Construction engineering detection device

The construction engineering inspection device driven by rollers and cams achieves high efficiency and accuracy in detecting hollow walls, solving the problems of high labor intensity and low efficiency in traditional methods, improving inspection efficiency and protecting the wall surface.

CN224231710UActive Publication Date: 2026-05-12康冬冬
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
康冬冬
Filing Date
2025-05-29
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Traditional methods for detecting hollow walls are labor-intensive, inefficient, and difficult to perform efficient large-area inspections.

Method used

A building engineering testing device was designed, which uses a combination of rollers and cams to drive a sliding column to continuously strike a soft hammer head. Combined with an adjustment component, the striking force is dynamically adjusted to achieve continuous and periodic striking of the wall surface by the soft hammer head.

Benefits of technology

It significantly reduces the labor intensity of manual tapping, improves the efficiency of large-area wall inspection, and adjusts the tapping force according to the wall material to protect the wall from damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a constructional engineering detection device, which relates to the technical field of constructional engineering detection and comprises a shell. The roller is rotationally arranged in the shell through a rotating shaft; the cam is fixed on a rotating shaft of the roller, and the outer wall of the cam consists of a continuous curved surface and a step surface; the mounting sleeve is fixed to the outer wall of the shell, an adjusting assembly is arranged at the top end of the mounting sleeve, and a sliding column with a soft hammer penetrates through the bottom end of the mounting sleeve in a sliding mode; the utility model has the beneficial effects that the soft hammer head arranged on the sliding column is matched with a continuous rotation driving mechanism of the roller, so that the soft hammer head can continuously and periodically knock the wall surface in the advancing process of the roller. When the roller rolls along the wall surface at a constant speed, the sliding column drives the soft hammer head to reciprocate under the action of the cam and the follow-up rod, and a worker judges whether the wall surface is hollow or not according to echoes generated by collision between the end face of the hammer head and the wall surface. According to the design, the labor intensity of manual reciprocating knocking is greatly reduced, and the large-area wall surface detection efficiency is remarkably improved.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering testing technology, specifically a building engineering testing device. Background Technology

[0002] In the field of building construction quality inspection, the detection of hollow spots in walls is a crucial step, directly affecting the structural safety and service life of buildings. Currently, the industry commonly uses the soft hammer tapping method to detect hollow spots in walls. The principle is to tap the wall with a soft hammer and judge the presence of hollow spots based on the difference in the sound produced.

[0003] However, this traditional testing method has obvious drawbacks. In actual operation, the testers need to hold a soft hammer and repeatedly strike the surface. Especially when facing a large area of ​​wall, the labor intensity is extremely high and the testing efficiency is extremely low, which consumes a lot of manpower and time.

[0004] In summary, a new type of building engineering testing device needs to be developed to achieve efficient and accurate detection of hollow walls. Utility Model Content

[0005] In view of the shortcomings of the existing technology, this utility model provides a building engineering testing device.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A construction engineering testing device, comprising a housing;

[0008] The rollers are rotatably mounted inside the housing via a rotating shaft.

[0009] The cam is fixed on the rotating shaft of the roller, and its outer wall consists of a continuous curved surface and a first-order surface;

[0010] The mounting sleeve is fixed to the outer wall of the housing. It has an adjustment component at the top and a sliding column with a soft hammer head sliding through the bottom.

[0011] The sliding column includes:

[0012] The follower rod is fixed to the outer wall of the slide column and extends to the outer wall of the cam along the rotation path. It is used to drive the slide column to move axially as the cam rotates.

[0013] A spring is connected at one end to the top of the sliding column and at the other end to the adjusting component. The follower rod is always in contact with the outer wall of the cam by the spring force.

[0014] When the cam rotates, the follower rod drives the slide column to move axially back and forth, forming a striking action.

[0015] Preferably, when the follower rod transitions from the stepped surface to the curved surface, the soft hammer head on the slide column extends 0.2 to 0.5 cm beyond the roller.

[0016] Preferably, the outer wall of the sliding column is clearance-fitted with the inner wall of the mounting sleeve.

[0017] Preferably, the adjusting assembly includes a screw threaded through the mounting sleeve, and a push plate that contacts the spring is fixed at the bottom end of the screw.

[0018] Preferably, it also includes a telescopic handle, the end of which is provided with a socket with a polygonal inner wall, and the outer wall of the housing is provided with a plug that cooperates with the socket, for multi-directional adjustment of the relative angle between the telescopic handle and the sliding column.

[0019] Preferably, the insert block locks the relative position of the housing and the telescopic handle by bolts.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] 1. By using a soft hammer head mounted on a sliding column in conjunction with a continuously rotating roller, the soft hammer head can perform a continuous, periodic tapping motion on the wall surface as the roller travels. As the roller rolls at a constant speed along the wall, the sliding column, driven by a cam and a follower rod, propels the soft hammer head in a reciprocating motion. Workers determine whether the wall surface is hollow by the echo produced when the hammer head strikes the wall. This design not only significantly reduces the labor intensity of manual tapping but also significantly improves the efficiency of inspecting large-area walls.

[0022] 2. The spring compression can be controlled by an adjustable component, thereby dynamically adjusting the impact force of the soft hammer at the end of the sliding column. This adjustable component uses a threaded drive structure, allowing inspectors to change the spring preload by adjusting the screw according to the different characteristics of the wall material (such as plaster, ceramic tile, concrete substrate, etc.). When the spring compression increases, the soft hammer gains greater impact kinetic energy; conversely, a decrease in compression reduces the impact force. Attached Figure Description

[0023] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts. Wherein:

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a partial cross-sectional view of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the roller and cam in this utility model;

[0027] Figure 4 This is a partial exploded view of the present invention.

[0028] The following are the markings in the diagram: 1. Housing; 11. Insert block; 12. Bolt; 2. Roller; 3. Cam; 31. Stepped surface; 4. Mounting sleeve; 5. Adjustment assembly; 51. Screw; 52. Push plate; 6. Slide column; 61. Follower rod; 62. Spring; 7. Telescopic handle; 71. Insert sleeve. Detailed Implementation

[0029] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0030] Example

[0031] like Figures 1-4 As shown, a building engineering testing device includes a housing 1.

[0032] Roller 2 is rotatably mounted inside housing 1 via a rotating shaft; its main function is to serve as a driving component for the movement of the device on the wall, enabling the detection device to move smoothly on the wall, reducing the resistance of manually pushing the device, and improving detection efficiency.

[0033] Cam 3, fixed to the rotating shaft of roller 2, has an outer wall composed of a continuous curved surface and a first-order surface 31. When roller 2 drives cam 3 to rotate, the change in the curved profile of cam 3 drives follower rod 61, which in turn causes slide column 6 to move axially back and forth, realizing continuous hammering of the wall. The circular motion of roller 2 is converted into the linear reciprocating motion of slide column 6, ensuring the regularity and continuity of the hammering action.

[0034] The mounting sleeve 4 is fixed to the outer wall of the housing 1. The top of the sleeve is equipped with an adjustment component 5, and the bottom is slidably fitted with a sliding column 6 with a soft hammer. The outer wall of the sliding column 6 is clearance-fitted with the inner wall of the mounting sleeve 4. This provides a sliding track for the sliding column 6, ensuring the stability and accuracy of the sliding column 6 in axial movement.

[0035] The adjusting component 5 includes a screw 51 threaded onto the mounting sleeve 4, with a push plate 52 fixed to the bottom end of the screw 51, which contacts the spring 62. By changing the compression of the spring 62, the impact force of the soft hammer on the wall can be adjusted. The impact force can be controlled within a suitable range according to different wall materials, ensuring both detection effectiveness and avoiding damage to the wall, greatly improving the applicability of the device.

[0036] Sliding column 6 includes:

[0037] The follower rod 61 is fixed to the outer wall of the slide column 6 and extends to the rotation path of the outer wall of the cam 3. It is used to drive the slide column 6 to move axially as the cam 3 rotates. As a transmission component connecting the cam 3 and the slide column 6, it can sense the change in the profile of the cam 3 in real time and convert the rotation of the cam 3 into the axial movement of the slide column 6 to ensure the accurate execution of the striking action.

[0038] Spring 62, with one end connected to the top of slide column 6 and the other end abutting against adjustment component 5, provides restoring force, ensuring that follower rod 61 always fits against the outer wall of cam 3, and guaranteeing that slide column 6 can return to its original position in time during the striking process.

[0039] Maintain the continuity of the tapping motion.

[0040] In addition, when the follower rod 61 transitions from the stepped surface 31 to the curved surface, the soft hammer head on the sliding column 6 extends 0.2 to 0.5 cm outside the roller 2, so that the soft hammer head can act on the wall surface and produce a certain deformation effect.

[0041] It also includes a telescopic handle 7, the end of which is provided with a socket 71 with a polygonal inner wall, and the outer wall of the housing 1 is provided with a plug 11 that cooperates with the socket 71, for multi-directional adjustment of the relative angle between the telescopic handle 7 and the sliding column 6; the plug 11 is locked with bolts 12 to lock the relative position between the housing 1 and the telescopic handle 7; the operator can flexibly adjust the angle of the telescopic handle 7 according to the actual testing needs and operating habits, and maintain a comfortable operating posture when testing walls at different heights and positions, thereby improving the convenience and flexibility of the testing operation.

[0042] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A building engineering testing device, characterized in that, include: Shell (1); Roller (2) is rotatably mounted inside housing (1) via a rotating shaft; The cam (3) is fixed on the rotating shaft of the roller (2), and its outer wall is composed of a continuous curved surface and a first-order surface (31); The mounting sleeve (4) is fixed to the outer wall of the housing (1). The top of the sleeve is provided with an adjustment component (5), and the bottom is provided with a sliding column (6) with a soft hammer. The sliding column (6) includes: Follower rod (61) is fixed to the outer wall of slide column (6) and its end extends to the rotation path of the outer wall of cam (3). It is used to drive slide column (6) to move axially as cam (3) rotates. The spring (62) is connected at one end to the top of the slide column (6) and at the other end to the adjustment component (5). The follower rod (61) is always in contact with the outer wall of the cam (3) by the elastic force of the spring (62). When the cam (3) rotates, the follower rod (61) drives the slide (6) to move axially back and forth to form a striking action.

2. The building engineering testing device according to claim 1, characterized in that: When the follower rod (61) transitions from the stepped surface (31) to the curved surface, the soft hammer on the sliding column (6) extends 0.2 to 0.5 cm beyond the roller (2).

3. The building engineering testing device according to claim 2, characterized in that: The outer wall of the sliding column (6) is fitted with the inner wall of the mounting sleeve (4) with a clearance.

4. The building engineering testing device according to claim 1, characterized in that: The adjusting assembly (5) includes a screw (51) threaded through the mounting sleeve (4), and a push plate (52) that contacts the spring (62) is fixed at the bottom end of the screw (51).

5. A building engineering testing device according to claim 1, characterized in that: It also includes a telescopic handle (7), the end of which is provided with a socket (71) with a polygonal inner wall, and the outer wall of the housing (1) is provided with a plug (11) that cooperates with the socket (71) for multi-directional adjustment of the relative angle between the telescopic handle (7) and the sliding column (6).

6. A building engineering testing device according to claim 5, characterized in that: The insert (11) locks the relative position of the housing (1) and the telescopic handle (7) with bolts (12).