Filling device for tonnage module charging of large-caliber balance gun and design method of filling device

Abstract

The invention discloses a filling device for tonnage module charging of a large-caliber balance gun and a design method of the filling device. The filling device is used for solving the problem that during tonnage module charging of the large-caliber balance gun, charging is difficult due to the fact that friction force is too large when a plurality of charging modules are pushed together. The bottom of the main body can be placed in a large-diameter balance gun barrel, and the top of the main body serves as a rail used for pushing a charging module into a barrel powder chamber. The plurality of embedded heavy bull eye wheels are mounted on the top plane of the main body, and are used as one part of the main body track for filling the charging module; the connectable tail section with the gradient is connected with the tail end of the main body, and the top of the tail section is a track with the gradient; and the plurality of connecting pieces and the compression bolts are used for connecting the plurality of main bodies and the tail section. The loading device provided by the invention is convenient to operate and small in occupied space, is placed in the large-caliber balance gun barrel, and can enable tonnage module loading to be easier and more convenient.

Description

Technical Field

[0001] This invention relates to the field of modular propellant loading technology, specifically to a loading device and design method for a ton-class modular propellant for a large-caliber balanced gun. Background Technology

[0002] Large-caliber balanced guns are experimental devices used for ground acceleration of large-caliber warheads. To achieve ultra-high kinetic energy launch of the warhead, ton-level massive modular propellant charges are required, involving sequentially loading multiple large-mass propellant modules (cylindrical) into the balanced gun's propellant chamber. Patent publication number CN120740383A discloses a "Packaging Cylinder for Modular Propellant Charges Made of High-Density Polypropylene." This invention uses packaging cylinders made of high-density polypropylene material, which significantly reduces the weight of a single cylinder compared to existing metal and plastic packaging cylinders, facilitating handling. Furthermore, the soft texture of this material effectively buffers the impact force between the propellant and the packaging cylinder during transport, reducing damage and ensuring the ballistic performance of the propellant. However, when loading ton-level modular propellant charges into large-caliber balanced guns, the large mass and quantity of the propellant modules, coupled with the fact that the contact between the modules and the inner wall of the balanced gun barrel is primarily surface-to-surface during loading, results in significant sliding friction. This leads to high thrust required for loading, operational difficulties, and even problems such as low loading efficiency and safety hazards.

[0003] In the existing technology, when the ton-class propellant module is directly advanced inside the barrel, the following problems mainly exist: the large contact area between the propellant module and the inner wall of the barrel leads to excessive sliding friction; the simultaneous advancement of multiple propellant modules requires a large thrust, resulting in high labor intensity for operators and the possibility of jamming or damage to the propellant module; the internal space of the barrel is limited, and traditional loading auxiliary tools occupy a large space and are complicated to operate, which is not conducive to rapid propellant loading. Summary of the Invention

[0004] The purpose of this invention is to provide a loading device and its design method for ton-class modular propellant charges in large-caliber balanced guns, solving the problem of excessive sliding friction and difficulty in loading and propulsion caused by the large-area contact between the massive propellant module and the inner wall of the barrel when loading ton-class modular propellant charges in large-caliber balanced guns. This device employs a combination of measures, including a modular main body and tail section structure to replace the large-area contact between the propellant module and the barrel with a smaller-area contact between the propellant module and the device; an embedded heavy-duty bullseye wheel for rolling the propellant module; a hollowed-out bottom to reduce the contact between the device and the barrel; and a tail section slope with self-weight assistance. These measures significantly reduce propulsion and extraction resistance without altering the barrel structure, achieving labor-saving, efficient, and safe ton-class modular propellant loading.

[0005] The technical solution for achieving the present invention is: a loading device for a large-caliber balanced gun with a ton-class modular charge, comprising:

[0006] Several main bodies are connected in sequence, and the number of main bodies is determined according to the length of the large-caliber balanced gun barrel.

[0007] A tail section, connected to the end of the main body, has a sloping track at its top that slopes towards the free end downstream;

[0008] Several connecting pieces are installed on both sides of the connection between two adjacent main bodies and on both sides of the connection between the main body and the tail section, and are fixed with clamping bolts to achieve axial connection of several main bodies and the tail section;

[0009] Several embedded heavy-duty bullseye wheels are arranged at equal intervals along the central axis of the top plane of the main body;

[0010] The loading device is placed inside a large-caliber balanced gun barrel. The top plane of the main body and the embedded heavy bullseye wheel together form the loading track for the propulsion module. The top of the tail section forms a track with a downward slope and smoothly transitions with the track of the previous main body.

[0011] A design method for a loading device for a large-caliber balanced gun with a ton-class modular propellant charge includes the following steps:

[0012] Step 1: Based on the inner diameter of the balanced gun barrel Barrel length Quality of the loading module Determine the number of subjects Length of a single body Maximum thickness of the main body Minimum thickness of the main body Tail segment length Maximum thickness of the tail section Minimum thickness of the connecting end of the tail section Minimum thickness of the free end of the tail section slope angle Proceed to step 2.

[0013] Step 2: Determine the key cross-sectional angles of the main body and tail section, including the overall included angle between the main body and tail section. First included angle Second angle The first included angle With the center of the circular arc at the bottom of the main cross-section as the vertex, and with this center intersecting with one side of the inverted... The angle between the line connecting the top and bottom of the slope is the second angle. The angle between the center of the arc of the bottom surface of the tail section cross-section and the lines connecting the center of the arc to the top and bottom of the slope on one side is taken as the vertex, and then proceed to step 3.

[0014] Step 3: Determine the parameters of the rectangular notch at the bottom of the main body, including the width of the rectangular notch. Height of the rectangular notch Determine the parameters of the right-angled trapezoidal prism notch at the bottom of the tail section, including the width of the right-angled trapezoidal prism notch. Connection end notch height Free end notch height Proceed to step 4.

[0015] Step 4: Determine the parameters of the connecting piece, including the length of the connecting piece. Width of connecting piece Proceed to step 5.

[0016] Step 5: Determine the diameter of the embedded heavy-duty bullseye wheel. ,quantity and spacing .

[0017] Compared with the prior art, the significant advantages of this invention are:

[0018] (1) The modular main body design allows for flexible increase or decrease in the number of main bodies according to different tube lengths, making it highly versatile.

[0019] (2) Main concave structure (inverted) The inclined plane, combined with the embedded heavy-duty bullseye wheel, transforms the contact between the charge module and the filling device into line contact and point contact, and introduces rolling friction, significantly reducing the thrust required to propel the charge module.

[0020] (3) Both the main body and the bottom of the tail section are provided with hollowed-out notches (rectangular, right-angled trapezoidal prism), which effectively reduces the contact area between the device and the inner wall of the tube, making the extraction process easier after loading the explosive.

[0021] (4) The tail section is set with the connecting end inclined towards the free end, and the self-weight of the charging module is used to achieve final positioning and auxiliary extraction, further reducing the operation intensity.

[0022] (5) The overall structural thickness is controlled to be no more than 25 mm at the thickest and no less than 10 mm at the thinnest, occupying very little radial space in the tube, making it suitable for use inside large-diameter tubes.

[0023] (6) The connection adopts a method of symmetrical connecting plates on both sides and clamping bolts for fastening, which is convenient for disassembly and assembly and has reliable connection strength. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of a loading device for a large-caliber balanced gun with a ton-class modular propellant charge according to the present invention.

[0025] Figure 2 This is a schematic diagram showing the structural parameters of the main structure of the present invention.

[0026] Figure 3This is a schematic diagram showing the structural parameters of the tail section structure of the present invention, wherein Figure (a) is the connecting end and Figure (b) is the free end.

[0027] Figure 4 This is a schematic diagram showing the connection between the main body and the main body, and between the main body and the tail section.

[0028] Figure 5 This is a schematic diagram showing the parameter annotations for the connecting piece.

[0029] The attached diagram shows the following labels: 1-Main body, 2-Tail section, 3-Connecting plate, 4-Clamping bolt, 5-Embedded heavy-duty bullseye wheel. -Maximum thickness of the main body -Minimum thickness of the main body - Maximum thickness of the tail section -Minimum thickness of the connection end -Minimum thickness at the free end -The overall angle between the main body and the tail section, -First included angle, -Second included angle, - Width of the main body notch - Depth of the main gap - Width of the tail section gap - Height of the notch at the tail section connection end - Height of the free end notch at the tail section -Connecting piece length, - Width of the connecting piece. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0031] like Figures 1-5 As shown, this invention discloses a loading device for a large-caliber balanced gun with a ton-class modular charge, comprising:

[0032] The device comprises three main bodies 1 connected sequentially; a tail section 2 connected to the end of the main body 1, with a sloping track at its top that slopes downwards to the free end; six connecting plates 3 installed on both sides of the connection between two adjacent main bodies 1 and the connection between the main body 1 and the tail section 2, and fixed with clamping bolts 4 to achieve axial connection of several main bodies 1 and the tail section 2; and several embedded heavy bullseye wheels 5 equidistantly arranged along the central axis of the top plane of the main body 1. The entire loading device is housed within a large-caliber balanced gun barrel. The top plane of the main body 1 and the embedded heavy bullseye wheels 5 together form the loading track for the propulsion module. The top of the tail section 2 forms a sloping track that slopes downwards to the free end, and smoothly transitions with the track of the preceding main body 1.

[0033] The bottom surface of the cross-section of the main body 1 is two circular arcs, with the diameter of the arcs being the same as the diameter of the body tube; the top surface of the cross-section has a concave structure, with inverted sides. The beveled surface, with the middle plane for mounting the embedded heavy-duty bullseye wheel 5; when loading the charge module, the two sides are inverted The inclined surface makes line contact with the charging module, and the charging module makes point contact with the embedded heavy-duty bullseye wheel 5, thereby converting most of the sliding friction into rolling friction and significantly reducing the contact area.

[0034] The bottom of the cross-section of tail section 2 is two circular arcs, with the diameter of the arcs being the same as the diameter of the barrel; the top of the cross-section is... Type structure, when loading the charge module, The inclined surfaces on both sides and the central protrusion of the structure form line contact with the charge module; the top of the tail section 2 has a slope that gradually decreases from the connecting end to the free end. The slope is used to utilize the self-weight of the charge module to assist in the final stage of advancement and extraction, saving effort.

[0035] The main body 1 has a through rectangular notch along its length at the bottom, and the tail section 2 has a right-angled trapezoidal prism notch at the bottom. The height of the right-angled trapezoidal prism notch gradually decreases from the connection end connected to the main body 1 to the free end. The rectangular notch of the main body 1 and the right-angled trapezoidal prism notch of the tail section 2 are used to reduce the contact area between the main body 1, the tail section 2 and the barrel, so that the device can be extracted from the barrel and the module charge after the charge module is loaded. Curved supports are retained on both sides of the rectangular notch of the main body 1 and the right-angled trapezoidal prism notch of the tail section 2. When the device is placed in the barrel of a large-caliber balanced gun, the curved supports can fit against the inner wall of the barrel and maintain the positioning stability of the device.

[0036] The maximum thickness of the filling device shall not exceed 25 mm, and the minimum thickness shall not be less than 10 mm.

[0037] The main body 1 has symmetrically distributed threaded holes on both sides at both ends, and the tail section 2 has symmetrically distributed threaded holes on both sides at both ends of the connecting end. The connecting piece 3 is an oblong flat plate with an oblong hole in the center for the clamping bolt 4 to pass through. After the clamping bolt 4 passes through the connecting piece 3, it is screwed into the threaded holes of the two adjacent components to achieve clamping and fixing on both sides. In use, the main body 1 and the tail section 2 are connected by installing the connecting piece 3 to meet the length requirements of the device. This design makes the device highly versatile and flexible.

[0038] The design method of the loading device for a large-caliber balanced gun with a ton-class modular charge, as described in this invention, comprises the following specific steps:

[0039] Step 1: Based on the inner diameter of the balanced gun barrel Barrel length Quality of the loading module Determine the number of main body 1 1 unit length Maximum thickness of main body 1 Minimum thickness of main body 1 Tail section 2 length Maximum thickness of tail section 2 Minimum thickness of the connecting end of tail section 2 Minimum thickness of the free end of tail section 2 slope angle .

[0040] Step 2: Determine the key angles of the cross-sections of the main body 1 and the tail section 2, including the overall angle between the main body (1) and the tail section (2). First included angle Second angle The overall angle between the main body 1 and the tail section 2 is... First included angle The second included angle First included angle With the center of the bottom arc of the cross-section of the main body (1) as the vertex, and with this center intersecting with one side of the inverted... The angle between the line connecting the top and bottom of the slope is the second angle. The angle is defined by taking the center of the arc of the bottom surface of the cross section of the tail segment (2) as the vertex and the line connecting the center of the arc to the top and bottom of the slope on one side as the sides.

[0041] Step 3: Determine the parameters of the bottom rectangular notch of the main body (1), including the width of the rectangular notch. Height of the rectangular notch Determine the parameters of the right-angled trapezoidal prism notch at the bottom of the tail section (2), including the width of the right-angled trapezoidal prism notch. Connection end notch height Free end notch height The parameters of the rectangular notch at the bottom of main body 1 are determined according to the following geometric relationships:

[0042] ,

[0043] ,

[0044] The parameters of the right-angled trapezoidal prism notch at the bottom of tail section 2 are determined according to the following relationship:

[0045] ,

[0046] Connection end

[0047] Free end

[0048] The height of the gap from the connecting section to the free end decreases linearly along the axial direction, forming a gradual structure.

[0049] Step 4: Determine the structural parameters of connecting piece 3:

[0050] Step 4-1: Determine the length of connecting piece 3 based on the thread hole spacing and safety margin. ;

[0051] Step 4-2: Based on the thickness of the main body 1, set the width of the connecting piece 3. .

[0052] Step 5: Determine the parameters of the embedded heavy-duty bullseye wheel 5:

[0053] Step 5-1: Determine the diameter of the embedded heavy-duty bullseye wheel 5 based on the thickness of the main body 1 and the load-bearing requirements. and quantity ;

[0054] Step 5-2: Based on the principle of uniform length distribution of the main body 1, determine the spacing of the embedded heavy-duty bullseye wheels 5. .

[0055] When using the loading device for the large-caliber balanced gun ton-class modular propellant of the present invention, first use the connecting piece 3 and the clamping bolt 4 to connect the main body 1 and the tail section 2 in sequence to assemble the device. Place the device at the bottom of the inner cavity of the large-caliber balanced gun barrel, confirm that the device is placed stably, and then place the cylindrical propellant modules in sequence on the device track. Then, multiple propellant modules can be pushed together to the predetermined position. Finally, the device can be pulled out to complete the propellant loading.

[0056] As described above, the present invention has a simple structure and is easy to operate. Compared with the traditional method of directly placing the propellant module inside the large-caliber balanced gun barrel to jointly propel the propellant module, the present invention can greatly reduce the thrust required for the propellant loading of the large-caliber balanced gun's ton-class module, thereby improving the propellant loading efficiency. At the same time, it reduces the friction between the propellant module and the large-caliber balanced gun barrel, thereby improving the safety of the propellant loading.

Claims

1. A loading device for a large-caliber balanced gun with a ton-class modular propellant charge, characterized in that, include: Several main bodies (1) are connected in sequence. The number of main bodies (1) is determined according to the length of the large-caliber balanced gun barrel. A tail section (2) is connected to the end of the main body (1) and has a sloping track at the top that slopes toward the free end downstream; Several connecting pieces (3) are installed on both sides of the connection between two adjacent main bodies (1) and on both sides of the connection between the main body (1) and the tail section (2), and are fixed with clamping bolts (4) to achieve axial connection of several main bodies (1) and tail section (2); Several embedded heavy-duty bullseye wheels (5) are arranged at equal intervals along the central axis of the top plane of the main body (1); The loading device is placed inside the large-caliber balanced barrel. The top plane of the main body (1) and the embedded heavy bullseye wheel (5) together form the loading track for the propulsion of the charge module. The top of the tail section (2) forms a slope track that slopes downwards and smoothly transitions with the track of the previous main body (1).

2. The loading device for a large-caliber balanced gun with a ton-class modular propellant charge according to claim 1, characterized in that: The bottom surface of the cross-section of the main body (1) is two circular arcs, the diameter of which is the same as the diameter of the tube; the top surface of the cross-section has a concave structure, with inverted sides. The inclined surface, with the middle plane used for mounting the embedded heavy-duty bullseye wheel (5); when loading the drug loading module, the two sides are inverted The inclined surface is in line contact with the charging module, and the charging module is in point contact with the embedded heavy-duty bullseye wheel (5).

3. A loading device for a large-caliber balanced gun with a ton-class modular propellant charge according to claim 1 or 2, characterized in that: The bottom of the cross-section of the tail section (2) is two circular arcs, the diameter of which is the same as the diameter of the barrel; the top of the cross-section is... Type structure, when loading the charge module, The inclined surfaces on both sides and the central protrusion of the structure form a line contact with the charge module; the top of the tail section (2) has a slope that gradually decreases from the connecting end to the free end.

4. A loading device for a large-caliber balanced gun with a ton-class modular propellant charge according to claim 1 or 3, characterized in that: The bottom of the main body (1) has a through rectangular notch along the length direction; the bottom of the tail section (2) has a right-angled trapezoidal prism notch, the height of which gradually decreases from the connection end connected to the main body (1) to the free end; the maximum thickness of the filling device is no more than 25mm, and the thickness at the thinnest point is no less than 10mm.

5. A loading device for a large-caliber balanced gun with a ton-class modular propellant charge according to claim 1, characterized in that: The main body (1) has symmetrically distributed threaded holes on both sides of its ends, and the connecting end of the tail section (2) has symmetrically distributed threaded holes on both sides of its ends; the connecting piece (3) is an oblong flat plate component with an oblong hole in the center for the clamping bolt (4) to pass through; after the clamping bolt (4) passes through the connecting piece (3), it is screwed into the threaded holes of the two adjacent components to achieve clamping and fixing on both sides.

6. A design method for a loading device for a large-caliber balanced gun with a ton-class modular charge as described in any one of claims 1 to 5, characterized in that: Includes the following steps: Step 1: Based on the inner diameter of the balanced gun barrel Barrel length Quality of the loading module Determine the number of subjects (1) Length of a single entity (1) 、Main body (1) Maximum thickness , Body (1) Minimum thickness Length of tail segment (2) Maximum thickness of tail section (2) Minimum thickness of the connecting end of the tail section (2) Minimum thickness of the free end of tail section (2) slope angle Proceed to step 2; Step 2: Determine the key angles of the cross sections of the main body (1) and the tail section (2), including the overall included angle between the main body (1) and the tail section (2). First included angle Second angle The first included angle With the center of the bottom arc of the cross-section of the main body (1) as the vertex, and with this center intersecting with one side of the inverted... The angle between the line connecting the top and bottom of the slope is the second angle. The angle between the center of the bottom arc of the cross section of the tail segment (2) and the line connecting the center of the arc to the top and bottom of the slope on one side is taken as the side, and then proceed to step 3. Step 3: Determine the parameters of the bottom rectangular notch of the main body (1), including the width of the rectangular notch. Height of the rectangular notch Determine the parameters of the right-angled trapezoidal prism notch at the bottom of the tail section (2), including the width of the right-angled trapezoidal prism notch. Connection end notch height Free end notch height Proceed to step 4; Step 4: Determine the parameters of the connecting piece (3), including the length of the connecting piece (3). Width of connecting piece (3) Proceed to step 5; Step 5: Determine the diameter of the embedded heavy-duty bullseye wheel (5). ,quantity and spacing .

7. The design method of the loading device for a large-caliber balanced gun with a ton-class modular charge according to claim 6, characterized in that: In step 2, the overall angle between the main body (1) and the tail section (2) is... First included angle The second included angle .

8. The design method of the loading device for a large-caliber balanced gun with a ton-class modular charge according to claim 7, characterized in that: In step 3, the parameters of the rectangular notch at the bottom of the main body (1) are determined according to the following geometric relationship: ， ， The parameters of the right-angled trapezoidal prism notch at the bottom of the tail section (2) are determined according to the following relationship: ， Connection end Free end The height of the gap from the connecting section to the free end decreases linearly along the axial direction, forming a gradual structure.

9. The design method of a loading device for a large-caliber balanced gun with a ton-class modular charge according to claim 8, characterized in that: Step 4 determines the structural parameters of the connecting piece (3), specifically including: Step 4-1: Determine the length of the connecting piece (3) based on the thread hole spacing and safety margin. ; Step 4-2: Based on the thickness of the main body (1), set the width of the connecting piece (3). .

10. The design method of the loading device for a large-caliber balanced gun with a ton-class modular charge according to claim 9, characterized in that: In step 5, the parameters of the embedded heavy-duty bullseye wheel (5) are determined, specifically including: Step 5-1: Determine the diameter of the embedded heavy-duty bullseye wheel (5) based on the thickness of the main body (1) and the load-bearing requirements. and quantity ; Step 5-2: Determine the spacing of the embedded heavy-duty bullseye wheels (5) based on the uniform distribution of the length of the main body (1). .

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