CN109018417A - A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor - Google Patents
A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor Download PDFInfo
- Publication number
- CN109018417A CN109018417A CN201810908986.0A CN201810908986A CN109018417A CN 109018417 A CN109018417 A CN 109018417A CN 201810908986 A CN201810908986 A CN 201810908986A CN 109018417 A CN109018417 A CN 109018417A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- ejection
- electric machine
- rotating electric
- aerial vehicle
- 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.)
- Withdrawn
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005119 centrifugation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Ground or aircraft-carrier-deck installations for launching aircraft
- B64F1/06—Ground or aircraft-carrier-deck installations for launching aircraft using catapults
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U70/00—Launching, take-off or landing arrangements
- B64U70/70—Launching or landing using catapults, tracks or rails
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of unmanned aerial vehicle ejecting framves instantaneously driven by high-speed rotary motor, including pedestal and ejection frame body, the ejection frame body is located at the top of pedestal, and elevating lever is welded between pedestal and ejection frame body, the upper end appearance surface rear end of the pedestal is threaded with rotating electric machine, the front end of the rotating electric machine is movably installed with motor arm, and motor arm is connected with the first driving wheel far from one end of rotating electric machine.The present invention makes the present apparatus in use and has preferable ejection effect by being provided with a series of structure and do not influence vulnerable to extraneous factor; rope draw off gear can be launched to avoid existing hand-rail type operates harder situation appearance; and the ejection requirement of varying environment can be better adapted to; improve the scope of application of the launching cradle; kinetic energy possessed by fixed plate when unmanned plane leaves effectively can also be absorbed by the deformation effect of itself, launching cradle itself can be effectively protected.
Description
Technical field
The present invention relates to a kind of unmanned aerial vehicle ejecting frame field, it is specially a kind of instantaneously driven by high-speed rotary motor nobody
Machine launching cradle.
Background technique
The launching cradle of small drone in the prior art, most of to use stretch cord as energy-accumulating medium, aluminium alloy is done
Launching cradle, it is sliding to run frame and unmanned plane thereon is mobile to the transmitting terminal of launching cradle under the tensile-elasticity effect of stretch cord, work as cunning
When race frame touches the ejection rope for sliding race frame transmitting terminal setting, sliding race frame stops continuing to move to because of resistance, slides nobody on race frame
Machine moment is launched away, and transmitting is completed, this kind of stretch cord launching cradle has the following problems: first, since stretch cord energy storage is
A kind of stored energy form stretching denaturation influences elasticity and compactedness for a long time using will lead to stretch cord aging.Temperature ring simultaneously
Border on the service performance of stretch cord influence be also it is very big, stretch cord is more crisp when environment temperature is low, and elastic force has again when the temperature is excessively high
Declined;Second, since stretch cord can wind several circles and locked connector on launching cradle, so in different ejection weight demands
When can remove the winding circle number of change stretch cord or the total length of stretch cord, this process is just relatively cumbersome and need special
Industry technical staff operates;So the use scope relative narrower of same a stretch cord launching cradle on the market;Third, this bullet
Principle of the power rope launching cradle due to ejection mechanism and structure, generally all relatively bigger than normal, weighting, and opening and folding require to arrange
Stretch cord, operation element are relatively cumbersome.
Summary of the invention
The purpose of the present invention is to provide a kind of unmanned aerial vehicle ejecting framves instantaneously driven by high-speed rotary motor, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of nothing instantaneously driven by high-speed rotary motor
Man-machine launching cradle, including pedestal and ejection frame body, the ejection frame body are located at the top of pedestal, and pedestal and launching cradle master
Elevating lever is welded between body, the upper end appearance surface rear end of the pedestal is threaded with rotating electric machine, the rotating electric machine
Front end is movably installed with motor arm, and motor arm is connected with the first driving wheel far from one end of rotating electric machine, and the one of the pedestal
Side external surface is connected with the second driving wheel close to the position of the first driving wheel, and the outside of the second driving wheel is provided with transmission skin
Band, the internal slide of the ejection frame body are connected with fixed plate, and the interior forward end of the ejection frame body is connected with limit base,
The elevating lever is internally provided with interior bar and outer bar.
By using above-mentioned technical proposal, making the present apparatus in use has preferable ejection effect and not vulnerable to outer
Boundary's factor influences, and rope draw off gear can be launched to avoid existing hand-rail type and operates harder situation appearance, and can be preferably
The ejection requirement for adapting to varying environment, improves the scope of application of the launching cradle, additionally it is possible to effectively make by the deformation of itself
Kinetic energy possessed by fixed plate when being left with absorption unmanned plane, can be effectively protected launching cradle itself.
Preferably, second driving wheel is internally provided with transmission shaft, and the lower end outer surface of transmission shaft is welded with hair
Plate is penetrated, the lower end outer surface of the fixed plate is connected with pulley, and the back end outer surface of fixed plate is welded with reserved block.
By using above-mentioned technical proposal, pulley can be effectively reduced between fixed plate and launching cradle body inner surface
Frictional force.
Preferably, the interior welds of the limit base have spring stack, and one end of spring stack is provided with damping rubber blanket.
By using above-mentioned technical proposal, spring stack and damping rubber blanket can effectively be inhaled by the deformation effect of itself
Receive kinetic energy possessed by fixed plate when unmanned plane leaves.
Preferably, the interior bar is located inside the outer rod, and the side of the outer bar is connected with adjustment gear, and interior bar is close
One side external surface of adjustment gear offers tooth socket.
By using above-mentioned technical proposal, the height of the adjustable elevating lever of adjustment gear is rotated to adjust unmanned plane
Launch angle.
Preferably, the upper end outer surface front and back end of the pedestal is welded with baffle, and a side external surface of baffle is welded with
The lower end outer surface of handle, the pedestal is connected with stabilizer blade.
By using above-mentioned technical proposal, handle is for easily moving the launching cradle.
Preferably, it is provided with support frame below the motor arm, the side of the rotating electric machine is provided with control cabinet, control
Case processed is internally provided with battery, and the upper end outer surface of control cabinet is provided with control button, and battery is electrically connected electric rotating
Machine and control cabinet.
By using above-mentioned technical proposal, support frame is removed, motor arm side can rotate.
In conclusion the invention has the following advantages:
1, by being connected with fixed plate in the internal slide of ejection frame body, then the front end of rotating electric machine is movably installed with electricity
Horn is connected with the first driving wheel far from one end of rotating electric machine in motor arm, passes in a side external surface of pedestal close to first
The position of driving wheel is connected with the second driving wheel, the outside of the second driving wheel is provided with driving belt, in the second driving wheel
Portion is provided with transmission shaft, is welded with expelling plate in the lower end outer surface of transmission shaft, is connected with cunning in the lower end outer surface of fixed plate
Wheel, is welded with reserved block in the back end outer surface of fixed plate, when carrying out the ejection work of unmanned plane, first places unmanned plane
In fixed plate, then start rotating electric machine, rotating electric machine revolving speed is adjusted by control cabinet, after adjusting, passes through control cabinet
Adjust motor arm position, when the first driving wheel with driving belt when driving belt incision inferius is in contact, the first driving wheel
Brief centrifugation power will drive the instantaneous fast pulldown of driving belt, and drive the rotation of the second driving wheel, so that transmission shaft be made to rotate
Come, drive fixed plate forward end high-speed motion finally by expelling plate, unmanned aerial vehicle ejecting is gone out to launch except frame body, above-mentioned bullet
The ejection effect for penetrating mode preferably and is not influenced vulnerable to extraneous factor, and rope draw off gear operation can be launched to avoid existing hand-rail type
Harder situation occurs, and can better adapt to the ejection requirement of varying environment, improve the scope of application of the launching cradle;
2, there is spring stack by the interior welds in limit base, one end of spring stack is provided with damping rubber blanket, in nothing
It is man-machine gone out by ejection after, the front end of fixed plate can strike on damping rubber blanket, then be compressed spring stack, spring stack
Kinetic energy possessed by fixed plate when unmanned plane leaves effectively can be absorbed by the deformation effect of itself with damping rubber blanket, it can
To be effectively protected launching cradle itself.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the interior views of ejection frame body of the invention;
Fig. 3 combines view with reserved block for expelling plate of the invention;
Fig. 4 is the interior views of elevating lever of the invention.
In figure: 1, pedestal;2, frame body is launched;3, elevating lever;31, interior bar;32, outer bar;33, adjustment gear;4, baffle;
5, rotating electric machine;51, motor arm;52, the first driving wheel;6, the second driving wheel;61, transmission shaft;62, expelling plate;7, it is driven skin
Band;8, fixed plate;81, pulley;82, reserved block;9, limit base;91, spring stack;91, damping rubber blanket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of unmanned plane instantaneously driven by high-speed rotary motor
Launching cradle, including pedestal 1 and ejection frame body 2, ejection frame body 2 are located at the top of pedestal 1, and the inside of ejection frame body 2 is sliding
Dynamic to be connected with fixed plate 8, the interior forward end of ejection frame body 2 is connected with limit base 9, welds between pedestal 1 and ejection frame body 2
There is elevating lever 3, the upper end appearance surface rear end of pedestal 1 is threaded with rotating electric machine 5, and the front end of rotating electric machine 5 is movably installed with
Motor arm 51, motor arm 51 are connected with the first driving wheel 52 far from one end of rotating electric machine 5, and a side external surface of pedestal 1 is close
The position of first driving wheel 52 is connected with the second driving wheel 6, and the outside of the second driving wheel 6 is provided with driving belt 7, is carrying out nothing
When man-machine ejection work, first unmanned plane is placed in fixed plate 8, then starts rotating electric machine 5, is adjusted by control cabinet
After adjusting, the position of motor arm 51 is adjusted by control cabinet for 5 revolving speed of rotating electric machine, when the first driving wheel 52 and transmission skin
For band 7 when 7 incision inferius of driving belt is in contact, it is instantaneous quickly that the brief centrifugation power of the first driving wheel 52 will drive driving belt 7
Transmission, and the rotation of the second driving wheel 6 is driven, so that transmission shaft 61 be made to rotate, fixed plate 8 is driven finally by expelling plate 62
Unmanned aerial vehicle ejecting is gone out to launch except frame body 2 by forward end high-speed motion, and the ejection effect of above-mentioned ejection mode is preferable and is not easy
It is influenced by extraneous factor, rope draw off gear can be launched to avoid existing hand-rail type and operates harder situation appearance, it can be more preferable
Ground adapts to the ejection requirement of varying environment, improves the scope of application of the launching cradle, elevating lever 3 be internally provided with interior bar 31 with
Outer bar 32, after unmanned plane is launched away, the front end of fixed plate 8 can be struck on damping rubber blanket 92, then make spring
Column 91 is compressed, when spring stack 91 and damping rubber blanket 92 can effectively be left by the deformation effect absorption unmanned plane of itself
Kinetic energy possessed by fixed plate 8 can be effectively protected launching cradle itself.
Further, the second driving wheel 6 is internally provided with transmission shaft 61, and the lower end outer surface of transmission shaft 61 is welded with transmitting
Plate 62, the lower end outer surface of fixed plate 8 are connected with pulley 81, and the back end outer surface of fixed plate 8 is welded with reserved block 82, pulley 81
Fixed plate 8 can be effectively reduced and launch the frictional force between 2 inner surface of frame body.
Further, the interior welds of limit base 9 have spring stack 91, and one end of spring stack 91 is provided with damping rubber blanket 92,
Spring stack 91, which effectively can absorb fixed plate 8 when unmanned plane leaves by the deformation effect of itself with damping rubber blanket 92, to be had
Some kinetic energy.
Further, interior bar 31 is located at the inside of outer bar 32, and the side of outer bar 32 is connected with adjustment gear 33, and interior bar 31 is close
One side external surface of adjustment gear 33 offers tooth socket, rotates the height of the adjustable elevating lever 3 of adjustment gear 33 to adjust
The launch angle of unmanned plane.
Further, the upper end outer surface front and back end of pedestal 1 is welded with baffle 4, and a side external surface of baffle 4 is welded with handle
Hand, the lower end outer surface of pedestal 1 are connected with stabilizer blade, and handle is for easily moving the launching cradle.
Further, the lower section of motor arm 51 is provided with support frame, and the side of rotating electric machine 5 is provided with control cabinet, control cabinet
Be internally provided with battery, the upper end outer surface of control cabinet is provided with control button, battery be electrically connected rotating electric machine 5 with
Control cabinet, the model 48V20AH of the battery, the model 430TK9 of the rotating electric machine 5 remove support frame, motor arm 51
Side can rotate.
It should be noted that the present invention is a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor, firstly, giving
Battery is fully charged, and when carrying out the ejection work of unmanned plane, first unmanned plane is placed in fixed plate 8, then starting rotation
Rotating motor 5 adjusts 5 revolving speed of rotating electric machine by control cabinet, and after adjusting, the position of motor arm 51 is adjusted by control cabinet,
When the first driving wheel 52 with driving belt 7 when 7 incision inferius of driving belt is in contact, the brief centrifugation power meeting of the first driving wheel 52
The instantaneous fast pulldown of driving belt 7 is driven, and drives the rotation of the second driving wheel 6, so that transmission shaft 61 be made to rotate, is finally led to
It crosses expelling plate 62 and drives 8 forward end high-speed motion of fixed plate, unmanned aerial vehicle ejecting is gone out to launch except frame body 2, above-mentioned ejection side
The ejection effect of formula preferably and is not influenced vulnerable to extraneous factor, and the operation of rope draw off gear can be launched to avoid existing hand-rail type compared with taking
The case where power, occurs, and can better adapt to the ejection requirement of varying environment, improve the scope of application of the launching cradle, secondly,
After unmanned plane is launched away, the front end of fixed plate 8 can be struck on damping rubber blanket 92, then be pressed spring stack 91
Contracting, spring stack 91 and damping rubber blanket 92 effectively can absorb fixed plate 8 when unmanned plane leaves by the deformation effect of itself
Possessed kinetic energy can be effectively protected launching cradle itself, more practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor, including pedestal (1) and ejection frame body (2),
Be characterized in that: ejection frame body (2) is located at the top of pedestal (1), and welds between pedestal (1) and ejection frame body (2)
Have elevating lever (3), the upper end appearance surface rear end of the pedestal (1) is threaded with rotating electric machine (5), the rotating electric machine (5)
Front end be movably installed with motor arm (51), and motor arm (51) is connected with the first driving wheel far from the one end of rotating electric machine (5)
(52), a side external surface of the pedestal (1) is connected with the second driving wheel (6) close to the position of the first driving wheel (52), and the
The outside of two driving wheels (6) is provided with driving belt (7), and the internal slide of ejection frame body (2) is connected with fixed plate
(8), the interior forward end of ejection frame body (2) is connected with limit base (9), and the elevating lever (3) is internally provided with interior bar
(31) with outer bar (32).
2. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor according to claim 1, it is characterised in that:
Second driving wheel (6) is internally provided with transmission shaft (61), and the lower end outer surface of transmission shaft (61) is welded with expelling plate
(62), the lower end outer surface of the fixed plate (8) is connected with pulley (81), and the back end outer surface of fixed plate (8) be welded with it is pre-
Stay block (82).
3. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor according to claim 1, it is characterised in that:
The interior welds of the limit base (9) have spring stack (91), and one end of spring stack (91) is provided with damping rubber blanket (92).
4. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor according to claim 1, it is characterised in that:
The interior bar (31) is located at the inside of outer bar (32), and the side of the outer bar (32) is connected with adjustment gear (33), and interior bar
(31) side external surface close to adjustment gear (33) offers tooth socket.
5. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor according to claim 1, it is characterised in that:
The upper end outer surface front and back end of the pedestal (1) is welded with baffle (4), and a side external surface of baffle (4) is welded with handle, institute
The lower end outer surface for stating pedestal (1) is connected with stabilizer blade.
6. a kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor according to claim 1, it is characterised in that:
Be provided with support frame below the motor arm (51), the side of the rotating electric machine (5) is provided with control cabinet, control cabinet it is interior
Portion is provided with battery, and the upper end outer surface of control cabinet is provided with control button, and battery is electrically connected rotating electric machine (5) and control
Case processed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810908986.0A CN109018417A (en) | 2018-08-10 | 2018-08-10 | A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810908986.0A CN109018417A (en) | 2018-08-10 | 2018-08-10 | A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109018417A true CN109018417A (en) | 2018-12-18 |
Family
ID=64632690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810908986.0A Withdrawn CN109018417A (en) | 2018-08-10 | 2018-08-10 | A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109018417A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110888461A (en) * | 2019-12-05 | 2020-03-17 | 西安毫米波光子科技有限公司 | Carrier-borne small-size fixed wing unmanned aerial vehicle gesture adjusting device that takes off |
-
2018
- 2018-08-10 CN CN201810908986.0A patent/CN109018417A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110888461A (en) * | 2019-12-05 | 2020-03-17 | 西安毫米波光子科技有限公司 | Carrier-borne small-size fixed wing unmanned aerial vehicle gesture adjusting device that takes off |
CN110888461B (en) * | 2019-12-05 | 2022-11-22 | 西安毫米波光子科技有限公司 | Carrier-borne small-size fixed wing unmanned aerial vehicle gesture adjusting device that takes off |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105035317B (en) | Propeller draw off gear for unmanned plane | |
CN109621353A (en) | A kind of shuttlecock training transmitter | |
CN112600151B (en) | Laborsaving electric power defroster | |
CN207253711U (en) | A kind of multiple degrees of freedom table tennis automatic launcher | |
JP2009509628A5 (en) | ||
CN109018417A (en) | A kind of unmanned aerial vehicle ejecting frame instantaneously driven by high-speed rotary motor | |
CN106730714A (en) | A kind of table tennis training mate robot | |
CN106695877A (en) | Hanging mechanical arm of multi-rotor unmanned aerial vehicle | |
CN203009163U (en) | Automatic variable-pitch speed-regulating device based on air speed | |
CN108043004A (en) | A kind of moveable table tennis dual transmitter | |
CN202146547U (en) | Motor and brake system device for treadmill | |
CN207426057U (en) | The easy-to-draw glue disassembling apparatus of a kind of electronic equipment battery | |
CN105804911A (en) | Small-sized gasoline engine with energy storage device | |
CN205627087U (en) | Hand -thrown intelligence electronic toy aircraft | |
CN209802645U (en) | rotary flying chair model with detection equipment | |
CN208481970U (en) | A kind of shooting device assisting football training | |
CN110803291A (en) | Rope hook recovery damping system based on brushless motor | |
CN210145468U (en) | Ball shooting device | |
CN109253655B (en) | Bow and arrow suit with improved structure | |
CN208285876U (en) | Apple-picking auxiliary device | |
CN104436610A (en) | Ball feeder for tennis training | |
CN205365963U (en) | Scroll spring energy storage power device | |
CN110180136A (en) | A kind of electronic power roller | |
CN216755342U (en) | Serving device of badminton | |
CN108100232A (en) | A kind of unmanned plane for search and rescue based on ultrasonic listening |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
|
WW01 | Invention patent application withdrawn after publication |