KR100734603B1 - A building concrete mold connecting apparatus - Google Patents

A building concrete mold connecting apparatus Download PDF

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Publication number
KR100734603B1
KR100734603B1 KR1020070010228A KR20070010228A KR100734603B1 KR 100734603 B1 KR100734603 B1 KR 100734603B1 KR 1020070010228 A KR1020070010228 A KR 1020070010228A KR 20070010228 A KR20070010228 A KR 20070010228A KR 100734603 B1 KR100734603 B1 KR 100734603B1
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South Korea
Prior art keywords
formwork
transverse
horizontal
longitudinal
vertical
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KR1020070010228A
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Korean (ko)
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정우철
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(주)테마종합건축사사무소
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E04G17/042—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
    • E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

A form fastening device of a building structure is provided to secure enough stiffness to correspond to concrete lateral pressure by connecting forms easily and tightly. Disclosed is a form fastening device of a building structure for assembling many forms(1) vertically and horizontally by vertical binding bolts(10) and horizontal binding bolts, wherein vertical connecting bosses(30) fastened with the vertical binding bolts are formed on upper, lower, right and left corners of the form, and horizontal connectors(40) fastened with the horizontal binding bolts are formed on right and left ends of the form in multistage. The vertical connecting boss contains a through hole penetrated vertically and coupled with the vertical binding bolt to couple two forms arranged in the vertical direction, and the horizontal connector contains a horizontal mount(41) formed on two ends of the form to be stepped at the appointed height to place a horizontal stiffener(2), a through hole penetrated the mount horizontally, a support projection(43) projected vertically from the free end of the mount and a fastening hole perforated on the support projection and fixed with a screw nail(3) to support the horizontal stiffener.

Description

건축구조물 거푸집 체결장치{A BUILDING CONCRETE MOLD CONNECTING APPARATUS}Formwork fastening device for building structure {A BUILDING CONCRETE MOLD CONNECTING APPARATUS}

도 1은 본 발명에 따른 건축구조물 거푸집 체결장치의 분해 사시도.1 is an exploded perspective view of a building structure formwork fastening device according to the present invention.

도 2는 본 발명에 의한 건축구조물 거푸집 체결장치의 설치 상태 측면도.Figure 2 is a side view of the installation state of the building structure formwork fastening apparatus according to the present invention.

도 3은 본 발명에 따른 건축구조물 거푸집 체결장치에 의한 거푸집 조립체의 평면도.Figure 3 is a plan view of the formwork assembly by the building structure formwork fastening apparatus according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 거푸집, 2 : 횡방향 보강재1 formwork, 2 transverse reinforcement

10 : 종방향 결속볼트, 20 : 횡방향 결속볼트10: longitudinal binding bolt, 20: transverse binding bolt

30 : 종방향 결속용 보스, 40 : 횡방향 결속구30: longitudinal binding boss, 40: lateral binding port

본 발명은 건축구조물 거푸집 체결장치에 관한 것으로, 더욱 상세하게는 단위 거푸집을 종횡방향으로 배열하여 결속볼트를 체결함으로써 거푸집 조립체를 완 성하여 거푸집 조립체의 생산성을 향상할 수 있으며, 종횡방향 결속볼트에 의해 거푸집들이 긴밀하게 결속되어 콘크리트로부터 가해지는 측압을 충분히 견딜 수 있도록 한 건축구조물 거푸집 체결장치에 관한 것이다.The present invention relates to a building structure formwork fastening device, and more particularly, to form the unit formwork in the longitudinal and horizontal direction by fastening the binding bolt to complete the formwork assembly to improve the productivity of the formwork assembly, to the longitudinal binding bolt The present invention relates to a formwork fastening device for a building structure in which formwork is tightly bound so that it can withstand lateral pressure from concrete.

일반적으로, 건축물의 벽체 및 슬래브의 시공에 있어서, 건물의 벽체나 바닥 등의 시공은 한 장의 크기가 최대 600㎜ × 1200㎜정도인 유니트 패널로 이루어진 거푸집을 복수개 결합하여 하나의 벽체면 또는 슬래브면을 형성하거나, 거푸집 한판의 크기가 1200mm X 2400mm정도인 대형 거푸집으로 벽체 높이에 대응하고, 슬래브는 합판과 각재를 이용하여 사방 1m정도마다 지주대를 받쳐서 슬래브면을 형성하며, 상기 벽체면이나 슬래브면을 형성한 거푸집에 콘크리트를 타설하여 벽체와 슬래브를 동시에 구축하고 있다. In general, in the construction of walls and slabs of a building, construction of walls or floors of a building is performed by combining a plurality of formwork consisting of unit panels having a size of about 600 mm x 1200 mm in a single sheet, or a wall surface or slab surface. Or form a slab with a size of about 1200mm x 2400mm, which corresponds to the height of the wall, and the slab forms a slab surface by supporting the holding table every 1m using plywood and lumber, and forms the wall surface or slab. Concrete is poured into the formwork that forms the surface to build walls and slabs at the same time.

상기와 같은 방법에 의한 벽체 및 슬래브 구축방법에서, 하나의 벽체면을 이루기 위해 복수개의 거푸집을 연결하는 구조는 주로 웨지핀을 유로폼의 홀에 끼워고정하는 구조나, 두 개의 거푸집의 연결강도를 유지하기 위하여 윙너트와 조합되는 스터드볼트나 육각머리볼트등의 클램핑용 긴결재를 이용하고 있다. 그러나, 전자의 웨지핀을 이용하는 거푸집 조립방법은 콘크리트 측압에 충분하게 견딜 수 없을 뿐만 아니라 다수개를 설치해야 하는 문제점이 있으며, 후자의 경우는 거푸집의 프레임을 감싸주지 못하기 때문에 직각, 또는 수평 고정력이 매우 적은 문제점이 있다. 이에 따라, 상기 거푸집의 설치후 콘크리트 타설시, 조립된 거푸집이 틀어져 상기 거푸집의 폼이 변형될 수 있는 문제점이 있다. In the method of constructing the wall and the slab according to the above method, the structure connecting the plurality of formwork to form one wall surface is mainly a structure in which the wedge pin is inserted into the hole of the euroform or the connection strength of the two formwork is maintained. To do this, clamping long joints such as stud bolts and hexagon head bolts are used. However, the formwork assembling method using the former wedge pin is not only able to withstand the concrete side pressure sufficiently, but also has to be installed in a plurality of cases, and in the latter case, because it does not wrap the frame of the formwork, the right angle or horizontal holding force There are very few problems with this. Accordingly, when the concrete is poured after installation of the formwork, there is a problem that the assembled formwork is deformed so that the form of the formwork may be deformed.

본 발명은 상기한 종래 문제점을 해결하기 위한 것으로서, 거푸집의 연결작업을 용이하게 하고 거푸집들을 긴밀하게 연결하여 콘크리트 측압에 충분히 대응할 수 있는 강성을 확보할 수 있는 건축구조물 거푸집 체결장치를 제공하려는데 그 목적이 있다.The present invention is to solve the above-mentioned problems, to provide a building structure formwork fastening device that facilitates the work of connecting the formwork closely connected to the formwork to secure the rigidity that can sufficiently cope with the concrete side pressure There is this.

상기와 같은 목적을 달성하기 위한 본 발명에 따른 건축구조물 거푸집 체결장치는, 사각 판형의 거푸집의 상하부에 각각 형성되는 보스, 종방향으로 연속되는 거푸집들의 상기 보스에 체결되는 종방향 결속볼트, 상기 거푸집의 좌우측에 각각 형성되는 횡방향 연결구, 횡방향으로 연속되는 상 거푸집의 횡방향 연결구들에 체결되는 횡방향 결속볼트를 포함하여 구성된 것을 특징으로 한다.Building structure formwork fastening device according to the present invention for achieving the above object, the boss is formed respectively in the upper and lower portions of the square plate-shaped formwork, longitudinal binding bolt fastened to the boss of the continuous formwork in the longitudinal direction, the formwork The transverse connectors are formed on the left and right sides of the, characterized in that comprises a transverse binding bolt fastened to the transverse connectors of the image form continuous in the lateral direction.

본 발명의 특징 및 이점들은 첨부도면에 의거한 다음의 상세한 설명으로 더욱 명백해질 것이다. 이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 발명자가 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

도 1에서 보이는 것처럼, 본 발명에 의한 건축구조물 거푸집 체결장치는, 종방향 결속볼트(10)와 횡방향 결속볼트(20)에 의해 다수의 거푸집(1)들을 종방향과 횡방향으로 조립하는 것이며, 이를 위하여 사각 판형의 거푸집(1)의 상하좌우 모서 리부에는 종방향 결속볼트(10)가 체결되는 종방향 연결용 보스(30)가 형성되고, 거푸집(1)의 좌우 양측 단부에는 횡방향 결속볼트(20)가 체결되는 횡방향 연결구(40)가 다단으로 형성된다.As shown in Figure 1, the building structure formwork fastening device according to the present invention is to assemble a plurality of formwork (1) in the longitudinal and transverse direction by the longitudinal binding bolt 10 and the transverse binding bolt 20. To this end, vertical connection bosses 30 are formed at the upper, lower, left, and right corners of the square plate formwork 1 to which the longitudinal binding bolts 10 are fastened, and the left and right ends of the formwork 1 are horizontally bound. The lateral connector 40 to which the bolt 20 is fastened is formed in multiple stages.

종방향 연결용 보스(30)는 상하로 관통된 관통공(31)이 형성되어, 이 관통공(31)에 종방향 결속볼트(10)가 결속되어 종방향을 배열된 2장의 거푸집(1)들을 서로 결속할 수 있도록 한다Longitudinal connection boss 30 has a through hole 31 penetrated up and down, the longitudinal binding bolt 10 is bound to the through hole 31, the two formwork (1) arranged in the longitudinal direction To bind them together

도 1과 도 2에서와 같이, 횡방향 연결구(40)는 거푸집(1)의 일면 좌우 양측 단부에 일정 높이를 두고 이격 형성되며 횡방향 보강재(2)가 안착되는 수평의 안착부(41), 안착부(41)에 좌우로 관통 형성되는 관통공(42), 안착부(41)의 자유단부에서 수직으로 돌출 형성되는 지지턱(43) 및 지지턱(43)에 천공되며 나사못(3)이 박혀 횡방향 보강재(2)를 지지하도록 하는 체결공(44)으로 구성된다. 즉, 횡방향 연결구(40)는 횡방향으로 연속되는 거푸집(1)들을 서로 결속함과 아울러 콘크리트 측압에 의한 배부름 현상을 막기 위하여 횡방향 보강재(2)를 결합하는 것이다.As shown in Figure 1 and 2, the horizontal connector 40 is formed at a predetermined height spaced at both ends of the left and right sides of the formwork 1 and the horizontal seating portion 41, the horizontal reinforcement (2) is seated, The through hole 42 penetrating left and right in the seating portion 41, the support jaw 43 and the support jaw 43 is formed to protrude vertically from the free end of the seating portion 41 and the screw (3) It is composed of a fastening hole 44 to be embedded to support the transverse reinforcement (2). That is, the lateral connector 40 is to bind the formwork (1) in the lateral direction to each other and to combine the lateral reinforcement (2) in order to prevent the filling phenomenon caused by the concrete side pressure.

그리고, 도 1에서 보이는 것처럼, 종방향 결속볼트(10)와 횡방향 결속볼트(20)의 조립이 용이하도록 거푸집(1)의 하부와 상부, 좌측과 우측에는 서로 대응되는 형태의 위치결정돌기(50,60)와 위치결정홈(51,61)이 형성된다. 즉, 거푸집(1)들을 종방향으로 연결할 때 위치결정돌기(50)를 하부의 거푸집(1)의 위치결정홈(51)에 끼우면 종방향 연결용 보스(30)들이 자연스럽게 일치되고, 거푸집(1)들을 횡방향으로 연결할 때 위치결정돌기(60)를 좌측의 거푸집(1)의 위치결정홈(61)에 끼우면 횡방향 연결구(40)가 일치되어 종/횡방향 결속볼트(10,20)의 체결이 용이하다.And, as shown in Figure 1, in order to facilitate the assembly of the longitudinal binding bolt 10 and the transverse binding bolt 20, the bottom and top of the formwork 1, the left and right corresponding positioning projections of the form ( 50 and 60 and positioning grooves 51 and 61 are formed. That is, when connecting the formwork 1 in the longitudinal direction, the positioning projection 50 is inserted into the positioning groove 51 of the lower formwork 1, the longitudinal connecting boss 30 is naturally matched, the formwork (1) ) When the positioning projection 60 is inserted into the positioning groove 61 of the formwork 1 on the left side when the connecting members are connected in the lateral direction, the lateral connector 40 is matched to the longitudinal / lateral binding bolts 10 and 20. Easy to fasten

이와 같이 구성된 본 발명에 의한 건축구조물 거푸집 체결장치의 작용은 다음과 같다.The action of the building structure formwork fastening device according to the present invention configured as described above is as follows.

콘크리트 건축구조물의 시공을 위하여 다수의 거푸집(1)을 종횡방향으로 조립하여 건축구조물에 맞는 하나의 거푸집을 완성하며, 거푸집(1)의 조립작업은 다음과 같다.For the construction of a concrete building structure, assembling a plurality of formwork (1) in the longitudinal direction to complete a formwork suitable for the building structure, the assembly work of the formwork (1) is as follows.

먼저 거푸집(1)들을 횡방향으로 연결하기 위하여 2장의 거푸집(1)을 횡방향으로 배열하면서 우측 거푸집(1)의 위치결정돌기(60)를 좌측 거푸집(1)의 위치결정홈(61)에 끼우면 횡방향 연결구(40)의 관통공(42)이 자연스럽게 일치되고, 이 관통공(42)에 횡방향 결속볼트(20)를 체결하여 거푸집(1)들을 횡방향으로 조립한다. 거푸집(1)들을 횡방향으로 연결한 후, 횡방향 보강재(2)를 횡방향 연결구(40)의 안착부(41)에 안착하고 나사못(3)을 체결하여 횡방향 보강재(2)를 설치한다.First, the positioning projections 60 of the right formwork 1 are positioned in the positioning groove 61 of the left formwork 1 while arranging the two pieces of formwork 1 laterally to connect the formwork 1 in the transverse direction. When fitted, the through-holes 42 of the lateral connector 40 are naturally matched, and fasten the lateral binding bolt 20 to the through-holes 42 to assemble the formwork 1 in the lateral direction. After the formwork (1) is connected in the transverse direction, the transverse reinforcement (2) is seated on the seating portion 41 of the transverse connector (40) and tighten the screw (3) to install the transverse reinforcement (2) .

거푸집(1)들을 종방향으로 연결하기 위하여 거푸집(1)을 종방향으로 배열하면서 상측 거푸집(1)의 위치결정돌기(50)를 하측 거푸집(1)의 위치결정홈(51)에 끼우면 종방향 연결구(30)의 관통공(31)들이 자연스럽게 일치되고, 이 관통공(31)에 종방향 결속볼트(10)를 체결하여 거푸집(1)들을 종방향으로 조립한다.In order to connect the formwork 1 in the longitudinal direction, the positioning projection 50 of the upper formwork 1 is inserted into the positioning groove 51 of the lower formwork 1 while the formwork 1 is arranged in the longitudinal direction. Through-holes 31 of the connector 30 is naturally matched, and fasten the longitudinal binding bolt 10 to the through-hole 31 to assemble the formwork (1) in the longitudinal direction.

이처럼 단위 거푸집(1)들이 종횡방향으로 연결된 거푸집 조립체 한 쌍을 일정 간격을 두고 세워 그 사이에 콘크리트를 타설하여 건축구조물을 시공한다. 본 발명에 의해 제작된 거푸집 조립체는 단위 거푸집(1)들간의 결속력이 증대되어 측압이 가해지더라도 단위 거푸집(1)의 이탈이 발생되지 않는다.Thus, the unit formwork (1) is a pair of formwork assembly connected in the longitudinal direction at regular intervals to pour concrete therebetween to construct a building structure. In the formwork assembly manufactured according to the present invention, even if the binding force between the unit formwork 1 is increased and the side pressure is applied, the detachment of the unit formwork 1 does not occur.

이상에서 설명한 바와 같이, 본 발명에 따른 건축구조물 거푸집 체결장치에 의하면, 단위 거푸집을 종횡방향으로 배열하여 결속볼트를 체결함으로써 거푸집 조립체를 완성하여 거푸집 조립체의 생산성을 향상할 수 있으며, 종횡방향 결속볼트에 의해 거푸집들이 긴밀하게 결속되어 콘크리트로부터 가해지는 측압을 충분히 견딜 수 있고, 콘크리트의 누출을 막을 수 있는 등의 효과가 있다.As described above, according to the building structure form fastening device according to the present invention, by arranging the unit form in the longitudinal direction and fastening the binding bolt to complete the form assembly to improve the productivity of the form assembly, the longitudinal bolts By the formwork is tightly bound by the side pressure enough to withstand the pressure applied from the concrete, there is an effect such as to prevent the leakage of the concrete.

이상, 본 발명을 본 발명의 원리를 예시하기 위한 바람직한 실시예와 관련하여 설명하고 도시하였지만, 본 발명은 그와 같이 도시되고 설명된 그대로의 구성 및 작용으로 한정되는 것이 아니다. 오히려, 첨부된 청구범위의 사상 및 범주를 일탈함이 없이 본 발명에 대한 다수의 변경 및 수정이 가능함을 당업자들은 잘 이해할 수 있을 것이다. 따라서, 그러한 모든 적절한 변경 및 수정과 균등물들도 본 발명의 범위에 속하는 것으로 간주되어야 할 것이다.While the invention has been described and illustrated in connection with a preferred embodiment for illustrating the principles of the invention, the invention is not limited to the configuration and operation as such is shown and described. Rather, it will be apparent to those skilled in the art that many changes and modifications to the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (2)

삭제delete 사각 판형의 거푸집의 상하좌우 모서리부에 각각 형성되며 상하로 관통된 관통공을 갖는 종방향 연결용 보스와;Vertical connection bosses each having upper, lower, left and right corners of the rectangular plate-shaped formwork and having through-holes vertically penetrated therein; 상기 거푸집의 일면 좌우 양측 단부에 일정 높이를 두고 이격 형성되며 횡방향 보강재가 안착되는 수평의 안착부, 상기 안착부에 좌우로 관통 형성되는 관통공, 상기 안착부의 자유단부에서 수직으로 돌출 형성되는 지지턱 및 상기 지지턱에 천공되며 나사못이 박혀 상기 횡방향 보강재를 지지하도록 하는 체결공으로 구성된 횡방향 연결구와;A horizontal seating part is formed at a predetermined height at both sides of the left and right sides of the formwork and is horizontally seated in which a transverse reinforcement is seated, a through hole formed to pass through the seating part left and right, and a support projecting vertically from the free end of the seating part. A transverse connector comprising a fastening hole drilled in the jaw and the support jaw to support the transverse reinforcement with a screw; 종방향으로 연결되는 상기 거푸집들의 연속되는 상기 종방향 연결용 보스들에 상하로 체결되어 종방향 거푸집들을 결속하는 종방향 결속볼트와;A longitudinal binding bolt fastened vertically to the longitudinal connecting bosses of the dies connected in a longitudinal direction to bind longitudinal dies; 횡방향으로 연결되는 상기 거푸집의 횡방향 연결구의 관통공에 횡방향으로 체결되어 횡방향 거푸집들을 결속하는 횡방향 결속볼트를 포함하고, A transverse fastening bolt fastened in a transverse direction to a through hole of a transverse connector of the die connected in a transverse direction to bind transverse dies; 상기 거푸집의 하부와 좌측 및 상부와 우측에는 각각 서로 끼워지는 위치결정돌기와 위치결정홈이 대응 형성되어, 상기 위치결정돌기와 위치결정홈의 결합에 의해 종횡방향으로 연결되는 거푸집들이 조립되는 것을 특징으로 하는 건축구조물 거푸집 체결장치.Positioning projections and positioning grooves which are fitted to each other are respectively formed in the lower, left, and upper and right sides of the formwork, and the formwork connected in the longitudinal direction by assembling the positioning projection and the positioning groove is assembled. Formwork fasteners for building structures.
KR1020070010228A 2007-01-31 2007-01-31 A building concrete mold connecting apparatus KR100734603B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100877582B1 (en) 2008-09-19 2009-01-07 (주)명인건축사사무소 Form for building
CN102444278A (en) * 2011-10-21 2012-05-09 中铁十七局集团第四工程有限公司 Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear
CN117245196A (en) * 2023-11-16 2023-12-19 中国空气动力研究与发展中心高速空气动力研究所 Strain balance electron beam welding structure and welding method thereof

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KR200184987Y1 (en) 1999-11-24 2000-06-15 명화물산주식회사 Assembling apparatus of concrete form
KR20020030647A (en) * 2000-10-19 2002-04-25 이남수 jointing device for con-nut and sepa-tie
KR200321092Y1 (en) 2003-04-11 2003-07-22 동영금속 주식회사 Constructing mould installation
KR20030094817A (en) * 2002-06-08 2003-12-18 허인재 Jointer for form
KR20050039784A (en) * 2005-03-18 2005-04-29 주식회사 비에스텍 Mould for architectural use

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200184987Y1 (en) 1999-11-24 2000-06-15 명화물산주식회사 Assembling apparatus of concrete form
KR20020030647A (en) * 2000-10-19 2002-04-25 이남수 jointing device for con-nut and sepa-tie
KR20030094817A (en) * 2002-06-08 2003-12-18 허인재 Jointer for form
KR200321092Y1 (en) 2003-04-11 2003-07-22 동영금속 주식회사 Constructing mould installation
KR20050039784A (en) * 2005-03-18 2005-04-29 주식회사 비에스텍 Mould for architectural use

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100877582B1 (en) 2008-09-19 2009-01-07 (주)명인건축사사무소 Form for building
CN102444278A (en) * 2011-10-21 2012-05-09 中铁十七局集团第四工程有限公司 Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear
CN102444278B (en) * 2011-10-21 2013-07-31 中铁十七局集团第四工程有限公司 Anchor ear with lift carrier roller and method for shifting concrete placement support system by the anchor ear
CN117245196A (en) * 2023-11-16 2023-12-19 中国空气动力研究与发展中心高速空气动力研究所 Strain balance electron beam welding structure and welding method thereof
CN117245196B (en) * 2023-11-16 2024-01-23 中国空气动力研究与发展中心高速空气动力研究所 Strain balance electron beam welding structure and welding method thereof

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