Prestressed roof truss and profile steel connecting node structure of calendar protection building
Through the cross-set angle steel and clamping components, the stability problem of prestressed concrete roof squad reinforcement is solved, the stable connection of the roof squad is achieved, the limitation of drilling and reinforcement is avoided, and the support capacity and stability of the structure are improved.
Patent Information
- Application Number
- CN202420999460.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The prior art cannot effectively reinforce prestressed concrete roof squads, and the commonly used steel drilling and reinforcement methods are not suitable, resulting in unstable structure.
Using cross-set first and second angle steel, the clamping assembly includes card blocks, bolts and connecting plates. Through a combined structure of welding and bolt nuts, a stable connection node is formed to ensure the fixation of the roof squad while avoiding welding mistakes and weights. Increase.
The stable and reliable connection of the roof squad is achieved, the limitation of hole drilling and reinforcement is avoided, the support capacity and stability of the structure is improved, and the weight of the connecting plate and the reduction of connection strength caused by welding errors is reduced.
Smart Images
Figure CN222207355U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a prestressed roof truss and section steel connection node structure of a historical building. Background Art
[0002] The roof trusses of the Libao factory are mostly made of prestressed concrete. In order to ensure the structural reliability of the Libao factory, steel sections need to be connected between the roof trusses for reinforcement. Since the roof trusses are made of prestressed concrete, it is not suitable to drill holes in the prestressed concrete during reinforcement, and the commonly used steel section drilling reinforcement method cannot be used. Utility Model Content
[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a prestressed roof truss and steel connection node structure for a prefabricated building, so as to reinforce the roof truss of the prefabricated factory building and make its structure stable and reliable.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prestressed roof truss and steel connection node structure of a historical building, comprising a first angle steel and a second angle steel, both ends of the first angle steel and the second angle steel are welded with clamping components, the first angle steel and the second angle steel are cross-arranged in the same horizontal plane, and the first angle steel partitions the second angle steel, and separates the second angle steel into a third angle steel and a fourth angle steel, the end faces of the third angle steel and the fourth angle steel are welded to the first angle steel, and the bottoms of the first angle steel and the second angle steel are welded with connecting plates.
[0005] As a further improvement of the utility model, the clamping assembly includes a clamping block and a bolt. The clamping block is provided with a bayonet. The bolt passes through the bayonet and cooperates with a nut to lock the bayonet.
[0006] As a further improvement of the utility model, a connecting block is extended downward from one end of the clamping block away from the clamping port, and a screw and a nut for tightening the connecting blocks are provided between the opposing connecting blocks.
[0007] As a further improvement of the present invention, the connecting plate is provided with bolts and nuts which are fixed to the first angle steel, the third angle steel and the fourth angle steel respectively.
[0008] As a further improvement of the present invention, the four right angles of the connecting plate are respectively provided with inclination angles.
[0009] The beneficial effects of the utility model are as follows: the roof truss is reinforced by arranging cross-fixed steel sections and clamping components between the roof trusses on both sides, so that the roof truss can be supported stably and reliably. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.
[0011] Figure numbers: 1. First angle steel; 2. Second angle steel; 3. Roof truss; 4. Third angle steel; 5. Fourth angle steel; 6. Connecting plate; 7. Block; 8. Bayonet; 9. Connecting block; 10. Screw; 11. Inclination angle. DETAILED DESCRIPTION
[0012] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.
[0013] Reference Figure 1 As shown, a prestressed roof truss and steel connection node structure of a historical building comprises a first angle steel 1 and a second angle steel 2. Clamping components are welded at both ends of the first angle steel 1 and the second angle steel 2. The clamping components are used to fix the roof truss 3. The first angle steel 1 and the second angle steel 2 are welded on the clamping components to form a common support for the roof truss 3 on both sides. The first angle steel 1 and the second angle steel 2 are cross-arranged in the same horizontal plane, and the first angle steel 1 partitions the second angle steel 2 to separate the second angle steel 2 into a third angle steel 4 and a fourth angle steel 5, the end faces of the third angle steel 4 and the fourth angle steel 5 are welded to the first angle steel 1, and the bottom of the first angle steel 1 and the second angle steel 2 are welded with a connecting plate 6, and the connecting plate 6 is arranged at the bottom of the first angle steel 1 and the second angle steel 2 to further improve the stability of the connection, and the clamping assembly includes a clamping block 7 and a bolt, and the clamping block 7 is provided with a bayonet 8, and the bayonet 8 is used to be plugged into the roof truss 3, and the bolt passes through the bayonet 8 and cooperates with the nut to lock the bayonet 8, and the end of the clamping block 7 away from the bayonet 8 extends downward with a connecting block 9 , screws 10 and nuts for tightening the connecting blocks 9 are provided between the relative connecting blocks 9, bolts and nuts are provided at the bayonet 8 to lock the bayonet 8 to prevent the block 7 from loosening, screws 10 and nuts are provided between the relative connecting plates 6 to further tighten the block 7, so that it can be tightly fixed on the roof truss 3 to prevent loosening, and the cross-arranged first angle steel 1 and the second angle steel 2 also limit the movement of the block 7 on the roof truss 3, so that the block 7 can be reliably fixed on the roof truss 3, the connecting plate 6 is provided with bolts and nuts respectively fixed to the first angle steel 1, the third angle steel 4, and the fourth angle steel 5, so that the fixing between the angle steel and the connecting plate 6 is further improved to avoid the reduction of the connection strength caused by the negligence during welding, and the four right angles of the connecting plate 6 are respectively provided with inclination angles 11, and the inclination angles 11 are set to reduce the weight of the connecting plate 6 to reduce the load of the roof truss 3. In this embodiment, the connecting structure is provided with two groups along the length of the roof truss 3, and in other embodiments, it can be adjusted and arranged according to the length of the roof truss 3.
[0014] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. A prestressed roof truss and steel connection node structure for a historical building, comprising a first angle steel and a second angle steel, characterized in that: Clamping components are welded to both ends of the first angle steel and the second angle steel. The first angle steel and the second angle steel are cross-arranged in the same horizontal plane, and the first angle steel partitions the second angle steel to separate the second angle steel into a third angle steel and a fourth angle steel. The end faces of the third angle steel and the fourth angle steel are welded to the first angle steel, and connecting plates are welded to the bottoms of the first angle steel and the second angle steel.
2. The prestressed roof truss and steel connection node structure of the historical building according to claim 1 is characterized in that: The clamping assembly comprises a clamping block and a bolt. The clamping block is provided with a bayonet. The bolt passes through the bayonet and cooperates with a nut to lock the bayonet.
3. The prestressed roof truss and steel connection node structure of the historical building according to claim 2 is characterized in that: A connecting block is downwardly extended from one end of the clamping block away from the clamping port, and a screw rod and a nut for pressing the connecting blocks are arranged between the opposite connecting blocks.
4. The prestressed roof truss and steel connection node structure of the historical building according to claim 1 is characterized in that: The connecting plate is provided with bolts and nuts which are fixed to the first angle steel, the third angle steel and the fourth angle steel respectively.
5. The prestressed roof truss and steel connection node structure of the historical building according to claim 1 is characterized in that: The four right angles of the connecting plate are respectively provided with inclination angles.