CN202768784U - Speed reducer output device with sealing device - Google Patents
Speed reducer output device with sealing device Download PDFInfo
- Publication number
- CN202768784U CN202768784U CN 201220460712 CN201220460712U CN202768784U CN 202768784 U CN202768784 U CN 202768784U CN 201220460712 CN201220460712 CN 201220460712 CN 201220460712 U CN201220460712 U CN 201220460712U CN 202768784 U CN202768784 U CN 202768784U
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- Prior art keywords
- output shaft
- speed reducer
- output
- extension edge
- towards
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- Expired - Fee Related
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Abstract
The utility model discloses a speed reducer output device with a sealing device. The speed reducer output device with the sealing device comprises a box body and an output shaft which is provided with an output gear. The box body extends towards the direction of the output shaft to form a box body extend side through one side of the output end of the output shaft. A circular oil dam is arranged at one side, towards the box body extend side, of the gear on the output shaft. The lateral side of the oil dam is cylindrical. A circular groove is arranged at one side, towards the box body extend side, of the output gear. The oil dam is embedded into the circular groove. A bearing is arranged between the end portion of the box body extend side and the output shaft. A press cover is arranged one side, deviating from the box body inner portion, of the bearing. The press cove is connected with the output shaft in a sealing mode. An oil nozzle is arranged in the press cover. A mounting flange is arranged outside the box body extend side and outside the press cover in a sleeved mode. The speed reducer output device with the sealing device is provided with an oil dam structure capable of effectively segregating lubricant and the output shaft in a sealing mode, segregating the lubricant, effectively reducing leakage, even achieving zero leakage, significantly reducing facility maintainance, and meanwhile prolonging service life of a facility.
Description
Technical field
The utility model relates to the speed reducer technical field, is specifically related to a kind of speed reducer output unit with seal arrangement.
Background technique
Speed reducer is a kind of power transmission mechanism, utilizes the velocity transducer of gear, the winding number of motor is decelerated to desired winding number, and obtain the mechanism of larger torque.For the mechanism of transferring power and motion, the application area of speed reducer is quite extensive at present.
Vertical type speed reducer (change gear) in speed reducer generally adopts the seal arrangement of contact-type, as adopt outside framework oil seal or other class to stop the leakage of lubricant oil by tribology principle, its the maximum defective of seal arrangement that adopts contact-type is exactly after using certain hour, Sealing can lose efficacy because of wearing and tearing, just to change Sealing, may cause thus the maintenance that stops production or increase equipment, such as untimely replacing, leakage pollutes the environment or affects production, serious situation may affect because of a large amount of leakages of lubricating oil the normal lubricated of equipment, thereby causes the damage of equipment.
Summary of the invention
The purpose of this utility model is: for the deficiencies in the prior art, the utility model provides that a kind of sealing effect is good, anti-leak result good, the speed reducer output unit with seal arrangement of long service life, can greatly reduce the maintenance of equipment.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of speed reducer output unit with seal arrangement, comprise the output shaft in casing and the casing, output shaft is provided with the output gear that is equipped with the speed reducer input device, described casing extends to form the casing extension edge by a side of output shaft output terminal towards the output shaft direction, and in casing extension edge end towards a side of output gear arrange the annular oily dam, the outer side surface on described oily dam is the cylindrical outer side face, described output gear is provided with circular groove towards a side of casing extension edge, described oily dam embeds in the circular groove away from a side of casing extension edge, be provided with bearing between the end of described casing extension edge and the output shaft, the side that bearing deviates from box house is provided with gland, described gland and output shaft sealing arrange, gland is provided with oil nozzle, described casing extension edge is provided with mounting flange outward, and mounting flange is set in outside the gland.
As preferably, the end of described casing extension edge is provided with the connecting bolt seat towards a side of output gear, and described connecting bolt is fixedly connected with described oily dam.After adopting above-mentioned preferred version, be convenient to the fixed installation on later stage oil dam.
As preferably, described connecting bolt seat is fixedly connected with the mode of described casing extension edge by bolt, and described oily dam is fixed on the connecting bolt seat towards a side of output shaft by the mode of welding.After adopting above-mentioned preferred version, the fixed installation of oily dam of the present utility model and connecting bolt is more firm, and the fixed installation of connecting bolt and casing extension edge is more firm.
As preferably, described connecting bolt seat is provided with seal ring towards a side of casing extension edge.After adopting above-mentioned preferred version, can further guarantee being sealed and matched of connecting bolt and casing extension edge, further increase the effect of oily dam anti-leak.
As preferably, adopt the mode of grease lubrication to be lubricated between described bearing and the output shaft.After adopting above-mentioned preferred version, make and play lubricated preferably lubrication effect between bearing and the output shaft.
As preferably, be provided with oil-sealing arrangement between described gland and the output shaft, form being sealed and matched of gland and output shaft.After adopting above-mentioned preferred version, increase the sealing of many one decks, anti-leak result is better.
Speed reducer output unit employing with seal arrangement of the present utility model is a kind of to seal isolated oily dam structure with lubricant oil and output shaft, effectively isolation lubricating oil effectively reduces and reveals, even is zero leakage, greatly reduced the maintenance of equipment, the while is the working life of extension device effectively.
Description of drawings
Fig. 1 is the utility model embodiment's concrete structure schematic diagram.
Embodiment
As shown in Figure 1, the utility model embodiment is a kind of speed reducer output unit with seal arrangement specifically, comprises the output shaft 2 in casing 1 and the casing 1, and output shaft 2 is provided with the output gear 3 that is equipped with the speed reducer input device.Casing 1 extends to form casing extension edge 11 by a side of output shaft 2 output terminals 21 towards output shaft 2 directions, and in casing extension edge 11 ends towards a side of output gear 3 arrange the annular oily dam 4, the outer side surface on oil dam 4 is the cylindrical outer side face, and output gear 3 is provided with circular groove 31 towards a side of casing extension edge 11.Oil dam 4 embeds in the circular groove 31 away from a side of casing extension edge 11, is provided with bearing 5 between the end of casing extension edge 11 and the output shaft 2, adopts the mode of grease lubrication to be lubricated between bearing 5 and the output shaft 2.The side that bearing 5 deviates from casing 1 inside is provided with gland 6, and gland 6 arranges with output shaft 2 sealings, is provided with oil-sealing arrangement 7 between gland 6 and the output shaft 2, forms being sealed and matched of gland 6 and output shaft 2.Gland 6 is provided with oil nozzle 61, the casing extension edge 11 outer mounting flanges 8 that are provided with, mounting flange 8 is set in outside the gland 6, and gland 6 is fixedly mounted on the casing extension edge 11 by the mode of bolt, and mounting flange 8 is fixedly mounted in the casing extension change 11 by the mode of bolt.
The end of casing extension edge 11 is provided with connecting bolt seat 9 towards a side of output gear 3, and connecting bolt seat 9 is fixedly connected with oily dam 4.Connecting bolt seat 9 is fixedly connected with the mode that casing extension edge 11 is bolted, and oily dam 4 is fixed on connecting bolt seat 9 towards a side of output shaft 2 by the mode of welding.Connecting bolt seat 9 is provided with seal ring 91 towards a side of casing extension edge 11.
During work, lubricant oil enter casing 1 interior after because the effect of blocking on oily dam 4, lubricant oil is cut off between oily dam 4 and casing 1, the liquid extreme higher position of controlling lubricant oil is no more than the highest point on oily dam 4, and adopts grease lubrication between bearing 5 and the output shaft 2.
Claims (6)
1. speed reducer output unit with seal arrangement, comprise the output shaft in casing and the casing, output shaft is provided with the output gear that is equipped with the speed reducer input device, it is characterized in that: described casing extends to form the casing extension edge by a side of output shaft output terminal towards the output shaft direction, and in casing extension edge end towards a side of output gear arrange the annular oily dam, the outer side surface on described oily dam is the cylindrical outer side face, described output gear is provided with circular groove towards a side of casing extension edge, described oily dam embeds in the circular groove away from a side of casing extension edge, be provided with bearing between the end of described casing extension edge and the output shaft, the side that bearing deviates from box house is provided with gland, described gland and output shaft sealing arrange, gland is provided with oil nozzle, described casing extension edge is provided with mounting flange outward, and mounting flange is set in outside the gland.
2. the speed reducer output unit with seal arrangement according to claim 1, it is characterized in that: the end of described casing extension edge is provided with the connecting bolt seat towards a side of output gear, and described connecting bolt is fixedly connected with described oily dam.
3. the speed reducer output unit with seal arrangement according to claim 2, it is characterized in that: described connecting bolt seat is fixedly connected with the mode of described casing extension edge by bolt, and described oily dam is fixed on the connecting bolt seat towards a side of output shaft by the mode of welding.
4. according to claim 2 or 3 described speed reducer output units with seal arrangement, it is characterized in that: described connecting bolt seat is provided with seal ring towards a side of casing extension edge.
5. the speed reducer output unit with seal arrangement according to claim 1 is characterized in that: adopt the mode of grease lubrication to be lubricated between described bearing and the output shaft.
6. the speed reducer output unit with seal arrangement according to claim 1 is characterized in that: be provided with oil-sealing arrangement between described gland and the output shaft, form being sealed and matched of gland and output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220460712 CN202768784U (en) | 2012-09-11 | 2012-09-11 | Speed reducer output device with sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220460712 CN202768784U (en) | 2012-09-11 | 2012-09-11 | Speed reducer output device with sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768784U true CN202768784U (en) | 2013-03-06 |
Family
ID=47775360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220460712 Expired - Fee Related CN202768784U (en) | 2012-09-11 | 2012-09-11 | Speed reducer output device with sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131389A (en) * | 2018-02-02 | 2019-08-16 | 日本电产三协株式会社 | Driving device |
| CN112324911A (en) * | 2020-11-13 | 2021-02-05 | 中国船舶重工集团公司第七0三研究所 | Novel perpendicular cantilever seal structure |
-
2012
- 2012-09-11 CN CN 201220460712 patent/CN202768784U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131389A (en) * | 2018-02-02 | 2019-08-16 | 日本电产三协株式会社 | Driving device |
| CN112324911A (en) * | 2020-11-13 | 2021-02-05 | 中国船舶重工集团公司第七0三研究所 | Novel perpendicular cantilever seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160911 |