CN115031665B - Operating lever angle testing method - Google Patents
Operating lever angle testing method Download PDFInfo
- Publication number
- CN115031665B CN115031665B CN202210964476.1A CN202210964476A CN115031665B CN 115031665 B CN115031665 B CN 115031665B CN 202210964476 A CN202210964476 A CN 202210964476A CN 115031665 B CN115031665 B CN 115031665B
- Authority
- CN
- China
- Prior art keywords
- range finder
- laser range
- mounting cavity
- angle
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
Abstract
The invention provides a method for testing the angle of a control lever, which comprises the steps of placing an auxiliary plate, installing and measuring auxiliary equipment, measuring the control lever front and back, measuring the control lever left and right and calculating the angular displacement. Two auxiliary plates are arranged in a cockpit of the rotorcraft. The operating rod is dialed to an initial position, and the measurement auxiliary equipment is fixedly arranged at the top end of the operating rod; the measurement auxiliary equipment is provided with a first laser range finder and a second laser range finder. And measuring the front and back of the joystick and recording the measured value n of the second laser range finder. And measuring left and right by the joystick, and recording the measured value of the second laser range finder. And calculating to obtain the front-back overturning angle of the handle base of the operating lever relative to the initial position, and calculating to obtain the left-right overturning angle of the operating lever relative to the initial position. The method for testing the angle of the operating lever can effectively solve the problem that the angle sensor cannot be installed, can improve the accuracy of the angle displacement value, and has strong practicability.
Description
Technical Field
The invention belongs to the technical field of measurement of aircraft control levers, and particularly relates to a control lever angle testing method.
Background
Rotorcraft refers to "aircraft" that use unpowered rotors to provide lift, heavier than air. Rotorcraft, one type of aircraft, are also equipped with a joystick. The control lever is a device for controlling the aileron by pushing (pulling) transversely, the rotorcraft can not fly at speed when taking off, and needs a timely upward lifting force, and the control lever is used for adjusting the angle of the horizontal tail wing in a front-back action mode, so that the control lever is used for controlling the lifting of the rotorcraft. The left and right movements of the joystick are used to adjust the angle of the vertical tail to control the left and right direction of flight of the rotorcraft. Pulling the control stick backward, the corresponding horizontal tail wing plate will be upwards improved, and the air current will have an upward lifting power to the gyroplane, so the gyroplane will take off or fly upwards, pushing the control stick forward, the horizontal tail wing will fall downwards, the air current will have a downward pressure to the gyroplane effect, the gyroplane will fly downwards or fall.
Among the prior art, in the gyroplane manufacturing and testing process, survey each item data of control rod usually, wherein just including the angular displacement volume of control rod, the control rod mainly is around the upset of horizontal pole front and back, or the upset about the right-left, and in order to guarantee the comfort level when the control rod is held, the control rod includes the connecting portion of broken line type and is located the handle base of connecting portion upper end usually, control rod angular displacement volume measurement can guarantee to correct the control rod, in order to guarantee the accuracy of control rod initial position, and can survey take-off, the required angular displacement volume of control rod when descending and turn to. However, for measuring the angular displacement of the joystick, the conventional method is to use an angle sensor or directly use a protractor for measurement, the angle sensor needs to be installed on a rotating shaft in the measurement mode of the angle sensor, but for the rotorcraft, the angle sensor cannot be installed during test flight test; and the direct measurement mode of the protractor has overlarge measurement error, lower accuracy and poorer practicability.
Disclosure of Invention
The embodiment of the invention provides a method for testing an operating lever angle, and aims to solve the problem that the existing method for measuring the operating lever angle of a gyroplane is poor in practicability.
In order to achieve the purpose, the invention adopts the technical scheme that: the method for testing the angle of the operating lever sequentially comprises the following steps:
placing auxiliary plates, and arranging two auxiliary plates in a cockpit of the gyroplane, wherein one auxiliary plate is horizontally arranged and the height of the auxiliary plate is flush with that of the horizontal rod; the other auxiliary plate is arranged along the vertical direction and is parallel to the horizontal rod at intervals;
mounting a measurement auxiliary device, shifting the operating lever to an initial position, and fixedly mounting the measurement auxiliary device to the top end of the operating lever; the measurement auxiliary equipment is provided with a first laser range finder and a second laser range finder, when the joystick is positioned at the initial position, the first laser range finder projects laser to the horizontally placed auxiliary plate along the vertical direction, and the second laser range finder projects laser to the vertically placed auxiliary plate along the horizontal direction;
measuring the front and the back of the operating rod, respectively shifting the operating rod along the front and the back directions, and recording a measured value n of the first laser range finder;
measuring left and right by using an operating lever, respectively shifting the operating lever along left and right directions, and recording a measured value m of the second laser range finder; and
calculating the angular displacement, and calculating the front-back overturning angle of the control lever handle base relative to the initial position according to the known control lever connecting part length, the control lever handle base length, the spacing length between the control lever handle base and the first laser range finder, the included angle between the control lever handle base and the control lever connecting part and the measured value n of the first laser range finder; the left-right turning angle of the operating rod relative to the initial position is calculated by the sum of the known length of the auxiliary plate from the operating rod, the projection length of the operating rod in the front-back direction, the projection length of the operating rod from the operating rod to the horizontal plane where the second laser range finder 20 is located, and the measured value m of the second laser range finder.
In one possible implementation, the measurement assisting apparatus includes a base, a mounting seat, and an adjusting structure; the base is fixedly arranged at the top end of the operating rod; the mounting seat is fixedly arranged on the base and provided with a first mounting cavity for the arrangement of a first laser range finder and a second mounting cavity for the arrangement of a second laser range finder, a first opening communicated with the first mounting cavity is formed in the bottom of the mounting seat, and a second opening communicated with the second mounting cavity is formed in one side of the mounting seat along the horizontal direction; the adjusting structure is provided with two groups, and the adjusting structure is respectively in one-to-one correspondence with the first mounting cavity and the second mounting cavity and used for correcting the corresponding first laser range finder or the second laser range finder.
In a possible implementation manner, joint bearings are arranged in the first mounting cavity and the second mounting cavity, and outer rings of the joint bearings are fixedly connected with the mounting seat;
one end of the first laser range finder is positioned in the first mounting cavity and connected with the inner ring of the joint bearing, and the other end of the first laser range finder extends out of the first mounting cavity; one end of the second laser range finder is located in the second mounting cavity and connected with the inner ring of the joint bearing, and the other end of the second laser range finder extends out of the second mounting cavity.
In a possible implementation, each set of the adjustment structures includes a plurality of damping members, each of the damping members is adjacent to the first opening or the second opening, and each of the damping members is annularly spaced around the first laser range finder or the second laser range finder; each damping piece comprises a screw, a fixing ball and a nut; the screw rod is connected with the mounting seat in a threaded fit mode, the fixing ball is fixedly arranged at one end of the screw rod and abutted against the first laser range finder or the second laser range finder, and the nut is fixedly arranged at the other end of the screw rod to rotate the screw rod.
In a possible implementation, each group of the adjusting structures comprises four damping members.
In one possible implementation, the auxiliary plate is an aluminum plate.
In this implementation manner/application example, the cooperation mode of the measurement auxiliary device and the auxiliary plate is adopted, the distance between the first laser distance meter and the horizontally placed auxiliary plate is directly measured, or the distance between the second laser distance meter and the vertically placed auxiliary plate is directly measured, and the forward and backward turning angle of the handle base of the joystick relative to the initial position and the left and right turning angle of the joystick relative to the initial position can be indirectly calculated. Adopt the unable problem of installing of this kind of mode can effectual solution angle sensor, can improve the accuracy of angle displacement value moreover, the practicality is strong.
Drawings
FIG. 1 is a schematic structural diagram of a joystick angle testing method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a measurement auxiliary device of the joystick angle testing method according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating the measurement before and after the joystick in the joystick angle testing method according to an embodiment of the present invention;
FIG. 4 is a left and right joystick measurement representation of a joystick angle testing method according to an embodiment of the present invention;
FIG. 5 is a flowchart of a joystick angle test method according to an embodiment of the present invention;
description of reference numerals:
10. a measurement aid; 11. a base; 12. a mounting seat; 13. a damping member; 14. a knuckle bearing; 20. a first laser range finder; 30. a second laser range finder; 40. an auxiliary plate; 50. a joystick connection; 60. a joystick handle base.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, a method for testing the angle of the joystick according to the present invention will be described. The method for testing the angle of the operating lever sequentially comprises the following steps of:
s100: placing the auxiliary plates 40, and arranging two auxiliary plates 40 in a cockpit of the gyroplane, wherein one auxiliary plate 40 is horizontally arranged and the height of the auxiliary plate is flush with that of the horizontal rod; the other auxiliary plate 40 is disposed in the vertical direction and spaced apart from and parallel to the horizontal bar.
S200: mounting the measurement auxiliary equipment 10, shifting the operating rod to an initial position, and fixedly mounting the measurement auxiliary equipment 10 to the top end of the operating rod; the measurement assistance apparatus 10 has a first laser range finder 20 and a second laser range finder 30, and when the joystick is at the initial position, the first laser range finder 20 projects laser light in the vertical direction toward the horizontally placed auxiliary board 40, and the second laser range finder 30 projects laser light in the horizontal direction toward the vertically placed auxiliary board 40.
S300: the joystick is measured back and forth, the joystick is moved back and forth, respectively, and the measured value n of the first laser rangefinder 20 is recorded.
S400: the joystick measures left and right, the joystick is respectively pulled along left and right directions, and the measured value m of the second laser range finder 30 is recorded.
S500: calculating the angular displacement, and calculating the front-back overturning angle of the joystick handle base 60 relative to the initial position according to the known length of the joystick connecting part 50, the length of the joystick handle base 60, the spacing length of the joystick handle base 60 and the first laser range finder 20, the included angle of the joystick handle base 60 and the joystick connecting part 50 and the measured value n of the first laser range finder 20; the left-right turning angle of the joystick relative to the initial position is calculated by the sum of the known length of the auxiliary plate 40 from the joystick, the projection length of the joystick in the front-back direction, the projection length of the joystick extending to the horizontal plane where the second laser range finder 20 is located, and the measured value m of the second laser range finder 30.
Compared with the prior art, the joystick angle testing method provided by the embodiment directly measures the distance between the first laser range finder 20 and the horizontally placed auxiliary board 40 or directly measures the distance between the second laser range finder 30 and the vertically placed auxiliary board 40 by adopting the matching mode of the measurement auxiliary device 10 and the auxiliary board 40, and can indirectly calculate the front-back flip angle of the joystick handle base 60 relative to the initial position and the left-right flip angle of the joystick relative to the initial position. Adopt the unable problem of installing of this kind of mode can effectual solution angle sensor, can improve the accuracy of angle displacement value moreover, the practicality is strong.
It should be noted that the direction of the distance from the first laser range finder 20 to the joystick handle base 60 is perpendicular to the laser beam emitted from the first laser range finder 20.
In some embodiments, the measurement assisting apparatus 10 may have a structure as shown in fig. 1 to 2. Referring to fig. 1 to 2, the measurement assisting apparatus 10 includes a base 11, a mount 12, and an adjustment structure; the base 11 is fixedly arranged at the top end of the operating rod; the mounting seat 12 is fixedly arranged on the base 11, the mounting seat 12 is provided with a first mounting cavity for the first laser range finder 20 to be arranged in and a second mounting cavity for the second laser range finder 30 to be arranged in, the bottom of the mounting seat 12 is provided with a first opening communicated with the first mounting cavity, and one side of the mounting seat 12 along the horizontal direction is provided with a second opening communicated with the second mounting cavity; the adjusting structure is provided with two sets, and two sets of adjusting structures are respectively provided with the first mounting cavity and the second mounting cavity in a one-to-one correspondence manner and are used for correcting the corresponding first laser range finder 20 or the corresponding second laser range finder 30.
It should be noted that the base 11 can be fixed on the top end of the base 60 of the joystick handle through an anchor ear.
In some embodiments, the measurement aid 10 may be configured as shown in FIG. 2. Referring to fig. 2, joint bearings 14 are arranged in the first mounting cavity and the second mounting cavity, and outer rings of the joint bearings 14 are fixedly connected with the mounting base 12. One end of the first laser range finder 20 is located in the first mounting cavity and connected with the inner ring of the joint bearing 14, and the other end of the first laser range finder 20 extends out of the first mounting cavity; one end of the second laser distance measuring instrument 30 is located in the second mounting cavity and connected with the inner ring of the joint bearing 14, and the other end of the second laser distance measuring instrument 30 extends out of the second mounting cavity. The setting of joint bearing 14 can guarantee the rotation to first laser range finder 20 or second laser range finder 30, and then guarantees to adjust the structure and can adjust first laser range finder 20 or second laser range finder 30 and correct.
In some embodiments, the adjustment structure may be as shown in fig. 2. Referring to fig. 2, each set of adjustment structures includes a plurality of damping members 13, each damping member 13 is adjacent to the first opening or the second opening, and each damping member 13 is annularly spaced around the first laser range finder 20 or the second laser range finder 30; each damping member 13 includes a screw, a fixing ball, and a nut; the screw rod is connected with the 12 screw-thread fit of mount pad, and the fixed ball sets firmly in the one end of screw rod, and with first laser range finder 20 or the 30 butt of second laser range finder, and the nut sets firmly in the other end of screw rod to rotate the screw rod. The setting of damping piece 13 can guarantee to realize the rotation regulation to laser range finder through the rotation, and then guarantees the accuracy of laser range finder position when the control rod is located initial position to guarantee angle displacement measurement's accuracy.
In some embodiments, the adjustment structure may be as shown in fig. 2. Referring to fig. 2, each set of the adjusting structure includes four damping members 13, preferably, two damping members 13 are respectively disposed on two sides of the first mounting cavity or the second mounting cavity along the vertical direction, and the other two damping members 13 are respectively disposed on two sides of the second mounting cavity along the left-right direction.
In some embodiments, the auxiliary plate 40 may have a structure as shown in fig. 3 to 4. Referring to fig. 3 to 4, the auxiliary plate 40 is an aluminum plate, which has a light weight, is easy to install, and has a good effect of measuring distance in cooperation with laser.
For the measurement of the angular displacement of the joystick in the front-back direction, please refer to fig. 3. Setting the distance between the joystick handle base 60 and the first laser range finder 20 as L1, the length of the joystick handle base 60 as L2, the length of the joystick connecting part 50 as L3, the distance between the joystick rotating shaft and the laser point of the first laser range finder 20 on the auxiliary plate 40 as Y, the length of the joystick handle extending to the auxiliary plate 40 as X, the included angle between L1 and L2 as theta 1, the included angle between L2 and L3 as theta 2, and measuring the measured value n, and making the relevant auxiliary lines o, p and q.
And solving the included angle theta between X and Y by the cosine theorem.
Referring to fig. 4, for the measurement of the angular displacement of the joystick in the left-right direction, the sum of the projection length of the joystick in the front-back direction and the projection length of the joystick extending to the horizontal plane where the second laser range finder 20 is located in the front-back direction is set to be D1, the horizontal length of the joystick to the auxiliary plate 40 is set to be D2, the distance from the joystick to the light spot emitted by the second laser range finder 30 is set to be D3, and the measured value m is measured and used as the associated auxiliary lines b and c.
And solving an included angle theta between the D1 and the vertical direction through a cosine law.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The method for testing the angle of the operating lever is characterized by sequentially comprising the following steps of:
placing auxiliary plates, and arranging two auxiliary plates in a cockpit of the rotorcraft, wherein one auxiliary plate is horizontally arranged and the height of the auxiliary plate is flush with that of the horizontal rod; the other auxiliary plate is arranged along the vertical direction and is parallel to the horizontal rod at intervals;
mounting a measurement auxiliary device, shifting the operating lever to an initial position, and fixedly mounting the measurement auxiliary device to the top end of the operating lever; the measurement auxiliary equipment is provided with a first laser range finder and a second laser range finder, when the operating lever is located at the initial position, the first laser range finder projects laser to the horizontally placed auxiliary plate along the vertical direction, and the second laser range finder projects laser to the vertically placed auxiliary plate along the horizontal direction; the auxiliary measuring equipment comprises a base, a mounting seat and an adjusting structure; the base is fixedly arranged at the top end of the operating rod; the mounting seat is fixedly arranged on the base and provided with a first mounting cavity for the first laser range finder to be arranged and a second mounting cavity for the second laser range finder to be arranged, a first opening communicated with the first mounting cavity is formed in the bottom of the mounting seat, and a second opening communicated with the second mounting cavity is formed in one side of the mounting seat along the horizontal direction; the two groups of adjusting structures are respectively arranged in one-to-one correspondence with the first mounting cavity and the second mounting cavity and used for correcting the corresponding first laser range finder or the second laser range finder; joint bearings are arranged in the first mounting cavity and the second mounting cavity, and outer rings of the joint bearings are fixedly connected with the mounting seat; one end of the first laser range finder is positioned in the first mounting cavity and connected with the inner ring of the joint bearing, and the other end of the first laser range finder extends out of the first mounting cavity; one end of the second laser range finder is positioned in the second mounting cavity and connected with the inner ring of the joint bearing, and the other end of the second laser range finder extends out of the second mounting cavity; each group of the adjusting structures comprises a plurality of damping pieces, each damping piece is close to the first opening or the second opening, and each damping piece is arranged around the first laser range finder or the second laser range finder at annular intervals; each damping piece comprises a screw, a fixing ball and a nut; the screw is in threaded fit connection with the mounting seat, the fixing ball is fixedly arranged at one end of the screw and abutted against the first laser range finder or the second laser range finder, and the nut is fixedly arranged at the other end of the screw so as to rotate the screw;
measuring the front and the back of the operating rod, respectively shifting the operating rod along the front and the back directions, and recording a measured value n of the first laser range finder;
measuring left and right by using an operating lever, respectively poking the operating lever along the left and right directions, and recording the measured value m of the second laser range finder; and
calculating the angular displacement, and calculating the front-back overturning angle of the control lever handle base relative to the initial position by using the known control lever connecting part length, the control lever handle base length, the spacing length between the control lever handle base and the first laser range finder, the included angle between the control lever handle base and the control lever connecting part and the measured value n of the first laser range finder; and calculating the left-right turning angle of the operating rod relative to the initial position by using the known length of the auxiliary plate from the operating rod, the sum of the projection length of the operating rod in the front-back direction and the projection length of the operating rod in the front-back direction, which is extended to the horizontal plane where the second laser distance measuring instrument is positioned, and the measured value m of the second laser distance measuring instrument.
2. The joystick angle test method of claim 1, wherein each set of the adjustment structures includes four of the damping members.
3. The joystick angle test method of claim 2, wherein the auxiliary plate is an aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964476.1A CN115031665B (en) | 2022-08-12 | 2022-08-12 | Operating lever angle testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964476.1A CN115031665B (en) | 2022-08-12 | 2022-08-12 | Operating lever angle testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115031665A CN115031665A (en) | 2022-09-09 |
| CN115031665B true CN115031665B (en) | 2023-01-10 |
Family
ID=83130400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210964476.1A Active CN115031665B (en) | 2022-08-12 | 2022-08-12 | Operating lever angle testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115031665B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288549A (en) * | 1992-04-06 | 1993-11-02 | Kyokuto Sanki Co Ltd | Size measuring device for room |
| TWI265272B (en) * | 2005-05-25 | 2006-11-01 | Asia Optical Co Inc | Dip laser Doppler scale system and measurement method thereof |
| CN102825602A (en) * | 2012-08-21 | 2012-12-19 | 华北电力大学（保定） | PSD (Position Sensitive Detector)-based industrial robot self-calibration method and device |
| CN103196434A (en) * | 2012-01-04 | 2013-07-10 | 吉林省明普光学科技有限公司 | Device and method for positioning container in port |
| CN103252761A (en) * | 2013-04-28 | 2013-08-21 | 合肥工业大学 | Long-stroke two-dimensional nano worktable system with angle compensation function |
| TW201510471A (en) * | 2013-07-11 | 2015-03-16 | Meidensha Electric Mfg Co Ltd | Contact line measurement device |
| JP2017211363A (en) * | 2016-05-24 | 2017-11-30 | 株式会社エス・ビルド | Wall face measuring method and wall face measuring device |
| CN110220482A (en) * | 2019-06-21 | 2019-09-10 | 石家庄铁道大学 | The lateral measuring device and measuring method of the gun barrel angle of site |
| CN110455239A (en) * | 2019-08-12 | 2019-11-15 | 兰宇时 | A kind of base station height measurement method, device, electronic equipment and storage medium |
| CN111174718A (en) * | 2020-01-09 | 2020-05-19 | 徐工消防安全装备有限公司 | Deflection measuring device and method and scissor truck |
| CN111256622A (en) * | 2020-01-22 | 2020-06-09 | 同济大学 | Dual laser type robot joint angle measuring method and angle measuring device |
| CN210719485U (en) * | 2019-11-19 | 2020-06-09 | 湖北中烟工业有限责任公司 | Device for detecting equipment efficiency of wrapping machine set based on PLC |
| CN211263759U (en) * | 2019-10-31 | 2020-08-14 | 中建八局第二建设有限公司 | Auxiliary measuring rod based on laser range finder |
| CN112161580A (en) * | 2020-09-03 | 2021-01-01 | 中联重科股份有限公司 | Method and equipment for measuring span of supporting leg |
| CN114260941A (en) * | 2021-12-24 | 2022-04-01 | 上海大学 | Mechanical arm parameter calibration method based on laser displacement meter |
-
2022
- 2022-08-12 CN CN202210964476.1A patent/CN115031665B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288549A (en) * | 1992-04-06 | 1993-11-02 | Kyokuto Sanki Co Ltd | Size measuring device for room |
| TWI265272B (en) * | 2005-05-25 | 2006-11-01 | Asia Optical Co Inc | Dip laser Doppler scale system and measurement method thereof |
| CN103196434A (en) * | 2012-01-04 | 2013-07-10 | 吉林省明普光学科技有限公司 | Device and method for positioning container in port |
| CN102825602A (en) * | 2012-08-21 | 2012-12-19 | 华北电力大学（保定） | PSD (Position Sensitive Detector)-based industrial robot self-calibration method and device |
| CN103252761A (en) * | 2013-04-28 | 2013-08-21 | 合肥工业大学 | Long-stroke two-dimensional nano worktable system with angle compensation function |
| TW201510471A (en) * | 2013-07-11 | 2015-03-16 | Meidensha Electric Mfg Co Ltd | Contact line measurement device |
| JP2017211363A (en) * | 2016-05-24 | 2017-11-30 | 株式会社エス・ビルド | Wall face measuring method and wall face measuring device |
| CN110220482A (en) * | 2019-06-21 | 2019-09-10 | 石家庄铁道大学 | The lateral measuring device and measuring method of the gun barrel angle of site |
| CN110455239A (en) * | 2019-08-12 | 2019-11-15 | 兰宇时 | A kind of base station height measurement method, device, electronic equipment and storage medium |
| CN211263759U (en) * | 2019-10-31 | 2020-08-14 | 中建八局第二建设有限公司 | Auxiliary measuring rod based on laser range finder |
| CN210719485U (en) * | 2019-11-19 | 2020-06-09 | 湖北中烟工业有限责任公司 | Device for detecting equipment efficiency of wrapping machine set based on PLC |
| CN111174718A (en) * | 2020-01-09 | 2020-05-19 | 徐工消防安全装备有限公司 | Deflection measuring device and method and scissor truck |
| CN111256622A (en) * | 2020-01-22 | 2020-06-09 | 同济大学 | Dual laser type robot joint angle measuring method and angle measuring device |
| CN112161580A (en) * | 2020-09-03 | 2021-01-01 | 中联重科股份有限公司 | Method and equipment for measuring span of supporting leg |
| CN114260941A (en) * | 2021-12-24 | 2022-04-01 | 上海大学 | Mechanical arm parameter calibration method based on laser displacement meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115031665A (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107247839B (en) | Design method of low-speed wind tunnel virtual flight test airplane model | |
| CN102829721B (en) | Airplane detection platform and airplane detection method | |
| CN112224447B (en) | Device and method for measuring gravity center of unmanned aerial vehicle and matching thrust line | |
| CN104776754A (en) | Eight-supporting-point leveling method for rocket launching platform | |
| CN108454882A (en) | A kind of driving of rudder face and rudder face angle measuring mechanism | |
| CN207741892U (en) | Rocket assist formula unmanned aerial vehicle onboard equipment is installed and full machine center of gravity measurement testing stand | |
| CN102589804B (en) | Satellite attitude transformation device for testing quality characteristics of satellite | |
| CN107102645B (en) | Aircraft attitude adjusting device | |
| CN112362288A (en) | Automatic adjusting system for attack angle of wind tunnel test unmanned aerial vehicle | |
| CN115031665B (en) | Operating lever angle testing method | |
| CN114878197B (en) | Ground test method for verifying low-impact emission and reliability attachment of space | |
| CN115258164A (en) | Linear multi-rotor-wing plant protection unmanned aerial vehicle structure based on tilt rotor and control method | |
| CN116242307A (en) | Aircraft flight control part gesture measuring device based on vision | |
| CN109324627B (en) | Attitude control method in full-mechanical static test | |
| CN201615789U (en) | Probe fixing bracket | |
| CN111307396A (en) | Model supporting structure, device and system for wind tunnel virtual flight test | |
| CN208070050U (en) | A kind of driving of rudder face and rudder face angle measuring mechanism | |
| CN216233072U (en) | Positioning device for airplane rear flap slide rail | |
| CN103984339A (en) | Mechanical failure debugging device for rotor craft | |
| JPH08313388A (en) | Wind tunnel test device | |
| CN203870468U (en) | Mechanical failure debugging device used for rotorcraft | |
| CN112683306B (en) | Be used for unmanned aerial vehicle to inertial navigation position appearance precision adjustment installation device | |
| CN213515966U (en) | Portable mass and mass center measuring equipment | |
| CN213515967U (en) | Mass and mass center measuring device | |
| CN112268607A (en) | Mass and mass center measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |