CN205874994U - A multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes - Google Patents
A multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes Download PDFInfo
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- CN205874994U CN205874994U CN201620719106.1U CN201620719106U CN205874994U CN 205874994 U CN205874994 U CN 205874994U CN 201620719106 U CN201620719106 U CN 201620719106U CN 205874994 U CN205874994 U CN 205874994U
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- spandrel girder
- load
- point synchronization
- bridge
- bearing box
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Abstract
The utility model provides a multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes, relate to the bridge field, it includes a plurality of jacking drive unit, each jacking drive unit all includes climbing mechanism, actuating mechanism and fixed establishment, fixed establishment includes horizontal spandrel girder and vertical spandrel girder, horizontal spandrel girder is used for being connected with the pier shaft of bridge, vertical spandrel girder is connected with horizontal spandrel girder, climbing mechanism's the one end and the top of vertical spandrel girder are connected, the other end is used for to leaning on the bridge, climbing mechanism and actuating mechanism are connected. Through setting up a plurality of jacking drive unit, a plurality of jacking drive unit go up and down in step, and fixed establishment's the horizontal spandrel girder and the setting of vertical spandrel girder make not direct action in pier shaft of climbing mechanism, avoid the concentrated pier shaft that damages of pressure, under the stable condition of guaranteeing climbing mechanism, realize multi -point synchronization jacking and the descending roof beam body.
Description
Technical field
This utility model relates to bridge field, in particular to a kind of Multipoint synchronous liquid for Bridge Support Replacement
Pressure jack-up system.
Background technology
For the large bridge of many fulcrums when carrying out bearing maintenance and changing, need Integral synchronous jacking, simultaneously for road
In the case of road angle seam between Bu Feng road and guarantee beam slab is undamaged, the synchronization accuracy of Lifting Equipment is required increasingly
High.Many companies produce common semi-automatic hydraulic synchronous jacking system, and single-point controls, by diverter and digital output modul
Principle, although these jack-up systems solve the jacking problem of bridge, but have a disadvantage in that and cannot ensure synchronization lifting, rise
Cause unbalance loading owing to bridge top road traction engine in the case of being open to traffic is out-of-date during fall, easily cause the very heavy bursting of jacking
Damage, or cause beam slab angle envelope to be damaged.
Utility model content
The purpose of this utility model is to provide a kind of Multi-point synchronization hydraulic lifting system for Bridge Support Replacement, its
It is capable of construction point Multipoint synchronous is accurately controlled beam slab synchronization lifting.
Embodiment of the present utility model is achieved in that
A kind of Multi-point synchronization hydraulic lifting system for Bridge Support Replacement, it includes that multiple separate jacking is driven
Moving cell, multiple jacking driver elements are all connected with beam slab, and each jacking driver element all includes lifting body, drive mechanism
And fixed mechanism, fixed mechanism includes horizontal spandrel girder and longitudinal spandrel girder, and horizontal spandrel girder is arranged at pier shaft and the bridge of bridge
Between the beam slab of beam, horizontal spandrel girder is connected with pier shaft, and longitudinal spandrel girder is connected with horizontal spandrel girder, one end of lifting body and
The top of longitudinal spandrel girder connects, and the other end is for against beam slab, and lifting body is connected with drive mechanism.
Further, in preferred embodiment of the present utility model, the above-mentioned Multipoint synchronous liquid for Bridge Support Replacement
Pressure jack-up system also includes that control equipment, drive mechanism are connected with controlled equipment.
Further, in preferred embodiment of the present utility model, above-mentioned lifting body is provided with displacement transducer and pressure
Force transducer, displacement transducer and pressure transducer are connected with control equipment respectively.
Further, in preferred embodiment of the present utility model, the oil-out of above-mentioned drive mechanism is provided with for preventing
The only overflow valve of drive mechanism overload.
Further, in preferred embodiment of the present utility model, the oil-in of above-mentioned lifting body is provided with for putting down
The balanced valve of weighing apparatus lifting body load pressure.
Further, in preferred embodiment of the present utility model, above-mentioned lifting body is for the one end against beam slab even
It is connected to dividing potential drop plate.
Further, in preferred embodiment of the present utility model, the two ends of above-mentioned horizontal spandrel girder are provided with load-bearing
Case, longitudinal spandrel girder is connected with Load-bearing box away from one end of lifting body.
Further, in preferred embodiment of the present utility model, above-mentioned Load-bearing box is cuboid, the body diagonal angle of Load-bearing box
Being provided with inside connecting rod on line, the two ends of inside connecting rod are all fixing with Load-bearing box to be connected.
Further, in preferred embodiment of the present utility model, above-mentioned Load-bearing box includes the first side, the first side with
Laterally spandrel girder is vertical, and the first side extends towards horizontal spandrel girder and protrudes from Load-bearing box, the first side and horizontal Load-bearing box
Connect.
Further, in preferred embodiment of the present utility model, above-mentioned fixed mechanism also includes stiffener, stiffener
One end is connected with the end of horizontal spandrel girder, and the other end is connected with the face relative with the first side of Load-bearing box.
This utility model embodiment provides the benefit that: by arranging multiple jacking driver element, and multiple jackings drive single
Unit's synchronization lifting, the horizontal spandrel girder of fixed mechanism and the setting of longitudinal spandrel girder, make lifting body be not directly placed on pier shaft,
Avoid pressure to concentrate and damage pier shaft, ensure lifting body stable under conditions of, it is achieved Multi-point synchronization jacking and landing beam body.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
The Multi-point synchronization hydraulic lifting system for Bridge Support Replacement that Fig. 1 provides for this utility model embodiment and bridge
The structural representation that beam coordinates；
The knot of the Multi-point synchronization hydraulic lifting system for Bridge Support Replacement that Fig. 2 provides for this utility model embodiment
Structure schematic diagram；
The top of the Multi-point synchronization hydraulic lifting system for Bridge Support Replacement that Fig. 3 provides for this utility model embodiment
Rise the structural representation of driver element；
Consolidating of the Multi-point synchronization hydraulic lifting system for Bridge Support Replacement that Fig. 4 provides for this utility model embodiment
That determines mechanism and bridge coordinates schematic diagram.
In figure:
Multi-point synchronization hydraulic lifting system 100 for Bridge Support Replacement；
Jacking driver element 200；Lifting body 210；Displacement transducer 211；Pressure transducer 212；Dividing potential drop plate 213；Drive
Motivation structure 220；Hydraulic pump 221；Motor 222；Reversal valve 223；Balanced valve 224；Overflow valve 225；Fixed mechanism 230；Laterally hold
Weight beam 231；Longitudinal spandrel girder 232；Load-bearing box 233；Inside connecting rod 234；Stiffener 235；First side 236；
Control equipment 300；PLC 310；Bench board 320；
Bridge 400；Beam slab 410；Bearing 420；Pier shaft 430.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
Embodiment
Refer to Fig. 1, the present embodiment provides a kind of Multi-point synchronization hydraulic lifting system 100 for Bridge Support Replacement,
Be suitable to be connected with bridge 400.
Bridge 400 includes beam slab 410, bearing 420 and pier shaft 430, bearing 420 be arranged at beam slab 410 and pier shaft 430 it
Between.The structure of bridge 400 is prior art, is not specifically addressed at this.
Incorporated by reference to seeing Fig. 1 and Fig. 2, the Multi-point synchronization hydraulic lifting system 100 for Bridge Support Replacement includes controlling
Equipment 300 and jacking driver element 200, jacking driver element 200 is multiple, and multiple jacking driver elements 200 are separate, and
All it is connected in parallel with control equipment 300, it is achieved controlling to arrange to control multiple jacking driver element 200, multiple jackings drive simultaneously
Unit 200 simultaneously acts on beam body, it is achieved the Multipoint synchronous lifting of beam body.
