CN211689948U - Suspension operation platform device for construction of suspension cable at tower part of cable-stayed bridge - Google Patents
Suspension operation platform device for construction of suspension cable at tower part of cable-stayed bridge Download PDFInfo
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- CN211689948U CN211689948U CN201922463283.4U CN201922463283U CN211689948U CN 211689948 U CN211689948 U CN 211689948U CN 201922463283 U CN201922463283 U CN 201922463283U CN 211689948 U CN211689948 U CN 211689948U
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Abstract
The utility model provides a cable-stay bridge tower portion suspension cable construction hangs operation platform device, including the crossbeam, the crossbeam includes and buries underground in the first crossbeam and the second crossbeam that are parallel to each other of the pre-buried steel sheet welded at cable-stay bridge owner tower body top, the both sides tip of first crossbeam and second crossbeam is equipped with the cutting ferrule respectively, the top welding of each cutting ferrule has rings, the montant has been welded respectively to the bottom of each cutting ferrule, it has operation platform to be located to distribute from top to bottom between two montants of cable-stay bridge owner tower body homonymy, operation platform is located between montant and the cable-stay bridge owner tower body, an at least montant in two montants distributes from top to bottom has the cat ladder, the well crossbeam of cable-stay bridge owner tower and the bottommost operation platform erect and have the introduction cat ladder. The utility model discloses a shoulder pole beam structure sets up operation platform in main tower body cable hole lower part, for operating personnel provides stable operation space, the equipment with demolish the convenience, the security is high, help promoting the operating efficiency, reduce safe risk.
Description
Technical Field
The utility model relates to a cable-stayed bridge tower portion hangs construction of cable and hangs operation platform device belongs to bridge construction appurtenance technical field.
Background
With the continuous development of high-speed railway construction technology, cable-stayed bridges become one of the main forms of large-span bridges. The installation of the stay cable is one of the key processes of the construction of the cable-stayed bridge, and the installation of the stay cable is mostly carried out by adopting a mode of erecting a scaffold or hanging a hanging basket at present. The method for setting up the scaffold has the defects of long installation time, large workload, difficult operation of construction and extremely high safety risk because a higher scaffold needs to be set up during the construction of a high tower; the hanging basket construction method has high lifting risk due to hanging and hoisting operation, inconvenient operation in high-altitude operation and low work efficiency, and is not suitable for long-time operation due to low stability.
The stay cable is penetrated through the cable and belongs to high-altitude operation, the risk is high, the main tower is increased along with the increase of the span of the bridge, the required steel cable is longer, the weight is larger, when the winch is not enough to provide power required by the cable hanging, a jack needs to be installed at the cable hole to be used as power to complete the cable hanging operation, the operation method needs to manually operate the jack, the operation time is longer, and the existing construction steps and auxiliary devices are difficult to meet the requirement of high-altitude cable hanging construction.
Disclosure of Invention
In order to solve among the prior art not enough that construction process safety risk is great, the work efficiency is low for the suspension cable, the utility model provides an operation platform device is hung in construction of suspension cable of cable-stay bridge tower portion, sets up operation platform in main tower body cable hole lower part through shoulder pole beam structure, for operating personnel provides the operation space, can satisfy the longspan cable-stay bridge suspension cable operation demand, helps promoting the operating efficiency, reduces the safety risk.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a cable-stay bridge tower portion suspension operation platform device of being under construction of string, which comprises a cross beam, the crossbeam includes and buries underground in the pre-buried steel sheet welded first crossbeam and the second crossbeam that are parallel to each other at cable-stay bridge king-tower body top, the both sides tip of first crossbeam and second crossbeam is equipped with the cutting ferrule respectively, the top welding of each cutting ferrule has rings, the montant has been welded respectively to the bottom of each cutting ferrule, it has operation platform to be located to distribute from top to bottom between two montants of cable-stay bridge king-tower body homonymy, operation platform is located between montant and the cable-stay bridge king-tower body, at least a montant in two montants distributes from top to bottom has the cat ladder, the well crossbeam of cable-stay bridge king-tower has erect the introduction cat ladder.
Two montants that are located cable-stay bridge main tower body homonymy are first montant and second montant respectively, operation platform includes that the vertical welding encorbelments in the first of first montant, the second that welds in the second montant is encorbelmented, weld in the first bracing between the bottom of encorbelmenting and first montant, and weld in the second bracing between bottom of encorbelmenting and the second montant, the first anchor end of encorbelmenting and the second of encorbelmenting has two parallel bottom plate frame boards with the welding between the cantilever end, the parallel bottom plate stull that has been laid between two bottom plate frame boards, the bottom plate stull upper berth is equipped with the platform bottom plate.
