CN220551469U - Structure of reduction box for grinding machine - Google Patents
Structure of reduction box for grinding machine Download PDFInfo
- Publication number
- CN220551469U CN220551469U CN202322348440.3U CN202322348440U CN220551469U CN 220551469 U CN220551469 U CN 220551469U CN 202322348440 U CN202322348440 U CN 202322348440U CN 220551469 U CN220551469 U CN 220551469U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- reduction gearbox
- shaft sleeve
- gearbox body
- top plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000009467 reduction Effects 0.000 title claims abstract description 66
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to a speed reduction box structure of a grinding machine, which comprises a speed reduction box body, wherein output shaft sleeves are vertically arranged on two sides in the speed reduction box body respectively; the upper part of the output shaft sleeve penetrates through the top plate of the reduction gearbox body and is provided with a thrust ball bearing which is rotationally connected with the top plate of the reduction gearbox body; the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the gearbox body, and the lower end of the output shaft sleeve extends out of the bottom plate of the gearbox body; the reduction box body is internally and rotatably connected with a driving shaft which drives the output shaft sleeve to rotate through a gear pair. The reduction gearbox is compact in structure and is beneficial to improving axial stress.
Description
Technical Field
The utility model relates to a reduction gearbox structure of a grinding machine.
Background
Floor grinders are known and are used to polish or grind floor surfaces, with the aim of producing a flat and/or glossy floor surface, or with the aim of refreshing such surfaces that are deteriorated or have been damaged by, for example, wear.
During the use of the grinding machine, the output shaft sleeve can bear thrust from the axial direction, and the upper part and the lower part of the output shaft sleeve of the reduction gear box of the existing floor grinding machine are usually provided with a deep groove ball bearing to realize the rotary connection with the reduction gear box, so that the requirement of axial stress cannot be met.
Disclosure of Invention
The utility model aims to provide a reduction gearbox structure of a grinding machine, which is compact in structure and is beneficial to improving axial stress.
The technical scheme of the utility model is as follows: the speed reduction box structure of the grinding machine comprises a speed reduction box body, wherein output shaft sleeves are vertically arranged on two sides in the speed reduction box body respectively; the upper part of the output shaft sleeve penetrates through the top plate of the reduction gearbox body and is provided with a thrust ball bearing which is rotationally connected with the top plate of the reduction gearbox body; the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the gearbox body, and the lower end of the output shaft sleeve extends out of the bottom plate of the gearbox body; the reduction box body is internally and rotatably connected with a driving shaft which drives the output shaft sleeve to rotate through a gear pair.
Further, the upper part of the output shaft sleeve is rotationally connected with the top plate of the reduction gearbox body through a thrust ball bearing and a deep groove ball bearing, and the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the reduction gearbox body through a deep groove ball bearing.
Further, an upper bearing seat for installing a thrust ball bearing and a deep groove ball bearing is fixed on the top plate of the gearbox body, and a lower bearing seat for installing the deep groove ball bearing is fixed on the bottom plate of the gearbox body.
Further, the gear pair comprises a driving gear arranged on the driving shaft, the middle parts of the output shaft sleeves are all fixed with driven gears, the driving gear is meshed with the driven gears on the output shaft sleeve positioned on one side through a first transition gear, and the driving gear is meshed with the driven gears on the output shaft sleeve positioned on the other side through the first transition gear and a second transition gear.
Further, the driving shaft is arranged in the middle of the front side of the reduction gearbox body, and the driving shaft and the driving gear form a gear shaft.
Further, a connecting disc is arranged at the lower end of the output shaft sleeve.
Further, the fixed disk is installed to the lower extreme of connection pad, the week portion of fixed disk is provided with the location through-hole along circumference direction interval.
Further, a first motor connected with the driving shaft is fixed on the top plate of the reduction gearbox body, second motors are respectively fixed on two side parts of the top plate of the reduction gearbox body, and connecting sleeves extending into the output shaft sleeves are respectively fixed on the output shafts of the second motors.
Further, a first motor connected with the driving shaft through a first speed reducer is fixed on a top plate of the reduction gearbox body, second speed reducers driven by second motors are respectively fixed on two side parts of the top plate of the reduction gearbox body, and transmission connecting sleeves extending into the output shaft sleeves are respectively fixed on output shafts of the second speed reducers.
Further, the first motor and the second motor are permanent magnet motors respectively.
Compared with the prior art, the utility model has the following advantages: the reduction gearbox is compact in structure, and the axial stress of the output shaft sleeve is improved by installing the thrust ball bearing on the output shaft sleeve to be matched with the deep groove ball bearing. At the same time, the adjustment of the load of the mill can be facilitated by the use of three motors. And the fixing disc is provided with a positioning through hole, so that the fixing disc is convenient to position and install when matched with a transmission gear box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the gear pair of the present utility model;
FIG. 4 is an enlarged view of the output sleeve and bearing of the present utility model engaged;
in the figure: 10-a reduction gearbox body 11-a plug 20-an output shaft sleeve 21-a thrust ball bearing 22-a deep groove ball bearing 23-a deep groove ball bearing 24-an upper bearing seat 25-a lower bearing seat 26-a driven gear 30-a driving shaft 31-a driving gear 32-a first transition gear 33-a second transition gear 40-a connecting disc 50-a fixed disc 51-a positioning through hole 60-a first motor 61-a first speed reducer 70-a second motor 71-a second speed reducer 80-and connecting sleeves.
Detailed Description
In order to make the above features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below, but the present utility model is not limited thereto.
Referring to fig. 1 to 4
The speed reduction box structure of the grinding machine comprises a speed reduction box body 10, wherein output shaft sleeves 20 are vertically arranged on two sides in the speed reduction box body respectively; the upper part of the output shaft sleeve penetrates through the top plate of the reduction gearbox body, and is provided with a thrust ball bearing 21 which is rotationally connected with the top plate of the reduction gearbox body; the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the gearbox body, and the lower end of the output shaft sleeve extends out of the bottom plate of the gearbox body, so that the axial stress of the output shaft sleeve is improved; the reduction box body is rotationally connected with a driving shaft 30 which drives the output shaft sleeve to rotate through a gear pair, so that the output shaft sleeve is driven to rotate through the driving shaft, and the lower gear box of the grinding machine is driven to rotate.
In this embodiment, in order to further ensure the axial stress of the output shaft sleeve, the upper portion of the output shaft sleeve is rotatably connected with the top plate of the gearbox body through a thrust ball bearing 21 and a deep groove ball bearing 22, for example, the thrust ball bearing 21 is located below the upper and the deep groove ball bearings 22; the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the reduction gearbox body through a deep groove ball bearing 23.
In this embodiment, in order to better install the bearing, an upper bearing seat 24 for installing a thrust ball bearing and a deep groove ball bearing is fixed on the top plate of the reduction box body, and a lower bearing seat 25 for installing a deep groove ball bearing is fixed on the bottom plate of the reduction box body.
In this embodiment, in order to drive the output shaft sleeve to rotate, the gear pair includes a driving gear 31 disposed on the driving shaft, the driven gears 26 are fixed in the middle of the output shaft sleeve, the driving gear is meshed with the driven gear on the output shaft sleeve on one side via a first transition gear 32, and the driving gear is meshed with the driven gear on the output shaft sleeve on the other side via a first transition gear and a second transition gear 33. So that the rotation directions of the two output shaft sleeves are opposite.
In this embodiment, the upper and lower parts of the driving shaft are respectively connected with the reduction gearbox body in a rotating way through bearings.
In this embodiment, the driving shaft is disposed in the middle of the front side of the gearbox body, and the driving shaft and the driving gear form a gear shaft.
In this embodiment, the lower end of the output shaft sleeve is fixedly provided with a connecting disc 40 through a bolt.
In this embodiment, in order to be connected with the lower gear box of the grinding machine, the lower end of the connecting disc is fixedly provided with a fixing disc 50 through bolts, and the circumference of the fixing disc is provided with positioning through holes 51 at intervals along the circumferential direction, so that the installation and positioning of the transmission gear box are completed through the positioning through holes.
In this embodiment, in order to drive the driving shaft to rotate and help to adjust the load, a first motor 60 connected with the driving shaft is fixed on a top plate of the reduction gearbox body, second motors 70 are respectively fixed on two side portions of the top plate of the reduction gearbox body, connecting sleeves 80 extending into the output shaft sleeves are fixed on output shafts of the second motors, and the input transmission shaft is in rotational connection fit with the output shaft sleeves so as to be connected with a transmission input shaft of the transmission gearbox through the connecting sleeves.
In another embodiment, a first motor 60 connected with the driving shaft through a first reducer 61 is fixed on the top plate of the reduction gearbox body, second reducers 71 driven by a second motor 70 are respectively fixed on two side portions of the top plate of the reduction gearbox body, and transmission connecting sleeves 80 extending into the output shaft sleeves are fixed on the output shafts of the second reducers.
In this embodiment, the first motor and the second motor are permanent magnet motors respectively.
In this embodiment, an oil filling hole is installed on the top plate of the reduction gearbox body, and a plug 11 is screwed on the top plate.
Where the terms "first", "second", etc. are used herein to define components, those skilled in the art will recognize: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.
If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The speed reduction box structure of the grinding machine comprises a speed reduction box body and is characterized in that output shaft sleeves are vertically arranged on two sides in the speed reduction box body respectively; the upper part of the output shaft sleeve penetrates through the top plate of the reduction gearbox body and is provided with a thrust ball bearing which is rotationally connected with the top plate of the reduction gearbox body; the lower part of the output shaft sleeve is rotationally connected with the bottom plate of the gearbox body, and the lower end of the output shaft sleeve extends out of the bottom plate of the gearbox body; the reduction box body is internally and rotatably connected with a driving shaft which drives the output shaft sleeve to rotate through a gear pair.
2. The reduction gearbox structure of claim 1, wherein the upper part of the output shaft sleeve is rotatably connected with the top plate of the reduction gearbox body through a thrust ball bearing and a deep groove ball bearing, and the lower part of the output shaft sleeve is rotatably connected with the bottom plate of the reduction gearbox body through a deep groove ball bearing.
3. The reduction gearbox structure of claim 2, wherein an upper bearing seat for installing a thrust ball bearing and a deep groove ball bearing is fixed on a top plate of the reduction gearbox body, and a lower bearing seat for installing the deep groove ball bearing is fixed on a bottom plate of the reduction gearbox body.
4. A reduction gearbox structure of a grinding machine according to claim 1, 2 or 3, wherein the gear pair comprises a driving gear arranged on a driving shaft, driven gears are fixed in the middle of the output shaft sleeve, the driving gear is meshed with the driven gears on the output shaft sleeve on one side through a first transition gear, and the driving gear is meshed with the driven gears on the output shaft sleeve on the other side through the first transition gear and a second transition gear.
5. The reduction gearbox structure of claim 4, wherein the driving shaft is disposed at a front middle portion of the reduction gearbox body, and the driving shaft and the driving gear form a gear shaft.
6. The reduction gearbox structure of a grinder according to claim 1, 2, 3 or 5, wherein a connection disc is installed at a lower end of the output shaft sleeve.
7. The reduction gearbox structure of a grinder according to claim 6, wherein a fixing plate is installed at a lower end of the connecting plate, and positioning through holes are formed in a circumferential direction of a circumferential portion of the fixing plate at intervals.
8. The reduction gearbox structure of claim 1, wherein a first motor connected with the driving shaft is fixed on a top plate of the reduction gearbox body, second motors are respectively fixed on two side parts of the top plate of the reduction gearbox body, and connecting sleeves extending into the output shaft sleeves are respectively fixed on output shafts of the second motors.
9. The reduction gearbox structure of claim 1, wherein a first motor connected with the driving shaft through a first reducer is fixed on a top plate of the reduction gearbox body, second reducers driven by second motors are respectively fixed on two side parts of the top plate of the reduction gearbox body, and transmission connecting sleeves extending into the output shaft sleeve are respectively fixed on output shafts of the second reducers.
10. The grinder gearbox arrangement of claim 8 or 9, wherein the first motor and the second motor are each permanent magnet motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322348440.3U CN220551469U (en) | 2023-08-31 | 2023-08-31 | Structure of reduction box for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322348440.3U CN220551469U (en) | 2023-08-31 | 2023-08-31 | Structure of reduction box for grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551469U true CN220551469U (en) | 2024-03-01 |
Family
ID=90004400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322348440.3U Active CN220551469U (en) | 2023-08-31 | 2023-08-31 | Structure of reduction box for grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551469U (en) |
-
2023
- 2023-08-31 CN CN202322348440.3U patent/CN220551469U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269464A (en) | Precision rotating table device | |
| CN101886630A (en) | Double-screw air compressor | |
| CN201189608Y (en) | Precision rotating table apparatus | |
| CN205190700U (en) | Coaxial reduction gear is arranged to electricelectric motor car double reduction planet | |
| CN220551469U (en) | Structure of reduction box for grinding machine | |
| CN203686069U (en) | Speed reducer with stable transmission | |
| CN201407193Y (en) | Motor reducer output shaft stabilizing structure of circulating fan | |
| CN217108126U (en) | Integral planetary reduction gear | |
| CN206860839U (en) | Transmission device and there is its monorail train | |
| CN220551468U (en) | Transmission gear box structure of grinder | |
| CN212441931U (en) | Shaking equipment for adjusting phase angle by utilizing spiral spline | |
| CN209324971U (en) | Electromagnetism breakaway-element differential mechanism | |
| CN209324974U (en) | Breakaway-element gear-box | |
| CN201601592U (en) | Automatic stepless transmission of disc magnetic induction type engine-driven carrying device | |
| CN202367510U (en) | Tool inclination and tool rotation mechanism applied to numerical control gear milling machine for extended epicycloid bevel gears | |
| CN102886735A (en) | High and low-speed multifunctional headstock device | |
| CN113525055B (en) | Double-motor speed reducer | |
| CN216588599U (en) | Central driving structure of shield | |
| CN213711750U (en) | Speed reducer special for rotary drum equipment | |
| CN218533540U (en) | Double-drive clearance-eliminating servo turntable | |
| CN219796137U (en) | Planetary gear box for heading machine | |
| CN222114676U (en) | Deburring mechanism for mechanical part production | |
| CN220094254U (en) | Gear box and terrace grinding equipment with same | |
| CN217344625U (en) | Vertical power head assembly | |
| CN218953936U (en) | Reduction gearbox structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.34, Anping Juxian Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province, 362261 Patentee after: Fujian Xingyi Intelligent Equipment Co.,Ltd. Country or region after: China Address before: No.34, Anping Juxian Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province, 362261 Patentee before: FUJIAN XINGYI MACHINERY Co.,Ltd. Country or region before: China |