CN105300594A - Calibration device and calibration method of tension sensor - Google Patents

Calibration device and calibration method of tension sensor Download PDF

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Publication number
CN105300594A
CN105300594A CN201510771217.7A CN201510771217A CN105300594A CN 105300594 A CN105300594 A CN 105300594A CN 201510771217 A CN201510771217 A CN 201510771217A CN 105300594 A CN105300594 A CN 105300594A
Authority
CN
China
Prior art keywords
pulling force
rod
force sensor
balance stem
adjuster bar
Prior art date
Application number
CN201510771217.7A
Other languages
Chinese (zh)
Inventor
雷晓晶
吴晓锋
吴亚凤
谢国印
刘智武
王鹏飞
赵海艳
韩枫
Original Assignee
西安航空动力股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 西安航空动力股份有限公司 filed Critical 西安航空动力股份有限公司
Priority to CN201510771217.7A priority Critical patent/CN105300594A/en
Publication of CN105300594A publication Critical patent/CN105300594A/en

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Abstract

The invention provides a calibration device and a calibration method of a tension sensor. A lever mechanism is arranged between a tension senor to be calibrated and a fixed bench below the tension sensor. The lever mechanism comprises an upper pull rod, a lower pull rod, a connection rod, a balancing rod, an adjusting rod and a counterweight. The tension sensor is hanged, the balancing rod is hanged below the tension sensor through the upper pull rod, one end, close to the upper pull rod, of the balancing rod is connected with one end of the adjusting rod arranged below the balancing rod, the middle part of the adjusting rod is connected with the fixed bench through the lower pull rod, and the other end of the adjusting rod is provided with a leveling bolt arranged vertically; and the balancing rod utilizes a lever principle to amplify the force of the counterweight, and the tension sensor connected to the other end of the balancing rod is calibrated. The calibration device is stable and reliable, and by adjusting the position of the counterweight, the calibration of large-range internal loads can be carried out.

Description

A kind of calibrating installation of pulling force sensor and calibration steps

[technical field]

The invention belongs to mechanical meaurement technical field, relate to a kind of calibrating installation and calibration steps of pulling force sensor.

[background technology]

At present, material tensile test is the important tests method of the basic mechanical property of test material, forming property.The whether accurate accuracy being directly connected to test findings of force snesor in test.

Owing to being subject to temperature, and the impact of situation on probation, the pulling force sensor of testing machine should regularly be checked.With the accuracy of demonstration test data.

The check method of main measurement unit is the gauged sensor of application at present, and the sensor series with test, corrects sensor indicating value to be tested according to the indicating value of gauged sensor.More for convenience, but the numerical value that precondition is gauged sensor must accurately for this method, and as because service condition, operating mode etc. change and make its indicating value have error, directly affect check result.

Other class methods utilize the counterweight of indicated weight to check, because counterweight is fixed weight, these class methods are very reliable, convenient.But problem is due to counterweight limited mass, can only check the force snesor of internal force more among a small circle, then helpless for force snesor more energetically.

[summary of the invention]

The object of the invention is to overcome prior art defect, provides a kind of easy to use, the calibrating installation of easy-to-install pulling force sensor and calibration steps, the problem that the pulling force sensor solving power cannot be checked.

For achieving the above object, technical scheme of the present invention is as follows:

A kind of calibrating installation of pulling force sensor, comprise the leverage arranged between pulling force sensor to be calibrated and the fixed station below pulling force sensor, leverage comprises upper connecting rod, lower link, connecting rod, balance stem, adjuster bar and counterweight, pulling force sensor hangs up, balance stem is suspended on below pulling force sensor by upper connecting rod, balance stem is connected with the adjuster bar one end be positioned at below balance stem by connecting rod near one end of upper connecting rod, be connected with fixed station by lower link in the middle part of adjuster bar, the adjuster bar other end be provided with the vertical leveling bolt arranged; Upper connecting rod and lower link and horizontal line conllinear, upper connecting rod and between pulling force sensor and balance stem, connecting rod and between balance stem and adjuster bar, lower link and all pass through pin hinges between adjuster bar and fixed station; Balance stem is provided with surveyor's staff, and counterweight is suspended on balance stem, can on balance stem shift position.

Preferably, described counterweight is suspended on balance stem by movable block.

Preferably, described counterweight quantity can size and number can increase and decrease.

Preferably, described pin is dismountable removable pin.

Preferably, described pulling force sensor is suspended on below pressing machine portable beam.

Preferably, adjuster bar and fixed station are fixed through adjuster bar by described leveling bolt, and fixed station is horizontal.

A kind of pulling force sensor calibration steps, comprises the following steps:

(1). by upper connecting rod, lower link is connected on pulling force sensor and fixed station;

(2). by connecting rod, balance stem, adjuster bar is arranged on upper connecting rod and lower link;

(3). observe the reading of pulling force sensor, and contrast with the pulling force that calculating gained produces because of equipment self-weight;

(4). increase counterweight, regulate leveling bolt, eye-level chi, after determining balance stem level, according to agate method weight and movable block in the position of balance stem, calculate the pulling force of upper connecting rod, contrast with the reading on pulling force sensor, correct.

The calibrating installation of pulling force sensor of the present invention, a leverage is provided with between pulling force sensor to be calibrated and the fixed station below pulling force sensor, lever principle is utilized by balance stem, the power of counterweight is amplified, the pulling force sensor being connected to the balance stem other end is checked, this capacity checking device is reliable and stable, by regulating counterweight position and can carrying out the check of internal load on a large scale.

Further, counterweight weight and quantity can increase and decrease, and weight load are amplified, can check power in larger scope, mechanical hook-up, reliable and stable, and simple installation is easy to use.

Further, connected, conveniently install fractionation between each parts by removable pin, it is more convenient to portably use.

[accompanying drawing explanation]

Fig. 1 pulling force sensor calibrating installation

In figure: 1. pressing machine portable beam; 2. fixed station; 3. upper connecting rod; 4. lower link; 5. connecting rod; 6. balance stem; 7. adjuster bar; 8. movable block; 9. counterweight; 10. removable pin; 11. surveyor's staffs; 12. leveling bolts; 13. pulling force sensors.

[embodiment]

Below in conjunction with drawings and Examples, the present invention is further illustrated.

As shown in Figure 1, a leverage is provided with between pulling force sensor 13 to be calibrated and the fixed station 2 below pulling force sensor 13, leverage comprises upper connecting rod 3, lower link 4, connecting rod 5, balance stem 6, adjuster bar 7 and counterweight 9, pulling force sensor 13 hangs up, balance stem 6 is suspended on below pulling force sensor 13 by upper connecting rod 3, balance stem 6 is connected with adjuster bar 7 one end be positioned at below balance stem 6 by connecting rod 5 near one end of upper connecting rod 3, be connected with fixed station 2 by lower link 4 in the middle part of adjuster bar 7, adjuster bar 7 other end is provided with the vertical leveling bolt 12 arranged,

Upper connecting rod 3 and lower link 4 with horizontal line and conllinear, upper connecting rod 3 and between pulling force sensor 13 and balance stem 6, connecting rod 5 and between balance stem 6 and adjuster bar 7, lower link 4 and all pass through pin hinges between adjuster bar 7 and fixed station 2;

Balance stem 6 is provided with surveyor's staff 11, counterweight 9 is suspended on balance stem 6, can on balance stem 6 shift position.Counterweight 9 is suspended on balance stem 6 by movable block 8.

During use, regulate leveling bolt 12, surveyor's staff 11 is made to be positioned at horizontal level, then according to the weight of counterweight 9, and the position of movable block 8 on balance stem 6, utilize lever principle to calculate and act on upper connecting rod 3 and the load on lower link 4, contrast this load and puller system pulling force sensor reading, check the reading of pulling force sensor.Change the position of counterweight 9 weight or movable block 8, acquire different loads, in order to check pulling force sensor.

Further, described pulling force sensor 13 is suspended on below pressing machine portable beam 1; Adjuster bar 7 and fixed station 2 are fixed through adjuster bar 7 by described leveling bolt 12, and fixed station 2 is horizontal.

Further, described counterweight quantity can size and number can increase and decrease; Described pin is dismountable removable pin 10.

A leverage is added between pressing machine portable beam 1 and fixed station 2, the power of counterweight is applied on pulling force sensor by balance stem, and amplify corresponding multiple according to lever principle, change the position of counterweight on lever, also enlargement factor can be changed, the pull sensor of the internal load being on a large scale arranged on the balance stem other end can be calibrated, use orientation wider, practical.

The bearing calibration of pull sensing implement body is as follows:

1. remove the chuck on tension tester, upper lower link is loaded linked set;

2., by connecting rod, balance stem etc. are contained on testing machine by figure;

3. the reading of viewing test machine upper pulling force sensor, and contrast with the pulling force that calculating gained produces because of equipment self-weight;

4. increase counterweight, regulate leveling bolt, eye-level chi, after determining balance stem level, according to agate method weight and movable block in the position of balance stem, calculate the pulling force of upper connecting rod, contrast with the reading on pulling force sensor, correct;

5. regulate movable block in the position of balance stem, determine more draw-bar pull, and contrast with the reading of testing machine upper pulling force sensor, correct.

Claims (7)

1. the calibrating installation of a pulling force sensor, it is characterized in that: comprise pulling force sensor (13) to be calibrated and be positioned at the leverage arranged between the fixed station (2) of pulling force sensor (13) below, leverage comprises upper connecting rod (3), lower link (4), connecting rod (5), balance stem (6), adjuster bar (7) and counterweight (9), pulling force sensor (13) hangs up, balance stem (6) is suspended on pulling force sensor (13) below by upper connecting rod (3), balance stem (6) is connected with adjuster bar (7) one end being positioned at balance stem (6) below by connecting rod (5) near one end of upper connecting rod (3), adjuster bar (7) middle part is connected with fixed station (2) by lower link (4), adjuster bar (7) other end is provided with the vertical leveling bolt (12) arranged,
Upper connecting rod (3) and lower link (4) horizontal line conllinear, upper connecting rod (3) and between pulling force sensor (13) and balance stem (6), connecting rod (5) and between balance stem (6) and adjuster bar (7), lower link (4) and all pass through pin hinges between adjuster bar (7) and fixed station (2);
Balance stem (6) is provided with surveyor's staff (11), counterweight (9) is suspended on balance stem (6), can in the upper shift position of balance stem (6).
2. the calibrating installation of pulling force sensor according to claim 1, is characterized in that: described counterweight (9) is suspended on balance stem (6) by movable block (8).
3. the calibrating installation of pulling force sensor according to claim 1, is characterized in that: described counterweight size and number can increase and decrease.
4. the calibrating installation of pulling force sensor according to claim 1, is characterized in that: described pin is dismountable removable pin (10).
5. the calibrating installation of the pulling force sensor according to any one of claim 1-4, is characterized in that: described pulling force sensor (13) is suspended on pressing machine portable beam (1) below.
6. the calibrating installation of the pulling force sensor according to claim 1-4, it is characterized in that: adjuster bar (7) and fixed station (2) are fixed through adjuster bar (7) by described leveling bolt (12), and fixed station (2) is horizontal.
7. use a pulling force sensor calibration steps for claim 1 calibrating installation, it is characterized in that comprising the following steps:
(1). by upper connecting rod (3), lower link (4) is connected on pulling force sensor (13) and fixed station (2);
(2). by connecting rod (5), balance stem (6), adjuster bar (7) is arranged on upper connecting rod (3) and lower link (4);
(3). observe the reading of pulling force sensor (13), and contrast with the pulling force that calculating gained produces because of equipment self-weight;
(4). increase counterweight (9), regulate leveling bolt (12), eye-level chi, after determining balance stem (6) level, according to agate method weight and movable block in the position of balance stem, calculate the pulling force of upper connecting rod (3), contrast with the reading on pulling force sensor, correct.
CN201510771217.7A 2015-11-12 2015-11-12 Calibration device and calibration method of tension sensor CN105300594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106053205A (en) * 2016-05-17 2016-10-26 南京林业大学 Self-balance lever-type loading device and using method thereof
CN106644259A (en) * 2016-12-26 2017-05-10 哈尔滨工业大学 Posture influenced compensation method for cantilever beam type sensor
CN107860506A (en) * 2017-10-27 2018-03-30 昆山市计量检测中心 A kind of spoke tension force measuring device
CN109489897A (en) * 2018-12-03 2019-03-19 江西洪都航空工业集团有限责任公司 Small force value dynamometer level pulls to power metering device
CN109696274A (en) * 2019-01-21 2019-04-30 南京航空航天大学 A kind of tension sensor static demarcating device and method under weightlessness
CN111198146A (en) * 2020-03-16 2020-05-26 方腾飞 RCA paper tape rubbing machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009135606A1 (en) * 2008-05-05 2009-11-12 Horiba Europe Gmbh Calibration device and calibration method for a test bench
CN101782449A (en) * 2010-02-08 2010-07-21 东南大学 Calibration table of micro pressure sensor
CN101865750A (en) * 2010-06-22 2010-10-20 胡卓林 Portable calibrating device for pull pressure sensor
CN102426077A (en) * 2011-08-19 2012-04-25 中国商用飞机有限责任公司 Auxiliary calibration device of push-pull gauge
CN204202812U (en) * 2014-11-18 2015-03-11 南京航空航天大学 The caliberating device of simple and easy force cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009135606A1 (en) * 2008-05-05 2009-11-12 Horiba Europe Gmbh Calibration device and calibration method for a test bench
CN101782449A (en) * 2010-02-08 2010-07-21 东南大学 Calibration table of micro pressure sensor
CN101865750A (en) * 2010-06-22 2010-10-20 胡卓林 Portable calibrating device for pull pressure sensor
CN102426077A (en) * 2011-08-19 2012-04-25 中国商用飞机有限责任公司 Auxiliary calibration device of push-pull gauge
CN204202812U (en) * 2014-11-18 2015-03-11 南京航空航天大学 The caliberating device of simple and easy force cell

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106053205A (en) * 2016-05-17 2016-10-26 南京林业大学 Self-balance lever-type loading device and using method thereof
CN106053205B (en) * 2016-05-17 2018-06-19 南京林业大学 A kind of self-balancing lever loading device and its application method
CN106644259A (en) * 2016-12-26 2017-05-10 哈尔滨工业大学 Posture influenced compensation method for cantilever beam type sensor
CN107860506A (en) * 2017-10-27 2018-03-30 昆山市计量检测中心 A kind of spoke tension force measuring device
CN109489897A (en) * 2018-12-03 2019-03-19 江西洪都航空工业集团有限责任公司 Small force value dynamometer level pulls to power metering device
CN109696274A (en) * 2019-01-21 2019-04-30 南京航空航天大学 A kind of tension sensor static demarcating device and method under weightlessness
CN109696274B (en) * 2019-01-21 2019-12-03 南京航空航天大学 A kind of tension sensor static demarcating device and method under weightlessness
CN111198146A (en) * 2020-03-16 2020-05-26 方腾飞 RCA paper tape rubbing machine
CN111198146B (en) * 2020-03-16 2020-12-15 方腾飞 RCA paper tape rubbing machine

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Application publication date: 20160203