CN205266256U - Harvester fan - Google Patents
Harvester fan Download PDFInfo
- Publication number
- CN205266256U CN205266256U CN201521121554.3U CN201521121554U CN205266256U CN 205266256 U CN205266256 U CN 205266256U CN 201521121554 U CN201521121554 U CN 201521121554U CN 205266256 U CN205266256 U CN 205266256U
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- CN
- China
- Prior art keywords
- bearing
- blower fan
- blade
- axle
- harvesting
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a reap the fan, include: fan axle, strutting arrangement, blade, blade retention device, drive wheel, the fan axle is installed on strutting arrangement, and the drive wheel is installed to the one end of fan axle, and the blade is installed through the blade retention device to the other end. The utility model discloses a technique aim at provides that a transmission is simple, the bearing is difficult for into the ash, the reliability is higher, efficiency is higher, the air -out is more even, bear the harvester fan that the axial force is stronger.
Description
Technical field
The utility model relates to reaper field, particularly a kind of harvesting blower fan.
Background technology
Blower fan is working part important on reaper, the method utilizing the difference of the air dynamic behaviour of grain and Slag inclusion to carry out cleaning obtains on reaper generally to be applied, in order to improve the clean-up performance of received grain and reduce cleaning loss, the stream condition of blower fan outlet should meet the requirements, comprising flow, dynamic pressure and static pressure should be uniform along the distribution of impeller width.
The efficiency of traditional blower fan is poor, the transmission mechanism of blower fan is too complicated, the bearing of blower fan easily enters ash, causes Bearing Temperature, reduces the reliability of blower fan, the blade air-out of traditional blower fan is uneven, cause having grain be blown and grain Slag inclusion too much, traditional blower fan fan bearing is poor by axial force, causes the power wheel on blower fan axle and fan blade vibration displacement excessive, easily there is the accidents such as blade breakage, reduce the reliability of blower fan.
Practical novel content
For the deficiency that the blower fan of above-mentioned harvesting exists, technical purpose of the present utility model is to provide that a kind of transmission mechanism is simple, bearing not easily enters ash, reliability is higher, efficiency is higher, air-out evenly, bear the stronger reaper blower fan of axial force.
The utility model is achieved through the following technical solutions:
A kind of harvesting blower fan, comprising: blower fan axle, bracing or strutting arrangement, blade, blade stationary installation, power wheel, and described blower fan axle is arranged on bracing or strutting arrangement, and one end of blower fan axle is provided with power wheel, and the other end is provided with blade by blade stationary installation.
Further, described bracing or strutting arrangement comprises: A bearing, B bearing, support, A bearing and B bearing are arranged on the bearing support of support respectively.
Further, described blade stationary installation comprises some blade seats and axle sleeve, and blade seat is evenly arranged on the column jacket disc of axle sleeve, and blade seat is installed with blade.
Further, described blower fan axle is at least provided with two installing positions of bearings, described blower fan axle is arranged on A bearing and the inner ring of B bearing, blower fan axle between A bearing and B bearing is set with long sleeve pipe, it is set with short sleeve near blade tail end at long sleeve pipe, power wheel and blade stationary installation are fixedly mounted on its two ends by nut by blower fan axle, and blower fan axle prevents from relatively rotating with power wheel by key.
Further, the outside of described blade is provided with blower housing, and the end face of described blower housing is mounted by means of bolts on the sidewall of support.
Further, the external cylindrical surface of described power wheel is provided with the groove of annular, and the cross-sectional shape of groove is trapezoidal.
Further, the shape of described blade is the rectangle being cut off an angle, and the blast inlet near blower housing is installed in the position at the angle that blade is cut off.
Further, described A bearing and B bearing are respectively spherical ball bearing, deep groove ball bearing.
Further, between the outer wall of described long sleeve pipe and the sidewall of bearing support, step cover is installed.
The beneficial effects of the utility model are:
1, by the bearing supporting blower fan axle is set to A bearing, B bearing, A bearing and B bearing are respectively spherical ball bearing, deep groove ball bearing, this kind of structure can either bear axial force, also radial force can be born, and there is aligning performance, make the reliability of blower fan higher, can bear Different Diameter to, the change of thrust load, blower fan axle between A bearing and B bearing is set with long sleeve pipe, make the structure of blower fan firmer and can to the effect playing solid bearing, between the outer wall and the sidewall of bearing support of long sleeve pipe, step cover is installed, can prevent dust from entering in bearing, bearing not easily enters ash, make bearing more durable, the efficiency of blower fan is higher, better reliability, by at A bearing, the outer face cooperation of B bearing is provided with circlip for hole, make A bearing, the installation of B bearing is more fastening, when receiving impact, also has certain buffering surplus,
2, by being provided with power wheel in one end of blower fan axle so that the transmission rig of blower fan is simple, efficiency height, cost are low;
3, by being the rectangle being cut off an angle by the shape of blade so that the efficiency of fan blade is higher, fan blade air-out evenly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure mark: 1 be blower fan axle, 2 for key, 3 for A bearing, 4 for B bearing, 5 for power wheel, 6 for support, 7 for step cover, 8 for long sleeve pipe, 9 for short sleeve, 10 for bearing support, 11 for blade seat, 12 for blower housing, 13 for blade, 14 for circlip for hole, 15 for nut, 16 for bracing or strutting arrangement, 17 for blade stationary installation, 18 be axle sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
A kind of harvesting blower fan as shown in Figure 1, comprise: blower fan axle 1, key 2, A bearing 3, B bearing 4, power wheel 5, support 6, step cover 7, long sleeve pipe 8, short sleeve 9, bearing support 10, blade seat 11, blower housing 12, blade 13, circlip for hole 14, nut 15, bracing or strutting arrangement 16, blade stationary installation 17, axle sleeve 18, described blower fan axle 1 is arranged on bracing or strutting arrangement 16, one end of blower fan axle 1 is provided with power wheel 5, and the other end is provided with blade 13 by blade stationary installation 17.
Wherein, power wheel 5, blower fan axle 1 and blade 13 are supported by bracing or strutting arrangement 16, and power wheel 5 is the power intake of blower fan, thus drive blower fan axle 1 and blade 13 to rotate.
Described bracing or strutting arrangement 16 comprises: A bearing 3, B bearing 4, support 6, A bearing 3 and B bearing 4 are arranged on the bearing support of support 6 respectively, and the outer face cooperation of A bearing 3, B bearing 4 is provided with circlip for hole 14.
Wherein, by coordinating in the outer face of A bearing 3, B bearing 4, circlip for hole 14 is installed so that the installation of A bearing 3, B bearing 4 is more fastening, when receiving impact, also has certain buffering surplus.
Described blade stationary installation 17 comprises some blade seats 11 and axle sleeve 18, and blade seat 11 is evenly arranged on the column jacket disc of axle sleeve 18, and blade seat 11 is installed with blade 13.
Wherein, axle sleeve 18 is directly installed on blower fan axle 1, by being evenly arranged on by blade seat 11 on the external cylindrical surface of axle sleeve 18, is installed with blade 13 on blade seat 11, thus band rotor blade 13 rotates.
Described blower fan axle 1 is at least provided with two installing positions of bearings, described blower fan axle 1 is arranged on the inner ring of A bearing 3 with B bearing 4, blower fan axle 1 between A bearing 3 and B bearing 4 is set with long sleeve pipe 8, it is set with short sleeve 9 near blade 13 tail end at long sleeve pipe 8, power wheel 5 and blade stationary installation 17 are fixedly mounted on its two ends by nut 15 by blower fan axle 1, and blower fan axle 1 prevents from relatively rotating with power wheel 5 by key 2.
Wherein, blower fan axle 4 between A bearing 3 and B bearing 4 is set with long sleeve pipe 8, make the structure of blower fan firmer and can to the effect playing solid bearing, nut 15 plays the fixed action of power wheel 5 with blade stationary installation 17, blower fan axle 1 prevents from relatively rotating with power wheel 5 by key 2, and usual key 2 is flat key.
The outside of described blade 13 is provided with blower housing 12, and the end face of described blower housing 12 is mounted by means of bolts on the sidewall of support 1.
Wherein, blower housing 12 plays the effect of collection wind and water conservancy diversion.
The external cylindrical surface of described power wheel 5 is provided with the groove of annular, and the cross-sectional shape of groove is trapezoidal.
Wherein, being provided with the trapezoidal groove of annular on the external cylindrical surface of power wheel 5, can install transmission belt in trapezoidal groove, transmission belt drives power wheel 5 to rotate.
The shape of described blade 13 is the rectangle being cut off an angle, and the blast inlet near blower housing 12 is installed in the position at the angle that blade 13 is cut off.
Wherein, by being the rectangle being cut off an angle by the shape of blade so that the efficiency of fan blade is higher, fan blade air-out evenly.
Described A bearing 3 and B bearing 4 are respectively spherical ball bearing, deep groove ball bearing.
Wherein, the bearing supporting blower fan axle 1 is set to A bearing 3, B bearing 4, A bearing 3 and B bearing 4 are respectively spherical ball bearing, deep groove ball bearing, this kind of structure can either bear axial force, also radial force can be born, and there is aligning performance so that the reliability of blower fan is higher, it is possible to bear the change of Different Diameter to, thrust load.
Between the outer wall of described long sleeve pipe 8 and the sidewall of bearing support, step cover 7 is installed.
Wherein, being provided with step cover 7 between the outer wall and the sidewall of bearing support of long sleeve pipe 8, it is possible to preventing dust from entering in bearing, bearing not easily enters ash so that bearing is more durable, the efficiency of blower fan is higher, better reliability.
Support 6 can be set to about two supports, bearing support is installed on the frame 6, bearing is installed in bearing support, A bearing 3 in left end shaft bearing is spherical ball bearing, B bearing in right-hand member bearing support is deep groove ball bearing, when bearing is installed, must annotate in bearing and meet the lubricant of specified amount, the material of the blade 13 of blower fan can be metal or plastics, usually iron sheet metal material is selected, the quantity of blade 13 is 6, blade 13 is evenly arranged and is arranged in blade stationary installation 17, blade seat 11 and the axle sleeve 18 of blade stationary installation 17 can be set to integral type, long bobbin 8 is weldless steel tube with short pain pipe 9, convenient like this processing, reduce production cost.
Claims (9)
1. a harvesting blower fan, it is characterized in that, comprise: blower fan axle (1), bracing or strutting arrangement (16), blade (13), blade stationary installation (17), power wheel (5), described blower fan axle (1) is arranged on bracing or strutting arrangement (16), one end of blower fan axle (1) is provided with power wheel (5), and the other end is provided with blade (13) by blade stationary installation (17).
2. harvesting blower fan according to claim 1, it is characterized in that, described bracing or strutting arrangement (16) comprising: A bearing (3), B bearing (4), support (6), A bearing (3) and B bearing (4) are arranged on the bearing support of support (6) respectively, and the outer face cooperation of A bearing (3), B bearing (4) is provided with circlip for hole (14).
3. harvesting blower fan according to claim 1, it is characterized in that, described blade stationary installation (17) comprises some blade seats (11) and axle sleeve (18), and blade seat (11) is evenly arranged on the column jacket disc of axle sleeve (18), and blade seat (11) is installed with blade (13).
4. harvesting blower fan according to claim 1, it is characterized in that, described blower fan axle (1) is at least provided with two installing positions of bearings, described blower fan axle (1) is arranged on the inner ring of A bearing (3) with B bearing (4), blower fan axle (1) between A bearing (3) and B bearing (4) is set with long sleeve pipe (8), it is set with short sleeve (9) near blade (13) tail end at long sleeve pipe (8), power wheel (5) and blade stationary installation (17) are fixedly mounted on its two ends by nut (15) by blower fan axle (1), blower fan axle (1) prevents from relatively rotating with power wheel (5) by key (2).
5. harvesting blower fan according to claim 1, it is characterised in that, the outside of described blade (13) is provided with blower housing (12), and the end face of described blower housing (12) is mounted by means of bolts on the sidewall of support (1).
6. harvesting blower fan according to claim 1, it is characterised in that, the external cylindrical surface of described power wheel (5) is provided with the groove of annular, and the cross-sectional shape of groove is trapezoidal.
7. harvesting blower fan according to claim 1, it is characterised in that, the shape of described blade (13) is the rectangle being cut off an angle, and the blast inlet near blower housing (12) is installed in the position at the angle that blade (13) is cut off.
8. harvesting blower fan according to claim 2, it is characterised in that, described A bearing (3) and B bearing (4) are respectively spherical ball bearing, deep groove ball bearing.
9. harvesting blower fan according to claim 4, it is characterised in that, between the outer wall of described long sleeve pipe (8) and the sidewall of bearing support, step cover (7) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521121554.3U CN205266256U (en) | 2015-12-31 | 2015-12-31 | Harvester fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521121554.3U CN205266256U (en) | 2015-12-31 | 2015-12-31 | Harvester fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205266256U true CN205266256U (en) | 2016-06-01 |
Family
ID=56050900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521121554.3U Expired - Fee Related CN205266256U (en) | 2015-12-31 | 2015-12-31 | Harvester fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205266256U (en) |
-
2015
- 2015-12-31 CN CN201521121554.3U patent/CN205266256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20171231 |