CN210862720U - Aircraft course marking calibration system - Google Patents
Aircraft course marking calibration system Download PDFInfo
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- CN210862720U CN210862720U CN201921864173.2U CN201921864173U CN210862720U CN 210862720 U CN210862720 U CN 210862720U CN 201921864173 U CN201921864173 U CN 201921864173U CN 210862720 U CN210862720 U CN 210862720U
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Abstract
The utility model discloses an aircraft course marking calibration system for the calibration of observing equipment on the aircraft, including collimator calibration device and the visual laser calibrating device of light path, collimator calibration device includes collimator mounting bracket and collimator, collimator mounting bracket is the vertical direction and fixes in observing equipment below, and the bottom is equipped with the carousel, and the collimator sets up above the carousel, and the carousel bottom is provided with the illuminator, collimator and illuminator coaxial arrangement in vertical direction; the optical path visible laser calibration device comprises a laser demarcation device and an optical path guiding device, wherein the laser demarcation device is placed below an airplane body when in working, and the optical path guiding device is used for performing visible guiding on the course according to the indication of the laser demarcation device. Compared with the prior art, the utility model discloses simple structure easily carries, and convenient operation can reduce objective and human factor interference, will increase substantially calibration accuracy and reduce calibration time.
Description
Technical Field
The utility model relates to an aircraft course calibration technical field, concretely relates to aircraft course marking calbiration system.
Background
In the maintenance and use of a certain type of machine, according to the requirements of maintenance regulations, the performance indexes of on-machine observation equipment (hereinafter referred to as equipment) are required to be checked in detail by a crew member to ensure that established operation can be completed smoothly, and the 'accuracy check on a course marking machine' is one of regular work. The essence of the method is to calibrate the installation position of the equipment, and the onboard calibration of the course marking becomes an important content in the engineering work because the course marking is the direction reference observed by the equipment. The existing calibration method on the course striping machine is a straight rope method, the method adopts a manual method to pull out an airplane crankshaft projection line on the ground as a calibration base line of the course striping machine, the length of the base line is about 25 meters, and the following problems mainly exist due to more human factors in the operation process:
a) the plumb projection point is not accurately searched, so that an included angle exists between the plane longitudinal axis projection and the plane longitudinal axis;
b) the long straight rope is not pulled straight, so that the projection of the longitudinal axis of the airplane cannot truly reflect the longitudinal axis of the airplane;
c) the thin rope influences straightening, and the thick rope influences calibration;
d) the collimator calibration device is absent, the zero position and the bias flow zero position of the optical system cannot be calibrated, the calibration work is time-consuming and labor-consuming and poor in effect due to the fact that the operation is not standard, the collimation degree of the straight rope cannot be guaranteed and other objective factors, and the collimator calibration device cannot be equipped in place, so that the accuracy of the initial state cannot be guaranteed, and normal training and maintenance work is seriously affected. These problems all contribute to the accurate calibration of the course marking, and the user reacts many times: the work operation is complicated, the randomness is high, the calibration precision of the course marking cannot be guaranteed, and the calibration method needs to be improved.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned defect, the utility model aims at providing an aircraft course marking calbiration system can not only avoid the interference of external factors such as people, environment, carries out course marking verification precision height, ensures the precision of organism course marking, accomplishes optical system's calibration back on the machine in addition, avoids the influence that optical system's deviation itself caused the calibration result.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an aircraft course marking calibration system is used for calibrating observation equipment on an aircraft and comprises a collimator tube calibration device and a light path visible laser calibration device, wherein the collimator tube calibration device comprises a collimator tube mounting frame and a collimator tube, the collimator tube mounting frame is fixed below the observation equipment in the vertical direction, a turntable is arranged at the bottom of the collimator tube mounting frame, the collimator tube is arranged above the turntable, an illuminator is arranged at the bottom of the turntable, and the collimator tube and the illuminator are coaxially arranged in the vertical direction;
the optical path visible laser calibration device comprises a laser line projector and optical path guiding equipment, wherein the laser line projector is placed below an airplane body during working and comprises a laser light source, a prism light guide system, a rotary chassis and an automatic leveling device, the laser light source emits horizontal and vertical laser beams through the prism light guide system, the rotary chassis is adjusted to enable the projection position of the laser beams to coincide with the direction of a connecting line of heading positioning points at the bottom of an airplane belly, and the laser beams are parallel to or perpendicular to the horizontal plane at any time through the automatic leveling device during adjustment; the light path guiding equipment is arranged in front of the elliptical glass of the machine head and used for performing visual guiding on the course marking according to the indication of the laser demarcation device.
