A precision length metrology apparatus calibration analysis device
By combining components such as mounting plate base, fixed frame and electronic grating ruler moving structure, the stability and accuracy problems of precision length measuring instrument calibration devices in the prior art are solved, and efficient and accurate calibration results are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI XIPING METROLOGY & TESTING CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-17
AI Technical Summary
Existing precision length measuring instrument calibration devices suffer from poor stability of fixed structures, easy displacement of instruments, and low accuracy and efficiency due to reliance on manual movement.
By employing a mounting plate base, fixed frame, wedge frame, and electronic grating ruler moving structure, combined with a scale and limit groove, the instrument can be stably installed and precisely moved for calibration, reducing manual intervention and improving calibration accuracy and efficiency.
It improves the stability and accuracy of the calibration device, enhances the flexibility and maintainability of the structure, and enables efficient and accurate calibration work.
Smart Images
Figure CN224517692U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of measuring instrument technology, and in particular to a calibration and analysis device for precision length measuring instruments. Background Technology
[0002] In fields such as precision manufacturing and aerospace, precision length measuring instruments such as calipers and micrometers need to be calibrated regularly. Existing calibration devices have the following shortcomings: first, the fixed structure has poor stability, and the instruments are prone to displacement, which affects the accuracy of calibration; second, they rely on manual movement for measurement, which is inaccurate and inefficient. Utility Model Content
[0003] The main objective of this invention is to provide a precision length measuring instrument calibration and analysis device, which can effectively solve the problems in the background art.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A precision length measuring instrument calibration and analysis device includes an analysis table, with reinforcing legs fixedly connected to the four corners of the lower end of the analysis table, and anti-slip pads fixedly connected to the lower ends of the four reinforcing legs. An operation display screen is fixedly connected to the rear of the upper end of the analysis table, and four mounting bolts are threadedly connected to the upper end of the analysis table. A movable calibration device is fixedly connected to the middle of the upper end of the analysis table.
[0006] Preferably, the mobile calibration device includes a mounting plate base, which is fixedly connected to the upper middle part of the analysis stage. A fixing frame is provided at the upper middle part of the mounting plate base, and a scale is fixedly connected to the upper front part of the mounting plate base. Two wedge-shaped frames are fixedly connected to the front and rear ends of the fixing frame. Each of the four wedge-shaped frames has a through threaded hole at the upper middle part. A limit groove is provided in the middle of the inner lower wall of the fixing frame. An electronic grating ruler moving structure is fixedly connected to the left end of the fixing frame, and the right part of the electronic grating ruler moving structure is located inside the fixing frame.
[0007] By adopting the above technical solution: the mounting plate base is used to fix and move the calibration device, the fixed frame provides installation space, the scale assists in measurement, and the electronic grating ruler moving structure enables precise movement, thereby improving calibration accuracy and stability.
[0008] Preferably, the fixing frame is detachably connected to the analysis table via four wedge-shaped frames and four mounting bolts.
[0009] By adopting the above technical solutions, the fixed frame can be detached from the analysis table, which facilitates disassembly and maintenance, enhances structural flexibility, facilitates component replacement, and ensures continuous and efficient operation of the device.
[0010] Preferably, the moving structure of the electronic grating ruler includes a driver. The output end of the driver passes through the middle of the left end of the fixed frame and is fixedly connected to a screw rod. The right end of the screw rod is movably connected to the fixed frame via a bearing. A fixing block is threadedly connected to the left side of the outer surface of the screw rod. The front end of the fixing block is fixedly connected to the grating ruler body. A limit block is fixedly connected to the lower rear end of the grating ruler body. A locking block is fixedly connected to the middle of the upper end of the grating ruler body. A connecting post is inserted and fixedly connected to the middle of the right end of the locking block. An indicating component is inserted and movably connected to the locking block via the connecting post.
[0011] By adopting the above technical solution, the driver drives the screw rod to move the grating ruler body, realizing automatic precision calibration, reducing manual intervention, and improving efficiency and measurement accuracy.
[0012] Preferably, the end of the limiting block away from the grating ruler body is slidably connected within the limiting groove.
[0013] By adopting the above technical solution, the limiting block slides in the limiting groove, restricting the movement direction of the grating ruler body, preventing deviation, ensuring the stability of the calibration trajectory, and improving the accuracy of the results.
[0014] Preferably, the indicating component includes a U-shaped frame, with an annular block fixedly connected to the rear end of the U-shaped frame, a through-hole on the left side of the annular block, and an indicating needle fixedly connected to the front end of the U-shaped frame.
[0015] By adopting the above technical solution—U-shaped frame connecting block, indicator needle and scale indicating position, and ring block for auxiliary fixation—calibration data can be easily observed and operation is improved.
[0016] Preferably, the U-shaped frame is inserted into the card block, and the annular block is movably connected to the connecting post through a fixing hole.
