Deep foundation pit complex working condition supporting structure for fabricated super high-rise office building construction

Abstract

The utility model relates to a deep foundation pit complex working condition supporting structure for assembly type super high-rise office building construction, which belongs to the technical field of deep foundation pit supporting structures and comprises a supporting column, a plurality of connecting ribs are fixed at the top end of the supporting column, a circular plate is inserted into the top end of the supporting column, and an inserting hole is formed in the bottom surface of the circular plate. A sealing mechanism is arranged on the supporting column, and a connecting mechanism is arranged on the circular plate. The sealing mechanism comprises a fixed supporting plate fixed to the peripheral wall of the supporting column, a sealing plate is fixed to the top face of the supporting plate, a sealing groove is formed in the bottom face of the circular plate, and a sealing gasket is fixed to the inner top wall of the sealing groove. According to the fabricated deep foundation pit complex working condition supporting structure for super high-rise office building construction, gaps between the supporting columns and the circular plates are sealed through the sealing mechanisms, concrete slurry is prevented from flowing out during concrete pouring, convenience is provided for concrete pouring, practicability is better, and application and popularization are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit supporting structures, in particular to a deep foundation pit complex working condition supporting structure for the construction of assembled super high-rise office buildings. Background Art

[0002] In order to ensure the safety of the underground main structure construction and the surrounding environment of the foundation pit, it is necessary to set up a support structure to temporarily support, reinforce and protect the foundation pit, and dismantle it after the construction is completed. The support of reinforced concrete structure is widely used in deep foundation pit projects due to its high rigidity, good integrity and flexible layout.

[0003] For example, a Chinese patent (publication number: CN213417842U) discloses an assembled deep foundation pit support structure, including a plurality of support piles arranged at intervals along the edge of the foundation pit and a crown beam module connected one-to-one with the plurality of support piles, adjacent crown beam modules are spliced ​​and connected, an anchoring steel bar is reserved at the upper end of the support pile, a first groove matching the cross-sectional size of the support pile is provided on the bottom surface of the crown beam module, a through hole is provided in the middle of the first groove, the anchoring steel bar is inserted into the first groove, and concrete is poured through the through hole to fix the support pile and the crown beam module, thereby solving the problems of on-site energy consumption, material consumption, labor consumption and poor construction quality, and because an assembled installation is adopted, the noise during the construction process is greatly reduced; and after the project is completed, the assembled deep foundation pit support components can be dismantled according to the on-site conditions, and the prefabricated crown beam modules and the corresponding support piles can be circulated and reused.

[0004] However, the above-mentioned search patent still has some shortcomings. There is a lack of sealing structure between the top of the supporting pile and the crown beam assembly. When pouring concrete into the through hole for vibrating, the concrete slurry will flow out through the gap between the top of the supporting pile and the crown beam assembly, affecting the pouring of concrete. It is inconvenient to use. Therefore, a complex working condition support structure for deep foundation pits for the construction of prefabricated super-high-rise office buildings is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a complex working condition support structure for deep foundation pits for the construction of prefabricated super-high-rise office buildings, which has the advantages of good sealing and easy concrete pouring, and solves the problem that the above-mentioned search patent lacks a sealing structure between the top of the support pile and the crown beam block, and the concrete slurry will flow out through the gap between the top of the support pile and the crown beam block, affecting the concrete pouring.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a complex working condition support structure for deep foundation pits used in the construction of assembled super-high-rise office buildings, comprising a support column, a plurality of connecting ribs are fixed to the top of the support column, a circular plate is plugged into the top of the support column, a plug-in hole is opened on the bottom surface of the circular plate, a sealing mechanism is provided on the support column, and a connecting mechanism is provided on the circular plate;

[0007] The sealing mechanism comprises a fixing support plate fixed on the outer peripheral wall of the supporting column, a sealing plate is fixed on the top surface of the support plate, a sealing groove is opened on the bottom surface of the circular plate, and a sealing gasket is fixed on the inner top wall of the sealing groove.

[0008] Further, the connecting mechanism includes a circular bin rotatably connected to the top surface of the circular plate, the top surface of the circular bin is provided with a casting hole, two mounting plates are fixed on the inner circumferential wall of the circular bin, the top surface of the mounting plate is rollingly connected with a ball passing through the mounting plate, an annular groove is provided on the outer circumferential wall of the circular plate, two assembly grooves connected to the annular groove are provided on the top surface of the circular plate, two casting grooves are provided on the top surface of the circular bin, two mounting grooves respectively connected to the two casting grooves are provided on the outer circumferential wall of the circular bin, a U-shaped pad is fixed on the inner bottom wall of the mounting groove, and reinforcing ribs are clamped in the mounting groove.

[0009] Furthermore, the support column is a reinforced concrete structural cylinder, and the bottom end of the connecting bar extends to the inside of the support column, and the plug-in hole is a circular hole.

[0010] Furthermore, the support plate, sealing plate, sealing groove and sealing gasket are all annular structures, and the support plate, circular plate and supporting column are all located on the same central axis.

[0011] Furthermore, the sealing groove is gap-matched with the sealing plate, the sealing pad is an elastic rubber pad, the top surface of the sealing plate abuts against the sealing pad, and the bottom surface of the circular plate abuts against the supporting plate.

[0012] Furthermore, concrete is poured in the plug hole and the pouring groove, and a mounting hole for mounting a ball and allowing the ball to roll therein is opened on the top surface of the mounting plate.

[0013] Furthermore, the two mounting plates are opposite to each other on the left and right, the two assembly grooves are opposite to each other on the left and right, the mounting plates extend into the annular groove, the inner top wall of the circular bin contacts the top surface of the circular plate and the two are slidably connected.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. When using the complex working condition support structure for deep foundation pits used in the construction of prefabricated super-high-rise office buildings, the circular plate is hoisted to the top of the support column and the top of the plate is inserted into the plug-in hole. At this time, the sealing plate provided by the sealing mechanism cooperates with the sealing gasket to seal the gap between the support column and the circular plate to prevent the concrete slurry from flowing out when the concrete is poured and vibrated in the plug-in hole, which provides convenience for the pouring of concrete, is more practical, and is easier to promote and use.

[0016] 2. The prefabricated super-high-rise office building construction deep foundation pit complex working condition support structure, after the circular plate and the supporting column are fixed by pouring concrete, the circular bin is rotated so that the installation groove on its outer peripheral wall is opposite to the installation groove on the adjacent supporting column, so as to facilitate the installation of reinforcing ribs to strengthen the connection between the two adjacent supporting columns. At the same time, the circular bin is rotated so that it can be connected with the supporting column in any direction, which is convenient for adapting to the complex working conditions of the deep foundation pit. The circular bin is assembled on the circular plate through the assembly groove, which makes it easy to disassemble and recycle, further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the utility model;

[0018] Figure 2 This is a front cross-sectional schematic diagram of the circular bin of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the circular plate of the utility model.

[0020] In the figure: 1 supporting column, 2 connecting ribs, 3 circular plate, 4 plug-in holes, 501 supporting plate, 502 sealing plate, 503 sealing groove, 504 sealing pad, 601 circular bin, 602 casting hole, 603 mounting plate, 604 ball bearing, 605 annular groove, 606 assembly groove, 607 casting groove, 608 mounting groove, 609 U-shaped pad, 610 reinforcing ribs. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2The complex working condition support structure for deep foundation pit for the construction of assembled super high-rise office building in this embodiment includes a support column 1, a plurality of connecting ribs 2 are fixed to the top of the support column 1, a circular plate 3 is plugged into the top of the support column 1, and a plug hole 4 is opened on the bottom surface of the circular plate 3. The support column 1 is a reinforced concrete structure cylinder, and the bottom end of the connecting rib 2 extends to the inside of the support column 1. The plug hole 4 is a circular hole. The support column 1 is provided with a sealing mechanism. When in use, the circular plate 3 is hoisted to the top of the support column 1 and the top of the circular plate 3 is inserted into the plug hole 4. Inside the hole 4, the gap between the supporting column 1 and the circular plate 3 is sealed by a sealing mechanism to prevent the concrete slurry from flowing out when the concrete is poured and vibrated in the plug-in hole 4, thereby providing convenience for the pouring of concrete, better practicality, and easier to promote and use. A connecting mechanism is provided on the circular plate 3. It should be noted that the supporting column 1 is an existing public technology, and its installation position and installation method are common knowledge possessed by technical personnel in this field. Therefore, the installation of the supporting column 1 in the foundation pit is no longer described in detail in this article.

