CN210426836U - Novel strain type cylindrical force transducer - Google Patents
Novel strain type cylindrical force transducer Download PDFInfo
- Publication number
- CN210426836U CN210426836U CN201921617761.6U CN201921617761U CN210426836U CN 210426836 U CN210426836 U CN 210426836U CN 201921617761 U CN201921617761 U CN 201921617761U CN 210426836 U CN210426836 U CN 210426836U
- Authority
- CN
- China
- Prior art keywords
- flange plate
- support
- measuring
- sleeve
- novel strain
- 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.)
- Active
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Force In General (AREA)
Abstract
The utility model relates to the technical field of sensors, and discloses a novel strain type cylindrical force transducer, which comprises an elastic element and a sleeve for protecting the elastic element; the elastic element comprises a bearing flange plate and a supporting flange plate which are sequentially arranged at intervals from top to bottom; the bearing flange plate and the support flange plate are both horizontally arranged, four support measuring columns are arranged between the bearing flange plate and the support flange plate, four resistance strain gauges are adhered to each support measuring column, and all the strain gauges on the four support measuring columns form a Wheatstone bridge for measuring force; the Wheatstone bridge is connected with the cable, and the cable is fixed on the sleeve by the pressing line nut; due to the adoption of the structural design of the supporting measuring column, the bearing capacity is strong, the eccentric load resistance and the lateral load resistance are strong, so that the sensor is not easy to damage under the conditions of overload of a pressing force and eccentric load, and is more economical; the sensor has the advantages of low overall height, large measuring range, high precision and high reliability.
Description
Technical Field
The utility model belongs to the technical field of the technique of sensor and specifically relates to a novel strain type cylinder force cell sensor.
Background
A small-sized hydraulic machine tool device is used for press mounting of shaft and shaft sleeve parts and pressing of a few of non-very powder and plastic products, and is mainly suitable for assembly in a flowing water mode in the industries of bearings, washing machines, electric appliances, automobiles, motors and the like. Along with the increasing competition of market environment, the product competition is more and more fierce, the assembly efficiency and the cost reduction of a bearing and a shaft need to be improved, the size of the press-mounting force cannot be controlled by the existing bearing press-mounting machine, the press-mounting force is too large, parts such as a small shaft, a bearing, a shaft sleeve and the like are often pressed to deform or directly damage, the shaft cannot be completely pressed into the shaft sleeve and the bearing due to the too small press-mounting force, and a novel high-precision pressure sensor is urgently needed to assist the bearing press-mounting machine to accurately control the size of the press-mounting force so as to improve the production efficiency and the product qualification.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel strain cylinder force cell sensor aims at solving the not high problem of pressure sensor precision among the prior art.
The utility model is realized in such a way that the novel strain type cylindrical force transducer comprises an elastic element and a sleeve for protecting the elastic element; the elastic element comprises a bearing flange plate and a supporting flange plate which are sequentially arranged at intervals from top to bottom; the bearing flange plate and the support flange plate are both horizontally arranged, four support measuring columns are arranged between the bearing flange plate and the support flange plate, four resistance strain gauges are adhered to each support measuring column, and all the strain gauges on the four support measuring columns form a Wheatstone bridge for measuring force; the Wheatstone bridge is connected with a cable, and the cable is fixed on the sleeve by a pressing line nut.
Furthermore, the four supporting measuring columns are uniformly arranged around the central shaft of the bearing flange plate at intervals.
Further, the outer edge of the upper end face of the supporting flange plate is provided with an annular notch, and the annular notch is used for abutting against the bottom wall of the sleeve.
Furthermore, the supporting flange plate and the sleeve are fixedly connected in a laser welding mode.
Furthermore, a plurality of first threaded holes for fixedly mounting the sensor at a specified position are formed in the bearing flange plate.
Furthermore, a plurality of second threaded holes for fixedly mounting the sensor at a specified position are formed in the supporting flange plate.
Compared with the prior art, the above-mentioned novel strain cylinder force cell sensor that provides adopts ring flange, lower ring flange and four structural designs that support the measuring column, and simple structure, compactness, installation, dismantlement are convenient, owing to adopt the structural design who supports the measuring column, and bearing capacity is strong, and anti eccentric load, side direction load ability are strong, improve developments and static application performance for the sensor is not fragile under the condition that the pressure overloads and have the unbalance loading power, and is more economical. Due to the adoption of the structural design of the four-support measuring column, the whole height of the sensor is low, the measuring range is large, the precision is high, the reliability is high, and the pressure control use requirement of the bearing press-mounting machine can be met.
Drawings
Fig. 1 is a schematic perspective view of a novel strain gauge cylindrical force transducer according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a novel strain gauge cylindrical load cell provided by an embodiment of the present invention;
fig. 3 is a circuit diagram of a wheatstone bridge according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 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 are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to 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 for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Referring to fig. 1-3, preferred embodiments of the present invention are provided.
A novel strain cylinder force transducer comprises an elastic element and a sleeve 1 for protecting the elastic element; the elastic element comprises a bearing flange plate 2 and a supporting flange plate 3 which are sequentially arranged at intervals from top to bottom; the bearing flange plate 2 and the support flange plate 3 are both horizontally arranged, four support measuring columns 4 are arranged between the bearing flange plate 2 and the support flange plate 3, four resistance strain gauges are adhered to each support measuring column 4, and all the strain gauges on the four support measuring columns 4 form a Wheatstone bridge for measuring force; the Wheatstone bridge is connected with cable conductor 6, and cable conductor 6 is fixed on sleeve 1 to line ball nut 5.
Above-mentioned a novel strain cylinder force cell sensor that provides adopts ring flange, lower ring flange and four structural designs that support measuring column 4, simple structure, compactness, and the installation, dismantlement are convenient, owing to adopt the structural design who supports measuring column 4, and bearing capacity is strong, and anti eccentric load, side direction load ability are strong, improve developments and static application performance for the sensor is not fragile under the pressure overload and have the circumstances of unbalance loading power, more economical. Due to the adoption of the structural design of the four-support measuring column 4, the whole height of the sensor is low, the measuring range is large, the precision is high, the reliability is high, and the pressure control use requirement of the bearing press-fitting machine can be met.
Fig. 3 shows a circuit configuration diagram of a wheatstone bridge, which includes 16 resistance strain gauges (R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16, respectively), the 16 resistance strain gauges are attached to four supporting measuring columns 4, 4 resistance strain gauges are attached to each supporting measuring column 4, the 16 resistance strain gauges jointly form a wheatstone bridge, the wheatstone bridge is connected with an external power supply through a cable 6, when a force is applied to a bearing flange 2, R1, R3, R5, R7, R9, R11, R13, R15 increases, R2, R4, R6, R8, R10, R12, R39 14, and R16 decrease, and when a supply voltage difference is generated by a U voltage, a signal output voltage of the wheatstone bridge generates a voltage difference0According to the output signal voltage U0A pressure value is measured.
Preferably, four supporting measuring columns 4 are uniformly arranged around the central shaft of the bearing flange 2 at intervals; therefore, the whole sensor has strong eccentric load and side load resistance, uniform stress transfer and high measurement precision.
Furthermore, the outer edge of the upper end face of the support flange 3 is provided with an annular notch 31, and the annular notch 31 is used for abutting against the bottom wall of the sleeve 1; through the arrangement of ring incision 31, play and carry out spacing effect to sleeve 1, the sleeve 1 installation of being convenient for is fixed in suitable position.
Further, the support flange 3 and the sleeve 1 are fixedly connected in a laser welding mode; and a laser welding mode is adopted, so that the welding operation is simple and the welding is firm.
In this embodiment, the bearing flange 2 is provided with a plurality of first threaded holes 21 for fixedly mounting the sensor at a designated position; the sensor can be attached to a predetermined position through the first screw hole 21.
In this embodiment, the support flange 3 is provided with a plurality of second threaded holes for fixedly mounting the sensor at a designated position; the sensor can be mounted at a predetermined position through the second screw hole.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A novel strain cylinder force transducer is characterized by comprising an elastic element and a sleeve for protecting the elastic element; the elastic element comprises a bearing flange plate and a supporting flange plate which are sequentially arranged at intervals from top to bottom; the bearing flange plate and the support flange plate are both horizontally arranged, four support measuring columns are arranged between the bearing flange plate and the support flange plate, four resistance strain gauges are adhered to each support measuring column, and all the strain gauges on the four support measuring columns form a Wheatstone bridge for measuring force; the Wheatstone bridge is connected with a cable, and the cable is fixed on the sleeve by a pressing line nut.
2. The novel strain gage cylinder load cell as defined in claim 1 wherein four of said support measurement posts are spaced evenly around said central axis of said load-bearing flange.
3. A novel strain gauge cylindrical load cell as claimed in claim 2 wherein the outer edge of the upper end surface of the support flange is provided with an annular notch for abutting the bottom wall of the sleeve.
4. The novel strain cylinder load cell as defined in claim 3 wherein the support flange is fixedly attached to the sleeve by laser welding.
5. The novel strain cylinder load cell as defined in any one of claims 1-4, wherein said carrier flange has a plurality of first threaded holes for fixedly mounting said cell at a desired location.
6. The novel strain cylinder load cell as defined in any one of claims 1-4, wherein said support flange has a plurality of second threaded holes for fixedly mounting said cell at a desired location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617761.6U CN210426836U (en) | 2019-09-26 | 2019-09-26 | Novel strain type cylindrical force transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617761.6U CN210426836U (en) | 2019-09-26 | 2019-09-26 | Novel strain type cylindrical force transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210426836U true CN210426836U (en) | 2020-04-28 |
Family
ID=70367917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921617761.6U Active CN210426836U (en) | 2019-09-26 | 2019-09-26 | Novel strain type cylindrical force transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210426836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082684A (en) * | 2020-10-15 | 2020-12-15 | 深圳市鑫精诚科技有限公司 | Anti-overload spindle nose type tension sensor |
| CN113237421A (en) * | 2021-05-31 | 2021-08-10 | 中航电测仪器股份有限公司 | Shaft pin-shaped strain sensor |
| CN113884171A (en) * | 2021-08-12 | 2022-01-04 | 无锡尚合达智能科技有限公司 | Method and system for vehicle-mounted real-time measurement of vehicle load |
| WO2022242160A1 (en) * | 2021-05-20 | 2022-11-24 | 中国第一汽车股份有限公司 | Transfer case assembly clutch axial pressure calibration apparatus and calibration method thereof |
-
2019
- 2019-09-26 CN CN201921617761.6U patent/CN210426836U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082684A (en) * | 2020-10-15 | 2020-12-15 | 深圳市鑫精诚科技有限公司 | Anti-overload spindle nose type tension sensor |
| WO2022242160A1 (en) * | 2021-05-20 | 2022-11-24 | 中国第一汽车股份有限公司 | Transfer case assembly clutch axial pressure calibration apparatus and calibration method thereof |
| CN113237421A (en) * | 2021-05-31 | 2021-08-10 | 中航电测仪器股份有限公司 | Shaft pin-shaped strain sensor |
| CN113237421B (en) * | 2021-05-31 | 2023-11-17 | 中航电测仪器股份有限公司 | Shaft pin-shaped strain sensor |
| CN113884171A (en) * | 2021-08-12 | 2022-01-04 | 无锡尚合达智能科技有限公司 | Method and system for vehicle-mounted real-time measurement of vehicle load |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210426836U (en) | Novel strain type cylindrical force transducer | |
| CN109974916B (en) | Variable-pole-pitch capacitive three-dimensional force sensor structure | |
| CN110553768A (en) | Novel shear beam tension and compression force measuring sensor | |
| CN112284241A (en) | Strain pressure sensor | |
| US3216245A (en) | Load cell | |
| CN109696262A (en) | A kind of ultrathin type strain force sensor | |
| CN110281078B (en) | Multi-parameter sensor for tip of boring blade | |
| CN115628840B (en) | Pressure sensor and electronic equipment | |
| CN210346954U (en) | Integrated three-dimensional force sensor | |
| WO2000075617A1 (en) | Load cell | |
| CN211717572U (en) | Force sensor | |
| CN212585894U (en) | Shaft seat type sensor for sensing tension | |
| CN110553769A (en) | Novel strain type pressure-torsion two-dimensional force sensor | |
| CN209878015U (en) | Combined displacement dynamometer | |
| CN210426837U (en) | Novel shear beam tension and compression force measuring sensor | |
| CN210426834U (en) | Novel strain type pressure-torsion two-dimensional force sensor | |
| CN113049070A (en) | Force sensor | |
| CN219495432U (en) | Weighing device with protect function | |
| CN219244850U (en) | Fan ring type force sensor | |
| CN219178787U (en) | Three-dimensional force sensor of wide range | |
| CN215893873U (en) | Take shield to be convenient for wearing axle type tension sensor of bearing dismantlement | |
| CN216746409U (en) | Weighing sensor and weighing device | |
| CN217304121U (en) | Annular integrated pressure sensor | |
| CN203148536U (en) | Cantilever beam type elastic body | |
| CN217304219U (en) | Film pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230926 Address after: 518000, 1st to 2nd floors, Building 101, Building 17, Industrial Zone 228, Silian Community, Henggang Street, Longgang District, Shenzhen City, Guangdong Province (i.e. Building A02, Dayun AI Town) Patentee after: Shenzhen xinjingcheng Sensor Technology Co.,Ltd. Address before: 518000, 5th Floor, No. 6 Qiancheng Road, 228 Henggang Street, Longgang District, Shenzhen, Guangdong Province Patentee before: SHENZHEN XJC TECHNOLOGY CO.,LTD. |