CN202270360U - Tail rotor transmission device for simulation remote control helicopter model - Google Patents

Tail rotor transmission device for simulation remote control helicopter model Download PDF

Info

Publication number
CN202270360U
CN202270360U CN 201120371217 CN201120371217U CN202270360U CN 202270360 U CN202270360 U CN 202270360U CN 201120371217 CN201120371217 CN 201120371217 CN 201120371217 U CN201120371217 U CN 201120371217U CN 202270360 U CN202270360 U CN 202270360U
Authority
CN
China
Prior art keywords
belt pulley
pivot pin
tail rotor
casing
transmission device
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.)
Expired - Fee Related
Application number
CN 201120371217
Other languages
Chinese (zh)
Inventor
沈安平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN SHENSHI TONGCHUANG SPACEFLIGHT MODEL CO Ltd
Original Assignee
SHENZHEN SHENSHI TONGCHUANG SPACEFLIGHT MODEL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN SHENSHI TONGCHUANG SPACEFLIGHT MODEL CO Ltd filed Critical SHENZHEN SHENSHI TONGCHUANG SPACEFLIGHT MODEL CO Ltd
Priority to CN 201120371217 priority Critical patent/CN202270360U/en
Priority to PCT/CN2011/001990 priority patent/WO2013044429A1/en
Application granted granted Critical
Publication of CN202270360U publication Critical patent/CN202270360U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H31/00Gearing for toys
    • A63H31/06Belt or string gear
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H27/00Toy aircraft; Other flying toys
    • A63H27/12Helicopters ; Flying tops

Landscapes

  • Toys (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The utility model discloses a tail rotor transmission device for a simulation remote control helicopter model, which aims to solve the technical problem of incapability of reducing occupied space and reducing requirements on manufacturing accuracy and assembly accuracy of parts. By the technical scheme, the tail rotor transmission device for the simulation remote control helicopter model comprises a shell, wherein a motor is arranged in the shell and is connected with a tail rotor; a tail rotor transmission mechanism is arranged between the motor and the tail rotor and consists of a belt wheel, a tail shaft, a first belt pulley, a second belt pulley, a third belt pulley, a fourth belt pulley and a transmission belt; and the belt wheel, the tail shaft, the first belt pulley, the second belt pulley, the third belt pulley and the fourth belt pulley are used for transmitting power through the transmission belt. Compared with the prior art, the utility model has the advantages that: the tail rotor is driven to rotate through the transmission of the belt, so that the requirements on the manufacturing accuracy and the assembly accuracy of the parts are greatly reduced; and the device has a simple and reliable structure, and the production cost is reduced.

Description

The tail rotor transmission device of the true helicopter of telecontrolled model picture
Technical field
The utility model relates to the tail rotor transmission device of a kind of remote control model helicopter, particularly a kind of remote control model helicopter.
Background technology
The true helicopter of telecontrolled model picture (is meant that as true helicopter contour structures is identical with real helicopter; The model copter that size is dwindled with same ratio) tail rotor transmission device partly is made up of PTO, Poewr transmission mechanism, tail rotor mechanism etc.; The active force that tail rotor is produced through rotation; Can be used for the at a high speed anti-torsion that produces of main rotor rotatably of balance, make the fuselage can be around the axis rotation.Mostly the tail rotor transmission device of the true helicopter of telecontrolled model picture of prior art is to be realized by a secondary transmission mechanism purpose of the power output and the change direction of motion; But owing to receive the general less restriction in partial interior space of picture prototype casing tail body; Make this transmission mechanism very high requirement all arranged to the accuracy of manufacture and the assembly precision of each component part; Increased the manufacturing cost of product; Finally cause the true helicopter of telecontrolled model picture or assemble a tail rotor that has only decoration function, or improve the selling price that those have installed the model product of function tail rotor, this all can reduce competitiveness of product to a certain extent.
Summary of the invention
The purpose of the utility model provides the tail rotor transmission device of the true helicopter of a kind of telecontrolled model picture, and the technical problem that solve is to reduce to take up room, and lowers the requirement to the part accuracy of manufacture and assembly precision.
For solving the problems of the technologies described above; The utility model adopts following technical scheme: the tail rotor transmission device of the true helicopter of a kind of telecontrolled model picture; Comprise casing; Be provided with motor in the said casing, said motor connects tail rotor, is provided with the tail rotor transmission mechanism between said motor and the tail rotor; Said tail rotor transmission mechanism is made up of belt pulley, tailing axle, first belt pulley, second belt pulley, the 3rd belt pulley, the 4th belt pulley and driving belt; Said motor is vertical with casing to be provided with, and Pulley shaft is connected on the output shaft of motor, and first belt pulley is connected on the empennage first pivot pin holder partly of casing through first pivot pin; Second belt pulley is connected on the second other pivot pin holder of afterbody first holder of casing through second pivot pin; The 3rd belt pulley is connected on the afterbody and the 3rd pivot pin holder between the empennage part of casing through the 3rd pivot pin, and the 4th belt pulley is connected through the 4th pivot pin on the 4th pivot pin holder of the 3rd pivot pin holder lower end, and tailing axle is arranged on the upper end of empennage part; One end of tailing axle stretches out the empennage part and is connected with tail rotor, and said belt pulley, tailing axle, first belt pulley, second belt pulley, the 3rd belt pulley and the 4th belt pulley are through driving belt transmission power.
One side of described the 3rd belt pulley of the utility model, the 4th belt pulley is provided with spring; One side two ends of said spring are provided with holds pawl; The be in one's hands top of pawl is provided with the torsion spring part, and the lower end of torsion spring part is provided with stretches out downwards and interconnective spring stop piece, and constituting the front is a M font structure; The side is the spring of N font structure; Said torsion spring partly is socketed on the spring reference column of the casing afterbody that is arranged on the 4th pivot pin holder upper end, and spring stop piece is against the cylinder upper end of the casing afterbody that is arranged on the 4th pivot pin upper end, holds the two ends that pawl is socketed in the 4th pivot pin.
Described the 4th pivot pin holder of the utility model is the slotted hole that has radian.
One side of the described spring of the utility model is provided with spring stop; Relative position with the 4th pivot pin holder on the said spring stop is provided with first pin hole; The relative position of spring stop and the 3rd pivot pin holder is provided with the 4th pin hole; Spring stop and spring reference column, cylinder relative position are provided with second pin hole, the 3rd pin hole, and said spring stop is fastened on the afterbody of casing through fixed screw.
Described first pin hole of the utility model is the slotted hole that has radian, equates with the length and the radian of the 4th pivot pin holder, and the 4th pivot pin can move along first pin hole and the 4th pivot pin holder.
One side of the described tailing axle of the utility model, first belt pulley, second belt pulley is provided with tail baffle; The said tail baffle and the first pivot pin holder relative position are provided with the 5th pin hole; The tail baffle and the second pivot pin holder relative position are provided with the 6th pin hole, and said tail baffle is connected the empennage part of casing through fixed screw.
The two ends of the described tailing axle of the utility model are coaxially arranged with clutch shaft bearing, second bearing.
The empennage of the described casing of the utility model partly is provided with the clutch shaft bearing holder, and clutch shaft bearing is arranged in the clutch shaft bearing holder.
The described tail baffle of the utility model is provided with second bearing fixed seat, and second bearing is arranged in second bearing fixed seat.
Middle part on the described casing of the utility model vertically is provided with motor fixing base, and motor is arranged in the motor fixing base.
The utility model compared with prior art adopts belt transmission to drive tail rotor and rotates, and greatly reduces the requirement to the part accuracy of manufacture and assembly precision; Change the direction of motion of belt through two groups of belt pulleys; Simple and reliable for structure, and it is little to take up room, and has reduced production cost.
Description of drawings
Fig. 1 is the general assembly drawing of the utility model.
Fig. 2 is the stereochemical structure decomposing schematic representation of the utility model.
Fig. 3 is the structural representation of the utility model casing.
Fig. 4 is the structural representation of the utility model spring stop.
Fig. 5 is the structural representation of the utility model tail baffle.
The specific embodiment
Below in conjunction with accompanying drawing and instance the utility model is done further explain.As depicted in figs. 1 and 2; The tail rotor transmission device of the true helicopter of telecontrolled model picture of the utility model comprises casing 2; Be provided with motor 4 in the said casing 2; Said motor 4 connects tail rotor 1; Between motor 4 and tail rotor 1, be provided with tail rotor transmission mechanism 40; Said tail rotor transmission mechanism 40 is made up of belt pulley 3, tailing axle 6, first belt pulley 10, second belt pulley 11, the 3rd belt pulley 15, the 4th belt pulley 16 and driving belt 7; Middle part on the said casing 2 vertically is provided with motor fixing base 27, and motor 4 is vertically set in the motor fixing base 27, and belt pulley 3 is coupling on the output shaft of motor 4; First belt pulley 10 is connected the right side of the empennage first pivot pin holder 22 partly of casing 2 through first pivot pin 12; Second belt pulley 11 is connected the right side of the second other pivot pin holder 23 of afterbody first holder 22 of casing 2 through second pivot pin 13, the right side of the 3rd belt pulley 15 is connected casing 2 through the 3rd pivot pin 18 afterbody and empennage the 3rd pivot pin holder 37 between partly, and the 4th belt pulley 16 is connected the right side of the 4th pivot pin holder 26 of the 3rd pivot pin holder 37 lower ends through the 4th pivot pin 19; Said the 4th pivot pin holder 26 is for having the slotted hole of radian; Tailing axle 6 is arranged on the right side, upper end of empennage part, and an end of tailing axle 6 stretches out the empennage part and is connected with tail rotor 1, and said belt pulley 3, tailing axle 6, first belt pulley 10, second belt pulley 11, the 3rd belt pulley 15 and the 4th belt pulley 16 transmit power through driving belt 7;
Said right side at the 3rd belt pulley 15, the 4th belt pulley 16 is provided with spring 17; One side two ends of said spring 17 are provided with holds pawl 36; The be in one's hands top of pawl 36 is provided with torsion spring part 41, and the lower end of torsion spring part 41 is provided with stretches out downwards and interconnective spring stop piece 35, and constituting the front is a M font structure; The side is the spring 17 of N font structure; Said torsion spring part 41 is socketed on the spring reference column 24 of casing 2 afterbodys that are arranged on the 4th pivot pin holder 26 upper ends, and spring stop piece 35 is against cylinder 25 upper ends of casing 2 afterbodys that are arranged on the 4th pivot pin 26 upper ends, holds the two ends that pawl 36 is socketed in the 4th pivot pin 19;
The right side of said spring 17 is provided with spring stop 20; Relative position with the 4th pivot pin holder 26 on the said spring stop 20 is provided with first pin hole 29; The relative position of spring stop 20 and the 3rd pivot pin holder 37 is provided with the 4th pin hole 31; Spring stop 20 and spring reference column 24, cylinder 25 relative positions are provided with second pin hole 28, the 3rd pin hole 30, and said spring stop 20 is fastened on the afterbody of casing 2 through fixed screw, and said first pin hole 29 is for having the slotted hole of radian; Equate that with the length and the radian of the 4th pivot pin holder 26 the 4th pivot pin 19 can move along first pin hole 29 and the 4th pivot pin holder 26;
The right side of said tailing axle 6, first belt pulley 10, second belt pulley 11 is provided with tail baffle 9; Said tail baffle 9 and the first pivot pin holder, 22 relative positions are provided with the 5th pin hole 33; Tail baffle 9 and the second pivot pin holder, 23 relative positions are provided with the 6th pin hole 34, and said tail baffle 9 is connected the empennage part of casing 2 through fixed screw;
The two ends of said tailing axle 6 are coaxially arranged with clutch shaft bearing 5, second bearing 8; The empennage of casing 2 partly is provided with clutch shaft bearing holder 21; Clutch shaft bearing 5 is arranged in the clutch shaft bearing holder 21; Tail baffle 9 is provided with second bearing fixed seat, 32, the second bearings 8 and is arranged in second bearing fixed seat 32.
As shown in Figure 3; Structural representation for the utility model casing; Vertically be provided with motor fixing base 27 on the middle part of said casing 2; Left side, junction in casing afterbody and empennage part is provided with the 3rd pivot pin holder 37 near casing edge, is provided with cylinder 25 in the lower end, right side of the 3rd pivot pin holder 37, and the lower end, right side of cylinder 25, the axis of casing afterbody are provided with the 4th pivot pin holder 26; Said the 4th pivot pin holder 26 is for having the slotted hole of radian, and the junction of cylinder 25 right sides upper end casing afterbody and empennage part is provided with spring reference column 24.
As shown in Figure 4; Structural representation for the utility model spring stop; Said spring stop 20 is a laminated structure, is provided with first pin hole 29 in the left side of spring stop 20, and this first pin hole 29 is for having the slotted hole of radian; Equate with the length and the radian of the 4th pivot pin holder 26; Edge on the right side of first pin hole 29 near spring stop 20 is provided with the 4th pin hole 31, between first pin hole 29 and the 4th pin hole 31, is provided with the 3rd pin hole 30, is provided with second pin hole 28 in the upper end of the 3rd pin hole 30.
As shown in Figure 5; Structural representation for the utility model tail baffle; Said tail baffle 9 is a laminated structure; The place of keeping to the side, right side, upper end at tail baffle 9 is provided with second bearing fixed seat 32, and the left side central portion of tail baffle 9 is provided with the 5th pin hole 33, is provided with the 6th pin hole 34 in the lower end, right side of the 5th pin hole 33.
The tail rotor transmission device course of work among the present invention is: after motor 4 energisings; Its main shaft begins rotation, and drives belt pulley 3 rotations that are assemblied on the motor drive shaft, and driving belt 7 close-fittings are on belt pulley 3 and tailing axle 6; Under function of friction; Driving belt 7 begins to rotate, and is that tailing axle 6 also begins to rotate under function of friction equally, finally drives tail rotor 1 rotation.Two groups of belt pulleys that are provided with reference to the casing shape are arranged on driving belt 7 drive paths; First group comprises the 3rd belt pulley 15 and the 4th belt pulley 16; Their main effect is the transmission direction that changes driving belt 7, promptly becomes the rotation in the vertical plane of functional requirement by the rotation in the initial horizontal plane; Second group comprises first belt pulley 10 and second belt pulley 11, and their main effect is to change the movement locus of driving belt 7 in vertical plane, avoids interference position, rationally utilizes the inner space of casing.The effect of spring 17 is the degrees of tightness of regulating driving belt 7, and driving belt well is fixed on belt pulley 3 and the tailing axle 6, avoids the phenomenon of beating or skidding occurring because of the too tight or too loose driving belt 7 that makes of belt assembling.
The telecontrolled model of the utility model is relatively simple for structure as prototype tail rotor transmission device; Required precision to each component part is low; Be easy to realize; And only need simple adjustment just can satisfy the demand of the true helicopter installation function of most picture tail rotor, to reducing the manufacturing cost of like product, improving competitiveness of product has great facilitation.

Claims (10)

1. the tail rotor transmission device of the true helicopter of telecontrolled model picture; Comprise casing (2); Be provided with motor (4) in the said casing (2); Said motor (4) connects tail rotor (1); It is characterized in that: be provided with tail rotor transmission mechanism (40) between said motor (4) and the tail rotor (1); Said tail rotor transmission mechanism (40) is made up of belt pulley (3), tailing axle (6), first belt pulley (10), second belt pulley (11), the 3rd belt pulley (15), the 4th belt pulley (16) and driving belt (7); Said motor (4) and the vertical setting of casing (2), belt pulley (3) is coupling on the output shaft of motor (4), and first belt pulley (10) is connected on the empennage first pivot pin holder (22) partly of casing (2) through first pivot pin (12); Second belt pulley (11) is connected on the second other pivot pin holder (23) of afterbody first holder (22) of casing (2) through second pivot pin (13); The 3rd belt pulley (15) is connected on the afterbody and the 3rd pivot pin holder (37) between the empennage part of casing (2) through the 3rd pivot pin (18), and the 4th belt pulley (16) is connected through the 4th pivot pin (19) on the 4th pivot pin holder (26) of the 3rd pivot pin holder (37) lower end, and tailing axle (6) is arranged on the upper end of empennage part; One end of tailing axle (6) stretches out the empennage part and is connected with tail rotor (1), and said belt pulley (3), tailing axle (6), first belt pulley (10), second belt pulley (11), the 3rd belt pulley (15) and the 4th belt pulley (16) are through driving belt (7) transmission power.
2. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 1; It is characterized in that: a side of said the 3rd belt pulley (15), the 4th belt pulley (16) is provided with spring (17); One side two ends of said spring (17) are provided with holds pawl (36); The be in one's hands top of pawl (36) is provided with torsion spring part (41), and the lower end of torsion spring part (41) is provided with stretches out downwards and interconnective spring stop piece (35), and constituting the front is a M font structure; The side is the spring (17) of N font structure; Said torsion spring part (41) is socketed on the spring reference column (24) of casing (2) afterbody that is arranged on the 4th pivot pin holder (26) upper end, and spring stop piece (35) is against cylinder (25) upper end of casing (2) afterbody that is arranged on the 4th pivot pin (26) upper end, holds the two ends that pawl (36) is socketed in the 4th pivot pin (19).
3. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 2 is characterized in that: said the 4th pivot pin holder (26) is for having the slotted hole of radian.
4. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 3; It is characterized in that: a side of said spring (17) is provided with spring stop (20); Said spring stop (20) is gone up and the relative position of the 4th pivot pin holder (26) is provided with first pin hole (29); Spring stop (20) is provided with the 4th pin hole (31) with the relative position of the 3rd pivot pin holder (37); Spring stop (20) is provided with second pin hole (28), the 3rd pin hole (30) with spring reference column (24), cylinder (25) relative position, and said spring stop (20) is fastened on the afterbody of casing (2) through fixed screw.
5. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 4; It is characterized in that: said first pin hole (29) is for having the slotted hole of radian; Equate that with the length and the radian of the 4th pivot pin holder (26) the 4th pivot pin (19) can move along first pin hole (29) and the 4th pivot pin holder (26).
6. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 5; It is characterized in that: a side of said tailing axle (6), first belt pulley (10), second belt pulley (11) is provided with tail baffle (9); Said tail baffle (9) is provided with the 5th pin hole (33) with first pivot pin holder (22) relative position; Tail baffle (9) is provided with the 6th pin hole (34) with second pivot pin holder (23) relative position, and said tail baffle (9) is connected the empennage part of casing (2) through fixed screw.
7. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 6 is characterized in that: the two ends of said tailing axle (6) are coaxially arranged with clutch shaft bearing (5), second bearing (8).
8. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 7 is characterized in that: the empennage of said casing (2) partly is provided with clutch shaft bearing holder (21), and clutch shaft bearing (5) is arranged in the clutch shaft bearing holder (21).
9. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 8 is characterized in that: said tail baffle (9) is provided with second bearing fixed seat (32), and second bearing (8) is arranged in second bearing fixed seat (32).
10. the tail rotor transmission device of the true helicopter of telecontrolled model picture according to claim 9 is characterized in that: the middle part on the said casing (2) vertically is provided with motor fixing base (27), and motor (4) is arranged in the motor fixing base (27).
CN 201120371217 2011-09-29 2011-09-29 Tail rotor transmission device for simulation remote control helicopter model Expired - Fee Related CN202270360U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201120371217 CN202270360U (en) 2011-09-29 2011-09-29 Tail rotor transmission device for simulation remote control helicopter model
PCT/CN2011/001990 WO2013044429A1 (en) 2011-09-29 2011-11-29 Tail rotor transmission device of remote control helicopter model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120371217 CN202270360U (en) 2011-09-29 2011-09-29 Tail rotor transmission device for simulation remote control helicopter model

Publications (1)

Publication Number Publication Date
CN202270360U true CN202270360U (en) 2012-06-13

Family

ID=46190752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120371217 Expired - Fee Related CN202270360U (en) 2011-09-29 2011-09-29 Tail rotor transmission device for simulation remote control helicopter model

Country Status (2)

Country Link
CN (1) CN202270360U (en)
WO (1) WO2013044429A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776211A (en) * 2020-07-30 2020-10-16 天津曙光天成科技有限公司 Tail rotor transmission system and unmanned helicopter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3008348B1 (en) * 1998-08-18 2000-02-14 京商株式会社 Tail rotor drive for helicopter toys
CN2885368Y (en) * 2006-03-01 2007-04-04 罗之洪 Helicopter aeromodelling toy
CN201120165Y (en) * 2007-12-07 2008-09-24 雷虎科技股份有限公司 Tail pipe transition transmission structure
CN201410297Y (en) * 2009-06-15 2010-02-24 倪康汉 Wind resistant four-channel remote-control coaxial twin-screw model helicopter
ES2527960T3 (en) * 2009-12-02 2015-02-02 Saab Ab Detachable helicopter
KR101181425B1 (en) * 2010-04-30 2012-09-19 경북대학교 산학협력단 An unmanned helicopter for spraying chemical

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111776211A (en) * 2020-07-30 2020-10-16 天津曙光天成科技有限公司 Tail rotor transmission system and unmanned helicopter

Also Published As

Publication number Publication date
WO2013044429A1 (en) 2013-04-04

Similar Documents

Publication Publication Date Title
CN102267566B (en) Stepless speed-changing flapping wing driving mechanism
CN105151278B (en) A kind of rudder face differential driving mechanism suitable for unmanned plane
CN205521374U (en) Coaxial transmission structure's arm
CN103162963A (en) Helicopter automatic inclinator spherical hinge bearing comprehensive fatigue testing machine
CN103661926A (en) Variable-screw-pitch device and rotor wing assembly and multiple rotor wing aircraft adopting same
CN205396540U (en) Unmanned aerial vehicle screw mechanism of verting
CN203143002U (en) Connective wing synchronous variable sweep-mobile mechanism
CN202270360U (en) Tail rotor transmission device for simulation remote control helicopter model
CN107054640A (en) A kind of lift unit with the disk wing and the aircraft using the device
CN203623961U (en) Screw pitch varying device, as well as rotor wing suite and multi-rotor-wing aircraft using same
CN100460165C (en) Electric cord driver for artificial joint
CN106628130A (en) Unmanned aerial vehicle nose landing gear shock absorption and steering mechanism
CN205745000U (en) A kind of automatic clutch device having free travel and revolving door mechanism
CN102336271A (en) Butterfly-shaped aircraft
CN202622817U (en) External structure for steering engine
CN202017744U (en) Punch press drive arrangement
CN205499339U (en) Straight line electric steering engine
CN210949704U (en) Gear transmission mechanism with adjustable center distance
CN115923413A (en) Module aerocar
CN103144691A (en) Six-degree-of-freedom rolling mechanism
CN103213680B (en) Continuous flapping-wing aircraft
CN204597713U (en) The multishaft gear motor of multi-direction driving
CN110545008A (en) Compact variable reduction ratio electromechanical actuator suitable for various working conditions
CN205010488U (en) Nobody goes straight up to tail transmission group
CN205889241U (en) A synchronous belt transmission structure for power steering

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120613

Termination date: 20190929

CF01 Termination of patent right due to non-payment of annual fee