CN110593125A - Suspension bridge catwalk system - Google Patents

Suspension bridge catwalk system Download PDF

Info

Publication number
CN110593125A
CN110593125A CN201910965286.XA CN201910965286A CN110593125A CN 110593125 A CN110593125 A CN 110593125A CN 201910965286 A CN201910965286 A CN 201910965286A CN 110593125 A CN110593125 A CN 110593125A
Authority
CN
China
Prior art keywords
catwalk
cable
pull
bearing
handrail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910965286.XA
Other languages
Chinese (zh)
Inventor
鲜亮
朱小金
王博
杨敏
李昊天
张富杰
赵廷建
武尚伟
郭雷刚
祖欣
宗帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC SHB Fifth Engineering Co Ltd
Original Assignee
CCCC SHB Fifth Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC SHB Fifth Engineering Co Ltd filed Critical CCCC SHB Fifth Engineering Co Ltd
Priority to CN201910965286.XA priority Critical patent/CN110593125A/en
Publication of CN110593125A publication Critical patent/CN110593125A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention relates to a suspension bridge catwalk system in the technical field of bridge engineering construction, which comprises a plurality of catwalk bearing cables, wherein two ends of each catwalk bearing cable are respectively provided with an anchorage, two groups of cable towers are arranged between the two anchorages, one sides of the two cable towers are provided with a deflection pull-down device, each deflection pull-down device comprises a pull-down anchorage seat, each catwalk bearing cable is also connected with a deflection bracket, each deflection bracket is also connected with a pull-down steel wire rope, one end, far away from the deflection bracket, of each pull-down steel wire rope is connected with a winch positioned on the top wall of each cable tower, each pull-down steel wire rope is wound on the corresponding pull-down anchorage seat and is connected with the corresponding winch, the other deflection bracket is symmetrically arranged on the catwalk bearing cable on the other side of each cable tower. The invention can conveniently adjust the span of the catwalk through the deflection pull-down device, reduce the force application in the adjusting process, and simultaneously ensure that the linear shape of the catwalk is basically parallel to the linear shape of the main cable of the suspension bridge, thereby facilitating the operation of constructors on the catwalk.

Description

Suspension bridge catwalk system
Technical Field
The invention relates to the technical field of bridge engineering construction, in particular to a suspension bridge catwalk system.
Background
The catwalk is a linear temporary construction sidewalk which is erected below the main cable and is parallel to the main cable during construction of the suspension bridge. The scaffold is an aerial scaffold for constructors to carry out construction work, and is also a main working platform for construction of a suspension bridge.
The application document with the publication number of CN104631329A discloses a method for adjusting the overall alignment of a continuous catwalk of a suspension bridge, which comprises the steps of arranging a plurality of jacks at the joint of each catwalk bearing cable and an anchor after the whole catwalk is erected, sequentially tensioning or releasing each catwalk bearing cable for 2-3 strokes by using the jacks, arranging a guide chain at the top of a main tower of each catwalk bearing cable, manually and simultaneously drawing all the guide chains in the same direction, performing one-time overall alignment adjustment on each catwalk bearing cable in the direction needing to be adjusted, and continuously and alternately performing multiple times of adjustment until the overall alignment of the catwalk reaches the designed alignment.
The method for adjusting the overall line shape of the continuous catwalk of the suspension bridge comprises the following steps of sequentially erecting a tower top portal frame, an anchor bogie, a catwalk bearing cable, a catwalk handrail cable, a catwalk portal frame and a surface net to form the continuous catwalk; after the continuous catwalk is completely erected, tensioning or loosening is sequentially carried out on each catwalk bearing cable by 2-3 strokes by using a set jack, the stroke of each tensioning or loosening is controlled to be 3-5 cm, meanwhile, guide chains are dragged in the same direction, the traction stroke of each guide chain is controlled to be 5-10 cm, so that each catwalk bearing cable is subjected to one-time overall linear adjustment towards the direction needing to be adjusted, and adjustment of the catwalk bearing cables at an anchorage position and a main tower position is alternately carried out for multiple times until the overall linear shape of the catwalk reaches the designed linear shape.
Above-mentioned technical scheme only adjusts catwalk bearing cable through the jack in the work progress, because catwalk bearing cable length is longer, is not convenient for adjust catwalk bearing cable.
Disclosure of Invention
The invention aims to provide a suspension bridge catwalk system, which can conveniently adjust the span of a catwalk through a deflection pull-down device, reduce the force application in the adjusting process, and simultaneously ensure that the line shape of the catwalk is basically parallel to the line shape of a main cable of a suspension bridge, thereby facilitating the operation of constructors on the catwalk.
The above object of the present invention is achieved by the following technical solutions:
a suspension bridge catwalk system comprises a plurality of catwalk bearing cables which are sequentially arranged, anchors are respectively arranged at two ends of each catwalk bearing cable, two groups of cable towers are arranged between the anchors, the catwalk bearing cable penetrates through the top of the cable towers, the two cable towers are symmetrically provided with displacement pull-down devices at the sides close to each other, the position-changing pull-down device comprises a pull-down anchoring seat positioned on the side wall of the cable tower, the catwalk bearing cable is also connected with a position-changing bracket, the deflection bracket is also connected with a pull-down steel wire rope, one end of the pull-down steel wire rope, which is far away from the deflection bracket, is connected with a winch positioned on the top wall of the cable tower, the pull-down steel wire rope is wound on the pull-down anchoring seat and is connected with the winch, the catwalk bearing rope on the other side of the cable tower is symmetrically provided with another displacement bracket, the deflection support comprises a deflection beam and a deflection lower pull beam, and the deflection beam is close to the cable tower.
By implementing the technical scheme, when catwalk line type adjustment is carried out, the winch is adjusted, the winch works, the winch drives the steel rope to move, the steel rope drives the pull-down steel rope to move, the pull-down steel rope drives the shifting bracket to move, and the shifting bracket adjusts catwalk line type; the suspension bridge catwalk of design, accessible shift pull-down device are convenient for adjust the span of catwalk, reduce the application of force in the adjustment process, and simultaneously, the linear of messenger's catwalk and suspension bridge main push-towing rope is linear basically parallel, makes things convenient for constructor operation on the catwalk.
The invention is further provided with a plurality of large cross beams and small cross beams which are distributed in a staggered manner on the catwalk bearing cables, the large cross beams and the small cross beams are arranged in parallel, the large cross beams are perpendicular to the catwalk bearing cables along the length direction, the large cross beams and the small cross beams are both connected with each catwalk bearing cable, the length of the large cross beams is larger than that of the small cross beams, a plurality of wood step square timbers which are uniformly distributed are arranged between the large cross beams and the small cross beams, and a surface net is arranged on the surfaces of the wood step square timbers.
By implementing the technical scheme, when constructing the catwalk surface layer, the large cross beams and the small cross beams are installed in a staggered mode, then the wood stepping square timbers are paved on the left side and the right side of the catwalk respectively, so that the left side and the right side of the catwalk are communicated, and then the surface net is paved on the surfaces of the wood stepping square timbers; the designed large cross beam and the small cross beam are convenient for connecting the catwalk bearing cables, so that the overall connection performance of the catwalk bearing cables is improved; the designed wood step square wood and the surface net are convenient for connecting the left side and the right side of the catwalk.
The invention is further arranged in such a way that a plurality of handrail upright columns which are uniformly distributed are arranged above the catwalk bearing rope, the handrail upright columns are arranged along the length direction of the handrail upright columns, the handrail upright columns are arranged perpendicular to the surface of the wood step square wood, and the handrail upright columns are connected with a handrail rope together.
By implementing the technical scheme, the designed handrail cable is convenient for protecting two sides of a catwalk, and the safety protection performance of the suspension bridge in the construction process is improved; the handrail upright post designed by the partition section is convenient for supporting and fixing the handrail cable.
The invention is further provided that the handrail cable comprises an upper handrail cable, a middle handrail cable and a lower handrail cable which are arranged in sequence from high to low, and a safety side net connected with the middle handrail cable and the lower handrail cable is arranged on the wood step square timber.
By implementing the technical scheme, the designed safety side net can strengthen the protection on two sides of the catwalk, and simultaneously can prevent construction tools from falling along the upper handrail cable, the middle handrail cable, the lower handrail cable and the wood step square wood gap; the designed upper handrail cable, middle handrail cable and lower handrail cable are convenient for supporting and connecting the safety side net.
The invention is further set up in that the surface net comprises two layers of steel wire net surfaces which are an upper layer steel wire net and a lower layer steel wire net respectively.
Through implementing above-mentioned technical scheme, the upper strata wire net and the lower floor wire net of layered design are convenient for lay the catwalk surface course, improve the holistic support intensity of catwalk, simultaneously, can prevent that construction tool from dropping along the clearance between two adjacent little crossbeams to improve the security performance.
The invention is further set that a plurality of uniformly distributed catwalk portals are arranged above the catwalk bearing cables, the catwalk portals are uniformly distributed along the length direction of the projection of the catwalk bearing cables, and the catwalk portals are fixed through two groups of symmetrically distributed portal bearing cables.
Through implementing above-mentioned technical scheme, the catwalk portal of design can carry out fixed clamp to catwalk bearing cable and tightly, improves the holistic connectivity of catwalk.
The invention is further set in such a way that one side of each of the two anchors, which is close to the buttress, is arranged on the buttress, an anchoring embedded part is arranged in each anchor, one side of each anchoring embedded part, which is close to the buttress, is provided with a catwalk bearing cable anchoring beam, a catwalk bearing cable pull rod connected with the anchoring embedded part is arranged on each catwalk bearing cable anchoring beam, each catwalk bearing cable pull rod is connected with a catwalk bearing cable through a jack, and the catwalk bearing cable pull rods and the catwalk bearing cables are arranged in a one-to-one correspondence manner.
By implementing the technical scheme, the jack is adjusted to work, and the jack applies force to the catwalk bearing rope pulling rods respectively, so that the linear shape of the catwalk bearing rope is adjusted; the jack and catwalk bearing cable pull rod of design can carry out the line type adjustment to catwalk bearing cable.
The invention is further set that anchor portals are arranged on the buttresses, cable-scattering saddles are further arranged on the buttresses, the catwalk bearing cables are located on two sides of the cable-scattering saddles and are symmetrically distributed, pull rod embedded parts are arranged on the buttresses, the pull rod embedded parts are connected with the cable-scattering saddles through fixed pull rods, the fixed pull rods are located on one sides, far away from the anchors, of the cable-scattering saddles, and the deflection beams are located on one sides, far away from the anchors, of the buttresses.
By implementing the technical scheme, the designed cable saddle can fix and guide the catwalk bearing cable; the designed fixed pull rod can support the cable saddle; the deflection beam is arranged close to the buttress and used for changing the direction of the catwalk bearing cable and enabling the catwalk bearing cable to be installed along the guiding direction of the deflection beam.
The invention is further provided that the top of the cable tower is provided with a cable rotating saddle for clamping the catwalk bearing cable.
Through implementing above-mentioned technical scheme, the swivel cable saddle of design can carry out the centre gripping to catwalk bearing cable, and simultaneously, the catwalk bearing cable of being convenient for is adjusted.
In conclusion, the invention has the following beneficial effects:
the suspension bridge catwalk system can adjust the span of a catwalk conveniently through the deflection pull-down device, reduces force application in the adjusting process, enables the linear shape of the catwalk to be basically parallel to that of a suspension bridge main cable, and facilitates operation of constructors on the catwalk;
the catwalk system of the suspension bridge is characterized in that a deflection beam is designed, is close to the buttress and used for changing the direction of a catwalk bearing cable and enabling the catwalk bearing cable to be installed along the guide direction of the deflection beam.
Drawings
Fig. 1 is a schematic view of the overall structure of a suspension bridge catwalk system according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a cable tower according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of an anchor and a buttress according to an embodiment of the present invention.
Fig. 4 is a partial schematic view of a suspension bridge catwalk system of an embodiment of the present invention, intended to show the structure of the handrail rope, the handrail pillar and the safety side net.
Fig. 5 is a partial schematic view of a suspension bridge catwalk system according to an embodiment of the invention, and is intended to show a surface layer structure of a catwalk.
Fig. 6 is a schematic structural diagram of a catwalk portal according to an embodiment of the present invention.
Reference numerals: 1. anchorage; 11. anchoring the embedded part; 12. a catwalk load-bearing cable anchoring beam; 13. a jack; 14. a catwalk load-bearing cable pull rod; 2. a cable tower; 3. a catwalk portal; 31. a gantry bearing cable; 4. a shift pull-down device; 41. pulling down the anchoring seat; 42. a winch; 43. a guide post; 44. hanging a ring; 45. pulling down the steel wire rope; 46. a position-changing bracket; 5. a catwalk load bearing cable; 51. a small cross beam; 52. a handrail column; 53. a handrail cable; 531. an upper handrail cable; 532. a middle handrail cable; 533. a lower handrail cable; 54. a safety side net; 55. a large cross beam; 56. wood stepping square wood; 57. a surface net; 571. a lower layer of steel wire mesh; 572. an upper layer of steel wire mesh; 6. buttress; 61. an anchorage portal frame; 62. a cable saddle; 63. a pull rod embedded part; 64. fixing a pull rod; 65. a deflection beam.
Detailed Description
The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a suspension bridge catwalk system comprises 8 catwalk bearing cables 5, and is divided into two groups, each group comprises 4 catwalk bearing cables 5, the distance between two adjacent catwalk bearing cables 5 in the same group is 420mm, the catwalk bearing cables 5 select a steel wire rope with the diameter of 54mm, two anchors 1 are respectively arranged at two ends of the catwalk bearing cables 5, two groups of cable towers 2 are arranged between the two anchors 1, the two catwalk bearing cables 5 pass through the cable towers 2, a swivel cable saddle for clamping the catwalk bearing cables 5 is arranged at the top of the cable towers 2, not shown in the figure, a plurality of catwalk portal frames 3 are further arranged on the catwalk bearing cables 5, the width of the catwalk portal frames 3 is 4550mm, the height of the catwalk portal frames 3 is 7000mm, the catwalk portal frames 3 are uniformly distributed along the length direction of the projection of the catwalk bearing cables 5, and the horizontal distance between the two catwalk portal frames 3 is 54000mm, as shown in fig. 6, two groups of symmetrically distributed bearing cables 31 are arranged on the top wall, catwalk bearing cable 5 is installed to 3 diapalls of catwalk portal, and catwalk portal 3 connects through the main push-towing rope.
As shown in fig. 2, two pylons 2 are close to each other and are provided with pull-down device 4 that shifts in a side symmetry, pull-down device 4 that shifts includes pull-down anchor seat 41 that is located on the pylon 2 lateral wall, catwalk bearing rope 5 top still is provided with the support 46 that shifts, be connected with pull-down wire rope 45 on the support 46 that shifts, pull-down wire rope 45 is kept away from the support 46 one end that shifts and is installed link 44, it is connected with guide post 43 to rotate on pull-down anchor seat 41, guide post 43 passes through the cable wire with link 44 and is connected, and the cable wire other end is connected with hoist engine 42 that is located on pylon 2 roof, and the cable wire is connected with hoist engine 42 around locating guide post 43, catwalk bearing rope 5 in the other side of pylon 2 still is connected with another support 46 that shifts, shift support 46 all includes shifting roof beam 65 and shifting.
A deflection beam 65 and a deflection pull-down beam are sequentially arranged between the center of the catwalk bearing rope 5 and the anchorage 1, the deflection beam 65 and the two rope towers 2 are symmetrically arranged on one side, which is close to each other, of the deflection pull-down devices 4, the deflection pull-down devices 4 comprise pull-down anchoring seats 41 arranged on the side walls of the rope towers 2, a deflection support 46 is installed on the catwalk bearing rope 5, pull-down steel wire ropes 45 are connected onto the deflection support 46, hanging rings 44 are installed at one ends, far away from the deflection support 46, of the pull-down steel wire ropes 45, guide columns 43 are rotatably connected onto the pull-down anchoring seats 41, the guide columns 43 are connected with the hanging rings 44 through steel wires, and the steel.
