CN107720570A - A kind of tower mast structure tower crane sustaining wall servicing unit - Google Patents
A kind of tower mast structure tower crane sustaining wall servicing unit Download PDFInfo
- Publication number
- CN107720570A CN107720570A CN201711094486.XA CN201711094486A CN107720570A CN 107720570 A CN107720570 A CN 107720570A CN 201711094486 A CN201711094486 A CN 201711094486A CN 107720570 A CN107720570 A CN 107720570A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- tower mast
- tower
- base
- motor
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000006096 absorbing agent Substances 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 15
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 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
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of tower mast structure tower crane sustaining wall servicing unit, including tower mast body and base, connected between the bottom of the tower mast body and base by multiple damping shock absorbers, the side of the base is fixedly connected with bearing block, slide bar is fixedly connected with the top of the bearing block, the one end of the slide bar away from bearing block is through tower mast body and stretches out, device chamber is provided with the base, described device intracavitary is rotatably connected to threaded rod, fixed cover is connected to first gear on the threaded rod, side of the base away from bearing block is provided with motor, it is fixedly connected between the motor and base by fix bar.This light with movable bubble of the present invention, enhances the illumination dynamics of night time operation, improves the security of night time operation, and increases the efficiency of night work, while the height of tower mast be free to adjust, and enhance the scope of application of device.
Description
Technical field
The present invention relates to a kind of cable, more particularly to a kind of tower mast structure tower crane sustaining wall servicing unit.
Background technology
Tower crane is a kind of crane gear the most frequently used on construction site, with a section spreading, as a steel tower
Form, derrick crane is also, is building for the equipment of the construction raw material such as the reinforcing bar of hoisting construction, wood stupefied, scaffold tubes
Construct a kind of essential equipment.
And the safety problem of tower crane is often considered when designing tower crane, because the illuminating lamp of general tower crane is fixed and
Position is higher, is not easy to night work, while the height of tower mast can not be adjusted freely, therefore, a kind of it is proposed that tower mast machine
Structure tower crane sustaining wall servicing unit solves the above problems.
The content of the invention
The invention aims to solve, the illuminating lamp of general tower crane in the prior art is fixed and position is higher not
Be easy to night work, highly can not freely regulated problem, and propose a kind of tower mast structure tower crane sustaining wall servicing unit.
To achieve these goals, present invention employs following technical scheme：
A kind of tower mast structure tower crane sustaining wall servicing unit, including tower mast body and base, the bottom of the tower mast body and base
Between connected by multiple damping shock absorbers, the side of the base is fixedly connected with bearing block, and the top of the bearing block is consolidated
Surely slide bar is connected with, the one end of the slide bar away from bearing block is through tower mast body and stretches out, and dress is provided with the base
Chamber is put, described device intracavitary is rotatably connected to threaded rod, and fixed cover is connected to first gear on the threaded rod, and the base is remote
The side of bearing block is provided with motor, is fixedly connected between the motor and base by fix bar, the driving electricity
The output end of machine runs through the outer wall of base and extended to device intracavitary, and one end of the motor output end extension is fixedly sleeved
There is the second gear being meshed with first gear, one end of the threaded rod is run through the inner top of device chamber and prolonged to tower mast body
Stretch, the tower mast body is provided with thread groove corresponding with threaded rod, and the lateral wall of the tower mast body is provided with motor, described
Motor is fixedly connected on the upper surface of tower mast body cross face, and the side of the motor is provided with winding wheel, and the winding wheel passes through
The output shaft rotation of belt and motor connects, and the lower end of winding wheel is movably connected in the upper surface of tower mast body cross face, institute
The side wall for stating tower mast body cross face is provided with holding tank, and the first spring is fixedly connected with the side wall of the holding tank, described
One end of first spring is fixedly connected with sliding panel, and the sliding panel is movably connected in the side wall of holding tank, the sliding panel
One end be fixedly connected with abseiling, around being located on take-up volume, the lower surface of the sliding panel is fixedly connected for one end of the abseiling
There is fixed plate, and one end of fixed plate through the through hole accommodated in groove sidewall and extends to the outside of tower mast body, the fixation
Accommodating chamber is provided with plate, is provided with second spring in the accommodating chamber, one end of the second spring is fixedly connected with movable plate, institute
State and arm-tie is fixedly connected with a side wall of movable plate, one end of the arm-tie passes through the side wall of accommodating chamber and extends to fixed plate
Outside, the lower end of the fixed plate is provided with groove, and sliding bar is inserted with the groove, and the lower end of the sliding bar, which is fixed, to be connected
Lighting bulb is connected to, inserted link is fixedly connected with the side wall of the movable plate, the inserted link is through accommodating chamber and is plugged in sliding
On bar.
Preferably, one end of the inserted link is fixedly connected with conical rod, and the small end of the conical rod is plugged on sliding bar.
Preferably, the side wall of the holding tank is provided with chute, and the sliding panel is slidably connected in chute.
Preferably, the side wall of the arm-tie is provided with multiple projections, and the raised cross section is triangle.
Preferably, one end of the motor is fixedly connected with connecting plate, and the connecting plate is fixed by multiple fastening bolts
It is connected in the cross face of tower mast body.
Preferably, the first belt pulley is fixedly connected with the output shaft of the motor, is consolidated in the rotary shaft of the winding wheel
Surely the second belt pulley is connected with, is connected between first belt pulley and the second belt pulley by belt.
Preferably, it is arranged with the 3rd spring on the slide bar, the both ends of the 3rd spring are respectively with tower mast body and holding
Pouring weight is fixedly connected.
Preferably, the bottom of the base is fixedly connected with multiple latch segments, and the latch segment is provided with keeper.
The present invention, first open motor and drive threaded rod to rotate, adjust the height of tower mast body, while slide bar can be to prevent
Only tower mast body rocks, and the 3rd spring can play certain resilient support to tower mast body, passes through output when motor works
Axle drives belt operating, and in the rotation by belt drive winding wheel, the movement of sliding panel is driven by folding and unfolding abseiling, so that
Lighting bulb moves to required position, when lighting bulb damages, arm-tie can be pulled conical rod is removed outside sliding bar, so as to take out
Slide bar and change lighting bulb.This light with movable bubble, enhances the illumination dynamics of night time operation, improves night time operation
Security, and increase the efficiency of night work, while the height of tower mast be free to adjust, and enhance the suitable of device
Use scope.
Brief description of the drawings
Fig. 1 is a kind of structural representation of tower mast structure tower crane sustaining wall servicing unit proposed by the present invention；
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
In figure：1 tower mast body, 2 motors, 3 winding wheels, 4 belts, 5 first springs, 6 sliding panels, 7 fixed plates, 8 second bullets
Spring, 9 movable plates, 10 arm-ties, 11 sliding bars, 12 lighting bulbs, 13 inserted links, 14 bases, 15 damping shock absorbers, 16 bearing blocks, 17
Slide bar, 18 threaded rods, 19 first gears, 20 motors, 21 fix bars, 22 second gears, 23 the 3rd springs, 24 latch segments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Reference picture 1-2, a kind of tower mast structure tower crane sustaining wall servicing unit, including tower mast body 1 and base 14, tower mast body
Connected between 1 bottom and base 14 by multiple damping shock absorbers 15, certain damping, buffering is played to tower mast body 1 and is made
With the side of base 14 is fixedly connected with bearing block 16, and for supporting slider 17, the top of bearing block 16 is fixedly connected with slide bar
17, prevent tower mast body 1 from rocking, the one end of slide bar 17 away from bearing block 16 is through tower mast body 1 and stretches out；
Device chamber is provided with base 14, device intracavitary is rotatably connected to threaded rod 18, for driving tower mast body 1 to rise, screw thread
Fixed cover is connected to first gear 19 on bar 18, and for driving threaded rod 18 to rotate, side of the base 14 away from bearing block 16 is provided with
