CN107338733A - A kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue - Google Patents
A kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue Download PDFInfo
- Publication number
- CN107338733A CN107338733A CN201710687263.8A CN201710687263A CN107338733A CN 107338733 A CN107338733 A CN 107338733A CN 201710687263 A CN201710687263 A CN 201710687263A CN 107338733 A CN107338733 A CN 107338733A
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- China
- Prior art keywords
- hanger
- suspender
- arch rib
- steel box
- box arch
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue, including adjustable suspender belt mechanism, suspender mechanism and hanger mechanism, the adjustable suspender belt mechanism includes suspender belt and the shackle of adjustable length, the lower end of suspender belt is connected with shackle, and is connected by shackle with hanger mechanism；It is arranged with 1 ~ 5 group of jack above the hanger mechanism in parallel, every group of jack includes spaced 1 ~ 10 jack, each jack is connected with steel strand wires, the lower end of steel strand wires is passed below hanger mechanism, and be connected with suspender mechanism, the lower end of the suspender mechanism is provided with rotating shaft and is connected with steel box arch rib hanger.And steel box arch rib aerial statue adjustment can be carried out by adjusting the hoisting depth of jack and the anglec of rotation of rotating shaft.Overall control can be carried out to the hoisting depth and horizontal tilt angle of steel box arch rib by the present invention, then independently adjusted by single suspension centre to realize the control at vertical direction angle of inclination.
Description
Technical field
The present invention relates to bridge construction field, particularly a kind of lifting for adjusting and positioning for steel box arch rib aerial statue
Device and hanging method.
Background technology
At present, during large span basket type steel case arch bridge steel box arch rib installation, because steel box arch rib is by temperature
Degree change and the influence of various device fabrication errors, it is required to before each section installation of steel box arch rib using necessary, effective measures
It is accurate to be located, and adjusts its aerial statue, ensures that the parameter such as arch and steel box arch rib circumferential weld deviation meets related specifications.
Large span basket type steel case arch bridge steel box arch rib is directed to, it is particularly difficult to ensure that its aerial statue is accurately positioned.
The patent of invention " Extroversive posture adjusting method for steel box arch rib section " of Patent No. 200810148104.1, it is open
Following technical scheme：Turned over using on carrier, two groups of shoulder pole girders, four-point liftings lift scheme.Arch in steel box arch rib section
The back of the body sets two suspension centres, and endosternum sets two suspension centres, by adjusting on suspension centre the length of suspender belt and suspension bracket in front and rear shoulder pole girder
On position, the rib-lifting section after lifting is reached into bridge posture, off normal of the control suspension bracket on front and rear shoulder pole girder center line is controlled
The stress of main rope and hoisting rope processed.This method effectively solve steel case arch spatial attitude adjustment and pose adjustment during it is inclined
Load problem, the safe and reliable progress of hoisting process is ensure that, still, because two suspension centres separately lift by crane, be unfavorable for steel box arch rib
Overall hoisting depth is uniformly controlled.
The content of the invention
, can the invention discloses a kind of hanging apparatus and hanging method for adjusting and positioning for steel box arch rib aerial statue
Overall control is carried out with the hoisting depth to steel box arch rib and horizontal tilt angle, then independently adjusted by single suspension centre to realize
The control at vertical direction angle of inclination.
To achieve the above object, the technical scheme is that：
A kind of hanging apparatus for adjusting and positioning for steel box arch rib aerial statue, including adjustable suspender belt mechanism, suspender mechanism
And hanger mechanism, the adjustable suspender belt mechanism includes the suspender belt of adjustable length and shackle, the lower end of suspender belt are connected with shackle,
And it is connected by shackle with hanger mechanism；It is arranged with 1 ~ 5 group of jack above the hanger mechanism in parallel, every group of jack includes
Spaced 1 ~ 10 jack, each jack are connected with steel strand wires, and the lower end of steel strand wires is passed below hanger mechanism,
And be connected with suspender mechanism, the lower end of the suspender mechanism is provided with rotating shaft and is connected with steel box arch rib hanger.
Further, the suspender mechanism includes two pieces of boatswain chairs, and pad is fixedly connected between the medial surface of two pieces of boatswain chairs
Plate and lower bolster, are fixed with anchorage below upper padding plate, and the center of upper padding plate and anchorage has steel strand wires to pass through, and is connected below lower bolster
There are two pieces of otic placodes, otic placode is provided centrally with through hole, and the rotating shaft of rotation connection is provided with the through hole of otic placode, and the rotating shaft passes through steel
Case arch rib hanger and it is connected with steel box arch rib hanger.
Further, the lateral surface of two pieces of boatswain chairs is symmetrically arranged with lower suspender hanger；It is provided with above the hanger mechanism
The jack supporting seat being connected with very heavy top bottom surface, the both sides of jack supporting seat opening position corresponding with lower suspender hanger
Suspender hanger is provided with, chain block is provided between upper suspender hanger and lower suspender hanger.
Preferably, the front and back both sides of the otic placode are also respectively provided with lower securing plate, the lower securing plate it is upper
Face is also fixedly connected with the first stiffener, the lower bolster with being connected below lower bolster between the lower securing plate and otic placode
Above the second stiffener of triangle is also associated between boatswain chair.
Preferably, two pieces of upper securing plates be arrangeding in parallel, upper securing plate both sides difference are also associated with above the upper padding plate
It is connected with boatswain chair medial surface, connecting plate is also fixedly connected between upper securing plate；Also connect between boatswain chair below the upper padding plate
It is connected to the 3rd stiffener of triangle.
Further, the suspender belt includes upper suspender belt, lower suspender belt and adjusting rod, and the adjusting rod includes sleeve, upper screw rod
With lower screw rod, the sleeve interior surface is provided with internal thread, the upper screw rod and lower screw rod the upper and lower part spiral shell with sleeve respectively
Line is connected, and the lower end of the upper suspender belt is connected with upper screw rod upper end, and the upper end of the lower suspender belt is connected with lower screw rod lower end.
Further, hydraulic power unit is additionally provided with above the hanger mechanism, the master control control system passes through wireless parties
Formula is connected with hydraulic power unit and jack, and the fuel feeding and jack lift stroke of hydraulic power unit are controlled by master control control system.
Further, the suspender belt upper end is provided with upper lift ring and is used to be articulated in hanging device suspension hook, under the suspender belt
End is provided with lower lift ring and is detachably connected with shackle.
Further, both sides set a suspension bracket hanger respectively below the hanger mechanism, and the suspension bracket hanger is relative to be hung
The axis of frame mechanism is symmetrical set, and the suspension bracket hanger is detachably connected with shackle.
Using the hanging apparatus for being used for steel box arch rib aerial statue and adjusting and positioning of above structure, first hung in hanging device
Suspender belt is installed, welding is hung oneself in hanger mechanism jack installed above and hydraulic power unit, then in jack supporting seat both sides on hook
Have hanger, the suspender hanger under the lateral surface welding of two pieces of boatswain chairs, chain block hook is hung into supreme suspender hanger with respectively
In suspender hanger, chain block guide chain length is adjusted according to steel strand wires design length respectively；Then hanging device lift hanger is used
Vacantly anchorage is installed below in pause lifting, upper padding plate afterwards for mechanism to suspender mechanism, and steel strand wires are installed between jack and anchorage, and steel twists
Chain block is unloaded after line installation；Steel box arch rib hanger can be connected with steel box arch rib section after installation
Come, and steel box arch rib aerial statue adjustment is carried out by adjusting the hoisting depth of jack.
The invention provides the method that above-described hanging apparatus is lifted, comprise the following steps：
S1. suspender belt is installed on hanging device suspension hook；
S2. in hanger mechanism jack installed above and hydraulic power unit；
S3. mounting hanger mechanism and chain block：The suspender hanger in the welding of jack supporting seat both sides, in the outer of two pieces of boatswain chairs
The lower suspender hanger of side welding, chain block hook is hung in supreme suspender hanger and lower suspender hanger respectively, according to steel strand wires
Design length adjusts chain block guide chain length respectively；
S4. steel strand wires are installed on jack and suspender：Vacantly pause carries afterwards for hanging device lift hanger mechanism to suspender mechanism
Rise, upper padding plate is installed below anchorage, steel strand wires are installed between jack and anchorage, unload chain block after steel strand wires installation
Under；
S5. steel box arch rib hanger is connected with steel box arch rib section；
S6. steel box arch rib aerial statue adjustment is carried out by adjusting the hoisting depth of jack；
S7., steel box arch rib is installed, it is rear to remove suspender mechanism and the connection of steel box arch rib section.
The present invention has advantages below：
（1）Overall control can be carried out to the hoisting depth and horizontal tilt angle of steel box arch rib, amount of high-altitude operation is greatly reduced,
The efficiency of construction of work high above the ground dough figurine person is improved, substantially reduces the construction period.
（2）, can be with by single suspension centre independent control, including the rotation of the hoisting depth of jack and the rotating shaft of suspender mechanism
Carry out the adjustment at vertical direction angle of inclination；The angle of steel box arch rib can be entered by the rotation of rotating shaft and steel box arch rib hanger
Row is more accurate to finely tune, and reduces heavy caused by aerial attitude accuracy deficiency when device fabrication error, installation during tradition lifting
Polyphony full employment amount, being quickly accurately positioned during steel box arch rib installation is ensure that, improves efficiency of construction.
（3）By above-mentioned adjustment control, steel box arch rib quality control on construction is set to be improved significantly；
（4）Supporting lifting machine usage time is greatly decreased, improves lifting machine service efficiency.
（5）Present invention is particularly suitable for the wide aerial statue adjustment and positioning for uprising introversion steel box arch rib, construction can be made
Quality, speed obtain effective guarantee, and the error in work progress is significantly reduced.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the mplifying structure schematic diagram that suspender mechanism is connected with jack；
Fig. 3 is the dimensional structure diagram of suspender mechanism.
In figure, hanging device suspension hook 1, upper lift ring 2, suspender belt 3, adjusting rod 4, jack 5, hanger mechanism 6, steel strand wires 7, steel
Case arch rib hanger 8, steel box arch rib 9, suspender mechanism 10, suspension bracket hanger 11, shackle 12, upper suspender hanger 13, chain block 14, under
Suspender hanger 15, anchorage 16, boatswain chair 17, otic placode 18, connecting plate 19, upper securing plate 20, upper padding plate 21, the second stiffener 22, under
Backing plate 23, the first stiffener 24, lower securing plate 25, rotating shaft 26.
Embodiment
Below with reference to specific embodiment, the invention will be further described, but protection scope of the present invention be not limited to it is following
Embodiment.
A kind of hanging apparatus for adjusting and positioning for the aerial statue of steel box arch rib 9, as shown in figure 1, being hung including adjustable
Band mechanism, suspender mechanism 10 and hanger mechanism 6, wherein, adjustable suspender belt mechanism includes suspender belt 3 and the shackle of adjustable length
12, the lower end of suspender belt 3 is connected with shackle 12, and is connected by shackle 12 with hanger mechanism 6, by shackle can realize suspender belt 3 with
The quick connection of hanger mechanism 6 and dismounting；In the present embodiment, hanger mechanism 6 is arranged with 2 groups of jack 5 in parallel above, every group thousand
Jin top 5 includes spaced 2 jack 5, and each jack 5 is connected with steel strand wires 7, and the lower end of steel strand wires 7 passes suspension bracket
Below mechanism 6, and it is connected with suspender mechanism 10, the lower end of suspender mechanism 10 is provided with rotating shaft 26 and connected with steel box arch rib hanger 8
Connect, by the lifting of jack 5, can hoisting hanger mechanism 10, so as to lift steel box arch rib 9.
For the more accurate positioning of steel box arch rib 9 can be realized, a kind of knot of preferable suspender mechanism 10 is present embodiments provided
Structure, with reference to shown in Fig. 2 and Fig. 3, suspender mechanism 10 includes two pieces of boatswain chairs 17, is fixedly connected between the medial surface of two pieces of boatswain chairs 17
Upper padding plate 21 and lower bolster 23, upper padding plate 21 are fixed with anchorage 16 below, and the center of upper padding plate 21 and anchorage 16 has steel strand wires 7 to wear
Cross, can be very good to fix steel strand wires 7 by anchorage, ensure the stability of lifting and positioning, lower bolster 23 is connected with two below
Block otic placode 18, for otic placode 18 perpendicular to boatswain chair 17, otic placode 18 is provided centrally with through hole, is provided with the through hole of otic placode 18 by bearing
The rotating shaft 26 of rotation connection, rotating shaft 26 are connected through steel box arch rib hanger 8 and with steel box arch rib hanger 8, pass through turning for rotating shaft 26
The dynamic rotation for driving steel box arch rib hanger 8, and then drive steel box arch rib 9 to carry out angle adjustment.
For convenience of suspender mechanism 10 is installed below in hanger mechanism 6, the lateral surface of two pieces of boatswain chairs 17, which is symmetrically arranged with down, to be hung
Has hanger 15, hanger mechanism 6 is provided with the jack supporting seat being connected with the bottom surface of jack 5, the both sides of jack supporting seat above
Lower 15 corresponding opening position of suspender hanger is provided with upper suspender hanger 13, set between upper suspender hanger 13 and lower suspender hanger 15
Chain block 14 is equipped with, when mounting hanger mechanism 10, first chain block 14 is linked up with and hangs supreme suspender hanger 13 respectively with
In suspender hanger 15, the guide chain length of chain block 14, hanging device lift hanger machine are adjusted according to steel strand wires design length respectively
To suspender mechanism, vacantly anchorage is installed below in pause lifting, upper padding plate 21 to structure 6 afterwards, and steel strand wires 7 are installed between jack 5 and anchorage,
Chain block 14 is unloaded after the installation of steel strand wires 7.
To ensure the stability of suspender mechanism 10, corresponding strengthening mechanism, otic placode are provided with above and below in lower bolster 23
18 front and back both sides are also respectively provided with lower securing plate 25, with connecting below lower bolster 23 above lower securing plate 25
Connect, be also fixedly connected with the first stiffener 24 between lower securing plate 25 and otic placode 18, above lower bolster 23 between boatswain chair 17
It is also associated with the second stiffener 22 of triangle.Likewise, corresponding strengthening mechanism also is provided with above and below in upper padding plate 21,
Upper padding plate 21 is also associated with two pieces of upper securing plates 20 be arrangeding in parallel above, the upper both sides of securing plate 20 respectively with the medial surface of boatswain chair 17
Connect, connecting plate 19 is also fixedly connected between upper securing plate 20；The upper padding plate 21 is also associated between boatswain chair 17 below
3rd stiffener of triangle.
The present embodiment additionally provides a kind of structure of the convenient adjustment length of suspender belt 3, includes upper suspender belt, lower suspender belt in suspender belt 3
With adjusting rod 4, adjusting rod 4 includes sleeve, upper screw rod and lower screw rod, and sleeve interior surface is provided with internal thread, upper screw rod and lower screw rod
It is threadedly coupled respectively with the upper and lower part of sleeve, the lower end of upper suspender belt is connected with upper screw rod upper end, and the upper end of lower suspender belt is with
Screw rod lower end connects, and can change the length of suspender belt 3 by the spinning in and out of upper screw rod and lower screw rod.
For convenience of the lifting work of remote control jack 5, hanger mechanism 6 is additionally provided with hydraulic power unit, master control control above
System processed is wirelessly connected with hydraulic power unit and jack 5, and the fuel feeding of hydraulic power unit is controlled by master control control system
With the lift stroke of jack 5.
To ensure the convenience and balance of lifting, the upper end of suspender belt 3 is provided with upper lift ring 2 and hung for being articulated in hanging device
On hook 1, the lower end of suspender belt 3 is provided with lower lift ring and is detachably connected with shackle 12；Hanger mechanism 6 sets one to hang in both sides respectively below
Frame hanger 11, suspension bracket hanger 11 are symmetrical set with respect to the axis of hanger mechanism 6, and corresponding, suspender belt 3 is also equipped with 2, with
And every suspender belt 3 has a shackle 12 below, suspension bracket hanger 11 is detachably connected with shackle 12.
