CN208055893U - A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection - Google Patents
A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection Download PDFInfo
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- CN208055893U CN208055893U CN201820358706.9U CN201820358706U CN208055893U CN 208055893 U CN208055893 U CN 208055893U CN 201820358706 U CN201820358706 U CN 201820358706U CN 208055893 U CN208055893 U CN 208055893U
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Abstract
The utility model is disclosed that a kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection；The lower end of screw rod is integrally attached to bent cap top surface by anchor slab, pressing plate, bolt after improvement；Tensioning spike is located in steel truss top surface of the beam by anchor plate, and adaptive corner anchor plate is located on anchor plate, and adaptive corner anchor plate and adaptive corner anchor cover board correspond to, and are positioned by stiffnut A；Tensioning spike upper end is jack, and screw tip is stiffnut B.It mainly solves the problems, such as the adaptive antidumping in the process of steel truss girder super large free cantilever erection, increases safety stock coefficient, escort for safe construction, while the measure expense of the type construction can be effectively reduced.
Description
Technical field
The utility model is related to continuous steel girder related fields, are especially a kind of adaptive trigger-type of super large free cantilever erection
The safety convenience instrument of antidumping.
Background technology
In actual work progress, antidumping is one of solution factor important in cantilever construction；It is conventional to use structure
The technical measures such as type weight concrete, interim ballast, temporary rest pier and rear anchor solve antidumping, and structural type weight concrete faces
When the technical measures such as ballast and temporary rest pier construction costs it is high, construction site is limited etc., and anchor technical measures do not adapt to after routine
Passive corner rubbing variation, installation line style are limited when cantilever is installed or line style adjusts.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of adaptive trigger-type of super large free cantilever erection herein
The safety convenience instrument of antidumping；It mainly solves the problems, such as the adaptive antidumping in the process of steel truss girder super large free cantilever erection, increases peace
Full reserve factor, escorts for safe construction, while can effectively reduce the measure expense of the type construction.
The utility model is realized in this way constructing a kind of safety guarantor of the adaptive trigger-type antidumping of super large free cantilever erection
Fault device, it is characterised in that：Including screw rod, anchor slab, pressing plate, bolt, anchor plate, adaptive corner anchor plate, adaptive corner
Anchor cover board, stiffnut A, tensioning spike, jack, stiffnut B；The lower end of screw rod is integrally solid by anchor slab, pressing plate, bolt
It is scheduled on bent cap top surface；Tensioning spike is located in steel truss top surface of the beam by anchor plate, and adaptive corner anchor plate is located on anchor plate,
Adaptive corner anchor plate and adaptive corner anchor cover board correspond to, and are positioned by stiffnut A；Tensioning spike upper end is very heavy
Top, screw tip are stiffnut B.
According to a kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model,
It is characterized in that：Bolt is M12 bolts；Anchor plate is Q235 anchor plates；Jack is 300t jack.
According to a kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model,
It is characterized in that：There are multiple M12 bolts hole A, adjacent two are in 72 ° of angles, pressure between M12 bolts hole A and center on pressing plate
Multiple steel strand wires holes are also reserved on plate, spacing is 33mm between two neighboring steel strand wires hole；Multiple and pressing plate is provided on anchor slab
The corresponding M12 bolts hole B of upper M12 bolts hole A.
According to a kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model,
It is characterized in that：Steel strand wires hole aperture is φ 17.3mm.
The utility model has the following advantages that：This patent can effectively be applicable in super large free cantilever erection construction technology, construction technology
Simply, fast, measure cost is greatly reduced, while can adaptive trigger-type increase antidumping safety stock coefficient.This patent energy
It enough solves the problems, such as the adaptive antidumping in the process of steel truss girder super large free cantilever erection, increases safety stock coefficient, protected for safe construction
Convoy is driven, while the measure expense of the type construction can be effectively reduced.
Description of the drawings
Fig. 1 is the utility model whole implementation schematic diagram；
Fig. 2 is adaptive corner anchor cover plate schematic diagram in the utility model；
Fig. 3 be in Fig. 2 C to cut-away view；
Fig. 4 is the utility model center platen schematic diagram；
Fig. 5 is anchor slab schematic diagram in the utility model；
Fig. 6 is A-A cut-away views in Fig. 5；
Fig. 7 is adaptive corner anchor plate schematic diagram in the utility model；
Fig. 8 is B-B cut-away views in Fig. 7.
Wherein：Screw rod 1, anchor slab 2, pressing plate 3, bolt 4（M12 bolts）, anchor plate 5（Q235 anchor plates δ=30mm）, it is adaptive
Answer corner anchor plate 6, adaptive corner anchor cover board 7, stiffnut A8, tensioning spike 9, jack 10（300t jack）Plus
Strong nut B11, M12 bolt hole B21, M12 bolt hole A31, steel strand wires hole 32.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 8, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of labour, shall fall within the protection scope of the present invention.
The utility model provides a kind of safety guarantor of the adaptive trigger-type antidumping of super large free cantilever erection herein by improving
Fault device can be practiced as follows as Figure 1-Figure 8；Including screw rod 1, anchor slab 2, pressing plate 3, bolt 4, anchor
Backing plate 5, adaptive corner anchor cover board 7, stiffnut A8, tensioning spike 9, jack 10, is reinforced adaptive corner anchor plate 6
Nut B11；The lower end of screw rod 1 is integrally attached to bent cap top surface by anchor slab 2, pressing plate 3, bolt 4；Tensioning spike 9 passes through anchor pad
Plate 5 is located in steel truss top surface of the beam, and adaptive corner anchor plate 6 is located on anchor plate 5, adaptive corner anchor plate 6 and adaptive
Corner anchor cover board 7 corresponds to, and is positioned by stiffnut A8；9 upper end of tensioning spike is jack 10, and 1 top of screw rod is reinforcement spiral shell
Cap B11.
A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model, bolt 4
For M12 bolts；Anchor plate 5 is Q235 anchor plates；Jack 10 is 300t jack.
A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model, pressing plate 3
Upper to have multiple M12 bolts hole A31, adjacent two are in 72 ° of angles between M12 bolts hole A31 and center, are gone back on pressing plate 3 pre-
There are multiple steel strand wires holes 32, spacing is 33mm between two neighboring steel strand wires hole 32；It is provided on anchor slab 2 on multiple and pressing plate 3
The corresponding M12 bolts hole B21 of M12 bolts hole A31.
A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection described in the utility model, steel strand wires
32 aperture of hole is φ 17.3mm.
Application example：This patent relies on three officials hall bridge and wiring（Jiangnan Lu Zhizhong official West Road）The main bridge of engineering, on main bridge
Portion's structure is three stride continuous steel truss girder, and span setting is 160+465+160=785m, is same type bridge using all welded construction
" the first in the world ", it is solution important in cantilever construction which, which uses super large free cantilever erection construction technology, the antidumping of this project,
One of factor.It is conventional to incline using the solution of the technical measures such as structural type weight concrete, interim ballast, temporary rest pier and rear anchor is anti-
It covers, the technical measures such as structural type weight concrete, interim ballast and temporary rest pier construction cost is high, and construction site is limited etc., often
It is limited not adapt to passive corner rubbing variation, installation line style when cantilever installation or line style adjustment for anchor technical measures after rule.Using
This patent application solves the problems, such as adaptive antidumping during steel truss girder super large free cantilever erection, increases safety stock coefficient, for peace
Full construction escorts, while can effectively reduce the measure expense of the type construction.
The process that operates with of this patent is illustrated below：
This patent primary structure steel strand wires, connection conversion anchor, adaptive corner work anchor and high-strength bolt.Operating process：
1. pre-buried steel strand wires are to works；
2. installation connection conversion anchor device；
3. installing high-strength bolt；
4. installing adaptive corner work anchor；
5. 10% starting force of pre- tensioning eliminates steel strand wires drift；
6. free cantilever erection is constructed, when meeting emergency case etc., anchor-hold after rear end adaptively increases prevents antidumping.
This patent advantageous effect is：This patent can effectively be applicable in super large free cantilever erection construction technology, construction technology is simple,
Fast, measure cost is greatly reduced, while can adaptive trigger-type increase antidumping safety stock coefficient.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (4)
1. a kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection, it is characterised in that：Including screw rod
（1）, anchor slab（2）, pressing plate（3）, bolt（4）, anchor plate（5）, adaptive corner anchor plate（6）, adaptive corner anchor cover board
（7）, stiffnut A（8）, tensioning spike（9）, jack（10）, stiffnut B（11）；Screw rod（1）Lower end pass through anchor slab
（2）, pressing plate（3）, bolt（4）It is integrally attached to bent cap top surface；Tensioning spike（9）Pass through anchor plate（5）It is located in steel truss back
Face, adaptive corner anchor plate（6）Positioned at anchor plate（5）On, adaptive corner anchor plate（6）With adaptive corner anchor cover board
（7）It is corresponding, and by stiffnut A（8）Positioning；Tensioning spike（9）Upper end is jack（10）, screw rod（1）Top is to reinforce spiral shell
Cap B（11）.
2. the safety convenience instrument of the adaptive trigger-type antidumping of a kind of super large free cantilever erection according to claim 1, special
Sign is：Bolt（4）For M12 bolts；Anchor plate（5）For Q235 anchor plates；Jack（10）For 300t jack.
3. the safety convenience instrument of the adaptive trigger-type antidumping of a kind of super large free cantilever erection according to claim 1, special
Sign is：Pressing plate（3）It is upper that there are multiple M12 bolts hole A（31）, adjacent two M12 bolts hole A（31）It is in 72 between center
° angle, pressing plate（3）On be also reserved with multiple steel strand wires holes（32）, two neighboring steel strand wires hole（32）Between spacing be 33mm；Anchor
Plate（2）On be provided with multiple and pressing plate（3）Upper M12 bolts hole A（31）Corresponding M12 bolts hole B（21）.
4. the safety convenience instrument of the adaptive trigger-type antidumping of a kind of super large free cantilever erection according to claim 3, special
Sign is：Steel strand wires hole（32）Aperture is φ 17.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358706.9U CN208055893U (en) | 2018-03-16 | 2018-03-16 | A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358706.9U CN208055893U (en) | 2018-03-16 | 2018-03-16 | A kind of safety convenience instrument of the adaptive trigger-type antidumping of super large free cantilever erection |
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| CN208055893U true CN208055893U (en) | 2018-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188347A (en) * | 2023-08-08 | 2023-12-08 | 中国铁建港航局集团有限公司 | Through bridge dismounting method |
-
2018
- 2018-03-16 CN CN201820358706.9U patent/CN208055893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188347A (en) * | 2023-08-08 | 2023-12-08 | 中国铁建港航局集团有限公司 | Through bridge dismounting method |
| CN117188347B (en) * | 2023-08-08 | 2024-03-29 | 中国铁建港航局集团有限公司 | Through bridge dismounting method |
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