CN102221394A - Universal weighing sensor - Google Patents
Universal weighing sensor Download PDFInfo
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- CN102221394A CN102221394A CN 201110091150 CN201110091150A CN102221394A CN 102221394 A CN102221394 A CN 102221394A CN 201110091150 CN201110091150 CN 201110091150 CN 201110091150 A CN201110091150 A CN 201110091150A CN 102221394 A CN102221394 A CN 102221394A
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- head
- supporting
- strain body
- response body
- strain
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Abstract
The invention discloses a universal weighing sensor. In the universal weighing sensor, a base is connected with a strain body; a strain sheet is attached to the strain body and is connected with a lead; the head of the strain body is connected with a supporting body; the supporting body is movably connected with the head of the strain body; a supporting surface at the front end of the head of the strain body is a spherical surface; and a part of the supporting body which is supported by the head of the strain body is a plane. After a weighed object is connected with the supporting body, the head of the strain body still keeps reliable point contact with the supporting body even when the acting force of the weighted object deviates from the central line of the strain body in a certain way, a certain included angle is formed and lateral force or torque force is applied to the strain body, so that the stress of the head of the strain body is not influenced and the influence on weighing accuracy is small. The universal weighting sensor has the characteristics of reasonable and reliable structure, high weighing accuracy, convenience and rapidness for installation and wide application range.
Description
Technical field
The present invention relates to a kind of LOAD CELLS.
Background technology
Constituting of existing a kind of LOAD CELLS: be connected with response body on the base, be pasted with foil gauge on the response body, foil gauge and lead join, and the head of response body and a supporting body are fixedly connected.The shortcoming that this LOAD CELLS exists is: since between the head of response body and supporting body for being fixedly connected, in use, when supporting body is connected installation with the object of being weighed, the object that then requires to be weighed is aimed at the center line of response body the acting force of response body and is parallel, if this acting force and center line depart from, then can produce side force, torsion to response body, directly influence weighing precision, and have the data drift phenomenon, can damage sensor when serious.
Summary of the invention
The object of the present invention is to provide a kind of universal LOAD CELLS, this LOAD CELLS in use, the side force of the object that is subjected to be weighed and torsion influence little, the measuring accuracy height.
For achieving the above object, the present invention adopts following scheme: universal LOAD CELLS, be connected with response body on the base, be pasted with foil gauge on the response body, foil gauge and lead join, and the head of response body is connected with supporting body, connect for movable between supporting body and the response body head, the loading end of response body head front end is a sphere, and the position of the strained body head rest supporting of supporting body is the plane.
By such scheme as seen, owing to connect for activity between supporting body and the response body head, and the loading end of response body head front end is that point contacts with the plane at the supported position of supporting body, weighed object with after supporting body connects, even the center line of its acting force and response body has and certain depart from and certain included angle arranged, when response body is formed with side force or torsion, still can keeping reliably between response body head and supporting body, point contacts, can not influence the stressed of response body head, weighing precision is influenced less.Therefore, universal LOAD CELLS provided by the invention in use allows certain installation deviation, and this gives to install also provides bigger convenience.
The present invention is rational in infrastructure, reliable, and it has the weighing precision height, and is easy for installation, quick, advantage of wide range of application.
Description of drawings
Fig. 1 is the structural drawing of one embodiment of the invention;
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Further specify the present invention below in conjunction with embodiment and accompanying drawing.
Referring to Fig. 1
Be connected with response body 3 on the base 9 of universal LOAD CELLS provided by the invention, be pasted with foil gauge 6 on the response body 3, foil gauge 6 joins with lead 7, and cover plate 8 is equipped with in response body 3 outsides, and cover plate 8 hides foil gauge 6.The loading end of the head 3a front end of response body 3 is a sphere.In addition, have mounting hole 9a, can realize the installation of this universal LOAD CELLS by mounting hole 9a at base 9.
Referring to Fig. 1, Fig. 2
And the supporting body that the head of response body 3 is connected with is made up of one half ring flanges 1 and a gusset 2.Have mounting hole 1a, 1b on the ring flange 1, can realize connecting of ring flange 1 and the object of being weighed by mounting hole 1a, 1b.Between supporting body and the response body head for the movable structure that connects be: a side of half ring flange 1 has notch cuttype breach 1b, and gusset 2 and one half ring flanges 1 connect both notch cuttype breach 1b being connected into shoulder hole by bolt 5, the head 3a of response body 3 is arranged in this shoulder hole, and the bottom surface of gusset 2 is by the loading end supporting of response body head 3a.Connect with activity between the response body head by supporting body, guarantee that supporting body can realize the deflection of certain angle with respect to the head 3a of response body 3, can rotate around the center line of response body 3 again.For guaranteeing the operate as normal of this LOAD CELLS, supporting body is allowing in 0 ~ 15 ° of scope with respect to the angle of the head 3a deflection of response body 3, and promptly the angle of the centreline space of the center line of supporting body and response body allows in 0 ~ 15 °.
In addition, as seen from Figure 1, on the head 3a of response body, have annular groove 3b, be provided with " O " RunddichtringO 4 among the annular groove 3b.When corresponding variant deflection of supporting body or rotation, " O " RunddichtringO 4 can play buffering, damping action.
Claims (2)
1. universal LOAD CELLS, be connected with response body on the base, be pasted with foil gauge on the response body, foil gauge and lead join, the head of response body is connected with supporting body, it is characterized in that: connect for movable between supporting body and the response body head, the loading end of response body head front end is a sphere, and the position of the strained body head rest supporting of supporting body is the plane.
2. universal LOAD CELLS according to claim 1, it is characterized in that: and supporting body is made up of one half ring flanges and a gusset, one side of half ring flange has the notch cuttype breach, and gusset connects with one half ring flanges both notch cuttype breach being connected into shoulder hole, the head of response body is arranged in this shoulder hole, the bottom surface of gusset has annular groove by the loading end supporting of response body head on the head of response body, is provided with " O " RunddichtringO in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091150 CN102221394A (en) | 2011-04-12 | 2011-04-12 | Universal weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091150 CN102221394A (en) | 2011-04-12 | 2011-04-12 | Universal weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102221394A true CN102221394A (en) | 2011-10-19 |
Family
ID=44778013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110091150 Pending CN102221394A (en) | 2011-04-12 | 2011-04-12 | Universal weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102221394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833406A (en) * | 2015-04-22 | 2015-08-12 | 上海亚津电子科技有限公司 | Weighing sensor |
| CN111122038A (en) * | 2019-12-27 | 2020-05-08 | 中联重科股份有限公司 | Sensor assembly, acting force detection device and method and engineering machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532817A (en) * | 2009-03-26 | 2009-09-16 | 广州电测仪器厂 | Resistance strain gauge and sensor using resistance strain gauge to change stress transfer mode |
| CN201340293Y (en) * | 2009-01-15 | 2009-11-04 | 东莞市华兰海电子有限公司 | Column weighting sensor |
| CN201392231Y (en) * | 2009-03-06 | 2010-01-27 | 刘巍 | Column type sensor for electronic automobile scale |
| CN201569478U (en) * | 2009-12-03 | 2010-09-01 | 陈荡 | Weighing force measurement device of material storage tank and material storage bin |
| CN201765048U (en) * | 2010-08-20 | 2011-03-16 | 宁波圣诺传感器有限公司 | Elastic body and weighing sensor therewith |
-
2011
- 2011-04-12 CN CN 201110091150 patent/CN102221394A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340293Y (en) * | 2009-01-15 | 2009-11-04 | 东莞市华兰海电子有限公司 | Column weighting sensor |
| CN201392231Y (en) * | 2009-03-06 | 2010-01-27 | 刘巍 | Column type sensor for electronic automobile scale |
| CN101532817A (en) * | 2009-03-26 | 2009-09-16 | 广州电测仪器厂 | Resistance strain gauge and sensor using resistance strain gauge to change stress transfer mode |
| CN201569478U (en) * | 2009-12-03 | 2010-09-01 | 陈荡 | Weighing force measurement device of material storage tank and material storage bin |
| CN201765048U (en) * | 2010-08-20 | 2011-03-16 | 宁波圣诺传感器有限公司 | Elastic body and weighing sensor therewith |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833406A (en) * | 2015-04-22 | 2015-08-12 | 上海亚津电子科技有限公司 | Weighing sensor |
| CN111122038A (en) * | 2019-12-27 | 2020-05-08 | 中联重科股份有限公司 | Sensor assembly, acting force detection device and method and engineering machinery |
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Application publication date: 20111019 |