CN102735436A - Torque calibrator for torque wrench - Google Patents
Torque calibrator for torque wrench Download PDFInfo
- Publication number
- CN102735436A CN102735436A CN2012102193300A CN201210219330A CN102735436A CN 102735436 A CN102735436 A CN 102735436A CN 2012102193300 A CN2012102193300 A CN 2012102193300A CN 201210219330 A CN201210219330 A CN 201210219330A CN 102735436 A CN102735436 A CN 102735436A
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- CN
- China
- Prior art keywords
- spanner
- catch bar
- torque
- slide block
- guide rail
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Abstract
The invention relates to a torque calibrator for a torque wrench. The problems of low working efficiency and measuring accuracy of the conventional torque calibrator are solved. The torque calibrator comprises a bottom plate, a mechanical auxiliary force adding mechanism, a measuring and executing mechanism and a data display mechanism, wherein the mechanical auxiliary force adding mechanism and the measuring and executing mechanism are arranged on the bottom plate; and the measuring and executing mechanism is connected with the data display mechanism. The torque calibrator is characterized in that a wrench push rod position adjustment unit is arranged in the mechanical auxiliary force adding mechanism. By the torque calibrator, the defects in the prior art are overcome, calibration time is effectively shortened, the measuring accuracy is enhanced, and the torque of the torque wrench is quickly calibrated.
Description
Technical field
The present invention relates to a kind of torque calibration instrument, be particularly useful for quickly calibrated to the torque spanner moment of torsion, belong to the detection technique field.
Background technology
Torque spanner is a kind of instrument commonly used in machine-building and the maintenance process, in order to guarantee the accurate reliability of torque spanner torque value, needs regularly to use the torque calibration appearance that torque spanner is calibrated.
Shown in accompanying drawing 1, existing torque calibration appearance comprises base plate, mechanical assistance boosting mechanism, measures topworks and data presentation mechanism.Wherein the mechanical assistance boosting mechanism by afterburning handwheel, leading screw, leading screw bearing, leading screw slide block, add the arm of force, add arm of force slide block and the spanner catch bar is formed; Afterburning handwheel is connected with leading screw, and leading screw is fixed on the base plate through the leading screw bearing at two ends, and the leading screw slide block set is contained in the outside of leading screw; Both form thread transmission; Add the assembling of the arm of force and leading screw slide block, add arm of force slide block and be equipped with, fixed installation spanner catch bar on add arm of force slide block with adding the arm of force; Measure topworks and comprise torque sensor and rotating shaft, torque sensor is fixedly mounted in the rotating shaft; Data presentation mechanism is connected with torque sensor.
Shown in accompanying drawing 2, the operation steps of existing torque calibration appearance is: at first the square tenon with torque spanner is installed on the torque sensor, and adds arm of force slide position well according to the torque spanner length adjustment; Shake afterburning handwheel then, drive the leading screw that is installed on the leading screw bearing and rotate, the leading screw slide block is subjected to displacement with the rotation of leading screw, and drive simultaneously adds the arm of force and rotates around the axis; When the spanner catch bar contacted with the afterbody of torque spanner, the spanner catch bar was given the torque spanner applied thrust, and torque sensor is given data presentation mechanism with the transmission of torque that thrust produces; At last through to the torque value of torque spanner indication and regulator measured value to recently judging the working condition of torque spanner.
Existing torque calibration appearance is at the initial time to the torque spanner calibration; Have spacing distance L between the afterbody of dial torque wrench and the spanner catch bar, thus can not be at once afterburning to spanner, need shake afterburning handwheel make the spanner catch bar to the afterbody of torque spanner gradually near; To consume the long non-productive work time like this; Be unfavorable for the quickly calibrated of torque spanner moment of torsion, and in this process, exist the unexpected variation of afterburning handwheel moment, the accuracy of measurement data is caused negative effect.
Summary of the invention
The objective of the invention is to the drawback to prior art, a kind of simple in structure, easy to operate, stable performance is provided, can effectively improves the torque spanner torque calibration appearance of torque spanner calibration accuracy and work efficiency.
Problem according to the invention realizes with following technical proposals:
A kind of torque spanner torque calibration appearance; It comprises base plate, mechanical assistance boosting mechanism, measures topworks and data presentation mechanism; Said mechanical assistance boosting mechanism is installed on the base plate with measurement topworks; Said measurement topworks is connected with data presentation mechanism, and its special feature is that it has increased spanner catch bar position adjustment unit in the mechanical assistance boosting mechanism.
Above-mentioned torque spanner torque calibration appearance; Said spanner catch bar position adjustment unit comprises spanner catch bar, spanner catch bar slide block and spanner catch bar slide block guide rail; Said spanner catch bar be fixedly mounted on spanner catch bar slide block above; The spanner catch bar is made up of spanner catch bar housing, set lever and compression spring, and it is inboard that said set lever and compression spring are sleeved on spanner catch bar housing, is provided with the spring positive stop lug boss at the set lever middle part; Lower end at set lever is provided with dead bolt, said dead bolt structure and spanner catch bar slide block guide rail coupling.
Above-mentioned torque spanner torque calibration appearance, said spanner catch bar slide block and spanner catch bar slide block guide rail are equipped, on spanner catch bar slide block, are provided with spanner catch bar dead bolt and pass through the hole.
Above-mentioned torque spanner torque calibration appearance, said spanner catch bar slide block guide rail bottom surface is fixed on the mechanical assistance boosting mechanism counter element, and the upper surface of spanner catch bar slide block guide rail is a rack structure.
The present invention has increased spanner catch bar slide block guide rail, spanner catch bar slide block, spanner catch bar and set lever on the basis of existing torque calibration appearance mechanical assistance boosting mechanism; Can be through the control of set lever being realized the adjustment of spanner catch bar position; Eliminate the spacing distance L between torque spanner calibration initial time dial torque wrench afterbody and spanner catch bar with this; After shaking afterburning handwheel, can apply torsional moment to spanner at once; Avoided having increased the accuracy of calibration, shortened the alignment time simultaneously because of afterburning handwheel moment changes the negative effect that the measurement data accuracy is caused suddenly; Realized quickly calibrated to the torque spanner moment of torsion having remedied the defective that prior art exists.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is existing torque calibration appearance structural representation;
Fig. 2 is existing torque calibration appearance work original state synoptic diagram;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is a spanner catch bar position adjustment unit sectional structure chart;
Fig. 5 is a course of work synoptic diagram of the present invention.
Each label is among the figure: 1, rotating shaft, 2, torque sensor, 3, add the arm of force, 4, add arm of force slide block, 5, the spanner catch bar; 6, afterburning handwheel, 7, leading screw, 8, the leading screw bearing, 9, the leading screw slide block, 10, base plate; 11, torque spanner, 12, spanner catch bar slide block guide rail, 13, spanner catch bar slide block, 14, set lever, 14-1, dead bolt; 14-2, spring positive stop lug boss, 15, compression spring, 16, spanner catch bar housing, 17, data presentation mechanism.
Embodiment
Referring to Fig. 3～Fig. 5, the present invention includes base plate 10, mechanical assistance boosting mechanism, measure topworks and data presentation mechanism 17.Said mechanical assistance boosting mechanism by afterburning handwheel 6, leading screw 7, leading screw bearing 8, leading screw slide block 9, add the arm of force 3, add arm of force slide block 4 and spanner catch bar 5 is formed; Said afterburning handwheel 6 is connected with leading screw 7; Said leading screw 7 is fixed on the base plate 10 through the leading screw bearing 8 at two ends, and leading screw slide block 9 is sleeved on the outside of leading screw 7, and both form thread transmission; Add the arm of force 3 and 9 assemblings of leading screw slide block, add arm of force slide block 4 and add the arm of force 3 equipped; Said measurement topworks comprises torque sensor and rotating shaft, and torque sensor is fixedly mounted in the rotating shaft; Data presentation mechanism 17 is connected with torque sensor.In the mechanical assistance boosting mechanism, increased spanner catch bar position adjustment unit; Said spanner catch bar position adjustment unit comprises spanner catch bar 5, spanner catch bar slide block 13 and spanner catch bar slide block guide rail 12; Said spanner catch bar 5 be fixedly mounted on spanner catch bar slide block 13 above; Spanner catch bar 5 is made up of spanner catch bar housing 16, set lever 14 and compression spring 15; Said set lever 14 is sleeved on spanner catch bar housing 16 inboards with compression spring 15; Be provided with spring positive stop lug boss 14-2 at set lever 14 middle parts, dead bolt 14-1 be set, said dead bolt 14-1 structure and spanner catch bar slide block guide rail 12 couplings in the lower end of set lever 14; Said spanner catch bar slide block 13 is sleeved on the spanner catch bar slide block guide rail 12, on spanner catch bar slide block 13, is provided with spanner catch bar dead bolt 14-1 and passes through the hole; Said spanner catch bar slide block guide rail 12 bottom surfaces are fixed on the mechanical assistance boosting mechanism counter element, and the upper surface of spanner catch bar slide block guide rail 12 is a rack structure.
Referring to Fig. 5; The course of work of the present invention is: when dial torque wrench is calibrated; The square tenon of dial torque wrench 11 is installed on the torque sensor 2; The position that adds simultaneously arm of force slide block 4 according to the length adjustment of torque spanner 11 makes the torque spanner afterbody and is fixed on that to add the top spanner catch bar 5 of arm of force slide block 4 corresponding, at this moment has spacing distance L between the afterbody of torque spanner 11 and the spanner catch bar 5.Upwards mention set lever 14; Dead bolt 14-1 and spanner catch bar slide block guide rail 12 upper surface tooth bars are broken away from; Remove locking relation between the two, move the afterbody of spanner catch bar slide block 13 simultaneously, put down set lever 14 to torque spanner 11; Dead bolt 14-1 and spanner catch bar slide block guide rail 12 upper surface tooth bars are coincide, spanner catch bar 5 is fixed to here.Through shaking afterburning handwheel 6, can carry out reinforcing to the torque spanner afterbody immediately then.Reading of data indication mechanism 17 data measured according to examination criteria and the contrast of torque spanner torque value, thereby draw the relevant detection conclusion, accomplish the calibration of dial torque wrench.
Claims (4)
1. torque spanner torque calibration appearance; It comprises base plate (10), mechanical assistance boosting mechanism, measures topworks and data presentation mechanism (17); Said mechanical assistance boosting mechanism is installed on the base plate (10) with measurement topworks; Said measurement topworks is connected with data presentation mechanism (17), it is characterized in that, in the mechanical assistance boosting mechanism, sets up spanner catch bar position adjustment unit.
2. a kind of torque spanner torque calibration appearance according to claim 1; It is characterized in that; Said spanner catch bar position adjustment unit comprises spanner catch bar (5), spanner catch bar slide block (13) and spanner catch bar slide block guide rail (12); Said spanner catch bar (5) be fixedly mounted on spanner catch bar slide block (13) above; Spanner catch bar (5) is made up of spanner catch bar housing (16), set lever (14) and compression spring (15), and said set lever (14) and compression spring (15) are sleeved on spanner catch bar housing (16) inboard, is provided with spring positive stop lug boss (14-2) at set lever (14) middle part; In the lower end of set lever (14) dead bolt (14-1) is set, said dead bolt (14-1) structure and spanner catch bar slide block guide rail (12) coupling.
3. a kind of torque spanner torque calibration appearance according to claim 2; It is characterized in that; Said spanner catch bar slide block (13) is equipped with spanner catch bar slide block guide rail (12), on spanner catch bar slide block (13), is provided with spanner catch bar dead bolt (14-1) and passes through the hole.
4. a kind of torque spanner torque calibration appearance according to claim 3; It is characterized in that; Said spanner catch bar slide block guide rail (12) bottom surface is fixed on the mechanical assistance boosting mechanism counter element, and the upper surface of spanner catch bar slide block guide rail (12) is a rack structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219330.0A CN102735436B (en) | 2012-06-29 | 2012-06-29 | Torque calibrator for torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219330.0A CN102735436B (en) | 2012-06-29 | 2012-06-29 | Torque calibrator for torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102735436A true CN102735436A (en) | 2012-10-17 |
| CN102735436B CN102735436B (en) | 2015-04-22 |
Family
ID=46991336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210219330.0A Active CN102735436B (en) | 2012-06-29 | 2012-06-29 | Torque calibrator for torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102735436B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033313A (en) * | 2012-12-18 | 2013-04-10 | 上海出入境检验检疫局机电产品检测技术中心 | Electrodeless regulative dynamometer torsion calibrating device |
| CN105571776A (en) * | 2015-12-22 | 2016-05-11 | 中国航天空气动力技术研究院 | Electric-manual torque wrench verification platform mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208350U (en) * | 1987-05-20 | 1988-01-27 | 第二汽车制造厂 | Torque spanner calibrator |
| CN2833545Y (en) * | 2005-10-27 | 2006-11-01 | 扬动股份有限公司 | Torsional moment constant spanner calibrator |
| CN101520357A (en) * | 2008-02-29 | 2009-09-02 | 爱德华·威尔有限责任两合公司 | Operating device for testing torque wrenches |
| WO2009129970A1 (en) * | 2008-04-21 | 2009-10-29 | Richard Abr. Herder Kg | Method for calibrating a torque wrench |
| CN201788056U (en) * | 2010-08-23 | 2011-04-06 | 浙江吉利汽车有限公司 | Torsion calibrator for open spanners |
-
2012
- 2012-06-29 CN CN201210219330.0A patent/CN102735436B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208350U (en) * | 1987-05-20 | 1988-01-27 | 第二汽车制造厂 | Torque spanner calibrator |
| CN2833545Y (en) * | 2005-10-27 | 2006-11-01 | 扬动股份有限公司 | Torsional moment constant spanner calibrator |
| CN101520357A (en) * | 2008-02-29 | 2009-09-02 | 爱德华·威尔有限责任两合公司 | Operating device for testing torque wrenches |
| WO2009129970A1 (en) * | 2008-04-21 | 2009-10-29 | Richard Abr. Herder Kg | Method for calibrating a torque wrench |
| CN201788056U (en) * | 2010-08-23 | 2011-04-06 | 浙江吉利汽车有限公司 | Torsion calibrator for open spanners |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033313A (en) * | 2012-12-18 | 2013-04-10 | 上海出入境检验检疫局机电产品检测技术中心 | Electrodeless regulative dynamometer torsion calibrating device |
| CN105571776A (en) * | 2015-12-22 | 2016-05-11 | 中国航天空气动力技术研究院 | Electric-manual torque wrench verification platform mechanism |
| CN105571776B (en) * | 2015-12-22 | 2019-03-01 | 中国航天空气动力技术研究院 | Electronic-manual torque spanner verifies platform mechanism |
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| Publication number | Publication date |
|---|---|
| CN102735436B (en) | 2015-04-22 |
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Effective date of registration: 20191226 Address after: 314200 north side of Rongrong Road, east side of Pingshan Avenue, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee after: Pinghu branch of Great Wall Motor Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |