CN218666897U

CN218666897U - Prestress wire for building

Info

Publication number: CN218666897U
Application number: CN202223081769.XU
Authority: CN
Inventors: 徐德贵; 章兆俭
Original assignee: Anhui Litong Rare Earth Steel Cable Co ltd
Current assignee: Anhui Litong Rare Earth Steel Cable Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-21
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a prestressing force steel strand wires for building, including a steel strand wires and No. two steel strand wires, the outside cover of a steel strand wires is equipped with the abrasionproof and decreases the cover, the lateral wall that the abrasionproof decreases the cover is provided with trapezoidal offset plate No. one, one side of trapezoidal offset plate is provided with trapezoidal offset plate No. two. The utility model discloses, establish the abrasionproof and decrease the cover through the cover in a steel strand wires outside, evenly set up a plurality of trapezoidal offset plates at abrasionproof cover lateral wall again, evenly set up a plurality of trapezoidal offset plates in the outside of a plurality of trapezoidal offset plates No. two again, later insert a plurality of trapezoidal offset plates and a plurality of the inside of No. two trapezoidal offset plates to a plurality of No. two steel strand wires, then establish rubber sheath at a plurality of trapezoidal offset plate outside covers No. two, and then can separate a steel strand wires and a plurality of No. two steel strand wires, thereby prevent to take place the friction between a steel strand wires and a plurality of No. two steel strand wires, prevent to appear quality problems in a steel strand wires and a plurality of No. two steel strand wires.

Description

Prestress wire for building

Technical Field

The utility model relates to a steel strand wires technical field specifically is a prestressing force steel strand wires for building.

Background

The steel strand is a steel product formed by twisting a plurality of steel wires, a zinc-aluminum alloy layer, an aluminum-coated layer, a copper-coated layer, epoxy resin and the like can be added on the surface of carbon steel according to needs, wherein the steel strand is a steel product formed by twisting a plurality of steel wires, the steel strand is divided into prestressed steel strands, unbonded steel strands, galvanized steel strands and the like, the most commonly used steel strands are the galvanized steel strands and the prestressed steel strands, the prestressed steel strands are one of important materials of a prestressed structure, the corrosion resistance of the prestressed steel strands directly influences the engineering quality, and the image that a bridge is a body and a wire is a string describes that the prestressed steel strands play an important role in the construction of modern bridges and highways.

In the prior art, for example, chinese patent numbers are: CN214271464U "a building prestressed steel strand bundle" includes core, interior steel strand layer, outer steel strand layer, interior steel strand layer by stranded steel wire intertwist each other and twine outside the core, outer steel strand layer by stranded steel wire intertwist and twine outside the interior steel strand layer, the steel wire direction of twisting of inner steel strand layer is opposite with the steel wire direction of twisting of outer steel strand layer. The device is compact in structure and convenient to use, the bond stress of the steel wire which is spirally wound on the outermost layer and the concrete can be increased, the device is more suitable for being gripped by an anchorage device, and the whole steel strand bundle is compact in structure, not easy to loosen in use, high in strength and good in relaxation performance through two layers of steel strands which are twisted in opposite directions.

In the prior art, most of prestressed steel strands are basically stranded directly into prestressed steel strands in order to improve the production efficiency, and the directly stranded prestressed steel strands do not have corrosion resistance, so that the prestressed steel strands are easy to corrode, the service life of the steel strands can be influenced, and the quality of the prestressed steel strands can be reduced due to friction among the plurality of prestressed steel strands.

In view of the above, research and improvement are made on the existing structure and defects, and a prestressed steel strand for buildings is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prestressing force steel strand for building to in solving the prior art that above-mentioned background art provided, most prestressing force steel strand wires are for improving production efficiency, adopt directly to twisting into prestressing force steel strand wires basically, and because the prestressing force steel strand wires that directly twists do not itself have corrosion resisting property, consequently can influence steel strand wires's life, and because there is the friction between a plurality of prestressing force steel strand wires, consequently can reduce the problem of a plurality of prestressing force steel strand wires's quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prestressing force steel strand for building, includes a steel strand wires and No. two steel strand wires, the outside cover of a steel strand wires is equipped with the abrasionproof and decreases the cover, the lateral wall that the abrasionproof decreases the cover is provided with trapezoidal offset plate No. one, one side of trapezoidal offset plate is provided with trapezoidal offset plate No. two, the inside of trapezoidal offset plate and trapezoidal offset plate No. two all is filled there is aramid fiber short fiber and fills the silicone grease.

Preferably, one side of No. two trapezoidal offset plates is provided with the rubber sheath, the inside wall of rubber sheath is paintd with the epoxy layer.

Preferably, a plurality of trapezoidal offset plates evenly distributed is at the abrasionproof cover.

Preferably, a plurality of No. two trapezoidal offset plates evenly set up a plurality of No. one the lateral wall of trapezoidal offset plate.

Preferably, a plurality of trapezoidal offset plates and a plurality of trapezoidal offset plate one side of No. two all run through and have seted up and place the hole.

Preferably, the second steel strands are arranged inside the placing holes respectively, and the outer side walls of the second steel strands are in contact with the inner side walls of the placing holes.

Preferably, the outer side walls of the second trapezoidal rubber plates are in contact with the inner side wall of the rubber sheath.

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

the utility model discloses in, establish the abrasionproof cover through overlapping in a steel strand wires outside, evenly set up a plurality of trapezoidal offset plates at abrasionproof cover lateral wall again, evenly set up a plurality of trapezoidal offset plates in the outside of a plurality of trapezoidal offset plates again, later insert the inside of a plurality of trapezoidal offset plates and a plurality of trapezoidal offset plates to a plurality of steel strand wires No. two, then establish the rubber sheath at a plurality of trapezoidal offset plate outside covers No. two, and then can separate a steel strand wire and a plurality of steel strand wires No. two, thereby prevent to take place the friction between a steel strand wire and a plurality of steel strand wires, in order to prevent that quality problems from appearing in a steel strand wire and a plurality of steel strand wires, and simultaneously, through being provided with the aramid fiber short fiber packing silicone grease in a plurality of trapezoidal offset plates and a plurality of trapezoidal offset plates No. two, thereby can make No. two steel strand wires and a steel strand wires have anticorrosive nature, and then can not cause the life influence of No. two steel strand wires and a steel strand wires.

Drawings

Fig. 1 is a perspective view of a prestressed steel strand for construction of the present invention;

fig. 2 is a front half-sectional view of a prestressed steel strand for a building of the present invention;

fig. 3 is a schematic view of a part of the structure of a prestressed steel strand for buildings according to the present invention;

fig. 4 is the utility model relates to a local structure schematic diagram of prestressing force steel strand for building.

In the figure:

1. a rubber sheath; 2. a first steel strand; 3. an anti-abrasion sleeve; 4. a first trapezoidal rubber plate; 5. a second trapezoidal rubber plate; 6. a second steel strand; 7. filling aramid short fibers with silicone grease; 8. placing the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to FIGS. 1-4: the utility model provides a prestressing force steel strand wires for building, including a steel strand wires 2 and No. two steel strand wires 6, the outside cover of a steel strand wires 2 is equipped with abrasionproof and decreases cover 3, the lateral wall that abrasionproof decreases cover 3 is provided with trapezoidal offset plate 4 No. one, one side of trapezoidal offset plate 4 is provided with trapezoidal offset plate 5 No. two, a plurality of trapezoidal offset plate 4 evenly distributed decreases cover 3 at the abrasionproof, a plurality of trapezoidal offset plate 5 evenly set up the lateral wall at a plurality of trapezoidal offset plates 4 No. two, a plurality of trapezoidal offset plates 4 and one side of a plurality of trapezoidal offset plates 5 all run through and have seted up and place hole 8, a plurality of No. two steel strand wires 6 set up respectively in a plurality of inside of placing hole 8, no. two steel strand wires 6's lateral wall contacts with placing hole 8 inside walls.

The effect that it reached does, establish abrasionproof cover 3 through the cover in 2 outside of steel strand wires, evenly set up a plurality of trapezoidal offset plates 4 at abrasionproof cover 3 lateral walls, evenly set up a plurality of trapezoidal offset plates 5 in a plurality of trapezoidal offset plates 4's the outside again, later in inserting a plurality of steel strand wires 6 a plurality of trapezoidal offset plates and 4 a plurality of trapezoidal offset plates 5's inside No. two, then establish rubber sheath at a plurality of trapezoidal offset plates 5 outside cover, and then can separate a steel strand wires 2 and a plurality of steel strand wires 6, thereby prevent to take place the friction between a steel strand wires 2 and a plurality of steel strand wires 6, in order to prevent that quality problems from appearing in a steel strand wires 2 and a plurality of steel strand wires 6, wherein, a plurality of trapezoidal offset plates 4 are the lateral wall that evenly bonds on abrasionproof cover 3, and a plurality of trapezoidal offset plates 5 are the lateral wall that evenly bonds at a plurality of trapezoidal offset plates 4.

As shown in fig. 1 and 2, aramid short fiber filling silicone grease 7 is filled in the first trapezoidal rubber plate 4 and the second trapezoidal rubber plate 5, a rubber sheath 1 is arranged on one side of the second trapezoidal rubber plate 5, an epoxy resin layer is coated on the inner side wall of the rubber sheath 1, and the outer side walls of the second trapezoidal rubber plates 5 are in contact with the inner side wall of the rubber sheath 1.

The effect that it reached does, through being provided with aramid fiber short fiber packing silicone grease 7 in a plurality of trapezoidal offset plates 4 and a plurality of trapezoidal offset plates 5 inside No. two, thereby can make No. two steel strand wires 6 and a steel strand wires 2 have the corrosivity, and then can not cause the influence to the life of No. two steel strand wires 6 and a steel strand wires 2, and set up the epoxy layer through the inside wall at rubber sleeve 1, can reduce the wearing and tearing of No. two steel strand wires 6 and a steel strand wires 2 and external equipment, prolong the life of No. two steel strand wires 6 and a steel strand wires 2, wherein, rubber sheath 1 is the lateral wall of establishing at a plurality of trapezoidal offset plates 5 is established to the cover.

The utility model discloses a theory of operation: when in use, firstly, the aramid short fiber filling silicone grease 7 is arranged inside the first trapezoidal rubber plates 4 and the second trapezoidal rubber plates 5, so that the second steel strand 6 and the first steel strand 2 have corrosion resistance, the service lives of the second steel strand 6 and the first steel strand 2 are not affected, the abrasion between the second steel strand 6 and the first steel strand 2 and external equipment can be reduced by arranging the epoxy resin layer on the inner side wall of the rubber sleeve 1, the service lives of the second steel strand 6 and the first steel strand 2 are prolonged, finally, the abrasion-proof sleeve 3 is sleeved outside the first steel strand 2, and the first trapezoidal rubber plates 4 are uniformly adhered on the outer side wall of the abrasion-proof sleeve 3, evenly adhere a plurality of trapezoidal offset plates 5 No. two in the outside of a plurality of trapezoidal offset plates 4, later insert a plurality of trapezoidal offset plates and 4 trapezoidal offset plates 5's inside No. two to a plurality of steel strand wires 6, make the lateral wall of a plurality of steel strand wires 6 contact with a plurality of inside walls of placing hole 8 respectively, then establish rubber sheath at the 5 outside covers of a plurality of trapezoidal offset plates No. two, and then can separate a steel strand wire 2 and a plurality of steel strand wires 6, thereby prevent to take place the friction between a steel strand wire 2 and a plurality of steel strand wires 6, prevent to appear quality problems in a steel strand wire 2 and a plurality of steel strand wires 6.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prestressing force steel strand for building, includes a steel strand (2) and No. two steel strand (6), its characterized in that: the outside cover of a steel strand wires (2) is equipped with abrasionproof and decreases cover (3), the lateral wall that abrasionproof decreases cover (3) is provided with trapezoidal offset plate (4) No. one, one side of trapezoidal offset plate (4) is provided with trapezoidal offset plate (5) No. two, the inside of trapezoidal offset plate (4) and trapezoidal offset plate (5) all is filled aramid fiber short fiber and is filled silicone grease (7).

2. The pre-stressed steel strand for building as claimed in claim 1, wherein: one side of No. two trapezoidal offset plates (5) is provided with rubber sheath (1), the inside wall of rubber sheath (1) is paintd with the epoxy layer.

3. The prestressed steel strand for buildings according to claim 1, wherein: a plurality of trapezoidal offset plates (4) evenly distributed are in abrasionproof decreases cover (3).

4. The pre-stressed steel strand for building as claimed in claim 3, wherein: the second trapezoidal rubber plates (5) are uniformly arranged on the outer side walls of the first trapezoidal rubber plates (4).

5. The pre-stressed steel strand for building as claimed in claim 4, wherein: a plurality of trapezoidal offset plate (4) and a plurality of one side of No. two trapezoidal offset plate (5) all run through and have seted up and place hole (8).

6. The prestressed steel strand for buildings according to claim 5, wherein: the second steel strands (6) are arranged inside the placing holes (8) respectively, and the outer side walls of the second steel strands (6) are in contact with the inner side walls of the placing holes (8).

7. The pre-stressed steel strand for building as claimed in claim 2, wherein: the outer side walls of the second trapezoidal rubber plates (5) are in contact with the inner side wall of the rubber sheath (1).