CN207440013U - A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector - Google Patents

A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector Download PDF

Info

Publication number
CN207440013U
CN207440013U CN201721559525.4U CN201721559525U CN207440013U CN 207440013 U CN207440013 U CN 207440013U CN 201721559525 U CN201721559525 U CN 201721559525U CN 207440013 U CN207440013 U CN 207440013U
Authority
CN
China
Prior art keywords
ultrasonic sensor
sensor array
wave ultrasonic
transversal wave
cushion cap
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
Application number
CN201721559525.4U
Other languages
Chinese (zh)
Inventor
朱德兵
余志武
宋力
章游斌
严武平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Original Assignee
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Central South University, National Engineering Laboratory for High Speed Railway Construction Technology filed Critical Central South University
Priority to CN201721559525.4U priority Critical patent/CN207440013U/en
Application granted granted Critical
Publication of CN207440013U publication Critical patent/CN207440013U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The utility model discloses a kind of transversal wave ultrasonic sensor arrays to couple concrete slab failure detector, including the traction cushion cap being supported on by the support feet of bottom on workpiece to be checked, Multi-path synchronous ultrasonic instrument, with the draft gear for drive traction cushion cap movement, on the traction cushion cap installation through-hole is offered according to the requirement of transversal wave ultrasonic sensor array design, transversal wave ultrasonic sensor array element is mounted in the through hole and can be free to move axially, each transversal wave ultrasonic sensor array element is connected by signal transmssion line with the Multi-path synchronous ultrasonic instrument, the traction cushion cap is equipped with the rotation stop component for preventing that transversal wave ultrasonic sensor array element from circumferentially rotating, the probe of the transversal wave ultrasonic sensor array element is stretched out out of described through hole to be coupled with examined workpiece.The utility model is flexible detection device, each transversal wave ultrasonic sensor array element always with workpiece to be checked is good always couples, and can ensure the directionality of multisensor array motion synchronicity and sensor coupling.

Description

A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector
Technical field
The utility model belongs to the technical field of phased array supersonic non-destructive testing more particularly to a kind of transversal wave ultrasonic array passes Sensor couples concrete slab failure detector.
Background technology
The reinforced concrete structures such as high-speed railway widely use, in prefabricated component or structure running body for a period of time it Afterwards, it is necessary to finely be detected to hidden danger such as the in vivo leakiness of structure or cracks.It is opened using ultrasonic wave in concrete structure It is many to open up the technical method of non-destructive testing, such as B ultrasound, transmitted wave method, Ultrasonic CT, ultrasonic phase array etc., wherein shear wave surpasses Sound phased-array technique can focus on transversal wave ultrasonic wave field, and the transverse wave speed or damaged region feature provided in testing result are compared Longitudinal wave is more directly perceived, precision is high, is the preferred method in high-precision ultrasonic structure detection, shear wave detection have energy it is strong, point The features such as resolution is high has apparent detection advantage in structure non-destructive testing, is particluarly suitable for that ultrasonic attenuation is fast, penetration depth It is used in limited concrete structure detection.As shear wave phased-array technique, typically one group of multiple transversal wave ultrasonic ripple is sensed Device forms one linearly or face array, good couple state are the premises of high-resolution and detected with high accuracy concealed target.
There are slight uneven, rigid array sensor can not ensure each sensor coupling on concrete medium surface Uniformity, independent magnet pedestal be suitble to metal medium surface carry out operation, be not suitable in the nonmetal mediums table such as concrete Face, and be not easy to move freely, in practice, magnetic bases are also a kind of semirigid sensor fixed coupling mode.Cause In concrete, the standalone sensor coupling when crude dielectric surface carries out ultrasound detection operation is extremely inconvenient for this, and standalone sensor exists Dielectric surface can flexible couplings be the key that implement phased array detection in crude uneven dielectric surface;When need using shear wave pass During sensor examinations operation, the coupling direction of multiple standalone sensors also needs to accurate direction under the premise of flexibility is fixed Control.
Therefore in ultrasonic wave lossless detection field, particularly shear wave phased array detection field, there is an urgent need to have efficient biography Sensor flexible couplings technology, on the one hand ensures the uniformity and quality of transverse wave sensor signal acquisition, while improves Collecting operation Efficiency realizes detected with high accuracy.
Utility model content
It is suitable for the crude uneven, needs of dielectric surface the technical problem to be solved by the utility model is to provide one kind to use The transversal wave ultrasonic sensor array coupling concrete slab failure detector that the polarizations ripple such as shear wave is detected.
In order to solve the above technical problems, a kind of transversal wave ultrasonic sensor array coupling concrete slab provided by the utility model Failure detector, including be supported on by the support feet of bottom on workpiece to be checked traction cushion cap, Multi-path synchronous ultrasonic instrument, with The connection of cushion cap front end is drawn for driving the draft gear of traction cushion cap movement, is sensed on the traction cushion cap according to transversal wave ultrasonic The requirement of device Array Design offers installation through-hole, and transversal wave ultrasonic sensor array element is mounted in the through hole and axially free can move Dynamic, each transversal wave ultrasonic sensor array element is connected by signal transmssion line with the Multi-path synchronous ultrasonic instrument, and the traction is held Platform is equipped with the rotation stop component for preventing that transversal wave ultrasonic sensor array element from circumferentially rotating, the probe of the transversal wave ultrasonic sensor array element It stretches out out of described through hole and is coupled with examined workpiece.
Further, the rotation stop component is that at least one piece be pasted and fixed on transversal wave ultrasonic sensor array element side wall is led To block, the side wall of the through hole is equipped with the guide groove to match with the guide pad, and the guide pad Matching installation is described In guide groove.
Further, the shape of the guide pad is wedge shape, rectangle or polygon.
Further, the traction cushion cap is made of rigid material.
Further, the support feet is made of stiffer wear-resistant material, and the support foot bottom is designed as towards traction side To wedge shape or cutting edge shape.
Further, the support feet is traction wheel.
Further, traction cushion cap rear portion configuration is equipped with rudder.
Further, it is additionally provided on the traction cushion cap and acts on transversal wave ultrasonic sensor array element so that its probe is adjacent to and treats Examine the elastic reaction pressue device of workpiece.
Further, the draft gear includes traction rope, capstan winch, range-measurement system, servomotor and Electric automatic control System.
Above-mentioned concrete slab failure detector detection process includes the following steps:Traction cushion cap is placed on workpiece to be checked On, the probe of transversal wave ultrasonic sensor array element is contacted with workpiece to be checked, and each transversal wave ultrasonic sensor array element passes through signal transmssion line Multi-path synchronous ultrasonic instrument is connected to, gathers local ultrasound data in real time, when needing to detect other positions, draft gear is led Draw traction cushion cap movement, workpiece other positions to be checked are examined so as to which each transversal wave ultrasonic sensor array element be driven to be synchronized with the movement It surveys.
Compared with prior art, each transversal wave ultrasonic sensor array element of the utility model can be moved up and down freely, so as to treating Inspection workpiece remains good couple state;Sensing is also ensured while ensure that multisensor array motion synchronicity The directionality of device coupling, be particularly suitable for dielectric surface it is crude it is uneven, need to use the polarizations ripple such as shear wave and mutually carry out ultrasound examination The field of operation.
Description of the drawings
The structure diagram of Fig. 1 the utility model;
Fig. 2 is that cushion cap top view is drawn in the utility model embodiment 1;
Fig. 3 is that cushion cap top view is drawn in the utility model embodiment 2.
Specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
Referring to Fig. 1 and Fig. 2, by the use of the aluminium of thick 2cm areas 30cm*30cm as traction 1 raw material of cushion cap, according to 3*3 side 9 through holes and corresponding branch protecting groove position of the shape Array Design internal diameter with the big 1~2mm of sensor outer diameter, by wire cutting perforate, then lead to It crosses wire cutting and forms a wedge-shaped branch protecting groove, extract the wedge-shaped aluminium of 9 obtained during branch protecting groove and mounted respectively as rotation stop component 3 In the side of 9 transversal wave ultrasonic sensor array element 2, ensure its correctly coupling direction;It is fixed on and held using 4 inverted trapezoidal sliding blocks Four corners of platform bottom are as support feet 4.Support feet 4 is made of stiffer wear-resistant material, and bottom is designed as towards lead Wedge shape or cutting edge shape.The concrete component 5 of required detection is high-speed railway rail harden structure, in surface of concrete structure detection operation When, the transversal wave ultrasonic sensor array element 2 with rotation stop component 3 is freely seated in the through hole of pairing and can freely up and down move, only Turn 3 Matching installation of component in corresponding wedge-shaped branch protecting groove, prevent transversal wave ultrasonic sensor array element 2 from circumferentially rotating, form pass more Sensor array flexible suspension device.Multi-path synchronous ultrasonic instrument is connected, traction cushion cap 1, which utilizes, automates electric traction device It pulls and advances, draft gear includes traction rope 6, capstan winch 7, range-measurement system 8, servomotor 9 and electronic automatic control system, control Pace or distance are continuously detected concrete component 5 by phased-array technique, and the data of acquisition are carried out at signal Reason and image are shown in due course, find hidden danger that may be present in concrete medium structure.
Embodiment 2
Referring to Fig. 1 and Fig. 3, ultrasonic sensor array flexible drawing cushion cap of a kind of four side all with square groove, for testing Carry out Ultrasonic Examination in room.The fiber of long 20cm wide 10cm thickness 2cm is chosen as cushion cap material, reference implementation example 1, two placement transversal wave ultrasonic sensor array elements of four square groove positions of band respectively are cut out by wire cutting by designed hole position Mounting hole, using cut off 2 groups when cutting mounting hole totally 8 small square material as the rotation stop group of two ultrasonic sensors Part, is fixed on the surrounding of transversal wave ultrasonic sensor array element in the right direction, and four support feets made of traction wheel are fixed on Four bottom corners of cushion cap are equipped with the traction rope with distance scale in the direction of advance of cushion cap, a rudder are installed in afterbody 10.It connects a hair one and receives Multi-path synchronous ultrasonic instrument, manually pull traction rope and pull ultrasonic sensor synchronously same To mobile designed distance, the defects of concrete component hidden danger is progressively detected.To improve coupling ability, draw and be additionally provided on cushion cap Transversal wave ultrasonic sensor array element is acted on so that its probe is adjacent to the elastic reaction pressue device of workpiece to be checked, such as spring, rubber Deng guarantee sensor and the good couple state of detection faces.

Claims (9)

1. a kind of transversal wave ultrasonic sensor array couples concrete slab failure detector, it is characterised in that:Including the branch by bottom Traction cushion cap that spike is supported on workpiece to be checked, Multi-path synchronous ultrasonic instrument are connected to drive with traction cushion cap front end The draft gear of cushion cap movement is drawn, requires to offer installation according to transversal wave ultrasonic sensor array design on the traction cushion cap Through hole, transversal wave ultrasonic sensor array element are mounted in the through hole and can be free to move axially, each transversal wave ultrasonic sensor array element It is connected by signal transmssion line with the Multi-path synchronous ultrasonic instrument, the traction cushion cap, which is equipped with, prevents transversal wave ultrasonic from sensing The rotation stop component that device array element circumferentially rotates, the probe of the transversal wave ultrasonic sensor array element stretch out and tested work out of described through hole Part couples.
2. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute It is at least one piece of guide pad being pasted and fixed on transversal wave ultrasonic sensor array element side wall to state rotation stop component, the side wall of the through hole The guide groove to match with the guide pad is equipped with, the guide pad Matching installation is in the guide groove.
3. transversal wave ultrasonic sensor array according to claim 2 couples concrete slab failure detector, it is characterised in that:Institute The shape of guide pad is stated as wedge shape, rectangle or polygon.
4. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute Traction cushion cap is stated to be made of rigid material.
5. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute It states support feet to be made of stiffer wear-resistant material, the support foot bottom is designed as towards the wedge shape of lead or cutting edge shape.
6. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute Support feet is stated as traction wheel.
7. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute It states the configuration of traction cushion cap rear portion and rudder is installed.
8. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute It states to be additionally provided on traction cushion cap and acts on transversal wave ultrasonic sensor array element so that the elastic reaction that its probe is adjacent to workpiece to be checked adds Pressure device.
9. transversal wave ultrasonic sensor array according to claim 1 couples concrete slab failure detector, it is characterised in that:Institute Stating draft gear includes traction rope, capstan winch, range-measurement system, servomotor and electronic automatic control system.
CN201721559525.4U 2017-11-21 2017-11-21 A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector Active CN207440013U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721559525.4U CN207440013U (en) 2017-11-21 2017-11-21 A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721559525.4U CN207440013U (en) 2017-11-21 2017-11-21 A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector

Publications (1)

Publication Number Publication Date
CN207440013U true CN207440013U (en) 2018-06-01

Family

ID=62286862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721559525.4U Active CN207440013U (en) 2017-11-21 2017-11-21 A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector

Country Status (1)

Country Link
CN (1) CN207440013U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113373746A (en) * 2021-05-27 2021-09-10 高速铁路建造技术国家工程实验室 Track slab detection vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113373746A (en) * 2021-05-27 2021-09-10 高速铁路建造技术国家工程实验室 Track slab detection vehicle

Similar Documents

Publication Publication Date Title
CN104076089B (en) Automatic ultrasonic C scanning detection system for annular forging
CN102411032B (en) Industrial scale ultrasonic automatic scanning and imaging detection device
CN103529122B (en) A kind of Multifunctional two-way pipeline weld joint ultrasonic detects scanner
WO2018209838A1 (en) System for detecting hydrates near seafloor
CN110108794B (en) Adjustable contact force type ultrasonic guided wave damage detection system
CN205720099U (en) A kind of Air Coupling supersonic detection device of railroad track damage defect
CN107345938B (en) Building wall walking nondestructive inspection device
CN202256264U (en) Sound emission device for detecting damage failure of carbon fiber composite material
CN104787261B (en) Ship-side-hanging inland river departure ship draft measurement device and control method thereof
CN102507744A (en) Acoustic emission device and method for detecting destructive failure of carbon fiber composite material
CN107228903B (en) A kind of hydrophone linear array and preparation method thereof for concrete dam detection
CN207440013U (en) A kind of transversal wave ultrasonic sensor array couples concrete slab failure detector
CN207689438U (en) Supersonic guide-wave angle probe for rail examination
CN107340334A (en) Damage detecting method in a kind of underwater foundation body
CN206832987U (en) A kind of parameters,acoustic measurement apparatus of side scan sonar
CN102519717B (en) Ultrasonic reflectivity extraction system which detects revolution composition surface contact characteristic and method thereof
CN103727906A (en) Track operation device for using ground penetrating radar to measure thickness of retaining wall
CN106466191B (en) A kind of Portable medical supersonic detection device of high degree of automation
CN204415431U (en) High speed railway breaks rail monitoring system
CN203388852U (en) Magnetic resonance elastography detecting device
CN209198393U (en) Weld defect based on feature guided wave detects the time-sharing exciting system of dedicated array-type sensor
CN202644592U (en) Line lifting device for foundation pile ultrasonic testing
CN205982178U (en) Rail welding seam ultrasound imaging detecting system based on two array probe
CN205049525U (en) Self -adaptation ultrasonic transducer module
CN205301248U (en) Pipe ring welding seam supersound automated inspection is with probe clamping device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant