Portable attitude and heading bracket installation and calibration equipment

By installing calibration equipment on a portable attitude and bearing bracket and using a target laser pointer and fine-tuning device, the problem of attitude and bearing bracket installation error was solved, and high-precision calibration results were achieved.

CN223769532UActive Publication Date: 2026-01-06SHAANXI BAOCHENG AVIATION INSTR
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Patent Information

Application Number
CN202520291272.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-06
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The existing attitude and heading brackets installed on aircraft have attitude and heading direction errors, and the inclinometer cannot be directly placed on the bracket to measure the attitude and heading angle errors.

Method used

Design a portable attitude and bearing bracket installation and calibration equipment. It uses a laser pointer to emit laser rays as a calibration reference, combines the light spots on coordinate paper to judge the error, and achieves accurate installation through a fine-tuning device. It is equipped with a support and a contact switch to indicate that the calibration is complete.

Benefits of technology

It improves the accuracy of attitude control bracket installation, ensures the precision and reliability of the calibration process, avoids angular deviations, and enhances the calibration effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a portable attitude and heading bracket installation calibration device which comprises a base, one end of the base is fixedly connected with a connecting frame, one side of the upper end of the connecting frame is fixedly connected with a cantilever, the top end of the cantilever is fixedly connected with a mirror frame, and the middle of one side of the mirror frame is in threaded connection with a target calibration laser pen. The device further comprises a butt joint structure, the butt joint structure comprises a butt joint ring, the butt joint ring is fixed to the rear portion of the outer surface of the target correction laser pen, butt joint bolts are arranged in the middle of the butt joint ring at equal intervals in a penetrating mode, the butt joint bolts extend into the mirror frame in a threaded mode, and the outer surfaces of the butt joint bolts are sleeved with fourth spring washers and abut against the butt joint ring. The butt joint structure further comprises a supporting block and a guide frame, the supporting block is clamped to the upper portion of the outer surface of the butt joint ring, the middle of the top end of the supporting block is sleeved with a supporting column, the guide frame is fixed to the upper portion of one side of the mirror frame, and an alarm is fixed to one end of the guide frame. According to the utility model, the accuracy of the mounting position of the heading attitude bracket is improved, the effect is improved, and the requirements are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the installation of the attitude holder, specifically to portable attitude holder installation calibration equipment. BACKGROUND

[0002] The attitude holder is an auxiliary device for the navigation system of an airplane, and its main function is to provide attitude information when the main navigation system fails. At present, the installation of the attitude holder on the airplane has errors in the attitude and the heading direction, and the inclinometer cannot be directly placed on the holder to measure the attitude and heading angle error, therefore, an equipment for calibrating the installation of the attitude holder is required to solve the above technical defects and improve the effect. SUMMARY

[0003] The utility model discloses a portable attitude holder installation calibration equipment to solve the problem of the existing attitude holder installation on the airplane having errors in the attitude and the heading direction and the inclinometer being unable to be directly placed on the holder to measure the attitude and heading angle error.

[0004] To solve the above technical problems, the utility model is realized through the following technical scheme:

[0005] The utility model discloses a portable attitude holder installation calibration equipment, which comprises:

[0006] The base is fixedly connected with a connecting frame at one end, and a cantilever is fixedly connected to one side of the upper end of the connecting frame; the top end of the cantilever is fixedly connected with a mirror frame, and a target calibration laser pen is threadedly connected to the middle part of one side of the mirror frame.

[0007] Further, a first pin is arranged through the corner of one end of the connecting frame, and the first pin extends into the base at one end; a first spring washer is arranged on the outer surface of the first pin, and the first spring washer is in contact with the base.

[0008] Further, a second pin is arranged through the corner of one end of the cantilever, and the second pin extends into the connecting frame; a second spring washer is arranged on the outer surface of the second pin, and the second spring washer is in contact with the connecting frame.

[0009] Further, a reinforcing block is fixedly connected to the corner of one end of the mirror frame, and a third pin is arranged through the top end of the reinforcing block; the third pin extends into the mirror frame, and a third spring washer is arranged on the outer surface of the second pin; the third spring washer is in contact with the reinforcing block.

[0010] Further, a top cover is threadedly connected to the top end of the mirror frame.

[0011] Further, the docking structure further comprises a supporting block and a guide frame, the supporting block is clamped on the upper portion of the outer surface of the docking ring, and a supporting column is sleeved on the top middle portion of the supporting block; the guide frame is fixed on the upper portion of one side of the frame, and an alarm is fixed on one end of the guide frame; the inner side of the alarm is embedded with a contact switch; the lower end of the guide frame is provided with an inclined slot in the middle portion, and the inner wall of the inclined slot is higher at the top.

[0012] Further, the docking structure further comprises a supporting block and a guide frame, the supporting block is clamped on the upper portion of the outer surface of the docking ring, and a supporting column is sleeved on the top middle portion of the supporting block; the guide frame is fixed on the upper portion of one side of the frame, and an alarm is fixed on one end of the guide frame; the inner side of the alarm is embedded with a contact switch; the lower end of the guide frame is provided with an inclined slot in the middle portion, and the inner wall of the inclined slot is higher at the top.

[0013] The utility model has the following beneficial effects:

[0014] The utility model places the calibration equipment on the platform, utilizes the school target laser pen to emit laser rays, and uses the light spot on the coordinate paper as a reference, if the laser rays cannot be opposite to the light spot, it can be judged that there is an error, and the device can be adjusted up and down until the emitted rays are opposite to the light spot on the coordinate paper, which indicates that the calibration is completed, helps to improve the accuracy of the installation position of the attitude holder, improves the effect, and meets the demand.

[0015] Based on the above beneficial effects, the school target laser pen is used for attitude holder calibration, in order to avoid the deviation of the angle, the contact switch is used with the vertically arranged supporting column, if the school target laser connection state is loose, it moves downward under the gravity, the supporting column moves obliquely downward, and the contact switch is contacted, the alarm is opened to prompt, which helps to improve the accuracy of the calibration. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0017] Fig. 1 It is the front view of the utility model;

[0018] Fig. 2 It is the docking structure schematic view of the utility model;

[0019] Fig. 3 It is the guide frame bottom view of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, base; 2, connecting frame; 3, cantilever; 4, mirror frame; 5, target calibration laser pen; 51, butt joint ring; 52, butt joint bolt; 53, fourth spring washer; 54, support block; 55, support column; 56, guide frame; 57, alarm; 58, contact switch; 6, top cover; 7, reinforcing block; 8, first pin; 9, first spring washer; 10, second pin; 11, second spring washer; 12, third pin; 13, third spring washer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] To make the purpose, technical scheme and advantages of the utility model clearer, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0024] Please refer to Figs. 1-3 The utility model discloses a portable attitude holder installation and calibration equipment, which comprises:

[0025] The base 1 is fixedly connected with the connecting frame 2 at one end, and the upper end of the connecting frame 2 is fixedly connected with the cantilever 3 at one side, and the top end of the cantilever 3 is fixedly connected with the mirror frame 4, and the middle part of one side of the mirror frame 4 is threadedly connected with the target calibration laser pen 5.

[0026] The base 1 provides an installation environment and ensures the stability of the structure, the connecting frame 2 is used for butt joint fixing of the base 1 and the cantilever 3, the cantilever 3 is used for installing the mirror frame 4, and the mirror frame 4 is used for installing the target calibration laser pen 5, and the rays emitted by the target calibration laser pen 5 are used for cooperating with the light spots on the calibration paper to calibrate and adjust the installation position of the attitude holder.

[0027] The corner of one end of the connecting frame 2 is penetrated through with the first pin 8, one end of the first pin 8 extends into the base 1, the outer surface of the first pin 8 is sleeved with the first spring washer 9, and the first spring washer 9 is in contact with the base 1.

[0028] The first pin 8 cooperates with the first spring washer 9 to ensure the tightness of the connection between the connecting frame 2 and the base 1.

[0029] The corner of one end of the cantilever 3 is penetrated through with the second pin 10, and the second pin 10 extends into the connecting frame 2, the outer surface of the second pin 10 is sleeved with the second spring washer 11, and the second spring washer 11 is in contact with the connecting frame 2.

[0030] The second pin 10 cooperates with the second spring washer 11 to ensure the tightness of the connection between the connecting frame 2 and the cantilever 3.

[0031] The corner of one end of the frame 4 is fixedly connected with a reinforcing block 7, and the top end of the reinforcing block 7 penetrates through a third pin 12, which extends into the frame 4, and the outer surface of the second pin 10 is sleeved with a third spring washer 13, which abuts against the reinforcing block 7.

[0032] The third pin 12 cooperates with the third spring washer 13 to ensure the tightness of the connection between the cantilever 3 and the frame 4.

[0033] The top end of the frame 4 is threadedly connected with a top cover 6.

[0034] The top cover 6 isolates and seals the upper end of the frame 4, and protects the structure inside.

[0035] Working principle: the first pin 8 cooperates with the first spring washer 9 to butt joint and fix the base 1 and the connecting frame 2, the second pin 10 and the second spring washer 11 butt joint and fix the cantilever 3 and the connecting frame 2, the third pin 12 and the third spring washer 13 butt joint the cantilever 3 and the frame 4, and fix the base 1 on the platform, and open the target calibration laser pen 5, use the target calibration laser pen 5 to emit laser rays, and use the light spot on the coordinate paper as a reference, if the laser rays cannot be opposite to the light spot, it can be judged that there is an error, and the device can be adjusted up and down until the emitted rays are opposite to the light spot on the coordinate paper, which means that the calibration is completed.

[0036] The scheme helps to improve the accuracy of the installation position of the attitude holder, improve the effect, and meet the needs.

[0037] Please refer to Figs. 1-3 The embodiment further includes a butt joint structure, the butt joint structure includes a butt joint ring 51 fixed to the rear of the outer surface of the target calibration laser pen 5, and a butt joint bolt 52 equally penetrates through the middle part of the butt joint ring 51, the butt joint bolt 52 threadedly extends into the frame 4, and the outer surface of the butt joint bolt 52 is sleeved with a fourth spring washer 53, and abuts against the butt joint ring 51.

[0038] The butt joint ring 51 cooperates with the butt joint bolt 52 to fix the structure of the target calibration laser pen 5 under the fourth spring washer 53.

[0039] The docking structure further comprises a supporting block 54 and a guide frame 56, the supporting block 54 is clamped on the upper portion of the outer surface of the docking ring 51, a supporting column 55 is sleeved on the middle portion of the top end of the supporting block 54, the guide frame 56 is fixed on the upper portion of one side of the frame 4, one end of the guide frame 56 is fixed with an alarm 57, the inner side of the alarm 57 is embedded with a contact switch 58, the middle portion of the lower end of the guide frame 56 is a slanting groove, and the inner wall of the slanting groove is higher at the top end;

[0040] The supporting block 54 is fixed on the supporting column 55, the supporting column 55 extends to one side inside the guide frame 56, when the target calibration laser pen 5 is loosened and moves downward, the supporting column 55 moves downward and contacts the contact switch 58, and the controlled alarm 57 is opened to give an alarm, so that the target calibration laser pen 5 can be locked in time, and the calibration effect is further improved.

[0041] Working principle: when the target calibration laser pen 5 is used for installation and calibration of the attitude holder, if the target calibration laser pen 5 is loosened and moves downward under the influence of gravity, the supporting column 55 moves downward, the supporting column 55 contacts the contact switch 58, and the alarm 57 is controlled to give an alarm sound for early warning.

[0042] The scheme can correct the position of the target calibration laser pen 5 and give a prompt, which helps to further improve the calibration of the installation of the attitude holder, improve the effect, and meet the requirements.

[0043] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A portable strapdown mount calibration rig, comprising: Include: The base (1), one end of the base (1) is fixedly connected with the connecting frame (2), and the upper end of the connecting frame (2) is fixedly connected with the cantilever (3) on one side, the top of the cantilever (3) is fixedly connected with the frame (4), and the middle of one side of the frame (4) is threadedly connected with the target calibration laser pen (5).

2. The portable strapdown airframe installation calibration equipment according to claim 1, characterized in that: The corner of one end of the connecting frame (2) is provided with a first pin (8), and one end of the first pin (8) extends into the base (1), and the outer surface of the first pin (8) is provided with a first spring washer (9), and the first spring washer (9) is in contact with the base (1).

3. The portable strapdown airframe installation calibration equipment according to claim 1, characterized in that: The corner of one end of the cantilever (3) is provided with a second pin (10), and the second pin (10) extends into the connecting frame (2), and the outer surface of the second pin (10) is provided with a second spring washer (11), and the second spring washer (11) is in contact with the connecting frame (2).

4. The portable strapdown airframe installation calibration equipment of claim 1, wherein: The corner of one end of the frame (4) is fixedly connected with the reinforcing block (7), and the top of the reinforcing block (7) is provided with a third pin (12), and the third pin (12) extends into the frame (4), and the outer surface of the second pin (10) is provided with a third spring washer (13), and the third spring washer (13) is in contact with the reinforcing block (7).

5. The portable strap-on mount calibration apparatus of claim 1, wherein: The top of the frame (4) is threadedly connected with the top cover (6).

6. The portable strap-on mount calibration apparatus of claim 1, wherein: It also includes a docking structure, the docking structure includes a docking ring (51), the docking ring (51) is fixed on the rear surface of the target calibration laser pen (5), and the middle of the docking ring (51) is provided with a docking bolt (52) at equal intervals, the docking bolt (52) is threadedly extended into the frame (4), and the outer surface of the docking bolt (52) is provided with a fourth spring washer (53), and the fourth spring washer (53) is in contact with the docking ring (51).

7. A portable strapdown airframe installation calibration apparatus according to claim 6, characterized in that: The docking structure further includes a support block (54) and a guide frame (56), the support block (54) is clamped on the upper surface of the docking ring (51), and the top of the support block (54) is provided with a support column (55), the guide frame (56) is fixed on the upper surface of one side of the frame (4), and one end of the guide frame (56) is fixed with an alarm (57), the inner side of the alarm (57) is embedded in contact with a switch (58), the lower end of the guide frame (56) is provided with an inclined slot in the middle, and the inner wall of the inclined slot is higher at the top.