CN114323426A - Calibration device and calibration method of torque measurement system - Google Patents
Calibration device and calibration method of torque measurement system Download PDFInfo
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- CN114323426A CN114323426A CN202111578771.5A CN202111578771A CN114323426A CN 114323426 A CN114323426 A CN 114323426A CN 202111578771 A CN202111578771 A CN 202111578771A CN 114323426 A CN114323426 A CN 114323426A
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- 238000005259 measurement Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 5
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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Abstract
The invention relates to the technical field of torque calibration, in particular to a calibration device and a calibration method of a torque measurement system; the calibration device of the torque measurement system comprises a test structure and a calibration structure, wherein the test structure is arranged on two sides of the main shaft, and the calibration structure is connected with the test structure and arranged on one side of the test structure; the calibration structure comprises a connecting rod, an adjusting piece and a driving hand wheel, the connecting rod is connected with the testing device and the adjusting piece, the driving hand wheel is arranged on one side of the connecting rod, the adjusting piece is arranged on the outer side of the connecting rod, the structure of the calibration device is improved, the connecting rod is utilized to arrange the main shaft to be tested, and the adjusting piece and the driving hand wheel are assisted, so that the adjustment work of the main shaft to be tested is met, the test structure is matched, the calibration work of the main shaft to be tested can be achieved, and the problem that the accuracy is not enough after the measurement system is used for a long time is solved.
Description
Technical Field
The invention relates to the technical field of torque calibration, in particular to a calibration device and a calibration method of a torque measurement system.
Background
The torque is used as an important parameter of the rotary machine, and if the torque value of the mechanical part to be measured can be accurately and quickly measured, the torque value has important significance on the running state of the mechanical part and the performance of the rotary machine;
in the prior art, a measuring system is mostly adopted to measure the torque, but after the torque measuring system is used for a long time, the measuring system is mostly required to be calibrated again, and a calibrating device adopted in the prior art can not realize accurate calibration generally, so that the accuracy of the measuring system is influenced.
Disclosure of Invention
The invention aims to provide a calibration device and a calibration method of a torque measurement system, and aims to solve the problem that the calibration device in the prior art cannot realize accurate calibration.
In order to achieve the above object, the present invention provides a calibration device of a torque measurement system, the calibration device of the torque measurement system includes a test structure and a calibration structure, the test structure is disposed on two sides of a main shaft, the calibration structure is connected with the test structure and disposed on one side of the test structure;
the calibration structure comprises a connecting rod, an adjusting piece and a driving hand wheel, the connecting rod is connected with the testing device and the adjusting piece, the driving hand wheel is arranged on one side of the connecting rod, and the adjusting piece is arranged on the outer side of the connecting rod.
The testing structure is utilized to test the torque, the calibration structure is utilized to calibrate the torque, the connecting rod is matched with the main shaft to be tested, so that the arrangement of the main shaft to be tested is met, and the adjusting piece and the driving hand wheel are matched, so that the calibration of the measuring system can be realized.
The adjusting part comprises a height adjusting part and a length adjusting part, the height adjusting part is arranged at the tail end of the connecting rod, and the length adjusting part is arranged on the lower side of the connecting rod and is in sliding connection with the connecting rod.
The height adjusting part is used for adjusting the height of the main shaft to be measured, the length adjusting part is used for adjusting the length of the main shaft to be measured, and the height and the length of the main shaft to be measured can be adjusted by matching the height adjusting part with the length adjusting part, so that the use requirement is met.
Wherein, the height adjusting part includes two adjusting sleeves and two cooperation archs, two the adjusting sleeve is equallyd divide do not with two the protruding one-to-one fixed connection of cooperation, and two the adjusting sleeve all passes through the cooperation protruding with the connecting rod rotates and is connected.
The height adjusting piece is through rotating the adjusting sleeve, so that the rotation of the adjusting sleeve drives the matching protrusion to rotate, and then the height adjusting of the height adjusting piece can be realized, and the height of the main shaft to be measured can be adjusted as required.
The length adjusting piece comprises a butt joint disc and an adjusting rod, the butt joint disc is in threaded connection with the adjusting rod, one end of the adjusting rod is fixedly connected with the height adjusting piece, and the other end of the adjusting rod is matched with the butt joint disc.
The butt joint disc is matched with the adjusting rod, and the butt joint disc is driven to move through the rotation of the adjusting rod, so that the torque test requirement of the main shaft to be tested is met.
The driving hand wheel comprises a screw rod and a holding handle, the holding handle is fixedly connected with one end of the screw rod, the holding handle is rotatably connected with the connecting rod through the screw rod, and the screw rod is arranged on the back side of the connecting rod.
The screw rod rotates under the rotation of the holding handle, and the rotation of the holding handle drives the screw rod to be bundled on the connecting rod, so that the clamping stability of the spindle to be tested is changed.
Wherein, the handle of gripping is including the rolling disc that is equipped with the scale and the restriction dish of two relative settings, two the restriction dish all with screw rod threaded connection, and two the inside screw thread opposite direction of restriction dish, two the restriction dish cover is located the upside of screw rod, the rolling disc then set up in the bottom of screw rod, and with screw rod fixed connection, the scale then set up in the lateral surface of rolling disc.
The two limiting discs pass through opposite thread directions, so that when the screw rod rotates, the two limiting discs can move towards or away from each other, the rotating discs serve as supports to match the two screw rods to rotate, and the scales are convenient for scale display of the distance between the two limiting discs.
The invention also provides a calibration method of the torque measurement system, which adopts the calibration device,
the method comprises the following steps:
placing a main shaft to be measured in a calibration structure, placing the main shaft to be measured on a connecting rod, and adjusting an adjusting piece to fix the main shaft to be measured on the connecting rod;
starting a testing device to test the torque;
and when the calibration is carried out, the driving hand wheel is adjusted, so that the height and the length of the main shaft to be tested are adaptive to the test requirement.
And correspondingly providing a calibration method corresponding to the change of the calibration device, and after the test is carried out, the test structure and the calibration structure are changed, so that the calibration work of the spindle to be tested can be better and more stably realized, and the subsequent work requirements are further met.
According to the calibration device and the calibration method of the torque measurement system, the structure of the calibration device is improved, the main shaft to be measured is arranged by the connecting rod, and the adjusting piece and the driving hand wheel are used as auxiliary materials, so that the adjustment work of the main shaft to be measured is met, the calibration work of the main shaft to be measured can be realized by matching with the test structure, and the problem of insufficient accuracy of the measurement system after long-term use is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an axis measurement structure of a calibration device of a torque measurement system provided by the invention.
Fig. 2 is a schematic cross-sectional structural diagram of a calibration device of a torque measurement system provided by the invention.
Fig. 3 is a schematic top view of a calibration device of a torque measurement system provided in the present invention.
Fig. 4 is a schematic diagram of an axis measurement structure of a calibration device of a torque measurement system provided by the invention.
Fig. 5 is a schematic axial-measurement structural diagram of a test structure of a calibration device of a torque measurement system provided by the invention.
FIG. 6 is a schematic diagram illustrating the steps of a calibration method for a torque measurement system according to the present invention.
1-testing structure, 2-calibrating structure, 3-driven ring, 4-induction part, 5-connecting rod, 6-adjusting part, 7-driving hand wheel, 8-sawtooth, 9-iron core, 10-ring body, 11-electromagnetic coil, 12-electromagnetic inductor, 13-height adjusting part, 14-length adjusting part, 15-screw, 16-holding handle, 17-adjusting sleeve, 18-matching bulge, 19-abutting disc, 20-adjusting rod, 21-rotating disc, 22-limiting disc and 23-scale.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides a calibration device of a torque measurement system, the calibration device of the torque measurement system includes a test structure 1 and a calibration structure 2, the test structure 1 is disposed on two sides of a main shaft, and the calibration structure 2 is connected to the test structure 1 and disposed on one side of the test structure 1;
the calibration structure 2 comprises a connecting rod 5, an adjusting piece 6 and a driving hand wheel 7, wherein the connecting rod 5 is connected with the testing device and the adjusting piece 6, the driving hand wheel 7 is arranged on one side of the connecting rod 5, and the adjusting piece 6 is arranged on the outer side of the connecting rod 5.
In the embodiment, the test structure 1 is used for testing the torque, the calibration structure 2 is used for calibrating the torque, the connecting rod 5 is matched with the main shaft to be tested, so that the arrangement of the main shaft to be tested is met, and the adjusting piece 6 and the driving hand wheel 7 are matched, so that the calibration of the measuring system can be realized.
Further, the adjusting part 6 comprises a height adjusting part 13 and a length adjusting part 14, the height adjusting part 13 is disposed at the end of the connecting rod 5, and the length adjusting part 14 is disposed at the lower side of the connecting rod 5 and slidably connected to the connecting rod 5.
In this embodiment, the height adjusting part 13 is used for adjusting the height of the main shaft to be measured, and the length adjusting part 14 is used for adjusting the length of the main shaft to be measured, so that the height and the length of the main shaft to be measured can be adjusted by matching the height adjusting part 13 with the length adjusting part 14, and the use requirement is further met.
Further, height adjusting piece 13 includes two adjusting sleeve 17 and two cooperation archs 18, two adjusting sleeve 17 equally divide do not with two cooperation archs 18 one-to-one fixed connection, and two adjusting sleeve 17 all passes through cooperation archs 18 with connecting rod 5 is rotated and is connected.
In this embodiment, the height adjusting part 13 is through rotating the adjusting sleeve 17, so that the rotation of the adjusting sleeve 17 drives the matching protrusion 18 to rotate, and then the height adjustment of the height adjusting part 13 can be realized, so that the height of the spindle to be measured can be adjusted as required.
Further, the length adjusting part 14 includes a abutting disc 19 and an adjusting rod 20, the abutting disc 19 is in threaded connection with the adjusting rod 20, one end of the adjusting rod 20 is fixedly connected with the height adjusting part 13, and the other end of the adjusting rod 20 is matched with the abutting disc 19.
In this embodiment, the abutting disc 19 cooperates with the adjusting rod 20, and the rotation of the adjusting rod 20 drives the abutting disc 19 to move, so as to meet the torque test requirement of the spindle to be tested.
Further, the driving handwheel 7 comprises a screw rod 15 and a holding handle 16, the holding handle 16 is fixedly connected with one end of the screw rod 15, the holding handle 16 is rotatably connected with the connecting rod 5 through the screw rod 15, and the screw rod 15 is arranged on the back side of the connecting rod 5.
In this embodiment, the screw 15 rotates under the rotation of the handle 16, and the rotation of the handle 16 drives the screw 15 to be retracted on the connecting rod 5, so as to change the clamping stability of the spindle to be measured.
Further, test structure 1 includes driven ring 3 and response 4, driven ring 3 set up in test structure 1's the outside, and with test structure 1 passes through the coupling joint, response 4 encircles driven ring 3 sets up, just response 4 with the cooperation of driven ring 3.
In this embodiment, the driven ring 3 cooperates with the sensing part 4, and the driven ring 3 is connected with the spindle to be measured, so that the driven ring 3 is driven to rotate when the spindle to be measured rotates, and the driven ring 3 rotates to cooperate with the sensing part 4 to realize the measurement of the torque.
Further, the sensing member 4 includes an electromagnetic coil 11 and an electromagnetic inductor 12, the electromagnetic coil 11 is disposed around the driven ring 3 and connected to the electromagnetic inductor 12, and the electromagnetic inductor 12 is used for measuring the magnetic flux variation.
In the present embodiment, the electromagnetic coils 11 are fitted around the outside of the driven ring 3, and the rotation of the driven ring 3 affects the internal magnetic flux of the electromagnetic coil 11 group to cause a voltage change, and the torque is measured by the voltage change.
Further, driven ring 3 includes a plurality of sawtooth 8, a plurality of iron core 9 and ring body 10, ring body 10 encircles the main shaft setting that awaits measuring, and is a plurality of sawtooth 8 encircles ring body 10 sets up, and is a plurality of sawtooth 8 set up in the periphery side of ring body 10, it is a plurality of iron core 9 homogeneous one corresponds set up in a plurality of the top of sawtooth 8.
In this embodiment, a plurality of iron cores 9 are arranged on the plurality of saw teeth 8, so that the driven ring 3 can cut the magnetic field of the electromagnetic coil 11 in the rotating process, and further the electromagnetic coil 11 group generates voltage to match the electromagnetic inductor 12, and the change of torque is obtained through the change of voltage, when calibration is needed, the adjusting piece 6 is adjusted, so that the position of the spindle to be measured in the electromagnetic coil 11 is changed, that is, the position of the spindle to be measured in the electromagnetic coil 11 is adjusted through the height adjusting piece 13 and the length adjusting piece 14, so that the spindle to be measured is adjusted, and calibration can be completed after a preset standard is reached.
Furthermore, the handle 16 includes a rotating disc 21 provided with a scale 23 and two oppositely disposed limiting discs 22, the two limiting discs 22 are both in threaded connection with the screw rod 15, the internal thread directions of the two limiting discs 22 are opposite, the two limiting discs 22 are sleeved on the upper side of the screw rod 15, the rotating disc 21 is disposed at the bottom of the screw rod 15 and is fixedly connected with the screw rod 15, and the scale 23 is disposed on the outer side surface of the rotating disc 21.
The two limiting discs 22 pass through opposite thread directions, so that when the screw 15 rotates, the two limiting discs 22 can move towards or away from each other, the rotating disc 21 serves as a support and is matched with the two screw 15 to rotate, and the scales 23 are convenient for displaying the distance between the two limiting discs 22 in a scale 23 mode.
The invention also provides a calibration method of the torque measurement system, which adopts the calibration device,
the method comprises the following steps:
s101: placing a main shaft to be measured in the calibration structure 2, placing the main shaft to be measured on the connecting rod 5, and adjusting the adjusting piece 6 to fix the main shaft to be measured on the connecting rod 5;
s102: starting a testing device to test the torque;
s103: and when the calibration is carried out, the driving hand wheel 7 is adjusted, so that the height and the length of the main shaft to be tested are adapted to the test requirements.
In this embodiment, a calibration method is correspondingly proposed corresponding to the change of the calibration device, and after the test is performed, the test structure 1 and the calibration structure 2 are changed, so that the calibration work of the spindle to be tested can be better and more stably realized, and further the subsequent work requirements can be met.
According to the calibration device and the calibration method of the torque measurement system, the structure of the calibration device is improved, the main shaft to be measured is arranged by the connecting rod 5, and the adjusting piece 6 and the driving hand wheel 7 are used as auxiliary materials, so that the adjustment work of the main shaft to be measured is met, the calibration work of the main shaft to be measured can be realized by matching with the test structure 1, and the problem of insufficient accuracy of the measurement system after long-term use is solved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A calibration device of a torque measurement system is characterized in that,
the calibration device of the torque measurement system comprises a test structure and a calibration structure, wherein the test structure is arranged on two sides of the main shaft, and the calibration structure is connected with the test structure and arranged on one side of the test structure;
the calibration structure comprises a connecting rod, an adjusting piece and a driving hand wheel, the connecting rod is connected with the testing device and the adjusting piece, the driving hand wheel is arranged on one side of the connecting rod, and the adjusting piece is arranged on the outer side of the connecting rod.
2. A calibration arrangement for a torque measuring system according to claim 1,
the regulating part comprises a height regulating part and a length regulating part, the height regulating part is arranged at the tail end of the connecting rod, and the length regulating part is arranged at the lower side of the connecting rod and is in sliding connection with the connecting rod.
3. A calibration arrangement for a torque measuring system according to claim 2,
the height adjusting part comprises two adjusting sleeves and two matching protrusions, wherein the adjusting sleeves are equally divided into two parts which are fixedly connected with the matching protrusions in a one-to-one correspondence mode, and the adjusting sleeves are all connected with the connecting rod in a rotating mode.
4. A calibration arrangement for a torque measuring system according to claim 3,
the length adjustment piece includes butt dish and regulation pole, butt dish with adjust pole threaded connection, the one end of adjusting the pole with height adjustment spare fixed connection, the other end of adjusting the pole with the cooperation of butt dish.
5. Calibration arrangement for a torque measuring system according to claim 4,
the driving hand wheel comprises a screw rod and a holding handle, the holding handle is fixedly connected with one end of the screw rod, the holding handle is rotatably connected with the connecting rod through the screw rod, and the screw rod is arranged on the back side of the connecting rod.
6. A calibration arrangement for a torque measuring system according to claim 5,
the handle grips including the rolling disc that is equipped with the scale and the restriction dish of two relative settings, two the restriction dish all with screw rod threaded connection, and two the inside screw thread opposite direction of restriction dish, two the restriction dish cover is located the upside of screw rod, the rolling disc then set up in the bottom of screw rod, and with screw rod fixed connection, the scale then set up in the lateral surface of rolling disc.
7. A calibration method of a torque measurement system, using the calibration apparatus according to claim 6,
the method comprises the following steps:
placing a main shaft to be measured in a calibration structure, placing the main shaft to be measured on a connecting rod, and adjusting an adjusting piece to fix the main shaft to be measured on the connecting rod;
starting a testing device to test the torque;
and when the calibration is carried out, the driving hand wheel is adjusted, so that the height and the length of the main shaft to be tested are adaptive to the test requirement.
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CN202111578771.5A CN114323426A (en) | 2021-12-22 | 2021-12-22 | Calibration device and calibration method of torque measurement system |
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CN202111578771.5A CN114323426A (en) | 2021-12-22 | 2021-12-22 | Calibration device and calibration method of torque measurement system |
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Citations (9)
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CN101216363A (en) * | 2008-01-09 | 2008-07-09 | 张力 | Torductor calibration equipment |
CN102253243A (en) * | 2011-06-08 | 2011-11-23 | 中北大学 | Phase difference calibrating system for rotating shaft |
CN103398810A (en) * | 2013-08-08 | 2013-11-20 | 上海电机学院 | Non-contact torque and power measuring device and method |
CN104316781A (en) * | 2014-07-28 | 2015-01-28 | 台州市质量技术监督检测研究院 | Non-contact rapid testing apparatus for electric tool performance |
CN207964161U (en) * | 2018-03-30 | 2018-10-12 | 广西玉柴机器股份有限公司 | A kind of transmission shaft foil gauge signal scaling holder |
CN111006804A (en) * | 2020-01-14 | 2020-04-14 | 平顶山学院 | Torque measuring device and measuring method thereof |
CN111044215A (en) * | 2019-12-25 | 2020-04-21 | 北京石油化工学院 | Centering reference type torque sensor calibration and test bench |
CN111458072A (en) * | 2020-05-27 | 2020-07-28 | 南京高速齿轮制造有限公司 | Calibration device and calibration method of torque measurement system |
CN212363512U (en) * | 2020-08-26 | 2021-01-15 | 东北林业大学 | Magnetic focusing type sensor with variable number of turns |
-
2021
- 2021-12-22 CN CN202111578771.5A patent/CN114323426A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101216363A (en) * | 2008-01-09 | 2008-07-09 | 张力 | Torductor calibration equipment |
CN102253243A (en) * | 2011-06-08 | 2011-11-23 | 中北大学 | Phase difference calibrating system for rotating shaft |
CN103398810A (en) * | 2013-08-08 | 2013-11-20 | 上海电机学院 | Non-contact torque and power measuring device and method |
CN104316781A (en) * | 2014-07-28 | 2015-01-28 | 台州市质量技术监督检测研究院 | Non-contact rapid testing apparatus for electric tool performance |
CN207964161U (en) * | 2018-03-30 | 2018-10-12 | 广西玉柴机器股份有限公司 | A kind of transmission shaft foil gauge signal scaling holder |
CN111044215A (en) * | 2019-12-25 | 2020-04-21 | 北京石油化工学院 | Centering reference type torque sensor calibration and test bench |
CN111006804A (en) * | 2020-01-14 | 2020-04-14 | 平顶山学院 | Torque measuring device and measuring method thereof |
CN111458072A (en) * | 2020-05-27 | 2020-07-28 | 南京高速齿轮制造有限公司 | Calibration device and calibration method of torque measurement system |
CN212363512U (en) * | 2020-08-26 | 2021-01-15 | 东北林业大学 | Magnetic focusing type sensor with variable number of turns |
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