[0023] See also Figure 2 The sealing mechanism includes a fixed support plate 501 fixed on the outer peripheral wall of the supporting column 1, a sealing plate 502 is fixed on the top surface of the support plate 501, a sealing groove 503 is opened on the bottom surface of the circular plate 3, and a sealing gasket 504 is fixed on the inner top wall of the sealing groove 503. When in use, the circular plate 3 is hoisted to the top of the supporting column 1, and the top of the circular plate 3 is inserted into the inside of the plug-in hole 4. At this time, the support plate 501 contacts the bottom surface of the circular plate 3, and the sealing plate 502 is inserted into the sealing groove 503 to squeeze the sealing gasket 504, so that the connection between the circular plate 3 and the supporting column 1 is sealed, and then concrete can be poured into the plug-in hole 4, and the concrete cooperates with the connecting rib 2 to fix the circular plate 3 to the supporting column 1.

[0024] The support plate 501, the sealing plate 502, the sealing groove 503, and the sealing gasket 504 are all annular structures. The support plate 501, the circular plate 3, and the support column 1 are all located on the same central axis. The sealing groove 503 and the sealing plate 502 are clearance-matched. The sealing gasket 504 is an elastic rubber gasket. The top surface of the sealing plate 502 abuts against the sealing gasket 504, and the bottom surface of the circular plate 3 abuts against the support plate 501.

[0025] See also Figure 2-3In this embodiment, the connection mechanism includes a circular bin 601 rotatably connected to the top surface of the circular plate 3, a casting hole 602 is provided on the top surface of the circular bin 601, two mounting plates 603 are fixed on the inner peripheral wall of the circular bin 601, a ball 604 that penetrates the mounting plate 603 is rollingly connected to the top surface of the mounting plate 603, and an annular groove 605 is provided on the outer peripheral wall of the circular plate 3. When multiple support columns 1 are installed, the circular bin 601 is rotated to cooperate with the ball 604 on the mounting plate 603 to rotate along the annular groove 605. The top surface of the circular plate 3 is provided with two mounting holes connected to the annular groove 605. A matching groove 606 is provided, two casting grooves 607 are provided on the top surface of the circular bin 601, and two mounting grooves 608 respectively connected to the two casting grooves 607 are provided on the outer peripheral wall of the circular bin 601. A U-shaped pad 609 is fixed on the inner bottom wall of the mounting groove 608, and a reinforcing rib 610 is clamped in the mounting groove 608. Further, when the mounting grooves 608 on two adjacent supporting columns 1 are opposite to each other, the two ends of a reinforcing rib 610 are respectively placed in the mounting grooves 608 on the two adjacent supporting columns 1, and the ends thereof are extended into the casting groove 607, and then concrete is poured into the casting groove 607 to fix it.

[0026] After the circular plate 3 and the supporting column 1 are fixed by pouring concrete, the circular bin 601 is rotated so that the installation groove 608 on its outer wall is opposite to the installation groove 608 on the adjacent supporting column 1, so as to facilitate the installation of the reinforcing rib 610 to strengthen the connection between the two adjacent supporting columns 1. At the same time, the circular bin 601 is rotated so that it can be connected to the supporting column 1 in any direction, so as to adapt to the complex working conditions of the deep foundation pit. The circular bin 601 is assembled on the circular plate 3 through the assembly groove 606, so that it is easy to disassemble and recycle, thereby further improving the practicality of the device.

[0027] See also Figure 2-3 , the plug-in hole 4 and the casting groove 607 are poured with concrete, and the top surface of the mounting plate 603 is provided with a mounting hole for mounting the ball 604 and allowing the ball 604 to roll therein, the two mounting plates 603 are opposite to each other on the left and right, and the two assembly grooves 606 are opposite to each other on the left and right, and the mounting plate 603 extends to the inside of the annular groove 605. When disassembling the supporting structure, the circular bin 601 can be rotated after the reinforcement rib 610 is removed, and the mounting plate 603 and the assembly groove 606 are opposite to each other up and down, so that the circular bin 601 can be moved upward to remove the circular bin 601 and then the plug-in hole 4 can be disassembled, and the inner top wall of the circular bin 601 is in contact with the top surface of the circular plate 3 and the two are slidably connected.

[0028] The working principle of the above embodiment is:

[0029] (1) When in use, the circular plate 3 is hoisted to the top of the support column 1 and the top of the circular plate 3 is inserted into the plug hole 4. At this time, the support plate 501 contacts the bottom surface of the circular plate 3, and the sealing plate 502 is inserted into the sealing groove 503 to squeeze the sealing gasket 504, so that the connection between the circular plate 3 and the support column 1 is sealed. Then, concrete can be poured into the plug hole 4. The concrete cooperates with the connecting ribs 2 to fix the circular plate 3 to the support column 1.

[0030] (2) After multiple support columns 1 are installed, the circular bin 601 is rotated to cooperate with the ball bearing 604 on the mounting plate 603 to rotate along the annular groove 605. When the mounting grooves 608 on two adjacent support columns 1 are opposite to each other, the two ends of a reinforcing rib 610 are respectively placed in the mounting grooves 608 on the two adjacent support columns 1, and the ends are extended into the casting groove 607. Then, concrete is poured into the casting groove 607 to fix it. When disassembling the supporting structure, after removing the reinforcing rib 610, the circular bin 601 can be rotated so that the mounting plate 603 and the assembly groove 606 are opposite to each other up and down, and the circular bin 601 can be moved upward to be removed, and then the plug hole 4 can be disassembled.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep foundation pit complex working condition support structure for the construction of an assembled super high-rise office building, comprising a support column (1), characterized in that: A plurality of connecting ribs (2) are fixed to the top of the support column (1), a circular plate (3) is plugged into the top of the support column (1), a plugging hole (4) is provided on the bottom surface of the circular plate (3), a sealing mechanism is provided on the support column (1), and a connecting mechanism is provided on the circular plate (3); The sealing mechanism comprises a support plate (501) fixed on the outer peripheral wall of the support column (1), a sealing plate (502) being fixed on the top surface of the support plate (501), a sealing groove (503) being provided on the bottom surface of the circular plate (3), and a sealing gasket (504) being fixed on the inner top wall of the sealing groove (503).

2. The complex working condition support structure for deep foundation pit for construction of prefabricated super high-rise office building according to claim 1 is characterized by: The connection mechanism comprises a circular bin (601) rotatably connected to the top surface of a circular plate (3), a casting hole (602) being provided on the top surface of the circular bin (601), two mounting plates (603) being fixed on the inner peripheral wall of the circular bin (601), a ball (604) penetrating the mounting plate (603) being rollingly connected to the top surface of the mounting plate (603), an annular groove (605) being provided on the outer peripheral wall of the circular plate (3), and the circular plate (601) being provided with a plurality of holes (602) for casting. 3) is provided with two assembly grooves (606) connected with the annular groove (605), the top surface of the circular bin (601) is provided with two casting grooves (607), the outer peripheral wall of the circular bin (601) is provided with two installation grooves (608) respectively connected with the two casting grooves (607), a U-shaped pad (609) is fixed on the inner bottom wall of the installation groove (608), and a reinforcing rib (610) is clamped in the installation groove (608).

3. The complex working condition support structure for deep foundation pit for construction of prefabricated super high-rise office building according to claim 1 is characterized in that: The support column (1) is a reinforced concrete structural cylinder, the bottom end of the connecting bar (2) extends into the interior of the support column (1), and the insertion hole (4) is a circular hole.

4. The complex working condition support structure for deep foundation pit for construction of prefabricated super high-rise office building according to claim 1 is characterized in that: The support plate (501), the sealing plate (502), the sealing groove (503), and the sealing gasket (504) are all annular structures, and the support plate (501), the circular plate (3), and the supporting column (1) are all located on the same central axis.

5. The complex working condition support structure for deep foundation pit used in the construction of prefabricated super high-rise office buildings according to claim 1 is characterized in that: The sealing groove (503) and the sealing plate (502) are clearance-matched, the sealing pad (504) is an elastic rubber pad, the top surface of the sealing plate (502) abuts against the sealing pad (504), and the bottom surface of the circular plate (3) abuts against the supporting plate (501).

6. The complex working condition support structure for deep foundation pit for construction of prefabricated super high-rise office building according to claim 2 is characterized by: Concrete is poured into the plug hole (4) and the pouring groove (607), and a mounting hole for mounting the ball (604) and allowing the ball (604) to roll inside the mounting plate (603) is provided on the top surface of the mounting plate (603).

7. The complex working condition support structure for deep foundation pit used in the construction of prefabricated super high-rise office buildings according to claim 2 is characterized in that: The two mounting plates (603) are opposite to each other on the left and right, the two assembly grooves (606) are opposite to each other on the left and right, the mounting plates (603) extend to the inside of the annular groove (605), the inner top wall of the circular bin (601) contacts the top surface of the circular plate (3) and the two are slidably connected.

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