CN208344558U - A kind of marmem driving separating mechanism - Google Patents
A kind of marmem driving separating mechanism Download PDFInfo
- Publication number
- CN208344558U CN208344558U CN201820523781.6U CN201820523781U CN208344558U CN 208344558 U CN208344558 U CN 208344558U CN 201820523781 U CN201820523781 U CN 201820523781U CN 208344558 U CN208344558 U CN 208344558U
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- marmem
- steel ball
- spring
- spiral shell
- pin
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Abstract
The utility model discloses a kind of marmems to drive separating mechanism, belongs to aircraft separation technology field.Include: marmem pin removal, driving spring, drive shaft, press spiral shell, steel ball, locking spring, lock cylinder, small pressure spiral shell, ontology and pressure spiral shell greatly.Marmem pin removal is made of pin shaft, spring, pin removal pressure spiral shell, shell, marmem sleeve and conducting wire.The utility model is by being designed as indirect drive mechanism for marmem pin removal, locking spring, lock cylinder and small pressure spiral shell constitute locking mechanism and transmission mechanism, by cooperating with steel ball, the normal pressure for driving spring to be transmitted to marmem pin removal is decayed, the Reliability of Microprocessor of entire mechanism is improved.The utility model has many advantages, such as that driving force is big, stroke is big.And entire separating mechanism can recycle, and improve service efficiency.
Description
Technical field
The utility model relates to aircraft separation technology fields, and in particular to a kind of seperator of marmem driving
Structure.
Background technique
With the rapid development of vehicle technology.The task that aircraft undertakes tends to diversification and complicates, wherein flying
Device is frequently necessary to carry out the release of special payload.How to be reliably achieved the separation of load and aircraft is the pass of technology
Key.
Currently used in the isolation technics of aircraft, the most commonly used is the promotional implement of gunpowder driving, which is mainly utilized
Powder burning generates gas driven piston acting.Realize the reliable action of the promotional implement, its driving force of inevitable requirement and stroke
Big, the content of such gunpowder necessarily increases, and shock loading when effect is very big, often will appear damage aircraft and wait release
The case where putting load.And gunpowder promotional implement belongs to disposable product, after effect, entire separating mechanism will be scrapped, and cause
The waste of resource.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the purpose of this utility model is to provide a kind of shape memories
Alloy drives separating mechanism, and the utility model has many advantages, such as that driving force is big, stroke is big.And entire separating mechanism can recycle,
Improve service efficiency.
To achieve the above object, the utility model adopts the following technical solution, a kind of marmem driving seperator
Structure characterized by comprising marmem pin removal, drive shaft, presses greatly spiral shell, steel ball, locking spring, locking at driving spring
Cylinder, small pressure spiral shell, ontology and pressure spiral shell.
Marmem pin removal is by pin shaft, spring, pin removal pressure spiral shell, shell, marmem sleeve and conducting wire
It constitutes.Usually marmem sleeve limits pin shaft, spring and pin shaft is limited in original state, spring is in pressure
Contracting state, after marmem sleeve, which is powered, to be heated, marmem sleeve temperature distortion is outside along internal diameter direction
Diameter expansion.The limitation to pin shaft is released, the spring driving bearing pin movement in compressive state reaches marmem and pulls pin
Pin shaft outside device pulls out back.
Driving spring is placed in one end of drive shaft, is in compressive state, drive the decrement of spring according to power output and stroke into
Row is adjusted.
Drive shaft is that a ladder-like cylindrical body is constituted, and inside has a blind hole, and driving spring is placed in the blind hole, along great circle
The excircle of column has an annular groove.The material of drive shaft is 40Cr, and carries out being heat-treated to 40HRC~45HRC.So
Setting, improves the hardness and strength of drive shaft.
There is through-hole inside big pressure spiral shell, threaded connection is fixed on the body, to be limited to drive shaft and driving spring,
Prevent drive shaft and driving spring pop-up damage aircraft or load to be released.When big pressure spiral shell threaded connection is fixed on the body, spiral shell
It smears shellac varnish and applies torque in line position.So set, being since the driving force of driving spring is big to prevent from that spiral shell and ontology is pressed to connect greatly
It is not firm to connect.
Steel ball size is any one in 3mm or 3.5mm or 4mm.
Locking spring is placed in one end of lock cylinder, is in compressive state, and the decrement of locking spring is 1.5 times of steel ball size~
2 times.So set, locking spring is made reliably to drive steel ball movement in place by lock cylinder.
Lock cylinder is made of three sections of cylinders.One end of cylinder I has circular hole, and locking spring is placed in the circular hole, cylinder I it is another
One end is greater than the diameter of steel ball apart from the distance that ontology places the corresponding end face of the lock cylinder, and cylinder II is placed in middle part, cylinder III
It is placed in the other end, the diameter of cylinder III is 1.1 times~1.2 times of the diameter of steel ball, and the diameter of cylinder III and cylinder II is straight
The difference of diameter is 2.2 times~2.4 times of the dogging beam of steel ball on the driving shaft.Be arranged such, it is ensured that lock cylinder reliably pushes and
The steel ball that marmem pin removal is connected, and guarantee that lock cylinder two steel balls associated with drive shaft reliably release pair
The locking of drive shaft.The material of lock cylinder is 40Cr, and carries out being heat-treated to 40HRC~45HRC.So set, improving locking
The hardness and strength of cylinder prevent steel ball from squeezing lock cylinder, damage lock cylinder.
Small pressure spiral shell is to fixedly locked spring and lock cylinder.
A stepped circular hole is set from top to down in the middle part of ontology, to place marmem pin removal, and with pressing spiral shell
Fixed marmem pin removal.Through-hole of the lead-out wire of marmem pin removal in the middle part of pressure spiral shell is drawn.Along ontology
The two sides at middle part are symmetrical arranged two circular holes from top to down, to install steel ball.The two sides of ontology and placement marmem
The associated position of pin removal is also symmetrical arranged two through-holes being mutually communicated, and the through-hole is to be sequentially placed steel ball, lock cylinder, lock
Determine spring and small pressure spiral shell.Also set up two blind holes in the through-hole lower part that this two are mutually communicated, to place driving spring, drive shaft and
Big pressure spiral shell.
Further, there are two symmetrical inclined slopes to constitute for the annular groove on the big cylinder of the drive shaft, and two
The angle of a slope composition is 90 °~150 °.Preferably, the angle of two slopes composition is 120 °, and slope and periphery are handed over
Arc transition at remittance.So set, being because when aircraft executes air tasking, it will usually it is subjected to violent vibration environment,
Since the driving force of driving spring is big, under vibration, the position that steel ball is contacted with drive shaft usually will appear impression or pit.
There is such case, steel ball is easily locked.In order to avoid impression or pit occurs in the position that steel ball is contacted with drive shaft, by steel
Ball and the contact surface of drive shaft are arranged in drive shaft far from slope and periphery intersection, and the oblique of drive shaft annular groove is arranged in
On slope, so under vibration, steel ball is rolled along the slope of drive shaft annular groove, rather than fixed point stress, then steel
The position that ball is contacted with drive shaft can avoid big pit under vibration to be occurred, to prevent steel ball from being locked.Drive shaft
Slope and periphery intersection arc transition setting also for preventing steel ball to be stuck.Meanwhile two slopes of drive shaft
The angle of composition it is more big be conducive to steel ball along drive shaft annular groove slope roll, but two slopes composition angle
Bigger, driving spring driving force will be bigger by the normal pressure that steel ball is transmitted to lock cylinder, necessarily leads to the power output of locking spring
Increase, so that the driving force of marmem pin removal increases accordingly.Therefore comprehensively consider, the angle of two slopes composition
Degree is 90 °~150 °.Preferably, the angle of two slopes composition is 120 °.
Further, the dogging beam in the annular groove on the big cylinder of steel ball insertion drive shaft is 0.5mm~1mm.It is excellent
Selection of land, it is 0.6mm that steel ball, which is embedded in the dogging beam in the annular groove on the big cylinder of drive shaft,.So set, being because flying
When row device executes air tasking, it will usually violent vibration environment is subjected to, since the driving force of driving spring is big, in vibration environment
Under, the position that steel ball is contacted with drive shaft usually will appear impression or pit.If the dogging beam of steel ball is too small, it is possible to will appear
Steel ball can't lock the case where drive shaft, if the dogging beam of steel ball is too big, sometimes also will appear steel ball cannot reliably be released to drive
The case where moving axis locks.It is 500m/s by carrying out overload quantity to 10 hair increments2, duration 3s analog vibration test, steel
Ball is embedded in the dogging beam in the annular groove on the big cylinder of drive shaft when being 0.5mm~1mm, steel ball to the locking of drive shaft and
The functional reliability to unlock is best, reliability 100%.When dogging beam is 0.3mm, occur 1 in vibration processes
The case where sending out accidental action, when dogging beam is 1.2mm, the function reliability after vibration is tested, and the feelings that 1 hair does not act on occurs
Condition.With the increase of dogging beam, response time when effect accordingly extends, it is contemplated that assembly and mismachining tolerance, dogging beam are preferred
0.6mm。
Further, marmem pin removal locks 2.2 times that the diameter of the pin shaft of two steel balls is steel ball size
~2.5 times.Further, the diameter that marmem pin removal locks the pin shaft of two steel balls is the 2.2 of steel ball size
Times.
The advantageous effects of the utility model are embodied in:
Usually, in a state of nature, the steel ball of marmem pin removal two sides limits marmem pin removal
Lock cylinder and locking spring movement, so that III periphery of cylinder of lock cylinder is contacted with steel ball, the annular that steel ball is stuck in drive shaft is recessed
In slot, so that driving spring and drive shaft are locked in home position.In this way, entire mechanism is in a state of nature.Due to steel ball with
Drive shaft and lock cylinder surface belong to the rolling friction of steel-steel, and coefficient of friction is smaller, generally up to take 0.15, lock in this way
The 15% of the driving force of the driving force ratio driving spring of spring driving lock cylinder is slightly larger.Similarly, marmem pin removal drives
Power than locking spring driving force 30% it is slightly larger can the (locking due to marmem pin removal by two locking springs
Power).It can be driven with the driving force and stroke of very little by setting locking spring and lock cylinder, marmem pin removal
Dynamic power output very big and very big stroke driving spring and drive shaft.
After the energization of marmem pin removal is pulled out back, the constraint to steel ball is released, locking spring drives lock cylinder movement,
Steel ball push-in ontology is placed in the corresponding aperture of marmem pin removal.At this time lock cylinder by cylinder III periphery and steel
Ball contact releases, and spring is driven to push drive shaft movement at this time, squeezes steel ball and moves upwards, the circumference of steel ball and lock cylinder cylinder II
Face contact.Two drive shafts move in place under the driving of driving spring, realize the separation to aircraft and load to be released.
Generally speaking, a kind of marmem driving separating mechanism of the utility model has driving force is big, stroke is big etc.
Advantage.And entire separating mechanism can recycle, and improve service efficiency.It has a wide range of applications in aircraft field.
Detailed description of the invention
Fig. 1 is that a kind of marmem of the utility model drives separating mechanism original state schematic diagram；
Fig. 2 is the utility model marmem pin removal original state structural schematic diagram；
Fig. 3 is the utility model marmem pin removal status architecture schematic diagram in place；
Fig. 4 is that a kind of marmem of the utility model drives separating mechanism status diagram in place.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve
The utility model is released, is not used to limit the utility model.In addition, in the various embodiments of the present invention described below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of marmem of the utility model drives separating mechanism better embodiment, and composition is as shown in Figure 1, packet
Include: marmem pin removal 1, driving spring 2, drive shaft 3, big pressure spiral shell 4, steel ball 5, locking spring 6, lock cylinder 7, small pressure spiral shell 8,
Ontology 9 and pressure spiral shell 10.
Marmem pin removal 1 as shown in Fig. 2, by pin shaft 1-1, spring 1-2, pin removal pressure spiral shell 1-3, shell 1-4,
Marmem sleeve 1-5 and conducting wire 1-6 is constituted.Usually marmem sleeve 1-5 limits pin shaft 1-1, will
Spring 1-2 and pin shaft 1-1 is limited in original state, and spring 1-2 is in compressive state, when marmem sleeve 1-5 is powered
After heated, marmem sleeve 1-5 temperature distortion, along internal diameter direction to external diameter expansion.Release the limit to pin shaft 1-1
System, the spring 1-2 driving bearing pin 1-1 movement in compressive state, reaches the pin shaft 1- of 1 outside of marmem pin removal
1 pulls out back, and the state after movement in place is as shown in Figure 3.Marmem pin removal 1 locks the straight of the pin shaft 1-1 of two steel balls 5
Diameter is 2.2 times of 5 diameter of steel ball.
Driving spring 2 is placed in one end of drive shaft 3, is in compressive state, drives the decrement of spring 2 according to power output and stroke
It is adjusted.
Drive shaft 3 is that a ladder-like cylindrical body is constituted, and inside has a blind hole, and driving spring 2 is placed in the blind hole, along big
The excircle of cylinder has an annular groove.The annular groove is made of two symmetrical inclined slopes, two slopes
The angle of composition is 120 °, and slope and periphery intersection arc transition.
The material of drive shaft 3 is 40Cr, and carries out being heat-treated to 40HRC.
There is through-hole inside big pressure spiral shell 4, threaded connection is fixed on ontology 9, big that the threaded connection of spiral shell 4 is pressed to be fixed on ontology 9
When upper, screw thread position smears shellac varnish and applies torque.
5 diameter of steel ball is 3mm, and it is 0.6mm that steel ball 5, which is embedded in the dogging beam in the annular groove on the big cylinder of drive shaft 3,.
Locking spring 6 is placed in one end of lock cylinder 7, is in compressive state, the decrement of locking spring 6 is the 1.5 of 5 diameter of steel ball
Times.
Lock cylinder 7 is made of three sections of cylinders.One end of cylinder I has circular hole, and locking spring 6 is placed in the circular hole, cylinder I
The other end is greater than the diameter of steel ball 5 apart from the distance that ontology 9 places the corresponding end face of lock cylinder 7, and cylinder II is placed in middle part, circle
Column III is placed in the other end, and the diameter of cylinder III is 1.1 times of the diameter of steel ball 5, and the diameter of the diameter of cylinder III and cylinder II
Difference be 2.2 times of dogging beam of the steel ball 5 in drive shaft 3.The material of lock cylinder 7 is 40Cr, and is heat-treated to
40HRC。
Small pressure spiral shell 8 is to fixedly locked spring 6 and lock cylinder 7.
A stepped circular hole is arranged in the middle part of ontology 9 from top to down, to place marmem pin removal 1, and with pressing
Spiral shell 10 fixes marmem pin removal 1.The lead-out wire of marmem pin removal 1 draws from the through-hole at 10 middle part of pressure spiral shell
Out.Two sides along 9 middle part of ontology are symmetrical arranged two circular holes from top to down, to install steel ball 5.The two sides of ontology 9 and placement
The associated position of marmem pin removal 1 is also symmetrical arranged two through-holes being mutually communicated, and the through-hole is to be sequentially placed
Steel ball 5, lock cylinder 7, locking spring 6 and small pressure spiral shell 8.Two blind holes are also set up in the through-hole lower part that this two are mutually communicated, to
Place driving spring 2, drive shaft 3 and big pressure spiral shell 4.
The working principle of the utility model is as follows:
Usually, in a state of nature, the steel ball 5 of 1 two sides of marmem pin removal limits marmem pin removal 1
Lock safety barrel 7 and locking spring 6 move, so that III periphery of cylinder of lock cylinder 7 is contacted with steel ball 5, steel ball 5 is stuck in drive shaft 3
Annular groove in so that driving spring 2 and drive shaft 3 are locked in home position, in this way, entire mechanism is in a state of nature,
As shown in Figure 2.
After the energization of marmem pin removal 1, which is pulled out, returns to state as shown in Figure 3, the constraint to steel ball 5, lock are released
Determining spring 6 drives lock cylinder 7 to move, and steel ball 5 is pushed into ontology 9 and is placed in the corresponding aperture of marmem pin removal 1.It locks at this time
Safety barrel 7 contacts releasing with steel ball 5 by the periphery of cylinder III, drives spring 2 that drive shaft 3 is pushed to move at this time, and it is upward to squeeze steel ball 5
Movement, the circumference contact of steel ball 5 and 7 cylinder II of lock cylinder.Two drive shafts 3 driving spring 2 driving under, move to as
State shown in Fig. 4 realizes the separation to aircraft and load to be released.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of marmem drives separating mechanism characterized by comprising marmem pin removal (1), driving
Spring (2), drive shaft (3) press greatly spiral shell (4), steel ball (5), locking spring (6), lock cylinder (7), small pressure spiral shell (8), ontology (9) and pressure spiral shell
(10)；
Marmem pin removal (1) presses spiral shell (1-3), shell (1-4), shape by pin shaft (1-1), spring (1-2), pin removal
Memorial alloy sleeve (1-5) and conducting wire (1-6) are constituted, and usually marmem sleeve (1-5) limits pin shaft (1-1)
Position, is limited in original state for spring (1-2) and pin shaft (1-1), spring (1-2) is in compressive state, works as marmem
After sleeve (1-5) energization is heated, marmem sleeve (1-5) temperature distortion is released along internal diameter direction to external diameter expansion
Limitation to pin shaft (1-1), spring (1-2) driving bearing pin (1-1) movement in compressive state, reaches marmem
Pin shaft (1-1) outside pin removal (1) pulls out back；
Driving spring (2) is placed in one end of drive shaft (3), is in compressive state, drives the decrement of spring (2) according to power output and row
Journey is adjusted；
Drive shaft (3) is that a ladder-like cylindrical body is constituted, and inside has a blind hole, and driving spring (2) is placed in the blind hole, outer circle
There is an annular groove, the material of drive shaft (3) is 40Cr, and carries out being heat-treated to 40HRC~45HRC on week；
There is through-hole, threaded connection is fixed on ontology (9), and screw thread position smears shellac varnish and applied force inside big pressure spiral shell (4)
Square；
The diameter of steel ball (5) is any one in 3mm or 3.5mm or 4mm；
Locking spring (6) is placed in one end of lock cylinder (7), is in compressive state, the decrement of locking spring (6) is steel ball (5) diameter
1.5 times~2 times；
Lock cylinder (7) is made of three sections of cylinders, and one end of cylinder I has circular hole, and locking spring (6) is placed in the circular hole, cylinder I
The other end is greater than the diameter of steel ball (5) apart from the distance that ontology (9) places lock cylinder (7) the corresponding end face, and cylinder II is placed in
Middle part, cylinder III is placed in the other end, and the difference of the diameter of the diameter of cylinder III and cylinder II is steel ball (5) in drive shaft (3)
On 2.2 times~2.4 times of dogging beam, the material of lock cylinder (7) is 40Cr, and carries out being heat-treated to 40HRC~45HRC；
Small pressure spiral shell (8) is to fixedly locked spring (6) and lock cylinder (7)；
A stepped circular hole is set from top to down in the middle part of ontology (9), to place marmem pin removal (1), and with pressing
Spiral shell (10) is fixed marmem pin removal (1), and the lead-out wire of marmem pin removal (1) is in the middle part of pressure spiral shell (10)
Through-hole is drawn, and the two sides in the middle part of ontology (9) are symmetrical arranged two circular holes, to install steel ball (5), ontology (9) from top to down
Two sides and place marmem pin removal (1) associated position and be also symmetrical arranged two through-holes being mutually communicated, this is logical
Hole is to be sequentially placed steel ball (5), lock cylinder (7), locking spring (6) and small pressure spiral shell (8), under two through-holes being mutually communicated
Portion also sets up two blind holes, to place driving spring (2), drive shaft (3) and big pressure spiral shell (4).
2. a kind of marmem according to claim 1 drives separating mechanism, it is characterised in that: the drive shaft
(3) annular groove on excircle is made of two symmetrical inclined slopes, two slopes composition angle be 90 °~
150°。
3. a kind of marmem according to claim 1 or 2 drives separating mechanism, it is characterised in that: two slopes
The angle of composition is 120 °, and slope and periphery intersection arc transition.
4. a kind of marmem according to claim 1 drives separating mechanism, it is characterised in that: the steel ball (5)
The dogging beam being embedded in the annular groove of the excircle of drive shaft (3) is 0.5mm~1mm.
5. a kind of marmem according to claim 1 or 4 drives separating mechanism, it is characterised in that: steel ball (5) is embedding
Entering the dogging beam in the annular groove of the excircle of drive shaft (3) is 0.6mm.
6. a kind of marmem according to claim 1 drives separating mechanism, it is characterised in that: marmem
The diameter of the pin shaft (1-1) of pin removal (1) two steel balls (5) of locking is 2.2 times~2.5 times of steel ball (5) diameter.
7. a kind of marmem according to claim 1 or 6 drives separating mechanism, it is characterised in that: shape memory
The diameter of the pin shaft (1-1) of alloy pin removal (1) two steel balls (5) of locking is 2.2 times of steel ball (5) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523781.6U CN208344558U (en) | 2018-04-12 | 2018-04-12 | A kind of marmem driving separating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523781.6U CN208344558U (en) | 2018-04-12 | 2018-04-12 | A kind of marmem driving separating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208344558U true CN208344558U (en) | 2019-01-08 |
Family
ID=64886420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820523781.6U Expired - Fee Related CN208344558U (en) | 2018-04-12 | 2018-04-12 | A kind of marmem driving separating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208344558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927936A (en) * | 2019-02-19 | 2019-06-25 | 上海卫星工程研究所 | The satellite that load and platform are thermomechanically separated |
-
2018
- 2018-04-12 CN CN201820523781.6U patent/CN208344558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927936A (en) * | 2019-02-19 | 2019-06-25 | 上海卫星工程研究所 | The satellite that load and platform are thermomechanically separated |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |