Prestress anti-floating anchor rod

Abstract

The utility model relates to the technical field of anti-floating anchor rods, and discloses a prestress anti-floating anchor rod which comprises a bottom anchoring plate, three rod bodies and a first triangular plate, the number of the rod bodies is three, and the three rod bodies are fixed to the upper end face of the first triangular plate in an annular array mode. The bottom reinforcing piece is arranged on the lower end face of the bottom anchoring plate and used for reinforcing the bottom end of the bottom anchoring plate; the rod body reinforcing piece is telescopically arranged on the rod body and is used for reinforcing from the upper section of the rod body; the three rod bodies are fixed to the first triangular plate in the annular array mode and matched with the first triangular plate and the second triangular plate, by means of the stability of a triangle, the capacity of resisting building foundation buoyancy can be improved, and the overall stability of the structure is remarkably enhanced; the pressure promotes the connecting column to rise, the top block extrudes the movable block to move outwards to be inserted into a side soil layer, the bottom stability is improved, and the anti-floating capacity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to anti -floating anchor rod technical field, especially point to a kind of prestressed anti -floating anchor rod. BACKGROUND

[0002] Anti -floating anchor rod is a kind of for resisting underground structure (such as basement, pool, underground garage etc.) and float up due to groundwater buoyancy effect and geotechnical anchoring technology, in construction engineering, especially underground structure part, anti -floating problem has been the key factor influencing engineering stability and safety, with the acceleration of urbanization process, more and more construction projects are carried out in the area with complex geological conditions and high groundwater level, in this kind of environment, the buoyancy that building foundation bears can greatly threaten the stability of structure, if not handled properly, it can cause building foundation to float, crack and even serious consequences such as overall structure damage.

[0003] Traditional anti -floating measure has many limitations, some simple anti -floating anchor rod structure design, only rely on single anchor rod body and anchor plate combination, when facing complex geological conditions and powerful buoyancy, it cannot provide enough stability, among them, in the installation process of traditional anti -floating anchor rod, often lack effective reinforcing means, whether bottom anchoring or reinforcement of rod body has deficiency, so that the anchor rod after installation greatly discounts in anti -floating performance. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of prestressed anti -floating anchor rod to solve the problem that existing anchor rod lacks effective reinforcing means when installing, and bottom anchoring and rod body reinforcement all have deficiency.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of prestressed anti -floating anchor rod, including bottom anchoring plate and rod body, still include:

[0006] First triangular plate is fixed in the upper end surface of bottom anchoring plate, the rod body is equipped with three, three rod bodies are annular array and are fixed in the upper end surface of first triangular plate;

[0007] Bottom reinforcement is set in the lower end surface of bottom anchoring plate, and is used to reinforce from the bottom end of bottom anchoring plate;

[0008] Rod body reinforcement is telescopically set on rod body, and is used to reinforce from the upper section of rod body.

[0009] Preferably, the bottom reinforcement includes a column and an insertion cone portion, the column is a hollow structure along the axial direction, and a slot is formed in the outer wall of the upper end of the column, and the column is vertically fixed at the bottom end of the bottom anchoring plate, the top end of the insertion cone portion is connected with a connecting column, the top end of the connecting column is connected with a top block, the inside top end of the column is provided with a movable block that can penetrate the slot, and the movable block is extruded by the top block to move outward.

[0010] Preferably, the upper end surface of the movable block is fixed with a convex plate, a spring is connected between the convex plate and the inside of the column body, and the lower end surface of the movable block is provided with an extrusion inclined surface.

[0011] Preferably, a guide block is connected to the outer wall of the connecting column at the upper end, and a vertical guide groove is formed in the inner wall of the column body.

[0012] Preferably, the rod body reinforcing member comprises a groove formed in the outer upper end of the rod body, a first hinged rod is hinged to the bottom end of the groove, and a second hinged rod is hinged to the first hinged rod.

[0013] Preferably, a top anchor plate is mounted at the top end of the rod body, and a second triangular plate is further arranged at the middle part of the outer part of the three rod bodies.

[0014] Preferably, the outer part of the rod body is coated with an epoxy coating, and a heat shrinkable sleeve is further arranged on the outer part of the rod body.

[0015] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0016] (1) The three rod bodies are fixed on the first triangular plate in a ring array, and cooperate with the first triangular plate and the second triangular plate, so that the stability of the triangle is utilized to improve the ability to resist the building foundation buoyancy and significantly enhance the overall stability of the structure.

[0017] (2) By arranging the bottom reinforcing member, during the installation process, as the insertion cone part enters the soil layer, the pressure promotes the connecting column to rise, the top block extrudes the movable block to move outward and insert into the side soil layer, thereby increasing the bottom stability and improving the anti-floating ability.

[0018] (3) By arranging the rod body reinforcing member, the rod body reinforcing member can be manually expanded, and during pouring or embedding, the rod body reinforcing member can be expanded to increase the contact area and the stability of the rod body, thereby improving the anti-floating ability. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, 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 creating labor.

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a structural schematic view of the rod body and the rod body reinforcing member;

[0022] Figure 3 This is a schematic diagram of the structure in the combined state of the bottom reinforcement components;

[0023] Figure 4 This is a schematic diagram of the structure of the bottom reinforcement component in its disassembled state;

[0024] Figure 5 This is a schematic diagram of the rod structure;

[0025] In the diagram: 1. Bottom anchor plate; 2. First triangular plate; 3. Rod body;

[0026] 4. Bottom reinforcement component; 41. Column; 411. Groove; 42. Insert cone; 43. Connecting column; 44. Movable block; 441. Extrusion slope; 45. Protruding plate; 46. Spring; 47. Top block; 48. Guide block; 49. Guide groove;

[0027] 5. Rod reinforcement component; 51. Groove; 52. First hinge rod; 53. Second hinge rod;

[0028] 6. Second triangular plate; 7. Top anchor plate; 8. Epoxy coating; 9. Heat shrink tubing. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figures 1-4 As shown, a prestressed anti-buoyancy anchor rod includes a bottom anchor plate 1 and a rod body 3, as well as a first triangular plate 2, a bottom reinforcement 4, and a rod body reinforcement 5. The first triangular plate 2 is fixed to the upper end face of the bottom anchor plate 1. There are three rod bodies 3 arranged in a ring array and fixed to the upper end face of the first triangular plate 2. A top anchor plate 7 is installed at the top of the rod body 3, and a second triangular plate 6 is also provided at the middle of the three rod bodies 3. The three rod bodies 3 are arranged in a triangle and cooperate with the first triangular plate 2 and the second triangular plate 6. By utilizing the stability of the triangle, the buoyancy force acting on the building foundation can be effectively improved, and the overall stability of the structure can be enhanced. The bottom reinforcement 4 is set on the lower end face of the bottom anchor plate 1 and is used to reinforce from the bottom end of the bottom anchor plate 1. The rod body reinforcement 5 is telescopically set on the rod body 3 and is used to reinforce from the upper section of the rod body 3.

[0031] Among them, see Figure 3 and Figure 4As shown, the bottom reinforcing member 4 includes a column 41 and a plug cone 42, the column 41 is hollow in the axial direction, and a notch 411 is formed on the outer wall of the column 41 at the upper end, and the column 41 is vertically fixed at the bottom end of the bottom anchor plate 1, the plug cone 42 helps the anti-floating anchor to be inserted into the soil more smoothly, the top end of the plug cone 42 is connected with a connecting column 43, the top end of the connecting column 43 is connected with a top block 47, the inside top end of the column 41 is provided with a movable block 44 which can pass through the notch 411, and the movable block 44 is extruded by the top block 47 to move outward.

[0032] As shown in Figure 3 and Figure 4 As shown, the upper end surface of the movable block 44 is fixed with a convex plate 45, the convex plate 45 and the inside of the column 41 are connected with a spring 46, the lower end surface of the movable block 44 is provided with an extrusion inclined surface 441, in the natural state of the spring 46, the outer end of the movable block 44 is not protruding outward from the notch 411, the outer wall of the upper end of the connecting column 43 is connected with a guide block 48, the inner wall of the column 41 is provided with a vertical guide groove 49, and the guide block 48 moves along the straight line of the guide groove 49, which can greatly improve the stability of the lifting of the connecting column 43 and reduce the occurrence of rotation.

[0033] Through the above, when installing the anti-floating anchor, the plug cone 42 is forced to enter the soil layer, the pressure makes the plug cone 42 close to the column 41, the connecting column 43 moves upward, the movable block 44 provided with the extrusion inclined surface 441 on the top block 47 is extruded, the movable block 44 moves outward, and the movable block 44 is inserted into the soil layer on the side to increase stability and improve the anti-floating ability.

[0034] As shown in Figure 2 The rod body reinforcing member 5 includes a groove 51 formed on the upper end of the outer wall of the rod body 3, the bottom end of the groove 51 is hinged with a first hinge rod 52, and the first hinge rod 52 is hinged with a second hinge rod 53.

[0035] As above, when installing the anti-floating anchor, the first hinge rod 52 in the groove 51 can be manually rotated, then the second hinge rod 53 is rotated outward from the first hinge rod 52, and the free end of the second hinge rod 53 is placed on the top end of the groove 51, so that the rod body reinforcing member 5 is expanded to increase the contact area, thereby increasing the stability during pouring or burying and improving the difficulty of floating.

[0036] In addition, as shown in Figure 5As shown, the outer part of the rod body 3 is coated with an epoxy coating 8, and the outer part of the rod body 3 is also provided with a heat shrink sleeve 9, the thickness of the epoxy coating 8 is greater than 250 μm, the epoxy coating 8 has corrosion resistance, further isolates the rod body 3 from the external environment, reduces the risk of the rod body 3 being affected by various corrosive media in the soil, and the heat shrink sleeve 9 plays a role in protecting the rod body 3, which can prevent the rod body 3 from being affected by the surrounding environment, and the epoxy coating 8 and the heat shrink sleeve 9 work together to provide double protection for the rod body 3, which can more effectively prolong the service life of the rod body 3.

[0037] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A prestressed anti-floating anchor rod comprising a bottom anchoring plate (1) and a rod body (3), characterized in that, Also included are: The first triangle plate (2) is fixed on the upper end surface of the bottom anchor plate (1), and the rod body (3) is provided with three, three rod bodies (3) are arranged in a ring array on the upper end surface of the first triangle plate (2); The bottom reinforcing member (4) is arranged on the lower end surface of the bottom anchor plate (1) and is used for reinforcing from the bottom end of the bottom anchor plate (1); The rod body reinforcing member (5) is telescopically arranged on the rod body (3) and is used for reinforcing from the upper segment of the rod body (3).

2. A pre-stressed anti-floatation anchor rod as claimed in claim 1, wherein: The bottom reinforcing member (4) includes a column body (41) and an insertion cone portion (42), the column body (41) is hollow in the axial direction, and a notch (411) is formed in the outer wall of the upper end of the column body (41), and the column body (41) is vertically fixed on the bottom end of the bottom anchor plate (1), the insertion cone portion (42) is connected with a connecting column (43) at the top end, the connecting column (43) is connected with a top block (47) at the top end, and the inside of the column body (41) is provided with a movable block (44) which can pass through the notch (411), and the movable block (44) is extruded by the top block (47) to move outward.

3. A pre-stressed anti-floatation anchor rod as claimed in claim 2, wherein: The upper end surface of the movable block (44) is fixed with a convex plate (45), the convex plate (45) and the inside of the column body (41) are connected with a spring (46), and the lower end surface of the movable block (44) is provided with an extrusion inclined surface (441).

4. The pre-stressed anti-floatation anchor rod according to claim 2, characterized in that: The outer wall of the connecting column (43) is connected with a guide block (48) at the upper end, and the inner wall of the column body (41) is provided with a vertical guide groove (49).

5. The pre-stressed anti-floatation anchor rod according to claim 1, wherein: The rod body reinforcing member (5) includes a groove (51) formed in the upper end of the outer wall of the rod body (3), and the groove (51) is hingedly connected with a first hinge rod (52) at the bottom end, and the first hinge rod (52) is hingedly connected with a second hinge rod (53).

6. The pre-stressed anti-floatation anchor rod according to claim 1, wherein: The top end of the rod body (3) is provided with a top anchor plate (7), and the middle part of the three rod bodies (3) is further provided with a second triangle plate (6).

7. The pre-stressed anti-floatation anchor rod according to claim 1, wherein: The outer wall of the rod body (3) is coated with an epoxy coating (8), and the outer wall of the rod body (3) is further provided with a heat shrinkable sleeve (9).

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