CN215573844U

CN215573844U - Concrete coring device

Info

Publication number: CN215573844U
Application number: CN202120031331.7U
Authority: CN
Inventors: 孙纯; 董恭廷
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2022-01-18
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a concrete coring device, which belongs to the technical field of road engineering inspection, and comprises a road surface to be paved, concrete and a coring piece, wherein the coring piece is positioned on the road surface to be paved; the coring piece comprises an inner cylinder and an outer cylinder, the inner cylinder is a bottomless round shell, the inner cylinder is positioned on the inner side of the outer cylinder, anti-bonding agents are coated on the outer side of the outer cylinder and the inner side of the inner cylinder, concrete is poured and compacted on the outer side of the outer cylinder and the inner side of the inner cylinder, and the coring piece is suitable for coring; the device has simple and clear structure and simple installation mode, and solves the problems of heavy core taking mode, easy pollution to testers, samples and the like.

Description

Concrete coring device

Technical Field

The utility model belongs to the technical field of road engineering inspection, and particularly relates to a concrete coring device.

Background

At present, in the road construction process, different standards are described differently for the purpose of adopting a core drilling sampling method, but the method can be summarized as that a core sample is drilled from a concrete structure or a member, a concrete strength test piece is prepared, the strength of the concrete core sample is measured, and the core sample is used for checking and verifying the strength of the concrete of a building or used as a main quality index for evaluating the structure.

Because of the concrete construction and acceptance standard requirements, for a normally constructed concrete structure, a concrete cube test piece must be manufactured according to the requirements for strength evaluation and acceptance, and the core taking machine is an important test tool for detecting structural layers such as a road cement stabilizing layer and the like and is used for testing parameters such as compactness, thickness, breaking strength and the like. In the coring process, a large amount of cement paste which can be produced not only pollutes clothes of a test person but also pollutes roads and coring holes, the core coring machine is heavy to carry, the quality of coring can be possibly caused to have errors due to manual operation of a drill bit and the test person, and whether coring can be carried out more efficiently and in a pollution-free manner is a difficult problem.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the existing coring mode is heavy and easily pollutes test personnel and samples.

In order to solve the technical problems, the inventor obtains the technical scheme of the utility model through practice and summary, and the utility model discloses a concrete coring device, which comprises a pavement to be paved, concrete and a coring element, wherein the coring element is positioned on the pavement to be paved;

get the core piece and include inner tube and urceolus, the inner tube is the round shell at no end, the inner tube is located the inboard of urceolus, the binder is prevented all being smeared to the inboard of urceolus outside and inner tube, the urceolus outside all pours and the compaction concrete with the inner tube inboard, get the core piece and be suitable for getting the core from the concrete.

Further, the outer cylinder is in an inverted circular truncated cone shape, the bottom of the outer cylinder is horizontally placed on a road surface to be paved, a cavity is arranged between the outer cylinder and the inner cylinder, and fillers are buried in the cavity and are suitable for supporting the outer cylinder and the inner cylinder buried under the compacted road surface.

Furthermore, a first connecting groove is formed in the inner side of the outer barrel, a second connecting groove is formed in the outer side of the inner barrel, and the filler is suitable for filling the first connecting groove and the second connecting groove respectively.

Further, an installation groove is formed in the inner side of the bottom of the outer cylinder, and the installation groove is suitable for installing the bottom of the side wall of the inner cylinder;

the mounting groove is circular, the section of the mounting groove along the central axis is two symmetrical right-angled triangles, and the right angle of the right-angled triangle is attached to the side wall of the outer barrel.

Furthermore, an elastic part is installed between the inner cylinder and the outer cylinder, the lower end of the elastic part is attached to the bottom of the outer cylinder, the side faces of the elastic part are respectively abutted to the inner side of the outer cylinder and the outer side of the inner cylinder, the upper end of the elastic part is attached to the filler, and the elastic part is suitable for isolating concrete from flowing out of the inner side of the inner cylinder.

Furthermore, a pull ring is arranged in the first connecting groove, the pull ring is fixedly connected with the first connecting groove, and the pull ring is suitable for being embedded into filler.

Further, a damping layer is arranged on the surface of the outer barrel, the outer barrel is fixedly connected with the damping layer, and the damping layer is made of damping materials.

Furthermore, the surface of the inner barrel is provided with blind holes, a plurality of groups of blind holes are arranged in the blind holes, and the plurality of groups of blind holes are arranged in parallel along the circumferential direction.

Compared with the prior art, the utility model can obtain the following technical effects:

1. compared with the prior art, the device has a simple and clear structure, does not need to purchase a professional coring machine, obtains coring samples in an inner cylinder and outer cylinder pre-embedding mode, is different from the common mode in the prior art, and is made of common materials in the market.

2. Compared with the prior art, the utility model limits the shape of the outer cylinder, the bonding condition of the filler and the concrete is not or less, the material of the coring sample plate is not influenced, and simultaneously the filler supports the distance between the inner cylinder and the outer cylinder.

3. Compared with the prior art, the device and the sample taking method have the advantages that the first connecting groove and the second connecting groove are buried by the filler, so that concrete cannot be bonded to the first connecting groove and the second connecting groove, and the first connecting groove and the second connecting groove are set to facilitate taking out of the device and the sample.

4. Compared with the prior art, the device limits the bottom of the outer cylinder to be provided with the installation groove, the shape of the installation groove is matched with the bottom end of the inner cylinder, and concrete can be reduced from flowing out of the inner cylinder.

5. Compared with the prior art, the core-taking device has the advantages that the elastic piece is arranged to achieve the effect of isolating concrete, and the damping layer is made of damping materials to reduce the influence of vibration on core-taking samples.

6. Compared with the prior art, the pull ring and the blind hole are designed, so that when the device is opened, the filler is convenient to take out, firstly, the sample is directly taken out through the blind hole by using the drag hook, and then, the outer cylinder is taken out through the pull ring; or the outer barrel is directly taken out through the pull ring and then the inner barrel is taken out, so that the pollution of the materials is avoided and the materials are convenient to take.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a working cross-sectional view of the present invention;

FIG. 2 is a view of the inner barrel of the present invention;

FIG. 3 is a view showing the construction of the outer tub of the present invention;

fig. 4 is a sectional view of the outer tub of the present invention.

In the figure: 1. a pavement; 2. concrete; 3. taking the core piece; 31. an inner barrel; 311. a second connecting groove; 32. an outer cylinder (321, a first connecting groove; 322, a mounting groove; 323, a pull ring; etc.); 4. a filler; 5. an elastic member; 6. a damping layer; 7. and (4) blind holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 to 4, a concrete coring device comprises a pavement 1 to be paved, concrete 2 and a coring member 3, wherein the coring member 3 is positioned on the pavement 1 to be paved;

the core taking part 3 comprises an inner cylinder 31 and an outer cylinder 32, wherein the inner cylinder 31 is a bottomless round shell, the inner cylinder 31 is positioned on the inner side of the outer cylinder 32, the outer side of the outer cylinder 32 and the inner side of the inner cylinder 31 are both coated with anti-bonding agents, concrete 2 is poured and compacted on the outer side of the outer cylinder 32 and the inner side of the inner cylinder 31, and the core taking part 3 is suitable for taking cores from the concrete 2.

Specifically, the anti-sticking agent is a release agent, and a water stabilizing layer is laid on 1 position of the laid pavement.

The outer cylinder 32 is in an inverted circular truncated cone shape, the bottom of the outer cylinder 32 is horizontally placed on a pavement 1 to be paved, a cavity is arranged between the outer cylinder 32 and the inner cylinder 31, a filler 4 is buried in the cavity, the filler 4 is suitable for supporting the outer cylinder 32 and the inner cylinder 31 buried under the compacted pavement 1, and specifically, the filler 4 is sand.

The inner side of the outer cylinder 32 is opened with a first connecting groove 321, the outer side of the inner cylinder 31 is opened with a second connecting groove 311, and the first connecting groove 321 and the second connecting groove 311 are filled with the filler 4 respectively.

The inner side of the bottom of the outer cylinder 32 is provided with a mounting groove 322, and the mounting groove 322 is suitable for mounting the bottom of the side wall of the inner cylinder 31;

the mounting groove 322 is the ring form, and the mounting groove 322 is two sets of right angled triangle for the symmetry along the cross-section of central axis, and right angled triangle's right angle laminating urceolus 32 lateral wall, specifically, the right angle is located the one side of keeping away from the bottom.

An elastic part 5 is arranged between the inner cylinder 31 and the outer cylinder 32, the lower end of the elastic part 5 is attached to the bottom of the outer cylinder 32, the side surfaces of the elastic part 5 are respectively abutted to the inner side of the outer cylinder 32 and the outer side of the inner cylinder 31, the upper end of the elastic part 5 is attached to the filler 4, and the elastic part 5 is suitable for preventing the concrete 2 from flowing out of the inner side of the inner cylinder 31.

A pull ring 323 is arranged in the first connecting groove 321, the pull ring 323 is fixedly connected with the first connecting groove 321, and the pull ring 323 is suitable for being embedded in the filler 4.

The surface of the outer cylinder 32 is provided with a damping layer 6, the outer cylinder 3 is fixedly connected with the damping layer 6, and the damping layer 32 is made of damping materials.

The surface of the inner cylinder 31 is provided with blind holes 7, a plurality of groups of blind holes 7 are arranged in the blind holes 7, and the blind holes 7 are arranged in parallel along the circumferential direction.

The working principle is as follows:

the device is basically used for coring after a water stable layer is poured, after the inner cylinder 31 is limited to be placed in the mounting groove 322 of the outer cylinder 32, the elastic part 5 is mounted between the inner cylinder 31 and the outer cylinder 32, the elastic part 5 is plugged into the bottom, then the filler 4 is fully poured and compacted, anti-adhesion layers are coated on the surfaces of the inner cylinder 31 and the outer cylinder 32, the diameters of the inner cylinder 31 and the outer cylinder 32 are limited to meet the relevant standard requirements of coring technology, and the device is primarily mounted;

then, the device is pre-buried in a pavement to be paved, concrete 2 is normally paved around the device, the paving height of the concrete 2 is limited to be higher than the pre-buried height of the device, the height value is within the allowable error range of the water-stable layer coring standard value, and the concrete 2 descends by 2-5 mm after being solidified, so that the upper surface of the device is ensured to cover a concrete 2 thin layer, the post-treatment is convenient, and the concrete 2 can be preferentially paved around the device for ensuring the uniformity of an anti-bonding layer;

compacting the road surface, making corresponding marks at the positions of the road sidelines of the device, facilitating search, rolling and curing after paving water stabilizing materials, forming, accurately finding the positions of the devices by using the marks during coring, removing 2 layers of surface concrete, connecting pull rings 323 in first connecting grooves 321 by using a clamp, and facilitating taking out of the outer cylinder 32 from the water stabilizing layer due to the fact that an anti-adhesion layer is uniformly coated on the outer side of the outer cylinder 32;

after the device is taken out, the filler 4 is removed, the blind hole 7 is clamped again, the inner cylinder 31 is removed, the inner side of the inner cylinder 31 is uniformly coated with an anti-bonding layer, the core sample is taken out easily, the opening caused by the device is backfilled, and the core taking process is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a concrete coring device, includes road surface (1) and concrete (2) that wait to lay, its characterized in that: the pavement paving device further comprises a core taking piece (3), wherein the core taking piece (3) is positioned on the pavement (1) to be paved;

get core piece (3) and include inner tube (31) and urceolus (32), inner tube (31) are bottomless round shell, inner tube (31) are located the inboard of urceolus (32), the binder is prevented all to scribble in the inboard of urceolus (32) outside and inner tube (31), the concrete (2) is all pour and compacted in the urceolus (32) outside and inner tube (31) inboard, get core piece (3) and be suitable for coring from concrete (2).

2. A concrete coring device as set forth in claim 1, wherein: the outer cylinder (32) is in an inverted circular truncated cone shape, the bottom of the outer cylinder (32) is horizontally placed on a pavement (1) to be paved, a cavity is arranged between the outer cylinder (32) and the inner cylinder (31), a filler (4) is buried in the cavity, and the filler (4) is suitable for supporting the outer cylinder (32) and the inner cylinder (31) buried under the compacted pavement (1).

3. A concrete coring device as set forth in claim 2, wherein: the inner side of the outer cylinder (32) is provided with a first connecting groove (321), the outer side of the inner cylinder (31) is provided with a second connecting groove (311), and the filler (4) is suitable for filling the first connecting groove (321) and the second connecting groove (311) respectively.

4. A concrete coring device as set forth in claim 3, wherein: an installation groove (322) is formed in the inner side of the bottom of the outer cylinder (32), and the installation groove (322) is suitable for installing the bottom of the side wall of the inner cylinder (31);

the mounting groove (322) is circular, the section of the mounting groove (322) along the central axis is two symmetrical right-angled triangles, and the right angle of the right-angled triangle is attached to the side wall of the outer cylinder (32).

5. A concrete coring device as set forth in claim 4, wherein: install elastic component (5) between inner tube (31) and urceolus (32), the bottom of the lower extreme laminating urceolus (32) of elastic component (5), the side of elastic component (5) butt respectively the inboard of urceolus (32) and the outside of inner tube (31), the upper end and the filler (4) of elastic component (5) are laminated mutually, elastic component (5) are suitable for keeping apart concrete (2) and trickle out the inboard of inner tube (31).

6. A concrete coring device as set forth in claim 5, wherein: a pull ring (323) is arranged in the first connecting groove (321), the pull ring (323) is fixedly connected with the first connecting groove (321), and the pull ring (323) is suitable for being embedded into a filler (4).

7. A concrete coring device as set forth in claim 6, wherein: the damping layer (6) is arranged on the surface of the outer barrel (32), the core taking component (3) is fixedly connected with the damping layer (6), and the damping layer (6) is made of damping materials.

8. A concrete coring device as set forth in claim 7, wherein: the inner cylinder (31) surface is provided with blind hole (7), be provided with the multiunit in blind hole (7), the multiunit blind hole (7) are along circumference parallel arrangement.