CN106988230A - A kind of cradle structure in reinforced concrete arch bridge building course - Google Patents
A kind of cradle structure in reinforced concrete arch bridge building course Download PDFInfo
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- CN106988230A CN106988230A CN201710309402.3A CN201710309402A CN106988230A CN 106988230 A CN106988230 A CN 106988230A CN 201710309402 A CN201710309402 A CN 201710309402A CN 106988230 A CN106988230 A CN 106988230A
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- main truss
- roller
- running gear
- load bearing
- bearing system
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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
- E01D21/10—Cantilevered erection
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the cradle structure in a kind of reinforced concrete arch bridge building course, include main truss load bearing system, the left and right sides is each provided with 1 secondary C-shaped hook in the middle part of main truss load bearing system, C-shaped hook top is connected with running gear, running gear bottom is located on the walking track poured at the top of the arch box of section, connecting plate is provided with C-shaped hook, connecting plate is each side connected by many oblique pull suspender belts with the pulling seat positioned at the preceding basket of main truss load bearing system and rear basket side, anti- roller devices are provided with rear basket, lifting load-bearing screw rod is provided with main truss load bearing system.The cradle structure can avoid sinking in concreting process larger when using, and Hanging Basket angle-regulation structure is fairly simple, using more convenient, and stopping mechanism will not be constituted on bridge structure and influenceed.
Description
Technical field
The present invention relates to a kind of cradle structure, the Hanging Basket knot in particularly a kind of reinforced concrete arch bridge building course
Structure.
Background technology
Since being used in Arch Bridge Construction from cast-in-place cantilever method, suspended casting suspended basket structure type successively occurs in that positive triangle rod member
Formula Hanging Basket, inverted triangle rod member formula Hanging Basket, both Hanging Baskets achieve success on type of service, but with cantilever pouring length
And the increasing of weight, both the above Hanging Basket also occurs in that corresponding drawback, and such as rod member stress is bigger than normal, the excessive feelings of cantilever end downwarp
Condition so that existing Types of Cradles can not meet the requirement of cantilever pouring.
Hanging Basket is poured behind one section of completion, it is necessary to Hanging Basket be moved forward, because arch ring Hanging Basket is inclined, in deadweight
Under power effect, there is the trend slid backward, to avoid moving after Hanging Basket, generally open up aperture in the arch box bottom poured, insert
Shaped steel, forms stopping mechanism.But this mode has a problem that that is, port size is larger, reserve when cage bar avoid aperture,
Situations such as rear benefit concrete of orifice position can not completely be combined with original structure, causes arch ring force structure can not be kissed with original design
Close, bridge performance is impacted.
Furthermore, due to not effective anti-offset structure in existing cradle structure movement forward, cause before Hanging Basket
Hanging Basket axis and arch ring axis not parallel situation occur during shifting so that horizontal drift condition occurs in Hanging Basket, and bridge is needed
To be constructed according to design drawing, it is time-consuming and take so that need to carry out its horizontal skew error correction after hanging basket advancing
Power.
The content of the invention
It is an object of the present invention to provide the cradle structure in a kind of bridge reinforcement concrete arch-type bridge building course.Should
Cradle structure is improved with the shortcoming that the span of rod member formula Hanging Basket is small, deformation is larger, and cantilever pouring length extend into preceding institute
The length for the 8.0m not having, and stopping mechanism is simple, convenient, and reliable, to arch ring structure not damaged, Hanging Basket angle of inclination is by hanging
The counter-force roller devices adjustment of basket afterbody, structure is simple and direct, accurate, and stress is clear and definite.
Technical scheme:A kind of cradle structure in reinforced concrete arch bridge building course, includes main truss
The left and right sides is each provided with 1 secondary C-shaped hook in the middle part of load bearing system, main truss load bearing system, and C-shaped hook top is connected with walking dress
Put, running gear bottom is located on the walking track poured at the top of the arch box of section, be provided with connecting plate on C-shaped hook, connect
Plate is each side connected by many oblique pull suspender belts with the pulling seat positioned at the preceding basket of main truss load bearing system and rear basket side, in rear basket
On be provided with anti-roller devices, be provided with main truss load bearing system lifting load-bearing screw rod;The anti-roller devices include instead
The anti-bearing pin of roller first is provided with roller supporting seat, anti-roller supporting seat, the bottom of the anti-roller supporting arm of more than 2 is penetrated
In the anti-bearing pin of roller first, anti-roller supporting arm top is attached by the anti-bearing pin of roller second, in the anti-bearing pin of roller second
Penetrate on anti-roller, anti-roller supporting seat and be also fed through 1 adjusting bolt, adjusting bolt head end is connected with positioned at anti-roller branch
The anti-roller sliding block on seat is supportted, anti-roller sliding block props up the side of anti-roller supporting arm.
Cradle structure in foregoing reinforced concrete arch bridge building course, also includes horizontal stopping device, level
Stopping device includes the counter-force support element for being embedded in the arch box bottom for having poured section, also includes and is arranged on main truss load-bearing system
Counter-force screw rod is fixed with by counter-force nut on counter-force support on system, counter-force support.
Cradle structure in foregoing reinforced concrete arch bridge building course, the running gear includes running gear
Bottom plate, running gear bottom base plate is provided with running gear slide plate, and running gear bottom plate is through running gear strengthening web and walking
Device top plate is connected, and running gear top plate is fixed together with C-shaped hook head end, and running gear strengthening web front and rear sides are set
There is shrouding;The walking track includes has poured section surface at the top of the U-shaped reinforcing bar that section has been poured in embedment, U-shaped reinforcing bar with being located at
The connection of walking installing seat for rail, walking installing seat for rail includes and forms walking passageway between 2 blocks of side plates, side plate;Walking dress
Put in walking passageway, the running gear counter-force seat being fixed on side plate is additionally provided with walking passageway, running gear is anti-
Hydraulic jack is provided with power seat.
Cradle structure in foregoing reinforced concrete arch bridge building course, the running gear strengthening web and side plate
On be provided with bearing pin and penetrate hole.
Cradle structure in foregoing reinforced concrete arch bridge building course, two secondary C-shaped hook top and bottom are respectively
Connected by C-shaped hook connection cross bar.
Cradle structure in foregoing reinforced concrete arch bridge building course, the main truss load bearing system is divided into the knot that winds up
Body structure is attached into by vertical rod and brace between structure and lower beam string structure, upper and lower beam string structure, upper and lower beam string structure includes
Have between the longitudinal main truss piece of multi-disc, longitudinal main truss piece and to be attached by the horizontal main truss piece of multi-disc, main truss load bearing system is hung with C-shaped
Hook is that node is divided into preceding basket and rear basket, wherein the horizontal main truss piece of preceding basket is more than longitudinal main truss in rear basket, preceding blue upper beam string structure
It is also associated with being also associated between the multi-disc distribution purlin piece parallel with horizontal main truss piece, longitudinal main truss piece of rear basket between piece oblique
Connection purlin piece.
Basket both sides are each after cradle structure in foregoing reinforced concrete arch bridge building course, the main truss load bearing system
1 anti-offset roller devices is provided with, anti-offset roller devices include the anti-offset roller being arranged on main truss load bearing system
Be provided with mounting bracket, anti-offset roller mounting bracket between 2 pieces of horizontal mounting plates, 2 pieces of horizontal mounting plates be connected with it is anti-bias
Move on rolling wheel installing shaft, anti-offset rolling wheel installing shaft and be provided with anti-offset roller, anti-offset roller props up the side for having poured section.
Beneficial effects of the present invention:Compared with prior art, cradle structure of the invention will be main by lifting load-bearing screw rod
Purlin load bearing system, template system, concrete load are transferred to and have poured section, meanwhile, the horizontal pull produced after forward and backward basket stand under load
Partial equilibrium and counteracting are realized by C-shaped hook, the sliding force of Hanging Basket generation is tiltedly climbed, the sliding force that concrete load is produced leads to
Crossing stopping mechanism realizes balance, and main truss cradle intensity, rigidity are larger.During hanging basket advancing, lifting load-bearing screw rod decentralization, by C
Shape links up with upper end pressure-bearing on vertical shift walking track, and the anti-roller in anti-roller devices reacts on arch box bottom surface, takes out lifting
Load-bearing screw rod, the hydraulic jack of top surface rear end is linked up with by C-shaped, and moved forward Hanging Basket, and Hanging Basket is moved to and newly pours section position, and
The adjustment at Hanging Basket angle of inclination can be carried out by the raising and lowering of the anti-roller devices in rear end, meanwhile, to avoid Hanging Basket in reach
During the plan-position skew that is likely to occur, in the side of main truss rear end, anti-offset roller devices, anti-offset rolling are laterally set
Wheel clamps arch ring side, is always ensured that Hanging Basket axis and arch ring diameter parallel, and the apparatus structure is simple, and can but effectively play prevents
Hanging Basket produces the effect of lateral shift.During hanging basket advancing, hydraulic jack one end is supported on rail top face position relatively not
The running gear counter-force seat of change, the other end is supported on C-shaped hook top surface rear end, start hydraulic jack can drive Hanging Basket to
Before, move up, iterative cycles hydraulic jack stroke, so as to realize the walking of whole Hanging Basket;Horizontal stopping device is by counter-force
Support element and counter-force support composition, counter-force support element are embedded in have poured and reserved on section arch box bottom, counter-force support element
12 bolts hole, upper surface of steel plate puts on nut, and nut top surface is closed using thickness 3mm steel plate, it is to avoid concreting process
In, concrete immersion bolt hole.Hanging basket advancing in place after, counter-force support passes through 12 counter-force screw rods and counter-force support element and bolted
Together, form horizontal stopping device, due to be need not be to arch box bottom in bolt connection, counter-force support element setting up procedure
Reinforcing bar and concrete cause damage, after the completion of use remove counter-force support, arch ring outward appearance, Bu Huiying can be recovered by giving modification
Ring bridge structure.The shortcoming that span is small, deformation is larger that the cradle structure of the present invention improves former rod member formula Hanging Basket, by cantilever
Pour the length that length extend to unprecedented 8.0m by original 6.5m, and in casting process main truss load bearing system sink compared with
It is small, no more than 20mm;And stopping mechanism is simple, convenient, and reliable, to arch ring structure not damaged, Hanging Basket angle of inclination passes through Hanging Basket
The counter-force roller devices adjustment of afterbody, structure is simple and direct, accurate, and stress is clear and definite.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention;
Accompanying drawing 2 is the overlooking the structure diagram of accompanying drawing 1;
Accompanying drawing 3 is the side structure schematic diagram of accompanying drawing 1;
Accompanying drawing 4 is the structural representation of anti-roller devices;
Accompanying drawing 5 is the side structure schematic diagram of accompanying drawing 4;
Accompanying drawing 6 is the overlooking the structure diagram of accompanying drawing 4;
Accompanying drawing 7 is the close-up schematic view of accompanying drawing 2;
Accompanying drawing 8 is the structural representation that C-shaped is linked up with;
Accompanying drawing 9 is the close-up schematic view of accompanying drawing 8;
Accompanying drawing 10 is the assembling schematic diagram of running gear and walking track;
Accompanying drawing 11 is the structural representation of anti-offset roller devices;
Reference:1- main truss load bearing systems, 2-C shapes hook, 3- running gears, 4- arch boxes, 5- walking tracks, 6- connecting plates,
7- oblique pull suspender belts, 8- pulling seats, the anti-roller devices of 9-, the anti-roller supporting seats of 10-, the anti-bearing pins of roller first of 11-, the anti-roller branch of 12-
Brace, the anti-bearing pins of roller second of 13-, the anti-rollers of 14-, 15- adjusting bolts, the anti-roller sliding blocks of 16-, 17- lifting load-bearing screw rods,
18- counter-force support elements, 19- counter-force supports, 20- counter-force nuts, 21- counter-force screw rods, 22- running gear bottom plates, 23- walking dresses
Put slide plate, 24- running gear strengthening webs, 25- running gear top plates, 26-U shape reinforcing bars, 27- walking installing seat for rail, 28- sides
Plate, 29- walking passageways, 30- running gears counter-force seat, 31- hydraulic jacks, 32- bearing pins penetrate hole, and the hook connection of 33-C shapes is horizontal
Bar, 34- longitudinal directions main truss piece, 35- transverse direction main truss pieces, 36- braces, 37- is coupled purlin piece, and 38- distribution purlin pieces, 39- shroudings, 40- is stood
Bar, the anti-offset roller devices of 41-, the anti-offset roller mounting brackets of 42-, 43- horizontal mounting plates, the anti-offset rolling wheel installing shafts of 44-,
The anti-offset rollers of 45-.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiments of the invention:Cradle structure in a kind of reinforced concrete arch bridge building course, such as accompanying drawing 1-11 institutes
Show, include main truss load bearing system 1, the middle part left and right sides of main truss load bearing system 1 is each provided with 1 secondary C-shaped hook 2, C-shaped hook 2
Top is connected with running gear 3, and the bottom of running gear 3 is located on the walking track 5 at the top of arch box 4 for having poured section, C-shaped hook
Be provided with connecting plate 6 on 2, connecting plate 6 each side by many oblique pull suspender belts 7 with positioned at basket before main truss load bearing system 1 and
The pulling seat 8 of basket side is connected afterwards, and 2 anti-roller devices 9 are provided with rear basket, lifting is provided with main truss load bearing system 1
Load-bearing screw rod 17.Load-bearing screw rod 17 is lifted when using through after the reserved lifting load-bearing screw hole poured on section, its top with
Hydraulic feed-through jack is connected, and is carried main truss load bearing system 1 by lifting load-bearing screw rod 17 using hydraulic feed-through jack
It is raised to behind position and anchors.Then the front end of main truss load bearing system 1 is that bed die and other mould bases knots are installed on the preceding basket of Hanging Basket again
Lifting load-bearing screw hole is reserved in structure, die carrier structure installation process, then casting concrete.The top of C-shaped hook 2 in whole process
Portion hangs over the top for having poured section.Pour section it is up to standard after, release Hanging Basket lifting load-bearing screw rod 17 so that with C-shaped hook 2 connect
The running gear 3 connect falls in walking track 5, by running gear 3 C-shaped can be driven to link up with 2 and the main truss being attached thereto
Load bearing system 1 is walked.The anti-roller devices 9 include the anti-roller supporting seat 10 being fixed on main truss load bearing system 1, anti-rolling
The bottom that the anti-roller supporting arm 12 of anti-the first bearing pin of roller more than 11,2 is provided with wheel support base 10 penetrates anti-roller the
In one bearing pin 11, the anti-top of roller supporting arm 12 is attached by anti-the second bearing pin of roller 13, in anti-the second bearing pin of roller 13
Penetrate on anti-roller 14, anti-roller supporting seat 10 and be also fed through 1 adjusting bolt 15, the head end of adjusting bolt 15, which is connected with, to be located at
Anti- roller sliding block 16 on anti-roller supporting seat 10, anti-roller sliding block 16 props up the side of anti-roller supporting arm 12.Whole Hanging Basket
In moving process, roller 14 is pressed on the bottom surface for having poured section, is formed 1 strong point, is facilitated the movement of Hanging Basket.Bridge was poured
, it is necessary to adjust the angle of bed die by the angle of main truss load bearing system 1 and horizontal plane in journey, method of adjustment is:Rotation adjustment
Screw rod 15, because the other end of adjusting bolt 15 is contacted with anti-roller sliding block 16, rotates after adjusting bolt 15, adjusts spiral shell inwards
Bar 15 can promote anti-roller sliding block 16 to move inwards, because anti-roller supporting arm 12 is contacted with anti-roller sliding block 16 again, anti-roller
Sliding block 16 in moving process, can drive anti-roller supporting arm 12 to be rotated around anti-the first bearing pin of roller 11 so that anti-roller branch inwards
Between the main truss load bearing system 1 of brace more than 12 angle increase, angle increase during can cause main truss load bearing system 1 it is preceding in the key
Heavy, rear basket upwarps the angle adjustment for realizing main truss load bearing system 1, when adjusting bolt 15 is screwed out backward, can cause anti-roller branch
Angle between the main truss load bearing system 1 of brace more than 12 diminishes, and angle can cause during diminishing on the preceding basket of main truss load bearing system 1
Stick up, after sink in the key.
Also include horizontal stopping device, horizontal stopping device, which includes, is embedded in the anti-of the bottom of arch box 4 for having poured section
Power support element 18, also includes and passes through counter-force spiral shell on the counter-force support 19 being arranged on main truss load bearing system 1, counter-force support 19
Mother 20 is fixed with counter-force screw rod 21.When Hanging Basket, which is moved to, needs position, Hanging Basket is lifted up by lifting load-bearing screw rod 17,
So that the rear end of counter-force screw rod 21 props up counter-force support element 18, it is to avoid Hanging Basket is moved after occurring under gravity.Due to counter-force branch
Frame member 18 is just embedded in mould bases before casting concrete, therefore need not have been poured in the later stage and set counter-force support after concrete again
Component 18, it is to avoid damaged in setting up procedure to the concrete poured.
The running gear 3 includes running gear bottom plate 22, and the bottom of running gear bottom plate 22 is provided with running gear cunning
Plate 23, running gear bottom plate 22 is connected through running gear strengthening web 24 with running gear top plate 25, running gear top plate 25 and C
Shape is linked up with 2 head ends and is welded and fixed together, and the front and rear sides of running gear strengthening web 24 are provided with shrouding 39;The walking track
5 include the U-shaped reinforcing bar 26 that section has been poured in embedment, and U-shaped reinforcing bar 26 is first embedded in die carrier structure when setting mould bases, Ran Houzai
Casting concrete, and cause the head end of U-shaped reinforcing bar 26 is exposed to stop outside concrete, then again by the top of U-shaped reinforcing bar 26 with being located at
The walking installing seat for rail 27 for having poured section surface is connected, and walking installing seat for rail 27 includes between 2 blocks of side plates 28, side plate 28
Form walking passageway 29;Running gear 3 is put into walking passageway 29, is additionally provided with and is fixed on side plate 28 in walking passageway 29
Running gear counter-force seat 30, be provided with hydraulic jack 31 on running gear counter-force seat 30.When Hanging Basket is moved, hydraulic jack
31 afterbodys prop up running gear counter-force seat 30, and hydraulic jack 31 is contacted after releasing with shrouding 39, so as to promote running gear 3 to exist
Moved in the walking passageway 29 of walking track 5, running gear 3 drives C-shaped hook 2 and main truss load bearing system 1 to move together, works as shifting
When moving to the range of hydraulic jack 31, first running gear 3 is fixed, then running gear counter-force seat 30 is dismantled,
It is arranged on side plate 28, then unclamps securing running gear 3, hydraulic jack 31 is released again, you can again further along
It is secondary to promote running gear 3 forward, and so on until Hanging Basket is moved to and needs position.
Bearing pin is provided with the running gear strengthening web 24 and side plate 28 and penetrates hole 32, when needing to running gear
3 when being fixed, and the bearing pin on fixed bearing pin insertion running gear strengthening web 24 and side plate 28 is penetrated into hole 32, you can
Realize the fixation work of running gear 3.
The two secondary top and bottom of C-shaped hook 2 are connected by C-shaped hook connection cross bar 33 respectively.So that C-shaped hook 2 is formed
One entirety, is easy to bear the gravity of main truss load bearing system 1.
1 point of the main truss load bearing system be between upper beam string structure and lower beam string structure, upper and lower beam string structure by vertical rod 40 and tiltedly
Bar 36 is attached into body structure, and upper and lower beam string structure includes to be passed through between the longitudinal main truss piece 34 of multi-disc, longitudinal main truss piece 34
Multi-disc transverse direction main truss piece 35 is attached, and main truss load bearing system 1 is divided into preceding basket and rear basket by node of C-shaped hook, wherein preceding basket
Horizontal main truss piece 35 be more than rear basket, be also associated with multi-disc and horizontal main truss between longitudinal main truss piece 34 in preceding blue upper beam string structure
Oblique connection purlin piece 37 is also associated between the parallel distribution purlin piece 38 of piece 35, longitudinal main truss piece 34 of rear basket.It is easy to pour
The gravity afforded is distributed when concrete.
Basket both sides are each provided with 1 anti-offset roller devices 41, anti-offset roller devices 41 after the main truss load bearing system 1
Include and set in the anti-offset roller mounting bracket 42 being arranged on main truss load bearing system 1, anti-offset roller mounting bracket 42
Have and anti-offset rolling wheel installing shaft 44 is connected between 2 pieces of horizontal mounting plates, 43,2 pieces of horizontal mounting plates 43, anti-offset roller is installed
Anti-offset roller 45 is provided with axle 44, anti-offset roller 45 props up the side for having poured section.It is anti-offset during hanging basket advancing
Roller 45 props up the side for having poured section all the time, is always ensured that Hanging Basket axis and arch ring diameter parallel, and the apparatus structure is simple, but
The effect for preventing Hanging Basket from producing lateral shift can be effectively played.
Claims (7)
1. the cradle structure in a kind of reinforced concrete arch bridge building course, it is characterised in that:Include main truss load bearing system
(1), main truss load bearing system(1)Middle part arranged on left and right sides is each provided with 1 secondary C-shaped hook(2), C-shaped hook(2)Top is connected with row
Walking apparatus(3), running gear(3)Bottom is located at the arch box for having poured section(4)The walking track at top(5)On, C-shaped hook(2)
On be provided with connecting plate(6), connecting plate(6)Arranged on left and right sides respectively passes through many oblique pull suspender belts(7)With positioned at main truss load bearing system
(1)Preceding basket and the pulling seat of rear basket side(8)Connection, is provided with anti-roller devices on rear basket(9), in main truss load bearing system(1)
On be provided with lifting load-bearing screw rod(17);The anti-roller devices(9)Include anti-roller supporting seat(10), anti-roller supporting seat
(10)On be provided with the anti-bearing pin of roller first(11), the anti-roller supporting arm of more than 2(12)Bottom penetrate anti-roller first
Bearing pin(11)In, anti-roller supporting arm(12)Top passes through the anti-bearing pin of roller second(13)It is attached, the anti-bearing pin of roller second
(13)In penetrated anti-roller(14), anti-roller supporting seat(10)On be also fed through 1 adjusting bolt(15), adjusting bolt(15)
Head end is connected with positioned at anti-roller supporting seat(10)On anti-roller sliding block(16), anti-roller sliding block(16)Prop up anti-roller supporting
Arm(12)Side.
2. the cradle structure in reinforced concrete arch bridge building course according to claim 1, it is characterised in that:Also wrap
Horizontal stopping device is included, horizontal stopping device, which includes, is embedded in the arch box for having poured section(4)The counter-force support element of bottom
(18), also include and be arranged on main truss load bearing system(1)On counter-force support(19), counter-force support(19)It is upper to pass through counter-force nut
(20)It is fixed with counter-force screw rod(21).
3. the cradle structure in reinforced concrete arch bridge building course according to claim 1, it is characterised in that:It is described
Running gear(3)Include running gear bottom plate(22), running gear bottom plate(22)Bottom is provided with running gear slide plate(23),
Running gear bottom plate(22)Through running gear strengthening web(24)With running gear top plate(25)Connection, running gear top plate(25)
Linked up with C-shaped(2)Head end is fixed together, running gear strengthening web(24)Front and rear sides are provided with shrouding(39);The row
Walk track(5)Include the U-shaped reinforcing bar that section has been poured in embedment(26), U-shaped reinforcing bar(26)Section surface has been poured with being located in top
Walking installing seat for rail(27)Connection, installing seat for rail of walking(27)Include 2 blocks of side plates(28), side plate(28)Between formed row
Walk passage(29);Running gear(3)It is put into walking passageway(29)In, in walking passageway(29)In be additionally provided with and be fixed on side plate
(28)On running gear counter-force seat(30), running gear counter-force seat(30)On be provided with hydraulic jack(31).
4. the cradle structure in reinforced concrete arch bridge building course according to claim 3, it is characterised in that:It is described
Running gear strengthening web(24)And side plate(28)On be provided with bearing pin and penetrate hole(32).
5. the cradle structure in reinforced concrete arch bridge building course according to claim 1, it is characterised in that:Two is secondary
C-shaped is linked up with(2)Top and bottom pass through C-shaped hook connection cross bar respectively(33)Connection.
6. the cradle structure in reinforced concrete arch bridge building course according to claim 1, it is characterised in that:It is described
Main truss load bearing system(1)It is divided between beam string structure and lower beam string structure, upper and lower beam string structure and passes through vertical rod(40)And brace(36)Enter
Row connects into body structure, and upper and lower beam string structure includes the longitudinal main truss piece of multi-disc(34), longitudinal main truss piece(34)Between by many
Piece transverse direction main truss piece(35)It is attached, main truss load bearing system(1)It is divided into preceding basket and rear basket by node of C-shaped hook, wherein before
The horizontal main truss piece of basket(35)More than rear basket, longitudinal main truss piece in preceding blue upper beam string structure(34)Between be also associated with multi-disc with it is horizontal
To main truss piece(35)Parallel distribution purlin piece(38), longitudinal main truss piece of rear basket(34)Between be also associated with oblique connection purlin piece
(37).
7. the cradle structure in reinforced concrete arch bridge building course according to claim 1, it is characterised in that:It is described
Main truss load bearing system(1)Basket both sides are each provided with 1 anti-offset roller devices afterwards(41), anti-offset roller devices(41)Include
It is arranged on main truss load bearing system(1)On anti-offset roller mounting bracket(42), anti-offset roller mounting bracket(42)It is upper to set
There are 2 pieces of horizontal mounting plates(43), 2 pieces of horizontal mounting plates(43)Between be connected with anti-offset rolling wheel installing shaft(44), anti-offset rolling
Take turns installation axle(44)On be provided with anti-offset roller(45), anti-offset roller(45)Prop up the side for having poured section.
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CN201710309402.3A CN106988230B (en) | 2017-05-04 | 2017-05-04 | Hanging basket structure used in reinforced concrete arch bridge construction process |
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CN201710309402.3A CN106988230B (en) | 2017-05-04 | 2017-05-04 | Hanging basket structure used in reinforced concrete arch bridge construction process |
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Cited By (4)
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CN108611990A (en) * | 2018-08-08 | 2018-10-02 | 贵州路桥集团有限公司 | A kind of Hanging Basket for box arch bridge cantilever pouring |
CN108867408A (en) * | 2018-07-19 | 2018-11-23 | 重庆交通大学 | A kind of cantilever pouring method of single box single chamber Arch Bridge Ribs |
CN110485311A (en) * | 2019-08-09 | 2019-11-22 | 中铁广州工程局集团有限公司 | A kind of double C shape hook movable hanging basket and construction method |
CN117604921A (en) * | 2024-01-23 | 2024-02-27 | 贵州省公路工程集团有限公司 | Cast-in-situ longitudinal moving bracket for middle box bottom plate of steel truss web rod-concrete combined arch bridge |
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CN108867408A (en) * | 2018-07-19 | 2018-11-23 | 重庆交通大学 | A kind of cantilever pouring method of single box single chamber Arch Bridge Ribs |
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CN117604921A (en) * | 2024-01-23 | 2024-02-27 | 贵州省公路工程集团有限公司 | Cast-in-situ longitudinal moving bracket for middle box bottom plate of steel truss web rod-concrete combined arch bridge |
CN117604921B (en) * | 2024-01-23 | 2024-03-29 | 贵州省公路工程集团有限公司 | Cast-in-situ longitudinal moving bracket for middle box bottom plate of steel truss web rod-concrete combined arch bridge |
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