CN112212746A - Recoverable novel insurance simulation piece - Google Patents
Recoverable novel insurance simulation piece Download PDFInfo
- Publication number
- CN112212746A CN112212746A CN202011103394.5A CN202011103394A CN112212746A CN 112212746 A CN112212746 A CN 112212746A CN 202011103394 A CN202011103394 A CN 202011103394A CN 112212746 A CN112212746 A CN 112212746A
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- China
- Prior art keywords
- connecting rod
- pin
- shell
- fuse
- insurance
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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
- F42C21/00—Checking fuzes; Testing fuzes
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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
- F42C15/20—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fuses (AREA)
Abstract
The invention discloses a recoverable novel safety simulation piece, which comprises a shell, a connecting rod and a pin, wherein the connecting rod is connected with the shell; an upper cavity and a lower cavity are arranged in the shell, two F-shaped grooves are arranged on the outer cylindrical surface of the upper cavity in a mirror symmetry mode, each F-shaped groove comprises two square transverse grooves extending along the circumferential direction of the shell, the inner diameter of the lower cavity is smaller than that of the upper cavity, and a spring penetrates through the lower cavity; the connecting rod is connected with the pin and penetrates through the spring, and can move in the upper cavity along the axial direction; the pin can move to any square transverse groove of the F-shaped groove to lock the connecting rod under the driving of the connecting rod. The invention realizes the adjustment of the extension length of the small end of the extension rod by locking and unlocking the pin butt joint rod, further effectively realizes the real action simulation of the two conditions of unlocking and restoring the fuse of a certain initiating explosive fuse device, is widely used for checking whether the functions of other safety devices at all levels are normal or not by a fuse provided with the initiating explosive fuse device, and can effectively prevent various potential safety hazards caused by the actions of other safety devices at all levels of the fuse due to misoperation.
Description
Technical Field
The invention belongs to the field of insurance simulation pieces, and particularly relates to a recoverable novel insurance simulation piece.
Background
The fuse protector is one common fuse and has the action mechanism of mechanical action, i.e. pulling out pin, after power is supplied.
Most fuses are in a safety state through pins (shown in figure 1) of the initiating explosive device before detonation, power is supplied to the initiating explosive device immediately after a safety command is received, and the pins of the initiating explosive device can be pulled out immediately to relieve the safety. In order to ensure the fuse is normally relieved, analog relief is required in the assembling process of the fuse.
However, the above-described analog arming process has the following problems:
(1) the assembly of the firer safety actuating device belongs to the firer operation, and the accidental action of the firer can be caused by carelessness to cause personal injury;
(2) with the development of weapon systems, the requirements on fuses are higher and higher, and different fuses have different requirements on the functions of the firesafe device, namely different arming processes of the firesafe device.
Disclosure of Invention
The invention provides a recoverable novel safety simulation piece which is used for simulating the movement process of an initiating explosive safety device, checking whether the movement of other safety actions of each level of a fuse is normal or not, and simultaneously effectively preventing various potential safety hazards caused by the actions of other safety actions of each level due to misoperation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a recoverable novel insurance simulation piece comprises a shell, a connecting rod and a pin;
an upper cavity and a lower cavity are arranged in the shell, two F-shaped grooves are formed in the outer cylindrical surface of the upper cavity in a mirror symmetry mode, each F-shaped groove comprises two square transverse grooves extending along the circumferential direction of the shell, the inner diameter of the lower cavity is smaller than that of the upper cavity, and a spring penetrates through the lower cavity;
the connecting rod is connected with the pin and penetrates through the spring, and can move in the upper chamber along the axial direction;
the pin can move to any one square transverse groove of the F-shaped groove to lock the connecting rod under the driving of the connecting rod.
Preferably, the housing is of a cylindrical structure with an open upper end, the open end is fixedly connected with a cover plate through a screw, and through holes for the connecting rods to pass through are formed in the center of the cover plate and the center of the bottom end of the housing.
Preferably, the extension rod is in a stepped cylindrical shape and forms two opposite T-shaped structures.
Preferably, the inverted T-shaped cross beam at the upper part of the extension rod is positioned in the upper chamber, is provided with a pin and is provided with a first step surface, the first step surface is positioned at the upper end of the extension rod, and the outer diameter of the first step surface is larger than the inner diameter of the lower chamber.
Preferably, the T-shaped cross beam at the lower part of the extension rod is provided with a second step surface, the second step surface is close to the small end of the extension rod, and the outer diameter of the second step surface is smaller than the inner diameter of the spring.
Preferably, the pin is screwed to the extension rod in a radial direction of the extension rod.
Preferably, the length and the diameter of the part of the two ends of the pin, which penetrate out of the extension rod, are the same.
Due to the structure, the invention has the advantages that:
the recoverable novel safety simulation piece can realize the adjustment of the extension length of the small end of the connecting rod relative to the shell by locking and unlocking the pin butt-joint rod, thereby realizing the double functions of pulling out and recovering the extension rod, having the function of truly simulating the fuse release of the firer fuse device and the function of simulating the recovery of the firer fuse device to the original fuse position, further, the real action simulation of two conditions of reliable fuse release and fuse recovery of the initiating explosive device can be effectively realized, and the fuse protector is widely applied to fuses provided with the initiating explosive devices, by simulating the fuse relief process of the firer fuse device, whether the other safety functions of the fuse are normal or not is checked, meanwhile, various potential safety hazards generated under the condition that other safety actions of the fuse are caused by misoperation can be effectively prevented by simulating the safety recovery process of the initiating explosive fuse device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a prior art pyrotechnic fuse simulation;
FIG. 2 is a schematic structural diagram of a recoverable new fuse simulator according to the present invention;
fig. 3 is a three-dimensional perspective view of a recoverable new insurance simulator of the present invention.
The device comprises a shell, a spring, a pin, a connecting rod, a screw, a cover plate, a lower chamber, a first step surface, a second step surface, a safety position and an F-shaped groove, wherein the shell is 1, the spring is 2, the pin is 3, the connecting rod is 4, the screw is 5, the cover plate is 6, the upper chamber is 7, the lower chamber is 8, the first step surface is 9, the second step surface is 10.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The prior art pyrotechnic fuse simulator is shown in fig. 1, in which only one securing action of pushing or pulling is achieved.
As shown in fig. 2 and 3, the invention provides a recoverable novel insurance simulation piece, which comprises a shell 1, a connecting rod 4 and a pin 3;
an upper chamber 7 and a lower chamber 8 are arranged in the shell 1, two F-shaped grooves 13 are formed in the outer cylindrical surface of the upper chamber 7 in a mirror symmetry mode, each F-shaped groove 13 comprises two square transverse grooves extending along the circumferential direction of the shell, the upper transverse groove and the lower transverse groove respectively correspond to a safety position 11 and a safety position 12, the inner diameter of the lower chamber 8 is smaller than that of the upper chamber 7, and a spring 2 penetrates through the lower chamber;
the connecting rod 4 is connected with the pin 3 and penetrates through the spring 2, and can move in the upper chamber 7 along the axial direction;
the pin 3 can be moved by the connecting rod 4 to lock the connecting rod 4 in any one of the two square transverse groove positions (the insurance position 11 or the release position 12) of the two F-shaped grooves.
In this embodiment, the housing 1 is a cylindrical structure with an open upper end, the open end is fixedly connected with a cover plate 6 through a screw 5, and through holes for the connecting rods 4 to pass through are formed in the center of the cover plate 6 and the center of the bottom end of the housing 1.
In this embodiment, the extension rod 4 is in a stepped cylinder shape, and forms two opposite T-shaped structures.
In this embodiment, the inverted T-shaped cross beam at the upper part of the extension rod 4 is located in the upper chamber 7, the pin 3 is installed, and the first step surface 9 is provided, the first step surface 9 is located at the upper end of the extension rod 4, the outer diameter of the first step surface is larger than the inner diameter of the lower chamber 8, and the first step surface 9 can play a role in limiting the inverted T-shaped structure at the upper part of the extension rod 4.
In this embodiment, the T-shaped cross beam at the lower part of the extension rod 4 is provided with a second step surface 10, and the second step surface 10 is close to the small end of the extension rod 4 and has an outer diameter smaller than the inner diameter of the spring 2, so that the extension rod 4 can move away from the spring 2 under the restoring force of the spring 2.
In this embodiment, the pin 3 is screwed to the extension rod 4 in a radial direction of the extension rod 4.
In this embodiment, the length and the diameter of the two ends of the pin 3, which penetrate through the extension rod 4, are the same, so that the circumferential movement of the pin 3 is facilitated.
The working principle of the structure is as follows:
the mounting mode of the structure after mounting is completely consistent with that under the real condition.
When the fuse release action of the firer fuse device needs to be simulated, the connecting rod 4 is rotated to enable the pin 3 to move out of the square transverse groove position of the fuse position 11, then the connecting rod 4 is pulled outwards to enable the inverted T-shaped cross beam part of the pin 3 locking connecting rod 4 to move to the fuse release position 12, the fuse release action of the firer fuse device is simulated, then the connecting rod 4 is rotated reversely to enable the pin 3 to move to the square transverse groove position of the fuse release position 12 to lock the connecting rod 4, and the fuse release state of the connecting rod 4 is kept.
After the fuse releasing action of the simulated firer fuse device is completed, the connecting rod 4 is rotated to enable the pin 3 to move out of the square transverse groove position of the fuse releasing position 12, then the connecting rod 4 is pushed to compress the spring 2, the pin 3 enables the inverted T-shaped cross beam part of the connecting rod 4 to move to the fuse position 11, the connecting rod 4 is locked in the square transverse groove position of the fuse position 11 through the pin 3 moving by reversely rotating the connecting rod 4, and the original fuse state of the connecting rod 4 is restored and maintained.
The utility model provides a novel insurance simulation piece of resumable, through 3 locks and the release lock of butt joint pole 4 of pin, can realize that the adjustment connects the little end of pole for the extension length of casing, have the function that real simulation firer safeties relieved insurance, have the function that simulation firer safeties recovered the original insurance position simultaneously again, and then can effectively realize that firer safeties reliably relieves insurance, the simulation of the real action of two kinds of circumstances of recovery insurance, be widely used for being equipped with in the fuse of this kind of firer safeties, through the process of relieving insurance of simulation firer, whether other insurance functions at different levels of inspection fuse are normal, simultaneously through the process of recovering insurance of simulation firer safeties, can effectively prevent the various potential safety hazards that produce under the circumstances of the other insurance actions at different levels that the maloperation leads to the fuse.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A recoverable novel insurance simulation piece is characterized in that: comprises a shell, a connecting rod and a pin;
an upper cavity and a lower cavity are arranged in the shell, two F-shaped grooves are formed in the outer cylindrical surface of the upper cavity in a mirror symmetry mode, each F-shaped groove comprises two square transverse grooves extending along the circumferential direction of the shell, the inner diameter of the lower cavity is smaller than that of the upper cavity, and a spring penetrates through the lower cavity;
the connecting rod is connected with the pin and penetrates through the spring, and can move in the upper chamber along the axial direction;
the pin can move to any one square transverse groove of the F-shaped groove to lock the connecting rod under the driving of the connecting rod.
2. The recoverable new-type insurance dummy of claim 1, wherein: the shell is of a cylindrical structure with an upper end open, the open end is fixedly connected with a cover plate through a screw, and through holes for the connecting rods to penetrate through are formed in the center of the cover plate and the center of the bottom end of the shell.
3. The recoverable new-type insurance dummy of claim 1, wherein: the extension rod is in a stepped cylinder shape, and two opposite T-shaped structures are formed.
4. The recoverable new insurance analogue of claim 3, wherein: the upper part of the connecting rod is provided with an inverted T-shaped cross beam which is positioned in the upper cavity, is provided with a pin and is provided with a first step surface, the first step surface is positioned at the upper end of the connecting rod, and the outer diameter of the first step surface is larger than the inner diameter of the lower cavity.
5. The recoverable new insurance analogue of claim 3, wherein: the T-shaped cross beam at the lower part of the connecting rod is provided with a second step surface, the second step surface is close to the small end of the connecting rod, and the outer diameter of the second step surface is smaller than the inner diameter of the spring.
6. The recoverable new-type insurance dummy of claim 1, wherein: the pin is connected with the connecting rod in a threaded manner along the radial direction of the connecting rod.
7. The recoverable new insurance analogue of claim 6, wherein: the length and the diameter of the part of the two ends of the pin penetrating out of the connecting rod are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103394.5A CN112212746B (en) | 2020-10-15 | 2020-10-15 | Recoverable insurance simulation piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103394.5A CN112212746B (en) | 2020-10-15 | 2020-10-15 | Recoverable insurance simulation piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112212746A true CN112212746A (en) | 2021-01-12 |
| CN112212746B CN112212746B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011103394.5A Active CN112212746B (en) | 2020-10-15 | 2020-10-15 | Recoverable insurance simulation piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628652A (en) * | 2022-12-23 | 2023-01-20 | 山西北方机械制造有限责任公司 | Two-way switching type fuse security mechanism based on electric drive |
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| TWM270883U (en) * | 2004-09-30 | 2005-07-21 | Shu-Ying Jiangchiou | Improved structure for link rod |
| US20140076189A1 (en) * | 2011-09-26 | 2014-03-20 | Gregory K. Wierenga | Hand grenade |
| CN203824446U (en) * | 2014-05-13 | 2014-09-10 | 湖北三江航天红林探控有限公司 | Electric actuator simulator |
| CN104677204A (en) * | 2015-02-13 | 2015-06-03 | 湖北三江航天红林探控有限公司 | Fuze isolation mechanism |
| CN204831034U (en) * | 2015-07-29 | 2015-12-02 | 中国人民解放军63981部队 | Detonator testing machine of whirlpooling down |
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2020
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| US20140076189A1 (en) * | 2011-09-26 | 2014-03-20 | Gregory K. Wierenga | Hand grenade |
| CN203824446U (en) * | 2014-05-13 | 2014-09-10 | 湖北三江航天红林探控有限公司 | Electric actuator simulator |
| CN104677204A (en) * | 2015-02-13 | 2015-06-03 | 湖北三江航天红林探控有限公司 | Fuze isolation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115628652A (en) * | 2022-12-23 | 2023-01-20 | 山西北方机械制造有限责任公司 | Two-way switching type fuse security mechanism based on electric drive |
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| Publication number | Publication date |
|---|---|
| CN112212746B (en) | 2022-10-11 |
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