CN211082717U - Gear box for tower mill - Google Patents
Gear box for tower mill Download PDFInfo
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- CN211082717U CN211082717U CN201922293606.XU CN201922293606U CN211082717U CN 211082717 U CN211082717 U CN 211082717U CN 201922293606 U CN201922293606 U CN 201922293606U CN 211082717 U CN211082717 U CN 211082717U
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- gear
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- planetary gear
- oil
- gear set
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Abstract
The utility model provides a gear box for tower mill, including casing, input shaft, output shaft, gear shaft and two-stage planetary gear drive, input shaft, gear shaft, output shaft coaxial line, the gear shaft is located between input shaft and the output shaft, two-stage planetary gear drive includes one-level planetary gear set and second grade planetary gear set, is provided with one-level ring gear and second grade ring gear in the casing, one-level planetary gear set's one-level planet pinion meshes with the gear of one-level ring gear, input shaft tip, and the axis of rotation and the gear shaft one end fixed connection of one-level planet pinion are provided with gear two on the gear shaft other end, and second grade planetary gear set's second grade planet pinion meshes with second grade ring gear, gear two, second grade planet pinion's axis of rotation and output shaft one. The utility model provides a gear box for tower mill that is provided with lubricating oil, long service life among high, the drive gear group of transmission efficiency.
Description
Technical Field
The utility model relates to a gear box technical field, a gear box for tower mill specifically says so.
Background
The tower mill or vertical mill is mainly used for two-stage ore grinding or regrinding operation in metal ore dressing plants. The tower mill mainly comprises a transmission system, a tower body, a spiral stirrer, a protective lining and the like. Wherein the gear box is used as a core transmission system of the tower mill, and the power transmission efficiency of the gear box can influence the ore grinding production efficiency. The gear box of the tower mill in the prior art is usually driven by a translation gear, the transmission is not high, and the transmission gear is easy to lose and has short service life.
Therefore, it is necessary to design a gear box for a tower mill, which has high transmission efficiency, is provided with lubricating oil in a transmission gear set, and has a long service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be provided with lubricating oil, long service life's gear box for tower mill among high, the drive gear group of transmission efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a gear box for tower mill, includes casing, input shaft, output shaft, gear shaft and two-stage planetary gear drive, input shaft, gear shaft, output shaft coaxial line, the gear shaft is located between input shaft and the output shaft, two-stage planetary gear drive includes one-level planetary gear set and second grade planetary gear set, is provided with one-level ring gear and second grade ring gear in the casing, one-level planetary gear set's one-level planet pinion meshes with the gear one of one-level ring gear, input shaft tip, and the axis of rotation and gear shaft one end fixed connection of one-level planet pinion are provided with gear two on the gear shaft other end, and second grade planetary gear set's second grade planet pinion meshes with second grade ring gear, gear two, and second grade planet pinion's axis of rotation.
Through adopting above-mentioned technical scheme, adopt two-stage planetary gear set to carry out the transmission, the power supply is to input shaft input power, order about the input shaft transmission, the input shaft drives one-level planetary gear set and rotates, the rotatory rotation of input shaft transmits to one-level planet pinion, one-level planet pinion meshes rotatory removal with certain angular velocity along one-level ring gear, the axis of rotation of one-level planet pinion rotates along the axis of one-level ring gear, thereby drive the gear shaft and rotate, accomplish one-level planetary gear set's variable speed transmission from this, likewise, gear shaft and two-stage planet pinion rotate, with the same variable speed rotation of driving the output shaft that keeps away from, two-stage planetary gear set has improved the transmission.
As the utility model discloses a further setting is provided with the immersion oil cavity in the casing, one-level planetary gear set and second grade planetary gear set up in the immersion oil cavity.
By adopting the technical scheme, lubricating oil is injected into the oil immersion cavity, and the primary planetary gear set and the secondary planetary gear set are both immersed in the lubricating oil, so that the lubricating property of the planetary gear set is improved, the service life of the gear set is prolonged, and the rotating noise of the gear set is reduced.
As the utility model discloses a further setting still includes into oil pipe and oil outlet pipe, it is overhanging to the immersion oil cavity by the casing to advance oil pipe, oil outlet pipe stretches out outside the casing by the immersion oil cavity.
By adopting the technical scheme, the oil inlet and outlet pipeline is convenient for injecting lubricating oil into the oil immersion cavity of the shell, the oil temperature can be controlled by the other party, when the oil temperature is too high, cold oil is injected into the oil immersion cavity, hot oil which generates heat by gear transmission is replaced, and the oil cooling effect and the improved working efficiency are achieved for the transmission gear.
As a further arrangement of the utility model, the oil immersion device also comprises an air duct which extends from the outside of the shell to the oil immersion cavity.
Through adopting above-mentioned technical scheme, vent pipe realizes the pressure balance of immersion oil cavity, and when lacking vent pipe, the oil in the immersion oil cavity can't be filled, and the air can oxidation gear in the immersion oil cavity to stir to lubricating oil easily when gear drive, the noise production influences the stability of device.
As the utility model discloses a further setting still includes temperature measuring device, temperature measuring device's measuring end stretches into in the immersion oil cavity.
As a further arrangement of the utility model, the temperature measuring device is a platinum thermal resistor.
By adopting the technical scheme, an operator can conveniently know the oil temperature of the lubricating oil in the oil immersion cavity from the shell, the oil inlet and the oil outlet of the lubricating oil are controlled according to the working condition, the platinum thermal resistor is small and exquisite, the occupied space is small, the temperature sensing is sensitive, and the reliability of the device is improved.
The beneficial effect of this scheme is: the device adopts a two-stage planetary gear set for transmission, a power source inputs power to an input shaft to drive the input shaft for transmission, the input shaft drives a first-stage planetary gear set to rotate, the rotary rotation of the input shaft is transmitted to a first-stage planetary pinion gear, the first-stage planetary pinion gear is meshed with the first-stage gear ring at a certain angular speed to rotate and move, and the rotary shaft of the first-stage planetary pinion gear rotates along the axis of the first-stage gear ring so as to drive a gear shaft to rotate, thereby completing the variable speed transmission of the first-stage planetary gear set, similarly, the gear shaft and the second-stage planetary pinion gear rotate to finally drive an output shaft to rotate at a variable speed by the same distance, the transmission efficiency of the device is improved by the two-stage planetary gear set, the transmission efficiency is high, larger load can be borne, and the, the first-stage planetary gear set and the second-stage planetary gear set are soaked in lubricating oil, so that the lubricating property of the planetary gear set is improved, the service life of the gear set is prolonged, and the rotating noise of the gear set is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic sectional structure view of a gear box for a tower mill according to the present invention.
In the figure, 1, a shell, 2, an input shaft, 3, an output shaft, 4, a gear shaft, 5, a two-stage planetary gear transmission mechanism, 6, a first-stage planetary gear set, 7, a second-stage planetary gear set, 8, a first-stage gear ring, 9, a second-stage gear ring, 10, a first-stage planetary pinion, 11, a first gear, 12, a second gear, 13, a second-stage planetary pinion, 14, an oil immersion cavity, 15, an oil inlet pipeline, 16, an oil outlet pipeline, 17, an air vent pipeline, 18 and a temperature measuring device are arranged.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a gear box for tower mill, including casing 1, input shaft 2, output shaft 3, gear shaft 4 and two-stage planetary gear transmission mechanism 5, input shaft 2, gear shaft 4, output shaft 3 are coaxial, gear shaft 4 is located between input shaft 2 and output shaft 3, two-stage planetary gear transmission mechanism 5 includes one-level planetary gear set 6 and two-stage planetary gear set 7, is provided with one-level ring gear 8 and two-stage ring gear 9 in the casing 1, one-level planetary pinion 10 of one-level planetary gear set 6 meshes with one-level ring gear 8, the gear 11 of input shaft 2 tip, the axis of rotation of one-level planetary pinion 10 and gear shaft 4 one end fixed connection, be provided with gear two 12 on the gear shaft 4 other end, the second level planetary pinion 13 of two-stage planetary gear set 7 meshes with two-stage ring gear 9, gear two 12, the rotating shaft of the secondary planet pinion 13 is fixedly connected with one end of the output shaft 3.
Specifically, an oil immersion cavity 14 is formed in the housing 1, and the primary planetary gear set 6 and the secondary planetary gear set 7 are arranged in the oil immersion cavity 14.
Specifically, the oil-gas separator further comprises an oil inlet pipeline 15 and an oil outlet pipeline 16, wherein the oil inlet pipeline 15 extends from the shell 1 to the oil immersion cavity 14, and the oil outlet pipeline 16 extends from the oil immersion cavity 14 to the outside of the shell 1.
In particular, the oil immersion device further comprises an air duct 17, wherein the air duct 17 extends from the outside of the shell 1 to the oil immersion cavity 14.
Specifically, the device further comprises a temperature measuring device 18, wherein a measuring end of the temperature measuring device 18 extends into the oil immersion cavity 14, and the temperature measuring device 18 is a platinum thermistor.
The working principle is as follows: the device adopts a two-stage planetary gear set for transmission, a power source inputs power to an input shaft 2 to drive the input shaft 2 for transmission, the input shaft 2 drives a first-stage planetary gear set 6 to rotate, the rotary rotation of the input shaft 2 is transmitted to a first-stage planetary pinion 10, the first-stage planetary pinion 10 is meshed with and rotates at a certain angular speed along a first-stage gear ring 8, the rotary shaft of the first-stage planetary pinion 10 rotates along the axis of the first-stage gear ring 8 to drive a gear shaft 4 to rotate, thereby completing the variable speed transmission of the first-stage planetary gear set 6, similarly, the gear shaft 4 and a second-stage planetary pinion 13 rotate to finally drive an output shaft 3 to rotate at a variable speed by the same distance, the two-stage planetary gear set improves the transmission efficiency of the device, the transmission efficiency is high by the mode, can bear larger load, is suitable for, lubricating oil is injected into the oil immersion cavity 14, and the primary planetary gear set 6 and the secondary planetary gear set 7 are both immersed in the lubricating oil, so that the lubricating property of the planetary gear sets is improved, the service life of the gear sets is prolonged, and the rotation noise of the gear sets is reduced.
The above is to the present invention provides a gear box for a tower mill, which is described in detail. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The gear box for the tower mill is characterized by comprising a shell (1), an input shaft (2), an output shaft (3), a gear shaft (4) and a two-stage planetary gear transmission mechanism (5), wherein the input shaft (2), the gear shaft (4) and the output shaft (3) are coaxial, the gear shaft (4) is positioned between the input shaft (2) and the output shaft (3), the two-stage planetary gear transmission mechanism (5) comprises a primary planetary gear set (6) and a secondary planetary gear set (7), a primary gear ring (8) and a secondary gear ring (9) are further arranged in the shell (1), a primary planetary pinion (10) of the primary planetary gear set (6) is meshed with the primary gear ring (8) and a first gear (11) at the end part of the input shaft (2), and a rotating shaft of the primary planetary pinion (10) is fixedly connected with one end of the gear shaft (4), a second gear (12) is arranged at the other end of the gear shaft (4), a second-stage planet pinion (13) of the second-stage planetary gear set (7) is meshed with the second-stage gear ring (9) and the second gear (12), and a rotating shaft of the second-stage planet pinion (13) is fixedly connected with one end of the output shaft (3).
2. Gearbox for a tower mill according to claim 1, characterized in that an oil immersion cavity (14) is provided in said housing (1), said primary planetary gear set (6) and secondary planetary gear set (7) being provided in said oil immersion cavity (14).
3. The gearbox for a tower mill according to claim 2, further comprising an oil inlet pipe (15) and an oil outlet pipe (16), the oil inlet pipe (15) extending from the casing (1) to the oil immersion cavity (14), the oil outlet pipe (16) extending from the oil immersion cavity (14) to the outside of the casing (1).
4. A gearbox for a tower mill according to claim 3, characterized in that it further comprises a breather conduit (17), said breather conduit (17) extending from outside the housing (1) to the oil immersion cavity (14).
5. A gearbox for a tower mill according to claim 3 further comprising a temperature measuring device (18), a measuring end of said temperature measuring device (18) extending into the oil immersion cavity (14).
6. A gearbox for a tower mill according to claim 5, characterized in that said temperature measuring device (18) is a platinum thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293606.XU CN211082717U (en) | 2019-12-19 | 2019-12-19 | Gear box for tower mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293606.XU CN211082717U (en) | 2019-12-19 | 2019-12-19 | Gear box for tower mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082717U true CN211082717U (en) | 2020-07-24 |
Family
ID=71626283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922293606.XU Active CN211082717U (en) | 2019-12-19 | 2019-12-19 | Gear box for tower mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082717U (en) |
-
2019
- 2019-12-19 CN CN201922293606.XU patent/CN211082717U/en active Active
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