Metrological verification calibration device capable of protecting and limiting measured object
By designing a metrology verification and calibration device containing a limit ring and a protective frame, the problem of insufficient protection of objects during the measurement process of traditional devices is solved, and safe measurement and protection of high-precision or vulnerable objects are achieved.
Patent Information
- Application Number
- CN202421057243.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional metrological calibration devices lack effective protection for objects during measurement, especially when high-precision or vulnerable objects, which may lead to measurement errors and even damage to objects.
A measurement calibration device including a fixed base, a support frame, a suspension ring, a weighing device, a weighing table, a limit ring, a protective frame and an electric telescopic rod are designed to protect the object through the limit ring and a protective frame. and the opening and locking of the protective door is controlled through an electric telescopic rod to protect the measured object.
It realizes effective protection of objects during the measurement process, ensures measurement accuracy and safety, and avoids the risk of measurement errors and object damage.
Smart Images
Figure CN222188520U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metrology verification, in particular to a metrology verification and calibration device which can perform protective limiting on a measured object. Background Art
[0002] The objects of metrological verification include the metrological instruments specified in the national metrological verification regulations, such as metrological reference instruments, metrological standards and working metrological instruments. These instruments must be verified according to the period specified in the verification regulations to ensure the accuracy and reliability of their measurement results. The main tasks of metrological verification are: to evaluate the metrological performance of metrological instruments; to determine whether the metrological instruments are qualified; to ensure the accuracy of value transfer or traceability. Metrological verification is an important form of value transfer traceability, and it is also an important measure to ensure the unification and accuracy of national value.
[0003] In the field of metrology and calibration, it is crucial to measure objects accurately and stably. However, traditional metrology and calibration devices often lack effective protection for objects during the measurement process, which may cause measurement errors or even damage to the objects, especially when measuring high-precision or fragile objects. Therefore, the present invention proposes a metrology and calibration device that can protect and limit the measured object, aiming to provide accurate measurement while protecting the measured object. Utility Model Content
[0004] The purpose of the utility model is to provide a metrology calibration device that can protect and limit the measured object, so as to solve the problem that in the field of metrology calibration, it is crucial to measure the object accurately and stably. However, traditional metrology calibration devices often lack effective protection for objects during the measurement process, especially when measuring high-precision or fragile objects, which may cause measurement errors or even damage to the object.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a fixed base, a support frame is fixedly installed in the middle of the upper end surface of the fixed base, a suspension ring is fixedly installed on the top of the support frame, a weighing device is suspended and connected to the bottom of the suspension ring through a hook, a weighing device is suspended and connected to the weighing platform through a hook, a limiting ring for limiting the position of the required weighing and measuring object is fixedly installed on the bottom of the weighing platform, a limiting straight slide groove is provided on both sides of the front end of the support frame, a limiting magnetic block is magnetically attached to the inner wall of the limiting straight slide groove, an upper measuring pointer is fixedly installed on the front side end of the limiting magnetic block, a lower measuring pointer is fixedly installed on both sides of the lower end of the weighing platform, and measuring scale lines are provided on both sides of the front end of the support frame;
[0006] A rear protective frame is fixedly installed at the rear end of the support frame, a front protective frame is fixedly installed at the front end of the support frame, the side end of the front protective frame is rotatably connected to the main rotating shaft via a rotating shaft, a front protective door is fixedly installed on the outer curved surface of the front end of the main rotating shaft, a swing rod is fixedly installed on the top end of the main rotating shaft, and the front side of the top end of the front protective frame is rotatably connected to an electric telescopic rod via a pin shaft.
[0007] Preferably, a power control cabinet is embedded and fixedly installed on the front end of the fixed base, and a control panel is fixedly installed on the side end of the upper end surface of the fixed base.
[0008] Preferably, there are two limiting straight sliding grooves, which are symmetrically distributed on both sides of the front end of the support frame.
[0009] Preferably, there are two lower measuring pointers, which are symmetrically distributed on both sides of the lower end of the weighing platform.
[0010] Preferably, a transparent acrylic plate is fixedly installed on the outer end of the rear protective frame, and transparent acrylic plates are fixedly installed on both sides of the front protective frame.
[0011] Preferably, a transparent acrylic plate is fixedly installed through the middle of the front protective door.
[0012] Preferably, the electric telescopic rod is electrically connected to the power control cabinet and the control panel through wires, and the front telescopic part of the electric telescopic rod is rotationally connected to the front end of the swing rod through a pin.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The utility model measures the height of the object at the bottom of the symmetrical weighing platform by means of the upper measuring pointer and the lower measuring pointer in cooperation with the measuring scale line. At the same time, the weight of the object at the bottom of the symmetrical weighing platform can be weighed by means of the weighing device. At the same time, when the weight of the object at the bottom of the symmetrical weighing platform is weighed, the front protective frame, the rear protective frame and the front protective door can be used to provide safety protection for the object at the bottom of the symmetrical weighing platform. The limiting ring can be used to limit the object at the bottom of the symmetrical weighing platform, thereby realizing the function of protecting and limiting the measured object.
[0015] 2. The utility model also drives the swing rod to swing when the electric telescopic rod is extended and retracted, and when the swing rod swings, it drives the main rotating shaft to rotate, and when the main rotating shaft rotates, it drives the front protective door to swing, and when the front protective door swings, the front end of the front protective frame is opened or locked, thereby realizing the protection and limit of the measured object and facilitating the opening and locking of the front end of the front protective frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1The overall structure of the utility model is a metrological verification and calibration device that can protect and limit the measured object. Figure 1 ;
[0017] Figure 2 The overall structure of the utility model is a metrological verification and calibration device that can protect and limit the measured object. Figure 2 ;
[0018] Figure 3 The utility model is a partial structural schematic diagram of a metrological verification and calibration device capable of protecting and limiting a measured object.
[0019] In the figure: 1. fixed base; 2. power control cabinet; 3. control panel; 4. support frame; 5. hanging ring; 6. weighing device; 7. weighing platform; 8. limit ring; 9. limit straight slide groove; 10. limit magnetic block; 11. upper measuring pointer; 12. lower measuring pointer; 13. measuring scale line; 14. rear protective frame; 15. front protective frame; 16. main rotating shaft; 17. front protective door; 18. swing rod; 19. electric telescopic rod. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-3 The utility model provides a technical solution of a metrological verification and calibration device capable of protecting and limiting the measured object: it comprises a fixed base 1, a power control cabinet 2 is fixedly installed at the front end of the fixed base 1, a control panel 3 is fixedly installed at the side end of the upper end surface of the fixed base 1, a support frame 4 is fixedly installed at the middle of the upper end surface of the fixed base 1, a hanging ring 5 is fixedly installed at the top of the support frame 4, a weighing device 6 is hung and connected to the bottom of the hanging ring 5 through a hook, a weighing platform 7 is hung and connected to the top of the weighing device 6 through a hook, and a A limit ring 8 is used to limit the position of the object to be weighed and measured. A limit straight slide groove 9 is provided on both sides of the front end of the support frame 4, and there are two limit straight slide grooves 9, which are symmetrically distributed on both sides of the front end of the support frame 4. The inner wall of the limit straight slide groove 9 is magnetically attached to a limit magnetic block 10. An upper measuring pointer 11 is fixedly installed on the front side end of the limit magnetic block 10. Lower measuring pointers 12 are fixedly installed on both sides of the lower end of the weighing platform 7. There are two lower measuring pointers 12, which are symmetrically distributed on both sides of the lower end of the weighing platform 7. Measuring scale lines 13 are provided on both sides of the front end of the support frame 4;
[0022] A rear protective frame 14 is fixedly installed at the rear end of the support frame 4, and a transparent acrylic plate is fixedly installed at the outer end of the rear protective frame 14, a front protective frame 15 is fixedly installed at the front end of the support frame 4, and transparent acrylic plates are fixedly installed on both sides of the front protective frame 15, the side end of the front protective frame 15 is rotatably connected to a main rotating shaft 16 through a rotating shaft, a front protective door 17 is fixedly installed on the outer curved surface of the front end of the main rotating shaft 16, and a transparent acrylic plate is fixedly installed through the middle of the front protective door 17, a swing rod 18 is fixedly installed on the top end of the main rotating shaft 16, an electric telescopic rod 19 is rotatably connected to the front side of the top end of the front protective frame 15 through a pin shaft, and the electric telescopic rod 19 is electrically connected to the power control cabinet 2 and the control panel 3 through wires, and the front end telescopic part of the electric telescopic rod 19 is rotatably connected to the front end of the swing rod 18 through a pin shaft.
[0023] Working principle: When in use, the utility model places the object to be weighed and measured into the bottom of the weighing platform 7. When the object to be weighed and measured is placed into the bottom of the weighing platform 7, the limit magnetic block 10 is pushed to move up and down along the inner wall of the limit straight slide groove 9. When the limit magnetic block 10 moves up and down, it will drive the upper measuring pointer 11 to move up and down. When the upper measuring pointer 11 moves up and down, the upper measuring pointer 11 is moved to the top of the object to be weighed and measured. When the upper measuring pointer 11 moves to the top of the object to be weighed and measured When the object at the bottom of the weighing platform 7 is measured in height by the upper measuring pointer 11 and the lower measuring pointer 12 in cooperation with the measuring scale line 13, the object at the bottom of the weighing platform 7 can be weighed by the weighing device 6. When the object at the bottom of the weighing platform 7 is weighed, the front protective frame 15, the rear protective frame 14 and the front protective door 17 are used to protect the object at the bottom of the weighing platform 7, and the limiting ring 8 is used to limit the object at the bottom of the weighing platform 7, thereby realizing the function of protecting and limiting the measured object;
[0024] At the same time, the control panel 3 is used to control the electric telescopic rod 19 to be extended and retracted. When the electric telescopic rod 19 is extended and retracted, the swing rod 18 will be driven to swing. When the swing rod 18 swings, the main rotating shaft 16 will be driven to rotate. When the main rotating shaft 16 rotates, the front protective door 17 will be driven to swing. When the front protective door 17 swings, the front end of the front protective frame 15 will be opened or locked, thereby realizing the protection and limit of the measured object while facilitating the opening and locking of the front end of the front protective frame 15.
[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A metrological verification and calibration device capable of protecting and limiting a measured object, characterized in that: The invention comprises a fixed base (1), wherein a support frame (4) is fixedly installed in the middle of the upper end surface of the fixed base (1), a suspension ring (5) is fixedly installed in the top of the support frame (4), a weighing device (6) is connected to the bottom of the suspension ring (5) by a hook, a weighing platform (7) is connected to the top of the weighing device (6) by a hook, a limiting ring (8) is fixedly installed in the bottom of the weighing platform (7) for limiting the position of the object to be weighed and measured, a limiting straight slide groove (9) is provided on both sides of the front end of the support frame (4), a limiting magnetic block (10) is connected to the inner wall of the limiting straight slide groove (9) by magnetic attraction, an upper measuring pointer (11) is fixedly installed on the front side end of the limiting magnetic block (10), a lower measuring pointer (12) is fixedly installed on both sides of the lower end of the weighing platform (7), and a measuring scale line (13) is provided on both sides of the front end of the support frame (4); A rear protective frame (14) is fixedly mounted on the rear end of the support frame (4), a front protective frame (15) is fixedly mounted on the front end of the support frame (4), a side end of the front protective frame (15) is rotatably connected to a main rotating shaft (16) via a rotating shaft, a front protective door (17) is fixedly mounted on the front outer curved surface of the main rotating shaft (16), a swing rod (18) is fixedly mounted on the top end of the main rotating shaft (16), and an electric telescopic rod (19) is rotatably connected to the front side of the top end of the front protective frame (15) via a pin shaft.
2. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 1, characterized in that: A power control cabinet (2) is inlaid and fixedly installed on the front end of the fixed base (1), and a control panel (3) is fixedly installed on the side end of the upper end surface of the fixed base (1).
3. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 2, characterized in that: There are two limit straight slide grooves (9), which are symmetrically distributed on both sides of the front end of the support frame (4).
4. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 3, characterized in that: There are two lower measuring pointers (12), which are symmetrically distributed on both sides of the lower end of the weighing platform (7).
5. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 4, characterized in that: A transparent acrylic plate is fixedly installed on the outer end of the rear protective frame (14), and transparent acrylic plates are fixedly installed on both sides of the front protective frame (15).
6. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 5, characterized in that: A transparent acrylic plate is fixedly installed through the middle of the front protective door (17).
7. A metrological verification and calibration device capable of protecting and limiting the measured object according to claim 6, characterized in that: The electric telescopic rod (19) is electrically connected to the power control cabinet (2) and the control panel (3) through wires, and the front telescopic part of the electric telescopic rod (19) is rotatably connected to the front end of the swing rod (18) through a pin shaft.