Steel structure square cylinder base with layering and segregation prevention function

Abstract

A steel structure square cylinder base with a layering and segregation prevention function is characterized in that a plurality of baffles A are arranged on the inner side face A of a square cylinder base body at equal intervals, a plurality of baffles B are arranged on the inner side face B opposite to the inner side face A at equal intervals, the baffles A and the baffles B which are vertically adjacent are arranged in a staggered mode, and the baffles A and the baffles B which are transversely adjacent are arranged in a staggered mode; the baffle A at the uppermost end is close to the upper port of the square cylinder seat body, and the baffle B at the lowermost end is a certain distance away from the lower port of the square cylinder seat body; the baffle plate A and the baffle plate B are inclined downwards; a continuous blocking structure is formed in the square cylinder base through the two rows of baffles, concrete is blocked left and right between the baffles on the two sides after entering the upper end of the square cylinder base body and slides downwards between the baffles in an S shape, the sinking speed of stone heavy aggregate is reduced, the stone heavy aggregate and light slurry can be mixed and stirred, and the construction efficiency is improved. The phenomenon of layering and segregation of concrete in the square cylinder base body is effectively relieved, and the pouring and fixing quality of the concrete is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel structure building especially relates to a steel structure square cylinder base with prevent delamination function. BACKGROUND

[0002] The square cylinder column is a common steel structure component, usually used for the support structure of beam or column. The box column is named because its shape is similar to a large iron box, has higher structural strength and rigidity, and is therefore widely applied in steel structure buildings, such as factory buildings, warehouses, large gymnasiums, exhibition centers, etc.

[0003] The square cylinder column is usually designed as a two-section butt joint structure, including a square cylinder body and a column base. During construction, the column base is fixed in the foundation, and then the cylinder column is installed on the column base by hoisting equipment. In order to ensure the firmness of the column base on the foundation, concrete is poured in the column base after the column base is installed. However, the problem encountered during the pouring process is that the height of the column base is large and the internal space is narrow, so the concrete cannot be vibrated during the pouring process, which causes the heavy aggregates such as stones in the concrete to sink to the bottom, the light slurry such as sand mortar and water to be on the upper part, and the internal concrete to appear delamination phenomenon, thereby reducing the crack resistance, durability and overall strength of the internal concrete of the column base, and resulting in that the firmness of the column base cannot be guaranteed, which needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above problems, the utility model provides a steel structure square cylinder base with prevent delamination function.

[0005] The technical scheme of the utility model is: a steel structure square cylinder base with prevent delamination function, which comprises a square cylinder base body vertically installed on the upper surface center of a concrete base, a plurality of baffle plates a are arranged on the inner side surface a of the square cylinder base body at equal intervals along the length direction, a plurality of baffle plates b are arranged on the opposite inner side surface b at equal intervals along the length direction, the covering area of the baffle plates a and the baffle plates b is greater than half of the cross-sectional area of the square cylinder base body, the baffle plates a and the baffle plates b are square plate bodies, the vertically adjacent baffle plates a and the baffle plates b are staggered, the horizontally adjacent baffle plates a and the baffle plates b are staggered, the uppermost baffle plate a is close to the upper port of the square cylinder base body, and a distance is provided between the lowermost baffle plate b and the lower port of the square cylinder base body, which is used to form a large-size cavity at the lower part of the square cylinder base body; the baffle plates a and the baffle plates b are all arranged downwardly inclined, the baffle plates a and the baffle plates b are connected with the square cylinder base body by welding, and the inclination angles of the baffle plates a and the baffle plates b are the same.

[0006] Preferably, the two ends of the baffle plates a are in contact with the mutually corresponding inner side surface c and inner side surface d respectively, the two ends of the baffle plates b are in contact with the mutually corresponding inner side surface c and inner side surface d respectively, and the sizes of the baffle plates a and the baffle plates b are the same.

[0007] Preferably, reinforcing ribs are arranged between the bottom surface of the baffle A, the bottom surface of the baffle B and the side surface of the square cylinder seat body.

[0008] Preferably, a reinforcing rib plate is welded and fixed to the upper end of the square cylinder seat body, and a circular hole is arranged in the center of the reinforcing rib plate.

[0009] Preferably, a plurality of anchor nails are uniformly arranged on the outer side surface of the square cylinder seat body, and a limiting head is arranged at the outer end of the anchor nail.

[0010] Preferably, a vertical screw steel is arranged in the middle of the concrete base in a square shape, the vertical screw steel surrounds the outer side of the square cylinder seat body, and the lower end of the vertical screw steel is anchored in the concrete base.

[0011] Preferably, a square boss is arranged in the middle of the concrete base, the vertical screw steel is uniformly arranged on the edge of the square boss, and the size of the square boss is greater than the size of the square cylinder seat body.

[0012] Preferably, a square ring flange is arranged at the lower end of the square cylinder seat body, the square ring flange is fixed and supported on the surface of the concrete base, and a bolt hole is arranged on the square ring flange.

[0013] The beneficial technical effects of the utility model are as follows:

[0014] The square cylinder base is internally provided with a continuous blocking structure formed by two rows of baffles, the concrete entering the upper end of the square cylinder seat body is blocked left and right between the baffles, and the concrete is S-shapedly slid downward between the baffles, the sinking speed of the stone heavy aggregate is delayed, the stone heavy aggregate and the lighter slurry can be mixed and stirred, the phenomenon of stratification of the concrete in the square cylinder seat body is effectively alleviated, and the pouring and fixing quality of the concrete is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of a three-dimensional structure of the square cylinder seat body;

[0016] Figure 2 is a schematic view of a sectional structure of the square cylinder seat body along A-A direction; Figure 1

[0017] Figure 3 is a schematic view of a sectional structure of the square cylinder seat body along B-B direction, Figure 1

[0018] Figure 4 is a schematic view of a structure of the square cylinder seat body installed on the concrete base;

[0019] Figure 5 is a schematic view of a sectional structure of the square cylinder seat body along B-B direction, Figure 4

[0020] Figure 6 ​​​is a structural schematic diagram after pouring concrete in the square cylinder base body.

[0021] In the figure, 1. concrete base, 11. square boss, 12. vertical threaded steel, 2. square cylinder base body, 21. inner side A, 22. inner side B, 23. inner side C, 24. inner side D, 25. reinforcing rib plate, 251. round hole, 26. anchor nail, 27. baffle A, 28. baffle B, 29. square ring folded edge, 31. concrete. DETAILED DESCRIPTION

[0022] Example one, see attached Figures 1-3 A steel structure square cylinder base with anti-segregation function, comprising a square cylinder base body 2 vertically installed on the upper surface center of the concrete base 1, a plurality of baffles A 27 are arranged on the inner side A 21 of the square cylinder base body 2 along the length direction at equal intervals, a plurality of baffles B 28 are arranged on the opposite inner side B 22 along the length direction at equal intervals, the vertically adjacent baffles A and baffles B are staggered, the horizontally adjacent baffles A 27 and baffles B 28 are staggered, the baffles A and baffles B form an S-shaped concrete blanking channel, the uppermost baffle A 27 is close to the upper port of the square cylinder base body 2, and the lowermost baffle B 28 is arranged at a distance from the lower port of the square cylinder base body, which forms a large-size concrete cavity between the lower baffle and the lower port of the concrete 31, which is used to form a large-size concrete 31 structure at the bottom; the baffles A 27 and baffles B 28 are both arranged downwardly inclined, and the inclination angles of the baffles A 27 and baffles B 28 are the same, which is conducive to the smooth sliding of the concrete 31 from the baffles, avoids the congestion of the concrete 31, and ensures the efficiency of pouring construction. The lower port of the square cylinder base body 2 is provided with a square ring folded edge 29, and the square ring folded edge 29 is fixedly supported on the surface of the concrete base 1.

[0023] The two ends of the baffle A 27 are in contact with the mutually corresponding inner side C 23 and inner side D 24, and the two ends of the baffle B 28 are in contact with the mutually corresponding inner side C 23 and inner side D 24, so that the baffles fully cover the cross section of the square cylinder base, avoiding the phenomenon of concrete 31 leaking from the side, and the baffles can also serve as reinforcing plates of the square cylinder base body 2, reinforcing and supporting the square cylinder base body 2 from the inside.

[0024] The bottom surfaces of the baffles A 27 and baffles B 28 and the side surfaces of the square cylinder base body 2 are both provided with reinforcing ribs, which support the baffles at the bottom through the reinforcing ribs, avoiding the bending deformation of the baffles due to the impact of the concrete 31.

[0025] The upper port of the square cylinder base body 2 is provided with a reinforcing rib plate 25, the center of the reinforcing rib plate is provided with a round hole 251, and the reinforcing rib plate 25 is used to reinforce the upper port of the square cylinder base body 2, improve the structural stability, and avoid deformation due to pressure.

[0026] The square cylinder base of this embodiment is placed in the middle of the upper surface of the concrete base 1 during pouring construction, and the square ring folded edge 29 of the square cylinder base is preliminarily fixed with the concrete base 1 by installing anchor bolts thereon, then the pump pipe is moved to the upper port of the square cylinder base, and the concrete 31 is poured from the circular hole 251 to the inside, during which the two rows of baffles inside the square cylinder base form a continuous blocking structure, and the concrete 31 is blocked left and right after entering the upper end of the square cylinder seat body 2 between the baffles, and falls down in an S shape between the baffles, delaying the sinking speed of the stone heavy aggregate, and mixing and stirring the stone heavy aggregate and the lighter slurry, ensuring that the stone heavy aggregate and the lighter slurry are in a mixed and uniform state when entering the square cylinder base, effectively relieving the phenomenon of stratification of the concrete 31 inside the square cylinder seat body 2, and ensuring the pouring and fixing quality of the concrete 31.

[0027] Embodiment two, see attached Figures 4-6 , this embodiment is basically the same as embodiment one, the same parts will not be repeated, the difference is that: the outer side of the square cylinder seat body 2 is uniformly covered with a plurality of anchor nails 26, the outer end of the anchor nail is provided with a limiting head, which can form an axial limiting action in the concrete 31, and a circle of vertical screw steel 12 is arranged in the middle of the concrete base 1 in a square shape, the vertical screw steel is arranged at equal intervals, this circle of vertical screw steel 12 surrounds the outside of the square cylinder seat body 2, the middle of the concrete base 1 is provided with a square boss 11, and the vertical screw steel 12 is uniformly arranged on the edge of the square boss 11.

[0028] After pouring the concrete 31 inside the square cylinder seat body 2, it is necessary to pour the concrete 31 outside to place it into the foundation to form the base of the square box column, the anchor nails 26 in this embodiment can be uniformly anchored into the concrete 31, improving the stability of the connection of the square cylinder seat body 2, and a circle of vertical screw steel 12 surrounds the outside of the square cylinder seat body 2 to improve the firmness of the surrounding foundation, combined with the step structure formed by the square boss 11 on the bonding surface of the concrete 31, further improving the firmness of the construction and installation of the square cylinder seat body 2.

Claims

1. A steel structure square tube base with anti-segregation function, comprising a square tube base body vertically installed at the center of the upper surface of a concrete base, characterized in that: The inner side A of the square cylinder seat body is provided with a plurality of baffle plates A at equal intervals along the length direction, the opposite inner side B is provided with a plurality of baffle plates B at equal intervals along the length direction, the vertically adjacent baffle plates A and baffle plates B are staggered, the horizontally adjacent baffle plates A and baffle plates B are staggered, the uppermost baffle plate A is close to the upper end of the square cylinder seat body, and the lowermost baffle plate B is provided with a distance from the lower end of the square cylinder seat body; the baffle plates A and baffle plates B are both arranged downwardly and have the same inclination angle.

2. The steel structure square tube base with anti-delamination function according to claim 1, characterized in that: The two ends of the baffle plate A are in contact with the inner side C and the inner side D respectively, and the two ends of the baffle plate B are in contact with the inner side C and the inner side D respectively.

3. The steel structure square tube base with anti-delamination function according to claim 2, characterized in that: The bottom surface of the baffle plate A, the bottom surface of the baffle plate B and the side surface of the square cylinder seat body are all provided with reinforcing ribs.

4. The steel structure square tube base with anti-delamination function according to claim 1, characterized in that: The upper end of the square cylinder seat body is provided with a reinforcing rib plate, and the center of the reinforcing rib plate is provided with a round hole.

5. The steel structure square tube base with anti-delamination function according to claim 1, characterized in that: The outer side of the square cylinder seat body is uniformly provided with a plurality of anchor nails, and the outer end of the anchor nail is provided with a limiting head.

6. The steel structure square tube base with anti-delamination function according to claim 1, characterized in that: The middle part of the concrete base is provided with a circle of vertical screw steel, and the circle of vertical screw steel surrounds the outer side of the square cylinder seat body.

7. The steel structure square tube base with anti-delamination function according to claim 6, characterized in that: The middle part of the concrete base is provided with a square boss, and the vertical screw steel is uniformly arranged on the edge part of the square boss.

8. The steel structure square tube base with anti-delamination function according to claim 1, characterized in that: The lower end of the square cylinder seat body is provided with a square ring flange, and the square ring flange is fixed and supported on the surface of the concrete base.

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