Storage format fragment collection device

Abstract

This invention relates to the field of testing equipment technology, and discloses a storage-type fragment collection device to improve resource utilization and accurately determine the location of fragment scattering. The device includes: a collection box with an internal rectangular cavity and no top cover; water filled in the collection box; storage compartments divided into grid-like cavities, including a frame and a hanging ring, with the hanging ring located above the frame; the bottom of each cavity gradually decreases from front to back; the frame is a tubular structure without end caps at the front and back, so that in the fragment collection state, it is submerged in the water in the collection box and adheres to the inner wall of the collection box on the left, right, front, and bottom sides; a mesh that engages with a slot at the rear of the storage compartment frame, adhering to the storage compartment in the fragment collection state and separating from the storage compartment during fragment counting.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, and in particular to a storage-format fragment collection device. Background Technology

[0002] Fragmentation collection involves collecting high-speed fragments from a detonated, shelled explosive. These fragments are slowed down by a medium. After collection, the fragments can be analyzed for mass distribution and formation properties. This process is primarily used for explosive optimization design, performance evaluation, and research on the fragmentation properties of shell materials. It has significant applications in the study of naturally occurring and semi-pre-formed fragmentation shells.

[0003] Fragment collection typically employs methods such as water (sand) pit collection, water (sand) tank collection, or fiberboard collection.

[0004] The water (sand) pit collection method involves injecting water (or fine sand) into a pit or hole on the ground as a decelerating medium for the fragments, then burying the explosive with its casing inside the medium, and finally sifting out the fragments after detonation. This method is usually used for explosives with relatively low explosive power.

[0005] The water (sand) box collection method involves placing the explosive with a casing on the ground, and then placing water (sand) boxes around the explosive with a casing in a certain arrangement. After detonation, the fragments fly into the water (sand) box, which serves the purpose of fragment recovery. This method is usually used for explosives with a large explosive power.

[0006] The fiberboard collection method uses thick fiberboard as a deceleration medium to replace water or sand.

[0007] Of the three methods mentioned above, when using water or fine sand as a deceleration medium, only fragments can usually be collected, but the dispersion direction of the fragments cannot be determined to trace their original location on the shelled explosive. Using thick fiberboard can determine the dispersion direction of the fragments, but the fragment removal process is more complex and may result in secondary breakage of the fragments during removal, affecting the fragment mass distribution; moreover, fiberboard is expensive and cannot meet the requirements for high-efficiency large-scale application with multiple tests.

[0008] To solve the above problems, it is necessary to study a fragment collection device that can determine the location of fragment scattering while being simple, convenient, low-cost, and reusable. Summary of the Invention

[0009] The purpose of this invention is to disclose a storage-format fragment collection device to improve resource utilization and accurately determine the location of fragment scattering.

[0010] To achieve the above objectives, the storage-format fragment collection device disclosed in this invention includes:

[0011] A recycling bin with an internal rectangular cavity and no top cover;

[0012] Water filling the recycling bin;

[0013] The storage compartment is divided into grid-like cavities, including a frame and a hanging ring, with the hanging ring located above the frame; the bottom of each cavity gradually changes from front to back in a downward trend; the frame is a tubular structure without end caps at the front and back, so that it can be submerged underwater in the recovery tank and fit against the inner wall of the recovery tank on the left, right, front, and bottom sides in the fragment collection state.

[0014] The mesh mesh, which works in conjunction with the slot at the back of the storage compartment frame, adheres to the storage compartment during fragment collection and separates from the storage compartment during fragment counting.

[0015] Preferably, the bottom surface of each cavity is an inclined plane at a 1° to 3° angle to the horizontal plane.

[0016] Alternatively, the hanging ring can be fixed to the storage compartment frame by means of threads and threaded holes.

[0017] Preferably, a drain outlet connected to a valve-controlled drain pipe is provided at the rear lower part of the recycling bin.

[0018] Preferably, the recycling bin adopts a plug-in structure that facilitates the replacement of the front end.

[0019] The present invention has the following beneficial effects:

[0020] On the one hand, by dividing the storage compartments into an array, the initial position of fragments in each compartment on the shelled explosive can be traced, allowing for the distribution of the number, size, and mass of fragments generated after the shelled explosive detonates. On the other hand, after the storage compartments are lifted out, the resource utilization rate of the recovery box can be improved by replacing the front face of the recovery box and / or by sealing the puncture holes with tape. Simultaneously, during fragment collection, the storage compartments suffer minimal damage from water, allowing for multiple reuses. Furthermore, the bottom of the cavity gradually slopes from front to back, allowing for drainage as the storage compartments are lifted out. The mesh screen effectively prevents fragments collected in each cavity from falling or mixing. During subsequent fragment counting, the mesh screen can be separated from the storage compartments to ensure ease of counting. Therefore, the fragment collection device disclosed in this invention is simple and convenient to operate, has high resource utilization, and is low in cost.

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0023] Figure 1 This is a schematic diagram of the fragment recovery device.

[0024] Figure 2 This is a schematic diagram of the recycling bin structure.

[0025] Figure 3 This is a schematic diagram of the storage compartment structure.

[0026] Figure 4 This is a schematic diagram of the lifting ring structure.

[0027] Figure 5 This is a schematic diagram of the mesh structure.

[0028] [Attached Labels]: 1. Recycling bin; 2. Storage compartment; 2.1. Frame; 2.2. Hanging ring; 3. Mesh; 3.1. Frame; 3.2. Diamond mesh; 4. Water. Detailed Implementation

[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0030] Example 1

[0031] This embodiment discloses a storage-format fragment collection device, referring to... Figure 1 The system includes a recycling bin 1, a storage compartment 2, a mesh screen 3, and water 4. The storage compartment 2 is equipped with a hanging ring 2.2 and is placed inside the front of the recycling bin 1, fitting against the inner wall of the recycling bin 1. The mesh screen 3 is installed inside the rear of the recycling bin 1, fitting against the storage compartment 2. Water 4 fills the recycling bin 1, submerging the storage compartment 2 and the mesh screen 3.

[0032] like Figure 2 As shown, the recycling bin 1 is a hollow, lidless box structure with a cuboid cavity inside. Furthermore, a drain outlet connected to a valve-controlled drain pipe can be provided at the lower rear of the recycling bin 1.

[0033] like Figure 3 As shown, storage compartment 2 includes a frame 2.1 and a hanging ring 2.2; the frame 2.1 is generally rectangular, with a mesh-like cavity inside. The front end of the cavity is slightly higher than the rear end, forming an angle of 1° with the horizontal plane. The frame is a rectangular tubular structure without end caps at both ends. The frame 2.1 has two symmetrically arranged threaded holes; the hanging ring 2.2 has the following structure... Figure 4 As shown, the upper part of the lifting ring 2.2 is a circular ring, and the lower part is threaded, which connects and engages with the threaded hole on the frame 2.1 through the thread.

[0034] like Figure 5 As shown, the mesh 3 includes a frame 3.1 and a diamond mesh 3.2; the frame 3.1 is a flat square tubular structure, and the diamond mesh 3.2 is set in the middle of the frame.

[0035] Water 4 is filled into the recycling bin.

[0036] The implementation principle of this embodiment is as follows: When the fragment recovery device faces the explosive device with a casing, and collects fragments generated by the explosion of the explosive device with a casing, firstly, the fragments located in the area connected to the fragment recovery device and the explosive device with a casing will move along their dispersion direction and impact the recovery box 1. After penetrating the recovery box 1, the fragments stop moving under the action of water 4 and remain in the storage compartment 2. Then, when the storage compartment 2 is removed after detonation, the front section of the grid-like cavity structure inside the frame 2.1 of the storage compartment 2 is slightly higher than the rear section, and a mesh 3 is placed at the rear. This will retain the fragments in each compartment while draining the water 4 from the storage compartment 2. Finally, the number, size, and mass of fragments in each compartment of the storage compartment are counted. Then, based on the orientation of the line connecting each compartment of the storage compartment to the detonation center of the explosive device with a casing, the distribution of the number, size, and mass of fragments in each direction during the detonation of the explosive device with a casing can be determined.

[0037] Therefore, based on the above-mentioned storage format fragment collection device, the corresponding test method includes the following steps:

[0038] 1. First, install the fragment collection device in the storage compartment, fill the collection box with water, and ensure that the collection box, storage compartment, and screen are in close contact with each other and face directly towards the detonation center of the explosive device with casing.

[0039] 2. Detonate the explosive device with casing. The fragments impact the fragment recovery device at a certain speed and penetrate the front of the recovery box to enter the recovery box. Then, due to the obstruction of water, the fragments gradually stop moving and remain in the storage compartment.

[0040] 3. Take out the storage compartments and count the number, size, and mass of fragments in each compartment. Then, determine the distribution of the number, size, and mass of fragments in each direction when the explosive device with a casing is detonated based on the direction of the line connecting each compartment to the detonation center of the explosive device with a casing.

[0041] 4. Seal the hole punctured by the fragment on the recycling bin with tape, refill with water, and repeat the above steps for the next test. If the recycling bin uses a plug-in design for easy replacement of the front end, replace the front end if it cannot be reused using tape.

[0042] In summary, the storage-type fragment collection device disclosed in this embodiment includes: a collection box with an internal rectangular cavity and no top cover; water filled in the collection box; storage compartments divided into grid-like cavities, including a frame and a hanging ring, with the hanging ring located above the frame; the bottom of each cavity gradually decreases from front to back; the frame is a tubular structure without end caps at the front and back, so that in the fragment collection state, it is submerged in the water in the collection box and adheres to the inner wall of the collection box on the left, right, front, and bottom sides; a mesh that cooperates with the slot at the rear of the storage compartment frame, so that it adheres to the storage compartment in the fragment collection state and separates from the storage compartment during fragment counting. It has at least the following beneficial effects:

[0043] On the one hand, by dividing the storage compartments into an array, the initial position of fragments in each compartment on the shelled explosive can be traced, allowing for the distribution of the number, size, and mass of fragments generated after the shelled explosive detonates. On the other hand, after the storage compartments are lifted out, the resource utilization rate of the recovery box can be improved by replacing the front face of the recovery box and / or by sealing the puncture holes with tape. Simultaneously, during fragment collection, the storage compartments suffer minimal damage from water, allowing for multiple reuses. Furthermore, the bottom of the cavity gradually slopes from front to back, allowing for drainage as the storage compartments are lifted out. The mesh screen effectively prevents fragments collected in each cavity from falling or mixing. During subsequent fragment counting, the mesh screen can be separated from the storage compartments to ensure ease of counting. Therefore, the fragment collection device disclosed in this invention is simple and convenient to operate, has high resource utilization, and is low in cost.

[0044] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A storage-format fragment collection device, characterized in that, include: A recycling bin with an internal rectangular cavity and no top cover; Water filling the recycling bin; The storage compartment is divided into grid-like cavities, including a frame and a hanging ring, with the hanging ring located above the frame; the bottom of each cavity gradually changes from front to back in a downward trend; the frame is a tubular structure without end caps at the front and back, so that it can be submerged underwater in the recovery tank and fit against the inner wall of the recovery tank on the left, right, front, and bottom sides in the fragment collection state. The mesh mesh, which works in conjunction with the slot at the back of the storage compartment frame, adheres to the storage compartment during fragment collection and separates from the storage compartment during fragment counting.

2. The storage-format fragment collection device according to claim 1, characterized in that, The bottom surface of each cavity is an inclined plane at a 1° to 3° angle to the horizontal plane.

3. The storage-format fragment collection device according to claim 1 or 2, characterized in that, The hanging ring is fixed to the storage compartment frame by threads and threaded holes.

4. The storage-format fragment collection device according to claim 1 or 2, characterized in that, A drain outlet connected to a valve-controlled drain pipe is located at the lower rear of the recycling bin.

5. The storage-format fragment collection device according to claim 3, characterized in that, A drain outlet connected to a valve-controlled drain pipe is located at the lower rear of the recycling bin.

6. The storage-format fragment collection device according to claim 1 or 2, characterized in that, The recycling bin adopts a plug-in structure that facilitates the replacement of the front end.

7. The storage-format fragment collection device according to claim 3, characterized in that, The recycling bin adopts a plug-in structure that facilitates the replacement of the front end.

8. The storage-format fragment collection device according to claim 4, characterized in that, The recycling bin adopts a plug-in structure that facilitates the replacement of the front end.

Images