Angle iron connecting piece
A technology of connectors and angle steel, which is applied in the direction of construction and building construction, can solve the problems of connection loss, keel deformation, safety hazards, etc., and achieve the effect of reduced force, reasonable force and firm connection
Inactive Publication Date: 2012-05-16
SHANGHAI BESTSTEEL STEEL STRUCTURE BUILDING
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Problems solved by technology
[0002] In steel structure buildings, especially in cold-formed thin-walled steel structure buildings, the connection between the roof truss and the wall is made of general right-angle steel connectors, such as figure 1 As shown, this connection method is to connect the roof truss to the keel of the wall with screws through the angle steel to achieve the effect of fixing the roof truss. When the roof truss is subjected to an upward pull force, the pull force will be transmitted to the wall through the angle steel and screws. The web of the keel, when the pulling force is large, the web of the keel will be plastically deformed, and in severe cases, the fixing screws will be pulled out from the web, so that the connection will lose its function and cause serious safety hazards
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[0011] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0012] like Figure 2-3 As shown, an angle steel connector includes two first connecting plates 2 and a second connecting plate 3 which are at right angles to each other, and also includes a lateral connecting plate 1 which is arranged on two mutually perpendicular connecting plates. On the side of the first connecting plate 2 and the second connecting plate 3, the lateral connecting plate 1 is provided with screw holes 4, the lateral connecting plate 1 is trapezoidal, and the screw holes 4 of the lateral connecting plate 1 are located at two mutually at right angles. Below the first connecting plate 2 and the second connecting plate 3, the present invention greatly reduces the force on the keel web of the wall through the connection of the newly added lateral connecting surface 1, and at the same time, when the upward pulling force of the ro...
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The invention provides an angle iron connecting piece. The angle iron connecting piece comprises two connecting plates having a right angle between each other and also comprises a lateral connecting plate, wherein the lateral connecting plate is arranged at the side surfaces of the two connecting plates having the right angle between each other; a screw hole is formed on the lateral connecting plate; the lateral connecting plate is of trapezoidal shape; and the screw hole on the lateral connecting plate is formed below the two connecting plates having the right angle between each other. While the angle iron connecting piece provided by the invention is compared with the prior art, the stress on the wall body framework web plate is largely reduced through the connection of the additionally arranged lateral connecting plate; meanwhile, it is shear force but not non-uplift force born on the bolt at the connection of the lateral surface and the external side of the wall body; and the anti-shear force of a plurality of bolts is far greater than the uplift resistance of the bolt fixed on the framework web plate; and according to the invention, the connection between the house frame and the wall body is much firmer and the connecting piece is more reasonably stressed.
Description
technical field [0001] The invention relates to a connecting piece, in particular to a three-way angle steel connecting piece used for fixing steel structures. Background technique [0002] In steel structure buildings, especially in cold-formed thin-walled steel structure buildings, the connection between the roof truss and the wall is made of general right-angle steel connectors, such as figure 1 As shown, this connection method is to connect the roof truss to the keel of the wall with screws through the angle steel to achieve the effect of fixing the roof truss. When the roof truss is subjected to an upward pull force, the pull force will be transmitted to the wall through the angle steel and screws. The web of the keel, when the pulling force is large, the web of the keel will be plastically deformed, and in severe cases, the fixing screws will be pulled out from the web, so that the connection will lose its function and cause serious safety hazards. Contents of the in...
Claims
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Inventor 许金勇
Owner SHANGHAI BESTSTEEL STEEL STRUCTURE BUILDING