On-site multifunctional angle calibration device

Abstract

The utility model discloses an on-site multifunctional angle calibration device, which relates to the technical field of angle calibration, aims to solve the problem that a non-standard semi-arc-shaped structure angle measuring device cannot be calibrated on site in the prior art, and adopts the technical scheme that an encoder bracket is arranged on a bottom plate, an angle encoder is arranged on the encoder bracket, and an angle sensor is arranged on the angle encoder; the angle encoder is connected with a rotating rod through a coupler, the rotating rod is supported on a bottom plate through a bearing seat, a high-precision rotating sliding table is arranged on the right side of the rotating rod and comprises a coarse adjustment rotating disc, the coarse adjustment rotating disc is connected with the rotating rod, and the high-precision rotating sliding table is fixed to the bottom plate through a sliding table support. According to the utility model, the problem that a non-standard semi-arc-shaped structure angle measuring device cannot be calibrated on site is solved through the rotating rod, the angle encoder and other mechanisms, and a calibrated angle sensor or device can be quickly calibrated on site; the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of angle calibration, in particular to an on-site multifunctional angle calibration device. Background Art

[0002] Angle sensors are widely used in automotive parts testing equipment, such as angle encoders, encoders on servo motors, inclinometers, digital display angle meters, semi-arc structure angle measuring devices, etc. The existing calibration capability is to calibrate in the laboratory, which requires the angle sensor to be removed from the equipment and sent to the laboratory for calibration.

[0003] However, many actual needs now are to calibrate on-site and calibrate the entire angle test system. The existing laboratory equipment cannot meet the needs of online calibration, especially the non-standard semi-arc structure angle measurement device cannot be calibrated on-site in the laboratory, and most of the current calibration methods use flat plates, gauge blocks, and sine rulers to calibrate the angle values. The calibration is cumbersome and the operation is inconvenient. It cannot be achieved in most cases in actual on-site calibration. At present, there is an urgent need for a set of angle calibration devices for calibrating non-standard semi-arc structure angle measurement devices. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an on-site multifunctional angle calibration device, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned objectives, the utility model discloses an on-site multifunctional angle calibration device, which adopts the technical solution of comprising a base plate and a high-precision rotating slide, wherein the base plate is provided with an encoder bracket, the encoder bracket is provided with an angle encoder, the angle encoder is connected to a rotating rod through a coupling, the rotating rod is supported to the base plate through a first bearing seat and a second bearing seat, the high-precision rotating slide is provided on the right side of the rotating rod, the high-precision rotating slide comprises a coarse adjustment dial, the coarse adjustment dial is connected to the rotating rod, the high-precision rotating slide is fixed to the base plate through a slide bracket, and a semi-arc structure angle measuring device and an inclinometer are detachably connected to the rotating rod.

[0006] As a preferred technical solution of the utility model, an angle display instrument is provided outside the bottom plate, and the angle display instrument is electrically connected to the angle encoder for displaying parameters of the angle encoder and operating the angle encoder.

[0007] As a preferred technical solution of the utility model, a support seat is provided at the bottom of the base plate for fixing or placing on the equipment.

[0008] As a preferred technical solution of the utility model, the first bearing seat is located on the left side of the rotating rod, and the second bearing seat is located on the right side of the rotating rod. Bearings are provided inside the first bearing seat and the second bearing seat, so that the rotating rod is rotatably connected with the first bearing seat and the second bearing seat, which is used to support the rotating rod and make the rotating rod rotate more smoothly.

[0009] As a preferred technical solution of the utility model, a plane is provided on the rotating rod, a screw hole is provided on the plane, and the inclinometer is fixed to the rotating rod through the plane. The inclinometer has a magnetic suction function, and the inclinometer can be adsorbed on the plane. If the inclinometer is too large, it can be expanded by connecting a flat plate of different sizes through the screw hole.

[0010] As a preferred technical solution of the utility model, a flange is provided at the right end of the rotating rod, and the rotating rod is connected to the coarse adjustment dial through the flange and bolts.

[0011] As an optimal technical solution of the utility model, the semi-arc structure angle measuring device and the inclinometer are the devices to be measured, the semi-arc structure angle measuring device includes an angle sensor and a bracket, which are fixed to the rotating rod through the bracket, and the semi-arc structure angle measuring device and the inclinometer are electrically connected to the equipment.

[0012] As a preferred technical solution of the utility model, when the angle encoder has 25,000 lines, the display accuracy can reach 0.004°, and the accuracy of the calibration equipment can be selected according to needs.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model solves the problem of being unable to calibrate a non-standard semi-arc structure angle measuring device on site through mechanisms such as a rotating rod and an angle encoder, and can quickly calibrate the calibrated angle sensor or device on site, with convenient operation and high work efficiency. It can be calibrated directly on site without being removed from the equipment, and the calibration data is more accurate and true. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the structure of the high-precision rotating slide of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the rotating rod of the utility model.

[0018] In the figure: 1. Angle display instrument; 2. Base plate; 3. Angle encoder; 4. Encoder bracket; 5. Coupling; 6. First bearing seat; 7. Semi-arc structure angle measuring device; 8. Angle meter; 9. Rotating rod; 901. Flange; 902. Plane; 903. Screw hole; 10. Second bearing seat; 11. High-precision rotating slide; 1101. Locking screw; 1102. Differential head; 1103. Coarse and fine adjustment screws; 1104. Manual dial; 1105. Coarse adjustment dial; 1106. Fine adjustment dial; 12. Slide bracket; 13. Support seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] like Figures 1 to 4 As shown, the utility model discloses an on-site multifunctional angle calibration device, which adopts a technical solution comprising a base plate 2 and a high-precision rotating slide 11, wherein the base plate 2 is provided with an encoder bracket 4, and the encoder bracket 4 is provided with an angle encoder 3, wherein the angle encoder 3 is connected to a rotating rod 9 through a coupling 5, and the rotating rod 9 is supported on the base plate 2 through a first bearing seat 6 and a second bearing seat 10, wherein the first bearing seat 6 is located on the left side of the rotating rod 9, and the second bearing seat 10 is located on the right side of the rotating rod 9, wherein bearings are provided inside the first bearing seat 6 and the second bearing seat 10, and the rotating rod 9 is rotatably connected to the first bearing seat 6 and the second bearing seat 10 through the bearings. On the second bearing seat 10, a plane 902 is opened on the rotating rod 9, and a screw hole 903 is provided on the plane 902. The inclinometer 8 is adsorbed on the plane 902 by its own magnet. The semi-arc structure angle measuring device 7 is detachably connected to the rotating rod 9. A flange 901 is provided at the other end of the rotating rod 9. The rotating rod 9 is connected to the coarse adjustment dial 1105 on the high-precision rotating slide 11 through the flange 901. The high-precision rotating slide 11 is fixed to the base plate 2 through a slide bracket 12. A support seat 13 is provided at the bottom of the base plate 2. An angle display instrument 1 is provided outside the base plate 2, and the angle display instrument 1 is electrically connected to the angle encoder 3.

[0021] The working principle of the utility model is as follows: the semi-arc structure angle measuring device 7 is fixed to the rotating rod 9, or the inclinometer 8 is adsorbed on the plane 902, the value displayed on the semi-arc structure angle measuring device 7 or the inclinometer 8 on the equipment is adjusted to zero or cleared, the on-site multifunctional angle calibration device is powered on, the angle display instrument 1 is cleared, the coarse adjustment dial 1105 on the high-precision rotating slide 11 is rotated by the manual dial 1104 for coarse adjustment, the coarse adjustment dial 1105 and the fine adjustment dial 1106 are fixed together by the coarse and fine adjustment screws 1103, and fine adjustment is performed by rotating the differential head 1102 and the locking screw 1101, the coarse adjustment dial 1105 drives the rotating rod 9 to rotate, and the rotating rod 9 drives the semi-arc structure angle measuring device 7 or the inclinometer 8 to rotate, and at the same time, the rotating rod 9 drives the standard angle encoder 3 on the on-site multifunctional angle calibration device to rotate through the coupling 5, and the angle sensor of the measured semi-arc structure angle measuring device 7 or the inclinometer 8 is calibrated by the standard angle encoder 3.

[0022] The circuits and mechanical connections involved in the utility model are common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which are common knowledge.

[0023] Components not described in detail herein are prior art.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional on-site angle calibration device, comprising a base plate (2) and a high-precision rotating slide (11), characterized in that: The base plate (2) is provided with an encoder bracket (4), the encoder bracket (4) is provided with an angle encoder (3), the angle encoder (3) is connected to a rotating rod (9) via a coupling (5), the rotating rod (9) is supported on the base plate (2) via a first bearing seat (6) and a second bearing seat (10), the high-precision rotating slide (11) is provided on the right side of the rotating rod (9), the high-precision rotating slide (11) comprises a coarse adjustment dial (1105), the coarse adjustment dial (1105) is connected to the rotating rod (9), the high-precision rotating slide (11) is fixed to the base plate (2) via a slide bracket (12), and the semi-arc structure angle measuring device (7) and the inclinometer (8) are detachably connected to the rotating rod (9).

2. The on-site multifunctional angle calibration device according to claim 1, characterized in that: An angle display instrument (1) is disposed outside the base plate (2), and the angle display instrument (1) is electrically connected to the angle encoder (3).

3. The on-site multifunctional angle calibration device according to claim 2, characterized in that: A support seat (13) is provided at the bottom of the base plate (2).

4. The on-site multifunctional angle calibration device according to claim 1, characterized in that: The first bearing seat (6) is located on the left side of the rotating rod (9), and the second bearing seat (10) is located on the right side of the rotating rod (9). Bearings are provided inside the first bearing seat (6) and the second bearing seat (10), so that the rotating rod (9) is rotatably connected to the first bearing seat (6) and the second bearing seat (10).

5. The on-site multifunctional angle calibration device according to claim 4, characterized in that: A plane (902) is provided on the rotating rod (9), a screw hole (903) is provided on the plane (902), and the inclinometer (8) is fixed to the rotating rod (9) via the plane (902).

6. The on-site multifunctional angle calibration device according to claim 5, characterized in that: A flange (901) is provided at the right end of the rotating rod (9), and the rotating rod (9) is connected to the coarse adjustment rotating disk (1105) via the flange (901) and bolts.

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