CN114838625A - Hollow walking line type rotating mechanism and standing, kneeling and lying integrated small arms target drone - Google Patents
Hollow walking line type rotating mechanism and standing, kneeling and lying integrated small arms target drone Download PDFInfo
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- CN114838625A CN114838625A CN202210590582.8A CN202210590582A CN114838625A CN 114838625 A CN114838625 A CN 114838625A CN 202210590582 A CN202210590582 A CN 202210590582A CN 114838625 A CN114838625 A CN 114838625A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/01—Target discs characterised by their material, structure or surface, e.g. clay pigeon targets characterised by their material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/10—Target stands; Target holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/04—Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
- F41J5/042—Targets comprising a system of electric contacts lying in the same plane for bridging by hitting projectiles
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Abstract
A hollow walking line type rotating mechanism and a standing, kneeling and lying integrated small arms target drone. The rotary mechanism disclosed by the invention has the advantages that the cables are arranged along the inner pore channels of the rotary mechanism in a hollow wiring mode, and the cables are protected by the built-in rotary electrical interface, so that the problem of cable winding in the rotating process is directly solved, and the requirement of signal transmission in a rotary state is met. The target in the target drone is positioned above the rotating mechanism, the cable of the target drone extends downwards to be connected into the preprocessor, the multipath target-reporting signals are preprocessed and transmitted under the preprocessed signals, the number of the cables is reduced by utilizing the signal preprocessing mode, the problem of excessive cables is solved, the difficulty of the cables passing through the rotating mechanism is reduced, the cost of the conductive slip ring is reduced, the problem of target switching and the problem of signal cable winding in the target rotating process are directly solved by adopting the structure, and the requirement of signal transmission under the rotating state is met.
Description
Technical Field
The invention belongs to the technical field of shooting training equipment, and particularly relates to a hollow walking line type rotating mechanism and a standing, kneeling and lying integrated light weapon target drone.
Background
Generally, a point-to-point direct connection is adopted in a common wiring mode, namely, a signal source is directly connected with a target interface through a cable, and when a kinematic pair exists between the signal source and the target interface, certain risks are inevitably caused by the mode. For example, when the upper mechanism rotates, the upper mechanism can rotate synchronously with the cable, the cable is easily wound, and when the rotation angle is too large or the number of rotations is large, the cable is easily twisted off. In addition, the cable exposes for a long time and can lead to the cable on the one hand to age easily on the other hand, and on the other hand also causes the cable fracture because of outside blunt thing easily, unable effectual protection cable.
The target drone of the light weapon is a necessary tool in soldier training and is mainly used for simulating shooting training of enemies in actual battlefields under different shapes (standing, kneeling and lying). The existing target drone is mainly a single target drone, namely only one of standing, kneeling, lying and other target drone types can be provided during training, and the orientation is fixed and cannot be adjusted. If the target type needs to be changed, workers need to replace the target type on site, and the efficiency is low and the target type is very inconvenient. The target in the real scene is a living body with agile activity characteristics, and different fighting postures such as standing, kneeling and lying can be switched in real time. The existing target drone can not accurately reflect the characteristics of the activities of living bodies in the actual battlefield, and has low training efficiency.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the invention provides a hollow wire-travelling type rotating mechanism.
Therefore, the hollow walking line type rotating mechanism provided by the invention comprises:
the bearing shaft is internally provided with a second pore passage, the second pore passage penetrates through the two axial ends of the bearing shaft, and meanwhile, a driving shaft mounting hole is formed in the axial bottom of the bearing shaft;
a bearing seat;
a conductive slip ring;
the mounting base plate is internally provided with a driving shaft mounting hole and a first hole, the driving shaft mounting hole axially penetrates through the mounting base plate, and meanwhile, the driving shaft mounting hole is communicated with the first hole;
the conductive slip ring is arranged in the driving shaft mounting hole, the bottom of the bearing seat is fixedly connected with the axial top of the mounting base plate, the bearing seat is coaxial with the conductive slip ring, the bearing shaft is arranged in the bearing seat through a bearing, a driving shaft mounting hole in the bottom of the bearing shaft is coaxial with the conductive slip ring, and meanwhile the second hole is communicated with the driving shaft mounting hole.
The motor is fixedly installed at the bottom of the installation bottom plate, and the motor driving shaft is installed in the conductive sliding ring and the driving shaft installation hole through the driving shaft installation pore.
The cable sequentially passes through the second hole channel, the driving shaft mounting hole channel, the conducting wire slip ring rotor, the conducting slip ring stator and the first hole channel.
Further, the top end of the bearing shaft extends out of the bearing seat.
Further, the second pore passage comprises an axial pore passage and an inclined pore passage, the axial pore passage is respectively positioned at two axial ends of the bearing shaft, the inclined pore passage is connected with the two axial pore passages, and the axial pore passage positioned at the opposite end of the driving shaft mounting hole is coaxial with the driving shaft mounting hole.
Further, mounting plate includes bearing frame mounting panel and motor mounting panel, all seted up the through-hole on bearing frame mounting panel and the motor mounting panel, and seted up the second pore on the motor mounting panel, two through-holes constitute drive shaft installation pore after bearing frame mounting panel and the fixed equipment of motor mounting panel.
Further, still include the bearing frame end cover, this bearing frame end cover fixed mounting is in the bearing frame top, and has seted up the through-hole on the bearing frame end cover.
Furthermore, a first cable connector is installed at the external interface of the first pore passage, and a second cable connector is installed at the external interface of the second pore passage, which is positioned at the top of the bearing shaft.
The invention also provides a target drone. Therefore, the target drone provided by the invention comprises the rotating mechanism, wherein a target arm is fixedly arranged at the upper end part of a bearing shaft in the rotating mechanism, a preprocessor is fixedly arranged on the target arm, at least two target rods are arranged on the target arm and arranged around the axial direction, and a conductive target plate is arranged on each target rod;
the bottom of the mounting bottom plate of the rotating mechanism is provided with a motor; meanwhile, a data center is arranged below the rotating mechanism;
and the signal acquired by the conductive target plate is transmitted to a preprocessor, a corresponding hit position is judged after the signal is detected in the preprocessor, the signal is transmitted to a data center through cables positioned in the second pore channel, the conductive slip ring and the first pore channel, and the data center stores and saves the result after receiving the result.
Optionally, three target rods are arranged on the target arm, a head target, a chest target and a whole body target are respectively arranged on each target rod, and the height of the head target, the height of the chest target and the height of the whole body target are adjustable.
Further, an encoder is installed at the bottom of the motor.
Furthermore, the lifting mechanism comprises a concave main box, a lifting mechanism arranged in the main box and a hydraulic driving mechanism used for driving the lifting mechanism, wherein the rotating mechanism is arranged on the lifting mechanism.
Further, a data center is installed in the main box body.
Further, the hydraulic driving mechanism comprises a hydraulic unit, a hydraulic cylinder, a main driving shaft and a driven driving shaft, wherein a crank is arranged on the main driving shaft and connected with the hydraulic cylinder, and the main driving shaft and the driven driving shaft are respectively positioned in two protruding end parts of the concave main box; the rotating mechanism is respectively arranged on the main driving shaft and the auxiliary driving shaft through a left side plate and a right side plate and is positioned in the middle sunken part of the concave main box; the main driving shaft is connected with the lifting mechanism.
The rotary mechanism disclosed by the invention has the advantages that the cables are arranged along the inner pore channels of the rotary mechanism in a hollow wiring mode, and the cables are protected by the built-in rotary electrical interface, so that the problem of cable winding in the rotating process is directly solved, and the requirement of signal transmission in a rotary state is met. In addition, signals can be pre-processed and then transmitted up and down through the cables in the hollow structure, so that the number of the cables penetrating through the hollow structure is reduced, and the structure of the rotating mechanism is more compact.
The existing light weapon target drone is mainly a single target drone, needs manual switching when the target drone is replaced, is low in efficiency, is widely distributed when in field tactical training, and causes inconvenience in switching the target drone. In addition, the small arms target drone generally adopts the mode of conductive target plate target reporting, and is divided into areas such as head, trunk, limbs and the like according to the target type requirement, and corresponding signals are generated when the bullet passes through the corresponding area of the target plate, and are transmitted to the main control system by cables, so that the target reporting of the corresponding area is completed. The cable extending from the target outside the equipment is connected to the data center inside the equipment body through the whole motion mechanism, so that the cable is required to be routed reliably and effectively without interference of motion of the mechanism. In addition, according to the requirement of doing the training, the target board of different target types is divided into a plurality of regions such as head, heart, trunk, and each region corresponds a set of cable, and three target types will produce three bundles of cables, and the cable is more in quantity, if adopt the mode of inside line of walking will make equipment become compact enough, increase the weight of equipment. The target type in the standing, kneeling and lying integrated small arms target drone is positioned above the rotating mechanism, the cables of the target drone are extended downwards to be connected into the preprocessor, the multipath target reporting signals are preprocessed, the preprocessed signals are transmitted downwards, the number of the cables is reduced by utilizing a signal preprocessing mode, the problem of excessive cables is solved, and the difficulty of the cables passing through the rotating mechanism is reduced. Meanwhile, the cost of the conductive slip ring is reduced, the problem of target type switching is directly solved by adopting the structure, the problem of signal cable winding in the target type rotating process is solved, and the requirement of signal transmission under the rotating state is met.
The standing, kneeling and lying integrated target type structure can change the target type of the target in real time according to tactical requirements so as to complete posture switching of soldiers. The target type is switched in an automatic mode, manual operation is not needed, and the efficiency is higher. The angle sensor is rigidly connected with the rotary actuating mechanism to realize high-precision rotation by a full-closed-loop rotary control structure, so that the accurate switching of the target type and the accurate adjustment of the orientation of the target type are completed.
The reverse driving device adopts a separated double-shaft design, can improve the integral bearing capacity of equipment, reduces the effect of load on a motor and an encoder, and improves the service life and the quality.
Drawings
Fig. 1 is a schematic structural diagram of a rotating mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bearing shaft according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a rotating mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of signal transmission within a drone of an embodiment of the present invention;
FIG. 5 is a schematic diagram of a target arm and a target plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of a target arm according to an embodiment of the present invention;
FIG. 7 is a schematic view of a target plate type according to an embodiment of the present invention;
FIG. 8 is a longitudinal cross-sectional view of the inside of the main body case according to the embodiment of the present invention;
FIG. 9 is a transverse cross-sectional view of the inside of the main body case according to the embodiment of the present invention;
FIG. 10 is a schematic external view of a drone according to an embodiment of the present invention.
Detailed Description
Unless otherwise specified, the terminology herein is to be understood in light of the knowledge of one of ordinary skill in the relevant art.
The axial, top, bottom, etc. directional or orientational terms used herein are consistent with the corresponding directions or orientations in the drawings and it is noted that those skilled in the art who have the benefit of this disclosure will make equivalent rotations, permutations and the like within the scope of the present invention.
Example 1:
referring to fig. 1-3, the rotary mechanism of the present invention comprises a bearing shaft 122, a bearing housing 121, a conductive slip ring 117, and mounting base plates (102 and 101), wherein:
a second pore channel 131 is formed in the bearing shaft and penetrates through the two axial ends of the bearing shaft, namely, openings are formed in the two axial end faces of the bearing shaft, and a driving shaft mounting hole is formed in one axial end of the bearing shaft;
a driving shaft mounting hole and a first hole 118 are formed in the mounting bottom plate, the driving shaft mounting hole axially penetrates through the mounting bottom plate, namely openings are formed in two axial end faces of the mounting bottom plate, meanwhile, the first hole is internally communicated with the driving shaft mounting hole, and a connecting port is arranged externally;
the conductive slip ring is arranged in the mounting hole of the driving shaft; the bearing block is fixedly arranged at the top of the mounting base plate and is coaxial with the conductive slip ring; the bottom of the mounting bottom plate is used for mounting a motor; the bearing shaft is arranged in the bearing seat through a bearing 123, a driving shaft mounting hole in the bearing shaft is coaxial with the conductive slip ring, and meanwhile, the second pore channel is communicated with the driving shaft mounting pore channel.
In a use scene or some schemes, the bottom of the installation bottom plate is fixedly provided with the motor 103, and a driving shaft of the motor passes through the conductive slip ring stator 117-2, the conductive slip ring rotor 117-1 and the driving shaft installation hole through the driving shaft installation pore passage and is connected with the bearing shaft. In the specific scheme, a conductive slip ring stator 117-2 is fixedly connected in a driving shaft mounting pore passage through a screw, and a conductive slip ring rotor 117-1 is fixedly connected with a radial set screw of a motor driving shaft 105, which is positioned in the conductive slip ring rotor 117-1; the lower part of the bearing shaft 122 is connected with the upper part of the motor driving shaft 105 through a second flat key 124, and the bearing shaft and the motor driving shaft are synchronously rotated. In a further scheme, the output part of the motor 103 is connected with a motor driving shaft 105 through a first flat key 104, the motor driving shaft 105 penetrates through the whole motor 103, the upper end of the motor driving shaft 105 is axially restrained through a shaft shoulder of the motor driving shaft 105, and the lower end of the motor driving shaft 105 is axially restrained through a stop washer 106 and a nut 107.
The rotating mechanism is suitable for devices needing wiring inside the rotating mechanism, for example, signals of devices above and below the rotating mechanism need to be transmitted through cables inside the rotating mechanism, wherein the upper device is a device needing to be driven to rotate, and the lower device is a data collecting device or a control device; the cable sequentially penetrates through a second pore channel, a driving shaft mounting pore channel, a lead slip ring rotor, a conductive slip ring stator and a first pore channel from the upper part of the rotating mechanism; the motor driving shaft synchronously drives the rotor of the conductive slip ring to rotate, and the motor driving shaft and the force bearing shaft synchronously rotate, so that the cables in the second pore passage in the force bearing shaft synchronously rotate, the rotor cables and the stator cables in the conductive slip ring are conducted one by one through electric brushes, and the stator of the 117 conductive slip ring is fixedly connected with the mounting bottom plate and is relatively static, so that the signal transmission from a rotating state to a static state can be realized; all cables are internally wired, and the overall structure adopts a fully-sealed mode to protect the cables and internal devices.
In some schemes, in order to meet the requirement of installing the upper device, the top end of the bearing shaft extends out of the bearing seat.
In some preferred schemes, in order to avoid blockage during threading and facilitate threading, as shown in fig. 2, the second duct includes an axially-opened duct 131-1 located at each axial end of the bearing shaft and an inclined duct 131-2 connecting two axially-opened ducts, the axially-opened duct located at the opposite end of the driving shaft mounting hole is coaxial with the driving shaft mounting hole 122-1, the inclined duct is axially and obliquely arranged relative to the bearing shaft, that is, the second duct is composed of axially-opened holes at both ends and a middle inclined duct, and the duct arrangement mode can avoid the cable from being blocked in the duct during threading.
In still some schemes, for convenient processing and equipment, the mounting plate is assembled from top to bottom by rotating base plate 101 and motor mounting panel 102 and forms, and rotating base plate 101 below and motor mounting panel 102's top fixed connection all have seted up the through-hole on rotating base plate and the motor mounting panel and have constituteed drive shaft installation pore, first pore is seted up on the motor mounting panel. In a further scheme, a first O-shaped ring 113 is arranged between the rotating base plate 101 and the motor mounting plate 102, a second O-shaped ring 114 is arranged between the motor mounting plate 102 and the motor 103, a fourth O-shaped ring 129 is arranged between the rotating base plate 101 and the bearing seat 121,
on the basis of the above scheme, in some schemes, in order to prevent impurities from entering the device, a bearing seat end cover 125 is installed at the top of the bearing seat, and a through hole is formed in the end cover and used for connecting a device above the rotating mechanism or a bearing shaft to penetrate through the through hole. In the concrete scheme, the upper part of the bearing seat 121 is fixedly connected with a bearing seat end cover 125, and a boss below the bearing seat end cover 125 is in contact with the bearing 123 and axially restricts the bearing. In a further scheme, a framework oil seal 126 is arranged in a sleeve cavity below the bearing seat end cover 125, the inner side of the framework oil seal 126 is in contact with and seals the bearing shaft 122 to prevent liquid from invading, a felt 127 is arranged in the sleeve cavity above the bearing seat end cover 125, the inner side of the felt 127 is in contact with and seals the bearing shaft 122 to prevent dust from invading, a felt gland 128 is arranged on the bearing seat end cover 125, and the felt gland 128 is fixedly connected with the bearing seat end cover 125 and compresses the felt 127. In a further scheme, an end cover sealing gasket 130 is further arranged between the bearing seat 121 and the bearing seat end cover 125.
In a further product, a first cable connector 119 is mounted at an outward interface of the first bore, and a second cable connector 132 is mounted at an outward interface of the second bore.
In the above solution, the opening formed during the first channel processing may be plugged by the waterproof plug 120.
Example 2:
the target drone of the embodiment is shown in fig. 3-5, and comprises the rotating mechanism and the target arm 2 in the embodiment 1, meanwhile, the upper part of the bearing shaft 122 is matched with an inner hole below the target arm 2, and the bearing shaft and the inner hole are connected, fixed and synchronously rotated;
a preprocessor 3 is fixedly installed on a platform above the target arm 2, the preprocessor 3 and the target arm 2 synchronously rotate, 3 target rods are arranged on the target arm, conductive target plates are installed on the target rods, a corresponding signal wire harness 8 is led out from the lower part of each target plate, the tail end of the signal wire harness 8 is connected with the preprocessor 3, a target reporting signal is input into the preprocessor 3, the middle section of the signal wire harness is fixed with the target arm 2 in the rotating process of the target arm 2, so that the signal wire harness synchronously rotates, and the input of the corresponding target reporting signal is completed;
the conductive target plate is internally provided with a multilayer aluminum foil structure which is divided into a base layer and a part layer, when the bullet passes through a certain part, the base layer aluminum foil and the part layer aluminum foil are conducted to generate a current signal, the current signal is transmitted to a preprocessor through a cable connected with a hit part, a corresponding hit position is judged after the signal is detected in the preprocessor, and the current signal is transmitted to a data center below the rotating mechanism through cables in a second pore passage after sequentially passing through inner cables in a conductive slip ring stator, a rotor and a first pore passage, and the data center receives the result and then stores and transmits the result to an upper computer.
In a specific scheme, referring to fig. 5 and 6, the preprocessor 3 includes a preprocessor housing 301, a preprocessor module 303 is installed inside the preprocessor housing 301 through a copper column 302, a hole is formed in the bottom of the preprocessor housing 301, a cable extending from the second cable connector 132 passes through an inner hole of the target arm 2 and the hole in the bottom of the preprocessor housing 301 to be connected with the preprocessor module 303, the preprocessor module 303 is connected with an aerial plug 304 and a target indicating lamp 305, the tail end of a signal cable harness 8 is connected with the aerial plug 304 on the preprocessor 3, the target indicating lamp is used for indicating the working state of the preprocessor, when the lamp is on, the preprocessor works normally, and when the lamp is off, the preprocessor is indicated to be faulty.
In a further embodiment, the preprocessor housing 301 is fixedly connected to the preprocessor cover 306. A fifth O-ring 307 is provided between the preprocessor housing 301 and the target arm 2, and a sixth O-ring 308 is provided between the preprocessor housing 301 and the preprocessor upper cover 306.
In still some further schemes, the target arm 2 extends upwards and is fixed with three target rods 7 through a plum blossom hand wheel 201, the head target 4, the chest target 5 and the whole body target 6 are respectively fixed with the three target rods 7 and are arranged in a triangle, the front faces of the three target rods are outward, the actual conditions of three postures of standing, kneeling and lying in training are met by adjusting the height of the target plates, and the target plates are bound together through insulating tapes to form a virtual human-shaped three-dimensional structure.
As shown in fig. 5 and 7, the whole-body target 6 is divided into five regions, namely, a head, a chest, a heart, an abdomen and the like, the chest target 5 is divided into 3 regions, the head target 4 only has one region, and the front background region and the back whole region of all target boards are camouflage patterns or background patterns similar to training fields, so that the other two target types are hidden in the environment when shooting on one target type in the training state. After the motor 103 is powered on, under the action of a control signal, the output part drives the motor shaft 105 to rotate, the motor shaft drives the bearing shaft 122 to rotate, and the bearing shaft drives the target arm to rotate, so that the head target, the chest target and the whole body target which are arranged in a triangular shape rotate around the axis, and the switching motion of the target surface and the adjustment of the orientation of the target surface are realized.
Further in the structure, the whole body target 6 is externally connected with 6 wires, the chest target 5 is externally connected with 4 wires, the head target 4 is externally connected with 2 wires, and 12 wires are calculated, the data is input by 304 aerial insertion, the preprocessed data is transmitted downwards by an RS485 protocol, the processed signals can be transmitted by 2 signal wires and 2 power wires, 4 wires firstly pass through a through hole at the lower end of the preprocessor shell 301, enter the second pore channel 131 through the second cable joint 132 and pass through the hollow structure in the main body of the rotating mechanism, in addition, the stator outgoing wires and the rotor outgoing wires of the conductive slip rings 117 are the same in number and are in one-to-one correspondence, the price of the conductive slip rings 117 is geometrically increased along with the increase of the number of the cables, therefore, the reduction of the number of the signals also reduces the model selection cost of the conductive slip rings 117, the feasibility in the process is high, and the difficulty in routing is reduced.
In still other schemes, as shown in fig. 3, an encoder 110 is installed below the motor, the motor driving shaft 105 synchronously drives the encoder 110 to rotate, and the real-time angular position read by the encoder is the angular position of the target surface, which is helpful for realizing accurate control of the direction of the target surface. Further, the encoder can be installed below the motor through the encoder adapter plate 108 and the encoder installation part 109, in a specific installation example, the lower part of the motor 103 is fixedly connected with the encoder adapter plate 108, the lower part of the adapter plate 108 is fixedly connected with the encoder installation plate 109, the encoder 110 is arranged below the encoder installation plate 109, the output part of the encoder 110 is in a sleeve shape, a U-shaped opening is formed in the upper part of the encoder, a threaded pin 111 is arranged at the tail end of the lower part of the motor driving shaft 105, the lower part of the motor shaft 105 extends into an output sleeve of the encoder, and the threaded pin 111 is clamped into the U-shaped opening;
the motor shaft drives the encoder to rotate by rotating the motor shaft 105, aligning the set screw 112 on the encoder 110 with the process hole on the side surface of the encoder mounting plate 109, screwing the set screw 112 through the process hole by a locking tool, and fixedly connecting the output parts of the motor shaft 105 and the encoder 110 to realize synchronous rotation of the motor shaft 105 and the encoder 110, thereby achieving detection of the rotation angle of the motor shaft.
Furthermore, a sealant is coated between the motor 103 and the encoder adapter plate 108, a third O-ring 115 is arranged between the encoder adapter plate 108 and the encoder mounting plate 109, and an encoder gasket 116 is arranged between the encoder mounting plate 109 and the encoder 110.
Example 3:
in a further aspect, the target drone further includes a "concave" main body box 901, and a lift-and-fall mechanism and a hydraulic drive mechanism installed in the main body box, wherein the rotation mechanism is installed on the lift-and-fall mechanism, and the lift-and-fall mechanism can be driven by the hydraulic drive mechanism to realize an integral lift-and-fall action, specifically, the lift-and-fall mechanism and the hydraulic drive mechanism disclosed in CN 202011605347.0.
In still other schemes, the hydraulic driving mechanism adopts a split type driving shaft design, and the specific scheme is as shown in fig. 8 and 9, a main driving shaft 911 and a slave driving shaft 918 are respectively installed on two sides of a U-shape of the main case 901, a hydraulic unit 903 is arranged in the main case 901, the hydraulic unit 903 is connected with a hydraulic cylinder 905, the front end of a push rod of the hydraulic cylinder 905 is connected with a crank 910, and the other end of the crank 910 is sleeved on the main driving shaft 911; a limiting mechanism is arranged on one side of the main driving shaft (namely a limiting rod in the lifting mechanism is positioned at the end part of the main driving shaft), the rotating mechanism is connected with the main driving shaft and the driven driving shaft through flanges, the rotating mechanism can be adjusted in the same direction on the plane where the axes of the two shafts are located, and fine adjustment can be carried out along the radial direction of the shafts during installation, so that the coaxial deviation between the two bearings is offset during installation.
When the hydraulic unit 903 is powered on in the forward direction, high-pressure oil is generated and is driven into a rodless cavity of the hydraulic cylinder 905 along an oil pipe, the crank 910 is directly pushed to rotate by the thrust generated by the hydraulic cylinder 905, and the main driving shaft 911 and the auxiliary driving shaft 918 are driven to rotate, so that the rotating mechanism 1 and the target plate are driven to rotate upwards, and the target starting action is completed; when the 903 hydraulic unit is reversely electrified, high-pressure oil is generated and enters a rod cavity of the hydraulic cylinder 905, the stroke of the hydraulic cylinder 905 becomes slow, the main driving shaft 911 and the auxiliary driving shaft 918 are slowly pushed to rotate, the main body of the rotating mechanism 1 slowly rotates, and the target reversing action is completed.
With the split-type drive shaft design, cables 924 extending from the rotating mechanism enter the main housing 901 through a third hole 902 (the third hole is formed by a central hole in the rotating left side plate 922 and a central hole in the end of the drive shaft 918) and a third cable connector 923 in the third hole, and are connected with the data center 925;
adopt split type drive shaft structure to every axle and bearing, be concentric installation, do not have the offset stress that leads to because of the assembly, avoided because of the unilateral wearing and tearing that assembly stress produced bearing itself, in addition, this design makes middle actuating mechanism below vacant, can be closer with middle actuating mechanism's focus adjustment and drive shaft axis, receives eccentric gravity's influence when reducing the target.
In a more specific scheme, a hydraulic unit 903 is arranged in a main box body 901, the hydraulic unit 903 is fixed on the main box body 901 through a hydraulic unit sheet metal support 904, the hydraulic unit sheet metal support 904 is in a buffer design and can reduce vibration of the hydraulic unit 903 in working, the hydraulic unit 903 is provided with two oil ports, one oil port is directly connected with an oil port of a hydraulic cylinder 905, and the other oil port is connected with the other oil port of the hydraulic cylinder 905 through a one-way throttle valve 906;
the rear end of the cylinder body of the hydraulic cylinder 905 is hinged with a hydraulic cylinder bracket 908 through a first threaded pin shaft 907, the front end of a push rod of the hydraulic cylinder 905 is hinged with one end of a crank 910 through a second threaded pin shaft 909, and the lower part of the hydraulic cylinder bracket 908 is fixedly connected with the main box body 901; the other end of the crank 910 is sleeved on the main driving shaft 911 and fastened by screws;
the main box body 901 is provided with a main bearing seat 912 and a driven bearing seat 913 on two sides of a U shape respectively, the bearing seats are reinforced by reinforcing ribs, a main bearing 914 is arranged in the main bearing seat 912, the main bearing 914 is a sliding bearing with graphite self-lubrication, is provided with a flanging flange and is contacted with a shoulder of the main bearing seat 912, a main driving shaft 911 is arranged in the main bearing 914, one end of the main driving shaft 911 is provided with a flange, the inner side of the flange is contacted with the outer side of the flanging of the main bearing 914, a first oil seal 915 is further arranged in the main bearing seat 912, the inner side of the first oil seal 915 is contacted with the main driving shaft 911 to seal the main driving shaft, a first retaining ring 916 is sleeved on the main driving shaft 911 and is axially contacted with the main bearing seat 912, and the first retaining rings of the main driving shafts 911 and 916 are fastened through fastening screws to axially restrain the main driving shaft and the first retaining ring;
similar to the above structure, a driven bearing 917 is arranged in the bearing seat 913, a graphite self-lubricating sliding bearing is arranged in the bearing seat 917, a driven shaft 918 is arranged in the bearing seat 917, a flange is arranged at one end of the driven shaft 918, a hole is formed in the middle of the flange, a second oil seal 919 is further arranged in the bearing seat 913, the inner side of the second oil seal 919 is in contact with the driven shaft 918 to seal the driven shaft, a second stop ring 920 is sleeved on the driven shaft 918 and is in axial contact with the bearing seat, and the driven shaft 918 and the second stop ring 920 are fastened through a set screw 913 to be axially constrained;
the flange at the end of the main driving shaft 911 is connected with the flange of the rotating right side plate 921, the axis of the flange can be slightly adjusted along the radial direction when the flange is connected with the flange of the rotating left side plate 922, and the center of the flange of the rotating left side plate 922 is provided with a hole. A rotating mechanism body 1 is arranged above the rotating right side plate 921 and the rotating left side plate 922, and a rotating mechanism cable 924 of the rotating mechanism body 1 can pass through a third cable connector 923, a flange center hole of the rotating left side plate 922 and a flange center hole of the driven shaft 918 to enter the device body.
As shown in fig. 9, when the hydraulic unit 903 is powered up in the forward direction, high-pressure oil is generated and is pumped into a rodless cavity of the hydraulic cylinder 905 along an oil pipe, at this time, the one-way throttle valve 906 on the oil return path is in a one-way valve state, the oil return path is conducted, the thrust generated by the hydraulic cylinder 905 directly pushes the crank 910 to rotate and drives the main driving shaft 911 and the auxiliary driving shaft 918 to rotate, so as to drive the rotating mechanism 1 and the target plate to rotate upwards, and the target starting action is completed; when the hydraulic unit 903 is electrified reversely, high-pressure oil is generated and enters a rod cavity of the hydraulic cylinder 905 through the one-way throttle valve 906, the one-way throttle valve 906 is in a throttle state, the stroke of the hydraulic cylinder 905 becomes slow due to the throttling damping effect of the one-way throttle valve 906, the main driving shaft 911 and the auxiliary driving shaft 918 are pushed slowly to rotate, the main body of the rotating mechanism 1 rotates slowly, and the target reversing action is completed. The target reversing action becomes stable due to the one-way throttle valve 906.
On the basis of the scheme, as shown in fig. 10, the target drone 9 is provided with a battery 10 for supplying power to the whole device, a bulletproof steel plate 11, a positioning antenna 12 and a communication antenna 13.
Claims (14)
1. A hollow wire-routing rotary mechanism, comprising:
the bearing shaft is internally provided with a second pore passage, the second pore passage penetrates through the two axial ends of the bearing shaft, and meanwhile, a driving shaft mounting hole is formed in the axial bottom of the bearing shaft;
a bearing seat;
a conductive slip ring;
the mounting base plate is internally provided with a driving shaft mounting hole and a first hole, the driving shaft mounting hole axially penetrates through the mounting base plate, and meanwhile, the driving shaft mounting hole is communicated with the first hole;
the conductive slip ring is arranged in the driving shaft mounting hole, the bottom of the bearing seat is fixedly connected with the axial top of the mounting base plate, the bearing seat is coaxial with the conductive slip ring, the bearing shaft is arranged in the bearing seat through a bearing, a driving shaft mounting hole in the bottom of the bearing shaft is coaxial with the conductive slip ring, and meanwhile the second hole is communicated with the driving shaft mounting hole.
2. The hollow wire-running rotary mechanism of claim 1, further comprising a motor fixedly mounted to the bottom of the mounting base plate, and wherein the motor drive shaft is mounted through the drive shaft mounting aperture in the conductive slip ring and the drive shaft mounting hole.
3. The hollow wire-running rotary mechanism of claim 1, further comprising a cable that passes through the second bore, the drive shaft mounting bore, the wire slip ring rotor, the conductive slip ring stator, and the first bore in that order.
4. A hollow wire-travelling rotary mechanism according to claim 1 wherein the top end of the bearing shaft extends beyond the bearing housing.
5. The hollow wire-running rotating mechanism according to claim 1, wherein the second duct includes an axially-opened duct and an inclined duct, the axially-opened duct and the inclined duct are respectively located at two axial ends of the bearing shaft, the two inclined ducts are connected to each other, and the axially-opened duct located at the opposite end of the drive shaft mounting hole is coaxial with the drive shaft mounting hole.
6. The hollow wire-running rotating mechanism according to claim 1, wherein the mounting base plate comprises a bearing seat mounting plate and a motor mounting plate, the bearing seat mounting plate and the motor mounting plate are both provided with through holes, the motor mounting plate is provided with a second hole, and the two through holes form a driving shaft mounting hole after the bearing seat mounting plate and the motor mounting plate are fixedly assembled.
7. The hollow wire-running rotating mechanism according to claim 1, further comprising a bearing seat end cover, wherein the bearing seat end cover is fixedly arranged on the top of the bearing seat, and the bearing seat end cover is provided with a through hole.
8. The hollow wire-running rotating mechanism according to claim 1, wherein a first cable connector is mounted at the external interface of the first duct, and a second cable connector is mounted at the external interface of the second duct on the top of the bearing shaft.
9. A target drone is characterized by comprising the rotating mechanism of claim 1, wherein a target arm is fixedly arranged at the upper end part of a bearing shaft in the rotating mechanism, a preprocessor is fixedly arranged on the target arm, at least two target rods are arranged on the target arm and surround the axial direction, and a conductive target plate is arranged on each target rod;
the bottom of the mounting bottom plate of the rotating mechanism is provided with a motor; meanwhile, a data center is arranged below the rotating mechanism;
and the signal acquired by the conductive target plate is transmitted to a preprocessor, a corresponding hit position is judged after the signal is detected in the preprocessor, the signal is transmitted to a data center through cables positioned in the second pore channel, the conductive slip ring and the first pore channel, and the data center stores and saves the result after receiving the result.
10. The target machine of claim 9, wherein the target arm is provided with three target rods, each target rod is provided with a head target, a chest target and a whole body target, and the height of the head target, the chest target and the whole body target is adjustable.
11. The drone of claim 9, wherein the motor is mounted with an encoder at a bottom thereof.
12. The target machine of claim 9 further comprising a concave-shaped main body box and a cocking mechanism mounted within the main body box and a hydraulic drive mechanism for driving the cocking mechanism, the rotation mechanism being mounted to the cocking mechanism.
13. The drone of claim 12, wherein a data center is mounted within the main housing.
14. The target machine of claim 12 wherein the hydraulic drive mechanism includes a hydraulic unit, a hydraulic cylinder, a primary drive shaft and a secondary drive shaft, the primary drive shaft having a crank attached thereto, the crank being connected to the hydraulic cylinder, the primary and secondary drive shafts being located within respective projecting ends of the channel-shaped body box; the rotating mechanism is respectively arranged on the main driving shaft and the auxiliary driving shaft through a left side plate and a right side plate and is positioned in the middle sunken part of the concave main box; the main driving shaft is connected with the lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590582.8A CN114838625A (en) | 2022-05-26 | 2022-05-26 | Hollow walking line type rotating mechanism and standing, kneeling and lying integrated small arms target drone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590582.8A CN114838625A (en) | 2022-05-26 | 2022-05-26 | Hollow walking line type rotating mechanism and standing, kneeling and lying integrated small arms target drone |
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| Publication Number | Publication Date |
|---|---|
| CN114838625A true CN114838625A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210590582.8A Pending CN114838625A (en) | 2022-05-26 | 2022-05-26 | Hollow walking line type rotating mechanism and standing, kneeling and lying integrated small arms target drone |
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| CN (1) | CN114838625A (en) |
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