CN220625330U - Three-axis turntable testing system for calibrating attitude sensor - Google Patents

Abstract

The utility model relates to a test equipment field discloses a triaxial revolving stage test system for attitude sensor calibration, including test piece and support frame, the lower fixed surface of test piece is connected with the driving piece, the surface of accepting the piece rotates and is connected with the link, just driving piece fixed connection in the inside of link, the last fixed surface of support frame is connected with a plurality of accepting the piece, the surface of accepting the piece is screwed and is connected with the main screw rod for the auxiliary frame of main screw rod surface is screwed and is connected first screw rod and second screw rod, can carry out the regulation of secondary fixed angle to the driving piece and fix, and can carry out primary spacing fixed according to the in-service use condition of test piece and driving piece, rethread first screw rod and second screw rod carry out secondary fine tuning fixedly, so that be convenient for test piece and driving piece convenient regulation and fixed use.

Description

Three-axis turntable testing system for calibrating attitude sensor

Technical Field

The present application relates to the field of test equipment, and in particular, to a three-axis turret test system for attitude sensor calibration.

Background

For example, chinese patent publication No. CN.216283553U discloses a three-axis turntable test system for calibrating an attitude sensor, which comprises a base, an outer ring rotating member, a middle ring rotating member, an inner ring rotating member, a stepping motor and a balancing weight; the upper computer is communicated with the lower computer through the serial port to control the stepping motor, and then the three shafts are controlled to drive the inner ring rotating piece, the middle ring rotating piece and the outer ring rotating piece to rotate, so that the upper, pitching and lower movement is realized, and the device can be used for calibrating the attitude sensor. Meanwhile, in order to ensure stable rotation of the motor, balancing weights with the same shape as the motor are arranged on opposite sides of the motor with the inner ring and the middle ring rotating shaft. The base adjusts the triaxial revolving stage to be in the horizontality through adjusting nut and screw rod to be furnished with fixed bottom plate, guarantee triaxial revolving stage test system's stability. The utility model has simple structure, small volume, low cost, low power consumption and convenient carrying and testing;

with respect to the related art in the above, the inventors believe that although the above-mentioned apparatus has been able to complete calibration of the attitude sensor, there are still complexities in the actual use process, resulting in excessively complex operation of the fixing structure in operation, difficulty in fine adjustment fixing calibration in fixing the attitude sensor, and resulting in defects of complex fixing operation and inconvenience in fixing the attitude sensor in calibration in fixing the attitude sensor;

the above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems that the fixing steps of the attitude sensor are complex in operation and inconvenient in fixing, the application provides a three-axis turntable testing system for calibrating the attitude sensor.

The three-axis turntable testing system for calibrating the attitude sensor adopts the following technical scheme:

the utility model provides a triaxial revolving stage test system for attitude sensor calibration, includes test piece and support frame, the lower fixed surface of test piece is connected with the driving piece, the surface of accepting the piece rotates and is connected with the link, just driving piece fixedly connected with in the inside of link, the upper surface fixedly connected with of support frame accepts the piece, the surface of accepting the piece is screwed and is connected with the main screw rod, the surface of main screw rod rotates and is connected with the auxiliary frame, the surface of auxiliary frame is located the top of main screw rod is screwed and is connected with the screw rod No. one, the surface of auxiliary frame is located the below of main screw rod is screwed and is connected with the screw rod No. two.

Preferably, the surface fixedly connected with main fixed block of auxiliary frame, the inboard fixedly connected with of auxiliary frame rotates the cover, just the one end of main screw rod with rotate the cover and rotate and be connected, the tip fixedly connected with fixed block of screw rod No. one, the tip fixedly connected with of screw rod No. two fixed blocks.

Preferably, the lower surface of the driving piece is fixedly connected with a laser block, and a plurality of hinges are fixedly connected between the supporting frame and the connecting frame.

Preferably, the lower surface of the support frame is fixedly connected with a plurality of threaded shafts, and the lower surface of the threaded shafts is screwed with a support cylinder.

Preferably, the lower surface of the supporting cylinder is rotationally connected with a rotating block, and the supporting cylinder is rotationally connected with supporting feet through the rotating block.

