Core-penetrating inhaul cable joint of cantilever truss and construction method

Abstract

The invention relates to a cantilever truss core penetrating inhaul cable node and a construction method, and relates to the technical field of building construction, the cantilever truss core penetrating inhaul cable node is arranged on a building structure, the inhaul cable node comprises at least two connecting nodes, the connecting nodes are connected with the building structure, at least two through holes are formed in the connecting nodes, and the through holes are communicated with the connecting nodes. The overhanging ends are formed by arranging the connecting joints and connecting the cable penetrating beams, the overhanging ends are used for providing placement channels for the inhaul cables, the connecting pieces are connected with the inhaul cables, and the cable penetrating guide pipes are arranged on the connecting pieces in a sleeving mode, so that the connecting pieces are protected, better stability is provided for the connecting pieces, and the service life of the cable penetrating guide pipes is prolonged. The inner inhaul cables can be protected through the cable penetrating beam arranged on the outer side, the positions of a plurality of shuttling guide pipes can be fixed by arranging the inner partition plates on the surfaces of the cable penetrating guide pipes, and therefore the multiple inhaul cables are divided, the multiple inhaul cables are not prone to mutual winding and friction, the situation that the inhaul cables are damaged is reduced, and the service life of the inhaul cables is prolonged. And therefore, the inhaul cables can be connected more stably.

Description

Technical Field

[0001] The invention relates to the field of building construction, and in particular to a cantilever truss core-through cable node and a construction method. Background Art

[0002] In the existing building structure design and construction process, large-span cantilever structures are often encountered. However, it is difficult to support ordinary large-span cantilever structures solely by relying on the strength of the structure itself. The cross-section of the structural beam and the steel column cannot be increased without limit. The space gap between multiple cables is small while saving materials, and it is impossible to ensure the safe and efficient installation of the cables. In addition, multiple cables are easily entangled with each other, which can easily cause the cables to be damaged. Therefore, it is necessary to provide measures to solve the problems that the existing structural beams are difficult to support, the cables cannot be installed safely and efficiently, and multiple cables are easily entangled with each other, causing damage to the cables. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a cantilever truss core-through cable node and construction method to solve the problems that the existing structural beams are difficult to support, cannot ensure the safe and efficient installation of cables, and multiple cables are easily entangled with each other, causing damage to the cables.

[0004] The technical solution to achieve the above purpose is: a cantilever truss core-through cable node and a construction method, which is arranged on a building structure, and the cable node includes:

[0005] at least two connection nodes, the connection nodes are connected to the building structure, and the connection nodes are provided with at least two through holes;

[0006] At least two cables are tied in the connection node, and the cables can pass through the through hole;

[0007] A connector connected to the cable;

[0008] A cable guide tube sleeved on the connecting piece, wherein the surface of the cable guide tube is connected to an inner partition plate, and the cable guide tube can be limited by the inner partition plate to separate the cables on the connecting piece;

[0009] A cable-through beam connected to the connection node extends in a direction away from the connection node to form a cantilevered end. The cable-through beam is sleeved on the inner partition plate, and a fulcrum is provided for the cable-through beam through the cantilevered end to improve the supporting force.

[0010] The technical solution of the present invention is further improved in that: the connecting member includes a first anchor cup connected between two adjacent cables and a transition portion connected to an end of the cable away from the first anchor cup.

[0011] The technical solution of the present invention is further improved in that: the transition part includes a second anchor cup connected to the cable and a screw connected to the second anchor cup, and the screw can be connected to the building structure.

[0012] The technical solution of the present invention is further improved in that a stiffening plate is connected to the inner partition, and the stiffening plate is connected to the inner wall surface of the cable-through beam. The stiffening plate is fixed to the inner partition to support the cable-through beam, so as to enhance the supporting force of the inner partition.

[0013] The technical solution of the present invention is further improved in that: the stiffening plate includes a vertical plate arranged vertically and at least two horizontal plates connected to opposite sides of the vertical plate.

[0014] The technical solution of the present invention is further improved in that: the connection node includes a box body, at least two first partitions connected to the box body, at least two first sleeves connected to multiple inner panels, and connection ends connected to opposite sides of the box body.

[0015] The technical solution of the present invention is further improved in that: the connecting end includes a U-shaped plate, at least two second partitions connected to the U-shaped plate, and at least two second sleeves connected to the second partitions, and the second sleeves are connected to the box body.

[0016] The technical solution of the present invention is further improved in that: a reinforcing plate is connected to the cable-through beam.

[0017] The technical solution of the present invention is further improved in that: the cable-through beam is provided with a mounting hole for the connection node to be clamped.

[0018] A construction method for a cantilever truss core-through cable node comprises the following steps:

[0019] Step 1: provide a plurality of connection nodes, and connect the connection nodes to the building structure when constructing the building structure;

[0020] Step 2: providing a cable and a connector, tying the cable to the connection node, and then tying the connector to the end of the cable;

[0021] Step 3: Provide a shuttle catheter and a cable beam, sleeve the cable catheter on the cable, and sleeve the cable beam on the shuttle catheter.

[0022] By using the above technical solution, the present invention has the following technical effects compared with the prior art:

[0023] The present invention provides a cantilever truss core-through cable node and a construction method, wherein a cantilever end is formed by setting a connection node and a cable-through beam, the cantilever end is used to provide a placement channel for the cable, and a connecting piece is used to connect the cable, and the cable-through conduit is put on the connecting piece, so that the connecting piece is protected and better stability is provided for it, and the cable-through beam arranged on the outside can protect the internal cable, and an inner partition plate is arranged on the surface of the cable-through conduit, so that the positions of multiple shuttle conduits can be fixed, thereby dividing the multiple cables, making it difficult for the multiple cables to be entangled and rubbed with each other, reducing the occurrence of cable damage, and making it possible to connect the cables more stably.

[0024] By arranging a reinforcement plate at the position of the cable-through beam node, the strength of the node position can be enhanced to prevent the node position from loosening and falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The present invention provides a cable connection plan view of a cantilever truss core-through cable node and a construction method.

[0026] Figure 2 The present invention discloses a cable-through beam diagram of a cantilever truss core-through cable node and a construction method.

[0027] Figure 3 It is a side view of a cable-through beam of a cantilever truss core-through cable node and a construction method of the present invention;

[0028] Figure 4 The present invention provides a cross-sectional view of a cable-through beam of a cantilever truss core-through cable node and a construction method.

[0029] Figure 5 The present invention discloses a stiffening plate connection diagram of a cantilever truss core-through cable node and a construction method.

[0030] Figure 6 A cross-sectional view of an inner partition grouting hole of a cantilever truss core-through cable node and a construction method of the present invention;

[0031] Figure 7 The present invention provides a reinforcement plate connection diagram for a cantilever truss core-through cable node and a construction method.

[0032] Figure 8 The present invention provides a construction position plan view of a cantilever truss core-through cable node and a construction method.

[0033] Fig. 9 It is a three-dimensional diagram of a connection node of a cantilever truss core-through cable node and a construction method of the present invention.

[0034] In the figure: 1. Cable; 2. Cable-through beam; 3. Cable-through duct; 4. Inner partition; 5. Stiffening plate; 6. First anchor cup; 7. Second anchor cup 8. Pad; 9. Screw; 10. Mounting hole; 11. Reinforcement plate; 12. Connection node; A. Building structure. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] The present invention provides a cantilever truss core-through cable node and a construction method. The device can form a cantilever end by setting a connection node and a cable-through beam connection, and use the cantilever end to provide a placement channel for the cable, and by setting an inner partition and a cable-through conduit, multiple cables are separated, so that multiple cables are not easily entangled and rubbed with each other, thereby reducing the occurrence of cable damage. The cantilever truss core-through cable node and the construction method are described below.

[0037] See also Figure 1 , showing a cable connection plan view of a cantilever truss core-through cable node and construction method of the present invention. Figures 1 to 9 , the structure of the cantilever truss core-through cable node and the construction method of the present invention are explained.

[0038] See also Figures 1 to 7 The present invention provides a cantilever truss core-through cable 1 node and a construction method, which is arranged on a building structure A. The cable node includes: a cable 1, a cable-through beam 2, a cable-through conduit 3, an inner partition 4, and at least two connection nodes 12. The connection node 12 is connected to the building structure A. The four connection nodes 12 can form a core tube range, which spreads outward through the core tube range. The connection node 12 is provided with at least two through holes. The cable 1 is tied in the connection node 12, and at least two, the cable 1 is provided. It can pass through the through hole, the connecting piece is connected to the cable 1, the cable guide tube 3 is sleeved on the connecting piece, and the surface of the cable guide tube 3 is connected to the inner partition plate 4. The cable guide tube 3 can be limited by the inner partition plate 4 to separate the cable 1 on the connecting piece. The cable beam 2 is connected to the connecting node 12, and the cable beam 2 extends in the direction away from the connecting node 12 to form a cantilevered end. The cable beam 2 is sleeved on the inner partition plate 4, and a fulcrum is provided for the cable beam 2 through the cantilevered end to improve the supporting force.

[0039] Preferably, if Figures 1 to 7As shown, the connection node 12 is fixed on the building structure A, and is connected to the cable 1 by a connecting piece, and the cable guide 3 is put on the connecting piece, so that the connecting piece is protected and better stability is provided for the cable 1, and the cable guide beam 2 can also be arranged between two adjacent connection nodes 12, so as to increase the connection distance, and ensure that each channel is independent of each other, avoiding mutual influence during the cable threading process and avoiding damage to the cable body.

[0040] Furthermore, by providing an inner partition 4 on the surface of the cable guide tube 3, the positions of the multiple shuttle guide tubes can be fixed, thereby separating the multiple cables 1, making it difficult for the multiple cables 1 to be entangled and rubbed against each other, reducing the occurrence of damage to the cables 1, and making it possible to connect the cables 1 more stably. By arranging a cable guide beam 2 on the inner partition 4, the support length can be increased while protecting the cables 1 and the shuttle guide tubes inside.

[0041] See also Figure 1 In a specific embodiment of the present invention, the connecting member includes a first anchor cup 6 connected between two adjacent cables 1 and a transition portion connected to the end of the cable 1 away from the first anchor cup 6, the transition portion includes a second anchor cup 7 connected to the cable 1 and a screw 9 connected to the second anchor cup 7, and the screw 9 can be connected to the building structure A.

[0042] Furthermore, if Figure 1 As shown, by arranging a first anchor cup 6 between two adjacent cables 1, the two cables 1 can be connected together to increase the connection length, and a second anchor and a screw rod 9 are connected at the other end of the cable 1 so that the other end of the cable 1 can be connected to the building structure A.

[0043] Furthermore, by providing a backing plate 8 on the screw 9, the friction force can be increased, so that the screw is less likely to become loose after being connected.

[0044] See also Figures 5 to 7 In a specific embodiment of the present invention, a stiffening plate 5 is connected to the inner partition 4, and the stiffening plate 5 is connected to the inner wall surface of the cable-through beam 2. The stiffening plate 5 is fixed to the inner partition 4 to support the cable-through beam 2, so as to enhance the supporting force of the inner partition 4. The stiffening plate 5 includes a vertical plate arranged vertically and at least two horizontal plates connected to the opposite sides of the vertical plate.

[0045] Furthermore, if Figures 5 to 7 As shown, by arranging the stiffening plate 5 on the inner partition 4, the support strength of the inner partition 4 on the cable beam 2 can be enhanced.

[0046] Furthermore, if Figure 6As shown, grouting holes can be provided on the inner partition plate 4 so that concrete can be poured into the interior of the cable-through beam 2 to ensure the compactness of the concrete pouring.

[0047] See also Fig. 9 In a specific embodiment of the present invention, the connection node 12 includes a box body, at least two first partitions connected in the box body, at least two first sleeves connected in multiple inner panels, and connecting ends connected to opposite sides of the box body, the connecting ends include a U-shaped plate, at least two second partitions connected in the U-shaped plate, and at least two second sleeves connected in the second partitions, and the second sleeves are connected to the box body.

[0048] Preferably, if Fig. 9 As shown, by placing multiple first partitions in the box, a supporting effect can be provided to the box to ensure that the steel plates on both sides of the box will not tilt inward. By setting a second sleeve and extending it into the box, the cable 1 can pass through the first sleeve and the second sleeve.

[0049] See also Figure 2 , Figure 3 , Figure 7 In a specific embodiment of the present invention, a reinforcing plate 11 is connected to the cable-through beam 2 .

[0050] Furthermore, if Figure 2 , Figure 3 , Figure 7 As shown, by arranging a reinforcing plate 11 at the node of the cable-through beam 2, the strength of the node can be enhanced to prevent the node from becoming loose and falling off.

[0051] See also Figure 2 , Figure 3 In a specific embodiment of the present invention, a mounting hole 10 for the connection node 12 to be clamped is provided on the cable-through beam 2.

[0052] Furthermore, if Figure 2 , Figure 3 As shown, by providing a mounting hole 10 on the cable-passing beam 2, one end of the connection node 12 can be clamped therein, thereby making it easier for the cable 1 to pass through and be installed.

[0053] A construction method for a cantilever truss core-through cable node comprises the following steps:

[0054] Step 1: provide a plurality of connection nodes, and connect the connection nodes to the building structure when constructing the building structure;

[0055] Step 2: Provide cables and connectors, tie the cables to the connection nodes, tie the connectors to the ends of the cables, and install the steel cables of the core tube section in the air. During the cable threading process, first thread the lower transverse cables, then the lower longitudinal cables, then the upper longitudinal cables, and finally the upper transverse cables;

[0056] Step 3: Provide a shuttle duct and a cable beam, put the cable duct on the cable, and put the cable beam on the shuttle duct, lift the structure to the designed elevation, and dock the cantilever section with the core tube section in the air. After the docking is completed, seal the manhole, and perform overall tensioning with the help of an operating platform and tensioning equipment.

[0057] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A cantilever truss core-through cable node, arranged on a building structure, characterized in that: The cable node comprises: at least two connection nodes, the connection nodes are connected to the building structure, and the connection nodes are provided with at least two through holes; At least two cables are tied in the connection node, and the cables can pass through the through hole; A connector connected to the cable; A cable guide tube sleeved on the connecting piece, wherein the surface of the cable guide tube is connected to an inner partition plate, and the cable guide tube can be limited by the inner partition plate to separate the cables on the connecting piece; A cable-through beam connected to the connection node extends in a direction away from the connection node to form a cantilevered end. The cable-through beam is sleeved on the inner partition plate, and a fulcrum is provided for the cable-through beam through the cantilevered end to improve the supporting force.

2. A cantilever truss core-through cable node according to claim 1, characterized in that: The connecting member comprises a first anchor cup connected between two adjacent cables and a transition portion connected to an end of the cable away from the first anchor cup.

3. A cantilever truss core-through cable node according to claim 2, characterized in that: The transition part includes a second anchor cup connected to the cable and a screw connected to the second anchor cup, and the screw can be connected to the building structure.

4. The cantilever truss core-through cable node according to claim 1, characterized in that: The inner partition is connected with a stiffening plate, and the stiffening plate is connected to the inner wall surface of the cable-through beam. The stiffening plate is fixed to the inner partition to support the cable-through beam, so as to enhance the supporting force of the inner partition.

5. A cantilever truss core-through cable node according to claim 4, characterized in that: The stiffening plate includes a vertical plate arranged vertically and at least two horizontal plates connected to opposite sides of the vertical plate.

6. The cantilever truss core-through cable node according to claim 1, characterized in that: The connection node includes a box body, at least two first partitions connected to the box body, at least two first sleeves connected to a plurality of inner panels, and connection ends connected to opposite sides of the box body.

7. A cantilever truss core-through cable node according to claim 6, characterized in that: The connecting end includes a U-shaped plate, at least two second partitions connected to the U-shaped plate, and at least two second sleeves connected to the second partitions, and the second sleeves are connected to the box body.

8. The cantilever truss core-through cable node according to claim 1, characterized in that: A reinforcing plate is connected to the cable-through beam.

9. The cantilever truss core-through cable node according to claim 1, characterized in that: The cable-through beam is provided with mounting holes for connecting nodes to be clamped.

10. The construction method of a cantilever truss core-through cable node according to claim 1, characterized in that: The following steps are involved: Step 1: provide multiple connection nodes, and connect the connection nodes to the building structure when constructing the building structure; Step 2: providing a cable and a connector, tying the cable to the connection node, and then tying the connector to the end of the cable; Step 3: Provide a shuttle catheter and a cable-threading beam, sleeve the cable-threading catheter on the pull cable, and sleeve the cable-threading beam on the shuttle catheter.

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