CN201572671U - High-speed shaft structure of transmission device of grinding mill - Google Patents
High-speed shaft structure of transmission device of grinding mill Download PDFInfo
- Publication number
- CN201572671U CN201572671U CN2009201650336U CN200920165033U CN201572671U CN 201572671 U CN201572671 U CN 201572671U CN 2009201650336 U CN2009201650336 U CN 2009201650336U CN 200920165033 U CN200920165033 U CN 200920165033U CN 201572671 U CN201572671 U CN 201572671U
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- China
- Prior art keywords
- speed shaft
- bearing
- housing
- cover
- bearing holder
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Abstract
The utility model discloses a high-speed shaft structure of a transmission device of a grinding mill, which comprises a bearing sleeve mounted on a speed reducer case in a nesting manner. Bearings at two ends of the bearing sleeve support the high-speed shaft; one end of the high-speed shaft extends into the speed reducer case; one end of the high-speed shaft extends out of the bearing sleeve; a gland is matched with the outer port of the bearing sleeve; at least one oil return channel communicated with the bearing position and the speed reducer case is arranged on the bearing sleeve; the oil return channel comprises an oil hole and an oil groove; the oil hole originates from the inner wall of the bearing sleeve; and the oil groove is formed in the wall of the bearing sleeve. The high-speed shaft structure adopts the structure that the oil hole and the oil groove are formed on the bearing sleeve to form an oil return channel, and lubrication oil entering the bearing sleeve can flow into the speed reducer case through the oil return channel, therefore, the flow of the lubrication oil is smooth, local overheating of the bearing is avoided, and the bearing is well lubricated and protected from being damaged.
Description
(1) technical field:
The utility model relates to transmission device, specifically is the high speed shaft structure in a kind of flour mill transmission device.
(2) background technology:
The transmission device of flour mill is a reducing gear, by the input high speed shaft and output slow-speed shaft constitute, between high speed shaft and the slow-speed shaft by the double reduction transmission.Comprise high speed shaft in the high speed shaft structure, high speed shaft is supported in the bearing holder (housing, cover) by bearings at both ends, and bearing holder (housing, cover) is nested to be connected in the deceleration box interface, and the bearing holder (housing, cover) port outside the deceleration box is by the gland capping.During the work of this transmission device, the lubricating oil splash in the deceleration box is gone in the bearing holder (housing, cover), and the bearing at bearing holder (housing, cover) two ends is lubricated.
Find as easy as rolling off a log the burning out of bearing (particularly gland end bearing) of bearing holder (housing, cover) in actual the use, be by analysis since the lubricating oil of bearing holder (housing, cover) bearing position flow not smooth, because of bearing heating institute extremely.
(3) utility model content:
At the weak point of above-mentioned transmission device, the purpose of this utility model has provided a kind of high speed shaft structure of improving lubricating condition, reducing the flour mill transmission device of bearing heating.
Can realize the high speed shaft structure of the flour mill transmission device of above-mentioned purpose, comprise bearing holder (housing, cover), bearing, high speed shaft and gland, bearing holder (housing, cover) is nested to be installed in the interface of reductor casing, the bearing holder (housing, cover) external port is installed gland, the bearing holder (housing, cover) two ends are provided with bearing, high speed shaft is supported on the bearings at both ends in bearing holder (housing, cover), one end of high speed shaft stretches in the reductor casing, the other end of high speed shaft is stretched outside bearing holder (housing, cover), different is to offer at least one drainback passage on the described bearing holder (housing, cover), this drainback passage is communicated with bearing position and reductor casing, the lubricating oil water conservancy diversion of bearing holder (housing, cover) bearing position is gone into the reductor casing form circulation.
Described drainback passage comprises oilhole and oil groove, and oil groove is opened in the bearing jacket wall, and oilhole originates in the bearing holder (housing, cover) inwall and inwardly communicates with oil groove.
A kind of simple processing method of described oil groove is that it is opened on the bearing holder (housing, cover) outer wall.
Damage the big phenomenon of chance at the gland end bearing, described drainback passage can be communicated with gland end bearing position and reductor casing separately, this moment, described oilhole should also will be offered the through hole that communicates with oilhole on the gland corresponding to the gland position, and the lubricating oil water conservancy diversion of gland end is come out.
Advantage of the present utility model:
High speed shaft structure in the utility model flour mill transmission device is to offer oilhole and oil groove on original bearing holder (housing, cover), form a drainback passage, make the lubricating oil that enters in the bearing holder (housing, cover) flow into deceleration box by drainback passage, structure after the improvement makes lubricating oil can freely not make the bearing hot-spot because of circulation, thereby make bearing obtain good lubrication, prevent to damage.
(4) description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the johning knot composition of Fig. 1 embodiment and reductor casing.
Figure number sign: 1, reductor casing; 2, bearing holder (housing, cover); 3, bearing; 4, high speed shaft; 5, gland; 6, oilhole; 7, oil groove; 8, through hole; 9, bevel gear.
(5) specific embodiment:
The high speed shaft structure of the utility model flour mill transmission device is the power input structure in the flour mill transmission device, mainly by bearing holder (housing, cover) 2, bearing 3, high speed shaft 4 and gland 5 constitute, what the two ends of bearing holder (housing, cover) 2 were provided with is biserial radial roller bearing 3, high speed shaft 4 crosses bearing holder (housing, cover) 2 and is supported by bearings at both ends 3, bearing holder (housing, cover) 2 integral body are connected with the interface of reductor casing 1 is nested, this end high speed shaft 4 stretches in the reductor casing 1, the coaxial bevel gear 9 that is connected of its axle head, gland 5 cooperations are installed on bearing holder (housing, cover) 2 external port, these end high speed shaft 4 projecting shaft bearing sleeves 2 connect motor, as Fig. 1, shown in Figure 2.
As shown in Figure 1, the hollow axle end of gland 5 enters bearing holder (housing, cover) 2 thrust bearings 3, offer a radial direction oil hole 6 on bearing holder (housing, cover) 2 inwalls of gland 5 hollow axle end correspondences, oilhole 6 passes bearing holder (housing, cover) 2 and arrives bearing holder (housing, cover) 2 outer walls, offer an axial oil groove 7 that leads to reductor casing 1 along bearing holder (housing, cover) 2 outer walls, corresponding to oilhole 6 positions, on the hollow axle end of gland 5, offer a through hole 8, through hole 8, oilhole 6 and oil groove 7 constitute a drainback passage, and the lubricating oil water conservancy diversion of gland 5 one side bearing positions is gone in the reductor casing 1.
Claims (5)
1. the high speed shaft structure in the flour mill transmission device, comprise bearing holder (housing, cover) (2), bearing holder (housing, cover) (2) is nested in reductor casing (1) interface, bearing holder (housing, cover) (2) external port is combined with gland (5), high speed shaft (4) in bearing (3) supporter at bearing holder (housing, cover) (2) two ends is characterized in that: the drainback passage that offers at least one connection bearing position and reductor casing (1) on the described bearing holder (housing, cover) (2).
2. the high speed shaft structure in the flour mill transmission device according to claim 1 is characterized in that: described drainback passage comprises oilhole (6) and oil groove (7), and oilhole (6) originates in bearing holder (housing, cover) (2) inwall, and oil groove (7) is opened in bearing holder (housing, cover) (2) wall.
3. the high speed shaft structure in the flour mill transmission device according to claim 2 is characterized in that: described oil groove (2) is opened in bearing holder (housing, cover) (2) outer wall.
4. according to the high speed shaft structure in any one described flour mill transmission device in the claim 1～3, it is characterized in that: described drainback passage is communicated with gland (5) end bearing position and reductor casing.
5. the high speed shaft structure in the flour mill transmission device according to claim 4 is characterized in that: described oilhole (6) offers the through hole (8) that communicates with oilhole (6) corresponding to gland (5) position on the gland (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201650336U CN201572671U (en) | 2009-12-31 | 2009-12-31 | High-speed shaft structure of transmission device of grinding mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201650336U CN201572671U (en) | 2009-12-31 | 2009-12-31 | High-speed shaft structure of transmission device of grinding mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201572671U true CN201572671U (en) | 2010-09-08 |
Family
ID=42692551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201650336U Expired - Lifetime CN201572671U (en) | 2009-12-31 | 2009-12-31 | High-speed shaft structure of transmission device of grinding mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201572671U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562826A (en) * | 2012-02-21 | 2012-07-11 | 张家港市东航机械有限公司 | Rotation structure for wrapping machine |
| CN103394394A (en) * | 2013-07-26 | 2013-11-20 | 桂林桂冶粉磨机械有限公司 | Installation structure for central shaft and central shaft bracket of powder mill |
| CN104747608A (en) * | 2015-04-02 | 2015-07-01 | 云南国土资源职业学院 | Rotary vibratory force head main shaft device |
| CN106211591A (en) * | 2016-08-31 | 2016-12-07 | 竞陆电子(昆山)有限公司 | Water absorber for pcb board finished product cleaning product line |
-
2009
- 2009-12-31 CN CN2009201650336U patent/CN201572671U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562826A (en) * | 2012-02-21 | 2012-07-11 | 张家港市东航机械有限公司 | Rotation structure for wrapping machine |
| CN103394394A (en) * | 2013-07-26 | 2013-11-20 | 桂林桂冶粉磨机械有限公司 | Installation structure for central shaft and central shaft bracket of powder mill |
| CN104747608A (en) * | 2015-04-02 | 2015-07-01 | 云南国土资源职业学院 | Rotary vibratory force head main shaft device |
| CN106211591A (en) * | 2016-08-31 | 2016-12-07 | 竞陆电子(昆山)有限公司 | Water absorber for pcb board finished product cleaning product line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |