A system for calibrating the accuracy of a clinometer

Abstract

The application discloses a calibrating system for inclinometer precision, which comprises a calibration rotary mechanism and a control mechanism. The calibration rotary mechanism comprises a machine base, a rotating shaft, a detection tool and an angle measuring assembly. The rotating shaft is rotatably installed on the machine base and connected with a driving motor. The detection tool is connected with the first end of the rotating shaft, and the inclinometer to be calibrated is installed on the detection tool. The angle measuring assembly is installed on the second end of the rotating shaft. The control mechanism is electrically connected with the driving motor, the angle measuring assembly and the inclinometer. The control mechanism can control the driving motor to drive the rotating shaft to rotate forward or reversely, and transmit the collected calibration data to the inclinometer, so that the calibration of the inclinometer is realized. The calibrating system for inclinometer precision does not need manual data collection and processing, and is completed by the control mechanism. The calibrating system is simple to operate and greatly improves the calibration efficiency, so that the problem of inconvenient operation and low work efficiency caused by manual calibration of the traditional inclinometer precision is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of instrument calibration, relates to an inclinometer precision calibration, and particularly relates to an inclinometer precision calibration system. Background Art

[0002] The traditional inclinometer precision calibration is done manually, which is not only inconvenient to operate and has low work efficiency, but also has low calibration accuracy. Therefore, it is necessary to propose a new inclinometer precision calibration device. Summary of the Invention

[0003] The purpose of the present invention is to provide an inclinometer precision calibration system to solve the problems of low work efficiency and low calibration accuracy caused by the need for manual operation of existing calibration equipment.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides an inclinometer precision calibration system, comprising:

[0006] A calibration rotary mechanism includes a base, a rotating shaft, a detection fixture, and an angle measurement assembly. The rotating shaft is rotatably mounted on the base, and a drive motor is provided in the base. The drive motor is connected to the rotating shaft to drive the rotating shaft to rotate. The detection fixture is connected to a first end of the rotating shaft, and the inclinometer tube to be calibrated is mounted on the detection fixture. The angle measurement assembly is mounted on the second end of the rotating shaft and is used to detect the deflection angle of the inclinometer tube.

[0007] A control mechanism is electrically connected to the drive motor, the angle measuring assembly and the inclinometer tube.

[0008] Optionally, the detection tooling includes:

[0009] A large V-shaped block, the large V-shaped block being arranged on a large V-shaped block mounting seat, and the large V-shaped block mounting seat being connected to the machine base via a mounting mechanism;

[0010] a small V-block, the small V-block being located on a side of the large V-block away from the machine base, the inclinometer casing being installed between the small V-block and the large V-block; the side of the small V-block away from the large V-block being connected to a small V-block fixing frame;

[0011] A locking screw is threadedly connected to the small V-block fixing bracket and is used to tighten the inclinometer casing.

[0012] Optionally, the mounting mechanism includes a two-dimensional adjustable platform, the first end of the rotating shaft is fixedly connected to a table top, the two-dimensional adjustable platform is connected to the table top through a transition plate, the large V-block mounting seat is installed on the two-dimensional adjustable platform, and the two-dimensional adjustable platform can adjust the position of the detection tooling in a vertical plane, and the vertical plane is perpendicular to the axis of the rotating shaft.

[0013] Optionally, the two-dimensionally adjustable platform includes a turbine and a worm gear engaged with the turbine, the worm gear is connected to an adjustment handle, and the large V-block mounting seat is fixedly mounted on the axis of the turbine.

[0014] Optionally, a motor stator seat is provided in the machine base, the stator of the drive motor is connected to the motor stator seat, and the rotor of the drive motor is connected to the rotating shaft.

[0015] Optionally, the angle measuring component includes:

[0016] an angle encoder, the angle encoder being electrically connected to the control mechanism;

[0017] An encoder stator seat is mounted on the machine base and connected to the stator of the angle encoder;

[0018] An encoder rotor seat is mounted on the rotating shaft and connected to the rotor of the angle encoder.

[0019] Optionally, a first bearing assembly and a second bearing assembly are respectively provided between the first end and the second end of the rotating shaft and the machine base, wherein:

[0020] The first bearing assembly includes a first bearing end cover, a first bearing seat, and a first angular contact ball bearing. The first bearing end cover and the first bearing seat are sequentially arranged along a direction extending from the first end to the second end. The first bearing seat is connected to the machine base. The first bearing end cover is connected to the first bearing seat. Two groups of the first angular contact ball bearings are arranged between the first bearing end cover and the first bearing seat, and a spacer is provided between the two groups of the first angular contact ball bearings. The outer ring of each group of the first angular contact ball bearings is connected to the first bearing seat, and the inner ring of each group of the first angular contact ball bearings is connected to the rotating shaft.

[0021] The second bearing assembly includes a second bearing end cover, a second bearing seat and a second angular contact ball bearing. The second bearing end cover and the second bearing seat are arranged in sequence along the direction extending from the second end to the first end. The second bearing seat is connected to the machine base, and the second bearing end cover is connected to the second bearing seat. Two groups of second angular contact ball bearings are arranged between the second bearing end cover and the second bearing seat, and a spacer ring is arranged between the two groups of second angular contact ball bearings. The outer ring of each group of second angular contact ball bearings is connected to the second bearing seat, and the inner ring of each group of second angular contact ball bearings is connected to the rotating shaft.

[0022] Optionally, an angular limiting mechanism is further provided between the rotating shaft and the base, and the angular limiting mechanism includes:

[0023] A mechanical limit mechanism, comprising a spring plunger and a rotating block. Two spring plungers are provided, each of which is mounted on the first bearing seat via a spring plunger seat, and the two spring plungers are mounted at a set angle. The rotating block is disposed at the first end of the rotating shaft and is coplanar with the two spring plungers. The rotating block can trigger any one of the spring plungers.

[0024] A photoelectric limit mechanism, comprising a fan-shaped baffle and a photoelectric sensor, wherein the fan-shaped baffle is disposed at the second end of the rotating shaft, and two photoelectric sensors are provided, each of which is mounted on the machine base via a sensor mounting base, and the two photoelectric sensors are mounted at a 90° central angle, and the fan-shaped baffle can trigger any one of the photoelectric sensors;

[0025] The set angle = 90° - the central angle of the sector baffle.

[0026] Optionally, it further includes a leveling base and a marble workbench arranged on the upper surface of the leveling base, and the machine base is installed on the marble workbench.

[0027] Optionally, the control mechanism includes a control unit, a printer, an industrial computer and a cabinet, the control unit is arranged on the leveling base, the printer and the industrial computer are arranged on the cabinet, the printer and the control unit are electrically connected to the industrial computer, the control unit is electrically connected to the drive motor and the angle measurement assembly, and the industrial computer is electrically connected to the inclinometer tube.

[0028] Optionally, the industrial computer is a desktop computer.

[0029] Compared with the prior art, the present invention has achieved the following technical effects:

[0030] The inclinometer precision calibration system of the present invention uses a control mechanism to control the drive motor in the calibration rotary mechanism to drive the rotating shaft in forward or reverse rotation, and transmits the collected calibration data to the inclinometer casing, thereby calibrating the casing. This inclinometer precision calibration system eliminates the need for manual data collection and processing; the control mechanism performs all of this work, simplifying operation and significantly improving calibration efficiency. This solves the problem of inconvenience and low efficiency associated with manual calibration of conventional inclinometers. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 This is a schematic diagram of the overall structure of the inclinometer precision calibration system disclosed in an embodiment of the present invention;

[0033] Figure 2 A schematic structural diagram of a calibration rotary mechanism disclosed in an embodiment of the present invention;

[0034] Figure 3 A schematic structural diagram of a mechanical limiting mechanism disclosed in an embodiment of the present invention;

[0035] Figure 4 This is a schematic structural diagram of the photoelectric limiting mechanism disclosed in an embodiment of the present invention.

[0036] Wherein, the accompanying drawings are marked as follows:

[0037] 1-calibration rotary mechanism, 2-marble platform, 3-leveling base, 4-control unit, 5-printer, 6-industrial computer, 7-cabinet, 8-locking screw, 9-small V-block fixing bracket, 10-small V-block, 11-inclinometer tube, 12-large V-block, 13-large V-block mounting seat, 14-two-dimensional adjustable platform, 15-transition plate, 16-table, 17-outer cover, 18-machine base, 19-motor stator seat, 20-drive motor, 21-right bearing bracket, 22-encoder stator seat, 23-encoder rotor, 24-encoder Encoder stator, 25-encoder rotor seat, 26-cable fixing plate, 27-right cover, 28-right bearing end cover, 29-right angular contact ball bearing, 30-right outer spacer, 31-right inner spacer, 32-right bearing seat, 33-locking nut, 34-left outer spacer, 35-left inner spacer, 36-left angular contact ball bearing, 37-left bearing seat, 38-left bearing end cover, 39-rotating shaft, 40-rotating block, 41-spring plunger seat, 42-spring plunger, 43-sector piece, 44-sensor mounting seat, 45-photoelectric sensor. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] One of the purposes of the present invention is to provide an inclinometer precision calibration system to solve the problems of low work efficiency and low calibration accuracy caused by the manual operation of existing calibration equipment.

[0040] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0041] Example 1

[0042] like Figures 1 to 4As shown, this embodiment provides an inclinometer precision calibration system. This fully automatic inclinometer calibration system primarily includes a calibration rotary mechanism 1, a marble platform 2, a leveling base 3, a control unit 4, a printer 5, an industrial computer 6, and a cabinet 7. The marble platform 2 is disposed on the upper surface of the leveling base 3, and the calibration rotary mechanism 1 is mounted on the upper surface of the marble platform 2. The control unit 4 is disposed on the second floor of the leveling base 3, and the calibration rotary mechanism 1 is electrically connected to the control unit 4. A cabinet 7 is disposed on one side of the leveling base 3, on which a printer 5 and an industrial computer 6 are placed. Both the control unit 4 and the printer 5 are electrically connected to the industrial computer 6. The industrial computer 6 is installed with a host computer software application. This host computer software application controls the reciprocating rotation of the calibration rotary mechanism 1 in the vertical plane. The host computer software application transmits the collected calibration data to the inclinometer casing 11, thereby calibrating the inclinometer casing 11. The printer 5 is primarily used to print paper documents such as the calibration results.

[0043] In this embodiment, the calibration rotary mechanism 1 includes a base 18, a left bearing assembly (i.e., the aforementioned first bearing assembly), a drive assembly, a right bearing assembly (i.e., the aforementioned second bearing assembly), an angle measuring assembly, a detection tool, and a two-dimensionally adjustable platform 14. The detection tool includes a locking screw 8, a small V-block fixing frame 9, a small V-block 10, a large V-block 12, and a large V-block mounting seat 13. The small V-block 10 is mounted on the small V-block fixing frame 9, and the large V-block 12 is mounted on the large V-block mounting seat 13. The inclinometer tube 11 is mounted between the small V-block 10 and the large V-block 12 and is tightened by the locking screw 8. The large V-block mounting seat 13 of the detection tool is fixed to the two-dimensionally adjustable platform 14 by screws. The two-dimensionally adjustable platform 14 is transferred to the table 16 of the calibration rotary mechanism 1 via a transition plate 15. The table 16 is connected to the left end of the rotating shaft 39 by screws and can rotate synchronously with the rotating shaft 39. A bearing assembly is provided at each end of the rotating shaft 39, that is, the left bearing assembly is installed between the left end of the rotating shaft 39 and the base 18, and the right bearing assembly is installed between the right end of the rotating shaft 39 and the base 18. Figure 2 As shown, the left bearing assembly (i.e., the aforementioned first bearing assembly) includes a locking nut 33, a left outer spacer 34, a left inner spacer 35, a left angular contact ball bearing 36, a left bearing seat 37 and a left bearing end cover 38, and the right bearing assembly (i.e., the aforementioned second bearing assembly) includes a right bearing end cover 28, a right angular contact ball bearing 29, a right outer spacer 30, a right inner spacer 31 and a right bearing seat 32.

[0044] In this embodiment, the two-dimensionally adjustable platform 14 is primarily used to adjust the position of the inspection tool within a vertical plane perpendicular to the axis of the rotating shaft 39. Specifically, the two-dimensionally adjustable platform 14 is a conventional two-dimensional adjustment mechanism, comprising a turbine and a worm gear meshing with the turbine. The worm gear is connected to an adjustment handle, and a large V-block mounting base is fixedly mounted to the turbine axis. Manually operating the adjustment handle to drive the worm gear forward or reverse rotation drives the turbine clockwise or counterclockwise, thereby driving the large V-block mounting base to rotate synchronously, thereby adjusting the vertical position of the inclinometer tube 11 on the large V-block mounting base, ensuring that the inclinometer tube 11 is vertical and in the zero position before each test. In actual operation, the two-dimensionally adjustable platform 14 also includes a housing, for example, the turbine and worm gear are mounted within the housing, and the adjustment handle extends from the housing surface. This is all prior art and will not be further described here.

[0045] In this embodiment, the leveling base 3 includes four screws, which are respectively arranged at the four corners of the marble platform 2. One of the screws is fixed, and the other three screws can be rotated up or down to adjust the flatness of the marble platform 2. The above-mentioned leveling base 3 is an existing conventional leveling device and will not be described in detail here.

[0046] In this embodiment, the drive assembly includes a motor stator base 19 and a drive motor 20. The outer ring of the drive motor 20 is fixed to the motor stator base 19, which is connected to the machine base 18. The rotor of the drive motor 20 is connected to the rotating shaft 39 to drive the rotating shaft 39 to rotate. An angle measurement assembly is provided at the right end of the rotating shaft 39. The angle measurement assembly includes an encoder stator base 22, an encoder rotor 23, an encoder stator 24, and an encoder rotor base 25. The encoder stator base 22 is fixed to the machine base 18, the encoder stator 24 is connected to the encoder stator base 22, the encoder rotor 23 is connected to the encoder rotor base 25, and the encoder rotor base 25 is connected to the rotating shaft 39.

[0047] In this embodiment, an angular limiting mechanism is further provided between the rotating shaft 39 of the calibration rotary mechanism 1 and the machine base 18 . The angular limiting mechanism includes a mechanical limiting mechanism and a photoelectric limiting mechanism respectively provided at both ends of the rotating shaft 39 . Among them, the mechanical limit mechanism is arranged at the left end of the rotating shaft 39, including a spring plunger 42 and a rotating block 40. Two spring plungers 42 at a set angle are fixedly provided on the left bearing seat 37 of the left bearing assembly. The spring plunger 42 is connected to the left bearing seat 37 through a spring plunger seat 41. The rotating block 40 is connected to the rotating shaft 39, and the rotating block 40 and the spring plunger 42 are in the same plane. When the rotating block 40 rotates with the rotating shaft 39, it can trigger the spring plunger 42; the photoelectric limit mechanism is arranged at the right end of the rotating shaft 39, which includes a fan-shaped baffle 43 and a photoelectric sensor 45. One fan-shaped baffle 43 is provided and connected to the rotating shaft 39. Two photoelectric sensors 45 are provided, and the two photoelectric sensors 45 are provided at a central angle of 90° on the base 18 of the calibration rotary mechanism 1. The fan-shaped baffle 43 can trigger the photoelectric sensor 45. The set angle between the above two spring plungers 42 = 90°-the central angle of the fan-shaped baffle 43. When the inclinometer tube 11 rotates to a critical angle of -45° or +45°, the rotating block 40 contacts one of the spring plungers 42. Simultaneously, the fan-shaped baffle 43 triggers one of the photoelectric sensors 45. The control unit 4 then stops the drive motor 20, causing the spring plunger 42 to compress, absorbing energy and reducing mechanical vibration, thereby achieving a smooth rotation limit. The mechanical and photoelectric limit mechanisms work together to provide dual limit protection. Preferably, each photoelectric sensor 45 is mounted on the machine base 18 via a sensor mounting bracket 44.

[0048] In this embodiment, the industrial computer 6 is a desktop computer with a host and a display screen.

[0049] The operating principle of the above-mentioned inclinometer precision calibration system is as follows: In the initial state, the inclinometer tube 11 is in the vertical zero position. The host computer software within the industrial computer 6 controls the drive motor 20 in the calibration rotary mechanism 1 to rotate the rotating shaft 39 one full rotation forward and one full rotation counterclockwise, within a rotation range of ±90°. The host computer software transmits the collected calibration data to the inclinometer tube 11, thereby completing the calibration of the inclinometer tube. This inclinometer precision calibration system eliminates the need for manual data collection and processing; all data collection and processing is performed entirely by the control unit. This not only simplifies operation but also greatly improves calibration efficiency, thus resolving the inconvenience and low efficiency inherent in traditional inclinometer precision calibration, which is often performed manually.

[0050] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention, and any reference signs in the claims should not be construed as limiting the claims to which they relate.

[0051] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. An inclinometer precision calibration system, characterized in that: include: The calibration rotary mechanism includes a machine base, a rotating shaft, a detection tool and an angle measuring component. The rotating shaft is rotatably mounted on the machine base. A drive motor is provided in the machine base. The drive motor is connected to the rotating shaft to drive the rotating shaft to rotate. The detection tool is connected to the first end of the rotating shaft. The inclinometer tube to be calibrated is installed on the detection tool. The detection tool includes a large V-block, a small V-block and a locking screw. The large V-block is provided on a large V-block mounting seat. The large V-block mounting seat is connected to the machine base through a mounting mechanism. The mounting mechanism includes The invention also includes a two-dimensionally adjustable platform, wherein the two-dimensionally adjustable platform can adjust the position of the detection fixture in a vertical plane, wherein the vertical plane is perpendicular to the axis of the rotating shaft; the small V-block is located on a side of the large V-block away from the machine base, and the inclinometer tube is installed between the small V-block and the large V-block; the side of the small V-block away from the large V-block is connected to the small V-block fixing bracket, and the locking screw is threadedly connected to the small V-block fixing bracket for tightening the inclinometer tube; the angle measuring assembly is installed at the second end of the rotating shaft for detecting the deflection angle of the inclinometer tube; An angular limit mechanism is also provided between the rotating shaft and the machine base, the angular limit mechanism includes a mechanical limit mechanism and a photoelectric limit mechanism, the mechanical limit mechanism includes a spring plunger and a rotating block, two spring plungers are provided, each of the spring plungers is mounted on the first bearing seat between the first end of the rotating shaft and the machine base through a spring plunger seat, and the two spring plungers are installed at a set angle; the rotating block is provided at the first end of the rotating shaft and is in the same plane as the two spring plungers, and the rotating block can trigger any one of the spring plungers; the photoelectric limit mechanism includes a fan-shaped baffle and a photoelectric sensor, the fan-shaped baffle is provided at the second end of the rotating shaft, two photoelectric sensors are provided, each of the photoelectric sensors is mounted on the machine base through a sensor mounting seat, and the two photoelectric sensors are mounted at a 90° central angle, and the fan-shaped baffle can trigger any one of the photoelectric sensors; the set angle = 90° - the central angle of the fan-shaped baffle; A control mechanism is electrically connected to the drive motor, the angle measuring assembly and the inclinometer tube.

2. The inclinometer precision calibration system according to claim 1, characterized in that: The first end of the rotating shaft is fixedly connected to a table top, the two-dimensionally adjustable platform is connected to the table top through a transition plate, and the large V-block mounting seat is mounted on the two-dimensionally adjustable platform.

3. The inclinometer precision calibration system according to claim 2, characterized in that: The two-dimensional adjustable platform includes a turbine and a worm gear meshed with the turbine. The worm gear is connected to an adjustment handle. The large V-block mounting seat is fixedly mounted on the axis of the turbine.

4. The inclinometer precision calibration system according to any one of claims 1 to 3, characterized in that: A motor stator seat is provided in the machine base, the stator of the drive motor is connected to the motor stator seat, and the rotor of the drive motor is connected to the rotating shaft.

5. The inclinometer precision calibration system according to any one of claims 1 to 3, characterized in that: The angle measuring assembly comprises: an angle encoder, the angle encoder being electrically connected to the control mechanism; An encoder stator seat is mounted on the machine base and connected to the stator of the angle encoder; An encoder rotor seat is mounted on the rotating shaft and connected to the rotor of the angle encoder.

6. The inclinometer precision calibration system according to any one of claims 1 to 3, characterized in that: A first bearing assembly and a second bearing assembly are respectively provided between the first end and the second end of the rotating shaft and the machine base, wherein: the first bearing assembly includes a first bearing end cover, a first bearing seat and a first angular contact ball bearing, the first bearing end cover and the first bearing seat are sequentially arranged along a direction extending from the first end to the second end, the first bearing seat is connected to the machine base, the first bearing end cover is connected to the first bearing seat, two groups of the first angular contact ball bearings are provided between the first bearing end cover and the first bearing seat, and a spacer is provided between the two groups of the first angular contact ball bearings, the outer ring of each group of the first angular contact ball bearings is connected to the first bearing seat, and the inner ring of each group of the first angular contact ball bearings is connected to the rotating shaft; The second bearing assembly includes a second bearing end cover, a second bearing seat and a second angular contact ball bearing. The second bearing end cover and the second bearing seat are arranged in sequence along the direction extending from the second end to the first end. The second bearing seat is connected to the machine base, and the second bearing end cover is connected to the second bearing seat. Two groups of second angular contact ball bearings are arranged between the second bearing end cover and the second bearing seat, and a spacer ring is arranged between the two groups of second angular contact ball bearings. The outer ring of each group of second angular contact ball bearings is connected to the second bearing seat, and the inner ring of each group of second angular contact ball bearings is connected to the rotating shaft.

7. The inclinometer precision calibration system according to any one of claims 1 to 3, characterized in that: It also includes a leveling base and a marble workbench arranged on the upper surface of the leveling base, and the machine base is installed on the marble workbench.

8. The inclinometer precision calibration system according to claim 7, characterized in that: The control mechanism includes a control unit, a printer, an industrial computer and a cabinet. The control unit is arranged on the leveling base, the printer and the industrial computer are arranged on the cabinet, the printer and the control unit are electrically connected to the industrial computer, the control unit is electrically connected to the drive motor and the angle measurement assembly, and the industrial computer is electrically connected to the inclinometer tube.

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