[0017] By adopting the above technical solution—the U-shaped frame is inserted into the card block, and the annular block is movably connected through the connecting column—the indicator component can be installed flexibly, is easy to adjust and maintain, and its structural adaptability is enhanced.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. In this utility model, the mounting plate base provides a stable installation foundation for the whole, the fixed frame is connected to the analysis table through the wedge frame and mounting bolts, which is easy to disassemble and assemble and the connection is firm. The scale assists in measurement, the limit groove restricts the movement trajectory of the components, and the electronic grating ruler moving structure realizes precise movement calibration within the fixed frame. The cooperation of all the accessories improves the stability, flexibility and calibration accuracy of the device, facilitates maintenance, and ensures that the calibration work is carried out efficiently and accurately.
[0020] 2. In this utility model, the driver drives the screw rod to rotate, causing the fixed block and the grating ruler body to move, thereby adjusting the calibration position. The limit block and the limit groove cooperate to ensure the stability of the movement trajectory. The card block is connected to the indicator component through the connecting post. The U-shaped frame is inserted into the card block, and the ring block is movably connected to the connecting post, allowing the indicator component to be installed flexibly. The indicator needle accurately indicates the position. All the components work together to improve the automation and accuracy of calibration, making operation more convenient and ensuring the high efficiency and accuracy of calibration work. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of a precision length measuring instrument calibration and analysis device according to the present invention;
[0022] Figure 2 This is a schematic diagram of the overall structure of the mobile calibration device of the precision length measuring instrument calibration and analysis device of this utility model;
[0023] Figure 3 This is a schematic diagram of the overall structure of the electronic grating ruler moving structure of the precision length measuring instrument calibration and analysis device of this utility model;
[0024] Figure 4 This is a schematic diagram of the overall structure of the indicator component of a precision length measuring instrument calibration and analysis device according to this utility model.
[0025] In the diagram: 1. Analysis platform; 2. Reinforcing leg; 3. Anti-slip pad; 4. Operation display screen; 5. Mounting bolt; 6. Moving calibration device; 61. Mounting plate base; 62. Fixing frame; 63. Wedge frame; 64. Threaded hole; 65. Moving structure of electronic grating ruler; 66. Limiting groove; 67. Scale; 651. Driver; 652. Screw rod; 653. Fixing block; 654. Grating ruler body; 655. Limiting block; 656. Locking block; 657. Connecting column; 658. Indicator assembly; 6581. U-shaped frame; 6582. Ring block; 6583. Fixing hole; 6584. Indicator needle. Detailed Implementation
[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0029] Please see Figure 1-4 This utility model provides a technical solution:
[0030] A precision length measuring instrument calibration and analysis device includes an analysis table 1. Reinforcing legs 2 are fixedly connected to the four corners of the lower end of the analysis table 1. Anti-slip pads 3 are fixedly connected to the lower ends of the four reinforcing legs 2. An operation display screen 4 is fixedly connected to the rear of the upper end of the analysis table 1. Four mounting bolts 5 are threadedly connected to the upper end of the analysis table 1. A movable calibration device 6 is fixedly connected to the middle of the upper end of the analysis table 1.
[0031] In this embodiment, the mobile calibration device 6 includes a mounting plate base 61, which is fixedly connected to the upper middle part of the analysis table 1. A fixing frame 62 is provided at the upper middle part of the mounting plate base 61. A scale 67 is fixedly connected to the upper front part of the mounting plate base 61. Two wedge frames 63 are fixedly connected to the front and rear ends of the fixing frame 62. A through threaded hole 64 is opened at the upper middle part of each of the four wedge frames 63. A limit groove 66 is opened at the middle of the inner lower wall of the fixing frame 62. An electronic grating ruler moving structure 65 is fixedly connected to the left end of the fixing frame 62. The right part of the electronic grating ruler moving structure 65 is located inside the fixing frame 62. The fixing frame 62 is detachably connected to the analysis table 1 through the four wedge frames 63 and four mounting bolts 5.
[0032] The above scheme provides a stable foundation for the entire system: the mounting plate base 61 fixes the mobile calibration device 6; the fixing frame 62 is connected to the analysis table 1 through the wedge frame 63 and the mounting bolt 5; the threaded hole 64 is used with the bolt to enhance the fastening and prevent the instrument from shifting; the limiting groove 66 restricts the movement trajectory of the components; and the scale 67 assists in calibration. This structure improves the stability of the fixation, ensures accurate calibration, reduces errors, and improves the reliability and service life of the device.
[0033] In this embodiment, the electronic grating ruler moving structure 65 includes a driver 651. The output end of the driver 651 passes through the middle of the left end of the fixed frame 62 and is fixedly connected to a screw rod 652. The right end of the screw rod 652 is movably connected to the fixed frame 62 via a bearing. A fixing block 653 is movably connected to the left side of the outer surface of the screw rod 652 via a thread. The front end of the fixing block 653 is fixedly connected to the grating ruler body 654. A limit block 655 is fixedly connected to the lower rear end of the grating ruler body 654. A locking block 656 is fixedly connected to the middle of the upper end of the grating ruler body 654. A connecting rod is inserted and fixedly connected to the middle of the right end of the locking block 656. The connecting post 657 and the locking block 656 are movably connected to the indicating component 658 through the connecting post 657. The end of the limiting block 655 away from the grating ruler body 654 is slidably connected in the limiting groove 66. The indicating component 658 includes a U-shaped frame 6581. The rear end of the U-shaped frame 6581 is fixedly connected to an annular block 6582. The left end of the annular block 6582 has a left-right through fixing hole 6583. The front end of the U-shaped frame 6581 is fixedly connected to an indicating needle 6584. The U-shaped frame 6581 is inserted into the locking block 656. The annular block 6582 is movably connected to the connecting post 657 through the fixing hole 6583.
[0034] Through the above scheme: the driver 651 drives the screw rod 652 to rotate, which in turn moves the fixing block 653 and the grating ruler body 654. The limiting block 655 slides in the limiting groove 66 to prevent deviation. The locking block 656 is connected to the indicating component 658 through the connecting column 657. Its U-shaped frame 6581 and ring block 6582 cooperate to make the indicating needle 6584 indicate accurately, replacing manual movement, improving measurement accuracy and efficiency, and reducing errors.
[0035] It should be noted that this utility model is a precision length measuring instrument calibration and analysis device. In the process of use, firstly, the analysis table 1 is placed stably by the lower reinforcing legs 2 and anti-slip pads 3. The operation display screen 4 is used for operation. The moving calibration device 6 is the core. The fixed frame 62 is fixed by the wedge frame 63 and the mounting bolts 5. In the electronic grating ruler moving structure 65, the driver 651 drives the screw rod 652, which drives the fixed block 653 and the grating ruler body 654 to move. The limit block 655 is in the limit groove 66 to prevent displacement. The indicator needle 6584 of the indicator component 658 cooperates with the scale 67 to indicate, so as to achieve precision calibration. Thus, this device can automatically and accurately calibrate, improve efficiency and accuracy, and has strong stability.
[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A precision length measuring instrument calibration and analysis device, comprising an analysis table (1), characterized in that: The analysis table (1) is fixedly connected to four corners of the lower end with a reinforcing leg (2), and the lower end of the four reinforcing legs (2) is fixedly connected with an anti-slip pad (3). The analysis table (1) is fixedly connected to the rear of the upper end with an operation display screen (4). The analysis table (1) is threadedly connected to four mounting bolts (5). The analysis table (1) is fixedly connected to the middle of the upper end with a moving calibration device (6). The mobile calibration device (6) includes a mounting plate base (61), which is fixedly connected to the upper middle part of the analysis table (1). A fixed frame (62) is provided at the upper middle part of the mounting plate base (61). A scale (67) is fixedly connected to the upper front part of the mounting plate base (61). Two wedge frames (63) are fixedly connected to the front and rear ends of the fixed frame (62). A through threaded hole (64) is opened at the upper middle part of each of the four wedge frames (63). A limit groove (66) is opened at the middle of the inner lower wall of the fixed frame (62). An electronic grating ruler moving structure (65) is fixedly connected to the left end of the fixed frame (62). The right part of the electronic grating ruler moving structure (65) is located inside the fixed frame (62).
2. A precise length metrology instrument calibration analysis device according to claim 1, characterized in that: The fixed frame (62) is detachably connected to the analysis table (1) by four wedge frames (63) and four mounting bolts (5).
3. The precise length metrology instrument calibration analysis device of claim 1, wherein: The electronic grating ruler moving structure (65) includes a driver (651). The output end of the driver (651) passes through the middle of the left end of the fixed frame (62) and is fixedly connected to a screw rod (652). The right end of the screw rod (652) is movably connected to the fixed frame (62) through a bearing. A fixing block (653) is movably connected to the left side of the outer surface of the screw rod (652) by a thread. The front end of the fixing block (653) is fixedly connected to the grating ruler body (654). A limit block (655) is fixedly connected to the lower rear end of the grating ruler body (654). A locking block (656) is fixedly connected to the middle of the upper end of the grating ruler body (654). A connecting post (657) is inserted and fixedly connected to the middle of the right end of the locking block (656). An indicator component (658) is inserted and movably connected to the locking block (656) through the connecting post (657).
4. A precise length metrology instrument calibration analysis apparatus according to claim 3, characterized in that: The end of the limiting block (655) away from the grating ruler body (654) is slidably connected in the limiting groove (66).
5. The precise length metrology instrument calibration analysis device of claim 3, wherein: The indicator component (658) includes a U-shaped frame (6581), with an annular block (6582) fixedly connected to the rear end of the U-shaped frame (6581), a through-hole (6583) on the left side of the annular block (6582), and an indicator needle (6584) fixedly connected to the front end of the U-shaped frame (6581).
6. A precise length metrology instrument calibration analysis apparatus according to claim 5, characterized in that: The U-shaped frame (6581) is inserted into the card block (656), and the annular block (6582) is movably connected to the connecting post (657) through the fixing hole (6583).