CN210741740U - Calibration device for torque sensor - Google Patents
Calibration device for torque sensor Download PDFInfo
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- CN210741740U CN210741740U CN201920829677.4U CN201920829677U CN210741740U CN 210741740 U CN210741740 U CN 210741740U CN 201920829677 U CN201920829677 U CN 201920829677U CN 210741740 U CN210741740 U CN 210741740U
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Abstract
The utility model relates to a torque sensor is with calibration device, it includes fixing base, electric dynamometer machine, base, stifled commentaries on classics device, is markd torque sensor, calibration device and display instrument, and electric dynamometer machine and stifled commentaries on classics device are fixed on the fixing base, be markd torque sensor and place stifled commentaries on classics device is last, calibration device sets up on the base, calibration device with the display instrument electricity is connected, and calibration device includes calibration arm, dextrorotation slipknot bolt, draws pressure sensor, levogyration slipknot bolt and erection support, the output shaft of electric dynamometer machine the one end of being markd the torque sensor rotor, be connected by the other end of demarcating the torque sensor rotor calibration device's calibration arm. The utility model provides a calibration device for torque sensor, its simple structure, convenient operation, efficient, with low costs.
Description
Technical Field
The utility model relates to a torque sensor marks the field, specifically relates to a torque sensor is with calibration device.
Background
Torque sensors (also called torque sensors, torquemeters) are classified into two major categories, dynamic and static, wherein dynamic torque sensors are also called torque sensors, torque speed sensors, non-contact torque sensors, rotation torque sensors, etc. Torque sensors are the detection of the perception of torsional moments on various rotating or non-rotating mechanical components. The torque sensor converts the physical change of the torque force into an accurate electrical signal. The torque sensor can be applied to manufacture viscometers and electric (pneumatic and hydraulic) torque wrenches, and has the advantages of high precision, fast frequency response, good reliability, long service life and the like.
The torque sensor is widely applied to production and test activities as metering equipment, the precision of the torque sensor directly affects the accuracy of production and test, and therefore the torque sensor needs to be calibrated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the shortcoming that the current torque sensor calibration device that the aforesaid mentioned exists, provide a calibration device for torque sensor, its simple structure, convenient operation, efficient, with low costs.
In particular to a calibration device for a torque sensor, which comprises a fixed seat, an electric dynamometer, a base, a locked rotor device, a calibrated torque sensor, a calibration device and a display instrument,
the electric dynamometer and the locked rotor device are fixed on the fixed seat, the calibrated torque sensor is placed on the locked rotor device, the calibration device is arranged on the base and is electrically connected with the display instrument,
the calibration device comprises a calibration arm, a right-handed slipknot bolt, a pulling pressure sensor, a left-handed slipknot bolt and an installation support, wherein the calibration arm is connected with the right-handed slipknot bolt through a first pin shaft, the pulling pressure sensor is arranged below the right-handed slipknot bolt, the pulling pressure sensor is connected with the left-handed slipknot bolt by means of a bolt structure, the left-handed slipknot bolt is fixed on the installation support by means of a second pin shaft, the installation support is further fixed on the base,
the output shaft of the electric dynamometer is connected with one end of the calibrated torque sensor rotor, and the other end of the calibrated torque sensor rotor is connected with the calibration arm of the calibration device.
Preferably, the bolt structure includes a stud bolt and an adjustment screw.
Preferably, the calibration arm is connected with the calibrated torque sensor rotor through a bolt.
Preferably, the right-handed slipknot bolt is connected with the pull pressure sensor through threads, the pull pressure sensor is connected with the adjusting screw through a stud, the adjusting screw is connected with the left-handed slipknot bolt through threads, the mounting support is connected with the base through a bolt, and the base is connected with the iron floor through a T-shaped nut.
Preferably, the electric dynamometer output shaft flange is provided with the locked rotor device, the locked rotor device is used for preventing the calibrated torque sensor rotor from rotating, and the calibrated torque sensor rotor can be adjusted to ensure that the calibration arm is horizontal.
Preferably, the locked-rotor device comprises a limiting support and a limiting base, the limiting support is connected with an output shaft of the electric dynamometer through a pin shaft, two sides of the limiting support are respectively provided with one limiting base, and the limiting bases on two sides are respectively fixed with the fixing base through bolts.
Preferably, an adjusting bolt for adjusting the angle of the output shaft of the electric dynamometer is arranged on the limiting base.
Preferably, the calibration arm is provided with a plurality of mounting holes of gradually decreasing diameter.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a calibration device for torque sensor, its simple structure, convenient operation, efficient, with low costs. The screw rod adjusting mode is used for replacing the traditional weight loading mode, the stepless adjustment of loading force can be realized, the loading efficiency is greatly improved, and the large-torque calibration is facilitated;
the utility model uses the tension and pressure sensor to measure the torque value, simplifies the structure of the calibration device and reduces the cost;
the utility model discloses a single calibration arm's mode has simplified the calibration device structure, the cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the calibration device of the present invention;
fig. 3 is a schematic structural diagram of the calibration arm of the present invention.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
Specifically, the utility model provides a calibration device for torque sensor, as shown in fig. 1, it includes fixing base 100, electric dynamometer 200, base 10, stifled commentaries on classics device, is markd torque sensor 300, calibration device 400 and display instrument 13.
The electric dynamometer 200 and the locked rotor device are fixed on the fixed seat 100, the calibrated torque sensor 300 is placed on the locked rotor device, the calibration device 400 is arranged on the base, and the calibration device 400 is electrically connected with the display instrument 13.
The output shaft of the electric dynamometer 200 is connected to one end of the rotor of the calibrated torque sensor 300, and the other end of the rotor of the calibrated torque sensor 300 is connected to the calibration arm of the calibration device 400.
The locked-rotor device comprises a limiting support 11 and limiting bases 12, the limiting support 11 is connected with an output shaft of the electric dynamometer through a pin shaft, the limiting bases 12 are arranged on two sides of the limiting support 11 respectively, and the limiting bases 12 on two sides are fixed with the fixing base through bolts respectively.
In the concrete application, the calibration arm 1 is connected with a calibrated torque sensor rotor through a bolt, the calibration arm 1 is connected with a right-handed slipknot bolt 3 through a first pin shaft 2, the right-handed slipknot bolt 3 is connected with a pull pressure sensor 4 through a thread, the pull pressure sensor 4 is connected with an adjusting screw 6 through a stud 5, the adjusting screw 5 is connected with a left-handed slipknot bolt 7 through a thread, the left-handed slipknot bolt 7 is connected with an installation support 9 through a second pin shaft 8, the installation support 9 is connected with a base 10 through a bolt, and the base 10 is connected with an iron floor through a T-shaped nut.
The electric dynamometer is provided with a locked rotor device on an output shaft flange, is used for preventing the calibrated torque sensor rotor from rotating, and can adjust the calibrated torque sensor rotor to ensure the calibration arm to be horizontal.
The rotation blocking device mainly comprises a limiting support 11 and a limiting base 12, the limiting support 11 is connected with an output shaft of the electric dynamometer through a pin shaft, the limiting bases 12 on two sides are fixed with the dynamometer base through bolts respectively, and the angle of the output shaft of the dynamometer can be adjusted and fixed through adjusting bolts arranged on the limiting bases 12 on two sides.
Preferably, as shown in fig. 3, the calibration arm 1 is provided with a plurality of mounting holes 111 with gradually reduced diameters to adapt to different tested pieces.
The following further explains the use method of the present invention:
firstly, connecting all parts of a torque sensor calibration device according to the attached drawing 1, then placing a horizontal ruler on the upper plane of a calibration arm 1, ensuring the calibration arm 1 to be horizontal by adjusting bolts on limiting bases 12 at two ends, screwing the adjusting bolts, ensuring the torque sensor rotor to be fixed, adjusting the position of a base 10 on an iron floor and the screwing depth of a stud 5, ensuring that a pin shaft II 8 is not stressed, fixing the bolts between the base 10 and the iron floor, resetting the value of a tension pressure sensor 4 on a display instrument 13 and the display value of the calibrated torque sensor, rotating an adjusting screw 6 to apply tension or lift force, simultaneously recording the readings of the torque sensor and the tension pressure sensor, testing a plurality of groups of data as required, comparing the values of the torque sensor and the tension pressure sensor, and calibrating the torque sensor according to a torque sensor calibration program.
According to the technical scheme, the calibration arm adopts a semi-calibration arm structure, the design ensures that the distance from the center of the torque sensor to the center of the pin shaft of the calibration arm is 1000 +/-0.1 mm, and as shown in the attached figure 2, the reading value of the force displayed by the tension and pressure sensor can be directly converted into the torque value.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a calibration device for torque sensor, its simple structure, convenient operation, efficient, with low costs. The screw rod adjusting mode is used for replacing the traditional weight loading mode, the stepless adjustment of loading force can be realized, the loading efficiency is greatly improved, and the large-torque calibration is facilitated;
the utility model uses the tension and pressure sensor to measure the torque value, simplifies the structure of the calibration device and reduces the cost;
the utility model discloses a single calibration arm's mode has simplified the calibration device structure, the cost is reduced.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A calibration device for a torque sensor is characterized in that: which comprises a fixed seat, an electric dynamometer, a base, a locked rotor device, a calibrated torque sensor, a calibration device and a display instrument,
the electric dynamometer and the locked rotor device are fixed on the fixed seat, the calibrated torque sensor is placed on the locked rotor device, the calibration device is arranged on the base and is electrically connected with the display instrument,
the calibration device comprises a calibration arm, a right-handed slipknot bolt, a pulling pressure sensor, a left-handed slipknot bolt and an installation support, wherein the calibration arm is connected with the right-handed slipknot bolt through a first pin shaft, the pulling pressure sensor is arranged below the right-handed slipknot bolt, the pulling pressure sensor is connected with the left-handed slipknot bolt by means of a bolt structure, the left-handed slipknot bolt is fixed on the installation support by means of a second pin shaft, the installation support is further fixed on the base,
the output shaft of the electric dynamometer is connected with one end of the calibrated torque sensor rotor, and the other end of the calibrated torque sensor rotor is connected with the calibration arm of the calibration device.
2. The calibration device for the torque sensor according to claim 1, wherein: the bolt structure comprises a stud and an adjusting screw.
3. The calibration device for the torque sensor according to claim 2, wherein: the calibration arm is connected with the calibrated torque sensor rotor through a bolt.
4. The calibration device for the torque sensor according to claim 2, wherein: the right-handed slipknot bolt is connected with the pull pressure sensor through threads, the pull pressure sensor is connected with the adjusting screw rod through a stud, the adjusting screw rod is connected with the left-handed slipknot bolt through threads, the mounting support is connected with the base through a bolt, and the base is connected with the iron floor through a T-shaped nut.
5. The calibration device for the torque sensor according to claim 1, wherein: the electric dynamometer output shaft flange is provided with the locked rotor device, the locked rotor device is used for preventing the calibrated torque sensor rotor from rotating, and the calibrated torque sensor rotor can be adjusted to ensure that the calibration arm is horizontal.
6. The calibration device for the torque sensor according to claim 5, wherein: the locked-rotor device comprises a limiting support and limiting bases, the limiting support is connected with an output shaft of the electric dynamometer through a pin shaft, the limiting bases are arranged on two sides of the limiting support respectively, and the limiting bases on two sides are fixed with the fixing base through bolts respectively.
7. The calibration device for the torque sensor according to claim 6, wherein: and the limiting base is provided with an adjusting bolt for adjusting the angle of the output shaft of the electric dynamometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829677.4U CN210741740U (en) | 2019-06-03 | 2019-06-03 | Calibration device for torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829677.4U CN210741740U (en) | 2019-06-03 | 2019-06-03 | Calibration device for torque sensor |
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| Publication Number | Publication Date |
|---|---|
| CN210741740U true CN210741740U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920829677.4U Active CN210741740U (en) | 2019-06-03 | 2019-06-03 | Calibration device for torque sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795773A (en) * | 2020-08-10 | 2020-10-20 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device and calibration method |
| CN112798161A (en) * | 2021-01-25 | 2021-05-14 | 安徽农业大学 | Continuous force-variable torsion angle gauge |
| CN113701972A (en) * | 2021-08-26 | 2021-11-26 | 青岛科技大学 | Slipknot screw type rapid combination circular quality system with guide rod |
| CN114235393A (en) * | 2021-12-09 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Helicopter main reducer rotor torque static calibration method |
| CN111795773B (en) * | 2020-08-10 | 2024-04-26 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device and calibration method |
-
2019
- 2019-06-03 CN CN201920829677.4U patent/CN210741740U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795773A (en) * | 2020-08-10 | 2020-10-20 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device and calibration method |
| CN111795773B (en) * | 2020-08-10 | 2024-04-26 | 海卓(武汉)自动化科技有限公司 | Large-torque sensor calibration device and calibration method |
| CN112798161A (en) * | 2021-01-25 | 2021-05-14 | 安徽农业大学 | Continuous force-variable torsion angle gauge |
| CN113701972A (en) * | 2021-08-26 | 2021-11-26 | 青岛科技大学 | Slipknot screw type rapid combination circular quality system with guide rod |
| CN113701972B (en) * | 2021-08-26 | 2024-01-30 | 青岛科技大学 | Loose-knot screw type quick-combination circular quality system with guide rod |
| CN114235393A (en) * | 2021-12-09 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Helicopter main reducer rotor torque static calibration method |
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