CN112589626A - Recycling waste treatment device for building demolition - Google Patents
Recycling waste treatment device for building demolition Download PDFInfo
- Publication number
- CN112589626A CN112589626A CN202011335733.2A CN202011335733A CN112589626A CN 112589626 A CN112589626 A CN 112589626A CN 202011335733 A CN202011335733 A CN 202011335733A CN 112589626 A CN112589626 A CN 112589626A
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- China
- Prior art keywords
- throwing
- plate
- treatment
- belt
- waste
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
Abstract
The invention relates to a recycling waste treatment device for building demolition, which relates to the technical field of building waste treatment devices and comprises a treatment cabin, wherein a treatment hopper is arranged in the treatment cabin, the rear part of the treatment hopper is provided with a motor, and the motor is provided with a cam mechanism; the belt polishing mechanism is in transmission connection with the motor belt so as to rub the waste steel pipe thrown into the bottom of the treatment hopper; be fixed in the limiting plate that hopper chamber left side was used for the installation to hit the motive and construct, be fixed in the end plate that the right-hand member prevented that the interior waste steel pipe of throwing the board mechanism from deviating from, set up in the cabin inner wall and be used for installing the draw-in groove and the rear side of throwing the board mechanism and be used for the spring holder of direction formula installation throwing the board mechanism, and can drive broken scissors action about throwing the board when pulling, structural design is ingenious, can drop into the waste steel pipe surface preliminary treatment in the car hopper, it is cleaner and tidier to make the steel pipe collect the rear surface, the device is under simple structure's prerequisite, three station structures of polishing have, when steel pipe class garbage collection and surface treatment to the.
Description
Technical Field
The invention relates to the technical field of construction waste treatment devices, in particular to a recycling waste treatment device for building demolition.
Background
During construction, a large amount of waste steel pipes can be dismantled from waste buildings, the waste steel pipes have secondary utilization value, and therefore need to be reused, and the waste steel pipes can be stored separately by using a cart in the process of dismantling the buildings.
However, the surface of the removed steel pipe is provided with concrete materials formed during casting, although the adhesive soil layers are only a small amount and only attached to the surface of the steel pipe, the weight of the steel pipe can be increased during delivery, the mud materials falling off during storage can affect the surrounding environment, and during secondary polishing treatment, applied polishing equipment is complex, high in manufacturing cost and low in working efficiency, and is mostly a single-station polishing structure.
Disclosure of Invention
Based on the aforesaid, the inventor provides the building and demolishs with retrieving waste treatment device again, and when this device was used along with the car, can make the steel pipe collect the rear surface cleaner and tidier with throwing into the waste steel pipe surface preliminary treatment in the car hopper, the device has three station structures of polishing under simple structure's prerequisite, when collecting steel pipe class garbage collection and surface treatment, improved work efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
the recycling waste treatment device for building demolition comprises a treatment cabin, wherein a treatment hopper is arranged in the treatment cabin, a motor is arranged at the rear part of the treatment hopper, and a cam mechanism is arranged on the motor;
a belt polishing mechanism is installed in the treatment bucket and is in transmission connection with a motor belt to polish the waste steel pipes thrown into the top of the treatment bucket in a belt manner, a plate polishing mechanism is arranged at the bottom side of the belt polishing mechanism and is in driving connection with a cam mechanism so as to polish the waste steel pipes thrown into the bottom of the treatment bucket in a rubbing manner;
the processing hopper is also internally provided with a collision mechanism which is positioned on the left side of the tape throwing mechanism;
the treatment hopper comprises a discharge port arranged at the bottom, a limiting plate fixed on the left side of a hopper cavity and used for installing a collision mechanism, an end plate fixed at the right end and used for preventing the steel pipe of waste materials in the plate throwing mechanism from dropping, a clamping groove arranged on the inner wall of the cabin cavity and used for installing the plate throwing mechanism, and a spring seat arranged on the rear side and used for guiding installation of the plate throwing mechanism, wherein a discharge pipe is connected between the discharge port and the treatment hopper.
Preferably, the method comprises the following steps: the front inner wall and the rear inner wall of the belt polishing mechanism are provided with a bearing seat, and the belt polishing mechanism comprises two rollers and a polishing belt, wherein the two rollers are arranged through two groups of bearing seats, and the polishing belt is connected to the two rollers.
Preferably, the method comprises the following steps: the plate throwing mechanism comprises a plate throwing mechanism inserted into the clamping groove, a side rod is arranged on the rear side of the plate throwing mechanism and extends into the spring seat, a limiting block which forms pressure relief limiting with the spring seat is further arranged on the side rod, a layer of silicon crystal sand material is arranged on the top surface of the plate throwing mechanism, the plate throwing mechanism is located on the bottom side of the throwing belt, and a polishing space is reserved between the plate throwing mechanism and the throwing belt.
Preferably, the method comprises the following steps: the cam mechanism comprises a rotating shaft arranged on a motor transmission shaft, a rotating disc arranged on the rotating shaft and a pressing column fixed on the outer wall surface of the rotating shaft.
Preferably, the method comprises the following steps: and the side rods are also provided with cam plates for forming a cam effect with the compression columns.
Preferably, the method comprises the following steps: the collision moving mechanism comprises a front spring rod and a rear spring rod which are arranged on the limiting plate, and a collision seat fixed at the right ends of the two spring rods, wherein a leakage groove is formed in the collision seat.
Preferably, the method comprises the following steps: the right side of the impacting seat is provided with a row of bearing seats which are of a ball bowl structure with the right side concave inwards, and the bearing seats are positioned on the left side of the throwing plate.
Preferably, the method comprises the following steps: the left side of handling the fill still is provided with the fixed plate, and the fixed plate right side is installed broken through the swivel mount and is cut the fork, broken fork drive connection is on the spring beam of cutting.
Compared with the prior art, the invention has the following beneficial effects:
1. the treatment cabin that sets up, be provided with top grinding machanism through the throwing area, be provided with throwing board mechanism in throwing area bottom through throwing the board, double-deck formula structure of polishing has been constituted, can make the waste steel pipe or the reinforcing bar of demolising on the building rub with the hands, make the pug desorption that their surfaces left over when pouring, can be with throwing the waste steel pipe surface preliminary treatment in the car hopper, make the steel pipe collect the rear surface cleaner and tidier, the device is under simple structure's prerequisite, three station structure of polishing has, when collecting steel pipe class garbage collection and surface treatment, and the work efficiency is improved.
2. The polishing plate is positioned at the bottom side of the polishing belt, and is pulled left and right in a linkage driving mode, so that the waste steel pipe can be thrown into the polishing belt cavity to be polished along with the rotation of the polishing belt, and can also be thrown onto the polishing plate pulled back and forth, and the surface polishing is completed along with the back and forth pulling of the polishing plate, therefore, the existence of the polishing plate not only can form a bottom support when the polishing belt polishes the waste steel pipe, but also can form a polishing area with an independent bottom, and the working efficiency is improved when the waste steel pipe is polished.
3. The left side position is provided with broken scissors fork, this broken scissors fork is connected when the throwing board moves again, on the mechanism is cut in the collision of linkage, it is spacing to form left side buffering formula when the setting of mechanism is hit the pulling about the throwing board, it moves because of the slowly pressing that the throwing board striking produced to hit the mechanism, can link again on broken scissors fork, broken scissors fork is from becoming a station district, when hitting the mechanism with its linkage action, can cut the cement layer broken handle on the dysmorphism building waste material in the fork again with throwing, consequently, the setting of broken scissors fork has constituted a station district that is used for handling dysmorphism waste material surface mud material again, nimble practicality has obtained the improvement.
4. The power sources of the throwing plate action, the throwing belt rotation and the crushing shear fork extrusion action are all derived from motors which are arranged on the rear side and used for enabling the throwing belt to rotate.
Drawings
FIG. 1 is a schematic view of the configuration of the polishing plate of the present invention after it has been removed from the treatment chamber;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic diagram of a large structure whistle to a dog produced by B in FIG. 1;
FIG. 4 is a schematic view of the overall structure of the invention after the rejection plate is reassembled in the treatment cabin from FIG. 1;
FIG. 5 is an enlarged view of the portion C of the present invention, which is drawn from FIG. 4;
FIG. 6 is a schematic diagram of the right side view structure of the present invention for viewing the specific location and structure of the breaking scissor assembly;
FIG. 7 is a schematic structural diagram of a front view of the present invention;
FIG. 8 is a schematic top view of the present invention;
fig. 9 is a schematic diagram of the left side of the internal structure of the present invention after partial cutting.
Description of the main reference numerals:
1. a processing cabin; 2. a treatment hopper; 201. a discharge outlet; 202. a limiting plate; 203. an end plate; 204. a card slot; 205. a spring seat; 3. a discharge pipe; 4. a motor; 5. a bearing seat; 6. a tape throwing mechanism; 601. a drum; 602. polishing the belt; 7. a plate throwing mechanism; 701. plate polishing; 70101. silicon crystal sand material; 702. a side lever; 703. a limiting block; 704. a cam plate; 8. a cam mechanism; 801. a rotating shaft; 802. a turntable; 803. pressing the column; 9. a bumping mechanism; 901. a striker base; 90101. a leak groove; 902. a bearing seat; 903. a spring lever; 10. a fixing plate; 11. and (5) crushing the scissor fork.
Detailed Description
The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be specifically understood by those skilled in the art.
Referring to fig. 1-9, a waste recycling apparatus for demolition construction includes a processing chamber 1, characterized in that: a treatment bucket 2 is arranged in the treatment cabin 1, a motor 4 is arranged at the rear part of the treatment bucket 2, and a cam mechanism 8 is arranged on the motor 4;
a strip throwing mechanism 6 is arranged in the processing bucket 2, the strip throwing mechanism 6 is in belt transmission connection with a motor 4, a bearing seat 5 is arranged on the front inner wall and the rear inner wall of the strip throwing mechanism 6, the strip throwing mechanism 6 comprises two rollers 601 arranged through two groups of bearing seats 5 and a strip throwing 602 connected with the two rollers 601, when the motor 4 is electrified to work, the rollers 601 are driven by a transmission belt to rotate so that the rollers 601 drive the strip throwing 602 to rotate, steel pipe waste can be thrown into the strip throwing 602 at the moment, when the strip 602 rotates, mud remained on the surface is ground, the fallen mud is discharged from the left side of the processing bucket 2, a plate throwing mechanism 7 is arranged at the bottom side of the strip throwing mechanism 6, the plate throwing mechanism 7 is in driving connection with a cam mechanism 8 so as to rub-type grind the waste steel pipe thrown into the bottom of the processing bucket 2, the arrangement of the strip throwing mechanism 6 and the plate throwing mechanism 7 enables the processing bucket 2 to form an upper waste and a lower waste material, (of course, waste steel bars can be used for facilitating description and indication by waste steel pipes), so that the working efficiency is improved.
The treatment bucket 2 is also internally provided with a collision mechanism 9, the collision mechanism 9 is positioned at the left side of the strip throwing mechanism, as shown in figures 3 and 6, the treatment bucket 2 comprises a discharge port 201 arranged at the bottom, the discharge port 201 can collect waste mud generated when the high-position side of the treatment bucket 2 grinds waste materials and then discharge the waste mud downwards through a discharge pipe 3, a limit plate 202 fixed at the left side of a bucket cavity and used for installing the collision mechanism 9, an end plate 203 fixed at the right end and used for preventing the waste steel pipe in the strip throwing mechanism 7 from falling off, a clamping groove 204 arranged at the inner wall of the cabin cavity and used for installing the strip throwing mechanism 7, and a spring seat 205 arranged at the rear side and used for installing the strip throwing mechanism 7 in a guiding, the impact mechanism 9 includes two front and rear spring rods 903 mounted on the limiting plate 202, and an impact seat 901 fixed to the right ends of the two spring rods 903, wherein after the impact seat 901 receives an impact, the collision seat 901 is provided with a chute 90101 for discharging waste materials and pugs from right to left.
The plate throwing mechanism 7 comprises a throwing plate 701 inserted into the clamping groove 204, a side rod 702 is arranged on the rear side of the throwing plate 701, the side rod 702 extends into the spring seat 205, a limiting block 703 forming pressure relief limiting with the spring seat 205 is arranged on the side rod 702, a layer of silicon crystal sand 70101 is arranged on the top surface of the throwing plate 701, the throwing plate 701 is positioned on the bottom side of the throwing belt 602, and a grinding space is reserved between the throwing plate 701 and the throwing belt 602.
As shown in fig. 1, the cam mechanism 8 includes a rotating shaft 801 mounted on the transmission shaft of the motor 4, a rotating disc 802 mounted on the rotating shaft 801, and a pressing column 803 fixed on the outer wall surface of the rotating shaft 801, and a cam plate 704 for forming a cam effect with the pressing column 803 is further provided on the side lever 702, so that the rotating disc 802 intermittently contacts with the cam plate 704 through the pressing column 803 when rotating with the motor 4, and according to the transmission principle of the cam mechanism, the side lever 702 where the cam plate 704 is located can finally be displaced left and right, and the side lever 702 can also drive the throwing plate 701 to move left and right when being displaced left and right, so that the waste steel pipes on the throwing plate 701 can finish the polishing of the surface pug, and therefore, the power sources for the action of the throwing plate 701 and the action of the throwing belt 602 are both from.
As shown in fig. 4 and 5, a row of bearing seats 902 are installed on the right side of the impacting seat 901, the bearing seats 902 are of a ball-and-socket structure with a concave shape on the right side, so that the waste steel pipes thrown into the throwing belt 602 or onto the throwing plate 701 can be limited, most importantly, when the waste steel pipes are ground by the throwing plate 701 in a right-and-left rubbing manner, the waste steel pipes can impact on the bearing seats 902, so that the bearing seats 902 can be driven by the bearing seats 902 to move leftwards, the spring rods 903 which lose the squeezing effect when the throwing plate 701 moves rightwards can cause the bearing seats 902 to reset rightwards, as shown in fig. 6, the left side of the processing bucket 2 is also provided with a fixing plate 10, the right side of the fixing plate 10 is provided with a crushing scissor 11 through a swivel mount, the crushing scissor 11 is driven and connected to the spring rods 903, so that the impact mechanism 9 is linked to the crushing scissor 11 due to the impact of the waste steel pipes on the throwing plate 701, and, when the collision mechanism 9 acts in a linkage manner, a cement layer on the special-shaped building waste thrown into the crushing scissors 11 can be crushed, so that the arrangement of the crushing scissors forms a station area for processing mud on the surface of the special-shaped waste, power sources of the actions of the throwing plate 701, the rotation of the throwing belt 602 and the extrusion action of the crushing scissors 11 are all from the motor 4, when the device is started, the motor 4 drives the throwing belt 602 to rotate, the throwing plate 701 is synchronously pulled leftwards and rightwards by the cam mechanism 8, and the crushing scissors 11 are driven to act when the throwing plate 701 is pulled leftwards and rightwards, so that three processing stations work simultaneously, the structural design is ingenious, and a kinetic energy mechanism is saved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. Building is demolishd with retrieving waste material processing apparatus again, including handling cabin (1), its characterized in that: a treatment hopper (2) is arranged in the treatment cabin (1), a motor (4) is arranged at the rear part of the treatment hopper (2), and a cam mechanism (8) is arranged on the motor (4);
a belt throwing mechanism (6) is installed in the treatment bucket (2), the belt throwing mechanism (6) is in belt transmission connection with a motor (4) and is used for belt-type polishing of the waste steel pipes thrown into the top of the treatment bucket (2), a plate throwing mechanism (7) is arranged on the bottom side of the belt throwing mechanism (6), and the plate throwing mechanism (7) is in driving connection with a cam mechanism (8) so that the waste steel pipes thrown into the bottom of the treatment bucket (2) are rubbed and polished;
the processing hopper (2) is also internally provided with an impact mechanism (9), and the impact mechanism (9) is positioned on the left side of the tape throwing mechanism (6);
handle fill (2) including offering bin outlet (201) in the bottom, be fixed in limiting plate (202) that the fill chamber left side is used for the installation to hit motive device (9), be fixed in the right-hand member and prevent end plate (203) that the interior waste steel pipe of throwing board mechanism (7) deviates from, offer draw-in groove (204) and the rear side that are used for installing throwing board mechanism (7) that cabin intracavity wall is used for guide type installation to throw board mechanism (7) spring holder (205), be connected with between bin outlet (201) and the processing fill (2) and arrange material pipe (3).
2. The apparatus for processing recycled waste for demolition work of claim 1, wherein: the belt throwing mechanism (6) is characterized in that a bearing seat (5) is further mounted on the front inner wall and the rear inner wall of the belt throwing mechanism (6), and the belt throwing mechanism (6) comprises two rollers (601) mounted through two groups of bearing seats (5) and a belt throwing (602) connected to the two rollers (601).
3. The apparatus for processing recycled waste for demolition work of claim 2, wherein: the plate throwing mechanism (7) comprises a plate throwing mechanism (701) inserted into the clamping groove (204), a side rod (702) is arranged on the rear side of the plate throwing mechanism (701), the side rod (702) extends into the spring seat (205), a pressure-relieving limiting stopper (703) which forms pressure-relieving limiting with the spring seat (205) is further arranged on the side rod (702), a layer of silicon crystal sand (70101) is arranged on the top surface of the plate throwing mechanism (701), the plate throwing mechanism (701) is located on the bottom side of the throwing belt (602), and a polishing space is reserved between the plate throwing mechanism (7) and the throwing belt (602).
4. The recycling waste disposal apparatus for demolition of buildings according to claim 3, wherein: the cam mechanism (8) comprises a rotating shaft (801) arranged on a transmission shaft of the motor (4), a rotating disc (802) arranged on the rotating shaft (801) and a pressing column (803) fixed on the outer wall surface of the rotating shaft (801).
5. The recycling waste disposal apparatus for demolition of buildings according to claim 4, wherein: the side rod (702) is also provided with a cam plate (704) for forming a cam effect with the compression column (803).
6. The recycling waste disposal apparatus for demolition of buildings according to claim 3, wherein: the collision mechanism (9) comprises a front spring rod (903) and a rear spring rod (903) which are arranged on the limiting plate (202), and a collision seat (901) fixed at the right ends of the two spring rods (903), wherein a leakage groove (90101) is formed in the collision seat (901).
7. The apparatus for processing recycled waste for demolition work of claim 6, wherein: a row of bearing seats (902) are installed on the right side of the collision seat (901), each bearing seat (902) is of a ball bowl structure with a concave shape on the right side, and each bearing seat (902) is located on the left side of the throwing plate (701).
8. The apparatus for processing recycled waste for demolition work of claim 6, wherein: the left side of handling fill (2) still is provided with fixed plate (10), and fixed plate (10) right side installs broken scissors fork (11) through the swivel mount, broken scissors fork (11) drive is connected on spring beam (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011335733.2A CN112589626A (en) | 2020-11-24 | 2020-11-24 | Recycling waste treatment device for building demolition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011335733.2A CN112589626A (en) | 2020-11-24 | 2020-11-24 | Recycling waste treatment device for building demolition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112589626A true CN112589626A (en) | 2021-04-02 |
Family
ID=75183798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011335733.2A Withdrawn CN112589626A (en) | 2020-11-24 | 2020-11-24 | Recycling waste treatment device for building demolition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112589626A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62255062A (en) * | 1986-04-30 | 1987-11-06 | Mishima Kosan Co Ltd | Grinding method and device for defect on outer surface of cylinder |
| CN107127666A (en) * | 2017-05-10 | 2017-09-05 | 台州学院 | A kind of Digit Control Machine Tool machined burrs removal device |
| CN108453598A (en) * | 2018-03-02 | 2018-08-28 | 汤蒙琪 | A kind of machinery iron lumber surface bilayer synchronizes polissoir |
| CN109108774A (en) * | 2018-08-23 | 2019-01-01 | 温州天炽包装有限公司 | A kind of suitcase processing leather grinding device |
| CN109454537A (en) * | 2018-11-09 | 2019-03-12 | 王亮 | One kind is based on construction site construction steel tube surface derusting decontamination apparatus |
| CN210209860U (en) * | 2019-07-04 | 2020-03-31 | 丽水鑫荣发不锈钢制品有限公司 | Nonrust steel pipe surface finish grinding device |
| CN111390662A (en) * | 2020-03-31 | 2020-07-10 | 来剑锋 | Polishing equipment for steel pipe for building |
| CN111749461A (en) * | 2020-07-14 | 2020-10-09 | 郑州铁头机械科技有限公司 | Building steel pipe surface concrete removal device |
-
2020
- 2020-11-24 CN CN202011335733.2A patent/CN112589626A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62255062A (en) * | 1986-04-30 | 1987-11-06 | Mishima Kosan Co Ltd | Grinding method and device for defect on outer surface of cylinder |
| CN107127666A (en) * | 2017-05-10 | 2017-09-05 | 台州学院 | A kind of Digit Control Machine Tool machined burrs removal device |
| CN108453598A (en) * | 2018-03-02 | 2018-08-28 | 汤蒙琪 | A kind of machinery iron lumber surface bilayer synchronizes polissoir |
| CN109108774A (en) * | 2018-08-23 | 2019-01-01 | 温州天炽包装有限公司 | A kind of suitcase processing leather grinding device |
| CN109454537A (en) * | 2018-11-09 | 2019-03-12 | 王亮 | One kind is based on construction site construction steel tube surface derusting decontamination apparatus |
| CN210209860U (en) * | 2019-07-04 | 2020-03-31 | 丽水鑫荣发不锈钢制品有限公司 | Nonrust steel pipe surface finish grinding device |
| CN111390662A (en) * | 2020-03-31 | 2020-07-10 | 来剑锋 | Polishing equipment for steel pipe for building |
| CN111749461A (en) * | 2020-07-14 | 2020-10-09 | 郑州铁头机械科技有限公司 | Building steel pipe surface concrete removal device |
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| PB01 | Publication | ||
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Application publication date: 20210402 |