RU-2861604-C1 - MULTI-CHAMBER LOADING DEVICE

RU2861604C1RU 2861604 C1RU2861604 C1RU 2861604C1RU-2861604-C1

Abstract

FIELD: testing equipment. SUBSTANCE: invention can be used in gas-dynamic testing of assemblies and products, in particular assemblies of rocket and artillery ammunition in laboratory and bench conditions. A multi-chamber loading device contains an explosion chamber with an explosive charge, closed on one side with a plug, an acceleration compartment with a test object placed therein, and a throttling device, combined into a single structure. Additionally contains a receiving chamber and at least one more explosion chamber closed on one side with a plug, wherein holes are uniformly formed on the generatrix surface of the receiving chamber, to which the open ends of the explosion chambers are attached perpendicular to the loading axis of the test object, the acceleration compartment is fixed through a flange connection to one of the ends of the receiving chamber, and the other end of the receiving chamber is closed by a process insert made with a cylindrical protruding surface. Wherein the throttling device is placed in the receiving chamber coaxially with the process insert and is made in the form of a hollow steel cylinder with a protrusion at the base, the cavity depth of which corresponds to the size of the protruding surface of the process insert, and the thickness of the protrusion is limited by the position of the holes on the generatrix surface of the receiving chamber. EFFECT: expanding operational capabilities by increasing the range of loading modes of the test object while simultaneously reducing the overall dimensions of the device. 5 cl, 2 dwg

Inventors

Kargin Aleksandr Igorevich
Lizunov Konstantin Viktorovich
Tanakov Zakhar Valerevich
Botov Evgenii Viacheslavovich
Aprelkov Oleg Nikolaevich

Dates

Publication Date: 20260506
Application Date: 20251210

Claims (5)

1. A multi-chamber loading apparatus comprising an explosion chamber with an explosive charge, closed at one end with a plug, an accelerating section with a test object placed therein, and a throttling device, combined into a single structure, characterized in that it further comprises a receiving chamber and at least one more explosion chamber closed at one end with a plug, wherein on the generating surface of the receiving chamber, openings are uniformly formed, to which the open ends of the explosion chambers are connected perpendicularly to the loading axis of the test object, the accelerating section is secured through a flange connection to one of the ends of the receiving chamber, and the other end of the receiving chamber is closed by a process insert made with a cylindrical protruding surface, wherein the throttling device is placed in the receiving chamber coaxially with the process insert and is made in the form of a steel hollow cylinder with a protrusion at the base, the depth of the cavity of which corresponds to the size of the protruding surface of the process insert, and the thickness of the protrusion is limited by the position of the openings on the generating surface of the receiving chamber.
2. A multi-chamber loading unit according to paragraph 1, characterized in that the outer diameter of the steel hollow cylinder of the throttling device is selected based on the required parameters of the loading pulse.
3. A multi-chamber loading installation according to paragraph 1, characterized in that the test object in the acceleration compartment is placed close to the end of the throttling device or at a distance from it, depending on the required parameters of the loading pulse.
4. A multi-chamber loading installation according to paragraph 1, characterized in that openings for installing measuring systems are formed on the generating surface of the accelerating compartment.
5. A multi-chamber loading unit according to paragraph 1, characterized in that the cylindrical surface of the throttling device is adjacent to the protruding surface of the process insert through a sealing element.

Description

Field of technology to which the invention relates This invention relates to testing equipment and can be used for gas-dynamic testing of components and parts, particularly missile and artillery munitions components, in laboratory and test-bench conditions. The objective of this invention is to develop a gas-dynamic setup capable of generating dynamic loads on a test object over a wide range of parameters, while its design allows for its integration with a modern X-ray recording system. State of the art A prior art shock rig [utility model RU 126133 U1, IPC: G01M 7/08, published 20.03.2013, Bulletin No. 8] is known, comprising an explosion chamber with a loading charge, an acceleration section with a test container, a section for releasing the explosion products, a section for braking the container, support blocks, and a recording system with measuring harnesses. It is also equipped with a base equipped with rail guides on which all the sections and support blocks are mounted with the possibility of longitudinal movement, and a loading section, designed as a combined explosion chamber and acceleration section. The disadvantages of this setup include its large dimensions, which preclude its use in conjunction with a modern X-ray recording system. Furthermore, integrating the explosion chamber and the booster section into a single structural element complicates the setup's preparation for experiments, and the lack of a throttling device within the setup prevents the required loading pulse timing. The closest technical solution in terms of design is a rig for impact tests [utility model RU 112765 U1, IPC: G01M 7/08, G01M 7/08. published 20.01.2012 bulletin No. 2], containing an explosion chamber with an explosive charge, closed at one end with a plug, which is a massive recoil mechanism, an accelerating compartment with the test object placed in it, a pneumatic compartment and a throttling device that ensures the formation of a loading pulse and is a shock wave silencer, all placed in series and combined into a single structure. A disadvantage of this setup is that, due to the large dimensions of its structural components, it cannot be used in conjunction with a modern X-ray recording system. Furthermore, when using a shock wave muffler to throttle the explosion products, the pressure in the explosion chamber must be significantly higher than that required for the test object, leading to structural deformations over a large number of experiments. Furthermore, the use of a single explosion chamber within the setup design only limits the loading pulse parameters to a narrow range. Disclosure of the essence of the invention The technical result of the claimed invention is the expansion of operational capabilities by increasing the range of loading modes of the test object while simultaneously reducing the overall dimensions of the installation. This technical result is achieved due to the fact that, unlike the known stand for impact tests, the multi-chamber loading installation contains, combined into a single structure, an explosion chamber with a charge of explosive substance, closed at one end with a plug, an accelerating compartment with the test object placed in it and a throttling device, the new thing is that it additionally contains a receiving chamber and. at least one more explosion chamber closed at one end with a plug, wherein on the generating surface of the receiving chamber, openings are uniformly formed, to which the open ends of the explosion chambers are connected perpendicularly to the loading axis of the test object, the accelerating section is secured through a flange connection to one of the ends of the receiving chamber, and the other end of the receiving chamber is closed with a process insert made with a cylindrical protruding surface, wherein the throttling device is placed in the receiving chamber coaxially with the process insert and is made in the form of a steel hollow cylinder with a protrusion at the base, the depth of the cavity of which corresponds to the size of the protruding surface of the process insert, and the thickness of the protrusion is limited by the position of the openings on the generating surface of the receiving chamber. In a multi-chamber loading rig, the outer diameter of the hollow steel cylinder of the throttling device can also be selected based on the required loading pulse parameters. The test object in the acceleration chamber can be placed close to the end of the throttling device or at a distance from it, depending on the required loading pulse parameters. Openings for mounting measuring systems can be formed on the generatrix of the acceleration chamber. The cylindrical surface of the throttling device can be adjacent to the protruding surface of the process insert through a sealing element. The influence of the distinctive features of the invention formula on the above technical result. The additional content of a receiving chamber in the loading unit