JPH0214897U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例の液体ヘリウム送
給用のトランスフアチユーブを示す横断面図、第
２図は第１図のＡ―Ａ断面図、第３図は本考案の
第２実施例の液体ヘリウム送給用のトランスフア
チユーブを示す横断面図、第４図は従来の液体ヘ
リウム送給用のトランスフアチユーブを示す断面
図、第５図は第４図のＡ―Ａ断面図である。 １…送給パイプ、２…回収パイプ、３…シール
ドパイプ、４…断熱材、５…保持管、６…真空パ
イプ、７…送給パイプ保持板、８…回収パイプ保
持板、９…支持棒、１０…上冷却パイプ、１１…
下冷却パイプ、１６…上部支持棒、１７…下部支
持棒。 FIG. 1 is a cross-sectional view showing a transfer tube for liquid helium supply according to the first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. FIG. 4 is a cross-sectional view showing a transfer tube for feeding liquid helium according to an embodiment. FIG. 5 is a cross-sectional view showing a conventional transfer tube for feeding liquid helium. FIG. It is a diagram. DESCRIPTION OF SYMBOLS 1...Feeding pipe, 2...Recovery pipe, 3...Shield pipe, 4...Insulating material, 5...Holding pipe, 6...Vacuum pipe, 7...Feeding pipe holding plate, 8...Recovery pipe holding plate, 9...Support rod , 10...upper cooling pipe, 11...
Lower cooling pipe, 16... Upper support rod, 17... Lower support rod.

Claims (1)

【実用新案登録請求の範囲】 (1) 互いに間隔を隔てて配設された液体ヘリウ
ムの送給パイプおよび回収パイプの外側に、冷却
媒体の循環パイプを外周軸方向に沿わせて設けた
シールドパイプと、該シールドパイプの外側を覆
う断熱部材と、該断熱部材を外側より保持する保
持管と、該保持管の外側に設けられた真空パイプ
とを備えてなる多重管構成とされ、かつ、保持管
が、その同一横断面における外周半径方向に放射
状に複数本、軸方向に等ピツチに配設された棒状
支持部材を介して、真空パイプに支持される一方
、送給パイプおよび回収パイプが、シールドパイ
プ内に軸方向等ピツチに配設された保持板を介し
て、シールドパイプに保持されて一体化された液
体ヘリウム送給用のトランスフアチユーブであつ
て、前記保持板が、送給パイプを保持するものと
、回収パイプを保持するものとの２種とされ、か
つ、これら２種の保持板が軸方向に交互に配設さ
れたことを特徴とする液体ヘリウム送給用のトラ
ンスフアチユーブ。 (2) 保持管の同一横断面において下方に位置し
て配設された少なくとも二本の棒状支持部材それ
ぞれが、保持管を内外半径方向に貫通して設けら
れ、かつ、その中間部を保持管に取付けられると
共に、外側端を真空パイプ内周壁に、内側端をシ
ールドパイプ外周壁に当接させて設けられたこと
を特徴とする第１請求項記載の液体ヘリウム送給
用のトランスフアチユーブ。[Scope of Claim for Utility Model Registration] (1) A shield pipe in which a cooling medium circulation pipe is provided along the outer axial direction on the outside of a liquid helium supply pipe and a liquid helium recovery pipe that are spaced apart from each other. a multi-pipe structure comprising: a heat insulating member covering the outside of the shield pipe; a holding pipe holding the heat insulating member from the outside; and a vacuum pipe provided outside the holding pipe; The tube is supported by the vacuum pipe via a plurality of rod-shaped support members arranged radially in the outer circumferential radial direction in the same cross section and at equal pitches in the axial direction, while the feeding pipe and the recovery pipe are A transfer tube for supplying liquid helium that is held and integrated with a shield pipe through retaining plates arranged at equal pitches in the axial direction within the shield pipe, the retaining plate being connected to the supply pipe. A transfer plate for liquid helium supply, characterized in that there are two types of holding plates: one for holding a recovery pipe, and one for holding a recovery pipe, and these two types of holding plates are arranged alternately in the axial direction. Tube. (2) At least two rod-shaped support members disposed downward in the same cross section of the holding tube are each provided to penetrate the holding tube in the inner and outer radial directions, and the intermediate portion thereof is connected to the holding tube. 2. The transfer tube for liquid helium supply according to claim 1, wherein the transfer tube is attached to a vacuum pipe, and is provided with an outer end in contact with an inner circumferential wall of a vacuum pipe and an inner end in contact with an outer circumferential wall of a shield pipe.