CN107976127B - Overload insurance institution in the low recoil of sequence ball partition-type - Google Patents
Overload insurance institution in the low recoil of sequence ball partition-type Download PDFInfo
- Publication number
- CN107976127B CN107976127B CN201610936086.8A CN201610936086A CN107976127B CN 107976127 B CN107976127 B CN 107976127B CN 201610936086 A CN201610936086 A CN 201610936086A CN 107976127 B CN107976127 B CN 107976127B
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- China
- Prior art keywords
- channel
- spring
- ontology
- spacing block
- ball
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/24—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
Abstract
The invention discloses a kind of low recoil drag structures of sequence ball partition-type, under the effect of low launching over loading, spacing block is smaller by inertia force, and second spring deflection is also smaller, insuring ball can be by the through-hole on spacing block under the thrust that recoil is formed, and then can make bumper bar arming；Under the big overload effect of dropping shock, spacing block is larger by inertia force, and second spring deformation is also larger, and spacing block, which moves down, causes its through-hole to move down, and spacing block blocks insurance ball movement, and then guarantees reliable insurance.The configuration of the present invention is simple, occupied space is smaller, and maximum outer dimension is long 14 mm × wide 9 mm × high 21 mm, has mechanical flexibility and marginal testing function, can identify 4gExtremely low launching over loading environment, and can reliably insure when fuse drops to hard goal, soft object with any angle.
Description
Technical field
The present invention relates to fuse fields, and in particular to a kind of low recoil drag of sequence ball partition-type.
Background technique
During mining, frequently with the method for explosion.Used rocket projectile has safe and reliable fuze mechanism
It is directly related to the life security of miner.Using blasting cap and starting paper big gun as ignition fuse when adopting mine rocket projectile in the past,
In the presence of not easy to install, moisture-sensitive, the disadvantages of sensibility is poor, poor safety performance.Chinese patent 94219958.8 and 02246531.6
In the fuse of mine rocket projectile is improved, mainly solve the problems, such as the self-destruction of fuse.But rocket fuse is protected
Danger and the research of arming device are insufficient.
Mine rocket projectile flying speed is low, and does not rotate, and fuse recoil environment is that the design of its insurance institution is optional main
Environment, other insurance institution's reliabilities except recoil drag are more difficult to improve, therefore, the safety of recoil drag
Reliability is particularly important.
Traditional fuse mainly uses double freedom insurance institution, tortuous slot insurance institution and clock safety device to solve this
Problem.Tortuous slot insurance institution domestic at present can recognize 100gLaunching over loading, double freedom insurance institution can reach same water
It is flat.Although clock safety device can recognize 2gLaunching over loading, but clock safety device mechanism structure is complicated, and higher cost accounts for
Larger with space, fatigue reliability is lower.Tortuous slot insurance institution can recognize 24 in U.S. army's fuse productgOverload, clock and watch insurance
Mechanism can recognize 4gOverload.There is not yet the country, which has, to identify 10 with non-clock and watch principlegThe guarantor of extremely low launching over loading environment below
Dangerous mechanism.
Summary of the invention
The purpose of the present invention is to provide a kind of low recoils of sequence ball partition-type to overload insurance institution, draws for mine rocket projectile
Letter or other low launching over loading fuses, it can be in low launching over loading (10gLower arming is acted below), in fuse with any
Can reliably it insure when angle drops to hard goal, soft object.
The technical solution for realizing the aim of the invention is as follows: a kind of low recoil drag of sequence ball partition-type, including gasket,
Second spring, ontology, bumper bar, annular cover plate, spacing block, sleeve, the first spring, washer and several insurance balls；On ontology
Successively parallel interval is equipped with vertical first passage, second channel and third channel, be additionally provided in ontology in the horizontal direction and with
The fourth lane that second channel vertically communicates；Wherein, first passage is extended downwardly from bodies top, second channel, third channel
It is upwardly extended from body bottom portion, the first spring is located in third channel, and the first spring bottom is equipped with washer, and top is cased with set
Cylinder；In second channel bottom, top is equipped with second spring for gasket setting, is equipped with spacing block at the top of second spring；Fourth lane
One end is connected to first passage bottom by curved channel transition, and the other end is connected at the top of third channel by arc-shaped transition
It is logical；Bumper bar one end is protruded at the top of first passage, and ring cover sleeve-board is embedded in ontology on bumper bar, for by bumper bar and
Ontology is fixed；Several are set in first passage, fourth lane and two arc-shaped channels below annular cover plate and insures ball.
Compared with prior art, the present invention its remarkable advantage is:
(1) structure is simple, and occupied space is smaller, is able to achieve mechanical flexibility and reliability by annular cover plate and bumper bar
Audit function.
(2) 4 can be identified by spacing blockgExtremely low launching over loading environment, and hard mesh can be dropped to any angle in fuse
Reliably insure when mark, soft object.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the low recoil drag of sequence ball partition-type of the present invention, wherein figure (a) is main view, figure
It (b) is the A-A cross-sectional view of figure (a), figure (c) is top view.
Fig. 2 is the spacing block structural schematic diagram of the low recoil drag of sequence ball partition-type of the present invention, wherein figure (a) is isolation
Block left view, figure (b) are spacing block main view.
Fig. 3 is the insurance ball stable state schematic diagram of the low recoil drag of sequence ball partition-type of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, a kind of low recoil drag of sequence ball partition-type of the present invention, including gasket 1, second spring 3,
Ontology 4, bumper bar 5, annular cover plate 6, spacing block 9, sleeve 10, the first spring 11, washer 12 and several insurance balls 8.Ontology 4
On successively parallel interval be equipped with vertical first passage, second channel and third channel, be additionally provided in ontology 4 in the horizontal direction and
The fourth lane communicated vertical with second channel.Wherein, first passage is extended downwardly from the top of ontology 4, and second channel, third are logical
Road is upwardly extended from 4 bottom of ontology, and second channel length is greater than third channel length.First spring 11 is located at third channel
Interior, 11 bottom of the first spring is equipped with washer 12, and top is cased with sleeve 10.The setting of gasket 1 is equipped in second channel bottom, top
Second spring 3 is equipped with spacing block 9 at the top of second spring 3.Fourth lane one end and first passage bottom pass through curved channel transition
Connection, the other end are connected to at the top of third channel by arc-shaped transition.5 one end of bumper bar is protruded at the top of first passage, annular
6 sets of cover board on bumper bar 5, and are embedded in ontology 4, for bumper bar 5 and ontology 4 is fixed.The first of 6 lower section of annular cover plate is logical
Several are set in road, fourth lane and two arc-shaped channels and insures ball 8.
In conjunction with Fig. 2,9 bottom of spacing block is equipped with spring groove, and middle part is equipped with through-hole, and spring groove is covered in 3 top of second spring, energy
Second spring 3 is enough compressed, through-hole diameter is passed through not less than the diameter for insuring ball 8, insurance ball 8 from through-hole, original state
When, the through-hole is located in fourth lane.
The first passage, second channel, the central axes of third channel and fourth lane are coplanar.
The ontology 4 can be spliced by two symmetrical half ontologies.
Working principle:
5 end of bumper bar with it is contactless by safety piece, i.e., not by the through-hole by the counter-force effect of safety piece, on spacing block 9
In fourth lane.In low launching over loading (10gUnder acting below), inertia force suffered by spacing block 9 is smaller, and second spring 3 becomes
Shape amount is also smaller, and insuring ball 8 can be by logical on the spacing block 9 in fourth lane under the thrust that recoil is formed
Hole, and then compress the first spring 11, when 11 deflection of the first spring reaches certain value, 5 arming of bumper bar.Fall axially
Under the big overload effect of drop impact, inertia force suffered by spacing block 9 is larger, and the deformation of second spring 3 is also larger, and spacing block 9 moves down, and causes
Fourth lane is moved away under its through-hole and enters second channel, blocks the movement of insurance ball 8.The inertia force as suffered by insurance ball 8
Larger, spacing block 9 cannot prevent completely insurance ball 8 to roll, and finally have an insurance ball 8 and be stuck in second channel and third channel
Junction (such as Fig. 3), and the extruding by spacing block 9 reach stable state, and then prevent 5 arming of bumper bar.When falling
After impact acceleration disappears, spacing block 9 moves up under the action of 3 drag of second spring, restores to original state, sleeve 10 is first
Original state is also restored under 11 effect of elastic resistance of spring.
In conjunction with Fig. 1, under the big overload effect of lateral dropping shock, spacing block 9 is smaller by axial force, is not enough to stop to protect
Near miss 8 moves.2 insurance balls 8 of first passage bottom squeeze cell wall on the right side of it under inertia force effect, cannot move downward,
To guarantee safety reliability.After dropping shock, which overloads, to disappear, spacing block 9 moves up under the action of 3 drag of second spring, extensive
Again to original state, sleeve 10 is also restored to original state under 11 effect of elastic resistance of the first spring.
Embodiment 1
The low recoil drag of a kind of sequence ball partition-type combined with Figure 1 and Figure 2, outer dimension be long 14 mm × wide 9 mm ×
High 21 mm, including gasket (1), second spring (3), ontology (4), bumper bar (5), annular cover plate (6), spacing block (9), sleeve
(10), the first spring (11), washer (12) and seven insurance balls (8).Ontology (4) is spliced by two symmetrical half ontologies,
Pass through positioning pin (2) positioning, attachment screw (7) fastening.Successively parallel interval is equipped with vertical first passage, the on ontology (4)
Two channels and third channel are additionally provided in ontology (4) in the horizontal direction and the fourth lane communicated vertical with second channel.Its
In, first passage is extended downwardly from the top of ontology (4), and second channel, third channel are upwardly extended from ontology (4) bottom, the
Two passage lengths are greater than third channel length.First spring (11) is located in third channel, and the first spring (11) bottom is equipped with pad
It encloses (12), top is cased with sleeve (10).Gasket (1) setting is equipped with second spring (3) in second channel bottom, top, and second
Spacing block (9) are equipped at the top of spring (3).Fourth lane one end is connected to first passage bottom by curved channel transition, another
End is connected to at the top of third channel by arc-shaped transition.Bumper bar (5) one end is protruded at the top of first passage, annular cover plate (6)
It covers on bumper bar (5), and is embedded in ontology (4), for bumper bar (5) and ontology (4) is fixed.Below annular cover plate (6)
Seven insurance balls (8) are set in first passage, fourth lane and two arc-shaped channels.
Spacing block (9) bottom is equipped with spring groove, and middle part is equipped with through-hole, and spring groove is covered at the top of second spring (3), can be pressed
Contracting second spring (3), through-hole diameter are passed through not less than the diameter for insuring ball (8), insurance ball (8) from through-hole, initial shape
When state, the through-hole is located in fourth lane.
The first passage, second channel, the central axes of third channel and fourth lane are coplanar.
Claims (5)
1. a kind of low recoil drag of sequence ball partition-type, it is characterised in that: including gasket (1), second spring (3), ontology
(4), bumper bar (5), annular cover plate (6), spacing block (9), sleeve (10), the first spring (11), washer (12) and several guarantors
Near miss (8)；Successively parallel interval is equipped with vertical first passage, second channel and third channel on ontology (4), and ontology (4) is interior
It is additionally provided in the horizontal direction and the fourth lane communicated vertical with second channel；Wherein, first passage is downward from the top of ontology (4)
Extending, second channel, third channel are upwardly extended from ontology (4) bottom, and the first spring (11) is located in third channel, and first
Spring (11) bottom is equipped with washer (12), and top is cased with sleeve (10)；Gasket (1) setting is set in second channel bottom, top
Have second spring (3), is equipped with spacing block (9) at the top of second spring (3)；Fourth lane one end and first passage bottom pass through arc
Channel transition connection, the other end are connected to at the top of third channel by arc-shaped transition；First passage is protruded into bumper bar (5) one end
Top, annular cover plate (6) cover on bumper bar (5), and are embedded in ontology (4), for bumper bar (5) and ontology (4) is fixed；Ring
Several are set in first passage, fourth lane and two arc-shaped channels below shape cover board (6) and insures ball (8)；
Spacing block (9) bottom is equipped with spring groove, and middle part is equipped with through-hole, and spring groove covers at the top of the second spring (3), compression the
Two springs (3), insurance ball (8) is passed through from through-hole, and when original state, the through-hole is located in fourth lane.
2. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that: the through-hole diameter is not small
In the diameter for insuring ball (8).
3. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that: the first passage,
The central axes in two channels, third channel and fourth lane are coplanar.
4. the low recoil drag of sequence ball partition-type according to claim 1 or 3, it is characterised in that: the second channel
Length is greater than third channel length.
5. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that: the ontology (4) is by two
A symmetrical half ontology is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936086.8A CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936086.8A CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976127A CN107976127A (en) | 2018-05-01 |
| CN107976127B true CN107976127B (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610936086.8A Active CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739243B (en) * | 2022-03-28 | 2023-08-18 | 南京理工大学 | Fuse magnetic ball holding core recoil safety mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345336A1 (en) * | 1973-09-07 | 1975-03-20 | Olaf Reeh | Mine fuse with trip wires - has wires ends locked in release head to be freed on by striker bolt |
| US3921531A (en) * | 1974-05-10 | 1975-11-25 | Us Army | Double element setback lock |
| BE1005559A3 (en) * | 1991-02-14 | 1993-10-26 | Herstal Sa | Safety device, respectively time-delay, for projectile |
| CN105258579A (en) * | 2015-11-06 | 2016-01-20 | 南京理工大学 | Inclined recoil safety mechanism for fuse |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101378807B1 (en) * | 2012-04-12 | 2014-03-27 | 국방과학연구소 | Munition's safety and armimg device by using tungsten-carbide ball |
-
2016
- 2016-10-25 CN CN201610936086.8A patent/CN107976127B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345336A1 (en) * | 1973-09-07 | 1975-03-20 | Olaf Reeh | Mine fuse with trip wires - has wires ends locked in release head to be freed on by striker bolt |
| US3921531A (en) * | 1974-05-10 | 1975-11-25 | Us Army | Double element setback lock |
| BE1005559A3 (en) * | 1991-02-14 | 1993-10-26 | Herstal Sa | Safety device, respectively time-delay, for projectile |
| CN105258579A (en) * | 2015-11-06 | 2016-01-20 | 南京理工大学 | Inclined recoil safety mechanism for fuse |
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| Publication number | Publication date |
|---|---|
| CN107976127A (en) | 2018-05-01 |
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