Acoustic emission sensor auxiliary installation device

Abstract

The utility model discloses an acoustic emission sensor auxiliary installation device which comprises a base, an installation seat and a supporting mechanism, and the base is connected with the installation seat through the supporting mechanism. The base and the mounting seat are hinged to the supporting mechanism; the length of the supporting mechanism is adjustable, and an acoustic emission sensor probe is installed on the installation base. The auxiliary mounting device can be used for carrying out auxiliary mounting on the acoustic emission sensor, the mounting efficiency of the acoustic emission sensor is improved, and the mounting adaptability of the acoustic emission sensor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete health inspection, in particular to an auxiliary installation device for an acoustic emission sensor. Background Art

[0002] The quality of concrete structures directly affects the safety and service life of buildings. The appearance of concrete cracks will further increase the aging speed and degree of damage of concrete structures. In order to detect cracks in concrete structures as early as possible and improve the service life of structures, acoustic emission technology is widely used in the detection of concrete cracks. Acoustic emission technology is a non-destructive testing technology. Its basic principle is to detect small stress changes inside the object being tested to determine whether there are defects such as cracks, fatigue, and fractures.

[0003] When using acoustic emission technology to inspect concrete cracks, it is necessary to fix a sensor on the surface of the concrete structure to be inspected. The existing installation methods mostly use tape to fix the probe with the sensor on the surface of the concrete to be inspected or apply strong glue on the probe and stick the probe on the surface of the concrete to be inspected. The tape sticking method requires the material shape to be small materials such as cylinders and cubes. For materials with larger areas, it is not easy to fix them using this fixing method and they are easy to fall off. Although the use of strong glue for sticking can be applied to materials of different areas or volumes, it requires the surface of the material to be relatively smooth. In addition, after use, the probe needs to be knocked off the material with a tool, and the probe is easily damaged in the process of knocking off the probe. After the probe is removed, a solvent needs to be used to dissolve the glue on the probe, which is troublesome to operate.

[0004] Therefore, designing a device to assist the installation of acoustic emission sensors is one of the problems that need to be solved urgently in this field. Summary of the invention

[0005] The utility model aims to provide an auxiliary installation device for an acoustic emission sensor to solve the deficiencies in the prior art. The device can assist in the installation of the acoustic emission sensor, improve the installation efficiency of the acoustic emission sensor, and improve the adaptability of the installation of the acoustic emission sensor.

[0006] The utility model provides an auxiliary installation device for an acoustic emission sensor, comprising a base, a mounting seat and a supporting mechanism, wherein the base and the mounting seat are connected via the supporting mechanism; the base and the mounting seat are respectively hinged to two ends of the supporting mechanism; the length of the supporting mechanism is adjustable, and an acoustic emission sensor probe is installed on the mounting seat.

[0007] An auxiliary installation device for an acoustic emission sensor as described above, wherein preferably, the support mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod connected in sequence, and the distance between the first connecting rod and the third connecting rod can be adjusted by the second connecting rod.

[0008] An auxiliary installation device for an acoustic emission sensor as described above, wherein preferably, one end of the first connecting rod is hinged to the base, the other end of the first connecting rod is provided with a first threaded connection portion, the second connecting rod is close to the first connecting rod and is axially provided with a first threaded mounting hole that matches the first threaded connection portion, the second connecting rod is close to the third connecting rod and is axially provided with a second threaded mounting hole, the third connecting rod is close to the second connecting rod and is provided with a second threaded connection portion that matches the second threaded mounting hole, and the third connecting rod is hinged to the mounting seat at one end away from the second connecting rod; the thread rotation direction of the second threaded mounting hole is opposite to that of the first threaded mounting hole.

[0009] In the above-mentioned auxiliary installation device for an acoustic emission sensor, preferably, a rotating handle is sleeved on the second connecting rod, and the rotating handle is provided with anti-slip edges.

[0010] An auxiliary installation device for an acoustic emission sensor as described above, wherein preferably, the mounting seat is a mounting plate, a mounting through hole is opened in the middle of the mounting plate, two mounting blocks are fixedly installed on opposite sides of the mounting through hole, a connecting shaft is fixedly installed between the two mounting blocks, and the third connecting rod is rotatably connected to the connecting shaft; two mounting brackets for mounting the acoustic emission sensor probe are fixedly installed on the mounting plate, and the mounting brackets span the mounting through hole.

[0011] An auxiliary installation device for an acoustic emission sensor as described above, wherein preferably, the installation frame is a U-shaped frame, a threaded rod is installed on the U-shaped frame, the threaded rod is vertically arranged with the installation plate, and a clamping plate is installed at one end of the threaded rod close to the installation plate.

[0012] In the above-mentioned auxiliary installation device for an acoustic emission sensor, preferably, a side of the installation seat away from the supporting mechanism is provided with anti-slip grooves.

[0013] In the above-mentioned auxiliary installation device for an acoustic emission sensor, preferably, a mounting hole for mounting the acoustic emission sensor probe is provided on the mounting seat.

[0014] In the above-mentioned auxiliary installation device for an acoustic emission sensor, preferably, the bottom of the base is provided with anti-slip patterns.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model can tightly fix the acoustic emission sensor probe installed on the mounting seat on the surface of concrete to be detected through the cooperation of the base, the mounting seat and the supporting mechanism, thereby preventing the acoustic emission sensor probe from falling off, and has no requirements on the smoothness of the concrete surface and the size of the concrete volume, thereby improving the applicability of fixing the acoustic emission sensor probe.

[0017] The utility model has a first threaded connection portion at one end of the first connecting rod, and a first threaded mounting hole and a second threaded mounting hole are respectively opened at both ends of the second connecting rod along the axial direction. The thread rotation direction of the second threaded mounting hole is opposite to that of the first threaded mounting hole. The first threaded connection portion and the first threaded mounting hole cooperate with each other. The third connecting rod is provided with a second threaded connection portion that cooperates with the second threaded mounting hole. With such a design, it is convenient to adjust the distance between the base and the mounting seat by rotating the second connecting rod, thereby adjusting the height of the acoustic emission sensor probe on the concrete surface to be detected.

[0018] The utility model provides a mounting through hole on a mounting seat, a mounting frame spanning the mounting through hole is arranged on the mounting seat, a threaded rod is arranged on the mounting frame, a clamping piece is arranged at one end of the threaded rod, and the acoustic emission sensor probe can be clamped onto the surface of the concrete to be detected through the clamping piece by adjusting the threaded rod, and the clamping force on the probe can be conveniently controlled by rotating the threaded rod, thereby avoiding damage to the probe caused by excessive force. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of an auxiliary installation device for an acoustic emission sensor proposed by the utility model:

[0020] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0021] Figure 3 is a schematic diagram of the structure of the mounting base in the first embodiment;

[0022] Figure 4 is a schematic diagram of the installation structure of the mounting seat and the mounting frame in the second embodiment;

[0023] Figure 5 is a schematic structural diagram of a first connecting rod;

[0024] Figure 6 is a schematic structural diagram of a third connecting rod;

[0025] Figure 7 It is a schematic diagram of the installation structure of the threaded rod and the clamping plate.

[0026] Description of reference numerals:

[0027] 1-base, 2-mounting seat, 3-support mechanism, 301-first connecting rod, 302-second connecting rod, 303-third connecting rod, 301a-first threaded connection part, 303a-second threaded connection part, 4-rotating handle, 5-mounting through hole, 6-mounting block, 7-connecting shaft, 8-mounting frame, 9-threaded rod, 10-pressure plate, 11-mounting hole. DETAILED DESCRIPTION

[0028] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0029] Embodiment 1 of the present utility model:

[0030] like Figure 1 As shown, this embodiment proposes an auxiliary installation device for an acoustic emission sensor, including a base 1, a support mechanism 3 and a mounting seat 2, wherein the base 1 and the mounting seat 2 are connected via the support mechanism 3; the length of the support mechanism 3 is adjustable, and the support mechanism 3, the base 1 and the mounting seat 2 are all hinged, the base 1 and the mounting seat 2 are respectively located at the two ends of the support mechanism 3, and an acoustic emission sensor probe is installed on the mounting seat 2. The shape of the base 1 and the mounting seat 2 can be circular, rectangular, etc. The length of the support mechanism 3 is set to be adjustable, and the height of the acoustic emission sensor probe can be adjusted according to the position of the concrete to be detected, thereby improving applicability. The support mechanism 3, the base 1 and the mounting seat 2 are all designed to be hinged, which can facilitate angle adjustment and facilitate the base 1 to fit the ground, and the mounting seat 2 to fit the concrete surface to be inspected. See. Figure 3 For the convenience of installation, a mounting hole 11 for mounting the acoustic emission sensor probe can be provided on the mounting seat 2. When in use, the acoustic emission sensor probe is fixed by mounting it in the mounting hole 11.

[0031] When in use, place the base 1 on the ground, and adjust the height of the supporting mechanism 3 so that the mounting seat 2 equipped with the acoustic emission sensor probe reaches the concrete to be tested. Further adjusting the height of the supporting mechanism 3 can enable the mounting seat 2 to press the acoustic emission sensor probe against the surface of the concrete to be tested. In this way, the acoustic emission sensor probe can be effectively prevented from falling off during the detection process.

[0032] Further, see Figure 1 , Figure 5 and Figure 6To facilitate the adjustment of the support mechanism 3 , the support mechanism 3 can be designed to include a first connecting rod 301 , a second connecting rod 302 and a third connecting rod 303 connected in sequence, and the distance between the first connecting rod 301 and the third connecting rod 303 can be adjusted by the second connecting rod 302 .

[0033] Preferably, one end of the first connecting rod 301 is hinged to the base 1, the other end of the first connecting rod 301 is provided with a first threaded connection portion 301a, the end of the second connecting rod 302 close to the first connecting rod 301 is axially provided with a first threaded mounting hole matched with the first threaded connection portion 301a, the end of the second connecting rod 302 close to the third connecting rod 303 is axially provided with a second threaded mounting hole, and the end of the third connecting rod 303 close to the second connecting rod 302 is provided with a second threaded connection portion 303a matched with the second threaded mounting hole , one end of the third connecting rod 303 away from the second connecting rod 302 is hinged to the mounting seat 2; the thread rotation direction of the second threaded mounting hole is opposite to the thread rotation direction of the first threaded mounting hole. With such a design, when in use, only the second connecting rod 302 needs to be rotated to adjust the distance between the base 1 and the mounting seat 2, thereby improving the adjustment efficiency. Since the second connecting rod 302 is threadedly connected to the first connecting rod 301 and the third connecting rod 303, when the second connecting rod 302 stops rotating, the position of the second connecting rod 302 can be ensured to remain unchanged, and there is no need to add an additional locking mechanism.

[0034] In order to facilitate the rotation of the second connecting rod 302 , a rotating handle 4 may be sleeved on the second connecting rod 302 , and further, an anti-slip edge may be provided on the rotating handle 4 .

[0035] In order to increase the friction between the base 1 and the ground and prevent the base 1 from sliding, anti-slip patterns may be provided on the bottom of the base 1 .

[0036] Embodiment 2 of the present utility model:

[0037] This embodiment is a further improvement on the basis of the first embodiment, and the same parts as the first embodiment are not repeated here, and only the improved points are described.

[0038] See also Figure 1-Figure 2 , Figure 4 and Figure 7The mounting seat 2 is a mounting plate, a mounting through hole 5 is opened in the middle of the mounting plate, two mounting blocks 6 are fixedly installed on opposite sides of the mounting through hole 5, a connecting shaft 7 is fixedly installed between the two mounting blocks 6, and the third connecting rod 303 is rotatably connected to the connecting shaft 7; two mounting brackets 8 for mounting the acoustic emission sensor probe are fixedly installed on the mounting plate, and the mounting brackets 8 span the mounting through hole 5.

[0039] The mounting frame 8 is a U-shaped frame, on which a threaded rod 9 is installed, and the threaded rod 9 is arranged vertically with the mounting plate. A compression piece 10 is installed at one end of the threaded rod 9 close to the mounting plate, and the compression piece 10 is fixed on the side of the threaded rod 9 facing the concrete surface to be detected. The compression piece 10 can be fixed on the threaded rod 9 by welding. In order to avoid the acoustic emission sensor probe from rotating together with the threaded rod 9 when rotating, the compression piece 10 and the threaded rod 9 can also be set to be rotatably connected, for example, the compression piece and the threaded rod 9 can be connected by a bearing. When used specifically, the mounting seat 2 is first adjusted to the required height by the support mechanism 3, so that the mounting seat 2 is pressed against the concrete surface to be detected, and then the acoustic emission sensor probe is placed on the side of the compression piece 10 away from the threaded rod 9, and the threaded rod 9 is rotated to press the acoustic emission sensor probe against the concrete surface to be detected. By rotating the threaded rod 9, the compression force of the acoustic emission sensor probe can be adjusted. Avoid adjusting the compression force of the mounting seat 2 only by adjusting the support mechanism 3, which may cause damage to the acoustic emission sensor probe due to improper force control.

[0040] In order to increase the friction between the mounting seat 2 and the concrete surface to be tested and to better press the mounting seat 2 against the concrete surface to be tested, an anti-slip pattern may be provided on the side of the mounting seat 2 away from the supporting mechanism 3 .

[0041] The above describes in detail the structure, features and effects of the utility model based on the embodiments shown in the drawings. The above is only a preferred embodiment of the utility model, but the utility model is not limited to the scope of implementation shown in the drawings. Any changes made in accordance with the concept of the utility model, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and the drawings, should be within the protection scope of the utility model.

Claims

1. An auxiliary installation device for an acoustic emission sensor, characterized in that: It comprises a base (1), a mounting seat (2) and a support mechanism (3), wherein the base (1) and the mounting seat (2) are connected via the support mechanism (3); The base (1) and the mounting seat (2) are respectively hinged to two ends of the support mechanism (3); the length of the support mechanism (3) is adjustable, and an acoustic emission sensor probe is mounted on the mounting seat (2).

2. The acoustic emission sensor auxiliary installation device according to claim 1, characterized in that: The support mechanism (3) comprises a first connecting rod (301), a second connecting rod (302) and a third connecting rod (303) which are connected in sequence, and the distance between the first connecting rod (301) and the third connecting rod (303) can be adjusted via the second connecting rod (302).

3. The acoustic emission sensor auxiliary installation device according to claim 2, characterized in that: One end of the first connecting rod (301) is hinged to the base (1), the other end of the first connecting rod (301) is provided with a first threaded connection portion (301a), one end of the second connecting rod (302) close to the first connecting rod (301) is axially provided with a first threaded mounting hole that matches the first threaded connection portion (301a), one end of the second connecting rod (302) close to the third connecting rod (303) is axially provided with a second threaded mounting hole, one end of the third connecting rod (303) close to the second connecting rod (302) is provided with a second threaded connection portion (303a) that matches the second threaded mounting hole, and one end of the third connecting rod (303) away from the second connecting rod (302) is hinged to the mounting seat (2); the thread rotation direction of the second threaded mounting hole is opposite to that of the first threaded mounting hole.

4. The acoustic emission sensor auxiliary installation device according to claim 3, characterized in that: The second connecting rod (302) is sleeved with a rotating handle (4), and the rotating handle (4) is provided with anti-slip edges.

5. The acoustic emission sensor auxiliary installation device according to claim 2, characterized in that: The mounting seat (2) is a mounting plate, a mounting through hole (5) is provided in the middle of the mounting plate, two mounting blocks (6) are fixedly mounted on opposite sides of the mounting through hole (5), a connecting shaft (7) is fixedly mounted between the two mounting blocks (6), and the third connecting rod (303) is rotatably connected to the connecting shaft (7); two mounting frames (8) for mounting the acoustic emission sensor probe are fixedly mounted on the mounting plate, and the mounting frames (8) span the mounting through hole (5).

6. The acoustic emission sensor auxiliary installation device according to claim 5, characterized in that: The mounting frame (8) is a U-shaped frame, a threaded rod (9) is mounted on the U-shaped frame, the threaded rod (9) is arranged perpendicular to the mounting plate, and a pressing plate (10) is mounted on one end of the threaded rod (9) close to the mounting plate.

7. The acoustic emission sensor auxiliary installation device according to claim 1, characterized in that: The side of the mounting seat (2) away from the supporting mechanism (3) is provided with anti-slip grooves.

8. The acoustic emission sensor auxiliary installation device according to claim 1, characterized in that: The mounting seat (2) is provided with a mounting hole (11) for mounting the acoustic emission sensor probe.

9. The acoustic emission sensor auxiliary installation device according to claim 1, characterized in that: The bottom of the base (1) is provided with anti-slip patterns.

Images