Hole-opening-free node connecting structure of aluminum alloy truss

Abstract

The utility model provides an aluminum alloy truss trepanning-free node connecting structure, which relates to the field of building construction, and comprises a chord member, the side wall of the chord member is provided with a first sliding chute, and the first sliding chute extends along a first direction; wherein the first direction is defined as the length direction of the chord member; one end of each web member is in contact with the same side wall of the chord member; second sliding grooves are formed in the side walls of the web members, and the second sliding grooves extend in the length direction of the related web members. The web members and the chord members form specific included angles; the two connecting plates are positioned on the two sides of the chord members and the web members; and one end of each fixing assembly is arranged in the corresponding first sliding groove or the corresponding second sliding groove, the other end of each fixing assembly is arranged on the corresponding connecting plate, and the chord members, the web members and the connecting plates are fixedly connected. The connecting structure has the effect of improving the rigidity of the connecting structure.

Description

Technical Field

[0001] The present application relates to the field of building construction, and in particular to an aluminum alloy truss node connection structure without opening holes. Background Art

[0002] With the rapid development of modern construction and machinery manufacturing, the requirements for material performance are increasing day by day, and materials need to have characteristics including light weight, high strength and corrosion resistance. Therefore, aluminum alloy trusses have become one of the widely used materials.

[0003] In the prior art, the aluminum alloy truss is fixed in the node connection structure by punching holes. However, in this implementation, the truss structure will be destroyed and the rigidity of the aluminum alloy truss will also be reduced. Utility Model Content

[0004] In order to improve the rigidity of the aluminum alloy truss at the node connection portion, the present application provides an aluminum alloy truss node connection structure without opening a hole.

[0005] To solve the above problems, the technical solution of the utility model is:

[0006] An aluminum alloy truss node connection structure without opening, comprising:

[0007] A chord rod, wherein the side walls of the chord rod are provided with a first slide groove, and the first slide groove extends along the first direction; wherein the first direction is defined as the length direction of the chord rod;

[0008] At least two web members, one end of each of the web members contacts the same side wall of the chord member; each of the side walls of the web members begins to have a second slide groove, and the second slide groove extends along the length direction associated with the web member; and the web member and the chord member form a specific angle;

[0009] Two connecting plates, located on both sides of the chord member and the web member;

[0010] A plurality of fixing components, one end of each fixing component is arranged in the first slide groove or the second slide groove, and the other end of each fixing component is arranged on the connecting plate, and realizes the fixed connection between the chord rod, the web rod and the connecting plate.

[0011] The utility model discloses an aluminum alloy truss node connection structure without opening holes, wherein the fixing assembly comprises bolts and nuts, and the connection plate is provided with a plurality of connection holes;

[0012] The head of the bolt is slidably connected in the first sliding groove or the second sliding groove, and the shaft of the bolt passes through the corresponding connecting hole and is threadedly connected with the nut.

[0013] In the aluminum alloy truss node connection structure without opening holes of the utility model, the fixing assembly further comprises a gasket, and the gasket is arranged between the associated connection plate and the nut.

[0014] The utility model discloses an aluminum alloy truss node connection structure without opening, wherein the number of the web members is three, and they are respectively the first web member, the second web member and the third web member;

[0015] The second web member and the chord member are vertically arranged, and the first web member and the third web member are respectively located between the second web member and the chord member.

[0016] In the aluminum alloy truss node connection structure without openings of the utility model, the first web member and the third web member are both provided with inclined surfaces at their end surfaces facing the chord member, and the inclined surfaces abut against the side walls of the chord member.

[0017] In the aluminum alloy truss node connection structure without openings of the utility model, the angle between the first web member and the chord member is 45°, and the angle between the third web member and the chord member is 45°.

[0018] The utility model discloses an aluminum alloy truss node connection structure without opening a hole, wherein the connection plate is made of aluminum alloy.

[0019] In the aluminum alloy truss node connection structure without openings of the utility model, the bolt spacing on the same chord member or the web member is A, and the value range of A is [30,64] mm.

[0020] In the aluminum alloy truss node connection structure without openings of the utility model, the side wall of the chord member away from the web member is flush with a side wall of the connection plate.

[0021] In the aluminum alloy truss node connection structure without opening of holes of the utility model, the number of the web members is two, which are the first web member and the second web member respectively;

[0022] The second web member and the chord member are vertically arranged, and the first web member is located between the second web member and the chord member.

[0023] Due to the adoption of the above technical solution, the utility model has the following advantages and positive effects compared with the prior art:

[0024] 1. In this solution, the fixing component is arranged in the first slide groove or the second slide groove in a punch-free manner and is fixedly connected to the connecting plate; thereby, the original truss structure is not damaged, the connection strength of the overall structure is improved, and its overall rigidity is improved.

[0025] The chords and webs of this solution are made of aluminum alloy, which has a density of only 1 / 3 of that of steel. Combined with the excellent performance of the truss system, a large-span lightweight structure can be achieved. Aluminum alloy has excellent corrosion resistance and can resist corrosive media such as air, water, and acid, making it particularly suitable for application scenarios such as open aluminum panel curtain walls. Therefore, this connection structure has a wide range of applications.

[0026] Second, the setting of the multi-ribbed rod makes the rigid connection at the connecting structure more reliable.

[0027] 3. The fixing method using bolts, nuts and washers makes installation more convenient; and the bolts can slide freely in the first slide groove of the chord bar and the second slide groove of the web bar, and the position fixation is more flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Schematic diagram of the overall structure of the aluminum alloy truss node connection structure without openings in the present application embodiment

[0029] Figure 2 Exploded view of the node connection structure of the aluminum alloy truss without opening in the embodiment of the present application

[0030] Explanation of the accompanying drawings: 1. chord; 2. web; 3. connecting plate; 4. fixing assembly; 5. bolt; 6. nut; 7. connecting hole; 8. inclined surface; 9. first slide groove; 10. second slide groove. DETAILED DESCRIPTION

[0031] The following is a further detailed description of an aluminum alloy truss node connection structure without openings proposed by the utility model in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the utility model will become more apparent according to the following description and claims.

[0032] See also Figure 1 to Figure 2 The present application provides an aluminum alloy truss node connection structure without openings, comprising a chord 1, at least two webs 2, two connecting plates 3 and a plurality of fixing components 4; a first slide groove 9 is provided on the side wall of the chord 1, and the first slide groove 9 extends along a first direction; wherein the first direction is defined as the length direction of the chord 1; one end of the web 2 contacts the same side wall of the chord 1; a second slide groove 10 is provided on the side wall of the web 2, and the second slide groove 10 extends along the length direction of the associated web 2; and the web 2 and the chord 1 form a specific angle; the two connecting plates 3 are located on both sides of the chord 1 and the web 2; one end of the fixing component 4 is arranged in the first slide groove 9 or the second slide groove 10, and the other end of the fixing component 4 is arranged on the connecting plate 3, and the fixed connection between the chord 1, the web 2 and the connecting plate 3 is realized.

[0033] It is further configured that the side wall of the chord 1 is the outer side surface of the chord 1 parallel to the first direction, and the two ends of the remaining chord 1 are the end surfaces of the chord 1; the same is true for the web 2, the side wall of the web 2 is the outer side surface of the web 2 parallel to the length direction of the web 2 itself, and the two ends of the remaining web 2 are the end surfaces of the web 2.

[0034] In this solution, the fixing component 4 is arranged in the first slide groove 9 or the second slide groove 10 in a punch-free manner and is fixedly connected to the connecting plate 3; thereby, the original truss structure is not damaged, the connection strength of the overall structure is improved, and its overall rigidity is improved.

[0035] The specific structure of the alloy truss node connection structure without openings in this embodiment is further described below:

[0036] In this embodiment, the fixing assembly 4 includes a bolt 5 and a nut 6, and a plurality of connecting holes 7 are opened on the connecting plate 3; the head of the bolt 5 is slidably connected in the first slide groove 9 or the second slide groove 10, and the shaft of the bolt 5 passes through the corresponding connecting hole 7 and is threadedly connected to the nut 6.

[0037] It is further configured that, in order to facilitate the insertion of the head of the bolt 5 into the first slide groove 9 or the second slide groove 10, the first slide groove 9 is passed through the two end surfaces of the chord member 1, and the second slide groove 10 is passed through the two end surfaces of the web member 2; when installing the bolt 5, the head of the bolt 5 is slid from the end surface of the web member 2 or the chord member 1 into the corresponding second slide groove 10 or first slide groove 9, thereby achieving an effect of easy installation.

[0038] It is further provided that the bolts 5 and nuts 6 preferably match the specifications of the sliding holes of the aluminum alloy profiles. For the rods used for the decorative structure in this example, M8 bolts and matching nuts are selected. The number of bolts 5 can be selected according to actual conditions; preferably, three fixing assemblies 4 are provided between the chord 1 and the connecting plate 3, and two fixing assemblies 4 are provided between each web 2 and the connecting plate 3.

[0039] In this embodiment, the fixing assembly 4 further includes a gasket (not shown in the figure), which is arranged between the associated connecting plate 3 and the nut 6 .

[0040] It is further explained that the provision of the gasket makes the connection between the bolt 5, the nut 6 and the connecting plate 3 more secure.

[0041] In this embodiment, there are three web members 2, namely the first web member 2, the second web member 2 and the third web member 2; the second web member 2 and the chord member 1 are vertically arranged, and the first web member 2 and the third web member 2 are respectively located between the second web member 2 and the chord member 1.

[0042] In this embodiment, the end surfaces of the first web member 2 and the third web member 2 facing the chord member 1 are both provided with inclined surfaces 8 , and the inclined surfaces 8 abut against the side wall of the chord member 1 .

[0043] Further explanation is that the setting of the inclined surface 8 increases the contact area with the side wall of the chord member 1, thereby improving its stability. In addition, the end surfaces of adjacent web members 2 facing the chord member 1 abut against each other.

[0044] It is further provided that the position of the web member 2 on the chord member 1 is adjustable and can be adjusted according to the existing actual situation.

[0045] In another embodiment, the number of the web members 2 is two, namely the first web member 2 and the second web member 2 ; the second web member 2 and the chord member 1 are vertically arranged, and the first web member 2 is located between the second web member 2 and the chord member 1 .

[0046] Further, the positions of the web member 2 and the chord member 1 are adjustable; for example, the end of the second web member 2 and the end of the chord member 1 can be combined to form a right angle, which is suitable for more environments. The first web member 2 is located between the second web member 2 and the chord member 1, and the angle between the first web member 2 and the chord member 1 is 45°.

[0047] In this embodiment, the included angle between the first web member 2 and the chord member 1 is 45°, and the included angle between the third web member 2 and the chord member 1 is 45°.

[0048] In this embodiment, the connecting plate 3 is made of aluminum alloy.

[0049] In this embodiment, the spacing between the bolts 5 on the same chord 1 or web 2 is A, and the value range of A is [30, 64] mm.

[0050] In this embodiment, the side wall of the chord member 1 facing away from the web member 2 is flush with a side wall of the connecting plate 3 .

[0051] The implementation process of the embodiment of the present application is: the chord 1 and the web 2 are positioned and spliced, and then the bolt 5 is slid into the corresponding first slide groove 9 and the second slide groove 10, the connecting plate 3 is installed, and the connecting hole 7 on the connecting plate 3 passes through the rod body of the corresponding bolt 5; the gasket and the nut 6 are installed, and the bolt 5 is threadedly connected through the nut 6 so that the connecting plate 3 is pressed against the chord 1 and the web 2, and finally a fixed connection is achieved.

[0052] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the protection scope of the present invention.

Claims

1. An aluminum alloy truss node connection structure without opening, characterized in that: include A chord rod, wherein the side walls of the chord rod are provided with a first slide groove, and the first slide groove extends along the first direction; wherein the first direction is defined as the length direction of the chord rod; At least two web members, one end of each of the web members contacts the same side wall of the chord member; each of the side walls of the web members begins to have a second slide groove, and the second slide groove extends along the length direction associated with the web member; and the web member and the chord member form an angle; Two connecting plates, located on both sides of the chord member and the web member; A plurality of fixing components, one end of each fixing component is arranged in the first slide groove or the second slide groove, and the other end of each fixing component is arranged on the connecting plate, and realizes the fixed connection between the chord rod, the web rod and the connecting plate.

2. The aluminum alloy truss node connection structure without opening according to claim 1 is characterized in that: The fixing assembly includes bolts and nuts, and the connecting plate is provided with a plurality of connecting holes; The head of the bolt is slidably connected in the first sliding groove or the second sliding groove, and the shaft of the bolt passes through the corresponding connecting hole and is threadedly connected with the nut.

3. The aluminum alloy truss node connection structure without opening according to claim 2 is characterized in that: The fixing assembly further includes a gasket, which is disposed between the associated connecting plate and the nut.

4. The aluminum alloy truss node connection structure without opening according to claim 1 is characterized in that: The number of the web bars is three, which are respectively a first web bar, a second web bar and a third web bar; The second web member and the chord member are vertically arranged, and the first web member and the third web member are respectively located between the second web member and the chord member.

5. The aluminum alloy truss node connection structure without opening according to claim 4 is characterized in that: The end surfaces of the first web member and the third web member facing the chord member are both provided with inclined surfaces, and the inclined surfaces abut against the side walls of the chord member.

6. The aluminum alloy truss node connection structure without opening according to claim 5 is characterized in that: The included angle between the first web member and the chord member is 45°, and the included angle between the third web member and the chord member is 45°.

7. The aluminum alloy truss node connection structure without opening according to claim 1 is characterized in that: The connecting plate is made of aluminum alloy.

8. The aluminum alloy truss node connection structure without opening holes according to claim 2 is characterized in that: The bolt spacing on the same chord or web is A, and the value range of A is [30,64] mm.

9. The aluminum alloy truss node connection structure without opening according to claim 1, characterized in that: A side wall of the chord member facing away from the web member is flush with a side wall of the connecting plate.

10. The aluminum alloy truss node connection structure without opening according to claim 1, characterized in that: The number of the web members is two, which are the first web member and the second web member respectively; the second web member and the chord member are vertically arranged, and the first web member is located between the second web member and the chord member.

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