CN105586832A - Suspension type catwalk surface net mounting system - Google Patents
Suspension type catwalk surface net mounting system Download PDFInfo
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- CN105586832A CN105586832A CN201510932154.9A CN201510932154A CN105586832A CN 105586832 A CN105586832 A CN 105586832A CN 201510932154 A CN201510932154 A CN 201510932154A CN 105586832 A CN105586832 A CN 105586832A
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- road
- veil
- suspension type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a suspension type catwalk surface net mounting system, which relates to the field of building equipment. The suspension type catwalk surface net mounting system comprises two winches, two towing devices, a plurality of catwalk bearing cables and a plurality of transverse passages, wherein the plurality of transverse passages are connected with the plurality of catwalk bearing cables in a sliding way above the plurality of catwalk bearing cables; one side of each transverse passage is connected with a plurality of transverse beams through catwalk surface nets; the plurality of transverse beams are arranged in parallel; the plurality of transverse beams are connected with the plurality of catwalk bearing cables in a sliding way; the catwalk surface nets are connected with the plurality of catwalk bearing cables in a sliding way; a crane load inspection bag is suspended under each transverse beam; the two towing devices are used for reversely pulling the plurality of transverse passages; and the two winches are connected with the plurality of transverse passages through steel wire ropes. Through adoption of the suspension type catwalk surface net mounting system provided by the invention, technical problems of long working hours, high cost and low efficiency during laying the catwalk surface nets in the prior art are solved.
Description
Technical field
The present invention relates to Architectural Equipment field, especially relate to a kind of suspension type cat road veil installation system.
Background technology
Suspension bridge, has another name called suspension bridge (suspensionbridge), refers to cable (or steel chain) to be hung and to be anchored in two sides (or bridge two ends) by the Sarasota bridge as the main supporting member of superstructure. Its cable geometry, by equilibrium of forces conditional decision, generally approaches parabola. From cable many suspension rods that hang down, bridge floor is hung, between bridge floor and suspension rod, the standing stiff girder of putting, forms combined system with cable, to reduce the caused deflection deformation of mobile load.
Suspension bridge is mainly made up of parts such as suspension cable, Sarasota, anchorage, suspension rod, bridge decks. The main supporting member of suspension bridge is suspension cable, and its main bearing tension generally uses the steel that tensile strength is high (steel wire, wirerope etc.) to make. Generally in the both sides of bridge, one cables is set respectively, two ends are fixed on the anchor ingot of bank, bear weight by these two main push-towing ropes, two towering Sarasotas that keep at a certain distance away are set on river surface, for supporting main push-towing rope. Between two Sarasotas, be generally referred to as main span, two Sarasotas are generally referred to as end bay to the distance on bank.
Cat road is erected under main push-towing rope while being suspension bridge construction, be parallel to the linear temporary construction sidewalk of main push-towing rope. It is the height scaffolding that workmen carries out construction operation, is the operation platform of main push-towing rope system and even the whole superstructure of suspension bridge. Workmen completes such as strand traction thereon, adjusts strand, shaping enters saddle, tight cable, cord clip and hoist cable is installed, case beam lifting and building site connects, main push-towing rope twines the vital tasks such as silk, protective coating. Each one of upstream and downstream, it is U-shaped that section is conventionally, long and narrow and have some to rock, therefore claim " cat road ", English is catway. It is extremely important temporary facility in suspension bridge construction, and bridge will be removed after being completed.
Cat road system is generally made up of track cable (comprising bitter end length adjustment device), surface layer, railing and handrail, interconnection, global anti-wind system etc.
The main bearing member of track cable Shi Weimao road structure, normally adopts the steel wire rope of twisting to make. According to construction requirement and external design and construction experience, the center line of general An Mao road shaping rear load-bearing rope sets up center line 1.5m left and right lower than main push-towing rope and arranges. Selecting of this distance, except should take into full account that main push-towing rope sets up time workmen easy to operate, while the more important thing is the banding of traction, the main push-towing rope that must consider strand and application, use the operating space requirement of special machine (as: tight cable machine, twine a machine).
Cat road surface layer comprises steel web frame, is divided into two-layerly up and down, and one is thick one thin, becomes cat road veil. The layout of cat road surface layer not only should have the Structural Tectonics of being convenient to safety work, also should in the time of selection, consider to meet cat road entirety and have enough rigidity. For the requirement of working space, the design width in cat road is generally to get 4.0m left and right. Design cat road center line and main push-towing rope center line is vertically being consistent simultaneously, like this in main push-towing rope moulding, loosen after a series of operations such as cat road track cable, Jiang Mao road is suspended to and on main push-towing rope, is easy to keep balance.
Cat road arranges railing post every several meters, on the every lateral rail of length range, establishes a manrope and one to two root guard rope with steel wire rope, and manrope is mainly as the handrail of workman's walking, and guard cable is mainly used in fixing side protection network, to ensure safety. Side shield net adopts the large eye steel wire of high 1.0m left and right.
The interconnection in cat road can meet between upstream and downstream the contact of Mao road, the transfer of convenient construction personnel and equipment and material, and improve the resistance to overturning in cat road self, and strengthen its wind loading rating, be vertical with main push-towing rope. For reducing dead load quality, laterally overline bridge considers to adopt the truss structure of steel pipe or square steel, and should carry out structural strength checking computations. The surface layer of interconnection and railing protection Ke Yumao road surface layer are arranged identical.
The global anti-wind system in cat road, because the construction of main push-towing rope belongs to work high above the ground, and now the construction of the bridge spanning the sea in high wind area increases, so that the impact of wind becomes is particularly outstanding. For the wind resisting stability in construction period cat road, enough rigidity and adjust linear needs, wind resistance cable system and horizontal overline bridge passage are established in below, Mao road conventionally) ensure. Wind resistance cable can not be set for various reasons, can increase the density of horizontal overline bridge or adopt other measures to strengthen stability and the rigidity in cat roads. The quality in the span of the global stiffness in cat road and stability and track cable, the pretension He Mao road of wind resistance cable is relevant. Though cat road is the temporary structure of work progress, in use also likely suffers the attack of high wind and typhoon. In order to ensure the security in the use procedure of cat road, verify the wind loading rating in set cat road, general suspension bridge Mao road structure also should be done wind tunnel test and wind resisting stability analysis and calculation. On Mao road, also should arrange in addition illumination and caution device, should by unit in charge of construction according to use and navigation need lay.
In the prior art, the construction in cat road generally adopts artificial laying, and workmen steps down on cat road track cable and lays piecewise cat road veil and railing post etc., and in work high above the ground, danger very, lays under efficiency, and laying is long man-hour, lays cost higher.
Based on this, the invention provides a kind of suspension type cat road veil installation system to solve above-mentioned technical problem.
Summary of the invention
The object of the present invention is to provide a kind of suspension type cat road veil installation system, in prior art, lay to solve that cat road surface layer man-hour is long, cost is high, inefficient technical problem.
A kind of suspension type cat road veil installation system is provided in an embodiment of the present invention, and described suspension type cat road veil installation system comprises that two hoist engines, two pull device, Duo Tiaomao road track cable and many interconnections;
The main push-towing rope arranged parallel of described Duo Tiaomao road track cable and suspension bridge; Described Duo Tiaomao road track cable in the same plane;
Many described interconnections and described Duo Tiaomao road track cable are slidably connected; Above described Duo Tiaomao road track cable, a side of every described interconnection connects many crossbeams by cat road veil, many described crossbeam parallel arranged, and parallel with described interconnection; Many described crossbeams and described Duo Tiaomao road track cable are slidably connected, and described cat road veil and described Duo Tiaomao road track cable are slidably connected;
Every described crossbeam below is hung with loop wheel machine load-checking bag;
Described in two, pull two Sarasota tops that device lays respectively at suspension bridge, for oppositely pulling many described interconnections;
Two described hoist engines lay respectively at two Sarasota tops of suspension bridge, are connected with many described interconnections by steel wire rope.
Optionally, every described interconnection and every described crossbeam below all arrange pulley.
Optionally, many described crossbeams and described cat road veil are respectively by U-bolt and the track cable clamping of described Duo Tiaomao road.
Optionally, the pin sky in the nut of described U-bolt outside is fitted with split pin.
Optionally, many described crossbeams all adopt shaped steel to make.
Optionally, described loop wheel machine load-checking bag adopts water bag or sandbag.
Optionally, the volume of described loop wheel machine load-checking bag is 3-4m3.
Optionally, the truss structure that described interconnection is steel pipe or Fang Gang.
Optionally, the employing steel material of described Duo Tiaomao road track cable.
Optionally, the quantity of described Duo Tiaomao road track cable is set to 8.
Described suspension type cat provided by the invention road veil installation system, in the time laying, track cable two ends, first design attitude Jiang Duotiaomao road are fixed on two sides, and middle part is fixed on Sarasota top.
First on ground by the various materials of composition cat road surface layer, as anti-skidding batten, surface layer net, angle steel etc., good by design attitude colligation, deposit on stand with the surface layer that tower crane winches to surface layer on tower top workbench temporarily. Then the crossbeam of needs etc. is hung onto under displacement on pull system face side installment work platform. By assembled on two banks many described interconnections, promoted by king-tower tower crane, be promoted to respectively the top of two Sarasotas, then Yu Duogenmao road track cable is installed together, then many crossbeams are linked together by cat road veil, multiple crossbeams below hangs up loop wheel machine load-checking bag as counterweight, then many crossbeams and veil Yu Duotiaomao road, cat road track cable is linked together. Under the gravity of described interconnection, loop wheel machine load-checking bag and many crossbeams, start to glide. In work progress, the downslide of interconnection is carried out in the both sides of oriented two Sarasotas simultaneously simultaneously. Because both sides, the Sarasota top gradient is steeper, the dependences deadweights such as veil just can be glided, too fast for preventing veil gliding speed, lay that hoist engine is counter to be drawn on rope tower top portal, control gliding speed, and the anti-system for winding engine cable that draws is attached on surface layer net crossbeam successively. In the middle of across sliding to the mild location of the gradient under two interconnections that glide at first and veil, while utilizing deadweight not glide, utilize to pull device tractive fag end interconnection is carried out to tractive, in making across two interconnections close up. Then the interconnection that glides one by one, all cats road veil being finally connected with interconnection links together, and forms the passage of a connection, and then is fixed one by one. The interconnection of end bay is manually upwards laid veil with interconnection connects again piecewise by anchorage place after gliding and putting in place, and elder generation's spacer screen rear side net while mating formation, until spread complete end bay cat road. Cat road veil glides while laying, can assemble railing, side net simultaneously, and inwardly be upside down on veil, glides together, and then erect and be fixed on veil with veil.
The application's described suspension type cat road veil installation system, no longer needs manually to lay piecewise cat road veil, by setting up the crossbeam that can slide with respect to cat road track cable, and increases counterweight, and interconnection is also made as slidably. Drive cat road veil to slide by own wt, until be paved with whole cat road track cable, elapsed time is short, and efficiency is high, lays cost lower.
Based on this, the present invention, than original technology, has elapsed time short, and efficiency is high, lays lower-cost advantage.
Brief description of the drawings
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, to the accompanying drawing of required use in detailed description of the invention or description of the Prior Art be briefly described below, apparent, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment mono-structural representation;
Fig. 2 is embodiment mono-top view;
Fig. 3 is interconnection front view;
Fig. 4 is the connection diagram of crossbeam Yu Mao road veil.
Reference numeral:
1-Mao road track cable; 2-interconnection; 3-Mao road veil;
4-crossbeam; 5-Sarasota.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In description of the invention, it should be noted that, orientation or the position relationship of the instructions such as term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of the device of instruction or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as limitation of the present invention. In addition, term " first ", " second ", " the 3rd " be only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or the connection of one; Can be mechanical connection, can be also that electric welding connects; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals. For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Embodiment mono-
As Figure 1-4, provide in the present embodiment a kind of suspension type cat road veil installation system, described suspension type cat road veil installation system comprises that two hoist engines, two pull device, Duo Tiaomao road track cable 1 and many interconnections 2;
The main push-towing rope arranged parallel of described Duo Tiaomao road track cable 1 and suspension bridge; Described Duo Tiaomao road track cable 1 in the same plane;
Many described interconnection 2 is slidably connected with described Duo Tiaomao road track cable 1; Above described Duo Tiaomao road track cable 1, a side of every described interconnection 2 connects many crossbeams 4 by cat road veil 3, many described crossbeam 4 parallel arranged, and parallel with described interconnection 2; Many described crossbeam 4 is slidably connected with described Duo Tiaomao road track cable 1, and described cat road veil 3 is slidably connected with described Duo Tiaomao road track cable 1;
Every described crossbeam 4 belows are hung with loop wheel machine load-checking bag;
Described in two, pull two Sarasota 5 tower tops that device lays respectively at suspension bridge, for oppositely pulling many described interconnections 2;
Two described hoist engines lay respectively at two Sarasota 5 tower tops of suspension bridge, are connected with many described interconnections 2 by steel wire rope.
Described suspension type cat provided by the invention road veil 4 erecting devices, in the time laying, track cable 1 two ends, first design attitude Jiang Duotiaomao road are fixed on two sides, and middle part is fixed on Sarasota top.
First on ground by the various materials of composition cat road surface layer, as anti-skidding batten, surface layer net, angle steel etc., good by design attitude colligation, deposit on stand with the surface layer that tower crane winches to surface layer on tower top workbench temporarily. Then the crossbeam of needs 4 grades are hung onto under displacement on pull system face side installment work platform. By assembled on two banks many described interconnections 2, promoted by king-tower tower crane, be promoted to respectively the top of two Sarasotas 5, then Yu Duogenmao road track cable 1 is installed together, then many crossbeams 4 are linked together by cat road veil 3, multiple crossbeams 4 belows hang up loop wheel machine load-checking bag as counterweight, then many crossbeams 4 and cat road veil 3 Yu Duotiaomao road track cables 1 are linked together. Under the gravity of described interconnection 2, loop wheel machine load-checking bag and many crossbeams 4, start to glide. In work progress, the downslide of interconnection 2 is carried out in the both sides of oriented two Sarasotas 5 simultaneously simultaneously. Because the dependence such as the tower top both sides gradient is steeper, veil deadweights just can be glided, too fast for preventing veil gliding speed, on tower top portal, lay that hoist engine is counter to be drawn, control gliding speed, the anti-system for winding engine cable that draws is attached on surface layer net crossbeam 4 successively. In the middle of across sliding to the mild location of the gradient under two interconnections 2 that glide at first and veil, while utilizing deadweight not glide, utilize to pull device tractive fag end interconnection 2 is carried out to tractive, in making across two interconnections 2 close up. Then the interconnection 2 that glides one by one, all cats road veil 3 being finally connected with interconnection 2 links together, and forms the passage of a connection, and then is fixed one by one. The interconnection 2 of end bay is manually upwards laid veil with interconnection 2 connects again piecewise by anchorage place after gliding and putting in place, and elder generation's spacer screen rear side net while mating formation, until spread complete end bay cat road. Cat road veil 3 glides while laying, can assemble railing, side net simultaneously, and inwardly be upside down on veil, glides together, and then erect and be fixed on veil with veil.
The application's described suspension type cat road veil 3 erecting devices, no longer need manually to lay piecewise cat road veil 3, by setting up the crossbeam 4 that can slide with respect to cat road track cable 1, and increase counterweight, and interconnection 2 is also made as slidably. Drive cat road veil 3 to slide by own wt, until be paved with whole cat road track cable 1, elapsed time is short, and efficiency is high, lays cost lower.
Based on this, the present invention, than original technology, has elapsed time short, and efficiency is high, lays lower-cost advantage.
As figure ..., in the possibility of the present embodiment, every described interconnection 2 and every described crossbeam 4 belows all arrange pulley.
By pulley, described interconnection 2 and described crossbeam 4 are slidably connected with described cat road track cable 1, cost is lower, and device is simple, easy to use.
In the possibility of the present embodiment, many described crossbeams 4 and described cat road veil 3 are respectively by U-bolt and track cable 1 clamping of described Duo Tiaomao road.
U-bolt, i.e. U-bolts, criteria of right and wrong part, so be shaped as U-shaped also referred to as U-bolt, two has screw thread to be combined with nut, is mainly used in fixing tube if water pipe or tablet are as the leaf spring of automobile, due to the mode of its mounting article as people horseback, therefore be called U-bolts. Be stuck on cat road track cable 1 with U-bolt Jiang Mao road veil 3 and crossbeam 4, the unsuitable tension of bolt, to guarantee that surface layer can be free to slide on track cable.
Further, the pin sky in the nut of described U-bolt outside is fitted with split pin.
The pin-and-hole in the nut outside to U-bolt is plugged split pin, prevents that nut comes off in surface layer sliding process
Further, many described crossbeams 4 all adopt shaped steel to make.
Shaped steel is a kind of bar structural section that has certain section shape and size. Intensity is higher, and easy to process, has standard component.
Further, described loop wheel machine load-checking bag adopts water bag or sandbag.
Water bag or sandbag are drawn materials easily, easy to use, save time.
Further, the volume of described loop wheel machine load-checking bag is 3-4m3。
Excessive velocities when overweight loop wheel machine load-checking bag slides, is difficult to control.
In the possibility of the present embodiment, described interconnection 2 is the truss structure of steel pipe or Fang Gang.
Adopt the existing shelf structure that spreads out, technology maturation, cost is lower.
In the possibility of the present embodiment, the employing steel material of described Duo Tiaomao road track cable 1.
Steel material weight capacity is strong, can carry enough weight.
Further, the quantity of described Duo Tiaomao road track cable 1 is set to 8.
8 Gen Mao road track cables 1 are set, ensure its bearing capacity, enough supports are provided.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a suspension type cat road veil installation system, is characterized in that, comprises two elevatorsMachine, two pull device, Duo Tiaomao road track cable and many interconnections;
The main push-towing rope arranged parallel of described Duo Tiaomao road track cable and suspension bridge; Described Duo Tiaomao roadTrack cable in the same plane;
Many described interconnections and described Duo Tiaomao road track cable are slidably connected; Described manyTrack cable top, Tiao Mao road, a side of every described interconnection connects many by cat road veilBar crossbeam, many described crossbeam parallel arranged, and parallel with described interconnection; Many institutesState crossbeam and described Duo Tiaomao road track cable is slidably connected, described cat road veil and described manyCat road track cable is slidably connected;
Every described crossbeam below is hung with loop wheel machine load-checking bag;
Described in two, pull two Sarasota tops that device lays respectively at suspension bridge, for oppositely pullingMany described interconnections;
Two described hoist engines lay respectively at two Sarasotas tops of suspension bridge, by steel wire rope withMany described interconnection connects.
2. suspension type cat according to claim 1 road veil installation system, its feature existsIn, every described interconnection and every described crossbeam below all arrange pulley.
3. suspension type cat according to claim 1 road veil installation system, its feature existsIn, many described crossbeams and described cat road veil are respectively by U-bolt and described many catsRoad track cable clamping.
4. suspension type cat according to claim 3 road veil installation system, its feature existsIn, the pin sky in the nut outside of described U-bolt is fitted with split pin.
5. suspension type cat according to claim 3 road veil installation system, its feature existsIn, many described crossbeams all adopt shaped steel to make.
6. suspension type cat according to claim 5 road veil installation system, its feature existsIn, described loop wheel machine load-checking bag adopts water bag or sandbag.
7. want 6 arbitrary described suspension type cat road veil installation systems, its feature according to rightBe, the volume of described loop wheel machine load-checking bag is 3-4m3。
8. want 1 arbitrary described suspension type cat road veil installation system, its feature according to rightBe, described interconnection is the truss structure of steel pipe or Fang Gang.
9. according to the suspension type cat road veil installation system described in claim 1-8 any one,It is characterized in that the employing steel material of described Duo Tiaomao road track cable.
10. suspension type cat according to claim 9 road veil installation system, its featureBe, the quantity of described Duo Tiaomao road track cable is set to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932154.9A CN105586832A (en) | 2015-12-15 | 2015-12-15 | Suspension type catwalk surface net mounting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932154.9A CN105586832A (en) | 2015-12-15 | 2015-12-15 | Suspension type catwalk surface net mounting system |
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| CN105586832A true CN105586832A (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510932154.9A Pending CN105586832A (en) | 2015-12-15 | 2015-12-15 | Suspension type catwalk surface net mounting system |
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| CN (1) | CN105586832A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476208A (en) * | 2017-08-28 | 2017-12-15 | 中交公局第三工程有限公司 | A kind of end bay cat road changes lifting rope and removes device and method |
| CN109364494A (en) * | 2018-11-29 | 2019-02-22 | 白银桦新石农业科技发展有限公司 | A kind of amusement on water suspension bridge protective device |
| 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 |
| CN110939069A (en) * | 2019-12-11 | 2020-03-31 | 湖北省路桥集团有限公司 | Construction method of suspension bridge catwalk |
| 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 |
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| CN101514543A (en) * | 2009-03-16 | 2009-08-26 | 中交第二公路工程局有限公司 | Mobile trolley used for erecting and removing surface of construction catwalk of suspension bridge |
| CN202881852U (en) * | 2012-08-02 | 2013-04-17 | 巨力索具股份有限公司 | Suspension bridge cable installation system |
| CN104805770A (en) * | 2015-04-15 | 2015-07-29 | 中交二公局第二工程有限公司 | Method for erecting canyon-spanning temporary passage applicable to mountainous area |
| CN205591115U (en) * | 2015-12-15 | 2016-09-21 | 中交一公局第三工程有限公司 | Suspension type catwalk veil installing the system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476208A (en) * | 2017-08-28 | 2017-12-15 | 中交公局第三工程有限公司 | A kind of end bay cat road changes lifting rope and removes device and method |
| CN107476208B (en) * | 2017-08-28 | 2023-07-07 | 中交一公局第三工程有限公司 | Device and method for dismantling hoisting ropes changed from side-span catwalk |
| CN109364494A (en) * | 2018-11-29 | 2019-02-22 | 白银桦新石农业科技发展有限公司 | A kind of amusement on water suspension bridge protective device |
| 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 |
| CN110939069A (en) * | 2019-12-11 | 2020-03-31 | 湖北省路桥集团有限公司 | Construction method of suspension bridge catwalk |
| CN110939069B (en) * | 2019-12-11 | 2022-02-08 | 湖北省路桥集团有限公司 | Construction method of suspension bridge catwalk |
| 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 |
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Effective date of registration: 20170609 Address after: 100020 Beijing, Guanzhuang, Chaoyang District, Zhou Applicant after: CCCC First Highway Engineering Co., Ltd. Address before: 101100 Beijing City, Tongzhou District Zhongguancun Tongzhou Science Park Bridge Science and technology industrial base of Jing Sheng No. 10 North Street Applicant before: No. 1 Engineering Co., Ltd. of FHEC of CCCC |
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Application publication date: 20160518 |