CN109083019A - A kind of lower guide fixed-point sling erecting bridge machine - Google Patents
A kind of lower guide fixed-point sling erecting bridge machine Download PDFInfo
- Publication number
- CN109083019A CN109083019A CN201811080561.1A CN201811080561A CN109083019A CN 109083019 A CN109083019 A CN 109083019A CN 201811080561 A CN201811080561 A CN 201811080561A CN 109083019 A CN109083019 A CN 109083019A
- Authority
- CN
- China
- Prior art keywords
- girder
- leg
- supporting leg
- nose girder
- oil cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of lower guide fixed-point sling erecting bridge machines, are related to Bridge Erector technical field.The present invention includes matching corresponding girder, nose girder, and the rear portion of girder is equipped with " C " type rear support leg, and the front of girder is equipped with a front leg strut, supporting leg in one is equipped on girder；The rear portion of nose girder is equipped with a nose girder rear support leg, and the front of nose girder is sequentially installed with rear roller supporting leg, middle idler wheel supporting leg, front wheel supporting leg；A diagonal brace oil cylinder is hinged between front leg strut and girder.The stress system that the present invention passes through optimization Bridge Erector, simplify complete machine structure, it is convenient to set up the first hole and two hole beam of most end, and convenient march coil holder beam and can become across setting a roof beam in place, while the machine using nose girder it is leading concede set a roof beam in place position by the way of, improve operating efficiency, erecting machine front end traveling wheel is placed at front leg strut crossbeam, and guide girder machine sprocket wheel is mounted on roller box front end, realize guide girder machine vertical shift hoofing part and erecting machine vertical shift hoofing part integration, structure type is simple.
Description
Technical field
The invention belongs to Bridge Erector technical fields, more particularly to a kind of lower guide fixed-point sling erecting bridge machine.
Background technique
The major function of Bridge Erector is to lift beam piece, is put down after being then transported to position.In highway, railroad track uplink
It sails, for whole mechanical across the bridge construction for setting up small bridge.Because its fuselage is huge, exceed railway transportation limit, must disintegrate and transport,
After reaching building site, then assemble use.The High-speed Passenger Dedicated Lines of China's construction realize that passenger traffic is rapid, and these special line institutes
The location of process is mostly holy hermits, with a varied topography, the connected section of bridge tunnel of many places occurs, discharges workload when using Bridge Erector
Greatly, inconvenient, therefore it provides a kind of lower guide fixed-point sling erecting bridge machine, reduces and discharges workload when Bridge Erector crosses hole,
Improve working efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of lower guide fixed-point sling erecting bridge machines, by the beaer for optimizing Bridge Erector
System simplifies complete machine structure, and erecting machine front end traveling wheel is placed at front leg strut crossbeam, and before guide girder machine sprocket wheel is mounted on roller box
Guide girder machine vertical shift hoofing part and erecting machine vertical shift hoofing part integration are realized in end, and structure type is simple, while the machine uses
The leading mode for conceding position of setting a roof beam in place of nose girder, improves operating efficiency.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of lower guide fixed-point sling erecting bridge machine, including matches corresponding girder, nose girder, the girder
On day car is installed, the rear end of the girder is equipped with a hoist engine, engine, and the rear portion of the girder is equipped with one
" C " type rear support leg, the front of the girder are equipped with a front leg strut, and supporting leg in one, the middle supporting leg are equipped on the girder
Between front leg strut, " C " type rear support leg；The nose girder is set to below girder, and the rear portion of the nose girder is equipped with a nose girder
Rear support leg, the front of the nose girder are sequentially installed with rear roller supporting leg, middle idler wheel supporting leg, front wheel supporting leg；The middle supporting leg with
An overturning oil cylinder is hinged between girder；A diagonal brace oil cylinder is hinged between the front leg strut and girder.
Further, described " C " the type rear support leg includes two groups of symmetrically arranged vertical legs, is passed through at the top of the vertical leg
Pin shaft is connected with bent leg, and bent leg, the horizontal segment of the upper bent leg has been bolted on one in the upper end of the lower bent leg
It is connected by revolution pin shaft with girder.
Further, the vertical leg uses box-structure, is equipped with one first oil cylinder in the box-structure；Described
The top of one oil cylinder is hinged by pin shaft and the free bearing on girder；The bottom of first oil cylinder is fixed on vertical leg lower end, institute
It states vertical leg bottom and one operating mechanism is connected with by flexural pivot.
Further, the middle supporting leg uses tube-in-tube structure, and the top of the middle supporting leg is connected by rotating dog with girder
Connect, a truss frame for connecting be installed between the middle supporting leg, the side of the middle supporting leg is vertically-mounted a lifting oil cylinder, it is described in
The bottom of supporting leg is equipped with a jacking cylinder, and the bottom of the jacking cylinder is equipped with the top foot for contacting with bridge floor.
Further, an oil cylinder is installed, the upper section top of the front leg strut is equipped with one in the upper section of the front leg strut
Group HILMAN roller bearing, the front leg strut are connected by HILMAN roller bearing or pin shaft with girder；It is equipped between the front leg strut
Lower beam, upper beam are hinged with one group of bearing diagonal, are installed on the lower beam by roller box between the lower beam, upper beam
There is one group of second idler wheel, the front end of the roller box is equipped with guide girder machine sprocket wheel；One second is equipped on the lower section of the front leg strut
Oil cylinder；The oil cylinder in upper section by transferring front leg strut, makes the rail contact on second idler wheel and nose girder.
Further, the top of the nose girder rear support leg is hinged with a connecting plate, and the connecting plate is fixed on nose girder, institute
It states nose girder rear support leg to connect by connecting plate with nose girder, a fold oil cylinder is connected between the nose girder rear support leg and connecting plate.
Further, the top of the rear roller supporting leg is equipped with one group of first idler wheel, and the rear roller supporting leg passes through the
One idler wheel is connected with nose girder.
Further, the top of the middle idler wheel supporting leg is equipped with one group of third idler wheel, and the rear roller supporting leg passes through the
Three idler wheels are connected with nose girder.
The invention has the following advantages:
The present invention simplifies complete machine structure by the stress system of optimization Bridge Erector, convenient to set up the first hole and most end two
Hole beam, and convenient march coil holder beam and can become across setting a roof beam in place, while the machine uses the leading side for conceding position of setting a roof beam in place of nose girder
Formula improves operating efficiency, and erecting machine front end traveling wheel is placed at front leg strut crossbeam, and guide girder machine sprocket wheel is mounted on roller box
Front end, realizes guide girder machine vertical shift hoofing part and erecting machine vertical shift hoofing part integration, and structure type is simple.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of the lower guide fixed-point sling erecting bridge machine of the present invention；
Fig. 2 is schematic cross-sectional view of the Fig. 1 along line A-A；
Fig. 3 is schematic cross-sectional view of the Fig. 1 along line B-B；
Fig. 4 is schematic cross-sectional view of the Fig. 1 along line C-C；
Fig. 5 is schematic cross-sectional view of the Fig. 1 along line D-D；
Fig. 6 is the structural schematic diagram that nose girder rear support leg turns down state in the present invention；
Fig. 7 is schematic cross-sectional view of the Fig. 1 along E-E line；
Fig. 8 is schematic cross-sectional view of the Fig. 1 along F-F line；
In attached drawing, parts list represented by the reference numerals are as follows:
1- girder, 2- overhead traveling crane, 3- hoist engine, 4- engine, 5- " C " type rear support leg, supporting leg in 6-, 7- nose girder rear support leg,
8- nose girder, 9- rear roller supporting leg, 10- front leg strut, idler wheel supporting leg in 11-, 12- front wheel supporting leg, 501- upper bent leg are bent under 502-
Leg, the first oil cylinder of 503-, 504- operating mechanism, 601- overturning oil cylinder, 602- truss frame for connecting, 603- rotating dog, 604- lifting oil
Cylinder, 605- jacking cylinder, 701- connecting plate, 702- turn down oil cylinder, the first idler wheel of 901-, 1001-HILMAN roller bearing, 1002- the
Second wheel, the second oil cylinder of 1003-, 1004- lower beam, 1005- upper beam, 1006- bearing diagonal, 1101- third idler wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " aperture ", "upper", "lower", " front ", "top", " in ",
Indicating positions or the positional relationship such as " rear portion ", "inner", " surrounding ", " symmetrical ", "horizontal", "vertical", " contact ", " bottom ", only
It is that for the convenience of describing the present invention and simplifying the description, rather than the component or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Refering to Figure 1, the present invention is a kind of lower guide fixed-point sling erecting bridge machine, including match corresponding girder
1, nose girder 8 are equipped with day car 2 on girder 1, and the rear end of girder 1 is equipped with a hoist engine 3, engine 4, the rear portion of girder 1
One " C " type rear support leg 5 is installed, the front of girder 1 is equipped with a front leg strut 10, supporting leg 6 in one, middle branch are equipped on girder 1
Leg 6 is located between front leg strut 10, " C " type rear support leg 5；Nose girder 8 is set to 1 lower section of girder, and the rear portion of nose girder 8 is equipped with a nose girder
Rear support leg 7, the front of nose girder 8 are sequentially installed with rear roller supporting leg 9, middle idler wheel supporting leg 11, front wheel supporting leg 12；Middle supporting leg 6 with
An overturning oil cylinder 601 is hinged between girder 1；It is hinged with a diagonal brace oil cylinder between front leg strut 10 and girder 1, between supporting leg mutually
Cooperation realizes that guide girder machine to direction vertical shift via hole of setting a roof beam in place, lifts by crane each supporting leg by guide girder machine top portal frame, is connected in bridge tunnel last
Across when, without assisting loop wheel machine that end can be completed across erection, and make abutment on guide girder machine, there is fixed point lifting, freely-supported via hole, raising
System ropes winding of single layer becomes across easy to operate, first and last across the distinguishing features such as easy are set up, and beam car, which is packed, when crossing tunnel leads
Beam once passes through with Bridge Erector, and it is few to discharge workload.
Wherein as shown in Fig. 2, " C " type rear support leg 5 includes two groups of symmetrically arranged vertical legs, pass through pin at the top of vertical leg
Axis connection has bent leg 502, and bent leg 501, the level of upper song leg 501 has been bolted on one in the upper end of lower song leg 502
Section is connected by turning round pin shaft with girder 1, and vertical leg uses box-structure, is equipped with one first oil cylinder 503 in box-structure；The
The top of one oil cylinder 503 is hinged by pin shaft and the free bearing on girder 1；The bottom of first oil cylinder 503 is fixed on vertical leg lower end,
Vertical leg bottom is connected with an operating mechanism 504 by flexural pivot, and " C " type rear support leg 5 only undertakes the weight bearing of Bridge Erector self weight half,
The position compressible 2.446m of height is designed according to box beam shape, is designed original.
Wherein as shown in figure 3, middle supporting leg 6 uses tube-in-tube structure, the top of middle supporting leg 6 passes through rotating dog 603 and 1 phase of girder
It connects, a truss frame for connecting 602 is installed between middle supporting leg 6, the side of middle supporting leg 6 is vertically-mounted a lifting oil cylinder 604, middle branch
The bottom of leg 6 is equipped with a jacking cylinder 605, and the bottom of jacking cylinder 605 is equipped with the top foot for contacting with bridge floor.
Wherein as shown in figure 4, being equipped with an oil cylinder in the upper section of front leg strut 10, the upper section top of front leg strut 10 is equipped with one
Group HILMAN roller bearing 1001, front leg strut 10 are connected by HILMAN roller bearing 1001 or pin shaft with girder 1, using oil cylinder support and
Pin connection form realizes system transform, conjugates in conjunction with 1001 vertical shift of HILMAN roller bearing, realizes that the transformation of erecting machine front leg strut 10 is set a roof beam in place
Position, structure type is simple, easy to operate；Lower beam 1004, upper beam 1005, lower beam are installed between front leg strut 10
1004, it is hinged with one group of bearing diagonal 1006 between upper beam 1005, one group of second rolling is equipped with by roller box on lower beam 1004
Wheel 1002, the front end of roller box is equipped with guide girder machine sprocket wheel；One second oil cylinder 1003 is installed on the lower section of front leg strut 10；Under
The oil cylinder in the upper section of front leg strut 10 is put, the second idler wheel 1002 and the rail contact on nose girder 8 are made, erecting machine front end traveling wheel is put
It sets at the lower beam 1004 of front leg strut 10, and guide girder machine sprocket wheel is mounted on roller box front end, realize that guide girder machine vertical shift walking is driven
The integration of dynamic and erecting machine vertical shift hoofing part, structure type are simple.
Wherein as shown in Figure 5,6, the top of nose girder rear support leg 7 is hinged with a connecting plate 701, and connecting plate 701, which is fixed on, leads
On beam 8, nose girder rear support leg 7 is connect by connecting plate 701 with nose girder 8, is connected with one between nose girder rear support leg 7 and connecting plate 701
Turn down oil cylinder 702.
Wherein as shown in fig. 7, the top of rear roller supporting leg 9 is equipped with one group of first idler wheel 901, rear roller supporting leg 9 passes through
First idler wheel 901 is connected with nose girder 8.
Wherein as shown in figure 8, the top of middle idler wheel supporting leg 11 is equipped with one group of third idler wheel 1101, rear roller supporting leg 9 is logical
Third idler wheel 1101 is crossed to be connected with nose girder 8.
The present invention simplifies complete machine structure by the stress system of optimization Bridge Erector, convenient to set up the first hole and most end two
Hole beam, and convenient march coil holder beam and can become across setting a roof beam in place, while the machine uses the leading side for conceding position of setting a roof beam in place of nose girder
Formula improves operating efficiency, and erecting machine front end traveling wheel is placed at front leg strut crossbeam, and guide girder machine sprocket wheel is mounted on roller box
Front end, realizes guide girder machine vertical shift hoofing part and erecting machine vertical shift hoofing part integration, and structure type is simple.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of lower guide fixed-point sling erecting bridge machine, including corresponding girder (1), nose girder (8) are matched, the girder (1)
On day car (2) are installed, it is characterised in that；
The rear end of the girder (1) is equipped with a hoist engine (3), engine (4), and the rear portion of the girder (1) is equipped with one
The front of " C " type rear support leg (5), the girder (1) is equipped with a front leg strut (10), is equipped in one and is propped up on the girder (1)
Leg (6), the middle supporting leg (6) are located between front leg strut (10), " C " type rear support leg (5)；
The nose girder (8) is set to below girder (1), and the rear portion of the nose girder (8) is equipped with a nose girder rear support leg (7), described
The front of nose girder (8) is sequentially installed with rear roller supporting leg (9), middle idler wheel supporting leg (11), front wheel supporting leg (12)；
An overturning oil cylinder (601) are hinged between the middle supporting leg (6) and girder (1)；
A diagonal brace oil cylinder is hinged between the front leg strut (10) and girder (1).
2. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, which is characterized in that propped up after " C " type
Leg (5) includes two groups of symmetrically arranged vertical legs, and the top of the vertical leg is connected with bent leg (502), institute by pin shaft
Bent leg (501) has been bolted on one in the upper end for stating lower bent leg (502), and the horizontal segment of the upper bent leg (501) passes through back
Axis of shipping and reselling on another market is connected with girder (1).
3. a kind of lower guide fixed-point sling erecting bridge machine according to claim 2, which is characterized in that the vertical leg uses
Box-structure is equipped with one first oil cylinder (503) in the box-structure；
The top of first oil cylinder (503) is hinged by pin shaft and the free bearing on girder (1)；First oil cylinder (503)
Bottom is fixed on vertical leg lower end, and the vertical leg bottom is connected with an operating mechanism (504) by flexural pivot.
4. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, which is characterized in that the middle supporting leg (6)
Using tube-in-tube structure, the top of the middle supporting leg (6) is connected by rotating dog (603) with girder (1), the middle supporting leg (6)
Between be equipped with a truss frame for connecting (602), the side of the middle supporting leg (6) is vertically-mounted a lifting oil cylinder (604), it is described in
The bottom of supporting leg (6) is equipped with a jacking cylinder (605), and the bottom of the jacking cylinder (605) is equipped with for contacting with bridge floor
Top foot.
5. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, it is characterised in that:
One oil cylinder is installed, the upper section top of the front leg strut (10) is equipped with one group in the upper section of the front leg strut (10)
HILMAN roller bearing (1001), the front leg strut (10) are connected by HILMAN roller bearing (1001) or pin shaft with girder (1)；
Lower beam (1004), upper beam (1005), the lower beam (1004), upper beam are installed between the front leg strut (10)
(1005) it is hinged with one group of bearing diagonal (1006) between, one group of second idler wheel is equipped with by roller box on the lower beam (1004)
(1002), the front end of the roller box is equipped with guide girder machine sprocket wheel；
One second oil cylinder (1003) is installed on the lower section of the front leg strut (10)；
The oil cylinder in upper section by transferring front leg strut (10), connects second idler wheel (1002) with the track on nose girder (8)
Touching.
6. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, which is characterized in that the nose girder rear support leg
(7) top is hinged with a connecting plate (701), and the connecting plate (701) is fixed on nose girder (8), the nose girder rear support leg (7)
It is connect by connecting plate (701) with nose girder (8), fold oil is connected between the nose girder rear support leg (7) and connecting plate (701)
Cylinder (702).
7. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, which is characterized in that the rear roller supporting leg
(9) top is equipped with one group of first idler wheel (901), and the rear roller supporting leg (9) passes through the first idler wheel (901) and nose girder (8)
It is connected.
8. a kind of lower guide fixed-point sling erecting bridge machine according to claim 1, which is characterized in that the middle idler wheel supporting leg
(11) top is equipped with one group of third idler wheel (1101), and the rear roller supporting leg (9) passes through third idler wheel (1101) and nose girder
(8) it is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080561.1A CN109083019A (en) | 2018-09-17 | 2018-09-17 | A kind of lower guide fixed-point sling erecting bridge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080561.1A CN109083019A (en) | 2018-09-17 | 2018-09-17 | A kind of lower guide fixed-point sling erecting bridge machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109083019A true CN109083019A (en) | 2018-12-25 |
Family
ID=64841725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080561.1A Pending CN109083019A (en) | 2018-09-17 | 2018-09-17 | A kind of lower guide fixed-point sling erecting bridge machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109083019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074791A (en) * | 2019-12-31 | 2020-04-28 | 石家庄铁道大学 | Railway bridge transporting and replacing integrated machine and construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864736A (en) * | 2010-04-29 | 2010-10-20 | 郑州市华中建机有限公司 | Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line |
| CN201635012U (en) * | 2010-02-02 | 2010-11-17 | 中铁十一局集团第六工程有限公司 | Bridge box girder erection machine |
| CN101956369A (en) * | 2009-07-20 | 2011-01-26 | 苏州大方特种车股份有限公司 | Guide beam type bridge erector |
| CN102094394A (en) * | 2010-12-30 | 2011-06-15 | 徐州徐工铁路装备有限公司 | Through-tunnel lower pilot girder type non-moving lifting bridge girder erection machine |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN203807947U (en) * | 2014-04-16 | 2014-09-03 | 河北工业大学 | Fixed-point hoisting type bridge girder erection machine |
| JP2018053496A (en) * | 2016-09-27 | 2018-04-05 | 三井住友建設株式会社 | Bridge girder erection method for multiple span continuous bridge |
-
2018
- 2018-09-17 CN CN201811080561.1A patent/CN109083019A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956369A (en) * | 2009-07-20 | 2011-01-26 | 苏州大方特种车股份有限公司 | Guide beam type bridge erector |
| CN201635012U (en) * | 2010-02-02 | 2010-11-17 | 中铁十一局集团第六工程有限公司 | Bridge box girder erection machine |
| CN101864736A (en) * | 2010-04-29 | 2010-10-20 | 郑州市华中建机有限公司 | Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line |
| CN102094394A (en) * | 2010-12-30 | 2011-06-15 | 徐州徐工铁路装备有限公司 | Through-tunnel lower pilot girder type non-moving lifting bridge girder erection machine |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN203807947U (en) * | 2014-04-16 | 2014-09-03 | 河北工业大学 | Fixed-point hoisting type bridge girder erection machine |
| JP2018053496A (en) * | 2016-09-27 | 2018-04-05 | 三井住友建設株式会社 | Bridge girder erection method for multiple span continuous bridge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074791A (en) * | 2019-12-31 | 2020-04-28 | 石家庄铁道大学 | Railway bridge transporting and replacing integrated machine and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101851898B (en) | Bridge girder erection machine capable of passing through tunnel and realizing girder erection and bridging process thereof | |
| CN102251475B (en) | Position changing platform and carrying frame integrated machine and bridge erection method | |
| CN110171768B (en) | Truss tower and crossing construction protection equipment comprising same | |
| CN110184944A (en) | A kind of expanded letter double width Bridge Erector and its erection method | |
| CN205711757U (en) | Section assembling truss double beam girder erecting machine | |
| CN206941396U (en) | Cross tunnel box beam bridge formation machine | |
| CN205529914U (en) | Tunnel case roof beam structure bridge crane is crossed to HZQD900 type | |
| CN110409311A (en) | It a kind of single beam girder erecting machine and its sets a roof beam in place, via hole, the method for crossing tunnel | |
| CN208884372U (en) | A kind of large-tonnage Bridge Erector for the construction of sharp radius curve railway whole opening box girder | |
| CN201746780U (en) | Bridge girder erection machine capable of passing through tunnel and realizing girder erection at tunnel opening | |
| CN109083019A (en) | A kind of lower guide fixed-point sling erecting bridge machine | |
| CN209144664U (en) | Bridge Erector | |
| CN109083020B (en) | Span changing method of lower guide beam type fixed point hoisting bridge girder erection machine | |
| CN208151861U (en) | The traversing supporting leg of Bridge Erector | |
| CN206590793U (en) | Connect arm assembly and the movable arm tower crane comprising the device in the air | |
| CN203080418U (en) | Segment assembly type bridge girder erection machine | |
| CN202194077U (en) | Bridge-erecting machine traveling device applicable to small curve via holes | |
| CN106835999A (en) | A kind of rear supporting leg of bridge erecting machine device | |
| CN111119072A (en) | Staggered construction method for steps of high-pier bridge in mountainous area | |
| CN206873297U (en) | A kind of rear supporting leg of bridge erecting machine device | |
| CN106087763B (en) | It is a kind of to cross the double girder rubber-tyred railway T-girder bridge girder erections of tunnel type and bridging method | |
| CN205711767U (en) | Bridge Erector for Prestressed Concrete Bridges prefabricated subsection construction of splicing span by span | |
| CN210735995U (en) | Box girder transportation high-low position conversion device | |
| CN109083021A (en) | A kind of lower guide fixed-point sling erecting bridge machine front leg strut | |
| CN103924523B (en) | A kind of single armed box beam bridge formation machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |
|
| RJ01 | Rejection of invention patent application after publication |