The structure of multiple jacking driver elements 200 is identical, and it is identical with the connected mode of beam body and control equipment 300, with
Lower will be illustrated mainly for the concrete structure of a jacking driver element 200.
Incorporated by reference to seeing Fig. 3 and Fig. 4, specifically, any one jacking driver element 200 all includes lifting body 210, drives
Motivation structure 220 and fixed mechanism 230.
One end of lifting body 210 is used for against beam slab 410, and beam slab 410 is applied active force, it is achieved by beam slab 410
Jacking or landing.One end away from beam slab 410 of lifting body 210 is connected with pier shaft 430 by fixed mechanism 230.Pass through pier
Body 430 supports lifting body 210, and lifting body 210 is during jacking, and applying active force is in beam slab 410, by beam slab 410
Jacking, so that beam slab 410 separates with bearing 420, it is simple to change or erection support 420.
In the present embodiment, lifting body 210 is provided with displacement transducer 211 and pressure transducer 212, displacement transducer
211 and pressure transducer 212 be connected with control equipment 300 respectively, displacement transducer 211 can measure the real-time of lifting body 210
Displacement, pressure transducer 212 can the most accurately measure the load that lifting body 210 is born.Displacement transducer 211 and pressure
The signal of collection is transferred to control equipment 300 by sensor 212, in order to control equipment 300 is sentenced according to its displacement and load
Break and send corresponding instruction.
Connecting dividing potential drop plate 213 at lifting body 210 for the one end against beam slab 410, the cross section of dividing potential drop plate 213 is more than
The contact surface that lifting body 210 contacts with beam slab 410, is contacted by dividing potential drop plate 213 between lifting body 210 and beam slab 410, point
The design of pressing plate 213, can effectively decompose lifting body 210 and put on the active force on beam slab 410, it is to avoid active force excessively collects
In, and cause beam slab 410 to damage.
Drive mechanism 220 includes hydraulic pump 221, motor 222, reversal valve 223, balanced valve 224 and overflow valve 225.
In the present embodiment, lifting body 210 is jack, realizes thousand by hydraulic pump 221 to jack oil-feed and oil return
The jacking on jin top and landing.
Reversal valve 223 is connected between hydraulic pump 221 and lifting body 210, and hydraulic pump 221 relies on reversal valve 223 to top
Rise cavity of resorption or the epicoele fuel feeding of mechanism 210, make lifting body 210 hoist or decline.
Hydraulic pump 221 uses the motor 222 of frequency converter timing to drive, and this motor 222 electrically connects with control equipment 300.
Rely on the frequency of regulation power supply, change motor 222 rotating speed, make the flow continuously adjustabe of hydraulic pump 221, it is simple to lifting body
Rising or falling speed and the strength of 210 are controlled.
Balanced valve 224 is installed on the oil-in of lifting body 210, and balanced valve 224 can balance the negative of lifting body 210
Lotus pressure, when making lifting body 210 band carry decline and overload jacking, lifting body 210 is unlikely to decompression and glides.Overflow valve 225
Being installed on the oil-out of drive mechanism 220, overflow valve 225 is prevented from drive mechanism 220 and transships.
Fixed mechanism 230 is for being connected lifting body 210 with pier shaft 430, and this fixed mechanism 230 includes horizontal spandrel girder
231, longitudinal spandrel girder 232 and Load-bearing box 233.
Laterally spandrel girder 231 is arranged between pier shaft 430 and beam slab 410, and parallel with the length direction of beam slab 410, horizontal
End face to spandrel girder 231 with pier shaft 430 is connected, and pier shaft 430 is all stretched out at two ends.
Longitudinal spandrel girder 232 is two, and is symmetricly set in the both sides of bearing 420.Two longitudinal spandrel girders 232 connect respectively
Be connected to the two ends of horizontal spandrel girder 231, and longitudinal spandrel girder 232 be perpendicular to horizontal spandrel girder 231, longitudinal spandrel girder 232 with
The axis parallel of seat 420, one end of longitudinal spandrel girder 232 is connected with horizontal spandrel girder 231, and the other end is used for supporting jack
Structure 210.
Load-bearing box 233 is two, and is connected to the two ends of horizontal spandrel girder 231, longitudinal spandrel girder 232 and laterally holding
Weight beam 231 is connected by Load-bearing box 233.Load-bearing box 233 is rectangular structure, in the one side of the close pier shaft 430 of Load-bearing box 233
Being the first side 236, the first side 236 is vertical with horizontal spandrel girder 231, and the first side 236 extends towards horizontal spandrel girder 231
And protruding from Load-bearing box 233, the first side 236 protrudes from the part of Load-bearing box 233 and is connected with horizontal spandrel girder 231, longitudinally holds
Weight beam 232 is connected with the end face of Load-bearing box 233 away from one end of beam slab 410.The volume of Load-bearing box 233 is relatively big, longitudinal spandrel girder
232 directly contact with Load-bearing box 233, it is to avoid contact with horizontal spandrel girder 231 and pier shaft 430, can prevent pressure from excessively concentrating, and
Damage pier shaft 430.
In order to strengthen the weight capacity of Load-bearing box 233, by arranging on the body diagonal of Load-bearing box 233 in the present embodiment
Inside connecting rod 234, the setting of inside connecting rod 234 strengthens the internal structure stability of Load-bearing box 233 so that it is Load-bearing box 233 stability
More preferably.Being additionally provided with stiffener 235 between Load-bearing box 233 and horizontal spandrel girder 231, one end of stiffener 235 is with horizontal simultaneously
Connecting to the end stretching out pier shaft 430 of spandrel girder 231, the other end connects with the face relative with the first side 236 of Load-bearing box 233
Connecing, the setting of stiffener 235 makes to be formed between Load-bearing box 233 and horizontal spandrel girder 231 rock-steady structure of triangle, is conducive to adding
The stability in the large of strong fixed mechanism 230, makes lifting body 210 during jacking on fixed mechanism 230, and stability is higher.
Due to the setting of the symmetrical structure of fixed mechanism 230, it is respectively arranged with two at the two ends of horizontal spandrel girder 231 and indulges
To spandrel girder 232 and two Load-bearing boxs 233, so in a jacking driver element 200, having two lifting bodies 210 and two
Individual drive mechanism 220, two lifting bodies 210 carry out jacking and landing to beam body simultaneously, and stability is more preferably.Further, two tops
Rise mechanism 210 simultaneously in the both sides stress of bearing 420, make the stress of beam slab 410 evenly, more stable.
Control equipment 300 includes PLC 310 and bench board 320, bench board 320 and PLC PLC technology
Device 310 connects, and sends corresponding instruction for control PLC Programmable Logic Controller 310.PLC 310 and the machine of driving
Structure 220 connects, and drives drive mechanism 220 for the control command according to bench board 320, and pressure oil output makes corresponding jack
Structure 210 moves.PLC 310 is according to the displacement signal detected and pressure signal simultaneously, and continuous correction motion is by mistake
Difference, keeps the load sync equalizing of each lifting body 210.
Be more than the concrete structure of a jacking driver element 200, the present embodiment provide for Bridge Support Replacement
Multi-point synchronization hydraulic lifting system 100 includes multiple jacking driver element 200, and multiple jacking driver elements 200 are separate, many
Individual jacking driver element 200 is in parallel and is all connected with control equipment 300.PLC 310 can detect multiple top simultaneously
Rise displacement signal and the pressure signal of driver element 200, by constantly revising the kinematic error of each jacking driver element 200,
Make multiple jacking driver element 200 keep being synchronized with the movement, thus realize Multi-point synchronization jacking and landing.
The installation process of Multi-point synchronization hydraulic lifting system 100 device and operation principle for Bridge Support Replacement be:
End face at pier shaft 430 installs horizontal spandrel girder 231, connects two Load-bearing boxs 233 respectively at the two ends of horizontal spandrel girder 231,
The end face of Load-bearing box 233 connects longitudinal spandrel girder 232, after fixed mechanism 230 installation, is installed on by lifting body 210
One end away from Load-bearing box 233 of longitudinal spandrel girder 232, and make one end away from longitudinal spandrel girder 232 of lifting body 210
Near the bottom of beam slab 410, and can be during jacking, against jacking beam slab 410.Equal in multiple construction point of beam slab 410
Carry out same installation, after installation, utilize control equipment 300 to control drive mechanism 220 and drive lifting body 210 jacking,
Control equipment 300 coordinates displacement transducer 211 and pressure transducer 212, decomposition pressure and displacement closed loop control, it is possible to accurately
Control strength when each lifting body 210 speed when lifting or jacking, it is achieved Multi-point synchronization jacking, and keep each to push up
Rise the load balancing of mechanism 210.Lifting body 210, gradually by beam slab 410 jacking, makes beam slab 410 depart from bearing 420, now
Bearing 420 is replaced or reinstalls, after new bearing 420 is arranged on predeterminated position, controls equipment 300 and control to drive
Mechanism 220 drives lifting body 210 to land, and beam slab 410 lands lentamente, beam slab 410 final with replacing after bearing 420 connect
Touching, now lifting body 210 continues landing, departs from beam slab 410, completes the replacing of bearing 420.
In sum, this utility model is by arranging multiple jacking driver element 200, and multiple jacking driver elements 200 are equal
Being connected with control equipment 300, control equipment 300 controls drive mechanism 220 and drives multiple lifting body 210 synchronization lifting, fixing
The horizontal spandrel girder 231 of mechanism 230 and the setting of longitudinal spandrel girder 232, make lifting body 210 be not directly placed on pier shaft 430,
Avoid pressure to concentrate and damage pier shaft 430, ensure lifting body 210 stable under conditions of, it is achieved Multi-point synchronization jacking and fall
Fall beam body.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the Multi-point synchronization hydraulic lifting system for Bridge Support Replacement, it is characterised in that it includes multiple the most only
Vertical jacking driver element, multiple described jacking driver elements are connected with the beam slab of bridge respectively, and each described jacking drives
Unit all includes that lifting body, drive mechanism and fixed mechanism, described fixed mechanism include horizontal spandrel girder and longitudinal spandrel girder,
Described horizontal spandrel girder is arranged between the pier shaft of described bridge and the beam slab of described bridge, described horizontal spandrel girder and described pier
Body connects, and described longitudinal spandrel girder is connected with described horizontal spandrel girder, one end of described lifting body and described longitudinal spandrel girder
Top connect, the other end is for against described beam slab, and described lifting body is connected with described drive mechanism.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 1, it is characterised in that institute
State the Multi-point synchronization hydraulic lifting system for Bridge Support Replacement and also include control equipment, described drive mechanism and described control
Equipment connects.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 2, it is characterised in that institute
State lifting body be provided with displacement transducer and pressure transducer, institute's displacement sensors and described pressure transducer respectively with institute
State control equipment to connect.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 1, it is characterised in that institute
The oil-out stating drive mechanism is provided with the overflow valve for preventing described drive mechanism from transshipping.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 1, it is characterised in that institute
The oil-in stating lifting body is provided with the balanced valve for balancing described lifting body load pressure.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 1, it is characterised in that institute
State lifting body and have dividing potential drop plate for connecting against one end of described beam slab.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 1, it is characterised in that institute
The two ends stating horizontal spandrel girder are provided with Load-bearing box, and described longitudinal spandrel girder holds with described away from one end of described lifting body
Loaded van connects.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 7, it is characterised in that institute
Stating Load-bearing box is cuboid, and the body diagonal of described Load-bearing box is provided with inside connecting rod, and the two ends of described inside connecting rod are all with described
Load-bearing box is fixing to be connected.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 7, it is characterised in that institute
Stating Load-bearing box and include the first side, described first side is vertical with described horizontal spandrel girder, and described first side is towards described horizontal stroke
Extending to spandrel girder and protrude from described Load-bearing box, described first side is connected with described horizontal Load-bearing box.
Multi-point synchronization hydraulic lifting system for Bridge Support Replacement the most according to claim 7, it is characterised in that
Described fixed mechanism also includes that stiffener, one end of described stiffener are connected with the end of described horizontal spandrel girder, described in put more energy into
The other end of plate is connected with described Load-bearing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719106.1U CN205874994U (en) | 2016-07-08 | 2016-07-08 | A multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719106.1U CN205874994U (en) | 2016-07-08 | 2016-07-08 | A multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes |
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| Publication Number | Publication Date |
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| CN205874994U true CN205874994U (en) | 2017-01-11 |
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| CN201620719106.1U Active CN205874994U (en) | 2016-07-08 | 2016-07-08 | A multi -point synchronization hydraulic pressure jacking system for bridge beam supports changes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975250A (en) * | 2017-11-23 | 2018-05-01 | 杭州敦固建筑特种工程有限公司 | A kind of synchronization dystopy jack-up system and method |
| CN108677765A (en) * | 2018-08-03 | 2018-10-19 | 中水电第十工程局（郑州）有限公司 | A kind of bridge Integral synchronous jacking bearing replaces system and construction method |
| CN110170236A (en) * | 2019-06-21 | 2019-08-27 | 杭州路成环保科技有限公司 | A kind of spray absorber and its construction method |
| CN112878203A (en) * | 2021-01-26 | 2021-06-01 | 江苏筑港建设集团有限公司 | Lifting beam operation method for synchronously jacking beam body |
-
2016
- 2016-07-08 CN CN201620719106.1U patent/CN205874994U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975250A (en) * | 2017-11-23 | 2018-05-01 | 杭州敦固建筑特种工程有限公司 | A kind of synchronization dystopy jack-up system and method |
| CN108677765A (en) * | 2018-08-03 | 2018-10-19 | 中水电第十工程局（郑州）有限公司 | A kind of bridge Integral synchronous jacking bearing replaces system and construction method |
| CN108677765B (en) * | 2018-08-03 | 2023-12-01 | 中电建十一局工程有限公司 | Bridge integral synchronous jacking support replacing system and construction method |
| CN110170236A (en) * | 2019-06-21 | 2019-08-27 | 杭州路成环保科技有限公司 | A kind of spray absorber and its construction method |
| CN110170236B (en) * | 2019-06-21 | 2022-02-11 | 杭州路成环保科技有限公司 | Spray absorption tower and construction method thereof |
| CN112878203A (en) * | 2021-01-26 | 2021-06-01 | 江苏筑港建设集团有限公司 | Lifting beam operation method for synchronously jacking beam body |
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Address after: 210000 room 1501, building B, 88 Yunlong Shan Road, Nanjing, Jiangsu. Patentee after: Jiangsu Yan Ning Engineering Science and Technology Group Co., Ltd. Address before: 210000 room 1501, building B, 88 Yunlong Shan Road, Nanjing, Jiangsu. Patentee before: Jiangsu Yearning Construction Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 210017 4, building 223, Shui Simen street, Jianye District, Nanjing, Jiangsu. Patentee after: Jiangsu Yan Ning Engineering Science and Technology Group Co., Ltd. Address before: 210000 room 1501, building B, 88 Yunlong Shan Road, Nanjing, Jiangsu. Patentee before: Jiangsu Yan Ning Engineering Science and Technology Group Co., Ltd. |
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