CN205384108U - Measure axial tension's resistance strain force sensor - Google Patents
Measure axial tension's resistance strain force sensor Download PDFInfo
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- CN205384108U CN205384108U CN201620048278.0U CN201620048278U CN205384108U CN 205384108 U CN205384108 U CN 205384108U CN 201620048278 U CN201620048278 U CN 201620048278U CN 205384108 U CN205384108 U CN 205384108U
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- shielded conductor
- resistance
- foil gauge
- deformeter
- resistance foil
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Abstract
Measure axial tension's resistance strain force sensor relates to a measuring transducer, four resistance strain gauge of outer surface paste of elasticity sensitive mild steel component (2), the resistance of openly vertical resistance strain gauge (3) be R1, positive transverse strain piece (4) resistance for R2, the vertical resistance strain gauge's of reverse side (10) resistance for R3, the horizontal resistance strain gauge's of reverse side (11) the resistance shielded conductor that passes through for four resistance strain gauge of R4 carries out the full -bridge and connects, insert strain gauge formation hui site electric bridge, the front surface central point of elasticity sensitive mild steel component (2) puts, pastes openly vertical resistance strain gauge (3) along the axis direction, paste openly horizontal resistance strain gauge (4) along the vertical centering control axis direction, the utility model discloses force sensor when reinforced concrete member and metal components axial are drawn, resistance strain force sensor that can its axial tension of accurate measurement.
Description
Technical field
This utility model relates to a kind of measurement sensor, particularly relates to a kind of resistance strain gauge drawing force transducer measuring axial tension.
Background technology
Electrical measurement is strain signal to be inputted deformeter exported reading strain by deformeter.The strain signal of component must be turned into the signal of telecommunication and could measure by electrical measuring method.This conversion element is exactly resistance strain gage.It is pasted with the elastic sensitive mild steel element of resistance strain gage when being subject to axial tension effect, produces displacement and deformation, and thus produce stress and strain.Stress and strain is converted to the change of resistance by resistance strain gage, makes the signal of telecommunication that sensor output is corresponding with axial tension, converts electrical signals into corresponding strain value by resistance strain gauge.Determine strain value and axial tension corresponding relation that deformeter shows, it is achieved that measure.And existing pulling force sensor make complicated, data are unstable, response lag.
Summary of the invention
The purpose of this utility model is in that to provide a kind of resistance strain gauge drawing force transducer measuring axial tension, four sheet resistance foil gauges are pasted at elastic sensitive mild steel component outer surface, when reinforced concrete member and hardware axial tension, it is possible to accurately measure the resistance strain gauge drawing force transducer of its axial tension.
The purpose of this utility model is achieved through the following technical solutions:
Measuring the resistance strain gauge drawing force transducer of axial tension, described pulling force sensor includes connector, elastic sensitive mild steel element, front longitudinal electrical resistance foil gauge, front lateral resistance foil gauge, lower connector, the first shielded conductor, secondary shielding wire, the 3rd shielded conductor, the 4th shielded conductor, reverse side longitudinal electrical resistance foil gauge, reverse side lateral resistance foil gauge, the 5th shielded conductor, the 6th shielded conductor, the 7th shielded conductor, the 8th shielded conductor, lower connector bolt hole on underside；The outer surface of elastic sensitive mild steel element pastes four sheet resistance foil gauges, the resistance of front longitudinal electrical resistance foil gauge be R1, front transverse strain sheet resistance be R2, reverse side longitudinal electrical resistance foil gauge resistance be R3, reverse side lateral resistance foil gauge resistance be R4 tetra-sheet resistance foil gauge carry out full-bridge connection by shielded conductor, access deformeter and form wheatstone bridge；The outer surface center, front of elastic sensitive mild steel element, along stickup front, direction, axis longitudinal electrical resistance foil gauge；Front lateral resistance foil gauge is pasted along vertical centering control axis direction；Two lead-out wires of front longitudinal electrical resistance foil gauge are welded to connect with one end of the first shielded conductor, secondary shielding wire respectively, the first shielded conductor, secondary shielding wire other end bridge corresponding to deformeter be connected；Two lead-out wires of front lateral resistance foil gauge are welded to connect with one end of the 3rd shielded conductor, the 4th shielded conductor respectively, the 3rd shielded conductor, the 4th shielded conductor other end bridge corresponding to deformeter be connected.
The resistance strain gauge drawing force transducer of described measurement axial tension, the opposite exterior surface center of described elastic sensitive mild steel element, pastes reverse side longitudinal electrical resistance foil gauge along direction, axis；Reverse side lateral resistance foil gauge is pasted along vertical centering control axis direction；Two lead-out wires of reverse side longitudinal electrical resistance foil gauge are welded to connect with one end of the 5th shielded conductor, the 6th shielded conductor respectively, the 5th shielded conductor, the 6th shielded conductor other end bridge corresponding to deformeter be connected；Two lead-out wires of reverse side lateral resistance foil gauge are welded to connect with one end of the 7th shielded conductor, the 8th shielded conductor respectively, the 7th shielded conductor, the 8th shielded conductor other end bridge corresponding to deformeter be connected.
