CN218863190U - Planetary reducer special for ball mill - Google Patents
Planetary reducer special for ball mill Download PDFInfo
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- CN218863190U CN218863190U CN202223191872.XU CN202223191872U CN218863190U CN 218863190 U CN218863190 U CN 218863190U CN 202223191872 U CN202223191872 U CN 202223191872U CN 218863190 U CN218863190 U CN 218863190U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The utility model discloses a special planetary reducer of ball mill, include: the planetary gear type planetary gear transmission comprises a rack, an input shaft, a second-stage sun gear, a first-stage planet carrier, a second-stage planet carrier, a box body, a first-stage inner gear ring and a second-stage inner gear ring, wherein one end of the input shaft is connected with the first-stage sun gear; the first-stage planet carrier is connected with the second-stage sun gear, and the first-stage planet gear is meshed with the first-stage sun gear in an operable manner; the first bearing is arranged in a second-stage planet carrier, and a second-stage planet wheel is operably meshed with a second-stage sun wheel; the input shaft, the second-stage sun gear, the first-stage planet carrier and the second-stage planet carrier are all arranged in the box body; the first-stage planet gear is meshed with the first-stage inner gear ring; the second-stage planet gears are meshed with the second-stage inner gear rings. The utility model discloses comparing in traditional ball mill and having reduced the occupation of land, hiding the speed reducer in the barrel, simplifying the structure, reduce cost increases ball mill working capacity, raises the efficiency.
Description
Technical Field
The utility model relates to a technical field of speed reducer especially relates to a special planetary reducer of ball mill.
Background
The ball mill is horizontal cylindrical, has the characteristics of high operation efficiency, high ore grinding yield and the like, and therefore has an important position in the ore dressing industry all the time. But the devices such as the torque-increasing speed reducer, the large gear ring, the small gear and the like have relatively large occupied area and complex structure, and the competitiveness of the whole machine is reduced.
Therefore, a ball mill with simple structure and small floor area is needed at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a special planetary reducer of ball mill.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a planetary reducer dedicated for a ball mill, comprising:
the rack is fixedly arranged;
the input shaft is sleeved with a first bearing;
a second stage sun gear, the input shaft passing internally of the second stage sun gear;
one end of the input shaft is connected with the first-stage sun gear;
the first-stage planet carrier is connected with the second-stage sun gear, three first-stage planet gears are uniformly distributed on the periphery of the first-stage planet carrier, and the three first-stage planet gears are operably meshed with the first-stage sun gear;
the first bearing is arranged in the second-stage planet carrier, the second-stage planet carrier is fixedly arranged on the rack, four second-stage planet wheels are uniformly distributed on the periphery of the second-stage planet carrier, and the second-stage planet wheels are operably meshed with the second-stage sun wheel;
box, one-level ring gear and second grade ring gear, the box includes: the device comprises a front machine body, a middle machine body and an output flange, wherein the front machine body, the middle machine body and the output flange are sequentially arranged, a first-stage inner gear ring is arranged between the front machine body and the middle machine body, a second-stage inner gear ring is arranged between the middle machine body and the output flange, a pin is arranged on the first-stage inner gear ring and is connected with the front machine body, the first-stage inner gear ring and the middle machine body, a bolt is arranged on the second-stage inner gear ring, and the bolt is sequentially connected with the middle machine body, the second-stage inner gear ring and the output flange;
the input shaft, the second-stage sun gear, the first-stage planet carrier and the second-stage planet carrier are all coaxially arranged, and the input shaft, the second-stage sun gear, the first-stage planet carrier and the second-stage planet carrier are all arranged in the box body; the first-stage planet gear is meshed with the first-stage inner gear ring; the second-stage planet gears are meshed with the second-stage inner gear ring.
In the planetary reducer dedicated for the ball mill, the input shaft and the first-stage sun gear are in floating connection through a spline.
In the planetary reducer dedicated for the ball mill, the input shaft and the first-stage sun gear are in floating connection through a spline.
The planetary reducer special for the ball mill is characterized in that the first-stage planet carrier and the second-stage sun gear are connected through a crowned tooth.
The planetary reducer special for the ball mill is characterized in that the other end of the input shaft is connected with the fixed flange, and a first framework oil seal is arranged between the input shaft and the fixed flange.
The special planetary reducer for the ball mill is characterized in that a second framework oil seal and a V-shaped oil seal are sequentially arranged between the output flange and the second-stage planet carrier.
In the planetary reducer dedicated for the ball mill, after the power of the motor is input from the input shaft, a first power output path and a second power output path are formed;
the first power output path is: sequentially passing through the first-stage sun gear and the first-stage planet gear from the input shaft and finally reaching the first-stage inner gear ring;
the second power output path is: sequentially passing through the first-stage sun gear, the first-stage planet carrier, the second-stage sun gear and the second-stage planet gear from the input shaft to finally reach the second-stage inner gear ring;
and the power of the motor is input from the input shaft, passes through the first power output path and the second power output path, is transmitted to the output flange of the box body, and is finally transmitted to the cylinder of the ball mill.
The special planetary reducer for the ball mill is characterized in that one end of the input shaft is further provided with a labyrinth mechanical sealing cover, and the labyrinth mechanical sealing cover covers the first framework oil seal.
In the planetary reducer special for the ball mill, one end of the first-stage sun gear is connected with the cylinder of the ball mill, a ball bearing is arranged between the ball mill and the cylinder, and the second-stage sun gear is designed to be hollow.
In the planetary reducer dedicated for the ball mill, the first-stage planetary gear and the second-stage planetary gear are both provided with roller bearings.
The utility model discloses owing to adopted above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) Compared with the traditional ball mill, the utility model reduces the occupied area, and the speed reducer is hidden in the barrel body; the speed reducer, the coupler and the motor are on the same straight line, and the speed reducer directly drives the barrel, so that the structure is simplified, the cost is reduced, the working capacity of the ball mill is increased, and the efficiency is improved. The speed reducer is a special planetary speed reducer for a ball mill, which is designed for matching with building material equipment, and has the advantages of severe use environment and working condition, large designed output torque and high overload requirement.
Drawings
Fig. 1 is a schematic view of the planetary reducer dedicated for ball mill of the present invention.
Fig. 2 is a schematic view of a partially enlarged view of fig. 1 according to the present invention.
Fig. 3 is a schematic view of a partially enlarged view of fig. 1 according to the present invention.
Fig. 4 is a schematic diagram of the intelligent air-cooled lubricating and cooling control system of the planetary reducer special for the ball mill of the utility model.
In the drawings: 1. a front body; 2. a first stage sun gear; 3. a first-stage annular gear; 4. a first-stage planet wheel; 5. a first stage planet carrier; 6. a planet axle current limiting device; 7. a middle machine body; 8. a second-stage annular gear; 9. a second stage planet wheel; 10. an output flange; 11. a second framework oil seal; 12. a V-shaped oil seal; 13. a second stage planet carrier; 14. a first framework oil seal; 15. a labyrinth mechanical seal cover; 16. an intelligent air-cooled lubricating and cooling control system; 17. a temperature control sensor; 18. a vibration sensor; 19. a frame; 20. an input shaft; 21. a bolt; 22. a second stage sun gear; 23. a pin; 24. a ball bearing; 25. and (4) a cylinder body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, but not by way of limitation, fig. 1 is a schematic diagram of a planetary reducer dedicated for a ball mill according to the present invention; fig. 2 is a schematic view of a partially enlarged view of fig. 1 of the present invention; fig. 3 is a schematic view of a partially enlarged view of fig. 1 of the present invention; fig. 4 is the schematic diagram of the intelligent air-cooled lubricating and cooling control system of the planetary reducer for ball mill of the present invention, as shown in fig. 1 to 4, a planetary reducer for ball mill of a preferred embodiment is shown, which includes: the planetary gear train comprises a rack 