CN118270277A - Small unmanned aerial vehicle rotatable angle's catapult frame - Google Patents
Small unmanned aerial vehicle rotatable angle's catapult frame Download PDFInfo
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- CN118270277A CN118270277A CN202410716299.4A CN202410716299A CN118270277A CN 118270277 A CN118270277 A CN 118270277A CN 202410716299 A CN202410716299 A CN 202410716299A CN 118270277 A CN118270277 A CN 118270277A
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Abstract
The invention relates to an ejection frame with a rotatable angle for a small unmanned aerial vehicle, which is applied to the field of small unmanned aerial vehicles and comprises a supporting underframe, wherein an installation base is fixedly arranged at one end of the top of the supporting underframe, a second installation groove is formed in the top of the installation base, an installation table is rotatably connected with the inner wall of the second installation groove through a pin shaft, a spherical groove is formed in the top of one side of the installation table, and the inner wall of the spherical groove is inserted into a universal ball seat. The invention can change the horizontal direction of the ejection frame body and the ejection assembly, so that the whole small unmanned aerial vehicle ejection frame has the function of adjusting the horizontal ejection direction, and can also change the vertical angle of the ejection frame body and the ejection assembly, so that the whole small unmanned aerial vehicle ejection frame has the function of adjusting the longitudinal ejection angle, the supporting area of the whole ejection frame is increased, the stability of the whole small unmanned aerial vehicle ejection frame is ensured, and the ejection frame further has the whole automatic expansion and contraction performance and is convenient to store.
Description
Technical Field
The invention relates to an unmanned aerial vehicle catapulting frame, in particular to an unmanned aerial vehicle catapulting frame capable of rotating by an angle, which is applied to the field of small unmanned aerial vehicles.
Background
The unmanned plane is a unmanned plane operated by using radio remote control equipment and a self-provided program control device, can adapt to flying in various working environments, and has extremely wide application in the fields of mapping, rescue, aerial photography and the like. When the unmanned aerial vehicle takes off, the catapult-assisted take-off mode is a common one, the traditional unmanned aerial vehicle catapult-assisted take-off mode can be divided into hydraulic catapult, pneumatic catapult, rib catapult, electromagnetic catapult and the like according to different forms of emission energy, however, for a small unmanned aerial vehicle with the weight not exceeding 15 kg or the maximum take-off weight not exceeding 25 kg, an elastic element (such as a rubber band and a spring) with strong elasticity is often utilized to provide power so as to provide acceleration required by the take-off of the unmanned aerial vehicle.
At present, unmanned aerial vehicle takes off mainly and goes on in the off-premises, before unmanned aerial vehicle catapult takes off, need launch the whole unmanned aerial vehicle catapult frame and expand, can adopt a plurality of landing leg structures to support it fixedly this moment, thereby cause the transmission direction and the transmission angle of catapult frame comparatively fixed, do not have the performance of being convenient for adjust the transmission direction and the transmission angle of catapult frame, if rely on the manpower to change the operation of direction and the angle of whole catapult frame comparatively difficult, can increase people's operation dynamics, consequently propose a but unmanned aerial vehicle rotation angle's catapult frame in order to improve above-mentioned problem.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the invention is that the ejection direction and the ejection angle of the ejection rack in the prior art are relatively fixed, the ejection rack has no property of being convenient for adjusting the ejection direction and the ejection angle of the ejection rack, and if the operation of changing the direction and the angle of the whole ejection rack by manpower is difficult.