The resistance strain gauge drawing force transducer of described measurement axial tension, the paster place of described elastic sensitive mild steel element and junction are smeared the epoxide-resin glue of 2mm thickness and are fixed；Upper connector is threadeded with the entablature of universal testing machine, and the lower bolt hole on underside of connector is threadeded with the upper grip of universal testing machine；Resistance strain gauge drawing force transducer is fixed between the entablature of universal testing machine and upper grip.
The resistance strain gauge drawing force transducer of described measurement axial tension, described first shielded conductor, the 8th shielded conductor are connected on the A binding post of the corresponding bridge of deformeter, secondary shielding wire, the 3rd shielded conductor are connected on the B binding post of the corresponding bridge of deformeter, 4th shielded conductor, the 5th shielded conductor are connected on the C binding post of the corresponding bridge of deformeter, and the 6th shielded conductor, the 7th shielded conductor are connected on the D binding post of the corresponding bridge of deformeter.
Advantage of the present utility model and effect be:
1. the pulling force sensor that this utility model makes according to principles of electrical measurement, is arranged on this sensor between the entablature of universal testing machine and upper grip during measurement to realize the output of pulling force signal.Have and make simple, data stabilization, the rapid advantage of response.
2. this utility model is measured the resistance strain gauge drawing force transducer of axial tension and is had high sensitivity, high measurement accuracy and reliability and the characteristic such as capacity of resisting disturbance is strong, can be applicable to the axial tension in many fields such as reinforced concrete member and hardware and measures.
Accompanying drawing explanation
Fig. 1 wheatstone bridge schematic diagram；
Fig. 2 sensor front paster and wiring schematic diagram；
Fig. 3 sensor reverse side paster and wiring schematic diagram；
Articulated object elevational schematic view under Fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, this utility model is described in detail.
This utility model includes with lower part: front longitudinal electrical resistance foil gauge 3, front lateral resistance foil gauge 4, reverse side longitudinal electrical resistance foil gauge 10, reverse side lateral resistance foil gauge 11, upper connector 1, elastic sensitive mild steel element 2, lower connector the 5, first shielded conductor 6, secondary shielding wire the 7, the 3rd shielded conductor the 8, the 4th shielded conductor the 9, the 5th shielded conductor the 12, the 6th shielded conductor the 13, the 7th shielded conductor the 14, the 8th shielded conductor 15, lower connector bolt hole on underside 16.
Resistance strain gauge drawing force transducer component (Fig. 2 of this measurement axial tension, Fig. 3) main by front longitudinal electrical resistance foil gauge 3, front lateral resistance foil gauge 4, reverse side longitudinal electrical resistance foil gauge 10, reverse side lateral resistance foil gauge 11, upper connector 1, elastic sensitive mild steel element 2, lower connector 5, first shielded conductor 6, secondary shielding wire 7, 3rd shielded conductor 8, 4th shielded conductor 9, 5th shielded conductor 12, 6th shielded conductor 13, 7th shielded conductor 14, 8th shielded conductor 15 forms.Outer surface at elastic sensitive mild steel element 2 pastes four sheet resistance foil gauges, the longitudinal strain that wherein front longitudinal electrical resistance foil gauge 3, reverse side longitudinal electrical resistance foil gauge 10 produce when measuring axial tension, the transverse strain that front lateral resistance foil gauge 4, reverse side lateral resistance foil gauge 11 produce when measuring axial tension.The resistance of front longitudinal electrical resistance foil gauge 3 be R1, front transverse strain sheet 4 resistance be R2, reverse side longitudinal electrical resistance foil gauge 10 resistance be R3, reverse side lateral resistance foil gauge 11 resistance be R4.Four sheet resistance foil gauges carry out full-bridge connection by shielded conductor, access deformeter and form wheatstone bridge (Fig. 1).
As in figure 2 it is shown, in the outer surface center, front of elastic sensitive mild steel element 2 along stickup front, direction, axis longitudinal electrical resistance foil gauge 3, for the longitudinal strain in measuring cell front；Front lateral resistance foil gauge 4, transverse strain for measuring cell front is pasted along vertical centering control axis direction.Two lead-out wires of front longitudinal electrical resistance foil gauge 3 are welded to connect with one end of the first shielded conductor 6, secondary shielding wire 7 respectively, the first shielded conductor 6, secondary shielding wire 7 other end bridge corresponding to deformeter be connected.Two lead-out wires of front lateral resistance foil gauge 4 are welded to connect with one end of the 3rd shielded conductor the 8, the 4th shielded conductor 9 respectively, and the other end bridge corresponding to deformeter of the 3rd shielded conductor the 8, the 4th shielded conductor 9 is connected.
As it is shown on figure 3, paste reverse side longitudinal electrical resistance foil gauge 10 in the opposite exterior surface center of elastic sensitive mild steel element 2 along direction, axis, for the longitudinal strain of measuring cell reverse side；Reverse side lateral resistance foil gauge 11, transverse strain for measuring cell reverse side is pasted along vertical centering control axis direction.Two lead-out wires of reverse side longitudinal electrical resistance foil gauge 10 are welded to connect with one end of the 5th shielded conductor the 12, the 6th shielded conductor 13 respectively, and the other end bridge corresponding to deformeter of the 5th shielded conductor the 12, the 6th shielded conductor 13 is connected.Two lead-out wires of reverse side lateral resistance foil gauge 11 are welded to connect with one end of the 7th shielded conductor the 14, the 8th shielded conductor 15 respectively, and the other end bridge corresponding to deformeter of the 7th shielded conductor the 14, the 8th shielded conductor 15 is connected.
The epoxide-resin glue smearing 2mm thickness at all paster places of elastic sensitive mild steel element 2 and junction is fixed, insulate and protects.
In employing, connector carries out threadeding (Fig. 2) with the entablature of universal testing machine, adopts the bolt hole on underside 16 of lower connector 5 to carry out threadeding (Fig. 4) with the upper grip of universal testing machine.In this way, resistance strain gauge drawing force transducer is just fixed between the entablature of universal testing machine and upper grip.
When supporting the use to deformeter, the first shielded conductor the 6, the 8th shielded conductor 15 is connected on the A binding post of the corresponding bridge of deformeter, secondary shielding wire the 7, the 3rd shielded conductor 8 is connected on the B binding post of the corresponding bridge of deformeter, 4th shielded conductor the 9, the 5th shielded conductor 12 is connected on the C binding post of the corresponding bridge of deformeter, and the 6th shielded conductor the 13, the 7th shielded conductor 14 is connected on the D binding post of the corresponding bridge of deformeter.Material is thus formed wheatstone bridge as shown in figure, be used for measuring the strain value that loaded axial tension is corresponding.
Before using, it is arranged between the entablature of universal testing machine and upper grip by upper connector 1 and 5 sensors of lower connector.First shielded conductor the 6, the 8th shielded conductor 15 is connected on the A binding post of the corresponding bridge of deformeter, secondary shielding wire the 7, the 3rd shielded conductor 8 is connected on the B binding post of the corresponding bridge of deformeter, 4th shielded conductor the 9, the 5th shielded conductor 12 is connected on the C binding post of the corresponding bridge of deformeter, 6th shielded conductor the 13, the 7th shielded conductor 14 is connected on the D binding post of the corresponding bridge of deformeter, forms wheatstone bridge as shown in Figure 1.Use universal testing machine to load axial tension, the signal of telecommunication deformeter of sensor output is carried out the demarcation of force value simultaneously.The calibration range of force value can only carry out in the elastic interval of elastic sensitive mild steel element.After force value has been demarcated, sensor just can be used for actual measurement.
When measuring use, first sensor is arranged on universal testing machine, again wire is accessed the corresponding bridge of deformeter or dynamic collect system, while universal testing machine loading axial tension, deformeter or dynamic collect system gather the signal of telecommunication of sensor output and so as to change into strain value, by calibration value before, strain value is then converted into the force value of correspondence, completes the measurement to axial tension.
Claims (4)
1. measure the resistance strain gauge drawing force transducer of axial tension, it is characterized in that, described pulling force sensor includes connector (1), elastic sensitive mild steel element (2), front longitudinal electrical resistance foil gauge (3), front lateral resistance foil gauge (4), lower connector (5), first shielded conductor (6), secondary shielding wire (7), 3rd shielded conductor (8), 4th shielded conductor (9), reverse side longitudinal electrical resistance foil gauge (10), reverse side lateral resistance foil gauge (11), 5th shielded conductor (12), 6th shielded conductor (13), 7th shielded conductor (14), 8th shielded conductor (15), lower connector bolt hole on underside (16)；The outer surface of elastic sensitive mild steel element (2) pastes four sheet resistance foil gauges, the resistance in front longitudinal electrical resistance foil gauge (3) be R1, front transverse strain sheet (4) resistance be R2, reverse side longitudinal electrical resistance foil gauge (10) resistance be R3, reverse side lateral resistance foil gauge (11) resistance be R4 tetra-sheet resistance foil gauge carry out full-bridge connection by shielded conductor, access deformeter and form wheatstone bridge；The outer surface center, front of elastic sensitive mild steel element (2), along stickup front, direction, axis longitudinal electrical resistance foil gauge (3)；Front lateral resistance foil gauge (4) is pasted along vertical centering control axis direction；Two lead-out wires in front longitudinal electrical resistance foil gauge (3) are welded to connect with one end of the first shielded conductor (6), secondary shielding wire (7) respectively, the first shielded conductor (6), secondary shielding wire (7) other end bridge corresponding to deformeter be connected；Two lead-out wires in front lateral resistance foil gauge (4) are welded to connect with one end of the 3rd shielded conductor (8), the 4th shielded conductor (9) respectively, the 3rd shielded conductor (8), the 4th shielded conductor (9) other end bridge corresponding to deformeter be connected.
2. the resistance strain gauge drawing force transducer of measurement axial tension according to claim 1, it is characterised in that the opposite exterior surface center of described elastic sensitive mild steel element (2), paste reverse side longitudinal electrical resistance foil gauge (10) along direction, axis；Reverse side lateral resistance foil gauge (11) is pasted along vertical centering control axis direction；Two lead-out wires of reverse side longitudinal electrical resistance foil gauge (10) are welded to connect with one end of the 5th shielded conductor (12), the 6th shielded conductor (13) respectively, the 5th shielded conductor (12), the 6th shielded conductor (13) other end bridge corresponding to deformeter be connected；Two lead-out wires of reverse side lateral resistance foil gauge (11) are welded to connect with one end of the 7th shielded conductor (14), the 8th shielded conductor (15) respectively, the 7th shielded conductor (14), the 8th shielded conductor (15) other end bridge corresponding to deformeter be connected.
3. the resistance strain gauge drawing force transducer of measurement axial tension according to claim 1, it is characterised in that the paster place of described elastic sensitive mild steel element (2) and junction are smeared the epoxide-resin glue of 2mm thickness and fixed；Upper connector is threadeded with the entablature of universal testing machine, and the bolt hole on underside (16) of lower connector (5) is threadeded with the upper grip of universal testing machine；Resistance strain gauge drawing force transducer is fixed between the entablature of universal testing machine and upper grip.
4. the resistance strain gauge drawing force transducer of measurement axial tension according to claim 1, it is characterized in that, described first shielded conductor (6), 8th shielded conductor (15) is connected on the A binding post of the corresponding bridge of deformeter, secondary shielding wire (7), 3rd shielded conductor (8) is connected on the B binding post of the corresponding bridge of deformeter, 4th shielded conductor (9), 5th shielded conductor (12) is connected on the C binding post of the corresponding bridge of deformeter, 6th shielded conductor (13), 7th shielded conductor (14) is connected on the D binding post of the corresponding bridge of deformeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048278.0U CN205384108U (en) | 2016-01-19 | 2016-01-19 | Measure axial tension's resistance strain force sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620048278.0U CN205384108U (en) | 2016-01-19 | 2016-01-19 | Measure axial tension's resistance strain force sensor |
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| CN205384108U true CN205384108U (en) | 2016-07-13 |
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| CN201620048278.0U Expired - Fee Related CN205384108U (en) | 2016-01-19 | 2016-01-19 | Measure axial tension's resistance strain force sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115604A (en) * | 2018-07-26 | 2019-01-01 | 辽宁工业大学 | Resistance-strain type universal testing machine pressure eccentricity detecting device |
| CN109444468A (en) * | 2018-11-27 | 2019-03-08 | 中国地质大学（武汉） | A kind of six-dimension acceleration sensor based on micro-displacement parallel institution |
| CN112556891A (en) * | 2020-11-20 | 2021-03-26 | 中国水利水电科学研究院 | Concrete whole life period internal stress state monitoring device based on film type sensor |
| CN113218680A (en) * | 2021-05-17 | 2021-08-06 | 中国第一汽车股份有限公司 | Method for testing working load of shock absorber fork of suspension system of passenger vehicle |
-
2016
- 2016-01-19 CN CN201620048278.0U patent/CN205384108U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115604A (en) * | 2018-07-26 | 2019-01-01 | 辽宁工业大学 | Resistance-strain type universal testing machine pressure eccentricity detecting device |
| CN109444468A (en) * | 2018-11-27 | 2019-03-08 | 中国地质大学（武汉） | A kind of six-dimension acceleration sensor based on micro-displacement parallel institution |
| CN112556891A (en) * | 2020-11-20 | 2021-03-26 | 中国水利水电科学研究院 | Concrete whole life period internal stress state monitoring device based on film type sensor |
| CN112556891B (en) * | 2020-11-20 | 2021-08-17 | 中国水利水电科学研究院 | Concrete whole life period internal stress state monitoring device based on film type sensor |
| CN113218680A (en) * | 2021-05-17 | 2021-08-06 | 中国第一汽车股份有限公司 | Method for testing working load of shock absorber fork of suspension system of passenger vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20170119 |