JPH0261649B2 - - Google Patents
Info
- Publication number
- JPH0261649B2 JPH0261649B2 JP58070763A JP7076383A JPH0261649B2 JP H0261649 B2 JPH0261649 B2 JP H0261649B2 JP 58070763 A JP58070763 A JP 58070763A JP 7076383 A JP7076383 A JP 7076383A JP H0261649 B2 JPH0261649 B2 JP H0261649B2
- Authority
- JP
- Japan
- Prior art keywords
- lubricant
- bearing
- bearing case
- lubricant supply
- hole
- 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.)
- Expired - Lifetime
Links
- 239000000314 lubricant Substances 0.000 claims description 80
- 238000004891 communication Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims 1
- 239000004519 grease Substances 0.000 description 8
- 210000003739 neck Anatomy 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/385—Bearing cup; Bearing construction; Bearing seal; Mounting of bearing on the intermediate member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/06—Lubrication details not provided for in group F16D13/74
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
【発明の詳細な説明】
この発明は、ユニバーサルジヨイントの潤滑剤
供給装置、殊に圧延機用ロール等の大型ドライブ
シヤフトに使用されるユニバーサルジヨイントの
潤滑剤供給装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lubricant supply device for a universal joint, and particularly to a lubricant supply device for a universal joint used in a large drive shaft such as a roll for a rolling mill.
従来のこの種のユニバーサルジヨイントは、十
字軸を軸支する軸受ケースの外面にグリスカツプ
等の潤滑剤供給部が突設され、従つてドライブシ
ヤフトの停止時に各々の軸受ケースにグリースを
供給する方法が採られている。 Conventional universal joints of this type have a lubricant supply part such as a grease cup protruding from the outer surface of the bearing case that supports the cross shaft, and therefore grease is supplied to each bearing case when the drive shaft is stopped. is taken.
またこの種のユニバーサルジヨイントは、その
周辺にカバー等の障害物が配置されていることが
多く、従つてグリース供給時に、いちいち障害物
を取り外すとか、ドライブシヤフトを圧延ロール
から取り外し、障害物を避ける位置に持つてきて
グリース補給を行う等の面倒がある。仮に障害物
がない場合でも、１つのユニバーサルジヨイント
においては４個の軸受ケースがあり、従つて軸受
ケースの各個毎にグリース補給を行う面倒があつ
て、そのメンテナンス時間及び工数が大であると
いう欠点があつた。 In addition, this type of universal joint often has an obstruction such as a cover placed around it, so when supplying grease, it is necessary to remove the obstruction each time, or remove the drive shaft from the rolling roll and remove the obstruction. It is troublesome to bring it to a position to avoid and replenish the grease. Even if there are no obstacles, there are four bearing cases in one universal joint, and it is a hassle to replenish each bearing case with grease, which requires a lot of maintenance time and man-hours. There were flaws.
さらに軸受ケースの各々にグリスカツプを設け
ることは、それだけユニバーサルジヨイントのス
イングのスイング径が大きくなり、ドライブシヤ
フトの設置スペースが増大する。 Furthermore, providing a grease cup in each bearing case increases the swing diameter of the universal joint, increasing the installation space for the drive shaft.
この発明は、以上のようなユニバーサルジヨイ
ントにおいて、潤滑剤供給装置の設置スペースを
ドライブシヤフト内に設定し、かつ潤滑剤の供給
を簡易ならしめ、さらに機械的な自動供給を可能
ならしめることを目的とするものである。 The present invention aims to set the installation space for the lubricant supply device within the drive shaft in the above-mentioned universal joint, simplify the supply of lubricant, and further enable automatic mechanical supply. This is the purpose.
この発明は、ヨーク又は軸の軸方向端面に装着
固定される軸受ケースの少なくとも１つに、それ
がヨーク又は軸に装着される端面から軸受ケース
の内面に貫通する潤滑剤給送孔を穿設し、該孔
を、ヨーク又は軸の適所に設けた潤滑剤供給部か
らの潤滑剤供給孔に連通させ、潤滑剤給送孔が穿
設された前記軸受ケースの内部と、潤滑剤給送孔
を持たない他の軸受ケースの内部とを、十字軸に
穿設した連通孔を介して連通させ、潤滑剤給送孔
を穿設した軸受ケースのスカート部と、それが軸
支するトラニオンの頚部との間を密封するオイル
シールを、軸受の内圧の変化（上昇）によるも、
潤滑剤を含む軸受の内部流体の漏出を阻止する向
きに装着し、潤滑剤給送孔を持たない軸受ケース
のスカート部と、それが軸支するトラニオンの頚
部との間を密封するオイルシールを、軸受の内圧
がある値以上に高くあると前記内部流体の漏出を
許容する向きに装着し、潤滑剤給送孔から潤滑剤
が供給されたとき、該給送孔を有する軸受ケース
内部を経て該給送孔を持たない軸受ケース内部に
も潤滑剤を供給し、両軸受ケース内の老化した潤
滑剤を、潤滑剤給送孔を持たない軸受ケース側の
オイルシール部から排出するようにしたことを特
徴とするものである。 This invention provides a lubricant feeding hole that penetrates into the inner surface of the bearing case from the end surface where the bearing case is attached to the yoke or the shaft, in at least one of the bearing cases that is attached and fixed to the axial end surface of the yoke or the shaft. The hole is communicated with a lubricant supply hole from a lubricant supply section provided at an appropriate position of the yoke or shaft, and the inside of the bearing case in which the lubricant feed hole is bored and the lubricant feed hole are connected. The skirt part of the bearing case with the lubricant supply hole and the neck of the trunnion that is supported by the skirt part of the bearing case with the lubricant supply hole are communicated with the inside of the other bearing case without the bearing case through the communication hole drilled in the cross shaft. Due to changes (increases) in the internal pressure of the bearing, the oil seal sealing between the
The oil seal is installed in a direction that prevents leakage of the internal fluid of the bearing containing lubricant, and seals between the skirt of the bearing case, which does not have a lubricant supply hole, and the neck of the trunnion that it supports. , the bearing is installed in a direction that allows leakage of the internal fluid when the internal pressure of the bearing is higher than a certain value, and when lubricant is supplied from the lubricant feed hole, it passes through the inside of the bearing case having the feed hole. The lubricant is also supplied to the inside of the bearing case that does not have the feed hole, and the aged lubricant in both bearing cases is discharged from the oil seal part on the side of the bearing case that does not have the lubricant feed hole. It is characterized by this.
以下この発明を図示の実施例について説明す
る。 The present invention will be described below with reference to the illustrated embodiments.
第１図は圧延機用ドライブシヤフトの一例を示
す図であつて、一対のユニバーサルジヨイント
１，２と、ユニバーサルジヨイント２の一方のヨ
ーク３にスプライン嵌合等により軸方向に摺動可
能に嵌合し、ユニバーサルジヨイント１のヨーク
４に同体的に装着した軸体部５、ユニバーサルジ
ヨイント２の他方のヨーク６にスプライン嵌合等
により軸方向に摺動可能に嵌合し、圧延ロールの
ロールネツクに着脱されるカツプリング７、及び
ユニバーサルジヨイント１の図示しないヨークに
同体的に装着し、全速機の出力軸に嵌着される図
示しないカツプリングとからなる。 FIG. 1 is a diagram showing an example of a drive shaft for a rolling mill, in which a pair of universal joints 1 and 2 and a yoke 3 of one of the universal joints 2 are fitted with a spline or the like to be slidable in the axial direction. The shaft part 5 is fitted integrally with the yoke 4 of the universal joint 1, and the other yoke 6 of the universal joint 2 is fitted so as to be slidable in the axial direction by spline fitting or the like. It consists of a coupling 7 that is attached to and detached from the roll neck of the universal joint 1, and a coupling not shown that is integrally attached to the yoke (not shown) of the universal joint 1 and fitted to the output shaft of the full-speed machine.
ユニバーサルジヨイント２は、ヨーク６（軸で
もよい）の軸方向端面の直径線上にボルト８等で
装着固定した一対の軸受ケース１０と、ヨーク３
の軸方向端面の直径線上にボルト９等で装着固定
した一対の軸受ケース１１と、第２図、第３図に
示すように、針状ころ１２等を介して軸受ケース
１０，１１にトラニオン１３，１４を軸支した十
字軸１５とからなり、ヨーク３，６を屈曲可能に
かつ同体回転するように連結する。各軸受ケース
１０，１１は、それぞれヨーク６，３に装着され
る端面にキー１６を突設し、各ヨーク６，３端面
のキー溝１７に嵌合する。ユニバーサルジヨイン
ト１についても前記と同様の構成と機能を有する
が、簡単のためにユニバーサルジヨイント２に以
下の潤滑剤供給装置を設けた場合について説明す
る。なおユニバーサルジヨイント１に同様の潤滑
剤供給装置を設けうることはいうまでもない。 The universal joint 2 consists of a pair of bearing cases 10 that are mounted and fixed on the diameter line of the axial end surface of a yoke 6 (which may also be a shaft) with bolts 8, etc., and a yoke 3.
As shown in FIGS. 2 and 3, a trunnion 13 is connected to the bearing cases 10 and 11 via needle rollers 12, etc., as shown in FIGS. 2 and 3. , 14, and connects the yokes 3 and 6 so that they can bend and rotate together. Each of the bearing cases 10 and 11 has a key 16 protruding from the end surface that is attached to the yokes 6 and 3, respectively, and is fitted into a key groove 17 on the end surface of each yoke 6 and 3. The universal joint 1 also has the same configuration and function as described above, but for the sake of simplicity, a case will be described in which the universal joint 2 is provided with the following lubricant supply device. It goes without saying that the universal joint 1 can be provided with a similar lubricant supply device.
以上において、ヨーク６（又は軸）の軸方向端
面に装着固定した軸受ケース１０に、ヨーク６へ
の取付面側、すなわちキー１６のヨーク６側の側
面から軸受ケース１０の内面（針状ころの転走
面）に貫通する潤滑剤給送孔１８を穿設し、連結
用管状パツキング１９を介して、ヨーク６（又は
軸）の適所に設けた潤滑剤供給部２０からの潤滑
剤供給孔２１に連通させる。 In the above, the inner surface of the bearing case 10 (needle roller A lubricant supply hole 18 penetrating through the rolling surface) is provided, and a lubricant supply hole 21 is provided from a lubricant supply section 20 provided at an appropriate location on the yoke 6 (or shaft) via a connecting tubular packing 19. communicate with.
潤滑剤供給部２０は、例えば前記のドライブシ
ヤフトの場合、ロール交換等のために該シヤフト
を支持するためのレストの把持部を利用して設け
る。すなわちヨーク６の軸部に、一対の円錐ころ
軸受２２を並設した複数ころがり軸受部を設け
て、その外輪に筒体２３からなるレスト把持部を
ヨーク６に対して相対回転可能に取付け、一対の
円錐ころ軸受２２の間に形成した空間を、潤滑剤
溜り２４として、筒体２３に半径方向の潤滑剤供
給口２５を設ける。該供給口２５には、自動潤滑
剤供給装置（図示せず）と連結するカプラー（第
５図参照）を取付けるとか、或はグリースカツプ
等の供給装置を取付けることができる。潤滑剤溜
り２４は、一対の円錐ころ軸受２２の内輪間座２
６に穿設した半径方向の孔２７及びヨーク６に周
設した凹溝２８を介して潤滑剤供給孔２１に連通
させる。 For example, in the case of the above-mentioned drive shaft, the lubricant supply section 20 is provided using a grip section of a rest for supporting the shaft for roll replacement or the like. That is, a plurality of rolling bearings in which a pair of tapered roller bearings 22 are arranged side by side is provided on the shaft portion of the yoke 6, and a rest gripping portion made of a cylindrical body 23 is attached to the outer ring of the yoke 6 so as to be rotatable relative to the yoke 6. The space formed between the tapered roller bearings 22 is used as a lubricant reservoir 24, and a radial lubricant supply port 25 is provided in the cylindrical body 23. A coupler (see FIG. 5) for connecting to an automatic lubricant supply device (not shown) or a supply device such as a grease cup can be attached to the supply port 25. The lubricant reservoir 24 is located between the inner ring spacer 2 of the pair of tapered roller bearings 22.
The lubricant supply hole 21 is communicated with the lubricant supply hole 21 through a radial hole 27 bored in the yoke 6 and a groove 28 provided around the yoke 6.
潤滑剤給送孔１８を穿設する軸受ケース１０
は、図示の如くヨーク６に装着固定したものの少
なくとも１つとし、（第２図、第３図は一対の軸
受ケース１０の双方に潤滑剤給送孔１８を穿設し
てある。）他の軸受ケース１１には潤滑剤給送孔
を設けない。 Bearing case 10 in which lubricant feed hole 18 is bored
is at least one of those fixed to the yoke 6 as shown in the figure. The bearing case 11 is not provided with a lubricant feeding hole.
潤滑剤給送孔１８を穿設した軸受ケース１０の
内部と、潤滑剤給送孔を持たない軸受ケース１１
の内部とを、十字軸１５に穿設した連通孔２９に
より連通させる。連通孔２９は、トラニオン１
３，１４の各軸中心を貫通させ、十字軸１５の中
心でクロスさせることにより、トラニオン１３，
１４の各軸端面中心に開口させ、第２図に示すよ
うに一対の軸受ケース１０の双方に潤滑剤給送孔
１８を穿設した場合、同図及び第３図に示すよう
に、連通孔２９がクロスする位置に仕切り板３０
を設けて、潤滑剤の供給経路を仕分けする。もし
一対の軸受ケース１０の一方にのみ潤滑剤給送孔
１８を設ける場合には前記仕切り板は不要であ
る。 Inside of bearing case 10 with lubricant feed hole 18 and bearing case 11 without lubricant feed hole
The interior of the cross shaft 15 is communicated with the inside thereof through a communication hole 29 bored in the cross shaft 15. The communication hole 29 is connected to the trunnion 1
The trunnions 13,
When a lubricant feeding hole 18 is opened at the center of each shaft end face of the bearing case 14 and is bored in both of the pair of bearing cases 10 as shown in FIG. Partition plate 30 at the position where 29 crosses
to separate the lubricant supply route. If the lubricant feed hole 18 is provided only in one of the pair of bearing cases 10, the partition plate is not necessary.
各軸受ケース１０，１１のスカート部と、トラ
ニオン１３，１４の頚部との間にはオイルシール
３１，３２等の密封部材を装着するが、潤滑剤給
送孔１８を穿設した軸受ケース１０側に装着した
オイルシール３１は、第４図にその詳細を示すよ
うに、そのシールリツプ部３１ａを軸受の内方に
向けて突出するように配置し、潤滑剤の供給等に
よつて軸受の内圧が上昇するようなことがあつて
も、潤滑剤を含む軸受内部の流体が軸受該に漏出
することのない構成とする。 A sealing member such as an oil seal 31, 32 is installed between the skirt portion of each bearing case 10, 11 and the neck of the trunnion 13, 14, but the side of the bearing case 10 where the lubricant feed hole 18 is bored As shown in detail in Fig. 4, the oil seal 31 installed in the bearing is arranged so that its seal lip portion 31a protrudes inward of the bearing, and the internal pressure of the bearing is reduced by supplying lubricant or the like. The structure is such that even if the bearing rises, the fluid inside the bearing, including lubricant, will not leak into the bearing.
一方、潤滑剤給送孔を持たない軸受ケース１１
側に装着したオイルシール３２は、同図に示す如
く、そのシールリツプ部３２ａを軸受の外方に向
けて突出するように配置し、潤滑剤の供給等によ
り軸受の内圧がある値以上に上昇すると、軸受内
の老化した潤滑剤等の内部流体を図中矢符の如く
軸受外に漏出（排出）しうる構成とする。 On the other hand, bearing case 11 that does not have a lubricant feeding hole
As shown in the figure, the oil seal 32 attached to the side is arranged so that its seal lip 32a protrudes outward from the bearing. The structure is such that internal fluid such as aged lubricant inside the bearing can leak (discharge) out of the bearing as shown by the arrow in the figure.
なお図示のオイルシール３１，３２は、いずれ
もトラニオン１３，１４の各頚部に嵌着した断面
がＬ字形の金属又は硬質プラスチツク製のスリン
ガ３３にそのシールリツプを摺設する構成で示し
てあるが、これは図示のものに限定する必要はな
く、要するにオイルシール或は密封部材が前記の
機能を有する構成であればよく、また連通孔２９
は、必ずしもトラニオンの中心軸線上に位置しな
くてもよい。３４はトラニオン１３，１４の各端
面と、軸受ケース１０，１１の各内底面との間に
介装したスラストリングである。 The illustrated oil seals 31 and 32 are both shown in a configuration in which their seal lips are slid onto a slinger 33 made of metal or hard plastic and having an L-shaped cross section and fitted onto the respective necks of the trunnions 13 and 14. There is no need to limit this to what is shown in the drawings; in short, it is sufficient that the oil seal or sealing member has the above-mentioned function, and the communication hole 29
does not necessarily have to be located on the central axis of the trunnion. 34 is a thrust ring interposed between each end surface of the trunnions 13, 14 and each inner bottom surface of the bearing cases 10, 11.
第５図は潤滑剤供給部を、ユニバーサルジヨイ
ント２のヨーク３側に設けた場合を示す図であつ
て、第１図〜第４図と同一の機能を持つ部分には
同一の符号を付してある。３５は自動潤滑剤供給
装置に接続するためのカプラーである。 FIG. 5 is a diagram showing a case where the lubricant supply section is provided on the yoke 3 side of the universal joint 2, and parts having the same functions as in FIGS. 1 to 4 are given the same reference numerals. It has been done. 35 is a coupler for connecting to an automatic lubricant supply device.
この発明は以上のような構成であつて、潤滑剤
溜り２４にグリース等の潤滑剤を圧入すると、潤
滑剤供給孔２１、潤滑剤給送孔１８を介して先ず
軸受ケース１０の内部に潤滑剤が送給される。軸
受ケース１０のスカート部とトラニオン１３の頚
部との間を密封する密封部材は、既述のように潤
滑剤を含む軸受内部流体の軸受外への漏出を阻止
するから、軸受ケース１０の内圧が高くなる。 The present invention has the above-described configuration, and when a lubricant such as grease is pressurized into the lubricant reservoir 24, the lubricant is first introduced into the bearing case 10 through the lubricant supply hole 21 and the lubricant feed hole 18. will be sent. The sealing member that seals between the skirt of the bearing case 10 and the neck of the trunnion 13 prevents the internal fluid containing the lubricant from leaking out of the bearing, so that the internal pressure of the bearing case 10 is reduced. It gets expensive.
このように軸受ケース１０の内圧が高くなる
と、該ケース１０内の潤滑剤は、トラニオン１３
の端面とスラストリング３４、及び軸受ケース１
０の内底面間に形成される隙間を経て連通孔２９
に入り、仕切り板３０で流動方向を規制され、そ
してトラニオン１４の端面、スラストリング３
４、及び軸受ケース１１の内底面間の隙間を経由
し、軸受ケース１１内に供給される。軸受ケース
１１のスカート部とトラニオン１４の頚部との間
を密封する密封部材は、軸受ケース１１の内圧が
ある値以上になると、老化した潤滑剤を軸受外に
排出する。 When the internal pressure of the bearing case 10 increases in this way, the lubricant inside the case 10 is removed from the trunnion 13.
end face, thrust ring 34, and bearing case 1
0 through the gap formed between the inner bottom surfaces of the communication hole 29
The flow direction is regulated by the partition plate 30, and the end face of the trunnion 14, the thrust ring 3
4 and the inner bottom surface of the bearing case 11, and is supplied into the bearing case 11. A sealing member that seals between the skirt portion of the bearing case 11 and the neck portion of the trunnion 14 discharges aged lubricant to the outside of the bearing when the internal pressure of the bearing case 11 exceeds a certain value.
この発明は以上のように、各軸受ケースへの潤
滑剤の供給をより確実にし、老化した潤滑剤の排
出も容易となる。 As described above, the present invention makes it possible to more reliably supply lubricant to each bearing case, and to facilitate the discharge of aged lubricant.
第１図は実施例の全体構造を示す半部縦断面
図、第２図は実施例の要部を示す拡大縦断面図、
第３図は同横断面図、第４図はさらにその一部を
拡大して示す図、第５図は他の実施例の全体構造
を示す半部縦断面図である。
１，２……ユニバーサルジヨイント、３，４，
６……ヨーク、１０，１１……軸受ケース、１
３，１４……トラニオン、１５……十字軸、１８
……潤滑剤給送孔、２０……潤滑剤供給部、２１
……潤滑剤供給孔、２３……円錐ころ軸受（ころ
がり軸受）、２５……潤滑剤供給口、２９……連
通孔、３０……仕切り板、３１，３２……オイル
シール、３３……スリンガ、３５……カプラー。
FIG. 1 is a half-part longitudinal sectional view showing the overall structure of the embodiment, FIG. 2 is an enlarged longitudinal sectional view showing the main parts of the embodiment,
FIG. 3 is a cross-sectional view of the same, FIG. 4 is a partially enlarged view, and FIG. 5 is a half-part vertical cross-sectional view showing the overall structure of another embodiment. 1, 2...Universal joint, 3, 4,
6... Yoke, 10, 11... Bearing case, 1
3, 14...Trunion, 15...Cross shaft, 18
...Lubricant supply hole, 20 ...Lubricant supply section, 21
... Lubricant supply hole, 23 ... Tapered roller bearing (rolling bearing), 25 ... Lubricant supply port, 29 ... Communication hole, 30 ... Partition plate, 31, 32 ... Oil seal, 33 ... Slinger , 35...Coupler.
Claims (1)
ニオン部を軸支する軸受ケースを装着固定したユ
ニバーサルジヨイントにおいて、少なくとも１つ
の軸受ケースに、ヨーク又は軸への取付面側から
軸受ケース内面に貫通する潤滑剤供給送孔を穿設
し、ヨーク又は軸の適所に設けた潤滑剤供給部か
らの潤滑剤供給孔を軸受ケースの潤滑剤給送孔に
連通させ、潤滑剤給送孔を穿設した軸受ケースの
内部と、潤滑剤給送孔を持たない少なくとも１つ
の軸受ケースの内部とを、十字軸に穿設した連通
孔を介して連通させ、潤滑剤給送孔を穿設した軸
受ケースのスカート部と該ケースが軸支するトラ
ニオンの頚部との間を密封する密封部材を、軸受
の内圧の変化によるも潤滑剤を含む軸受の内部流
体の漏出を阻止するように構成し、潤滑剤給送孔
を持たない軸受ケースのスカート部と該ケースが
軸支するトラニオンの頚部との間を密封する密封
部材を、軸受の内圧がある値以上に高くなると前
記内部流体の漏出を許容するように構成したこと
を特徴とするユニバーサルジヨイントの潤滑剤供
給装置。 ２ 前記密封部材がオイルシールであつて、潤滑
剤給送孔を穿設した軸受ケース側のオイルシール
を、そのシールリツプ部を軸受の内方に向かつて
突出させ、潤滑剤給送孔を持たない軸受ケース側
のオイルシールを、そのシールリツプ部を軸受の
外方に向かつて突出させる配置でそれぞれ装着し
た特許請求の範囲１記載のユニバーサルジヨイン
トの潤滑剤供給装置。 ３ 十字軸に穿設する連通孔を、トラニオンの中
心軸線上に設け、トラニオンの端面に開口させた
特許請求の範囲１又は２記載のユニバーサルジヨ
イントの潤滑剤供給装置。 ４ 潤滑剤供給部を軸受ケース及び十字軸を介し
て連結される一対のヨーク又は軸のいずれか一方
のヨーク又は軸上に設け、該ヨーク又は軸に装着
する一対の軸受ケースの双方に潤滑剤給送孔を穿
設してその双方に潤滑剤供給孔を連通させ、該軸
受ケースを介して他方のヨーク又は軸に装着され
た軸受ケース内部に潤滑剤を供給すべくした特許
請求の範囲１から３までのいずれか１つに記載の
ユニバーサルジヨイントの潤滑剤供給装置。 ５ 十字軸のトラニオン軸線方向に貫設して十字
軸の中心部でクロスする連通孔を、該クロス部に
おいて２つの潤滑剤供給経路に仕切つた特許請求
の範囲４記載のユニバーサルジヨイントの潤滑剤
供給装置。[Claims] 1. In a universal joint in which a bearing case that pivotally supports a trunnion portion of a cross shaft is attached and fixed to an axial end face of a yoke or a shaft, at least one bearing case has a mounting surface to the yoke or shaft. A lubricant supply hole is drilled through the inner surface of the bearing case from the side, and the lubricant supply hole from the lubricant supply part provided at an appropriate location on the yoke or shaft is communicated with the lubricant supply hole in the bearing case, and lubrication is The inside of the bearing case with the lubricant feed hole and the inside of at least one bearing case without the lubricant feed hole are communicated through the communication hole drilled in the cross shaft, and the lubricant is fed. A sealing member that seals between a skirt portion of a bearing case having a hole and a neck of a trunnion supported by the case is used to prevent leakage of the internal fluid of the bearing including lubricant even when the internal pressure of the bearing changes. When the internal pressure of the bearing rises above a certain value, A universal joint lubricant supply device characterized by being configured to allow fluid leakage. 2. The sealing member is an oil seal, and the oil seal on the bearing case side having a lubricant feed hole is made to protrude with its seal lip toward the inside of the bearing, and does not have a lubricant feed hole. 2. A lubricant supply device for a universal joint according to claim 1, wherein the oil seals on the bearing case side are installed in such a manner that the seal lip portions of the oil seals protrude toward the outside of the bearing. 3. The lubricant supply device for a universal joint according to claim 1 or 2, wherein the communication hole drilled in the cross shaft is provided on the central axis of the trunnion and opened at the end face of the trunnion. 4. A lubricant supply section is provided on one of the yokes or shafts of a pair of yokes or shafts connected via a bearing case and a cross shaft, and lubricant is supplied to both of the pair of bearing cases attached to the yokes or shafts. Claim 1: A lubricant supply hole is provided in both of the lubricant supply holes, and the lubricant is supplied through the bearing case to the inside of the bearing case attached to the other yoke or shaft. A lubricant supply device for a universal joint according to any one of items 3 to 3. 5. The lubricant for a universal joint according to claim 4, wherein the communication holes extending in the axial direction of the trunnion of the cross shaft and crossing at the center of the cross shaft are partitioned into two lubricant supply paths at the crossing portion. Feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58070763A JPS59194133A (en) | 1983-04-20 | 1983-04-20 | Lubricant supply device for universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58070763A JPS59194133A (en) | 1983-04-20 | 1983-04-20 | Lubricant supply device for universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59194133A JPS59194133A (en) | 1984-11-02 |
| JPH0261649B2 true JPH0261649B2 (en) | 1990-12-20 |
Family
ID=13440870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58070763A Granted JPS59194133A (en) | 1983-04-20 | 1983-04-20 | Lubricant supply device for universal joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194133A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627861Y2 (en) * | 1986-12-24 | 1994-07-27 | 光洋精工株式会社 | Automatic greasing structure in rolling coupler for rolling mill |
| JPH01275918A (en) * | 1988-04-27 | 1989-11-06 | Hitachi Ltd | Gear coupling |
| JPH02114227U (en) * | 1989-02-28 | 1990-09-12 | ||
| US6102805A (en) * | 1995-02-21 | 2000-08-15 | Driveline Technologies, Inc. | Universal joint lubrication system |
| US5868622A (en) * | 1995-02-21 | 1999-02-09 | The Zeller Corporation | Universal joint lubrication system |
| JP5834344B2 (en) * | 2012-03-19 | 2015-12-16 | 島津メクテム株式会社 | Lubricating oil supply device |
| DE102017122107A1 (en) * | 2017-09-25 | 2019-03-28 | Voith Patent Gmbh | Method and device for lubricating a universal joint |
| JP7063496B2 (en) * | 2020-10-08 | 2022-05-09 | トン－ユイ ユニバーシティー インダストリー アカデミック コーオペレーション ファウンデーション | Lubricating oil supply device and universal joint with it |
-
1983
- 1983-04-20 JP JP58070763A patent/JPS59194133A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59194133A (en) | 1984-11-02 |
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