19, an input shaft 20, a second-stage sun gear 22, a first-stage sun gear 2, a first-stage planet carrier 5, a second-stage planet carrier 13, a box body, a first-stage inner gear ring and a second-stage inner gear ring, wherein the rack 19 is fixedly arranged; the input shaft 20 is sleeved with a first bearing; the input shaft 20 passes through the second stage sun gear 22; one end of the input shaft 20 is connected with the first-stage sun gear 2; the first-stage planet carrier 5 is connected with the second-stage sun gear 22, three first-stage planet gears 4 are uniformly distributed on the periphery of the first-stage planet carrier 5, and the three first-stage planet gears 4 are operably meshed with the first-stage sun gear 2; the first bearing is arranged in a second-stage planet carrier 13, the second-stage planet carrier 13 is fixedly arranged on a rack 19, four second-stage planet wheels 9 are uniformly distributed on the periphery of the second-stage planet carrier 13, and the second-stage planet wheels 9 are operatively meshed with a second-stage sun wheel 22; the box includes: the device comprises a front machine body 1, a middle machine body 7 and an output flange 10, wherein the front machine body 1, the middle machine body 7 and the output flange 10 are sequentially arranged, a primary inner gear ring is arranged between the front machine body 1 and the middle machine body 7, a secondary inner gear ring is arranged between the middle machine body 7 and the output flange 10, a pin 23 is arranged on the primary inner gear ring, the pin 23 is connected with the front machine body 1, the primary inner gear ring and the middle machine body 7, a bolt 21 is arranged on the secondary inner gear ring, and the bolt 21 is sequentially connected with the middle machine body 7, the secondary inner gear ring and the output flange 10; the input shaft 20, the second-stage sun gear 22, the first-stage sun gear 2, the first-stage planet carrier 5 and the second-stage planet carrier 13 are coaxially arranged, and the input shaft 20, the second-stage sun gear 22, the first-stage sun gear 2, the first-stage planet carrier 5 and the second-stage planet carrier 13 are arranged in the box body; the first-stage planet wheel 4 is meshed with the first-stage inner gear ring 3; the second-stage planet gears 9 are meshed with the second-stage inner gear ring 8.
In a preferred embodiment, the input shaft 20 and the first stage sun gear 2 are floatingly connected by splines.
In a preferred embodiment, the input shaft 20 and the first stage sun gear 2 are floatingly connected by splines.
In a preferred embodiment, the first stage planet carrier 5 and the second stage sun gear 22 are connected by means of crowned teeth.
In a preferred embodiment, the other end of the input shaft 20 is connected to a fixed flange, and a first frame oil seal 14 is arranged between the input shaft 20 and the fixed flange.
In a preferred embodiment, a second framework oil seal 11 and a V-shaped oil seal 12 are sequentially arranged between the output flange 10 and the second-stage planet carrier 13.
In a preferred embodiment, the power of the motor is input from the input shaft 20 to form a first power output path and a second power output path;
in a preferred embodiment, the first power output path is: the input shaft 20 sequentially passes through the first-stage sun gear 2 and the first-stage planet gear 4 and finally reaches the first-stage inner gear ring 3;
in a preferred embodiment, the second power output path is: the input shaft 20 sequentially passes through a first-stage sun gear 2, a first-stage planet gear 4, a first-stage planet carrier 5, a second-stage sun gear 22 and a second-stage planet gear 9, and finally reaches a second-stage inner gear ring 8;
in a preferred embodiment, the power of the motor is input from the input shaft 20, transmitted to the output flange 10 of the box body through the first power output path and the second power output path, and finally transmitted to the cylinder 25 of the ball mill.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, a labyrinth mechanical seal cover 15 is further disposed on one end of the input shaft 20, and the labyrinth mechanical seal cover 15 covers the first skeleton oil seal 14.
The utility model discloses a further embodiment, the one end of first order sun gear 2 and the barrel 25 of ball mill are connected, are equipped with ball bearing 24 between ball mill and the barrel 25, and second level sun gear 22 adopts hollow design.
The utility model discloses a further embodiment, all assembles roller bearing in first order planet wheel 4 and the second level planet wheel 9.
In a preferred embodiment, the ball mill is in a horizontal cylindrical shape, has the characteristics of high operation efficiency, high ore grinding yield and the like, and therefore always plays an important role in the ore dressing industry. But the devices such as the torque-increasing speed reducer, the large gear ring, the small gear and the like have relatively large occupied area and complex structure, and the competitiveness of the whole machine is reduced. In order to reduce the floor space of the device, a speed reducer is built in the cylinder 25. The speed reducer, the coupling and the motor are on the same straight line, and the speed reducer directly drives the cylinder 25, so that the structure is simplified, the cost is reduced, the working capacity of the ball mill is increased, and the efficiency is improved. The speed reducer is a special planetary speed reducer for a ball mill, which is designed for being matched with building material equipment, and has the advantages of severe use environment and working condition, large designed output torque and high overload requirement.
In a preferred embodiment, the box body comprises a front machine body 1, a middle machine body 7 and an output flange 10, wherein a first-stage inner gear ring 3 is arranged between the front machine body 1 and the middle machine body 7, and a second-stage inner gear ring 8 is arranged between the middle machine body 7 and the output flange 10 and is respectively connected with the middle machine body 1 and the middle machine body 7 through a pin 23 and a bolt 21. The input shaft 20, the planetary carriers, the sun gears and the second-stage planetary carrier 13 are coaxial, the input shaft 20 is mounted on the second-stage planetary carrier 13 through a bearing, the input shaft 20 penetrates through the center of the second-stage sun gear 22 to be in floating connection with the first-stage sun gear 2 through a spline, the first-stage planetary carrier 5 and the second-stage sun gear 22 are in connection through drum-shaped teeth, and the second-stage planetary carrier 13 is fixed on the rack 19. Three planet gears are uniformly distributed on the periphery of the first-stage planet carrier 5, four planet gears are uniformly distributed on the periphery of the second-stage planet carrier 13, and each planet gear is normally meshed with the corresponding inner gear ring and the sun gear at the same stage respectively; a first framework oil seal 14 is arranged between the input shaft 20 and the fixed flange, and a second framework oil seal 11 is arranged between the output flange 10 and the second-stage planet carrier 13 and is provided with a V-shaped oil seal 12 to prevent foreign matters from entering and damaging the oil seals. After the power of the motor is input from the input shaft 20, a part of power is shunted and transmitted to the first-stage inner gear ring 3 from the first-stage sun gear 2 through the first-stage planet gear 4; the other part of power is transmitted to a second-stage sun gear 22 through a first-stage planet carrier 5, then transmitted to a second-stage inner gear ring 8 through a second-stage planet gear 9; then the power of the two parts is converged to the box body and is transmitted to the cylinder 25 of the ball mill through the output flange 10, and the ball mill is driven to work.
In a preferred embodiment, the input shaft 20 has a large diameter and a high rotation speed, and a skeleton oil seal and a labyrinth mechanical seal cover 15 are provided to ensure the reliability of the seal in order to prevent the leakage of the lubricating oil. The high-rotating-speed end of the first-stage sun gear 2 is supported and limited by a ball bearing 24, so that the floating sensitivity is ensured; the second-stage sun gear 22 is hollow, so that the weight is reduced, the floating is more sensitive, and the bearing is uniform; the roller bearing is assembled in the planet wheel, the outer diameter size is small, and the service life and the bearing capacity are higher than those of the needle bearing. The speed reducer is provided with an intelligent air-cooled lubrication cooling control system 16, so that the monitoring of the whole life cycle is realized; a temperature control sensor 17 is mounted on the second-stage planet carrier 13 to detect the temperature of the lubricating oil in the box body, when the temperature of the lubricating oil reaches a set maximum value, the external cooling circulation system is started to enable the lubricating oil to return to the box body after being cooled externally to reduce the temperature of the internal lubricating oil, and when the temperature of the lubricating oil in the box body is reduced to a required value, the external cooling system is closed, so that the purpose of energy conservation is achieved, and the use cost is saved; the speed reducer adopts a cooling and lubricating mode combining oil immersion and forced lubrication, and the box body has the functions of sealing an internal gear and storing lubricating oil, so that the cost is saved; lubricating oil enters the oil inlet and then is ensured to be lubricated by the planet wheel bearing and the pressure of the lubricating oil outlet through the planet shaft flow limiting device 6. The vibration sensor 18 monitors the vibration condition of the internal main bearing, finds abnormality in advance, maintains in advance and avoids loss.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a special planetary reducer of ball mill which characterized in that includes:
the rack is fixedly arranged;
the input shaft is sleeved with a first bearing;
a second stage sun gear, the input shaft passing internally of the second stage sun gear;
one end of the input shaft is connected with the first-stage sun gear;
the first-stage planet carrier is connected with the second-stage sun gear, three first-stage planet gears are uniformly distributed on the periphery of the first-stage planet carrier, and the three first-stage planet gears are operably meshed with the first-stage sun gear;
the first bearing is arranged in the second-stage planet carrier, the second-stage planet carrier is fixedly arranged on the rack, four second-stage planet wheels are uniformly distributed on the periphery of the second-stage planet carrier, and the second-stage planet wheels are operably meshed with the second-stage sun wheel;
box, first order ring gear and second level ring gear, the box includes: the front engine body, the middle engine body and the output flange are sequentially arranged, the first-stage inner gear ring is arranged between the front engine body and the middle engine body, the second-stage inner gear ring is arranged between the middle engine body and the output flange, a pin is arranged on the first-stage inner gear ring and is connected with the front engine body, the first-stage inner gear ring and the middle engine body, a bolt is arranged on the second-stage inner gear ring, and the bolt is sequentially connected with the middle engine body, the second-stage inner gear ring and the output flange;
the input shaft, the second-stage sun gear, the first-stage planet carrier and the second-stage planet carrier are all coaxially arranged, and the input shaft, the second-stage sun gear, the first-stage planet carrier and the second-stage planet carrier are all arranged in the box body; the first-stage planet gear is meshed with the first-stage inner gear ring; the second-stage planet gear is meshed with the second-stage inner gear ring.
2. A planetary reducer for a ball mill according to claim 1, wherein the input shaft and the first-stage sun gear are connected by spline floating.
3. A planetary reducer for a ball mill according to claim 1, wherein the input shaft and the first-stage sun gear are connected by spline floating.
4. A planetary reducer for ball mills according to claim 1, wherein the first-stage planetary carrier and the second-stage sun gear are connected by a crowned tooth.
5. The planetary reducer for a ball mill according to claim 1, wherein the other end of the input shaft is connected to a fixed flange, and a first skeleton oil seal is provided between the input shaft and the fixed flange.
6. The planetary reducer special for the ball mill as claimed in claim 5, wherein a second skeleton oil seal and a V-shaped oil seal are sequentially arranged between the output flange and the second-stage planet carrier.
7. A planetary reducer for a ball mill according to claim 1, wherein power of a motor is inputted from the input shaft to form a first power output path and a second power output path;
the first power output path is: sequentially passing through the first-stage sun gear and the first-stage planet gear from the input shaft and finally reaching the first-stage inner gear ring;
the second power output path is: sequentially passing through the first-stage sun gear, the first-stage planet carrier, the second-stage sun gear and the second-stage planet gear from the input shaft to finally reach the second-stage inner gear ring;
and the power of the motor is input from the input shaft, passes through the first power output path and the second power output path, is transmitted to the output flange of the box body, and is finally transmitted to the cylinder of the ball mill.
8. A planetary reducer for ball mills according to claim 6, wherein a labyrinth mechanical seal cover is further provided at one end of the input shaft, and the labyrinth mechanical seal cover covers the first skeleton oil seal.
9. A planetary reducer for ball mills according to claim 7, wherein one end of the first-stage sun gear is connected to the cylinder of the ball mill, a ball bearing is provided between the ball mill and the cylinder, and the second-stage sun gear is hollow.
10. The planetary reducer special for the ball mill as claimed in claim 1, wherein the first stage planetary gear and the second stage planetary gear are each provided with a roller bearing therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191872.XU CN218863190U (en) | 2022-11-30 | 2022-11-30 | Planetary reducer special for ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191872.XU CN218863190U (en) | 2022-11-30 | 2022-11-30 | Planetary reducer special for ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218863190U true CN218863190U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223191872.XU Active CN218863190U (en) | 2022-11-30 | 2022-11-30 | Planetary reducer special for ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218863190U (en) |
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2022
- 2022-11-30 CN CN202223191872.XU patent/CN218863190U/en active Active
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