CN220488257U - Self-lubricating worm gear reducer - Google Patents
Self-lubricating worm gear reducer Download PDFInfo
- Publication number
- CN220488257U CN220488257U CN202322133868.6U CN202322133868U CN220488257U CN 220488257 U CN220488257 U CN 220488257U CN 202322133868 U CN202322133868 U CN 202322133868U CN 220488257 U CN220488257 U CN 220488257U
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- Prior art keywords
- worm
- lubricating
- pump
- oil
- self
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 23
- 239000010687 lubricating oil Substances 0.000 claims abstract description 30
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 56
- 238000009826 distribution Methods 0.000 claims description 15
- 238000006424 Flood reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a self-lubricating worm gear reducer, and belongs to the technical field of reducers. The self-lubricating worm gear reducer comprises a box body, wherein an end cover is arranged on the box body, a bidirectional cycloid pump is embedded on the end cover, the pump shaft of the bidirectional cycloid pump is connected with a worm wheel shaft, the input end and the output end of the bidirectional cycloid pump are respectively connected with a hose, and the output end of the bidirectional cycloid pump is used for supplying lubricating oil to an upper bearing of a worm. According to the utility model, the two-way cycloid pump is arranged on the end cover, the pump shaft of the two-way cycloid pump is connected with the worm wheel shaft, when the worm wheel shaft rotates, the two-way cycloid pump supplies lubricating oil at the bottom of the box body to the upper bearing of the worm through the hose, and the lubricating oil stock in the box body only needs to meet the lubricating requirement of the meshing part of the worm wheel and the worm, so that the lubricating oil stock in the box body is reduced, the lubricating oil overflow during starting in winter is avoided, the production cost of the reduction gearbox is reduced, the efficiency of the reduction gearbox is improved, and the two-way cycloid pump has a positive effect on the heat dissipation of the reduction gearbox.
Description
Technical Field
The utility model belongs to the technical field of speed reducers, and particularly relates to a self-lubricating worm gear speed reducer.
Background
The worm of the escalator speed reducer is vertically arranged, the axial direction of the worm wheel shaft and the axial direction of the worm are arranged at 90 degrees, the part with larger oil lubrication requirement in the speed reducer is the meshing part of the worm wheel and the worm, but because the worm is vertically arranged, the upper bearing of the worm is far away from the meshing part of the worm wheel and the worm, in order to lubricate the upper bearing of the worm, the oil level is required to be increased to at least one third of that of the bearing roller, and the bearing can be fully lubricated.
In the prior art, when the gear box is filled with oil, a large amount of bubbles can be generated when the oil is stirred in a colder environment, so that the oil is easy to overflow when the machine is started in winter; in addition, if lubrication of an upper bearing is not considered, only half of oil is needed to be added into the gear box, but the cost of the speed reducer is high due to the existing full design; also, the more oil in the gearbox, the greater the stirring loss, the efficiency decline can make the energy loss increase, leads to the heat to increase, and the oil temperature rises, and the incasement space diminishes and is unfavorable for the speed reducer heat dissipation.
Disclosure of Invention
The utility model aims to: a self-lubricating worm gear reducer is provided to solve the above problems in the prior art.
The technical scheme is as follows: the utility model provides a self-lubricating worm gear reducer, includes the box, vertical articulated has the worm in the box, the worm passes through the upper bearing of worm and the lower bearing of worm and connects on the box, install the end cover on the box, inlay on the end cover and be equipped with two-way cycloid pump, the pump shaft and the worm wheel hub connection of two-way cycloid pump, the worm wheel hub extends to outside the box, install the worm wheel on the worm wheel hub, worm wheel and worm meshing, the input and the output of two-way cycloid pump are connected with the hose respectively, be used for supplying with lubricating oil to the upper bearing of worm of two-way cycloid pump output.
Further, an oil distribution hole is formed in the box body, one end of the oil distribution hole is communicated with a cavity for installing the upper bearing of the worm, the other end of the oil distribution hole is connected with an oil supply pipeline, and the oil supply pipeline is connected to the output end of the bidirectional cycloid pump.
Further, the input end of the bidirectional cycloid pump is connected with an oil suction pipeline, the end part of the oil suction pipeline extends to the inside of the box body, and a load ball is arranged at the end part of the oil suction pipeline.
Furthermore, the middle part of the oil suction pipeline is in a parallel double-pipeline structure, and the parallel double pipelines are respectively connected with a valve and a filter.
Further, the two-way cycloid pump is in sealing connection with the end cover.
Further, lubricating oil is filled in the box body, and the lubricating oil floods the meshing line of the worm wheel and the worm.
The beneficial effects are that: according to the utility model, the two-way cycloid pump is arranged on the end cover, the pump shaft of the two-way cycloid pump is connected with the worm wheel shaft, when the worm wheel shaft rotates, the two-way cycloid pump supplies lubricating oil at the bottom of the box body to the upper bearing of the worm through the hose, and the lubricating oil stock in the box body only needs to meet the lubricating requirement of the meshing part of the worm wheel and the worm, so that the lubricating oil stock in the box body is reduced, the lubricating oil overflow during starting in winter is avoided, the production cost of the reduction gearbox is reduced, the efficiency of the reduction gearbox is improved, and the two-way cycloid pump has a positive effect on the heat dissipation of the reduction gearbox.
Drawings
FIG. 1 is a schematic view of the internal front view of the present utility model;
FIG. 2 is a schematic side view of the interior of the present utility model;
fig. 3 is an enlarged view of the utility model at a in fig. 2.
The reference numerals are: 1. a case; 2. a worm wheel shaft; 3. a worm wheel; 4. a pump shaft; 5. a bi-directional gerotor pump; 6. an oil suction pipeline; 7. an oil supply line; 8. a worm; 9. an end cap; 10. oil distribution holes; 11. and a worm upper bearing.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
As shown in fig. 1-3, a self-lubricating worm gear reducer comprises a box body 1, wherein a worm 8 is vertically hinged in the box body 1, the worm 8 is connected to the box body 1 through a worm upper bearing 11 and a worm lower bearing, an end cover 9 is mounted on the box body 1, a bidirectional cycloid pump 5 is embedded in the end cover 9, a pump shaft 4 of the bidirectional cycloid pump 5 is connected with a worm wheel shaft 2, the worm wheel shaft 2 extends out of the box body 1, a worm wheel 3 is mounted on the worm wheel shaft 2, the worm wheel 3 is meshed with the worm 8, the input end and the output end of the bidirectional cycloid pump 5 are respectively connected with a hose, and the output end of the bidirectional cycloid pump 5 is used for supplying lubricating oil to the worm upper bearing 11.
The two-way cycloid pump 5 arranged on the end cover 9, the pump shaft 4 of the two-way cycloid pump 5 is connected with the worm wheel shaft 2, the two-way cycloid pump 5 pumps along with the rotation of the worm wheel shaft 2, the two-way cycloid pump 5 supplies the lubricating oil at the bottom of the box body 1 to the worm upper bearing 11 through a hose, and the lubricating oil stock in the box body 1 only needs to meet the lubricating requirement of the meshing part of the worm wheel 3 and the worm 8, so that the lubricating oil stock in the box body 1 is reduced, the lubricating oil overflow during starting in winter is avoided, the production cost of a reduction gearbox is reduced, the efficiency of the reduction gearbox is improved, and the two-way cycloid pump has positive effects in the aspect of heat dissipation of the reduction gearbox.
As shown in fig. 2-3, the box body 1 is provided with an oil distribution hole 10, one end of the oil distribution hole 10 is communicated with a cavity for installing a worm upper bearing 11, the other end of the oil distribution hole is connected with an oil supply pipeline 7, and the oil supply pipeline 7 is connected with the output end of the bidirectional cycloid pump 5. The oil outlet end of the oil distribution hole 10 is positioned between the seal of the worm 8 and the upper worm bearing 11, normal operation of the worm 8 is not affected, the oil distribution hole 10 completely conveys oil supplied by the bidirectional cycloid pump 5 to the upper worm bearing 11, and after the upper worm bearing 11 has an independent lubricating way, the box body 1 is not required to be fully loaded with lubricating oil to lubricate the upper worm bearing.
As shown in fig. 1, the input end of the bi-directional cycloid pump 5 is connected with an oil suction pipeline 6, the end part of the oil suction pipeline 6 extends into the box body 1, and the end part of the oil suction pipeline 6 is provided with a load ball. The loading ball can enable the end part of the hose of the oil suction pipeline 6 to be arranged at the bottom of the box body 1, so that the influence of the worm wheel 3 and the worm 8 on the oil suction pipeline 6 when the speed reducer operates is reduced.
The middle part of the oil suction pipeline 6 is in a parallel double pipeline structure, and valves and filters are respectively connected to the parallel double pipelines. The oil suction pipeline 6 can effectively filter impurities in lubricating oil, reduce damage of lubricating oil impurities to the upper bearing 11 of the worm, and when the oil suction pipeline 6 is used, only one passage is arranged in the double pipelines, and the double pipelines are designed to facilitate the non-stop cleaning of the oil suction pipeline 6 and have stronger beneficial effects in preventing the oil suction pipeline 6 from being blocked.
The two-way cycloid pump 5 is in sealing connection with the end cover 9. In order to smoothly assemble the bi-directional gerotor pump 5 into the end cap 9, it is preferable that the end cap 9 is a split snap-fit structure connected by fasteners to ensure a seal therebetween.
Lubricating oil is filled in the box body 1, and the lubricating oil floods the meshing line of the worm wheel 3 and the worm 8. The filling amount of the lubricating oil only needs to submerge the meshing line of the worm wheel 3 and the worm 8, and the lubricating worm wheel 3 and the worm 8 can be exerted.
When the oil distribution device is used, the worm wheel shaft 2 of the speed reducer is used as a driving shaft, when the worm wheel shaft 2 rotates at a high speed, the pump shaft 4 is driven to rotate, the bidirectional cycloid pump 5 starts to supply oil, the oil suction pipeline 6 connected to the input end of the bidirectional cycloid pump 5 sucks lubricating oil at the bottom of the box body 1 and conveys the lubricating oil to the oil distribution hole 10 through the oil supply pipeline 7, the oil distribution hole 10 is communicated with a cavity provided with the upper worm bearing 11, and the lubricating oil is continuously supplied to the upper worm bearing 11, so that the storage of the lubricating oil in the box body 1 is not needed to submerge the upper worm bearing 11, and the bidirectional cycloid pump 5 and a hose oil way thereof provide an independent lubricating path for the upper worm bearing 11, so that the lubricating oil storage in the box body 1 is reduced.
After the speed reducer is used for a period of time, the oil suction pipeline 6 can be cleaned, specifically, when the pipeline is cleaned for a period of time, the valve on the unused pipeline is opened first, the valve on the originally used pipeline is closed rapidly, and then the filter on the originally used pipeline is cleaned or replaced.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a self-lubricating worm gear reducer, includes box (1), vertical articulated in box (1) have worm (8), worm (8) are connected on box (1) through worm upper bearing (11) and worm lower bearing, a serial communication port, install end cover (9) on box (1), inlay on end cover (9) and be equipped with two-way cycloid pump (5), the pump shaft (4) and worm wheel axle (2) of two-way cycloid pump (5) are connected, worm wheel axle (2) extend to outside box (1), install worm wheel (3) on worm wheel axle (2), worm wheel (3) and worm (8) meshing, the input and the output of two-way cycloid pump (5) are connected with the hose respectively, be used for supplying with lubricating oil to worm upper bearing (11) of two-way cycloid pump (5) output.
2. The self-lubricating worm gear reducer according to claim 1, wherein the box body (1) is provided with an oil distribution hole (10), one end of the oil distribution hole (10) is communicated with a cavity for installing an upper worm bearing (11), the other end of the oil distribution hole is connected with an oil supply pipeline (7), and the oil supply pipeline (7) is connected with the output end of the bidirectional cycloid pump (5).
3. The self-lubricating worm gear reducer according to claim 2, characterized in that the input end of the bi-directional cycloid pump (5) is connected with an oil suction pipeline (6), the end part of the oil suction pipeline (6) extends into the box body (1), and the end part of the oil suction pipeline (6) is provided with a load ball.
4. A self-lubricating worm gear reducer according to claim 3, characterized in that the middle part of the oil suction pipeline (6) is of a parallel double pipeline structure, and the parallel double pipelines are respectively connected with a valve and a filter.
5. A self-lubricating worm gear reducer according to claim 1, characterized in that the bi-directional gerotor pump (5) is in sealing connection with an end cap (9).
6. A self-lubricating worm gear reducer according to claim 1, characterized in that the box (1) is internally filled with lubricating oil which floods the meshing line of the worm wheel (3) and the worm (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322133868.6U CN220488257U (en) | 2023-08-09 | 2023-08-09 | Self-lubricating worm gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322133868.6U CN220488257U (en) | 2023-08-09 | 2023-08-09 | Self-lubricating worm gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488257U true CN220488257U (en) | 2024-02-13 |
Family
ID=89828837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322133868.6U Active CN220488257U (en) | 2023-08-09 | 2023-08-09 | Self-lubricating worm gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488257U (en) |
-
2023
- 2023-08-09 CN CN202322133868.6U patent/CN220488257U/en active Active
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