Aircraft gun spring force measuring device

Abstract

The utility model discloses a force measuring device for aircraft gun springs, which belongs to the technical field of aviation equipment testing and comprises a fixing seat 1, a stabilizing seat 2, a guide seat 3, a slide rail 4, a first fixing plate 5, a second fixing plate 6, an insertion plate 7 and a sensor assembly 8, the aircraft gun springs can be accurately positioned, the elastic force of the aircraft gun springs of different specifications can be quickly measured by replacing the guide seat and the insertion plate, and the measuring accuracy is high. The spring is compressed by operating the slide way through the crank, the elastic force of the spring is measured easily in a labor-saving manner, and the purposes of accurate positioning measurement, labor saving and convenient operation are achieved. The method has the advantages of practicability, convenience, accuracy and safety, and can improve the measurement efficiency of the aircraft gun spring and reduce the situation that the compression is complicated due to inaccurate positioning of operators.

Description

Technical Field

[0001] This utility model belongs to the field of aviation equipment testing technology and relates to a force measuring device for aircraft cannon springs. Background Technology

[0002] After disassembly, the cannon of a certain type of aircraft requires repeated testing of the spring force during maintenance. The pressure after multiple compressions must be recorded as a fundamental parameter for cannon maintenance. However, due to the long springs, small inner diameter, and varying spring sizes, existing general-purpose measuring equipment has a short travel range, making it impossible to measure the spring force of this cannon. Furthermore, it is not possible to quickly replace springs of different specifications for measurement. Therefore, existing equipment cannot measure the spring force of this cannon. Utility Model Content

[0003] This utility model provides a force measuring device for aircraft cannon springs, which can accurately locate cannon springs. By changing the guide seat and insert plate, the spring force of cannon springs of different specifications can be quickly measured. The spring is compressed by operating the slide through the crank handle, making it easy and effortless to measure the spring force. This achieves the purpose of accurate positioning and measurement, saving effort and making the operation convenient.

[0004] The present invention adopts the following technical solution:

[0005] An aircraft cannon spring force measuring device includes a fixed base 1, a stable base 2, a guide base 3, a slide rail 4, a first fixed plate 5, a second fixed plate 6, an insert plate 7, and a sensor assembly 8.

[0006] The slide rail 4 has a slide table on its track, and a handwheel at one end of the slide rail 4 is used to control the movement of the slide table. The fixed base 1 is fixedly connected to the slide table, and a vertical plate is provided on its upper surface. The sensor assembly 8 and the stabilizer 2 are fixed sequentially on the vertical plate, and a circular groove is formed on the other end face of the stabilizer 2. The guide seat 3 includes a circular base plate and a long rod. One end of the long rod is fixedly connected to the center of the circular base plate. The circular base plate is inserted into the circular groove of the stabilizer 2 to make the long rod horizontal. The outer diameter of the long rod is designed according to the inner diameter of the spring to be tested, and the spring to be tested is sleeved on the long rod. Circular holes are formed at corresponding positions on the upper part of the first fixed plate 5 and the second fixed plate 6. Bosses are formed on both sides of the circular hole on one side of the second fixed plate 6. The bosses fit with the first fixed plate 5, so that a slot is formed between the first fixed plate 5 and the second fixed plate 6. The bottom of the first fixed plate 5 and the second fixed plate 6 are fixed to the other end of the slide rail 4. The round holes of the two are coaxial with the long rod of the guide seat 3, and the diameter of the round hole is larger than the outer diameter of the long rod. The thickness and width of the insert plate 7 are set according to the slot between the first fixed plate 5 and the second fixed plate 6. A through hole is made in the middle of the plate, and the inner diameter of the through hole is set according to the outer diameter of the long rod of the guide seat 3. Bosses are made on both sides of the upper part of the insert plate 7. The insert plate 7 is inserted into the slot between the first fixed plate 5 and the second fixed plate 6 and positioned by the bosses. After insertion, the through hole of the insert plate 7 protrudes from the round hole of the first fixed plate 5 and the second fixed plate 6 and is coaxial, which is used to guide the movement of the guide seat 3. The two ends of the spring to be tested are clamped between the bottom plate of the guide seat 3 and the insert plate 7. The crank of the slide rail 4 is turned to operate the guide seat 3 to compress the spring to be tested. The spring force is measured by the sensor assembly 8.

[0007] Furthermore, the sensor assembly 8 adopts a cylindrical force sensor, including a force sensor, a force value display instrument, and an electrical control box. It has a compact structure and is easy to install. The force value display instrument has upper and lower limit alarm functions and is placed in a small electrical control box for easy storage, retrieval, and viewing of recorded values.

[0008] Furthermore, the guide seat 3 has a long rod with different outer diameters to accommodate springs with different inner diameters, and the corresponding insert plate 7 also has a through hole with different inner diameters, and the two are used together.

[0009] The beneficial effects of this utility model are: This utility model has a simple and practical structure, and has high practicality, convenience, accuracy and safety. At the same time, it can improve the measurement efficiency of aircraft cannon springs and reduce the occurrence of complex compression situations due to inaccurate positioning by operators. Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model.

[0011] Figure 2 This is a front view of the overall structure of this utility model.

[0012] Figure 3The diagram shows the structure of the fixed base, where (a) is the front view, (b) is the side view, and (c) is the top view.

[0013] Figure 4 This is a schematic diagram of the stabilizer structure, where (a) is the front view and (b) is the sectional view.

[0014] Figure 5 This is a schematic diagram of the guide seat structure.

[0015] Figure 6 This is a schematic diagram of the first fixed plate structure, where (a) is the front view and (b) is the side view.

[0016] Figure 7 This is a schematic diagram of the second fixed plate structure, where (a) is the front view and (b) is the side view.

[0017] Figure 8 The diagram shows the insert structure, where (a) is the front view and (b) is the side view.

[0018] The components include: 1. Fixed base, 2. Stabilizing base, 3. Guide base, 4. Slide rail, 5. First fixed plate, 6. Second fixed plate, 7. Insert plate, and 8. Sensor assembly. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the specific embodiments of this utility model will be described in detail below.

[0020] A force measuring device for aircraft cannon springs, such as Figure 1 and Figure 2 As shown, it includes a fixed base 1, a stable base 2, a guide base 3, a slide rail 4, a first fixed plate 5, a second fixed plate 6, an insert plate 7, and a sensor assembly 8.

[0021] The slide rail 4 is equipped with a slide table, and a handwheel is provided at one end of the slide rail 4 to control the movement of the slide table; for example Figure 3 As shown, the fixed base 1 is fixedly connected to the slide table, and its upper surface is provided with a vertical plate; the sensor assembly 8 is a cylindrical force sensor equipped with a force value display instrument and has upper and lower limit alarm functions, and the instrument is placed in a small electrical control box; one side of the sensor assembly 8 is fixedly connected to the vertical plate of the fixed base 1, and the other side is fixedly connected to the stabilizing base 2, and the other end face of the stabilizing base 2 has a circular groove, such as... Figure 4 As shown; Figure 5 As shown, the guide seat 3 includes a circular base plate and a long rod. A threaded hole is formed in the center of the circular base plate, and a threaded end is formed at one end of the long rod, which is threaded into the threaded hole in the circular base plate. The circular base plate is inserted into the circular groove of the stabilizing seat 2 to make the long rod horizontal. The long rod is available in various specifications with different outer diameters, selected according to the inner diameter of the spring to be measured. The spring to be measured is fitted onto the long rod. Figure 6 and Figure 7 As shown, the first fixing plate 5 and the second fixing plate 6 have corresponding circular holes on their upper parts. Bosses are formed on both sides of the circular hole on one side of the second fixing plate 6. The bosses fit against the first fixing plate 5, forming a slot between the first fixing plate 5 and the second fixing plate 6. The bottoms of the first fixing plate 5 and the second fixing plate 6 are fixed to the other end of the slide rail 4. The circular holes of both plates are coaxial with the long rod of the guide seat 3, and the diameter of the circular holes is larger than the outer diameter of the long rod. Figure 8 As shown, the thickness and width of the insert plate 7 are set according to the slot between the first fixing plate 5 and the second fixing plate 6. A through hole is made in the middle, and the inner diameter of the through hole is set according to the outer diameter of the long rod of the guide seat 3. Bosses are made on both sides of its upper part. The insert plate 7 is inserted into the slot between the first fixing plate 5 and the second fixing plate 6 and positioned by the bosses. After insertion, the through hole of the insert plate 7 protrudes from the round hole of the first fixing plate 5 and the second fixing plate 6 and is coaxial, used for guiding the movement of the guide seat 3. The two ends of the spring to be tested are clamped between the bottom plate of the guide seat 3 and the insert plate 7. The crank of the slide rail 4 is turned to operate the guide seat 3 to compress the spring to be tested. The spring force is measured by the sensor assembly 8.

[0022] In use, select the appropriate guide seat 3 according to the inner diameter of the spring to be tested, put the spring to be tested on the long rod of the guide seat 3, and select the matching insert plate 7 according to the outer diameter of the long rod to insert into the slot between the first fixing plate 5 and the second fixing plate 6; shake the crank of the slide rail 4, and the guide seat 3 moves with the slide table to the through hole of the insert plate 7 until the two ends of the spring are in contact with the bottom plate of the guide seat 3 and the insert plate 7 respectively; continue to shake the crank to compress the cannon spring and measure the spring force of the aircraft cannon spring.

[0023] In summary, the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A force measuring device for an aircraft cannon spring, characterized in that, It includes a fixed base (1), a stable base (2), a guide base (3), a slide rail (4), a first fixed plate (5), a second fixed plate (6), an insert plate (7), and a sensor assembly (8); The slide rail (4) is provided with a slide table on the slide rail, and a handwheel is provided at one end of the slide rail (4) to control the movement of the slide table; the fixed seat (1) is fixedly connected to the slide table, and a vertical plate is provided on its upper surface. The sensor assembly (8) and the stable seat (2) are fixed on the vertical plate in sequence. A circular groove is made on the other end face of the stable seat (2); the guide seat (3) includes a circular base plate and a long rod. One end of the long rod is fixedly connected to the center of the circular base plate. The circular base plate is inserted into the circular groove of the stable seat (2) to make the long rod horizontal. The outer diameter of the long rod is designed according to the inner diameter of the spring to be tested. The spring to be tested is sleeved on the long rod; the first fixed plate (5) and the second fixed plate (6) are provided with circular holes at corresponding positions on the upper part. The second fixed plate (6) is provided with protrusions on both sides of the circular hole on one side. The protrusions fit with the first fixed plate (5) so that a slot is formed between the first fixed plate (5) and the second fixed plate (6). The bottom of the fixing plate (6) is fixed to the other end of the slide rail (4). The round holes of the two are coaxial with the long rod of the guide seat (3), and the diameter of the round hole is larger than the outer diameter of the long rod. The thickness and width of the insert plate (7) are set according to the slot between the first fixing plate (5) and the second fixing plate (6). A through hole is made in the middle of the insert plate. The inner diameter of the through hole is set according to the outer diameter of the long rod of the guide seat (3). Bosses are made on both sides of the upper part. The insert plate (7) is inserted into the slot between the first fixing plate (5) and the second fixing plate (6) and positioned by the boss. After insertion, the through hole of the insert plate (7) is exposed from the round hole of the first fixing plate (5) and the second fixing plate (6) and is coaxial. It is used to guide the movement of the guide seat (3). The two ends of the spring to be tested are clamped between the bottom plate of the guide seat (3) and the insert plate (7). The crank of the slide rail (4) is shaken to operate the guide seat (3) to compress the spring to be tested. The spring force is measured by the sensor assembly (8).

2. The aircraft cannon spring force measuring device according to claim 1, characterized in that, The sensor assembly (8) is a cylindrical force sensor.

3. The aircraft cannon spring force measuring device according to claim 1, characterized in that, The guide seat (3) has a long rod with different outer diameters to accommodate springs with different inner diameters. The corresponding insert plate (7) also has a through hole with different inner diameters. The two are used together.

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