Concrete strength detection device for infrastructure engineering

Abstract

The utility model provides a concrete strength detection device for infrastructure engineering, which comprises a base, the base is of a hollow structure, a two-way screw rod is rotatably connected between two sides of the inner wall of the base, and a first bevel gear is fixedly mounted in the center of the surface of the two-way screw rod. Concrete is firstly placed on a workbench, then a first motor drives a second bevel gear to rotate, the second bevel gear is in linkage with a first bevel gear to rotate, so that a two-way screw rod is driven to rotate, when the two-way screw rod rotates, two moving blocks are driven to move in a guide groove, and through arrangement of the guide groove, the two moving blocks are driven to move in the guide groove. And the limiting device is used for limiting the moving blocks and preventing the moving blocks from deflecting in the moving process, and when the two moving blocks move close to each other, the two clamping plates are driven to move, so that the two clamping plates make contact with concrete, and then the effect of clamping and fixing the concrete is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete testing equipment, in particular to a concrete strength testing device for infrastructure engineering. Background Art

[0002] Concrete quality inspection can be divided into three aspects: intrinsic quality (compressive strength, flexural strength, frost resistance, impermeability, chloride ion permeability resistance and steel bar protection layer thickness, etc.), surface quality and dimensional quality.

[0003] The utility model patent with application number: CN202123180003.2 discloses a concrete strength detection device for infrastructure projects, including a detection device body, a pressure drive assembly is provided on the top of the detection device body, a pressure detection assembly is installed on the inner bottom of the detection device body, a fixing assembly is provided on one side of the bottom of the detection device body, a second drive mechanism is embedded and installed on the bottom of the detection device body, and an adjustment rod is rotatably connected to the bottom of the detection device body. The beneficial effects of the utility model are: the concrete strength detection device for infrastructure projects solves the problem of poor stability of the detection device when used under pressure, which causes positional displacement of the detection device during use, resulting in inaccurate detection accuracy, through the action of the first drive mechanism, double-headed threaded rod, threaded sleeve, limit slider, limit groove, hinged plate, support plate, and fixed assembly;

[0004] Although the above technical solution solves the technical problems that the detection device has poor stability when used under pressure, resulting in positional deviation when the detection device is used and inaccurate detection accuracy, the device cannot effectively fix the concrete when testing the concrete, resulting in positional deviation of the concrete during the testing process, which can easily affect the test results. For this reason, a concrete strength detection device for infrastructure projects is proposed. Utility Model Content

[0005] In view of this, the embodiments of the present utility model hope to provide a concrete strength detection device for infrastructure engineering to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the utility model is achieved as follows: a concrete strength detection device for infrastructure projects, including a base, the base is a hollow structure, a bidirectional screw is rotatably connected between the two sides of the inner wall of the base, and a first bevel gear is fixedly installed at the center of the surface of the bidirectional screw; a first motor is fixedly installed at the bottom of the base, and the output end of the first motor penetrates into the interior of the base and is fixedly connected to a second bevel gear, and the second bevel gear is meshed with the first bevel gear; two guide grooves are provided at the top of the base, and a moving block slidably connected to the two guide grooves is threadedly connected to the surface of the bidirectional screw, and a holding plate is fixedly installed on one side of the moving block, the bidirectional screw is a rod with two oppositely rotating threads on the surface, and a workbench is fixedly installed at the center of the top of the base.

[0007] Preferably: a plurality of sliding rods are fixedly installed on the top of the base, and the plurality of sliding rods are evenly distributed on the top of the base in a matrix form, and the top ends of the plurality of sliding rods are commonly fixedly connected to a fixed plate, a hydraulic rod is fixed to the top center of the fixed plate, and the output end of the hydraulic rod is fixedly connected to a sliding plate through the fixed plate, and the sliding plate is slidably connected to the plurality of sliding rods through a sleeve.

[0008] Preferably: the bottom of the sliding plate is rotatably connected to two gears via an axle rod, and the two gears are meshed and connected, a rotating frame is fixedly installed at the bottom of one of the gears, the rotating frame is an L-shaped structure, a rebound hammer for detecting concrete strength is fixedly installed at the bottom of the rotating frame, a second motor is fixedly installed at the bottom of the sliding plate via a base block, and an output end of the second motor is fixedly connected to another gear.

[0009] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0010] 1. When the utility model detects concrete, the concrete is first placed on the workbench, and then the second bevel gear is driven to rotate by the first motor, and the first bevel gear is linked to the second bevel gear to rotate, thereby driving the bidirectional screw to rotate. When the bidirectional screw rotates, it will drive the two moving blocks to move in the guide groove. The setting of the guide groove is used to limit the moving blocks to prevent the moving blocks from deflecting during the movement. When the two moving blocks move close to each other, they will drive the two holding plates to move, so that the two holding plates are in contact with the concrete, thereby achieving the effect of clamping and fixing the concrete. At the same time, a protrusion is set on one side of the holding plate to increase the friction between the holding plate and the concrete, thereby further enhancing the clamping and fixing effect of the concrete, avoiding the occurrence of concrete deviation during the detection process, improving the accuracy and stability of concrete detection, and ensuring the detection reliability of the device.

[0011] 2. The utility model uses a hydraulic rod to push the sliding plate to slide up and down on the surface of the sliding rod, thereby driving the rebound tester to contact with concrete. By bringing the rebound tester into contact with concrete, the function of detecting the strength of concrete is achieved. A second motor drives a gear to rotate, and another gear is linked to rotate, thereby driving the rotating frame to rotate. When the rotating frame rotates, it drives the rebound tester to rotate, thereby achieving the effect of adjusting the position of the rebound tester, achieving the purpose of detecting different positions of the concrete, ensuring the detection of various positions of the concrete, and improving the efficiency of concrete detection.

[0012] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0015] Figure 2 It is a cross-sectional structural diagram of the base of the utility model;

[0016] Figure 3 It is a cross-sectional structural diagram of the sliding rod of the utility model.

[0017] Figure numerals: 1. base; 2. bidirectional screw; 3. first bevel gear; 4. first motor; 5. second bevel gear; 6. guide groove; 7. moving block; 8. clamping plate; 9. workbench; 10. sliding rod; 11. fixed plate; 12. hydraulic rod; 13. sliding plate; 14. gear; 15. rotating frame; 16. rebound tester; 17. second motor. DETAILED DESCRIPTION

[0018] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0019] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0020] like Figure 1-3 As shown, the embodiment of the utility model provides a concrete strength detection device for infrastructure engineering, including a base 1, which is a hollow structure, and a bidirectional screw rod 2 is rotatably connected between the two sides of the inner wall of the base 1, and a first bevel gear 3 is fixedly installed on the surface center of the bidirectional screw rod 2; a first motor 4 is fixedly installed on the bottom of the base 1, and the output end of the first motor 4 penetrates into the interior of the base 1 and is fixedly connected with a second bevel gear 5, and the second bevel gear 5 is meshed and connected with the first bevel gear 3; two guide grooves 6 are provided on the top of the base 1, and a moving block 7 slidably connected to the two guide grooves 6 is threadedly connected on the surface of the bidirectional screw rod 2, and a holding plate 8 is fixedly installed on one side of the moving block 7, and the bidirectional screw rod 2 is a rod with two oppositely rotating threads on the surface, and a workbench 9 is fixedly installed on the top center of the base 1; when testing concrete, the concrete is first placed on the workbench 9, and then The first motor 4 drives the second bevel gear 5 to rotate, and rotates through the second bevel gear 5 to link the first bevel gear 3, thereby driving the bidirectional screw rod 2 to rotate. When the bidirectional screw rod 2 rotates, it will drive the two moving blocks 7 to move in the guide groove 6. The setting of the guide groove 6 is used to limit the moving block 7 to prevent the moving block 7 from deflecting during the movement. When the two moving blocks 7 move close to each other, they will drive the two holding plates 8 to move, so that the two holding plates 8 are in contact with the concrete, thereby achieving the effect of holding and fixing the concrete. At the same time, a raised portion is set on one side of the holding plate 8 to increase the friction between the holding plate 8 and the concrete, thereby further enhancing the holding and fixing effect of the concrete, avoiding the occurrence of concrete deviation during the detection process, improving the accuracy and stability of concrete detection, and ensuring the detection reliability of the device.

[0021] In this embodiment, specifically: a plurality of sliding rods 10 are fixedly installed on the top of the base 1, and the plurality of sliding rods 10 are evenly distributed on the top of the base 1 in a matrix form. The top ends of the plurality of sliding rods 10 are commonly fixedly connected to a fixed plate 11. A hydraulic rod 12 is fixed to the top center of the fixed plate 11. The output end of the hydraulic rod 12 passes through the fixed plate 11 and is fixedly connected to a sliding plate 13. The sliding plate 13 is slidably connected to the plurality of sliding rods 10 through a sleeve. The bottom of the sliding plate 13 is rotatably connected to two gears 14 through an axle rod, and the two gears 14 are meshed and connected. A rotating frame 15 is fixedly installed at the bottom of one gear 14. The rotating frame 15 is an L-shaped structure. A rebound hammer 16 for detecting concrete strength is fixedly installed at the bottom of the rotating frame 15. The bottom of the sliding plate 13 is connected by a shaft. The base block is fixedly mounted with a second motor 17, and the output end of the second motor 17 is fixedly connected to another gear 14; the sliding plate 13 is pushed by the hydraulic rod 12 to slide up and down on the surface of the sliding rod 10, thereby driving the rebound hammer 16 to contact with the concrete. By bringing the rebound hammer 16 into contact with the concrete, the strength of the concrete can be detected. The second motor 17 drives one gear 14 to rotate, and links another gear 14 to rotate, thereby driving the rotating frame 15 to rotate. When the rotating frame 15 rotates, it will drive the rebound hammer 16 to rotate, thereby achieving the effect of adjusting the position of the rebound hammer 16, so as to achieve the purpose of detecting different positions of the concrete, ensure the detection of each position of the concrete, and improve the efficiency of concrete detection.

[0022] The utility model is at work: S1, when testing concrete, first put the concrete on the workbench 9, then drive the second bevel gear 5 to rotate through the first motor 4, and then rotate the first bevel gear 3 through the linkage of the second bevel gear 5, so as to drive the bidirectional screw rod 2 to rotate. When the bidirectional screw rod 2 rotates, it will drive the two moving blocks 7 to move in the guide groove 6. The setting of the guide groove 6 is used to limit the moving block 7 to prevent the moving block 7 from deflecting during the movement. When the two moving blocks 7 move close to each other, they will drive the two clamping plates 8 to move, so that the two clamping plates 8 are in contact with the concrete, thereby achieving the effect of clamping and fixing the concrete. At the same time, a protrusion is set on one side of the clamping plate 8 to increase the friction between the clamping plate 8 and the concrete, thereby further enhancing the clamping and fixing effect of the concrete, avoiding the occurrence of concrete deviation during the detection process, improving the accuracy and stability of concrete detection, and ensuring the detection reliability of the device;

[0023] S2, the sliding plate 13 is pushed by the hydraulic rod 12 to slide up and down on the surface of the sliding rod 10, thereby driving the rebound hammer 16 to contact with the concrete. By bringing the rebound hammer 16 into contact with the concrete, the purpose of detecting the strength of the concrete is achieved. The second motor 17 drives a gear 14 to rotate, and links another gear 14 to rotate, thereby driving the rotating frame 15 to rotate. When the rotating frame 15 rotates, it will drive the rebound hammer 16 to rotate, thereby achieving the effect of adjusting the position of the rebound hammer 16, achieving the purpose of detecting different positions of the concrete, ensuring the detection of each position of the concrete, and improving the efficiency of concrete detection.

[0024] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A concrete strength detection device for infrastructure engineering, comprising a base (1), wherein the base (1) is a hollow structure, characterized in that: A bidirectional screw rod (2) is rotatably connected between the two sides of the inner wall of the base (1), and a first bevel gear (3) is fixedly mounted at the center of the surface of the bidirectional screw rod (2); A first motor (4) is fixedly mounted on the bottom of the base (1); an output end of the first motor (4) penetrates into the interior of the base (1) and is fixedly connected to a second bevel gear (5); the second bevel gear (5) is meshedly connected to the first bevel gear (3); Two guide grooves (6) are provided on the top of the base (1); a moving block (7) which is slidably connected to the two guide grooves (6) is threadedly connected to the surface of the bidirectional screw rod (2); a holding plate (8) is fixedly mounted on one side of the moving block (7).

2. A concrete strength detection device for infrastructure engineering according to claim 1, characterized in that: The bidirectional screw rod (2) is a rod with two threads in opposite directions on its surface, and a workbench (9) is fixedly mounted at the top center of the base (1).

3. A concrete strength detection device for infrastructure engineering according to claim 1, characterized in that: A plurality of sliding rods (10) are fixedly mounted on the top of the base (1), and the plurality of sliding rods (10) are evenly distributed on the top of the base (1) in a matrix form.

4. A concrete strength detection device for infrastructure engineering according to claim 3, characterized in that: The top ends of the plurality of sliding rods (10) are commonly fixedly connected to a fixing plate (11).

5. A concrete strength detection device for infrastructure engineering according to claim 4, characterized in that: A hydraulic rod (12) is fixed at the top center of the fixed plate (11), and an output end of the hydraulic rod (12) passes through the fixed plate (11) and is fixedly connected to a sliding plate (13).

6. A concrete strength detection device for infrastructure engineering according to claim 5, characterized in that: The sliding plate (13) is connected to the plurality of sliding rods (10) in a sliding manner via a sleeve.

7. A concrete strength detection device for infrastructure engineering according to claim 6, characterized in that: The bottom of the sliding plate (13) is rotatably connected to two gears (14) via a shaft, and the two gears (14) are meshed and connected.

8. A concrete strength detection device for infrastructure engineering according to claim 7, characterized in that: A rotating frame (15) is fixedly mounted on the bottom of one of the gears (14), and the rotating frame (15) is an L-shaped structure.

9. A concrete strength detection device for infrastructure engineering according to claim 8, characterized in that: A rebound tester (16) for detecting the strength of concrete is fixedly installed at the bottom of the rotating frame (15).

10. A concrete strength detection device for infrastructure engineering according to claim 7, characterized in that: A second motor (17) is fixedly mounted on the bottom of the sliding plate (13) via a base block, and an output end of the second motor (17) is fixedly connected to another gear (14).

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