CN208543333U - A kind of adjustable surface derusting device for steel tubes for building - Google Patents
A kind of adjustable surface derusting device for steel tubes for building Download PDFInfo
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- CN208543333U CN208543333U CN201820873796.5U CN201820873796U CN208543333U CN 208543333 U CN208543333 U CN 208543333U CN 201820873796 U CN201820873796 U CN 201820873796U CN 208543333 U CN208543333 U CN 208543333U
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- bolted
- derusting device
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- steel
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Abstract
The utility model belongs to technical field of buildings, especially a kind of adjustable surface derusting device for steel tubes for building, man-hour manually hand-held sander is relied primarily on, in the problem that steel tube surface is derusted, rust cleaning efficiency is low for existing, now propose following scheme, including supporting car body, support plate has been bolted in the top two sides of the support car body, and the same horizontally disposed mounting plate has been bolted in two support plates lateral roof close to each other, side plate has been bolted in the both ends of two mounting plates.In the utility model, scaling brush on three mounting racks can be during steel pipe movement, complete the derusting work of steel tube surface, steel pipe after derusting is skidded off from slide plate, it derusts without man-hour manually hand-held sander, greatly improves steel tube surface rust cleaning efficiency, can use the steel tube surface derusting work that surface derusting device for steel tubes carries out different tube diameters, so that derusting device application range is more extensive, the cost of architectural engineering is reduced.
Description
Technical field
The utility model relates to technical field of buildings, more particularly to a kind of adjustable steel tube surface derusting dress for building
It sets.
Background technique
Building is the general name of building and structures, is people to meet social life needs, utilizes grasped object
Matter technological means, and the artificial environment created with certain scientific law, geomantic omen theory and aesthetic principle, building are that people use
Soil, brick, watt, stone material, timber；One kind that construction materials such as (modern age reinforced concrete, profiles) are constituted is for human habitation and uses
Space, such as house, bridge, workshop, gymnasium, cave dwelling, water tower, temple etc..For broadly, landscape, gardens are also building
A part.Say in a broad sense, the nest that animal is built consciously can also can be regarded as building, and western wise man has cloud: building is the sound of solidification
Happy, building is a stone history records.
Steel pipe is with hollow section, and for length much larger than diameter or the steel of perimeter, round steel pipe is that architectural engineering is used
Common profile, steel pipe when in use, need to coat antirust paint on the surface of steel pipe, this needs carries out at derusting in steel tube surface
Reason, it is still, existing to rely primarily on man-hour manually hand-held sander, it derusts in steel tube surface, rust cleaning efficiency is low.
Utility model content
Man-hour manually hand-held sander is relied primarily on, in the technology that steel tube surface is derusted, rust cleaning efficiency is low based on existing
Problem, the utility model proposes a kind of adjustable surface derusting device for steel tubes for building.
The utility model proposes one kind adjustable surface derusting device for steel tubes for building, including support car body is described
The top two sides of support car body have been bolted support plate, and two support plates lateral roof close to each other passes through spiral shell
It tethers and is connected to the same horizontally disposed mounting plate, side plate, the support has been bolted in the both ends of two mounting plates
The top both ends of car body are bolted that there are four the hydraulic cylinders of annular array distribution, and are located at support car body the same end
The same horizontally disposed fixed plate, the top side of the mounting plate has been bolted in four hydraulic cylinder piston rod tops
The bearing block being vertically arranged there are two being bolted, and the inside of two bearing blocks is connected with the same level by bearing
The casing of setting, there are three the mounting racks of arcuate structure for one end welding of described sleeve pipe, and three mounting racks surround the axis of casing
The distribution of heart circular array, the side both ends of the mounting rack offer circular through hole, and the inside of two circular through holes is equal
It is welded with position-limiting tube, the inside of two position-limiting tubes is plugged with threaded rod, and two threaded rods are located at mounting rack intrados
One end be welded with the same section be U-shaped structure fixing seat, the open interior of the fixing seat is connected with scaling brush, close
The fixed plate other end of mounting rack one end is hinged with the slide plate being obliquely installed, and the two sides of the bottom of slide plate have been bolted
The other end of second support bar, two second support bars is connect by bolt with support car body.
Preferably, door type frame has been bolted in the top two sides of the fixed plate, and opens up at the top of door type frame
There are two perforation, linear hydraulic cylinder, and the piston rod of two linear hydraulic cylinders has been bolted in the inside of two perforation
Bottom end has been bolted pressure spring, and it is first solid that the same inverted U-shaped structure is bolted in the bottom of two pressure springs
Determine frame, and the inner bottom of the first fixed frame is connected with pressure roller by shaft and bearing.
Preferably, the second fixed frame of U-shaped structure is bolted in two middle side part of top of the fixed plate, and
The inner tip of two the second fixed frames is connected with steel pipe conveying roller by shaft and bearing, two in the same fixed plate
A steel pipe conveying roller is located at the underface of two pressure rollers, and the surface setting of steel pipe conveying roller and pressure roller has interior concave ring, and
Steel pipe conveying roller is that rubber material is made with pressure roller, and driving motor has been bolted in the bottom of fixed plate, and drives electricity
The output shaft of machine is sequentially connected by transmission belt and driving wheel and two steel pipe conveying rollers.
Preferably, shield has been bolted in top one end of the fixed plate, and transmission belt and driving wheel are located at
The inside of shield.
Preferably, lantern ring has been bolted at the top of the outer circumferential walls of the position-limiting tube, and the inner tip of lantern ring is logical
It crosses bearing and is connected with ball nut, ball nut is threadedly coupled with threaded rod.
Preferably, the both ends of the fixing seat two sides are threaded with fixing bolt, and the both ends of scaling brush two sides are opened
Equipped with the thread groove to match with fixing bolt.
Preferably, rotary electric machine has been bolted in the bottom of the mounting plate, and the output shaft of rotary electric machine passes through
It has been bolted drive sprocket, driven sprocket has been socketed in the middle part of the outer circumferential walls of casing, is covered between driven sprocket and drive sprocket
It is connected to the same driving chain.
Preferably, protective cover, and driven sprocket and the equal position of driving chain have been bolted at the top of the mounting plate
In the inside of protective cover.
Preferably, the support car body top is provided with horizontally disposed feedboard far from the side of slide plate, feedboard
It is flushed at the top of top surface and steel pipe conveying roller intrados, and one end of feedboard is connect by bolt with door type frame, feedboard
Two sides of the bottom be bolted first support bar, and the bottom end of two first support bars passes through bolt and support vehicle
Body connection, limit angle iron has been bolted in the top two sides of feedboard.
Preferably, the hydraulic cylinder, linear hydraulic cylinder, driving motor and rotary electric machine are connected with controller by switch,
And switch and controller are connect by bolt with one of side plate.
Having the beneficial effect that in the utility model
1, the utility model proposes surface derusting device for steel tubes for building, staff pushes away steel pipe at the top of the feedboard
Enter between steel pipe conveying roller and pressure roller, driving motor can drive steel pipe to advance across casing by steel pipe conveying roller, rotation
Motor drives casing rotation, and the scaling brush on three mounting racks can complete the derusting of steel tube surface during steel pipe movement
Work, the steel pipe after derusting are skidded off from slide plate, are derusted without man-hour manually hand-held sander, are greatly improved steel tube surface and are removed
Rust efficiency.
2, the utility model proposes surface derusting device for steel tubes for building can be according to the straight of steel pipe in the preparation stage
Diameter adjusts the height of mounting plate using hydraulic cylinder, and the height of pressure roller, while turn ball nut are adjusted using linear hydraulic cylinder,
The distance between three scaling brush are adjusted, can use the steel tube surface derusting work that surface derusting device for steel tubes carries out different tube diameters
Make, so that derusting device application range is more extensive, reduces the cost of architectural engineering.
3, the utility model proposes surface derusting device for steel tubes for building, derusting device is moved to using support car body
Construction site, while after adjusting mounting plate, first support bar and second support bar can be utilized respectively by feedboard and slide plate
Support is fixed, and the stability of derusting device work can be improved, meanwhile, the driving part distributing installation of derusting device is in protective cover
With the inside of shield, security performance height.
Detailed description of the invention
Fig. 1 be the utility model proposes one kind adjustable surface derusting device for steel tubes for building structural schematic diagram；
Fig. 2 be the utility model proposes one kind adjustable surface derusting device for steel tubes for building steel pipe conveying roller and
Roller structure schematic diagram；
Fig. 3 be the utility model proposes the mounting rack structure of one kind adjustable surface derusting device for steel tubes for building show
It is intended to；
Fig. 4 be the utility model proposes one kind adjustable surface derusting device for steel tubes for building bearing block and casing
Structural schematic diagram；
Fig. 5 be the utility model proposes the feedboard structure of one kind adjustable surface derusting device for steel tubes for building show
It is intended to.
In figure: 1 support car body, 2 first support bars, 3 hydraulic cylinders, 4 feedboards, 5 fixed plates, 6 door type frames, 7 linear hydraulics
Cylinder, 8 support plates, 9 casings, 10 driving chains, 11 protective covers, 12 bearing blocks, 13 mounting racks, 14 rotary electric machines, 15 mounting plates, 16
Side plate, 17 slide plates, 18 second support bars, 19 drive sprockets, 20 driven sprockets, 21 fixing bolts, 22 lantern rings, 23 ball nuts, 24
Threaded rod, 25 position-limiting tubes, 26 fixing seats, 27 scaling brush, 28 transmission belts, 29 shields, 30 pressure rollers, 31 pressure springs, 32 first are fixed
Frame, 33 steel pipe conveying rollers, 34 second fixed frames, 35 driving motors, 36 limit angle bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-5, a kind of adjustable surface derusting device for steel tubes for building, including support car body 1, support car body 1
Top two sides be bolted support plate 8, and two support plates 8 lateral roof close to each other is bolted
There is the same horizontally disposed mounting plate 15, side plate 16 has been bolted in the both ends of two mounting plates 15, supports car body 1
Top both ends be bolted there are four annular array distribution hydraulic cylinder 3, and be located at support 1 the same end of car body four
The same horizontally disposed fixed plate 5 has been bolted in a 3 piston rod top end of hydraulic cylinder, and the top side of mounting plate 15 is logical
The bearing block 12 being vertically arranged there are two being bolted is crossed, and the inside of two bearing blocks 12 is connected with the same water by bearing
The casing 9 of flat setting, there are three the mounting racks 13 of arcuate structure for one end welding of casing 9, and three mounting racks 13 surround casing 9
Axle center circular array distribution, the side both ends of mounting rack 13 offer circular through hole, and the inside of two circular through holes
It is welded with position-limiting tube 25, the inside of two position-limiting tubes 25 is plugged with threaded rod 24, and two threaded rods 24 are located at mounting rack
One end of 13 intrados is welded with the fixing seat 26 that the same section is U-shaped structure, and the open interior of fixing seat 26, which is connected with, to be removed
Rust brush 27,5 other end of fixed plate close to 13 one end of mounting rack is hinged with the slide plate 17 being obliquely installed, and the bottom two of slide plate 17
Second support bar 18 has been bolted in side, and the other end of two second support bars 18 is connected by bolt and support car body 1
It connects.
In the utility model, door type frame 6, and the top of door type frame 6 has been bolted in the top two sides of fixed plate 5
It opening up there are two perforation, the inside of two perforation have been bolted linear hydraulic cylinder 7, and two linear hydraulic cylinders 7
Pressure spring 31 has been bolted in piston rod bottom end, and the same inverted U knot has been bolted in the bottom of two pressure springs 31
First fixed frame 32 of structure, and the inner bottom of the first fixed frame 32 is connected with pressure roller 30 by shaft and bearing, fixed plate 5
The second fixed frame 34 of U-shaped structure, and the inside top of two the second fixed frames 34 is bolted in two middle side part of top
End is connected with steel pipe conveying roller 33 by shaft and bearing, two steel pipe conveying rollers 33 difference in the same fixed plate 5
Positioned at the underface of two pressure rollers 30, the surface setting of steel pipe conveying roller 33 and pressure roller 30 has interior concave ring, and steel pipe conveying roller
33 with pressure roller 30 be that rubber material is made, and driving motor 35, and driving motor 35 has been bolted in the bottom of fixed plate 5
Output shaft pass through transmission belt 28 and driving wheel and two transmission connections of steel pipe conveying rollers 33；
Shield 29 has been bolted in top one end of fixed plate 5, and transmission belt and driving wheel are located at shield 29
Inside, lantern ring 22 has been bolted at the top of the outer circumferential walls of position-limiting tube 25, and the inner tip of lantern ring 22 passes through bearing
It is connected with ball nut 23, ball nut 23 is threadedly coupled with threaded rod 24, and the both ends of 26 two sides of fixing seat are threaded with
Fixing bolt 21, and the both ends of 27 two sides of scaling brush offer the thread groove to match with fixing bolt 21, the bottom of mounting plate 15
Rotary electric machine 14 is bolted, and drive sprocket 19 has been bolted in the output shaft of rotary electric machine 14, casing 9
It is socketed with driven sprocket 20 in the middle part of outer circumferential walls, the same driving chain is socketed between driven sprocket 20 and drive sprocket 19
10；
Protective cover 11 has been bolted in the top of mounting plate 15, and driven sprocket 20 and driving chain 10 are respectively positioned on guarantor
The inside of shield 11,1 top of support car body are provided with horizontally disposed feedboard 4, the top of feedboard 4 far from the side of slide plate 17
It is flushed at the top of portion surface and 33 intrados of steel pipe conveying roller, and one end of feedboard 4 is connect by bolt with door type frame 6, is fed
The two sides of the bottom of plate 4 have been bolted first support bar 2, and the bottom end of two first support bars 2 pass through bolt with
Car body 1 is supported to connect, limit angle iron 36, hydraulic cylinder 3, linear hydraulic cylinder has been bolted in the top two sides of feedboard 4
7, driving motor 35 and rotary electric machine 14, which pass through to switch, is connected with controller, and switch and controller pass through bolt and one of them
Side plate 16 connects.
In use, steel pipe is pushed between steel pipe conveying roller 33 and pressure roller 30 by staff at the top of feedboard 4, driving
Motor 35 can drive steel pipe to advance across casing 9 by steel pipe conveying roller 33, and rotary electric machine 14 drives casing 9 to rotate, and three
Scaling brush 27 on mounting rack 13 during steel pipe movement, can complete the derusting work of steel tube surface, the steel pipe after derusting
It skids off from slide plate 17, derusts without man-hour manually hand-held sander, in the preparation stage, can be utilized according to the diameter of steel pipe
Hydraulic cylinder 3 adjusts the height of mounting plate 15, and the height of pressure roller 30, while turn ball nut 23 are adjusted using linear hydraulic cylinder 7,
The distance between three scaling brush 27 are adjusted, can use the steel tube surface derusting that surface derusting device for steel tubes carries out different tube diameters
Derusting device is moved to construction site using support car body 1, simultaneously so that derusting device application range is more extensive by work
After adjusting mounting plate 15, first support bar 2 and second support bar 18 can be utilized respectively and support feedboard 4 and slide plate 17 admittedly
It is fixed, the stability of derusting device work can be improved, meanwhile, the driving part distributing installation of derusting device in protective cover 11 and is prevented
The inside of shield 29, security performance are high.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of adjustable surface derusting device for steel tubes for building, including support car body (1), which is characterized in that the support
The top two sides of car body (1) have been bolted support plate (8), and the lateral roof that two support plates (8) are close to each other
The same horizontally disposed mounting plate (15) is bolted, the both ends of two mounting plates (15) have been bolted
Side plate (16), it is described support car body (1) top both ends be bolted there are four annular array distribution hydraulic cylinder
(3), and the same level has been bolted in four hydraulic cylinder (3) piston rod top ends positioned at support car body (1) the same end
The fixed plate (5) of setting, the top side of the mounting plate (15) are bolted that there are two the bearing blocks that are vertically arranged
(12), and the inside of two bearing blocks (12) by bearing is connected with the same horizontally disposed casing (9), described sleeve pipe (9)
One end welding there are three the mounting rack (13) of arcuate structure, and three mounting racks (13) around casing (9) axle center in a ring
The side both ends of array distribution, the mounting rack (13) offer circular through hole, and the inside of two circular through holes is welded
Have position-limiting tube (25), the inside of two position-limiting tubes (25) is plugged with threaded rod (24), and two threaded rods (24) are located at
One end of mounting rack (13) intrados is welded with the fixing seat (26) that the same section is U-shaped structure, the fixing seat (26)
Open interior is connected with scaling brush (27), and fixed plate (5) other end close to mounting rack (13) one end, which is hinged with, to be obliquely installed
Slide plate (17), and the two sides of the bottom of slide plate (17) have been bolted second support bar (18), two second support bars
(18) the other end is clamped with support car body (1).
2. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that described solid
The top two sides of fixed board (5) have been bolted door type frame (6), and opened up at the top of door type frame (6) there are two perforation, two
The inside of a perforation has been bolted linear hydraulic cylinder (7), and the piston rod bottom end of two linear hydraulic cylinders (7) is logical
It crosses and has been bolted pressure spring (31), it is first solid that the same inverted U-shaped structure is bolted in the bottom of two pressure springs (31)
Determine frame (32), and the inner bottom of the first fixed frame (32) is connected with pressure roller (30) by shaft and bearing.
3. one kind adjustable surface derusting device for steel tubes for building according to claim 2, which is characterized in that described solid
The second fixed frame (34) of U-shaped structure, and two the second fixed frames are bolted in two middle side part of top of fixed board (5)
(34) inner tip is connected with steel pipe conveying roller (33) by shaft and bearing, two be located on the same fixed plate (5)
Steel pipe conveying roller (33) is located at the underface of two pressure rollers (30), the surface setting of steel pipe conveying roller (33) and pressure roller (30)
There is interior concave ring, and steel pipe conveying roller (33) and pressure roller (30) are that rubber material is made, the bottom of fixed plate (5) passes through bolt
It is connected with driving motor (35), and the output shaft of driving motor (35) passes through transmission belt (28) and driving wheel and two steel pipe markets
Roller (33) transmission connection.
4. one kind adjustable surface derusting device for steel tubes for building according to claim 3, which is characterized in that described solid
Top one end of fixed board (5) has been bolted shield (29), and transmission belt and driving wheel are located at the interior of shield (29)
Portion.
5. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that the limit
It has been bolted lantern ring (22) at the top of the outer circumferential walls of position pipe (25), and the inner tip of lantern ring (22) is connected by bearing
Have ball nut (23), ball nut (23) is threadedly coupled with threaded rod (24).
6. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that described solid
The both ends of reservation (26) two sides are threaded with fixing bolt (21), and the both ends of scaling brush (27) two sides offer and fix
The thread groove that bolt (21) matches.
7. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that the peace
The bottom of loading board (15) has been bolted rotary electric machine (14), and the output shaft of rotary electric machine (14) has been bolted
The outer circumferential walls middle part of drive sprocket (19), casing (9) is socketed with driven sprocket (20), driven sprocket (20) and drive sprocket
(19) the same driving chain (10) are socketed between.
8. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that the peace
It has been bolted at the top of loading board (15) protective cover (11), and driven sprocket (20) and driving chain (10) are respectively positioned on protection
Cover the inside of (11).
9. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that the branch
Side at the top of support car body (1) far from slide plate (17) is provided with horizontally disposed feedboard (4), the top surface of feedboard (4)
It flushes, and one end of feedboard (4) is connect by bolt with door type frame (6), feeds with steel pipe conveying roller (33) intrados top
The two sides of the bottom of plate (4) have been bolted first support bar (2), and the bottom end of two first support bars (2) with branch
Car body (1) clamping is supportted, limit angle iron (36) have been bolted in the top two sides of feedboard (4).
10. one kind adjustable surface derusting device for steel tubes for building according to claim 1, which is characterized in that described
Hydraulic cylinder (3), linear hydraulic cylinder (7), driving motor (35) and rotary electric machine (14) are connected with controller by switch, and switch
It is connect by bolt with one of side plate (16) with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873796.5U CN208543333U (en) | 2018-06-07 | 2018-06-07 | A kind of adjustable surface derusting device for steel tubes for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873796.5U CN208543333U (en) | 2018-06-07 | 2018-06-07 | A kind of adjustable surface derusting device for steel tubes for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208543333U true CN208543333U (en) | 2019-02-26 |
Family
ID=65420893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820873796.5U Expired - Fee Related CN208543333U (en) | 2018-06-07 | 2018-06-07 | A kind of adjustable surface derusting device for steel tubes for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208543333U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153864A (en) * | 2019-06-06 | 2019-08-23 | 东阳罗素电子科技有限公司 | A kind of steel tubular goods outer surface derusting polishing controlling terminal |
| CN111975481A (en) * | 2020-08-31 | 2020-11-24 | 尚珍珍 | Steel construction pipe fitting equipment of polishing |
| CN112157190A (en) * | 2020-09-17 | 2021-01-01 | 陈松 | A evenly extrude type lead wire coalignment for thermistor production |
| CN112338754A (en) * | 2020-11-17 | 2021-02-09 | 郑州萃智电子技术有限公司 | Multifunctional steel rust removal device for constructional engineering |
| CN114536138A (en) * | 2022-02-10 | 2022-05-27 | 番禺珠江钢管（连云港）有限公司 | Burr grinding device based on steel pipe manufacturing |
| CN114800208A (en) * | 2022-06-30 | 2022-07-29 | 江苏神铸智能科技有限公司 | Derusting and rolling integrated equipment for recycling waste metal pipe fittings |
| CN115157046A (en) * | 2022-07-22 | 2022-10-11 | 常州纺织服装职业技术学院 | Grinding device for steel structure building welding |
-
2018
- 2018-06-07 CN CN201820873796.5U patent/CN208543333U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153864A (en) * | 2019-06-06 | 2019-08-23 | 东阳罗素电子科技有限公司 | A kind of steel tubular goods outer surface derusting polishing controlling terminal |
| CN111975481A (en) * | 2020-08-31 | 2020-11-24 | 尚珍珍 | Steel construction pipe fitting equipment of polishing |
| CN111975481B (en) * | 2020-08-31 | 2021-11-09 | 杭萧钢构（河北）建设有限公司 | Steel construction pipe fitting equipment of polishing |
| CN112157190A (en) * | 2020-09-17 | 2021-01-01 | 陈松 | A evenly extrude type lead wire coalignment for thermistor production |
| CN112338754A (en) * | 2020-11-17 | 2021-02-09 | 郑州萃智电子技术有限公司 | Multifunctional steel rust removal device for constructional engineering |
| CN114536138A (en) * | 2022-02-10 | 2022-05-27 | 番禺珠江钢管（连云港）有限公司 | Burr grinding device based on steel pipe manufacturing |
| CN114800208A (en) * | 2022-06-30 | 2022-07-29 | 江苏神铸智能科技有限公司 | Derusting and rolling integrated equipment for recycling waste metal pipe fittings |
| CN114800208B (en) * | 2022-06-30 | 2022-09-06 | 江苏神铸智能科技有限公司 | Derusting and rolling integrated equipment for recycling waste metal pipe fittings |
| CN115157046A (en) * | 2022-07-22 | 2022-10-11 | 常州纺织服装职业技术学院 | Grinding device for steel structure building welding |
| CN115157046B (en) * | 2022-07-22 | 2023-04-28 | 常州纺织服装职业技术学院 | Grinding device for welding steel structure building |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20190607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |