CN106758864B - A kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork - Google Patents
A kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork Download PDFInfo
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- CN106758864B CN106758864B CN201611145702.4A CN201611145702A CN106758864B CN 106758864 B CN106758864 B CN 106758864B CN 201611145702 A CN201611145702 A CN 201611145702A CN 106758864 B CN106758864 B CN 106758864B
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- nose girder
- girder
- shoulder pole
- column
- driving frame
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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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)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses the cantilever beam hoisting mechanisms used during nose girder via under a kind of mobile formwork, by setting walking dolly above cantilever beam orbit, and the bottom end of two interlocking lifting cylinders is arranged on driving frame, the top of oil cylinder is connected to shoulder pole soffit, the jacking system of composition can realize lower nose girder rise and fall displacement precision controlling and stress equalization control, and the column on the upside of shoulder pole girder and driving frame is formed into guide and limit mechanism by cotter way form, can realize the elevating safety control of lower nose girder；Lower nose girder is lifted using screw-thread steel sunpender, the rigidity of system can be increased, reduces the up-down vibration and circuit oscillation of lower nose girder；It is not departed from always using the anti-upper cover plate edge of a wing for grabbing lower nose girder of spreader beam, and spreader beam can slide back and forth to change hoisting point position on lower nose girder, solves and the safety of suspension centre and convenience needs of problems are frequently moved in lower nose girder via operating mode.
Description
Technical field
The present invention relates to make during nose girder via under construction of railways technical field of auxiliary equipment more particularly to a kind of mobile formwork
Cantilever beam hoisting mechanism.
Background technology
Mobile formwork is the construction equipment that hole-specifically cast-in-site is carried out to beams of concrete, including host and lower nose girder etc.
Part can once complete pouring for a bridge body concrete, and can be along the longitudinal movement of bridge axle line, mobile formwork host weight 400
Remaining ton, lower more than 50 ton of nose girder weight.
Lower nose girder via process is one of more crucial process of Construction Through Form on Traveler process, and common structure is mobile formwork
Moving trolley above cantilever beam is equipped with hoisting mechanism, and lower nose girder anchor point is lifted by crane using steel wire rope.But due to lower nose girder via
When its front leg strut be detached from bridge pier displacement distance（Lift by crane distance）It does not grow, rises and falls and be also easy to produce down according to steel wire rope hoisting mechanism
Nose girder up-down vibration and circuit oscillation, and the lifting anchor point of lower nose girder is changeable and need artificial assistance, and danger increases.Therefore it sets
A kind of Special hoisting mechanism that can be moved on a cantilever beam is counted out, is this field urgent problem.
Invention content
The technical problems to be solved by the invention are to provide the hoisting mechanism used during nose girder via under a kind of mobile formwork,
It not only realizes the function of auxiliary lower nose girder raising certain altitude, but also nose girder via under handling is realized under other structures assistance
Function, and there is automatic equalization stress in lower nose girder raising, via, reduce up-down vibration and circuit oscillation etc., from
And improve the safety of lower nose girder via.
In order to solve the above technical problems, the technical solution used in the present invention is：Under a kind of mobile formwork during nose girder via
The cantilever beam hoisting mechanism used, it is described flat including shoulder pole girder, sunpender, column, lifting cylinder, driving frame, wheel and spreader beam
Spreader beam is lateral box shape steel structure, is set at lateral center there are one the axis pin for running through crossbeam, is formed with the vertical chute of column
There is the position-limit mechanism for lifting guide and limit, the column is vertically arranged double-arm steel construction, and column lower end is installed
At the center of driving frame, the vertical chute is opened up per edge-on arm middle and upper part, the axis pin level in the middle part of shoulder pole girder is threaded through in column
In the vertical chute, the driving frame is H-shaped formed steel construction, and four wheels are symmetrically installed in its both sides, and the wheel is U-shaped tread
Steel wheel, U-shaped tread profile matches with the track on cantilever top surface of the beam, and the both ends of shoulder pole girder are respectively provided with installation and hang
The vertical through-hole of bar, the sunpender are a fining twisted steel, and the mating installation anchorage in fining twisted steel top and bottom lifts
Oil cylinder is mounted vertically between driving frame and shoulder pole girder.
The lifting cylinder sets two sets, and two sets of lifting cylinders are located at column both sides respectively, and lifting cylinder lower end passes through method
Blue disk is connected with driving frame, and lifting cylinder is connected by ring flange with shoulder pole soffit, and the spreader beam is π font shaped steel knots
Structure, upper part are a crossbeam, and both ends are equipped with the vertical perforation through crossbeam for installing sunpender, are provided in its underpart
Two symmetrical L-type handgrips, handgrip upside is provided with the lateral steel plate at certain angle of inclination, for the anti-wing for grabbing lower nose girder upper cover plate
Edge.
It is using advantageous effect caused by above-mentioned technical proposal：By setting two sets of interlocking liftings above driving frame
Oil cylinder, two sets of lifting cylinders are connected to the position of shoulder pole soffit both sides, and the jacking system of composition can realize that lower nose girder rises and falls
Precision controlling and the stress equalization control of displacement, and the guide and limit machine that shoulder pole girder is made up of with column cotter way form
Structure can realize the elevating safety control of lower nose girder；Steel wire rope is substituted using screw-thread steel sunpender, the firm of jacking system can be increased
Degree reduces up-down vibration and circuit oscillation；Always it is not detached from using the anti-upper cover plate edge of a wing for grabbing lower nose girder of spreader beam but with it, and
Change hoisting point position can be slid back and forth on lower nose girder, solve frequently moved in lower nose girder via the safety of suspension centre with just
Victory needs of problems.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the structure diagram of shoulder pole girder；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the structure diagram of driving frame；
Fig. 6 is the sectional view of Fig. 5；
Fig. 7 is the structure diagram of spreader beam；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the sectional view of wheel；
Wherein：1st, shoulder pole girder；2nd, sunpender；3rd, column；4th, lifting cylinder；5th, driving frame；6th, wheel；7th, spreader beam；8th, under
Nose girder.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As Figure 1-Figure 2, the invention discloses the cantilever beam hoisting machines used during nose girder via under a kind of mobile formwork
Structure, including shoulder pole girder 1（Referring to attached drawing 3-4）, sunpender 2, column 3, lifting cylinder 4, driving frame 5（Referring to attached drawing 5-6）, wheel 6
（Referring to attached drawing 9）, spreader beam 7（Referring to attached drawing 7-8）Parts are waited, which travels on the track of side on a cantilever beam, driving frame 5
For H-shaped formed steel construction, four vertex positions in its both sides install four wheels 6, steel wheel of the wheel 6 for U-shaped tread, U-shaped
Tread profile matches with the track on cantilever top surface of the beam, and column 3 is the steel construction of both arms U-shaped, in each armstand top
Vertical long through-hole is opened up at the heart as sliding slot, shoulder pole girder 1 is lateral box shape steel structure, and the U mouths for being placed on column 3 are intermediate, and
It is opened at 1 center of shoulder pole girder there are one cross-perforating, is connected using the vertical chute of axis pin, axle sleeve and spacing column and forms raising
Guide and limit mechanism, two lifting cylinders 4 are respectively arranged at 3 both sides of column, by ring flange respectively with shoulder pole girder 1, driving frame 5
Steel construction couple up and down, and two lifting cylinders 2 are interlocked using to realize lifting synchronous coordination.
The pin hole extended vertically through in crossbeam is equipped at 1 both ends of shoulder pole girder, for lower tying up bar 2, middle hanger 2 includes finish rolling
Spiral, anchorage top nut, anchorage lower nut and backing plate etc., using anchorage top nut and backing plate by spiral upper end
The upper position of 1 both ends of shoulder pole girder perforation is installed on, spiral lower end is installed on using anchorage lower nut and backing plate and is hung
Have the lower position of 7 both ends of beam perforation, steel wire rope is replaced as supporting member, while spiral both ends are adopted using spiral
Shoulder pole girder and spreader beam are connected respectively with anchorage nut, and connection is more firm, facilitates installation, while Hard link can overcome soft company
Connect the problem of unstable in use.
Spreader beam 7 is for lifting lower nose girder 8, and main body is π shape formed steel constructions, and upper part is a crossbeam, and both ends, which are equipped with, to be used
In the vertical perforation through crossbeam of installation sunpender 2, in 7 lower part of spreader beam, there are two the handgrip forms of symmetrical L-type for setting
Steel construction, for the anti-edge of a wing for grabbing lower 8 upper cover plate of nose girder, using component of the L-type handgrip as the lower nose girder of connection, when in use without
It need to be fixedly connected, facilitate lifting, improve operating efficiency.
During concrete application, the present invention is connected to by setting two interlocking lifting cylinders 4 above driving frame 5
The position of 1 bottom surface both sides of shoulder pole girder, the jacking system of composition can realize that lower nose girder 8 rises and falls the precision controlling and stress of displacement
Balance route, and the guide and limit mechanism that shoulder pole girder 1 is made up of with column 3 cotter way form can realize the liter of lower nose girder 8
Security control is dropped；Steel wire rope is substituted using sunpender 2, the rigidity of jacking system can be increased, reduces up-down vibration and circuit oscillation；
It is not detached from always with it using the anti-upper cover plate edge of a wing for grabbing lower nose girder 8 of spreader beam 7, and can slide back and forth and change on lower nose girder 8
Become hoisting point position, solve and the safety of suspension centre and convenience needs of problems are frequently moved in lower 8 via of nose girder.
Claims (2)
1. a kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork, it is characterised in that：Including shoulder pole girder（1）、
Sunpender（2）, column（3）, lifting cylinder（4）, driving frame（5）, wheel（6）And spreader beam（7）, the shoulder pole girder（1）For transverse direction
Box shape steel structure is set at lateral center there are one the axis pin for running through crossbeam, with column（3）The vertical chute form have lifting
The position-limit mechanism of guide and limit function, the column（3）For vertically arranged double-arm steel construction, column（3）Lower end is installed on
Driving frame（5）Center at, open up the vertical chute, shoulder pole girder per edge-on arm middle and upper part in column（1）The axis pin level at middle part is worn
It is located in the vertical chute, the driving frame（5）For H-shaped formed steel construction, four wheels are symmetrically installed in its both sides（6）, the vehicle
Wheel（6）For the steel wheel of U-shaped tread, U-shaped tread profile matches with the track on cantilever top surface of the beam, shoulder pole girder（1）Both ends
It is respectively provided with installation sunpender（2）Vertical through-hole, the sunpender（2）For a fining twisted steel, fining twisted steel upper end
With the mating installation anchorage in lower end, lifting cylinder is mounted vertically in driving frame（5）And shoulder pole girder（1）Between.
2. the cantilever beam hoisting mechanism used during nose girder via under a kind of mobile formwork according to claim 1, feature
It is：The lifting cylinder（4）Two sets of setting, two sets of lifting cylinders（4）It is located at column respectively（3）Both sides, lifting cylinder（4）Under
End passes through ring flange and driving frame（5）It is connected, lifting cylinder（4）Pass through ring flange and shoulder pole girder（1）Bottom surface is connected, the suspender
Beam（7 ）For π font formed steel constructions, upper part is a crossbeam, both ends be equipped with for install sunpender through the vertical of crossbeam
Perforation is set in its underpart there are two symmetrical L-type handgrip, and handgrip upside to be provided with the lateral steel plate at certain angle of inclination, be used for
The anti-edge of a wing for grabbing lower nose girder upper cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145702.4A CN106758864B (en) | 2016-12-13 | 2016-12-13 | A kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145702.4A CN106758864B (en) | 2016-12-13 | 2016-12-13 | A kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork |
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| Publication Number | Publication Date |
|---|---|
| CN106758864A CN106758864A (en) | 2017-05-31 |
| CN106758864B true CN106758864B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145702.4A Active CN106758864B (en) | 2016-12-13 | 2016-12-13 | A kind of cantilever beam hoisting mechanism used during nose girder via under mobile formwork |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914246A (en) * | 2019-03-05 | 2019-06-21 | 中交二航局第四工程有限公司 | A kind of construction method of the cast-in-place super across footpath continuous box girder of 55m mobile formwork |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10219627A (en) * | 1997-02-07 | 1998-08-18 | Kawada Kensetsu Kk | Pc girder erection device |
| CN201981485U (en) * | 2011-03-09 | 2011-09-21 | 武汉通联路桥机械技术有限公司 | Leg replacing mechanism for pier side bracket of bridge pier |
| KR101462202B1 (en) * | 2013-10-16 | 2014-12-24 | 주식회사 비엔지컨설턴트 | Form traveller for through bridge |
| CN205205675U (en) * | 2015-11-25 | 2016-05-04 | 中铁二十局集团有限公司 | Downgoing movable formwork bridge construction machine is demolishd with whole system of transferring |
| CN205348004U (en) * | 2016-01-27 | 2016-06-29 | 中铁十四局集团第一工程发展有限公司 | Moving die carrier |
| CN106049295A (en) * | 2016-05-26 | 2016-10-26 | 石家庄铁道大学 | Carrying mechanism used in movable formwork hole passing process |
-
2016
- 2016-12-13 CN CN201611145702.4A patent/CN106758864B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10219627A (en) * | 1997-02-07 | 1998-08-18 | Kawada Kensetsu Kk | Pc girder erection device |
| CN201981485U (en) * | 2011-03-09 | 2011-09-21 | 武汉通联路桥机械技术有限公司 | Leg replacing mechanism for pier side bracket of bridge pier |
| KR101462202B1 (en) * | 2013-10-16 | 2014-12-24 | 주식회사 비엔지컨설턴트 | Form traveller for through bridge |
| CN205205675U (en) * | 2015-11-25 | 2016-05-04 | 中铁二十局集团有限公司 | Downgoing movable formwork bridge construction machine is demolishd with whole system of transferring |
| CN205348004U (en) * | 2016-01-27 | 2016-06-29 | 中铁十四局集团第一工程发展有限公司 | Moving die carrier |
| CN106049295A (en) * | 2016-05-26 | 2016-10-26 | 石家庄铁道大学 | Carrying mechanism used in movable formwork hole passing process |
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| CN106758864A (en) | 2017-05-31 |
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