CN210424327U - Heavy-load cradle head of auxiliary positioning small aircraft - Google Patents
Heavy-load cradle head of auxiliary positioning small aircraft Download PDFInfo
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- CN210424327U CN210424327U CN201921323517.9U CN201921323517U CN210424327U CN 210424327 U CN210424327 U CN 210424327U CN 201921323517 U CN201921323517 U CN 201921323517U CN 210424327 U CN210424327 U CN 210424327U
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Abstract
The utility model discloses a heavy-load cradle head of an auxiliary positioning small aircraft, which comprises a pitching device, an upper shell, a lower shell and a base; the pitching device consists of a pitching arm and a bearing platform positioned above the pitching arm, and the interference equipment and the monitoring equipment are fixed on the bearing platform; the upper shell and the lower shell are hermetically connected and hollow inside; the pitching arm is positioned outside the upper shell, a pitching control mechanism is arranged in the upper shell, and the pitching arm is fixedly connected with the pitching control mechanism; the lower shell is internally provided with a horizontal rotation control mechanism which is fixedly connected with the base, and the lower shell is rotatably connected with the base. The pitching control mechanism consists of a middle support, a worm gear, a worm, a horizontal shaft, a coupler, a first motor and two sleeves, and the horizontal rotation control mechanism consists of a large gear, a small gear, a second motor and a vertical shaft. The problem of interference direction when interference equipment follows the aircraft that flies black, interference direction adjustment has the time difference and follows inaccurate and cause the aircraft that can not accurately disturb flies is solved.
Description
Technical Field
The utility model belongs to the aircraft control anti-system equipment field relates to a heavy load cloud platform of auxiliary positioning miniature aircraft.
Background
With the continuous development of the unmanned aerial vehicle technology, the unmanned aerial vehicles with various functions are new, the performance is better, and tasks with high difficulty and more complexity can be completed. At the same time, the problem of black fly is also serious. The purpose of the black flies is to illegally obtain important information, which poses a great threat to places with higher requirements on density and safety, such as nuclear power stations. At present, the means of dealing with "black flying" is more single and loaded down with trivial details, mainly lean on radar monitoring, and utilize interference equipment to disturb and handle, make aircraft such as unmanned aerial vehicle hover or return a voyage, but current interference equipment's interference direction adjustment is untimely, cause can not be accurate disturb aircraft such as unmanned aerial vehicle, and can have the processing time difference, interference equipment can not be fine follow the aircraft promptly, give some to have bad purpose people enough time, illegal acquisition information or destruction facility, can probably cause immeasurable loss to the place that possesses high secret and high security requirement.
Disclosure of Invention
An object of the utility model is to provide a heavy load cloud platform of auxiliary positioning small aircraft to solve when current interference equipment follows the aircraft that flies black interference direction adjust have the time difference and follow inaccurate and cause can not be accurate carry out the problem of disturbing to the aircraft that flies black.
The technical scheme adopted by the utility model is that the heavy-load cradle head of the auxiliary positioning small aircraft comprises a pitching device, an upper shell, a lower shell and a base, wherein the pitching device bears interference equipment and monitoring equipment;
the pitching device consists of a pitching arm and a bearing platform which is positioned above the pitching arm and is fixedly connected with the pitching arm, and the interference equipment and the monitoring equipment are fixed on the bearing platform;
the upper shell and the lower shell are connected in a sealing way, and the interiors of the upper shell and the lower shell are hollow; the pitching arm is positioned outside the upper shell, a pitching control mechanism is arranged in the upper shell, and the pitching arm is fixedly connected with the pitching control mechanism; the lower shell is internally provided with a horizontal rotation control mechanism which is fixedly connected with the base, and the lower shell is rotatably connected with the base.
Further, the pitching device comprises two pitching arms;
the pitching control mechanism consists of a middle support, a worm gear, a worm, a horizontal shaft, a coupler, a first motor and two sleeves; the middle support is an H-shaped support, two side walls of the upper half part of the middle support are respectively provided with a shaft hole, and the two shaft holes are coaxially arranged; the middle support is sleeved at the center of the horizontal shaft through a shaft hole on the middle support, and the horizontal shaft can rotate in the shaft hole of the middle support; the two ends of the horizontal shaft are fixedly sleeved with sleeves, an upper shell through hole corresponding to the sleeves is formed in the upper shell, the horizontal shaft is horizontally embedded in the upper shell through the sleeves at the two ends of the horizontal shaft and the upper shell through hole in the upper shell, and the sleeves can rotate in the upper shell through holes; the worm wheel is fixedly sleeved at one end of the horizontal shaft, the worm wheel is fixedly connected with one pitching arm through a sleeve close to the worm wheel and an upper shell through hole, and the other end of the horizontal shaft is fixedly connected with the other pitching arm through the other sleeve and the other upper shell through hole;
the worm is vertically arranged, the spiral line rotating direction of the worm is the same as that of the worm wheel, and the worm is meshed with the worm wheel; the worm is movably connected with the middle support and fixedly connected with the first motor through a coupler;
the middle support and the first motor are both fixed on the lower shell.
Furthermore, a first cantilever beam and a second cantilever beam are arranged on the side wall of the middle support close to the worm wheel, the first cantilever beam is positioned above the second cantilever beam, a first bearing seat is fixed on the first cantilever beam, a second bearing seat is fixed on the second cantilever beam, the first bearing seat and the second bearing seat are coaxially and oppositely arranged, one end of the worm penetrates through the first bearing seat through a first angular contact bearing, the inner ring of the first angular contact bearing is fixedly connected with the worm, and the outer ring of the first angular contact bearing is fixedly connected with the first bearing seat; the other end of the worm penetrates through the second bearing seat through another first angular contact bearing and then is fixedly connected with the first motor through the coupler, the inner ring of the other first angular contact bearing is fixedly connected with the worm, and the outer ring of the other first angular contact bearing is fixedly connected with the second bearing seat.
Furthermore, a second angular contact bearing is nested in each shaft hole of the middle support, the middle support is sleeved at the central position of the horizontal shaft through the shaft hole on the middle support and the second angular contact bearing in the shaft hole, the outer ring of the second angular contact bearing is fixedly connected with the shaft hole of the middle support, and the inner ring of the second angular contact bearing is fixedly connected with the horizontal shaft.
Further, the diameter of the sleeve is smaller than the reference circle diameter of the worm wheel; the worm wheel is provided with a worm wheel threaded hole, the worm wheel passes through the worm wheel threaded hole and is connected with the pitching arm close to the worm wheel threaded hole through a sleeve through a bolt, and the pitching arm is correspondingly provided with a pitching arm through hole corresponding to the worm wheel threaded hole.
Furthermore, the base is hollow and is divided into two parts, namely a base upper section and a base lower section, the base upper section is positioned in the lower shell and is fixedly connected with the horizontal rotation control mechanism, and the base lower section is positioned at the bottom of the lower shell and is rotatably connected with the lower shell;
the bottom of the lower shell is fixed with a lower shell bottom plate through bolts, the lower shell and the lower shell bottom plate are sleeved on the upper section of the base, and the bottom surface of the lower shell bottom plate is connected with the lower section of the base.
Furthermore, the horizontal rotation control mechanism consists of a large gear, a small gear, a second motor and a vertical shaft, the large gear is fixed at the top of the upper section of the base, an upper thrust bearing is arranged on the lower shell, a lower thrust bearing is arranged between the lower shell and the large gear, one end of the vertical shaft penetrates through the large gear and is fixedly connected with the base, the other end of the vertical shaft penetrates through the lower thrust bearing, the lower shell and the upper thrust bearing in sequence, and a vertical shaft flange connected with the upper thrust bearing is arranged at one end of the vertical shaft penetrating through the upper thrust bearing;
the second motor is fixed on the bottom plate of the lower shell and is fixedly connected with the small gear through a motor thrust bearing, the small gear and the large gear are positioned on the same horizontal plane and are meshed with each other.
Furthermore, the outer ring of the motor thrust bearing is fixedly embedded in the pinion, and the inner ring of the motor thrust bearing is fixedly connected with the second motor;
the second motor is connected with the pinion in a key mode.
Furthermore, the first motor and the second motor both adopt servo motors;
the coupling adopts an elastic coupling.
Furthermore, a base flange is arranged at the edge of the bottom of the base and is used for fixedly connecting with a component at the lower part of the base;
the bottom edge of the middle support is provided with a middle support flange, and the middle support is fixedly connected with the lower shell through the middle support flange;
the connection parts of the pitching arm, the upper shell, the lower shell and the bottom plate of the lower shell are all provided with sealing gaskets;
and anti-loosening glue is coated on the bolt connection part.
The beneficial effects of the utility model are that, set up the worm gear structure to it rotates to drive the worm rotatory worm wheel that drives through first motor, and the worm wheel drives the luffing jib and rotates, has realized the luffing motion of luffing jib. Through setting up intermeshing's gear wheel and pinion to fixed gear wheel and base, adopt the key-type connection with pinion and second motor, make the pinion rotate around the gear wheel, the pinion becomes a planet wheel promptly, and its rotation drives second motor and lower shell and rotates, and then drives the whole slewing motion that carries out around the z axle of last shell, every single move arm isotructure of fixing on lower shell, has realized the slewing motion of every single move arm. And then the pitching motion and the rotating motion of the interference equipment and the monitoring equipment on the auxiliary pitching device are realized, and the small aircraft is positioned in an auxiliary manner. The first motor and the second motor are servo motors, so that the real-time performance, the position precision and the accuracy of interference direction adjustment are guaranteed, the thrust bearing and the angular contact bearing are arranged at the corresponding positions of the pitching control mechanism and the horizontal rotation control mechanism, the rotation friction is reduced, and the rotation speed is guaranteed. The problem that the existing interference equipment cannot accurately interfere with the black flying aircraft due to the fact that time difference exists in interference direction adjustment when the existing interference equipment follows the black flying aircraft and following is inaccurate is effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the main view structure diagram of the heavy-load cradle head of the auxiliary positioning small aircraft.
Fig. 2 is the utility model discloses a left side of auxiliary positioning small aircraft's heavy load cloud platform looks structural diagram.
Fig. 3 is the utility model discloses an auxiliary positioning small aircraft's heavy load cloud platform's last shell inner structure schematic diagram.
Fig. 4 is the utility model discloses an inside left side view structure schematic diagram of lower shell of auxiliary positioning small aircraft's heavy load cloud platform.
Fig. 5 is the utility model discloses an inside left side view structure schematic diagram of last shell of auxiliary positioning small aircraft's heavy load cloud platform.
Fig. 6 is the utility model discloses an inside main view structure schematic diagram of lower shell of auxiliary positioning small aircraft's heavy load cloud platform.
In the figure, 1, a pitch arm, 2, an upper shell, 3, a lower shell, 3-1, a lower shell bottom plate, 4, a base, 5, an intermediate support, 5-1, a first cantilever beam, 5-2, a second cantilever beam, 5-3, a first bearing seat, 5-4, a second bearing seat, 6, a worm wheel, 6-1, a worm wheel threaded hole, 7, a worm, 8, a horizontal shaft, 9, a first angle contact bearing, 10, a coupler, 11, a first motor, 12, a big gear, 13, a small gear, 14, a second motor, 15, a vertical shaft, 15-1, a vertical shaft flange, 16, an upper thrust bearing, 17, a lower thrust bearing, 18, a sleeve, 19, a second angular contact bearing and 20, a motor thrust bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An auxiliary positioning small aircraft heavy load holder is shown in figures 1-2 and comprises a pitching device, an upper shell 2, a lower shell 3 and a base 4, wherein the pitching device bears interference equipment and monitoring equipment of the small aircraft, the pitching device performs pitching motion and horizontal rotation, the interference equipment and the monitoring equipment are driven to perform corresponding motion, and the interference equipment and the monitoring equipment are assisted to position the small aircraft.
The pitching arm device consists of two pitching arms 1 and a bearing platform which is positioned above the pitching arms 1 and is fixedly connected with the pitching arms, and the interference equipment and the monitoring equipment are fixed on the bearing platform. The upper shell 2 does not carry loads but serves to protect the internal structure from rain and dirt. The upper casing 2 and the lower casing 3 are hermetically connected and are hollow inside. Be equipped with every single move control mechanism in going up shell 2, every single move arm 1 is located the shell 2 outsidely, every single move arm 1 and every single move control mechanism fixed connection. The lower shell 3 is internally provided with a horizontal rotation control mechanism which is fixedly connected with the base 4, and the lower shell 3 is rotatably connected with the base 4. Specifically, the base 4 is a hollow rotary part with a certain wall thickness, and is divided into an upper base section and a lower base section, the upper base section is located in the lower housing 3 and is fixedly connected with the horizontal rotation control mechanism, and the lower base section is located at the bottom of the lower housing 3 and is rotatably connected with the lower housing 3.
The bottom of the lower shell 3 is fixed with a lower shell bottom plate 3-1 through bolts, the lower shell 3 and the lower shell bottom plate 3-1 are sleeved on the upper section of the base, the lower shell bottom plate 3-1 is arranged on the lower section of the base, and the lower shell 3 and the lower shell bottom plate 3-1 can horizontally rotate along the upper section of the base 4. As shown in figure 6, a circular groove is arranged on the upper surface of the lower section of the base and used for accommodating the bolts for connecting the lower shell 3 and the lower shell bottom plate 3-1, so that the lower shell 3 and the lower shell bottom plate 3-1 are not influenced by the fixed bolts when horizontally rotating along the base 4.
As shown in fig. 3 and 5, the pitch control mechanism is composed of an intermediate support 5, a worm wheel 6, a worm 7, a horizontal shaft 8, a coupling 10, a first motor 11 and two sleeves 18. Middle support 5 is fixed on lower shell 3, and middle support 5 is an H type support, all is equipped with a shaft hole on two lateral walls of its upper half, and these two shaft hole coaxial settings, every shaft hole nestification has a second angular contact bearing 19, and middle support 5 cup joints the central point at horizontal axis 8 through the second angular contact bearing 19 in the shaft hole and the shaft hole on its upper half lateral wall, specifically, the outer lane of second angular contact bearing 19 and the shaft hole fixed connection of middle support 5, the inner circle and the horizontal axis 8 fixed connection of second angular contact bearing 19. Through setting up second angular contact bearing 19, the rotational friction of horizontal axis 8 and middle support 5 has been reduced, horizontal axis 8's slew velocity has been guaranteed, the direction following timeliness of this heavily loaded cloud platform has been guaranteed, horizontal axis 8's both ends are all fixed to be cup jointed a sleeve 18, go up be equipped with on the shell 2 with sleeve 18 assorted last shell through-hole, horizontal axis 8 inlays in last shell 2 through sleeve 18 at its both ends, through sleeve 18, horizontal axis 8's rotation has both been guaranteed, with every single move arm 1 and horizontal axis 8 fixed connection again, compare with conventional connection method, connecting part has been reduced. The worm wheel 6 is fixedly sleeved at one end of the horizontal shaft 8, the worm wheel 6 is connected with one pitching arm 1 through a sleeve 18 sleeved at the end of the horizontal shaft 8 and an upper shell through hole corresponding to the sleeve 18 through a bolt, and the other end of the horizontal shaft 8 is connected with the other pitching arm 1 through a sleeve 18 sleeved at the end and an upper shell through hole corresponding to the sleeve 18 through a bolt. Specifically, a worm wheel threaded hole 6-1 is tapped on the worm wheel 6, the worm wheel 6 is connected with the pitching arm 1 at the end of the horizontal shaft 8 through the worm wheel threaded hole 6-1 through a sleeve 18 through a bolt, and a pitching arm through hole correspondingly connected with the worm wheel threaded hole 6-1 is correspondingly arranged on the pitching arm 1. A worm wheel threaded hole 6-1 is directly tapped on the worm wheel 6, a pitching arm through hole is directly punched on the pitching arm, the worm wheel 6 is directly connected with the external pitching arm 1, and the worm wheel is prevented from being in key connection with the central shaft. The sleeve 18 can rotate in the through hole of the upper shell under the drive of the horizontal shaft 8. The diameter of the sleeve 18 is smaller than the pitch circle diameter of the worm wheel 6.
The side wall of the middle support 5 close to the worm wheel 6 is provided with a first cantilever beam 5-1 and a second cantilever beam 5-2, the first cantilever beam 5-1 is positioned above the second cantilever beam 5-2, the first cantilever beam 5-1 is fixed with a first bearing seat 5-3, the second cantilever beam 5-2 is fixed with a second bearing seat 5-4, the first bearing seat 5-3 and the second bearing seat 5-4 are coaxially arranged oppositely, one end of the worm 7 penetrates through the first bearing seat 5-3 through a first angular contact bearing 9 sleeved on the worm 7, the inner ring of the first angular contact bearing 9 is fixedly connected with the worm 7, and the outer ring of the first angular contact bearing is fixedly connected with the first bearing seat 5-3. The other end of the worm 7 penetrates through the second bearing seat 5-4 through the other first angular contact bearing 9 sleeved on the other end of the worm 7 and then is fixedly connected with the first motor 11 through the coupler 10, the inner ring of the first angular contact bearing 9 is fixedly connected with the worm 7, the outer ring of the first angular contact bearing is fixedly connected with the second bearing seat 5-4, the spiral lines of the worm 7 and the worm wheel 6 rotate in the same direction, the worm 7 is meshed with the worm wheel 6, and the arrangement of the first angular contact bearing 9 ensures the rotation timeliness and the rotation speed of the worm 7 under the driving of the second motor 14, so that the direction following effect is further ensured.
The first motor 11 is started, the first motor 11 drives the worm 7 to rotate through the coupler 10, the worm 7 drives the worm wheel 6 to rotate in the vertical direction, and then the horizontal shaft 8 fixedly connected with the worm wheel 6 is driven to rotate, so that the pitching arm 1 carries out pitching motion, and the interference device and the monitoring device are matched to position the small aircraft. In this embodiment, the coupling 10 is an elastic coupling for transmitting torque accurately.
As shown in fig. 4 and 6, the horizontal rotation control mechanism is composed of a large gear 12, a small gear 13, a second motor 14, and a vertical shaft 15, the large gear 12 is fixed on the top of the upper section of the base 4, an upper thrust bearing 16 is arranged on the lower housing 3, a lower thrust bearing 17 is arranged between the lower housing 3 and the large gear 12, one end of the vertical shaft 15 penetrates through the large gear 12 and is fixedly connected with the base 4, the other end of the vertical shaft 15 penetrates through the lower thrust bearing 17, the lower housing 3 and the upper thrust bearing 16 in sequence, a vertical shaft flange 15-1 connected with the upper thrust bearing 16 is arranged at one end of the vertical shaft 15 penetrating through the upper thrust bearing 16, and the vertical shaft flange 15-1 is used for being. Specifically, the vertical shaft 15 is threaded therein and is screwed to the base 4 by means of nuts, thereby connecting the upper thrust bearing 16, the lower housing 3, the lower thrust bearing 17 and the large gear 12 together. Because of vertical axle 15 and base 4 fixed connection, set up reasoning bearing 16 and lower thrust bearing 17 for lower shell 3 can carry out rotary motion around vertical axle 15 under the drive of pinion 13, and has reduced the running friction, has guaranteed slew velocity, has further ensured that the direction follows the promptness.
The second motor 14 is fixed on the lower housing bottom plate 3-1 and is fixedly connected with the pinion 13 through a motor thrust bearing 20, specifically, the second motor 14 is in key connection with the pinion 13, the outer ring of the motor thrust bearing 20 is embedded in the pinion 13, and the inner ring of the motor thrust bearing is fixedly connected with the second motor 14. The pinion 13 and the gearwheel 12 are located on the same horizontal plane and are meshed with each other.
The large gear 12 and the base 4 are fixed together, the second motor 14 is started, the large gear 12 is fixed on the base 4, the small gear 13 rotates around the large gear 12 under the meshing of the large gear 12, namely the small gear 13 becomes a planet gear, the rotation of the planet gear drives the second motor 14 and the lower shell 3 to rotate, and further drives the whole of the upper shell 2, the pitching arm 1 and the like fixed on the lower shell 3 to perform rotary motion around the z axis.
The edge of the bottom of the base 4 is provided with a base flange which is fixedly connected with the radar mounting rack at the lower part. The edge of the bottom of the middle support 5 is provided with a middle support flange, and the middle support 5 is fixedly connected with the lower shell 3 through the middle support flange.
The utility model discloses well this heavy load cloud platform is used for auxiliary positioning small aircraft, will realize real-time following and interference, and control system must be closed loop system, and based on this requirement, first motor 11 and second motor 14 all adopt the servo motor machine and are furnished with encoder and controller to realize location and feedback control. And the speed of the servo motor is controllable, and the position precision is high.
Because of the utility model discloses a heavy load cloud platform is used for outdoor, consequently has certain requirement to its protection level, must protect all parts and handle. The utility model discloses well all main parts are protecting sheathing, contain shell 2, lower shell 3, lower shell bottom plate 3-1, and the complete machine is the closure structure, and the Protection level can reach IP54 (IP is the abbreviation of Ingress Protection, and the IP level is the Protection level to the electrical equipment shell invasion to the foreign matter). Micro gaps which are contacted with the outside can be formed at the joint parts of the pitching arm 1, the upper shell 2, the lower shell 3 and the lower shell base plate 3-1, and micro dust or water can enter the joint parts, and sealing gaskets are completely arranged at the micro gaps, so that the protection grade of the whole machine reaches IP 65. Anti-loosening glue is coated on all bolt connection and threaded connection places, so that threaded connection looseness can be prevented, small gaps can be covered, and the protection level is improved. The upper shell 2, the lower shell 3 and the lower shell bottom plate 3-1 form the protective cover of the heavy-load cradle head, all parts are painted to prevent rusting and are beneficial to concealed monitoring, the protective cover effectively reduces the rotation noise of the cradle head, and meanwhile, the surfaces of all the parts of the protective cover are subjected to anti-static treatment, so that dust adsorption can be prevented.
It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The heavy-load cradle head of the auxiliary positioning small aircraft is characterized by comprising a pitching device, an upper shell (2), a lower shell (3) and a base (4), wherein the pitching device bears interference equipment and monitoring equipment;
the pitching device consists of a pitching arm (1) and a bearing platform which is positioned above the pitching arm (1) and is fixedly connected with the pitching arm, and the interference equipment and the monitoring equipment are fixed on the bearing platform;
the upper shell (2) and the lower shell (3) are connected in a sealing way, and the interiors of the upper shell and the lower shell are hollow; the pitching arm (1) is positioned outside the upper shell (2), a pitching control mechanism is arranged in the upper shell (2), and the pitching arm (1) is fixedly connected with the pitching control mechanism; a horizontal rotation control mechanism is arranged in the lower shell (3), the horizontal rotation mechanism is fixedly connected with the base (4), and the lower shell (3) is rotatably connected with the base (4).
2. The heavy-duty head for an assisted positioning small aircraft according to claim 1, characterized in that said pitching means comprise two pitching arms (1);
the pitching control mechanism consists of a middle support (5), a worm wheel (6), a worm (7), a horizontal shaft (8), a coupler (10), a first motor (11) and two sleeves (18); the middle support (5) is an H-shaped support, two side walls of the upper half part of the middle support are respectively provided with a shaft hole, and the two shaft holes are coaxially arranged; the middle support (5) is sleeved at the center of the horizontal shaft (8) through a shaft hole on the middle support, and the horizontal shaft (8) can rotate in the shaft hole of the middle support (5); sleeves (18) are fixedly sleeved at two ends of the horizontal shaft (8), an upper shell through hole corresponding to the sleeve (18) is formed in the upper shell (2), the horizontal shaft (8) is horizontally embedded in the upper shell (2) through the sleeves (18) at the two ends of the horizontal shaft and the upper shell through hole in the upper shell (2), and the sleeve (18) can rotate in the upper shell through hole; the worm wheel (6) is fixedly sleeved at one end of the horizontal shaft (8), the worm wheel (6) is fixedly connected with one pitching arm (1) through a sleeve (18) close to the worm wheel and an upper shell through hole, and the other end of the horizontal shaft (8) is fixedly connected with the other pitching arm (1) through another sleeve (18) and another upper shell through hole;
the worm (7) is vertically arranged, the spiral line rotating direction of the worm (7) is the same as that of the worm wheel (6), and the worm (7) is meshed with the worm wheel (6); the worm (7) is movably connected with the middle support (5), and the worm (7) is fixedly connected with a first motor (11) through a coupler (10);
the middle support (5) and the first motor (11) are both fixed on the lower shell (3).
3. The heavy-duty tripod head for assisting in positioning a small aircraft according to claim 2, wherein a first cantilever beam (5-1) and a second cantilever beam (5-2) are arranged on the side wall of the intermediate support (5) close to the worm wheel (6), the first cantilever beam (5-1) is located above the second cantilever beam (5-2), a first bearing seat (5-3) is fixed on the first cantilever beam (5-1), a second bearing seat (5-4) is fixed on the second cantilever beam (5-2), the first bearing seat (5-3) and the second bearing seat (5-4) are coaxially arranged in an opposite manner, one end of the worm (7) penetrates through the first bearing seat (5-3) through a first angular contact bearing (9), and the inner ring of the first angular contact bearing (9) is fixedly connected with the worm (7), the outer ring of the bearing is fixedly connected with a first bearing seat (5-3); the other end of the worm (7) penetrates through the second bearing seat (5-4) through another first angular contact bearing (9) and then is fixedly connected with a first motor (11) through a coupler (10), the inner ring of the other first angular contact bearing (9) is fixedly connected with the worm (7), and the outer ring of the other first angular contact bearing is fixedly connected with the second bearing seat (5-4).
4. The heavy-duty tripod head for assisting in positioning of a small aircraft according to claim 2, wherein a second angular contact bearing (19) is nested in each shaft hole of the intermediate support (5), the intermediate support (5) is sleeved at a central position of the horizontal shaft (8) through the shaft hole thereon and the second angular contact bearing (19) in the shaft hole, an outer ring of the second angular contact bearing (19) is fixedly connected with the shaft hole of the intermediate support (5), and an inner ring of the second angular contact bearing (19) is fixedly connected with the horizontal shaft (8).
5. The heavy-duty head for auxiliary positioning of a small aircraft according to claim 2, characterized in that said sleeve (18) has a diameter smaller than the pitch circle diameter of the worm gear (6); a worm wheel threaded hole (6-1) is tapped on the worm wheel (6), the worm wheel (6) is connected with the pitching arm (1) close to the worm wheel threaded hole (6-1) through a sleeve (18) and a bolt, and the pitching arm (1) is correspondingly provided with a pitching arm through hole corresponding to the worm wheel threaded hole (6-1).
6. The heavy-duty tripod head of an auxiliary positioning small aircraft according to any one of claims 2 to 5, wherein the base (4) is hollow and is divided into two parts, namely a base upper section and a base lower section, the base upper section is located in the lower casing (3) and is fixedly connected with the horizontal rotation control mechanism, and the base lower section is located at the bottom of the lower casing (3) and is rotatably connected with the lower casing (3);
the bottom of the lower shell (3) is fixed with a lower shell bottom plate (3-1) through bolts, the lower shell (3) and the lower shell bottom plate (3-1) are sleeved on the upper section of the base, and the bottom surface of the lower shell bottom plate (3-1) is connected with the lower section of the base.
7. The heavy-load tripod head of the auxiliary positioning small aircraft according to claim 6, wherein the horizontal rotation control mechanism is composed of a large gear (12), a small gear (13), a second motor (14) and a vertical shaft (15), the large gear (12) is fixed on the top of the upper section of the base (4), an upper thrust bearing (16) is arranged on the lower housing (3), a lower thrust bearing (17) is arranged between the lower housing (3) and the large gear (12), one end of the vertical shaft (15) penetrates through the large gear (12) and is fixedly connected with the base (4), the other end of the vertical shaft penetrates through the lower thrust bearing (17), the lower housing (3) and the upper thrust bearing (16) in sequence, and a vertical shaft flange (15-1) connected with the upper thrust bearing (16) is arranged at one end of the vertical shaft (15) penetrating through the upper thrust bearing (;
the second motor (14) is fixed on the bottom plate (3-1) of the lower shell and is fixedly connected with the small gear (13) through a motor thrust bearing (20), the small gear (13) and the large gear (12) are positioned on the same horizontal plane, and the small gear and the large gear are meshed with each other.
8. The heavy-duty tripod head of an auxiliary positioning small aircraft according to claim 7, wherein the outer ring of the motor thrust bearing (20) is fixedly embedded in the pinion (13), and the inner ring thereof is fixedly connected with the second motor (14);
the second motor (14) is connected with the pinion (13) through a key.
9. The heavy-duty head for an assisted positioning small aircraft according to claim 7, characterized in that said first motor (11) and said second motor (14) are both servo motors;
the coupler (10) is an elastic coupler.
10. The heavy-duty tripod head of an auxiliary positioning small aircraft according to any one of claims 5 or 7 to 9, wherein the bottom edge of the base (4) is provided with a base flange for fixedly connecting with a component below the base flange;
the bottom edge of the middle support (5) is provided with a middle support flange, and the middle support (5) is fixedly connected with the lower shell (3) through the middle support flange;
the pitching arm (1) and the upper shell (2), the upper shell (2) and the lower shell (3), and sealing gaskets are arranged at the connecting parts of the lower shell (3) and the lower shell bottom plate (3-1);
and anti-loosening glue is coated on the bolt connection part.
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| CN201921323517.9U CN210424327U (en) | 2019-08-15 | 2019-08-15 | Heavy-load cradle head of auxiliary positioning small aircraft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578786A (en) * | 2020-06-12 | 2020-08-25 | 江苏卫国防务技术有限公司 | Low-slow small target positioning method and positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578786A (en) * | 2020-06-12 | 2020-08-25 | 江苏卫国防务技术有限公司 | Low-slow small target positioning method and positioning device |
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Effective date of registration: 20200630 Address after: No.b3 Huayuan Road, Haidian District, Beijing 100089 Patentee after: CHINA ZHONGYUAN ENGINEERING Corp. Address before: NO.213, gate 2, floor 7, No.28, xinjiekouwei street, Xicheng District, Beijing 100032 Patentee before: Wang Zhi |
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