CN220690858U - Ultrasonic method detects concrete member crack device - Google Patents

Abstract

The utility model provides an ultrasonic method detects concrete member crack device, including main scale and ultrasonic transducer, the one side mark of main scale has the scale mark, the one end of main scale is provided with first mark portion, first mark groove has been seted up on the first mark portion, it is provided with the slider to slide on the main scale, the slider is including sliding the slider that sets up in the main scale, set up the last extension board on the slider and set up the lower extension board on the slider, the lower extension board is provided with the reading line, be provided with second mark portion on the slider, second mark groove has been seted up on the second mark portion, ultrasonic transducer includes first transducer and second transducer, first transducer and second transducer set up respectively on corresponding first mark groove and on the second mark groove, be provided with the fixed subassembly that is used for fixed slider and main scale on the slider. The ultrasonic transducer testing device has the advantages of improving stability of the ultrasonic transducer during detection and improving accuracy of testing data.

Description

Ultrasonic method detects concrete member crack device

Technical Field

The utility model relates to the technical field of construction buildings, in particular to a device for detecting cracks of a concrete member by an ultrasonic method.

Background

With the rapid development and urban promotion of the building industry in China, building concrete structures are increasingly widely applied in daily life. And in the process of pouring and using the concrete structure, cracks appear in the concrete structure due to various factors. In order to ensure the bearing capacity and the service life of the concrete structure, it is particularly important to detect cracks of the concrete structure in time. Among them, the ultrasonic method is an effective method for non-destructive detection of the depth of cracks in a concrete structure.

Before using ultrasonic method to detect the crack, the detector first needs to mark the test space on the concrete surface with a steel ruler, then the hand-held ultrasonic transducer is coupled to the marked position, and the depth of the concrete crack is detected by ultrasonic method.

However, the error of the mark is easily caused by the position shift of the caliper in the marking process of the tester, and the data deviation is easily caused by the shaking of the tester when the tester holds the ultrasonic transducer, which can seriously affect the accuracy of the final test result.

Disclosure of Invention

In order to solve the problems that an existing tester easily moves in a position to cause errors in marking and data deviation is caused by shaking when the tester holds an ultrasonic transducer, the application provides an ultrasonic method concrete member crack detection device.

The application provides an ultrasonic method detects concrete member crack device adopts following technical scheme:

the utility model provides an ultrasonic method detects concrete member crack device, includes main scale and ultrasonic transducer, the scale mark has been marked to one side of main scale, the one end of main scale is provided with first mark portion, first mark portion is last to have seted up first mark groove, it is provided with the slider to slide on the main scale, the slider including slide set up in the slider of main scale, set up in last extension board on the slider and set up in lower extension board on the slider, lower extension board is provided with the reading line, be provided with second mark portion on the slider, the second mark portion is last to have seted up the second mark groove, ultrasonic transducer includes first transducer and second transducer, first transducer with the second transducer set up respectively in corresponding on the first mark groove with on the second mark groove, be provided with on the slider and be used for fixing the slider with the fixed subassembly of main scale.

Through adopting above-mentioned technical scheme, the inspector is fixed the setting respectively on first mark groove and second mark groove with first transducer and second transducer in advance. And (3) abutting the cushion block on the main scale on the concrete surface, and sliding the sliding block until the reading line is aligned with the corresponding scale line according to the specified test interval. At this time, through the group of fixed subassembly usefulness, restriction sliding block slides on the main scale, and then reduces because of the sliding block appears rocking the appearance that leads to the error. And finally, detecting the surface of the concrete to obtain the required depth of the concrete crack. Through the effect of fixed subassembly, the restriction sliding block takes place to slide and then leads to the appearance of error on the main scale, has solved the problem that the test personnel appears moving the position easily at mark in-process slide caliper rule and leads to the mark to appear the error. The first transducer and the second transducer are respectively fixedly arranged on the first marking groove and the second marking groove, so that the stability of the first transducer and the second transducer is enhanced, and the problem that data deviation is caused by shaking easily when a tester holds the ultrasonic transducer is solved.

Preferably, the fixing assembly comprises a fixing hole formed in one side, close to the upper extension plate, of the sliding block and a fastening screw in threaded connection with the fixing hole.

Through adopting above-mentioned technical scheme, through threaded connection between fastening screw and the fixed orifices to fix sliding block and main scale, and then limit sliding block and slide in the length direction of main scale, reduce because of rocking the mistake that brings and insert, improved the accuracy of data detection.

Preferably, a gasket is arranged between the fastening screw and the sliding block.

Through adopting above-mentioned technical scheme, the gasket is used for increasing the frictional force between fastening screw and the sliding block to reduce the emergence of the not hard up condition of fastening screw.

Preferably, the clamping assembly comprises a compression spring arranged in the spring cavity and a clamping block arranged on the compression spring, one end of the compression spring is fixedly arranged on the clamping block, the other end of the compression spring is fixedly arranged on the inner wall of the spring cavity, and the first energy converter is provided with a clamping groove which is in plug-in fit with the clamping block.

By adopting the technical scheme, when the first energy converter is abutted with the clamping block, the compression spring is compressed by the abutting force and drives the clamping block to slide into the spring cavity. And the compression spring releases elastic potential energy until the clamping block is opposite to the clamping groove, and drives the clamping block to extend out of the spring cavity and be clamped and matched with the clamping groove. Through the effect of the joint of fixture block and draw-in groove, fixed first transducer and the connection between the first mark portion can improve the stability of first transducer at the in-process that detects, further ensures the accuracy of detection data.

Preferably, a pull rod is arranged on the inner wall of the clamping block facing the spring cavity, a sliding cavity is arranged on the first marking part, the pull rod is in sliding fit with the spring cavity and the sliding cavity, and one end of the pull rod extends out of the sliding cavity

Through adopting above-mentioned technical scheme, when the pull rod slides along the length direction in chamber that slides, drive the fixture block and slide to the spring intracavity, fixture block and draw-in groove cancellation joint relation this moment can dismantle first transducer.

Preferably, a hooking part is arranged on the inner wall of the first marking groove, and a hooking block matched with the hooking part in a hooking way is arranged on one side of the first transducer.

Through adopting above-mentioned technical scheme, through the hook cooperation of hook portion and hook piece, reduced the possibility that first transducer drops from first mark groove.

Preferably, two opposite sides of the second transducer are provided with sliding blocks, the sliding blocks are provided with separation threaded holes and abutting threaded holes, the lower extending plate is provided with through holes, the through holes are provided with threaded rods in a penetrating mode, and the threaded rods are in threaded connection with the separation threaded holes and the abutting threaded holes.

Through adopting above-mentioned technical scheme, through promoting the slider, make the perforation respectively with separation screw hole and butt screw hole relative to realize the purpose of second transducer butt or separation in concrete surface. And is connected with the second marking part through screw threads, so that the second ring energy device and the second marking part are fixed.

Preferably, cushion blocks are arranged at one sides of the two ends of the main ruler, which are away from the upper extension plate.

Through adopting above-mentioned technical scheme, the gasket is used for with concrete surface butt, the activity space of backing up the main scale and providing the slip to the slider ensures that the first transducer reduces the condition that appears damaging when moving the slider.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the effect of fixed subassembly, the restriction sliding block takes place to slide and then leads to the appearance of error on the main scale, has solved the problem that the test personnel appears moving the position easily at mark in-process slide caliper rule and leads to the mark to appear the error. The first transducer and the second transducer are respectively fixedly arranged on the first marking groove and the second marking groove, so that the stability of the first transducer and the second transducer is enhanced, and the problem that data deviation is caused by shaking easily when a tester holds the ultrasonic transducer is solved;

2. through the effect of the joint of fixture block and draw-in groove, fixed first transducer and the connection between the first mark portion can improve the stability of first transducer at the in-process that detects, further ensures the accuracy of detection data.

Drawings

Fig. 1 is a schematic diagram of the overall structure in the present embodiment.

Fig. 2 is a schematic cross-sectional view showing the first transducer in assembled relation with the first marker.

Fig. 3 is a schematic cross-sectional view for showing hooking relation between the hooking portion and the hooking block.

Fig. 4 is an exploded schematic view for showing the assembled relationship of the second energy container and the second marking portion.

Reference numerals illustrate: 1. a main scale; 2. an ultrasonic transducer; 3. scale marks; 4. a sliding member; 5. a sliding block; 6. an upper extension plate; 7. a lower extension plate; 8. a reading line; 9. a fixing hole; 10. a fastening screw; 11. a gasket; 12. a cushion block; 13. a limiting block; 14. a first marking part; 15. a second marking section; 16. a first marking slot; 17. a second marking slot; 18. a first transducer; 19. a second transducer; 20. a spring cavity; 21. a compression spring; 22. a clamping block; 23. a pull rod; 24. a sliding cavity; 25. a clamping groove; 26. an inclined surface; 27. a hooking part; 28. a hook block; 29. a slide block; 30. a chute; 31. separating the threaded holes; 32. abutting against the threaded hole; 33. perforating; 34. and (5) a bolt.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1, the ultrasonic device for detecting the cracks of the concrete member comprises a main scale 1 and an ultrasonic transducer 2 which is arranged in a circular truncated cone shape, wherein the main scale 1 is arranged in a square strip shape, and one side of the main scale 1 is marked with scale marks 3. The main scale 1 is provided with a sliding piece 4 in a sliding sleeve manner. Specifically, the sliding member 4 includes a sliding block 5 slidably mounted on a side of the main scale 1 where no scale mark 3 is marked, an upper extension plate 6 mounted on the sliding block 5, and a lower extension plate 7 mounted on the sliding block 5. Wherein, slider 5 is font setting and half parcel in main scale 1, slider 5 slides for the length direction of main scale 1. The upper extension plate 6 and the lower extension plate 7 are respectively and fixedly arranged on two sides of the opening of the sliding block 5, and the lower extension plate 7 is marked with a reading line 8. When the sliding block 5 is pushed to slide relative to the length direction of the main scale 1, the sliding block 5 drives the lower extending plate 7 to slide while sliding, at the moment, the reading line 8 also slides along with the lower extending plate 7, and then according to a specified test interval, the sliding block 5 slides until the reading line 8 is aligned with the corresponding scale line 3.

Referring to fig. 1, a fixing assembly is provided on the sliding block 5, and the fixing assembly is used for fixing the sliding block 5 and limiting the sliding block 5 to slide along the length direction of the main scale 1. Specifically, the fixing assembly comprises a fixing hole 9 formed in one side of the sliding block 5, which is close to the upper extension plate 6, and a fastening screw 10 in threaded connection with the fixing hole 9. The fastening screw 10 is sleeved with the gasket 11, the gasket 11 is located between the fastening screw 10 and the sliding block 5, and the gasket 11 is used for increasing friction force between the fastening screw 10 and the sliding block 5, so that the occurrence of loosening of the fastening screw 10 is reduced. Both ends of the main scale 1 are provided with cushion blocks 12, the cushion blocks 12 are positioned on one side of the main scale 1, which is away from the upper extension plate 6, the cushion blocks 11 are used for being abutted with the surface of concrete, and the main scale 1 is lifted up and a sliding space is provided for the sliding block 5. A limiting block 13 is installed at one end of the main scale 1 far away from the first marking part 14, and the limiting block 13 is used for limiting the sliding block 5 to drop off from the main scale 1.

Referring to fig. 1, a first marking part 14 is installed at one end of the main scale 1, a second marking part 15 is installed at one side of the sliding block 5 near the lower extension plate 7, a first marking groove 16 is formed in the first marking part 14, a second marking groove 17 is formed in the second marking part 15, the first marking groove 16 and the second marking groove 17 are all semicircular, and the first marking groove 16 and the second marking groove 17 penetrate through the upper surface and the lower surface of the corresponding first marking part 14 and second marking part 15 respectively. The size of the first marking slot 16 and the size of the second marking slot 17 are matched with the size of the ultrasonic transducer 2, wherein the ultrasonic transducer 2 comprises a first transducer 18 and a second transducer 19, the first transducer 18 is arranged on the first marking slot 16, and the second transducer 19 is arranged on the second marking slot 17.

Referring to fig. 2, a spring cavity 20 is formed in the first marking portion 14, the spring cavity 20 is cylindrically formed, and the spring cavity 20 communicates with the first marking groove 16. Two clamping assemblies are arranged in the first marking part 14, the two clamping assemblies are arranged oppositely, and the clamping assemblies are used for fixing the connection between the first transducer 18 and the first marking part 14. The clamping assembly comprises a compression spring 21 arranged in the spring cavity 20, a clamping block 22 arranged on the compression spring 21 and a pull rod 23 connected to the clamping block 22. Wherein, one end of the compression spring 21 is fixedly installed on the inner wall of the spring cavity 20 facing the clamping block 22, and the other end is fixedly installed on one side of the clamping block 22 facing the spring cavity 20, when the compression spring 21 is under natural condition without external force, the compression spring 21 makes the clamping block 22 extend out of the spring cavity 20. The pull rod 23 is L-shaped, the compression spring 21 sleeve is located the one end that the pull rod 23 is close to fixture block 22, the chamber 24 that slides has been seted up to one side that the first mark portion 14 is close to lower extension board 7, the chamber 24 that slides is the square setting, the pull rod 23 all slides with the length direction in spring chamber 20 in chamber 24 that slides, and the one end that the pull rod 23 kept away from fixture block 22 stretches out to outside the chamber 24 that slides, one side of first transducer 18 has been seted up with fixture block 22 joint complex draw-in groove 25. One side of the clamping block 22 is provided with an inclined surface 26 for enabling the clamping block 22 to avoid the first transducer 18.

Referring to fig. 3, a hooking portion 27 is mounted on an inner wall of the first marking groove 16, and the hooking portion 27 is provided in an L-shape. A hook block 28 in hooking fit with the hooking part 27 is installed on one side of the first transducer 18, and the hook block 28 is in an L-shaped arrangement. By the hooking engagement of the hooking portion 27 and the hooking piece 28, the possibility of the first transducer 18 falling off from the first marking groove 16 is reduced. In addition, referring to fig. 2, when the hooking portion 27 is hooked with the hooking block 28, the clamping block 22 is engaged with the clamping groove 25.

Referring to fig. 4, two opposite sides of the second transducer 19 are provided with sliding blocks 29, the sliding blocks 29 are square, a sliding groove 30 for sliding fit of the sliding blocks 29 is formed in the second marking portion 15, the sliding groove 30 is square, and the sliding blocks 29 slide along the length direction of the sliding groove 30. The slider 29 is provided with a separation screw hole 31 and an abutment screw hole 32, and the separation screw hole 31 is located above the abutment screw hole 32. The separation screw hole 31 and the abutment screw hole 32 penetrate through the upper and lower surfaces of the slider 29, and two through holes 33 are formed in one side of the second mark portion 15, and the two through holes 33 are respectively communicated with the corresponding slide grooves 30. The through hole 33 is penetrated by a bolt 34, and the bolt 34 is in threaded connection with the separation threaded hole 31 and the abutting threaded hole 32. When the slider 29 slides relative to the runner 30 to the point that the through hole 33 is opposite the abutment screw hole 32, the torsion bolt 34 is screwed with the abutment screw hole 32, thereby fixing the connection between the second transducer 19 and the second marker 15, at which time the second transducer 19 abuts against the concrete surface. When the slider 29 is slid relative to the runner 30 to the point that the through hole 33 is opposite the separation screw hole 31, the twist bolt 34 is screwed with the separation screw hole 31, thereby fixing the connection between the second transducer 19 and the second marker 15, at which time the second transducer 19 is separated from the concrete surface.

The implementation principle of the application is as follows: the inspector inserts the hook block 28 of the first transducer 18 towards the hooking part 27 in advance, so that the hooking part 27 is hooked and matched with the hook block 28, meanwhile, the clamping block 22 is abutted with the first transducer 18, the compression spring 21 is compressed under the action of the abutting force, the clamping block 22 is driven to slide into the spring cavity 20 until the clamping block 22 is opposite to the clamping groove 25, the compression spring 21 is released by elastic potential energy without the action of the abutting force, and the clamping block 22 extends out of the spring cavity 20 and is clamped and matched with the clamping groove 25, so that the purpose of fixing the first transducer 18 and the first marking part 14 is achieved. The slider 29 of the second transducer 19 is inserted into the chute 30 in advance, and slid to a position where the separation screw hole 31 is opposite to the through hole 33, and is screwed with the separation screw hole 31 by the twist bolt 34, thereby achieving the purpose of fixing the second transducer 19 and the second marker 15. And (3) abutting the cushion block 12 on the main scale 1 on the concrete surface, and sliding the sliding block 5 until the reading line 8 is aligned with the corresponding scale line 3 according to the specified test interval. At this time, the tightening screw 10 is screwed to the fixing hole 9, the limiting slider 5 slides on the main scale 1, the canceling bolt 34 is screwed to the separating screw hole 31, the sliding slider 29 slides to a position where the abutting screw hole 32 is opposite to the penetrating hole 33, the second transducer 19 abuts against the concrete surface at this time, and the concrete crack is detected by screwing the tightening screw 34 to the separating screw hole 31.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a concrete member crack detection device by ultrasonic wave method, includes main scale (1) and ultrasonic transducer (2), one side of main scale (1) is marked with scale mark (3), the one end of main scale (1) is provided with first mark portion (14), first mark groove (16) have been seted up on first mark portion (14), its characterized in that: the utility model discloses a main scale, including main scale (1) and main scale, slide and be provided with slider (4) on main scale (1), slider (4) including slide set up in slider (5) on slider (5), set up in last extension board (6) on slider (5) and set up in lower extension board (7) on slider (5), lower extension board (7) are provided with reading line (8), be provided with second mark portion (15) on slider (4), second mark groove (17) have been seted up on second mark portion (15), ultrasonic transducer (2) include first transducer (18) and second transducer (19), first transducer (18) with second transducer (19) are fixed respectively to be set up on corresponding first mark groove (16) with on second mark groove (17), be provided with on slider (5) and be used for fixing slider (5) with the fixed subassembly of main scale (1).

2. The ultrasonic concrete member crack detection device according to claim 1, wherein: the fixing assembly comprises a fixing hole (9) formed in one side, close to the upper extension plate (6), of the sliding block (5) and a fastening screw (10) in threaded connection with the fixing hole (9).

3. The ultrasonic concrete member crack detection device according to claim 2, wherein: a gasket (11) is arranged between the fastening screw (10) and the sliding block (5).

4. The ultrasonic concrete member crack detection device according to claim 1, wherein: the novel anti-slip device is characterized in that a spring cavity (20) is formed in the first marking part (14), a compression spring (21) is arranged in the spring cavity (20), a clamping block (22) is arranged on the compression spring (21), a pull rod (23) is arranged on the clamping block (22), a slip cavity (24) is formed in one side of the first marking part (14), and the pull rod (23) extends out of the slip cavity (24).

5. The ultrasonic concrete member crack detection device according to claim 4, wherein: the fixture block (22) is provided with a pull rod (23) towards the inner wall of the spring cavity (20), a sliding cavity (24) is formed in the first marking part (14), the pull rod (23) is in sliding fit with the spring cavity (20) and the sliding cavity (24), and one end of the pull rod (23) extends out of the sliding cavity (24).

6. The ultrasonic concrete member crack detection device according to claim 1, wherein: the inner wall of the first marking groove (16) is provided with a hooking part (27), and one side of the first transducer (18) is provided with a hooking block (28) which is hooked and matched with the hooking part (27).

7. The ultrasonic concrete member crack detection device according to claim 1, wherein: two opposite sides of the second transducer (19) are provided with sliding blocks (29), the sliding blocks (29) are provided with separation threaded holes (31) and abutting threaded holes (32), the lower extension plate (7) is provided with a through hole (33), the through hole (33) is provided with a screw in a penetrating mode, and the screw is in threaded connection with the separation threaded holes (31) and the abutting threaded holes (32).

8. The ultrasonic concrete member crack detection device according to claim 1, wherein: and cushion blocks (12) are arranged at one sides of the two ends of the main scale (1) away from the upper extension plate (6).