CN211624156U - Reducer output shaft end sealing device - Google Patents
Reducer output shaft end sealing device Download PDFInfo
- Publication number
- CN211624156U CN211624156U CN202020258828.8U CN202020258828U CN211624156U CN 211624156 U CN211624156 U CN 211624156U CN 202020258828 U CN202020258828 U CN 202020258828U CN 211624156 U CN211624156 U CN 211624156U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- oil
- casing
- transparent cover
- sealing device
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 47
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 36
- 239000003921 oil Substances 0.000 abstract description 58
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 5
- 239000004568 cement Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model relates to a cement manufacture technical field discloses a speed reducer output shaft end sealing device, the speed reducer includes casing, bearing and output shaft, its sealing device is including passing through lid and seal cover, pass through the lid and fix on the casing, pass through lid one end and hug closely casing and bearing, be equipped with skeleton oil blanket one in passing through the lid, the other end that the seal cover hugged closely passing through the lid just fixes on the casing, be equipped with oil extraction chamber and sealed chamber on the seal cover, inlay on the oil extraction intracavity wall and be equipped with the skeleton oil blanket two that the output shaft outside was located to the cover, the oil extraction chamber is equipped with the oil drain hole, oil drain hole department is equipped with the end cap, sealed. The utility model discloses the installation is simple, can prevent effectively that lubricating oil from the speed reducer output seepage, and sealed effect is showing to be applicable to most of speed reducers, application scope is wide.
Description
Technical Field
The utility model relates to a cement manufacture technical field especially relates to a speed reducer output shaft end sealing device.
Background
The speed reducer is the most widely used transmission machinery in the industrial field, the inside of the speed reducer is generally filled with lubricating oil with certain pressure, and when the speed reducer works, the lubricating oil is easy to leak from an output shaft of the speed reducer, so that not only is the waste of the lubricating oil caused, but also the normal operation of the speed reducer is influenced, and therefore the oil leakage phenomenon of the speed reducer is one of the most difficult problems to solve in the whole industry. The existing solution is to adopt a high-molecular sealant and an oil groove to transform and replace an oil seal, but the existing solution can not achieve a particularly good effect in actual use, needs to be cleaned continuously by manpower, and increases the maintenance workload.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior technical problem, the utility model provides a speed reducer output shaft end sealing device.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed reducer output shaft end sealing device, the speed reducer includes casing, bearing and output shaft, sealing device locates the output shaft outside and along the transparent cover and the seal cover of output shaft axial arrangement including the cover, transparent cover fixes on the casing, and transparent cover one end is hugged closely casing and bearing, is equipped with skeleton oil blanket one in transparent cover, the other end that transparent cover was hugged closely to the seal cover just fixes on the casing, is equipped with oil extraction chamber and sealed chamber on the seal cover, inlay on the oil extraction intracavity wall to be equipped with the skeleton oil blanket two that the output shaft outside was located to the cover, the oil extraction chamber is equipped with the oil drain hole, oil drain hole department is equipped with the end cap, sealed chamber is equipped.
Preferably, the first skeleton oil seals are two and arranged side by side along the axial direction of the output shaft.
Preferably, the bearing is arranged on the inner side of the casing, a connecting step is arranged at one end, far away from the casing, of the transparent cover, a connecting portion matched with the connecting step is arranged on the sealing sleeve, connecting holes are correspondingly formed in the transparent cover and the connecting portion, and fixing bolts used for being connected with the casing are arranged in the connecting holes.
Preferably, the oil discharge cavity is formed by enclosing a sealing sleeve, an output shaft and a transparent cover.
The utility model discloses a three seal structure, durable need not artifical the maintenance, is applicable to most of speed reducers. In addition the utility model discloses have fairly good sealed effect to the speed reducer output shaft that has the wearing and tearing slot, have unique advantage, it is incomparable that other kinds of speed reducer sealing device is.
The utility model discloses simple structure, simple to operate to following beneficial effect has:
(1) the reducer is suitable for most reducers and has wide application range by only installing the reducer at the output shaft end without changing any structure and size of the original reducer;
(2) the output shaft is not damaged, and part of the structure is in a contact type, but the abrasion is small;
(3) the installation period is short, and the installation can be completed in half a day;
(4) the investment is small, complex equipment is not needed, and parts can be manufactured by self, so that the cost is reduced;
(5) the sealing effect can reach 98 percent (the effect can reach 90 percent when the output shaft with a serious abrasion groove is worn), and the sealing effect is thorough and good.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure: the oil pump comprises a shell 1, a bearing 2, an output shaft 3, a transparent cover 4, a sealing sleeve 5, a framework oil seal I6, an oil discharge cavity 7, a sealing cavity 8, a framework oil seal II 9, a plug 10, an oil inlet nozzle 11, a connecting part 12 and a fixing bolt 13.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Examples
Referring to fig. 1, the speed reducer output shaft end sealing device comprises a casing 1, a bearing 2 and an output shaft 3, the sealing device comprises a transparent cover 4 and a sealing sleeve 5, the transparent cover 4 and the sealing sleeve 5 are sleeved on the outer side of the output shaft 3 and are axially arranged along the output shaft 3, the transparent cover 4 is fixed on the casing 1, one end of the transparent cover 4 is tightly attached to the casing 1 and the bearing 2, a first skeleton oil seal 6 is arranged in the transparent cover 4, the sealing sleeve 5 is tightly attached to the other end of the transparent cover 4 and is fixed on the casing 1, an oil discharge cavity 7 and a sealing cavity 8 are arranged on the sealing sleeve 5, a second skeleton oil seal 9 sleeved on the outer side of the output shaft 3 is inlaid on the inner wall of the oil discharge cavity 7, an oil discharge hole is formed in the oil discharge cavity.
The first skeleton oil seals 6 are two and are arranged side by side along the axial direction of the output shaft 3.
The bearing 2 is arranged on the inner side of the casing 1, a connecting step is arranged at one end, away from the casing 1, of the transparent cover 4, a connecting portion 12 matched with the connecting step is arranged on the sealing sleeve 5, connecting holes are correspondingly formed in the transparent cover 4 and the connecting portion 12, and fixing bolts 13 used for being connected with the casing 1 are arranged in the connecting holes.
The oil discharge cavity 7 is formed by enclosing a sealing sleeve 5, an output shaft 3 and a transparent cover 4.
In the embodiment, after the speed reducer is installed in place, the transparent cover 4 and the sealing sleeve 5 are fixed on the casing 1 at the output shaft end of the speed reducer through the fixing bolt 13; two framework oil seals I6 are arranged in the transparent cover 4, and the section of each framework oil seal I6 faces the sealing sleeve 5; a framework oil seal II 9 is arranged in the seal sleeve 5, and the section of the framework oil seal II 9 faces the transparent cover 4; the sealing sleeve 5, the output shaft 3 and the transparent cover 4 are enclosed to form an oil discharge cavity 7, and the wall of the oil discharge cavity 7 is drilled and tapped and provided with a plug 10; a sealing cavity 8 is formed between the sealing sleeve 5 and the output shaft 3, and an oil inlet nozzle 11 is installed on the wall of the sealing cavity 8 through drilling and tapping.
Two framework oil seals 6 in the transparent cover 4 are abutted against the surface of the output shaft 3 of the speed reducer to form a first seal; a framework oil seal II 9 is arranged in the seal sleeve 5, and the framework oil seal II 9 is abutted against the surface of the output shaft 3 to form a second seal; the outer side of the sealing sleeve 5 is abutted to the output shaft 3 to form a sealing cavity 8, and grease is filled into the sealing cavity 8 from the oil inlet nozzle 11 to form a third seal. The two framework oil seals and the grease seal are matched for use, the sealing effect is better, and the problem of environmental pollution caused by oil leakage of the speed reducer can be thoroughly solved.
The utility model discloses in be provided with oil extraction chamber 7, end cap 10 is twisted on when sealing device uses for the first time, when skeleton oil seal 6 or skeleton oil seal two 9 ageing oil leaks, can take off end cap 10 and connect oil pipe on the oil drain hole, the oil of leaking out flows into oil extraction chamber 7 and discharges from oil pipe through the oil drain hole.
The output shaft 3 of the speed reducer is easy to wear and generate a wear groove after the framework oil seal 6 is used for a period of time, the position of the new framework oil seal 6 moves outwards by 5mm relative to the original framework oil seal 6 during installation, and the wear groove position on the output shaft 3 is staggered.
The utility model discloses the installation is simple, can prevent effectively that lubricating oil from the speed reducer output seepage, and sealed effect is showing to be applicable to most of speed reducers, application scope is wide.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides a speed reducer output shaft end sealing device, the speed reducer includes casing, bearing and output shaft, its characterized in that: the sealing device comprises a transparent cover and a sealing sleeve, wherein the transparent cover and the sealing sleeve are sleeved on the outer side of the output shaft and are arranged along the axial direction of the output shaft, the transparent cover is fixed on the casing, one end of the transparent cover is tightly attached to the casing and a bearing, a first skeleton oil seal is arranged in the transparent cover, the other end of the transparent cover is tightly attached to the sealing sleeve and is fixed on the casing, an oil discharge cavity and a sealing cavity are arranged on the sealing sleeve, a second skeleton oil seal sleeved on the outer side of the output shaft is inlaid on the inner wall of the oil discharge cavity, an oil discharge hole is formed in the oil discharge.
2. The reducer output shaft end sealing device according to claim 1, characterized in that: the framework oil seals are two and are arranged side by side along the axial direction of the output shaft.
3. The reducer output shaft end sealing device according to claim 1, characterized in that: the bearing is arranged on the inner side of the casing, a connecting step is arranged at one end, far away from the casing, of the transparent cover, a connecting portion matched with the connecting step is arranged on the sealing sleeve, connecting holes are correspondingly formed in the transparent cover and the connecting portion, and fixing bolts used for being connected with the casing are arranged in the connecting holes.
4. The reducer output shaft end sealing device according to claim 1, characterized in that: the oil discharge cavity is formed by enclosing a sealing sleeve, an output shaft and a transparent cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258828.8U CN211624156U (en) | 2020-03-05 | 2020-03-05 | Reducer output shaft end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258828.8U CN211624156U (en) | 2020-03-05 | 2020-03-05 | Reducer output shaft end sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624156U true CN211624156U (en) | 2020-10-02 |
Family
ID=72621135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258828.8U Expired - Fee Related CN211624156U (en) | 2020-03-05 | 2020-03-05 | Reducer output shaft end sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624156U (en) |
-
2020
- 2020-03-05 CN CN202020258828.8U patent/CN211624156U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |