Mortar rebound apparatus suitable for house detection
By designing a detachable support block and limit cover plate connection structure, the problem of damage to the mortar rebound hammer when replacing the fixed round sleeve was solved, thus achieving protection of the device and accuracy of detection.
Patent Information
- Application Number
- CN202422483207.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing mortar rebound hammers are prone to damage to the main body or the fixed sleeve when replacing the fixed sleeve, which increases maintenance time and workload.
A mortar rebound hammer, comprising a rebound hammer body, a scale, and a balancing device, was designed. The balancing device consists of a support block, a limiting cover plate, and a connecting assembly. The support block and the rebound hammer body are detachably connected by threaded connection and nut rotation to ensure vertical detection.
It effectively protects the connecting frame and the rebound spring body, reduces wear, extends service life, and improves the accuracy and efficiency of testing.
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Figure CN223581658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mortar rebound apparatus technical field, concretely is mortar rebound apparatus suitable for house detection. BACKGROUND
[0002] The rebound apparatus is driven by spring to hit the hammer, and the instantaneous elastic deformation recovery force of the concrete surface is generated by the hitting rod, the hammer drives the pointer to rebound and indicates the rebound distance - rebound value, the rebound apparatus is widely used in domestic, and the pointer type reading rebound apparatus is widely used in the concrete compressive strength detection in the construction process of building construction, municipal engineering and road and bridge construction.
[0003] The prior art discloses an application number: CN202222027284.6 mortar rebound apparatus suitable for house detection, including the main part, the top of main part Fixedly arranged with top cover, the other end of main part Fixedly arranged with top head, the surface of main part Be provided with balancing device, The side of main part is provided with protective shell, the utility model discloses a balancing device is arranged, when using rebound apparatus, the bottom surface of arc-shaped bottom plate is closely contacted with the surface that needs to be detected, can make the middle of hitting rod and the measured surface keep perpendicular relationship, always keep the perpendicularity advantage is realized, prevent operator hand shake and tilt and lead to inaccurate measurement, by setting up protective shell, when not using rebound apparatus, because the second internal thread and the first external thread correspond, can install protective shell through the second internal thread and the first external thread on the surface of top head, cover hitting rod, reduce the wear or impact that hitting rod receives, better protection hitting rod.
[0004] When the fixed circular sleeve is fixedly arranged on the surface of the main body, the connection between the fixed circular sleeve and the main body needs to be cut when the fixed circular sleeve is replaced, which can easily damage the fixed circular sleeve or the main body, and a lot of time is spent on repairing the main body or the fixed circular sleeve, which can increase the working time and workload of the staff. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a mortar rebound apparatus suitable for house detection to solve the problems in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a mortar rebound apparatus suitable for house detection, including rebound apparatus body and scale table, the lower end of rebound apparatus body is installed with balancing device, the scale table is fixedly connected on the front surface of rebound apparatus body.
[0007] The balancing device includes a support block, a limiting cover plate and a connecting assembly, the support block is threadedly connected to the lower end of the connecting assembly, and the limiting cover plate is inserted into the outward end of the support block.
[0008] Preferably, the connecting assembly comprises a connecting frame, metal inserts, a connector, a fixed threaded rod, a spiral spring and an adjusting metal rod, the fixed threaded rod is fixedly connected to the inner wall surface of the connecting frame, the metal inserts are inserted into the outward end of the connecting frame, the connector is inserted into the outward end of the metal inserts, the metal inserts are slidingly connected to the upper end of the adjusting metal rod, and the spiral spring is fixedly connected to the bottom end surface of the metal inserts.
[0009] Preferably, the fixed threaded rod is inserted into the lower end of the rebound instrument body, the connecting frame is movably connected to the lower end of the rebound instrument body, the connecting frame is pushed to move downward, slides on the lower end surface of the rebound instrument body, and the connecting frame can push the fixed threaded rod to move downward, so that the fixed threaded rod is inserted into the lower end of the rebound instrument body, then the nut is rotated on the threaded end surface of the fixed threaded rod, and the connecting frame and the rebound instrument body are fixed by threads.
[0010] Preferably, the number of the metal inserts is four, two of the metal inserts form a group, and two groups of the metal inserts are distributed on the left and right sides, and the two metal inserts on the same side are distributed in front and back.
[0011] Preferably, the connector is inserted into the outward end of the connecting frame, the metal inserts are pushed to move downward, the metal inserts are inserted into the outward end of the connecting frame, the connector is pushed to move left and right, so that the connector is inserted into the connecting portion of the connecting frame and the metal inserts, and the position of the metal inserts can be determined.
[0012] Preferably, the support blocks are movably connected to the lower end of the adjusting metal rod, and the limiting cover plates are movably connected to the lower end of the adjusting metal rod, the support blocks are pushed to move upward, and then the nut is rotated on the threaded end surface of the adjusting metal rod, so that the support blocks and the adjusting metal rod are fixed by threads.
[0013] Preferably, the number of the support blocks is four, the four support blocks are distributed in a rectangular shape, the support blocks are connected to the bottom end surface of the spiral spring, the spiral spring can push the support blocks to move downward, so that the support blocks are separated from the adjusting metal rod, the support blocks are convenient to disassemble and replace, the four support blocks can push the adjusting metal rod to move, so that when the rebound instrument body faces different flat wall surfaces, the support blocks can push the adjusting metal rod to move by different lengths, thereby the position of the support blocks can be adjusted, the rebound instrument body and the wall surface can be kept vertical, and the data of the wall surface can be accurately detected.
[0014] Preferably, the number of the spiral springs is four, and the four spiral springs are distributed in a ring shape.
[0015] Preferably, the number of the connecting frames is two, and the two connecting frames are distributed on the left and right sides.
[0016] Preferably, the number of adjusting metal rods is four, and the four adjusting metal rods are arranged in a ring.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. This mortar rebound hammer, suitable for house inspection, is equipped with a connecting frame, a fixed threaded rod, and a rebound hammer body. The connecting frame moves downward along the surface of the rebound hammer body, allowing the connecting frame to drive the fixed threaded rod downward, so that the fixed threaded rod can be inserted into the lower end of the rebound hammer body. This allows the position of the connecting frame to be determined, facilitating the disassembly and replacement of the connecting frame and the rebound hammer body. It can avoid damage to the connecting frame and the rebound hammer body, protect the safety of the connecting frame and the rebound hammer body, and thus increase the service life of the device.
[0019] 2. This mortar rebound hammer, suitable for house inspection, is equipped with a support block, a limiting cover plate, and an adjusting metal rod. The support block is connected to the lower end of the adjusting metal rod. By rotating the nut, the nut rotates on the threaded end surface of the adjusting metal rod, which can thread the support block and the fixed threaded rod together. This makes it easy to detach the support block from the adjusting metal rod and can increase the service life of the device. Attached Figure Description
[0020] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;
[0021] Figure 2 This is a three-dimensional schematic diagram of the balancing device of this utility model;
[0022] Figure 3 This utility model Figure 2 A magnified view of the structure at point A in the diagram;
[0023] Figure 4 This is a schematic diagram of the top surface of the balancing device of this utility model;
[0024] Figure 5 This utility model Figure 4 Schematic diagram of the cross section at point AA;
[0025] Figure 6 This utility model Figure 5 A magnified view of the structure at point B in the diagram.
[0026] In the diagram: 1. Balancing device; 11. Support block; 12. Limiting cover plate; 13. Connecting assembly; 131. Connecting frame; 132. Metal insert; 133. Connector; 134. Fixed threaded rod; 135. Helical spring; 136. Adjusting metal rod; 2. Rebound spring body; 3. Scale. Detailed Implementation
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0028] Please refer to Figures 1-6 The present application provides the following technical solutions:
[0029] A mortar rebound hammer suitable for house detection, comprising a rebound hammer body 2 and a scale table 3, the lower end of the rebound hammer body 2 is provided with a balancing device 1, and the scale table 3 is fixedly connected to the front face of the rebound hammer body 2.
[0030] The balancing device 1 comprises a supporting block 11, a limiting cover plate 12 and a connecting assembly 13, the supporting block 11 is screw-connected to the lower end of the connecting assembly 13, the limiting cover plate 12 is inserted into the outward end of the supporting block 11, and the number of the supporting blocks 11.
[0031] The connecting assembly 13 comprises a connecting frame 131, metal insertion blocks 132, insertion pieces 133, fixed threaded rods 134, spiral springs 135 and adjusting metal rods 136. The fixed threaded rods 134 are fixedly connected to the inner wall surface of the connecting frame 131, are inserted into the lower end of the rebound instrument body 2, and the connecting frame 131 is movably connected to the lower end of the rebound instrument body 2. The connecting frame 131 is pushed to move downwards, slides on the lower end surface of the rebound instrument body 2, and can push the fixed threaded rods 134 to move downwards, so that the fixed threaded rods 134 are inserted into the lower end of the rebound instrument body 2. Then the nut is rotated on the threaded end surface of the fixed threaded rods 134, and the connecting frame 131 and the rebound instrument body 2 are fixed by threads. The metal insertion blocks 132 are inserted into the outward ends of the connecting frame 131, the number of the metal insertion blocks 132 is four, two metal insertion blocks 132 form a group, two groups of metal insertion blocks 132 are distributed on the left and right sides, and two metal insertion blocks 132 on the same side are distributed in front and back. The insertion pieces 133 are inserted into the outward ends of the metal insertion blocks 132 and the outward ends of the connecting frame 131. The metal insertion blocks 132 are pushed to move downwards and are inserted into the outward ends of the connecting frame 131. The insertion pieces 133 are pushed to move left and right, so that the insertion pieces 133 are inserted into the connecting portions of the connecting frame 131 and the metal insertion blocks 132, and the positions of the metal insertion blocks 132 are determined. The metal insertion blocks 132 are slidably connected to the upper ends of the adjusting metal rods 136. The supporting blocks 11 are movably connected to the lower ends of the adjusting metal rods 136, and the limiting cover plates 12 are movably connected to the lower ends of the adjusting metal rods 136. The supporting blocks 11 are pushed to move upwards and then are pushed to move downwards on the lower end surface of the adjusting metal rods 136. Then the nut is rotated on the threaded end surface of the adjusting metal rods 136, and the supporting blocks 11 and the adjusting metal rods 136 are fixed by threads. The spiral springs 135 are fixedly connected to the bottom end surfaces of the metal insertion blocks 132. The number of the supporting blocks 11 is four, and the four supporting blocks 11 are distributed in a rectangular shape. The supporting blocks 11 are connected to the bottom end surfaces of the spiral springs 135. The spiral springs 135 can push the supporting blocks 11 to move downwards, so that the supporting blocks 11 are separated from the adjusting metal rods 136, and the supporting blocks 11 are convenient to disassemble and replace. When the rebound instrument body 2 faces different flat walls, the supporting blocks 11 can push the adjusting metal rods 136 to move in different lengths, so that the positions of the supporting blocks 11 can be adjusted, the rebound instrument body 2 and the wall can be kept vertical, and the data of the wall can be accurately detected. The number of the spiral springs 135 is four, and the four spiral springs 135 are distributed in a ring shape. The number of the connecting frames 131 is two, and the two connecting frames 131 are distributed on the left and right sides. The number of the adjusting metal rods 136 is four, and the four adjusting metal rods 136 are distributed in a ring shape.
[0032] In use, the metal plug 132 is pushed to move downward, the metal plug 132 is inserted into the outward movement of the connecting frame 131, the metal plug 132 slides on the surface of the threaded rod, then the nut is rotated, the nut is rotated on the surface of the threaded rod, and the metal plug 132 and the connecting frame 131 are fixed by threads.
[0033] The plug-in part 133 is pushed to penetrate the connection between the connecting frame 131 and the metal plug 132, then the nut is rotated, the plug-in part 133 and the metal plug 132 are fixed by threads, and the position of the metal plug 132 is determined again.
[0034] The connecting frame 131 is pushed to move downward, the connecting frame 131 slides on the lower end surface of the rebound instrument body 2, the connecting frame 131 can drive the fixed threaded rod 134 to move downward, so that the fixed threaded rod 134 is inserted into the lower end of the rebound instrument body 2, then the nut is rotated, the nut is rotated on the threaded end surface of the fixed threaded rod 134, and the connecting frame 131 and the rebound instrument body 2 are fixed by threads.
[0035] The adjusting metal rod 136 is pushed to move upward, the adjusting metal rod 136 slides on the outward end of the plug-in part 133, then the nut is rotated, the nut is rotated on the threaded end surface of the adjusting metal rod 136, and the position of the adjusting metal rod 136 is determined.
[0036] The support block 11 can push the spiral spring 135 to move upward, so that the top end surface of the spiral spring 135 is connected with the bottom end surface of the metal plug 132, the spiral spring 135 can be compressed between the support block 11 and the metal plug 132, and the position of the support block 11 is determined.
[0037] The support block 11 is pushed to move upward, the support block 11 is connected on the lower end of the adjusting metal rod 136, then the nut is rotated, the nut is rotated on the lower end of the adjusting metal rod 136, and the support block 11 and the adjusting metal rod 136 are fixed by threads.
[0038] The limiting cover plate 12 is pushed to move upward, the limiting cover plate 12 is inserted into the inside of the support block 11, the support block 11 and the adjusting metal rod 136 are fixed by threads, and the support block 11 is convenient to disassemble and replace.
[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A mortar rebound hammer suitable for use in building testing, comprising a rebound hammer body (2) and a scale (3), characterised in that: The lower end of the rebound body (2) is provided with a balancing device (1), and the scale table (3) is fixedly connected to the front face of the rebound body (2). The balancing device (1) comprises a supporting block (11), a limiting cover plate (12) and a connecting assembly (13), the supporting block (11) is threadedly connected to the lower end of the connecting assembly (13), and the limiting cover plate (12) is inserted into the outward end of the supporting block (11). The connecting assembly (13) comprises a connecting frame (131), a metal plug (132), an inserting piece (133), a fixed threaded rod (134), a spiral spring (135) and an adjusting metal rod (136), the fixed threaded rod (134) is fixedly connected to the inner wall surface of the connecting frame (131), the metal plug (132) is inserted into the outward end of the connecting frame (131), the inserting piece (133) is inserted into the outward end of the metal plug (132), the metal plug (132) is slidingly connected to the upper end of the adjusting metal rod (136), and the spiral spring (135) is fixedly connected to the bottom end surface of the metal plug (132). The fixed threaded rod (134) is inserted into the lower end of the rebound body (2), and the connecting frame (131) is movably connected to the lower end of the rebound body (2).
2. A mortar rebound hammer suitable for use in building inspection according to claim 1, characterized in that: The number of the metal plugs (132) is four, two metal plugs (132) form a group, two groups of metal plugs (132) are distributed on the left and right sides, and two metal plugs (132) on the same side are distributed in front and back.
3. A mortar rebound hammer suitable for use in building testing according to claim 2, characterized in that: The inserting piece (133) is inserted into the outward end of the connecting frame (131).
4. The mortar rebound hammer suitable for building inspection according to claim 3, characterized in that: The supporting block (11) is movably connected to the lower end of the adjusting metal rod (136), and the limiting cover plate (12) is movably connected to the lower end of the adjusting metal rod (136).
5. A mortar rebound hammer suitable for use in building testing according to claim 4, characterized in that: The number of the supporting blocks (11) is four, the four supporting blocks (11) are distributed in a rectangular shape, and the supporting blocks (11) are connected to the bottom end surfaces of the spiral springs (135).
6. A mortar rebound hammer suitable for use in building testing according to claim 5, characterized in that: The number of the spiral springs (135) is four, and the four spiral springs (135) are distributed in a ring shape.
7. A mortar rebound hammer suitable for use in building testing according to claim 6, characterized in that: The number of the connecting frames (131) is two, and the two connecting frames (131) are distributed on the left and right sides.
8. A mortar rebound hammer suitable for use in building testing according to claim 7, characterized in that: The number of the adjusting metal rods (136) is four, and the four adjusting metal rods (136) are distributed in a ring shape.
Citation Information
Patent Citations
Mortar rebound apparatus suitable for house detection
CN218412128U