High-water-level sandy soil deep foundation pit supporting device

Abstract

The utility model provides a high-water-level sandy soil deep foundation pit supporting device. The high-water-level sandy soil deep foundation pit supporting device comprises fender piles. The positioning structure is clamped to the top end of the fender pile, the positioning structure comprises a positioning plate, a positioning groove and a positioning hole, the positioning groove is formed in the bottom face of one end of the positioning plate, and the positioning hole is formed in the side wall of the other end of the positioning plate; the fixing structure is fixed on the edge of the bottom surface in the foundation pit; the protection structure is mounted between the positioning plate and the fixing groove; the high-water-level sandy soil deep foundation pit supporting device has the advantages that the construction time is conveniently shortened, and the cost input is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep foundation pit supporting technical field especially relates to a high water level sandy soil deep foundation pit supporting device. BACKGROUND

[0002] Deep foundation pit refers to the excavation depth more than 5 meters (including 5 meters), or depth although not more than 5 meters, but the geological conditions and surrounding environment and underground pipeline special complex engineering, in the deep foundation pit engineering operation, need to support the interface foundation pit soil wall, prevent the problem of collapse landslide.

[0003] Due to the diversity of deep foundation pit bottom soil, often encounter high water level, poor soil sandy soil, and due to the strong mobility of sandy soil, the stability is poor, easy to collapse, however, the current existing sandy soil deep foundation pit supporting device in the process of using, generally is through the way of pouring slope pile cap and supports the foundation pit, however, this kind of way not only consumes long time, and the cost is also higher.

[0004] Therefore, it is necessary to provide a new high water level sandy soil deep foundation pit supporting device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem and provides a high water level sandy soil deep foundation pit supporting device convenient for reducing construction time and reducing cost investment.

[0006] In order to solve the above technical problems, the high water level sandy soil deep foundation pit supporting device provided by the utility model comprises: a pile; a positioning structure is clamped at the top end of the pile, the positioning structure comprises a positioning plate, a positioning groove and a positioning hole, the positioning groove is arranged on the bottom surface of one end of the positioning plate, and the positioning hole is arranged on the side wall of the other end of the positioning plate; a fixing structure is fixed to the edge of the bottom surface of the foundation pit, the fixing structure comprises a fixing groove, a bolt, a connecting plate and a plug hole, the fixing groove is fixed to one end of the connecting plate, the other end of the connecting plate is provided with the plug hole, and the bolt is arranged through the plug hole and fixed to the position of the connecting plate in the foundation pit bottom; a protection structure is installed between the positioning plate and the fixing groove, the protection structure comprises an inclined support plate, a vertical plate and a connecting piece, the vertical plate is vertically inserted into the inside of the fixing groove, and the inclined support plate is connected to the top end of the vertical plate through the connecting piece.

[0007] Preferably, the length of the pile is greater than the depth of the foundation pit, and the pile is square and surrounds the periphery of the inside of the foundation pit, and the positioning plate is clamped at the top end of the pile through the positioning groove.

[0008] Preferably, the protection structure further comprises a slot, a screw hole and a limiting block, the slot is arranged at both ends of the connecting piece, the screw hole is arranged on the side wall of the slot, and the limiting block is fixed to the top end of the inclined support plate.

[0009] Preferably, the bottom end of the inclined support plate and the top end side wall of the vertical plate are provided with the screw hole corresponding to the side wall of the slot, and the inclined support plate and the vertical plate are fixed in series through the bolt and the connecting piece.

[0010] Preferably, the spacing of the limiting block fixed to the top end of the inclined support plate corresponds to the position of the positioning hole, and the limiting block is clamped in the inside of the positioning slot.

[0011] Preferably, the positioning plate is clamped and supported at the top end of the protection stake and the inclined support plate through the positioning slot and the positioning hole, and the length of the positioning plate is consistent with the length of the inclined support plate.

[0012] Preferably, a trapezoidal space is arranged between the protection stake and the protection structure, and the trapezoidal space between the protection stake and the protection structure is filled with the filling soil.

[0013] Compared with the related art, the high water level sandy soil deep foundation pit supporting device has the following beneficial effects:

[0014] The utility model provides a high water level sandy soil deep foundation pit supporting device, first in the deep foundation pit's periphery hits the protection stake, makes the protection stake will deep foundation pit fender in the inside, then through the protection stake inboard soil layer carries out the cleaning, and according to the position of the premeasurement mark, the fixed structure is fixed on the ground of deep foundation pit, makes the fixed structure become the fulcrum of supporting the bottom end of the protection structure, then the bottom end of the protection structure is clamped on the fixed structure, makes the fixed structure the position of the protection structure fixes, at this time the protection structure and the protection stake between the protection stake will form trapezoidal space, and the space between the protection structure and the protection stake top end becomes this space's opening, fills in the filling soil through this opening to its internal space, and makes the filling soil fills this space, further makes the filling soil to the inclined support plate and the protection stake supports, makes the protection stake support more stable, then the positioning structure is clamped in the protection stake and the top end of the protection structure, closes its opening, and can the protection stake and the top end of the protection structure support and fix, this device has the advantages of convenient reduction construction length, reduces the cost investment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a preferred embodiment structure schematic view of the high water level sandy soil deep foundation pit supporting device provided by the utility model;

[0016] Figure 2 As Figure 1 The structural diagram of the connecting piece shown in the figure;

[0017] Figure 3 As Figure 1 The structural diagram of the fixing structure shown in the figure;

[0018] Figure 4 As Figure 1 The structural diagram of the pile guard viewed from above and in parallel shown in the figure;

[0019] Figure 5 As Figure 1 The structural diagram of the positioning structure shown in the figure;

[0020] Figure 6 As Figure 1 The structural diagram of the inclined support plate shown in the figure.

[0021] The figure label: 1, pile guard, 2, filling soil, 3, positioning structure, 31, positioning plate, 32, positioning groove, 33, positioning hole, 4, protection structure, 41, inclined support plate, 42, vertical plate, 43, connecting piece, 44, connecting groove, 45, threaded hole, 46, limiting block, 5, fixing structure, 51, fixing groove, 52, bolt, 53, connecting plate, 54, insertion hole. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figures 1-6 Among them Figure 1 The structural diagram of a preferred embodiment of the high water level sandy soil deep foundation pit support device provided by the utility model; Figure 2 As Figure 1 The structural diagram of the connecting piece shown in the figure; Figure 3 As Figure 1 The structural diagram of the fixing structure shown in the figure; Figure 4 As Figure 1 The structural diagram of the pile guard viewed from above and in parallel shown in the figure; Figure 5 As Figure 1 The structural diagram of the positioning structure shown in the figure; Figure 6 As Figure 1The structure diagram of the inclined bracing plate is shown; the high water level sandy soil deep foundation pit supporting device comprises: a pile guard 1; a positioning structure 3 is clamped at the top end of the pile guard 1, the positioning structure 3 comprises a positioning plate 31, a positioning groove 32 and a positioning hole 33, the positioning groove 32 is arranged on the bottom surface of one end of the positioning plate 31, and the positioning hole 33 is arranged on the side wall of the other end of the positioning plate 31; a fixed structure 5 is fixed to the edge of the bottom surface inside the foundation pit, the fixed structure 5 comprises a fixed groove 51, a bolt 52, a connecting plate 53 and a plug hole 54, the fixed groove 51 is fixed to one end of the connecting plate 53, the other end of the connecting plate 53 is provided with the plug hole 54, and the bolt 52 is fixed to the position of the connecting plate 53 by penetrating the plug hole 54; a protection structure 4 is installed between the positioning plate 31 and the fixed groove 51, the protection structure 4 comprises an inclined bracing plate 41, a vertical plate 42 and a connecting piece 43, the vertical plate 42 is vertically inserted into the inside of the fixed groove 51, and the inclined bracing plate 41 is connected to the top end of the vertical plate 42 through the connecting piece 43.

[0024] In the specific implementation process, as shown in Figure 1 、 Figure 4 and Figure 5 , the length of the pile guard 1 is greater than the depth of the foundation pit, and the pile guard 1 is a square enclosure around the periphery inside the foundation pit, and the positioning plate 31 is clamped at the top end of the pile guard 1 through the positioning groove 32; so as to make the pile guard 1 become the peripheral support point of the foundation pit, and make the pile guard 1 become the first line of defense for supporting sandy soil, and the spacing between the pile guard 1 and the inclined bracing plate 41 can also be supported and positioned through the positioning plate 31.

[0025] In the specific implementation process, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 6 , the protection structure 4 further comprises a connecting groove 44, a threaded hole 45 and a limiting block 46, the connecting groove 44 is arranged at both ends of the connecting piece 43, the threaded hole 45 is arranged on the side wall of the connecting groove 44, and the limiting block 46 is fixed to the top end of the inclined bracing plate 41; the bottom end of the inclined bracing plate 41 and the top end side wall of the vertical plate 42 are provided with the threaded hole 45 corresponding to the side wall of the connecting groove 44, and the inclined bracing plate 41 and the vertical plate 42 are both fixed in series with the connecting piece 43 through bolts; the spacing of the limiting block 46 fixed to the top end of the inclined bracing plate 41 corresponds to the position of the positioning hole 33, and the limiting block 46 is clamped in the inside of the positioning groove 32; so as to fix the inclined bracing plate 41 and the vertical plate 42 together through the connecting piece 43, and make the inclined bracing plate 41 and the vertical plate 42 support and position between the fixed groove 51 and the positioning plate 31, so as to form a protective wall.

[0026] In the specific implementation process, as shown in Figure 1 The positioning plate 31 is clamped and supported at the top end of the guard pile 1 and the inclined support plate 41 through the positioning slot 32 and the positioning hole 33, and the length of the positioning plate 31 is consistent with the length of the inclined support plate 41; a trapezoidal space is arranged between the guard pile 1 and the protection structure 4, and the trapezoidal space between the guard pile 1 and the protection structure 4 is filled with the filling soil 2; the space between the guard pile 1 and the protection structure 4 is filled with the filling soil 2, so that the inside is in a solid state, and the stability of the guard pile 1 and the protection structure 4 is increased.

[0027] The working principle of the high-water-level sandy soil deep foundation pit supporting device is as follows:

[0028] In use, first, the guard pile 1 is driven into the deep foundation pit, the bottom end of the guard pile 1 is deeply inserted into the inside of the deep foundation pit foundation, the guard pile 1 is surrounded at the periphery of the deep foundation pit, then the soil quality on the inside of the guard pile 1 is cleaned, then the positions of the inclined support plate 41 and the vertical plate 42 are measured inward from the guard pile 1 as a point, first, according to the position of the vertical plate 42, the fixing slot 51 is installed at the measured position through the connecting plate 53, and the fixing plate is fixed in the foundation pit through the insertion of the bolt 52 through the insertion hole 54, then the vertical plate 42 is inserted into the fixing slot 51, then the connecting piece 43 is clamped at the top end of the vertical plate 42 through the connecting slot 44, and is fixed in series through bolts in a staggered manner, then the inclined support plate 41 is inserted into the connecting slot 44 at the top end of the connecting piece 43, the position of the inclined support plate 41 is aligned with the position of the vertical plate 42, and is also fixed in series through bolts, so that the inclined support plate 41 and the vertical plate 42 are connected together through the connecting and fixing, and a certain spacing is arranged between the top end of the inclined support plate 41 and the top end of the guard pile 1, the filling soil 2 is filled into the space between the guard pile 1 and the vertical plate 42 through the spacing, the filling soil 2 fills the inside space, then the positioning plate 31 is covered directly above the opening, and the positioning plate 31 is clamped at the top end of the guard pile 1 and the inclined support plate 41 through the positioning slot 32 and the positioning hole 33, and is connected together, the filling soil 2 can greatly enhance the supporting strength of the guard pile 1, and the inclined support plate 41 and the vertical plate 42 can further enhance the protection strength of the deep foundation pit, and the device has the advantages of reducing construction time and reducing cost investment.

[0029] Compared with the related art, the high-water-level sandy soil deep foundation pit supporting device has the following advantages:

[0030] The utility model provides a kind of high water level sandy soil deep foundation pit supporting device, first, the pile 1 is driven in the periphery of deep foundation pit, the pile 1 is kept in the interior with deep foundation pit, then the soil layer inside the pile 1 is cleaned, and according to the position of prior measurement mark, the fixed structure 5 is fixed on the ground of deep foundation pit, so that the fixed structure 5 becomes the fulcrum of the bottom end of the protection structure 4, then the bottom end of the protection structure 4 is engaged on the fixed structure 5, so that the fixed structure 5 is fixed to the position of the protection structure 4, at this time, the protection structure 4 and the pile 1 between it will form trapezoidal space, and the space between the protection structure 4 and the pile 1 top end becomes the opening of this space, fill the filling soil 2 in its internal space through this opening, and make the filling soil 2 fill this space, and then make the filling soil 2 support the inclined bracing plate 41 and the pile 1, so that the pile 1 is more stable, then the positioning structure 3 is engaged in the top of the pile 1 and the protection structure 4, and its opening is closed, and the top of the pile 1 and the protection structure 4 can be supported and fixed, this device has the advantages of reducing construction time, reducing cost investment.

[0031] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A high water table sandy soil deep foundation pit support device, characterized in that, Comprising; guard pile (1); Positioning structure (3), the positioning structure (3) is engaged in the top end of the guard pile (1), the positioning structure (3) includes positioning plate (31), positioning slot (32) and positioning hole (33), the positioning slot (32) is located in the bottom surface of one end of the positioning plate (31), the positioning hole (33) is located in the side wall of the other end of the positioning plate (31); Fixed structure (5), the fixed structure (5) is fixed to the edge of the inside bottom of foundation pit, the fixed structure (5) includes fixed slot (51), bolt (52), connecting plate (53) and insertion hole (54), the fixed slot (51) is fixed to one end of the connecting plate (53), the other end of the connecting plate (53) is provided with the insertion hole (54), and the bolt (52) is fixed to the position of the connecting plate (53) by penetrating the insertion hole (54) into the ground of foundation pit; Protective structure (4), the protective structure (4) is installed between the positioning plate (31) and the fixed slot (51), the protective structure (4) includes inclined bracing plate (41), vertical plate (42) and connecting piece (43), the vertical plate (42) is inserted into the inside of the fixed slot (51) vertically, the inclined bracing plate (41) is connected to the top end of the vertical plate (42) through the connecting piece (43).

2. The high water table sandy soil deep foundation pit support device according to claim 1, characterized in that, The length of the guard pile (1) is greater than the depth of the foundation pit, and the guard pile (1) is square and encloses the periphery inside the foundation pit, and the positioning plate (31) is engaged with the top end of the guard pile (1) through the positioning slot (32).

3. The high water table sandy soil deep foundation pit support device according to claim 1, characterized in that, The protective structure (4) further includes a receiving groove (44), a threaded hole (45) and a limiting block (46), the receiving groove (44) is provided at both ends of the connecting piece (43), the threaded hole (45) is provided on the side wall of the receiving groove (44), and the limiting block (46) is fixed to the top end of the inclined bracing plate (41).

4. The deep excavation support system for high water table sandy soil according to claim 3, wherein The bottom end of the inclined bracing plate (41) and the top end side wall of the vertical plate (42) are provided with the threaded hole (45) corresponding to the side wall of the receiving groove (44), and the inclined bracing plate (41) and the vertical plate (42) are both fixed in series with the connecting piece (43) through bolts.

5. The deep excavation support system for high water table sandy soil according to claim 3, wherein The spacing of the limiting block (46) fixed to the top end of the inclined bracing plate (41) corresponds to the position of the positioning hole (33), and the limiting block (46) is engaged in the inside of the positioning slot (32).

6. The deep excavation support system for high water table sandy soil according to claim 3, wherein The positioning plate (31) is supported on the top end of the guard pile (1) and the inclined bracing plate (41) by being engaged through the positioning slot (32) and the positioning hole (33), and the length of the positioning plate (31) is consistent with the length of the inclined bracing plate (41).

7. The deep excavation support system for high water table sandy soil according to claim 1, wherein A trapezoidal space is provided between the guard pile (1) and the protective structure (4), and the trapezoidal space between the guard pile (1) and the protective structure (4) is filled with fill soil (2).

Images