CN110617870A - Side pressure type weight sensor - Google Patents
Side pressure type weight sensor Download PDFInfo
- Publication number
- CN110617870A CN110617870A CN201910622408.5A CN201910622408A CN110617870A CN 110617870 A CN110617870 A CN 110617870A CN 201910622408 A CN201910622408 A CN 201910622408A CN 110617870 A CN110617870 A CN 110617870A
- Authority
- CN
- China
- Prior art keywords
- wire rope
- steel wire
- sensor
- weight
- pressing block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract 3
- 239000000806 elastomer Substances 0.000 abstract 3
- 238000012544 monitoring process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/13—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezoresistive properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a side pressure type weight sensor, which belongs to the field of weight sensors and comprises a sensor elastomer, a resistance type strain gauge, a pressing block and a fastening bolt. The sensor elastomer is fixed on the steel wire rope through the pressing block and the fastening bolt, when the steel wire rope is used for hanging a heavy object, the steel wire rope can be tightened, the side face of the steel wire rope can generate pressure on the sensor elastomer, output voltage of an equal-arm bridge formed by the resistance type strain gauges is changed, and the voltage change and the tensile force of the steel wire rope are in a linear relation, so that a real-time weight value of the weight load can be obtained. The sensor has the advantages of simple structure, small volume and convenient installation, does not need to cut off the steel wire rope, is directly locked on the side surface of the steel wire rope by using screws, and is suitable for equipment which adopts the steel wire rope to pull weight loads, such as cranes, river gates, building elevators, elevators and the like.
Description
Technical Field
The invention belongs to the field of weight sensors, and particularly relates to a side pressure type weight sensor.
Background
In industrial production and daily life, some loads with larger weight need to be measured, such as heavy objects lifted by a crane, lifting of a river gate, lifting of an elevator car and the like, and the real-time and accurate measurement of the loads is helpful for guaranteeing the operation safety of equipment and reducing the probability of accidents. However, since the position of the weight load is constantly moved during the operation of the equipment, the common weight sensor is difficult to install and measure, and if the weight sensor is not used, the equipment may be overloaded, thereby causing potential safety hazards.
At present, to great weight load measurement, generally mainly measure the pulling force on the wire rope that draws hanging load, but direct measurement wire rope's pulling force need cut wire rope, installs tension sensor additional between two sections wire rope, and not only the installation is inconvenient like this, also influences the bulk strength of equipment moreover, consequently need provide a neotype gate promotion weight detection sensor and solve above-mentioned problem urgently.
Disclosure of Invention
The invention aims to provide a side pressure type weight sensor, which does not need to cut off a steel wire rope for pulling and hanging load, but directly adds a sensor on the side surface of the steel wire rope, detects the pressure of the side surface of the steel wire rope on the sensor when the steel wire rope pulls and hangs heavy objects and is tightened, and then converts the pressure into the tensile force born on the steel wire rope and the weight of the load.
In order to achieve the purpose, the invention adopts the following technical scheme: a side pressure type weight sensor comprises a sensor elastic body, a resistance type strain gauge, a pressing block and a fastening bolt. The sensor elastic body is fixed on the steel wire rope through the pressing block and the fastening bolt, when the steel wire rope is used for hanging a heavy object, the steel wire rope can be tightened, the side face of the steel wire rope can generate pressure on the sensor elastic body, the resistance type strain gauge adhered to the sensor elastic body is deformed, the output voltage of the equal-arm bridge formed by the resistance type strain gauges is changed, the voltage change and the tensile force applied to the steel wire rope are in a linear relation, namely the voltage change and the weight of the weight load are in a linear relation, and the voltage signal is processed, so that the real-time weight value of the weight load can be obtained.
The invention has the beneficial effects that: the sensor has simple structure, small volume and convenient installation, and can be directly locked on the side surface of the steel wire rope by a screw without cutting the steel wire rope. The weight load monitoring system can be used for equipment such as cranes, river gates, building elevators, elevators and the like which adopt the steel wire ropes to pull weight loads, can be used for real-time weight detection, can be accessed into a safety monitoring system, and can remind operators and carry out safety warning when the weight loads are suddenly and violently changed.
Drawings
FIG. 1 is a schematic diagram of a sensor configuration;
fig. 2 is a top view of the sensor.
Detailed Description
The invention is further described with reference to the accompanying figures 1-2:
a side pressure type weight sensor is shown in a schematic structure figure 1, and comprises a sensor elastic body 1, a resistance type strain gauge 2, a locking nut 3, a U-shaped bolt 4 and a pressing block 5, wherein the sensor elastic body 1 is arranged on the side surface of a steel wire rope 7, the pressing block 5 presses the steel wire rope 7 and locks the pressing block 5 through the U-shaped bolt 4 and the locking nut 3, and the steel wire rope 7 is bent at an angle after being locked, so that when the steel wire rope 7 is stressed and tightened, pressure is generated on the sensor elastic body 1 on the side surface, the output voltage of an equal-arm bridge formed by the resistance type strain gauge 2 adhered on the sensor elastic body 1 is changed, the voltage change is in linear relation with the tensile force applied to the steel wire rope, namely in linear relation with the weight of a weight load, and a voltage signal is processed to obtain a real-time weight value of the weight load, the cable 6 is a 4-core cable for powering the sensor and transmitting signals.
The top view of the sensor is shown in fig. 2, and it can be seen that the steel cable 7 is locked on the side of the sensor elastic body 1 by the pressing block 5 and the U-bolt 4, and when the steel cable 7 is tightened, pressure is generated on the sensor elastic body 1.
In conclusion, the invention can provide the side pressure type weight sensor which is simple in structure, small in size and convenient to install, and the steel wire rope is not required to be cut off and is directly locked on the side surface of the steel wire rope by the screw. The weight load monitoring system can be used for equipment such as cranes, river gates, building elevators, elevators and the like which adopt the steel wire ropes to pull weight loads, can be used for real-time weight detection, can be accessed into a safety monitoring system, and can remind operators and carry out safety warning when the weight loads are suddenly and violently changed.
Claims (1)
1. A side pressure type weight sensor comprises a sensor elastic body (1), a resistance type strain gauge (2), a locking nut (3), a U-shaped bolt (4) and a pressing block (5), wherein the sensor elastic body (1) is installed on the side surface of a steel wire rope (7), the pressing block (5) presses the steel wire rope (7), the pressing block (5) is locked through the U-shaped bolt (4) and the locking nut (3), and the steel wire rope (7) is bent at an angle after being locked, so that after the steel wire rope (7) is stressed and tightened, pressure is generated on the sensor elastic body (1) on the side surface, the output voltage of an equal-arm bridge formed by the resistance type strain gauges (2) adhered on the sensor elastic body (1) is changed, the voltage change is in a linear relation with the tensile force applied to the steel wire rope, namely, the voltage change is in a linear relation with the weight of a weight load, the voltage signal is processed to obtain a real-time weight value of the weight load, and the cable (6) is a 4-core cable and is used for supplying power to the sensor and transmitting signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622408.5A CN110617870A (en) | 2019-07-02 | 2019-07-02 | Side pressure type weight sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622408.5A CN110617870A (en) | 2019-07-02 | 2019-07-02 | Side pressure type weight sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617870A true CN110617870A (en) | 2019-12-27 |
Family
ID=68921770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910622408.5A Pending CN110617870A (en) | 2019-07-02 | 2019-07-02 | Side pressure type weight sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617870A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201476917U (en) * | 2009-08-10 | 2010-05-19 | 罗绪荆 | Sensor for measuring tension of wire rope |
| CN103528725A (en) * | 2013-10-28 | 2014-01-22 | 北京石油化工学院 | Minitype tension sensor |
| CN206740294U (en) * | 2017-03-17 | 2017-12-12 | 华中科技大学 | A kind of compound device for measuring force of large-tonnage Cable rope for ship |
| CN206876329U (en) * | 2017-05-18 | 2018-01-12 | 宁波柯力传感科技股份有限公司 | Portable cord force cell |
| US20180319312A1 (en) * | 2017-05-03 | 2018-11-08 | Pacific States Manufacturing, Inc. | Tension Monitoring and Signaling System |
-
2019
- 2019-07-02 CN CN201910622408.5A patent/CN110617870A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201476917U (en) * | 2009-08-10 | 2010-05-19 | 罗绪荆 | Sensor for measuring tension of wire rope |
| CN103528725A (en) * | 2013-10-28 | 2014-01-22 | 北京石油化工学院 | Minitype tension sensor |
| CN206740294U (en) * | 2017-03-17 | 2017-12-12 | 华中科技大学 | A kind of compound device for measuring force of large-tonnage Cable rope for ship |
| US20180319312A1 (en) * | 2017-05-03 | 2018-11-08 | Pacific States Manufacturing, Inc. | Tension Monitoring and Signaling System |
| CN206876329U (en) * | 2017-05-18 | 2018-01-12 | 宁波柯力传感科技股份有限公司 | Portable cord force cell |
Non-Patent Citations (1)
| Title |
|---|
| 王朋: "提升机钢丝绳张力监测系统张力传感器与测力装置的研发", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191227 |