In summary, the present application includes the following beneficial technical effects:

through being provided with test piece and support frame, and at the cubic piece that holds of a plurality of square fixedly connected with of surface mounting of support frame, make the support frame can close the main screw rod through holding the piece soon, carry out first spacing fixedly to the lateral wall of driving piece, because be hinge rotation connection between link and the support frame, make the auxiliary frame of main screw rod surface close the first screw rod and the second screw rod of connection soon, can carry out the regulation fixedly of secondary fixed angle to the driving piece, and can carry out first spacing fixedly according to the actual use condition of test piece and driving piece, rethread first screw rod of a plurality of and second screw rod carry out the secondary fine setting fixedly, so that convenient regulation and fixed use of test piece and driving piece.

Drawings

FIG. 1 is a schematic diagram of an overall test structure of an attitude sensor of an embodiment of the application;

FIG. 2 is a schematic bottom view of an attitude sensor of an embodiment of the application;

FIG. 3 is a schematic view of a driving member fixing structure of an attitude sensor according to an embodiment of the application;

FIG. 4 is a schematic diagram of a test support structure for an attitude sensor of an embodiment of the application.

Reference numerals illustrate: 1. a test piece; 2. a receiving block; 3. a support frame; 4. a driving member; 5. a threaded shaft; 6. a support cylinder; 7. a laser block; 8. a hinge; 9. a connecting frame; 10. supporting feet; 11. a first fixed block; 12. a main fixed block; 13. a second fixed block; 14. a first screw; 15. an auxiliary frame; 16. a main screw; 17. a rotating sleeve; 18. a second screw; 19. and rotating the block.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a three-axis turntable testing system for calibrating an attitude sensor. Referring to fig. 1, 2 and 3, a three-axis turntable test system for calibrating an attitude sensor comprises a test piece 1 and a support frame 3, wherein the test piece 1 can complete a calibration test through a driving piece 4 on the lower surface of the test piece, and a circular connecting frame 9 is rotatably connected to the outer surface of the support frame 3, so that the driving piece 4 can be fixedly connected with the connecting frame 9, and the test piece 1 can be assisted to complete the calibration of the attitude sensor;

wherein, the test piece 1 and the driving piece 4 are all components used for calibrating the attitude sensor in the patent with the bulletin number of CN.216283553U, and the test steps are all disclosed in the original document and are not repeated here;

simultaneously, the outer surface fixedly connected with a plurality of square massive bearing blocks 2 at support frame 3 for support frame 3 can be connected with main screw rod 16 through the bearing blocks 2 spin, carry out spacing fixedly for the first time to the lateral wall of driving piece 4, because be hinge 8 rotation connection between link 9 and the support frame 3, make the auxiliary frame 15 spin of main screw rod 16 surface connect first screw rod 14 and No. two screw rods 18, can carry out the regulation fixed of secondary fixed angle to driving piece 4, and can carry out spacing fixedly for the first time through a plurality of main screw rod 16 according to the actual service conditions of test piece 1 and driving piece 4, rethread a plurality of first screw rod 14 and No. two screw rods 18 carry out the secondary fine setting fixedly, so that convenient regulation and fixed use of test piece 1 and driving piece 4.

Referring to fig. 3, when the inner wall of the auxiliary frame 15 is rotatably connected with the main screw 16 through the rotating sleeve 17, so that the main screw 16 is screwed to push the main fixing block 12 to fix, the auxiliary frame 15 can maintain a vertical angle, and the first fixing block 11 and the second fixing block 13 are fixedly connected to the outer surfaces of the first screw 14 and the second screw 18, respectively, so that the main screw 16, the first screw 14 and the second screw 18 can perform auxiliary contact fixation through the main fixing block 12, the first fixing block 11 and the second fixing block 13 when the driving piece 4 is fixed, and the angle is fixed in a fine adjustment mode.

Referring to fig. 2, by fixedly connecting the laser block 7 at the middle position of the lower surface of the driving member 4, when the test piece 1 and the driving member 4 are fixed and fine-tuned, laser can be emitted by the laser block 7 for calibration, so that the test piece 1 and the driving member 4 can have references when being adjusted, and meanwhile, a plurality of hinges 8 are arranged between the supporting frame 3 and the connecting frame 9, so that after the main screw 16 is fixed, the supporting frame 3 and the connecting frame 9 are rotationally connected due to the hinges 8, and the plurality of first screws 14 and second screws 18 still have fine-tuned spaces.

Referring to fig. 1 and 4, a support tube 6 is fixedly connected to the lower surface of the support frame 3, and the support tube 6 is screwed to the lower surface of the screw shaft 5. Make the use height that closes support section of thick bamboo 6 can control support frame 3 soon to set up support section of thick bamboo 6 and rotate through turning block 19 and be connected with supporting legs 10, make support section of thick bamboo 6 when rotating height-adjusting, supporting legs 10 can be fixed, make support section of thick bamboo 6 height-adjusting more convenient stability.

The implementation principle of the three-axis turntable testing system for calibrating the attitude sensor is as follows: through setting up test piece 1 and support frame 3 for test piece 1 can accomplish the calibration test through the driving piece 4 of its lower surface, and rotate at the surface of support frame 3 and be connected with annular link 9, make driving piece 4 can carry out fixed connection with link 9, so that supplementary test piece 1 accomplishes attitude sensor calibration, simultaneously at the square cubic supporting piece 2 of surface fixedly connected with a plurality of support frame 3, make support frame 3 can be connected with main screw rod 16 through the joint piece 2 spin, carry out first spacing fixed to the lateral wall of driving piece 4, because be hinge 8 rotation connection between link 9 and the support frame 3, make the auxiliary frame 15 of main screw rod 16 surface spin connect first screw rod 14 and No. two screw rods 18, can carry out the regulation of secondary fixed angle to driving piece 4 and fix, and can carry out the primary spacing fixed through a plurality of main screw rod 16 according to the actual use condition of test piece 1 and driving piece 4, rethread first screw rod 14 and No. two screw rods 18 carry out the secondary and fine setting fixedly, so that test piece 1 and driving piece 4 are convenient and fast and convenient to adjust and use.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (5)

1. A three-axis turntable test system for attitude sensor calibration, including test piece (1) and support frame (3), its characterized in that: the lower surface of the test piece (1) is fixedly connected with a driving piece (4), the outer surface of the supporting frame (3) is rotationally connected with a connecting frame (9), and the driving piece (4) is fixedly connected with the inside of the connecting frame (9);

the upper surface fixedly connected with of support frame (3) accepts piece (2), the surface of accepting piece (2) closes soon and is connected with main screw rod (16), the surface of main screw rod (16) rotates and is connected with auxiliary frame (15), the surface of auxiliary frame (15) is located the top of main screw rod (16) closes soon and is connected with screw rod (14), the surface of auxiliary frame (15) is located the below of main screw rod (16) closes soon and is connected with screw rod (18) No. two.

2. A three-axis turret test system for attitude sensor calibration according to claim 1, wherein: the outer surface fixedly connected with main fixed block (12) of auxiliary frame (15), the inboard fixedly connected with of auxiliary frame (15) rotates cover (17), just the one end of main screw rod (16) with rotate cover (17) and rotate and be connected, the tip fixedly connected with fixed block (11) of screw rod (14), the tip fixedly connected with fixed block (13) No. two of screw rod (18).

3. A three-axis turret test system for attitude sensor calibration according to claim 1, wherein: the lower surface of the driving piece (4) is fixedly connected with a laser block (7), and a plurality of hinges (8) are fixedly connected between the supporting frame (3) and the connecting frame (9).

4. A three-axis turret test system for attitude sensor calibration according to claim 1, wherein: the lower surface of the supporting frame (3) is fixedly connected with a plurality of threaded shafts (5), and the lower surface of the threaded shafts (5) is screwed and connected with a supporting cylinder (6).

5. A three-axis turret test system for attitude sensor calibration according to claim 4, wherein: the lower surface of the supporting cylinder (6) is rotationally connected with a rotating block (19), and the supporting cylinder (6) is rotationally connected with supporting feet (10) through the rotating block (19).