CN112748187B - Concrete acoustic emission damage recognition device based on internet of things - Google Patents
Concrete acoustic emission damage recognition device based on internet of things Download PDFInfo
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- CN112748187B CN112748187B CN202110098404.9A CN202110098404A CN112748187B CN 112748187 B CN112748187 B CN 112748187B CN 202110098404 A CN202110098404 A CN 202110098404A CN 112748187 B CN112748187 B CN 112748187B
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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
- G01N29/14—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 using acoustic emission techniques
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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
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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
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Abstract
The invention relates to the technical field of sound emission damage recognition devices, in particular to a concrete sound emission damage recognition device based on the technology of Internet of things, which comprises a control box, wherein one side of the control box is provided with a door cover, a support rod is fixedly connected onto the door cover, one end part of the support rod is provided with a positioning table, a hinge ball is arranged in the positioning table and is fixed onto the support rod, a plurality of uniformly distributed fixture blocks are annularly arranged on the door cover, one end of each fixture block extends into the control box, the structural design of the invention realizes convenient and rapid sound emission detection work, namely, the worker can put the recognition device on one side of the wall body to be detected, and can keep stable detection work, in addition, the worker can hold the support rod by hand and control the support rods to be propped against the wall, therefore, the vertical state can be still kept, the acoustic emission direction can be aligned to the wall to be detected, and stable detection is realized.
Description
Technical Field
The invention relates to the technical field of acoustic emission damage recognition devices, in particular to a concrete acoustic emission damage recognition device based on the technology of the Internet of things.
Background
The acoustic emission damage identification instrument in the prior art detects the wall body through the staff hand-held type, and detection efficiency and quality remain to be improved, and the problem of rocking of staff self to and can't ensure that the sound mouth of detecting instrument is stable aims at the wall body that awaits measuring, all are the influence factor.
If the acoustic emission damage recognition device can be used, the acoustic generator can be arranged in the acoustic emission damage recognition device, the acoustic generator is assisted to conveniently and quickly perform detection work, the problem can be solved, and the concrete acoustic emission damage recognition device based on the technology of the Internet of things is provided.
Disclosure of Invention
The invention aims to provide a concrete acoustic emission damage recognition device based on the technology of the internet of things, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a concrete acoustic emission damage recognition device based on the Internet of things technology comprises a control box, wherein a door cover is arranged on one side of the control box, a support rod is fixedly connected onto the door cover, a positioning table is arranged at the end part of one end of the support rod, a hinged ball is arranged in the positioning table and fixed on the support rod, a plurality of clamping blocks which are uniformly distributed are arranged on the door cover in a ring mode, one end of each clamping block extends into the control box, a first spring piece is contacted with one side of each clamping block and arranged in the control box, a sleeve is sleeved outside the control box, a plurality of uniformly distributed support rods are arranged on the outer side wall of the sleeve in a ring mode, a rubber spherical shell is fixedly connected to one end of each support rod, a positioning cylinder, a corrugated pipe, a sliding column and a spring are arranged in each support rod, a plurality of uniformly distributed L-shaped rods are arranged on the bottom surface of one side, back to the door cover, of each support rod is arranged on the sleeve in a ring mode, be provided with in the L type pole and block piece and spring leaf two, be provided with chain and sound generating mechanism in the control box, chain one end is fixed on the control box, and the other end of chain is connected with sound generating mechanism, the control box is one side open-ended plectane housing form, and the lateral wall of control box is protrusion cambered surface form, the inside wall that the door closure shape is drum and barrel is interior concave cambered surface form, control box and door closure are articulated to be connected, a plurality of evenly distributed's bleeder vent has been seted up to the bottom plate middle part position of control box.
Preferably, a cylindrical groove is formed in the supporting rod, one end of the cylindrical groove of the supporting rod extends into the rubber spherical shell, a positioning cylinder, a corrugated pipe, a sliding column and a spring are sleeved in the cylindrical groove of the supporting rod, one end of the sliding column is in contact with the spring, the other end of the sliding column is fixedly connected with the corrugated pipe, and one end, far away from the sliding column, of the corrugated pipe is fixedly connected with the positioning cylinder.
Preferably, the locating cylinder is fixed on the inner wall of a cylindrical groove on the supporting rod, the sliding column is in a shape that a sliding groove is formed in the side wall of the cylindrical body, a protruding sliding block is arranged in the sliding groove of the sliding column and fixed on the supporting rod, the sliding column is in contact with one end of the spring, the other end of the spring is in contact with the bottom surface of the cylindrical groove on the supporting rod, an L-shaped pipe cavity is formed in the supporting rod, one end of the L-shaped pipe cavity is connected with the bottom surface of the cylindrical groove on the supporting rod, and the other end of the L-shaped rod extends to the outside of the supporting rod.
Preferably, the positioning table is round table-shaped, a spherical segment-shaped groove is formed in the top of the positioning table, a hinge ball is arranged in the spherical segment-shaped groove of the positioning table in a matching mode, the hinge ball protrudes to the outside of the positioning table, and the protruding portion of the hinge ball is fixedly connected with the supporting rod.
Preferably, the first spring piece 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 first spring piece is arranged in a T-shaped plate groove formed in the control box shell in a matching mode, one end of the clamping block extends into a block groove formed in the control box shell, and one part of the spring piece protrudes into an arc-surface groove formed in the clamping block.
Preferably, one end of the L-shaped rod extends into a prismatic groove formed in the sleeve, one end of the intercepting block is in contact with a second wavy spring piece, the intercepting block is fixed on the inner wall of the prismatic groove in the sleeve, and the intercepting block and the second spring piece are arranged in a sliding groove formed in the side wall of the L-shaped rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the structure design of the invention realizes convenient and quick acoustic emission detection work, namely, a worker can put the identification device on one side of the wall body to be detected, so that the stable detection work can be kept, in addition, the worker can hold the support rod by hand and control the support rods to be propped against the wall, so that the vertical state can be still kept, the acoustic emission direction can be aligned to the wall body to be detected, and the stable detection can be realized;
2. the device pastes on the wall body that awaits measuring through the rubber spherical shell, and pressure forces the rubber spherical shell to become flat, and during gaseous injection bellows in the rubber spherical shell, and then the spring-supported traveller ensured the atmospheric pressure in the bellows, ensured the deformation scope of rubber spherical shell like this, the flat subsides of rubber spherical shell are on the wall body that awaits measuring, and increase contact friction area ensures that whole recognition device is stable to be positioned in the one side of the wall body that awaits measuring.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic view of the sleeve structure.
In the figure: the device comprises a control box 1, a door cover 2, a support rod 3, a positioning table 4, a hinged ball 5, a fixture block 6, a first spring piece 7, a sleeve 8, a support rod 9, a rubber spherical shell 10, a positioning cylinder 11, a corrugated pipe 12, a sliding column 13, a spring 14, an L-shaped rod 15, a blocking block 16, a second spring piece 17, a lock chain 18, a sound production device 19, an air hole 20, an L-shaped pipe cavity 21 and a wall body 22 to be detected.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a concrete acoustic emission damage recognition device based on the Internet of things technology comprises a control box 1, a door cover 2 is arranged on one side of the control box 1, a support rod 3 is fixedly connected onto the door cover 2, a positioning table 4 is arranged at one end of the support rod 3, a hinge ball 5 is arranged in the positioning table 4 and fixed onto the support rod 3, a plurality of clamping blocks 6 which are uniformly distributed are annularly arranged on the door cover 2, one end of each clamping block 6 extends into the control box 1, a first spring piece 7 is contacted with one side of each clamping block 6, the first spring piece 7 is arranged in the control box 1, a sleeve 8 is sleeved outside the control box 1, a plurality of supporting rods 9 which are uniformly distributed are annularly arranged on the outer side wall of the sleeve 8, a rubber spherical shell 10 is fixedly connected to one end of each supporting rod 9, a positioning cylinder 11, a corrugated pipe 12, a sliding column 13 and a spring 14 are arranged in the supporting rods 9, a plurality of L-shaped rods 15 which are uniformly distributed are annularly arranged on the bottom surface of one side of the sleeve 8, which is back to the door cover 2, the L-shaped rod 15 is internally provided with a blocking block 16 and a second spring piece 17, 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 open, the outer side wall of the control box 1 is in a convex arc surface shape, the door cover 2 is in a cylinder shape, the inner side wall of the cylinder body is in a concave arc surface shape, the control box 1 is hinged with the door cover 2, the middle position of the bottom plate of the control box 1 is provided with a plurality of air holes 20 which are uniformly distributed, referring to the picture 1, the whole recognition device is arranged on one side of a wall body 22 to be detected, the sound generating device 19 is vertically suspended in the inner cavity of the control box 1, and the sound generating horn surface of the sound generating device 19 is opposite to the wall body 22 to be detected, so that the sound generating device 19 can stably carry out sound generating work.
The supporting rod 9 is provided with a cylindrical groove, one end of the cylindrical groove of the supporting rod 9 extends into the rubber spherical shell 10, the cylindrical groove of the supporting rod 9 is sleeved with a positioning cylinder 11, a corrugated pipe 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 the corrugated pipe 12, and one end of the corrugated pipe 12, far away from the sliding column 13, is fixedly connected with the positioning cylinder 11.
The locating cylinder 11 is fixed on the inner wall of a cylindrical groove on the supporting rod 9, the sliding column 13 is shaped like a cylinder, a sliding groove is formed in the side wall of the cylinder, a protruding sliding block is arranged in the sliding groove of the sliding column 13 and fixed on the supporting rod 9, the sliding column 13 is contacted with one end of the spring 14, the other end of the spring 14 is contacted with the bottom surface of the cylindrical groove on the supporting rod 9, an L-shaped pipe cavity 21 is formed in the supporting rod 9, one end of the L-shaped pipe cavity 21 is connected with the bottom surface of the cylindrical groove on the supporting rod 9, and the other end of the L-shaped rod 15 extends to the outside of the supporting rod 9.
The positioning table 4 is in a circular truncated cone 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, part of the hinge ball 5 protrudes out of the positioning table 4, and the protruding part of the hinge ball 5 is fixedly connected with the support rod 3.
The first spring piece 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 first spring piece 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 part of the first spring piece 7 protrudes into a cambered surface groove formed in the clamping block 6.
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 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.
The working principle is as follows: the positioning table 4 is hinged with the hinge ball 5 in a universal way, so that the support rod 3 keeps inclining, the positioning table 4 can still stand on the ground stably, the door cover 2 is fixed with a plurality of clamping blocks 6, the door cover 2 is covered on one side of the control box 1 through the clamping of the clamping blocks 6 and the spring pieces I7, the control box 1 can be opened conveniently and quickly, the sleeve 8 is movably sleeved on the control box 1, the control box 1 is designed to drive the support rod 3 to rotate to a certain degree, the sleeve 8 drives a plurality of supporting rods 9, the plurality of supporting rods 9 are stably lapped on a wall body 22 to be detected, so that the control box 1 can be positioned conveniently and quickly, even if the bottom surface of the control box 1 is not vertical to the ground, the sound generating device 19 can still keep a vertical state under the suspension of the lock chain 18, so that the sound generating device 19 can perform stable sound generating work, the L-shaped rod 15 is designed to buffer and intercept the control box 1, limiting the range of articulation of the control box 1 and the sleeve 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in 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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| CN202110098404.9A CN112748187B (en) | 2021-01-25 | 2021-01-25 | Concrete acoustic emission damage recognition device based on internet of things |
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| CN202110098404.9A CN112748187B (en) | 2021-01-25 | 2021-01-25 | Concrete acoustic emission damage recognition device based on internet of things |
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