CN110426452B - Ultrasonic probe operating device with pressure sensor - Google Patents
Ultrasonic probe operating device with pressure sensor Download PDFInfo
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- CN110426452B CN110426452B CN201910545635.2A CN201910545635A CN110426452B CN 110426452 B CN110426452 B CN 110426452B CN 201910545635 A CN201910545635 A CN 201910545635A CN 110426452 B CN110426452 B CN 110426452B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
- G01N29/226—Handheld or portable devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic probe operating device with a pressure sensor, which belongs to the field of ultrasonic flaw detection auxiliary devices, and adopts the technical scheme that the ultrasonic probe operating device with the pressure sensor comprises a probe seat, wherein the probe seat comprises a base and a connecting block which slides with the base, the base is provided with an installation through hole for installing the probe, the side wall of a shell is in threaded connection with an adjusting bolt, the adjusting bolt penetrates through the side wall of the shell and extends into the installation through hole, the connecting block is provided with a pressure detection device, and the pressure detection device comprises a pressure sensor for detecting the pressure between the base and the connecting block, a controller electrically connected with the pressure sensor and a display screen electrically connected with the controller. The invention has the effect of displaying the pressure between the probe and the workpiece.
Description
Technical Field
The invention relates to the technical field of ultrasonic flaw detection auxiliary devices, in particular to an ultrasonic probe operating device with a pressure sensor.
Background
Ultrasonic flaw detection is a method for detecting the flaw of a part by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section.
At present, a common ultrasonic probe is an oblique probe, and comprises a probe body and an oblique wedge positioned at the lower end of the probe body, wherein a piezoelectric wafer and a damping block are arranged in the probe body, and the oblique wedge is made of organic glass and used for transmitting ultrasonic waves and protecting the probe. During detection, firstly performing rough detection, enabling the probe to abut against a workpiece and be positioned on one side of a welding seam, and then performing zigzag movement along the length direction of the welding seam; and after the welding seam is found, fine inspection is carried out, and the probe is slowly moved to find the accurate position of the welding seam.
The above prior art solutions have the following drawbacks: when detecting, need the manual work to apply certain pressure to the probe, make all the other measured work pieces closely laminate, can accelerate the wearing and tearing of probe when the pressure of applying is too big, then can influence the precision that detects when the too little meeting of applying force reduces, needs the teacher's of certain work experience master can just hold this dynamics, leads to the size of the unable accurate assurance applied pressure of new hand.
Disclosure of Invention
The invention aims to provide an ultrasonic probe operating device with a pressure sensor, which is characterized in that the pressure sensor is arranged on a probe seat, so that the pressure between a probe and a workpiece can be displayed, and a novice can also accurately apply the required pressure.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pressure sensor ultrasonic probe operating means, includes the probe seat, the probe seat includes the base and the connecting block that slides with the base, the installation through-hole that is used for installing the probe is seted up to the base, shell lateral wall threaded connection has adjusting bolt, the lateral wall of the shell that adjusting bolt passed is and extend to in the installation through-hole, the connecting block is provided with pressure detection device, pressure detection device is including the pressure sensor who detects pressure between base and the connecting block, the controller be connected with the pressure sensor electricity and the display screen be connected with the controller electricity.
Through adopting above-mentioned technical scheme, install ultrasonic transducer on the base, utilize the handheld connecting block of operator to exert pressure to the probe through the connecting block, pressure between probe and the work piece equals the pressure between base and the connecting block to pressure sensor can detect the pressure between probe and the work piece and make it show on the display screen through the controller, thereby can let the accurate assurance of novice exert the size of force.
The invention is further configured to: the base is fixedly connected with four vertical rods, the upper ends of the vertical rods penetrate through the connecting blocks, and the vertical rods and the connecting blocks are connected in a sliding mode.
Through adopting above-mentioned technical scheme, utilize the montant to lead to the slip direction of base and connecting block, reduce the influence to the measured data of horizontal direction.
The invention is further configured to: still include the frame and slide and connect in the sliding structure of frame, sliding structure includes radial sliding connection in the threaded rod of frame, connecting block and threaded rod threaded connection, the frame is provided with drive threaded rod pivoted drive structure.
By adopting the technical scheme, the ultrasonic probe is arranged on the probe seat, the drive structure is utilized to drive the threaded rod to rotate, the threaded rod rotates to drive the probe seat to move along the axis of the threaded rod, and then the sliding structure is pushed by hands to reciprocate to slide along the radial direction of the threaded rod, so that the zigzag movement of the ultrasonic probe is realized; during detection, the ultrasonic probe can be moved only by rotating the threaded rod and sliding the sliding structure, so that the operation is simplified, and longer welding seams can be detected more laborsavingly.
The invention is further configured to: the connecting block includes first board and second board, threaded rod and guide bar are connected with the first board, the cover on the montant is equipped with the spring, the second board is contradicted in the one end that the base was kept away from to the spring, first board threaded connection has the pressure bolt of perpendicular to second board, pressure sensor fixed connection is in the second board, pressure bolt passes first board and contradicts in pressure sensor's contact jaw.
Through adopting above-mentioned technical scheme, can change the distance between second board and the base through rotating the pressure bolt to the pressure of spring to the base has been changed, and then the pressure between probe and the work piece has been changed.
The invention is further configured to: the sliding structure further comprises sliding seats connected to two sides of the rack in a sliding mode, the sliding seats are connected with the side wall of the rack in a sliding mode, and two ends of the threaded rod are rotatably connected to the sliding seats.
Through adopting above-mentioned technical scheme, the threaded rod rotates to be connected on the seat that slides, then makes the seat sliding connection that slides in the frame, utilizes the seat that slides to make the threaded rod rotate and radially slide relative to the frame, makes connection structure more stable.
The invention is further configured to: the frame includes two parallel arrangement's curb plate and fixed connection the slide bar between two curb plates, the slide bar is parallel to each other, two the seat of sliding overlaps respectively on to the slide bar and both are the connection of sliding.
Through adopting above-mentioned technical scheme, make the seat that slides be the connection of sliding with the pole that slides to make the seat cover that slides arrange the pole that slides in, make the pole that slides and the seat connection structure that slides more stable.
The invention is further configured to: and a guide rod parallel to the threaded rod is fixedly connected between the two sliding seats, and the probe seat is sleeved on the guide rod and is connected with the guide rod in a sliding manner.
Through adopting above-mentioned technical scheme, utilize the guide bar to lead for the probe seat to prevent that the probe seat from rotating along with the threaded rod.
The invention is further configured to: the driving structure comprises a turntable which is coaxially and fixedly connected to one end of the threaded rod.
Through adopting above-mentioned technical scheme, when needing to rotate the threaded rod, rotate the carousel, then utilize the carousel drive threaded rod to rotate to can be more laborsaving rotate the threaded rod, more laborsaving drive probe slides.
The invention is further configured to: the drive structure still includes that one end articulates in the connecting rod of frame lateral wall, the one end that the frame was kept away from to the connecting rod articulates in the carousel lateral wall of keeping away from the threaded rod, the pin joint of connecting rod and carousel is located the edge of carousel, articulated axis between connecting rod and the frame and the articulated axis between connecting rod and the carousel all are parallel with the threaded rod.
Through adopting above-mentioned technical scheme, the swing connecting rod, the one end that the connecting rod is close to the carousel is not stopped rotates round the carousel to the rotation that the drive threaded rod does not stop, and the unable horizontal migration of connecting rod one end, and then the reciprocal level that makes the threaded rod not stop slides, and the zigzag of probe has been realized to the swing connecting rod and has removed, makes ultrasonic detection more laborsaving.
The invention is further configured to: the one end fixedly connected with handle that the carousel was kept away from to the connecting rod, the handle is perpendicular with the axis of rotation of connecting rod.
Through adopting above-mentioned technical scheme, utilize the handle swing connecting rod to swing connecting rod that can be more laborsaving makes operating means use simple and convenient more.
In conclusion, the invention has the following beneficial effects:
firstly, an ultrasonic probe is arranged on a base, the base is connected with a connecting block in a sliding manner, and the pressure between the probe and a workpiece is equal to the pressure between the base and the connecting block, so that the pressure between the probe and the workpiece can be detected by a pressure sensor and displayed on a display screen through a controller, and a novice can accurately grasp the magnitude of applied force;
secondly, a probe seat provided with a probe is in threaded connection with a threaded rod, the threaded rod slides radially relative to the rack, and during detection, the ultrasonic probe can move only by rotating the threaded rod and sliding the sliding structure, so that the operation is simplified, and a longer weld joint can be detected in a more labor-saving manner;
thirdly, one end of the threaded rod is coaxially and fixedly connected with a rotary table, the side wall of the rotary table is hinged with a connecting rod, the other end of the connecting rod is hinged with the rack, the connecting rod is swung, one end, close to the rotary table, of the connecting rod continuously rotates around the rotary table, so that the threaded rod is driven to continuously rotate, one end of the connecting rod cannot horizontally move, the threaded rod continuously reciprocates to horizontally slide, the swing connecting rod achieves sawtooth-shaped movement of the probe, and ultrasonic detection is more labor-saving;
the connecting block comprises a first plate and a second plate, a spring is arranged between the second plate and the base, the first plate is in threaded connection with a pressurizing bolt perpendicular to the second plate, the pressure sensor is fixedly connected to the second plate, the pressurizing bolt penetrates through the first plate and abuts against a contact end of the pressure sensor, the distance between the second plate and the base can be changed by rotating the pressurizing bolt, the pressure of the spring on the base is changed, and the pressure between the probe and the workpiece is further changed.
Drawings
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a probe holder according to the present embodiment.
Reference numerals: 1. a frame; 2. a sliding structure; 3. a drive structure; 4. a side plate; 5. a slide bar; 6. a threaded rod; 7. a sliding seat; 8. a probe base; 9. a guide bar; 10. mounting a through hole; 11. adjusting the bolt; 12. a turntable; 13. a connecting rod; 14. a handle; 15. a base; 16. connecting blocks; 17. a first plate; 18. a second plate; 19. a spring; 20. a pressure sensor; 21. a compression bolt; 22. a vertical rod; 23. a pressure detection device; 24. a controller; 25. a display screen.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): an ultrasonic probe operating device with a pressure sensor is shown in figure 1 and comprises a machine frame 1, a sliding structure 2, a driving structure 3 and a probe seat 8. Probe seat 8 is used for installing the probe, and probe seat 8 slides and connects in sliding structure 2, and sliding structure 2 slides and connects in frame 1, and drive structure 3 drive sliding structure 2 slides to drive the probe and slide.
As shown in fig. 1, the frame 1 includes two side plates 4 and two sliding rods 5, the two side plates 4 are both vertically disposed and parallel to each other, the two sliding rods 5 are horizontally and fixedly connected between the two side plates 4, and the sliding rods 5 are parallel to each other.
As shown in fig. 1, the sliding structure 2 comprises a threaded rod 6, a sliding seat 7 and a guide rod 9. The sliding seats 7 are two and are respectively sleeved on the two guide rods 9, and the sliding seats 7 are connected with the guide rods 9 in a sliding mode. Threaded rod 6 is horizontal setting and perpendicular with guide bar 9, and threaded rod 6 both ends rotate with two seats 7 that slide respectively and are connected. The probe seat 8 is used for mounting a probe and is in threaded connection with the threaded rod 6, and the probe seat 8 can be horizontally moved along the axial direction of the threaded rod 6 by rotating the threaded rod 6. The guide rod 9 is horizontally and fixedly connected between the two sliding seats 7, and the probe seat 8 is sleeved on the guide rod 9 and is connected with the guide rod 9 in a sliding manner. The guide rod 9 is used to guide the probe block 8 and prevent the probe block 8 from rotating as the threaded rod 6 rotates. The threaded rod 6 is rotated and the sliding structure 2 is made to slide back and forth along the radial direction of the threaded rod 6, so that the zigzag movement of the ultrasonic probe is realized.
As shown in fig. 2, drive structure 3 includes carousel 12 and connecting rod 13, and the coaxial fixed connection of carousel 12 is in threaded rod 6 one end, and connecting rod 13 one end articulates in frame 1 lateral wall, and the other end articulates in carousel 12 and keeps away from the lateral wall of threaded rod 6, and the pin joint of connecting rod 13 and carousel 12 is located the edge of carousel 12, and the articulated axis between connecting rod 13 and the frame 1 and the axis of connection between connecting rod 13 and carousel 12 all are parallel with threaded rod 6. Swing connecting rod 13, the one end that connecting rod 13 is close to carousel 12 is ceaselessly rotated round carousel 12 to the rotation that drive threaded rod 6 is ceaselessly, and the unable horizontal migration of connecting rod 13 one end, and then the reciprocal horizontal slip that makes threaded rod 6 ceaselessly, swing connecting rod 13 has realized the zigzag of probe and has removed, makes ultrasonic detection more laborsaving. One end of the connecting rod 13, which is far away from the turntable 12, is fixedly connected with a rod-shaped handle 14, the handle 14 is perpendicular to the rotating axis of the connecting rod 13, and the connecting rod 13 is swung by the handle 14, so that the connecting rod 13 can be swung more easily, and the operating device is simpler and more convenient to use.
As shown in fig. 3, the probe holder 8 includes a base 15 and a connecting block 16 slidably connected to the base 15. The base 15 is rectangular, a rectangular mounting through hole 10 penetrating through the lower end face of the base is formed in the upper end face of the base, an adjusting bolt 11 is in threaded connection with the side wall of the base 15, and the adjusting bolt 11 penetrates through the side wall of the probe seat 8 and extends into the mounting through hole 10. The probe is placed in the mounting through hole 10, and then the probe is locked by the adjusting bolt 11, so that the structure is simple, and the mounting of the probe is convenient. The base 15 is fixedly connected with four vertical rods 22, the upper ends of the vertical rods 22 penetrate through the connecting block 16, and the two are connected in a sliding mode. The vertical rod 22 is used for guiding the sliding direction of the base 15 and the connecting block 16, so that the influence of the horizontal direction on the detection data is reduced.
As shown in fig. 3, the connecting block 16 includes a first plate 17 and a second plate 18. The threaded rod 6 is in threaded connection with the first plate 17, and the guide rod 9 is in sliding connection with the first plate 17. The second plate 18 is located below the first plate 17, and both are connected with the vertical rod 22 in a sliding manner. The vertical rod 22 is sleeved with a spring 19, and the second plate 18 props against one end of the spring 19 far away from the base 15. The first plate 17 is threadedly attached with a pressing bolt 21 perpendicular to the second plate 18, and the pressing bolt 21 passes through the first plate 17 and abuts against the second plate 18. The distance between the second plate 18 and the base 15 can be varied by turning the pressure bolt 21, thereby varying the pressure of the spring 19 against the base 15 and hence the pressure between the probe and the workpiece. The joint block 16 is provided with a pressure detecting device 23 that detects the pressure between the base 15 and the joint block 16. The pressure detection device 23 includes a pressure sensor 20, a controller 24, and a display screen 25. The pressure sensor 20 is fixedly connected to the upper end face of the second plate 18, the pressure bolt 21 abuts against the pressure sensor 20, the control unit 24 and the display screen 25 are fixedly connected to the first plate 17, the pressure sensor 20 and the display screen 25 are both electrically connected to the controller 24, and the pressure sensor 20 can detect the pressure between the probe and the workpiece and can display the pressure on the display screen through the controller 24. The pressure sensor 20 is preferably an Endevco pressure sensor 8515C-15 sheet type device in the United states, and the controller 24 is preferably a 51-chip microcomputer.
The specific working process is as follows: during detection, the workpiece to be detected is placed on the desktop, and then the operating device is placed on the desktop, so that the workpiece to be detected is located below the operating device. The probe is placed in the installation through hole 10 to enable the probe to abut against the surface of the workpiece to be measured, and then the probe is locked by the adjusting bolt 11. The pressure between the probe and the workpiece is adjusted by applying pressure to the second plate 18 with the pressure bolt 21 so that the pressure therebetween is within a suitable range. Utilize handle 14 swing connecting rod 13, connecting rod 13 swings, and connecting rod 13 is close to the one end of carousel 12 and does not stop round carousel 12 rotates to the rotation that drive threaded rod 6 does not stop, and the unable horizontal migration of connecting rod 13 one end, and then the reciprocal level that makes threaded rod 6 do not stop slides, and swing connecting rod 13 has realized the zigzag of probe and has removed, makes ultrasonic detection more laborsaving.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (2)
1. An ultrasonic probe operating device with a pressure sensor, comprising a probe holder (8), characterized in that: the probe seat (8) comprises a base (15) and a connecting block (16) which slides with the base (15), the base (15) is provided with a mounting through hole (10) for mounting a probe, the side wall of the base (15) is in threaded connection with an adjusting bolt (11), the adjusting bolt (11) penetrates through the side wall of the shell and extends into the mounting through hole (10), the connecting block (16) is provided with a pressure detection device (23), and the pressure detection device (23) comprises a pressure sensor (20) for detecting the pressure between the base (15) and the connecting block (16), a controller (24) electrically connected with the pressure sensor (20) and a display screen (25) electrically connected with the controller (24); the base (15) is fixedly connected with four vertical rods (22), the upper ends of the vertical rods (22) penetrate through the connecting block (16), and the vertical rods and the connecting block are connected in a sliding mode; the sliding mechanism is characterized by further comprising a rack (1) and a sliding structure (2) connected to the rack (1) in a sliding mode, wherein the sliding structure (2) comprises a threaded rod (6) connected to the rack (1) in a sliding mode in the radial direction, the connecting block (16) is in threaded connection with the threaded rod (6), and the rack (1) is provided with a driving structure (3) for driving the threaded rod (6) to rotate; the connecting block (16) comprises a first plate (17) and a second plate (18), the threaded rod (6) and the guide rod (9) are connected with the first plate (17), a spring (19) is sleeved on the vertical rod (22), the second plate (18) abuts against one end, far away from the base (15), of the spring (19), the first plate (17) is in threaded connection with a pressurizing bolt (21) perpendicular to the second plate (18), the pressure sensor (20) is fixedly connected to the second plate (18), and the pressurizing bolt (21) penetrates through the first plate (17) and abuts against a contact end of the pressure sensor (20); the sliding structure (2) further comprises sliding seats (7) which are connected to two sides of the rack (1) in a sliding mode, the sliding seats (7) are connected with the side wall of the rack (1) in a sliding mode, and two ends of the threaded rod (6) are connected to the sliding seats (7) in a rotating mode; the rack (1) comprises two side plates (4) which are arranged in parallel and a sliding rod (5) which is fixedly connected between the two side plates (4), the sliding rods (5) are parallel to each other, the two sliding seats (7) are respectively sleeved on the sliding rod (5) and are in sliding connection; a guide rod (9) parallel to the threaded rod (6) is fixedly connected between the two sliding seats (7), the probe seat (8) is sleeved on the guide rod (9) and is connected with the guide rod (9) in a sliding manner; the driving structure (3) comprises a rotary disc (12) which is coaxially and fixedly connected with one end of the threaded rod (6); the driving structure (3) further comprises a connecting rod (13) with one end hinged to the side wall of the rack (1), one end, far away from the rack (1), of the connecting rod (13) is hinged to the side wall, far away from the threaded rod (6), of the rotary table (12), the hinged point of the connecting rod (13) and the rotary table (12) is located at the edge of the rotary table (12), and the hinged axis between the connecting rod (13) and the rack (1) and the hinged axis between the connecting rod (13) and the rotary table (12) are parallel to the threaded rod (6); during detection, a workpiece to be detected is positioned below the operating device, the probe is placed in the installation through hole (10) and is abutted against the workpiece to be detected, and the probe is locked by the adjusting bolt (11); applying pressure to the second plate (18) by using the pressure bolt (21) to adjust the pressure between the probe and the workpiece to be tested; swing connecting rod (13), connecting rod (13) are close to the one end of carousel (12) is ceaselessly round carousel (12) rotates to the drive rotation that threaded rod (6) are ceaselessly, and then make reciprocal horizontal slip that threaded rod (6) are ceaselessly realizes the zigzag of probe removes.
2. The ultrasonic probe operating device with a pressure sensor according to claim 1, wherein: one end of the connecting rod (13) far away from the turntable (12) is fixedly connected with a handle (14), and the handle (14) is vertical to the rotating axis of the connecting rod (13).
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| CN201910545635.2A CN110426452B (en) | 2019-06-22 | 2019-06-22 | Ultrasonic probe operating device with pressure sensor |
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| CN201910545635.2A CN110426452B (en) | 2019-06-22 | 2019-06-22 | Ultrasonic probe operating device with pressure sensor |
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| CN110426452B true CN110426452B (en) | 2022-01-11 |
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| CN111157626B (en) * | 2020-01-02 | 2021-05-28 | 西安交通大学 | Clamping system for quantitatively adjusting fitting pressure of ultrasonic phased array probe |
| CN112067694B (en) * | 2020-09-22 | 2023-04-28 | 江苏方天电力技术有限公司 | Ultrasonic detection scanning device for bolts |
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| CN103035156A (en) * | 2012-11-15 | 2013-04-10 | 江苏慧硕科教仪器有限公司 | B-type ultrasonic wave principle demonstration experiment instrument for teaching |
| CN103860202B (en) * | 2014-03-21 | 2015-09-16 | 南京科进实业有限公司 | Based on the ultrasonic probe automatic positioning method that air bag promotes and air pressure detects |
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