Inertial measurement unit test platform

Abstract

The utility model discloses an inertial measurement unit test platform, which comprises a base, a driving motor is arranged at the bottom in the base, a turntable is arranged at the output end of the driving motor, the turntable is positioned in the base, a connecting sleeve is arranged in the middle of the top of the turntable, and an inserting rod is arranged in the connecting sleeve; according to the utility model, the inertial measurement unit placing frame, the electric push rod, the first driven gear, the connecting frame, the first electric motor, the connecting shaft, the second electric motor, the first driving gear, the second driven gear, the limiting groove and the second driving gear are matched; according to the device, the inertial measurement unit can be fixed in the test process to ensure the stability in the test process, the angle of the inertial measurement unit in the test process can be randomly adjusted, more test data can be obtained, the accuracy of a test result is improved, the angle adjustment mode of the device is simple, and the operation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to inertial unit test technical field, concretely to a kind of inertial measurement unit test platform. BACKGROUND

[0002] Inertial measurement unit is the device for measuring the three-axis attitude angle and acceleration of object, and in order to calibrate whether the test unit is qualified, it needs to be placed on test platform before use, and the data obtained by testing is used for calibration.

[0003] The existing authorized publication number for "CN218787828U" is a kind of inertial measurement unit test platform, including test table, test box and measurement unit fixed on the end face of test table, the test box is installed with power supply, host computer and test board card, and the front end face of test box is embedded with operation panel;The measurement unit includes support table fixed on the upper end face of test table, rotating motor installed on support table, rotating platform installed on the output shaft of rotating motor and temperature control box fixedly installed on the upper end face of rotating platform, the inertial measurement device is placed in the temperature control box, and clamping assembly is arranged around the temperature control box, for stable clamping inertial measurement device, overcome the deficiency of prior art, through the clamping assembly that can be adjusted, different sizes of inertial measurement device are stably arranged, and then high-universal test software platform is matched, so that it is adapted to various models of inertial measurement device.

[0004] But in the process of testing the device, the test unit is directly placed on the platform for rotation to test inertial measurement unit, the test position is relatively fixed, multiple angle data cannot be obtained, so that the test result is not accurate enough. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of inertial measurement unit test platform to solve the problems existing in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of inertial measurement unit test platform, including base, the bottom of the inside of base is equipped with driving motor, the output end of driving motor is equipped with carousel, the carousel is located in the inside of base, the middle of the top of carousel is equipped with connecting sleeve, the inside of connecting sleeve is equipped with plug rod, the top of plug rod is equipped with bottom frame;

[0007] The inside of the bottom frame is symmetrically provided with limiting plates at both ends, the inside of the bottom frame is slidably connected with a first driven gear, the both ends of the first driven gear are symmetrically provided with limiting grooves, the limiting grooves and the limiting plates are matched with each other, the top of the inside of the first driven gear is provided with a first electric motor, the output end of the first electric motor is provided with a connecting shaft, the end of the two groups of connecting shafts is provided with a connecting frame, one side of the connecting frame is provided with a second electric motor, the output end of the second electric motor extends to the inside of the connecting frame and is provided with a first driving gear, the inside of the second driven gear is symmetrically provided with electric push rods at the top and the bottom, the output end of the electric push rod is provided with an inertial measurement unit placing frame, one side of the top of the base is provided with a third electric motor, the output end of the third electric motor is provided with a second driving gear, and the second driving gear is engaged with the first driven gear.

[0008] Preferably, the second electric motor, the first electric motor, the second driving gear and the electric push rod are all provided with storage batteries, and the second electric motor, the first electric motor, the second driving gear and the electric push rod are all electrically connected with the storage batteries, so as to avoid the interference of the connecting wires with the rotation.

[0009] Preferably, the limiting plate is arc-shaped, and the limiting plate is located in the inside of the limiting groove, so that the first driven gear can be limited during rotation.

[0010] Preferably, the inside of the connecting sleeve is symmetrically provided with limiting sliding grooves at both sides, and the both sides of the inserting rod are symmetrically provided with limiting sliding plates, the limiting sliding grooves and the limiting sliding plates are matched with each other, the inserting rod can be rotated during rotation of the connecting sleeve, and the inserting rod can be conveniently pulled out.

[0011] Preferably, the top of the base is provided with an arc-shaped groove, and the bottom of the arc-shaped groove is provided with a mounting groove, the first driven gear is located in the inside of the arc-shaped groove, and the connecting sleeve is located in the inside of the mounting groove, so as to facilitate connection.

[0012] Preferably, the top of the base is provided with a circular placing groove, and the rotating disc is located in the inside of the circular placing groove, so as to facilitate hiding of the rotating disc in the inside of the base.

[0013] Preferably, the top of the inertial measurement unit placing frame is symmetrically provided with guide pipes at both sides, and the inside of the guide pipe is provided with a guide rod, the connecting frame and the guide rod are connected with each other, so as to guarantee stability and prevent deviation.

[0014] Compared with the prior art, the inertial measurement unit test platform has the advantages that:

[0015] The inertial measurement unit is fixed during the inertial measurement unit test, stability during the test is guaranteed, the angle during the inertial measurement unit test can be adjusted at will, more test data is obtained, the accuracy of test results is improved, the angle adjustment mode is simple, the operation difficulty is reduced, the first driven gear is disassembled during the test platform is not used, the occupied space is reduced, and storage is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a front view of the utility model;

[0019] Figure 4 It is a top view of the connecting sleeve of the utility model;

[0020] Figure 5 It is a front view of the bottom frame of the utility model.

[0021] In the drawing: 1, base; 2, bottom frame; 3, inertial measurement unit placing frame; 4, electric push rod; 5, first driven gear; 6, connecting frame; 7, first electric motor; 8, connecting shaft; 9, second electric motor; 10, first driving gear; 11, second driven gear; 12, limit slot; 13, second driving gear; 14, turntable; 15, plug rod; 16, driving motor; 17, connecting sleeve; 18, third electric motor; 19, limit sliding plate; 20, limit sliding groove; 21, limit plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-5The utility model provides an embodiment: a kind of inertial measurement unit test platform, the bottom of the inside of base 1 is equipped with drive motor 16, the output of drive motor 16 is equipped with carousel 14, the top of base 1 is equipped with circular placement groove, carousel 14 is located inside circular placement groove, it is convenient to hide its inside to base 1, carousel 14 is located inside base 1, the middle of carousel 14 top is equipped with connecting sleeve pipe 17, the inside of connecting sleeve pipe 17 is equipped with plug rod 15, the both sides of connecting sleeve pipe 17 inside are equipped with limit sliding slot 20, the both sides of plug rod 15 are equipped with limit sliding plate 19, limit sliding slot 20 and limit sliding plate 19 are mutually adapted, in the process of rotating connecting sleeve pipe 17, plug rod 15 can be rotated, simultaneously it is convenient to extract, the top of plug rod 15 is equipped with bottom frame 2;

[0024] The both ends of the inside of bottom frame 2 are symmetrically equipped with limit plate 21, the inside of bottom frame 2 is slidably connected with first driven gear 5, the middle of the top of base 1 is equipped with arc slot, and the bottom of arc slot is equipped with mounting groove, first driven gear 5 is located inside arc slot, connecting sleeve pipe 17 is located inside mounting groove, it is convenient to connect, the both ends of first driven gear 5 are symmetrically equipped with limit slot 12, limit plate 21 is arc-shaped, and limit plate 21 is located inside limit slot 12, can limit first driven gear 5 in the process of rotating first driven gear 5, limit slot 12 and limit plate 21 are mutually adapted, the top of the inside of first driven gear 5 is equipped with first electric motor 7;

[0025] The output of first electric motor 7 is equipped with connecting shaft 8, the end of two groups of connecting shaft 8 is equipped with connecting frame 6, one side of connecting frame 6 is equipped with second electric motor 9, the output of second electric motor 9 extends to the inside of connecting frame 6 and is equipped with first driving gear 10, second driven gear 11 is equipped between two groups of connecting frame 6, the top and bottom of the inside of second driven gear 11 are symmetrically equipped with electric push rod 4, the output of electric push rod 4 is equipped with inertial measurement unit placement frame 3, the both sides of the top of inertial measurement unit placement frame 3 are symmetrically equipped with guide pipe, and the inside of guide pipe is equipped with guide rod, connecting frame 6 and guide rod are mutually connected, guarantee its stability, prevent its deviation, one side of the top of base 1 is equipped with third electric motor 18, the output of third electric motor 18 is equipped with second driving gear 13, second electric motor 9, first electric motor 7, second driving gear 13 and electric push rod 4 are all equipped with battery, second electric motor 9, first electric motor 7, second driving gear 13 and electric push rod 4 are all electrically connected with battery, avoid its connecting wire and interfere with its rotation, second driving gear 13 and first driven gear 5 are engaged.

[0026] Working principle: during the test, first of all, the inertial measurement unit is placed in the inertial measurement unit placing frame 3, and the electric push rod 4 is started at the same time, so that the two groups of inertial measurement unit placing frame 3 are close to each other to clamp the observation measurement unit, so as to ensure the stability in the subsequent test process, then the third electric motor 18 is started to drive the second driving gear 13 to rotate, the first driven gear 5 is driven to rotate in the process of rotation of the second driving gear 13, so as to adjust the position of Z axis, then the first electric motor 7 is started to drive the connecting frame 6 to rotate, the Y axis of the inertial measurement unit is adjusted through the rotation of the first electric motor 7, and the first driving gear 10 is driven to rotate in the process that the second electric motor 9 is started, the second driven gear 11 is driven to rotate in the process of rotation of the first driving gear 10, so as to adjust the X axis of the inertial measurement unit, so that the device can adjust the inertial measurement unit from multiple angles, and after the adjustment is completed, the driving motor 16 is started, the driving motor 16 drives the rotating disc 14 to rotate as a whole, and then the inertial measurement unit is tested through the inertia in the process of rotation, and in the process that the device is not adapted, the first driven gear 5 is directly pulled upwards, the bottom frame 2 and the inserting rod 15 are moved upwards, the inserting rod 15 is pulled out from the inside of the connecting sleeve 17, so that the dismounting work of the first driven gear 5 is completed, and the test platform is convenient to store.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it is to explain, unless another explicit provision and limit, term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electric connection, can be directly connected, also can pass through indirect connection of intermediate medium. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

Claims

1. An inertial measurement unit test platform comprising a base (1), characterized in that: The bottom of the inside of the base (1) is provided with a drive motor (16), the output end of the drive motor (16) is provided with a rotating disc (14), the rotating disc (14) is located in the inside of the base (1), the middle of the top of the rotating disc (14) is provided with a connecting sleeve (17), the inside of the connecting sleeve (17) is provided with a plug rod (15), the top of the plug rod (15) is provided with a bottom frame (2); The both ends of the inside of the bottom frame (2) are symmetrically provided with a limiting plate (21), the inside of the bottom frame (2) is slidably connected with a first driven gear (5), the both ends of the first driven gear (5) are symmetrically provided with a limiting groove (12), the limiting groove (12) and the limiting plate (21) are matched with each other, the top of the inside of the first driven gear (5) is provided with a first electric motor (7), the output end of the first electric motor (7) is provided with a connecting shaft (8), the end of the two groups of connecting shafts (8) is provided with a connecting frame (6), one side of the connecting frame (6) is provided with a second electric motor (9), the output end of the second electric motor (9) extends to the inside of the connecting frame (6) and is provided with a first driving gear (10), the second driven gear (11) is arranged between the two groups of connecting frames (6), the top and bottom of the inside of the second driven gear (11) are symmetrically provided with an electric push rod (4), the output end of the electric push rod (4) is provided with an inertial measurement unit placing frame (3), one side of the top of the base (1) is provided with a third electric motor (18), the output end of the third electric motor (18) is provided with a second driving gear (13), the second driving gear (13) is engaged with the first driven gear (5).

2. The inertial measurement unit test platform of claim 1, wherein: The second electric motor (9), the first electric motor (7), the second driving gear (13) and the electric push rod (4) are all provided with a storage battery, and the second electric motor (9), the first electric motor (7), the second driving gear (13) and the electric push rod (4) are all electrically connected with the storage battery.

3. The inertial measurement unit test platform of claim 1, wherein: The limiting plate (21) is arc-shaped, and the limiting plate (21) is located in the inside of the limiting groove (12).

4. The inertial measurement unit test platform of claim 1, wherein: The both sides of the inside of the connecting sleeve (17) are symmetrically provided with a limiting sliding groove (20), the both sides of the plug rod (15) are symmetrically provided with a limiting sliding plate (19), and the limiting sliding groove (20) and the limiting sliding plate (19) are matched with each other.

5. The inertial measurement unit test platform of claim 1, wherein: The middle of the top of the base (1) is provided with an arc-shaped groove, and the bottom of the arc-shaped groove is provided with a mounting groove, the first driven gear (5) is located in the inside of the arc-shaped groove, and the connecting sleeve (17) is located in the inside of the mounting groove.

6. The inertial measurement unit test platform of claim 1, wherein: The top of the base (1) is provided with a circular placing groove, and the rotating disc (14) is located in the inside of the circular placing groove.

7. The inertial measurement unit test platform of claim 1, wherein: The both sides of the top of the inertial measurement unit placing frame (3) are symmetrically provided with a guide pipe, and the inside of the guide pipe is provided with a guide rod, and the connecting frame (6) and the guide rod are connected with each other.

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