Pressure type pre-stress anti-floating anchor rod top anchor cable positioning and fixing device

Abstract

The utility model relates to the technical field of building construction, and discloses a pressure type prestress anti-floating anchor rod top anchor cable positioning and fixing device which comprises a steel sleeve and a supporting frame, the supporting frame is fixed outside the steel sleeve, and the supporting frame comprises a plurality of first reinforcing steel bars and second reinforcing steel bars. The tops of the first steel bars are circumferentially fixed to the outer side of the steel sleeve, the bottoms of the first steel bars make contact with the ground, the first steel bars are integrally in a triangular state and used for improving the stability of the supporting frame, and the second steel bars are fixedly connected to the middles of the first steel bars and are horizontally arranged. By using the first steel bars, the second steel bars and the steel sleeves, a stable triangular structure system is formed, the phenomenon of insufficient subsequent tensioning caused by deviation of the top reserved anchor cable is avoided, and the construction efficiency and the construction quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, more specifically, in particular to a pressure type prestressed anti floating anchor rod top anchor cable positioning fixing device. BACKGROUND

[0002] The prestressed anti floating anchor rod is a kind of building structure support system, with its unique anti floating effect, it plays an important role in the field of construction, by pre-internal pressure, make its internal stress state reach the expected balance state, like this, in the case of groundwater level rise or soil loss, anchor rod can keep stability, effectively prevent building from tilting, to ensure the safety and stability of structure.But, top anchor cable after grouting is completed, if not timely positioning and fixing, there is pile position deviation and anchor cable is too dispersed, there is the hidden trouble of insufficient post-tensioning.

[0003] At present, construction site for the grouting completion top anchor rod (anchor cable) fixed positioning, generally adopt square wood fixed, due to the reserved anchor cable reserved length needs to consider raft thickness and jack stroke length requirement, the reserved length is basically more than 1m.This method is not stable enough, is easily damaged, before grouting paste final setting, there is the risk of deviation, affects the post-tensioning effect. UTILITARIAN CONTENT

[0004] The utility model aims at providing a pressure type prestressed anti floating anchor rod top anchor cable positioning fixing device to solve the problems existing in prior art, by using first reinforcing steel and second reinforcing steel and steel sleeve, form stable triangle structure system, avoid top reserved anchor cable deviation, lead to subsequent tensioning insufficient phenomenon, improve construction efficiency and construction quality.

[0005] To achieve the above object, the utility model provides the following scheme: the utility model provides a pressure type prestressed anti floating anchor rod top anchor cable positioning fixing device, it includes: steel sleeve and support frame, the steel sleeve is fixed with the support frame outside, the support frame includes a plurality of first reinforcing steel and second reinforcing steel, a plurality of the first reinforcing steel top is fixed on the outside of the steel sleeve, the first reinforcing steel bottom is in contact with ground, the first reinforcing steel is in whole triangle state, for improving the stability of the support frame, the first reinforcing steel middle part is fixedly connected with the second reinforcing steel, and the second reinforcing steel is horizontally arranged.

[0006] According to the pressure type prestressed anti floating anchor rod top anchor cable positioning fixing device provided by the utility model, the first reinforcing steel includes welding section, connecting section and fixed section, the welding section is welded with the steel sleeve, the welding section below is the connecting section, the connecting section bottom end is fixedly connected with the second reinforcing steel, and the connecting section below is the fixed section, and the fixed section is fixedly connected with ground.

[0007] According to the pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device, the first bending part is arranged between the welding section and the connecting section, the first bending part makes the lower end of the connecting section in the form of outward diffusion, and the lower end of the connecting section forms a 75° included angle with the horizontal plane.

[0008] According to the pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device, the second bending part is arranged between the connecting section and the fixed section, the second bending part makes the lower end of the fixed section in the form of outward diffusion, and the lower end of the fixed section forms a 60° included angle with the horizontal plane.

[0009] According to the pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device, the steel sleeve is inserted with the extrusion block, and the extrusion block is located at the center position of the steel strand.

[0010] According to the pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device, the first steel bar is provided with three, and the second steel bar is provided with three.

[0011] The utility model discloses the following technical effects:

[0012] Before the initial setting of the grouting slurry material, the support frame is supported on the top surface of the pile top, and then the prestressed anchor cable is positioned and fixed by passing through the steel sleeve, and before the final setting of the slurry material, the pile position is avoided to deviate, and the construction quality is ensured; the support frame and the steel sleeve are integrally formed by welding, so that the stability is ensured, and the support frame and the steel sleeve are not easy to be damaged by external force; the first steel bar, the second steel bar and the steel sleeve form a triangular stable structure, so that the stability of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Fig. 1 It is the overall structure schematic view of the utility model;

[0015] Fig. 2 It is the side view of the overall utility model;

[0016] Fig. 3 It is the top view of the overall utility model;

[0017] Wherein, 1, steel sleeve; 2, first steel bar; 201, welding section; 202, connecting section; 203, fixed section; 3, second steel bar; 4, extruded block. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0020] As Figs. 1-3 shown, the utility model provides a pressure type prestressed anti floating anchor rod top anchor cable positioning fixing device, include: steel sleeve 1 and support frame, steel sleeve 1 outside fixed support frame, support frame includes several first steel bar 2 and second steel bar 3, several first steel bar 2 top circumferential fixed outside steel sleeve 1, first steel bar 2 bottom and ground contact, first steel bar 2 whole is in triangular state, for improving the stability of support frame, first steel bar 2 middle fixed connection has second steel bar 3, second steel bar 3 horizontal arrangement.

[0021] Support frame, it is triangular structure, for supporting prestressed reserved anchor cable, steel sleeve 1, with support frame is connected, for fixed constraint anchor cable.

[0022] Steel sleeve 1 is made of galvanized steel pipe of specification 100mm long φ60x3.2mm, its purpose is to constrain anchor rod steel strand, makes it fixed and does not displace.

[0023] First steel bar 2 is vertical support steel bar, is made of 3 HRB400 steel bars of diameter 12mm and is bent, and is welded and connected with steel sleeve 1, and is in the form of an equilateral triangular support, for supporting steel strand, so that it is erected to a reasonable height.

[0024] Second steel bar 3 is horizontal connection steel bar, is made of 3 HRB400 steel bars of diameter 12mm and is welded, and is welded and connected with 3 first steel bars 2 on the plane of 300mm height from ground, and the horizontal plane formed by second steel bar 3 is 1000mm from the top of steel sleeve 1, and the setting of second steel bar 3 can increase the overall rigidity and stability of the device, and improve the carrying capacity.

[0025] The first reinforcing steel bar 2 is provided with a first bending part and a second bending part, wherein the first bending part and the second bending part divide the first reinforcing steel bar 2 into a welding section 201, a connecting section 202 and a fixing section 203, the first bending part is between the welding section 201 and the connecting section 202, the second bending part is between the connecting section 202 and the fixing section 203, the welding section 201 is located at the top of the first reinforcing steel bar 2 and is in a vertical state, is located at the steel sleeve 1 and is double-welded with the steel sleeve 1 by using an electrode, so that the connection is firm.

[0026] The connecting section 202 is located between the steel sleeve 1 and the second reinforcing steel bar 3, and due to the first bending part, the bottom of the connecting section 202 is in a form of outward diffusion, the bottom of the connecting section 202 is inclined at an angle of 75° with the horizontal plane, the angle is relatively large, the stability is ensured, and the occupation of the outer space is reduced, so that the operation and transportation are more convenient and flexible.

[0027] The fixing section 203 is located below the second reinforcing steel bar 3, the bottom of the fixing section 203 is in an outward expansion state, the fixing section 203 is outwardly bent, so that the bottom of the fixing section 203 is at an angle of 60° with the horizontal plane, so that the whole forms a structure of being narrow at the top and wide at the bottom, the wider bottom can provide a larger supporting area, so that the stability of the tripod on uneven ground is increased, and the risk of rollover is reduced.

[0028] The steel sleeve 1 is inserted with an extrusion block 4, and the extrusion block 4 is located at the center position of the steel strand, in this embodiment, the extrusion block 4 is a conical wedge, in order to better constrain and fix the steel strand of the steel sleeve 1, the conical wedge is nailed into the center of the three steel strands in the steel sleeve 1, so that the steel sleeve 1, the steel strand and the conical wedge are mutually extruded and compacted, the problem of inclined sliding of the steel strand is solved, the relative spacing control of the steel strand in the anchor rod is more uniform, and the overall quality of the anchor rod construction is improved.

[0029] The device is processed and manufactured by using on-site surplus reinforcing steel bars, so that the cost investment is reduced, the labor input is reduced compared with traditional wood reinforcement, the device has high stability and is not easy to be damaged, can be repeatedly used and improves the construction efficiency.

[0030] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0031] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device, characterized in that, Include: Steel sleeve (1) and support frame, the steel sleeve (1) is fixed with the support frame outside, the support frame includes a plurality of first reinforcing steel bars (2) and second reinforcing steel bars (3), a plurality of the first reinforcing steel bars (2) are fixed on the outside of the steel sleeve (1) in the top circumferential direction, the bottom of the first reinforcing steel bar (2) is in contact with the ground, the first reinforcing steel bar (2) is in the form of a whole triangle, for improving the stability of the support frame, the middle of the first reinforcing steel bar (2) is fixedly connected with the second reinforcing steel bar (3), and the second reinforcing steel bar (3) is horizontally arranged.

2. The pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device according to claim 1, characterized in that: The first reinforcing steel bar (2) includes a welding section (201), a connecting section (202) and a fixed section (203), the welding section (201) is welded with the steel sleeve (1), the connecting section (202) is below the welding section (201), the second reinforcing steel bar (3) is fixedly connected to the bottom end of the connecting section (202), and the fixed section (203) is below the connecting section (202). The fixed section (203) is fixedly connected with the ground.

3. The pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device according to claim 2, characterized in that: The welding section (201) and the connecting section (202) are provided with a first bending part, the first bending part makes the lower end of the connecting section (202) in the form of outward diffusion, and the lower end of the connecting section (202) forms an included angle of 75° with the horizontal plane.

4. The pressure type prestressed anti-floating anchor rod top anchor cable positioning and fixing device according to claim 3, characterized in that: The connecting section (202) and the fixed section (203) are provided with a second bending part, the second bending part makes the lower end of the fixed section (203) in the form of outward diffusion, and the lower end of the fixed section (203) forms an included angle of 60° with the horizontal plane.

5. The pressure type prestressed anti-floating anchor rod top cable positioning and fixing device according to claim 1, characterized in that: The steel sleeve (1) is inserted with an extrusion block (4), and the extrusion block (4) is located at the center position of the steel strand.

6. The pressure type prestressed anti-floating anchor rod top cable positioning and fixing device according to claim 1, characterized in that: The first reinforcing steel bar (2) is provided with three, and the second reinforcing steel bar (3) is provided with three.

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