Pile head reinforcing sleeve

Abstract

The utility model relates to a pile head reinforcing steel bar protection sleeve, which comprises: a protective film sleeved on the head of the pile head reinforcing steel bar, which is tightly attached to the surface of the pile head reinforcing steel bar; and a protective shell detachably sleeved on the outer side of the protective film to further improve the tightness of the attachment between the protective film and the pile head reinforcing steel bar.

Description

Technical Field

[0001] This utility model relates to a protective sleeve for pile head reinforcement, and more particularly to a protective sleeve for pile head reinforcement. Background Technology

[0002] On construction sites, the common methods for breaking up cast-in-place pile heads are circumferential cutting and blasting. However, the circumferential cutting process can damage the reinforcing steel, while the blasting process can cause the steel to twist and deform. Therefore, a protective sleeve is needed to protect the pile head reinforcing steel. Currently, PVC pipes and protective sleeve devices composed of PVC pipes are the most common types of protective sleeves for pile head reinforcing steel. These protective sleeves have a certain support and protection capacity and are relatively economical, making them widely used. However, although single PVC pipe protective sleeves are simple to operate, their airtightness is poor, and they cannot effectively fix the pile head reinforcing steel, often resulting in them falling off. Furthermore, PVC pipes have poor resistance to damage during pile head breaking, often leading to the PVC protective sleeve failing and becoming ineffective before the reinforcing steel is even broken out, thus greatly limiting their protective function. While other combined devices solve the problems of insecure fixation and susceptibility to damage, the devices are complex to install and cannot be reused. Utility Model Content

[0003] This utility model provides a protective sleeve for pile head reinforcement. The protective film is tightly attached to the outside of the pile head reinforcement, and a protective shell is also provided outside the protective film to further enhance the tightness of the fit between the protective film and the pile head reinforcement. It has good airtightness and is not easy to fall off. The protective shell is also detachable and convenient for reuse.

[0004] This utility model discloses a protective sleeve for pile head reinforcement, comprising a protective film fitted onto the head of the pile head reinforcement, the protective film being tightly adhered to the surface of the pile head reinforcement; and a protective shell detachably fitted onto the outside of the protective film to further improve the tightness of the fit between the protective film and the pile head reinforcement.

[0005] A further improvement of this invention is that the protective film is a bubble film.

[0006] A further improvement of this utility model is that the protective shell is ring-shaped and is composed of a pair of semi-circular magnetic rings with a semi-circular cross-section that attract each other.

[0007] A further improvement of this invention is that the pair of semicircular magnet rings are made of aluminum cobalt nickel magnets.

[0008] A further improvement of this invention is that a corrosion-resistant layer is coated on the outer side of the protective shell.

[0009] This utility model provides a protective sleeve for pile head reinforcement. The protective film is tightly attached to the outside of the pile head reinforcement, and a protective shell is also provided outside the protective film to further enhance the tightness of the fit between the protective film and the pile head reinforcement. It has good airtightness and is not easy to fall off. The protective shell is detachable and convenient for reuse. By setting the protective film and protective shell, the protection of the pile head reinforcement is improved. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] In the diagram: 1. Pile head reinforcement; 2. Protective membrane; 3. Protective shell. Detailed Implementation

[0012] like Figure 1 As shown, a protective sleeve for pile head reinforcement includes: a protective film 2 fitted onto the head of pile head reinforcement 1, the protective film 2 being tightly attached to the surface of pile head reinforcement 1; and a protective shell 3 detachably fitted onto the outside of the protective film 2 to further improve the tightness of the fit between the protective film 2 and pile head reinforcement 1.

[0013] like Figure 1 As shown, the protective film 2 is a bubble film. By using the bubble film, the shock absorption performance of the protective film 2 is further enhanced. The bubbles in the bubble film can effectively absorb and disperse external impact forces. Secondly, the bubble film has a certain moisture-proof and airtight capability, which can isolate the concrete and slurry from the outside.

[0014] like Figure 1 As shown, the protective shell 3 is ring-shaped and is composed of a pair of semi-circular magnetic rings with a semi-circular cross-section that attract each other. The protective shell 3 is formed by the mutual attraction of a pair of semi-circular magnetic rings with a semi-circular cross-section, which makes the installation and disassembly of the protective shell 3 more convenient.

[0015] like Figure 1 As shown, in this embodiment, the length of the protective film 2 is greater than that of the protective shell 3, ensuring that concrete and mud will not penetrate into the protective shell 3.

[0016] In this embodiment, preferably, the pair of semi-circular magnetic rings are made of aluminum cobalt nickel magnets. Aluminum cobalt nickel magnets are corrosion resistant and have high strength, which can prevent external corrosion and protect the internal pile head reinforcement 1. Although the magnetic force of aluminum cobalt nickel magnets is moderate, with a magnetic energy product of about 5-10 MGOe, and the isolation effect of the protective film 2 will weaken the magnetic force of the magnetic rings to some extent, according to the magnetic field distribution of C-type magnets, the magnetic field is strongest at its opening. When the iron part is located between the two C-type magnets, the magnetic fields of the two magnets will act on the iron part together, forming the superposition of the two maximum magnetic forces of magnetism and magnetism and iron. Therefore, the protective film 2 has little effect on the magnetic force of the magnetic rings. When the protective film 2 is compressed tightly, it can reduce the distance between the magnetic rings and the pile head reinforcement 1, thereby further increasing the magnetic force, and also increase the airtightness of the protective film 2, thereby further preventing concrete from entering the protection.

[0017] In another embodiment, preferably, in order to provide corrosion resistance to the protective shell 3, a corrosion-resistant layer is coated on the outer side of the protective shell 3.

[0018] Preferably, the outer surface of the protective shell 3 is smooth and coated with a release agent, so that after the protective shell 3 is removed, the concrete on the outside of the protective shell 3 can be cleaned up for reuse.

[0019] In use, the protective film 2 is first placed over the head of the pile head steel bar 1, and the air between the protective film 2 and the pile head steel bar 1 is extracted as much as possible to ensure a tight fit between the two and prevent mud or concrete from entering the protective film 2. After the protective film 2 is installed, a pair of semi-circular magnetic rings are installed on the outside of the protective film 2 to form a protective shell 3. After removal, the protective shell 3 is isolated by the protective film 2, and the pair of semi-circular magnetic rings can be directly peeled off the pile head steel bar 1. The concrete on the outside of the protective shell 3 can also be directly chiseled away because the outer surface of the protective shell 3 is smooth and coated with a release agent, thus completing the removal and reuse of the protective shell 3.

[0020] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A protective sleeve for pile head reinforcement, characterized in that, Includes: a protective film fitted onto the head of the pile head reinforcement, the protective film being tightly adhered to the surface of the pile head reinforcement; and a protective shell detachably fitted onto the outside of the protective film to further improve the tightness of the adhesion between the protective film and the pile head reinforcement.

2. The pile head reinforcement protective sleeve as described in claim 1, characterized in that, The protective film is a bubble wrap.

3. The pile head reinforcement protective sleeve as described in claim 1, characterized in that, The protective shell is ring-shaped and consists of a pair of semi-circular magnetic rings with a semi-circular cross-section that attract each other.

4. The pile head reinforcement protective sleeve as described in claim 3, characterized in that, The pair of semicircular magnet rings are made of aluminum cobalt nickel magnets.

5. The pile head reinforcement protective sleeve as described in claim 1, characterized in that, The outer side of the protective shell is coated with a corrosion-resistant layer.

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