CN109024291A - A kind of integration Bridge Erector and its working method - Google Patents
A kind of integration Bridge Erector and its working method Download PDFInfo
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- CN109024291A CN109024291A CN201810883639.7A CN201810883639A CN109024291A CN 109024291 A CN109024291 A CN 109024291A CN 201810883639 A CN201810883639 A CN 201810883639A CN 109024291 A CN109024291 A CN 109024291A
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- 230000010354 integration Effects 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 10
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 40
- 238000010276 construction Methods 0.000 claims description 23
- 238000005304 joining Methods 0.000 claims description 12
- 230000006870 function Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention discloses a kind of integrated Bridge Erectors, it include: main couple, front leg strut, preceding auxiliary leg, preceding load-bearing supporting leg, rear load-bearing supporting leg, auxiliary leg and drive system afterwards, front leg strut fixed hinge is in the front end of main couple, the lower part of front leg strut is by an outrigger station in one end of cushion cap, the rear portion of outrigger is pulled in outrigger above cushion cap by pre-buried fining twisted steel, preceding load-bearing supporting leg is set to the rear of front leg strut, preceding auxiliary leg fixed hinge is in the rear end of preceding load-bearing supporting leg, the rear load-bearing supporting leg is set to the rear of preceding auxiliary leg, auxiliary leg is set to the rear of rear load-bearing supporting leg after described, main couple is equipped with overhead traveling crane, hoisting overhead travelling crane, suspender and cross moving track, overhead traveling crane, hoisting overhead travelling crane, suspender is set to the upper surface of main couple, the cross moving track is set to the lower section of main couple；It can prefabricated pier stud, prefabricated bent cap, precast bridge be carried out while be set up, greatly improves its working efficiency, while reducing the pollution to surrounding enviroment by the present invention.
Description
Technical field
The invention belongs to the technical field that builds a bridge, in particular to a kind of integrated Bridge Erector and its working method.
Background technique
With the rapid development of social economy, people's lives condition and quality of life are all in the continuous improvement, same with this
When the either production of enterprise or people's lives all gradually realize modernization and intelligence, building trade is also such.
It is known that traditional bridge construction, is to consign the materials such as cement to building site to carry out site operation mostly, pours at the construction field (site)
It builds and not only land occupation is required, while also the environment on periphery can be polluted and be damaged, and tooling environment is more severe, by day
Gas influence is more, and construction is slow, seriously affects the duration, increases the labour cost of construction.
Summary of the invention
Goal of the invention: in order to overcome the above deficiency, the object of the present invention is to provide a kind of integrated Bridge Erector, structure letters
Single, design rationally, is made up of main couple, front leg strut, preceding auxiliary leg, preceding load-bearing supporting leg, rear load-bearing supporting leg and drive system
Bridge Erector allows it to transport and install prefabricated column and bent cap, passes through Bridge Erector by mutual cooperation
Prefabricated workpiece is placed into designated position, workpiece is concentrated on into some factory and is processed, the ring to bridge periphery is avoided
Border pollutes.
Technical solution: to achieve the goals above, the present invention provides main couple, front leg strut, preceding auxiliary leg, preceding load-bearing
Supporting leg, rear load-bearing supporting leg, rear auxiliary leg and drive system, the front leg strut fixed hinge are and described in the front end of main couple
By an outrigger station in one end of cushion cap, the rear portion of the outrigger to choose by pre-buried fining twisted steel for the lower part of front leg strut
Beam is pulled in above cushion cap, and the preceding load-bearing supporting leg is set to the rear of front leg strut, and the preceding auxiliary leg fixed hinge is in preceding load-bearing
The rear end of supporting leg, the rear load-bearing supporting leg are set to the rear of preceding auxiliary leg, and the rear auxiliary leg is set to rear load-bearing supporting leg
Rear, and the main couple is equipped with overhead traveling crane, hoisting overhead travelling crane, suspender and cross moving track, the overhead traveling crane, hoisting overhead travelling crane, suspender
Set on the upper surface of main couple, the cross moving track is set to the lower section of main couple；
One group of support leg hydraulic system, crown block hydraulic system and sling hydraulic pressure system, the supporting leg liquid are equipped in the drive system
One group of jacking cylinder and hydraulic station are equipped in pressure system, the front leg strut, preceding auxiliary leg are equipped with supporting leg on preceding load-bearing supporting leg
Hydraulic system, the crown block hydraulic system are connect with hoisting overhead travelling crane, and the sling hydraulic pressure system is connect with suspender, the supporting leg liquid
Pressure system, crown block hydraulic system and sling hydraulic pressure system are connect with control device.
A kind of heretofore described integrated Bridge Erector, passes through main couple, front leg strut, preceding auxiliary leg, preceding load-bearing branch
Leg, rear load-bearing supporting leg and drive system constitute Bridge Erector, by mutual cooperation, allow it can be simultaneously to prefabricated pier
Column, prefabricated bent cap, precast bridge are set up, and prefabricated workpiece are placed into designated position by Bridge Erector, by workpiece collection
In processed in some factory, avoid the environment to bridge periphery from polluting, while realizing that workpiece is prefabricated and making it real
Existing all multi-work pieces are processed simultaneously, and speed is fast, effective to save the construction time, effective to shorten the construction time limit, thus effectively
Reduction construction cost, and then it is allowed to better meet the demand of construction.
It is equipped with one group of truss and lateral in heretofore described main couple, is connected between the truss by lateral, it is described
It is covered with the rail for overhead traveling crane walking above lateral, is covered with the elongated track for walking below, the side of the truss is set to
Overhead traveling crane is powered sliding rail, and the centre of the main couple is covered with expanded metal lath, and before, during and after passing through between the main couple horizontal-associate and
Diagonal brace is connected.Overhead traveling crane can be also convenient for simultaneously in upper walking convenient for the handling to workpiece for the setting of the main couple
Pedestrian's normal ambulation.
Heretofore described front leg strut uses the supporting leg with multi-stage expansion function, is provided with one group of supporting leg column and rotation
Turn oil cylinder, is connected between the supporting leg column by horizontal-associate, and the top of two supporting leg columns is connected by crossbeam, two supporting leg
It is equipped with platform between the lower part of column, is connected between the platform and supporting leg column by pin shaft, the jacking cylinder is set to branch
The lower section of leg column, and the both ends of the crossbeam are connect by connecting free bearing with main couple, the rotary oil cylinder, which is set to, to be located at greatly
In supporting leg column below beam, and the lower section at the crossbeam both ends is equipped with hoisting mechanism.The front leg strut just has multi-stage expansion function
The supporting leg of energy has retractility big and the design of the superelevation front leg strut of large carrying capacity, it can be carried out according to the actual situation
The adjustment of height meets the construction requirement on the ground that upward slope, descending and height rise and fall convenient for it.
It is equipped with one group of column in heretofore described supporting leg column, is equipped with top between two columns of supporting leg column lower part
Oil-lifting jar, the outside of the lift cylinder are equipped with interior telescopic, and the outside of the interior telescopic is equipped with external extension set connection, and logical
It crosses and connects electronic guide chain and interior telescopic and external extension set connection.The setting of the column provides power by jacking cylinder,
Under the driving of jacking cylinder, interior telescopic and external extension set cooperate, and allow column to realize flexible, while also allowing which reduce hang
The use of machine, saves construction cost.
In heretofore described preceding auxiliary leg be equipped with support beam, lower pillar stand and upper pillar stand, the support beam it is upper
Side is equipped with support free bearing, and the lower pillar stand is installed on above support free bearing, jacking cylinder is equipped in the upper pillar stand, the two passes through
Pin shaft connection, and the upper pillar stand is connect by the lower part of jacking cylinder with lower pillar stand, is connected at the top of the column with jacking cylinder
It connects, the outside of the jacking cylinder is equipped with interior telescopic, and the outside of the interior telescopic is equipped with external extension set, and the main couple
Lower section is equipped with lower joining beam, and the lower joining beam both ends are connect by U-bolt with main couple, and the upper pillar stand passes through trapezoidal fixation
Plate is connect with lower joining beam.The preceding auxiliary leg controls the height of interior telescopic and external extension set by jacking cylinder, thus
It is allowed to better meet the needs of construction.
Supporting beam and crossbeam are equipped in heretofore described preceding load-bearing supporting leg, the lower section of the supporting beam is equipped with bridge pier, institute
The top that crossbeam is set to supporting beam is stated, and is equipped with one group of adjustment frame above the crossbeam, the adjustment frame passes through end wall bracket and master
Truss connection, and pass through the top of anchor and preceding load-bearing supporting leg in the transverse direction of the main couple and end wall bracket junction
Connection.It is equipped with one group of supporting leg in heretofore described adjustment frame, adjustment section column and basic section column, institute are equipped in the supporting leg
The top that adjustment section column is installed on basic section column is stated, the basic section column is installed on the top of crossbeam, and the adjustment
It saves and is equipped with guide post in column, the outside of the guide post is equipped with telescopic, and adjustment support, the adjustment branch are equipped at the top of the guide post
Preceding turntable is equipped in seat, the top of the adjustment support is equipped with lower bracket, and the top of the lower bracket is equipped with one group of vertical shift mechanism,
Two vertical shift mechanisms are relatively oppositely arranged, and the top of the vertical shift mechanism is equipped with hair hanging platform vehicle, and flexible drive is equipped between two supporting legs
Motivation structure, before the top of the telescoping drive mechanism is installed on turntable.The setting of the preceding load-bearing supporting leg, allows it to play very well
Supporting role, while can also jack Bridge Erector, and drive Bridge Erector Forward via hole and traversing, convenient for construction, be mentioned to construction
Many conveniences are supplied, at the same time, by being provided with adjustment frame, when adjustment section column passes through cylinder jacking guide post in telescopic
Interior sliding realizes that height adjusts, and puts on pin shaft after being adjusted in place and fixes, and oil cylinder is not bearing load, stops working；Assuming that last
Tearing basic section column open when one hole can guarantee abutment on preceding load-bearing supporting leg, also when encountering Longspan Bridge and deck profile grade is larger
Jacking cylinder and adjustment section column must be removed together.Vertical shift mechanism can rely on oneself walking, and load-bearing supporting leg is on nose girder before realizing
Longitudinal movement and main couple via hole longitudinal movement, when setting a roof beam in place operation, front leg strut is locked by vertical shift mechanism and vertical nose girder, supporting leg
On preceding turntable be equipped with jack connecting hole, in complete machine via hole, have jack by supporting leg and the good workpiece of frame simultaneously by front fulcrum top
Jail.
Track is equipped in heretofore described rear load-bearing supporting leg, the top of the track is equipped with transverse-moving trolley, described traversing
The top of trolley is equipped with transverse-moving trolley crossbeam, and the both ends of the transverse-moving trolley crossbeam are equipped with preceding turntable, the preceding turntable
Top is equipped with lower bracket, and the top of the lower bracket is equipped with rotating device, and the rotating device is sequentially passed through by connecting rod
Lower bracket and preceding turntable, and be bolted to connection, are equipped with one group of vertical shift mechanism in the rotating device, two vertical shift mechanisms it
Between use Opposite direction connection, and the top of the vertical shift mechanism is equipped with hair hanging platform vehicle, and the top of the vertical shift mechanism and upper truss
Connection.The transverse-moving trolley uses double track running truck, and trolley side, which is equipped with shackle plate, may be implemented band cross moving track when via hole
Traveling together is connected by drag link between trolley.
Overhead traveling crane and crane are equipped in heretofore described hoisting overhead travelling crane, wherein cross girders, horizontal vehicle are equipped with away in the overhead traveling crane
Crossbeam and travelling wheel group, the horizontal crossbeam are installed on away the top of cross girders, and the travelling wheel group is installed on away the lower section of cross girders,
And the middle part of the horizontal crossbeam, by supporting free bearing to be fixedly connected with cross girders is walked, the crane is set to the upper of horizontal crossbeam
Side.
The working method of heretofore described integrated Bridge Erector, specific working method are as follows:
1): Bridge Erector is laterally moved to hit exactly first, before front leg strut is supported in the pier top of pier；
2): column being hung to advanced pier, lower box type column to previous overhead traveling crane using overhead traveling crane and hoisting overhead travelling crane；
3): previous overhead traveling crane drives column transverse shifting, advanced pier is advanced to, and column is installed, by column and cushion cap
Anchoring；
4): recycling hoisting overhead travelling crane that bent cap is hung to advanced pier, then previous overhead traveling crane installs bent cap at the top of column；
5): releasing front leg strut and lower section bracket, shrink front leg strut, lift installation T beam using two overhead traveling cranes；
6): traversing Bridge Erector sets up each T beam respectively；
7): being laterally moved to right width after the completion of last a piece of T beam construction and be repeatedly performed above step 1) to 6)；
8): Bridge Erector is laterally moved to hit exactly, and front leg strut and lower section bracket are installed, and prepares via hole；
9): and then jacking rear load-bearing supporting leg, then the pier top that preceding load-bearing supporting leg voluntarily arrives advanced pier is carried out by transverse-moving trolley
Installation；
10): whether the anchoring of load-bearing supporting leg is secured before checking, then packs up front leg strut, Bridge Erector longitudinal traveling forward；
11): and then auxiliary leg before jacking, and rear load-bearing supporting leg passes through transverse-moving trolley voluntarily in place；
12): and then Bridge Erector continues traveling forward, after Bridge Erector traveling in place, equips the construction of next width.
Above-mentioned technical proposal can be seen that the invention has the following beneficial effects:
1, heretofore described a kind of integrated Bridge Erector, by main couple, front leg strut, preceding auxiliary leg, preceding load-bearing supporting leg,
Rear load-bearing supporting leg and drive system constitute Bridge Erector, have erecting pier stud simultaneously, prefabricated bent cap, precast bridge function pier
The Bridge Erector of beam integrative installation technology allows it can be to prefabricated pier stud, prefabricated bent cap, prefabricated bridge by mutual cooperation
Beam is carried out while being set up, and prefabricated workpiece is placed into designated position by Bridge Erector, it is allowed to realize that workpiece concentrates on some
Factory is processed, and the environment to bridge periphery is avoided to pollute, while realizing that workpiece is prefabricated and it is allowed to can be realized all multiplexings
Part is processed simultaneously, and speed is fast, effective to save the construction time, effective to shorten the construction time limit, is applied to effectively reduce
Work cost, and then it is allowed to better meet the demand of construction.
2, it is equipped with one group of column in heretofore described supporting leg column, is equipped between two columns of supporting leg column lower part
Jacking cylinder, the outside of the lift cylinder are equipped with interior telescopic, and the outside of the interior telescopic is equipped with external extension set connection, and
It is connected by connecting electronic guide chain and interior telescopic and external extension set.The setting of the column provides power by jacking cylinder,
Under the driving of jacking cylinder, interior telescopic and external extension set cooperate, and allow column to realize flexible, at the same also allow which reduce
The use of loop wheel machine, saves construction cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated Bridge Erector of the present invention；
Fig. 2 is the sectional view of main couple in the present invention
Fig. 3 is the structural schematic diagram of front leg strut in the present invention；
Fig. 4 is the partial enlarged view of crossbeam in the present invention；
Fig. 5 is the partial enlarged view of supporting leg column lower part in the present invention；
Fig. 6 is the structural schematic diagram that auxiliary leg before A is is schemed in the present invention, and figure B is the side view of preceding auxiliary leg；
Fig. 7 is the structural schematic diagram of preceding load-bearing supporting leg in the present invention；
Fig. 8 is the structural schematic diagram of adjustment frame in preceding load-bearing supporting leg in the present invention；
Fig. 9 is the side view of preceding load-bearing supporting leg in the present invention；
Figure 10 is the attachment structure schematic diagram of front leg strut and cushion cap；
Figure 11 is the structural schematic diagram of rear load-bearing supporting leg；
Figure 12 is partial enlarged view in rear load-bearing supporting leg in the present invention；
Figure 13 is the structural schematic diagram of hoisting overhead travelling crane in the present invention；
Figure 14 is the structural schematic diagram of overhead traveling crane in the present invention；
Figure 15 is the structural schematic diagram of the first suspender in the present invention, wherein figure A is the structural schematic diagram for lifting by crane column；Scheming B is
The side view of column is hung, figure C is the structural schematic diagram for lifting by crane T beam；
Figure 16 is the structural schematic diagram of the second suspender in the present invention；
Figure A in Figure 17 is the schematic diagram for the structure that the second suspender lifts by crane column, and figure B shows for the mechanism that the second suspender lifts by crane T beam
It is intended to.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
Embodiment 1
A kind of integration Bridge Erector as shown in Fig. 1 to 14, comprising: main couple 1, front leg strut 2, preceding auxiliary leg 3, preceding load-bearing branch
Leg 4, rear load-bearing supporting leg 5, rear auxiliary leg 6 and drive system, 2 fixed hinge of front leg strut is in the front end of main couple 1, and institute
The lower part for stating front leg strut 2 passes through 21 station of outrigger in one end of cushion cap 22, and the rear portion of the outrigger 21 passes through pre-buried finish rolling spiral shell
Line steel is pulled in outrigger 21 above cushion cap 22, and the preceding load-bearing supporting leg 4 is set to the rear of front leg strut 2, the preceding auxiliary leg 3
For fixed hinge in the rear end of preceding load-bearing supporting leg 4, the rear load-bearing supporting leg 5 is set to the rear of preceding auxiliary leg 3, assists branch after described
Leg 6 is set to the rear of rear load-bearing supporting leg 5, and the main couple 1 is equipped with overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 and traversing rail
Road 9, the overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 are set to the upper surface of main couple 1, and the cross moving track 9 is set under main couple 1
Side；
One group of support leg hydraulic system 61, crown block hydraulic system 62 are equipped in the drive system, in the support leg hydraulic system 61
Equipped with one group of jacking cylinder and hydraulic station, the front leg strut 2, preceding auxiliary leg 3, to be equipped with supporting leg on preceding load-bearing supporting leg 4 hydraulic
System 61, the crown block hydraulic system 62 are connect with hoisting overhead travelling crane 7, and the support leg hydraulic system 61, crown block hydraulic system 62 are equal
It is connect with control device.
It is equipped with one group of truss 11 and lateral 12 in main couple 1 described in the present embodiment, passes through lateral between the truss 11
12 connections, the top of the lateral 12 are covered with the rail for overhead traveling crane walking, are covered with the elongated track for walking, the purlin below
The side of frame 11 is set to overhead traveling crane power supply sliding rail, and the centre of the main couple 1 is covered with expanded metal lath, and leads between the main couple 1
Horizontal-associate and diagonal brace are connected before, during and after crossing.
Embodiment 2
A kind of integrated Bridge Erector as shown in the figure, comprising: main couple 1, front leg strut 2, preceding auxiliary leg 3, preceding load-bearing supporting leg 4,
Rear load-bearing supporting leg 5, rear auxiliary leg 6 and drive system, 2 fixed hinge of front leg strut in the front end of main couple 1, and it is described before
By 21 station of outrigger in one end of cushion cap 22, the rear portion of the outrigger 21 passes through pre-buried fining twisted steel for the lower part of supporting leg 2
So that outrigger 21 is pulled in above cushion cap 22, the preceding load-bearing supporting leg 4 is set to the rear of front leg strut 2, and the preceding auxiliary leg 3 is fixed
The rear end of load-bearing supporting leg 4 before being articulated with, the rear load-bearing supporting leg 5 are set to the rear of preceding auxiliary leg 3, the rear auxiliary leg 6
Set on the rear of rear load-bearing supporting leg 5, and the main couple 1 is equipped with overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 and cross moving track 9,
The overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 are set to the upper surface of main couple 1, and the cross moving track 9 is set to the lower section of main couple 1；
One group of support leg hydraulic system 61, crown block hydraulic system 62 are equipped in the drive system, in the support leg hydraulic system 61
Equipped with one group of jacking cylinder and hydraulic station, the front leg strut 2, preceding auxiliary leg 3, to be equipped with supporting leg on preceding load-bearing supporting leg 4 hydraulic
System 61, the crown block hydraulic system 62 are connect with hoisting overhead travelling crane 7, and the support leg hydraulic system 61, crown block hydraulic system 62 are equal
It is connect with control device.
It is equipped with one group of truss 11 and lateral 12 in main couple 1 described in the present embodiment, passes through lateral between the truss 11
12 connections, the top of the lateral 12 are covered with the rail for overhead traveling crane walking, are covered with the elongated track for walking, the purlin below
The side of frame 11 is set to overhead traveling crane power supply sliding rail, and the centre of the main couple 1 is covered with expanded metal lath, and leads between the main couple 1
Horizontal-associate and diagonal brace are connected before, during and after crossing.
Front leg strut 2 described in the present embodiment is provided with one group of supporting leg column using the supporting leg with multi-stage expansion function
23 and rotary oil cylinder 10, it is connected by horizontal-associate 24 between the supporting leg column 23, and the top of two supporting leg columns 23 passes through crossbeam
25 connect, and platform 26 is equipped between the lower part of the two supporting legs column 23, passes through pin between the platform 26 and supporting leg column 23
Axis connection, the jacking cylinder is set to the lower section of supporting leg column 23, and the both ends of the crossbeam 25 pass through connection free bearing 251 and master
Truss 1 connects, and the rotary oil cylinder 10 is set in the supporting leg column 23 for being located at 25 lower section of crossbeam, and under 25 both ends of the crossbeam
Side is equipped with hoisting mechanism 252.
One group of column is equipped in supporting leg column described in the present embodiment 23, between two columns of 23 lower part of supporting leg column
Equipped with jacking cylinder, the outside of the lift cylinder is equipped with interior telescopic 27, and the outside of the interior telescopic 27 is equipped with external extension
28 connection of set, and connect by connecting electronic guide chain with interior telescopic 27 and external extension set 28.
Support beam 31, lower pillar stand 32 and upper pillar stand 33, the support are equipped in preceding auxiliary leg 3 described in the present embodiment
The top of crossbeam 31 is equipped with support free bearing 34, and the lower pillar stand 32 is installed on 34 top of support free bearing, sets in the upper pillar stand 33
There is jacking cylinder, the two is connected by pin shaft, and the upper pillar stand 33 is connect by the lower part of jacking cylinder with lower pillar stand 32, institute
It states 32 top of column to connect with jacking cylinder, the outside of the jacking cylinder is equipped with interior telescopic 27, the interior telescopic 27
Outside is equipped with external extension set 28, and lower joining beam 13 is equipped with below the main couple 1, and 13 both ends of lower joining beam pass through U-shaped spiral shell
Bolt is connect with main couple 1, and the upper pillar stand 33 is connect by trapezoidal fixed plate 331 with lower joining beam 13.
Supporting beam 41 and crossbeam 42 are equipped in preceding load-bearing supporting leg 4 described in the present embodiment, the lower section of the supporting beam 41 is set
There is bridge pier, the crossbeam 42 is set to the top of supporting beam 41, and one group of adjustment frame 43, the adjustment are equipped with above the crossbeam 42
Frame 43 is connect by end wall bracket 44 with main couple 1, and passes through anchor in the transverse direction of the main couple 1 and 44 junction of end wall bracket
It is fixedly mounted with and sets 45 and connect with the top of preceding load-bearing supporting leg 4.
It is equipped with one group of supporting leg 431 in adjustment frame 43 described in the present embodiment, adjustment section column is equipped in the supporting leg 431
4311 are installed on the top of section column 4312 substantially, the basic section with basic section column 4312, the adjustment section column 4311
Column 4312 is installed on the top of crossbeam 42, and is equipped with guide post in adjustment section column 4311, and the outside of the guide post is equipped with
Telescopic 437, the guide post top are equipped with adjustment support 432, are equipped with preceding turntable 433, the adjustment in the adjustment support 432
The top of support 432 is equipped with lower bracket 434, and the top of the lower bracket 434 is equipped with one group of vertical shift mechanism 435, two vertical shift mechanisms
435 is relatively oppositely arranged, and the top of the vertical shift mechanism 435 is equipped with hair hanging platform vehicle 436, is equipped between two supporting legs 431 flexible
Driving mechanism 438, before the top of the telescoping drive mechanism 438 is installed on turntable 433.
