CN107161884A - Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof - Google Patents
Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof Download PDFInfo
- Publication number
- CN107161884A CN107161884A CN201710293024.4A CN201710293024A CN107161884A CN 107161884 A CN107161884 A CN 107161884A CN 201710293024 A CN201710293024 A CN 201710293024A CN 107161884 A CN107161884 A CN 107161884A
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- Prior art keywords
- tower crane
- mechanical device
- girder
- structural support
- climbing frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009194 climbing Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 15
- 210000003414 extremity Anatomy 0.000 claims description 11
- 210000001364 upper extremity Anatomy 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
- B66C23/286—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements with locking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
A mechanical device integrating a tower crane climbing frame with a structural support beam and a using method thereof comprise: the tower crane tower body main limb device comprises a main beam, secondary beams, a jacking device, a connecting rod and a climbing claw cushion block, wherein the main beam is divided into two paths, the jacking device is arranged at the main beam position of the tower crane tower body main limb, the secondary beams are perpendicularly connected with the inner side of the main beam at the outer ends of the main beam jacking device, the jacking device is arranged at the main beam position of the tower crane tower body main limb, the two ends of the connecting rod are connected with the secondary beams, and the climbing claw cushion block is positioned on the upper edge of the main beam. The device is more convenient to install and disassemble, saves materials, eliminates the adverse effect caused by an unreasonable force transfer structure, improves the structural safety degree, and is suitable for the attachment modes of tower cranes such as internal climbing, external hanging and the like.
Description
Technical field
The present invention relates to tower crane attachment lift technique field, and in particular to a kind of tower crane climbing frame is unified with structural support beam
Mechanical device and its application method.
Background technology
In recent years, China's high-rise building is continued to bring out, and skyscraper emerges in an endless stream.In construction of super highrise building process
In, vertical transporting equipment tower crane plays vital effect, general using frame connection of climbing between tower crane and support system,
The frame that climbs is connected with the structural support beam upper limb in support system by bolt overlapping, and the force path of tower crane work is：Tower crane
Work counter-force → frame → support system → built-in connection → foundation structure of climbing.
Prior art exists following not enough：1. power transmission link is more, and construction is complicated；2. construction peace tears inconvenience open, takes time and effort；
3. climb between frame and structural support beam by bolt overlap connect, supporting construction and climb frame lateral stability it is poor, have compared with
Big potential safety hazard；4. the duration is influenceed, waste of materials is less economical.
The content of the invention
The mechanical device unified it is an object of the invention to provide a kind of tower crane climbing frame and structural support beam and its user
Method, solves many attachment frame power transmission links in the prior art, construction complexity, peace and tears construction inconvenience, the technical barrier of stability difference open, subtract
Few power transmission link, improves peace and tears efficiency and structure safety open, save material.
To achieve the above object, the present invention is adopted the following technical scheme that：
The mechanical device that a kind of tower crane climbing frame is unified with structural support beam, generally rectangle frame, it is characterised in that：Including master
Beam, secondary beam and contact bar；The girder has twice, is disposed in parallel relation to one another；Totally four sections of the secondary beam, is respectively and vertically fixed at two masters
End on the inside of beam；The contact bar has two, is connected to girder between two secondary beams of one end；The girder and time
The holding device for being fastened with the main limb of tower crane tower body is equipped with beam.
As the preferred technical solution of the present invention, the upper limb of the girder climbs palmula block provided with one group, sets quantity and tower
Hang that to climb pawl quantity identical.
It is further preferred that the section form of the girder is box, H types, groove profile, compound section or lattice.
It is further preferred that the section form of the secondary beam is box, H types, groove profile, compound section or lattice.
It is further preferred that hole to be provided is offered in the main limb position of tower crane tower body on the web of the girder and secondary beam, institute
State and holding device is set in hole to be provided.
It is further preferred that the secondary beam is located at the outer end of the holding device on girder, it is connected with girder inner vertical.
In addition, the present invention also protects the user of a kind of above-mentioned tower crane climbing frame and the mechanical device of structural support beam unification
Method, it is characterised in that comprise the following steps：
Step 1: determining the size of mechanical device：According to tower crane size and construction site condition, the size of mechanical device is determined,
And then determine the size of each component；
Step 2: material prepares：The preparation of each part is carried out according to the size of determination, the connection of each part girder is fabricated to, secondary
Beam, contact bar, girder one or both ends set connector；
Step 3: the preparation of mechanical device framework：Fixation including primary-secondary beam, the installation for contacting bar and holding device installation site
It is default, hole to be provided is offered in the main limb position of tower crane tower body on the web of girder and secondary beam, holding device is inside set；
Step 4: the arrangement of bottom mechanical device framework：By the mechanical device frame arrangement made in predeterminated position；
Laid Step 5: bottom mechanical device framework is fixed with tower crane：The connector of the end of main beam of mechanical device is consolidated with basis
Fixed connection, tower crane climbs pawl and is correspondingly arranged at the climbing on palmula block of the upper limb of girder；
Step 6: the lifting of upper strata mechanical device framework：Another mechanical device framework made is lifted to design attitude
And fixed with foundation structure；
Step 7: arrangement and the fixation of upper strata mechanical device framework：Mechanical device framework is carried out with reference to step 4 and step 5
Arrangement is with fixing, and regulation holding device holds out against the main limb of reinforcement section of tower crane tower body；
Step 8: overall quality inspection：Tower crane climbing frame installs in place with the mechanical device that structural support beam is unified, and carries out construction quality
Quality inspection.
Compared with existing design, the present invention has advantages below：
Mechanical device simple structure of the present invention, is integrated the framework that climbs by crane machine part and structural support members design, is
Crane machine part and structural support members are integrated, and the tower crane counter-force that works is directly acted on built-in connection and basis
Structure, reduces power transmission link, saves material, improves efficiency of construction；When eliminating the frame that climbs with structural support beam split setting,
By bolt overlap connection, supporting construction and climb frame lateral stability it is poor, have the technical problem of larger potential safety hazard, keep away
Exempt from unreasonable force transfer structure and produced the eccentric adverse effect reversed, improved strcture safety, efficiently solve in existing system,
The frame that climbs is connected with the girder upper limb in support system by bolt overlapping, and the frame that climbs passes to the power of girder, and girder will be produced
The problem of detrimental effect of raw eccentric torsion.Plug-in, interior suitable for tower crane such as climbs at attachment or the mode of climbing, and is both crane machine
Climb and the load part of device, are also the main load-carrying member of tower crane support structure.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
Become apparent from and be easier to understand, these accompanying drawings are schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the dimensional structure diagram of mechanical device of the present invention；
Fig. 2 is Fig. 1 schematic top plan view；
Fig. 3 is the use state schematic diagram that mechanical device of the present invention coordinates with tower crane.
Reference：1- girders, 2- secondary beams, 3- contacts bar, 4- holding devices, 5- climb palmula block, 6- connectors, 7- and reserved
Hole, 8- are put more energy into floor, 9- tower crane tower bodies.
Embodiment
Hereinafter, describe with reference to the accompanying drawings mechanical device that tower crane climbing frame and the structural support beam of the present invention unify and
The embodiment of its application method.
The embodiment recorded herein is the specific embodiment of the present invention, the design for illustrating the present invention,
It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious
The other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part
And its correlation.It note that between the structure of each part for the ease of clearly showing the embodiment of the present invention, each accompanying drawing
Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As illustrated in figs. 1 and 2, the mechanical device that tower crane climbing frame of the present invention is unified with structural support beam is overall
For rectangular frame, it is characterised in that：Including girder 1, secondary beam 2 and contact bar 3；The girder 1 has twice, is disposed in parallel relation to one another；
The secondary beam 3 is steel short beam, totally four sections, is respectively and vertically fixed at the end of the inner side of two girder 1；The contact bar 3 has two, point
Girder is not connected to between two secondary beams 3 of one end；It is equipped with the girder 1 and secondary beam 2 for tight with the main limb of tower crane tower body
Solid holding device 4；The two ends of the girder 1 are equipped with the connector 6 for being connected with supporting construction.The connector
For triangle, trapezoidal, rectangle or curved plate, it is vertically fixed on the end face of girder 1, and passes through several floors 8 of putting more energy into
Reinforced.The connected mode on the connector 6 and basis is bearing pin, bolt, welding or the spacing combination with overlap joint.The master
The upper limb of beam 1 is additionally provided with one group and climbs palmula block 5, sets quantity to climb pawl quantity with tower crane identical.
As preferred technical scheme, the girder 1 can using section form as box, H types, groove profile, compound section or
Lattice.The secondary beam 2 can using section form as box, H types, groove profile, compound section or lattice.The girder 1 and time
The number that holding device 4 in holding device 4, every beam body is set in hole to be provided 7, the hole to be provided is offered on the web of beam 2
It can be 1~4.The secondary beam 2 is located at the outer end of the holding device on girder 1, is connected with the inner vertical of girder 1.
The use state schematic diagram that Fig. 3 is mechanical device of the present invention to be coordinated with tower crane, above-mentioned tower crane climbing frame with
The application method of the mechanical device of structural support beam unification comprises the following steps：
Step 1: determining the size of mechanical device：According to tower crane size and construction site condition, the size of mechanical device is determined,
And then determine the size of each component；
Step 2: material prepares：The preparation of each part is carried out according to the size of determination, the connection of each part girder 1 is fabricated to, secondary
Beam 2, contact bar 3, the one or both ends of girder 1 set connector 6；
Step 3: the preparation of mechanical device framework：Fixation including primary-secondary beam, the installation for contacting bar 3 and the installation position of holding device 4
Put default, offer hole to be provided 7 in the main limb position of tower crane tower body on the web of girder 1 and secondary beam 2, inside set holding device 4；
Step 4: the arrangement of bottom mechanical device framework：By the mechanical device frame arrangement made in predeterminated position；
Laid Step 5: bottom mechanical device framework is fixed with tower crane：The connector 6 of the end of girder 1 of mechanical device and basis
It is fixedly connected, tower crane climbs pawl and is correspondingly arranged at the climbing on palmula block 5 of the upper limb of girder 1；
Step 6: the lifting of upper strata mechanical device framework：Another mechanical device framework made is lifted to design attitude
And fixed with foundation structure；
Step 7: arrangement and the fixation of upper strata mechanical device framework：Mechanical device framework is carried out with reference to step 4 and step 5
Arrangement is with fixing, and regulation holding device 4 holds out against the main limb of reinforcement section of tower crane tower body 9；
Step 8: overall quality inspection：Tower crane climbing frame installs in place with the mechanical device that structural support beam is unified, and carries out construction quality
Quality inspection.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. the mechanical device that a kind of tower crane climbing frame is unified with structural support beam, generally rectangle frame, it is characterised in that：Including master
Beam（1）, secondary beam（2）With contact bar（3）；The girder（1）There are twice, be disposed in parallel relation to one another；The secondary beam（3）Totally four sections, point
Two girders are not vertically fixed on（1）The end of inner side；The contact bar（3）There are two, be connected to girder with the two of one end
Individual secondary beam（2）Between；The girder（1）And secondary beam（2）On be equipped with for and tower crane tower body（9）The holding device of main limb fastening
（4）.
2. the mechanical device that a kind of tower crane climbing frame according to claim 1 is unified with structural support beam, it is characterised in that：
The girder（1）Upper limb climb palmula block provided with one group（5）, set quantity to climb pawl quantity with tower crane identical.
3. the mechanical device that a kind of tower crane climbing frame according to claim 1 is unified with structural support beam, it is characterised in that：
The girder（1）Section form be box, H types, groove profile, compound section or lattice.
4. the mechanical device that a kind of tower crane climbing frame according to claim 1 is unified with structural support beam, it is characterised in that：
The secondary beam（2）Section form be box, H types, groove profile, compound section or lattice.
5. the mechanical device that a kind of tower crane climbing frame according to claim 1 is unified with structural support beam, it is characterised in that：
The girder（1）And secondary beam（2）Web on offer hole to be provided in the main limb position of tower crane tower body（7）, set in the hole to be provided
Holding device（4）.
6. the mechanical device that a kind of tower crane climbing frame according to claim 1 is unified with structural support beam, it is characterised in that：
The secondary beam（2）Positioned at girder（1）On holding device outer end, with girder（1）Inner vertical is connected.
7. the machinery dress that a kind of a kind of tower crane climbing frame as described in claim 1~6 any one is unified with structural support beam
The application method put, it is characterised in that comprise the following steps：
Step 1: determining the size of mechanical device：According to tower crane size and construction site condition, the size of mechanical device is determined,
And then determine the size of each component；
Step 2: material prepares：The preparation of each part is carried out according to the size of determination, the connection of each part is fabricated to girder（1）、
Secondary beam（2）, contact bar（3）, girder（1）One or both ends set connector（6）；
Step 3: the preparation of mechanical device framework：Fixation including primary-secondary beam, contact bar（3）Installation and holding device（4）Peace
Holding position is preset, girder（1）And secondary beam（2）Web on offer hole to be provided in the main limb position of tower crane tower body（7）, inside set and hold out against
Device（4）；
Step 4: the arrangement of bottom mechanical device framework：By the mechanical device frame arrangement made in predeterminated position；
Laid Step 5: bottom mechanical device framework is fixed with tower crane：The girder of mechanical device（1）The connector of end（6）With
Basis is fixedly connected, and tower crane climbs pawl and is correspondingly arranged at girder（1）Upper limb climb palmula block（5）On；
Step 6: the lifting of upper strata mechanical device framework：Another mechanical device framework made is lifted to design attitude
And fixed with foundation structure；
Step 7: arrangement and the fixation of upper strata mechanical device framework：Mechanical device framework is carried out with reference to step 4 and step 5
Arrangement and fixed, regulation holding device（4）Hold out against tower crane tower body（9）The main limb of reinforcement section；
Step 8: overall quality inspection：Tower crane climbing frame installs in place with the mechanical device that structural support beam is unified, and carries out construction quality
Quality inspection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710293024.4A CN107161884A (en) | 2017-04-28 | 2017-04-28 | Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof |
| PCT/CN2018/074116 WO2018196453A1 (en) | 2017-04-28 | 2018-01-25 | Tower crane climbing frame and structural support beam integrated mechanical device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710293024.4A CN107161884A (en) | 2017-04-28 | 2017-04-28 | Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107161884A true CN107161884A (en) | 2017-09-15 |
Family
ID=59813386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710293024.4A Pending CN107161884A (en) | 2017-04-28 | 2017-04-28 | Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107161884A (en) |
| WO (1) | WO2018196453A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018196453A1 (en) * | 2017-04-28 | 2018-11-01 | 中国建筑股份有限公司 | Tower crane climbing frame and structural support beam integrated mechanical device and using method thereof |
| CN111056453A (en) * | 2019-12-24 | 2020-04-24 | 上海市机械施工集团有限公司 | Installation method of climbing part of internal climbing tower crane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203788A (en) * | 1999-01-12 | 2000-07-25 | Ishikawajima Transport Machinery Co Ltd | Climbing crane |
| CN203212244U (en) * | 2013-04-28 | 2013-09-25 | 中联重科股份有限公司 | Internal climbing tower crane |
| CN103588117A (en) * | 2013-11-22 | 2014-02-19 | 中联重科股份有限公司 | Internal climbing tower crane |
| CN106429896A (en) * | 2016-10-12 | 2017-02-22 | 中国建筑第四工程局有限公司珠海分公司 | Special C-shaped beam used for tower crane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202953748U (en) * | 2012-12-12 | 2013-05-29 | 中国建筑第二工程局有限公司 | Wall-attached structure of overhanging external hanging type self-climbing tower crane |
| CN202954577U (en) * | 2012-12-12 | 2013-05-29 | 中国建筑第二工程局有限公司 | Bearing beam reinforcing structure of large-tonnage self-climbing tower crane wall-attached embedded part |
| CN106276630A (en) * | 2016-09-30 | 2017-01-04 | 沈阳建筑大学 | A kind of internal-climbing tower crane supporting construction of band shearing frame |
| CN107161884A (en) * | 2017-04-28 | 2017-09-15 | 中国建筑股份有限公司 | Mechanical device integrating tower crane climbing frame and structural support beam and using method thereof |
-
2017
- 2017-04-28 CN CN201710293024.4A patent/CN107161884A/en active Pending
-
2018
- 2018-01-25 WO PCT/CN2018/074116 patent/WO2018196453A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000203788A (en) * | 1999-01-12 | 2000-07-25 | Ishikawajima Transport Machinery Co Ltd | Climbing crane |
| CN203212244U (en) * | 2013-04-28 | 2013-09-25 | 中联重科股份有限公司 | Internal climbing tower crane |
| CN103588117A (en) * | 2013-11-22 | 2014-02-19 | 中联重科股份有限公司 | Internal climbing tower crane |
| CN106429896A (en) * | 2016-10-12 | 2017-02-22 | 中国建筑第四工程局有限公司珠海分公司 | Special C-shaped beam used for tower crane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018196453A1 (en) * | 2017-04-28 | 2018-11-01 | 中国建筑股份有限公司 | Tower crane climbing frame and structural support beam integrated mechanical device and using method thereof |
| CN111056453A (en) * | 2019-12-24 | 2020-04-24 | 上海市机械施工集团有限公司 | Installation method of climbing part of internal climbing tower crane |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018196453A1 (en) | 2018-11-01 |
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Effective date of registration: 20180123 Address after: 100037 Beijing, Haidian District, Li River Road, No. three, No. 15 Applicant after: CHINA STATE CONSTRUCTION ENGINEERING Corp.,Ltd. Applicant after: CHINA CONSTRUCTION FIRST Group Corp.,Ltd. Address before: 100037 Beijing, Haidian District, Li River Road, No. three, No. 15 Applicant before: CHINA STATE CONSTRUCTION ENGINEERING Corp.,Ltd. Applicant before: CHINA CONSTRUCTION FIRST Group Corp.,Ltd. Applicant before: CHINA CONSTRUCTION-BAILI ENGINEERING TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Application publication date: 20170915 |
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