S1. suspender belt is installed on hanging device suspension hook 1：After suspender belt 3 and adjusting rod 4 are connected by shackle 12 respectively
Hang as on hanging device suspension hook 1 and suspension bracket hanger 11, make each suspension centre director degree identical by the adjustment of adjusting rod 4 and satisfaction designs
It is required that；
S2. in 6 jack installed above of hanger mechanism and hydraulic power unit：According between the vertical alignment design jack 5 of steel box arch rib 9
Away from the present embodiment jack 5 uses self-anchored type continuance lifting jack, continuous in the specified location of hanger mechanism 6 installation self-anchored type
Lifting jack, fixation is attached using flange type of attachment between self-anchored type continuance lifting jack and jack supporting seat,
Hydraulic power unit oil pump oil pipe and self-anchored type continuance lifting jack are installed into post debugging equipment；
S3. mounting hanger mechanism and chain block：The suspender hanger 13 in the welding of jack supporting seat both sides, in two pieces of boatswain chairs 17
The lower suspender hanger 15 of lateral surface welding, chain block 14 is linked up with and hangs supreme suspender hanger 13 and lower suspender hanger 15 respectively
In, the guide chain length of chain block 14 is adjusted according to the design length of steel strand wires 7 respectively；
S4. steel strand wires are installed on jack and suspender：Vacantly pause carries afterwards for hanging device lift hanger mechanism to suspender mechanism
Rise, upper padding plate is installed below anchorage, steel strand wires are installed between jack and anchorage, unload chain block after steel strand wires installation
Under；
S5. steel box arch rib hanger 8 is connected with steel box arch rib section：Steel box arch rib 9 is adjusted close to aerial using hanging device
Posture is simultaneously positioned over falsework, and suspender mechanism 10 and steel are carried out at hanging device lifting hanger mechanism 6 to steel box arch rib hanger 8
The welded and installed of case arch rib hanger 8；
S6. steel box arch rib aerial statue adjustment is carried out by adjusting the hoisting depth of jack：Adjusted using master control control system
7 vertical stress of steel strand wires at whole self-anchored type continuance lifting jack to all suspension centres, it is hanging that hanging device is promoted to steel box arch rib 9
Pause lifting afterwards, adjustment steel box arch rib section aerial statue to design requirement, hanging device lift steel box arch rib 9 to design and installation
Position carries out steel box arch rib 9 and installed；
S7., steel box arch rib 9 is installed, it is rear to remove suspender mechanism 10 and the connection of steel box arch rib section.
Claims (10)
1. a kind of hanging apparatus for adjusting and positioning for steel box arch rib aerial statue, including adjustable suspender belt mechanism, suspender machine
Structure and hanger mechanism, it is characterised in that：The adjustable suspender belt mechanism includes suspender belt and the shackle of adjustable length, under suspender belt
End is connected with shackle, and is connected by shackle with hanger mechanism；It is arranged with 1 ~ 5 group of jack above the hanger mechanism in parallel,
Every group of jack includes spaced 1 ~ 10 jack, and each jack is connected with steel strand wires, and the lower end of steel strand wires passes
Below hanger mechanism, and it is connected with suspender mechanism, the lower end of the suspender mechanism is provided with rotating shaft and connected with steel box arch rib hanger
Connect.
2. the hanging apparatus according to claim 1 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
The suspender mechanism includes two pieces of boatswain chairs, and upper padding plate and lower bolster are fixedly connected between the medial surface of two pieces of boatswain chairs, on
It is fixed with anchorage below backing plate, the center of upper padding plate and anchorage there are steel strand wires to pass through, and two pieces of otic placodes, ear are connected with below lower bolster
Plate is provided centrally with through hole, is provided with the rotating shaft of rotation connection in the through hole of otic placode, the rotating shaft through steel box arch rib hanger and
It is connected with steel box arch rib hanger.
3. the hanging apparatus according to claim 2 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
The lateral surface of two pieces of boatswain chairs is symmetrically arranged with lower suspender hanger；It is provided with above the hanger mechanism and is connected with very heavy top bottom surface
Jack supporting seat, the both sides of jack supporting seat opening position corresponding with lower suspender hanger is provided with upper suspender and hangs
Ear, chain block is provided between upper suspender hanger and lower suspender hanger.
4. the hanging apparatus according to claim 2 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
The front and back both sides of the otic placode are also respectively provided with lower securing plate, above the lower securing plate with lower bolster
Connect below, be also fixedly connected with the first stiffener between the lower securing plate and otic placode, above the lower bolster with boatswain chair
Between be also associated with the second stiffener of triangle.
5. the hanging apparatus according to claim 2 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
Be also associated with two pieces of upper securing plates be arrangeding in parallel above the upper padding plate, upper securing plate both sides respectively with boatswain chair medial surface
Connect, connecting plate is also fixedly connected between upper securing plate；Triangle is also associated between boatswain chair below the upper padding plate
3rd stiffener.
6. the hanging apparatus according to claim 1 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
The suspender belt includes upper suspender belt, lower suspender belt and adjusting rod, and the adjusting rod includes sleeve, upper screw rod and lower screw rod, described
Sleeve interior surface is provided with internal thread, and the upper screw rod and lower screw rod are threadedly coupled with the upper and lower part of sleeve respectively, it is described on
The lower end of suspender belt is connected with upper screw rod upper end, and the upper end of the lower suspender belt is connected with lower screw rod lower end.
7. the hanging apparatus according to claim 1 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
Hydraulic power unit and master control control system are additionally provided with above the hanger mechanism, the master control control system passes through wireless parties
Formula is connected with host computer, and host computer controls the fuel feeding and jack lift stroke of hydraulic power unit by master control control system.
8. the hanging apparatus according to claim 1 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
The suspender belt upper end is provided with upper lift ring and is used to be articulated in hanging device suspension hook, and the suspender belt lower end is provided with lower lift ring
It is detachably connected with shackle.
9. the hanging apparatus according to claim 8 for adjusting and positioning for steel box arch rib aerial statue, it is characterised in that：
Both sides set a suspension bracket hanger, axis of the suspension bracket hanger with respect to hanger mechanism respectively below the hanger mechanism
It is symmetrical set, the suspension bracket hanger is detachably connected with shackle.
10. the side that the hanging apparatus for adjusting and positioning for steel box arch rib aerial statue as claimed in claim 3 is controlled
Method, it is characterised in that comprise the following steps：
S1. suspender belt is installed on hanging device suspension hook；
S2. in hanger mechanism jack installed above and hydraulic power unit；
S3. mounting hanger mechanism and chain block：The suspender hanger in the welding of jack supporting seat both sides, in the outer of two pieces of boatswain chairs
The lower suspender hanger of side welding, chain block hook is hung in supreme suspender hanger and lower suspender hanger respectively, according to steel strand wires
Design length adjusts chain block guide chain length respectively；
S4. steel strand wires are installed on jack and suspender：Vacantly pause carries afterwards for hanging device lift hanger mechanism to suspender mechanism
Rise, upper padding plate is installed below anchorage, steel strand wires are installed between jack and anchorage, unload chain block after steel strand wires installation
Under；
S5. steel box arch rib hanger is connected with steel box arch rib section；
S6. steel box arch rib aerial statue adjustment is carried out by adjusting the hoisting depth of jack；
S7., steel box arch rib is installed, it is rear to remove suspender mechanism and the connection of steel box arch rib section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710687263.8A CN107338733B (en) | 2017-08-11 | 2017-08-11 | Hoisting device and hoisting method for adjusting and positioning overhead posture of steel box arch rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710687263.8A CN107338733B (en) | 2017-08-11 | 2017-08-11 | Hoisting device and hoisting method for adjusting and positioning overhead posture of steel box arch rib |
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| Publication Number | Publication Date |
|---|---|
| CN107338733A true CN107338733A (en) | 2017-11-10 |
| CN107338733B CN107338733B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710687263.8A Active CN107338733B (en) | 2017-08-11 | 2017-08-11 | Hoisting device and hoisting method for adjusting and positioning overhead posture of steel box arch rib |
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| CN113832864A (en) * | 2021-10-26 | 2021-12-24 | 重庆城建控股(集团)有限责任公司 | Lifting closure construction method for arch rib of steel box arch bridge |
| CN114346632A (en) * | 2022-01-10 | 2022-04-15 | 新余钢铁股份有限公司 | Method for installing and resetting swing arm of continuous casting ladle turret |
| CN114575251A (en) * | 2021-12-24 | 2022-06-03 | 安徽省公路桥梁工程有限公司 | Large-span steel truss arch bridge construction system and construction method |
| CN116005557A (en) * | 2022-12-05 | 2023-04-25 | 中铁上海工程局集团第一工程有限公司 | Method for mounting large-span flying swallow type basket steel box arch bridge space special-shaped arch rib structure |
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| CN113832864A (en) * | 2021-10-26 | 2021-12-24 | 重庆城建控股(集团)有限责任公司 | Lifting closure construction method for arch rib of steel box arch bridge |
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