CN206398287U - A kind of rotating limit device, head and unmanned plane of taking photo by plane - Google Patents

A kind of rotating limit device, head and unmanned plane of taking photo by plane Download PDF

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Publication number
CN206398287U
CN206398287U CN201621448269.7U CN201621448269U CN206398287U CN 206398287 U CN206398287 U CN 206398287U CN 201621448269 U CN201621448269 U CN 201621448269U CN 206398287 U CN206398287 U CN 206398287U
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ring
spacing
rotating
limit device
active
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CN201621448269.7U
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陈浩
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Zhejiang Hua Fei Intelligent Technology Co Ltd
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Zhejiang Hua Fei Intelligent Technology Co Ltd
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Abstract

The utility model is related to filming apparatus technical field, discloses a kind of rotating limit device, head and unmanned plane of taking photo by plane;Wherein, rotating limit device includes:Rotary shaft;It is sheathed on the active ring in the rotary shaft;At least two can rotationally be sheathed on the spacing ring in the rotary shaft around the rotary shaft, and at least two spacing ring is arranged in order in the side of the active ring;Wherein, provided with the rotating and limiting mechanism being limited to the relative rotation angle of two spacing rings in the range of 360 degree between every two adjacent spacing rings;Provided with the rotating and limiting mechanism being limited to the relative rotation angle of the active ring and spacing ring in the range of 360 degree between the active ring and spacing ring adjacent thereto.Above-mentioned rotating limit device can realize the rotary spacing angle more than 360 degree, and be easily worked production.

Description

A kind of rotating limit device, head and unmanned plane of taking photo by plane
Technical field
The utility model is related to filming apparatus technical field, more particularly to a kind of rotating limit device, head and nothing of taking photo by plane It is man-machine.
Background technology
Unmanned vehicle (referred to as " unmanned plane ") be widely used in some military and civilian monitoring, investigate, field of taking photo by plane. Unmanned plane is realized by the monopod video camera of carry the function such as monitors, investigates, taking photo by plane;The tripod head equipment of monopod video camera typically has There are course, pitching, three rotary shafts of roll, in the head of unmanned plane, the rotary spacing angle of pitching and roll to be led to Often less than 360 degree, the position-limit mechanism of such rotating limit device is simple in construction, be easily worked;Course rotary spacing angle is led to Often greater than 360 degree, the position-limit mechanism structure of such rotating limit device is relatively complicated and difficulty of processing is larger.
Fig. 1 a and Fig. 1 b show the rotating limit device that a kind of spacing angle of the prior art is more than 360 degree, and it is wrapped Include the first rotary body 10 and the second rotary body 20 that can be relatively rotated with first rotary body 10, the first rotary body 10 and the second rotation One of them is provided with a helicla flute 30 to swivel 20, and a bar-shaped trough 40 relative with helicla flute 30, spiral are provided with another The original position of groove 30 is corresponding with the original position of bar-shaped trough 30, the final position of helicla flute 30 and the stop bit of bar-shaped trough 40 Put corresponding, the rotating limit device also includes respectively can positioned between the first rotary body 10 and the second rotary body 20 and two ends The rotary shaft 50 in helicla flute 30 and bar-shaped trough 40 is slidably disposed in, because the anglec of rotation of helicla flute 30 is more than 360 degree, because This, the spacing angle that rotates against of the first rotary body 10 and the second rotary body 20 is more than 360 degree.Above-mentioned rotating limit device can be with Realize that spacing angle is more than 360 degree of rotary stopper, still, because it makes use of the spacing knot such as helicla flute 30 and rotary shaft 50 Structure, these structures are more complicated and higher to required precision, therefore, process difficulty larger.
Utility model content
The utility model provides a kind of rotating limit device, head and unmanned plane of taking photo by plane, for solving in the prior art Spacing angle be more than 360 degree rotating limit device difficulty of processing it is larger the problem of.
To reach above-mentioned purpose, the utility model provides following technical scheme:
A kind of rotating limit device, including:
Rotary shaft;
It is sheathed on the active ring in the rotary shaft;
At least two can rotationally be sheathed on the spacing ring in the rotary shaft, at least two limit around the rotary shaft Position ring is arranged in order in the side of the active ring;Wherein,
It is provided between per two adjacent spacing rings and the relative rotation angle of two spacing rings is limited to 360 degree In the range of rotating and limiting mechanism;
It is provided between the active ring and spacing ring adjacent thereto by the relative rotation angle of the active ring and spacing ring It is limited to the rotating and limiting mechanism in the range of 360 degree.
In above-mentioned rotating limit device, each rotating and limiting mechanism can be by the relative rotation of its two spacing ring body Gyration is limited in the range of 360 degree, i.e. the rotary spacing angle of each rotating and limiting mechanism is less than 360 degree, therefore, above-mentioned Each rotating and limiting mechanism in rotating limit device is simple in construction, be easily worked;Also, in above-mentioned rotating limit device, Due to being provided between active ring and a spacing ring adjacent thereto between the rotating and limiting mechanism, every two adjacent spacing rings The rotating and limiting mechanism also is provided with, and, above-mentioned rotating limit device includes at least two spacing rings, therefore, above-mentioned rotary spacing At least include two rotating and limiting mechanisms, therefore, above-mentioned turn between the active ring of device and a spacing ring farthest apart from it The spacing angle that rotates against between the active ring of dynamic stopping means and a spacing ring farthest apart from it can be more than 360 Degree, i.e. the rotary spacing angle of the rotating limit device can be more than 360 degree.
In summary, rotating limit device of the present utility model can realize the rotary spacing angle more than 360 degree, and hold Easy processing is produced.
Preferably, the active ring is fixed relative to the rotary shaft.
Preferably, each described rotating and limiting mechanism includes:It is arranged at two spacing rings of the rotating and limiting mechanism 4 The arc-shaped slot in a ring body in body;It is arranged at another ring in two spacing ring bodies of the rotating and limiting mechanism 4 Spacing preiection on body;The spacing preiection can be slidably mounted in the arc-shaped slot relative to the arc-shaped slot.
Preferably, the width of the arc-shaped slot is more than the width of the spacing preiection;The height of the arc-shaped slot is big In the height of the spacing preiection.
Preferably, the spacing preiection and the ring body where it are integral type structure.
Preferably, the central angle of the arc-shaped slot is more than 350 degree and is less than 360 degree.
Preferably, the rotating limit device includes two spacing rings.
Preferably, at least two spacing ring, in addition to a spacing ring farthest apart from the active ring, other every One spacing ring is cylindric ring body structurc, and each spacing ring side bottom surface provided with the arc-shaped slot, Opposite side bottom surface is provided with the spacing preiection.
Preferably, the active ring is cylindric ring body structurc, and a spacing ring farthest apart from active ring is circle Column ring body structurc;The active ring towards the side bottom surface of spacing ring be provided with the arc-shaped slot, it is described apart from active ring most A remote spacing ring is provided with the spacing preiection towards the side bottom surface of active ring;Or, the active ring is towards spacing ring Side bottom surface be provided with the spacing preiection, a spacing ring farthest apart from active ring is towards the side bottom surface of active ring Provided with the arc-shaped slot.
A kind of head, including the rotating limit device described in any of the above-described technical scheme.
One kind is taken photo by plane unmanned plane, including the head described in above-mentioned technical proposal.
Brief description of the drawings
Fig. 1 a are a kind of structural representation of rotating limit device in the prior art;
The structural representation that Fig. 1 b watch for the rotating limit device in Fig. 1 a from another visual angle;
A kind of structural representation for rotating limit device that Fig. 2 provides for the utility model embodiment;
A kind of configuration schematic diagram for rotating limit device that Fig. 3 provides for the utility model embodiment;
A kind of structural representation of first spacing ring of rotating limit device that Fig. 4 provides for the utility model embodiment;
A kind of structural representation of second spacing ring of rotating limit device that Fig. 5 provides for the utility model embodiment;
A kind of structural representation of the active ring for rotating limit device that Fig. 6 provides for the utility model embodiment;
A kind of structural representation for aerial camera head that Fig. 7 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
It refer to Fig. 2~Fig. 7.
As shown in Figures 2 and 3, a kind of rotating limit device that the utility model embodiment is provided, including:
Rotary shaft 1;
It is sheathed on the active ring 2 in the rotary shaft 1;
At least two can rotationally be sheathed on the spacing ring 3 in the rotary shaft 1 around the rotary shaft 1, and this is at least two spacing Ring 3 is located at the side of active ring 2 and is arranged in order along rotary shaft 1;Wherein,
Be provided between active ring 1 and a spacing ring 3 adjacent thereto by the active ring 1 and the spacing ring 3 can be relative The anglec of rotation is limited to the rotating and limiting mechanism 4 in the range of 360 degree;And, it also is provided between every two adjacent spacing rings 3 by this The relative rotation angle of two spacing rings 3 is limited to the rotating and limiting mechanism 4 in the range of 360 degree.
In above-mentioned rotating limit device, each rotating and limiting mechanism 4 can be by the relative of its two spacing ring body The anglec of rotation is limited in the range of 360 degree, i.e. the rotary spacing angle of each rotating and limiting mechanism 4 is less than 360 degree, therefore, Rotating and limiting mechanism 4 is simple in construction, be easily worked for each in above-mentioned rotating limit device;Also, above-mentioned rotary spacing dress In putting, due to being provided with the rotating and limiting mechanism 4 between active ring 2 and a spacing ring 3 adjacent thereto, per two adjacent limits The rotating and limiting mechanism 4 also is provided between the ring 3 of position, and, above-mentioned rotating limit device includes at least two spacing rings 3, therefore, on State the active ring 2 of rotating limit device and at least include two rotating and limiting mechanisms between its spacing ring 3 farthest 4, therefore, limit angle is rotated against between the active ring 2 of above-mentioned rotating limit device and a spacing ring 3 farthest apart from it The rotary spacing angle that degree can be more than 360 degree, the i.e. rotating limit device can be more than 360 degree.
In summary, the rotary spacing angle of rotating limit device of the present utility model can be more than 360 degree, and easily add Work is produced.
As shown in Figures 2 and 3, on the basis of above-described embodiment, in a kind of specific embodiment, above-mentioned rotary spacing dress In putting, each rotating and limiting mechanism 4 can include:Be arranged at it is in two spacing ring bodies of the rotating and limiting mechanism 4, one The arc-shaped slot 41 of individual ring body surface;It is arranged in two spacing ring bodies of the rotating and limiting mechanism 4, another ring body table The spacing preiection 42 in face, the spacing preiection 42 can be slidably mounted in the arc-shaped slot 41 relative to above-mentioned arc-shaped slot 41; For example, specifically, the rotating and limiting mechanism 4 between two adjacent spacing rings 3 includes, a table of spacing ring 3 is disposed therein The arc-shaped slot 41 in face and the spacing preiection 42 for being arranged at another surface of spacing ring 3;Active ring 1 and a limit adjacent thereto Rotating and limiting mechanism 4 between the ring 3 of position can include, and be arranged at the arc-shaped slot 41 on the surface of active ring 1 and be arranged at spacing ring 3 The spacing preiection 42 on surface, or, the spacing preiection 42 for being arranged at the surface of active ring 1 and the circular arc for being arranged at the surface of spacing ring 3 Shape groove 41.
In above-mentioned rotating and limiting mechanism 4, spacing preiection 42 can be slided and when spacing preiection 42 is slided along arc-shaped slot 41 is relative Move to the end of arc-shaped slot 41 when, can realize between spacing preiection 42 and arc-shaped slot 41 it is spacing each other, and then can be real Now the relative rotation between two ring bodies where the spacing preiection 42 and the arc-shaped slot 41 difference is carried out spacing;Due to limit Position projection 42 and the maximum of arc-shaped slot 41 relatively rotate the central angle that angle is arc-shaped slot 42, and it is less than 360 degree, and then, The rotary spacing angle of the rotating and limiting mechanism 4 is less than 360 degree, therefore, the rotating and limiting mechanism 4 can by its spacing two The relative rotation angle of individual ring body is limited in the range of 360 degree.
As shown in Fig. 3~Fig. 6, on the basis of above-described embodiment, in a kind of specific embodiment, above-mentioned rotary spacing machine In structure 4, the width of arc-shaped slot 41 (i.e. perpendicular to groove bearing of trend size) be more than the width of spacing preiection 42 (i.e. vertically In the size of the bearing of trend of groove);The height (i.e. along the size in groove depth direction) of arc-shaped slot 41 is more than spacing preiection 42 Highly (i.e. along the size in groove depth direction);Above-mentioned setting can make friction of the spacing preiection 42 in arc-shaped slot 41 during slip Power is smaller, you can to reduce the relative motion resistance between spacing preiection 42 and arc-shaped slot 41, therefore, above-mentioned rotary spacing machine Structure 4 without lubricated and can be less prone to situations such as rotary resistance is excessive or stuck.
As shown in Fig. 3~Fig. 6, on the basis of the various embodiments described above, in a kind of preferred embodiment, above-mentioned rotary spacing In mechanism 4, spacing preiection 42 is integral type structure, limit convex with the ring body (ring body i.e. provided with the spacing preiection 42) where it It is integral type structure that 41, which are played, with its ring body, can make its more more stable and stronger, and then rotating and limiting mechanism 4 can be made relatively reliable Property.
As shown in Fig. 3~Fig. 6, on the basis of the various embodiments described above, in a kind of preferred embodiment, above-mentioned rotary spacing In mechanism 4, the central angle of arc-shaped slot 41 can limit for the rotation of 350~360 degree (not including 360), i.e. rotating and limiting mechanism 4 Parallactic angle degree can be 350~360 degree (not including 360).It is further preferred that arc-shaped slot 41 can be by an annular groove Set and block muscle position and formed, so that the size by adjusting muscle position, you can the length of control arc-shaped slot 41, and then can control The rotary spacing angle of rotating and limiting mechanism 4 processed.
It is of the present utility model in a kind of specific embodiment on the basis of the various embodiments described above as shown in Fig. 2~Fig. 6 Spacing ring 3 in rotating limit device is Demountable, i.e., rotating limit device of the present utility model can be as needed Any number of spacing ring 3 is removed or sets up, so as to realize the adjustment to its rotary spacing angle.
The rotary spacing angle of each rotating and limiting mechanism 4 is m (0 using in rotating limit device of the present utility model Degree<m<360 degree) exemplified by;When rotating limit device of the present utility model is provided only with a spacing ring 3, using the spacing ring 3 with A rotating and limiting mechanism 4 between active ring 1 can realize that rotary spacing angle is m, so that of the present utility model rotate limit Position device can realize the rotary spacing less than 360 degree;When rotating limit device of the present utility model is set up to two spacing rings 3 When, the rotating limit device includes two rotating and limiting mechanisms 4, and rotary spacing angle is 2 × m degree, therefore, the rotary spacing Device can realize the rotary spacing less than 720 degree;When rotating limit device of the present utility model is set up to 3 spacing rings, There are three rotating and limiting mechanisms 4, rotary spacing angle is 3 × m degree, therefore, rotary spacing dress in the rotating limit device The rotary spacing less than 1080 degree can be realized by putting.
It should be noted that in rotating limit device of the present utility model each rotating and limiting mechanism 4 spacing angle Can be with identical, can also be different, it can specifically design according to actual needs;When the spacing angle of each rotating and limiting mechanism 4 When different, above-mentioned m values can be the average value of the spacing angle of all rotating and limiting mechanisms 4.
In summary, by adjusting the number of spacing ring 3 and the rotary spacing angle of each rotating and limiting mechanism 4, this The rotating limit device of utility model can reach any rotary spacing angle, you can realize to the spacing of any rotational angle. Therefore, rotating limit device of the present utility model has very high versatility.
It is of the present utility model in a kind of specific embodiment on the basis of the various embodiments described above as shown in Fig. 2~Fig. 6 In rotating limit device, at least two spacing rings 3 can include first spacing ring 31 farthest apart from active ring 2, with position At least one second spacing ring 32 between the first spacing ring 31 and active ring 2;Preferably, each the second spacing ring 32 Structure all same;Specifically, each second spacing ring 32 can be cylindric ring body structurc, the one of the cylindric ring body structurc Side bottom surface is provided with spacing preiection 42 provided with arc-shaped slot 41, opposite side bottom surface.
Further, the spacing ring 31 of active ring 2 and first can also be cylindric ring body structurc;And,
Active ring 2 is provided with arc-shaped slot 41 towards the side bottom surface of the first spacing ring 31, and the first spacing ring 31 is towards actively The side bottom surface of ring 2 is provided with spacing preiection 42;Or,
Active ring 2 is provided with spacing preiection 42 towards the side bottom surface of the first spacing ring 31, and the first spacing ring 31 is towards actively The side bottom surface of ring 2 is provided with arc-shaped slot 41.
The above-mentioned setting for active ring 2 and spacing ring 3, on the one hand, can facilitate and the second spacing ring 32 is subjected to batch Streamlined is produced;On the other hand, it is convenient to omit matching link of the spacing ring 3 during removing and setting up, it is easy to implement rotation The high universalizable of stopping means, for example, any one second spacing ring 32 can arbitrarily be removed, due to each the second spacing ring 32 structure is all identical, therefore, after second spacing ring 32 is removed, and the ring body positioned at its both sides can directly again originally Cooperatively form rotating and limiting mechanism 4.
It should be noted that in rotating limit device of the present utility model, the structure design of each the second spacing ring 32 Can also be different, for example, some second spacing rings 32 can be designed with spacing preiection 42 with both side surface, other second limits Position ring 32 can be designed with arc-shaped slot 41 with both side surface, and the second spacing ring 32 of both types can be handed over direction arranged along Fork is set, so as to can form rotating and limiting mechanism 4 between each two spacing ring 3;Correspondingly, the first spacing ring 31 and active The concrete structure of ring 2 can also according to its each the concrete structure of adjacent the second spacing ring 32 and set, such as first is spacing The structure of ring 31 and active ring 2 can all be that a side surface is provided with spacing preiection 42.
As shown in Figures 2 and 3, it is of the present utility model in a kind of specific embodiment on the basis of the various embodiments described above In rotating limit device, active ring 2 can be fixed relative to rotary shaft 1.Carried out using rotating limit device of the present utility model During rotary spacing, two objects for needing to carry out rotary spacing can be subjected to phase with the spacing ring 31 of active ring 2 and first respectively To fixation, and then, the rotary spacing angle between the spacing ring 31 of active ring 2 and first is the rotary spacing angle of two objects Degree;In particular it is required that can be realized and active ring 2 by being fixedly connected on rotary shaft with the relatively-stationary object of active ring 2 Be relatively fixed.
The utility model embodiment also provides a kind of head, and the head includes the rotary spacing dress in any of the above-described embodiment Put.
As shown in fig. 7, specifically, the head can be aerial camera head, including course axle o, pitch axis a and roll Axle b, rotating limit device of the present utility model is the rotary spacing that can be used for the head course, can be used for pitch orientation With the rotary spacing in roll direction.
The utility model embodiment also provides one kind and taken photo by plane unmanned plane, and the unmanned plane of taking photo by plane includes above-mentioned aerial camera cloud Platform.
Course rotary spacing uses the limit angle in the utility model embodiment in the aerial camera head of the unmanned plane Rotating limit device of the degree more than 360 degree is realized.
As shown in fig. 7, in a kind of specific embodiment, in the rotating limit device of the utility model embodiment, active ring 2 It is fixedly connected with rotary shaft 1;Rotary shaft 1 and the rotor of course motor 5 and head course arm 6 of aerial camera head are directly solid Fixed connection, indirectly, the rotor and head course arm 6 of active ring 2 and course motor 5 achieve a fixed connection, and then, it is installed on The aerial camera 8 of head course arm 6 can with rotary shaft 1 being rotated by the rotor of course motor 5;Course motor 5 Stator is directly fixedly connected with the mounting flange of damping 7, the first spacing ring 31 and the directly fixed company of the mounting flange of damping 7 Connect, indirectly, the stator of the first spacing ring 31 and course motor 5 achieves a fixed connection.Due in rotating limit device, active ring 2 turned an angle relative to the first spacing ring 31 after will be limited, so as to being fixed relative to the first spacing ring 31, and then, boat Shooting after camera 8 turns an angle will also fix relative to the stator of course motor 5, so as to realize course rotary spacing.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from Spirit and scope of the present utility model.So, if these modifications and variations of the present utility model belong to the utility model right It is required that and its within the scope of equivalent technologies, then the utility model be also intended to comprising these change and modification including.

Claims (11)

1. a kind of rotating limit device, it is characterised in that including:
Rotary shaft;
It is sheathed on the active ring in the rotary shaft;
At least two can rotationally be sheathed on the spacing ring in the rotary shaft, at least two spacing ring around the rotary shaft It is arranged in order in the side of the active ring;Wherein,
It is provided between per two adjacent spacing rings and the relative rotation angle of two spacing rings is limited to 360 degree of scopes Interior rotating and limiting mechanism;
It is provided between the active ring and spacing ring adjacent thereto and limits the relative rotation angle of the active ring and spacing ring Rotating and limiting mechanism in the range of 360 degree.
2. rotating limit device according to claim 1, it is characterised in that the active ring is solid relative to the rotary shaft It is fixed.
3. rotating limit device according to claim 1, it is characterised in that each described rotating and limiting mechanism includes:
It is arranged at the arc-shaped slot in a ring body in two spacing ring bodies of the rotating and limiting mechanism 4;
It is arranged at the spacing preiection in another ring body in two spacing ring bodies of the rotating and limiting mechanism 4;It is described spacing Projection can be slidably mounted in the arc-shaped slot relative to the arc-shaped slot.
4. rotating limit device according to claim 3, it is characterised in that the width of the arc-shaped slot is more than the limit The raised width in position;The height of the arc-shaped slot is more than the height of the spacing preiection.
5. rotating limit device according to claim 3, it is characterised in that the spacing preiection is with the ring body where it Integral structure.
6. rotating limit device according to claim 3, it is characterised in that the central angle of the arc-shaped slot is more than 350 Degree is less than 360 degree.
7. the rotating limit device according to any one of claim 1~6, it is characterised in that including two spacing rings.
8. the rotating limit device according to any one of claim 3~6, it is characterised in that at least two spacing ring In, in addition to a spacing ring farthest apart from the active ring, each other described spacing ring be cylindric ring body structurc, and The side bottom surface of each spacing ring is provided with the spacing preiection provided with the arc-shaped slot, opposite side bottom surface.
9. rotating limit device according to claim 8, it is characterised in that the active ring is cylindric ring body structurc, A spacing ring farthest apart from active ring is cylindric ring body structurc;
The active ring is provided with the arc-shaped slot, a limit farthest apart from active ring towards the side bottom surface of spacing ring Position ring is provided with the spacing preiection towards the side bottom surface of active ring;Or,
The active ring is provided with the spacing preiection, a limit farthest apart from active ring towards the side bottom surface of spacing ring Position ring is provided with the arc-shaped slot towards the side bottom surface of active ring.
10. a kind of head, it is characterised in that including the rotating limit device described in any one of claim 1~9.
The unmanned plane 11. one kind is taken photo by plane, it is characterised in that including the head described in claim 10.
CN201621448269.7U 2016-12-27 2016-12-27 A kind of rotating limit device, head and unmanned plane of taking photo by plane Active CN206398287U (en)

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Application Number Priority Date Filing Date Title
CN201621448269.7U CN206398287U (en) 2016-12-27 2016-12-27 A kind of rotating limit device, head and unmanned plane of taking photo by plane

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Application Number Priority Date Filing Date Title
CN201621448269.7U CN206398287U (en) 2016-12-27 2016-12-27 A kind of rotating limit device, head and unmanned plane of taking photo by plane

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CN206398287U true CN206398287U (en) 2017-08-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109506092A (en) * 2018-12-21 2019-03-22 银河水滴科技(北京)有限公司 Image modalities
CN111867932A (en) * 2018-02-07 2020-10-30 杭州零零科技有限公司 Unmanned aerial vehicle comprising omnidirectional depth sensing and obstacle avoidance air system and operation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111867932A (en) * 2018-02-07 2020-10-30 杭州零零科技有限公司 Unmanned aerial vehicle comprising omnidirectional depth sensing and obstacle avoidance air system and operation method thereof
CN109506092A (en) * 2018-12-21 2019-03-22 银河水滴科技(北京)有限公司 Image modalities
CN109506092B (en) * 2018-12-21 2023-12-26 银河水滴科技(北京)有限公司 Image acquisition equipment

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