Track 51 is equipped in rear load-bearing supporting leg described in the present embodiment 5, the top of the track 51 is equipped with transverse-moving trolley 52,
The top of the transverse-moving trolley 52 is equipped with transverse-moving trolley crossbeam 53, and the both ends of the transverse-moving trolley crossbeam 53 are equipped with preceding turntable
433, the top of the preceding turntable 433 is equipped with lower bracket 434, and the top of the lower bracket 434 is equipped with rotating device, and the rotation
Rotary device sequentially passes through lower bracket 434 and preceding turntable 433 by connecting rod, and is bolted to connection, the rotating device
In be equipped with one group of vertical shift mechanism 435, Opposite direction connection is used between two vertical shift mechanisms 435, and the top of the vertical shift mechanism 435 is set
There is hair hanging platform vehicle 436, and the top of the vertical shift mechanism 435 is connect with upper truss 1, the transverse-moving trolley 52 uses double track traveling
Trolley, side are equipped with shackle plate.
Overhead traveling crane 71 and crane 72 are equipped in hoisting overhead travelling crane 7 described in the present embodiment, wherein be equipped with away in the overhead traveling crane 71
Cross girders 711, horizontal crossbeam 712 and travelling wheel group 713, the horizontal crossbeam 712 are installed on away the top of cross girders 711, it is described walk
Row wheel group 713 is installed on away the lower section of cross girders 711, and cross girders by support free bearing 714 and is walked in the middle part of the horizontal crossbeam 712
711 are fixedly connected, and the crane 72 is set to the top of horizontal crossbeam 712.
Embodiment 3
A kind of integrated Bridge Erector as shown in the figure, comprising: main couple 1, front leg strut 2, preceding auxiliary leg 3, preceding load-bearing supporting leg 4,
Rear load-bearing supporting leg 5, rear auxiliary leg 6 and drive system, 2 fixed hinge of front leg strut in the front end of main couple 1, and it is described before
By 21 station of outrigger in one end of cushion cap 22, the rear portion of the outrigger 21 passes through pre-buried fining twisted steel for the lower part of supporting leg 2
So that outrigger 21 is pulled in above cushion cap 22, the preceding load-bearing supporting leg 4 is set to the rear of front leg strut 2, and the preceding auxiliary leg 3 is fixed
The rear end of load-bearing supporting leg 4 before being articulated with, the rear load-bearing supporting leg 5 are set to the rear of preceding auxiliary leg 3, the rear auxiliary leg 6
Set on the rear of rear load-bearing supporting leg 5, and the main couple 1 is equipped with overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 and cross moving track 9,
The overhead traveling crane 71, hoisting overhead travelling crane 7, suspender 8 are set to the upper surface of main couple 1, and the cross moving track 9 is set to the lower section of main couple 1；
One group of support leg hydraulic system 61, crown block hydraulic system 62 are equipped in the drive system, in the support leg hydraulic system 61
Equipped with one group of jacking cylinder and hydraulic station, the front leg strut 2, preceding auxiliary leg 3, to be equipped with supporting leg on preceding load-bearing supporting leg 4 hydraulic
System 61, the crown block hydraulic system 62 are connect with hoisting overhead travelling crane 7, and the support leg hydraulic system 61, crown block hydraulic system 62 are equal
It is connect with control device.
It is equipped with one group of truss 11 and lateral 12 in main couple 1 described in the present embodiment, passes through lateral between the truss 11
12 connections, the top of the lateral 12 are covered with the rail for overhead traveling crane walking, are covered with the elongated track for walking, the purlin below
The side of frame 11 is set to overhead traveling crane power supply sliding rail, and the centre of the main couple 1 is covered with expanded metal lath, and leads between the main couple 1
Horizontal-associate and diagonal brace are connected before, during and after crossing.
Front leg strut 2 described in the present embodiment is provided with one group of supporting leg column using the supporting leg with multi-stage expansion function
23 and rotary oil cylinder 10, it is connected by horizontal-associate 24 between the supporting leg column 23, and the top of two supporting leg columns 23 passes through crossbeam
25 connect, and platform 26 is equipped between the lower part of the two supporting legs column 23, passes through pin between the platform 26 and supporting leg column 23
Axis connection, the jacking cylinder is set to the lower section of supporting leg column 23, and the both ends of the crossbeam 25 pass through connection free bearing 251 and master
Truss 1 connects, and the rotary oil cylinder 10 is set in the supporting leg column 23 for being located at 25 lower section of crossbeam, and under 25 both ends of the crossbeam
Side is equipped with hoisting mechanism 252.
One group of column is equipped in supporting leg column described in the present embodiment 23, between two columns of 23 lower part of supporting leg column
Equipped with jacking cylinder, the outside of the lift cylinder is equipped with interior telescopic 27, and the outside of the interior telescopic 27 is equipped with external extension
28 connection of set, and connect by connecting electronic guide chain with interior telescopic 27 and external extension set 28.
Support beam 31, lower pillar stand 32 and upper pillar stand 33, the support are equipped in preceding auxiliary leg 3 described in the present embodiment
The top of crossbeam 31 is equipped with support free bearing 34, and the lower pillar stand 32 is installed on 34 top of support free bearing, sets in the upper pillar stand 33
There is jacking cylinder, the two is connected by pin shaft, and the upper pillar stand 33 is connect by the lower part of jacking cylinder with lower pillar stand 32, institute
It states 32 top of column to connect with jacking cylinder, the outside of the jacking cylinder is equipped with interior telescopic 27, the interior telescopic 27
Outside is equipped with external extension set 28, and lower joining beam 13 is equipped with below the main couple 1, and 13 both ends of lower joining beam pass through U-shaped spiral shell
Bolt is connect with main couple 1, and the upper pillar stand 33 is connect by trapezoidal fixed plate 331 with lower joining beam 13.
Supporting beam 41 and crossbeam 42 are equipped in preceding load-bearing supporting leg 4 described in the present embodiment, the lower section of the supporting beam 41 is set
There is bridge pier, the crossbeam 42 is set to the top of supporting beam 41, and one group of adjustment frame 43, the adjustment are equipped with above the crossbeam 42
Frame 43 is connect by end wall bracket 44 with main couple 1, and passes through anchor in the transverse direction of the main couple 1 and 44 junction of end wall bracket
It is fixedly mounted with and sets 45 and connect with the top of preceding load-bearing supporting leg 4.
It is equipped with one group of supporting leg 431 in adjustment frame 43 described in the present embodiment, adjustment section column is equipped in the supporting leg 431
4311 are installed on the top of section column 4312 substantially, the basic section with basic section column 4312, the adjustment section column 4311
Column 4312 is installed on the top of crossbeam 42, and is equipped with guide post in adjustment section column 4311, and the outside of the guide post is equipped with
Telescopic 437, the guide post top are equipped with adjustment support 432, are equipped with preceding turntable 433, the adjustment in the adjustment support 432
The top of support 432 is equipped with lower bracket 434, and the top of the lower bracket 434 is equipped with one group of vertical shift mechanism 435, two vertical shift mechanisms
435 is relatively oppositely arranged, and the top of the vertical shift mechanism 435 is equipped with hair hanging platform vehicle 436, is equipped between two supporting legs 431 flexible
Driving mechanism 438, before the top of the telescoping drive mechanism 438 is installed on turntable 433.
Track 51 is equipped in rear load-bearing supporting leg described in the present embodiment 5, the top of the track 51 is equipped with transverse-moving trolley 52,
The top of the transverse-moving trolley 52 is equipped with transverse-moving trolley crossbeam 53, and the both ends of the transverse-moving trolley crossbeam 53 are equipped with preceding turntable
433, the top of the preceding turntable 433 is equipped with lower bracket 434, and the top of the lower bracket 434 is equipped with rotating device, and the rotation
Rotary device sequentially passes through lower bracket 434 and preceding turntable 433 by connecting rod, and is bolted to connection, the rotating device
In be equipped with one group of vertical shift mechanism 435, Opposite direction connection is used between two vertical shift mechanisms 435, and the top of the vertical shift mechanism 435 is set
There is hair hanging platform vehicle 436, and the top of the vertical shift mechanism 435 is connect with upper truss 1, the transverse-moving trolley 52 uses double track traveling
Trolley, side are equipped with shackle plate.
Overhead traveling crane 71 and crane 72 are equipped in hoisting overhead travelling crane 7 described in the present embodiment, wherein be equipped with away in the overhead traveling crane 71
Cross girders 711, horizontal crossbeam 712 and travelling wheel group 713, the horizontal crossbeam 712 are installed on away the top of cross girders 711, it is described walk
Row wheel group 713 is installed on away the lower section of cross girders 711, and cross girders by support free bearing 714 and is walked in the middle part of the horizontal crossbeam 712
711 are fixedly connected, and the crane 72 is set to the top of horizontal crossbeam 712.
It is equipped in the present embodiment, in the suspender 8 for hanged the first suspender 81 for being less than or equal to 80 tons and for hanged
The second suspender 82 less than or equal to 140 tons；The first hanging beam 811, the both ends of first hanging beam 811 are equipped in first suspender
Equipped with connection otic placode 812, the lower section of the connection otic placode 812 is equipped with the first connection lifting lug 813；When the lifting of the first hanging beam 811 is vertical
When column, the lower section of the first connection lifting lug 813 is additionally provided with the hanging beam 814 for vertical columns, and the surrounding of the hanging beam 814 is set
There is the silk top 815 for vertical columns；When the first hanging beam 811 lifts by crane T beam, first hanging beam 811 needs that wirerope is arranged
816；
The second hanging beam 821 is equipped in second suspender 82, the both ends of second hanging beam 821 are equipped with third hanging beam 822, and institute
The middle part for stating the second hanging beam 821 is equipped with one group of second connection lifting lug 823, and the two sides of the second connection lifting lug 823, which are equipped with, to be fixed
Frame 824；When the second suspender 82 lifts by crane bent cap, the lower section of the third hanging beam 822 is equipped with spiral 825, the screw-thread steel
Muscle 825 is through in bent cap；
When the second suspender 82 lifts by crane column, it is lifted by crane with hanging beam 81 by the second connection lifting lug 823, the hanging beam 81
Both ends be equipped with connection otic placode 812, the lower section of the connection otic placode 812 is equipped with the second connection lifting lug 823；When its hanged column
When, the lower part of the second connection lifting lug 823 is equipped with connector；
When the second suspender 82 lifts by crane T beam, by fixing wirerope 816 on fixed frame 824, T beam is carried out by wirerope 816
Lifting.
