CN102393265A - Resistance strain force sensor - Google Patents

Resistance strain force sensor Download PDF

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Publication number
CN102393265A
CN102393265A CN2011103504406A CN201110350440A CN102393265A CN 102393265 A CN102393265 A CN 102393265A CN 2011103504406 A CN2011103504406 A CN 2011103504406A CN 201110350440 A CN201110350440 A CN 201110350440A CN 102393265 A CN102393265 A CN 102393265A
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China
Prior art keywords
resistance strain
force
girder
semi
buckle
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Application number
CN2011103504406A
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Chinese (zh)
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CN102393265B (en
Inventor
张剑锋
李志利
王林杰
姜世忠
刘炳坤
汪德生
王惠娟
陈文娟
刘书娟
王颜晴
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China Astronaut Research and Training Center
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China Astronaut Research and Training Center
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Priority to CN201110350440.6A priority Critical patent/CN102393265B/en
Publication of CN102393265A publication Critical patent/CN102393265A/en
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Publication of CN102393265B publication Critical patent/CN102393265B/en
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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

Tension transducer with resistance strain pieces
Technical field
The invention belongs to automatic test and control technology field, particularly a kind of pulling force sensor.
Background technology
In the weightlessness of space environment; Long-term flight can make the spacefarer produce 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 adopts pulling force sensor elastic webbing, longitudinal force load etc. to be carried out the analysis to measure of power with regard to needing.Limit owing to receive the requirement of weightless particular surroundings and space and load, used pulling force sensor must possess that volume is little, light weight, easy to operate, characteristics such as precision is high, good stability.
Summary of the invention
The objective of the invention is: a kind of pulling force sensor that satisfies the 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: have the bearing of semi-girder, upper bracket and gib screw thereof, resistance strain gage, 2 supports, buckle and 2 set bolts thereof;
Said bearing is provided with the jack that inserts said support in said semi-girder both sides;
Said upper bracket top is smooth curved surfaces, is installed in said semi-girder top by said gib screw;
Said resistance strain gage is arranged on the surface of said semi-girder near said bearing one side;
The parallel said semi-girder both sides that are positioned at of said 2 supports;
Said buckle is connected said 2 support one ends through said 2 set bolts.
The present invention need not web member, through buckle, is easy to fix; Easy and simple to handle, but nondestructive measurement has been the rigidity rope, elastic webbing, rope of stretching stress etc., and upper bracket is stressed evenly; Can effectively transmit stressedly, two side stands are column, are difficult for the stressed elastic webbing of wear tension, rope etc.The support of semi-girder and both sides makes the rope stretching of tested pulling force that warpage take place; The force action of flex portion rope pull is in semi-girder; Make it produce strain; Resistance strain gage also in company with producing distortion and change in resistance, converts resistance variations into electric signal through corresponding metering circuit again, changes pulling force into can measure electric signal output process thereby accomplished.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is each block diagram of the present invention;
Accompanying drawing 3 is vertical view of the present invention;
Accompanying drawing 4 is 45 ° of views below the present invention tiltedly;
Accompanying drawing 5 is a buckle rotation synoptic diagram in the embodiment of the invention 2.
Embodiment
Embodiment 1: referring to each accompanying drawing, and a kind of tension transducer with resistance strain pieces, it comprises: have the bearing 8 of semi-girder 1, upper bracket 2 and gib screw 12 thereof, 3,2 supports 5 of resistance strain gage, buckle 6 and 2 set bolts 9 thereof;
Said bearing 8 is provided with the jack 10 that inserts said support 5 in said semi-girder 1 both sides;
Said upper bracket 2 tops are smooth curved surfaces, are installed in said semi-girder 1 top by said gib screw 12;
Said resistance strain gage 3 is arranged on the surface of said semi-girder 1 near said bearing 8 one sides;
Said 2 supports 5 parallel said semi-girder 1 both sides that are positioned at;
Said buckle 6 is connected said 2 support 5 one ends through said 2 set bolts 9.
With the elastic webbing is example, and said buckle 6 is opened, and elastic webbing is inserted sensor from the side, and the elastic webbing middle part is by upper bracket 2 jack-up, and both sides are blocked by said 2 supports 5, after being fixed by 3 support actings in conjunction, close said buckle 6, just can carry out tensile test.
Embodiment 2: referring to each accompanying drawing; In embodiment 1 said tension transducer with resistance strain pieces; Said resistance strain gage 3 tops are provided with over cap 4; Said buckle 6 middle parts are provided with the stopper slot 7 that the said semi-girder 1 of restriction does not exceed deformation range, and one of said 2 supports 5 are provided with turning axle 11 at said buckle 6 one ends of connection, and said buckle 6 can be rotated around said turning axle 11.

Claims (2)

1. tension transducer with resistance strain pieces, it is characterized in that: it comprises: have 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;
Said bearing (8) is provided with the jack (10) that inserts said support (5) in said semi-girder (1) both sides;
Said upper bracket (2) top is smooth curved surfaces, is installed in said semi-girder (1) top by said gib screw (12);
Said resistance strain gage (3) is arranged on the surface of said semi-girder (1) near said bearing (8) one sides;
Parallel said semi-girder (1) both sides that are positioned at of said 2 supports (5);
Said buckle (6) is connected said 2 supports (5) one ends through said 2 set bolts (9).
2. tension transducer with resistance strain pieces according to claim 1; It is characterized in that: said resistance strain gage (3) top is provided with over cap (4); Said buckle (6) middle part is provided with the stopper slot (7) that the said semi-girder of restriction (1) does not exceed deformation range; One of said 2 supports (5) are provided with turning axle (11) at said buckle (6) one ends of connection, and said buckle (6) can be rotated around said turning axle (11).
CN201110350440.6A 2011-11-09 2011-11-09 Resistance strain force sensor Active CN102393265B (en)

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 true CN102393265A (en) 2012-03-28
CN102393265B CN102393265B (en) 2014-08-20

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CN201110350440.6A Active CN102393265B (en) 2011-11-09 2011-11-09 Resistance strain force sensor

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103323155A (en) * 2013-05-31 2013-09-25 李建华 Tension sensor and system for container
CN103884455A (en) * 2012-12-20 2014-06-25 国家核电技术有限公司 Pulling force measuring device
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
CN111122028A (en) * 2019-12-20 2020-05-08 清华大学 Stress sensor and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103884455A (en) * 2012-12-20 2014-06-25 国家核电技术有限公司 Pulling force measuring device
CN103884455B (en) * 2012-12-20 2015-11-25 国家核电技术有限公司 tension measuring device
CN103323155A (en) * 2013-05-31 2013-09-25 李建华 Tension sensor and system for container
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
CN111122028A (en) * 2019-12-20 2020-05-08 清华大学 Stress sensor and preparation method thereof
CN111122028B (en) * 2019-12-20 2021-03-26 清华大学 Stress sensor and preparation method thereof

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