One end of the ladder stand is connected with the first vertical rod, and the other end of the ladder stand is connected with the first cantilever of the operating platform; or one end of the ladder stand is connected with the second vertical rod, and the other end of the ladder stand is connected with the second cantilever of the operating platform.
Safety plates are laid between the end portions of the first cross beam and the second cross beam, which are located on the same side of the main tower body of the cable-stayed bridge, and each safety plate comprises a bottom plate and a first wing plate and a second wing plate which are arranged above the bottom plate, the first wing plates and the second wing plates are connected to the two sides of the bottom plate through vertical plates respectively, and the first wing plates and the second wing plates are connected to the upper surfaces of the first cross beam and the second cross beam respectively.
First hanging holes used for hanging safety ropes are distributed on the beam bodies of the first cross beam and the second cross beam.
Second hanging holes for hanging safety ropes are distributed on the rod body of the vertical rod.
The rod body of the vertical rod is provided with a hook which is in the same direction as the operating platform and used for hanging the protective rod.
The utility model discloses based on the beneficial effect that its technical scheme had lies in:
the utility model provides a pair of cable-stay bridge tower portion string cable construction hangs operation platform device is main bearing part through the shoulder pole beam structure of two crossbeam formation, sets up operation platform in main tower body both sides, and operation platform is located every cable hole below, for operating personnel provides stable operation space, can satisfy the large-span cable-stay bridge string cable operation demand, and the equipment is convenient with demolising, and the security is high, helps promoting the operating efficiency, reduces safe risk.
Drawings
Fig. 1 is a schematic perspective view of a cable-stayed bridge tower portion suspension construction suspension operation platform device provided by the embodiment of the utility model.
Fig. 2 is a schematic view of a single tower suspended platform configuration.
Fig. 3 is a schematic perspective view of the operation platform.
Fig. 4 is a front view of the cable-stayed bridge tower part suspension construction suspension operation platform device provided by the utility model.
Fig. 5 is a left side view of the cable-stayed bridge tower part suspension construction suspension operation platform device provided by the utility model.
Fig. 6 is a top view of a cable-stayed bridge tower portion suspension construction suspension operation platform device provided by the utility model.
Fig. 7 is a schematic view of the distribution of the safety boards in the second embodiment of the present invention.
Fig. 8 is a schematic view of a three-dimensional structure of an operation platform in the second embodiment of the present invention.
In the figure: 1-first beam, 2-second beam, 3-embedded steel plate, 4-first vertical rod, 5-second vertical rod, 6-third vertical rod, 7-fourth vertical rod, 8-operation platform, 81-first overhang, 82-first diagonal brace, 83-second overhang, 84-second diagonal brace, 85-bottom plate frame plate, 86-bottom plate cross brace, 87-platform bottom plate, 88-second hanging hole, 89-hook, 810-protective rod, 9-first ladder stand, 10-second ladder stand, 11-cutting sleeve, 12-hanging ring, 13-leading ladder stand, 14-cable-stayed bridge main tower body, 15-middle beam, 16-cable hole, 17-cable-stayed cable, 18-safety plate and 19-first hanging hole.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The first embodiment is as follows:
the embodiment provides a cable-stay bridge tower portion string cable construction hangs operation platform device, refer to fig. 1 to 6, including the crossbeam, the crossbeam is including burying underground in the first crossbeam 1 and the second crossbeam 2 that are parallel to each other of 3 welded pre-buried steel sheets at the 14 tops of cable-stay bridge king-tower body, the both sides tip of first crossbeam 1 and second crossbeam 2 is equipped with cutting ferrule 11 respectively, the cutting ferrule is the rectangle, the internal dimension slightly is greater than the crossbeam cross-section, the top welding of each cutting ferrule 11 has rings 12, the hoist and mount operation in the installation of being convenient for.
Vertical rods are welded at the bottom of each clamping sleeve 11 respectively, operating platforms 8 are distributed between the two vertical rods on the same side of the main tower body of the cable-stayed bridge from top to bottom, and each operating platform 8 is located about 90cm below each cable hole 16. The operating platform 8 is located between the vertical rods and the tower body of the main tower of the cable-stayed bridge, the crawling ladder is distributed on at least one vertical rod of the two vertical rods from top to bottom, and the introducing crawling ladder 13 is erected between the middle cross beam 15 and the bottommost operating platform of the main tower of the cable-stayed bridge.
Two montants that are located cable-stay bridge main tower body homonymy are first montant 4 and second montant 5 respectively, operation platform 8 is including welding perpendicularly in the first 81 of encorbelmenting of first montant 4, weld in the second of second montant 5 and encorbelment 83, weld in the first bracing 82 of encorbelmenting between 81 bottoms and the first montant 4, and weld in the second bracing 84 of encorbelmenting between 83 bottoms and the second montant 5, first 81 and the first bracing 82 of encorbelmenting, and the second is encorbelmented 83 and the second bracing 84 constitutes the bracket respectively, as operation platform's main atress structure. Two parallel bottom plate frame plates 85 are welded between the anchoring end and the cantilever end of the first cantilever 81 and the second cantilever 83, a bottom plate cross brace 86 is arranged between the two bottom plate frame plates 85 in parallel, and a platform bottom plate 87 is paved on the bottom plate cross brace 86. The platform bottom plate 87 is of a detachable structure, is used along with the process turnover, and is adjusted to an operation platform needing cable hanging operation.
One end of the ladder stand is connected with the first vertical rod 4, and the other end of the ladder stand is connected with the first cantilever 81 of the operating platform 8; or one end of the ladder stand is connected with the second vertical rod 5, and the other end is connected with the second cantilever 83 of the operating platform 8, and the ladder stand is a first ladder stand 9.
The operating platform on the opposite side is arranged on the third vertical rod 6 and the fourth vertical rod 7, the relative position of the operating platform on the opposite side and the cable hole is completely the same as that of the operating platform in structure and installation mode, and the second ladder stand 10 on the opposite side is arranged on the third vertical rod 6 or the fourth vertical rod 7.
Wherein each crossbeam can adopt the preparation of 40# I-steel, the cutting ferrule can adopt the preparation of 50X 50mm, hollow square pipe of wall thickness 10mm, rings adopt the plain noodles round steel preparation that the diameter is 20mm, the bottom plate stull adopts the preparation of the ribbed steel bar that the diameter is 20mm, each montant adopts the preparation of 20# I-steel, each is encorbelmented, the bracing adopts the preparation of 16# I-steel, each cat ladder, introduce the hollow steel pipe preparation that the cat ladder adopted the external diameter to be 48mm, the wall thickness is 3.5mm, the bottom plate frame can adopt the preparation of angle steel of 50X 5mm, the platform bottom plate can adopt the plank of thickness 30 mm.
The welding between the components is full welding.
Example two:
referring to fig. 7 and 8, the difference between the first embodiment and the second embodiment is that a safety plate 18 is laid between the ends of the first beam 1 and the second beam 2 on the same side of the main tower body of the cable-stayed bridge, the safety plate 18 includes a bottom plate and a first wing plate and a second wing plate above the bottom plate, the first wing plate and the second wing plate are respectively connected to two sides of the bottom plate through risers, and the first wing plate and the second wing plate are respectively connected to the upper surfaces of the first beam 1 and the second beam 2. The safety plates 18 may assist the constructor in laying a temporary construction platform for the welded casing, the number and the gap of which are selected as required. The first wing plate and the second wing plate of the safety plate 18 can be connected with the cross beam through full welding, and can also be fixedly connected through preset screw holes and bolts.
First hanging holes 19 for hanging safety ropes are distributed on the beam bodies of the first cross beam 1 and the second cross beam 2, and construction safety performance is further improved.
Second hanging holes 88 used for hanging safety ropes are distributed on the rod body of the vertical rod, and safety of construction personnel climbing to the working platform through the crawling ladder can be guaranteed.
It establishes couple 89 of protective rod 810 to distribute on the body of rod of montant with 8 syntropies of operation platform being used for hanging, protective rod 810 is detachable construction, use along with the process turnover, adjust to the operation platform that needs the operation of hanging the cable, the quantity of protective rod 810 can be adjusted according to the process, it is full to hang the rail guard in current work platform space when carrying out the preparation work of hanging the cable, after the installation of isocline cable PE outer tube, according to stay cable 17's angle installation protective rod, compromise security and flexibility, and improve work efficiency.
The utility model provides a pair of cable-stay bridge tower portion string cable construction hangs operation platform device sets up operation platform through shoulder pole beam structure in main tower body cable hole lower part, for operating personnel provides stable operation space, the equipment with demolish the convenience, the security is high, helps promoting the operating efficiency, reduces safe risk.
Claims (7)
1. The utility model provides an operation platform device is hung in construction of cable-stay bridge tower portion sling, includes the crossbeam, its characterized in that: the crossbeam includes and buries underground in first crossbeam (1) and second crossbeam (2) of pre-buried steel sheet (3) welded mutual parallel at cable-stay bridge king-tower body (14) top, the both sides tip of first crossbeam (1) and second crossbeam (2) is equipped with cutting ferrule (11) respectively, the top welding of each cutting ferrule (11) has rings (12), the montant has been welded respectively to the bottom of each cutting ferrule (11), it has operation platform (8) to be located to distribute from top to bottom between two montants of cable-stay bridge king-tower body homonymy, operation platform (8) are located between montant and the cable-stay bridge king-tower body, at least one montant in two montants distributes from top to bottom has cat ladder (9), it has introduction cat ladder (13) to erect between well crossbeam (15) and the bottommost operation platform of cable-stay bridge king-tower.
2. The cable-stayed bridge tower part suspension construction operation platform device according to claim 1, characterized in that: two montants that are located cable-stay bridge owner tower body homonymy are first montant (4) and second montant (5) respectively, operation platform (8) are including perpendicular welding in the first (81) of encorbelmenting of first montant (4), weld in the second of second montant (5) and encorbelment (83), weld in first bracing (82) between first (81) bottom and the first montant (4) of encorbelmenting, and weld in second bracing (84) between second (83) bottom and second montant (5), the welding has two bottom plate frame boards (85) of parallel between the anchor end of first (81) encorbelmenting (83) and the cantilever end, bottom plate stull (86) have been laid in parallel between two bottom plate frame boards (85), bottom plate stull (86) are laid on the top and are equipped with platform bottom plate (87).
3. The cable-stayed bridge tower part suspension construction operation platform device according to claim 2, characterized in that: one end of the ladder stand is connected with the first vertical rod (4), and the other end of the ladder stand is connected with the first cantilever (81) of the operating platform (8); or one end of the ladder stand is connected with the second vertical rod (5), and the other end of the ladder stand is connected with the second cantilever (83) of the operating platform (8).
4. The cable-stayed bridge tower part suspension construction operation platform device according to claim 1, characterized in that: safety plates (18) are laid between the end portions of the first cross beam (1) and the second cross beam (2) located on the same side of the main tower body of the cable-stayed bridge, each safety plate (18) comprises a bottom plate and a first wing plate and a second wing plate above the bottom plate, the first wing plates and the second wing plates are connected to the two sides of the bottom plate through vertical plates respectively, and the first wing plates and the second wing plates are connected to the upper surfaces of the first cross beam (1) and the second cross beam (2) respectively.
5. The cable-stayed bridge tower part suspension construction operation platform device according to claim 1, characterized in that: first hanging holes (19) used for hanging safety ropes are distributed on the beam bodies of the first cross beam (1) and the second cross beam (2).
6. The cable-stayed bridge tower part suspension construction operation platform device according to claim 1, characterized in that: and second hanging holes (88) for hanging safety ropes are distributed on the rod body of the vertical rod.
7. The cable-stayed bridge tower part suspension construction operation platform device according to claim 1, characterized in that: the body of rod of montant distributes and has a couple (89) that are used for hanging establishes protective rod (810) with operation platform (8) syntropy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463283.4U CN211689948U (en) | 2019-12-31 | 2019-12-31 | Suspension operation platform device for construction of suspension cable at tower part of cable-stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922463283.4U CN211689948U (en) | 2019-12-31 | 2019-12-31 | Suspension operation platform device for construction of suspension cable at tower part of cable-stayed bridge |
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| Publication Number | Publication Date |
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| CN211689948U true CN211689948U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922463283.4U Active CN211689948U (en) | 2019-12-31 | 2019-12-31 | Suspension operation platform device for construction of suspension cable at tower part of cable-stayed bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969547A (en) * | 2021-11-11 | 2022-01-25 | 无锡金诚工程技术服务有限公司 | U-shaped manned hanging basket type maintenance platform for large bridge tower |
| CN114183004A (en) * | 2021-10-29 | 2022-03-15 | 国网河南省电力公司中牟县供电公司 | Auxiliary device for erecting support frame of power transmission and transformation line tower body and construction method |
-
2019
- 2019-12-31 CN CN201922463283.4U patent/CN211689948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183004A (en) * | 2021-10-29 | 2022-03-15 | 国网河南省电力公司中牟县供电公司 | Auxiliary device for erecting support frame of power transmission and transformation line tower body and construction method |
| CN113969547A (en) * | 2021-11-11 | 2022-01-25 | 无锡金诚工程技术服务有限公司 | U-shaped manned hanging basket type maintenance platform for large bridge tower |
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