CN221860098U - A concrete hardness testing device for concrete - Google Patents

Abstract

The utility model relates to the technical field of concrete detection, and specifically to a concrete hardness detection device for concrete, comprising a bottom plate, wherein the upper end surface of the bottom plate is provided with two conveyor belts distributed front and back through a bracket, the upper end surface of the bottom plate is fixedly connected with side plates on both sides, the upper end surface center of the bottom plate is fixedly connected with a middle plate, a first screw rod is rotatably connected between the two side plates and the middle plate, two first motors are started to fine-tune the spacing between two support plates again, so that the vertical plates on both sides clamp and fix the concrete plate, the stability of the concrete plate is improved, and the detection work is convenient, and finally the hydraulic cylinder is started to drive the detection pressing plate to move downward, so as to detect the hardness of the concrete plate, and when the detection position needs to be adjusted again, the concrete plate only needs to be put back to the upper ends of the two conveyor belts, and the above steps are repeated for detection after the position adjustment is completed, the operation is portable, the degree of automation is high, the work efficiency is improved, and the adjustment is convenient and the use is flexible.

Description

A concrete hardness testing device for concrete

Technical Field

The utility model relates to the technical field of concrete detection, in particular to a concrete hardness detection device for concrete.

Background Art

Concrete slabs, made of concrete materials, are the basic structures and components of housing construction and various engineering structures. They are often used as roofs, floors, platforms, walls, retaining walls, foundations, floors, pavements, pools, etc., and have a wide range of applications. When making concrete, concrete slab manufacturers often cut corners in order to reduce costs, so concrete slab hardness testing is very necessary.

Chinese patent (patent number: CN217212042U, discloses a concrete hardness testing device for concrete), which drives the corresponding threaded rod to rotate by rotating two cranks, and can move in the horizontal direction, so as to drive the two clamping plates to move closer or farther from each other, so as to clamp samples of different sizes, facilitate detection, and improve detection efficiency;

However, the above device has a single structure and only performs hardness testing on a local area, which is not convenient for adjusting the testing position. Such testing cannot test the entire concrete slab and has limitations in use.

Utility Model Content

The utility model aims to provide a concrete hardness detection device for concrete, which has the characteristics of easy operation, high automation, improved work efficiency, convenient adjustment and flexible use.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a concrete hardness detection device for concrete, comprising a bottom plate, the upper end surface of the bottom plate is equipped with two conveyor belts distributed front and back through a bracket, the upper end surface of the bottom plate is fixedly connected with side plates on the left and right sides, the upper end surface of the bottom plate is fixedly connected with a middle plate at the center, a first screw rod is rotatably connected between the two side plates and the middle plate, the two first screw rods are located between the two conveyor belts, the outer walls of the two first screw rods are movably connected with a movable block, the upper end surface of the movable block is fixedly connected with a vertical plate, one side of the outer wall of the vertical plate is fixedly connected with two horizontal plates distributed up and down, a second screw rod is rotatably connected between the two horizontal plates, the outer wall of the second screw rod is movably connected with a connecting block, one side of the connecting block is fixedly connected with a connecting plate, one end of the connecting plate extends to the other side of the vertical plate and is fixedly connected with a support plate.

In order to facilitate the detection of concrete hardness, as a preferred concrete hardness detection device for the utility model, a back plate is fixedly connected to the rear of the upper end surface of the bottom plate, a top plate is fixedly connected to the top of the back plate, a hydraulic cylinder is installed on the upper end surface of the top plate, and a detection pressure plate is fixedly connected to the output end of the hydraulic cylinder.

In order to facilitate the adjustment of the spacing between the vertical plates on both sides, as a preferred concrete hardness detection device for concrete of the utility model, the outer walls of the two side plates are both installed with a first motor, and the output ends of the two first motors are respectively fixedly connected to the two first screw rods.

In order to adjust the height of the support plate, as a preferred concrete hardness detection device for concrete of the utility model, second motors are installed on the upper end surfaces of the two horizontal plates located above, and the output ends of the two second motors are fixedly connected to the two second screw rods respectively.

In order to facilitate accurate measurement of concrete hardness, as a preferred concrete hardness detection device for concrete of the utility model, a pressure sensor is provided on one side of the detection platen.

In order to increase the friction between the outer walls of the two conveyor belts, as a preferred embodiment of the concrete hardness detection device for concrete of the utility model, the surface of the conveyor belt is provided with anti-skid particles.

Compared with the prior art, the beneficial effects of the utility model are as follows:

The concrete slab to be tested is placed above the two conveyor belts. At this time, the heights of the two support plates are lower than the bottom of the concrete. The two conveyor belts are started according to the position to be tested to drive the concrete slab to move left and right for adjustment. After the adjustment is completed, the two first motors are started to drive the two first screws to rotate, thereby driving the two movable blocks to move left and right, thereby adjusting the spacing between the support plates on both sides, so that the two support plates are moved to a position where the concrete slab can be supported. Subsequently, the two second motors are started to drive the two second screws to rotate, thereby driving the two support plates to move upward, thereby supporting the concrete slab, leaving a gap between the concrete slab and the two conveyor belts, thereby facilitating subsequent testing work. The two first motors are further started to fine-tune the spacing between the two support plates again, so that the vertical plates on both sides clamp and fix the concrete slab, improve the stability of the concrete slab, and facilitate the testing work. Finally, the hydraulic cylinder is started to drive the testing plate to move downward, thereby testing the hardness of the concrete slab. When the testing position needs to be adjusted again, the concrete slab only needs to be put back to the upper end of the two conveyor belts. After the position adjustment is completed, the above steps are repeated for testing. The operation is portable, the degree of automation is high, the work efficiency is improved, and the adjustment is convenient and the use is flexible.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a front view of the overall structure of the utility model;

Figure 2 is a partial top view of the structure of the utility model;

FIG3 is a cross-sectional structural diagram of the detection pressure plate of the utility model.

In the figure: 1. bottom plate; 2. bracket; 3. conveyor belt; 4. side plate; 5. middle plate; 6. first screw rod; 7. movable block; 8. vertical plate; 9. horizontal plate; 10. second screw rod; 11. connecting block; 12. connecting plate; 13. support plate; 14. back plate; 15. top plate; 16. hydraulic cylinder; 17. detection pressure plate; 18. first motor; 19. second motor; 20. pressure sensor.

DETAILED DESCRIPTION

Please refer to Figures 1 to 3, a concrete hardness detection device for concrete includes a bottom plate 1, and two conveyor belts 3 distributed front and back are installed on the upper end surface of the bottom plate 1 through a bracket 2, side plates 4 are fixedly connected to the left and right sides of the upper end surface of the bottom plate 1, and a middle plate 5 is fixedly connected to the center of the upper end surface of the bottom plate 1, and a first screw rod 6 is rotatably connected between the two side plates 4 and the middle plate 5, and the two first screw rods 6 are located between the two conveyor belts 3. The outer walls of the two first screw rods 6 are movably connected to movable blocks 7, and the upper end surfaces of the movable blocks 7 are fixedly connected to vertical plates 8, and one side of the outer wall of the vertical plate 8 is fixedly connected to two horizontal plates 9 distributed up and down, and a second screw rod 10 is rotatably connected between the two horizontal plates 9, and the outer wall of the second screw rod 10 is movably connected to a connecting block 11, and one side of the connecting block 11 is fixedly connected to a connecting plate 12, and one end of the connecting plate 12 extends to the other side of the vertical plate 8 and is fixedly connected to a support plate 13.

In this embodiment: when testing, the concrete slab to be tested is placed above the two conveyor belts 3. At this time, the heights of the two support plates 13 are both lower than the bottom of the concrete. The two conveyor belts 3 are started according to the position to be tested, thereby driving the concrete slab to move left and right for adjustment. After the adjustment is completed, the two first motors 18 are started to drive the two first screw rods 6 to rotate, thereby driving the two movable blocks 7 to move left and right, thereby adjusting the spacing between the support plates 13 on both sides, so that the two support plates 13 move to a position where the concrete slab can be supported, and then the two second motors 19 are started to drive the two second screw rods 10 to rotate, thereby driving the two support plates 13 to move upward, thereby lifting the concrete slab. The plate is propped up to leave a gap between the concrete plate and the two conveyor belts 3, which is convenient for subsequent detection work. The two first motors 18 are further started to slightly adjust the distance between the two support plates 13, so that the vertical plates 8 on both sides clamp and fix the concrete plate, thereby improving the stability of the concrete plate and facilitating the detection work. Finally, the hydraulic cylinder 16 is started to drive the detection pressure plate 17 to move downward, so as to detect the hardness of the concrete plate. When the detection position needs to be adjusted again, the concrete plate only needs to be put back to the upper end of the two conveyor belts 3. After the position adjustment is completed, the above steps are repeated for detection. It is portable to operate, has a high degree of automation, improves work efficiency, is easy to adjust, and is flexible to use.

As a technical optimization solution of the utility model, a back plate 14 is fixedly connected to the rear of the upper end surface of the base plate 1, a top plate 15 is fixedly connected to the top of the back plate 14, a hydraulic cylinder 16 is installed on the upper end surface of the top plate 15, and a detection pressure plate 17 is fixedly connected to the output end of the hydraulic cylinder 16.

In this embodiment: the hydraulic cylinder 16 is started to drive the detection platen 17 to move downward, so as to detect the hardness of the concrete slab.

As a technical optimization solution of the present invention, first motors 18 are installed on the outer walls of the two side panels 4 , and the output ends of the two first motors 18 are fixedly connected to the two first screw rods 6 respectively.

In this embodiment, the first motor 18 is used to drive the first screw rod 6 to rotate, so as to adjust the distance between the support plates 13 on both sides.

As a technical optimization solution of the utility model, the upper end surfaces of the two horizontal plates 9 located at the top are both installed with second motors 19 , and the output ends of the two second motors 19 are fixedly connected to the two second screw rods 10 respectively.

In this embodiment, the second motor 19 is used to drive the second screw rod 10 to rotate, so as to adjust the height of the support plates 13 on both sides.

As a technical optimization solution of the present invention, a pressure sensor 20 is provided on one side of the detection platen 17 .

In this embodiment, a pressure sensor 20 is provided on one side of the detection platen 17 to improve the hardness detection accuracy.

As a technical optimization solution of the present utility model, the surface of the conveyor belt 3 is provided with anti-skid particles.

In this embodiment: the surface of the conveyor belt 3 is provided with anti-skid particles to improve the surface friction and anti-skid effect of the conveyor belt 3, so that the concrete slab moves more smoothly.

Working principle: When testing, the concrete slab to be tested is placed above the two conveyor belts 3. At this time, the heights of the two support plates 13 are lower than the bottom of the concrete. The two conveyor belts 3 are started according to the position to be tested, thereby driving the concrete slab to move left and right for adjustment. After the adjustment is completed, the two first motors 18 are started to drive the two first screw rods 6 to rotate, thereby driving the two movable blocks 7 to move left and right, thereby adjusting the spacing between the support plates 13 on both sides, so that the two support plates 13 move to a position where the concrete slab can be supported. Subsequently, the two second motors 19 are started to drive the two second screw rods 10 to rotate, thereby driving the two support plates 13 to move upward, thereby supporting the concrete slab, leaving a gap between the concrete slab and the two conveyor belts 3, thereby facilitating subsequent testing work, and further starting the two first motors 18 to fine-tune the spacing between the two support plates 13 again, so that the vertical plates 8 on both sides clamp and fix the concrete slab, thereby improving the stability of the concrete slab and facilitating the testing work. Finally, the hydraulic cylinder 16 is started to drive the testing plate 17 to move downward, thereby testing the hardness of the concrete slab. When the testing position needs to be adjusted again, the concrete slab only needs to be put back to the upper end of the two conveyor belts 3.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A concrete hardness detection device for concrete, comprising a bottom plate (1), characterized in that: the upper end surface of the bottom plate (1) is equipped with two conveyor belts (3) distributed front and back through a bracket (2), the left and right sides of the upper end surface of the bottom plate (1) are fixedly connected with side plates (4), the center of the upper end surface of the bottom plate (1) is fixedly connected with a middle plate (5), the two side plates (4) and the middle plate (5) are rotatably connected with a first screw rod (6), the two first screw rods (6) are located between the two conveyor belts (3), and the two first screw rods The outer wall of each of the movable blocks (6) is movably connected to a movable block (7), the upper end surface of the movable block (7) is fixedly connected to a vertical plate (8), one side of the outer wall of the vertical plate (8) is fixedly connected to two vertically distributed horizontal plates (9), a second screw rod (10) is rotatably connected between the two horizontal plates (9), the outer wall of the second screw rod (10) is movably connected to a connecting block (11), one side of the connecting block (11) is fixedly connected to a connecting plate (12), one end of the connecting plate (12) extends to the other side of the vertical plate (8) and is fixedly connected to a support plate (13). 2. A concrete hardness detection device for concrete according to claim 1, characterized in that: a back plate (14) is fixedly connected to the rear of the upper end surface of the base plate (1), a top plate (15) is fixedly connected to the top of the back plate (14), a hydraulic cylinder (16) is installed on the upper end surface of the top plate (15), and a detection pressure plate (17) is fixedly connected to the output end of the hydraulic cylinder (16). 3. A concrete hardness detection device for concrete according to claim 1, characterized in that: the outer walls of the two side panels (4) are each installed with a first motor (18), and the output ends of the two first motors (18) are respectively fixedly connected to the two first screw rods (6). 4. A concrete hardness detection device for concrete according to claim 1, characterized in that: the upper end surfaces of the two horizontal plates (9) located at the top are each equipped with a second motor (19), and the output ends of the two second motors (19) are respectively fixedly connected to the two second screw rods (10). 5. A concrete hardness detection device for concrete according to claim 2, characterized in that a pressure sensor (20) is provided on one side of the detection platen (17). 6. A concrete hardness testing device for concrete according to claim 1, characterized in that the surface of the conveyor belt (3) is provided with anti-skid particles.