CN112747790B - Flexible rocket projectile guidance cabin physical quantity testing system - Google Patents
Flexible rocket projectile guidance cabin physical quantity testing system Download PDFInfo
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- CN112747790B CN112747790B CN202011577365.2A CN202011577365A CN112747790B CN 112747790 B CN112747790 B CN 112747790B CN 202011577365 A CN202011577365 A CN 202011577365A CN 112747790 B CN112747790 B CN 112747790B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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Abstract
The invention relates to a physical quantity testing system of a flexible rocket projectile guidance cabin, and belongs to the field of automatic testing. The invention realizes the automatic replacement of the front-end supporting mechanism according to the model number of the tested product through the matching control of software and a mechanical structure. Through the cooperation of the mechanical structure and software control, the system can realize the automatic selection of the front-end supporting mechanism according to the model number of the tested product. Through the control of the limiting sensor on the rotation aligning mechanism, the mechanical structure design of the front supporting mechanism, the rear supporting mechanism and the limiting mechanism is combined, the axis of a product and the supporting table surface are always kept horizontal in the testing process, and the testing precision is guaranteed. The device can realize the simultaneous automatic test of three physical quantities of mass center, weight and height of various rocket projectile guidance cabin products. The invention shortens the test time and generates higher economic benefit while reducing the product transportation.
Description
Technical Field
The invention belongs to the technical field of automatic testing, and particularly relates to a physical quantity testing system for a flexible rocket projectile guidance cabin.
Background
The mass and the mass center are inherent characteristics of the missile, the control difficulty of the missile in the flying process can be reduced by the high-precision mass and the mass center position, and the method is an important guarantee for improving the success rate and the hit rate of a missile flight test. The guidance cabin is used as an important subsystem of a rocket projectile weapon system, and the accuracy of processing and assembling the guidance cabin is ensured besides the requirement of meeting the electrical performance. Therefore, detection and analysis of the quality and the centroid parameters of the guidance cabin are important links in the development and production processes of the guidance cabin.
The existing guidance cabin quality and mass center measuring system is a special system developed by a specific model, has general precision and poor universality, and cannot meet the requirement of high-precision large-batch automatic measurement of guidance cabin products.
After the guide cabin is assembled, the technical parameters such as the mass center, the height, the weight and the like of the product need to be measured. As the technical requirements of cabin body structures, conicity, rudder piece positions and the like of different types of guide cabins are not uniform, each product is provided with special mass center measuring equipment and special operators for measurement and recording in the production stage of the product. With the increasing number of models of factory products, the mode of one machine special does not meet the development requirement of factories, and the waste of resources is caused.
In order to solve the problem and realize the lean production of a factory, the invention provides an automatic testing system for the flexible center of mass of a guidance cabin. The system can realize the testing of the mass center, the height and the weight of three different types of products.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of how to provide a flexible rocket projectile guidance cabin physical quantity testing system so as to solve the problems that the existing mass center measuring equipment and mass center measuring method do not meet the development requirements of factories and cause resource waste and the like.
(II) technical scheme
In order to solve the technical problem, the invention provides a flexible rocket projectile guidance cabin physical quantity testing system, which comprises a main body supporting table board (1); a distance measuring sensor measuring mechanism (2); a load front end support structure (3); a load rear end support mechanism (4); a rotary alignment mechanism (5) and a load limiting mechanism (6);
the four pressure sensors (9) and the distance measuring sensor measuring mechanism (2) are arranged on the main body supporting table top (1), the testing platform (8) is fixed on the pressure sensors (9), and the load front end supporting mechanism (3), the load rear end supporting mechanism (4), the rotary aligning mechanism (5) and the load limiting mechanism (6) are arranged on the testing platform (8); the load front end supporting mechanism (3) is positioned in the front of the testing platform (8), a supporting wheel of the load front end supporting mechanism is used for supporting an elastomer, the load rear end supporting mechanism (4) is positioned in the rear of the testing platform (8), a supporting wheel of the load rear end supporting mechanism is used for supporting the elastomer, and the rotary aligning mechanism (5) is positioned beside the load rear end supporting mechanism (4) and is used for driving the supporting wheel of the load rear end supporting mechanism (4) to rotate so as to drive the elastomer on the supporting wheel to rotate; the load limiting mechanism (6) is positioned at the rear side of the load rear end supporting mechanism (4) and used for limiting the placement position of a product; the pressure sensor (9) is used for collecting pressure values, and the distance measuring sensor measuring mechanism (2) is located on the side face of the testing platform (8) and used for collecting distances of different positions.
Further, range sensor measuring mechanism (2) includes two displacement motor (10) and range sensor (11), thereby displacement that displacement motor (10) drive lead screw rotation can drive the slider makes range sensor (11) move on the two-dimensional plane.
Furthermore, the load front end supporting mechanism (3) comprises a guidance cabin front end supporting tool (12, 13, 14) on a supporting plane and a control motor (15) below the supporting plane, and the control motor (15) drives the whole load front end supporting mechanism (3) to rotate; the front end supporting tool (12, 13, 14) is provided with a supporting plate fixed by two grooves, and the supporting plate is provided with 2 supporting wheels.
Furthermore, three different models of front end supporting tools (12, 13 and 14) of the guidance cabin are arranged on the supporting plane, and the control motor (15) drives the whole load front end supporting mechanism (3) to rotate and is responsible for switching the tools of different models.
Furthermore, load rear end supporting mechanism (4) includes support and rear end supporting wheel (16, 17), and 2 rear end supporting wheels (16, 17) set up on the support, are applicable to different projectile supports.
Further, the rotary alignment mechanism (5) comprises a belt (18) and a rotary alignment motor (19), the rotary alignment motor (19) is connected with a speed reducer and is connected with a synchronous gear, and the synchronous gear enables a rear end supporting wheel (17) to rotate simultaneously through the belt (18) during transmission.
Further, the load limiting mechanism (6) comprises a limiting sensor (20) and two limiting devices (21 and 22), and the two limiting devices are positioned at the rear side of the load rear end supporting mechanism (4) and limit the placement position of the product.
Furthermore, the system also comprises a control device, wherein a software control part operated on the control device comprises a displacement control unit, a distance measurement acquisition unit, a rotation control unit, a limit control unit, a load front end support control unit and a pressure acquisition unit; the displacement control unit is responsible for photoelectric sensing movement in the distance measuring sensor measuring mechanism, and the two motors are controlled to rotate through software so as to move in a two-dimensional plane; the distance measurement acquisition unit is responsible for acquiring real-time data of distances at different positions; the rotation control unit is used for driving the projectile body to rotate in the working process; the limit control unit limits and reads the space position of the projectile body during working through structural limit and collection of the photoelectric sensor; the load front end supporting control unit is responsible for driving and adjusting the position of the front end supporting unit by software according to different types of bullets in the testing process of the bullets with different types, so that the equipment can adapt to different bullet types; the pressure acquisition unit is mainly responsible for carrying out data acquisition on pressure values at different positions.
The invention also provides a test method, which comprises the following steps:
s1, selecting the model of a test product of the guidance cabin and the test product number;
s2, controlling a motor to rotate the load front end supporting mechanism (3) by the load front end supporting control unit according to the selected product model through the testing software, and selecting corresponding front end supporting tools (12, 13 and 14) to enable the tools and the load rear end supporting mechanism (4) to be kept horizontal;
s3, placing the test product on the load front end supporting mechanism (3) and the load rear end supporting mechanism (4);
s4, during testing, the software controls the motor on the rotary alignment mechanism (5) to rotate to drive the rear end support of the load
The supporting wheel of the supporting mechanism (4) rotates to drive the product on the supporting wheel to rotate;
s5, continuously acquiring by an acquisition unit of a limit sensor (20), monitoring the moving process of the guidance cabin, triggering a motor braking instruction by the limit sensor (20) when the cabin body of the guidance cabin moves to a corresponding limit position, stopping the rotation of a rotary alignment motor (19) on a rotary alignment mechanism (5), and keeping the axis of the rocket projectile guidance cabin horizontal to the supporting platform surface;
s6, the mechanical limiters (21 and 22) prevent the product from moving backwards after the motor on the rotary alignment mechanism stops rotating;
s7, the test software controls the distance measuring sensor measuring mechanism (2) to move to a corresponding test point by the displacement control unit according to the selected product model;
and S8, sending an end signal and a conclusion information data packet after the test is finished.
