CN106640553B - Fan tower section of thick bamboo cleaning equipment of variable cleaning radius - Google Patents
Fan tower section of thick bamboo cleaning equipment of variable cleaning radius Download PDFInfo
- Publication number
- CN106640553B CN106640553B CN201611147413.8A CN201611147413A CN106640553B CN 106640553 B CN106640553 B CN 106640553B CN 201611147413 A CN201611147413 A CN 201611147413A CN 106640553 B CN106640553 B CN 106640553B
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- cleaning
- rod
- telescopic ring
- scissor
- annular base
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- 238000004140 cleaning Methods 0.000 title claims abstract description 104
- 235000017166 Bambusa arundinacea Nutrition 0.000 title description 2
- 235000017491 Bambusa tulda Nutrition 0.000 title description 2
- 241001330002 Bambuseae Species 0.000 title description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 title description 2
- 239000011425 bamboo Substances 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to a fan tower drum cleaning device with a variable cleaning radius, which comprises a cleaning chain and an annular base, wherein the cleaning chain is connected with the annular base through a connecting frame; the cleaning chain is provided with a telescopic ring and a cleaning device arranged on the telescopic ring, the telescopic ring is formed by connecting a plurality of scissor sets end to form an annular structure, and the telescopic ring is used for changing the diameter of the cleaning chain. The telescopic ring is formed by connecting the plurality of scissor groups end to end, and the hinge point of at least one scissor group is provided with the tensioning mechanism, so that the diameter of the telescopic ring can be changed according to the diameters of different fan tower cylinders. The device has the advantages of simple structure, low cost, no need of manual high-altitude operation, high safety, little water for cleaning operation, environmental protection and energy saving.
Description
Technical Field
The invention relates to the field of cleaning equipment, in particular to fan tower drum cleaning equipment with a variable cleaning radius.
Background
In the running process of the wind generating set, due to the sealing problem or mechanical failure of a transmission system, a lubricating system and a hydraulic system, the problem of lubricating oil leakage often occurs, and the working environment where the wind generating set is positioned is generally spread with sand and dust, and under the action of wind force, the sand and dust are attached to the tower wall adhered with greasy dirt, so that the attractiveness of a fan is seriously influenced, the brand reputation of a fan manufacturer is negatively influenced, and meanwhile, the difficulty of daily maintenance and detection of the surface of a fan tower barrel is increased.
At present, the cleaning operation of the tower is mainly finished by manpower operation. The operation staff is attached to the tower body of the wind power generation tower through ropes hung on the generator cabin, and the tower barrel is manually cleaned from top to bottom. The operation mode has the following problems: 1. the operators can only move from top to bottom along the tower wall, can not reciprocate, and has low working efficiency and long cleaning period. 2. One cleaning person cannot rotate along the tower wall, so that a plurality of operators are required to simultaneously clean the tower wall, and the labor cost and the cleaning cost are high. 3. The tower height is generally higher than 100m, and the high wind power effect generally exists, and the dangerous coefficient of the manual high-altitude cleaning operation is high, so that the safety accident is easy to occur.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide a fan tower drum cleaning device with variable cleaning radius, which has high cleaning efficiency and can be cleaned repeatedly.
(II) technical scheme
In order to solve the technical problems, the fan tower drum cleaning equipment with the variable cleaning radius comprises a cleaning chain and an annular base, wherein the cleaning chain is connected with the annular base through a connecting frame; the cleaning chain is provided with a telescopic ring and a cleaning device arranged on the telescopic ring, the telescopic ring is formed by connecting a plurality of scissor sets end to form an annular structure, and the telescopic ring is used for changing the diameter of the cleaning chain.
Wherein each of the scissor sets comprises a first bar and a second bar which are cross-hinged, and a third bar and a fourth bar which are cross-hinged; one end of the first rod is connected with one end of the third rod, and one end of the second rod is connected with one end of the fourth rod;
The other end of the first rod in each scissor group is connected with the other end of the third rod in the adjacent scissor group;
The other end of the second rod in each scissor group is connected with the other end of the fourth rod in the adjacent scissor group.
The hinge joint of the first rod and the second rod which are in cross hinge is a first hinge point, the hinge joint of the third rod and the fourth rod which are in cross hinge is a second hinge point, and a tensioning structure is arranged between at least the first hinge point and the second hinge point of one of the scissor sets and used for shrinking the telescopic ring.
The tensioning structure comprises a first bracket, a guide rail is arranged on the first bracket, two sliding blocks are respectively and slidably arranged on the guide rail, and the two sliding blocks are respectively connected with the first hinge point and the second hinge point;
the device also comprises an elastic mechanism, wherein the elastic mechanism is arranged between the two sliding blocks and/or between the sliding blocks and the first bracket.
The connecting frame comprises a second support arranged on the annular base, and the second support is hinged with the first support through a swing arm.
The annular base comprises two lead screws and two moving arms, wherein the two lead screws are oppositely arranged, the two moving arms are oppositely arranged, and the lead screws and the moving arms are connected at intervals to form an annular shape; the screw rod driving device is characterized in that screw rod nuts are arranged at the end parts of the two screw rods, the screw rod nuts are connected with the end parts of the movable arms, and motors for driving the screw rods to move are further arranged on the two screw rods.
The cleaning device comprises brush discs arranged at two ends of each first rod and cleaning spray heads arranged on each second rod, each cleaning spray head is connected with a water tank arranged on the annular base through a pipeline, and each brush disc is rotatably connected with the first rod through a motor.
Wherein, both ends of each first pole and both ends of each second pole are articulated with both ends of each third pole and each fourth pole through ball hinges.
Wherein, set up a plurality of lifting rings on annular base.
Wherein, be provided with a plurality of equipartitions spacing gyro wheels on the cleaning chain.
(III) beneficial effects
The fan tower drum cleaning equipment with the variable cleaning radius has the following advantages:
1. The telescopic ring is formed by connecting the plurality of scissor groups end to end, and the hinge point of at least one scissor group is provided with the tensioning mechanism, so that the diameter of the telescopic ring can be changed according to the diameters of different fan tower cylinders.
2. According to the invention, the brush discs are arranged at the two ends of each first rod, the cleaning spray heads are arranged on each second rod, the cleaning spray heads are connected with the water tank arranged on the annular base through the pipelines, and each brush disc is rotationally connected with the first rod through the motor to drive each brush disc to rotate, so that the brush discs can be rotated and cleaned while the cleaning spray heads spray water, and the cleaning effect is better.
3. The end part of the screw rod is provided with the screw rod nut, the movable arm is connected with the screw rod nut, and the screw rod is provided with the motor, so that the size of the annular base can be changed, and meanwhile, the annular base is connected with the cleaning chain through the connecting frame, so that the size of the telescopic ring can be adjusted in an auxiliary mode.
4. The hoisting ring is arranged on the annular base, so that the hoisting ring can be matched with a cabin cable rope to realize the up-and-down movement of the device as a whole and perform the king cleaning on the surface of the tower.
5. The device has the advantages of simple structure, low cost, no need of manual high-altitude operation, high safety, little water for cleaning operation, environmental protection and energy saving.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the telescopic ring according to the present invention;
FIG. 4 is a partial enlarged view at B of FIG. 3;
FIG. 5 is a schematic view of a connecting frame according to the present invention;
FIG. 6 is a schematic view of the annular base of the present invention;
Fig. 7 is a schematic structural view of the cleaning device of the present invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the invention discloses a fan tower cleaning device 100 with a variable cleaning radius, which is sleeved on a fan tower 200, and comprises a cleaning chain 1 and an annular base 2, wherein the cleaning chain 1 is connected with the annular base 2 through a connecting frame 3, the cleaning chain 3 is provided with a telescopic ring 4, and the telescopic ring 4 can change the diameter of the telescopic ring, so that the device can adapt to towers 200 with different outer diameters, and the cleaning of the towers 200 is realized. The telescopic ring 4 of the cleaning chain 1 is also provided with a cleaning device 6.
As shown in fig. 3 and 4, the structure of the telescopic ring 4 is described below, and in an alternative embodiment, the telescopic ring 4 is formed by connecting a plurality of scissor sets 5 end to form a ring structure, and the scissor sets 5 include: a first rod 51 and a second rod 52 cross-hinged, and a third rod 53 and a fourth rod 54 cross-hinged; one end of the first lever 51 is connected to one end of the third lever 53, and one end of the second lever 52 is connected to one end of the fourth lever 54; the other end of the first rod 51 in each fork group 5 is connected with the other end of the third rod 53 in the adjacent fork group 5; the other end of the second bar 52 in each fork group 5 is connected to the other end of the fourth bar 54 in the adjacent fork group 5.
The cleaning device 6 may be disposed on the inner surface of the first rod 51 or may be disposed on the outer surface of the first rod 51 according to the different cleaning positions (the above description of the telescopic ring is referred to as the first description mode because the telescopic ring will be described in another way).
Of course, the above-mentioned selection of the first rod 51 to provide the cleaning device 6 is an alternative embodiment, mainly considering the space layout, preventing the excessive cleaning structure from affecting the diameter variation of the telescopic ring. In some embodiments, the cleaning device 6 may be provided on each of the bars, or it may be arbitrarily selected on which bar the cleaning device 6 is provided.
Generally, when the first rod 51 is used as a cleaning rod, the first rod may be larger than other rods in size to facilitate selection and installation. In the above description of the telescopic ring, in order to clearly describe how the cleaning device 6 is provided (i.e., the above-described "cleaning device is provided on the first rod"), four rod bodies are defined as one scissor set 5.
In some embodiments, the first rod 51 may not be selected as a mounting rod for mounting the cleaning device 6, the rod may be selected arbitrarily, and the rod mounted with the cleaning device 6 may not necessarily need to be changed in size, so each rod in the telescopic ring 4 may be the same rod for performing the scissor connection.
It should be understood that the above definition of four rods as one scissor set 5 is for convenience of description, and the four rods may be completely rods with the same size and the same structure, so that the telescopic ring 4 is described in another description manner below.
Another description of the telescopic ring 4: the telescopic ring 4 is composed of a scissors group 5, and the scissors group 5 comprises: a first rod 51 and a second rod 52 cross-hinged; the two ends of the first rod 51 in each scissor group 5 are respectively connected with the second rods 52 in the two adjacent scissor groups 5; two ends of the second rod 52 in each scissor group 5 are respectively connected with the first rods 51 in the two adjacent scissor groups; the plurality of scissors groups 5 are connected in turn into a ring shape. It should be noted that the description below is based on the first description (i.e. the scissors group is made up of four bars) unless otherwise specified. (for the sake of distinction, this description mode will be referred to as the second description mode)
Of course, because the above-mentioned scissors group 5 is annular, therefore, the junction of each body of rod can adopt ball hinge 7 to connect, guarantees to realize annular combination.
In order to ensure the telescoping performance of the telescopic ring 4, a tensioning structure 9 may be further provided for controlling the telescoping of the telescopic ring 4. The following description is based on the first description.
The above rod bodies (four rod bodies in the first description or two rod bodies in the second description) may further be provided with a limiting roller 8, so that the cleaning chain 1 can perform limiting and elastic rolling contact through the limiting roller 8 in the process of contacting the surface of the tower 200, so that the cleaning chain 1 is prevented from scratching the surface of the tower 200 and controlling the distance between the cleaning device 6 and the surface of the tower 200, and the cleaning force of the cleaning device 6 is controlled, and the specific cleaning device 6 will be described below, but no matter scrubbing or washing, the distance between the cleaning chain and the tower 200 will affect the cleaning effect.
The hinge point of the first rod 51 and the second rod 52 is used as a first hinge point 55, the hinge point of the third rod 53 and the fourth rod 54 is used as a second hinge point 56, and a tensioning structure 9 is arranged between the first hinge point 55 and the second hinge point 56 and used for contracting the telescopic ring 4. Because the telescopic ring 4 has a plurality of scissor sets, the first hinge point and the second hinge point can be adjacent or separated, and two adjacent ones are generally preferred.
If based on the second description mode, it is: the tension structure 9 is provided by selecting two of adjacent or spaced hinge points with the hinge point of the first and second bars 51 and 52 being cross-hinged.
As shown in fig. 5, the following describes a tensioning structure 9 comprising: a first bracket 91; a guide rail 92 fixedly provided on the bracket 91; two sliders 93 slidably disposed on the guide rail 92, respectively, and each slider 93 has a connection end connected to the first hinge point 54 and the second hinge point 55, respectively (in the second description, the tension structure 9 is disposed at two selected hinge points); the elastic mechanism 10, the elastic mechanism 10 is disposed between the two sliders 93, and/or disposed between the sliders 93 and the first bracket 91. The two sliding blocks 93 are controlled to drive the scissor sets 5 of the telescopic ring 4 to move through the extension and retraction of the elastic mechanism 10, so that the diameter change of the cleaning chain 1 is realized.
Of course, the above is only a preferred embodiment, and the tensioning structure 9 is mainly used to change the diameter of the telescopic ring 4, so in other embodiments, the tensioning structure 9 may also be a motor, a pneumatic cylinder, a hydraulic cylinder, a rack and pinion, etc. and may be disposed between two hinge points, for example, the cylinder bottom of the pneumatic cylinder is disposed at a first hinge point, the telescopic rod is disposed at a second hinge point, and the telescopic ring is driven to change the diameter by the telescopic action of the pneumatic cylinder.
In an alternative embodiment, the washing chain 1 is fixed to the annular base 2 by means of a connecting frame 3, the connecting frame 3 comprising a second bracket 31 provided on the annular base 2, the second bracket 31 being hinged to the first bracket 91 by means of a swing arm 32.
As shown in fig. 6, the annular base 2 is explained below, the annular base 2 including: the device comprises two lead screws 21 and two moving arms 22, wherein the two lead screws 21 are oppositely arranged, and the two moving arms 22 are oppositely arranged; screw nuts 24 are arranged at two ends of each screw 21, the movable arm 22 is connected with the screw nuts 21, and a motor 23 for driving the screw 21 to rotate is further arranged on the screw 21; the annular base 2 can support a cleaning chain, and can also change the size according to the outer diameter of the tower 200, and the moving arm 22 is driven to move by the movement of the screw nut 21, so that the annular size is changed.
The annular base 2 is not necessarily circular, and thus the size thereof may be changed, but is not limited to a circular diameter, and a rubber pad 25 is generally provided on the inner or outer surface of the movable arm 22 to increase friction with the tower.
In a preferred embodiment, the annular base 2 is further provided with a lifting ring 11, and the lifting ring 11 is used for enabling the annular base to move up and down along the tower 200 and simultaneously driving the cleaning chain 1 to move so as to realize cleaning, and can be seen in fig. 1, and the lifting ring is lifted by a rope so as to realize movement.
As shown in fig. 7, the cleaning device 6 is described below, and the cleaning device 6 includes: the brush plates 61 provided at both ends of each first rod 51 and the cleaning nozzles 62 provided on each second rod 52, each cleaning nozzle 62 is connected to the water tank 64 provided on the annular base 2 through the pipe 63, each brush plate 61 is rotatably connected to the first rod 51 through the motor 65, and each brush plate 61 is driven to rotate, thereby cleaning the cylinder 100.
When the device works, firstly, the cabin cable 201 on the fan is controlled to pull the device to be cleaned, the diameter of the telescopic ring 4 is adjusted through the screw rod 21 and the tensioning structure 9 to adapt to the diameter of the tower barrel 200, then the cleaning of the outer side surface of the tower barrel 200 is completed through the rotation of the brush disc 61 and the cleaning nozzle 62, and after one layer of cleaning is completed, the cabin cable 201 pulls the device to move upwards to continue the cleaning work.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The fan tower cleaning equipment with the variable cleaning radius is characterized by comprising a cleaning chain and an annular base, wherein the cleaning chain is connected with the annular base through a connecting frame; the cleaning chain is provided with a telescopic ring and a cleaning device arranged on the telescopic ring, the telescopic ring is formed by connecting a plurality of scissor sets end to form an annular structure, and the telescopic ring is used for changing the diameter of the cleaning chain;
Each of the scissor sets includes a first bar and a second bar that are cross-hinged, and a third bar and a fourth bar that are cross-hinged; one end of the first rod is connected with one end of the third rod, and one end of the second rod is connected with one end of the fourth rod;
The other end of the first rod in each scissor group is connected with the other end of the third rod in the adjacent scissor group;
The other end of the second rod in each scissor group is connected with the other end of the fourth rod in the adjacent scissor group;
Taking the joint of the first rod and the second rod which are in cross joint as a first joint, taking the joint of the third rod and the fourth rod which are in cross joint as a second joint, and arranging a tensioning structure between at least the first joint and the second joint of one of the scissor sets for shrinking the telescopic ring;
the tensioning structure comprises a first bracket, a guide rail is arranged on the first bracket, two sliding blocks are respectively and slidably arranged on the guide rail, and the two sliding blocks are respectively connected with the first hinge point and the second hinge point; the elastic mechanism is arranged between the two sliding blocks and/or between the sliding blocks and the first bracket;
The annular base comprises two lead screws and two moving arms, wherein the two lead screws are oppositely arranged, the two moving arms are oppositely arranged, and the lead screws and the moving arms are connected at intervals to form an annular shape; the end parts of the two lead screws are provided with lead screw nuts which are connected with the end parts of the movable arms, and the two lead screws are also provided with motors for driving the lead screws to move.
2. The variable cleaning radius fan tower cleaning apparatus of claim 1, wherein the connection frame includes a second bracket disposed on the annular base, the second bracket being hinged to the first bracket by a swing arm.
3. The variable cleaning radius fan tower cleaning apparatus of claim 1, wherein the cleaning device includes brush discs disposed at both ends of each of the first bars and cleaning nozzles disposed on each of the second bars, each of the cleaning nozzles being connected to a water tank disposed on the annular base through a pipe, each of the brush discs being rotatably connected to the first bars through a motor.
4. The variable cleaning radius fan tower cleaning apparatus of claim 1, wherein both ends of each of the first bars and both ends of each of the second bars are hinged to both ends of each of the third bars and each of the fourth bars by ball hinges.
5. A variable cleaning radius fan tower cleaning apparatus according to any of claims 1-4, wherein a plurality of lifting loops are provided on the annular base.
6. The variable cleaning radius fan tower cleaning apparatus of any of claims 1-4, wherein a plurality of uniformly distributed stop rollers are disposed on the cleaning chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147413.8A CN106640553B (en) | 2016-12-13 | 2016-12-13 | Fan tower section of thick bamboo cleaning equipment of variable cleaning radius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147413.8A CN106640553B (en) | 2016-12-13 | 2016-12-13 | Fan tower section of thick bamboo cleaning equipment of variable cleaning radius |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640553A CN106640553A (en) | 2017-05-10 |
| CN106640553B true CN106640553B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611147413.8A Active CN106640553B (en) | 2016-12-13 | 2016-12-13 | Fan tower section of thick bamboo cleaning equipment of variable cleaning radius |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044387B (en) * | 2017-06-21 | 2019-06-25 | 江苏未来智慧信息科技有限公司 | A kind of wind generator system with cleaning function |
| CN108533459A (en) * | 2018-03-29 | 2018-09-14 | 深圳市奈士迪技术研发有限公司 | A kind of intelligence with cleaning function adjusts the wind-driven generator of angle |
| CN108547741B (en) * | 2018-04-03 | 2021-02-09 | 国网湖北省电力有限公司随州供电公司 | Wind power generation device convenient for operating and installing by workers |
| CN109026566B (en) * | 2018-08-16 | 2024-05-31 | 上海机器人产业技术研究院有限公司 | Automatic cleaning device for wind power generation tower drum |
| CN109695549B (en) * | 2019-02-18 | 2020-10-09 | 西安文理学院 | Automatic cleaning device and cleaning method for tower barrel |
| CN110273820B (en) * | 2019-06-24 | 2020-12-08 | 南京河海南自水电自动化有限公司 | Wind driven generator blade cleaning equipment for power generation equipment |
| CN110206697A (en) * | 2019-07-05 | 2019-09-06 | 湖南城市学院 | A kind of wind generator set blade cleaning equipment |
| CN111156138B (en) * | 2020-01-12 | 2021-03-12 | 傅洁 | Automatic cleaning device for wind power generation tower cylinder |
| CN112535156B (en) * | 2020-12-07 | 2023-01-24 | 浙江海洋大学 | Fishing net opening and closing device, fishing device and fishing net control method |
| CN116810139B (en) * | 2023-08-07 | 2024-02-27 | 苏州艾航激光科技有限公司 | Lifting type laser engraving equipment |
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| CN206329457U (en) * | 2016-12-13 | 2017-07-14 | 北京时代天工科技发展有限公司 | A kind of blower fan tower barrel cleaning equipment of variable cleaning radius |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8347900B2 (en) * | 2011-04-05 | 2013-01-08 | Jensen dustin | Wind turbine fluid application apparatus |
| KR101225691B1 (en) * | 2011-09-02 | 2013-01-23 | 삼성중공업 주식회사 | Maintenance robot for wind power generator |
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|---|---|---|---|---|
| CN103042010A (en) * | 2013-01-07 | 2013-04-17 | 浙江大学 | Automatic pipeline cleaner and application method thereof |
| CN106075932A (en) * | 2015-04-30 | 2016-11-09 | 株式会社不二宫制作所 | Variable area framework and variable volume D structure thing and meccano |
| CN206329457U (en) * | 2016-12-13 | 2017-07-14 | 北京时代天工科技发展有限公司 | A kind of blower fan tower barrel cleaning equipment of variable cleaning radius |
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| CN106640553A (en) | 2017-05-10 |
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