CN114295272A - Steering column force rod displacement tester - Google Patents
Steering column force rod displacement tester Download PDFInfo
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- CN114295272A CN114295272A CN202210025385.1A CN202210025385A CN114295272A CN 114295272 A CN114295272 A CN 114295272A CN 202210025385 A CN202210025385 A CN 202210025385A CN 114295272 A CN114295272 A CN 114295272A
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Abstract
The invention discloses a steering column force rod displacement tester, wherein a high-performance single chip microcomputer is connected with a liquid crystal display screen and a stepping motor power supply, the stepping motor power supply is connected with a push-pull mechanism, a precision power supply is connected with the high-performance single chip microcomputer through a force sensor and an angular displacement sensor, and a keyboard and a manual switch are connected with the high-performance single chip microcomputer; the force sensor measures the rod force of the steering column, the angular displacement sensor measures the deflection angle of the horizontal tail wing, the high-performance single chip microcomputer controls the push-pull mechanism to work through the power supply of the stepping motor, the push-pull mechanism is used for simulating a maintenance worker to push and pull the steering column, the precision power supply is used for providing a high-quality power supply for the force sensor and the angular displacement sensor, the keyboard is used for inputting instructions and data, the manual switch is used for manually controlling the push-pull mechanism to work, and the liquid crystal display screen displays an operation process, prompt items and a detection result. The invention can automatically test the performance of the horizontal tail control system of the airplane, and has the advantages of high precision, short time, convenient operation, less required personnel and strong maneuverability.
Description
Technical Field
The invention relates to a testing device for an airplane horizontal tail control system, in particular to a force lever displacement tester for a steering column.
Background
When the aviation crew detects the performance of the airplane horizontal tail control system, the defects of low detection precision (manual detection), more required personnel, long time consumption and the like exist, the joystick force lever displacement tester can automatically realize the detection function, the precision is high, the time is short, the operation is convenient, the required personnel are few, the maneuverability is strong, and the requirement of scientific maintenance guarantee is met.
In conclusion, the invention designs the steering column force rod displacement tester.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steering column force rod displacement tester which can automatically test the performance of an airplane horizontal tail control system, has high precision, short time, convenient operation, less required personnel and strong maneuverability and meets the requirement of scientific maintenance guarantee.
In order to achieve the purpose, the invention is realized by the following technical scheme: the steering column force rod displacement tester comprises a high-performance single chip microcomputer, a force sensor, an angular displacement sensor, a stepping motor power supply, a push-pull mechanism, a precision power supply, a keyboard, a manual switch and a liquid crystal display screen, wherein the high-performance single chip microcomputer is connected with the liquid crystal display screen and the stepping motor power supply, the stepping motor power supply is connected with the push-pull mechanism, the precision power supply is connected with the high-performance single chip microcomputer through the force sensor and the angular displacement sensor, and the keyboard and the manual switch are connected with the high-performance single chip microcomputer; the force sensor measures the rod force of the steering column, the angular displacement sensor measures the deflection angle of the horizontal tail wing, the high-performance single chip microcomputer controls the push-pull mechanism to work through the power supply of the stepping motor, the push-pull mechanism is used for simulating a maintenance worker to push and pull the steering column, the precision power supply is used for providing a high-quality power supply for the force sensor and the angular displacement sensor, the keyboard is used for inputting instructions and data, the manual switch is used for manually controlling the push-pull mechanism to work (push, pull and stop), and the liquid crystal display screen displays an operation process, prompt items and a detection result.
Preferably, the stepping motor power supply, the force sensor and the push-pull mechanism form a driving rod driving device, the driving rod driving device is connected with a driving rod through a driving rod clamp, the force sensor is arranged at the joint of the push-pull mechanism and the driving rod clamp, the push-pull mechanism is connected with a pulley through a mounting seat, the pulley is in sliding fit with the guide sliding rail, an angular displacement sensor mounting seat is arranged at the horizontal tail wing, an angular displacement sensor is arranged on one side of the angular displacement sensor mounting seat, and the angular displacement sensor is connected with the plumb bob through a pull wire.
The test steps of the steering column force rod displacement tester are as follows:
1. starting automatic test, pushing a driving rod forwards, sampling a sensor, stopping pushing the rod forwards when the force increment of the rod is larger than T;
2. if the increment of the pole force projection is less than or equal to T, repeating the step 1;
3. pulling the driving rod backwards, sampling the sensor, stopping pulling the driving rod backwards when the force increment of the driving rod is larger than T;
4. if the increment of the pole force projection is less than or equal to T, repeating the step 3;
5. the steering column is neutral, and detection and data processing are carried out; and finishing the automatic test.
The invention has the beneficial effects that: the tester is used for automatically testing the performance of the airplane horizontal tail control system, can completely replace the pure manual detection method of the prior army, provides direct and reliable basis for judging and eliminating the performance fault of the airplane horizontal tail control system, improves the detection scientificity, accuracy and efficiency, and has important significance for ensuring the performance of the airplane and the flight training safety and improving the takeoff strength of the airplane.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic view of the installation inspection of the present invention;
FIG. 3 is a diagram of a tester panel of the present invention;
FIG. 4 is a test schematic of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the following technical solutions are adopted in the present embodiment: the steering column force rod displacement tester comprises a high-performance single chip microcomputer 1, sensors (a force sensor 2 and an angular displacement sensor 3), a stepping motor power supply 4, a push-pull mechanism 5, a precision power supply 6, a keyboard 7, a manual switch 8 and a liquid crystal display 9, wherein the high-performance single chip microcomputer 1 is connected with the liquid crystal display 9 and the stepping motor power supply 4, the stepping motor power supply 4 is connected with the push-pull mechanism 5, the precision power supply 6 is connected with the high-performance single chip microcomputer 1 through the force sensor 2 and the angular displacement sensor 3, and the keyboard 7 and the manual switch 8 are both connected with the high-performance single chip microcomputer 1; the force sensor 2 measures the rod force of the steering column, the angular displacement sensor 3 measures the deflection angle of the horizontal tail wing, the high-performance single chip microcomputer 1 controls the push-pull mechanism 5 to work through the power supply of the stepping motor, the push-pull mechanism 5 is used for simulating a maintenance worker to push and pull the steering column, the precision power supply 6 is used for providing a high-quality power supply for the force sensor and the angular displacement sensor, the keyboard 7 is used for inputting instructions and data, the manual switch 8 is used for manually controlling the push-pull mechanism to work (push, pull and stop), and the liquid crystal display 9 displays an operation process, prompting items and a detection result.
The driving device comprises a stepping motor power supply 4, a force sensor 2 and a push-pull mechanism 5, the driving device is connected with a driving rod 11 through a driving rod clamp 10, the force sensor 2 is arranged at the joint of the push-pull mechanism 5 and the driving rod clamp 10, the push-pull mechanism 5 is connected with a pulley 13 through a push-pull mechanism mounting seat 12, the pulley 13 is in sliding fit with a guide sliding rail 14, an angular displacement sensor mounting seat 16 is arranged at the position of a horizontal tail wing 15, an angular displacement sensor 3 is arranged on one side of the angular displacement sensor mounting seat 16, and the angular displacement sensor 3 is connected with a plumb 18 through a pull wire 17.
The test steps of the steering column force rod displacement tester are as follows:
1. starting automatic test, pushing a steering column forward, sampling a sensor, and stopping pushing the forward rod when the force increment of the rod is larger than T (T is a preset critical value);
2. if the increment of the pole force projection is less than or equal to T, repeating the step 1;
3. pulling the driving rod backwards, sampling the sensor, stopping pulling the driving rod backwards when the force increment of the driving rod is larger than T;
4. if the increment of the pole force projection is less than or equal to T, repeating the step 3;
5. the steering column is neutral, and detection and data processing are carried out; and finishing the automatic test.
The technical indexes of the tester of the specific embodiment are as follows:
the tester of the embodiment is used for testing the following performance parameters of the aircraft horizontal tail control system: k value when steering column is at neutral position, maximum stroke and maximum deflection angle of horizontal tail of steering column, and J value when arm regulator is changed from large arm to small armOffset ofMaximum lever force of steering lever, and J at neutral position of adjustment mechanismAverageAnd the like, and provides direct basis for judging and eliminating the performance fault of the horizontal tail control system of the airplane.
The hardware part of the specific embodiment comprises a steering column driving device, a steering column clamp, a horizontal tail deflection angle sensor device, a manual switch button, a mainframe box and the like. The driving device of the steering column consists of a stepping motor power supply, a force sensor, a push-pull mechanism and the like, plays a role of an arm and pushes and pulls the steering column. The steering column clamp is used for connecting the steering column driving device with the steering column and plays a role of a 'paw'. The horizontal tail deflection angle sensor device mainly comprises an angle sensor, a fixing frame, a balance weight and the like and is used for measuring the horizontal tail deflection angle. The manual switch button is used for manually controlling the push-pull mechanism to work and cutting off the power supply under emergency conditions to play a role in safety protection. The main case is mainly provided with a precision power supply (comprising 4 power supplies such as S-35-15, HS-50-24, HS-15-5, HT-50B and the like), a high-performance singlechip, a touch screen keyboard, a liquid crystal display screen, a stepping motor driver, a power switch and the like. The method is used for controlling the push-pull mechanism, detecting each parameter, processing and displaying data and the like. The installation detection schematic diagram of the hardware part on the airplane is shown in fig. 2.
The circuit part of the embodiment mainly realizes the connection of cables and sockets and completes the transmission of various signals, and consists of 5 cables. The No. 1 power cable is connected with a ground AC 220V power supply device (such as a ground power socket) through a plug and is connected with a power socket (3 core) on a panel of the rod force rod displacement tester through a plug, as shown in figure 3. And one end of the No. 2 manual control cable is connected with the manual control box through a 5-core plug, and the other end of the manual control cable is connected with a 5-core socket on the panel of the rod force rod displacement tester through the 5-core plug and is used for transmitting a manual control signal. One end of the No. 3 angular displacement sensor signal cable is connected with an angular displacement sensor, and the other end of the No. 3 angular displacement sensor signal cable is connected with a 3-core socket on a panel of the rod force rod displacement tester through a 3-core plug and is used for transmitting horizontal tail deflection signals. And one end of the No. 4 force sensor cable is connected with the force sensor, and the other end of the No. 4 force sensor cable is connected with a 7-core socket on the panel of the rod force rod displacement tester through a 7-core plug and is used for transmitting a rod force signal. And one end of the No. 5 stepping motor cable is connected with the stepping motor, and the other end of the No. 5 stepping motor cable is connected with a 4-core socket on the panel of the rod force rod displacement tester through a 4-core plug and is used for transmitting a control signal of the stepping motor.
The software portion of this embodiment mainly performs the following tasks: a. inputting a tour detection panel switch; b. according to a preset condition, performing itinerant sampling on a sensor signal; c. controlling the work of a motor of the push-pull mechanism; d. and carrying out data processing and outputting a processing result. The basic design idea is as follows: the itinerant detection input by the panel switch is taken as a main program, and the function options corresponding to the switch are compiled into subprograms and called by the main program. The system has definite testing items and steps and is assisted with a liquid crystal display screen to prompt operation contents, so the programming of a main program is clear. The subprogram module comprises: an automatic test module; a data processing module, a display module and the like. The principle block in which the software runs the test is shown in figure 4.
The working principle of the specific embodiment is as follows: this tester adopts high performance singlechip as control center, force transducer measures the pole power of steering column, angle displacement sensor measures horizontal fin deflection angle, high performance singlechip passes through step motor power control push-and-pull mechanism work, push-and-pull mechanism is used for simulating maintenance personal push-and-pull steering column, accurate power is used for providing high-quality power for force transducer and angle displacement sensor, the keyboard is used for the input instruction, data, manual switch is used for manual control push-and-pull mechanism work, liquid crystal display shows operation process, suggestion matter and testing result.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The steering column force rod displacement tester is characterized by comprising a high-performance single chip microcomputer (1), a force sensor (2), an angular displacement sensor (3), a stepping motor power supply (4), a push-pull mechanism (5), a precision power supply (6), a keyboard (7), a manual switch (8) and a liquid crystal display (9), wherein the high-performance single chip microcomputer (1) is connected with the liquid crystal display (9) and the stepping motor power supply (4), the stepping motor power supply (4) is connected with the push-pull mechanism (5), the precision power supply (6) is connected with the high-performance single chip microcomputer (1) through the force sensor (2) and the angular displacement sensor (3), and the keyboard (7) and the manual switch (8) are both connected with the high-performance single chip microcomputer (1); the force sensor (2) measures the rod force of the steering column, the angular displacement sensor (3) measures the deflection angle of the horizontal tail wing, the high-performance single chip microcomputer (1) controls the push-pull mechanism (5) to work through the power supply of the stepping motor, the push-pull mechanism (5) is used for simulating a maintenance worker to push and pull the steering column, the precision power supply (6) is used for providing a high-quality power supply for the force sensor and the angular displacement sensor, the keyboard (7) is used for inputting instructions and data, the manual switch (8) is used for manually controlling the push-pull mechanism to work, and the liquid crystal display screen (9) displays an operation process, prompting items and a detection result.
2. The steering column force lever displacement tester according to claim 1, characterized in that the stepping motor power supply (4), the force sensor (2) and the push-pull mechanism (5) form a steering column driving device, the steering column driving device is connected with the steering column (11) through a steering column clamp (10), the force sensor (2) is arranged at the joint of the push-pull mechanism (5) and the steering column clamp (10), the push-pull mechanism (5) is connected with the pulley (13) through a mounting seat (12), the pulley (13) is in sliding fit with the guide sliding rail (14), an angular displacement sensor mounting seat (16) is arranged at a horizontal tail wing (15), the angular displacement sensor (3) is arranged at one side of the angular displacement sensor mounting seat (16), and the angular displacement sensor (3) is connected with the plumb bob (18) through a pull wire (17).
3. The steering column force lever displacement tester of claim 1, wherein the steering column force lever displacement tester comprises the following test steps:
(1) the automatic test is started, the driving rod is pushed forward, the sensor is sampled, the force increment of the rod is larger than T, and the pushing of the driving rod is stopped;
(2) if the increment of the force projection of the rod is less than or equal to T, repeating the step (1);
(3) the rear pull rod samples the sensor, the force increment of the rod is larger than T, and the rear pull rod is stopped;
(4) if the increment of the force projection of the rod is less than or equal to T, repeating the step (3);
(5) detecting and processing data in the neutral position of the steering column; and finishing the automatic test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210025385.1A CN114295272A (en) | 2022-01-11 | 2022-01-11 | Steering column force rod displacement tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210025385.1A CN114295272A (en) | 2022-01-11 | 2022-01-11 | Steering column force rod displacement tester |
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| Publication Number | Publication Date |
|---|---|
| CN114295272A true CN114295272A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210025385.1A Pending CN114295272A (en) | 2022-01-11 | 2022-01-11 | Steering column force rod displacement tester |
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Citations (6)
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|---|---|---|---|---|
| CN103207064A (en) * | 2012-12-06 | 2013-07-17 | 中国人民解放军海军航空工程学院青岛校区 | In-situ testing system for flight control system loading mechanism |
| CN204128480U (en) * | 2014-10-24 | 2015-01-28 | 中国人民解放军第五七二一工厂 | A kind of aircraft horizontal tail angular displacement sensor detecting device |
| CN205652337U (en) * | 2016-02-25 | 2016-10-19 | 南京航空航天大学 | Aircraft initiative side lever |
| CN205826194U (en) * | 2015-12-29 | 2016-12-21 | 西安杰西电子科技发展有限责任公司 | A kind of pilot driver bar force measuring system being applied to analog machine packet capture |
| CN109186663A (en) * | 2018-07-28 | 2019-01-11 | 国营芜湖机械厂 | A kind of test device and its test method of aircraft control stick handle |
| CN110987420A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Operating force and operating displacement detection method |
-
2022
- 2022-01-11 CN CN202210025385.1A patent/CN114295272A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207064A (en) * | 2012-12-06 | 2013-07-17 | 中国人民解放军海军航空工程学院青岛校区 | In-situ testing system for flight control system loading mechanism |
| CN204128480U (en) * | 2014-10-24 | 2015-01-28 | 中国人民解放军第五七二一工厂 | A kind of aircraft horizontal tail angular displacement sensor detecting device |
| CN205826194U (en) * | 2015-12-29 | 2016-12-21 | 西安杰西电子科技发展有限责任公司 | A kind of pilot driver bar force measuring system being applied to analog machine packet capture |
| CN205652337U (en) * | 2016-02-25 | 2016-10-19 | 南京航空航天大学 | Aircraft initiative side lever |
| CN109186663A (en) * | 2018-07-28 | 2019-01-11 | 国营芜湖机械厂 | A kind of test device and its test method of aircraft control stick handle |
| CN110987420A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Operating force and operating displacement detection method |
Non-Patent Citations (1)
| Title |
|---|
| 严共鸣 等: "飞机平尾偏角检测仪的研制", 《装备制造技术》, no. 9, pages 39 - 41 * |
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