CN211142832U - Suspension bridge catwalk system - Google Patents
Suspension bridge catwalk system Download PDFInfo
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- CN211142832U CN211142832U CN201921703096.2U CN201921703096U CN211142832U CN 211142832 U CN211142832 U CN 211142832U CN 201921703096 U CN201921703096 U CN 201921703096U CN 211142832 U CN211142832 U CN 211142832U
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Abstract
The utility model relates to a bridge engineering construction technical field's a suspension bridge catwalk system, including a plurality of catwalk bearing cables, catwalk bearing cable both ends are provided with the anchorage respectively, be provided with two sets of cable towers between two anchorages, two cable towers one side are provided with the pull-down device that shifts, the pull-down device that shifts includes the pull-down anchor seat, still be connected with the support that shifts on the catwalk bearing cable, still be connected with pull-down wire rope on the support that shifts, pull-down wire rope keeps away from the support one end that shifts and is connected with the hoist engine that is located on the cable tower roof, and pull-down wire rope is connected with the hoist engine around locating pull-down anchor seat, catwalk bearing cable symmetry in cable tower opposite side is provided with another support that shifts, the support that shifts all includes the roof beam that shifts and shifts. The utility model discloses the accessible shifts and pulls down the device and be convenient for adjust the span of catwalk, reduces the application of force in the adjustment process, simultaneously, makes the linear of catwalk and the linear basic parallel of suspension bridge main push-towing rope, makes things convenient for constructor operation on the catwalk.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering construction technique and specifically relates to a suspension bridge catwalk system is related to.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension bridge catwalk system, accessible shift pull-down device be convenient for adjust the span of catwalk, reduce the application of force among the adjustment process, simultaneously, make the linear of catwalk and the linear basic parallel of suspension bridge main push-towing rope, make things convenient for constructor operation on the catwalk.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
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 utility model discloses further set up to, the big crossbeam and the little crossbeam of a plurality of crisscross distributions on the catwalk bearing cable, big crossbeam and little crossbeam parallel arrangement, big crossbeam is perpendicular along length direction catwalk bearing cable sets up, big crossbeam and little crossbeam all with each catwalk bearing cable is connected, the length of big crossbeam is greater than the setting of little crossbeam, the wood square timber of marking time that is provided with a plurality of evenly distributed between big crossbeam and the little crossbeam, the wood square timber surface of marking time is provided with the face net.
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 utility model discloses further set up to, catwalk bearing cable top is provided with a plurality of evenly distributed's handrail stand, handrail stand sets up along its length direction, handrail stand vertical wood square timber surface setting of marking time, it is a plurality of handrail stand is connected with the handrail cable jointly.
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 utility model discloses further set up to, the handrail cable includes last handrail cable, well handrail cable and the lower handrail cable that sets gradually from high to low, wood mark time on the square timber be provided with the safety side net that well handrail cable and lower handrail cable are connected.
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 utility model discloses further set up to, the face net includes two-layer wire net face, and two-layer wire net face is upper wire net and lower floor's 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 utility model discloses further set up to, catwalk bearing cable top is provided with a plurality of evenly distributed catwalk gantries, catwalk portal is along catwalk bearing cable projected length direction evenly distributed, the catwalk portal is fixed through the portal bearing cable of two sets of symmetric distributions.
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 utility model discloses further set up to, two the anchorage is close to one side each other and sets up in the buttress, be provided with the anchor built-in fitting in the anchorage, the anchor built-in fitting is close to buttress one side and installs catwalk bearing cable anchor beam, be provided with the catwalk bearing cable pull rod of being connected with the anchor built-in fitting on the catwalk bearing cable anchor beam, catwalk bearing cable pull rod passes through the jack and is connected with catwalk bearing cable, just catwalk bearing cable pull rod sets up with catwalk bearing cable one-to-one.
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 utility model discloses further set up to, all be provided with the anchorage portal on the buttress, still be provided with loose cable saddle on the buttress, catwalk bearing cable is located loose cable saddle both sides and symmetric distribution, install the pull rod built-in fitting on the buttress, the pull rod built-in fitting passes through fixed pull rod with loose cable saddle and is connected, fixed pull rod is located loose cable saddle and keeps away from anchorage one side, the roof beam that shifts is located anchorage one side setting is kept away from to the buttress.
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 utility model discloses further set up to, the cable tower top is provided with the centre gripping the cable saddle of changeing of 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.
To sum up, the utility model discloses following beneficial effect has:
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 the utility model discloses suspension bridge catwalk system's overall structure schematic diagram.
Fig. 2 is a schematic structural diagram 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 in an embodiment of the present invention.
Fig. 4 is a partial schematic view of a suspension bridge catwalk system according to an embodiment of the present invention, which is intended to show the structure of a handrail rope, a handrail pillar, and a safety side net.
Fig. 5 is a partial schematic view of a suspension bridge catwalk system according to an embodiment of the present invention, which is intended to show a surface layer structure of a catwalk.
Fig. 6 is the utility model discloses a structural schematic of catwalk portal.
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 solution of the embodiment 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.
The utility model discloses during adjustment catwalk line type: 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 embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921703096.2U CN211142832U (en) | 2019-10-11 | 2019-10-11 | Suspension bridge catwalk system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921703096.2U CN211142832U (en) | 2019-10-11 | 2019-10-11 | Suspension bridge catwalk system |
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| CN211142832U true CN211142832U (en) | 2020-07-31 |
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| CN201921703096.2U Active CN211142832U (en) | 2019-10-11 | 2019-10-11 | Suspension bridge catwalk system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593125A (en) * | 2019-10-11 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge catwalk system |
| CN113789725A (en) * | 2021-09-10 | 2021-12-14 | 中国水利水电第八工程局有限公司 | Suspension bridge construction method and hoisting device |
-
2019
- 2019-10-11 CN CN201921703096.2U patent/CN211142832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593125A (en) * | 2019-10-11 | 2019-12-20 | 中交二公局第五工程有限公司 | Suspension bridge catwalk system |
| CN113789725A (en) * | 2021-09-10 | 2021-12-14 | 中国水利水电第八工程局有限公司 | Suspension bridge construction method and hoisting device |
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