CN214219713U

CN214219713U - Pile foundation structure for spanning multiple tunnels of subway

Info

Publication number: CN214219713U
Application number: CN202022669164.7U
Authority: CN
Inventors: 江敏
Original assignee: Shanghai Yizhong Construction Engineering Co ltd
Current assignee: Shanghai Yizhong Construction Engineering Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-17
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a stride across many tunnels of subway pile foundation structure, including the cushion cap, the first recess that two symmetries set up, two is seted up to the lower extreme of cushion cap the inside of first recess is all inserted and is equipped with base rod, two all be equipped with in the first recess and be used for carrying out the fixed establishment fixed to the base rod. The utility model discloses it is rational in infrastructure, realize the threaded rod through setting up reinforcing mechanism and drive the toper piece and extrude the slider, make the slider insert the soil layer, the realization is carried out more firm to the cushion cap, more effectual fixed, avoid using concrete placement after, the concrete is loose, thereby cause the pile foundation insecure, lead to the subway travel in-process to have danger, realize under the effect of bolt through setting up fixing mechanism, carry out convenient equipment with the base rod, avoid the pile foundation because bulky, irregular shape, lead to loaded down with trivial details transportation, simultaneously in the transportation, be difficult to fix anomalous pile foundation, easily lead to the phenomenon that the pile foundation damaged appears in the transportation.

Description

Pile foundation structure for spanning multiple tunnels of subway

Technical Field

The utility model relates to a tunnel pile foundation construction technical field especially relates to a stride across pile foundation structure in many tunnels of subway.

Background

With the development of domestic traffic, the application of subway tunnels and underground highway tunnels is more and more popular, so that the safety of underground tunnels is generally considered when urban construction planning is carried out, and generally, the ground construction application avoids the areas where underground tunnels pass as far as possible, so that the ground land is more and more limited, the ground land is scarce, and the problem of how to solve the problems of utilization of underground space and scarcity of ground construction land is put forward.

Among the prior art, the pile foundation often is the integral type, can't separate base pole and base, in the transportation, have because the holistic volume of pile foundation is great, the shape is irregular, it is loaded down with trivial details in the transportation to lead to easily, and is inefficient, also can cause the damage to the pile foundation, the base often realizes fixedly through the mode of the pouring of punching among the prior art simultaneously, this kind of method is because the concrete drops after the pile foundation uses for a long time, loose, easily lead to the pile foundation unstable, thereby cause the subway to travel the in-process and have danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the pile foundation structure of a strideing across subway multiple tunnel that proposes, it realizes that the threaded rod drives the toper piece and extrudes the slider through setting up strengthening mechanism, make the slider insert the soil layer, the realization is carried out more firm to the cushion cap, more effective fixed, avoid using behind the concrete placement, the concrete is loose, thereby cause the pile foundation unstable, lead to there being danger in the subway driving process, realize under the effect of bolt through setting up fixed establishment, carry out convenient equipment with the base pole, avoid the pile foundation because the volume is too big, irregular shape, lead to loaded down with trivial details transportation, simultaneously in the transportation, be difficult to fix anomalous pile foundation, easily lead to the phenomenon that the pile foundation appears damaging in the transportation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a stride across many tunnels of subway pile foundation structure, includes the cushion cap, the first recess that two symmetries set up, two is seted up to the lower extreme of cushion cap the inside of first recess is all inserted and is equipped with base rod, two all be equipped with in the first recess and be used for carrying out the fixed establishment to the base rod, the upper end of cushion cap runs through the fixed pipe that is provided with two symmetries and sets up, two all be equipped with in the fixed pipe and be used for carrying out reinforced (rfd) reinforcing mechanism to the cushion cap.

Preferably, the fixing mechanism comprises a fixing plate fixedly connected to the bottom in the first groove, two symmetrically arranged bolts are rotatably connected to the side walls of the fixing plate, a second groove and a third groove matched with the bolts are respectively formed in the two side walls of the base rod, and nuts are connected to the side walls of the bolts in a threaded manner.

Preferably, the strengthening mechanism includes the threaded rod of sliding connection in the fixed pipe, the lower extreme of threaded rod rotates and is connected with the toper piece, toper piece sliding connection be in on the inside wall of fixed pipe, the upper end fixedly connected with fixed block of fixed pipe, the fixed block with threaded rod threaded connection, the through-hole has all been seted up on two lateral walls of fixed pipe, two equal sliding connection has the slider in the through-hole, two the lateral wall of slider respectively with the lateral wall contact of toper piece.

Preferably, the upper end fixedly connected with handle of threaded rod, the cover is equipped with anti-skidding rubber sleeve on the handle.

Preferably, the upper end of the bearing platform is fixedly connected with a supporting column.

Preferably, a plurality of the sliding blocks are conical, and the surfaces of the sliding blocks are coated with anti-corrosion paint.

Compared with the prior art, the utility model, its beneficial effect does:

1. realize the threaded rod through setting up strengthening mechanism and drive the toper piece and extrude the slider, make the slider insert the soil layer, realize going on more firm, more effectual fixed to the cushion cap, avoid using concrete placement back, the concrete is loose to cause the pile foundation insecure, lead to the subway travel in-process to have danger.

2. Realize under the effect of bolt through setting up fixed establishment, carry out convenient equipment with the base rod, avoid the pile foundation because bulky, the shape is irregular, lead to loaded down with trivial details transportation, simultaneously in the transportation, be difficult to with irregular pile foundation fixed, easily lead to the phenomenon that the pile foundation appears damaging in the transportation.

Drawings

Fig. 1 is a schematic structural diagram of a pile foundation structure spanning multiple tunnels of a subway according to the present invention;

fig. 2 is a schematic view of fixing the structure of the pile foundation spanning multiple tunnels of the subway according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

fig. 4 is an enlarged view of the structure at B in fig. 2.

In the figure: the device comprises a base rod 1, a second groove 2, a third groove 3, a first groove 4, a bearing platform 5, a support column 6, a fixed tube 7, a threaded rod 8, a conical block 9, a sliding block 10, a fixed block 11, a fixed plate 12, a bolt 13 and a nut 14.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, a stride across many tunnels of subway pile foundation structure, including cushion cap 5, the upper end fixedly connected with support column 6 of cushion cap 5, two first recesses 4 that the symmetry set up are seted up to the lower extreme of cushion cap 5, base rod 1 is all inserted and is equipped with in the inside of two first recesses 4, all be equipped with in two first recesses 4 and be used for carrying out the fixed establishment to base rod 1, the upper end of cushion cap 5 is run through and is provided with two fixed pipes 7 that the symmetry set up, all be equipped with in two fixed pipes 7 and be used for carrying out reinforced (rfd) reinforcing mechanism to cushion cap 5.

The utility model discloses in, fixed establishment includes fixed plate 12 of bottom in first recess 4, it is connected with the bolt 13 that two symmetries set up to rotate on the lateral wall of fixed plate 12, set up respectively on two lateral walls of base rod 1 with bolt 13 matched with second recess 2 and third recess 3, threaded connection has nut 14 on bolt 13's the lateral wall, realize under bolt 13's effect through setting up fixed establishment, carry out convenient equipment with base rod 1, avoid the pile foundation because the volume is too big, irregular shape, lead to loaded down with trivial details transportation, simultaneously in the transportation, be difficult to fix anomalous pile foundation, easily lead to the phenomenon that the pile foundation appears damaging in the transportation.

The reinforcing mechanism comprises a threaded rod 8 which is connected in a sliding manner in a fixed pipe 7, a handle is fixedly connected to the upper end of the threaded rod 8, an anti-skid rubber sleeve is sleeved on the handle, the lower end of the threaded rod 8 is rotatably connected with a conical block 9, the conical block 9 is slidably connected to the inner side wall of the fixed pipe 7, a fixed block 11 is fixedly connected to the upper end of the fixed pipe 7, the fixed block 11 is in threaded connection with the threaded rod 8, through holes are formed in two side walls of the fixed pipe 7, sliding blocks 10 are connected in the through holes in a sliding manner, the sliding blocks 10 are conical, anti-corrosion paint is coated on the surfaces of the sliding blocks 10, the side walls of the two sliding blocks 10 are respectively in contact with the side walls of the conical block 9, the threaded rod 8 is driven by the reinforcing mechanism to extrude the sliding blocks 10, the sliding blocks 10 are inserted into a soil layer, more stable and more effective fixing of the bearing platform 5 is realized, and after concrete pouring is avoided, the concrete is loose, so that the pile foundation is unstable, and dangers exist in the running process of the subway.

The utility model discloses during the use, when needs are assembled pile foundation wholly, establish first recess 4 with base rod 1 insert, at this moment rotate bolt 13, rotate second recess 2 and third recess 3 department with bolt 13, rotate nut 14 again, the realization is carried out effectual fixed to base rod 1, after fixed the completion, insert fixed pipe 7 and establish in the hole of beating in advance, rotate threaded rod 8 afterwards, will make threaded rod 8 promote the removal of conical block 9, extrude slider 10, the realization carries out effectual reinforcement to cushion cap 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a stride across many tunnels of subway pile foundation structure, includes cushion cap (5), its characterized in that, first recess (4) that two symmetries set up, two are seted up to the lower extreme of cushion cap (5) the inside of first recess (4) is all inserted and is equipped with base rod (1), two all be equipped with in first recess (4) and be used for carrying out the fixed establishment to base rod (1), the upper end of cushion cap (5) runs through fixed pipe (7) that are provided with two symmetries and set up, two all be equipped with in fixed pipe (7) and be used for carrying out reinforced (rfd) strengthening mechanism to cushion cap (5).

2. The multi-tunnel pile foundation structure of the subway is characterized in that the fixing mechanism comprises a fixing plate (12) fixedly connected to the bottom in a first groove (4), two symmetrically arranged bolts (13) are rotatably connected to the side wall of the fixing plate (12), a second groove (2) and a third groove (3) matched with the bolts (13) are respectively formed in two side walls of the base rod (1), and nuts (14) are connected to the side walls of the bolts (13) in a threaded manner.

3. The multi-tunnel pile foundation structure of the crossing subway according to claim 1, characterized in that, the strengthening mechanism includes threaded rod (8) of sliding connection in fixed pipe (7), the lower extreme of threaded rod (8) is rotated and is connected with toper piece (9), toper piece (9) sliding connection be in on the inside wall of fixed pipe (7), the upper end fixedly connected with fixed block (11) of fixed pipe (7), fixed block (11) with threaded rod (8) threaded connection, all seted up the through-hole on two lateral walls of fixed pipe (7), two equal sliding connection has slider (10) in the through-hole, two the lateral wall of slider (10) respectively with the lateral wall contact of toper piece (9).

4. A pile foundation structure spanning multiple tunnels of a subway according to claim 3, wherein a handle is fixedly connected to the upper end of said threaded rod (8), and an anti-slip rubber sleeve is sleeved on said handle.

5. A pile foundation structure spanning multiple tunnels of a subway according to claim 1, wherein a supporting column (6) is fixedly connected to the upper end of said bearing platform (5).

6. A pile foundation structure crossing multiple tunnels of a subway according to claim 3, wherein a plurality of said sliding blocks (10) are tapered, and the surface of a plurality of said sliding blocks (10) is coated with an anti-corrosion paint.