Empty drum detection tool
By designing a hollow detection tool with anti-retraction mechanism and universal wheel, the efficiency, accuracy and labor-saving effect of hollow detection is achieved, and the problems of low accuracy and low efficiency of traditional hollow hammer detection are solved.
Patent Information
- Application Number
- CN202421513909.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-06-28
AI Technical Summary
Traditional hollow hammer detection accuracy is low, inefficient and labor-consuming, and the telescopic rod is easy to retract, making it difficult to fully cover the detection surface.
A hollow detection tool including a telescopic rod, a ball gimbal and a universal wheel is designed. The telescopic rod is equipped with an anti-retraction mechanism, and the universal wheel is equipped with a roller and a bubble pin, and the detection surface is hit by a rolling strike.
It improves detection accuracy and efficiency, reduces manual strength, avoids knocking omissions, and is simple and easy to operate.
Smart Images

Figure CN223205431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building decoration and renovation construction quality detection, in particular to a hollowing detection tool. Background Art
[0002] With the continuous standardization, standardization, refinement and intensification of construction quality in the construction industry, the inspection work of decoration and renovation projects has gradually developed in a more standardized, reasonable and convenient direction. Plastering, wall tiles, floor tiles and other surface layer practices are widely used in the decoration and renovation of various types of buildings, whether industrial buildings or civil buildings, and are currently the mainstream decoration practices. After the construction of the plaster layer and facing tiles is completed, the fullness of the mortar bonding is usually tested. Generally, a hollowing hammer is used to knock, and the sound is used to determine whether there is a hollowing problem. It is undeniable that although this detection tool can detect the location and area of the hollowing, there are still some problems as follows:
[0003] 1. The traditional telescopic hollowing hammer needs to be struck manually. Since it is difficult to fully cover the area, it is easy to miss some parts, resulting in low detection accuracy.
[0004] 2. During the tapping process, the telescopic rod is prone to retraction, requiring frequent manual stretching, which wastes unnecessary time and results in low detection efficiency.
[0005] 3. Since the accuracy of the detection depends on the density of the knocking, the greater the knocking density, the higher the intensity of the detection work, and accordingly more manpower is consumed. Utility Model Content
[0006] The purpose of the present invention is to provide a hollowing detection tool to solve the technical problems existing in the above-mentioned background technology.
[0007] To achieve the above purpose, the technical solution of the utility model is as follows:
[0008] A hollow drum detection tool is characterized in that it includes: a telescopic rod, a ball head and a universal wheel, the telescopic rod is provided with an anti-retraction mechanism, the telescopic end of the telescopic rod is connected to the universal wheel through the ball head, the universal wheel includes: a rotatable roller, a plurality of bubble nails are evenly arranged on the radial outer wall of the roller, and the roller drives the bubble nails to knock on the detection surface when the detection surface rolls.
[0009] Furthermore, the telescopic rod comprises: 5 sections of thin-walled tubes, tube clamps and rivets; the 5 sections of thin-walled tubes are inserted into each other step by step, and the left end is inserted into the tube clamp and fixed with a rivet.
[0010] Furthermore, the anti-retraction mechanism is a protrusion set on the left inner wall of the thin-walled tube and a groove on the right outer wall. In two adjacent thin-walled tubes, the protrusion on the outer thin-walled tube is clamped in the groove on the inner thin-walled tube, and the thin-walled tube is elastic.
[0011] Furthermore, the groove is an annular groove with a semicircular cross section, and the protrusion is an annular protrusion with a semicircular cross section.
[0012] Furthermore, an anti-skid mechanism is provided on the right side of the telescopic rod. The anti-skid mechanism is a rubber anti-skid sleeve, and the rubber anti-skid sleeve is provided with anti-skid grooves.
[0013] Furthermore, the ball head includes: an extension rod, a ball, a hinge seat, a locking mechanism and a connecting seat. The left end of the pipe clamp is fixedly connected to one end of the extension rod, and the other end of the extension rod is fixedly connected to the ball. A spherical groove is provided at the right end of the hinge seat, and the ball is hinged in the spherical groove. A locking mechanism is connected to the hinge seat to prevent the ball from rotating in the spherical groove, and the left end of the hinge seat is fixedly connected to the connecting seat.
[0014] Furthermore, the locking mechanism includes: a knob and a screw, the screw is fixedly connected to one end of the knob, a threaded hole passing through the spherical groove is opened on the hinge seat, the screw is threadedly connected to the threaded hole, and the length of the screw is greater than the depth of the threaded hole.
[0015] Furthermore, the universal wheel also includes: a connecting head, a bracket, a wheel axle and a nut. The connecting head includes a rectangular mounting plate and a connecting screw. The connecting screw is fixedly connected to the right end of the rectangular mounting plate. An internal threaded hole is opened at the left end of the connecting seat. The connecting screw is threadedly connected to the internal threaded hole. The left end of the connecting head is fixedly connected to the bracket. The inner side of the bracket is connected to the roller through the wheel axle. Two nuts are symmetrically threaded on the front and rear sides of the wheel axle.
[0016] Compared with the prior art, the beneficial effects of the present invention are:
[0017] 1. By using this hollowing detection tool, the detection speed is accelerated. It is more labor-saving and convenient than the previous ordinary hollowing hammer, and the detection efficiency is high.
[0018] 2. The rolling tapping method is adopted with dense tapping points to avoid omissions and improve detection accuracy.
[0019] 3. The utility model has a simple overall structure, is easy to process, has simple materials, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is the main view of the utility model;
[0021] Figure 2This is a schematic structural diagram of the anti-retraction mechanism on the outer sleeve and the inner sleeve of the utility model;
[0022] Figure 3 It is a bottom view of the present utility model.
[0023] The numbers in the accompanying drawings are: 1-telescopic rod, 2-anti-slip mechanism, 3-pipe clamp, 4-rivet, 5-extension rod, 6-ball, 7-hinge seat, 8-locking mechanism, 9-connecting seat, 10-connecting head, 11-bracket, 12-axle, 13-nut, 14-roller, 15-foam nail. DETAILED DESCRIPTION
[0024] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0025] See also Figures 1 to 3 As shown, a hollow drum detection tool includes: a telescopic rod 1, a ball head and a universal wheel. The telescopic rod 1 is provided with an anti-retraction mechanism. The telescopic end of the telescopic rod 1 is connected to the universal wheel through the ball head. The universal wheel includes: a rotatable roller 14. A plurality of bubble nails 15 are evenly arranged on the radial outer wall of the roller 14. When the roller 14 rolls on the detection surface, it drives the bubble nails 15 to knock on the detection surface.
[0026] In this embodiment, the telescopic rod 1 includes: five thin-walled tubes, a tube clamp 3 and a rivet 4; the five thin-walled tubes are inserted into each other step by step, and the left end is inserted into the tube clamp 3 and fixed with a rivet 4; the anti-retraction mechanism is a protrusion provided on the left inner wall of the thin-walled tube and a groove on the right outer wall. In two adjacent thin-walled tubes, the protrusion on the outer thin-walled tube is clamped into the groove on the inner thin-walled tube, and the thin-walled tube is elastic; the groove is an annular groove with a semicircular cross-section, and the protrusion is an annular protrusion with a semicircular cross-section.
[0027] In this embodiment, an anti-slip mechanism 2 is provided on the right side of the telescopic rod 1. The anti-slip mechanism 2 is a rubber anti-slip sleeve with anti-slip grooves. The provided rubber anti-slip sleeve can well ensure the friction of the operator holding the outer sleeve 1.
[0028] In this embodiment, the ball head includes: a rivet 4, an extension rod 5, a ball 6, a hinge seat 7, a locking mechanism 8 and a connecting seat 9. The left end of the pipe clamp 3 is fixedly connected to one end of the extension rod 5, and the other end of the extension rod 5 is fixedly connected to the ball 6. A spherical groove is provided at the right end of the hinge seat 7, and the ball 6 is hinged in the spherical groove. A locking mechanism 8 for preventing the ball 6 from rotating in the spherical groove is connected to the hinge seat 7. The left end of the hinge seat 7 is fixedly connected to the connecting seat 9. The inner sleeve 2 and the pipe clamp 3 are fixedly connected by the rivet 4; the locking mechanism 8 includes: a knob and a screw. The screw is fixedly connected to one end of the knob. A threaded hole passing through the spherical groove is provided on the hinge seat 7. The screw is threadedly connected to the threaded hole, and the length of the screw is greater than the depth of the threaded hole. The ball 6 can rotate in the spherical groove through the setting of the locking mechanism 8.
[0029] In this embodiment, the universal wheel also includes: a connecting head 10, a bracket 11, an axle 12 and a nut 13. The connecting head 10 includes a rectangular mounting plate and a connecting screw. The connecting screw is fixedly connected to the right end of the rectangular mounting plate. An internal threaded hole is opened at the left end of the connecting seat 9. The connecting screw is threadedly connected to the internal threaded hole. The left end of the connecting head 10 is fixedly connected to the bracket 11. The inner side of the bracket 11 is rotatably connected to the roller 14 through the axle 12. Two nuts 13 are symmetrically threaded on the front and back sides of the axle 12.
[0030] When using the tool, the telescopic rod is adjusted to an appropriate length according to the height of the surface to be inspected and the distance from the inspector, and the tilt angle of the ball head is appropriately adjusted according to the angle of the surface to be inspected. The above adjustments can be determined according to the convenience of operation by the inspector; then the telescopic rod is swung to make the universal wheel roll on the inspection surface and drive the foam nails to knock on the inspection surface, finally achieving the purpose of automatic knocking detection for hollows; since the foam nails on the universal wheel are densely distributed and the frequency of knocking is high during rolling, it is possible to achieve full coverage of the knocking on the walking route, effectively avoiding omissions and improving the accuracy of detection; and because the rolling knocking replaces the traditional manual knocking, the speed of detection is accelerated, and compared with the ordinary hollowing hammer in the past, it is more labor-saving and convenient, and the detection efficiency is also higher; the tool is suitable for hollowing detection of various plastered surfaces, facing tiles and other surface layers; at the same time, the entire tool is easy to install and disassemble, retractable, small in size and easy to carry, which improves the work efficiency of hollowing detection of various building finishes, reduces labor cost rate and improves project quality.
[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inside", "outside", "top / bottom", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0032] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modification, equivalent replacement and improvement made by any technician familiar with the profession to the above embodiment without departing from the scope of the technical solution of the present invention and based on the technical essence of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A hollowing detection tool, characterized in that: include: A telescopic rod (1), a ball head and a universal wheel, wherein the telescopic rod (1) is provided with an anti-retraction mechanism, the telescopic end of the telescopic rod (1) is connected to the universal wheel via the ball head, and the universal wheel comprises a rotatable roller (14), a plurality of bubble nails (15) are evenly arranged on the radial outer wall of the roller (14), and the roller (14) drives the bubble nails (15) to knock on the detection surface when rolling on the detection surface.
2. A hollowing detection tool according to claim 1, characterized in that: The telescopic rod (1) comprises: five thin-walled tubes, a tube hoop (3) and a rivet (4); the five thin-walled tubes are inserted into each other step by step, and the left end is inserted into the tube hoop (3) and fixed by driving the rivet (4).
3. A hollowing detection tool according to claim 2, characterized in that: The anti-retraction mechanism is a protrusion set on the left inner wall of the thin-walled tube and a groove on the right outer wall. In two adjacent thin-walled tubes, the protrusion on the outer thin-walled tube is clamped in the groove on the inner thin-walled tube, and the thin-walled tube is elastic.
4. A hollowing detection tool according to claim 3, characterized in that: The groove is an annular groove with a semicircular cross section, and the protrusion is an annular protrusion with a semicircular cross section.
5. The hollowing detection tool according to claim 2, characterized in that: An anti-skid mechanism (2) is provided on the right side of the telescopic rod (1); the anti-skid mechanism (2) is a rubber anti-skid sleeve, and the rubber anti-skid sleeve is provided with anti-skid patterns.
6. A hollowing detection tool according to claim 2, characterized in that: The ball head comprises: an extension rod (5), a ball (6), a hinge seat (7), a locking mechanism (8) and a connecting seat (9); the left end of the pipe clamp (3) is fixedly connected to one end of the extension rod (5); the other end of the extension rod (5) is fixedly connected to the ball (6); a spherical groove is provided at the right end of the hinge seat (7); the ball (6) is hinged in the spherical groove; the locking mechanism (8) for preventing the ball (6) from rotating in the spherical groove is connected to the hinge seat (7); and the left end of the hinge seat (7) is fixedly connected to the connecting seat (9).
7. A hollowing detection tool according to claim 6, characterized in that: The locking mechanism (8) comprises a knob and a screw, wherein the screw is fixedly connected to one end of the knob, a threaded hole penetrating the spherical groove is provided on the hinge seat (7), the screw is threadedly connected to the threaded hole, and the length of the screw is greater than the depth of the threaded hole.
8. The hollowing detection tool according to claim 6, characterized in that: The universal wheel further comprises: a connector (10), a bracket (11), a wheel axle (12) and a nut (13); the connector (10) comprises a rectangular mounting plate and a connecting screw; the connecting screw is fixedly connected to the right end of the rectangular mounting plate; an internal threaded hole is provided at the left end of the connecting seat (9); the connecting screw is threadedly connected to the internal threaded hole; the left end of the connector (10) is fixedly connected to the bracket (11); the inner side of the bracket (11) is rotatably connected to the roller (14) through the wheel axle (12); and two nuts (13) are symmetrically threadedly connected to the front and rear sides of the wheel axle (12).