(III) advantageous effects
The invention provides a physical quantity test system of a flexible rocket projectile guidance cabin, which can be used for measuring the mass centers, heights and weights of bullet types such as shrapnel, penetration bomb, cloud bomb and the like of rocket projectile guidance cabin products of three types, and has stronger universality and higher test precision.
The invention fully considers the requirement of data processing, records and analyzes the test data, has simple and convenient system operation, can measure without complex training of operators, has clear and visual display of test results and convenient and quick printing of output results.
According to the invention, on the premise that the automatic alignment function of the system ensures the test precision, the test process is simplified, namely, the horizontal direction does not need to be manually searched, the influence of human factors is effectively avoided, and the test efficiency is improved.
The invention realizes synchronous automatic measurement, calculation and information output of physical parameters such as the mass center, the height, the weight and the like of the product through software control and the design of a mechanical mechanism and the like, reduces the product transportation, shortens the test time and generates higher economic benefit. . The whole process of measurement does not need manual operation and recording of personnel, and only needs to put the product to a corresponding position, and equipment can automatically judge a measurement result and generate a product quality data packet, realizes seamless butt joint with an information system, effectively solves the end and end transmission bottleneck, eliminates an information island, and realizes the whole process management and control of product testing.
Drawings
FIG. 1 is a schematic diagram of a test system;
FIG. 2 is a structural diagram of a physical quantity testing system for a certain flexible rocket projectile guidance cabin;
(A) is an isometric view; (B) is a side view; (C) is a top view;
FIG. 3 is a test system workflow diagram 1;
FIG. 4 is a test system workflow diagram 2;
FIG. 5 is a side view of the body support table;
FIG. 6 is a schematic view of a distance measuring sensor measurement mechanism;
(A) is an axial view; (B) is a side view; (C) is a top view;
FIG. 7 is a schematic view of the load front end support mechanism;
(A) is an isometric view; (B) is a side view; (C) is a top view;
FIG. 8 is a schematic structural view of a rear end support mechanism for a load;
(A) is an isometric view; (B) is a side view; (C) is a top view;
FIG. 9 is a schematic view of the rotary alignment mechanism;
(A) is an isometric view; (B) is a side view; (C) is a top view;
FIG. 10 is a schematic view of the load limiting mechanism;
(A) is an isometric view; (B) is a side view;
in the figure: 1. a main body support table; 2. a distance measuring sensor measuring mechanism; 3. a load front end support mechanism; 4. A load rear end support mechanism; 5. a rotary alignment mechanism; 6. a load limiting mechanism; 7. a product axis; 8. testing the table top; 9. a pressure sensor; 10. a displacement motor; 11. a ranging sensor; 12. the XX model guidance cabin front end supports the frock; 13. the XX model guidance cabin front end supports the frock; 14. the XX model guidance cabin front end supports the frock; 15. controlling the motor; 16. a load rear end support wheel; 17. a load rear end support wheel; 18. a belt; 19. a rotary alignment motor; 20. a limit sensor; 21. a XX structure guidance cabin limiter; 22. XX structure guidance cabin stopper
Detailed Description
In order to make the objects, contents and advantages of the present invention more apparent, the following detailed description of the present invention will be made in conjunction with the accompanying drawings and examples.
