CN208328711U - The pivotal erection crane of steel box girder assembling - Google Patents
The pivotal erection crane of steel box girder assembling Download PDFInfo
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- CN208328711U CN208328711U CN201820801416.7U CN201820801416U CN208328711U CN 208328711 U CN208328711 U CN 208328711U CN 201820801416 U CN201820801416 U CN 201820801416U CN 208328711 U CN208328711 U CN 208328711U
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- main truss
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- erection crane
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 23
- 238000004873 anchoring Methods 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model provides a kind of pivotal erection crane of steel box girder assembling, can be realized accurate assembled docking after the skyborne 90 ° of plane swivels of steel box-girder.A kind of pivotal erection crane of steel box girder assembling, including running gear, main truss system, lifting system and anchor system, main truss system is arranged on having installed steel box-girder, the bottom of main truss system is running gear, the top of main truss system is lifting system, it is equipped with vertical shift between main truss system and lifting system and adjusts system, lifting system is equipped with revolution suspender.The pivotal erection crane preferred embodiment of steel box girder assembling, running gear includes pushing cylinder, track, slide and left-hand thread mechanism, track is arranged below main truss system, track is equipped with slide engaged therewith, the front end of cylinder is pushed to connect with slide, cylinder rear end is pushed to connect with track, left-hand thread mechanism top is mounted on main truss System Back-end by pin shaft, and lower part passes through side contacts outside idler wheel and the track edge of a wing.
Description
Technical field
The utility model relates to a kind of erection cranes, and in particular to a kind of pivotal erection crane of steel box girder assembling,
Belong to traffic engineering technical field.
Background technique
With the continuous development of bridge technology, bridge span constantly increases, and steel box-girder is due to environmental protection, good economy performance, weight
Gently, stress performance is good and the first choice as large span stayed-cable bridge.The installation of stayed-cable bridge steel box-girder in the prior art
Generally use two schemes: scheme one is installed using large lifting equipment (crane barge or Terrain Cranes) cooperation bracket, this programme
At high cost, harsh to surface condition requirement and large lifting equipment place and tonnage condition, which are limited, can not be applied to large-tonnage steel case
Beam and the project construction for crossing over mountain valley and big vast flood area；Scheme two carries out free cantilever erection using erection crane, and this programme safely may be used
Lean on, good economy performance and construction efficiency it is high, but steel box-girder can not be carried out 90 ° of rotations and loop wheel machine row by erection crane in the prior art
Walk that process stationarity is poor, there are certain security risks.
Utility model content
The utility model aim can be realized steel case there is provided a kind of pivotal erection crane of steel box girder assembling
Accurate assembled docking after the skyborne 90 ° of plane swivels of beam.
To achieve the above object, the utility model is achieved through the following technical solutions:
A kind of pivotal erection crane of steel box girder assembling, including running gear, main truss system, lifting system and anchor
Gu system, main truss system is arranged on having installed steel box-girder, and the bottom of main truss system is running gear, and the top of main truss system is
Lifting system is equipped with vertical shift and adjusts system between main truss system and lifting system, lifting system is equipped with revolution suspender.
The pivotal erection crane preferred embodiment of steel box girder assembling, running gear include pushing cylinder, track, slide and anti-
Buckle mechanism, track are arranged below main truss system, and track is equipped with slide engaged therewith, and the front end of cylinder and slide is pushed to connect
Connect, cylinder rear end pushed connect with track, left-hand thread mechanism top is mounted on main truss System Back-end by pin shaft, lower part pass through idler wheel and
Side contacts outside the track edge of a wing.
The pivotal erection crane preferred embodiment of steel box girder assembling, anchor system include the rear fulcrum anchor lifted under operating condition
Gu the track anchoring mechanism under mechanism and vertical shift operating condition；Rear fulcrum anchoring mechanism is plate welding structure, the upper end and main truss system
Rear end unite by pin shaft connection, lower end is connect with the fixed ear base on steel box-girder by rear fulcrum anchoring mechanism pin shaft；Track anchor
Gu mechanism is linked together track and the fixed ear base on steel box-girder using track anchoring mechanism pin shaft.
The pivotal erection crane preferred embodiment of steel box girder assembling, lifting system include the hoist engine on overhead traveling crane,
The wirerope of hoist engine is connect with revolution suspender, and revolution suspender lower part is connect by hanger with steel box-girder to be installed.
The pivotal erection crane preferred embodiment of steel box girder assembling, it includes for driving overhead traveling crane opposite that vertical shift, which adjusts system,
The vertical shift cylinder of main truss system longitudinal movement, vertical shift cylinder cylinder body are connect with main truss system, and the piston end of vertical shift cylinder is connect with overhead traveling crane.
The pivotal erection crane preferred embodiment of steel box girder assembling, main truss system include two pairs of Rhombic Truss, two pairs of water chestnuts
It is attached between shape truss transverse direction by multiple adjustable screw rods and horizontal-associate bar, adjustable screw rod and Rhombic Truss are connected by pin shaft
It connects, horizontal-associate bar is connect with Rhombic Truss by high-strength bolt；Rhombic Truss includes upper and lower cross tube and sheer pole disposed in parallel,
Cross tube front end is connected with sheer pole front end by forward press, and cross tube rear end is connected with sheer pole rear end by back stay, and
It is equipped with upright bar between cross tube rear end and sheer pole front end, is connected between each rod piece of Rhombic Truss by pin shaft or high-strength bolt；
A piece lateral support bar is respectively set on the outside of Rhombic Truss.
Utility model has the advantages that
1, easy to operate: main truss system structure is Rhombic Truss, and structure is simple, easy to operate；
2, construction efficiency is high: lifting system is fast winch driving, and lifting process is steadily efficient, and vertical shift adjustment system is adopted
With full hydraulic drive, walking process is steadily reliable, greatly improves the construction efficiency of steel box-girder installation；
3, good economy performance: equipment self-weight is alleviated by optimization design, while compared with traditional Support Method mount scheme
A large amount of economic costs are saved；
4, adaptability is high: requiring low energy to adapt to the steel box girder assembling across valley or river surface condition, has three-dimensional position
Fine tuning is moved, accurate assembled docking after the skyborne 360 ° of plane swivels of steel box-girder is can be realized, has extremely strong adaptability.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the pivotal erection crane side view one of steel box girder assembling；
Fig. 2 is the pivotal erection crane side view two of steel box girder assembling；
Fig. 3 is the pivotal erection crane partial view of steel box girder assembling；
Fig. 4 is the pivotal erection crane front view of steel box girder assembling；
Fig. 5 is the pivotal erection crane rear fulcrum anchoring mechanism partial view of steel box girder assembling；
Fig. 6 is steel box girder assembling pivotal erection crane left-hand thread mechanism partial view.
Wherein, 1. main truss system；2. lifting system；3. running gear；4. anchor system；1-1. cross tube；It is horizontal under 1-2.
Bar；1-3. forward press；1-4. back stay；1-5. upright bar；1-6. horizontal-associate bar；1-7. is adjustable screw rod；1-8. lateral support
Bar；2-1. hoist engine；2-2. overhead traveling crane；2-3. wirerope；2-4. turns round suspender；2-5. hanger；3-1. track；3-2. slide；3-
3. left-hand thread mechanism；3-4. oil cylinder；3-5. track connects pin shaft；3-6. jack；4-1. rear fulcrum anchoring mechanism；4-2. track anchor
Gu mechanism pin shaft；4-3. rear fulcrum anchoring mechanism pin shaft；4-4. steel box-girder fixed ear base.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
With reference to Fig. 1, a kind of pivotal erection crane of steel box girder assembling, including running gear 3, main truss system 1, promotion
System 2 and anchor system 4, main truss system 1 are arranged on mounted steel box-girder 6, and the bottom of main truss system 1 is running gear
2, the top of main truss system 1 is lifting system 2, and vertical shift is equipped between main truss system 1 and lifting system 2 and adjusts system, promotes system
System is equipped with revolution suspender 2-4.
With reference to Fig. 2, Fig. 3, Fig. 4, main truss system 1 includes two pairs of Rhombic Truss, is passed through between two pairs of Rhombic Truss transverse directions more
A adjustable screw rod 1-7 and horizontal-associate bar 1-6 are attached, and adjustable screw rod 1-7 is connect with Rhombic Truss 1 by pin shaft, horizontal-associate bar 1-6
It is connect with Rhombic Truss by high-strength bolt；Rhombic Truss includes upper and lower cross tube 1-1 and sheer pole 1-2 disposed in parallel, on
The front end cross bar 1-1 is connected with the front end sheer pole 1-2 by forward press 1-3, and the rear end cross tube 1-1 and the rear end sheer pole 1-2 pass through
Back stay 1-4 connection, and between the rear end cross tube 1-1 and the front end sheer pole 1-2 be equipped with upright bar 1-5, each rod piece of Rhombic Truss it
Between connected by pin shaft or high-strength bolt；A piece lateral support bar 1-8 is respectively set on the outside of Rhombic Truss, prevents Rhombic Truss in steel
Lateral twisting occurs in box beam hoisting process, lateral support bar 1-8 is adjustable screw rod.
With reference to Fig. 2, lifting system includes the hoist engine 2-1 on the overhead traveling crane 2-2, the wirerope 2-3 of hoist engine 2-1 with return
Steel box-girder can be carried out plane 360-degree turn in space by rotary lifting 2-4 connection, revolution suspender 2-4, and the revolution lower part suspender 2-4 is logical
Hanger 2-5 is crossed to connect with steel box-girder to be installed.
With reference to Fig. 3, running gear includes pushing cylinder 3-4, track 3-1, slide 3-2 and left-hand thread mechanism, and track 3-1 setting exists
1 lower section of main truss system, track 3-1 are equipped with slide 3-2 engaged therewith, push the front end of cylinder 3-4 to connect with slide 3-2, push away
The dynamic rear end cylinder 3-4 is connect with track 3-1, and the top left-hand thread mechanism 3-3 is mounted on 1 rear end of main truss system by pin shaft, and lower part passes through
Side contacts outside idler wheel 7 and the edge of a wing track 3-1 prevent steel box girder assembling with can return for providing erection crane rear fulcrum left-hand thread power
Recurrence is crossed because of headend equipment during rotatable erection crane vertical shift to topple.
Referring to attached drawing 5 and Fig. 6, anchor system 4 includes under rear fulcrum anchoring mechanism 4-1 and vertical shift operating condition under lifting operating condition
Track anchoring mechanism；Rear fulcrum anchoring mechanism 4-1 is plate welding structure, is prevented in steel box-girder hoisting process because of Rhombic Truss
Front end stress is excessive to cause complete machine to be toppled, the upper end is connect with 1 rear end of main truss system by pin shaft, on lower end and steel box-girder
Fixed ear base 4-4 passes through rear fulcrum anchoring mechanism pin shaft 4-3 connection；Track anchoring mechanism uses track anchoring mechanism pin shaft 4-2
Track 3-1 and the fixed ear base 4-4 on steel box-girder are linked together, for preventing front end during complete machine vertical shift to be self-possessed
It topples greatly.
With reference to Fig. 1, vertical shift adjustment system includes for driving overhead traveling crane 2-2 with respect to the vertical shift cylinder that main truss system 1 vertically moves
5,5 cylinder body of vertical shift cylinder is connect with main truss system 1, and the piston end of vertical shift cylinder 5 is connect with overhead traveling crane 2-2, whole for providing erection crane
The driving force of machine vertical shift, complete machine walking process all-hydraulic control, reduces the labor intensity of worker.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. the pivotal erection crane of a kind of steel box girder assembling, it is characterized in that: including running gear, main truss system, promoting system
System and anchor system, main truss system are arranged on having installed steel box-girder, and the bottom of main truss system is running gear, main truss system
Top be lifting system, between main truss system and lifting system be equipped with vertical shift adjust system, lifting system be equipped with revolution hang
Have (2-4).
2. the pivotal erection crane of steel box girder assembling according to claim 1, it is characterized in that: running gear includes
Cylinder (3-4), track (3-1), slide (3-2) and left-hand thread mechanism (3-3) are pushed, track (3-1) is arranged under main truss system (1)
Side, track (3-1) are equipped with slide engaged therewith (3-2), and the front end of cylinder (3-4) is pushed to connect with slide (3-2), push cylinder
The rear end (3-4) is connect with track (3-1), and the left-hand thread mechanism top (3-3) is mounted on main truss system (1) rear end, lower part by pin shaft
Pass through side contacts outside idler wheel (7) and the edge of a wing track (3-1).
3. the pivotal erection crane of steel box girder assembling according to claim 1, it is characterized in that: anchor system (4) wraps
Include the track anchoring mechanism under the rear fulcrum anchoring mechanism (4-1) and vertical shift operating condition under lifting operating condition；Rear fulcrum anchoring mechanism (4-
It 1) is plate welding structure, the upper end is connect with main truss system (1) rear end by pin shaft, the fixed ear base on lower end and steel box-girder
(4-4) is connected by rear fulcrum anchoring mechanism pin shaft (4-3)；Track anchoring mechanism will using track anchoring mechanism pin shaft (4-2)
Track (3-1) links together with the fixed ear base (4-4) on steel box-girder.
4. the pivotal erection crane of steel box girder assembling according to claim 1, it is characterized in that: lifting system includes
The wirerope of hoist engine (2-1) on overhead traveling crane (2-2), hoist engine (2-1) is connect with revolution suspender (2-4), turns round suspender
The lower part (2-4) is connect by hanger (2-5) with steel box-girder to be installed.
5. the pivotal erection crane of steel box girder assembling according to claim 4, it is characterized in that: vertical shift adjusts system
Including for driving overhead traveling crane (2-2) with respect to the vertical shift cylinder (5) of main truss system (1) longitudinal movement, vertical shift cylinder (5) cylinder body and main truss system
System (1) connection, the piston end of vertical shift cylinder (5) are connect with overhead traveling crane (2-2).
6. the pivotal erection crane of steel box girder assembling according to any one of claims 1 to 5, it is characterized in that: main truss
System (1) includes two pairs of Rhombic Truss, passes through multiple adjustable screw rods (1-7) and horizontal-associate bar (1- between two pairs of Rhombic Truss transverse directions
6) it is attached, adjustable screw rod (1-7) is connect with Rhombic Truss by pin shaft, and horizontal-associate bar (1-6) passes through high-strength with Rhombic Truss
It is bolted；Rhombic Truss includes upper and lower cross tube (1-1) disposed in parallel and sheer pole (1-2), the cross tube front end (1-1) with
The sheer pole front end (1-2) is connected by forward press (1-3), and the cross tube rear end (1-1) and the rear end sheer pole (1-2) pass through back stay
(1-4) connection, and it is equipped with upright bar (1-5) between the cross tube rear end (1-1) and the front end sheer pole (1-2), each rod piece of Rhombic Truss
Between connected by pin shaft or high-strength bolt；A piece lateral support bar (1-8) is respectively set on the outside of Rhombic Truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801416.7U CN208328711U (en) | 2018-05-28 | 2018-05-28 | The pivotal erection crane of steel box girder assembling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820801416.7U CN208328711U (en) | 2018-05-28 | 2018-05-28 | The pivotal erection crane of steel box girder assembling |
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| CN208328711U true CN208328711U (en) | 2019-01-04 |
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| CN201820801416.7U Active CN208328711U (en) | 2018-05-28 | 2018-05-28 | The pivotal erection crane of steel box girder assembling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589549A (en) * | 2018-05-28 | 2018-09-28 | 山东省路桥集团有限公司 | The pivotal erection crane of steel box girder assembling |
| CN112320584A (en) * | 2020-10-30 | 2021-02-05 | 中铁一局集团有限公司 | Three-dimensional bridge deck crane for steel box girder and steel box girder hoisting method |
-
2018
- 2018-05-28 CN CN201820801416.7U patent/CN208328711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589549A (en) * | 2018-05-28 | 2018-09-28 | 山东省路桥集团有限公司 | The pivotal erection crane of steel box girder assembling |
| CN112320584A (en) * | 2020-10-30 | 2021-02-05 | 中铁一局集团有限公司 | Three-dimensional bridge deck crane for steel box girder and steel box girder hoisting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250014 no.14677, Jingshi Road, Lixia District, Jinan City, Shandong Province Patentee after: SHANDONG LUQIAO GROUP Co.,Ltd. Country or region after: China Patentee after: Shandong highway and Bridge Construction Group Co.,Ltd. Address before: 250021 330 Jingwu Road, Huaiyin District, Jinan City, Shandong Province Patentee before: SHANDONG LUQIAO GROUP Co.,Ltd. Country or region before: China Patentee before: SHANDONG HIGHWAY & BRIDGE CONSTRUCTION Co.,Ltd. |
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| CP03 | Change of name, title or address |