CN113324442A - Integrated mechanical detonator and explosion valve cartridge drive - Google Patents
Integrated mechanical detonator and explosion valve cartridge drive Download PDFInfo
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- CN113324442A CN113324442A CN202110739663.5A CN202110739663A CN113324442A CN 113324442 A CN113324442 A CN 113324442A CN 202110739663 A CN202110739663 A CN 202110739663A CN 113324442 A CN113324442 A CN 113324442A
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- assembly
- firing pin
- chamber
- detonation
- integrated mechanical
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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
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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
- F42B3/14—Spark initiators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Automotive Seat Belt Assembly (AREA)
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Abstract
The present disclosure provides an integrated mechanical detonator and burst valve cartridge drive. The integrated mechanical initiator comprises a shell, a firing pin assembly, a detonation assembly and a pull ring; the first end of the shell is used for being connected with a driving device of a cartridge of the explosion valve; the firing pin assembly is movably disposed within the housing, the detonation assembly is disposed at a first end of the housing and is disposed opposite the firing pin assembly, and the detonation assembly is in communication with the main chamber of the burst valve cartridge drive; the pull ring is arranged in the shell and the firing pin assembly in a penetrating mode, and when the pull ring is pulled out, the firing pin assembly can move to be in contact with the detonation assembly, so that the detonation assembly detonates gunpowder in the blasting valve cartridge driving device. Under the working condition that the blasting valve remote current pause-sensing detonator can not be started due to reasons, personnel arrive at the site, and gunpowder is rapidly and mechanically detonated through manual operation, so that the high-reliability blasting machine has high reliability and the safety is improved.
Description
Technical Field
The utility model belongs to the technical field of initiating device, concretely relates to integral type mechanical detonator and explosion valve cartridge case drive arrangement.
Background
The blasting valve of PWR AP1000 introduction designs to adopt the insensitive electric initiator of long-range electric current percussion, and then detonates cartridge case powder to reach the blasting effect, open the blasting valve. However, in the design, if a line breaking point, a pressed line, poor contact of the lead of the electric detonator and an extreme accident occur, the possibility of incapability of blasting exists.
Disclosure of Invention
The present disclosure is directed to solving at least one of the problems of the prior art and provides an integrated mechanical initiator and burst valve cartridge drive.
In one aspect of the present disclosure, an integrated mechanical initiator is provided that includes a housing, a firing pin assembly, a detonation assembly, and a pull ring;
the first end of the shell is used for being connected with a driving device of a cartridge of the explosion valve;
the striker assembly is movably disposed within the housing,
the detonation assembly is arranged at the first end of the shell and is opposite to the firing pin assembly, and the detonation assembly is communicated with a main explosive chamber in the blasting valve cartridge driving device;
the pull ring is arranged in the shell and the firing pin assembly in a penetrating mode, and when the pull ring is pulled out, the firing pin assembly can move to be in contact with the detonation assembly, so that the detonation assembly detonates gunpowder in the blasting valve cartridge driving device.
In some embodiments, the initiation assembly comprises a body, a primer layer, a secondary chamber, and a gas chamber;
the body is arranged in the shell;
the primer layer is arranged on one side of the body facing the firing pin assembly;
the auxiliary explosive chamber and the gas chamber are both arranged in the body, and the auxiliary explosive chamber is respectively communicated with the gas chamber and the main explosive chamber.
In some embodiments, the gas chamber has a cross-sectional dimension that increases from a side away from the secondary chamber to a side adjacent the secondary chamber.
In some embodiments, a fire transfer hole is further arranged in the body, and the fire transfer hole is respectively communicated with the auxiliary explosive chamber and the gas chamber.
In some embodiments, the cross-sectional dimensions of the fire transfer ports increase sequentially from a side away from the secondary chamber to a side adjacent to the secondary chamber.
In some embodiments, the striker assembly includes a striker and a resilient member disposed around an exterior side of the striker, a first end of the resilient member coupled to the striker and a second end of the resilient member coupled to the second end of the housing.
In some embodiments, the resilient member is a compression spring.
In some embodiments, the first end peripheral wall of the housing is provided with a connection external thread, and the burst valve cartridge drive device is provided with a connection internal thread, which is screwed with the connection internal thread.
In another aspect of the present disclosure, there is provided a burst valve cartridge drive device comprising at least one tommy induction detonator and at least one integrated mechanical detonator as described above.
This disclosed integral type mechanical detonator, when in actual use, can utilize casing and explosion valve cartridge case drive arrangement fixed connection to can be so that mechanical detonator is fixed to the explosion valve cartridge case drive arrangement on. Like this, feel the detonator at the long-range electric current of blasting valve pause and feel under the operating mode that can not start because of the accident, operating personnel can extract the bracelet, and at this moment, the firing pin subassembly removes to and detonates the subassembly contact to can detonate blasting valve cartridge case drive arrangement fast with the help of the subassembly that detonates, the integral type mechanical detonator of this embodiment, simple structure, the operation of detonating is convenient, and has very high reliability, has increased the security.
Drawings
Fig. 1 is a schematic structural view of an integrated mechanical initiator according to an embodiment of the present disclosure.
Detailed Description
For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1, embodiments of the present disclosure relate to an integrated mechanical initiator 100, the integrated mechanical initiator 100 including a housing 110, a firing pin assembly 120, a detonation assembly 130, and a pull ring 140. The first end of the housing 110 is adapted to be coupled to a burst valve cartridge driver 200. The striker assembly 120 is movably disposed within the housing 110. The detonation assembly 130 is disposed at a first end of the housing 110 opposite the firing pin assembly 120, the detonation assembly 130 communicating with a main chamber in the burst valve cartridge drive 200. The pull ring 140 is inserted into the housing 110 and the striker assembly 120, and when the pull ring 140 is pulled out, the striker assembly 120 can be moved into contact with the detonation assembly 130, such that the detonation assembly 130 detonates the gunpowder in the burst valve cartridge drive 200.
The integrated mechanical initiator of the embodiment can be fixedly connected with the driving device of the cartridge of the explosion valve by utilizing the shell in actual use, so that the mechanical initiator can be fixed on the driving device of the cartridge of the explosion valve. Like this, feel the detonator at the long-range electric current of blasting valve pause and feel under the operating mode that can not start because of the accident, operating personnel can extract the bracelet, and at this moment, the firing pin subassembly removes to and detonates the subassembly contact to can detonate blasting valve cartridge case drive arrangement fast with the help of the subassembly that detonates, the integral type mechanical detonator of this embodiment, simple structure, the operation of detonating is convenient, and has very high reliability, has increased the security.
Illustratively, as shown in fig. 1, the initiation assembly 130 includes a body 131, a primer layer 132, a secondary chamber 133, and a gas chamber 134. The body 131 is disposed in the housing 110. The primer layer 132 is disposed on the side of the body 131 facing the striker assembly 120. The auxiliary explosive chamber 133 and the gas chamber 134 are arranged in the body 131, and the auxiliary explosive chamber 133 is respectively communicated with the gas chamber 134 and the main explosive chamber.
Specifically, after the pull ring is pulled out, the firing pin assembly 120 impacts the primer in the primer layer 132, after the primer acts, the gunpowder gas generated by the primer pushes the closed gas in the gas chamber 134 to move forward, the gunpowder in the auxiliary gunpowder chamber 133 in the mechanical initiator is ignited, the gunpowder in the mechanical initiator on one hand ignites the main powder in the blasting valve driving device, on the other hand, the generated pressure reversely pushes the closed gas plug to move back, the purpose of sealing the gunpowder gas is achieved, and the gas pressure is guaranteed not to leak.
The primer in the primer layer in the embodiment is highly sensitive gunpowder and can be detonated after being impacted by certain strength, the gas blocking and the fire transfer holes can transfer the primer to the gunpowder by burning, and the gas blocking plays a gas blocking role after the gunpowder is detonated.
Illustratively, as shown in fig. 1, the cross-sectional dimension of the gas chamber 134 increases from the side away from the secondary chamber 133 to the side near the secondary chamber 133. In this way, the propellant gas generated by the primer can be facilitated to effectively push the closed gas in the gas chamber 134 to move forward, so that the propellant in the secondary propellant chamber 133 in the mechanical initiator can be rapidly ignited.
Illustratively, as shown in fig. 1, a fire transfer hole 135 is further disposed in the body 131, and the fire transfer hole 135 communicates with the secondary propellant chamber 133 and the gas chamber 134, respectively. Thus, after the primer is acted, the gunpowder gas generated by the primer pushes the closing gas to move forward, and the gunpowder in the mechanical initiator is ignited through the fire transfer hole 135.
Illustratively, as shown in fig. 1, the cross-sectional size of the fire transfer holes 135 increases from the side away from the secondary chamber 133 to the side near the secondary chamber 133. In this way, the propellant gas generated from the primer can be facilitated to effectively push the closed gas in the gas chamber 134 to move forward, so that the propellant in the secondary propellant chamber 133 of the mechanical initiator can be rapidly ignited through the transfer ports 135.
Illustratively, as shown in fig. 1, the striker assembly 120 includes a striker 121 and an elastic member 122, the elastic member 122 is disposed on an outer side of the striker 121, a first end of the elastic member 122 is connected to the striker 121, and a second end of the elastic member 122 is connected to a second end of the housing 110. The elastic member 122 may employ a compression spring.
The integral type mechanical initiator of this embodiment, under normal condition, inside elastic component 122 is in compression state, after extracting the pull ring, elastic component 122 promotes firing pin 121 striking primer, the primer effect back, the powder gas that the primer produced promotes and closes gas forward motion, ignite the powder in the mechanical initiator through the transfer hole, the main equipment powder in the explosion valve drive arrangement is lighted to the powder in the mechanical initiator on the one hand, the pressure that produces on the one hand pushes the shutoff gas plug and moves backward, reach airtight powder gas purpose, guarantee that gas pressure does not leak.
The integrated mechanical initiator is installed on the cartridge of the explosion valve, the upper end of the firing pin is not fixedly connected with the mechanical initiator, the firing pin compresses the elastic part in a small space, the elastic part is compressed under normal conditions, the firing pin bears the pressure applied by the compression of the elastic part, the firing pin is fixed by the pull ring, and the pull ring can be pulled out manually.
Illustratively, as shown in fig. 1, the outer peripheral wall of the first end of the housing 110 is provided with an external connection thread, and the driving device of the cartridge of the burst valve is provided with an internal connection thread, and the external connection thread is screwed with the internal connection thread.
In another aspect of the present disclosure, there is provided a burst valve cartridge drive device comprising at least one tommy induction detonator and at least one integrated mechanical detonator as described above.
The cartridge driving device of the explosion valve of the embodiment can be fixedly connected with the cartridge driving device of the explosion valve by using the shell in practical use, so that the mechanical initiator can be fixed on the cartridge driving device of the explosion valve. Like this, feel the detonator at the long-range electric current of blasting valve pause and feel under the operating mode that can not start because of the accident, operating personnel can extract the bracelet, and at this moment, the firing pin subassembly removes to and detonates the subassembly contact to can detonate blasting valve cartridge case drive arrangement fast with the help of the subassembly that detonates, the integral type mechanical detonator of this embodiment, simple structure, the operation of detonating is convenient, and has very high reliability, has increased the security.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these are to be considered as the scope of the disclosure.
Claims (9)
1. An integrated mechanical initiator, comprising a housing, a firing pin assembly, a detonation assembly, and a pull ring;
the first end of the shell is used for being connected with a driving device of a cartridge of the explosion valve;
the striker assembly is movably disposed within the housing,
the detonation assembly is arranged at the first end of the shell and is opposite to the firing pin assembly, and the detonation assembly is communicated with a main explosive chamber in the blasting valve cartridge driving device;
the pull ring is arranged in the shell and the firing pin assembly in a penetrating mode, and when the pull ring is pulled out, the firing pin assembly can move to be in contact with the detonation assembly, so that the detonation assembly detonates gunpowder in the blasting valve cartridge driving device.
2. The integrated mechanical initiator according to claim 1, wherein the detonation assembly comprises a body, a primer layer, a secondary chamber and a gas chamber;
the body is arranged in the shell;
the primer layer is arranged on one side of the body facing the firing pin assembly;
the auxiliary explosive chamber and the gas chamber are both arranged in the body, and the auxiliary explosive chamber is respectively communicated with the gas chamber and the main explosive chamber.
3. The one-piece mechanical initiator according to claim 2, wherein the gas chamber has a cross-sectional dimension that increases sequentially from a side facing away from the secondary chamber to a side adjacent to the secondary chamber.
4. The integrated mechanical initiator according to claim 3, wherein a fire transfer hole is further provided in the body, and the fire transfer hole communicates with the secondary explosive chamber and the gas chamber, respectively.
5. The one-piece mechanical initiator according to claim 4, wherein the cross-sectional dimensions of the fire transfer holes increase sequentially from a side facing away from the secondary chamber to a side adjacent to the secondary chamber.
6. The integrated mechanical initiator according to any one of claims 1 to 5, wherein the firing pin assembly comprises a firing pin and a resilient member, the resilient member being sleeved outside the firing pin, a first end of the resilient member being connected to the firing pin, and a second end of the resilient member being connected to the second end of the housing.
7. The integrated mechanical initiator according to claim 6, wherein the elastic member employs a compression spring.
8. The integrated mechanical initiator according to any one of claims 1 to 5, wherein the first-end peripheral wall of the housing is provided with a connecting external thread, and the burst valve cartridge driving means is provided with a connecting internal thread, the connecting external thread being screw-coupled with the connecting internal thread.
9. A burst valve cartridge drive comprising at least one impulse induction detonator and at least one integrated mechanical detonator as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739663.5A CN113324442B (en) | 2021-06-30 | 2021-06-30 | Integrated mechanical detonator and explosion valve cartridge drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739663.5A CN113324442B (en) | 2021-06-30 | 2021-06-30 | Integrated mechanical detonator and explosion valve cartridge drive |
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| Publication Number | Publication Date |
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| CN113324442A true CN113324442A (en) | 2021-08-31 |
| CN113324442B CN113324442B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110739663.5A Active CN113324442B (en) | 2021-06-30 | 2021-06-30 | Integrated mechanical detonator and explosion valve cartridge drive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506789A (en) * | 2022-02-24 | 2022-05-17 | 常州大学 | Portable gas-driven expander and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH74644A (en) * | 1916-07-28 | 1917-09-01 | John Meynet | Hand grenade firing device |
| FR816083A (en) * | 1936-03-30 | 1937-07-29 | Projectile improvements | |
| JPH0320598A (en) * | 1989-06-15 | 1991-01-29 | Nippon Koki Kk | Percussion cap sensitivity testing method and device |
| CN101806563A (en) * | 2010-03-10 | 2010-08-18 | 杜文博 | Safety initiating explosive device |
| CN108507762A (en) * | 2017-02-24 | 2018-09-07 | 国核电站运行服务技术有限公司 | A kind of nuclear power plant's explosive valve explosion component performance testing device |
| CN111681790A (en) * | 2020-06-23 | 2020-09-18 | 中核武汉核电运行技术股份有限公司 | End face sealing suction gun device of high-temperature gas cooled reactor |
-
2021
- 2021-06-30 CN CN202110739663.5A patent/CN113324442B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH74644A (en) * | 1916-07-28 | 1917-09-01 | John Meynet | Hand grenade firing device |
| FR816083A (en) * | 1936-03-30 | 1937-07-29 | Projectile improvements | |
| JPH0320598A (en) * | 1989-06-15 | 1991-01-29 | Nippon Koki Kk | Percussion cap sensitivity testing method and device |
| CN101806563A (en) * | 2010-03-10 | 2010-08-18 | 杜文博 | Safety initiating explosive device |
| CN108507762A (en) * | 2017-02-24 | 2018-09-07 | 国核电站运行服务技术有限公司 | A kind of nuclear power plant's explosive valve explosion component performance testing device |
| CN111681790A (en) * | 2020-06-23 | 2020-09-18 | 中核武汉核电运行技术股份有限公司 | End face sealing suction gun device of high-temperature gas cooled reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506789A (en) * | 2022-02-24 | 2022-05-17 | 常州大学 | Portable gas-driven expander and method |
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| CN113324442B (en) | 2023-04-14 |
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