CN217358280U - Combined delay detonating device - Google Patents

Abstract

The utility model belongs to the technical field of civilian blasting equipment, especially, relate to a combination delay priming device. The combined delay priming device is used for initiating explosives according to required time and sequence, and comprises: the detonation output assembly comprises a body and a detonation output assembly, wherein the body is of an integrated structure provided with a delay channel group for filling gunpowder, the delay channel group comprises a plurality of delay channels, each delay channel is a round hole with the same size, extends along the vertical direction, and is arranged in the body in parallel; the detonation output assembly is arranged in the body and is positioned below the delay channel group. Therefore, the combined delay priming device is provided with a group of delay channels, and the aim of quickly selecting the corresponding delay channels according to different delay requirements so as to change the priming delay time is fulfilled.

Description

Combined delay detonating device

Technical Field

The utility model belongs to the technical field of civilian blasting equipment, especially, relate to a combination delay priming device.

Background

The delay priming device is a device for exciting explosive explosion reaction, and is characterized by that it uses external input flame to ignite delay channel, after the delay time of ignition delay powder is ignited, the ignition powder can be ignited so as to ignite detonation output component, and can output detonation, and can implement delay priming task, and can safely and reliably initiate explosive according to required time and sequence. The ignition delay agent can control the delay time of an explosion sequence or a fire transfer sequence, and requires accurate combustion time, reliable action, good physical and chemical properties and low mechanical sensitivity. Ignition delay charges are commonly used in time fuses, auto-detonators, release mechanisms, delay detonators, igniters and other initiating elements to achieve delayed initiation or ignition. The ignition powder is used for igniting initiating explosive, pyrotechnic, propellant and propellant. The ignition powder used in practice is mostly mixed ignition powder, and mainly comprises an oxidant, a combustible agent and a binding agent. The material is required to have stable physical and chemical properties, be sensitive to thermal shock, have enough ignition capacity and reliable action, and be filled in various ignition devices.

The conventional delay priming device is a single channel, the delay time is fixed, and the delay priming device is not suitable for use in different scenes or when the priming time and the priming sequence are temporarily changed, so that the whole delay priming device needs to be replaced, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above-mentioned problem of prior art, the utility model provides a combination priming device that delays has set up delay channel group, can satisfy the demand that millisecond to 5s between arbitrary time quantum delay was igniteed and detonation output to solved current priming device that delays and can't change the technical problem of detonation delay time according to actual conditions.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides a combination priming device that delays for according to required time and order start explosive, include: the detonation output assembly comprises a body and a detonation output assembly, wherein the body is of an integrated structure provided with a delay channel group for filling gunpowder, the delay channel group comprises a plurality of delay channels, each delay channel is a round hole with the same size, extends along the vertical direction, and is arranged in the body in parallel; the detonation output assembly is arranged in the body and is positioned below the delay channel group.

Furthermore, the lower end of each delay channel is communicated with each other through a respective collecting channel, and the area communicated with the delay channels is a total ignition powder cavity.

Furthermore, different areas are formed in the delay passage according to the different charged gunpowder, the area charged with ignition delay powder is an ignition delay powder cavity, and the ignition delay powder cavity is arranged on the uppermost layer of the delay passage.

Furthermore, the area filled with the ignition powder in the delay passage is an ignition powder cavity which is arranged below the ignition delay powder cavity.

Further, the detonation output assembly comprises a fixing piece and a detonator, the fixing piece is fixedly connected with the inner wall of the body, the fixing piece is provided with a through hole extending along the vertical direction, the through hole is communicated with the total ignition powder cavity, and the detonator is arranged in the through hole.

Further, the height range of the body is as follows: 14-15mm, length range: 10-12mm, width range: 5-7 mm.

Further, the diameter range of the delay passage is: 3.5-4.2mm, depth range is: 9-10mm, the diameter range of the summary channel is: 2-2.5 mm.

Further, the height range of the fixing piece is as follows: 4-5mm, the height range of the detonator is as follows:

2.8-3.3mm, the diameter range of the detonator is as follows: 2.3-2.7 mm.

Further, the ignition delay agent is a tungsten-based ignition delay agent.

Further, the ignition powder is red lead ignition powder.

(III) advantageous effects

The utility model has the advantages that:

the utility model provides a pair of combination priming device that postpones has set up the delay passageway group that can satisfy millisecond to 5s between arbitrary time quantum delay ignition and detonation output demand, can be according to different delay demands, realize the corresponding delay time passageway of quick selection by adapted rotary mechanism, realized can changing the purpose of priming delay time, and, in the time of the channel effect of postponing of selecting, the delay passageway that reverse action did not select for use, make the delay passageway self-destruction of not selecting for use, do not leave over the potential safety hazard.

Drawings

FIG. 1 is a schematic cross-sectional view of a combined delay primer including two delay channels;

fig. 2 is a schematic top view of a combined delay primer including two delay channels.

[ description of reference ]

1: a body; 11: a deferred channel group; 111: an ignition delay medicine cavity; 112: an ignition charge cavity; 12: a collecting channel; 13: a total ignition charge chamber;

2: a detonation output assembly; 21: a fixing member; 22: and (4) a detonator.

Detailed Description

In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The utility model provides a combination priming device that delays for initiating explosive according to required time and order, as shown in fig. 1, 2, include: body 1 and detonation output assembly 2, body 1 is for being provided with the integral type structure that is used for filling delay channel group 11 of powder, and the high scope of body 1 is: 14-15mm, length range is: 10-12mm, width range: 5-7 mm. The delay channel group 11 comprises a plurality of delay channels, each delay channel is a round hole with the same size, extends along the vertical direction, and is arranged in the body 1 in parallel; the diameter range of the delay passage is as follows: 3.5-4.2mm, depth range is: 9-10 mm. The plurality of delay channels are arranged, so that corresponding delay time channels can be quickly selected by the matched rotating mechanism according to different delay requirements, the purpose of changing the detonation delay time is realized, and the unselected delay channels can reversely act while the selected delay channels act, so that the unselected delay channels are self-destructed, and potential safety hazards are not left.

The delay passage forms different areas according to the powder filled with different functions, the area filled with the ignition delay powder is an ignition delay powder cavity 111, the ignition delay powder cavity 111 is arranged on the uppermost layer of the delay passage, and the tungsten system ignition delay powder is selected as the ignition delay powder because the delay precision of the tungsten system delay powder is higher, and the tungsten system delay powder can reach the millisecond level by adjusting the granularity of tungsten powder. The area filled with ignition powder in the delay passage is an ignition powder cavity 112, the ignition powder cavity 112 is arranged below the ignition delay powder cavity 111, the lower end of each delay passage is respectively communicated through a respective collecting passage 12, and the area communicated with the delay passages is a total ignition powder cavity 13. Because of the good stability of the red lead ignition charge, the ignition charges in the ignition charge cavity 112 and the total ignition charge cavity 13 are selected as the red lead ignition charges. Wherein, the diameter range of the collecting channel 12 is: 2-2.5 mm.

The detonation output assembly 2 is arranged in the body 1 and is positioned below the delay passage group 11. The detonation output assembly 2 comprises a fixing member 21 and a detonator 22, the fixing member 21 is fixedly connected with the inner wall of the body 1, the fixing member 21 is provided with a through hole extending along the vertical direction, the through hole is communicated with the total ignition powder cavity 13, and the detonator 22 is arranged in the through hole. The detonation output component 2 outputs detonation after being ignited by flame transmitted by the delay channel, and the delayed detonation task is completed. Wherein, the height range of the fixing member 21 is: 4-5mm, the height range of the detonator 22 is: 2.8-3.3mm, the diameter range of the detonator 22 is:

2.3-2.7mm。

when the delay device is used, according to different delay requirements, a corresponding delay channel of delay time is quickly selected by the matched rotating mechanism, an external input flame ignites the delay channel through the matched rotating mechanism, ignition powder is ignited after the ignition delay powder is ignited for delay, and the detonation output component 2 is ignited.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A combination delay primer for initiating explosives at a desired time and sequence, said combination delay primer comprising: the detonation output device comprises a body (1) and a detonation output assembly (2), wherein the body (1) is of an integrated structure provided with a delay channel group (11) for filling gunpowder, the delay channel group (11) comprises a plurality of delay channels, each delay channel is a round hole with the same size, extends along the vertical direction, and is arranged in the body (1) in parallel; the detonation output assembly (2) is arranged in the body (1) and is positioned below the delay channel group (11).

2. The combined delay primer according to claim 1, wherein the lower ends of each delay channel are respectively communicated through a respective collecting channel (12), and the communicated area of the delay channels is a total ignition charge cavity (13).

3. The combined delay primer according to claim 1, wherein the delay channel is formed into different regions according to the charge of different action powder, the region charged with ignition delay powder is an ignition delay powder chamber (111), and the ignition delay powder chamber (111) is arranged at the uppermost layer of the delay channel.

4. The combined delay priming device according to claim 3, characterized in that the area filled with the ignition charge in the delay passage is an ignition charge cavity (112), and the ignition charge cavity (112) is arranged below the ignition charge cavity (111).

5. The combined delay primer according to claim 2, wherein the detonation output assembly (2) comprises a fixing member (21) and a detonator (22), the fixing member (21) is fixedly connected with the inner wall of the body (1), the fixing member (21) is provided with a through hole extending along a vertical direction, the through hole is communicated with the main ignition charge cavity (13), and the detonator (22) is arranged in the through hole.

6. A combined delayed primer initiation device according to claim 1, characterized in that the height range of the body (1) is: 14-15mm, length range: 10-12mm, width range: 5-7 mm.

7. The combined delay primer according to claim 2, wherein the diameter range of the delay channel is: 3.5-4.2mm, depth range is: 9-10mm, the diameter range of the collecting channel (12) is as follows: 2-2.5 mm.

8. A combined delayed primer as claimed in claim 5, wherein the height range of the fixing member (21) is: 4-5mm, the height range of the detonator (22) is as follows: 2.8-3.3mm, the diameter range of the detonator (22) is as follows: 2.3-2.7 mm.

9. The combination delay primer according to claim 3, wherein the ignition delay charge is a tungsten-based ignition delay charge.

10. The primer train of claim 4, wherein the ignition charge is a red lead ignition charge.

Images