CN112009687A - Locking-unlocking mechanism of unmanned aerial vehicle carrying information acquisition device - Google Patents
Locking-unlocking mechanism of unmanned aerial vehicle carrying information acquisition device Download PDFInfo
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- CN112009687A CN112009687A CN202011054659.7A CN202011054659A CN112009687A CN 112009687 A CN112009687 A CN 112009687A CN 202011054659 A CN202011054659 A CN 202011054659A CN 112009687 A CN112009687 A CN 112009687A
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- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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Abstract
The invention discloses a locking-unlocking mechanism of an unmanned aerial vehicle carrying information acquisition device, which comprises a triangular peak valley rotating disc, a locking device assembly, a base, an object stage, a stepping motor, a coupler, a T-shaped connecting frame, a stepping motor fixing plate and a transmission shaft, wherein the triangular peak valley rotating disc is arranged on the base; a power shaft of the stepping motor is in transmission connection with a transmission shaft through a coupler, and the transmission shaft is in transmission connection with a triangular peak valley rotating disc; the locking and releasing of the object stage and the base are completed through the matching of the triangular peak valley rotating disc and the locking device assembly. The invention can solve the problems that the existing locking and unlocking device needs a carrier, the releasing process is unstable, the unlocking mechanism is easy to lose efficacy, an information acquisition device is not easy to install, the environment influence factor is large, the durability of the locking and unlocking function is poor, the unmanned aerial vehicle is easy to wear and the like, so that the unmanned aerial vehicle can release a target object without the carrier, is suitable for arranging the information acquisition device, is not easy to wear, has stable and durable locking effect, and is quick and accurate in unlocking response.
Description
Technical Field
The invention belongs to the technical field of launching of unmanned aerial vehicle carrying devices, and particularly relates to a hook-type locking-unlocking locking mechanism suitable for an unmanned aerial vehicle carrying information acquisition device.
Background
The unmanned aerial vehicle throwing device is relatively common in application, can cooperate unmanned aerial vehicle to carry out the air-drop to the inconvenient area that reaches of traffic. At the present stage, the unmanned aerial vehicle throwing device throwing technology is realized by the combination of a conveyor belt and a convex part, the matching of a four-bar mechanism or a spiral rod and a U-shaped part, and the matching of a revolute pair and a bearing plate. The invention patent CN108791899A discloses a method for realizing the throwing function of an unmanned aerial vehicle throwing device, the method drives a movable part through a driving mechanism to drive a side plate to rotate so as to separate the side plate from a bottom plate, and the throwing function is realized; the invention discloses a throwing device and a throwing method thereof, and the throwing device comprises a locking bolt, a U-shaped part, a connecting rod and a steering engine arm, wherein the locking bolt is arranged at the mouth part of the U-shaped part, the locking bolt and the U-shaped part form sliding fit along the horizontal direction, the steering engine is connected with the locking bolt through a transmission assembly, the length direction of the steering engine arm is vertical to the output shaft of the steering engine, two ends of the connecting rod are respectively hinged with the steering engine arm and the locking bolt, and the steering engine arm rotates to drive the connecting rod and the locking bolt to move to realize a throwing function; the invention patent CN108216636A discloses an unmanned aerial vehicle throwing device, which mainly comprises two fixing parts, a driving device, a driving wheel, a driven wheel, a conveying belt with a protruding part and the like, wherein the core part is the conveying belt with the protruding part, and after an object to be thrown is hung on the protruding part and reaches a designated place, the driving wheel drives the conveying belt to rotate so that the hung object falls off to finish throwing work. The invention patent CN108791884A discloses an unmanned aerial vehicle releasing device, which mainly comprises an actuator, a base, an active rod and a release rod, wherein the active rod is screwed with the release rod, a rotation stopping part for limiting the rotation of the release rod is arranged in a guide hole, so that the release rod can only do linear motion along the axial direction of the release rod, the motion direction of the release rod can be changed by changing the rotation direction of a driving shaft of the actuator, and the actuator works to pull the release rod away from the base, thereby ensuring the release of heavy objects. The invention patent CN110155332A discloses an unmanned aerial vehicle throwing device, which mainly comprises a cam disc, a locking component, a base and an object stage, wherein a locking ball column is rotationally pushed by the cam disc in the base, the locking ball column makes linear motion in a limiting hole of the base so as to change the extension length of the locking ball column outside the base, and the extension part is matched with a locking hole of the object stage to ensure the locking and unlocking of the object stage and the base; the key parts for realizing the locking-unlocking function of the invention are the locking ball column and the spring, and the durability of the locking-unlocking function is poor due to the fatigue of the spring after multiple uses.
The unmanned aerial vehicle throwing device related to the invention patent mainly realizes the throwing function by matching the four-bar mechanism movable rod with the U-shaped device, or by matching the conveyor belt protrusion part with the hanging part, or by matching the screw rod with the U-shaped device through the axial movement driven by the driver. Although the releasing function can be realized, the releasing device has the problems of unstable carrying process, unsuitability for placing an information acquisition device, need to be suspended on the releasing device by virtue of a carrier, easy environmental influence, easy abrasion, poor durability of locking-unlocking function, complex structure and the like. Therefore, there is a need to develop a hook-type locking-unlocking mechanism suitable for an information acquisition device carried by an unmanned aerial vehicle, so that the throwing device can be used for arranging the information acquisition device without a carrier, and has the characteristics of no environmental influence, low possibility of abrasion, quick and accurate unlocking response, strong durability of locking-unlocking function and the like.
Disclosure of Invention
Based on the technical background, the invention discloses a locking and unlocking mechanism of an information acquisition device carried by an unmanned aerial vehicle, which can realize long-lasting firm locking and automatic unlocking according to requirements, has the characteristics of simple structure, no need of a carrier, strong durability of locking and unlocking functions and stable operation, and is particularly suitable for an information acquisition device carried by the unmanned aerial vehicle.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a locking and unlocking mechanism of an unmanned aerial vehicle carrying information acquisition device comprises a triangular peak valley rotating disc, a locking device assembly, a base, an object stage, a stepping motor, a coupler, a T-shaped connecting frame, a stepping motor fixing plate and a transmission shaft;
one end of the T-shaped connecting frame is fixedly connected to the base, and the other end of the T-shaped connecting frame is fixedly connected with the unmanned aerial vehicle;
the object stage is connected below the base through a locking device assembly;
the stepping motor is fixedly arranged on the T-shaped connecting frame through a stepping motor fixing plate;
the power shaft of the stepping motor is in transmission connection with the transmission shaft through the coupler, and the transmission shaft is in transmission connection with the triangular peak-valley rotating disc so as to drive the triangular peak-valley rotating disc to rotate;
the locking and releasing of the object stage and the base are completed through the matching of the triangular peak valley rotating disc and the locking device assembly.
As a further improvement of the invention, the base comprises a cylindrical body and a hollow cavity which is penetrated between the end surfaces of the cylindrical body and is positioned in the middle of the cylindrical body;
the upper end of the cylindrical body is provided with a coupler mounting hole communicated with the hollow cavity, the upper end and the lower end of the cylindrical body are both provided with connecting piece fixing grooves, and the bottom of each connecting piece fixing groove is provided with a base fixing threaded hole;
the base connecting piece is provided with a connecting piece through hole matched with the base fixing threaded hole, and a connecting piece fixing screw penetrates through the connecting piece through hole to fixedly connect the base connecting piece in the connecting piece fixing groove;
a locking piece mounting groove, a base locking piece matching groove and a partition plate fixing groove fixed between the locking piece mounting groove and the base locking piece matching groove are formed in the hollow cavity;
a base fixing column matching hole is formed in the base locking piece matching groove, and a base locking piece fixing column is fixedly connected in the base fixing column matching hole.
As a further improvement of the invention, the cylinder body is formed by combining three base blocks with the same structure;
each base connecting piece is provided with two connecting piece through holes, and the two connecting piece through holes are fixedly connected in the connecting piece fixing grooves of the two adjacent base blocks through connecting piece fixing screws respectively;
the up end of cylinder body and lower terminal surface all have three base connecting piece to be 120 circumference distributions, six base connecting pieces are with the fixed built-up connection of three base piecemeal.
As a further improvement of the invention, the triangular peak-valley rotary disc comprises a triangular peak-valley rotary disc wave trough, a triangular peak-valley rotary disc wave crest, a transmission shaft mounting groove, a transmission shaft key groove, a rotary disc bottom hemisphere and a triangular peak-valley rotary disc mounting partition plate mounted in a partition plate fixing groove;
the upper part of the triangular peak valley rotating disc is provided with a transmission shaft mounting groove and a transmission shaft key groove communicated with the transmission shaft mounting groove, and the center of the lower part of the triangular peak valley rotating disc is fixedly connected with a bottom hemisphere of the rotating disc;
the upper surface of the triangular peak valley rotating disc mounting partition plate is provided with a rotating hemispherical groove, and a hemisphere at the bottom of the rotating disc is in running fit with the rotating hemispherical groove.
Lubricating grease is injected into the rotating hemisphere groove to reduce friction when the bottom hemisphere of the rotating disc rotates, and the diameter of the rotating hemisphere groove is slightly larger than that of the bottom hemisphere of the rotating disc, and the depth of the rotating hemisphere groove is shallower than that of the bottom hemisphere of the rotating disc, so that the rotating disc can run stably. The triangular peak valley rotating disc mounting partition plate can also restrict the degree of freedom of the triangular peak valley rotating disc in the vertical direction, so that the triangular peak valley rotating disc, the cambered surface of the upper part of the locking piece and the locking piece mounting groove are positioned on the same horizontal plane.
As a further improvement of the invention, the locking device component comprises a locking piece top end plane, a locking spring, a locking piece matching hole, a locking piece middle cambered surface, a locking piece upper part cambered surface, a locking piece hook-shaped boss and a locking spring mounting shallow groove;
the locking device assembly and the locking spring are sleeved on the base locking piece fixing column, one end of the base locking piece fixing column is welded on the base block, and the other end of the base locking piece fixing column is inserted into a base fixing column matching hole of the next base block, so that the assembly of the locking device assembly and the base is completed;
the base locking piece fixing column limits the movement direction of the locking device component, so that the locking device component can only rotate by taking the axis of the base locking piece fixing column as a central shaft.
The locking spring is placed in a locking spring installation shallow groove at the lower back section of the locking device assembly, one end of the locking spring is propped against the inner surface of the locking spring installation shallow groove, and the other end of the locking spring is propped against the lower surface of the base locking piece matching groove;
the locking piece mounting groove, the base locking piece matching groove and the triangular peak valley rotating disc mounting partition plate limit the movement range of the locking device assembly, so that the locking device assembly can only rotate in a small range, and the upper cambered surface of the locking piece and the hook-shaped boss of the locking piece extend out and retract by using the tension of the locking spring to match the triangular peak valley rotating disc.
As a further improvement of the invention, the upper half part of the objective table is a hollow cylinder, and the lower half part of the objective table is a hollow cylinder provided with an information acquisition device installation groove;
the hollow cylinder is provided with a matching hole of the locking piece of the objective table which is distributed in a 120-degree circumferential manner on the same horizontal plane with the hook-shaped boss of the locking piece, and the bottom end of the hollow cylinder of the objective table is wrapped with a rubber cushion pad; the damage of the information acquisition device caused by the falling of the object stage after the putting is avoided.
As a further improvement of the invention, a threaded hole for fixedly connecting the T-shaped connecting frame is formed in the upper end surface of the cylindrical body of the base;
the T-shaped connecting frame is fixedly connected to the upper end face of the cylindrical body of the base in an inverted T shape.
As a further improvement of the invention, a stepping motor fixing plate with a threaded hole is fixedly arranged on the T-shaped connecting frame, and the stepping motor is fixed on the stepping motor fixing plate.
As a further improvement of the invention, the stepping motor fixing plate is provided with a abdicating hole for the shaft coupling to pass through, and the transmission shaft is fixedly connected with a transmission shaft key groove of the triangular peak valley rotating disc through a key block.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention relates to a hook-type locking-unlocking locking mechanism suitable for an unmanned aerial vehicle to carry an information acquisition device, which can solve the problems that the existing locking-unlocking locking device needs a carrier, the releasing process is unstable, the unlocking mechanism is easy to lose efficacy, the information acquisition device is not easy to install, the factors influenced by the environment are large, the durability of the locking-unlocking function is poor, the wearing is easy and the like, and the unmanned aerial vehicle can release a target object without the aid of the carrier, is suitable for arranging the information acquisition device and is not easy to wear, the locking effect is stable and durable, and the unlocking response is quick and accurate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly of the T-shaped connecting frame, the stepping motor fixing plate and the coupling assembly of the present invention;
FIG. 3 is a schematic view of the triangular peak valley rotor plate of the present invention assembled with a base;
FIG. 4 is a schematic view of the position of the spacer fixing groove of the present invention on the base;
FIG. 5 is a schematic view of the stage configuration of the present invention;
FIG. 6 is an assembled schematic view of the triangular peak valley rotor disc, triangular peak valley rotor disc mounting spacer, and closure assembly of the present invention;
FIG. 7 is a schematic structural view of the closure assembly of the present invention;
FIG. 8 is a schematic view of a triangular peak valley rotating disk configuration of the present invention;
FIG. 9 is a schematic view of a triangular peak valley rotating disk mounting baffle configuration of the present invention;
FIG. 10 is a schematic cross-sectional view of a triangular peak valley rotating disk of the present invention;
FIG. 11 is a schematic cross-sectional view of a triangular peak valley rotating disk mounting baffle of the present invention.
Wherein, 1, rotating a disc at the peak valley of the triangle; 1-1, rotating the trough of the disc by a triangular peak valley; 1-2, rotating the peak of the disc at a triangular peak valley; 1-3, mounting a partition plate on a triangular peak valley rotating disc; 1-3-1, rotating the hemispherical groove; 1-4, a transmission shaft mounting groove; 1-4-1, a transmission shaft key groove; 1-5, rotating the bottom hemisphere of the disc; 2. a closure assembly; 2-1, a plane at the top end of the locking piece; 2-2, locking the spring; 2-3, a locking piece matching hole; 2-4, a middle cambered surface of the locking piece; 2-5, the upper arc surface of the locking piece; 2-6, locking piece hook type boss; 2-7, locking the spring mounting shallow groove; 3. a base; 3-1, a locking piece mounting groove; 3-2, a base locking piece matching groove; 3-3, base fixing column matching holes; 3-4, a base locking piece fixing column; 3-5, fixing a threaded hole on the base; 3-6, connecting piece fixing grooves; 3-7, a base connector; 3-7-1, connecting piece through holes; 3-7-2, connecting piece fixing screws; 3-8, partition plate fixing grooves; 3-9, a coupling mounting hole; 3-10, partitioning the base; 4. an object stage; 4-1, matching holes of the object stage; 4-2, installing a groove for installing an information acquisition device; 4-3, a rubber buffer pad; 5. a stepping motor; 5-1, fixing a bolt by a stepping motor; 6. a coupling assembly; 6-1, the upper part of the coupler; 6-2, the lower part of the coupler; 6-3, connecting bolts of the coupler; 7. a T-shaped connecting frame; 8. a step motor fixing plate; 8-1, connecting frame fixing bolts; 8-2, connecting frame fixing holes; 8-3, fixing holes of the stepping motor; 9. a drive shaft.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1, in the unmanned aerial vehicle launching mechanism, a core component is a triangular peak valley rotating disc 1. In the embodiment, the mechanism is carried with a rotary wing type unmanned aerial vehicle through a T-shaped connecting frame 7, when the mechanism is in a non-throwing state, the upper arc surface 2-5 of the locking piece is aligned with the wave trough 1-1 of a triangular peak valley rotating disc, the upper arc surface 2-5 of the locking piece is in a state of extending out of the locking piece mounting groove 3-1 under the action of the elastic force of a locking spring 2-2, meanwhile, a hook-shaped boss 2-6 of the locking piece is in a state of extending out of the base locking piece matching groove 3-2 and extending into a carrying table locking piece matching hole 4-1 of a carrying table 4, and 3 locking pieces in the base 3 are matched with 3 matching holes in the carrying table 4 at the same time to realize a firm locking state shown in the attached drawing 1. After the information acquisition device arrives at a throwing place, the stepping motor 5 rotates to drive the coupler 9 to rotate under the action of the key and the key groove 1-4-1 so that the triangular peak valley rotating disc 1 rotates, then the wave peak 1-2 of the rotating disc props against the arc surface 2-5 at the upper part of the locking piece, the locking device component 2 slightly rotates outwards by taking the axis of the base locking piece fixing column 3-4 as a central shaft, finally, the arc surface 2-5 at the upper part of the locking device component shrinks into the locking piece placing groove 3-1, and meanwhile, the hook-shaped boss 2-6 of the locking piece just shrinks into the base locking piece matching groove 3-2, so that the objective table 4 falls and is separated from the base 3 due to the action of gravity, and the throwing of the information acquisition device fixed on.
As shown in fig. 1, fig. 3, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, and fig. 11, in this embodiment, the triangular peak-valley rotary disk 1 is made of an aluminum alloy, and the triangular peak-valley rotary disk 1 includes triangular peak-valley rotary disk valleys 1-1, triangular peak-valley rotary disk peaks 1-2, transmission shaft installation grooves 1-4, transmission shaft key grooves 1-4-1, rotary disk bottom hemispheres 1-5, and triangular peak-valley rotary disk installation partitions 1-3 installed in the base 3 for installing the triangular peak-valley rotary disk 1. The total thickness of the triangular peak valley rotating disc is 3.0 mm; the distance from the top end of the wave crest 1-2 of the triangular peak valley rotating disc to the central axis of the rotating disc is 10.0 mm; the distance from the top end of the wave trough 1-1 of the triangular peak-valley rotating disc to the central axis of the rotating disc is 4.0 mm; the diameter of the transmission shaft mounting groove is 3.2 mm, and the depth of the transmission shaft mounting groove is 2.8 mm; the bottom hemisphere 1-5 of the rotating disc is a hemisphere with the diameter of 2.6 mm; the diameter of the triangular peak valley rotating disc mounting partition plate 1-3 is 21.0 mm, the thickness is 1.0 mm, the diameter of the spherical pit at the center of the triangle is slightly larger than the diameter of the bottom hemisphere 1-5 of the rotating disc, the diameter is 3.0 mm, and the depth is 1.0 mm; the diameter of a partition plate mounting groove 3-8 matched with the triangular peak valley rotary disc mounting partition plate 1-3 is 21.0 mm; the triangular peak valley rotating disc mounting partition plate 1-3 is used for being matched with the triangular peak valley rotating disc 1 so as to enable the triangular peak valley rotating disc to be positioned on the same horizontal plane with the upper cambered surface 2-5 of the locking piece and the locking piece mounting groove 3-1.
As shown in attached drawings 1, 3, 5, 6 and 7, a locking device component 2 is designed according to the structure of a triangular peak valley rotating disc 1, and the locking device component 2 comprises a top end plane 2-1 of a locking piece, a locking spring 2-2, a locking piece matching hole 2-3, a locking piece middle arc surface 2-4, a locking piece upper arc surface 2-5, a locking piece hook-shaped boss 2-6 and a locking spring installation shallow groove 2-7. In this embodiment, the locking device component 2 is made of aluminum alloy, the vertical height is 12.0 mm, the thickness from the center of the upper arc surface 2-5 of the locking piece to the back surface of the locking piece is 3.0 mm, the diameter of the locking piece matching hole 2-3 at the lower part is 1.0 mm, and the locking spring installation shallow groove 2-7 at the back is 3.0 mm long, 1.6 mm wide and 1.0 mm deep. The thickness from the center of the middle cambered surface 2-4 of the locking piece to the back surface of the locking piece is 1.2 mm, the vertical height of the hook-shaped boss 2-6 of the locking piece is 5.0 mm, the thickest part is 2.4 mm, the width is 1.8 mm, and the hook-shaped boss can sufficiently extend into the matching hole 4-1 of the stage and the objective table. The base locking piece fixing column 3-4 limits the movement direction of the locking device component 2, so that the locking device component can only rotate by taking the axis of the base locking piece fixing column 3-4 as a central shaft, and the locking spring 2-2 and the triangular peak valley rotating disc 1 are matched to enable the locking piece hook-shaped boss to be retracted and extended in the objective table matching hole 4-1 according to instructions, and locking and unlocking are completed.
As shown in fig. 1, 3, 5 and 6, the base 3 is designed according to the structure of the triangular peak-valley rotary disk 1 and the locking assembly 2. In this embodiment, the base is made of aluminum alloy. The base 3 is formed by combining 3 identical base blocks 3-10, the outer diameter is 20.0 mm, the inner diameter is 10.0 mm, the inner radius of the hole of the upper coupler placing hole 3-9 is 5.0 mm, and the thickness is 2.0 mm. The upper surface of the base block 3-10 is provided with connecting frame mounting grooves 3-6 with the depth of 2.0 mm at the symmetrical positions of two sides, the inner diameter of the connecting piece 3-7 is 10.0 mm, the outer diameter is 15.0 mm, the thickness is 1.0 mm, the connecting pieces are placed at the joint of two adjacent base blocks 3-10, one connecting piece 3-7 is screwed on the two base blocks 3-10 by two connecting piece fixing screws 3-7-2, 6 base connecting pieces 3-7 and 12 connecting piece fixing screws 3-7-2 realize the firm connection of 3 base blocks 3-10, in the assembling process of the base 3, the triangular peak valley rotating disc mounting partition plate 1-3 is mounted in the partition plate fixing groove 3-8, the height of the partition plate fixing groove 3-8 is 1.0 mm and is equal to the thickness of the triangular peak valley rotating disc mounting partition plate 1-3, the distance from the inner side surface of the partition placing groove 3-8 to the central axis of the base 3 is 21.0 mm, which is equal to the radius of the partition 1-3 installed on the triangular peak valley rotating disc.
As shown in fig. 1, fig. 3 and fig. 4, an object stage 4 is designed according to the structure of a triangular peak-valley rotating disc 1, a locking device assembly 2 and a base 3, wherein the upper half part of the object stage 4 is a hollow cylinder with the height of 18.5 mm, the lower half part of the object stage is a hollow cylinder with an information acquisition device installation groove 4-2, the height of the hollow cylinder is 42.0 mm, and the height of a bottom rubber cushion 4-3 is 10.0 mm. In this embodiment, the material of objective table is the aluminum alloy, and objective table upper portion is the hollow cylinder that the internal diameter is 8.8 millimeters, the external diameter is 10.0 millimeters, and the side that objective table upper portion is close to the top is equipped with the objective table locking piece mating holes 4-1 that is 120 circumference distributions, and the distance of the top edge of objective table locking piece mating holes 4-1 apart from the objective table top is 1.0 millimeter, and the mating holes width is 2.0 millimeters, and length is 4.5 millimeters. The lower half part is a hollow cylinder with the diameter of 40.0 mm, the inner diameter is 18.0 mm, the side surface of the hollow cylinder is provided with an information acquisition device installation groove 4-2 which is distributed in a 120-degree circumferential manner on the same horizontal plane, the upper edge of the information acquisition device installation groove 4-2 is 9.0 mm away from the cylindrical top surface of the lower half part of the objective table, and the width and the height of a window are 20.0 mm. The bottom end of the whole objective table is wrapped with 3.0 mm thick rubber cushions 4-3 to prevent the damage of the object to be thrown or the information acquisition device caused by the falling of the objective table in the throwing process.
As shown in fig. 1 and fig. 2, a rectangular connecting frame 7 having an upper part with a length of 3.0 mm, a width of 2.0 mm and a height of 10.0 mm and a lower part with a length of 3.0 mm, a width of 20.0 mm and a height of 2.0 mm is designed according to the shape and size of the base 3, and the component is in an inverted T shape. The T-shaped connecting frame 7 is used for installing and fixing the throwing device and the rotary wing type unmanned aerial vehicle, a fixing plate 8 with a threaded hole is installed on the inverted T-shaped boss and used for fixing the stepping motor 5, and a connecting frame fixing bolt 8-1 penetrates through a connecting frame fixing hole 8-2, then penetrates through a through hole of the T-shaped connecting frame 7 and is finally screwed into the threaded hole in the upper bottom surface of the base 3. The stepping motor fixing bolts 5-1 penetrate through the stepping motor mounting holes 5-2 and then penetrate through the stepping motor fixing holes 8-3 and are matched with nuts to be screwed, 4 fixing bolts correspond to 4 fixing holes, and the stepping motor 5 can be fixed on the fixing plate 8. The stepping motor 5 is connected with the triangular peak valley rotating disc 1 through a coupler 6, a transmission shaft 9 and a key and key groove 1-4-1.
The working process is stated as follows: after the hook type locking-unlocking mechanism suitable for the information acquisition device carried by the unmanned aerial vehicle is assembled according to a design drawing, the upper arc surface 2-5 of a locking piece is compared with the wave trough 1-1 of a triangular peak valley rotating disc, at the moment, under the action of a locking spring 2-2 of a locking device component 2, a hook-shaped boss 2-6 of the locking piece extends out of a matching groove 3-2 of a base locking piece and extends into a matching hole 4-1 of an object stage, at the moment, 3 locking device components 2 distributed on the periphery of the base simultaneously extend into 3 matching holes 4-1 of the object stage arranged on the periphery of the upper part of the object stage, and the stable locking of the base 3 and the object stage 4 is realized. The information acquisition device for acquiring signals can be fixed in the information acquisition device mounting groove 4-2 for acquiring required information of a target area. The hooking type locking-unlocking mechanism suitable for the unmanned aerial vehicle to carry the information acquisition device is fixed on an unmanned aerial vehicle carrying platform through the base 3 and the T-shaped connecting frame 7, and is carried to fire scenes, earthquake scenes, war scenes, nuclear radiation areas, original forests, mountain and mountain mountains, desert abdominal lands and other natural areas which are difficult for people to involve in by the unmanned aerial vehicle; in the transportation process of the unmanned aerial vehicle, the hook-shaped boss 2-6 part of the locking piece of the locking device component 2 is arranged in the matching hole 4-1 of the objective table and is pressed out of the matching groove 3-2 of the locking piece of the base under the action of the wave trough 1-1 of the triangular peak-valley rotating disc and the locking spring 2-2 to be pressed into the matching hole 4-1 of the objective table, meanwhile, the upper surface of the objective table is close to the lower surface of the mounting partition plate 1-3 of the triangular peak-valley rotating disc, the vertical freedom degree of the objective table is limited, and the stable locking of the objective table 4 and the base 3 is maintained. After the unmanned aerial vehicle is transported to a target area, under the action of a trigger signal, the stepping motor 5 rotates, the triangular peak valley rotating disc 1 rotates under the action of the key groove 1-4-1 through the coupler 6 and the transmission shaft 9, then the wave peak 1-2 of the rotating disc props against the arc surface 2-5 on the upper portion of the locking piece, so that the locking device component 2 slightly rotates outwards by taking the axis of the base locking piece fixing column 3-4 as a central shaft, finally, the arc surface 2-5 on the upper portion of the locking piece shrinks into the locking piece mounting groove 3-1, meanwhile, the hook-shaped boss 2-6 of the locking piece shrinks into the base locking piece matching groove 3-2 from the objective table matching hole 4-1, and at the moment, all 3 locking pieces 2 on the base lose the matching with 3 objective table matching holes 4-1 on the objective table. The object stage 4 is unlocked from the base 3, the object stage 4 is separated from the base 3 due to gravity free falling, and the object stage 4 carrying the information acquisition device is ensured to be thrown to a target area in a good condition under the action of the rubber buffer 4-3.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a locking-locking mechanism that takes off of unmanned aerial vehicle delivery information acquisition device which characterized in that: the device comprises a triangular peak valley rotating disc (1), a locking device assembly (2), a base (3), an object stage (4), a stepping motor (5), a coupler (6), a T-shaped connecting frame (7), a stepping motor fixing plate (8) and a transmission shaft (9);
one end of the T-shaped connecting frame (7) is fixedly connected to the base (3), and the other end of the T-shaped connecting frame is fixedly connected with the unmanned aerial vehicle;
the object stage (4) is connected below the base (3) through a locking device component (2);
the stepping motor (5) is fixedly arranged on the T-shaped connecting frame (7) through a stepping motor fixing plate (8);
a power shaft of the stepping motor (5) is in transmission connection with a transmission shaft (9) through a coupler (6), and the transmission shaft (9) is in transmission connection with the triangular peak-valley rotating disc (1) so as to drive the triangular peak-valley rotating disc (1) to rotate;
the locking and releasing of the object stage (4) and the base (3) are completed through the matching of the triangular peak valley rotating disc (1) and the locking device assembly (2).
2. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 1, wherein: the base (3) comprises a cylinder body and a hollow cavity which is penetrated between the end surfaces of the cylinder body and is positioned in the middle of the cylinder body;
the upper end of the cylinder body is provided with a coupler mounting hole (3-9) communicated with the hollow cavity, the upper end and the lower end of the cylinder body are both provided with connecting piece fixing grooves (3-6), and the bottom of each connecting piece fixing groove (3-6) is provided with a base fixing threaded hole (3-5);
the base connecting piece (3-7) is provided with a connecting piece through hole (3-7-1) matched with the base fixing threaded hole (3-5), and the base connecting piece (3-7) is fixedly connected into the connecting piece fixing groove (3-6) by a connecting piece fixing screw (3-7-2) penetrating through the connecting piece through hole (3-7-1);
a locking piece mounting groove (3-1), a base locking piece matching groove (3-2) and a partition plate fixing groove (3-8) fixed between the locking piece mounting groove (3-1) and the base locking piece matching groove (3-2) are formed in the hollow cavity;
a base fixing column matching hole (3-3) is formed in the base locking piece matching groove (3-2), and a base locking piece fixing column (3-4) is fixedly connected in the base fixing column matching hole (3-3).
3. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 2, wherein: the cylinder body is formed by combining three base blocks (3-10) with the same structure;
each base connecting piece (3-7) is provided with two connecting piece through holes (3-7-1), and the two connecting piece through holes (3-7-1) are respectively and fixedly connected in the connecting piece fixing grooves (3-6) of the two adjacent base sub-blocks (3-10) through connecting piece fixing screws (3-7-2);
the upper end face and the lower end face of the cylinder body are respectively provided with three base connecting pieces (3-7) which are distributed in a 120-degree circumferential manner, and the six base connecting pieces (3-7) are used for fixedly combining and connecting the three base blocks (3-10).
4. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 3, wherein: the triangular peak valley rotating disc (1) comprises triangular peak valley rotating disc valleys (1-1), triangular peak valley rotating disc peaks (1-2), transmission shaft mounting grooves (1-4), transmission shaft key grooves (1-4-1), rotating disc bottom hemispheres (1-5) and triangular peak valley rotating disc mounting clapboards (1-3) arranged in clapboard fixing grooves (3-8);
a transmission shaft mounting groove (1-4) and a transmission shaft key groove (1-4-1) communicated with the transmission shaft mounting groove (1-4) are formed in the upper portion of the triangular peak valley rotating disc (1), and a rotating disc bottom hemisphere (1-5) is fixedly connected to the center of the lower portion of the triangular peak valley rotating disc (1);
the upper surface of the triangular peak valley rotating disc mounting partition plate (1-3) is provided with a rotating hemispherical groove (1-3-1), and a hemisphere 1-5 at the bottom of the rotating disc is in rotating fit with the rotating hemispherical groove (1-3-1).
5. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 4, wherein: the locking device component (2) comprises a locking piece top end plane (2-1), a locking spring (2-2), a locking piece matching hole (2-3), a locking piece middle arc surface (2-4), a locking piece upper arc surface (2-5), a locking piece hook-shaped boss (2-6) and a locking spring mounting shallow groove (2-7);
the locking device component (2) and the locking spring (2-2) are sleeved on the base locking piece fixing column (3-4), one end of the base locking piece fixing column (3-4) is welded on the base sub-block (3-10), and the other end of the base locking piece fixing column is inserted into the base fixing column matching hole (3-3) of the next base sub-block, so that the assembly of the locking device component (2) and the base (3) is completed;
the locking spring (2-2) is placed in a locking spring installation shallow groove (2-7) at the lower back section of the locking device component (2), one end of the locking spring (2-2) is propped against the inner surface of the locking spring installation shallow groove (2-7), and the other end of the locking spring (2-2) is propped against the lower surface of the base locking piece matching groove (3-2); the extension and retraction of the upper cambered surface (2-5) of the locking piece and the hook-shaped boss (2-6) of the locking piece are realized by applying the tension of the locking spring (2-2) and matching the triangular peak valley rotating disc (1).
6. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 5, wherein: the upper half part of the objective table (4) is a hollow cylinder, and the lower half part of the objective table is a hollow cylinder provided with an information acquisition device installation groove (4-2);
the hollow cylinder is provided with an objective table locking piece matching hole (4-1) which is distributed in a 120-degree circumferential manner at the same horizontal plane with the locking piece hook-shaped boss (2-6), and the bottom end of the hollow cylinder of the objective table (4) is wrapped with a rubber cushion (4-3).
7. The locking-unlocking mechanism of the unmanned aerial vehicle carrying information acquisition device according to claim 6, wherein: the upper end face of the cylindrical body of the base (3) is provided with a threaded hole for fixedly connecting a T-shaped connecting frame (7);
the T-shaped connecting frame (7) is fixedly connected to the upper end face of the cylindrical body of the base (3) in an inverted T shape.
8. The locking-unlocking mechanism of the unmanned aerial vehicle carried information acquisition device according to claim 7, wherein: and a stepping motor fixing plate (8) with a threaded hole is fixedly mounted on the T-shaped connecting frame (7), and the stepping motor (5) is fixed on the stepping motor fixing plate (8).
9. The locking-unlocking mechanism of the unmanned aerial vehicle carried information acquisition device according to claim 8, wherein: the stepping motor fixing plate (8) is provided with a yielding hole for the shaft coupler (6) to penetrate through, and the transmission shaft (9) is fixedly connected with a transmission shaft key groove (1-4-1) of the triangular peak valley rotating disc (1) through a key block.
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| CN202011054659.7A CN112009687A (en) | 2020-09-30 | 2020-09-30 | Locking-unlocking mechanism of unmanned aerial vehicle carrying information acquisition device |
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| CN202011054659.7A CN112009687A (en) | 2020-09-30 | 2020-09-30 | Locking-unlocking mechanism of unmanned aerial vehicle carrying information acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113650785A (en) * | 2021-09-09 | 2021-11-16 | 镇泰有限公司 | Remote control delivery system for unmanned aerial vehicle and unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113650785A (en) * | 2021-09-09 | 2021-11-16 | 镇泰有限公司 | Remote control delivery system for unmanned aerial vehicle and unmanned aerial vehicle |
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