CN108087152B - kinds of isolation mechanism - Google Patents
kinds of isolation mechanism Download PDFInfo
- Publication number
- CN108087152B CN108087152B CN201711395704.3A CN201711395704A CN108087152B CN 108087152 B CN108087152 B CN 108087152B CN 201711395704 A CN201711395704 A CN 201711395704A CN 108087152 B CN108087152 B CN 108087152B
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- rotating
- rotating shaft
- fixed
- mounting seat
- rotating wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/38—Safety devices, e.g. to prevent accidental ignition
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides isolation mechanisms, which comprise a rotating shaft, a medicine column, a rotating wheel, a mounting seat, an action source and a rotating motor, wherein a cylindrical cavity is arranged in the mounting seat, the rotating shaft is vertically and coaxially fixed in the cavity, the rotating wheel is fixed on the rotating shaft, the rotating motor is fixed at the bottom end of the rotating shaft and drives the rotating shaft to rotate, the medicine column penetrates through and is fixed at the position close to the edge in the rotating wheel, and the action source is arranged at the position in the mounting seat, which corresponds to the lower part of the medicine column.
Description
Technical Field
The invention relates to isolation mechanisms.
Background
The motion execution component is an important component of the aircraft and is used for starting the corresponding component of the aircraft after receiving a starting signal, is widely applied to aerospace products, the inertia safety mechanism and the isolation mechanism are the core of the motion execution component and are used for ensuring that the aircraft is in a safety state before storage, transportation and service processing, launching and entering a motion area and is in the safety state, -level safety relief and second-level safety relief cannot be accidentally performed, -level safety relief and second-level safety relief are sequentially performed after -level safety relief signals and second-level safety relief signals are received, the device is in a to-be-started state, and can reliably operate after receiving starting signals input by motion components or other components in the aircraft.
Specifically, the method comprises the following steps:
1. the driving force of the traditional isolation mechanism is a torsion spring or a pressure spring, the reverse driving of the rotating wheel cannot be realized, the wheel cannot be conveniently restored to the initial state after the secondary safety is relieved, the driving force is larger in the initial stage, the driving force is small in the ending stage, the variation of the driving force is larger, the rotating wheel of the isolation mechanism can not rotate in place, and the reliability is lower;
2. the traditional isolation mechanism is restricted by a firepower pin puller;
3. the traditional isolating mechanism is restrained by using the powder pin puller, the powder pin puller is an -time-use device, when the performance of the secondary fuse release is detected, only a destructive test can be performed on the powder pin puller, the detection on the action performance of the powder pin puller of the isolating mechanism is difficult to realize in the usual test, and the test at ordinary times has the defect of times.
Disclosure of Invention
In order to solve the technical problems, the invention provides isolating mechanisms, which aim to enable the driving force of the isolating mechanism of the device to realize forward and reverse rotation driving of the rotating wheel, so that the isolating mechanism of the device can be conveniently restored to an initial state after the secondary safety of the isolating mechanism is relieved, the driving force is uniform in the whole rotating process, the rotating wheel is effectively driven to rotate in place, the reliability of the relief of the secondary safety is improved, and the detection of the secondary safety action relieving performance of the isolating mechanism can be realized without destructive tests.
The invention is realized by the following technical scheme.
The invention provides isolation mechanisms, which comprise a rotating shaft, a drug column, a rotating wheel, a mounting seat, an action source and a rotating motor, wherein a cylindrical cavity is arranged in the mounting seat, the rotating shaft is vertically and coaxially fixed in the cavity, the rotating wheel is fixed on the rotating shaft, the rotating motor is fixed at the bottom end of the rotating shaft and drives the rotating shaft to rotate, the drug column penetrates and is fixed at the position close to the edge in the rotating wheel, and the action source is arranged at the position, corresponding to the lower part of the drug column, in the mounting seat.
An electromagnetic clamping device is sleeved and fixed on the rotating shaft between the rotating wheel and the rotating motor.
An openable cover plate is fixed at the top of the mounting seat.
The top end of the rotating shaft is fixed in the bearing, and the bearing is fixed in the cover plate.
The bearing is fixed at the central position of the cover plate.
In the initial state, on the vertical projection, the drug column and the action source are oppositely arranged by taking the rotating shaft as a symmetrical point.
The electromagnetic clamp is in a clamping state in an initial state.
And a locker is arranged on the side wall of the mounting seat and can clamp and lock the rotating wheel.
The locking torque of the locker is smaller than the clamping torque of the electromagnetic clamper.
The invention has the beneficial effects that: the rotating motor is used as a driving force to realize the reverse rotation driving of the rotating wheel, so that the isolating mechanism of the device can be conveniently restored to the initial state after the secondary insurance is removed, the driving force of the rotating wheel in the initial stage and the ending stage is uniform, the rotating wheel is effectively driven to rotate in place, and the reliability of the removal of the secondary insurance is improved; the electromagnetic clamp is used for restraining the secondary insurance of the isolation mechanism, so that the detection of the secondary insurance release performance of the isolation mechanism can be realized without destructive tests.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top partial cross-sectional schematic view of fig. 1.
In the figure: the device comprises a cover plate 1, a bearing 2, a rotating shaft 3, a medicine column 4, a rotating wheel 5, a mounting seat 6, an electromagnetic clamp 7, an action source 8, a rotating motor 9 and a locker 10.
Detailed Description
The following illustrates the present invention, but the scope of the claims is not limited thereto.
kinds of isolation mechanisms shown in figures 1 and 2 comprise a rotating shaft 3, a drug column 4, a rotating wheel 5, a mounting seat 6, an action source 8 and a rotating motor 9, wherein a cylindrical cavity is arranged in the mounting seat 6, the rotating shaft 3 is vertically and coaxially fixed in the cavity, the rotating wheel 5 is fixed on the rotating shaft 3, the rotating motor 9 is fixed at the bottom end of the rotating shaft 3, the rotating motor 9 drives the rotating shaft 3 to rotate, the drug column 4 penetrates and is fixed at the position close to the edge in the rotating wheel 5, and the action source 8 is arranged at the position corresponding to the lower part of the drug column 4 in the mounting seat 6.
An electromagnetic clamping device 7 is sleeved and fixed on the rotating shaft 3 between the rotating wheel 5 and the rotating motor 9.
An openable cover plate 1 is fixed on the top of the mounting seat 6.
The top end of the rotating shaft 3 is fixed in the bearing 2, and the bearing 2 is fixed in the cover plate 1.
The bearing 2 is fixed at the central position of the cover plate 1.
In the initial state, in the vertical projection, the drug column 4 and the action source 8 are oppositely arranged by taking the rotating shaft 3 as a symmetrical point.
The electromagnetic clamp 7 is in a clamped state in an initial state.
The side wall of the mounting seat 6 is provided with a locker 10, and the locker 10 can clamp and lock the rotating wheel 5.
The locking torque of the retainer 10 is smaller than the clamping torque of the electromagnetic clamp 7.
Therefore, the invention consists of a cover plate 1, a bearing 2, a rotating shaft 3, a drug column 4, a rotating wheel 5, a mounting seat 6, an electromagnetic clamping device 7, an action source 8, a rotating motor 9 and a locker 10, wherein the bearing 2 is arranged in the cover plate 1, the drug column 4 is arranged in the rotating wheel 5, the rotating wheel 5 is arranged on the rotating shaft 3, the electromagnetic clamping device 7 and a motor are arranged on the rotating shaft 3, an electric detonator is arranged on the mounting seat 6, the motor, the electromagnetic clamping device 7 and the rotating wheel 5 are lifted up and arranged in the mounting seat 6, and the cover plate 1 is used for fixing the device in the mounting seat 6.
In the service processing, the electromagnetic clamp 7 clamps the rotating shaft 3, the rotating wheel 5 is limited to rotate around the rotating shaft 3 under the action of external force, so that the chemical column 4 is enabled to be dislocated with a starting source, and therefore the chemical column is in an explosion-proof state, when the aircraft is in a flight process and is subjected to corresponding overload force, -level insurance of an isolating mechanism is relieved, and when secondary insurance is required to be relieved, the isolating mechanism receives corresponding signals, the electromagnetic clamp 7 and the rotating motor 9 are energized, the electromagnetic clamp 7 is loosened, the constraint on the rotating shaft 3 is relieved, the rotating motor 9 is rapidly rotated after being energized, the rotating shaft 3 is driven to rotate, so that the rotating wheel 5 is driven to rotate, when the rotating wheel 5 rotates 180 degrees, the chemical column 4 is aligned with an action source 8, at the moment, the secondary insurance is relieved, meanwhile, a locking hole of the rotating wheel 5 is aligned with a pin of the lock device 10, the pin of the lock device 10 extends into the locking hole of the rotating wheel 5 under the action of a spring resistance, the rotation of the wheel is limited to rotate, when the design force, the rotation of the motor is smaller than the pin of the lock device 10, even if the rotating wheel 7 and the rotating wheel 5 is not energized, the rotating motor, the rotating wheel 5 is not energized, the rotating wheel 5, and even if the rotating motor is not energized, the rotating wheel 5 is not energized.
During ordinary test, as long as the electromagnetic clamp 7 is powered on, the locker 10 is pulled out, and reverse voltage is applied to the rotating motor 9, the motor can provide reverse driving force for the rotating wheel 5, so that the isolation mechanism is conveniently restored to the initial state, and the detection and the test of the isolation mechanism are conveniently carried out.
Thus:
1. the rotating motor is used as the driving force of the isolation mechanism, the rotating wheel is driven in a reverse rotation manner, the isolation mechanism can be conveniently restored to the initial state after the secondary insurance of the isolation mechanism is relieved, the driving force of the rotating wheel in the initial stage and the ending stage is uniform, the rotating wheel is effectively driven to rotate in place, and the reliability of relieving the secondary insurance is improved;
2. the electromagnetic clamping device can be used repeatedly by utilizing the secondary safety restraint of the electromagnetic clamping device on the isolation mechanism, and the detection of the secondary safety relief performance of the isolation mechanism can be realized without destructive tests.
Claims (6)
1, isolation mechanisms comprise a rotating shaft (3), a medicine column (4), a rotating wheel (5), a mounting seat (6), an action source (8) and a rotating motor (9), and are characterized in that a cylindrical cavity is formed in the mounting seat (6), the rotating shaft (3) is vertically and coaxially fixed in the cavity, the rotating wheel (5) is fixed on the rotating shaft (3), the rotating motor (9) is fixed at the bottom end of the rotating shaft (3), the rotating motor (9) drives the rotating shaft (3) to rotate, the medicine column (4) penetrates through the position of the inner edge of the rotating wheel (5), the action source (8) is arranged in the mounting seat (6) corresponding to the position below the medicine column (4), an electromagnetic clamping device (7) is sleeved and fixed on the rotating shaft (3) between the rotating wheel (5) and the rotating motor (9), and the electromagnetic clamping device (7) is in a clamping state in an initial state.
2. The isolation mechanism of claim 1, wherein: an openable cover plate (1) is fixed at the top of the mounting seat (6).
3. The isolation mechanism of claim 1, wherein: the top end of the rotating shaft (3) is fixed in the bearing (2), and the bearing (2) is fixed in the cover plate (1).
4. An isolation mechanism as claimed in claim 3, wherein: the bearing (2) is fixed at the central position of the cover plate (1).
5. The isolation mechanism of claim 1, wherein: in an initial state, on a vertical projection, the drug column (4) and the action source (8) are oppositely arranged by taking the rotating shaft (3) as a symmetrical point.
6. The isolation mechanism of claim 1, wherein: the side wall of the mounting seat (6) is provided with a locker (10), and the locker (10) can clamp and lock the rotating wheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395704.3A CN108087152B (en) | 2017-12-21 | 2017-12-21 | kinds of isolation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395704.3A CN108087152B (en) | 2017-12-21 | 2017-12-21 | kinds of isolation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087152A CN108087152A (en) | 2018-05-29 |
| CN108087152B true CN108087152B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711395704.3A Active CN108087152B (en) | 2017-12-21 | 2017-12-21 | kinds of isolation mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778420B (en) * | 2019-11-19 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Electromagnetic mechanical safety type solid rocket engine igniter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2722877A1 (en) * | 1994-07-22 | 1996-01-26 | Giat Industries | Ammunition safety and arming system |
| CN104677204B (en) * | 2015-02-13 | 2016-06-22 | 湖北三江航天红林探控有限公司 | A kind of interrupter mechanism |
| CN107152897A (en) * | 2017-06-27 | 2017-09-12 | 湖北三江航天红林探控有限公司 | A kind of inertial drive rotator type interrupter |
| CN107228606A (en) * | 2017-06-27 | 2017-10-03 | 湖北三江航天红林探控有限公司 | A kind of dielectric elastomer inertia composite rotors formula interrupter |
| CN107270789A (en) * | 2017-06-27 | 2017-10-20 | 湖北三江航天红林探控有限公司 | A kind of hot melt alloy constraint formula interrupter based on inertia |
-
2017
- 2017-12-21 CN CN201711395704.3A patent/CN108087152B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2722877A1 (en) * | 1994-07-22 | 1996-01-26 | Giat Industries | Ammunition safety and arming system |
| CN104677204B (en) * | 2015-02-13 | 2016-06-22 | 湖北三江航天红林探控有限公司 | A kind of interrupter mechanism |
| CN107152897A (en) * | 2017-06-27 | 2017-09-12 | 湖北三江航天红林探控有限公司 | A kind of inertial drive rotator type interrupter |
| CN107228606A (en) * | 2017-06-27 | 2017-10-03 | 湖北三江航天红林探控有限公司 | A kind of dielectric elastomer inertia composite rotors formula interrupter |
| CN107270789A (en) * | 2017-06-27 | 2017-10-20 | 湖北三江航天红林探控有限公司 | A kind of hot melt alloy constraint formula interrupter based on inertia |
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| Publication number | Publication date |
|---|---|
| CN108087152A (en) | 2018-05-29 |
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