Rapid calibration device for three-axis turntable

By designing a rapid calibration device, utilizing the cooperation of the placement stage and clamp, combined with a laser instrument and a camera, the problems of time-consuming, labor-intensive, and offset calibration of three-axis turntables were solved, achieving efficient and accurate calibration results.

CN223947848UActive Publication Date: 2026-02-27江西航测科技有限公司
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Patent Information

Application Number
CN202520688410.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-02-27
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing three-axis rotary table calibration methods are time-consuming and labor-intensive, prone to errors due to human factors, and lack effective centering clamping components, leading to misalignment during installation, which increases the complexity and difficulty of calibration.

Method used

Design a rapid calibration device comprising a testing box, a rotating plate, a moving component, a clamping component, and a calibration component. By moving the placement stage and clamping the holder, combined with the use of a laser instrument and a camera, a rapid and accurate calibration of a three-axis rotary table can be achieved.

Benefits of technology

It enables rapid and accurate calibration of the three-axis rotary table, reduces operational errors, improves calibration efficiency and accuracy, and enhances the comprehensiveness and flexibility of calibration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of three-axis turntable calibration, in particular to a rapid calibration device for a three-axis turntable. The utility model provides the rapid calibration device for the three-axis turntable, which can adjust the position of the placing table to carry out rapid calibration by centering and clamping while assembling and disassembling the three-axis turntable, is simple to operate, prevents deviation, reduces errors, is convenient to take down the three-axis turntable, improves the calibration efficiency and accuracy, and is convenient to use. A rapid calibration device of a three-axis turntable comprises a detection box, a rotating plate and the like, and the front upper part of the detection box is rotatably connected with the rotating plate. According to the utility model, the placing table is moved in or out, then the three-axis turntable is installed, the clamping frame is moved to clamp and calibrate the three-axis turntable, or the clamping frame is separated to take down the three-axis turntable, so that the position of the placing table can be adjusted to clamp the three-axis turntable in the middle to carry out quick calibration while the three-axis turntable is assembled and disassembled, the operation is simple, the offset is prevented, and the error is reduced; the calibration efficiency and accuracy are improved, and the calibration device is convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to three -axis turntable calibration field especially, and relates to a kind of quick calibration device of three -axis turntable. BACKGROUND

[0002] In the field of precision manufacturing, aerospace, optical instruments and automation testing, three-axis turntable as a kind of key equipment, is widely used in the positioning of equipment, testing and calibration work.Through the accurate control of its three rotating shafts (usually pitch axis, yaw axis and roll axis), three-axis turntable can realize the arbitrary attitude adjustment of the tested or calibrated object in space, and is the key component to ensure system performance and accuracy.

[0003] The calibration method of three-axis turntable usually relies on manual operation, such as using micrometer, laser range finder and other tools for manual measurement and adjustment, which not only consumes time and effort, but also is prone to errors due to human factors, affecting the efficiency and accuracy of calibration.In addition, due to the lack of effective centering and clamping components, three-axis turntable may be offset during installation, further increasing the complexity and difficulty of calibration, and making it inconvenient to use.

[0004] Therefore, it is necessary to design a quick calibration device for three-axis turntable, which can adjust the position of the placement table, center and clamp the three-axis turntable during installation and removal, prevent offset, reduce errors, facilitate the removal of three-axis turntable, improve the efficiency and accuracy of calibration, and use conveniently. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the current measurement method, which not only consumes time and effort, but also is prone to errors due to human factors, affecting the efficiency and accuracy of calibration, and due to the lack of effective centering and clamping components, three-axis turntable may be offset during installation, further increasing the complexity and difficulty of calibration, the utility model provides a quick calibration device for three-axis turntable, which can adjust the position of the placement table, center and clamp the three-axis turntable during installation and removal, prevent offset, reduce errors, facilitate the removal of three-axis turntable, improve the efficiency and accuracy of calibration, and use conveniently.

[0006] The technical scheme of the utility model is: a quick calibration device for three-axis turntable, comprising a detection box, a rotating plate, a moving assembly, a clamping assembly and a calibration assembly, the rotating plate is rotatably connected to the upper front part of the detection box, the moving assembly for moving the three-axis turntable is arranged at the lower part of the detection box, the clamping assembly for centering and clamping the three-axis turntable is arranged on the moving assembly, and the calibration assembly for calibrating the three-axis turntable is arranged on the detection box.

[0007] In one embodiment, the rotating plate is made of transparent material.

[0008] In one of the embodiments, the moving assembly comprises a common screw rod, a guide rod, a sliding block and a placing table, the common screw rod is rotatably connected to the lower right part of the detection box, the guide rod is connected to the lower left part of the detection box, the sliding block is slidably connected to the guide rod, the sliding block is threadedly connected to the common screw rod, and the sliding block is slidably connected to the detection box.

[0009] In one of the embodiments, the clamping assembly comprises a bidirectional screw rod and a clamping frame, the two bidirectional screw rods are rotatably connected to the middle part of the placing table, the two clamping frames are threadedly connected to the bidirectional screw rods, and the clamping frames are slidably connected to the placing table.

[0010] In one of the embodiments, the calibration assembly comprises a trackless cylinder, a mounting block, a laser instrument, a first motor, a rotating frame, a second motor and a camera, the trackless cylinder is connected to the front right part of the detection box, the mounting block is connected to the sliding block of the trackless cylinder, the laser instrument is connected to the mounting block, the first motor is connected to the upper side of the detection box, the rotating frame is rotatably connected to the middle part of the detection box, the output shaft of the first motor is connected to the rotating frame, the second motor is connected to the right side of the front and rear parts of the rotating frame, and the camera is rotatably connected to the front and rear parts of the rotating frame.

[0011] In one of the embodiments, the common screw rod is provided with a handle.

[0012] The beneficial effects are as follows: 1. The placing table is moved in or out, and then the three-axis turntable is installed, the three-axis turntable is clamped and calibrated by moving the clamping frame, or the three-axis turntable is removed after the clamping frame is separated, so that the three-axis turntable can be quickly calibrated in the center clamping state while being installed and removed, the operation is simple, the deviation is prevented, the error is reduced, the three-axis turntable is convenient to remove, the calibration efficiency and accuracy are improved, and the use is convenient.

[0013] 2. The mounting block and the laser instrument are moved, the laser beam emitted by the laser instrument is used as a reference line, the camera is rotated by the second motor, the camera is rotated and photographed by the first motor, so that the camera angle can be adjusted for omnidirectional shooting and data collection while the three-axis turntable is calibrated by adjusting the height of the laser instrument, the calibration precision is improved, the calibration comprehensiveness and reliability are improved, and the use flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional structure sectional view schematic view of the utility model.

[0016] Figure 3The utility model discloses a handle and sliding block etc. component's three-dimensional structure section view schematic drawing of this utility model.

[0017] Figure 4 The utility model discloses a bidirectional screw rod and clamping frame etc. component's three-dimensional structure section view schematic drawing of this utility model.

[0018] Figure 5 The utility model discloses a rotating frame and camera component's three-dimensional structure section view schematic drawing of this utility model.

[0019] In the drawing mark: 1 - detection box, 2 - rotation board, 3 - ordinary screw rod, 4 - handle, 5 - guide rod, 6 - sliding block, 7 - placing table, 8 - bidirectional screw rod, 9 - clamping frame, 10 - trackless air cylinder, 11 - mounting block, 12 - laser instrument, 13 - first motor, 14 - rotating frame, 15 - second motor, 16 - camera. DETAILED DESCRIPTION

[0020] The embodiment of the utility model is described in detail below with reference to the drawings.

[0021] A kind of quick calibration device of three-axis rotary table, such as Figures 1-5As shown, including detection box 1, rotating plate 2, handle 4, moving assembly, clamping assembly and calibration assembly, the detection box 1 upper front rotatingly connected with the rotating plate 2, the rotating plate 2 is transparent material, convenient for observing the internal calibration, the detection box 1 lower part is provided with moving assembly for moving three-axis turntable, moving assembly includes ordinary screw 3, guide rod 5, sliding block 6 and placing table 7, the detection box 1 right lower part is rotatably connected with the ordinary screw 3, the ordinary screw 3 front part is connected with the handle 4, convenient for hand rotating the ordinary screw 3, the detection box 1 left lower part is connected with the guide rod 5, the guide rod 5 is slidably connected with the sliding block 6, the ordinary screw 3 is connected with the sliding block 6 through thread, the sliding block 6 is slidably connected with the detection box 1, the placing table 7 is connected between the sliding block 6, moving assembly is provided with clamping assembly for center clamping three-axis turntable, clamping assembly includes bidirectional screw 8 and clamping frame 9, the placing table 7 middle part is rotatably connected with two bidirectional screws 8, the bidirectional screw 8 is connected with two clamping frames 9 through thread, the clamping frame 9 is slidably connected with the placing table 7, the detection box 1 is provided with calibration assembly for calibrating three-axis turntable, calibration assembly includes railless cylinder 10, mounting block 11, laser instrument 12, first motor 13, rotating frame 14, second motor 15 and camera 16, the detection box 1 right front part is connected with the railless cylinder 10, the slider of the railless cylinder 10 is connected with the mounting block 11, the mounting block 11 is connected with the laser instrument 12, the detection box 1 upper side is connected with the first motor 13, the detection box 1 middle part is rotatably connected with the rotating frame 14, the output shaft of the first motor 13 is connected with the rotating frame 14, the right side of the rotating frame 14 front and rear two parts is connected with the second motor 15, the rotating frame 14 front and rear two parts is rotatably connected with the camera 16, the camera 16 is connected with the output shaft of the same side second motor 15.

[0022] When the three-axis turntable needs to be quickly calibrated, the device can be used, so that the detection box 1 is in contact with the ground, and then the rotating plate 2 is opened by rotating, the rotating plate 2 is made of transparent material, which is convenient for observing the internal calibration condition, the ordinary screw rod 3 is rotated through the handle 4, and under the action of the screw thread, the right sliding block 6 moves along the detection box 1, so that the placement table 7 moves out, so that the left sliding block 6 moves along the guide rod 5, after moving out, the three-axis turntable is placed on the placement table 7, then the bidirectional screw rod 8 is rotated, under the action of the screw thread, the clamping frame 9 moves inwards and contacts the three-axis turntable at the same time, so that the three-axis turntable is centered, and then the ordinary screw rod 3 is reversely rotated through the handle 4, under the action of the screw thread, the right sliding block 6 reversely moves and resets, so that the placement table 7 reversely moves and resets, so that the left sliding block 6 reversely moves and resets, and then the three-axis turntable is driven to rotate into the detection box 1, then the rotating plate 2 is reversely rotated and closed, then the trackless air cylinder 10 is started, the sliding block on the trackless air cylinder 10 moves, the mounting block 11 and the laser instrument 12 move, after moving to a suitable height, the trackless air cylinder 10 is closed, then the laser instrument 12 is started to emit a laser beam as a reference line, the second motor 15 is started at the same time, the camera 16 is driven to rotate through the second motor 15, after adjusting to a suitable angle, the second motor 15 is closed, the first motor 13 is started again, the rotating frame 14 is driven to rotate through the first motor 13, and then the camera 16 is driven to rotate and shoot to collect data, then the micro motor on the three-axis turntable operates to automatically adjust the three-axis turntable, and then the quick calibration of the three-axis turntable is realized, so that the height of the laser instrument 12 is adjusted to calibrate the three-axis turntable, the angle of the camera 16 is adjusted to shoot and collect data in all directions, the calibration precision is improved, the calibration comprehensiveness and reliability are improved, the use flexibility is improved, after calibration is completed, the first motor 13, the laser instrument 12 and the camera 16 are closed, then the rotating plate 2 is opened by rotating, then the ordinary screw rod 3 is rotated through the handle 4, under the action of the screw thread, the right sliding block 6 moves, the placement table 7 moves out, and the left sliding block 6 moves, after moving out, the bidirectional screw rod 8 is reversely rotated by hand, under the action of the screw thread, the clamping frame 9 moves outwards and resets at the same time, then the three-axis turntable is taken down, then the ordinary screw rod 3 is reversely rotated through the handle 4, under the action of the screw thread, the right sliding block 6 reversely moves and resets, the placement table 7 reversely moves and resets, and the left sliding block 6 reversely moves and resets, then the rotating plate 2 is closed, so that the position of the placement table 7 is adjusted to load and unload the three-axis turntable while the three-axis turntable is centered and clamped for quick calibration, the operation is simple, deviation is prevented, errors are reduced, and the three-axis turntable is convenient to take down,Improve the calibration efficiency and accuracy, convenient to use.

[0023] The above merely illustrates the embodiments of the present application and is not intended to limit the present application. Any equivalent replacement made within the principles of the present application shall be included in the protection scope of the present application. The contents not described in detail in the present application belong to the prior art known to the skilled in the art.

Claims

1. A fast calibration device for a three-axis turntable, characterized by: The utility model relates to a three -axis turntable detection device, including detection box (1), rotating plate (2), moving assembly, clamping assembly and calibration assembly, detection box (1) upper portion rotation type connection has rotating plate (2) in front, detection box (1) lower part is equipped with the moving assembly for moving three -axis turntable, and moving assembly is equipped with the clamping assembly for the central clamping of three -axis turntable, and detection box (1) is equipped with the calibration assembly for the calibration of three -axis turntable.

2. The quick calibration device of a three-axis rotary table according to claim 1, characterized in that: The rotating plate (2) is transparent.

3. The quick calibration device of a three-axis rotary table according to claim 2, characterized in that: The moving assembly includes a common screw rod (3), a guide rod (5), a sliding block (6), and a placement table (7). The common screw rod (3) is rotationally connected to the lower right part of the detection box (1). The guide rod (5) is connected to the lower left part of the detection box (1). The sliding block (6) is slidingly connected to the guide rod (5). The sliding block (6) is threadedly connected to the common screw rod (3). The sliding block (6) is slidingly connected to the detection box (1). The placement table (7) is connected between the sliding blocks (6).

4. The quick calibration device of a three-axis rotary table according to claim 3, characterized in that: The clamping assembly includes a bidirectional screw rod (8) and a clamping frame (9). The bidirectional screw rod (8) is rotationally connected to the middle part of the placement table (7). The clamping frame (9) is slidingly connected to the placement table (7).

5. A rapid calibration device for a three-axis turntable as claimed in claim 4, characterized in that: The calibration assembly includes a trackless cylinder (10), a mounting block (11), a laser instrument (12), a first motor (13), a rotating frame (14), a second motor (15), and a camera (16). The trackless cylinder (10) is connected to the front right part of the detection box (1). The mounting block (11) is connected to the slider of the trackless cylinder (10). The laser instrument (12) is connected to the mounting block (11). The first motor (13) is connected to the upper side of the detection box (1). The rotating frame (14) is rotationally connected to the middle part of the detection box (1). The output shaft of the first motor (13) is connected to the rotating frame (14). The second motor (15) is connected to the right side of the front and rear parts of the rotating frame (14). The camera (16) is rotationally connected to the front and rear parts of the rotating frame (14). The output shaft of the second motor (15) is connected to the camera (16).

6. A rapid calibration device for a three-axis turntable as claimed in claim 5, characterized in that: The handle (4) is connected to the front part of the common screw rod (3).