CN211121595U - Calibration device of weighing sensor - Google Patents
Calibration device of weighing sensor Download PDFInfo
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- CN211121595U CN211121595U CN201921933894.4U CN201921933894U CN211121595U CN 211121595 U CN211121595 U CN 211121595U CN 201921933894 U CN201921933894 U CN 201921933894U CN 211121595 U CN211121595 U CN 211121595U
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- weighing sensor
- hydraulic jack
- sensor
- outer frame
- bottom plate
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Abstract
The utility model discloses a weighing sensor's calibration device. The utility model comprises an outer frame, a standard dynamometer, a weighing sensor, a gasket and a hydraulic jack, wherein the outer frame is mainly enclosed by a top plate, a bottom plate and two side plates, the two parallel top plates and the bottom plate are connected and fixed through the side plates at two sides, the bottom plate in the outer frame is sequentially provided with the standard dynamometer, the weighing sensor and the hydraulic jack, one side of the standard dynamometer is contacted with the side plate of the outer frame, the other side of the standard dynamometer is contacted with the weighing sensor, and the gasket for adjusting the gap between the weighing sensor and the hydraulic jack is arranged between the weighing sensor and the hydraulic jack; and the hydraulic jack is controlled to provide pressure, and the readings of the standard dynamometer and the weighing sensor are compared to calibrate the weighing sensor. The utility model discloses a many specifications of polytypic weighing sensor's demarcation, simple structure, reliable.
Description
Technical Field
The utility model belongs to the calibration device of sensor, concretely relates to can mark all kinds of weighing sensor's device.
Background
The new technology revolution has begun and the world has entered the information age. In the process of utilizing information, firstly, the accurate and reliable information is needed to be obtained, and the sensor is the main way and means for obtaining the information in the fields of nature and production. Therefore, it can be said that without many excellent sensors, the modern production is without the foundation.
During the use process of the sensor, errors may occur in the accuracy due to various reasons such as time, temperature, vibration, aging, damage and the like, for example, zero drift of the sensor and the like, so that the sensor needs to be calibrated regularly to ensure the measurement accuracy of the sensor. The weighing sensor also needs a calibration tool capable of bearing the maximum measuring range stress of the weighing sensor.
In order to ensure that the equipment works in a normal state, a set of calibration device of the weighing sensor is required to calibrate each weighing sensor regularly, and the measuring ranges and the appearance sizes of the weighing sensors of different models are different.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem in the background art, the utility model provides a weighing sensor's calibration device can bear the biggest range of all common weighing sensor, has certain commonality moreover, can mark the weighing sensor of each size.
The technical scheme of the utility model as follows:
the utility model discloses an outer frame, standard dynamometer, weighing sensor, gasket and hydraulic jack, outer frame mainly is enclosed by the roof, bottom plate and two blocks of curb plates, two roof and the bottom plate that are parallel to each other are connected fixedly through the curb plate of both sides, standard dynamometer, weighing sensor and hydraulic jack have been placed on the bottom plate in the outer frame in proper order, standard dynamometer one side contacts with the curb plate of outer frame, the opposite side contacts with weighing sensor, place the gasket of adjusting clearance between the two between weighing sensor and the hydraulic jack.
The gap between the weighing sensor and the hydraulic jack is adjusted within 20mm through a gasket.
The gasket has multiple thickness specifications, and is 10mm, 20mm, 30mm, 50mm respectively.
Through holes are formed in four corners of each side plate, the side plates are respectively connected with the top plate and the bottom plate through bolts which vertically penetrate through the through holes in the upper portion and the through holes in the lower portion of the side plates, the stress direction of the frame is parallel to the bolts, and the bolts are prevented from being broken due to lateral force.
The standard load cell includes a display and sensors connected by data lines, with the sensor range being greater than 20kN, ensuring that the full range of all common load cells can be calibrated.
The hydraulic jack comprises a hydraulic cylinder, a control handle connected with the hydraulic cylinder and an oil pipe, the maximum thrust of the hydraulic jack is greater than 20kN, and the full range of all common weighing sensors can be calibrated.
The utility model has the advantages that:
(1) the device of the utility model is simple in structure, reliable, can bear huge tension, be greater than whole weighing sensor's range.
(2) The utility model discloses be equipped with the clearance adjustment structure, can install the weighing sensor of whole sizes. The stress is uniform, the standard dynamometer and the calibrated weighing sensor are stressed completely and consistently, and the calibration accuracy is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the outer frame of the present invention.
Fig. 3 and 4 are side views of the installation of the present invention.
In the figure: 1. the device comprises a standard dynamometer, 2, side plates, 3, a top plate, 4, a bottom plate, 5, gaskets, 6, a hydraulic jack, 7 and a weighing sensor.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments:
as shown in fig. 1, the device of the present invention comprises an outer frame, a wide range standard force measuring instrument 1, a hydraulic jack 6, and a plurality of gaskets 5 with different thicknesses, wherein the outer frame is mainly enclosed by a top plate 3, a bottom plate 4 and two side plates 2, and the two parallel top plates 3 and bottom plates 4 are connected and fixed through the side plates 2 at both sides; the sensor of the standard dynamometer 1, the calibrated weighing sensor 7 and the hydraulic cylinder of the hydraulic jack 6 are sequentially placed in the outer frame.
As shown in fig. 2, the top plate 3 and the bottom plate 4 are arranged in parallel up and down, the two side plates 1 are respectively positioned on two sides of the top plate 3 and the bottom plate 4 and are arranged in parallel, and the mounting bolts penetrate through holes of the side plates 1 and are mounted in threaded holes of the top plate 3 and the bottom plate 4, so that the stress direction of the frame is ensured to be parallel to the mounting bolts, and the frame is more stable.
As shown in fig. 3 and 4, the weighing sensors of different models and specifications have different sizes, so that the gap conditions are different, one or more gaskets with different thicknesses can be selected according to the gap for adjustment, and finally the gap is controlled within 20mm, so that the installation stage is completed.
The specific embodiment is as follows:
and pressing a control handle of the hydraulic jack 6 to pressurize, pushing out a hydraulic cylinder of the hydraulic jack 6 until the gap is eliminated, continuously pressurizing, observing the display value of the standard dynamometer 1, comparing the display value with the value of the calibrated weighing sensor 7, and ensuring that the sensor works normally when the difference value is within the precision range. And continuously pressurizing, selecting more than 4 points within the measuring range of the weighing sensor 7 for comparison, and averagely selecting the points as much as possible. And (5) after the numerical value comparison is finished, releasing the pressure of the hydraulic jack 6, and finishing the calibration.
Claims (6)
1. The utility model provides a calibration device of weighing sensor, a serial communication port, including outer frame, standard dynamometer (1), weighing sensor (7), gasket (5) and hydraulic jack (6), outer frame mainly is enclosed by roof (3), bottom plate (4) and two blocks of curb plates (2), two roof (3) and bottom plate (4) that are parallel to each other are connected fixedly through curb plate (2) of both sides, the sensor of standard dynamometer (1) has been placed in proper order on bottom plate (4) in the outer frame, by calibrated weighing sensor (7) and hydraulic jack (6), side of standard dynamometer (1) contacts with curb plate (2) of outer frame, the opposite side contacts with weighing sensor (7), place between weighing sensor (7) and hydraulic jack (6) and adjust gasket (5) in clearance between the two.
2. A calibration device for a load cell according to claim 1, wherein the clearance between the load cell (7) and the hydraulic jack (6) is adjusted to within 20mm by means of a spacer (5).
3. Calibration arrangement for a load cell according to claim 1, characterized in that the spacer (5) has a plurality of thickness specifications.
4. The calibration device of the weighing sensor as recited in claim 1, wherein through holes are formed at four corners of each side plate (2), and the side plates (2) are respectively connected with the top plate (3) and the bottom plate (4) through bolts vertically penetrating through the through holes at the upper part and the lower part of the side plates (2).
5. The calibration device for the weighing sensor according to claim 1, wherein the standard load cell (1) comprises a display and a sensor which are connected through a data line, the display is used for displaying the pressure value to which the sensor is subjected, and the measuring range of the sensor is more than 20 kN.
6. Calibration device for a load cell according to claim 1, wherein the maximum thrust of the hydraulic jack (6) is greater than 20 kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933894.4U CN211121595U (en) | 2019-11-11 | 2019-11-11 | Calibration device of weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933894.4U CN211121595U (en) | 2019-11-11 | 2019-11-11 | Calibration device of weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211121595U true CN211121595U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921933894.4U Active CN211121595U (en) | 2019-11-11 | 2019-11-11 | Calibration device of weighing sensor |
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| CN (1) | CN211121595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857552A (en) * | 2021-03-08 | 2021-05-28 | 苏州龙双电子科技有限公司 | Weighing sensor calibration system and weighing sensor calibration method |
-
2019
- 2019-11-11 CN CN201921933894.4U patent/CN211121595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857552A (en) * | 2021-03-08 | 2021-05-28 | 苏州龙双电子科技有限公司 | Weighing sensor calibration system and weighing sensor calibration method |
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