Furthermore, a plurality of fastening bolts are arranged on the collimator mounting bracket, and the mounting surface of the collimator mounting bracket is fixed below the observation equipment by inclining 15 degrees through the fastening bolts.
The novel LED parallel light tube is characterized in that a support plate is arranged at the bottom of the parallel light tube, three support legs are arranged at the bottom of the support plate, each support leg is fixedly clamped through a spring piece, the parallel light tube is arranged above the rotary table through the support legs, the support legs are driven to rotate through the rotary table, and the cross line direction of the parallel light tube is adjusted.
The support plate is provided with three bubbles, the three support legs are adjusted to enable the bubbles to be centered, and the optical axis of the collimator is in a plumb state.
The laser light source emitter adopts a blue light emitting source with a strong light spot and adjustable thickness of 1.5-3 mm.
The light path guiding device comprises a light reflecting belt, a ratchet tightener and a binding belt, wherein one end of the light reflecting belt is connected with the ratchet tightener, the other end of the light reflecting belt is connected with the binding belt, and the light reflecting belt is fixed in front of the elliptical glass of the machine head through the binding belt.
When the utility model is used, the mounting surface of the collimator mounting rack is inclined by 15 degrees and fixed below the observation equipment through the fastening bolt, the support legs are driven to rotate through the turntable to adjust the direction of the cross line of the collimator, in the rotating process, when the three support legs are adjusted to center the bubble, the optical axis of the collimator is in a vertical state, the illuminator is used as a collimator light source, the adopted power supply voltage is DC 12V, and when the external brightness is good in daytime, the illuminator can be illuminated by natural light after being screwed off;
the calibration process is to observe whether the crosshairs of the equipment and the collimator coincide, to ensure that the equipment is in a correct reference position when observing the heading reticle, and the transverse offset of the calibration equipment to the longitudinal reticle is within 15'.
The laser light source in the laser demarcation device emits horizontal and vertical projection lines through a prism light guide system, a rotating chassis is rotated, laser is projected in any direction and any position of a three-dimensional space, the projection position of a laser beam is compared with the position of a navigation mark line of a machine body, a heading mark line of the machine body is embodied in a mode of a connecting line of heading positioning points under a belly, the projection position of the laser beam is enabled to coincide with the connecting line direction of the heading positioning points under the belly through adjustment, the projection lines can be used for heading marking, and in the adjustment process, an automatic leveling device enables the laser beam to be parallel or perpendicular to a horizontal plane at any time; the light path guiding equipment is arranged in front of the elliptical glass of the machine head and used for performing visual guiding on the course marking according to the indication of the laser demarcation device.
The light path visible laser calibration device utilizes the characteristics of automatic leveling and high-precision direction indication of the laser demarcation device, and by means of the characteristics of laser visual indication and straightness, after the laser line of the laser demarcation device is adjusted to coincide with the lower course point connecting line of the belly, under the basis of self-weight leveling of the laser demarcation device, the laser light path positioning and guiding direction is the navigation mark line indicating and positioning of the machine body at the moment, so that the calibration error caused by human factors in the current use method is eliminated.
In the existing calibration work, the difficult operation of the 'collimation rope' is the main reason causing the error of the calibration work, when the rope exceeds the observation range below the machine body, the position uncontrollable factor appears at a long distance, the rope is straightened by only manpower to realize the target positioning, the light path guiding equipment is used for the situation that laser cannot be observed or other laser cannot be used for indicating due to direct irradiation of outdoor strong light, the visual guidance is carried out on the course according to the indication of a laser line projector, the light path guiding equipment is arranged in front of the elliptical glass by utilizing the straightness of light, the laser light path is changed forwards to be upwards, the function of the visual direction of the navigation mark line required by the machine body calibration is met in a short distance on the premise of not changing the laser course, the laser is always visible in the calibration process, namely, the positioning function of the reference direction of the navigation mark line is completed, the design of the equipment is based on light and easy operation, the foldable suspension device is foldable and suspensible, convenient to use and easy to fix, and does not need to be equipped with specific technicians in use.
The utility model has the advantages that: the method adopts the laser demarcation device to indicate, and the light path guide equipment carries out course visual guide, and observation is mainly carried out by equipment measurement in the calibration process, so that the influence of artificial subjective factors is reduced, and high-precision course guide work is finished;
the laser line projector adopts a high-precision laser LD light source, forms a laser surface to project horizontal and vertical laser lines through a prism light guide system, adopts a built-in mechanical pendulum bob automatic leveling function to ensure the accuracy of light path indication direction, adopts a blue color light source emitter with high visibility, has a strong light spot, can adjust the line diameter in the range of 1.5-3 mm to perform positioning and aiming, and ensures the accuracy of positioning indication;
the light path guides equipment to move remote invisible laser to a visible distance through manual operation, the light straight-ahead performance is utilized, the advance of light is blocked in front of the elliptical glass, the trend of the light is changed from the forward direction to the vertical direction, but the direction is kept consistent, the accuracy of the aircraft navigation line is guaranteed, the adjustment and calibration work is completed, and the operation is simple and reliable.
Compared with the prior art, the utility model discloses simple structure easily carries, and convenient operation, will alleviate this calibration work by a wide margin and can reduce objective and human factor interference.
Drawings
The structure and features of the present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic view of the working state of the present invention.
FIG. 2 is a schematic structural diagram of the collimator calibration device of the present invention.
Fig. 3 is a schematic view of the laser demarcation device of the present invention.
In the attached drawings 1-3, 1 is a machine body, 2 is a binding belt, 3 is a reflective belt, 4 is a ratchet tightener, 5 is a laser projector, 6 is a laser projection line, 7 is a collimator mounting frame, 8 is a fastening bolt, 9 is a collimator, 10 is an illuminator, 11 is an observation device, and 12 is a course positioning point.
Detailed Description
The utility model discloses an embodiment of the utility model with reference to the accompanying drawings 1-3, which discloses an aircraft course marking calibration system, used for the calibration of the observation equipment 11 on the aircraft, comprising a collimator calibration device and a light path visible laser calibration device, wherein the collimator calibration device comprises a collimator mounting rack 7 and a collimator 9, the collimator mounting rack 7 is fixed below the observation equipment 11 in the vertical direction, the bottom is provided with a turntable, the collimator is arranged above the turntable, the bottom of the turntable is provided with an illuminator 10, and the collimator and the illuminator are coaxially arranged in the vertical direction; when the device is used, the mounting surface of the collimator mounting frame 7 is fixed below the observation device 11 in an inclined manner by 15 degrees through the fastening bolt, the support legs are driven to rotate through the turntable to adjust the direction of the cross line of the collimator 9, in the rotating process, when the three support legs are adjusted to center the bubble, the optical axis of the collimator 9 is in a vertical state, the illuminator 10 is used as a collimator light source, the adopted power supply voltage is direct current 12V, and when the external brightness is good in daytime, the illuminator can be used for illuminating by natural light after being screwed off;
the light path visible laser calibration device comprises a laser demarcation device 5 and light path guiding equipment, wherein the laser demarcation device 5 is placed below the airplane body 1 during working and comprises a laser light source, a prism light guide system, a rotating chassis and an automatic leveling device, the laser light source emits horizontal and vertical laser beams through the prism light guide system, the rotating chassis is adjusted to enable the projection position of the laser beams to coincide with the direction of a connecting line of course positioning points at the bottom of the belly, and the laser beams are parallel to or perpendicular to the horizontal plane at any time through the automatic leveling device during adjustment; the light path guiding equipment is arranged in front of the elliptical glass of the machine head and used for performing visual guiding on the course marking according to the indication of the laser demarcation device 5.
Furthermore, a plurality of fastening bolts are arranged on the collimator mounting bracket 7, and the mounting surface of the collimator mounting bracket 7 is fixed below the observation equipment 11 by inclining 15 degrees through the fastening bolts 8.
The bottom of the collimator 9 is provided with a support plate, the bottom of the support plate is provided with three support legs, each support leg is fixedly clamped through a spring piece, the collimator is arranged above the turntable through the support legs, the turntable drives the support legs to rotate, and the cross line direction of the collimator 9 is adjusted.
The support plate is provided with three bubbles, the three support legs are adjusted to enable the bubbles to be centered, and the optical axis of the collimator is in a plumb state.
The laser light source emitter adopts a blue light emitting source with a strong light spot and adjustable thickness of 1.5-3 mm.
The light path guiding device comprises a light reflecting belt 3, a ratchet tightener 4 and a binding belt 2, wherein one end of the light reflecting belt 3 is connected with the ratchet tightener 4, the other end of the light reflecting belt is connected with the binding belt 2, and the light reflecting belt 3 is fixed in front of the elliptical glass of the machine head through the binding belt 2.
The utility model discloses whether the cross line of observing equipment and collimator coincides at above-mentioned calibration process, guarantee to equip and be in a correct reference position when surveing the course marking to the horizontal offset of vertical marking is equipped in within 15' in the calibration.
The light path visible laser calibration device utilizes the characteristics of automatic leveling and high-precision direction indication of the laser demarcation device, and by means of the characteristics of laser visual indication, light straightness and the like, the laser projection line 6 of the laser demarcation device is adjusted to be overlapped with the direction of the connecting line of the lower course positioning point 12 of the belly, and the laser light path positioning and guiding direction is the navigation mark line indicating and positioning of the machine body at the moment on the basis of self-weight leveling of the laser demarcation device, so that the calibration error caused by human factors in the current use method is eliminated.
In the existing calibration work, the difficult operation of the 'collimation rope' is the main reason causing the error of the calibration work, when the rope exceeds the observation range below the machine body, the position uncontrollable factor appears in a long distance, the rope is straightened by only manpower to realize the target positioning, the light path guiding equipment is used for the situation that laser cannot be observed or other laser cannot be used for indicating due to outdoor strong light direct irradiation, the visual guidance is carried out on the course according to the indication of a laser line projector, the light path guiding equipment is arranged in front of the elliptical glass by utilizing the straightness of light, the laser light path is blocked, the light beam is changed from the forward direction to the upward direction, the function of the visible direction of the navigation mark required by the machine body calibration is met in a short distance on the premise of not changing the laser course, the laser is always visible in the calibration process, namely, the positioning function of the reference direction of the navigation mark is completed, the design of equipment is based on lightly easily operating, and collapsible suspensible convenient to use easily fixes, uses and need not to be equipped with specific technical staff.
The working state diagram of the laser line projector is shown in fig. 3, in the diagram, V1 or V2 represents laser projection lines pointing to two heading positioning points 12, V3 or V4 represents laser projection lines pointing to a reflective belt, and V1 and V3 laser lines are on a plane perpendicular to a horizontal plane, and finally V1 coincides with a connecting line of the two heading positioning points 12 by adjusting the position of the laser beam of the laser line projector, and the light on the reflective belt seen through V3 is regarded as a visual guide to V1, so that the light linearity is utilized, the laser path is blocked by the reflective belt in front of the elliptical glass, the forward direction is changed to the upward direction, the laser projection lines are always visible, and the heading marking lines are conveniently calibrated by the observation equipment.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides an aircraft course marking alignment system for the calibration of observation equipment on the aircraft which characterized in that: the device comprises a collimator tube calibrating device and a light path visible laser calibrating device, wherein the collimator tube calibrating device comprises a collimator tube mounting rack and a collimator tube, the collimator tube mounting rack is fixed below an observation device in the vertical direction, a turntable is arranged at the bottom of the collimator tube mounting rack, the collimator tube is arranged above the turntable, an illuminator is arranged at the bottom of the turntable, and the collimator tube and the illuminator are coaxially arranged in the vertical direction;
the optical path visible laser calibration device comprises a laser line projector and optical path guiding equipment, wherein the laser line projector is placed below an airplane body during working and comprises a laser light source, a prism light guide system, a rotary chassis and an automatic leveling device, the laser light source emits horizontal and vertical laser beams through the prism light guide system, the rotary chassis is adjusted to enable the projection position of the laser beams to coincide with the direction of a connecting line of heading positioning points at the bottom of an airplane belly, and the laser beams are parallel to or perpendicular to the horizontal plane at any time through the automatic leveling device during adjustment; the light path guiding equipment is arranged in front of the elliptical glass of the machine head and used for performing visual guiding on the course marking according to the indication of the laser demarcation device.
2. The aircraft heading reticle calibration system of claim 1, wherein: the collimator mounting bracket is provided with a plurality of fastening bolts, and the mounting surface of the collimator mounting bracket is fixed below the observation equipment by inclining 15 degrees through the fastening bolts.
3. The aircraft heading reticle calibration system of claim 1, wherein: the novel LED parallel light tube is characterized in that a support plate is arranged at the bottom of the parallel light tube, three support legs are arranged at the bottom of the support plate, each support leg is fixedly clamped through a spring piece, the parallel light tube is arranged above the rotary table through the support legs, the support legs are driven to rotate through the rotary table, and the cross line direction of the parallel light tube is adjusted.
4. The aircraft heading reticle calibration system of claim 3, wherein: the support plate is provided with three bubbles, the three support legs are adjusted to enable the bubbles to be centered, and the optical axis of the collimator is in a plumb state.
5. The aircraft heading reticle calibration system of claim 1, wherein: and a mechanical pendulum automatic leveling device is arranged in the laser demarcation device.
6. The aircraft heading reticle calibration system of claim 1, wherein: the laser light source emitter adopts a blue light emitting source with a strong light spot and adjustable thickness of 1.5-3 mm.
7. The aircraft heading reticle calibration system of claim 1, wherein: the light path guiding device comprises a light reflecting belt, a ratchet tightener and a binding belt, wherein one end of the light reflecting belt is connected with the ratchet tightener, the other end of the light reflecting belt is connected with the binding belt, and the light reflecting belt is fixed in front of the elliptical glass of the machine head through the binding belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864173.2U CN210862720U (en) | 2019-11-01 | 2019-11-01 | Aircraft course marking calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864173.2U CN210862720U (en) | 2019-11-01 | 2019-11-01 | Aircraft course marking calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210862720U true CN210862720U (en) | 2020-06-26 |
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ID=71290880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864173.2U Expired - Fee Related CN210862720U (en) | 2019-11-01 | 2019-11-01 | Aircraft course marking calibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210862720U (en) |
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2019
- 2019-11-01 CN CN201921864173.2U patent/CN210862720U/en not_active Expired - Fee Related
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Granted publication date: 20200626 |