CN106926358A - A kind of precast concrete pipe culvert mould form removal machine - Google Patents
A kind of precast concrete pipe culvert mould form removal machine Download PDFInfo
- Publication number
- CN106926358A CN106926358A CN201710284163.0A CN201710284163A CN106926358A CN 106926358 A CN106926358 A CN 106926358A CN 201710284163 A CN201710284163 A CN 201710284163A CN 106926358 A CN106926358 A CN 106926358A
- Authority
- CN
- China
- Prior art keywords
- form removal
- support body
- shift fork
- precast concrete
- fixed
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/90—Methods or apparatus for demoulding or discharging after shaping
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention provides a kind of precast concrete pipe culvert mould form removal machine, including gantry support body, suspension beam, rail assembly, movable motor and form removal mechanism support body, two suspension beams parallel to each other are fixed on gantry support body top, rail assembly is fixed on two inner sides of suspension beam, movable motor is fixed on form removal mechanism support body, the output end of movable motor coordinates with rail assembly, shift fork lifting thick stick is additionally provided with form removal mechanism support body, raising cylinder and form removal shift fork, the raising cylinder fixing end is hinged on form removal mechanism support body, the movable end of raising cylinder is hinged with one end of shift fork lifting thick stick, shift fork lifting thick stick medium position is hinged on form removal mechanism support body, the other end of shift fork lifting thick stick is hinged the top of form removal shift fork；The need for the present invention disclosure satisfy that production line, automaticity is greatly improved；Meet procedure calls, moreover it is possible to precise positioning, greatly improve production line mould open/close mould speed, reduce the input of manpower, reduce production cost.
Description
Technical field
The invention belongs to Urban Underground pipe gallery production and construction field, more particularly to a kind of precast concrete pipe culvert mould
Form removal machine.
Background technology
Underground pipe gallery is to be used to concentrate laying electric power, communication, radio and television, feedwater, draining, heat in Urban Underground
The public tunnel of the municipal pipelines such as power, combustion gas.Propulsion underground pipe gallery construction has alleviation traffic congestion, Environment control dirty
Disaster Defense Capability is contaminated, ensured safety and improved, the wasting of resources is reduced, is frugally gone up and the positive role such as the underground space；It is comprehensive in underground
In closing the process of construction of piping lane, compared to cast-in-place construction, prefabricated concrete box culvert has and shortens engineering time, green construction, prefabricated
Process control product quality is secure, reduce construction maintenance cost, the low advantage of integrated cost.
Because the development speed of underground pipe gallery is accelerated, the production method of current precast concrete pipe culvert is difficult to completely
The demand of sufficient production and construction；Automaticity is not high, it is necessary to manpower and materials are more, and operation difficulty is big, the problems such as mass defect.
The content of the invention
In view of this, the present invention is directed to propose a kind of precast concrete pipe culvert mould form removal machine, to solve in the prior art
The problem of presence, to adapt to the production of the pipeline system of precast concrete pipe culvert, improve production efficiency improves form removal accurate positioning
Property, automation mechanized operation is realized, to ensure the quality of pipe culvert product, while reducing the labour intensity of workman.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of precast concrete pipe culvert mould form removal machine, including gantry support body, suspension beam, rail assembly, movable motor and
Form removal mechanism support body, two suspension beams parallel to each other are fixed on gantry support body top, and rail assembly is fixed on two suspension beams
Inner side, movable motor is fixed on form removal mechanism support body, and output end and the rail assembly of movable motor coordinate, and movable motor drives
Walked on the dynamic form removal mechanism in-orbit road component of support body, shift fork lifting thick stick, raising cylinder and form removal are additionally provided with form removal mechanism support body
Shift fork, the raising cylinder fixing end is hinged on form removal mechanism support body, and movable end and the shift fork of raising cylinder lift thick stick side wide
Upward side is hinged, and the opposite side on the cross direction of shift fork lifting thick stick is hinged the top of form removal shift fork, and shift fork lifting thick stick is rectangular
Upward two ends are arranged in the circular seat bearing being fixed on form removal mechanism support body, when raising cylinder has the signal for rising or falling
Afterwards, the lever transfer mode for lifting thick stick by shift fork realizes the up and down motion of form removal shift fork, can so avoid interference with mould
The normal production operation of production line, while larger lifting force can be provided；After form removal shift fork is positioned at mould, movable motor hair
After going out walking letter, moving integrally for form removal mechanism's support body is driven；
Further, rail assembly includes chain, and the output end of movable motor is provided with power transmission shaft, chain is provided with power transmission shaft
Wheel, chain is fixed in the plane of rail assembly, and sprocket wheel is engaged with chain, movable motor turning with movable sprocket by power transmission shaft
It is dynamic, realize walking movement in the chain on the in-orbit road component of form removal mechanism support body；
Further, sprocket wheel is scheduled on power transmission shaft by keying, and power transmission shaft is connected to the output of movable motor by bearing pin
Shaft end；
Further, the chain inclines tiling spot welding on rail assembly, near the chain of the external end position of portal frame
One end is less than near chain one end of gantry support body center；
Further, gantry support body includes four root posts, two crossbeams and two longerons, and crossbeam, longeron are fixed on column
Top；Suspension beam is fixed on gantry support body center, and perpendicular to crossbeam and is fixed on crossbeam；Between suspension beam and column also
It is provided with the collateral support for increasing beam body intensity；
Further, middle support is additionally provided between two suspension beams, for strengthening the intensity between two suspension beams；Gantry
Support body is connected by bolt with underground preburied part；
Further, the height of chain is respectively arranged at two ends with travel switch, and travel switch is used to limit the two of sprocket wheel herein
End extreme position；
Further, the shift fork lifting thick stick is provided with travel switch, and the anglec of rotation for limiting shift fork lift cylinder is entered
And limit the lifting limit of raising cylinder；
Further, auxiliary axostylus axostyle is fixed with form removal mechanism support body, aids in one end of axostylus axostyle to be set in the way of activity
On rail assembly；Traveling for aiding in form removal mechanism support body；
Further, form removal mechanism support body is symmetricly set on middle support both sides for two groups, and single movable motor drives
Two symmetrical power transmission shafts；
Relative to prior art, form removal machine of the present invention has the advantage that：
Simple structure of the present invention, it is reasonable in design, position up and down, do not interfered with production line mould, motor belt motor moving frame body
Folding mould, saves a large amount of manpowers；The need for having disclosure satisfy that production line, automaticity is greatly improved；Meet operation
It is required that, moreover it is possible to precise positioning, production line mould open/close mould speed is greatly improved, the input of manpower is reduced, reduce production cost.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the form removal machine schematic diagram described in the embodiment of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the sectional view of Fig. 2；
Fig. 4 is the partial view I of Fig. 3；
Fig. 5 is the partial view II of Fig. 2；
Description of reference numerals：
1- gantry support body；2- hangs beam；3- rail assemblies；The collateral supports of 4-；5- chains；6- sprocket wheels；7- power transmission shafts；8- sells
Axle；9- movable motors；10- form removals mechanism support body；11- circular shaft bearings；12- shift forks lift thick stick；13- raising cylinders；14- form removals
Shift fork.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to shown in Fig. 1 and Fig. 2, a kind of precast concrete pipe culvert mould form removal machine, including gantry support body 1, suspension beam 2,
Rail assembly 3, movable motor 9 and form removal mechanism support body 10, two suspension beams 2 parallel to each other are fixed on the top of gantry support body 1,
Rail assembly 3 is fixed on two inner sides of suspension beam 2, and movable motor 9 is fixed on form removal mechanism support body 10, movable motor 9
Output end coordinates with rail assembly 3, and movable motor 9 drives form removal mechanism support body 10 to be walked on rail assembly 3, form removal mechanism rack
Shift fork lifting thick stick 12, raising cylinder 13 and form removal shift fork 14 are additionally provided with body 10, the fixing end of raising cylinder 13 is hinged on tears open
On mold mechanism support body 10, movable end and the side on the shift fork lifting cross direction of thick stick 12 of raising cylinder 13 are hinged, shift fork lifting thick stick
Opposite side on 12 cross direction is hinged the top of form removal shift fork 14, and two ends are arranged on form removal machine on the shift fork lifting length direction of thick stick 12
In circular seat bearing 11 on framework body 10, after raising cylinder 13 has the signal for rising or falling, thick stick 12 is lifted by shift fork
Lever transfer mode realize the up and down motion of form removal shift fork 14, can so avoid interference with the normal production of moulding lines
Operation, while larger lifting force can be provided；After form removal shift fork 14 is positioned at mould, after movable motor 9 sends walking letter, drive
Move moving integrally for form removal mechanism support body 10；
Wherein, rail assembly 3 includes chain 5, and the output end of movable motor 9 is provided with power transmission shaft 7, is provided with power transmission shaft 7
Sprocket wheel 6, chain 5 is fixed in the plane of rail assembly 3, and sprocket wheel 6 is engaged with chain 5, and movable motor 9 is driven by power transmission shaft 7
The rotation of sprocket wheel 6, realizes walking movement in chain 5 of the form removal mechanism support body 10 on rail assembly 3；
Wherein, sprocket wheel 6 is scheduled on power transmission shaft 7 by keying, and power transmission shaft 7 is connected to the output of movable motor 9 by bearing pin 8
Shaft end；
Wherein, the chain 5 inclines tiling spot welding on rail assembly 3, near the chain 5 of the outer end position of gantry support body 1
One end is less than near one end of chain 5 of the center of gantry support body 1；
Wherein, gantry support body 1 includes four root posts, two crossbeams and two longerons, and crossbeam, longeron are fixed on column top
Portion；Suspension beam 2 is fixed on the center of gantry support body 1, and perpendicular to crossbeam and is fixed on crossbeam；Between suspension beam 2 and column
It is additionally provided with the collateral support 4 for increasing beam body intensity；
Wherein, middle support is additionally provided between two suspension beams 2, for strengthening the intensity between two suspension beams 2；Portal frame
Body 1 is connected by bolt with underground preburied part；
With reference to shown in Fig. 3, wherein, the height of chain 5 is respectively arranged at two ends with travel switch, and travel switch is used to limit herein
The two ends extreme position of sprocket wheel 6；
With reference to shown in Fig. 4, wherein, the shift fork lifting thick stick 12 is provided with travel switch, for limiting shift fork lift cylinder 12
The anglec of rotation, and then limit the lifting limit of raising cylinder 3；
Wherein, auxiliary axostylus axostyle is fixed with form removal mechanism support body 10, aids in one end of axostylus axostyle to be arranged in the way of activity
On rail assembly 3；Traveling for aiding in form removal mechanism support body 10；
Wherein, form removal mechanism support body 10 is symmetricly set on middle support both sides for two groups, and it is right that single movable motor 9 drives
Two power transmission shafts 7 for claiming；
The present invention has simple structure, reasonable in design, and with mould accurate positioning, the compatible various model moulds of energy, a machine is more
The features such as using；Labor strength is low, and full automation degree is high, improve production efficiency, reduces production cost.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of precast concrete pipe culvert mould form removal machine, it is characterised in that including gantry support body (1), suspension beam (2), track
Component (3), movable motor (9) and form removal mechanism support body (10), two suspension beams (2) parallel to each other are fixed on gantry support body
(1) top, rail assembly (3) is fixed on two inner sides of suspension beam (2), and movable motor (9) is fixed on form removal mechanism support body
(10) on, output end and the rail assembly (3) of movable motor (9) coordinate, and movable motor (9) drives form removal mechanism's support body (10) to exist
Walked on rail assembly (3), shift fork is additionally provided with form removal mechanism support body (10) and lifts thick stick (12), raising cylinder (13) and form removal group
Fork (14), raising cylinder (13) fixing end is hinged in form removal mechanism support body (10), the movable end of raising cylinder (13) with
Side on shift fork lifting thick stick (12) cross direction is hinged, and the opposite side on the cross direction of shift fork lifting thick stick (12) is hinged form removal shift fork
(14) top, two ends are arranged on the circular seat axle being fixed in form removal mechanism support body (10) on shift fork lifting thick stick (12) length direction
Hold in (11).
2. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 1, it is characterised in that rail assembly (3) is wrapped
Chain (5) is included, the output end of movable motor (9) is provided with power transmission shaft (7), sprocket wheel (6) is provided with power transmission shaft (7), chain (5) is solid
It is scheduled in the plane of rail assembly (3), sprocket wheel (6) is engaged with chain (5).
3. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 2, it is characterised in that sprocket wheel (6) is by key
It is fixed on power transmission shaft (7), power transmission shaft (7) is connected to the output shaft end of movable motor (9) by bearing pin (8).
4. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 2, it is characterised in that the chain (5) is inclined
Tiltedly tiling spot welding is less than near portal frame on rail assembly (3) near chain (5) one end of gantry support body (1) outer end position
Chain (5) one end of body (1) center.
5. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 1, it is characterised in that gantry support body (1) is wrapped
Four root posts, two crossbeams and two longerons are included, crossbeam, longeron are fixed on column top；Suspension beam (2) is fixed on gantry support body
(1) center, and perpendicular to crossbeam and be fixed on crossbeam；Suspension beam (2) is additionally provided with collateral support (4) and column between.
6. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 1, it is characterised in that two suspensions beam (2)
Between be additionally provided with middle support；Gantry support body (1) is connected by bolt with underground preburied part.
7. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 4, it is characterised in that the height of chain (5)
It is respectively arranged at two ends with travel switch.
8. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 1, it is characterised in that the shift fork lifts thick stick
(12) it is provided with travel switch.
9. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 1, it is characterised in that form removal mechanism support body
(10) auxiliary axostylus axostyle is fixed with, aids in one end of axostylus axostyle to be arranged on rail assembly (3) in the way of activity.
10. a kind of precast concrete pipe culvert mould form removal machine as claimed in claim 3, it is characterised in that the form removal mechanism
Support body (10) is symmetricly set on middle support both sides for two groups, and single movable motor (9) drives two symmetrical power transmission shafts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284163.0A CN106926358B (en) | 2017-04-26 | 2017-04-26 | Mould stripping machine for precast concrete pipe culvert mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284163.0A CN106926358B (en) | 2017-04-26 | 2017-04-26 | Mould stripping machine for precast concrete pipe culvert mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106926358A true CN106926358A (en) | 2017-07-07 |
| CN106926358B CN106926358B (en) | 2023-10-13 |
Family
ID=59437153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284163.0A Active CN106926358B (en) | 2017-04-26 | 2017-04-26 | Mould stripping machine for precast concrete pipe culvert mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106926358B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1228886A (en) * | 1968-09-13 | 1971-04-21 | ||
| CN201483640U (en) * | 2009-08-20 | 2010-05-26 | 山东鸿泰建设集团有限公司 | Hanging column production line |
| CN201941081U (en) * | 2010-12-07 | 2011-08-24 | 廊坊开发区现代工程技术有限公司 | Gantry type die overturning returning machine |
| CN102275218A (en) * | 2011-08-17 | 2011-12-14 | 江苏建华管桩有限公司 | Die assembling or removing device and method for assembling or removing die by using same |
| CN102953343A (en) * | 2012-11-30 | 2013-03-06 | 山东省路桥集团有限公司 | Descending bracket self-mobile model framework bridge fabrication machine |
| CN204658650U (en) * | 2015-05-22 | 2015-09-23 | 江苏三工建材科技有限公司 | Turn over formula cellular concrete cutting off machine |
| CN105666681A (en) * | 2016-02-29 | 2016-06-15 | 周兆弟 | Pipe die large nut dismounting machine for automatic pipe pile production line |
| CN105965685A (en) * | 2016-05-11 | 2016-09-28 | 汤始建华建材（南通）有限公司 | Automatic cover removing die system for concrete pipe pile |
| CN205950997U (en) * | 2016-08-26 | 2017-02-15 | 天津中金博奥重工机械有限责任公司 | Automatic form removal hoist of track board |
| CN206703278U (en) * | 2017-04-26 | 2017-12-05 | 天津中金博奥重工机械有限责任公司 | A kind of precast concrete pipe culvert mould form removal machine |
-
2017
- 2017-04-26 CN CN201710284163.0A patent/CN106926358B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1228886A (en) * | 1968-09-13 | 1971-04-21 | ||
| CN201483640U (en) * | 2009-08-20 | 2010-05-26 | 山东鸿泰建设集团有限公司 | Hanging column production line |
| CN201941081U (en) * | 2010-12-07 | 2011-08-24 | 廊坊开发区现代工程技术有限公司 | Gantry type die overturning returning machine |
| CN102275218A (en) * | 2011-08-17 | 2011-12-14 | 江苏建华管桩有限公司 | Die assembling or removing device and method for assembling or removing die by using same |
| CN102953343A (en) * | 2012-11-30 | 2013-03-06 | 山东省路桥集团有限公司 | Descending bracket self-mobile model framework bridge fabrication machine |
| CN204658650U (en) * | 2015-05-22 | 2015-09-23 | 江苏三工建材科技有限公司 | Turn over formula cellular concrete cutting off machine |
| CN105666681A (en) * | 2016-02-29 | 2016-06-15 | 周兆弟 | Pipe die large nut dismounting machine for automatic pipe pile production line |
| CN105965685A (en) * | 2016-05-11 | 2016-09-28 | 汤始建华建材（南通）有限公司 | Automatic cover removing die system for concrete pipe pile |
| CN205950997U (en) * | 2016-08-26 | 2017-02-15 | 天津中金博奥重工机械有限责任公司 | Automatic form removal hoist of track board |
| CN206703278U (en) * | 2017-04-26 | 2017-12-05 | 天津中金博奥重工机械有限责任公司 | A kind of precast concrete pipe culvert mould form removal machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106926358B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107042580B (en) | Precast concrete pipe culvert production line and production process | |
| CN204640450U (en) | A kind of assembling-type precast box girder integral moving die plate | |
| CN107740350B (en) | The bridge pier column construction method and its passing method of full precast bridge Bridge Erector | |
| CN102182147A (en) | Steel box girder erection method | |
| CN110905554B (en) | Tunnel inverted arch and filled concrete paver and construction process | |
| CN110541347A (en) | large-span full-hydraulic tire walking type tunnel inverted arch trestle and construction method | |
| CN206703278U (en) | A kind of precast concrete pipe culvert mould form removal machine | |
| CN211397597U (en) | Template trolley and tunnel construction vehicle set | |
| CN114808747A (en) | Multifunctional bridge girder erection machine and bridge girder erection construction method | |
| CN103321153B (en) | A kind of construction method of Mid and minor spans channel girder | |
| CN108748622B (en) | PC track beam bottom die system | |
| CN106218740A (en) | A kind of engineering truck | |
| CN101979771B (en) | Tower whole movement lifting device | |
| CN106926358A (en) | A kind of precast concrete pipe culvert mould form removal machine | |
| CN206705129U (en) | A kind of traversing ferry bus of precast concrete pipe culvert | |
| CN206938575U (en) | The beam car of two-way fortune beam on a kind of asymmetric whole opening box girder beam of achievable large-tonnage | |
| CN206967718U (en) | A kind of precast concrete pipe culvert production line | |
| CN202482773U (en) | Split mounting type girder carrier | |
| CN214005452U (en) | High-position pushing longitudinal moving device for 900t bridge girder erection machine | |
| CN203318238U (en) | Tank conveying vehicle for building water conservancy aqueduct | |
| CN205291241U (en) | Automatic railcar of packing of body mould | |
| CN210262729U (en) | Bridge guardrail template removing device | |
| CN106436513A (en) | Round tunnel double-decked lane frame structured system and fully-prefabricated construction method thereof | |
| CN202575452U (en) | Container tilting or erecting device | |
| CN113152309A (en) | Self-supporting synchronous hanging bracket system for corrugated steel web construction and construction method |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230825 Address after: 301739 No.20, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Applicant after: Boao Heavy Industry Equipment Manufacturing (Tianjin) Co.,Ltd. Address before: 301712 No.20, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Applicant before: TIANJIN ZHONGJIN BO MR HEAVY INDUSTRY MACHINERY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |