A measuring instrument calibration apparatus

Abstract

The application relates to a measuring instrument calibration device and relates to the field of measuring instrument calibration devices. The device comprises a device seat, the upper end face of the device seat is provided with a first mounting seat and a second mounting seat on the two sides respectively, the first mounting seat and the second mounting seat are fixedly connected with the device seat, the upper end face of the first mounting seat is vertically provided with a positioning frame, the positioning frame is fixedly connected with the first mounting seat, a pressing assembly is threadedly connected on the positioning frame, and a calibration rod group is horizontally arranged on the second mounting seat. The measuring instrument calibration device can conveniently realize horizontal movement of the calibration rod group and up-down movement of the pressing assembly through rotating threaded vertical rods of the calibration rod group and the pressing assembly, and the operation is simple and easy to understand. Meanwhile, the setting of the scale and the moving amount frame makes reading of measurement data more intuitive, and an operator can quickly and accurately acquire required calibration data.

Description

Technical Field

[0001] This application relates to the technical field of measuring instrument calibration equipment, and in particular to a measuring instrument calibration equipment. Background Technology

[0002] In many fields, such as industrial production and scientific research, the accuracy of measuring instruments plays a crucial role in ensuring product quality and the reliability of experimental results. Taking parts processing equipment as an example, laser measuring instruments are often used in the processing of precision mechanical parts to measure and provide feedback on processing dimensions and positional accuracy, so as to adjust processing parameters in real time and ensure that the processing accuracy of parts meets design requirements.

[0003] However, in actual use, the measurement accuracy of laser measuring instruments often deviates after a period of frequent use. This is because the optical components inside the measuring instrument may be affected by factors such as dust and vibration, causing changes in the optical path and thus affecting the accuracy of the measurement results. At the same time, the electronic components of the instrument may also experience aging and temperature drift after long-term operation, further reducing the measurement accuracy.

[0004] Regarding the aforementioned technologies, it has been found that current calibration equipment on the market is complex to operate, requiring professional technicians to spend a significant amount of time on debugging and operation. This not only increases calibration costs but also reduces calibration efficiency. Furthermore, these calibration devices are not intuitive in terms of data reading, making it difficult for operators to quickly and accurately obtain the data required for calibration. Utility Model Content

[0005] To facilitate easy calibration operations, this application provides a measurement instrument calibration device.

[0006] The measuring instrument calibration device provided in this application adopts the following technical solution:

[0007] A measuring instrument calibration device includes a base. A first mounting base and a second mounting base are respectively mounted on both sides of the upper surface of the base. Both the first and second mounting bases are fixedly connected to the base. A positioning frame is vertically mounted on the upper surface of the first mounting base, and the positioning frame is fixedly connected to the first mounting base. A holding assembly is threaded onto the positioning frame. A calibration rod assembly is horizontally mounted on the second mounting base, and the calibration rod assembly is threadedly connected to the second mounting base. A scale is positioned directly below the calibration rod assembly, and one end of the scale is fixedly mounted on one side of the second mounting base. A movable measuring frame that cooperates with the calibration rod assembly and the scale is also mounted on the upper surface of the base, and the movable measuring frame is slidably connected to the base.

[0008] By adopting the above technical solution, the equipment base provides a stable support foundation for the entire device, ensuring stable use during calibration and enabling precise calibration operations. A first mounting base and a second mounting base are installed on opposite sides of the upper surface of the equipment base. During use, the first and second mounting bases can be used to install key components such as the positioning frame and calibration rod assembly, ensuring the stability of each component's installation. The clamping components on the positioning frame can fix the instrument to be calibrated, preventing movement during calibration and improving calibration accuracy. The calibration rod assembly is threadedly connected to the second mounting base. Rotating the calibration rod assembly allows for precise control of its horizontal movement. When the instrument to be calibrated (laser rangefinder) is placed on the positioning frame, distance measurements can be directly taken at one end of the rotating calibration rod assembly. Multiple distance measurements can then be performed by rotating the calibration rod assembly. Finally, in conjunction with a ruler and a moving measuring frame, relevant data during the calibration process can be accurately measured, providing a reliable basis for calibration. Calibration is then performed by comparing the actual measured distance with the distance measured by the instrument to be calibrated.

[0009] Optionally, the first mounting base includes a housing and a platform for placing the instrument to be calibrated. The housing is fixedly mounted on the upper surface of the equipment base, and the platform is fixedly mounted on the upper surface of the housing.

[0010] By adopting the above technical solution, the first mounting base uses a structure design of a housing and a placement platform. The housing is fixed to the equipment base, providing stable support for the placement platform. The placement platform is used to place the instrument to be calibrated, and its flat surface ensures the stability of the instrument, preventing instability from affecting the calibration results. At the same time, this structural design makes the installation and disassembly of the first mounting base more convenient, facilitating equipment maintenance and upgrades.

[0011] Optionally, the second mounting base includes a vertical base and a horizontal solenoid for mounting the calibration rod assembly. The vertical base is vertically fixed to the upper end face of the equipment base, and the horizontal solenoid is installed in the vertical base and fixedly connected to the vertical base.

[0012] By adopting the above technical solution, the upright of the second mounting base is vertically fixed on the equipment base, providing stable support for the horizontal solenoid. The horizontal solenoid is used to install the calibration rod assembly, and its threaded structure ensures the precise horizontal movement of the calibration rod assembly. By rotating the calibration rod assembly and utilizing the principle of threaded transmission, minute displacement adjustments of the calibration rod assembly can be achieved, thereby enabling measurement adjustments at different distances during the calibration process. Furthermore, the fixed connection between the upright and the horizontal solenoid ensures the structural stability of the entire second mounting base, reducing errors during the calibration process.

[0013] Optionally, the positioning frame includes a vertical frame and a longitudinal threaded tube for mounting the pressure holding assembly. The vertical frame is vertically fixed to the upper surface of the placement platform, and the longitudinal threaded tube is fixedly installed in the middle of the front end face of the vertical frame.

[0014] By adopting the above technical solution, the vertical frame of the positioning bracket is fixed to the placement platform, providing stable support for the longitudinal solenoid. The longitudinal solenoid is used to install the holding assembly, and its position is set in the middle of the front face of the vertical frame, allowing the holding assembly to accurately hold the instrument to be calibrated. This structural design ensures the installation stability and holding effect of the holding assembly, effectively preventing the instrument from shaking during calibration and improving the accuracy of calibration.

[0015] Optionally, the pressing assembly includes a threaded vertical rod and an auxiliary pressing block. The threaded vertical rod is installed in a longitudinal threaded tube, and the auxiliary pressing block is installed at the lower end of the threaded vertical rod, and the auxiliary pressing block is rotatably connected to the threaded vertical rod.

[0016] By adopting the above technical solution, the threaded vertical rod of the clamping assembly is installed in the longitudinal threaded tube. Rotating the threaded vertical rod allows the auxiliary clamping block to move up and down. The auxiliary clamping block is rotatably connected to the threaded vertical rod, allowing it to better adapt to the surface shape of the instrument during clamping, thus avoiding damage. Simultaneously, this rotatable connection ensures a uniform distribution of clamping force, improving clamping stability and guaranteeing a smooth calibration process.

[0017] Optionally, the calibration rod assembly includes a threaded crossbar, a test rod, and an outer rod, with the test rod and outer rod disposed at both ends of the threaded crossbar, and the threaded crossbar, test rod, and outer rod being integrally formed.

[0018] By adopting the above technical solution, the threaded crossbar, test rod, and outer rod of the calibration rod assembly are integrally molded, ensuring the structural strength and stability of the entire calibration rod assembly. The threaded crossbar cooperates with the horizontal solenoid, and the horizontal movement of the calibration rod assembly can be achieved by rotating the threaded crossbar. The test rod is used for measurement with the instrument to be calibrated, while the outer rod facilitates rotation by the operator. The integrally molded structural design reduces connection errors between components and improves calibration accuracy.

[0019] Optionally, the movable measuring frame includes a slider, a vertical plate, and a reinforcing support. The vertical plate is vertically installed at the center of the upper surface of the slider, and the lower end of the vertical plate is fixedly connected to the slider. The reinforcing support is fixedly installed between the slider and the vertical plate.

[0020] By adopting the above technical solution, the movable measuring frame is designed with a sliding block, a vertical plate, and a reinforcing support. During use, the sliding block is mounted on a horizontal slide rail and can slide freely on the equipment base. The vertical plate is vertically mounted on the sliding block and is used in conjunction with the calibration rod assembly and scale for measurement. When the vertical plate is in contact with one end of the test rod, the dimension on the scale can be read directly. The reinforcing support is fixedly installed between the sliding block and the vertical plate, enhancing the stability of the vertical plate and preventing it from shaking during measurement, thereby improving measurement accuracy.

[0021] Optionally, the upper surface of the device base is provided with a horizontal slide rail for mounting the slider, and the horizontal slide rail is fixedly connected to the device base.

[0022] By adopting the above technical solution, the horizontal slide rail on the equipment base cooperates with the slider to provide precise guidance for the sliding of the moving measuring frame. The horizontal slide rail is fixedly connected to the equipment base, ensuring its installation stability. This structural design makes the moving measuring frame smoother during sliding, reduces errors during sliding, and improves measurement accuracy.

[0023] In summary, this application includes at least one of the following beneficial technical effects: The measuring instrument calibration equipment of this application can easily achieve horizontal movement of the calibration rod assembly and vertical movement of the holding assembly by rotating the threaded vertical rod of the calibration rod assembly and the holding assembly, making operation simple and easy to understand. Simultaneously, the setting of the scale and the movable measuring frame makes the reading of measurement data more intuitive, allowing operators to quickly and accurately obtain the data required for calibration. The threaded fit between the calibration rod assembly and the horizontal solenoid, and the sliding fit between the movable measuring frame and the horizontal slide rail, ensure minute displacement adjustments and precise measurements during the calibration process. The holding assembly can effectively fix the instrument to be calibrated, preventing the instrument from moving during calibration, further improving the accuracy of calibration. It can meet the calibration needs of laser measuring instruments of different sizes. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure in the embodiments of this application.

[0025] Figure 2 This is a perspective view of the device base and the second mounting base mating in an embodiment of this application.

[0026] Figure 3 yes Figure 2 Front view of the device shown.

[0027] Figure 4 This is a schematic diagram of the calibration rod assembly in an embodiment of this application.

[0028] Figure 5 This is a perspective view of the movable measuring frame in the embodiments of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Equipment base; 11. Horizontal slide rail; 2. First mounting base; 21. Base housing; 22. Placement platform; 3. Second mounting base; 31. Stand; 32. Horizontal solenoid; 4. Positioning frame; 41. Vertical frame; 42. Longitudinal solenoid; 5. Holding assembly; 51. Threaded vertical rod; 52. Auxiliary pressure block; 6. Calibration rod assembly; 61. Threaded horizontal rod; 62. Test rod; 63. Outer rod; 7. Scale; 8. Moving measuring frame; 81. Slider; 82. Vertical plate; 83. Reinforcing support. Detailed Implementation

[0030] The present application will be further described in detail below with reference to the accompanying drawings.

[0031] This application discloses a measurement instrument calibration device. (Refer to...) Figure 1 , Figure 2 and Figure 3 As shown, a measuring instrument calibration device includes a device base 1. A first mounting base 2 and a second mounting base 3 are respectively installed on both sides of the upper end face of the device base 1. The first mounting base 2 and the second mounting base 3 are both fixedly connected to the device base 1. A positioning frame 4 is vertically installed on the upper end face of the first mounting base 2. The positioning frame 4 is fixedly connected to the first mounting base 2, and a holding component 5 is threadedly connected to the positioning frame 4. A calibration rod group 6 is horizontally installed on the second mounting base 3. The calibration rod group 6 is threadedly connected to the second mounting base 3. A scale 7 is provided directly below the calibration rod group 6, and one end of the scale 7 is fixedly installed on one side of the second mounting base 3. A movable measuring frame 8 that cooperates with the calibration rod group 6 and the scale 7 is also installed on the upper end face of the device base 1. The movable measuring frame 8 is slidably connected to the device base 1. The device base 1 provides a stable support foundation for the entire device, ensuring stable operation during calibration and enabling precise calibration. The first mounting base 2 and the second mounting base 3 are installed on both sides of the upper surface of the device base 1. During use, the first mounting base 2 and the second mounting base 3 can be used to install key components such as the positioning frame 4 and the calibration rod assembly 6, ensuring the stability of each component's installation. The holding component 5 on the positioning frame 4 can fix the instrument to be calibrated, preventing movement during calibration and improving calibration accuracy. The calibration rod assembly 6 is threadedly connected to the second mounting base 3. Rotating the calibration rod assembly 6 allows for precise control of its horizontal movement. When the laser rangefinder to be calibrated is placed on the positioning frame 4, distance measurement can be performed directly at one end of the rotating calibration rod assembly 6. Multiple distance measurements can then be performed by rotating the calibration rod assembly 6. Finally, in conjunction with the scale 7 and the moving measuring frame 8, relevant data during the calibration process can be accurately measured, providing a reliable basis for calibration. Calibration is achieved by comparing the actual measured distance with the distance measured by the instrument to be calibrated.

[0032] Reference Figure 1As shown, the first mounting base 2 includes a housing 21 and a platform 22 for placing the instrument to be calibrated. The housing 21 is fixedly mounted on the upper surface of the equipment base 1, and the platform 22 is fixedly mounted on the upper surface of the housing 21. The first mounting base 2 employs a structure of housing 21 and platform 22. The housing 21 is fixed to the equipment base 1, providing stable support for the platform 22. The platform 22 is used to place the instrument to be calibrated; its flat surface ensures the stability of the instrument and prevents instability from affecting the calibration results. Simultaneously, this structural design makes the installation and disassembly of the first mounting base 2 more convenient, facilitating equipment maintenance and upgrades.

[0033] Reference Figure 2 and Figure 3 As shown, the second mounting base 3 includes a vertical base 31 and a horizontal screw tube 32 for mounting the calibration rod assembly 6. The vertical base 31 is vertically fixed to the upper surface of the equipment base 1, and the horizontal screw tube 32 is installed in the vertical base 31 and fixedly connected to the vertical base 31. The vertical base 31 of the second mounting base 3 is vertically fixed on the equipment base 1, providing stable support for the horizontal screw tube 32. The horizontal screw tube 32 is used to mount the calibration rod assembly 6, and its threaded structure ensures accurate horizontal movement of the calibration rod assembly 6. By rotating the calibration rod assembly 6, using the principle of threaded transmission, minute displacement adjustments of the calibration rod assembly 6 can be achieved, thereby enabling measurement adjustments at different distances during the calibration process. In addition, the fixed connection between the vertical base 31 and the horizontal screw tube 32 ensures the structural stability of the entire second mounting base 3 and reduces errors during the calibration process.

[0034] Reference Figure 1 As shown, the positioning frame 4 includes a vertical frame 41 and a longitudinal screw tube 42 for mounting the holding assembly 5. The vertical frame 41 is vertically fixed to the upper surface of the placement platform 22, and the longitudinal screw tube 42 is fixedly installed in the middle of the front end face of the vertical frame 41. The vertical frame 41 of the positioning frame 4 is vertically fixed on the placement platform 22, providing stable support for the longitudinal screw tube 42. The longitudinal screw tube 42 is used to mount the holding assembly 5, and its position is set in the middle of the front end face of the vertical frame 41, so that the holding assembly 5 can accurately hold the instrument to be calibrated. This structural design ensures the installation stability and holding effect of the holding assembly 5, effectively preventing the instrument from shaking during calibration and improving the accuracy of calibration.

[0035] Reference Figure 1As shown, the clamping assembly 5 includes a threaded vertical rod 51 and an auxiliary clamping block 52. The threaded vertical rod 51 is installed in the longitudinal threaded tube 42, and the auxiliary clamping block 52 is installed at the lower end of the threaded vertical rod 51, and the auxiliary clamping block 52 is rotatably connected to the threaded vertical rod 51. The threaded vertical rod 51 of the clamping assembly 5 is installed in the longitudinal threaded tube 42, and the auxiliary clamping block 52 can move up and down by rotating the threaded vertical rod 51. The auxiliary clamping block 52 is rotatably connected to the threaded vertical rod 51. When clamping the instrument, the auxiliary clamping block 52 can better adapt to the surface shape of the instrument, avoiding damage to the instrument. At the same time, this rotatable connection method can ensure a uniform distribution of clamping force, improve clamping stability, and thus ensure the smooth progress of the calibration process.

[0036] Reference Figure 4 As shown, the calibration rod assembly 6 includes a threaded crossbar 61, a test rod 62, and an outer rod 63. The test rod 62 and the outer rod 63 are located at both ends of the threaded crossbar 61, and the threaded crossbar 61, test rod 62, and outer rod 63 are integrally formed. The threaded crossbar 61 cooperates with the horizontal solenoid 32, and the horizontal movement of the calibration rod assembly 6 can be achieved by rotating the threaded crossbar 61. The test rod 62 is used for measurement with the instrument to be calibrated, while the outer rod 63 facilitates rotation by the operator. The integrally formed structural design reduces connection errors between components and improves calibration accuracy.

[0037] Reference Figure 5 As shown, the movable measuring frame 8 includes a slider 81, a vertical plate 82, and a reinforcing support 83. The vertical plate 82 is vertically installed at the center of the upper surface of the slider 81, and its lower end is fixedly connected to the slider 81. The reinforcing support 83 is fixedly installed between the slider 81 and the vertical plate 82. The movable measuring frame 8 is designed with a structure in which the slider 81, vertical plate 82, and reinforcing support 83 cooperate. In use, the slider 81 is mounted on the horizontal slide rail 11 and can slide freely on the equipment base 1. The vertical plate 82 is vertically installed on the slider 81 and is used to cooperate with the calibration rod group 6 and the scale 7 for measurement. When the vertical plate 82 is in contact with one end of the test rod 62, the dimension on the scale 7 can be read directly. The reinforcing support 83 is fixedly installed between the slider 81 and the vertical plate 82, enhancing the stability of the vertical plate 82 and preventing it from shaking during measurement, thereby improving the accuracy of the measurement. The upper surface of the device base 1 is provided with a horizontal slide rail 11 for mounting the slider 81, and the horizontal slide rail 11 is fixedly connected to the device base 1. The horizontal slide rail 11 on the device base 1 cooperates with the slider 81 to provide precise guidance for the sliding of the movable measuring frame 8. The fixed connection between the horizontal slide rail 11 and the device base 1 ensures the stability of its installation. This structural design makes the movable measuring frame 8 more stable during sliding, reduces errors during sliding, and improves measurement accuracy.

[0038] The implementation principle of the measuring instrument calibration device in this application embodiment is as follows: When calibrating a measuring instrument, firstly, the instrument to be calibrated is placed on the placement platform 22. Then, the threaded vertical rod 51 of the holding assembly 5 is rotated, causing the auxiliary pressure block 52 to descend and press against the instrument to be calibrated, thus fixing the instrument firmly. Next, the threaded horizontal rod 61 of the calibration rod assembly 6 is rotated, causing the calibration rod assembly 6 to move horizontally, so that the test rod 62 contacts the measuring part of the instrument to be calibrated. By observing the position of the scale 7 and the moving measuring frame 8, relevant standard value data is read, and the standard values ​​are compared with the data measured by the laser rangefinder. When a deviation occurs, the laser rangefinder is operated for calibration adjustment. After calibration, the threaded vertical rod 51 is rotated to raise the auxiliary pressure block 52, and the calibrated instrument is removed.

[0039] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A measuring instrument calibration device, comprising a device base (1), characterized in that: The upper surface of the equipment base (1) is provided with a first mounting base (2) and a second mounting base (3) respectively. The first mounting base (2) and the second mounting base (3) are fixedly connected to the equipment base (1). The upper surface of the first mounting base (2) is vertically provided with a positioning frame (4). The positioning frame (4) is fixedly connected to the first mounting base (2), and a pressure assembly (5) is threadedly connected to the positioning frame (4). The second mounting base (3) is horizontally provided with a calibration rod group (6). The calibration rod group (6) is threadedly connected to the second mounting base (3). A scale (7) is provided directly below the calibration rod group (6), and one end of the scale (7) is fixedly installed on one side of the second mounting base (3). The upper surface of the equipment base (1) is also provided with a movable measuring frame (8) that cooperates with the calibration rod group (6) and the scale (7). The movable measuring frame (8) is slidably connected to the equipment base (1).

2. The measuring instrument calibration device according to claim 1, characterized in that: The first mounting base (2) includes a housing (21) and a placement platform (22) for placing the instrument to be calibrated. The housing (21) is fixedly mounted on the upper surface of the equipment base (1), and the placement platform (22) is fixedly mounted on the upper surface of the housing (21).

3. The measuring instrument calibration device according to claim 2, characterized in that: The second mounting base (3) includes a stand (31) and a horizontal screw tube (32) for mounting the calibration rod assembly (6). The stand (31) is vertically fixed on the upper end face of the equipment base (1). The horizontal screw tube (32) is installed in the stand (31) and is fixedly connected to the stand (31).

4. The measuring instrument calibration device according to claim 3, characterized in that: The positioning frame (4) includes a vertical frame (41) and a longitudinal screw tube (42) for mounting the pressure holding assembly (5). The vertical frame (41) is vertically fixed to the upper end face of the placement table (22), and the longitudinal screw tube (42) is fixedly installed in the middle of the front end face of the vertical frame (41).

5. A measuring instrument calibration device according to claim 4, characterized in that: The pressing assembly (5) includes a threaded vertical rod (51) and an auxiliary pressing block (52). The threaded vertical rod (51) is installed in a longitudinal threaded tube (42), and the auxiliary pressing block (52) is installed at the lower end of the threaded vertical rod (51) and is rotatably connected to the threaded vertical rod (51).

6. The measuring instrument calibration device according to claim 5, characterized in that: The calibration rod assembly (6) includes a threaded crossbar (61), a test rod (62), and an outer rod (63). The test rod (62) and the outer rod (63) are located at both ends of the threaded crossbar (61), and the threaded crossbar (61), the test rod (62), and the outer rod (63) are integrally formed.

7. A measuring instrument calibration device according to claim 6, characterized in that: The movable measuring frame (8) includes a slider (81), a vertical plate (82) and a reinforcing support (83). The vertical plate (82) is vertically installed at the center of the upper surface of the slider (81), and the lower end of the vertical plate (82) is fixedly connected to the slider (81). The reinforcing support (83) is fixedly installed between the slider (81) and the vertical plate (82).

8. A measuring instrument calibration device according to claim 7, characterized in that: The upper surface of the equipment base (1) is provided with a horizontal slide rail (11) for mounting the slider (81), and the horizontal slide rail (11) is fixedly connected to the equipment base (1).

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