JPS6258060A - Sealing device for rotor prime mover - Google Patents
Sealing device for rotor prime moverInfo
- Publication number
- JPS6258060A JPS6258060A JP20936686A JP20936686A JPS6258060A JP S6258060 A JPS6258060 A JP S6258060A JP 20936686 A JP20936686 A JP 20936686A JP 20936686 A JP20936686 A JP 20936686A JP S6258060 A JPS6258060 A JP S6258060A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- sealing
- prime mover
- sealing device
- sealing ring
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Devices (AREA)
- Hydraulic Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、加圧［ｉｖ駆動型回転翼原動機の原動機軸と
原動機カバーとの間の密封面の凹封装置に圓するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a concave sealing device for a sealing surface between a motor shaft and a motor cover of a pressurized [IV-driven rotary blade motor].
（従来技術と問題点〕
西ドイツ特許公告第１３０３５８５号明細書によって公
知の油圧式回転復原ｗＪ機の圧力室密封装置においては
、バネによって密封面方向に予張力をかけられた三角形
の加圧リングをもって圧力室が密封される。この密封原
理は、密封リングを部分的に密封面から持ち上げるにあ
る。(Prior Art and Problems) In a pressure chamber sealing device for a hydraulic rotary righting machine known from West German Patent Publication No. 1303585, a triangular pressure ring pretensioned in the direction of the sealing surface by a spring is used. The pressure chamber is sealed, the principle of which is to partially lift the sealing ring above the sealing surface.
この構造には次のｊ；うな欠点がある。圧力間隙におＩ
プる流れによって、流れ侵食を生じまたこの圧力間隙中
に加圧媒質と共に異物が進入し、これが摩耗の増大、亀
裂形成、漏れの増大、同時に摩擦抵抗の増大、従って作
動効率の低下を生じる。This structure has the following drawbacks. I in the pressure gap
The downward flow causes flow erosion and the ingress of foreign matter together with the pressurized medium into this pressure gap, which leads to increased wear, crack formation, increased leakage and at the same time increased frictional resistance and thus reduced operating efficiency.
他の欠点は、密封リングの案内長さが短く、その結果、
加圧リングの閉塞と捻じれとを生じる事にある。Another disadvantage is that the guiding length of the sealing ring is short, resulting in
This results in blockage and twisting of the pressure ring.
さらに回転翼原動機は多数の密封面を有するのでコスト
のかかる仕上げ作業を必要とする。Additionally, rotary blade motors have a large number of sealing surfaces, which require costly finishing operations.
本発明の目的は、密封間隙中への加圧媒質と異物片の進
入を防止する回転翼原動機のｆｆ５単確実な密封を成す
にある。SUMMARY OF THE INVENTION The object of the present invention is to provide a simple ff5 seal for a rotary blade motor that prevents the pressurized medium and foreign particles from entering the sealing gap.
本発明の基本的課題は、密封面区域における流れ侵食、
キャビテーションおよび異物による摩耗の増大を防止す
るように回転翼原動機を密封するにある。The basic problem of the invention is to prevent flow erosion in the area of the sealing surface.
The goal is to seal the rotary blade prime mover to prevent increased wear due to cavitation and foreign matter.
原！ｌＪ機軸と原動機カバーとの間の軸方向密封面に対
して予圧密封リングを当接させた加圧媒質駆動型回転翼
原動機の密封装置において、それぞれ原動機軸に協えら
れた原動機軸ショルダと原動機カバーの相互に直角な密
封面の間に、粘弾性要素によって予圧され、加圧媒質に
よって移動させられ、加圧媒質の作動圧より大なる面圧
を密封リングと密封面との間に発生するころ軸受によっ
て常に圧着される密封リングが配備されることによって
前記の課題が解決される。原動機カバーの密封面に当接
する放射方向密封リング側面に環状グループを備える。original! lJ In a sealing device for a pressurized medium-driven rotary blade prime mover in which a preload sealing ring is brought into contact with the axial sealing surface between the machine shaft and the prime mover cover, the prime mover shaft shoulder and the prime mover are aligned with the prime mover shaft, respectively. between the mutually perpendicular sealing surfaces of the cover, prestressed by the viscoelastic element and displaced by the pressurized medium, generating a surface pressure between the sealing ring and the sealing surface that is greater than the operating pressure of the pressurized medium; This problem is solved by providing a sealing ring that is constantly pressed against the roller bearing. An annular group is provided on the side of the radial sealing ring that abuts the sealing surface of the prime mover cover.
密封リングは金属または非金属すべり素材から成る。The sealing ring is made of metallic or non-metallic sliding material.
原動機軸に備えられたショルダはその軸方向密封面にお
いてくぼみを備える。The shoulder provided on the prime mover shaft is provided with a recess in its axial sealing surface.
ころ軸受の案内リングは密封リングを受けるための斜面
を有し、またころ軸受の案内リングは三角形断面の介在
リングを受けるための直角断面くぼみを有し、前記介在
リングの斜面が密封リングに当接されている。The guide ring of the roller bearing has an inclined surface for receiving the sealing ring, and the guide ring of the roller bearing has a recess of right-angled section for receiving the intervening ring of triangular cross section, and the inclined surface of said intervening ring abuts the sealing ring. being touched.
粘弾性要素はＯリングとして構成されている。The viscoelastic element is configured as an O-ring.
密封リングは、担体リングと、その側面から突出したス
リップ・リングとから成る。The sealing ring consists of a carrier ring and a slip ring projecting from its side.
以下、本発明を図面に示ず実施例について詳細に説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments not shown in the drawings.
第１図は回転翼原動機の縦断面図であって、この場合、
軸ショルダ１．１を有する原動機軸１の上に回転翼２が
配置され、これらの回転１２は圧力室３によって相互に
分離されている。圧力室３は、加圧媒質３．２の導入溝
３．１を備え、この導入溝は、回転翼２と圧力室３を包
囲するハウジングリング４の中に接続されている。回転
翼２、圧力室３およびハウジングリング４は、側面に配
置された原動機カバー５と連結板６とによって覆われて
いる。原動機カバー５は、その内部に軸方向移動自在に
配置されたころ軸受７によって原動機軸１上に軸支され
ている。ころ軸受７のそれぞれの外側側面７．１は加圧
導溝８を通して加圧媒質３．２の作用を受ける。この加
圧媒質は、図示されていない公知の弁制御装置を介して
作動圧に接続されている。ころ軸受７の側面７．１と原
動機カバー５との間に、外向き密封のため、またころ軸
受７の反対側の側面７．２と原動機軸１のショルダ１．
１との間に配置された密封リング９の予圧のために、Ｏ
リング１０．１として構成された粘弾性要素１０が挿入
されてい、る。密封リング９は付図２〜４において拡大
図示されている。FIG. 1 is a longitudinal sectional view of a rotary blade prime mover, in this case,
Rotor blades 2 are arranged on a prime mover shaft 1 with a shaft shoulder 1.1, their rotations 12 being separated from each other by pressure chambers 3. The pressure chamber 3 is provided with an inlet groove 3.1 for the pressurized medium 3.2, which is connected into a housing ring 4 surrounding the rotor blade 2 and the pressure chamber 3. The rotor 2, the pressure chamber 3, and the housing ring 4 are covered by a motor cover 5 and a connecting plate 6 arranged on the side. The prime mover cover 5 is pivotally supported on the prime mover shaft 1 by a roller bearing 7 disposed inside thereof so as to be freely movable in the axial direction. Each outer side surface 7.1 of the roller bearing 7 is acted upon by a pressurizing medium 3.2 through a pressurizing channel 8. This pressurized medium is connected to the operating pressure via a known valve control device (not shown). Between the side surface 7.1 of the roller bearing 7 and the prime mover cover 5 there is a seal between the side surface 7.2 of the roller bearing 7 and the shoulder 1.2 of the prime mover shaft 1 for outward sealing.
Due to the preload of the sealing ring 9 placed between O
A viscoelastic element 10 configured as a ring 10.1 is inserted. The sealing ring 9 is shown enlarged in FIGS. 2-4.
放射方向外向ぎ密封は密封リング１１によって引ぎ受け
られ、この密封リング１１は原８機カバー５の中に挿入
され、ハウジングリング４に対して両側から当接してい
る。導入溝３．１と加圧導ｉＭ ８はシール１２によっ
て外向きに密封されている。The radially outward sealing is taken up by a sealing ring 11 which is inserted into the original cover 5 and bears against the housing ring 4 on both sides. The inlet groove 3.1 and the pressure conductor iM 8 are sealed outwardly by a seal 12.
第２図には、回転Ｆ！原動機のＸ部分の拡大図を示す。Figure 2 shows the rotation F! An enlarged view of the X portion of the prime mover is shown.
この図は、原動握軸１上に原動機カバー５の中にニード
ル軸受として配置されたころ軸受７を示ず。ころ軸受７
は、案内リング７．３と、外側リング７．４の間に配置
されたニードル７．５とから成る。ころ軸受７は、その
側面７．１が原動様軸ショルダ１．１の密封面１．２に
当接している。この密封面１．２はくぼみ１．３を右ザ
る。This figure does not show the roller bearing 7, which is arranged as a needle bearing on the drive grip shaft 1 in the drive cover 5. roller bearing 7
consists of a guide ring 7.3 and a needle 7.5 arranged between an outer ring 7.4. The roller bearing 7 rests with its side surface 7.1 against the sealing surface 1.2 of the drive-like shaft shoulder 1.1. This sealing surface 1.2 encloses the recess 1.3.
このショルダの密封面に対して直角に、原動機カバー５
の放射密封面５．１が配置されている。ころ軸受７の案
内リング７．３は、密封面１．２と５．１が相互に直角
に交わる区域において直角のくぼみ１３を備える。この
直角くぼみ１３の中に、三角形介在リング１４がｒ３座
し、その三角形の斜面１４．１に対して密封リング９が
当接している。At right angles to the sealing surface of this shoulder, the prime mover cover 5
A radiation sealing surface 5.1 is arranged. The guide ring 7.3 of the roller bearing 7 is provided with a right-angled recess 13 in the area where the sealing surfaces 1.2 and 5.1 intersect at right angles to each other. In this right-angled recess 13 a triangular intervening ring 14 sits r3, against the triangular slope 14.1 of which the sealing ring 9 rests.
密封リング９は、原動例カバー５の密封面５．１に当接
するその放射方向密封面９．１に環状グループ９．２を
有する。ころ軸受７の反対側面７．２と原動機カバー５
との間に、Ｏリング１０として構成された粘弾性要素１
０が配置されている。ころ軸受７のこの側面７．２は加
圧導溝８を通して加圧媒質３．２によって作用される。The sealing ring 9 has an annular group 9.2 on its radial sealing surface 9.1 which abuts the sealing surface 5.1 of the motor cover 5. Opposite side 7.2 of roller bearing 7 and prime mover cover 5
a viscoelastic element 1 configured as an O-ring 10 between
0 is placed. This side 7.2 of the roller bearing 7 is acted upon by a pressurizing medium 3.2 through a pressurizing channel 8.
第３図には、密封リングつところ軸受７の案内リング７
．３の他の実施態様を図示する。この実施態様において
は、案内リング７．３は、密封面１．２と５，１とが直
交する区域において三角形密封リング９．３を受けるた
めの斜面７．６を有する。In FIG. 3, the guide ring 7 of the sealing ring and the bearing 7 are shown.
．． 3 illustrates another embodiment of the invention. In this embodiment, the guide ring 7.3 has a bevel 7.6 for receiving the triangular sealing ring 9.3 in the area where the sealing surfaces 1.2 and 5,1 are orthogonal.
第１図は密封リング９の他の実ＩＪ！態様を示す。Figure 1 shows another actual IJ of sealing ring 9! Indicates the mode.
２部品から成る密封リング９．４は担体リング９．４．
１を有し、この担体リングは案内リング７．３の斜面７
．６に当接し、またその反対側隅部に直角断面のグルー
プ９．４．２を有する。この直角グループの中に直角断
面のスリップ・リング９．４．３が着座し、このスリッ
プ・リングは１ｕ体リング９．４．１の側面９．’４．
４から突出している。スリップ・リング９．４．３は金
属または非金属のすべり素材から成る。The two-part sealing ring 9.4 is a carrier ring 9.4.
1, this carrier ring has a slope 7 of the guide ring 7.3.
．． 6 and has at its opposite corner a group 9.4.2 of right-angled section. In this right-angled group is seated a slip ring 9.4.3 of right-angled cross section, which slip ring is connected to the side surface 9.4 of the 1U body ring 9.4.1. '4.
It stands out from 4. The slip ring 9.4.3 consists of a metallic or non-metallic sliding material.
０リング１０．１によって予圧されたころ軸受７の案内
リング７．３が加圧導溝８を通して加圧媒質３．２によ
って作用されて密封リング９に圧着され、密封リング９
が原動機軸１のショルダ１．１の密ＩＪ面１．２と原ｆ
ＪＪ様カバー５の密封面５．１に対して常に当接するが
故に、加圧媒質駆動型回転翼原動機の原ｆ）Ｊ Ｉ ’
Ｔ＊ １と原動機カバー５との間の密封面１．２と５．
１との間の密封が得られる。The guide ring 7.3 of the roller bearing 7, which is preloaded by the O-ring 10.1, is pressed against the sealing ring 9 by the pressure medium 3.2 through the pressure guide groove 8.
is the close IJ surface 1.2 of the shoulder 1.1 of the prime mover shaft 1 and the prime mover f
Since it is always in contact with the sealing surface 5.1 of the JJ cover 5, the main force of the pressurized medium-driven rotary blade prime mover f) J I'
Sealing surfaces 1.2 and 5. between T* 1 and prime mover cover 5.
1 is obtained.
実施例に示す密封リング９の横道により、案内リング７
．３の側面７．１の加圧から生じる応力が軸方向成分と
放射方向成分とに分割され、これが密封リング９と密封
面１．２，５．１との間に同等の面圧を生じる。案内リ
ング７．３の加圧される側面７．１と、密封面１．２と
５．１に当接する密封リング９の軸方向および放射方向
側面９．１との面積の差異により、特定の応力伝達比が
得られるので、密封リング９はあらゆる・駆動状態にお
いて密封面１．２と５．１に圧着される。Due to the sideways of the sealing ring 9 shown in the example, the guide ring 7
．． The stress resulting from the pressurization of the side surface 7.1 of 3 is divided into an axial component and a radial component, which results in an equivalent surface pressure between the sealing ring 9 and the sealing surfaces 1.2, 5.1. Due to the difference in area between the pressurized side surface 7.1 of the guide ring 7.3 and the axial and radial side surface 9.1 of the sealing ring 9 which rests on the sealing surfaces 1.2 and 5.1, a certain Due to the stress transmission ratio obtained, the sealing ring 9 is pressed against the sealing surfaces 1.2 and 5.1 in all operating conditions.
その際に、密封リング９と密封面１．２および５．１と
の間の面圧は加圧媒質３．２の作動圧より常に大である
。In this case, the surface pressure between sealing ring 9 and sealing surfaces 1.2 and 5.1 is always greater than the operating pressure of pressurized medium 3.2.
本発明の密封構造により、密封面１．２と５．１に対す
る密封リング９の恒常的当接が得られ、原動ｉ ＃４シ
ョルダ１．１と原動機カバー５との間の密封間隙中への
加圧媒質３．２と異物の進入が防止される。The sealing structure of the present invention provides a permanent abutment of the sealing ring 9 against the sealing surfaces 1.2 and 5.1, allowing for a permanent contact of the sealing ring 9 into the sealing gap between the prime mover i #4 shoulder 1.1 and the prime mover cover 5. The ingress of pressurized medium 3.2 and foreign objects is prevented.
これにより、密封区域にお（プる流れ侵食と、キャビテ
ーシヨンと、異物による高度の摩耗が防止される。This prevents flow erosion, cavitation, and high wear due to foreign objects in the sealed area.
第１図は回転央原！ｅ機の縦断面図、第２図は第１図の
Ｘ部分の拡大図、第３図は密封リングの他の実施態様を
示ず図、第４図は密封リングのさらに他の実／１！態様
を示す図である。
１・・・原動機、１．１・・・原動機軸ショルダ、１．
２・・・密封面、１．３・・・くぼみ、２・・・回転翼
、３・・・圧力室、３．２・・・加圧媒質、４・・・ハ
ウジングリング、５・・・原動機カバー、７・・・ころ
軸受、７．１．７．２・・・ころ軸受側面、７．３・・
・案内リング、７．５・・・ニードル、９・・・密封リ
ング、９．４．．１・・・担体リング、９．４．３・・
・スリップ・リング、１０・・・粘弾性要素、１３・・
・くぼみ、１４・・・介在リング、１４．１・・・斜面
。
〜
彎−一
（Ｎ
１嘴１
ＦFigure 1 is the center of rotation! Fig. 2 is an enlarged view of the X part in Fig. 1, Fig. 3 is a diagram showing another embodiment of the sealing ring, and Fig. 4 is a diagram showing still another embodiment of the sealing ring. ! It is a figure showing an aspect. 1... Prime mover, 1.1... Prime mover shaft shoulder, 1.
2... Sealing surface, 1.3... Hollow, 2... Rotating blade, 3... Pressure chamber, 3.2... Pressurized medium, 4... Housing ring, 5... Prime mover cover, 7... Roller bearing, 7.1.7.2... Roller bearing side surface, 7.3...
- Guide ring, 7.5... Needle, 9... Sealing ring, 9.4. ．． 1... carrier ring, 9.4.3...
・Slip ring, 10... Viscoelastic element, 13...
- Hollow, 14... Intervening ring, 14.1... Slope. ~ Kei-ichi (N 1 beak 1 F
Claims (9)
対して予圧密封リングを当接させた加圧媒質駆動型回転
翼原動機の密封装置において、それぞれ原動機軸（１）
に備えられた原動機軸ショルダ（１．１）と、原動機カ
バー（５）の相互に直角な密封面（１．２；５．１）の
間に、粘弾性要素（１０）によって予圧され、加圧媒質
（３．２）によって移動させられ、加圧媒質（３．２）
の作動圧より大なる面圧を密封リング（９）と密封面（
１．２；５．１）との間に発生するころ軸受（７）によ
って常に圧着される密封リング（９）が配備されること
を特徴とする密封装置。(1) In a sealing device for a pressurized medium-driven rotary blade prime mover in which a preload sealing ring is brought into contact with the axial sealing surface between the prime mover shaft and the prime mover cover, each prime mover shaft (1)
between the prime mover shaft shoulder (1.1) provided at moved by a pressure medium (3.2); pressurized medium (3.2);
The sealing ring (9) and the sealing surface (
1.2; 5.1) A sealing device characterized in that a sealing ring (9) is provided which is constantly pressed by a roller bearing (7) occurring between the sealing ring (9) and the roller bearing (7).
る放射方向密封リング側面（９．１）に環状グループ（
９．２）を備える事を特徴とする特許請求の範囲第１項
による密封装置。(2) An annular group (
9.2) A sealing device according to claim 1, characterized in that it comprises:
特徴とする特許請求の範囲第１項による密封装置。(3) A sealing device according to claim 1, characterized in that the sealing ring (9) is made of a metal sliding material.
事を特徴とする特許請求の範囲第１項による密封装置。(4) A sealing device according to claim 1, characterized in that the sealing ring (9) is made of a non-metallic sliding material.
）はその軸方向密封面（１．２）においてくぼみ（１．
３）を有する事を特徴とする特許請求の範囲第１項によ
る密封装置。(5) Shaft shoulder (1.1) attached to prime mover shaft (1)
) has an indentation (1.2) in its axial sealing surface (1.2).
3) A sealing device according to claim 1, characterized in that it has the following.
リング（９）を受けるための斜面（７．６）を有する事
を特徴とする特許請求の範囲第１項による密封装置。(6) A sealing device according to claim 1, characterized in that the guide ring (7.3) of the roller bearing (7) has a slope (7.6) for receiving the sealing ring (9). .
断面の介在リング（１４）を受けるための直角断面くぼ
み（１３）を有し、前記介在リング（１４）の斜面（１
４．１）が密封リング（９）に当接されている事を特徴
とする特許請求の範囲第１項による密封装置。(7) The guide ring (7.3) of the roller bearing (7) has a recess (13) with a right-angled cross section for receiving an intervening ring (14) of triangular cross section, and the inclined surface (1) of said intervening ring (14)
4.1) Sealing device according to claim 1, characterized in that the sealing ring (9) rests on the sealing ring (9).
て構成されている事を特徴とする特許請求の範囲第１項
による密封装置。(8) Sealing device according to claim 1, characterized in that the viscoelastic element (10) is constructed as an O-ring (10.1).
、その側面（９．４．４）から突出したスリップ・リン
グ（９．４．３）とから成る事を特徴とする特許請求の
範囲第１項による密封装置。(9) The sealing ring (9) is characterized in that it consists of a carrier ring (9.4.1) and a slip ring (9.4.3) projecting from its side surface (9.4.4). Sealing device according to claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE15B/280414-8 | 1985-09-09 | ||
| DD28041485A DD240766A1 (en) | 1985-09-09 | 1985-09-09 | DEVICE FOR SEALING A ROTATING ANGLE ENGINE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6258060A true JPS6258060A (en) | 1987-03-13 |
Family
ID=5571101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20936686A Pending JPS6258060A (en) | 1985-09-09 | 1986-09-05 | Sealing device for rotor prime mover |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6258060A (en) |
| DD (1) | DD240766A1 (en) |
| DE (1) | DE3626342A1 (en) |
-
1985
- 1985-09-09 DD DD28041485A patent/DD240766A1/en active IP Right Grant
-
1986
- 1986-08-04 DE DE19863626342 patent/DE3626342A1/en not_active Withdrawn
- 1986-09-05 JP JP20936686A patent/JPS6258060A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DD240766A1 (en) | 1986-11-12 |
| DE3626342A1 (en) | 1987-03-19 |
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