CN114878382A

CN114878382A - Brick hardness testing device for building engineering

Info

Publication number: CN114878382A
Application number: CN202210473345.3A
Authority: CN
Inventors: 马升东
Original assignee: Nantong Yuanyi New Material Technology Co ltd
Current assignee: Nantong Yuanyi New Material Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-09

Abstract

The invention discloses a brick hardness detection device for building engineering, which comprises a base, wherein the upper end of the base is fixedly connected with a mounting frame, the lower end of the mounting frame is provided with a hydraulic rod, the telescopic end of the hydraulic rod is provided with an extrusion head, the right side wall of the telescopic end of the hydraulic rod is fixedly connected with an L-shaped abutting rod, the upper end of the base is provided with a conductive sleeve, and a conductive mechanism is arranged in the conductive sleeve; the improved garbage collector is characterized in that a collecting cavity is arranged in the base, an opening is formed in the top of the collecting cavity, a rectangular limiting frame is installed at the upper end of the base, and the rectangular limiting frame is located right above the opening. The device is in the testing process, if when the kibbling condition of brick appears, can carry out timely self-cleaning to placing the piece on the board, and clear efficiency is higher, and can collect the dust that clean production, has avoided the condition that the dust is diffused to appear.

Description

Brick hardness testing device for building engineering

Technical Field

The invention relates to the field of constructional engineering, in particular to a brick hardness detection device for building engineering.

Background

The building engineering refers to an engineering entity formed by the construction of various house buildings and auxiliary facilities thereof and the installation activities of lines, pipelines and equipment matched with the house buildings, bricks are common objects in the building engineering, and the quality of the bricks directly determines the quality of the buildings, so that the bricks can be generally subjected to quality detection after being produced;

the common brick quality detection mode is hardness detection, when the hardness is detected, the brick is generally placed on a detection platform, constant pressure is applied to the brick by adopting the cooperation of a hydraulic rod and an extrusion head, after the constant pressure is applied, if the brick is not damaged, the brick quality is qualified, in practice, a plurality of bricks with poor quality exist, some bricks can be seriously damaged and even smashed when being detected, so that a plurality of brick scraps exist on the detection platform, the brick scraps are influenced by the pressure of the hydraulic rod during detection, some powder scraps can be tightly adhered to the surface of the detection platform, if the brick is not cleaned in time, the accuracy of subsequent detection can be influenced, the common cleaning mode is that workers firstly clean the scraps which are not adhered to the detection platform, then a plurality of adhered powder scraps are separated from the detection platform by a hairbrush, clear away again, this process is comparatively loaded down with trivial details, and is consuming time longer, has reduced holistic detection efficiency, and this mode consumes the labour, and when personnel brushed the powder piece of being stained with and attaching, can raise a large amount of dust, threaten personnel's health.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a brick hardness detection device for building engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

the brick hardness detection device for the building engineering comprises a base, wherein a mounting frame is fixedly connected to the upper end of the base, a hydraulic rod is mounted at the lower end of the mounting frame, an extrusion head is mounted at the telescopic end of the hydraulic rod, an L-shaped abutting rod is fixedly connected to the right side wall of the telescopic end of the hydraulic rod, a conductive sleeve is mounted at the upper end of the base, and a conductive mechanism is arranged in the conductive sleeve;

the collecting cavity is arranged in the base, an opening is arranged at the inner top of the collecting cavity, a rectangular limiting frame is installed at the upper end of the base and is positioned right above the opening, processing grooves are formed in the inner walls of the two sides of the opening, a sliding strip capable of sliding left and right is arranged in each processing groove, a placing plate is fixedly connected to one side, close to the opening, of each sliding strip, one side, far away from the corresponding sliding strip, of each placing plate extends into the opening, one side, far away from the corresponding placing plate, of each sliding strip is connected with the inner wall of the corresponding processing groove through an air bag, two sliding cavities are symmetrically arranged in the base and are positioned below the collecting cavity, magnetic pistons used for sliding left and right are arranged in the two sliding cavities, an electromagnet is arranged in the base and is positioned between the two sliding cavities, one side of each magnetic piston, which is close to the corresponding electromagnet, is elastically connected with the inner wall of the corresponding sliding cavity through a connecting spring, and the space of one side of each sliding cavity, which is far away from the corresponding electromagnet, is respectively communicated with the corresponding air bag through two connecting pipes.

Preferably, the electromagnet is oppositely attracted with the adjacent surfaces of the two magnetic pistons after being electrified.

Preferably, the spaces of one sides of the two sliding cavities close to the electromagnet are respectively communicated with the outside through two ventilation pipes.

Preferably, the conductive mechanism comprises a conductive block which is connected in the conductive sleeve in an up-down sliding manner, the lower end of the conductive block is elastically connected with the inner bottom of the conductive sleeve through a restoring spring, and the inner walls of the two sides of the conductive sleeve are respectively provided with an electric connection strip in an embedded manner.

Preferably, the inner top of each treatment tank is provided with a shaking groove, a brushing mechanism is arranged in each shaking groove, the brushing mechanism comprises a light plate which is used for sliding left and right in the shaking groove, guide rods are fixedly connected between the inner walls of two sides of each shaking groove, the guide rods penetrate through the light plate and are in sliding connection with the light plate, the upper end face of the light plate is in sliding connection with the inner top of the corresponding shaking groove, the lower end of each light plate is provided with a plurality of soft bristles, and the lower ends of the soft bristles extend into the corresponding treatment grooves.

Preferably, the left side of each light plate is elastically connected with the inner wall of the left side of the corresponding shaking groove through a conductive spring, and the right side wall of each light plate and the inner wall of the right side of the corresponding shaking groove are provided with an electric connecting column.

Preferably, the symmetry is provided with two air storage cavities in the base, two the air storage cavity is located the left and right sides of collecting the chamber respectively, every the air storage cavity all is provided with the clamp plate that is used for horizontal slip, two a lateral wall that the clamp plate is close to the collection chamber holds air chamber inner wall elastic connection through two power spring and correspondence respectively, two one side space wind that the sliding chamber is close to the electro-magnet does not communicate has two one-way tuber pipes, two the other end of one-way tuber pipe extends to respectively to correspond in the air storage cavity keeps away from one side space of collecting the chamber, two install the check valve in one-way tuber pipe and two ventilations, and one side space that the collection chamber was kept away from to every air storage cavity all communicates through tubule and external world, the pipe diameter of tubule is one-way one of seven minutes of going out tuber pipe diameter.

Preferably, every all be provided with the dust absorption chamber in the light board, every the interior bottom in dust absorption chamber all is provided with a plurality of dust inlets, the upper end symmetry of base is provided with two and collects the box, two collect the box in all be provided with the filter screen, two collect the headspace of box respectively through two air inlet hose with correspond the dust absorption chamber intercommunication, two collect the bottom space of box respectively through two one-way outlet duct with correspond the tubule intercommunication, two all install the check valve in the one-way outlet duct.

Compared with the prior art, the invention has the beneficial effects that:

1. be provided with the board of placing that can remove, take place serious broken back in brick testing process, can be automatic clear up the brick piece to collecting the chamber, and through the setting of brush motivation mechanism, can be further be stained with some and attach the dust of placing on the board and clear up, subsequent cleanness of being convenient for has improved when examining in batches, holistic detection efficiency.

2. The dust collecting box is provided with a collecting box, a filter screen is arranged in the collecting box, a wind direction of a shaking groove → a dust inlet → a dust suction cavity → an air inlet hose → the collecting box → a one-way air outlet pipe → a thin pipe is generated by utilizing the Bernoulli principle, in the shaking groove, the raised fragment dust generated by the brush hair brush placing plate can enter the collecting box along with the wind direction, and after being filtered by the filter screen, the dust is left in the collecting box, the dust brushed down from the placing plate falls down and is directly removed, manual dust removal is not needed, and the overall cleaning efficiency is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a hardness testing device for building bricks according to the present invention;

FIG. 2 is an enlarged view of the conductive sleeve of FIG. 1;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view of FIG. 1 at B;

FIG. 5 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is an enlarged view of FIG. 5 at D;

fig. 8 is an enlarged view of fig. 5 at E.

In the figure: the device comprises a base 1, a mounting rack 2, a hydraulic rod 3, a 4L-shaped abutting rod, a collecting cavity 5, a sliding cavity 6, a magnetic piston 7, an electromagnet 8, a connecting spring 9, a conductive sleeve 10, a rectangular limiting frame 11, an opening 12, a placing plate 13, a conductive block 14, a restoring spring 15, a power connection strip 16, a processing groove 17, a connecting pipe 18, a light plate 19, soft bristles 20, an air bag 21, a shaking groove 22, a conductive spring 23, a sliding strip 24, a power connection post 25, a ventilation pipe 26, a one-way air outlet pipe 27, a collecting box 28, a thin pipe 29, an air storage cavity 30, a pressing plate 31, a power storage spring 32, a one-way air outlet pipe 33, an air inlet hose 34, a filter screen 35, a dust suction cavity 36 and a dust inlet 37.

Detailed Description

The technical solution 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.

Example 1

Referring to fig. 1-4, a brick hardness detection device for building engineering comprises a base 1, wherein an installation frame 2 is fixedly connected to the upper end of the base 1, a hydraulic rod 3 is installed at the lower end of the installation frame 2, an extrusion head is installed at the telescopic end of the hydraulic rod 3, an L-shaped abutting rod 4 is fixedly connected to the right side wall of the telescopic end of the hydraulic rod 3, the L-shaped abutting rod 4 is as shown in fig. 1, a conductive sleeve 10 is installed at the upper end of the base 1, a conductive mechanism is arranged in the conductive sleeve 10, the conductive mechanism comprises a conductive block 14 which is vertically slidably connected in the conductive sleeve 10, the lower end of the conductive block 14 is elastically connected with the inner bottom of the conductive sleeve 10 through a restoring spring 15, and power-on strips 16 are respectively embedded on the inner walls of two sides of the conductive sleeve 10;

as an embodiment of the invention, in order to facilitate cleaning of debris generated during detection, a collection chamber 5 is arranged in a base 1, a sealing door communicated with the collection chamber 5 is arranged on the front side of the base 1 to facilitate cleaning of dust in the collection chamber 5, an opening 12 is arranged on the inner top of the collection chamber 5, a rectangular limiting frame 11 is arranged at the upper end of the base 1, and by means of the arrangement of the rectangular limiting frame 11, in the detection process, if a brick is damaged, the debris generated by the brick can be positioned in the rectangular limiting frame 11 to facilitate subsequent collection treatment, the rectangular limiting frame 11 is positioned right above the opening 12, treatment grooves 17 are arranged on the inner walls of two sides of the opening 12, a sliding strip 24 capable of sliding left and right is arranged in each treatment groove 17, a placing plate 13 is fixedly connected to one side of each sliding strip 24, which is close to the opening 12, one side of each of the two placing plates 13, which is far away from the corresponding sliding strip 24, extends into the opening 12, the right side of the placing plate 13 on the left side can be provided with a rectangular limiting block, and the left side wall of the placing plate 13 on the right side can be provided with a rectangular limiting groove matched with the limiting block, so that after the two placing plates 13 on the subsequent side are contacted, the clamping can be further performed, the two placing plates 13 are relatively stable in the subsequent pressurizing process of detection, and one side of each sliding strip 24, which is far away from the corresponding placing plate 13, is connected with the inner wall of the corresponding processing groove 17 through the air bag 21;

as an embodiment of the invention, two slide cavities 6 are symmetrically arranged in a base 1, the two slide cavities 6 are both positioned below a collecting cavity 5, magnetic pistons 7 used for sliding left and right are arranged in the two slide cavities 6, an electromagnet 8 is arranged in the base 1, an external power supply is also arranged at the position, the positive pole of the external power supply is electrically connected with a power strip 16 positioned at the right side through a lead, the negative pole of the external power supply, the electromagnet 8 and the power strip 16 positioned at the left side are electrically connected through a lead, the electromagnet 8 is oppositely attracted with the adjacent surfaces of the two magnetic pistons 7 after being electrified, the electromagnet 8 is positioned between the two slide cavities 6, one sides of the two magnetic pistons 7 close to the electromagnet 8 are elastically connected with the inner walls of the corresponding slide cavities 6 through connecting springs 9, the spaces at one sides of the two slide cavities 6 far away from the electromagnet 8 are respectively communicated with corresponding air bags 21 through two connecting pipes 18, the spaces of one sides of the two sliding cavities 6 close to the electromagnet 8 are respectively communicated with the outside through two ventilation pipes 26;

as an embodiment of the present invention, in order to clean dust debris adhered to the placing plate 13 more tightly, a shaking groove 22 is provided at the top of the inner portion of each processing groove 17, a brushing mechanism is provided in each shaking groove 22, the brushing mechanism includes a light plate 19 for sliding in the shaking groove 22 from side to side, the light plate 19 is made of a material with a smaller density, a guide rod is fixedly connected between the inner walls of the two sides of the shaking groove 22, the guide rod can ensure the subsequent stable left-right shaking of the light plate 19, the guide rod penetrates through the light plate 19 and is slidably connected with the light plate 19, the upper end surface of the light plate 19 is slidably connected with the inner top of the corresponding shaking groove 22, a plurality of soft bristles 20 are provided at the lower end of each light plate 19, and the lower ends of the plurality of soft bristles 20 extend into the corresponding processing groove 17;

as an embodiment of the invention, the left side of each light plate 19 is elastically connected with the left inner wall of the corresponding shaking groove 22 through a conductive spring 23, the right side wall of each light plate 19 and the right inner wall of the corresponding shaking groove 22 are provided with an electric post 25, the conductive spring 23 on the left side and the electric post 25 on the corresponding light plate 19 are electrically connected through a lead (the conductive spring 23 on the left side and the electric post 25 on the corresponding light plate 19 and the electric post 25 on the right side wall of the left processing groove 17 form a first electrifying assembly), the conductive spring 23 on the right side and the electric post 25 on the corresponding light plate 19 are electrically connected through a lead (the conductive spring 23 on the right side and the electric post 25 on the corresponding light plate 19 and the electric post 25 on the right side wall of the right processing groove 17 form a second electrifying assembly), the first electrifying assembly and the second electrifying assembly are connected into a loop in parallel to the electromagnet 8, and first circular telegram subassembly, second circular telegram subassembly and electro-magnet 8 constitute the three branch road of this return circuit respectively, and two connect the electricity strip 16 to be in on the trunk road, promptly after two connect the electricity strip 16 to circular telegram, three branch roads all can be circular telegram, and mutual noninterference.

When the hardness of the brick is required to be detected, the brick to be detected is placed on a combined plate formed by combining two placing plates 13, then the hydraulic rod 3 is started, constant pressure is applied to drive the extrusion head to move downwards, the brick to be detected is extruded, when the hardness of the brick meets the requirement, the extrusion head under the constant pressure cannot damage the brick, and when the hardness of the brick does not meet the requirement, the brick can be broken;

for bricks with poor hardness, after being extruded by an extrusion head, the bricks can be seriously crushed, at the moment, fragments of the bricks can be scattered on the two placing plates 13, the bricks are crushed, the telescopic end of the hydraulic rod 3 can continuously move downwards for a certain distance, the telescopic end can drive the L-shaped supporting rod 4 to move downwards and support the conducting block 14 to move downwards, so that the conducting block 14 is contacted with the two power-on strips 16, and the electromagnet 8 is electrified;

after the electromagnet 8 is powered on, the electromagnet instantly attracts the two magnetic pistons 7, the two magnetic pistons 7 move relatively, and the gas in the two air bags 21 is pumped into the corresponding sliding cavities 6 through the two connecting pipes 18, the two air bags 21 shrink after being pumped, then the two sliding strips 24 are driven to move back and forth, and the two placing plates 13 are brought into the corresponding processing grooves 17, in the process that the two placing plates 13 move back and forth, large debris on the placing plates 13 and some fine debris which are not adhered to the placing plates 13 are blocked by the notches of the two processing grooves 17 and the rectangular limiting frame 11, and finally fall into the collecting cavity 5 from the opening 12 (after the two placing plates 13 move back and forth, the opening 12 is in an open state);

when the two placing plates 13 enter the two processing slots 17, because the two current-carrying bars 16 are conducted by the conductive block 14, current flows through the first current-carrying assembly and the second current-carrying assembly, here, taking the first current-carrying assembly as an example, when current flows through the left conductive spring 23, after the conductive spring 23 is electrified, an opposite magnetic field is formed between every two adjacent spring coils, so that the conductive spring 23 contracts and pulls the light plate 19 to the left, after the light plate 19 moves to the left, the electric post 25 on the light plate 19 is not contacted with the corresponding electric post 25, at this time, the circuit of the first current-carrying assembly is disconnected, at this time, due to inertia, the light plate 19 also moves to the left, and finally after moving to the left for a certain distance, the light plate moves back under the elastic action of the conductive spring 23, so that the two corresponding electric posts 25 are contacted again, and the above process is repeated, namely, after the placing plates 13 are immersed in the two processing slots 17, the corresponding light boards 19 can shake left and right continuously, the soft bristles 20 on the light boards continuously brush the upper surfaces of the corresponding placing boards 13, and the powdery scraps which are tightly adhered to the upper surfaces of the placing boards 13 are swept down, so that the scraps are not adhered to the placing boards 13 any more, the step of manually brushing the placing boards 13 by subsequent workers is omitted, and the labor force is reduced;

after the follow-up work of brushing of accomplishing, the user rises hydraulic stem 3 back, L type is supported pole 4 and has been left conducting block 14, receive the elastic action of recovering spring 15, conducting block 14 resumes initial state, at this moment the electro-magnet 8 cuts off the power supply, receive the elastic action of two connecting spring 8, two magnetic piston 7 move back, and gas that be return to two gasbags 21 again, final two gasbags 21 resume initial state again, and let two sliding strip 24 drive two and place board 13 and resume initial state, place some dust (the dust is less, clean simple) that do not adhere to on board 13 to two this moment and can carry out next time's detection after carrying out the manual cleaning.

Example 2

Referring to fig. 5-8, the difference between this embodiment and embodiment 1 is that two air storage chambers 30 are symmetrically disposed in the base 1, the two air storage chambers 30 are respectively located on the left and right sides of the collection chamber 5, a pressure plate 31 for sliding left and right is disposed in each air storage chamber 30, one side wall of each pressure plate 31 close to the collection chamber 5 is elastically connected to the inner wall of the corresponding air storage chamber 30 through two power storage springs 32, one side space of each sliding chamber 6 close to the electromagnet 8 is respectively communicated with two unidirectional air outlet pipes 27, the other ends of the two unidirectional air outlet pipes 27 respectively extend into one side space of the corresponding air storage chamber 30 far from the collection chamber 5, one-way valves are disposed in the two unidirectional air outlet pipes 27 and the two ventilation pipes 26, the air direction of the unidirectional air outlet pipes 27 is from the sliding chamber 6 (one side space close to the electromagnet 8) to the corresponding air storage chamber 30, the air direction of the ventilation pipe 26 is from the outside to the corresponding sliding chamber 6 (one side space close to the electromagnet 8), the space of one side of each air storage cavity 30, which is far away from the collection cavity 5, is communicated with the outside through a thin pipe 29, the front side of the space of one side of each air storage cavity 30, which is close to the collection cavity 5, is provided with a ventilation opening, the pipe diameter of the thin pipe 29 is one seventh of the pipe diameter of the unidirectional air outlet pipe 27, gas injected into the air storage cavity 30 from the sliding cavity 6 cannot be immediately discharged, and the gas can be slowly discharged after being stored;

as an embodiment of the invention, each light plate 19 is internally provided with a dust suction cavity 36, the inner bottom of each dust suction cavity 36 is provided with a plurality of dust inlets 37, the upper end of the base 1 is symmetrically provided with two collecting boxes 28, the two collecting boxes 28 are internally provided with filter screens 35, the top spaces of the two collecting boxes 28 are respectively communicated with the corresponding dust suction cavity 36 through two air inlet hoses 34, the bottom spaces of the two collecting boxes 28 are respectively communicated with the corresponding thin tubes 29 through two one-way air outlet pipes 33, the two one-way air outlet pipes 33 are internally provided with one-way valves, and the air direction of the one-way air outlet pipes 33 is from the bottom space of the corresponding collecting box 28 to the corresponding thin tubes 29, so that subsequent dust suction is facilitated.

In this embodiment, when the two magnetic pistons 7 move relatively, the gas in the space on one side of the two sliding cavities 6 close to the electromagnet 8 is pressed into the two gas storage cavities 30 through the two unidirectional air outlet pipes 27 (the space on one side of the gas storage cavity 30 far away from the collecting cavity 5), when the gas enters the two gas storage cavities 30 quickly, the gas cannot be discharged quickly due to the arrangement of the thin pipes 29, so that the gas can be gathered in the gas storage cavities 30, the pressing plates 31 in the corresponding gas storage cavities 30 move towards the collecting cavity 5, and the corresponding power storage springs 32 are compressed, and due to the arrangement of the power storage springs 32, the gas in the gas storage cavities 30 can be discharged slowly through the thin pipes 29;

during the period of time when the thin tube 29 discharges the gas, because the gas in the thin tube 29 has a faster flow rate and a lower pressure, a wind direction of the shaking groove 22 → the dust inlet 37 → the dust suction cavity 36 → the air inlet hose 34 → the collection box 28 → the one-way air outlet pipe 33 → the thin tube 29 is generated under the action of the pressure difference, and in the shaking groove 22, the raised dust particles generated by the soft bristles 20 brushing the placing plate 13 enter the collection box 28 along with the wind direction, and are filtered by the filter screen 35, and then the dust particles are left in the collection box 28, and the dust particles brushed down from the placing plate 13 are brushed down and directly removed, so that manual dust removal is not needed, and the overall cleaning efficiency is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The brick hardness detection device for the building engineering comprises a base (1) and is characterized in that an installation frame (2) is fixedly connected to the upper end of the base (1), a hydraulic rod (3) is installed at the lower end of the installation frame (2), an extrusion head is installed at the telescopic end of the hydraulic rod (3), an L-shaped abutting rod (4) is fixedly connected to the right side wall of the telescopic end of the hydraulic rod (3), a conductive sleeve (10) is installed at the upper end of the base (1), and a conductive mechanism is arranged in the conductive sleeve (10);

a collecting cavity (5) is arranged in the base (1), an opening (12) is arranged at the top in the collecting cavity (5), a rectangular limiting frame (11) is installed at the upper end of the base (1), the rectangular limiting frame (11) is positioned right above the opening (12), processing grooves (17) are respectively arranged on the inner walls of the two sides of the opening (12), a sliding strip (24) capable of sliding left and right is arranged in each processing groove (17), a placing plate (13) is fixedly connected to one side of each sliding strip (24) close to the opening (12), one sides of the two placing plates (13) far away from the corresponding sliding strips (24) extend into the opening (12), one side of each sliding strip (24) far away from the corresponding placing plate (13) is connected with the inner wall of the corresponding processing groove (17) through an air bag (21), two sliding cavities (6) are symmetrically arranged in the base (1), two sliding cavity (6) all are located the below of collecting chamber (5), two all be provided with in sliding cavity (6) and be used for horizontal slip magnetic piston (7), be provided with electro-magnet (8) in base (1), electro-magnet (8) are located between two sliding cavity (6), two one side that magnetic piston (7) are close to electro-magnet (8) all through connecting spring (9) with correspond the inner wall elastic connection of sliding cavity (6), two one side space that electro-magnet (8) were kept away from in sliding cavity (6) communicates with corresponding gasbag (21) through two connecting pipes (18) respectively.

2. The brick hardness detection device for building engineering according to claim 1, wherein the electromagnet (8) is oppositely attracted with the adjacent surfaces of the two magnetic pistons (7) after being electrified.

3. The brick hardness detection device for building engineering according to claim 1, characterized in that the space on one side of the two sliding cavities (6) near the electromagnet (8) is respectively communicated with the outside through two ventilation pipes (26).

4. The brick hardness detection device for the building engineering according to claim 1, characterized in that the conductive mechanism comprises a conductive block (14) which is connected in a conductive sleeve (10) in a sliding manner up and down, the lower end of the conductive block (14) is elastically connected with the inner bottom of the conductive sleeve (10) through a restoring spring (15), and the inner walls of two sides of the conductive sleeve (10) are respectively embedded with an electric connection strip (16).

5. The brick hardness detection device for the building engineering according to claim 1, characterized in that a shaking groove (22) is arranged at the top of the inner part of each processing groove (17), a brushing mechanism is arranged in each shaking groove (22), the brushing mechanism comprises a light plate (19) which is used for sliding in the shaking groove (22) from side to side, a guide rod is fixedly connected between the inner walls of the two sides of each shaking groove (22), the guide rod penetrates through the light plate (19) and is in sliding connection with the light plate (19), the upper end surface of each light plate (19) is in sliding connection with the top of the corresponding shaking groove (22), a plurality of soft bristles (20) are arranged at the lower end of each light plate (19), and the lower ends of the soft bristles (20) extend into the corresponding processing groove (17).

6. The device for detecting the hardness of the brick for the building engineering according to claim 5, wherein the left side of each light plate (19) is elastically connected with the left inner wall of the corresponding shaking groove (22) through a conductive spring (23), and the right side wall of each light plate (19) and the right inner wall of the corresponding shaking groove (22) are provided with an electric connecting column (25).

7. The brick hardness detection device for the building engineering according to claim 3, characterized in that two air storage cavities (30) are symmetrically arranged in the base (1), the two air storage cavities (30) are respectively located at the left and right sides of the collection cavity (5), a pressure plate (31) for sliding left and right is arranged in each air storage cavity (30), one side wall of each pressure plate (31) close to the collection cavity (5) is elastically connected with the inner wall of the corresponding air storage cavity (30) through two power storage springs (32), one side space of each sliding cavity (6) close to the electromagnet (8) is respectively communicated with two one-way air outlet pipes (27), the other ends of the two one-way air outlet pipes (27) respectively extend into one side space of the corresponding air storage cavity (30) far away from the collection cavity (5), and one-way valves are arranged in the two one-way air outlet pipes (27) and the two ventilation pipes (26), one side space of each air storage cavity (30) far away from the collection cavity (5) is communicated with the outside through a thin pipe (29), and the pipe diameter of the thin pipe (29) is one seventh of that of the unidirectional air outlet pipe (27).

8. The brick hardness testing device for building engineering according to claim 7, characterized in that, all be provided with dust absorption chamber (36) in every light board (19), every the interior bottom in dust absorption chamber (36) all is provided with a plurality of dust inlet (37), the upper end symmetry of base (1) is provided with two and collects box (28), two all be provided with filter screen (35) in collecting box (28), two collect the headspace of box (28) and communicate with corresponding dust absorption chamber (36) through two air inlet hose (34) respectively, two collect the headspace of box (28) and communicate with corresponding tubule (29) through two one-way outlet pipe (33) respectively, two all install the check valve in one-way outlet pipe (33).