CN216405735U - Primary and secondary beam connecting joint of steel structure - Google Patents
Primary and secondary beam connecting joint of steel structure Download PDFInfo
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- CN216405735U CN216405735U CN202121503369.6U CN202121503369U CN216405735U CN 216405735 U CN216405735 U CN 216405735U CN 202121503369 U CN202121503369 U CN 202121503369U CN 216405735 U CN216405735 U CN 216405735U
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Abstract
The primary and secondary beam connecting node of the steel structure comprises a steel main beam and a steel secondary beam, wherein a connecting assembly is arranged on the steel main beam, and the steel secondary beam is connected with the steel main beam through the connecting assembly; the connecting assembly comprises a shelf, an upper clamping piece and a lower clamping piece, one end surface of the shelf is fixed on the bottom surface of the steel main beam, one side of the steel main beam is arranged above the other end of the shelf, the lower clamping piece is arranged above the other end of the shelf, one end of the upper clamping piece is inserted into the steel main beam, the other end of the upper clamping piece is suspended to one side of the steel main beam, the end part of the steel secondary beam is arranged to be an open structure, the upper clamping piece and the lower clamping piece are inserted into the end part of the steel secondary beam, and the end part of the steel secondary beam is placed on the shelf. According to the primary and secondary beam connecting joint of the steel structure, the connecting assembly is fixedly arranged on the steel main beam, the steel secondary beam can be directly sleeved on the upper clamping piece and the lower clamping piece, the bottom surface of the steel secondary beam is placed on the shelf, the mounting operation is simple, the connection is reliable, and the technical problems that the strength of the steel main beam is weakened due to bolt connection in the prior art are solved.
Description
Technical Field
The utility model belongs to the technical field of steel structure buildings, and particularly relates to a primary and secondary beam connecting node of a steel structure.
Background
In the steel structure building in the prior art, the steel secondary beam and the steel main beam are connected and fixed through a simply supported bolt. The connecting structure of the steel structure building in the prior art has the following disadvantages; the bolted connection between steel girder and the steel secondary beam requires higher installation accuracy, and set up the great bolt hole of easy installation operation and can reduce the structural strength of girder or secondary beam, and the bolt is deviate from or the smooth silk easily under the circumstances such as earthquake moreover, influences building safety.
In summary, it is urgently needed to provide a new primary and secondary beam connection node of a steel structure to solve the technical problems in the prior art that the connection strength between a steel main beam and a steel column is low, the installation accuracy requirement of the main beam and the secondary beam is high, the seismic performance of a structural system is poor, and the like.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the main and secondary beam connecting node of the steel structure is provided to solve the technical problems that the connecting strength between a steel main beam and a steel column is low, the installation precision requirement of the main beam and the secondary beam is high, the anti-seismic performance of a structural system is poor and the like in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a primary and secondary beam connecting node of a steel structure comprises a steel main beam and a steel secondary beam, wherein a connecting assembly is arranged on the steel main beam, and the steel secondary beam is connected with the steel main beam through the connecting assembly; coupling assembling includes the shelf, goes up fastener and fastener down, the one end surface of shelf is fixed in the bottom surface of steel girder, the top of the other end are arranged in one side of steel girder, the fastener sets up down the top of the other end of shelf, the one end of going up the fastener inserts steel girder, the other end hang extremely one side of steel girder, the tip of steel secondary beam sets up to uncovered structure, go up the fastener with the fastener all inserts down in the uncovered structure of steel secondary beam, the tip of steel secondary beam is shelved in the upper surface of shelf. Through setting up the shelf, can place the steel secondary beam on the shelf, realized bearing to the steel secondary beam, through will go up fastener and lower fastener and insert the tip of steel secondary beam, realized the location to the steel secondary beam, avoided the steel secondary beam to take place the displacement.
On the basis of the scheme, in another improved scheme, the steel secondary beam is arranged to be of a cavity structure. The weight of the steel secondary beam is reduced, and the load of the steel main beam is reduced.
On the basis of the scheme, in another improved scheme, the steel main beam is of a cavity structure. Set up like this, reduced the steel quantity of steel girder, reduced manufacturing cost.
On the basis of the scheme, in another improved scheme, a horizontal reinforcing rib is arranged in an internal cavity structure of the steel main beam. The horizontal reinforcing ribs are arranged in the steel main beam, so that the strength of a steel main beam column can be improved, the supporting strength of the steel main beam is prevented from being obviously reduced by the cavity structure, and the overall anti-seismic strength of the primary and secondary beam connecting nodes is improved.
On the basis of the scheme, in another improved scheme, the widths of the upper clamping piece and the lower clamping piece are smaller than or equal to the width of the steel secondary beam. Set up like this, ensure to go up the fastener and can insert the tip of steel secondary beam smoothly with lower fastener, go up the fastener and provide spacing and support to steel secondary beam, lower fastener is spacing to steel secondary beam.
On the basis of the scheme, in another improved scheme, the upper clamping piece and the lower clamping piece are parallel to each other, and the distance between the upper clamping piece and the lower clamping piece is smaller than the height of the steel secondary beam. The arrangement ensures that the upper surface of the steel secondary beam can be placed on the upper clamping piece, and the lower surface of the steel secondary beam is limited by the lower clamping piece.
On the basis of the scheme, in another improved scheme, the lower clamping piece is made of a U-shaped steel plate. The U-shaped steel plate is simple to process and low in cost, and the upper clamping piece can support the end of the steel secondary beam after being inserted into the steel secondary beam.
On the basis of the scheme, in another improved scheme, the upper clamping piece is made of a U-shaped steel plate.
On the basis of the scheme, in another improved scheme, the width of the shelf is larger than that of the lower clamping piece.
The technical scheme of the utility model has the beneficial technical effects that:
the primary and secondary beam connecting nodes of the steel structure in the application are connected together through the connecting assembly, the connecting assembly is fixedly arranged on the steel main beam, the secondary steel beam can be directly sleeved on the upper clamping piece and the lower clamping piece, the bottom surface of the secondary steel beam is placed on the shelf, the mounting and operation are simple, the connection is reliable, and the technical problems of weakening of the steel main beam, and the like caused by bolt connection in the prior art are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic structural view of a steel beam in example 1;
fig. 2 is a schematic structural view of a primary and secondary beam connection node in embodiment 1;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a schematic view of the installation structure of the steel girder and the connection assembly in embodiment 1.
Reference numerals:
2-steel main beam 4-notch 6-horizontal reinforcing rib
11-steel secondary beam 12-connecting component 13-shelf
14-upper clip piece 15-lower clip piece
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to the schematic diagrams of fig. 1 to 4, in the primary and secondary beam connection node of the steel structure in the embodiment, a connection assembly is arranged on the steel primary beam, and the steel secondary beam is connected with the steel primary beam through the connection assembly; coupling assembling includes the shelf, goes up fastener and fastener down, the one end surface of shelf is fixed in the bottom surface of steel girder, the top of the other end are arranged in one side of steel girder, the fastener sets up down the top of the other end of shelf, the one end of going up the fastener inserts steel girder, the other end hang extremely one side of steel girder, the tip of steel secondary beam sets up to uncovered structure, go up the fastener with the fastener all inserts down in the uncovered structure of steel secondary beam, the tip of steel secondary beam is shelved in the upper surface of shelf.
Referring to the schematic diagram of fig. 1, on the basis of the embodiment, in another modified embodiment, the steel main beam is provided with a cavity structure, and a horizontal reinforcing rib is arranged in an internal cavity. In another improved embodiment, four horizontal reinforcing ribs are respectively fixed on the inner wall of the end head of the steel main beam. Four horizontal reinforcing ribs are arranged inside the steel main beam, so that the strength of the end of the steel main beam column can be improved, and the overall anti-seismic strength of the primary and secondary beam connecting node is improved.
Referring to the schematic illustration of fig. 2, on the basis of the above embodiment, in another modified embodiment, the steel secondary beam is provided as a cavity structure. The weight of the steel secondary beam is reduced, and the load of the steel main beam is reduced.
Referring to the schematic diagrams of fig. 2 and 4, on the basis of the embodiment, in another modified embodiment, the widths of the upper clamping piece and the lower clamping piece are both smaller than or equal to the width of the steel secondary beam. Set up like this, ensure to go up the fastener and can insert the tip of steel secondary beam smoothly with lower fastener, go up the fastener and provide spacing and support to steel secondary beam, lower fastener is spacing to steel secondary beam.
Referring to the schematic diagram of fig. 4, on the basis of the embodiment, in another modified embodiment, the upper clamping piece and the lower clamping piece are parallel to each other, and the distance between the upper clamping piece and the lower clamping piece is smaller than the height of the steel secondary beam. The arrangement ensures that the upper surface of the steel secondary beam can be placed on the upper clamping piece, and the lower surface of the steel secondary beam is limited by the lower clamping piece.
Referring to the schematic diagrams of fig. 2 to 4, in the primary and secondary beam connecting node of the present embodiment, the connecting assembly includes a shelf, an upper clip and a lower clip, one end surface of the shelf is fixed on the bottom surface of the steel main beam, the lower clip is arranged above the other end, one end of the upper clip is inserted into the steel main beam, and the other end is suspended above the lower clip; the end part of the lower clamping piece is fixed on the side surface of the steel main beam, and the distance between the lower clamping piece and the shelf is larger than the thickness of the lower surface of the steel secondary beam. The end part of the steel secondary beam is arranged to be an open structure, the upper clamping piece and the lower clamping piece are inserted into the open structure of the steel secondary beam, and the bottom surface of the end part of the steel secondary beam is placed on the upper surface of the shelf. Through setting up the shelf, can place the steel secondary beam on the shelf, realized bearing to the steel secondary beam, through will go up fastener and lower fastener and insert the tip of steel secondary beam, realized the location to the steel secondary beam, avoided the steel secondary beam to take place the displacement.
Referring to the schematic diagram of fig. 4, on the basis of the above embodiment, in another modified embodiment, the upper clamping piece and the lower clamping piece are both made of U-shaped steel plates. The U-shaped steel plate is simple to process and low in cost, and the upper clamping piece can support the end of the steel secondary beam after being inserted into the steel secondary beam.
Referring to the schematic drawings of fig. 1 to 4, the installation process of the primary and secondary beam connection node in the embodiment is briefly described:
firstly, producing a steel main beam, pressing and welding steel plates to form a main body of the steel main beam, cutting a notch on the top side surface of the steel main beam, cutting a notch on the top of the side surface of the steel main beam connected with a steel secondary beam, horizontally inserting the bottom surface of a U-shaped steel plate upwards into the notch to form an upper clamping piece, inserting one end of the U-shaped steel plate into the steel main beam, and fixing the U-shaped steel plate on the steel main beam through welding; welding the shelf on the bottom surface of the steel main beam, wherein one end of the shelf is opposite to the upper clamping piece, a U-shaped steel plate is welded above one end of the partition plate to form a lower clamping piece, the width of the shelf is greater than that of the lower clamping piece, and the lower clamping piece is fixed in the middle of the partition plate in the width direction; producing a steel secondary beam, wherein the end part of the steel secondary beam is of an open structure, the width of the end part of the steel secondary beam is larger than the width of the upper clamping piece and the lower clamping piece, and the width of the end part of the steel secondary beam is smaller than the width of the shelf;
secondly, hoisting 2 steel main beams, connecting two ends of each steel main beam with the steel columns, hoisting the secondary steel beams, clamping the end parts of the secondary steel beams on the upper clamping piece and the lower clamping piece of one of the steel main beams, and placing the bottom surfaces of the end parts of the secondary steel beams on a shelf; the upper clamping piece is tightly propped against the inner wall of the top side of the end part of the steel secondary beam to bear the weight of a part of the steel secondary beam;
and finally, connecting the other end of the steel secondary beam with the connecting component of the other steel main beam.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A primary and secondary beam connecting node of a steel structure is characterized by comprising a steel main beam and a steel secondary beam, wherein a connecting assembly is arranged on the steel main beam, and the steel secondary beam is connected with the steel main beam through the connecting assembly; coupling assembling includes the shelf, goes up fastener and fastener down, the one end surface of shelf is fixed in the bottom surface of steel girder, the top of the other end are arranged in one side of steel girder, the fastener sets up down the top of the other end of shelf, the one end of going up the fastener inserts steel girder, the other end hang extremely one side of steel girder, the tip of steel secondary beam sets up to uncovered structure, go up the fastener with the fastener all inserts down in the uncovered structure of steel secondary beam, the tip of steel secondary beam is shelved in the upper surface of shelf.
2. The primary and secondary beam connection node of a steel structure of claim 1, wherein the secondary beam is configured as a cavity structure.
3. Primary and secondary beam connection node of steel structure according to claim 2, characterized in that the steel primary beam is provided as a cavity structure.
4. Primary and secondary beam connection node of steel structure according to claim 3, characterized in that horizontal stiffeners are provided in the internal cavity structure of the steel primary beam.
5. The primary and secondary beam connecting joint of the steel structure according to claim 4, wherein the widths of the upper clamping piece and the lower clamping piece are less than or equal to the width of the secondary beam.
6. The primary and secondary beam connecting joint of steel structure as claimed in claim 5, wherein said upper and lower clips are parallel to each other, and the distance between said upper and lower clips is less than the height of said secondary beam.
7. The primary and secondary beam connecting joint of steel structure as claimed in claim 6, wherein the lower clip is made of U-shaped steel plate.
8. The primary and secondary beam connecting joint of steel structure as claimed in claim 7, wherein the upper clip is made of U-shaped steel plate.
9. The steel structural primary and secondary beam connecting node of claim 7, wherein the shelf has a width greater than a width of the lower clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503369.6U CN216405735U (en) | 2021-02-24 | 2021-02-24 | Primary and secondary beam connecting joint of steel structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503369.6U CN216405735U (en) | 2021-02-24 | 2021-02-24 | Primary and secondary beam connecting joint of steel structure |
| CN202120407941.2U CN215858274U (en) | 2021-02-24 | 2021-02-24 | Structural system of steel structure building |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120407941.2U Division CN215858274U (en) | 2021-02-24 | 2021-02-24 | Structural system of steel structure building |
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| CN216405735U true CN216405735U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120407941.2U Active CN215858274U (en) | 2021-02-24 | 2021-02-24 | Structural system of steel structure building |
| CN202121503369.6U Active CN216405735U (en) | 2021-02-24 | 2021-02-24 | Primary and secondary beam connecting joint of steel structure |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120407941.2U Active CN215858274U (en) | 2021-02-24 | 2021-02-24 | Structural system of steel structure building |
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| CN (2) | CN215858274U (en) |
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- 2021-02-24 CN CN202120407941.2U patent/CN215858274U/en active Active
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| CN215858274U (en) | 2022-02-18 |
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