CN211923242U

CN211923242U - Corrugated pipe grouting sleeve for assembly type building

Info

Publication number: CN211923242U
Application number: CN202020487627.5U
Authority: CN
Inventors: 王明杨; 梁绍辉
Original assignee: Chongqing Qifu Machinery Co Ltd
Current assignee: Chongqing Qifu Machinery Co Ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-13
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to the technical field of corrugated pipes, in particular to a corrugated pipe grouting sleeve for an assembly type building, which comprises a corrugated pipe sleeve main body, wherein the inner wall and the outer wall of the corrugated pipe sleeve main body are both in a regular corrugated shape; a grouting opening pipe and a grout outlet pipe are respectively arranged on the side walls close to the two end parts of the corrugated pipe sleeve main body, and the grout outlet pipe and the grouting opening pipe are both communicated with the interior of the corrugated pipe sleeve main body; the corrugated pipe grouting sleeve main body sequentially comprises a protective layer, an asphalt resin mixture coating, a chromium-plated anti-corrosion layer, a metal layer, an asbestos asphalt mixture layer and a lining anti-corrosion layer from outside to inside. The utility model discloses on current corrugated pipe sleeve's basis, wrap up the one deck protective layer outside corrugated pipe sleeve, can prevent that corrugated metal pipe sleeve from receiving the purpose of external damage.

Description

Corrugated pipe grouting sleeve for assembly type building

Technical Field

The utility model relates to a bellows technical field especially relates to an assembly type corrugated pipe grout sleeve for building.

Background

The development of the assembly type building is a policy which is mainly supported in recent years in China, the energy is saved, the pollution to the environment is reduced, and the production quality and the safety level are greatly improved. The prefabricated building is widely applied in Germany, most of the houses in the countries adopt the structures of shear walls, concrete and laminated slabs, and the durability is good because the concrete structure is matched with the PC component in a prefabricated way. The residential structure also takes a concrete assembly type as a main part, so that the construction cost is reduced, and the construction operability is improved. China has a series of guidelines and policies in recent years, and our country is also in vigorous development of fabricated buildings, which indicates that the development of the building industry needs to be upgraded. Although still in the beginning, through the continuous progress and improvement of technology and level, the development prospect of the assembly type building is certainly good. The grouting sleeve is a common reinforcing steel bar connection mode recommended by the assembly type building standard in China at present. The grouting sleeve has mature technology and wide application range, the connection technology forms rigid nodes at the connection parts, and the node structure has the stress performance similar to that of a cast-in-place node and is suitable for connecting large-diameter steel bars. The mode that its main adoption is bellows grout sleeve, and current bellows grout sleeve leads to the surface to rust scheduling problem because of installation service environment receives the corruption extremely easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bellows grout sleeve for assembly type structure to solve above-mentioned problem.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the corrugated pipe grouting sleeve for the fabricated building comprises a corrugated pipe sleeve main body, wherein the inner wall and the outer wall of the corrugated pipe sleeve main body are both in a regular corrugated shape; a grouting opening pipe and a grout outlet pipe are respectively arranged on the side walls close to the two end parts of the corrugated pipe sleeve main body, and the grout outlet pipe and the grouting opening pipe are both communicated with the interior of the corrugated pipe sleeve main body; the corrugated pipe sleeve body sequentially comprises a protective layer, an asphalt resin mixture coating, a chromium-plated anti-corrosion layer, a metal layer, an asbestos asphalt mixture layer and a lining anti-corrosion layer from outside to inside.

Preferably, the protective layer is a rubber protective layer.

Preferably, the lining anticorrosive layer is made of epoxy coal tar pitch heavy-duty anticorrosive paint.

Preferably, the outer side of the asphalt resin mixture coating is attached to the inner side of the protective layer.

Preferably, the outer side of the chrome-plated anti-corrosion layer is attached to the inner side of the asphalt resin mixture coating.

Preferably, the inner side of the chromium-plated anti-corrosion layer is attached to the outer wall of the metal layer, and the outer side of the asbestos-asphalt mixture layer is attached to the inner wall of the metal layer.

Preferably, the outer side of the lining anti-corrosion layer is attached to the inner side of the asbestos-asphalt mixture layer.

Preferably, the metal layer is a stainless steel tube layer.

Compared with the prior art, the corrugated pipe grouting sleeve for the fabricated building has the following technical effects:

the utility model wraps a protective layer outside the corrugated pipe sleeve on the basis of the existing corrugated pipe sleeve, which can prevent the metal corrugated pipe sleeve from being damaged by the outside; utilize anticorrosive combined material coating interval of multilayer to set up, the inside lining anticorrosive coating that the heavy anticorrosive coating of cooperation epoxy coal pitch supported has increased the telescopic corrosion resisting property of corrugated metal pipe, avoids appearing because pipeline inner structure receives the corruption destruction and spreads to the outer structure layer, has prolonged life.

Drawings

Fig. 1 is a schematic structural view of the corrugated pipe grouting sleeve for an assembly type building of the present invention;

fig. 2 is an enlarged schematic view of a in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower, front, rear, left, right" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself. The fixed connection in this embodiment may be understood as being fixed by welding, or may be fixed by bolts or screws.

as shown in fig. 1-2, disclosed is a corrugated pipe grouting sleeve for prefabricated buildings, which comprises a corrugated pipe sleeve body 1, wherein the inner wall and the outer wall of the corrugated pipe sleeve body 1 are both in a regular corrugated shape; a grouting opening pipe 2 and a grout outlet pipe 3 are respectively arranged on the side walls close to the two end parts of the corrugated pipe sleeve main body 1, and the grout outlet pipe 3 and the grouting opening pipe 2 are both communicated with the inside of the corrugated pipe sleeve main body 1; the corrugated pipe sleeve main body 1 sequentially comprises a protective layer 11, an asphalt resin mixture coating 12, a chromium plating anti-corrosion layer 13, a metal layer 14, an asbestos asphalt mixture layer 15 and a lining anti-corrosion layer 16 from outside to inside, wherein the metal layer 14 is formed by rolling a welded stainless steel pipe with the wall thickness of 2mm, and the corrugated shape can be a continuous circular arc (type I) or a circular arc plus straight line (type II). The corrugated pipe grouting sleeve is formed by rolling a welded stainless steel pipe with the wall thickness of 2mm, ensures the rigidity of the corrugated pipe sleeve main body 1, and is not easy to deform, thereby providing the corrugated pipe grouting sleeve with higher rigidity, quicker installation and more accurate positioning.

Here, a grouting opening and a grout outlet may be formed on the side wall of the bellows sleeve body near the two end portions, and steel pipes with suitable diameters are selected as the grouting opening pipe and the grout outlet pipe to be welded on the grouting opening and the grout outlet respectively, so that grouting material may enter the bellows sleeve body through the grouting opening pipe and be discharged from the bellows sleeve body through the grout outlet pipe, in a preferred embodiment of the present invention, the grouting opening and the grout outlet pipe are made of steel pipes, copper pipes, aluminum pipes, etc., two steel bars to be connected are inserted from the end portions of the bellows sleeve body, a high-strength grouting material is injected from one end of the grouting opening, and the grouting material has a property of no shrinkage and micro expansion, so that the steel bars and the bellows sleeve body are tightly combined into a whole after the grouting material is hardened, and due to the property of the grouting material, the compactness inside of the bellows sleeve body is ensured, under the constraint of the sleeve body of the corrugated pipe, the steel bars are also firmly bonded, so that the connection mode has high tensile and compressive resistance and connection reliability.

In this embodiment, the protective layer 11 is a rubber protective layer. In order to guarantee that the corrugated pipe sleeve is not damaged by the external world, for example wearing and tearing, receive collision etc. there is one deck protective layer in corrugated pipe sleeve still parcel outward, this protective layer can keep apart corrugated pipe sleeve and external world, can prevent that corrugated pipe sleeve from receiving the purpose of external damage, and the protective layer of rubber material is not only wear-resisting, can also anticollision, reduces external impact to the corrugated pipe sleeve, increases corrugated pipe sleeve's life.

In this embodiment, the lining anticorrosive coating 16 is made of epoxy coal tar pitch heavy-duty anticorrosive paint.

In this embodiment, the top of the asphalt resin mixture coating layer 12 is attached to the bottom of the protective layer 11.

In this embodiment, the top of the chrome-plated corrosion-resistant layer 13 is attached to the bottom of the asphalt resin mixture coating 12.

In this embodiment, the bottom of the chrome-plated anti-corrosion layer 13 is attached to the outer wall of the metal layer 14, and the top of the asbestos-asphalt mixture layer 15 is attached to the inner wall of the metal layer 14.

In this embodiment, the top of the lining anticorrosive layer 16 is attached to the bottom of the asbestos-asphalt mixture layer 15.

In this embodiment, the metal layer 14 is a stainless steel pipe layer.

The principle of the utility model is as follows: when the anti-corrosion pipeline is used, the multilayer anti-corrosion mixed material coatings are arranged at intervals and matched with the lining anti-corrosion layer supported by the epoxy coal tar pitch heavy anti-corrosion coating, so that the anti-corrosion performance of the metal layer is improved, the phenomenon that the internal structure of the pipeline is corroded and damaged and is diffused to the external structure layer is avoided, and the service life is prolonged; if the corrugated pipe sleeve is not required to be connected with a pipeline system, the steel bar is directly inserted into the corrugated pipe sleeve main body through the connecting pipe, and the corrugated pipe sleeve is wrapped with a protective layer, so that the metal corrugated pipe sleeve can be prevented from being damaged by the outside.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.

Claims

1. The corrugated pipe grouting sleeve for the fabricated building is characterized by comprising a corrugated pipe sleeve main body (1), wherein the inner wall and the outer wall of the corrugated pipe sleeve main body (1) are both in a regular corrugated shape; a grouting opening pipe (2) and a grout outlet pipe (3) are respectively arranged on the side walls close to the two end parts of the corrugated pipe sleeve main body (1), and the grout outlet pipe (3) and the grouting opening pipe (2) are communicated with the inside of the corrugated pipe sleeve main body (1); the corrugated pipe sleeve main body (1) sequentially comprises a protective layer (11), an asphalt resin mixture coating (12), a chromium-plated anti-corrosion layer (13), a metal layer (14), an asbestos asphalt mixture layer (15) and a lining anti-corrosion layer (16) from outside to inside.

2. The corrugated pipe grouting sleeve for prefabricated buildings according to claim 1, characterised in that the protective layer (11) is a rubber protective layer.

3. The corrugated pipe grouting sleeve for the fabricated building as claimed in claim 1, wherein the lining anticorrosive coating (16) is made of epoxy coal tar pitch heavy anticorrosive paint.

4. The corrugated pipe grouting sleeve for prefabricated construction as claimed in claim 1, characterised in that the outer side of the asphalt resin mixture coating layer (12) is attached to the inner side of the protective layer (11).

5. The corrugated pipe grouting sleeve for prefabricated buildings according to claim 1, characterised in that the outer side of the chrome-plated corrosion-resistant layer (13) is attached to the inner side of the asphalt resin mixture coating layer (12).

6. The corrugated pipe grouting sleeve for prefabricated buildings according to claim 1, characterised in that the inner side of the chrome-plated corrosion-resistant layer (13) is attached to the outer wall of the metal layer (14), and the outer side of the asbestos-asphalt mixture layer (15) is attached to the inner wall of the metal layer (14).

7. The corrugated pipe grouting sleeve for prefabricated buildings according to claim 1, characterised in that the outer side of the lining corrosion protection layer (16) is attached to the inner side of the asbestos-asphalt mixture layer (15).

8. A fabricated construction corrugated pipe grout sleeve as defined in claim 1, wherein said metal layer (14) is a stainless steel layer.