CN217108169U - High-speed gear box - Google Patents
High-speed gear box Download PDFInfo
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- CN217108169U CN217108169U CN202221077219.8U CN202221077219U CN217108169U CN 217108169 U CN217108169 U CN 217108169U CN 202221077219 U CN202221077219 U CN 202221077219U CN 217108169 U CN217108169 U CN 217108169U
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Abstract
A high-speed gear box belongs to the technical field of gear boxes. Including setting up the lubrication channel on box (1) of gear box main part, the fueling injection equipment of setting in box (1) and the sealing device of setting between the pivot of gear box main part and box (1), each pivot is all installed on box (1) through the bearing, and the bearing setting is inboard at the sealing device who corresponds, fueling injection equipment's oil spout portion is towards the gear setting of gear box main part, the outside of box (1) is provided with the oil inlet that is linked together with lubrication channel, lubrication channel is linked together with each bearing and spray set simultaneously. This high speed gear box has reduced the pipeline in the box, avoids the pipeline in the box to cause the hindrance to the transmission of gear, and the bearing setting can avoid the lubricating oil of bearing department to take place to leak in the inboard of the sealing device who corresponds, has reduced this high speed gear box's fault rate, and then has improved this high speed gear box job stabilization nature.
Description
Technical Field
A high-speed gear box belongs to the technical field of gear boxes.
Background
The lubricating structure of the high-speed gear box is generally a two-way system, wherein a bearing is lubricated all the way, a gear is lubricated all the way, more pipelines are designed in the box body, the running rotating speed of the gear box is higher, certain potential safety hazards exist in the gear box, and the gear box is damaged due to the fact that the pipelines are loosened and contacted with the gear.
The application number is 201821782429.0's chinese utility model patent discloses a planetary gear train oil spout lubrication structure of wind-powered electricity generation gear box, and it only discloses at gear engagement position oil spout, but it needs extra lubricated pipeline to lubricate the bearing, still has the more problem of pipeline in its box, because its bearing department needs lubricate alone and cool off, therefore oil leak takes place very easily in its bearing department.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the high-speed gear box can cool and lubricate the bearing and the gear simultaneously and can avoid the problem of lubricating oil leakage at the bearing.
The utility model provides a technical scheme that its technical problem adopted is: this high-speed gear box, including the gear box main part, its characterized in that: still including setting up the lubrication channel on the box of gear box main part, the fueling injection equipment of setting in the box and the sealing device of setting between the pivot of gear box main part and box, each pivot is all installed on the box through the bearing, and the bearing setting is inboard at the sealing device who corresponds, fueling injection equipment's oil spout portion sets up towards the gear of gear box main part, the outside of box is provided with the oil inlet that is linked together with lubrication channel, lubrication channel is linked together with each bearing and spray set simultaneously.
Preferably, the sealing device comprises a labyrinth seal and an oil baffle disc which are arranged between the transparent cover of the gearbox main body and the corresponding rotating shaft, the oil baffle disc is arranged on the corresponding rotating shaft and synchronously rotates along with the rotating shaft, and the oil baffle disc is arranged on the inner side of the transparent cover. The oil baffle disc rotates along with the rotating shaft synchronously, lubricating oil in the box body can be prevented from entering the labyrinth seal, the labyrinth seal can seal the rotating shaft and the transparent cover, and the rotating shaft and the transparent cover are guaranteed to be reliably sealed.
Preferably, the sealing device further comprises an oil return hole arranged on the transparent cover, the oil return hole is arranged at the lower part of the transparent cover and communicates the middle part of the labyrinth seal with the inner cavity of the box body, and the oil return hole is in an inclined shape gradually approaching the inner cavity of the box body from top to bottom. The oil return hole communicates labyrinth seal's middle part and box inner chamber, even a small amount of lubricating oil enters into labyrinth seal in, also can flow back to in the box through the oil return hole, can avoid passing through to leak lubricating oil between lid and the pivot.
Preferably, the box body is provided with an oil cavity which is arranged around the rotating shaft, and the oil cavity is arranged between the sealing device and the corresponding bearing. The oil cavity is arranged between the sealing device and the corresponding bearing, so that the buffering effect can be achieved, and lubricating oil is prevented from entering a labyrinth seal as much as possible.
Preferably, the rotating shaft comprises a high-speed shaft and a low-speed shaft, the high-speed shaft is mounted on the box body through high-speed shaft radial sliding bearings at two ends, the output end of the low-speed shaft extends out of the box body, the output end of the low-speed shaft is mounted on the box body through a radial thrust bearing, and the other end of the low-speed shaft is mounted on the box body through a low-speed shaft radial sliding bearing.
