CN101603585B - Vertical type dry well mounting and sealing mechanism of speed reducer - Google Patents
Vertical type dry well mounting and sealing mechanism of speed reducer Download PDFInfo
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- CN101603585B CN101603585B CN2009101004136A CN200910100413A CN101603585B CN 101603585 B CN101603585 B CN 101603585B CN 2009101004136 A CN2009101004136 A CN 2009101004136A CN 200910100413 A CN200910100413 A CN 200910100413A CN 101603585 B CN101603585 B CN 101603585B
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- seal ring
- oil seal
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- output gear
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Abstract
The invention relates to a sealing mechanism, in particular to a vertical type dry well mounting and sealing mechanism of a speed reducer. The invention provides the following technical proposal that: the vertical type dry well mounting and sealing mechanism of the speed reducer comprises a box body, an output shaft, an output gear, an oil sealing ring, a bearing and a sealing piece; the output shaft penetrates through a cavity of the box body; the output gear is positioned inside the cavity of the box body and is sleeved with the output shaft to form linkage; the oil sealing ring is positioned at the lower end of the output gear; an output part of the output shaft is provided with a bearing seat; the inside of the bearing seat is provided with the bearing and an oil seal; the end face of one end of the output gear facing the oil sealing ring is provided with a gap groove; the top end of the oil sealing ring extends to the gap groove; and clearance is reserved between the end face of the top end of the oil sealing ring and the inner end face of the gap groove of the output gear positively facing the end face of the top end of the oil sealing ring. Through the technical proposal, the invention provides the vertical type dry well mounting and sealing mechanism of the speed reducer, which is sealed, prevents rare oil from leaking and dissolving the oil seal, reduces the abrasion of the output gear and the output shaft and has high safety coefficient.
Description
Technical field
The present invention relates to a kind of sealing mechanism, particularly a kind of vertical type dry well mounting and sealing mechanism of speed reducer.
Background technique
The output terminal of existing speed reducer mainly includes casing, output shaft, output gear, oil seal ring, bearing and Sealing, be provided with cavity in the casing, output shaft penetrates box cavity and extends to outside the casing, output gear places the cavity of casing interior and sheathed with output shaft, constitute interlock, oil seal ring places the output gear lower end, and usually the rubber oil sea sealing is adopted in sealing, the working life of oil sealing according to Environmental Conditions and rotating speed speed 3 to 8 months differences.In industries such as medicine, chemical industry, food and environmental protection, anti-pollution degree is had relatively high expectations, and speed reducer is sealed with strict requirement.Because the vertical installation of speed reducer, bigger to oil sealing pressure, the speed reducer long-term operation, cause speed reducer oil sealing senile abrasion, thin oil in the speed reducer casing easily from output gear and oil seal ring between flow into oil sealing along output shaft, the oil sealing that causes wearing and tearing is by the thin oil dissolving and outside output shaft leaks out to, make thin oil deficiency in the box cavity, the lubricity of output gear and output shaft reduces, accelerated the wearing and tearing of output gear and output shaft, and dissolved oil sealing leaks out to and outer its working environment is polluted.
Summary of the invention
Deficiency at prior art exists the invention provides a kind of sealing, prevents thin oil seepage dissolving oil sealing, minimizing output gear and the vertical type dry well mounting and sealing mechanism of speed reducer that output shaft weares and teares, safety coefficient is high.
For achieving the above object, the invention provides following technological scheme: a kind of vertical type dry well mounting and sealing mechanism of speed reducer, include casing, output shaft, output gear, oil seal ring, bearing and Sealing, be provided with cavity in the casing, output shaft penetrates box cavity, and extend to outside the casing, output gear places in the cavity of casing, and it is sheathed with output shaft, constitute interlock, oil seal ring places the output gear lower end, the carry-out part office of output shaft is provided with bearing support, be provided with bearing and oil sealing in the bearing support, described output gear offers short slot on the end face of oil seal ring one end, the top of oil seal ring extends in this short slot, and between the interior edge face of oil seal ring top end face, leave the gap in the top end face of oil seal ring and the output gear short slot, be provided with sealing mechanism between the bearing support of the bottom of oil seal ring and output shaft carry-out part office.
A short slot will be established in this on the output gear, the top of oil seal ring extends in the short slot, after being provided with like this, output gear covers oil seal ring, its retaining pasta increases, be applied in the speed reducer, prevented that effectively thin oil from entering in the oil seal ring along the output shaft seepage, between the interior edge face of oil seal ring top end face, leave the gap in the top end face of oil seal ring and the output gear short slot and then be when preventing the output gear running and to rub with the oil seal ring generation and cause the wearing and tearing of oil seal ring and output gear.
The present invention further is set to: the sealing mechanism that is provided with between the bearing support of the bottom of described oil seal ring and output shaft carry-out part office is the connecting base that welds with casing, offer the groove adaptive on this connecting base and the end face that oil seal ring combines with the oil seal ring wall thickness, the bottom end face and the connecting base of oil seal ring are face seal, the side end face that connecting base and casing are fitted is provided with circular groove, is provided with the O RunddichtringO in this circular groove.
Being provided with on the one hand of connecting base can be played a supporting role to oil seal ring in this, then the O RunddichtringO can be set thereon on the other hand, form sealing, prevent that thin oil from leaking on the output shaft, the bottom end face and the connecting base of oil seal ring are face seal, are in order to prevent that thin oil from oozing out from the oil seal ring bottom equally.
The present invention further is set to: in the short slot of described output gear, be provided with flinger ring between oil seal ring and output shaft, flinger ring and output shaft are sheathed and be interference fit with output shaft, one end of flinger ring and the interior edge face of output gear short slot are adjacent to be pasted, and the exterior edge face of the other end and output gear is in same plane.
Setting of flinger ring is in order to prevent that thin oil from infiltrating from the keyway of output gear and output shaft in this.
The present invention further is set to: be provided with oil seal ring between described oil seal ring and the output shaft, this oil seal ring and output shaft are sheathed and be interference fit with output shaft, and oil seal ring is located at the flinger ring lower end and is close to setting with flinger ring.
Setting of oil seal ring is that after thin oil entered in the oil seal ring from the oil seal ring top, the thin oil that oil seal ring will enter oil seal ring blocked, and prevented to leak out to the oil sealing place along output shaft for when the something unexpected happened in this.
Below in conjunction with accompanying drawing the present invention is further described:
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the I portion enlarged view of Fig. 1.
Embodiment
As Fig. 1, a kind of vertical type dry well mounting and sealing mechanism of speed reducer shown in Figure 2, include casing 1, output shaft 2, output gear 3, oil seal ring 4, bearing 61 and Sealing, be provided with cavity 11 in the casing, output shaft 2 penetrates casing 1 cavity 11, and extend to outside the casing 1, output gear 3 places in the cavity 11 of casing 1, and it is sheathed with output shaft 2, constitute interlock, oil seal ring 4 places output gear 3 lower ends, output 21 places of output shaft 2 are provided with bearing support 6, be provided with bearing 61 and oil sealing 62 in the bearing support 6, described output gear 3 offers short slot 31 on the end face of oil seal ring 4 one ends, this short slot 31 substantially ringwise, the top of oil seal ring 4 extends in this short slot 31, and output gear 3 covers oil seal ring 4, and its retaining pasta increases, be applied in the speed reducer, prevented that effectively thin oil from entering in the oil seal ring 4 along output shaft 2 seepages, and the thin oils in casing 1 cavity 11 can adopt manual detection, prevent that the thin oil pasta from surpassing the expection height and causing thin oil to infiltrate to oil seal ring 4; Leave gap 33 in the top end face 41 of oil seal ring 4 and output gear 3 short slots 31 between the interior edge face 32 of oil seal ring 4 top end faces 41, the setting in this gap, place 33 then is to rub with oil seal ring 4 generations when preventing output gear 3 runnings and cause the wearing and tearing of oil seal ring 4 and output gear 3; Be provided with sealing mechanism 7 between the bearing support 6 at the bottom of oil seal ring 4 and output shaft 2 outputs 21 places, sealing mechanism 7 is the connecting base 71 that welds with casing 1, offer the groove 72 adaptive on this connecting base 71 and the end face that oil seal ring 4 combines with oil seal ring 4 wall thickness, the bottom end face 42 and the connecting base 71 of oil seal ring 4 are face seal, connecting base 71 is provided with circular groove 712 with the side end face 711 that casing 1 is fitted, be provided with O RunddichtringO 73 in this circular groove 712, being provided with on the one hand of connecting base 71 can be played a supporting role to oil seal ring 4, then O RunddichtringO 73 can be set thereon on the other hand, form sealing, prevent that thin oil from leaking on the output shaft 2, the bottom end face 42 and the connecting base 71 of oil seal ring 4 are face seal, are in order to prevent that thin oil from oozing out from oil seal ring 4 bottoms equally; Certainly, the bottom end face 4 of oil seal ring 4 also can directly be connected with the bearing support 6 at output shaft 2 outputs 21 places, sealing means just is set like this be difficult for is provided with, so the present invention preferred the former; The situation that seepage does not appear in the thin oils in casing 1 cavity 11 just can guarantee the lubricity of output gear 3 and output shaft 2, makes in its lubricity that is controlled at expection, prevents output gear 3 and output shaft 2 excessive wears, has improved Security.
In embodiments of the present invention, in the short slot 31 of output gear 3, between oil seal ring 4 and output shaft 2, be provided with flinger ring 8, flinger ring 8 and output shaft 2 are sheathed and be interference fit with output shaft 2, interior edge face 32 adjacent subsides of one end of flinger ring 8 and output gear 3 short slots, the exterior edge face 34 of the other end and output gear 3 is in same plane, the setting of flinger ring 8 is in order to prevent that thin oil from infiltrating to oil sealing 62 from the keyway of output gear 3 and output shaft 2, causes the oil sealing that weares and teares 62 dissolved and leak out to outer and influence working environment.Also be provided with oil seal ring 9 between oil seal ring 4 and the output shaft 2, this oil seal ring 9 and output shaft 2 are sheathed and be interference fit with output shaft 2, oil seal ring 9 is located at flinger ring 8 lower ends and is close to setting with flinger ring 8, the setting of oil seal ring is for when the something unexpected happened, after thin oil enters in the oil seal ring from the oil seal ring top, the thin oil that oil seal ring 9 will enter oil seal ring 4 blocks, and prevents to leak out to oil sealing 62 places along output shaft 2.
Claims (2)
1. vertical type dry well mounting and sealing mechanism of speed reducer, include casing, output shaft, driving gear, oil seal ring, bearing and Sealing, be provided with cavity in the casing, output shaft penetrates box cavity, and extend to outside the casing, output gear places in the cavity of casing, and it is sheathed with output shaft, constitute interlock, oil seal ring places the output gear lower end, the carry-out part office of output shaft is provided with bearing support, be provided with bearing and oil sealing in the bearing support, described output gear offers short slot on the end face of oil seal ring one end, the top of oil seal ring extends in this short slot, and between the interior edge face of oil seal ring top end face, leave the gap in the top end face of oil seal ring and the output gear short slot, be provided with sealing mechanism between the bearing support of the bottom of oil seal ring and output shaft carry-out part office; The sealing mechanism that is provided with between the bearing support of the bottom of described oil seal ring and output shaft carry-out part office is the connecting base that welds with casing, offer the groove adaptive on this connecting base and the end face that oil seal ring combines with the oil seal ring wall thickness, the bottom end face and the connecting base of oil seal ring are face seal, the side end face that connecting base and casing are fitted is provided with circular groove, is provided with the O RunddichtringO in this circular groove; It is characterized in that: in the short slot of described output gear, between oil seal ring and output shaft, be provided with flinger ring, flinger ring and output shaft are sheathed and be interference fit with output shaft, one end of flinger ring and the interior edge face of output gear short slot are adjacent to be pasted, and the exterior edge face of the other end and output gear is in same plane.
2. vertical type dry well mounting and sealing mechanism of speed reducer according to claim 1, it is characterized in that: be provided with oil seal ring between described oil seal ring and the output shaft, this oil seal ring and output shaft are sheathed and be interference fit with output shaft, and oil seal ring is located at the flinger ring lower end and is close to setting with flinger ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101004136A CN101603585B (en) | 2009-06-29 | 2009-06-29 | Vertical type dry well mounting and sealing mechanism of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101004136A CN101603585B (en) | 2009-06-29 | 2009-06-29 | Vertical type dry well mounting and sealing mechanism of speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101603585A CN101603585A (en) | 2009-12-16 |
| CN101603585B true CN101603585B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101004136A Active CN101603585B (en) | 2009-06-29 | 2009-06-29 | Vertical type dry well mounting and sealing mechanism of speed reducer |
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| CN (1) | CN101603585B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818807B (en) * | 2010-04-14 | 2012-02-29 | 沃德(天津)传动有限公司 | Speed reducer |
| CN101832385A (en) * | 2010-04-29 | 2010-09-15 | 胡炜 | Lower output shaft seal device of vertical reducer and reducer with same |
| JP5508197B2 (en) * | 2010-08-30 | 2014-05-28 | 日本電産シンポ株式会社 | transmission |
| CN103968044B (en) * | 2013-01-29 | 2017-06-20 | 北京中煤矿山工程有限公司 | A kind of double cofferdam lubrication sealing structures that transmission case is driven for pushing up |
| CN104132122A (en) * | 2014-07-13 | 2014-11-05 | 江苏泰隆减速机股份有限公司 | Oil leakage preventing worm gear and worm speed reducer |
| CN107524788A (en) * | 2017-07-06 | 2017-12-29 | 南京高精齿轮集团有限公司 | The sealing device of vertical cabinet |
| CN114087344B (en) * | 2021-11-19 | 2023-09-01 | 广东华于科技股份有限公司 | Oil seal seat for output shaft |
| CN114435412A (en) * | 2022-01-28 | 2022-05-06 | 大连华锐重工集团股份有限公司 | Axle-holding walking driving speed reducer of large axle load self-propelled metallurgical vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426036Y (en) * | 2000-06-14 | 2001-04-04 | 唐山冶金矿山机械厂 | Central gearing device for rotary air preheater |
| CN201090720Y (en) * | 2007-06-19 | 2008-07-23 | 上海胜开尔流体设备有限公司 | Oil leak-proof apparatus of speed reducer |
| CN201412498Y (en) * | 2009-06-29 | 2010-02-24 | 浙江通力重型齿轮股份有限公司 | Speed reducer vertical mounting seal dry well mechanism |
-
2009
- 2009-06-29 CN CN2009101004136A patent/CN101603585B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426036Y (en) * | 2000-06-14 | 2001-04-04 | 唐山冶金矿山机械厂 | Central gearing device for rotary air preheater |
| CN201090720Y (en) * | 2007-06-19 | 2008-07-23 | 上海胜开尔流体设备有限公司 | Oil leak-proof apparatus of speed reducer |
| CN201412498Y (en) * | 2009-06-29 | 2010-02-24 | 浙江通力重型齿轮股份有限公司 | Speed reducer vertical mounting seal dry well mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 沈大鹏.干井密封技术在聚合釜减速机上的应用.《中小企业管理与科技》.2007,(第9期),第1页. * |
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| Publication number | Publication date |
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| CN101603585A (en) | 2009-12-16 |
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Address after: 3801 Jiangnan Avenue, Ruian City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Tongli Transmission Technology Co.,Ltd. Address before: 325200 Zhejiang province Ruian City Feiyun Town Lin Yang Lin Bei Cun River Street Office Patentee before: ZHEJIANG TONGLI HEAVY GEAR Co.,Ltd. |
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| CP03 | "change of name, title or address" |