Motor 20, for driving second gear 22 to rotate, it is fixedly connected between motor 20 and base 14 by fix bar 21,
The output end of motor 20 runs through the outer wall of base 14 and extended to device intracavitary, one end of the output end of motor 20 extension
Fixed cover is connected to the second gear 22 being meshed with first gear 19, for driving first gear 19 to rotate, the one of threaded rod 18
End is run through the inner top of device chamber and extended to tower mast body 1, and tower mast body 1 is provided with and 18 corresponding thread groove of threaded rod；
The lateral wall of tower mast body 1 is provided with motor 2, and motor 2 is fixedly connected on the upper surface of the cross face of tower mast body 1, specifically
Say, one end of motor 2 is fixedly connected with connecting plate, and connecting plate is fixedly connected on tower mast body 1 by multiple fastening bolts
In cross face, the side of motor 2 is provided with winding wheel 3, and winding wheel 3 is connected by belt 4 with the output shaft rotation of motor 2, specifically
Say, the first belt pulley is fixedly connected with the output shaft of motor 2, the second belt is fixedly connected with the rotary shaft of winding wheel 3
Wheel, is connected, and the lower end of winding wheel 3 is movably connected in tower mast sheet between the first belt pulley and the second belt pulley by belt 4
The upper surface of the cross face of body 1.
The side wall of the cross face of tower mast body 1 is provided with holding tank, is fixedly connected with the first spring 5 in the side wall of holding tank, and first
One end of spring 5 is fixedly connected with sliding panel 6, and sliding panel 6 is movably connected in the side wall of holding tank, concretely, holding tank
Side wall be provided with chute, sliding panel 6 is slidably connected in chute, and one end of sliding panel 6 is fixedly connected with abseiling, the one of abseiling
End is around being located on take-up volume 3, and the lower surface of sliding panel 6 is fixedly connected with fixed plate 7, and one end of fixed plate 7 passes through holding tank
Through hole in side wall simultaneously extends to the outside of tower mast body 1, and accommodating chamber is provided with fixed plate 7, and accommodating chamber is interior to be provided with second spring
8, one end of second spring 8 is fixedly connected with movable plate 9, is fixedly connected with arm-tie 10 in a side wall of movable plate 9, specifically
Say, the side wall of arm-tie 10 is provided with multiple projections, and raised cross section is triangle, and one end of arm-tie 10 passes through the side of accommodating chamber
Wall and the outside for extending to fixed plate 7, the lower end of fixed plate 7 are provided with groove, and sliding bar 11 is inserted with groove, sliding bar 11
Lower end is fixedly connected with lighting bulb 12, inserted link 13 is fixedly connected with the side wall of movable plate 9, inserted link 13 is through accommodating chamber and inserts
It is located on sliding bar 11, concretely, one end of inserted link 13 is fixedly connected with conical rod, and the small end end of conical rod is plugged in sliding
On bar 11, the 3rd spring 23 is arranged with slide bar 17, the both ends of the 3rd spring 23 are fixed with tower mast body 1 and bearing block 16 respectively
Connection, certain resilient support is played to tower mast body 1, the bottom of base 14 is fixedly connected with multiple latch segments 24, latch segment
24 are provided with keeper, facilitate firm banking 14.
In the present invention, first open motor 20 and drive threaded rod 18 to rotate, the height of regulation tower mast body 1 is simultaneously sliding
Bar 17 can prevent tower mast body 1 from rocking, and the 3rd spring 23 can play certain resilient support to tower mast body 1, when motor 2
Drive belt 4 to operate by output shaft during work, the work of winding wheel 3 is being driven by belt 4, is being driven and slided by folding and unfolding abseiling
The movement of dynamic plate 6, so that lighting bulb 12 moves to required position, when lighting bulb 12 damages, can pull arm-tie 10 to make circle
Bore bar to remove outside sliding bar 11, lighting bulb 12 is changed so as to take out sliding bar 11.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of tower mast structure tower crane sustaining wall servicing unit, including tower mast body（1）And base（14）, it is characterised in that it is described
Tower mast body（1）Bottom and base（14）Between pass through multiple damping shock absorbers（15）Connection, the base（14）Side
It is fixedly connected with bearing block（16）, the bearing block（16）Top be fixedly connected with slide bar（17）, the slide bar（17）It is remote
Bearing block（16）One end run through tower mast body（1）And stretch out, the base（14）It is interior to be provided with device chamber, described device chamber
Inside it is rotatably connected to threaded rod（18）, the threaded rod（18）Upper fixed cover is connected to first gear（19）, the base（14）Far
From bearing block（16）Side be provided with motor（20）, the motor（20）And base（14）Between pass through fix bar
（21）It is fixedly connected, the motor（20）Output end run through base（14）Outer wall and to device intracavitary extend, it is described
Motor（20）One end fixed cover of output end extension is connected to and first gear（19）The second gear being meshed（22）, it is described
Threaded rod（18）One end through device chamber inner top and to tower mast body（1）Extension, the tower mast body（1）Be provided with
Threaded rod（18）Corresponding thread groove, the tower mast body（1）Lateral wall be provided with motor（2）, the motor（2）It is fixed to connect
It is connected on tower mast body（1）The upper surface of cross face, the motor（2）Side be provided with winding wheel（3）, the winding wheel（3）It is logical
Cross belt（4）With motor（2）Output shaft rotation connection, and winding wheel（3）Lower end be movably connected in tower mast body（1）It is horizontal
The upper surface of end face, the tower mast body（1）The side wall of cross face is provided with holding tank, fixed in the side wall of the holding tank to connect
It is connected to the first spring（5）, first spring（5）One end be fixedly connected with sliding panel（6）, the sliding panel（6）Activity is even
It is connected in the side wall of holding tank, the sliding panel（6）One end be fixedly connected with abseiling, one end of the abseiling is around being located at take-up
Volume（3）On, the sliding panel（6）Lower surface be fixedly connected with fixed plate（7）, and fixed plate（7）One end pass through holding tank
Through hole in side wall simultaneously extends to tower mast body（1）Outside, the fixed plate（7）It is interior to be provided with accommodating chamber, in the accommodating chamber
Provided with second spring（8）, the second spring（8）One end be fixedly connected with movable plate（9）, the movable plate（9）Side
Arm-tie is fixedly connected with wall（10）, the arm-tie（10）One end through accommodating chamber side wall and extend to fixed plate（7）'s
Outside, the fixed plate（7）Lower end be provided with groove, be inserted with sliding bar in the groove（11）, the sliding bar（11）'s
Lower end is fixedly connected with lighting bulb（12）, the movable plate（9）Side wall on be fixedly connected with inserted link（13）, the inserted link
（13）Through accommodating chamber and it is plugged in sliding bar（11）On.
A kind of 2. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the inserted link（13）
One end be fixedly connected with conical rod, the small end of the conical rod is plugged in sliding bar（11）On.
3. a kind of tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the holding tank
Side wall is provided with chute, the sliding panel（6）It is slidably connected in chute.
A kind of 4. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the arm-tie（10）
Side wall be provided with multiple projections, the raised cross section is triangle.
A kind of 5. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the motor（2）
One end be fixedly connected with connecting plate, the connecting plate is fixedly connected on tower mast body by multiple fastening bolts（1）Horizontal end
On face.
A kind of 6. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the motor（2）
Output shaft on be fixedly connected with the first belt pulley, the winding wheel（3）Rotary shaft on be fixedly connected with the second belt pulley, institute
State and pass through belt between the first belt pulley and the second belt pulley（4）It is connected.
A kind of 7. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the slide bar（17）
On be arranged with the 3rd spring（23）, the 3rd spring（23）Both ends respectively with tower mast body（1）And bearing block（16）It is fixed
Connection.
A kind of 8. tower mast structure tower crane sustaining wall servicing unit according to claim 1, it is characterised in that the base（14）
Bottom be fixedly connected with multiple latch segments（24）, the latch segment（24）It is provided with keeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094486.XA CN107720570B (en) | 2017-11-09 | 2017-11-09 | Tower crane buttress auxiliary device of tower mast mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094486.XA CN107720570B (en) | 2017-11-09 | 2017-11-09 | Tower crane buttress auxiliary device of tower mast mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107720570A true CN107720570A (en) | 2018-02-23 |
| CN107720570B CN107720570B (en) | 2023-10-27 |
Family
ID=61214137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094486.XA Active CN107720570B (en) | 2017-11-09 | 2017-11-09 | Tower crane buttress auxiliary device of tower mast mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107720570B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758521A (en) * | 2018-05-28 | 2018-11-06 | 芜湖华诚农业技术有限公司 | A kind of LED street lamp easy to use |
| CN111768963A (en) * | 2020-08-06 | 2020-10-13 | 赣州诚博科技服务有限公司 | Fastening equipment is used in transformer production |
| CN113060658A (en) * | 2021-04-01 | 2021-07-02 | 杨晓凡 | Wall-attached connecting system for building tower crane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030171A (en) * | 2014-06-09 | 2014-09-10 | 成都绿迪科技有限公司 | Tower crane for civil engineering |
| TW201600443A (en) * | 2014-06-16 | 2016-01-01 | Joey Entpr Co Ltd | Crown block with synchronously moving illumination |
| WO2017020539A1 (en) * | 2015-08-02 | 2017-02-09 | 周兆弟 | Tower crane with a traveling mechanism |
| CN107215785A (en) * | 2017-07-20 | 2017-09-29 | 无锡石油化工起重机有限公司 | The special fixed single-beam cantilever loop wheel machine of post beam |
-
2017
- 2017-11-09 CN CN201711094486.XA patent/CN107720570B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030171A (en) * | 2014-06-09 | 2014-09-10 | 成都绿迪科技有限公司 | Tower crane for civil engineering |
| TW201600443A (en) * | 2014-06-16 | 2016-01-01 | Joey Entpr Co Ltd | Crown block with synchronously moving illumination |
| WO2017020539A1 (en) * | 2015-08-02 | 2017-02-09 | 周兆弟 | Tower crane with a traveling mechanism |
| CN107215785A (en) * | 2017-07-20 | 2017-09-29 | 无锡石油化工起重机有限公司 | The special fixed single-beam cantilever loop wheel machine of post beam |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758521A (en) * | 2018-05-28 | 2018-11-06 | 芜湖华诚农业技术有限公司 | A kind of LED street lamp easy to use |
| CN111768963A (en) * | 2020-08-06 | 2020-10-13 | 赣州诚博科技服务有限公司 | Fastening equipment is used in transformer production |
| CN113060658A (en) * | 2021-04-01 | 2021-07-02 | 杨晓凡 | Wall-attached connecting system for building tower crane |
| CN113060658B (en) * | 2021-04-01 | 2023-01-06 | 湖南湘鼎机械设备有限公司 | Wall-attached connecting system for building tower crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107720570B (en) | 2023-10-27 |
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Effective date of registration: 20230926 Address after: 014060 No. 83A Huanghe Street, Rare Earth High tech Zone, Baotou City, Inner Mongolia Autonomous Region Applicant after: CHINA SECOND METALLURGY GROUP Co.,Ltd. Address before: No.116, Chengdong Road, Zhengzhou, Henan 450003 Applicant before: CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION Corp.,Ltd. |
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Effective date of registration: 20240128 Address after: No.116, Chengdong Road, Zhengzhou, Henan 450003 Patentee after: CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION Corp.,Ltd. Country or region after: China Address before: 014060 No. 83A Huanghe Street, Rare Earth High tech Zone, Baotou City, Inner Mongolia Autonomous Region Patentee before: CHINA SECOND METALLURGY GROUP Co.,Ltd. Country or region before: China |