A fully automatic array device for connecting and disconnecting enameled wire in speed measurement targets

Abstract

The present invention discloses a fully automatic array device for enameled wire in a make-break speed measurement target, relating to the technical field of make-break speed measurement target manufacturing. The device comprises an array body, an array cavity provided at the upper end of the array body, a first linear drive device and a plurality of second linear drive devices provided in the array cavity, a first array plate provided on the movable end of the first linear drive device, a second array plate provided on the movable end of the second linear drive device, the first array plate provided with a plurality of first array columns and a plurality of first array slots, the first array columns and the first array slots being staggered, the second array plate provided with a plurality of second array columns and second array slots, the second array columns and the second array slots being staggered; a winding wheel provided on the side wall of the array body, and a fixed column provided on the array body. When the first array column is inserted into the second array slot, the enameled wire can pass through the first and second array columns and be fixed to the fixed column. The present invention can achieve automatic and precise arraying of the enameled wire.

Description

Technical Field

[0001] This invention relates to the field of continuity and disconnection velocity measurement target manufacturing technology, and in particular to a fully automatic array device for enameled wires in continuity and disconnection velocity measurement targets. Background Technology

[0002] The warhead is a crucial component of a conventional projectile structure, used to destroy or damage targets, inflict casualties, and fulfill combat missions. Parameters such as fragment velocity, shape, and distribution within the explosive field are important indicators of its destructive effectiveness and serve as crucial references in warhead design, finalization, production, and testing. Fragmentation warheads primarily utilize the impact, ignition, and detonation of numerous high-speed fragments generated by a high-energy explosive explosion to destroy important targets. They are one of the main types of warheads and can inflict damage or destroy enemy personnel, armored vehicles, aircraft, radar, and incoming missiles. Fragmentation velocity is a key parameter for measuring its kill probability and destructive effectiveness. Furthermore, although fragmentation warheads of different fragmentation types have different characteristics, such as irregularly shaped natural fragments or semi-pre-formed fragments with grooved shells, as well as pre-formed fragments with regular shapes such as spheres, cylinders, cubes, and fan-shaped bodies, their destructive effectiveness can be evaluated by quantitatively testing their fragmentation velocity parameters. This can be further used to analyze and reconstruct the power field distribution of explosive fragments.

[0003] The testing environment for the explosive fragmentation field of a warhead is extremely harsh, with interference from factors such as incandescence and detonation product dust. Furthermore, the significant difference between the fragment's own dimensions and the size of its dispersion area makes it impossible for traditional high-speed imaging equipment to clearly capture the fragment's trajectory, thus hindering the calculation of its velocity parameters during far-field flight. While pulsed X-ray imaging can penetrate the shielding interference of detonation products, its limited X-ray radiation range and the size of its optical imaging plate mean it is only suitable for instantaneous imaging of fragment groups that have expanded to 3-5 times the diameter of the explosive charge during the initial stage of the explosion. It cannot perform large-scale measurements of fragments with a wide spatial distribution at the endpoint. Additionally, X-ray experiments require extensive preparation time and are costly. During range testing, fragment velocity can also be tested using a canopy target. However, since the target surface is a wedge-shaped thin screen optical field of view, the wider the screen is as the distance between the ballistics and the lens increases. Therefore, even a slight mistake during setup can cause target distance error, making target positioning difficult and setup and calibration time-consuming. In addition, the canopy target has high requirements for brightness in the air and is easily affected by changes in light intensity, making it relatively expensive.

[0004] As an alternative, a through-and-off target wrapped with enameled wire is used. Under the mechanical impact of the fragment, the circuit is broken, and the level signal in the original on-state flips from a low level to a high level, forming a steeply rising positive pulse signal. This allows the recording of the moment when the fragment penetrates the target. The average velocity of the fragment in the velocity-measuring target range can be calculated by the time difference between penetrating two or more on-and-off targets at fixed intervals. The advantages of this testing method are that it can be set up quickly, the material cost of the velocity-measuring target is low, and it is easy to operate.

[0005] However, since the enameled wire could only be wound manually in the early stages, the preparation time for winding the enameled wire to the through and through targets was long, and the density and length of the enameled wire were inconsistent.

[0006] Therefore, there is an urgent need in the field for a fully automated array device for the enameled wire in a continuity velocity measuring target to solve the above problems. Summary of the Invention

[0007] The purpose of this invention is to provide a fully automatic arraying device for enameled wire in a continuity speed measuring target, which solves the technical problems existing in the prior art. It can realize the rapid and accurate arraying of enameled wire without the need for manual winding by test preparation personnel, thereby improving the production efficiency of enameled wire.

[0008] To achieve the above objectives, the present invention provides the following solution:

[0009] This invention discloses a fully automatic array device for enameled wire in a continuity speed measuring target, comprising an array body, an array cavity at the upper end of the array body, a plurality of first linear drive devices and a plurality of second linear drive devices within the array cavity, a first array plate on the moving end of each of the first linear drive devices, and a second array plate on the moving end of each of the second linear drive devices, wherein the first and second linear drive devices can respectively drive the first array plate and the second array plate to move in opposite directions, the first array plate having a plurality of first array pillars and a plurality of first array slots, the first array pillars and the first array slots being staggered, the second array plate having a plurality of second array pillars and second array slots, the second array pillars and the second array slots being staggered, the first array pillars being able to be inserted into the second array slots, and the second array pillars being able to be inserted into the first array slots;

[0010] The array body has a winding reel on its side wall for winding enameled wire. The array body also has a fixing post for fixing one end of the enameled wire. When the first array post is inserted into the second array slot, the enameled wire can pass through the first array post and the second array post and be fixed to the fixing post.

[0011] Preferably, the diameter of the first array column, the width of the first array slot, the diameter of the second array column, and the width of the second array slot are all the same.

[0012] Preferably, the diameter of the first array column, the width of the first array slot, the diameter of the second array column, and the width of the second array slot are all 4mm, 5mm, 6mm, or 7mm.

[0013] Preferably, the array body is equipped with a controller, and both the first linear drive device and the second linear drive device are electrically connected to the controller.

[0014] Preferably, the first linear drive device and the second linear drive device have the same structure;

[0015] The first linear drive device includes a first drive motor, a first rotating lead screw is provided on the output shaft of the first drive motor, a first drive slider is threadedly connected to the first rotating lead screw, and the first drive slider is connected to the first array plate.

[0016] Preferably, a plurality of mounting bases are fixed inside the array cavity, the first drive motor is mounted on the mounting base, the two ends of the first rotating lead screw are connected to bearing seats, the bearing seats are fixed on the mounting base, the mounting base is also provided with a mounting frame, the mounting frame is fixed with a first limiting plate, the upper middle part of the first drive slider is provided with a first sliding groove, and the first limiting plate is slidably connected to the first sliding groove.

[0017] Preferably, the array body is further provided with a guide wheel, which is located above the winding wheel;

[0018] The guide wheel is also provided with a correction column on the side away from the winding wheel, which is used to correct the enameled wire.

[0019] Preferably, the lower end of the array body is provided with multiple casters.

[0020] The present invention achieves the following technical effects compared to the prior art:

[0021] In practical use, this invention only requires placing the enameled wire between the first and second array columns, and then separating the first and second linear drive devices to bend and array the enameled wire into an S-shaped structure. The entire process requires no manual intervention, reducing labor intensity, improving array efficiency, and, most importantly, achieving high dimensional accuracy. Attached Figure Description

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of the fully automatic array device for the enameled wire in the continuity speed measuring target according to an embodiment of the present invention;

[0024] Figure 2 This is a partial schematic diagram of the first array plate in the fully automatic array device for the enameled wire in the continuity speed measuring target according to an embodiment of the present invention;

[0025] Figure 3 This is a partial schematic diagram of the first linear drive device in the fully automatic array device of enameled wire in the on / off speed measuring target according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the enameled wire structure in a velocity measuring target with on / off switching.

[0027] Figure 5 A schematic diagram of the structure of the on / off velocity measuring target in the test of simulated warhead fragment dispersion velocity and attenuation coefficient;

[0028] Figure 6 A schematic diagram of the structure of the on / off velocity measuring target in a simulated warhead fragmentation test of the penetration trajectory limit velocity of the target plate.

[0029] In the diagram: 1-Array body; 2-First linear drive device; 201-First drive motor; 202-First rotating lead screw; 203-First drive slider; 204-First limiting plate; 3-Second linear drive device; 4-First array plate; 401-First array column; 402-First array groove; 5-Second array plate; 6-Winding wheel; 7-Guide wheel; 8-Correction column; 9-Fixing column; 10-Universal wheel; 11-Enameled wire; 12-Continuous speed measuring target; 13-Multi-channel timer; 14-Ballistic gun; 15-Fragment; 16-Target body. Detailed Implementation

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] The purpose of this invention is to provide a fully automatic arraying device for enameled wire in a continuity speed measuring target, which solves the technical problems existing in the prior art. It can realize the rapid and accurate arraying of enameled wire without the need for manual winding by test preparation personnel, thereby improving the production efficiency of enameled wire.

[0032] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] like Figures 1-6 As shown, this embodiment provides a fully automatic array device for enameled wire in a continuity speed measuring target, including an array body 1, which is a box structure. An array cavity is provided at the upper end of the array body 1, with an opening at the upper end. The array cavity contains several first linear drive devices 2 and several second linear drive devices 3. Specifically, there are two of each of the first linear drive devices 2 and second linear drive devices 3, and the two first linear drive devices 2 and two second linear drive devices 3 are staggered and parallel to each other. A first array plate 4 is provided on the moving end of the first linear drive device 2, and a second array plate 5 is provided on the moving end of the second linear drive device 3. The first linear drive devices 2 and 3 can respectively drive the first array plate 4 and the second array plate 5 to move in opposite directions, that is, the first array plate 4 and the second array plate 5 can move closer to each other or further away from each other. The first array plate 4 has multiple first array pillars 401 and multiple first array slots 402, which are staggered, and the first array pillars 401 are located on one side of the slot opening of the first array slot 402. Similar to the first array plate 4, the second array plate 5 has multiple second array pillars and second array slots, which are staggered. The second array pillars are located on one side of the slot opening of the second array slot. When the first array plate 4 and the second array plate 5 approach each other, the first array pillar 401 can be inserted into the second array slot, and the second array pillar can be inserted into the first array slot 402. It should be noted that at this time, the first array pillar 401 is located at the bottom of the second array slot, and the second array pillar is located on one side of the slot opening of the second array slot. The second array pillar is located at the bottom of the first array slot 402, and the first array pillar 401 is located at the slot opening of the first array slot 402. That is, the first array pillar 401 and the second array pillar are staggered.

[0034] like Figure 1As shown, a winding wheel 6 is provided on the side wall of the array body 1, which is used to wind the enameled wire 11. A fixing post 9 is also provided on the array body 1. The fixing post 9 and the winding wheel 6 are located on opposite sides of the array body 1, and the fixing post 9 is used to fix one end of the enameled wire 11. When the first array post 401 is inserted into the second array slot, the second array post is also inserted into the first array slot 402, and the first array plate 4 and the second array plate 5 abut against each other. The movable end of the enameled wire 11 can pass through the first array post 401 and the second array post and be fixed to the fixing post 9.

[0035] In practical use, the array size of the enameled wire 11 is first determined based on the required continuity speed measuring target 12. Then, the first array plate 4 and the second array plate 5 of the expected size are selected and installed. The first array plate 4 and the second array plate 5 have the same structure. After the equipment is assembled, the first linear drive device 2 and the second linear drive device 3 are driven to bring the first array plate 4 and the second array plate 5 closer together until the first array post 401 is fully inserted into the second array slot and the second array post is fully inserted into the first array slot 402. At this time, the operator manually pulls out one end of the enameled wire 11 from the winding wheel and passes it between the first array post 401 and the second array post in sequence. Then, the pulled-out end of the enameled wire 11 is fixed to the fixing post 9. Finally, the first linear drive device 2 and the second linear drive device 3 are activated simultaneously, causing the first array plate 4 and the second array plate 5 to move away from each other. During this process, the first array column 401 moves outward from the bottom of the second array slot, and the second array column moves outward from the bottom of the first array slot 402. The first array column 401 and the second array column will move closer to each other. When the first array column 401 is located at the opening of the second array slot, and the second array column is located at the opening of the first array slot 402, all the first array columns 401 and the second array columns form a row. Subsequently, the positions of the first array columns 401 and the second array columns will become larger and larger. Under the pull of the first array columns 401 and the second array columns, the enameled wire 11 will also form a final S-shaped structure until it reaches the expected size.

[0036] In this embodiment, both the first array post 401 and the second array post are cylindrical structures. Therefore, the diameter of the first array post 401, the width of the first array groove 402, the diameter of the second array post, and the width of the second array groove are all the same, thereby achieving the final equidistant array of the enameled wire 11.

[0037] In this embodiment, the diameter of the first array post 401, the width of the first array slot 402, the diameter of the second array post, and the width of the second array slot are all 4mm, 5mm, 6mm, or 7mm. In actual use, the first array plate 4 and the second array plate 5 of these four sizes can be pre-ordered from the factory. When it is necessary to manufacture enameled wire 11 of one size, it is only necessary to install the first array plate 4 and the second array plate 5 of the corresponding size.

[0038] In this embodiment, the array body 1 is equipped with a controller, specifically, an existing PLC controller. Both the first linear drive device 2 and the second linear drive device 3 are electrically connected to the controller, which controls their operation. Furthermore, the PLC controller can be configured for both manual and automatic operation with real-time screen display. The screen can display the real-time torque of the motors in the first and second linear drive devices 2 and 3, as well as manually preset torque values, providing convenient, fast, and user-friendly operation.

[0039] In this embodiment, the first linear drive device 2 and the second linear drive device 3 have the same structure. The following description will only take the first linear drive device 2 as an example.

[0040] like Figure 3 As shown, the first linear drive device 2 includes a first drive motor 201, and a first rotating lead screw 202 is provided on the output shaft of the first drive motor 201. The first drive motor 201 is connected to the first rotating lead screw 202 through a coupling. A first drive slider 203 is threadedly connected to the first rotating lead screw 202. The first rotating lead screw 202 and the first drive slider 203 form a common lead screw and nut pair structure. The first drive slider 203 is connected to the first array plate 4.

[0041] In actual use, it is only necessary to start the first drive motor 201. The first drive motor 201 drives the first rotating lead screw 202 to rotate. When the first rotating lead screw 202 rotates, it can drive the first drive slider 203 to move along the axial direction of the first rotating lead screw 202, and finally drive the first array plate 4 to move along the axial direction of the first rotating lead screw 202.

[0042] The second linear drive device 3 has the same structure and working principle as the first linear drive device 2, so it will not be described in detail here.

[0043] In this embodiment, several mounting bases are fixed inside the array cavity, and each of the first linear drive device 2 and the second linear drive device 3 has a mounting base below it. The first drive motor 201 is mounted on the mounting base, and the two ends of the first rotating lead screw 202 are connected to bearing seats, which are fixed to the mounting base. The mounting base is also provided with a mounting frame, such as... Figure 3 As shown, a first limiting plate 204 is fixed on the mounting frame. A first sliding groove is provided at the upper center of the first driving slider 203. The first limiting plate 204 is slidably connected to the first sliding groove. Limiting protrusions are provided on both sides of the first sliding groove, and the limiting protrusions are used to connect with the first array plate 4 by screws. In actual use, the first driving slider 203 will slide along the straight direction of the first limiting plate 204. The limiting protrusions on both sides of the first driving slider 203 are used to limit the first driving slider 203 and prevent it from rotating due to the rotation of the first rotating screw 202.

[0044] In this embodiment, the array body 1 is also provided with a guide wheel 7, which is located above the winding wheel 6. Figure 1 It can be seen that the enameled wire 11 coming out of the winding wheel 6 will first move vertically upward, and then move horizontally along the upper end face of the array body 1. The distance is relatively long. Setting the guide wheel 7 can play a guiding role and reduce the friction between the enameled wire 11 and the array body 1.

[0045] In addition, a correction post 8 is provided on the side of the guide wheel 7 away from the winding wheel 6. The enameled wire 11 passes through the correction post 8, which is used to correct the enameled wire 11. Specifically, when the first array plate 4 and the second array plate 5 move to both sides, as the distance between the first array post 401 and the second array post increases, the enameled wire 11 will tilt from the guide wheel 7 to the first array post 401 (or the second array post), which will affect the array effect at the opening of the enameled wire 11. Adding a correction post 8 can guide the enameled wire 11 before it enters the first array post 401 and the second array post, preventing it from tilting.

[0046] In this embodiment, the lower end of the array body 1 is provided with a plurality of casters 10, specifically four, which are respectively located at the four corners of the lower end of the array body 1. The casters 10 facilitate planar movement of the array body 1, improving the flexibility of the device.

[0047] After further processing by staff, the enameled wires 11 from the array are as follows: Figure 4 As shown, a support plate or support paper is finally installed on one side to form the on / off speed measuring target 12.

[0048] There are two application scenarios for the finalized on / off velocity measuring target 12, as follows:

[0049] Application Scenario 1: Fragment velocity and attenuation coefficient test

[0050] like Figure 5As shown, a ballistic gun 14 loading method is used to simulate a single explosion-driven fragment 15. The average velocity of the fragment 15 in its motion direction is measured between different on / off velocity measuring targets 12 using a multi-channel timing device 13. The velocity of the fragment 15 and its attenuation coefficient are calculated. The specific calculation process is as follows:

[0051] Formula 1:

[0052] Formula 2: In the formula, K a -Fragment velocity attenuation coefficient;

[0053] first, Figure 5 X1, X2, X3, X4, S0, S1, S2, S3, and S4 can all be obtained through measurement. At this time, v1 at X1, v2 at X2, v3 at X3, and v4 at X4 can be obtained through Formula 1. Then, by substituting the known data into Formula 2, the attenuation coefficient of fragment 15 at a specific velocity can be calculated.

[0054] Application Scenario 2: Penetration trajectory limit velocity test of fragment 15 against target 16

[0055] like Figure 6 As shown, a single explosive-driven fragment 15 is simulated by loading a smoothbore ballistic gun 14 with a driven fragment 15. The firing velocity of the fragment 15 is adjusted by changing the propellant charge. After exiting the muzzle, the fragment 15 obtains its intermediate average velocity at the two on / off velocity measuring targets 12 in front of the target body 16. Using the distance between the center of the on / off velocity measuring target 12 and the target body 16, and the velocity attenuation coefficient of the fragment 15 obtained from the test, the impact velocity of the fragment 15 can be calculated using Formula 3. If the fragment 15 penetrates the target body 16, the remaining velocity of the fragment 15 behind the target body 16 is obtained by testing the on / off velocity measuring target 12 behind the target body 16.

[0056] Formula 3:

[0057] In the formula, v x - Average velocity of the on / off velocity measuring target during 12 intervals, m / s;

[0058] K a - Velocity attenuation coefficient, 1 / m;

[0059] S represents the flight distance, in meters;

[0060] v I - is the velocity of fragment 15 after it has traveled a distance of S, in m / s;

[0061] This specification uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A fully automatic array device for enameled wires in a continuity-detection velocity target, characterized in that: The system includes an array body, with an array cavity at its upper end. The array cavity contains several first linear drive devices and several second linear drive devices. A first array plate is mounted on the moving end of each of the first linear drive devices, and a second array plate is mounted on the moving end of each of the second linear drive devices. Simultaneous activation of the first and second linear drive devices allows the first and second array plates to move in opposite directions. The first array plate has multiple first array pillars and multiple first array slots, which are staggered. The second array plate has multiple second array pillars and multiple second array slots, which are also staggered. The first array pillars can be inserted into the second array slots, and the second array pillars can be inserted into the first array slots. The array body is provided with a winding reel on its side wall for winding enameled wire. The array body is also provided with a fixing post for fixing one end of the enameled wire. When the first array post is inserted into the second array slot, the enameled wire can pass through the first array post and the second array post and be fixed on the fixing post. The two ends of the opening of the first array slot are flush, and the two ends of the opening of the second array slot are flush. The array body is also provided with a guide wheel, which is located above the winding wheel; a correction column is also provided on the side of the guide wheel away from the winding wheel, which is located on one side of the center line of the array body, and the correction column is used to correct the enameled wire.

2. The fully automatic array device for the enameled wire in the continuity speed measuring target according to claim 1, characterized in that: The diameter of the first array column, the width of the first array slot, the diameter of the second array column, and the width of the second array slot are all the same.

3. The fully automatic array device for the enameled wire in the continuity velocity measuring target according to claim 2, characterized in that: The diameter of the first array column, the width of the first array slot, the diameter of the second array column, and the width of the second array slot are all 4mm, 5mm, 6mm, or 7mm.

4. The fully automatic array device for enameled wire in a continuity / disconnection velocity measuring target according to claim 1, characterized in that: The array body is equipped with a controller, and both the first linear drive device and the second linear drive device are electrically connected to the controller.

5. The fully automatic array device for the enameled wire in the continuity velocity measuring target according to claim 1, characterized in that: The first linear drive device and the second linear drive device have the same structure; The first linear drive device includes a first drive motor, a first rotating lead screw is provided on the output shaft of the first drive motor, a first drive slider is threadedly connected to the first rotating lead screw, and the first drive slider is connected to the first array plate.

6. The fully automatic array device for the enameled wire in the continuity speed measuring target according to claim 5, characterized in that: The array cavity is fixed with several mounting bases. The first drive motor is mounted on the mounting base. The two ends of the first rotating lead screw are connected to bearing seats. The bearing seats are fixed on the mounting base. The mounting base is also provided with a mounting frame. The mounting frame is fixed with a first limiting plate. The upper middle part of the first drive slider is provided with a first sliding groove. The first limiting plate is slidably connected to the first sliding groove.

7. The fully automatic array device for enameled wire in a continuity / disconnection velocity measuring target according to claim 1, characterized in that: The lower end of the array body is equipped with multiple omnidirectional wheels.

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