CN202938983U - High-precision full-automatic zero returning compensation body axis balance calibration system - Google Patents
High-precision full-automatic zero returning compensation body axis balance calibration system Download PDFInfo
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- CN202938983U CN202938983U CN 201220145154 CN201220145154U CN202938983U CN 202938983 U CN202938983 U CN 202938983U CN 201220145154 CN201220145154 CN 201220145154 CN 201220145154 U CN201220145154 U CN 201220145154U CN 202938983 U CN202938983 U CN 202938983U
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Abstract
The utility model discloses a high-precision full-automatic zero returning compensation body axis balance calibration system, which comprises a resetting subsystem, a loading subsystem, a loading head initial positioning subsystem, a resetting measurement subsystem and a control subsystem. In order to solve problems of high precision and full automation of a zero returning compensation body axis balance calibration system, a set of the high-precision full-automatic zero returning compensation body axis balance calibration system which is advanced in technology and equipment is developed. The developing process of the subsystems assembles experiences and lessons in ages with respect to development and use of the balance calibration system, and the complete set of the system realizes high-precision and full-automatic balance calibration finally.
Description
Technical field
The utility model relates to aviation aerodynamic force wind-tunnel technique field, particularly be that a cover high-precision full-automatic returning-to-zero offset-type axon that can obtain balance work formula is the balance calibration system.
Background technology
Wind-tunnel balance is one of key equipment of wind tunnel force measurement experiment, and the precision of balance directly affects the accuracy of Wind Tunnel Data.Balance is surveying instrument, does not just demarcate and can not use, and the demarcation of balance is completed by the balance calibration system.The balance calibration system is to provide the necessary condition of high precision, high accuracy balance, and the precision of balance depends on the precision of calibration system, so each wind tunnel experiment unit all pays much attention to the development of high precision balance calibration system.
The wind-tunnel balance calibration system is by the difference that loads the system of axis, and can be divided into the earth's axis is that balance calibration system and axon are the balance calibration system.The earth's axis is that the balance calibration system is because the distortion after the balance stand under load, make the direction of institute's imposed load that variation occur, thereby inconsistent with the direction that the balance axon is, thereby correctly analogy model in the stress of wind-tunnel, affect the accuracy that balance is measured aerodynamic force, at home and abroad seldom use at present.
Axon is that the balance calibration system can divide following four kinds substantially: returning-to-zero offset-type axon is that balance calibration system, trailing type offset-type axon are that balance calibration system, the non-compensated axon of location formula are that balance calibration system, the non-compensated axon of two balance-type type are the balance calibration system.Trailing type offset-type axon is that the point of application of balance calibration system is too near apart from balance, so accuracy is lower; The non-compensated axon of location formula is that approximate conversion of the axon load of balance calibration system obtains, and add the definite position that is difficult to determine the point of application, so accuracy is lower; The non-compensated axon of two balance-type types is that the standard balance of balance calibration system also needs calibration, also to be increased by the error of school balance, therefore device structure will be more complicated, and will be very high to standard balance range ability and accuracy requirement, the system that also needs the complicated demarcation standard balance of a cover that has.Due to above reason, returning-to-zero offset-type axon is the main flow trend that the balance calibration system has become calibration system, and the superiority of its performance is familiar with by everybody, and speed of development is also more and more faster.
Returning-to-zero offset-type axon is that balance calibration system requirements balance suffered load in the process of quiet school is that coordinate is consistent with the axon that is arranged on balance model end loading head all the time.Make position and state before loading head returns to stand under load again by automatic measurement, control and adjustment System when the distortion of balance and pole stand under load, realize the calibration of axon system.Returning-to-zero offset-type axon is that the error that the balance calibration system brings to the balance calibration result mainly comes from the error of loading head initial alignment, the error that loads subsystem and the error of reseting precision, therefore returning-to-zero offset-type axon is to need in balance calibration system development process to consider to reduce above error, realizes the development of high precision balance calibration system.Simultaneously, returning-to-zero offset-type axon is that the full-automatic development of balance calibration system is also problem in the urgent need to address.
The utility model content
The technical problems to be solved in the utility model, being in order to solve high precision and the full-automatic problem that returning-to-zero offset-type axon is the balance calibration system, is the balance calibration system and a cover technological precedence, equipment advanced person's high-precision full-automatic returning-to-zero offset-type axon is provided.
The technical scheme that adopts is:
High-precision full-automatic returning-to-zero offset-type axon is the balance calibration system, comprises the subsystem that resets, loads subsystem, loading head initial alignment subsystem, the measurement subsystem that resets, control subsystem.
The described subsystem that resets comprises normal direction straight-line motion mechanism, axial linear movement mechanism, side direction straight-line motion mechanism, pitch movement mechanism, roll angle motion and yaw angle motion.From bottom to top normal direction straight-line motion mechanism, axial linear movement mechanism, side direction straight-line motion mechanism, pitch movement mechanism, roll angle motion are cascaded.
Described loading subsystem comprises box structure loading head, actuator, counterweight string, load transfer device.The counterweight string is positioned on actuator, and counterweight string upper end handle is connected with the box structure loading head by load transfer device, is connected with the subsystem that resets below box type balance, is connected with the box structure loading head above box type balance.
Described loading head initial alignment subsystem comprises two micrometer collimators and prism square, and prism square is installed on the box structure loading head.
The described measurement subsystem that resets comprises six high-precision semiconductor laser displacement sensors.Six high-precision semiconductor laser displacement sensors are divided into three groups measure loading head in spatial position change.
Described control subsystem by reset subsystem and load the electric machine rotation of subsystem of CAN bus and DeviceNet bus driver, realizes automatically loading and automatically reseting.
The good effect that the utility model is obtained is:
(1), this cover returning-to-zero offset-type axon is that the balance calibration system selects high-precision finished parts in a large number;
(2) this cover returning-to-zero offset-type axon is that the balance calibration system has realized that the bilayer of large load counterweight drags development;
3) this cover returning-to-zero offset-type axon is a balance calibration system loads initial alignment precision: displacement of the lines is less than 0.05mm, and angular displacement is less than 5 ";
(4) this cover returning-to-zero offset-type axon is balance calibration system reset precision: displacement of the lines is less than 0.03mm, and angular displacement is less than 3 ";
(5) this cover returning-to-zero offset-type axon is that the balance calibration system realizes the fully-automatic balance calibration, and a balance calibration time was tapered in present 5 hours by original need in 12 hours, had greatly improved time efficiency;
(6) use the calibration that this cover balance calibration system has completed many balances, the precision index all reaches the qualified index of national military standard, and majority reaches the advanced index of national military standard.
Description of drawings
Fig. 1 is whole system structural representation of the present utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the subsystem structure schematic diagram that resets of the present utility model.
Fig. 4 is counterweight string structure schematic diagram of the present utility model.
Fig. 5 is prism square collimation principle schematic of the present utility model.
Fig. 6 is the measurement subsystem structural representation that resets of the present utility model.
Fig. 7 is double-deck actuator structural representation of the present utility model.
Embodiment
High-precision full-automatic returning-to-zero offset-type axon is the balance calibration system, comprises the subsystem 1 that resets, loads subsystem 2, loading head initial alignment subsystem 3, the measurement subsystem that resets 4, box type balance 5, control subsystem 6 and software subsystem 7.
The described subsystem 1 that resets comprises normal direction straight-line motion mechanism 8, axial linear movement mechanism 9, side direction straight-line motion mechanism 10, pitch movement mechanism 11, roll angle motion 12 and yaw angle motion 13.From bottom to top normal direction straight-line motion mechanism 8, axial linear movement mechanism 9, side direction straight-line motion mechanism 10, pitch movement mechanism 11, roll angle motion 12 and yaw angle motion 13 are cascaded.
Described loading subsystem 2 comprises box structure loading head 14, actuator 15, counterweight string 16, load transfer device 17.Counterweight string 16 is positioned on actuator 15, and counterweight string upper end handle (see figure 4) 18 is connected with box structure loading head 14 by load transfer device 17, and box type balance 5 is following to be connected with the subsystem 1 that resets, and box type balance 5 is top to be connected with box structure loading head 14.
Described loading head initial alignment subsystem 3 comprises that two micrometer collimators 19 and prism square 20(see Fig. 6), prism square 20 is installed on box structure loading head 14.
The described measurement subsystem 4 that resets comprises six high-precision semiconductor laser displacement sensors 21.
Described control subsystem 6 is rotated by the reset motor 23 of subsystem 1 and the motor 22 that loads subsystem 2 of CAN bus and DeviceNet bus driver, realizes automatically loading and automatically reseting;
The course of work of the present utility model and principle
The operational process of whole system is: use the initial alignment that reset subsystem 1 and loading head initial alignment subsystem 3 are completed box structure loading head 14; After control subsystem 6 and software subsystem 7 preparations were in place, operating personnel assigned the fully-automatic balance calibration by the man-machine interface of console for centralized control; Software subsystem 7 can automatically be completed to upgrade and load group number, automatic loading command; Software subsystem 7 is to 6 load instructions of control subsystem and reset instruction, and receives constantly the data of the measurement subsystem 4 that resets; Control subsystem 6 begins to rotate according to the loading data-driven motor 22 of software subsystem 7, and the pallet 24 of actuator 15 drives counterweight string 16 and moves down, and realizes automatically loading; The subsystem 1 that resets is simultaneously measured loading head angle and displacement variable with respect to initial position after box type balance 5 load deflections according to the measurement subsystem 4 that resets, and six-freedom degree motor 23 rotates loading simultaneously, realizes automatically reseting; Automatically return to the information of completing that loads after loaded, software subsystem 7 begins just whether judging resets finishes, when the judgement ending message that resets returns, software subsystem 7 autocommand numbers are adopted equipment and are gathered the loading reset process that box type balance 5 signals have just been completed one group of load; And so forth, can realize a plurality of load(ing) points of box type balance 5 automatic loading, reset, gather, namely complete the Full-automatic calibration work of this box type balance 5, and automatically generate the balance conformity certification.
Claims (1)
1. high-precision full-automatic returning-to-zero offset-type axon is the balance calibration system, comprise the subsystem that resets (1), load subsystem (2), loading head initial alignment subsystem (3), the measurement subsystem that resets (4), box type balance (5), control subsystem (6), it is characterized in that the described subsystem that resets (1), comprise normal direction straight-line motion mechanism (8), axial linear movement mechanism (9), side direction straight-line motion mechanism (10), pitch movement mechanism (11), roll angle motion (12) and yaw angle motion (13), from bottom to top with normal direction straight-line motion mechanism (8), axial linear movement mechanism (9), side direction straight-line motion mechanism (10), pitch movement mechanism (11), roll angle motion (12) and yaw angle motion (13) are cascaded, described loading subsystem (2), comprise box structure loading head (14), actuator (15), counterweight string (16), load transfer device (17), counterweight string (16) is positioned on actuator (15), counterweight string upper end handle (18) is connected with box structure loading head (14) by load transfer device (17), be connected with the subsystem that resets (1) below box type balance (5), be connected with box structure loading head (14) above box type balance (5), described loading head initial alignment subsystem (3) comprises two micrometer collimators (19) and prism square (20), and prism square (20) is installed on box structure loading head (14), the described measurement subsystem that resets (4) comprises six high-precision semiconductor laser displacement sensors (21), described control subsystem (6) is rotated by the reset motor (23) of subsystem (1) and the motor (22) that loads subsystem (2) of CAN bus and DeviceNet bus driver, realizes automatically loading and automatically reseting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220145154 CN202938983U (en) | 2012-04-09 | 2012-04-09 | High-precision full-automatic zero returning compensation body axis balance calibration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220145154 CN202938983U (en) | 2012-04-09 | 2012-04-09 | High-precision full-automatic zero returning compensation body axis balance calibration system |
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| CN202938983U true CN202938983U (en) | 2013-05-15 |
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| CN 201220145154 Expired - Fee Related CN202938983U (en) | 2012-04-09 | 2012-04-09 | High-precision full-automatic zero returning compensation body axis balance calibration system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359619A (en) * | 2014-12-03 | 2015-02-18 | 中国航空工业集团公司沈阳空气动力研究所 | Dynamic calibration device and method for box-type balance for embedded cabin door force measurement test |
| CN108827589A (en) * | 2018-08-17 | 2018-11-16 | 中国航天空气动力技术研究院 | A kind of general quiet school frame repositioning method of wind-tunnel balance body axis |
| CN117073971A (en) * | 2023-10-17 | 2023-11-17 | 中国空气动力研究与发展中心高速空气动力研究所 | Reset control method based on loading head posture calculation and balance signal feedback |
-
2012
- 2012-04-09 CN CN 201220145154 patent/CN202938983U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359619A (en) * | 2014-12-03 | 2015-02-18 | 中国航空工业集团公司沈阳空气动力研究所 | Dynamic calibration device and method for box-type balance for embedded cabin door force measurement test |
| CN104359619B (en) * | 2014-12-03 | 2018-10-23 | 中国航空工业集团公司沈阳空气动力研究所 | Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method |
| CN108827589A (en) * | 2018-08-17 | 2018-11-16 | 中国航天空气动力技术研究院 | A kind of general quiet school frame repositioning method of wind-tunnel balance body axis |
| CN108827589B (en) * | 2018-08-17 | 2020-09-18 | 中国航天空气动力技术研究院 | Universal wind tunnel balance body shaft static calibration frame resetting method |
| CN117073971A (en) * | 2023-10-17 | 2023-11-17 | 中国空气动力研究与发展中心高速空气动力研究所 | Reset control method based on loading head posture calculation and balance signal feedback |
| CN117073971B (en) * | 2023-10-17 | 2023-12-08 | 中国空气动力研究与发展中心高速空气动力研究所 | Reset control method based on loading head posture calculation and balance signal feedback |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20160409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |