CN106989862A - Depression bar strain-type impact force value determines apparatus and system - Google Patents
Depression bar strain-type impact force value determines apparatus and system Download PDFInfo
- Publication number
- CN106989862A CN106989862A CN201710430476.2A CN201710430476A CN106989862A CN 106989862 A CN106989862 A CN 106989862A CN 201710430476 A CN201710430476 A CN 201710430476A CN 106989862 A CN106989862 A CN 106989862A
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- Prior art keywords
- depression bar
- force value
- strain
- impact force
- type impact
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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
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/18—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by resistance strain gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Apparatus and system is determined the invention provides a kind of depression bar strain-type impact force value.Depression bar strain-type impact force value, which determines device, to be included：Base；Measurement portion, is arranged on the top of base, comprising bearing carrier, transmission rod, depression bar and depression bar bearing, bearing carrier carrying impulsive force, and transmission rod is used to transmit impulsive force, and depression bar is produced according to impact force value to be strained and export corresponding strain electric signal accordingly；With fixed part, it is arranged on base, for fixing force transfer bar.Depression bar strain-type impact force value determines the strain electric signal exported in device just can learn the size of surveyed impact force value by signal amplification, signal acquisition, analog-to-digital conversion and host computer analysis.It is rational in infrastructure that the depression bar strain-type impact force value of the present invention determines apparatus and system, can determine impact force value with fast and reliable.
Description
Technical field
Patent of the present invention be related to impact force value determine field, particularly a kind of depression bar strain-type impact force value determine device and
System.
Background technology
With continuing to develop for Mechanical Industry Technology and electronic technology, the application of various kinds of sensors is increasingly popularized.
The various tests of mechanical engineering field, the use to strain gauge transducer is very more, and for the test of impulsive force, blasting operation is broken
Bad power is big, and measurement sensor of the prior art is difficult to directly withstand shocks power and detects impulsive force, and in the market is most
Measurement sensor majority can only carry out static(al) test, but can not realize impact force measurements.And impact force value currently used for measurement
Apparatus exist mostly it is complicated, inconvenient for use, be difficult to control, the problem of measurement result is inaccurate, so as to cause experiment
Difficult situation.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that is provided a kind of depression bar strain-type impact force value and is surveyed
Determine device.
Device is determined the invention provides a kind of depression bar strain-type impact force value, is had the feature that, including：Base；
Measurement portion, is arranged on the top of base, the depression bar being connected comprising transmission rod and with transmission rod, and transmission rod, which is used to transmit, to be impacted
Power, depression bar is produced according to impact force value to be strained and exports corresponding strain electric signal accordingly；And fixed part, it is arranged on base
On, for fixing force transfer bar.
In the depression bar strain-type impact force value that the present invention is provided determines device, it can also have the feature that：Wherein,
Measurement portion also includes bearing carrier and depression bar bearing, and bearing carrier is arranged on the top of transmission rod, for carrying impulsive force, pressure
Rod bearing is arranged on base, the groove inserted with voltage supply bar.
In the depression bar strain-type impact force value that the present invention is provided determines device, it can also have the feature that：Wherein,
Fixed part includes fixed support and ways, and support bracket fastened quantity is four, and four fixed supports constitute cross structure,
The quantity of ways is two, is arranged on the center position of cross structure, and ways is worn in annular shape for transmission rod
Cross.
In the depression bar strain-type impact force value that the present invention is provided determines device, it can also have the feature that：Wherein,
Depression bar has foil gauge, and foil gauge constitutes Wheatstone bridge, Wheatstone bridge output strain electric signal.
In the depression bar strain-type impact force value that the present invention is provided determines device, it can also have the feature that：Wherein,
Strain electric signal is voltage signal.
A kind of depression bar strain-type impact force value measurement system is also provided in the present invention, including：Depression bar strain-type impacts force value
Device is determined, strain electric signal corresponding with impact force value is measured；Signal amplifying apparatus, is determined with depression bar strain-type impact force value
Device is electrically connected with, for amplifying strain electric signal；High frequency harvester, is electrically connected with the signal amplifying apparatus, is used for
Strain electric signal after collection amplification；Analog-digital commutator, is electrically connected with the high frequency harvester, described in collecting
Strain electric signal after amplification carries out analog-to-digital conversion；Host computer, is electrically connected with analog-digital commutator, and analysis obtains impulsive force
Value.Wherein, depression bar strain-type impact force value determines device and determines device for above-mentioned depression bar strain-type impact force value.
The effect of invention and effect
Depression bar strain-type impact force value involved in the present invention determines device, because including base, measurement portion, fixed part,
Wherein measurement portion has bearing carrier, transmission rod, depression bar and depression bar bearing, and depression bar has the favour stone electricity that foil gauge is constituted
Bridge, so, depression bar strain-type impact force value of the invention determines device and can withstood shocks by bearing carrier power, then passes through
Transmission rod transmits impulsive force to depression bar, and then depression bar produces strain, and strain variation is converted into resistance by the foil gauge on depression bar
Change, then pass through the exportable voltage signal of Wheatstone bridge.Further, then by depression bar strain-type force value measurement system is impacted
Signal amplification, signal acquisition, analog-to-digital conversion are carried out, obtains impacting force value finally by host computer analysis.
It is rational in infrastructure that the depression bar strain-type impact force value of the present invention determines apparatus and system, can determine punching with fast and reliable
Hit force value.The problem of force snesor common at present can not directly bear and determine impulsive force is solved, when being that engineering staff saves
Between, improve test job efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of depression bar strain-type impact force value measure device in embodiments of the invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, it is real below
Apply example combination accompanying drawing and device and depression bar strain-type impact force value measurement system are determined to depression bar strain-type of the present invention impact force value
It is specifically addressed.
Fig. 1 is the structural representation of depression bar strain-type impact force value measure device in embodiments of the invention.
As shown in figure 1, depression bar strain-type impact force value determines device 100 and included：Base 10, measurement portion 20 and fixed part
30。
Base 10 is set using cylinder in the present embodiment, but is not limited, and in a practical situation, base 10 can also be adopted
With prism, round platform etc..
Measurement portion 20 is arranged on the top of base 10.Measurement portion 20 comprising bearing carrier 21, transmission rod 22, depression bar 23 and
Depression bar bearing 24.
Bearing carrier 21 is arranged on the top of transmission rod 22, carries impulsive force.During work the impulsive force surveyed will be needed to apply
At 21.
Transmission rod 22 transmits impulsive force.
Depression bar 23 is arranged on the end of transmission rod 22, and strain is produced by impulsive force.Before impact force measurement is carried out, need
Staking-out work is carried out to depression bar 23.Depression bar 22 has foil gauge (not shown), and foil gauge constitutes Wheatstone bridge.Foil gauge
The strain variation of depression bar 22 is converted into resistance variations, then passes through Wheatstone bridge output strain electric signal, i.e. voltage signal.
Depression bar bearing 24 is arranged on base 10, the groove inserted with voltage supply bar 23.
Fixed part 30 is arranged on base 10.Fixed part 30 includes fixed support 31 and ways 32.In this implementation
In example, fixed support 31, ways 32 and base 10 are in a whole installation, can be better using such setting
Fixed conducting component 22, and ensure that whole device will not topple over when bearing impulsive force.
In the present embodiment, fixed support 31 is " F " type, and quantity is four, and four fixed supports 31 constitute cross structure,
But it is not limited, in a practical situation, fixing component 31 can also use other shapes, and quantity is also not necessarily limited to four.
In the present embodiment, ways 32 is annular shape, and quantity is two, sets four fixed supports 31 to constitute respectively
The center position of upper and lower two cross structures, is passed through for transmission rod 22.
A kind of depression bar strain-type impact force value measurement system is also provided in the present embodiment, including：Above-mentioned depression bar strain-type
Impact force value and determine device 100, signal amplifying apparatus, high frequency harvester, analog-digital commutator and host computer.
The Wheatstone bridge that depression bar strain-type impact force value is determined in device 100 is entered by a circuit and signal amplifying apparatus
Row is electrically connected with, and the voltage signal that Wheatstone bridge is exported carries out signal amplification, and the voltage signal of amplification is gathered through high frequency to be filled
Put and analog-to-digital conversion is carried out by analog-digital commutator again after collection, finally reach host computer, based on linear obtained by previous demarcation
Relation, analysis obtains the size of measured impact force value.
The effect of embodiment and effect
Depression bar strain-type impact force value involved by the present embodiment determines device, because including base, measurement portion, fixation
Portion, wherein measurement portion have bearing carrier, transmission rod, depression bar and depression bar bearing, and depression bar has the Hui Si that foil gauge is constituted
Energization bridge, so, the depression bar strain-type of the present embodiment impact force value determines device and can withstood shocks by bearing carrier power, so
Impulsive force is transmitted to depression bar by transmission rod afterwards, and then depression bar produces strain, and the foil gauge on depression bar changes strain variation
Into resistance variations, then pass through the exportable voltage signal of Wheatstone bridge.Further, then force value is impacted by depression bar strain-type to survey
Determine system and carry out signal amplification, signal acquisition, analog-to-digital conversion, obtain impacting force value finally by host computer analysis.
It is rational in infrastructure that the depression bar strain-type impact force value of the present embodiment determines apparatus and system, can be determined with fast and reliable
Impact force value.The problem of force snesor common at present can not directly bear and determine impulsive force is solved, is engineering staff's saving
Time, improve test job efficiency.
Above-mentioned embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (6)
1. a kind of depression bar strain-type impact force value determines device, it is characterised in that including：Base；Measurement portion, is arranged on described
The top of base, the depression bar being connected comprising transmission rod and with the transmission rod, the transmission rod is used to transmit impulsive force, described
Depression bar is produced according to impact force value to be strained and exports corresponding strain electric signal accordingly；And fixed part, it is arranged on the bottom
On seat, for fixing the transmission rod.
2. depression bar strain-type impact force value according to claim 1 determines device, it is characterised in that：
Wherein, the measurement portion also includes bearing carrier and depression bar bearing,
The bearing carrier is arranged on the top of the transmission rod, for carrying the impulsive force,
The depression bar bearing is arranged on the base, with the groove inserted for the depression bar.
3. depression bar strain-type impact force value according to claim 1 determines device, it is characterised in that：
Wherein, the fixed part includes fixed support and ways,
The support bracket fastened quantity is four, and four fixed supports constitute cross structure,
The quantity of the ways is two, is arranged on the center position of the cross structure,
The ways is passed through in annular shape for the transmission rod.
4. depression bar strain-type impact force value according to claim 1 determines device, it is characterised in that：
Wherein, the depression bar has foil gauge, and the foil gauge constitutes Wheatstone bridge,
The Wheatstone bridge exports the strain electric signal.
5. depression bar strain-type impact force value according to claim 4 determines device, it is characterised in that：
Wherein, the strain electric signal is voltage signal.
6. a kind of depression bar strain-type impacts force value measurement system, it is characterised in that including：
Depression bar strain-type impact force value determines device, measures strain electric signal corresponding with impact force value；
Signal amplifying apparatus, determines device with depression bar strain-type impact force value and is electrically connected with, for amplifying the electrostrictive strain
Signal；
High frequency harvester, is electrically connected with the signal amplifying apparatus, for gathering the strain electric signal after amplification；
Analog-digital commutator, is electrically connected with the high frequency harvester, to the strain electric signal after the amplification that collects
Carry out analog-to-digital conversion；
Host computer, is electrically connected with the analog-digital commutator, and analysis obtains the impact force value.
Wherein, it is the depression bar strain-type impact force value described in Claims 1 to 5 that the depression bar strain-type impact force value, which determines device,
Determine device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430476.2A CN106989862B (en) | 2017-06-09 | 2017-06-09 | Compression bar strain-type impact force value measurement device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430476.2A CN106989862B (en) | 2017-06-09 | 2017-06-09 | Compression bar strain-type impact force value measurement device and system |
Publications (2)
| Publication Number | Publication Date |
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| CN106989862A true CN106989862A (en) | 2017-07-28 |
| CN106989862B CN106989862B (en) | 2019-04-30 |
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| CN201710430476.2A Expired - Fee Related CN106989862B (en) | 2017-06-09 | 2017-06-09 | Compression bar strain-type impact force value measurement device and system |
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| CN202453131U (en) * | 2012-02-17 | 2012-09-26 | 涂荣 | Anti-collision base and force measuring device comprising same |
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| CN104215375A (en) * | 2014-08-26 | 2014-12-17 | 武汉船用机械有限责任公司 | Torque monitoring device and climbing pinion |
| CN104458089A (en) * | 2014-11-24 | 2015-03-25 | 杭州电子科技大学 | Impact measuring probe |
| CN104990658A (en) * | 2015-06-19 | 2015-10-21 | 南京航空航天大学 | Sensor assembly aiming at large-deformation flexible body stress measurement |
| CN205079895U (en) * | 2015-11-02 | 2016-03-09 | 西北农林科技大学 | Fruit falls impact force test platform based on push -pull effort meter |
| CN105547868A (en) * | 2015-12-30 | 2016-05-04 | 中北大学 | Drop hammer structural design based on stress concentration principle and test method thereof |
| CN205228688U (en) * | 2015-12-01 | 2016-05-11 | 珠海市精实测控技术有限公司 | High-speed force test probe |
| CN106026560A (en) * | 2016-08-12 | 2016-10-12 | 邵阳学院 | Rotor magnetic shoe installation device |
-
2017
- 2017-06-09 CN CN201710430476.2A patent/CN106989862B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453131U (en) * | 2012-02-17 | 2012-09-26 | 涂荣 | Anti-collision base and force measuring device comprising same |
| CN203758686U (en) * | 2014-04-14 | 2014-08-06 | 晋江市英威特生物技术有限公司 | Impact standard device |
| CN203848966U (en) * | 2014-05-19 | 2014-09-24 | 黄河科技学院 | Impactor impact force detection device |
| CN104215375A (en) * | 2014-08-26 | 2014-12-17 | 武汉船用机械有限责任公司 | Torque monitoring device and climbing pinion |
| CN104458089A (en) * | 2014-11-24 | 2015-03-25 | 杭州电子科技大学 | Impact measuring probe |
| CN104990658A (en) * | 2015-06-19 | 2015-10-21 | 南京航空航天大学 | Sensor assembly aiming at large-deformation flexible body stress measurement |
| CN205079895U (en) * | 2015-11-02 | 2016-03-09 | 西北农林科技大学 | Fruit falls impact force test platform based on push -pull effort meter |
| CN205228688U (en) * | 2015-12-01 | 2016-05-11 | 珠海市精实测控技术有限公司 | High-speed force test probe |
| CN105547868A (en) * | 2015-12-30 | 2016-05-04 | 中北大学 | Drop hammer structural design based on stress concentration principle and test method thereof |
| CN106026560A (en) * | 2016-08-12 | 2016-10-12 | 邵阳学院 | Rotor magnetic shoe installation device |
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| CN106989862B (en) | 2019-04-30 |
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