CN112627189A

CN112627189A - Be used for excavation supporting batter pile structure

Info

Publication number: CN112627189A
Application number: CN202011461146.8A
Authority: CN
Inventors: 王杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-04-09

Abstract

The invention relates to the technical field of foundation pit supporting, and discloses an inclined pile structure for foundation pit supporting. According to the invention, the anchoring base in the anchoring mechanism is used for anchoring and positioning the soil, under the condition of secondary oblique reinforced anchoring of the anchoring inclined pile, the condition that the anchoring mechanism is separated from the soil due to external pressure extrusion, rain wash and the like can be resisted, the firmness and stability of the anchoring mechanism are further improved, the firmness performance of the inclined pile structure is enhanced, in the supporting process, a triangular stress form can be formed with the foundation pit through the connection of the main rod of the inclined pile, the top bracing mechanism and the side bracing mechanism, so that the foundation pit and the inclined pile structure form an integrated stress form, and the supporting capability of the foundation pit is improved.

Description

Be used for excavation supporting batter pile structure

Technical Field

The invention relates to the technical field of foundation pit supporting, in particular to an inclined pile structure for foundation pit supporting.

Background

The foundation pit support is a supporting and retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit, the foundation pit support is a special structural mode and has a plurality of functions, different supporting structures are suitable for different hydrogeological conditions, and therefore specific analysis is carried out according to specific problems, so that an economically applicable supporting structure is selected, when the plane of the foundation pit is large, the horizontal supporting cost is high, the supporting performance cannot be guaranteed, and therefore an inclined pile mechanism is required to be used for supporting the foundation pit.

But there are some shortcomings about the supporting batter pile structure of excavation supporting usefulness in the existing market, and traditional batter pile structure is comparatively single, and it is comparatively low to strut stability ability, and in the use, its bottom atress base very easily receives the condition that rainwater erodees, external force extrusion leads to base and soil to part, and then reduces the supporting fastness of batter pile structure. Accordingly, one skilled in the art provides a batter pile structure for foundation pit support to solve the problems set forth in the background art.

Disclosure of Invention

The invention aims to provide a batter pile structure for foundation pit support, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for excavation supporting batter pile structure, includes the batter pile mobile jib, the bottom of batter pile mobile jib is connected with anchor mechanism, and the top of batter pile mobile jib is connected with the shore mechanism, one side of batter pile mobile jib is located middle part position department and is connected with the side stay mechanism.

As a still further scheme of the invention: the anchoring mechanism comprises an anchoring base, anchoring inserted rods are symmetrically arranged at the edge positions below the anchoring base, through grooves are formed in one side of each anchoring inserted rod below the anchoring base at intervals, a pouring gate is formed in the middle position of the top of the anchoring base, a positioning clamping sleeve is arranged at the edge positions above the anchoring base in a penetrating mode, anchoring inclined piles are clamped in the inner side of the positioning clamping sleeve in a penetrating mode, positioning bolts are symmetrically arranged at the edge positions above the pouring gate and connected with the mounting seat through the positioning bolts, and supporting rods are connected to the middle position of the mounting seat in the top of the mounting seat.

As a still further scheme of the invention: the anchor inserted bar is the toper structure, and six groups are no less than to the quantity of anchor inserted bar, the anchor inserted bar is for the even symmetrical arrangement of centre of a circle of anchor base.

As a still further scheme of the invention: the number of the through grooves is the same as that of the positioning clamping sleeves, the through grooves correspond to the positioning clamping sleeves one to one, and the inner diameters of the positioning clamping sleeves are matched with the outer diameters of the anchoring inclined piles.

As a still further scheme of the invention: the upper surface of the mounting seat is symmetrically provided with positioning through holes matched with the positioning bolts at the edge positions, and the mounting seat is in sleeve joint and clamping with the positioning bolts through the positioning through holes.

As a still further scheme of the invention: the top bracing mechanism comprises a top bracing rod, wherein the two sides of the top bracing rod are symmetrically connected with top bracing side rods at the middle positions, the top end of the top bracing rod is connected with a top bracing seat B, the top end of the top bracing side rod is connected with a top bracing seat A, the middle parts of the top bracing rod and the top bracing side rods are respectively fixed with a positioning pull rod, one end of the positioning pull rod is sleeved with a positioning sleeve rod, and the outer side of the positioning pull rod is sleeved with a reset spring at the bottom position.

As a still further scheme of the invention: the size of the top support seat A is the same as that of the top support seat B, and the top support seat A and the top support seat B are located on the same horizontal plane.

As a still further scheme of the invention: the outer diameter of the positioning pull rod is matched with the inner diameter of the positioning sleeve rod, and the positioning pull rod is elastically clamped with the positioning sleeve rod through a return spring.

As a still further scheme of the invention: the side props the mechanism and includes first side lever, the top of first side lever is fixed with first stress plate, one side of first stress plate is located middle part position department and is connected with the decompression piece, and one side of first stress plate is located corner position department and runs through the block and have spacing slide bar, first stress plate is connected with the second stress plate through spacing slide bar, decompression spring has been cup jointed in the outside of spacing slide bar, one side of second stress plate is located middle part position department and is fixed with the second side lever, the top of second side lever is connected with the base prop seat.

As a still further scheme of the invention: the number of the limiting slide bars is four, and the limiting slide bars are arranged in a mutually crossed and symmetrical mode relative to four corners of the first stress plate.

As a still further scheme of the invention: the pressure reducing block is of a columnar structure, the pressure reducing block is made of NBR materials, and the pressure reducing block, the first side rod and the second side rod are located on the same horizontal plane.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the anchoring base in the anchoring mechanism is used for anchoring and positioning the soil, under the secondary oblique reinforced anchoring of the anchoring inclined pile, the condition that the anchoring mechanism is separated from the soil due to external pressure extrusion, rain wash and the like can be resisted, the firmness and stability of the anchoring mechanism are further improved, the firmness performance of the inclined pile structure is enhanced, in the supporting process, a triangular stress form can be formed with the foundation pit through the connection of the inclined pile main rod with the top bracing mechanism and the side bracing mechanism, so that the foundation pit and the inclined pile structure form an integrated stress form, the supporting capability of the foundation pit is improved, the anchoring mechanism, the top bracing mechanism and the side bracing mechanism are synchronously and sequentially connected through the inclined pile main rod, and the inclined pile structure can be conveniently assembled and constructed by workers.

Drawings

Fig. 1 is a schematic structural view of a batter pile structure for foundation pit support;

FIG. 2 is a schematic structural diagram of an anchoring mechanism used in a foundation pit supporting batter pile structure;

fig. 3 is a schematic structural view of the inside of an anchoring mechanism used in a foundation pit supporting batter pile structure;

FIG. 4 is a schematic structural diagram of a shoring mechanism used in a foundation pit supporting batter pile structure;

fig. 5 is a schematic structural diagram of a side support mechanism used in a foundation pit supporting batter pile structure.

In the figure: 1. a main rod of the inclined pile; 2. an anchoring mechanism; 21. an anchoring base; 22. positioning the clamping sleeve; 23. a through groove; 24. anchoring the inserted rod; 25. anchoring the inclined pile; 26. a pouring gate; 27. a mounting seat; 28. a support bar; 29. positioning the bolt; 3. a shoring mechanism; 31. a top brace rod; 32. supporting a side rod; 33. a jacking seat A; 34. a jacking seat B; 35. positioning the loop bar; 36. a return spring; 37. positioning the pull rod; 4. a side bracing mechanism; 41. a first side bar; 42. a limiting slide bar; 43. a first stress plate; 44. a relief spring; 45. a pressure reducing block; 46. a second stress plate; 47. a second side bar; 48. a base support seat.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, an inclined pile structure for supporting a foundation pit includes an inclined pile main rod 1, an anchoring mechanism 2 is connected to a bottom end of the inclined pile main rod 1, the anchoring mechanism 2 includes an anchoring base 21, anchoring insertion rods 24 are symmetrically arranged below the anchoring base 21 at edge positions, through grooves 23 are formed at intervals at one side of the anchoring insertion rods 24 below the anchoring base 21, a pouring gate 26 is formed at a middle position above the anchoring base 21, a positioning sleeve 22 is penetratingly arranged at the edge position above the anchoring base 21, an inclined anchoring pile 25 is penetratingly engaged with an inner side of the positioning sleeve 22, positioning bolts 29 are symmetrically arranged at the edge position above the pouring gate 26, the pouring gate 26 is connected with an installation base 27 through the positioning bolts 29, a support rod 28 is connected at the middle position above the installation base 27, the anchoring insertion rods 24 are of a tapered structure, the number of the anchoring inserted rods 24 is not less than six, the anchoring inserted rods 24 are uniformly and symmetrically arranged relative to the circle center of the anchoring base 21, the number of the through grooves 23 is the same as that of the positioning clamping sleeves 22, the through grooves 23 and the positioning clamping sleeves 22 are in one-to-one correspondence, the inner diameters of the positioning clamping sleeves 22 are matched with the outer diameters of the anchoring inclined piles 25, in the inclined pile structure construction process, a worker places the anchoring base 21 in a pre-dug tunnel, positions and adjusts the anchoring inclined piles through the anchoring inserted rods 24 with conical structures, after the adjustment is finished, the anchoring inclined piles 25 sequentially penetrate and are driven into the positioning clamping sleeves 22, the anchoring inclined piles 25 penetrate through the through grooves 23 and extend into soil around the tunnel, the anchoring base 21 is reinforced and positioned, and further workers pour concrete into the tunnel through the pouring port 26 to fix the anchoring mechanism 2, the upper surface of mount pad 27 is located the symmetry of border position department and has offered the positioning hole with positioning bolt 29 looks adaptation, and mount pad 27 cup joints the block through positioning hole and positioning bolt 29, and after concrete pouring shaping, with mount pad 27 twist solid on positioning bolt 29, is connected anchoring mechanism 2 and batter pile mobile jib 1 through bracing piece 28, firmly supports the bottom atress direction of batter pile mobile jib 1.

The top end of the inclined pile main rod 1 is connected with a top bracing mechanism 3, the top bracing mechanism 3 comprises a top bracing rod 31, two sides of the top bracing rod 31 are symmetrically connected with top bracing side rods 32 at the middle positions, the top end of the top bracing rod 31 is connected with a top bracing seat B34, the top ends of the top bracing side rods 32 are connected with top bracing seats A33, the middle parts of the top bracing rod 31 and the top bracing side rods 32 are both fixed with positioning pull rods 37, one end of each positioning pull rod 37 is sleeved with a positioning sleeve rod 35, the outer side of each positioning pull rod 37 is sleeved with a return spring 36 at the bottom position, the sizes of the top bracing seats A33 and the top bracing seats B34 are the same, the top bracing seats A33 and the top bracing seats B34 are positioned on the same horizontal plane, the outer diameter of the positioning pull rods 37 is matched with the inner diameter of the positioning sleeve rods 35, the positioning pull rods 37 are elastically clamped with the positioning sleeve rods 35 through the return springs 36, in the construction process of the inclined pile structure, workers connect the top bracing mechanism 3 to the top of, after the connection is finished, the top bracing mechanism 3 is connected with the inclined pile main rod 1 through the top bracing rod 31, the top of the foundation pit is supported, when the top of the foundation pit is under external pressure, the triangular stress form formed by the top bracing rod 31 and the top bracing side rod 32 can reduce the single-point stress intensity at the top of the foundation pit, the condition that the single-point stress of the foundation pit is too large and the single-point stress of the foundation pit is avoided from collapsing, the elastic supporting capability of the top bracing rod 31 and the top bracing side rod 32 can be improved through the elastic supporting of the positioning pull rod 37 in the pressure bearing process of the top bracing rod 31 and the top bracing side rod 32 synchronously, and the prestress of the top bracing mechanism 3 is further.

One side of the inclined pile main rod 1 is connected with a side supporting mechanism 4 at the middle position, the side supporting mechanism 4 comprises a first side rod 41, a first stress plate 43 is fixed at the top end of the first side rod 41, a pressure reducing block 45 is connected at the middle position of one side of the first stress plate 43, a limit slide rod 42 is inserted and clamped at the corner position of one side of the first stress plate 43, the first stress plate 43 is connected with a second stress plate 46 through the limit slide rod 42, a pressure reducing spring 44 is sleeved at the outer side of the limit slide rod 42, a second side rod 47 is fixed at the middle position of one side of the second stress plate 46, the top end of the second side rod 47 is connected with a bottom supporting seat 48, the number of the limit slide rods 42 is four, the limit slide rods 42 are arranged in a mutually crossed and symmetrical mode relative to four corners of the first stress plate 43, the pressure reducing block 45 is in a columnar structure, the pressure reducing block 45 is made of NBR material, the pressure reducing block 45 and the first side rod 41 and the, in the construction process of the batter pile structure, the staff connects the side bracing mechanism 4 in the bottom of foundation pit through the bottom bracing seat 48, the bottom of foundation pit is strutted and is handled, receive when the foundation pit bottom receives the passive pressure that comes from external pressure and foundation pit top too big, through the transfer elastic support of pressure reducing block 45, under the supporting block of pressure reducing spring 44 and spacing slide bar 42, can improve the elastic prestress of foundation pit bottom, avoid the too big circumstances that leads to the foundation pit bottom to appear breaking, collapsing of atress.

The working principle of the invention is as follows: in the process of constructing the inclined pile structure, an operator places an anchoring base 21 in a pre-dug tunnel, positions and adjusts the anchoring base through an anchoring inserted rod 24 with a conical structure, after the adjustment is finished, anchoring inclined piles 25 sequentially penetrate and are driven into a positioning clamping sleeve 22, then the anchoring inclined piles 25 penetrate through a through groove 23 and extend into soil around the tunnel, the anchoring base 21 is reinforced and positioned, further operators pour concrete into the tunnel through a pouring port 26 to fix the anchoring mechanism 2 through the concrete, after the concrete is poured and formed, an installation seat 27 is screwed on a positioning bolt 29, the anchoring mechanism 2 is connected with an inclined pile main rod 1 through a support rod 28 to firmly support the bottom of the inclined pile main rod 1 in the stress direction, and a synchronous operator connects a top support mechanism 3 to the top of a foundation pit through a top support seat A33 and a top support seat B34, after the connection is finished, the top bracing mechanism 3 is connected with the oblique pile main rod 1 through the top bracing rod 31, the top of the foundation pit is supported, when the top of the foundation pit receives external pressure, a triangular stress form formed by the top bracing rod 31 and the top bracing side rod 32 can reduce single-point stress strength at the top of the foundation pit, the condition that the single point of the foundation pit is too large in pressure and collapses is avoided, further workers connect the side bracing mechanism 4 at the bottom of the foundation pit through the bottom bracing seat 48, the bottom of the foundation pit is supported and treated, when the bottom of the foundation pit receives external pressure and passive pressure from the top of the foundation pit, the middle transfer elastic support through the pressure reducing block 45 can improve the elastic prestress at the bottom of the foundation pit under the matched clamping of the pressure reducing spring 44 and the limiting slide rod 42, and the condition that the bottom of the foundation pit breaks and collapses caused by the excessive stress is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides a be used for excavation supporting batter pile structure, includes batter pile mobile jib (1), its characterized in that, the bottom of batter pile mobile jib (1) is connected with anchor mechanism (2), and the top of batter pile mobile jib (1) is connected with shore mechanism (3), one side of batter pile mobile jib (1) is located middle part position department and is connected with side support mechanism (4).

2. The batter pile structure for foundation pit support according to claim 1, wherein the anchoring mechanism (2) comprises an anchoring base (21), anchoring inserted rods (24) are symmetrically arranged below the anchoring base (21) at the edge positions, a through groove (23) is formed in one side of the anchoring inserted rods (24) below the anchoring base (21), a pouring gate (26) is arranged at the middle position above the anchoring base (21), a positioning sleeve (22) is penetratingly arranged at the edge positions above the anchoring base (21), an anchoring batter pile (25) is penetratingly clamped at the inner side of the positioning sleeve (22), positioning bolts (29) are symmetrically arranged at the edge positions above the pouring gate (26), and the pouring gate (26) is connected with the mounting seat (27) through the positioning bolts (29), a supporting rod (28) is connected to the middle position above the mounting seat (27).

3. The batter pile structure for foundation pit support according to claim 2, wherein the anchoring inserted rods (24) are of a conical structure, the number of the anchoring inserted rods (24) is not less than six, and the anchoring inserted rods (24) are uniformly and symmetrically arranged relative to the center of the anchoring base (21).

4. The batter pile structure for foundation pit support according to claim 2, wherein the number of the through grooves (23) is the same as that of the positioning cutting sleeves (22), the through grooves (23) and the positioning cutting sleeves (22) are in one-to-one correspondence, and the inner diameter of the positioning cutting sleeves (22) is matched with the outer diameter of the anchoring batter pile (25).

5. The batter pile structure for foundation pit support according to claim 2, wherein the upper surface of the mounting seat (27) is symmetrically provided with positioning through holes matched with the positioning bolts (29) at the edge positions, and the mounting seat (27) is sleeved and clamped with the positioning bolts (29) through the positioning through holes.

6. The batter pile structure for foundation pit support according to claim 1, wherein the top bracing mechanism (3) comprises a top bracing rod (31), two sides of the top bracing rod (31) are symmetrically connected with top bracing side rods (32) at the middle position, the top end of the top bracing rod (31) is connected with a top bracing seat B (34), the top end of the top bracing side rods (32) is connected with a top bracing seat A (33), the middle parts of the top bracing rod (31) and the top bracing side rods (32) are respectively fixed with a positioning pull rod (37), one end of the positioning pull rod (37) is sleeved with a positioning sleeve rod (35), and the outer side of the positioning pull rod (37) is sleeved with a return spring (36) at the bottom position.

7. A batter pile structure for foundation pit support according to claim 6, wherein the size of the top bracing seat A (33) is the same as that of the top bracing seat B (34), and the top bracing seat A (33) and the top bracing seat B (34) are on the same horizontal plane.

8. A batter pile structure for foundation pit support according to claim 6, characterized in that the outer diameter of the positioning pull rod (37) is matched with the inner diameter of the positioning sleeve rod (35), and the positioning pull rod (37) is elastically clamped with the positioning sleeve rod (35) through a return spring (36).

9. The foundation pit supporting batter pile structure according to claim 1, wherein the side supporting mechanism (4) comprises a first side lever (41), a first stress plate (43) is fixed at the top end of the first side lever (41), a pressure reducing block (45) is connected to one side of the first stress plate (43) at the middle position, a limiting slide rod (42) is in a penetrating and clamping mode at the corner position of one side of the first stress plate (43), the first stress plate (43) is connected with a second stress plate (46) through the limiting slide rod (42), a pressure reducing spring (44) is sleeved on the outer side of the limiting slide rod (42), a second side lever (47) is fixed at the middle position of one side of the second stress plate (46), and a bottom supporting seat (48) is connected to the top end of the second side lever (47).

10. The batter pile structure for foundation pit support according to claim 9, wherein the number of the limiting slide bars (42) is four, and the limiting slide bars (42) are arranged in a mutually crossed and symmetrical manner relative to four corners of the first stress plate (43).

11. The batter pile structure for foundation pit support according to claim 9, wherein the pressure reducing block (45) is of a cylindrical structure, the pressure reducing block (45) is made of NBR (nitrile rubber), and the pressure reducing block (45) and the first side rod (41) and the second side rod (47) are on the same horizontal plane.