CN210661295U - Oil leakage prevention device of speed reducer - Google Patents
Oil leakage prevention device of speed reducer Download PDFInfo
- Publication number
- CN210661295U CN210661295U CN201921360683.6U CN201921360683U CN210661295U CN 210661295 U CN210661295 U CN 210661295U CN 201921360683 U CN201921360683 U CN 201921360683U CN 210661295 U CN210661295 U CN 210661295U
- Authority
- CN
- China
- Prior art keywords
- oil
- speed reducer
- sealing
- seat
- leakage prevention
- 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
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 45
- 230000002265 prevention Effects 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a speed reducer leak protection oil device, including speed reducer box, step shaft, be equipped with the bearing between step shaft and the speed reducer box, the bearing end face is equipped with bearing gland, including sealing device and oil return device, sealing device locates the bearing gland outside, and oil return device connects sealing device and speed reducer bottom half, sealing device includes oil trap, seal receptacle, subdivision formula sealing washer and clamp plate, and the oil trap is installed in the seal receptacle, and the oil return device is access to in the export of oil trap, and the oil trap outside is located to subdivision formula sealing washer and clamp plate. The oil collecting tank is added in the device, and leaked oil is concentrated in the oil collecting tank due to failure of the framework oil seal and flows back to the bottom of the speed reducer, so that oil leakage can be reduced to the greatest extent. When the oil leakage amount is large, the split sealing ring is a last barrier for preventing oil from leaking, even if the split sealing ring is out of work after being used for a long time, the machine is stopped and replaced, the consumed time is half an hour, and the precious production time can be saved.
Description
Technical Field
The utility model relates to a mechanical maintenance technical field, in particular to speed reducer leak protection oil device.
Background
The speed reducer is a common mechanical device, and an input shaft and an output shaft of the speed reducer are abraded due to long-term use, so that oil leakage is caused due to sealing failure, the problems of environmental pollution and cost rise are caused, and hidden equipment hazards are left. As shown in fig. 1, an input shaft and an output shaft of an existing speed reducer are generally one or two framework oil seals, and some foreign speed reducers are additionally provided with a dustproof labyrinth seal or a metal ring seal. But the framework oil seal is aged after long service time, the elasticity is poor, the matching position with the shaft is also abraded, and oil leakage is finally caused; labyrinth seal or metal ring seal only play a dustproof role, can not prevent the thin oil to leak out; the shaft coupling and the gear shaft need to be disassembled when the sealing element and the repairing shaft are worn, the workload is huge, time is wasted, the machine needs to be stopped for several days particularly for medium and large speed reducers, and the loss caused by production is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a speed reducer leak protection oil device, and the device can prevent speed reducer shaft oil leak, changes and restores easy operation convenient.
The technical scheme of the utility model is that: the utility model provides a speed reducer leak protection oil device, includes speed reducer box, step shaft, is equipped with the bearing between step shaft and the speed reducer box, and the bearing terminal surface is equipped with the bearing gland, including sealing device and oil return device, sealing device locates the bearing gland outside, and oil return device connects sealing device and speed reducer bottom half, sealing device includes oil trap, seal receptacle, subdivision formula sealing washer and clamp plate, and the oil trap is installed in the seal receptacle, and the export of oil trap is access to oil return device, and the oil trap outside is located to subdivision formula sealing washer and clamp plate.
The contact surface of the sealing seat and the bearing gland is provided with a sealing groove, and the sealing groove is internally coated with a sealing glue.
The sealant is anaerobic adhesive.
The sealing seat is welded on the bearing gland.
The oil return device comprises a copper pipe and a ferrule type pipe joint.
And a gasket is arranged between the ferrule type pipe joint and the sealing seat.
The seal receptacle includes subdivision seat and subdivision seat down, goes up subdivision seat and divides the seat to pass through set bolt and nut connection fixed down, is equipped with oil return device installation position on the subdivision seat down.
And a sealing ring is arranged between the pressure plate and the stepped shaft.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses shaft coupling or step shaft need not be dismantled in the installation to leak protection oil device, only need install additional in the bearing end cover outside can, the assemble duration is about 2 hours, and the down time is short, can install when shutting down the maintenance.
2. The oil collecting tank is additionally arranged between the original framework oil seals, and leaked oil is concentrated in the oil collecting tank due to the failure of the framework oil seals and flows back to the bottom of the speed reducer through the oil return device, so that the oil leakage can be reduced to the maximum extent.
3. This device outside has still added a subdivision formula sealing washer, and when the oil leakage volume is great, this sealed last barrier for preventing oil and spill, even the subdivision formula sealing washer is invalid after using for a long time, and it is half an hour to shut down the time that changes the consumption, can save valuable production time. The multiple oil leakage prevention modes can completely ensure that the equipment is continuously operated to complete treatment when next overhaul, and are suitable for the condition that the abraded shaft cannot be repaired and the sealing cannot be replaced when the equipment is stopped for a long time.
Drawings
Fig. 1 is a schematic structural diagram of a speed reducer in the prior art.
Fig. 2 is a schematic structural diagram of the oil leakage prevention device of the speed reducer.
Fig. 3 is a partially enlarged schematic view of the sealing device and the oil return device.
Fig. 4 is a schematic structural view of the seal seat.
Fig. 5 is a schematic view of the structure in direction a of fig. 4.
In the figure, 1 is a speed reducer box, 2 is a bearing, 3 is a stepped shaft, 4 is a bearing gland, 5 is a coupler, 6 is an oil collecting tank, 7 is a sealing seat, 8 is a split sealing ring, 9 is a pressure plate, 10 is a sealing groove, 11 is a welding point, 12 is a ferrule type joint, 13 is a copper pipe, 14 is a framework oil seal, 15 is an upper split seat, 16 is a lower split seat, 17 is a positioning bolt, 18 is a nut, and 19 is an oil return device mounting position.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
The embodiment provides a speed reducer leak protection oil device, as shown in fig. 2 and 3, including the speed reducer box, the step shaft, be equipped with the bearing between step shaft and the speed reducer box, the bearing terminal surface is equipped with the bearing gland, still include sealing device and oil returning device, sealing device locates the bearing gland outside, play the effect sealed and collected the oil leak, further prevent that oil from spilling, oil returning device is arranged in carrying the speed reducer box with the oil of collecting in the sealing device, can reduce the oil leak in the at utmost, oil returning device connects sealing device and speed reducer bottom of the box.
The sealing device comprises an oil collecting groove, a sealing seat, a split sealing ring and a pressing plate, the oil collecting groove is arranged in the sealing seat, an outlet of the oil collecting groove is communicated with an oil return device connected with the sealing seat, and the split sealing ring and the pressing plate are arranged on the outer side of the oil collecting groove. The seal receptacle is welded on the bearing gland. The contact surface of the sealing seat and the bearing gland is provided with a sealing groove, and the sealing groove is internally coated with sealing glue which is anaerobic glue. And a sealing ring is arranged between the pressure plate and the stepped shaft to prevent oil from leaking. As shown in fig. 4 and 5, the sealing seat comprises an upper split seat and a lower split seat, the upper split seat and the lower split seat are fixedly connected through positioning bolts and nuts, the positioning bolts and the nuts are provided with two sets, and the lower split seat is provided with an oil return device installation position.
The oil return device comprises a copper pipe and a ferrule type pipe joint, a gasket is arranged between the ferrule type pipe joint and the sealing seat for oil leakage, and oil in the oil collecting tank flows to the pipe orifice of the oil return device from the outlet and flows back to the speed reducer box body along the copper pipe.
When the oil leakage preventing device of the speed reducer is installed, the sealing seat is firstly machined, the upper split seat and the lower split seat are machined firstly, the matching surfaces of the upper split seat and the lower split seat are milled flat, then the upper split seat and the lower split seat are respectively subjected to spot welding and matched drilling, the positioning bolts are installed, the upper split seat and the lower split seat are fastened through nuts, and finally the oil leakage preventing device is machined to the corresponding size on a lathe. And processing a gland for pressing the split sealing ring. When the bearing is installed on site, paint is removed from the surface of the original bearing end cover, the bearing end cover is cleaned, the sealing seat is disassembled into an upper split seat and a lower split seat, the upper split seat and the lower split seat are sleeved on the stepped shaft, the positioning bolt is installed and fastened by the nut, and then the attaching surface of the sealing seat and the bearing gland and the sealing groove are fully coated with sealant, so that anaerobic adhesive is preferably used due to long operation time. And (4) centering, plugging four pre-processed stopper rods into the upper, lower, left and right points with an error within 0.2 mm. And after the adhesive tape is tightly adhered, spot-welding for one circle by using a small welding machine. Then the split seal ring and the pressure plate are loaded. The magnetic drill is used for sucking the drill hole at the bottom of the speed reducer box body and tapping, iron wires are used for clearing iron chips when the drill hole is drilled to a depth of 5mm, an observation hole in the upper portion of the speed reducer is opened when the drill hole is about to be drilled, an appliance is placed on the lower portion of the drill hole in the speed reducer, and the appliance is used for receiving the iron chips and preventing the iron chips from entering the speed reducer. And finally, connecting a copper pipe of the oil return device to the bottom of the reduction box body from the oil collecting groove of the sealing seat by using the copper pipe with the diameter of 10mm and a ferrule type pipe joint.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a speed reducer leak protection oil device, includes speed reducer box, step shaft, is equipped with the bearing between step shaft and the speed reducer box, and the bearing terminal surface is equipped with the bearing gland, and its characterized in that, including sealing device and oil return device, sealing device locates the bearing gland outside, and oil return device connects sealing device and speed reducer bottom half, sealing device includes oil trap, seal receptacle, subdivision formula sealing washer and clamp plate, and the oil trap is installed in the seal receptacle, and the export of oil trap is access to oil return device, and the oil trap outside is located to subdivision formula sealing washer and clamp plate.
2. The oil leakage prevention device for the speed reducer as claimed in claim 1, wherein a sealing groove is formed in a contact surface of the sealing seat and the bearing gland, and the sealing groove is filled with a sealant.
3. The oil leakage prevention device of the speed reducer as claimed in claim 2, wherein the sealant is anaerobic adhesive.
4. The oil leakage prevention device of the speed reducer as claimed in claim 1, wherein the seal housing is welded to the bearing cap.
5. The oil leakage prevention device for the speed reducer according to claim 1, wherein the oil return device comprises a copper pipe and a ferrule type pipe joint.
6. The oil leakage prevention device for the speed reducer according to claim 5, wherein a gasket is arranged between the ferrule type pipe joint and the sealing seat.
7. The oil leakage prevention device of the speed reducer of claim 1, wherein the sealing seat comprises an upper split seat and a lower split seat, the upper split seat and the lower split seat are fixedly connected through a positioning bolt and a nut, and an oil return device mounting position is arranged on the lower split seat.
8. An oil leakage prevention device of a speed reducer as claimed in claim 1, wherein a seal ring is provided between the pressure plate and the stepped shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360683.6U CN210661295U (en) | 2019-08-21 | 2019-08-21 | Oil leakage prevention device of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360683.6U CN210661295U (en) | 2019-08-21 | 2019-08-21 | Oil leakage prevention device of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210661295U true CN210661295U (en) | 2020-06-02 |
Family
ID=70821270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921360683.6U Expired - Fee Related CN210661295U (en) | 2019-08-21 | 2019-08-21 | Oil leakage prevention device of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210661295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228539A (en) * | 2020-10-28 | 2021-01-15 | 张家港宏昌钢板有限公司 | Method for quickly treating oil leakage of oil seal of output shaft of horizontal gear box |
-
2019
- 2019-08-21 CN CN201921360683.6U patent/CN210661295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228539A (en) * | 2020-10-28 | 2021-01-15 | 张家港宏昌钢板有限公司 | Method for quickly treating oil leakage of oil seal of output shaft of horizontal gear box |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |