Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Double cantilever beam-coding screw rod composite sensing tensile test method and device

A technology of tensile testing machine and double cantilever beam, which is applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., and can solve problems such as measurement errors

Pending Publication Date: 2019-12-13
YANTAI UNIV
View PDF0 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The elongation of the specimen is measured by the displacement of the crossbeam. In addition to the deformation of the crossbeam, the determination (measurement) method of the initial interval of the specimen fixture and the mechanical clearance of the fixture mechanism will also cause measurement errors.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Double cantilever beam-coding screw rod composite sensing tensile test method and device
  • Double cantilever beam-coding screw rod composite sensing tensile test method and device
  • Double cantilever beam-coding screw rod composite sensing tensile test method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0083] Below in conjunction with accompanying drawing this design is described further.

[0084] refer to Figure 1-Figure 7 , Double cantilever beam-coded screw compound sensor tensile test method and its testing machine, the test system is composed of the main ZJ, the standard device 0, the tested piece 13 and the numerical control device.

[0085] The main engine ZJ is composed of a base 1, a support plate 18, a force-deformation composite sensing mechanism, a driving device 31 and a positioning bracket for measuring cross-sectional dimensions.

[0086] The base 1 is a box-shaped structure, and the upper surface of the top plate is a plane. A sliding bearing 4 with an axis along the vertical direction is installed at the center of the top plate. Four threaded holes 24 are symmetrically distributed around the sliding bearing 4 . The support plate 18 is a trapezoidal thick plate, which is vertically fixed on the top of the base 1 top plate, and its right end is close to the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a double cantilever beam-coding screw rod composite sensing tensile test method and device. The test device comprises a main machine, an etalon, a tested piece and a microcomputer numerical control unit. A force-deformation composite sensing mechanism composed of double cantilever-beam sensors, an encoding lead screw and a driving device serves as the main machine, the double cantilever-beam sensors include a fixed cantilever beam sensor and a movable cantilever beam sensor, and the encoding lead screw is composed of a transmission lead screw and a three-state encoder.The double cantilever-beam sensors cooperate with the encoding lead screw to realize functions of clamping, force sensing and deformation sensing of the test piece, and the size of the test piece canbe measured. When a system works, the force-deformation composite sensing mechanism is controlled by the microcomputer numerical control unit to load the test piece, and outputs a load-deformation signal of the test piece to the microcomputer numerical control unit in real time.

Description

technical field [0001] This design is a double cantilever beam-coded screw composite sensing tensile test method and its testing machine, which is used for the mechanical performance test of materials, especially metal filaments, fabric fibers, animal fibers, artificial fibers, polymer materials, etc. The invention relates to a tensile test of materials, belonging to the technical fields of mechanical tests and sensors. Background technique [0002] For material testing machines with various structural forms used in material tensile mechanical performance tests, load measurement and deformation measurement are generally realized by two different sets of sensing systems, that is, the load sensing system uses a load (force) sensor, and the deformation sensor Sensing systems employ extensometers or other mechanical-geometric conversion mechanisms. For materials that are not suitable for extensometers such as metal filaments, fibers, and soft polymer materials, the tensile test...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01N3/08G01N3/02G01N3/62
CPCG01N3/08G01N3/02G01N3/62G01N2203/0017
Inventor 曲淑英吴江龙鲁阳
Owner YANTAI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com