CN106197843A - A kind of on-site torsion calibration device - Google Patents
A kind of on-site torsion calibration device Download PDFInfo
- Publication number
- CN106197843A CN106197843A CN201610798205.8A CN201610798205A CN106197843A CN 106197843 A CN106197843 A CN 106197843A CN 201610798205 A CN201610798205 A CN 201610798205A CN 106197843 A CN106197843 A CN 106197843A
- Authority
- CN
- China
- Prior art keywords
- bearing
- locating shaft
- quiet school
- calibration device
- counterweight
- 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.)
- Pending
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Classifications
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- 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)
- Testing Of Balance (AREA)
Abstract
The invention discloses a kind of on-site torsion calibration device, including bearing, stop sleeve, bearing, locating shaft, quiet school beam, balancing frame and counterweight；Bearing is provided with the stop sleeve for installing locating shaft, and locating shaft and bearing fit are arranged in stop sleeve, and locating shaft one end is connected with part to be measured, and the other end is fixing with quiet school beam to be connected；Beam one end, quiet school is hung with counterweight, and the other end is provided with balancing frame；The present invention uses double-row bearing as the support of locating shaft, eliminates the moment of flexure caused by counterweight deadweight the moment of friction reducing support section, overcomes the difficult problem that high pulling torque sensor cannot carry out pure torsion loading；By installing balancing frame in beam one end, quiet school, the other end arranges arc-shaped structure, solves quiet school beam and tilts the problem causing torque arm length to change；By using thin steel strip to hang counterweight, it is ensured that the acting force arm of Weight gravity is located on a horizontal all the time, decreases the systematic error of device, improves the sensitivity of device.
Description
Technical field
The present invention relates to a kind of on-site torsion calibration device, be particularly suited for various torque sensors and torque measurement
Equipment carries out metrology and measurement, belongs to the technical field of rotating machinery torque calibration.
Background technology
Moment of torsion is mechanical characteristics parameter important 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 requires that height, regulation difficulty are big, tears open for reducing torquemeter as far as possible
Dress, simultaneously in order to ensure the concordance of use state, needs scene that torque sensor is carried out measurement and calibration.
At present, measurement and calibration many employings moment of torsion static demarcating of torque sensor, the method for comparative maturity is fixing
Carrying additionally a number of counterweight on the beam of quiet school, produce standard torque value by the effect of arm lever, torque sensor is suffered to be turned round
Torque is equal to twisting resistance and the product reversing the arm of force.But the method can affect the accuracy of calibration result, main cause is as follows:
The torque sensor of carrying high pulling torque needs corresponding greater weight counterweight for torque calibration, propping up of torque sensor output shaft
With Weight gravity the most in the same plane, sensor output shaft is produced support point by the radial force causing quiet school beam and counterweight weight to be formed
Raw flecition, it is impossible to realize pure torsion and load；During calibration, quiet school beam needs to keep level, and it is more difficult that horizontal level judges,
Effective force arm lengths can be brought impact by the quiet school beam tilted；Lever needs to reply poised state, and configuration levelling device is used for adjusting
Whole lever balance can make again the structure of calibrating installation become more complicated.It addition, the moment of friction meeting of arm lever support zone
Reduce the precision of caliberating device.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, the invention provides a kind of torsion moment on the scene school
Standard apparatus, by using double-row bearing as the support of locating shaft, eliminates the moment of flexure caused by counterweight deadweight and reduces
The moment of friction of support section, overcomes the difficult problem that high pulling torque sensor cannot carry out pure torsion loading；By in quiet school
Balancing frame is installed in beam one end, and in quiet school, the beam other end arranges arc-shaped structure, solves quiet school beam and tilts to cause torque arm length to be sent out
The problem of changing；By using thin steel strip as counterweight suspender belt, it is ensured that the acting force arm of Weight gravity is in horizontal line all the time
On, decrease the systematic error of device, improve the sensitivity of device.
The technical solution of the present invention 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 the stop sleeve for installing locating shaft, locating shaft and bearing fit and is arranged in stop sleeve, location
Axle one end is connected with part to be measured, and the locating shaft other end is fixing with quiet school beam to be connected, and beam one end, quiet school is hung with counterweight, and quiet school beam is another
One end is provided with the balancing frame for adjustment.
In above-mentioned a kind of on-site torsion calibration device, bearing uses cube structure, is provided with for pacifying in the middle part of bearing
The hole of dress stop sleeve.
Quiet school beam hangs counterweight by thin steel strip and pallet, and thin steel strip one end is fixed with quiet school beam and is connected, thin steel strip another
End is fixedly connected with the tray, and counterweight overlays on pallet.
Balancing frame initial torque after balancing locating shaft and 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 described arc-shaped structure with the axis of locating shaft is
The center of circle, thin steel strip is fixing with the end of described arc-shaped structure to be connected, and is fitted in the outer rim of described arc-shaped structure.
Quiet school beam is spirally connected with balancing frame.
Being provided with axle sleeve on locating shaft, locating shaft and axle sleeve use matched in clearance, locating shaft to use interference fit with bearing.
Bearing uses 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 the shoulder hole for being embedded in bearing.
The present invention compared with prior art provides the benefit that:
1, the present invention by use double-row bearing as the support of locating shaft, eliminating by counterweight deadweight cause curved
Square also reduces the moment of friction of support section, overcomes the difficult problem that high pulling torque sensor cannot carry out pure torsion loading.
2, the present invention by installing balancing frame in beam one end, quiet school, and in quiet school, the beam other end arranges arc-shaped structure, solves
Quiet school beam tilts the problem causing torque arm length to change.
3, the present invention is by using thin steel strip as counterweight suspender belt, it is ensured that the acting force arm of Weight gravity is in level all the time
On line, decrease the systematic error of device, improve the sensitivity of device.
4, the locating shaft of the present invention and quiet school beam can flexible transmission moment of torsion, simplify the mistake to part torque calibration to be measured
Journey.
5, compact overall structure of the present invention, it is adaptable to various working environments, under complex working condition still can good operation,
There is highly versatile, feature applied widely.
6, the stop sleeve of the present invention, bearing, balancing frame, counterweight, thin steel strip, pallet and axle sleeve, be standard component, it is not necessary to
Special, and be easy to maintenance and change, significantly reduce production cost.
Accompanying drawing explanation
Fig. 1 is front view of the present invention
Fig. 2 is sectional view of the present invention
Fig. 3 is top view of the present invention
Wherein: 1 bearing；2 stop sleevees；3 bearings；4 locating shafts；5 quiet school beams；6 balancing frames；7 counterweights；8 thin steel strip；9 torr
Dish；10 axle sleeves；11 drive end bearing brackets；12 rear end caps；
Detailed description of the invention
For making the solution of the present invention more clear, the present invention is made further by explanation and specific embodiment below in conjunction with the accompanying drawings
Describe:
As Figure 1-3, 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 the stop sleeve 2 for installing locating shaft 4, and locating shaft 4 coordinates with bearing 3
And be arranged in stop sleeve 2, locating shaft 4 one end is connected with part to be measured, and locating shaft 4 other end is fixing with quiet school beam 5 to be connected, quiet
School beam 5 one end is hung with counterweight 7, and quiet school beam 5 other end is provided with the balancing frame 6 for adjustment.
Bearing 1 uses cube structure, is provided with the hole for installing stop sleeve 2 in the middle part of bearing 1.
Quiet school beam 5 hangs counterweight 7 by thin steel strip 8 and pallet 9, and thin steel strip 8 one end is fixing with quiet school beam 5 to be connected, Bao Gang
Carrying 8 other ends to fix with pallet 9 to be connected, counterweight 7 overlays on pallet 9.
The balancing frame 6 initial torque after balancing locating shaft 4 and 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 described arc-shaped structure is with the axle of locating shaft 4
Line is the center of circle, and thin steel strip 8 is fixing with the end of described arc-shaped structure to be connected, and is fitted in the outer rim of described arc-shaped structure
On.
Quiet school beam 5 is spirally connected with balancing frame 6.
Being provided with axle sleeve 10 on locating shaft 4, locating shaft 4 and axle sleeve 10 use matched in clearance, locating shaft 4 to use with bearing 3
Interference fit.
Bearing 3 uses double-row bearing.
Bearing 3 two ends are fixed in stop sleeve 2 by the first end cap 11 and the second end cap 12 respectively.
The inside of the first end cap 11 and the second end cap 12 is equipped with the shoulder hole for being embedded in bearing 3.
The operation principle of the present invention is:
When part to be measured is carried out torque calibration, first regulation bearing 1 and the axiality of 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 be in poised state by adjustment dish 6, then, by one end of thin steel strip 8
It is fixed on the end of quiet school beam 5 arc-shaped structure, the other end of thin steel strip 8 is fixed on pallet 9, finally, by increase and decrease weight
Code 7 regulates the stressing conditions of quiet school beam 5.
Because described quiet school beam 5 arc-shaped structure is with the axis of locating shaft 4 as the center of circle, 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, is circular arc knot
The radius length of structure；Thin steel strip 8 ensure that the acting force arm of counterweight 7 gravity is in level all the time, it is ensured that quiet school beam 5 is in stress
Time, torque arm length is unrelated with arm of force corner, without leveling in certain angle, it is not necessary to arranges remaining levelling gear, simplifies
Structure.
The content not described in detail in description of the invention is known to the skilled person technology.
Claims (10)
1. an on-site torsion calibration device, it is characterised in that: include 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 the stop sleeve (2) for installing locating shaft (4),
Locating shaft (4) coordinates with bearing (3) and is arranged in stop sleeve (2), and locating shaft (4) one end is connected with part to be measured, locating shaft
(4) other end is fixing with quiet school beam (5) is connected, and beam (5) one end, quiet school is hung with counterweight (7), and quiet school beam (5) other end is provided with
Balancing frame (6) for adjustment.
A kind of on-site torsion calibration device the most according to claim 1, it is characterised in that: described bearing (1) employing cube
Body structure, bearing (1) middle part is provided with the hole for installing stop sleeve (2).
A kind of on-site torsion calibration device the most according to claim 1, it is characterised in that: described quiet school beam (5) is by thin
Steel band (8) and pallet (9) hang counterweight (7), and thin steel strip (8) one end is fixing with quiet school beam (5) to be connected, thin steel strip (8) other end
Fixing with pallet (9) and be connected, counterweight (7) overlays on pallet (9).
4. according to a kind of on-site torsion calibration device described in claim 1 or 3, it is characterised in that: described balancing frame (6) is used for
Initial torque after balance locating shaft (4) and quiet school beam (5) connection.
5. according to a kind of on-site torsion calibration device described in claim 1 or 3, it is characterised in that: described quiet school beam (5) is with thin
One end that steel band (8) connects is provided with arc-shaped structure, described arc-shaped structure with the axis of locating shaft (4) as the center of circle, thin steel strip
(8) fixing with the end of described arc-shaped structure it is connected, and is fitted in the outer rim of described arc-shaped structure.
A kind of on-site torsion calibration device the most according to claim 5, it is characterised in that: described quiet school beam (5) and balance
Dish (6) is spirally connected.
A kind of on-site torsion calibration device the most according to claim 5, it is characterised in that: described locating shaft (4) is upper to be installed
Axle sleeve (10), locating shaft (4) and axle sleeve (10) is had to use matched in clearance, locating shaft (4) to use interference fit with bearing (3).
A kind of on-site torsion calibration device the most according to claim 7, it is characterised in that: described bearing (3) uses biserial
Rolling bearing.
A kind of on-site torsion calibration device the most according to claim 8, it is characterised in that: described bearing (3) two ends are respectively
It is fixed in stop sleeve (2) by the first end cap (11) and the second end cap (12).
A kind of on-site torsion calibration device the most according to claim 9, it is characterised in that: described first end cap (11) and
The inside of the second end cap (12) is equipped with the shoulder hole for being embedded in bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798205.8A CN106197843A (en) | 2016-08-31 | 2016-08-31 | A kind of on-site torsion calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798205.8A CN106197843A (en) | 2016-08-31 | 2016-08-31 | A kind of on-site torsion calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106197843A true CN106197843A (en) | 2016-12-07 |
Family
ID=58086022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798205.8A Pending CN106197843A (en) | 2016-08-31 | 2016-08-31 | A kind of on-site torsion calibration device |
Country Status (1)
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| CN (1) | CN106197843A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764470A (en) * | 2017-11-23 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of lever mechanics Standard Machine |
| CN107782518A (en) * | 2017-10-25 | 2018-03-09 | 威凯检测技术有限公司 | A kind of servomotor static rigidity detection means |
| CN110487479A (en) * | 2019-09-23 | 2019-11-22 | 中航电测仪器股份有限公司 | A kind of torque sensor detection device and method |
| CN113447198A (en) * | 2021-07-09 | 2021-09-28 | 深圳市德瑞茵智能科技有限公司 | Thrust calibrating device of push-pull force testing machine |
| CN113532733A (en) * | 2021-08-27 | 2021-10-22 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
| CN113820122A (en) * | 2021-08-20 | 2021-12-21 | 浙江机电职业技术学院 | Hub unit sealing ring torque test bench |
| CN114321188A (en) * | 2021-12-29 | 2022-04-12 | 绍兴市肯特机械电子有限公司 | Low friction torque bearing set and torque standard machine applying same |
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| CN112577666A (en) * | 2020-12-30 | 2021-03-30 | 陕西金飞马测控技术有限公司 | Verification and calibration device and method for torque wrench verification instrument |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782518A (en) * | 2017-10-25 | 2018-03-09 | 威凯检测技术有限公司 | A kind of servomotor static rigidity detection means |
| CN107764470A (en) * | 2017-11-23 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of lever mechanics Standard Machine |
| CN107764470B (en) * | 2017-11-23 | 2024-02-23 | 郑州东辰科技有限公司 | Lever type mechanical standard machine |
| CN110487479A (en) * | 2019-09-23 | 2019-11-22 | 中航电测仪器股份有限公司 | A kind of torque sensor detection device and method |
| CN113447198A (en) * | 2021-07-09 | 2021-09-28 | 深圳市德瑞茵智能科技有限公司 | Thrust calibrating device of push-pull force testing machine |
| CN113820122A (en) * | 2021-08-20 | 2021-12-21 | 浙江机电职业技术学院 | Hub unit sealing ring torque test bench |
| CN113532733A (en) * | 2021-08-27 | 2021-10-22 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
| CN113532733B (en) * | 2021-08-27 | 2023-08-08 | 四川大学 | Thin film type pressure sensor calibration device and calibration method |
| CN114321188A (en) * | 2021-12-29 | 2022-04-12 | 绍兴市肯特机械电子有限公司 | Low friction torque bearing set and torque standard machine applying same |
| CN114321188B (en) * | 2021-12-29 | 2024-05-14 | 绍兴市肯特机械电子有限公司 | Low friction moment bearing group and torque standard machine applying same |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |