CN217232257U - Connecting node of trapezoidal steel house framework of factory building - Google Patents
Connecting node of trapezoidal steel house framework of factory building Download PDFInfo
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- CN217232257U CN217232257U CN202220502964.6U CN202220502964U CN217232257U CN 217232257 U CN217232257 U CN 217232257U CN 202220502964 U CN202220502964 U CN 202220502964U CN 217232257 U CN217232257 U CN 217232257U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
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Abstract
The utility model discloses a building structure engineering technical field's a trapezoidal steel house frame's of factory building connected node, connect into holistic framework post connecting piece including framework post, end stand and with the two, framework post connecting piece includes end stand side angle connector, framework post side angle connector and biography power connecting plate, the inboard pre-buried framework post side built-in fitting that has of framework post, framework post side angle connector is connected with framework post side built-in fitting, end stand side angle connector is connected with the end stand, end stand side angle connector and framework post side angle connector set up long screw along the frame axis direction, and long screw in-hole connection has connecting bolt, it is connected with end stand side angle connector, framework post side angle connector through first fillet weld to pass the power connecting plate. The utility model discloses can solve the unreasonable problem of framework post atress, effectively avoid the end stand to warp the inferior internal force that causes the framework post, reduce engineering cost, and the construction installation is convenient.
Description
Technical Field
The utility model relates to a connected node of trapezoidal steel house frame of factory building belongs to architectural structure engineering technical field.
Background
The span of the steam engine room roof of a large-scale thermal power plant exceeds 30m, and because of the requirement of building water resistance, the roof plate is usually a cast-in-place concrete floor slab, and the load is large. In order to meet the requirements of deformation control and cost control, a trapezoidal steel roof truss is often adopted as the bearing structure of the large-span steam turbine room roof. The vertical deflection and the steel consumption of unit area of the trapezoidal steel roof truss are closely related to the span-height ratio of the roof truss, and the span-height ratio is controlled to be between 6 and 12 under normal conditions. The calculation analysis shows that the steel consumption of the steel roof truss in unit area can be effectively reduced by fully utilizing the height of the roof truss under the condition that the total height of the building is allowed, and the optimization amplitude can reach 50%.
In the conventional structural design scheme, the truss column for supporting the wall maintenance structure is completely separated from the roof truss end upright column, or a connection form capable of releasing horizontal displacement is adopted, so that the axial rigidity of the roof truss cannot be utilized for supporting the truss column. The connection is usually in a form of a node plate and a bolt which are vertically arranged, the contact area of the node plate with a truss column and an upright post at the end of a roof truss is small, and the rigidity of the roof truss is effectively restrained in the direction perpendicular to the axis of the roof truss in the installation process of the roof truss is insufficient.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide a connected node of trapezoidal steel house framework of factory building, can solve the unreasonable problem of framework post atress, effectively avoid the end stand to warp the inferior internal force that causes the framework post, reduce engineering cost, and the construction installation is convenient.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a connection node of a factory building trapezoidal steel house framework, which comprises a frame column, an end column and a frame column connection piece for connecting the frame column and the end column into a whole, wherein the frame column connection piece comprises an end column side connection angle steel, a frame column side connection angle steel and a force transmission connection plate, a frame column side embedded part is embedded in the inner side of the frame column, the frame column side connection angle steel is connected with the frame column side embedded part, the end column side connection angle steel is connected with the end column, the end column side connection angle steel and the frame column side connection angle steel are provided with a long screw hole along the frame axis direction, a connection bolt is connected in the long screw hole, the force transmission connection plate is connected with the end column side connection angle steel and the frame column side connection angle steel through a first fillet weld, the connection node also comprises an end column connection piece for connecting the end column and a bracket into a whole, and the end column and the bracket are hinged in the frame axis direction, the roof truss is rigidly connected in the axial direction vertical to the roof truss.
Further, end stand connecting piece includes that rag bolt, end stand bottom plate and bracket bury the piece, rag bolt arranges in perpendicular roof truss axis direction, end stand bottom plate buries the piece with the bracket and sets up two second fillet weld in parallel roof truss axis direction, and the second fillet weld arranges to be on a parallel with roof truss axis direction.
Furthermore, the frame column side connecting angle steel is connected with the embedded part on the side face of the frame column through a welding seam, and the end upright column side connecting angle steel is connected with the end upright column through a welding seam.
Furthermore, the connecting bolt is an A/B grade refined bolt.
Furthermore, the end upright post side connecting angle steel, the framework post side connecting angle steel and the force transmission connecting plate are arranged in the horizontal direction.
Furthermore, the framework column is of a reinforced concrete structure, and the end upright columns are rectangular steel pipes.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model provides a connecting node of trapezoidal steel house frame of factory building links together roof truss end stand and framework post ingeniously, avoids the roof truss to warp to the adverse effect of framework post simultaneously, improves the stress state of framework post, reduces its cross-section and arrangement of reinforcement by a wide margin, can effectively guarantee the stability of roof truss in the vertical axis direction in the installation simultaneously.
Two, the utility model discloses well roof truss passes through framework column connecting piece and forms effective side direction support to the framework column, is showing the stress state who improves the framework column, eliminates "whip tip effect" of framework column under the seismic action, reduces framework column sectional area arrangement of reinforcement by a wide margin, and economic benefits is showing, and single 1000MW coal fired power plant can save about 30 ten thousand yuan. The end upright post connecting piece is hinged in the axial direction of the roof truss, and meanwhile, a long screw hole is reserved in the axial direction of the roof truss by the connecting angle steel of the framework post connecting piece, so that the horizontal deformation of the end upright post under the action of roof panel construction and equipment load can be effectively released, and secondary internal force on the framework post is avoided.
Drawings
FIG. 1 is a structural diagram of a trapezoidal steel house structure of a factory building provided in an embodiment of the present invention;
fig. 2 is a schematic view of a frame post connector provided by an embodiment of the present invention;
fig. 3 is a schematic view of an end pillar connector according to an embodiment of the present invention.
In the figure: 1-a truss column; 2-end upright posts; 3-a frame post connector; 4-end column connectors; 5-embedding parts on the side surfaces of the framework columns; the 6-end upright post side is connected with angle steel; 7-connecting angle steel at the side of the framework column; 8-a force transmission connecting plate; 9-connecting bolts; 10-a first fillet weld; 11-anchor bolts; 12-end column bottom plate; 13-bracket embedding; 14-a second fillet weld; 15-bracket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
as shown in fig. 1, a connection node of a trapezoidal steel house frame of a factory building comprises a frame column 1, an end upright column 2, a frame column connecting piece 3, an end upright column connecting piece 4 and a frame column side embedded part 5. The framework column connecting piece 3 is connected with the framework column 1 through a framework column side embedded part 5, the framework column connecting piece 3 is directly welded with the end upright post 2, and the framework column 1 and the end upright post 2 are connected into a whole; the end upright 2 is connected with the bracket 15 through an end upright connecting piece 4. The framework column 1, the end upright column 2 and the bracket 15 are connected into an integral stress structure through the framework column connecting piece 3 and the end upright column connecting piece 4. Wherein, the frame column 1 is a reinforced concrete structure, and the end upright column 2 adopts a rectangular steel pipe.
As shown in fig. 2, the frame column connecting member 3 includes an end column side connecting angle 6, a frame column side connecting angle 7, a force transmission connecting plate 8, and a connecting bolt 9. The framework column side connecting angle steel 7 is connected with the framework column side embedded part 5 through a welding seam, and the end upright column side connecting angle steel 6 is connected with the end upright column 2 through a welding seam. The end upright post side angle connector 6 and the framework post side angle connector 7 are provided with long screw holes along the frame axis direction, and are used for releasing the horizontal deformation influence caused by the load of the end upright post 2 in the roof truss construction and equipment installation process. The force transmission connecting plate 8 is connected with the end upright post side connecting angle 6 and the framework post side connecting angle 7 through a first fillet weld 10, horizontal wind load and earthquake load borne by the framework post after construction are effectively transmitted, a bolt hole is a standard screw hole, and the connecting bolt 9 is an A/B-level refined bolt. The horizontal earthquake load and the wind load of the framework column 1 are finally transmitted to the roof truss end upright post 2 through the connecting bolt 9. The end upright post side connecting angle steel 6, the framework post side connecting angle steel 7 and the force transmission connecting plate 8 are arranged in the horizontal direction so as to increase the connecting rigidity in the direction vertical to the axis of the roof truss; the connecting angle steel side limbs are connected with the framework column 1 and the end upright columns 2, so that the contact area is large, and the axial support rigidity is large.
As shown in fig. 3, the end pillar connector 4 includes a foot anchor 11, an end pillar base plate 12, and a bracket insert 13. The anchor bolts 11 are arranged in the direction vertical to the axis of the roof truss and used for fixing the roof truss during the installation of the roof truss, approximate cross-connection constraint is carried out in the axial direction of the roof truss, and rigid connection constraint is carried out in the direction vertical to the axis of the roof truss; two second fillet welds 14 are arranged in the direction parallel to the axis of the roof truss by the end upright post bottom plate 12 and the bracket embedded piece 13, and the second fillet welds 14 are arranged in the direction parallel to the axis of the roof truss and used for transmitting the horizontal shearing force born by the end upright post of the roof truss to the bracket 15. The stress characteristic between the end upright post 2 and the bracket 15 is that the axial direction of the roof truss is hinged, the bending moment and the deformation in the construction process of the roof truss can be fully released, the axial direction of the roof truss is rigid connection, and the stability in the vertical axial direction in the construction engineering of the roof truss is ensured together with the truss column connecting piece 3.
The connecting node construction and installation sequence process comprises the following steps:
step 1: the integral assembly of a single roof truss is completed on the ground, the end upright side connecting angle steel 6 is welded with the end upright 2, and the framework column side connecting angle steel 7 is welded with the embedded part 5 on the side surface of the framework column;
step 2: hoisting the roof truss in place, screwing down nuts of foundation bolts 11, and performing screw hole positioning correction on end stand column side connecting angle steel 6 and framework column side connecting angle steel 7;
and 3, step 3: mounting the connecting bolt 9 and only primarily screwing;
repeating the step 1 to the step 3 until all the roof trusses and supports are installed in place;
and 4, step 4: pouring a concrete roof panel and installing relevant roof equipment;
and 5, step 5: taking out the connecting bolt 9, installing a force transmission connecting plate 8, and welding the force transmission connecting plate with the end upright post side connecting angle steel 6 and the framework post side connecting angle steel 7;
and 6, step 6: reinstalling the connecting bolt 9 and screwing;
the advantages of the connecting node of the trapezoidal steel house framework are briefly described as follows:
1. the construction and the installation are convenient. The framework column connecting piece is connected through bolts, the end upright post connecting piece is connected through anchor bolts, the installation is convenient, and the on-site construction difficulty is low. The welded connection of the connecting angle steel, the framework column and the end column can be respectively welded before the roof truss is installed in place, and the construction space is not limited. The installation and welding of the force transmission connecting piece are carried out after all the roofs and the supporting structures are installed, and the overall construction progress is not influenced. Each connecting piece size is relatively less, and the singleton weight is light, and the installation is convenient.
2. The angle steel side limbs of the frame column are respectively connected with the end upright columns and the frame column, the contact area of the angle steel side limbs with the frame column is large, the supporting rigidity is large, the stress state of the frame column is obviously improved, the 'whip tip effect' of the frame column under the action of an earthquake is eliminated, and the sectional area reinforcing bars of the frame column are greatly reduced.
3. The framework column connecting piece adopts a horizontal arrangement scheme, so that the bending rigidity in the direction vertical to the axis of the roof truss is increased, and the integral stability in the installation process of the roof truss is facilitated.
4. The anchor bolts of the end upright post connecting pieces are arranged in the direction perpendicular to the axis of the roof truss, the welding seams are arranged in the direction parallel to the axis of the roof truss, and the end upright posts are in a hinged stress state in the direction of the axis of the roof truss. The truss column connecting angle steel is provided with a long screw hole in the axial direction of the roof truss, and the bending moment and the rotating deformation of the stand column at the releasing end under the load action of the roof panel and the equipment are avoided, so that the adverse effect of secondary internal force on the truss column is avoided.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A connection node of a factory building trapezoidal steel house framework is characterized by comprising a framework column, an end column and a framework column connection piece for connecting the framework column and the end column into a whole, wherein the framework column connection piece comprises end column side connection angle steel, framework column side connection angle steel and a force transmission connection plate, a framework column side embedded part is embedded in the inner side of the framework column, the framework column side connection angle steel is connected with the framework column side embedded part, the end column side connection angle steel is connected with the end column, a long screw hole is formed in the framework column side connection angle steel and the framework column side connection angle steel along the axial direction of the framework, a connection bolt is connected in the long screw hole, the force transmission connection plate is connected with the end column side connection angle steel and the framework column side connection angle steel through a first angle welding line, the connection node further comprises an end column connection piece for connecting the end column and a bracket into a whole, and the end column is hinged with the bracket in the axial direction of the house framework, the roof truss is rigidly connected in the axial direction vertical to the roof truss.
2. The connection node of factory building trapezoidal steel house structure of claim 1, characterized in that, the end stand column connecting piece includes an anchor bolt, an end stand column bottom plate and a bracket embedded piece, the anchor bolt is arranged in the direction perpendicular to the axis of the roof truss, the end stand column bottom plate and the bracket embedded piece are provided with two second fillet welds in the direction parallel to the axis of the roof truss, and the second fillet welds are arranged in the direction parallel to the axis of the roof truss.
3. The connection node of the factory building trapezoidal steel roof frame as claimed in claim 1, wherein the frame column side connection angle steel is connected with the frame column side embedded part through a welding seam, and the end column side connection angle steel is connected with the end column through a welding seam.
4. The connection node of the factory building trapezoidal steel house structure of claim 1, wherein the connection bolt is an a/B class fine bolt.
5. The connection node of the factory building trapezoidal steel house structure of claim 1, wherein the end column side connection angle steel, the framework column side connection angle steel and the force transmission connection plate are arranged horizontally.
6. The connection node of the factory building trapezoidal steel house frame of claim 1, wherein the frame column is a reinforced concrete structure, and the end columns are rectangular steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502964.6U CN217232257U (en) | 2022-03-07 | 2022-03-07 | Connecting node of trapezoidal steel house framework of factory building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502964.6U CN217232257U (en) | 2022-03-07 | 2022-03-07 | Connecting node of trapezoidal steel house framework of factory building |
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| Publication Number | Publication Date |
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| CN217232257U true CN217232257U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220502964.6U Active CN217232257U (en) | 2022-03-07 | 2022-03-07 | Connecting node of trapezoidal steel house framework of factory building |
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| CN (1) | CN217232257U (en) |
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- 2022-03-07 CN CN202220502964.6U patent/CN217232257U/en active Active
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