CN206637006U - A kind of gear box casing - Google Patents
A kind of gear box casing Download PDFInfo
- Publication number
- CN206637006U CN206637006U CN201720284379.2U CN201720284379U CN206637006U CN 206637006 U CN206637006 U CN 206637006U CN 201720284379 U CN201720284379 U CN 201720284379U CN 206637006 U CN206637006 U CN 206637006U
- Authority
- CN
- China
- Prior art keywords
- hole
- bearing hole
- bearing
- gear box
- box casing
- 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
It the utility model is related to a kind of gear box casing, including clutch housing made of spheroidal graphite cast-iron and gearbox, first axle bearing bore is respectively equipped with gearbox, second bearing hole, 3rd bearing hole and fourth bearing hole, first axle bearing bore is as the size of 3rd bearing hole, the line of centres in first axle bearing bore and 3rd bearing hole is point-blank, and with the axis of clutch housing point-blank, the utility model stabilization rational in infrastructure, firm and reliable connection, its intensity is very high, tensile strength reaches 60k, yield strength reaches 40k, and there are certain plasticity and good toughness, the cracked permeability in above-mentioned part of housing will not be caused because of high vibration or cause housing to be broken.
Description
Technical field
A kind of gear box casing is the utility model is related to, belongs to field of mechanical technique.
Background technology
Usually used casing class castings material is grey cast-iron.Gear box casing intensity, the plasticity of grey cast-iron are low, piece
Shape graphite isolates matrix, easily causes engine adpting flange and rear axle housing body adpting flange and clutch housing, gearbox to connect
Place's stress concentration is connect, fragility is big, its critical component being connected as tractor engine with body, it is very big to bear weight.On road
The cracked permeability in above-mentioned part that can cause housing because of high vibration is easy to when the bad section of condition or farm work
Or housing is caused to be broken.
Utility model content
The technical problems to be solved in the utility model is the deficiency for more than, there is provided a kind of gear box casing, the gearbox
Shell structure reasonably stability, firm and reliable connection, its intensity is very high, and has certain plasticity and good toughness, will not be because of
High vibration and cause the cracked permeability in above-mentioned part of housing or cause housing to be broken.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：A kind of gear box casing, including
Clutch housing made of spheroidal graphite cast-iron and gearbox, first axle bearing bore, second bearing hole, the 3rd axle are respectively equipped with gearbox
Bearing bore and fourth bearing hole, first axle bearing bore is as the size of 3rd bearing hole, the center in first axle bearing bore and 3rd bearing hole
Line point-blank, and with the axis of clutch housing point-blank.
Further improvement as above-mentioned technical proposal：
The center line in the second bearing hole and fourth bearing hole overlaps.
The second bearing hole position is in the underface of first axle bearing bore, center line and the first axle bearing bore in second bearing hole
The spacing of center line is 80.5mm.
Four the first bolts hole, the arranged on left and right sides difference in second bearing hole are uniformly provided with around the 3rd bearing hole
Provided with two the second bolts hole, the angle between two the second bolts hole is 60 degree.
The side in the first axle bearing bore and fourth bearing hole is provided with shift fork axis hole, the center of shift fork axis hole and clutch shaft bearing
Hole, fourth bearing hole center distance ratio be 58.7：57.5.
One end of the clutch housing is provided with engine adpting flange, and one end of gearbox is provided with back axle adpting flange.
The left side and right side of the engine adpting flange are respectively equipped with three the 3rd bolts hole, two neighboring 3rd bolt
Angle between hole is 15 degree.
The utility model takes above technical scheme, has advantages below：The utility model stabilization rational in infrastructure, connection jail
Gu reliable, its intensity is very high, and tensile strength reaches 60k, and yield strength reaches 40k, and has certain plasticity and good toughness, will not
Cause the cracked permeability in above-mentioned part of housing because of high vibration or cause housing to be broken.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of gear box casing in the utility model embodiment；
Accompanying drawing 2 is the left view of accompanying drawing 1；
Accompanying drawing 3 is the right view of accompanying drawing 1；
Accompanying drawing 4 is the sectional view of accompanying drawing 1.
In figure,
1- engine adpting flanges, 2- clutch housings, 3- gearboxes, 4- back axle adpting flanges, 5- first axle bearing bore, 6-
Second bearing hole, 7- shift fork axis holes, 8- 3rd bearings hole, the bolts hole of 9- first, the bolts hole of 10- second, the bolts hole of 11- the 3rd,
12- fourth bearings hole.
Embodiment
Embodiment, as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, a kind of gear box casing, including spheroidal graphite cast-iron are made
Clutch housing 2 and gearbox 3, one end of clutch housing 2 is provided with engine adpting flange 1, and one end of gearbox 3 is provided with
Back axle adpting flange 4, the left side and right side of engine adpting flange 1 are respectively equipped with three the 3rd bolts hole 11, and two neighboring
Angle between three bolts hole 11 is 15 degree；
First axle bearing bore 5, second bearing hole 6,3rd bearing hole 8 and fourth bearing hole 12 are respectively equipped with gearbox 3, the
One bearing hole 5 is as the size of 3rd bearing hole 8, and the line of centres in first axle bearing bore 5 and 3rd bearing hole 8 is in straight line
On, it is the fixed position of final drive shaft and with the axis of clutch housing 2 point-blank, second bearing hole 6 and the 4th
The center line of bearing hole 12 overlaps, and is the fixed position of jackshaft.Second bearing hole 6 is located at the underface of first axle bearing bore 5, the
The spacing of the center line of two bearing holes 6 and the center line of first axle bearing bore 5 is 80.5mm, is uniformly set around 3rd bearing hole 8
There are four the first bolts hole 9, the arranged on left and right sides in second bearing hole 6 is respectively equipped with two the second bolts hole 10, two the second bolts
Angle between hole 10 is 60 degree, and the side in first axle bearing bore 5 and fourth bearing hole 12 is provided with shift fork axis hole 7, shift fork axis hole 7
The distance ratio of center and first axle bearing bore 5, the center in fourth bearing hole 12 is 58.7：57.5.
The utility model stabilization rational in infrastructure, firm and reliable connection, its intensity is very high, and tensile strength reaches 60k, yield strength
Up to 40k, and there are certain plasticity and good toughness, will not cause the above-mentioned part of housing cracked because of high vibration
Permeability causes housing to be broken.
Claims (7)
- A kind of 1. gear box casing, it is characterised in that：Including clutch housing made of spheroidal graphite cast-iron（2）And gearbox（3）, become Fast case（3）Inside it is respectively equipped with first axle bearing bore（5）, second bearing hole（6）, 3rd bearing hole（8）With fourth bearing hole（12）, the One bearing hole（5）With 3rd bearing hole（8）Size is the same, first axle bearing bore（5）With 3rd bearing hole（8）The line of centres one On bar straight line, and and clutch housing（2）Axis point-blank.
- A kind of 2. gear box casing as claimed in claim 1, it is characterised in that：The second bearing hole（6）And fourth bearing Hole（12）Center line overlap.
- A kind of 3. gear box casing as claimed in claim 1, it is characterised in that：The second bearing hole（6）Positioned at first axle Bearing bore（5）Underface, second bearing hole（6）Center line and first axle bearing bore（5）The spacing of center line be 80.5mm.
- A kind of 4. gear box casing as claimed in claim 1, it is characterised in that：The 3rd bearing hole（8）Around uniformly Provided with four the first bolts hole（9）, second bearing hole（6）Arranged on left and right sides be respectively equipped with two the second bolts hole（10）, two Second bolt hole（10）Between angle be 60 degree.
- A kind of 5. gear box casing as claimed in claim 1, it is characterised in that：The first axle bearing bore（5）And fourth bearing Hole（12）Side be provided with shift fork axis hole（7）, shift fork axis hole（7）Center and first axle bearing bore（5）, fourth bearing hole（12）'s The distance ratio at center is 58.7：57.5.
- A kind of 6. gear box casing as claimed in claim 1, it is characterised in that：The clutch housing（2）One end be provided with Engine adpting flange（1）, gearbox（3）One end be provided with back axle adpting flange（4）.
- A kind of 7. gear box casing as claimed in claim 6, it is characterised in that：The engine adpting flange（1）Left side Three the 3rd bolts hole are respectively equipped with right side（11）, two neighboring 3rd bolt hole（11）Between angle be 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720284379.2U CN206637006U (en) | 2017-03-22 | 2017-03-22 | A kind of gear box casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720284379.2U CN206637006U (en) | 2017-03-22 | 2017-03-22 | A kind of gear box casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637006U true CN206637006U (en) | 2017-11-14 |
Family
ID=60250517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720284379.2U Expired - Fee Related CN206637006U (en) | 2017-03-22 | 2017-03-22 | A kind of gear box casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307807A (en) * | 2018-01-18 | 2018-07-24 | 陶运群 | Multi-purpose grass mower transmission case body structure |
-
2017
- 2017-03-22 CN CN201720284379.2U patent/CN206637006U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307807A (en) * | 2018-01-18 | 2018-07-24 | 陶运群 | Multi-purpose grass mower transmission case body structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |