CN115752121A - A bullet holds in palm for special-shaped projectile body - Google Patents
A bullet holds in palm for special-shaped projectile body Download PDFInfo
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- CN115752121A CN115752121A CN202211589801.7A CN202211589801A CN115752121A CN 115752121 A CN115752121 A CN 115752121A CN 202211589801 A CN202211589801 A CN 202211589801A CN 115752121 A CN115752121 A CN 115752121A
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- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000011160 research Methods 0.000 abstract description 6
- 230000001788 irregular Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000806 elastomer Substances 0.000 description 8
- 206010066054 Dysmorphism Diseases 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The invention provides a bullet holder for a special-shaped bullet, which belongs to the technical field of ultra-high-speed collision loading tests and comprises a base, wherein the base is used for abutting against one end of the special-shaped bullet and forming an included angle with a calibration surface structure of the special-shaped bullet; the axial abutting part is connected with the base, one end of the axial abutting part, which is far away from the base, is provided with an abutting surface structure, and the abutting surface structure is used for being matched with the calibration surface and abutting against the calibration surface; the circumference locating parts are connected with the base, and the plurality of circumference locating parts are used for being arranged on the circumferential side of the special-shaped projectile body and abutting against the circumferential side wall of the special-shaped projectile body. The bullet holder for the special-shaped bullet body can be suitable for impact damage test research of the special-shaped bullet body with an irregular shape, meets the requirement of impact loss test research of typical components with different shapes simulated in a laboratory, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of ultra-high-speed collision loading tests, in particular to a bullet holder for a special-shaped bullet body.
Background
In the research of mechanical properties of materials and structures, impact is a common phenomenon, for example, in the field of aviation, when an aircraft is attacked by foreign objects such as stones, metal parts, hailstones, birds and the like in the processes of taking off, landing and flying, the structures such as engine blades of the aircraft can be damaged, and serious accidents can be caused.
To perform laboratory studies on impact damage of typical components (e.g., aircraft engine blades), air cannons are currently used to fire projectiles to simulate foreign object impact damage of typical components. The size of the light gas gun barrel is often fixed, and a bullet support matched with the caliber of the light gas gun is usually used for accelerating in the barrel so as to complete the impact damage test research of foreign objects. However, the conventional sabot is only suitable for regularly shaped (usually cylindrical) projectiles due to the need for separation, and cannot satisfy the study of impact damage test for irregularly shaped projectiles (e.g., non-cylindrical projectiles).
Disclosure of Invention
The invention aims to solve the problem of how to improve the applicability of the bullet holder to a certain extent so as to meet the impact damage test research of the special-shaped bullet body.
In order to solve the above problems at least to a certain extent, in a first aspect, the present invention provides a bullet holder for a specially-shaped bullet body, which includes a base, wherein the base is used for abutting against one end of the specially-shaped bullet body, and the base is used for forming an included angle with a calibration surface structure of the specially-shaped bullet body; the axial abutting part is connected with the base, one end, far away from the base, of the axial abutting part is provided with an abutting surface structure, and the abutting surface structure is used for being matched with the calibration surface and abutting against the calibration surface; the circumference locating part, the circumference locating part with the base is connected, and is a plurality of the circumference locating part is used for setting up week side of special-shaped elastomer and with week side wall butt of special-shaped elastomer.
Optionally, the circumferential position-limiting element and the axial abutting element are mounted on the base in a position-adjustable manner.
Optionally, the bullet that is used for special-shaped projectile body holds in palm still includes first connecting piece, be equipped with a plurality of mounting holes on the base, circumference locating part includes spacing post, first connecting piece be used for passing behind the mounting hole with spacing post connection.
Optionally, the limit column is perpendicular to the base, and the limit column is used for extending a preset length along the axial direction of the gun barrel of the light gas gun.
Optionally, the bullet holder for special-shaped projectile body still includes the second connecting piece, axial butt piece pass through the second connecting piece with the base can dismantle the connection.
Optionally, the axial abutting piece comprises a supporting column and an abutting plate, one end of the supporting column is connected with the abutting plate, and the other end of the supporting column is connected with the base.
Optionally, the base, the circumferential limit piece, and the axial abutment piece are made of aluminum alloy.
Optionally, the sabot for the special-shaped projectile body further comprises an installation cylinder, wherein the peripheral side wall of the installation cylinder is used for being in clearance fit with the inner wall of the barrel of the light gas gun, the inner wall of the installation cylinder and the bottom plate form a containing cavity structure, the peripheral side wall of the base is used for being in clearance fit with the inner wall of the installation cylinder, the base is used for being contained in the containing cavity structure, and the base is abutted to the bottom plate.
Optionally, the outer diameter of the base is larger than the aperture setting of the separation holes of the separator.
Optionally, the material of the mounting cylinder is polyethylene.
Compared with the prior art, the beneficial effects of the invention comprise the following aspects:
the base is abutted against one end of the special-shaped projectile body, the base is arranged on the peripheral side of the special-shaped projectile body through the plurality of circumferential limiting parts and abutted against the peripheral side wall of the special-shaped projectile body, the plurality of circumferential limiting parts are circumferentially limited to the special-shaped projectile body, the special-shaped projectile body is prevented from being circumferentially deviated in the ejection process, the flying posture of the special-shaped projectile body can be kept to a certain extent when the special-shaped projectile body is separated from a projectile support used for the special-shaped projectile body through a separator, the special-shaped projectile body is conveniently separated from the projectile support used for the special-shaped projectile body through the separator, meanwhile, the axial abutting part is connected with the base, one end, far away from the base, of the axial abutting part is provided with an abutting surface structure, the abutting surface structure is matched with a calibration surface structure arranged at an included angle between the abutting surface structure and the base, the abutting surface structure and the calibration surface structure of the axial abutting part are connected, the contact area between the special-shaped projectile body and the projectile support used for the special-shaped projectile body is increased, and the contact area of the special-shaped projectile body in the special-shaped projectile body is increased when high-shaped gas pressure gas of the light gas gun is transmitted to the instantaneous acting force of the special-shaped projectile body in the axial direction, and the special-shaped projectile body in the gun barrel. In addition, the impact damage test experiment requires that the launching speed of the projectile is high, and the thrust generated by high-pressure gas of the light gas gun is limited, but the bullet holder for the special-shaped projectile of the invention installs the special-shaped projectile on the bullet holder for the special-shaped projectile through the axial abutting part and the circumferential limiting part, so that the overall lightweight design is facilitated, compared with the existing bullet holder, the thrust required for reaching the preset impact speed is small, and the requirement on the light gas gun is low.
Drawings
Fig. 1 is a schematic structural view of a receptacle for a shaped projectile in an embodiment of the present invention;
fig. 2 is a schematic structural view of another perspective of a sabot for shaped projectiles in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bullet holder for a shaped bullet in another view in the embodiment of the invention;
fig. 4 is a schematic structural view of a sabot and a separator for a shaped projectile in an embodiment of the present invention.
Description of the reference numerals:
1-base, 11-mounting hole, 2-circumferential limiting piece, 21-flange, 3-axial abutting piece, 31-supporting column, 32-abutting plate, 33-abutting surface structure, 4-special-shaped elastomer, 41-calibration surface structure, 5-mounting cylinder, 51-bottom plate, 6-separator and 61-separation hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
In the drawings, the Z-axis represents the vertical, i.e., up-down, position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents a horizontal direction and is designated as a left-right position, and a positive direction of the X-axis (i.e., an arrow direction of the X-axis) represents a right side and a negative direction of the X-axis (i.e., a direction opposite to the positive direction of the X-axis) represents a left side; in the drawings, the Y-axis indicates the front-rear position, and the positive direction of the Y-axis (i.e., the arrow direction of the Y-axis) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the Z-axis, Y-axis, and X-axis are only meant to facilitate the description of the invention and to simplify the description, and are not meant to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention.
In the correlation technique, conveniently be fixed in the bullet with the body and hold in the palm on, and can hold in the palm rigid collision through separator and bullet and realize bullet support and body separation to avoid causing the additional damage of test piece, the body of cylinder class can only be loaded to current body, to the typical component of anomalous shape, can't carry out the foreign object and strike damage test research.
As shown in fig. 1 to 4, to solve the above technical problems, an embodiment of the present invention provides a bullet holder for a specially-shaped bullet, which includes a base 1, the base 1 is used for abutting against one end of the specially-shaped bullet 4, and the base 1 is used for forming an included angle with a calibration surface structure 42 of the specially-shaped bullet 4; the axial abutting piece 3 is connected with the base 1, one end, far away from the base 1, of the axial abutting piece 3 is provided with an abutting surface structure 33, and the abutting surface structure 33 is used for being matched with the calibration surface structure 41 and abutting against the calibration surface structure 42; the circumferential limiting pieces 2 are connected with the base 1, and the plurality of circumferential limiting pieces 2 are arranged on the circumferential side of the special-shaped elastomer 4 and abut against the circumferential side wall of the special-shaped elastomer 4.
Illustratively, the base 1 may be a plate-shaped structure with a certain thickness, the cross-sectional shape of the plate-shaped structure is circular, the peripheral sidewall of the base 1 may be matched with the inner sidewall of the light-gas gun, after one end of the special-shaped projectile body 4 abuts against the base 1, the calibration surface structure 41 of the special-shaped projectile body 4 is arranged at an included angle with the base 1, it should be noted that the special-shaped projectile body 4 may be a polyhedron with an irregular shape and has a plurality of surfaces, wherein the special-shaped projectile body 4 includes a first end and a second end, the first end of the special-shaped projectile body 4 is an end close to the base 1, the calibration surface structure 41 is located at the first end of the special-shaped projectile body 4 and is inclined with respect to one or more surfaces of the surface of the base 1, the second end of the special-shaped projectile body 4 is an end colliding with a test piece, as exemplified by taking the special-shaped support for the special-shaped projectile body shown in fig. 1 to 3, the calibration surface structure 41 of the special-shaped projectile body 4 is a structure which is a structure and may be arranged at an included angle with the base 1, the axial abutment member 3 is arranged between the base 1 and the calibration surface structure 41, and the end face of the base 1 is an included angle with the base 1, and the axial abutment member 31 is an included angle with the base 1, and the axial abutment structure 31 is an end face of the base 1. It should be noted that the calibration face structure 41 of the shaped projectile body 4 may be a cambered surface and other irregular face structures, when one end of the shaped projectile body 4 close to the base 1 comprises a plurality of calibration face structures 41, correspondingly, a plurality of axial abutments 3 may be correspondingly arranged between the calibration face structures 41 and the base 1, wherein the abutment face structure 33 of each axial abutment 3 matches with its corresponding calibration face structure 41.
The advantage of the arrangement is that the base 1 is abutted against one end of the special-shaped projectile body 4, the plurality of circumferential limiting pieces 2 are arranged on the circumferential side of the special-shaped projectile body 4 and abutted against the circumferential side wall of the special-shaped projectile body 4, so that the plurality of circumferential limiting pieces 2 form circumferential limiting on the special-shaped projectile body 4, the special-shaped projectile body 4 is prevented from being shifted in the circumferential direction in the ejection process, the flying posture of the special-shaped projectile body 4 when the special-shaped projectile body is separated from the projectile support for the special-shaped projectile body through the separator can be kept to a certain extent, and the special-shaped projectile body 4 is conveniently separated from the projectile support for the special-shaped projectile body through the separator; simultaneously, be connected axial butt piece 3 and base 1, the one end that base 1 was kept away from to axial butt piece 3 is equipped with butt face structure 33, butt face structure 33 and special-shaped projectile body 4 and base 1 are the calibration face structure 41 phase-match of contained angle setting, and with the butt face structure 33 and the calibration face structure 41 butt of axial butt piece 3, increase the area of contact of special-shaped projectile body 4 with the sabot that is used for special-shaped projectile body, when the high-pressure gas of light gas cannon transmits the instant effort to special-shaped projectile body through the sabot that is used for special-shaped projectile body, can improve special-shaped projectile body 4 and launch the stability at the axial direction in-process in the barrel. In addition, the impact damage test experiment requires that the launching speed of the projectile is high, and the thrust generated by high-pressure gas of the light gas gun is limited, but the bullet holder for the special-shaped projectile of the invention is used for mounting the special-shaped projectile 4 on the bullet holder for the special-shaped projectile through the axial abutting part 3 and the circumferential limiting part 2, so that the overall lightweight design is facilitated, compared with the existing bullet holder, the thrust required for reaching the preset impact speed is small, and the requirement on the light gas gun is low.
As shown in fig. 1 to 3, optionally, the circumferential stop 2 and the axial abutment 3 are mounted on the base 1 in a position-adjustable manner.
So, install circumference locating part 2 and axial butt piece 3 position on base 1 adjustably, conveniently install the dysmorphism elastomer 4 of different shapes on the bullet that is used for the dysmorphism elastomer holds in the palm, improve the convenience and the suitability that are used for the bullet of dysmorphism elastomer to hold in the palm.
As shown in fig. 1 to fig. 3, optionally, the bullet holder for the special-shaped bullet body further includes a first connecting member, the base 1 is provided with a plurality of mounting holes 11, the circumferential limiting member 2 includes a limiting post, and the first connecting member is connected to the limiting post after passing through the mounting holes 11.
Illustratively, the first connecting piece may be a bolt, the limiting column may be a rod-shaped structure having a certain length, one end of the limiting column connected to the base 1 is provided with a flange 21, and the first connecting piece penetrates through the mounting hole 11 on the base 1 and a connecting hole on the flange 21 to connect the limiting column to the base 1.
So, be equipped with a plurality of mounting holes 11 on base 1, circumference locating part 2 includes spacing post, according to the shape structure of dysmorphism body 4, selects the mounting hole 11 that the connecting piece passed to with spacing post connection, thereby install spacing post on base 1 suitable position, with the circumference that forms dysmorphism body 4 spacing.
As shown in fig. 1 to 3, optionally, the limiting column is disposed perpendicular to the base 1, and the limiting column is disposed to extend along the axial direction of the barrel of the light gas gun by a preset length.
Illustratively, the length of the limit post may be set according to the size of the shaped projectile 4 in the axial direction (Y-axis direction), for example, the length of the limit post may be 2/3 of the size of the shaped projectile 4 in the axial direction, or the length of the limit post may be greater than the size of the shaped projectile 4 in the axial direction.
So, set up spacing post perpendicular to base 1, and spacing post is used for following the axial extension of light gas big gun barrel and predetermines length, on the one hand, can form the circumference restraint to special-shaped projectile body 4, another direction, when special-shaped projectile body 4 pops out from the barrel mouth of light gas big gun and special-shaped projectile body 4 passes through the separator and when being used for the bullet support separation of special-shaped projectile body, can guarantee that special-shaped projectile body 4 has stable motion gesture and orbit for special-shaped projectile body 4 can accurately strike the testpieces.
As shown in fig. 1 to 3, optionally, the receptacle for shaped projectiles further comprises a second connector, through which the axial abutment member 3 is detachably connected to the base 1.
For example, the bottom of the axial abutment 3 may be provided with an internally threaded hole, and the second connecting member may be a bolt, which is threaded into the axial abutment 3 after passing through the mounting hole 11.
So, axial butt piece 3 can dismantle with base 1 through the second connecting piece and be connected, makes things convenient for the dismouting of axial butt piece 3 on base 1 to conveniently adjust the mounted position of axial butt piece 3 on base 1, and, improve the steady shape and the reliability that axial butt piece 3 is connected with base 1.
As shown in fig. 1 to 3, optionally, the axial abutment 3 comprises a support column 31 and an abutment plate 32, one end of the support column 31 is connected with the abutment plate 32, and the other end of the support column 31 is connected with the base 1.
Illustratively, the supporting columns 31 and the abutting plates 32 may be integrally formed, the connecting manner of the supporting columns 31 and the base 1 is a detachable connecting manner such as a threaded connection, a snap connection, etc., the abutting plates 32 are plate-shaped structures with a certain thickness, and the cross-sectional shapes of the supporting columns 31 are adaptively set according to the calibration surface structure 41 of the specially-shaped projectile body 4, it should be noted that the number of the supporting columns 31 may be multiple, and the supporting columns may be set according to the size of the abutting plates 32, for example, the number of the supporting columns 31 may be two, and the two supporting columns 31 are respectively disposed at two ends of the abutting plates 32.
So, axial butt piece 3 includes support column 31 and butt board 32, is connected the one end and the butt board 32 of support column 31, and the other end and the base 1 of support column 31 are connected, under the effect of light gas big gun high-pressure gas's thrust in the twinkling of an eye, guarantee the support intensity of butt to special-shaped projectile body 4, in addition, also be favorable to being used for the lightweight design of the bullet support of special-shaped projectile body.
Optionally, the base 1, the circumferential limit piece 2, and the axial abutment piece 3 are made of aluminum alloy.
So, be favorable to being used for the holistic lightweight design of bullet support of special-shaped projectile body, reduce the requirement to the light gas big gun.
As shown in fig. 3 and 4, optionally, the receptacle for the special-shaped projectile body further includes a mounting barrel 5, a peripheral side wall of the mounting barrel 5 is used for clearance fit with an inner wall of a barrel of the light-gas gun, an inner wall of the mounting barrel 5 and the bottom plate 51 form a containing cavity structure, a peripheral side wall of the base 1 is used for clearance fit with an inner wall of the mounting barrel 5, the base 1 is used for being contained in the containing cavity structure, and the base 1 abuts against the bottom plate 51.
Illustratively, the mounting barrel 5 is a tubular structure having a length, and the length thereof may be set according to the dimension of the shaped projectile 4 in the axial direction, for example, the length of the mounting barrel 5 is the same as the dimension of the shaped projectile 4 in the axial direction, so that the receptacle for the shaped projectile and the shaped projectile 4 as a whole may be placed in the mounting barrel 5.
Thus, when an impact loss test experiment is carried out, the sabot for the special-shaped projectile body, on which the special-shaped projectile body 4 is mounted, is placed in the mounting cylinder 5, so that the base 1 abuts against the bottom plate 51 of the mounting cylinder 5, the peripheral side wall of the base 1 is in clearance fit with the mounting cylinder 5, the mounting cylinder 5 is placed in the barrel of the light gas gun, the peripheral side wall of the mounting cylinder 5 is in clearance fit with the inner wall of the light gas gun, thrust can be transmitted to the base 1 through the mounting cylinder 5 under the derivation of high-pressure gas of the light gas gun, the phenomenon that the axis of the base 1 deviates from the axis of the barrel under the action of large instantaneous thrust can be effectively avoided, the movement track and flight attitude of the sabot for the special-shaped projectile body and the special-shaped projectile body 4 are influenced, and the impact damage test result is further influenced; meanwhile, the mounting barrel 5 can provide guidance for the movement of the bullet holder for the special-shaped projectile body in the gun barrel, and can keep the ejection posture of the special-shaped projectile body 4 from the gun barrel to a certain extent.
As shown in fig. 3 to 4, alternatively, the outer diameter of the base 1 is set larger than the hole diameter of the separation hole 61 of the separator 6.
Illustratively, the aperture of the separation hole 61 of the separator 6 may be slightly smaller than the outer diameter of the base 1, and it should be noted that the aperture of the separation hole 61 may be used for passing through the circumferential limiting part 2, the axial abutting part 3 and the special-shaped projectile body 4, so that it may be avoided that the separator 6 is in rigid collision with the circumferential limiting part 2 and the axial abutting part 3 in advance, which leads to the flight track deviation of the special-shaped projectile body 4, and after the separator 6 is in collision with the mounting cylinder 5 and the base 1 in sequence, the special-shaped projectile body 4 passes through the separation hole, which realizes the separation of the special-shaped projectile body 4 and the projectile holder used for the special-shaped projectile body, and avoids causing additional damage to the test piece.
Optionally, the material of the mounting tube 5 is polyethylene.
Therefore, the friction force of the installation barrel 5 in the gun barrel is small, and the effect of protecting the gun barrel can be achieved to a certain extent.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. A sabot for a profiled projectile comprising:
the special-shaped projectile body structure comprises a base (1), wherein the base (1) is used for being abutted against one end of a special-shaped projectile body (4), and the base (1) is used for forming an included angle with a calibration surface structure (41) of the special-shaped projectile body (4);
the axial abutting piece (3), the axial abutting piece (3) is connected with the base (1), one end, far away from the base (1), of the axial abutting piece (3) is provided with an abutting surface structure (33), and the abutting surface structure (33) is used for being matched with the calibration surface structure (41) and abutting against the calibration surface structure (41);
the circumference locating part (2), circumference locating part (2) with base (1) is connected, and is a plurality of circumference locating part (2) are used for setting up week side of special-shaped projectile body (4) and with week side wall butt of special-shaped projectile body (4).
2. The receptacle for shaped projectiles according to claim 1 wherein the circumferential stop (2) and the axial abutment (3) are mounted on the base (1) in a position adjustable manner.
3. The bullet holder for shaped bullets as in claim 2 further comprising a first connecting member, wherein said base (1) is provided with a plurality of mounting holes (11), said circumferential limit member (2) comprises a limit post, and said first connecting member is adapted to pass through said mounting holes (11) and then connect with said limit post.
4. The sabot for profiled projectiles as claimed in claim 3 wherein said limit post is disposed perpendicular to said base (1) and said limit post is configured to be disposed along the axial extension of the barrel of a light gas gun by a predetermined length.
5. The receptacle for shaped projectiles as claimed in claim 1 further comprising a second connector by which said axial abutment (3) is removably connected to said base (1).
6. The receptacle for shaped projectiles as claimed in claim 5, wherein said axial abutment (3) comprises a supporting pillar (31) and an abutment plate (32), one end of said supporting pillar (31) being connected to said abutment plate (32) and the other end of said supporting pillar (31) being connected to said base (1).
7. The receptacle according to any of the claims from 1 to 6, characterized in that the material of the base (1), of the circumferential stop (2) and of the axial abutment (3) is an aluminium alloy.
8. The receptacle for special-shaped bullets as claimed in any one of claims 1 to 6, further comprising a mounting barrel (5), wherein the peripheral side wall of the mounting barrel (5) is used for clearance fit with the inner wall of the barrel of the light-gas gun, the inner wall of the mounting barrel (5) and the bottom plate (51) form a containing cavity structure, the peripheral side wall of the base (1) is used for clearance fit with the inner wall of the mounting barrel (5), the base (1) is used for containing in the containing cavity structure, and the base (1) abuts against the bottom plate (51).
9. The receptacle for shaped projectiles as claimed in claim 8 wherein said base (1) has an outer diameter greater than the diameter of the separator holes (61) of the separator (6).
10. A receptacle for shaped projectiles as claimed in claim 8 wherein the material of the mounting barrel (5) is polyethylene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211589801.7A CN115752121B (en) | 2022-12-12 | 2022-12-12 | Bullet holder for special-shaped bullet body |
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|---|---|---|---|
| CN202211589801.7A CN115752121B (en) | 2022-12-12 | 2022-12-12 | Bullet holder for special-shaped bullet body |
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| CN115752121B CN115752121B (en) | 2024-04-19 |
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| CN111579190A (en) * | 2020-04-27 | 2020-08-25 | 南京航空航天大学 | Horizontal ejection-impact type blade bird-cutting test device and test method |
| CN212409508U (en) * | 2020-09-24 | 2021-01-26 | 中国人民解放军军事科学院国防工程研究院 | Full-wrapping type secondary caliber bullet support structure for bullet body with tail wing |
| CN114858397A (en) * | 2022-07-05 | 2022-08-05 | 中国飞机强度研究所 | Muzzle gas evacuation device and method for airplane component impact test |
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