CN112748187B - A Concrete Acoustic Emission Damage Identification Device Based on Internet of Things Technology - Google Patents

Abstract

The invention relates to the technical field of acoustic emission damage identification devices, in particular to a concrete acoustic emission damage identification device based on the Internet of Things technology. One end of the support rod is provided with a positioning table, the positioning table is provided with a hinged ball, the hinged ball is fixed on the support rod, the upper ring of the door cover is provided with a number of evenly distributed clamping blocks, and one end of the clamping blocks extends into the control box. The structural design realizes convenient and quick sound detection work, that is, the staff can place the identification device on one side of the wall to be tested, and the detection work will be stable. In addition, the staff can hold the support rod and control several support rods against the wall. It is enough to keep it upright, so that the direction of sound emission can be aligned with the wall to be tested, and stable detection can be achieved.

Description

A Concrete Acoustic Emission Damage Identification Device Based on Internet of Things Technology

technical field

The invention relates to the technical field of acoustic emission damage identification devices, in particular to a concrete acoustic emission damage identification device based on the Internet of Things technology.

Background technique

The acoustic emission damage identification instrument in the prior art detects the wall by hand-held by the staff, and the detection efficiency and quality need to be improved. Measuring the wall is an influencing factor.

If an acoustic emission damage identification device can be invented, the acoustic transmitter can be installed in it, and the problem can be solved by assisting the acoustic transmitter to perform the detection work conveniently and quickly. Acoustic emission damage identification device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a concrete acoustic emission damage identification device based on the Internet of Things technology, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a concrete acoustic emission damage identification device based on the Internet of Things technology, including a control box, one side of the control box is provided with a door cover, and the door cover is fixedly connected with a A support rod, one end of the support rod is provided with a positioning table, the positioning table is provided with a hinge ball, the hinge ball is fixed on the support rod, the upper ring of the door cover is provided with a number of evenly distributed clamping blocks, the One end of the clamping block extends into the control box, one side of the clamping block is in contact with the first spring piece, the first spring piece is arranged in the control box, the outer side of the control box is covered with a sleeve, and the outer side wall of the sleeve is surrounded by a ring. There are several evenly distributed struts, one end of the strut is fixedly connected with a rubber spherical shell, the strut is provided with a positioning cylinder, a bellows, a sliding column and a spring, and the side of the sleeve facing away from the door cover The bottom surface is provided with a number of L-shaped rods evenly distributed. The L-shaped rods are provided with intercepting blocks and two spring sheets. The control box is provided with a chain and a sounding device. One end of the chain is fixed on the control box. The other end is connected with a sounding device, the control box is in the shape of a circular plate shell with one side open, and the outer side wall of the control box is in the shape of a convex arc surface, the shape of the door cover is a cylinder, and the inner side wall of the cylinder is The control box and the door cover are hingedly connected, and a number of evenly distributed ventilation holes are opened in the middle of the bottom plate of the control box.

Preferably, the support rod is provided with a cylindrical groove, and one end of the cylindrical groove of the support rod extends into the rubber spherical shell, and the cylindrical groove of the support rod is sleeved with a positioning cylinder, a bellows, a sliding column and a spring, so One end of the sliding column is in contact with a spring, the other end of the sliding column is fixedly connected with a bellows, and one end of the bellows away from the sliding column is fixedly connected with a positioning cylinder.

Preferably, the positioning cylinder is fixed on the inner wall of the cylindrical groove on the support rod, the sliding column is cylindrical in shape, and a sliding groove is opened on the side wall of the column body, and a protruding sliding block is arranged in the sliding groove of the sliding column, and The protruding slider is fixed on the support rod, one end of the spring is in contact with the sliding column, and the other end of the spring is in contact with the bottom surface of the cylindrical groove on the support rod. The bottom surface of the cylindrical groove on the rod is connected, and the other end of the L-shaped rod extends to the outside of the support rod.

Preferably, the positioning table is in the shape of a truncated cone, and a ball-shaped groove is formed on the top of the positioning table. A hinged ball is fitted in the spherical-shaped groove of the positioning table, and the hinged ball partially protrudes to the outside of the positioning table and is hinged The protruding part of the ball is fixedly connected with the support rod.

Preferably, the shape of the spring piece is a U-shaped plate, and the two ends of the plate body are respectively bent toward the two sides of the U-shaped plate, and the spring piece is fitted and arranged in the T-shaped plate groove opened on the control box housing, One end of the clamping block extends into the block groove provided on the control box housing, and a part of the spring sheet protrudes into the arc groove provided on the clamping block.

Preferably, one end of the L-shaped rod extends into the prismatic groove opened on the sleeve, one end of the intercepting block contacts the second wave plate-shaped spring sheet, and the intercepting block is fixed on the inner wall of the prismatic groove on the sleeve. On the upper side, the blocking block and the second spring sheet are arranged in the chute opened on the side wall of the L-shaped rod.

Compared with the prior art, the beneficial effects of the present invention are:

1. The structural design of the present invention realizes convenient and quick sound detection work, that is, the staff can place the identification device on one side of the wall to be tested, and the detection work can be maintained stably. In addition, the staff can hold the support rod and control several The rod can be placed on the wall, so that it will remain in an upright state, and the direction of the sound emission can be aligned with the wall to be tested to achieve stable detection;

2. The device is attached to the wall to be tested through the rubber spherical shell, the pressure forces the rubber spherical shell to deflate, and the gas in the rubber spherical shell is injected into the bellows, and then the spring supports the sliding column to ensure the air pressure in the bellows, so that To ensure the deformation range of the rubber spherical shell, the rubber spherical shell is flatly attached to the wall to be tested, to increase the contact friction area, and to ensure that the entire identification device is stably positioned on one side of the wall to be tested.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is a structural representation at A in Fig. 1;

Figure 3 is a schematic diagram of the structure of the sleeve.

In the figure: control box 1, door cover 2, support rod 3, positioning table 4, hinged ball 5, clamping block 6, spring sheet 7, sleeve 8, support rod 9, rubber ball shell 10, positioning cylinder 11, corrugated Pipe 12 , sliding column 13 , spring 14 , L-shaped rod 15 , intercepting block 16 , spring sheet 2 17 , chain 18 , sounding device 19 , ventilation hole 20 , L-shaped lumen 21 , and wall to be tested 22 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 to 3, the present invention provides a technical solution: a concrete acoustic emission damage identification device based on the Internet of Things technology, comprising a control box 1, a door cover 2 is provided on one side of the control box 1, and the door cover 2 A support rod 3 is fixedly connected to the upper part, one end of the support rod 3 is provided with a positioning table 4, and a hinged ball 5 is arranged in the positioning table 4. The hinged ball 5 is fixed on the support rod 3, and the upper ring of the door cover 2 is provided with several uniform Distributed clamping blocks 6, one end of the clamping block 6 extends into the control box 1, one side of the clamping block 6 is in contact with a spring piece 1 7, the spring piece 1 7 is arranged in the control box 1, and a sleeve is sleeved on the outside of the control box 1 8. The upper ring of the outer side wall of the sleeve 8 is provided with a number of evenly distributed support rods 9, one end of the support rod 9 is fixedly connected with a rubber spherical shell 10, and the support rod 9 is provided with a positioning cylinder 11, a bellows 12, and a sliding column 13. And the spring 14, the bottom surface of the side of the sleeve 8 facing away from the door cover 2 is provided with a number of L-shaped rods 15 evenly distributed, and the L-shaped rod 15 is provided with an intercepting block 16 and two spring pieces 17, and the control box 1 is provided with There are a chain 18 and a sounding device 19, one end of the chain 18 is fixed on the control box 1, the other end of the chain 18 is connected with a sounding device 19, the control box 1 is a circular plate shell with an opening on one side, and the outer wall of the control box 1 It is a convex arc shape, the door cover 2 is in the shape of a cylinder and the inner side wall of the cylinder is a concave arc shape, the control box 1 and the door cover 2 are hingedly connected, and a number of evenly distributed The ventilation hole 20, referring to FIG. 1, the entire identification device is placed on one side of the wall to be measured 22, the sounding device 19 is erected and suspended in the inner cavity of the control box 1, and the sounding horn surface of the sounding device 19 is facing the wall to be measured. 22. This ensures that the sound producing device 19 performs sound producing work stably.

The support rod 9 is provided with a cylindrical groove, and one end of the cylindrical groove of the support rod 9 extends into the rubber spherical shell 10. The cylindrical groove of the support rod 9 is sleeved with a positioning cylinder 11, a bellows 12, a sliding column 13 and a spring 14. One end of the sliding column 13 is in contact with the spring 14 , the other end of the sliding column 13 is fixedly connected with a bellows 12 , and one end of the bellows 12 away from the sliding column 13 is fixedly connected with a positioning cylinder 11 .

The positioning cylinder 11 is fixed on the inner wall of the cylindrical groove on the support rod 9, the sliding column 13 is cylindrical in shape, and a sliding groove is opened on the side wall of the column body. The block is fixed on the strut 9, one end of the spring 14 is in contact with the sliding column 13, the other end of the spring 14 is in contact with the bottom surface of the cylindrical groove on the strut 9, and the strut 9 is provided with an L-shaped lumen 21. The L-shaped lumen One end of 21 is connected to the bottom surface of the cylindrical groove on the support rod 9 , and the other end of the L-shaped rod 15 extends to the outside of the support rod 9 .

The positioning table 4 is in the shape of a circular truncated cone and the top of the positioning table 4 is provided with a ball-shaped groove, and a hinged ball 5 is fitted in the spherical-shaped groove of the positioning table 4, and the hinged ball 5 partially protrudes to the outside of the positioning table 4, and The protruding part of the hinge ball 5 is fixedly connected with the support rod 3 .

The spring piece 1 7 is in the shape of a U-shaped plate, and the two ends of the plate body are respectively bent toward the two sides of the U-shaped plate. One end of 6 extends into the block groove opened on the housing of the control box 1 , and a part of the spring sheet 7 protrudes into the arc groove opened on the clamping block 6 .

One end of the L-shaped rod 15 extends into the prismatic groove opened on the sleeve 8, and one end of the intercepting block 16 is in contact with the wave plate-shaped spring sheet 2 17. The intercepting block 16 is fixed on the inner wall of the prismatic groove on the sleeve 8 to intercept The block 16 and the second spring sheet 17 are arranged in the chute provided on the side wall of the L-shaped rod 15 .

Working principle: The positioning table 4 and the hinge ball 5 are universally hinged, so that the support rod 3 remains inclined, the positioning table 4 can still stand stably on the ground, and a number of clamping blocks 6 are fixed on the door cover 2. Through the clamping blocks 6 and the spring sheets 7. The door cover 2 is covered on one side of the control box 1, the control box 1 can be opened conveniently and quickly, and the sleeve 8 is movably sleeved on the control box 1, so that the control box 1 can drive the support rod 3. A certain rotation occurs, and the sleeve 8 drives several struts 9, and several struts 9 are stably mounted on the wall 22 to be tested, so that the convenient and quick positioning of the control box 1 is realized, even if the bottom surface of the control box 1 is not perpendicular to the ground, Under the suspension of the chain 18, the sounding device 19 can still be kept in an upright state, so that the sounding device 19 can perform stable sound production. The L-shaped rod 15 is designed to buffer and intercept the control box 1, and limit the control box 1 and the sleeve. 8 articulation range.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a concrete acoustic emission damage recognition device based on internet of things, includes control box (1), its characterized in that: one side of control box (1) is provided with door closure (2), fixedly connected with bracing piece (3) on door closure (2), the one end tip of bracing piece (3) is provided with location platform (4), be provided with articulated ball (5) in location platform (4), articulated ball (5) are fixed on bracing piece (3), door closure (2) are fitted with a contraceptive ring and are equipped with a plurality of evenly distributed's fixture block (6), fixture block (6) one end is extended to in control box (1), and one side contact of fixture block (6) has spring leaf (7), spring leaf (7) set up in control box (1), the outside cover of control box (1) has sleeve (8), and the lateral wall of sleeve (8) is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's branch (9), the one end fixedly connected with rubber spherical shell (10) of branch (9), be provided with location section of thick bamboo (11) in branch (9), A corrugated pipe (12), a sliding column (13) and a spring (14), wherein a plurality of evenly distributed L-shaped rods (15) are annularly arranged on the bottom surface of one side of the sleeve (8) back to the door cover (2), an interception block (16) and a second spring leaf (17) are arranged in the L-shaped rod (15), the control box (1) is internally provided with a chain (18) and a sound generating device (19), one end of the chain (18) is fixed on the control box (1), the other end of the chain (18) is connected with the sound generating device (19), the control box (1) is in a circular plate shell shape with one side opened, the outer side wall of the control box (1) is convex arc surface-shaped, the door cover (2) is cylindrical, the inner side wall of the cylinder body is concave arc surface-shaped, the control box (1) is hinged with the door cover (2), and a plurality of air holes (20) which are uniformly distributed are formed in the middle of the bottom plate of the control box (1).

2. The device for identifying the acoustic emission damage of the concrete based on the technology of the internet of things as claimed in claim 1, wherein: the rubber ball shell structure is characterized in that a cylindrical groove is formed in the supporting rod (9), one end of the cylindrical groove of the supporting rod (9) extends into the rubber ball shell (10), a positioning barrel (11), a corrugated pipe (12), a sliding column (13) and a spring (14) are sleeved in the cylindrical groove of the supporting rod (9), the spring (14) is contacted with one end of the sliding column (13), the corrugated pipe (12) is fixedly connected to the other end of the sliding column (13), and the positioning barrel (11) is fixedly connected to one end, far away from the sliding column (13), of the corrugated pipe (12).

3. The device for identifying the acoustic emission damage of the concrete based on the technology of the internet of things as claimed in claim 2, wherein: the utility model discloses a cylinder on the branch (9) is fixed on the cylinder inslot wall on a location section of thick bamboo (11), traveller (13) shape has seted up the spout for on cylinder and the cylinder lateral wall, is provided with the protrusion slider in the spout of traveller (13), and the protrusion slider is fixed on branch (9), the one end contact of spring (14) has traveller (13), the other end of spring (14) and the cylinder bottom of groove face contact on branch (9), it has L type lumen (21) to open in branch (9), the one end of L type lumen (21) and the cylinder bottom of groove face on branch (9) are connected, the other end of L type pole (15) extends to branch (9) outside.

4. The device for identifying the acoustic emission damage of the concrete based on the technology of the internet of things as claimed in claim 1, wherein: the positioning table (4) is in a round table shape, a spherical segment-shaped groove is formed in the top of the positioning table (4), a hinge ball (5) is arranged in the spherical segment-shaped groove of the positioning table (4) in a matching mode, the part of the hinge ball (5) protrudes to the outside of the positioning table (4), and the protruding part of the hinge ball (5) is fixedly connected with the supporting rod (3).

5. The device for identifying the acoustic emission damage of the concrete based on the technology of the internet of things as claimed in claim 1, wherein: the spring piece I (7) is in a U-shaped plate shape, two end parts of the plate body are bent towards two sides of the U-shaped plate respectively, the spring piece I (7) is arranged in a T-shaped plate groove formed in a shell of the control box (1) in a matching mode, one end of the clamping block (6) extends into a block groove formed in the shell of the control box (1), and the spring piece I (7) partially protrudes into a cambered surface groove formed in the clamping block (6).

6. The device for identifying the acoustic emission damage of the concrete based on the technology of the internet of things as claimed in claim 1, wherein: one end of the L-shaped rod (15) extends into a prismatic groove formed in the sleeve (8), one end of the interception block (16) is in contact with a second wavy spring piece (17), the interception block (16) is fixed on the inner wall of the prismatic groove formed in the sleeve (8), and the interception block (16) and the second wavy spring piece (17) are arranged in a sliding groove formed in the side wall of the L-shaped rod (15).

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