CN211626246U - Non-recoil gun launching fixing device for test - Google Patents
Non-recoil gun launching fixing device for test Download PDFInfo
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- CN211626246U CN211626246U CN201922365864.4U CN201922365864U CN211626246U CN 211626246 U CN211626246 U CN 211626246U CN 201922365864 U CN201922365864 U CN 201922365864U CN 211626246 U CN211626246 U CN 211626246U
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Abstract
The utility model discloses a recoilless gun launching fixing device for testing, which comprises a base, a launching rack lower frame, a steering gear and a height machine; the launcher comprises a launcher upper frame, a front sliding seat and a rear sliding seat, wherein the launcher upper frame is provided with a sliding rail, and the sliding rail is provided with the front sliding seat and the rear sliding seat which are used for adjusting the displacement of a recoilless gun; the high-low machine is provided with a seat cylinder, a sliding sleeve is arranged in the seat cylinder, and the sliding sleeve is connected with the high-low screw rod and can lift up and down; an upper base for placing the quadrant B is arranged on the traversing mechanism; the launcher comprises a launcher lower frame, a telescopic and foldable front supporting leg and a fixed rear supporting leg, wherein an angle-adjustable chassis is arranged at the contact end of the front supporting leg and the rear supporting leg with the ground. Therefore, the front and rear sliding seats can slide on the sliding rail frame at will and can be adapted to recoilless gun barrels with various lengths. The front and rear supporting legs can be horizontally adjusted through the ball-head supporting rod and can be telescopic. The high-low machine adopts sliding lifting and has high matching precision. The problem that the gun body is disturbed when the gun is fired in the prior art to influence the firing precision is solved.
Description
Technical Field
The utility model relates to an experimental recoilless big gun transmission fixing device that uses.
Background
The recoilless gun is a gun whose gun body does not have a back seat when it is fired. In order to verify whether various performances of the recoilless gun can meet the index requirements in the launching process, a launching fixing device of the recoilless gun needs to be designed for test verification. Because most of the existing recoilless guns are individual combat weapons, the launching and fixing device of the recoilless guns generally has the advantages of light weight, simple structure, simple and convenient operation, easy carrying and the like; in the scientific research stage, the requirements of the recoil-free gun on service life, impact resistance and the like are often considered to reduce the scientific research cost. In the disclosed technology, such as a navy salute disclosed in the utility model patent, there are the following problems. Firstly, the gun barrel can only be adapted to a single caliber; secondly, the tripod base plate is adopted as a plane, and a horizontal adjusting device is not arranged, so that the influence of a field is serious when the tripod base plate is used; thirdly, the naval salute adopts the clearance that arc gear and rack cooperation mode produced too big, and the body disturbance is serious during the transmission, can not satisfy the requirement of part shot to the transmission precision. In addition, the tooth arcs are worn due to long-term use, and replacement is not easy.
Disclosure of Invention
In view of the above-mentioned current situation, the utility model aims to provide a simple structure, low in production cost, use nimble convenient, the reliability is high, do not receive the place environmental constraint, can be applicable to multiple model recoilless big gun transmission fixing device.
The utility model discloses a realize through following technical scheme: a recoilless gun launching fixing device for a test comprises a base and a lower launching rack frame hinged to the base, wherein a steering gear is arranged on the base, an upper launching rack frame is hinged to a bracket hinged to the steering gear, and a height machine is arranged between the upper launching rack frame and the base; the launcher comprises a launcher upper frame, a front sliding seat and a rear sliding seat, wherein the launcher upper frame is provided with a sliding rail, and the sliding rail is provided with the front sliding seat and the rear sliding seat which are used for adjusting the displacement of a recoilless gun; the height machine is provided with a seat barrel fixed on the base, a sliding sleeve is arranged in the seat barrel, the sliding sleeve is in threaded connection with a height screw rod connected to the seat barrel, and the sliding sleeve is lifted and positioned relative to the seat barrel by rotating the height screw rod; an upper base with a horizontal reference surface is fixed at the front end of the bracket, and a quadrant placing instrument B for adjusting the horizontal position of the launching frame is placed on the upper base; the launcher lower frame comprises a front supporting leg and two rear supporting legs, the front supporting leg and the two rear supporting legs are inwards folded relative to a supporting leg locking device, the front supporting leg is a telescopic supporting leg, and a chassis capable of adjusting the angle freely is arranged at the contact ends of the front supporting leg and the rear supporting leg and the ground.
This is novel, be equipped with T type slide rail on the launching cradle put on the shelf, be equipped with slider formula screw rod in T type slide rail, be connected fixedly through slider formula screw rod and preceding slide, back slide holder.
This is novel, landing leg locking device articulates through the round pin axle on preceding landing leg, two back landing legs has U type hasp, is equipped with the tight screw in top in the screw in this U type hasp center, and this tight screw in top is equipped with and is used for controlling the handle bar of the tight screw rotation in top, the handle bar can freely move in the through-hole that the tight screw in top has, and above-mentioned U type hasp can with incline between the frame seat contact or throw off and realize folding or form triangle-shaped landing leg.
This is novel, preceding landing leg with flexible function, this preceding landing leg 32 are square pipe, the preceding landing leg branch that is equipped with in it, and the adjusting screw that sets up on the landing leg is used for the fixed flexible of adjusting preceding landing leg branch draws forth the end and is equipped with the bulb, and this bulb is installed in the fixed lid in front chassis, is connected with the chassis through the fixed lid in front chassis, and the level (l) ing of arbitrary angle can be made to this chassis bulb relatively.
This is novel, set up the back landing leg branch that has the bulb on the back landing leg, the bulb part of this back landing leg branch is installed in the fixed lid of back chassis, is connected with the chassis through the fixed lid of back chassis, and arbitrary angle's level (l) ing can be done to this chassis relative bulb.
In this is novel, the contact ground terminal surface on chassis is equipped with the increase and grabs the land fertility ring channel.
The utility model has the advantages that: 1. the sliding seats can slide on the sliding rail frame at will through the front sliding seat and the rear sliding seat, can be adapted to recoilless gun barrels (including rocket tubes) with various lengths, can be replaced at will according to gun barrels with different calibers, is simple in replacement method, and can be adapted to recoilless gun barrels (including rocket tubes) with calibers of 20 mm-150 mm and the like. 2. The front supporting leg and the rear supporting leg are fixed on the chassis in a ball head supporting rod hinged mode, the front supporting leg and the rear supporting leg can be horizontally adjusted through the ball head supporting rod, the front supporting leg is in a telescopic structure mode, and the rear supporting leg is not telescopic. When shooting at-5 to 13 degrees is needed, the front supporting legs are in a retracted state, and when shooting at 10 to 28 degrees is needed, the front supporting legs are in an extended state, so that the multifunctional horizontal shooting device can be used on various rugged grounds, can realize horizontal shooting on a slope surface of 0 to 30 degrees, is relatively simple to debug and fix, and is suitable for sand and stone grounds by processing an annular groove on the chassis to increase the ground holding force. 3. The high-low machine adopts a screw action sliding sleeve lifting mode relative to the seat barrel, so that better matching precision is kept, and the problem of poor shooting precision when the shooting precision is influenced by the disturbance of the gun body during the shooting caused by the overlarge gap generated by an arc gear and rack matching mode in the prior art is solved.
In addition, this is novel to have convenient operation, production and processing cost is lower, can solve no recoil big gun to the requirement of wide-angle every single move shooting and adaptation different operational environment in the middle of the experimentation, and the service handling capacity is stronger, and life is higher. Multiple tests prove that the structural strength and the impact resistance meet the requirements. During the test, the state of the launcher in the launching process of the recoil-free gun is observed through high-speed photography, the launcher does not shake in the launching process, and the recoil-free gun thread is not fixed. By checking that each structural part is not damaged mechanically, important guarantee conditions are provided for the test verification and the shaping test of the recoil-free gun.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the upper frame structure of the launcher in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the upper frame of the launcher in FIG. 2;
fig. 4 is a schematic view of the lower frame structure of the launcher in fig. 1.
Detailed Description
The present invention will be further explained with reference to the embodiments of the drawings.
The non-recoil force cannon launching fixing device for the test shown in the figures 1 to 4 comprises a launching rack lower frame 1, a direction machine 4 is arranged on a base 28 of the launching rack lower frame 1, the direction machine 4 comprises a bracket 6, one end of the bracket 6 is arranged on a direction seat 13 through a connected direction ball screw 14, a direction fixing cover 12 is arranged at the matching end of the bracket 6 and the direction ball screw 14, the other end of the bracket 6 is hinged on a launching rack upper frame 2 through a rear connecting shaft 11, a height machine 3 is arranged between the launching rack upper frame 2 and the base 28, the height machine 3 is hinged with the launching rack upper frame 2 through a front connecting shaft 9, a front sliding seat 8 and a rear sliding seat 10 which can be adjusted in a displacement mode are arranged on the launching rack upper frame 2, and a non-recoil force cannon A is arranged on the front sliding seat 8 and the rear sliding seat 10. The launcher upper rack 2 of the embodiment is made of hard aluminum alloy, can meet the requirements of structural strength and shock resistance, and is relatively light in weight. The launcher lower rack 1 comprises a base 28, wherein the base 28 is fixedly provided with three inclined rack seats 38 with groove structures, and the inclined rack seats 38 are hinged with the corresponding launcher lower rack 1. For convenient carrying, the leg locking device 33 is arranged between the inclined frame seat 38 and the lower rack 1 of the launcher and folded inwards. The leg locking device 33 of the embodiment is folded inwards, and comprises a U-shaped lock catch 41 hinged on the front leg 32 and the rear leg 29 through a pin shaft 42, a tightening screw 39 is arranged in a central screw hole of the U-shaped lock catch 41, the tightening screw 39 is provided with a handle rod 40 for controlling the tightening screw 39 to rotate, the handle rod 40 can freely move in a through hole of the tightening screw 39, the U-shaped lock catch 41 can rotate to the inclined frame seat 38 and contact with the inclined frame seat 38, the tightening screw 39 is tightly pressed on the inclined frame seat 38 through the action of rotating the handle rod 40, and the front leg 32, the rear leg 29 and the inclined frame seat 38 are fixed into a whole. Conversely, the jacking screws 39 are loosened, so that the U-shaped lock catches 41 are separated from the inclined frame seats 38, and the folding of the front supporting legs 32 and the rear supporting legs 29 is realized. The front leg 32 described in this embodiment has a telescopic function. The front supporting leg 32 is a square tube, a front supporting leg support rod 31 is arranged in the square tube, the front supporting leg support rod 31 is fixedly adjusted to stretch and retract through an adjusting screw 44 arranged on the front supporting leg 32, a ball head 43 is arranged at the leading-out end of the front supporting leg support rod 31, the ball head 43 is arranged in the front chassis fixing cover 30 and is connected with the chassis 35 through the front chassis fixing cover 30, and the chassis 35 can be horizontally adjusted at any angle relative to the ball head 43. In addition, a rear leg strut 37 with a ball head is provided on the rear leg 29, the ball head portion of the rear leg strut 37 is installed in a rear chassis fixing cover 36, and the rear chassis fixing cover 36 is connected with the chassis 35, so that the chassis 35 can be horizontally adjusted at any angle relative to the ball head. The chassis 35 on the front and rear legs are the same component, and so the same reference is used. In the above, the ground contact end surface of the chassis 35 is provided with an annular groove for increasing the ground holding force. The base 28 on the launcher lower frame 1 of the present embodiment is welded and connected by using a large-wall-thickness square tube, which can meet the requirements of structural strength and impact resistance, and two points of thick positioning protrusions C are arranged on the end surface of the base 28. The thick positioning protrusion C of the present embodiment adopts a copper tube 23 on the upper base 7 with a rotating shaft 22, a positioning copper plate 24 on the upper end of the rotating shaft 22, a nut 25 on the lower end of the rotating shaft 22 and fixedly connected with the upper base 7, and a locking screw 26 on the copper tube 23 in the radial direction, so as to ensure that the rotating shaft 22 is fixed on the upper base 7 by the locking screw 26, thereby ensuring that the bracket 6 rotates in the direction and has no high and low displacement relative to the upper base 7. The locking screw 26 is a screw of the same specification as the locking screw 26 of the height adjusting machine 3, and therefore the same reference numeral 26 is given. The angle of the square tube welding of the base 28 directly forms the opening angle of the rear leg 29. The front supporting leg 32 adopts a telescopic supporting mode, the overlong of the high-low screw rod 21 caused by the overlong stroke of the high-low machine 3 is avoided, the bottom of the front supporting leg 32 adopts a ball head front supporting leg support rod 31, a sliding groove is processed in the front-back direction of the front chassis fixing cover 30 to allow the front supporting leg 32 to slide back and forth, and the front supporting leg 32 is connected with the base 28 through a connecting shaft 34. When a small angle shot is made, the front leg 32 is retracted to a lower limit position; when a large angle shot is made, the front leg 32 is extended to the upper limit position, and fine adjustment is made by the elevating machine 3 after adjustment. The rear supporting leg 29 is not telescopic, and the bottom of the rear supporting leg is a front supporting leg support rod 31 of a ball head, so that the rear supporting leg can be suitable for horizontal adjustment on different grounds; the rear supporting legs 29 and the base 28 are connected through connecting shafts 34, the launcher can adapt to different road surfaces through spherical contact of the rear supporting leg supporting rods 37, and the horizontal position of the launcher is adjusted by rotating the rear supporting leg supporting rods 37. The supporting leg locking device 33 is connected to the supporting leg through a connecting shaft 34, the supporting leg is reliably fixed through relative locking with the base 28, the locking device is loosened, the front supporting leg and the rear supporting leg can be folded back and forth, and service processing is facilitated. In this embodiment, the launcher upper frame 2 includes a sliding rail frame 5, on which a T-shaped sliding rail 16 is disposed, a sliding block type screw 17 and a nut (not labeled in the figure) are disposed in the T-shaped sliding rail 16, and are connected and fixed with the front sliding seat 8 and the rear sliding seat 10 through the sliding block type screw 17 and the nut. When different models of recoilless cannons A need to be verified, only the front sliding seat 8 and the rear sliding seat 10 need to be replaced and fixed on the T-shaped sliding rail 16. The height machine 3 of the embodiment has a seat barrel 20 fixed on a base 28 through a flange 15, a sliding sleeve 19 is arranged in the seat barrel, the sliding sleeve 19 is in threaded connection with a height screw 21 connected on the seat barrel 20, the height screw 21 is connected with a height locking nut 27 arranged on the seat barrel 20, the sliding sleeve 19 is lifted and positioned relative to the seat barrel 20 through rotating the height screw 21, a locking screw 26 is arranged in the radial direction of the seat barrel 20, and the seat barrel 20 is fixed on an upper base 7 through the locking screw 26, so that the bracket 6 is ensured to rotate in a direction and has no height displacement relative to the upper base 7. An upper base 7 with a horizontal reference surface is fixed at the front end of the bracket 6, and a quadrant placing instrument B for adjusting the horizontal position of the launcher is placed on the upper base. A direction locking device 18 is arranged between the bracket 6 and the upper base 7, and the direction locking device 18 adopts a cam locking mode, so that repeated checking of direction positions caused by sliding of the bracket 6 during direction locking can be effectively prevented. When the direction locking device 18 is used, the bracket 6 is fixed on the upper base 7, and the bracket 6 is ensured to be displaced in no direction.
The method comprises the following specific operations:
when in use, the front chassis fixing covers 30 and the rear chassis fixing covers 36 of the front supporting legs 32 and the rear supporting legs 29 are loosened, the front supporting legs 32 and the rear supporting legs 29 are opened to limited positions and placed at a launching position, and whether the front supporting legs and the rear supporting legs are completely attached to the ground or not is checked; the front supporting leg 32 and the rear supporting leg 29 are completely fixed on the base 28 by a supporting leg locking device; butting the upper launcher frame 2 and the lower launcher frame 1 according to a rough positioning position, fixing the upper launcher frame 2 on the lower launcher frame 1 according to connecting hole positions by four bolts after butting, checking whether the double nut locking positions 18 of the rotating shaft are loosened or not, and checking whether locking screws at three positions of a direction locking nut, a seat cylinder 20 and the rotating shaft are loosened or not; the steering gear 4 checks whether the carriage 6 is reliably rotated relative to the upper base 7, if necessary with the application of grease at the threaded joint; checking whether the direction locking device 18 can fix the bracket 6 on the upper base 7, and the bracket 6 does not have relative displacement relative to the upper base 7 when being locked; adjusting the height machine 3, wherein the height locking nut 27 and the seat barrel 20 are not required to rotate during adjustment, and whether the slide rail frame 5 can reliably move in the height direction relative to the bracket 6 or not is judged; shaking the launcher to check whether each connection is reliably locked; placing a quadrant instrument on a reference plane of the upper end face of the front part of the upper base 7, adjusting the height of the rear supporting leg 29 by using a wrench to enable the launcher to reach a horizontal position, locking the front chassis fixing cover 30 and the rear chassis fixing cover 36 by using a hexagonal wrench after adjustment, and fixing the front supporting leg strut 31 and the rear supporting leg strut 37 on the chassis; the non-recoil gun installation position is adjusted by sliding the front sliding seat 8 and the rear sliding seat 10, the non-recoil gun is stably placed on the sliding rail frame 5, the front sliding seat 8 and the rear sliding seat 10 are locked, the non-recoil gun, the front sliding seat 8 and the rear sliding seat 10 are fixed on the sliding rail frame 5, after the non-recoil gun installation, the quadrant instrument is placed on a non-recoil gun horizontal reference surface, and fine adjustment is carried out by the height machine 3 and the direction machine 4, so that the launching angle of the non-recoil gun meets the test requirements.
The wall thickness of the body of the recoilless gun in the test process is thicker and heavier than that of a real gun, so the recoilless gun launching and fixing device in the test process has the characteristics of simple structure, easiness in operation, good shock resistance, suitability for various recoilless guns and the like.
Claims (6)
1. A recoilless gun launching fixing device for a test comprises a base and a lower launching rack frame hinged to the base, wherein a steering gear is arranged on the base, an upper launching rack frame is hinged to a bracket hinged to the steering gear, and a height machine is arranged between the upper launching rack frame and the base; the launcher is characterized in that a slide rail is arranged on the upper launcher frame, and a front slide seat and a rear slide seat for adjusting the displacement of the recoilless gun are arranged on the slide rail; the height machine is provided with a seat barrel fixed on the base, a sliding sleeve is arranged in the seat barrel, the sliding sleeve is in threaded connection with a height screw rod connected to the seat barrel, and the sliding sleeve is lifted and positioned relative to the seat barrel by rotating the height screw rod; an upper base with a horizontal reference surface is fixed at the front end of the bracket, and a quadrant placing instrument B for adjusting the horizontal position of the launching frame is placed on the upper base; the launcher lower frame comprises a front supporting leg and two rear supporting legs, the front supporting leg and the two rear supporting legs are inwards folded relative to a supporting leg locking device, the front supporting leg is a telescopic supporting leg, and a chassis capable of adjusting the angle freely is arranged at the contact ends of the front supporting leg and the rear supporting leg and the ground.
2. The experimental recoilless gun launcher mounting apparatus according to claim 1, wherein the launcher upper frame is provided with a T-shaped slide rail, and a slide screw is mounted in the T-shaped slide rail and connected and fixed to the front slide and the rear slide via the slide screw.
3. The experimental recoilless gun launching fixture as recited in claim 1, wherein said leg locking means comprises a front leg and two rear legs hinged to a U-shaped latch through a pin, a tightening screw is installed in a central screw hole of the U-shaped latch, the tightening screw is provided with a handle rod for controlling the rotation of the tightening screw, the handle rod can freely move in a through hole of the tightening screw, and the U-shaped latch can be contacted with or separated from the inclined frame seat to fold or form a triangular leg.
4. The experimental recoilless gun launching fixture as recited in claim 1, wherein said front leg with telescoping function is a square tube, and has a front leg support rod mounted therein for fixedly adjusting the telescoping of the front leg support rod by means of an adjusting screw provided on the front leg, and a ball head is provided at the leading end of the front leg support rod, and is mounted in a front chassis fixing cover, and is connected to a chassis by means of the front chassis fixing cover, and the chassis can be horizontally adjusted at any angle relative to the ball head.
5. The recoil-free gun launching fixture as recited in claim 1, wherein the rear leg is provided with a rear leg strut having a ball head, the ball head of the rear leg strut being partially mounted in a rear chassis securing cover and connected to the chassis via the rear chassis securing cover, the chassis being horizontally adjustable at any angle relative to the ball head.
6. The recoil-free gun launching fixture as claimed in claim 4 or 5, wherein the ground-contacting end surface of the chassis is provided with an annular groove for increasing grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365864.4U CN211626246U (en) | 2019-12-25 | 2019-12-25 | Non-recoil gun launching fixing device for test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365864.4U CN211626246U (en) | 2019-12-25 | 2019-12-25 | Non-recoil gun launching fixing device for test |
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| CN211626246U true CN211626246U (en) | 2020-10-02 |
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| CN201922365864.4U Active CN211626246U (en) | 2019-12-25 | 2019-12-25 | Non-recoil gun launching fixing device for test |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112229268A (en) * | 2020-11-03 | 2021-01-15 | 西安航天动力技术研究所 | Recoil measuring mechanism for portable launcher launching cartridge missile |
| CN112902752A (en) * | 2021-03-24 | 2021-06-04 | 兵器兵工(北京)装备技术研究院 | Portable firearm laser collimation instrument, fine collimation target frame and laser collimation device thereof |
| CN113203318A (en) * | 2021-04-25 | 2021-08-03 | 北京机械设备研究所 | Portable three-leg launcher for forest fire-extinguishing cannon |
| CN114689149A (en) * | 2022-04-02 | 2022-07-01 | 四川楚林希科技有限公司 | Intelligent calibrating device for fuel oiling machine |
| CN114963862A (en) * | 2022-06-13 | 2022-08-30 | 湖南华南光电(集团)有限责任公司 | Portable receiving and transmitting device capable of being removed quickly |
| CN115325878A (en) * | 2022-06-22 | 2022-11-11 | 中国人民解放军陆军炮兵防空兵学院 | Simulation shot launching system |
| CN115406303A (en) * | 2022-09-13 | 2022-11-29 | 重庆建设工业(集团)有限责任公司 | Assembling and adjusting method for side plate and sector rack of vehicle-mounted gun rack |
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- 2019-12-25 CN CN201922365864.4U patent/CN211626246U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229268A (en) * | 2020-11-03 | 2021-01-15 | 西安航天动力技术研究所 | Recoil measuring mechanism for portable launcher launching cartridge missile |
| CN112229268B (en) * | 2020-11-03 | 2022-10-28 | 西安航天动力技术研究所 | Recoil measuring mechanism for portable launcher launching cartridge missile |
| CN112902752A (en) * | 2021-03-24 | 2021-06-04 | 兵器兵工(北京)装备技术研究院 | Portable firearm laser collimation instrument, fine collimation target frame and laser collimation device thereof |
| CN113203318A (en) * | 2021-04-25 | 2021-08-03 | 北京机械设备研究所 | Portable three-leg launcher for forest fire-extinguishing cannon |
| CN114689149A (en) * | 2022-04-02 | 2022-07-01 | 四川楚林希科技有限公司 | Intelligent calibrating device for fuel oiling machine |
| CN114963862A (en) * | 2022-06-13 | 2022-08-30 | 湖南华南光电(集团)有限责任公司 | Portable receiving and transmitting device capable of being removed quickly |
| CN114963862B (en) * | 2022-06-13 | 2024-04-09 | 湖南华南光电(集团)有限责任公司 | Portable quick-release transmitting and receiving device |
| CN115325878A (en) * | 2022-06-22 | 2022-11-11 | 中国人民解放军陆军炮兵防空兵学院 | Simulation shot launching system |
| CN115325878B (en) * | 2022-06-22 | 2024-05-24 | 中国人民解放军陆军炮兵防空兵学院 | Simulation projectile launching system |
| CN115406303A (en) * | 2022-09-13 | 2022-11-29 | 重庆建设工业(集团)有限责任公司 | Assembling and adjusting method for side plate and sector rack of vehicle-mounted gun rack |
| CN115406303B (en) * | 2022-09-13 | 2023-06-02 | 重庆建设工业(集团)有限责任公司 | Assembling and adjusting method for side plate and sector rack of vehicle-mounted gun rack |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Experimental recoilless gun firing fixture Effective date of registration: 20230814 Granted publication date: 20201002 Pledgee: Changjiang Technology sub branch of Qinhuangdao Bank Co.,Ltd. Pledgor: QINHUANGDAO HANFENG CHANGBAI TECHNOLOGY Co.,Ltd. Registration number: Y2023980051955 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230907 Granted publication date: 20201002 Pledgee: Changjiang Technology sub branch of Qinhuangdao Bank Co.,Ltd. Pledgor: QINHUANGDAO HANFENG CHANGBAI TECHNOLOGY Co.,Ltd. Registration number: Y2023980051955 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Experimental recoilless gun firing fixture Effective date of registration: 20230913 Granted publication date: 20201002 Pledgee: Changjiang Technology sub branch of Qinhuangdao Bank Co.,Ltd. Pledgor: QINHUANGDAO HANFENG CHANGBAI TECHNOLOGY Co.,Ltd. Registration number: Y2023110000388 |