multiple disassembly and reassembly and debugging are required.

[0007] (4) The detection time is relatively long: the average detection time for each transmitter is 10 minutes.

[0008] Therefore, how to develop such a technology is an urgent direction and goal that needs to be pursued by those skilled in the art. Summary of the Invention

[0009] The technical problem to be solved by the present invention is to provide a solution that overcomes the shortcomings of existing testing tools and has the advantages of improving testing accuracy, reducing the labor intensity of operators, reducing the number of operators, allowing for flexible testing locations and unrestricted testing sites.

[0010] The present invention adopts the following technical solution:

[0011] A rack parallelism detection device is used to detect the parallelism of the left and right jacks on an air-to-ground missile launcher. It includes a maintenance platform for placing the launcher, a base on the launcher, and a laser rangefinder on the base. The laser rangefinder can slide and rotate on the base.

[0012] Furthermore, the base is located between the left lug and the right lug.

[0013] Furthermore, it also includes a level mounted on the base.

[0014] Furthermore, the base is provided with a sliding groove; the laser rangefinder is provided with a rotating shaft; the rotating shaft is rotatably connected to the sliding groove; the rotating shaft can rotate within the sliding groove.

[0015] Furthermore, the base is provided with a clamping device for clamping the laser rangefinder.

[0016] Furthermore, the snap-fit ​​device includes a threaded hole on the base, a screw threadedly connected to the threaded hole, a spring with one end abutting against the screw, and a positioning ball fixedly connected to the other end of the spring.

[0017] Furthermore, the bottom surface of the laser rangefinder is provided with a hemispherical hole, and the positioning ball abuts against the hemispherical hole.

[0018] A method for using a hanger parallelism testing device includes the following steps:

[0019] S1, Place the launcher on the maintenance platform;

[0020] S2, place the base between the two lugs of the launching device;

[0021] S3, Use a level to check the levelness of the launching device, and make the launching device level;

[0022] S4. The laser rangefinder uses the axial ray projection method to first measure the distance from the left lug to the laser rangefinder. Then, it rotates the laser rangefinder 180 degrees around the pivot and measures the distance from the laser rangefinder to the right lug. The two distances are added together with the length of the laser rangefinder to get the center distance between the two lugs. Moving the laser rangefinder along the slide can measure the parallelism of the lugs.

[0023] The positive effects of this invention are as follows:

[0024] The testing device uses the principle of projecting the axial rays of a laser rangefinder onto the plane of the mounting lug to detect parallelism and center distance dimensions;

[0025] A level is used to check the levelness of the launching device; during the assembly process, the level bulb can be checked at any time to see if it is centered, eliminating the need for multiple disassembly and reassembly to meet the levelness requirements after assembly is completed.

[0026] The detection device can simultaneously detect the center distance of the mounting lugs, the parallelism of the two sides of the lugs, and the horizontality of the launching device;

[0027] The detection device can be placed anywhere between the two lugs of the launching device, without any positional restrictions;

[0028] Using current testing equipment, it takes only 2 minutes to test a single transmitter, increasing efficiency by 5 times;

[0029] The current testing equipment can be operated by one person, saving two people and labor. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure when the present invention is in use;

[0031] Figure 2 This is a schematic front view of the structure of the present invention;

[0032] Figure 3 for Figure 2 Enlarged view of point C;

[0033] Figure 4 This is a schematic diagram of the base structure;

[0034] Figure 5 This is a schematic top view of the structure of the present invention;

[0035] Figure 6 This is a schematic diagram of the detection device before the improvement.

[0036] In the attached diagram:

[0037] 1. Maintenance platform; 2. Launching device; 21. Left lifting lug; 22. First positioning plate; 23. Second positioning plate; 24. Depth gauge; 25. Right lifting lug; 3. Base; 31. Slide groove; 32. Threaded hole; 4. Laser rangefinder; 5. Screw; 6. Spring; 7. Positioning ball; 8. Level. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0039] Example 1

[0040] As attached Figure 1 As shown in Figure 6,

[0041] A rack parallelism detection device is used to detect the parallelism of the left lug 21 and the right lug 25 on the air-to-ground missile launcher 2. It includes a maintenance platform 1 for placing the launcher 2, a base 3 on the launcher 2, and a laser rangefinder 4 on the base 3. The laser rangefinder 4 can slide and rotate on the base 3.

[0042] The base 3 is located between the left lug 21 and the right lug 25.

[0043] It also includes a level 8 mounted on the base 3.

[0044] The base 3 is provided with a sliding groove 31; the laser rangefinder 4 is provided with a rotating shaft; the rotating shaft is rotatably connected to the sliding groove 31; the rotating shaft can rotate within the sliding groove 31.

[0045] The base 3 is equipped with a clamping device for clamping the laser rangefinder 4.

[0046] The snap-fit ​​device includes a threaded hole 32 on the base 3, a screw 5 threadedly connected to the threaded hole 32, a spring 6 with one end abutting against the screw 5, and a positioning ball 7 fixedly connected to the other end of the spring 6.

[0047] The bottom surface of the laser rangefinder 4 is provided with a hemispherical hole, and the positioning ball 7 abuts against the hemispherical hole.

[0048] Example 2

[0049] This embodiment illustrates the method of using this detection device;

[0050] A method for using a hanger parallelism testing device includes the following steps:

[0051] S1, Place the launching device 2 on the maintenance platform 1;

[0052] S2, place the base 3 between the two lugs of the launching device 2;

[0053] S3, use the level 8 to detect the levelness of the launching device 2, so that the launching device 2 is level;

[0054] S4, the laser rangefinder 4 uses the axial ray projection method to first measure the distance from the left lug 21 to the laser rangefinder 4, then rotates the laser rangefinder 4 180 degrees around the pivot and then measures the distance from the laser rangefinder 4 to the right lug 25. The two distances are added together with the length of the laser rangefinder 4 to get the center distance between the two lugs. The parallelism of the lugs can be measured by moving the laser rangefinder 4 along the slide groove 31.

[0055] Example 3

[0056] This embodiment has a basically the same structure as Embodiment 1.

[0057] The difference lies in removing the maintenance platform 1 and placing the launching device 2 on any flat surface. The base 3 slides on the surface of the launching device 1, and the flatness of the launching device can be detected according to the display of the level 8. Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method of using a mounting parallelism detection device, wherein the mounting parallelism detection device is used to detect the parallelism of the left lug (21) and the right lug (25) on an air-to-ground missile launcher (2); the mounting parallelism detection device includes a maintenance platform (1) for placing the launcher (2), characterized in that: It also includes a base (3) mounted on the transmitting device (2) and a laser rangefinder (4) mounted on the base (3); the laser rangefinder (4) is slidable and rotatable on the base (3); The base (3) is located between the left lug (21) and the right lug (25); It also includes a level (8) mounted on the base (3); The base (3) is provided with a sliding groove (31); the laser rangefinder (4) is provided with a rotating shaft; the rotating shaft is rotatably connected to the sliding groove (31); the rotating shaft can rotate within the sliding groove (31); The base (3) is provided with a snap-fit ​​device for snapping the laser rangefinder (4); The snap-fit ​​device includes a threaded hole (32) on the base (3), a screw (5) threadedly connected to the threaded hole (32), a spring (6) with one end abutting against the screw (5), and a positioning ball (7) fixedly connected to the other end of the spring (6). The method of using the bracket parallelism detection device includes the following steps. S1, place the launching device (2) on the maintenance platform (1); S2, place the base (3) between the two lugs of the launching device (2); S3, use a level (8) to detect the levelness of the launching device (2) so that the launching device (2) is level; S4, the laser rangefinder (4) uses the axial ray projection method to first measure the distance from the left lug (21) to the laser rangefinder (4), then rotate the laser rangefinder (4) 180 degrees around the pivot and then measure the distance from the laser rangefinder (4) to the right lug (25). The two distances are added together and the length of the laser rangefinder (4) is the center distance between the two lugs. Moving the laser rangefinder (4) along the slide (31) can measure the parallelism of the lugs.

2. The method of using the bracket parallelism detection device as described in claim 1, characterized in that: The bottom surface of the laser rangefinder (4) is provided with a hemispherical hole, and the positioning ball (7) abuts against the hemispherical hole.

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