Wall hollowing detection device for constructional engineering quality detection

Abstract

The utility model discloses a wall hollowing detection device for constructional engineering quality detection, which belongs to the technical field of hollowing detection and comprises a telescopic support rod and a sound receiving box, the sound receiving box is mounted at the top of the telescopic support rod through a connecting structure, an expansion body is fixedly connected outside the sound receiving box, and the expansion body is fixedly connected with the telescopic support rod. An in-out through hole is formed in the outer layer of the expansion body, a micro air pump is fixedly connected to the interior of the sound receiving box, an air outlet of the micro air pump communicates with an air outlet pipe, and the air outlet pipe penetrates through the outer wall of the sound receiving box and communicates with the inner layer of the expansion body; after sealing is completed, the driving structure drives the impact structure to impact the wall face to make feedback sounds, after different feedback sounds are generated, the feedback sounds are collected through the sound receiving sensor, sound data are analyzed through the main controller, and therefore the clear hollowing sound analysis condition is provided; and the phenomenon of wall hollowing through knocking detection can be accurately detected under the condition of using by a green hand.

Description

Technical Field

[0001] The utility model relates to the technical field of hollowing detection, in particular to a wall hollowing detection device used for building engineering quality detection. Background Art

[0002] Many buildings have hollow walls, which are often accompanied by bubbles, bulging, and cracks. In severe cases, the wall will fall off, which will cause great safety hazards to the building. After the construction is completed, the staff will usually conduct hollowing detection on the indoor walls, and the staff often need to use hollowing detection equipment to check the hollowing phenomenon of the wall;

[0003] However, most of the methods for detecting hollow walls on the market now are to knock on the wall manually or use a knocking rod to knock on the wall, and detect and process the wall through the feedback sound. However, after the construction of the construction project is completed, it is still necessary to invite professional inspection personnel to perform wall hollowing detection. Ordinary construction personnel lack experience and cannot intuitively judge the sound condition of the wall feedback after knocking on the wall. For this reason, a wall hollowing detection device for construction project quality inspection is proposed. Summary of the invention

[0004] The purpose of the utility model is to provide a wall hollowing detection device for construction engineering quality inspection to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wall hollowing detection device for construction engineering quality inspection, comprising a telescopic support rod and a sound receiving box, the sound receiving box is installed on the top of the telescopic support rod through a connecting structure, the outside of the sound receiving box is fixedly connected with an expansion body, the expansion body is divided into an inner layer and an outer layer, the outer layer of the expansion body is provided with inlet and outlet holes, the inside of the sound receiving box is fixedly connected with a micro air pump, the air outlet of the micro air pump is connected with an air outlet pipe, the air outlet pipe passes through the outer wall of the sound receiving box and is connected with the inner layer of the expansion body, the inside of the sound receiving box is connected with an impact structure, the inside of the sound receiving box is installed with a driving structure, the inside of the sound receiving box is installed with a sound receiving sensor, the outside of the sound receiving box is installed with a main controller, and the sound receiving sensor and the main controller are electrically connected;

[0006] Wherein, the driving structure is used to drive the impact structure to impact the wall surface to generate vibration.

[0007] As a further preferred embodiment of the technical solution: the outside of the air outlet pipe is connected to a diverter valve, and the diverter valve passes through the outer wall of the sound box.

[0008] As a further preferred embodiment of the present technical solution: the impact structure includes a supporting connecting rod, the supporting connecting rod is fixedly connected to the inside of the sound box, the outside of the supporting connecting rod is slidably connected to an impact hammer, the outside of the impact hammer is fixedly connected to a baffle, and the outside of the supporting connecting rod is sleeved with a spring.

[0009] As a further preferred embodiment of the present technical solution: the driving structure includes an upper support frame, the upper support frame is fixedly connected to the inner wall of the sound box, the inner wall of the sound box is rotatably connected to a bottom connecting rod, the bottom connecting rod is located below the upper support frame, the outside of the bottom connecting rod is fixedly connected to a driving pulley, the outside of the upper support frame is rotatably connected to a driven pulley, the driving pulley outside the bottom connecting rod and the driven pulley outside the upper support frame are connected by belt transmission, the outside of the driven pulley located on the upper support frame is fixedly connected to an elliptical pushing plate, the outside of the bottom connecting rod is fixedly connected to a driven gear, the inside of the sound box is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a driving gear, and the driving gear and the driven gear are meshed.

[0010] As a further preferred embodiment of the present technical solution: a handle is fixedly connected to the radio box.

[0011] As a further preferred embodiment of the present technical solution: the telescopic support rod is composed of a plurality of hollow rods combined with each other, and the outer walls and inner walls of the plurality of hollow rods are both set to be rough surfaces.

[0012] As a further preferred embodiment of the present technical solution: the connecting structure includes an articulated seat and a damping shaft, the articulated seat is fixedly connected to the outer bottom wall of the sound box, the damping shaft is rotatably connected to the inside of the articulated seat, and the top end of the telescopic support rod is fixedly connected to the outside of the damping shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, during use, the user can attach the sound box to the wall, and start the micro air pump to extract the gas in the outer layer of the expansion body, so that negative pressure is formed in the space of the outer layer of the expansion body, and the sound box is adsorbed on the wall by the negative pressure, and the gas extracted from the outer layer of the expansion body will be filled into the inner layer of the expansion body, so that the inner layer of the expansion body expands, and the space formed between the sound box and the wall is further sealed after the inner layer of the expansion body expands. After the sealing is completed, the driving structure drives the impact structure to hit the wall to produce feedback sound. After different feedback sounds occur, the feedback sound is collected by the sound sensor, and the sound data is analyzed by the main controller to provide the user with a clear analysis of the hollow drum sound, so that even a novice can accurately detect the hollow drum phenomenon of the wall by knocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a wall hollowing detection device for construction engineering quality inspection according to the utility model;

[0016] Figure 2 It is a partial cross-sectional structural schematic diagram of a wall hollowing detection device for construction engineering quality inspection according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a driving structure in a wall hollowing detection device for construction engineering quality inspection according to the utility model;

[0018] Figure 4 It is a structural schematic diagram of an impact structure in a wall hollowing detection device for construction engineering quality inspection according to the utility model;

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of an expansion body in a wall hollowing detection device for construction engineering quality inspection according to the utility model;

[0020] Figure 6 The utility model is a wall hollowing detection device for construction engineering quality inspection Figure 3 Schematic diagram of the enlarged structure of area A in the middle.

[0021] In the figure: 10, telescopic support rod; 11, radio box; 12, expansion body; 13, micro air pump; 14, radio sensor; 15, main controller; 16, diverter valve; 17, inlet and outlet holes; 20, driving structure; 21, bottom connecting rod; 22, driving motor; 23, driving gear; 24, driven gear; 25, upper support frame; 26, elliptical push plate; 30, impact structure; 31, support connecting rod; 32, impact hammer; 33, baffle; 34, spring; 40, hinged seat; 41, damping shaft; 50, handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Example

[0023] See also Figure 1-Figure 6The utility model provides a technical solution: a wall hollowing detection device for construction engineering quality inspection, comprising a telescopic support rod 10 and a sound box 11, the sound box 11 is installed on the top of the telescopic support rod 10 through a connecting structure, the outside of the sound box 11 is fixedly connected with an expansion body 12, the expansion body 12 is divided into an inner layer and an outer layer, the outer layer of the expansion body 12 is provided with an inlet and outlet through hole 17, the inside of the sound box 11 is fixedly connected with a micro air pump 13, the air outlet of the micro air pump 13 is connected with an air outlet pipe, the air outlet pipe passes through the outer wall of the sound box 11 and is connected with the inner layer of the expansion body 12, the inside of the sound box 11 is connected with an impact structure 30, the inside of the sound box 11 is installed with a driving structure 20, the inside of the sound box 11 is installed with a sound sensor 14, the outside of the sound box 11 is installed with a main controller 15, and the sound sensor 14 and the main controller 15 are electrically connected;

[0024] The driving structure 20 is used to drive the impact structure 30 to impact the wall surface to generate vibration.

[0025] In this embodiment, specifically: during use, the user can attach the sound box 11 to the wall, and start the micro air pump 13 to extract the gas in the inner layer of the expansion body 12, so that a negative pressure is formed in the inner layer of the expansion body 12, and the sound box 11 is adsorbed on the wall by the negative pressure, and the gas extracted from the outer layer of the expansion body 12 will be filled into the inner layer of the expansion body 12, so that the inner layer of the expansion body 12 expands, and after the inner layer of the expansion body 12 expands, the space formed between the sound box 11 and the wall is further sealed, and after the sealing is completed, the driving structure 20 drives the impact structure 30 to impact the wall to produce feedback sound, and after different feedback sounds occur, the feedback sound is collected by the sound sensor 14, and the sound data is analyzed by the main controller 15 to provide the user with a clear analysis of the hollow drum sound.

[0026] In this embodiment, specifically: by extracting the air in the inner layer of the expansion body 12 and adsorbing the sound receiving box 11 as a whole onto the wall, a sealed sound transmission channel can be formed between the wall and the sound receiving box 11 .

[0027] In this embodiment, specifically: the outside of the air outlet pipe is connected to the diverter valve 16, and the diverter valve 16 passes through the outer wall of the sound box 11. The diverter valve 16 connected to the outside of the air outlet pipe can discharge the gas sucked by the micro air pump 13 through the inlet and outlet holes 17 to the outside through the diverter valve 16.

[0028] In this embodiment, specifically: the impact structure 30 includes a supporting connecting rod 31, the supporting connecting rod 31 is fixedly connected to the inside of the sound box 11, the outside of the supporting connecting rod 31 is slidably connected with an impact hammer 32, the outside of the impact hammer 32 is fixedly connected with a baffle 33, and the outside of the supporting connecting rod 31 is provided with a spring 34.

[0029] In this embodiment, specifically: the driving structure 20 includes an upper support frame 25, the upper support frame 25 is fixedly connected to the inner wall of the sound box 11, the inner wall of the sound box 11 is rotatably connected to the bottom connecting rod 21, the bottom connecting rod 21 is located below the upper support frame 25, the outside of the bottom connecting rod 21 is fixedly connected to a driving pulley, the outside of the upper support frame 25 is rotatably connected to a driven pulley, the driving pulley outside the bottom connecting rod 21 and the driven pulley outside the upper support frame 25 are connected by belt transmission, the outside of the driven pulley located on the upper support frame 25 is fixedly connected to an elliptical pushing plate 26, the outside of the bottom connecting rod 21 is fixedly connected to a driven gear 24, the inside of the sound box 11 is fixedly connected to a driving motor 22, the output shaft of the driving motor 22 is fixedly connected to a driving gear 23, and the driving gear 23 and the driven gear 24 are meshed.

[0030] In this embodiment, specifically: during use, the driving motor 22 can be started to drive the driving gear 23 to rotate, and the rotation of the driving gear 23 will drive the driven gear 24 and the bottom connecting rod 21 to rotate, and the rotation of the bottom connecting rod 21 will drive the driving pulley and the driven pulley to rotate, and the rotation of the driven pulley driven by the driving pulley will drive the elliptical push plate 26 to rotate, and the rotation of the elliptical push plate 26 will continue to push the baffle 33 and the impact hammer 32 forward according to the shape of the elliptical push plate 26, and the impact hammer 32 that continuously moves forward hits the wall, and a knocking feedback is formed by hitting the wall, and the impact hammer 32 will be pulled back to its original position by the supporting connecting rod 31 after hitting the wall, and the repeated knocking is continuously formed by the rotation of the elliptical push plate 26, and one end of the supporting connecting rod 31 is fixedly connected to the inside of the sound box 11.

[0031] In this embodiment, specifically: a handle 50 is fixedly connected to the sound box 11 , and the handle 50 provides a fulcrum for the user, so that the user can move the sound box 11 through the handle 50 .

[0032] In this embodiment, specifically: the telescopic support rod 10 is composed of multiple hollow rods combined with each other, and the outer walls and inner walls of the multiple hollow rods are set to rough surfaces. Through the setting of the telescopic support rod 10, it is convenient for users to knock on high walls, and the setting of the rough surface enables the multiple hollow rods to still maintain support in the stretched state, and can maintain a certain support performance.

[0033] In this embodiment, specifically: the connection structure includes an articulated seat 40 and a damping shaft 41, the articulated seat 40 is fixedly connected to the outer bottom wall of the sound box 11, the damping shaft 41 is rotatably connected to the inside of the articulated seat 40, and the top end of the telescopic support rod 10 is fixedly connected to the outside of the damping shaft 41. Through the arrangement of the articulated seat 40 and the damping shaft 41, it can be ensured that the sound box 11 can be positioned at different angles on the telescopic support rod 10, and by achieving different angles of positioning, the sound box 11 can be more closely attached to the wall.

[0034] Working principle: During use, the user moves the sound box 11 to the designated position through the telescopic support rod 10, and extracts the gas in the inner layer of the expansion body 12 by starting the micro air pump 13, so that negative pressure is formed in the outer space of the expansion body 12, and the sound box 11 is adsorbed on the wall by the negative pressure, and the gas extracted from the outer layer of the expansion body 12 will be filled into the inner layer of the expansion body 12, so that the inner layer of the expansion body 12 will expand, and after the inner layer of the expansion body 12 expands, the space formed between the sound box 11 and the wall is further sealed. When the sealed space is formed, the driving motor 22 can be started to drive the driving gear 23 to rotate, and the rotation of the driving gear 23 will drive the driven gear 24 and the bottom connecting rod 21 to rotate. The rotation of the bottom connecting rod 21 will drive the active pulley and the driven pulley to rotate, and the rotation of the driven pulley driven by the active pulley will drive the elliptical push plate 26 to rotate. The rotation of the elliptical push plate 26 will continuously push the baffle 33 and the impact hammer 32 forward according to the shape of the elliptical push plate 26. The impact hammer 32 that continuously moves forward hits the wall, and a knocking feedback is formed by hitting the wall. After the impact hammer 32 hits the wall, it will be pulled back to its original position by the supporting connecting rod 31, and repeated knocking will be continuously formed through the rotation of the elliptical push plate 26. During the repeated knocking process of the impact hammer 32, the sound of the knocking feedback is collected through the sound receiving sensor 14, and analyzed and detected by the main controller 15.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wall hollowing detection device for construction engineering quality inspection, comprising a telescopic support rod (10) and a sound receiving box (11), wherein the sound receiving box (11) is mounted on the top of the telescopic support rod (10) via a connecting structure, and is characterized in that: The outside of the sound receiving box (11) is fixedly connected to an expansion body (12), the expansion body (12) is divided into an inner layer and an outer layer, the outer layer of the expansion body (12) is provided with an inlet and outlet through hole (17), the inside of the sound receiving box (11) is fixedly connected to a micro air pump (13), the air outlet of the micro air pump (13) is connected to an air outlet pipe, the air outlet pipe passes through the outer wall of the sound receiving box (11) and is connected to the inner layer of the expansion body (12), the inside of the sound receiving box (11) is connected to an impact structure (30), the inside of the sound receiving box (11) is equipped with a driving structure (20), the inside of the sound receiving box (11) is equipped with a sound receiving sensor (14), the outside of the sound receiving box (11) is equipped with a main controller (15), and the sound receiving sensor (14) and the main controller (15) are electrically connected; The driving structure (20) is used to drive the impact structure (30) to impact the wall surface to generate vibration.

2. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: The outside of the air outlet pipe is connected to a diverter valve (16), and the diverter valve (16) passes through the outer wall of the sound receiving box (11).

3. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: The impact structure (30) comprises a supporting connecting rod (31), the supporting connecting rod (31) being fixedly connected to the inside of the sound receiving box (11), an impact hammer (32) being slidably connected to the outside of the supporting connecting rod (31), a baffle (33) being fixedly connected to the outside of the impact hammer (32), and a spring (34) being sleeved on the outside of the supporting connecting rod (31).

4. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: The driving structure (20) comprises an upper support frame (25), the upper support frame (25) being fixedly connected to the inner wall of the sound receiving box (11), the inner wall of the sound receiving box (11) being rotatably connected to a bottom connecting rod (21), the bottom connecting rod (21) being located below the upper support frame (25), the outside of the bottom connecting rod (21) being fixedly connected to a driving pulley, the outside of the upper support frame (25) being rotatably connected to a driven pulley, the driving pulley outside the bottom connecting rod (21) The wheel and the driven pulley outside the upper support frame (25) are connected by belt transmission, the driven pulley located on the upper support frame (25) is fixedly connected to the outside with an elliptical push plate (26), the outside of the bottom connecting rod (21) is fixedly connected to a driven gear (24), the inside of the radio box (11) is fixedly connected to a driving motor (22), the output shaft of the driving motor (22) is fixedly connected to a driving gear (23), and the driving gear (23) and the driven gear (24) are meshed.

5. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: A handle (50) is fixedly connected to the sound receiving box (11).

6. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: The telescopic support rod (10) is composed of a plurality of hollow rods combined with each other, and the outer walls and inner walls of the plurality of hollow rods are both configured as rough surfaces.

7. A wall hollowing detection device for construction engineering quality inspection according to claim 1, characterized in that: The connection structure comprises an articulated seat (40) and a damping shaft (41); the articulated seat (40) is fixedly connected to the outer bottom wall of the sound receiving box (11); the damping shaft (41) is rotatably connected to the interior of the articulated seat (40); and the top end of the telescopic support rod (10) is fixedly connected to the exterior of the damping shaft (41).

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