Road and bridge foundation pile

Abstract

The utility model provides a road and bridge foundation pile, which relates to the technical field of road engineering and comprises a concrete base. The bottom face of the concrete base is flat, four vertical through holes are formed in the concrete base, and fixing stand columns are inserted into the holes downwards. The first shaping protection wall is fixed on a concrete base through a fixing stand column, the first shaping protection wall and the second shaping protection wall are fixedly connected through a connecting pair, a vertical pouring cavity is formed in the first shaping protection wall and the second shaping protection wall, supporting is carried out on the two sides through a supporting arm, concrete is poured into the pouring cavity, and shaping is carried out through the first shaping protection wall and the second shaping protection wall before solidification. After solidification is completed, most parts can be detached and reused, and the reserved concrete base and the reinforced concrete stand column are combined into a whole; reinforced concrete stand columns with different heights can be obtained by adjusting the number of the stacked second shaping protection walls and adjusting the height of the pouring cavity; the problem that the height of a reinforced concrete stand column obtained through pouring of an existing road and bridge foundation pile is fixed, and consequently the use range is limited is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of road engineering, and more specifically, relates to a road bridge foundation pile. Background Art

[0002] Foundation piles are needed in road and bridge projects. In order to bear the gravity load on the road surface and the weight of the road itself, the foundation piles have high requirements for mechanical properties such as compression and shear resistance. Generally, concrete is used as the main body with steel bars added inside as reinforcement.

[0003] Based on the above, existing road and bridge foundation piles are inconvenient to install or disassemble during use, resulting in some parts being unable to be disassembled and reused after the concrete pouring work is completed. The production cost of the foundation piles is high; and the height of the reinforced concrete foundation piles is fixed, and their scope of application is limited. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a road bridge foundation pile to solve the problem that the reinforced concrete columns obtained by pouring existing road bridge foundation piles are fixed in height, resulting in limitations in their scope of use.

[0005] The utility model provides a road bridge foundation pile, which is achieved by the following specific technical means:

[0006] A road and bridge foundation pile includes a concrete base; the bottom surface of the concrete base is flat, and four vertical through holes are opened on the concrete base, and fixed columns are inserted downward into the holes, and the upper ends of the fixed columns have flanges; a pair of first plastic guard walls are placed on the concrete base, and a second plastic guard wall is placed in array on the first plastic guard wall, and the first plastic guard wall and the second plastic guard walls are fixedly connected to each other by a connecting pair, and a pouring cavity is formed between the first plastic guard wall and the second plastic guard wall, and steel bars are placed vertically in the pouring cavity, and the height of the steel bars is higher than the pouring cavity, the lower end of the steel bar is limited in the first plastic guard wall cavity by a lower limit frame, and the upper end is clamped on the upper end of the uppermost second plastic guard wall by an upper limit frame; a pair of second plastic guard walls are supported on both sides by a group of supporting arms.

[0007] Furthermore, the first shaping guard wall includes a guard wall A, a fixed base plate is provided on the outer side of the bottom of the guard wall A, and an avoidance groove is opened on the fixed base plate; the fixed column is inserted into the avoidance groove, and the flange is clamped on the upper end surface of the fixed base plate.

[0008] Furthermore, a connecting plate A is provided on the outer side of the top of the guard wall A of the first shaping guard wall; the second shaping guard wall includes a guard wall B, and a connecting plate B is provided on the outer side of the bottom and top of the guard wall B; the connecting plate A of the first shaping guard wall and the connecting plate B of the second shaping guard wall at the lower end are fixedly connected by a connecting pair; the connecting plate B on the upper side of the next group of adjacent second shaping guard walls and the connecting plate B on the lower side of the previous group are also fixedly connected by a connecting pair.

[0009] Furthermore, the supporting arm includes a side guard plate, which is tightly attached to the outer wall of the guard wall B of a second shaping guard wall, and the upper end is clamped on the connecting plate B; one side of the side guard plate is fixedly connected to two groups of first rotating seats, and the first rotating seat is rotatably connected to a load-bearing rod, and the other end of the load-bearing rod is rotatably connected to the second rotating seat, and the second rotating seat is fixedly connected to a ground cone.

