CN204612609U - Target drone and target car - Google Patents
Target drone and target car Download PDFInfo
- Publication number
- CN204612609U CN204612609U CN201520107261.3U CN201520107261U CN204612609U CN 204612609 U CN204612609 U CN 204612609U CN 201520107261 U CN201520107261 U CN 201520107261U CN 204612609 U CN204612609 U CN 204612609U
- Authority
- CN
- China
- Prior art keywords
- target
- fork
- cam
- bar
- connecting rod
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 244000273618 Sphenoclea zeylanica Species 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Rehabilitation Tools (AREA)
Abstract
The utility model relates to a kind of target drone and is provided with the target car of this target drone, and this target drone comprises the fork be connected with the target bar of target, and fork is hollow stem, and the target bar of target inserts in fork; This target drone also comprises: be arranged on the cam in fork, and cam props up the root of target bar; This target drone also comprises: be connected with fork and drive the first driving mechanism that fork carries out reciprocally swinging in the angular range preset and the second driving mechanism rotated with cam connecting band moving cam; Wherein, the target bar of target is followed fork when fork swings and is together swung, and the fluctuating of following cam outer rim when cam rotates is risen along the axis direction of described fork or declined.Compared with the existing technology, trainer can according to the training demand of reality, open the first driving mechanism and or the second driving mechanism, make target can carry out swings and or move up and down, to improve the difficulty of trainer when shooting.
Description
Technical field
The utility model relates to a kind of gunnery training device, particularly a kind of target drone and the target car being provided with this target drone.
Background technology
Target drone, as the trainer used during a kind of gunnery training target, be widely used and tested with various military exercises or weapon-shooting, but because existing most shooting target generally is stationary structure, namely on fixing target bar, shooting target is connected, this fixed target is in the current exercise demand that can not meet army and shooting fan, and institute thinks improves shooting difficulty, and the direction all to Moving target drone is developed.
But because existing Moving target drone is generally divided into bobbing target, back starting target and side-sway target, but no matter be which kind of target drone, although be the state of motion when going out target, in the process of practicing shooting, target or fixed, therefore often cannot reach the training effect of expection.
So target how can be made in the process of practicing shooting also to be in the state of motion, is current problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of target drone, can make target in the process of practicing shooting, be in the state of motion all the time, to increase the difficulty of target practice.
To achieve these goals, the utility model devises a kind of target drone, and comprise the fork be connected with the target bar of described target, described fork is hollow stem, and the target bar of described target inserts in described fork;
Described target drone also comprises: be arranged on the cam in described fork, and described cam props up the root of described target bar;
Described target drone also comprises: be connected with described fork and drive described fork to carry out the first driving mechanism of reciprocally swinging and be connected the second driving mechanism driving described cam to rotate with described cam in the angular range preset;
Wherein, the target bar of described target is followed described fork when described fork swings and is together swung, and the fluctuating of following described cam outer rim when described cam rotates is risen along the axis direction of described fork or declined.
In addition, a kind of target car of present embodiment, described target car carries target drone as above.
Embodiment of the present utility model in terms of existing technologies, target bar due to target drives it to swing by fork, and fork is a hollow stem, and the target bar of target directly inserts in fork, and be also provided with the cam propping up target bar in fork.In the process of practical application, drive fork reciprocally swinging by the first driving mechanism, realize the reciprocally swinging of target with this.In addition, also drive the cam in fork to rotate by the second driving mechanism, thus the fluctuating situation making target bar can follow cam outer rim under the rotary motion of cam rise or decline, and realizes the elevating movement of target with this along the axis direction of fork.It can thus be appreciated that trainer is when training, and target can be in the state of motion all the time, to improve difficulty during shooting, reaches the training effect of expection.
Further, described first driving mechanism comprise the first power transmission shaft be fixedly connected with described fork, the first connecting rod be fixedly connected with described first power transmission shaft, with the hinged second connecting rod of described first connecting rod, the third connecting rod hinged with described second connecting rod and the first motor driver of driving described third connecting rod to rotate; Wherein, arranged in parallel and be spaced from each other by described first power transmission shaft between described fork and described first connecting rod, and described first, second, and third connecting rod forms the link assembly driving described first power transmission shaft to rotate.In the process of practical application, third connecting rod is driven to rotate by the first motor driver, and second connecting rod can drive the first power transmission shaft to carry out coming back rotation in certain angular range under the circular motion of first connecting rod, and then make fork follow power transmission shaft reciprocally swinging, make whole link assembly be similar to a crank and rocker mechanism thus, realized the reciprocally swinging of target by crank and rocker mechanism.
Further, described first motor driver the first reductor of comprising the first motor, being connected with the main shaft of described first motor; Wherein, described third connecting rod is fixedly connected with the output shaft of described first reductor.When practical application, can regulate the gear ratio of the first reductor inside in advance, be reduced the rotating speed of the first electric machine main shaft by the first reductor, and then moment of torsion during raising Power output, to reach the target speed required when swinging.
Further, described first power transmission shaft is hollow shaft, and the two ends of described first power transmission shaft are what do not close, and one end that described fork connects described first power transmission shaft convexes to form the sleeve that can be inserted by described first power transmission shaft to the side of described first connecting rod; Described second driving mechanism comprises and inserts second driving shaft in described first power transmission shaft and the second motor driver being connected described second driving shaft; Wherein, one end of described second driving shaft extends to the sleeve inner of described fork and is fixedly connected with the cam be arranged in described fork, and the other end of described second driving shaft is exposed to, and described first power transmission shaft is outer to be connected with described second motor driver.When practical application, drive second driving shaft to rotate by the second motor driver, and then band moving cam rotate, and realizes moving up and down of target bar with this.
Further, described second motor driver the second reductor of comprising the second motor, being connected with the main shaft of described second motor; Wherein, the output shaft of described second driving shaft and described second reductor is coaxially fixed.When practical application, can regulate the gear ratio of the second reductor inside in advance, be reduced the rotating speed of the second electric machine main shaft by the second reductor, and then moment of torsion during raising Power output, to reach the target speed required when moving up and down.
Further, the target bar of described target is also provided with waist-shaped hole, and the waist-shaped hole on the corresponding described target bar of described fork is provided with the screwed hole be communicated with described waist-shaped hole; Wherein, with bolts between described screwed hole and described waist-shaped hole, and the length of described waist-shaped hole is greater than the distance that described target bar rises or declines in described fork.When practical application, by the cooperation of waist-shaped hole and bolt, the distance of target bar when rising being limited, avoiding cam when rotating, because driving force is excessive, and causing target bar to be deviate from fork.
Further, the extension spring connecting described target bar is also provided with in described fork; Wherein, described extension spring is stretched gradually when described target bar rises, and shrinks gradually when described target bar declines.Target bar can be made when carrying out elevating movement by the pulling force of extension spring, be that the outer edge surface being close to cam moves all the time, avoids target bar when rising because the phenomenon of beating appears in the impact of inertial acceleration on cam outer edge surface.
Further, described target bar is a spherical structure for propping up one end of described cam.Thus make to be that form by point cantact carries out transmission between the outer edge surface of cam and target bar, thus decrease the resistance of cam when being with moving-target bar to carry out elevating movement, avoid cam 4 and target bar 2 to cause because resistance is excessive when transmission damaging or occur to wear and tear.
Further, the target bar of described target is expansion link.Thus trainer according to the training requirement of reality, can be regulated the length of target bar, make the range of application of whole target drone wider thus, have more practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the target drone of the utility model first embodiment;
Fig. 2 is the sectional view at A-A place in Fig. 1;
Fig. 3 and Fig. 4 is that the utility model second embodiment hits the assembling schematic diagram of bar and fork.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in each embodiment of the utility model, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following embodiment and amendment, each claim of the application technical scheme required for protection also can be realized.
First embodiment of the present utility model relates to a kind of target drone, as depicted in figs. 1 and 2, comprise the fork 3 be connected with the target bar 2 of target 1, and this fork 3 is a hollow stem.Wherein, the target bar 2 of target 1 inserts in fork 3.
The target drone of present embodiment also comprises: be arranged on the cam 4 in fork 3, and this cam 4 props up the root of target bar 2.
In addition, the target drone of present embodiment also comprises: be connected with fork 3 and drive the first driving mechanism that fork 3 carries out reciprocally swinging in the angular range preset and the second driving mechanism rotated with cam 4 connecting band moving cam 4.Wherein, the target bar 2 of target 1 is followed fork 3 and is together swung when fork 3 swings, and the fluctuating of following cam 4 outer rim when cam 4 rotates is risen along the axis direction of fork 3 or declined.
Be not difficult to find by foregoing, the target bar 2 due to target 1 drives it to swing by fork 3, and fork 3 is a hollow stem, and the target bar 2 of target 1 directly inserts in fork 3, and be also provided with the cam 4 propping up target bar 2 in fork 3.In the process of practical application, drive fork 3 reciprocally swinging by the first driving mechanism, realize the reciprocally swinging of target 1 with this.In addition, also the cam 4 in fork 3 is driven to rotate by the second driving mechanism, thus the fluctuating situation making target bar 2 can follow cam 4 outer rim under the rotary motion of cam 4 rises along the axis direction of fork 3 or declines, and realizes the elevating movement of target 1 with this.
In training, trainer according to the training demand of reality, only can open the first driving mechanism or only opens the second driving mechanism, making target can only carry out swinging or moving up and down.Or trainer, when training, also can open the first and second driving mechanisms simultaneously, making target 1 can also carry out elevating movement along the axis direction of fork while swing, to improve the difficulty of trainer when shooting, reaching the training effect of expection.
Specifically, in the present embodiment, as depicted in figs. 1 and 2, the first driving mechanism comprise the first power transmission shaft 5-1 be fixedly connected with fork 3, the first connecting rod 5-2 be fixedly connected with the first power transmission shaft 5-1, with the hinged second connecting rod 5-3 of first connecting rod 5-2, the third connecting rod 5-4 hinged with second connecting rod 5-3 and the first motor driver 5-5 of driving third connecting rod 5-4 to rotate.
Wherein, arranged in parallel and be spaced from each other by the first power transmission shaft 5-1 between fork 3 and first connecting rod 5-2, and first connecting rod 5-2, second connecting rod 5-3 and third connecting rod 5-4 form the link assembly that drive first power transmission shaft 5-1 rotates.
In the process of practical application, third connecting rod 5-4 is driven to rotate by the first motor driver, and second connecting rod 5-3 can drive the first power transmission shaft 5-1 to carry out coming back rotation in certain angular range under the circular motion of first connecting rod 5-2, and then make fork 3 can follow the first power transmission shaft 5-1 reciprocally swinging, make whole link assembly be similar to a crank and rocker mechanism thus, realized the reciprocally swinging of target 1 by the motion mode of crank and rocker mechanism.
In addition, in the present embodiment, the first motor driver the first reductor of comprising the first motor, being connected with the main shaft of the first motor.Wherein, third connecting rod 5-4 is fixedly connected with the output shaft of the first reductor.Make it when practical application, can regulate the gear ratio of the first reductor inside in advance, be reduced the rotating speed of the first electric machine main shaft by the first reductor, and then moment of torsion during raising Power output, to reach target 1 speed required when swinging.
In addition, it is worth mentioning that, in the present embodiment, as shown in Figure 2, first power transmission shaft 5-1 is a hollow shaft, and the two ends of the first power transmission shaft 5-1 are what do not close, and one end that fork 3 connects the first power transmission shaft 5-1 convexes to form the sleeve 3-1 that can be inserted by the first power transmission shaft 5-1 to the side of first connecting rod 5-2.And the second driving mechanism comprises second driving shaft 6-1 in insertion first power transmission shaft 5-1 and the second motor driver 6-2 being connected second driving shaft 6-1.Wherein, one end of second driving shaft 6-1 extends to the sleeve 3-1 inside of fork 3 and is fixedly connected with the cam 4 be arranged in fork 3, and the other end of second driving shaft 6-1 is exposed to, and the first power transmission shaft 5-1 is outer to be connected with the second motor driver.When practical application, drive second driving shaft 6-1 to rotate by the second motor driver, and then band moving cam 4 rotate, and realizes moving up and down of target bar 2 with this.
Specifically, this second motor driver the second reductor of comprising the second motor, being connected with the main shaft of the second motor.Wherein, the output shaft of second driving shaft and the second reductor is coaxially fixed.When practical application, can regulate the gear ratio of the second reductor inside in advance, be reduced the rotating speed of the second electric machine main shaft by the second reductor, and then moment of torsion during raising Power output, to reach target 1 speed required when moving up and down.
In addition, it should be noted that, in present embodiment, also can by the second driving shaft 6-1 of the second driving mechanism thus fork 3 deviate from the first power transmission shaft 5-1 side insert, and be directly fixedly connected with the cam 4 be arranged in fork 3 after such insertion, make the first power transmission shaft 5-1 to adopt solid shafting thus, avoid carrying out secondary operations to it, to improve the rigidity of the first power transmission shaft when transmission and intensity, thus improve the transmission efficiency of fork 3 when swinging further.
In addition, be worth mentioning time, in the present embodiment, the target bar 2 of target 1 is an expansion link, thus trainer can be regulated according to the length of the training requirement of reality to target bar, and the range of application making whole target drone is thus wider, has more practicality.
Second embodiment of the present utility model relates to a kind of target drone, second embodiment is on the basis of the first embodiment, done further improvement, it mainly improves and is: in the present embodiment, as shown in Figure 3, the target bar 2 of target 1 is also provided with waist-shaped hole 2-1, and the waist-shaped hole 2-1 on the corresponding target bar 2 of fork 3 is provided with the screwed hole (not indicating in figure) be communicated with waist-shaped hole 2-1.Wherein, between screwed hole with waist-shaped hole 2-1, adopt bolt 7 to be connected, and the length of waist-shaped hole 2-1 is greater than the distance that target bar 2 rises or declines in fork 3.
When practical application, by the cooperation of waist-shaped hole 2-1 and bolt 7, the distance of target bar 2 when rising being limited, avoiding cam 4 when rotating, because driving force is excessive, causing target bar 2 to be deviate from fork 3.
In addition, it is worth mentioning that, in the present embodiment, as shown in Figure 4, in order to the transmission efficiency of cam 4 when being with moving-target bar 2 can be improved, in fork 3, being also provided with the extension spring 8 connecting target bar 2.Wherein, extension spring 8 is stretched gradually when target bar 2 rises, and shrink gradually when target bar 2 declines, and the quantity of extension spring 8 can arrange many according to demand, target bar 2 can be made when carrying out elevating movement by the pulling force of extension spring 8, all the time being that the outer edge surface being close to cam 4 moves, avoiding target bar 2 when rising because the phenomenon of beating appears in the impact of inertial acceleration on the outer edge surface of cam 4.
And, it should be noted that, in the present embodiment, also the project organization offered screwed hole 3-1 and offer waist-shaped hole 2-1 on target bar 2 on fork 3 can be cancelled, and only adopt mode extension spring 8 being set in fork 3 and connecting target bar 2, by the pulling force of extension spring 8, target bar 2 being close on the outer fringe surface of cam 4, also avoiding cam 4 when rotating, because driving force is excessive, target bar 2 is caused to be deviate from fork 3.
In addition, in the present embodiment, target bar 2 is a spherical structure for propping up one end of cam 4.Thus make to be that form by point cantact carries out transmission between cam 4 outer edge surface and target bar 2, thus decrease the resistance of cam 4 when being with moving-target bar 2 to carry out elevating movement, avoid cam 4 and target bar 2 to cause because resistance is excessive when transmission damaging or occur to wear and tear.
In addition, it is worth mentioning that, in the present embodiment, the structure of cam 4 also can adopt shape as shown in Figure 4, be specially this cam 4 and there is an interior concaved circular cambered surface, and the root of target bar 2 is directly against on this interior concaved circular cambered surface, and in the application process of reality, by controlling the rotating of the second motor, the fluctuating making target bar 2 can follow the interior concaved circular cambered surface of cam 4 is carried out rising and declining.
3rd embodiment of the present utility model relates to a kind of target car, and this target car is for carrying the target drone as described in the first embodiment or the second embodiment.
Be not difficult to find, owing to this target car carrying the target drone in the first or second embodiment by foregoing.And in this target drone, the target bar 2 due to target 1 drives it to swing by fork 3, and fork 3 is a hollow stem, and the target bar 2 of target 1 directly inserts in fork 3, and is also provided with the cam 4 propping up target bar 2 in fork 3.In the process of practical application, drive fork 3 reciprocally swinging by the first driving mechanism, realize the reciprocally swinging of target 1 with this.In addition, also the cam 4 in fork 3 is driven to rotate by the second driving mechanism, thus the fluctuating situation making target bar 2 can follow cam 4 outer rim under the rotary motion of cam 4 rises along the axis direction of fork 3 or declines, and realizes the elevating movement of target 1 with this.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiment of the utility model, and in actual applications, various change can be done to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (10)
1. a target drone, is characterized in that: comprise the fork be connected with the target bar of described target, described fork is hollow stem, and the target bar of described target inserts in described fork;
Described target drone also comprises: be arranged on the cam in described fork, and described cam props up the root of described target bar;
Described target drone also comprises: be connected with described fork and drive described fork to carry out the first driving mechanism of reciprocally swinging and be connected the second driving mechanism driving described cam to rotate with described cam in the angular range preset;
Wherein, the target bar of described target is followed described fork when described fork swings and is together swung, and the fluctuating of following described cam outer rim when described cam rotates is risen along the axis direction of described fork or declined.
2. target drone according to claim 1, is characterized in that: the first motor driver that described first driving mechanism comprises the first power transmission shaft be fixedly connected with described fork, the first connecting rod be fixedly connected with described first power transmission shaft, the second connecting rod hinged with described first connecting rod, the third connecting rod hinged with described second connecting rod and drives described third connecting rod to rotate;
Wherein, arranged in parallel and be spaced from each other by described first power transmission shaft between described fork and described first connecting rod, and described first, second, and third connecting rod forms the link assembly driving described first power transmission shaft to rotate.
3. target drone according to claim 2, is characterized in that: the first reductor that described first motor driver comprises the first motor, is connected with the main shaft of described first motor;
Wherein, described third connecting rod is fixedly connected with the output shaft of described first reductor.
4. target drone according to claim 2, it is characterized in that: described first power transmission shaft is hollow shaft, and the two ends of described first power transmission shaft are what do not close, and one end that described fork connects described first power transmission shaft convexes to form the sleeve that can be inserted by described first power transmission shaft to the side of described first connecting rod;
Described second driving mechanism comprises and inserts second driving shaft in described first power transmission shaft and the second motor driver being connected described second driving shaft;
Wherein, one end of described second driving shaft extends to the sleeve inner of described fork and is fixedly connected with the cam be arranged in described fork, and the other end of described second driving shaft is exposed to, and described first power transmission shaft is outer to be connected with described second motor driver.
5. target drone according to claim 4, is characterized in that: the second reductor that described second motor driver comprises the second motor, is connected with the main shaft of described second motor;
Wherein, the output shaft of described second driving shaft and described second reductor is coaxially fixed.
6. target drone according to claim 1, is characterized in that: the target bar of described target is also provided with waist-shaped hole, and the waist-shaped hole on the corresponding described target bar of described fork is provided with the screwed hole be communicated with described waist-shaped hole;
Wherein, with bolts between described screwed hole and described waist-shaped hole, and the length of described waist-shaped hole is greater than the distance that described target bar rises or declines in described fork.
7. target drone according to claim 1, is characterized in that: be also provided with the extension spring connecting described target bar in described fork;
Wherein, described extension spring is stretched gradually when described target bar rises, and shrinks gradually when described target bar declines.
8. target drone according to claim 1, is characterized in that: described target bar is a spherical structure for propping up one end of described cam.
9. target drone according to claim 1, is characterized in that: the target bar of described target is expansion link.
10. a target car, is characterized in that: described target car carries target drone as in one of claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107261.3U CN204612609U (en) | 2015-02-13 | 2015-02-13 | Target drone and target car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107261.3U CN204612609U (en) | 2015-02-13 | 2015-02-13 | Target drone and target car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204612609U true CN204612609U (en) | 2015-09-02 |
Family
ID=53965162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520107261.3U Expired - Fee Related CN204612609U (en) | 2015-02-13 | 2015-02-13 | Target drone and target car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204612609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361892A (en) * | 2020-11-04 | 2021-02-12 | 山东战勤特种装备有限公司 | Shooting intelligent confrontation automatic target scoring training method and device |
| CN112484577A (en) * | 2020-12-16 | 2021-03-12 | 温州大学 | Movable shooting training target |
-
2015
- 2015-02-13 CN CN201520107261.3U patent/CN204612609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361892A (en) * | 2020-11-04 | 2021-02-12 | 山东战勤特种装备有限公司 | Shooting intelligent confrontation automatic target scoring training method and device |
| CN112484577A (en) * | 2020-12-16 | 2021-03-12 | 温州大学 | Movable shooting training target |
| CN112484577B (en) * | 2020-12-16 | 2022-07-12 | 温州大学 | Movable shooting training target |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103129735B (en) | Three sections of twofold wings | |
| CN101915292B (en) | Single-power rolling spherical four-rod mechanism | |
| CN201273357Y (en) | Novel crankshaft torsion vibration absorber of car engine | |
| CN201523070U (en) | Satellite borne extensible reflector synchronous hinge device | |
| CN204612609U (en) | Target drone and target car | |
| CN105416582A (en) | Passive amplitude changing flapping mechanism and flapping method | |
| CN205089895U (en) | Engine crankshaft balanced structure and engine | |
| CN205131663U (en) | Passive width of cloth mechanism of fluttering that becomes | |
| CN208887926U (en) | Shafting vibration experimental provision | |
| CN203686040U (en) | Lever transmitting mechanism | |
| CN108859644A (en) | Automobile, rotary shock absorber, controller and control method for rotary shock absorber | |
| CN103115120B (en) | A kind of sphere conveying mechanism | |
| CN209385293U (en) | Synchronous bent axis type axial piston pump | |
| CN204093041U (en) | A kind of model helicopter undercarriage | |
| CN102837751A (en) | Belt trough movable shaft type half-rotation mechanism | |
| CN109064950A (en) | A kind of billboard for taxi top | |
| CN105382844B (en) | Multi-degree-of-freedom mechanical arm based on sequential control | |
| CN205135906U (en) | Speed limiting mechanism | |
| CN209112441U (en) | Spherical Crank rocker-type Bionic ornithopter | |
| CN105799933A (en) | Micro flapping-wing air vehicle drive mechanism | |
| CN206682142U (en) | A kind of new type crank | |
| CN203060752U (en) | Table tennis serving machine | |
| CN103591853B (en) | A kind of transmission lock locking mechanism of back starting target | |
| CN207728718U (en) | New type crank | |
| CN203384316U (en) | Eccentric shaft inertia torque increasing device |
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: 20150902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |