CN209321202U - Reusable mechanical separation mechanism - Google Patents
Reusable mechanical separation mechanism Download PDFInfo
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- CN209321202U CN209321202U CN201822107540.6U CN201822107540U CN209321202U CN 209321202 U CN209321202 U CN 209321202U CN 201822107540 U CN201822107540 U CN 201822107540U CN 209321202 U CN209321202 U CN 209321202U
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- staving
- separating mechanism
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Abstract
The utility model discloses a kind of reusable mechanical separation mechanism, solve the problems, such as burbling noise existing for existing separating mechanism greatly and separation reliability the.Two valve nuts (5) are bolted with penetrating into the top for isolating and falling off shank of bolt (3) in separating mechanism staving (1), two valve nuts (5) are limited by the inner sidewall of thrust bush (7), thrust bush (7) is limited piston (15) limit again, limiting piston (15) is controlled by memorial alloy tension spring (18) and is driven, memorial alloy tension spring (18) is driven by lighting for powder column (19), device is reduced thrust spring compressing force by steel ball structure step by step, steel-ball limiting is released in the case where memory alloy spring is acted on by heat stretch, lesser memory alloy spring expansion force is converted by biggish spring compression force, it also overcomes mechanical position limitation control and releases power defect bigger than normal.It is repeatable to recycle.
Description
Technical field
It is the present invention relates to a kind of mechanical separation mechanism of air-drop equipment, in particular to a kind of to can be repeated several times the machinery used
Separating mechanism and separation method.
Background technique
In ocean application field, the hidden of product can be greatly improved using the delivery that the vehicle of miniaturization carries out product
Property, when reaching default release position, submarine navigation device provides action signal, and relieving mechanism is discharged by mechanically decoupled mode
Launch product.Existing mechanically decoupled release device generally uses priming system (such as blasting bolt) or electromagnetism pin pulling out device to realize
Mechanically decoupled, the separation principle of blasting bolt is: being reached by the detonator inside the blasting bolt that ignites with destroying connecting portion
Mechanically decoupled purpose, that there are burbling noises is big for this separate mode, and after the completion of separating action, release device can not recycling
The problem of utilization;Electromagnetism pin pulling out device is to be limited and limited releasing by the expanding-contracting action of electromagnet core, this
Mode advantage is that separation noise is small, but it is small with the isolated lower defect of reliability to there is its driving force.
Summary of the invention
The present invention provides a kind of reusable mechanical separation mechanism and separation methods, solve existing separating mechanism
Existing burbling noise is greatly and the technical issues of separation reliability the.
The present invention is to solve the above technical problem by the following technical programs:
A kind of reusable mechanical separation mechanism, including inverted separating mechanism staving, in separating mechanism staving
It is fixedly installed staving lid in lower port, the center of staving lid is provided with central through hole, isolates and falls off shank of bolt from bottom to top
It wears and connects in central through hole, be bolted with two valve nuts penetrating into the intracorporal top for isolating and falling off shank of bolt of separating mechanism bucket,
Nut limit annular convex platform is provided on the lateral wall of two valve nuts, movable sleeve is connected to thrust on the lateral wall of two valve nuts
Sleeve is provided with nut limit on the inner sidewall that nut limits the thrust bush below annular convex platform and releases annular groove, pushes away
Power sleeve is movably arranged on middle and lower part in separating mechanism staving, and the lateral wall top of thrust bush is provided with thrust spring
Apical grafting annular protrusion eaves, lateral wall and the separating mechanism staving of the thrust bush below thrust spring apical grafting annular protrusion eaves
Thrust spring is provided between inner sidewall, the bottom end of thrust spring is arranged on the medial surface of staving lid, the top of thrust spring
Apical grafting is movably set with barrel support on thrust spring apical grafting annular protrusion eaves on the top end face of two valve nuts, and barrel support is living
It is dynamic to be socketed in the upper lumen of thrust bush, it is provided with limit steel ball insertion through-hole in the upper portion side wall of support tube, is limiting
It is provided with limit steel-ball limiting annular groove on the upper end inner sidewall of thrust bush on the outside of the steel ball insertion through-hole of position, in barrel support
It is inside movably set with limiting piston, support spring is provided between the bottom surface of limiting piston and the bucket bottom of barrel support, is limiting
Activity is embedded with limit steel ball in the steel ball insertion through-hole of position, limits the inner end apical grafting of steel ball on the lateral wall of limiting piston,
The outboard end apical grafting of steel ball is limited in limit steel-ball limiting annular groove, the lateral wall of the limiting piston above limit steel ball
On be provided with steel-ball limiting release annular groove, be provided on the upper top surface of limiting piston piston driving cylinder shape groove,
It is provided with powder column in piston driving cylinder shape groove, memorial alloy tension spring is socketed on powder column, memorial alloy upholds bullet
The lower end apical grafting of spring recalls the upper end apical grafting of alloy tension spring in separating mechanism in the groove bottom of piston driving cylinder shape groove
On the upper end bucket bottom medial surface of staving, it is provided with powder column on the lateral surface of the upper end of separating mechanism staving bucket bottom and ignites seat, powder column
The seat that ignites is electrically connected with powder column.
Sealing ring is provided between the central through hole that shank of bolt and staving cover isolating and falling off.
A kind of separation method of reusable mechanical separation mechanism, comprising the following steps:
Staving lid is fixedly installed in the first step in the lower port of separating mechanism staving, at the central setting center of staving lid
Through-hole, isolates and falls off shank of bolt and wears from bottom to top and connect in central through hole, and separating mechanism bucket is intracorporal to be isolated and fallen off penetrating into
The top of shank of bolt is spirally connected two valve nuts, nut limit annular convex platform is provided on the lateral wall of two valve nuts, in two valve spiral shells
Pivot bush unit thrust bush on female lateral wall is provided on the inner sidewall that nut limits the thrust bush below annular convex platform
Nut limit releases annular groove, and thrust bush is movably arranged on middle and lower part in separating mechanism staving, in thrust bush
Lateral wall top is provided with thrust spring apical grafting annular protrusion eaves, the thrust bush below thrust spring apical grafting annular protrusion eaves
Lateral wall and separating mechanism staving inner sidewall between thrust spring is set, the bottom end of thrust spring is arranged in staving lid
On side, the top apical grafting of thrust spring is movable on the top end face of two valve nuts on thrust spring apical grafting annular protrusion eaves
Barrel support is set, and barrel support is actively socketed in the upper lumen of thrust bush, is arranged in the upper portion side wall of support tube limited
Position steel ball is embedded in through-hole, is provided with limit steel ball limit on the upper end inner sidewall of the thrust bush on the outside of limit steel ball insertion through-hole
Position annular groove, is movably set with limiting piston, between the bottom surface of limiting piston and the bucket bottom of barrel support in barrel support
Support spring is set, and activity insertion limit steel ball, the inner end apical grafting for limiting steel ball are limiting in limit steel ball insertion through-hole
On the lateral wall of piston, the outboard end apical grafting of steel ball is limited in limit steel-ball limiting outer annular groove, on limit steel ball
It is provided with steel-ball limiting on the lateral wall of the limiting piston of side and releases inner annular groove, is arranged on the upper top surface of limiting piston
There is piston to drive cylinder shape groove, powder column is set in piston driving cylinder shape groove, memorial alloy is socketed on powder column and is stretched
Spring is opened, the lower end apical grafting of memorial alloy tension spring recalls alloy and uphold bullet in the groove bottom of piston driving cylinder shape groove
The upper end apical grafting of spring is on the medial surface of the upper end of separating mechanism staving bucket bottom, on the lateral surface of the upper end of separating mechanism staving bucket bottom
It is provided with powder column to ignite seat, the powder column seat that ignites is electrically connected with powder column;
Second step, the seat that ignited by powder column light powder column, recall after alloy tension spring is heated and uphold, and push limiting piston
It moves down, limiting piston is pushed to compress support spring, move down into limit when the steel-ball limiting on limiting piston releases annular groove
When the inner end of position steel ball, the inner end apical grafting for limiting steel ball is released from, and limit steel ball enters steel-ball limiting and releases outer side ring
In connected in star, the outboard end for limiting steel ball is detached from from limit steel-ball limiting outer annular groove, makes to limit steel ball to thrust sleeve
The limit that cylinder moves up is released from, and thrust bush moves up under the promotion of thrust spring;
Third step, moving up with thrust bush, nut limit annular convex platform enter nut limit and release annular
In groove, the inner sidewall of thrust bush is released from the limit of two valve nuts, and two valve nuts to the left and right open by two sides, keeps separation de-
It falls shank of bolt to be detached from downwards from two valve nuts, realizes the separation for isolating and falling off shank of bolt Yu separating mechanism staving;
When the 4th step, second of utilization, the staving lid of separating mechanism staving is dismantled, is stretched in the cooling memorial alloy retracted
Reload new powder column in spring, be reloaded into it is new isolate and fall off shank of bolt, make to limit steel ball and reset to the upper of support tube
In the limit steel ball insertion through-hole being arranged on portion's side wall, and move down thrust bush simultaneously, again by nut limit annular convex platform
It is restored to the top that nut limit releases annular groove, so that two valve nuts and the new shank of bolt that isolates and falls off is spirally connected holdings, realization
The recycling of separating mechanism staving.
The present invention releases limit using febrifacient fever activation memory alloy spring and realizes separation solution under pretightning force effect
De-, device is reduced thrust spring compressing force by steel ball structure step by step, is released in the case where memory alloy spring is acted on by heat stretch
Biggish spring compression force is converted lesser memory alloy spring expansion force by steel-ball limiting;It is designed using buffer spring, it can
To guarantee that structure will not malfunction under vibration environment condition, reliability is improved;It, can using dividing valve nut to carry out pretightning force conversion
To reduce contact stress concentration;Structure is simple, is easily installed, dismantles, and repeats and recycles.
Detailed description of the invention
Fig. 1 is mechanical structure schematic diagram of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of reusable mechanical separation mechanism, including inverted separating mechanism staving 1, in separating mechanism staving 1
Lower port on be fixedly installed staving lid 2, the center of staving lid 2 is provided with central through hole 4, isolate and fall off shank of bolt 3 from
It wears down and is connect in central through hole 4 upwards, is bolted with penetrating into the top for isolating and falling off shank of bolt 3 in separating mechanism staving 1
Two valve nuts 5 are provided with nut limit annular convex platform 6, on the lateral wall of two valve nuts 5 on the lateral wall of two valve nuts 5
Movable sleeve is connected to thrust bush 7, is provided with nut limit on the inner sidewall of the thrust bush 7 below nut limit annular convex platform 6
Position releases annular groove 8, and thrust bush 7 is movably arranged on middle and lower part in separating mechanism staving 1, in the outer of thrust bush 7
Side wall top is provided with thrust spring apical grafting annular protrusion eaves 9, the thrust bush below thrust spring apical grafting annular protrusion eaves 9
Thrust spring 10 is provided between 7 lateral wall and the inner sidewall of separating mechanism staving 1, the bottom end of thrust spring 10 is arranged in bucket
On the medial surface of body lid 2, the top apical grafting of thrust spring 10 is on thrust spring apical grafting annular protrusion eaves 9, in two valve nuts 5
Barrel support 13 is movably set on top end face, barrel support 13 is actively socketed in the upper lumen of thrust bush 7, in support tube 13
Upper portion side wall on be provided with limit steel ball insertion through-hole 21, limit steel ball insertion through-hole 21 outside thrust bush 7 it is upper
It is provided with limit steel-ball limiting annular groove 11 on the inner sidewall of end, limiting piston 15 is movably set in barrel support 13, is being limited
It is provided with support spring 14 between the bottom surface of position piston 15 and the bucket bottom of barrel support 13, it is living in limit steel ball insertion through-hole 21
It is dynamic to be embedded with limit steel ball 12, the inner end apical grafting of steel ball 12 is limited on the lateral wall of limiting piston 15, limit steel ball 12
Outboard end apical grafting is set on the lateral wall of the limiting piston 15 above limit steel ball 12 in limit steel-ball limiting annular groove 11
It is equipped with steel-ball limiting and releases annular groove 16, piston driving cylinder shape groove 17 is provided on the upper top surface of limiting piston 15,
It is provided with powder column 19 in piston driving cylinder shape groove 17, memorial alloy tension spring 18 is socketed on powder column 19, is remembered
The lower end apical grafting of alloy tension spring 18 recalls the upper of alloy tension spring 18 in the groove bottom of piston driving cylinder shape groove 17
It holds apical grafting on the medial surface of the upper end of separating mechanism staving 1 bucket bottom, is arranged on the lateral surface of the upper end of separating mechanism staving 1 bucket bottom
There is powder column to ignite seat 20, the powder column seat 20 that ignites is electrically connected with powder column 19;Two valve nuts 5 with isolate and fall off shank of bolt 3
It is spirally connected being abutted against instead of the routine between two limit bodies, improves the reliability of connection of two choristas before limit releases,
Device is reduced thrust spring compressing force by steel ball structure step by step, releases steel ball in the case where memory alloy spring is acted on by heat stretch
Limit, converts lesser memory alloy spring expansion force for biggish spring compression force, also overcomes mechanical position limitation control solution
Except power defect bigger than normal.
Sealing ring 22 is provided between the central through hole 4 on shank of bolt 3 and staving lid 2 isolating and falling off.
A kind of separation method of reusable mechanical separation mechanism, comprising the following steps:
Staving lid 2 is fixedly installed in the first step in the lower port of separating mechanism staving 1, in the center setting of staving lid 2
Heart through-hole 4, isolates and falls off shank of bolt 3 and wears from bottom to top and connect in central through hole 4, in point penetrated into separating mechanism staving 1
Top from the shank of bolt 3 that falls off is spirally connected two valve nuts 5, and nut limit annular convex platform is provided on the lateral wall of two valve nuts 5
6, the pivot bush unit thrust bush 7 on the lateral wall of two valve nuts 5 limits the thrust bush 7 below annular convex platform 6 in nut
Be provided with nut limit on inner sidewall and release annular groove 8, thrust bush 7 be in being movably arranged in separating mechanism staving 1 under
Portion, the lateral wall top of thrust bush 7 is provided with thrust spring apical grafting annular protrusion eaves 9, in thrust spring apical grafting annular
Thrust spring 10, thrust are set between the lateral wall of thrust bush 7 and the inner sidewall of separating mechanism staving 1 of raised 9 lower section of eaves
The bottom end of spring 10 is arranged on the medial surface of staving lid 2, and the top apical grafting of thrust spring 10 is in thrust spring apical grafting convex annular
It rises on eaves 9, activity setting barrel support 13, barrel support 13 are actively socketed on the upper of thrust bush 7 on the top end face of two valve nuts 5
In portion inner cavity, it is provided with limit steel ball insertion through-hole 21 in the upper portion side wall of support tube 13, is embedded in through-hole 21 in limit steel ball
Limit steel-ball limiting annular groove 11 is provided on the upper end inner sidewall of the thrust bush 7 in outside, activity is set in barrel support 13
It is equipped with limiting piston 15, support spring 14 is set between the bottom surface of limiting piston 15 and the bucket bottom of barrel support 13, is being limited
Steel ball is embedded in activity insertion limit steel ball 12 in through-hole 21, limits lateral wall of the inner end apical grafting in limiting piston 15 of steel ball 12
On, limit limit of the outboard end apical grafting of steel ball 12 in limit steel-ball limiting outer annular groove 11, above limit steel ball 12
Steel-ball limiting is provided on the lateral wall of position piston 15 and releases inner annular groove 16, is arranged on the upper top surface of limiting piston 15
There is piston to drive cylinder shape groove 17, powder column 19 is set in piston driving cylinder shape groove 17, note is socketed on powder column 19
Recall alloy tension spring 18, the lower end apical grafting of memorial alloy tension spring 18 drives the groove bottom of cylinder shape groove 17 in piston
On, the upper end apical grafting of alloy tension spring 18 is recalled on the medial surface of the upper end of separating mechanism staving 1 bucket bottom, in separating mechanism staving
It is provided with powder column on 1 upper end bucket bottom lateral surface to ignite seat 20, the powder column seat 20 that ignites is electrically connected with powder column 19;
Second step, the seat 20 that ignited by powder column light powder column 19, recall after alloy tension spring 18 is heated and uphold, and push limit
Position piston 15 moves down, and pushes limiting piston 15 to compress support spring 14, when the steel-ball limiting solution division ring on limiting piston 15
Connected in star 16 move down into limit steel ball 12 inner end when, limit steel ball 12 inner end apical grafting be released from, limit steel ball 12 into
Enter to steel-ball limiting release inner annular groove 16 in, limit steel ball 12 outboard end from limit steel-ball limiting outer annular groove
It is detached from 11, the limit for moving up limit steel ball 12 to thrust bush 7 is released from, and thrust bush 7 is in thrust spring 10
It is moved up under promotion;
Third step, moving up with thrust bush 7, nut limit annular convex platform 6 enter nut limit solution division ring
In connected in star 8, the inner sidewall of thrust bush 7 is released from the limit of two valve nuts 5, and two valve nuts 5 to the left and right open by two sides, makes
It isolates and falls off shank of bolt 3 to be detached from downwards from two valve nuts 5, realizes point for isolating and falling off shank of bolt 3 and separating mechanism staving 1
From;
When the 4th step, second of utilization, the staving lid 2 of separating mechanism staving 1 is dismantled, in the cooling memorial alloy retracted
New powder column 19 is reloaded in tension spring 18, be reloaded into it is new isolate and fall off shank of bolt 3, make to limit steel ball 12 and reset to branch
It supports in the limit steel ball insertion through-hole 21 being arranged in the upper portion side wall of cylinder 13, and simultaneously moves down thrust bush 7, nut is limited
Annular convex platform 6 is restored to the top that nut limit releases annular groove 8, and two valve nuts 5 is made to isolate and fall off bolt with new
Bar 3 is spirally connected holding, realizes the recycling of separating mechanism staving 1.
Claims (2)
1. a kind of reusable mechanical separation mechanism, including inverted separating mechanism staving (1), in separating mechanism staving
(1) it is fixedly installed staving lid (2) in lower port, the center of staving lid (2) is provided with central through hole (4), isolates and falls off
Shank of bolt (3) is worn from bottom to top to be connect in central through hole (4), which is characterized in that in point penetrated into separating mechanism staving (1)
Top from the shank of bolt that falls off (3) is bolted with two valve nuts (5), and nut limit is provided on the lateral wall of two valve nuts (5)
Annular convex platform (6), movable sleeve is connected to thrust bush (7) on the lateral wall of two valve nuts (5), limits annular convex platform in nut
(6) it is provided with nut limit on the inner sidewall of the thrust bush (7) below and releases annular groove (8), thrust bush (7) is activity
It is arranged in separating mechanism staving (1) interior middle and lower part, the lateral wall top of thrust bush (7) is provided with thrust spring apical grafting ring
Shape protrusion eaves (9), the lateral wall and separating mechanism bucket of the thrust bush (7) below thrust spring apical grafting annular protrusion eaves (9)
It is provided between the inner sidewall of body (1) thrust spring (10), the medial surface in staving lid (2) is arranged in the bottom end of thrust spring (10)
On, the top apical grafting of thrust spring (10) is on thrust spring apical grafting annular protrusion eaves (9), in the top end face of two valve nuts (5)
On be movably set with barrel support (13), barrel support (13) is actively socketed in the upper lumen of thrust bush (7), in barrel support
(13) limit steel ball insertion through-hole (21) is provided in upper portion side wall, the thrust sleeve on the outside of limit steel ball insertion through-hole (21)
It is provided with limit steel-ball limiting annular groove (11) on the upper end inner sidewall of cylinder (7), is movably set with limit in barrel support (13)
Position piston (15), is provided with support spring (14) between the bottom surface of limiting piston (15) and the bucket bottom of barrel support (13),
Activity is embedded with limit steel ball (12) in limit steel ball insertion through-hole (21), and the inner end apical grafting for limiting steel ball (12) is lived in limit
On the lateral wall for filling in (15), the outboard end apical grafting of steel ball (12) is limited in limit steel-ball limiting annular groove (11), is being limited
It is provided with steel-ball limiting on the lateral wall of limiting piston (15) above steel ball (12) and releases annular groove (16), in limiting piston
(15) it is provided with piston driving cylinder shape groove (17) on upper top surface, is provided with medicine in piston driving cylinder shape groove (17)
Column (19) is socketed with memorial alloy tension spring (18) on powder column (19), the lower end apical grafting of memorial alloy tension spring (18)
In the groove bottom of piston driving cylinder shape groove (17), the upper end apical grafting of memorial alloy tension spring (18) is in separating mechanism bucket
On the upper end bucket bottom medial surface of body (1), it is provided with powder column on the lateral surface of the upper end of separating mechanism staving (1) bucket bottom and ignites seat
(20), the powder column seat (20) that ignites is electrically connected with powder column (19).
2. a kind of reusable mechanical separation mechanism according to claim 1, which is characterized in that isolating and falling off spiral shell
Sealing ring (22) are provided between central through hole (4) on tightening latch (3) and staving lid (2).
Priority Applications (1)
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CN201822107540.6U CN209321202U (en) | 2018-12-16 | 2018-12-16 | Reusable mechanical separation mechanism |
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CN201822107540.6U CN209321202U (en) | 2018-12-16 | 2018-12-16 | Reusable mechanical separation mechanism |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111806732A (en) * | 2020-06-30 | 2020-10-23 | 哈尔滨工业大学 | Split nut type compression and release device actuated by hot knife |
-
2018
- 2018-12-16 CN CN201822107540.6U patent/CN209321202U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111806732A (en) * | 2020-06-30 | 2020-10-23 | 哈尔滨工业大学 | Split nut type compression and release device actuated by hot knife |
CN111806732B (en) * | 2020-06-30 | 2021-12-07 | 哈尔滨工业大学 | Split nut type compression and release device actuated by hot knife |
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