Bucket weapon launching test device

Abstract

The invention relates to a barrel weapon launching test device which comprises a barrel, a powder chamber and a cannon tail part. The barrel is a motion section of the projectile; the gunpowder chamber is used for filling gunpowder; the cannon tail part mainly comprises a tail shell, a bolt part and a rubber sleeve and is used for blocking the powder chamber and firing for ignition; the tail shell part mainly comprises a tail shell and an inner negative electrode connecting piece and is covered outside the medicine chamber; and the bolt part mainly comprises a bolt and an inner positive electrode connecting piece and is arranged in the center of the tail shell. Compared with the prior art, the simulation test device has the advantages that the simple structure and principle are applied, the test launching work of the barrel weapon can be achieved, and meanwhile the simulation test device is small in size, simple in structure, easy to operate, safe, reliable, economical and practical.

Description

Technical Field

[0001] The invention relates to the field of weapon launching systems, in particular to a tube weapon launching test device. Background Art

[0002] The current development of artillery shows a trend of diversification, efficiency and intelligence. As an important ground fire support weapon, artillery has undergone a transformation from simple to complex and from single-purpose to multi-purpose. With the advancement of science and technology and changes in battlefield requirements, modern artillery has significantly improved in performance, accuracy, range, etc. For example, some new artillery uses advanced guidance technology, which can achieve high-precision strikes in complex environments, greatly improving combat efficiency. In addition, the production and maintenance of artillery are becoming more and more efficient, reducing the cost of use and improving the combat capability of the troops.

[0003] With the continuous development of artillery ammunition and propulsion technology, range will no longer be a bottleneck limiting artillery performance. In the future, artillery will be able to achieve longer and more precise strikes. In order to cope with the rapidly changing battlefield environment in modern warfare, the firing rate of artillery will continue to increase to achieve more efficient strikes. On the other hand, artillery will pay more attention to the improvement of precision guidance and strike capabilities. By introducing more advanced sensors and guidance technologies, artillery will be able to achieve higher strike accuracy and greater lethality. The degree of automation of artillery will be further improved, reducing the operational burden of the gun crew and improving battlefield adaptability. However, the development trend of artillery is also affected by some limiting factors. For example, the improvement of range and lethality faces restrictions in terms of ammunition energy density, physical properties and international arms control agreements. The improvement of the intelligence and automation level of artillery also faces technical challenges such as software algorithms, data transmission and network security.

[0004] The scientific research and experimental research on gunpowder is an indispensable part in the current military research field. The structure of standard artillery is mainly composed of two parts: the gun body and the gun carriage. The gun body part is composed of the barrel, the breech block, the breech block and the muzzle device, while the gun carriage part is composed of the recoil device, the cradle, the upper frame, the height machine, the direction machine, the balance machine, the aiming device, the lower frame, the large frame and the moving body. The structural design of the artillery takes into account factors such as long-term accurate firing, change of firing direction, recoil energy processing, and light aiming structure to ensure the effectiveness and operability of the artillery in actual combat. However, this complex artillery structure brings many difficulties to scientific research experiments. First, it is expensive and unaffordable for scientific research experiments; second, the operation is complicated and requires professional operation; third, it is difficult to repair. If the parts are damaged, professional repair is required, and the repair period is long and the process is complicated. As a scientific research experimental device, it is a very necessary link to simplify the device on the premise that the scientific research problems of concern can be reproduced.

[0005] It can be seen that the actual firing test of barreled weapons is difficult, costly, and the test pieces are complex. The probability of repeated tests is extremely low, making it extremely unrealistic as a scientific research test. Moreover, it requires the collaboration of multiple departments and multiple people, which is very difficult to operate and difficult to ensure safety. At present, there is no public report on the test equipment for barreled weapons. Summary of the invention

[0006] The object of the present invention is to provide a tube weapon firing test device, which greatly simplifies the complex breech structure of the tube weapon and can achieve various test purposes such as testing and studying the muzzle flow field when the tube weapon is fired.

[0007] The technical solution to achieve the purpose of the present invention is: a barrel weapon firing test device, a barrel weapon firing test device, including: a barrel, a chamber and a breech block; wherein the breech block is mainly used to seal the chamber and fire; the breech block includes a breech body part, a bolt part and a rubber sleeve; the rubber sleeve is sleeved outside the bolt part, and the bolt part and the rubber sleeve are placed together in the central through hole of the breech body part.

[0008] The tail shell part includes a shell and an inner negative electrode connector; the shell is fixedly connected to the powder chamber; the inner negative electrode connector is installed on the shell, the inner negative electrode connector is connected to the negative electrode wire of the ignition box in the powder chamber, and the shell is connected to the negative electrode of the external ignition wire.

[0009] A sealing ring groove is provided on the shell; the sealing ring groove is used to place the sealing ring to play the role of sealing air.

[0010] A shell threaded hole is arranged inside one end of the shell, and is locked with the medicine chamber through the shell threaded hole; a central through hole is arranged inside the other end of the shell, and the central through hole is used to install the bolt part and the rubber sleeve.

[0011] The bolt portion 5 includes a bolt body section, an inner positive electrode connector and an outer thread section in sequence; when installed, the bolt body section is placed in the central through hole and extends out of the end of the shell; the inner positive electrode connector is connected to the positive electrode wire of the ignition cartridge in the chamber, and the outer thread section is connected to the positive electrode of the external ignition wire; the outer thread section extends out of the shell and is insulated and tightened with a nut.

[0012] The housing threaded hole 8 is a self-locking thread and is locked after being rotated 90°.

[0013] The shape of the central through hole matches the bolt, and its diameter is larger than the outer diameter of the bolt, and the gap is for accommodating the rubber sleeve.

[0014] Compared with the prior art, the present invention has the following significant advantages: the barreled weapon firing test device provided by the present invention has a simple firing principle, an easy-to-implement structure, simple operation, safety, reliability, and economy, and does not require complex artillery structure design, which greatly simplifies the gun firing test for the purpose of testing, and can effectively avoid the safety, operability, and maintainability problems caused by complex and expensive test pieces, which can effectively save test costs and workload, and provides a practical test plan for conducting safety and reliability analysis of barreled weapon gun firing tests in engineering applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional view of the barrel weapon firing test device of the present invention;

[0016] Figure 2 It is a left side view of the barrel weapon firing test device of the present invention;

[0017] Figure 3 It is a front view of the barrel weapon firing test device of the present invention;

[0018] Figure 4 It is a left side view of the tail casing portion of the barrel weapon firing test device of the present invention;

[0019] Figure 5 It is a left side view of the bolt portion of the barrel weapon firing test device of the present invention; DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. The present invention discloses a tube weapon firing test device, which simplifies the complex tube weapon structure, reproduces the firing state of the tube weapon, and solves the test problem of the tube weapon with a complex structure. It provides an effective and reliable scientific research test method for tube weapons, and can be used for experimental verification of theoretical and numerical research, providing a guarantee for the improvement and improvement of tube weapon development technology.

[0021] like Figure 1 , Figure 2 , Figure 3 As shown, a barrel weapon firing test device invented this time includes a barrel 1, a powder chamber 2, and a breech block 3, wherein the barrel 1 is located in front of the powder chamber 2, and the breech block 3 is located behind the powder chamber 2; the barrel 1 is filled with projectiles for completing the firing of the projectiles; the powder chamber 2 is used to place gunpowder; the breech block 3 is mainly used to seal the powder chamber and fire.

[0022] The breech block 3 includes a breech block 4, a bolt block 5 and a rubber sleeve 6; the rubber sleeve 6 is sleeved outside the bolt block 5, and the bolt block 5 and the rubber sleeve 6 are placed together in the central through hole 10 of the breech block 4, insulating the bolt block 5 from the breech block 4, separating the breech block 4 from the bolt block 5, with the breech block 4 being the negative pole and the bolt block 5 being the positive pole. When firing, the positive and negative poles of the firing signal are connected to the bolt block 5 and the breech block 4, respectively, thereby realizing the firing function.

[0023] The tail shell body 4 includes a shell 7, a sealing ring groove 8, and a central through hole 10 of an inner negative electrode connector 9. The shell 7 is locked with the chamber 2 through a thread; the sealing ring groove 8 is used to place a sealing ring, which plays a role of sealing air; the inner negative electrode connector 9 is a square protrusion with a hole, which is installed on the shell 7. The inner negative electrode connector 9 connects the negative electrode line of the ignition cartridge in the chamber 2, and then the tail shell body 4 forms a negative electrode; the central through hole 10 is used to place the bolt part 5 and the rubber sleeve 6. The shell threaded hole 8 is connected to the central through hole 10. The shape of the central through hole 10 matches the bolt 5, and its diameter is slightly larger than the outer diameter of the bolt 5, and the gap is for placing the rubber sleeve 6.

[0024] The bolt portion 5 includes a bolt body section 11, an inner positive electrode connector 12 and an outer thread section 13 in sequence; when installed, the bolt body section 11 is placed in the central through hole 10 and extends out of the end of the shell 7; the inner positive electrode connector 12 is a square protrusion with a hole, which is connected to the positive electrode line of the ignition cartridge in the chamber 2, and then the bolt portion 5 forms a positive electrode; the outer thread section 13 extends out of the shell 7, and an insulating gasket is put on the outer thread section 13 to insulate the nut from the shell 7 in the tail shell portion 4; the bolt portion 5 is tightened as a whole by the cooperation of the nut and the outer thread section 13.

[0025] The energy generated by gunpowder satisfies the equation:

[0026]

[0027] In the formula

[0028]

[0029] Among them: s is the cross-sectional area of ​​the barrel, p is the base pressure, l is the projectile formation, f is the gunpowder force, w is the gunpowder mass, ψ is the percentage of gunpowder burned, is the correction factor, m is the mass of the projectile, v is the velocity of the projectile, l ψ is the free volume reduction length of the chamber, l0 is the volume reduction length of the chamber, Δ is the packing density, α is the residual capacity, k is the adiabatic index, ρ p is the density of gunpowder.

[0030] The design of the tail shell 4 must meet the impact force received by the tail:

[0031] F bq =Apt ;

[0032] In the formula, F pt is the resultant force in the barrel, A is the cross-sectional area of ​​the barrel, and p t is the average pressure at the bottom of the chamber.

[0033] The calculation formula for the average pressure at the bottom of the chamber is:

[0034]

[0035] Where, m is the mass of the projectile, m ω is the charge mass, To consider only the two minor work calculation coefficients of projectile rotation and friction, Calculate the coefficient for secondary work.

[0036] The barrel is a circular tube of equal diameter with a certain thickness, and the projectile moves in the barrel during the launching process.

[0037] The chamber is a circular tube of equal diameter with a certain thickness. Its inner diameter is slightly larger than the barrel. It is located behind the barrel and transitions linearly with the barrel.

[0038] The working principle is as follows: before the test, the projectile is pushed into the barrel 1 from the tail end of the chamber 2, and then the gunpowder is loaded into the chamber 2. The rubber sleeve 6 is put outside the bolt body section 11 of the bolt part 5, and placed together in the central through hole 10 of the tail shell 4, and the positive and negative wires of the ignition box are connected to the inner positive electrode connector 12 of the bolt body and the negative electrode connector 9 of the tail shell, respectively, and then placed in the chamber 2, and the shell 7 is put outside the chamber 2, and rotated and tightened to lock. The external threaded section 13 of the bolt part 5 is insulated and pressed with a nut, and then the positive electrode of the external ignition wire is connected to the external threaded section 13 of the bolt part 5, and the negative electrode of the external ignition wire is connected to the shell 7, thereby forming a circuit to realize the function of firing and ignition. After ignition and firing, the ignition powder in the chamber 2 is ignited, and then the main charge is triggered. After the main charge is ignited, high-temperature and high-pressure combustion gas is formed, which pushes the projectile forward, and the projectile moves out of the barrel 1 out of the muzzle. Subsequently, the high-temperature and high-pressure gunpowder gas in the barrel is ejected out to form the muzzle flow field of the barreled weapon, and acts on the projectile, interfering with the initial flight posture of the projectile.

[0039] The invention discloses a tube weapon firing test device, which greatly simplifies the structure of the tube weapon while ensuring the firing function of gunpowder.

[0040] Specifically, the barrel in this embodiment is a round tube of equal diameter and certain thickness made of gun steel material, with a length of 1500mm and an inner diameter of 40mm; the chamber is 500mm long, with an inner diameter of 50mm, and the tail shell thickness is 10mm.

[0041] The mass of the projectile in this test device is 500g, and a reasonable internal ballistic loading scheme is designed to make the internal ballistic parameters conform to reality, and the initial velocity, chamber pressure and other parameters of the projectile are within a reasonable range.

[0042] With respect to the barreled weapon firing test device in this embodiment, a reasonable geometric structure of the barreled weapon's breech block is designed so that the test results obtained from the simulation test meet the standards and achieve the design purpose.

[0043] The barreled weapon firing test device provided by the present invention has a simple principle, an easy-to-implement structure, and makes great use of the original test components, greatly reducing the difficulty and cost of the test. On the premise of ensuring that the initial flight parameters and internal ballistic parameters of the projectile are in line with the actual situation, the results of the simulation test are consistent with the actual situation.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the essence and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A barrel weapon firing test device, characterized in that: include: The barrel, the powder chamber and the breech block; the breech block is mainly used to seal the powder chamber and to ignite the gun; the breech block includes a breech block housing, a bolt and a rubber sleeve; the rubber sleeve is sleeved outside the bolt, and the bolt and the rubber sleeve are placed together in the central through hole of the breech block housing.

2. The barreled weapon firing test device according to claim 1, characterized in that: The tail shell part includes a shell and an inner negative electrode connector; the shell is fixedly connected to the powder chamber; the inner negative electrode connector is installed on the shell, the inner negative electrode connector is connected to the negative electrode wire of the ignition box in the powder chamber, and the shell is connected to the negative electrode of the external ignition wire.

3. The barreled weapon firing test device according to claim 2, characterized in that: A sealing ring groove is provided on the shell; the sealing ring groove is used to place the sealing ring to play the role of sealing air.

4. The barreled weapon firing test device according to claim 2, characterized in that: A shell threaded hole is arranged inside one end of the shell, and is locked with the medicine chamber through the shell threaded hole; a central through hole is arranged inside the other end of the shell, and the central through hole is used to install the bolt part and the rubber sleeve.

5. The barreled weapon firing test device according to claim 4, characterized in that: The bolt portion 5 includes a bolt body section, an inner positive electrode connector and an outer thread section in sequence; when installed, the bolt body section is placed in the central through hole and extends out of the end of the shell; the inner positive electrode connector is connected to the positive electrode wire of the ignition cartridge in the chamber, and the outer thread section is connected to the positive electrode of the external ignition wire; the outer thread section extends out of the shell and is insulated and tightened with a nut.

6. The barreled weapon firing test device according to claim 1, characterized in that: The housing threaded hole 8 is a self-locking thread and is locked after being rotated 90°.

7. The barreled weapon firing test device according to claim 3, characterized in that: The shape of the central through hole matches the bolt, and its diameter is larger than the outer diameter of the bolt, and the gap is for accommodating the rubber sleeve.

8. The barreled weapon firing test device according to claim 7, characterized in that: The calculation formula for the impact force on the shell of the tail shell is: F bq =Ap t , In the formula, F pt is the resultant force in the barrel, A is the cross-sectional area of ​​the barrel, and p t is the average pressure at the bottom of the chamber.

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