A concrete base for steel structure buildings

Abstract

This utility model discloses a concrete base for steel structure buildings, including a foundation pit, an installation plate placed in the foundation pit, a rod installed at the bottom of the installation plate and inserted into the inner wall of the foundation pit, an adjustment frame at the top of the installation plate and multiple connecting studs on the adjustment frame, and a concrete pier poured in the foundation pit. The installation plate, rod, and adjustment frame are all enclosed in the concrete pier. After the foundation pit is excavated, the installation plate is placed in the foundation pit and the rod is inserted into the inner wall of the foundation pit, thus initially fixing the installation plate in the foundation pit. The angle of the connecting studs is adjusted by the adjustment frame, thereby adjusting the connecting studs to a vertical state and fixing them. At this time, concrete is poured into the foundation pit to enclose the installation plate, rod, and adjustment frame. Finally, the concrete solidifies to form a concrete pier, thus ensuring that the connecting studs are ultimately in a vertical state, which facilitates the connection of the load-bearing columns of the steel structure building with the connecting studs to remain vertical.

Description

Technical Field

[0001] This utility model relates to the field of steel structure building technology, and in particular to a concrete base for steel structure buildings. Background Technology

[0002] Steel structure buildings are structures with load-bearing structures made of steel, typically consisting of beams, columns, trusses, and other components made of shaped steel and steel plates. Together with the roof, floors, and walls, they form an integrated building. The load-bearing columns of steel structure buildings usually require concrete bases for fixation, using multiple vertical connecting studs on the concrete bases to connect to the bottom of the load-bearing columns.

[0003] Most concrete bases currently used are precast or cast in place. When in use, the precast base is buried in the ground after the foundation pit is dug, or a concrete pier is cast in place in the foundation pit to provide a connection for the steel structure column. When burying the precast base or the cast-in-place base, it is necessary to keep the connecting studs vertical in order to ensure the verticality of the steel structure column installation and avoid the steel column tilting. When burying the precast base, the angle of the precast base needs to be adjusted repeatedly. When casting in place, the angle of the connecting studs also needs to be adjusted repeatedly to ensure that the connecting studs are vertical after the cast-in-place concrete has cured. The construction is troublesome and the adjustment is difficult. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a concrete base for steel structure buildings.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A concrete base for steel structure buildings includes a foundation pit, an installation plate placed inside the foundation pit, a rod installed at the bottom of the installation plate and inserted into the inner wall of the foundation pit, an adjustment frame provided at the top of the installation plate and multiple connecting studs provided on the adjustment frame, a concrete pier poured inside the foundation pit, and the installation plate, rod and adjustment frame all enclosed in the concrete pier.

[0007] Preferably, the top of the connecting stud extends through the top of the concrete pier, and both the concrete pier and the foundation pit are square platform structures that are smaller at the top and larger at the bottom.

[0008] Preferably, the adjusting frame includes a bottom frame and a top frame. The bottom frame is provided at the top of the mounting plate, and the top frame is provided at the top of the bottom frame. Two first fixing plates are fixedly installed on the mounting plate. One end of the bottom frame is rotatably installed in the two first fixing plates through a pin shaft. Two second fixing plates are fixedly installed on the top of the bottom frame. One end of the top frame is rotatably installed between the two second fixing plates through a pin shaft. Pulling grooves are formed at one end of the bottom frame away from the first fixing plate and one end of the top frame away from the second fixing plate. Fixed cylinders are fixedly installed on the top of the mounting plate and the top of the bottom frame. Screw rods are threadedly sleeved in the fixed cylinders. The two screw rods respectively penetrate through the two pulling grooves. Pulling balls are fixedly sleeved on the screw rods, and the pulling balls are movably clamped in the pulling grooves.

[0009] Preferably, the bottom frame is of a square structure, and the top frame is of an I-shaped structure. Connecting studs are fixedly installed at the four corners of the top of the top frame. Knobs are fixedly installed at the top of the screw rods, and the knobs at the top of the screw rods at the bottom frame extend to the inner cavity of the side wall of the top frame.

[0010] Preferably, the cross-section of the pulling groove is of a "middle" shape structure, and the widths of the top and bottom openings of the pulling groove are equal to the diameter of the screw rod. The inner wall of the middle part of the pulling groove is an arc structure that fits the pulling ball.

