Concrete strength detection device for house building construction

Abstract

The utility model relates to the technical field of concrete detection, in particular to a concrete strength detection device for house building construction, which comprises a rebound apparatus main body, a lantern ring is fixedly sleeved on the middle rear part of the outer wall of the rebound apparatus main body, and connecting plates are symmetrically and fixedly connected on the outer wall of the lantern ring close to the bottom. A U-shaped plate is rotationally connected between the corresponding side walls of the two connecting plates, a fixing mechanism is arranged between the U-shaped plate and one connecting plate, a holding column is fixedly connected to the front end of the U-shaped plate, a disc is fixedly connected to the front end of the rebound apparatus body, and a rotary disc is rotationally connected to the center of the front end of the disc. According to the device, a good anti-skid effect is achieved when detection personnel use the rebound apparatus main body, the detection personnel can better apply force, convenience is brought to detection operation, the detection efficiency is indirectly improved, and when the rebound apparatus main body is not used, the holding column can be in a storage state, so that storage of the rebound apparatus main body is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection technical field, concretely is a concrete strength detection device for house building construction. BACKGROUND

[0002] In the process of house building construction, the detection of concrete strength can monitor whether the construction technology and material quality meet the standard. The detection methods of concrete strength in house building construction include but are not limited to standard test block method, core drilling method, rebound method and ultrasonic method, wherein the rebound method uses a concrete rebound apparatus. The concrete rebound apparatus is a portable instrument for detecting the hardness of the concrete surface and calculating the strength of the concrete. The concrete rebound apparatus is in the shape of a cylinder, and one end is provided with a percussion rod for directly contacting the surface of the concrete.

[0003] In use, both hands hold the concrete rebound apparatus main body, and the percussion rod thereon is in contact with the surface of the concrete to be detected until the percussion rod is retracted into the concrete rebound apparatus main body, and then the concrete rebound apparatus is moved away from the surface of the concrete, so that the percussion rod is automatically ejected for the next detection. However, when using the concrete rebound apparatus for a long time, the cylindrical concrete rebound apparatus is not easy to hold, the hands are easy to slip, and the diameter of the concrete rebound apparatus is large, so that many detection personnel cannot fully control the hands, the hands are not concentrated enough, the detection personnel is more laborious, the detection operation of the detection personnel is inconvenient, and the detection efficiency is indirectly affected. Therefore, we propose a concrete strength detection device for house building construction. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a concrete strength detection device for house building construction to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a concrete strength detection device for house building construction, comprising a rebound apparatus main body, a sleeve ring is fixedly sleeved in the outer wall of the rebound apparatus main body, the outer wall of the sleeve ring is symmetrically fixedly connected with connecting plates near the bottom, a U-shaped plate is rotatably connected between the side walls corresponding to the two connecting plates, a fixing mechanism is arranged between the U-shaped plate and one of the connecting plates, the front end of the U-shaped plate is fixedly connected with a handle column, the front end of the rebound apparatus main body is fixedly connected with a disc, the front end center of the disc is rotatably connected with a turntable, the outer wall of the turntable is fixedly connected with a concave handle, and an adjusting mechanism is arranged between the outer wall top of the turntable and the front end of the disc.

[0006] Preferably, the fixing mechanism comprises a knob screw and two screw holes, the knob screw is screwed through the side wall of the connecting plate near the lower edge, the two screw holes are both arranged on the side wall of the U-shaped plate corresponding to the knob screw, and the center points of the two screw holes are away from the rotating point between the connecting plate and the U-shaped plate by the same distance, and the screw hole is threadedly connected with the knob screw.

[0007] Preferably, the adjusting mechanism comprises a connecting block and two insertion holes, the connecting block is fixedly connected to the outer wall of the rotating disc near the front edge at the top, the front end of the connecting block is slidably inserted with an insertion column, the front end of the insertion column is fixedly connected with a pulling block, and the insertion column and the connecting block are provided with an elastic element, the two insertion holes are both arranged on the front end of the disc, and the center points of the two insertion holes are away from the rotating point between the disc and the rotating disc by the same distance, and the insertion hole is slidably connected with the insertion column.

[0008] Preferably, the elastic element comprises a circular ring, the circular ring is fixedly sleeved on the outer wall of the insertion column near the rear edge, the rear end of the circular ring is attached to the front end of the disc, and the front end of the circular ring and the rear end of the connecting block are fixedly connected with a spring, and the spring is slidably sleeved on the outer wall of the insertion column.

[0009] Preferably, the outer wall of the holding column is fixedly sleeved with an anti-skid sleeve made of rubber material.

[0010] Preferably, the insertion column and the circular ring are integrally formed.

[0011] Compared with the prior art, the device has the advantages that: through the cooperation of the sleeve ring, the connecting plate, the U-shaped plate, the fixing mechanism, the holding column, the disc, the rotating disc, the concave handle and the adjusting mechanism, the device not only has good anti-skid effect when the rebound instrument main body is used, but also facilitates the detection personnel to exert force better, brings convenience to the detection work, indirectly improves the detection efficiency, and when the rebound instrument main body is not used, the holding column can be in a storage state, thereby facilitating the storage of the rebound instrument main body. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model; Figure 1 It is an enlarged view of structure A;

[0014] Figure 3 It is a partial component display diagram between the rebound instrument main body and the rotating disc of the utility model;

[0015] Figure 4 It is a bottom view of the utility model;

[0016] Figure 5The utility model discloses a display drawing of the holding column, the anti -skidding cover, the U -shaped plate and the screw hole.

[0017] Figure 6 The utility model discloses a display drawing of the inserting column, the ring and the pull block.

[0018] In the drawing, the component list that each sign represents is as follows: 1, rebound instrument main part;2, collar;3, connecting plate;4, holding column;5, disc;6, carousel;7, concave handle;8, anti -skidding cover;9, connecting block;10, inserting column;11, ring;12, spring;13, pull block;14, jack;15, U -shaped plate;16, knob screw;17, screw hole. Specific implementation

[0019] The utility model discloses an embodiment of the utility model will be clearly and completely described below to the technical scheme in the embodiment of the utility model in the drawing, obviously, the described embodiment only is a part of embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor all belong to the range of protection of the utility model.

[0020] Embodiment one: please refer to Figure 1 - Figure 6 , the drawing of a kind of concrete strength detection device for house building construction, including rebound instrument main part 1, the outer wall middle back of rebound instrument main part 1 is fixed with collar 2, the outer wall of collar 2 is symmetrically fixed with connecting plate 3 near bottom, rotatingly connected with U-shaped plate 15 between the corresponding side wall of two connecting plates 3, fixed mechanism is equipped between U-shaped plate 15 and one of connecting plate 3, and the front end of U-shaped plate 15 is fixedly connected with holding column 4, the front end of disc 5 is fixedly connected with the front end of carousel 6 in the center of disc 5, the outer wall of carousel 6 is fixedly connected with concave handle 7, and adjusting mechanism is equipped between the outer wall top of carousel 6 and the front end of disc 5.

[0021] Fixed mechanism includes knob screw 16 and two screw holes 17, knob screw 16 is screwed through the side wall near the lower edge of connecting plate 3, two screw holes 17 are all set on the side wall of U-shaped plate 15 corresponding to knob screw 16, and the center point of two screw holes 17 is same to the distance between connecting plate 3 and the rotating point of U-shaped plate 15, and one of screw hole 17 is threadedly matched with knob screw 16.

[0022] The outer wall of holding column 4 is fixed with anti -skidding cover 8, and the anti -skidding cover 8 is made of rubber material;Specifically, the anti -skidding cover 8 made of rubber material has good anti -skid effect, so that when holding holding column 4 has good anti -skid effect.

[0023] In the embodiment, when the rebound instrument body 1 is used, first, the knob screw 16 is rotated outward, the knob screw 16 is rotated outward in the inner wall of the corresponding connecting plate 3, and the knob screw 16 is also rotated outward in the corresponding one screw hole 17 on the U-shaped plate 15, until the knob screw 16 is completely out of the screw hole 17, the grip column 4 is rotated downward, the grip column 4 drives the U-shaped plate 15 to rotate downward (the U-shaped plate 15 rotates downward between the two connecting plates 3 on the sleeve ring 2), until the grip column 4 is at an angle of 90 degrees with the rebound instrument body 1, and the other screw hole 17 on the U-shaped plate 15 also corresponds to the position of the knob screw 16 at this time, then the knob screw 16 is rotated inward, the knob screw 16 is rotated inward in the inner wall of the corresponding connecting plate 3, and the knob screw 16 is inserted and tightened in the other screw hole 17 on the U-shaped plate 15, then the U-shaped plate 15 can be fixed after rotation, then both hands hold the grip column 4 and the concave handle 7 on the rotating disc 6 to control the rebound instrument body 1 to perform detection operation, which not only has good anti-skid effect, but also facilitates the detection personnel to exert force better, and brings convenience to the detection personnel, when the detection is completed, the grip column 4 is reversely rotated according to the same operation to restore the initial storage state, so that the rebound instrument body 1 is stored.

[0024] Embodiment two: please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 6 , the embodiment further illustrates embodiment one, the adjusting mechanism in the drawing includes a connecting block 9 and two insertion holes 14, the connecting block 9 is fixedly connected to the outer wall top of the rotating disc 6 near the front edge, the front end inner wall of the connecting block 9 is slidably inserted with an insertion column 10, the front end of the insertion column 10 is fixedly connected with a pulling block 13, and an elastic member is arranged between the insertion column 10 and the connecting block 9, the two insertion holes 14 are both arranged on the front end of the disc 5, and the center points of the two insertion holes 14 are the same distance from the rotating point between the disc 5 and the rotating disc 6, and one of the insertion holes 14 is in sliding fit with the insertion column 10.

[0025] The elastic member includes a circular ring 11, the circular ring 11 is fixedly sleeved on the outer wall of the insertion column 10 near the rear edge, the rear end of the circular ring 11 is in close contact with the front end of the disc 5, and the spring 12 is fixedly connected between the front end of the circular ring 11 and the rear end of the connecting block 9 and is slidably sleeved on the outer wall of the insertion column 10.

[0026] The insertion column 10 and the circular ring 11 are an integral structure; specifically, the stability between the insertion column 10 and the circular ring 11 is good.

[0027] In the embodiment, the angle of the concave handle 7 can be adjusted according to the use habit of the tester before use, thereby further providing convenience for the detection work of the tester, and the specific operation method is as follows: first, one hand holds the rebound instrument main body 1, the other hand holds the concave handle 7 and pulls the pull block 13 forward with the index finger of the hand, the pull block 13 drives the insertion column 10 to slide forward in the inner wall of the connecting block 9, the insertion column 10 drives the circular ring 11 to move forward away from the front end of the disc 5 (in this process, the spring 12 between the circular ring 11 and the connecting block 9 is pressed on the outer wall of the insertion column 10), and the insertion column 10 also slides out of the corresponding one of the insertion holes 14 on the disc 5 and completely leaves the insertion hole 14, then the concave handle 7 is rotated clockwise while the pull block 13 is not loosened (the pull block 13 can be loosened when the insertion column 10 is rotated away from the insertion hole 14), the concave handle 7 drives the rotating disc 6 to rotate on the disc 5, the rotating disc 6 drives the connecting block 9 to rotate together, the connecting block 9 drives the insertion column 10, the circular ring 11, the spring 12 and the pull block 13 to rotate together, when the concave handle 7 is rotated by ninety degrees, the insertion column 10 corresponds to the other insertion hole 14 on the disc 5, then the insertion column 10 is automatically reset and inserted into the other insertion hole 14 on the disc 5 under the action of the spring 12, and then the concave handle 7 can be kept in a fixed state after rotation, which is simple to operate.

[0028] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that these entities or actions are in any way mutually exclusive or directional.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A concrete strength testing device for building construction, comprising a rebound hammer body (1), characterized in that: A collar (2) is fixedly fitted on the middle and rear part of the outer wall of the rebounder body (1). A connecting plate (3) is symmetrically fixedly connected to the outer wall of the collar (2) near the bottom. A U-shaped plate (15) is rotatably connected between the corresponding side walls of the two connecting plates (3). A fixing mechanism is provided between the U-shaped plate (15) and one of the connecting plates (3). A grip post (4) is fixedly connected to the front end of the U-shaped plate (15). A disc (5) is fixedly connected to the front end of the rebounder body (1). A turntable (6) is rotatably connected to the center of the front end of the disc (5). A concave handle (7) is fixedly connected to the outer wall of the turntable (6). An adjustment mechanism is provided between the top of the outer wall of the turntable (6) and the front end of the disc (5).

2. The concrete strength testing device for building construction according to claim 1, characterized in that: The fixing mechanism includes a knob screw (16) and two screw holes (17). The knob screw (16) is screwed through and tightened on the side wall of the connecting plate (3) near the lower edge. The two screw holes (17) are both opened on the side wall of the corresponding knob screw (16) of the U-shaped plate (15). The distance from the center point of the two screw holes (17) to the rotation point between the connecting plate (3) and the U-shaped plate (15) is the same. One of the screw holes (17) is threadedly engaged with the knob screw (16).

3. The concrete strength testing device for building construction according to claim 1, characterized in that: The adjustment mechanism includes a connecting block (9) and two insertion holes (14). The connecting block (9) is fixedly connected to the top of the outer wall of the turntable (6) near the front edge. An insertion post (10) is slidably inserted into the inner wall of the front end of the connecting block (9). A pull block (13) is fixedly connected to the front end of the insertion post (10). An elastic element is provided between the insertion post (10) and the connecting block (9). The two insertion holes (14) are both opened at the front end of the disc (5). The distance from the center point of the two insertion holes (14) to the rotation point between the disc (5) and the turntable (6) is the same. One of the insertion holes (14) is slidably engaged with the insertion post (10).

4. The concrete strength testing device for building construction according to claim 3, characterized in that: The elastic element includes a ring (11), which is fixedly sleeved on the outer wall of the insert (10) near the rear edge. The rear end of the ring (11) is in contact with the front end of the disc (5), and a spring (12) is fixedly connected between the front end of the ring (11) and the rear end of the connecting block (9). The spring (12) is slidably sleeved on the outer wall of the insert (10).

5. The concrete strength testing device for building construction according to claim 1, characterized in that: An anti-slip sleeve (8) is fixedly fitted on the outer wall of the grip post (4), and the anti-slip sleeve (8) is made of rubber material.

6. The concrete strength testing device for building construction according to claim 4, characterized in that: The insert (10) and the ring (11) are integrally formed.

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