CN108375450A - A kind of torque spanner calibrating installation - Google Patents
A kind of torque spanner calibrating installation Download PDFInfo
- Publication number
- CN108375450A CN108375450A CN201810383500.6A CN201810383500A CN108375450A CN 108375450 A CN108375450 A CN 108375450A CN 201810383500 A CN201810383500 A CN 201810383500A CN 108375450 A CN108375450 A CN 108375450A
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- Prior art keywords
- break
- torque
- face
- torque spanner
- power transmission
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- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 36
- 210000003371 toe Anatomy 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 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
- 239000011148 porous material Substances 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
- 238000004088 simulation Methods 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
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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 installations, torque spanner calibrating installation includes monitor station, standard torque sensor is provided on monitor station, torque spanner calibrating installation further includes mechanism loading, mechanism loading includes the first break-in part and the second break-in part of rotational resistance square between can relatively rotating and capable of adjusting the two, one of break-in part is connected with the test side of the standard torque sensor, another break-in part is used to be connected with the torque output for the torque spanner being accordingly accredited.The torque spanner calibrating installation that can increase with angular displacement the present invention provides a kind of action torque and grow up.
Description
Technical field
The present invention relates to a kind of torque spanner calibrating installations 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
It is inconsistent, while sliding block is also inconsistent to the direction in the force direction and actual mechanical process of force plate, spanner twisting mistake
Emulator in journey is poor.
Invention content
The torque spanner calibrating that can increase with angular displacement the purpose of the present invention is to provide a kind of action torque and grow up
Device.
In order to solve the above technical problems, technical scheme is as follows：
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 mechanism loading to determine device, and mechanism loading includes first of rotational resistance square between can relatively rotating and capable of adjusting the two
Break-in part and the second break-in part, one of break-in part are connected with the test side of the standard torque sensor, another mill
Component is used to be connected with the torque output for the torque spanner being accordingly accredited.
It is connected through a screw thread between first break-in part and the second break-in part and realizes and can relatively rotate, the first break-in part has
The first break-in part abrasive end face perpendicular with the axis of thread, the second break-in part have for rubbing with the first break-in part
Wipe the second break-in part abrasive end face of end face contact friction.
The upper end of first break-in part has for realizing the first mill being connected with the torque of torque spanner output sleeve
The outer square toes of component, the first break-in part include and the spaced apart stop block of square toes outside the first break-in part, first break-in
Part abrasive end face is made of end face of the stop block far from the first first side of break-in part foreign side.
First break-in part periphery is equipped with the first break-in part power transmission face, and the inner wall of the second break-in part is equipped with and the first break-in part
The second break-in part power transmission face that power transmission face is adapted to and is rotatably assorted, the first break-in part power transmission face are to be with the axis of the first break-in part
The surface of revolution of axis of rotation, the second break-in part are split-type structure, and torque spanner calibrating installation further includes an at least valve thereto
First break-in part applies the load maintainer of radial loaded power.
The first break-in part power transmission face is at least one of circular conical surface, cylindrical surface, spherical surface or ellipsoidal surface.
It is provided with the first break-in part power transmission face on first break-in part, is provided on the second break-in part and the first break-in part power transmission
Face rotates the second break-in part power transmission face being engaged, and the first break-in part power transmission face, the second break-in part power transmission face include and first
The plane of the axis perpendicular of break-in part and/or the conical surface torque spanner calibrating installation being coaxially set with the first break-in part also wrap
Include the load maintainer for applying axially loaded power to the second break-in part.
Beneficial effects of the present invention are：Torque spanner calibrating installation in the present invention is that accredited torque is pulled in use
It is provided with mechanism loading between son and standard torque sensor, and simultaneously indirect connection, the first break-in part in mechanism loading, the
Torque spanner, which may be implemented, in two break-in parts has certain angular displacement, and the first break-in part, the second break-in part are in relative rotational motion
In, the adjustment of the moment of resistance is carried out, torque spanner action torque is increased with the increase of angular displacement to realize, more simulation is true
Real behaviour in service.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
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 of the present invention 2；
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 two belt wheels 10, and one of belt wheel is to be driven by decelerating motor
Driving wheel is wound with the flexible driving band 20 rotated under decelerating motor drive on two belt wheels, is connected on compliant rotational band 20
There is a guide pin 15, turning set is connected with spanner grip bracket 12 in guide pin, is provided on spanner grip bracket 12 for torque spanner 1
Spanner handle 14 be put into hold bracket 13, charging assembly further includes the guide plate 11 positioned at Flexible Transmission interband, guide plate 11
On offer arcuate guide slot hole 17, the center of circle of arcuate guide slot hole 17 is on the axis of standard torque sensor 9, guide pin
Axis 15 coordinates with 17 guiding movement of arcuate guide slot hole.The motor casing 18 of decelerating motor passes through oscillating bearing 19 and corresponding fixed base
Body is connected.In use, driving flexible driving band rotation, flexible driving band to be moved by guide pin by decelerating motor, it is oriented to
Axis pin in long guiding hole arcuately move by track, ensures spanner grip bracket to the force direction of torque spanner always perpendicular to torsion
The extending direction of square spanner, oscillating bearing is just the same to the shoulder joint of human body, being hinged between guide pin and spanner grip bracket
Relationship simulates the wrist joint of human body, simulates more true applying working condition, and fidelity is higher, is conducive to improve calibration accuracy,
Guide plate and spanner tray chamber are provided with support rolling element 16, ensure that spacing of the spanner bracket between guide plate is constant.It passes
Dynamic band is flexibility, therefore is adapted to the arcuate movement track of spanner grip bracket.
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；Charging assembly can not also be set, at this time can be by human hand come twisting spanner handle.
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 (6)
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 mechanism loading, and mechanism loading includes being revolved between can relatively rotating and capable of adjusting the two
Turn the first break-in part and the second break-in part of the moment of resistance, the test side phase of one of break-in part and the standard torque sensor
Even, another break-in part is used to be connected with the torque output for the torque spanner being accordingly accredited.
2. torque spanner calibrating installation according to claim 1, it is characterised in that：First break-in part and the second break-in part it
Between be connected through a screw thread and realize and can relatively rotate, the first break-in part have the first break-in part perpendicular with the axis of thread
Abrasive end face, the second break-in part have the second break-in part friction side for contacting friction with the first break-in part abrasive end face
Face.
3. torque spanner calibrating installation according to claim 2, it is characterised in that：The upper end of first break-in part, which has, to be used for
Realize the first break-in part being connected with the torque of torque spanner output sleeve square toes outside, the first break-in part includes and described the
The spaced apart stop block of the outer square toes of one break-in part, the first break-in part abrasive end face is by the stop block far from the first break-in
The end face of the first side of part foreign side is constituted.
4. torque spanner calibrating installation according to claim 1, it is characterised in that：First break-in part periphery is equipped with the first mill
Component power transmission face, the inner wall of the second break-in part are equipped with the second break-in part for being adapted to and being rotatably assorted with the first break-in part power transmission face
Power transmission face, the first break-in part power transmission face are using the axis of the first break-in part as the surface of revolution of axis of rotation, and the second break-in part is point
Flap-type structure, torque spanner calibrating installation further include the load machine that at least valve the first break-in part applies radial loaded power thereto
Structure.
5. torque spanner calibrating installation according to claim 4, it is characterised in that：The first break-in part power transmission face is circle
At least one of the conical surface, cylindrical surface, spherical surface or ellipsoidal surface.
6. torque spanner calibrating installation according to claim 1, it is characterised in that：It is provided with the first mill on first break-in part
Component power transmission face is provided on the second break-in part and rotates the second break-in part power transmission being engaged with the first break-in part power transmission face
Face, the first break-in part power transmission face, the second break-in part power transmission face include with the plane of the axis perpendicular of the first break-in part and/or with
The conical surface torque spanner calibrating installation that first break-in part is coaxially set further includes applying axially loaded power to the second break-in part
Load maintainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383500.6A CN108375450B (en) | 2018-04-26 | 2018-04-26 | Torque spanner calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383500.6A CN108375450B (en) | 2018-04-26 | 2018-04-26 | Torque spanner calibrating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108375450A true CN108375450A (en) | 2018-08-07 |
| CN108375450B CN108375450B (en) | 2024-04-16 |
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ID=63032972
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383500.6A Active CN108375450B (en) | 2018-04-26 | 2018-04-26 | Torque spanner calibrating device |
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| Country | Link |
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| CN (1) | CN108375450B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849536A (en) * | 2019-12-06 | 2020-02-28 | 河南牛帕力学工程研究院 | Torque sensor calibrating device |
| CN110873623A (en) * | 2019-11-28 | 2020-03-10 | 国家电网有限公司 | Torque wrench calibration device and calibration method |
| CN112326106A (en) * | 2019-09-24 | 2021-02-05 | 河南牛帕力学工程研究院 | Standard torque wrench |
| CN118294064A (en) * | 2024-06-04 | 2024-07-05 | 中国人民解放军第六四零九工厂 | Torque spanner calibrating device |
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| CN107764468A (en) * | 2017-10-16 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of moment of torsion plank calibrating installation |
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| CN211954548U (en) * | 2018-04-26 | 2020-11-17 | 郑州东辰科技有限公司 | Torque wrench calibrating device |
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| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326106A (en) * | 2019-09-24 | 2021-02-05 | 河南牛帕力学工程研究院 | Standard torque wrench |
| CN112326106B (en) * | 2019-09-24 | 2022-05-20 | 河南牛帕力学工程研究院 | Standard torque spanner |
| CN110873623A (en) * | 2019-11-28 | 2020-03-10 | 国家电网有限公司 | Torque wrench calibration device and calibration method |
| CN110849536A (en) * | 2019-12-06 | 2020-02-28 | 河南牛帕力学工程研究院 | Torque sensor calibrating device |
| CN110849536B (en) * | 2019-12-06 | 2024-04-12 | 天顶星（天津）电子科技有限责任公司 | Torque sensor calibrating device |
| CN118294064A (en) * | 2024-06-04 | 2024-07-05 | 中国人民解放军第六四零九工厂 | Torque spanner calibrating device |
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| Publication number | Publication date |
|---|---|
| CN108375450B (en) | 2024-04-16 |
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