CN111457795A - Speed reduction lifting mechanism for rocket gun - Google Patents
Speed reduction lifting mechanism for rocket gun Download PDFInfo
- Publication number
- CN111457795A CN111457795A CN202010270833.5A CN202010270833A CN111457795A CN 111457795 A CN111457795 A CN 111457795A CN 202010270833 A CN202010270833 A CN 202010270833A CN 111457795 A CN111457795 A CN 111457795A
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- ring
- assembly
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- pair
- worm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G5/00—Elevating or traversing control systems for guns
- F41G5/14—Elevating or traversing control systems for guns for vehicle-borne guns
- F41G5/24—Elevating or traversing control systems for guns for vehicle-borne guns for guns on tanks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a speed reduction lifting mechanism for a rocket gun, wherein a servo motor is connected with a worm gear pair assembly through a speed reducer, the speed reducer reduces the rotating speed of the servo motor and drives the worm gear pair assembly to rotate, the worm gear pair assembly is meshed with worm gear teeth of a rotary outer ring, and a shell of the worm gear pair assembly is fixed on a base; the tower-shaped threaded transmission pair is a threaded transmission pair formed by sequentially connecting a plurality of layers of ring components through threads, a bottom ring component of the tower-shaped threaded transmission pair is fixed with the rotary outer ring, and the bottom ring component is movably connected with the base through a rotary bearing; the upper end and the lower end of the guide pillar component are respectively connected with a top ring and a base of the tower-shaped threaded transmission pair, and the guide pillar component is arranged in the centers of the base and the tower-shaped threaded transmission pair. Through the technical scheme of the invention, the energy loss and waste of the rocket gun lifting mechanism are reduced, the lifting precision is improved, the occupied extra space, the failure rate, the maintenance period and the cost are reduced, the universality is high, and the structure is simple.
Description
Technical Field
The invention relates to the technical field of transmission devices, in particular to a speed reduction lifting mechanism for a rocket gun.
Background
Rocket guns are launching devices that propel projectiles forward by means of a rocket motor carried by the projectile itself. Because the gun barrel (or the launching guide rail) does not need to bear the pressure of strong gunpowder generated during launching, a plurality of gun barrels can be combined together to shoot a large number of rocket projectiles in a short time, the gun barrel is suitable for carrying out dense shooting on a long-distance large-area target, has very strong firepower and has shock effect on the spirit of an enemy. Only a few rocket guns are single-tube rocket guns, most rocket guns are various such as 4 tubes, 12 tubes, 16 tubes, 30 tubes and 40 tubes, the structure is simple, the operation is reliable, the maneuverability is good, and the rocket guns are suitable for equipping artillery troops below groups.
The vehicle-mounted rocket gun mainly comprises a tubular direction finder, an upper frame platform, a sighting mechanism, a lower frame, a sighting device and a firing system. The director consists of a plurality of rows of directing tubes, wherein the middle row of directing tubes is the basis for the pitch and support of the director. The aiming mechanism consists of a height machine and a direction machine. The high-low machine is arranged on the upper frame and drives the orientator to pitch through the tooth arc. The steering gear is in a screw structure and is combined on the upper frame platform and the vehicle body, and the lower frame comprises the vehicle body, a big frame, a bracket, wheels and the like. The vehicle body is connected with the big frame, the support, the wheels, the upper frame platform and the steering gear through the rapid disassembling and combining device.
At present, in order to make rocket gun by oneself can with the tank synchronization, realize the accompanying combat with the tank, with big gun body structrual installation on vehicle chassis, the built-in hydraulic lifting platform of automobile body, the rocket gun is installed on the platform, falls down during the marching, rises during the battle, the flexible quick use of puting in of being convenient for.
However, the hydraulic lifting platform provided with the lifting mechanism for the existing vehicle-mounted rocket launcher relates to a hydraulic system, is greatly limited in practical application, and is mainly characterized in that the phenomenon of leakage, falling and dripping of the hydraulic system is extremely easy to occur under extreme and harsh environment temperatures. In addition, along with the requirement of rapid motorized combat, the improvement of the remote delivery capacity of the self-propelled rocket gun is particularly prominent, so that the aviation remote delivery capacity is required. The application of the hydraulic system needs to be matched with necessary devices such as a hydraulic source and the like, the structure is complex, and the pitching lifting mechanism is difficult to reduce weight and miniaturize.
Disclosure of Invention
Aiming at least one of the problems, the invention provides a speed reduction lifting mechanism for a rocket gun, which reduces energy loss waste from a power supply to hydraulic energy and then to mechanical energy by adopting electric energy provided by a vehicle-mounted power supply as energy, greatly improves the pitching lifting precision of a pitching lifting frame of the rocket gun by adopting a structural form that a screw pair component is matched with a servo motor, has a simple mechanism, does not have redundant configurations such as redundant hydraulic pump stations, pipelines and the like, can reduce the occupied extra space, the failure rate, the maintenance period and the cost as much as possible on the premise of reducing the weight, can be structurally configured according to the requirements of self-propelled rocket guns of different models, and has the characteristic of high universality.
In order to achieve the above object, the present invention provides a deceleration lifting mechanism for a rocket gun, comprising: the servo motor, the speed reducer, the worm gear and worm pair assembly, the base, the rotary outer ring, the tower-shaped threaded transmission pair and the guide pillar assembly; the servo motor is connected with the worm gear pair assembly through the speed reducer, the speed reducer reduces the rotating speed of the servo motor and drives the worm gear pair assembly to rotate, the worm gear pair assembly is meshed with the worm gear teeth of the rotary outer ring, and a shell of the worm gear pair assembly is fixed on the base; the tower-shaped threaded transmission pair is a threaded transmission pair formed by sequentially connecting a plurality of layers of ring components through threads, a bottom ring component of the tower-shaped threaded transmission pair is fixed with the rotary outer ring, and the bottom ring component is movably connected with the base through a rotary bearing; the upper end and the lower end of the guide pillar component are respectively connected with the top ring of the tower-shaped threaded transmission pair and the base, and the guide pillar component is arranged in the centers of the base and the tower-shaped threaded transmission pair.
In the above technical solution, preferably, the tower-shaped thread transmission pair includes the bottom ring assembly, a second-layer ring assembly, a third-layer ring assembly, a fourth-layer ring assembly, a fifth-layer ring assembly, and the top ring.
In the above technical solution, preferably, the bottom ring assembly, the second-layer ring assembly, the third-layer ring assembly, the fourth-layer ring assembly, the fifth-layer ring assembly and the top ring of the tower-type thread transmission pair are connected by a rectangular thread.
In the above technical solution, preferably, the thread pitches between different layer ring assemblies of the tower-type thread transmission pair are equal.
In the above technical scheme, preferably, the worm-gear pair assembly includes a bearing end cover, a bearing retainer ring, a bearing, a support frame and a worm-gear pair, the worm-gear pair is disposed in the support frame, the bearings are disposed at two ends of the worm-gear pair, two ends of the bearing are axially limited by the bearing end cover and the bearing retainer ring respectively, the reducer drives the worm-gear pair to move under the support of the bearing, and the worm-gear pair drives the rotating outer ring to rotate through meshing transmission.
In the above technical solution, preferably, the rotation of the outer swivel ring drives the bottom ring assembly to rotate synchronously, and the bottom ring assembly rotates relative to the base under the support of the swivel bearing.
In the above technical solution, preferably, horizontal rotation motion of the screw thread is converted into vertical lifting motion among the bottom ring assembly, the second-layer ring assembly, the third-layer ring assembly, the fourth-layer ring assembly, the fifth-layer ring assembly and the top ring, and the vertical lifting motion of the tower-shaped screw thread transmission pair is guided by the guide pillar assembly.
In the above technical solution, preferably, the base is fixed to a fixed frame, the top ring is connected to the rocket launcher pitching elevating frame, and the lifting of the top ring drives the lifting of the rocket launcher pitching elevating frame.
Compared with the prior art, the invention has the beneficial effects that: the electric energy provided by the vehicle-mounted power supply is used as energy, the energy loss waste from the power supply to hydraulic energy to mechanical energy is reduced, the structural form of a worm gear and worm pair assembly matched servo motor is adopted, the pitching lifting precision of the rocket gun pitching lifting frame is greatly improved, the mechanism is simple, redundant configurations such as redundant hydraulic pump stations and pipelines are avoided, the occupied extra space, the fault rate, the maintenance period and the cost can be reduced as much as possible on the premise of reducing the weight, the structural configuration can be carried out according to the requirements of different models of self-propelled rocket guns, and the rocket gun lifting mechanism has the advantage of high universality.
Drawings
FIG. 1 is a schematic perspective view of a deceleration and elevation mechanism for a rocket launcher according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a deceleration lifting mechanism for a rocket gun according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a deceleration lifting mechanism for a rocket gun according to an embodiment of the present invention;
FIG. 4 is a schematic view of a worm and gear pair assembly according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a transmission assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a guide pillar assembly according to an embodiment of the present invention.
In the drawings, the correspondence between each component and the reference numeral is:
1. the servo motor comprises a servo motor, a speed reducer, a worm and gear pair assembly, a bearing end cover, a bearing retaining ring, a bearing, a support frame, a worm and gear pair 35, a base 4, a rotary outer ring 5, a tower-type threaded transmission pair 6, a bottom ring assembly 61, a second-layer ring assembly 62, a third-layer ring assembly 63, a fourth-layer ring assembly 64, a fifth-layer ring assembly 65, a top ring 66, a guide post assembly 7 and a rotary bearing 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 to 3, the present invention provides a deceleration lifting mechanism for a rocket gun, comprising: the device comprises a servo motor 1, a speed reducer 2, a worm gear and worm pair assembly 3, a base 4, a rotary outer ring 5, a tower-shaped threaded transmission pair 6 and a guide post assembly 7. The servo motor 1 is connected with the screw pair assembly 3 through the speed reducer 2, the speed reducer 2 reduces the rotating speed of the servo motor 1 and drives the worm gear pair assembly 3 to rotate, the worm gear pair assembly 3 is meshed with the worm gear teeth of the rotary outer ring 5, and the shell of the worm gear pair assembly 3 is fixed on the base 4; the tower-shaped threaded transmission pair 6 is a threaded transmission pair formed by sequentially connecting a plurality of layers of ring components through threads, a bottom ring component 61 of the tower-shaped threaded transmission pair 6 is fixed with the rotary outer ring 5, and the bottom ring component 61 is movably connected with the base 4 through a rotary bearing 8; the upper end and the lower end of the guide pillar component 7 are respectively connected with the top ring 66 of the tower-shaped threaded transmission pair 6 and the base 4, and the guide pillar component 7 is arranged at the centers of the base 4 and the tower-shaped threaded transmission pair 6.
In the embodiment, the energy loss waste from a power supply to hydraulic energy and then to mechanical energy is reduced by adopting the electric energy provided by the vehicle-mounted power supply as an energy source, the structure form of the worm gear assembly 3 matched with the servo motor 1 is adopted, so that the pitching lifting precision of the rocket gun pitching lifting frame is greatly improved, the mechanism is simple, redundant configurations such as redundant hydraulic pump stations and pipelines are avoided, the occupied extra space, the fault rate, the maintenance period and the cost can be reduced as much as possible on the premise of reducing the weight, the structural configuration can be carried out according to the requirements of self-propelled rocket guns of different models, and the rocket gun pitching lifting frame has the characteristic of high universality.
Specifically, the servo motor 1, the speed reducer 2 and the worm gear pair assembly 3 are sequentially connected and then meshed with the rotary outer ring 5, the rotary outer ring 5 rotates to drive the bottom ring assembly 61 to rotate synchronously, the bottom ring assembly 61 rotates relative to the base 4 under the support of the rotary bearing 8, the rotation of the bottom ring assembly 61 forms relative rotation with other layers of ring assemblies, the relative rotation of different layers of ring assemblies is converted into lifting motion in the vertical direction, and the lifting of the rocket gun pitching lifting frame is achieved.
The servo motor 1 realizes primary speed reduction transmission of the whole set of lifting mechanism through the speed reducer 2, reduces the rotating speed and improves the torque, the meshing transmission of the rotary outer ring 5 and the worm gear and worm pair assembly 3 realizes secondary speed reduction transmission of the whole set of lifting mechanism, and the secondary speed reduction and torque improvement change the power transmission direction from the horizontal direction to the vertical direction. The rotation parameters of the bottom ring assembly 61 can be regulated and controlled by adjusting the rotation direction and the rotation speed of the servo motor 1.
In the above embodiment, preferably, the tower-type thread transmission pair 6 includes a bottom ring assembly 61, a second layer ring assembly 62, a third layer ring assembly 63, a fourth layer ring assembly 64, a fifth layer ring assembly 65 and a top ring 66, and the multilayer ring assembly can realize a large lifting movement, so that a person skilled in the art can determine the specific number of layers of the ring assembly according to the application scenario of the lifting mechanism and the height of the single layer ring assembly in the implementation process.
In the above embodiment, the bottom ring assembly 61, the second-layer ring assembly 62, the third-layer ring assembly 63, the fourth-layer ring assembly 64, the fifth-layer ring assembly 65 and the top ring 66 of the tower-type screw transmission pair 6 are preferably connected by using rectangular threads, and the rectangular threads have the advantage of high transmission efficiency. Preferably, the thread pitch between the different layers of the ring assemblies of the tower-type thread transmission pair 6 is equal, so as to ensure that the feeding amount of each layer of the ring assemblies is the same.
As shown in fig. 4, in the above embodiment, preferably, the worm-gear pair assembly 3 includes a bearing cover 31, a bearing retainer 32, a bearing 33, a support frame 34 and a worm-gear pair 35, the worm-gear pair 35 is disposed in the support frame 34, the bearings 33 are disposed at two ends of the worm-gear pair 35, two ends of the bearing 33 are axially limited by the bearing cover 31 and the bearing retainer 32, the reducer 2 drives the worm-gear pair 35 to move under the support of the bearing 33, so that the kinetic energy of the servo motor 1 is reliably and efficiently transmitted to the worm-gear pair 35, and the worm-gear pair 35 drives the revolving outer ring 5 to rotate through meshing transmission.
As shown in fig. 5 and 6, in the above embodiment, preferably, the horizontal rotation motion of the screw thread between the bottom ring assembly 61, the second-layer ring assembly 62, the third-layer ring assembly 63, the fourth-layer ring assembly 64, the fifth-layer ring assembly 65 and the top ring 66 is converted into the vertical lifting motion, and the vertical lifting motion of the tower-type screw transmission pair 6 is guided by the guide post assembly 7. The screw pair transmission form of the rectangular screw transmission guide rail is accompanied by screw torque in the transmission process, and the influence of the screw torque on the lifting mechanism is well solved by the guiding effect of the guide pillar assembly 7.
In the above embodiment, preferably, in the practical application of the rocket gun, the base 4 is fixed on a fixed frame, the top ring 66 is connected with the rocket gun pitching elevator frame, and the lifting of the top ring 66 drives the lifting of the rocket gun pitching elevator frame, so that the launching system of the rocket gun is reliably, stably and accurately lifted to the required height and angle.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A rocket gun is with speed reduction elevating system which characterized in that includes: the servo motor, the speed reducer, the worm gear and worm pair assembly, the base, the rotary outer ring, the tower-shaped threaded transmission pair and the guide pillar assembly;
the servo motor is connected with the worm gear pair assembly through the speed reducer, the speed reducer reduces the rotating speed of the servo motor and drives the worm gear pair assembly to rotate, the worm gear pair assembly is meshed with the worm gear teeth of the rotary outer ring, and a shell of the worm gear pair assembly is fixed on the base;
the tower-shaped threaded transmission pair is a threaded transmission pair formed by sequentially connecting a plurality of layers of ring components through threads, a bottom ring component of the tower-shaped threaded transmission pair is fixed with the rotary outer ring, and the bottom ring component is movably connected with the base through a rotary bearing;
the upper end and the lower end of the guide pillar component are respectively connected with the top ring of the tower-shaped threaded transmission pair and the base, and the guide pillar component is arranged in the centers of the base and the tower-shaped threaded transmission pair.
2. A rocket gun deceleration elevating mechanism according to claim 1 wherein said tower-type thread transmission pair comprises said bottom ring assembly, two-layer ring assembly, three-layer ring assembly, four-layer ring assembly, five-layer ring assembly and said top ring.
3. The deceleration lifting mechanism for rocket guns according to claim 1, characterized in that the bottom ring component, the second-layer ring component, the third-layer ring component, the fourth-layer ring component, the fifth-layer ring component and the top ring of the tower-type thread transmission pair are connected by rectangular threads.
4. A rocket gun deceleration elevating mechanism according to claim 3 wherein the thread pitch between different ring assemblies of said tower-type thread transmission pair is equal.
5. A deceleration lifting mechanism for a rocket gun according to claim 1, wherein the worm-gear assembly comprises a bearing end cover, a bearing retainer ring, a bearing, a support frame and a worm-gear pair, the worm-gear pair is disposed in the support frame, the bearing is disposed at two ends of the worm-gear pair, two ends of the bearing are axially limited by the bearing end cover and the bearing retainer ring respectively, the reducer drives the worm-gear pair to move under the support of the bearing, and the worm-gear pair drives the outer rotary ring to rotate through meshing transmission.
6. A rocket launcher or other projectile reducing lifting mechanism as defined in claim 5, wherein rotation of said outer swivel ring causes said bottom ring assembly to rotate synchronously, said bottom ring assembly rotating relative to said base supported by said swivel bearing.
7. The deceleration lifting mechanism for rocket guns according to claim 6, characterized in that the horizontal rotation motion of the screw thread is converted into vertical lifting motion among the bottom ring assembly, the second layer ring assembly, the third layer ring assembly, the fourth layer ring assembly, the fifth layer ring assembly and the top ring, and the vertical lifting motion of the tower-shaped screw thread transmission pair is guided by the guide post assembly.
8. A rocket gun deceleration lifting mechanism according to any one of claims 1 to 7, wherein said base is fixed on a fixed frame, said top ring is connected with a rocket gun pitch lifting frame, and the lifting of said top ring drives the lifting of said rocket gun pitch lifting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270833.5A CN111457795A (en) | 2020-04-08 | 2020-04-08 | Speed reduction lifting mechanism for rocket gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270833.5A CN111457795A (en) | 2020-04-08 | 2020-04-08 | Speed reduction lifting mechanism for rocket gun |
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| Publication Number | Publication Date |
|---|---|
| CN111457795A true CN111457795A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010270833.5A Pending CN111457795A (en) | 2020-04-08 | 2020-04-08 | Speed reduction lifting mechanism for rocket gun |
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| CN (1) | CN111457795A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0538208A1 (en) * | 1991-10-18 | 1993-04-21 | Enzo Maggiori | Electrical, telescopic jack |
| RU2241194C1 (en) * | 2003-08-14 | 2004-11-27 | Открытое акционерное общество "ГАЗ" | Weapon elevating gear |
| CN101415635A (en) * | 2006-03-31 | 2009-04-22 | 桑德罗·文图里尼 | Electro-mechanical lifting device |
| CN102200410A (en) * | 2011-03-17 | 2011-09-28 | 张宪云 | Rocket gun carriage capable of automatically loading bomb |
| CN103613044A (en) * | 2013-12-17 | 2014-03-05 | 哈尔滨工业大学 | Multistage screw drive large-stroke automatic underprop tool |
| CN203981007U (en) * | 2014-08-05 | 2014-12-03 | 中国舰船研究设计中心 | The auxiliary bullet device of filling out of a kind of carrier-borne rocket gun |
| CN204529205U (en) * | 2015-03-11 | 2015-08-05 | 宁波捷美进出口有限公司 | Jack |
| CN105910508A (en) * | 2016-06-23 | 2016-08-31 | 江西洪都国际机电有限责任公司 | Butt joint device for obliquely installing warheads |
| CN105947924A (en) * | 2016-05-13 | 2016-09-21 | 张正峰 | Telescopic lifting device and control method thereof |
| CN207259064U (en) * | 2017-10-14 | 2018-04-20 | 深圳市精艺佳科技发展有限公司 | More piece helix tube type motor-driven jack |
| CN108569388A (en) * | 2018-04-25 | 2018-09-25 | 张延林 | Quasi- aircraft carrier main body mechanism and its application method |
-
2020
- 2020-04-08 CN CN202010270833.5A patent/CN111457795A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0538208A1 (en) * | 1991-10-18 | 1993-04-21 | Enzo Maggiori | Electrical, telescopic jack |
| RU2241194C1 (en) * | 2003-08-14 | 2004-11-27 | Открытое акционерное общество "ГАЗ" | Weapon elevating gear |
| CN101415635A (en) * | 2006-03-31 | 2009-04-22 | 桑德罗·文图里尼 | Electro-mechanical lifting device |
| CN102200410A (en) * | 2011-03-17 | 2011-09-28 | 张宪云 | Rocket gun carriage capable of automatically loading bomb |
| CN103613044A (en) * | 2013-12-17 | 2014-03-05 | 哈尔滨工业大学 | Multistage screw drive large-stroke automatic underprop tool |
| CN203981007U (en) * | 2014-08-05 | 2014-12-03 | 中国舰船研究设计中心 | The auxiliary bullet device of filling out of a kind of carrier-borne rocket gun |
| CN204529205U (en) * | 2015-03-11 | 2015-08-05 | 宁波捷美进出口有限公司 | Jack |
| CN105947924A (en) * | 2016-05-13 | 2016-09-21 | 张正峰 | Telescopic lifting device and control method thereof |
| CN105910508A (en) * | 2016-06-23 | 2016-08-31 | 江西洪都国际机电有限责任公司 | Butt joint device for obliquely installing warheads |
| CN207259064U (en) * | 2017-10-14 | 2018-04-20 | 深圳市精艺佳科技发展有限公司 | More piece helix tube type motor-driven jack |
| CN108569388A (en) * | 2018-04-25 | 2018-09-25 | 张延林 | Quasi- aircraft carrier main body mechanism and its application method |
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Application publication date: 20200728 |