CN108645282A - A kind of hot melt alloy constraint formula demolition set - Google Patents
A kind of hot melt alloy constraint formula demolition set Download PDFInfo
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- CN108645282A CN108645282A CN201810436200.XA CN201810436200A CN108645282A CN 108645282 A CN108645282 A CN 108645282A CN 201810436200 A CN201810436200 A CN 201810436200A CN 108645282 A CN108645282 A CN 108645282A
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- electric cap
- shell
- detonation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
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Abstract
A kind of hot melt alloy constraint formula demolition set, belongs to blasting technique field.The present invention includes detonation transmission part, hot melt alloy actuator, driving spring, steel ball, status switch, electric cap, detonation component, ontology, pressure spiral shell, big pressure spiral shell and screw.Usually detonation transmission part is locked in the position far from electric cap by two hot melt alloy actuator, while status switch carries out short-circuit protection to electric cap and plays state-indicating function, and will not detonate detonation transmission part electric cap accidental action；After heating alloy actuator energization action; release the locking to detonation transmission part; driving spring driving detonation transmission part is moved to electric cap to positive status; status switch is converted and releases the short-circuit protection to electric cap; after any electric cap all the way acts on; can detonate detonation transmission part, detonation transmission part and then the detonation component that detonates.The present invention has many advantages, such as remote controlled, safe, reliable effect, state instruction.
Description
Technical field
The invention belongs to blasting technique field, more particularly to a kind of hot melt alloy constrains formula demolition set.
Background technology
With the fast development of blasting technique, building explosion, the tasks such as dangerous material ignition tend to diversification and complicate, more
Need to have the characteristics that remote controlled, reliable effect, safe come more demolition sets.
Current explosion initiation ends generally use electric cap or Nonel detonator detonate, using Nonel detonator or electricity
Detonator is generally susceptible to the interference of electrostatic, radio frequency electrical and stray electrical current as initiation ends, is easy to cause early quick-fried accident, deposit
In larger security risk.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of hot melt alloy constraint formula explosion dress
It sets, which is locked in the position far from electric cap using hot melt alloy actuator as constraint mechanism, by detonation transmission part,
Status switch carries out short-circuit protection to electric cap and plays state-indicating function simultaneously, will not be risen electric cap accidental action
Quick-fried detonation transmission part has many advantages, such as remote controlled, safe, reliable effect, state instruction.
A kind of hot melt alloy of the present invention constrains formula demolition set, which is characterized in that makees including detonation transmission part, hot melt alloy
Dynamic device, driving spring, steel ball, status switch, electric cap, detonation component, ontology, pressure spiral shell, big pressure spiral shell and screw；
The detonation transmission part is made of shell, booster gains and aluminium foil, and wherein shell is a stepped cylindrical body, one end tool
There are blind hole, booster gains to be placed in the blind hole, there is an equally distributed circle of circle around the corresponding excircle position of the blind hole of shell
Connected in star, the setting of circular groove reduce the intensity of shell, and when ensure that detonation transmission part movement in place, electric cap reliably rushes
The obstruction of broken shell, detonate booster gains, and the middle part of shell has a conical socket, the angle of lower inclined plane composition on the conical socket
It is 90 °~150 °, so set, after ensure that hot melt alloy actuator effect, steel ball reliably releases the locking to detonation transmission part,
There is the other end of shell cylinder, the setting of the cylinder to play the guiding role to driving spring, and aluminium foil is 0.2mm~0.5mm
Thickness, gluing are attached on shell, so set, when ensure that detonation transmission part is locked, even if electric cap accidental action, due to aluminium
The presence of foil, the detonation pressure that the chamber that electric cap is constituted in detonation transmission part bottom and ontology is formed will not ignite booster explosive
Column；
The hot melt alloy actuator is by fusible alloy block, PTC ceramics fever tablet, axis pin, spring, shell and small pressure spiral shell structure
At PTC ceramics fever tablet center of circle near zone is uniform-distribution with through-hole, the area of the lower end and shell encirclement of PTC ceramics fever tablet
Domain tool is there are one vessel, and usually fusible alloy block limits axis pin, spring and axis pin is limited in original state, at spring
In compressive state, after PTC ceramics fever tablet, which is powered, is heated, in heat transfer to fusible alloy block, fusible alloy block is heated
Change, liquid is become from solid, the appearance of the shell of PTC ceramics fever tablet lower end is flowed into along the through-hole in PTC ceramics fever tablet
Intracavitary, fusible alloy block release the limitation to axis pin, and the spring driving bearing pin in compressive state moves, and reaches hot melt alloy
Axis pin outside actuator pulls out back, and hot melt alloy actuator is fixed on the body by two screws；
The driving spring is placed between detonation transmission part and status switch, is usually in compressive state, the presence of spring is driven to protect
State after having demonstrate,proved the reliable movement of detonation transmission part and capable of being locked in detonation transmission part in place, it is ensured that electric cap energy reliable initiation passes
Quick-fried component, while detonation transmission part energy reliable initiation detonation component；
The status switch is made of pin, spring, power connecting sheet, contact, switch base, contact base, shell and clamp, is passed through
Two screws are fixed on the body, and contact is placed in the corresponding aperture of contact base, and power connecting sheet is the beryllium bronze band bending of thickness 0.2mm
Form, power connecting sheet upper end and right side are plane, and lower end is an arc transition, and left side has a circular arc at angle of inclination, left side with
The angle on right side is 20 °~40 °, and power connecting sheet is placed in the both sides square groove of switch base, and the length of power connecting sheet is more than two neighboring touch
The distance of head and the distance for being less than three contacts, the outer wall distance that power connecting sheet stretches out switch base is 0.1mm~0.2mm, with contact
Interference contact, status switch are placed on detonation transmission part, and when original state, spring is in compressive state, two of contact base upper end
Contact is contacted with power connecting sheet, and the lead of this two contacts is connect with electric cap respectively, and electric cap is made to be in short-circuit protection state；
The contact of contact and lower end among contact base constitutes the another way of switch, and the lead of two contacts is connect with control terminal, works as biography
When quick-fried component constraint relief movement, spring pushes pin and switch base to move downward, and the contact and power connecting sheet of the top are detached from, this
The circuit that the contact of Shi Shangduan is constituted with intermediate contact with electric cap becomes open circuit from short circuit, cancels and is protected to the short circuit of electric cap
Shield, after switch base movement in place, the lowermost contact is contacted with power connecting sheet, and the circuit being connect with control terminal becomes short from open circuit
Road；
The electric cap is placed in the corresponding aperture of ontology both sides, and pressure spiral shell is used in combination to compress in place, and the lead-out wire of electric cap is from pressure
Spiral shell middle through-hole is drawn；
The detonation component is made of primary explosive column, medicine seat, protection pad and paper washer, and medicine seat is pyramidal structure, and inside has circle
Hole and bellmouth, primary explosive column are placed in circular hole and bellmouth inside medicine seat, and protection pad is the aluminium foil of 0.3mm~0.5mm thickness, glue
Stickup is attached on medicine seat, and medicine seat outer end cylindrical section has screw thread, will detonate component fixation on the body by the screw thread.
Working principle of the present invention is as follows：
Usually, alloy actuator and steel ball are heated and detonation transmission part is locked in the reset condition far from electric cap, state is opened
The circuit for shutting the short-circuit condition of two contacts composition at end, is separately connected electric cap, electric cap is made to be in short-circuit protection state,
On the one hand, even if electrostatic or mis-ignition, electric cap will not accidental action；On the other hand, even if if electric cap accidental action not
Detonation transmission part can be ignited；The another way for the switch that Interposer contact is constituted with the contact of lower end on status switch connects control terminal；When
After hot melt alloy actuator receives constraint relief instruction, hot melt alloy actuator action is released to steel ball and detonation transmission part
Constraint, detonation transmission part move to booster gains and electric cap pair in the case where the double reaction plus of driving spring and status switch pushes
Positive state, while the circuit that status switch makes electric cap be in short-circuit protection state becomes open circuit from short circuit, status switch connects
Connect the circuit of control terminal becomes short circuit from open circuit；After electric cap is connected to firing command again, detonation transmission part is ignited in electric cap effect,
Detonation transmission part ignites detonation component.
Beneficial effects of the present invention are embodied in：
A) using hot melt alloy actuator as constraint mechanism, detonation transmission part is locked in the position far from electric cap, together
When status switch electric cap is carried out short-circuit protection and to play state-indicating function, will not detonate electric cap accidental action
Detonation transmission part improves the safety of entire mechanism；
B) setting of status switch so that the state of entire mechanism can be with remote detection；
C) it uses steel ball as transmission mechanism, further decreases friction factor, while the work for improving entire mechanism can
By property；
D) setting of spring is driven, it is ensured that detonation transmission part reliable movement in place and can be positively locked in state in place, carry
The high Reliability of Microprocessor of entire mechanism；
E) two-way heats alloy actuator as constraint mechanism, and only two-way acts on, and could reliably release to propagation of explosion portion
The locking of part, improves safety, in addition, the design of two-way electric cap, any to act on all the way, it can reliable initiation propagation of explosion portion
Part improves the function reliability of mechanism.
Description of the drawings
Fig. 1 is that present invention hot melt alloy constrains formula demolition set explosive view；
Fig. 2 is that present invention hot melt alloy constrains formula demolition set original state structural schematic diagram；
Fig. 3 is that present invention hot melt alloy constrains formula demolition set work status architecture schematic diagram in place；
Fig. 4 is the detonation transmission part structural schematic diagram that present invention hot melt alloy constrains formula demolition set；
Fig. 5 is the shell structure schematic diagram that present invention hot melt alloy constrains formula demolition set；
Fig. 6 is the hot melt alloy actuator reset condition figure that present invention hot melt alloy constrains formula demolition set；
Fig. 7 is the hot melt alloy actuator state diagram in place that present invention hot melt alloy constrains formula demolition set；
Fig. 8 is the status switch explosive view that present invention hot melt alloy constrains formula demolition set；
Fig. 9 is the original installation condition structural schematic diagram of status switch that present invention hot melt alloy constrains formula demolition set；
Figure 10 is that the status switch of present invention hot melt alloy constraint formula demolition set converts status architecture schematic diagram in place；
Figure 11 is the detonation modular construction schematic diagram that present invention hot melt alloy constrains formula demolition set.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation
Example, invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.In addition, technical characteristic involved in the various embodiments of the present invention described below
It can be combined with each other as long as they do not conflict with each other.
A kind of hot melt alloy of the present invention constrains formula demolition set better embodiment, structure and component relationship such as Fig. 1, figure
Shown in 2 and Fig. 3, which is characterized in that including detonation transmission part 1, hot melt alloy actuator 2, driving spring 3, steel ball 4, status switch 5,
Electric cap 6, detonation component 7, ontology 8, pressure spiral shell 9, big pressure spiral shell 10 and screw 11；
The detonation transmission part 1 shell 1-1, booster gains 1-2 and aluminium foil 1-3 as shown in figure 4, be made of, wherein shell 1-1
As shown in figure 5, being a stepped cylindrical body, there is blind hole 1-1a, booster gains 1-2 to be placed in blind hole 1-1a for one end, surround
The corresponding excircle positions blind hole 1-1a of shell 1-1 have the middle part tool of a circle equally distributed circular groove 1-1c, shell 1-1
There is conical socket 1-1b, the angle that lower inclined plane forms on conical socket 1-1b is 90 °, and the other end of shell 1-1 has cylinder
1-1d, aluminium foil 1-3 are 0.5mm thick, and gluing is attached on shell 1-1；
The hot melt alloy actuator 2 is as shown in Figure 6 and Figure 7, by fusible alloy block 2-1, PTC ceramics fever tablet 2-2, pin
Axis 2-3, spring 2-4, shell 2-5 and small pressure spiral shell 2-6 are constituted, and the centers of circle PTC ceramics fever tablet 2-2 near zone is uniform-distribution with logical
Hole, the region tool that the lower end of PTC ceramics fever tablet 2-2 is surrounded with shell 2-5 is there are one vessel, usually 2-1 pairs of fusible alloy block
Axis pin 2-3 is limited, and spring 2-4 and axis pin 2-3 is limited in original state as shown in FIG. 6, spring 2-4 is in compression shape
State, after PTC ceramics fever tablet 2-2, which is powered, to be heated, in heat transfer to fusible alloy block 2-1, fusible alloy block 2-1 is heated
Change, liquid is become from solid, the shell of the lower ends PTC ceramics fever tablet 2-2 is flowed into along the through-hole on PTC ceramics fever tablet 2-2
In the vessel of body 2-5, fusible alloy block 2-1 releases the limitation to axis pin 2-3, is in the spring 2-4 driving bearing pins of compressive state
2-3 is moved, and the axis pin 2-3 for reaching 2 outside of hot melt alloy actuator is pulled out back, is moved to state as shown in Figure 7, is heated alloy
Actuator 2 is fixed on by two screws 11 on ontology 8；
The driving spring 3 is placed between detonation transmission part 1 and status switch 5, is usually in compressive state；
The status switch 5 as shown in Fig. 8, Fig. 9 and Figure 10, by pin 5-1, spring 5-2, power connecting sheet 5-3, contact 5-4,
Switch base 5-5, contact base 5-6, shell 5-7 and clamp 5-8 are constituted, and are fixed on ontology 8 by two screws 11, contact 5-4
It is placed in the corresponding aperture of contact base 5-6, power connecting sheet 5-3 is that the beryllium bronze band bending of thickness 0.2mm forms, the upper ends power connecting sheet 5-3
It is plane with right side, lower end is an arc transition, and left side has a circular arc at angle of inclination, and the angle on left side and right side is 30 °,
Power connecting sheet 5-3 is placed in the both sides square groove of switch base 5-5, the distance of the length of power connecting sheet 5-3 more than two neighboring contact 5-4 and
Less than the distance of three contact 5-4, the outer wall distance that power connecting sheet 5-3 stretches out switch base 5-5 is 0.15mm, with contact 5-4 interference
Contact, status switch 5 is placed on detonation transmission part 1, as shown in figure 9, spring 5-2 is in compressive state, contact base when original state
Two contact 5-4 of the upper ends 5-6 are contacted with power connecting sheet 5-3, the lead of this two contact 5-4 is connect with electric cap 6 respectively, is made
Electric cap 6 is in short-circuit protection state；The contact 5-4 of contact 5-4 and lower end among contact base 5-6 constitute the another of switch
The lead on road, two contact 5-4 is connect with control terminal, and when 1 constraint relief of detonation transmission part moves, spring 5-2 pushes pin 5-1
It is moved downward with switch base 5-5, the contact 5-4 and power connecting sheet 5-3 of the top are detached from, at this time the contact 5-4 of upper end and centre
The circuit that contact 5-4 is constituted with electric cap 6 becomes open circuit from short circuit, cancels the short-circuit protection to electric cap 6, switch base 5-5 fortune
After moving in place, the lowermost contact 5-4 is contacted with power connecting sheet 5-3, and the state after the movement in place of status switch 5 is as shown in Figure 10,
At this point, the circuit that status switch 5 is connect with control terminal becomes short circuit from open circuit；
The electric cap 6 is placed in the corresponding aperture of 8 both sides of ontology, is used in combination pressure spiral shell 9 to compress in place, the lead-out wire of electric cap 6
It is drawn from pressure 9 middle through-hole of spiral shell；
The detonation component 7 is as shown in figure 11, is made of primary explosive column 7-1, medicine seat 7-2, protection pad 7-3 and paper washer 7-4, medicine
Seat 7-2 is pyramidal structure, and there is circular hole and bellmouth, primary explosive column 7-1 to be placed in circular hole and bellmouth inside medicine seat 7-2 for inside
Interior, protection pad 7-3 is the aluminium foil of 0.5mm thickness, and gluing is attached on medicine seat 7-2, and the outer ends medicine seat 7-2 cylindrical section has screw thread, passes through
Detonation component 7 is fixed on ontology 8 by the screw thread.
Usually, detonation transmission part 1 is locked in the reset condition far from electric cap 6, shape by hot melt alloy actuator 2 and steel ball 4
The circuit for the short-circuit condition that two contact 5-4 of 5 upper end of state switch are constituted, is separately connected electric cap 6, and electric cap 6 is made to be in short
Road guard mode, on the one hand, even if electrostatic or mis-ignition, electric cap 6 will not accidental action；On the other hand, even if electric cap 6
Accidental action will not ignite detonation transmission part 1；The switch that Interposer contact 5-4 and the contact 5-4 of lower end are constituted on status switch 5
Another way connect control terminal；After hot melt alloy actuator 2 receives constraint relief instruction, hot melt alloy actuator 2 is pulled out back,
The constraint to steel ball 4 and detonation transmission part 1 is released, detonation transmission part 1 is pushed in the double reaction plus of driving spring 3 and status switch 5
Under, booster gains 1-2 is moved to electric cap 6 to positive state, while status switch 5 makes electric cap 6 be in short-circuit protection shape
The circuit of state becomes open circuit from short circuit, and the circuit that status switch 5 connects control terminal becomes short circuit from open circuit；Electric cap 6 is connected to again
After firing command, electric cap 6 acts on, and ignites detonation transmission part 1, and detonation transmission part 1 ignites detonation component 7.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of hot melt alloy constrains formula demolition set, which is characterized in that including detonation transmission part (1), hot melt alloy actuator
(2), driving spring (3), steel ball (4), status switch (5), electric cap (6), detonation component (7), ontology (8), pressure spiral shell (9), big pressure
Spiral shell (10) and screw (11)；
The detonation transmission part (1) is made of shell (1-1), booster gains (1-2) and aluminium foil (1-3), and wherein shell (1-1) is one
Stepped cylindrical body, there is blind hole (1-1a), booster gains (1-2) to be placed in the blind hole (1-1a) for one end, around shell (1-1)
The corresponding excircle position of blind hole (1-1a) there is an equally distributed circular groove (1-1c) of circle, the middle part tool of shell (1-1)
Have conical socket (1-1b), on the conical socket (1-1b) lower inclined plane form angle be 90 °~150 °, shell (1-1) it is another
It is 0.2mm~0.5mm thick that one end, which has cylinder (1-1d), aluminium foil (1-3), and gluing is attached on shell (1-1)；
The hot melt alloy actuator (2) is by fusible alloy block (2-1), PTC ceramics fever tablet (2-2), axis pin (2-3), spring
(2-4), shell (2-5) and small pressure spiral shell (2-6) are constituted, and the center of circle PTC ceramics fever tablet (2-2) near zone is uniform-distribution with logical
Hole, the region tool that the lower end of PTC ceramics fever tablet (2-2) is surrounded with shell (2-5) is there are one vessel, usually fusible alloy block
(2-1) limits axis pin (2-3), spring (2-4) and axis pin (2-3) is limited in original state, spring (2-4) is in pressure
Contracting state, after PTC ceramics fever tablet (2-2), which is powered, is heated, in heat transfer to fusible alloy block (2-1), fusible alloy block
(2-1) melted by heat, becomes liquid from solid, and PTC ceramics fever is flowed into along the through-hole in PTC ceramics fever tablet (2-2)
In the vessel of the shell (2-5) of the lower end piece (2-2), fusible alloy block (2-1) releases the limitation to axis pin (2-3), in compression
Spring (2-4) driving bearing pin (2-3) of state moves, and reaches the axis pin (2-3) outside hot melt alloy actuator (2) and pulls out back,
Hot melt alloy actuator (2) is fixed on by two screws (11) on ontology (8)；
The driving spring (3) is placed between detonation transmission part (1) and status switch (5), is usually in compressive state；
The status switch (5) by pin (5-1), spring (5-2), power connecting sheet (5-3), contact (5-4), switch base (5-5), touch
Headstock (5-6), shell (5-7) and clamp (5-8) are constituted, and are fixed on ontology (8) by two screws (11), contact (5-4)
It is placed in the corresponding aperture of contact base (5-6), power connecting sheet (5-3) is that the beryllium bronze band bending of thickness 0.2mm forms, power connecting sheet (5-
3) upper end and right side are plane, and lower end is an arc transition, and left side has the circular arc at angle of inclination, the angle in left side and right side
It it is 20 °~40 °, power connecting sheet (5-3) is placed in the both sides square groove of switch base (5-5), and the length of power connecting sheet (5-3) is more than adjacent two
The distance of a contact (5-4) and less than three contacts (5-4) distance, power connecting sheet (5-3) stretch out switch base (5-5) outer wall away from
From for 0.1mm~0.2mm, with contact (5-4) Interference contact, status switch (5) is placed on detonation transmission part (1), when original state,
Spring (5-2) is in compressive state, and two contacts (5-4) of the upper end contact base (5-6) contact with power connecting sheet (5-3), this two
The lead of a contact (5-4) is connect with electric cap (6) respectively, and electric cap (6) is made to be in short-circuit protection state；Contact base (5-6)
Intermediate contact (5-4) constitutes the another way of switch, the lead and control terminal of two contacts (5-4) with the contact (5-4) of lower end
Connection, when detonation transmission part (1) constraint relief moves, spring (5-2) pushes pin (5-1) and switch base (5-5) to move downward,
The contact (5-4) of the top is detached from power connecting sheet (5-3), at this time the contact (5-4) of upper end and intermediate contact (5-4) and electric thunder
The circuit that pipe (6) is constituted becomes open circuit from short circuit, cancels the short-circuit protection to electric cap (6), and switch base (5-5) moves in place
Afterwards, the lowermost contact (5-4) is contacted with power connecting sheet (5-3), and the circuit being connect with control terminal becomes short circuit from open circuit；
The electric cap (6) is placed in the corresponding aperture of ontology (8) both sides, is used in combination pressure spiral shell (9) to compress in place, electric cap (6) draw
Outlet is drawn from pressure spiral shell (9) middle through-hole；
The detonation component (7) is made of primary explosive column (7-1), medicine seat (7-2), protection pad (7-3) and paper washer (7-4), medicine seat (7-
2) it is pyramidal structure, there is circular hole and bellmouth, primary explosive column (7-1) to be placed in the internal circular hole of medicine seat (7-2) and taper for inside
In hole, protection pad (7-3) is the aluminium foil of 0.3mm~0.5mm thickness, and gluing is attached on medicine seat (7-2), the outer end medicine seat (7-2) cylinder
Section has screw thread, and detonation component (7) is fixed on ontology (8) by the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436200.XA CN108645282A (en) | 2018-05-09 | 2018-05-09 | A kind of hot melt alloy constraint formula demolition set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436200.XA CN108645282A (en) | 2018-05-09 | 2018-05-09 | A kind of hot melt alloy constraint formula demolition set |
Publications (1)
| Publication Number | Publication Date |
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| CN108645282A true CN108645282A (en) | 2018-10-12 |
Family
ID=63749704
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810436200.XA Withdrawn CN108645282A (en) | 2018-05-09 | 2018-05-09 | A kind of hot melt alloy constraint formula demolition set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116630A (en) * | 2021-04-19 | 2021-07-16 | 高铎 | Traditional chinese and western medicine combines internal medicine massage area |
-
2018
- 2018-05-09 CN CN201810436200.XA patent/CN108645282A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116630A (en) * | 2021-04-19 | 2021-07-16 | 高铎 | Traditional chinese and western medicine combines internal medicine massage area |
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Application publication date: 20181012 |
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| WW01 | Invention patent application withdrawn after publication |