Hollow drum hammer for constructional engineering detection
By combining a high-carbon steel hammerhead with a detachable connection structure, LED lighting, and automatic marking functions, the problems of easy wear and cumbersome operation of hollow hammerheads are solved, achieving efficient and accurate building inspection.
Patent Information
- Application Number
- CN202520187034.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing hollow-drum hammers have hammerheads that are prone to wear and deformation, resulting in inaccurate detection effects. The lack of auxiliary functions also leads to cumbersome operation.
The hammerhead is made of high-carbon steel and features a detachable connection structure, combined with LED lighting and automatic marking functions to ensure hammerhead stability and easy operation.
It improves the accuracy and efficiency of testing, reduces the hassle of hammer replacement, simplifies marking operations, and enhances the convenience of testing.
Smart Images

Figure CN223870606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building engineering detection technical field especially relates to a building engineering detects with empty drum hammer. BACKGROUND
[0002] In the field of building engineering, the empty drum hammer is an important quality detection tool, which is of great significance to ensure the building quality, and is widely used in building wall, ground, ceiling and masonry structure, plaster layer, veneer brick and ground paving engineering and other parts. After construction, due to construction technology, materials and environment and other factors, the empty drum phenomenon often occurs. The empty drum hammer detects the empty drum by knocking the surface and judging according to the sound difference. The operation is simple. However, the current empty drum hammer has obvious defects. On the one hand, the hammer head is made of metal material, which will be worn and deformed due to frequent knocking for a long time, seriously affecting the detection effect, and further interfering with the accurate evaluation of the building quality. On the other hand, it can only be simply knocked and judged by sound, lacks auxiliary function, leads to inconvenient actual operation, and detection personnel need additional tools for assistance, increases the complexity of work, and affects the detection efficiency. UTILITARIAN CONTENT
[0003] The main purpose of the utility model is to provide an empty drum hammer for building engineering detection, which can effectively solve the problems in the background art.
[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0005] An empty drum hammer for building engineering detection, comprising a handle, a plurality of anti-skid grooves are formed on the outer surface of the handle, a control keyboard and a rubber block are fixedly connected to the right part of the outer surface of the handle from top to bottom, three finger grooves are formed on the end of the rubber block away from the handle, a long rod is fixedly connected to the middle part of the upper end of the handle, a left-right through circular hole receiving groove is formed on the upper part of the outer surface of the long rod, anti-slip limiting grooves are formed in the middle part of the inner front wall and the inner rear wall of the circular hole receiving groove, a small back plate frame is fixedly connected to the upper part of the outer surface of the long rod, the small back plate frame is located in the right of the circular hole receiving groove, a marking structure is fixedly connected to the middle part of the right end of the small back plate frame, the left part of the marking structure is located in the circular hole receiving groove and is slidably connected with the two anti-slip limiting grooves, an LED lighting lamp group is fixedly connected to the upper part of the outer surface of the long rod, the LED lighting lamp group is located above the circular hole receiving groove, an insertion slot is formed in the middle part of the upper end of the long rod, front and rear through screw holes are formed in the front part of the outer surface of the long rod, screws are threadedly movably connected in the screw holes, positioning grooves are formed in the left part and the right part of the outer surface of the long rod, and a detachable hammer head structure is movably inserted into the insertion slot.
[0006] Preferably, the detachable hammer head structure comprises a high-carbon steel hammer head, a plug block is fixedly connected to the middle of the lower end of the high-carbon steel hammer head, a front-to-rear threaded through slot hole is formed in the front of the outer edge surface of the plug block, small clamping plates are fixedly connected to the left and right outer surfaces of the plug block, positioning blocks are fixedly connected to the sides of the two small clamping plates close to the plug block, and the two positioning blocks are not in contact with the plug block.
[0007] By adopting the above technical scheme, the high-carbon steel hammer head provides good hardness and durability, is suitable for knocking detection, the small clamping plates and the positioning blocks help accurate installation and positioning, ensure the stability of the hammer head during use, and guarantee normal detection operation of the hollowing hammer.
[0008] Preferably, the plug block is movably inserted into the insertion slot, the two positioning blocks are movably inserted into the two positioning slots, the plug block is movably clamped with the long rod through the two small clamping plates, and the threaded through slot hole and the screw are in position correspondence and size matching.
[0009] By adopting the above technical scheme, the plug block is inserted into the insertion slot and the positioning block is inserted into the positioning slot, which ensures accurate butt joint of the hammer head and the long rod, the movable clamping of the small clamping plate and the long rod makes the connection more firm and stable, the threaded through slot hole and the screw are in size matching, which facilitates reinforcement by the screw, ensures that the detachable hammer head structure will not loosen during use, and guarantees normal use of the hollowing hammer.
[0010] Preferably, the plug block is detachably connected with the long rod through the threaded through slot hole and the screw, and the high-carbon steel hammer head is located above the long rod and the LED lighting lamp group.
[0011] By adopting the above technical scheme, the plug block is detachably connected with the long rod through the threaded through slot hole and the screw, which facilitates replacement of the hammer head, the high-carbon steel hammer head is located above the long rod and the LED lighting lamp group, which is convenient for knocking detection and conducive to auxiliary detection operation by lighting.
[0012] Preferably, the marking structure comprises a pneumatic cylinder, the pneumatic cylinder is fixedly connected to the right end of the small back plate frame, an output end of the pneumatic cylinder penetrates through the middle of the right end of the small back plate frame and is fixedly connected with a plastic fixing frame, the plastic fixing frame is located in the circular hole receiving groove, two anti-slip blocks are fixedly connected to the left outer surface of the plastic fixing frame, a chalk fixing groove is formed in the middle of the left end of the plastic fixing frame, and a chalk head is movably clamped in the chalk fixing groove.
[0013] By adopting the above technical scheme, the pneumatic cylinder can drive the plastic fixing frame to move in the circular hole receiving groove, the anti-slip blocks ensure the stability of the plastic fixing frame, the chalk fixing groove facilitates installation and replacement of the chalk head, and the whole provides a convenient, flexible and stable marking means for marking the hollowing position during detection.
[0014] Preferably, the plasticity fixing frame is slidably connected with the long rod through two anti-slip blocks and two anti-slip limiting grooves, the left end surface of the chalk head is flush with the left end surface of the long rod, and the plasticity fixing frame does not contact the lower end surface of the LED lighting lamp group.
[0015] By adopting the technical scheme, the plasticity fixing frame is slidably connected with the long rod through the anti-slip blocks and the anti-slip limiting grooves, the left end surface of the chalk head is flush with the left end surface of the long rod, the chalk head is conveniently stored in the round hole storage groove when not used for marking, the chalk head does not contact the LED lighting lamp group, interference is avoided, and the marking operation is facilitated.
[0016] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0017] 1. In the utility model, the high-carbon steel hammer head provides sufficient hardness and strength to meet the knocking force required for hollow detection, the cooperation of the insertion block, the small clamping plate and the positioning block enables the hammer head to be accurately installed on the long rod, accurate position positioning and stable connection are realized through the insertion slot and the positioning slot, the combination of the threaded through slot and the screw facilitates the disassembly and replacement of the hammer head, the hammer head can be easily replaced when it is worn out due to long-term use, and the detachable connection ensures the maintainability of the hollow hammer, avoids the influence of hammer head damage on the detection work, and guarantees the convenience and accuracy of the detection operation.
[0018] 2. In the utility model, the cylinder can drive the plasticity fixing frame to move, so that the marking operation is more automated and convenient, the cumbersome manual marking is avoided, the chalk fixing groove of the plasticity fixing frame facilitates the installation and replacement of the chalk head, meets the multiple marking requirements, the anti-slip blocks and the anti-slip limiting grooves ensure the stability of the plasticity fixing frame sliding on the long rod, and ensure the accuracy of the marking position, the left end surface of the chalk head is flush with the left end surface of the long rod, and the chalk head is conveniently stored in the round hole storage groove when not in use, as a whole, after detecting the hollow, the position can be quickly and accurately marked, and the LED lighting lamp group does not interfere with each other, thereby improving the detection efficiency and convenience. ACCURACY
[0019] Figure 1 It is a whole structure schematic view of the hollow hammer for building engineering detection.
[0020] Figure 2 It is a whole schematic view of the long rod of the hollow hammer for building engineering detection.
[0021] Figure 3 It is a whole schematic view of the detachable hammer head structure of the hollow hammer for building engineering detection.
[0022] Figure 4 It is a whole schematic view of the marking structure of the hollow hammer for building engineering detection.
[0023] Figure: 1, handle; 2, anti-skid groove; 3, rubber block; 4, finger groove; 5, control keyboard; 6, long rod; 7, round hole storage groove; 8, small back plate frame; 9, marking structure; 10, LED lighting lamp group; 11, slot; 12, screw hole; 13, screw; 14, detachable hammer head structure; 15, anti-slip limiting groove; 16, positioning groove; 91, air cylinder; 92, plastic fixing frame; 93, pencil fixing groove; 94, anti-dropping slide block; 95, pencil head; 141, high-carbon steel hammer head; 142, plug; 143, threaded through slot hole; 144, small clamping plate; 145, positioning block. DETAILED DESCRIPTION
[0024] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described in conjunction with the specific embodiments.
[0025] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0026] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] Please refer to Figures 1-4 The present application provides a technical scheme:
[0028] The utility model provides an air hammer for building engineering detection, including handle 1, a plurality of antiskid groove 2 are opened to the outer surface of handle 1, the outer surface right part of handle 1 is fixedly connected with control keyboard 5 and rubber block 3 from top to bottom in proper order, three finger grooves 4 are opened to the end of rubber block 3 away from handle 1, the upper end middle part of handle 1 is fixedly connected with long pole 6, the outer surface upper end of long pole 6 is opened with the left and right through hole receiving groove 7, the inner front wall middle part of hole receiving groove 7 and the inner back wall middle part are all opened with anti -skid limit slot 15, the outer surface upper end of long pole 6 is fixedly connected with small back plate frame 8, small back plate frame 8 is located at the right side of hole receiving groove 7, the right end middle part of small back plate frame 8 is fixedly connected with mark structure 9, the left part of mark structure 9 is located in hole receiving groove 7 and is slidably connected with two anti -skid limit slots 15, the outer surface upper end of long pole 6 is fixedly connected with LED lighting lamp group 10, and LED lighting lamp group 10 is located above hole receiving groove 7, the upper end middle part of long pole 6 is opened with the slot 11, the outer surface front part of long pole 6 is opened with the front and rear through hole 12, the screw 13 is movably connected in screw hole 12, the outer surface left part and the outer surface right part of long pole 6 are all opened with the upper end through positioning groove 16, and the detachable hammer head structure 14 is movably inserted in the slot 11.
[0029] In the embodiment, the detachable hammer head structure 14 includes a high-carbon steel hammer head 141, the lower end middle part of the high-carbon steel hammer head 141 is fixedly connected with an insertion block 142, the outer edge face front part of the insertion block 142 is opened with a front and rear through thread groove hole 143, the outer surface left part and the outer surface right part of the insertion block 142 are both fixedly connected with small clamping plates 144, the side close to the insertion block 142 of the two small clamping plates 144 is both fixedly connected with a positioning block 145, the two positioning blocks 145 do not contact the insertion block 142, the insertion block 142 is movably inserted in the slot 11, the two positioning blocks 145 are respectively movably inserted in the two positioning grooves 16, the insertion block 142 is movably connected with the long pole 6 through the two small clamping plates 144, the thread groove hole 143 and the screw 13 are in position correspondence and size matching, the insertion block 142 is movably connected with the long pole 6 through the thread groove hole 143 and the screw 13, and the high-carbon steel hammer head 141 is located above the long pole 6 and the LED lighting lamp group 10.
[0030] Through the above scheme: the high-carbon steel hammer head 141 in the detachable hammer head structure 14 is the main knocking component, the lower end insertion block 142 is inserted into the slot 11, the positioning block 145 is inserted into the positioning groove 16, the long pole 6 is clamped through the small clamping plate 144, the detachable connection is realized by using the thread groove hole 143 and the screw 13, when the high-carbon steel hammer head 141 is deformed due to frequent knocking and wear, the new hammer head can be replaced by unscrewing the screw 13, so that the air hammer can be normally used.
[0031] In the embodiment, the marking structure 9 comprises a cylinder 91 fixedly connected with the right end of the small back plate frame 8, the output end of the cylinder 91 penetrates the middle part of the right end of the small back plate frame 8 and is fixedly connected with a plastic fixing frame 92, the plastic fixing frame 92 is located in the circular hole receiving groove 7, the outer surface left part of the plastic fixing frame 92 is fixedly connected with two anti-slip blocks 94, the middle part of the left end of the plastic fixing frame 92 is provided with a chalk fixing groove 93, the plastic fixing frame 92 is movably connected with the long rod 6 through the chalk fixing groove 93 and the two anti-slip blocks 94 and the two anti-slip limiting grooves 15, the left end surface of the chalk head 95 is flush with the left end surface of the long rod 6, and the plastic fixing frame 92 does not contact the lower end surface of the LED lighting lamp group 10.
[0032] By the above scheme, the cylinder 91 is fixed on the small back plate frame 8, the output end of the cylinder 91 is connected with the plastic fixing frame 92, the plastic fixing frame 92 is located in the circular hole receiving groove 7, the chalk fixing groove 93 on the plastic fixing frame 92 can be connected with the chalk head 95, and the plastic fixing frame 92 is movably connected with the long rod 6 through the anti-slip block 94 and the anti-slip limiting groove 15; when a detection personnel finds a hollow, the cylinder 91 can be controlled to push the plastic fixing frame 92 to extend out, and the chalk head 95 is used for marking, so that the detection personnel does not need to use an additional marking tool, the work amount is reduced, and convenience is provided for use.
[0033] It should be noted that the utility model discloses a kind of hollowing hammer for construction engineering detection, in use process, first, when using the hollowing hammer for construction engineering detection, detection personnel holds handle 1, anti-skid groove 2 can increase the friction force of holding, finger groove 4 is convenient for finger placement, improve the comfort of holding, the plug 142 of high carbon steel hammer head 141 is inserted into the insertion slot 11 of long rod 6, positioning block 145 is inserted into positioning groove 16, small clamping plate 144 is movably connected with long rod 6, then screw 13 is fixed by thread through slot hole 143, ensure that hammer head is installed firmly, when detecting, by swinging long rod 6, make high carbon steel hammer head 141 knock the surface of building, according to the difference of sound, judge whether there is hollow, if ambient light is relatively dark, can open LED lighting lamp group 10 auxiliary lighting, when detecting hollow, can operate control keyboard 5 to start the cylinder 91 in marking structure 9, the cylinder 91 pushes plastic fixing frame 92 and slides out from circular hole receiving groove 7 along anti-slip limiting groove 15, chalk head 95 is used for marking at hollow, anti-slip block 94 ensures the stable sliding of plastic fixing frame 92, chalk fixing groove 93 ensures the installation and replacement of chalk head 95, so the hollowing hammer integrates multiple functions, is convenient and practical, overall improves the efficiency and accuracy of building engineering hollow detection, reduces the work tedious degree of detection personnel.
[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A construction engineering detection with a hollowing hammer, comprising a handle (1), characterized in that: The outer surface of the handle (1) is provided with anti-skid grooves (2), the right part of the outer surface of the handle (1) is sequentially fixedly connected with a control keyboard (5) and a rubber block (3) from top to bottom, the end of the rubber block (3) away from the handle (1) is provided with three finger grooves (4), the upper end of the handle (1) is fixedly connected with an elongated rod (6), the outer surface of the upper end of the elongated rod (6) is provided with a left-right through circular hole receiving groove (7), the inner front wall and the inner rear wall of the circular hole receiving groove (7) are both provided with anti-skid limiting grooves (15), the outer surface of the upper end of the elongated rod (6) is fixedly connected with a small back plate frame (8), the small back plate frame (8) is located right in front of the circular hole receiving groove (7), the right end of the small back plate frame (8) is fixedly connected with a marking structure (9), the left part of the marking structure (9) is located in the circular hole receiving groove (7) and is in sliding connection with the two anti-skid limiting grooves (15), the outer surface of the upper end of the elongated rod (6) is fixedly connected with an LED lighting lamp group (10), the LED lighting lamp group (10) is located above the circular hole receiving groove (7), the upper end of the elongated rod (6) is provided with a slot (11), the front part of the outer surface of the elongated rod (6) is provided with front-rear through screw holes (12), the screw holes (12) are in threaded connection with screws (13), the left part and the right part of the outer surface of the elongated rod (6) are both provided with upper-end-through positioning grooves (16), and the slot (11) is movably inserted with a detachable hammer head structure (14).
2. A flatness hammer according to claim 1, wherein: The detachable hammer head structure (14) comprises a high-carbon steel hammer head (141), the lower end of the high-carbon steel hammer head (141) is fixedly connected with an insertion block (142), the outer edge of the insertion block (142) is provided with front-rear through threaded through groove holes (143), the left part and the right part of the outer surface of the insertion block (142) are both fixedly connected with small clamping plates (144), the side of the two small clamping plates (144) close to the insertion block (142) is both fixedly connected with positioning blocks (145), and the two positioning blocks (145) are both not in contact with the insertion block (142).
3. A flatness hammer according to claim 2, wherein: The insertion block (142) is movably inserted in the slot (11), the two positioning blocks (145) are movably inserted in the two positioning grooves (16), the insertion block (142) is movably clamped with the elongated rod (6) through the two small clamping plates (144), and the threaded through groove holes (143) and the screws (13) are in position correspondence and size matching.
4. A flatness detection hammer according to claim 2, wherein: The insertion block (142) is detachably connected with the elongated rod (6) through the threaded through groove holes (143) and the screws (13), and the high-carbon steel hammer head (141) is located above the elongated rod (6) and the LED lighting lamp group (10).
5. The flatness hammer according to claim 1, wherein: Said mark structure (9) includes the cylinder (91), the cylinder (91) is fixedly connected with the right end of small backplate frame (8), the output end of cylinder (91) penetrates the right end middle part of small backplate frame (8) and is fixedly connected with the plasticity fixed frame (92), the plasticity fixed frame (92) is located in round hole receiving groove (7), the outer surface left part of plasticity fixed frame (92) is fixedly connected with two anti-slip blocks (94), the left end middle part of plasticity fixed frame (92) is opened chalk fixed slot (93), the plasticity fixed frame (92) is movably connected with chalk head (95) through chalk fixed slot (93).
6. A flatness hammer according to claim 5, wherein: The plasticity fixed frame (92) is slidably connected with the long rod (6) through two anti-slip blocks (94) and two anti-slip limiting grooves (15), the left end surface of chalk head (95) is flush with the left end surface of long rod (6), the plasticity fixed frame (92) does not contact with the lower end surface of LED lighting lamp group (10).