CN104727228B - Tunnel Bridge Erector telescopic support leg device - Google Patents
Tunnel Bridge Erector telescopic support leg device Download PDFInfo
- Publication number
- CN104727228B CN104727228B CN201510147384.4A CN201510147384A CN104727228B CN 104727228 B CN104727228 B CN 104727228B CN 201510147384 A CN201510147384 A CN 201510147384A CN 104727228 B CN104727228 B CN 104727228B
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- level
- telescopic
- telescopic mast
- bridge erector
- 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.)
- Active
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
A kind of tunnel Bridge Erector telescopic support leg device, comprise two cover one-level stretching structures, two cover secondary stretching structure and lower horizontal-associates, each described one-level stretching structure is arranged at respectively the girder column jacket below of Bridge Erector, each described secondary stretching structure is arranged at the below of one-level stretching structure, and described lower horizontal-associate is arranged at the below of two cover secondary stretching structures; Described one-level stretching structure comprises one-level telescopic mast and one-level telescopic oil cylinder, automatic pinning device comprises tie-beam, plugging pin oil cylinder and the first bearing pin, wherein the outer rim of one end of tie-beam and girder column jacket is welded and fixed, the oil cylinder body of the fixing described plugging pin oil cylinder of the other end, expansion link end is connected with the first bearing pin by hinge pin; Thus, do not need to consider the erect-position problem after dismounting and telescopic outrigger are disassembled in the concrete use procedure of the present invention, therefore telescopic telescopic outrigger is realized and is handled the features such as quick, operation is steady, has effectively improved operating efficiency and the comprehensive utilization ratio of Bridge Erector.
Description
Technical field
The present invention relates to tunnel and build bridge by mechanical technical field, relate in particular to a kind of tunnel Bridge Erector telescopic legDevice.
Background technology
Along with deepening constantly of railway construction construction, exist a large amount of bridge tunnel correlation problems, particularly in mountain terrainConstruct especially obvious, simultaneously in tunnel, may occur crossing over solution cavity section in tunnel, need to be in tunnel box girder erection. Cross tunnel frameThe Bridge Erector of the large-scale general that bridge eedle arises at the historic moment to this phenomenon. Conventionally the middle supporting leg of Bridge Erector is on the one hand in order to meetPassing through of case beam, in order to meet hanging beam and the support requirement of the beam operation that falls, middle supporting leg is C type structure on the other hand, due to C type knotStructure will carry additional moment of flexure, thus huger by C type supporting leg, in order to meet the face size in tunnel, C type supporting leg and girderOutboard end is designed to hinge pin and connects, and reduces the appearance and size of Bridge Erector, to meet the requirement in tunnel by upset.
Therefore, adopt and existingly cross the connected mode of supporting leg and girder in tunnel Bridge Erector and cannot meet in tunnel face zero distanceIn, negative distance and tunnel, set a roof beam in place, and each construction working amount of crossing tunnel is large, long construction period, construction cost is high, also depositsIn very large potential safety hazard.
For this reason, designer of the present invention, in view of above-mentioned defect, by concentrating on studies and designing, is comprehensively engaged in for a long time for many yearsThe experience of related industry and achievement, research and design goes out a kind of tunnel Bridge Erector telescopic support leg device, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of tunnel Bridge Erector telescopic support leg device, this telescopic outrigger not only designsSafe and reliable, easy and simple to handle, can dismantle the operation of setting a roof beam in place that can realize in tunnel face zero distance, negative distance and tunnel, the utmost pointThe earth has improved operating efficiency and the comprehensive utilization ratio of Bridge Erector.
For addressing the above problem, the invention discloses a kind of tunnel Bridge Erector telescopic support leg device, comprise two covers oneLevel stretching structure, two cover secondary stretching structure and lower horizontal-associates, is characterized in that:
Each described one-level stretching structure is arranged at respectively the girder column jacket below of Bridge Erector, and each described secondary stretching structure is establishedBe placed in the below of one-level stretching structure, described lower horizontal-associate is arranged at the below of two cover secondary stretching structures;
Described one-level stretching structure comprises one-level telescopic mast and one-level telescopic oil cylinder, and described one-level telescopic mast is hollow sleevePipe, its upper end can be inserted in the hollow groove of girder column jacket, and the oil cylinder body of described one-level telescopic oil cylinder is fixed on described one-level to be stretchedIn contracting post, the end of expansion link is connected to the top of the hollow groove of girder column jacket, thereby realizes one-level telescopic mast at girder column jacketInterior sliding extension;
Also comprise automatic pinning device, described automatic pinning device comprises tie-beam, plugging pin oil cylinder and the first bearing pin, whereinThe outer rim of one end of tie-beam and girder column jacket is welded and fixed, and the other end is bolted the oil cylinder basis of described plugging pin oil cylinderBody, the expansion link end of described plugging pin oil cylinder is connected with the first bearing pin by hinge pin, and described girder column jacket and one-level telescopic mast are establishedThere is the pin-and-hole connecting for described the first bearing pin.
Wherein: described secondary stretching structure comprises secondary telescopic mast and secondary telescopic oil cylinder, during described secondary telescopic mast isEmpty set pipe, its upper end can be inserted in one-level telescopic mast, and it is flexible that the oil cylinder body of described secondary telescopic oil cylinder is fixed on described one-levelIn post, the end of expansion link is connected in secondary telescopic mast, stretches thereby realize the slip of secondary telescopic mast in one-level telescopic mastContracting.
Wherein: described secondary telescopic mast is crossed derrick rig with bottom rail UNICOM and is connected, described derrick rig comprise pull bar,Suspension rod and arm-tie, described pull bar runs through the interior also tail end of secondary telescopic mast by nut check, described arm-tie and the welding of lower horizontal-associate,The two ends of described suspension rod can be fixed by bolt and pull bar, arm-tie respectively.
Wherein: between described secondary telescopic mast and lower horizontal-associate, be also provided with post hinge structure, described post hinge structure comprises and being positioned atThe column cap of secondary telescopic mast bottom and the column base of lower horizontal-associate upper surface.
Wherein: the lower surface middle part of described lower horizontal-associate is provided with an extension block, and the both sides of described extension block are respectively equipped with a horizontal strokeMove structure, each described transverse moving structure comprises sideslip oil cylinder and traversing supporting seat, and the oil cylinder body of described sideslip oil cylinder is fixed to and prolongsStretch piece, the end of expansion link is fixed to traversing supporting seat, and described traversing supporting seat is positioned at the lower surface of described lower horizontal-associate.
Wherein: in described lower horizontal-associate, be provided with four oil cylinder supporting legs, the oil cylinder body of described oil cylinder supporting leg be fixed on described underHorizontal-associate, the end of expansion link is supported in beam face by supporting seat, and thus, traversing supporting seat can be realized the position on horizontal and verticalMove.
Known by said structure, tunnel of the present invention Bridge Erector has following effect with telescopic support leg device:
1, simple in structure, easy to operate, applied widely;
2, in concrete use procedure, do not need to consider the erect-position problem after dismounting and telescopic outrigger are disassembled, therefore telescopic stretchingContracting supporting leg is realized and is handled the features such as quick, operation is steady, has effectively improved operating efficiency and the comprehensive utilization ratio of Bridge Erector.
Detailed content of the present invention can obtain by explanation described later and institute's accompanying drawing.
Brief description of the drawings
Fig. 1 has shown the scheme of installation of tunnel of the present invention Bridge Erector telescopic support leg device.
Fig. 2 is the left view of Fig. 1.
Fig. 2 A is the cutaway view of A-A in Fig. 2.
Fig. 3 A, 3B are Fig. 2 middle hanger device views.
Fig. 4 is automatic pinning device partial view in Fig. 2.
Fig. 5 is the flexible rear effect diagram intention of Fig. 2.
Fig. 6 is the B-B sectional drawing that Fig. 2 removes telescopic oil cylinder.
In figure, 1 is girder column jacket; 2 is one-level telescopic mast; 3 is one-level telescopic oil cylinder; 4 is secondary telescopic mast; 5 is secondaryTelescopic oil cylinder; 6 is lower horizontal-associate; 7 is sleeper; 8 is sideslip oil cylinder; 9 is traversing supporting seat; 10 is oil cylinder supporting leg; 11 is suspension rod dressPut; 12 is the second bearing pin; 13 is automatic pinning device; 41 is column cap, and 61 is column base; 111 is pull bar, 112 suspension rods, and 113 for drawingPlate; 131 is tie-beam, and 132 is plugging pin oil cylinder, and 133 is the first bearing pin.
Detailed description of the invention
Referring to Fig. 1 to Fig. 6, show tunnel of the present invention Bridge Erector telescopic support leg device.
Described tunnel Bridge Erector with telescopic support leg device comprise two cover one-level stretching structures, two cover secondary stretching structures andLower horizontal-associate 6.
Each described one-level stretching structure is arranged at respectively girder column jacket 1 below of Bridge Erector, each described secondary stretching structureBe arranged at the below of one-level stretching structure, described lower horizontal-associate 6 is arranged at the below of two cover secondary stretching structures.
Wherein, described one-level stretching structure comprises one-level telescopic mast 2 and one-level telescopic oil cylinder 3, and described one-level telescopic mast 2 isHollow sleeve, its upper end can be inserted in the hollow groove of girder column jacket 1, and the oil cylinder body of described one-level telescopic oil cylinder 3 is fixed on instituteState in one-level telescopic mast 2, the end of expansion link is connected to the top of the hollow groove of girder column jacket 1, thereby can stretch by one-levelThe flexible sliding extension of one-level telescopic mast 2 in girder column jacket 1 of realizing of oil cylinder 3.
Wherein, also comprise automatic pinning device 13, referring to Fig. 4, described automatic pinning device 13 comprises tie-beam 131, insertsPin oil cylinder 132 and the first bearing pin 133, wherein the outer rim of one end of tie-beam 131 and girder column jacket 1 is welded and fixed, and the other end is logicalThe oil cylinder body of crossing the fixing described plugging pin oil cylinder 132 of bolt, the expansion link end of described plugging pin oil cylinder 132 is by hinge pin and firstBearing pin 133 connects, and described girder column jacket 1 and one-level telescopic mast 2 are provided with the pin-and-hole connecting for described the first bearing pin 133, thus, fromMoving bolt device can be realized the automatic pinning of one-level stretching structure and girder column jacket, without manual operation, more convenient and quick.
Optionally, described girder column jacket 1 and one-level telescopic mast 2 also can be provided with slip location structure, described slip locationStructure can comprise at least two sliding guide grooves that are oppositely arranged and the one-level telescopic mast 2 outer rim correspondences in girder column jacket 1 hollow grooveAt least two rail plates that arrange, are convenient to the slip fast and accurately between girder column jacket 1 and one-level telescopic mast 2.
Wherein, described secondary stretching structure comprises secondary telescopic mast 4 and secondary telescopic oil cylinder 5, and described secondary telescopic mast 4 isHollow sleeve, its upper end can be inserted in one-level telescopic mast 2, and the oil cylinder body of described secondary telescopic oil cylinder 5 is fixed on described one-levelIn telescopic mast 2, the end of expansion link is connected in secondary telescopic mast 4, thereby can realize two by the flexible of secondary telescopic oil cylinder 5The sliding extension of level telescopic mast 4 in one-level telescopic mast 2.
Between described secondary telescopic mast 4 and one-level telescopic mast 2, be also provided with the second bearing pin 12, described secondary telescopic mast 4 andLevel telescopic mast 2 is provided with the pin-and-hole connecting for the second bearing pin 12.
Optionally, described secondary telescopic mast 4 and one-level telescopic mast 2 also can be provided with slip location structure, and described slip is fixedBit architecture can comprise at least two sliding guide grooves that are oppositely arranged and secondary telescopic mast 4 outer surfaces of one-level telescopic mast 2 inner surfacesCorresponding at least two rail plates that arrange, are convenient to the slip fast and accurately between secondary telescopic mast 4 and one-level telescopic mast 2.
Described secondary telescopic mast 4 is connected by derrick rig 11 with lower horizontal-associate 6, as shown in Fig. 3 A, 3B, and described suspension rodDevice 11 comprises pull bar 111, suspension rod 112 and arm-tie 113, and described pull bar 111 runs through in secondary telescopic mast 4 and tail end passes through spiral shellFemale locking, described arm-tie 113 welds with lower horizontal-associate 6, the two ends of described suspension rod 112 can be respectively by bolt and pull bar 111, arm-tie113 is fixing, thereby it is fixing to be convenient to dismounting.
Between described secondary telescopic mast 4 and lower horizontal-associate 6, also can be provided with post hinge structure, referring to Fig. 2 A, described post hinge structureComprise and be positioned at the column cap 41 of secondary telescopic mast 4 bottoms and the column base 61 of lower horizontal-associate 6 upper surfaces so that secondary telescopic mast 4 with underLocation between horizontal-associate 6.
The lower surface middle part of described lower horizontal-associate 6 is provided with an extension block, and the both sides of described extension block are respectively equipped with a traversing knotStructure, each described transverse moving structure comprises sideslip oil cylinder 8 and traversing supporting seat 9, and the oil cylinder body of described sideslip oil cylinder 8 is fixed to extensionPiece, the end of expansion link is fixed to traversing supporting seat 9, and described traversing supporting seat 9 is positioned at the lower surface of described lower horizontal-associate 6 and can props upSupport on sleeper 7, in described lower horizontal-associate 6, be provided with four oil cylinder supporting legs 10, the oil cylinder body of described oil cylinder supporting leg 10 is fixed on instituteState lower horizontal-associate 6, the end of expansion link is supported in beam face by supporting seat, thus, traversing supporting seat 9 can realize horizontal and vertical onDisplacement.
As shown in Figure 1, during Bridge Erector hanging beam, fall beam and via hole vertical shift working condition, crane ' s major girder column jacket 1 is to stretchingThe pressure of contracting supporting leg is by girder column jacket 1 and one-level telescopic mast 2 and the first bearing pin 133, and one-level telescopic mast 2 and secondaryTelescopic mast 4 and the second bearing pin 12, pass to lower horizontal-associate 6, and lower horizontal-associate 6 is delivered to ground by sleeper 7, forms three grades of bushing types twoPillar construction.
Wherein, bolt connecting mode is crossed by described bottom rail UNICOM and beam car car body is fixed, and coordinates flexible of beam carLeg can be realized packing of Bridge Erector.
Each stages operating flow process of the present invention is:
Put in place, synchronize and carry on the back before beam with Bridge Erector at beam car fortune beam: (1) is connected one-level telescopic mast and secondary telescopic mastBearing pin is extracted, and handles secondary telescopic oil cylinder secondary telescopic mast is retracted in one-level telescopic mast; (2) handle automatic pinning devicePlugging pin oil cylinder, is bounced back girder column jacket is extracted with the bearing pin that is connected of one-level telescopic mast by oil cylinder; (3) handle one-level telescopic oil cylinderOne-level telescopic mast is retracted in girder column jacket; (4) handle oil cylinder supporting leg traversing supporting seat and sleeper departed from, take out sleeper,On earth, now traversing supporting seat contacts with ground retraction oil cylinder supporting leg, and now beam car is prepared to start to synchronize to carry beam on the back with Bridge Erector.
Put in place, fall after beam puts in place synchronously carrying beam on the back, before vertical shift via hole: it is flexible oily with secondary that (1) handles one-level telescopic oil cylinderCylinder completes the reset of one-level telescopic mast and secondary telescopic mast; (2) plugging pin oil cylinder of manipulation automatic pinning device, stretches out by oil cylinderGirder column jacket is inserted into position with the bearing pin that is connected of one-level telescopic mast; (3) handle bearing pin by one-level telescopic mast and secondary telescopic mastConnect; (4) handle oil cylinder supporting leg and make, after telescoping mechanism and lower horizontal-associate contraposition, to pad back sleeper, now beam car exits Bridge Erector;(5) after rear supporting leg of bridge erecting machine supports, by derrick rig, upper telescoping mechanism is connected with lower horizontal-associate, handles automatic pinning deviceGirder column jacket is discharged with the bearing pin that is connected of one-level telescopic mast; (6) handle one-level telescopic oil cylinder retraction, traversing supporting seat is departed fromSleeper, Bridge Erector prepares to drive telescopic outrigger via hole.
The invention solves prior art Shortcomings, provide a kind of novel Bridge Erector telescopic outrigger, for auxiliary frameBridge frame beam, realizes box beam erection in tunnel face zero distance, negative distance and tunnel. It has does not need other auxiliary equipment, energyAllow fast voluntarily outlet beam by space, alleviate workman's operation easier and workload, the advantage such as enhance productivity, at Yun LiangUnder the cooperation of car, the conversion by few parts and folding, need not assist crane gear, does not disassemble, and can realize Bridge ErectorPacked tunnel.
It is evident that, above description and record be only for example instead of for limit of the present invention open inHold, apply or use. Although described in an embodiment and be described in the drawings embodiment, the present invention does not limitThe optimal mode of being thought at present by the conduct of accompanying drawing example and description is in an embodiment to implement the particular case of instruction of the present inventionSon, scope of the present invention will comprise any embodiment that falls into description above and appended claim.
Claims (6)
1. a tunnel Bridge Erector telescopic support leg device, comprise two cover one-level stretching structures, two cover secondary stretching structures andLower horizontal-associate, is characterized in that:
Each described one-level stretching structure is arranged at respectively the girder column jacket below of Bridge Erector, and each described secondary stretching structure is arranged atThe below of one-level stretching structure, described lower horizontal-associate is arranged at the below of two cover secondary stretching structures;
Described one-level stretching structure comprises one-level telescopic mast and one-level telescopic oil cylinder, and described one-level telescopic mast is hollow sleeve, itsUpper end can be inserted in the hollow groove of girder column jacket, and the oil cylinder body of described one-level telescopic oil cylinder is fixed on described one-level telescopic mastIn, the end of expansion link is connected to the top of the hollow groove of girder column jacket, thereby realizes one-level telescopic mast in the girder column jacketSliding extension;
Also comprise automatic pinning device, described automatic pinning device comprises tie-beam, plugging pin oil cylinder and the first bearing pin, wherein connectsThe outer rim of one end of beam and girder column jacket is welded and fixed, and the other end is bolted the oil cylinder body of described plugging pin oil cylinder, instituteThe expansion link end of stating plugging pin oil cylinder is connected with the first bearing pin by hinge pin, and described girder column jacket and one-level telescopic mast are provided with for instituteState the pin-and-hole that the first bearing pin connects.
2. tunnel as claimed in claim 1 Bridge Erector telescopic support leg device, is characterized in that: described secondary stretching structureComprise secondary telescopic mast and secondary telescopic oil cylinder, described secondary telescopic mast is hollow sleeve, and one-level telescopic mast can be inserted in its upper endIn, the oil cylinder body of described secondary telescopic oil cylinder is fixed in described one-level telescopic mast, and the end of expansion link is connected to secondary and stretchesIn contracting post, thereby realize the sliding extension of secondary telescopic mast in one-level telescopic mast.
3. tunnel as claimed in claim 2 Bridge Erector telescopic support leg device, is characterized in that: described secondary telescopic mast withBottom rail UNICOM crosses derrick rig and connects, and described derrick rig comprises pull bar, suspension rod and arm-tie, and described pull bar runs through secondaryTail end is by nut check in telescopic mast, and described arm-tie welds with lower horizontal-associate, the two ends of described suspension rod can be respectively by bolt andPull bar, arm-tie are fixed.
4. tunnel as claimed in claim 3 Bridge Erector telescopic support leg device, is characterized in that: described secondary telescopic mastAnd between lower horizontal-associate, be also provided with post hinge structure, described post hinge structure comprises on the column cap and lower horizontal-associate that is positioned at secondary telescopic mast bottomThe column base on surface.
5. as the tunnel Bridge Erector telescopic support leg device as described in arbitrary in claim 1-4, it is characterized in that: described bottom railThe lower surface middle part of connection is provided with an extension block, and the both sides of described extension block are respectively equipped with a transverse moving structure, each described transverse moving structureComprise sideslip oil cylinder and traversing supporting seat, the oil cylinder body of described sideslip oil cylinder is fixed to extension block, and the end of expansion link is fixedTo traversing supporting seat, described traversing supporting seat is positioned at the lower surface of described lower horizontal-associate.
6. tunnel as claimed in claim 5 Bridge Erector telescopic support leg device, is characterized in that: in described lower horizontal-associate, be provided withFour oil cylinder supporting legs, the oil cylinder body of described oil cylinder supporting leg is fixed on described lower horizontal-associate, and the end of expansion link props up by supporting seatSupport in beam face, thus, traversing supporting seat can be realized the displacement on horizontal and vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147384.4A CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147384.4A CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104727228A CN104727228A (en) | 2015-06-24 |
| CN104727228B true CN104727228B (en) | 2016-05-25 |
Family
ID=53451591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510147384.4A Active CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104727228B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607753A (en) * | 2019-09-30 | 2019-12-24 | 合肥正浩机械科技有限公司 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
| CN115030034A (en) * | 2022-03-18 | 2022-09-09 | 四川省交通建设集团股份有限公司 | Bolt device suitable for bridge girder erection machine landing leg |
| CN117865009A (en) * | 2024-01-19 | 2024-04-12 | 中铁十二局集团有限公司 | Climbing type bridge girder erection machine supporting leg and telescopic method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100667921B1 (en) * | 2005-12-13 | 2007-01-11 | 재현토건(주) | Construction method of pylon using precast concrete beam |
| CN201981487U (en) * | 2011-03-29 | 2011-09-21 | 河南省大河重型机械有限公司 | Front bracket provided with four pillars and used in bridge girder erection machine |
| KR101104298B1 (en) * | 2011-01-11 | 2012-01-11 | 브릿지테크놀러지(주) | Through bridge construction method by side beam and slab by box structure without lateral prestressing |
| CN202157271U (en) * | 2011-05-31 | 2012-03-07 | 无锡澳玛高铁科技有限公司 | Auxiliary landing leg structure of bridge erecting machine |
| CN202323733U (en) * | 2011-11-24 | 2012-07-11 | 武桥重工集团股份有限公司 | Bridge girder erection machine rear supporting leg capable of walking independently |
| CN202390772U (en) * | 2011-12-28 | 2012-08-22 | 郑州新大方重工科技有限公司 | Rear supporting leg device suitable for road and railway bridge erecting machine |
| CN203429562U (en) * | 2013-08-23 | 2014-02-12 | 中铁八局集团第二工程有限公司 | Front landing leg lifting device for bridge girder erection machine |
| CN204551277U (en) * | 2015-03-31 | 2015-08-12 | 中铁工程机械研究设计院有限公司 | Tunnel Bridge Erector telescopic support leg device |
-
2015
- 2015-03-31 CN CN201510147384.4A patent/CN104727228B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100667921B1 (en) * | 2005-12-13 | 2007-01-11 | 재현토건(주) | Construction method of pylon using precast concrete beam |
| KR101104298B1 (en) * | 2011-01-11 | 2012-01-11 | 브릿지테크놀러지(주) | Through bridge construction method by side beam and slab by box structure without lateral prestressing |
| CN201981487U (en) * | 2011-03-29 | 2011-09-21 | 河南省大河重型机械有限公司 | Front bracket provided with four pillars and used in bridge girder erection machine |
| CN202157271U (en) * | 2011-05-31 | 2012-03-07 | 无锡澳玛高铁科技有限公司 | Auxiliary landing leg structure of bridge erecting machine |
| CN202323733U (en) * | 2011-11-24 | 2012-07-11 | 武桥重工集团股份有限公司 | Bridge girder erection machine rear supporting leg capable of walking independently |
| CN202390772U (en) * | 2011-12-28 | 2012-08-22 | 郑州新大方重工科技有限公司 | Rear supporting leg device suitable for road and railway bridge erecting machine |
| CN203429562U (en) * | 2013-08-23 | 2014-02-12 | 中铁八局集团第二工程有限公司 | Front landing leg lifting device for bridge girder erection machine |
| CN204551277U (en) * | 2015-03-31 | 2015-08-12 | 中铁工程机械研究设计院有限公司 | Tunnel Bridge Erector telescopic support leg device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104727228A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104612712B (en) | A kind of tunnel double-lining construction formwork chassis based on rectangle support | |
| CN203373664U (en) | Foldable rear supporting leg of tunnel-through bridge girder erection machine | |
| CN104727228B (en) | Tunnel Bridge Erector telescopic support leg device | |
| CN104499434A (en) | Movable formwork for casting of wide-body box girder and construction method | |
| CN205527429U (en) | Jib crane is from jacking device | |
| CN103321156B (en) | Foldable through-tunnel bridge girder erection machine rear support leg and application thereof | |
| CN202544854U (en) | Lining trolley for subway station | |
| CN104763446A (en) | Multi-functional trolley for subway station construction | |
| CN101503947B (en) | Telescopic combined double-layer drilling rig | |
| CN205529914U (en) | Tunnel case roof beam structure bridge crane is crossed to HZQD900 type | |
| CN103590763A (en) | Blowout preventer transportation and installation device of oil drilling platform | |
| CN110130937B (en) | Tunnel construction trolley | |
| CN201401005Y (en) | Template sliding and lifting device | |
| CN102041815B (en) | Tower crane | |
| CN204551277U (en) | Tunnel Bridge Erector telescopic support leg device | |
| CN101761033B (en) | Bionic leg system for machine cat type railway bridge erecting machine | |
| CN206144580U (en) | Single -column hydraulic support | |
| CN204282793U (en) | Packaged type groined type type steel scaffold | |
| CN105332718A (en) | Trolley for construction of large-span multi-section tunnel | |
| CN203188942U (en) | Novel multifunctional racking platform | |
| CN201420239Y (en) | Hydraulic locking mechanism | |
| CN207863871U (en) | A kind of derrick for repairing equipment for petroleum drilling | |
| CN103243910B (en) | Hydraulic pressure controlled reinforced concrete structure bed die vertical supporting system and construction method thereof | |
| CN205387943U (en) | Tunnel lining trolley | |
| CN205421023U (en) | Public road bridge roof beam strutting arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |