-
公开(公告)号：KR101378845B1
公开(公告)日：2014-03-27
申请号：KR1020120099214
申请日：2012-09-07
Applicant: 국방과학연구소
CPC classification number: Y02T50/43
Abstract: 본 발명의 콘(Cone)형 복합재료 격자구조물 제작방법은 콘(Cone)형 격자구조 몰드금형을 실리콘 재질로 만들어 준 후, 탄소섬유 또는 아라미드 섬유 등 강화섬유를 에폭시수지 등 매트릭스 수지에 함침시킨 복합재료를 필라멘트 와인딩 공법(Filament Winding Method)으로 콘(Cone)형 복합재료 격자구조물이 만들어짐으로써 곡률을 갖는 콘(Cone)형상 격자구조를 용이하게 제조될 수 있고, 특히 콘(Cone)형상 격자구조의 외면에 인슐레이터(Insulator)로 기능하는 스킨(Skin)의 추가작업이 용이함으로써 항공기 동체나 유도무기 또는 위성 발사체가 공력가열로부터 안전성을 더욱 높일 수 있는 특징을 갖는다.
-
公开(公告)号：KR1020140047971A
公开(公告)日：2014-04-23
申请号：KR1020120114400
申请日：2012-10-15
Applicant: 국방과학연구소
Abstract: The present invention provides a propulsion unit including a combustion pipe including a propellant inside; a nozzle jetting combustion gas generated in the ignition of the propellant by being installed on the rear end of the combustion pipe; and a nozzle separation unit which mounts the nozzle on the combustion pipe by being individually connected to the combustion pipe and the nozzle and separates the nozzle from the combustion pipe as at least a part is melted when reaching a pre-set temperature.
Abstract translation: 本发明提供一种推进装置，包括内部具有推进剂的燃烧管， 喷嘴，其通过安装在燃烧管的后端上喷射在推进剂的点燃中产生的燃烧气体; 以及喷嘴分离单元，其通过单独地连接到燃烧管和喷嘴将喷嘴安装在燃烧管上，并且在达到预定温度时至少部分熔化时将喷嘴与燃烧管分离。
-
Patent Agency Ranking
公开(公告)号：KR100785376B1
公开(公告)日：2007-12-18
申请号：KR1020060115125
申请日：2006-11-21
Applicant: 국방과학연구소
CPC classification number: G01N3/18 , G01N3/02 , G01N2203/0023 , G01N2203/0039 , G01N2203/0226
Abstract: An apparatus for a high temperature bending test of composite material structure using a load transfer path and a direction switch is provided to exactly measure the high temperature bending character of a composite material structure with separating the movement of a zero point by a temperature rising. An apparatus for a high temperature bending test of composite material structure using a load transfer path and a direction switch includes a weight holder(09), a winch(10), a supporting wire rope, a roller pin(07), a load transmitting wire rope(12), and a beam structure. The winch has a structure which is able to wind a wire, and is installed at the upper of an oven above the vertical direction of the weight holder. The supporting wire rope is connected with the winch and the weight holder. The roller pin has a structure which is able to wind a wire and is vertically installed at the upper of the weight holder. The lower end of the load transmitting wire rope is vertically extended by being connected to the weight holder and an upper end of the load transmitting wire is extended in horizontal by changing the direction thereof due to the roller pin to be connected to a structure for test. The beam structure has a flange(01) vertically electing and fixing the lower portion of the structure and a roller holder(06) fixing the roller pin.
Abstract translation: 提供了一种使用负载传递路径和方向开关进行复合材料结构的高温弯曲试验的装置，以精确地测量复合材料结构的高温弯曲特性，将零点的移动与温度升高分开。 一种用于使用负载传递路径和方向开关的复合材料结构的高温弯曲试验的装置包括：重物架（09），绞盘（10），支撑钢丝绳，滚针（07），载荷传递 钢丝绳（12）和梁结构。 绞车具有能够缠绕线的结构，并且安装在比重锤架的垂直方向上方的烤箱上方。 支撑钢丝绳与绞盘和重物架连接。 滚针具有能够缠绕线并垂直地安装在重物架的上部的结构。 负载传送钢丝绳的下端通过连接到重量保持器而垂直延伸，并且负载传输线的上端通过改变由于滚子销引起的连接到测试结构的方向而在水平方向上延伸 。 梁结构具有垂直选择和固定结构的下部的凸缘（01）和固定辊销的辊保持器（06）。
-
公开(公告)号：KR1020090120326A
公开(公告)日：2009-11-24
申请号：KR1020080046299
申请日：2008-05-19
Applicant: 국방과학연구소
CPC classification number: G01N3/08 , G01N3/02 , G01N2203/0017 , G01N2203/0019 , G01N2203/0266
Abstract: PURPOSE: A tension test device and a manufacturing method thereof are provided to apply pure circumferential tensile strain to a cylindrical specimen by changing the axial compressive load of a cylindrical sample to the radial direction of a sample. CONSTITUTION: A tension test device is composed of a supporting unit(110) and a moving unit(120a). The supporting unit supports the axial compression load of a cylindrical sample. The supporting unit is moved to the compressed direction by the compression load. The moving unit is supported to the inner circumference of the sample. The moving unit is moved according to moving of the supporting unit. The moving unit circumferentially applies tensile strain to the sample.
Abstract translation: 目的：提供张力测试装置及其制造方法，通过将圆柱形样品的轴向压缩载荷改变到样品的径向方向，向圆柱形样品施加纯的周向拉伸应变。 构成：张力测试装置由支撑单元（110）和移动单元（120a）组成。 支撑单元支撑圆柱形样品的轴向压缩载荷。 支撑单元通过压缩载荷被移动到压缩方向。 移动单元被支撑在样品的内周。 移动单元根据支撑单元的移动而移动。 移动单元周向地对样品施加拉伸应变。
-
公开(公告)号：KR101421121B1
公开(公告)日：2014-07-22
申请号：KR1020120114400
申请日：2012-10-15
Applicant: 국방과학연구소
Abstract: 본 발명은 내부에 추진제를 구비하는 연소관과, 상기 연소관의 후단부에 설치되어 상기 추진제의 점화시 발생하는 연소가스를 분출시키도록 형성되는 노즐, 및 상기 연소관과 상기 노즐에 각각 결합되어 상기 노즐을 상기 연소관에 장착시키며 기설정된 온도에 도달하면 적어도 일부가 용융되어 상기 노즐을 상기 연소관으로부터 분리시키도록 이루어지는 노즐분리유닛을 포함하는 추진기관을 제안한다.
-
公开(公告)号：KR1020140032660A
公开(公告)日：2014-03-17
申请号：KR1020120099214
申请日：2012-09-07
Applicant: 국방과학연구소
CPC classification number: Y02T50/43
Abstract: A manufacturing method for a cone-shaped composite lattice structure of the present invention is able to easily produce a cone-shaped lattice structure having a curvature by making composite materials, wherein reinforced fibers such as carbon fibers or aramid fibers are dipped in matrix resins such as epoxy resins, into a cone-shaped composite lattice structure with a filament winding method after making a lattice structure mold with silicon materials, and enables an aircraft body, a guided weapon or a satellite launch vehicle to increase stability in aerodynamic heating since the additional work of a skin for functioning as an insulator in the external surface of the cone shape lattice structure is easy. [Reference numerals] (AA) START; (S10) Three-dimensional modeling process; (S11) Performing shape design and structure analysis; (S12) Designing a three-dimensional lattice structure; (S13) Applying filament winding; (S14) Completing a three-dimensional model with a lattice structure; (S20) Prototype model process; (S21) Selecting and molding prototype model materials; (S22) Completing a three-dimensional cone-shaped product; (S23) Re-performing three-dimensional modeling; (S30) Three-dimensional model converting process; (S31) Dividing a three-dimensional model; (S32) Designing a two-dimensional development figure of a divided lattice piece; (S40) Mold manufacturing process; (S41) Completing a molding mold; (S42) Selecting lattice piece materials and molding a shape; (S43) Heating, pressurizing and vulcanizing molding; (S44) Cooling and demolding; (S45) Completing a three-dimensional lattice piece mold
Abstract translation: 本发明的锥形复合晶格结构的制造方法能够通过制造复合材料容易地制造具有曲率的锥形晶格结构，其中将诸如碳纤维或芳族聚酰胺纤维的增强纤维浸入基体树脂中 作为环氧树脂，在制造具有硅材料的格子结构模具之后，使用长丝缠绕方法成锥形复合格子结构，并且使飞机机身，导向武器或卫星运载火箭能够增加空气动力学加热的稳定性，因为附加 在锥形格子结构的外表面中用作绝缘体的皮肤的工作容易。 （附图标记）（AA）START; （S10）三维建模过程; （S11）进行形状设计和结构分析; （S12）设计三维晶格结构; （S13）应用灯丝绕组; （S14）完成具有格子结构的三维模型; （S20）原型模型过程; （S21）选型和成型原型模型材料; （S22）完成三维锥形产品; （S23）重建三维建模; （S30）三维模型转换过程; （S31）划分三维模型; （S32）设计分割格子片的二维开发图; （S40）模具制造工艺; （S41）完成成型模具; （S42）选择格子片材并成型; （S43）加热，加压和硫化成型; （S44）冷却和脱模; （S45）完成三维格子片模具
-
公开(公告)号：KR100947277B1
公开(公告)日：2010-03-11
申请号：KR1020080046299
申请日：2008-05-19
Applicant: 국방과학연구소
Abstract: 본 발명은 원통 형태로 형성된 시편의 축 방향을 따르는 압축 하중을 지지하며 상기 압축 하중에 의해 압축 방향으로 이동되는 지지부와, 상기 시편의 내주면에 지지되며 상기 지지부의 이동에 따라 상기 시편의 반경 방향으로 이동하여 상기 시편의 원주 방향으로 인장 변형을 가하는 이동부를 포함하는 인장 시험 장치에 관한 것으로서, 간단한 구조를 통하여 원통형 시편에 대해 원주 방향의 균일한 하중을 인가할 수 있는 인장 시험 장치를 제공함으로써, 원통형 시편의 원주 방향 인장을 정확하고 효율적으로 측정하기 위한 것이다.
-
-
-
-
-
-
Search Results
7
records
(took 0.086 seconds)
