Civil engineering hollowing detection device

By integrating the inspection stamp into the hollow drum detection device, the problem of the existing device lacking a marking function is solved, and instant marking and recording of hollow drum detection is achieved, thereby improving work efficiency and accuracy.

CN223413257UActive Publication Date: 2025-10-03GUANGDONG FINANCE & TRADE CONSTR ENG CONSULTING CO LTD
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Patent Information

Application Number
CN202422434139.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-10-03
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

Existing hollowing detection devices lack a marking function, which requires additional marking after detection, making the operation cumbersome and the work efficiency low.

Method used

A hammer head with an inspection stamp is designed. Combined with the hammering function, the inspection stamp can be used to instantly stamp and mark the hollow position. It includes an ink storage sponge, an isolation rubber layer and an inclined stamp surface design to ensure the accuracy and convenience of marking.

Benefits of technology

Real-time marking and recording are achieved during the hollowing detection process, improving work efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of constructional engineering quality detection, in particular to a civil engineering hollowing detection device. A civil engineering hollowing detection device comprises a hammer handle and a hammer head integrally connected with the hammer handle, a T-shaped head is arranged at the top end of the hammer handle, the hammer head is connected to one end of the T-shaped head, the other end of the T-shaped head is connected with an inspection seal, the inspection seal comprises an outer shell connected with the T-shaped head and an inner shell fixed in the outer shell, and an embedding groove is formed in the inner shell. An ink storage sponge exceeding a notch of the caulking groove is assembled in the caulking groove, the surface of the ink storage sponge is wrapped with an isolation rubber layer, and the isolation rubber layer is provided with an ink outlet hollow part at the seal face of the inspection seal. According to the utility model, the hammer head for hollowing detection knocking and the inspection seal are combined, and after the hollowing position is detected through knocking, seal marking is carried out on the position through the inspection seal, so that marking and recording can be carried out in real time while hollowing detection is carried out, and the working efficiency and accuracy are greatly improved.
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Description

Technical Field

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

[0002] A hollow hammer is a commonly used inspection tool in construction projects. It is also called a hammer sounder or a percussion instrument. By knocking on walls or the ground, it can quickly detect defects such as looseness, hollowness, cracks, etc. in structures such as walls and ground, thereby avoiding construction quality problems. It is a simple, fast and accurate non-destructive testing device.

[0003] For example, Chinese utility model patent CN215449100U discloses a hollowing detection device for civil engineering. During detection, the device taps the plaster layer and the leveling layer with a thumping sound to indicate a hollow. The device is also equipped with a telescopic device and a connecting device to make it more convenient and quick to use. However, most hollowing detection devices in the market do not have a marking function, requiring additional marking after hollowing detection, which is cumbersome to operate and inefficient. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

[0005] A civil engineering hollowing detection device includes a hammer handle and a hammer head integrally connected to the hammer handle, a T-shaped head is provided at the top of the hammer handle, the hammer head is connected to one end of the T-shaped head, and the other end of the T-shaped head is connected to an inspection stamp, the inspection stamp includes an outer shell connected to the T-shaped head and an inner shell fixed in the outer shell, an embedding groove is provided in the inner shell, an ink storage sponge extending beyond the groove is assembled in the embedding groove, the surface of the ink storage sponge is wrapped with an isolation rubber layer, and the isolation rubber layer is provided with a hollow portion for ink outlet at the seal surface of the inspection stamp.

[0006] Furthermore, a connecting tube which passes through the interior of the outer shell and is threadedly connected to the T-head through the connecting tube is provided on the back of the inspection stamp. A support bar is connected between the inner shell and the outer shell to form a gap between the two. A sliding chamber is provided between the back of the inner shell and the connecting tube. A partition which slides with the chamber is provided in the sliding chamber. A spring which is pressed against the T-head and the partition is provided in the connecting tube. A baffle which extends from the gap between the inner shell and the outer shell and exceeds the stamp surface is provided on the edge of the partition.

[0007] Furthermore, the inspection stamp is tilted upwards at an angle of 10 to 15 degrees.

[0008] Furthermore, a detachable protective cover is provided on the surface of the inspection stamp.

[0009] Furthermore, a funnel-shaped ink-filling port is provided on the top of the outer shell, and small holes corresponding to the ink-filling port are provided on the inner shell and the isolation rubber layer.

[0010] Furthermore, the surface of the hammer head is wrapped with a plastic protective shell.

[0011] Compared with the existing technology, the beneficial effects achieved by the utility model are as follows: the utility model combines the hammer head for hollow drum detection and the inspection stamp, and after the hollow drum position is detected by knocking, the inspection stamp is used to stamp and mark the position, so that marking and recording can be performed immediately while hollow drum detection is being performed, which greatly improves work efficiency and accuracy.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 It is a structural schematic diagram of the T-shaped head in the utility model.

[0016] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0017] Figure 4 It is a structural diagram of the inspection stamp in the utility model. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1A device for detecting hollowing in civil engineering includes a hammer handle 1 and a hammer head 2 integrally connected to the hammer handle 1. A T-shaped head 3 is provided at the top of the hammer handle 1. The hammer head 2 is connected to one end of the T-shaped head 3. The other end of the T-shaped head 3 is connected to an inspection stamp 4. The inspection stamp 4 includes an outer shell 41 connected to the T-shaped head 3 and an inner shell 42 fixed in the outer shell 41. A groove 43 is provided in the inner shell 42. An ink storage sponge 44 extending beyond the groove is fitted in the groove 43. The surface of the ink storage sponge 44 is wrapped with an isolation rubber layer 45. The isolation rubber layer 45 is provided with a hollow portion 451 for ink outlet at the seal surface of the inspection stamp 4. The utility model combines the hammer head 2 for hollowing detection and the inspection stamp 4. After the hollowing position is detected by knocking, the inspection stamp 4 is used to stamp and mark the position. This allows for immediate marking and recording during hollowing detection, greatly improving work efficiency and accuracy.

[0020] Furthermore, a connecting tube 411 is provided on the back of the outer shell 41 of the inspection stamp 4, which passes through the interior of the outer shell 41 and is threadedly connected to the T-head 3 through the connecting tube 411. A support bar 421 is connected between the inner shell 42 and the outer shell 41 to form a gap between the two. A sliding chamber 412 is provided between the back of the inner shell 42 and the connecting tube 411. A partition 46 that slides with it is provided in the sliding chamber 412. A spring 47 is provided in the connecting tube 411 to abut against the T-head 3 and the partition 46. The edge of the partition 46 is provided with a baffle 461 that extends from the gap between the inner shell 42 and the outer shell 41 and exceeds the stamp surface.

[0021] Furthermore, the seal face of the inspection seal 4 is tilted upwards with an angle of 10-15 degrees. When stamping, the seal face is parallel to the stamped surface. The tilt angle of the seal face can make the hammer handle 1 tilt up so that the operator can better hold the hammer handle 1.

[0022] Furthermore, a detachable protective cover 48 is provided on the seal surface of the inspection seal 4. Specifically, Figure 4 As shown, a protrusion 462 is provided on the outer side of the baffle 461, and a groove corresponding to the protrusion 462 is provided in the protective cover 48. The protective cover 48 is installed on the baffle 461 by snapping the groove and the protrusion 462 together. The protective cover 48 can prevent the ink from drying up or being contaminated by dust during carrying or storage, thereby protecting the integrity and service life of the inspection stamp 4.

[0023] Furthermore, a funnel-shaped ink filling port 413 is provided on the top of the outer shell 41, and a small hole 49 corresponding to the ink filling port 413 is provided on the inner shell 42 and the isolation rubber layer 45. Figure 2 、 3 As shown, after adding ink to the ink filling port 413, the ink storage sponge 44 exposed at the small hole 49 can absorb the ink, making it convenient for the user to add ink and extending the service life of the device.

[0024] Furthermore, the surface of the hammer head 2 is wrapped with a plastic protective shell 21 to prevent damage to the surface of the civil engineering to be inspected during the knocking test.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

Claims

1. A civil engineering hollowing detection device, comprising a hammer handle and a hammer head integrally connected to the hammer handle, characterized in that: A T-shaped head is provided at the top of the hammer handle, the hammer head is connected to one end of the T-shaped head, and the other end of the T-shaped head is connected to an inspection stamp. The inspection stamp includes an outer shell connected to the T-shaped head and an inner shell fixed in the outer shell. A groove is provided in the inner shell, and an ink storage sponge that extends beyond the groove is installed in the groove. The surface of the ink storage sponge is wrapped with an isolation rubber layer, and the isolation rubber layer is provided with a hollow portion for ink outlet on the seal surface of the inspection stamp.

2. A civil engineering hollowing detection device according to claim 1, characterized in that: A connecting tube that passes through the interior of the inspection stamp is provided on the back of the outer shell and is threadedly connected to the T-head through the connecting tube. A support bar is connected between the inner shell and the outer shell to form a gap between the two. A sliding chamber is provided between the back of the inner shell and the connecting tube. A partition that slides with it is provided in the sliding chamber. A spring is provided in the connecting tube to abut against the T-head and the partition. The edge of the partition is provided with a baffle that extends from the gap between the inner shell and the outer shell and exceeds the stamp surface.

3. A civil engineering hollowing detection device according to claim 1, characterized in that: The inspection stamp is tilted upwards at an angle of 10 to 15 degrees.

4. A civil engineering hollowing detection device according to claim 1, characterized in that: The inspection stamp is provided with a detachable protective cover.

5. A civil engineering hollowing detection device according to claim 1 or 2, characterized in that: A funnel-shaped ink-filling port is provided on the top of the outer shell, and small holes corresponding to the ink-filling port are provided on the inner shell and the isolation rubber layer.

6. A civil engineering hollowing detection device according to claim 1, characterized in that: The surface of the hammer head is covered with a plastic protective shell.

Citation Information

Patent Citations

  • Civil engineering hollowing detection device

    CN215449100U