Emergency rescue focused cutting device with life detection function

Abstract

The present application provides an emergency rescue shaped charge cutting device with life detection function, comprising a life detection device and a shaped charge cutting device body, the life detection device body is arranged on the inner side or the outer side of the shaped charge cutting device body, the shaped charge cutting device body comprises a protective cover, a shaped charge cutting cable and a fuse system, the shaped charge cutting cable is embedded in the front side of the protective cover, and the detonation end of the fuse system is penetrated from the back side of the protective cover to the inside of the protective cover and connected with the shaped charge cutting cable. The technical scheme combines the life detection device into the shaped charge cutting device, realizes the life detection and the precise blasting, realizes the cooperative operation of the two, improves the rescue efficiency, fixes the position of the shaped charge cutting device after the life detection device detects the life, uses the fuse system to detonate the explosive in the shaped charge cutting cable, forms the jet flow, cuts the door or wall, and uses the protective cover to absorb the shock wave after the explosion, avoids the impact on the surrounding buildings and operators.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of emergency rescue equipment, and particularly relates to an emergency rescue energy-gathering cutting device with a life detection function. BACKGROUND

[0002] In various natural disasters and man-made accidents, trapped personnel are often located in complex structural environments, such as inside collapsed buildings or narrow spaces. One of the main challenges faced by rescue work is how to quickly and safely reach the location of the trapped person and timely rescue. For example, in a fire scene or an accident of partial building collapse, it is necessary to quickly find the location of the trapped person and quickly open the rescue and escape channel. When rescuing, it is required to finely and accurately detect the trapped personnel and cut a suitable channel for the building structure around the trapped personnel. The existing rescue equipment is usually single-function, such as a cutting device that can only perform cutting operation and cannot provide life detection information. Different rescue equipment needs to be carried and operated respectively, which is not convenient for collaborative operation, increases the burden of the rescue team, and reduces the rescue efficiency. Moreover, the shock wave generated by the conventional blasting material is easy to affect the surrounding building structure, causing rescue difficulties. SUMMARY

[0003] The present application aims to provide an emergency rescue energy-gathering cutting device with a life detection function, which can quickly break the doors or walls in the region while detecting living beings, thereby improving the rescue efficiency.

[0004] The present application provides an emergency rescue energy-gathering cutting device with a life detection function, which comprises a life detection device and an energy-gathering cutting device body. The life detection device is arranged on the inner side or the outer side of the energy-gathering cutting device body. The energy-gathering cutting device comprises a protective cover, an energy-gathering cutting rope and a fuse system. The energy-gathering cutting rope is embedded in the front side of the protective cover. The detonation end of the fuse system penetrates from the rear side of the protective cover to the inside of the protective cover and is connected with the energy-gathering cutting rope.

[0005] Further, the energy-gathering cutting rope comprises a protective sleeve, an explosive and a shaped charge. The shaped charge is clamped at the open end of the protective sleeve. The explosive is arranged between the shaped charge and the protective sleeve.

[0006] Further, the fuse system comprises an initiator and an electronic detonator. The initiator is connected with the electronic detonator through an initiating cable. One end of the electronic detonator penetrates into the inside of the protective sleeve and contacts the explosive.

[0007] Further, the support frame comprises a frame and a telescopic support rod. The support rod is hinged to the frame. Each corner of the outer side of the frame is provided with a clamping corner plate for mounting the protective cover.

[0008] Further, the cover is a multi-layer composite cover, which comprises an outer cover, an intermediate cover and an inner cover, and each layer is connected by laser welding.

[0009] Further, the outer cover is made of aluminum or magnesium alloy material, the intermediate cover is made of copper or copper alloy material, and the inner cover is made of tantalum or tungsten alloy material.

[0010] Further, the outer cover and the intermediate cover are porous structures.

[0011] Further, the surface of the cover is provided with micro-grooves or micro-holes.

[0012] Further, the protective sleeve is a double-layer structure, the outer layer is a high-density polymer layer, and the inner layer is an elastic layer.

[0013] Further, the life detection device is a sound wave life detector or a radar life detector.

[0014] The beneficial effects of the technical solution are: the life detection device is combined into the energy-gathering cutting device, life detection is realized, precise blasting is realized, the cooperative operation of the two is realized, the rescue efficiency is improved, the position of the energy-gathering cutting device is fixed after the life detection device detects the life, the explosive in the energy-gathering cutting cable is detonated by using the fuse system, a jet is formed, a door or a wall is cut, and the shock wave after explosion is absorbed by the protective cover to avoid impact on surrounding buildings and operating personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is an exploded view of the overall structure of the present application.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the energy-gathering cutting cable in the present application.

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the cutting cable in Example 2 of the present application.

[0020] 1-frame, 2-protection cover, 3-shaped cutting cable, 301-protection cover, 302-explosive, 303-shape charge, 4-clamping angle plate, 5-supporting rod, 6-life detection device, 7-inclined supporting rod, 8-jet hole. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment 1

[0025] As Figures 1-3As shown, the present application provides an emergency rescue shaped charge cutting device with life detection function, which comprises a life detection device 6 and a shaped charge cutting device body, the shaped charge cutting device body is a ring-shaped middle hollow structure, the life detection device 6 is arranged on the inner side or the outer side of the shaped charge cutting device body, wherein the life detection device 6 is an acoustic life detector or a radar life detector, the acoustic life detector captures the sound waves or vibration signals generated by heartbeat, breathing, sound (such as distress signal, knocking sound) and the like; the radar life detector uses radar waves to detect the presence of living beings, determines the position of the living beings by analyzing the reflected signals, and can detect the position of the living beings when a fire or a house collapses.

[0026] The shaped charge cutting device body comprises a protective cover 2, a shaped charge cutting cable 3 and a fuse system, the front side of the protective cover 2 is provided with an embedding groove, the shaped charge cutting cable 3 is embedded in the embedding groove on the front side of the protective cover 2, the protective cover 2 plays a protective role and has the functions of absorbing shock waves and blocking the scattering of explosion products; the shaped charge cutting cable 3 comprises a protective sleeve 301, an explosive 302 and a shaped charge 303, one side of the protective sleeve 301 is a closed structure, the other side is an open structure, recesses are symmetrically formed on the inner wall of the open end of the protective sleeve 301, the two ends of the shaped charge 303 are respectively clamped in the two recesses, and the explosive 302 is arranged between the shaped charge 303 and the protective sleeve 301.

[0027] The cross section of the shaped charge 303 is a conical structure, and the top of the conical structure adopts a hemispherical transition structure. The shaped charge 303 in the embodiment is a multi-layer composite shaped charge 303, which comprises an outer layer cover with a thickness of 0.5 mm, an intermediate layer cover with a thickness of 1 mm and an inner layer cover with a thickness of 1.5 mm, each layer is connected by laser welding, the intermediate layer cover is located between the inner layer and the outer layer and plays a transition role to improve the stability of the jet; the outer layer cover is located at the outermost side to form a jet head and improve the initial speed of the jet; the outer layer cover is usually made of materials with low density and good plasticity, such as aluminum and magnesium alloy, which can form a stable jet head and help to improve the initial speed of the jet; the intermediate layer cover material can be selected from materials with moderate density and good plasticity, such as copper or copper alloy, which helps to improve the overall quality and stability of the jet; the inner layer material uses high-density materials such as tungsten alloy and tantalum to increase the penetration of the jet; the density of each layer of material gradually increases along the thickness direction, so that the shaped charge 303 forms a gradient material structure. The inner layer cover is in close contact with the explosive 302 and is responsible for converting explosive energy into high-speed jet; when the explosive 302 is detonated, the energy generated by the explosion first acts on the inner layer cover, causing the inner layer cover to rapidly deform and form a high-speed jet, and the intermediate layer cover and the outer layer cover subsequently participate in the formation process of the jet, and through their respective characteristics, they jointly act on the jet to improve the speed, stability and penetration of the jet.

[0028] In this embodiment, the protective sleeve 301 can be configured as a double-layer structure. The outer layer is made of a high-density polymer, such as polyurethane or polycarbonate, which has good energy absorption performance and flame retardancy. The inner layer is an elastic layer made of rubber or special composite materials to increase the elasticity of the protective sleeve 301 so as to better absorb the explosion energy.

[0029] The detonation end of the fuse system penetrates from the rear side of the protective cover 2 into the interior of the protective cover 2 and is connected to the shaped charge cutting cable 3. The fuse system includes an initiator and an electronic detonator. The initiator is connected to the electronic detonator through an initiation cable. One end of the electronic detonator penetrates into the interior of the protective cover 301 and contacts the explosive 302.

[0030] The device also includes a support frame, which includes a frame 1 and a telescopic support rod 5. The life detection device 6 is located inside the frame 1. The support rod 5 is symmetrically hinged with diagonal braces 7 on both sides to improve the stability of the entire device when it is fixed. The support rod 5 is hinged to the frame 1. Each corner on the outside of the frame 1 is provided with a snap-fit ​​corner plate 4 for installing the protective cover 2.

[0031] Example 2

[0032] like Figure 4 As shown, the difference between this embodiment and Embodiment 1 is that the outer and middle layers are porous structures, meaning both the outer and middle layers have jet holes 8. Specifically, the outer layer has a porosity of 20%, the middle layer has a porosity of 10%, the pore diameter of the outer layer is 0.5 mm, and the pore diameter of the middle layer is 0.3 mm. Using a porous structure in the outer or middle layer reduces material usage and the weight of the propellant liner 303, while controlling jet formation through variations in the pore structure.

[0033] Example 3

[0034] The difference between this embodiment and Embodiments 1 and 2 is that the outer surface of the shaped charge shroud 303 is uniformly provided with micro- or nano-scale microgrooves or micropores. Specifically, the design and layout are as follows: the microgroove width is 20 micrometers, the microgroove depth is 10 micrometers, and the microgroove spacing is 30 micrometers. This can improve the stability of the jet and reduce jet dispersion.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An emergency rescue shaped charge device with life detection function, characterized in that, The life detection device is arranged on the inner side or the outer side of the shaped charge cutting device body, the shaped charge cutting device body comprises a protective cover, a shaped charge cutting cable and a fuze system, the shaped charge cutting cable is embedded in the front side of the protective cover, and the detonation end of the fuze system penetrates the rear side of the protective cover to the inside of the protective cover and is connected with the shaped charge cutting cable. The shaped charge cutting cable comprises a protective sleeve, an explosive and a shaped charge, the shaped charge is clamped at the open end of the protective sleeve, and the explosive is arranged between the shaped charge and the protective sleeve; the shaped charge is a multilayer composite shaped charge, the multilayer composite shaped charge comprises an outer layer, an intermediate layer and an inner layer, the layers are connected through laser welding, and the outer layer and the intermediate layer are porous structures. The outer layer and the intermediate layer are provided with jet holes, and the jet holes on the outer layer and the intermediate layer are arranged alternately. The protective sleeve is a double-layer structure, the outer layer is a high-density polymer layer, and the inner layer is an elastic layer.

2. The emergency rescue focused cutting device with life detection function according to claim 1, characterized in that, The fuze system comprises a detonator and an electronic detonator, the detonator is connected with the electronic detonator through a detonation cable, and one end of the electronic detonator penetrates to the inside of the protective sleeve and is in contact with the explosive.

3. The emergency rescue focused cutting device with life detection function according to claim 1, characterized in that, Further comprising a support frame, the support frame comprises a frame and a telescopic support rod, the support rod is hinged to the frame, and each corner of the outer side of the frame is provided with a clamping corner plate for mounting the protective cover.

4. The emergency rescue focused cutting device with life detection function according to claim 1, characterized in that, The outer layer is made of aluminum or magnesium alloy material, the intermediate layer is made of copper or copper alloy material, and the inner layer is made of tantalum or tungsten alloy material.

5. The emergency rescue focused cutting device with life detection function according to claim 1, characterized in that, The surface of the shaped charge is provided with microgrooves or micropores.

6. The emergency rescue focused cutting device with life detection function according to claim 1, characterized in that, The life detection device is an acoustic life detector or a radar life detector.

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