An assembled variable height steel structure foundation

Abstract

The present invention relates to the technical field of assembled steel structures, and specifically to an assembled variable height steel structure foundation, wherein a plurality of lower support tubes distributed in an array are arranged above a bottom plate, an upper support tube is sleeved on the upper end of the lower support tube, and a horizontally extending partition is arranged inside the upper support tube; the lower end of the screw is threadedly assembled on the upper end of the lower support tube, a driving mechanism corresponding to the screw is arranged above the partition, a first through-hole is arranged on the side wall of the upper support tube, and a driving member extends toward the driving mechanism after passing through the first through-hole to drive the screw to rotate; a top plate is detachably connected to the top of the upper support tube, and a plurality of connecting columns distributed in an array are arranged above the top plate for detachably connecting a steel structure main beam. The foundation structure provided in the present application can be used multiple times, greatly reducing the construction period, and the height adjustment of the steel structure main beam is achieved by using screws, which has good applicability to untreated foundation pits and saves costs. Steel nails are arranged below the bottom plate, and the steel nails can resist the lateral force in the soil and improve the support stability.

Description

Technical Field

[0001] The present invention belongs to the technical field of assembled steel structures, and in particular relates to an assembled variable-height steel structure foundation. Background Art

[0002] Existing prefabricated steel structure buildings usually need to be leveled before they can be erected, and the treated foundation pit or concrete foundation is difficult to dismantle and transport for secondary use, which results in high construction costs and a long construction period. For some buildings that need to be built quickly, the existing steel structure cannot be adjusted quickly, so there are technical defects that it is difficult to apply to foundation pits that have not been leveled and difficult to use multiple times.

[0003] Therefore, it is necessary to provide an improved technical solution to address the above-mentioned deficiencies in the prior art. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and the present invention provides an assembled variable height steel structure foundation.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] An assembled variable height steel structure foundation, comprising:

[0007] A bottom plate, wherein steel nails are arranged below the bottom plate, and a plurality of lower support cylinders distributed in an array are arranged above the bottom plate, wherein an upper support cylinder is sleeved on the upper end of the lower support cylinder, and a horizontally extending partition is arranged inside the upper support cylinder;

[0008] A screw, wherein the lower end of the screw is threadedly assembled on the upper end of the lower support tube, and the upper end of the screw is rotatably connected to the partition plate. A driving mechanism corresponding to the screw is provided above the partition plate, and a first through hole corresponding to the driving mechanism is provided on the side wall of the upper support tube. The driving member passes through the first through hole and extends to the driving mechanism to drive the screw to rotate;

[0009] A top plate is detachably connected to the top of the upper support tube, and a plurality of connecting columns distributed in an array are provided above the top plate for detachably connecting the main beam of the steel structure.

[0010] Preferably, the driving mechanism comprises:

[0011] A driven bevel gear, the driven bevel gear being fixed to the upper end of the screw;

[0012] A driving bevel gear is assembled on the inner wall of the upper support cylinder through a main shaft and correspondingly meshes with the driven bevel gear.

[0013] Preferably, one end of the main shaft of the active bevel gear is rotatably connected to the inner wall of the upper support cylinder, and the other end is rotatably connected to the first through hole. An inner six holes are provided at one end of the main shaft corresponding to the first through hole, and a hexagonal prism corresponding to the inner six holes is provided at the end of the driving member.

[0014] Preferably, the driving member is a crank or a hand wheel.

[0015] Preferably, an assembly groove corresponding to the lower support tube is provided above the bottom plate, and the assembly groove is adapted to the cross section of the upper support tube.

[0016] Preferably, the assembly grooves are distributed in a circular array or a square array.

[0017] Preferably, the assembly slots are square and there are four of them;

[0018] The lower support tube is a solid square column, and the upper support tube is a square tube adapted to the assembly groove.

[0019] Preferably, the top plate is fixed to the top of the upper support tube by bolts, and the edge of the top plate is provided with a skirt plate corresponding to the cover buckle on the bottom plate.

[0020] Preferably, the connecting column is provided with a pin hole extending radially therethrough, and the end of the steel structure main beam is provided with a sleeve corresponding to the connecting column, and the sleeve is provided with a second through hole corresponding to the pin hole so as to fix the sleeve by a pin shaft.

[0021] Preferably, there are a plurality of steel nails, and the steel nails are inserted downward into the soil.

[0022] Beneficial effects: The foundation structure provided by the application can be used multiple times, greatly reducing the construction period, using screws to adjust the height of the steel structure main beam, which has good applicability to untreated foundation pits and saves costs. Steel nails are provided under the bottom plate to resist the lateral force in the soil and improve the support stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. Among them:

[0024] Figure 1 A schematic diagram of the steel structure foundation structure in a specific embodiment provided by the present invention;

[0025] Figure 2 This is a structural schematic diagram of a bottom plate in a specific embodiment provided by the present invention;

[0026] Figure 3 A schematic structural diagram of a top plate in a specific embodiment provided by the present invention;

[0027] Figure 4 A schematic diagram of the connection between the top plate and the upper support cylinder in a specific embodiment provided by the present invention;

[0028] Figure 5 This is a schematic diagram of the screw assembly in a specific embodiment provided by the present invention;

[0029] Figure 6 It is a schematic diagram of the installation of the top plate and the kit in the specific embodiment provided by the present invention;

[0030] Figure 7 This is a schematic diagram of the installation of the steel structure main beam in the specific embodiment provided by the present invention.

[0031] In the figure: 1. bottom plate; 2. steel nails; 3. mounting sleeve; 4. lower support tube; 5. driving member; 6. upper support tube; 7. top plate; 8. connecting column; 9. partition; 10. screw rod; 11. rib plate; 12. adjusting screw hole; 13. pin hole; 14. main shaft; 15. driving bevel gear; 16. driven bevel gear; 17. steel structure main beam; 18. kit; 19. pin shaft. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0033] In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0035] In order to effectively solve the problem that the foundation structure of existing prefabricated buildings is difficult to adapt to untreated foundation pits and difficult to use multiple times, the present application provides a prefabricated variable height steel structure foundation, such as Figure 1-7 As shown, it includes a bottom plate 1, a screw rod 10 and a top plate 7. The bottom plate 1 is a metal plate or a precast concrete plate. A steel nail 2 is provided on the lower surface of the bottom plate 1. There can be multiple steel nails 2, and the multiple steel nails 2 are distributed in an array on the lower surface of the bottom plate 1. The steel nails 2 are inserted downward into the soil. The steel nails 2 can resist the lateral force in the soil and improve the support stability.

[0036] A plurality of lower support tubes 4 distributed in an array are arranged above the bottom plate 1, the lower ends of the lower support tubes 4 are supported on the bottom plate 1, and the upper ends are sleeved with an upper support tube 6, the inner holes of the upper support tube 6 are matched with the lower support tube 4, and a horizontally extending partition 9 is arranged inside the upper support tube 6, and the partition 9 is arranged inside the upper support tube 6 by welding or bolting, and an adjusting screw hole 12 corresponding to the screw 10 is arranged at the upper end of the lower support tube 4, and the lower end of the screw 10 is threadedly assembled on the upper end of the lower support tube 4, and the upper end of the screw 10 is rotatably connected to the partition 9. Specifically, a limiting flange corresponding to the partition 9 is provided on the outer wall of the screw 10, so as to stop the partition 9, and the third through hole on the partition 9 is matched with the screw 10, thereby forming a rotatably connected connection structure, and a driving mechanism corresponding to the screw 10 is provided above the partition 9, and the driving mechanism can The horizontal torque is transmitted to the screw 10. The side wall of the upper support tube 6 is provided with a first through hole corresponding to the driving mechanism. The driving member 5 passes through the first through hole and extends to the driving mechanism to drive the screw 10 to rotate. When the screw 10 rotates, it can be lifted and lowered in the adjusting screw hole 12 of the lower support tube 4, thereby achieving the purpose of adjusting the height. The top plate 7 is connected to the top of the upper support tube 6 in a detachable manner. The top plate 7 is used to support the steel structure main beam 17. The top plate 7 is located at the connection node of multiple steel structure main beams 17. A plurality of connecting columns 8 distributed in an array are provided above the top plate 7. The connecting columns 8 are detachably connected to the steel structure main beam 17, so that multiple steel structure main beams 17 can be supported at the same time. Under the adjustment of the screw 10, rapid lifting and lowering can be met, which has good applicability to untreated foundation pits and saves costs.

[0037] In an optional embodiment, the driving mechanism includes a driven bevel gear 16 and a driving bevel gear 15, and the driven bevel gear 16 and the driving bevel gear 15 are adapted to each other. The driven bevel gear 16 is concentrically assembled on the upper end of the screw 10, and the lower surface of the driven bevel gear 16 is stopped on the upper surface of the partition 9, thereby satisfying the relative position fixation of the screw 10 and the partition 9. The driving bevel gear 15 is assembled on the inner wall of the upper support cylinder 6 through the main shaft 14, and the driving bevel gear 15 corresponds to the meshing driven bevel gear 16, and its main shaft 14 extends horizontally, so that it can be docked with the driving member 5 to realize the driving of the screw 10.

[0038] In this embodiment, one end of the main shaft 14 of the active bevel gear 15 is rotatably connected to the inner wall of the upper support tube 6 through a bearing seat or other structure, and the other end of the main shaft 14 is rotatably connected to the first through hole. A baffle corresponding to the inner and outer sides of the side wall of the upper support tube 6 can be provided on the main shaft 14, so that the active bevel gear 15 can be stably rotatably connected to the upper support tube 6. An inner six holes are provided at one end of the main shaft 14 corresponding to the first through hole, and a hexagonal prism corresponding to the inner six holes is provided at the end of the driving member 5, so that the main shaft 14 can be driven by inserting the driving member 5 into the inner six holes. The main shaft 14 and the active bevel gear 15 are fixedly connected, so that the driven bevel gear 16 can be driven. The driving member 5 is a crank or a hand wheel, which reduces the difficulty of operation and improves the convenience of adjustment.

[0039] In an optional embodiment, an assembly groove corresponding to the lower support tube 4 is provided above the bottom plate 1 , and the assembly groove is square and matched with the cross section of the upper support tube 6 , thereby improving the compactness of the assembly.

[0040] In an optional embodiment, the assembly grooves are set according to the number of main beams at the nodes of the steel structure to be assembled, and the assembly grooves are distributed in a circular array or a square array. For example, when the main beams 17 of the steel structure are cross-shaped, in this scheme, a square mounting sleeve 3 is provided above the base plate 1, and two cross-shaped baffles are provided inside the square mounting sleeve 3, thereby dividing the inner wall of the square mounting sleeve 3 into four directional grooves corresponding to the upper support tube 6.

[0041] When the steel structure main beams 17 are radially distributed at the nodes, multiple assembly grooves are evenly distributed (annular array) in the circumference of the same circle, thereby meeting the radial distribution connection requirements between multiple steel structure main beams 17. In this solution, a circular mounting sleeve 3 is provided above the base plate 1, and the mounting sleeve 3 is divided into multiple parts by multiple radially distributed baffles inside the mounting sleeve 3. The corresponding upper support tube 6 is a fan-shaped structure adapted thereto and having a corresponding cross-sectional outer contour.

[0042] In this embodiment, a plurality of ribs 11 are provided on the outer wall of the installation sleeve 3 to support the installation sleeve 3 and ensure the structural strength of the connection.

[0043] In this embodiment, the assembly grooves are square in shape and there are four of them. Accordingly, the lower support tube 4 is a solid square column, and the upper support tube 6 is a square tube that fits the assembly grooves.

[0044] In an optional embodiment, the top plate 7 is fixed to the top of the upper support tube 6 by bolts, and a fourth through hole is provided on the top plate 7 facing the upper support tube 6, and a corresponding screw hole is provided on the top of the upper support tube 6, so that the top plate 7 can be detachably connected, and a skirt plate corresponding to the cover buckle on the bottom plate 1 is provided on the edge of the top plate 7, which is used to protect the lower support tube 4, the upper support tube 6 and the internal bolts on the bottom plate 1 to avoid poor lifting and loss caused by rain erosion.

[0045] In an optional embodiment, the connecting column 8 is provided with a pin hole 13 which passes through the connecting column 8 in the radial direction, and the end of the steel structure main beam 17 is provided with a sleeve 18 corresponding to the connecting column 8. The sleeve 18 is located at the end of the steel structure main beam 17 and is fixed by welding. A second through hole corresponding to the pin hole 13 is provided on the sleeve 18 so as to fix the sleeve 18 by a pin shaft 19.

[0046] The connecting column 8 may be square or round corresponding to the kit 18. To facilitate installation, the connecting column 8 may be configured as a conical frustum or a conical square table.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. An assembled variable height steel structure foundation, characterized in that: include: A bottom plate, wherein steel nails are arranged below the bottom plate, and a plurality of lower support cylinders distributed in an array are arranged above the bottom plate, wherein an upper support cylinder is sleeved on the upper end of the lower support cylinder, and a horizontally extending partition is arranged inside the upper support cylinder; A screw, wherein the lower end of the screw is threadedly assembled on the upper end of the lower support tube, and the upper end of the screw is rotatably connected to the partition plate. A driving mechanism corresponding to the screw is provided above the partition plate, and a first through hole corresponding to the driving mechanism is provided on the side wall of the upper support tube. The driving member passes through the first through hole and extends to the driving mechanism to drive the screw to rotate; A top plate, the top plate is detachably connected to the top of the upper support tube, and a plurality of connecting columns distributed in an array are provided above the top plate for detachably connecting to the main beam of the steel structure; The top plate is fixed to the top of the upper support cylinder by bolts, and the edge of the top plate is provided with a skirt plate corresponding to the cover buckle on the bottom plate; An assembly groove corresponding to the lower support tube is provided above the bottom plate, and the assembly groove is adapted to the cross section of the upper support tube; the assembly grooves are distributed in a square array, and when the main beams of the steel structure are cross-shaped, a square mounting sleeve is provided above the bottom plate, and two cross-shaped baffles are provided inside the square mounting sleeve, thereby dividing the inner wall of the square mounting sleeve into four directional grooves corresponding to the upper support tube; or the assembly grooves are distributed in a ring array, and when the main beams of the steel structure are radially distributed at the nodes, a plurality of assembly grooves are evenly distributed in the circumference of the same circle, and a circular mounting sleeve is provided above the bottom plate, and the mounting sleeve is divided into a plurality of pieces by a plurality of radially distributed baffles inside the mounting sleeve, and the corresponding upper support tube is a fan-shaped structure adapted thereto and having a corresponding cross-sectional outer contour; The assembly slots are square and there are four of them; The lower support tube is a solid square column, and the upper support tube is a square tube adapted to the assembly groove; The connecting column is provided with a pin hole which penetrates radially thereof, and the end of the steel structure main beam is provided with a sleeve corresponding to the connecting column. The sleeve is provided with a second through hole corresponding to the pin hole so as to fix the sleeve by a pin shaft.

2. The assembled variable height steel structure foundation according to claim 1 is characterized in that: The driving mechanism comprises: A driven bevel gear, the driven bevel gear being fixed to the upper end of the screw; A driving bevel gear is assembled on the inner wall of the upper support cylinder through a main shaft and correspondingly meshes with the driven bevel gear.

3. The assembled variable height steel structure foundation according to claim 2 is characterized in that: One end of the main shaft of the active bevel gear is rotatably connected to the inner wall of the upper support cylinder, and the other end is rotatably connected in the first through hole. An inner six holes are provided at one end of the main shaft corresponding to the first through hole, and a hexagonal prism corresponding to the inner six holes is provided at the end of the driving member.

4. The assembled variable height steel structure foundation according to claim 3 is characterized in that: The driving member is a crank or a hand wheel.

5. The assembled variable height steel structure foundation according to claim 1 is characterized in that: There are a plurality of steel nails, and the steel nails are inserted downward into the soil.

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