CN2352910Y - Drying machine with zero level pushing force - Google Patents
Drying machine with zero level pushing force Download PDFInfo
- Publication number
- CN2352910Y CN2352910Y CN 98235909 CN98235909U CN2352910Y CN 2352910 Y CN2352910 Y CN 2352910Y CN 98235909 CN98235909 CN 98235909 CN 98235909 U CN98235909 U CN 98235909U CN 2352910 Y CN2352910 Y CN 2352910Y
- Authority
- CN
- China
- Prior art keywords
- pushing force
- gear
- zero level
- gear ring
- drying machine
- 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
Links
Images
Landscapes
- Gears, Cams (AREA)
Abstract
The utility model relates to a drying machine with zero level pushing force, which installs a driving gear at such a position, namely the included angle alpha 1 between the connecting line of the two center points of the drive gear and a gear ring and the horizontal line, which is equal to the engaging angle alpha of a gear pair. The mode of installation of the driving gear enables the level pushing force to become zero, coincides the load of four supporting wheels, reduces load of the supporting wheels and reduces the supporting wheel supporter. The utility model can be suitable for the improvement of drying machines with various specifications.
Description
The utility model relates to building materials chemical industry equipment, is a kind of novel zero level thrust dryer.
Dryer is mainly by drying cylinder, be contained in the gear ring on the drying cylinder, drive the driven wheel of gear ring and the riding wheel apparatus of supporting drying cylinder, in present design, driven wheel generally is conveniently positioning according to the scene, majority is installed on the central horizontal line of gear ring, and this mounting means is inevitable when the gear drive gear ring, produce a bigger horizontal thrust, make four riding wheel apparatus loads increase, and bigger poor power is arranged, common roller bracket width is bigger.
The utility model is at the problems referred to above, and a kind of zero level thrust dryer is provided.
Concrete scheme of the present utility model is: driven wheel is installed on such position, that is: the line of driven wheel and gear ring two central points and horizontal angle α
1, equal the meshingangle of gear pair.
This installation design, can make the horizontal thrust in the gear drive is zero, thereby make four support rollers load under the drying cylinder consistent, load reduces 8%: and the bearing angle β that can make support roller is by being reduced to 20 ° greater than 30 ° usually, and then roller bracket is that the frame width shortens 30%.
The utility model will be further described below in conjunction with accompanying drawing:
Accompanying drawing is the utility model structural design schematic diagram.
Embodiment: referring to accompanying drawing, among the figure, 1-drying cylinder, 2-support roller, 3-gear ring, 4-driven wheel.Driven wheel 4 is 22 ° with the meshingangle of gear ring 3 in the utility model, and then driven wheel 4 is installed on such position, even the O1-O line becomes α with horizontal line A-A
122 ° of angles.To make horizontal thrust be zero in installation like this.
This be because: under the effect of gear 4 in torque, when driving gear ring 3 runnings, except produce one with engagement center line O-O
1Outside the vertical tangential force P, because the angle of engagement of gear pair certainly leads to one and O-O
1The radial load P that overlaps
r, under as the figure arrangement condition, the direction of their projections on horizontal axis A-A is just in time opposite, if with O-O
1Angle α with A-A
1When equating with the meshingangle of gear pair, then P and P
rProjection on A-A is with equal and opposite in direction, and direction is opposite, and then horizontal thrust is O, proves as follows: now establish engagement center line O-O
1With the angle of horizontal line A-A line be α
1, the gears engaged angle is α, engagement force is P during running
n, as figure, using the resultant moment theorem can be with engagement force P
nResolve into tangential force P and radial load P
r, then
P=P
nCOS α P
r=P
nSIN α and P
r=P*tg α=P*SIN α/COS α
So, P, P
rIn the horizontal direction make a concerted effort be:
∑X=-PSINα
1+P
rCOSα
1=-PSINα
1+P*SINα/COSα*COSα
1
As α＜α
1In the time of＜90 °, ∑ X＜O (be oriented left to horizontal thrust)
α
1During＜α, ∑ X＞O (being the horizontal thrust of oriented right)
α
1During=α, ∑ X=O (being that horizontal direction thrust is zero) card is finished.
Claims (1)
1. zero level thrust dryer has drying cylinder, riding wheel apparatus, be contained in the gear ring on the drying cylinder, with the driven wheel of gear ring engagement, it is characterized in that: driven wheel is mounted on such position, i.e. the line of driven wheel and gear ring two central points and horizontal angle α
1Equal the meshingangle of gear pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98235909 CN2352910Y (en) | 1998-06-11 | 1998-06-11 | Drying machine with zero level pushing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98235909 CN2352910Y (en) | 1998-06-11 | 1998-06-11 | Drying machine with zero level pushing force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2352910Y true CN2352910Y (en) | 1999-12-08 |
Family
ID=33984086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98235909 Expired - Fee Related CN2352910Y (en) | 1998-06-11 | 1998-06-11 | Drying machine with zero level pushing force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2352910Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743224A (en) * | 2014-01-20 | 2014-04-23 | 黄石市建材节能设备总厂 | Dual-drive heavy dryer with zero horizontal thrust |
-
1998
- 1998-06-11 CN CN 98235909 patent/CN2352910Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743224A (en) * | 2014-01-20 | 2014-04-23 | 黄石市建材节能设备总厂 | Dual-drive heavy dryer with zero horizontal thrust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |