JPH0631280Y2 - Lubricating oil spray equipment - Google Patents
Lubricating oil spray equipmentInfo
- Publication number
- JPH0631280Y2 JPH0631280Y2 JP15895688U JP15895688U JPH0631280Y2 JP H0631280 Y2 JPH0631280 Y2 JP H0631280Y2 JP 15895688 U JP15895688 U JP 15895688U JP 15895688 U JP15895688 U JP 15895688U JP H0631280 Y2 JPH0631280 Y2 JP H0631280Y2
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- nozzle hole
- oil supply
- supply pipe
- spray equipment
- 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
Landscapes
- General Details Of Gearings (AREA)
- Nozzles (AREA)
- Spray Control Apparatus (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は増速機、減速機等の互いに噛合する歯車の巾広
の歯面や、これら歯車の端面及びこれに対向するツバ形
スラスト軸受の端面との隙間に潤滑油を霧状として給油
するのに好適な潤滑油の噴霧装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is directed to wide tooth flanks of gears that mesh with each other, such as gearboxes and speed reducers, end faces of these gears, and a flanged thrust bearing that faces them. The present invention relates to a lubricating oil spraying device suitable for supplying lubricating oil in the form of a mist in the gap between the end surface of the lubricating oil and the end surface.
（従来の技術） 従来のターボ冷凍機用増速機における潤滑油の噴霧装置
の１例が第４図ないし第６図に示されている。(Prior Art) An example of a lubricating oil spraying device in a conventional gearbox for a turbo refrigerator is shown in FIGS. 4 to 6.
第４図ないし第６図ににいて、１はケーシング、２は入
力軸で、ケーシング１に軸受３及びスラスト軸受４を介
して軸支され、この入力軸２には歯車５が固定されてい
る。６は出力軸で、ケーシング１にツバ形スラスト軸受
７及び８を介して軸支され、この出力軸６には上記歯車
５と噛合する歯車９が固定されている。In FIGS. 4 to 6, 1 is a casing, 2 is an input shaft, which is rotatably supported by the casing 1 through a bearing 3 and a thrust bearing 4, and a gear 5 is fixed to the input shaft 2. . An output shaft 6 is rotatably supported by the casing 1 via flanged thrust bearings 7 and 8, and a gear 9 meshing with the gear 5 is fixed to the output shaft 6.
ケーシング１内上部には給油管10が水平に配設され、こ
の給油管10の下面には２個のスプレーノズル11が螺入す
ることによって下向きに取り付けられている。An oil supply pipe 10 is horizontally arranged in an upper portion of the casing 1, and two spray nozzles 11 are screwed into the lower surface of the oil supply pipe 10 to be attached downward.
しかして、配管12から圧送されて来た潤滑油はケーシン
グ１に穿設された給油孔13を経て給油管10内に入り、ノ
ズル11から噴霧されて歯車９の端面とスラスト軸受７、
８の対向面との隙間等に給油される。Then, the lubricating oil pumped from the pipe 12 enters the oil supply pipe 10 through the oil supply hole 13 formed in the casing 1, is sprayed from the nozzle 11, and is sprayed from the end surface of the gear 9 and the thrust bearing 7.
8 is filled with oil, for example, in a gap with the facing surface.
（考案が解決しようとする課題） 上記従来の装置においては、スプレーノズル11が大型で
あり、しかも、この大型のノズル11が給油管10の下面に
螺入することによって取り付けられるので、給油管10も
大型となる。そして、大型のスプレーノズル11を給油管
10の下面に螺入して下向きに取り付けるのは小さな歯車
室内では極めて困難であった。更に、このスプレーノズ
ル11は高価であるとともにその円形のスプレー域の径は
供給される潤滑油の圧力変化に応じて大巾に変化すると
いう不具合があった。(Problems to be Solved by the Invention) In the above-mentioned conventional apparatus, the spray nozzle 11 is large, and the large nozzle 11 is attached by being screwed into the lower surface of the oil supply pipe 10. Is also large. Then, install the large spray nozzle 11 into the oil supply pipe.
It was extremely difficult to screw it into the lower surface of 10 and attach it downwards in a small gear chamber. Furthermore, the spray nozzle 11 is expensive and the diameter of the circular spray area changes greatly depending on the pressure change of the lubricating oil supplied.
（課題を解決するための手段） 本考案は上記課題を解決するために提案されたものであ
って、その要旨とするところは、給油個所の上方に所定
の間隔を隔てて配設されて水平に伸びる給油管の下側に
その周方向に沿って縦長のノズル穴を穿設し、このノズ
ル穴の周壁を放射方向に向かうに従って拡開するテーパ
面としたことを特徴とする潤滑油の噴霧装置にある。(Means for Solving the Problems) The present invention has been proposed to solve the above problems, and the gist of the present invention is that it is arranged above a refueling point at a predetermined interval and is horizontal. A vertically elongated nozzle hole is formed in the lower side of the oil supply pipe extending in the circumferential direction, and the peripheral wall of the nozzle hole is a tapered surface that widens in the radial direction. On the device.
（作用） 本考案においては、上記構成を具えているため、高圧の
潤滑油は給油管内に供給され、その下側に穿設された周
方向に縦長のノズル穴の周壁のテーパ面に案内されて拡
散しながら霧状に噴出して給油個所に楕円状となって給
油される。(Operation) Since the present invention has the above-mentioned configuration, the high-pressure lubricating oil is supplied into the oil supply pipe, and is guided to the taper surface of the peripheral wall of the vertically elongated nozzle hole which is provided in the lower side thereof in the circumferential direction. It is sprayed in a mist form while diffusing, and is refueled in an elliptical shape at the refueling point.
（実施例） 本考案の１実施例が第１図ないし第３図に示されてい
る。(Embodiment) One embodiment of the present invention is shown in FIGS.
給油管20の下側にはその周方向に沿って縦長のノズル穴
21が給油個所のの真上に位置するように穿設され、この
ノズル穴21の周壁は放射方向に向かうに従って拡開する
テーパ面とされている。A vertically long nozzle hole is provided along the circumferential direction on the lower side of the oil supply pipe 20.
21 is bored so as to be located right above the refueling point, and the peripheral wall of this nozzle hole 21 is a tapered surface that widens in the radial direction.
しかして、配管12から圧送されて来た潤滑油は給油孔13
を経て給油管20内に入り、その下側に穿設された周方向
に縦長のノズル穴21のテーパ面に案内されて拡散しなが
ら霧状となって噴出して給油個所に楕円形状のスプレー
域Ａとなって給油される。Then, the lubricating oil pumped from the pipe 12 is filled with the lubricating hole 13
After entering the refueling pipe 20, it is guided by the tapered surface of the vertically long nozzle hole 21 formed in the lower side of the refueling pipe 20 and diffuses to form an atomized mist that sprays an elliptical spray on the refueling point. Area A will be refueled.
なお、楕円形状のスプレー域Ａの巾αはテーパ面の角度
によって決まり、その長さＬは第２図に示すように、互
いに噛合する大小の歯車５、９の組合せによって決ま
る。そして、給油個所とノズル穴21との別離Ｈが決まれ
ば、ノズル穴21の形状が決まり、必要油量に応じてノズ
ル穴21の断面積を求めれば、ノズル穴21の寸法が決ま
る。The width α of the elliptical spray area A is determined by the angle of the tapered surface, and the length L thereof is determined by the combination of the large and small gears 5, 9 that mesh with each other, as shown in FIG. The shape of the nozzle hole 21 is determined if the separation H between the refueling point and the nozzle hole 21 is determined, and the dimension of the nozzle hole 21 is determined if the cross-sectional area of the nozzle hole 21 is determined according to the required amount of oil.
他の構成及び作用は第５図及び第６図に示す従来のもの
と同様であり、対応する部材には同じ符号が付されてい
る。Other configurations and operations are the same as those of the conventional one shown in FIGS. 5 and 6, and corresponding members are designated by the same reference numerals.
（考案の効果） 本考案においては、給油個所の上方に所定の間隔を隔て
て配設されて水平に伸びる給油管の下側にその周方向に
沿って縦長のノズル穴を穿設し、このノズル穴の周壁を
放射方向に向かうに従って拡開するテーパ面としたの
で、高圧の潤滑油はノズル穴から霧状に噴出して拡散
し、給油個所に楕円状となって給油される。(Effect of the Invention) In the present invention, a vertically elongated nozzle hole is formed along the circumferential direction on the lower side of the oil supply pipe which is disposed above the oil supply location with a predetermined interval and extends horizontally. Since the peripheral wall of the nozzle hole has a tapered surface that widens in the radial direction, the high-pressure lubricating oil is sprayed in a mist form from the nozzle hole, diffuses, and is supplied in an elliptical shape at the oil supply point.
ノズル穴の縦方向長さを加減することによって楕円状の
スプレー域の長さを容易に調節できるとともにテーパ面
の角度を加減することによって楕円状のスプレー域の巾
を容易に調節できる。また、潤滑油の圧力が変化しても
スプレー域の長さは殆ど変わらない。また、スプレー域
は楕円状をなすので、この噴霧装置の取付位置は若干の
ずれがあっても何らの支障は生じない。By adjusting the length of the nozzle hole in the longitudinal direction, the length of the elliptical spray area can be easily adjusted, and by adjusting the angle of the tapered surface, the width of the elliptical spray area can be easily adjusted. Further, even if the pressure of the lubricating oil changes, the length of the spray area hardly changes. Further, since the spray region has an elliptical shape, even if there is a slight deviation in the mounting position of this spraying device, no trouble will occur.
そして、この装置は給油管にノズル穴を穿設することに
よって構成しうるので、その加工は極めて容易であり、
かつ、そのコストは第５図に示す従来のものの一割程度
に低減できる。そして、この装置は全体として管状をな
し、しかも、その径は従来の給油管の径より小型としう
るので狭い場所にも容易に配設することができる。Since this device can be configured by forming a nozzle hole in the oil supply pipe, its processing is extremely easy,
Moreover, the cost can be reduced to about 10% of the conventional one shown in FIG. This device is tubular as a whole, and its diameter can be made smaller than that of the conventional oil supply pipe, so that it can be easily installed in a narrow place.
第１図ないし第４図は本考案の１実施例を示し、第１図
は噴霧装置の取付要領を示す断面図、第２図は噴霧装置
と給油個所との相対関係を示す略示的断面図、第３図は
噴霧装置の下面図、第４図はノズル穴とスプレー域との
相対関係を示す説明図である。第５図及び第６図は従来
装置の１例を示し、第５図は取付要領を示す断面図、第
６図はノズルの半部を断面として示す正面図である。 給油管……20、ノズル穴……21、スプレー域……Ａ1 to 4 show one embodiment of the present invention, FIG. 1 is a sectional view showing a mounting procedure of a spraying device, and FIG. 2 is a schematic sectional view showing a relative relationship between a spraying device and a refueling point. FIG. 3 is a bottom view of the spraying device, and FIG. 4 is an explanatory view showing the relative relationship between the nozzle holes and the spray area. 5 and 6 show an example of a conventional device, FIG. 5 is a sectional view showing a mounting procedure, and FIG. 6 is a front view showing a half portion of a nozzle as a section. Oil supply pipe …… 20, nozzle hole …… 21, spray area …… A
Claims (1)
されて水平に伸びる給油管の下側にその周方向に沿って
縦長のノズル穴を穿設し、このノズル穴の周壁を放射方
向に向かうに従って拡開するテーパ面としたことを特徴
とする潤滑油の噴霧装置。1. A vertically elongated nozzle hole is bored along the circumferential direction on the lower side of a horizontally extending oil supply pipe which is arranged at a predetermined interval above an oil supply point, and the peripheral wall of the nozzle hole is formed. A lubricating oil spraying device having a tapered surface that expands in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15895688U JPH0631280Y2 (en) | 1988-12-08 | 1988-12-08 | Lubricating oil spray equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15895688U JPH0631280Y2 (en) | 1988-12-08 | 1988-12-08 | Lubricating oil spray equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0278897U JPH0278897U (en) | 1990-06-18 |
| JPH0631280Y2 true JPH0631280Y2 (en) | 1994-08-22 |
Family
ID=31439743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15895688U Expired - Lifetime JPH0631280Y2 (en) | 1988-12-08 | 1988-12-08 | Lubricating oil spray equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631280Y2 (en) |
-
1988
- 1988-12-08 JP JP15895688U patent/JPH0631280Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0278897U (en) | 1990-06-18 |
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