[0010] Furthermore, through holes are opened at corresponding positions on the side guard plates of the support arms on both sides, and screws are horizontally inserted into the through holes of the side guard plates. There are locking nuts on both sides of the screws, and the locking nuts on both sides are respectively stuck on the outer sides of the two groups of side guard plates.

[0011] Furthermore, the lower limit frame includes a flat plate composed of crossed long steel plates, the flat plate is placed at the bottom of the pouring cavity, and support plates are fixedly connected at both ends of the flat plate. The support plates are supported on the inner wall of the pouring cavity, and a vertical fixed sleeve is provided on the flat plate; the lower end of the steel bar is inserted into the fixed sleeve of the lower limit frame.

[0012] Furthermore, the upper limit frame includes a horizontal plate composed of crossed long steel plates, with claws fixedly connected at both ends of the horizontal plate, the claws are clamped on the top surface of the second shaping guard wall at the top, and a through hole is opened on the horizontal plate, and the steel bar is inserted into the through hole.

[0013] Furthermore, the protective wall A of the first shaped protective wall is provided with clamping grooves A on both sides; the protective wall B of the second shaped protective wall is provided with clamping grooves B on both sides, and anti-seepage interlayers are inserted into the clamping grooves A and B, and the anti-seepage interlayers block the joints between the first shaped protective wall and the second shaped protective wall, and between the second shaped protective walls.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model is provided with a first shaping guard wall and a second shaping guard wall. The first shaping guard wall is fixed on the concrete base through a fixed column. The first shaping guard wall and the second shaping guard wall are fixedly connected by a connecting pair. A vertical pouring cavity is formed therein. The supporting arms are used on both sides to support concrete. Concrete is poured into the pouring cavity. Before solidification, the first shaping guard wall and the second shaping guard wall are used to shape the concrete. After solidification, most of the parts can be disassembled and reused. The retained concrete base and the reinforced concrete column are integrated into one. By adjusting the number of stacked second shaping guard walls and adjusting the height of the pouring cavity, reinforced concrete columns of different heights can be obtained.

[0016] 2. The utility model sets a lower limit frame and an upper limit frame to fix the steel bars before pouring, thereby ensuring that the steel bars in the reinforced concrete column obtained after pouring are strictly arranged longitudinally, thereby improving the bearing capacity of the foundation pile.

[0017] 3. The utility model sets an anti-seepage interlayer, and uses the anti-seepage interlayer to block the joints between the first plastic protective wall and the second plastic protective wall, and between the second plastic protective walls before pouring concrete into the pouring cavity; thereby preventing concrete from leaking outward from the joints between the first plastic protective wall and the second plastic protective wall, and between the second plastic protective walls during the concrete pouring process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 It is a schematic diagram of the internal structure of the present utility model.

[0020] Figure 3 It is a structural schematic diagram of the first shaping protective wall of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the second shaping protective wall of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the upper limit frame of the utility model.

[0023] Figure 6 It is a structural schematic diagram of the support arm of the utility model.

[0024] Figure 7 This utility model Figure 2 A partial enlarged view of point A in the middle.

[0025] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0026] 1. Concrete base; 2. Fixed column; 3. First shaped guard wall; 301. Guard wall A; 3011. Clamping groove A; 302. Fixed bottom plate; 3021. Avoidance groove; 303. Connecting plate A; 4. Second shaped guard wall; 401. Guard wall B; 4011. Clamping groove B; 402. Connecting plate B; 5. Connecting pair; 6. Rebar; 7. Lower limit frame; 701. Flat plate; 702. Support plate; 703. Fixed sleeve; 8. Upper limit frame; 801. Cross plate; 802. Claw; 9. Support arm; 901. Side guard plate; 902. First rotating seat; 903. Load-bearing rod; 904. Second rotating seat; 905. Ground cone; 10. Screw; 11. Locking nut; 12. Anti-seepage interlayer. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. Example

[0028] As attached Figure 1 To the attached Figure 7 As shown:

[0029] The utility model provides a road and bridge foundation pile, comprising a concrete base 1; the bottom surface of the concrete base 1 is flat, and four vertical through holes are opened on the concrete base 1, and fixed columns 2 are inserted downward into the holes, and the upper ends of the fixed columns 2 are provided with flanges; a pair of first plastic guard walls 3 are placed on the concrete base 1, and second plastic guard walls 4 are placed in array on the first plastic guard walls 3, and the first plastic guard walls 3 and the second plastic guard walls 4 are fixedly connected to each other by connecting pairs 5, and a pouring cavity is formed between the first plastic guard walls 3 and the second plastic guard walls 4, and steel bars 6 are placed vertically in the pouring cavity, and the height of the steel bars 6 is higher than the pouring cavity, and the lower end of the steel bars 6 is limited in the cavity of the first plastic guard wall 3 by a lower limiting frame 7, and the upper end is clamped on the upper end of the uppermost second plastic guard wall 4 by an upper limiting frame 8; a pair of second plastic guard walls 4 are supported on both sides by a group of supporting arms 9.

[0030] Among them, such as Figure 3 As shown, the first shaping guard wall 3 includes a guard wall A301, a fixed bottom plate 302 is provided on the outer side of the bottom of the guard wall A301, and an avoidance groove 3021 is opened on the fixed bottom plate 302; Figure 1 As shown, the fixed column 2 is inserted into the avoidance groove 3021, and the flange is clamped on the upper end surface of the fixed base plate 302; the fixed column 2 is inserted into the ground, and the first shaping guard wall 3 is fixed on the concrete base 1 through the fixed column 2.

[0031] Among them, such as Figure 3 As shown, a connecting plate A303 is provided on the outer side of the top of the protective wall A301 of the first shaping protective wall 3; Figure 4As shown, the second shaping guard wall 4 includes a guard wall B401, and a connecting plate B402 is provided on the outer side of the bottom and top of the guard wall B401; Figure 1 As shown, the connecting plate A303 of the first shaping protective wall 3 and the connecting plate B402 of the second shaping protective wall 4 at the lowest end are fixedly connected by a connecting pair 5; the connecting plate B402 on the upper side of the next group of adjacent second shaping protective walls 4 and the connecting plate B402 on the lower side of the previous group are also fixedly connected by a connecting pair 5; the first shaping protective wall 3 and the second shaping protective wall 4 are connected by the connecting pair 5 to form a vertical pouring cavity inside, and concrete is subsequently injected into the pouring cavity. Before solidification, the concrete is shaped by the first shaping protective wall 3 and the second shaping protective wall 4; and the first shaping protective wall 3 and the second shaping protective wall 4 can be disassembled from both sides after the concrete solidifies, so that they can be reused.

[0032] Among them, such as Figure 1 and Figure 6 As shown, the supporting arm 9 includes a side guard plate 901, which is tightly attached to the outer wall of the guard wall B401 of a second shaping guard wall 4, and the upper end is clamped on the connecting plate B402; one side of the side guard plate 901 is fixedly connected to two groups of first rotating seats 902, and the first rotating seat 902 is rotatably connected to a load-bearing rod 903, and the other end of the load-bearing rod 903 is rotatably connected to the second rotating seat 904, and the second rotating seat 904 is fixedly connected to a ground cone 905; the supporting arm 9 is set on both sides of the pouring cavity, and the ground cone 905 is wedged into the ground for fixation, and the foundation pile is supported by the load-bearing rod 903.

[0033] Among them, such as Figure 1 As shown, through holes are opened at corresponding positions on the side guard plates 901 of the supporting arms 9 on both sides, and screws 10 are horizontally inserted into the through holes of the side guard plates 901. There are locking nuts 11 on both sides of the screws 10, and the locking nuts 11 on both sides are respectively clamped on the outside of the two groups of side guard plates 901; the side guard plates 901 on both sides are clamped by the screws 10 and the locking nuts 11, and the side guard plates 901 clamp the pouring cavity, thereby preventing the concrete in the pouring cavity from cracking horizontally to both sides during the solidification process.

[0034] Among them, such as Figure 2 and Figure 7 As shown, the lower limit frame 7 includes a flat plate 701 composed of long steel plates crossed, the flat plate 701 is placed at the bottom of the pouring chamber, and the two ends of the flat plate 701 are fixedly connected with support plates 702, which are supported on the inner wall of the pouring chamber. A vertical fixed sleeve 703 is set on the flat plate 701; the lower end of the steel bar 6 is inserted into the fixed sleeve 703 of the lower limit frame 7; Figure 1 and Figure 5As shown, the upper limit frame 8 includes a horizontal plate 801 composed of crossed long steel plates, and claws 802 are fixedly connected at both ends of the horizontal plate 801. The claws 802 are clamped on the top surface of the second shaping protective wall 4 at the top. A through hole is opened on the horizontal plate 801, and the steel bars 6 are inserted into the through hole; the steel bars 6 are fixed by the lower limit frame 7 and the upper limit frame 8 before pouring, ensuring that the steel bars 6 in the foundation pile obtained after pouring are strictly arranged along the longitudinal direction, thereby improving the bearing capacity of the foundation pile.

[0035] Among them, such as Figure 3 As shown, the first shaping wall 3 has a retaining wall A301 on both sides with a clamping groove A3011; Figure 4 As shown, the two sides of the protective wall B401 of the second shaping protective wall 4 are provided with clamping grooves B4011, as shown in FIG. Figure 2 As shown, an anti-seepage interlayer 12 is inserted into the clamping groove A3011 and the clamping groove B4011, and the anti-seepage interlayer 12 blocks the joints between the first plastic protective wall 3 and the second plastic protective wall 4, and between the second plastic protective walls 4; and prevents the concrete from leaking out from the joints between the first plastic protective wall 3 and the second plastic protective wall 4, and between the second plastic protective walls 4 during the concrete pouring process.

[0036] The specific usage and function of this embodiment are as follows:

[0037] In the present invention, the lower limit frame 7 is placed in the center of the concrete base 1, and the steel bar 6 is inserted into the fixed sleeve 703 of the lower limit frame 7 to fix and support the steel bar 6. Then, the first shaped guard wall 3 is docked on both sides of the lower limit frame 7, and the fixed column 2 is inserted downward into the through hole of the concrete base 1. The lower end of the fixed column 2 is inserted into the ground, and the upper end is inserted through the avoidance groove 3021 of the first shaped guard wall 3 and the flange is stuck on the upper end surface of the fixed bottom plate 302; the second shaped guard wall 4 is stacked above the first shaped guard wall 3, and the first shaped guard wall 3 and the second shaped guard wall 4 are fixedly connected to each other by a connecting pair 5, forming a vertical perfusion cavity inside; the upper limit frame 8 is placed on the upper side of the second shaped guard wall 4 at the upper end, and the steel bar 6 is inserted through the through hole of the upper limit frame 8 Hole, the claw 802 of the upper limit frame 8 is clamped on the top surface of the second shaping guard wall 4 at the upper end; the supporting arm 9 is set on both sides of the pouring cavity, the side guard plate 901 is tightly attached to a pair of second shaping guard wall 4 outer walls of the guard wall B401, and the upper end is clamped on the connecting plate B402, the ground cone 905 is wedged into the ground for fixation, and the foundation pile is supported by the load-bearing rod 903; the screw 10 is inserted into the through hole of the side guard plate 901, and the side guard plates 901 on both sides are clamped by the screw 10 and the locking nut 11, and the side guard plates 901 clamp the pouring cavity; concrete is poured into the pouring cavity through the upper limit frame 7, and the disassembly work is performed after the concrete solidifies, leaving only the concrete base 1, fixed column 2, steel bar 6 concrete and lower limit frame 7, and the concrete base 1 and the steel bar 6 concrete column are combined into one.

[0038] Anything not described in detail in the present invention is well known to those skilled in the art.

