CN220982987U

CN220982987U - Concrete crack resistance detection device for building and civil engineering

Info

Publication number: CN220982987U
Application number: CN202322557059.8U
Authority: CN
Inventors: 张华夏
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-17
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a concrete crack resistance detection device for construction and civil engineering, which belongs to the technical field of construction material detection equipment, and comprises the following components: the base is fixedly connected with a bracket above the base, the top of the bracket is fixedly connected with a telescopic rod, the movable end of the telescopic rod penetrates through the top plate of the bracket and is fixedly connected with a shell, and a splash-proof box body is fixedly connected below the shell; the shell is fixedly installed with the motor outside, and the motor output passes the shell transmission and is connected with the cam, and cam below butt is kept out the board, keeps out board below rigid coupling spliced pole, and the spliced pole runs through the splashproof box rigid coupling and has the installation piece, and the spliced pole overcoat is equipped with the spring, spring one end and keep out board bottom surface butt, the other end and splashproof box top surface butt, can dismantle on the installation piece and be connected with the impact head, and the impact head below corresponds to be provided with places the platform, places the platform setting in the base top. The utility model can realize the cyclic impact on the concrete sample, and can replace different impact heads as detection pressing tools, thereby enriching the detection form of the crack resistance of the concrete.

Description

Concrete crack resistance detection device for building and civil engineering

Technical Field

The utility model belongs to the technical field of building material detection equipment, and particularly relates to a concrete crack resistance detection device for construction and civil engineering.

Background

The concrete is artificial stone prepared from gel material, coarse and fine aggregate, water and other additives according to a proper proportion. The concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. The crack resistance detection of concrete is one of the important links of concrete strength detection. The detection of the cracking resistance of the concrete is a main step for ensuring whether the concrete meets the standards or not and ensuring the use safety.

The patent with publication number CN217638481U discloses a concrete crack resistance detector for construction and civil engineering, which relates to the field of construction engineering. This concrete crack resistance detects machine for building, including the mounting bracket, detect the pressure equipment utensil, detect the platform, be used for avoiding the rubble to splash protection casing, joint box and be used for restricting the stop gear of protection casing position, the mounting bracket bottom is provided with the lifter. However, the existing device is single in detection of the cracking resistance of the concrete, cannot circularly impact in the concrete detection process, and detects the cracking resistance of the concrete under pressure impact. And the detection press tool of the existing detection device and the connecting rod thereof are mostly fixedly installed and can not be detached, so that the detection press tool of different types can not be replaced, the crack resistance detection of different strengths is carried out, and the crack resistance of different types of concrete can be conveniently detected.

Therefore, a concrete crack resistance detection device for construction and civil engineering is provided.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a concrete crack resistance detection device for construction and civil engineering.

In order to achieve the above object, the present utility model provides a concrete crack resistance detecting device for construction and civil engineering, comprising:

The anti-splash device comprises a base, wherein a support is fixedly connected above the base, a telescopic rod is fixedly connected at the top of the support, a shell is fixedly connected at the movable end of the telescopic rod, penetrates through a top plate of the support, and a splash-proof box is fixedly connected below the shell; the anti-splash box comprises a shell, and is characterized in that a motor is fixedly installed outside the shell, an output end of the motor penetrates through the shell to be connected with a cam, a butt joint abutting against plate is arranged below the cam, a connecting column is fixedly connected below the butt against plate, a mounting block is fixedly connected with the anti-splash box body through the connecting column, a spring is sleeved outside the connecting column, one end of the spring is in butt joint with the bottom surface of the butt against plate, the other end of the spring is in butt joint with the top surface of the anti-splash box body, an impact head is detachably connected to the mounting block, and a placement table is correspondingly arranged below the impact head and is arranged above the base.

Preferably, the placing table is in sliding connection with the base, an electric jack is fixedly connected below the placing table, and the electric jack is fixedly installed inside the base.

Preferably, the bottom surface of the splash-proof box body is opened, and the area of the bottom surface is larger than that of the placing table; the base top surface is located place the platform outside and seted up the spacing groove, the spacing groove with splashproof box bottom corresponds the setting.

Preferably, the top surface of the mounting block is abutted to the top surface inside the splash-proof box body, a key groove is correspondingly formed in the side surface of the mounting block and the side surface of the impact head, and a mounting key is inserted into the key groove.

Preferably, the key groove and the installation key are correspondingly arranged, and the key groove and the installation key are both conical.

Preferably, the inner wall of the splash-proof box body is fixedly connected with a shock pad.

Preferably, the top surface of the retaining plate is provided with a recess, and the recess is matched with the extrados of the cam.

Compared with the prior art, the utility model has the following advantages and technical effects:

When the anti-splash device is used, a concrete sample is placed on a placing table, a telescopic rod is controlled to move downwards, a splash-proof box body is abutted with a base, an impact head is positioned at a proper height above the concrete sample, then a motor is started, the motor drives a cam to rotate, the cam abuts against a retaining plate, the retaining plate abuts against a spring, and under the cooperation of the spring, the cam pushes the retaining plate to move up and down, so that a connecting column fixedly connected with the retaining plate and the installation block and the impact head reciprocate up and down together, the cyclic impact on the concrete sample is realized, and the form of detecting the anti-crack performance of the concrete is enriched; when the impact detection test is carried out, the splash-proof box cover is arranged on the outer side of the concrete sample, so that the splashing of fragments after the impact of the concrete is prevented, and the injury of the personnel by the fragments is avoided; the impact head is detachably connected with the mounting block, so that the impact heads with different types and models can be replaced to serve as detection pressing tools to detect the cracking resistance of the concrete under different impacts, and the form of detecting the cracking resistance of the concrete is enriched.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 is a schematic view of the external structure of a concrete crack resistance detection device for construction and civil engineering according to the present utility model;

FIG. 2 is a schematic diagram showing the internal structure of a concrete crack resistance detection device for construction and civil engineering according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2A;

In the figure: 1. a base; 2. a bracket; 3. a telescopic rod; 4. a housing; 5. a splash-proof box body; 6. a motor; 7. a cam; 8. a retaining plate; 9. a connecting column; 10. a mounting block; 11. a spring; 12. an impact head; 13. a placement table; 14. an electric jack; 15. a limit groove; 16. a key slot; 17. installing a key; 18. a shock pad; 19. and (5) recessing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 3, the present embodiment provides a concrete crack resistance detecting apparatus for construction and civil engineering, comprising:

The anti-splash device comprises a base 1, wherein a support 2 is fixedly connected above the base 1, a telescopic rod 3 is fixedly connected at the top of the support 2, a shell 4 is fixedly connected at the movable end of the telescopic rod 3, penetrating through the top plate of the support 2, and a splash-proof box 5 is fixedly connected below the shell 4; the motor 6 is fixedly installed outside the shell 4, the output end of the motor 6 penetrates through the shell 4 to be connected with the cam 7 in a transmission manner, the lower side of the cam 7 is abutted to the retaining plate 8, the lower side of the retaining plate 8 is fixedly connected with the connecting column 9, the connecting column 9 penetrates through the splash-proof box 5 to be fixedly connected with the mounting block 10, the spring 11 is sleeved outside the connecting column 9, one end of the spring 11 is abutted to the bottom surface of the retaining plate 8, the other end of the spring is abutted to the top surface of the splash-proof box 5, the impact head 12 is detachably connected to the mounting block 10, the placement table 13 is correspondingly arranged below the impact head 12, and the placement table 13 is arranged above the base 1.

When the anti-splash device is used, a concrete sample is placed on a placing table 13, a telescopic rod 3 is controlled to descend, a splash-proof box body 5 is abutted against a base 1, an impact head 12 is positioned at a proper height above the concrete sample, then a motor 6 is started, the motor 6 drives a cam 7 to rotate, the cam 7 abuts against a retaining plate 8, the retaining plate 8 abuts against a spring 11, under the cooperation of the spring 11, the cam 7 pushes the retaining plate 8 to move up and down, so that a connecting column 9 fixedly connected with the retaining plate 8 reciprocates up and down together with a mounting block 10 and the impact head 12, the cyclic impact on the concrete sample is realized, and the form of concrete crack resistance detection is enriched; when an impact detection test is carried out, the splash-proof box body 5 is covered on the outer side of the concrete sample, so that the splashing of fragments after the impact of the concrete is prevented, and the injury of the personnel by the fragments is avoided; the impact head 12 is detachably connected with the mounting block 10, so that the impact head 12 with different types and models can be replaced to serve as a detection press to detect the cracking resistance of the concrete under different impacts, and the form of detecting the cracking resistance of the concrete is enriched.

According to a further optimization scheme, the placing table 13 is in sliding connection with the base 1, an electric jack 14 is fixedly connected below the placing table 13, and the electric jack 14 is fixedly installed inside the base 1.

The electric jack 14 can adjust the height of the placement table 13 to accommodate concrete samples of different thickness, keeping the concrete samples at a suitable distance from the impact head 12.

According to the further optimization scheme, the bottom surface of the splash-proof box body 5 is opened, and the area of the bottom surface is larger than that of the placing table 13; the top surface of the base 1 and the outer side of the placing table 13 are provided with limiting grooves 15, and the limiting grooves 15 are correspondingly arranged with the bottom end of the splash-proof box body 5.

The size of the opening at the bottom of the splash-proof box body 5 is larger than the size of the table top of the placing table 13, so that the splash-proof box body 5 can cover the placing table 13 completely and prevent the concrete sample fragments on the placing table 13 from splashing; the limit groove 15 enables the splash-proof box body 5 to be slightly embedded into the base 1, so that the buckling between the splash-proof box body 5 and the base 1 is firmer.

In a further optimized scheme, the top surface of the mounting block 10 is abutted with the inner top surface of the splash-proof box body 5, key grooves 16 are correspondingly formed in the side surfaces of the mounting block 10 and the impact head 12, and mounting keys 17 are inserted into the key grooves 16.

The impact head 12 and the mounting block 10 are mounted and dismounted through the mounting key 17 and the key groove 16; the installation and the disassembly are convenient.

In a further optimized scheme, the key groove 16 and the installation key 17 are correspondingly arranged, and both the key groove 16 and the installation key 17 are conical.

The tapered key and the key groove 16 prevent the difficulty of the mounting key 17 coming out of the key groove 16 due to deformation of the mounting key 17 during impact.

Further optimizing scheme, the shock pad 18 is fixedly connected to the inner wall of the splash-proof box body 5.

Further, the cushion 18 is preferably a cushion sponge. The shock attenuation sponge absorbs the impact force of the concrete piece that splashes, and the protection splashproof box 5 inner wall is not scratched, reduces the noise that the concrete piece striking splashproof box 5 inner wall produced simultaneously.

Further optimizing scheme, the top surface of the abutting plate 8 is provided with a concave 19, and the concave 19 is matched with the extrados surface of the cam 7.

The recess 19 prevents the cam 7 from slipping.

Further, heat treatment may be performed in the recess 19 to make the surface wear resistant and hard.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A concrete crack resistance detection device for construction and civil engineering, characterized by comprising:

The anti-splash device comprises a base (1), wherein a support (2) is fixedly connected above the base (1), a telescopic rod (3) is fixedly connected at the top of the support (2), a shell (4) is fixedly connected at the movable end of the telescopic rod (3) through the top plate of the support (2), and a splash-proof box body (5) is fixedly connected below the shell (4); the utility model discloses a splash proof device, including shell (4), motor (6) output pass shell (4) transmission is connected with cam (7), cam (7) below butt is kept out board (8), keep out board (8) below rigid coupling spliced pole (9), spliced pole (9) run through splash proof box (5) rigid coupling has installation piece (10), spliced pole (9) overcoat is equipped with spring (11), spring (11) one end with keep out board (8) bottom surface butt, the other end with splash proof box (5) top surface butt, can dismantle on installation piece (10) and be connected with impact head (12), impact head (12) below correspondence is provided with places platform (13), place platform (13) set up in base (1) top.

2. The concrete crack resistance detection device for construction and civil engineering according to claim 1, wherein: the placing table (13) is in sliding connection with the base (1), an electric jack (14) is fixedly connected below the placing table (13), and the electric jack (14) is fixedly installed inside the base (1).

3. The concrete crack resistance detection device for construction and civil engineering according to claim 1, wherein: the bottom surface of the splash-proof box body (5) is opened, and the area of the bottom surface is larger than that of the placing table (13); the anti-splash box is characterized in that a limiting groove (15) is formed in the top surface of the base (1) and located on the outer side of the placing table (13), and the limiting groove (15) is correspondingly formed in the bottom end of the anti-splash box body (5).

4. The concrete crack resistance detection device for construction and civil engineering according to claim 1, wherein: the top surface of the installation block (10) is abutted to the inner top surface of the splash-proof box body (5), a key groove (16) is correspondingly formed in the side surface of the installation block (10) and the side surface of the impact head (12), and an installation key (17) is inserted into the key groove (16).

5. The concrete crack resistance detection device for construction and civil engineering according to claim 4, wherein: the key groove (16) and the installation key (17) are correspondingly arranged, and the key groove (16) and the installation key (17) are both conical.

6. The concrete crack resistance detection device for construction and civil engineering according to claim 1, wherein: the inner wall of the splash-proof box body (5) is fixedly connected with a shock pad (18).

7. The concrete crack resistance detection device for construction and civil engineering according to claim 1, wherein: the top surface of the bearing plate (8) is provided with a concave (19), and the concave (19) is matched with the extrados of the cam (7).