CN110205934A - One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam - Google Patents
One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam Download PDFInfo
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- CN110205934A CN110205934A CN201910359442.8A CN201910359442A CN110205934A CN 110205934 A CN110205934 A CN 110205934A CN 201910359442 A CN201910359442 A CN 201910359442A CN 110205934 A CN110205934 A CN 110205934A
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- screw rod
- chuck
- gantry crane
- rail
- silk
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000007373 indentation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses one kind to set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, including gantry crane rail basis, gantry crane, the suspender for hoisting beam, support system, rail, slides silk top.The present invention can quickly and effectively adjust beam sections positioning by way of " gantry crane+suspender " combines, and can quickly be fallen frame by sliding silk top；Sliding silk top, rail, support system collectively constitute sliding system, and beam body can be completed by interim tensioning in the movement of track；Rotatable movable head setting, may make the application to adapt to the gradient of different beams by rotation；Jacking system is collectively constituted by screw rod, screw rod pullover, snap-gauge, and the absolute altitude of beam can be controlled by adjusting the length that screw rod be emerged above screw rod pullover；By the above special construction on sliding silk top, can save the time consumed by wet seam construction, external prestressing tensioning, it is smaller to device dependence, multiple work surfaces can be opened up simultaneously.
Description
Technical field
The invention belongs to precast segmental beam mounting technology fields, and in particular to one kind is used for precast segmental beam Support Method joggle beam
Mobile assembled is set a roof beam in place system.
Background technique
It include Bridge Erector in place, bale handle, splicing, interim tensioning, the construction of wet seam, external prestressing using girder erection by bridging machine
Tensioning, via hole；Construction period is generally 6-7 days, and such construction technology is larger to device dependence, is encountering the severe day such as sleet
Gas, wet joint strength can not reach execution conditions temporally to influence the duration, carry on construction work at night more dangerous.So need using
It sets a roof beam in place to Support Method, but the existing assembled system of setting a roof beam in place set a roof beam in place for Support Method is not mature enough, so that efficiency is lower.
During Support Method joggle beam, since beam body is divided into several segments, man-hour requirement is applied by several section assemblings
At an entirety, this process need to smear splicing glue then between beam body there are a 30cm preset slot need at this time beam sections into
One small-scale sliding of row, beam body aligning accuracy requires excessively high when splicing, is needed after the completion of beam body aligns at this time to absolute altitude
It is finely adjusted, carries out falling frame after the completion of the spliced prestressed tensioning of beam body, the prior art not can solve such ask
Topic.
We has developed a kind of for the mobile assembled frame of precast segmental beam Support Method joggle beam in order to solve problem above
Girder system system.
Summary of the invention
The object of the invention is that provide a kind of for precast segmental beam Support Method joggle beam to solve the above-mentioned problems
Mobile assembled is set a roof beam in place system.
The present invention through the following technical solutions to achieve the above objectives:
One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, comprising:
Gantry crane rail basis；Gantry crane rail basis pours on bridge pier two sides ground and is made, every gantry crane rail base
A gantry crane rail is respectively mounted on plinth；
Gantry crane；Gantry crane is moveably mounted on gantry crane rail；
Suspender for hoisting beam；Suspender is moveably mounted on gantry crane；
Support system；Support system is mounted on bridge pier two sides；
Rail；A plurality of rail is mounted at the top of support system；
Slide silk top；Beam is placed on multiple sliding silk tops, and each sliding silk top correspondence is slided on a rail.
Specifically, sliding silk top includes:
Silk head；The lower end of silk head is provided with spherical groove；
Chuck；
Screw rod；Be formed as the spherical structure of evagination at the top of screw rod, spherical structure is nested into spherical groove and is formed as
One rotatable movable head；It is formed with chuck notch in the spherical structure lower part of screw rod, chuck is sleeved on chuck notch, card
The upper end of disk is fixedly connected with the bottom of silk head, and the size of chuck is for preventing movable head from disengaging；Below chuck notch
The adjustment hole for adjusting screw rod level height is formed on screw rod；Outer silk is provided on screw rod outer wall below adjustment hole
Mouthful；
Multiple snap-gauges；
Screw rod pullover；
More channel steels；More channel steels are parallel to each other and equal horizontal layout, and multiple snap-gauges are fixedly mounted between more channel steels
And for fixing screw rod bushing head, screw rod pullover is vertically installed, and the inner wall of screw rod pullover is provided with internal sealing plug, and screw rod bushing headgear is mounted in
On the external sealing plug of screw rod；
Multiple groups angle steel；Every group of angle steel includes two, and two angle steel form a sliding slot, and the upper end of a rail is mounted on two
In the sliding slot that a angle steel is formed.
Preferably, chuck includes the first subcard disk and the second subcard disk, the shape phase of the first subcard disk and the second subcard disk
Together, the first subcard disk and the second subcard disk are provided with semicircular indentations in side, and the first subcard disk is provided with semicircular indentations
Side and the second subcard disk the side docking for being provided with semicircular indentations, and chuck notch is trapped among centre, the first subcard
Disk and the second subcard armor at the radius of circular hole be less than the radius of spherical structure and the radius of spherical groove.
Preferably, snap-gauge is that two sub- snap-gauges are composed, and the side of each subcard plate is provided with semicircular indentations, two
A sub- snap-gauge is provided with the side docking of semicircular indentations, and by screw rod bushing head circumference in centre.
The beneficial effects of the present invention are:
One kind of the invention is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam；
1, beam sections positioning can be quickly and effectively adjusted by way of " gantry crane+suspender " combines, by sliding silk top
Frame can quickly be fallen；.
2, sliding silk top, rail, support system collectively constitute sliding system, and beam body can be completed by interim tensioning in track
Movement；Rotatable movable head setting, may make the application to adapt to the gradient of different beams by rotation；Pass through screw rod, screw rod
Pullover, snap-gauge collectively constitute jacking system, and the absolute altitude of beam can be controlled by adjusting the length that screw rod be emerged above screw rod pullover
System；By the above special construction on sliding silk top, can save the time consumed by wet seam construction, external prestressing tensioning, it is right
Device dependence is smaller, can open up multiple work surfaces simultaneously.
Detailed description of the invention
Fig. 1 is bracket assembly cross-sectional view；
Fig. 2 is bracket assembly skiagraph；
Fig. 3 is bracket assembly plan view；
Fig. 4 is the attachment structure schematic diagram of support system and sliding silk top in the application；
Fig. 5 is the structural schematic diagram that silk top is slid in the application；
Fig. 6 is the top view that silk top is slid in the application；
Fig. 7 is the structural schematic diagram of screw rod in the application；
Fig. 8 is the structural schematic diagram of silk head in the application；
Fig. 9 is the structural schematic diagram of snap-gauge in the application；
Figure 10 is the structural schematic diagram of chuck in the application；A is main view, and b is top view；
Figure 11 is the structural schematic diagram of screw rod pullover in the application.
In figure: 1. sliding silk tops；11. head；12. chuck；121. the first subcard disk；122. the second subcard disk；13. thread
Bar；131. spherical structure；132. chuck notch；133. adjustment hole；134. external sealing plug；14. snap-gauge；141. semicircular indentations；15.
Screw rod pullover；151. internal sealing plug；16. channel steel；17. angle steel；2. beam；21. suspender；3. support system；31. bracing members are basic；4.
Gantry crane；41. gantry crane rail is basic；5. rail.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment 1, as shown in Figs 1-4；
One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, comprising:
Gantry crane rail basis 41；Gantry crane rail basis 41 pours on bridge pier two sides ground and is made, every gantry hanger rail
A gantry crane rail (not shown) is respectively mounted on road basis 41；
Gantry crane 4；Gantry crane 4 is moveably mounted on gantry crane rail；
Suspender 21 for hoisting beam 2；Suspender 21 is moveably mounted on gantry crane 4；
Support system 3；Support system 3 is mounted on bridge pier two sides；
Rail 5；A plurality of rail 5 is mounted on 3 top of support system；
Slide silk top 1；Beam 2 is placed on multiple sliding silk tops 1, and each sliding silk top 1 is corresponding sliding on a rail 5
It is dynamic.
Gantry crane 4 is 1.2 times that specified elevating capacity is greater than most heavy segment, and installing speed changer at movable motor can be more preferable
Control gantry crane 4 walk rate with reach segment exactitude position purpose；
Suspender 21 is a kind of transverse and longitudinal gradient of adjustable beam 2 and can rotate ± 180 ° in the horizontal direction.
Gantry crane rail, rail 5 select 43 rails.
Embodiment 2, as shown in Figure 11-Figure 5；
The present embodiment the difference from embodiment 1 is that: sliding silk top 1 include:
Silk head 11；The lower end of silk head 11 is provided with spherical groove, and beam 2 is placed on the top of silk head 11；
Chuck 12；
Screw rod 13；The top of screw rod 13 is formed as the spherical structure 131 of evagination, and spherical structure 131 is nested into spherical groove
In and be formed as a rotatable movable head；Chuck notch 132, chuck are formed in 131 lower part of spherical structure of screw rod 13
12 are sleeved on chuck notch 132, and the upper end of chuck 12 is fixedly connected with the bottom of silk head 11, and the size of chuck 12 is for preventing
Only movable head disengages；The adjustment hole for adjusting 13 level height of screw rod is formed on screw rod 13 below chuck notch 132
133；External sealing plug 134 is provided on 13 outer wall of screw rod below adjustment hole 133；
Multiple snap-gauges 14；
Screw rod pullover 15；
More channel steels 16；More channel steels 16 are parallel to each other and equal horizontal layout, and multiple snap-gauges 14 are fixedly mounted on more slots
Between steel 16 and for fixing screw rod bushing head 15, screw rod pullover 15 is vertically installed, and the inner wall of screw rod pullover 15 is provided with internal sealing plug
151, screw rod pullover 15 is sleeved on the external sealing plug 134 of screw rod 13；
Multiple groups angle steel 17；Every group of angle steel 17 includes two, and two angle steel 17 form a sliding slot, the upper end of a rail 5
It is mounted in a sliding slot of two angle steel 17 formation.
It is 1 11,1 chuck 12,4 of silk head of screw rod pullover 15,1 of screw rod 13,1 that the application, which preferably slides silk top 1,
16,4, the channel steel angle steel 17 of a sub- snap-gauge 14,2 composition, wherein angle steel 17 is vertically arranged with channel steel 16；
Screw rod 13 is steel product；
13 sleeve of screw rod is steel product；
Silk head 11 is the movable head that can be finely adjusted；
Chuck 12 is the steel product that silk head 11 limits；
Snap-gauge 14 is the steel product limited for 13 sleeve of screw rod；
Angle steel 17 is the sliding rail for sliding silk top 1；
Channel steel 16 is the pedestal for sliding silk top 1；
Sliding silk top 1, rail 5, support system 3 collectively constitute sliding system, and it is in-orbit can to complete 2 body of beam by interim tensioning
The movement in road；Interim tensioning can allow channel steel 16 and the opposite sliding of rail 5, angle steel 17 to play position-limiting action.
Rotatable movable head setting, may make the application to adapt to the gradient of different beams 2 by rotation；Because rotatable
The unique texture of movable head, so that when needing to adapt to the gradient of different beams 2, top shape of the meeting of silk head 11 relative to screw rod 13
At spherical structure 131 rotate；It is formed with gap between the matched suit of chuck 12 and chuck notch 132, silk head 11
There are gaps between inner side and the inner side of screw rod 13；
Jacking system is collectively constituted by screw rod 13, screw rod pullover 15, snap-gauge 14, the absolute altitude of beam 2 can be by adjusting screw rod
13 length for emerging 15 top of screw rod pullover are controlled；When needing to adjust, usually adjusting rod is inserted before putting beam 2
Enter adjustment hole 133, then remove and turn screw rod 13, remembers to obtain the purpose for screwing on screw rod 13, screwing off.
It is more convenient, accurate that the application can be such that the absolute altitude of 2 body of beam adjusts；De- frame speed is fast, can move energy in orbit
The impact load faster generated when adjusting position and the interim tensioning of weakening；
For the application when installing to one section of beam 2, general support system 3 uses 24 bracing members bases 31, corresponding
Ground is laid with 8 rail, 5,48 sliding silk tops 1 in support system 3, pours 2 gantry crane rail bases in 3 two sides of support system
Plinth 41 is laid with gantry crane rail above, after gantry crane 4 is moved to designated position on gantry crane rail, will be saved by suspender 21
It is placed on above 4 silk tops after section pose adjustment is good and by segment, silk top is adjusted, 2 body of beam is supported steadily in place, and is right
First segment is locked, and applies interim prestressing force with fining twisted steel after the completion of 2 splicing of beam sections, two neighboring segment,
Loose segment carries out exactitude position by sliding rail 5 below silk top to realize that beam sections 2 are assembled.
Embodiment 3, as shown in Figure 10；
The present embodiment the difference from example 2 is that: chuck 12 includes the first subcard disk 121 and the second subcard disk 122, the
One subcard disk 121 is identical with the shape of the second subcard disk 122, and the first subcard disk 121 and the second subcard disk 122 are arranged in side
There are semicircular indentations 141, the first subcard disk 121 is provided with the side of semicircular indentations 141 and being provided with for the second subcard disk 122
The side of semicircular indentations 141 is docked, and chuck notch 132 is trapped among centre, the first subcard disk 121 and the second subcard disk 122
The radius of the circular hole surrounded is less than the radius of spherical structure 131 and the radius of spherical groove.
Embodiment 4, as shown in Figure 9；
The present embodiment the difference from example 2 is that: snap-gauge 14 be two sub- snap-gauges 14 be composed, each subcard plate 14
Side be provided with semicircular indentations 141, two sub- snap-gauges 14 are provided with the side docking of semicircular indentations 141, and by silk
Rod set head 15 is trapped among centre.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle
It is fixed.
Claims (4)
1. one kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam characterized by comprising
Gantry crane rail basis；Gantry crane rail basis pours on bridge pier two sides ground and is made, on the basis of every gantry crane rail
It is respectively mounted a gantry crane rail；
Gantry crane；Gantry crane is moveably mounted on gantry crane rail；
Suspender for hoisting beam；Suspender is moveably mounted on gantry crane；
Support system；Support system is mounted on bridge pier two sides；
Rail；A plurality of rail is mounted at the top of support system；
Slide silk top；Beam is placed on multiple sliding silk tops, and each sliding silk top correspondence is slided on a rail.
2. it is according to claim 1 it is a kind of set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, it is special
Sign is that sliding silk top includes:
Silk head；The lower end of silk head is provided with spherical groove；
Chuck；
Screw rod；Be formed as the spherical structure of evagination at the top of screw rod, spherical structure is nested into spherical groove and is formed as one
Rotatable movable head；It is formed with chuck notch in the spherical structure lower part of screw rod, chuck is sleeved on chuck notch, chuck
Upper end is fixedly connected with the bottom of silk head, and the size of chuck is for preventing movable head from disengaging；Screw rod below chuck notch
On be formed with adjustment hole for adjusting screw rod level height；External sealing plug is provided on screw rod outer wall below adjustment hole；
Multiple snap-gauges；
Screw rod pullover；
More channel steels；More channel steels are parallel to each other and equal horizontal layout, and multiple snap-gauges are fixedly mounted between more channel steels and use
In fixed screw rod bushing head, screw rod pullover is vertically installed, and the inner wall of screw rod pullover is provided with internal sealing plug, and screw rod bushing headgear is mounted in screw rod
External sealing plug on；
Multiple groups angle steel；Every group of angle steel includes two, and two angle steel form a sliding slot, and the upper end of a rail is mounted on two angles
In the sliding slot that steel is formed.
3. it is according to claim 2 it is a kind of set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, it is special
Sign is: chuck includes the first subcard disk and the second subcard disk, and the shape of the first subcard disk and the second subcard disk is identical, the first son
Chuck and the second subcard disk are provided with semicircular indentations in side, and the first subcard disk is provided with the side and of semicircular indentations
The side docking for being provided with semicircular indentations of two subcard disks, and chuck notch is trapped among centre, the first subcard disk and the second son
The radius for the circular hole that chuck surrounds is less than the radius of spherical structure and the radius of spherical groove.
4. it is according to claim 2 it is a kind of set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam, it is special
Sign is: snap-gauge is that two sub- snap-gauges are composed, and the side of each subcard plate is provided with semicircular indentations, two sub- snap-gauges
It is provided with the side docking of semicircular indentations, and by screw rod bushing head circumference in centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359442.8A CN110205934A (en) | 2019-04-30 | 2019-04-30 | One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359442.8A CN110205934A (en) | 2019-04-30 | 2019-04-30 | One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam |
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| Publication Number | Publication Date |
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| CN110205934A true CN110205934A (en) | 2019-09-06 |
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| CN201910359442.8A Pending CN110205934A (en) | 2019-04-30 | 2019-04-30 | One kind is set a roof beam in place system for the mobile assembled of precast segmental beam Support Method joggle beam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472284A (en) * | 2020-04-30 | 2020-07-31 | 中建七局安装工程有限公司 | Assembling method for cantilever of prefabricated segmental beam portal crane of urban viaduct |
| CN111576183A (en) * | 2020-04-16 | 2020-08-25 | 中铁三局集团华东建设有限公司 | Construction method for longitudinally moving and erecting box girder |
| CN112900280A (en) * | 2021-02-02 | 2021-06-04 | 中铁四局集团第三建设有限公司 | Bridge prefabricated bent cap installation in-place construction method and construction structure |
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| CN112900280A (en) * | 2021-02-02 | 2021-06-04 | 中铁四局集团第三建设有限公司 | Bridge prefabricated bent cap installation in-place construction method and construction structure |
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