CN220980289U - High-reliability output structure of vertical mill speed reducer - Google Patents
High-reliability output structure of vertical mill speed reducer Download PDFInfo
- Publication number
- CN220980289U CN220980289U CN202322896810.7U CN202322896810U CN220980289U CN 220980289 U CN220980289 U CN 220980289U CN 202322896810 U CN202322896810 U CN 202322896810U CN 220980289 U CN220980289 U CN 220980289U
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- grinding disc
- planet carrier
- spline
- speed reducer
- transition
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 210000004907 gland Anatomy 0.000 claims description 17
- 239000000565 sealant Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of speed reducers, and particularly relates to a high-reliability vertical mill speed reducer output structure which comprises a planet carrier and a grinding disc, wherein the planet carrier is arranged on the grinding disc, a transition spline housing is fixedly arranged on the grinding disc, an external spline is arranged at the top of the planet carrier and is meshed with the transition spline housing, a plurality of pin shaft holes are correspondingly formed in the transition spline housing and the grinding disc, and a transmission pin is arranged in the pin shaft holes. According to the utility model, the output end of the planet carrier is changed into the position between the spline and the grinding disc, the transmission safety of the spline is better than that of the transmission pin, meanwhile, more pin shaft holes can be drilled on the outer side of the transmission spline sleeve, and the transmission pin is used for connecting the transmission spline sleeve with the grinding disc, so that the reliability is higher, the maintenance is simpler, and only the transmission spline sleeve is required to be replaced and repaired during the replacement and maintenance.
Description
Technical Field
The utility model belongs to the technical field of speed reducers, and particularly relates to a high-reliability output structure of a vertical mill speed reducer.
Background
The output shaft of the vertical mill speed reducer is vertically arranged, the driving disc is arranged at the upper end of the output shaft, so that equipment is driven to operate, the output shaft is usually arranged on the speed reducer box body through a bearing, the output end of the vertical mill speed reducer in China is connected, the torque transmission mode is generally in transition fit between the planet carrier and the grinding disc, a drilling pin hole is formed between the planet carrier and the grinding disc, and the transmission pin is installed for torque transmission, but the transmission pin in the mode is easy to twist off, the planet carrier and the grinding disc are damaged, and replacement and maintenance after damage are complex.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the output structure of the high-reliability vertical mill speed reducer, which has better torque transmission safety and higher reliability and is simpler to repair and maintain.
The technical scheme adopted by the utility model for realizing the purposes is as follows: the utility model provides a high reliability vertical mill speed reducer output structure, includes planet carrier and mill, and the planet carrier is installed on the mill the last transition spline housing that fixedly is provided with of mill the top of planet carrier is provided with the external spline, external spline and transition spline housing meshing transition spline housing are last to be provided with a plurality of round pin shaft holes that correspond with the mill the drive pin is installed in the round pin shaft hole.
Preferably, a bearing is arranged on the planet carrier near the grinding disc.
Preferably, a spacer sleeve is arranged between the bearing and the grinding disc.
Preferably, bolt holes are correspondingly formed in the transition spline housing and the grinding disc, and the transition spline housing is fixedly connected to the grinding disc through spline fixing bolts arranged in the bolt holes.
Preferably, an end cover is arranged at the top of the planet carrier and the transition spline housing, and the end cover is fixedly connected to the planet carrier.
Preferably, a gland is arranged above the planet carrier, and the gland is fixedly connected to the grinding disc.
Preferably, a sealant is smeared below the gland.
Compared with the prior art, the technical scheme has the following beneficial effects:
According to the utility model, the pin shaft connection between the output end of the planet carrier and the millstone is changed into the addition of the transition spline sleeve between the planet carrier and the millstone, so that the spline torque transmission safety is better than that of the transmission pin, more pin shaft holes can be drilled at the outer side of the transition spline sleeve, and the transition spline sleeve is connected with the millstone through the transmission pin, so that the reliability is higher, the maintenance is simpler, and only the transition spline sleeve is required to be replaced and repaired during the replacement and maintenance.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view at a in fig. 1.
Wherein: 1. the planet carrier 2, the bearing 3, the spacer sleeve 4, the grinding disc 5, the gland fixing bolt 6, the spline fixing bolt 7, the gland 8, the end cover fixing bolt 9, the end cover 10, the transition spline sleeve 11, the transmission pin 12, the grinding disc supporting bearing 13 and the external spline.
Detailed Description
Fig. 1-2 are diagrams illustrating a preferred embodiment of the present utility model, and the present utility model is further described with reference to fig. 1-2.
As shown in fig. 1, the high-reliability vertical mill speed reducer output structure comprises a planet carrier 1 and a grinding disc 4, wherein the planet carrier 1 is arranged on the grinding disc 4, a transition spline sleeve 10 is fixedly arranged at the joint of the grinding disc 4 and the planet carrier 1, an external spline 13 is arranged at the top of the planet carrier 1, the external spline 13 is meshed with the transition spline sleeve 10, a plurality of pin holes are correspondingly arranged on the transition spline sleeve 10 and the grinding disc 4, a transmission pin 11 is arranged in the pin holes, the output end of the planet carrier 1 is connected with the grinding disc 4 in a spline manner, a transition spline sleeve 10 is additionally arranged between the planet carrier 1 and the grinding disc 4, the spline transmission safety is better, meanwhile, the pin holes are drilled at the outer sides of the transition spline sleeve 10, the transmission pin 11 is used for connecting the transition spline sleeve 10 with the grinding disc 4, and finally, and the movement and the torque of the planet carrier 1 are transmitted to the grinding disc 4.
As shown in fig. 2, bolt holes are correspondingly formed in the transition spline housing 10 and the grinding disc 4, spline fixing bolts 6 are installed in the corresponding bolt holes in the transition spline housing 10 and the grinding disc 4, the transition spline housing 10 is fixedly connected to the grinding disc 4 through the spline fixing bolts 6, and the planet carrier 1 transmits torque to the grinding disc 4 through spline connection and a transmission pin 11.
The grinding disc 4 is axially positioned by a grinding disc supporting bearing 12, a bearing 2 is arranged at the position, close to the grinding disc 4, of the planet carrier 1, a spacer sleeve 3 is arranged between the bearing 2 and the grinding disc 4, the planet carrier 1, the bearing 2 and the spacer sleeve 3 are assembled into a whole in advance, and one planet carrier is installed inside the speed reducer. The top at planet carrier 1 and transition spline housing 10 is fixed and is provided with end cover 9, is provided with a plurality of bolt holes at the top of end cover 9 and planet carrier 1 correspondence, installs end cover fixing bolt 8 in corresponding bolt hole, and end cover 9 passes through end cover fixing bolt 8 fixed connection at the top of planet carrier 1, and the outer edge of end cover 9 presses the upper end at transition spline housing 10 to the outer edge cover of end cover 9 can fix a position the axial position of driving pin 11 in the upper portion drunkenness of driving pin 11 in the operation process, prevents driving pin 11.
The planet carrier 1, the bearing 2 and the spacer 3 are assembled into a whole in advance, and are installed inside the speed reducer as far as possible, but the planet carrier cannot be installed in place at one time, so after the planet carrier 1, the bearing 2 and the spacer 3 are installed inside the speed reducer, the planet carrier 1 can be installed in place by screwing the end cover fixing bolts 8, and therefore the planet carrier 1 is required to be lifted by the end cover 9 and the end cover fixing bolts 8 during axial installation and positioning of the planet carrier 1, and finally the planet carrier 1 is installed in place.
The planet carrier is characterized in that a gland 7 is arranged above the planet carrier 1, a plurality of bolt holes are correspondingly formed in the gland 7 and the grinding disc 4, a gland fixing bolt 7 is arranged in the bolt hole corresponding to the gland 7 and the grinding disc 4, the gland fixing bolt 7 is arranged on the outer side of a transition spline housing 10, the gland 7 is fixedly connected to the grinding disc 4 through a gland fixing bolt 5, sealant is smeared below the gland 7, and the sealant can protect parts below the gland 7.
According to the utility model, the transition spline housing 10 is arranged on the grinding disc 4, the external spline 13 is arranged at the top of the planet carrier 1, the external spline 13 is meshed with the transition spline housing 10, the torque of the planet carrier 1 is transmitted to the grinding disc 4 through the spline, meanwhile, the transition spline housing 10 and the grinding disc 4 are also provided with the plurality of transmission pins 11, the transmission pins 11 participate in transmitting the torque, the torque transmission at the output end of the planet carrier 1 is changed from the pin roll connection torque transmission to the spline connection torque transmission, the spline torque transmission safety is better, the pin roll holes are drilled in the transition spline housing 10, the transition spline housing 10 is connected with the grinding disc 4 through the transmission pins 11, the torque of the planet carrier 1 is transmitted to the grinding disc 4 through the spline connection and the transmission pins 11, so that the reliability is higher, meanwhile, the maintenance is simpler, and only the transition spline housing 10 needs to be replaced and repaired during the replacement maintenance.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a high reliability vertical mill speed reducer output structure which characterized in that: the planetary gear transmission device comprises a planet carrier (1) and a grinding disc (4), wherein the planet carrier (1) is installed on the grinding disc (4), a transition spline housing (10) is fixedly arranged on the grinding disc (4), an external spline (13) is arranged at the top of the planet carrier (1), the external spline (13) is meshed with the transition spline housing (10), a plurality of pin shaft holes are correspondingly formed in the transition spline housing (10) and the grinding disc (4), and a transmission pin (11) is installed in the pin shaft holes.
2. The high reliability vertical mill speed reducer output structure of claim 1, wherein: the planet carrier (1) is provided with a bearing (2) close to the grinding disc (4).
3. The high reliability vertical mill speed reducer output structure of claim 2, wherein: and a spacing sleeve (3) is arranged between the bearing (2) and the grinding disc (4).
4. The high reliability vertical mill speed reducer output structure of claim 1, wherein: the transition spline housing (10) and the grinding disc (4) are correspondingly provided with bolt holes, and the transition spline housing (10) is fixedly connected to the grinding disc (4) through spline fixing bolts (6) arranged in the bolt holes.
5. The high reliability vertical mill speed reducer output structure of claim 1, wherein: an end cover (9) is arranged at the top of the planet carrier (1) and the transition spline housing (10), and the end cover (9) is fixedly connected to the planet carrier (1).
6. The high reliability vertical mill speed reducer output structure of claim 1, wherein: a gland (7) is arranged above the planet carrier (1), and the gland (7) is fixedly connected to the grinding disc (4).
7. The high-reliability vertical mill speed reducer output structure according to claim 6, wherein: and sealant is smeared below the gland (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322896810.7U CN220980289U (en) | 2023-10-27 | 2023-10-27 | High-reliability output structure of vertical mill speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322896810.7U CN220980289U (en) | 2023-10-27 | 2023-10-27 | High-reliability output structure of vertical mill speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980289U true CN220980289U (en) | 2024-05-17 |
Family
ID=91037184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322896810.7U Active CN220980289U (en) | 2023-10-27 | 2023-10-27 | High-reliability output structure of vertical mill speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980289U (en) |
-
2023
- 2023-10-27 CN CN202322896810.7U patent/CN220980289U/en active Active
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