As shown in fig. 4 and 5, a plurality of large beams 55 and small beams 51 are arranged on the catwalk bearing rope 5 in a staggered manner, the distance between two adjacent small beams 51 and two adjacent large beams 55 is 60000mm, the small beams 51 are arranged at the center of the two adjacent large beams 55, the large beams 55 and the small beams 51 are arranged in parallel, the large beams 55 are arranged perpendicular to the catwalk bearing rope 5 along the length direction, the large beams 55 and the small beams 51 are both connected with each catwalk bearing rope 5, the length of the large beams 55 is greater than that of the small beams 51, a plurality of wood step square timbers 56 are arranged between the large beams 55 and the small beams 51, the horizontal distance between the two adjacent wood step square timbers 56 is 500mm, a surface mesh 57 is arranged on the surface of the wood step square timbers 56, the surface mesh 57 comprises a double-layer steel wire mesh surface, which is an upper steel wire mesh 572 and a lower steel wire mesh 571 respectively, the upper steel wire mesh 572 is a fine steel wire mesh with a side length, the lower steel wire mesh 571 is a steel wire thick mesh with the grid side length of 5mm, a plurality of handrail upright posts 52 which are uniformly distributed are arranged above the catwalk bearing rope 5, the handrail upright posts 52 are arranged along the length direction of the handrail upright posts, the height of the handrail upright posts 52 is 1470mm, the handrail upright posts 52 are perpendicular to the surface of the wood step square timber 56, the handrail upright posts 52 are commonly connected with handrail ropes 53, the handrail ropes 53 comprise upper handrail ropes 531, middle handrail ropes 532 and lower handrail ropes 533 which are sequentially arranged from high to low, the distance between the upper handrail ropes 531 and the middle handrail ropes 532 is 460mm, the distance between the middle handrail ropes 532 and the lower handrail ropes 533 is 460mm, the distance between the lower handrail ropes 533 and the wood step square timber 56 is 500mm, a safety side mesh 54 connected with the middle handrail ropes 532 and the lower handrail ropes 533 is arranged on the wood step square timber 56, and the height of the safety side mesh 54 is 1150 mm.
As shown in fig. 3, one side of each anchor 1 close to each other is arranged on a buttress 6, an anchoring embedded part 11 is arranged in each anchor 1, one side of each anchoring embedded part 11 close to the buttress 6 is provided with a catwalk bearing cable anchoring beam 12, a slotted hole is arranged on each catwalk bearing cable anchoring beam 12, a catwalk bearing cable pull rod 14 connected with the anchoring embedded part 11 is arranged through the slotted hole, the catwalk bearing cable pull rod 14 is connected with a catwalk bearing cable 5 through a jack 13, and the catwalk bearing cable pull rods 14 and the catwalk bearing cables 5 are arranged in a one-to-one correspondence manner, anchor 1 door frames are installed on the two buttress piers 6, cable-scattering saddles 62 are further installed in the buttress piers 6, the catwalk bearing cables 5 are located on two sides of the cable-scattering saddles 62 and are symmetrically distributed, pull rod embedded parts 63 are installed on the buttress piers 6, the pull rod embedded parts 63 are connected with the cable-scattering saddles 62 through fixed pull rods 64, the fixed pull rods 64 are located on one side, away from the anchor 1, of the cable-scattering saddles 62, and the deflection beams 65 are located on one side, away from the anchor 1, of the buttress.
When the catwalk line type is adjusted: adjusting a winch 42, wherein the winch 42 works, the winch 42 drives a steel rope to move, the steel rope drives a hanging ring 44 to move, meanwhile, the steel rope drives a pull-down anchoring seat 41 to move, the hanging ring 44 drives a pull-down steel wire rope 45 to move, the pull-down steel wire rope 45 drives a shifting bracket 46 to move, the shifting bracket drives a catwalk bearing rope 5 to move, and the catwalk line type is adjusted; and the jack 13 can be adjusted to work, the jack 13 respectively applies force to the catwalk bearing rope pull rod 14 and the catwalk bearing rope 5, and the linear shape of the catwalk bearing rope 5 is adjusted.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The suspension bridge catwalk system is characterized by comprising a plurality of catwalk bearing ropes (5) which are sequentially arranged, wherein two ends of each catwalk bearing rope (5) are respectively provided with an anchorage (1), two groups of cable towers (2) are arranged between the two anchorages (1), the catwalk bearing ropes (5) penetrate through the tops of the cable towers (2), the two cable towers (2) are symmetrically provided with a deflection pull-down device (4) close to one side, the deflection pull-down device (4) comprises a pull-down anchorage seat (41) positioned on the side wall of the cable tower (2), the catwalk bearing ropes (5) are further connected with a deflection bracket (46), the deflection bracket (46) is further connected with a pull-down steel wire rope (45), one end, far away from the deflection bracket (46), of the pull-down steel wire rope (45) is connected with a winch (42) positioned on the top wall of the cable tower (2), and the pull-down steel wire rope (45) is wound on the pull-down anchorage seat (41) and connected with the winch (42, and the catwalk bearing cable (5) on the other side of the cable tower (2) is symmetrically provided with another displacement support (46), each displacement support (46) comprises a displacement beam (65) and a displacement pull-down beam, and the displacement beams (65) are close to the cable tower (2).
2. The suspension bridge catwalk system according to claim 1, wherein the catwalk bearing cables (5) are provided with a plurality of large cross beams (55) and small cross beams (51) which are distributed in a staggered mode, the large cross beams (55) and the small cross beams (51) are arranged in parallel, the large cross beams (55) are arranged perpendicular to the catwalk bearing cables (5) in the length direction, the large cross beams (55) and the small cross beams (51) are connected with the catwalk bearing cables (5), the length of each large cross beam (55) is larger than that of each small cross beam (51), a plurality of wood step square timbers (56) which are distributed uniformly are arranged between the large cross beams (55) and the small cross beams (51), and the surface of each wood step square timbers (56) is provided with a surface net (57).
3. The suspension bridge catwalk system according to claim 2, wherein a plurality of handrail upright posts (52) are uniformly distributed above the catwalk bearing rope (5), the handrail upright posts (52) are arranged along the length direction of the catwalk bearing rope, the handrail upright posts (52) are arranged vertical to the surface of the wood step square timber (56), and the handrail upright posts (52) are connected with handrail ropes (53) together.
4. A suspension bridge catwalk system according to claim 3, wherein the handrail cable (53) comprises an upper handrail cable (531), a middle handrail cable (532) and a lower handrail cable (533) arranged in sequence from high to low, and the tread square timber (56) is provided with a safety side net (54) connected with the middle handrail cable (532) and the lower handrail cable (533).
5. A suspension bridge catwalk system according to claim 4, wherein the veil (57) comprises two layers of wire mesh, an upper layer of wire mesh (572) and a lower layer of wire mesh (571), respectively.
6. The suspension bridge catwalk system according to claim 1, wherein a plurality of uniformly distributed catwalk gantries (3) are arranged above the catwalk bearing cables (5), the catwalk gantries (3) are uniformly distributed along the length direction of the projection of the catwalk bearing cables (5), and the catwalk gantries (3) are fixed by two sets of symmetrically distributed gantry bearing cables (31).
7. The suspension bridge catwalk system according to claim 1, wherein the two anchorages (1) are arranged on the buttress (6) at the side close to each other, anchoring embedded parts (11) are arranged in the anchorages (1), catwalk bearing cable anchoring beams (12) are installed at the side close to the buttress (6) of the anchoring embedded parts (11), catwalk bearing cable pull rods (14) connected with the anchoring embedded parts (11) are arranged on the catwalk bearing cable anchoring beams (12), the catwalk bearing cable pull rods (14) are connected with the catwalk bearing cables (5) through jacks (13), and the catwalk bearing cable pull rods (14) and the catwalk bearing cables (5) are arranged in a one-to-one correspondence manner.
8. The suspension bridge catwalk system according to claim 7, wherein anchor gantries (61) are arranged on the buttresses (6), cable-scattering saddles (62) are further arranged on the buttresses (6), the catwalk bearing cables (5) are arranged on two sides of the cable-scattering saddles (62) and are symmetrically distributed, pull rod embedded parts (63) are installed on the buttresses (6), the pull rod embedded parts (63) are connected with the cable-scattering saddles (62) through fixed pull rods (64), the fixed pull rods (64) are arranged on one sides, away from the anchors (1), of the cable-scattering saddles (62), and the deflection beams (65) are arranged on one sides, away from the anchors (1), of the buttresses (6).
9. A suspension bridge catwalk system according to claim 1, characterized in that the top of the tower (2) is provided with a swivel cable saddle holding the catwalk load-bearing cable (5).
CN201910965286.XA 2019-10-11 2019-10-11 Suspension bridge catwalk system Pending CN110593125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910965286.XA CN110593125A (en) 2019-10-11 2019-10-11 Suspension bridge catwalk system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910965286.XA CN110593125A (en) 2019-10-11 2019-10-11 Suspension bridge catwalk system

Publications (1)

Publication Number Publication Date
CN110593125A true CN110593125A (en) 2019-12-20

Family

ID=68866596

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910965286.XA Pending CN110593125A (en) 2019-10-11 2019-10-11 Suspension bridge catwalk system

Country Status (1)

Country Link
CN (1) CN110593125A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064508A (en) * 2020-08-21 2020-12-11 中铁大桥局集团第六工程有限公司 Method for adjusting linear shape of continuous catwalk of suspension bridge
CN112227225A (en) * 2020-11-23 2021-01-15 中交二公局第二工程有限公司 Catwalk sag adjusting device for erecting main cable based on suspension bridge air spinning method and construction method of catwalk sag adjusting device
CN114108480A (en) * 2021-12-01 2022-03-01 中交第二航务工程局有限公司 Full-section downward-sliding erection structure of suspension bridge catwalk and construction method thereof
CN114575245A (en) * 2022-03-07 2022-06-03 四川公路桥梁建设集团有限公司 Construction method of spatial main cable suspension bridge handrail rope
CN116692694A (en) * 2023-08-04 2023-09-05 贵州省公路工程集团有限公司 Cable crane system and erection method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105369741A (en) * 2015-12-14 2016-03-02 中交一公局第三工程有限公司 Suspension-type movable operation platform for constructing catwalk face net
CN205205686U (en) * 2015-12-14 2016-05-04 中交一公局第三工程有限公司 Portable operation platform of suspension type catwalk veil construction
CN105586832A (en) * 2015-12-15 2016-05-18 中交一公局第三工程有限公司 Suspension type catwalk surface net mounting system
CN205329550U (en) * 2015-12-15 2016-06-22 中交一公局第三工程有限公司 Suspension bridge catwalk system
KR20180012004A (en) * 2016-07-26 2018-02-05 충북대학교 산학협력단 Displacement control device at fixed support, and Key-segment closing method of partially earth-anchored cable-stayed bridge using the same
CN211142832U (en) * 2019-10-11 2020-07-31 中交二公局第五工程有限公司 Suspension bridge catwalk system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105369741A (en) * 2015-12-14 2016-03-02 中交一公局第三工程有限公司 Suspension-type movable operation platform for constructing catwalk face net
CN205205686U (en) * 2015-12-14 2016-05-04 中交一公局第三工程有限公司 Portable operation platform of suspension type catwalk veil construction
CN105586832A (en) * 2015-12-15 2016-05-18 中交一公局第三工程有限公司 Suspension type catwalk surface net mounting system
CN205329550U (en) * 2015-12-15 2016-06-22 中交一公局第三工程有限公司 Suspension bridge catwalk system
KR20180012004A (en) * 2016-07-26 2018-02-05 충북대학교 산학협력단 Displacement control device at fixed support, and Key-segment closing method of partially earth-anchored cable-stayed bridge using the same
CN211142832U (en) * 2019-10-11 2020-07-31 中交二公局第五工程有限公司 Suspension bridge catwalk system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘小勇等: "《泰州大桥建设安全管理及技术》", 31 December 2013, 东南大学出版社, pages: 350 - 351 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064508A (en) * 2020-08-21 2020-12-11 中铁大桥局集团第六工程有限公司 Method for adjusting linear shape of continuous catwalk of suspension bridge
CN112227225A (en) * 2020-11-23 2021-01-15 中交二公局第二工程有限公司 Catwalk sag adjusting device for erecting main cable based on suspension bridge air spinning method and construction method of catwalk sag adjusting device
CN112227225B (en) * 2020-11-23 2024-05-31 中交二公局第二工程有限公司 Catwalk sag adjustment device for erecting main cable based on suspension bridge air spinning method and construction method thereof
CN114108480A (en) * 2021-12-01 2022-03-01 中交第二航务工程局有限公司 Full-section downward-sliding erection structure of suspension bridge catwalk and construction method thereof
CN114108480B (en) * 2021-12-01 2023-05-26 中交第二航务工程局有限公司 Suspension bridge catwalk full-section lower sliding frame arrangement structure and construction method thereof
CN114575245A (en) * 2022-03-07 2022-06-03 四川公路桥梁建设集团有限公司 Construction method of spatial main cable suspension bridge handrail rope
CN114575245B (en) * 2022-03-07 2023-01-13 四川公路桥梁建设集团有限公司 Construction method of spatial main cable suspension bridge handrail rope
CN116692694A (en) * 2023-08-04 2023-09-05 贵州省公路工程集团有限公司 Cable crane system and erection method thereof
CN116692694B (en) * 2023-08-04 2023-09-29 贵州省公路工程集团有限公司 Cable crane system and erection method thereof

Similar Documents

Publication Publication Date Title
CN110593125A (en) Suspension bridge catwalk system
CN112227206B (en) Process design and construction method for ground anchor to self-anchored beam
CN102080357B (en) Integrated beam-falling device and method for steel pipe pier bailey beam cast-in-place bracket
CN203377546U (en) High speed railway spanning construction apparatus
CN110804952B (en) Suspension bridge beam prefabrication and assembly construction process
CN103669224A (en) Method and steel pipe support for construction of arch tower of inclined arch tower double-cable-plane prestressed concrete cable-stayed bridge
CN109488038B (en) Method for installing beam string flexible inhaul cable spanning existing building
CN214220561U (en) Building slope facade diversion rail formula hanging flower basket construction platform
CN111424548B (en) Main cable strand forming device of suspension bridge and construction method thereof
CN108265628A (en) One kind rides cable-styled erection crane lifting cable-stayed bridge girder steel and bridge floor board construction method
CN201106155Y (en) Inclined guy cable auxiliary full cantaliver crane trussed steel beam device
CN211142832U (en) Suspension bridge catwalk system
CN110939069B (en) Construction method of suspension bridge catwalk
CN212477419U (en) Suspension bridge main push-towing rope strand forming device
CN108385539B (en) Long-distance pushing construction method for steel-concrete combined beam span arch ring of deck arch bridge
CN111622126A (en) Construction method of high-altitude vertical manned channel in high mountain rock area
CN105586832A (en) Suspension type catwalk surface net mounting system
CN207987749U (en) Ride cable-styled erection crane
CN108086168A (en) Ride cable-styled erection crane
CN210713755U (en) High-altitude combined type steel beam component mounting and operating platform
CN209873572U (en) Interim navigation lifting station of adjustable vertical lift height
CN116516836A (en) Continuous pushing method for bridge approach non-guide girder large-span steel girder
CN205591115U (en) Suspension type catwalk veil installing the system
CN209779465U (en) main tower erects cable-stay bridge's string cable construction system that changes
CN107524285A (en) A kind of external wall construction suspension bracket and its installation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination