Basement anti-floating anchor rod fixing device and construction method

Abstract

The invention discloses a basement anti-floating anchor rod fixing device and a construction method, and belongs to the field of anti-floating anchor rod construction.The basement anti-floating anchor rod fixing device comprises an anchor rod and a frame body, the frame body is detachably connected with a locking component, and the locking component abuts against the side edge of the anchor rod to limit displacement of the anchor rod in the horizontal direction; the top of the frame body is movably matched with a pressing component, and the pressing component abuts against the top of the anchor rod to limit displacement of the anchor rod in the vertical direction. According to the scheme, displacement of the anchor rod in the horizontal direction and the vertical direction after the anchor rod enters the hole can be controlled in a limited mode, so that stability of the anchor rod after the anchor rod enters the hole can be guaranteed, and favorable conditions are created for grouting. The locking component comprises two sets of locking units which are matched with each other, each locking unit comprises an abutting portion, the abutting portions are located between the grooves and the matching portions on the two sides, and the abutting portions are of an arc-shaped structure and suitable for abutting against the outer surface of the anchor rod, so that the limiting effect on displacement of the anchor rod in the horizontal direction is remarkably guaranteed.

Description

Technical Field

[0001] The invention belongs to the field of anti-floating anchor rod construction, and specifically relates to a basement anti-floating anchor rod fixing device and a construction method. Background Art

[0002] At present, with the rapid development of urbanization and the increasing scarcity of urban construction land, in recent years, underground space construction is developing in a deeper and larger direction. It is easy to cause water accumulation in places with high groundwater levels or low terrain. In order to avoid the floating of building structures caused by the buoyancy of groundwater, which may cause damage to the building structures, anti-floating anchor rods are usually used. In the construction process of anti-floating anchor rods, three anchor rods are usually spot-welded into a bundle as an integral component. The integral component is placed in the drilled hole by hoisting and then grouting is performed. Because the diameter of the anchor hole is large and the rod body should be placed in the center of the hole after the anchor rod is inserted, it is necessary to ensure the entry angle and stability during the grouting process, and the elevation of the upper and foundation connection anchoring section. However, after the upper anchor rod of the existing design is entered into the hole, there is usually no good and completely stable measure to carry out subsequent anchor rod grouting construction.

[0003] The Ministry of Housing and Urban-Rural Development clearly states in the industry standard "Technical Standard for Anti-Floating of Construction Projects": Anti-floating anchor rods refer to anti-pullout components anchored in the foundation and jointly bearing the buoyancy of groundwater with the base plate of the underground structure; anti-floating stability refers to the degree to which the construction project maintains a stable state under the action of superstructure load and buoyancy.

[0004] The construction process of anti-floating anchor rods usually includes anchor rod production → anchor hole fixed point numbering → hole formation (hole cleaning) → anchor rod placement → primary grouting → secondary high-pressure grouting → anchor rod maintenance and testing, in which the horizontal and vertical errors of the anchor rods are generally required to be no more than 100mm. During construction, the tower crane or other engineering equipment will hoist the anchor rod into the hole. When placing it, avoid twisting, bending, and loosening of the parts. The grouting process must be carried out continuously.

[0005] The application with the publication number CN219118247U discloses a device for preventing the anti-floating anchor rod from deviating from its steel bar, including a plurality of inserting drill rods, a plurality of fixing plates, a connecting rod and a clamping frame, wherein the plurality of inserting drill rods are arranged around the anti-floating anchor rod; the two ends of the fixing plate are respectively connected to two adjacent inserting drill rods; the connecting rod is fixedly connected to the fixing plate; the clamping frame is telescopically fitted on one end of the connecting rod cavity, and the clamping frame and the end of the connecting rod form an enclosing structure for clamping the steel bar of the anti-floating anchor rod. The position of the clamping frame is fixed by the cooperation of the plurality of inserting drill rods and the plurality of fixing plates, and the plurality of clamping frames clamp the plurality of steel bars on the same anti-floating anchor rod, so that the anti-floating anchor rod is subjected to forces in multiple directions, thereby preventing the anti-floating anchor rod from rotating; at the same time, the clamping frame and the end of the connecting rod form an enclosing structure for clamping the anti-floating anchor rod steel bar, which can firmly clamp the anti-floating anchor rod steel bar, thereby preventing the anti-floating anchor rod steel bar from axial displacement, thereby preventing the anti-floating anchor rod steel bar from deviating from its position.

[0006] In the process of anti-floating anchor construction, the existing construction method is often to manually ensure the angle of the anchor entering the hole and the stability after entering the hole. However, due to the anchor being too long and too heavy, the angle of entry and the stability after entering the hole cannot be effectively guaranteed and it is difficult to control. Summary of the invention

[0007] The technical problem to be solved by the present invention is to provide a basement anti-floating anchor fixing device and a construction method to solve the problems mentioned in the background technology or achieve better technical effects.

[0008] In order to solve the above technical problems, the inventor has obtained the technical solution of the present invention through practice and summary. The present invention discloses a basement anti-floating anchor fixing device, including an anchor, a frame body,

[0009] The frame body is detachably connected to a locking component, and the locking component abuts against the side of the anchor rod to limit the horizontal displacement of the anchor rod;

[0010] A clamping component is movably matched at the top of the frame body, and the clamping component contacts the top of the anchor rod to limit the vertical displacement of the anchor rod.

[0011] The solution of the present application can control the horizontal and vertical displacements of the anchor rod after entering the hole to a limited extent, thereby ensuring the stability of the anchor rod after entering the hole and creating favorable conditions for grouting.

[0012] Preferably, the locking component includes two groups of locking units that cooperate with each other, the locking unit includes two side matching parts, the matching parts include matching part one and matching part two, the locking unit also includes a groove located between the two side matching parts; the locking unit also includes a resistance part, the resistance part is located between the groove and the two side matching parts, the resistance part is an arc-shaped structure and is suitable for resisting the outer surface of the anchor rod.

[0013] Preferably, the first mating portion includes a mating protrusion; the second mating portion includes a mating groove; when the two sets of locking units are mated relative to each other, the mating protrusion matches the mating groove.

[0014] Preferably, the matching protrusion is an arc-shaped protrusion or a square protrusion, and correspondingly, the matching groove is an arc-shaped groove or a square groove.

[0015] This solution can ensure that the locking component is effectively engaged and locked without loosening.

[0016] Preferably, the top and bottom of the resistance portion are detachably connected with resistance pieces, and the hardness of the resistance pieces is lower than the hardness of the anchor rod.

[0017] The interference part of the present solution has at least four interference pieces arranged up and down, which is significantly better than the prior art in limiting the horizontal displacement of the anchor rod. For example, in the prior art, limiting the horizontal direction of the anchor rod by a circular ring can only limit the horizontal direction of the position where the circular ring and the anchor rod interfere, and cannot limit the overall horizontal direction of the anchor rod.

[0018] This solution can ensure the service life of the fixing device and at the same time minimize the damage of the fixing device to the anchor rod.

[0019] Preferably, two upper and lower cross bars are connected in cooperation in the groove, and the cross bar is detachably connected to the groove and extends out in the opposite direction of the groove; the frame body includes a first cross beam and a second cross beam arranged horizontally up and down; the first cross beam and the second cross beam both include insertion holes, and the cross bar is suitable for being inserted into the insertion holes and can be detachably locked.

[0020] Preferably, the top of the frame body includes a longitudinal beam, the top of the longitudinal beam includes a third cross beam, the middle of the third cross beam includes a connecting hole, a clamping component is movably fitted in the connecting hole, the clamping component includes a vertical rod, and the vertical rod moves up and down in the connecting hole; the top of the vertical rod includes a boss, and the width of the boss is greater than the width of the connecting hole; the bottom of the vertical rod includes a pressure seat, the pressure seat abuts against the top of the anchor rod, the two sides of the pressure seat are slopes, and the slopes are adapted to be equipped with wedges; the wedges and the slopes are suitable for fine-tuning the distance between the pressure seat and the longitudinal beam.

[0021] In some preferred embodiments, the third cross beam is detachable and fits with the longitudinal beam, so as to make room for the lifting anchor rods.

[0022] Preferably, the bottom of the frame body includes four groups of supporting legs, the bottom of the supporting legs includes a support platform, the cross-sectional area of ​​the support platform is larger than the cross-sectional area of ​​the supporting legs, and a vertical through hole is provided on the support platform.

[0023] This solution can use the insertion rod to fix the support leg to the ground through the through hole according to the construction site conditions, and the position of the fixing device can be effectively limited in combination with the counterweight block.

[0024] The present invention also discloses a construction method for a basement anti-floating anchor fixing device, comprising:

[0025] The frame body is positioned on the ground and the anchor rod is kept at the center of the frame body;

[0026] The locking unit of the locking component cooperates with the side of the anchor rod to limit the horizontal displacement of the anchor rod, and the locking unit can be detachably locked to the first beam and the second beam;

[0027] The wedge blocks are available in different heights. When the fine adjustment of the wedge block and the slope is not enough to make the pressure seat contact the top of the anchor rod, a wedge block with a higher height is replaced;

[0028] Counterweights are placed on the frame body as required.

[0029] Compared with the prior art, the present invention can achieve the following technical effects:

[0030] The solution of the present application can control the horizontal and vertical displacement of the anchor rod after entering the hole to a limited extent, so as to ensure the stability of the anchor rod after entering the hole. In particular, the locking component of the present application includes two groups of locking units that cooperate with each other, the locking unit includes two side matching parts, the matching parts include matching part one and matching part two, the locking unit also includes a groove located between the two side matching parts; the locking unit also includes a resistance part, the resistance part is located between the groove and the two side matching parts, the resistance part is an arc structure and is suitable for conflicting with the outer surface of the anchor rod. The top and bottom of the resistance part are detachably connected with a resistance piece, the hardness of the resistance piece is lower than the hardness of the anchor rod, the resistance piece of the resistance part is at least four and is arranged up and down, which significantly ensures the limiting effect on the horizontal displacement of the anchor rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] Figure 1 is a three-dimensional diagram of the fixing device of the present application;

[0033] Figure 2 is a side view of the fixing device of the present application;

[0034] Figure 3 is a side view of the fixing device of the present application;

[0035] Figure 4 is a three-dimensional diagram of the locking component of the present application;

[0036] Figure 5 is a three-dimensional diagram of the locking unit of the present application;

[0037] Figure 6 is a three-dimensional diagram of the clamping component of the present application;

[0038] Figure 7 It is a side view of another implementation of the present application.

[0039] In the figure: 1. anchor rod, 2. frame body, 21. first cross beam, 22. second cross beam, 23. longitudinal beam, 24. third cross beam, 3. locking component, 31. matching part one, 32. matching part two, 33. groove, 35. matching protrusion, 36. matching groove, 37. resistance part, 38. resistance piece, 4. cross bar, 5. clamping component, 51. boss, 52. vertical bar, 53. pressure seat, 54. slope, 6. wedge block. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] Example 1

[0043] like Figure 1-6 As shown: A basement anti-floating anchor fixing device, comprising an anchor 1, a frame body 2,

[0044] The frame body 2 is detachably connected to the locking component 3, which contacts the side of the anchor rod 1 to limit the horizontal displacement of the anchor rod 1; the top of the frame body 2 is movably equipped with a clamping component 5, which contacts the top of the anchor rod 1 to limit the vertical displacement of the anchor rod 1.

[0045] Among them, the locking component 3 includes two groups of locking units that cooperate with each other, the locking unit includes two side matching parts, the matching parts include matching part 1 31 and matching part 2 32, and the locking unit also includes a groove 33 located between the two side matching parts; the locking unit also includes a resistance part 37, the resistance part 37 is located between the groove 33 and the two side matching parts, the resistance part 37 is an arc structure and is suitable for resisting the outer surface of the anchor rod 1.

[0046] The first mating portion 31 includes a mating protrusion 35 ; the second mating portion 32 includes a mating groove 36 ; when the two sets of locking units are mated with each other, the mating protrusion 35 matches with the mating groove 36 .

[0047] The matching protrusion 35 is an arc-shaped protrusion, and correspondingly, the matching groove 36 is an arc-shaped groove.

[0048] The top and bottom of the resisting portion 37 are detachably connected with resisting members 38 , and the hardness of the resisting members 38 is lower than that of the anchor rod 1 .

[0049] Among them, two upper and lower cross bars 4 are connected in the groove 33, the cross bar 4 is detachably connected to the groove 33 and extends out in the opposite direction of the groove 33; the frame body 2 includes a first cross beam 21 and a second cross beam 22 arranged horizontally in the upper and lower directions; the first cross beam 21 and the second cross beam 22 both include insertion holes, and the cross bar 4 is suitable for being inserted into the insertion holes and can be detachably locked.

[0050] Among them, the bottom of the frame body 2 includes a longitudinal beam 23, and the top of the longitudinal beam 23 includes a third cross beam 24. The middle of the third cross beam 24 includes a connecting hole, and a clamping component 5 is movably fitted in the connecting hole. The clamping component 5 includes a vertical rod 52, and the vertical rod 52 moves up and down in the connecting hole; the top of the vertical rod 52 includes a boss 51, and the width of the boss is greater than the width of the connecting hole; the bottom of the vertical rod 52 includes a pressure seat 53, and the pressure seat 53 contacts the top of the anchor rod 1. The two sides of the pressure seat 53 are slopes 54, and the slopes 54 are adapted to be equipped with wedges 6; the wedges 6 cooperate with the slopes 54 to fine-tune the distance between the pressure seat 53 and the longitudinal beam 23.

[0051] The bottom of the frame body 2 includes four groups of supporting legs, and the bottom of the supporting legs includes a support platform 26 . The cross-sectional area of ​​the support platform 26 is larger than the cross-sectional area of ​​the supporting legs, and a vertical through hole is provided on the support platform 26 .

[0052] A construction method for a basement anti-floating anchor fixing device, comprising:

[0053] The frame body 2 is positioned on the ground and the anchor rod is kept at the center of the frame body 2;

[0054] The locking unit of the locking component 3 cooperates with the side of the anchor rod 1 to limit the horizontal displacement of the anchor rod 1, and the locking unit can be detachably locked to the first crossbeam 21 and the second crossbeam 22;

[0055] The wedge block 6 is available in different heights. When the fine adjustment between the wedge block 6 and the slope 54 is not enough to make the pressure seat 53 contact the top of the anchor rod 1, a wedge block 6 with a higher height is replaced.

[0056] In order to prevent the wedge from falling or getting loose, the two opposite wedges can be tied together with ropes or cable ties as needed.

[0057] A counterweight is placed on the frame body 2 as required.

[0058] Example 2

[0059] like Figure 7 As shown, the difference between Example 2 and Example 1 is that the matching protrusion 35 is a square protrusion, and correspondingly, the matching groove 36 is a square groove.

[0060] The present application discloses a basement anti-floating anchor fixing device that is mainly limited to acting on the position where the top of the anchor sticks out of the ground. Therefore, it is not suitable for anchors with too little sticking out and cannot fully achieve the purpose of the present application. Therefore, when used with the present device, the anchor should be reserved with enough length to stick out of the ground. The overall height of the anti-floating anchor fixing device of the present application also matches the length of anchors that usually stick out in existing construction. The portion of the anchor that does not stick out of the ground is omitted in the drawings of the present application.

[0061] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0062] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A basement anti-floating anchor fixing device, comprising an anchor (1), characterized in that: comprising a frame body (2), The frame body (2) is detachably connected to a locking component (3), and the locking component (3) contacts the side of the anchor rod (1) to limit the horizontal displacement of the anchor rod (1); The top of the frame body (2) is movably matched with a clamping component (5), and the clamping component (5) contacts the top of the anchor rod (1) to limit the vertical displacement of the anchor rod (1).

2. The basement anti-floating anchor fixing device according to claim 1 is characterized in that: The locking component (3) comprises two groups of locking units that cooperate with each other, the locking unit comprises two side cooperation parts, the cooperation parts comprise cooperation part one (31) and cooperation part two (32), the locking unit further comprises a groove (33) located between the two side cooperation parts; the locking unit further comprises a resistance part (37), the resistance part (37) is located between the groove (33) and the two side cooperation parts, the resistance part (37) is an arc-shaped structure and is suitable for resisting against the outer surface of the anchor rod (1).

3. The basement anti-floating anchor fixing device according to claim 2 is characterized in that: The first matching portion (31) includes a matching protrusion (35); the second matching portion (32) includes a matching groove (36); when the two sets of locking units are relatively matched, the matching protrusion (35) matches the matching groove (36).

4. The basement anti-floating anchor fixing device according to claim 3 is characterized by: The matching protrusion (35) is an arc-shaped protrusion or a square protrusion, and correspondingly, the matching groove (36) is an arc-shaped groove or a square groove.

5. The basement anti-floating anchor fixing device according to claim 2 is characterized in that: The top and bottom of the resistance portion (37) are detachably connected with resistance pieces (38), and the hardness of the resistance piece (38) is lower than the hardness of the anchor rod (1).

6. The basement anti-floating anchor fixing device according to claim 2, characterized in that: Two upper and lower cross bars (4) are matched and connected in the groove (33); the cross bar (4) is detachably connected to the groove (33) and extends out in the opposite direction of the groove (33); the frame body (2) comprises a first cross beam (21) and a second cross beam (22) which are arranged vertically in the horizontal direction; the first cross beam (21) and the second cross beam (22) both comprise insertion holes, and the cross bar (4) is suitable for being inserted into the insertion holes and can be detachably locked.

7. The basement anti-floating anchor fixing device according to claim 1, characterized in that: The top of the frame body (2) includes a longitudinal beam (23), and the top of the longitudinal beam (23) includes a third cross beam (24). The middle of the third cross beam (24) includes a connecting hole, and a clamping component (5) is movably fitted in the connecting hole. The clamping component (5) includes a vertical rod (52), and the vertical rod (52) moves up and down in the connecting hole; the top of the vertical rod (52) includes a boss (51), and the width of the boss is greater than the width of the connecting hole; the bottom of the vertical rod (52) includes a pressure seat (53), and the pressure seat (53) contacts the top of the anchor rod (1). The two sides of the pressure seat (53) are slopes (54), and the slopes (54) are adapted to be equipped with wedges (6); the wedges (6) cooperate with the slopes (54) to fine-tune the distance between the pressure seat (53) and the longitudinal beam (23).

8. The basement anti-floating anchor fixing device according to claim 1, characterized in that: The bottom of the frame body (2) comprises four groups of supporting legs, the bottom of the supporting legs comprises a support platform (26), the cross-sectional area of ​​the support platform (26) is larger than the cross-sectional area of ​​the supporting legs, and a vertical through hole is provided on the support platform (26).

9. A construction method for a basement anti-floating anchor fixing device, comprising the basement anti-floating anchor fixing device according to any one of claims 1 to 8, characterized in that: The frame body (2) is positioned on the ground and the anchor rod is kept at the center of the frame body (2); The locking unit of the locking component (3) cooperates with the side of the anchor rod (1) to limit the horizontal displacement of the anchor rod (1), and the locking unit can be detachably locked to the first crossbeam (21) and the second crossbeam (22); The wedge block (6) has different heights for standby use. When the fine adjustment of the wedge block (6) and the slope (54) is not enough to make the pressure seat (53) collide with the top of the anchor rod (1), a wedge block (6) with a higher height is replaced; A counterweight is placed on the frame body (2) as required.

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