Connecting node for connecting secondary truss and primary truss

Abstract

The utility model relates to the field of constructional engineering, aims to solve the problem of how to improve the construction quality of a connecting node and improve the safety of the connecting node, and provides a connecting node for connecting a secondary truss and a primary truss. The connecting node for connecting the secondary truss and the primary truss comprises a node main body, a supporting rod, a connecting plate and a stiffening rib. The node body has an inner cavity. One end of the supporting rod is connected with the node body, and the other end of the supporting rod protrudes towards the main truss piece. One end of the connecting plate is connected with the node body, and the other end of the connecting plate protrudes towards the secondary truss piece. The stiffening ribs are arranged at the positions, close to the connecting plates, of the inner cavities, the stiffening ribs are connected with the joint body to be used for transmitting force of the connecting plates, so that force from the secondary truss pieces is transmitted to the stiffening ribs through the connecting plates, and therefore the stiffening ribs and the joint body jointly bear loads of the secondary truss pieces. Therefore, the effects of improving the construction quality of the connection node and improving the safety of the connection node are achieved.

Description

Technical Field

[0001] The present application relates to the field of construction engineering, and in particular to a connection node for connecting a secondary truss and a main truss. Background Art

[0002] In the structure of large venues, the main trusses and secondary trusses are located on the roof of the venues. The main trusses and secondary trusses adopt a spatial tube truss structure, and rods in multiple directions intersect at the junction of the secondary trusses and the main trusses.

[0003] In the prior art, rods in multiple directions meet at the connection node, and the connection node is subjected to forces in different directions. The forces on the connection node are complex, and the connection node has problems such as low construction quality and poor safety. How to solve the above technical problems is what the technicians in this field need to consider. Utility Model Content

[0004] The present application provides a connection node for connecting a secondary truss and a main truss to solve the problem of how to improve the construction quality of the connection node and enhance the safety of the connection node.

[0005] An embodiment of the present application provides a connection node for connecting a secondary truss with a main truss, comprising a node body, a support rod, a connection plate and a stiffening rib. The node body has an inner cavity. The support rod is used for welding connection with the main truss member, one end of the support rod is connected to the node body and the other end protrudes toward the main truss member. The connection plate is used for plugging with the secondary truss member, one end of the connection plate is connected to the node body and the other end protrudes toward the secondary truss member. The stiffening rib is arranged at a position of the inner cavity close to the connection plate, and the stiffening rib is connected to the node body to transmit the force of the connection plate.

[0006] Compared with the prior art, the connection node for connecting the secondary truss and the main truss provided in the present embodiment is configured by arranging stiffening ribs in the inner cavity of the node body so that the force from the secondary truss member is transmitted to the stiffening ribs through the connecting plate, so that the stiffening ribs and the node body jointly bear the load of the secondary truss member; the force of the main truss member is transmitted through the support rod, and the support rod protrudes toward the main truss member so that the node body bears the load along the length direction of the main truss member, thereby improving the stability of the connection between the main truss member and the node body, so as to achieve the effect of improving the construction quality of the connection node and improving the safety of the connection node.

[0007] In a possible implementation manner, a cross section of the support rod is the same as a cross section of the main truss member.

[0008] In a possible implementation, the main truss member includes a plurality of main truss rods, the plurality of main truss rods are arranged at intervals, and a plurality of support rods are provided, and the support rods correspond to the main truss rods one by one.

[0009] In a possible implementation, the secondary truss member includes a diagonal web member, the diagonal web member is connected to the connecting plate along a direction inclined to the node body, and a cross-sectional diameter of the diagonal web member is smaller than a width of the connecting plate.

[0010] In a possible implementation manner, a reinforcing rib is disposed at one end of the connecting plate away from the diagonal web member, and the reinforcing rib is fixedly connected to the node body and the connecting plate.

[0011] In a possible implementation, the secondary truss member includes a chord, the chord is connected to the connection plate along a direction perpendicular to the node body, and a cross-sectional diameter of the chord is smaller than a width of the connection plate.

[0012] In a possible implementation, the node body extends along a horizontal direction, and the support rods are arranged at both ends of the node body along the horizontal direction and at a side away from the ground.

[0013] In a possible implementation manner, the connection plate is provided on a side of the node body close to the ground.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0015] 1. The connection node for connecting the secondary truss and the main truss provided in this embodiment is welded to the main truss member by setting a support rod, and plugged into the secondary truss member by a connection plate, so that the structure of the connection node is simple, the force transmission path is clear, the force transmission is direct and reliable, and the construction is convenient;

[0016] 2. By arranging stiffening ribs in the inner cavity of the node body, the force from the secondary truss member is transmitted to the stiffening ribs through the connecting plate, so that the stiffening ribs and the node body jointly bear the load of the secondary truss member; the force of the main truss member is transmitted through the support rod, and the support rod protrudes toward the main truss member, so that the node body bears the load along the length direction of the main truss member, thereby improving the stability of the connection between the main truss member and the node body, so as to achieve the effect of improving the construction quality of the connection node and improving the safety of the connection node. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic structural diagram of a connection node for connecting a secondary truss and a main truss according to an embodiment of the present application;

[0019] Figure 2 for Figure 1 A cross-sectional view of the connection node for connecting the secondary truss and the main truss along line II;

[0020] Figure 3 for Figure 1 A cross-sectional view of the connection node used to connect the secondary truss to the main truss along the II-II line.

[0021] Description of main component symbols:

[0022] 1. Connection node for connecting secondary truss and main truss; 11. Node body; 111. Inner cavity; 12. Support rod; 121. First branch; 122. Second branch; 123. Third branch; 124. Fourth branch; 125. Fifth branch; 13. Connecting plate; 131. First connection; 132. Second connection; 14. Stiffening rib; 15. Main truss member; 151. Main truss rod; 16. Secondary truss member; 161. Diagonal web member; 162. Reinforcement rib; 163. Chord; 17. Horizontal direction; 18. Vertical direction. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0024] Some embodiments of the present application are described in detail. In the absence of conflict, the following embodiments and features of the embodiments can be combined with each other.

[0025] Example

[0026] See also Figures 1 to 3 As shown, this embodiment provides a connection node 1 for connecting a secondary truss with a main truss, comprising a node body 11, a support rod 12, a connection plate 13 and a stiffening rib 14. The node body 11 has an inner cavity 111. The support rod 12 is used for welding connection with the main truss member 15, one end of the support rod 12 is connected to the node body 11, and the other end protrudes toward the main truss member 15. The connection plate 13 is used for plugging with the secondary truss member 16, one end of the connection plate 13 is connected to the node body 11, and the other end protrudes toward the secondary truss member 16. The stiffening rib 14 is arranged at a position of the inner cavity 111 close to the connection plate 13, and the stiffening rib 14 is connected to the node body 11 to transmit the force of the connection plate 13.

[0027] The connection node 1 for connecting the secondary truss and the main truss provided in this embodiment is provided with a stiffening rib 14 in the inner cavity 111 of the node body 11, so that the force from the secondary truss member 16 is transmitted to the stiffening rib 14 through the connecting plate 13, so that the stiffening rib 14 and the node body 11 jointly bear the load of the secondary truss member 16; the force of the main truss member 15 is transmitted through the support rod 12, and the support rod 12 protrudes toward the main truss member 15, so that the node body 11 bears the load along the length direction of the main truss member 15, thereby improving the stability of the connection between the main truss member 15 and the node body 11, so as to improve the construction quality of the connection node and improve the safety of the connection node.

[0028] The node body 11 is made of cast steel material, and the cross section of the node body 11 is circular. The node body 11, the support rod 12, the connecting plate 13 and the stiffening rib 14 are connected in one piece.

[0029] In a possible implementation, the cross section of the support rod 12 is the same as the cross section of the main truss member 15 .

[0030] The end surface of the support rod 12 is connected to the end surface of the main truss member 15 by welding.

[0031] In a possible implementation, the main truss member 15 includes a plurality of main truss rods 151 , the plurality of main truss rods 151 are arranged at intervals, a plurality of support rods 12 are provided, and the support rods 12 correspond to the main truss rods 151 one by one.

[0032] According to the structure of the actual venue construction, multiple main truss rods 151 extend from different directions toward the node body 11, and the support rods 12 protrude from the surface of the node body 11 toward the length direction of the main truss rods 151. The support rods 12 connect the node body 11 and the main truss rods 151 along the length direction of the main truss rods 151, so that the node body 11 is stably connected to the main truss rods 151.

[0033] In a possible implementation, the node body 11 extends along a horizontal direction 17 , and support rods 12 are provided at both ends of the node body 11 along the horizontal direction 17 and at a side away from the ground.

[0034] In a possible implementation, a connection plate 13 is provided on a side of the node body 11 close to the ground.

[0035] Combination Figure 1As shown, in this embodiment, the support rod 12 includes a first branch 121, a second branch 122, a third branch 123, a fourth branch 124 and a fifth branch 125. The first branch 121 is fixedly connected to the upper side of the node body 11 along the vertical direction 18, and the upper side of the node body 11 is also provided with a second branch 122 and a third branch 123. The fourth branch 124 is provided at one end of the node body 11 along the horizontal direction 17, and the fifth branch 125 is provided at the other end. The first branch 121, the second branch 122, the third branch 123, the fourth branch 124 and the fifth branch 125 are respectively connected to the main truss rod 151 in a one-to-one correspondence.

[0036] The connecting plate 13 includes a first connecting portion 131 and a second connecting portion 132. The first connecting portion 131 is fixedly connected to the lower side of the node body 11 along the vertical direction 18, and the first connecting portion 131 corresponds to the first branch 121 along the vertical direction 18. The second connecting portion 132 is fixedly connected to the lower side of the node body 11 along a direction that is angled with the vertical direction 18. The first connecting portion 131 and the second connecting portion 132 are arranged at an angle to jointly and stably support the node body 11.

[0037] In this embodiment, the secondary truss member 16 includes a diagonal web member 161 , which is connected to the second connection portion 132 along a direction inclined to the node body 11 , and a cross-sectional diameter of the diagonal web member 161 is smaller than a width of the second connection portion 132 .

[0038] The diagonal brace 161 is connected to the second connection portion 132 along a direction inclined with the node body 11 to increase the stability of the node body 11 .

[0039] In this embodiment, a reinforcing rib 162 is disposed at one end of the second connection portion 132 away from the diagonal web member 161 , and the reinforcing rib 162 is fixedly connected between the node body 11 and the second connection portion 132 .

[0040] The reinforcing ribs 162 are used to increase the strength of the second connection portion 132 to enhance the stability of the second connection portion 132 connecting the diagonal web member 161 and the node body 11 .

[0041] In a possible implementation, the secondary truss member 16 includes a chord 163 , the chord 163 is connected to the first connection portion 131 along a direction perpendicular to the node body 11 , and a cross-sectional diameter of the chord 163 is smaller than a width of the first connection portion 131 .

[0042] In this embodiment, the diagonal web member 161 and the chord member 163 jointly support the node body 11 from the lower side of the node body 11, the chord member 163 supports the node body 11 along the vertical direction 18, and the diagonal web member 161 supports the node body 11 along a direction inclined to the node body 11, so that the diagonal web member 161 and the chord member 163 stably support the node body 11.

[0043] In summary, the connection node 1 for connecting the secondary truss and the main truss provided in this embodiment is welded and connected to the main truss member 15 by setting the support rod 12, and plugged with the secondary truss member 16 by the connection plate 13, so that the structure of the connection node is simple, the force transmission path is clear, the force transmission is direct and reliable, and the construction is convenient. By setting the stiffening rib 14 in the inner cavity 111 of the node body 11, the force from the secondary truss member 16 is transmitted to the stiffening rib 14 through the connection plate 13, so that the stiffening rib 14 and the node body 11 jointly bear the load of the secondary truss member 16; the force of the main truss member 15 is transmitted through the support rod 12, and the support rod 12 protrudes toward the main truss member 15, so that the node body 11 bears the load along the length direction of the main truss member 15, thereby improving the stability of the connection between the main truss member 15 and the node body 11, so as to improve the construction quality of the connection node and improve the safety of the connection node.

[0044] The above implementation modes are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the above preferred implementation modes, a person skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A connection node for connecting a secondary truss and a main truss, characterized in that: include: a node body having an inner cavity; A support rod, used for welding connection with the main truss member, one end of the support rod is connected to the node body, and the other end protrudes toward the main truss member; A connecting plate, used for plugging with the secondary truss member, one end of the connecting plate is connected to the node body, and the other end protrudes toward the secondary truss member; A stiffening rib is arranged at a position of the inner cavity close to the connecting plate, and the stiffening rib is connected to the node body to transmit the force of the connecting plate.

2. The connection node for connecting the secondary truss and the main truss according to claim 1, characterized in that: The cross section of the support rod is the same as the cross section of the main truss member.

3. The connection node for connecting the secondary truss and the main truss according to claim 2, characterized in that: The main truss member includes a plurality of main truss rods, the plurality of main truss rods are arranged at intervals, and a plurality of support rods are provided, and the support rods correspond to the main truss rods one by one.

4. The connection node for connecting a secondary truss and a main truss according to claim 1, characterized in that: The secondary truss member includes a diagonal web member connected to the connection plate along a direction inclined to the node body, and a cross-sectional diameter of the diagonal web member is smaller than a width of the connection plate.

5. The connection node for connecting the secondary truss and the main truss according to claim 4, characterized in that: A reinforcing rib is arranged at one end of the connecting plate away from the diagonal web member, and the reinforcing rib is fixedly connected to the node body and the connecting plate.

6. The connection node for connecting a secondary truss and a main truss according to claim 1, characterized in that: The secondary truss member includes a chord rod, the chord rod is connected to the connection plate along a direction perpendicular to the node body, and the cross-sectional diameter of the chord rod is smaller than the width of the connection plate.

7. The connection node for connecting a secondary truss and a main truss according to claim 1, characterized in that: The node body extends along a horizontal direction, and the support rods are arranged at two ends of the node body along the horizontal direction and at a side away from the ground.

8. The connection node for connecting the secondary truss and the main truss according to claim 7, characterized in that: The connecting plate is arranged on a side of the node body close to the ground.

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