CN218094125U - Vertical speed reducer with expansion oil tank - Google Patents
Vertical speed reducer with expansion oil tank Download PDFInfo
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- CN218094125U CN218094125U CN202221883888.4U CN202221883888U CN218094125U CN 218094125 U CN218094125 U CN 218094125U CN 202221883888 U CN202221883888 U CN 202221883888U CN 218094125 U CN218094125 U CN 218094125U
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Abstract
The utility model discloses a vertical speed reducer with expansion oil tank, including box and expansion oil tank, be equipped with many vertical arrangements and the transmission shaft that the meshing is connected in the box, be equipped with expansion oil tank on the box top surface, expansion oil tank communicates with each other with the box, expansion oil tank is the cylinder, the top of expansion oil tank is equipped with the ventilative cap, is equipped with oil spilling mouth and oil return opening on expansion oil tank's the global, and oil spilling mouth is higher than the oil return opening, is connected through oil spilling pipeline between oil spilling mouth and the box, is connected through oil return pipeline between oil return opening and the box, and the lubricated liquid in the box flows into expansion oil tank through oil spilling pipeline, and the hot air that the lubricated liquid produced outwards discharges through top ventilative cap, and the lubricating oil in the expansion oil tank flows back to the box from the top through oil return pipeline, lubricates the bearing at transmission shaft top; the utility model discloses can be to the bearing at speed reducer box top fully lubricated, the hot-air of discharge prevents that lubricating oil from spilling over, keeps the clean of production site.
Description
Technical Field
The utility model belongs to the speed reducer field of making, concretely relates to vertical speed reducer with inflation oil tank.
Background
The vertical speed reducer is a speed reducer which is installed in a vertical mode, is generally fixed by a flange plate, is mainly used for a crane running mechanism, and can also be used for running mechanisms of various mechanical equipment such as transportation, metallurgy, mines, chemical engineering, light industry and the like. The gear and the gear shaft adopt medium carbon alloy steel medium hard tooth surfaces, and have the advantages of compact structure, higher bearing capacity and the like; the vertical speed reducer adopts vertical installation, and the input is connected for the connector, and the output is up, because there is one row of bearing at the box top surface during the installation, must fill up the normal lubrication of bearing above lubricating oil could guarantee inside the speed reducer, and when the speed reducer after the operation in-process generates heat, inside lubricating oil can spill over the box through ventilative cap, pollutes the production site.
Disclosure of Invention
To the problem and the technical demand, the utility model provides a vertical speed reducer with inflation oil tank can prevent that lubricating oil from spilling over to top surface bearing fully lubricated, keeps the clean of production field.
The technical scheme of the utility model as follows: the utility model provides a vertical speed reducer with inflation oil tank, includes box and inflation oil tank, is equipped with many vertical transmission shafts of arranging and meshing connection in the box, is equipped with the inflation oil tank on the box top surface, and the inflation oil tank communicates with each other with the box, the inflation oil tank is the cylinder, and the top of inflation oil tank is equipped with ventilative cap, is equipped with oil overflow mouth and oil return opening on the global of inflation oil tank, and the oil overflow mouth is higher than the oil return opening, is connected through oil overflow pipe between oil overflow mouth and the box, is connected through oil return pipe between oil return opening and the box, and lubricated liquid in the box flows into the inflation oil tank through oil overflow pipe way, and the hot-air that lubricated liquid produced outwards discharges through top ventilative cap, and the lubricating oil in the inflation oil tank flows back to the box in the top through oil return pipe, lubricates the bearing at transmission shaft top. In this scheme, through setting up the inflation oil tank at the box top, can get into the inflation oil tank after inside air of speed reducer and lubricating oil are heated, the hot-air can be through the ventilative cap discharge box at inflation oil tank top, has both guaranteed the normal lubrication of above-mentioned bearing, has solved lubricating oil again and has spilled over the problem that causes the pollution.
Furthermore, the upper end of the oil return pipeline is connected with the oil return port, the lower section of the oil return pipeline is forked into a plurality of branch pipes, and the lower ports of the branch pipes are respectively connected to different positions of the top surface of the box body to lubricate different bearings on the inner top surface of the box body. Adopt a plurality of branch flow pipes, can be accurate lubricated to the bearing of difference, reach more even lubricated effect.
Furthermore, the top surface of the expansion oil tank is provided with a vertical oil filling pipe, the inner diameter of the ventilation cap is larger than the outer diameter of the oil filling pipe, the ventilation cap is covered on the oil filling pipe, and expanded hot air pushes the ventilation cap upwards and escapes outwards through an annular space between the ventilation cap and the oil filling pipe. The speed reducer opens the ventilation cap before the operation, inwards pours lubricating oil from the oiling pipe, the oiling finishes and covers the ventilation cap again, ventilation cap itself has the dead weight, initial condition under the effect of dead weight is to cover on the oiling pipe, the inflation oil tank is plugged up, when hot-air gathers in the inflation oil tank and reaches sufficient pressure, just can open the ventilation cap, automatic outside exhaust, can keep the seal of inflation oil tank, can discharge unnecessary hot-air again, keep the pressure balance in box and the oil tank.
Further, be equipped with input shaft, first transmission shaft, secondary drive axle and output shaft from a left side to the right side in proper order in the box, the input shaft is connected with first transmission shaft meshing, and first transmission shaft is connected with the secondary drive axle meshing, and the secondary drive axle is connected with the output shaft meshing, and both ends all are equipped with a self-aligning roller bearing about the secondary drive axle, and the expansion tank bottom surface is just facing the self-aligning roller bearing of upper end, and the expansion tank bottom surface is equipped with the oilhole, and lubricating oil passes through the oilhole and lubricates the self-aligning roller bearing.
Furthermore, the lower section of the return line is branched into two paths, and the two paths are respectively connected to the bearings at the tops of the first transmission shaft and the output shaft. Because the two bearings of the input shaft are not arranged in the inner cavity of the box body, only the bearings on the first transmission shaft, the second transmission shaft and the output shaft need to be considered when the lubricating pipeline is arranged; lubricating liquid in the expansion oil tank can lubricate a bearing at the top of the second transmission shaft by permeating downwards through the oil hole, and the two branch pipes respectively lubricate the bearings at the tops of the first transmission shaft and the output shaft at the left side and the right side, so that the bearings at the three positions can achieve a better lubricating effect.
Furthermore, an upper oil level observation hole and a lower oil level observation hole are formed in the expansion oil tank in the vertical direction, and the oil level of lubricating oil in the expansion oil tank is not lower than the lower oil level observation hole when the speed reducer runs. Through because there is the cavity in the speed reducer box, when adding lubricating oil through the oil filler pipe for the first time, gaseous difficult whole discharge in the cavity, when the speed reducer operation, the air in the cavity is heated and expands, lubricating oil flows in the cavity and can extrude the air that does not discharge, make the air in the box discharge to the expansion tank in through the oil overflow pipeline, the rethread ventilation cap discharges, so, the oil level in the expansion tank will descend, for the oil level in the accurate observation expansion tank, guarantee to have enough lubricating oil in the expansion tank always, set up two oil level observation holes one above the other on the expansion tank, when refueling, add the fluid observation hole department above, along with speed reducer operating duration extension, the air in the case lasts outwards discharges, the oil level lasts to descend and fills the original cavity volume in the case, it observes for a period of time, until the oil level is stable, and guarantee that the oil level after the stability also exceedes the fluid observation hole of below.
Furthermore, an oil drain valve is arranged below the side face of the box body. The oil drain valve can drain the lubricating oil in the box body.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model arranges the expansion oil tank on the top of the speed reducer box body, and communicates the top surface of the box body with the expansion oil tank through the oil overflow pipeline, when the lubricating oil is heated, the overflowed oil and hot air can enter the expansion oil tank through the oil overflow pipeline, and the box body can not be overflowed to cause pollution; when reaching certain pressure in the expansion tank, the hot-air can prevent that the expansion tank is impaired through the automatic outside discharge of the ventilative cap of back-open, and during lubricating liquid in the expansion tank flowed into the box downwards through a plurality of branch flow pipes of oilhole and return line respectively, adopted the mode of drenching, corresponds the lubrication to the different bearings of reducing gear box top surface, has guaranteed the normal lubrication of top bearing.
Drawings
Fig. 1 is an internal structure diagram of the vertical speed reducer with the expansion oil tank of the present invention;
fig. 2 is a vertical external view of the vertical speed reducer with the expansion oil tank of the present invention;
FIG. 3 is a top view of the vertical speed reducer with expansion tank of the present invention;
fig. 4 is a schematic structural view of the ventilation cap of the vertical speed reducer with the expansion oil tank of the present invention;
labeled as: the oil level measuring device comprises a box body 1, an oil spilling pipeline 11, an oil returning pipeline 12, a branch pipeline 13, an expansion oil tank 2, an oil filling pipe 21, a ventilating cap 22, an oil spilling opening 23, an oil returning opening 24, an oil level observation hole 25, an oil drain valve 14, an input shaft 3, a first transmission shaft 4, a second transmission shaft 5, a self-aligning roller bearing 51 and an output shaft 6.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-4, the utility model discloses vertical speed reducer with expansion tank, including box 1 and expansion tank 2, be equipped with expansion tank 2 on the 1 top surface of box, expansion tank 2 communicates with each other with box 1, expansion tank 2 is the cylinder, and the top of expansion tank 2 is equipped with ventilative cap 22, is equipped with oil spilling 23 and oil return opening 24 on expansion tank 2 global, and oil spilling 23 is higher than oil return opening 24.
The oil overflow port 23 is connected with the box body 1 through an oil overflow pipeline 11, the oil return port 24 is connected with the box body 1 through an oil return pipeline 12, specifically, the upper end of the oil return pipeline 12 is connected with the oil return port 24, the lower section of the oil return pipeline 12 is forked into a plurality of branch flow pipes 13, and ports at the lower ends of the branch flow pipes 13 are respectively connected at different positions of the top surface of the box body 1 to lubricate different bearings of the inner top surface of the box body 1. Lubricating liquid in the box 1 flows into the expansion oil tank 2 through the oil overflow pipeline 11, hot air generated by the lubricating liquid is discharged outwards through the top ventilation cap 22, lubricating oil in the expansion oil tank 2 flows back into the box 1 from the top through the oil return pipeline 12, a plurality of branch pipes 13 are adopted for lubricating a bearing at the top of the transmission shaft, and the lubricating oil can be used for accurately lubricating different bearings to achieve a more uniform lubricating effect.
Be equipped with the transmission shaft that many vertical range and meshing are connected in the box 1, be equipped with input shaft 3 from a left side right side in the box 1 in proper order, first transmission shaft 4, secondary drive axle 5 and output shaft 6, input shaft 3 is connected with the meshing of first transmission shaft 4, first transmission shaft 4 is connected with the meshing of secondary drive axle 5, secondary drive axle 5 is connected with the meshing of output shaft 6, both ends all are equipped with an aligning roller bearing 51 about secondary drive axle 5, the aligning roller bearing 51 of upper end is just faced to expansion tank 2 bottom surface, expansion tank 2 bottom surface is equipped with the oilhole (not shown in the figure), lubricating oil passes through the oilhole and lubricates aligning roller bearing 51. The lower section of the return pipeline 12 is branched into two paths, and the two paths are respectively connected to the bearings at the tops of the first transmission shaft 4 and the output shaft 6. Lubricating liquid in the expansion oil tank 2 can lubricate a bearing at the top of the second transmission shaft 5 by permeating downwards through an oil hole, and the two branch flow pipes 13 respectively lubricate bearings at the tops of the first transmission shaft 4 and the output shaft 6 at the left side and the right side, so that the bearings at the three positions can achieve a better lubricating effect.
The top surface of the expansion oil tank 2 is provided with a vertical oil filling pipe 21, the inner diameter of the ventilation cap 22 is larger than the outer diameter of the oil filling pipe 21, the ventilation cap 22 covers the oil filling pipe 21, and expanded hot air pushes the ventilation cap 22 upwards and escapes outwards through an annular space between the ventilation cap 22 and the oil filling pipe 21. The ventilation cap 22 has self weight, and the initial state under the action of the self weight is covered on the oil filling pipe 21 to block the expansion oil tank 2, when hot air is accumulated in the expansion oil tank to reach enough pressure, the ventilation cap 22 can be pushed open to automatically exhaust outwards, so that the tightness of the expansion oil tank 2 can be maintained, redundant hot air can be exhausted, and the pressure balance in the tank body 1 and the oil tank can be maintained.
And an oil drain valve 14 is arranged below the side surface of the box body 1, and the oil drain valve 14 can drain the lubricating oil in the box body 1. Two upper and lower oil level observation holes 25 are arranged in the expansion oil tank 2 along the vertical direction, and the oil level of lubricating oil in the expansion oil tank 2 is not lower than the oil level observation holes 25 below when the speed reducer works.
The utility model discloses the working process: before the speed reducer operates, the ventilation cap 22 is removed, the expansion oil tank 2 is oiled through the oil filling pipe 21, lubricating oil flows into the tank body 1 through the oil return pipeline 12, and as a cavity exists in the tank body 1, the oil is added to the oil observation hole 25 above the oil tank during first oiling; the speed reducer starts to operate, the ventilating cap 22 is covered, air in the cavity is heated to expand, residual air in the box body is extruded out and enters the expansion oil tank 2 from the oil overflow pipeline 11, the air is discharged outwards through the ventilating cap 22, the hot air and the residual air are continuously discharged along with the extension of operation time, the oil level in the expansion oil tank 2 is continuously reduced, the original cavity in the box body 1 is filled, in order to guarantee the continuous lubricating effect on the bearing, the lowest oil level in the expansion oil tank 2 is not lower than the oil level observation hole 25 below, otherwise, oil is injected inwards in time, and the oil level is kept stable; the transmission shafts in the speed reducer box body 1 run to generate heat, lubricating oil and internal air enter the expansion oil tank 2 through the oil overflow pipeline 11 after being heated, the ventilation cap 22 is pushed upwards by the hot air to be discharged out of the expansion oil tank 2, the lubricating oil in the expansion oil tank 2 falls back to the bottom of the oil tank and respectively flows back to the box body 1 through the oil hole and the oil return pipeline 12, and the return path passes through the bearings at the tops of the transmission shafts, so that the bearings at the tops are fully lubricated, and the normal running of the bearings is maintained.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a vertical speed reducer with inflation oil tank which characterized in that: including box and inflation oil tank, be equipped with many vertical transmission shafts of arranging and meshing connection in the box, be equipped with the inflation oil tank on the box top surface, the inflation oil tank communicates with each other with the box, the inflation oil tank is the cylinder, and the top of inflation oil tank is equipped with ventilative cap, is equipped with oil overflow mouth and oil return opening on the global of inflation oil tank, and the oil overflow mouth is higher than the oil return opening, is connected through oil overflow pipe between oil overflow mouth and the box, is connected through back oil pipe between oil return opening and the box, and lubricated liquid in the box flows into the inflation oil tank through oil overflow pipe way, and the hot-air that lubricated liquid produced outwards discharges through the ventilative cap in top, and the lubricating oil in the inflation oil tank flows back to the box in from the top through back oil pipe, lubricates the bearing at transmission shaft top.
2. The vertical speed reducer with the expansion oil tank as claimed in claim 1, wherein: the upper end of the oil return pipeline is connected with an oil return port, the lower section of the oil return pipeline is forked into a plurality of branch pipes, and the lower ports of the branch pipes are connected to different positions of the top surface of the box body respectively to lubricate different bearings of the inner top surface of the box body.
3. The vertical speed reducer with the expansion oil tank as claimed in claim 2, wherein: the top surface of the expansion oil tank is provided with a vertical oil filling pipe, the inner diameter of the ventilation cap is larger than the outer diameter of the oil filling pipe, the ventilation cap is covered on the oil filling pipe, and expanded hot air pushes the ventilation cap upwards and escapes outwards through an annular space between the ventilation cap and the oil filling pipe.
4. The vertical speed reducer with the expansion oil tank as claimed in claim 3, wherein: the oil tank is characterized in that an input shaft, a first transmission shaft, a second transmission shaft and an output shaft are sequentially arranged in the tank body from left to right, the input shaft is meshed with the first transmission shaft, the first transmission shaft is meshed with the second transmission shaft, the second transmission shaft is meshed with the output shaft, two aligning roller bearings are arranged at the upper end and the lower end of the second transmission shaft, the bottom surface of the expansion oil tank faces the aligning roller bearing at the upper end, an oil hole is formed in the bottom surface of the expansion oil tank, and lubricating oil lubricates the aligning roller bearings through the oil hole.
5. The vertical speed reducer with the expansion oil tank as claimed in claim 4, wherein: the lower section of the backflow pipeline is branched into two paths and is respectively connected to the bearings at the tops of the first transmission shaft and the output shaft.
6. The vertical speed reducer with the expansion oil tank as claimed in claim 1, wherein: an upper oil level observation hole and a lower oil level observation hole are formed in the expansion oil tank in the vertical direction, and the oil level of lubricating oil in the expansion oil tank is not lower than the lower oil level observation hole when the speed reducer runs.
7. The vertical speed reducer with the expansion oil tank as claimed in claim 1, wherein: and an oil drain valve is arranged below the side surface of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221883888.4U CN218094125U (en) | 2022-07-21 | 2022-07-21 | Vertical speed reducer with expansion oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221883888.4U CN218094125U (en) | 2022-07-21 | 2022-07-21 | Vertical speed reducer with expansion oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094125U true CN218094125U (en) | 2022-12-20 |
Family
ID=84482332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221883888.4U Active CN218094125U (en) | 2022-07-21 | 2022-07-21 | Vertical speed reducer with expansion oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094125U (en) |
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2022
- 2022-07-21 CN CN202221883888.4U patent/CN218094125U/en active Active
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