CN102393265B - Resistance strain force sensor - Google Patents
Resistance strain force sensor Download PDFInfo
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- CN102393265B CN102393265B CN201110350440.6A CN201110350440A CN102393265B CN 102393265 B CN102393265 B CN 102393265B CN 201110350440 A CN201110350440 A CN 201110350440A CN 102393265 B CN102393265 B CN 102393265B
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- resistance strain
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Abstract
The invention belongs to the automatic test and control technology field, especially relating to a resistance strain force sensor. A technical scheme is as follows: the resistance strain force sensor comprises a bearer (8) with a cantilever beam (1), an upper support (2) and a fixing screw (12) of the upper support, a resistance strain sheet (3), two supports (5), a buckle (6) and two fixing bolts (9). According to the resistance strain force sensor, a connecting piece is not needed, the resistance strain force sensor is easy to fix, operation is simple, a rigid rope, an elastic band, a rope and the like in a stretching force state can be subjected to nondestructive measurement, force is uniform and can be effectively transmitted, and the elastic band, the rope and the like in stretching force are not easy to wear. Resultant force of rope pulling force is acted on the cantilever beam (1) to generate strain, the resistance strain sheet (3) also generates deformation and resistance change simultaneously, through a corresponding measuring circuit, resistance change is converted into an electrical signal, thus a process that pulling force is converted into measuring electric signal output is completed.
Description
Technical field
The invention belongs to automatic test and control technology field, particularly a kind of pulling force sensor.
Background technology
In weightlessness of space environment, long-term flight can make spacefarer produce the physiological effects of weightlessness such as bone loss, lower limb muscles atrophy, must take to wear penguin suit, a series of antagonism safeguard procedures such as treadmill exercise, this just need to adopt pulling force sensor elastic webbing, longitudinal force loading load etc. to be carried out to the analysis to measure of power.Owing to being subject to the requirement restriction of weightless particular surroundings and space and load, pulling force sensor used must possess the features such as volume is little, quality is light, easy to operate, precision is high, good stability.
Summary of the invention
The object of the invention is: a kind of pulling force sensor that meets manned space flight special requirement is provided.
Technical scheme of the present invention is: a kind of tension transducer with resistance strain pieces, is characterized in that: it comprises: with the bearing of semi-girder, and upper bracket and gib screw thereof, resistance strain gage, 2 supports, buckle and 2 set bolts thereof;
Described bearing is provided with the jack that inserts described support in described semi-girder both sides;
Described upper bracket top is smooth curved surfaces, is arranged on described semi-girder top by described gib screw;
Described resistance strain gage is arranged on the surface of described semi-girder near described bearing one side;
The parallel described semi-girder both sides that are positioned at of described 2 supports;
Described buckle is connected to described 2 support one end by described 2 set bolts;
Described resistance strain gage top is provided with over cap, and described buckle middle part is provided with the stopper slot that the described semi-girder of restriction does not exceed deformation range, and one of described 2 supports are provided with turning axle in connection described buckle one end, and described buckle can be rotated around described turning axle.
The present invention, without web member, by buckle, is easy to fix, easy and simple to handle, can nondestructive measurement be the rigidity rope, elastic webbing, rope of stretching stress etc., upper bracket is stressed evenly, can effectively transmit stressedly, two side stands are column, are difficult for wear tension stressed elastic webbing, rope etc.The support of semi-girder and both sides makes the rope stretching of tested pulling force that warpage occur, the force action of flex portion rope pull is in semi-girder, make it produce strain, resistance strain gage is also in company with producing distortion and change in resistance, through corresponding metering circuit, resistance variations is converted to electric signal again, changes pulling force into can measure electric signal output process thereby completed.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the each block diagram of the present invention;
Accompanying drawing 3 is vertical view of the present invention;
Accompanying drawing 4 is the tiltedly 45 ° of views in below of the present invention;
Accompanying drawing 5 is buckle rotation schematic diagram in the embodiment of the present invention 2.
Embodiment
Embodiment 1: referring to each accompanying drawing, a kind of tension transducer with resistance strain pieces, it comprises: with the bearing 8 of semi-girder 1, upper bracket 2 and gib screw 12 thereof, 3,2 supports 5 of resistance strain gage, 6 and 2 set bolts 9 of buckle;
Described bearing 8 is provided with the jack 10 that inserts described support 5 in described semi-girder 1 both sides;
Described upper bracket 2 tops are smooth curved surfaces, are arranged on described semi-girder 1 top by described gib screw 12;
Described resistance strain gage 3 is arranged on the surface of described semi-girder 1 near described bearing 8 one sides;
Parallel described semi-girder 1 both sides that are positioned at of described 2 supports 5;
Described buckle 6 is connected to described 2 support 5 one end by described 2 set bolts 9.
Taking elastic webbing as example, described buckle 6 is opened, elastic webbing is inserted to sensor from side, elastic webbing middle part is by upper bracket 2 jack-up, and both sides are blocked by described 2 supports 5, after being fixed, close described buckle 6 by 3 support actings in conjunction, just can carry out tensile test;
Described resistance strain gage 3 tops are provided with over cap 4; described buckle 6 middle parts are provided with the stopper slot 7 that the described semi-girder 1 of restriction does not exceed deformation range; one of described 2 supports 5 are provided with turning axle 11 in connection described buckle 6 one end, and described buckle 6 can be rotated around described turning axle 11.
Claims (1)
1. a tension transducer with resistance strain pieces, it is characterized in that: it comprises: with the bearing (8) of semi-girder (1), upper bracket (2) and gib screw (12) thereof, resistance strain gage (3), 2 supports (5), buckle (6) and 2 set bolts (9) thereof;
Described bearing (8) is provided with the jack (10) that inserts described support (5) in described semi-girder (1) both sides;
Described upper bracket (2) top is smooth curved surfaces, is arranged on described semi-girder (1) top by described gib screw (12);
Described resistance strain gage (3) is arranged on described semi-girder (1) near on the surface of described bearing (8) one sides;
Parallel described semi-girder (1) both sides that are positioned at of described 2 supports (5);
Described buckle (6) is connected to described 2 supports (5) one end by described 2 set bolts (9);
Described resistance strain gage (3) top is provided with over cap (4); described buckle (6) middle part is provided with the stopper slot (7) that the described semi-girder of restriction (1) does not exceed deformation range; one of described 2 supports (5) are provided with turning axle (11) in connection described buckle (6) one end, and described buckle (6) can be rotated around described turning axle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350440.6A CN102393265B (en) | 2011-11-09 | 2011-11-09 | Resistance strain force sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350440.6A CN102393265B (en) | 2011-11-09 | 2011-11-09 | Resistance strain force sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102393265A CN102393265A (en) | 2012-03-28 |
| CN102393265B true CN102393265B (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110350440.6A Active CN102393265B (en) | 2011-11-09 | 2011-11-09 | Resistance strain force sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102393265B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884455B (en) * | 2012-12-20 | 2015-11-25 | 国家核电技术有限公司 | tension measuring device |
| CN103323155B (en) * | 2013-05-31 | 2016-04-20 | 李建华 | Container Special pull sensor and system |
| CN107991013A (en) * | 2017-12-27 | 2018-05-04 | 杭州集普科技有限公司 | A kind of rotatable belt force sensor of force rod |
| CN109443619A (en) * | 2018-12-24 | 2019-03-08 | 尚廷东 | Stretching force detecting apparatus and detection method between a kind of tension member |
| CN111122028B (en) * | 2019-12-20 | 2021-03-26 | 清华大学 | Stress sensor and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326424A (en) * | 1979-03-30 | 1982-04-27 | Cleveland Machine Controls, Inc. | Web tension transducer arrangement |
| EP1310780A1 (en) * | 2001-11-08 | 2003-05-14 | Dinacell Electronica, S.L. | Improved probe for measuring mechanical stress in cables |
| EP1475616A1 (en) * | 2002-01-23 | 2004-11-10 | Micelect, S.L. | Instrument for measuring suspended masses for machines that operate with traction cables |
| CN1760662A (en) * | 2005-10-25 | 2006-04-19 | 南京航空航天大学 | 2D force transducer in small measurement range |
| CN101457749A (en) * | 2007-12-14 | 2009-06-17 | 台达电子工业股份有限公司 | Fan testing device |
-
2011
- 2011-11-09 CN CN201110350440.6A patent/CN102393265B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326424A (en) * | 1979-03-30 | 1982-04-27 | Cleveland Machine Controls, Inc. | Web tension transducer arrangement |
| EP1310780A1 (en) * | 2001-11-08 | 2003-05-14 | Dinacell Electronica, S.L. | Improved probe for measuring mechanical stress in cables |
| EP1475616A1 (en) * | 2002-01-23 | 2004-11-10 | Micelect, S.L. | Instrument for measuring suspended masses for machines that operate with traction cables |
| CN1760662A (en) * | 2005-10-25 | 2006-04-19 | 南京航空航天大学 | 2D force transducer in small measurement range |
| CN101457749A (en) * | 2007-12-14 | 2009-06-17 | 台达电子工业股份有限公司 | Fan testing device |
Non-Patent Citations (1)
| Title |
|---|
| 吴强，吉爱红，王周义等.一种测力传感器固有频率的提高与测试.《传感技术学报》.2010,第23卷(第2期),235-238. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102393265A (en) | 2012-03-28 |
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