CN102692296B - Full automatic calibrating device of standard force-measuring lever - Google Patents
Full automatic calibrating device of standard force-measuring lever Download PDFInfo
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- CN102692296B CN102692296B CN201210176980.1A CN201210176980A CN102692296B CN 102692296 B CN102692296 B CN 102692296B CN 201210176980 A CN201210176980 A CN 201210176980A CN 102692296 B CN102692296 B CN 102692296B
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Abstract
A full automatic calibrating device of a standard force measuring lever includes a force-applying unit, a force transducer, a controller and a force display instrument, wherein the force-applying unit includes a lifting connecting component, a lifting platform, a stepping motor and a speed reducing mechanism; the stepping motor and the speed reducing mechanism are both mounted on the base; control signal input ends of the stepping motor and the speed reducing mechanism are both connected with a control signal output end of the controller; the output shaft of the stepping motor drives the lifting platform to move in the vertical direction; a support point end of a to-be-tested lever is connected with the lifting connecting component through a cylindrical bearing, and the weight-bearing point end of the to-be-tested lever is fixed on a top rod; a force transducer is arranged between the to-be-tested lever and the top rod; the output end of the force transducer is connected with the input end of the controller; and the output end of the controller is connected with the force display instrument. The device can automatically adjust and monitor the deformation magnitude of the lever during the loading/unloading process, can read the data and can be communicated with an upper computer, thereby realizing paperless calibrating process.
Description
Technical field
The present invention relates to a kind of full-automatic calibrating installation of indicating standard force-measuring lever force value, particularly there is the calibrating installation of lever balance inspection adjusting system, specifically a kind of full automatic standard dynamometry lever calibrating installation.
Background technology
Existing standard dynamometry lever calibrating installation is a kind of manual simplified charger.
The problem existing mainly contains:
1, range is narrow.Whole device uses single proof force sensor, and useful range is limited;
2, bad adaptability.Sensor force and manual loading force relative position are fixed, and cannot adapt to the calibrating demand of dissimilar standard force-measuring lever;
3, time-consuming, effort, emphasis end manual loading power value, very painstaking while particularly loading the above power value of 3000N, and whole verification process is consuming time longer;
4, calibrating accuracy is difficult to ensure.Be subject to apparatus structure restriction verification process Plays power sensor to be subject to cross component force in various degree, cause power value to show misalignment.
Summary of the invention
The object of the invention is for the existing the problems referred to above of existing standard dynamometry lever calibrating installation, propose a kind of full automatic standard dynamometry lever calibrating installation.This device can automatically detect lever balance position and automatically be adjusted, can monitor lever and add the amplitude of deformation in uninstall process, and the data that produce in verification process can be read automatically, after relevant treatment, automatically generate raw readings and certificate, and can carry out communication with host computer, realize verification process with no paper.
Technical scheme of the present invention is:
A kind of full automatic standard dynamometry lever calibrating installation, it comprises push rod, two pillars, base, afterburning unit, force cell, controller and dynamometry Displaying Meter, and described afterburning unit comprises lifting link, hoistable platform, stepper motor and reducing gear, described push rod is fixedly connected with by two pillars with the two ends of base, hoistable platform push rod and base between, the two ends of hoistable platform are respectively equipped with a through hole, be sleeved on the outside of two pillars, stepper motor and reducing gear are installed on base, the control signal input end of stepper motor and reducing gear is all connected with the control signal output terminal of controller, the output shaft of stepper motor is by reducing gear connecting thread elevating lever, drive hoistable platform to move up and down in the vertical direction, lifting link is arranged on the upper surface of hoistable platform, a cylindrical bearing is equipped with at the top of lifting link, the top of cylindrical bearing connect lever to be measured support end, the emphasis end of lever to be measured is fixed on push rod, between lever to be measured and push rod, install force cell, the signal output part of force cell is connected with the dynamometry signal input part of control, the signal output part of controller is connected with dynamometry Displaying Meter, output dynamometry result.
Device of the present invention also comprises grooved guiding parts and pin, described grooved guiding parts is arranged on the upper surface of hoistable platform, lifting link coordinates with the horizontal guide slot of grooved guiding parts by pin, along with the movement of pin in the horizontal guide slot of grooved guiding parts, lifting link does the motion of horizontal direction.
Device of the present invention also comprises at least two airborne laser range finders, described each airborne laser range finder is installed on push rod, be certain distance with lever to be measured, for detection of the horizontality of lever to be measured, the detection signal output terminal of each airborne laser range finder is connected with the corresponding detection signal input end of controller.
Airborne laser range finder of the present invention is two, and the luminous point of two airborne laser range finders is arranged in the both sides of lever to be measured uniformly.
Device of the present invention also comprises angle of inclination indicating mechanism, and described angle of inclination indicating mechanism is arranged on a side of cylindrical bearing, for detection of the stressed axis of lifting link and the plumbness of surface level.
Controller of the present invention carries out communication by communication module and host computer, and storage detects data.
Beneficial effect of the present invention:
The present invention adds to stepper motor and reducing gear the power effect of unloading by controller, add the amplitude of deformation in uninstall process by angle of inclination indicating mechanism monitoring lever simultaneously, force cell is connected with dynamometry Displaying Meter by controller, the true power value of display standard dynamometry lever, makes by comparison the judgement that whether qualified lever is.
Grooved guiding parts of the present invention moves horizontally lever to be measured, has expanded range, also can measure calibrating to larger lever.
Airborne laser range finder of the present invention can detect lever balance in real time, and the lever that departs from reasonable range of balance is regulated automatically, makes lever remain balance in whole verification process.
Communication module of the present invention can read the data that produce in verification process automatically, automatically generates raw readings and certificate, and can carry out communication with host computer after relevant treatment, realizes verification process with no paper.
The present invention can carry out full-automatic closed-loop control to the whole verification process of standard force-measuring lever, and monitoring lever adds the amplitude of deformation in uninstall process, realizes verification process with no paper simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of hoistable platform of the present invention top.
Wherein: 1. force cell, 2. grooved guiding parts, 3. lifting link,
4. hoistable platform, 5. stepper motor, 6. dynamometry Displaying Meter, 7. reducing gear,
8. airborne laser range finder, 9. standard force-measuring lever, 10, pillar, 11, push rod, 12, base
13, screw thread elevating lever, 14, pin, 15, cylindrical bearing, 16, angle of inclination indicating mechanism.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
A kind of full automatic standard dynamometry lever calibrating installation, it comprises push rod 11, two pillars 10, base 12, afterburning unit, force cell 1, controller and dynamometry Displaying Meter 6, and described afterburning unit comprises lifting link 3, hoistable platform 4, stepper motor 5 and reducing gear 7, described push rod 11 is fixedly connected with by two pillars 10 with the two ends of base 12, hoistable platform 4 push rod 11 and base 12 between, the two ends of hoistable platform 4 are respectively equipped with a through hole, be sleeved on the outside of two pillars 10, stepper motor 5 and reducing gear 7 are installed on base 12, the control signal input end of stepper motor 5 and reducing gear 7 is all connected with the control signal output terminal of controller, the output shaft of stepper motor 5 is by reducing gear 7 connecting thread elevating levers 13, drive hoistable platform 4 to move up and down in the vertical direction, lifting link 3 is arranged on the upper surface of hoistable platform 4, a cylindrical bearing 15 is equipped with at the top of lifting link 3, the top of cylindrical bearing 15 connect lever 9 to be measured support end, the emphasis end of lever 9 to be measured is fixed on push rod 11, between lever 9 to be measured and push rod 11, install force cell 1, the signal output part of force cell 1 is connected with the dynamometry signal input part of control, the signal output part of controller is connected with dynamometry Displaying Meter 6, output dynamometry result.Stepper motor 5 and reducing gear 7 drive hoistable platform 4 to do above-below direction to add and unload power action, force cell 1 and the true power value of dynamometry Displaying Meter 6 display standard dynamometry lever under controller control.
Further, device of the present invention also comprises grooved guiding parts 2 and pin 14, described grooved guiding parts 2 is arranged on the upper surface of hoistable platform 4, lifting link 3 coordinates with the horizontal guide slot of grooved guiding parts 2 by pin 14, along with the movement of pin 14 in the horizontal guide slot of grooved guiding parts 2, lifting link 3 does the motion of horizontal direction.By the adjusting of horizontal direction, expand the range of lever.
Device of the present invention also comprises at least two airborne laser range finders 8, described each airborne laser range finder 8 is installed on push rod 11, be certain distance with lever 9 to be measured, for detection of the horizontality of lever 9 to be measured, the detection signal output terminal of each airborne laser range finder 8 is connected with the corresponding detection signal input end of controller.The present invention is by the horizontality of airborne laser range finder 8 Real-Time Monitoring standard force-measuring levers 9, regulate stepper motor 5 and reducing gear 7 by controller, under controller control, driving hoistable platform 4 to do above-below direction adds and unloads power action, until lever is the level of state, then force cell 1 and the true power value of dynamometry Displaying Meter 6 display standard dynamometry lever.
Airborne laser range finder 8 of the present invention is two, and the luminous point of two airborne laser range finders 8 is arranged in the both sides of lever 9 to be measured uniformly.
Device of the present invention also comprises angle of inclination indicating mechanism 16, and described angle of inclination indicating mechanism 16 is arranged on a side of cylindrical bearing 15, for detection of the stressed axis of lifting link 3 and the plumbness of surface level.Controller of the present invention carries out communication by communication module and host computer, and storage detects data.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (6)
1. a full automatic standard dynamometry lever calibrating installation, it is characterized in that it comprises push rod (11), two pillars (10), base (12), afterburning unit, force cell (1), controller and dynamometry Displaying Meter (6), described afterburning unit comprises lifting link (3), hoistable platform (4), stepper motor (5) and reducing gear (7), described push rod (11) is fixedly connected with by two pillars (10) with the two ends of base (12), between push rod (11) and base (12) that hoistable platform (4) is positioned at, the two ends of hoistable platform (4) are respectively equipped with a through hole, be sleeved on the outside of two pillars (10), stepper motor (5) and reducing gear (7) are installed on base (12), the control signal input end of stepper motor (5) and reducing gear (7) is all connected with the control signal output terminal of controller, the output shaft of stepper motor (5) is by reducing gear (7) connecting thread elevating lever (13), drive hoistable platform (4) to move up and down in the vertical direction, lifting link (3) is arranged on the upper surface of hoistable platform (4), a cylindrical bearing (15) is equipped with at the top of lifting link (3), the top of cylindrical bearing (15) connect lever to be measured (9) support end, the emphasis end of lever to be measured (9) is fixed on push rod (11), between lever to be measured (9) and push rod (11), install force cell (1), the signal output part of force cell (1) is connected with the dynamometry signal input part of control, the signal output part of controller is connected with dynamometry Displaying Meter (6), output dynamometry result.
2. full automatic standard dynamometry lever calibrating installation according to claim 1, this device of its feature also comprises grooved guiding parts (2) and pin (14), described grooved guiding parts (2) is arranged on the upper surface of hoistable platform (4), lifting link (3) coordinates with the horizontal guide slot of grooved guiding parts (2) by pin (14), along with the movement of pin (14) in the horizontal guide slot of grooved guiding parts (2), lifting link (3) does the motion of horizontal direction.
3. full automatic standard dynamometry lever calibrating installation according to claim 1, it is characterized in that this device also comprises at least two airborne laser range finders (8), described airborne laser range finder (8) is installed on push rod (11), be certain distance with lever to be measured (9), for detection of the horizontality of lever to be measured (9), the detection signal output terminal of each airborne laser range finder (8) is connected with the corresponding detection signal input end of controller.
4. full automatic standard dynamometry lever calibrating installation according to claim 3, it is characterized in that described airborne laser range finder (8) is two, and the luminous point of two airborne laser range finders (8) is arranged in the both sides of lever to be measured (9) uniformly.
5. full automatic standard dynamometry lever calibrating installation according to claim 1, it is characterized in that this device also comprises angle of inclination indicating mechanism (16), described angle of inclination indicating mechanism (16) is arranged on a side of cylindrical bearing (15), for detection of the stressed axis of lifting link (3) and the plumbness of surface level.
6. full automatic standard dynamometry lever calibrating installation according to claim 1, is characterized in that controller carries out communication by communication module and host computer, and storage detects data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176980.1A CN102692296B (en) | 2012-05-31 | 2012-05-31 | Full automatic calibrating device of standard force-measuring lever |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176980.1A CN102692296B (en) | 2012-05-31 | 2012-05-31 | Full automatic calibrating device of standard force-measuring lever |
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| CN102692296A CN102692296A (en) | 2012-09-26 |
| CN102692296B true CN102692296B (en) | 2014-06-04 |
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| CN201210176980.1A Active CN102692296B (en) | 2012-05-31 | 2012-05-31 | Full automatic calibrating device of standard force-measuring lever |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180824B (en) * | 2015-10-18 | 2018-03-09 | 内蒙古北方重工业集团有限公司 | A kind of dynamic calibration apparatus for high frequency fiber grating strain measuring system |
| CN109900424A (en) * | 2019-03-01 | 2019-06-18 | 辽宁红沿河核电有限公司 | A kind of method of lever force standard machines and its test space adjust automatically |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2164038Y (en) * | 1993-07-22 | 1994-05-04 | 晏政权 | Checking device of brake force test desk |
| US5533380A (en) * | 1995-05-10 | 1996-07-09 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Automatic force balance calibration system |
| JP3677503B2 (en) * | 2003-03-24 | 2005-08-03 | 株式会社空研 | wrench |
| CN201731971U (en) * | 2010-07-30 | 2011-02-02 | 苏州龙盛测试设备有限公司 | Lever-type force standard machine with creep test function |
| CN102116696B (en) * | 2011-01-20 | 2012-05-23 | 吉林大学 | Calibrating device of automobile pedal force and travel detector |
| CN202661225U (en) * | 2012-05-31 | 2013-01-09 | 常州市计量测试技术研究所 | Full automatic calibrating device of standard force-measuring lever |
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