CN205221071U - Two boats that push away of manpower - Google Patents
Two boats that push away of manpower Download PDFInfo
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- CN205221071U CN205221071U CN201521085655.XU CN201521085655U CN205221071U CN 205221071 U CN205221071 U CN 205221071U CN 201521085655 U CN201521085655 U CN 201521085655U CN 205221071 U CN205221071 U CN 205221071U
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- ring plate
- plate blade
- propelling unit
- shell
- manpower
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Abstract
The utility model provides a two boats that push away of manpower, belongs to boats and ships technical field, including hull, zuoren power device, right manpower device, left propeller and right propeller. Zuoren power device and the installation of right manpower device structure symmetry. Right side manpower device includes power input device and power transfer device. The power of right side manpower device passes through power transfer device and transmits for right propeller. Power transfer device includes and still includes synchronous belt drive device or chain drive unit by the gear train. Left side propeller is the same with the right propeller structure, and their symmetries are installed in the left and right sides of hull. Right propeller includes main shaft, carousel, annular flat plate blade, traction lever, locating lever and shell. Left side propeller and right propeller link to each other with zuoren power device and right manpower device respectively. Zuoren power device and right manpower device be the independent operation respectively. Left side propeller and right propeller working energy produce similar insect " anxious opening " and " sumo " motion effect, and energy loss is little for this ship, and is efficient, flexible, and the blade is easily makeed.
Description
Technical field
A kind of manpower is two pushes away canoe, belongs to technical field of ships, especially relates to a kind of manpower ship.
Background technology
The propelling unit of tradition boats and ships adopts screw propeller mostly, although drive conveniently, efficiency is lower, and blade manufacturing process is complicated, can produce tail during use; Traditional manpower ship much adopts paddlewheel propulsion device, exists and clap water phenomenon during use, and spray is comparatively large, and water resistance is comparatively large and thrust that is that produce is very little after blade is just intake and before water outlet, and degradation of energy is large, and efficiency is lower, and noise is large.Authorization Notice No. is the patent of CN100360378C, discloses a kind of biotic plate propoller ship, though efficiency is higher, structure is more complicated.
Summary of the invention
The object of the invention is the deficiency overcoming traditional marine technology, invent the higher labour-saving manpower of a kind of efficiency pair and push away canoe.
A kind of manpower is two pushes away canoe, comprises hull, Zuoren power apparatus, right human powered device, left propelling unit and right propelling unit.Zuoren power apparatus and symmetry identical with right human powered device's structure is installed on the left and right sides of the longitudinal plane of symmetry of hull.Right human powered device comprises power input device and torque transfer, and power input device adopts cranker mechanism, and the handgrip position of cranker mechanism is provided with a quill, in order to avoid rotate for a long time and hinder hand.The power of right human powered device passes to right propelling unit by torque transfer.Torque transfer comprises gear cluster, also comprises synchronous belt transmission device or chain gearing.Gear cluster comprises driving gear and driven gear.When adopting synchronous belt transmission device, synchronous belt transmission device comprises active synchronization wheel, Timing Belt and driven synchronizing wheel; The driven gear of gear cluster is taken turns coaxial with the active synchronization of synchronous belt transmission device; The driven synchronizing wheel of synchronous belt transmission device utilizes right angle of rake main shaft as rotating shaft.When adopting chain gearing, chain gearing comprises drive sprocket, chain and driven sprocket; The driven gear of gear cluster is coaxial with the drive sprocket of chain gearing; The driven sprocket of chain gearing utilizes right angle of rake main shaft as rotating shaft.Left propelling unit is identical with right propeller structure, and their symmetries are installed on the left and right sides of hull, and left propelling unit is connected with right side wall with the left side wall of hull with right support respectively by left socle with right propelling unit.Left propelling unit is connected with Zuoren power apparatus, and right propelling unit is connected with right human powered device.Zuoren power apparatus and right human powered device are respectively by left hand and the right hand independent operation of people.
Right angle of rake concrete structure is: comprise main shaft, rotating disk, ring plate blade, draw bar, radius stay and shell.Ring plate blade comprises the identical arc body at the two ends flat board identical with two pieces of stage casing.The ratio of the height to width ratio of ring plate blade is between 1 ~ 3.Gap between two pieces of flat boards of ring plate blade is a bit larger tham the diameter sum of radius stay and draw bar, and the height of radius stay is greater than 3/5ths of the height of ring plate blade, and the height of draw bar is greater than 3/5ths of the height of ring plate blade.Shell comprises left side board, base plate and right side board, and left side board and right side board are all longitudinally vertically arranged, floor level is arranged.Radius stay be in the fore-and-aft direction of shell middle part and near left side board place on the base plate being installed on shell; radius stay is vertically arranged; gap between radius stay and left side board is a bit larger tham the thickness sum of the diameter of draw bar and the one flat plate of ring plate blade, and the gap between radius stay and left side board can guarantee that ring plate blade makes half circular motion in the enclosure neatly.Ring plate blade suit on the securing lever, and is positioned at enclosure, and ring plate blade is vertical with the base plate of shell.Rotating disk horizontal arrangement, in the top of plate shaped blade, rotating disk is provided with guide rail, slide block and spring.Slide block coordinates with guide rail, and slide block can along slide.Spring housing is contained on guide rail, is in the inner side of slide block.The upper end of draw bar is fixedly mounted on the bottom of slide block, and draw bar is vertically arranged, the hypomere of draw bar inserts in ring plate blade.Main shaft is arranged on the center of rotating disk, and main shaft is vertically arranged in the top of rotating disk, and is arranged on right support by bearing.For reduce the bottom of ring plate blade and the base plate of shell when ring plate blade moves in shell upper surface between friction, the bottom of ring plate blade studs with antifriction ball, or overlap a wear-resisting flat shim on the securing lever, the upper surface that wear-resisting flat shim is positioned at the base plate of shell is padded on the bottom of ring plate blade; The density of ring plate blade is at 1000 ~ 2000kg/m
3between.For reducing the friction between draw bar and the inside face of radius stay and ring plate blade, the surrounding of draw bar and radius stay all studs with antifriction ball or needle roller, or is all set with cylinder or bearing around draw bar and radius stay.For the friction between the outside face of reduction ring plate blade and the right flank of the left side board of shell, the right flank of left side board studs with antifriction ball or needle roller.For making ring plate blade can as far as possible by the half circular motion of standard, above rotating disk, install a periphery be semi-round track, and track is fixed on right support, and directly over slide block, install a guide wheel, guide wheel rolls along the periphery of track.
It is produce beneficial effect like this that a kind of manpower of the present invention pair pushes away canoe: the people of operation is sitting on seat, Zuoren power apparatus and right human powered device is shaken respectively with left hand and the right hand, the power of Zuoren power apparatus and right human powered device is passed to left propelling unit and right propelling unit respectively, and left propelling unit and right propelling unit are worked respectively.Left propelling unit is identical with the angle of rake principle of work in the right side.Right propelling unit is work like this, originally, ring plate blade is in longitudinal front position, and namely the rear end inwall of ring plate blade is close to the trailing edge of radius stay, the front end of ring plate blade is in foremost, and the left surface of ring plate blade is near the right flank of the left side board of shell.Overlook right propelling unit from top to bottom, right hand conter clockwise shake cranker mechanism, power passes to main shaft by torque transfer, main shaft drives rotating disk clickwise, because draw bar is inserted in ring plate blade, slide block drives draw bar to make half circular motion, drive ring plate blade to make half circular motion in the enclosure simultaneously, namely ring plate blade arrives longitudinal rearmost position in longitudinal front position after radius stay rotates half cycle, then going straight ahead is to longitudinal front position, following ring plate blade rotates clockwise half cycle around radius stay again, then again going straight ahead to longitudinal front position, namely original position has been got back to.Next periodically continue to repeat said process.Like this, the water in front continuously can be introduced in shell and then draw rearward by ring plate blade, produces thrust forward.In motion process, ring plate blade is opened fast above and between the left side board of shell and later and close fast between left side board, create class insectival " anxious " and " sumo " movement effects, and due to the constraint of shell and rotating disk, ring plate blade moves in the enclosure and also creates mirror effect, can produce very large thrust forward.Left propelling unit its blade under the driving of Zuoren power apparatus makes conter clockwise half circular motion, also can produce very large thrust forward.Due to left propelling unit and right propelling unit independent operation, described manpower pair pushes away canoe and need not join yaw rudder, turns and steps back and can conveniently realize.Left propelling unit and right propelling unit one fast slowly motion can realize turning driving.The sense of motion changing blade can make described manpower pair push away canoe and step back traveling.If left propelling unit is identical with the blade movement direction of right propelling unit, original place can be realized and turn-take.Manpower of the present invention pair pushes away canoe and includes but not limited to following advantage: degradation of energy is little, and efficiency is high, maneuverability, and blade easily makes, and can not produce obvious tail as propeller vessel, also can not there is serious bat water phenomenon as traditional paddle steamer.
Accompanying drawing explanation
Fig. 1 is the two schematic top plan view pushing away canoe of a kind of manpower of the present invention; Fig. 2 is the schematic top plan view of the right human powered device be exaggerated; Fig. 3 is the schematic top plan view of Fig. 2; Fig. 4 is the angle of rake schematic rear view in the right side be exaggerated; Fig. 5 is the schematic top plan view of Fig. 4; Fig. 6 is the motion simplified schematic diagram of right angle of rake ring plate blade; Fig. 7 is right angle of rake guide rail and idler positions relation schematic diagram.
In figure, A-hull, A1-fore, A2-stern; The working direction instruction of B-ship; C-Zuoren power apparatus; The right human powered device of D-; The left propelling unit of E-; The right propelling unit of F-; G-seat; H-left socle; I-right support.1-main shaft, 2-rotating disk, 21-guide rail, 22-slide block, 23-spring, 25-dial rotation direction; 3-ring plate blade, 31-represents that annular plate blade is in front position, and 32-represents that annular plate blade is in horizontal position, and 33-represents that annular plate blade is in rearmost position, the rotation direction instruction of 34-ring plate blade; The direction that moves ahead of 35-ring plate blade; 4-draw bar; 5-radius stay, the wear-resisting flat shim of 51-; 6-shell, 61-left side board, 62-base plate, 63-right side board; 7-cranker mechanism, 71-quill, the rotation direction instruction of 72-cranker mechanism; 8-torque transfer, 81-gear cluster, 82-synchronous belt transmission device; 9-guide wheel, the sense of motion instruction of 91-guide wheel; 10-track.
Detailed description of the invention
Now by reference to the accompanying drawings the present invention is illustrated: a kind of manpower is two pushes away canoe, comprises hull A, Zuoren power apparatus C, right human powered device D, left propelling unit E and right propelling unit F.Zuoren power apparatus C and symmetry identical with right human powered device D structure is installed on the left and right sides of the longitudinal plane of symmetry of hull A.Right human powered device D comprises power input device and torque transfer 8, and power input device adopts cranker mechanism 7, and the handgrip position of cranker mechanism 7 is provided with a quill 71, in order to avoid rotate for a long time and hinder hand.The power of right human powered device D passes to right propelling unit F by torque transfer 8.Torque transfer 8 comprises gear cluster 81 and synchronous belt transmission device 82.Gear cluster 81 comprises driving gear and driven gear.Synchronous belt transmission device 82 comprises active synchronization wheel, Timing Belt and driven synchronizing wheel; The driven gear of gear cluster 81 is taken turns coaxial with the active synchronization of synchronous belt transmission device 82; The driven synchronizing wheel of synchronous belt transmission device 82 utilizes the main shaft 1 of right propelling unit F as rotating shaft.Left propelling unit E is identical with right propelling unit F structure, and their symmetries are installed on the left and right sides of hull A, and left propelling unit E is connected with right side wall with the left side wall of hull A with right support I respectively by left socle H with right propelling unit F.Left propelling unit E is connected with Zuoren power apparatus C, and right propelling unit F is connected with right human powered device D.Zuoren power apparatus C and right human powered device D is respectively by left hand and the right hand independent operation of people.
The concrete structure of right propelling unit F is: comprise main shaft 1, rotating disk 2, ring plate blade 3, draw bar 4, radius stay 5 and shell 6.Ring plate blade 3 comprises the identical arc body at the two ends flat board identical with two pieces of stage casing.The ratio of the height to width ratio of ring plate blade 3 is between 1 ~ 2.Gap between two pieces of flat boards of ring plate blade 3 is a bit larger tham radius stay 5 and the diameter sum both draw bar 4, the height of radius stay 5 is greater than 3/5ths of the height of ring plate blade 3, and the height of draw bar 4 is greater than 3/5ths of the height of ring plate blade 3.Shell 6 comprises left side board 61, base plate 62 and right side board 63, and left side board 61 and right side board 63 are all longitudinally vertically arranged, base plate 62 horizontal arrangement.Radius stay 5 be in the fore-and-aft direction of shell 6 middle part and near left side board 61 place on the base plate 62 being installed on shell 6; radius stay 5 is vertically arranged; gap between radius stay 5 and left side board 61 is a bit larger tham the thickness sum of the diameter of draw bar 4 and the one flat plate of ring plate blade 3, and the gap between radius stay 5 and left side board 61 can guarantee that ring plate blade 3 makes half circular motion neatly in shell 6.Ring plate blade 3 is sleeved on radius stay 5, and it is inner to be positioned at shell 6, and ring plate blade 3 is vertical with the base plate 62 of shell 6.Rotating disk 2 horizontal arrangement, in the top of plate shaped blade 3, rotating disk 2 is provided with guide rail 21, slide block 22 and spring 23.Slide block 22 coordinates with guide rail 21, and slide block 22 can slide along guide rail 21.Spring 23 is sleeved on guide rail 21, is in the inner side of slide block 22.The upper end of draw bar 4 is fixedly mounted on the bottom of slide block 22, and draw bar 4 is vertically arranged, the hypomere of draw bar 4 inserts in ring plate blade 3.Main shaft 1 is arranged on the center of rotating disk 2, and main shaft 1 is vertically arranged in the top of rotating disk 2, and is arranged on right support I by bearing.For reduce the bottom of ring plate blade 3 and the base plate 62 of shell 6 when ring plate blade 3 moves in shell 6 upper surface between friction, radius stay 5 overlaps a wear-resisting flat shim 51, the upper surface that wear-resisting flat shim 51 is positioned at the base plate 62 of shell 6 is padded on the bottom of ring plate blade 3; The density of ring plate blade 3 is at 1000 ~ 1300kg/m
3between.For reducing the friction between draw bar 4 and the inside face of radius stay 5 and ring plate blade 3, the surrounding of draw bar 4 and radius stay 5 all studs with antifriction ball or needle roller.For the friction between the outside face of reduction ring plate blade 3 and the right flank of the left side board 61 of shell 6, the right flank of left side board 61 studs with antifriction ball or needle roller.For making ring plate blade 3 can as far as possible by the half circular motion of standard, above rotating disk 2, install a periphery is semi-round track 10, track 10 is fixed on right support I, and directly over slide block 22, install a guide wheel 9, guide wheel 9 rolls along the periphery of track 10.
The two canoe that pushes away of described manpower is work like this: the people of operation is sitting on seat, Zuoren power apparatus C and right human powered device D is shaken respectively with left hand and the right hand, the power of Zuoren power apparatus C and right human powered device D is passed to left propelling unit E and right propelling unit F respectively, and left propelling unit E and right propelling unit F is worked respectively.Left propelling unit E is identical with the principle of work of right propelling unit F.Right propelling unit F is work like this, originally, ring plate blade 3 is in longitudinal front position, namely the rear end inwall of ring plate blade 3 is close to the trailing edge of radius stay 5, the front end of ring plate blade 3 is in foremost, and the left surface of ring plate blade 3 is near the right flank of the left side board 61 of shell 6.Overlook right propelling unit F from top to bottom, right hand conter clockwise shake cranker mechanism 7, power passes to main shaft 1 by torque transfer 8, main shaft 1 drives rotating disk 2 clickwise, because draw bar 4 is inserted in ring plate blade 3, slide block 22 drives draw bar 4 to make half circular motion, drive ring plate blade 3 to make half circular motion in shell 6 simultaneously, namely ring plate blade 3 arrives longitudinal rearmost position in longitudinal front position after radius stay 5 rotates half cycle, then going straight ahead is to longitudinal front position, following ring plate blade 3 rotates clockwise half cycle around radius stay 5 again, then again going straight ahead to longitudinal front position, namely original position has been got back to.Next periodically continue to repeat said process.Like this, the water in front continuously can be introduced in shell 6 and then draw rearward by ring plate blade 3, produces thrust forward.In motion process, ring plate blade 3 is opened fast above and between the left side board 61 of shell 6 and later and close fast between left side board 61, create class insectival " anxious " and " sumo " movement effects, and due to the constraint of shell 6 and rotating disk 2, ring plate blade 3 moves and also creates mirror effect in shell 6, can produce very large thrust forward.Left propelling unit E its blade under the driving of Zuoren power apparatus C makes conter clockwise half circular motion, also can produce very large thrust forward.Due to left propelling unit E and right propelling unit F independent operation, described manpower pair pushes away canoe and need not join yaw rudder, turns and steps back and can conveniently realize.Left propelling unit E and right propelling unit F mono-fast slowly motion can realize turning driving.The sense of motion changing blade can make described manpower pair push away canoe and step back traveling.If left propelling unit E is identical with the blade movement direction of right propelling unit F, original place can be realized and turn-take.Manpower of the present invention pair pushes away canoe and includes but not limited to following advantage: degradation of energy is little, and efficiency is high, maneuverability, and blade easily makes, and can not produce obvious tail as propeller vessel, also can not there is serious bat water phenomenon as traditional paddle steamer.
Claims (5)
1. manpower is two pushes away a canoe, it is characterized in that: comprise hull (A), Zuoren power apparatus (C), right human powered device (D), left propelling unit (E) and right propelling unit (F); Zuoren power apparatus (C) and symmetry identical with right human powered device (D) structure is installed on the left and right sides of hull (A) longitudinal plane of symmetry; Right human powered device (C) comprises power input device and torque transfer (8), and power input device adopts cranker mechanism (7), and the handgrip position of cranker mechanism (7) is provided with a quill (71); The power of right human powered device (D) passes to right propelling unit (F) by torque transfer (8); Torque transfer (8) comprises gear cluster (81), also comprises synchronous belt transmission device (82) or chain gearing; Gear cluster (81) comprises driving gear and driven gear; When adopting synchronous belt transmission device (82), synchronous belt transmission device (82) comprises active synchronization wheel, Timing Belt and driven synchronizing wheel; The driven gear of gear cluster (81) is taken turns coaxial with the active synchronization of synchronous belt transmission device (82); The driven synchronizing wheel of synchronous belt transmission device (82) utilizes the main shaft (1) of right propelling unit (F) as rotating shaft; When adopting chain gearing, chain gearing comprises drive sprocket, chain and driven sprocket; The driven gear of gear cluster is coaxial with the drive sprocket of chain gearing; The driven sprocket of chain gearing utilizes the main shaft (1) of right propelling unit (F) as rotating shaft; Left propelling unit (E) is identical with right propelling unit (F) structure, their symmetries are installed on the left and right sides of hull (A), and left propelling unit (E) is connected with right side wall with the left side wall of right support (I) with hull (A) respectively by left socle (H) with right propelling unit (F); Left propelling unit (E) is connected with Zuoren power apparatus (C), and right propelling unit (F) is connected with right human powered device (D); Zuoren power apparatus (C) and right human powered device (D) independent operation; The concrete structure of right propelling unit (D) is: comprise main shaft (1), rotating disk (2), ring plate blade (3), draw bar (4), radius stay (5) and shell (6); Ring plate blade (3) comprises the identical arc body at the two ends flat board identical with two pieces of stage casing; The ratio of the height to width ratio of ring plate blade (3) is between 1 ~ 3; Gap between two pieces of flat boards of ring plate blade (3) is greater than radius stay (5) and both diameter sums of draw bar (4), the height of radius stay (5) is greater than 3/5ths of the height of ring plate blade (3), and the height of draw bar (4) is greater than 3/5ths of the height of ring plate blade (3); Shell (6) comprises left side board (61), base plate (62) and right side board (63), and left side board (61) and right side board (63) are all longitudinally vertically arranged, base plate (62) horizontal arrangement; Radius stay (5) is in the middle part of the fore-and-aft direction of shell (6) and to be installed on the base plate (62) of shell (6) upper near left side board (61) place, radius stay (5) is vertically arranged, gap between radius stay (5) and left side board (61) is greater than the thickness sum of the diameter of draw bar (4) and the one flat plate of ring plate blade (3), and the gap between radius stay (5) and left side board (61) can guarantee that ring plate blade (3) makes half circular motion neatly in shell (6); Ring plate blade (3) is sleeved on radius stay (5), and it is inner to be positioned at shell (6), and ring plate blade (3) is vertical with the base plate (62) of shell (6); Rotating disk (2) horizontal arrangement, in the top of plate shaped blade (3), rotating disk (2) is provided with guide rail (21), slide block (22) and spring (23); Slide block (22) coordinates with guide rail (21), and slide block (22) can slide along guide rail (21); Spring (23) is sleeved on guide rail (21), is in the inner side of slide block (22); The upper end of draw bar (4) is fixedly mounted on the bottom of slide block (22), and draw bar (4) is vertically arranged, the hypomere of draw bar (4) inserts in ring plate blade (3); Main shaft (1) is arranged on the center of rotating disk (2), and main shaft (1) is vertically arranged in the top of rotating disk (2), and is arranged on right support (I) by bearing; For making ring plate blade (3) can as far as possible by the half circular motion of standard, installing a periphery in the top of rotating disk (2) is semi-round track (10), track (10) is fixed on right support (I), directly over slide block (22), install a guide wheel (9), guide wheel (9) rolls along the periphery of track (10).
2. a kind of manpower according to claim 1 is two pushes away canoe, it is characterized in that: for reduce ring plate blade (3) in the shell (6) during motion the bottom of ring plate blade (3) and the base plate (62) of shell (6) upper surface between friction, the bottom of ring plate blade (3) studs with antifriction ball, or the upper cover wear-resisting flat shim (51) of radius stay (5), the upper surface that wear-resisting flat shim (51) is positioned at the base plate (62) of shell (6) is padded on the bottom of ring plate blade (3).
3. a kind of manpower according to claim 1 is two pushes away canoe, it is characterized in that: the density of ring plate blade (3) is at 1000 ~ 2000kg/m
3between.
4. a kind of manpower according to claim 1 or 2 or 3 is two pushes away canoe, it is characterized in that: for reducing the friction between draw bar (4) and the inside face of radius stay (5) and ring plate blade (3), the surrounding of draw bar (4) and radius stay (5) all studs with antifriction ball or needle roller, or is all set with cylinder or bearing around draw bar (4) and radius stay (5).
5. a kind of manpower according to claim 1 or 2 or 3 is two pushes away canoe, it is characterized in that: be the friction between the outside face of reduction ring plate blade (3) and the right flank of the left side board (61) of shell (6), the right flank of left side board (61) studs with antifriction ball or needle roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085655.XU CN205221071U (en) | 2015-12-24 | 2015-12-24 | Two boats that push away of manpower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085655.XU CN205221071U (en) | 2015-12-24 | 2015-12-24 | Two boats that push away of manpower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205221071U true CN205221071U (en) | 2016-05-11 |
Family
ID=55896153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521085655.XU Withdrawn - After Issue CN205221071U (en) | 2015-12-24 | 2015-12-24 | Two boats that push away of manpower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205221071U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416539A (en) * | 2015-12-24 | 2016-03-23 | 佛山市神风航空科技有限公司 | Man-powered double-propelling boat |
| CN109050850A (en) * | 2018-08-13 | 2018-12-21 | 东莞市凯勒帝数控科技有限公司 | A kind of propulsion device of underwater bionic robot |
-
2015
- 2015-12-24 CN CN201521085655.XU patent/CN205221071U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416539A (en) * | 2015-12-24 | 2016-03-23 | 佛山市神风航空科技有限公司 | Man-powered double-propelling boat |
| CN105416539B (en) * | 2015-12-24 | 2017-12-05 | 佛山市神风航空科技有限公司 | A kind of manpower is double to push away canoe |
| CN109050850A (en) * | 2018-08-13 | 2018-12-21 | 东莞市凯勒帝数控科技有限公司 | A kind of propulsion device of underwater bionic robot |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20171205 |
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| AV01 | Patent right actively abandoned |