Large arc-shaped top truss steel structure

Abstract

The utility model relates to a large arc-shaped top truss steel structure which structurally comprises a plurality of arc-shaped frame bodies which are parallel to one another and are respectively formed by connecting a plurality of triangular folding truss mechanisms, rectangular connecting frames and connecting rods are connected between the adjacent arc-shaped frame bodies, and the end parts of the inner sides of the adjacent triangular folding truss mechanisms are mutually inserted and fixed through bolts. Connecting mechanisms are inserted between the outer side ends of the adjacent triangular folding truss mechanisms and fixed through bolts, the arc-shaped frame body on the outermost side is evenly connected with a plurality of supporting columns, and a plurality of supporting beams are connected between the supporting columns. The arc-shaped frame body formed by the triangular folding truss mechanism can effectively simplify construction. The arc-shaped three-dimensional structure has the advantages that the structural design is reasonable, the triangular folding truss mechanisms are mutually connected to form a main arc-shaped framework, and a reinforcing structure is supplemented, so that the construction can be effectively simplified, the arc-shaped three-dimensional structure has smaller self-sinking amount, and the structural stability can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a large-scale arc-shaped top truss steel structure, belonging to the technical field of trusses. Background Art

[0002] The curved top truss steel structure generally requires welding of the curved frame structure of the required size first, and then erecting other supporting reinforcement parts. The construction is cumbersome, and the integral curved frame structure has its own sinking due to its huge overall structure, which affects the stability of the structure. Considering the use of triangular folding trusses connected to each other to form a curved top truss steel structure, it can effectively simplify the construction and improve stability. Utility Model Content

[0003] The utility model provides a large-scale arc-shaped top truss steel structure, the purpose of which is to overcome the above-mentioned deficiencies in the prior art, simplify construction and improve structural stability.

[0004] The technical solution of the utility model is as follows: a large arc-shaped top truss steel structure, which includes a plurality of parallel arc-shaped frames connected by a plurality of triangular folding truss mechanisms, a rectangular connecting frame and a connecting rod are connected between adjacent arc-shaped frames, the inner ends of adjacent triangular folding truss mechanisms are plugged into each other and fixed by latches, the outer ends of adjacent triangular folding truss mechanisms are plugged with a connecting mechanism and fixed by latches, the outermost arc-shaped frame is evenly connected with a plurality of supporting columns, and a plurality of supporting beams are connected between the supporting columns. The arc-shaped frame composed of triangular folding truss mechanisms can effectively simplify the construction.

[0005] Preferably, the triangular folding truss mechanism comprises two monolithic trusses connected by rotation between the top edges, the monolithic trusses comprise two circular tubes arranged parallel and spaced from top to bottom, a plurality of square tubes connected between the circular tubes, the two square tubes on both sides are parallel to each other and perpendicular to the two circular tubes on the top and bottom, the plurality of square tubes in the middle are staggered in an M shape, and the two ends of the circular tubes are provided with truss connectors with connecting holes of matching shape; the two circular tubes on the top of the two monolithic trusses are parallel to each other and connected by rotation through a plurality of connecting hinges; two connecting straps are connected between the corresponding square tubes on both sides of the two monolithic trusses and a closing connecting strap is provided respectively, the two connecting straps are connected by rotation at one end and connected by rotation at the other end to the side of a square tube. During transportation and storage, the connecting straps are folded into an inverted V shape, the two monolithic trusses rotate close to each other around the connecting hinge, and the two monolithic trusses are connected by the closing connecting strap; when used in an open position, the latch is pulled out to release the closing connecting strap, the two monolithic trusses rotate away from each other around the connecting hinge, and the connecting straps are unfolded into a straight line.

[0006] Preferably, the truss connectors of adjacent circular tubes at the bottom of the corresponding single-piece trusses of the adjacent triangular folding truss mechanisms are plugged into each other and fixed by pins, and a connecting mechanism is connected between the truss connectors of two pairs of adjacent circular tubes at the top of the single-piece trusses of the adjacent triangular folding truss mechanisms, and the connecting mechanism includes a pair of connecting plates with connecting holes that match the shapes of the truss connectors on both sides, and the connecting plates and the truss connectors on both sides are plugged into each other and fixed by pins.

[0007] Preferably, a center block with screw holes on the side is fixed between the two connecting pieces, a connecting rod is inserted through the middle of the center block, a plurality of adjustment holes are arranged on the connecting rod along the length direction on the side corresponding to the screw holes of the center block, the connecting rod is fixed to the center block by bolts passing through the screw holes and the adjustment holes of the center block, and a support is arranged on the top of the connecting rod. The support can be used to install rain shelter equipment, and the height can be adjusted as needed.

[0008] The advantages of the utility model are as follows: the structure is reasonably designed, and the main arc-shaped structure is formed by interconnecting the triangular folding truss mechanism, and supplemented by a reinforcement structure, which can effectively simplify the construction. The arc-shaped three-dimensional structure has a small amount of its own sinking, which can effectively improve the structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of a large-scale arc-shaped top truss steel structure of the utility model.

[0010] Figure 2 yes Figure 1 Structural schematic diagram of the middle triangle folding truss mechanism.

[0011] Figure 3 yes Figure 1 Schematic diagram of the structure of the connecting mechanism.

[0012] In the figure, 1 is a triangular folding truss mechanism, 11 is a single-piece truss, 111 is a round tube, 112 is a square tube, 12 is a connecting hinge, 13 is a connecting strap, 14 is a closing connecting piece, 15 is a truss connector, 2 is a connecting mechanism, 21 is a connecting piece, 22 is a center block, 23 is a connecting rod, 24 is a support member, 25 is an adjustment hole, 3 is a rectangular connecting frame, 4 is a connecting rod, 5 is a supporting column, and 6 is a supporting beam. DETAILED DESCRIPTION

[0013] The utility model is further described in detail below in conjunction with embodiments and specific implementation methods.

[0014] like Figure 1As shown, a large-scale arc-shaped top truss steel structure comprises a plurality of parallel arc-shaped frames respectively connected by a plurality of triangular folding truss mechanisms 1, a rectangular connecting frame 3 and a connecting rod 4 are connected between adjacent arc-shaped frames, the inner ends of adjacent triangular folding truss mechanisms 1 are plugged into each other and fixed by pins, a connecting mechanism 2 is plugged between the outer ends of adjacent triangular folding truss mechanisms 1 and fixed by pins, the outermost arc-shaped frame is evenly connected with a plurality of supporting columns 5, and a plurality of supporting beams 6 are connected between the supporting columns 5.

[0015] During construction, several triangular folding truss mechanisms 1 are used to connect several arc-shaped frames, and rectangular connecting frames 3 and connecting rods 4 are connected between adjacent arc-shaped frames for reinforcement. Finally, support columns 5 and support beams 6 are arranged for further reinforcement.

[0016] like Figure 2 As shown, the triangular folding truss mechanism 1 includes two monolithic trusses 11 rotatably connected between the top edges, the monolithic trusses 11 include two circular tubes 111 arranged parallel and spaced apart from each other, a plurality of square tubes 112 are connected between the circular tubes 111, the two square tubes 112 on both sides are parallel to each other and perpendicular to the two circular tubes 111 on the upper and lower sides, and the plurality of square tubes 112 in the middle are staggered in an M shape, and truss connectors 15 with connecting holes of matching shapes are provided at both ends of the circular tubes 111; the two circular tubes 111 at the top of the two monolithic trusses 11 are parallel to each other and rotatably connected by a plurality of connecting hinges 12; two connecting straps 13 are connected between the corresponding square tubes 112 on both sides of the two monolithic trusses 11, and a closing connecting piece 14 is provided respectively, the two connecting straps 13 are rotatably connected at one end and rotatably connected at the other end to the side of a square tube 112.

[0017] In the expanded state, the two connecting straps 13 on each side of the two single-piece trusses 1 are unfolded into a straight line shape, and the adjacent closed connecting straps 14 are not connected. In the folded state, the two connecting straps 13 on each side of the two single-piece trusses 11 are folded into an inverted V shape, and the adjacent closed connecting straps 14 are connected to each other with fixed pins.

[0018] During transportation and storage, the connecting piece 13 is folded into an inverted V shape, the two single-piece trusses 11 rotate closer together around the connecting hinge 12, and the two single-piece trusses 11 are connected by closing the connecting piece 14; when it is opened for use, the latch is pulled out to release the closing connecting piece 14, the two single-piece trusses 1 rotate away from each other around the connecting hinge 12, and the connecting piece 13 is unfolded into a straight line.

[0019] like Figure 2 , 3As shown, the truss connectors 15 of the adjacent circular tubes 111 at the bottom of the corresponding single-piece trusses 11 of the adjacent triangular folding truss mechanisms 1 are plugged into each other and fixed by pins, and a connecting mechanism 2 is connected between the truss connectors 15 of the two pairs of adjacent circular tubes 111 at the top of the single-piece trusses 11 of the adjacent triangular folding truss mechanisms 1. The connecting mechanism 2 includes a pair of connecting pieces 21 with connecting holes that match the shapes of the truss connectors 15 on both sides, and the connecting pieces 21 and the truss connectors 15 on both sides are plugged into each other and fixed by pins; a center block 22 with screw holes on the side is fixed between the two connecting pieces 21, a connecting rod 23 is inserted through the middle of the center block 22, and a plurality of adjustment holes 25 are provided on the connecting rod 23 along the length direction on the side corresponding to the screw holes of the center block 22, the connecting rod 23 and the center block 22 are fixed by bolts passing through the screw holes of the center block 22 and the adjustment holes 25, and a support member 24 is provided on the top of the connecting rod 23.

[0020] The support member 24 can be used to install rain shelter equipment, and the height can be adjusted as needed.

[0021] All the components mentioned above are prior art, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0022] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. Large curved top truss steel structure, characterized by: The invention comprises a plurality of parallel arc-shaped frames respectively connected by a plurality of triangular folding truss mechanisms (1), wherein a rectangular connecting frame (3) and a connecting rod (4) are connected between adjacent arc-shaped frames, the inner ends of adjacent triangular folding truss mechanisms (1) are plugged into each other and fixed by a latch, and a connecting mechanism (2) is plugged between the outer ends of adjacent triangular folding truss mechanisms (1) and fixed by a latch, and the outermost arc-shaped frame is evenly connected to a plurality of supporting columns (5), and a plurality of supporting beams (6) are connected between the supporting columns (5).

2. The large-scale curved top truss steel structure according to claim 1, characterized in that: The triangular folding truss mechanism (1) comprises two monolithic trusses (11) rotatably connected between top edges, the monolithic trusses (11) comprising two circular tubes (111) arranged parallel to each other and spaced apart from each other, a plurality of square tubes (112) connected between the circular tubes (111), the two square tubes (112) on both sides are parallel to each other and perpendicular to the two circular tubes (111) on the upper and lower sides, the plurality of square tubes (112) in the middle are staggeredly distributed in an M shape, and truss connectors (15) with connecting holes of matching shape are provided at both ends of the circular tubes (111); the two circular tubes (111) on the top of the two monolithic trusses (11) are parallel to each other and rotatably connected between them via a plurality of connecting hinges (12); two connecting straps (13) are connected between the corresponding square tubes (112) on both sides of the two monolithic trusses (11) and a closing connecting piece (14) is provided respectively, the two connecting straps (13) are rotatably connected between each other at one end and are rotatably connected to the side of a square tube (112) at the other end.

3. The large curved top truss steel structure according to claim 2, characterized in that: The truss connectors (15) of the adjacent circular tubes (111) at the bottom of the corresponding single-piece trusses (11) of the adjacent triangular folding truss mechanisms (1) are plugged into each other and fixed by means of latches. A connecting mechanism (2) is connected between the truss connectors (15) of the two pairs of adjacent circular tubes (111) at the top of the single-piece trusses (11) of the adjacent triangular folding truss mechanisms (1). The connecting mechanism (2) comprises a pair of connecting plates (21) with connecting holes that match the shapes of the truss connectors (15) on both sides. The connecting plates (21) and the truss connectors (15) on both sides are plugged into each other and fixed by means of latches.

4. The large curved top truss steel structure according to claim 3, characterized in that: A center block (22) with screw holes on the side is fixed between the two connecting pieces (21), a connecting rod (23) is inserted through the middle of the center block (22), a plurality of adjustment holes (25) are provided on the connecting rod (23) along the length direction on the side corresponding to the screw holes of the center block (22), the connecting rod (23) and the center block (22) are fixed by bolts passing through the screw holes of the center block (22) and the adjustment holes (25), and a support member (24) is provided on the top of the connecting rod (23).

Images