CN205741947U - Anti whip device for bridge system transform - Google Patents
Anti whip device for bridge system transform Download PDFInfo
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- CN205741947U CN205741947U CN201521136362.XU CN201521136362U CN205741947U CN 205741947 U CN205741947 U CN 205741947U CN 201521136362 U CN201521136362 U CN 201521136362U CN 205741947 U CN205741947 U CN 205741947U
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- beam body
- cantilever beams
- bridge
- anchor pole
- anti whip
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Abstract
This utility model provides a kind of anti whip device for bridge system transform, including the Cantilever Beams being arranged at bridge beam body upper surface, rear anchor device, intermediate strutting device and front end anti whip device it is disposed with on Cantilever Beams, after wherein, anchor device and intermediate strutting device are fixed in the principal piece of bridge beam body, front end anti whip device is fixed in the dismounting beam section of bridge beam body, front end anti whip device includes the jack being arranged at Cantilever Beams upper surface, and described jack is connected by oil pipe oil pump.The spacing being smaller than between rear anchor device and intermediate strutting device between intermediate strutting device and front end anti whip device.This utility model is prevented effectively from the beam body that may cause of cutting and impacts suddenly.
Description
Technical field
This utility model belongs to science of bridge building, in particular to a kind of for bridge system transform
Anti whip device.
Background technology
Along with the fast development of economic society, increasing bridge need to implement cutting disassembling.
In the releasing of closure section, beam body segmentation cutting-off process, it is constantly occurring system transform.
In transformation process, on beam body cross section, shearing is continually changing, as control measure are improper, and Ke Nengyin
Play beam body to impact suddenly, cause excessive rocking and safety problem.Therefore, bridge structure is cut
When cutting dismounting, it is extremely important that bridge system transform anti whip device is set, there is no at present and have no
Relevant special anti whip device.
Utility model content
The purpose of this utility model is aiming at the defect of prior art, it is provided that a kind of for bridge
The anti whip device of beam system transform, is prevented effectively from the beam body that may cause of cutting and rushes suddenly
Hit.
This utility model provides a kind of anti whip device for bridge system transform, including
Be arranged at the Cantilever Beams of bridge beam body upper surface, Cantilever Beams is disposed with rear anchor device,
Intermediate strutting device and front end anti whip device, wherein rear anchor device and intermediate strutting device are solid
In the principal piece of bridge beam body, front end anti whip device is fixed on the dismounting beam of bridge beam body
Duan Shang, front end anti whip device includes the jack being arranged at Cantilever Beams upper surface, described thousand
Jin top is connected by oil pipe oil pump.Between intermediate strutting device and front end anti whip device
It is smaller than the spacing between rear anchor device and intermediate strutting device.
Described rear anchor device includes the first anchor pole and the first cushion block, and the first anchor pole sequentially passes through outstanding
Outrigger and bridge beam body, the two ends up and down of the first anchor pole are provided with the first bolt and difference is tight
Being fixed in Cantilever Beams upper surface and bridge beam body lower surface, the first cushion block is arranged at Cantilever Beams and bridge
It is in close contact between beam beam body and with both.
Described intermediate strutting device includes the second anchor pole and the second cushion block, and the second anchor pole is worn successively
Crossing Cantilever Beams and bridge beam body, the two ends up and down of the second anchor pole are provided with the second bolt and divide
Not being anchored on Cantilever Beams upper surface and bridge beam body lower surface, the second cushion block is arranged at Cantilever Beams
And between bridge beam body and with both be in close contact.
Described front end anti whip device also includes that the 3rd anchor pole and the 3rd cushion block, the 3rd anchor pole depend on
Secondary through jack, Cantilever Beams and bridge beam body, the two ends up and down of the 3rd anchor pole are provided with
3rd bolt and be fastened respectively to jack upper surface and bridge beam body lower surface, the 3rd cushion block
It is arranged between Cantilever Beams and bridge beam body and is in close contact with both.
Described between the first bolt and the Cantilever Beams of the first anchor pole upper end, it is provided with first
Upper padding plate, is provided with first between the first bolt and the bridge beam body of the first anchor pole lower end
Lower bolster.
Described between the second bolt and the Cantilever Beams of the second anchor pole upper end, it is provided with second
Upper padding plate, is provided with second between the second bolt and the bridge beam body of the second anchor pole lower end
Lower bolster.
It is provided with the 3rd upper padding plate between described jack bottom surface and Cantilever Beams upper surface, is positioned at
It is provided with the 3rd lower bolster between 3rd bolt and the bridge beam body of the 3rd anchor pole lower end.
Described Cantilever Beams includes upper junction plate and the lower connecting plate be arrangeding in parallel, upper junction plate and
Connected by I-steel between lower connecting plate.
Described Cantilever Beams is truss.
This utility model, before bridge cutting process, makes cut length beam body by stretch-draw jack
Shearing is answered in middle formation in advance, by pretension suspension rod, promotes lifting point, is progressively turned by Shear force within the beam end
Turn to the pulling force of suspension rod；In cutting process, shear stress major part has been converted into the pulling force of suspension rod,
Remaining uneven shearing is undertaken by jack；After having cut, slowly discharge jack
Oil pressure, beam section progressively discharges, reach uneven shearing before and after cutting section by Artificial Control,
The purpose of controlled conversion.This utility model can prevent beam body occur unexpected uneven subsidence and
Impact, it is ensured that lifting facility and the safety of girder construction.It is applicable to bridge closure section interrupt,
Segmentation cutting such as transfers at the bridging toughening engineering, and install light, simple in construction, risk are little,
Component can have enough to meet the need use.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model partial schematic diagram a；
Fig. 3 is this utility model partial schematic diagram b；
Fig. 4 is that this utility model uses schematic diagram；
Wherein, 1-Cantilever Beams, 11-upper junction plate, 12-I-steel, 13-lower connecting plate, 2-
Rear anchor device, 21-the first bolt, 22-the first anchor pole, 23-the first upper padding plate, 24-first time
Backing plate, 25-the first cushion block, 3-intermediate strutting device, 31-the second bolt, 32-the second anchor pole,
33-the second upper padding plate, 34-the second lower bolster, 35-the second cushion block, 4-front end anti whip device,
41-the 3rd bolt, 42-the 3rd upper padding plate, 43-the 3rd anchor pole, 44-the 3rd cushion block, 45-
Three lower bolsters, 5-jack, 6-removes beam section, 7-principal piece, 8-suspension rod, 9-facet, 10-
Oil pump, 14-oil pipe, 15-bridge main body.
Detailed description of the invention
With specific embodiment, this utility model is made the most below in conjunction with the accompanying drawings
Bright, it is simple to be well understood to this utility model, but they do not constitute restriction to this utility model.
As it can be seen, a kind of anti whip device for bridge system transform of this utility model,
Including being arranged at the Cantilever Beams 1 of bridge beam body 15 upper surface, Cantilever Beams 1 is disposed with
Rear anchor device 2, intermediate strutting device 3 and front end anti whip device 4, wherein rear anchor device 2
It is fixed in the principal piece 7 of bridge beam body with intermediate strutting device 3, front end anti whip device 4
It is fixed in the dismounting beam section 6 of bridge beam body.Remove the bridge between beam section 6 and principal piece 7
Beam body cross section is facet 9.Front end anti whip device 4 includes being arranged on Cantilever Beams 1
The jack 5 on surface, described jack 5 is connected by oil pipe 14 oil pump 10.Very heavy
Top 5 meets bearing capacity and is not less than maximum shear requirement, and stroke meets design requirement.At bridge
Before cutting process, stretch-draw jack 5 makes to be formed in cut length beam body to answer shearing in advance, by advance
Tight suspension rod 8, lifting lifting point, be progressively converted into drawing of suspension rod 8 by removing beam section 6 shearing
Power；In cutting process, shear stress major part has been converted into the pulling force of suspension rod 8, remaining not
Uniformly shearing is undertaken by jack 5；After having cut, slowly discharge the oil pressure of jack 5,
Remove beam section 6 progressively to discharge, reach uneven shearing before and after cutting section by Artificial Control,
The purpose of controlled conversion.
Described rear anchor device 2, intermediate strutting device 3 and front end anti whip device 4 three's phase
Cooperatively form a lever-type structure mutually.Intermediate strutting device 3 and front end anti whip device 4
Between the spacing being smaller than between rear anchor device 2 and intermediate strutting device 3.Remove beam
Connecting in section 6 and have suspension rod 8, when suspension rod 8 pull strength is excessive, rear anchor device 2 can conduct
Fulcrum, intermediate strutting device 3 and front end anti whip device 4, as two stress points, pass through
Remove beam section 6 and principal piece 7 gravity and suspension rod 8 pull strength interacts and ensures bridge beam body
Whole machine balancing；When suspension rod 8 pull strength is too small, intermediate strutting device 3 can as fulcrum,
Rear anchor device 2 and front end anti whip device 4 are as two stress points, by removing beam section 6
Interact with principal piece 7 gravity and suspension rod 8 pull strength and ensure the whole machine balancing of bridge beam body.
Described rear anchor device 2 includes the first anchor pole 22 and the first cushion block 25, the first anchor pole 22
Sequentially passing through Cantilever Beams 1 and bridge beam body, the two ends up and down of the first anchor pole 22 are provided with
First bolt 21 and be fastened respectively to Cantilever Beams 1 upper surface and bridge beam body lower surface, uses
In realizing fixing between the first cushion block 25, Cantilever Beams 1 and bridge beam body three.First pad
Block 25 is arranged between Cantilever Beams 1 and bridge beam body and is in close contact with both, it is ensured that two
Person's force dispersion is uniform.Described the first bolt 21 being positioned at the first anchor pole 22 upper end and encorbelmenting
It is provided with the first upper padding plate 23 between beam 1, is positioned at the first bolt of the first anchor pole 22 lower end
It is provided with the first lower bolster 24 between 21 and bridge beam body, meets further to install and stablize.
Described intermediate strutting device 3 includes the second anchor pole 32 and the second cushion block 35, the second anchor
Bar 32 sequentially passes through Cantilever Beams 1 and bridge beam body, and the two ends up and down of the second anchor pole 32 are all provided with
It is equipped with the second bolt 31 and is fastened respectively to Cantilever Beams 1 upper surface and bridge beam body lower surface,
For realizing fixing between the second cushion block 35, Cantilever Beams 1 and bridge beam body three, second
Cushion block 35 is arranged between Cantilever Beams 1 and bridge beam body and is in close contact with both, it is ensured that
Both force dispersions are uniform.Described the second bolt 31 of the second anchor pole 32 upper end that is positioned at is with outstanding
It is provided with the second upper padding plate 33 between outrigger 1, is positioned at the second spiral shell of the second anchor pole 32 lower end
It is provided with the second lower bolster 34 between bolt 31 and bridge beam body, meets further to install and stablize.
Described front end anti whip device 4 also includes the 3rd anchor pole 43 and the 3rd cushion block 44, the
Three anchor poles 43 sequentially pass through jack 5, Cantilever Beams 1 and bridge beam body, the 3rd anchor pole 43
Two ends up and down be provided with the 3rd bolt 41 and be fastened respectively to jack 5 upper surface and
Bridge beam body lower surface, is used for realizing jack the 5, the 3rd cushion block 44, Cantilever Beams 1 and bridge
Fixing between beam beam body.3rd cushion block 44 is arranged at Cantilever Beams 1 and bridge beam body
Between and with both be in close contact, it is ensured that both force dispersions are uniform.Described jack 5 end
It is provided with the 3rd upper padding plate 42 between face and Cantilever Beams 1 upper surface, is positioned at the 3rd anchor pole 43
It is provided with the 3rd lower bolster 45, further between 3rd bolt 41 and the bridge beam body of lower end
Meet to install and stablize.
Described Cantilever Beams 1 includes upper junction plate 11 and the lower connecting plate 13 be arrangeding in parallel, on
Connected by I-steel 12 or shaped steel between connecting plate 11 and lower connecting plate 13.Described
Cantilever Beams 1 is truss.
During use, on bridge floor, first mark the anchor point position before and after facet 9, along bridge
Face center line symmetry perforation, levelling, arrange 2 anti whip devices at bridge beam body roof symmetric,
After wherein, anchor device 2 and intermediate strutting device 3 are positioned in principal piece 7, front end anti whip device
4 are positioned in dismounting beam section 6, and punching jack 5 is on the 3rd upper padding plate 42 and by top
3rd bolt 41 anchors.Anchor device 2 and intermediate strutting device 3 after installation；Installation bridge floor rises
Device for hoisting, arranges Heave Here in removing in beam section 6.Front end anti whip device 4 is installed, logical
Cross oil pipe 14 and connect jack 5 and oil pump 10.Pretension suspension rod 8, by design load
60%～90% stretch-draw jack 5, and make oil cylinder promote no less than 3cm.Installation beam section lifts
Facility, is symmetrical arranged lifting point, promotes beam section lifting point.Progressively symmetrical cutting section, by
Jack 5 undertakes unbalanced shearing.Slowly discharge jack 5 oil pressure after completing, remove beam
Section 6 progressively discharges, it is achieved the uneven shearing before and after cutting section is by Artificial Control, controlled
Conversion.Removing device, turnover uses.
The content that this specification is not described in detail belongs to known in professional and technical personnel in the field
Prior art.
Claims (10)
- null1. the anti whip device for bridge system transform，It is characterized in that: include being arranged at the Cantilever Beams (1) of bridge beam body upper surface，Rear anchor device (2) it is disposed with on Cantilever Beams (1)、Intermediate strutting device (3) and front end anti whip device (4)，After wherein, anchor device (2) and intermediate strutting device (3) are fixed in the principal piece (7) of bridge beam body，Front end anti whip device (4) is fixed in the dismounting beam section (6) of bridge beam body，Front end anti whip device (4) includes the jack (5) being arranged at Cantilever Beams (1) upper surface，Front end anti whip device (4) also includes the 3rd anchor pole (43) and the 3rd cushion block (44)，3rd anchor pole (43) sequentially passes through jack (5)、Cantilever Beams (1) and bridge beam body，The two ends up and down of the 3rd anchor pole (43) are provided with the 3rd bolt (41)，3rd cushion block (44) is arranged between Cantilever Beams (1) and bridge beam body and is in close contact with both.
- Anti whip device for bridge system transform the most according to claim 1, it is characterised in that the spacing being smaller than between rear anchor device (2) and intermediate strutting device (3) between intermediate strutting device (3) and front end anti whip device (4).
- Anti whip device for bridge system transform the most according to claim 1, it is characterized in that rear anchor device (2) includes the first anchor pole (22) and the first cushion block (25), first anchor pole (22) sequentially passes through Cantilever Beams (1) and bridge beam body, the two ends up and down of the first anchor pole (22) are provided with the first bolt (21), and the first cushion block (25) is arranged between Cantilever Beams (1) and bridge beam body and is in close contact with both.
- Anti whip device for bridge system transform the most according to claim 1, it is characterized in that intermediate strutting device (3) includes the second anchor pole (32) and the second cushion block (35), second anchor pole (32) sequentially passes through Cantilever Beams (1) and bridge beam body, the two ends up and down of the second anchor pole (32) are provided with the second bolt (31), and the second cushion block (35) is arranged between Cantilever Beams (1) and bridge beam body and is in close contact with both.
- Anti whip device for bridge system transform the most according to claim 1, it is characterised in that described jack (5) is connected by oil pipe (14) oil pump (10).
- Anti whip device for bridge system transform the most according to claim 3, it is characterized in that being positioned at and be provided with the first upper padding plate (23) between first bolt (21) of the first anchor pole (22) upper end and Cantilever Beams (1), be positioned between the first bolt (21) and the bridge beam body of the first anchor pole (22) lower end and be provided with the first lower bolster (24).
- Anti whip device for bridge system transform the most according to claim 4, it is characterized in that being positioned at and be provided with the second upper padding plate (33) between second bolt (31) of the second anchor pole (32) upper end and Cantilever Beams (1), be positioned between the second bolt (31) and the bridge beam body of the second anchor pole (32) lower end and be provided with the second lower bolster (34).
- Anti whip device for bridge system transform the most according to claim 4, it is characterized in that being provided with between jack (5) bottom surface and Cantilever Beams (1) upper surface the 3rd upper padding plate (42), be positioned between the 3rd bolt (41) and the bridge beam body of the 3rd anchor pole (43) lower end and be provided with the 3rd lower bolster (45).
- Anti whip device for bridge system transform the most according to claim 1, it is characterized in that upper junction plate (11) and lower connecting plate (13) that described Cantilever Beams (1) includes be arrangeding in parallel, connected by I-steel (12) or shaped steel between upper junction plate (11) and lower connecting plate (13).
- Anti whip device for bridge system transform the most according to claim 1, it is characterised in that described Cantilever Beams (1) is truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136362.XU CN205741947U (en) | 2015-12-31 | 2015-12-31 | Anti whip device for bridge system transform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521136362.XU CN205741947U (en) | 2015-12-31 | 2015-12-31 | Anti whip device for bridge system transform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205741947U true CN205741947U (en) | 2016-11-30 |
Family
ID=57388431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521136362.XU Active CN205741947U (en) | 2015-12-31 | 2015-12-31 | Anti whip device for bridge system transform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205741947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502057A (en) * | 2020-12-11 | 2021-03-16 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for dismantling prestressed concrete continuous beam |
| CN114775466A (en) * | 2022-05-27 | 2022-07-22 | 中交二航局第二工程有限公司 | Continuous beam bridge up-line type dismantling device and method |
| CN114837106A (en) * | 2022-05-27 | 2022-08-02 | 中交二航局第二工程有限公司 | Continuous beam bridge descending type dismantling device and method |
-
2015
- 2015-12-31 CN CN201521136362.XU patent/CN205741947U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112502057A (en) * | 2020-12-11 | 2021-03-16 | 中铁大桥局武汉桥梁特种技术有限公司 | Method for dismantling prestressed concrete continuous beam |
| CN114775466A (en) * | 2022-05-27 | 2022-07-22 | 中交二航局第二工程有限公司 | Continuous beam bridge up-line type dismantling device and method |
| CN114837106A (en) * | 2022-05-27 | 2022-08-02 | 中交二航局第二工程有限公司 | Continuous beam bridge descending type dismantling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 2101-2104, 21 / F, unit a, block a, Hubei science and technology venture building, Xiaohongshan East District, Wuchang District, Wuhan City, Hubei Province, 430061 Patentee after: CCCC Road & Bridge Special Engineering Co.,Ltd. Address before: 430071, 20th Floor, Dongsha Building, No. 122 Wuchang Zhongbei Road, Wuhan City, Hubei Province Patentee before: CCCC ROAD & BRIDGE SPECIAL ENGINEERING Co.,Ltd. |