CN206114190U - On --spot moment of torsion calibrating device - Google Patents
On --spot moment of torsion calibrating device Download PDFInfo
- Publication number
- CN206114190U CN206114190U CN201621032704.8U CN201621032704U CN206114190U CN 206114190 U CN206114190 U CN 206114190U CN 201621032704 U CN201621032704 U CN 201621032704U CN 206114190 U CN206114190 U CN 206114190U
- Authority
- CN
- China
- Prior art keywords
- bearing
- locating shaft
- quiet school
- calibration device
- quiet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses an on - -spot moment of torsion calibrating device, including support, stop sleeve, bearing, location axle, quiet school roof beam, balancing disk and weight, being equipped with the stop sleeve that is used for installation location axle on the support, fixing a position the axle and install in the stop sleeve with bearing fit, the other end and quiet school roof beam fixed connection are connected with the piece that awaits measuring to location axle one end, quiet school roof beam one end has hung the weight, and the balancing disk is installed to the other end, the utility model discloses a biserial antifriction bearing has eliminated the moment of flexure that is caused by the weight dead weight and has reduced the friction torque who supports the part as the support of location axle, has overcome and to have carried out the loaded difficult problem of pure moment of torsion to big torque sensor, through installing the balancing disk in quiet school roof beam one end, the other end sets up convex structure, has solved the problem that the roof beam slope of quiet school leads to arm of force length to change, through adopting thin steel band to hang the weight, on the effect arm of force of guaranteeing weight gravity is in water flat line all the time, the system error of device, the sensitivity that has improved the device have been reduced.
Description
Technical field
This utility model is related to a kind of on-site torsion calibration device, is particularly suited for various torque sensors and moment of torsion
Measuring apparatus carry out metrology and measurement, belong to the technical field of rotating machinery torque calibration.
Background technology
Moment of torsion is important mechanical characteristics parameter in rotating machinery, and torque sensor is extensively applied as torque measuring device
In dynamic power machine torque measurement.Large high-speed rotating machinery axiality has high demands, adjusts difficulty greatly, is to reduce torquemeter as far as possible to tear open
Dress, while the concordance in order to ensure use state, needs scene to carry out measurement and calibration to torque sensor.
At present, moment of torsion static demarcating is adopted the measurement and calibration of torque sensor, the method for comparative maturity is fixed more
A number of counterweight is carried additionally on quiet school beam, standard torque value is produced by the effect of arm lever, torque sensor is suffered to be turned round
Torque is equal to the product of twisting resistance and reverse lever.But the method can affect the accuracy of calibration result, main cause is as follows：
The torque sensor for carrying high pulling torque needs correspondence greater weight counterweight to be used for torque calibration, torque sensor output shaft
Support point with Weight gravity not in the same plane, causes the radial force that quiet school beam and counterweight weight are formed to produce sensor output shaft
Raw flecition, it is impossible to realize that pure torsion is loaded；During calibration, quiet school beam needs to keep horizontality, and it is more difficult that horizontal level judges,
Inclined quiet school beam can bring impact to effective torque arm length；Lever needs to reply poised state, and configuration levelling device is used for adjusting
Whole lever balance can make the structure of calibrating installation become more complicated again.In addition, the moment of friction meeting of arm lever support zone
Reduce the precision of caliberating device.
Utility model content
Technology solve problem of the present utility model is：The deficiencies in the prior art, this utility model are overcome to provide a kind of existing
Torsion calibration device, by using double-row bearing as locating shaft support, eliminate by counterweight deadweight cause it is curved
Square simultaneously reduces the moment of friction of support section, and overcome to carry out a difficult problem for pure torsion loading to high pulling torque sensor；It is logical
Cross and balancing frame is installed in quiet school beam one end, arc-shaped structure is set in the quiet school beam other end, solving quiet school beam and inclining causes power
The problem that arm lengths change；By being used as counterweight suspender belt using thin steel strip, it is ensured that the acting force arm of Weight gravity is located all the time
On a horizontal, the systematic error of device is reduced, the sensitivity of device is improve.
Technical solution of the present utility model is：
A kind of on-site torsion calibration device, including bearing, stop sleeve, bearing, locating shaft, quiet school beam, balancing frame and weight
Code；Bearing is provided with for installing the stop sleeve of locating shaft, and locating shaft is with bearing fit and is arranged in stop sleeve, positions
Axle one end is connected with part to be measured, and the locating shaft other end is fixedly connected with quiet school beam, and quiet school beam one end is hung with counterweight, and quiet school beam is another
One end is provided with the balancing frame for adjustment.
In a kind of above-mentioned on-site torsion calibration device, bearing adopts cube structure, is provided with for pacifying in the middle part of bearing
The hole of dress stop sleeve.
Quiet school beam passes through thin steel strip and pallet hangs counterweight, and thin steel strip one end is fixedly connected with quiet school beam, and thin steel strip is another
End is fixedly connected with the tray, and counterweight is overlayed on pallet.
Balancing frame is used to balance locating shaft and the initial torque after the connection of quiet school beam.
One end that quiet school beam is connected with thin steel strip is provided with arc-shaped structure, and the arc-shaped structure with the axis of locating shaft is
The center of circle, thin steel strip are fixedly connected with the end of the arc-shaped structure, and are fitted in the outer rim of the arc-shaped structure.
Quiet school beam is spirally connected with balancing frame.
Axle sleeve is installed on locating shaft, locating shaft is coordinated using gap with axle sleeve, and locating shaft adopts interference fit with bearing.
Bearing adopts double-row bearing.
Bearing two ends are fixed in stop sleeve by the first end cap and the second end cap respectively.
The inside of the first end cap and the second end cap is equipped with for being embedded in the shoulder hole of bearing.
This utility model beneficial effect compared with prior art is：
1st, this utility model as the support of locating shaft, is eliminated and is caused by counterweight deadweight by using double-row bearing
Moment of flexure and reduce the moment of friction of support section, overcome to carry out the difficulty of pure torsion loading to high pulling torque sensor
Topic.
2nd, this utility model arranges arc-shaped structure in the quiet school beam other end by installing balancing frame in quiet school beam one end,
Solving the problems, such as that quiet school beam is inclined causes torque arm length to change.
3rd, this utility model is by being used as counterweight suspender belt using thin steel strip, it is ensured that the acting force arm of Weight gravity is in all the time
The systematic error of device on horizontal line, is reduced, the sensitivity of device is improve.
4th, locating shaft of the present utility model and quiet school beam can flexible transmission moment of torsion, simplify to part torque calibration to be measured
Process.
5th, this utility model compact overall structure, it is adaptable to various working environments, still can be good under complex working condition
Operating, with highly versatile, it is applied widely the characteristics of.
6th, stop sleeve of the present utility model, bearing, balancing frame, counterweight, thin steel strip, pallet and axle sleeve, be standard component,
Need not be special, and be easy to keep in repair and change, significantly reduce production cost.
Description of the drawings
Fig. 1 is this utility model front view
Fig. 2 is this utility model sectional view
Fig. 3 is this utility model top view
Wherein：1 bearing；2 stop sleevees；3 bearings；4 locating shafts；5 quiet school beams；6 balancing frames；7 counterweights；8 thin steel strips；9 supports
Disk；10 axle sleeves；11 drive end bearing brackets；12 rear end caps；
Specific embodiment
To make scheme of the present utility model more understand, explanation and specific embodiment are to this utility model below in conjunction with the accompanying drawings
It is further described：
As Figure 1-3, it is a kind of on-site torsion calibration device, including bearing 1, stop sleeve 2, bearing 3, locating shaft 4, quiet
School beam 5, balancing frame 6 and counterweight 7；Bearing 1 is provided with for installing the stop sleeve 2 of locating shaft 4, and locating shaft 4 is coordinated with bearing 3
And be arranged in stop sleeve 2,4 one end of locating shaft is connected with part to be measured, and 4 other end of locating shaft is fixedly connected with quiet school beam 5, quiet
Beam 5 one end in school is hung with counterweight 7, and quiet 5 other end of school beam is provided with the balancing frame 6 for adjustment.
Bearing 1 adopts cube structure, is provided with for installing the hole of stop sleeve 2 in the middle part of bearing 1.
Quiet school beam 5 passes through thin steel strip 8 and pallet 9 hangs counterweight 7, and 8 one end of thin steel strip is fixedly connected with quiet school beam 5, Bao Gang
8 other ends of band are fixedly connected with pallet 9, and counterweight 7 is overlayed on pallet 9.
Balancing frame 6 is used to balance locating shaft 4 and the initial torque after the connection of quiet school beam 5.
One end that quiet school beam 5 is connected with thin steel strip 8 is provided with arc-shaped structure, and the arc-shaped structure is with the axle of locating shaft 4
Line is the center of circle, and thin steel strip 8 is fixedly connected with the end of the arc-shaped structure, and is fitted in the outer rim of the arc-shaped structure
On.
Quiet school beam 5 is spirally connected with balancing frame 6.
Axle sleeve 10 is installed on locating shaft 4, locating shaft 4 is coordinated using gap with axle sleeve 10, and locating shaft 4 is adopted with bearing 3
Interference fit.
Bearing 3 adopts double-row bearing.
3 two ends of bearing pass through the first end cap 11 respectively and the second end cap 12 is fixed in stop sleeve 2.
The inside of the first end cap 11 and the second end cap 12 is equipped with for being embedded in the shoulder hole of bearing 3.
Operation principle of the present utility model is：
When torque calibration being carried out to part to be measured, first adjust the axiality of bearing 1 and part output shaft to be measured, then by locating shaft
4 are connected with part output shaft to be measured, make quiet school beam 5 in poised state by adjustment disk 6, then, by one end of thin steel strip 8
The end of quiet 5 arc-shaped structure of school beam is fixed on, the other end of thin steel strip 8 is fixed on pallet 9, finally, by increasing and decreasing weight
Code 7 adjusts the stressing conditions of quiet school beam 5.
Because quiet 5 arc-shaped structure of school beam is, with the axis of locating shaft 4 as the center of circle, to be applied by thin steel strip 8
Power on quiet school beam 5 remains at the tangential direction of circular arc, and the length of its effective arm of force keeps constant, as circular arc knot
The radius length of structure；Thin steel strip 8 ensure that the acting force arm of 7 gravity of counterweight is in level all the time, it is ensured that quiet school beam 5 is in stress
When, torque arm length is unrelated with arm of force corner, without the need for leveling in certain angle, it is not necessary to arranges remaining levelling gear, simplifies
Structure.
The content not described in detail in this utility model description is known to the skilled person technology.
Claims (10)
1. a kind of on-site torsion calibration device, it is characterised in that：Including bearing (1), stop sleeve (2), bearing (3), locating shaft
(4), quiet school beam (5), balancing frame (6) and counterweight (7)；Bearing (1) is provided with for installing the stop sleeve (2) of locating shaft (4),
With bearing (3) with merging in stop sleeve (2), locating shaft (4) one end is connected locating shaft (4) with part to be measured, locating shaft
(4) other end is fixedly connected with quiet school beam (5), and quiet school beam (5) one end is hung with counterweight (7), and quiet school beam (5) other end is provided with
Balancing frame (6) for adjustment.
2. a kind of on-site torsion calibration device according to claim 1, it is characterised in that：Bearing (1) employing cube
Body structure, is provided with the middle part of bearing (1) for installing the hole of stop sleeve (2).
3. a kind of on-site torsion calibration device according to claim 1, it is characterised in that：The quiet school beam (5) is by thin
Steel band (8) and pallet (9) hang counterweight (7), and thin steel strip (8) one end is fixedly connected with quiet school beam (5), thin steel strip (8) other end
It is fixedly connected with pallet (9), counterweight (7) is overlayed on pallet (9).
4. a kind of on-site torsion calibration device according to claim 1 or 3, it is characterised in that：The balancing frame (6) is used for
Initial torque after balance locating shaft (4) and quiet school beam (5) connection.
5. a kind of on-site torsion calibration device according to claim 1 or 3, it is characterised in that：The quiet school beam (5) with it is thin
One end that steel band (8) connects is provided with arc-shaped structure, the arc-shaped structure with the axis of locating shaft (4) as the center of circle, thin steel strip
(8) it is fixedly connected with the end of the arc-shaped structure, and is fitted in the outer rim of the arc-shaped structure.
6. a kind of on-site torsion calibration device according to claim 5, it is characterised in that：The quiet school beam (5) and balance
Disk (6) is spirally connected.
7. a kind of on-site torsion calibration device according to claim 5, it is characterised in that：Install on the locating shaft (4)
There is axle sleeve (10), locating shaft (4) is coordinated using gap with axle sleeve (10), and locating shaft (4) adopts interference fit with bearing (3).
8. a kind of on-site torsion calibration device according to claim 7, it is characterised in that：The bearing (3) adopts biserial
Rolling bearing.
9. a kind of on-site torsion calibration device according to claim 8, it is characterised in that：Bearing (3) the two ends difference
It is fixed in stop sleeve (2) by the first end cap (11) and the second end cap (12).
10. a kind of on-site torsion calibration device according to claim 9, it is characterised in that：First end cap (11) and
The inside of the second end cap (12) is equipped with for being embedded in the shoulder hole of bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032704.8U CN206114190U (en) | 2016-08-31 | 2016-08-31 | On --spot moment of torsion calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621032704.8U CN206114190U (en) | 2016-08-31 | 2016-08-31 | On --spot moment of torsion calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114190U true CN206114190U (en) | 2017-04-19 |
Family
ID=58519307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621032704.8U Active CN206114190U (en) | 2016-08-31 | 2016-08-31 | On --spot moment of torsion calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114190U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197843A (en) * | 2016-08-31 | 2016-12-07 | 北京航天动力研究所 | A kind of on-site torsion calibration device |
| CN115096505A (en) * | 2022-06-22 | 2022-09-23 | 哈尔滨工业大学 | Vertical torque sensor calibration tool |
-
2016
- 2016-08-31 CN CN201621032704.8U patent/CN206114190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197843A (en) * | 2016-08-31 | 2016-12-07 | 北京航天动力研究所 | A kind of on-site torsion calibration device |
| CN115096505A (en) * | 2022-06-22 | 2022-09-23 | 哈尔滨工业大学 | Vertical torque sensor calibration tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106197843A (en) | A kind of on-site torsion calibration device | |
| CN100529699C (en) | Micro-bearing friction torgue measuring instrument | |
| CN206114190U (en) | On --spot moment of torsion calibrating device | |
| CN101750177B (en) | Assembly test table of pivoting support of windmill generator | |
| CN104533942B (en) | Roller type guideway for truss robot | |
| CN206399385U (en) | A kind of measurement apparatus of bearing inner race circular runout | |
| CN207991489U (en) | A kind of running accuracy measuring device of bearing | |
| CN101509814B (en) | Design method of miniature bearing dynamic friction moment measurement instrument | |
| CN106442715A (en) | Surface defect detection device | |
| CN109765002B (en) | Combined static pressure air bearing supporting mechanism | |
| US9683915B2 (en) | Inspection device | |
| CN217424652U (en) | Dynamic balance detection device for railway wheel pair | |
| CN205934869U (en) | Hoisting hoister | |
| JP2009222639A (en) | Tire testing device and method | |
| CN210293541U (en) | Planet carrier static balance testing device | |
| CN201184841Y (en) | Oversize detector for rotating accuracy of cylindrical roller bearing | |
| CN110261106A (en) | A kind of torque detecting apparatus of hub bearing | |
| CN110159710A (en) | A kind of floating planet gear architecture for Miniature precision planetary reducer | |
| CN206348127U (en) | A kind of rotary shaft balance dynamic loading device | |
| CN215726534U (en) | Torque standard machine | |
| CN209342371U (en) | A kind of detection of harmonic reducer flexible wheel is with waving experimental provision | |
| CN111006864B (en) | Spline shaft flexibility detection method and detection tool | |
| CN202305117U (en) | Dynamic balance calibration device for crank shaft | |
| CN109500589B (en) | Balancing device and balancing method for gravity-method large gear servo mechanism | |
| CN207881882U (en) | Composite shaft system mechanics Standard Machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |