CN108375451A - A kind of torque spanner calibrating installation and its charging assembly - Google Patents
A kind of torque spanner calibrating installation and its charging assembly Download PDFInfo
- Publication number
- CN108375451A CN108375451A CN201810383511.4A CN201810383511A CN108375451A CN 108375451 A CN108375451 A CN 108375451A CN 201810383511 A CN201810383511 A CN 201810383511A CN 108375451 A CN108375451 A CN 108375451A
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- spanner
- torque
- bracket
- calibrating installation
- charging assembly
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- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000012795 verification Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 210000003371 toe Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
- 210000003857 wrist joint Anatomy 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)
Abstract
The present invention relates to a kind of torque spanner calibrating installation and its charging assemblies, torque spanner calibrating installation includes monitor station, standard torque sensor is provided on monitor station, torque spanner calibrating installation further includes charging assembly, charging assembly includes arcuate guide structure, the center of circle of arcuate guide structure and the test side of standard torque sensor are coaxially set, it is oriented in arcuate guide structure and is connected with pivot center and the test side axis of the standard torque sensor spanner grip bracket disposed in parallel for driving corresponding spanner handle movement, charging assembly further includes driving the spanner grip bracket bracket force application mechanism that arcuately guide frame structure directing moves.The present invention solves the problems, such as to cause verification process fidelity poor spanner force direction and spanner handle out of plumb in the prior art.
Description
Technical field
The present invention relates to the torque spanner calibrating installations and its charging assembly in calibrating field.
Background technology
It is currently, there are in the manufacturing link of bolts assemblies, need to ensure that bolt clipping forcee preferably must be held in national standard
Within the scope of regulation, the torque wrench itself for assembling bolt is extremely important whether accurate, it is therefore desirable to be filled by calibrating
It sets and the torque sensor in torque spanner is examined and determine.Existing torque spanner calibrating installation such as Chinese patent
" hand torque wrench calibrator " disclosed in CN205262672U, the torque wrench calibrator include being equipped with standard torque to sense
Monitor station, dynamometry component and the charging assembly of device, monitor station include shell and the torque collection plate component that is connected by electric signal
With torque processing board component, charging assembly includes fixed frame, leading screw, feed nut, guide rod, sliding block and manual loading wheel,
The test side of standard torque sensor is socketed with adapter, and the end of adapter is an all directions pore structure, and dynamometry component includes
One end of testing force plate and blocking arm, force plate is socketed on adapter, and blocking arm is arranged the other end in force plate, under force plate
Plate face is equipped with the sliding slot extended along force plate length direction, and sliding block is plugged in the sliding slot.
When in use, sleeve corresponding with torque spanner to be measured is selected to be socketed on adapter, by torque spanner to be measured
Head is stuck on sleeve, and the handle of torque spanner is placed on force plate and is offseted with blocking arm, rotation manual loading wheel is being fed
Under the displacement of nut, sliding block drives force plate around adapter to there is rotation trend to pass through adopting in monitor station to generate torque
Collection board group part and processing board component can get the torque of torque spanner to be measured.Existing this torque spanner calibrating is asked there are following
Topic：In general operating mode of the torque spanner in verification process differs larger with actual condition, and whole fidelity is poor, first
First, since the angular displacement that standard torque sensor itself can rotate is smaller, tested torque spanner is directly sensed with standard torque
Device is rigidly connected, and in practical application, action torque is realized and grows up by tightening bolt mostly, in torque spanner action
When, be as angular displacement is increased by effect bolt, rotation torque increases gradually, and when detect in the past, torque spanner and
Standard torque sensor is in direct contact, and torque gradient is larger, influences accuracy of detection；In addition the fidelity of twisting process is not yet
Enough, sliding block moves along a straight line under handwheel drive, the movement locus of human hand in the straight-line trajectory and actual mechanical process of sliding block
Inconsistent, in actual use, in order to laborsaving, human hand is always perpendicular to spanner handle, together to the force direction of spanner handle
When sliding block it is also inconsistent to the direction in the force direction and actual mechanical process of force plate, the emulation during spanner twisting
Degree is poor.
Invention content
The purpose of the present invention is to provide a kind of charging assemblies, to solve in the prior art to spanner force direction and spanner
Handle out of plumb and the problem for leading to verification process fidelity difference.
In order to solve the above technical problems, the technical solution of torque spanner calibrating installation is as follows in the present invention：
A kind of torque spanner calibrating installation, including monitor station are provided with standard torque sensor, torque spanner inspection on monitor station
It further includes charging assembly to determine device, and charging assembly includes arcuate guide structure, and the center of circle and the standard torque of arcuate guide structure pass
The test side of sensor is coaxially set, and the detection for being connected with pivot center and standard torque sensor is oriented in arcuate guide structure
The end axis spanner grip bracket disposed in parallel for driving corresponding spanner handle movement, charging assembly further includes being pulled described in drive
The sub- grip bracket bracket force application mechanism that arcuately guide frame structure directing moves.
The charging assembly includes guide plate, and arcuate guide structure is that the arcuate guide that is opened on the guide plate is long
Hole.
Spanner grip bracket is assemblied in by guide pin in arcuate guide slot hole, and axis and the standard torque of guide pin pass
The test side axis of sensor is arranged in parallel, and spanner grip bracket is rotationally connected in guide pin.
It is provided on spanner grip bracket and holds bracket along what spanner handle extending direction extended for what spanner handle was placed.
Bracket force application mechanism includes the flexible driving band driven by belt wheel, and the spanner grip bracket is connected to the flexible biography
It is dynamic to take.
The support that spacing between restricted spanner grip bracket and wire guide plate is arranged between guide plate and spanner grip bracket rolls
Body.
One of belt wheel is the driving wheel driven by decelerating motor, and the motor casing of decelerating motor passes through oscillating bearing and phase
Fixing base is answered to be connected.
The technical solution of charging assembly is in the present invention：
The charging assembly of torque spanner calibrating installation, charging assembly include arcuate guide structure, the center of circle of arcuate guide structure with
The test side of standard torque sensor is coaxially set, and is oriented in arcuate guide structure and is connected with pivot center and standard torque biography
The test side axis spanner grip bracket disposed in parallel for driving corresponding spanner handle movement of sensor, charging assembly further include
Drive the spanner grip bracket bracket force application mechanism that arcuately guide frame structure directing moves.
Spanner grip bracket is assemblied in by guide pin in arcuate guide slot hole, and axis and the standard torque of guide pin pass
The test side axis of sensor is arranged in parallel, and spanner grip bracket is rotationally connected in guide pin
Bracket force application mechanism includes the flexible driving band driven by belt wheel, and the spanner grip bracket is connected to the flexible driving band
On.
Beneficial effects of the present invention are：When in use, spanner handle of the spanner grip bracket of charging assembly to torque spanner
It exerts a force and spanner handle is driven to move, the guide direction movement of spanner grip bracket arcuately guide frame, therefore spanner grip bracket
Movement locus be circular motion centered on the test side axis of standard torque sensor, along with turning for spanner grip bracket
Shaft line is parallel with the test side axis of standard torque sensor, therefore in spanner grip bracket moving process, spanner grip bracket
The rotation adjustment that itself can also be carried out, ensures spanner grip bracket to the force direction of spanner handle always perpendicular to spanner handle
Extending direction, fidelity higher consistent with true twisting process force.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment 1 of torque spanner calibrating installation in the present invention；
Fig. 2 is the structural schematic diagram of spanner charging assembly in embodiment 1；
Fig. 3 is the cooperation schematic diagram of torque spanner and spanner bracket in Fig. 2；
Fig. 4 is the structural schematic diagram of the embodiment 2 of torque spanner calibrating installation in the present invention；
Fig. 5 is the structural schematic diagram of the intermediate force transmission element in Fig. 3.
Specific implementation mode
A kind of embodiment 1 of torque spanner calibrating installation is as shown in Fig. 1 ~ 3：Including monitor station and spanner charging assembly, inspection
Standard torque sensor 9 is fixed on scaffold tower, the test side of standard torque sensor 9 is interior square hole structure.Torque spanner is examined and determine
Device further includes mechanism loading, and mechanism loading includes relatively turnable first break-in part 3 and the second break-in part 4, the present embodiment
In the first break-in part be threadedly coupled with the second break-in part, the first break-in part is equivalent to bolt, and the second break-in part is equivalent to nut,
The upper end of one break-in part is the outer square toes 6 of the first break-in part, and the outer square toes 6 of the first break-in part are for the torsion with accredited torque spanner
Square exports 2 rotation stop inserting of sleeve, and the outer square toes of the first break-in can the torque output sleeve of opposing torque spanner move up and down, second
The lower end of break-in part is the outer square toes 5 of the first break-in part, and the outer square toes 5 of the second break-in part are for the detection with standard torque sensor 9
Hold rotation stop grafting.
First break-in part further includes and the spaced apart stop block 7 of square toes, the structure function of stop block outside the first break-in part
It is equivalent to the head of bolt, the lower face of stop block constitutes the first break-in part abrasive end face 8, and the upper surface of the second break-in part is constituted
The second break-in part abrasive end face for contacting frictional fit with the first break-in part abrasive end face, the first break-in part abrasive end face,
Second break-in part abrasive end face is vertical with the axis of the first break-in part, the first break-in part abrasive end face and the second break-in part friction side
When face contacts, just on the head top to nut of similar bolt, with being rotated further for torque spanner, the first break-in part friction side
Increasing rotational resistance square is generated between face, the second break-in part abrasive end face, thus really simulates torque spanner
Use environment.
Plank charging assembly in the present embodiment includes bracket force application mechanism, and bracket force application mechanism includes two belt wheels 10,
One of belt wheel is the driving wheel driven by decelerating motor, be wound on two belt wheels decelerating motor drive under rotate it is soft
Property transmission belt 20 is connected with guide pin 15 on compliant rotational band 20, and turning set is connected with spanner grip bracket 12 in guide pin, pulls
It is provided on sub- grip bracket 12 and holds bracket 13 for what the spanner handle 14 of torque spanner 1 was put into, charging assembly further includes positioned at soft
Property transmission interband guide plate 11, offer arcuate guide slot hole 17 on guide plate 11, the center of circle of arcuate guide slot hole 17 is in
On the axis of standard torque sensor 9, guide pin 15 coordinates with 17 guiding movement of arcuate guide slot hole.The motor of decelerating motor
Shell 18 is connected by oscillating bearing 19 with corresponding fixing base.In use, flexible driving band rotation is driven by decelerating motor, it is soft
Property transmission belt moved by guide pin, guide pin in long guiding hole arcuately track move, ensure spanner grip bracket pair
For the force direction of torque spanner always perpendicular to the extending direction of torque spanner, oscillating bearing is just the same to the shoulder joint of human body,
Hinged relationship between guide pin and spanner grip bracket simulates the wrist joint of human body, simulates more true applying working condition,
Fidelity is higher, is conducive to improve calibration accuracy, and guide plate and spanner tray chamber are provided with support rolling element 16, ensure spanner
Spacing of the bracket between guide plate is constant.Transmission belt is flexibility, therefore is adapted to the arcuate movement track of spanner grip bracket.
Arcuate guide slot hole other arcuate guide structures can also be replaced by arcuate guide elongated slot or the idler wheel of two rows of arc arrangements etc.；
Spanner grip bracket can also be coordinated by a directive wheel and arcuate guide structure directing；Bracket of holding on spanner grip bracket also may be used
To be replaced by a L-shaped block recess portion, as long as can play the role of to spanner grip support, and spanner handle can be driven to move
；The bracket force application mechanism of spanner grip bracket movement is driven to may not be the force application mechanism of Flexible Transmission belt, such as
Spanner grip bracket is pushed to move by a solid lifter, solid lifter can be atmospheric pressure pole, hydraulic stem or electric pushrod, just
One end of property push rod is hinged and connected with spanner grip bracket, and other end and the fixing base of solid lifter are hinged and connected, this implementation
Fixing base in example refers to the opposite irremovable matrix of spanner grip bracket, by the hinged relationship at solid lifter both ends and just
Property push rod length variation come allow spanner grip bracket arcuately guide frame move.
In other embodiments of the invention：Stop block on first break-in part can not also be set, at this time the first break-in part
A bolt may be used, the lower face on the head of bolt constitutes the first break-in part abrasive end face；When the torque of torque spanner is defeated
When outlet is outer square head structure, the interior square hole being adapted to the outer square head structure is set, same reason works as mark on the first break-in part
When the test side of quasi- torque sensor is outer square head structure, need that the interior side being adapted to outer square head structure is arranged on the second break-in part
The realization that the test side of hole, certain first break-in part and standard torque sensor can also be bolted or be wholely set connects
It connects.
A kind of embodiment 2 of torque spanner calibrating installation is as shown in Fig. 4 ~ 5：As different from Example 1, the first break-in part
3 and second between break-in part 4 not by threaded connection, the first break-in part periphery is equipped with the first break-in part power transmission face, second
The inner wall of break-in part is equipped with the second break-in part power transmission face for being adapted to and being rotatably assorted with the first break-in part power transmission face, the first break-in
Part power transmission face is using the axis of the first break-in part as the surface of revolution of axis of rotation, and the first break-in part power transmission face includes a cylindroid
25 and two taper surfaces 26 of cylindroid both sides up and down are set to, the second break-in part is split-type structure, and the second break-in part includes
Two independently arranged point of valves, torque spanner calibrating installation further include thereto valve the second break-in part apply radial loaded power
Load maintainer, load maintainer includes load cylinder 22 in the present embodiment, loads and is provided with load plate 23, load plate on the piston rod of cylinder
The first rolling bearing 24 is provided between corresponding valve break-in part, loading cylinder in this way does not influence the rotation of the second break-in part.
