High-precision calibration instrument

Abstract

The utility model discloses a high-precision calibration instrument, which belongs to the technical field of calibration instruments and is characterized in that a winding wheel servo motor is mounted on the other side of a calibration instrument mounting base, a winding wheel is mounted at the output end of the winding wheel servo motor, a first wire guide wheel is mounted on one side of the winding wheel, and a steel wire is sleeved between the first wire guide wheel and the winding wheel; a follower wheel control motor is installed on one side of the second encoder, a synchronous transmission assembly is installed between the second encoder and the follower wheel control motor, a swing arm assembly is installed on the first encoder, and a follow-up auxiliary assembly is installed on the synchronous transmission assembly. The weight of the collector is reduced, a follower wheel structure is adopted, it is guaranteed that the steel wire passes smoothly, the function that the steel wire is not broken and does not fall off can be guaranteed, a coil spring and a servo motor are adopted in the winder, force can be supplemented through the servo motor, and it is guaranteed that the pulling force of the stay wire is consistent.

Description

Technical Field

[0001] The utility model relates to a high-precision calibration instrument, belonging to the technical field of calibration instruments. Background Art

[0002] For example, a handheld optical calibrator disclosed in application number: 201710208736.1 includes: a shell, an input button is provided on the shell, a light source, a power supply and a control circuit board are provided in the shell, the input button is electrically connected to the control circuit board, and the light source is electrically connected to the power supply and the control circuit board respectively; a hole is opened on the shell, a rear flange end is provided at the opening, and a front flange end is provided on the rear flange end for use therewith, which is small in size and suitable for on-site inspections.

[0003] Based on the search and analysis, we concluded that the existing technology still has shortcomings:

[0004] The existing technology is affected by light during use, which can lead to inaccurate measurement data, low measurement accuracy, and inability to tighten the measuring piece. Therefore, a high-precision calibrator is needed to improve the above-mentioned shortcomings. Utility Model Content

[0005] The main purpose of the utility model is to provide a high-precision adjustable calibration instrument with a pull-wire structure.

[0006] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0007] A high-precision calibrator includes a calibrator mounting base for fixedly mounting equipment, with encoder 2 and encoder 1 respectively mounted on one side of the calibrator mounting base;

[0008] A winding wheel servo motor is installed on the other side of the calibration instrument installation base, and a winding wheel is installed on the output end of the winding wheel servo motor. A wire wheel 1 is installed on one side of the winding wheel, and a steel wire is sleeved between the wire wheel 1 and the winding wheel;

[0009] A follower wheel control motor is installed on one side of encoder 2, a synchronous transmission assembly is installed between encoder 2 and the follower wheel control motor, a swing arm assembly is installed on encoder 1, and a follower auxiliary assembly is installed on the synchronous transmission assembly.

[0010] Preferably, the synchronous transmission assembly includes a second swing arm transmission wheel, a second wire follower synchronous wheel, a wire follower, a synchronous belt, a first wire follower synchronous wheel and a linkage belt;

[0011] The output end of encoder 2 is equipped with a wire-shifting follower synchronous wheel 1, the output end of the wire-shifting follower synchronous wheel 1 is equipped with a swing arm 2 transmission wheel 2, the output end of the follower control motor is equipped with a wire-shifting follower synchronous wheel 2, a synchronous belt is provided between the swing arm 2 transmission wheel 2 and the wire-shifting follower synchronous wheel 2, and a wire-shifting follower is installed on one side of the swing arm 2 transmission wheel 2 on the wire-shifting follower synchronous wheel 1.

[0012] Preferably, the swing arm assembly includes a second swing arm, a first swing arm and a second guide wheel. The output end of the encoder is equipped with the first swing arm, the first swing arm is equipped with the second swing arm, and the second guide wheel is equipped with the second swing arm.

[0013] Preferably, the follow-up auxiliary assembly includes an auxiliary wheel, a second swing arm, a first transmission wheel and a linkage belt;

[0014] A swing arm second transmission wheel one is installed on the swing arm one, an auxiliary wheel is installed on one side of the swing arm one, and a linkage belt is sleeved on the swing arm second transmission wheel two, the auxiliary wheel and the swing arm second transmission wheel one.

[0015] Preferably, the steel wire is led out by a winding wheel, a first guide wheel, a wire-moving follower wheel, a second swing arm, a second guide wheel and a guide tube.

[0016] Preferably, the first swing arm transmission wheel, the auxiliary wheel and the second swing arm transmission wheel are linked together by a linkage belt.

[0017] Preferably, the second wire-moving follower synchronous wheel and the first wire-moving follower synchronous wheel are linked by a synchronous belt.

[0018] Preferably, a wire end point is installed at the outer end of the steel wire, the steel wire passes through the wire tube, and the wire end point is led out.

[0019] Preferably, the winding wheel servo motor drives the winding wheel to tighten and supplement the steel wire.

[0020] Beneficial technical effects of the utility model:

[0021] The utility model provides a high-precision calibration instrument,

[0022] 1- The new calibrator uses a servo winder to adjust the torque of the wire pulling to improve accuracy;

[0023] 2-The reel is set at the bottom to reduce the weight of the collector;

[0024] 3- The follower wheel structure is used to ensure that the steel wire passes smoothly and the wire is not disconnected or dropped;

[0025] 4-The wire reel uses a winding spring and a servo motor, which can compensate for the force of the servo motor to ensure consistent pulling force of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a high-precision calibration instrument according to a preferred embodiment of the present invention;

[0027] Figure 2 It is a partial schematic diagram of a preferred embodiment of a high-precision calibration instrument according to the utility model;

[0028] Figure 3 A side view of a driving structure of a preferred embodiment of a high-precision calibration instrument according to the present utility model;

[0029] Figure 4 It is an overall side view of a preferred embodiment of a high-precision calibrator according to the utility model.

[0030] In the figure: 1. Calibrator mounting base; 2. Encoder 2; 3. Encoder 1; 4. Swing arm 2; 5. Swing arm 1; 6. Swing arm 2 drive wheel 2; 7. Wire pulley follower synchronous wheel 2; 8. Follower wheel control motor; 9. Winding wheel servo motor; 10. Thread end point; 11. Wire pulley follower; 12. Auxiliary wheel; 13. Steel wire; 14. Synchronous belt; 15. Swing arm 2 drive wheel 1; 16. Wire pulley 1; 17. Winding wheel; 18. Wire tube; 19. Wire pulley follower synchronous wheel 1; 20. Wire pulley 2; 21. Linkage belt. DETAILED DESCRIPTION

[0031] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is described in further detail below with reference to embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0032] like Figure 1 - Figure 4 As shown, a high-precision calibrator provided in this embodiment includes a calibrator mounting base 1 for fixed installation of equipment, and an encoder 2 and an encoder 1 3 are respectively installed on one side of the calibrator mounting base 1;

[0033] A winding wheel servo motor 9 is installed on the other side of the calibration instrument mounting base 1, and a winding wheel 17 is installed on the output end of the winding wheel servo motor 9. A wire wheel 16 is installed on one side of the winding wheel 17, and a steel wire 13 is sleeved between the wire wheel 16 and the winding wheel 17;

[0034] A follower wheel control motor 8 is installed on one side of encoder 2, a synchronous transmission assembly is installed between encoder 2 and the follower wheel control motor 8, a swing arm assembly is installed on encoder 1, and a follower auxiliary assembly is installed on the synchronous transmission assembly.

[0035] The synchronous transmission assembly includes a swing arm second transmission wheel 2 6, a wire-pulling follower synchronous wheel 2 7, a wire-pulling follower 11, a synchronous belt 14, a wire-pulling follower synchronous wheel 19 and a linkage belt 21;

[0036] The output end of the encoder 2 is equipped with a wire-dipping follower wheel synchronous wheel 19, the output end of the wire-dipping follower wheel synchronous wheel 19 is equipped with a swing arm 2 transmission wheel 2 6, the output end of the follower wheel control motor 8 is equipped with a wire-dipping follower wheel synchronous wheel 2 7, a synchronous belt 14 is sleeved between the swing arm 2 transmission wheel 2 6 and the wire-dipping follower wheel synchronous wheel 2 7, and a wire-dipping follower wheel 11 is installed on one side of the swing arm 2 transmission wheel 2 6 on the wire-dipping follower wheel synchronous wheel 19.

[0037] The swing arm assembly includes a swing arm 2 4, a swing arm 1 5 and a guide wheel 2 20. The output end of the encoder 1 3 is installed with the swing arm 1 5, the upper portion of the swing arm 1 5 is installed with the swing arm 2 4, and the upper portion of the swing arm 2 4 is installed with the guide wheel 20.

[0038] The follow-up auxiliary assembly includes an auxiliary wheel 12, a swing arm second transmission wheel 15 and a linkage belt 21;

[0039] A swing arm second transmission wheel 15 is installed on the swing arm 1 5, an auxiliary wheel 12 is installed on one side of the swing arm 1 5, and a linkage belt 21 is provided on the swing arm second transmission wheel 2 6, the auxiliary wheel 12 and the swing arm second transmission wheel 15.

[0040] The steel wire 13 is led out by the winding wheel 17, the first guide wheel 16, the wire-moving follower wheel 11, the swing arm 24, the second guide wheel 20 and the guide tube 18.

[0041] The swing arm second transmission wheel 15, the auxiliary wheel 12 and the swing arm second transmission wheel 2 6 are linked together by a linkage belt 21.

[0042] The wire-shifting follower wheel synchronous wheel 2 7 and the wire-shifting follower wheel synchronous wheel 1 19 are linked by a synchronous belt 14.

[0043] The outer end of the steel wire 13 is installed with a wire end point 10. The steel wire 13 passes through the wire tube 18 and is led out through the wire end point 10.

[0044] The winding wheel servo motor 9 drives the winding wheel 17 to tighten the steel wire 13 to compensate for the force.

[0045] like Figure 1 - Figure 4As shown, the working process of a high-precision calibration instrument provided by this embodiment is as follows: the wire is extended from the winder, passes around the wire wheel 16 and the wire wheel 2 20, and extends out from the wire tube 18. The wire tube 18 is fixed on the swing arm 2 4 and the servo motor of the winding wheel 17 records the change of the wire length. The encoder 1 3 is connected to the swing arm 1 5, and the swing arm 2 4 is installed on the swing arm 1 5. The swing arm 2 4 and the swing arm 1 5 are at a 90-degree state. The encoder 1 4 detects the change of the wire tube 18 along the Y angle. The encoder 2 2 is connected through the swing arm 2 transmission wheel 1 15, the swing arm 2 transmission wheel 2 and the swing arm 2 transmission wire to detect the angle change of the wire tube in the X direction. The spatial angle X and Y angles of the known line are calculated by algorithm 6. The spatial coordinate value of the line head position can be calculated by adding the line length.

[0046] Example

[0047] like Figure 1 - Figure 4 As shown, the calibration instrument mounting base 1 is respectively equipped with an encoder 2 2 and an encoder 1 3, the driving end of the encoder 2 2 is equipped with a wire-drawing follower synchronous wheel 19, the outer side of the wire-drawing follower synchronous wheel 19 is equipped with a swing arm 2 transmission wheel 2 6, the output end of the encoder 1 3 is equipped with a swing arm 1 5, the swing arm 1 5 is equipped with an auxiliary wheel 12, one side of the 50 is equipped with a swing arm 2 4, the swing arm 2 4 is equipped with a wire wheel 20, the wire-drawing follower synchronous wheel 19 is equipped with a wire wheel 11, the bottom of the calibration instrument mounting base 1 is equipped with a wire wheel 16 corresponding to the wire-drawing follower 11, and the other side of the calibration instrument mounting base 1 is equipped with a winding wheel servo motor 9, The output end of the winding wheel servo motor 9 is equipped with a winding wheel 17, and the winding wheel 17, the wire wheel 16, the wire driving wheel 11, the wire wheel 20 and the swing arm 24 are respectively wound with a steel wire 13, and the steel wire 13 is led out through the swing arm 24 and the wire tube 18. A follower wheel control motor 8 is installed on one side of the encoder 22, and a wire driving wheel synchronous wheel 27 is installed on the output end of the follower wheel control motor 8. The wire driving wheel synchronous wheel 27 and the wire driving wheel synchronous wheel 19 are provided with a synchronous belt 14, and a swing arm 2 transmission wheel 15 is installed on one side of the swing arm 15, and a linkage belt 21 is provided on the swing arm 2 transmission wheel 26, the auxiliary wheel 12 and the swing arm 2 transmission wheel 15;

[0048] The wire is extended from the reel, passing around wire reels 16 and 20, and extending out of the wire tube 18. The wire tube 18 is fixed to the swing arm 2 4, and the servo motor of the winding reel 17 records the change in the wire length. The encoder 13 is connected to the swing arm 1 5, and the swing arm 2 4 is installed on the swing arm 1 5. The swing arm 2 4 and the swing arm 1 5 are at a 90-degree angle. The encoder 14 detects the change in the Y angle of the wire tube 18. The encoder 2 is connected to the swing arm 2 transmission wheel 15, the swing arm 2 transmission wheel 2, and the swing arm 2 transmission wire to detect the change in the angle of the wire tube in the X direction. The spatial angles X and Y of the known line are calculated using Algorithm 6. The spatial coordinates of the line end position can be calculated by adding the line length.

[0049] The new calibrator uses a servo winder to adjust the torque of the wire pulling to improve accuracy;

[0050] The reel is set at the bottom to reduce the weight of the collector;

[0051] The follower wheel structure is used to ensure that the steel wire passes smoothly and the wire will not be disconnected or dropped.

[0052] The wire reel uses a winding spring and a servo motor, which can compensate for the force of the servo motor to ensure consistent pulling force of the wire.

[0053] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and concept of the present invention within the scope disclosed by the present invention, which falls within the protection scope of the present invention.

Claims

1. A high-precision calibration instrument, comprising a calibration instrument mounting base (1) for fixedly mounting a device, wherein an encoder 2 (2) and an encoder 1 (3) are mounted on one side of the calibration instrument mounting base (1); Its characteristics are: A winding wheel servo motor (9) is installed on the other side of the calibration instrument installation base (1), a winding wheel (17) is installed on the output end of the winding wheel servo motor (9), a wire wheel (16) is installed on one side of the winding wheel (17), and a steel wire (13) is sleeved between the wire wheel (16) and the winding wheel (17); A follower wheel control motor (8) is installed on one side of the encoder 2 (2), a synchronous transmission assembly is installed between the encoder 2 (2) and the follower wheel control motor (8), a swing arm assembly is installed on the encoder 1 (3), and a follower auxiliary assembly is installed on the synchronous transmission assembly.

2. A high-precision calibration instrument according to claim 1, characterized in that: The synchronous transmission assembly comprises a second swing arm transmission wheel (6), a second wire-moving follower synchronous wheel (7), a wire-moving follower (11), a synchronous belt (14), a first wire-moving follower synchronous wheel (19) and a linkage belt (21); The output end of the encoder 2 (2) is equipped with a wire-moving follower wheel synchronous wheel 1 (19), the output end of the wire-moving follower wheel synchronous wheel 1 (19) is equipped with a swing arm 2 transmission wheel 2 (6), the output end of the follower wheel control motor (8) is equipped with a wire-moving follower wheel synchronous wheel 2 (7), a synchronous belt (14) is sleeved between the swing arm 2 transmission wheel 2 (6) and the wire-moving follower wheel synchronous wheel 2 (7), and a wire-moving follower wheel (11) is equipped on one side of the swing arm 2 transmission wheel 2 (6) on the wire-moving follower wheel synchronous wheel 1 (19).

3. A high-precision calibration instrument according to claim 2, characterized in that: The swing arm assembly comprises a second swing arm (4), a first swing arm (5) and a second guide wheel (20). The output end of the first encoder (3) is equipped with the first swing arm (5), the upper portion of the first swing arm (5) is equipped with the second swing arm (4), and the upper portion of the second swing arm (4) is equipped with the second guide wheel (20).

4. A high-precision calibration instrument according to claim 3, characterized in that: The follow-up auxiliary component includes an auxiliary wheel (12), a swing arm second transmission wheel (15) and a linkage belt (21); A swing arm second transmission wheel one (15) is installed on the swing arm one (5), an auxiliary wheel (12) is installed on one side of the swing arm one (5), and a linkage belt (21) is sleeved on the swing arm second transmission wheel two (6), the auxiliary wheel (12) and the swing arm second transmission wheel one (15).

5. A high-precision calibration instrument according to claim 4, characterized in that: The steel wire (13) is led out by a winding wheel (17), a first guide wheel (16), a wire-moving follower wheel (11), a second swing arm (4), a second guide wheel (20) and a guide tube (18).

6. A high-precision calibration instrument according to claim 5, characterized in that: The swing arm second transmission wheel 1 (15), the auxiliary wheel (12) and the swing arm second transmission wheel 2 (6) are linked together via a linkage belt (21).

7. A high-precision calibration instrument according to claim 6, characterized in that: The second wire-moving follower wheel synchronous wheel (7) and the first wire-moving follower wheel synchronous wheel (19) are linked and connected by a synchronous belt (14).

8. The high-precision calibration instrument according to claim 7, characterized in that: The outer end of the steel wire (13) is provided with a wire end point (10), the steel wire (13) passes through the wire tube (18), and the wire end point (10) is led out.

9. The high-precision calibration instrument according to claim 8, characterized in that: The winding wheel servo motor (9) drives the winding wheel (17) to tighten the steel wire (13) to provide additional force.

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