CN216049459U

CN216049459U - Detonating tube

Info

Publication number: CN216049459U
Application number: CN202121180412.XU
Authority: CN
Inventors: 黄志斌; 于德才; 张永军; 张红军
Original assignee: Liaoning Huafeng Civil Chemical Development Co ltd
Current assignee: Liaoning Huafeng Civil Chemical Development Co ltd
Priority date: 2021-05-30
Filing date: 2021-05-30
Publication date: 2022-03-15
Anticipated expiration: 2031-05-30

Abstract

The utility model discloses a detonating tube which comprises a detonating tube body, wherein one end of the detonating tube is provided with a polygonal bayonet, a bayonet plug is clamped inside the polygonal bayonet, the polygonal bayonet is an equihexagonal bayonet, and a fish scale lug is arranged on the outer side surface of the bayonet plug. According to the utility model, the fish scale lug is arranged on the outer side surface of the bayonet plug to form the fish scale bayonet plug, the traditional smooth contact mode is changed into a fish scale shape, the pressure is related to the axial pressure of the detonating tube body, and the radial internal pressure is increased when the axial pressure of the detonating tube body is increased, so that the radial static pre-pressure can be reduced, the radial deformation at the bayonet of the detonating tube body can be reduced, the smaller radial deformation of the detonating tube body is reduced, the explosion impact attenuation of the detonating tube can be reduced, and then the contact mode is planar after the polygonal bayonet is changed into a new bayonet mode by arranging the polygonal bayonet, and the radial prestress of the bayonet can be reduced under the same requirement.

Description

Detonating tube

Technical Field

The utility model relates to the technical field of detonating tubes, in particular to a detonating tube.

Background

The detonating tube is called as a plastic detonating tube-nonelectric detonator detonating system, is often called as a 'detonating tube' for short, and consists of a 'plastic detonating tube' and a 'nonelectric detonator', wherein a hexogen high-energy explosive and an aluminum powder are arranged in the plastic detonating tube, and after being detonated by a detonator/an electric detonator/a nonelectric detonator system/a detonating cord/an explosive/a detonating gun = = the detonating tube transmits the detonating energy to the nonelectric detonator in a shock wave form, and the plastic detonating tube has no change.

The prior art has the following problems:

the inner wall of the traditional detonating tube is smooth, the radial pre-pressure formed by the bayonet is fixed, and then the effective contact mode of the traditional annular bayonet, the bayonet plug and the detonating tube is linear, so that the detonating tube is easy to deform in the working process.

We have therefore proposed a detonator that addresses the above-mentioned disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, the inner wall of the traditional detonating tube is smooth, the radial pre-pressure formed by the bayonet is fixed, and the effective contact mode of the traditional annular bayonet, the bayonet plug and the detonating tube is linear.

In order to achieve the purpose, the utility model adopts the following technical scheme: the detonating tube comprises a detonating tube body, wherein a polygonal bayonet is formed in one end of the detonating tube, a bayonet plug is clamped inside the polygonal bayonet, the polygonal bayonet is an equihexagonal bayonet, and a fish scale lug is arranged on the outer side surface of the bayonet plug.

Preferably, a cavity is arranged inside the detonating tube body, a power generating body is arranged inside the cavity, and an elastic piece is arranged at one end of the power generating body.

Preferably, the inside sound insulation chamber that is provided with of detonator body, the inside vertical support column of installing of sound insulation chamber.

Preferably, the elastic member is a spring.

Preferably, the fish scale lugs are arranged in a plurality, and the fish scale lugs are arranged on the outer side surface of the bayonet plug in a staggered and sequential manner.

Preferably, the supporting columns are arranged in a plurality, and the supporting columns are equidistantly arranged inside the sound insulation cavity.

Compared with the prior art, the utility model has the beneficial effects that;

1. the utility model changes the traditional smooth contact mode into a fish scale shape, the pressure is related to the axial pressure of the detonating tube body, when the axial pressure of the detonating tube body is increased, the radial internal pressure is increased, thereby the radial static pre-pressure can be reduced, the radial deformation at the bayonet of the detonating tube body can be reduced, the radial deformation of the detonating tube body is reduced, the explosion impact attenuation of the detonating tube can be reduced, secondly, the contact mode is planar after the polygonal bayonet is changed into a new bayonet mode by arranging the polygonal bayonet, the radial pre-stress of the bayonet can be reduced under the same requirement, thereby the deformation of the detonating tube is reduced, finally, the elastic piece is arranged, the plastic deformation used by the former power generation body is used to slow down the explosion impact, therefore, the power generation body has only one generation process, after the elastic energy storage is changed, the power generating body can be absorbed in an initial state after being rebounded by the elastic piece, so that the power generating capacity is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a detonator according to the present invention;

FIG. 2 is a schematic view of a polygonal bayonet of the detonator of the present invention;

fig. 3 is a schematic view of a bayonet plug of a detonator according to the present invention.

Illustration of the drawings:

1. a detonator body; 2. a sound-insulating chamber; 3. a support pillar; 4. a bayonet plug; 5. a cavity; 6. an elastic member; 7. a power generating body; 8. fish scale lug; 9. a polygonal bayonet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the detonator comprises a detonator body 1, wherein a polygonal bayonet 9 is formed in one end of the detonator, a bayonet plug 4 is clamped inside the polygonal bayonet 9, the polygonal bayonet 9 is a hexagonal bayonet, a fish scale lug 8 is arranged on the outer side surface of the bayonet plug 4, a sound insulation cavity 2 is formed inside the detonator body 1, a support column 3 is vertically arranged inside the sound insulation cavity 2, the fish scale lug 8 is provided with a plurality of fish scale lugs 8, the fish scale lugs 8 are sequentially arranged on the outer side surface of the bayonet plug 4 in a staggered mode, the support column 3 is provided with a plurality of support columns, and the support columns 3 are equidistantly arranged inside the sound insulation cavity 2.

In this embodiment: the fish scale lug 8 is arranged on the outer side surface of the bayonet plug 4 to form the fish scale bayonet plug 4, the traditional smooth contact mode is changed into a fish scale shape, the pressure is related to the axial pressure of the detonating tube body 1, when the axial pressure of the detonating tube body 1 is increased, the radial internal pressure is increased, and therefore the radial static pre-pressure can be reduced, the radial deformation of the bayonet of the detonating tube body 1 can be reduced, the smaller radial deformation of the detonating tube body 1 can be reduced, the blasting impact attenuation of the detonating tube can be reduced, and then the contact mode is planar after the new bayonet mode is changed by arranging the polygonal bayonet 9, the radial pre-stress of the bayonet can be reduced under the same requirement, and the change of the detonating tube is reduced.

Specifically, the detonator body 1 is internally provided with a cavity 5, the cavity 5 is internally provided with a power generation body 7, one end of the power generation body 7 is provided with an elastic piece 6, and the elastic piece 6 is a spring.

In this embodiment: through setting up elastic component 6, it is that plastic deformation slows down the blasting impact that previous generator 7 used, therefore generator 7 only once generates electricity the journey, changes into the elasticity energy storage back, and generator 7 can be adsorbed initial condition again after elastic component 6 rebounds, therefore has improved the generated energy.

The working principle is as follows: the fish scale lug 8 is arranged on the outer side surface of the bayonet plug 4 to form the fish scale bayonet plug 4, the traditional smooth contact mode is changed into a fish scale shape, the pressure is related to the axial pressure of the detonating tube body 1, when the axial pressure of the detonating tube body 1 is increased, the radial internal pressure is increased, therefore, the radial static pre-pressure can be reduced, the radial deformation at the bayonet of the detonating tube body 1 can be reduced, the smaller radial deformation of the detonating tube body 1 can be reduced, the explosion impact attenuation of the detonating tube can be reduced, then, after the polygonal bayonet 9 is arranged, the new bayonet mode is changed, the contact mode is planar, under the same requirement, the radial pre-stress of the bayonet can be reduced, the deformation of the detonating tube can be reduced, finally, the elastic piece 6 is arranged, the plastic deformation used by the front power generation body 7 is used for reducing the explosion impact, therefore, the power generation body 7 only has one-time power generation history, after the elastic energy storage is changed, the power generation body 7 is rebounded by the elastic piece 6 and then is absorbed in the initial state, so that the power generation amount is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The detonating tube comprises a detonating tube body (1) and is characterized in that a polygonal bayonet (9) is formed in one end of the detonating tube, a bayonet plug (4) is clamped inside the polygonal bayonet (9), the polygonal bayonet (9) is an equal-hexagon bayonet, and a fish scale lug (8) is arranged on the outer side surface of the bayonet plug (4).

2. The detonator of claim 1 wherein a cavity (5) is provided inside the detonator body (1), a power generating body (7) is provided inside the cavity (5), and an elastic member (6) is provided at one end of the power generating body (7).

3. The detonator of claim 1 wherein a sound insulation cavity (2) is arranged inside the detonator body (1), and a support column (3) is vertically arranged inside the sound insulation cavity (2).

4. The detonator of claim 2 wherein said elastic member (6) is a spring.

5. The detonator of claim 1 wherein the fish scale tabs (8) are provided in plurality and the plurality of fish scale tabs (8) are arranged in staggered sequence on the outside surface of the bayonet plug (4).

6. The detonator of claim 3, wherein a plurality of the supporting columns (3) are provided, and the plurality of supporting columns (3) are installed at equal intervals inside the sound-insulating chamber (2).