Rocket sled test bomb structure for small-length-diameter-ratio heterogeneous-shape damage unit
By using an adapter ring to connect the damage unit and the extended cylinder in the rocket ski test bomb, the problem that small aspect ratio and heterogeneous damage unit are difficult to adapt in the rocket ski test is solved, and the aspect ratio and structural safety of the rocket ski test bomb are increased, and the test results and performance verification capabilities are achieved.
Patent Information
- Application Number
- CN202411651750.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-02-25
AI Technical Summary
The structure of the small aspect ratio and heterogeneous damage unit structure in the prior art is difficult to adapt to rocket sled tests, resulting in large angles of attack when the bullet-like objects meet, and failing to meet the real assessment conditions.
The rocket ski test bomb structure including a damage unit, a pad ring, an adapter ring and an elongated cylinder is adopted. The damage unit and an elongated cylinder are connected through the adapter ring to increase the aspect ratio of the rocket ski test bomb, reduce the response to the initial disturbance of the sled separation, control the launch attitude, and avoid large angles of attack.
It has achieved the test requirements for the safety of the rocket sled test bomb on orbital structure and the small angle of attack of the intersection of the bullet-earth. It has the characteristics of simple structure, simple operation, strong adaptability, high safety, and good launch consistency. It can verify and evaluate the performance of small aspect ratio, the penetration ability of the heterogeneous damage unit, structural strength and inducement cooperation.
Smart Images
Figure CN119509280A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of military product testing and experiment, and in particular to a rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit. Background Art
[0002] The rocket sled test is a simulation test that relies on a special ground slide rail, uses a rocket engine as power, and uses a rocket sled as a carrier. It runs at high speed on a special ground slide rail. It can simulate the speed, overload, separation, wing deployment, terminal effect and other real working conditions of weapon systems or key components, and obtain effective test data to provide strong support for weapon development. In recent years, the rocket sled test has been widely used in dynamic performance verification and assessment, and is an important test method in the product development process. The rocket sled test projectile is generally matched with the sled car through three retaining rings at the front, middle and rear, and then the retaining rings are fixed to the sled car with multiple explosive bolts. The sled car is accelerated by the rocket engine. When the test projectile and the sled car reach the end of the slide rail, the explosive bolts are activated, the test projectile is separated from the sled car, and the test projectile flies freely to achieve the intersection of the projectile and the target. With the development of advanced launch platforms, solutions for the production of damage units with small aspect ratio and heterogeneous shapes have been proposed. Such damage unit products have poor consistency in aerodynamic performance in the flight heading section and are difficult to adapt to the initial disturbance when the missile sled is separated, resulting in a large angle of attack when the product and the projectile meet, which fails to meet the actual assessment conditions.
[0003] Therefore, there is an urgent need for a rocket sled test projectile structure for small aspect ratio and heterogeneous damage units to solve the above problems. Summary of the invention
[0004] Based on the above, the purpose of the present invention is to provide a rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit, which solves the technical problem that the small aspect ratio and heterogeneous damage unit structure in the prior art is difficult to adapt to the rocket sled test. The structure is simple and can effectively ensure the on-orbit structural safety and the test requirements of small attack angles of intersection of the missile and the target.
[0005] To achieve the above object, the present invention adopts the following technical solutions:
[0006] A rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit, comprising a damage unit, a gasket, an adapter ring and an extension tube, wherein the gasket is sleeved on the head end of the damage unit, the outer periphery of the gasket is provided with a clamping portion, the clamping portion is used to limit the connection to the front clamping ring of the sled, one end of the adapter ring is connected to the tail end of the damage unit, one end of the extension tube is detachably connected to the other end of the adapter ring, and the extension tube can be limited to the middle clamping ring and the rear clamping ring of the sled.
[0007] As a preferred solution for the structure of a rocket sled test projectile with a small aspect ratio and a heterogeneous damage unit, the gasket includes at least two ring segments, and a gap is set between each two adjacent ring segments.
[0008] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous damage unit, the gasket ring is recessed with one end face facing away from the adapter ring toward the other end face.
[0009] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous damage unit, the end face spacer ring of the gasket ring close to the adapter ring is provided with a plurality of weight-reducing blind holes.
[0010] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous shaped damage unit, the adapter ring includes a first connecting section and a second connecting section, a first step surface is formed in the first connecting section, the first connecting section is sleeved on the tail end of the damage unit, the tail end surface of the damage unit abuts against the first step surface, a second step surface is formed between the second connecting section and the first connecting section, and one end of the extension tube is sleeved on the outside of the second connecting section and abuts against the second step surface.
[0011] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous shaped damage unit, it also includes a plurality of connecting bolts, and the second step surface spacing ring is provided with a plurality of connecting holes, and the connecting holes penetrate through the second step surface, and each of the connecting bolts is threadedly connected to the tail end face of the damage unit through one of the connecting holes.
[0012] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous damage unit, the connecting hole includes a first hole segment and a second hole segment, the first hole segment is close to the tail end face of the damage unit, the hole diameter of the first hole segment is smaller than the hole diameter of the second hole segment, and a third step surface is formed between the first hole segment and the second hole segment, when the connecting bolt is threadedly connected to the tail end face of the damage unit through the connecting hole, the damage unit of the connecting bolt abuts against the third step surface, and the end face of the damage unit of the connecting bolt is flush with or lower than the end face of the second hole segment.
[0013] As a preferred solution for the rocket sled test projectile structure of a small aspect ratio and heterogeneous damage unit, it also includes:
[0014] The gasket comprises a first annular gasket and a second annular gasket, wherein the first annular gasket is arranged between the first connecting section and the outer periphery of the damage unit, and the second annular gasket is attached to an end surface of the second connecting section close to the gasket ring.
[0015] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous damage unit, the outer diameter of the adapter ring is larger than the outer diameter of the gasket ring.
[0016] As a preferred solution for a rocket sled test projectile structure with a small aspect ratio and a heterogeneous damage unit, the gasket is located in front of the axial center of mass of the damage unit.
[0017] The beneficial effects of the present invention are:
[0018] The present invention provides a rocket sled test missile structure for a small aspect ratio and heterogeneous damage unit. The damage unit and the extension tube are connected by an adapter ring to achieve a large aspect ratio of the rocket sled test missile structure. The rocket sled test missile has a small initial disturbance response to the separation of the missile sled under the balancing action of the extension tube, which is conducive to the control of the launch posture of the rocket sled test missile and avoids a large angle of attack when the missile and the target intersect. And through the detachable connection between the extension tube and the adapter ring, it is convenient to replace the extension tube of different specifications according to actual needs to adapt to the test sled vehicle. At the same time, the docking with the sled vehicle is achieved through the clamping part on the gasket and the extension tube, which is simple and convenient, and the on-orbit safety of the rocket sled test missile is ensured. The rocket sled test missile structure for a small aspect ratio and heterogeneous damage unit realizes the rocket sled launch test of the small aspect ratio and heterogeneous damage unit, that is, it can realize the verification and assessment of the penetration capability, structural strength, ignition and war coordination and other performances of the small aspect ratio and heterogeneous damage unit. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. 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 the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0020] Figure 1 It is a cross-sectional view of a rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit provided by an embodiment of the present invention;
[0021] Figure 2 It is a partial structural schematic diagram of a rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit provided by an embodiment of the present invention at one viewing angle (the extension tube is not shown);
[0022] Figure 3 It is a partial structural schematic diagram of a rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit provided by an embodiment of the present invention from another perspective (the extension tube is not shown);
[0023] Figure 4is a schematic diagram of the structure of a gasket ring provided by an embodiment of the present invention at a viewing angle;
[0024] Figure 5 is a schematic structural diagram of a gasket ring provided by an embodiment of the present invention from another perspective;
[0025] Figure 6 is a schematic diagram of the structure of an adapter ring provided by an embodiment of the present invention at a viewing angle;
[0026] Figure 7 It is a schematic diagram of the structure of the adapter ring provided by an embodiment of the present invention from another perspective.
[0027] In the figure:
[0028] 1. Damage unit; 2. Gasket; 21. Ring segment; 22. Boss; 3. Adapter ring; 31. First connecting segment; 32. Second connecting segment; 33. First step surface; 34. Second step surface; 4. Extension tube; 5. Gasket retaining ring; 6. Connecting bolt;
[0029] 10. Weight-reducing blind hole; 20. Connection hole. DETAILED DESCRIPTION
[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0033] In the description of the present embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0034] like Figures 1 to 7 As shown, this embodiment provides a rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit, which includes a damage unit 1, a gasket 2, an adapter ring 3 and an extension tube 4. The gasket 2 is sleeved on the head end of the damage unit 1, and a clamping portion is provided on the outer periphery of the gasket 2. The clamping portion is used to limit the connection to the clamping ring of the skid. One end of the adapter ring 3 is connected to the tail end of the damage unit 1, and one end of the extension tube 4 is detachably connected to the other end of the adapter ring 3. The axis of the extension tube 4 is on the same straight line as the axis of the damage unit 1, and the extension tube 4 can be limited on the middle clamping ring and the rear clamping ring of the skid. The extension tube 4 is connected to the tail end of the damage unit 1 through the adapter ring 3, so that the overall length of the rocket sled test bomb structure used for small aspect ratio and heterogeneous damage units is lengthened, that is, the aspect ratio of the rocket sled test bomb is simply and conveniently increased, the cost is low, and the rocket sled test bomb has a small initial disturbance response to the separation of the sled under the balancing action of the extension tube 4, which is conducive to the control of the launch posture of the rocket sled test bomb and avoids a large angle of attack when the missile and the target intersect. And through the detachable connection between the extension tube 4 and the adapter ring 3, it is convenient to replace the extension tube 4 of different specifications according to actual needs to adapt to the test sled vehicle. At the same time, the docking with the sled vehicle is achieved through the clamping part on the gasket 2 and the extension tube 4, which is simple and convenient, ensuring the on-track safety of the rocket sled test bomb. The rocket sled test projectile structure used for small aspect ratio and heterogeneous shaped damage units realizes the rocket sled launch test of small aspect ratio and heterogeneous shaped damage units 1, that is, it can verify and evaluate the penetration capability, structural strength, ignition and strike coordination and other performance of small aspect ratio and heterogeneous shaped damage units 1.
[0035] Exemplarily, the outer peripheries of both ends of the extension tube 4 are respectively limited to the middle snap ring and the rear snap ring of the skid vehicle, so as to realize the rapid docking between the rocket sled test bomb structure for the small aspect ratio and heterogeneous damage unit and the skid vehicle, and ensure the on-track safety of the rocket sled test bomb. In this embodiment, the extension tube 4 is a thin-walled cylindrical part with a wall thickness of not less than 3 mm, for example, 6 mm. Preferably, both ends of the extension tube 4 are thickened, that is, the wall thickness of the part of the extension tube 4 that is limitedly connected to the middle snap ring and the rear snap ring is greater than the wall thickness of other parts of the extension tube 4, so as to ensure the docking stability and safety of the extension tube 4 and the skid vehicle, for example, thickened to 12 mm.
[0036] Preferably, the aspect ratio of the rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit is 4-7, for example, the aspect ratio of the rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit is 4, 5, 6 or 7, etc., which is set according to actual needs. Among them, the length of the rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit is the length from the end face of the damage unit 1 to the end face of the tail of the extension tube 4, and the diameter is the maximum diameter of the rocket sled test projectile structure for a small aspect ratio and heterogeneous damage unit.
[0037] Optionally, the gasket 2, the adapter ring 3 and the extension tube 4 are made of lightweight metal materials, preferably aluminum alloy. For example, the gasket 2 is made of 2A12 aluminum alloy, which can withstand the vibration environment on the sled and avoid negative mass.
[0038] Specifically, the head end of the damage unit 1 is a cylindrical segment or an arc-shaped surface, and the gasket 2 is limitedly matched with the cylindrical segment or the arc-shaped surface of the damage unit 1. Before launching, the maximum gap between the damage unit 1 and the gasket 2 is less than 0.1 mm, that is, the gasket 2 is used to achieve docking with the skid vehicle and ensure the on-orbit safety of the rocket sled test missile.
[0039] For example, Figures 1 to 5 As shown, the gasket 2 includes at least two ring segments 21, and a gap is set between each two adjacent ring segments 21. The gasket 2 can realize the micro-adjustment of the axial position of the rocket sled test projectile on the sled vehicle. Among them, the gap between each two adjacent ring segments 21 is not less than 4mm, for example, the interval between each two adjacent ring segments 21 is 6mm, which is convenient for the close fit between the gasket 2 and the damage unit 1, and at the same time ensures that the ring segments 21 do not affect each other when the gasket 2 is separated under the action of aerodynamic force. Exemplarily, the gasket 2 includes two upper and lower symmetrical ring segments 21, each of which is provided with a clamping portion. When the rocket sled test projectile structure for a small aspect ratio and a heterogeneous damage unit is installed into the sled vehicle, the lower ring segment 21 is first placed on the front clamping ring of the sled vehicle, and the damage unit 1 is connected to the extension tube 4 through the adapter ring 3, and then the upper ring segment 21 is placed after it is installed. Of course, in other embodiments, the number of ring segments 21 can also be other, for example, the gasket 2 includes four symmetrically arranged ring segments 21, etc.
[0040] In this embodiment, bosses 22 are provided at both ends of the gasket 2 to extend radially outward to form a clamping portion, that is, the clamping portion is two bosses 22 that are oppositely arranged and are protruded radially from the gasket 2. The bosses 22 are used to limit the axial position of the front snap ring of the skid, that is, the front snap ring is clamped between the two oppositely arranged bosses 22. The chord length of the boss 22 is not less than 50 mm, for example, the chord length of the boss 22 is 100 mm, and the height of the boss 22 is not less than 5 mm.
[0041] Preferably, the gasket 2 is located as a whole before the axial center of mass of the damage unit 1, ensuring that the damage unit 1 is a non-cantilever structure relative to the rocket sled test bomb structure for small aspect ratio and heterogeneous damage units, which is beneficial to the structural safety of the rocket sled test bomb structure for small aspect ratio and heterogeneous damage units on the track. It should be noted that the gasket 2 is located as a whole before the axial center of mass of the damage unit 1 means that the axial center of mass of the damage unit 1 is located between the gasket 2 and the extension tube 4, that is, Figure 1 As described above, the gasket 2 is located on the left side of the axial center of mass of the damaged unit 1 .
[0042] More specifically, one end face of the gasket ring 2 facing away from the adapter ring 3 is recessed toward the other end face. The end face of the gasket ring 2 facing away from the adapter ring 3 is the windward face. After the explosive bolt releases the constraint of the front clamp ring, the recessed setting of the windward face of the gasket ring 2 can provide an oblique rear aerodynamic force, so that the gasket ring 2 and the damage unit 1 are quickly separated, and non-interference separation is achieved. Optionally, the recessed surface is an inclined surface or an inner concave arc surface.
[0043] Preferably, the end face spacing ring of the gasket ring 2 close to the adapter ring 3 is provided with a plurality of weight-reducing blind holes 10, and the end face of the gasket ring 2 close to the adapter ring 3 is the leeward side. By providing the weight-reducing blind holes 10, the overall weight of the gasket ring 2 is light, which is conducive to the interference-free separation of the gasket ring 2. Exemplarily, the leeward side of the gasket ring 2 is evenly spaced along the circumferential direction with 25, 30 or 35 weight-reducing blind holes 10, and the specific number is set according to actual needs.
[0044] Furthermore, if Figures 1 to 3 , Figure 6 and Figure 7As shown, the adapter ring 3 includes a first connecting section 31 and a second connecting section 32. A first step surface 33 is formed in the first connecting section 31. The first connecting section 31 is sleeved on the tail end of the damage unit 1. The tail end surface of the damage unit 1 abuts against the first step surface 33. A second step surface 34 is formed between the second connecting section 32 and the first connecting section 31. One end of the extension tube 4 is sleeved outside the second connecting section 32 and abuts against the second step surface 34. The first connecting section 31 is sleeved on the tail end of the damage unit 1, and then the extension tube 4 is sleeved on the second connecting section 32, so that the connection between the extension tube 4 and the damage unit 1 is realized, and the disassembly and assembly are convenient. The first step surface 33 and the second step surface 34 provide limiting functions for the damage unit 1 and the extension tube 4, respectively, so that the extension tube 4 and the adapter ring 3 are assembled in place, and no axial displacement occurs after the assembly is completed.
[0045] Preferably, one end of the extension tube 4 is threadedly connected to the second connection section 32, that is, one end of the extension tube 4 is provided with an internal thread, and the outer periphery of the second connection section 32 is provided with an external thread, and the external thread and the internal thread cooperate to realize the detachable connection between the extension tube 4 and the adapter ring 3, which is simple and convenient to assemble, low in cost, and has good connection stability. Exemplarily, the effective matching length of the internal thread and the external thread is not less than 40 mm, for example, the effective matching length of the internal thread and the external thread is 41 mm, to ensure connection stability.
[0046] In this embodiment, the first connecting section 31 is adapted to the shape and size of the socket surface at the rear end of the damage unit 1, thereby realizing the structural design of the rocket sled test bomb of the heterogeneous damage unit 1.
[0047] Specifically, the rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit also includes a plurality of connecting bolts 6, and the second step surface 34 is provided with a plurality of connecting holes 20 at intervals, and the connecting holes 20 penetrate the second step surface 34, and each connecting bolt 6 is threadedly connected to the tail end face of the damage unit 1 through a connecting hole 20. After the first connecting section 31 of the adapter ring 3 is sleeved on the tail end of the damage unit 1, the adapter ring 3 is fastened by the connecting bolts 6, so that the adapter ring 3 is stably connected to the damage unit 1, and the structural stability of the assembled rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit is ensured. Among them, the connecting hole 20 can be selected as a through hole or a threaded hole.
[0048] Preferably, the connecting hole 20 includes a first hole section and a second hole section, the first hole section is close to the rear end face of the damage unit 1, the aperture of the first hole section is smaller than the aperture of the second hole section, a third step surface is formed between the first hole section and the second hole section, when the connecting bolt 6 is threadedly connected with the rear end face of the damage unit 1 through the connecting hole 20, the damage unit 1 of the connecting bolt 6 abuts against the third step surface, and the end face of the damage unit 1 of the connecting bolt 6 is flush with or lower than the end face of the second hole section. Ensure that the end face of the extension tube 4 and the adapter ring 3 are close to each other.
[0049] More preferably, the gap between the damage unit 1 and the adapter ring 3 is no more than 0.5 mm, which prevents the axial connecting bolt 6 from being broken due to excessive shear force, and is beneficial to the structural safety of the rocket sled test bomb structure on track for small aspect ratio and heterogeneous damage units.
[0050] More specifically, the rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit also includes a gasket, which includes a first annular gasket and a second annular gasket, the first annular gasket is arranged between the first connecting section 31 and the outer periphery of the damage unit 1, and the second annular gasket is attached to an end surface of the second connecting section 32 close to the gasket 2. That is, the gasket is an L-shaped annular gasket, and the gap between the damage unit 1 and the adapter ring 3 is eliminated by the gasket. The L-shaped annular gasket can be axially limited by the gasket retaining ring 5, that is, the gasket retaining ring 5 is sleeved on the damage unit 1 and connected to an end surface of the first connecting section 31 away from the second connecting section 32 by screws, so as to press the gasket between the gasket retaining ring 5 and the adapter ring 3. The L-shaped annular gasket can eliminate the gap between the adapter ring 3 and the damage unit 1 on one side, and can be pressed and fixed by the gasket retaining ring 5 on the other side, so as to avoid the gasket falling due to the vibration environment and affecting the safety of the rocket sled launch.
[0051] In this embodiment, the outer diameter of the adapter ring 3 is greater than the outer diameter of the gasket ring 2, and the difference between the outer diameter of the adapter ring 3 and the outer diameter of the gasket ring 2 is greater than 10 mm, for example, the difference is 11 mm, etc., to prevent the rocket sled test projectile from colliding with the sled vehicle when sliding forward through the sled vehicle after the missile sled is separated, thereby affecting the posture of the damage unit 1. It should be noted that the outer diameter of the adapter ring 3 refers to the maximum outer diameter of the adapter ring 3.
[0052] The following is the assembly process of the rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit provided in this embodiment, taking the gasket 2 including two ring segments 21 as an example:
[0053] Assemble the damage unit 1, adapter ring 3, extension tube 4, connecting bolt 6, washer, gasket retaining ring 5;
[0054] By measuring the distance, it is determined whether the front, middle and rear retaining ring positions on the sled vehicle are compatible with the rocket sled test projectile. If they are compatible, the next step of installation is performed. If not, the length of the extension tube 4 is adjusted.
[0055] When loading the rocket sled test projectile into the sled vehicle, first place the lower half ring segment 21 of the gasket ring 2 on the front clamping ring of the sled vehicle, install the assembled damage unit 1 and the extension tube 4, and then install the upper half ring segment 21 of the gasket ring 2;
[0056] The rocket sled test bomb is fixed by front, middle and rear retaining rings and a plurality of explosive bolts of the sled vehicle;
[0057] The gap between the gasket 2 and the damage unit 1 is determined by a feeler gauge, and a suitable gasket is selected to eliminate the gap, so that the rocket sled can finally meet the launch conditions.
[0058] The rocket sled test missile structure for a small aspect ratio and heterogeneous damage unit provided in this embodiment solves the problem of rapid docking of a small aspect ratio and heterogeneous damage unit 1 with a sled vehicle, ensures the on-orbit structural safety of the rocket sled test missile and the test requirements of a small attack angle of the missile-target intersection, and has the characteristics of simple structure, simple operation, strong adaptability, high safety, and good launch consistency. An implementable rocket sled launch scheme for a small aspect ratio and heterogeneous damage unit 1 is formed, which is suitable for the verification and assessment of the penetration capability, structural strength, ignition and warhead coordination and other performance of a small aspect ratio and heterogeneous damage unit 1.
[0059] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit, characterized in that: It includes a damage unit, a gasket, an adapter ring and an extension tube. The gasket is sleeved on the head end of the damage unit. The outer periphery of the gasket is provided with a clamping portion, and the clamping portion is used to limit the connection to the front clamping ring of the skid. One end of the adapter ring is connected to the tail end of the damage unit. One end of the extension tube is detachably connected to the other end of the adapter ring. The extension tube can be limited to the middle clamping ring and the rear clamping ring of the skid.
2. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 1 is characterized in that: The gasket ring includes at least two ring segments, and a gap is provided between every two adjacent ring segments.
3. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 1 is characterized in that: The backing ring is arranged concavely with one end surface facing away from the adapter ring and toward the other end surface.
4. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 1 is characterized in that: The end face spacing ring of the gasket ring close to the adapter ring is provided with a plurality of weight-reducing blind holes.
5. The rocket sled test bomb structure for small aspect ratio and heterogeneous damage unit according to claim 1 is characterized in that: The adapter ring includes a first connecting section and a second connecting section, a first step surface is formed in the first connecting section, the first connecting section is sleeved on the tail end of the damage unit, the tail end surface of the damage unit abuts against the first step surface, a second step surface is formed between the second connecting section and the first connecting section, and one end of the extension tube is sleeved on the outside of the second connecting section and abuts against the second step surface.
6. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 5 is characterized in that: It also includes a plurality of connecting bolts. The second step surface is ring-spaced with a plurality of connecting holes. The connecting holes penetrate through the second step surface. Each of the connecting bolts is threadedly connected to the tail end surface of the damage unit through one of the connecting holes.
7. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 6 is characterized in that: The connecting hole includes a first hole segment and a second hole segment, the first hole segment is close to the rear end face of the damage unit, the hole diameter of the first hole segment is smaller than the hole diameter of the second hole segment, and a third step surface is formed between the first hole segment and the second hole segment. When the connecting bolt is threadedly connected to the rear end face of the damage unit through the connecting hole, the damage unit of the connecting bolt abuts against the third step surface, and the end face of the damage unit of the connecting bolt is flush with or lower than the end face of the second hole segment.
8. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to claim 5 is characterized in that: Also includes: The gasket comprises a first annular gasket and a second annular gasket, wherein the first annular gasket is arranged between the first connecting section and the outer periphery of the damage unit, and the second annular gasket is attached to an end surface of the second connecting section close to the gasket ring.
9. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to any one of claims 1 to 8, characterized in that: The outer diameter of the adapter ring is greater than the outer diameter of the gasket ring.
10. The rocket sled test bomb structure for a small aspect ratio and heterogeneous damage unit according to any one of claims 1 to 8, characterized in that: The backing ring is located in front of the axial center of mass of the damage unit.