Calibration device for tension and pressure sensor
By designing a pull pressure sensor calibration device for brackets, connecting flanges and adjustment components, using dual lead screw transmission and high-precision dynamometer, the problem of large space occupation and high handling difficulty in the existing technology is solved, achieving high accuracy and convenience measuring and calibration of tension and pressure.
Patent Information
- Application Number
- CN202323535569.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The existing force sensor calibration devices take up a large space, have many accessories, are difficult to operate, and lack high precision and convenience.
A tension pressure sensor calibration device is designed, using a bracket, a connecting flange, a first adjustment component and a second adjustment component, and a tension force is applied through a double screw transmission, combined with a high-precision dynamometer to achieve tension force and pressure measurement calibration. The first The adjustment assembly is used for rough adjustment, the second adjustment assembly is used for precise adjustment, and the pitch of the screw nut pair is different to achieve fine adjustment.
It realizes high-precision tension and pressure measurement and calibration, saves operating space, reduces operation difficulty, and improves the convenience of calibration equipment.
Smart Images
Figure CN222212075U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of screw transmission, and in particular relates to a calibration device for a tension and pressure sensor. Background Art
[0002] Currently, force sensors are mostly calibrated using weight-type, lever-type and hydraulic-type calibration equipment. Such devices have the disadvantages of occupying large space, having many accessories and being difficult to operate. Summary of the invention
[0003] The purpose of the present application is to provide a tension and pressure sensor calibration device to solve the problems existing in the prior art.
[0004] In order to achieve the above-mentioned purpose, the present application provides the following technical solution, which provides a tension and pressure sensor calibration device, the device comprising a bracket, a connecting flange arranged at one end of the bracket for fixing the sensor to be calibrated, a first adjustment component and a second adjustment component arranged at the other end of the bracket for providing tension and pressure, and a dynamometer arranged between the first adjustment component and the sensor to be calibrated,
[0005] The first adjusting component is used for roughly adjusting the pulling and pressing force, and the second adjusting component is used for accurately adjusting the pulling and pressing force. The second adjusting component is fixed on the bracket, and the first adjusting component and the second adjusting component are connected.
[0006] The tension and pressure sensor calibration device provided in the present application also has the following feature: the contact surface between the connecting flange and the bracket is a conical surface, and the axis of the conical surface is coaxial with the axis of the sensor to be calibrated.
[0007] The tension and pressure sensor calibration device provided in the present application also has the following characteristics: the first adjustment component includes a first screw, a first adjustment nut, a first bearing group for connecting the first adjustment component and the second adjustment component, and a first handle installed at one end of the first screw.
[0008] The other end of the first lead screw is connected to the dynamometer.
[0009] The tension and pressure sensor calibration device provided in the present application also has the following characteristics: the second adjustment component includes a second lead screw, a second adjustment nut, a second bearing group for connecting the second adjustment component and the bracket, and a second handle installed at one end of the second lead screw.
[0010] The other end of the second lead screw is connected to the first adjusting nut.
[0011] The tension and pressure sensor calibration device provided in the present application also has the characteristic that the pitch of the screw nut pair of the first adjustment component is greater than the pitch of the screw nut pair of the second adjustment component.
[0012] Beneficial Effects
[0013] The tension and pressure sensor calibration device provided in the present application adopts a double-screw transmission to apply tension and pressure to the sensor to be calibrated, and uses a high-precision dynamometer as a detection device to realize tension and pressure measurement calibration, which not only saves operating space but also reduces the operating difficulty and improves the convenience of the calibration equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0015] Figure 1 A schematic diagram of the structure of a tension and pressure sensor calibration device provided in an embodiment of the present application;
[0016] Figure 2 A mechanical transmission principle diagram of a tension and pressure sensor calibration device provided in an embodiment of the present application;
[0017] Figure 3 This is a schematic diagram of the structure of the connecting flange provided in the embodiment of the present application.
[0018] Among them, 1. connecting flange; 2. calibrated sensor; 3. dynamometer; 4. first screw; 5. second screw; 6. first handle; 7. second handle; 8. bracket. DETAILED DESCRIPTION
[0019] The present application is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation methods are not limitations of the present application, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation methods are all within the scope of protection of the present application.
[0020] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the creation of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the creation of the present application.
[0021] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of this application, unless otherwise specified, the meaning of "plurality" is two or more.
[0022] The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it 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, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention of this application can be understood by specific circumstances.
[0023] like Figure 1-Figure 3 As shown, a calibration device for a tension and pressure sensor is provided, the device includes a bracket 8, a connecting flange 1 arranged at one end of the bracket 8 for fixing the calibrated sensor 2, a first adjustment component and a second adjustment component arranged at the other end of the bracket 8 for providing tension and pressure, and a dynamometer 3 arranged between the first adjustment component and the calibrated sensor 2, the first adjustment component is used to roughly adjust the tension and pressure, the second adjustment component is used to precisely adjust the tension and pressure, the second adjustment component is fixed on the bracket 8, and the first adjustment component and the second adjustment component are connected. The combination of the two adjustment components realizes the process of applying pressure and tension to the calibrated sensor 2. The rough adjustment of the first adjustment component is rougher than the adjustment of the second adjustment component, and the fine adjustment of the second adjustment component is finer than the adjustment of the first adjustment component.
[0024] In some embodiments, the contact surface between the connecting flange 1 and the bracket 8 is a conical surface, and the axis of the conical surface is coaxial with the axis of the calibrated sensor 2. The positioning of the conical surface improves the centering of the calibrated sensor 2 and reduces the calibration error.
[0025] In some embodiments, the first adjustment component includes a first screw 4, a first adjustment nut, a first bearing group for connecting the first adjustment component and the second adjustment component, and a first handle 6 installed at one end of the first screw 4, and the other end of the first screw 4 is connected to the dynamometer 3.
[0026] In some embodiments, the second adjustment assembly includes a second screw 5, a second adjustment nut, a second bearing group for connecting the second adjustment assembly and the bracket 8, and a second handle 6 installed at one end of the second screw 5, and the other end of the second screw 5 is connected to the first adjustment nut.
[0027] In some embodiments, the pitch of the screw nut pair of the first adjustment assembly is greater than the pitch of the screw nut pair of the second adjustment assembly.
[0028] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.
Claims
1. A tension and pressure sensor calibration device, characterized in that: The device comprises a bracket (8), a connecting flange (1) arranged at one end of the bracket (8) for fixing the sensor (2) to be calibrated, a first adjusting component and a second adjusting component arranged at the other end of the bracket (8) for providing tension and pressure, and a dynamometer (3) arranged between the first adjusting component and the sensor (2) to be calibrated, The first adjustment component is used to roughly adjust the pulling and pressing force, and the second adjustment component is used to accurately adjust the pulling and pressing force. The second adjustment component is fixed on the bracket (8), and the first adjustment component and the second adjustment component are connected.
2. The tension and pressure sensor calibration device according to claim 1, characterized in that: The contact surface between the connecting flange (1) and the bracket (8) is a conical surface, and the axis of the conical surface is coaxial with the axis of the calibrated sensor (2).
3. The tension and pressure sensor calibration device according to claim 1, characterized in that: The first adjustment component comprises a first screw (4), a first adjustment nut, a first bearing group for connecting the first adjustment component and the second adjustment component, and a first handle (6) installed at one end of the first screw (4). The other end of the first lead screw (4) is connected to the dynamometer (3).
4. The tension and pressure sensor calibration device according to claim 3, characterized in that: The second adjustment assembly comprises a second lead screw (5), a second adjustment nut, a second bearing group for connecting the second adjustment assembly and the bracket (8), and a second handle (7) installed at one end of the second lead screw (5). The other end of the second lead screw (5) is connected to the first adjusting nut.
5. The tension and pressure sensor calibration device according to claim 4, characterized in that: The pitch of the screw nut pair of the first adjusting assembly is greater than the pitch of the screw nut pair of the second adjusting assembly.