Buried steel structure mounting base

Abstract

The utility model relates to the technical field of embedded part structures, in particular to a buried steel structure mounting base which comprises a connecting plate, outer steel bars are perpendicularly connected to the four corners of the bottom face of the connecting plate, and the lower ends of the outer steel bars are bent outwards in the direction opposite to the vertical center line of the connecting plate. A circular through groove is formed in the connecting plate, internal threads are formed in the circular through groove along the side wall of the circular through groove, the internal threads of the circular through groove are matched with a middle plate, the middle plate is downwards and vertically connected with inner steel bars, the inner steel bars are evenly arranged in the circumferential direction of the circle where the middle plate is located, and outer screws are upwards and vertically arranged at the four corners of the connecting plate. In use, the middle plate can be connected to the connecting plate in a threaded mode, during cutting, the middle plate is cut, inclination of the connecting plate after trepanning can be avoided, and meanwhile inclination of the middle plate can be avoided through threaded connection of the middle plate and the connecting plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pre -buried spare structure technical field, specifically is a kind of buried steel structure installation base. BACKGROUND

[0002] Buried steel structure is also called pre -buried spare, wherein, pre -buried spare is the component that is installed (buried) in concealed engineering in advance. It is the component that is placed when pouring structure, and is used for the lap joint when building upper structure. It is beneficial to the installation and fixation of external engineering equipment foundation. Pre -buried spare is mostly made of metal.

[0003] Among them, the base of pre -buried spare is pre -buried in site, since part component needs to pass through the connecting plate of pre -buried spare base, thus, it is often necessary to cut and dig hole to connecting plate in site. Since connecting plate is welded with reinforcement around when cutting and digging hole to connecting plate, it is subjected to the tensile stress of reinforcement, then when cutting hole, it is very easy to cause the bending and inclination of connecting plate as a whole under the action of tensile stress, and it affects normal use. INVENTION CONTENTS

[0004] The utility model provides a kind of buried steel structure installation base to solve the defects in prior art.

[0005] The utility model is implemented by the following technical solutions:

[0006] A kind of buried steel structure installation base, including connecting plate, the four corners of the bottom surface of connecting plate are vertically connected with outer reinforcement, and the lower end of outer reinforcement is bent outward along the direction away from the vertical center line of connecting plate;Connecting plate is provided with circular through slot, and circular through slot is provided with internal thread along its side wall, and the internal thread of circular through slot is matched with middle plate, and middle plate is vertically connected with inner reinforcement downwards, and inner reinforcement is evenly arranged along the circumference of the circle where middle plate is located, and the four corners of connecting plate are vertically provided with outer screw rod upwards.

[0007] When using, upper steel column is connected by outer screw rod. When needing to open hole on connecting plate, first rotate inner reinforcement, the rotation of inner reinforcement drives the rotation of middle plate, so that middle plate can be separated from connecting plate, then corresponding through slot is provided on middle plate, after through slot is provided, middle plate is rotated to connecting plate, even if middle plate appears partial bending and inclination, middle plate can also return to initial position under the cooperation of thread, to meet the opening of connecting plate, while avoiding the inclination of connecting plate after opening. Wherein, inner reinforcement not only can facilitate the rotation of middle plate, but also can be better connected with concrete, to increase the reliability of the connection between middle plate and concrete.

[0008] As preferred, a plurality of outer screw holes are formed on the connecting plate, the outer screw holes are evenly arranged along the circumference of the connecting plate, and outer screw rods are threadedly connected in the outer screw holes.

[0009] As preferred, the lower part of the outer screw rod is vertically connected with an outer lever, and a plurality of outer levers are evenly arranged along the circumference of the outer screw rod.

[0010] As preferred, an inner screw hole is further formed on the connecting plate, the inner screw hole and the corresponding outer screw hole are located on the connecting line between the screw hole and the center of the connecting plate, an inner screw rod is threadedly connected in the inner screw hole, an inner lever is vertically connected to the upper part of the inner screw rod, and the inner lever and the outer lever are distributed in a staggered manner in height.

[0011] As preferred, the lower end of the inner steel bar is outwardly bent, and the bending direction is along the intersection to the center of the connecting plate, so that the stress at the bonding position of the concrete and the inner steel bar is evenly distributed on the vertical center line of the connecting plate.

[0012] The application has the advantages that the intermediate plate is threadedly connected to the connecting plate, the intermediate plate is cut during cutting, the inclination of the connecting plate after the hole is formed can be avoided, and the inclination of the intermediate plate can be avoided by the threaded connection between the intermediate plate and the connecting plate. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0014] Figure 1 is a structural schematic view of the present application;

[0015] Figure 2 is Figure 1 A schematic view of the present application.