The working method of integrated Bridge Erector described in the present embodiment, specific working method are as follows:
1): Bridge Erector is laterally moved to hit exactly first, before front leg strut 2 is supported in the pier top of pier；
2): column being hung to advanced pier, lower box type column to previous overhead traveling crane 71 using overhead traveling crane 71 and hoisting overhead travelling crane 7；
3): previous overhead traveling crane 71 drives column transverse shifting, advances to advanced pier, and column is installed, by column with hold
Platform 22 anchors；
4): recycling hoisting overhead travelling crane 7 that bent cap is hung to advanced pier, then previous overhead traveling crane 71 installs bent cap at the top of column；
5): releasing front leg strut 2 and lower section bracket, shrink front leg strut 2, lift installation T beam using two overhead traveling cranes 71；
6): traversing Bridge Erector sets up each T beam respectively；
7): being laterally moved to right width after the completion of last a piece of T beam construction and be repeatedly performed above step 1 to 6)；
8): Bridge Erector is laterally moved to hit exactly, and front leg strut 2 and lower section bracket are installed, and prepares via hole；
9): and then jacking rear load-bearing supporting leg 5, then preceding load-bearing supporting leg 4 is voluntarily arrived to the pier top of advanced pier by transverse-moving trolley 436
It is installed；
10): whether load-bearing supporting leg 4 anchors secured before checking, then packs up front leg strut 2, Bridge Erector longitudinal traveling forward；
11): and then auxiliary leg 3 before jacking, and rear load-bearing supporting leg 5 passes through transverse-moving trolley 52 voluntarily in place；
12): and then Bridge Erector continues traveling forward, after Bridge Erector traveling in place, equips the construction of next width.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (10)
1. a kind of integration Bridge Erector, it is characterised in that: include: main couple (1), front leg strut (2), preceding auxiliary leg (3), preceding hold
Weight supporting leg (4), rear load-bearing supporting leg (5), rear auxiliary leg (6) and drive system, front leg strut (2) fixed hinge is in main couple
(1) front end, and the lower part of the front leg strut (2) is stood by an outrigger (21) in one end of cushion cap (22), the outrigger
(21) rear portion makes outrigger (21) be pulled in cushion cap (22) above by pre-buried fining twisted steel, and the preceding load-bearing supporting leg (4) sets
In the rear of front leg strut (2), preceding auxiliary leg (3) fixed hinge is in the rear end of preceding load-bearing supporting leg (4), the rear load-bearing branch
Leg (5) is set to the rear of preceding auxiliary leg (3), and the rear auxiliary leg (6) is set to the rear of rear load-bearing supporting leg (5), and described
Main couple (1) is equipped with hoisting overhead travelling crane (7), suspender (8) and cross moving track (9), the hoisting overhead travelling crane (7), suspender (8) and is set to
The upper surface of main couple (1), the cross moving track (9) are set to the lower section of main couple (1)；
One group of support leg hydraulic system (61) and crown block hydraulic system (62), the support leg hydraulic system are equipped in the drive system
(61) be equipped with one group of jacking cylinder and hydraulic station in, the front leg strut (2), preceding auxiliary leg (3), on preceding load-bearing supporting leg (4)
Equipped with support leg hydraulic system (61), the crown block hydraulic system (62) connect with hoisting overhead travelling crane (7), the support leg hydraulic system
(61) it is connect with control device with crown block hydraulic system (62).
2. integration Bridge Erector according to claim 1, it is characterised in that: be equipped with one group of truss in the main couple (1)
(11) and lateral (12) it, is connected between the truss (11) by lateral (12), is covered with above the lateral (12) for overhead traveling crane
The rail of walking, is covered with the elongated track for walking below, and the side of the truss (11) is set to overhead traveling crane power supply sliding rail, and institute
The centre for stating main couple (1) is covered with expanded metal lath, and horizontal-associate and diagonal brace are linked to be one before, during and after passing through between the main couple (1)
Body.
3. integration Bridge Erector according to claim 1, it is characterised in that: the front leg strut (2) uses stretches with multistage
The supporting leg of contracting function is provided with one group of supporting leg column (23) and rotary oil cylinder (10), passes through between the supporting leg column (23)
Horizontal-associate (24) connection, and the top of two supporting leg columns (23) is connected by crossbeam (25), the lower part of the two supporting legs column (23)
Between be equipped with platform (26), by pin shaft connection between the platform (26) and supporting leg column (23), the jacking cylinder is set to
The lower section of supporting leg column (23), and the both ends of the crossbeam (25) are connect by connecting free bearing (251) with main couple (1), it is described
Rotary oil cylinder (10) is set in the supporting leg column (23) being located at below crossbeam (25), and the lower section at the crossbeam (25) both ends is equipped with
Hoisting mechanism (252).
4. integration Bridge Erector according to claim 3, it is characterised in that: be equipped with one group in the supporting leg column (23) and stand
Column, jacking cylinder is equipped between two columns of supporting leg column (23) lower part, and the outside of the lift cylinder is equipped with interior flexible
The outside of set (27), the interior telescopic (27) is connected equipped with external extension set (28), and is stretched by connecting electronic guide chain with interior
Cover (27) and external extension set (28) connection.
5. integration Bridge Erector according to claim 1, it is characterised in that: the preceding auxiliary leg (3) and rear auxiliary branch
Support beam (31), lower pillar stand (32) and upper pillar stand (33) are equipped in leg (6), the top of the support beam (31) is equipped with branch
It supports free bearing (34), the lower pillar stand (32) is installed on above support free bearing (34), and it is hydraulic that supporting leg is equipped in the upper pillar stand (33)
System (61), the two are connected by pin shaft, and the upper pillar stand (33) is connect by the lower part of jacking cylinder with lower pillar stand (32),
It is connect at the top of the column (32) with the jacking cylinder in support leg hydraulic system (61), the outside of the jacking cylinder is equipped with interior stretch
The outside of contracting set (27), the interior telescopic (27) is equipped with external extension set (28), and lower joining beam is equipped with below the main couple (1)
(13), and lower joining beam (13) both ends are connect by U-bolt with main couple (1), and the upper pillar stand (33) passes through trapezoidal solid
Fixed board (331) is connect with lower joining beam (13).
6. integration Bridge Erector according to claim 1, it is characterised in that: be equipped with support in the preceding load-bearing supporting leg (4)
Beam (41) and crossbeam (42), the lower section of the supporting beam (41) are equipped with bridge pier, and the crossbeam (42) is set to the upper of supporting beam (41)
Side, the supporting beam (41) is equipped with one group of transverse-moving trolley (52), and one group of adjustment frame (43) is equipped with above the crossbeam (42),
The adjustment frame (43) is connect by end wall bracket (44) with main couple (1), and the main couple (1) and end wall bracket (44) junction
Transverse direction on connect with the top of preceding load-bearing supporting leg (4) by anchor (45).
7. integration Bridge Erector according to claim 6, it is characterised in that: be equipped with one group of supporting leg in the adjustment frame (43)
(431), adjustment section column (4311) and basic section column (4312) are equipped in the supporting leg (431), the adjustment saves column
(4311) it is installed on the top of basic section column (4312), the basic section column (4312) is installed on the top of crossbeam (42),
And guide post is equipped in adjustment section column (4311), the outside of the guide post is equipped with telescopic (437), sets at the top of the guide post
Have adjustment support (432), be equipped with preceding turntable (433) in the adjustment support (432), is set above the adjustment support (432)
Have lower bracket (434), the top of the lower bracket (434) is equipped with one group of vertical shift mechanism (435), and two vertical shift mechanisms (435) are opposite
It is oppositely arranged, and the top of the vertical shift mechanism (435) is equipped with hair hanging platform vehicle (436), and flexible drive is equipped between two supporting legs (431)
The top of motivation structure (438), the telescoping drive mechanism (438) is installed on preceding turntable (433).