[0011] Preferably, the inserting rod includes a fixed rod. Fixed rods are fixedly installed at the four corners of the bottom of the mounting plate. Inserting cylinders are threadedly sleeved at the bottom of the fixed rods. The bottoms of the inserting cylinders are inserted into the bottom of the foundation pit. A plurality of movable rods are obliquely penetrated through the four sides of the mounting plate, and the movable rods are movably inserted into the inner wall of the foundation pit.

[0012] The concrete base for a steel structure building proposed by the present utility model has the beneficial effects that:

[0013] 1. When the mounting plate is placed in the foundation pit, after the inserting cylinder is inserted into the bottom of the foundation pit, the connecting studs at the top are exposed out of the foundation pit. Rotate the two screw rods respectively, then the screw rods move along the fixed cylinders. At this time, the pulling balls slide in the pulling grooves, and drive the bottom frame to rotate along the first fixing plate and the top frame to rotate along the second fixing plate, so as to adjust the verticality of the connecting studs in the XOZ and YOZ planes. Finally, measure the levelness of the top frame through the spirit level. When the top frame is kept level, the multiple connecting studs fixed on the top frame are kept vertical. At this time, pour concrete into the foundation pit to wrap the mounting plate, the inserting rod and the adjusting frame. Finally, the concrete solidifies to form a concrete pier, so as to ensure that the connecting studs are finally in a vertical state, which is convenient for the load-bearing columns of the steel structure building to be kept vertical after being connected with the connecting studs, and the construction is convenient and the precision is high;

[0014] 2. Depending on the depth of the pit, rotate the insert to adjust the distance between the insert and the mounting plate. When the mounting plate is placed in the pit, the insert is inserted into the bottom of the pit, so that the top of the connecting stud protrudes from the pit. When the mounting plate is placed in the pit, the movable rod slides upward first to facilitate the placement of the mounting plate. After the insert is inserted into the bottom of the pit, press down on the movable rod, and the movable rod tilts and inserts into the inner wall of the pit, further fixing the mounting plate. After the concrete is poured, the stability of the connection between the base and the ground is improved. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a concrete base for a steel structure building proposed in this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of a concrete base for a steel structure building proposed in this utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the adjustment frame proposed in this utility model;

[0018] Figure 4 The present utility model proposes Figure 2 Enlarged structural diagram of the middle section;

[0019] In the diagram: 1. Excavation pit; 2. Mounting plate; 3. Adjustment frame; 31. Base frame; 32. Top frame; 33. First fixing plate; 34. Second fixing plate; 35. Push-pull groove; 36. Fixing cylinder; 37. Screw; 38. Push-pull ball; 4. Connecting stud; 5. Insert rod; 51. Fixing rod; 52. Insert cylinder; 53. Movable rod; 6. Concrete pier Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Reference Figure 1 and Figure 2This application provides a concrete base for steel structure buildings, including a pit 1, an installation plate 2 placed in the pit 1, a rod 5 installed at the bottom of the installation plate 2, the rod 5 being inserted into the inner wall of the pit 1, an adjustment frame 3 at the top of the installation plate 2, and multiple connecting studs 4 on the adjustment frame 3. A concrete pier 6 is poured in the pit 1, and the installation plate 2, rod 5, and adjustment frame 3 are all enclosed in the concrete pier 6. After the pit 1 is excavated, the installation plate 2 is placed in the pit 1, and the rod 5 is inserted into the inner wall of the pit 1, thus initially fixing the installation plate 2 in the pit 1. The angle of the connecting studs 4 is adjusted by the adjustment frame 3, thereby adjusting the connecting studs 4 to a vertical state and fixing them. At this time, concrete is poured into the pit 1 to enclose the installation plate 2, rod 5, and adjustment frame 3. Finally, the concrete solidifies to form the concrete pier 6, thereby ensuring that the connecting studs 4 are ultimately in a vertical state, which facilitates the connection of the load-bearing columns of the steel structure building with the connecting studs 4 to remain vertical.

[0023] Reference Figure 2 The top of the connecting stud 4 penetrates through the top of the concrete pier 6. Both the concrete pier 6 and the foundation pit 1 are square platform structures with a smaller top and a larger bottom. The top of the connecting stud 4 penetrates through the concrete pier 6, ultimately forming a base with only the connecting stud 4 exposed. The concrete pier 6 and the foundation pit 1 are square platform structures, thereby improving the stability of the connection between the concrete base and the ground and providing stable base support for the steel structure building.

[0024] Reference Figures 2 to 4, the adjusting frame 3 includes a bottom frame 31 and a top frame 32. The bottom frame 31 is provided at the top of the mounting plate 2, and the top frame 32 is provided at the top of the bottom frame 31. Two first fixing plates 33 are fixedly installed on the mounting plate 2. One end of the bottom frame 31 is rotatably installed in the two first fixing plates 33 through a pin shaft. Two second fixing plates 34 are fixedly installed at the top of the bottom frame 31. One end of the top frame 32 is rotatably installed between the two second fixing plates 34 through a pin shaft. A push-pull groove 35 is formed at one end of the bottom frame 31 away from the first fixing plate 33 and at one end of the top frame 32 away from the second fixing plate 34. Fixed cylinders 36 are fixedly installed at the top of the mounting plate 2 and at the top of the bottom frame 31. Screw rods 37 are threadedly sleeved in the fixed cylinders 36. The two screw rods 37 respectively penetrate through the two push-pull grooves 35. Push-pull balls 38 are fixedly sleeved on the screw rods 37, and the push-pull balls 38 are movably clamped in the push-pull grooves 35. The bottom frame 31 is of a square structure with a hole in the middle, and the top frame 32 is of an I-shaped structure. Connecting studs 4 are fixedly installed at the four corners of the top of the top frame 32. Knobs are fixedly installed at the top of the screw rods 37, and the knobs at the top of the screw rods 37 at the bottom frame 31 extend to the inner cavity of the side wall of the top frame 32. The cross-section of the push-pull groove 35 is of a structure like the Chinese character 'zhong' (middle), and the width of the top and bottom openings of the push-pull groove 35 is equal to the diameter of the screw rod 37. The inner wall of the middle part of the push-pull groove 35 is an arc structure that fits the push-pull ball 38. After the mounting plate 2 is initially fixed in the foundation pit 1 through the insertion rods 5, the two screw rods 37 are rotated respectively. Then the screw rods 37 move along the fixed cylinders 36. At this time, the push-pull balls 38 slide in the push-pull grooves 35 and drive the bottom frame 31 to rotate along the first fixing plate 33 and the top frame 32 to rotate along the second fixing plate 34, so as to adjust the verticality of the connecting studs 4 in the XOZ and YOZ planes. Finally, the levelness of the top frame 32 is measured through a spirit level. When the top frame 32 is kept horizontal, the multiple connecting studs 4 fixed on the top frame 32 are kept in a vertical state. Then, after the concrete pier 6 is poured, the connecting studs 4 still remain vertical, thus providing an accurate installation base.

[0025] Refer to Figure 2 and Figure 3 , the insertion rod 5 includes a fixed rod 51. Fixed rods 51 are fixedly installed at the four corners of the bottom of the mounting plate 2. The bottom of the fixed rod 51 is threadedly sleeved with an insertion cylinder 52. The bottom of the insertion cylinder 52 is inserted into the bottom of the foundation pit 1. A plurality of movable rods 53 are obliquely penetrated through the periphery of the mounting plate 2. The movable rods 53 are movably inserted into the inner wall of the foundation pit 1. According to the depth of the foundation pit 1, the insertion cylinder 52 is rotated to adjust the distance from the insertion cylinder 52 to the mounting plate 2. When the mounting plate 2 is placed into the foundation pit, after the insertion cylinder 52 is inserted into the bottom of the foundation pit 1, the top of the connecting stud 4 is exposed out of the foundation pit 1. When the mounting plate 2 is placed into the foundation pit 1, the movable rods 53 first slide upward to facilitate the placement of the mounting plate 2. After the insertion cylinder 52 is inserted into the bottom of the foundation pit 1, the movable rods 53 are pressed down, and then the movable rods 53 are obliquely inserted into the inner wall of the foundation pit 1, further fixing the mounting plate 2. And after the concrete is poured, the connection stability between the base and the ground is improved.

[0026] Working principle: Based on the depth of the pit 1, the insertion cylinder 52 is rotated to adjust the distance between the insertion cylinder 52 and the mounting plate 2. When the mounting plate 2 is placed in the pit, the insertion cylinder 52 is inserted into the bottom of the pit 1, so that the top of the connecting stud 4 is exposed in the pit 1. The two screws 37 are rotated respectively, and the screws 37 move along the fixed cylinder 36. At this time, the push-pull ball 38 slides in the push-pull groove 35 and drives the base frame 31 to rotate along the first fixed plate 33 and the top frame 32 to rotate along the second fixed plate 34, thereby adjusting the verticality of the connecting stud 4 in the XOZ and YOZ planes. Finally, the levelness of the top frame 32 is measured by the level tube. If the top frame 32 is kept horizontal, the multiple connecting studs 4 fixed on the top frame 32 will remain vertical. Then, concrete is poured into the pit 1 to wrap the mounting plate 2, the insertion cylinder 5 and the adjusting frame 3. Finally, the concrete solidifies to form a concrete pier 6, thereby ensuring that the connecting stud 4 is in a vertical state. This makes it easy for the load-bearing columns of the steel structure building to remain vertical after being connected to the connecting stud 4.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A concrete foundation for a steel construction building comprising a foundation pit (1), characterized in that, An installation plate (2) is placed in the foundation pit (1). A plug rod (5) is installed at the bottom of the installation plate (2). The plug rod (5) is inserted into the inner wall of the foundation pit (1). An adjusting frame (3) is provided at the top of the installation plate (2). A plurality of connecting studs (4) are provided on the adjusting frame (3). A concrete pier (6) is poured in the foundation pit (1). The installation plate (2), the plug rod (5) and the adjusting frame (3) are all wrapped in the concrete pier (6).

2. A concrete foundation for a steel construction building according to claim 1, characterized in that, The top of the connecting stud (4) penetrates through the top of the concrete pier (6). Both the concrete pier (6) and the foundation pit (1) are frustum-shaped structures with a smaller top and a larger bottom.

3. A concrete foundation for a steel construction building according to claim 1, characterized in that, The adjusting frame (3) includes a bottom frame (31) and a top frame (32). A bottom frame (31) is provided at the top of the installation plate (2). A top frame (32) is provided at the top of the bottom frame (31). Two first fixing plates (33) are fixedly installed on the installation plate (2). One end of the bottom frame (31) is rotatably installed in the two first fixing plates (33) through a pin shaft. Two second fixing plates (34) are fixedly installed at the top of the bottom frame (31). One end of the top frame (32) is rotatably installed between the two second fixing plates (34) through a pin shaft. Pulling slots (35) are formed at one end of the bottom frame (31) away from the first fixing plate (33) and one end of the top frame (32) away from the second fixing plate (34). Fixed cylinders (36) are fixedly installed at the top of the installation plate (2) and the top of the bottom frame (31). Screw rods (37) are threadedly sleeved in the fixed cylinders (36). The two screw rods (37) respectively penetrate through the two pulling slots (35). Pulling balls (38) are fixedly sleeved on the screw rods (37), and the pulling balls (38) are movably clamped in the pulling slots (35).

4. A concrete foundation for a steel construction building according to claim 3, characterized in that, The bottom frame (31) is of a square structure. The top frame (32) is of an I-shaped structure. Connecting studs (4) are fixedly installed at the four corners of the top of the top frame (32). Knobs are fixedly installed at the top of the screw rods (37), and the knob at the top of the screw rod (37) at the bottom frame (31) extends to the inner cavity of the side wall of the top frame (32).

5. A concrete foundation for a steel construction building according to claim 3, characterized in that, The cross-section of the pulling slot (35) is of a "middle" shape structure. The width of the top and bottom openings of the pulling slot (35) is equal to the diameter of the screw rod (37). The inner wall of the middle part of the pulling slot (35) is an arc structure that fits the pulling ball (38).

6. A concrete foundation for a steel construction building according to claim 1, characterized in that, The plug rod (5) includes a fixed rod (51). Fixed rods (51) are fixedly installed at the four corners of the bottom of the installation plate (2). The bottom of the fixed rod (51) is threadedly sleeved with an insertion cylinder (52). The bottom of the insertion cylinder (52) is inserted into the bottom of the foundation pit (1). A plurality of movable rods (53) are obliquely penetrated through the periphery of the installation plate (2). The movable rods (53) are movably inserted into the inner wall of the foundation pit (1).

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