CN112067184A - Penetration type tension sensor with overload protection - Google Patents
Penetration type tension sensor with overload protection Download PDFInfo
- Publication number
- CN112067184A CN112067184A CN202011103150.7A CN202011103150A CN112067184A CN 112067184 A CN112067184 A CN 112067184A CN 202011103150 A CN202011103150 A CN 202011103150A CN 112067184 A CN112067184 A CN 112067184A
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- hole
- elastic body
- overload protection
- tension sensor
- penetration type
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- 230000035515 penetration Effects 0.000 title claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000000806 elastomer Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 11
- 230000005489 elastic deformation Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000011888 foil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/10—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of tension sensors, and discloses a penetration type tension sensor with overload protection, which comprises an elastic body, wherein a bearing groove is formed in the middle of the elastic body, a ball bearing is arranged in the bearing groove, an upper cover plate and a lower cover plate are respectively arranged on the upper side and the lower side of the ball bearing, a plurality of second circular through holes penetrate through the elastic body, screws are arranged in the second circular through holes, and the screws are used for fixedly connecting the upper cover plate, the lower cover plate and the elastic body. The wire cutting overload prevention device has very small elastic deformation, is favorable for the output signal temperature of products and accurate, is very suitable for practical application of the products, can realize 10 times of overload at the maximum design, is simple and easy to process in wire cutting overload prevention, and can save the processing cost.
Description
Technical Field
The invention relates to the technical field of tension sensors, in particular to a penetration type tension sensor with overload protection.
Background
The tension sensor is used for measuring the tension value of the coiled material in the tension control process. The strain gauge for pharmacy is characterized in that a tension strain gauge and a compression strain gauge are connected together in a bridge mode, the resistance value of the strain gauge is changed when external pressure is applied, and the change value is in direct proportion to the magnitude of the applied tension; the micro-displacement type is a type in which a load is applied by an external force to displace a plate spring, and then a tension is detected by a differential transformer, and is called a micro-displacement type tension detector because the displacement amount of the plate spring is extremely small, about ± 200 μm.
The existing tension sensor has the following defects: the deformation of tension measurement is big, can bring very big data to beat to tension measurement, causes the data unstable to there is not overload prevention function, the sensor is damaged by the overload easily.
Disclosure of Invention
The invention aims to provide a penetration type tension sensor with overload protection, wherein the deformation of the sensor is very small, which is beneficial to the stability of the output signal of the sensor, when the stress of the sensor is overlarge, namely the actually generated deformation exceeds the gap of a rated design overload groove, a convex linear cutting groove can be contacted up and down, so that an elastic body is not deformed, the improvement of the precision of the sensor is greatly facilitated, the response frequency of the sensor can be improved, and the problems that the deformation of the existing tension sensor for measuring the tension is large, the measurement of the tension brings great data jitter, and the data is unstable are solved.
The penetrating tension sensor with the overload protection comprises an elastic body, wherein a bearing groove is formed in the middle of the elastic body, a ball bearing is arranged in the bearing groove, an upper cover plate and a lower cover plate are respectively arranged on the upper side and the lower side of the ball bearing, a plurality of second circular through holes penetrate through the elastic body, screws are arranged in the second circular through holes, and the screws are used for fixedly connecting the upper cover plate, the lower cover plate and the elastic body.
Further, the both sides of elastomer all are provided with the rectangle through-hole, one side of rectangle through-hole is connected with unilateral line cutting groove.
Furthermore, the opposite ends of the two unilateral linear cutting grooves are communicated with the convex linear cutting groove.
Further, all be provided with a plurality of first circular through-holes on the inboard elastomer of rectangle through-hole, be connected with the cutting groove between the first circular through-hole.
Further, an elastic body outer ring is arranged on the outer side of the elastic body, and an installation part is arranged on one side of the elastic body outer ring.
Further, a through hole is formed in the middle of the mounting portion, and threaded holes are formed in the mounting portions on four sides of the through hole.
Furthermore, the threaded hole is connected with the plug cushion block through a screw, a pluggable plug is arranged in the middle of the plug cushion block, and the pluggable plug penetrates through the through hole to be connected with the elastic body.
Furthermore, a groove is formed in the inner wall of the bearing groove, and the outer ring of the ball bearing is matched with the groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the deformation of the sensor is very small, which is helpful for the stability of the output signal of the sensor, when the sensor is stressed too much, namely the actually generated deformation exceeds the gap of the rated design overload slot, the convex linear cutting slot can be contacted up and down, so that the elastic body is not deformed any more, and the sensor has great help for improving the precision of the sensor, and can also improve the response frequency of the sensor;
2. the sensor is protected not to receive the overload damage by the overload design of sensor, can produce corresponding elastic deformation between rectangle through-hole and the first circular through-hole, the foil gage of sensor pastes on the rectangle through-hole to produce corresponding voltage signal, the elastic deformation of this kind of structure is very little, the output signal temperature that is favorable to the product is just accurate, especially adapted product's practical application, maximum design can be to 10 times overload, and the wire-electrode cutting is prevented transshipping and is simply workable moreover, can save the processing cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an exploded view of a penetrating tension sensor with overload protection according to the present invention;
fig. 2 is a schematic structural diagram of an elastomer in a penetration type tension sensor with overload protection according to the present invention.
In the figure: 1-upper cover plate, 2-elastic body, 21-elastic body outer ring, 22-mounting part, 221-through hole, 222-threaded hole, 23-rectangular through hole, 231-unilateral linear cutting groove, 232-convex linear cutting groove, 24-first circular through hole, 241-cutting groove, 25-second circular through hole, 26-bearing groove, 261-groove, 3-ball bearing, 4-plug cushion block, 5-pluggable plug and 6-lower cover plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, a preferred embodiment of the present invention is shown.
The utility model provides a take overload protection's penetrating type tension sensor, including elastomer 2, the middle part of elastomer 2 is provided with bearing groove 26, be provided with ball bearing 3 in the bearing groove 26, ball bearing 3's upper and lower both sides are provided with upper cover plate 1 and apron 6 down respectively, it has a plurality of second circular through-holes 25 to run through on the elastomer 2, be provided with the screw in the circular through-hole 25 of second, the upper cover plate 1 is realized to the screw, apron 6 and elastomer 2's fixed connection down, because elastomer 2's special structural design, after the sensor atress, inside can produce corresponding elastic deformation, the foil gage of sensor produces corresponding voltage signal, the elastic deformation of this kind of structure is very little, be favorable to the output signal temperature and the accuracy of product, the practical application of especially adapted product.
In this embodiment, the both sides of elastomer 2 all are provided with rectangle through-hole 23, one side of rectangle through-hole 23 is connected with unilateral linear cutting groove 231, two unilateral linear cutting grooves 231 one end in opposite directions all communicate type line grooving 232, all be provided with a plurality of first circular through-holes 24 on the elastomer 1 of rectangle through-hole 23 inboard, be connected with between first circular through-hole 24 and cut groove 241, after the sensor atress, can produce corresponding elastic deformation between rectangle through-hole 23 and the circular through-hole 24, the foil gage of sensor pastes on rectangle through-hole 23, thereby produce corresponding voltage signal.
Specifically, the sensor can be protected not to receive the overload damage by the sensor anti-overload design, corresponding elastic deformation can be produced between rectangular through hole 23 and first circular through hole 24, the foil gage of sensor pastes on rectangular through hole 23, thereby produce corresponding voltage signal, the elastic deformation of this kind of structure is very little, be favorable to the output signal temperature and the accuracy of product, the practical application of especially adapted product, maximum design can be to 10 times overload, and the simple workable of wire-electrode cutting overload prevention moreover, can save the processing cost.
In this embodiment, the elastomer outer ring 21 is arranged on the outer side of the elastomer 1, the installation portion 22 is arranged on one side of the elastomer outer ring 21, the through hole 221 is arranged in the middle of the installation portion 22, the threaded holes 222 are formed in the installation portion 22 on the four sides of the through hole 221, the threaded holes 222 are connected with the plug cushion block 4 through screws, the pluggable plug 5 is arranged in the middle of the plug cushion block 4, the pluggable plug 5 penetrates through the through hole 221 and is connected with the elastomer 2, and signal output inside the sensor is guaranteed.
In this embodiment, the inner wall of the bearing groove 26 is provided with a groove 261, and the outer ring of the ball bearing 3 is matched with the groove 261, so that the ball bearing 3 is fixed, the deformation amount of the sensor is very small, which is beneficial to the stability of the output signal of the sensor, when the sensor is stressed too much, namely the deformation amount actually generated exceeds the rated design overload groove gap, the convex linear cutting groove 232 can be contacted up and down, so that the elastic body 2 is not deformed any more, and the improvement of the accuracy of the sensor is greatly facilitated, and the response frequency of the sensor can also be improved;
when the technical scheme is used, an installation part 22 is milled at one position of an outer ring 21 of the elastic body and is used for installing a plug cushion block 4 and a pluggable plug 5, a through hole 221 is formed in the installation part 22 and is used for leading wires in the sensor out, four threaded holes 222 are uniformly distributed around the through hole 221 and are used for fastening the plug cushion block 4 and the pluggable plug 5, a rectangular through hole 23 is respectively distributed at the upper part and the lower part of the elastic body 1, a unilateral wire cutting groove 231 is used for communicating the upper rectangular through hole and the lower rectangular through hole 23, a convex wire cutting groove 232 with smaller clearance is designed in the middle of the unilateral wire cutting groove 231 and is used for preventing overload of the sensor, when the sensor is stressed excessively, namely the actually generated deformation amount exceeds the clearance of a rated design overload groove, the convex wire cutting groove 232 can be contacted up and down, so that the elastic body is not deformed any more, the purpose of preventing overload is achieved, four first round through holes 24 are also distributed at the, two circular through holes 25 are symmetrically distributed at the upper part and the lower part, the four circular through holes 24 are communicated by a cutting groove 241, eight second circular through holes 25 are distributed on the elastic body 1 and used for fixing the upper cover plate 1 and the lower cover plate 6, a through hole 26 is arranged in the middle of the elastic body 2, the through hole 26 is used for installing a self-aligning ball bearing 3, two grooves 261 are distributed at the upper position and the lower position of the bearing groove 26 and used for fixing the rectangular through hole 3, after the sensor is stressed, corresponding elastic deformation can be generated between the rectangular through hole 23 and the circular through hole 24 due to the special structural design of the elastic body, a strain gauge of the sensor is attached to the rectangular through hole 23, and therefore a corresponding voltage signal is generated, the elastic deformation of the structure is very small, the temperature and accuracy of an output signal of a product are facilitated, and the sensor is.
In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.
The invention is not described in detail, but is well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a take overload protection's penetration type tension sensor which characterized in that: the elastic body is characterized by comprising an elastic body, wherein a bearing groove is formed in the middle of the elastic body, a ball bearing is arranged in the bearing groove, an upper cover plate and a lower cover plate are respectively arranged on the upper side and the lower side of the ball bearing, a plurality of second circular through holes penetrate through the elastic body, screws are arranged in the second circular through holes, and the upper cover plate, the lower cover plate and the elastic body are fixedly connected through the screws.
2. The penetration type tension sensor with overload protection according to claim 1, wherein: the both sides of elastomer all are provided with the rectangle through-hole, one side of rectangle through-hole is connected with unilateral line cutting groove.
3. The penetration type tension sensor with overload protection according to claim 2, wherein: and the opposite ends of the two unilateral linear cutting grooves are communicated with the convex linear cutting groove.
4. The penetration type tension sensor with overload protection according to claim 3, wherein: all be provided with a plurality of first circular through-holes on the inboard elastomer of rectangle through-hole, be connected with between the first circular through-hole and cut the cut groove.
5. The penetration type tension sensor with overload protection according to claim 4, wherein: the elastomer outside is provided with the elastomer outer lane, one side of elastomer outer lane is provided with the installation department.
6. The penetration type tension sensor with overload protection according to claim 5, wherein: the middle part of installation department is provided with the through-hole, all be provided with the screw hole on the installation department of four sides of through-hole.
7. The penetration type tension sensor with overload protection as claimed in claim 6, wherein: the threaded hole is connected with the plug cushion block through a screw, a pluggable plug is arranged in the middle of the plug cushion block, and the pluggable plug penetrates through the through hole to be connected with the elastic body.
8. The penetration type tension sensor with overload protection according to claim 7, wherein: the inner wall of the bearing groove is provided with a groove, and the outer ring of the ball bearing is matched with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103150.7A CN112067184A (en) | 2020-10-15 | 2020-10-15 | Penetration type tension sensor with overload protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103150.7A CN112067184A (en) | 2020-10-15 | 2020-10-15 | Penetration type tension sensor with overload protection |
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| Publication Number | Publication Date |
|---|---|
| CN112067184A true CN112067184A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011103150.7A Pending CN112067184A (en) | 2020-10-15 | 2020-10-15 | Penetration type tension sensor with overload protection |
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| CN (1) | CN112067184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252227A (en) * | 2021-06-21 | 2021-08-13 | 深圳市鑫精诚科技有限公司 | Six-dimensional force sensor with overload protection structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003996Y (en) * | 2007-02-02 | 2008-01-09 | 上海宇泽机电设备有限公司 | Strain detection device |
| CN203443725U (en) * | 2013-06-26 | 2014-02-19 | 宁波柯力传感科技股份有限公司 | Double-range tension sensor |
| CN106525313A (en) * | 2016-12-30 | 2017-03-22 | 安徽中航电子科技发展有限公司 | Through shaft type tension sensor |
| CN108801504A (en) * | 2018-08-27 | 2018-11-13 | 太仓市悦博电动科技有限公司 | A kind of device for pressure measurement and bicycle tread sensors |
| CN208206368U (en) * | 2018-04-17 | 2018-12-07 | 宁波柯力传感科技股份有限公司 | Axis through type tension sensor |
| CN212585893U (en) * | 2020-10-15 | 2021-02-23 | 深圳市鑫精诚科技有限公司 | Penetration type tension sensor with overload protection |
-
2020
- 2020-10-15 CN CN202011103150.7A patent/CN112067184A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003996Y (en) * | 2007-02-02 | 2008-01-09 | 上海宇泽机电设备有限公司 | Strain detection device |
| CN203443725U (en) * | 2013-06-26 | 2014-02-19 | 宁波柯力传感科技股份有限公司 | Double-range tension sensor |
| CN106525313A (en) * | 2016-12-30 | 2017-03-22 | 安徽中航电子科技发展有限公司 | Through shaft type tension sensor |
| CN208206368U (en) * | 2018-04-17 | 2018-12-07 | 宁波柯力传感科技股份有限公司 | Axis through type tension sensor |
| CN108801504A (en) * | 2018-08-27 | 2018-11-13 | 太仓市悦博电动科技有限公司 | A kind of device for pressure measurement and bicycle tread sensors |
| CN212585893U (en) * | 2020-10-15 | 2021-02-23 | 深圳市鑫精诚科技有限公司 | Penetration type tension sensor with overload protection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252227A (en) * | 2021-06-21 | 2021-08-13 | 深圳市鑫精诚科技有限公司 | Six-dimensional force sensor with overload protection structure |
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