Preferably, the lubricating passage includes an oil inlet hole and a bearing oil hole, the oil inlet hole is disposed at a lower side of the rotating shaft, one end of the oil inlet hole is disposed at an outer side of the tank to form the oil inlet, the other end of the oil inlet hole is communicated with the oil spraying device, a lower end of the bearing oil hole is communicated with the oil inlet hole, and an upper end of the bearing oil hole is communicated with the corresponding bearing. The oil inlet makes things convenient for the input of lubricating oil, and the bearing oilhole can be carried lubricating oil to bearing department to lubricate and cool off the bearing, oil injection system can spout lubricating oil to the gear on, thereby realized the lubrication and the cooling to the gear.
Preferably, both sides of the box body are provided with oil inlet holes and bearing oil holes, the lower end of each bearing oil hole is communicated with the oil inlet hole on the corresponding side, the upper end of each bearing oil hole is communicated with the bearing on the corresponding side, one end of each oil inlet hole is arranged on the box body, oil inlet holes are formed in both sides of the box body, the other ends of the oil inlet holes are communicated with each other through an oil injection device, and any one oil inlet is closed through a blocking plate.
Preferably, the oil injection device comprises a hard pipe and a nozzle, the hard pipe is communicated with the lubricating channel, the nozzle is installed on the hard pipe, and the nozzle is arranged towards the gear.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
lubricating oil in this high-speed gear box's the lubrication channel can enough flow into in the bearing, lubricate and cool off the bearing, can enter into spray set again, and spout lubricating oil to the gear through spray set, realized lubrication and the cooling to the gear, the pipeline in the box has been reduced, avoid the pipeline in the box to cause the hindrance to the transmission of gear, the bearing sets up in the inboard of the sealing device who corresponds, can avoid the lubricating oil of bearing department to take place to leak, the fault rate of this high-speed gear box has been reduced, and then the stability of this high-speed gear box work has been improved.
Drawings
FIG. 1 is a top cross-sectional schematic view of a high speed gearbox.
FIG. 2 is a front view of a high speed gearbox.
Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.
Fig. 4 is a partially enlarged view of fig. 3 at D.
Fig. 5 is a schematic cross-sectional view taken along the direction B-B in fig. 2.
Fig. 6 is a partial enlarged view at E in fig. 5.
Fig. 7 is a schematic cross-sectional view in the direction C-C in fig. 2.
FIG. 8 is a perspective view of the oil inlet hole, the low-speed shaft oil hole and the high-speed shaft oil hole on the left side of the lower case.
FIG. 9 is a perspective view of the oil inlet hole, the low-speed shaft oil hole and the high-speed shaft oil hole on the right side of the lower case.
In the figure: 1. the device comprises a box body 2, a high-speed shaft 3, a low-speed shaft 4, a high-speed shaft radial sliding bearing 5, a radial thrust bearing 6, a low-speed shaft radial sliding bearing 7, a high-speed shaft through cover 701, a high-speed shaft oil return hole 8, a high-speed shaft oil cavity 9, an oil inlet hole 10, a high-speed shaft oil hole 11, a low-speed shaft oil hole 12, a low-speed shaft oil cavity 13, a low-speed shaft through cover 1301, a low-speed shaft oil return hole 14, a low-speed shaft oil baffle disc 15, a hard pipe 16, a branch pipe 17, a nozzle 18, an oil return port 19 and a high-speed shaft oil baffle disc.
Detailed Description
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Fig. 1 to 9 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 9.
The utility model provides a high-speed gear box, including the gear box main part, still including setting up the lubrication channel on the box 1 of gear box main part, the fueling injection equipment of setting in box 1 and the sealing device of setting between the pivot of gear box main part and box 1, each pivot is all installed on box 1 through the bearing, and the bearing setting is inboard at the sealing device who corresponds, fueling injection equipment's oil spout portion is towards the gear setting of gear box main part, the outside of box 1 is provided with the oil inlet that is linked together with lubrication channel, lubrication channel is linked together with each bearing and spray set simultaneously. Lubricating oil in this high-speed gear box's the lubrication channel can enough flow into in the bearing, lubricate and cool off the bearing, can enter into spray set again, and spout lubricating oil to the gear through spray set, with the lubrication and the cooling of having realized the gear, the pipeline in the box 1 has been reduced, avoid the pipeline in the box 1 to cause the hindrance to the transmission of gear, the bearing sets up the inboard at the sealing device who corresponds, can avoid the lubricating oil of bearing department to take place to leak, the fault rate of this high-speed gear box has been reduced, and then the stability of this high-speed gear box work has been improved.
Specifically, the method comprises the following steps: as shown in FIGS. 1-2: the gear box main part includes box 1, high-speed shaft 2 and low-speed shaft 3, box 1 includes box and lower box, go up box and box detachable connection down, high-speed shaft 2 and the equal level of low-speed shaft 3 set up in box 1, and high-speed shaft 2 and the parallel and interval setting of low-speed shaft 3, box 1 is all stretched out to the input of high-speed shaft 2 and the output of low-speed shaft 3, and the input of high-speed shaft 2 and the output of low-speed shaft 3 set up the both sides of box 1 respectively, the mid-mounting of high-speed shaft 2 has high-speed gear, the mid-mounting of low-speed shaft 3 has the low-speed gear with high-speed gear engaged with.
Both ends of the high-speed shaft 2 are installed on the box body 1 through high-speed shaft radial sliding bearings 4, and a high-speed sealing device is arranged between the input end of the high-speed shaft 2 and the box body 1. The output end of the low-speed shaft 3 is installed on the box body 1 through a radial thrust bearing 5, the other end of the low-speed shaft 3 is installed on the box body 1 through a low-speed shaft radial sliding bearing 6, and a low-speed sealing device is arranged between the output end of the low-speed shaft 3 and the box body 1.
As shown in FIGS. 3-4: the right end of the high-speed shaft 2 is an input end, and the high-speed sealing device is arranged on the outer side of the high-speed shaft radial sliding bearing 4 on the corresponding side of the high-speed shaft 2.
The two sides of the box body 1 are provided with high-speed shaft oil cavities 8 which are arranged around the high-speed shaft 2, the high-speed shaft oil cavity 8 on the left side of the high-speed shaft 2 is arranged on the outer side of the high-speed shaft radial sliding bearing 4 on the left side, and the high-speed shaft oil cavity 8 on the right side of the high-speed shaft 2 is arranged between the high-speed shaft radial sliding bearing 4 on the right side and the high-speed sealing device. The high-speed shaft oil cavity 8 can play a role in buffering, and lubricating oil leakage is avoided.
The high-speed sealing device comprises a high-speed shaft oil baffle disc 19, a labyrinth seal arranged between the high-speed shaft through cover 7 and the high-speed shaft 2, and a high-speed shaft oil return hole 701 arranged on the high-speed shaft through cover 7. The high-speed shaft oil baffle disc 19 is sleeved on the high-speed shaft 2 and synchronously rotates along with the high-speed shaft 2, the high-speed shaft oil baffle disc 19 is arranged on the outer side of the high-speed shaft oil cavity 8 on the corresponding side, lubricating oil can be further blocked, and the lubricating oil is prevented from entering a labyrinth seal. The high-speed shaft oil return hole 701 is arranged at the lower part of the high-speed shaft transparent cover 7, the high-speed shaft oil return hole 701 is in an inclined shape gradually approaching to the inner cavity of the box body 1 from top to bottom, the upper end of the high-speed shaft oil return hole 701 is communicated with the middle part of the corresponding labyrinth seal, and the lower end of the high-speed shaft oil return hole 701 is communicated with the high-speed shaft oil cavity 8 on the corresponding side.
As shown in FIGS. 5 to 6: the left end of the low-speed shaft 3 is an output end, and the low-speed sealing device is arranged on the outer side of the low-speed shaft radial sliding bearing 6 on the corresponding side of the low-speed shaft 3.
The two sides of the box body 1 are provided with low-speed shaft oil cavities 12 which are arranged around the low-speed shaft 3, the low-speed shaft oil cavity 12 on the left side of the low-speed shaft 3 is arranged on the outer side of the radial thrust bearing 5, and the low-speed shaft oil cavity 12 on the right side of the low-speed shaft 3 is arranged between the low-speed shaft radial sliding bearing 6 and the low-speed sealing device. The low-speed shaft oil cavity 12 can play a role in buffering, and lubricating oil leakage is avoided.
The low-speed sealing device includes a low-speed shaft oil baffle disc 14, a labyrinth seal provided between the low-speed shaft-through cover 13 and the low-speed shaft 3, and a low-speed shaft oil return hole 1301 provided on the low-speed shaft-through cover 13. The low-speed shaft oil baffle disc 14 is sleeved on the low-speed shaft 3 and synchronously rotates along with the low-speed shaft 3, the low-speed shaft oil baffle disc 14 is arranged on the outer side of the low-speed shaft oil cavity 12 on the corresponding side, lubricating oil can be further blocked, and the lubricating oil is prevented from entering a labyrinth seal. The low-speed shaft oil return hole 1301 is arranged at the lower part of the low-speed shaft transparent cover 13, the low-speed shaft oil return hole 1301 is a horizontal hole, the upper end of the low-speed shaft oil return hole 1301 is communicated with the middle part of the corresponding labyrinth seal, and the lower end of the low-speed shaft oil return hole 1301 is communicated with the low-speed shaft oil cavity 12 on the corresponding side. The low-speed shaft oil return hole 1301 may be inclined from top to bottom so as to gradually approach the inner cavity of the case 1.
The bottoms of the high-speed shaft oil chamber 8 and the low-speed shaft oil chamber 12 are communicated with the inner cavity of the box body 1 through an oil return port 18.
As shown in fig. 7: the oil injection device comprises a hard pipe 15, a branch pipe 16 and nozzles 17, wherein the hard pipe 15 is arranged in the box body 1, the hard pipe 15 is arranged on the lower side of the low-speed shaft gear at intervals, the branch pipe 16 is arranged on the upper side of the hard pipe 15, the lower end of the branch pipe 16 is communicated with the hard pipe 15, the nozzles 17 are arranged at the upper end of the branch pipe 16, and the nozzles 17 are arranged towards the low-speed shaft gear. In the present embodiment, two branch pipes 16 are arranged side by side and at intervals along the hard pipe 15, and each branch pipe 16 is provided with a nozzle 17.
As shown in fig. 3, 4, 5, 6, 8 and 9: the lubricating channel comprises an oil inlet hole 9 and a bearing oil hole, wherein the bearing oil hole comprises a high-speed shaft oil hole 10 and a low-speed shaft oil hole 11, the oil inlet hole 9 is horizontally arranged at the lower part of the box body 1, the oil inlet holes 9 are respectively arranged at two sides of the box body 1, one end of each oil inlet hole 9 is arranged at the outer side of the box body 1, oil inlets are formed at two sides of the box body 1, and the other end of each oil inlet hole is an oil return port 18.
High-speed axle oilhole 10 and low-speed axle oilhole 11 all have two of setting in 1 both sides of box, and low-speed axle oilhole 11 and the equal vertical setting of high-speed axle 10, the lower extreme of each high-speed axle oilhole 10 all with correspond the side and advance oilhole 9 and be linked together, the upper end all is linked together with the radial slide bearing 4 of high-speed axle that corresponds the side. The lower end of each low-speed shaft oil hole 11 is communicated with the oil inlet hole 9 on the corresponding side, and the upper end is communicated with the low-speed shaft radial sliding bearing 6 and the radial thrust bearing 5 respectively.
As shown in fig. 3, 4 and 5: when the high-speed gear box works, one oil inlet is arranged at the oil inlet of each of the two oil inlet holes 9, and the other oil inlet is plugged by the plugging plate. In the present embodiment, after the lubricating oil enters from the left oil inlet hole 9, the left high-speed shaft radial sliding bearing 4 is lubricated through the left high-speed shaft oil hole 10, the radial thrust bearing 5 is lubricated through the left low-speed shaft oil hole 11, the gear is lubricated and cooled through the hard tube 15 and the nozzle 17, the lubricating oil which enters the right oil inlet hole 9 through the hard tube 15 lubricates the low-speed shaft radial sliding bearing 6 through the right low-speed shaft oil hole 11, and the right high-speed shaft radial sliding bearing 4 is lubricated through the right high-speed shaft oil hole 10.
The lubricating oil entering the high-speed shaft radial sliding bearing 4 and the low-speed shaft radial sliding bearing 3 on the left side partially flows back into the box body 1 directly, and the other part enters the high-speed shaft oil chamber 8 and the low-speed shaft oil chamber 12 on the corresponding side and flows back into the box body 1.
One part of the lubricating oil entering the high-speed shaft radial sliding bearing 4 on the right directly flows back into the box body 1, the other part of the lubricating oil enters a high-speed shaft oil cavity 8 between the high-speed shaft radial sliding bearing 4 and the high-speed shaft oil baffle 19 under the blocking of the high-speed shaft oil baffle disc 19, a large part of the lubricating oil reaches the labyrinth seal of the high-speed shaft transparent cover 7 and flows into the high-speed shaft oil cavity 8 on the corresponding side through the high-speed shaft oil return hole 701, and the lubricating oil in the high-speed shaft oil cavity 8 flows back into the box body 1.
One part of the lubricating oil entering the radial thrust bearing 5 directly flows back into the box body 1, the other part of the lubricating oil enters a low-speed shaft oil baffle disc 14 under the blocking of the low-speed shaft oil baffle disc 14, most of the lubricating oil enters a low-speed shaft oil cavity 12 between the radial thrust bearing 5 and the low-speed shaft oil baffle disc 14, a small amount of lubricating oil reaches the labyrinth seal of the low-speed shaft transparent cover 13 and flows into the low-speed shaft oil cavity 12 through a low-speed shaft oil return hole 1301, and the lubricating oil in the low-speed shaft oil cavity 12 flows back into the box body 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A high-speed gearbox, includes the gearbox main part, its characterized in that: still including setting up the lubrication channel on box (1) of gear box main part, the sealing device of oil jet equipment and setting between the pivot of gear box main part and box (1) of setting in box (1), each pivot is all installed on box (1) through the bearing, and the bearing setting is inboard at the sealing device who corresponds, oil jet equipment's oil spout portion is towards the gear setting of gear box main part, the outside of box (1) is provided with the oil inlet that is linked together with lubrication channel, lubrication channel is linked together with each bearing and spray set simultaneously.
2. The high speed gearbox of claim 1, wherein: the sealing device comprises a labyrinth seal and an oil baffle disc which are arranged between a transparent cover (7) of the gear box main body and a corresponding rotating shaft, wherein the oil baffle disc is arranged on the corresponding rotating shaft and synchronously rotates along with the rotating shaft, and the oil baffle disc is arranged on the inner side of the transparent cover (7).
3. The high speed gearbox of claim 2, wherein: the sealing device further comprises an oil return hole arranged on the transparent cover (7), the oil return hole is arranged on the lower portion of the transparent cover (7), the middle of the labyrinth seal is communicated with the inner cavity of the box body (1), and the oil return hole is in an inclined shape gradually close to the inner cavity of the box body (1) from top to bottom.
4. A high-speed gearbox according to claim 1 or 2, wherein: the oil cavity is arranged on the box body (1) and surrounds the rotating shaft, and the oil cavity is arranged between the sealing device and the corresponding bearing.
5. The high speed gearbox of claim 1, wherein: the rotating shaft comprises a high-speed shaft (2) and a low-speed shaft (3), the high-speed shaft (2) is installed on the box body (1) through high-speed shaft radial sliding bearings (4) at two ends, the output end of the low-speed shaft (3) extends out of the box body (1), the output end of the low-speed shaft (3) is installed on the box body (1) through a radial thrust bearing (5), and the other end of the low-speed shaft radial sliding bearing (6) is installed on the box body (1).
6. The high speed gearbox of claim 1, wherein: the lubricating channel comprises an oil inlet hole and a bearing oil hole which are arranged on the box body (1), the oil inlet hole is arranged on the lower side of the rotating shaft, one end of the oil inlet hole is arranged on the outer side of the box body (1) to form the oil inlet, the other end of the oil inlet hole is communicated with the oil injection device, the lower end of the bearing oil hole is communicated with the oil inlet hole, and the upper end of the bearing oil hole is communicated with a corresponding bearing.
7. The high speed gearbox of claim 6, wherein: the oil injection device is characterized in that oil inlet holes and bearing oil holes are formed in two sides of the box body (1), the lower end of each bearing oil hole is communicated with the oil inlet hole on the corresponding side, the upper end of each bearing oil hole is communicated with the bearing on the corresponding side, one end of each oil inlet hole is arranged on the box body (1), oil inlets are formed in two sides of the box body (1), the other ends of the oil inlet holes are communicated with each other through the oil injection device, and any one oil inlet is closed through the blocking plate.
8. The high speed gearbox of claim 1 or 6, wherein: the oil injection device comprises a hard pipe (15) and a nozzle (17), wherein the hard pipe (15) is communicated with the lubricating channel, the nozzle (17) is installed on the hard pipe (15), and the nozzle (17) is arranged towards the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221077219.8U CN217108169U (en) | 2022-05-07 | 2022-05-07 | High-speed gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221077219.8U CN217108169U (en) | 2022-05-07 | 2022-05-07 | High-speed gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217108169U true CN217108169U (en) | 2022-08-02 |
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ID=82587383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221077219.8U Active CN217108169U (en) | 2022-05-07 | 2022-05-07 | High-speed gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217108169U (en) |
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2022
- 2022-05-07 CN CN202221077219.8U patent/CN217108169U/en active Active
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