JPS58220008A - Screw conveyor installing method - Google Patents

Screw conveyor installing method

Info

Publication number
JPS58220008A
JPS58220008A JP10263882A JP10263882A JPS58220008A JP S58220008 A JPS58220008 A JP S58220008A JP 10263882 A JP10263882 A JP 10263882A JP 10263882 A JP10263882 A JP 10263882A JP S58220008 A JPS58220008 A JP S58220008A
Authority
JP
Japan
Prior art keywords
base
screw conveyor
bearing
bending moment
conveyor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10263882A
Other languages
Japanese (ja)
Other versions
JPS6319408B2 (en
Inventor
Hiroshi Yamashita
浩志 山下
Toshio Oyabu
大薮　敏雄
Yasuo Oda
小田　泰男
Takeshi Tanaka
毅 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP10263882A priority Critical patent/JPS58220008A/en
Publication of JPS58220008A publication Critical patent/JPS58220008A/en
Publication of JPS6319408B2 publication Critical patent/JPS6319408B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00—Screw or rotary spiral conveyors
    • B65G33/24—Details
    • B65G33/34—Applications of driving gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screw Conveyors (AREA)

Abstract

PURPOSE:To make bending stress uniform by supporting, in a fixed beam shape, one end of the conveyor shaft of a screw conveyor which is supported at its both ends and subjected to distributed load, and applying a moment inversely directed to screw conveyor's own weight, to said fixed beam end part. CONSTITUTION:A underwater bearing 10 is installed on a foundation 11 in a hydraulic pool, and a bearing device 12 provided with a plurality of trains of bearings 15 is provided on a foundation 13 located outside the hydraulic pool. Both ends of the conveyor shaft 17 of a screw conveyor are supported by these bearings 10, 15, and said conveyor shaft 17 is installed while applying moment M inversely directed to its own weight to it. Namely, each height of the foundations 11, 13 is firstly set such that the bottom 19 of a bearing box 14 is allowed to make closel contact with the upper surface 20 of the foundation 13 keeping a state where the underwater bearing 10 is lifted so as to provide a gap 30 with width 1. Then, after fightening a nut 26 engaged with a bolt 23 until prescribed pressing force is applied to a belleville spring 25, the required installation is coupleted by placing the bearing 10 side on the foundation 11 while gradually lowering it.

Description

【発明の詳細な説明】 本発明は、スクリューコンベアの基台への設置方法に係
り、特に自重による曲げ応力を打ち消す方向に曲げモー
メントを加えることにより、曲げ応力の平均化を図り、
コンベア軸自体の軽量化を合間したものに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for installing a screw conveyor on a base, and in particular, by applying a bending moment in a direction that cancels the bending stress due to its own weight, the bending stress is averaged.
This involves reducing the weight of the conveyor shaft itself.

第１図に示したのは、溶鉱炉より取り出された鉱滓を採
取するためのスクリューコンベアであり、水砕プール（
１）内に設けた水中軸受部（２）と、プール外上部１こ
設けた軸受部（３）にコンベア軸（４）が回転可能に支
承されており、該コンベア軸（４）は、半円形状のガイ
ドカバー（５）に片半分を覆れ、コンベア軸（４）の回
転駆動によるコンベア軸の外周に植設した螺旋状の羽根
板（６）の運び作用によって、プール底部に沈澱した鉱
滓をガイドカバー（５）に沿って斜め上方へ運搬し、プ
ール外へ取り出すものである。Figure 1 shows a screw conveyor for collecting slag taken out of a blast furnace, and a granulated pool (
1) A conveyor shaft (4) is rotatably supported by an underwater bearing part (2) provided inside the pool and a bearing part (3) provided in one part outside the pool. One half of the liquid was covered by a circular guide cover (5), and the sediment was deposited at the bottom of the pool due to the transport action of the spiral blade plate (6) installed around the outer circumference of the conveyor shaft (4) driven by the rotation of the conveyor shaft (4). The slag is transported obliquely upward along the guide cover (5) and taken out of the pool.

スクリューコンベアは、このような構造になっているた
め、上記した軸両端部の軸受（２）及び（３）によって
支持する以外には、中間部で支持することができず、し
かも両軸受＋２１　、　＋３１間の寸法は、一般に１７
〜２０痛にも達すること、及びコンベア軸（４）、羽根
板（６）の自重がかなり重く、これらが等分布荷重とし
てコンベア軸（４）にかかること等の特殊な事情により
、コンベア軸にかかる曲げ応力が他の機械類に比して極
めて大きい。Because the screw conveyor has such a structure, it cannot be supported at the middle part other than by the bearings (2) and (3) at both ends of the shaft, and moreover, both bearings +21, Dimensions between +31 and 17
Due to special circumstances such as the fact that the conveyor shaft (4) and the vane plate (6) are quite heavy and are applied to the conveyor shaft (4) as an evenly distributed load, the conveyor shaft This bending stress is extremely large compared to other machinery.

第２ｒｇＪ（ａ）ｌこ、このような両端（７）及び（８
）を回転自在番こ支持され、その中間に句の等分布荷重
を受ける場合の両端支持梁の模式図を示し、同図（切に
その状態に対応する曲げ応力の分布曲線（ＢＭＤ）を示
す。図に明らかな如く、曲げ応力は、軸中央部において
最大（σｔｎａｘ）となり、そのため設計上、この部分
に必要な軸径に合わせてコンベア軸全体を大径にせざる
を得す、機械全体の大型化、コストアップの原因となっ
ている。かかる問題点は、同様の構造を有するスクリュ
ークラシファイヤや、スクリューポンプにおいても生じ
るものである。2nd rgJ(a)l, both ends (7) and (8)
) is supported by a rotatable bar and receives a uniformly distributed load in the middle. As is clear from the figure, the bending stress is maximum (σtnax) at the center of the shaft, and therefore, in design, the diameter of the entire conveyor shaft must be made large to match the shaft diameter required for this region. This causes an increase in size and cost.Such problems also occur in screw classifiers and screw pumps having similar structures.

そのため本発明においては、上記のような曲げ応力のピ
ーク値（ａｍａｘ）の減少を図るために、コンベア軸の
一端（８）１こ上記コンベア軸等の自重による曲げモー
メントを打ち消す方向の曲げモーメント（Ｍ）を付与す
るものである。従って、このような逆方向の曲げモーメ
ント（Ｍ）により、第２図（Ｃ）に示す如き負の方向の
曲げ応力分布が生じ、図（鴫と（Ｃ）の応力の合計が第
２図（ｄ）に示す如き実際の曲げ応力分布となる。そし
て図に示すように軸中央部の曲げ応力（ａｍａｘ）は逆
方向の曲げモーメント（Ｍ）による応力（０ｍ）の分だ
け減少し、（σ１）となるものである。Therefore, in the present invention, in order to reduce the peak value (amax) of the bending stress as described above, one end (8) 1 of the conveyor shaft is provided with a bending moment ( M). Therefore, such a bending moment (M) in the opposite direction causes a bending stress distribution in the negative direction as shown in Fig. 2 (C), and the sum of the stresses in Fig. The actual bending stress distribution is as shown in d).As shown in the figure, the bending stress (amax) at the center of the shaft decreases by the stress (0m) due to the bending moment (M) in the opposite direction, and becomes (σ1 ).

続いて、第３図以下の添附図面を参照して本発　　　明
を具体化した実施例について説明する。ここに第３図及
び第４図は、本発明の第１及び第２の実施例に係る設置
方法を説明するスクリューコンベアの概略側面図、第５
図は、上記スクリューコンベアの端部を片持ち状態で支
持する軸受の側断面図である。以下スクリューコンベア
、スクリュークラシファイア、スクリューポンプを総称
してスクリューコンベアとして扱つ。Next, embodiments embodying the present invention will be described with reference to the accompanying drawings starting from FIG. Here, FIGS. 3 and 4 are a schematic side view of a screw conveyor for explaining the installation method according to the first and second embodiments of the present invention, and FIG.
The figure is a side sectional view of a bearing that supports the end of the screw conveyor in a cantilevered state. Hereinafter, the screw conveyor, screw classifier, and screw pump will be collectively referred to as the screw conveyor.

第３図及び第４図において、叫は水砕プール内に設けら
れる水中軸受で、プール内のコンクリート基台（１１）
上に取り付けられる。ｆ１２は水砕プール外の基台（１
１に取り付けられる複列の軸受で、基台０罎１こ直接取
り付けられる軸受箱Ｉ内に第５図で詳細に示す如き複列
の軸受（１５１及び＋Ｉｓを有し、前端ｔｔａを前記水
中軸受ａ〔で支持されるコンベア軸（１′０の後端（１
禮は、上記軸受（１９及び０９に嵌着されることによっ
て軸受箱０４）に固定梁状に支持される。In Figures 3 and 4, the reference symbol is an underwater bearing installed in a granulated pool, and is attached to a concrete base (11) in the pool.
mounted on top. f12 is the base outside the granulated pool (1
A double row bearing (151 and +Is) as shown in detail in FIG. Conveyor shaft (1'0 rear end (1
The shaft is supported by the bearing box 04 in the form of a fixed beam by being fitted into the bearings (19 and 09).

このようにして支持されるコンベア軸に自重とは逆方向
のモーメン）　（Ｍ）を与えつつ基台上に設置する第１
の方法について説明する。この場合、第３図に示すよう
に、まず軸受範囲を基台Ｏｊ上に載置する。この時コン
ベア軸（１ηの前端部を支持する軸受ａ１は、図示のよ
う各ζ水中の基台Ｕυから適当な隙間（７）だけ上方へ
浮かせた状態でクレーン等によって持ち上げておく。こ
のように軸受ＯＩを隙間■の幅（１）だけ持ち上けた状
態で、軸受箱ａ菊の底面四が基台０３の上面（至）に密
着するように基台ｑ１Ｊ及び０濠の高さ位置を予め設定
しておく。この状態で軸受箱ｕ楊の後端に設けた取付孔
（２）と基台０３の後端に設けた取付孔（至）の芯を合
わせ、これにボルトのを貫通させ、取付孔−の下方へ突
出したボルト（２）のネジ部（財）にサラバネ（イ）及
びナツト（至）を装着する。The conveyor shaft supported in this way is given a moment (M) in the opposite direction to its own weight, while the first
We will explain how to do this. In this case, as shown in FIG. 3, the bearing area is first placed on the base Oj. At this time, the bearing a1 that supports the front end of the conveyor shaft (1η) is lifted by a crane or the like in a state where it is suspended upward by an appropriate gap (7) from the base Uυ in each ζ water as shown in the figure. With the bearing OI lifted by the width of the gap (1), set the height positions of the bases q1J and 0 moat in advance so that the bottom surface 4 of the bearing box a chrysanthemum comes into close contact with the top surface (to) of the base 03. In this state, align the mounting hole (2) on the rear end of the bearing box with the mounting hole (to) on the rear end of the base 03, and pass the bolt through this. , Attach the spring (A) and nut (To) to the threaded part of the bolt (2) that protrudes downward from the mounting hole.

ナツト（至）は、サラバネ（ハ）に一定の押圧力がかか
るまで、トルクレンチ等を用いて締め付けてあく。Tighten the nut (1) using a torque wrench or the like until a certain amount of pressure is applied to the spring (3).

次に軸受ａ〔を上方へ浮かせているクレーン等を駆動し
て、軸受ＯＩの位置を徐々に下げて行く。するとコンベ
ア軸面の傾きが徐々に増加していき、サラバネ（ハ）が
たわんで軸受精口Φの後端縁（ハ）と、基台＋１３の上
面（滲との間に隙間（至）が生じ、サラバネ（５）の圧
縮量に応じた矢印（Ｘ）の方向、即ちコンベア軸Ｕηの
自重による曲げモーメントを打ち消す方向の曲げモーメ
ント（Ｍ）がコンベア軸後端（旧に発生する。このサラ
バネ（ハ）による曲げモーメント（Ｍ）は、サラバネ（
ハ）のたわみ量、即ち軸受箱Ｉの傾き量に比例するから
、ダイヤルゲージ■を用いて軸受箱ａ勾の浮き上がり量
を検出することによって任意の値に調整することができ
、所定の曲げモーメント（Ｍ）を得た時点で、軸受ＯＩ
の下降を停止し、その時の隙間（至）及び（至）の幅に
応じたスペーサを隙間（至）及び（２）に挿入し、軸受
Ｏ１を基台（ＩＩ）に、また軸受箱０４１を基台０（至
）に固着する。以上の操作によってコンベア軸αηの後
端（］措に矢印（Ｘ）の方向の曲げモーメントを付与し
た状態のまま、コンベア軸Ｕηを基台に設置することが
できる。Next, a crane or the like that is floating the bearing a is driven upward to gradually lower the position of the bearing OI. Then, the inclination of the conveyor shaft surface gradually increases, and the counter spring (C) bends, creating a gap (to) between the rear edge (C) of the shaft inlet Φ and the top surface of the base +13. A bending moment (M) is generated at the rear end of the conveyor shaft (old) in the direction of the arrow (X) according to the amount of compression of the countershaft spring (5), that is, in a direction that cancels out the bending moment due to the conveyor shaft Uη's own weight. The bending moment (M) due to (c) is
Since it is proportional to the amount of deflection c), that is, the amount of inclination of the bearing box I, it can be adjusted to any value by detecting the amount of uplift of the slope of the bearing box A using a dial gauge ■, and the predetermined bending moment When (M) is obtained, the bearing OI
Stop descending, insert spacers corresponding to the widths of the gaps (to) and (to) into the gaps (to) and (2), and place the bearing O1 on the base (II) and the bearing box 041. Fixed to base 0 (to). By the above operation, the conveyor shaft Uη can be installed on the base while the bending moment in the direction of the arrow (X) is applied to the rear end ( ) of the conveyor shaft αη.

第４図に示す第２の設置方法においては、軸受（１０’
）及び軸受箱（１４’）を基台（１白及び（１３’）−
上に載置した第４図示の状態において、軸受箱（１４’
）の後端縁（２７’）と、基台（１３’）の上面（２０
’）との間に隙間（２８’）が当初から発生するように
、基台（１１’）及び（１３’）の商さ位置及びその傾
きを予め設□　　定しておき、この状態で軸受（１０’
）をまず基台（ｉｉ’）　　に固定する。次いで前記第
１の方法と同様に基台（１３’）と軸受箱（１４’）に
装着したボルト（２３’）に螺着したナツト（２６’）
を締めっけ、サラバネ（２５’）を押圧すると、前記と
同様コンベア軸０ηに矢印（Ｘ）の方向の曲げモーメン
）　（Ｍ）が付与され、この曲げモーメントの値は、サ
ラバネ（２５’）のたわみ量に比例するので、これをダ
イヤルゲージ（２９’）によって測定しつつナラ）　（
２６’）を締め込み、所定のたわみ量を得た時点でこの
時の隙間（２８’）の厚さを測定し、この厚さに応じた
スペーサを隙間（２８’）に挿入して軸受箱（１４’）
を基台（ｉ　ａ’）に固着し、コンベア軸の基台上への
設置を完了する。In the second installation method shown in FIG.
) and bearing box (14') to the base (1 white and (13') -
In the state shown in the fourth figure, the bearing box (14'
) and the upper surface (20) of the base (13').
□ Set the quotient positions and inclinations of the bases (11') and (13') in advance so that a gap (28') is created between them from the beginning. (10'
) is first fixed on the base (ii'). Next, as in the first method, a nut (26') is screwed onto a bolt (23') attached to a base (13') and a bearing box (14').
When tightening and pressing the counter spring (25'), a bending moment (M) in the direction of the arrow (X) is applied to the conveyor shaft 0η as before, and the value of this bending moment is equal to Since it is proportional to the amount of deflection, measure it with the dial gauge (29') and adjust the
26'), and when the specified amount of deflection is obtained, measure the thickness of the gap (28') at this time, insert a spacer according to this thickness into the gap (28'), and install the bearing box. (14')
is fixed to the base (ia') to complete the installation of the conveyor shaft onto the base.

本発明は以上述べたように、両端を支持され分布荷重を
受けるスクリューコンベアを基台上に設置する方法にお
いて、コンベア軸の一端を固定梁状に支持し、該固定梁
端部にスクリューコンベアの自重による曲げモーメント
を打ち消す方向の曲げモーメントを付与することを特徴
とするスクリューコンベアの設置方法であるから、軸受
間距離が長いスクリューコンベアにおいても、コンベア
軸にかかる曲げ応力を平均化することができ、最大曲げ
応力の値を下げることができるので、コンベア軸を小径
化することができ、スクリューコンベアと同様の機構を
持ち、一括してスクリューコンベアとして扱うことので
きるスクリュークラシファイアやスクリューポンプにつ
いても同様に適用可能である。As described above, the present invention is a method for installing a screw conveyor supported at both ends and receiving a distributed load on a base, in which one end of the conveyor shaft is supported in the form of a fixed beam, and the screw conveyor is attached to the end of the fixed beam. This screw conveyor installation method is characterized by applying a bending moment in the direction that cancels out the bending moment due to its own weight, so even in screw conveyors with long distances between bearings, the bending stress applied to the conveyor shaft can be averaged out. Since the maximum bending stress value can be lowered, the conveyor shaft can be made smaller in diameter, and the same applies to screw classifiers and screw pumps, which have a similar mechanism to a screw conveyor and can be treated as a screw conveyor. Applicable to

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

＠１図は、採鉱用のスクリューコンベアの側面−図、第
２図（ａ）及び（ｂ）は、従来のスクリューコンベア軸
の荷重分布及び曲げ応力分布を示す線図、同図（ｃ）　
、　（’Ｊは、本発明方法による逆方向の曲げモーメン
トを軸端に作用させた場合の曲げ応力の分布を示す線図
、第５図は、同逆方向の曲げモーメントを付与する軸受
部の側断面図である。 （符号の説明） １７・・・コンベア軸、２５．２５’・・・サラバネ（
弾性体）、１３．１３’・・・基台、１６・・・端部、
１４．１４’・・・軸受箱、２８．２８’・・・隙間、
１５・・・軸受、２３．２３’・・・ボルト、２６．２
６’・・・ナツト、１０．１０’・・・水中軸受、１１
　、１１’・・・基台。 出　願　人　　株式会社　神戸製鋼所 代理人　弁理士本庄武男 手続補正書 昭和、５７年１０月１２日 特許庁長　官　　　　　殿 １　事件の表示 昭和５７年　特許　願第１０２６３８号２、　発明の名
称　　　　スクリューコンベアの設置方法３　補正をす
る者 事件との関係　　　特許出願人 ８、油止の内容 明細搭第９ページ第１４行目の「を示す梅園、」の後に
［第３図及び第４図は、本発明の第１及び第２の実用例
に・係る設置方法を説明するスクリューコンベアのｍ略
側面図、」の文章を挿入する。@Figure 1 is a side view of a mining screw conveyor, Figures 2 (a) and (b) are diagrams showing the load distribution and bending stress distribution of a conventional screw conveyor shaft, and Figure 2 (c)
, ('J is a diagram showing the distribution of bending stress when a bending moment in the opposite direction is applied to the shaft end according to the method of the present invention, and Figure 5 is a diagram showing the distribution of bending stress when a bending moment in the opposite direction is applied to the shaft end. It is a side sectional view. (Explanation of symbols) 17...Conveyor shaft, 25.25'...Set spring (
elastic body), 13.13'... base, 16... end,
14.14'...Bearing box, 28.28'...Gap,
15...Bearing, 23.23'...Bolt, 26.2
6'...Nut, 10.10'...Underwater bearing, 11
, 11'... base. Applicant Kobe Steel Co., Ltd. Agent Patent Attorney Takeo Honjo Procedural Amendment Showa, October 12, 1957 Commissioner of the Patent Office 1 Indication of the Case 1982 Patent Application No. 102638 2 Title of Invention Screw conveyor Installation method 3 Relationship with the case of the person making the amendment Patent applicant 8, after "A plum orchard showing" on page 9, line 14 of the specification of contents of the oil stop [Figures 3 and 4 are Insert the following sentence: ``Schematic side view of a screw conveyor explaining the installation method according to the first and second practical examples.''

Claims (1)

【特許請求の範囲】 １、両端を支持され分布荷重を受けるスクリューコンベ
アを基台上に設置する方法において、コンベア軸の一端
を固定梁状に支持し、該固定梁端部にスクリューコンベ
アの自重による曲げモーメントを打ち消す方向の曲げモ
ーメントを付与することを特徴とするスクリューコンベ
アの設置方法。 ２、固定梁状の端部を弾性体を介して基台上にセットし
た後、他端部のセット位置を降下させて上記弾性体に歪
を生ぜしめ、該歪を検出することによってスクリューコ
ンベアに与えられた上向きの曲げモーメントの値を検出
し、適正曲げモーメントを得た位置で他端部のセット位
置を固定すると共に、固定梁側端部を基台上に固定する
如くなした特許請求の範囲第１項に記載した設置方法。 ３、同定梁状の端部を支持する軸受箱底面と基台との間
に予め軸端方向に開口する楔状隙間を形成すると共に上
紀他端部を基台に浮き上がらないように取付け、弾性体
を介して軸受箱を基台上に押圧して上記弾性体に歪を生
ぜしめ、該歪を検出す′ることによってスクリューコン
ベアに与えられた曲げモーメントの値を検出し、適正曲
げモーメントを得た位置で上記軸受箱と基台との間にそ
の隙間に対応したスペーサを挿入して軸受箱を基台に固
定する如くなした特許請求の範囲第１項に記載した設置
方法。[Claims] 1. In a method of installing a screw conveyor supported at both ends and receiving a distributed load on a base, one end of the conveyor shaft is supported in the form of a fixed beam, and the self-weight of the screw conveyor is placed at the end of the fixed beam. A screw conveyor installation method characterized by applying a bending moment in a direction that cancels the bending moment due to 2. After setting the end of the fixed beam on the base via the elastic body, lower the setting position of the other end to create a strain on the elastic body, and detect the strain to adjust the screw conveyor. A patent claim in which the value of the upward bending moment given to the beam is detected, and the set position of the other end is fixed at the position where the appropriate bending moment is obtained, and the fixed beam side end is fixed on the base. The installation method described in Section 1 of the scope. 3. A wedge-shaped gap that opens toward the shaft end is formed in advance between the base and the bottom of the bearing box that supports the end of the beam, and the other end of the beam is attached to the base so that it does not float up. The bearing box is pressed onto the base through the body to create strain in the elastic body, and by detecting the strain, the value of the bending moment applied to the screw conveyor is detected, and the appropriate bending moment is determined. The installation method according to claim 1, wherein a spacer corresponding to the gap is inserted between the bearing box and the base at the obtained position to fix the bearing box to the base.
JP10263882A 1982-06-15 1982-06-15 Screw conveyor installing method Granted JPS58220008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10263882A JPS58220008A (en) 1982-06-15 1982-06-15 Screw conveyor installing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10263882A JPS58220008A (en) 1982-06-15 1982-06-15 Screw conveyor installing method

Publications (2)

Publication Number Publication Date
JPS58220008A true JPS58220008A (en) 1983-12-21
JPS6319408B2 JPS6319408B2 (en) 1988-04-22

Family

ID=14332778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10263882A Granted JPS58220008A (en) 1982-06-15 1982-06-15 Screw conveyor installing method

Country Status (1)

Country Link
JP (1) JPS58220008A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107600921A (en) * 2017-08-08 2018-01-19 罗斯（无锡）设备有限公司 A kind of powder feeding device
CN110817300A (en) * 2019-10-18 2020-02-21 赵其英 Automatic change non-woven fabrics production line
CN111056255A (en) * 2019-12-31 2020-04-24 西安宝鑫自动化设备有限公司 Diving bearing protection structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107600921A (en) * 2017-08-08 2018-01-19 罗斯（无锡）设备有限公司 A kind of powder feeding device
CN110817300A (en) * 2019-10-18 2020-02-21 赵其英 Automatic change non-woven fabrics production line
CN111056255A (en) * 2019-12-31 2020-04-24 西安宝鑫自动化设备有限公司 Diving bearing protection structure

Also Published As

Publication number Publication date
JPS6319408B2 (en) 1988-04-22

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