CN104999378A - Shot blasting device for inner wall of wind power tower - Google Patents
Shot blasting device for inner wall of wind power tower Download PDFInfo
- Publication number
- CN104999378A CN104999378A CN201510407022.4A CN201510407022A CN104999378A CN 104999378 A CN104999378 A CN 104999378A CN 201510407022 A CN201510407022 A CN 201510407022A CN 104999378 A CN104999378 A CN 104999378A
- Authority
- CN
- China
- Prior art keywords
- connector
- nozzle
- tower
- wheel
- tower cylinder
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/16—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating internal surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
Abstract
The invention discloses a shot blasting device for an inner wall of a wind power tower and belongs to the technical field of metal surface cleaning. The device is mainly used for shot blasting of the inner wall of the wind power tower and solves problems that the inner wall of the wind power tower is rusted and corroded, the efficiency of cleaning attachments such as welding slag and the like is low, and stress concentration is caused in a tower rolling process. The device comprises a shot blasting vessel, a shot blasting room, a bearing vehicle, a sprayer and a connector. Power is provided by a motor; under the action of the bearing vehicle, the tower moves slowly along the axis of itself; a spray nozzle and the tower move relatively, so that the spray nozzle can carry out shot blasting for the inner wall of the tower gradually; and scattering shots and produced dust are conveyed to other devices connected with the connector, so that effective processing can be carried out. According to the hot blasting device for the inner wall of the wind power tower, the cleaning efficiency and the automation degree are high, little dust pollution is caused, the surface quality is improved, stress concentration is reduced, the labor intensity of a worker is reduced, and the working environment of the worker is improved.
Description
Technical field
The invention belongs to metallic surface finishing technical field, relate to a kind of blast cleaning plant, specifically a kind of inner wall of wind-power tower drum blast cleaning plant.
Background technology
Blast cleaning technology is a kind of effectively method in process for treating surface.Blast cleaning technology utilizes compressed air or high-pressure blast to be sprayed at a high speed by ball material and acts on metal and mechanical component surface, the attachments such as the rust staining on metal and mechanical component surface, burr, oxide skin are come off, thus reach the effect of blast cleaning, also can produce certain thickness hardened layer in metal surface, the stress of metal surface be concentrated and has some improvement; The surface quality of metal to be treated component is improved, and the surface roughness obtained and surface smoothness are relatively evenly and be easy to control.
Wind-power tower is the important load-carrying component of wind power plant, and the larger and diameter of the size of tower cylinder external diameter is change, and be rolled by plate to be welded in manufacturing process, in the process rolled, plate deforms, and creates stress concentration phenomenon; In welding procedure, welding slag will be cleaned out, otherwise, the service life of welding quality and interface can be affected.
Wind power plant is mainly arranged on the abundant place of the wind resource such as seashore, plateau, and tower cylinder stands wind and weather Exposure to Sunlight throughout the year, but tower cylinder inwall can avoid the impact of these factors.Because seaside air is moister, contain fine sand in the wind of some areas, tower cylinder inwall air circulation is bad, and material also can produce certain corrosion, if do not add protection or protect not in place before dispatching from the factory, will increase cost and the difficulty of later maintenance; Because tower cylinder is erect highly higher, under the action of the forces of the wind, there will be swing, tower cylinder is by alternate stress, and tower cylinder subregion there will be the phenomenons such as fatigue corrosion.These phenomenons above-mentioned, will directly affect the service life of wind power equipment, even can cause serious economic loss.
Wind power equipment tower cylinder working environment more complicated, so tower cylinder device must properly protect before dispatching from the factory, must clean out attachments such as the welding slag of tower cylinder inner wall surface, rust stainings, otherwise, the service life of coating material can be affected.Material and the tower cylinder inwall adhesion of coating are stronger, and the service life of tower cylinder inwall coating material is longer, the minimizing that the regular maintenance of tower cylinder will be suitable.If removing surface is not in place, rust staining cleaning is unclean, directly applies protective materials, and continue corrosion at later stage rust staining, material fluffs, and tower cylinder inwall just there will be little convex closure, and then crackle appears in protective coating, and then coating material comes off, and causes protection to be lost efficacy.In order to safeguard the tower cylinder life-span, have to manually again polish, again apply new coating material, workman's work high above the ground, danger is higher, and maintenance cost is also higher.
Tower cylinder is rolled by plate and is welded, and the attachments such as the welding slag of tower cylinder inwall and rust staining rely on manual polishing, and because tower cylinder inwall air flow property is poor, the dust of generation is not easy to diffusion and process, causes serious impact to the health of workman; Manual polishing, because tower cylinder internal diameter is larger, polishes not very convenient and efficiency is very low; Manual polishing, the uncertain factor of existence is a lot, and surface roughness and fineness are not easy to control and surface quality is uneven, has a strong impact on the adhesion of coating material and depend on intensity.
At present, the report of inner wall of wind-power tower drum blast cleaning is fewer, and inner wall of wind-power tower drum blast cleaning equipment is more rare.
Summary of the invention
The object of the present invention is to provide one can process large-sized inner wall of wind-power tower drum blast cleaning plant efficiently, be mainly used in the bead of inner wall of wind-power tower drum, solve stress in the lower and tower cylinder coiling process of the attachment cleaning efficiencies such as inner wall of wind-power tower drum corrosion, welding slag and the problem such as to concentrate.
The present invention solves the technical scheme that its technical problem takes: a kind of inner wall of wind-power tower drum blast cleaning plant, and this device mainly comprises wheel abrator, shot-peening room, carrying vehicle, shower nozzle and connector, the one end in shot-peening room is designed with protective door (top protective door and side protective door), one end of side, shot-peening room protective door is designed with two wheel abrators, the bottom design in shot-peening room has two rail, rail is designed with three carrying vehicles, carrying vehicle places wind-power tower, one end of tower cylinder is designed with sealing plate, and wheel abrator and sealing plate are designed with connector, described wheel abrator is the device that ball material is launched, have two, each wheel abrator is designed with four wheel abrator discharging connectors, wheel abrator discharging connector is connected with one end of conveying pipeline, the other end of conveying pipeline is connected with nozzle material-feeding connector, the corresponding conveying pipeline of each nozzle and wheel abrator discharging connector, described conveying pipeline totally eight, is made up of potassium steel high-abrasive material, and eight conveying pipelines are bundled in together, described shot-peening room be one can be airtight space, common angle steel and iron sheet welding assembly is adopted to form, cost is lower, the ball material that wheel abrator is launched does not produce active force to shot-peening room inwall, the sealing plate of tower cylinder one end is designed with ball material and is separated connector and dedusting exhausting connector, dust is mainly supplied to cleaner by flexible pipe by dedusting exhausting connector, ball material is separated connector and mainly the ball material be scattered is supplied to ball material separation equipment by flexible pipe, blast cleaning operation is mainly carried out in tower cylinder, the shot-peening room design in outside is mainly protective action, establish safe space, prevent the workman of tower cylinder to surrounding moved from damaging, described carrying vehicle comprises motor, backplate, protective cover, steel wheel, support wheel, support and transverse axis, totally three, by motor for carrying vehicle provides power, backplate and protective cover mainly protective action, the bottom of support is designed with steel wheel, steel wheel directly contacts with rail, the upper design of support has support wheel, and support wheel directly contacts with tower cylinder and is used for carrying tower cylinder, and same two axial steel wheels are connected by transverse axis, motor is arranged on the side of carrying vehicle, and steel wheel and motor adopt direct-connected mode, described shower nozzle comprises nozzle holder, supporting leg, nozzle, nozzle material-feeding connector and roller, nozzle holder is used for supporting fixed nozzle and supporting leg, supporting leg can stretch, roller directly and tower cylinder contact internal walls, the angle of nozzle and tower cylinder axis can adjust, the distance of nozzle and tower cylinder also can adjust, and nozzle material-feeding connector is connected with conveying pipeline, described connector comprises wheel abrator discharging connector, dedusting exhausting connector, nozzle material-feeding connector is separated connector with ball material, wheel abrator discharging connector, is the interface arrangement that wheel abrator is connected with conveying pipeline, dedusting exhausting connector is the interface arrangement that the exhausting flexible pipe of cleaner is connected with tower cylinder sealing plate, nozzle material-feeding connector is the interface arrangement that nozzle is connected with conveying pipeline, ball material is separated connector, is the interface arrangement that sealing plate is connected with the flexible pipe of ball material separation equipment.
The invention has the beneficial effects as follows: 1. the design of dedusting exhausting connector on sealing plate, for the subnormal ambient built in tower cylinder prepares, when decreasing shot-peening operation, dust leaks, prevent the pollution of shot-peening operation surrounding environment, also for workman provides working environment relatively preferably, larger advantage is had compared with the shot-peening implement that other are open, tower cylinder is also the main barrier preventing ball material from sputtering, greatly reduce the designing requirement in shot-peening room, save the high-abrasive material of aniseed, save design cost.2. be provided with two wheel abrators and eight nozzles, can carry out shot-peening operation, efficiency is higher simultaneously, save a large amount of man-hours compared with manual polishing, improve production efficiency, substantially increase surface quality, improve surface roughness and surface smoothness, meet the technical requirement of Material coating.3. the bullet of nozzle sequential filming constantly clashes into tower cylinder inwall, and the attachment such as rust staining, welding slag of inner wall surface is cleaned, and the Distance geometry nozzle of nozzle and tower cylinder inwall and the axis of tower cylinder all can adjust, and cleaning effect is better, does not have dead angle.4. wind-power tower is placed on carrying vehicle, can carry out blast cleaning operation according to predetermined requirement, human intervention is less, and automaticity is relatively high, alleviate labour intensity and the workload of workman, it also avoid the harm that manual polishing or pistol operation cause people.5. the tower cylinder inwall after blast cleaning presents metal true qualities, the attachment such as rust staining, welding slag on surface obtains omnibearing cleaning, surface quality is improved, surface roughness and surface smoothness relatively good, there is small pit in surface, improve coating material adhesion and depend on intensity, improve the service life of coating material, reduce maintenance cost in the future, extend again the cycle of coating material, save a large amount of physical resources and financial resources and manpower.6. blast cleaning is due to the effect of impulsive force, and also there will be one deck hardened layer on surface, material is dense, also improves tower cylinder inwall resistance to corrosion, also decreases the stress that produces because rolling to a certain extent and the problem such as to concentrate.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is internal structure perspective view of the present invention.
Fig. 3 is partial enlargement structural representation of the present invention.
Fig. 4 is another line of vision partial enlargement structural representation of the present invention.
Fig. 5 is nozzle component perspective view.
In figure: 1 wheel abrator, 2 wheel abrator discharging connectors, 3 rail, 4 steel wheels, 5 motors, 6 carrying vehicles, 7 backplates, 8 protective covers, 9 protective doors, 10 dedusting exhausting connectors, 11 sealing plates, 12 shot-peening rooms, 13 shower nozzles, 14 nozzles, 15 supporting legs, 16 head cartridges, 17 rollers, 18 supports, 19 nozzle material-feeding connectors, 20 conveying pipelines, 21 tower cylinders, 22 ball material are separated connector, 23 support wheels, 24 transverse axis.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and wherein exemplary embodiment and explanation are only used for explaining the present invention, but not as a limitation of the invention.
As shown in Figures 1 to 5, a kind of inner wall of wind-power tower drum blast cleaning, its structure comprises wheel abrator 1, shot-peening room 12, carrying vehicle 6, shower nozzle 13 and connector, the one end in shot-peening room 12 is designed with protective door 9(and pushes up protective door and side protective door), one end of side, shot-peening room 12 protective door is designed with two wheel abrators 1, the bottom design in shot-peening room 12 has two rail 3, rail 3 is designed with three carrying vehicles 6, carrying vehicle 6 is placed wind-power tower 21, one end of tower cylinder 21 is designed with sealing plate 11, and wheel abrator 1 and sealing plate 11 are designed with connector, described wheel abrator 1 is the device that ball material is launched, have two, each wheel abrator 1 is designed with four wheel abrator discharging connectors 2, wheel abrator discharging connector 2 is connected with one end of conveying pipeline 20, the other end of conveying pipeline 20 is connected with nozzle material-feeding connector 19, the corresponding conveying pipeline 20 of each nozzle 14 and wheel abrator discharging connector 2, described conveying pipeline 20 totally eight, is made up of potassium steel high-abrasive material, and eight conveying pipelines 20 are bundled in together, described shot-peening room 12 be one can be airtight space, common angle steel and iron sheet welding assembly is adopted to form, cost is lower, the ball material that wheel abrator 1 is launched does not produce active force to shot-peening room 12 inwall, the sealing plate 11 of tower cylinder 21 one end is designed with ball material and is separated connector 22 and dedusting exhausting connector 10, dust is mainly supplied to cleaner by flexible pipe by dedusting exhausting connector 10, ball material is separated connector 22 and mainly the ball material be scattered is supplied to ball material separation equipment by flexible pipe, blast cleaning operation is mainly carried out in tower cylinder 21, shot-peening room 12 design in outside is mainly protective action, establish safe space, prevent the workman of tower cylinder 21 to surrounding moved from damaging, described carrying vehicle 6 comprises motor 5, backplate 7, protective cover 8, steel wheel 4, support wheel 23, support 18 and transverse axis 24, totally three, by motor 5 for carrying vehicle 6 provides power, backplate 7 and protective cover 8 mainly protective action, the bottom of support 18 is designed with steel wheel 4, steel wheel 4 directly contacts with rail 3, the upper design of support 18 has support wheel 23, support wheel 23 directly contacts with tower cylinder 21 and is used for carrying tower cylinder 21, same axial two steel wheels 4 are connected by transverse axis 24, motor 5 is arranged on the side of carrying vehicle 6, and steel wheel 4 and motor 5 adopt direct-connected mode, described shower nozzle 13 comprises nozzle holder 16, supporting leg 15, nozzle 14, nozzle material-feeding connector 19 and roller 17, nozzle holder 16 is used for supporting fixed nozzle 14 and supporting leg 15, supporting leg 15 can stretch, roller 17 directly and tower cylinder 21 contact internal walls, nozzle 14 can adjust with the angle of tower cylinder 21 axis, nozzle 14 also can adjust with the distance of tower cylinder 21, and nozzle material-feeding connector 19 is connected with conveying pipeline 20, described connector comprises wheel abrator discharging connector 2, dedusting exhausting connector 10, nozzle material-feeding connector 19 is separated connector 22 with ball material, wheel abrator discharging connector 2, is the interface arrangement that wheel abrator 1 is connected with conveying pipeline 20, dedusting exhausting connector 10 is interface arrangements that the exhausting flexible pipe of cleaner is connected with tower cylinder sealing plate 11, nozzle material-feeding connector 19 is interface arrangements that nozzle 14 is connected with conveying pipeline 20, ball material is separated connector 22, is the interface arrangement that sealing plate 11 is connected with the flexible pipe of ball material separation equipment.
Before blast cleaning operation, according to requirement and the size of tower cylinder 21 to be peened, the angle of adjustment nozzle 14.After adjustment, whole shot-peening room 12 top protection door 9 is opened (or claiming top protective door), the distance of adjustment three carrying vehicles 6, with crane, tower cylinder 21 is sling, be placed on carrying vehicle 6 through top, shot-peening room 12, sealing plate 11 is installed and dedusting exhausting connector 10 and ball material is separated the flexible pipe that connector 22 is connected relevant device, starter motor 5, tower cylinder 21 moves, shower nozzle 13 starts to enter (ground is motionless relatively for shower nozzle 13) in tower cylinder 21, close shot-peening room 12 protective door 9, start auxiliary device (cleaner, ball material separation equipment and ball material conveying equipment), start wheel abrator 1, the ball material that wheel abrator 1 is launched constantly clashes into tower cylinder 21 inwall under the effect of eight nozzles 14, tower cylinder 21 constantly moves axially under the effect of carrying vehicle 6, tower cylinder 21 and shower nozzle 13 move to axial in tower cylinder 21, the ball material of transmitted at high speed is progressively to the welding slag of tower cylinder 21 inwall, the attachments such as rust staining are cleared up, the dust produced is supplied to other equipment with the ball material be scattered through connector (dedusting exhausting connector 10 is separated connector 22 with ball material) and effectively processes, after blast cleaning operation completes, close wheel abrator 1, motor 5 is reversed, tower cylinder 21 is axially mobile in the other direction, turn back to original position, shower nozzle 13 is not in tower cylinder 21, close cleaner, ball material separation equipment and ball material conveying equipment, open protective door 9, the tower cylinder 21 bead crossed with crane takes out, then lift pending tower cylinder 21 and carry out bead, the inwall of wind-power tower 21 is exactly complete blast cleaning operation in above process.
By above-described embodiment, the attachment such as rust staining, welding slag of inner wall of wind-power tower drum obtains omnibearing cleaning and presents metal true qualities, the surface quality of tower cylinder inwall is improved, surface roughness and surface smoothness relatively good, having there is small pit in surface, is conducive to the adhesion of raising coating material and depends on intensity; Under the effect of impulsive force, the surface of tower cylinder inwall also there will be one deck hardened layer, and material is dense, is also conducive to improving tower cylinder inwall resistance to corrosion, also decreases the stress produced because rolling to a certain extent and the problem such as to concentrate.
The foregoing is only embodiments of the invention, is not the restriction to the scope of the claims of the present invention.Every utilize summary of the present invention, description and accompanying drawing content to do equivalent structure or equivalent transformation, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. an inner wall of wind-power tower drum blast cleaning plant, is characterized in that: comprise wheel abrator, shot-peening room, carrying vehicle, shower nozzle and connector; The one end in shot-peening room is designed with protective door, one end of side, shot-peening room protective door is designed with two wheel abrators, the bottom design in shot-peening room has two rail, rail is designed with three carrying vehicles, carrying vehicle places wind-power tower, one end of tower cylinder is designed with sealing plate, and wheel abrator and sealing plate are designed with connector; Described wheel abrator has two, and each wheel abrator is designed with four wheel abrator discharging connectors; Described shot-peening room adopts common angle steel and iron sheet welding assembly to form, and the sealing plate of tower cylinder one end is designed with ball material and is separated connector and dedusting exhausting connector; Described carrying vehicle comprises motor, backplate, protective cover, steel wheel, support wheel, support and transverse axis, totally three, by motor for carrying vehicle provides power, the bottom of support is designed with steel wheel, and steel wheel directly contacts with rail, and the upper design of support has support wheel, support wheel directly contacts with tower cylinder and is used for carrying tower cylinder, same two axial steel wheels are connected by transverse axis, and motor is arranged on the side of carrying vehicle, and steel wheel and motor adopt direct-connected mode; Described shower nozzle comprises nozzle holder, supporting leg, nozzle, nozzle material-feeding connector and roller, and nozzle holder is used for supporting fixed nozzle and supporting leg, and directly and tower cylinder contact internal walls, nozzle material-feeding connector is connected with conveying pipeline roller; Described connector comprises wheel abrator discharging connector, dedusting exhausting connector, nozzle material-feeding connector are separated connector with ball material.
2. a kind of inner wall of wind-power tower drum blast cleaning plant according to claim 1, it is characterized in that: wheel abrator discharging connector is connected with one end of conveying pipeline, the other end of conveying pipeline is connected with nozzle material-feeding connector, the corresponding conveying pipeline of each nozzle and wheel abrator discharging connector.
3. a kind of inner wall of wind-power tower drum blast cleaning plant according to claim 1, is characterized in that: supporting leg can stretch.
4. a kind of inner wall of wind-power tower drum blast cleaning plant according to claim 1, it is characterized in that: the angle of nozzle and tower cylinder axis can adjust, the distance of nozzle and tower cylinder also can adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407022.4A CN104999378A (en) | 2015-07-13 | 2015-07-13 | Shot blasting device for inner wall of wind power tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407022.4A CN104999378A (en) | 2015-07-13 | 2015-07-13 | Shot blasting device for inner wall of wind power tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104999378A true CN104999378A (en) | 2015-10-28 |
Family
ID=54372373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510407022.4A Pending CN104999378A (en) | 2015-07-13 | 2015-07-13 | Shot blasting device for inner wall of wind power tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509190A (en) * | 2019-08-01 | 2019-11-29 | 青岛天能重工股份有限公司 | A kind of telescopic wind power tower drum inner wall pneumatic shot blast machine |
| CN115672844A (en) * | 2023-01-04 | 2023-02-03 | 河北橡一医药科技股份有限公司 | Medical rubber plug cleaning machine capable of cleaning inner wall |
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| CN204053811U (en) * | 2014-07-08 | 2014-12-31 | 河北洁绿风电设备有限公司 | A kind of inside and outside ballasting rust remover |
| CN204736106U (en) * | 2015-07-13 | 2015-11-04 | 济南大学 | Wind -powered electricity generation tower section of thick bamboo inner wall peening cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000218547A (en) * | 1999-02-04 | 2000-08-08 | Nissanki:Kk | Blast device for inner surface of steel pipe or the like |
| DE20020056U1 (en) * | 2000-10-31 | 2001-03-01 | Industrieanstriche Friedrich T | Device for removing inner pipe coatings and / or for radiation rust removal from inner pipe surfaces in pipes |
| CN201913551U (en) * | 2010-12-26 | 2011-08-03 | 山东省高密市东兴铸造机械有限公司 | Automatic shot blasting machine for inner wall of tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509190A (en) * | 2019-08-01 | 2019-11-29 | 青岛天能重工股份有限公司 | A kind of telescopic wind power tower drum inner wall pneumatic shot blast machine |
| CN115672844A (en) * | 2023-01-04 | 2023-02-03 | 河北橡一医药科技股份有限公司 | Medical rubber plug cleaning machine capable of cleaning inner wall |
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Application publication date: 20151028 |
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