In order to solve the problems, the invention provides an ejection frame with a rotatable angle for a small unmanned aerial vehicle, which comprises a supporting underframe, wherein an installation base is fixedly arranged at one end of the top of the supporting underframe, a second installation groove is formed in the top of the installation base, an installation table is rotatably connected to the inner wall of the second installation groove through a pin shaft, a spherical groove is formed in the top of one side of the installation table, and the inner wall of the spherical groove is inserted into a universal ball seat;
The auxiliary supporting components are arranged at the bottoms of the outer walls of the two sides of the supporting underframe, and the bottoms of the auxiliary supporting components are flush with the bottoms of the supporting underframe;
the ejection frame body is fixedly connected with one end of the universal ball seat;
the ejection table is arranged in the ejection frame body in a sliding manner, and an unmanned aerial vehicle ejection frame is fixedly arranged at the top of the ejection table;
the ejection assembly is arranged between the outer wall of the ejection table and one end of the bottom of the ejection frame body;
the buffer component is arranged between one end of the ejection table and one end of the ejection frame body;
An elevation adjustment assembly disposed on the support chassis;
the direction adjusting assembly is arranged between the top of the elevation angle adjusting assembly and the bottom of the ejection frame body;
The elevation angle adjusting assembly comprises movable grooves formed in the inner walls of two sides of the supporting underframe, the two movable grooves are internally spliced with the same convex movable seat, the U-shaped movable seat is fixed at the top of the convex movable seat, hydraulic cylinders used for driving the U-shaped movable seat to move are fixedly arranged on two sides of the top of the supporting underframe, a second connecting groove is formed in the middle position of the bottom of the convex movable seat, the inner wall of the second connecting groove is rotationally connected with a connecting plate through a pin shaft, one end of the connecting plate is rotationally connected with a U-shaped frame through a pin shaft, one end of the U-shaped frame is fixedly provided with a main supporting plate, the bottoms of the two sides of the main supporting plate are rotationally connected with second pulleys through pin shafts, the second pulleys are slidably arranged in the movable grooves, a first mounting groove is formed in the middle position of the top of the main supporting plate, and the inner wall of the first mounting groove is rotationally connected with a mounting seat through the pin shaft;
The direction adjusting component comprises a supporting frame fixedly mounted at the top of the mounting seat, a forward-reverse motor is fixedly mounted on the inner wall of the supporting frame, a driving gear is fixedly mounted on an output shaft of the forward-reverse motor, an arc plate is fixedly mounted on one side of the bottom of the ejection frame body, the arc center of the arc plate coincides with the rotation center of the universal ball seat, tooth grooves distributed at equal distances are formed in one side bottom of the arc plate, the inner wall of the tooth grooves is meshed with the outer wall of the driving gear, a limiting disc is fixed on the top of the driving gear, a limiting groove is formed in one side top of the arc plate, and one end of the limiting disc is inserted into the limiting groove.
As a further supplement of the application, a scale ring is fixedly arranged at the circumference of the top of the supporting frame, a guide rod is fixedly arranged at one side of the outer wall of the limiting disc, the bottom of the guide rod corresponds to the position of the scale ring, and the indication number on the scale ring is an angle indication number.
As a further supplement of the application, the auxiliary supporting component comprises an embedded groove arranged at the bottoms of the outer walls of the two sides of the supporting underframe, one end of the inner wall of the embedded groove is connected with a first auxiliary supporting plate through a pin shaft in a rotating way, the two ends of the convex movable seat extend into the embedded groove, the two ends of the convex movable seat are connected with a second auxiliary supporting plate through a pin shaft in a rotating way, and one end of the second auxiliary supporting plate is connected with one end of the first auxiliary supporting plate through a pin shaft in a rotating way.
The ejection assembly comprises side plates fixedly arranged at two sides of one end of the bottom of the ejection frame body, driving rollers are rotatably connected between two opposite ends of the two side plates through pin shafts, the outer wall of each driving roller is in transmission connection with a driving belt, a driving motor for driving the driving belt and the driving rollers to rotate is fixedly arranged at one end of one side outer wall of one side plate, a pushing seat is fixedly arranged on the outer wall of each driving belt, an extrusion seat is fixedly arranged at the bottom of the ejection frame body, the position of each extrusion seat corresponds to the position of each pushing seat, a force storage spring is fixedly arranged between one end outer wall of the ejection frame body and one end inner wall of the ejection frame body, reinforcing columns are fixedly arranged at the middle positions of one end outer wall of the ejection frame body and one end inner wall of the ejection frame body, the force storage springs are sleeved on the reinforcing columns, first pulleys are rotatably connected to the outer walls of the two sides of the ejection frame body through pin shafts, and sliding grooves are formed in the two sides of the ejection frame body, and the first pulleys are arranged in the sliding grooves.
As another improvement of the application, the buffer component comprises impact seats fixedly arranged at one ends of the outer walls of the two sides of the ejection table, the impact seats are inserted into the sliding grooves, one sides of the inner walls of the two sliding grooves are respectively inserted into the buffer seats, one ends of the buffer seats are respectively fixedly provided with a buffer pad, the positions of the buffer pads correspond to the positions of the impact seats, guide rods are respectively fixed at the middle positions of the inner walls of one ends of the two sliding grooves, guide holes are formed in the middle positions of the buffer seats, one ends of the guide rods are inserted into the guide holes, and buffer springs sleeved on the outer walls of the guide rods are fixedly arranged between the inner walls of one ends of the sliding grooves and the outer walls of the other ends of the buffer seats.
As a further improvement of the application, positioning base holes are formed in four corners of the top of the supporting underframe, and positioning ground inserts are arranged in the positioning base holes.
In summary, by adopting the above structure, compared with the prior art, the invention has the following advantages:
1. According to the invention, the ejection frame body, the ejection assembly and the buffer assembly are adopted, the extrusion seat, the ejection table and the unmanned aerial vehicle ejection frame are driven to release and retract by the pushing seat in the movement state of the ejection assembly, and the power is provided by the power storage spring with strong elasticity, so that the unmanned aerial vehicle is conveniently and mechanically released, the released ejection table and the unmanned aerial vehicle ejection frame are conveniently pulled back to the initial ejection position without manpower, the operation difficulty of people is reduced, the ejection process can be buffered by adopting the buffer assembly when the ejection is carried out to the maximum displacement, the problem that the ejection assembly is damaged due to overlarge ejection force is avoided, the ejection impact noise is reduced to a certain extent, and the service life is prolonged;
2. According to the invention, the mounting table, the ball groove, the universal ball seat, the ejection frame body and the direction adjusting component are adopted, the ejection frame body is driven to horizontally rotate by taking the universal ball seat as an axle center through the direction adjusting component, and the horizontal directions of the ejection frame body and the ejection component are changed, so that the ejection frame of the whole unmanned aerial vehicle has the function of adjusting the horizontal emission direction;
3. according to the invention, the installation table, the ball groove, the universal ball seat, the ejection frame body and the elevation angle adjusting component are adopted, the elevation angle adjusting component drives the ejection frame body to perform elevation angle adjustment by taking the universal ball seat as an axis, and the vertical angles of the ejection frame body and the ejection component are changed, so that the whole small unmanned aerial vehicle ejection frame has the function of adjusting the longitudinal emission angle, the direction and the angle of the whole ejection frame are not required to be changed by manpower, and the operation force of people is reduced;
4. According to the invention, the supporting underframe, the elevation angle adjusting component and the auxiliary supporting component are adopted, so that the auxiliary supporting component is synchronously driven to be unfolded at two sides of the supporting underframe when the elevation angle adjusting component works, the supporting area of the whole catapulting frame is increased by matching the unfolded auxiliary supporting component with the supporting function of the supporting underframe, the supporting stability is improved, and the stability of the whole unmanned aerial vehicle catapulting frame is ensured;
5. The ejection rack has the advantages of integral automatic expansion and contraction performance and convenient storage.
Drawings
FIG. 1 is a view showing an expanded state of an ejector rack of a small unmanned aerial vehicle in a rotatable angle;
FIG. 2 is a front view of an angle rotatable ejector rack of the unmanned aerial vehicle;
FIG. 3 is a view showing a closed state of the ejector rack of the small unmanned aerial vehicle in a rotatable angle;
FIG. 4 is a schematic view of the auxiliary support assembly and elevation adjustment assembly of an angle rotatable ejector rack of a small unmanned aerial vehicle;
FIG. 5 is a schematic view of the structure of an embedded slot and a movable slot of an ejector rack of a small unmanned aerial vehicle with a rotatable angle;
FIG. 6 is a schematic view of a U-shaped movable seat and a connecting plate of an ejector rack of a small unmanned aerial vehicle with a rotatable angle;
Fig. 7 is a schematic diagram of a U-shaped frame and a second pulley of an ejector frame of a small unmanned aerial vehicle capable of rotating at an angle;
FIG. 8 is a schematic view of a structure of an ejector body and an ejector table of an ejector rotatable by an angle of a small unmanned aerial vehicle;
FIG. 9 is a schematic view of an ejection assembly of an angle rotatable ejection frame of a small unmanned aerial vehicle;
fig. 10 is a schematic structural view of a direction adjusting assembly of an ejector rack of a rotatable angle of a small unmanned aerial vehicle.
The reference numerals in the figures illustrate:
1. A support chassis; 2. an auxiliary support assembly; 201. an embedding groove; 202. a first auxiliary stay plate; 203. a second auxiliary stay plate; 3. an elevation adjustment assembly; 301. a hydraulic cylinder; 302. a U-shaped movable seat; 303. a convex movable seat; 304. a main support plate; 305. a first mounting groove; 306. a mounting base; 307. a movable groove; 308. a second pulley; 309. a connecting plate; 310. a U-shaped frame; 311. a second connecting groove; 4. positioning a base hole; 5. an ejection assembly; 501. a side plate; 502. a driving motor; 503. a drive belt; 504. a power storage spring; 505. a driving roller; 506. a pushing seat; 507. extruding a base; 508. reinforcing the column; 6. an ejector rack body; 7. an unmanned aerial vehicle ejection frame; 8. a direction adjustment assembly; 801. an arc-shaped plate; 802. a limit groove; 803. tooth slots; 804. a support frame; 805. a guide bar; 806. a drive gear; 807. a forward and reverse rotation motor; 808. a scale ring; 809. a limiting disc; 9. a mounting table; 10. a mounting base; 11. a buffer assembly; 1101. a buffer seat; 1102. a buffer spring; 1103. a cushion pad; 1104. a guide rod; 1105. a striking seat; 12. a spherical groove; 13. a universal ball seat; 14. a chute; 15. an ejection table; 16. a first pulley.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-10, the invention provides an ejection frame with a rotatable angle for a small unmanned aerial vehicle, which comprises a supporting underframe 1, wherein one end of the top of the supporting underframe 1 is fixedly provided with a mounting base 10, the top of the mounting base 10 is provided with a second mounting groove, the inner wall of the second mounting groove is rotationally connected with a mounting table 9 through a pin shaft, the top of one side of the mounting table 9 is provided with a spherical groove 12, and the inner wall of the spherical groove 12 is inserted into a universal ball seat 13;
the auxiliary supporting components 2 are arranged at the bottoms of the outer walls of the two sides of the supporting underframe 1, and the bottoms of the auxiliary supporting components 2 are flush with the bottoms of the supporting underframe 1;
The ejection frame body 6, one end of the ejection frame body 6 is fixedly connected with one end of the universal ball seat 13;
the ejection table 15 is arranged in the ejection frame body 6 in a sliding manner, and an unmanned aerial vehicle ejection frame 7 is fixedly arranged at the top of the ejection table 15;
The ejection assembly 5 is arranged between the outer wall of the ejection table 15 and one end of the bottom of the ejection frame body 6, the ejection assembly 5 comprises side plates 501 fixedly arranged at two sides of one end of the bottom of the ejection frame body 6, driving rollers 505 are rotatably connected between two opposite ends of the two side plates 501 through pin shafts, the outer wall of each driving roller 505 is in transmission connection with a driving belt 503, a driving motor 502 for driving the driving belt 503 and the driving rollers 505 to rotate is fixedly arranged at one outer wall of one side plate 501, a pushing seat 506 is fixedly arranged at the outer wall of one driving belt 503, an extrusion seat 507 is fixedly arranged at the bottom of the ejection table 15, a power storage spring 504 is fixedly arranged between the outer wall of one end of the ejection table 15 and the inner wall of one end of the ejection frame body 6, reinforcing columns 508 are fixedly arranged at the middle position of the outer wall of one end of the ejection table 15 and the inner wall of one end of the ejection frame body 6, the power storage spring 504 is sleeved on the reinforcing columns 508, first pulleys 16 are rotatably connected to the outer walls of two sides of the ejection table 15 through pin shafts, sliding grooves 14 are formed in the two sides of the ejection frame body 6, and the sliding grooves 14 are formed in the sliding grooves 14;
a buffer assembly 11, the buffer assembly 11 being disposed between one end of the ejector table 15 and one end of the ejector body 6;
an elevation angle adjusting assembly 3, the elevation angle adjusting assembly 3 being arranged on the support chassis 1;
a direction adjusting assembly 8, the direction adjusting assembly 8 being disposed between the top of the elevation angle adjusting assembly 3 and the bottom of the ejector body 6;
The elevation angle adjusting assembly 3 comprises movable grooves 307 formed in the inner walls of the two sides of the supporting underframe 1, the two movable grooves 307 and the inner part of the supporting underframe 1 are inserted with the same convex movable seat 303, the U-shaped movable seat 302 is fixed at the top of the convex movable seat 303, hydraulic cylinders 301 for driving the U-shaped movable seat 302 to move are fixedly arranged on the two sides of the top of the supporting underframe 1, a second connecting groove 311 is formed in the middle position of the bottom of the convex movable seat 303, the inner wall of the second connecting groove 311 is rotationally connected with a connecting plate 309 through a pin shaft, one end of the connecting plate 309 is rotationally connected with a U-shaped frame 310 through a pin shaft, one end of the U-shaped frame 310 is fixedly provided with a main supporting plate 304, the bottoms of the two sides of the main supporting plate 304 are rotationally connected with a second pulley 308 through a pin shaft, the second pulley 308 is slidably arranged in the inner part of the movable groove 307, a first mounting groove 305 is formed in the middle position of the top of the main supporting plate 304, and the inner wall of the first mounting groove 305 is rotationally connected with a mounting seat 306 through a pin shaft;
The direction adjusting component 8 comprises a supporting frame 804 fixedly arranged at the top of a mounting seat 306, a forward and reverse rotation motor 807 is fixedly arranged on the inner wall of the supporting frame 804, a driving gear 806 is fixedly arranged on the output shaft of the forward and reverse rotation motor 807, an arc plate 801 is fixedly arranged on one side of the bottom of the ejection frame body 6, the arc center of the arc plate 801 coincides with the rotation center of the universal ball seat 13, tooth grooves 803 which are equidistantly distributed are formed in the bottom of one side of the arc plate 801, the inner wall of the tooth grooves 803 are meshed with the outer wall of the driving gear 806, a limit disc 809 is fixedly arranged at the top of the driving gear 806, a limit groove 802 is formed in the top of one side of the arc plate 801, one end of the limit disc 809 is inserted into the limit groove 802, a scale ring 808 is fixedly arranged at the circumference of the top of the supporting frame 804, a guide rod 805 is fixedly arranged on one side of the outer wall of the limit disc 809, the bottom of the guide rod 805 corresponds to the position of the scale ring 808, and the indication number on the scale ring 808 is an angle indication number. As shown in fig. 1-10, the driving gear 806 is driven to rotate by the forward and backward rotation motor 807 in the direction adjusting component 8, the arc plate 801 and the ejection frame body 6 are driven to horizontally rotate by using the engagement effect of the driving gear 806 and the tooth slot 803 as the axle center, then the U-shaped movable seat 302 and the convex-shaped movable seat 303 are pulled to move on the supporting underframe 1 by the hydraulic cylinder 301 in the elevation angle adjusting component 3, the inclination of the main supporting plate 304 is changed, so that the direction adjusting component 8 and the ejection frame body 6 are driven to perform elevation angle adjustment by using the universal ball seat 13 as the axle center, the horizontal emission direction and the longitudinal emission angle of the ejection frame body 6 and the ejection component 5 are changed, and the angle of the ejection frame of the unmanned aerial vehicle is convenient to adjust.
In the invention, the auxiliary supporting component 2 comprises an embedded groove 201 arranged at the bottoms of the outer walls of two sides of the supporting underframe 1, one end of the inner wall of the embedded groove 201 is rotatably connected with a first auxiliary supporting plate 202 through a pin shaft, two ends of a convex movable seat 303 extend into the embedded groove 201, two ends of the convex movable seat 303 are rotatably connected with a second auxiliary supporting plate 203 through a pin shaft, and one end of the second auxiliary supporting plate 203 is rotatably connected with one end of the first auxiliary supporting plate 202 through a pin shaft. As shown in fig. 1-6, when the elevation angle adjusting assembly 3 works, the first auxiliary supporting plate 202 and the second auxiliary supporting plate 203 in the auxiliary supporting assembly 2 are synchronously driven to be unfolded at two sides of the supporting underframe 1, and the supporting area of the whole ejection frame is increased by matching with the supporting underframe 1, so that the stability of the whole unmanned aerial vehicle ejection frame is ensured.
In the invention, the buffer assembly 11 comprises impact seats 1105 fixedly arranged at one ends of the outer walls of the two sides of the ejection table 15, the impact seats 1105 are respectively inserted into the sliding grooves 14, one sides of the inner walls of the two sliding grooves 14 are respectively inserted into the buffer seats 1101, one ends of the buffer seats 1101 are respectively fixedly provided with a buffer pad 1103, the positions of the buffer pads 1103 correspond to the positions of the impact seats 1105, guide rods 1104 are respectively fixed at the middle positions of the inner walls of one ends of the two sliding grooves 14, guide holes are formed in the middle positions of the buffer seats 1101, one ends of the guide rods 1104 are respectively inserted into the guide holes, and buffer springs 1102 sleeved on the outer walls of the guide rods 1104 are fixedly arranged between the inner walls of one ends of the sliding grooves 14 and the outer walls of the other ends of the buffer seats 1101. As shown in fig. 2, 8 and 9, when the ejection table 15 is ejected to the maximum displacement, the impact seat 1105 will contact with the cushion pad 1103 and compress the cushion spring 1102, and at this time, the cushion pad 1103 and the cushion spring 1102 are adopted to cushion the ejection process, so as to avoid damage to the ejection assembly 5 caused by overlarge ejection force, reduce ejection impact noise to a certain extent, and improve the service life.
In the invention, positioning base holes 4 are respectively formed at four corners of the top of the supporting underframe 1, and positioning ground inserts are respectively arranged in the positioning base holes 4. As shown in fig. 1, 3, 4 and 5, the small unmanned aerial vehicle catapulting frame is inserted into the ground through the positioning base hole 4 in a positioning way and is inserted into the ground below the ground surface, so that the stability of the whole small unmanned aerial vehicle catapulting frame is fully ensured.
To sum up: when in use, the driving gear 806 is driven to rotate by the forward and backward motor 807 in the direction adjusting component 8, the arc plate 801 and the ejection frame body 6 are driven to horizontally rotate by taking the universal ball seat 13 as the axis by utilizing the meshing action of the driving gear 806 and the tooth groove 803, the horizontal direction of the ejection frame body 6 and the ejection component 5 is changed, the whole unmanned aerial vehicle ejection frame is adjusted to the required horizontal emission direction, the U-shaped movable seat 302 and the convex-shaped movable seat 303 are pulled to move on the supporting underframe 1 by the hydraulic cylinder 301 in the elevation angle adjusting component 3, the inclination of the main supporting plate 304 is changed, the direction adjusting component 8 and the ejection frame body 6 are driven to perform elevation angle adjustment by taking the universal ball seat 13 as the axis, the vertical angles of the ejection frame body 6 and the ejection component 5 are changed, the whole unmanned aerial vehicle ejection frame is adjusted to the required longitudinal emission angle, at this time, when the elevation angle adjusting component 3 works, the first auxiliary supporting plate 202 and the second auxiliary supporting plate 203 in the auxiliary supporting component 2 are synchronously driven to be unfolded at two sides of the supporting underframe 1, the unfolded auxiliary supporting component 2 is matched with the supporting underframe 1 to enlarge the supporting area of the whole ejection frame, the stability of the whole unmanned aerial vehicle ejection frame is ensured, finally, the unmanned aerial vehicle is placed in the unmanned aerial vehicle ejection frame 7, the driving motor 502 in the ejection component 5 is used for driving the driving roller 505, the driving belt 503 and the pushing seat 506 to rotate, when the pushing seat 506 is separated from the extrusion seat 507, the power is provided by the power accumulating spring 504 with very strong elasticity, the ejection table 15 and the unmanned aerial vehicle ejection frame 7 are driven to rapidly move on the ejection frame body 6, so that the unmanned aerial vehicle is mechanically released, when the ejection table 15 is ejected to the maximum displacement, the cushion 1103 and the buffer spring 1102 in the buffer component 11 are adopted for buffering the ejection process, the ejection assembly 5 is prevented from being damaged due to overlarge ejection force, ejection impact noise is reduced, then, the driving motor 502 is continuously utilized to drive the driving belt 503 and the pushing seat 506 to move, when the pushing seat 506 contacts with the released extrusion seat 507, the extrusion seat 507 is pressed to return to the initial ejection position, and accordingly the next small unmanned aerial vehicle ejection and take-off operation can be carried out.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (9)
1. The utility model provides a but small-size unmanned aerial vehicle rotation angle's catapult frame which characterized in that: the novel support comprises a support underframe (1), wherein an installation base (10) is fixedly arranged at one end of the top of the support underframe (1), a second installation groove is formed in the top of the installation base (10), an installation table (9) is rotatably connected to the inner wall of the second installation groove through a pin shaft, a spherical groove (12) is formed in the top of one side of the installation table (9), and the inner wall of the spherical groove (12) is inserted into a universal ball seat (13);
The auxiliary supporting component (2) is arranged at the bottoms of the outer walls of the two sides of the supporting underframe (1), and the bottom of the auxiliary supporting component (2) is flush with the bottom of the supporting underframe (1);
the ejection frame comprises an ejection frame body (6), wherein one end of the ejection frame body (6) is fixedly connected with one end of the universal ball seat (13);
The ejection table (15) is arranged in the ejection frame body (6) in a sliding manner, and an unmanned aerial vehicle ejection frame (7) is fixedly arranged at the top of the ejection table (15);
an ejection assembly (5), wherein the ejection assembly (5) is arranged between the outer wall of the ejection table (15) and one end of the bottom of the ejection frame body (6);
A buffer assembly (11), wherein the buffer assembly (11) is arranged between one end of the ejection table (15) and one end of the ejection frame body (6);
an elevation angle adjusting assembly (3), the elevation angle adjusting assembly (3) being arranged on the supporting underframe (1);
A direction adjusting assembly (8), wherein the direction adjusting assembly (8) is arranged between the top of the elevation angle adjusting assembly (3) and the bottom of the catapult frame body (6);
The elevation angle adjusting assembly (3) comprises movable grooves (307) formed in the inner walls of the two sides of the supporting underframe (1), the two movable grooves (307) are internally spliced with the same convex movable seat (303) and the inside of the supporting underframe (1), the U-shaped movable seat (302) is fixedly arranged at the top of the convex movable seat (303), hydraulic cylinders (301) used for driving the U-shaped movable seat (302) to move are fixedly arranged on the two sides of the top of the supporting underframe (1), a second connecting groove (311) is formed in the middle position of the bottom of the convex movable seat (303), a connecting plate (309) is rotatably connected with the inner wall of the second connecting groove (311) through a pin shaft, one end of the connecting plate (309) is rotatably connected with a U-shaped frame (310) through a pin shaft, one end of the U-shaped frame (310) is fixedly provided with a main supporting plate (304), the bottoms of the two sides of the main supporting plate (304) are rotatably connected with second pulleys (308) through the pin shaft, the second pulleys (308) are slidably arranged in the inner parts of the movable grooves (307), a first mounting groove (305) is formed in the middle position of the top of the main supporting plate (304), and the first mounting groove (305) is rotatably connected with the first mounting groove (305) through the pin shaft;
The direction adjusting component (8) comprises a supporting frame (804) fixedly installed at the top of the installation seat (306), a forward and reverse rotation motor (807) is fixedly installed on the inner wall of the supporting frame (804), a driving gear (806) is fixedly installed on the output shaft of the forward and reverse rotation motor (807), an arc plate (801) is fixedly installed on one side of the bottom of the ejection frame body (6), the arc center of the arc plate (801) coincides with the rotation center of the universal ball seat (13), tooth grooves (803) distributed at equal distances are formed in the bottom of one side of the arc plate (801), and the inner wall of each tooth groove (803) is meshed with the outer wall of the driving gear (806).
2. The unmanned aerial vehicle rotatable angle ejection frame according to claim 1, wherein: a limiting disc (809) is fixed at the top of the driving gear (806), a limiting groove (802) is formed in the top of one side of the arc-shaped plate (801), and one end of the limiting disc (809) is inserted into the limiting groove (802).
3. The unmanned aerial vehicle rotatable angle's catapult according to claim 2, wherein: a scale ring (808) is fixedly arranged at the circumference of the top of the supporting frame (804), a guide rod (805) is fixedly arranged on one side of the outer wall of the limiting disc (809), the bottom of the guide rod (805) corresponds to the position of the scale ring (808), and the indication number on the scale ring (808) is an angle indication number.
4. A rotatable angle ejector rack for a small unmanned aerial vehicle according to claim 3, wherein: the auxiliary support assembly (2) comprises an embedded groove (201) formed in the bottoms of the outer walls of two sides of the support underframe (1), one end of the inner wall of the embedded groove (201) is connected with a first auxiliary supporting plate (202) through a pin shaft in a rotating mode, two ends of the convex movable seat (303) extend to the inside of the embedded groove (201), two ends of the convex movable seat (303) are connected with a second auxiliary supporting plate (203) through pin shafts in a rotating mode, and one end of the second auxiliary supporting plate (203) is connected with one end of the first auxiliary supporting plate (202) through a pin shaft in a rotating mode.
5. The unmanned aerial vehicle rotatable angle's catapult according to claim 4, wherein: the ejector assembly (5) comprises side plates (501) fixedly mounted on two sides of one end of the bottom of the ejector frame body (6), driving rollers (505) are connected between two opposite ends of two side plates (501) through pin shafts in a rotating mode, driving belts (503) are connected to the outer wall of the driving rollers (505) in a transmission mode, driving motors (502) used for driving the driving belts (503) and the driving rollers (505) to rotate are fixedly mounted on one outer wall of one side plate (501), pushing seats (506) are fixedly mounted on the outer wall of one side of the driving belt (503), extrusion seats (507) are fixedly mounted on the bottom of the ejector table (15), positions of the extrusion seats (507) correspond to positions of the pushing seats (506), and a power storage spring (504) is fixedly mounted between one end outer wall of the ejector table (15) and one end inner wall of the ejector frame body (6).
6. The unmanned aerial vehicle rotatable angle's catapult according to claim 5, wherein: the middle position of the outer wall of one end of the ejection table (15) and the middle position of the inner wall of one end of the ejection frame body (6) are both fixed with a reinforcing column (508), and the force-accumulating spring (504) is sleeved on the reinforcing column (508).
7. The unmanned aerial vehicle rotatable angle's catapult according to claim 6, wherein: the outer walls of two sides of the ejection table (15) are respectively connected with a first pulley (16) through pin shafts in a rotating mode, two sides of the ejection frame body (6) are respectively provided with a sliding groove (14), and the first pulleys (16) are arranged in the sliding grooves (14) in a sliding mode.
8. The unmanned aerial vehicle rotatable angle's catapult according to claim 7, wherein: the buffer assembly (11) comprises impact seats (1105) fixedly mounted on one ends of the outer walls of two sides of the ejection table (15), the impact seats (1105) are inserted into the sliding grooves (14), one sides of the inner walls of the two sliding grooves (14) are inserted into the buffer seats (1101), one ends of the buffer seats (1101) are fixedly provided with buffer pads (1103), the positions of the buffer pads (1103) correspond to those of the impact seats (1105), guide rods (1104) are fixedly arranged in the middle positions of the inner walls of one ends of the sliding grooves (14), guide holes are formed in the middle positions of the buffer seats (1101), one ends of the guide rods (1104) are inserted into the guide holes, and buffer springs (1102) sleeved on the outer walls of the guide rods (1104) are fixedly mounted between the inner walls of one ends of the sliding grooves (14) and the outer walls of the other ends of the buffer seats (1101).
9. The unmanned aerial vehicle rotatable angle ejection frame according to claim 1, wherein: positioning base holes (4) are formed in four corners of the top of the supporting underframe (1).
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| CN202410716299.4A CN118270277B (en) | 2024-06-04 | 2024-06-04 | Small unmanned aerial vehicle rotatable angle's catapult frame |
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| CN202410716299.4A CN118270277B (en) | 2024-06-04 | 2024-06-04 | Small unmanned aerial vehicle rotatable angle's catapult frame |
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| CN109436364A (en) * | 2018-10-22 | 2019-03-08 | 南京航空航天大学 | A kind of device and method continuously emitted for unmanned plane |
| CN216916333U (en) * | 2022-01-26 | 2022-07-08 | 潍坊飞锐航空科技有限公司 | Unmanned aerial vehicle jettison device |
| CN220616237U (en) * | 2023-09-06 | 2024-03-19 | 山东天锟科技有限公司 | Program controlled unmanned aerial vehicle catapult release device |
| CN117922869A (en) * | 2024-03-13 | 2024-04-26 | 北京中航万通机电工程股份有限公司 | Unmanned plane catapult |
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| CN109436364A (en) * | 2018-10-22 | 2019-03-08 | 南京航空航天大学 | A kind of device and method continuously emitted for unmanned plane |
| CN216916333U (en) * | 2022-01-26 | 2022-07-08 | 潍坊飞锐航空科技有限公司 | Unmanned aerial vehicle jettison device |
| CN220616237U (en) * | 2023-09-06 | 2024-03-19 | 山东天锟科技有限公司 | Program controlled unmanned aerial vehicle catapult release device |
| CN117922869A (en) * | 2024-03-13 | 2024-04-26 | 北京中航万通机电工程股份有限公司 | Unmanned plane catapult |
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