Double-layer protection missile body fragment cabin and method

Abstract

The invention discloses a double-layer protection missile body fragment cabin and method, equipment comprises a target, a protection cabin and a balance gun, a first-layer protection inner cabin body and a second-layer protection outer cabin body which are provided with reflection horn mouths are adopted, missile body fragments can be prevented from splashing out of the cabin, and a trajectory for observing the operation explosion of a missile body in the protection inner cabin body is provided. The trajectory of fragment splashing of the projectile body penetrating through the first layer of the protective inner cabin body in the protective outer cabin body and the moving trajectory of the projectile body entering the protective outer cabin body are observed, and high-speed video data are provided for projectile body explosion fragment splashing analysis. Based on the fragment cabin and the method, the safety defect of accidents in the prior art is overcome, the safety of testers and important instruments is ensured, the safety of projectile explosion test work is improved, and heavy loss is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of bulletproof cabins, and in particular to a bulletproof fragment cabin and a method. Background Art

[0002] When the projectile is fired at the target, the projectile will break and produce projectile fragments, which will splash outside the test area, possibly causing casualties to test personnel and damage to important instruments. The existing technology uses steel plates to surround the target, which has defects due to the large destructive power of projectile fragments. During the test, some projectile fragments will penetrate the steel plates and splash outside the cabin, which may cause harm to personnel and instruments. Therefore, a safe method of preventing projectile fragments from splashing is needed. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a bullet-proof fragmentation cabin and method, which can prevent bullet fragments from splashing outside the cabin and ensure the safety of test personnel and important instruments.

[0004] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme: A double-layer bulletproof body fragment cabin comprises: a first-layer protective inner cabin body 2, a second-layer protective outer cabin body 1, a target base 3, a target body 4, and a rammed foundation 9, on which the target base 3 is fixed, and the target base 3 is cast into an L-shaped structure with a cross section by reinforced concrete, and the L-shaped structure is composed of a column and a horizontal step, on which the target body 4 is fixed, and the target body 4 is externally provided with a first-layer protective inner cabin body 2 for projectile explosion and projectile fragment splashing, and the bottom end of the protective inner cabin body 2 is fixed on the horizontal step 8 of the target base, and the top and both sides of the protective inner cabin body 2 are respectively fixedly connected to the column surface of the target base 3, and the target body is circular. An inner cabin reflection trumpet 7 is built into the ballistic end of the first-layer protective inner cabin body 2 opposite to the center 5; a second-layer protective outer cabin body 1 is arranged outside the first-layer protective inner cabin body 2 to prevent the fragments of the bullet-proof body from exploding and passing through the first-layer protective inner cabin body; the bottom end of the second-layer protective outer cabin body 1 is fixed on a rammed foundation 9, and the top and both sides of the second-layer protective outer cabin body 1 are respectively fixedly connected to the top and both sides of the target base 3; an outer cabin reflection trumpet 6 is built into the ballistic end of the protective outer cabin body 1 opposite to the target body center 5; the center of the outer cabin reflection trumpet 6 is concentric with the center of the inner cabin reflection trumpet 7 and the target body center 5.

[0005] A double-layer bulletproof fragment cabin, wherein the first-layer protective inner cabin body 2 is a rectangular box structure with a reflective bell mouth, and the side bell mouth 18 of the first-layer protective inner cabin body 2 is provided with a bell channel 17 directly connected to the side port 10 of the second-layer protective outer cabin body 1.

[0006] A double-layer bulletproof fragmentation cabin, wherein the inner cabin side port 13 of the protective inner cabin body 2 is provided with an inner cabin lens for observing the explosion and operation of the projectile, and the inner cabin lens is directly connected to the side port 10 of the second layer of the protective outer cabin body 1 through a channel 12.

[0007] A double-layer bulletproof fragment cabin, wherein the second-layer protective outer cabin body 1 is a rectangular box structure with a reflective horn, a notch protection with a target base horizontal step is arranged at the bottom of the protective outer cabin body 1, an outer cabin top port 14 of the protective outer cabin body 1 is arranged with an outer cabin high-speed camera 15 for observing the explosion trajectory of the projectile and the splashing movement of projectile fragments passing through the first-layer protective inner shell body; and a side port 10 of the protective outer cabin body 1 is arranged with an inner cabin high-speed camera 11 for observing the explosion movement of the projectile in the first-layer protective inner cabin body 2.

[0008] A double-layer bulletproof fragment cabin, wherein the target body is a multi-ring circular plate body, and the center of the target body is a ten-ring.

[0009] A double-layer bulletproof body fragment compartment method, including a double-layer bulletproof body fragment compartment manufacturing method and a bulletproof body fragment splashing method: (1) A method for manufacturing a double-layer bulletproof body fragment compartment, the steps of which are as follows: a. First, a target base 3 is produced, the cross section of the target base 3 is an "L"-shaped structure, and the target base 3 is fixed on the compacted foundation 9; the target body 4 is fixed to the center of the column in the corner of the target base 3 "L"-shaped structure; b. Make the first layer of protective inner shell 2. The first layer of protective inner shell 2 is a rectangular open box with a reflective horn. The rectangular open box is installed on the horizontal step 8 of the "L"-shaped structure. The rectangular open box mouth contacts the inner column surface of the "L"-shaped structure corner and is fixedly connected. The opposite end surface of the rectangular open box mouth is provided with a ballistic mouth, and the first reflective horn 7 is installed in the ballistic mouth. The horn 18 at the side end of the first layer of protective inner cabin 2 is provided with a horn channel 17 directly connected to the side port 10 of the second layer of protective outer cabin 1. c. Then make the second layer of protective outer cabin 1, which is a rectangular open box with a reflective horn, installed on the rammed foundation 9, and the caliber of the rectangular open box is in contact with the column surface of the "L"-shaped structure, and fixedly connected; the opposite end surface of the rectangular open box is provided with a ballistic opening, and the second reflective horn 6 is installed in the ballistic opening; the top port 14 of the rectangular open box shell is provided with a first high-speed camera 15 of the outer cabin for observing the explosion trajectory of the projectile and the splashing movement of the projectile fragments passing through the first layer of protective inner shell; the side port 10 of the protective outer cabin 1 is provided with a second high-speed camera 11 for observing the explosion movement of the projectile in the first layer of protective inner cabin 2; the bottom of the protective outer cabin 1 is provided with a notch connected to the horizontal step of the target base; (2) The method for preventing bullet-proof body fragments from splashing is as follows: a. When the warhead 16 is launched out of the trajectory, the detector detects the time when the warhead leaves the barrel; b. When the warhead enters the outer cabin, the first high-speed camera 15 of the outer cabin captures the entry time; c. When the warhead enters the inner cabin, the second high-speed camera 11 in the outer cabin captures the entry time through the straight-through speaker channel 17 and the speaker port 18 at the side end of the protective inner cabin 2; d. When the warhead hits the center of the target, the second high-speed camera in the outer cabin captures the time of the warhead 16 hitting the target; e. After the warhead 16 hits the target, it explodes instantly, and the projectile fragments fly everywhere. The inner cabin first blocks the projectile fragments from flying everywhere, and at the same time, the second high-speed camera 11 in the outer cabin captures the trajectory and time of the projectile fragments flying to the inner cabin wall after the warhead hits and explodes; wherein the first bell mouth provided in the inner cabin has the function of preventing the projectile fragments that bounce back from the projectile fragments hitting the inner cabin wall from splashing out from the ballistic entrance of the inner cabin; f. When the projectile fragments splash and hit the inner cabin wall, the outer cabin prevents the projectile fragments from splashing for the second time. At the same time, the first high-speed camera 15 in the outer cabin captures the trajectory and time of the projectile fragments splashing through the inner cabin wall and entering the outer cabin wall; the second trumpet mouth arranged in the outer cabin has the function of preventing the projectile fragments that are rebounded by the projectile fragments hitting the outer cabin wall from splashing out from the ballistic entrance of the outer cabin, so as to avoid the splashing projectile fragments from injuring the test personnel and instruments.

[0010] Due to the adoption of the above-mentioned technical solution, the present invention has the following advantages: A double-layer bulletproof fragment cabin and method, which uses a double-layer protective inner cabin with a first layer of reflective horn and a second layer of protective outer cabin, can prevent projectile fragments from splashing outside the cabin, and has the function of observing the trajectory of the projectile running and exploding in the protective inner cabin. The trajectory of the projectile fragments splashing through the first layer of the protective inner cabin in the protective outer cabin and the trajectory of the projectile entering the protective outer cabin are observed, and high-speed video data is provided for the analysis of the projectile explosion fragment splashing. The safety defects of the prior art that may occur unexpectedly are overcome, and the safety of test personnel and important instruments is ensured. The safety of projectile explosion test work is improved, and the occurrence of major losses is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of a double-layer bulletproof body fragment compartment; Figure 2 This is a schematic diagram of the bull's eye structure inside the fragment compartment of the double-layer bulletproof body of the warhead; Figure 3 This is a schematic diagram of the installation structure of the dual-camera protection inner and outer cabins of Example 1; Figure 4 This is a schematic diagram of the dual-camera protection inner and outer cabin installation structure of Example 2.

[0012] In the figure: protective outer cabin body 1, protective inner cabin body 2, target base 3, target body 4, target body center 5, outer cabin reflection trumpet mouth 6, inner cabin reflection trumpet mouth 7, horizontal step 8, compacted foundation 9, inner cabin side port 10, outer cabin second high-speed camera 11, channel 12, lens 13, outer cabin top port 14, outer cabin high-speed camera 15, warhead 16, trumpet channel 17, side end trumpet mouth 18. DETAILED DESCRIPTION

[0013] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments: Example 1

[0014] like Figure 1 , 2 As shown in Figure 3, a double-layer bulletproof fragment cabin comprises: a first-layer protective inner cabin body 2, a second-layer protective outer cabin body 1, a target base 3, a target body 4, and a rammed foundation 9, on which the target base 3 is fixed, and the target base is cast into an L-shaped structure by concrete casting of columns and horizontal step steel bars, on which the target body 4 is fixed, and outside the target body is provided with a first-layer protective inner cabin body 2 for projectile explosion and projectile fragment splashing, the bottom end of the protective inner cabin body 2 is fixed on the horizontal step 8 of the target base, and the top and both sides of the protective inner cabin body 2 are respectively fixedly connected to the column surface of the target base, and the target body 4 is fixed to the target body. The first layer of the protective inner shell ballistic end opposite to the target body center 5 is built with an inner cabin reflection trumpet 7; the protective inner cabin body 2 is provided with a second layer of protective outer cabin body 1 for projectile fragments of the bullet-proof body to pass through the first layer of protective inner cabin body, the bottom end of the protective outer cabin body 1 is fixed on a rammed foundation 9, and the top and both sides of the protective outer cabin body 1 are respectively fixedly connected to the top and both sides of the target base 3; the ballistic end of the protective outer cabin body 1 opposite to the target body center 5 is built with an outer cabin reflection trumpet 6; the center of the outer cabin reflection trumpet 6 is concentric with the center of the inner cabin reflection trumpet 7 and the target body center 5. The target body is a multi-ring circular plate body, and the target body center is a ten-ring.

[0015] The first layer of the protective inner cabin body 2 is a rectangular box structure with a reflective bell mouth, and the side bell mouth 18 of the first layer of the protective inner cabin body 2 is provided with a bell channel 17 directly connected to the side port 10 of the second layer of the protective outer cabin body 1.

[0016] The second-layer protective outer cabin body 1 is a rectangular box structure with a reflective horn mouth, and a notch protection of a target base horizontal step is arranged at the bottom of the protective outer cabin body 1, and an outer cabin top port 14 of the protective outer cabin body 1 is provided with an outer cabin high-speed camera 15 for observing the explosion trajectory of the projectile and the splashing movement of projectile fragments passing through the first-layer protective inner cabin body; the side port 10 of the protective outer cabin body 1 is provided with an inner cabin high-speed camera 11 for observing the explosion movement of the projectile in the first-layer protective inner cabin body 2.

[0017] A double-layer bulletproof body fragment compartment method, characterized by comprising: a double-layer bulletproof body fragment compartment manufacturing method and a bulletproof body fragment splashing method; 1) A method for manufacturing a double-layer bulletproof body fragment compartment, the steps of which are as follows: a. First, a target base 3 is produced, the cross section of the target base 3 is an "L"-shaped structure, and the target base 3 is fixed on the compacted foundation 9; the target body 4 is fixed to the center of the column in the corner of the target base 3 "L"-shaped structure; b. Make the first layer of protective inner shell 2. The first layer of protective inner shell 2 is a rectangular open box with a reflective horn. The rectangular open box is installed on the horizontal step 8 of the "L"-shaped structure. The rectangular open box mouth contacts the inner column surface of the "L"-shaped structure corner and is fixedly connected. The opposite end surface of the rectangular open box mouth is provided with a ballistic mouth, and the first reflective horn 7 is installed in the ballistic mouth. The horn 18 at the side end of the first layer of protective inner cabin 2 is provided with a horn channel 17 directly connected to the side port 10 of the second layer of protective outer cabin 1. c. Then make the second layer of protective outer cabin 1, which is a rectangular open box with a reflective horn, installed on the rammed foundation 9, and the caliber of the rectangular open box is in contact with the column surface of the "L"-shaped structure, and fixedly connected; the opposite end surface of the rectangular open box is provided with a ballistic opening, and the second reflective horn 6 is installed in the ballistic opening; the top port 14 of the rectangular open box shell is provided with a first high-speed camera 15 of the outer cabin for observing the explosion trajectory of the projectile and the splashing movement of the projectile fragments passing through the first layer of protective inner shell; the side port 10 of the protective outer cabin 1 is provided with a second high-speed camera 11 for observing the explosion movement of the projectile in the first layer of protective inner cabin 2; the bottom of the protective outer cabin 1 is provided with a notch connected to the horizontal step of the target base; 2) The method of preventing bullet-proof body fragments from splashing is as follows: a. When the warhead 16 is launched out of the trajectory, the detector detects the time when the warhead leaves the barrel; b. When the warhead enters the outer cabin, the first high-speed camera 15 of the outer cabin captures the entry time; c. When the warhead enters the inner cabin, the second high-speed camera 11 in the outer cabin captures the entry time through the straight-through speaker channel 17 and the speaker port 18 at the side end of the protective inner cabin 2; d. When the warhead hits the center of the target, the second high-speed camera in the outer cabin captures the time of the warhead 16 hitting the target; e. After the warhead 16 hits the target, it explodes instantly, and the projectile fragments fly everywhere. The inner cabin first blocks the projectile fragments from flying everywhere, and at the same time, the second high-speed camera 11 in the outer cabin captures the trajectory and time of the projectile fragments flying to the inner cabin wall after the warhead hits and explodes; wherein the first bell mouth provided in the inner cabin has the function of preventing the projectile fragments that bounce back from the projectile fragments hitting the inner cabin wall from splashing out from the ballistic entrance of the inner cabin; f. When the projectile fragments splash and hit the inner cabin wall, the outer cabin prevents the projectile fragments from splashing for the second time. At the same time, the first high-speed camera 15 in the outer cabin captures the trajectory and time of the projectile fragments splashing through the inner cabin wall and entering the outer cabin wall; the second trumpet mouth arranged in the outer cabin has the function of preventing the projectile fragments that are rebounded by the projectile fragments hitting the outer cabin wall from splashing out from the ballistic entrance of the outer cabin, so as to avoid the splashing projectile fragments from injuring the test personnel and instruments. Example 2

[0018] like Figure 1 , 2 As shown in Figure 4, a double-layer bulletproof body fragment cabin, the inner cabin side port 13 of the protective inner cabin body 2 is provided with an inner cabin lens for observing the explosion and operation of the projectile, and the inner cabin lens is directly connected to the side port 10 of the second layer of the protective outer cabin body 1 through the channel 12. The inner cabin lens is a convex lens, and the convex lens and the eyepiece at the other end of the channel 12 form a clarity adjustment lens. The second high-speed camera 11 in the outer cabin is used to capture the trajectory and time of the projectile fragments splashing to the inner cabin wall when the bullet hits and explodes.

Claims

1. A double-layer bulletproof body fragment compartment, characterized by: include: The first layer of the protective inner cabin 2, the second layer of the protective outer cabin 1, the target base 3, the target body 4, and the rammed foundation 9, the target base 3 is fixed on the rammed foundation 9, the target base 3 is cast into an L-shaped structure with a cross section by reinforced concrete, and the L-shaped structure is composed of a column and a horizontal step, and the target body 4 is fixed on the column, and the target body 4 is externally provided with a projectile explosion projectile fragment splashing the first layer of the protective inner cabin 2, the bottom end of the protective inner cabin 2 is fixed on the horizontal step 8 of the target base, the top and both sides of the protective inner cabin 2 are respectively fixedly connected to the column surface of the target base 3, and the first layer opposite to the center 5 of the target body is fixedly connected to the target base 3. The ballistic end of the protective inner cabin body 2 of the first layer is provided with an inner cabin reflection trumpet 7; the first layer of the protective inner cabin body 2 is provided with a second layer of the protective outer cabin body 1 outside the bulletproof body explosion fragments through the first layer of the protective inner cabin body, the bottom end of the second layer of the protective outer cabin body 1 is fixed on the rammed foundation 9, and the top and both sides of the second layer of the protective outer cabin body 1 are respectively fixedly connected to the top and both sides of the target base 3; the ballistic end of the protective outer cabin body 1 opposite to the target body center 5 is provided with an outer cabin reflection trumpet 6; the center of the outer cabin reflection trumpet 6 is concentric with the center of the inner cabin reflection trumpet 7 and the center of the target body 5.

2. A double-layer bulletproof body fragment compartment, characterized by: The first layer of the protective inner cabin body 2 is a rectangular box structure with a reflective bell mouth, and the side bell mouth 18 of the first layer of the protective inner cabin body 2 is provided with a bell channel 17 directly connected to the side port 10 of the second layer of the protective outer cabin body 1.

3. A double-layer bulletproof body fragment compartment, characterized by: The inner cabin side port 13 of the protective inner cabin body 2 is provided with an inner cabin lens for observing the explosion and operation of the projectile, and the inner cabin lens is directly connected to the side port 10 of the second layer of the protective outer cabin body 1 through a channel 12 .

4. A double-layer bulletproof body fragment compartment, characterized by: The second-layer protective outer cabin body 1 is a rectangular box structure with a reflective horn mouth, and a notch protection of a target base horizontal step is arranged at the bottom of the protective outer cabin body 1, and an outer cabin top port 14 of the protective outer cabin body 1 is provided with an outer cabin high-speed camera 15 for observing the explosion trajectory of the projectile and the splashing movement of projectile fragments passing through the first-layer protective inner cabin body; the side port 10 of the protective outer cabin body 1 is provided with an inner cabin high-speed camera 11 for observing the explosion movement of the projectile in the first-layer protective inner cabin body 2.

5. A double-layer bulletproof body fragment compartment, characterized by: The target body is a multi-ring circular plate body, and the center of the target body is ten rings.

6. A double-layer bulletproof body fragment compartment method, characterized by: Double-layer bulletproof body fragment compartment manufacturing method and bulletproof body fragment splashing method: (1) A method for manufacturing a double-layer bulletproof body fragment compartment, the steps of which are as follows: a. First, the target base 3 is produced, the cross section of the target base 3 is an "L" shaped structure, and the target base 3 is fixed to the compacted foundation 9; the target body 4 is fixed to the center of the column in the corner of the target base 3 "L" shaped structure; b. Make the first layer of protective inner shell 2. The first layer of protective inner shell 2 is a rectangular open box with a reflective horn. The rectangular open box is installed on the horizontal step 8 of the "L"-shaped structure. The rectangular open box mouth contacts the inner column surface of the "L"-shaped structure and is fixedly connected. The opposite end surface of the rectangular open box mouth is provided with a ballistic opening, and the first reflective horn 7 is installed in the ballistic opening. The horn 18 at the side end of the first layer of protective inner cabin 2 is provided with a horn channel 17 directly connected to the side port 10 of the second layer of protective outer cabin 1. c. Then, a second-layer protective outer cabin 1 is made. The protective outer cabin 1 is a rectangular open box with a reflective horn. The rectangular open box is installed on a compacted foundation 9. The caliber of the rectangular open box corresponds to the column surface of the "L"-shaped structure and is fixedly connected. A ballistic opening is opened on the opposite end surface of the rectangular open box, and a second reflective horn 6 is installed in the ballistic opening. The top port 14 of the rectangular open box shell is installed with a first high-speed camera 15 of the outer cabin for observing the explosion trajectory of the projectile and the splashing of projectile fragments passing through the first-layer protective inner shell. The side port 10 of the protective outer cabin 1 is provided with a second high-speed camera 11 for observing the explosion of the projectile in the first-layer protective inner cabin 2. The bottom of the protective outer cabin 1 is provided with a notch connected to the horizontal step of the target base. (2) The method for preventing bullet-proof body fragments from splashing is as follows: a. When the warhead 16 is launched out of the trajectory, the detector detects the time when the warhead leaves the barrel; b. When the warhead enters the outer cabin, the first high-speed camera 15 of the outer cabin captures the entry time; c. When the warhead enters the inner cabin, the second high-speed camera 11 in the outer cabin captures the entry time through the straight-through speaker channel 17 and the speaker port 18 at the side end of the protective inner cabin 2; d. When the warhead hits the center of the target, the second high-speed camera in the outer cabin captures the time of the warhead 16 hitting the target; e. When the warhead 16 hits the target, it explodes instantly, and the projectile fragments fly everywhere. The inner cabin stops the projectile fragments from flying everywhere for the first time. At the same time, the second high-speed camera 11 in the outer cabin captures the trajectory and time of the projectile fragments flying to the inner cabin wall after the warhead hits and explodes; The first bell mouth provided in the inner cabin has the function of preventing the projectile fragments that are splashed and hit the inner cabin wall and rebound from being splashed out from the ballistic entrance of the inner cabin; f. When the projectile fragments splash and hit the inner cabin wall, the outer cabin prevents the projectile fragments from splashing for the second time. At the same time, the first high-speed camera 15 in the outer cabin captures the trajectory and time of the projectile fragments splashing through the inner cabin wall and entering the outer cabin wall; the second trumpet mouth arranged in the outer cabin has the function of preventing the projectile fragments that are rebounded by the projectile fragments hitting the outer cabin wall from splashing out from the ballistic entrance of the outer cabin, so as to avoid the splashing projectile fragments from injuring the test personnel and instruments.

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