CN107764469B - Torque spanner calibrating device and bolt simulator thereof - Google Patents
Torque spanner calibrating device and bolt simulator thereof Download PDFInfo
- Publication number
- CN107764469B CN107764469B CN201710957889.6A CN201710957889A CN107764469B CN 107764469 B CN107764469 B CN 107764469B CN 201710957889 A CN201710957889 A CN 201710957889A CN 107764469 B CN107764469 B CN 107764469B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000012795 verification Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
- G01L25/003—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring torque
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a torque wrench calibrating device and a bolt simulator thereof, wherein the torque wrench calibrating device comprises a bolt simulator, the bolt simulator comprises a rotating piece and a running-in piece, the rotating piece is provided with a torque input structure for being in force transmission fit with tested equipment, the periphery of the rotating piece is provided with a rotating piece force transmission surface, the inner wall of the running-in piece is provided with a running-in piece force transmission surface which is matched with the rotating piece force transmission surface in a rotating contact manner, the rotating piece force transmission surface is a rotating surface taking the axis of the rotating piece as a rotating axis, and the rotating piece or the running-in piece is provided with a loading end for being radially loaded by a corresponding loading mechanism. The invention solves the problem that the bolts are required to be frequently drawn off in the existing verification process.
Description
Technical Field
The invention relates to a torque wrench calibrating device and a bolt simulator thereof in the field of torque wrench calibration.
Background
When detecting the detected equipment such as electric torque spanner, pneumatic torque spanner and the like, the detected equipment is carried out in a dynamic process, thus a dynamic load is required, meanwhile, the requirements of different torque angular displacement change rates (torque rate for short) still exist, and a component capable of providing the dynamic load is called a bolt simulator. As disclosed in publication No. CN204286666U, application name "portable power torque tool detector", the power torque tool detector includes a torque sensor for connecting an output shaft of the inspection apparatus, and the lower end of the torque sensor is connected with a bolt simulator including a bolt, a butterfly spring housing, a butterfly spring, and the like. When the device to be tested is tested, the torque sensor is used for applying the torque to the bolt in the bolt simulator, so that the pure machine only depends on the load simulation mode of the bolt, the torque rate is single, and the mechanical property is also constant under the condition that the temperature is not changed because the lead angle of the bolt, the friction coefficient of the friction pair of the metal piece and the elastic coefficient are constant. Because multiple sets of data of different bolt lead angles need to be tested, multiple bolt simulators are needed, for example, if six bolt lead angles are needed, six bolt simulators are needed to be provided, the detection cost is high, and the detection process is complex; in addition, when the bolt is adopted to provide a load, the bolt is required to be screwed in the axial direction, and when the bolt is detected, a continuous screwing and unscrewing process is required, so that the complexity of detection is increased, and the improvement of the detection efficiency is not facilitated.
Disclosure of Invention
The invention aims to provide a torque spanner calibrating device, which solves the problem that bolts need to be frequently retracted in the existing calibrating process; the invention also aims to provide a bolt simulator used in the torque wrench verification device.
In order to achieve the above purpose, the technical scheme of the bolt simulator in the invention is as follows:
the bolt simulator comprises a rotating piece and a running-in piece, wherein the rotating piece is provided with a torque input structure for being in force transmission fit with tested equipment, the periphery of the rotating piece is provided with a rotating piece force transmission surface, the inner wall of the running-in piece is provided with the running-in piece force transmission surface which is in fit with the rotating piece force transmission surface and in rotary contact fit with the rotating piece force transmission surface, the rotating piece force transmission surface is a rotary surface taking the axis of the rotating piece as a rotary axis, and the rotating piece or the running-in piece is provided with a loading end for being radially loaded by a corresponding loading mechanism.
The force transmission surface of the rotating part and the force transmission surface of the running-in part are at least one of conical surfaces, cylindrical surfaces, spherical surfaces or elliptical spherical surfaces.
The torque input structure is arranged at the upper end of the rotating piece, and the loading end is arranged on the running-in piece.
The force transmission surface of the rotating part comprises a cylindrical surface section and conical surface sections connected to the upper side and the lower side of the cylindrical surface section, the small diameter end of the conical surface section on the upper side faces upwards, the small diameter end of the conical surface section on the lower side faces downwards, and the force transmission surface of the running-in part is matched with the shape of the force transmission surface of the rotating part
The technical scheme of the torque spanner calibrating device is as follows:
the torque wrench verification device comprises a bolt simulator, wherein the bolt simulator comprises a rotating piece and a running-in piece, the rotating piece is provided with a torque input structure for being in force transmission fit with tested equipment, the periphery of the rotating piece is provided with a rotating piece force transmission surface, the inner wall of the running-in piece is provided with the running-in piece force transmission surface which is matched with the rotating piece force transmission surface in a rotating contact manner, the rotating piece force transmission surface is a rotating surface taking the axis of the rotating piece as a rotating axis, the rotating piece or the running-in piece is provided with a loading end, and the torque wrench verification device further comprises a loading mechanism for applying radial loading force to the loading end.
The force transmission surface of the rotating part and the force transmission surface of the running-in part are at least one of conical surfaces, cylindrical surfaces, spherical surfaces or ellipsoids.
The torque input structure is arranged at the upper end of the rotating piece, and the loading end is arranged on the running-in piece.
The rotary part force transmission surface comprises a cylindrical surface section and conical surface sections connected to the upper side and the lower side of the cylindrical surface section, the small diameter end of the conical surface section on the upper side faces upwards, the small diameter end of the conical surface section on the lower side faces downwards, and the running-in part force transmission surface is matched with the rotary part force transmission surface in shape.
The loading mechanism comprises a loading motor and a loading force conversion cylinder, wherein a piston cavity of the loading force conversion cylinder comprises a large-diameter section and a small-diameter section connected to one end of the large-diameter end, a large-diameter section piston is arranged in the large-diameter section, a small-diameter section piston is arranged in the small-diameter section, one piston is in transmission connection with the loading motor, and the other piston is in transmission connection with the loading end.
The loading motor is in transmission connection with the corresponding piston through a screw rod and nut mechanism.
The beneficial effects of the invention are as follows: when the torque wrench verification device is used, the radial loading force acts on the running-in part force transmission surface and the rotating part force transmission surface to form a simulation load, and the rotating part rotates under the driving of the tested equipment.
The bolt simulator with the cylindrical surface and/or the conical surface is also more beneficial to the change of radial loading force, so that the use amount of the bolt simulator can be reduced, and the cost of the verification process is reduced.
Drawings
FIG. 1 is a schematic diagram of a torque wrench verification device of example 1 of the present invention;
FIG. 2 is an exploded view of the bolt simulator of FIG. 1;
FIG. 3 is a schematic view of a torque wrench verification device of example 2 of the present invention;
fig. 4 is a schematic structural view of embodiment 3 of the torque wrench verification device of the present invention.
Detailed Description
Example 1 of the torque wrench verification device is shown in fig. 1 to 2: including frame, loading mechanism and bolt simulator, the bolt simulator includes running-in piece and rotating member 32, and the running-in piece includes two lamella along circumference distribution in the peripheral first running-in piece 31 of rotating member and second running-in piece 33, and first running-in piece is fixed in the frame, and rotating member 32 includes the central part and sets up in the upper and lower post of the upper and lower end of central part, and the upper end of upper post forms and is used for with the equipment power complex moment of torsion input structure of examining, and moment of torsion input structure is for setting up in the interior square hole of upper post tip. The outer peripheral surface of the central part is a rotating part force transmission surface, and the rotating part force transmission surface in the embodiment comprises a cylindrical surface section 40 coaxially arranged with the rotating part and conical surface sections 41 connected to the upper side and the lower side of the cylindrical surface section, wherein the small diameter end of the conical surface section on the upper side faces upwards, and the small diameter end of the conical surface section on the lower side faces downwards. The first running-in part and the second running-in part are provided with running-in part force transmission surfaces 42 matched with the rotating part force transmission surfaces, and the shape not only can realize radial force transmission, but also can realize axial positioning of the rotating part relative to the running-in parts. The second running-in piece is provided with a loading end used for being radially loaded by a loading mechanism, the loading mechanism comprises a loading motor 38 and a loading force conversion cylinder, the loading motor and the loading force conversion cylinder are both arranged on a frame, a piston cavity of the loading force conversion cylinder comprises a large-diameter section 34 and a small-diameter section 35 connected to one end of the large-diameter end, a large-diameter section piston 43 is arranged in the large-diameter section, a small-diameter section piston 44 is arranged in the small-diameter section, wherein the piston with the right position (in the view direction of fig. 1), namely the small-diameter section piston 44, is in transmission connection with the loading motor 38 through a screw nut mechanism 37, and the piston with the right position, namely the large-diameter section piston 43, is in transmission connection with the loading end on the second running-in piece. The loading motor can convert the rotary motion into the linear motion through the screw rod and nut mechanism, the nut 36 with the linear motion pushes the small-diameter section piston to move, pressure oil (or gas) is arranged between the small-diameter section piston and the large-diameter section piston, the acting force of the second running-in piece is determined through the end surface ratio of the small-diameter section piston to the large-diameter section piston, when the acting force needs to be changed, only one loading force conversion cylinder needs to be replaced, the loading force conversion cylinder is simple and convenient to manufacture, and compared with the loading motor for directly purchasing different loading forces, the cost is greatly reduced. The radial loading force of the loading mechanism can act between the force transmission surface of the rotating part and the force transmission surface of the running-in part, so that the load simulation of the bolts is realized, and the rotating part does not precess, so that the problem that the working efficiency is affected due to frequent wire withdrawal can be avoided.
In other embodiments of the invention: the loading mechanism can also be in the form of a spring, a driving cylinder and other mechanisms capable of providing radial acting force; the running-in parts can be only one, when the running-in parts are only one, the rotating bearings can be sleeved on the upper column and the lower column, the rotating bearings are arranged on the frame, and the vertical state of the rotating parts is ensured through the rotating bearings; the force transmission surface of the rotating piece can be just a conical surface; the loading ends can be arranged on the running-in pieces, and the loading mechanism can apply force to the running-in pieces at the same time; a joint bearing can be arranged on a force transmission path between the loading force conversion cylinder and the second running-in piece so as to avoid acting force in a deflection direction on the second running-in piece; the torque input structure can be changed correspondingly according to the torque output structure of the tested equipment, for example, the torque input structure can also be an external square head and the like; the mating surface of the rotating member may be a sphere or an ellipsoid or a combination of a sphere and an ellipsoid.
Example 2 of the torque wrench verification apparatus is shown in fig. 3: embodiment 2 differs from embodiment 1 in that the rotating member force transmitting surface 50 is constituted by a cylindrical surface provided coaxially with the rotating member 32.
Example 3 of the torque wrench verification apparatus is shown in fig. 4: embodiment 3 differs from embodiment 1 in that the loading mechanism does not include a loading force conversion cylinder, and the loading motor 38 directly applies a force to the loading end of the second running-in via the lead screw mechanism 37. Item 31 in fig. 4 represents the first running-in.
Embodiments of the bolt simulator are shown in fig. 1 to 4: the specific construction of the bolt simulator is the same as that described in the above-described embodiments of the torque wrench verification device and will not be described in detail herein.
Claims (7)
1. Bolt simulator, its characterized in that: the automatic testing device comprises a rotating part and a running-in part, wherein the running-in part is circumferentially distributed on the periphery of the rotating part, the rotating part comprises a central part and an upper column and a lower column which are arranged at the upper end and the lower end of the central part, the upper end of the upper column forms a torque input structure which is used for being in force transmission fit with tested equipment, the torque input structure is an inner square hole which is arranged at the upper end of the upper column, the outer peripheral surface of the central part is a rotating part force transmission surface, the inner wall of the running-in part is provided with a running-in part force transmission surface which is matched with the rotating part force transmission surface in a rotating way and in rotary contact mode, the rotating part force transmission surface is a rotating surface which takes the axis of the rotating part as a rotation axis, the running-in part is provided with a loading end which is radially loaded by a corresponding loading mechanism, the loading mechanism comprises a loading motor and a loading force conversion cylinder, a large-diameter section piston is arranged in the large-diameter section piston, a small-diameter section piston is arranged in the large-diameter section, one piston is in the small-diameter section, and one piston is in transmission connection with the loading motor, and the other piston is in transmission connection with the loading end.
2. The bolt simulator of claim 1, wherein: the force transmission surface of the rotating part and the force transmission surface of the running-in part are at least one of conical surfaces, cylindrical surfaces, spherical surfaces or elliptical spherical surfaces.
3. The bolt simulator of claim 2, wherein: the rotary part force transmission surface comprises a cylindrical surface section and conical surface sections connected to the upper side and the lower side of the cylindrical surface section, the small diameter end of the conical surface section on the upper side faces upwards, the small diameter end of the conical surface section on the lower side faces downwards, and the running-in part force transmission surface is matched with the rotary part force transmission surface in shape.
4. Torque spanner calibrating installation, its characterized in that: the device comprises a bolt simulator, wherein the bolt simulator comprises a rotating part and a running-in part, the running-in part is circumferentially distributed on the periphery of the rotating part, the rotating part comprises a central part, an upper column and a lower column which are arranged at the upper end and the lower end of the central part, the upper end of the upper column forms a torque input structure which is used for being in force transmission fit with tested equipment, the torque input structure is an inner square hole which is arranged at the upper end of the upper column, the outer circumferential surface of the central part is a rotating part force transmission surface, the inner wall of the running-in part is provided with a running-in part force transmission surface which is matched with the rotating part force transmission surface in a rotating mode, the rotating part force transmission surface is a rotating surface which takes the axis of the rotating part as a rotation axis, the running-in part is provided with a loading end, the torque verification device further comprises a loading mechanism which applies radial loading force to the loading end, the loading mechanism comprises a loading motor and a loading force conversion cylinder, a piston cavity of the loading force conversion cylinder comprises a large-diameter section and a small-diameter section piston which is connected to one end of the large-diameter section, the large-diameter-section piston is arranged in the large-diameter section, one-diameter-section piston is in the small-diameter-section, one-diameter-section piston is in transmission-connected with the loading motor-end-of the loading-section, and the piston is provided with the loading-end-section, and the piston is in transmission-and the axis-type.
5. The torque wrench verification device of claim 4, wherein: the force transmission surface of the rotating part and the force transmission surface of the running-in part are at least one of conical surfaces, cylindrical surfaces, spherical surfaces or elliptical spherical surfaces.
6. The torque wrench verification device of claim 4, wherein: the rotary part force transmission surface comprises a cylindrical surface section and conical surface sections connected to the upper side and the lower side of the cylindrical surface section, the small diameter end of the conical surface section on the upper side faces upwards, the small diameter end of the conical surface section on the lower side faces downwards, and the running-in part force transmission surface is matched with the rotary part force transmission surface in shape.
7. The torque wrench verification device of claim 4, wherein: the loading motor is in transmission connection with the corresponding piston through a screw rod and nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957889.6A CN107764469B (en) | 2017-10-16 | 2017-10-16 | Torque spanner calibrating device and bolt simulator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957889.6A CN107764469B (en) | 2017-10-16 | 2017-10-16 | Torque spanner calibrating device and bolt simulator thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107764469A CN107764469A (en) | 2018-03-06 |
| CN107764469B true CN107764469B (en) | 2023-11-14 |
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| CN201710957889.6A Active CN107764469B (en) | 2017-10-16 | 2017-10-16 | Torque spanner calibrating device and bolt simulator thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375450B (en) * | 2018-04-26 | 2024-04-16 | 郑州东辰科技有限公司 | Torque spanner calibrating device |
| CN111551364B (en) * | 2020-05-07 | 2022-05-10 | 北京铁道工程机电技术研究所股份有限公司 | Lead screw running-in mechanism and running-in method |
| CN113155359A (en) * | 2021-04-03 | 2021-07-23 | 河南省计量科学研究院 | Calibrating device for bolt and nut torque connection simulator |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099678A (en) * | 1990-07-30 | 1992-03-31 | Consolidated Devices, Inc | Torque tool calibrating machine |
| US5703277A (en) * | 1996-11-05 | 1997-12-30 | Consolidated Devices, Inc. | Torque tool tester machine |
| WO1998010260A1 (en) * | 1996-09-05 | 1998-03-12 | Crane Electronics Ltd. | Variable torque rate simulated test joint |
| CN1709647A (en) * | 2005-06-18 | 2005-12-21 | 长安汽车（集团）有限责任公司 | Pneumatic/electric torque spanner dynamic calibrating installation |
| CN2800255Y (en) * | 2005-06-18 | 2006-07-26 | 长安汽车（集团）有限责任公司 | Dynamic detector for pneumatic and electric torsional moment spanner |
| JP2008175258A (en) * | 2007-01-17 | 2008-07-31 | Ntn Corp | Tension regulating device for auxiliary machine drive belt |
| US7478577B1 (en) * | 2006-02-27 | 2009-01-20 | Thomas J Wheeler | Quick adjust ratcheting wrench with cam actuated clamping |
| CN101354299A (en) * | 2008-08-29 | 2009-01-28 | 奇瑞汽车股份有限公司 | Bolt torque test stand |
| CN102252804A (en) * | 2011-04-29 | 2011-11-23 | 中国计量科学研究院 | Multi-functional torque calibration device |
| CN102607766A (en) * | 2012-03-29 | 2012-07-25 | 国电联合动力技术有限公司 | Check device of hydraulic spanner and method of using check device |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN103419165A (en) * | 2013-07-26 | 2013-12-04 | 中国计量科学研究院 | High-precision torque wrench and checkout, installation and detection method thereof |
| CN103630292A (en) * | 2013-11-29 | 2014-03-12 | 常州市计量测试技术研究所 | Automatic torque applying calibrating apparatus for torque spanner |
| CN203561516U (en) * | 2013-11-18 | 2014-04-23 | 国家电网公司 | IK grade and manipulator detection platform for low voltage metering box |
| CN103822755A (en) * | 2014-03-12 | 2014-05-28 | 北京理工大学 | Tensile stress generating device for calibration of stress measurement system |
| CN203672603U (en) * | 2013-12-06 | 2014-06-25 | 陕西东方航空仪表有限责任公司 | Bolt simulation mechanism in set-twisting tool detector |
| CN104215391A (en) * | 2014-09-05 | 2014-12-17 | 苏州龙盛测试设备有限公司 | Standard torque wrench with force transducer |
| CN104330203A (en) * | 2011-05-07 | 2015-02-04 | 河南送变电工程公司 | Pressure testing connector |
| CN204286666U (en) * | 2014-12-11 | 2015-04-22 | 陕西东方航空仪表有限责任公司 | Portable power turns round tool measuring machine surely |
| CN105509960A (en) * | 2015-12-11 | 2016-04-20 | 天津七一二通信广播有限公司 | Mechanical apparatus applied to calibration of torque sensor, and method |
| 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 |
| CN105606302A (en) * | 2016-03-31 | 2016-05-25 | 河南省计量科学研究院 | Belt tension meter calibration device |
| CN105716773A (en) * | 2016-01-20 | 2016-06-29 | 浙江吉利罗佑发动机有限公司 | Bolt simulator structure |
| CN106500907A (en) * | 2016-09-30 | 2017-03-15 | 浙江省计量科学研究院 | A kind of torque spanner calibrating instrument with equilibrant force position compensation and its compensation method |
-
2017
- 2017-10-16 CN CN201710957889.6A patent/CN107764469B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099678A (en) * | 1990-07-30 | 1992-03-31 | Consolidated Devices, Inc | Torque tool calibrating machine |
| WO1998010260A1 (en) * | 1996-09-05 | 1998-03-12 | Crane Electronics Ltd. | Variable torque rate simulated test joint |
| US5703277A (en) * | 1996-11-05 | 1997-12-30 | Consolidated Devices, Inc. | Torque tool tester machine |
| CN1709647A (en) * | 2005-06-18 | 2005-12-21 | 长安汽车（集团）有限责任公司 | Pneumatic/electric torque spanner dynamic calibrating installation |
| CN2800255Y (en) * | 2005-06-18 | 2006-07-26 | 长安汽车（集团）有限责任公司 | Dynamic detector for pneumatic and electric torsional moment spanner |
| US7478577B1 (en) * | 2006-02-27 | 2009-01-20 | Thomas J Wheeler | Quick adjust ratcheting wrench with cam actuated clamping |
| JP2008175258A (en) * | 2007-01-17 | 2008-07-31 | Ntn Corp | Tension regulating device for auxiliary machine drive belt |
| CN101354299A (en) * | 2008-08-29 | 2009-01-28 | 奇瑞汽车股份有限公司 | Bolt torque test stand |
| CN102252804A (en) * | 2011-04-29 | 2011-11-23 | 中国计量科学研究院 | Multi-functional torque calibration device |
| CN104330203A (en) * | 2011-05-07 | 2015-02-04 | 河南送变电工程公司 | Pressure testing connector |
| CN102607766A (en) * | 2012-03-29 | 2012-07-25 | 国电联合动力技术有限公司 | Check device of hydraulic spanner and method of using check device |
| CN103411721A (en) * | 2013-07-26 | 2013-11-27 | 太仓中博铁路紧固件有限公司 | Bolt torque detection device |
| CN103419165A (en) * | 2013-07-26 | 2013-12-04 | 中国计量科学研究院 | High-precision torque wrench and checkout, installation and detection method thereof |
| CN203561516U (en) * | 2013-11-18 | 2014-04-23 | 国家电网公司 | IK grade and manipulator detection platform for low voltage metering box |
| CN103630292A (en) * | 2013-11-29 | 2014-03-12 | 常州市计量测试技术研究所 | Automatic torque applying calibrating apparatus for torque spanner |
| CN203672603U (en) * | 2013-12-06 | 2014-06-25 | 陕西东方航空仪表有限责任公司 | Bolt simulation mechanism in set-twisting tool detector |
| CN103822755A (en) * | 2014-03-12 | 2014-05-28 | 北京理工大学 | Tensile stress generating device for calibration of stress measurement system |
| CN104215391A (en) * | 2014-09-05 | 2014-12-17 | 苏州龙盛测试设备有限公司 | Standard torque wrench with force transducer |
| CN204286666U (en) * | 2014-12-11 | 2015-04-22 | 陕西东方航空仪表有限责任公司 | Portable power turns round tool measuring machine surely |
| CN105509960A (en) * | 2015-12-11 | 2016-04-20 | 天津七一二通信广播有限公司 | Mechanical apparatus applied to calibration of torque sensor, and method |
| 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 |
| CN105716773A (en) * | 2016-01-20 | 2016-06-29 | 浙江吉利罗佑发动机有限公司 | Bolt simulator structure |
| CN105606302A (en) * | 2016-03-31 | 2016-05-25 | 河南省计量科学研究院 | Belt tension meter calibration device |
| CN106500907A (en) * | 2016-09-30 | 2017-03-15 | 浙江省计量科学研究院 | A kind of torque spanner calibrating instrument with equilibrant force position compensation and its compensation method |
Non-Patent Citations (1)
| Title |
|---|
| 《扭矩扳子校验仪》.《农业装备与车辆工程》.1998,全文. * |
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