CN110593131A - Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof - Google Patents
Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof Download PDFInfo
- Publication number
- CN110593131A CN110593131A CN201910984193.1A CN201910984193A CN110593131A CN 110593131 A CN110593131 A CN 110593131A CN 201910984193 A CN201910984193 A CN 201910984193A CN 110593131 A CN110593131 A CN 110593131A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- supporting
- cross
- fixedly connected
- bolt
- 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
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a cross traversing avoiding beam falling device of a bridge girder erection machine and a beam falling method thereof, wherein the bottom end of a main girder is fixedly connected with a supporting disk through a bolt, the bottom end of the supporting disk is connected with a traversing beam in a sliding way, the bottom end of the main girder is fixedly connected with the supporting disk through a bolt, the bottom end of the supporting disk is connected with the traversing beam in a sliding way, two screws and the traversing beam are arranged in parallel, one end of each screw is rotatably connected with a reduction box, a motor is started to enable the two motors to always rotate oppositely, the motor drives a rotating shaft in the reduction box to rotate, further the rotating shaft in the reduction box drives the screw to rotate, the screw drives a moving block to move along the length direction of the screw, further drives the supporting disk to move along the length direction of the traversing beam, the supporting disk drives the main girder to transversely move, and when, the supporting legs on the two sides of the portal frame are stressed more evenly, the stability of the supporting legs is improved, and the beam falling safety is improved.
Description
Technical Field
The invention relates to the field of beam falling devices, in particular to a beam falling device and a beam falling method for cross-sliding avoidance of a bridge girder erection machine.
Background
The bridge erecting machine is a device for placing prefabricated beam pieces on prefabricated piers, belongs to the category of cranes, runs on highways and railway tracks and is used for erecting small span bridges for whole spans. The existing bridge girder erection machine is a descending bridge girder erection machine, the girder of the existing bridge girder erection machine can not move when the girder falls, the prefabricated bridge directly descends the prefabricated bridge when horizontally moving to the position to be erected, the supporting legs on two sides of the portal frame are stressed unevenly when the girder falls, the prefabricated bridge is overturned easily in the girder falling process, the position of the falling girder is influenced, and the prefabricated bridge can be overturned and dropped when the prefabricated bridge falls seriously, so that the damage is caused.
Disclosure of Invention
The invention aims to provide a cross-sliding avoiding beam falling device of a bridge girder erection machine and a beam falling method thereof, and aims to solve the technical problems that a main beam of the bridge girder erection machine cannot move when the conventional bridge girder erection machine falls, a prefabricated bridge directly falls when the prefabricated bridge horizontally moves to a position to be erected, and supporting legs on two sides of a portal frame are unevenly stressed during beam falling, so that the prefabricated bridge is easily overturned during the beam falling process, and the position of the beam falling is influenced.
The purpose of the invention can be realized by the following technical scheme:
a cross-sliding avoiding beam falling device of a bridge girder erection machine comprises: the bottom end of the main beam is fixedly connected with the supporting disc through bolts, the bottom end of the supporting disc is connected with the transverse beam in a sliding manner, the transverse beam is fixedly connected with the support through bolts, a plurality of moving blocks are symmetrically arranged at the bottom end of the supporting disc and are fixedly connected with the supporting disc through bolts, the plurality of moving blocks are movably connected with the screws through threaded holes, the number of the screws is two, the two screws are arranged in parallel, the two screws and the transverse beam are arranged in parallel, one ends of the two screws are respectively and rotatably connected with a reduction gearbox, one end of each reduction gearbox is rotatably connected with the motor, the reduction gearboxes are fixedly connected with the support through bolts, the two reduction gearboxes are symmetrically arranged with the central line of the support, and the top end of the supporting frame is provided with a winch, the bottom of hoist engine is through bolt and fixed plate fixed mounting, fixed plate and support frame sliding connection, gusset and first telescopic link fixed mounting are passed through to the one end of fixed plate, first telescopic link and first cylinder swing joint, and first cylinder passes through bolt and support frame fixed connection, and the one end movable mounting of hoist engine has the lifting rope, lifting rope and crossbeam fixed connection, and the one end fixed mounting of crossbeam has the suspender that is used for hoist and mount precast beam.
As a further scheme of the invention, the two ends of the support are symmetrically provided with the supporting legs, and the top ends and the bottom ends of the supporting legs are respectively fixedly connected with the supporting frame and the support through the supporting base.
As a further scheme of the invention, the top end of the support frame is fixedly provided with a protective frame through a bolt, and the bottom end of the support frame is provided with a pier for supporting.
As a further scheme of the invention, one end of the supporting leg is provided with a hydraulic cylinder, the top end of the hydraulic cylinder is movably connected with the supporting frame through an articulated piece, the bottom end of the hydraulic cylinder is movably connected with a push rod, the bottom end of the push rod is movably connected with an installation base, and the installation base is fixedly connected with the support through a bolt.
As a further scheme of the invention, one end of the cross beam is provided with a second cylinder, the second cylinder is fixedly connected with the supporting leg through a bolt, one end of the second cylinder is movably connected with a second telescopic rod, and the second telescopic rod is fixedly connected with the cross beam through a bolt.
The use method of the beam falling device specifically comprises the following steps:
firstly, mounting the hanging strips on the precast beam, starting the motors to enable the two motors to always turn in opposite directions, driving a rotating shaft in a reduction box to rotate by the motors, driving a screw rod to rotate by the rotating shaft in the reduction box, driving a moving block to move along the length direction of the screw rod by the screw rod, driving a supporting plate to move along the length direction of a transverse moving beam, and driving a main beam to transversely move to one side of a support by the supporting plate;
secondly, simultaneously starting the first cylinder and the second cylinder, so that the first cylinder and the second cylinder respectively drive the first telescopic rod and the second telescopic rod to drive the winch and the cross beam to move towards the direction far away from the main beam;
and thirdly, starting the winch, driving the lifting rope to descend by the winch, driving the cross beam to descend by the lifting rope, enabling the cross beam to descend to a required position, driving the cross beam to ascend by the winch after the beam falls, driving the first telescopic rod and the second telescopic rod to transversely move the winch and the cross beam to an initial position by the first air cylinder and the second air cylinder, and simultaneously starting the motor to drive the main beam to transversely move to the initial position to perform next beam falling cycle.
The invention has the beneficial effects that: pass through bolt and supporting disk fixed connection with the bottom of girder, the bottom sliding connection of supporting disk has the sideslip roof beam, be parallel arrangement with two screw rods and sideslip roof beam, and rotate in the one end of two screw rods and be connected with the reducing gear box, the starter motor, make two motors turn to opposite all the time, the motor drives the pivot in the reducing gear box and rotates, and then drive the screw rod through the pivot in the reducing gear box and rotate, make the screw rod drive the movable block and move along the length direction of screw rod, and then drive the length direction removal along the sideslip roof beam of supporting disk, make the supporting disk drive the girder sideslip, at the roof beam in-process that falls, through and then make the girder can erect the counter weight of in-process as precast beam in the roof beam in-process that falls, make portal frame both sides landing.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the lifting of a drop beam of the present invention;
FIG. 2 is a schematic view of a cross-traversing avoidance beam drop of the present invention;
FIG. 3 is a schematic view of the installation of the present invention after the beam is dropped;
in the figure: 1. a main beam; 2. a support; 3. a support base; 4. a support disc; 5. a support leg; 6. a hydraulic cylinder; 7. a push rod; 8. a support frame; 9. a winch; 10. a lifting rope; 11. a cross beam; 12. a sling; 13. installing a base; 14. prefabricating a beam; 15. a bridge pier; 16. a protective frame; 17. a first cylinder; 18. a first telescopic rod; 19. a second cylinder; 20. a second telescopic rod; 21. a motor; 22. a reduction gearbox; 23. and (4) traversing the beam.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a cross traverse avoiding beam falling device of a bridge girder erection machine comprises a main beam 1, a support plate 4, support legs 5, a hydraulic cylinder 6, a sling 12, a first cylinder 17, a first telescopic rod 18, a second cylinder 19, a second telescopic rod 20, a motor 21 and a traverse beam 23, wherein the bottom end of the main beam 1 is fixedly connected with the support plate 4 through bolts, the bottom end of the support plate 4 is slidably connected with the traverse beam 23, the traverse beam 23 is fixedly connected with a support 2 through bolts, a plurality of moving blocks are symmetrically arranged at the bottom end of the support plate 4 and are fixedly connected with the support plate 4 through bolts, the plurality of moving blocks are movably connected with screws through threaded holes, the number of the screws is two, the two screws are arranged in parallel with the traverse beam 23, one end of the two screws is rotatably connected with a reduction gearbox 22, one end of the reduction, and reducing gear box 22 passes through bolt and support 2 fixed connection, make two reducing gear boxes 22 set up with the central line symmetry of support 2, and then when needs move girder 1 along the length direction of sideslip roof beam 23, start motor 21, make two motors 21 turn to opposite all the time, motor 21 drives the pivot in reducing gear box 22 and rotates, and then drive the screw rod through the pivot in reducing gear box 22 and rotate, make the screw rod drive the movable block and move along the length direction of screw rod, and then drive supporting disk 4 and move along the length direction of sideslip roof beam 23, make supporting disk 4 drive girder 1 sideslip, in order to satisfy the needs that the roof beam falls.
The both ends symmetry of support 2 is provided with landing leg 5, and the top and the bottom of landing leg 5 are respectively through supporting base 3 and support frame 8 and support 2 fixed connection, and there is protective frame 16 on the top of support frame 8 through bolt fixed mounting, and the bottom of support 2 is provided with pier 15, and support 2 provides the support through pier 15.
The one end of landing leg 5 is provided with pneumatic cylinder 6, and the top of pneumatic cylinder 6 passes through articulated elements swing joint with support frame 8, and the bottom swing joint of pneumatic cylinder 6 has push rod 7, the bottom and the installation base 13 swing joint of push rod 7, and installation base 13 passes through bolt and 2 fixed connection of support.
The top of support frame 8 is provided with hoist engine 9, bolt and fixed plate fixed mounting are passed through to hoist engine 9's bottom, fixed plate and 8 sliding connection of support frame, gusset and 18 fixed mounting of first telescopic link are passed through to the one end of fixed plate, first telescopic link 18 and first cylinder 17 swing joint, first cylinder 17 passes through bolt and 8 fixed connection of support frame, and then when starting first cylinder 17, first cylinder 17 promotes first telescopic link 18 and removes along the horizontal square, and then remove through 18 drive fixed plate of first telescopic link, make the fixed plate drive hoist engine 9 along the horizontal direction sideslip.
One end movable mounting of hoist engine 9 has lifting rope 10, lifting rope 10 and crossbeam 11 fixed connection, and the one end fixed mounting of crossbeam 11 has suspender 12 that is used for hoist and mount precast beam 14, and then makes when falling the roof beam, starts hoist engine 9, and hoist engine 9 drives lifting rope 10 and descends, and then drives crossbeam 11 through lifting rope 10 and descends for crossbeam 11 descends precast beam 14 to needs position.
One end of crossbeam 11 is provided with second cylinder 19, second cylinder 19 passes through bolt and landing leg 5 fixed connection, the one end swing joint of second cylinder 19 has second telescopic link 20, second telescopic link 20 passes through bolt and crossbeam 11 fixed connection, and then when needs sideslip hoist 9 and crossbeam 11, second cylinder 19 starts simultaneously with first cylinder 17, make second cylinder 19 keep synchronous with first cylinder 17 driven stroke, second cylinder 19 promotes second telescopic link 20 and removes, and then promote crossbeam 11 through second telescopic link 20 and remove, make crossbeam 11 and hoist 9 synchronous motion, and then guarantee to have sufficient power drive when sideslip precast beam 14, and enough stable.
The use method of the beam falling device specifically comprises the following steps:
firstly, mounting the hanging strips 12 on the precast beam 14, starting the motors 21 to enable the two motors 21 to always turn in opposite directions, driving a rotating shaft in a reduction box 22 to rotate by the motors 21, driving a screw rod to rotate through the rotating shaft in the reduction box 22, driving a moving block to move along the length direction of the screw rod by the screw rod, driving a supporting plate 4 to move along the length direction of a cross beam 23, and driving a main beam 1 to move transversely to one side of a support 2 by the supporting plate 4;
secondly, simultaneously starting the first air cylinder 17 and the second air cylinder 19, so that the first air cylinder 17 and the second air cylinder 19 respectively drive the first telescopic rod 18 and the second telescopic rod 20 to drive the winch 9 and the cross beam 11 to move towards the direction far away from the main beam 1;
and thirdly, starting the winch 9, driving the lifting rope 10 to descend by the winch 9, further driving the cross beam 11 to descend by the lifting rope 10, enabling the cross beam 11 to descend the precast beam 14 to a required position, driving the cross beam 11 to ascend by the winch 9 after the beam falls, driving the first telescopic rod 18 and the second telescopic rod 20 to transversely move the winch 9 and the cross beam 11 to an initial position by the first air cylinder 17 and the second air cylinder 19, and simultaneously driving the main beam 1 to transversely move to the initial position by the starting motor 21 to perform next beam falling cycle.
When the invention is used, the bottom end of the main beam 1 is fixedly connected with the supporting disk 4 through the bolt, the bottom end of the supporting disk 4 is connected with the cross beam 23 in a sliding way, two screw rods and the cross beam 23 are arranged in parallel, one end of each screw is rotatably connected with a reduction gearbox 22, the motors 21 are started, so that the two motors 21 always rotate oppositely, the motors 21 drive rotating shafts in the reduction gearboxes 22 to rotate, and then the screw rod is driven to rotate by the rotating shaft in the reduction box 22, so that the screw rod drives the moving block to move along the length direction of the screw rod, thereby driving the supporting disk 4 to move along the length direction of the cross sliding beam 23, so that the supporting disk 4 drives the main beam 1 to move transversely, during the girder falling process, by further enabling the main girder 1 to be used as a counter weight during the erection process of the precast girders 14 during the girder falling process, the supporting legs 5 on the two sides of the portal frame are stressed more evenly, the stability of the supporting legs 5 is improved, and the beam falling safety is improved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a girder installation that falls is dodged in crossing sideslip of frame bridge crane which characterized in that includes: the device comprises a main beam (1), a supporting plate (4), supporting legs (5), hydraulic cylinders (6), a supporting frame (8), a hanging strip (12), a first cylinder (17), a first telescopic rod (18), a second cylinder (19), a second telescopic rod (20), a motor (21) and a transverse moving beam (23), wherein the bottom end of the main beam (1) is fixedly connected with the supporting plate (4) through bolts, the bottom end of the supporting plate (4) is connected with the transverse moving beam (23) in a sliding mode, the transverse moving beam (23) is fixedly connected with a support (2) through bolts, a plurality of moving blocks are symmetrically arranged at the bottom end of the supporting plate (4), the plurality of moving blocks are fixedly connected with the supporting plate (4) through bolts, the plurality of moving blocks are movably connected with screws through threaded holes of the moving blocks, the number of the screws is two, the two screws are arranged in parallel, one end of the reduction gearbox (22) is rotatably connected with a motor (21), the reduction gearbox (22) is fixedly connected with the bracket (2) through a bolt, make two reducing gear boxes (22) with the central line symmetry setting of support (2), the top of support frame (8) is provided with hoist engine (9), bolt and fixed plate fixed mounting are passed through to the bottom of hoist engine (9), fixed plate and support frame (8) sliding connection, gusset and first telescopic link (18) fixed mounting are passed through to the one end of fixed plate, first telescopic link (18) and first cylinder (17) swing joint, bolt and support frame (8) fixed connection are passed through in first cylinder (17), the one end movable mounting of hoist engine (9) has lifting rope (10), lifting rope (10) and crossbeam (11) fixed connection, the one end fixed mounting of crossbeam (11) has suspender (12) that are used for hoist and mount precast beam (14).
2. The cross-sliding avoidance beam falling device of the bridge erecting machine as claimed in claim 1, wherein two ends of the support (2) are symmetrically provided with the supporting legs (5), and the top ends and the bottom ends of the supporting legs (5) are respectively fixedly connected with the supporting frame (8) and the support (2) through the supporting base (3).
3. The cross-sliding avoidance beam falling device of the bridge erecting machine according to claim 1, wherein a protective frame (16) is fixedly mounted at the top end of the support frame (8) through bolts, and a pier (15) for supporting is arranged at the bottom end of the support frame (2).
4. The cross-sliding avoiding beam-falling device of the bridge girder erection machine as claimed in claim 1, wherein one end of the supporting leg (5) is provided with a hydraulic cylinder (6), the top end of the hydraulic cylinder (6) is movably connected with the supporting frame (8) through a hinge, the bottom end of the hydraulic cylinder (6) is movably connected with a push rod (7), the bottom end of the push rod (7) is movably connected with a mounting base (13), and the mounting base (13) is fixedly connected with the bracket (2) through a bolt.
5. The cross-sliding avoidance beam falling device of the bridge erecting machine according to claim 1, wherein a second cylinder (19) is arranged at one end of the cross beam (11), the second cylinder (19) is fixedly connected with the supporting leg (5) through a bolt, a second telescopic rod (20) is movably connected at one end of the second cylinder (19), and the second telescopic rod (20) is fixedly connected with the cross beam (11) through a bolt.
6. A beam falling method of a cross-sliding avoidance beam falling device of a bridge girder erection machine is characterized by comprising the following steps:
firstly, mounting the hanging strips (12) on a precast beam (14), starting the motors (21) to enable the two motors (21) to always turn in opposite directions, driving a rotating shaft in a reduction gearbox (22) to rotate by the motors (21), further driving a screw rod to rotate through the rotating shaft in the reduction gearbox (22), enabling the screw rod to drive a moving block to move along the length direction of the screw rod, further driving a supporting plate (4) to move along the length direction of a cross-sliding beam (23), and enabling the supporting plate (4) to drive a main beam (1) to transversely move to one side of a support (2);
secondly, simultaneously starting a first cylinder (17) and a second cylinder (19) to enable the first cylinder (17) and the second cylinder (19) to respectively drive a first telescopic rod (18) and a second telescopic rod (20) to drive a winch (9) and a cross beam (11) to move towards a direction far away from the main beam (1);
and thirdly, starting the winch (9), driving the lifting rope (10) to descend by the winch (9), further driving the cross beam (11) to descend by the lifting rope (10), enabling the cross beam (11) to descend the precast beam (14) to a required position, driving the cross beam (11) to ascend by the winch (9) after the beam falls, driving the first telescopic rod (18) and the second telescopic rod (20) to transversely move the winch (9) and the cross beam (11) to an initial position by the first air cylinder (17) and the second air cylinder (19), and simultaneously driving the main beam (1) to transversely move to the initial position by the starting motor (21) to carry out next beam falling circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910984193.1A CN110593131A (en) | 2019-10-16 | 2019-10-16 | Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910984193.1A CN110593131A (en) | 2019-10-16 | 2019-10-16 | Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593131A true CN110593131A (en) | 2019-12-20 |
Family
ID=68867601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910984193.1A Pending CN110593131A (en) | 2019-10-16 | 2019-10-16 | Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110593131A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309001A (en) * | 2021-06-15 | 2021-08-27 | 中交二公局萌兴工程有限公司 | Bridge girder erection machine for erecting small-radius bridge |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579018A (en) * | 1991-09-18 | 1993-03-30 | P S Co Ltd | Bridge girder laying device |
| JPH0959930A (en) * | 1995-08-18 | 1997-03-04 | P S Co Ltd | Bridge girder construction method and device thereof |
| CN201485790U (en) * | 2009-07-29 | 2010-05-26 | 秦皇岛天业通联重工股份有限公司 | Balanced single-nose bridge girder erection machine |
| CN201817777U (en) * | 2010-06-30 | 2011-05-04 | 安徽省中冶重工机械有限公司 | Cantilever crane structure of highway bridge erecting machine |
| CN204185778U (en) * | 2014-10-22 | 2015-03-04 | 中铁十一局集团第六工程有限公司 | The assembled Bridge Erector of a kind of light-duty little curved segments |
| CN205804190U (en) * | 2016-07-07 | 2016-12-14 | 青岛亿联集团股份有限公司 | A kind of travelling bridge for the guardrail construction that builds a bridge |
| CN206635657U (en) * | 2017-03-06 | 2017-11-14 | 秦皇岛天业通联重工科技有限公司 | A kind of symmetrical formula Bridge Erector of setting a roof beam in place |
| CN107354871A (en) * | 2017-08-11 | 2017-11-17 | 中国水利水电第七工程局有限公司 | A kind of precast beam is traversing and vertical fall girder apparatus and falls beam method |
| CN207363678U (en) * | 2017-11-01 | 2018-05-15 | 山西路桥建设集团有限公司 | A kind of tunnel construction trolley horizontal mobile device |
| CN108532717A (en) * | 2018-04-23 | 2018-09-14 | 哈尔滨共阳科技咨询有限公司 | A kind of constructional engineering mud culvert pipe laying apparatus |
| CN108547365A (en) * | 2018-04-23 | 2018-09-18 | 哈尔滨共阳科技咨询有限公司 | A kind of arc head clamp towards cement culvert pipe laying apparatus |
| CN208533366U (en) * | 2018-07-10 | 2019-02-22 | 陕汽大同专用汽车有限公司 | A kind of adjustable counter weight device of bridge inspection vehicle |
| CN110254202A (en) * | 2019-07-29 | 2019-09-20 | 西北农林科技大学 | A kind of electric tractor gravity adjusting device |
| CN211200093U (en) * | 2019-10-16 | 2020-08-07 | 合肥正浩机械科技有限公司 | Beam falling device is dodged in crossing sideslip of frame bridge crane |
-
2019
- 2019-10-16 CN CN201910984193.1A patent/CN110593131A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579018A (en) * | 1991-09-18 | 1993-03-30 | P S Co Ltd | Bridge girder laying device |
| JPH0959930A (en) * | 1995-08-18 | 1997-03-04 | P S Co Ltd | Bridge girder construction method and device thereof |
| CN201485790U (en) * | 2009-07-29 | 2010-05-26 | 秦皇岛天业通联重工股份有限公司 | Balanced single-nose bridge girder erection machine |
| CN201817777U (en) * | 2010-06-30 | 2011-05-04 | 安徽省中冶重工机械有限公司 | Cantilever crane structure of highway bridge erecting machine |
| CN204185778U (en) * | 2014-10-22 | 2015-03-04 | 中铁十一局集团第六工程有限公司 | The assembled Bridge Erector of a kind of light-duty little curved segments |
| CN205804190U (en) * | 2016-07-07 | 2016-12-14 | 青岛亿联集团股份有限公司 | A kind of travelling bridge for the guardrail construction that builds a bridge |
| CN206635657U (en) * | 2017-03-06 | 2017-11-14 | 秦皇岛天业通联重工科技有限公司 | A kind of symmetrical formula Bridge Erector of setting a roof beam in place |
| CN107354871A (en) * | 2017-08-11 | 2017-11-17 | 中国水利水电第七工程局有限公司 | A kind of precast beam is traversing and vertical fall girder apparatus and falls beam method |
| CN207363678U (en) * | 2017-11-01 | 2018-05-15 | 山西路桥建设集团有限公司 | A kind of tunnel construction trolley horizontal mobile device |
| CN108532717A (en) * | 2018-04-23 | 2018-09-14 | 哈尔滨共阳科技咨询有限公司 | A kind of constructional engineering mud culvert pipe laying apparatus |
| CN108547365A (en) * | 2018-04-23 | 2018-09-18 | 哈尔滨共阳科技咨询有限公司 | A kind of arc head clamp towards cement culvert pipe laying apparatus |
| CN208533366U (en) * | 2018-07-10 | 2019-02-22 | 陕汽大同专用汽车有限公司 | A kind of adjustable counter weight device of bridge inspection vehicle |
| CN110254202A (en) * | 2019-07-29 | 2019-09-20 | 西北农林科技大学 | A kind of electric tractor gravity adjusting device |
| CN211200093U (en) * | 2019-10-16 | 2020-08-07 | 合肥正浩机械科技有限公司 | Beam falling device is dodged in crossing sideslip of frame bridge crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309001A (en) * | 2021-06-15 | 2021-08-27 | 中交二公局萌兴工程有限公司 | Bridge girder erection machine for erecting small-radius bridge |
| CN113309001B (en) * | 2021-06-15 | 2023-01-17 | 中交二公局萌兴工程有限公司 | Bridge girder erection machine for erecting small-radius bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211200093U (en) | Beam falling device is dodged in crossing sideslip of frame bridge crane | |
| KR20100033632A (en) | Lifting and moving apparatus temporary structure end segment of bridge and end segment for bridge structure method using the same | |
| CN110004834A (en) | A kind of automatic climbing platform for hanging cable construction | |
| CN110820602A (en) | Single-segment box girder bridge girder erection machine and operation method thereof | |
| CN110593131A (en) | Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof | |
| CN114808747A (en) | Multifunctional bridge girder erection machine and bridge girder erection construction method | |
| CN208533370U (en) | A kind of Bridge Erector of large span steel reinforced concrete combination beam erection construction | |
| CN206359150U (en) | A kind of hanging basket system | |
| CN104110002A (en) | Method for replacing bridge deck slabs of steel truss girder bridge | |
| CN114032773B (en) | Bridge body erection equipment and method | |
| CN212863910U (en) | Multi-functional formula building engineering lifting device | |
| CN110607756B (en) | Connecting structure of main beam and supporting legs of bridge girder erection machine | |
| CN111502294B (en) | Automatic installation method of movable precast concrete wallboard | |
| CN210973610U (en) | Single nose girder descending type beam feeding device | |
| CN113023588A (en) | Ultrahigh viaduct erection hoisting equipment for traffic construction and hoisting method thereof | |
| CN210111479U (en) | Automatic crossing frame | |
| CN210262760U (en) | Handling frame is used in bridge maintenance | |
| CN112482226A (en) | Overhead variable-span length construction method for upstroke movable formwork | |
| CN219260754U (en) | Transverse moving device for erecting prefabricated box girder of spliced wide bridge | |
| CN112726424A (en) | Method for disassembling concrete top plate bottom die after support | |
| CN206956545U (en) | A kind of rail-mounted bridge inspection device | |
| CN108590318B (en) | Construction method of crossing protective equipment and method for crossing construction protection above line | |
| CN220847116U (en) | Rotary type top picking device | |
| CN217499962U (en) | Multifunctional bridge girder erection machine | |
| CN109704058A (en) | A kind of stabilization, reliable pallet hold and migrate equipment and its working method |
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 |