Concrete hardness detection device

Abstract

The utility model discloses a concrete hardness detection device which comprises a concrete ultrasonic detector body arranged in a shell, the concrete ultrasonic detector body comprises a detection probe connected to one side of the concrete ultrasonic detector body through a wire, and the outer wall of the detection probe is detachably connected with a coupling agent extrusion assembly. The coupling agent extrusion assembly comprises an annular box arranged on the outer wall of the detection probe in a sleeving mode, a piston plate slidably connected to the inner wall of the annular box, a connecting column fixedly connected to one side face of the piston plate, a push plate fixedly connected to one end of the connecting column, an inlet fixedly connected to the circumferential outer wall of the annular box and a liquid outlet head fixedly connected to one side face of the annular box. One side surface of the concrete ultrasonic detector body is fixedly connected with a U-shaped wire box, and two self-carding structures are symmetrically arranged in the wire box; the two sides of the shell are each provided with an adjustable supporting frame. The quick couplant smearing device realizes quick couplant smearing operation, is convenient to use, and effectively improves the detection efficiency.

Description

Technical Field

[0001] This utility model relates to the field of building material testing technology, and in particular to a concrete hardness testing device. Background Technology

[0002] Concrete is an artificial stone material made by mixing cement as the main binder with water, sand, and gravel, and, when necessary, chemical admixtures and mineral admixtures, in appropriate proportions, followed by uniform mixing, compaction, molding, and curing. As a widely used material in construction engineering, concrete hardness is one of the important indicators for measuring concrete quality, and accurate testing of concrete hardness is crucial for ensuring the quality and safety of construction projects. Existing concrete hardness testing devices are often bulky and inconvenient to operate, making it difficult to meet the needs of rapid on-site testing.

[0003] To address the aforementioned issues, a search revealed Chinese patent application number CN202322982813.2, which discloses an ultrasonic concrete testing device. This device includes an ultrasonic testing instrument with a connecting cable inserted into its top. One end of the connecting cable is connected to a probe, and a protective cover is fixedly mounted on the top of the ultrasonic testing instrument. The ultrasonic concrete testing device in the aforementioned patent has the following shortcomings: during testing, multiple different points on the concrete need to be tested according to actual requirements, and before each test, coupling agent often needs to be repeatedly applied to the probe, resulting in low testing efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a concrete hardness testing device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A concrete hardness testing device includes a concrete ultrasonic testing instrument body disposed inside a housing. The concrete ultrasonic testing instrument body includes a testing probe connected to one side of the probe via a wire. A coupling agent extrusion assembly is detachably connected to the outer wall of the testing probe. The coupling agent extrusion assembly includes an annular box sleeved on the outer wall of the testing probe, a piston plate slidably connected to the inner wall of the annular box, a connecting column fixedly connected to one side of the piston plate, a push plate fixedly connected to one end of the connecting column, an inlet fixedly connected to the outer circumference of the annular box, and an outlet head fixedly connected to one side of the annular box.

[0007] A U-shaped cable box is fixedly connected to one side of the concrete ultrasonic testing instrument body. The inside of the cable box has two self-combing structures arranged symmetrically.

[0008] Adjustable support frames are provided on both sides of the outer casing.

[0009] As a further embodiment of this utility model: the self-combing structure includes a fixed post fixedly connected to the inner wall of the cable box near the top, a sliding groove symmetrically distributed on both sides of the fixed post and set on one side of the cable box, a pressure post slidably connected to the inner wall of the sliding groove by a slider, and a spring fixedly connected to the pressure post and the corresponding side of the cable box.

[0010] The conductor passes through the top surface of the junction box.

[0011] As a further embodiment of this utility model: the adjustable support frame includes two brackets that are rotatably coupled at one end by a rotating shaft, a sleeve rotatably connected to one side of one of the brackets by a rotating shaft, several limiting holes equidistantly arranged on the outer wall of the sleeve, a guide post rotatably connected to one side of the other bracket by a rotating shaft, a recessed hole on the outer circumference of the guide post, a limiting head inserted into the inner wall of the recessed hole, a buffer member fixedly connected to the corresponding side of the recessed hole and the limiting head, and a support leg rotatably connected to one side of the bracket by a rotating shaft, wherein the limiting head is adapted to the limiting hole, and the other end of the guide post is inserted into the inner circumference of the sleeve.

[0012] As a further improvement of this utility model, the bracket located on the inner side is rotatably connected to one side of the outer shell.

[0013] As a further improvement of this utility model, a rubber pad is fixedly connected to the top inner wall of the outer shell.

[0014] As a further improvement of this utility model, a support plate is inserted into one side of the outer shell.

[0015] As a further improvement of this utility model, a handle is fixedly connected to the top outer wall of the concrete ultrasonic testing instrument body.

[0016] Compared with the prior art, this utility model provides a concrete hardness testing device, which has the following beneficial effects:

[0017] 1. This concrete hardness testing device features a detachable coupling agent extrusion assembly. Coupling agent is added to the annular box through the inlet. The device is then held and placed over the testing probe, making assembly and disassembly convenient. During use, the testing probe is placed on the concrete test point, and the thumb presses forward on the push plate. The piston plate squeezes the coupling agent in the annular box, causing it to overflow through the outlet, thus achieving rapid application of the coupling agent. This convenient and efficient testing method effectively improves testing efficiency.

[0018] 2. This concrete hardness testing device features a self-combing structure. When the probe pulls on the wire, the spring compresses, shortening the extension distance and allowing more wire to be pulled out. When the probe is not in use, the wire extends by folding under the spring's support, thus automatically combing and tidying the two wires, preventing them from becoming messy and inconvenient to use.

[0019] 3. This concrete hardness testing device allows for adjustment of the operating height of the ultrasonic concrete testing instrument body according to actual needs. Specifically, hold the sleeve and guide column with both hands respectively and pull them in opposite directions to adjust the appropriate opening angle of the two supports. At this time, the limiting head on the guide column is aligned with the corresponding limiting hole on the sleeve, and will be inserted under the action of the buffer, thereby limiting the opening angle of the adjustable support frame to achieve adjustment of the operating height of the outer shell, making it convenient to use. Attached Figure Description

[0020] Figure 1 This is a side view of a concrete hardness testing device proposed in this utility model.

[0021] Figure 2 This is a front cross-sectional view of the junction box structure of a concrete hardness testing device proposed in this utility model.

[0022] Figure 3 This is a side view sectional view of the annular box structure of a concrete hardness testing device proposed in this utility model.

[0023] Figure 4 This is a schematic diagram of the exploded structure of one end of the guide column of a concrete hardness testing device proposed in this utility model.

[0024] In the diagram: 1. Outer shell, 2. Bracket, 201. Support leg, 3. Sleeve, 301. Limiting hole, 302. Guide post, 3021. Buffer, 3022. Concave hole, 3023. Limiting head, 4. Rubber pad, 5. Concrete ultrasonic testing instrument body, 501. Testing probe, 502. Wire, 6. Handle, 7. Cable box, 8. Support plate, 9. Ring box, 901. Push plate, 902. Liquid outlet, 903. Piston plate, 10. Fixing post, 11. Spring, 1101. Pressure post, 12. Slide groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Example 1

[0027] A concrete hardness testing device, such as Figure 1-3As shown, the concrete ultrasonic testing instrument body 5 is placed inside the outer casing 1 to protect the equipment and improve its service life. The concrete ultrasonic testing instrument body 5 adopts the prior art and includes a testing probe 501 connected to one side of it by a wire 502. Its structural principle will not be described in detail here.

[0028] Preferably, the top outer wall of the concrete ultrasonic testing instrument body 5 is fixed with a handle 6 by bolts; this facilitates the removal and placement of the concrete ultrasonic testing instrument body 5 from the outer casing 1.

[0029] Furthermore, a rubber pad 4 is welded to the top inner wall of the outer shell 1 to fit against the outer wall of the concrete ultrasonic testing instrument body 5; a support plate 8 for supporting the concrete ultrasonic testing instrument body 5 is inserted into one side of the outer shell 1; in use, first pull out the support plate 8, then hold the outer shell 1 with one hand and hold the handle 6 with the other hand and pull it up forcefully to expose the concrete ultrasonic testing instrument body 5, and then push the support plate 8 inward to reset it, which is used to support the bottom of the concrete ultrasonic testing instrument body 5. With the rubber pads 4 around, the position of the concrete ultrasonic testing instrument body 5 is fixed, making it easy to store.

[0030] Furthermore, a U-shaped cable box 7 is bolted to one side of the concrete ultrasonic testing instrument body 5. The cable box 7 has two identical self-organizing structures arranged symmetrically inside to store the wires 502 in real time according to their actual length, thus avoiding messiness. The self-organizing structure includes a fixing post 10 bolted to the inner wall of the cable box 7 near the top, a sliding groove 12 symmetrically distributed on both sides of the fixing post 10 and opened on one side of the cable box 7, a pressure post 1101 slidably connected to the inner wall of the sliding groove 12 by a slider, and a spring 11 welded to the pressure post 1101 and the corresponding side of the cable box 7.

[0031] Preferably, the wire 502 passes through the top surface of the cable box 7. During wiring, the wire 502 enters from the top surface of the cable box 7, then passes around the bottom of the first pressure post 1101, the top of the fixing post 10, and the bottom of the second pressure post 1101, before exiting from the other side of the top surface of the cable box 7. During use, when people pull the wire 502 through the detection probe 501, the spring 11 is compressed, shortening its extension distance, thus allowing more wire 502 to be pulled out. When the detection probe 501 is not in use, the wire 502 will extend its 'folded' distance under the support of the spring 11, thereby enabling automatic sorting and tidying of the two wires 502, avoiding messy wires 502 and inconvenience in use.

[0032] like Figure 1-3As shown, the outer wall of the detection probe 501 is detachably connected to a coupling agent extrusion assembly. The coupling agent extrusion assembly includes an annular box 9 sleeved on the outer wall of the detection probe 501, a piston plate 903 slidably connected to the inner wall of the annular box 9, a connecting post fixed to one side of the piston plate 903 by bolts, a push plate 901 fixed to one end of the connecting post by bolts, an inlet fixed to the outer circumference of the annular box 9 by bolts, and a liquid outlet head 902 fixed to one side of the annular box 9 by bolts.

[0033] The coupling agent is added into the annular box 9 via the import process. Then, the annular box 9 is held and placed over the detection probe 501. Installation and removal are convenient. Figure 3 As shown. In use, after attaching the detection probe 501 to the concrete point to be tested, press the push plate 901 forward with your thumb. The piston plate 903 squeezes the coupling agent in the annular box 9 and it overflows through the liquid outlet 902, thereby realizing a quick application of coupling agent. It is convenient to use and improves detection efficiency.

[0034] Working principle: In use, first pull out the support plate 8, then hold the outer casing 1 with one hand and pull the handle 6 upwards with the other hand to expose the concrete ultrasonic testing instrument body 5. Then push the support plate 8 inwards to reset it, which supports the bottom of the concrete ultrasonic testing instrument body 5. Together with the surrounding rubber pads 4, this fixes the position of the concrete ultrasonic testing instrument body 5. Hold the ring box 9 and put it on the detection probe 501. When people pull the wire 502 through the detection probe 501, the spring 11 will be compressed, shortening its extension distance, thus allowing more wire 502 to be pulled out. When the detection probe 501 is not in use, the wire 502 will extend its 'folded' distance under the support of the spring 11, thus realizing the automatic sorting and straightening of the two wires 502. After attaching the detection probe 501 to the concrete test point, press the push plate 901 forward with your thumb. The piston plate 903 squeezes the coupling agent in the annular box 9 and it overflows through the liquid outlet 902, thus realizing the rapid application of coupling agent. Then, use the concrete ultrasonic testing instrument body 5 to test the hardness of the concrete.

[0035] This invention can measure the hardness of a specific point inside concrete without damaging the concrete surface, and is highly targeted and accurate.

[0036] Example 2

[0037] A concrete hardness testing device, such as Figure 1 and Figure 4As shown, in order to adjust the height of the concrete ultrasonic testing instrument body 5, this embodiment makes the following improvements based on embodiment 1: Adjustable support frames are provided on both sides of the outer shell 1. The adjustable support frame includes two brackets 2 with one end connected to a rotating shaft to form a rotatable fit, a sleeve 3 rotatably connected to one side of one of the brackets 2 via a rotating shaft, several limiting holes 301 equidistantly opened on the outer wall of the sleeve 3, a guide post 302 rotatably connected to one side of the other bracket 2 via a rotating shaft, a concave hole 3022 opened on the outer circumference of the guide post 302, a limiting head 3023 inserted into the inner wall of the concave hole 3022, a buffer 3021 welded to the corresponding side of the concave hole 3022 and the limiting head 3023, and a support leg 201 rotatably connected to one side of the bracket 2 via a rotating shaft, and the limiting head 3023 is adapted to the limiting hole 301. The other end of the guide post 302 is inserted into the inner circumference of the sleeve 3.

[0038] Preferably, the inner bracket 2 is rotatably connected to one side of the outer casing 1;

[0039] Preferably, the buffer 3021 can be a spring;

[0040] The main body 5 of the ultrasonic concrete detector is placed inside the outer casing 1. After being transported to the location of use, the outer casing 1 is placed on the ground using an adjustable support frame. Each support leg 201 hangs down naturally under its own weight, fitting against the structural surface, such as the ground. During use, the operating height of the main body 5 of the ultrasonic concrete detector can be adjusted according to actual needs. Specifically, hold the sleeve 3 and the guide column 302 with both hands and pull them in opposite directions to adjust the appropriate opening angle of the two supports 2. At this time, the limiting head 3023 on the guide column 302 is aligned with the corresponding limiting hole 301 on the sleeve 3, and will be inserted under the action of the buffer 3021, thereby limiting the opening angle of the adjustable support frame and realizing the adjustment of the operating height of the outer casing 1, making it convenient to use.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A concrete hardness testing device, comprising a concrete ultrasonic testing instrument body (5) disposed inside a housing (1), the concrete ultrasonic testing instrument body (5) comprising a testing probe (501) connected to one side thereto via a wire (502), characterized in that, The outer wall of the detection probe (501) is detachably connected to a coupling agent extrusion assembly. The coupling agent extrusion assembly includes an annular box (9) sleeved on the outer wall of the detection probe (501), a piston plate (903) slidably connected to the inner wall of the annular box (9), a connecting post fixedly connected to one side of the piston plate (903), a push plate (901) fixedly connected to one end of the connecting post, an inlet fixedly connected to the outer circumference of the annular box (9), and a liquid outlet (902) fixedly connected to one side of the annular box (9). The concrete ultrasonic testing instrument body (5) has a U-shaped cable box (7) fixedly connected to one side. The cable box (7) has two self-combing structures arranged symmetrically inside. Adjustable support frames are provided on both sides of the outer shell (1).

2. The concrete hardness testing device according to claim 1, characterized in that, The self-combing structure includes a fixed post (10) fixedly connected to the inner wall of the wire box (7) near the top, a slide groove (12) symmetrically distributed on both sides of the fixed post (10) and set on one side of the wire box (7), a pressure post (1101) slidably connected to the inner wall of the slide groove (12) by a slider, and a spring (11) fixedly connected to the pressure post (1101) and the corresponding side of the wire box (7); The conductor (502) passes through the top surface of the junction box (7).

3. The concrete hardness testing device according to claim 1, characterized in that, The adjustable support frame includes two brackets (2) with one end connected by a rotating shaft to form a rotatable fit, a sleeve (3) rotatably connected to one side of one of the brackets (2) by the rotating shaft, several limiting holes (301) equidistantly arranged on the outer wall of the sleeve (3), a guide post (302) rotatably connected to one side of the other bracket (2) by the rotating shaft, a concave hole (3022) set on the outer circumference of the guide post (302), a limiting head (3023) inserted into the inner wall of the concave hole (3022), a buffer (3021) fixedly connected to the corresponding side of the concave hole (3022) and the limiting head (3023), and a support leg (201) rotatably connected to one side of the bracket (2) by the rotating shaft, and the limiting head (3023) is adapted to the limiting hole (301), and the other end of the guide post (302) is inserted into the inner circumference of the sleeve (3).

4. The concrete hardness testing device according to claim 3, characterized in that, The bracket (2) located on the inner side is rotatably connected to one side of the outer shell (1).

5. A concrete hardness testing device according to claim 4, characterized in that, A rubber pad (4) is fixedly connected to the top inner wall of the outer shell (1).

6. A concrete hardness testing device according to claim 5, characterized in that, A tray (8) is inserted into one side of the outer casing (1).

7. The concrete hardness testing device according to claim 1, characterized in that, A handle (6) is fixedly connected to the top outer wall of the concrete ultrasonic testing instrument body (5).

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