Claims

1. A road bridge foundation pile, comprising a concrete base (1); the concrete base (1) has a flat bottom surface, is provided with four vertical through holes, into which fixed columns (2) are inserted downwardly, and has a flange at the upper end of the fixed column (2); and is characterized in that: A pair of first shaped protective walls (3) are placed on the concrete base (1), and a second shaped protective wall (4) is arranged on the first shaped protective wall (3). The first shaped protective wall (3) and the second shaped protective wall (4) are fixedly connected to each other by a connecting pair (5). A pouring cavity is formed between the first shaped protective wall (3) and the second shaped protective wall (4). A steel bar (6) is placed vertically in the pouring cavity. The height of the steel bar (6) is higher than the pouring cavity. The lower end of the steel bar (6) is limited in the cavity of the first shaped protective wall (3) by a lower limiting frame (7), and the upper end is clamped on the upper end of the uppermost second shaped protective wall (4) by an upper limiting frame (8); a pair of second shaped protective walls (4) are supported on both sides by a group of supporting arms (9).

2. A road bridge foundation pile according to claim 1, characterized in that: The first shaping guard wall (3) comprises a guard wall A (301), a fixed base plate (302) is provided on the outer side of the bottom of the guard wall A (301), and an avoidance groove (3021) is provided on the fixed base plate (302); the fixed column (2) is inserted into the avoidance groove (3021), and the flange is clamped on the upper end surface of the fixed base plate (302).

3. The road bridge foundation pile according to claim 1, characterized in that: A connecting plate A (303) is provided on the outer side of the top of the guard wall A (301) of the first shaping guard wall (3); the second shaping guard wall (4) includes a guard wall B (401), and connecting plates B (402) are provided on the outer side of the bottom and top of the guard wall B (401); the connecting plate A (303) of the first shaping guard wall (3) and the connecting plate B (402) of the second shaping guard wall (4) at the bottom are fixedly connected by a connecting pair (5); the connecting plates B (402) on the upper side of the next group of adjacent second shaping guard walls (4) and the connecting plates B (402) on the lower side of the previous group are also fixedly connected by a connecting pair (5).

4. A road bridge foundation pile according to claim 1, characterized in that: The supporting arm (9) comprises a side guard plate (901), the side guard plate (901) being closely attached to the outer wall of a guard wall B (401) of a second shaping guard wall (4), and the upper end of the side guard plate (901) being clamped on the connecting plate B (402); one side of the side guard plate (901) is fixedly connected to two sets of first rotating seats (902), a load-bearing rod (903) being rotatably connected to the first rotating seat (902), the other end of the load-bearing rod (903) being rotatably connected to the second rotating seat (904), and a ground cone (905) being fixedly connected to the second rotating seat (904).

5. The road bridge foundation pile according to claim 1, characterized in that: The side guard plates (901) of the support arms (9) on both sides are provided with through holes at corresponding positions, and screw rods (10) are inserted transversely into the through holes of the side guard plates (901). Locking nuts (11) are provided on both sides of the screw rods (10), and the locking nuts (11) on both sides are respectively clamped on the outer sides of the two sets of side guard plates (901).

6. The road bridge foundation pile according to claim 1, characterized in that: The lower limit frame (7) comprises a flat plate (701) formed by crossing long steel plates. The flat plate (701) is placed at the bottom of the pouring cavity. Support plates (702) are fixedly connected at both ends of the flat plate (701). The support plates (702) are supported on the inner wall of the pouring cavity. A vertical fixed sleeve (703) is provided on the flat plate (701). The lower end of the steel bar (6) is inserted into the fixed sleeve (703) of the lower limit frame (7).

7. The road bridge foundation pile according to claim 1, characterized in that: The upper limit frame (8) includes a horizontal plate (801) formed by crossing long steel plates, and claws (802) are fixedly connected to both ends of the horizontal plate (801). The claws (802) are clamped on the top surface of the second shaping protective wall (4) at the top. A through hole is opened on the horizontal plate (801), and the steel bar (6) is inserted into the through hole.

8. The road bridge foundation pile according to claim 1, characterized in that: The protective wall A (301) of the first shaped protective wall (3) is provided with clamping grooves A (3011) on both sides; the protective wall B (401) of the second shaped protective wall (4) is provided with clamping grooves B (4011) on both sides, and an anti-seepage interlayer (12) is inserted into the clamping grooves A (3011) and the clamping grooves B (4011), and the anti-seepage interlayer (12) blocks the joints between the first shaped protective wall (3) and the second shaped protective wall (4), and between the second shaped protective walls (4).

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