[0016] As shown in the drawings:

[0017] 1, connecting plate, 2, outer reinforcement, 3, intermediate plate, 4, inner reinforcement, 5, outer screw hole, 6, inner screw hole, 7, outer screw rod, 8, inner screw rod, 9, outer push rod, 10, inner push rod. DETAILED DESCRIPTION

[0018] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] A buried steel structure mounting base, as shown in Figure 1 and Figure 2 . Including connecting plate 1, the four corners of the bottom surface of connecting plate 1 are vertically connected with outer reinforcement 2, and the lower end of outer reinforcement 2 is bent outward along the direction away from the vertical center line of connecting plate 1; connecting plate 1 is provided with a circular through slot, the circular through slot is provided with internal threads along its side wall, the internal threads of the circular through slot are matched with intermediate plate 3, intermediate plate 3 is vertically connected with inner reinforcement 4 downward, inner reinforcement 4 is evenly arranged along the circumference of the circle where intermediate plate 3 is located, and the four corners of connecting plate 1 are vertically provided with outer screw rod 7 upward.

[0020] When using the application, the upper steel column is connected through outer screw rod 7. When it is needed to open a hole on connecting plate 1, first, inner reinforcement 4 is rotated, the rotation of inner reinforcement 4 drives the rotation of intermediate plate 3, so that intermediate plate 3 can be separated from connecting plate 1, then a corresponding through slot is formed on intermediate plate 3, after the through slot is formed, intermediate plate 3 is rotated to connecting plate 1, even if intermediate plate 3 is partially bent and inclined, intermediate plate 3 can also return to the initial position under the cooperation of threads, thereby satisfying the opening of connecting plate 1, and avoiding the inclination of connecting plate 1 after the opening of connecting plate 1. Inner reinforcement 4 not only facilitates the rotation of intermediate plate 3, but also can be better connected with concrete, thereby increasing the reliability of the connection between intermediate plate 3 and concrete.

[0021] A plurality of outer screw holes 5 are formed on connecting plate 1, outer screw holes 5 are evenly arranged along the circumference of intermediate plate 3 and are matched with outer screw rod 7 in the screw holes. Outer screw rod 7 is connected on connecting plate 1 through the screw thread of the screw hole, so that outer screw rod 7 can be rotated as needed, the distance between the upper end of outer screw rod 7 and connecting plate 1 is changed, thereby connecting nut of different thicknesses can be adapted, and better connection between the steel column and connecting plate 1 is realized.

[0022] The lower part of the outer screw rod 7 is vertically connected with outer push rods 9, and the outer push rods 9 are evenly arranged along the circumference of the outer screw rod 7.

[0023] The connecting plate 1 is also provided with an inner screw hole 6, and the inner screw hole 6 and the corresponding outer screw hole 5 are located on the connecting line of the screw hole and the center of the connecting plate 1, and the inner screw hole 6 is threadedly connected with an inner screw rod 8, and the inner screw rod 8 is vertically connected with an inner push rod 10, and the inner push rod 10 is distributed in a staggered manner in height with the outer push rod 9. The inner screw hole 6 can be applied to a steel column with a smaller size, thereby increasing the application range of the equipment, and the inner push rod 10 facilitates the rotation of the inner screw rod 8.

[0024] The lower end of the inner steel bar 4 is outwardly bent, and the bending direction is along the intersection to the center of the intermediate plate 3, so that the stress of the concrete and the inner steel bar 4 at the bonding position is uniformly distributed on the vertical center line of the connecting plate 1.

[0025] The use of the present application can utilize the threaded connection of the intermediate plate 3 on the connecting plate 1, and the intermediate plate 3 is cut during cutting, which can not only avoid the inclination of the connecting plate 1 after the hole is opened, but also avoid the inclination of the intermediate plate 3 by utilizing the threaded connection of the intermediate plate 3 and the connecting plate.

[0026] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A buried steel structure mounting base, characterized by: The connecting plate is vertically connected with outer reinforcing bars at four corners of the bottom surface, and the lower ends of the outer reinforcing bars are outwardly bent along the direction away from the vertical center line of the connecting plate; a circular through slot is formed on the connecting plate, and an inner thread is formed along the side wall of the circular through slot; an intermediate plate is matched with the inner thread of the circular through slot, and an inner reinforcing bar is vertically connected with the intermediate plate; the inner reinforcing bar is uniformly arranged along the circumference of the circle where the intermediate plate is located; and outer threaded rods are vertically arranged at the four corners of the connecting plate.

2. The buried steel structure mounting base according to claim 1, characterized in that: A plurality of outer threaded holes are formed on the connecting plate, and the outer threaded holes are uniformly arranged along the circumference of the intermediate plate and matched with the outer threaded rods.

3. The buried steel structure mounting base according to claim 2, characterized in that: The lower part of the outer threaded rod is vertically connected with an outer pulling rod, and the outer pulling rod is uniformly provided with a plurality of outer pulling rods along the circumference of the outer threaded rod.

4. The buried steel structure mounting base according to claim 3, characterized in that: An inner threaded hole is also formed on the connecting plate, and the inner threaded hole and the corresponding outer threaded hole are located on the connecting line between the threaded hole and the center of the connecting plate; an inner threaded rod is matched with the inner threaded hole; an inner pulling rod is vertically connected with the inner threaded rod; and the inner pulling rod and the outer pulling rod are distributed in a staggered manner in height.

5. The buried steel structure mounting base according to claim 4, characterized in that: The lower end of the inner reinforcing bar is outwardly bent, and the bending direction is along the extension line intersecting the center of the intermediate plate.

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