CN213870987U - Driving mechanism for aluminum oxide stirring machine and aluminum oxide stirring machine - Google Patents
Driving mechanism for aluminum oxide stirring machine and aluminum oxide stirring machine Download PDFInfo
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- CN213870987U CN213870987U CN202022813103.3U CN202022813103U CN213870987U CN 213870987 U CN213870987 U CN 213870987U CN 202022813103 U CN202022813103 U CN 202022813103U CN 213870987 U CN213870987 U CN 213870987U
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Abstract
The utility model discloses an actuating mechanism and aluminium oxide mixer for aluminium oxide mixer belongs to aluminium oxide stirring technical field. The driving mechanism for the alumina mixer comprises a permanent magnet motor component and a secondary speed reducer component, wherein the permanent magnet motor component comprises a machine shell, a motor stator arranged in the machine shell and a motor rotor penetrating through the motor stator, and a torque is generated by interaction of a magnetic field of the motor stator and a magnetic field of the motor rotor; the second-stage speed reducer assembly is detachably connected with the casing, and the input end of the second-stage speed reducer assembly is connected with the motor rotor. The alumina stirrer comprises the driving mechanism for the alumina stirrer. The utility model discloses a actuating mechanism and alumina mixer for alumina mixer, permanent-magnet motor subassembly and second grade speed reducer subassembly component are synthetic integrative structure, make the structure compacter, reduce the actuating mechanism volume, have simplified actuating mechanism, reduce the trouble, have reduced the maintenance cost, and have improved the use reliability.
Description
Technical Field
The utility model relates to an aluminium oxide stirring technical field especially relates to a actuating mechanism and aluminium oxide mixer for aluminium oxide mixer.
Background
With the development of the technology, the decomposition and classification procedures of the alumina plant are continuously optimized and improved in the aspects of process flow, process configuration, equipment selection and the like. Influenced by the process flow, the alumina decomposition plant has high requirements on the reliability of equipment, and further puts forward the requirements on high energy-saving performance.
The stirring equipment commonly used in the alumina plant at the present stage consists of an asynchronous motor, a speed reducer and a stirring propeller. The asynchronous motor in the driving mode needs regular maintenance, the fault rate of the speed reducer is relatively high, the driving mode is a key maintenance object, the production efficiency is low, the maintenance cost is high, the energy consumption is large, the occupied area is large, and the reliability needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a actuating mechanism for aluminium oxide mixer simplifies the structure, improves the reliability, improves operating efficiency, and is energy-conserving, and output torsion is big, reduce rotational speed and reduce the volume.
To achieve the purpose, the utility model adopts the following technical proposal:
a drive mechanism for an alumina mixer, comprising:
the permanent magnet motor assembly comprises a shell, a motor stator arranged in the shell and a motor rotor penetrating through the motor stator, wherein a magnetic field of the motor stator and a magnetic field of the motor rotor interact to generate torque;
and the secondary speed reducer component is detachably connected with the shell, and the input end of the secondary speed reducer component is connected with the motor rotor.
Optionally, the secondary reducer assembly comprises:
the middle-stage component is of an NGW planetary structure and comprises a middle-stage sun wheel shaft, a middle-stage planet wheel, a middle-stage inner gear ring and a middle-stage rotating frame, the middle-stage planet wheel is respectively meshed with the middle-stage sun wheel shaft and the middle-stage inner gear ring, the middle-stage sun wheel shaft is connected with a motor rotor, and the middle-stage planet wheel drives the middle-stage rotating frame to rotate;
the output-stage assembly is of an NGW planetary structure and comprises an output-stage sun gear, an output-stage planet gear, an output-stage inner gear ring and an output-stage rotating frame, the output-stage planet gear is respectively meshed with the output-stage sun gear and the output-stage inner gear ring, the intermediate-stage rotating frame drives the output-stage sun gear to rotate, the output-stage planet gear drives the output-stage rotating frame to rotate, and the output-stage rotating frame is connected with an external structure.
Optionally, a crowned tooth is arranged between the intermediate stage rotating frame and the output stage sun gear, and the intermediate stage rotating frame transmits the torque force to the output stage sun gear through the crowned tooth.
Optionally, the motor rotor is connected with the middle-stage sun gear shaft through a spline, and the motor rotor drives the middle-stage sun gear shaft to rotate.
Optionally, the intermediate ring gear is detachably connected to the casing.
Optionally, the drive mechanism for the alumina mixer further comprises a monitoring assembly for adjusting the rotational speed of the permanent magnet motor assembly.
Optionally, the driving mechanism for the alumina mixer further comprises a frequency converter for adjusting the rotating speed of the permanent magnet motor assembly.
Optionally, the driving mechanism for the alumina mixer further comprises a junction box arranged on the side wall of the casing, and the frequency converter is electrically connected with the permanent magnet motor assembly through the junction box.
Optionally, the motor stator is detachably connected with the casing through a fastener.
Another object of the utility model is to provide an alumina mixer improves the reliability, improves the operating efficiency to reduce the volume, the cost is reduced.
To achieve the purpose, the utility model adopts the following technical proposal:
the alumina stirrer comprises a propeller stirring mechanism and the driving mechanism for the alumina stirrer, wherein the driving mechanism for the alumina stirrer is used for driving the propeller stirring mechanism to rotate.
The utility model has the advantages that:
the utility model provides a driving mechanism for alumina mixer, which combines the permanent magnet motor component and the second-level speed reducer component into an integrated structure, so that the structure is more compact, the volume of the driving mechanism is reduced, the driving mechanism is simplified, the faults are reduced, the maintenance cost is reduced, and the use reliability is improved; meanwhile, the permanent magnet motor assembly has the advantages of no maintenance, flexible rotation speed adjustment, small starting current, high transmission efficiency and the like, so that the permanent magnet motor assembly can improve the operation efficiency of the driving mechanism and reduce the use energy consumption under the same use condition; the higher the output rotating speed of the permanent magnet motor assembly is, the smaller the volume is, so that the permanent magnet motor assembly reduces the output rotating speed through the secondary speed reducer assembly to increase the output torque, the volume of the permanent magnet motor assembly can be reduced, and the total weight and the occupied area of the driving mechanism are reduced; a actuating mechanism's rotational speed for aluminium oxide mixer is generally for not exceeding ten revolutions per minute about, consequently, adopts the second grade speed reducer subassembly can reduce output speed by a relatively large margin, increases torsion, satisfies the user demand, need not the speed reducer of higher progression, has reduced the shared volume of speed reducer, also avoids using the combination of the permanent-magnet machine of one-level speed reducer and low rotational speed, has reduced permanent-magnet machine subassembly's volume to actuating mechanism's volume has been reduced.
The utility model provides a pair of alumina mixer, through adopting foretell actuating mechanism who is used for alumina mixer, improved screw rabbling mechanism's rotation efficiency, reduced alumina mixer volume and weight, be convenient for maintain and the cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a driving mechanism for an alumina mixer according to an embodiment of the present invention.
In the figure:
1-a permanent magnet motor assembly; 11-a housing; 12-a motor stator; 13-a motor rotor;
21-intermediate stage sun gear shaft; 22-intermediate stage planet wheels; 23-a middle-stage ring gear; 24-a middle stage rotating frame; 25-output stage sun gear; 26-output stage planets; 27-an output stage ring gear; 28-output stage rotating frame; 29-crowned teeth;
and 3, a junction box.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment provides a driving mechanism for an alumina mixer, which comprises a permanent magnet motor component 1 and a two-stage speed reducer component. Specifically, as shown in fig. 1, the permanent magnet motor assembly 1 includes a casing 11, a motor stator 12 disposed in the casing 11, and a motor rotor 13 penetrating the motor stator 12, wherein a magnetic field of the motor stator 12 interacts with a magnetic field of the motor rotor 13 to generate a torque; the secondary speed reducer assembly is detachably connected with the casing 11, and the input end of the secondary speed reducer assembly is connected with the motor rotor 13.
The permanent magnet motor component 1 and the secondary speed reducer component are combined into an integral structure, so that the structure is more compact, the volume of a driving mechanism is reduced, the driving mechanism is simplified, faults are reduced, the maintenance cost is reduced, and the use reliability is improved; meanwhile, the permanent magnet motor assembly 1 has the advantages of no maintenance, flexible rotation speed adjustment, small starting current, high transmission efficiency and the like, so that the permanent magnet motor assembly 1 can improve the operation efficiency of the driving mechanism and reduce the use energy consumption under the same use condition; because the higher the output rotating speed of the permanent magnet motor assembly 1 is, the smaller the volume is, the output rotating speed of the permanent magnet motor assembly 1 is reduced through the secondary speed reducer assembly to increase the output torque, the volume of the permanent magnet motor assembly 1 can be reduced, and the total weight and the occupied area of the driving mechanism are reduced; a actuating mechanism's rotational speed for aluminium oxide mixer is generally for not exceeding ten revolutions per minute, it is common use have five revolutions per minute about, consequently, adopt second grade speed reducer subassembly can reduce output speed by a relatively large margin, increase torsion, satisfy the user demand, need not the speed reducer of higher progression, reduced the shared volume of speed reducer, also avoid using the combination of the permanent-magnet machine of one-level speed reducer and low-speed, reduced the volume of permanent-magnet machine subassembly 1, thereby actuating mechanism's volume has been reduced.
Because gear drive has advantages such as transmission precision is high, transmission efficiency height, and optionally, second grade speed reducer subassembly is second grade gear drive structure to improve transmission efficiency. Specifically, the secondary speed reducer assembly comprises an intermediate assembly and an output assembly, wherein the intermediate assembly is of an NGW planetary structure and has the advantages of compact structure, convenience in structural layout, large transmission ratio, high transmission efficiency and the like, so that the transmission efficiency of the driving mechanism is improved, and the size and the weight are further reduced. Specifically, the middle-stage assembly comprises a middle-stage sun wheel shaft 21, a middle-stage planet wheel 22 and a middle-stage inner gear ring 23, the middle-stage planet wheel 22 is respectively meshed with the middle-stage sun wheel shaft 21 and the middle-stage inner gear ring 23, the middle-stage sun wheel shaft 21 is connected with the motor rotor 13, and the middle-stage planet wheel 22 drives a middle-stage rotating frame 24 to rotate; similarly, the output stage assembly is of an NGW planetary structure, the output stage assembly comprises an output stage sun gear 25, an output stage planet gear 26, an output stage inner gear ring 27 and an output stage rotating frame 28, the output stage planet gear 26 is respectively meshed with the output stage sun gear 25 and the output stage inner gear ring 27, the intermediate stage rotating frame 24 drives the output stage sun gear 25 to rotate, the output stage planet gear 26 drives the output stage rotating frame 28 to rotate, and the output stage rotating frame 28 is connected with an external structure, so that the connection between the permanent magnet motor assembly 1 and the external structure is realized.
Optionally, the middle-stage ring gear 23 is detachably connected to the housing 11; specifically, the intermediate-stage ring gear 23 and the machine shell 11 are respectively provided with a connecting hole, and the intermediate-stage ring gear 23 is detachably connected to the machine shell 11 through bolts, so that the structure is simple, the connection is reliable, and the disassembly and the assembly are convenient.
Optionally, the motor rotor 13 is connected with the intermediate-stage sun gear shaft 21 through a spline, and the motor rotor 13 drives the intermediate-stage sun gear shaft 21 to rotate and transmit torque to the intermediate-stage sun gear shaft 21; specifically, one of the motor rotor 13 and the intermediate sun gear shaft 21 is provided with spline teeth, the other is provided with spline grooves, and the spline teeth and the spline grooves are uniform in structure, so that the motor rotor 13 and the intermediate sun gear shaft 21 are uniformly stressed, in addition, the spline grooves are shallow, the stress concentration at the tooth root is small, the strength of the motor rotor 13 and the intermediate sun gear shaft 21 is weakened less, the number of the spline teeth is large, the total contact area of the motor rotor 13 and the intermediate sun gear shaft 21 is large, large load can be borne, the service lives of the motor rotor 13 and the intermediate sun gear shaft 21 are prolonged, and further the service life of the driving mechanism is prolonged.
The crowned teeth 29 have the advantages of strong bearing capacity, large angular displacement compensation amount, improved abrasion condition, convenient assembly and disassembly, high transmission efficiency and the like, and optionally, the crowned teeth 29 are arranged between the middle-stage rotating frame 24 and the output-stage sun gear 25, and the middle-stage rotating frame 24 transmits torque to the output-stage sun gear 25 through the crowned teeth 29, so that the transmission efficiency between the middle-stage rotating frame 24 and the output-stage sun gear 25 is improved, and the service life is prolonged.
Optionally, the driving mechanism for the alumina mixer further comprises a monitoring assembly, wherein the monitoring assembly is used for adjusting the rotating speed of the permanent magnet motor assembly 1, so that the automatic control of the driving mechanism is improved, and the driving mechanism is convenient to use; further optionally, the monitoring assembly further comprises a sensor and other structures, the sensor detects the use working condition, the detection information is fed back to the upper computer, the upper computer calculates the speed regulation instruction to the permanent magnet motor assembly 1, and the control precision of the output rotating speed and the output torque is improved.
Optionally, the driving mechanism for the alumina mixer further comprises a frequency converter for adjusting the rotating speed of the permanent magnet motor assembly 1, so that the permanent magnet motor can adapt to frequent speed changes in different working environments without being damaged due to too fast speed change, and the service life of the permanent magnet motor assembly 1 is prolonged; specifically, the monitoring assembly adjusts the rotation speed of the permanent magnet motor assembly 1 through a frequency converter.
Optionally, the driving mechanism for the alumina mixer further comprises a junction box 3 arranged on the side wall of the casing 11, and the frequency converter is electrically connected with the permanent magnet motor assembly 1 through the junction box 3, so that the wiring reliability is improved.
The embodiment also provides an alumina mixer, which comprises a propeller stirring mechanism and the driving mechanism for the alumina mixer, wherein the driving mechanism for the alumina mixer is used for driving the propeller stirring mechanism to rotate, the driving mechanism improves the rotating efficiency of the propeller stirring mechanism, the volume and the weight of the alumina mixer are reduced, the maintenance is convenient, and the cost is reduced.
Optionally, the driving mechanism for the alumina stirrer is detachably connected to the body of the alumina stirrer, so that the driving mechanism is conveniently detached from the body; particularly, connecting holes are respectively formed in the driving mechanism and the body, the driving mechanism and the body are detachably connected through bolts, and the driving mechanism and the body are simple in structure, reliable in connection and convenient to disassemble and assemble.
Specifically, the frequency converter is arranged below the body, so that the structure of the alumina mixer is more compact.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A drive mechanism for an alumina mixer, comprising:
the permanent magnet motor assembly (1) comprises a machine shell (11), a motor stator (12) arranged in the machine shell (11) and a motor rotor (13) penetrating through the motor stator (12), wherein a torque is generated by interaction of a magnetic field of the motor stator (12) and a magnetic field of the motor rotor (13);
and the secondary speed reducer component is detachably connected with the shell (11), and the input end of the secondary speed reducer component is connected with the motor rotor (13).
2. The drive mechanism for an alumina mixer of claim 1, wherein the secondary reducer assembly includes:
the middle-stage assembly is of an NGW planetary structure and comprises a middle-stage sun wheel shaft (21), a middle-stage planet wheel (22), a middle-stage inner gear ring (23) and a middle-stage rotating frame (24), the middle-stage planet wheel (22) is respectively meshed with the middle-stage sun wheel shaft (21) and the middle-stage inner gear ring (23), the middle-stage sun wheel shaft (21) is connected with the motor rotor (13), and the middle-stage planet wheel (22) drives the middle-stage rotating frame (24) to rotate;
the output-stage assembly is of an NGW planetary structure and comprises an output-stage sun gear (25), an output-stage planet gear (26), an output-stage inner gear ring (27) and an output-stage rotating frame (28), wherein the output-stage planet gear (26) is respectively meshed with the output-stage sun gear (25) and the output-stage inner gear ring (27), the middle-stage rotating frame (24) drives the output-stage sun gear (25) to rotate, the output-stage planet gear (26) drives the output-stage rotating frame (28) to rotate, and the output-stage rotating frame (28) is connected with an external structure.
3. The drive mechanism for an alumina mixer as claimed in claim 2, wherein a crown gear (29) is provided between the intermediate stage turret (24) and the output stage sun gear (25), the intermediate stage turret (24) transmitting torque to the output stage sun gear (25) via the crown gear (29).
4. The drive mechanism for an alumina mixer as claimed in claim 2, wherein the motor rotor (13) is splined to the intermediate stage sun gear shaft (21), the motor rotor (13) driving the intermediate stage sun gear shaft (21) in rotation.
5. A drive mechanism for an alumina mixer as claimed in claim 2 wherein the intermediate stage annulus gear (23) is removably connected to the housing (11).
6. A drive mechanism for an alumina mixer according to any one of claims 1 to 4, wherein the drive mechanism for an alumina mixer further comprises a monitoring assembly for adjusting the rotational speed of the permanent magnet motor assembly (1).
7. A drive mechanism for an alumina mixer according to any one of claims 1 to 4, wherein the drive mechanism for an alumina mixer further comprises a frequency converter for adjusting the rotational speed of the permanent magnet motor assembly (1).
8. The drive mechanism for an alumina mixer according to claim 7, characterized in that the drive mechanism for an alumina mixer further comprises a junction box (3) arranged on the side wall of the casing (11), and the frequency converter is electrically connected with the permanent magnet motor assembly (1) through the junction box (3).
9. A drive mechanism for an alumina mixer according to any one of claims 1 to 4 wherein the motor stator (12) is removably attached to the housing (11) by fasteners.
10. An alumina mixer comprising a propeller mixer and a drive mechanism for an alumina mixer as claimed in any one of claims 1 to 9, wherein the drive mechanism for an alumina mixer is arranged to drive the propeller mixer to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022813103.3U CN213870987U (en) | 2020-11-27 | 2020-11-27 | Driving mechanism for aluminum oxide stirring machine and aluminum oxide stirring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022813103.3U CN213870987U (en) | 2020-11-27 | 2020-11-27 | Driving mechanism for aluminum oxide stirring machine and aluminum oxide stirring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870987U true CN213870987U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022813103.3U Active CN213870987U (en) | 2020-11-27 | 2020-11-27 | Driving mechanism for aluminum oxide stirring machine and aluminum oxide stirring machine |
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| Country | Link |
|---|---|
| CN (1) | CN213870987U (en) |
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2020
- 2020-11-27 CN CN202022813103.3U patent/CN213870987U/en active Active
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