Repeated dismounting and calibration-free mounting device and method for photoelectric equipment

Abstract

The invention provides a calibration-free installation device and method for repeated disassembly and assembly of photoelectric equipment. The calibration-free installation device comprises a vehicle body, a rotating tower and the photoelectric equipment. The vehicle body comprises a base and a vehicle body azimuth reference; the turret comprises a turret body, a left positioning pin, a right positioning pin and a turret azimuth reference, and a photoelectric equipment mounting surface is arranged on the turret body; the photoelectric equipment comprises a base, a rotary table and a photoelectric azimuth reference, the base is provided with a photoelectric equipment mounting surface, and the mounting surface is provided with a left positioning pin hole and a right positioning pin hole. A theodolite is used for respectively aiming at prisms on a vehicle body azimuth reference, a turret azimuth reference and a photoelectric equipment azimuth reference and mutually aiming, so that the fixed deviation between the references can be quickly obtained. The left positioning pin hole and the right positioning pin hole are respectively matched with the left positioning pin and the right positioning pin, and the matching tolerance of the positioning pin holes and the distance between the left positioning pin and the right positioning pin are reasonably set, so that the random installation error of the photoelectric equipment is within an acceptable range, and recalibration is not needed after repeated disassembly and assembly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of aircraft launching devices, and particularly relates to a photoelectric device repeated disassembly and assembly calibration-free mounting device and method. BACKGROUND

[0002] Modern high-integration aircraft launching vehicles usually integrate radar, photoelectric and other detection guidance devices. In order to ensure the installation accuracy of the devices, the devices are generally installed through screw installation and then positioning pin arrangement to ensure the accurate fixing of the device installation position. After installation, the installation system error of the device is calibrated and corrected through a staff, an ocular lens, a theodolite and the like. Once the device fails, the device needs to be disassembled, and then the positioning pin hole needs to be arranged again and the system error needs to be calibrated and corrected again. For example, in the invention patent with the publication number CN115446751A, the single cylindrical pin-hole cooperation structure can only realize basic mechanical positioning and cannot compensate the angle deviation in the device disassembly and assembly process. The manual visual alignment is prone to be interfered by the visual angle and thus the positioning is inaccurate.

[0003] The existing calibration and installation method of the above device reduces the production efficiency and increases the equipment use support cost on the one hand, and deviates from the requirement of equipment actual combat on the other hand. Therefore, the installation method of the device needs to be optimized and improved. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the application is to provide a photoelectric device repeated disassembly and assembly calibration-free mounting device and method.

[0005] According to the photoelectric device repeated disassembly and assembly calibration-free mounting device provided by the application, the photoelectric device 3, the turret 2 and the vehicle body 1 are connected in sequence from top to bottom.

[0006] Preferably, the vehicle body 1 comprises a base 11 and a vehicle body azimuth reference 12; the base 11 and the vehicle body azimuth reference 12 are respectively taken as a bearing platform and an azimuth reference origin.

[0007] The turret 2 comprises a turret body 21, a left positioning pin 22, a right positioning pin 23 and a turret azimuth reference 24; the turret body 21 is provided with a photoelectric device 3 mounting surface.

[0008] The photoelectric device 3 comprises a turntable 31, a base 32, a photoelectric azimuth reference 33, a left positioning pin hole 34 and a right positioning pin hole 35; the base 32 is provided with a photoelectric device 3 mounting surface, and the mounting surface is provided with the left positioning pin hole 34 and the right positioning pin hole 35.

[0009] The left positioning pin hole 34 and the right positioning pin hole 35 are respectively matched with the left positioning pin 22 and the right positioning pin 23.

[0010] Preferably, the left positioning pin hole 34 cooperates with the left positioning pin 22 to play a positioning role, and the right positioning pin hole 35 cooperates with the right positioning pin 23 to play a directional role.

[0011] Preferably, the left positioning pin 22 and the right positioning pin 23 are cylindrical pins, and the top of the pin is chamfered for guiding;

[0012] The left positioning pin hole 34 is a round hole, and the right positioning pin hole 35 is a waist-shaped hole, and the middle split surface of the long side of the right positioning pin hole 35 points to the left positioning pin hole 34.

[0013] Preferably, the diameter tolerance of the left positioning pin 22 and the right positioning pin 23 is -0.1mm to -0.05mm;

[0014] The diameter tolerance of the left positioning pin hole 34 and the width tolerance of the right positioning pin hole 35 are +0.05mm to +0.1mm.

[0015] Preferably, the vehicle body orientation reference 12, the turret orientation reference 24, and the photoelectric orientation reference 33 are respectively provided with prisms, and the direction of the prisms is the reference direction.

[0016] Preferably, the electronic theodolite A, the electronic theodolite B, and the electronic theodolite C are used to aim at the prisms of the vehicle body orientation reference 12, the turret orientation reference 24, and the photoelectric orientation reference 33 respectively, and the fixed deviation between two references can be obtained through mutual aiming between the two electronic theodolites and the rotation angle of the electronic theodolite.

[0017] Preferably, the span of the left positioning pin 22 and the right positioning pin 23 is greater than 600mm, and the random error of the photoelectric equipment 3 in orientation is not greater than 2' under the above pin hole cooperation tolerance, and the error is within the allowable range, so that it is not necessary to recalibrate after disassembly and assembly.

[0018] Preferably, the electronic theodolite B respectively aims at the electronic theodolite A and the electronic theodolite C, and the fixed deviation between the references can be obtained.

[0019] According to the photoelectric equipment repeated disassembly and assembly calibration-free installation method provided by the present application, the method comprises the following steps:

[0020] Step 1: fixing the turret 2 on the base 11;

[0021] Step 2: hoisting the photoelectric equipment 3, and aligning the left positioning pin hole 34 on the installation surface of the base 32 with the left positioning pin 22 on the turret 2, and aligning the right positioning pin hole 35 with the right positioning pin 23 on the turret 2;

[0022] Step 3: guiding the left positioning pin 22 to be slowly inserted into the left positioning pin hole 34 and the right positioning pin 23 to be inserted into the right positioning pin hole 35 by using the chamfered top of the positioning pin;

[0023] Step 4: adjust the position of the photoelectric device 3, ensure that the left positioning pin 22 and the left positioning pin hole 34, the right positioning pin 23 and the right positioning pin hole 35 are matched in place, complete the installation and placement of the photoelectric device 3 on the turret 2;

[0024] Step 5: arrange the theodolite, and aim at the prisms of the vehicle body orientation reference 12, the turret orientation reference 24 and the photoelectric orientation reference 33 respectively;

[0025] Step 6: measure and record the fixed deviation between the references through mutual aiming of the prisms by the theodolite, as subsequent reference data;

[0026] Step 7: confirm that the photoelectric device 3 is installed stably, and the installation is completed.

[0027] The positioning pin and the pin hole have reasonable matching tolerance, that is, the pin hole tolerance is +0.05mm to +0.1mm, the positioning pin tolerance is -0.1mm to -0.05mm, and the span is greater than 600mm, and the random error of the photoelectric device 3 orientation is not greater than 2', so it is not necessary to recalibrate when repeatedly disassembling.

[0028] Compared with the prior art, the present application has the following beneficial effects:

[0029] 1. The present application sets a photoelectric orientation reference on the photoelectric device base, and only an electronic theodolite is needed to quickly measure and calibrate the installation error of the photoelectric device.

[0030] 2. The present application sets a set of positioning pins and positioning pin holes on the turret and the photoelectric device, the positioning pin span is greater than 600mm, and the pin hole matching gap is 0.1mm-0.2mm, the photoelectric device has high repeated installation precision, so it is not necessary to re-measure and calibrate after repeated installation. BRIEF DESCRIPTION OF DRAWINGS

[0031] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the accompanying drawings:

[0032] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0033] In the drawings:

[0034] DETAILED DESCRIPTION

[0035] The present application will be described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the present application, but do not limit the present application in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present application. These all belong to the protection scope of the present application.

[0036] Referring to Figure 1 The application discloses a device and a method for calibrating installation of photoelectric equipment without calibration after repeated disassembly and assembly, which comprises a vehicle body 1, a turret 2 and photoelectric equipment 3. The vehicle body 1 comprises a base 11 and a vehicle body orientation reference 12. The turret 2 comprises a turret body 21, a left positioning pin 22, a right positioning pin 23 and a turret orientation reference 24. The turret body 21 is provided with a photoelectric equipment installation surface. The photoelectric equipment 3 comprises a rotating platform 31, a base 32, a photoelectric orientation reference 33, a left positioning pin hole 34 and a right positioning pin hole 35. The base 32 is provided with a photoelectric equipment installation surface. The installation surface is provided with the left positioning pin hole 34 and the right positioning pin hole 35. The left positioning pin hole 34 and the right positioning pin hole 35 of the photoelectric equipment 3 are matched with the left positioning pin 22 and the right positioning pin 23 of the turret 2 respectively.

[0037] Referring to Figure 1 The vehicle body orientation reference 12, the turret orientation reference 24 and the photoelectric orientation reference 33 are respectively provided with prisms. The prisms of the vehicle body orientation reference 12, the turret orientation reference 24 and the photoelectric orientation reference 33 are aimed at each other by using an electronic theodolite, so that the fixed deviation between the references can be obtained.

[0038] Referring to Figure 1 The left positioning pin 22 and the right positioning pin 23 of the turret 2 are cylindrical pins, the top of which is chamfered for guiding. The diameter tolerance of the left positioning pin 22 and the right positioning pin 23 is -0.1mm to -0.05mm. The left positioning pin hole 34 of the photoelectric equipment 3 is a round hole, and the right positioning pin hole 35 is a waist-shaped hole. The middle section of the long side of the right positioning pin hole 35 points to the left positioning pin hole 34. The diameter tolerance of the left positioning pin hole 34 and the width tolerance of the right positioning pin hole 35 are +0.05mm to +0.1mm. The left positioning pin hole 34 and the right positioning pin hole 35 are matched with the left positioning pin 22 and the right positioning pin 23 respectively, so as to play a positioning role and a directional role. The span of the left positioning pin 22 and the right positioning pin 23 is greater than 600mm. The random error of the photoelectric equipment 3 is not greater than 2' under the above-mentioned pin hole matching tolerance. The error is within the allowable range, so that the photoelectric equipment 3 does not need to be recalibrated after disassembly and assembly.

[0039] As described above, the photoelectric equipment orientation reference is arranged on the base of the photoelectric equipment. The electronic theodolite is used to quickly measure and calibrate the installation error of the photoelectric equipment. A set of positioning pins and positioning pin holes are arranged on the turret and the photoelectric equipment respectively. The repeated installation precision of the photoelectric equipment is high, so that the photoelectric equipment does not need to be recalibrated after repeated installation.

[0040] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] The specific embodiments of the present application are described above. It should be understood that the present application is not limited to the above specific embodiments, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which do not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other without conflict, provided that they do not conflict.

Claims

1. A reusable, calibration-free installation device for optoelectronic equipment, characterized in that, It comprises a vehicle body (1), a turret (2) and an optoelectronic device (3); the optoelectronic device (3), the turret (2) and the vehicle body (1) are connected in sequence from top to bottom; The vehicle body (1) comprises a base (11) and a vehicle body orientation reference (12); the base (11) and the vehicle body orientation reference (12) are respectively used as a bearing platform and an orientation reference origin; The turret (2) comprises a turret body (21), a left positioning pin (22), a right positioning pin (23) and a turret orientation reference (24); the turret body (21) is provided with an optoelectronic device (3) mounting surface.

2. The optoelectronic device repeatable demountable calibration free mounting apparatus of claim 1, wherein, The optoelectronic device (3) comprises a rotary table (31), a base (32), an optoelectronic orientation reference (33), a left positioning pin hole (34) and a right positioning pin hole (35); the base (32) is provided with an optoelectronic device (3) mounting surface, and the mounting surface is provided with the left positioning pin hole (34) and the right positioning pin hole (35); The left positioning pin hole (34) and the right positioning pin hole (35) are respectively matched with the left positioning pin (22) and the right positioning pin (23).

3. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 2, wherein, The left positioning pin hole (34) and the right positioning pin hole (35) are respectively matched with the left positioning pin (22) and the right positioning pin (23).

4. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 3, wherein, The left positioning pin (22) and the right positioning pin (23) are cylindrical pins, and the top of the pin is chamfered for guiding; The left positioning pin hole (34) is a round hole, and the right positioning pin hole (35) is a waist-shaped hole; the middle split surface of the long side of the right positioning pin hole (35) points to the left positioning pin hole (34).

5. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 4, wherein, The diameter tolerance of the left positioning pin (22) and the right positioning pin (23) is -0.1mm to -0.05mm; The diameter tolerance of the left positioning pin hole (34) and the width tolerance of the right positioning pin hole (35) are +0.05mm to +0.1mm.

6. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 2, wherein, The vehicle body orientation reference (12), the turret orientation reference (24) and the optoelectronic orientation reference (33) are respectively provided with prisms, and the prisms point to the reference direction.

7. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 6, wherein, The electronic theodolites A, B and C are respectively aimed at the prisms of the vehicle body orientation reference (12), the turret orientation reference (24) and the optoelectronic orientation reference (33); the fixed deviation between two references can be obtained through mutual aiming between the two electronic theodolites and the rotation angle of the electronic theodolite.

8. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 5, wherein, The span of the left positioning pin (22) and the right positioning pin (23) is greater than 600mm, and the random error of the optoelectronic device (3) is not greater than 2′ under the above pin hole matching tolerance, which is within the allowable range and does not need to be recalibrated after disassembly.

9. The optoelectronic device do-it-yourself calibration-free mounting apparatus of claim 7, wherein, The electronic theodolite B is respectively aimed at the electronic theodolites A and C, and the fixed deviation between the references can be obtained.

10. A method for calibrating a photoelectric device, comprising: providing a photoelectric device; providing a calibration device; and connecting the photoelectric device to the calibration device. The method comprises the following steps: Step 1: fixing the turret (2) on the base (11); Step 2: hoisting the optoelectronic device (3) so that the left positioning pin hole (34) on the mounting surface of the base (32) is aligned with the left positioning pin (22) on the turret (2), and the right positioning pin hole (35) is aligned with the right positioning pin (23) on the turret (2); Step 3: using the chamfered top of the positioning pin for guiding, slowly inserting the left positioning pin (22) into the left positioning pin hole (34), and inserting the right positioning pin (23) into the right positioning pin hole (35). Step 4: Adjust the position of the photoelectric device (3) to ensure that the left positioning pin (22) and the left positioning pin hole (34) and the right positioning pin (23) and the right positioning pin hole (35) are matched in place, and the installation and placement of the photoelectric device (3) on the turret (2) is completed; Step 5: Arrange the theodolite and aim at the prisms of the vehicle body orientation reference (12), the turret orientation reference (24) and the photoelectric orientation reference (33) respectively; Step 6: Measure and record the fixed deviation between each reference through mutual sighting of each prism by the theodolite, as subsequent reference data; Step 7: After confirming that the photoelectric device (3) is installed stably, the installation is completed; The positioning pin and the pin hole have reasonable matching tolerances, that is, the pin hole tolerance is +0.05mm to +0.1mm, the positioning pin tolerance is -0.1mm to -0.05mm, and the span is greater than 600mm, and the random error of the photoelectric device (3) orientation is not greater than 2', so there is no need to recalibrate when repeatedly disassembling and assembling.

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