8. integration Bridge Erector according to claim 1, it is characterised in that: be equipped with track in the rear load-bearing supporting leg (5)
(51), the top of the track (51) is equipped with transverse-moving trolley (52), and it is big that the top of the transverse-moving trolley (52) is equipped with transverse-moving trolley
Beam (53), and the both ends of the transverse-moving trolley crossbeam (53) are equipped with preceding turntable (433), are set above the preceding turntable (433)
Have lower bracket (434), the top of the lower bracket (434) is equipped with rotating device, and the rotating device passes through connecting rod successively
It across lower bracket (434) and preceding turntable (433), and is bolted to connection, one group of vertical shift machine is equipped in the rotating device
Structure (435) uses Opposite direction connection between two vertical shift mechanisms (435), and the top of the vertical shift mechanism (435) is equipped with hair hanging platform vehicle
(436), and the top of the vertical shift mechanism (435) is connect with upper truss (1)；
The transverse-moving trolley (52) uses double track running truck, and side is equipped with shackle plate.
9. integration Bridge Erector according to claim 8, it is characterised in that: be equipped with overhead traveling crane in the hoisting overhead travelling crane (7)
(71) and crane (72), wherein cross girders (711), horizontal crossbeam (712) and travelling wheel group are equipped with away in the overhead traveling crane (71)
(713), the horizontal crossbeam (712) is installed on away the top of cross girders (711), and the travelling wheel group (713) is installed on away cross girders
(711) lower section, and the middle part of the horizontal crossbeam (712) is fixedly connected by support free bearing (714) with cross girders (711) is walked,
The crane (72) is set to the top of horizontal crossbeam (712).
10. the working method of integration Bridge Erector according to any one of claims 1 to 9, it is characterised in that: specific work
It is as follows to make method:
1): Bridge Erector is laterally moved to hit exactly first, before front leg strut (2) is supported in the pier top of pier；
2): column being hung to advanced pier, lower box type column to previous overhead traveling crane (71) using overhead traveling crane (71) and hoisting overhead travelling crane (7)；
3): previous overhead traveling crane (71) drives column transverse shifting, advances to advanced pier, and column is installed, by column with
Cushion cap (22) anchoring；
4): recycling hoisting overhead travelling crane (7) that bent cap is hung to advanced pier, then previous overhead traveling crane (71) installs lid at the top of column
Beam；
5): releasing front leg strut (2) and lower section bracket, shrink front leg strut (2), lift installation T beam using two overhead traveling cranes (71)；
6): traversing Bridge Erector sets up each T beam respectively；
7): being laterally moved to right width after the completion of last a piece of T beam construction and be repeatedly performed above step 1) to 6)；
8): Bridge Erector is laterally moved to hit exactly, and front leg strut (2) and lower section bracket are installed, and prepares via hole；
9): and then jacking rear load-bearing supporting leg (5), preceding load-bearing supporting leg (4) is voluntarily then arrived into advanced pier by transverse-moving trolley (436)
Pier top installed；
10): whether load-bearing supporting leg (4) anchoring is secured before checking, then packs up front leg strut (2), Bridge Erector longitudinal traveling forward；
11): and then auxiliary leg (3) before jacking, and rear load-bearing supporting leg (5) passes through transverse-moving trolley (52) voluntarily in place；
12): and then Bridge Erector continues traveling forward, after Bridge Erector traveling in place, equips the construction of next width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883639.7A CN109024291A (en) | 2018-08-06 | 2018-08-06 | A kind of integration Bridge Erector and its working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883639.7A CN109024291A (en) | 2018-08-06 | 2018-08-06 | A kind of integration Bridge Erector and its working method |
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| Publication Number | Publication Date |
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| CN109024291A true CN109024291A (en) | 2018-12-18 |
Family
ID=64648690
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810883639.7A Pending CN109024291A (en) | 2018-08-06 | 2018-08-06 | A kind of integration Bridge Erector and its working method |
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Cited By (7)
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| CN109629453A (en) * | 2019-02-14 | 2019-04-16 | 腾达建设集团股份有限公司 | A kind of movable type Bridge Erector supporting leg |
| CN110607755A (en) * | 2019-10-15 | 2019-12-24 | 合肥正浩机械科技有限公司 | Supporting leg adjusting mechanism for erecting last span of bridge erecting machine |
| CN111335180A (en) * | 2020-04-08 | 2020-06-26 | 福建省特种设备检验研究院 | Steering system of bridge girder erection machine and use method thereof |
| CN112195798A (en) * | 2020-08-21 | 2021-01-08 | 中交第二航务工程局有限公司 | Segmental assembling integrated bridge girder erection machine and construction method thereof |
| CN114250711A (en) * | 2021-12-31 | 2022-03-29 | 史托克(天津)工程技术有限公司 | Highway bridge girder erection machine and hole passing method |
| CN114277689A (en) * | 2021-12-28 | 2022-04-05 | 中交路桥建设有限公司 | Middle support bracket system of bridge girder erection machine |
| CN114541277A (en) * | 2022-04-01 | 2022-05-27 | 郑州新大方重工科技有限公司 | Fully-assembled bridging system, beam erecting and hole passing method |
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Effective date of registration: 20240528 Address after: 226333 Tongzhou Bay Jianghai Linkage Development Demonstration Zone, Nantong City, Jiangsu Province, west of Fuhai Road and north of Chunjiang Road Applicant after: Jiangsu Ennas Heavy Industry Technology Co.,Ltd. Country or region after: China Address before: 215400 Private Industrial Zone, Fuqiao Town, Suzhou City, Jiangsu Province Applicant before: NRS JIANGSU MACHINERY AND HEAVY INDUSTRY Co.,Ltd. Country or region before: China |