CN216029792U - Terrace grinding machine grinding device capable of reducing oil leakage points - Google Patents
Terrace grinding machine grinding device capable of reducing oil leakage points Download PDFInfo
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- CN216029792U CN216029792U CN202121345970.7U CN202121345970U CN216029792U CN 216029792 U CN216029792 U CN 216029792U CN 202121345970 U CN202121345970 U CN 202121345970U CN 216029792 U CN216029792 U CN 216029792U
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Abstract
The utility model relates to the technical field of grinding machines, in particular to a floor grinding machine grinding device capable of reducing oil leakage points, which comprises a motor flange, a middle lower flange, a middle upper flange, a bottom shell, a central rotating shaft, a plurality of driven shafts, a central fixed gear, a revolution gear, a driving gear and a driven gear, wherein the middle lower flange is positioned outside the central fixed gear and fixedly connected with the bottom shell, a bearing is arranged between the central rotating shaft and the central fixed gear to enable the central rotating shaft to rotate relative to the central fixed gear, a bearing is arranged between the central rotating shaft and the bottom shell to enable the central rotating shaft to drive the bottom shell and the middle lower flange to rotate together, the driving gear is sleeved at the lower part of the central rotating shaft through the bearing, the driven shafts are uniformly arranged at the periphery of the central fixed gear, the lower ends of the driven shafts penetrate out of the bottom shell, the driven gear is arranged at the lower parts of the driven shafts, and the revolution gear is arranged at the upper parts of the driven shafts. The device provided by the utility model has the advantages of simple structure, small volume, uniform grinding and less oil leakage points.
Description
Technical Field
The utility model relates to the technical field of grinding machines, in particular to a floor grinding machine grinding device capable of reducing oil leakage points.
Background
The grinder is a ground processing machine, and is mainly used for grinding concrete, stone, terrazzo and epoxy ground. The existing grinding machine comprises an upper-layer mounting cavity and a lower-layer mounting cavity, a revolution part and an autorotation part, wherein a grinding mechanism is arranged in the middle of the revolution part and the autorotation part, are respectively positioned in the upper-layer mounting cavity and the lower-layer mounting cavity, revolution gears on a plurality of driven shafts are meshed with a central fixed gear to revolve along the central fixed gear, driven gears on the driven shafts rotate with driving gears on a driving shaft, and a grinding tool mounting shaft is meshed with the driven gears to realize autorotation. The arrangement has the advantages of complex structure, large volume and more oil leakage points.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a terrace grinder grinding device which has simple structure, small volume, uniform grinding and fewer oil leakage points and can reduce the oil leakage points.
The utility model is realized by the following technical scheme:
a terrace grinder grinding device capable of reducing oil leakage points comprises a motor flange, a middle and lower flange, an upper and lower flange, a bottom shell, a central rotating shaft, a plurality of driven shafts, a central fixed gear, a revolution gear, a driving gear and driven gears, wherein the middle and lower flange is fixedly connected with the motor flange and is positioned outside the central fixed gear and fixedly connected with the bottom shell to form an installation cavity in the inner space, the central rotating shaft respectively penetrates through the motor flange, the middle and upper flange, the central fixed gear and the bottom shell, a bearing is arranged between the central rotating shaft and the central fixed gear to enable the central rotating shaft to rotate relative to the central fixed gear, a bearing is arranged between the central rotating shaft and the bottom shell to enable the central rotating shaft to drive the bottom shell and the middle and lower flange to rotate together, the driving gear is positioned in the installation cavity and sleeved at the lower part of the central rotating shaft through the bearing, and the plurality of driven shafts are uniformly arranged at the periphery of the central fixed gear, the lower end part of the driven shaft penetrates through the bottom shell, a driven gear meshed with the driving gear is installed at the lower part of the driven shaft, and a revolution gear revolving along the central fixed gear is installed at the upper part of the driven shaft.
Preferably, the driving gear and the driven gear are helical gears, and the center fixed gear and the revolution gear are straight gears.
Further, a driven shaft middle flange is fixedly installed in the installation cavity, a driven shaft lower flange is installed on the lower portion of the bottom shell, the driven shaft penetrates through the driven shaft middle flange and the driven shaft lower flange respectively, and a bearing is installed between the driven shaft middle flange and the driven shaft lower flange.
Optimally, the driven shaft and the revolution gear are connected by Morse taper.
Furthermore, a plurality of idle gear shafts are installed in the installation cavity, idle gears are installed on the idle gear shafts, and the idle gears are located between the revolution gear and the center fixed gear and are respectively meshed with the revolution gear and the center fixed gear.
Further, a framework oil seal is arranged at the bearing.
Further, a lower end of the central rotating shaft is provided with a lower flange of the central rotating shaft, and a bearing is arranged between the lower flange of the central rotating shaft and the central rotating shaft.
Preferably, there are 3 driven shafts.
Furthermore, a middle plate is fixedly arranged between the middle lower flange and the bottom shell through bolts, a plurality of idle gear shafts are rotatably arranged on the middle plate, and the upper part of the driven shaft is rotatably connected with the middle plate.
Beneficial effects of the utility model
The terrace grinder grinding device for reducing oil leakage points, which is protected by the utility model, has the following advantages:
1. simple structure and small volume.
2. The grinding mechanism is arranged in the mounting cavity, and does not need to be divided into an upper layer and a lower layer, so that the structure is simplified, and oil leakage points are reduced.
3. The operation is stable and reliable.
4. The grinding is uniform and has no dead angle.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
in the figure, 1, a motor flange, 2, a revolution gear, 3, an upper middle flange, 4, a framework oil seal, 5, a central fixed gear, 6, an idle gear shaft, 7, an idle gear, 8, a middle lower flange, 9, a central rotating shaft, 10, a driving gear, 11, a central rotating shaft lower flange, 12, a driven shaft, 13, a driven shaft lower flange, 14, a bottom shell, 15, a driven gear, 16, a driven shaft middle flange and 17, a middle plate are arranged.
Detailed Description
A terrace grinder grinding device capable of reducing oil leakage points comprises a motor flange 1, a middle lower flange 8, a middle upper flange 3, a bottom shell 14, a central rotating shaft 9, a plurality of driven shafts 12, a central fixed gear 5, a revolution gear 2, a driving gear 10 and a driven gear 15.
The middle-upper flange, the center fixed gear and the motor flange can be fixedly connected through bolts and can also be fixedly connected in other modes, the middle-lower flange is positioned outside the center fixed gear and is fixedly connected with the bottom shell to enable the inner space to form an installation cavity, and the middle-upper flange, the center fixed gear and the motor flange can be fixedly connected through bolts and can also be fixedly connected in other modes.
The central rotating shaft penetrates through the motor flange, the middle-upper flange, the central fixed gear and the bottom shell respectively, a bearing is arranged between the central rotating shaft and the central fixed gear to enable the central rotating shaft to rotate relative to the central fixed gear, a bearing is arranged between the central rotating shaft and the bottom shell to enable the central rotating shaft to drive the bottom shell and the middle-lower flange to rotate together, the driving gear is located in the installation cavity and sleeved on the lower portion of the central rotating shaft through the bearing, the driven shafts are uniformly arranged on the periphery of the central fixed gear, the lower end portions of the driven shafts penetrate out of the bottom shell, driven gears meshed with the driving gear are installed on the lower portions of the driven shafts, and revolution gears revolving along the central fixed gear are installed on the upper portions of the driven shafts.
Preferably, the driving gear and the driven gear are helical gears, so that transmission is more stable, noise is reduced, and the central fixed gear and the revolution gear are straight gears, so that the rotation track of the driven rotating shaft is reliable.
Further, a driven shaft middle flange 16 is installed in the installation cavity, a driven shaft lower flange 13 is installed on the lower portion of the bottom shell, the driven shaft penetrates through the driven shaft middle flange and the driven shaft lower flange respectively, and bearings are installed between the driven shaft middle flange and the driven shaft lower flange.
Preferably, the driven shaft and the revolution gear are connected through Morse taper, and after the driven shaft and the revolution gear are tightly pressed, the revolution gear can be well meshed with the center fixed gear, so that the driven shaft can stably and reliably rotate along the center fixed gear.
Furthermore, a plurality of idle gear shafts 6 are arranged in the mounting cavity, idle gears 7 are arranged on the idle gear shafts, the idle gears are positioned between the revolution gear and the central fixed gear and are respectively meshed with the revolution gear and the central fixed gear, and one idle gear is arranged between the revolution gear and the central fixed gear, so that good transmission can be realized.
Further, a framework oil seal 4 is installed at the bearing to prevent oil leakage.
Further, a lower end of the central rotating shaft is provided with a lower flange 11 of the central rotating shaft, and a bearing is arranged between the lower flange of the central rotating shaft and the central rotating shaft.
Preferably, there are 3 driven shafts.
Furthermore, a middle plate 17 is fixedly arranged between the middle lower flange and the bottom shell through bolts, a plurality of idler gear shafts are rotatably arranged on the middle plate, and the upper part of the driven shaft is rotatably connected with the middle plate, so that the structure is simpler, and the size is lighter.
The utility model provides a terrace grinder grinding device capable of reducing oil leakage points. During grinding, the motor rotating shaft drives the central rotating shaft to rotate, the central rotating shaft rotates to drive the driving gear to rotate, so that the driven gear meshed with the driving gear is driven to rotate, and then the driven shaft drives the grinding tool at the lower end to rotate to grind. Meanwhile, as the central fixed gear is fixedly connected with the motor flange and the middle and upper flange, the central rotating shaft and the driven shaft rotate during grinding, the central fixed gear is fixed and fixed, the driven shaft drives the revolution gear to rotate when rotating, the revolution gear rotates, and the revolution gear revolves along the outer edge of the central fixed gear in a manner of being directly meshed with the central fixed gear or in a manner of intermediate transmission of the idle gear, and drives the middle and lower flanges and the bottom shell to rotate together, so that the grinding of the terrace is realized, and the grinding can be more uniform and has no dead angle.
And because well lower flange is located outside central fixed gear and makes the inner space form the installation cavity with drain pan fixed connection, central fixed gear, revolution gear, driving gear and driven gear all are located the installation cavity, need not to divide into upper installation cavity and lower floor's installation cavity, and the structure is simpler, and the volume is smaller and more exquisite to oil leakage point reduces half.
Meanwhile, the transmission mode adopts gear engagement, and the transmission is more stable and reliable through a mode of directly engaging with the central fixed gear or a middle transmission mode through an idler gear, so that the vibration and the noise are reduced.
In conclusion, the terrace grinder grinding device capable of reducing oil leakage points has the advantages of simple structure, small size, uniform grinding and less oil leakage points.
Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A terrace grinder grinding device capable of reducing oil leakage points is characterized by comprising a motor flange, a middle lower flange, a middle upper flange, a bottom shell, a central rotating shaft, a plurality of driven shafts, a central fixed gear, a revolution gear, a driving gear and a driven gear, wherein the middle upper flange and the central fixed gear are fixedly connected with the motor flange, the middle lower flange is positioned outside the central fixed gear and is fixedly connected with the bottom shell to enable an inner space to form an installation cavity, the central rotating shaft respectively penetrates through the motor flange, the middle upper flange, the central fixed gear and the bottom shell, a bearing is arranged between the central rotating shaft and the central fixed gear to enable the central rotating shaft to rotate relative to the central fixed gear, a bearing is arranged between the central rotating shaft and the bottom shell to enable the central rotating shaft to drive the bottom shell and the middle lower flange to rotate together, the driving gear is positioned in the installation cavity and is sleeved on the lower portion of the central rotating shaft through the bearing, the driven shafts are uniformly arranged on the periphery of the central fixed gear, the lower end parts of the driven shafts penetrate through the bottom shell, driven gears meshed with the driving gears are mounted on the lower parts of the driven shafts, and revolution gears revolving along the central fixed gear are mounted on the upper parts of the driven shafts.
2. The floor grinding machine grinding device for reducing the oil leakage point as claimed in claim 1, wherein the driving gear and the driven gear are helical gears, and the central fixed gear and the revolution gear are spur gears.
3. The floor grinding machine grinding device capable of reducing the oil leakage points as claimed in claim 2, wherein a driven shaft middle flange is fixedly installed in the installation cavity, a driven shaft lower flange is installed at the lower portion of the bottom shell, the driven shaft respectively penetrates through the driven shaft middle flange and the driven shaft lower flange, and a bearing is installed between the driven shaft middle flange and the driven shaft lower flange.
4. The floor grinding machine grinding device for reducing the oil leakage point as claimed in claim 1, wherein the revolution gear is meshed with a central fixed gear, and a Morse taper connection is adopted between the driven shaft and the revolution gear.
5. The floor grinding machine grinding device for reducing the oil leakage points as claimed in claim 1, wherein a plurality of idle gear shafts are installed in the installation cavity, idle gears are installed on the idle gear shafts, and the idle gears are located between the revolution gear and the central fixed gear and meshed with the revolution gear and the central fixed gear respectively.
6. The floor grinding machine grinding device for reducing the oil leakage point as claimed in claim 1 or 3, wherein a skeleton oil seal is mounted at the bearing.
7. The floor grinding machine grinding device for reducing the oil leakage point as claimed in claim 1, wherein a lower end of the central rotating shaft is provided with a lower flange of the central rotating shaft, and a bearing is installed between the lower flange of the central rotating shaft and the central rotating shaft.
8. The floor grinding machine grinding device for reducing oil leakage points as claimed in claim 1, wherein the number of the driven shafts is 3.
9. The floor grinding machine grinding device capable of reducing the oil leakage point as claimed in claim 5, wherein a middle plate is fixedly installed between the middle lower flange and the bottom shell through bolts, a plurality of idle gear shafts are rotatably installed on the middle plate, and the upper part of the driven shaft is rotatably connected with the middle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345970.7U CN216029792U (en) | 2021-06-17 | 2021-06-17 | Terrace grinding machine grinding device capable of reducing oil leakage points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121345970.7U CN216029792U (en) | 2021-06-17 | 2021-06-17 | Terrace grinding machine grinding device capable of reducing oil leakage points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029792U true CN216029792U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121345970.7U Active CN216029792U (en) | 2021-06-17 | 2021-06-17 | Terrace grinding machine grinding device capable of reducing oil leakage points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029792U (en) |
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2021
- 2021-06-17 CN CN202121345970.7U patent/CN216029792U/en active Active
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