Second break-in part is connected by intermediate force transmission element 30 with the test side of standard torque sensor 9, and intermediate force transmission element includes force transmission element
Outer square toes 34 are connected to the terminal pad 33 of the outer square toes upper end of force transmission element, and there are two connection pawls 32 for the upper end setting of terminal pad, wherein
One connection pawl 32 is fixedly linked with wherein valve the second break-in part, and connection pawl connecting hole is provided on other valve break-in part
31, the upper end of another connection pawl is inserted into connection pawl connecting hole 31, and connection pawl connecting hole 31 is along the second break-in part diameter
Upward length will be longer than the thickness for being correspondingly connected with pawl, connect the radial direction that pawl does not interfere with load maintainer pair the second break-in part in this way
Load.In the present invention, the rotational resistance square adjustment between the first break-in part and the second break-in part is the load by load maintainer
What power was adjusted, by load cylinder 22 to wherein valve the second break-in part apply radial loaded power, the first break-in part power transmission face,
Rotational resistance square is generated between second break-in part power transmission face, action torque can increase with angular displacement and be grown up.Such as in reality
In verification process, torque can be equivalent in the angular displacement no more than 21 degree from 50% to the 120% of test torque grade and complete inspection
Fixed, since the first break-in part power transmission face, the second break-in part power transmission face are revolving structure, the first break-in part will not be with respect to the
Two break-in parts generate precession action, can move back a process to avoid frequent in this way, in embodiment 1 after the completion of each calibrating, all
It needs the first break-in part retracting origin-location.Figure middle term 35 indicates testboard holder, the first break-in part 3 and the second break-in part 4
Bearing 21 is both provided between testboard holder 35.In other embodiments of the invention, the first break-in part power transmission face may be used also
To be perpendicular to the plane of the first break-in part axis, load maintainer can be axially loaded by applying to corresponding break-in part at this time,
To adjust the rotational resistance square between the first break-in part, the second break-in part.Figure middle term 2 indicates that the torque of torque spanner exports sleeve；
Other loading elements that load cylinder can also can be exported loading force by electric pushrod, spring loads etc. replace.
Claims (10)
1. a kind of torque spanner calibrating installation, including monitor station, it is provided with standard torque sensor on monitor station, feature exists
In：Torque spanner calibrating installation further includes charging assembly, and charging assembly includes arcuate guide structure, the center of circle of arcuate guide structure
It is coaxially set with the test side of standard torque sensor, is oriented in arcuate guide structure and is connected with pivot center and standard torque
The test side axis spanner grip bracket disposed in parallel for driving corresponding spanner handle movement of sensor, charging assembly also wrap
It includes and drives the spanner grip bracket bracket force application mechanism that arcuately guide frame structure directing moves.
2. torque spanner calibrating installation according to claim 1, it is characterised in that：The charging assembly includes guide plate,
Arcuate guide structure is the arcuate guide slot hole being opened on the guide plate.
3. torque spanner calibrating installation according to claim 2, it is characterised in that：Spanner grip bracket is filled by guide pin
Assigned in arcuate guide slot hole, the axis of guide pin and the test side axis of standard torque sensor are arranged in parallel, and spanner is held
Carriage turns are connected in guide pin.
4. torque spanner calibrating installation according to claim 1, it is characterised in that：It is provided with for spanner on spanner grip bracket
What handle was placed holds bracket along what spanner handle extending direction extended.
5. torque spanner calibrating installation according to claim 2 or 3, it is characterised in that：Bracket force application mechanism includes by band
The flexible driving band driven is taken turns, the spanner grip bracket is connected on the Flexible Transmission band.
6. torque spanner calibrating installation according to claim 5, it is characterised in that：It is set between guide plate and spanner grip bracket
It is equipped with the support rolling element of spacing between limitation spanner grip bracket and wire guide plate.
7. torque spanner calibrating installation according to claim 5, it is characterised in that：One of belt wheel is by decelerating motor
The motor casing of the driving wheel of driving, decelerating motor is connected by oscillating bearing with corresponding fixing base.
8. the charging assembly of torque spanner calibrating installation, it is characterised in that：Charging assembly includes arcuate guide structure, arcuate guide
The center of circle of structure and the test side of standard torque sensor are coaxially set, and are oriented in arcuate guide structure and are connected with pivot center
To the test side axis of the standard torque sensor spanner grip bracket disposed in parallel for driving corresponding spanner handle movement, add
It further includes driving the spanner grip bracket bracket force application mechanism that arcuately guide frame structure directing moves to carry component.
9. charging assembly according to claim 8, it is characterised in that：Spanner grip bracket is assemblied in arc by guide pin
In long guiding hole, the axis of guide pin and the test side axis of standard torque sensor are arranged in parallel, the rotation of spanner grip bracket
It is connected in guide pin.
10. charging assembly according to claim 9, it is characterised in that：Bracket force application mechanism include driven by belt wheel it is soft
Property transmission belt, the spanner grip bracket are connected on the Flexible Transmission band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383511.4A CN108375451B (en) | 2018-04-26 | 2018-04-26 | Torque wrench calibrating device and loading assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383511.4A CN108375451B (en) | 2018-04-26 | 2018-04-26 | Torque wrench calibrating device and loading assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108375451A true CN108375451A (en) | 2018-08-07 |
| CN108375451B CN108375451B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383511.4A Active CN108375451B (en) | 2018-04-26 | 2018-04-26 | Torque wrench calibrating device and loading assembly thereof |
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| Country | Link |
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| CN (1) | CN108375451B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196138A (en) * | 2019-07-11 | 2019-09-03 | 河南牛帕力学工程研究院 | A kind of standard torque spanner and torque spanner calibrating installation |
| CN112629749A (en) * | 2021-01-12 | 2021-04-09 | 郑州东辰科技有限公司 | Standard torque wrench and standard torque machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6634260B1 (en) * | 2000-11-02 | 2003-10-21 | Jonathan R Smith | Anchored and screw assisted wrench tool |
| JP2005262336A (en) * | 2004-03-16 | 2005-09-29 | Tohnichi Mfg Co Ltd | Standardizing box of measuring apparatus for increasingly fastening torque |
| CN202631190U (en) * | 2012-06-18 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Moment wrench calibration instrument |
| CN202693200U (en) * | 2012-05-08 | 2013-01-23 | 北京东方计量测试研究所 | Automated torque wrench testing system |
| CN203396532U (en) * | 2013-08-28 | 2014-01-15 | 苏州莱测检测科技有限公司 | Torque wrench calibrator |
| CN205262672U (en) * | 2015-12-04 | 2016-05-25 | 陕西东方航空仪表有限责任公司 | Manual formula torque wrench examines and determine appearance |
| CN107782491A (en) * | 2017-02-19 | 2018-03-09 | 郑州东辰科技有限公司 | Bionical handle clamp support mechanism and torque spanner calibrating installation |
| CN107941419A (en) * | 2017-02-19 | 2018-04-20 | 郑州东辰科技有限公司 | Torque spanner calibrating installation |
| CN211954549U (en) * | 2018-04-26 | 2020-11-17 | 郑州东辰科技有限公司 | Torque wrench calibrating device and loading assembly thereof |
-
2018
- 2018-04-26 CN CN201810383511.4A patent/CN108375451B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6634260B1 (en) * | 2000-11-02 | 2003-10-21 | Jonathan R Smith | Anchored and screw assisted wrench tool |
| JP2005262336A (en) * | 2004-03-16 | 2005-09-29 | Tohnichi Mfg Co Ltd | Standardizing box of measuring apparatus for increasingly fastening torque |
| CN202693200U (en) * | 2012-05-08 | 2013-01-23 | 北京东方计量测试研究所 | Automated torque wrench testing system |
| CN202631190U (en) * | 2012-06-18 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Moment wrench calibration instrument |
| CN203396532U (en) * | 2013-08-28 | 2014-01-15 | 苏州莱测检测科技有限公司 | Torque wrench calibrator |
| CN205262672U (en) * | 2015-12-04 | 2016-05-25 | 陕西东方航空仪表有限责任公司 | Manual formula torque wrench examines and determine appearance |
| CN107782491A (en) * | 2017-02-19 | 2018-03-09 | 郑州东辰科技有限公司 | Bionical handle clamp support mechanism and torque spanner calibrating installation |
| CN107941419A (en) * | 2017-02-19 | 2018-04-20 | 郑州东辰科技有限公司 | Torque spanner calibrating installation |
| CN211954549U (en) * | 2018-04-26 | 2020-11-17 | 郑州东辰科技有限公司 | Torque wrench calibrating device and loading assembly thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196138A (en) * | 2019-07-11 | 2019-09-03 | 河南牛帕力学工程研究院 | A kind of standard torque spanner and torque spanner calibrating installation |
| CN112629749A (en) * | 2021-01-12 | 2021-04-09 | 郑州东辰科技有限公司 | Standard torque wrench and standard torque machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108375451B (en) | 2024-04-16 |
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