CN111472534B - A steel operating platform for assisting the lifting of super-high-rise steel bars - Google Patents
A steel operating platform for assisting the lifting of super-high-rise steel bars Download PDFInfo
- Publication number
- CN111472534B CN111472534B CN202010364373.2A CN202010364373A CN111472534B CN 111472534 B CN111472534 B CN 111472534B CN 202010364373 A CN202010364373 A CN 202010364373A CN 111472534 B CN111472534 B CN 111472534B
- Authority
- CN
- China
- Prior art keywords
- steel
- lifting
- servo motor
- gear
- rack
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 230000009194 climbing Effects 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Types And Forms Of Lifts (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a steel operation platform for assisting in hoisting an ultra-high-rise steel bar, which comprises upright posts, cross bars, diagonal web members, top fences, a climbing ladder and positioning rods, wherein four cross bars are welded to four upright posts, one diagonal web member is welded to the outer facing corner between each cross bar and each upright post for reinforcement, the top fences are welded and fixed to the tops of the upright posts, and the positioning rods are welded and fixed between the two cross bars and are positioned at the bottoms of the upright posts.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel operation platform for assisting in hoisting of super high-rise steel bars.
Background
Along with the continuous development of new technology in the building field, more and more new structures are continuously emerging, so that the problem of difficult installation of the super high-rise steel bar concrete column is solved, and therefore, the super high-rise steel bar hoisting steel operation platform is required to be researched for assisting in hoisting of the steel bar, the efficiency is improved, and the construction period is shortened.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide the steel operation platform for assisting in hoisting of the super high-rise steel rod, which is simple and convenient to manufacture, has good safety and stability, can be partially suspended and recycled, and can improve the construction efficiency.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a steel operation platform for assisting hoist and mount of super high-rise steel bar, includes pole setting, horizontal pole, diagonal member, top rail, climbing ladder and locating lever, four pole setting welding four horizontal poles, the outside is consolidated to diagonal member of face angle welding between every horizontal pole and the pole setting, the top welded fastening of pole setting has a top rail, two welded fastening has the locating lever between the horizontal pole, the locating lever is located the pole setting bottom.
As a further proposal of the invention, the top fence is provided with a ladder opening, and the boarding ladder is welded on a cross bar which is provided with the ladder opening.
The invention further provides a scheme that the vertical rod adopts 10# channel steel, the cross rod adopts 10# channel steel, the diagonal web member adopts 50 x 5 angle steel, the top rail adopts 20 x4 angle steel, the climbing ladder adopts 20 x4 angle steel, and the positioning rod adopts 6# channel steel.
As a further scheme of the invention, the width of the stair section of the boarding ladder is 500mm, the height is 450mm, and the distances between the cross bars are equal.
As a further scheme of the invention, the operation platform comprises the following working steps:
Firstly, hoisting a welded operation platform to the position of an outer frame column of the operation platform by using a tower crane, suspending two upright rods on the outer side surface of the frame column, and welding and fixing the two upright rods on the inner side on the upper layer plate surface embedded part steel bars;
Secondly, welding the bottom end of the platform on an upper layer of steel bar by using a positioning rod, cutting off embedded part steel bars after the steel bar is installed, and hoisting and transferring the operation platform by using a tower crane after the positioning rod at the welding part is cut for next use.
The working steps of the tower crane are that a third driving servo motor drives a first gear to rotate, the first gear is meshed with a second rack and the first rack, the second rack and the first rack are driven to move relatively or oppositely, two clamping rods are driven to move relatively or oppositely, the two clamping rods are inserted between the inner sides of two vertical rods to fix the two clamping rods, meanwhile, the first driving servo motor drives a screw rod to rotate, the screw rod drives two movable clamps to move relatively or oppositely, the outer sides of the two vertical rods are fixed, finally, the second driving servo motor drives a transmission shaft to rotate, the second transmission shaft drives the second gear to rotate, and then a chain is driven to rotate, and a lifting sliding rail is driven to lift, so that an operation platform is driven to lift.
The tower crane comprises a base, a lifting slide rail, a first servo motor, a support column and a box body, wherein the support column is fixedly arranged at the top of the base, the box body is fixedly arranged at the top of the support column, a second servo motor is fixedly arranged on one side of the box body, a second transmission shaft is fixedly arranged on an output shaft of the second servo motor, extends into the box body and is rotationally connected with one side of the inner wall of the box body, a first transmission shaft is rotationally connected below the second transmission shaft, two gears are sleeved on the first transmission shaft and the second transmission shaft, two chains are sleeved on the second gears, a balancing weight is fixedly arranged at one end of each chain, the balancing weight is positioned in the support column, a lifting block is fixedly arranged at the other end of each chain, one side of each lifting block is fixedly connected with two guide rails arranged at one side of the support column, a rotating motor is fixedly arranged at one side of each lifting block, the rotating motor is rotationally connected with a small gear arranged at the other through a gear box, one end of each large gear is rotationally arranged on the other, the other is rotationally connected with one side of the large rotating disk, the other is rotationally connected with the other by a screw rod, the first servo motor is movably connected with one side of the sliding clamp, the screw rod is movably connected with the other, the screw rod is movably arranged at one side of the other is movably and is fixedly connected with the screw rod, and is movably connected with the other by the screw rod, and is movably arranged at one side of the screw rod, an output shaft of the servo motor III extends into the slide rail and is connected with a first gear, the first gear is connected with a first rack and a second rack respectively, and clamping rods are fixedly arranged on the second rack and the first rack;
Two guide wheels are rotatably mounted on one side of the lifting block, and the guide wheels are matched with guide rails mounted on two sides of the guide rail.
The invention has the beneficial effects that:
the invention has simple welding, better safety and stability, can rapidly assist the hoisting of the steel bar, has accurate positioning, meets the repeated use and temporary fixing effects, can accurately control the verticality of the steel bar within the allowable range, improves the installation efficiency of the steel bar and saves the construction cost;
According to the invention, the first gear is driven to rotate by driving the servo motor III, and the first gear is meshed with the second rack and the first rack, so that the second rack and the first rack are driven to move relatively or oppositely, and further the two clamping rods are driven to move relatively or oppositely, the two clamping rods are inserted between the inner sides of the two vertical rods and are fixed, and meanwhile, the first screw is driven to rotate by driving the servo motor I, and the screw drives the two movable clamps to move relatively or oppositely, so that the outer sides of the two vertical rods are fixed;
Finally, the second servo motor is driven to drive the second transmission shaft to rotate, the second transmission shaft drives the second gear to rotate, the chain is driven to rotate, the lifting slide rail is driven to lift, the guide wheels are matched with guide rails arranged on two sides of the guide rails, the lifting slide rail is guaranteed to lift in-process, the guide wheels are more stable, the operation platform is driven to lift, meanwhile, the rotating motor can be driven to rotate, the rotating motor drives the pinion to rotate through the gear box, the pinion and the large gear rotate, the large gear drives the lifting slide rail to rotate through the rotating disc, and then the operation platform can be fixed in the vertical direction, and meanwhile the operation platform can be driven to rotate.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic elevational view of the operational platform of the present invention;
FIG. 2 is a schematic side view of the operating platform of the present invention;
FIG. 3 is a schematic top view of the operating platform of the present invention;
FIG. 4 is a schematic diagram of the overall structure of the tower crane according to the invention;
FIG. 5 is a schematic view of the internal structure of the strut of the present invention;
FIG. 6 is a schematic view of the overall structure of the lifting slide rail of the present invention;
FIG. 7 is a schematic view of the overall structure of the lifting block of the present invention;
fig. 8 is a schematic view of the internal structure of the movable clamp of the present invention.
100 Parts of vertical rods, 200 parts of horizontal rods, 300 parts of diagonal web members, 400 parts of top rail, 500 parts of climbing stairs, 600 parts of positioning rods, 1 part of base, 2 parts of movable clamps, 3 parts of lifting slide rails, 4 parts of servo motors, 5 parts of lifting blocks, 6 parts of support posts, 7 parts of guide rails, 8 parts of box bodies, 9 parts of servo motors, 10 parts of chains, 11 parts of gears, 12 parts of racks, 13 parts of screws, 14 parts of clamping rods, 15 parts of slide rails, 16 parts of balancing weights, 17 parts of transmission shafts, 18 parts of transmission shafts, 19 parts of gears, 20 parts of transmission shafts, 21 parts of guide wheels, 22 parts of rotating motors, small gears, 23 parts of large gears, 24 parts of rotating disks, 25 parts of servo motors, 26 parts of racks, 27 parts of guide rails.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, a steel operation platform for assisting hoisting of super high-rise steel bars comprises a vertical rod 100, cross rods 200, diagonal web members 300, top fences 400, a climbing ladder 500 and positioning rods 600, wherein four cross rods 200 are welded to the vertical rod 100, one diagonal web member 300 is welded to the outer side facing corner between each cross rod 200 and the vertical rod 100 for reinforcement, the top of the vertical rod 100 is fixedly welded with the top fences 400, two positioning rods 600 are fixedly welded between the cross rods 200, and the positioning rods 600 are positioned at the bottom of the vertical rod 100.
The top rail 400 is provided with a landing entrance, and the boarding ladder 500 is welded to the cross bar 200 where the landing entrance is left.
The vertical rod 100 adopts 10# channel steel, the cross rod 200 adopts 10# channel steel, the diagonal web member 300 adopts 50 x 5 angle steel, the top rail 400 adopts 20 x 4 angle steel, the boarding ladder 500 adopts 20 x 4 angle steel, and the positioning rod 600 adopts 6# channel steel.
The width of the stair section of the boarding ladder is 500mm, the height is 450mm, and the distance between each two cross bars 200 is equal.
The operation platform comprises the following working steps:
Firstly, hoisting a welded operation platform to the position of an outer frame column of the operation platform by using a tower crane, suspending two upright rods 100 on the outer side surface of the frame column, and welding and fixing the two upright rods 100 on the inner side on the upper layer plate surface embedded part steel bars;
And secondly, welding the bottom end of the platform on an upper layer of steel rod by using a positioning rod 600, cutting off embedded part steel bars after the steel rod is installed, and hoisting the welded part positioning rod 600 by using a tower crane to remove the operation platform for next use.
The working steps of the tower crane hoisting are that a third servo motor 25 is driven to drive a first gear 11 to rotate, the first gear 11 is meshed with a second gear 26 and a first gear 12 to drive the second gear 26 and the first gear 12 to move relatively or oppositely, further drive two clamping rods 14 to move relatively or oppositely, the two clamping rods 14 are inserted between the inner sides of two vertical rods 100 to fix the two clamping rods, meanwhile, a first servo motor 4 is driven to drive a screw rod 13 to rotate, the screw rod 13 drives two movable clamps 2 to move relatively or oppositely, further the outer sides of the two vertical rods 100 are fixed, finally a second servo motor 9 is driven to drive a second transmission shaft 18 to rotate, the second transmission shaft 18 drives a second gear 19 to rotate, further drive a chain 10 to rotate, and drive a lifting sliding rail 3 to lift, so that an operating platform is driven to lift.
The tower crane hoisting comprises a base 1, a lifting slide rail 3, a first servo motor 4, a strut 6 and a box body 8, wherein the strut 6 is fixedly arranged at the top of the base 1, the box body 8 is fixedly arranged at the top of the strut 6, a second servo motor 9 is fixedly arranged at one side of the box body 8, a second transmission shaft 18 is fixedly arranged on an output shaft of the second servo motor 9, the second transmission shaft 18 extends into the box body 8 and is rotationally connected with one side of the inner wall of the box body 8, a first transmission shaft 17 is rotationally connected with the lower part of the second transmission shaft 18, two gears 19 are respectively sleeved on the first transmission shaft 17 and the second transmission shaft 18, two chains 10 are sleeved on the gears 19, one end of each chain 10 is fixedly provided with a balancing weight 16, the balancing weight 16 is positioned in the strut 6, the lifting block 5 is fixedly arranged at the other end of each chain 10, one side of the lifting block 5 is in sliding connection with two guide rails 7 arranged on one side of the supporting column 6, a rotating motor 21 is fixedly arranged on one side of the lifting block 5, the rotating motor 21 is connected with a pinion 22 rotatably arranged on the other side of the lifting block 5 through a gear box, the pinion 22 is connected with a large gear 23, one end of the large gear 23 is rotatably arranged on the other side of the lifting block 5, a rotary disk 24 is fixedly arranged at the other end of the large gear 23, a lifting slide rail 3 is fixedly arranged at the other end of the rotary disk 24, a first servo motor 4 is fixedly arranged on one side of the lifting slide rail 3, an output shaft of the first servo motor 4 is fixedly connected with a screw rod 13 which is rotatably arranged on the lifting slide rail 3, two sections of opposite threads are arranged on the screw rod 13, two movable clamps 2 are in threaded connection with the lifting slide rail 3, the inner sides of the two movable clamps 2 are fixedly provided with sliding rails 15, the inside of the movable clamps 2 is fixedly provided with a third servo motor 25, an output shaft of the third servo motor 25 extends into the sliding rails 15 and is connected with a first gear 11, the first gear 11 is respectively connected with a first rack 12 and a second rack 26, and clamping rods 14 are fixedly arranged on the second rack 26 and the first rack 12;
Two guide wheels 20 are rotatably arranged on one side of the lifting block 5, and the guide wheels 20 are matched with guide rails 27 arranged on two sides of the guide rail 7.
The working principle of the invention is that the servo motor III 25 is driven to drive the gear I11 to rotate, the gear I11 is meshed with the rack II 26 and the rack I12, so as to drive the rack II 26 and the rack I12 to move relatively or oppositely, further drive the two clamping rods 14 to move relatively or oppositely, the two clamping rods 14 are inserted between the inner sides of the two vertical rods 100 to fix the two vertical rods, and meanwhile, the servo motor I4 is driven to drive the screw rod 13 to rotate, and the screw rod 13 drives the two movable clamps 2 to move relatively or oppositely, so as to fix the outer sides of the two vertical rods 100;
Finally, the second servo motor 9 is driven to drive the second transmission shaft 18 to rotate, the second transmission shaft 18 drives the second gear 19 to rotate, and then drives the chain 10 to rotate, drives the lifting slide rail 3 to lift, the guide pulley 20 is matched with the guide rails 27 arranged on two sides of the guide rail 7, the lifting slide rail 3 is guaranteed to lift, and the operation platform is more stable in lifting, meanwhile, the rotating motor 21 can be driven to rotate, the rotating motor 21 drives the pinion 22 to rotate through the gear box, the pinion 22 and the large gear 23 rotate, the large gear 23 drives the lifting slide rail 3 to rotate through the rotating disc 24, and then the operation platform can be fixed in the vertical direction, and meanwhile, the operation platform can also be driven to rotate.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364373.2A CN111472534B (en) | 2020-04-30 | 2020-04-30 | A steel operating platform for assisting the lifting of super-high-rise steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010364373.2A CN111472534B (en) | 2020-04-30 | 2020-04-30 | A steel operating platform for assisting the lifting of super-high-rise steel bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111472534A CN111472534A (en) | 2020-07-31 |
| CN111472534B true CN111472534B (en) | 2025-04-01 |
Family
ID=71764292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010364373.2A Active CN111472534B (en) | 2020-04-30 | 2020-04-30 | A steel operating platform for assisting the lifting of super-high-rise steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111472534B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112872780B (en) * | 2021-01-14 | 2022-09-06 | 中广核工程有限公司 | Nuclear power plant's radials surrounding subassembly bolt demolishs device |
| CN113387294A (en) * | 2021-06-30 | 2021-09-14 | 山东中际智能装备有限公司 | High-power stator transfer device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320681A (en) * | 2015-07-02 | 2017-01-11 | 中天建设集团有限公司 | Elevator shaft standard operation platform and implementation platform |
| CN110242034A (en) * | 2019-06-21 | 2019-09-17 | 汕头市建筑工程总公司 | A kind of Mobile operating platform and its installation method for the installation of high-altitude pipe-line equipment |
| CN212249111U (en) * | 2020-04-30 | 2020-12-29 | 中建四局第六建设有限公司 | Steel operation platform for assisting hoisting of super high-rise steel bar |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19530742A1 (en) * | 1995-08-22 | 1997-02-27 | Plettac Ag | Boom arrangement for movable scaffolding |
| CN206697838U (en) * | 2017-05-24 | 2017-12-01 | 国网湖北省电力公司宜昌供电公司 | Line maintenance aerial work platform |
| CN208918231U (en) * | 2018-09-30 | 2019-05-31 | 江苏沪宁钢机股份有限公司 | A kind of safe and stable type welding operating platform for steel column top |
-
2020
- 2020-04-30 CN CN202010364373.2A patent/CN111472534B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320681A (en) * | 2015-07-02 | 2017-01-11 | 中天建设集团有限公司 | Elevator shaft standard operation platform and implementation platform |
| CN110242034A (en) * | 2019-06-21 | 2019-09-17 | 汕头市建筑工程总公司 | A kind of Mobile operating platform and its installation method for the installation of high-altitude pipe-line equipment |
| CN212249111U (en) * | 2020-04-30 | 2020-12-29 | 中建四局第六建设有限公司 | Steel operation platform for assisting hoisting of super high-rise steel bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111472534A (en) | 2020-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113321121B (en) | Hoisting device for prefabricated components of fabricated building | |
| CN110700418B (en) | Construction process for mounting laminated slab by matching laminated slab mounting trolley with tower crane | |
| CN114382296B (en) | Adjustable tooling for truss installation and construction method thereof | |
| CN207944689U (en) | A kind of architectural engineering Multifunctional lift scaffold | |
| CN111877746A (en) | High-rise building climbing pouring system and operation method thereof | |
| CN111302221A (en) | Integral utility tunnel base hoist and mount machinery of prefabricated assembly | |
| CN114150857A (en) | Construction method of attached type automatic climbing elevator shaft safety protection platform | |
| CN115961789A (en) | Construction and installation method of super high-rise building steel structure | |
| CN213538692U (en) | A trolley for guardrail construction | |
| CN219863986U (en) | Electric erecting device for building scaffold | |
| JPH10339033A (en) | Concrete multistory building construction device and construction method for concrete oblique post | |
| CN111472534A (en) | Steel operation platform for assisting hoisting of super high-rise steel bar | |
| CN116876809A (en) | A special platform base for bridge lifting scaffolding and its use method | |
| CN115140687A (en) | Combined movable lifting platform | |
| CN212249111U (en) | Steel operation platform for assisting hoisting of super high-rise steel bar | |
| CN210764202U (en) | Double-lifting working platform vehicle for building | |
| CN212802516U (en) | High-rise building climbing pouring system | |
| KR20090093544A (en) | System for elevating forms for construction and method for constructing a plurality of walls of building simultaneously using the same | |
| CN219569621U (en) | Assistant installation equipment for assembled building wallboard | |
| CN119083720A (en) | A climbing type automatic building construction machine and its linkage building construction system | |
| CN218580491U (en) | Automatic internal mold device for continuous beam pouring construction | |
| CN117306887A (en) | Prefabricated building beam-column frame construction equipment and method | |
| CN212072455U (en) | Drilling equipment is used in construction of bridge prefabricated plate | |
| CN223547611U (en) | Lifting and transporting device of integrated assembled building machine | |
| CN220768987U (en) | Building construction platform capable of expanding working space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20250116 Address after: 5 / F, building B, No. 16, Keyun Road, Tianhe District, Guangzhou City, Guangdong Province 510000 Applicant after: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION CORP.,LTD. Country or region after: China Applicant after: No 6 Construction Co.,Ltd. of China Construction Fourth Engineering Bureau Applicant after: China Construction Fourth Engineering Bureau Wuhu Construction Investment Co.,Ltd. Address before: 230000 21 / F and 22 / F, Zhongjian building, northeast corner, intersection of Tongling Road and Heping Road, Yaohai District, Hefei City, Anhui Province Applicant before: No 6 Construction Co.,Ltd. of China Construction Fourth Engineering Bureau Country or region before: China Applicant before: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION CORP.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |