Mortar rebound apparatus suitable for house detection
By introducing guide columns, reset springs, and guide rollers into the mortar rebound hammer, the problem of skew and slippage during measurement was solved, achieving stable support and automatic protection, thus improving the accuracy of testing and the protective effect of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-31
AI Technical Summary
The existing mortar rebound hammer lacks auxiliary support during the push measurement, which causes it to tilt and slip, affecting the accuracy of the measurement.
A mortar rebound hammer with a guide column, a return spring, and a guide roller was designed. The guide column and the return spring work together to ensure that the sliding plate and the unfolding arm automatically unfold and retract during the testing process. The guide roller is used to fit against the wall to stably support the mortar rebound hammer and prevent it from tilting.
It improves the stability and protection of measurements, ensures verticality during testing, reduces human intervention, and enhances the accuracy of testing and the protection of equipment.
Smart Images
Figure CN224066552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mortar rebound apparatus technical field, especially a mortar rebound apparatus suitable for house detection. BACKGROUND
[0002] The mortar rebound apparatus is driven by the elastic spring to drive the hammer and hit the surface of the brick sample through the elastic rod, the instantaneous elastic deformation recovery force is generated, the hammer drives the pointer to rebound and indicate the rebound distance, and the rebound value is used as one of the related indexes for evaluating the compressive strength of the mortar.
[0003] The current mortar rebound apparatus lacks auxiliary support when pushing the measurement, and is pushed by manpower, which leads to easy skewing, and due to the fact that the mortar rebound apparatus is pressed and is relatively laborious, and needs to be kept perpendicular to the wall surface, the skewing sliding is easily caused, and the accuracy of the measurement is affected. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the defects of the prior art, and provides a mortar rebound apparatus suitable for house detection, which effectively solves the problems of the prior art.
[0005] In order to achieve the above-mentioned purpose, one embodiment of the utility model provides a mortar rebound apparatus suitable for house detection, which comprises a mortar rebound apparatus body, one end of the mortar rebound apparatus body is fixedly connected with a top end plate, the side, away from the top end plate, of the mortar rebound apparatus body is fixedly connected with a bottom connecting plate, a plurality of guide columns are fixedly connected at the edges between the top end plate and the bottom connecting plate, a plurality of sliding plates are slidably connected to the outer walls of the guide columns, a plurality of first connecting ears are fixedly connected to the side surface of the sliding plate, a plurality of connecting leaves are fixedly connected to the edges of the bottom surface of the bottom connecting plate, a plurality of unfolding arms are rotatably connected to the middle parts of the connecting leaves, a plurality of second connecting ears are fixedly connected to the centers of the outer walls of the unfolding arms, a plurality of linkage rods are rotatably connected to the inner walls of the second connecting ears, one end of each of the linkage rods is rotatably connected to the first connecting ear, the bottom end of each of the unfolding arms is fixedly connected with an outwardly inclined roller frame, and a guide roller is rotatably connected to the inner wall of each of the roller frames.
[0006] It is preferred that the end of the elastic rod of the mortar rebound apparatus body is fixedly connected with an antiskid head, the bottom of the guide roller protrudes from the position of the antiskid head, and the two sides of the guide roller protrude from the two sides of the unfolding arm.
[0007] The above-mentioned scheme achieves the technical effect that when the mortar rebound apparatus body is pushed to the wall, the guide rollers are first attached to the wall, so that the unfolding arms are unfolded around the wall while the elastic rod is compressed.
[0008] Preferably, the outer wall of each guide column is sleeved with a reset spring, the reset spring is arranged between the sliding plate and the top plate, and the length of the reset spring after reset is equal to the length of the guide column.
[0009] The technical effect achieved by the above scheme is that the sliding plate can be completely reset by the reset spring, and the unfolded arms can be automatically retracted after detection.
[0010] Preferably, the unfolded arms are arranged in a radial annular array around the center of the mortar rebound apparatus body, and the unfolded arms are parallel to the impact rod of the mortar rebound apparatus body when the reset spring is completely reset.
[0011] The technical effect achieved by the above scheme is that the sliding plate can be reset by the reset spring, and the unfolded arms can be automatically retracted after detection, and the unfolded arms can surround the impact rod of the mortar rebound apparatus body once, thereby improving the protection effect of the impact rod.
[0012] Preferably, the center of one side surface of the top plate is fixedly connected with a holding handle, and the outer wall of the holding handle is fixedly connected with an anti-skid layer.
[0013] The technical effect achieved by the above scheme is that the holding handle is convenient to hold, and the mortar rebound apparatus body can be conveniently pushed by abutting against the top plate.
[0014] The utility model has the following advantages:
[0015] 1. The mortar rebound apparatus suitable for house detection is pushed to the wall, and the guide rollers are first attached to the wall surface, so that the unfolded arms are unfolded around the mortar rebound apparatus body while the impact rod is compressed, and the unfolded arms and the guide rollers can stably support the mortar rebound apparatus body from all directions, thereby preventing tilting and improving the stability of detection.
[0016] 2. The mortar rebound apparatus suitable for house detection is pushed by the reset spring, the sliding plate is reset, and the unfolded arms are automatically retracted after detection, the unfolded arms can surround the impact rod of the mortar rebound apparatus body once, and the guide columns can surround the mortar rebound apparatus body once, thereby effectively protecting the mortar rebound apparatus body and improving the protection effect. DETAILED DESCRIPTION
[0017] Fig. 1 The structure of the utility model is shown in the figure.
[0018] Fig. 2 The side view structure of the utility model is shown in the figure.
[0019] In the figure: 1 - mortar rebound hammer body, 2 - top end plate, 3 - bottom connecting plate, 4 - guide column, 5 - reset spring, 6 - holding handle, 7 - connecting page, 8 - unfolding arm, 9 - roller frame, 10 - guide roller, 11 - anti-skid head, 12 - sliding plate, 13 - first connecting lug, 14 - second connecting lug, 15 - linkage rod. DETAILED DESCRIPTION
[0020] The utility model makes further description in combination with the drawings, but the protection scope of the utility model is not limited to the following.
[0021] As Figs. 1-2 The utility model provides a mortar rebound hammer suitable for house detection, it includes mortar rebound hammer body 1, mortar rebound hammer body 1 one end fixedly connected with top end plate 2, mortar rebound hammer body 1 away from the side of top end plate 2 fixedly connected with bottom connecting plate 3, and the edge between top end plate 2 and bottom connecting plate 3 is jointly fixedly connected with a plurality of guide columns 4, a plurality of guide columns 4 outer wall is jointly slidably connected with sliding plate 12, the side of sliding plate 12 is fixedly connected with a plurality of first connecting lug 13, the edge of bottom connecting plate 3 bottom surface is fixedly connected with a plurality of connecting pages 7, and the middle part of a plurality of connecting pages 7 is rotatably connected with unfolding arm 8, and the center of a plurality of unfolding arm 8 outer walls is fixedly connected with second connecting lug 14, and the inner wall of a plurality of second connecting lug 14 is rotatably connected with linkage rod 15, and one end of a plurality of linkage rods 15 is rotatably connected with a plurality of first connecting lug 13 respectively, and the bottom end of a plurality of unfolding arms 8 is fixedly connected with the roller frame 9 inclined outward, and the inner wall of a plurality of roller frames 9 is rotatably connected with guide roller 10.
[0022] As an optional technical scheme of the utility model, the end of the rebounding rod of the mortar rebound hammer body 1 is fixedly connected with the anti-skid head 11, the bottom of the guide roller 10 protrudes from the position of the anti-skid head 11, and the two sides of the guide roller 10 protrude from the two sides of the unfolding arm 8. When the mortar rebound hammer body 1 is pushed against the wall, the guide roller 10 is first attached to the wall surface, so that the unfolding arm 8 is unfolded around when the rebounding rod is compressed.
[0023] As an optional technical scheme of the utility model, the outer wall of a plurality of guide columns 4 is sleeved with reset spring 5, and the reset spring 5 is between the sliding plate 12 and the top end plate 2. The length of the reset spring 5 after resetting is equal to the length of the guide column 4. The sliding plate 12 can be completely pushed back by the reset spring 5, which facilitates the automatic retraction of the unfolding arm 8 after detection.
[0024] As an optional technical scheme of the utility model, the plurality of unfolding arms 8 are distributed in a radial annular array around the center of the mortar rebound apparatus body 1, the plurality of unfolding arms 8 are parallel to the impact rod of the mortar rebound apparatus body 1 when the reset spring 5 is completely reset, and the sliding plate 12 can be reset by the reset spring 5, and then the plurality of unfolding arms 8 are automatically retracted after detection, and the plurality of unfolding arms 8 can surround the impact rod of the mortar rebound apparatus body 1 once, so that the protection effect of the impact rod is improved.
[0025] As an optional technical scheme of the utility model, the center of one side of the top end plate 2 is fixedly connected with a holding handle 6, and the outer wall of the holding handle 6 is fixedly connected with an anti-skid layer, so that the holding handle 6 is convenient to hold, and the top end plate 2 is convenient to hold and push the mortar rebound apparatus body 1.
[0026] The mortar rebound apparatus suitable for house detection needs the following steps when used:
[0027] 1) When pushing the mortar rebound apparatus body 1 to the wall, the plurality of guide rollers 10 are first attached to the wall surface;
[0028] 2) Then, the plurality of unfolding arms 8 are unfolded around the plurality of guide rollers 10 while the impact rod is compressed, and the plurality of unfolding arms 8 and the guide rollers 10 can stably support the mortar rebound apparatus body 1 from all directions;
[0029] 3) After being compressed, the release button of the mortar rebound apparatus body 1 is unlocked, so that the impact hammer is quickly impacted by the spring, and rebounds after impact, and the rebound data is obtained by observing the scale after rebound.
[0030] In summary, when pushing the mortar rebound apparatus body 1 to the wall, the plurality of guide rollers 10 are first attached to the wall surface, and then the plurality of unfolding arms 8 are unfolded around the plurality of guide rollers 10 while the impact rod is compressed, and the plurality of unfolding arms 8 and the guide rollers 10 can stably support the mortar rebound apparatus body 1 from all directions, so that the mortar rebound apparatus body 1 is prevented from being inclined, and the stability of detection is improved, the sliding plate 12 can be reset by the reset spring 5, and then the plurality of unfolding arms 8 are automatically retracted after detection, and the plurality of unfolding arms 8 can surround the impact rod of the mortar rebound apparatus body 1 once, and the plurality of guide columns 4 can surround the mortar rebound apparatus body 1 once, so that the mortar rebound apparatus body 1 is effectively protected, and the protection effect is improved.
[0031] 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, and 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, characterised in that: Including mortar rebound hammer body (1), one end fixedly connected with the top end plate (2), the bottom connecting plate (3) is fixedly connected to the side away from the top end plate (2) of mortar rebound hammer body (1), the edge between the top end plate (2) and the bottom connecting plate (3) is fixedly connected with a plurality of guide columns (4), a plurality of the outer wall of the guide column (4) is slidably connected with the sliding plate (12), the side of the sliding plate (12) is fixedly connected with a plurality of first connecting ears (13), the edge of the bottom surface of the bottom connecting plate (3) is fixedly connected with a plurality of connecting leaves (7), the middle part of a plurality of the connecting leaves (7) is rotatably connected with the unfolding arm (8), the center of the outer wall of a plurality of the unfolding arm (8) is fixedly connected with the second connecting ear (14), the inner wall of a plurality of the second connecting ear (14) is rotatably connected with the linkage rod (15), one end of a plurality of the linkage rod (15) is rotatably connected with a plurality of first connecting ears (13), the bottom end of a plurality of the unfolding arm (8) is fixedly connected with the outwardly inclined roller frame (9), the inner wall of a plurality of the roller frame (9) is rotatably connected with the guide roller (10).
2. A mortar rebound hammer suitable for use in building testing according to claim 1, characterized in that: The end of the rebound rod of the mortar rebound hammer body (1) is fixedly connected with the anti-skid head (11), the bottom of the guide roller (10) protrudes from the position of the anti-skid head (11), and the two sides of the guide roller (10) protrude from the two sides of the unfolding arm (8).
3. The mortar rebound hammer suitable for use in building inspection according to claim 2, characterized in that: The outer wall of a plurality of the guide column (4) is sleeved with a reset spring (5), the reset spring (5) is between the sliding plate (12) and the top end plate (2), and the length of the reset spring (5) after reset is equal to the length of the guide column (4).
4. The mortar rebound hammer suitable for use in building inspection according to claim 3, characterized in that: A plurality of the unfolding arm (8) is radially and circularly arranged around the center of the mortar rebound hammer body (1), and a plurality of the unfolding arm (8) is parallel to the rebound rod of the mortar rebound hammer body (1) when the reset spring (5) is completely reset.
5. The mortar rebound hammer suitable for use in building inspection according to claim 4, characterized in that: The center of the side of the top end plate (2) is fixedly connected with the holding handle (6), and the outer wall of the holding handle (6) is fixedly connected with the anti-skid layer.