Foundation pit row pile supporting structure

Abstract

The utility model relates to the technical field of building construction, in particular to a foundation pit row pile supporting structure which comprises a connecting beam, a front row pile is fixedly connected to the left side of the bottom of the connecting beam, a rear row pile is fixedly connected to the right side of the bottom of the connecting beam, and an anchor rod assembly is arranged between the front row pile and the rear row pile. Elastic connecting pieces are arranged on the left side and the right side of the anchor rod assembly, the anchor rod assembly comprises a threaded cylinder penetrating through the middle of the connecting beam, the outer wall of the threaded cylinder is fixedly connected with the inner wall of the connecting beam, a sleeve is fixedly connected to the middle of the bottom of the connecting beam, and the sleeve is arranged under the threaded cylinder. An anchor rod body is arranged in the sleeve, the surface of the anchor rod body is in threaded connection with the inner wall of the threaded barrel, a rod body of the anchor rod body is a threaded rod, and the top end of the anchor rod body extends to the outside of the threaded barrel, so that connection between the anchor rod and the ground can be enhanced, and the shock resistance of the anchor nail is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a foundation pit row pile supporting structure. Background Art

[0002] Deep foundation pit support construction is an extremely important link in the construction of housing buildings or related projects such as subway tunnels. The anti-overturning stability of deep foundation pit support is crucial to the smooth progress of the project. It ensures the safety of underground structure construction and the surrounding environment of the foundation pit, and adopts support, reinforcement and protection measures for the side walls of the foundation pit and the surrounding environment; in the existing support structure, after the vertical anchor rod is driven into the soil layer, the anchor rod and the connecting beam will be fixed by a nut at the end of the anchor rod, but in the event of an earthquake, the instantaneous shaking caused by the earthquake is large, and the anchor rod's ability to adapt to deformation is limited, which will cause the anchor rod structure to be destroyed, and then affect the stability of the support structure. At the same time, the connection between the bottom end of the anchor rod and the ground is not tight enough and can be easily brought out. Utility Model Content

[0003] The utility model aims to provide a foundation pit pile support structure to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A foundation pit pile support structure, comprising a connecting beam, a front row of piles is fixedly connected to the left side of the bottom of the connecting beam, a rear row of piles is fixedly connected to the right side of the bottom of the connecting beam, an anchor rod assembly is arranged between the front row of piles and the rear row of piles, and elastic connectors are arranged on the left and right sides of the anchor rod assembly;

[0006] The anchor rod assembly includes a threaded barrel passing through the middle of the connecting beam, the outer wall of the threaded barrel is fixedly connected to the inner wall of the connecting beam, a sleeve is fixedly connected to the middle of the bottom of the connecting beam, the sleeve is arranged directly below the threaded barrel, an anchor rod body is arranged inside the sleeve, and the surface of the anchor rod body is threadedly connected to the inner wall of the threaded barrel.

[0007] As a preferred solution of the utility model, the rod body of the anchor rod body is a threaded rod, the top end of the anchor rod body extends to the outside of the threaded tube, the bottom end of the anchor rod body extends to the outside of the sleeve, the top of the surface of the anchor rod body is fixedly connected with a ring, the surface of the anchor rod body is sleeved with a high-pressure spring, and the top of the high-pressure spring is fixedly connected to the bottom of the ring.

[0008] As a preferred solution of the utility model, a spiral reinforcement rod is fixedly connected to the bottom end of the anchor body, and a reinforcement block is arranged on the surface of the sleeve. There are four reinforcement blocks, which are evenly arranged on the left and right sides of the sleeve, and the cross-section of the reinforcement block is a right triangle.

[0009] As a preferred solution of the utility model, the elastic connecting member includes two buckles, which are clamped with the left and right sides of the ring, and the two buckles are fixedly connected to the first connecting rod on the side away from the ring, and the second connecting rod is provided on the side away from the buckles.

[0010] As a preferred solution of the utility model, the two second connecting rods are rotatably connected to an axle seat at one end away from the first connecting rod, the bottom of the two axle seats are fixedly connected to the left and right sides of the top of the connecting beam, and the two first connecting rods are fixedly connected to an adjusting rod at one end away from the buckle.

[0011] As a preferred solution of the utility model, an adjustment cavity is opened on one side of the two second connecting rods close to the first connecting rod, and the two adjusting rods extend into the interior of the two adjusting cavities respectively. The other ends of the two adjusting rods are fixedly connected to a moving block, and the surfaces of the two adjusting rods are sleeved with buffer springs, one side of the two buffer springs is fixedly connected to the inner wall of the adjusting cavity, and the other ends of the two buffer springs are fixedly connected to the surface of the moving block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the elastic connector and the high-pressure spring are provided to buffer the anchor rod body when an earthquake occurs, thereby achieving a shock-absorbing effect, thereby improving the stability of the anchor rod body when an earthquake occurs, and further improving the earthquake resistance of the anchor rod body.

[0014] 2. In the present invention, a reinforcing block is arranged on the surface of the sleeve to strengthen the connection between the sleeve and the ground. After the sleeve is screwed into the ground, the connection between the spiral reinforcing rod and the ground is tightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is an enlarged structural schematic diagram of A of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the elastic connector of the utility model;

[0018] Figure 4 It is an enlarged structural schematic diagram of B of the utility model.

[0019] In the figure: 1. connecting beam; 2. front row piles; 3. rear row piles; 4. anchor rod assembly; 401. threaded tube; 402. sleeve; 403. anchor rod body; 404. collar; 405. high pressure spring; 406. reinforcement block; 407. spiral reinforcement rod; 5. elastic connector; 501. buckle; 502. first connecting rod; 503. second connecting rod; 504. axle seat; 505. adjusting rod; 506. adjusting cavity; 507. moving block; 508. buffer spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] For examples, see Figure 1 , the utility model provides a technical solution:

[0023] A foundation pit pile support structure includes a connecting beam 1, a front row of piles 2 is fixedly connected to the left side of the bottom of the connecting beam 1, a rear row of piles 3 is fixedly connected to the right side of the bottom of the connecting beam 1, an anchor rod assembly 4 is arranged between the front row of piles 2 and the rear row of piles 3, and elastic connecting parts 5 are arranged on the left and right sides of the anchor rod assembly 4. The anchor rod assembly 4 includes a threaded barrel 401 that passes through the middle of the connecting beam 1, the outer wall of the threaded barrel 401 is fixedly connected to the inner wall of the connecting beam 1, a sleeve 402 is fixedly connected to the middle of the bottom of the connecting beam 1, the sleeve 402 is arranged directly below the threaded barrel 401, an anchor rod body 403 is arranged inside the sleeve 402, and the surface of the anchor rod body 403 is threadedly connected to the inner wall of the threaded barrel 401.

[0024] like Figure 1 , Figure 2As shown, the rod body of the anchor rod body 403 is a threaded rod, the top end of the anchor rod body 403 extends to the outside of the threaded tube 401, the bottom end of the anchor rod body 403 extends to the outside of the sleeve 402, the top of the surface of the anchor rod body 403 is fixedly connected with a ring 404, the surface of the anchor rod body 403 is sleeved with a high-pressure spring 405, the top of the high-pressure spring 405 is fixedly connected to the bottom of the ring 404, the bottom end of the anchor rod body 403 is fixedly connected with a spiral reinforcement rod 407, and the surface of the sleeve 402 is provided with reinforcement blocks 406, the number of reinforcement blocks 406 is four, and the four reinforcement blocks 406 are evenly arranged on the left and right sides of the sleeve 402, and the cross-section of the reinforcement blocks 406 is a right triangle.

[0025] like Figure 1 , Figure 3 , Figure 4 As shown, the elastic connecting member 5 includes two buckles 501, and the two buckles 501 are clamped with the left and right sides of the ring 404. The first connecting rod 502 is fixedly connected to the side of the two buckles 501 away from the ring 404. The second connecting rod 503 is arranged on the side of the two first connecting rods 502 away from the buckles 501. The ends of the two second connecting rods 503 away from the first connecting rod 502 are rotatably connected to the shaft seat 504. The bottoms of the two shaft seats 504 are fixedly connected to the left and right sides of the top of the connecting beam 1. The two first connecting rods 502 are away from the buckles. One end of 501 is fixedly connected to an adjusting rod 505, and an adjusting cavity 506 is opened on one side of the two second connecting rods 503 close to the first connecting rod 502. The two adjusting rods 505 extend into the inside of the two adjusting cavities 506 respectively, and the other ends of the two adjusting rods 505 are fixedly connected to a moving block 507. The surfaces of the two adjusting rods 505 are sleeved with buffer springs 508, one side of the two buffer springs 508 is fixedly connected to the inner wall of the adjusting cavity 506, and the other ends of the two buffer springs 508 are fixedly connected to the surface of the moving block 507.

[0026] The working process of the utility model is as follows: when in use, a front row of piles 2 and a rear row of piles 3 are arranged in a foundation pit, and the front row of piles 2 and the rear row of piles 3 are arranged at intervals to form a matrix shape. The threaded tube 401 in the middle of the connecting beam 1 is connected to the anchor body 403, and the sleeve 402 is screwed into the inside of the ground. The reinforcing block 406 strengthens the connection between the sleeve 402 and the ground, and the spiral reinforcing rod 407 is more tightly connected to the ground to prevent the anchor body 403 from being easily taken out. The anchor body 403 can be cushioned by the high-pressure spring 405 and the elastic connecting member 5, and the buffer spring 508 arranged on the surface of the adjusting rod 505 allows the adjusting rod 505 and the moving block 507 to move inside the adjusting cavity 506, so that the first connecting rod 502 and the second connecting rod 503 are elastically connected, thereby improving the seismic resistance of the anchor body 403.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation pit pile support structure, comprising a connecting beam (1), characterized in that: A front row of piles (2) is fixedly connected to the left side of the bottom of the connecting beam (1), a rear row of piles (3) is fixedly connected to the right side of the bottom of the connecting beam (1), an anchor rod assembly (4) is arranged between the front row of piles (2) and the rear row of piles (3), and elastic connecting members (5) are arranged on the left and right sides of the anchor rod assembly (4); The anchor rod assembly (4) comprises a threaded barrel (401) penetrating the middle of the connecting beam (1); the outer wall of the threaded barrel (401) is fixedly connected to the inner wall of the connecting beam (1); a sleeve (402) is fixedly connected to the middle of the bottom of the connecting beam (1); the sleeve (402) is arranged directly below the threaded barrel (401); an anchor rod body (403) is arranged inside the sleeve (402); and the surface of the anchor rod body (403) is threadedly connected to the inner wall of the threaded barrel (401).

2. A foundation pit pile support structure according to claim 1, characterized in that: The rod body of the anchor rod body (403) is a threaded rod, the top end of the anchor rod body (403) extends to the outside of the threaded tube (401), the bottom end of the anchor rod body (403) extends to the outside of the sleeve (402), the top of the surface of the anchor rod body (403) is fixedly connected with a ring (404), the surface of the anchor rod body (403) is sleeved with a high-pressure spring (405), and the top end of the high-pressure spring (405) is fixedly connected to the bottom of the ring (404).

3. A foundation pit pile support structure according to claim 2, characterized in that: The bottom end of the anchor rod body (403) is fixedly connected with a spiral reinforcement rod (407), and the surface of the sleeve (402) is provided with a reinforcement block (406). The number of the reinforcement blocks (406) is four, and the four reinforcement blocks (406) are evenly arranged on the left and right sides of the sleeve (402), and the cross-section of the reinforcement block (406) is a right triangle.

4. The foundation pit pile support structure according to claim 1, characterized in that: The elastic connecting member (5) comprises two buckles (501), the two buckles (501) are clamped with the left and right sides of the sleeve ring (404), the two buckles (501) are fixedly connected with a first connecting rod (502) on one side away from the sleeve ring (404), and the two first connecting rods (502) are provided with a second connecting rod (503) on one side away from the buckles (501).

5. A foundation pit pile support structure according to claim 4, characterized in that: The two second connecting rods (503) are rotatably connected to an axle seat (504) at one end away from the first connecting rod (502), and the bottoms of the two axle seats (504) are fixedly connected to the left and right sides of the top of the connecting beam (1), and the two first connecting rods (502) are fixedly connected to an adjustment rod (505) at one end away from the buckle (501).

6. A foundation pit pile support structure according to claim 5, characterized in that: An adjustment cavity (506) is provided on one side of the two second connecting rods (503) close to the first connecting rod (502); the two adjusting rods (505) extend into the interior of the two adjusting cavities (506) respectively; the other ends of the two adjusting rods (505) are fixedly connected to a moving block (507); a buffer spring (508) is sleeved on the surface of the two adjusting rods (505); one side of the two buffer springs (508) is fixedly connected to the inner wall of the adjustment cavity (506); and the other ends of the two buffer springs (508) are fixedly connected to the surface of the moving block (507).

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