CN113800012B - Drag release device and system thereof - Google Patents
Drag release device and system thereof Download PDFInfo
- Publication number
- CN113800012B CN113800012B CN202111159050.0A CN202111159050A CN113800012B CN 113800012 B CN113800012 B CN 113800012B CN 202111159050 A CN202111159050 A CN 202111159050A CN 113800012 B CN113800012 B CN 113800012B
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- rocket
- rod
- frame
- connecting rod
- side plate
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Classifications
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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
-
- 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
Abstract
The application discloses a drag release device and a system thereof, wherein the drag release device comprises: a rocket support for placing a rocket and a holding arm for providing holding force for the rocket; the rocket supporting seat is arranged on the rocket launching platform, and the holding arms are arranged on the rocket launching platform on one side of the rocket supporting seat far away from the rocket in parallel and are spaced from the rocket supporting seat by a preset distance; the pinning arm comprises: the locking mechanism, the moving mechanism and the control system; the lower end of the moving mechanism is arranged on the 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 working instructions sent by the control system, and the rocket is restrained or released according to the working instructions. The application has 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 release device is a device for fixing a rocket on a launching pad and releasing the rocket after the rocket is ignited. The drag release device detects faults before and after rocket ignition, and releases and launches the rocket if no faults exist; if there is a fault, the emergency stop is performed, and the rocket can be safely left on the launching pad. The drag release device can greatly improve the reliability of rocket launching and the safety of a launching field.
At present, a foreign launching system mostly adopts a drag release device, but the carrier rocket developed in China at present is not applied. The drag release device provides larger drag force, meanwhile, the system has high response and good synchronism, certain engineering implementation difficulty is achieved, and the existing foreign drag release systems are complex. In addition, whether the drag release device works reliably or not is directly related to success or failure of rocket launching, and higher reliability is needed.
Disclosure of Invention
The application aims to provide a drag 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: a rocket support for placing a rocket and a holding arm for providing holding force for the rocket; the rocket supporting seat is arranged on the rocket launching platform, and the holding arms are arranged on the rocket launching platform on one side of the rocket supporting seat far away from the rocket in parallel and are spaced from the rocket supporting seat by a preset distance; the pinning arm comprises: the locking mechanism, the moving mechanism and the control system; the lower end of the moving mechanism is arranged on the 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 working instructions sent by the control system, and the rocket is restrained or released according to the working instructions.
As above, wherein the locking mechanism comprises: the device comprises a frame, a heat shield, an upper connecting rod, a lower connecting rod, a speed reducer, a servo motor and a holding claw; the frame includes: the device comprises a frame bottom plate, a frame first side plate, a frame second side plate and a frame third side plate; the first side plate of the frame, the second side plate of the frame and the third side plate of the frame are respectively arranged at the upper end of the bottom plate of the frame; opposite sides of the second side plate of the frame, which are vertical to the bottom plate of the frame, are respectively connected with one side of the first side plate of the frame and one side of the third side plate of the frame; the heat-proof cover is respectively connected with the first side plate of the frame and the third side plate of the frame to form a containing cavity; the upper connecting rod, the lower connecting rod, the speed reducer, the servo motor and the holding claw are all arranged in the accommodating cavity; the middle part of the holding claw is rotationally connected with a second side plate of the frame; one end of the holding claw is hinged with one end of the upper connecting rod, and the other end of the holding claw is exposed out of the accommodating cavity and is matched with the holding 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.
As above, the heat-proof cover is provided with a cable hole; the cable is connected with the servo motor through a cable hole.
As above, the speed reducer is a right-angle double-output speed reducer.
As above, wherein the lower link comprises a first lower link and a second lower link; the opposite sides of the speed reducer are respectively provided with a first output shaft and a second output shaft; the first lower connecting rod is hinged with the first output shaft; the second lower connecting rod is hinged with the second output shaft.
As described above, the portion of the holding claw that cooperates with the holding head is a cambered surface.
As above, wherein the moving mechanism 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 frame, 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 with the lower end of the frame bottom plate, which is far away from the frame second side plate, and the other end of the combined push rod is hinged with one side of the base, which is opposite to the frame second side plate.
As above, wherein the combined 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 hinging rod is provided with a first hinging hole and is hinged with the frame through the first hinging hole, and the other end of the first hinging rod is connected with the hydraulic cylinder; the second connecting rod includes: a containment rod, an explosion rod and a second hinge rod; the opposite ends of the explosion rod are respectively connected with the accommodating rod and the second hinging rod; the first connecting rod is connected with the accommodating rod, and the hydraulic cylinder and a part of the first hinging rod are arranged in the accommodating rod in a sliding manner; the blast boom includes: elastic device, sub-connecting rod and explosion bolt; opposite ends of the sub-connecting rods are respectively connected with the accommodating rods and the second hinging rods; the explosion bolt is arranged inside the sub-connecting rod, and the elastic device is arranged outside the sub-connecting rod; and one end, far away from the explosion rod, of the second hinging rod is provided with a second hinging hole and is hinged with the base through the second hinging hole.
As above, wherein the resilient means is a spring.
The application also provides a drag release system comprising: at least four sets of the above-described drag-and-release devices and superior systems; the four groups of the holding-down release devices are uniformly arranged on the rocket launching platform in a circle with the center of the rocket launching platform as the circle center, and the holding-down release devices receive working instructions of a superior system and hold down or release the rocket.
The beneficial effects achieved by the application are as follows:
(1) The drag release device and the system thereof are connected with a servo motor and a hydraulic system in series, and the servo motor performs precise work; the hydraulic system is used for carrying out large-driving-force and rough work; the whole drag release device and the system thereof can not only carry out precise operation, but also provide larger working force, and the drag release device has smart design, simple structure and high efficiency.
(2) The drag release device and the system thereof add redundant design, and under the condition that a servo motor or a hydraulic system fails, an initiating explosive device is adopted to release a spring, so that the reliability of the system is improved as a final guarantee means.
(3) The drag release device and the system thereof well meet the requirement of the drag release function on a mechanical system, and fill the blank of the drag release device in China.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a top view of one embodiment of a drag release system;
FIG. 2 is a front view of an embodiment of a drag release system;
FIG. 3 is a schematic view of an embodiment of a drag arm;
FIG. 4 is a schematic diagram of an embodiment of a drag release system;
FIG. 5 is a schematic view of an embodiment of a containment arm after uncovering a heat shield;
FIG. 6 is a schematic diagram of an embodiment of a right angle dual output reducer;
FIG. 7 is a schematic diagram of an embodiment of a combination putter.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-2, the present application provides a drag release system comprising: at least four sets of drag release devices 1 and superior systems described below; the four groups of the drag release devices 1 are uniformly arranged on the rocket launching platform 2 in a circle with the center of the rocket launching platform 2 as the circle center, and the drag release devices 1 receive working instructions of a superior system to drag or release the rocket 3.
As shown in fig. 3-7, the present application provides a drag release device comprising: a rocket mount 11 for placing the rocket 3 and a holding arm 12 for providing holding force for the rocket 3; the rocket supporting seat 11 is arranged on the rocket launching platform 2, and the holding arms 12 are arranged on the rocket launching platform 2 on one side of the rocket supporting seat 11 far away from the rocket 3 in parallel and are spaced with the rocket supporting seat 11 by a preset distance. The hold-down arm 12 includes: a locking mechanism 121, a movement mechanism 122, and a control system; the lower extreme of moving mechanism 122 sets up on rocket launching pad 2, and moving mechanism 122's upper end is connected with locking mechanism 121, and control system is connected with locking mechanism 121 and moving mechanism 122 respectively, and locking mechanism 121 and moving mechanism 122 receive the work instruction that control system sent, hold in or release rocket 3 according to the work instruction.
Specifically, as shown in fig. 4, in operation, the rocket placement unit 31 is placed on the rocket mount 11, and the holding head 32 of the rocket 3 is pressed by the lock mechanism 121 of the holding arm 12, thereby providing a holding force to the rocket 3. The specific value of the preset distance between the rocket mount 11 and the hold-down arm 12 is determined according to the actual model and size of the rocket 3.
Further, the locking mechanism 121 includes: a housing 1211, a heat shield 1212, an upper link 1213, a lower link 1214, a decelerator 1215, a servo motor 1216, and a hold-down claw 1217. The rack 1211 includes: the device comprises a frame bottom plate, a frame first side plate, a frame second side plate and a frame third side plate; the first side plate of the frame, the second side plate of the frame and the third side plate of the frame are respectively arranged at the upper end of the bottom plate of the frame; opposite sides of the second side plate of the frame, which are vertical to the bottom plate of the frame, are respectively connected with one side of the first side plate of the frame and one side of the third side plate of the frame; the heat shield 1212 is respectively connected with the first side plate of the frame and the third side plate of the frame to form a containing cavity; the upper link 1213, the lower link 1214, the decelerator 1215, the servo motor 1216 and the holding pawl 1217 are all disposed in the accommodation cavity; the middle part of the holding claw 1217 is rotationally connected with the second side plate of the frame; one end of the holding claw 1217 is hinged with one end of the upper connecting rod 1213, and the other end of the holding claw 1217 is exposed out of the accommodating cavity and is matched with the holding 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; the decelerator 1215 is connected to the servo motor 1216.
Further, the middle portion of the holding claw 1217 has a middle fulcrum hole.
Further, a hinge lug is arranged at one end, far away from the bottom plate of the frame, of the second side plate of the frame; the holding claw 1217 is hinged to the hinge lug through the middle fulcrum hole.
Specifically, the holding claw 1217 may rotate along the middle pivot hole to lock or release the rocket under the driving of the servo motor 1216, and when the upper link 1213 and the lower link 1214 rotate to the same straight line position, the holding 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 holding release device 1. The lower link 1214 unlocks the rocket 3 after being moved by the servo motor 1216.
Further, a cable hole is provided on the heat shield 1212; the cable is connected to the servo motor 1216 through a cable hole.
Further, the decelerator 1215 is a right angle dual output decelerator.
Further, as shown in fig. 6, the lower link 1214 includes a first lower link and a second lower link; opposite sides of the decelerator 1215 are provided with a first output shaft 12151 and a second output shaft 12152, respectively; the first lower link is hinged with the first output shaft 12151; the second lower link is hinged to a second output shaft 12152.
Specifically, the decelerator 1215 simultaneously outputs torque 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 jaw 1217 has the advantages of reasonable mass distribution and high mechanical efficiency.
Further, the portion of the holding claw 1217 that cooperates with the holding head 32 is a cambered surface.
Specifically, in operation, the hold-down fingers 1217 press against the hold-down head 32 of the rocket 3 through the arcuate surfaces to provide a holding-down 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 pushrod 1223; one end of the swing rod 1221 is hinged with the lower end of the bottom plate of the frame, and the other end is hinged with the base 1222; the 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 with the lower end of the bottom plate of the machine frame, which is far away from the second side plate of the machine frame, and the other end of the combined push rod 1223 is hinged with one side of the base 1222, which is opposite to the second side plate of the machine frame.
Specifically, the specific number of the swing rods 1221 depends on the actual situation. The specific number of the combined push rods 1223 depends on the actual situation.
As one embodiment, the moving mechanism 122 includes: four swing rods 1221, a base 1222, and two combination push rods 1223. One end of the swing rod 1221 is hinged with the lower end of the bottom plate of the frame, and the other end is hinged with the base 1222; the four swing rods 1221 are uniformly spaced and parallel to each other, and the swing rods 1221, the base 1222 and the chassis base plate form a parallelogram structure. One end of the combined push rod 1223 is hinged with the lower end of the bottom plate of the machine frame, which is far away from the second side plate of the machine frame, the other end of the combined push rod 1223 is hinged with one side of the base 1222, which is opposite to the second side plate of the machine frame, and the two combined push rods 1223 are parallel to each other and are positioned in the parallelogram structure. In operation, the composite pushrod 1223 is extended or shortened, the interior angle of the parallelogram structure is changed, and the parallelogram swings forward or backward.
Specifically, when the rocket 3 is ignited, the control system receives a working instruction issued by the upper system, and sends the working instruction to the locking mechanism 121 and the moving mechanism 122, the servo motor 1216 rotates to drive the holding claw 1217 to open at an angle until the holding claw 1217 is no longer contacted with the rocket 3, and the combined push rod 1223 extends, so that the whole holding release device 1 is leaned back, and release of the rocket 3 is completed.
Further, as shown in fig. 7, the combined pushrod 1223 includes a first connecting rod 12231 and a second connecting rod 12232. The first connecting rod 12231 includes: a first articulation rod 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: a receiving rod 122321, an explosion rod 122322 and a second hinge rod 122323; opposite ends of the explosion rod 122322 are connected to the receiving rod 122321 and the second hinge rod 122323, respectively; the first connecting rod 12231 is connected to the receiving rod 122321, and the hydraulic cylinder 122312 and a portion of the first hinge rod 122311 are slidably disposed within the receiving rod 122321; the blast rod 122322 includes: an elastic means 1223221, a sub-connecting rod 1223222 and an explosion bolt 1223223; opposite ends of the sub-link lever 1223222 are connected to the receiving lever 122321 and the second hinge lever 122323, respectively; the explosion bolt 1223223 is arranged inside the sub-connecting rod 1223222, the elastic device 1223221 is arranged outside the sub-connecting rod 1223222, and the elastic device 1223221 is in a compressed state; the second hinge rod 122323 has a second hinge hole 1223231 provided at an end thereof remote from the explosion rod 122322 and is hinged to the base 1222 through a second hinge hole 1223231.
Specifically, when the control system receives a working instruction sent by the upper system and exceeds a predetermined time, the servo motor 1216 or the hydraulic cylinder 122312 does not act to unlock according to a predetermined program, the explosion bolt 1223223 is detonated, the sub-connecting rod 1223222 is disconnected, and the combined push rod 1223 is pushed out under the action of a spring force, so that the whole drag release device 1 is tilted backward, and the unlocking is completed. Under normal working conditions, the explosion bolts 1223223 are not detonated, and the redundancy design is adopted here, so that the reliability of the system can be improved.
Further, the elastic means 1223221 is a spring.
The beneficial effects achieved by the application are as follows:
(1) The drag release device and the system thereof are connected with a servo motor and a hydraulic system in series, and the servo motor performs precise work; the hydraulic system is used for carrying out large-driving-force and rough work; the whole drag release device and the system thereof can not only carry out precise operation, but also provide larger working force, and the drag release device has smart design, simple structure and high efficiency.
(2) The drag release device and the system thereof add redundant design, and under the condition that a servo motor or a hydraulic system fails, an initiating explosive device is adopted to release a spring, so that the reliability of the system is improved as a final guarantee means.
(3) The drag release device and the system thereof well meet the requirement of the drag release function on a mechanical system, and fill the blank of the drag release device in China.
While 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, it is intended that the scope of the application be interpreted as including the preferred embodiments and all alterations and modifications that fall within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and the technical equivalents thereof, the present application is also intended to include such modifications and variations.
Claims (8)
1. A drag release device comprising: a rocket support for placing a rocket and a holding arm for providing holding force for the rocket; the rocket supporting seat is arranged on the rocket launching platform, and the holding arms are arranged on the rocket launching platform on one side of the rocket supporting seat far away from the rocket in parallel and are spaced from the rocket supporting seat by a preset distance;
the pinning arm comprises: the locking mechanism, the moving mechanism and the control system;
the lower end of the moving mechanism is arranged on the 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 working instructions sent by the control system, and the rocket is held or released according to the working instructions;
wherein, locking mechanism includes: the device comprises a frame, a heat shield, an upper connecting rod, a lower connecting rod, a speed reducer, a servo motor and a holding claw;
the frame comprises: the device comprises a frame bottom plate, a frame first side plate, a frame second side plate and a frame third side plate; the first side plate of the rack, the second side plate of the rack and the third side plate of the rack are respectively arranged at the upper end of the bottom plate of the rack; opposite sides of the second side plate of the frame, which are perpendicular to the bottom plate of the frame, are respectively connected with one side of the first side plate of the frame and one side of the third side plate of the frame;
the heat-proof cover is respectively connected with the first side plate of the frame and the third side plate of the frame to form a containing cavity; the upper connecting rod, the lower connecting rod, the speed reducer, the servo motor and the holding claw are all arranged in the accommodating cavity; the middle part of the holding claw is rotationally connected with the second side plate of the frame; one end of the holding claw is hinged with one end of the upper connecting rod, and the other end of the holding claw is exposed out of the accommodating cavity and is matched with a holding 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 moving mechanism includes: 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 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 of the frame bottom plate, which is far away from the second side plate of the frame, and the other end of the combined push rod is hinged with one side of the base, which is opposite to the second side plate of the frame.
2. The drag release device of claim 1, wherein the heat shield is provided with a cable aperture; the cable is connected with the servo motor through the cable hole.
3. The drag release device of claim 2, wherein the decelerator is a right angle dual output decelerator.
4. A drag release device according to claim 1 or 3, wherein the lower link comprises 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.
5. The drag release device of claim 1, wherein the portion of the drag claw that engages the drag head is a cambered surface.
6. The drag release device of claim 1, 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 hinging rod is provided with a first hinging hole and is hinged with the frame through the first hinging hole, and the other end of the first hinging rod is connected with the hydraulic cylinder;
the second connecting rod includes: a containment rod, an explosion rod and a second hinge rod; opposite ends of the explosion rod are respectively connected with the accommodating rod and the second hinging rod; the first connecting rod is connected with the accommodating rod, and the hydraulic cylinder and a part of the first hinging rod are arranged in the accommodating rod in a sliding manner;
the blast bar includes: elastic device, sub-connecting rod and explosion bolt; opposite ends of the sub-connecting rod are respectively connected with the accommodating rod and the second hinging rod; the explosion bolt is arranged inside the sub-connecting rod, and the elastic device is arranged outside the sub-connecting rod;
and one end, far away from the explosion rod, of the second hinging rod is provided with a second hinging hole, and the second hinging hole is hinged with the base.
7. The drag release device of claim 6, wherein the resilient means is a spring.
8. A drag release system comprising: at least four sets of the drag release device and superior system of any one of claims 1-7; the four groups of the holding-down release devices are uniformly arranged on the rocket launching platform in a circle with the center of the rocket launching platform as the circle center, and the holding-down release devices receive working instructions of the upper system and hold down 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN113800012A CN113800012A (en) | 2021-12-17 |
| CN113800012B true 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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| AT267969B (en) * | 1965-12-23 | 1969-01-27 | Oerlikon Buehrle Holding Ag | Missile launcher |
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|---|---|
| CN113800012A (en) | 2021-12-17 |
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