CN215105359U - Steel supporting structure - Google Patents
Steel supporting structure Download PDFInfo
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- CN215105359U CN215105359U CN202120272994.8U CN202120272994U CN215105359U CN 215105359 U CN215105359 U CN 215105359U CN 202120272994 U CN202120272994 U CN 202120272994U CN 215105359 U CN215105359 U CN 215105359U
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Abstract
The utility model belongs to the steel construction field especially relates to a steel bearing structure. It includes: the steel purlin, the middle frame structure and the cable structure; the steel purlins are arranged on two sides of the middle frame structure in the length direction, and the steel purlins and the middle frame structure are welded and fixed through the inclined connecting rods; the cable structure penetrates through the middle frame structure and the middle frame structure along the direction perpendicular to the steel enclosing purlin to form the cable structure, and two ends of the cable structure are fixedly connected with the steel enclosing purlin. The utility model has good structural stability; the integral structure can realize good stress dispersion, so that the integral stress of the steel supporting structure is balanced, and the actual bearing capacity is higher.
Description
Technical Field
The utility model belongs to the steel construction field especially relates to a steel bearing structure.
Background
The supporting structure is a common structure in foundation pit engineering at present. At present, the steel support can be subdivided into reinforced concrete, steel support and combined support according to materials.
In recent years, with the strong advocation of assembly type supporting structures in the industry, the steel supporting system of the foundation pit is more used in practical engineering, and compared with a reinforced concrete supporting structure, the steel supporting structure has the advantages of being clear in stress, simple in structure, high in installation and setting efficiency, capable of being recycled and the like.
However, the existing steel supporting structure has many defects, such as the existing steel supporting structure is arranged in a full rigid connection mode, and particularly is matched with a welding mode or a bolt and nut fixing mode, so that stress concentration and damage are easily generated at a welding position or a bolt and nut mounting position, the stability of the whole structure is insufficient, and the actual bearing capacity is limited.
Disclosure of Invention
For solving current assembled steel bearing structure and having the relatively poor, easy stress concentration damage that produces of stability, the limited scheduling problem of bearing capacity in the in-service use, the utility model provides a steel bearing structure.
The utility model aims to provide a:
firstly, the stability of the steel support structure is improved;
secondly, uniform stress of the whole steel supporting structure is realized, and the whole steel supporting structure is not easy to damage;
and thirdly, improving the actual bearing capacity of the steel support structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A steel support structure comprising:
the steel purlin, the middle frame structure and the cable structure;
the steel purlins are arranged on two sides of the middle frame structure in the length direction, and the steel purlins and the middle frame structure are welded and fixed through the inclined connecting rods;
the cable structure penetrates through the middle frame structure and the middle frame structure along the direction perpendicular to the steel enclosing purlin to form the cable structure, and two ends of the cable structure are fixedly connected with the steel enclosing purlin.
As a preference, the first and second liquid crystal compositions are,
the middle frame structure comprises two supporting rods perpendicular to the steel purlin and two supporting cross rods parallel to the steel purlin and connected to the end parts of the supporting rods, and the supporting rods and the supporting cross rods are fixed by welding to form a rectangular frame;
and the corner of the rectangular frame is fixedly connected with the steel purlin through an inclined connecting rod.
As a preference, the first and second liquid crystal compositions are,
the rectangular frame of the middle frame structure is also provided with a plurality of reinforcing cross rods, two ends of each reinforcing cross rod are respectively fixed with the inner sides of the two supporting rods through welding, and the reinforcing cross rods are uniformly arranged along the supporting rods and are perpendicular to the supporting rods.
As a preference, the first and second liquid crystal compositions are,
the middle part of the supporting cross rod is provided with a rod sleeve, and the upper surface of the rod sleeve is provided with a cable groove;
the middle parts of the reinforcing cross rods are provided with stranded cable sleeves, and through holes along the length direction of the supporting rods are formed in the stranded cable sleeves;
the cable structure is erected in the cable groove and penetrates through the cable sleeve.
As a preference, the first and second liquid crystal compositions are,
the cable structure comprises two steel cables;
and the connecting positions of the two steel cables and the steel purlin are symmetrical along the middle point of the steel purlin in the length direction.
As a preference, the first and second liquid crystal compositions are,
the device also comprises a screw rod;
the screw rod penetrates through the rod sleeve to be connected with the steel purlin, and is matched with the nut to be fixed.
As a preference, the first and second liquid crystal compositions are,
a reinforcing rib plate is also arranged in the middle frame structure;
the reinforcing rib plates are fixedly connected to the inner sides of the adjacent supporting rods and the supporting cross rods.
The utility model has the advantages that:
1) the structure stability is good;
2) the integral structure can realize good stress dispersion, so that the integral stress of the steel supporting structure is balanced, and the actual bearing capacity is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the middle frame structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
in the figure: 100 steel purlins, 200 middle frame structures, 201 supporting rods, 202 supporting cross rods, 2021 rod sleeves, 2022 screw rods, 2023 nuts, 203 reinforcing cross rods, 2031 strand sleeves, 204 reinforcing rib plates, 300 oblique connecting rods, 400 strand structures and 401 steel strands.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
A steel support structure as shown in fig. 1, comprising in particular:
a steel purlin 100 and a middle frame structure 200;
the middle frame structure 200 comprises two supporting rods 201 perpendicular to the steel purlin 100, two supporting cross rods 202 parallel to the steel purlin 100 and connected to the ends of the supporting rods 201, and the supporting rods 201 and the supporting cross rods 202 are fixed by welding to form a rectangular frame, as shown in fig. 2; the corner of the rectangular frame, namely the joint of the supporting rod 201 and the supporting cross rod 202, is fixedly connected with the steel purlin 100 through an inclined connecting rod 300, and two ends of the inclined connecting rod 300 are respectively welded with the rectangular frame and the steel purlin 100 to form fixed connection;
the middle of the supporting cross bar 202 is provided with a bar sleeve 2021, the bar sleeve 2021 is provided with a screw hole perpendicular to the steel purlin 100, the side of the steel purlin 100 facing the center frame structure 200 is provided with a screw hole matched with the screw hole, a screw 2022 sequentially penetrates through the screw hole on the bar sleeve 2021 of the center frame structure 200 from inside to outside and extends to the screw 2022 on the steel purlin 100, a nut 2023 is screwed to realize primary fixed installation of the center frame structure 200, and then the inclined connecting bar 300 is welded and fixed, so that the installation efficiency of the center frame structure 200 can be effectively improved, the installation difficulty is reduced, and the installation accuracy is improved;
meanwhile, the rod sleeve 2021 and the screw 2022 are matched to form a middle support for the middle frame structure 200, so that the stability of the middle frame structure 200 is improved;
a plurality of reinforcing cross bars 203 are further arranged in the rectangular frame of the middle frame structure 200, two ends of each reinforcing cross bar 203 are respectively fixed with the inner sides of the two supporting rods 201 through welding, and the reinforcing cross bars 203 are uniformly arranged along the supporting rods 201 and are perpendicular to the supporting rods 201;
the arrangement of the supporting rod 201 can improve the structural stability of the middle frame structure 200 and improve the bearing capacity of the middle frame structure 200;
the steel support structure is further provided with a rope structure 400;
the rope structure 400 comprises two steel ropes 401, and is matched with the rope structure 400, a rope groove is arranged on the upper surface of the rod sleeve 2021, a rope sleeve 2031 is arranged in the middle of each reinforcing transverse rod 203, and a through hole along the length direction of the supporting rod 201 is arranged on the rope sleeve 2031 so as to allow the steel ropes 401 to pass through;
the two ends of the two steel cables 401 are symmetrically arranged and fixedly connected to the two sides of the screw hole on the steel purlin 100 by taking the screw hole on the steel purlin 100 as a center, the two steel cables are folded towards the middle part and erected in the cable groove on the upper surface of the rod sleeve 2021 as shown in fig. 3, and the two steel cables parallelly penetrate through the cable sleeve 2031, specifically, as shown in fig. 1, the two ends of the cable structure 400 in the length direction of the supporting rod 201 form triangular openings;
through the arrangement of the rope structure 400, the middle frame structure 200 is in fixed rigid connection with the steel purlin 100, the steel rope 401 is adopted to form flexible connection, the arrangement of the flexible connection enables the middle frame structure 200 to form a force guide effect through the rope structure 400 after being stressed, force conduction is not only carried out through rigid supporting rods 201, supporting cross rods 202, oblique connecting rods 300 and other rigid structures, the problems of stress concentration fracture, breakage and the like of the welding positions of the rigid structures can be avoided, meanwhile, triangular openings are formed at two ends of the rope structure 400 in the length direction of the supporting rods 201, the force guide effect of the flexible connection structure cannot be directly concentrated on one position of the steel purlin 100, more dispersed and uniform stress is formed, and the problems that the steel purlin 100 is bent and deformed or even damaged due to single-point stress can be avoided.
The steel support structure greatly improves the stability of the whole steel support structure by combining rigid connection and flexible connection, and can effectively improve the supporting effect of the whole steel support.
Further, in the above-mentioned case,
a reinforcing rib plate 204 is also arranged in the middle frame structure 200;
the reinforcing rib plate 204 is fixedly connected to the inner sides of the adjacent supporting rods 201 and the supporting cross rods 202 as shown in fig. 2;
the arrangement of the reinforcing rib plate 204 can further improve the structural stability of the middle frame structure 200, and reduce the stress at the welding positions of the three members, namely the supporting rod 201, the supporting cross rod 202 and the inclined connecting rod 300, so that the bearing capacity of the supporting capacity of the steel supporting structure is improved.
Claims (7)
1. A steel support structure, comprising:
the steel purlin, the middle frame structure and the cable structure;
the steel purlins are arranged on two sides of the middle frame structure in the length direction, and the steel purlins and the middle frame structure are welded and fixed through the inclined connecting rods;
the cable structure penetrates through the middle frame structure and the middle frame structure along the direction perpendicular to the steel enclosing purlin to form the cable structure, and two ends of the cable structure are fixedly connected with the steel enclosing purlin.
2. A steel support structure according to claim 1,
the middle frame structure comprises two supporting rods perpendicular to the steel purlin and two supporting cross rods parallel to the steel purlin and connected to the end parts of the supporting rods, and the supporting rods and the supporting cross rods are fixed by welding to form a rectangular frame;
and the corner of the rectangular frame is fixedly connected with the steel purlin through an inclined connecting rod.
3. A steel support structure according to claim 2,
the rectangular frame of the middle frame structure is also provided with a plurality of reinforcing cross rods, two ends of each reinforcing cross rod are respectively fixed with the inner sides of the two supporting rods through welding, and the reinforcing cross rods are uniformly arranged along the supporting rods and are perpendicular to the supporting rods.
4. A steel support structure according to claim 3,
the middle part of the supporting cross rod is provided with a rod sleeve, and the upper surface of the rod sleeve is provided with a cable groove;
the middle parts of the reinforcing cross rods are provided with stranded cable sleeves, and through holes along the length direction of the supporting rods are formed in the stranded cable sleeves;
the cable structure is erected in the cable groove and penetrates through the cable sleeve.
5. A steel support structure according to claim 4,
the cable structure comprises two steel cables;
and the connecting positions of the two steel cables and the steel purlin are symmetrical along the middle point of the steel purlin in the length direction.
6. A steel support structure according to claim 4,
the device also comprises a screw rod;
the screw rod penetrates through the rod sleeve to be connected with the steel purlin, and is matched with the nut to be fixed.
7. A steel support structure according to claim 2,
a reinforcing rib plate is also arranged in the middle frame structure;
the reinforcing rib plates are fixedly connected to the inner sides of the adjacent supporting rods and the supporting cross rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120272994.8U CN215105359U (en) | 2021-01-29 | 2021-01-29 | Steel supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120272994.8U CN215105359U (en) | 2021-01-29 | 2021-01-29 | Steel supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215105359U true CN215105359U (en) | 2021-12-10 |
Family
ID=79332953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120272994.8U Active CN215105359U (en) | 2021-01-29 | 2021-01-29 | Steel supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215105359U (en) |
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2021
- 2021-01-29 CN CN202120272994.8U patent/CN215105359U/en active Active
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