CN209209038U - A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering - Google Patents
A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering Download PDFInfo
- Publication number
- CN209209038U CN209209038U CN201821608101.7U CN201821608101U CN209209038U CN 209209038 U CN209209038 U CN 209209038U CN 201821608101 U CN201821608101 U CN 201821608101U CN 209209038 U CN209209038 U CN 209209038U
- Authority
- CN
- China
- Prior art keywords
- preshoot
- left front
- control
- rifle
- body frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 230000003139 buffering effect Effects 0.000 title claims abstract description 38
- 238000004080 punching Methods 0.000 claims abstract description 96
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims 1
- 238000010304 firing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 29
- 230000033001 locomotion Effects 0.000 description 20
- 230000009471 action Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 15
- 238000009527 percussion Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a small unmanned aerial vehicle low-recoil mechanism for rifle recoil buffering, which comprises a right recoil body and a left recoil body which are symmetrically arranged; the two ends of the right front punching body and the left front punching body are respectively and fixedly connected through a front connecting hoop and a rear connecting hoop; the utility model discloses a small-size unmanned aerial vehicle low recoil mechanism for rifle recoil buffering, the platform of using whole rifle recoil firing principle has fine effect of reducing recoil when shooting, and the recoil maximum value is 65.6N, only supports 16.2% of shoulder effort maximum value when only supporting the shoulder shooting for the people.
Description
Technical field
The utility model relates to a kind of low recoil forward rushing mechanisms of small drone for rifle recoil buffering, belong to military
Equipment technical field.
Background technique
Fighting efficiency and application prospect after small drone carry small arms are all ideal, but small arms
The recoil generated when shooting is the key problem for influencing small arms in conjunction with small drone；Small drone is flown in the sky
When balance is kept by air force, firearm recoil is to unmanned plane during flying stability and shooting essence under this state
The influence of degree will be amplified, and especially automatic weapon (rifle, machine gun etc.) influence of recoil in continuous fire is to continue
, this will cause very big influence to the flight stability performance of small drone, or even will cause overturning and the pendant of unmanned plane
It falls；Solution to this problem can have following several: (1) the dedicated small arms of carry, and dedicated small arms are i.e. exclusively for small-sized
The small arms of unmanned aerial vehicle design can be reduced gently by modes such as optimization self structure, reduction bullet powder charge, installation muzzle brakes
Influence of the weapon recoil to small drone；Design specialized small arms mean to reduce the general degree of weapon, Er Qiehuo
Power fragment action is also affected；(2) enhance the anti-interference ability of small drone, the stability of small drone and anti-interference
Ability and the design feature of its own, power mode and material composition etc. are because being known as much relations；By optimizing small drone
Its stability and anti-interference ability are improved, this requirement to small drone the relevant technologies is very high；Currently, small drone is also
It is unable to reach the requirement of direct carry small arms, and the raising of its relevant technologies is had got long long way to go；(3) it designs low
Recoil carry platform is designed a kind of low recoil carry platform suitable for small drone, is reduced even using carry platform
Influence of the firearm recoil to unmanned plane during flying stability is eliminated, the requirement to small drone performance is reduced, guarantees simultaneously
The versatility of carry weapon, undoubtedly one very in conjunction with small drone for solving the problems, such as small arms for this mode
Good selection；With the continuous development of war form, unmanned platform is widely applied, on unmanned platform carry weapon at
For an important development direction；Basic weaponry of the firearms as army, small in size because its structure is simple, firepower duration
The features such as strong, is more suitable for and miniature self-service platform carry；However, the recoil generated when riflery will make optimal in structure
At very big influence；Recoil when especially air fighting platform carries riflery directly affects weapon-shooting precision and takes
The flight stability of carrying platform；Automatic weapon is known as preshoot percussion principle into the principle fired in the process multiple；Using preceding impact
When sending out the weapon-shooting of principle, the energy of the preshoot energy meeting partial offset powder gas of preshoot body backward, to reduce shooting
When recoil；There are blowback, semi-free rifle bolt, gun barrel floating type using the automatic weapon of preshoot percussion principle at present
Deng；In order to solve the problems, such as the flight stability of recoil bring fire accuracy and carrying platform of the rifle in shooting, propose
A kind of forward rushing mechanism applied on small drone carry platform.
Utility model content
In order to solve the above problems, the utility model proposes it is a kind of based on whole rifle preshoot percussion principle be used for rifle recoil
The low recoil forward rushing mechanism of the small drone of buffering has in shooting and subtracts recoil effect well.
The low recoil forward rushing mechanism of small drone for rifle recoil buffering of the utility model, the forward rushing mechanism packet
It includes symmetrically arranged right preshoot body and left front rushes body；The right preshoot body and the left front body both ends that rush pass through preceding connecting hoop with after respectively
Connecting hoop is fixedly connected；The right preshoot body includes right preshoot body frame, and is movably installed in the right second level of right preshoot body frame side
Hydraulic bjuffer, and it is fixed on the right preshoot control mechanism above right preshoot body frame, and be fixed on right preshoot body frame upper and lower sides
Right level 2 buffering guide rail, and the right level 2 buffering sliding block being slidably mounted on right level 2 buffering guide rail, and it is sliding with right level 2 buffering
The right level 2 buffering frame that block is connected by screw, and it is fixed on the right guide rail on the inside of right preshoot body frame, and be installed on right preshoot body
Right preshoot spring guide rod seat on the inside of frame, and through the preshoot spring guide rod being installed on the inside of right preshoot body frame, and before being movably installed in
Rush the right preshoot spring on spring guide rod；The right preshoot spring guide rod one end and right preshoot spring guide rod seat are connected, the other end and the right side
Preshoot body frame is connected, and when right buffering body running, right preshoot control mechanism discharges the right boss of rifle mounting blocks in rifle connection frame,
Rifle mounting blocks start preshoot under the action of right preshoot spring, and rifle is opened fire during preshoot, later rifle and rifle connection frame
Start recoil, compress right preshoot spring, while right preshoot body frame compresses right 2-level hydraulic buffer under the action of right preshoot spring, walks
Rifle and rifle connection frame recoil start afterwards in place it is multiple into, enter stop motion under the action of right preshoot control mechanism behind position again,
Fire is completed；The right preshoot control mechanism is fixedly mounted by screw and right preshoot body frame；The right preshoot controls machine
Structure includes right preshoot control box, and is installed on right preshoot control spring, right preshoot control block and the right side inside right preshoot control box
Preshoot controls shift fork, and the right preshoot control connection club connecting with right preshoot control shift fork, and controls connected ball with right preshoot
Bar controls the right preshoot control flaps horn of connection stud connection by right preshoot, and is installed on right preshoot control flaps horn bottom
Right preshoot controls steering engine；The right preshoot control spring is located in the cylinder groove that right preshoot control box is internally provided with, and right preshoot
Control spring one end is connect with right preshoot control box, and the other end is connect with right preshoot control block；The right preshoot control gear
Block is movably installed in right preshoot control its cylinder groove of box；The right preshoot control shift fork controls shift fork axle and the right side by right preshoot
Preshoot controls box connection；The right preshoot control shift fork its away from right preshoot control connection club ball one end be installed in right preshoot control
In the groove that block processed is equipped with, when work, right preshoot control steering engine drives right preshoot control flaps horn rotation, while right preshoot
Control shift fork is stirred right preshoot control block under the drive that right preshoot controls connection club and is moved upwards, release rifle connection
Frame, rifle start preshoot, and right preshoot control mechanism resets before rifle enters position again later, and rifle connects after rifle enters position again
The right boss for connecing frame hits right preshoot control block, rear stop motion, and shooting circulation terminates；The left front body that rushes includes left front punching
Body frame, and it is movably installed in the left front the second from left grade hydraulic bjuffer for rushing body frame side, and be fixed on the left front left side rushed above body frame
Preshoot control mechanism, and it is fixed on the left front the second from left grade buffer guide rail for rushing body frame upper and lower sides, and be slidably mounted on left level 2 buffering
The second from left grade buffer sliding block on guide rail, and the second from left grade bumper bracket being connected with the second from left grade buffer sliding block by screw, and be fixed on
The left front left rail rushed on the inside of body frame, and be installed on it is left front rush on the inside of body frame it is left front rush spring guide rod seat, and through being installed on a left side
Preshoot spring guide rod on the inside of preshoot body frame, and be movably installed on preshoot spring guide rod left front rush spring；It is described left front to rush spring guide rod
One end and the left front spring guide rod seat that rushes are connected, and the other end and the left front body frame that rushes are connected, and when left buffering body running, left front punching is controlled
Mechanism discharge rifle connection frame in rifle mounting blocks left boss, rifle mounting blocks it is left front rush spring under the action of start preshoot,
Rifle is opened fire during preshoot, and rifle and rifle connection frame start recoil later, and compression is left front to rush spring, while the left front body frame that rushes exists
Left front rush compresses the second from left grade hydraulic bjuffer under the action of spring, rifle and rifle connection frame recoil start afterwards in place it is multiple into, it is multiple into
After in place it is left front rush control mechanism under the action of stop motion, fire complete；The left front control mechanism that rushes passes through spiral shell
Nail rushes the fixed installation of body frame with left front；The left front control mechanism that rushes includes left front punching control box, and is installed on left front punching control
Left front punching control spring, left front punching control block and left front punching inside box control shift fork, and connect with left front punching control shift fork
Left front punching control connection club, and pass through the left front punching control of left front punching control connection stud connection with left front punching control connection club
Steering engine arm processed, and it is installed on the left front left front punching control steering engine for rushing control flaps horn bottom；The left front punching control spring is located at a left side
In the cylinder groove that preshoot control box is internally provided with, and left front punching control spring one end is connect with left front punching control box, another
End is connect with left front punching control block；The left front punching control block is movably installed in left front punching control its cylinder groove of box；Institute
It states left front punching control shift fork and is connect by left front punching control shift fork axle with left front punching control box；Described its back of left front punching control shift fork
It is installed in the left front groove that is equipped with of punching control block from left front punching control connection club ball one end, when work, left front punching is controlled
Steering engine processed drives the left front control flaps horn that rushes to rotate, while left front punching control shift fork connects under the drive of club in left front punching control
It stirs left front punching control block to move upwards, discharges rifle connection frame, rifle starts preshoot, and the left front control mechanism that rushes is in step later
Rifle resets before entering position again, and rifle enters the left front punching control block of left boss shock of rifle connection frame behind position again, rear to stop
Movement, shooting circulation terminate.
As preferred embodiment, the preceding connecting hoop and rear connecting hoop pass through screw and right preshoot body and left front respectively
Body is rushed to be connected.
As preferred embodiment, the preceding connecting hoop is fixed on right preshoot body by screw and the left front body one end that rushes is pushed up
Face；Connecting hoop is fixed on right preshoot body by screw and left front rushes body one end bottom surface after described.
Compared with prior art, the small drone for rifle recoil buffering of the utility model is low
Recoil forward rushing mechanism has in shooting using the platform of whole rifle preshoot percussion principle and subtracts recoil effect, recoil well
Maximum value is 65.6N, 16.2% to shoulder active force maximum value when being only people's fire from the shoulder.
Detailed description of the invention
Fig. 1 is the forward rushing mechanism structural schematic diagram of the utility model.
Fig. 2 is the right preshoot body structural schematic diagram of the utility model；
Wherein, figure (a) is the inside structure schematic diagram of right preshoot body, and figure (b) is the outside structure diagram of right preshoot body.
Fig. 3 is that the left front of the utility model rushes body structural schematic diagram；
Wherein, figure (a) is the left front inside structure schematic diagram for rushing body, and figure (b) is the left front outside structure diagram for rushing body.
Fig. 4 is the right preshoot control mechanism structural schematic diagram of the utility model.
Fig. 5 is that the left front of the utility model rushes control mechanism structural schematic diagram.
Fig. 6 is the shooting platform status schematic diagram of the utility model；
Wherein, figure (a) is moment schematic diagram pending, and figure (b) is triggering pulling moment schematic diagram, and figure (c) is that rifle preshoot is arrived
Position moment schematic diagram, figure (d) is automatic machine recoil moment schematic diagram in place, and figure (e) is that automatic machine enters a moment signal again
Figure, figure (f) is rifle recoil moment schematic diagram in place, and figure (g) is that rifle enters a moment schematic diagram again.
Fig. 7 is the topological structure schematic diagram of the rifle virtual prototype of the utility model.
Fig. 8 is that the rifle of the utility model is averaged P-T curve schematic diagram.
Fig. 9 is the breech housing speed and displacement changing curve schematic diagram of the riflery circulation of the utility model.
Figure 10 is the breech housing movement velocity simulation value and test value contrast schematic diagram of the utility model.
Figure 11 is the utility model based on whole rifle preshoot percussion principle riflery model topology structural schematic diagram.
Figure 12 is the body of a gun speed change curves schematic diagram of the utility model.
Figure 13 is the shooting platform recoil change curve schematic diagram of the utility model.
Figure 14 be the utility model platform recoil with support shoulder power maximum value contrast schematic diagram.
Figure 15 is the rifle recoil velocity maximum value contrast schematic diagram of the utility model.
Figure 16 is the body of a gun velocity simulation and test data contrast schematic diagram of the utility model.
Figure 17 is the emulation of shooting platform recoil and test data contrast schematic diagram of the utility model.
Figure 18 is the emulation data and test data contrast schematic diagram of the utility model.
Platform recoil change curve schematic diagram is shot when Figure 19 is the burst-firing of the utility model.
Each component mark in attached drawing are as follows: 1- forward rushing mechanism, the right preshoot body of 1A-, 1B- is left front to rush body, connecting hoop before 1C-, 1D-
Connecting hoop afterwards,
The right preshoot body frame of 1A1-, the right preshoot control mechanism of 1A2-, the right preshoot spring of 1A3-, the right level 2 buffering sliding block of 1A4-,
The right level 2 buffering guide rail of 1A5-, the right level 2 buffering frame of 1A6-, the right guide rail of 1A7-, 1A8- preshoot spring guide rod, the right preshoot spring of 1A9- are led
Pole socket, the right 2-level hydraulic buffer of 1A10-,
The right preshoot of 1A21- controls box, and the right preshoot of 1A22- controls spring, and the right preshoot of 1A23- controls block, the right preshoot of 1A24-
Shift fork is controlled, the right preshoot of 1A25- controls shift fork axle, the right preshoot control connection club of 1A26-, and the right preshoot of 1A27- controls connecting column
Nail, the right preshoot control flaps horn of 1A28-, the right preshoot of 1A29- control steering engine, and the left front punching of 1A210- controls the cylinder groove of box,
The groove of the left front punching control block of 1A211-,
1B1- is left front to rush body frame, and 1B2- is left front to rush control mechanism, and 1B3- is left front to rush spring, 1B4- the second from left grade buffer sliding block,
1B5- the second from left grade buffer guide rail, 1B6- the second from left grade bumper bracket, 1B7- left rail, 1B8- preshoot spring guide rod, the left front spring that rushes of 1B9- are led
Pole socket, 1B10- the second from left grade hydraulic bjuffer,
The left front punching of 1B21- controls box, and the left front punching of 1B22- controls spring, and the left front punching of 1B23- controls block, the left front punching of 1B24-
Shift fork is controlled, the left front punching of 1B25- controls shift fork axle, the left front punching control connection club of 1B26-, and the left front punching of 1B27- controls connecting column
Nail, 1B28- is left front to rush control flaps horn, and the left front punching of 1B29- controls steering engine, and the left front punching of 1B210- controls the cylinder groove of box,
The groove of the left front punching control block of 1B211-.
Specific embodiment
The low recoil forward rushing mechanism of small drone for rifle recoil buffering as shown in Figures 1 to 5, including soft-recoil mechanism
Structure 1 the preshoot kinetic energy of rifle and works as a buffer when being used to provide shooting at rifle recoil；The forward rushing mechanism 1 includes
Symmetrically arranged right preshoot body 1A and left front rush body 1B；The right preshoot body 1A and left front rush before the both ends body 1B pass through respectively connect
Box cupling 1C is fixedly connected with rear connecting hoop 1D；The right preshoot body 1A includes right preshoot body frame 1A1, and is movably installed in right preshoot
The right 2-level hydraulic buffer 1A10 of the side body frame 1A1, and it is fixed on the right preshoot control mechanism above right preshoot body frame 1A1
1A2, and it is fixed on the right level 2 buffering guide rail 1A5 of right preshoot body frame 1A1 upper and lower sides, and be slidably mounted on right level 2 buffering guide rail
Right level 2 buffering sliding block 1A4 on 1A5, and the right level 2 buffering frame 1A6 being connected with right level 2 buffering sliding block 1A4 by screw,
And it is fixed on the right guide rail 1A7 on the inside of right preshoot body frame, and be installed on the right preshoot spring guide rod seat on the inside of right preshoot body frame 1A1
1A9, and through the preshoot spring guide rod 1A8 being installed on the inside of right preshoot body frame 1A1, and be movably installed on preshoot spring guide rod 1A8
Right preshoot spring 1A3；The right preshoot spring guide rod 1A8 one end and right preshoot spring guide rod seat 1A9 are connected, before the other end and the right side
Body frame 1A1 is rushed to be connected；The right preshoot control mechanism 1A2 is fixedly mounted by screw and right preshoot body frame 1A1；The right preshoot
Control mechanism 1A2 includes right preshoot control box 1A21, and is installed on the right preshoot control spring inside right preshoot control box 1A21
1A22, right preshoot control block 1A23 and right preshoot control shift fork 1A24, and before the right side connecting with right preshoot control shift fork 1A24
Punching control connection club 1A26, and control connection club 1A26 with right preshoot and connection stud 1A27 connection is controlled by right preshoot
Right preshoot control flaps horn 1A28, and it is installed on the right preshoot control steering engine 1A29 of the bottom right preshoot control flaps horn 1A28；Institute
It states right preshoot control spring 1A22 to be located in the cylinder groove 1A210 that right preshoot control box 1A21 is internally provided with, and right preshoot controls
Spring 1A22 one end is connect with right preshoot control box 1A21, and the other end is connect with right preshoot control block 1A23；Before the right side
Punching control block 1A23 is movably installed in right preshoot control its cylinder groove of box 1A21 1A210；The right preshoot controls shift fork
1A24 controls shift fork axle 1A25 by right preshoot and connect with right preshoot control box 1A21；The right preshoot control shift fork 1A24 its
Connection one end club ball 1A26 is controlled away from right preshoot to be installed in the groove 1A211 that right preshoot control block 1A23 is equipped with；
It is described it is left front rush body 1B include it is left front rush body frame 1B1, and be movably installed in the left front the second from left grade hydraulic cushion for rushing the side body frame 1B1
Device 1B10, and be fixed on it is left front rush above body frame 1B1 it is left front rush control mechanism 1B2, and be fixed on and left front rush body frame 1B1 or more
The second from left grade buffer guide rail 1B5 of side, and the second from left grade buffer sliding block 1B4 being slidably mounted on the second from left grade buffer guide rail 1B5, and with
The second from left grade bumper bracket 1B6 that the second from left grade buffer sliding block 1B4 is connected by screw, and be fixed on the left front left side rushed on the inside of body frame and lead
Rail 1B7, and be installed on it is left front rush on the inside of body frame 1B1 it is left front rush spring guide rod seat 1B9, and left front rush body frame 1B1 through being installed on
The preshoot spring guide rod 1B8 of inside, and be movably installed on preshoot spring guide rod 1B8 left front rush spring 1B3；It is described left front to rush spring guide rod
1B8 one end and the left front spring guide rod seat 1B9 that rushes are connected, and the other end and the left front body frame 1B1 that rushes are connected；It is described left front to rush control machine
Structure 1B2 is fixedly mounted by screw and the left front body frame 1B1 that rushes；The left front control mechanism 1B2 that rushes includes left front punching control box
1B21, and be installed on left front punching control spring 1B22 inside left front punching control box 1B21, left front punching controls block 1B23 and left front
Punching control shift fork 1B24, and with it is left front punching control shift fork 1B24 connect left front punching control connect club 1B26, and with left front punching
Control connection club 1B26 controls connection the left front of stud 1B27 connection by left front punching and rushes control flaps horn 1B28, and is installed on
The left front left front punching control steering engine 1B29 for rushing the bottom control flaps horn 1B28；The left front punching control spring 1B22 is located at left front punching
In the cylinder groove 1B210 that control box 1B21 is internally provided with, and left front punching control spring 1B22 one end and left front punching control box
1B21 connection, the other end are connect with left front punching control block 1B23；The left front punching control block 1B23 is movably installed in a left side
Preshoot controls in its cylinder groove of box 1B21 1B210；The left front punching control shift fork 1B24 controls shift fork axle 1B25 by left front punching
It is connect with left front punching control box 1B21；The left front punching controls shift fork 1B24, and it deviates from left front punching control connection club ball 1,B26 mono-
End is installed in the groove 1B211 that left front punching control block 1B23 is equipped with.
The low recoil forward rushing mechanism of small drone for rifle recoil buffering of the utility model, the course of work is such as
Under:
When the right buffering body running of right preshoot body, the right side of rifle mounting blocks in right preshoot control mechanism release rifle connection frame
Boss, rifle mounting blocks start preshoot under the action of right preshoot spring, and rifle is opened fire during preshoot, and rifle and rifle connect later
It connects frame and starts recoil, compress right preshoot spring, while right preshoot body frame compresses right 2-level hydraulic buffering under the action of right preshoot spring
Device, rifle and rifle connection frame recoil start multiple into stopping under the action of right preshoot control mechanism after entering position again afterwards in place
Movement, fire are completed；
When right preshoot control mechanism works, right preshoot control steering engine drives right preshoot control flaps horn rotation, while before the right side
Punching control shift fork is stirred right preshoot control block under the drive that right preshoot controls connection club and is moved upwards, release rifle connection
Frame, rifle start preshoot, and right preshoot control mechanism resets before rifle enters position again later, and rifle connects after rifle enters position again
The right boss for connecing frame hits right preshoot control block, rear stop motion, and shooting circulation terminates；
When the left front left buffering body running for rushing body, the left front left side for rushing rifle mounting blocks in control mechanism release rifle connection frame
Boss, rifle mounting blocks it is left front rush spring under the action of start preshoot, rifle is opened fire during preshoot, and rifle and rifle connect later
Connect frame and start recoil, compress it is left front rushes spring, while it is left front rush body frame it is left front rush spring under the action of compress the second from left grade hydraulic cushion
Device, rifle and rifle connection frame recoil start afterwards in place it is multiple into, enter again behind position it is left front rush control mechanism under the action of stop
Movement, fire are completed；
Left front when rushing control mechanism work, left front punching control steering engine drives the left front control flaps horn that rushes to rotate, while left front
Punching control shift fork is stirred left front punching control block under the drive of left front punching control connection club and is moved upwards, release rifle connection
Frame, rifle start preshoot, and the left front control mechanism that rushes resets before rifle enters position again later, and rifle connects after rifle enters position again
The left boss for connecing frame hits left front punching control block, rear stop motion, and shooting circulation terminates.
The principle model of riflery platform is established based on whole rifle preshoot percussion principle, the motion state in each stage is as schemed
Shown in 6, when shooting, rifle travels forward a distance Δ under the action of preshoot spring, obtains enough preshoot speed rear triggers
Trigger shaft is hit, the precompression of trigger shaft is greater than triggering pulling power, completes triggering pulling movement, frees hammer；Rifle continuation is transported forward
After dynamic distance s, hammer hits firing pin, fires the fire in a stove before fuel is added, rifle starts recoil under the action of powder gases, while automatic machine starts
Recoil；During rifle recoil, automatic machine successively completes the movement such as unlock, take out shell, ejection, push away bullet, locking, later rifle recoil
Start in place multiple into until entering position again, a completion round is acted；
In shooting course, shooting platform is mainly influenced by power in the rifle direction of motion, including preshoot spring force, mainspring
Power and frictional force；Therefore the resultant force for shooting the power in this direction that platform receives is defined as to the recoil of shooting platform, and with this
For research object, to shoot platform recoil maximum value as objective function；
Selection rifle preshoot initial position is coordinate origin, is that positive direction establishes coordinate system along rifle preshoot direction；The body of a gun
As basic component, shooting platform mechanism differential equation of motion such as formula is established using non-fully dynamical mass replacement method
(1) shown in,
In formula, M is whole rifle quality (in addition to automatic machine；miFor i-th of working component quality；FbTo act on the master on the body of a gun
Power, including bore resultant force, air chamber pressure counter-force, preshoot spring force, frictional force etc.；FiTo act on i-th of working component
Power includes air chamber pressure, pumping shell resistance, ejection resistance, frictional force etc.； kiIt is i-th of working component to the transmission velocity ratio of casing；ηi
It is i-th of working component to the transmission efficiency of casing；N is the number of working component；
It shoots shown in platform recoil calculation formula such as formula (2),
In formula, f is shooting platform recoil；kqFor preshoot spring rigidity；X is rifle displacement；fq0For preshoot spring precompression；fm
For frictional force；fj0For mainspring precompression；kjFor mainspring rigidity；
Shown in objective function calculation formula such as formula (3),
In formula, v1Start the speed relative to casing for breech housing recoil；v'1For automatic machine can complete unlock, take out shell,
Minimum speed of the breech housing of the movements such as ejection relative to casing；v2For breech housing start it is multiple into speed； v'2For automatic function
Enough complete minimum speed of the breech housing relative to casing for pushing away bullet, entering the movements such as position again；λ is the peace for guaranteeing rifle safe stopping and penetrating
Full distance.
The virtual sample of riflery based on whole rifle preshoot percussion principle is established using ADAMS Dynamics Simulation software
Machine, the specific operation method is as follows:
The first step, the foundation and verifying of rifle virtual prototype,
A. the foundation of model establishes the threedimensional model of the type rifle using Solidworks software, after Model Mounting is good
Component is successively imported in ADAMS software；
The boundary condition of rifle is set as consolidating with ground by b. boundary condition and topological structure, virtual prototype first after establishing
It is fixed, the accuracy of virtual prototype is verified by the movement of automatic machine；Rifle and the fixed joint on ground are released after being proved to be successful,
Correlative study is carried out, as shown in fig. 7, establishing the topological structure of rifle virtual prototype；
C. the application of load, rifle external loads used in this test mainly include bore resultant force, air chamber pressure, gas
Chamber pressure counter-force, ejection resistance, spring force etc. are illustrated in figure 8 the type rifle and are averaged P-T curve；
D. the emulation and verifying of model carries out dynamics simulation to the virtual prototype of foundation, as shown in figure 9, obtaining rifle
Rifle muzzle direction definition is the positive direction of movement, weapon percussion by the breech housing speed and displacement changing curve for shooting circulation
Afterwards, air chamber pressure starts to act on piston, and breech housing starts recoil movement under the effect of piston, wherein the gunlock at mark A
Frame first generates shock with hammer, then generates shock with gunlock after unlocking, drives the movement of gunlock recoil；It identifies at B
Velocity variations are as caused by pumping shell resistance；Identifying indicates that breech housing drives hammer and buffer to generate collision at C, in buffer spring
Under the action of speed constantly reduce；Identifying indicates that buffer generates collision, rifle with gun stock under the drive of hammer and breech housing at D
Machine frame recoil in place and start it is multiple into；Breech housing enters position again at mark E, and entire shooting course is completed；
E. breech housing several representative characteristic point emulation data and test data are chosen to compare such as Figure 10 institute
Show, as seen from the figure, the velocity simulation value and test value error of breech housing key feature points are established within 10%
Rifle virtual prototype credibility with higher；
Second step, the foundation of the riflery virtual prototype based on whole rifle preshoot percussion principle,
The riflery virtual prototype based on whole rifle preshoot percussion principle is established on the basis of rifle virtual prototype；For
Keep the structure of virtual prototype simple, improve computational efficiency, ground is replaced into shooting platform, fixed joint changes between rifle and ground
For prismatic pair, topological structure is as shown in figure 11.
Shooting platform subtracts recoil effect analysis,
Dynamics simulation is carried out based on the riflery virtual prototype of whole rifle preshoot percussion principle to foundation, such as Figure 12 and
Shown in 13, body of a gun speed change curves and shooting platform recoil change curve are obtained；Wherein, identify indicates rifle preceding at A
It rushes under the action of spring and starts preshoot；After trigger shock trigger shaft at mark B, touched under the action of trigger spring with casing generation
It hits, therefore body of a gun speed has be mutated twice here；Indicate that bore resultant force starts to act at mark C；Identify body of a gun speed at D
Reduce suddenly, this is because caused by powder gases effect later period air chamber pressure counter-force is greater than breech pressure；Identifying indicates at E
Rifle, which is unlocked, to be completed；Identifying at F is as caused by ejection resistance；Identifying indicates that breech housing drives hammer and buffer to generate at G
Collision starts to compress buffer spring；Identifying indicates that buffer generates collision, rifle with gun stock under the drive of breech housing and hammer at H
Machine frame recoil start in place it is multiple into；Rifle recoil starts multiple into hammer generates collision with single-shot resistance iron and makes later in place at mark I
At rifle velocity jump；Breech housing enters position again at mark J and casing generates collision；Rifle enters position again at mark K, whole
A fire is completed；
Subtract recoil effect to preferably compare shooting platform, will be shot in shooting course platform recoil maximum value with
The comparison of shoulder power maximum value is supported when testing obtained fire from the shoulder as shown in figure 14, is fired using preshoot and is not walked with preshoot percussion is not used
Rifle recoil velocity maximum value compares as shown in figure 15；Shooting platform recoil maximum value fmax is only to support shoulder active force maximum
The 16.2% of value uses preshoot percussion rifle recoil velocity maximum value not use preshoot to fire rifle recoil velocity maximum value
54.4%, illustrate the low recoil shooting platform that principle is fired based on whole rifle preshoot subtracts recoil effect clearly.
Verification experimental verification, by rifle be mounted on the utility model be used for rifle recoil buffering the low recoil of small drone before
On punch mechanism, the Live Fire Testing of single-shot and five running fires is carried out, and rifle in shooting course is acquired by high-speed camera and is displaced,
Rifle velocity variations and shooting platform recoil variation are calculated by the variation that rifle is displaced；Sample frequency be set as 4k frame/
Second, the confidence level of test data can be improved；
The speed of the rifle body of a gun is the important parameter of riflery, it is specified that muzzle direction is positive direction, simulation process and examination
Rifle body of a gun speed change curves are as shown in figure 16 during testing, and shooting platform recoil change curve is as shown in figure 17, can be with
Find out that emulation data and test data maintain preferable consistency in rule；The trial curve of rifle speed is simultaneously in Figure 16
Rough, this is because caused by the vibration of shooting platform and the energy loss of preshoot spring, the influence very littles of these factors can be with
Ignore；There are certain deviations for the simulation curve and trial curve that platform recoil is shot in Figure 17, this is because penetrating when test
Hit platform frictional force it is uneven caused by, frictional force influences very little for preshoot spring force, therefore can ignore；
Rifle several representative characteristic point emulation data and test data are chosen to compare as shown in figure 18,
In, v1、v2、v3、fmaxRespectively represent rifle preshoot speed maximum value, rifle recoil velocity maximum value, rifle enter again bit rate,
Shoot platform recoil maximum value, emulation data and test data worst error are 1.9%, the result of virtual prototype have compared with
High credibility；
As shown in figure 19, platform recoil changes the variation of platform recoil in regularity during rifle burst-firing, and
Accumulation is not generated；Therefore subtract well it can be concluded that being had based on the riflery platform that whole rifle preshoot fires principle
Recoil effect.
Above-described embodiment is only the better embodiment of the utility model, therefore all according to the utility model patent application range
The equivalent change or modification that the structure, feature and principle is done, is included in the scope of the utility model patent application.
Claims (3)
1. a kind of low recoil forward rushing mechanism of small drone for rifle recoil buffering, it is characterised in that: including being symmetrical arranged
Right preshoot body and left front rush body；The right preshoot body and left front rush that body both ends pass through preceding connecting hoop respectively and rear connecting hoop is fixed
Connection；The right preshoot body includes right preshoot body frame, and is movably installed in the right 2-level hydraulic buffer of right preshoot body frame side,
And it is fixed on the right preshoot control mechanism above right preshoot body frame, and be fixed on the right level 2 bufferings of right preshoot body frame upper and lower sides and lead
Rail, and the right level 2 buffering sliding block being slidably mounted on right level 2 buffering guide rail, and it is solid by screw with right level 2 buffering sliding block
Right level 2 buffering frame even, and is fixed on the right guide rail on the inside of right preshoot body frame, and before being installed on the right side on the inside of right preshoot body frame
Spring guide rod seat is rushed, and through the preshoot spring guide rod being installed on the inside of right preshoot body frame, and is movably installed on preshoot spring guide rod
Right preshoot spring；The right preshoot spring guide rod one end and right preshoot spring guide rod seat are connected, and the other end and right preshoot body frame are connected；
The right preshoot control mechanism is fixedly mounted by screw and right preshoot body frame；The right preshoot control mechanism includes right preshoot control
Box processed, and it is installed on right preshoot control spring, right preshoot control block and right preshoot control shift fork inside right preshoot control box, and
The right preshoot control connection club being connect with right preshoot control shift fork, and control connection club with right preshoot and controlled by right preshoot
The right preshoot control flaps horn of stud connection is connected, and is installed on the right preshoot control steering engine of right preshoot control flaps horn bottom；
The right preshoot control spring is located in the cylinder groove that right preshoot control box is internally provided with, and right preshoot control spring one end and the right side
Preshoot controls box connection, and the other end is connect with right preshoot control block；Before the right preshoot control block is movably installed in the right side
In punching control its cylinder groove of box；The right preshoot control shift fork controls shift fork axle by right preshoot and connect with right preshoot control box；
The right preshoot control shift fork its away from right preshoot control connection club ball one end be installed in what right preshoot control block was equipped with
In groove；It is described it is left front rush body include it is left front rush body frame, and be movably installed in the left front the second from left grade hydraulic cushion for rushing body frame side
Device, and be fixed on it is left front rush above body frame it is left front rush control mechanism, and to be fixed on the left front the second from left grade for rushing body frame upper and lower sides slow
Guide rail is rushed, and the second from left grade buffer sliding block being slidably mounted on the second from left grade buffer guide rail, and pass through spiral shell with the second from left grade buffer sliding block
The connected the second from left grade bumper bracket of nail, and it is fixed on the left front left rail rushed on the inside of body frame, and be installed on left front rush on the inside of body frame
It is left front to rush spring guide rod seat, and through being installed on the left front preshoot spring guide rod rushed on the inside of body frame, and it is movably installed in preshoot spring guide rod
On left front rush spring；The left front spring guide rod one end of rushing is connected with the left front spring guide rod seat that rushes, and the other end rushes body frame with left front
It is connected；The left front control mechanism that rushes is fixedly mounted by screw and the left front body frame that rushes；The left front control mechanism that rushes includes a left side
Preshoot controls box, and is installed on left front punching control spring, left front punching control block and left front punching control inside left front punching control box
Shift fork, and the left front punching control connection club being connect with left front punching control shift fork, and control connection club with left front punching and pass through a left side
The left front of preshoot control connection stud connection rushes control flaps horn, and is installed on the left front left front punching control for rushing control flaps horn bottom
Steering engine processed；The left front punching control spring is located in the left front cylinder groove that is internally provided with of punching control box, and left front punching control spring its
One end is connect with left front punching control box, and the other end is connect with left front punching control block；The left front punching control block activity peace
Loaded in left front punching control its cylinder groove of box；The left front punching control shift fork controls shift fork axle by left front punching and left front punching controls
Box connection；The left front punching controls shift fork, and it is installed on left front punching control block away from left front punching control connection club ball one end
In the groove being equipped with.
2. the small drone low recoil forward rushing mechanism according to claim 1 for rifle recoil buffering, feature exist
In: the preceding connecting hoop and rear connecting hoop pass through screw respectively and are connected with right preshoot body and the left front body that rushes.
3. the small drone low recoil forward rushing mechanism according to claim 2 for rifle recoil buffering, feature exist
Right preshoot body is fixed on by screw in: the preceding connecting hoop and left front rushes body one end top surface；Connecting hoop passes through screw after described
It is fixed on right preshoot body and left front rushes body one end bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608101.7U CN209209038U (en) | 2018-09-29 | 2018-09-29 | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608101.7U CN209209038U (en) | 2018-09-29 | 2018-09-29 | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209209038U true CN209209038U (en) | 2019-08-06 |
Family
ID=67455156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821608101.7U Expired - Fee Related CN209209038U (en) | 2018-09-29 | 2018-09-29 | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209209038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204828A (en) * | 2018-09-29 | 2019-01-15 | 中国人民解放军陆军工程大学 | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering |
| CN110525660A (en) * | 2019-09-11 | 2019-12-03 | 中航技进出口有限责任公司 | A kind of machine gun carry and driving structure for unmanned plane |
-
2018
- 2018-09-29 CN CN201821608101.7U patent/CN209209038U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204828A (en) * | 2018-09-29 | 2019-01-15 | 中国人民解放军陆军工程大学 | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering |
| CN109204828B (en) * | 2018-09-29 | 2023-11-10 | 中国人民解放军陆军工程大学 | Low-recoil front-stroke mechanism of small unmanned aerial vehicle for rifle recoil buffering |
| CN110525660A (en) * | 2019-09-11 | 2019-12-03 | 中航技进出口有限责任公司 | A kind of machine gun carry and driving structure for unmanned plane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108945493A (en) | Low-backseat mounting platform of small unmanned aerial vehicle | |
| CN209209038U (en) | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering | |
| CN106123682A (en) | A kind of two gun barrel BB bullet trigger mechanisms of energy continuous fire | |
| CN108423188B (en) | Unmanned aerial vehicle cloud deck mechanism for mounting firearms | |
| CN209321258U (en) | Low-backseat mounting platform of small unmanned aerial vehicle | |
| CN204730747U (en) | A kind of high speed smooth bore trajectory emitter | |
| CN109204828A (en) | A low squat preshoot mechanism of unmanned aerial vehicle for rifle squat buffering | |
| CN110631412B (en) | Automatic piston long-stroke air guide backseat system of medium-large-diameter high-precision automatic rifle | |
| CN208828125U (en) | Firing device of low-recoil mounting platform of small unmanned aerial vehicle | |
| RU131142U1 (en) | COMBINED ARROW AUTOMATIC ENGINE WITH BARREL AND BALANCING UNIT WITH ONE DRIVE PISTON | |
| CN2643268Y (en) | Ancillary equipment for true gun blank ammunition laser imitating shooting | |
| Yongjian et al. | Research on low recoil launch technology of small UAV with small arms mounted on it based on floating principle | |
| CN109916220A (en) | A kind of machine gun reel cage assembly | |
| CN201421292Y (en) | Novel automatic amphibious rifle | |
| CN215909748U (en) | Firearm without recoil or with low recoil | |
| CN214173116U (en) | Simulated shell launching device for actual combat simulated confrontation system | |
| CN205718656U (en) | A kind of impact type muzzle brake | |
| CN200986409Y (en) | Gunnery rapid-fire pressure counter-recoil device | |
| CN209445882U (en) | A kind of muzzle brake and pistol | |
| Allsop et al. | Case shot: an interim report on experimental firing and analysis to interpret early modern battlefield assemblages | |
| CN113932657A (en) | Recoilless firework launching device and method adopting electromagnetic recoil mechanism | |
| CN209037862U (en) | Rifle link of low-recoil mounting platform of small unmanned aerial vehicle | |
| CN102840791A (en) | Compact pistol with forward barrel | |
| CN110243230B (en) | Light-weight low recoil automatic weapon | |
| CN201917270U (en) | 03 type rifle automat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |