CN216108620U - A connection structure that is used for foundation ditch steel lattice column and steel reinforcement cage - Google Patents
A connection structure that is used for foundation ditch steel lattice column and steel reinforcement cage Download PDFInfo
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- CN216108620U CN216108620U CN202120581025.0U CN202120581025U CN216108620U CN 216108620 U CN216108620 U CN 216108620U CN 202120581025 U CN202120581025 U CN 202120581025U CN 216108620 U CN216108620 U CN 216108620U
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- steel
- reinforcement cage
- lattice column
- plate
- steel reinforcement
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 107
- 239000010959 steel Substances 0.000 title claims abstract description 107
- 230000002787 reinforcement Effects 0.000 title claims abstract description 60
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 21
- 238000009412 basement excavation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model relates to a connecting structure for a steel lattice column and a reinforcement cage of a foundation pit, wherein the steel lattice column is a column frame structure formed by welding a plurality of angle steels; the method is characterized in that: comprises a steel reinforcement cage connecting piece, a steel lattice column connecting piece and a connecting rod; two ends of the connecting rod are respectively connected to the steel reinforcement cage connecting piece and the steel lattice column connecting piece; according to the utility model, the spacing value between the steel lattice column and the steel reinforcement cage is fixed by arranging the connecting structure between the steel lattice column and the steel reinforcement cage; the coaxiality of the steel reinforcement cage and the steel reinforcement cage is ensured to be changed little when the steel reinforcement cage and the steel reinforcement cage are welded and connected in sequence, the relative position between the steel reinforcement cage and the steel reinforcement cage in foundation pit construction is ensured, and the welding construction precision between the steel reinforcement cage and the steel reinforcement cage in the foundation pit is improved.
Description
Technical Field
The utility model relates to the technical field of foundation pit steel lattice column construction, in particular to a connecting structure for a foundation pit steel lattice column and a reinforcement cage.
Background
In view of the advantages of the cover-and-dig reverse construction method in the construction of urban underground structures, the construction method becomes a main construction method in the field of underground structures and becomes an effective method for constructing subway stations in urban central areas with busy traffic in all countries in the world. The cover-excavation reverse construction method has relatively small influence on the surrounding environment of the engineering, has relatively ideal comprehensive technical and economic indexes and shorter pavement open operation time, and can effectively control the deformation of the enclosure structure and the surrounding soil layer. The cover and excavation top-down construction method construction technology is mature, but in recent years, subway stations constructed by the cover and excavation top-down construction method have a plurality of technical problems in the construction process, wherein the connection of a reinforcement cage and a steel lattice column becomes work with high technical requirements and great construction difficulty, and is also a key technology in the cover and excavation top-down construction method construction.
At present, in subway construction, a steel lattice column structure is usually adopted as a square frame structure, the square frame structure adopts four angle steels to form four corners, and every two adjacent corners are connected through a plurality of square steel patches arranged at intervals; in the general construction process, the steel reinforcement cage is firstly put down into a foundation pit through a positioning device, and then the steel lattice column is put down into the foundation pit; in the process, the steel lattice column and the reinforcement cage need to be ensured to be coaxial, so that a connecting structure needs to be designed to ensure the coaxiality of the steel lattice column and the reinforcement cage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connection structure for a steel lattice column and a reinforcement cage of a foundation pit, which can solve the problem of coaxiality deviation of the steel lattice column and the reinforcement cage when the steel lattice column and the reinforcement cage are welded in a common foundation pit.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a connecting structure for a steel lattice column and a reinforcement cage of a foundation pit is characterized in that the steel lattice column is a column frame structure formed by welding a plurality of angle steels; the innovation points are as follows: comprises a steel reinforcement cage connecting piece, a steel lattice column connecting piece and a connecting rod; two ends of the connecting rod are respectively connected to the steel reinforcement cage connecting piece and the steel lattice column connecting piece;
the steel reinforcement cage connecting piece comprises a clamping head and a locking spring; the chuck is integrally formed and comprises an arc-shaped hoop, an extension plate and a connecting plate; the pair of arc hoops are symmetrically arranged, and a gap is reserved between the pair of arc hoops to form a cavity for accommodating the reinforcing steel bars on the reinforcing steel bar cage; the extension plates are respectively arranged at two ends of the arc-shaped hoop, and the end parts of the extension plates positioned at the same side of the pair of arc-shaped hoops are respectively provided with a locking spring mounting buckle and a locking spring fixing buckle; the connecting plate is arranged at the end part of the extending plate at the other side of the arc hoop and is vertically connected with the pair of extending plates; one side edge of the locking spring is arranged on the locking spring mounting buckle, and the other side edge of the locking spring is matched with the locking spring fixing buckle to realize the locking and fixing of the chuck; the connecting plate is provided with a connecting hole matched with one end of the connecting rod;
the steel lattice column connecting piece comprises a bottom plate, side plates and a limiting bolt; the bottom plate is fixedly connected to the other end of the connecting rod, and hinges are arranged on two side edges of the bottom plate; the side plates are provided with a pair of side edges, and the edges of the side edges are matched with the hinges on the bottom plate to realize that the side plates rotate around the side edges of the bottom plate; a waist-shaped groove is formed in the side plate along the extending direction of the side plate; the limiting bolt penetrates through the side plate upper waist-shaped grooves on two sides of the bottom plate, the limiting bolt, the bottom plate and the side plates form a quadrilateral structure in an enclosing mode, and the quadrilateral structure surrounds the angle steel of the steel lattice column.
Furthermore, a limiting step is arranged at the joint of the connecting rod and the connecting plate of the steel reinforcement cage connecting piece, the connecting hole connected with the connecting plate is embedded at the end part of the connecting rod and limited through the limiting step, and the connecting plate can rotate around the connecting rod.
Furthermore, the limit bolt is provided with a locking nut in a matching way, and the limit bolt is locked and limited on the side plate waist-shaped groove of the steel lattice column connecting piece through the locking nut.
The utility model has the advantages that:
1) according to the utility model, the spacing value between the steel lattice column and the steel reinforcement cage is fixed by arranging the connecting structure between the steel lattice column and the steel reinforcement cage; the coaxiality of the steel reinforcement cage and the steel reinforcement cage is ensured to be changed little when the steel reinforcement cage and the steel reinforcement cage are welded and connected in sequence, the relative position between the steel reinforcement cage and the steel reinforcement cage in foundation pit construction is ensured, and the welding construction precision between the steel reinforcement cage and the steel reinforcement cage in the foundation pit is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a connection structure for a foundation pit steel lattice column and a reinforcement cage according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the steel lattice column is a column frame structure formed by welding a plurality of angle steels; the steel cage connecting piece comprises a steel reinforcement cage connecting piece 1, a steel lattice column connecting piece 2 and a connecting rod 3; the both ends of connecting rod 3 are connected respectively on steel reinforcement cage connecting piece 1 and steel lattice column connecting piece 2.
The reinforcement cage connecting piece 1 comprises a clamping head 11 and a locking spring 12; the chuck 11 is integrally formed, and the chuck 11 comprises an arc-shaped hoop 111, an extension plate 112 and a connecting plate 113; the arc hoops 111 are symmetrically arranged, and a gap is reserved between the arc hoops 111 to form a cavity for accommodating the reinforcing steel bars on the reinforcing steel bar cage; the extension plates 112 are respectively arranged at two ends of the arc-shaped hoop 111, and the end part of the extension plate 112 positioned at the same side of the pair of arc-shaped hoops 111 is respectively provided with a locking spring installation buckle and a locking spring fixing buckle; the end of the connecting plate 113 of the extension plate 112 disposed at the other side of the arc-shaped hoop 111, and the connecting plate 113 vertically connects the pair of extension plates 112; one side of the locking spring 12 is arranged on the locking spring mounting buckle, and the other side of the locking spring 32 is matched with the locking spring fixing buckle to realize the locking and fixing of the chuck; the connecting plate 113 is provided with a connecting hole matched with one end of the connecting rod 3.
The steel lattice column connecting piece 2 comprises a bottom plate 21, a side plate 22 and a limit bolt 23; the bottom plate 21 is fixedly connected to the other end of the connecting rod 3, and hinges are arranged on two side edges of the bottom plate 21; the side plate 22 has a pair, and the edge of the side edge cooperates with the hinge on the bottom plate 21 to realize that the side plate 22 rotates around the side edge of the bottom plate 21; a waist-shaped groove 24 is arranged on the side plate 22 along the extending direction of the side plate 22; the limit bolt 23 penetrates through the side plate upper waist-shaped grooves 24 on two sides of the bottom plate 21, and the limit bolt 23, the bottom plate 21 and the side plates form a quadrilateral structure which surrounds the angle steel of the steel lattice column.
Connecting position 113 with the connecting plate of steel reinforcement cage connecting piece 1 on connecting rod 3 is provided with spacing step, and connecting hole nestification on connecting plate 113 is spacing through spacing step at the tip of connecting rod, and connecting plate 113 can rotate round connecting rod 3.
The limit bolt 23 is provided with a locking nut in a matching way, and the limit bolt 23 is locked and limited on the side plate 22 waist-shaped groove 24 of the steel lattice column connecting piece 2 through the locking nut.
The working principle of the utility model is as follows: the connecting structure between the steel lattice column and the steel reinforcement cage is arranged, so that the distance value between the steel lattice column and the steel reinforcement cage is fixed; one end of the steel bar cage connecting piece is connected with a steel bar cage in a rotatable way, and the other end of the steel bar cage connecting piece is connected with a steel lattice column in a rotatable way, and the two connecting pieces are connected through a connecting rod; the coaxiality of the steel reinforcement cage and the steel reinforcement cage is ensured to be changed little when the steel reinforcement cage and the steel reinforcement cage are welded and connected in sequence, the relative position between the steel reinforcement cage and the steel reinforcement cage in foundation pit construction is ensured, and the welding construction precision between the steel reinforcement cage and the steel reinforcement cage in the foundation pit is improved.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. A connecting structure for a steel lattice column and a reinforcement cage of a foundation pit is characterized in that the steel lattice column is a column frame structure formed by welding a plurality of angle steels; the method is characterized in that: comprises a steel reinforcement cage connecting piece, a steel lattice column connecting piece and a connecting rod; two ends of the connecting rod are respectively connected to the steel reinforcement cage connecting piece and the steel lattice column connecting piece;
the steel reinforcement cage connecting piece comprises a clamping head and a locking spring; the chuck is integrally formed and comprises an arc-shaped hoop, an extension plate and a connecting plate; the pair of arc hoops are symmetrically arranged, and a gap is reserved between the pair of arc hoops to form a cavity for accommodating the reinforcing steel bars on the reinforcing steel bar cage; the extension plates are respectively arranged at two ends of the arc-shaped hoop, and the end parts of the extension plates positioned at the same side of the pair of arc-shaped hoops are respectively provided with a locking spring mounting buckle and a locking spring fixing buckle; the connecting plate is arranged at the end part of the extending plate at the other side of the arc hoop and is vertically connected with the pair of extending plates; one side edge of the locking spring is arranged on the locking spring mounting buckle, and the other side edge of the locking spring is matched with the locking spring fixing buckle to realize the locking and fixing of the chuck; the connecting plate is provided with a connecting hole matched with one end of the connecting rod;
the steel lattice column connecting piece comprises a bottom plate, side plates and a limiting bolt; the bottom plate is fixedly connected to the other end of the connecting rod, and hinges are arranged on two side edges of the bottom plate; the side plates are provided with a pair of side edges, and the edges of the side edges are matched with the hinges on the bottom plate to realize that the side plates rotate around the side edges of the bottom plate; a waist-shaped groove is formed in the side plate along the extending direction of the side plate; the limiting bolt penetrates through the side plate upper waist-shaped grooves on two sides of the bottom plate, the limiting bolt, the bottom plate and the side plates form a quadrilateral structure in an enclosing mode, and the quadrilateral structure surrounds the angle steel of the steel lattice column.
2. The connection structure for the foundation pit steel lattice column and the steel reinforcement cage according to claim 1, wherein: the connecting rod is provided with a limiting step at the joint of the connecting plate and the steel reinforcement cage connecting piece, the connecting hole connected with the connecting plate is embedded at the end part of the connecting rod and is limited by the limiting step, and the connecting plate can rotate around the connecting rod.
3. The connection structure for the foundation pit steel lattice column and the steel reinforcement cage according to claim 1, wherein: the limiting bolt is provided with a locking nut in a matched mode, and the limiting bolt is locked and limited on a side plate waist-shaped groove of the steel lattice column connecting piece through the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581025.0U CN216108620U (en) | 2021-03-23 | 2021-03-23 | A connection structure that is used for foundation ditch steel lattice column and steel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581025.0U CN216108620U (en) | 2021-03-23 | 2021-03-23 | A connection structure that is used for foundation ditch steel lattice column and steel reinforcement cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216108620U true CN216108620U (en) | 2022-03-22 |
Family
ID=80686626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120581025.0U Expired - Fee Related CN216108620U (en) | 2021-03-23 | 2021-03-23 | A connection structure that is used for foundation ditch steel lattice column and steel reinforcement cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216108620U (en) |
-
2021
- 2021-03-23 CN CN202120581025.0U patent/CN216108620U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |