Foundation pit occlusion type row pile support temporary reinforcing device

Abstract

The utility model discloses a foundation pit occlusion type row pile support temporary reinforcing device which comprises a top beam and a cross brace reinforcing mechanism, the cross brace reinforcing mechanism comprises a reinforcing supporting seat and a cross brace, and the reinforcing supporting seat comprises a steel plate frame installed on the top beam and two baffles symmetrically arranged on the steel plate frame and located on the two sides of the cross brace; each steel plate frame comprises a first vertical plate, an upper horizontal plate, a second vertical plate and a lower horizontal plate which are formed in sequence, the vertical extension directions of the upper horizontal plate and the lower horizontal plate relative to the second vertical plate are opposite, the upper horizontal plate is mounted at the top of the crown beam, and the two ends of the cross brace are supported on the second vertical plates of the two steel plate frames and between the two baffles. The interlocking type row pile support is simple in structure, temporary reinforcement is achieved through the reinforcing supporting seat and the transverse support, the two ends of the transverse support are limited through the steel plate frame and the baffle in the reinforcing supporting seat, the two ends of the transverse support are prevented from deviating and falling off, and the stability of the interlocking type row pile support is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support reinforcement, in particular to a foundation pit bite type pile row support temporary reinforcement device. Background Art

[0002] With the increasing development of urbanization, there are more and more high-rise buildings. Affected by the surrounding structures, interlocking pile support is widely used in foundation pit support of municipal engineering.

[0003] When the geological conditions are poor, affected by the geological side pressure, when the interlocking pile support shows a displacement warning, in order to avoid further displacement and ensure the safety of the foundation pit, the completed interlocking pile support project needs to be temporarily reinforced. Since it is a concrete pile, the ordinary measures for fixing it with steel pipe supports are relatively cumbersome and the firmness is not reliable, posing a safety hazard.

[0004] Therefore, a temporary reinforcement device for the interlocking pile support of the foundation pit is needed, which realizes temporary reinforcement by reinforcing the support seat and the cross brace, and the steel plate frame and baffle in the reinforced support seat are used to limit the two ends of the cross brace to prevent the two ends of the cross brace from offset and falling, thereby improving the stability of the interlocking pile support, reducing the hidden danger of foundation pit collapse, and ensuring the safety of foundation pit operations. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a temporary reinforcement device for foundation pit interlocking pile support in view of the deficiencies in the above-mentioned prior art. The device has a simple structure and a reasonable design. Temporary reinforcement is achieved by reinforcing a support seat and a cross brace, and a steel plate frame and a baffle in the reinforced support seat are used to limit the two ends of the cross brace to prevent the two ends of the cross brace from offsetting and falling, thereby improving the stability of the interlocking pile support, reducing the risk of foundation pit collapse, and ensuring the safety of foundation pit operations.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a temporary reinforcement device for foundation pit interlocking pile support, characterized in that it includes crown beams arranged on two rows of interlocking piles and a cross brace reinforcement mechanism arranged between the two crown beams;

[0007] The cross brace reinforcement mechanism comprises a reinforcement support seat arranged on two crown beams and a cross brace arranged between the two reinforcement support seats, and the length direction of the cross brace is arranged perpendicular to the length direction of the crown beam;

[0008] The reinforcement support seat comprises a steel plate frame mounted on the crown beam and two baffles symmetrically arranged on the steel plate frame and located on both sides of the cross brace;

[0009] The steel plate frame includes a first vertical plate, an upper horizontal plate, a second vertical plate and a lower horizontal plate which are formed in sequence. The upper horizontal plate and the lower horizontal plate extend perpendicularly and in opposite directions relative to the second vertical plate. The upper horizontal plate is installed on the top of the crown beam. Both ends of the cross brace are supported on the second vertical plates of the two steel plate frames and are located between the two baffles.

[0010] The above-mentioned temporary reinforcement device for foundation pit interlocking pile support is characterized in that: a plurality of mounting holes are arranged on the upper horizontal plate, expansion screws extending into the crown beam are passed through the mounting holes, and the expansion screws connect the steel plate frame and the crown beam.

[0011] The above-mentioned temporary reinforcement device for foundation pit interlocking pile support is characterized in that the spacing between the first vertical plate and the second vertical plate is the same as the width of the crown beam, the first vertical plate is attached to one side of the crown beam, and the second vertical plate is attached to the other side of the crown beam close to the cross brace.

[0012] The above-mentioned temporary reinforcement device for foundation pit interlocking pile support is characterized in that two symmetrically arranged U-shaped rings are arranged on the top of the first vertical plate.

[0013] The above-mentioned temporary reinforcement device for foundation pit interlocking pile support is characterized in that: the baffle includes an upper baffle, a vertical baffle and a lower baffle that are integrally formed, the vertical baffle is welded to the second vertical plate, the upper baffle is welded to the top of the upper horizontal plate, and the lower baffle is welded to the lower horizontal plate.

[0014] The above-mentioned temporary reinforcement device for foundation pit interlocking pile support is characterized in that two lifting holes are arranged on the side of the vertical baffle plate close to the second vertical plate.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The utility model arranges a reinforcement support seat on the crown beam, and a cross brace is arranged between two of the reinforcement support seats, thereby realizing temporary reinforcement of the foundation pit bite-type pile support.

[0017] 2. Two baffles are provided in the reinforced support seat of the utility model to limit the position of the cross brace supported on the second vertical plate to prevent the cross brace from deviating to the left and right and falling off; a steel plate frame is provided in the reinforced support seat to support the two ends of the cross brace on the second vertical plates of the two steel plate frames, and a lower horizontal plate is provided to support and limit the bottom of the cross brace to prevent the cross brace from deviating downward and falling off, thereby improving the stability of temporary support reinforcement.

[0018] To sum up, the utility model has a simple structure and a reasonable design. Temporary reinforcement is achieved by reinforcing the support seat and the cross brace, and the steel plate frame and the baffle in the reinforced support seat are used to limit the two ends of the cross brace, thereby preventing the two ends of the cross brace from offsetting and falling. The stability of the interlocking pile support is improved, the hidden danger of foundation pit collapse is reduced, and the safety of foundation pit operations is ensured.

[0019] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the steel plate frame of the utility model.

[0022] Description of reference numerals:

[0023] 1—Steel plate frame; 1-1—First vertical plate; 1-2—Upper horizontal plate;

[0024] 1-3—second vertical plate; 1-4—lower horizontal plate; 1-5—mounting hole;

[0025] 1-6—U-shaped ring; 2—baffle; 2-1—upper baffle;

[0026] 2-2—vertical baffle; 2-3—lower baffle; 2-4—lifting hole;

[0027] 4—Interlocking pile rows; 5—Crown beam; 6—Cross brace. DETAILED DESCRIPTION

[0028] like Figure 1 and Figure 2 As shown, the utility model includes a crown beam 5 arranged on two rows of interlocking piles 4 and a cross brace reinforcement mechanism arranged between the two crown beams 5;

[0029] The cross brace reinforcement mechanism includes a reinforcement support seat arranged on two crown beams 5 and a cross brace 6 arranged between the two reinforcement support seats, and the length direction of the cross brace 6 is arranged perpendicular to the length direction of the crown beam 5;

[0030] The reinforcement support seat comprises a steel plate frame 1 mounted on the crown beam 5 and two baffles 2 symmetrically arranged on the steel plate frame 1 and located on both sides of the cross brace 6;

[0031] The steel plate frame 1 includes a first vertical plate 1-1, an upper horizontal plate 1-2, a second vertical plate 1-3 and a lower horizontal plate 1-4 which are formed in sequence. The upper horizontal plate 1-2 and the lower horizontal plate 1-4 are perpendicular to and extend in opposite directions relative to the second vertical plate 1-3. The upper horizontal plate 1-2 is installed on the top of the crown beam 5. Both ends of the cross brace 6 are supported on the second vertical plates 1-3 of the two steel plate frames 1 and are located between the two baffles 2.

[0032] In this embodiment, a plurality of mounting holes 1 - 5 are provided on the upper horizontal plate 1 - 2 , and expansion screws extending into the crown beam 5 are passed through the mounting holes 1 - 5 , and the expansion screws connect the steel plate frame 1 and the crown beam 5 .

[0033] In this embodiment, the distance between the first vertical plate 1-1 and the second vertical plate 1-3 is the same as the width of the crown beam 5, the first vertical plate 1-1 is attached to one side of the crown beam 5, and the second vertical plate 1-3 is attached to the other side of the crown beam 5 close to the cross brace 6.

[0034] In this embodiment, two symmetrically arranged U-shaped rings 1-6 are provided on the top of the first vertical plate 1-1.

[0035] In this embodiment, the baffle 2 includes an integrally formed upper baffle 2-1, a vertical baffle 2-2 and a lower baffle 2-3, the vertical baffle 2-2 is welded to the second vertical plate 1-3, the upper baffle 2-1 is welded to the top of the upper horizontal plate 1-2, and the lower baffle 2-3 is welded to the lower horizontal plate 1-4.

[0036] In this embodiment, two lifting holes 2-4 are provided on the side of the vertical baffle 2-2 close to the second vertical plate 1-3.

[0037] In this embodiment, the interlocking pile row 4 includes plain concrete piles and reinforced concrete piles, and there is a reinforced concrete pile between two adjacent plain concrete piles.

[0038] In this embodiment, in actual use, the pile diameter of the reinforced concrete pile is larger than the pile diameter of the plain concrete pile, and the pile diameter of the reinforced concrete pile is the same as the width of the cap beam 5 .

[0039] In this embodiment, the upper horizontal plate 1-2 is provided to connect it to the crown beam 5 through expansion screws, thereby realizing the connection between the steel plate frame 1 and the crown beam 5;

[0040] The first vertical plate 1-1 and the second vertical plate 1-3 are set. On the one hand, the first vertical plate 1-1 is in contact with one side of the crown beam 5, and the second vertical plate 1-3 is in contact with the other side of the crown beam 5 close to the cross brace 6, so as to limit the steel plate frame 1 and prevent the steel plate frame 1 from slipping off the crown beam 5, thereby improving the connection stability between the steel plate frame 1 and the crown beam 5; on the other hand, the two ends of the cross brace 6 are supported on the second vertical plates 1-3 of the two steel plate frames 1, thereby improving the reinforcement stability.

[0041] In this embodiment, the lower horizontal plate 1-4 is provided to support and limit the bottom of the cross brace 6 to prevent the cross brace 6 from deviating downward and falling; and two baffles 2 are provided to limit the cross brace 6 supported on the second vertical plate 1-3 to prevent the cross brace 6 from deviating left and right and falling, thereby further improving the reinforcement stability.

[0042] In this embodiment, an upper baffle 2-1 is welded to the top of the upper horizontal plate 1-2, and the lower baffle 2-3 is welded to the lower horizontal plate 1-4. This is to improve the connection stability between the vertical baffle 2-2 and the steel plate frame 1 when the vertical baffle 2-2 is integrally formed with the upper baffle 2-1 and the lower baffle 2-3, thereby also improving the limiting stability of the baffle 2.

[0043] In this embodiment, the U-shaped ring 1-6 is provided so that after the cross brace 6 is supported between the two steel plate frames 1, a steel wire rope is wound around the end of the cross brace 6, and both ends of the steel wire rope are passed through the U-shaped ring 1-6 and fixed with a wire rope buckle to assist in reinforcing the cross brace 6.

[0044] In this embodiment, the hoisting holes 2 - 4 are provided to facilitate the lifting of the steel plate frame 1 so as to facilitate the installation of the steel plate frame 1 on the crown beam 5 .

[0045] When the utility model is used, the interlocking piles 4 are constructed along the side wall of the foundation pit, and the crown beams 5 are constructed on the interlocking piles 4, and then a plurality of reinforcement support seats are arranged along the length direction of each crown beam 5;

[0046] A cross brace 6 is installed between two corresponding reinforcement support seats, so that both ends of the cross brace 6 are supported on the second vertical plates 1-3 of the two steel plate frames 1 and are located between the two baffles 2;

[0047] A steel wire rope is wound around the end of the cross brace 6, and both ends of the steel wire rope are passed through the U-shaped ring 1-6 and then fixed with a steel wire rope buckle to assist in reinforcing the cross brace 6. The cross brace 6 supports two rows of interlocking piles 4 to achieve temporary reinforcement of the interlocking pile support for the foundation pit, avoid further displacement of the interlocking pile support, improve the stability of the interlocking pile support, reduce the risk of foundation pit collapse, and ensure the safety of foundation pit operations.

[0048] To sum up, the utility model has a simple structure and a reasonable design. Temporary reinforcement is achieved by reinforcing the support seat and the cross brace, and the steel plate frame and the baffle in the reinforced support seat are used to limit the two ends of the cross brace, thereby preventing the two ends of the cross brace from offsetting and falling. The stability of the interlocking pile support is improved, the hidden danger of foundation pit collapse is reduced, and the safety of foundation pit operations is ensured.

[0049] To sum up, the utility model has a simple structure and a reasonable design. Temporary reinforcement is achieved by reinforcing the support seat and the cross brace, and the steel plate frame and the baffle in the reinforced support seat are used to limit the two ends of the cross brace, thereby preventing the two ends of the cross brace from offsetting and falling. The stability of the interlocking pile support is improved, the hidden danger of foundation pit collapse is reduced, and the safety of foundation pit operations is ensured.

[0050] The above description is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiment according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A temporary reinforcement device for foundation pit interlocking pile support, characterized in that: It comprises a crown beam (5) arranged on two rows of interlocking piles (4) and a cross brace reinforcement mechanism arranged between the two crown beams (5); The cross brace reinforcement mechanism comprises a reinforcement support seat arranged on two crown beams (5) and a cross brace (6) arranged between the two reinforcement support seats, wherein the length direction of the cross brace (6) is arranged perpendicular to the length direction of the crown beam (5); The reinforcement support seat comprises a steel plate frame (1) mounted on the crown beam (5) and two baffles (2) symmetrically arranged on the steel plate frame (1) and located on both sides of the cross brace (6); The steel plate frame (1) comprises a first vertical plate (1-1), an upper horizontal plate (1-2), a second vertical plate (1-3) and a lower horizontal plate (1-4) which are formed in sequence, the upper horizontal plate (1-2) and the lower horizontal plate (1-4) are perpendicular to the second vertical plate (1-3) and extend in opposite directions, the upper horizontal plate (1-2) is installed on the top of the crown beam (5), and the two ends of the cross brace (6) are supported on the second vertical plates (1-3) of the two steel plate frames (1) and are located between the two baffles (2).

2. A temporary reinforcement device for foundation pit interlocking pile support according to claim 1, characterized in that: The upper horizontal plate (1-2) is provided with a plurality of mounting holes (1-5), the mounting holes (1-5) are provided with expansion screws extending into the crown beam (5), and the expansion screws connect the steel plate frame (1) and the crown beam (5).

3. A temporary reinforcement device for foundation pit interlocking pile support according to claim 1, characterized in that: The spacing between the first vertical plate (1-1) and the second vertical plate (1-3) is the same as the width of the crown beam (5); the first vertical plate (1-1) is in contact with one side of the crown beam (5), and the second vertical plate (1-3) is in contact with the other side of the crown beam (5) close to the cross brace (6).

4. A temporary reinforcement device for foundation pit interlocking pile support according to claim 1, characterized in that: Two symmetrically arranged U-shaped rings (1-6) are provided on the top of the first vertical plate (1-1).

5. A temporary reinforcement device for foundation pit interlocking pile support according to claim 1, characterized in that: The baffle (2) comprises an upper baffle (2-1), a vertical baffle (2-2) and a lower baffle (2-3) which are integrally formed; the vertical baffle (2-2) is welded to the second vertical plate (1-3); the upper baffle (2-1) is welded to the top of the upper horizontal plate (1-2); and the lower baffle (2-3) is welded to the lower horizontal plate (1-4).

6. A temporary reinforcement device for foundation pit interlocking pile support according to claim 5, characterized in that: Two lifting holes (2-4) are arranged on the side surface of the vertical baffle plate (2-2) close to the second vertical plate (1-3).

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