CN113800012A - Drag release device and system thereof - Google Patents
Drag release device and system thereof Download PDFInfo
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- CN113800012A CN113800012A CN202111159050.0A CN202111159050A CN113800012A CN 113800012 A CN113800012 A CN 113800012A CN 202111159050 A CN202111159050 A CN 202111159050A CN 113800012 A CN113800012 A CN 113800012A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G5/00—Ground equipment for vehicles, e.g. starting towers, fuelling arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The application discloses hold-down release device and system thereof, wherein, hold-down release device includes: the rocket comprises a rocket supporting seat for placing a rocket and a drag arm for providing drag force for the rocket; the rocket supporting seat is arranged on the rocket launching platform, the restraining arm is arranged on the rocket launching platform on one side of the rocket supporting seat away from the rocket in parallel, and the spacing between the restraining arm and the rocket supporting seat is a preset distance; the containment arm includes: the locking mechanism, the moving mechanism and the control system; the lower end of the moving mechanism is arranged on the rocket launching pad, the upper end of the moving mechanism is connected with the locking mechanism, the control system is respectively connected with the locking mechanism and the moving mechanism, the locking mechanism and the moving mechanism receive a working instruction sent by the control system, and the rocket is controlled or released according to the working instruction. The method and the device have the technical effects of simple structure, high efficiency and high reliability.
Description
Technical Field
The application relates to the technical field of rockets, in particular to a drag release device and a system thereof.
Background
The drag releasing device is a device which fixes the rocket on a launching platform and releases the rocket after the rocket is ignited. The containment and release device detects faults before and after the rocket is ignited, and if no faults exist, the rocket is released and launched; if the rocket is in fault, the rocket is stopped emergently, and the rocket can be safely left on the launching platform. The drag release device can greatly improve the reliability of rocket launching and the safety of a launching field.
At present, most of foreign launching systems adopt a restraining and releasing device, but the carrier rocket developed in China at present has no application. And the drag release device provides larger drag force, and simultaneously requires high system responsiveness, good synchronism and certain engineering realization difficulty, and most of the current foreign drag release systems are more complex. In addition, whether the operation of the drag release device is reliable or not is directly related to the success or failure of rocket launching, and higher reliability is needed.
Disclosure of Invention
The application aims to provide a containment release device and a system thereof, which have the technical effects of simple structure, high efficiency and high reliability.
To achieve the above object, the present application provides a drag release device, comprising: the rocket comprises a rocket supporting seat for placing a rocket and a drag arm for providing drag force for the rocket; the rocket supporting seat is arranged on the rocket launching platform, the restraining arm is arranged on the rocket launching platform on one side of the rocket supporting seat away from the rocket in parallel, and the spacing between the restraining arm and the rocket supporting seat is a preset distance; the containment arm includes: the locking mechanism, the moving mechanism and the control system; the lower end of the moving mechanism is arranged on the rocket launching pad, the upper end of the moving mechanism is connected with the locking mechanism, the control system is respectively connected with the locking mechanism and the moving mechanism, the locking mechanism and the moving mechanism receive a working instruction sent by the control system, and the rocket is controlled or released according to the working instruction.
As above, wherein the locking mechanism comprises: the device comprises a rack, a heat shield, an upper connecting rod, a lower connecting rod, a speed reducer, a servo motor and a drawing claw; the frame includes: the rack comprises a rack bottom plate, a rack first side plate, a rack second side plate and a rack third side plate; the first side plate, the second side plate and the third side plate are respectively arranged at the upper end of the bottom plate of the rack; the two opposite sides of the second side plate of the rack, which are vertical to the bottom plate of the rack, are respectively connected with one side of the first side plate of the rack and one side of the third side plate of the rack; the heat-proof cover is respectively connected with the first side plate and the third side plate of the rack to form an accommodating cavity; the upper connecting rod, the lower connecting rod, the speed reducer, the servo motor and the drawing claw are all arranged in the accommodating cavity; the middle part of the drawing claw is rotationally connected with a second side plate of the frame; one end of the drawing claw is hinged with one end of the upper connecting rod, and the other end of the drawing claw is exposed out of the accommodating cavity and matched with the drawing head of the rocket; the other end of the upper connecting rod is hinged with one end of the lower connecting rod, and the other end of the lower connecting rod is connected with the speed reducer; the speed reducer is connected with the servo motor.
The heat shield is provided with the cable hole; the cable is connected with the servo motor through the cable hole.
As above, wherein the reducer is a right angle dual output reducer.
The upper link includes a first upper link and a second upper link; a first output shaft and a second output shaft are respectively arranged on two opposite sides of the speed reducer; the first lower connecting rod is hinged with the first output shaft; the second lower connecting rod is hinged with the second output shaft.
The part of the drawing claw matched with the drawing head is an arc surface.
As above, wherein the moving mechanism includes: the device comprises at least four swinging rods, a base and at least one combined push rod; one end of the swinging rod is hinged with the lower end of the chassis base plate, and the other end of the swinging rod is hinged with the base; the four swinging rods are uniformly arranged at intervals and are parallel to each other; one end of the combined push rod is hinged with the lower end, far away from the second side plate of the rack, of the bottom plate of the rack, and the other end of the combined push rod is hinged with one side, right facing the second side plate of the rack, of the base.
As above, wherein the combination push rod comprises a first connecting rod and a second connecting rod; the first connecting rod includes: a first hinge rod and a hydraulic cylinder; one end of the first hinge rod is provided with a first hinge hole and is hinged with the rack through the first hinge hole, and the other end of the first hinge rod is connected with the hydraulic cylinder; the second connecting rod includes: a containment rod, a blast rod, and a second hinged rod; the two opposite ends of the explosion rod are respectively connected with the accommodating rod and the second hinge rod; the first connecting rod is connected with the accommodating rod, and the hydraulic cylinder and a part of the first hinge rod are arranged in the accommodating rod in a sliding manner; the blast pole includes: elastic means, sub-connecting rods and explosive bolts; the two opposite ends of the sub-connecting rod are respectively connected with the accommodating rod and the second hinge rod; the explosive bolt is arranged inside the sub-connecting rod, and the elastic device is arranged outside the sub-connecting rod; and a second hinge hole is formed in one end, far away from the explosion rod, of the second hinge rod and is hinged with the base through the second hinge hole.
As above, wherein the resilient means is a spring.
The present application further provides a containment release system comprising: at least four groups of the drag release devices and the superior system; the four groups of the drag releasing devices are uniformly arranged on the rocket launching pad in a circle by taking the center of the rocket launching pad as a circle center, and the drag releasing devices receive the working instruction of the superior system to drag or release the rocket.
The beneficial effect that this application realized is as follows:
(1) the drag release device and the system thereof are connected with the servo motor and the hydraulic system in series, and the servo motor is used for performing precise work; the hydraulic system performs large and extensive work with large driving force; the whole drag release device and the system thereof can not only carry out precise operation, but also provide larger working force, and have the advantages of ingenious design, simple structure and high efficiency.
(2) The drag release device and the system thereof have the advantages that the redundant design is added, and the initiating explosive device release spring is adopted as the final guarantee means under the condition that the servo motor or the hydraulic system fails, so that the reliability of the system is improved.
(3) The drag release device and the system thereof well meet the requirements of the drag release function on a mechanical system, and fill the blank of the domestic drag release device.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a top view of one embodiment of a containment release system;
FIG. 2 is a front view of one embodiment of a hold-down release system;
FIG. 3 is a schematic diagram of an embodiment of a hold-down arm;
FIG. 4 is a schematic diagram of one embodiment of a containment release system;
FIG. 5 is a schematic view of an embodiment of a containment arm after the heat shield is removed;
FIG. 6 is a schematic diagram of an embodiment of a right angle dual output reducer;
fig. 7 is a schematic structural diagram of an embodiment of the combination push rod.
Detailed Description
The technical solutions in the embodiments of the present invention are 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, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present application provides a containment release system comprising: at least four groups of the following drag release devices 1 and superior systems; the four groups of the drag releasing devices 1 are uniformly arranged on the rocket launching pad 2 in a circle by taking the center of the rocket launching pad 2 as the center of a circle, and the drag releasing devices 1 receive the working instruction of the superior system and drag or release the rocket 3.
As shown in fig. 3-7, the present application provides a hold-down release device comprising: a rocket supporting seat 11 for placing the rocket 3 and a restraining arm 12 for providing a restraining force for the rocket 3; the rocket supporting seat 11 is arranged on the rocket launching pad 2, and the restraining arm 12 is arranged on the rocket launching pad 2 on one side of the rocket supporting seat 11 far away from the rocket 3 in parallel and is spaced from the rocket supporting seat 11 by a preset distance. The check arm 12 includes: a locking mechanism 121, a moving mechanism 122 and a control system; the lower end of the moving mechanism 122 is arranged on the rocket launching pad 2, the upper end of the moving mechanism 122 is connected with the locking mechanism 121, the control system is respectively connected with the locking mechanism 121 and the moving mechanism 122, the locking mechanism 121 and the moving mechanism 122 receive a working instruction sent by the control system, and the rocket 3 is controlled or released according to the working instruction.
Specifically, as shown in fig. 4, in operation, the rocket mount 31 is placed on the rocket mount 11, and the locking mechanism 121 of the drag arm 12 presses the pressing head 32 of the rocket 3, thereby providing a drag force to the rocket 3. The specific value of the preset distance between the rocket supporting seat 11 and the containment arm 12 is determined according to the actual model and size of the rocket 3.
Further, the locking mechanism 121 includes: frame 1211, heat shield 1212, upper link 1213, lower link 1214, reducer 1215, servo motor 1216 and hold-down pawl 1217. The chassis 1211 includes: the rack comprises a rack bottom plate, a rack first side plate, a rack second side plate and a rack third side plate; the first side plate, the second side plate and the third side plate are respectively arranged at the upper end of the bottom plate of the rack; the two opposite sides of the second side plate of the rack, which are vertical to the bottom plate of the rack, are respectively connected with one side of the first side plate of the rack and one side of the third side plate of the rack; the heat-proof shield 1212 is connected to the first rack side plate and the third rack side plate, respectively, to form an accommodation cavity; the upper link 1213, lower link 1214, reducer 1215, servomotor 1216 and hold-down pawl 1217 are all disposed within the receiving cavity; the middle part of the traction claw 1217 is rotationally connected with the second side plate of the frame; one end of the drag claw 1217 is hinged with one end of the upper connecting rod 1213, and the other end of the drag claw 1217 is exposed out of the accommodating cavity and is matched with the pressing head 32 of the rocket 3; the other end of the upper connecting rod 1213 is hinged with one end of the lower connecting rod 1214, and the other end of the lower connecting rod 1214 is connected with a speed reducer 1215; reducer 1215 is connected to servo motor 1216.
Further, the middle of the pinning pawl 1217 has a central fulcrum hole.
Furthermore, a hinge lug is arranged at one end of the second side plate of the rack, which is far away from the bottom plate of the rack; the hold-down dogs 1217 are hinged to the hinge ears via the center fulcrum holes.
Specifically, under the driving of the servo motor 1216, the drag claws 1217 can rotate along the middle fulcrum holes to lock or release the rocket, when the upper link 1213 and the lower link 1214 rotate to the same straight position, the drag release device 1 locks the rocket 3 and is located at the dead point position, and the locking force is perpendicular to the movement direction of the drag release device 1. Lower link 1214 unlocks rocket 3 after movement by servo motor 1216.
Further, a cable hole is formed in the heat-proof shield 1212; the cable is connected to servo motor 1216 through a cable hole.
Further, the reducer 1215 is a right-angle dual output reducer.
Further, as shown in fig. 6, the lower link 1214 includes a first lower link and a second lower link; a first output shaft 12151 and a second output shaft 12152 are respectively provided on opposite sides of the speed reducer 1215; the first lower connecting rod is hinged with the first output shaft 12151; the second lower link is hinged to the second output shaft 12152.
Specifically, the two sides of the decelerator 1215 output torque simultaneously for changing the rotation direction of the servo motor 1216. The force transmission path formed by the upper connecting rod 1213, the lower connecting rod 1214, the speed reducer 1215, the servo motor 1216 and the holding pawl 1217 has the advantages of reasonable mass distribution and high mechanical efficiency.
Further, the portion of the holding-down dog 1217 that engages with the pressing head 32 is a curved surface.
Specifically, in operation, the holding pawl 1217 presses against the pressing head 32 of the rocket 3 via the curved surface to provide holding force to the rocket 3.
Further, the moving mechanism 122 includes: at least four swing levers 1221, a base 1222, and at least one combination push lever 1223; one end of the swing rod 1221 is hinged with the lower end of the chassis base plate, and the other end is hinged with the base 1222; four swing rods 1221 are uniformly arranged at intervals and are parallel to each other; one end of the combined push rod 1223 is hinged to the lower end of the bottom plate of the rack, which is far away from the second side plate of the rack, and the other end of the combined push rod 1223 is hinged to one side of the base 1222, which is opposite to the second side plate of the rack.
Specifically, the number of the swing levers 1221 is determined according to actual conditions. The specific number of the combination push rods 1223 depends on the actual situation.
As an example, the moving mechanism 122 includes: four swing rods 1221, a base 1222 and two combined push rods 1223. One end of the swing rod 1221 is hinged with the lower end of the chassis base plate, and the other end is hinged with the base 1222; four swing rods 1221 are arranged at equal intervals and are parallel to each other, and the swing rods 1221, the base 1222 and the bottom plate of the rack form a parallelogram structure. One end of the combined push rod 1223 is hinged to the lower end, far away from the second side plate of the rack, of the bottom plate of the rack, the other end of the combined push rod 1223 is hinged to one side, facing the second side plate of the rack, of the base 1222, and the two combined push rods 1223 are parallel to each other and located inside the parallelogram structure. When the combined push rod 1223 works, the combined push rod 1223 is extended or shortened, the inner angle of the parallelogram structure is changed, and the parallelogram swings forwards or backwards.
Specifically, when the rocket 3 is ignited, the control system receives a working instruction issued by the superior system, sends the working instruction to the locking mechanism 121 and the moving mechanism 122, the servo motor 1216 rotates to drive the drag claws 1217 to open at an angle until the drag claws 1217 are not in contact with the rocket 3, and the combined push rod 1223 extends to tilt the whole drag release device 1 backwards to complete the release of the rocket 3.
Further, as shown in fig. 7, the combination pushing rod 1223 includes a first connecting rod 12231 and a second connecting rod 12232. The first connecting rod 12231 includes: a first hinge lever 122311 and a hydraulic cylinder 122312; one end of the first hinge lever 122311 is provided with a first hinge hole 122313 and is hinged with the frame 1211 through a first hinge hole 122313, and the other end of the first hinge lever 122311 is connected with the hydraulic cylinder 122312; the second connecting rod 12232 includes: containment rod 122321, blast rod 122322, and second hinge rod 122323; the opposite ends of the explosion rod 122322 are connected to the accommodating rod 122321 and the second hinge rod 122323, respectively; first connecting rod 12231 is connected to receiving rod 122321, and hydraulic cylinder 122312 and a portion of first hinge rod 122311 are slidably disposed within receiving rod 122321; the explosion bar 122322 includes: resilient means 1223221, sub-connecting rod 1223222 and explosion bolt 1223223; the opposite ends of the sub connecting bar 1223222 are connected to the accommodating bar 122321 and the second hinge bar 122323, respectively; the explosion bolt 1223223 is disposed inside the sub-connecting rod 1223222, the elastic device 1223221 is disposed outside the sub-connecting rod 1223222, and the elastic device 1223221 is in a compressed state; the second hinge lever 122323 has a second hinge hole 1223231 at its end away from the explosion rod 122322, and is hinged to the base 1222 through the second hinge hole 1223231.
Specifically, when the control system receives a working instruction sent by the superior system and exceeds a preset time, the servo motor 1216 or the hydraulic cylinder 122312 does not unlock according to a preset program, the explosion bolt 1223223 is detonated, the sub-connecting rod 1223222 is disconnected, the combined push rod 1223 is pushed out under the action of the spring force, the whole drag release device 1 is tilted backwards, and unlocking is completed. Under normal operating conditions, explosive bolt 1223223 is not detonated, which is a redundant design to improve system reliability.
Further, the resilient means 1223221 is a spring.
The beneficial effect that this application realized is as follows:
(1) the drag release device and the system thereof are connected with the servo motor and the hydraulic system in series, and the servo motor is used for performing precise work; the hydraulic system performs large and extensive work with large driving force; the whole drag release device and the system thereof can not only carry out precise operation, but also provide larger working force, and have the advantages of ingenious design, simple structure and high efficiency.
(2) The drag release device and the system thereof have the advantages that the redundant design is added, and the initiating explosive device release spring is adopted as the final guarantee means under the condition that the servo motor or the hydraulic system fails, so that the reliability of the system is improved.
(3) The drag release device and the system thereof well meet the requirements of the drag release function on a mechanical system, and fill the blank of the domestic drag release device.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the scope of protection of the present application is intended to be interpreted to include the preferred embodiments and all variations and modifications that fall within the scope of the present application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A hold-down release device, comprising: the rocket comprises a rocket supporting seat for placing a rocket and a drag arm for providing drag force for the rocket; the rocket supporting seat is arranged on a rocket launching platform, and the restraining arm is arranged on the rocket launching platform on one side of the rocket supporting seat away from the rocket in parallel and is separated from the rocket supporting seat by a preset distance;
the hold-down arm includes: the locking mechanism, the moving mechanism and the control system;
the lower end of the moving mechanism is arranged on a rocket launching platform, the upper end of the moving mechanism is connected with the locking mechanism, the control system is respectively connected with the locking mechanism and the moving mechanism, the locking mechanism and the moving mechanism receive a working instruction sent by the control system, and the rocket is controlled or released according to the working instruction.
2. The containment release device of claim 1, wherein the locking mechanism comprises: the device comprises a rack, a heat shield, an upper connecting rod, a lower connecting rod, a speed reducer, a servo motor and a drawing claw;
the frame includes: the rack comprises a rack bottom plate, a rack first side plate, a rack second side plate and a rack third side plate; the first rack side plate, the second rack side plate and the third rack side plate are respectively arranged at the upper end of the bottom plate of the rack; two opposite sides of the second side plate of the rack, which are perpendicular to the bottom plate of the rack, are respectively connected with one side of the first side plate of the rack and one side of the third side plate of the rack;
the heat-proof cover is respectively connected with the first side plate and the third side plate of the rack to form an accommodating cavity; the upper connecting rod, the lower connecting rod, the speed reducer, the servo motor and the drawing claw are all arranged in the accommodating cavity; the middle part of the drawing claw is rotationally connected with the second side plate of the rack; one end of the drawing claw is hinged with one end of the upper connecting rod, and the other end of the drawing claw is exposed out of the accommodating cavity and matched with a pressing head of the rocket; the other end of the upper connecting rod is hinged with one end of the lower connecting rod, and the other end of the lower connecting rod is connected with the speed reducer; the speed reducer is connected with the servo motor.
3. The hold-down release device according to claim 2, wherein a cable hole is provided on the heat shield; the cable is connected with the servo motor through the cable hole.
4. The hold-down release device according to claim 2, wherein the speed reducer is a right-angle dual-output speed reducer.
5. The hold-down release device according to claim 2 or 4, wherein the lower link includes a first lower link and a second lower link; a first output shaft and a second output shaft are respectively arranged on two opposite sides of the speed reducer; the first lower connecting rod is hinged with the first output shaft; the second lower connecting rod is hinged with the second output shaft.
6. The containment release device of claim 2, wherein the portion of the containment pawl that engages the containment head is a curved surface.
7. The hold-down release device according to claim 2, wherein the moving mechanism comprises: the device comprises at least four swinging rods, a base and at least one combined push rod; one end of the swinging rod is hinged with the lower end of the bottom plate of the rack, and the other end of the swinging rod is hinged with the base; the four swing rods are uniformly arranged at intervals and are parallel to each other; one end of the combined push rod is hinged to the lower end, far away from the second side plate of the rack, of the bottom plate of the rack, and the other end of the combined push rod is hinged to one side, facing the second side plate of the rack, of the base.
8. The hold-down release device of claim 2, wherein the combination push rod comprises a first connecting rod and a second connecting rod;
the first connecting rod includes: a first hinge rod and a hydraulic cylinder; one end of the first hinge rod is provided with a first hinge hole and is hinged with the rack through the first hinge hole, and the other end of the first hinge rod is connected with the hydraulic cylinder;
the second connecting rod includes: a containment rod, a blast rod, and a second hinged rod; the two opposite ends of the explosion rod are respectively connected with the accommodating rod and the second hinge rod; the first connecting rod is connected with the accommodating rod, and the hydraulic cylinder and a part of the first hinge rod are arranged in the accommodating rod in a sliding mode;
the blast pole includes: elastic means, sub-connecting rods and explosive bolts; the two opposite ends of the sub connecting rod are respectively connected with the accommodating rod and the second hinge rod; the explosive bolt is arranged inside the sub-connecting rod, and the elastic device is arranged outside the sub-connecting rod;
and a second hinge hole is formed in one end, far away from the explosion rod, of the second hinge rod, and the second hinge hole is hinged to the base.
9. The hold-down release device according to claim 8, wherein the resilient means is a spring.
10. A hold-down release system, comprising: at least four sets of the drag release device of any one of claims 1-9 and superordinate system; the four groups of the drag releasing devices are uniformly arranged on the rocket launching pad in a circle by taking the center of the rocket launching pad as the circle center, and the drag releasing devices receive the working instruction of the superior system and drag or release the rocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159050.0A CN113800012B (en) | 2021-09-30 | 2021-09-30 | Drag release device and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111159050.0A CN113800012B (en) | 2021-09-30 | 2021-09-30 | Drag release device and system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113800012A true CN113800012A (en) | 2021-12-17 |
| CN113800012B CN113800012B (en) | 2023-09-19 |
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| CN202111159050.0A Active CN113800012B (en) | 2021-09-30 | 2021-09-30 | Drag release device and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719676A (en) * | 2022-04-12 | 2022-07-08 | 东方空间技术(山东)有限公司 | Drag release mechanism and rocket launching platform with same |
| CN115507699A (en) * | 2022-08-15 | 2022-12-23 | 蓝箭航天空间科技股份有限公司 | Automatic reverse type drag release device |
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| CN211893698U (en) * | 2020-03-27 | 2020-11-10 | 魏永久 | Rocket launching pad |
| CN212710051U (en) * | 2020-07-30 | 2021-03-16 | 贵州航天天马机电科技有限公司 | Multi-degree-of-freedom rapid positioning and locking mechanism at rear end of erecting arm |
| CN112591140A (en) * | 2020-11-02 | 2021-04-02 | 中国运载火箭技术研究院 | Load-shedding slow-release device for aircraft drag release launching |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719676A (en) * | 2022-04-12 | 2022-07-08 | 东方空间技术(山东)有限公司 | Drag release mechanism and rocket launching platform with same |
| CN114719676B (en) * | 2022-04-12 | 2022-10-18 | 东方空间技术(山东)有限公司 | Drag release mechanism and rocket launching platform with same |
| CN115507699A (en) * | 2022-08-15 | 2022-12-23 | 蓝箭航天空间科技股份有限公司 | Automatic reverse type drag release device |
| CN115507699B (en) * | 2022-08-15 | 2024-06-11 | 蓝箭航天空间科技股份有限公司 | Automatic reversing type drag release device |
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| CN113800012B (en) | 2023-09-19 |
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