1325477 (1) 九、發明說明 【發明所屬之技術領域】 本發明係關於旋轉支持被使用於釀造工業的製麴工序 中之旋轉圓板式製麴裝置的旋轉圓板之軸承構造的發明。 【先前技術】 以往，已知有一種旋轉圓板式自動製麴裝置，此裝置 係在製麴室內，配置由多孔板所構成的旋轉圓板，並將包 含製麴層的原料層載置在旋轉圓板上，使圓板一邊旋轉一 邊自動地進行製麴。 專利文獻1:日本特開平10-327843號公報 第8圖和第9圖係重新揭示專利文獻1的第1圖和第 2圖之圖；根據這些圖面來說明習知技術。符號已經重新 編號。根據這些圖面，說明習知技術。 將軸101設置在製麴室100的中央部的頂棚100a、地 板]〇〇b之間，上部軸1 〇 1 a被固定於頂棚]〇〇a處，下部 軸1 〇 1 b則被固定於地板1 〇 1 b上。 將旋轉圓板]02的承座1〇3，經由上下的軸承]〇4、 105，旋轉自如地支持在上部軸1〇ia和下部軸i〇lb之間[First Embodiment] [Technical Field] The present invention relates to a bearing structure for rotating a rotating circular plate of a rotary disk type tamping device used in a mashing process in the brewing industry. [Prior Art] Conventionally, there has been known a rotary disc type automatic tamping apparatus which is disposed in a sputum chamber, is provided with a rotating circular plate composed of a perforated plate, and is placed on a rotating material layer containing a bismuth layer. On the circular plate, the circular plate is automatically rotated while rotating. Patent Document 1: Japanese Laid-Open Patent Publication No. Hei No. Hei 10-327843. FIG. 8 and FIG. 9 re-disclose the first and second drawings of Patent Document 1, and the prior art will be described based on these drawings. The symbol has been renumbered. Based on these drawings, the prior art is explained. The shaft 101 is disposed between the ceiling 100a and the floor 〇〇b of the central portion of the tamping chamber 100, the upper shaft 1 〇 1 a is fixed to the ceiling 〇〇 a, and the lower shaft 1 〇 1 b is fixed to Floor 1 〇 1 b. The socket 1〇3 of the rotating circular plate]02 is rotatably supported between the upper shaft 1〇ia and the lower shaft i〇1 via the upper and lower bearings]〇4, 105.
Q 旋轉圓板102係由多孔板所形成，載置包含製麴層的 製麴原料1 06 ;再者，符號1 〇7係支持旋轉圓板I 〇2的外 端部之軌。 旋轉圓板1 〇 2以軸1 〇 ]爲中心而旋轉，進行自動製麴 -5- (2) 1325477 就習知的旋轉圓板式製麴裝置而言，由於未考房 承的故障、更換等，將圓板支持成旋轉自如之軸承， 故障，則在更換軸承時，特別是下部軸承1 〇5故障 換此軸承時，需要將支持旋轉圓板102之承座]03l 方拔出來進行更換。 進行此作業時’需要卸下頂棚i 0 0 a，將上部軸 往上方拔出，將承座103連同旋轉圓板往上方拔出， 下部軸l〇lb將下部軸承105卸下。 即使是更換上部軸承1 〇 4的情況，由於也需要辦 軸l〇la往上方拔出，所以需要卸下頂棚】〇〇a。 以上的習知技術’當軸承更換時，需要卸下頂棚 ’將軸101往上方拔出，再將軸承1〇4、1〇5自承座 軸101a、101b卸下，因而會有軸承的更換作業規標 、作業麻煩、複雜’且作業時間長等的不佳情況。 本發明係鑒於上述問題點而開發出來，本發明把 人’基於就旋轉圓板式製麴裝置而言，旋轉圓板的旅 度最快也是1小時數圏程度之超低速度，因此得到不 使用滾珠與滾子軸承（ban-and-roller bearing)之類 旋轉且構造複雜的軸承之創見。 又，本發明的發明人得到了旋轉圓板式製麴裝置 超低速旋轉的狀態進行運轉，而可以使用滑動軸 sliding bearing)之創見’再考量此創見而完成本發明 R到軸 萬一 0要更 往上 ]〇la 再自 ί上部 100a 103 ' 【龐大 I發明 i轉速 :需要 :的高 係以 承（ (3) (3)1325477 【發明內容】 (發明所欲解決之課題） 本發明的課題在於提供一種軸承構造，就旋轉圓板式 製麴裝置而言，使支持旋轉圓板之軸承的更換，不需要卸 下製麴裝置的頂棚等的大規模作業，而.作成可以在短時間 內，容易地進行簡單的作業。 (解決課題所用的手段） 關於申請專利範圍第1項的發明，爲旋轉圓板式製麴 裝置的軸承構造，其特徵爲：在具備以直立地被設置在製 麴室內的固定支軸爲中心而可以旋轉的圓板之旋轉圓板式 製麴裝置之中，將由具備止推軸承面和徑向軸承面之可在 直徑方向分割的分割軸承環所組成的固定側軸承構件，裝 卸可能地安裝在前述固定支軸； 並將由具備止推軸承面和徑向軸承面之可在直徑方向 分割的分割軸承環所組成的旋轉側軸承構件，裝卸可能地 安裝在前述圓板； 使得前述固定側軸承構件的止推軸承面和徑向軸承面 與前述旋轉側軸承構件的止推軸承面和徑向軸承面，可以 滑接。 申請專利範圍第2項的發明，係如申請專利範圍第1 項所述的旋轉圓板式製麴裝置的軸承構造，其中構成前述 固定側軸承構件的分割軸承環，係利用與相位偏轉而重疊 的分割連接環之間的接合，來構成環狀的固定側軸承構件 (4) (4)1325477 ;構成前述旋轉側軸承構件的分割軸承環，係利用與相位 偏轉而重疊的分割連接環之間的接合，來構成環狀的旋轉 側軸承構件。 申請專利範圍第3項的發明，係如申請專利範圍第2 · 項所述的旋轉圓板式製麴裝置的軸承構造，其中前述分割 · 軸承環和分割連接環，係以二分割的構件來構成。 申請專利範圍第4項的發明，係如申請專利範圍第I 、2或3項所述的旋轉圓板式製麴裝置的軸承構造，其中 鲁 利用設置在圓板處的蓋’來覆蓋前述固定側軸承構件、旋 轉側軸承構件的外側。 申請專利範圍第5項的發明，係如申請專利範圍第1 、2或3項所述的旋轉圓板式製麴裝置的軸承構造，其中 前述固定側軸承構件、旋轉側軸承構件，係在燒結金屬中 浸透潤滑材之自己潤滑軸承構件。 申請專利範圍第6項的發明，係如申請專利範圍第4 項所述的旋轉圓板式製麵裝置的軸承構造，其中前述固定 鲁 側軸承構件 '旋轉側軸承構件’係在燒結金屬中浸透潤滑 材之自己潤滑軸承構件。 【實施方式】 (實施發明的最佳形態） 以下，根據圖面來說明實施本發明的最佳形態。再者 ，圖面係按照符號來說明。 第1圖係表示旋轉圓板式製麴裝置的槪要之縱剖面圖 -8-The Q-shaped circular plate 102 is formed of a perforated plate, and the tamping material 106 including the ruthenium layer is placed thereon. Further, the symbol 1 〇7 supports the rail of the outer end portion of the rotating disk I 〇2. Rotating disc 1 〇 2 rotates around the axis 1 〇] and performs automatic 麴-5- (2) 1325477 In the case of the conventional rotary disc type boring device, the failure, replacement, etc. of the unrecognized housing When the circular plate is supported as a freely rotatable bearing, if the bearing is replaced, especially when the lower bearing 1 〇 5 is replaced, the bearing supporting the rotating circular plate 102 needs to be pulled out for replacement. . When performing this operation, it is necessary to remove the ceiling i 0 0 a, pull the upper shaft upward, pull the socket 103 upward with the rotating circular plate, and remove the lower bearing 105 from the lower shaft l lb. Even if the upper bearing 1 〇 4 is replaced, the shaft l〇la needs to be pulled upwards, so it is necessary to remove the ceiling 〇〇a. The above-mentioned prior art 'when the bearing is replaced, the roof needs to be removed', the shaft 101 is pulled upward, and the bearings 1〇4, 1〇5 are removed from the bearing shafts 101a, 101b, so that the bearing is replaced. Poor work conditions, complicated work, complicated 'and long working hours, etc. The present invention has been developed in view of the above problems, and the present invention is based on the fact that in the case of a rotary circular plate type boring device, the traveling speed of the rotating circular plate is also the fastest at an ultra-low speed of one hour, so that it is not used. The idea of a rotating and complex bearing such as a ban-and-roller bearing. Further, the inventors of the present invention have obtained the state in which the rotary disc type squeezing device is rotated at an ultra-low speed, and the sliding bearing of the sliding shaft can be used to re-consider the creator to complete the present invention.上上] 〇la and then from the upper part 100a 103 ' [Big I invention i rotation speed: Needs: high system (6) (3) 1325477 [Summary of the invention] (Problems to be solved by the invention) In order to provide a bearing structure, in the case of a rotary disk type boring device, the replacement of the bearing supporting the rotating circular plate does not require large-scale operation such as removing the ceiling of the tamping device, and the preparation can be performed in a short time. (Effects of the problem) The invention of the first aspect of the patent application is a bearing structure of a rotary disk-type tamping device, which is characterized in that it is provided in an upright position in a manufacturing chamber. In the rotating circular plate type boring device with a fixed fulcrum as the center and a rotatable circular plate, a split shaft which is diametrically divided by a thrust bearing surface and a radial bearing surface a fixed-side bearing member composed of a retaining ring, which may be attached to the fixed support shaft; and a rotary-side bearing member composed of a split bearing ring having a thrust bearing surface and a radial bearing surface which can be divided in the diameter direction, The loading and unloading may be mounted on the circular plate; the thrust bearing surface and the radial bearing surface of the fixed-side bearing member may be slidably coupled to the thrust bearing surface and the radial bearing surface of the rotating-side bearing member. The invention is the bearing structure of the rotary disc type tamping apparatus according to the first aspect of the invention, wherein the split bearing ring constituting the fixed-side bearing member is a split connecting ring that overlaps with phase deflection. The joint between the two sides constitutes an annular fixed-side bearing member (4) (4) 1325477, and the split bearing ring that constitutes the above-described rotating-side bearing member is formed by joining between split connecting rings that overlap with phase deflection. Annular rotating side bearing member. The invention of claim 3 is a rotating disc type armor as described in claim 2 The bearing structure in which the aforementioned split/bearing ring and the split connecting ring are constituted by two-divided members. The invention of claim 4 is a rotating circle as described in claim No. 1, 2 or 3. The bearing structure of the plate type tamping device, wherein Lu covers the outer side of the fixed side bearing member and the rotating side bearing member by a cover ' provided at the circular plate. The invention of claim 5 is as claimed in the patent application. The bearing structure of the rotary disc type tamping device according to the above aspect, wherein the fixed side bearing member and the rotating side bearing member are self-lubricating bearing members which are impregnated with the lubricating material in the sintered metal. The invention relates to a bearing structure of a rotary disc type surface forming apparatus according to claim 4, wherein the fixed luer side bearing member 'rotating side bearing member' is a self-lubricating bearing member in which a lubricating material is impregnated in a sintered metal. . BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the best mode for carrying out the invention will be described based on the drawings. Furthermore, the drawings are described by symbols. Figure 1 is a schematic longitudinal section of a rotating disc-type tamping device.
1325477 旋轉圓板式製麴裝置1，具有以頂棚la、周壁lb及 地板1 c而從周圍區隔成的製麴室2 ;在內部的中心部，將 固定支軸3 (以下稱爲支軸）立設在地板1 c和頂棚1 a之 · 間，而旋轉圓板4.則被支持在該支軸3的高度方向中間部 -〇 旋轉圓板4，係以不銹鋼製的多孔板或鋼板所形成， 包含製麴層的製麴原料層5等，被載製在旋轉圓板4上； φ 利用馬達而被驅動之驅動小齒輪7，被配設在周壁lb的內 周壁，並與旋轉圓板4的周邊部的齒條6嚙合，而利用馬 達動力使旋轉圓板4旋轉。 在上下方向隔開間隔之下側的調濕空氣入口 8、上側 的空氣出口 9’被設置在周壁lb的一側；將製麴用調濕空 氣a’自調濕空氣入口 8，如白色箭頭所示，導入製麴室2 內，調濕空氣自以多孔板所構成的旋轉圓板4的下方，往 上方通過’再如白色箭頭b所示，自空氣出口 9被排出室 馨 外。 第2圖係關於本發明的軸承構造的重要部位的縱剖面 圖。 以支軸3的軸方向中間部爲邊界，將下半部3a設爲 大徑部’將上半部3 b設爲小徑部，其中間則設置階梯部 _ 3 c ° 經由設置在旋轉圓板4的中心部之支持孔4 a，使旋轉 圓板4 &轉自如地嵌合在支軸3的小徑部3 b。 -9- (6) (6)1325477 將由分割軸承環所組成的固定側軸承構件（固定側軸 承）10’安裝在以上的支軸3的階梯部3c;由分割軸承環 所組成的旋轉側軸承構件（旋轉側軸承）3 0，安裝在旋轉 圓板4的支持孔4a的周邊部底面。 第3圖係固定側軸承的組裝狀態和分解狀態的立體圖 ’爲了說明上的方便，省略了軸的上半部的圖。 固定側軸承1 0，係由二個半圓狀的分割軸承環1 1、 12所組成’將其接合起來而構成正圓的軸承。 分割軸承環1 1、12，如第2圖所示，爲剖面橫凸狀， 並具有厚度大的矩形剖面的基部13'及自此基部13的厚 度方向的中間部外周往直徑方向外方突出的凸部14。 在基部13，具備貫通其厚度方向而直立地設置安裝孔 1 5 » 又’在基部13的厚度方向的中間部，往直徑方向外 方突出的前述凸部14的頂面，形成用來構成軸承面之凹 段部〗6。 將凹段部1 6的頂面作爲止推軸承面1 6a，而將成爲肩 部的縱面，作爲徑向軸承面1 6 b。 在分割軸承環11' 12的凸部14的底面，形成要鑽進 上方之連接環用的凹段部17»在以上的凸部14，具備直 立地設置而貫通該凸部之複數個連接孔18，這些連接孔在 圓周方向間隔開來。 符號]9、20係由二個分割環所組成的半圓狀的分割 連接環’將其接合起來而構成正圓的環，並將固定側軸承 -10- (7) (7)1325477 10連接成正圓狀的軸承環。 分割連接環1 9、2 0的厚度，係利用與在前述分割軸 承環11、12的凸部14底面之凹段部]7的厚度相同厚度 的板狀構件來構成，並且對應形成在凸部1 4中的連接孔 · 1 8，具備直立地設置並貫通分割連接環丨9、2 0之螺絲孔 . 2卜 構成以上的固定側軸承之分割軸承環丨丨' 1 2，係利用 在燒結金屬中浸透石墨等的潤滑材所形成的自己潤滑性的 φ 材料來形成。分割連接環，考慮衛生性，且考量分割軸承 環1 1、1 2的背托（back up )，係利用不銹鋼來形成。 以上的分割軸承環1 1、1 2，如第2圖和第3圖所示， 將被分割成二部分的分割軸承環11、12，配置成夾住設置 在支軸3的軸方向中間部的階梯部3 c，並使分割端部互相 抵接。 分割軸承環1 1 ' 1 2的各基部1 3的底面1 3 a ,係被載 置在階梯部3c的頂面而面對面。在階梯部3c,事先設置 鲁 螺絲孔3 d…，此螺絲孔3 d…對應設置在分割軸承環π ' 12的各基部13中的安裝孔15。 使螺栓22…通過安裝孔1 5 ··•，與螺絲孔3 d…螺合， 而將分割軸承環11、12固定在支軸3的階梯部3c上。 利用前述螺栓2 2…’將分割軸承環】]、I 2的安裝作 成暫時固定狀態，再將分割連接環19、2〇夾入分割軸承 環]1、1 2的各凸部1 4底面的凹段部1 7、及階梯部3 c之 間的間隙內。 -11 - (8) (8)1325477 使螺栓2 3…通過設置在分割軸承環Π、1 2的凸部1 4 、]4處的連接孔1 8…’而將凸部1 4、1 4和分割連接環1 9 、20結合起來。 藉此，分割軸承環1 1 '】2 ’藉由分割連接環I 9 ' 2 0 ，被連接成一體化，而在階梯部3c上，構成圓形的環狀 固定側軸承1 〇。 分割連接環1 9、2 0的配置’相對於分割軸承環1 1、 1 2的配置，係偏轉相位90 °。又’螺栓23…係使用其頭 部不會自構成軸承面的上部的凹段部16的止推軸承面16a 突出之埋頭螺栓（counter sunk screw)。 使連接並存在於分割軸承環1]、12的凸部14的下部 凹段部I 7中之分割連接環】9、2 0的底面，變成與分割軸 承環11、12的基部13的底面13a爲同一平面。分割連接 環19、20的直徑方向內方的直徑方向半部，與分割軸承 環1 1、] 2的基部1 3 —起抵接在階梯部3 c的頂面。 然後，旋緊螺栓22，將分割軸承環11、12固定於支 軸3的階梯部3 c。藉此，固定側軸承1 0被形成而被安裝 在支軸3的階梯部3c。 被形成的固定側軸承10，外觀上爲圓形環狀，在其外 周側的頂面，具備構成軸承面的凹段部〗6，並具備止推軸 承面16a、徑向軸承面]6b。 第4圖係旋轉側軸承的分解立體圖、第5圖係旋轉側 軸承的組裝狀態的立體圖。根據第4圖和第5圖並且配合 第2圖：來說明旋轉側軸承。 -12 - (9) (9)1325477 旋轉側軸承3 Ο ’係以規定厚度的板狀構件所形成，在 第4圖的下側所示者’係二個半圓狀的分割軸承環3 ]、3 2 〇 將—個半圓狀的分割軸承環31、32接合起來，構成 圓形的環狀旋轉側軸承3 0。 分割軸承環31' 32’作爲軸承面33，具有底面的止 推軸承面33a、及內周部的徑向軸承面33b;並分別具有 在半圓的圓周方向間隔開來的安裝孔3 4…、及連接孔3 5… 〇 此種的分割軸承環3 1、3 2，與前述固定側軸承1 〇的 分割軸承環1 1 '] 2相同，係利用在燒結金屬中浸透石墨 等的潤滑材所形成的自己潤滑性的材料來形成。 第4圖的上側表示分割連接環3 6 ' 3 7 ;分割連接環 3 6、3 7，與前述相同，係利用規定厚度的板狀構件來形成 。在分割連接環3 6 ' 3 7，具有：對應分割軸承環3 1、3 2 的連接用連接孔35...之連接孔39··.;及對應安裝孔34...之 安裝孔3 8。 分割連接環3 6、3 7可以利用不銹鋼板等來形成，也 可以與分割軸承環3 1、3 2同樣地利用在燒結金屬中浸透 石墨等的潤滑材所形成的自己潤滑性的材料來形成。 將以上的分割軸承環3 ]、32配置成使得其端部互相 對接’而在其下側’以相對於分割軸承環3 1 ' 3 2偏轉9 0 。的相位來配置分割連接環3 ό、3 7 ’並使其上下重疊。 埋頭螺栓狀的螺栓4 0…’通過上側的分割連接環3 6 -13- (10) (10)1325477 ' 3 7的連接孔3 9 ...，將分割軸承環3〗、3 2旋緊在分割連 接環36、37處’而將環31及32、和36及37結合成一體 化。 利用上述的手段，構成第5圖所示的旋轉側軸承3 0 ; ' 在該圖中，顯示：由埋頭螺栓所構成的長螺栓4 1…，自下 -· 方通過安裝孔34、38··.，使螺栓軸部往上方突出的狀態。 以上的旋轉側軸承3 0，如第2圖所示，係安裝在：配 置於支軸3的階梯部3 c上之旋轉圓板4的中心部的支持 φ 孔4a的底面4b的該支持孔4a的周邊部。 在支持孔4 a的周邊部，形成安裝螺絲孔4 c…。 旋轉側軸承30之安裝在旋轉圓板4的底面4b處的手 段，係如下述般地進行》 預先利用後述的千斤頂，使旋轉圓板4沿著支軸3的 小徑部3 b上升之後，使上下的分割軸承環3 1、3 2 ;分割 連接環3 6、3 7，端部互相對接，而上下地配置，然後自上 方插入螺栓4 0…’將上下的分割軸承環3 1 ' 3 2、分割連 鲁 接環36、37連接起來，而成爲一體化（第5圖的狀態） 〇 在此狀態下’旋轉側軸承3 0變成鬆配合在支軸3的 小徑部3b周邊，之後’使安裝螺栓41…面對旋轉圓板4 底面4b的支持孔4a周邊’再自下方將螺栓q…螺合在安 裝螺絲孔4 c…中’並加以旋緊，而如第2圖所示地將旋轉 側軸承3 0安裝在旋轉圓板4的支持孔4 a周邊部的底面4 b ' 處。 -14 - (11) (11)1325477 利用使旋轉圓板4下降，旋轉側軸承3 0卡合在下方 的固定側軸承]0的凹段部1 6。旋轉側軸承3 0的軸承面 3 3的底面的止推軸承面3 3 a，抵接在固定側軸承1 〇的凹 段部的止推軸承面1 6 a ;內周面的徑向軸承面3 3 b則抵接 在固定側軸承1 0的凹段部1 6的徑向軸承面1 6b。 藉由上述的構成，支軸3側的固定側軸承I 0、及旋轉 圓板4側的旋轉側軸承3 0，在止推方向、徑向方向雙方， 各軸承面卡合、接觸，而利用雙方的軸承來構成支承的滑 φ 動軸承。 此狀態利用第2圖來表示。 再者在第2圖中，油封45經由夾持具44而配置在旋 轉圓板4的支持孔4a的圓周片頂面^ 又’在軸承部分A的外周，將剖面大致爲Z字形的遮 蔽筒42’經由凸緣部42a、螺栓42b，安裝在旋轉圓板4 的底面側；並經由油封43使遮蔽筒42的下端部接觸靠近 支軸3的階梯部3 c之下半大徑部3 a的外周，使其密封， φ 而利用由遮蔽筒42所構成的蓋來防止由於軸承1〇、30的 滑接所產生的磨耗粉末等，飛散 '漏洩至製麴室內。 另外，前述旋轉側軸承3 0，也可以使分割連接環3 6 、3 7利用與分割軸承環3 1 ' 3 2相同的材料來形成。 藉此’即使正反面顛倒，具有燒結金屬的自己潤滑性 之軸承面，變成底面，而各環31、32、36、37爲相同形 狀的情況，即使有將正反面顛倒的誤組裝，也能夠加以對 ’ -15- (12) 1325477 第6圖係表示關於本發明的軸承的分解作業的側視圖 、第7圖係第6圖的7-7線剖面圖。依照這些圖面來說明 軸承的分解作業。 在圖示中，配設可以圍住支軸3的下部之基台5 0 ;該 基台50設置：具有放射狀的三根腳片51c…之支持板51 、51 ;及放射狀地設至於其間的補強肋52···。1325477 The rotary disc type tamping device 1 has a sputum chamber 2 separated from the surrounding area by a ceiling la, a peripheral wall lb and a floor 1c; at the inner center portion, a fixed fulcrum 3 (hereinafter referred to as a fulcrum) It is erected between the floor 1 c and the ceiling 1 a, and the rotating circular plate 4 is supported in the middle portion of the height direction of the support shaft 3 - the rotating circular plate 4 is made of a perforated plate or a steel plate made of stainless steel. The crucible material layer 5 or the like including the crucible layer is formed on the rotating circular plate 4; φ the driving pinion 7 driven by the motor is disposed on the inner peripheral wall of the peripheral wall lb, and is rotated with a circle The rack 6 of the peripheral portion of the plate 4 is engaged, and the rotating circular plate 4 is rotated by motor power. The humidity-conditioning air inlet 8 on the lower side of the space in the up-and-down direction and the air outlet 9' on the upper side are disposed on one side of the peripheral wall lb; the humidity-conditioning air inlet 8 is used to adjust the humidity air inlet 8 such as a white arrow. As shown in the introduction, the humidity-adjusting air is introduced from the lower side of the rotating circular plate 4 composed of the perforated plate, and passes upwards as indicated by the white arrow b, and is discharged from the air outlet 9 to the outside. Fig. 2 is a longitudinal sectional view showing an important part of the bearing structure of the present invention. The lower half 3a is defined as a large diameter portion with the lower half portion 3a as a large diameter portion, and the upper portion 3b is a small diameter portion, and a step portion _3 c ° is provided in the middle of the rotation circle. The support hole 4a of the center portion of the plate 4 is rotatably fitted to the small-diameter portion 3b of the support shaft 3 by the rotary disk 4 & -9- (6) (6) 1325477 A fixed-side bearing member (fixed-side bearing) 10' composed of a split bearing ring is attached to the step portion 3c of the above-mentioned support shaft 3; a rotary side bearing composed of a split bearing ring The member (rotating side bearing) 30 is attached to the bottom surface of the peripheral portion of the support hole 4a of the rotating circular plate 4. Fig. 3 is a perspective view showing the assembled state and the disassembled state of the fixed side bearing. For the convenience of explanation, the upper half of the shaft is omitted. The fixed-side bearing 10 is composed of two semi-circular divided bearing rings 1 1 and 12, which are joined together to form a perfect circular bearing. As shown in Fig. 2, the divided bearing rings 1 1 and 12 have a rectangular cross section and a base portion 13' having a rectangular cross section having a large thickness, and an outer portion of the intermediate portion in the thickness direction of the base portion 13 protrudes outward in the radial direction. The convex portion 14. The base portion 13 is provided with a mounting hole 15 5 » in the intermediate portion in the thickness direction of the base portion 13 so as to penetrate the thickness direction thereof, and a top surface of the convex portion 14 that protrudes outward in the diameter direction to form a bearing The concave section of the face is 6. The top surface of the concave portion 16 is used as the thrust bearing surface 16a, and will be the longitudinal surface of the shoulder as the radial bearing surface 16b. The concave portion 17» for forming the connecting ring to be drilled into the bottom surface of the split bearing ring 11'12 is formed in the above convex portion 14, and has a plurality of connecting holes that are provided upright and penetrate the convex portion. 18. These connecting holes are spaced apart in the circumferential direction. Symbols] 9, 20 are semicircular divided connecting rings composed of two divided rings, which are joined to form a perfect circular ring, and the fixed side bearings -10 (7) (7) 1325477 10 are connected in a positive Round bearing ring. The thickness of the split connecting ring 19, 20 is formed by a plate-like member having the same thickness as the thickness of the concave portion 7 of the bottom surface of the convex portion 14 of the divided bearing rings 11, 12, and is formed correspondingly to the convex portion. The connecting hole of 1 4 · 1 8 has a screw hole that is placed upright and penetrates the split connecting ring 丨9, 20. 2 The split bearing ring 丨丨' 1 2 that constitutes the above fixed side bearing is used for sintering. The metal is formed by impregnating a φ material of self-lubricating property formed of a lubricating material such as graphite. The connecting ring is divided, and the hygienic property is considered, and the back up of the divided bearing rings 1 1 and 1 2 is considered to be formed by using stainless steel. The above divided bearing rings 1 1 and 1 2 are divided into two divided bearing rings 11 and 12 as shown in Figs. 2 and 3, and are arranged to sandwich the axial portion provided in the axial direction of the support shaft 3. The step portion 3 c and the divided end portions abut each other. The bottom surface 1 3 a of each of the base portions 1 3 of the divided bearing rings 1 1 ' 1 2 is placed on the top surface of the step portion 3c to face each other. In the step portion 3c, a screw hole 3d... is provided in advance, and the screw hole 3d... corresponds to the mounting hole 15 provided in each of the base portions 13 of the split bearing ring π'12. The bolts 22 are screwed into the screw holes 3 d... through the mounting holes 1 5 ···, and the split bearing rings 11 and 12 are fixed to the step portions 3 c of the support shaft 3 . The mounting of the split bearing ring 】 and I 2 is temporarily fixed by the bolts 2 2...', and the split connecting rings 19 and 2 〇 are sandwiched between the bottom faces of the respective convex portions 14 of the split bearing rings 1:1 and 1 2 The gap between the concave portion 17 and the step portion 3 c is in the gap. -11 - (8) (8) 1325477 Let the bolts 2 3... be the projections 1 8 , 1 4 provided at the projections 1 8 , 4 of the split bearing ring 1, 1 2 It is combined with the split connecting ring 19, 20. Thereby, the split bearing ring 1 1 '2' is connected to be integrated by dividing the connecting ring I 9 ' 20 , and the circular fixed side bearing 1 构成 is formed on the step 3c. The arrangement of the split connecting rings 1 9 and 20 is shifted by 90° with respect to the arrangement of the split bearing rings 1 1 and 1 2 . Further, the "bolt 23" is a counter sunk screw whose head portion does not protrude from the thrust bearing surface 16a of the concave portion 16 which constitutes the upper portion of the bearing surface. The bottom surface of the divided connecting ring 9 and 20 which are connected and existing in the lower concave portion I 7 of the convex portion 14 of the split bearing ring 1], 12 becomes the bottom surface 13a of the base portion 13 of the split bearing ring 11, 12 For the same plane. The diametrical half in the radial direction of the divided connecting rings 19 and 20 abuts against the base portion 13 of the divided bearing rings 1 1 and 2 on the top surface of the step portion 3 c. Then, the bolt 22 is tightened, and the split bearing rings 11, 12 are fixed to the step portion 3c of the support shaft 3. Thereby, the fixed-side bearing 10 is formed and attached to the step portion 3c of the support shaft 3. The fixed side bearing 10 to be formed has a circular outer shape in appearance, and has a concave portion 6 which constitutes a bearing surface on the outer surface side of the outer peripheral side, and has a thrust bearing surface 16a and a radial bearing surface 6b. Fig. 4 is an exploded perspective view of the rotary side bearing, and Fig. 5 is a perspective view showing an assembled state of the rotary side bearing. The rotary side bearing will be described with reference to Figs. 4 and 5 and in conjunction with Fig. 2; -12 - (9) (9) 1325477 The rotary side bearing 3 Ο ' is formed of a plate-shaped member having a predetermined thickness, and the lower side of the fourth figure shows 'two semi-circular divided bearing rings 3', 3 2 — A semicircular divided bearing ring 31, 32 is joined to form a circular annular rotating side bearing 30. The split bearing ring 31' 32' has a bearing surface 33, a thrust bearing surface 33a having a bottom surface, and a radial bearing surface 33b of the inner peripheral portion; and has mounting holes 3 4 ... spaced apart in the circumferential direction of the semicircle, respectively, And the connecting hole 3 5, 〇 such a divided bearing ring 3 1 , 3 2 is the same as the divided bearing ring 1 1 '] 2 of the fixed side bearing 1 ,, and is made of a lubricating material such as graphite impregnated into the sintered metal. A self-lubricating material is formed to form. The upper side of Fig. 4 shows the split connecting ring 3 6 ' 3 7 ; the divided connecting rings 3 6 and 3 7 are formed by a plate-shaped member having a predetermined thickness as described above. The split connecting ring 3 6 ' 3 7 has a connecting hole 39··. corresponding to the connecting connecting hole 35 of the divided bearing rings 3 1 and 3 2; and a mounting hole 3 corresponding to the mounting hole 34... 8. The split connecting rings 3 6 and 3 7 may be formed by a stainless steel plate or the like, or may be formed of a self-lubricating material formed by impregnating a sintered metal with a lubricating material such as graphite in the same manner as the split bearing rings 3 1 and 3 2 . . The above split bearing rings 3], 32 are arranged such that their ends abut each other 'on their lower side' to deflect 90 with respect to the split bearing ring 3 1 ' 3 2 . The phase is configured to divide the connecting rings 3 ό, 3 7 ' and overlap them up and down. The bolt-shaped bolts 4 0...' are tightened by the upper connecting ring 3 6 -13- (10) (10) 1325477 ' 3 7 connecting holes 3 9 ..., and the split bearing rings 3, 3 2 are tightened The rings 31 and 32, and 36 and 37 are combined to be integrated at the split connecting rings 36, 37'. By the above-described means, the rotary side bearing 30 shown in Fig. 5 is formed; ' In the figure, the long bolts 4 1 ... formed by the countersunk bolts are shown, and the mounting holes 34, 38 are passed from the lower side to the side. ·., the state in which the bolt shaft portion protrudes upward. As shown in Fig. 2, the above-described rotary side bearing 30 is attached to the support hole of the bottom surface 4b of the support φ hole 4a at the center portion of the rotary disk 4 disposed on the step portion 3c of the support shaft 3. The peripheral part of 4a. Mounting screw holes 4c... are formed in the peripheral portion of the support hole 4a. The means for attaching the side of the rotating side bearing 30 to the bottom surface 4b of the rotating circular plate 4 is as follows. The jack which will be described later is used in advance, and the rotating circular plate 4 is raised along the small diameter portion 3b of the support shaft 3, The upper and lower divided bearing rings 3 1 and 3 2 and the divided connecting rings 3 6 and 3 7 are butted to each other, and are arranged up and down, and then the bolts 4 0...' are inserted from above into the upper and lower divided bearing rings 3 1 ' 3 2. The split-connected lugs 36 and 37 are connected to each other and become integrated (state of Fig. 5). In this state, the 'rotating side bearing 30' becomes loosely fitted around the small-diameter portion 3b of the support shaft 3, after that. 'Making the mounting bolts 41... facing the periphery of the support hole 4a of the bottom surface 4b of the rotating circular plate 4' and screwing the bolts q... from the bottom into the mounting screw holes 4 c... and tightening, as shown in Fig. 2 The rotary side bearing 30 is attached to the bottom surface 4 b ' of the peripheral portion of the support hole 4 a of the rotating circular plate 4 . -14 - (11) (11) 1325477 By lowering the rotary disk 4, the rotary side bearing 30 is engaged with the concave portion 16 of the fixed side bearing] 0 below. The thrust bearing surface 3 3 a of the bottom surface of the bearing surface 33 of the rotary side bearing 30 abuts against the thrust bearing surface 16 a of the concave portion of the fixed side bearing 1 ;; the radial bearing surface of the inner peripheral surface 3 3 b abuts on the radial bearing surface 16 b of the concave portion 16 of the fixed-side bearing 10 . According to the configuration described above, the fixed-side bearing I 0 on the support shaft 3 side and the rotary-side bearing 30 on the side of the rotary disk 4 are engaged and contacted in the thrust direction and the radial direction, and the bearing surfaces are engaged and contacted. The bearings of both sides constitute the supported sliding φ movable bearing. This state is represented by the second figure. Further, in Fig. 2, the oil seal 45 is disposed on the outer surface of the circumferential surface of the support hole 4a of the rotary disk 4 via the clamp 44, and is disposed on the outer periphery of the bearing portion A, and has a substantially zigzag-shaped shield cylinder. 42' is attached to the bottom surface side of the rotating circular plate 4 via the flange portion 42a and the bolt 42b, and the lower end portion of the shielding cylinder 42 is brought into contact with the lower half-diameter portion 3a of the step portion 3c near the support shaft 3 via the oil seal 43. The outer circumference is sealed by φ, and the cover made of the shielding cylinder 42 prevents abrasion powder or the like due to the sliding of the bearings 1 and 30, and scatters and leaks into the chamber. Further, the above-described rotating side bearing 30 may be formed of the same material as the divided bearing ring 3 1 ' 3 2 by the divided connecting rings 3 6 and 3 7 . Therefore, even if the front and back surfaces are reversed, the bearing surface having the self-lubricating property of the sintered metal becomes the bottom surface, and the rings 31, 32, 36, and 37 have the same shape, and even if there is an erroneous assembly in which the front and back surfaces are reversed, Fig. 6 is a side view showing the disassembly operation of the bearing of the present invention, and Fig. 7 is a sectional view taken along line 7-7 of Fig. 6 . The disassembly of the bearing will be explained in accordance with these drawings. In the drawing, a base 50 that can surround the lower portion of the support shaft 3 is disposed; the base 50 is provided with support plates 51 and 51 having three radial legs 51c... and radially disposed therebetween Reinforcement ribs 52···.
將台座塊53...配設在基台50的腳片51c…上，再將千 斤頂54安裝在其上。 如箭頭（1)所示地自旋轉圓板4的底面4b，將凸緣 部42a的螺栓鬆開取下，預先將遮蔽筒42卸下。 然後’使千斤頂54…的桿55·.·的座部56..·，在從軸 承周邊部離開的位置，自下往上抵接在旋轉圓板4的支持 孔4a周邊部的底面4b，使桿55上升，而使旋轉圓板4如 箭頭（2 )所示地上升。The pedestal block 53 is disposed on the leg piece 51c of the base 50, and the jack 54 is mounted thereon. As shown by the arrow (1), the bolts of the flange portion 42a are loosened and removed by rotating the bottom surface 4b of the circular plate 4, and the shielding cylinder 42 is removed in advance. Then, the seat portion 56.. of the rod 55·. of the jack 54 is brought into contact with the bottom surface 4b of the peripheral portion of the support hole 4a of the rotating circular plate 4 from the bottom to the position away from the bearing peripheral portion. The rod 55 is raised, and the rotating circular plate 4 is raised as indicated by an arrow (2).
藉此’旋轉側軸承3 0與旋轉圓板4 —體地自固定側 軸承10上升而分離。 固定側軸承1 〇，利用取下連接螺栓2 3 ...，被接合在 分割軸承環1 ]、1 2的凸部1 4的下部凹段部1 7處的分割 連接環1 9、2 0被卸下。藉此，能夠往直徑方向外方，將 分割連接環1 9、2 〇取出。結果，分割軸承環1 1、I 2被解 除連接。 然後’利用卸下安裝螺栓2 2…，相對於支軸3的階梯 部。c ’分割軸承環n、1 2變成自由狀態’而能夠往直徑 方向加以取出。結果’分割軸承環Π、] 2 ,能夠自支軸周 -16- (13) (13)1325477 圍卸下。 旋轉圓板4如圖所示地位於上升位置，並將安裝螺栓 4 1…自旋轉側軸承3 0的下方卸下。藉此，旋轉側軸承3 〇 係以圓形環狀的狀態，自旋轉圓板4的底面4b被卸下。 - 然後，利用卸下連接螺栓40，分割連接環36、37從 ‘ 分割軸承環3 1、32被卸下’於是分割軸承環η ' 32和分 割連接環36、37兩者被分離。 藉此’分割連接環3 6、3 7 ;分割軸承環3 ]、3 2，分 φ 別地往直徑方向外方被分離，而能夠從支軸周圍卸下。 根據上述的手段’不用卸下製麴室2的頂棚，便可以 在製麴室內’將被配設在製麴室2內的旋轉圓板的軸承加 以分解’從支軸、旋轉圓板處卸下，來進行維修或更換等 〇 因此，本發明顯然能夠使軸承的分解、除去 '再組裝 作業等，變成極爲容易。 再者，就關於本發明的旋轉圓板式製麴裝置的軸承構 鲁 造而言，係將固定側、旋轉側的各分割軸承環、分割連接 環’雖然作成二分割的構件，但是也可以是三分割。 (產業上的利用可能性） 本發明的軸承構造，作爲釀造用的旋轉圓板式製麴裝 置的軸承構造是適合的。 〔發明之效果〕 -17 - (14) (14)1325477 關於申請專利範圍第丨項的發明，係在旋轉圓板式製 麴裝置中’構成：將由具備止推軸承面和徑向軸承面之可 在直徑方向分割的分割軸承環所組成的固定側軸承構件， 裝卸可能地安裝在固定支軸；並將由具備止推軸承面和徑 向軸承面之可在直徑方向分割的分割軸承環所組成的旋轉 側軸承構件’裝卸可能地安裝在圓板；使得前述固定側軸 承構件的止推軸承面和徑向軸承面與前述旋轉側軸承構件 的止推軸承面和徑向軸承面，可以滑接。 結果’能夠一邊利用軸承將旋轉側的圓板支持成可以 相對於固定側’滑順地旋轉’ 一邊以分割軸承環來構成固 定側、旋轉側的各軸承’並能夠解除與支軸或是圓板結合 而成爲一體化後的分割軸承環之結合狀態，使其往直徑方 向外方分離，利用簡單的作業便可以容易地將軸承自支軸 '圓板處加以卸下。 因此，在旋轉圓板式製麴裝置中的軸承的更換，不需 要卸下頂棚或是分解裝置構成等的大規模且麻煩的作業， 而能夠在短時間內，藉由更簡單的作業，容易地進行。 關於申請專利範圍第2項的發明，係針對申請專利範 圍第]項，由於係作成：構成固定側軸承構件的分割軸承 環’係利用與相位偏轉而重疊的分割連接環之間的接合， 來構成環狀的固定側軸承構件；構成旋轉側軸承構件的分 割軸承環，係利用與相位偏轉而重疊的分割連接環之間的 接Q ’來搆成項狀的旋轉側軸承構件；所以，除了申請專 利範圍第]項的效果以外，尙有：將分割軸承環接合而形 -18 - (15) (15)1325477 成軸承的接合、一體化變容易，接合也變確實、牢固之效 果。 關於申請專利範圍第3項的發明’係針對申請專利範 圍第2項，由於將前述分割軸承環和分割連接環，以二分 割的構件來構成，所以，除了申請專利範圍第1項和第2 項的效果以外，尙有：軸承的構成零件件數少，且環的連 接處也少，軸承構成零件亦即分割軸承環的接合容易之效 果。 關於申請專利範圍第4項的發明，係針對申請專利範 圍第1、2或3項，由於利用設置在圓板處的蓋，來覆蓋 固定側軸承構件、旋轉側軸承構件的外側，所以除了申請 專利範圍第1、2或3項的效果以外，尙有：軸承沒有露 在製麴室內，防止污染且是衛生的；又，在高溼度環境的 室內，軸承的保護上也是有利的效果。 關於申請專利範圍第5項的發明，係針對申請專利範 圍第]、2或3項，由於固定側軸承構件' 旋轉側軸承構 件’係作成在燒結金屬中浸透潤滑材之自己潤滑軸承構件 ’所以除了申請專利範圍第I、2或3項的效果以外，尙 有：在製麴裝置中，能夠得到防止污染且是衛生的軸承之 效果。 關於申請專利範圍第6項的發明，係針對申請專利範 圍第4項’由於固定側軸承構件、旋轉側軸承構件，係作 成在燒結金屬中浸透潤滑材之自己潤滑軸承構件，所以除 了申請專利範圍第4項的效杲以外，尙有：在製麴裝置中 -19 - (16) (16)1325477 ，能夠得到防止污染且是衛生的軸承之效果。 【圖式簡單說明】 第I圖係表示旋轉圓板式製麴裝置的槪要之縱剖面圖 〇 第2圖係關於本發明的軸承構造的重要部位的縱剖面 圖。 第3圖係固定側軸承的組裝狀態和分解狀態的立體圖 ，爲了說明上的方便，省略了軸的上半部的圖。 第4圖係旋轉側軸承的分解狀態的立體圖。 第5圖係旋轉側軸承的組裝狀態的立體圖。 第6圖係表示用來說明關於本發明的軸承的分解作業 的側視圖。 第7圖係第6圖的7-7線剖面圖。 第8圖係專利文獻1的第〗圖的重新揭示圖。 第9圖係專利文獻1的第2圖的重新揭示圖。 【主要元件符號說明】 1 :旋轉圓板式製麴裝置 2 :製麴室 3 :支軸 4 :旋轉圓板 1 〇 :固定側軸承構件（固定側軸承） 1】、1 2 :分割軸承環 (17)1325477 I 6 :構成軸承面的凹段部 1 6a :止推軸承面 ]6 b :徑向軸承面 1 9、2 0 :分割連接環 3 0 :旋轉側軸承構件（旋轉側軸承） 3 1、3 2 :分割軸承環 3 3 :軸承面Thereby, the "rotating side bearing 30" and the rotating circular plate 4 are integrally lifted from the fixed side bearing 10 and separated. The fixed side bearing 1 〇 is joined to the split connecting ring 1 9 , 2 0 at the lower concave portion 17 of the convex portion 14 of the split bearing ring 1 ], 1 2 by removing the connecting bolt 2 3 ... Was removed. Thereby, the divided connecting rings 19, 2 can be taken out in the radial direction. As a result, the split bearing rings 1 1 and I 2 are uncoupled. Then, the stepped portion with respect to the support shaft 3 is removed by removing the mounting bolts 2 2 . The c'-divided bearing rings n, 1 2 are in a free state' and can be taken out in the diameter direction. As a result, the 'segment bearing ring Π, 2' can be removed from the circumference of the support shaft -16- (13) (13) 1325477. The rotating circular plate 4 is located at the raised position as shown, and the mounting bolts 4 1 ... are detached from the lower side of the rotating side bearing 30. Thereby, the rotary side bearing 3 is detached from the bottom surface 4b of the rotating circular plate 4 in a circular annular shape. - Then, by removing the connecting bolt 40, the split connecting rings 36, 37 are detached from the "divided bearing rings 3 1, 32", and then the split bearing ring η ' 32 and the split connecting rings 36, 37 are separated. Thereby, the connecting rings 3 6 and 3 7 are divided, and the divided bearing rings 3 ] and 3 2 are separated from each other in the radial direction, and are detachable from the periphery of the support shaft. According to the above-described means, the bearing of the rotating circular plate disposed in the sputum chamber 2 can be disassembled in the sputum chamber without removing the ceiling of the sputum chamber 2, and is unloaded from the support shaft and the rotating circular plate. Next, maintenance, replacement, etc. are performed, and therefore, it is apparent that the present invention can make it easy to disassemble and remove the 'reassembly operation of the bearing. In addition, in the case of the bearing structure of the rotary disk type tamping apparatus of the present invention, the divided bearing rings and the divided connecting rings on the fixed side and the rotating side are formed as two-dimension members, but they may be Three divisions. (Industrial Applicability) The bearing structure of the present invention is suitable as a bearing structure for a rotary disk type squeegee for brewing. [Effects of the Invention] -17 - (14) (14) 1325477 The invention of the third aspect of the patent application is made in a rotary disc type tamping apparatus 'constitution: it is provided with a thrust bearing surface and a radial bearing surface The fixed-side bearing member composed of the split bearing ring divided in the diameter direction may be attached to the fixed support shaft; and the split bearing ring having the thrust bearing surface and the radial bearing surface which can be divided in the diameter direction The rotating side bearing member 'mounting and detaching may be attached to the circular plate; so that the thrust bearing surface and the radial bearing surface of the fixed side bearing member and the thrust bearing surface and the radial bearing surface of the aforementioned rotating side bearing member may be slidably connected. As a result, the bearing on the rotating side can be supported by the bearing so that it can be smoothly slid with respect to the fixed side, and the bearing ring can be formed by dividing the bearing ring to form the fixed side and the rotating side, and can be released from the support shaft or the circle. The plates are joined together to form a combined state of the split bearing rings, which are separated outward in the diameter direction, and the bearings can be easily removed from the support shaft 'round plate by a simple operation. Therefore, the replacement of the bearing in the rotary disk type tamping apparatus eliminates the need for large-scale and troublesome work such as removing the ceiling or the disassembling device, and can be easily performed in a short time by a simpler operation. get on. The invention of claim 2 is directed to the scope of the patent application, in which the split bearing ring constituting the fixed-side bearing member is joined by the split connecting ring that overlaps with the phase deflection. a fixed-side bearing member that constitutes an annular shape; a split-bearing bearing ring that constitutes a rotating-side bearing member is formed by a connection between the split connecting rings that overlap with the phase deflection to form a projecting rotating-side bearing member; In addition to the effects of the patent application, the effect of the joints is 184 - (15) (15) 1325477. The joining and integration of the bearings are easy, and the joining is also effective and firm. The invention of claim 3 of the patent application is based on the second item of the patent application scope, and since the divided bearing ring and the split connecting ring are configured by two-divided members, in addition to the first and second patent claims. In addition to the effects of the item, the number of components of the bearing is small, and the number of joints of the ring is small, and the joint of the bearing component, that is, the split bearing ring, is easy. In the invention of claim 4, the invention is directed to the first, second or third aspect of the patent application, and the outer side of the fixed side bearing member and the rotating side bearing member is covered by the cover provided at the disc, so In addition to the effects of items 1, 2 or 3 of the patent range, the bearings are not exposed to the chamber, preventing contamination and being hygienic; in addition, in the high humidity environment, the protection of the bearings is also advantageous. The invention of claim 5 of the scope of the patent application is directed to the scope of the patent application, item 2, 2 or 3, since the fixed-side bearing member 'rotating-side bearing member' is formed as a self-lubricating bearing member that saturates the lubricating material in the sintered metal. In addition to the effects of the first, second or third aspect of the patent application, it is possible to obtain the effect of preventing contamination and being sanitary in the tamping device. The invention of claim 6 of the patent application is directed to the fourth section of the patent application. 'Because the fixed-side bearing member and the rotating-side bearing member are made of self-lubricating bearing members that are saturated with the lubricating material in the sintered metal, the patent application scope is excluded. In addition to the effect of item 4, there are: -19 - (16) (16) 1325477 in the tamping device, which is effective in preventing contamination and being a sanitary bearing. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic longitudinal sectional view showing a rotary disk type boring apparatus. Fig. 2 is a longitudinal sectional view showing an important part of the bearing structure of the present invention. Fig. 3 is a perspective view showing an assembled state and an exploded state of the fixed side bearing, and the illustration of the upper half of the shaft is omitted for convenience of explanation. Fig. 4 is a perspective view showing an exploded state of the rotary side bearing. Fig. 5 is a perspective view showing an assembled state of the rotary side bearing. Fig. 6 is a side view showing the disassembly operation of the bearing of the present invention. Fig. 7 is a sectional view taken on line 7-7 of Fig. 6. Fig. 8 is a re-disclosure diagram of the first diagram of Patent Document 1. Fig. 9 is a re-disclosure diagram of Fig. 2 of Patent Document 1. [Explanation of main component symbols] 1 : Rotary disc type boring device 2 : 麴 chamber 3 : Support shaft 4 : Rotating disc 1 〇 : Fixed side bearing member (fixed side bearing) 1], 1 2 : Split bearing ring ( 17) 1325477 I 6 : concave portion constituting the bearing surface 1 6a : thrust bearing surface ] 6 b : radial bearing surface 1 9 , 2 0 : split connecting ring 3 0 : rotating side bearing member (rotating side bearing) 3 1, 3 2: split bearing ring 3 3 : bearing surface
33a:止推軸承面 33b:徑向軸承面 3 6、3 7 :分割連接環 42 :蓋33a: thrust bearing surface 33b: radial bearing surface 3 6、3 7 : split connecting ring 42 : cover
-21 --twenty one -