CN212672368U - Edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment - Google Patents
Edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment Download PDFInfo
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- CN212672368U CN212672368U CN202021765369.9U CN202021765369U CN212672368U CN 212672368 U CN212672368 U CN 212672368U CN 202021765369 U CN202021765369 U CN 202021765369U CN 212672368 U CN212672368 U CN 212672368U
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- gear ring
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Abstract
The invention discloses an edge-driven vertical heavy-load speed reducer for roller-type vertical grinding equipment, which comprises a load supporting cylinder, an output supporting connecting disc, a large gear ring, a motor and a right-angle speed reducer, wherein the load supporting cylinder is connected with the output supporting connecting disc; wherein the outer surface of the output support coupling disc is provided with a connecting flange; the connecting flange is connected with the large gear ring through a plurality of bolts in a locking way; the large gear ring is meshed with a plurality of small gears; each motor is connected with a right-angle speed reducer through a high-speed coupler; one end of the right-angle speed reducer is connected with a low-speed coupling; wherein the low-speed coupler is connected with the pinion shaft; the pinion shaft penetrates through the support bearing seat, and the top end of the pinion shaft is fixedly connected with the pinion; the supporting piece is fixed on the load supporting cylinder body, and a center end of the supporting piece is fixedly provided with a self-aligning bearing; wherein the bottom center portion of the output support coupling disk is disposed within the self-aligning bearing. The invention has high operation reliability, high transmission efficiency, easy maintenance, long service life and low cost.
Description
Technical Field
The invention relates to the field of transmission of roller type vertical grinding equipment, in particular to an edge transmission vertical heavy-load speed reducer for the roller type vertical grinding equipment.
Background
As shown in fig. 1, the commercial vertical heavy-duty speed reducer is generally used in a vertical roller mill, and it not only needs to transmit a large rotation torque to the grinding disc, but also carries the dynamic load caused by the large grinding roller and the grinding disc, so that the requirement is much higher than that of a general speed reducer, and the price is much higher.
The speed reducer for the general vertical mill adopts a cone gear pair, a parallel shaft gear pair and a planetary gear pair combined transmission mode, wherein a pair of cone gear pair and parallel shaft gear pair which are in right-angle transmission and a set of planetary gear pair with an input shaft in vertical upward transmission are connected through a double-tooth coupler. The sun gear is supported on the thrust block by a ball head, the planet carrier can also swing along with the swing of the inclinable thrust bearing, and the two degrees of freedom enable the inner gear ring and the three (four) planet gears to be stressed uniformly. The inner gear ring is rigidly fixed on the box body, and the cylindrical box body is designed to provide an ideal support form for the axial thrust bearing.
The speed reducer is a key device for a vertical mill because the transmission power is large, the diameter of the bevel gear is large, the large-size bevel gear is difficult to machine and thermally process, the precision is difficult to control, and the speed ratio is large, the dynamic load is large, the internal structure is complex, the manufacturing and purchasing cost is high, and the failure rate is high.
The vertical mill speed reducer needs to transmit the torque input by the main motor to the grinding roller and simultaneously bears the gravity of the grinding disc/the grinding roller and the grinding force, and is a very important device, and the speed reducer is usually driven by a motor, so that the power of the motor is larger, usually in the range of 10000KW plus one kilowatt, particularly a high-power motor, and the manufacturing cost is higher, the maintenance is difficult, the price is high, and the cost is increased.
Disclosure of Invention
In order to solve the problems, the invention discloses an edge transmission vertical heavy-duty speed reducer for roller type vertical grinding equipment, which has the advantages of high operation reliability, high transmission efficiency, easy maintenance and long service life.
The invention discloses an edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment, which comprises a load supporting cylinder, an output supporting connecting disc, a large gear ring, a motor and a right-angle speed reducer, wherein the load supporting cylinder is connected with the output supporting connecting disc; wherein the outer surface of the output support coupling disc is provided with a connecting flange; the connecting flange is connected with the large gear ring through a plurality of bolts in a locking way; the large gear ring is meshed with a plurality of small gears; each motor is connected with a right-angle speed reducer through a high-speed coupler; one end of the right-angle speed reducer is connected with a low-speed coupling; wherein the low-speed coupler is connected with the pinion shaft; the pinion shaft penetrates through the support bearing seat, and the top end of the pinion shaft is fixedly connected with the pinion; the supporting piece is fixed on the load supporting cylinder body, and a center end of the supporting piece is fixedly provided with a self-aligning bearing; wherein the bottom center part of the output support coupling disk is arranged in the self-aligning bearing; wherein the thrust block is positioned right below the output support coupling disc and is communicated and connected with the high-pressure oil inlet pipe.
The invention further improves that: the supporting bearing seat is fixedly connected with the outer surface of the load supporting barrel through the connecting plate, so that the structural strength of the supporting bearing seat is improved.
The invention further improves that: wherein the number of the pinions is greater than or equal to two.
The invention further improves that: wherein, the pinion and the big gear ring are both positioned in the sealing cover, thereby improving the safety.
The working principle of the invention is as follows: because the outer surface of the output support connecting disc is fixed with a large gear ring, the motor drives the right-angle reducer to rotate through the high-speed coupler, the right-angle reducer drives the pinion shaft to rotate through the low-speed coupler, so as to drive the pinion to rotate, and the pinion and the large gear ring are mutually meshed, so that the output support connecting disc rotates; because the grinding disc is fixedly arranged on the output support connecting disc during the subsequent installation work, thereby driving the grinding disc to rotate, the invention changes the original one-motor drive into the drive of a plurality of motors, the power of a single motor is greatly reduced, and convenience is brought to the frequency conversion speed regulation.
Moreover, the supporting bearing seat is arranged, so that the fixing stability of the pinion shaft is ensured, and the reliability is improved; the sealing cover ensures safety and environmental protection; high-pressure lubricating oil is conveyed into a gap between the output support connecting disc and the thrust block through a high-pressure oil inlet pipe, so that the stability and flexibility of rotation of the output support connecting disc are ensured.
The invention has the beneficial effects that:
1. simple structure, operational reliability is high.
2. The transmission efficiency is high.
3. And the maintenance is convenient.
4. The manufacturing cost is greatly reduced.
5. The original one-motor drive is changed into the drive of a plurality of motors, the power of a single motor is greatly reduced, and convenience is brought to variable frequency speed regulation.
6. The service life is long.
Drawings
FIG. 1, background art;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of AA in FIG. 2;
list of reference numerals: 1-output support coupling disc; 2-self-aligning bearing; 3-a thrust block; 4-big gear ring; 5-
A pinion gear; 6-sealing the cover; 7-pinion shaft; 8-high pressure oil inlet pipe; 9-supporting the bearing seat; 9-1-connecting plate; 10-low speed coupling; 11-right angle reducer; 12-a high-speed coupling; 13-an electric motor; 14-a connecting flange; 15-load supporting cylinder; 16-a support.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, the edge-drive vertical heavy-duty speed reducer for a roller-type vertical grinding device of the present embodiment includes a load support cylinder 15, an output support coupling disk 1, a large gear ring 4, a motor 13 and a right-angle speed reducer 11; wherein the outer surface of the output support coupling disk 1 is provided with a connecting flange 14; the connecting flange 14 is connected with the large gear ring 4 through a plurality of bolts in a locking manner; the large gear ring 4 is meshed with two or more small gears 5; wherein the pinion 5 and the ring gear 4 are both located within a sealed housing 6.
Each motor 13 is connected with a right-angle speed reducer 11 through a high-speed coupler 12; one end of the right-angle speed reducer 11 is connected with the low-speed coupling 10; wherein the low-speed coupling 10 is connected with the pinion shaft 7; the pinion shaft 7 penetrates through the supporting bearing seat 9, and the top end of the pinion shaft is fixedly connected with the pinion 5; wherein the supporting bearing seat 9 is fixedly connected with the surface of the load supporting cylinder 15 through a connecting plate 9-1.
The supporting piece 16 is fixed on the load supporting cylinder 15, and the center end of the supporting piece is fixedly provided with the self-aligning bearing 2; wherein the bottom center part of the output support coupling disk 1 is arranged in the self-aligning bearing 2; wherein the thrust block 3 is positioned right below the output supporting coupling disk 1 and is communicated and connected with a high-pressure oil inlet pipe 8.
In the operation of the embodiment: the motor 13 drives the right-angle reducer 11 to rotate through the high-speed coupler 12, the right-angle reducer 11 drives the pinion shaft 7 to rotate through the low-speed coupler 10, so that the pinion 5 is driven to rotate, and the output support connecting disc 1 rotates along with the pinion 5 and the large gear ring 4 which are meshed with each other; because the millstone is installed and fixed on the output support connecting disc 1 during the subsequent installation work, thereby driving the millstone to rotate, the invention changes the original drive of one motor into the drive of a plurality of motors, the power of a single motor is greatly reduced, and the convenience is brought to the frequency conversion speed regulation. The structure is simple, and the operation reliability is high; the transmission efficiency is high; the maintenance is convenient; the manufacturing cost is greatly reduced.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (4)
1. A vertical heavy-duty speed reducer of edge drive for roller-type vertical mill equipment, its characterized in that: the device comprises a load supporting cylinder (15), an output supporting connecting disc (1), a large gear ring (4), a motor (13) and a right-angle speed reducer (11); wherein the outer surface of the output support coupling disc (1) is provided with a connecting flange (14); the connecting flange (14) is connected with the large gear ring (4) through a plurality of bolts in a locking way; the large gear ring (4) is meshed with a plurality of small gears (5); each motor (13) is connected with the right-angle speed reducer (11) through a high-speed coupling (12); one end of the right-angle speed reducer (11) is connected with a low-speed coupling (10); wherein the low-speed coupling (10) is connected with the pinion shaft (7); the pinion shaft (7) penetrates through the supporting bearing seat (9) and the top end of the pinion shaft is fixedly connected with the pinion (5); the supporting piece (16) is fixed on the load supporting cylinder body (15), and the center end of the supporting piece is fixedly provided with the self-aligning bearing (2); wherein the bottom center part of the output support coupling disc (1) is arranged in the self-aligning bearing (2); wherein the thrust block (3) is positioned right below the output support coupling disc (1) and is communicated and connected with the high-pressure oil inlet pipe (8).
2. The edge-driven vertical heavy-duty speed reducer for a roll mill apparatus according to claim 1, characterized in that: the supporting bearing seat (9) is fixedly connected with one end of the load supporting cylinder (15) through a connecting plate (9-1).
3. The edge-driven vertical heavy-duty speed reducer for a roll mill apparatus according to claim 1, characterized in that: wherein the number of the pinions (5) is greater than or equal to two.
4. The edge-driven vertical heavy-duty speed reducer for a roll mill apparatus according to claim 1, characterized in that: wherein the pinion (5) and the large gear ring (4) are both positioned in the sealing cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021765369.9U CN212672368U (en) | 2020-08-21 | 2020-08-21 | Edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021765369.9U CN212672368U (en) | 2020-08-21 | 2020-08-21 | Edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672368U true CN212672368U (en) | 2021-03-09 |
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ID=74820135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021765369.9U Active CN212672368U (en) | 2020-08-21 | 2020-08-21 | Edge transmission vertical heavy-load speed reducer for roller type vertical grinding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672368U (en) |
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2020
- 2020-08-21 CN CN202021765369.9U patent/CN212672368U/en active Active
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