CN215482994U - Special-shaped flange for connecting square and rectangular pipes - Google Patents
Special-shaped flange for connecting square and rectangular pipes Download PDFInfo
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- CN215482994U CN215482994U CN202121610615.8U CN202121610615U CN215482994U CN 215482994 U CN215482994 U CN 215482994U CN 202121610615 U CN202121610615 U CN 202121610615U CN 215482994 U CN215482994 U CN 215482994U
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Abstract
The utility model discloses a special-shaped flange for connecting square and rectangular pipes, which comprises an end plate; the left limiting part is connected to the left edge of the end plate; a right limit part connected to the right edge of the end plate; an upper limit part which is connected between the left limit part and the right limit part and is positioned at the upper part of the end plate; the lower limiting part is connected between the left limiting part and the right limiting part and is positioned at the lower part of the end plate; the rectangular limit cavity formed by enclosing the components is used for being connected with the end part of the square tube in a sleeved mode. The special-shaped flange is sleeved with the square tube with the corresponding specification, the torsional strength of the steel support can be improved, the support is effectively prevented from deforming in practical application, and the corrosion resistance of a steel structure can be obviously improved due to the closed structure of the special-shaped flange.
Description
Technical Field
The utility model relates to the technical field of foundation pit supporting, in particular to a special-shaped flange for connecting a square tube and a rectangular tube.
Background
At present, the internal deep foundation pit support system mainly comprises two types of reinforced concrete supports and steel supports.
The reinforced concrete support is a framework formed by binding reinforcing steel bars, and a formwork is filled with concrete to form an integral supporting system with the crown beam or the surrounding purlin. Its advantages are high rigidity and simple construction method. The disadvantages are more prominent, mainly manifested in that the forming time is long, and the supporting function can not be rapidly exerted; the dismantling process is time-consuming and labor-consuming, and the vibration, noise and dust pollution are serious; the material can not be reused, and does not accord with the green and environment-friendly concept of modern buildings.
The steel support system takes steel pipes or section steel as main support rods, is connected in the forms of welding, riveting, bolts and the like, and is lapped or fixedly connected with the crown beam and the surrounding purlin to form a support system. The advantages are that: the installation and the removal are convenient, the construction speed is high, and the supporting function can be immediately realized after the installation; after the support is removed, the material can be repeatedly used. The disadvantage is that the single support is not rigid enough and the integrity is not as good as the reinforced concrete support.
Due to the cylindrical shape of the steel pipe support, the overlapping difficulty of adjacent steel pipes is high, and a stable splicing form is not easy to realize; if the supporting rigidity is improved by enlarging the outer diameter of the steel pipe to increase the cross-sectional area, the hoisting difficulty is increased due to the increase of the weight of the standard knot. H shaped steel supports, and the restriction is less to the cross-sectional area, and single support is less than pipe rigidity, need improve overall rigidity through the mode of many amalgamations, but can occupy the foundation ditch space by a wide margin simultaneously, influences the civil engineering construction.
In general, the steel pipe supports are not easy to be transversely spliced, and the rigidity is not suitable to be improved by a mode of thickening the steel pipes; the rigidity of a single H-shaped steel support is low, a plurality of H-shaped steel supports are required to be spliced into a truss system, the occupied space is large, and civil construction is affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem, the utility model provides a special-shaped flange for connecting a square tube and a rectangular tube.
The special-shaped flange is used for constructing different splicing systems of the square tube in the axial direction, the lateral direction, the vertical direction and the like, and when the required rigidity is small, a single square tube can provide enough supporting axial force; when the required rigidity is higher, the square and rectangular pipes can be tightly jointed to realize two-splicing and multiple-splicing, so that the space occupation is reduced; when the need provides sufficient wholeness, can directly utilize current square tube standard component, the vertical connection founds the truss system, can realize accurate construction.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a square tube connects and uses special-shaped flange, includes:
an end plate;
the left limiting part is connected to the left edge of the end plate;
the right limiting part is connected to the right edge of the end plate;
an upper limit part connected between the left limit part and the right limit part and positioned at the upper part of the end plate;
the lower limiting part is connected between the left limiting part and the right limiting part and is positioned at the lower part of the end plate;
the left limiting part, the right limiting part, the upper limiting part and the lower limiting part surround one side surface of the end plate to form a rectangular limiting cavity for being sleeved and connected with the end part of the square tube;
the part of the upper end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, and the part of the lower end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, are provided with a plurality of first connecting through holes, and the first connecting through holes are used for axially butting the special-shaped flange;
the part of the left limiting part, which is positioned on the outer side of the rectangular limiting cavity, and the part of the right limiting part, which is positioned on the outer side of the rectangular limiting cavity, are provided with a plurality of second connecting through holes, and the second connecting through holes are used for laterally splicing the special-shaped flange.
Preferably, the left limiting part is two first wing plates arranged at the upper end and the lower end of the left side of the end plate, and the two first wing plates are vertically intersected with the end plate;
the right limiting part is two second wing plates arranged at the upper end and the lower end of the right side of the end plate, and the two second wing plates are vertically intersected with the end plate;
the first wing plate and the second wing plate are respectively provided with a plurality of second connecting through holes;
the special-shaped flange is characterized by further comprising a batten plate, the two wing plates located on the same side of the special-shaped flange are connected through the side plate, and a third connecting through hole is formed in the position, corresponding to the second connecting through hole in the wing plate, of the side plate.
Preferably, the upper limiting part is a first ribbed plate arranged at the upper part of the end plate, and the first ribbed plate is perpendicularly intersected with the end plate;
the lower limiting part is a second reinforced rib plate arranged at the lower part of the end plate, and the second reinforced rib plate is vertically intersected with the end plate.
Preferably, the end plate is a rectangular steel plate;
the outer edge of the first wing plate is flush with the left side edge of the rectangular steel plate;
the outer edge of the second wing plate is flush with the right side edge of the rectangular steel plate.
Preferably, the second connecting through hole is a kidney-shaped hole.
Preferably, the left limiting part is a first limiting side plate arranged on the left side of the end plate, and the first limiting side plate is perpendicularly intersected with the end plate;
the right limiting portion is a second limiting side plate arranged on the right side of the end plate, and the second limiting side plate is perpendicularly intersected with the end plate.
Preferably, the upper limiting part is an upper bottom plate arranged on the upper part of the end plate, and the upper bottom plate is perpendicularly intersected with the end plate;
the lower limiting part is a lower bottom plate arranged at the lower part of the end plate, and the lower bottom plate is vertically intersected with the end plate;
after the special-shaped flange is sleeved with the square tube, a closed reinforcing box type supporting beam is formed.
Preferably, the end plate is a rectangular steel plate;
the outer edge of the first limiting side plate is flush with the left side edge of the rectangular steel plate;
the outer edge of the second limiting side plate is flush with the edge of the right side of the rectangular steel plate.
Preferably, a first reinforced rib plate is arranged between the end plate and the upper bottom plate which are positioned at the outer side of the rectangular limiting cavity;
and a second reinforced rib plate is arranged between the end plate positioned on the outer side of the rectangular limit cavity and the lower bottom plate.
Has the advantages that:
compared with the existing supporting beam structure, the special-shaped flange for connecting the square and rectangular pipes has the following advantages:
the special-shaped flange is suitable for rectangular hollow section steel, is convenient for axial butt joint and lateral splicing, is provided with three groups of vertical connections, and has a flexible splicing mode.
Secondly, the special-shaped flanges are tightly connected with the square rectangular pipes, and each square rectangular pipe is sleeved and welded with the two special-shaped flanges to form a steel support standard joint; the whole steel support standard knot forms a reinforced box type beam, so that the torsional strength of the square tube is improved, the rigidity of the support beam is improved, the support beam is effectively prevented from deforming in practical application, a closed beam body can be formed, and the corrosion resistance of a steel structure is improved.
Thirdly, according to the special-shaped flange for connecting the square tube, every two steel support standard joint end heads are connected through a batten plate between two side plates located on the same side of the steel support standard joint so as to realize the axial line serial connection of the steel support standard joints, and the corresponding through holes are formed in the positions, corresponding to the through holes in the side plates, of the batten plate.
The utility model relates to a special-shaped flange for connecting a square tube, wherein the surface of the square tube where the long edge of the rectangular cross section is located is taken as an installation surface, and two side plates are symmetrically arranged on each installation surface of the special-shaped flange at the end of the square tube; when a plurality of steel support standard knots are arranged side by side, the side plates of each steel support standard knot are connected through the connecting piece to realize the parallel connection of the steel support standard knots.
The special-shaped flange for connecting the square and rectangular pipes is characterized in that a steel support standard section special-shaped flange end plate and side plates of two steel support special-shaped flanges which are axially butted are connected through a connecting piece to form vertical splicing, and a truss can be formed.
And when the truss is formed, the steel support flange side plate serving as the connecting beam and the steel support end side plate axially connected with the connecting flange side plate are respectively connected with the lateral stabilizing piece with the ribbed plate through the connecting piece, so that the lateral torsion resistance of the connecting beam is improved.
Drawings
FIG. 1 is a schematic view of a connection structure of a special-shaped flange and a steel support standard joint in embodiment 1 of the utility model;
FIG. 2 is a schematic axial assembly diagram of a steel support standard knot using a special-shaped flange in embodiment 1 of the utility model;
fig. 3 is a schematic three-dimensional structure diagram of a special-shaped flange according to embodiment 2 of the present invention;
fig. 4 is a schematic diagram of a three-dimensional structure of a foundation pit steel support standard knot using the special-shaped flange in embodiment 2 of the utility model.
FIG. 5 is a top view of a steel support standard section using the special-shaped flange of example 2 of the present invention;
FIG. 6 is a front view of a steel support standard section using a profiled flange according to example 2 of the present invention;
FIG. 7 is a schematic structural view of a steel support standard node batten plate using the special-shaped flange of the embodiment 2 of the utility model;
FIG. 8 is a structural diagram of a steel support standard joint lateral stabilizing member using the special-shaped flange of embodiment 2 of the utility model;
fig. 9 is a schematic axial assembly diagram of a steel support standard joint using the special-shaped flange of embodiment 2 of the utility model.
Fig. 10 is a schematic side-by-side lateral assembly diagram of a steel support standard section using a special-shaped flange in embodiment 2 of the utility model.
Fig. 11 is a schematic view showing a steel support standard knot connecting beam and an axially connected steel support using the special-shaped flange of embodiment 2 of the utility model, and a truss is vertically assembled.
Fig. 12 is a large view of a steel truss splicing node using the special-shaped flange of embodiment 2 of the utility model.
Fig. 13 is a schematic view of a steel supporting truss system using the special-shaped flange of embodiment 2 of the utility model.
Wherein, 1 is an end plate; 2-1 is a first wing plate; 2-2 is a second wing plate; 3-1 is a first reinforced rib plate; 3-2 is a second reinforced rib plate; 4 is a first connecting through hole; 5 is a second connecting through hole; 6 is a batten plate; 7 is a third connecting through hole; 8 is a square tube; 9-1 is a first limit side plate; 9-2 is a second limit side plate; 10-1 is an upper bottom plate; and 10-2 is a lower bottom plate.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the drawings and specific examples, so that those skilled in the art can further understand the technical solutions of the present invention in detail.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the present invention discloses a special-shaped flange for connecting square pipes, which comprises:
the left limiting part is connected to the left edge of the end plate;
the right limiting part is connected to the right edge of the end plate;
an upper limit part connected to the upper part of the end plate between the left limit part and the right limit part;
a lower limit part connected to the lower part of the end plate between the left limit part and the right limit part;
the rectangular limiting cavity formed by enclosing the components is used for being sleeved and connected with the end part of the square tube;
the part of the upper end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, and the part of the lower end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, are provided with a plurality of first connecting through holes, and the first connecting through holes are used for axially butting the special-shaped flange;
the part of the left limiting part, which is positioned on the outer side of the rectangular limiting cavity, and the part of the right limiting part, which is positioned on the outer side of the rectangular limiting cavity, are provided with a plurality of second connecting through holes, and the second connecting through holes are used for laterally splicing the special-shaped flange.
Example 1
As a preferred embodiment of the special-shaped flange for connecting the square tube, the left limiting part is two first wing plates arranged at the upper end and the lower end of the left side of the end plate, and the two first wing plates are vertically intersected with the end plate;
the spacing portion in the right side is for setting up two second pterygoid laminas at end plate right side upper and lower both ends, and two second pterygoid laminas with the end plate is crossing setting perpendicularly.
The upper limiting part is a first reinforced rib plate arranged at the upper part of the end plate, and the first reinforced rib plate is vertically intersected with the end plate;
the lower limiting part is a second reinforced rib plate arranged at the lower part of the end plate, and the second reinforced rib plate is vertically intersected with the end plate.
Preferably, the end plate is a rectangular steel plate; the outer edge of the first wing plate is flush with the left side edge of the rectangular steel plate.
Preferably, the outer edge of the second wing panel is flush with the right side edge of the rectangular steel panel.
Preferably, the second connecting through hole is a kidney-shaped hole.
Example 2
As another preferred embodiment of the special-shaped flange for connecting the square tube, the left limiting part is a first limiting side plate arranged on the left side of the end plate, and the first limiting side plate and the end plate are perpendicularly arranged in an intersecting manner;
the right limiting portion is a second limiting side plate arranged on the right side of the end plate, and the second limiting side plate is perpendicularly intersected with the end plate.
The upper limiting part is an upper bottom plate arranged at the upper part of the end plate, and the upper bottom plate is vertically intersected with the end plate;
the lower limiting part is a lower bottom plate arranged at the lower part of the end plate, and the lower bottom plate is vertically intersected with the end plate.
Preferably, the end plate is a rectangular steel plate; the outer edge of the first limiting side plate is flush with the left side edge of the rectangular steel plate; the outer edge of the second limiting side plate is flush with the edge of the right side of the rectangular steel plate.
Preferably, a first reinforced rib plate is arranged between the end plate and the upper bottom plate which are positioned at the outer side of the rectangular limiting cavity;
preferably, a second reinforced rib plate is arranged between the end plate and the lower bottom plate which are positioned on the outer side of the rectangular limiting cavity.
Foundation pit steel supporting structure using special-shaped flange
The shaped steel of using this dysmorphism flange supports and contains one or more steel and supports standard festival, every the steel supports standard festival and contains:
a hollow section steel with a rectangular section, which is called a square-rectangular tube for short; and the special-shaped flanges are sleeved at the two ends of the square tube. The special-shaped flange is sleeved and welded with the end part of the square tube.
The first connecting through holes in the end plates at the two ends of the steel support standard knot are connected through the connecting piece, and the axial splicing of the steel support standard knot is realized.
And the two wing plates or the limiting side plates which are positioned on the same side of the steel support standard section are connected through a batten plate on the end heads of every two axially connected steel support standard sections, and corresponding third connecting through holes are arranged on the batten plate corresponding to the second connecting through holes on the wing plates or the limiting side plates.
When a plurality of steel support standard knots are arranged side by side, wing plates or limiting side plates of the steel support standard knots are connected through connecting pieces so as to realize the parallel connection of the steel support standard knots.
When the truss is constructed, the first connecting through hole in the end plate is connected with the wing plates of the two axially butted steel support ends or the second connecting through hole in the limiting side plate through the connecting piece, and vertical splicing is completed to form the truss.
When the steel support forms the truss, the steel support serves as a wing plate or a limiting side plate of the connecting beam, and the wing plate or the limiting side plate of the steel support end connected with the axial direction is connected with the lateral stable part with the rib plate through the connecting piece respectively.
And the end parts of the supporting beams are connected with the foundation pit crown beam and the surrounding purlin through a prestressed structure, an adjustable end and the like at the edge part of the foundation pit to form an integral supporting system. The left limiting part, the right limiting part, the upper limiting part and the lower limiting part of the special-shaped flange are all connected in a welded mode to the same side of the end plate.
The square and rectangular pipe supporting beam steel pipe and the flange are welded in a sleeved mode.
The end plate and the upper and lower top bottom plates are connected in a right angle, and a reinforced rib plate is welded in the region.
When the steel supports are axially connected, the side plates are additionally provided with batten plates;
the steel supports are vertically connected to form a truss system, and the steel supports are used as steel support flange side plates of the connecting beam and are additionally provided with lateral stable parts with rib plates.
Claims (9)
1. The utility model provides a square tube connects and uses special-shaped flange which characterized in that includes:
an end plate;
the left limiting part is connected to the left edge of the end plate;
the right limiting part is connected to the right edge of the end plate;
an upper limit part connected between the left limit part and the right limit part and positioned at the upper part of the end plate;
the lower limiting part is connected between the left limiting part and the right limiting part and is positioned at the lower part of the end plate;
the left limiting part, the right limiting part, the upper limiting part and the lower limiting part surround one side surface of the end plate to form a rectangular limiting cavity for being sleeved and connected with the end part of the square tube;
the part of the upper end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, and the part of the lower end of the end plate, which is positioned at the outer side of the rectangular limiting cavity, are respectively provided with a plurality of first connecting through holes, and the first connecting through holes are used for axially butting a plurality of special-shaped flanges;
the part of the left limiting part, which is positioned on the outer side of the rectangular limiting cavity, and the part of the right limiting part, which is positioned on the outer side of the rectangular limiting cavity, are respectively provided with a plurality of second connecting through holes, and the second connecting through holes are used for laterally splicing a plurality of special-shaped flanges.
2. The special-shaped flange for connecting square pipes according to claim 1,
the left limiting part is two first wing plates welded at the upper end and the lower end of the left side of the end plate, and the two first wing plates are vertically intersected with the end plate;
the right limiting part is two second wing plates welded at the upper end and the lower end of the right side of the end plate, and the two second wing plates are vertically intersected with the end plate;
and the first wing plate and the second wing plate are respectively provided with a plurality of second connecting through holes.
3. The special-shaped flange for connecting square pipes according to claim 2,
the upper limiting part is a first reinforced rib plate welded at the upper part of the end plate, and the first reinforced rib plate is vertically intersected with the end plate;
the lower limiting part is a second reinforced rib plate welded at the lower part of the end plate, and the second reinforced rib plate is vertically intersected with the end plate.
4. The special-shaped flange for connecting square pipes according to claim 3,
the end plates are rectangular steel plates;
the outer edge of the first wing plate is flush with the left side edge of the rectangular steel plate;
the outer edge of the second wing plate is flush with the right side edge of the rectangular steel plate.
5. The special-shaped flange for connecting square pipes according to claim 1,
the second connecting through hole is a waist-shaped hole.
6. A shaped flange according to claim 1,
the left limiting part is a first limiting side plate welded on the left side of the end plate, and the first limiting side plate is perpendicularly intersected with the end plate;
the right limiting portion is a second limiting side plate welded to the right side of the end plate, and the second limiting side plate is perpendicularly intersected with the end plate.
7. The special-shaped flange for connecting square pipes according to claim 6,
the upper limiting part is an upper bottom plate welded on the upper part of the end plate, and the upper bottom plate is vertically intersected with the end plate;
the lower limiting part is a lower bottom plate welded at the lower part of the end plate, and the lower bottom plate is vertically intersected with the end plate;
after the special-shaped flange is sleeved with the square tube, a closed reinforcing box type supporting beam is formed.
8. The special-shaped flange for connecting square pipes according to claim 6,
the end plates are rectangular steel plates;
the outer edge of the first limiting side plate is flush with the left side edge of the rectangular steel plate;
the outer edge of the second limiting side plate is flush with the edge of the right side of the rectangular steel plate.
9. The special-shaped flange for connecting square pipes according to claim 7,
a first reinforced rib plate is arranged between the end plate positioned at the outer side of the rectangular limiting cavity and the upper bottom plate;
and a second reinforced rib plate is arranged between the end plate positioned on the outer side of the rectangular limit cavity and the lower bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121610615.8U CN215482994U (en) | 2021-07-15 | 2021-07-15 | Special-shaped flange for connecting square and rectangular pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121610615.8U CN215482994U (en) | 2021-07-15 | 2021-07-15 | Special-shaped flange for connecting square and rectangular pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482994U true CN215482994U (en) | 2022-01-11 |
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ID=79727585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121610615.8U Active CN215482994U (en) | 2021-07-15 | 2021-07-15 | Special-shaped flange for connecting square and rectangular pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482994U (en) |
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2021
- 2021-07-15 CN CN202121610615.8U patent/CN215482994U/en active Active
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