CN116145817A - Cable net structure with multiple flexible cable edges and forming method thereof - Google Patents
Cable net structure with multiple flexible cable edges and forming method thereof Download PDFInfo
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- CN116145817A CN116145817A CN202310405941.2A CN202310405941A CN116145817A CN 116145817 A CN116145817 A CN 116145817A CN 202310405941 A CN202310405941 A CN 202310405941A CN 116145817 A CN116145817 A CN 116145817A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B2001/5868—Hinged connections
Abstract
The invention discloses a cable net structure with a plurality of flexible cable edges and a forming method thereof, belonging to the technical field of flexible boundary cable net construction, and comprising side beams, masts, main side cables, bearing cables, stabilizing cables, balance cables and stay cables; the two ends of the main side cable are respectively connected with the mast; one end of the side rope is connected with the side beam, and the other end of the side rope is connected with the mast; the bearing ropes are distributed at intervals, one end of each bearing rope is connected with the boundary beam, and the other end of each bearing rope is connected with the main boundary rope or the side boundary rope respectively; the stabilizing rope is orthogonally connected with the bearing rope; the balance cables are arranged at intervals, one end of each balance cable is connected with the ground anchoring point, and the other end of each balance cable is connected with the main side cable or the side cable respectively; the stay cable is connected with the mast. According to the invention, the balance rope is arranged to control the aerial shape of the key node of the flexible side rope, so that the forming precision of the rope net structure is greatly improved; the cable force value of the balance cable is continuously adjusted through the tensioning assembly, adverse effects of torsion, inclination deformation and the like generated by the cable net in the lifting process are reduced, and the construction difficulty is reduced.
Description
Technical Field
The invention belongs to the technical field of flexible boundary cable net construction, and particularly relates to a cable net structure with a plurality of flexible cable edges and a forming method thereof.
Background
The flexible boundary cable net structure is a novel large-span cable net structure, has great difference from the rigid boundary cable net structure, is more reasonable in a stress system, gives full play to the performance of materials, and is beneficial to being made into a multi-span continuous structure, so that the problems of stress and material selection of the large-span structure are effectively solved; in the structure construction process, the construction is more convenient and quicker than the construction of a rigid boundary cable net structure.
However, the internal force transmission path of the flexible boundary cable network structure is complex, the boundary cable is always in a flexible state in the construction process, the construction difficulty is greatly improved, the mast serving as a main structure fulcrum is a key difficulty of construction, and how to effectively control the position of the mast is a key difficulty of construction.
Disclosure of Invention
The invention aims to provide a cable net structure with a plurality of flexible cable edge sealing and a forming method thereof, which are used for solving the problems that the internal force transmission of the flexible boundary cable net structure in the background art is complex, the construction is difficult and the mast deformation cannot be controlled.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a cable net structure with edges sealed by multiple flexible cables comprises side beams, masts, main side cables, bearing cables, stabilizing cables, balance cables and stay cables; the two ends of the main side cable are respectively connected with the mast; one end of the side rope is connected with the side beam, and the other end of the side rope is connected with the mast; the side beam, the main side cable and the side cable are jointly enclosed to form a closed structure; the bearing ropes are distributed at intervals, one end of each bearing rope is connected with the boundary beam, and the other end of each bearing rope is connected with the main boundary rope or the side boundary rope respectively; the stabilizing rope is orthogonally connected with the bearing rope; the balance cables are arranged at intervals, one end of each balance cable is connected with a ground anchoring point, the other end of each balance cable is connected with a main side cable or a side cable respectively, and a tensioning assembly is arranged on each balance cable; one end of the stay cable is connected with the ground connection point, and the other end of the stay cable is connected with the mast.
Further, the bearing cable comprises a middle bearing cable, a transition bearing cable and an end bearing cable; the middle bearing cable is connected with the main side cable through a first node; the transition bearing cable is connected with the main side cable through a second node; the end bearing rope is connected with the side rope through a third node.
Further, the stabilizing rope comprises a main stabilizing rope and a secondary stabilizing rope; both ends of the main stabilizing rope are connected with the side beams; one end of the auxiliary stabilizing rope is connected with the main side rope through a second node, and the other end of the auxiliary stabilizing rope is connected with the side rope through a third node.
Further, the balance rope is connected with the main side rope and the side rope through the second node and the third node respectively.
Further, the first node, the second node and the third node all comprise cable clamps and hinge points arranged on the cable clamps, and the hinge points are ear plates.
Further, the balance cable is connected with the hinge point through a conversion piece, the conversion piece is a double-lug conversion head, one end of the conversion piece is an ear plate, the other end of the conversion piece is a fork lug, and planes allowing rotation at two ends of the conversion piece are mutually perpendicular.
Further, the tensioning assembly comprises a reaction frame, a jack and a pressure sensor; the counterforce frame comprises a bearing end, a tensioning end and a force transmission rod piece, wherein the bearing end and the tensioning end are fixedly connected through the force transmission rod piece; the bearing end is internally connected with a pull rod in an inserting way, one end of the pull rod is hinged with the anchoring point, and the jack is arranged on the pull rod and is contacted with the inner side of the bearing end; a balance rope is inserted into the tensioning end; the pressure sensor is arranged between the tensioning end and an anchorage of the balance cable.
Further, the bearing end and the tensioning end are both rectangular cavity structures, and a positioning nut is arranged in a cavity of the bearing end and is in threaded connection with the pull rod.
Further, the two ends of the main side cable are provided with mounting tools and are connected with the mast through a conversion piece; the two ends of the side rope are respectively hinged with the mast and the side beam; the bearing rope and the stabilizing rope are hinged with the side beam.
A method of forming a multi-flexible-cord-sealed-edge-cord-net structure as claimed in any one of the preceding claims, comprising the steps of:
s1, performing simulation analysis on each construction stage to obtain the space configuration and stress of a cable network structure in each construction stage, determining the cable length of each cable, and extracting the cable force value of each cable and the deformation value of a mast;
s2, assembling a cable net structure:
s21, paving a main side cable, and sequentially installing cable clamps of a first node and a second node at a mark point of the main side cable;
s22, installing the balance rope on the second node through a conversion piece;
s23, installing a main side cable on a mast, then installing the lower end of a balance cable on an anchor point, and simultaneously installing a stay cable on the mast;
s24, paving a side cable, a stabilizing cable and a bearing cable, connecting the side cable, the stabilizing cable and the bearing cable, and installing a cable clamp of a third node at a mark point of the side cable;
s25, installing the upper end of the balance rope on the third node through a conversion piece, and then installing the lower end of the balance rope on an anchoring point;
s26, lifting a cable net consisting of side cables, stabilizing cables and bearing cables off the ground through lifting equipment;
s3, installing a stabilizing cable and a bearing cable on the main side cable, and synchronously adjusting a balance cable on the main side cable and a stay cable on the mast;
s4, installing the side ropes on the mast, and synchronously adjusting the balance ropes on the side ropes and the stay ropes on the mast;
s5, installing the other ends of the side ropes, the stabilizing ropes and the bearing ropes on the side beams;
s6, adjusting the tension stabilizing rope, the bearing rope and the stay rope, reducing the rope force of the balance rope on the main side rope step by step under the condition of ensuring that the space configuration of the main side rope is unchanged until the rope force value is 0, and then removing the balance rope on the main side rope to finish the forming of the main side rope;
s7, adjusting the cable force value of the stay cable, and under the condition of ensuring the space configuration of the side cable, gradually reducing the cable force of the balance cable on the side cable until the cable force value is 0, and then removing the balance cable on the side cable to finish the side cable forming;
s8, removing the lifting equipment to finish the construction of the whole cable net structure.
The invention has the following beneficial effects:
1. according to the cable net structure with the multi-flexible-cable edge sealing and the forming method thereof, provided by the invention, the balance cable is arranged to control the aerial shape of the key node of the flexible side cable, so that the forming precision of the cable net structure is greatly improved, and meanwhile, the safety threshold is set by monitoring the cable force value of the balance cable, so that the construction safety is improved, and the controllability of the cable net structure in the construction process is ensured; the cable force value of the balance cable is continuously adjusted through the tensioning assembly, adverse effects of torsion, inclination deformation and the like generated by the cable net in the lifting process are reduced, and the construction difficulty is reduced.
2. According to the rope net structure with the edges sealed by the multiple flexible ropes and the forming method thereof, the balance rope is connected with the flexible ropes through the conversion piece, and the height difference of the overhead shape of the rope clamp can be controlled by utilizing the two connecting ends of the conversion piece; two degrees of freedom of rotation are provided for the junction through the conversion piece, and when the cable clamp takes place the configuration change, can effectively release the balanced cable and to the side direction pulling force of cable clamp, guarantee that the cable clamp receives the pulling force direction of balanced cable and is in the plane that two balanced cables formed all the time, reduce the structural damage of connected node, reduce the adverse effect that this in-process balanced cable received simultaneously.
3. According to the cable net structure with the edges sealed by the multiple flexible cables and the forming method of the cable net structure, the stay cable is used for carrying out auxiliary control on the mast, and the stay cable is matched with the balance cable to work, so that adverse effects of torsion and inclination deformation of the mast can be further counteracted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a cable net structure according to the present invention;
FIG. 2 is a schematic plan view of a cable network structure in accordance with the present invention;
FIG. 3 is a schematic illustration of a cable network connection at a mast in accordance with the present invention;
FIG. 4 is a schematic diagram of a second node according to the present invention;
FIG. 5 is a schematic diagram of a third node according to the present invention;
FIG. 6 is a schematic view of a switch member on a primary side cable according to the present invention;
FIG. 7 is a schematic view of a switch on a side cable according to the present invention;
fig. 8 is a schematic structural view of a tensioning assembly in accordance with the present invention.
In the figure: 1-side beam, 2-mast, 3-main side cable, 4-side cable, 5-bearing cable, 51-middle bearing cable, 52-transition bearing cable, 53-end bearing cable, 6-stabilizing cable, 61-main stabilizing cable, 62-auxiliary stabilizing cable, 7-balance cable, 8-stay cable, 9-tensioning assembly, 91-reaction frame, 92-jack, 93-sensor, 10-first node, 11-second node, 12-third node and 13-conversion piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the cable net structure with the edges sealed by the multiple flexible cables provided by the invention comprises a boundary beam 1, a mast 2, a main boundary cable 3, side cables 4, a bearing cable 5, a stabilizing cable 6, a balance cable 7 and a stay cable 8. The boundary beam 1 is arranged on the supporting structure; two ends of the main side cable 3 are respectively connected with the mast 2; one end of a side rope 4 is connected with the side beam 1, the other end of the side rope is connected with the mast 2, and the side beam 1, the main side rope 3 and the side rope 4 are jointly enclosed to form a closed structure; the bearing ropes 5 are distributed at intervals along the side beam 1, one end of each bearing rope is connected with the side beam 1, and the other end of each bearing rope is connected with the main side rope 3 or the side rope 4 respectively; the stabilizing rope 6 is orthogonally connected with the bearing rope 5; the balance cables 7 are arranged at intervals, one end of each balance cable is connected with a ground anchoring point, and the other end of each balance cable is connected with the main side cable 3 or the side cable 4 respectively; one end of the stay cable 8 is connected with the ground connection point, and the other end is connected with the mast 2.
The bearing cable 5 comprises a middle bearing cable 51, a transition bearing cable 52 and an end bearing cable 53, wherein one end of the middle bearing cable 51 is connected with the boundary beam 1, and the other end is connected with the main boundary cable 3 through the first node 10; one end of the transition bearing cable 52 is connected with the boundary beam 1, and the other end is connected with the main boundary cable 3 through the second node 11; the end load-bearing cable 53 has one end connected to the side sill 1 and the other end connected to the side rope 4 via the third node 12.
The stabilizing cable 6 includes a primary stabilizing cable 61 and a secondary stabilizing cable 62; both ends of the main stabilizing rope 61 are connected with the boundary beam 1; one end of the auxiliary stabilizing cable 62 is connected with the main side cable 3 through the second node 11, and the other end is connected with the side cable 4 through the third node 12.
The balance cable 7 is connected with the main side cable 3 and the side cable 4 through a second node 11 and a third node 12 respectively.
The first node 10 is a connection node of the middle bearing cable 51 and the main side cable 3, and comprises a cable clamp and a hinge point arranged on the cable clamp, wherein the cable clamp is arranged on the main side cable 3, the middle bearing cable 51 is connected with the hinge point, the hinge point is an ear plate, and the middle bearing cable 51 is provided with a fork ear and is connected with the ear plate through a pin shaft.
As shown in fig. 4, the second node 11 is a connection node of the transition load-bearing cable 52, the auxiliary stabilizing cable 62, the main side cable 3 and the balance cable 7, and comprises a cable clamp and a hinge point, wherein the cable clamp is arranged on the main side cable 3, and the hinge point is arranged in three corresponding to the transition load-bearing cable 52, the auxiliary stabilizing cable 62 and the main side cable 3. The hinge point is an ear plate, and fork lugs are arranged on the transition bearing rope 52 and the auxiliary stabilizing rope 62 and are connected with the ear plate through pin shafts. The balance cable 7 is connected with the hinge point through the conversion piece 13, the conversion piece 13 is a double-lug conversion head, one end of the conversion piece is provided with an ear plate, the other end of the conversion piece is provided with a fork ear, planes of two ends of the conversion piece 13 allowing rotation are mutually perpendicular, and the fork ear matched with the conversion piece 13 is arranged on the balance cable 7, so that the balance cable 7 has two rotation degrees of freedom on the main side cable 3. Preferably, as shown in fig. 6, two balancing ropes 7 are symmetrically arranged at the second node 11, and two through holes are correspondingly formed on the ear plate of the conversion piece 13.
As shown in fig. 5, the third node 12 is a connection node of the end bearing cable 53, the auxiliary stabilizing cable 62, the side cable 4 and the balancing cable 7, and comprises a cable clip and a hinge point arranged on the cable clip, wherein the cable clip is arranged on the side cable 4, and the hinge point is arranged in three corresponding to the end bearing cable 53, the auxiliary stabilizing cable 62 and the balancing cable 7. The hinge point is an ear plate, and fork lugs are arranged on the end bearing rope 53 and the auxiliary stabilizing rope 62 and are connected with the ear plate through pin shafts. The balancing cord 7 is connected to the hinge point via a switch 13. Preferably, as shown in fig. 7, a balance rope 7 is arranged at the third node 12, and a through hole is correspondingly formed in the ear plate of the conversion piece 13.
As shown in fig. 8, a tension assembly 9 is provided on the balance cable 7, and the tension assembly 9 includes a reaction frame 91, a jack 92, and a pressure sensor 93. The reaction frame 91 includes a force-bearing end, a tension end, and a force-transmitting rod, where the force-bearing end and the tension end are fixedly connected by the force-transmitting rod. Preferably, the bearing end and the tensioning end are rectangular cavity structures. For convenience of description, hereinafter, the direction in which the load-bearing end and the tension end approach each other is uniformly taken as the inner side, and the direction in which they are spaced apart from each other is taken as the outer side. The pull rod is inserted into the bearing end, the left end of the pull rod is provided with a fork lug, the fork lug is hinged with the lug plate of the anchoring point, and the jack 92 is arranged on the right end of the pull rod and is contacted with the inner side of the bearing end. The balance rope 7 is inserted into the tensioning end, the pressure sensor 93 is arranged between the tensioning end and an anchorage of the balance rope 7, and the rope force value of the balance rope 7 is monitored in real time. Preferably, a positioning nut is arranged in the cavity of the bearing end, and the positioning nut is in threaded connection with the pull rod. When the balance rope 7 needs to be tensioned, the jack 92 is started to push the bearing end to drive the tensioning end to tension the balance rope 7, and when the pushing is not in place at one time, the balance rope can be pushed again by means of the positioning nut until the tensioning requirement is met.
As shown in fig. 3, the two ends of the main side cable 3 are provided with mounting tools and are connected with the mast 2 through a conversion piece 13.
The two ends of the side rope 4 are respectively connected with the mast 2 and the side beam 1 in a mode of lug plate-pin shaft matching.
The bearing cable 5 is connected with the side beam 1 through an ear plate-pin shaft fit mode.
The stabilizing cable 6 is connected with the side beam 1 through an ear plate-pin shaft fit mode.
Two stay cables 8 are symmetrically arranged on each mast 2.
A method for forming a cable net structure with a plurality of flexible cable edges sealed comprises the following steps,
s1, performing simulation analysis of each construction stage according to the characteristics of a cable network to obtain the spatial configuration and stress of a cable network structure in each construction stage, and determining the cable length of each cable: the construction stage is subjected to three-dimensional model lofting, the configuration of each main component in the construction stage is accurately simulated, the cable force values of a main side cable 3, a side cable 4, a bearing cable 5, a stabilizing cable 6, a balance cable 7 and a stay cable 8 in the construction process are extracted, and the structural forms of a tensioning assembly 9 and the balance cable 7 are designed according to the cable force values; extracting a deformation value of the top of the mast 2 in the construction process, and monitoring the deformation condition of the mast 2 according to the deformation value;
s2, assembling a cable net structure:
s21, paving a main side cable 3 on a construction site, and sequentially installing cable clamps of a first node 10 and a second node 11 at marked points of the main side cable 3;
s22, installing the balance rope 7 on the second node 11 of the main side rope 3 through the conversion piece 13;
s23, installing the main side cable 3 on the mast 2 through an installation tool, installing the lower end of the balance cable 7 on an anchor point, and simultaneously installing the stay cable 8 on the mast 2 to ensure that the inclination deformation of the mast 2 does not exceed the construction simulation result of the step S1;
s24, paving a side cable 4, a stabilizing cable 6 and a bearing cable 5, connecting the side cable 4, the stabilizing cable 6 and the bearing cable 5 according to a design drawing, and installing a cable clamp of a third node 12 at a mark point of the side cable 4;
s25, installing the upper end of the balance rope 7 on the third node 12 of the side rope 4 through the conversion piece 13, and then installing the lower end of the balance rope 7 on an anchoring point;
s26, lifting a cable net formed by the side cables 4, the stabilizing cables 6 and the bearing cables 5 from the ground through lifting equipment;
s3, installing the stabilizing cable 6 and the bearing cable 5 on the main side cable 3, and synchronously adjusting the balance cable 7 on the main side cable 3 and the stay cable 8 on the mast 2 to ensure that the mast 2 does not twist and incline to deform, wherein the aerial shape of the main side cable 3 is required to be consistent with the construction simulation result of the step S1;
s4, one end of the side cable 4 is arranged on the mast 2, the balance cable 7 on the side cable 4 and the stay cable 8 on the mast 2 are synchronously adjusted, the inclination deformation of the mast 2 is ensured not to exceed the construction simulation result of the step S1, the cable force value of the balance cable 7 is monitored in real time through the pressure sensor 93, and the construction safety is ensured;
s5, installing the other ends of the side ropes 4, the stabilizing ropes 6 and the bearing ropes 5 on the side beam 1;
s6, adjusting the tension stabilizing rope 6, the bearing rope 5 and the stay rope 8, reducing the rope force of the balance rope 7 on the main side rope 3 step by step until the rope force value is 0 under the condition that the space position shape of the main side rope 3 is unchanged, and then removing the balance rope 7 on the main side rope 3 to finish the forming of the main side rope 3;
s7, adjusting the cable force value of the stay cable 8, reducing the cable force of the balance cable 7 on the side cable 4 step by step under the condition of ensuring the space configuration of the side cable 4 until the cable force value is 0, and then removing the balance cable 7 on the side cable 4 to finish the forming of the side cable 4;
s8, removing the lifting equipment to finish the construction of the whole cable net structure.
In step S1, the design of the structural form of the balance rope 7 needs to ensure that the balance rope 7 can resist the internal tension of the rope net structure to the main side rope 3 and the side rope 4 in the construction process. The length range of the balance rope 7 can be regulated to +/-2 m through a tensioning assembly 9.
In the cable net structure after tensioning molding, the deviation between the actual cable force values of the bearing cable 5, the stabilizing cable 6 and the stay cable 8 and the calculated cable force value of the simulation analysis structure in the step S1 is within +/-10 percent.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The cable net structure with the edges sealed by the multiple flexible cables is characterized by comprising a boundary beam (1), a mast (2), a main side cable (3), a side cable (4), a bearing cable (5), a stabilizing cable (6), a balance cable (7) and a stay cable (8); two ends of the main side cable (3) are respectively connected with the mast (2); one end of the side rope (4) is connected with the side beam (1), and the other end of the side rope is connected with the mast (2); the side beam (1), the main side cable (3) and the side cable (4) are jointly enclosed to form a closed structure; the bearing ropes (5) are distributed at intervals, one end of each bearing rope is connected with the side beam (1), and the other end of each bearing rope is connected with the main side rope (3) or the side rope (4) respectively; the stabilizing rope (6) is orthogonally connected with the bearing rope (5); the balance cables (7) are arranged at intervals, one end of each balance cable is connected with a ground anchoring point, the other end of each balance cable is connected with the main side cable (3) or the side cables (4) respectively, and tensioning assemblies (9) are arranged on the balance cables (7); one end of the stay cable (8) is connected with the ground connection point, and the other end of the stay cable is connected with the mast (2).
2. A multi-flexible-cable-network edge-sealed structure as in claim 1, wherein the load-bearing cable (5) comprises a middle load-bearing cable (51), a transition load-bearing cable (52) and an end load-bearing cable (53); the middle bearing cable (51) is connected with the main side cable (3) through a first node (10); the transition bearing cable (52) is connected with the main side cable (3) through a second node (11); the end bearing cable (53) is connected with the side cable (4) through a third node (12).
3. A multi-flexible-cord-sealed cable network structure as in claim 2, wherein said stabilizing cable (6) comprises a primary stabilizing cable (61) and a secondary stabilizing cable (62); both ends of the main stabilizing rope (61) are connected with the side beams (1); one end of the auxiliary stabilizing rope (62) is connected with the main side rope (3) through a second node (11), and the other end of the auxiliary stabilizing rope is connected with the side rope (4) through a third node (12).
4. A multi-flexible-cord-sealed-edge cord net structure according to claim 2, wherein the balance cord (7) is connected with the main cord (3) and the side cord (4) through the second node (11) and the third node (12) respectively.
5. The multi-flexible-cord-sealed cable network structure as claimed in claim 4, wherein said first (10), second (11) and third (12) nodes each comprise a cable clamp and a hinge point disposed on said cable clamp, said hinge point being an ear plate.
6. The rope net structure with the multi-flexible rope edge sealing according to claim 5, wherein the balance rope (7) is connected with a hinge point through a conversion piece (13), the conversion piece (13) is a double-lug conversion head, one end of the conversion piece is an ear plate, the other end is a fork lug, and planes allowing rotation of two ends of the conversion piece (13) are mutually perpendicular.
7. A multi-flexible-cord-sealed cable network structure as in claim 1, wherein said tensioning assembly (9) comprises a reaction frame (91), a jack (92) and a pressure sensor (93); the reaction frame (91) comprises a bearing end, a tensioning end and a force transmission rod piece, wherein the bearing end and the tensioning end are fixedly connected through the force transmission rod piece; a pull rod is inserted into the bearing end, one end of the pull rod is hinged with the anchoring point, and the jack (92) is arranged on the pull rod and is contacted with the inner side of the bearing end; a balance rope (7) is inserted into the tensioning end; the pressure sensor (93) is arranged between the tensioning end and the anchorage of the balance cable (7).
8. The multi-flexible-cable-network-edge-sealed structure according to claim 7, wherein the bearing end and the tensioning end are rectangular hollow structures, and a positioning nut is arranged in the hollow of the bearing end and is in threaded connection with the pull rod.
9. The rope net structure with the multi-flexible rope edge sealing according to claim 1, wherein the two ends of the main side rope (3) are provided with mounting tools and are connected with the mast (2) through a conversion piece (13); two ends of the side rope (4) are hinged with the mast (2) and the side beam (1) respectively; the bearing rope (5) and the stabilizing rope (6) are hinged with the side beam (1).
10. A method of forming a multi-flexible-cord-sealed cable network structure according to any one of claims 1-9, comprising the steps of:
s1, performing simulation analysis on each construction stage to obtain the space configuration and stress of a cable network structure in each construction stage, determining the cable length of each cable, and extracting the cable force value of each cable and the deformation value of a mast (2);
s2, assembling a cable net structure:
s21, paving a main side cable (3), and sequentially installing cable clamps of a first node (10) and a second node (11) at a mark point of the main side cable (3);
s22, installing the balance rope (7) on the second node (11) through the conversion piece (13);
s23, installing the main side cable (3) on the mast (2), then installing the lower end of the balance cable (7) on an anchor point, and simultaneously installing the stay cable (8) on the mast (2);
s24, paving a side cable (4), a stabilizing cable (6) and a bearing cable (5), connecting the side cable (4), and installing a cable clamp of a third node (12) at a mark point of the side cable (4);
s25, installing the upper end of the balance rope (7) on the third node (12) through the conversion piece (13), and then installing the lower end of the balance rope (7) on an anchoring point;
s26, lifting a cable net formed by the side cables (4), the stabilizing cables (6) and the bearing cables (5) from the ground through lifting equipment;
s3, installing the stabilizing cable (6) and the bearing cable (5) on the main side cable (3), and synchronously adjusting the balance cable (7) on the main side cable (3) and the stay cable (8) on the mast (2);
s4, installing the side cable (4) on the mast (2), and synchronously adjusting a balance cable (7) on the side cable (4) and a stay cable (8) on the mast (2);
s5, installing the other ends of the side ropes (4), the stabilizing ropes (6) and the bearing ropes (5) on the side beam (1);
s6, adjusting the tension stabilizing cable (6), the bearing cable (5) and the stay cable (8), and under the condition that the space configuration of the main side cable (3) is unchanged, gradually reducing the cable force of the balance cable (7) on the main side cable (3) until the cable force value is 0, and then removing the balance cable (7) on the main side cable (3) to finish the forming of the main side cable (3);
s7, adjusting the cable force value of the stay cable (8), and under the condition of ensuring the space configuration of the side cable (4), gradually reducing the cable force of the balance cable (7) on the side cable (4) until the cable force value is 0, and then removing the balance cable (7) on the side cable (4) to finish the forming of the side cable (4);
s8, removing the lifting equipment to finish the construction of the whole cable net structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310405941.2A CN116145817B (en) | 2023-04-17 | 2023-04-17 | Cable net structure with multiple flexible cable edges and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310405941.2A CN116145817B (en) | 2023-04-17 | 2023-04-17 | Cable net structure with multiple flexible cable edges and forming method thereof |
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