CN218405415U

CN218405415U - Anticorrosive anti-floating anchor that excels in

Info

Publication number: CN218405415U
Application number: CN202222436114.3U
Authority: CN
Inventors: 胡娟; 仝为名
Original assignee: Anhui Shente Prestressed Material Co ltd
Current assignee: Anhui Shente Prestressed Material Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-31
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses an anticorrosive anti-floating anchor that excels in belongs to prestressing force anti-floating anchor field, the corrugated pipe comprises a corrugated pipe, the bellows top be equipped with the anchor backing plate, epoxy steel strand wires set up inside the corrugated pipe, anchor backing plate top is equipped with the protection block, bellows central point puts and is equipped with the grout hose, be equipped with epoxy between protection block and the ground tackle clamping piece, the inside multiunit restraint steel ring and the fixed plate that are equipped with of corrugated pipe, epoxy steel strand wires passes restraint steel ring and fixed plate setting in proper order, bellows bottom tip also is equipped with the anchor backing plate, anchor backing plate tip is equipped with the extrusion anchor, the outside guide cone that is equipped with of extrusion anchor, played and transferred the guide effect, carry out sealing connection through the pyrocondensation sleeve pipe between bellows and the anchor backing plate. The utility model discloses increased the anticorrosive effect of stock, through fixed plate and restraint circle, made the steel strand wires have the angle regular arrange and the tip increases the extrusion anchor, increased the steel strand wires and with the bond stress of slurry, improved the intensity of stock.

Description

Anticorrosive anti-floating anchor rod that excels in

Technical Field

The utility model relates to an anti-floating anchor rod field of prestressing force specifically is an anti-floating anchor rod that excels in of anticorrosion.

Background

The anti-floating anchor rod is one of the anti-floating measures for underground structure in building engineering. The anti-floating anchor rod refers to a structural member arranged for resisting upward displacement of a building on the anti-floating anchor rod, and is related to the height and change of underground water level and opposite to the stress direction of the compression-resistant pile. The anti-floating anchor rod is different from a common foundation pile, has unique performance, and is mainly different from the common foundation pile in that: the foundation pile is usually a compression-resistant pile, the pile body bears the building load pressure, the stress is transferred from the pile top to the pile bottom, and the stress of the pile body changes along with the change of the building load; the anti-floating pile bears the pulling force for the anti-pulling pile body, the stress of the common anti-floating pile is also transferred from the pile top to the pile bottom, the stress of the pile body is changed along with the change of the underground water level, but the stress mechanisms of the pile body and the underground water level are just opposite. Anti-floating anchor bar takes basement building can receive the effect of water buoyancy usually, just need to carry out anti-floating design when buoyancy surpasss structure self weight. The anti-floating anchor rod is arranged in the stratum to resist the upper buoyancy force of the underground water to the building.

The existing anti-floating anchor rod has poor anti-corrosion effect, steel strands are vertically arranged in the corrugated pipe, the gripping force between the steel strands and slurry is poor, and the strength of the anchor rod is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem of current production, an object of the utility model is to provide an anticorrosive anti-floating anchor that excels in to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anticorrosive anti-floating anchor that excels in, the corrugated pipe comprises a corrugated pipe, the bellows top be equipped with the anchor backing plate, be equipped with the ground tackle clamping piece on the anchor backing plate on bellows top, ground tackle clamping piece and epoxy steel strand wires one end fixed connection, epoxy steel strand wires set up inside the bellows, anchor backing plate top is equipped with the protection block, bellows central point puts and is equipped with the grout hose, be equipped with epoxy between protection block and the anchor clamping piece, the inside multiunit restraint steel ring and the fixed plate of being equipped with of bellows, epoxy steel strand wires passes restraint steel ring and fixed plate setting in proper order, cement paste is filled to multiunit restraint steel ring and fixed plate, cement paste and epoxy steel strand wires mix together, bellows bottom tip also is equipped with the anchor backing plate, the anchor backing plate tip of bellows bottom is equipped with the extrusion anchor, the extrusion anchor outside is equipped with the guide cone, carry out sealing connection through heat shrinkage bush between the anchor backing plate of bellows and the bellows bottom, be equipped with the extrusion anchor on the anchor backing plate of bellows bottom, extrusion anchor and epoxy steel strand wires other end fixed connection.

As a further aspect of the present invention: the outer wall of the corrugated pipe is provided with spiral ribs.

As a further aspect of the present invention: the grouting hose is arranged among the epoxy steel strands and penetrates through the anchor clamping piece and the corrugated pipe.

As a further aspect of the present invention: the corrugated pipe is a plastic corrugated pipe.

As a further aspect of the present invention: and cement paste is poured outside the corrugated pipe.

Compared with the prior art; the utility model has the advantages that: the utility model discloses a multiple setting of protection block, epoxy and bellows increases the anticorrosive effect of device, adopts epoxy steel strand wires and the dual anticorrosive of bellows. And a protective cap is added outside the anchorage device at the upper end part, and epoxy resin is filled inside the anchorage device to prevent corrosion of the steel strand. Through the setting of multiunit restraint steel ring and fixed plate, improved steel strand wires in the bellows straight-up, the condition that the steel strand wires stirred together has increased the steel strand wires simultaneously and with the bond stress of slurry, improved the intensity of stock. The cement paste guarantees the fixing of device, uses through the cooperation of ground tackle clamping piece and extrusion anchor, guarantees the stable fixed of epoxy steel strand wires, and the holistic intensity of convenient follow-up assurance anti-floating anchor pole, convenient use. The tip adopts toper guider, and toper guider has played the guide effect that the stock was transferred. The tensile strength of the anchor rod is increased by adopting an anchor backing plate and an extrusion anchor at the end part.

Drawings

Fig. 1 is a schematic structural diagram of an anti-corrosion high-strength anti-floating anchor rod.

Fig. 2 is a partially enlarged view of a in the corrosion-resistant high-strength anti-floating anchor rod.

Fig. 3 is a partially enlarged view of B in the corrosion-resistant high-strength anti-floating anchor rod.

Fig. 4 is a partial enlarged view of C in the corrosion-resistant high-strength anti-floating anchor rod.

In the figure: 1. an anchor backing plate; 2. epoxy steel strands; 3. a protective cap; 4. grouting a hose; 5. an anchor clamping piece; 6. an epoxy resin; 7. a spiral rib; 8. a bellows; 9. heat-shrinkable tubing; 10. restraining a steel ring; 11. cleaning cement paste; 12. a fixing plate; 13. cement slurry; 14. extruding the anchor; 15. and (4) a guide cone.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it is to be noted that the terms "mounted", "provided", "connected" and "connected" are to be interpreted broadly unless otherwise explicitly specified and limited; for example, the two elements may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected through a communication path between the two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-4, an anti-corrosion high-strength anti-floating anchor rod comprises a corrugated pipe 8, wherein an anchor backing plate 1 is arranged at the top end of the corrugated pipe 8, an anchor clamping piece 5 is arranged on the anchor backing plate 1 at the top end of the corrugated pipe 8, the anchor clamping piece 5 is fixedly connected with one end of an epoxy steel strand 2, the epoxy steel strand 2 is arranged inside the corrugated pipe 8, a protective cap 3 is arranged above the anchor backing plate 1, a grouting hose 4 is arranged at the center of the corrugated pipe 8, epoxy resin 6 is arranged between the protective cap 3 and the anchor clamping piece 5, the anti-corrosion effect of the device is improved through multiple arrangement of the protective cap 3, the epoxy resin 6 and the corrugated pipe 8, and double anti-corrosion of the epoxy steel strand and the corrugated pipe is adopted. And a protective cap is added outside the anchorage device at the upper end part, and epoxy resin is filled inside the anchorage device to prevent corrosion of the steel strand. The service life of the device is prolonged, and the device is convenient to use.

8 inside multiunit restraint steel rings 10 and the fixed plate 12 of being equipped with of bellows, epoxy steel strand wires 2 pass restraint steel rings 10 and fixed plate 12 setting in proper order, multiunit restraint steel rings 10 and fixed plate 12 fill cement paste 11, cement paste 11 and epoxy steel strand wires 2 are thoughtlessly put together, setting through multiunit restraint steel rings 10 and fixed plate 12, it is straight down in the bellows to have improved steel strand wires, steel strand wires stir the condition together, increased steel strand wires simultaneously and wrapped up in the power with the bond of slurry, the intensity of stock has been improved.

Grout 13 is pour to 8 outsides of bellows, and grout 13 guarantees the fixed of device, makes things convenient for the use of device.

8 bottom tip of bellows also is equipped with

anchor backing plate

1, and 1 tip of anchor backing plate of 8 bottoms of bellows is equipped with

extrusion anchor

14, and 14 outsides of extrusion anchor are equipped with guide cone 15, and guide cone 15 has played and has transferred the guide effect, carries out sealing connection through heat shrinkage bush 9 between anchor backing plate 1 of 8 bottoms of bellows 8 and bellows. The utility model discloses increased the anticorrosive effect of stock, through fixed plate and restraint circle, made the steel strand wires have the angle regular arrange and the tip increases the extrusion anchor, increased the steel strand wires and with the bond stress of slurry, improved the intensity of stock. Extrusion anchor 14 and epoxy steel strand wires 2 other end fixed connection use through the cooperation of ground tackle clamping piece 5 and extrusion anchor 14, guarantee epoxy steel strand wires 2 stable fixed, the holistic intensity of convenient follow-up assurance anti-floating anchor stock, convenient use. The tip adopts the inside epoxy that fills of toper guider, carries out anticorrosive sealed, has improved anticorrosive grade, and toper guider has played the guide effect that the stock was transferred. The tensile strength of the anchor rod is increased by adopting an anchor backing plate and an extrusion anchor at the end part.

The outer wall of the corrugated pipe 8 is provided with the spiral ribs 7, the stability of the corrugated pipe 8 is improved by the spiral ribs 7, the use effect and the service life of the corrugated pipe 8 are improved, and the use of the device is facilitated.

Grouting hose 4 sets up in the middle of multiunit epoxy steel strand wires 2, and grouting hose 4 passes ground tackle clamping piece 5, the setting of bellows 8, and grouting hose 4 makes things convenient for the input of grout 13, does benefit to the holistic intensity of assurance anti-floating anchor pole, increases the safety in utilization of device.

The corrugated pipe 8 is made of high-strength plastic materials, and the use safety of the device is guaranteed.

The steel strand wires are arranged inside the corrugated pipes, the corrugated pipes are arranged outside the steel strand wires, the steel strand wires are penetrated into the plastic corrugated pipes in a prefabricated factory, the middle steel strand wires are restrained and fixed, the steel strand wires at the end parts are provided with extrusion anchors and filled with resin, and the joints of the corrugated pipes are sealed. And simultaneously, the grouting hose penetrates from the middle of the steel strand to the end part. The upper anchor backing plate and the anchor clamping piece are installed on the construction site and tensioned. And grouting through a hose after tensioning is finished, and performing cap protection and plugging after grouting is finished.

The utility model discloses a theory of operation is: the utility model discloses a protection block 3, epoxy 6 and bellows 8's multiple setting increases the anticorrosive effect of device, adopts epoxy steel strand wires and bellows dual corrosion-resistant. And a protective cap is added outside the anchorage device at the upper end part, and epoxy resin is filled inside the anchorage device to prevent corrosion of the steel strand. Through the setting of multiunit restraint steel ring 10 and fixed plate 12, improved steel strand wires and directly gone up directly down in the bellows, the condition that the steel strand wires stirred together has increased the steel strand wires simultaneously and has wrapped up in the power with the slurry, has improved the intensity of stock. The cement paste 13 guarantees the fixation of the device, and the stable fixation of the epoxy steel stranded wire 2 is guaranteed through the matching use of the anchor clamping piece 5 and the extrusion anchor 14, so that the overall strength of the anti-floating anchor rod is conveniently guaranteed, and the use is convenient. The tip adopts the inside epoxy that fills of toper guider, carries out anticorrosive sealed, has improved anticorrosive grade, and toper guider has played the guide effect that the stock was transferred. The tensile strength of the anchor rod is increased by adopting the anchor backing plate and the extrusion anchor at the end part.

The stability of bellows 8 is increased to spiral muscle 7, improves the effect and the life-span of the use of bellows 8, and grout hose 4 makes things convenient for the input of grout 13, does benefit to the holistic intensity of assurance anti-floating anchor pole, increases the safety in utilization of device.

To those skilled in the art; it is obvious that the invention is not restricted to the details of the above-described exemplary embodiments; but also without departing from the spirit or essential characteristics of the invention; the present invention can be embodied in other specific forms. Thus; from whatever point; the embodiments should be considered exemplary; and is not limiting; the scope of the invention is defined by the appended claims rather than the foregoing description; all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore; it should be understood that; although the present description has been described in terms of embodiments; but not every embodiment contains only a single solution; this manner of description is by way of clarity only; the person skilled in the art will consider the description as a whole; the technical schemes in the embodiments can also be combined appropriately; forming other embodiments as will be appreciated by those skilled in the art.

Claims

1. The anti-corrosion high-strength anti-floating anchor rod is characterized by comprising a corrugated pipe (8), wherein an anchor backing plate (1) is arranged at the top end of the corrugated pipe (8), an anchor clamping piece (5) is arranged on the anchor backing plate (1) at the top end of the corrugated pipe (8), the anchor clamping piece (5) is fixedly connected with one end of an epoxy steel strand (2), the epoxy steel strand (2) is arranged inside the corrugated pipe (8), a protective cap (3) is arranged above the anchor backing plate (1), a grouting hose (4) is arranged at the central position of the corrugated pipe (8), epoxy resin (6) is arranged between the protective cap (3) and the anchor clamping piece (5), a plurality of groups of constraint steel rings (10) and fixing plates (12) are arranged inside the corrugated pipe (8), the epoxy steel strand (2) sequentially penetrates through the constraint steel rings (10) and the fixing plates (12), cement paste (11) is filled in the groups of the constraint steel rings (10) and the fixing plates (12), the cement paste (11) and the epoxy steel strand (2) are mixed together, the bottom end part of the corrugated pipe (8) is also provided with an anchor backing plate (14), and an anchor sleeve (9) is connected with an anchor sleeve pipe (9) through a heat shrinkable sleeve, an extrusion anchor (14) is arranged on the anchor backing plate (1) at the bottom end of the corrugated pipe (8), and the extrusion anchor (14) is fixedly connected with the other end of the epoxy steel strand (2).

2. The anti-corrosion high-strength anti-floating anchor rod according to claim 1, wherein the outer wall of the corrugated pipe (8) is provided with spiral ribs (7).

3. The anti-corrosion high-strength anti-floating anchor rod according to claim 2, wherein the grouting hose (4) is arranged among the plurality of groups of epoxy steel strands (2), and the grouting hose (4) penetrates through the anchor clamping piece (5) and the corrugated pipe (8).

4. The anti-corrosion high-strength anti-floating anchor rod as claimed in claim 3, wherein the corrugated pipe (8) is a plastic corrugated pipe.

5. An anticorrosion high-strength anti-floating anchor rod according to claim 4, characterized in that cement slurry (13) is poured outside the corrugated pipe (8).