CN114056527A - Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail - Google Patents
Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail Download PDFInfo
- Publication number
- CN114056527A CN114056527A CN202210046421.2A CN202210046421A CN114056527A CN 114056527 A CN114056527 A CN 114056527A CN 202210046421 A CN202210046421 A CN 202210046421A CN 114056527 A CN114056527 A CN 114056527A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- positioning
- sail
- rotary
- outer 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H9/00—Marine propulsion provided directly by wind power
- B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
- B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Wind Motors (AREA)
- Actuator (AREA)
Abstract
The invention discloses a positioning mechanism of an inner cylinder and an outer cylinder of a rotary cylinder sail and the rotary cylinder sail, wherein the positioning mechanism of the inner cylinder and the outer cylinder of the rotary cylinder sail comprises a positioning wheel which is driven to horizontally swing around a positioning shaft and a track which is correspondingly arranged on the inner wall of the outer cylinder and is in sliding connection with the positioning wheel; the positioning shaft is fixed relative to the inner cylinder, the positioning wheel is ejected out of or retracted into a through hole of the inner cylinder when swinging so as to switch between an ejecting positioning station and an avoiding mounting station, the positioning device has the advantages that the structure is simple, the inner cylinder and the outer cylinder of the rotary sail can be positioned through the matching of the positioning wheel and the rail, the outer cylinder can be elastically supported under the action of the cylinder when the rotary sail is subjected to extreme severe conditions and the outer cylinder shakes, the inclination process of the outer cylinder is slowed down, the output end of the cylinder is always in an ejecting state, the outer cylinder of the rotary sail can be supported and fixed through the supporting arms and the positioning wheel, the outer cylinder can be prevented from shaking greatly when the outer cylinder rotates, and the rotary sail can be kept stable in the working process.
Description
Technical Field
The invention relates to the technical field of a rotary sail, in particular to a positioning mechanism for an inner cylinder and an outer cylinder of the rotary sail and the rotary sail.
Background
In the prior art, in international trade around the world, about 90% of goods are transported by ships at sea, but the ships generate carbon dioxide by burning fuel oil, the global climate is continuously influenced by the emission of the carbon dioxide, and under the background, laws and regulations for ship environmental protection are continuously perfected, and the international oil price is continuously increased, so that the transportation cost is increased, therefore, the ships need to save energy and reduce emission, and wind energy is taken as clean energy with wide distribution and sufficient resources, is more suitable for the ships to use, so that the research and utilization of the wind energy is most abundant in the ship industry at present. The wind energy device can be mainly divided into a traditional wing sail, a walker sail, a rotary sail and the like, the rotary sail is used as a common wind energy device, energy consumption can be reduced when the rotary sail is used, but when the conventional rotary sail is used for wind energy, the conventional rotary sail is poor in stability and easy to shake under the action of wind, and the wind energy utilization rate is reduced.
The application numbers are: 202010414218.7 discloses a lifting rotary-drum sail device, which comprises a support assembly, a scissor-type lifting assembly and a sail assembly, wherein the sail assembly and the scissor-type lifting assembly are both arranged on the support assembly, the scissor-type lifting assembly is positioned in the sail assembly, the sail assembly comprises an outer cylinder, a first inner cylinder, a second inner cylinder, a deflection assembly and two groups of guide assemblies, the scissor-type lifting assembly comprises a lifting plate, a bearing plate, an electric cylinder, two groups of first supporting rods and two groups of second supporting rods, the two groups of guide assemblies comprise two groups of sliding blocks and two groups of sliding grooves, the support assembly comprises a fixing plate, a supporting shaft and a power assembly. However, the lifting rotary sail device is complex in structure, the inner cylinder and the outer cylinder of the lifting rotary sail device are positioned by adopting a traditional special bearing, the bearing applied to the rotary sail is high in price, the required assembly precision is high in the installation process, the assembly and disassembly are difficult, and the practicability is poor.
Disclosure of Invention
The invention aims to provide a positioning mechanism for an inner cylinder and an outer cylinder of a rotary cylinder sail and the rotary cylinder sail.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a positioning mechanism for an inner cylinder and an outer cylinder of a rotary sail comprises a plurality of groups of positioning wheels which are driven to horizontally swing around a positioning shaft, and rails which are correspondingly arranged on the inner wall of the outer cylinder and are in sliding connection with the positioning wheels.
The positioning shaft is fixed relative to the inner cylinder, and the positioning wheel is ejected out or retracted from the through hole of the inner cylinder when swinging so as to switch between an ejecting positioning station and an avoiding installation station.
Each group of positioning wheels comprises rollers which correspond to the same cylinder and are arranged in pairs, the rollers are fixedly connected with the extending ends of the cylinders through supporting arms, and the supporting arms are fixedly connected with the extending ends of the cylinders to horizontally rotate.
The support arm include set up the linking arm at same cylinder output in pairs, the linking arm is the L type, the outer end of two linking arms is connected with the locating wheel through the axis of rotation, its inner end respectively with the locating shaft with the cylinder stretch out end fixed connection.
The adjacent ends of the connecting arms arranged in pairs are hinged at the output end of the same cylinder.
The connecting arms are hinged with the extending ends of the air cylinders through the sliding grooves.
The middle part of the outer side of the positioning wheel is provided with a groove corresponding to the rail ring, and the groove of the positioning wheel is clamped on the inner side of the rail.
Wear-resistant strips are arranged in the grooves of the positioning wheels.
The cylinder pass through spud pile and basement fixed connection, the cylinder through the fixing base with spud pile fixed connection.
The rotary sail comprises an outer cylinder, an inner cylinder and a positioning mechanism of the rotary sail inner cylinder and the outer cylinder, wherein the positioning mechanism of the rotary sail inner cylinder and the positioning mechanism of the rotary sail outer cylinder are used for positioning the outer cylinder.
The invention has the beneficial effects that:
the structure is simple, the positioning wheel is matched with the track, the inner barrel and the outer barrel of the rotary sail can be positioned, under the action of the cylinder, when the rotary sail is in extremely severe conditions and the outer barrel shakes, the cylinder in the ejection state is used for elastically supporting the outer barrel, the tilting process of the outer barrel is slowed down, the phenomenon that the outer barrel is rigidly damaged is avoided, after the severe conditions disappear, the outer barrel of the rotary sail is reset and corrected, the outer barrel of the rotary sail is supported and fixed through the supporting arm and the positioning wheel, the outer barrel can be prevented from shaking greatly when the outer barrel rotates, the working process of the rotary sail is kept stable, the practicability is strong, the positioning mechanism is composed of multiple groups of cylinders which are uniformly distributed, the supporting arm and the positioning wheel, and each group of cylinders can be independently controlled, and a certain part can be maintained and replaced pertinently, is convenient for disassembly and assembly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the positioning shaft of the present invention connected to the inner cylinder via the connecting seat;
fig. 3 is a schematic view of the present invention in use.
In the figure: 1. an outer cylinder; 2. an inner barrel; 3. positioning wheels; 4. a track; 5. a cylinder; 6. a support arm; 7. positioning the shaft; 8. fixing the pile; 9. a fixed seat; 10. a connecting seat.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings,
a positioning mechanism for an inner cylinder and an outer cylinder of a rotary sail comprises a plurality of groups of positioning wheels 3 which are driven to horizontally swing around a positioning shaft 7, and rails 4 which are correspondingly arranged on the inner wall of the outer cylinder 1 and are in sliding connection with the positioning wheels 3; the positioning shaft 7 is fixed relative to the inner cylinder 2, the positioning wheel 3 is ejected out or retracted from the through hole of the inner cylinder 2 when swinging so as to switch between an ejecting positioning station and an avoiding installation station, and the overall structural schematic diagram of the invention is shown in figure 1.
Every group locating wheel 3 is including corresponding the gyro wheel that same cylinder 5 set up in pairs, and the gyro wheel is through the end fixed connection that stretches out of support arm 6 and cylinder 5, and support arm 6 and cylinder 5 stretch out end fixed connection in order to realize its horizontal rotation.
Wherein, through support arm 6 and two gyro wheels of same cylinder 5 stretching out end fixed connection be a set of locating wheel 3, cylinder 5 is used for providing the location support for urceolus 1 through support arm 6 and locating wheel 3, support arm 6 is through the output fixed connection of reset joint with cylinder 5, reset joint is three way connection, three way connection is the transition piece that cylinder 5 and two support arms 6 that correspond are connected, support arm 6 is used for being connected and provide the installation support for locating wheel 3 with reset joint and locating wheel 3.
The support arm 6 is including setting up the linking arm at same cylinder 5 output in pairs, and the linking arm is the L type, and the outer end of two linking arms is passed through the axis of rotation and is connected with locating wheel 3, its inner end respectively with locating shaft 7 and cylinder 5 stretch out end fixed connection, the one end that the linking arm that sets up in pairs is adjacent articulates at same cylinder 5's output.
Wherein, the definition of inner end and outer end is: the inner cylinder 2 is used as a base point and is divergently arranged from inside to outside towards the periphery of the outer cylinder 1, two L-shaped connecting arms arranged at the output end of the same cylinder 5 jointly form a supporting arm, one side of the inner end of each connecting arm is hinged with a positioning shaft 7, the other side of the inner end of each connecting arm is hinged with an extending end of the cylinder 5, the L-shaped connecting arms meet the swinging requirement, a force receiving arm is added relative to the linear connecting arms, the impact on the cylinder 5 can be reduced, the positioning shaft 7 and a base or the inner cylinder 2 are fixed through a connecting seat 10, and the position of the positioning shaft 7 is fixed relative to the inner cylinder 2.
The one end that two linking arms and cylinder 5 are connected is equipped with the spout, and the linking arm passes through the spout and articulates with the end that stretches out of cylinder 5, and when the inner wall of urceolus 1 contacted locating wheel 3, the linking arm slided with the removal of cylinder 5 articulated one end along with corresponding locating wheel 3 through the spout.
Wherein, support arm 6 is used for connecting adjacent positioning wheel 3, two adjacent linking arms articulate the end that stretches out at same cylinder 5, location axle 7 is used for fixing a position support arm 6, the position that makes the junction of two linking arms in support arm 6 can be the basement relatively is fixed, thereby guarantee that the position of two linking arm junctions is not influenced by external factors, the spout is for dodging the groove, it sets up the junction at two linking arms and same cylinder 5, when the slope appears in urceolus 1, certain swing is carried out to two linking arm accessible spouts, can provide the buffering to linking arm and cylinder 5 junction when the slope appears in urceolus 1 in extreme weather when being used for providing the space for the action of support arm 6.
The middle part of the outer side of the positioning wheel 3 is provided with a groove corresponding to the ring of the track 4, the groove of the positioning wheel 3 is clamped on the inner side of the track 4, a wear-resistant strip is arranged in the groove of the outer side of the positioning wheel 3, and the positioning wheel 3 is abutted to the track 4 arranged on the inner wall of the outer barrel 1 through the wear-resistant strip.
Wherein the wear-resistant strip is used for improving the wear resistance of the positioning wheel 3
The cylinder 5 is fixedly connected with the substrate through a fixing pile 8, the cylinder 5 is fixedly connected with the fixing pile 8 through a fixing seat 9, wherein the fixing pile 8 is used for providing mounting support for the fixing seat 9, the fixing seat 9 is used for providing fixing support for the cylinder 5, and the cylinder can be directly mounted on the fixing pile 8 according to actual conditions.
A rotary sail comprises an outer cylinder 1, an inner cylinder 2 and positioning mechanisms of the inner cylinder and the outer cylinder of the rotary sail, wherein the positioning mechanisms of the inner cylinder and the outer cylinder of the rotary sail are used for positioning the outer cylinder 1.
Wherein, the installation mode is determined according to the use condition.
The supporting arm 6 is preferably an L-shaped integrated connecting arm, and can be spliced and replaced by two linear connecting arms.
Wherein, locating wheel 3, cylinder 5, support arm 6, location axle 7 and fixing base 9 all can increase according to the in-service use demand and establish or subtract and establish.
The working principle is as follows:
when the outer barrel 1 of the rotary barrel sail is installed, the positioning mechanism is arranged inside the inner barrel 2, the output end of the air cylinder 5 is in a retraction state, the positioning wheel 3 is ensured to be positioned inside the inner barrel 2, the positioning wheel 3 is arranged corresponding to the opening on the inner barrel 2, the positioning wheel 3 is positioned at an avoidance installation station at the moment, when the outer barrel 1 is installed in place, the output end of the air cylinder 5 drives the positioning wheel 3 to eject out through the opening on the inner barrel 2 and is in sliding clamping connection with the rail 4 arranged on the inner wall of the outer barrel 1, the positioning wheel 3 is positioned at a propping positioning station at the moment to complete the installation of the outer barrel 1, when the outer barrel 1 needs to be disassembled and assembled, the air cylinder 5 drives the positioning wheel 3 to retract to the avoidance installation station through the opening on the inner barrel 2 so as to meet the disassembling and assembling conditions of the outer barrel 1, the rotary barrel sail utilizes wind energy through rotary motion during work, the outer barrel 1 rotates around the inner barrel 2 during work, the inner cylinder 2 is kept still, the output end of the cylinder 5 is always in an ejection state, the positioning wheel 3 extends out of an opening formed in the inner cylinder 2 and is in sliding clamping connection with a rail 4 formed in the inner wall of the outer cylinder 1, when the rotary cylinder sail works normally, the outer cylinder 1 rotates, the positioning wheel 3 provides positioning support and guide for the outer cylinder 1 through the rail 4, the rotary cylinder sail is kept in a stable state as a whole, when the outer cylinder 1 of the rotary cylinder sail shakes under the extremely severe conditions, the outer cylinder 1 contacts the positioning wheel 3 through the rail 4 formed in the inner wall of the outer cylinder 1, the part, in contact with the rail 4 formed in the inner wall of the outer cylinder 1, of the positioning wheel 3 retracts towards the inner side of the inner cylinder 2, the supporting arm 6 corresponding to the positioning wheel 3 rotates for a certain angle by taking the positioning shaft 7 as the center, meanwhile, the positioning wheel 3 drives the output end of the corresponding cylinder 5 to compress through the supporting arm 6, the cylinder 5 provides support for the outer cylinder 1 of the rotary cylinder sail through the supporting arm 6 and the positioning wheel 3 under the effects of the fixing pile 8 and the fixing seat 9, and under the ejecting effect of the output of cylinder 5, positioning wheel 3 can follow urceolus 1 of revolving sail and carry out the slow back that contracts, avoid revolving sail damage to appear, if abominable condition in the short time is eliminated, the urceolus 1 of revolving sail resets and corrects, can accomplish and reset, if abominable condition can not eliminate in long-time, make revolving sail stop work, after the urceolus 1 of revolving sail rocks and resets, the output of cylinder 5 keeps the release state, and cooperation support arm 6 and positioning wheel 3 pass through track 4 and the urceolus 1 sliding connection of revolving sail, thereby play and support and fixed effect to the urceolus 1 of revolving sail, and under the ejecting state of cylinder 5, can avoid the risk of the rigid connection of traditional revolving sail through its elastic support structure.
The invention has the advantages of simple structure, matching of the positioning wheel and the track, positioning of the inner cylinder and the outer cylinder of the rotary sail, under the action of the cylinder, when the rotary sail is in extremely severe conditions and the outer cylinder shakes, elastic support of the outer cylinder by the cylinder in the ejection state, slowing of the inclination process of the outer cylinder, avoiding rigid damage of the outer cylinder, resetting and correcting the outer cylinder of the rotary sail after the severe conditions disappear, supporting and fixing functions of the outer cylinder of the rotary sail through the supporting arm and the positioning wheel, preventing the outer cylinder from shaking greatly when the outer cylinder rotates, keeping the rotary sail stable in the working process, strong practicability, a positioning mechanism consisting of a plurality of groups of cylinders, supporting arms and positioning wheels which are uniformly distributed, and each group of cylinders can be independently controlled, and maintenance and replacement of a certain part can be pertinently carried out, is convenient for disassembly and assembly.
While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A positioning mechanism for an inner cylinder and an outer cylinder of a rotary sail is characterized by comprising a plurality of groups of positioning wheels (3) which are driven by a cylinder (5) and can horizontally swing around a positioning shaft (7), and rails (4) which are correspondingly arranged on the inner wall of the outer cylinder (1) and are in sliding connection with the positioning wheels (3);
the positioning shaft (7) is fixed relative to the inner cylinder (2), and the positioning wheel (3) is ejected out of or retracted into a through hole of the inner cylinder (2) during swinging so as to switch between an ejecting positioning station and an avoiding installation station.
2. The positioning mechanism of the inner cylinder and the outer cylinder of the spinning sail as claimed in claim 1, characterized in that each set of positioning wheels (3) comprises rollers which are arranged in pairs corresponding to the same cylinder (5), the rollers are fixedly connected with the extending end of the cylinder (5) through a supporting arm (6), and the supporting arm (6) is fixedly connected with the extending end of the cylinder (5) to realize the horizontal rotation.
3. The mechanism for positioning the inner and outer cylinders of a spinning sail according to claim 2, characterized in that the support arms (6) comprise connection arms arranged in pairs at the output end of the same cylinder (5), the connection arms are L-shaped, the outer ends of the two connection arms are connected with the positioning wheel (3) through a rotation shaft, and the inner ends are fixedly connected with the positioning shaft (7) and the extending end of the cylinder (5), respectively.
4. A positioning mechanism for the inner and outer cylinders of a spinning sail, as claimed in claim 3, characterized in that the adjacent ends of the pairs of connecting arms are hinged at the output end of the same cylinder (5).
5. The positioning mechanism of the inner cylinder and the outer cylinder of the rotary sail as claimed in claim 4, wherein the end of the two connecting arms connected with the cylinder (5) is provided with a sliding slot, and the connecting arms are hinged with the extending end of the cylinder (5) through the sliding slot.
6. The positioning mechanism of the inner cylinder and the outer cylinder of the rotary sail as claimed in claim 1, wherein the middle part of the outer side of the positioning wheel (3) is provided with a groove corresponding to the rail (4) in a ring manner, and the groove of the positioning wheel (3) is clamped at the inner side of the rail (4).
7. The positioning mechanism of the inner cylinder and the outer cylinder of the rotary sail as claimed in claim 6, characterized in that the groove of the positioning wheel (3) is provided with a wear-resistant strip.
8. A positioning mechanism for an inner cylinder and an outer cylinder of a spinning sail as claimed in claim 1, characterized in that the cylinder (5) is fixedly connected with the base through a fixing pile (8), and the cylinder (5) is fixedly connected with the fixing pile (8) through a fixing seat (9).
9. A sail with spinning cylinders, comprising an outer cylinder (1) and an inner cylinder (2), characterized by further comprising the positioning mechanism of the inner and outer cylinders of the sail with spinning cylinders according to any one of claims 1 to 8, wherein the positioning mechanism of the inner and outer cylinders of the sail with spinning cylinders is used for positioning the outer cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210046421.2A CN114056527B (en) | 2022-01-17 | 2022-01-17 | Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210046421.2A CN114056527B (en) | 2022-01-17 | 2022-01-17 | Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114056527A true CN114056527A (en) | 2022-02-18 |
| CN114056527B CN114056527B (en) | 2022-04-19 |
Family
ID=80231016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210046421.2A Active CN114056527B (en) | 2022-01-17 | 2022-01-17 | Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114056527B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124591A (en) * | 1983-12-07 | 1985-07-03 | Nippon Kokan Kk <Nkk> | Sail device with rotor |
| DE102006034873A1 (en) * | 2006-07-25 | 2008-02-07 | Heinz Sause | Rotor sail for ship, has surface with bulged profile, where final shape of sail corresponds to row of tori or vehicle tire tubes, which are stacked on top of each other, and number and height of tori are optimized by wind-channel test |
| CN209023000U (en) * | 2018-10-11 | 2019-06-25 | 中国科学院深海科学与工程研究所 | Wheel carries out deformation mechanism, running gear and vehicle |
| CN111470017A (en) * | 2020-03-21 | 2020-07-31 | 来安县祥瑞机电科技有限责任公司 | Diameter-adjustable rotary-drum sail device based on ocean energy and use method thereof |
| CN211167356U (en) * | 2019-10-25 | 2020-08-04 | 叠风新能源科技(天津)有限公司 | Rotary drum sail device |
| CN113772069A (en) * | 2021-09-15 | 2021-12-10 | 武汉理工大学 | Sail navigation aid equipment with adjustable cross-sectional geometric characteristics |
| CN215436885U (en) * | 2021-09-01 | 2022-01-07 | 叠风新能源科技(天津)有限公司 | Adjustable pulley block device |
-
2022
- 2022-01-17 CN CN202210046421.2A patent/CN114056527B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124591A (en) * | 1983-12-07 | 1985-07-03 | Nippon Kokan Kk <Nkk> | Sail device with rotor |
| DE102006034873A1 (en) * | 2006-07-25 | 2008-02-07 | Heinz Sause | Rotor sail for ship, has surface with bulged profile, where final shape of sail corresponds to row of tori or vehicle tire tubes, which are stacked on top of each other, and number and height of tori are optimized by wind-channel test |
| CN209023000U (en) * | 2018-10-11 | 2019-06-25 | 中国科学院深海科学与工程研究所 | Wheel carries out deformation mechanism, running gear and vehicle |
| CN211167356U (en) * | 2019-10-25 | 2020-08-04 | 叠风新能源科技(天津)有限公司 | Rotary drum sail device |
| CN111470017A (en) * | 2020-03-21 | 2020-07-31 | 来安县祥瑞机电科技有限责任公司 | Diameter-adjustable rotary-drum sail device based on ocean energy and use method thereof |
| CN215436885U (en) * | 2021-09-01 | 2022-01-07 | 叠风新能源科技(天津)有限公司 | Adjustable pulley block device |
| CN113772069A (en) * | 2021-09-15 | 2021-12-10 | 武汉理工大学 | Sail navigation aid equipment with adjustable cross-sectional geometric characteristics |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114056527B (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019100909A1 (en) | Overall horizontal preloading-boarding system for offshore wind turbine and preloading-boarding method | |
| CN114056527B (en) | Positioning mechanism for inner cylinder and outer cylinder of rotary sail and rotary sail | |
| CN109676580A (en) | Rail mounted crusing robot | |
| CN113982861B (en) | Rotation detection device for large-scale wind turbine generator | |
| CN203864522U (en) | Mechanism for locking lifting transportation device of blades of wind driven generator | |
| CN201023647Y (en) | Rocking arm type transmission device for flap type rudder | |
| CN214124087U (en) | Broadband dual-polarized foldable antenna | |
| CN114212705A (en) | Walking type hoisting equipment for railway rescue | |
| CN110144851B (en) | Rotary high-strength rubber fender | |
| CN212483847U (en) | Low-small slow tracking integrated equipment based on radar and photoelectric technology | |
| CN208409985U (en) | Automate cutting machine | |
| CN210391481U (en) | Roller knife chain stopper | |
| CN220571415U (en) | Novel bird pest-preventing bird repellent device | |
| CN117108876A (en) | Monitoring device applied to ship shore power | |
| CN220165267U (en) | Guide screening plant | |
| CN218187874U (en) | Remote control model airplane with landing buffer device | |
| CN218598159U (en) | Adjustable protection assembly for drill carriage | |
| CN213981271U (en) | Roof fan hood structure | |
| CN205034303U (en) | Full -automatic clear cleaning float -garbage ship of formula of unloading before preceding receipts | |
| CN217537106U (en) | Thrust wheel for bulldozer | |
| CN217866334U (en) | Comb type carrier roller spacer sleeve for slag extractor | |
| CN221294984U (en) | Belt conveyor roller inspection system | |
| CN117526841B (en) | Unmanned aerial vehicle-based solar photovoltaic panel cleaning system | |
| CN221238919U (en) | Atmospheric pollution monitoring device | |
| CN2344577Y (en) | Inline wind motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |