CN113984351A - Target correcting device with three-dimensional adjusting mechanism - Google Patents
Target correcting device with three-dimensional adjusting mechanism Download PDFInfo
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- CN113984351A CN113984351A CN202111395607.0A CN202111395607A CN113984351A CN 113984351 A CN113984351 A CN 113984351A CN 202111395607 A CN202111395607 A CN 202111395607A CN 113984351 A CN113984351 A CN 113984351A
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- worm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
Abstract
The invention belongs to the technical field of optical test of head-up displays, and particularly relates to a target calibration device with a three-dimensional adjusting mechanism, which comprises: the interface, the three-dimensional adjusting mechanism and the telescope are installed, and the on-machine testing and calibrating functions of the optical axis of the head-up display can be realized. The invention has high structural reliability, good man-machine effect and simple and convenient operation, greatly improves the calibration efficiency of the head-up display, and is a target calibration device on the head-up display with important application value.
Description
Technical Field
The invention belongs to the technical field of optical testing of head-up displays, and particularly relates to a target calibrating device with a three-dimensional adjusting mechanism.
Background
At present, few devices are applied to optical axis calibration of a head-up display, the problems of large size, heavy weight, poor human power efficiency and the like of the devices are more obvious, and the aircraft target calibration difficulty is higher. The patent application with the application number of CN201310127800.5 invents a free attitude boresight system of a helicopter landing, the patent application with the application number of CN201310629007.5 invents an automatic boresight method for a hanging type head-up display, the patent application with the application number of ZL201610656367.8 invents a device and a method for transferring attitude angles of a longitudinal axis of an airplane in inertia boresight, and the patent application with the application number of ZL201911368646.4 invents a target plate device, a boresight system and a HUD boresight method, so that the functions of testing and calibrating the optical axis of the plane frame flat or non-frame flat head-up display are realized, and the following problems still exist after analysis:
1. the accuracy of the aircraft attitude data read by equipment such as an inclinometer and an inertial navigation system is to be checked or is difficult to meet the target correction accuracy requirement of an aircraft head-up display;
2. the equipment volume is great, and it is comparatively complicated to use, especially wastes time and energy when the external field is used, and the man-machine efficiency is poor.
Disclosure of Invention
In view of this, the present invention provides a target calibration device with a three-dimensional adjustment mechanism, which can achieve on-board testing and calibration functions of an optical axis of a head-up display. The invention has high structural reliability, good man-machine effect and simple and convenient operation, greatly improves the calibration efficiency of the head-up display, and is a target calibration device on the head-up display with important application value.
In order to achieve the technical purpose, the invention adopts the following specific technical scheme:
a boresight device having a three-dimensional adjustment mechanism for optical axis alignment of an aircraft head-up display, comprising:
a mounting interface having at least one mounting point disposed at one end thereof in accordance with a mounting bracket of the head-up display;
the three-dimensional adjusting mechanism is arranged at the other end of the mounting interface and is provided with a pitching adjusting part, a rolling adjusting part and an orientation adjusting part;
the telescope is arranged on the roll adjusting part, and the main shaft of the telescope is provided with a reticle scale;
wherein: the transverse rolling adjusting part is used for rotating the telescope by adopting a worm gear and a worm with the main shaft as a center; the pitching adjusting part is used for rotating the telescope and the rolling adjusting part by taking a pitching rotating shaft which is vertical to the main shaft as a center through a worm gear and a worm; the direction adjusting part is fixed on the mounting interface and used for rotating the telescope, the roll adjusting part and the pitch adjusting part by taking a direction rotating shaft which is perpendicular to the main shaft and the pitch rotating shaft as a center.
Further, the roll adjusting part comprises a first shell, a first worm wheel, a first worm and a first locking screw; a first through hole is formed in the first shell, and a first threaded hole is formed in the circumferential direction of the first through hole; the first worm wheel is rotatably arranged on the first shell, the telescope is fixed on the first worm wheel, and the central axis of the first worm wheel is coincided with the main shaft; the first worm is rotatably arranged on the first shell, is meshed with the first worm wheel, and has one end penetrating through and extending out of the first through hole; at least a portion of the threaded portion of the first locking screw is disposed within the first threaded bore.
Further, the pitch adjustment part comprises a second shell, a second worm wheel, a second worm and a second locking screw; a second through hole is formed in the second shell, and a second threaded hole is formed in the circumferential direction of the second through hole; the second worm wheel is rotatably arranged on the second shell, the first shell is fixed on the second worm wheel, and the central shaft of the second worm wheel is vertical to the main shaft; the second worm is rotatably arranged on the second shell and meshed with the second worm wheel, and one end of the second worm penetrates through and extends out of the second through hole; at least a portion of the threaded portion of the second locking screw is disposed within the second threaded bore.
Further, the orientation adjusting part comprises a third shell, a third worm wheel, a third worm and a third locking screw; a third through hole is formed in the third shell, and a third threaded hole is formed in the circumferential direction of the third through hole; the third worm wheel is rotatably arranged on the third shell, the second shell is fixed on the third worm wheel, and the central axis of the third worm wheel is perpendicular to the central axis of the main shaft and the central axis of the second worm wheel; the third worm is rotatably arranged on the third shell, is meshed with the third worm wheel, and has one end penetrating through and extending out of the third through hole; at least a portion of the threaded portion of the third locking screw is disposed within the third threaded bore.
By adopting the technical scheme, the invention can bring the following beneficial effects:
when the plane is in a flat state or a non-flat state, the calibration target plate is placed, the pitching, azimuth and rolling adjusting buttons of the three-dimensional adjusting mechanism are adjusted to enable the center of the telescope position division plate to be aligned with the center of the target plate, the head-up display is opened, the center cross line of the head-up display is overlapped with the center of the telescope division plate by adjusting the mounting support of the head-up display, and the on-plane testing and calibration functions of the optical axis of the head-up display are achieved.
The invention has high structural reliability, good man-machine effect and simple and convenient operation, greatly improves the calibration efficiency of the head-up display, and is a target calibration device on the head-up display with important application value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall structure of a target calibration device with a three-dimensional adjusting mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall structure of a target calibration device with a three-dimensional adjusting mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a roll adjusting part according to an embodiment of the present invention;
wherein: 1. installing an interface; 11. mounting points; 12. an interface body; 2. a three-dimensional adjustment mechanism; 21. an orientation adjusting section; 22. a pitch adjustment unit; 23. a roll adjustment section; 221. a first housing; 222. a worm gear with an output shaft; 223. a first worm; 224. a first locking screw; 3. a telescope.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
In one embodiment of the present invention, a boresight device with a three-dimensional adjustment mechanism 2 is proposed for optical axis alignment of an aircraft head-up display, comprising:
a mounting interface 1, one end of which is provided with at least one mounting point 11 according to a mounting bracket of the head-up display;
a three-dimensional adjusting mechanism 2 which is installed at the other end of the installation interface 1 and is provided with a pitching adjusting part 22, a rolling adjusting part 23 and an orientation adjusting part 21;
the telescope is arranged on the roll adjusting part 23, and the main shaft of the telescope is provided with a reticle scale;
wherein: the roll adjusting part 23 is used for rotating the telescope by adopting a worm gear and a worm with the main shaft as the center; the pitch adjusting part 22 is used for rotating the telescope and the roll adjusting part 23 by taking a pitch rotating shaft which is vertical to the main shaft as a center through a worm gear; the azimuth adjusting part 21 is fixed on the mounting interface 1, and is used for rotating the telescope, the roll adjusting part 23 and the pitch adjusting part 22 by taking an azimuth rotating shaft which is perpendicular to the main shaft and the pitch rotating shaft at the same time as a center by adopting a worm gear.
In the present embodiment, the roll adjusting portion 23 includes a first housing 221, a first worm wheel (a worm wheel with an output shaft 222), a first worm 223, and a first lock screw 224; a first through hole is formed in the first shell 221, and a first threaded hole is formed in the circumferential direction of the first through hole; the first worm gear is rotatably arranged on the first shell 221, the telescope is fixed on the first worm gear, and the central axis of the first worm gear is superposed with the main shaft; the first worm 223 is rotatably mounted on the first housing 221, engaged with the first worm wheel, and has one end penetrating through and protruding out of the first through hole; at least a portion of the threaded portion of the first locking screw 224 is disposed within the first threaded bore.
In the present embodiment, the pitch adjustment portion 22 includes a second housing, a second worm wheel, a second worm, and a second locking screw; a second through hole is formed in the second shell, and a second threaded hole is formed in the circumferential direction of the second through hole; the second worm wheel is rotatably arranged on the second shell, the first shell 221 is fixed on the second worm wheel, and the central shaft of the second worm wheel is vertical to the main shaft; the second worm is rotatably arranged on the second shell and meshed with the second worm wheel, and one end of the second worm penetrates through and extends out of the second through hole; at least a portion of the threaded portion of the second locking screw is disposed within the second threaded bore.
In the present embodiment, the orientation adjusting portion 21 includes a third housing, a third worm wheel, a third worm, and a third locking screw; a third through hole is formed in the third shell, and a third threaded hole is formed in the circumferential direction of the third through hole; the third worm wheel is rotatably arranged on a third shell, the second shell is fixed on the third worm wheel, and the central shaft of the third worm wheel is vertical to the main shaft and the central shaft of the second worm wheel; the third worm is rotatably arranged on the third shell and meshed with the third worm wheel, and one end of the third worm penetrates through and extends out of the third through hole; at least a portion of the threaded portion of the third locking screw 22412 is disposed within the third threaded bore.
The mounting interface of the embodiment provides a mounting carrier for a three-dimensional adjusting mechanism and the like.
The three-dimensional adjusting mechanism 2 mainly comprises an azimuth adjusting part 21, a pitching adjusting part 22, a rolling adjusting part 23 and the like, and the telescope is arranged in the rolling adjusting part 23 to realize the functions of azimuth, pitching and rolling adjustment of the telescope.
The telescope can clearly view the scales of the differentiation board and an observation object by using the focusing hand wheel;
when the plane is in a flat state or a non-flat state, the calibration target plate is placed, the three-dimensional adjusting mechanism 2 adjusts the position of the telescope to enable the center of the differentiation plate to be aligned with the center of the target plate, the head-up display is opened, the center cross line of the head-up display is overlapped with the center of the differentiation plate of the telescope by adjusting the mounting support of the head-up display, and the on-plane testing and calibration functions of the optical axis of the head-up display are achieved. As shown in figures 1, 2 and 3. The mounting interface 1 mainly comprises a mounting point 11 and an interface main body 12 which are fixed with each other, and provides a mounting carrier for the three-dimensional adjusting mechanism 2 and the like; the three-dimensional adjusting mechanism 2 mainly comprises an azimuth adjusting part 21, a pitching adjusting part 22, a rolling adjusting part 23 and the like, wherein the three adjusting mechanisms all adopt worm and gear transmission mechanisms, and taking the pitching adjusting part 22 as an example, the pitching adjusting part 22 comprises a shell 221, a worm wheel 222 with an output shaft, a worm 223 and a locking screw 224; the telescope 3 is arranged in the roll adjusting part 23, and the functions of azimuth, pitching and roll adjusting of the telescope 3 are realized through three adjusting mechanisms; the telescope 3 can clearly view the scales of the differentiation board and the observation object by using the focusing hand wheel. When the plane is in a flat state or a non-flat state, a calibration target plate is placed, the three-dimensional adjusting mechanism 2 adjusts the position of the telescope 3 to enable the center of the differentiation plate of the telescope to be aligned with the center of the target plate, the head-up display is opened, the center cross line of the head-up display is overlapped with the center of the differentiation plate of the telescope 3 by adjusting the head-up display mounting support, and the on-plane testing and calibration functions of the optical axis of the head-up display are achieved.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A boresight device having a three-dimensional adjustment mechanism for optical axis alignment of an aircraft head-up display, comprising:
a mounting interface having at least one mounting point disposed at one end thereof in accordance with a mounting bracket of the head-up display;
the three-dimensional adjusting mechanism is arranged at the other end of the mounting interface and is provided with a pitching adjusting part, a rolling adjusting part and an orientation adjusting part;
the telescope is arranged on the roll adjusting part, and the main shaft of the telescope is provided with a reticle scale;
wherein: the transverse rolling adjusting part is used for rotating the telescope by adopting a worm gear and a worm with the main shaft as a center; the pitching adjusting part is used for rotating the telescope and the rolling adjusting part by taking a pitching rotating shaft which is vertical to the main shaft as a center through a worm gear and a worm; the direction adjusting part is fixed on the mounting interface and used for rotating the telescope, the roll adjusting part and the pitch adjusting part by taking a direction rotating shaft which is perpendicular to the main shaft and the pitch rotating shaft as a center.
2. The boresight device with the three-dimensional adjusting mechanism according to claim 1, wherein the roll adjusting portion includes a first housing, a first worm wheel, a first worm, and a first lock screw; a first through hole is formed in the first shell, and a first threaded hole is formed in the circumferential direction of the first through hole; the first worm wheel is rotatably arranged on the first shell, the telescope is fixed on the first worm wheel, and the central axis of the first worm wheel is coincided with the main shaft; the first worm is rotatably arranged on the first shell, is meshed with the first worm wheel, and has one end penetrating through and extending out of the first through hole; at least a portion of the threaded portion of the first locking screw is disposed within the first threaded bore.
3. The boresight device with the three-dimensional adjustment mechanism according to claim 2, wherein the pitch adjustment portion includes a second housing, a second worm wheel, a second worm, and a second locking screw; a second through hole is formed in the second shell, and a second threaded hole is formed in the circumferential direction of the second through hole; the second worm wheel is rotatably arranged on the second shell, the first shell is fixed on the second worm wheel, and the central shaft of the second worm wheel is vertical to the main shaft; the second worm is rotatably arranged on the second shell and meshed with the second worm wheel, and one end of the second worm penetrates through and extends out of the second through hole; at least a portion of the threaded portion of the second locking screw is disposed within the second threaded bore.
4. The boresight device with the three-dimensional adjustment mechanism according to claim 3, wherein the orientation adjustment portion includes a third housing, a third worm wheel, a third worm, and a third locking screw; a third through hole is formed in the third shell, and a third threaded hole is formed in the circumferential direction of the third through hole; the third worm wheel is rotatably arranged on the third shell, the second shell is fixed on the third worm wheel, and the central axis of the third worm wheel is perpendicular to the central axis of the main shaft and the central axis of the second worm wheel; the third worm is rotatably arranged on the third shell, is meshed with the third worm wheel, and has one end penetrating through and extending out of the third through hole; at least a portion of the threaded portion of the third locking screw is disposed within the third threaded bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395607.0A CN113984351A (en) | 2021-11-23 | 2021-11-23 | Target correcting device with three-dimensional adjusting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111395607.0A CN113984351A (en) | 2021-11-23 | 2021-11-23 | Target correcting device with three-dimensional adjusting mechanism |
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| CN113984351A true CN113984351A (en) | 2022-01-28 |
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| CN202111395607.0A Pending CN113984351A (en) | 2021-11-23 | 2021-11-23 | Target correcting device with three-dimensional adjusting mechanism |
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Cited By (1)
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| CN114577449A (en) * | 2022-05-05 | 2022-06-03 | 山东首景辉光电科技有限公司 | Quick adjusting device of aircraft photoelectric equipment |
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