The automatic testing system for the physical quantity of the flexible rocket projectile guidance cabin can measure the mass center, height and weight of penetration projectiles, shrapnel, explosion-killing projectiles, cloud explosion projectiles and other projectile types of rocket projectile guidance cabin products of three types.
The automatic measurement, calculation and information output of the product are realized through the design of software control, mechanical mechanisms and the like. The product can be placed at a corresponding position, manual operation and recording of personnel are not needed in the measuring process, and the measuring result can be automatically judged by the device. And generating a test information data packet, realizing seamless butt joint with an information system, effectively solving the end-to-end transmission bottleneck and eliminating information isolated islands. And realizing the whole process management and control of product testing.
The system consists of two parts, namely software control and a mechanical mechanism. The schematic composition of the test system is shown in FIG. 1.
The system also comprises a control device, wherein a software control part running on the control device comprises a displacement control unit; a distance measurement acquisition unit; a rotation control unit; a limit control unit; a load front end support control unit; pressure acquisition unit, etc. 6 units.
The displacement control unit is mainly responsible for photoelectric sensing movement in the distance measuring sensor measuring mechanism, and the two motors are controlled to rotate through software so as to move in a two-dimensional plane.
The distance measurement acquisition unit is mainly responsible for acquiring real-time data of distances at different positions.
The rotation control unit is mainly responsible for driving the product to rotate in the working process.
The limit control unit mainly limits and reads the spatial position of the product during working through structural limit and collection of the photoelectric sensor.
The load front end supporting control unit is mainly responsible for driving and adjusting the position of the front end supporting unit by software according to the models of different products in the process of testing the products of different models, so that the equipment can adapt to different product models.
The pressure acquisition unit is mainly responsible for carrying out data acquisition on pressure values at different positions.
The mechanical structure part comprises a main body supporting table top (1); a distance measuring sensor measuring mechanism (2); a load front end support structure (3); a load rear end support mechanism (4); a rotary alignment mechanism (5) and a load limiting mechanism (6). The specific structure is shown in fig. 2, 5, 6, 7, 8, 9 and 10. The method mainly comprises the following steps: the device comprises a main body supporting table top, a pressure sensor, a testing table top, a displacement motor, a distance measuring sensor, a load front end support, a load rear end support, a load limiting mechanism and the like.
Four pressure sensors (9) and a distance measuring sensor measuring mechanism (2) are installed on a main body supporting table board (1), a testing platform (8) is fixed on the pressure sensors (9), and a load front end supporting mechanism (3), a load rear end supporting mechanism (4), a rotary aligning mechanism (5) and a load limiting mechanism (6) are installed on the testing platform (8). The load front end supporting mechanism (3) is positioned in front of the testing platform (8), a supporting wheel of the load front end supporting mechanism is used for supporting an elastomer, the load rear end supporting mechanism (4) is positioned in rear of the testing platform (8), a supporting wheel of the load rear end supporting mechanism is used for supporting the elastomer, and the rotary aligning mechanism (5) is positioned beside the load rear end supporting mechanism (4) and is used for driving the supporting wheel of the load rear end supporting mechanism (4) to rotate so as to drive the elastomer on the supporting wheel to rotate; the load limiting mechanism (6) is positioned at the rear side of the load rear end supporting mechanism (4) and used for limiting the placement position of a product; the pressure sensor (9) is used for collecting pressure values, and the distance measuring sensor measuring mechanism (2) is located beside the testing platform (8) and is used for collecting distances of different positions.
The distance measuring sensor measuring mechanism (2) is composed of two displacement motors (10) and a distance measuring sensor (11), and the displacement motors (10) drive a lead screw to rotate so as to drive the displacement of a sliding block, so that the distance measuring sensor (11) moves on a two-dimensional plane; the load front end supporting mechanism (3) is composed of three different types of guide cabin front end supporting tools (12, 13 and 14) on a supporting plane and a control motor (15) below the supporting plane, and the control motor (15) drives the whole load front end supporting mechanism (3) to rotate and is responsible for switching the tools of different types. The front end supporting tools (12, 13 and 14) are fixed with a supporting plate by two grooves, and the supporting plate is provided with 2 supporting wheels, so that the supporting wheels can move up and down in the using process of the equipment, and the equipment is more flexible; the load rear end supporting mechanism (4) comprises a support and rear end supporting wheels (16, 17), and 2 rear end supporting wheels (16, 17) are arranged on the support and are suitable for supporting different elastic bodies. The rotary alignment mechanism (5) comprises a belt (18) and a rotary alignment motor (19). The rotary alignment motor (19) is connected with the speed reducer and is connected with the synchronous gear, and the synchronous gear enables a rear end supporting wheel (17) to rotate simultaneously through a belt (18) during transmission; the load limiting mechanism (6) mainly comprises a limiting sensor (20) and two limiting devices (21 and 22), is positioned on the rear side of the load rear end supporting mechanism (4), and limits the placement position of a product.
The working process is as follows, and the working flow chart of the test system is shown in figure 3. The working program of the test system is shown in figure 4.
And S1, selecting the model of the test product and the test product number.
And S2, controlling the motor to rotate the load front end supporting mechanism (3) by the load front end supporting control unit according to the selected product model through the testing software, and selecting the corresponding front end supporting tools (12, 13 and 14) to keep the tools and the load rear end supporting mechanism (4) horizontal. Fig. 7 shows a schematic structural view of the load front end support mechanism (3). Fig. 8 shows a schematic view of the load rear end support mechanism (4).
And S3, placing the test product on the load front end supporting mechanism (3) and the load rear end supporting mechanism (4). The placement position need not be chosen deliberately.
S4, during testing, the software controls the motor on the rotary alignment mechanism (5) to rotate, and drives the supporting wheel of the load rear end supporting mechanism (4) to rotate, so that the product on the supporting wheel is driven to rotate. The schematic structural diagram of the rotary alignment mechanism is shown in fig. 9.
Because the front end of the rocket projectile guidance cabin is of a cone structure, the cabin body of the guidance cabin moves backwards in the rotating process.
The limiting mode adopts two methods of mechanical limiting and sensor limiting to match limiting. The schematic structural diagram of the load limiting mechanism (6) is shown in fig. 10.
S5, a limit sensor (20) acquisition unit continuously acquires data, the moving process of the guidance cabin is monitored, when the cabin body of the guidance cabin moves to a corresponding limit position, the limit sensor (20) triggers a motor braking instruction, a rotary alignment motor (19) on a rotary alignment mechanism (5) stops rotating, and at the moment, the axis of the rocket projectile guidance cabin is kept horizontal to the supporting platform surface. As shown in fig. 1.
S6, the mechanical stoppers (21, 22) prevent the projectile body from moving backwards due to inertia, gravity and other factors after the motor on the rotary contraposition mechanism device stops rotating.
And S7, controlling the distance measuring sensor measuring mechanism (2) to move to a corresponding test point by the displacement control unit according to the selected product model through the test software. The measuring mechanical structure of the distance measuring sensor is schematically shown in fig. 6.
And S8, sending an end signal and a conclusion information data packet after the test is finished.
The invention realizes the automatic replacement of the front-end supporting mechanism according to the model number of the tested product through the matching control of software and a mechanical structure. Through the cooperation of the mechanical structure and software control, the system can realize the automatic selection of the front-end supporting mechanism according to the model number of the tested product. Through the control of the limiting sensor to the rotation alignment mechanism, the mechanical structure design of the front supporting mechanism, the rear supporting mechanism and the limiting mechanism is combined, the axis of the product and the supporting table top are always kept horizontal in the testing process, and the testing precision is guaranteed. The device can realize the simultaneous automatic test of three physical quantities of mass center, weight and height of various rocket projectile guidance cabin products.
The invention provides a physical quantity test system of a flexible rocket projectile guidance cabin, which can be used for measuring the mass centers, heights and weights of bullet types such as shrapnel, penetration bomb, cloud bomb and the like of rocket projectile guidance cabin products of three types, and has stronger universality and higher test precision.
The invention fully considers the requirement of data processing, records and analyzes the test data, has simple and convenient system operation, can measure without complex training of operators, has clear and visual display of test results and convenient and quick printing of output results.
According to the invention, on the premise that the automatic alignment function of the system ensures the test precision, the test process is simplified, namely, the horizontal direction does not need to be manually searched, the influence of human factors is effectively avoided, and the test efficiency is improved.
The invention realizes the synchronous automatic measurement, calculation and information output of physical parameters such as the mass center, the height, the weight and the like of the product through the software control and the design of a mechanical mechanism and the like, shortens the test time and generates higher economic benefit while reducing the product transportation. The whole process of measurement does not need manual operation and recording of personnel, and only needs to put the product to a corresponding position, and equipment can automatically judge a measurement result and generate a product quality data packet, realizes seamless butt joint with an information system, effectively solves the end and end transmission bottleneck, eliminates an information island, and realizes the whole process management and control of product testing.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A physical quantity testing system of a flexible rocket projectile guidance cabin is characterized by comprising a main body supporting table board (1); a distance measuring sensor measuring mechanism (2); a load front end support mechanism (3); a load rear end support mechanism (4); a rotary alignment mechanism (5) and a load limiting mechanism (6);
four pressure sensors (9) and the distance measuring sensor measuring mechanism (2) are arranged on the main body supporting table top (1), a testing platform (8) is fixed on the pressure sensors (9), and the loading front end supporting mechanism (3), the loading rear end supporting mechanism (4), the rotary aligning mechanism (5) and the loading limiting mechanism (6) are arranged on the testing platform (8); the load front end supporting mechanism (3) is positioned in the front of the testing platform (8), a supporting wheel of the load front end supporting mechanism is used for supporting an elastomer, the load rear end supporting mechanism (4) is positioned in the rear of the testing platform (8), a supporting wheel of the load rear end supporting mechanism is used for supporting the elastomer, and the rotary aligning mechanism (5) is positioned beside the load rear end supporting mechanism (4) and is used for driving the supporting wheel of the load rear end supporting mechanism (4) to rotate so as to drive the elastomer on the supporting wheel to rotate; the load limiting mechanism (6) is positioned at the rear side of the load rear end supporting mechanism (4) and used for limiting the placement position of a product; the pressure sensor (9) is used for collecting pressure values, the distance measuring sensor measuring mechanism (2) is located on the side face of the test platform (8) and is used for collecting distances of different positions;
the load front end supporting mechanism (3) comprises guidance cabin front end supporting tools (12, 13 and 14) on a supporting plane and a control motor (15) under the supporting plane, and the control motor (15) drives the whole load front end supporting mechanism (3) to rotate; the front end supporting tools (12, 13 and 14) are fixed with a supporting plate by two grooves, and 2 supporting wheels are arranged on the supporting plate;
three different types of front end supporting tools (12, 13 and 14) of the guidance cabin are arranged on the supporting plane, and the control motor (15) drives the whole load front end supporting mechanism (3) to rotate and is responsible for switching different types of tools;
the load rear end supporting mechanism (4) comprises a bracket and rear end supporting wheels (16, 17), wherein 2 rear end supporting wheels (16, 17) are arranged on the bracket and are suitable for supporting different elastic bodies;
the rotary alignment mechanism (5) comprises a belt (18) and a rotary alignment motor (19), the rotary alignment motor (19) is connected with a speed reducer and is connected with a synchronous gear, and the synchronous gear enables a rear end supporting wheel (17) to rotate simultaneously through the belt (18) during transmission;
the load limiting mechanism (6) comprises a limiting sensor (20) and two limiting devices (21 and 22), and is located on the rear side of the load rear end supporting mechanism (4) to limit the placement position of a product.
2. The system for testing the physical quantity of the flexible rocket projectile guidance cabin is characterized in that the distance measuring sensor measuring mechanism (2) comprises two displacement motors (10) and a distance measuring sensor (11), wherein the displacement motors (10) drive a lead screw to rotate so as to drive a sliding block to displace, so that the distance measuring sensor (11) moves on a two-dimensional plane.
3. The system for testing the physical quantity of the flexible rocket projectile guidance cabin according to claim 1, wherein the system further comprises a control device, and a software control part running on the control device comprises a displacement control unit, a distance measurement acquisition unit, a rotation control unit, a limit control unit, a load front end support control unit and a pressure acquisition unit; the displacement control unit is responsible for photoelectric sensing movement in the distance measuring sensor measuring mechanism, and the two motors are controlled to rotate through software so as to move in a two-dimensional plane; the distance measurement acquisition unit is responsible for acquiring real-time data of distances at different positions; the rotation control unit is used for driving the projectile body to rotate in the working process; the limit control unit limits and reads the space position of the projectile body in work through structural limit and collection of the photoelectric sensor; the load front-end supporting control unit is responsible for driving and adjusting the position of the front-end supporting unit by software according to different types of bullets in the testing process of the bullets with different types, so that the equipment can adapt to different bullet types; the pressure acquisition unit is mainly responsible for carrying out data acquisition on pressure values at different positions.
4. A testing method based on the system of claim 3, characterized in that the method comprises the steps of:
s1, selecting the model of a test product of the guidance cabin and the test product number;
s2, controlling a motor to rotate the load front end supporting mechanism (3) by the load front end supporting control unit according to the selected product model through the testing software, and selecting corresponding front end supporting tools (12, 13 and 14) to enable the tools and the load rear end supporting mechanism (4) to be kept horizontal;
s3, placing the test product on the load front end supporting mechanism (3) and the load rear end supporting mechanism (4); s4, during testing, the software controls the motor on the rotary alignment mechanism (5) to rotate to drive the rear end support of the load
The supporting wheel of the supporting mechanism (4) rotates to drive the product on the supporting wheel to rotate;
s5, continuously acquiring by an acquisition unit of a limit sensor (20), monitoring the moving process of the guidance cabin, triggering a motor braking instruction by the limit sensor (20) when the cabin body of the guidance cabin moves to a corresponding limit position, stopping the rotation of a rotary alignment motor (19) on a rotary alignment mechanism (5), and keeping the axis of the rocket projectile guidance cabin horizontal to the supporting platform surface;
s6, the mechanical limiters (21 and 22) prevent the product from moving backwards after the motor on the rotary alignment mechanism stops rotating;
s7, the test software controls the distance measuring sensor measuring mechanism (2) to move to a corresponding test point by the displacement control unit according to the selected product model;
and S8, sending an end signal and a conclusion information data packet after the test is finished.
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| CN104075845B (en) * | 2014-07-14 | 2017-06-09 | 北京航空航天大学 | Irregular profile guided missile quality center of mass measurement apparatus |
| CN106855383B (en) * | 2015-12-09 | 2018-04-17 | 中国科学院沈阳自动化研究所 | A kind of ammunition static parameter self-operated measuring unit |
| CN208254714U (en) * | 2018-05-28 | 2018-12-18 | 成都职业技术学院 | A kind of physical quantity test macro |
| CN108645566B (en) * | 2018-08-16 | 2023-11-10 | 孝感市宝龙电子有限公司 | Bullet arrow mass center moment of inertia testboard |
| CN109945750A (en) * | 2019-02-12 | 2019-06-28 | 上海航天精密机械研究所 | Guided missile geometrical property digitized measurement system and method based on multi-joint measurement arm |
| JP7140033B2 (en) * | 2019-04-01 | 2022-09-21 | 株式会社島津製作所 | Material testing machine and control method for material testing machine |
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