CN109944922A - A kind of hot jacket bolt matable bent axle power output precision - Google Patents
A kind of hot jacket bolt matable bent axle power output precision Download PDFInfo
- Publication number
- CN109944922A CN109944922A CN201910371955.0A CN201910371955A CN109944922A CN 109944922 A CN109944922 A CN 109944922A CN 201910371955 A CN201910371955 A CN 201910371955A CN 109944922 A CN109944922 A CN 109944922A
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- Prior art keywords
- crankshaft
- flywheel
- power output
- flange
- bolt
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- 238000000034 method Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of hot jacket bolt matable bent axle power output precisions, including crankshaft, driving gear, one axle bearing of flange, flywheel and gearbox, the driving geared sleeve is on crankshaft, the flange is sleeved on crankshaft by hot cover process, the flywheel passes through flywheel fastening bolt and flanged joint, and the flywheel also passes through auxiliary fastening bolt and connect with crankshaft, one axle bearing of gearbox is embedded to be mounted in crankshaft.Hot jacket bolt matable bent axle power output precision of the invention, it is compact-sized, reliable and stable, the connection for improving flange and flywheel cooperates intensity, the torque value that flange is transmitted is effectively reduced, prevent crankshaft and flange Relative sliding, the duration and stability for ensuring power output, substantially prolong its service life.
Description
Technical field
The present invention relates to bent axle power export technique fields, more specifically, it relates to which a kind of hot jacket bolt matable is bent
Axis power output component.
Background technique
Bent axle power output for gear rear engine, as shown in Figure 1, current bent axle power output precision is main
Including crankshaft 1, driving gear 2, one axle bearing 6 of flange 3 and flywheel 4 and gearbox, wherein driving gear 2 using flat key 5 or
Interference fit connects to transmit torque, 3 inner hole of flange and crankshaft 1 by the way of interference fit, although structure, assembly technology are simple
It is single, but the torque of flywheel 4 is born by the mating surface between crankshaft and flange 3, this kind of output precision loses when working military service
The phenomenon that imitating (mating surface is trackslipped) happens occasionally, in addition, the fluctuation of 3 inner bore surface roughness of flange also influences whether and crankshaft
Cooperate intensity, therefore, the phenomenon that this kind of power output component failures is more frequent.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, provide a kind of compact-sized, stable
Reliable hot jacket bolt matable bent axle power output precision, the connection for improving flange and flywheel cooperate intensity, method are effectively reduced
The torque value that orchid is transmitted, prevents crankshaft and flange Relative sliding, it is ensured that the duration and stability of power output greatly prolong
Its service life.
The technical solution adopted by the present invention is that: a kind of hot jacket bolt matable bent axle power output precision, including crankshaft, drive
Moving gear, one axle bearing of flange, flywheel and gearbox, for the driving geared sleeve on crankshaft, the flange passes through heat
Cover process sleeve on the crankshaft, the flywheel by flywheel fastening bolt and flanged joint, and the flywheel also pass through it is auxiliary
Fastening bolt is helped to connect with crankshaft, one axle bearing of gearbox is embedded to be mounted in crankshaft.
As a further improvement, the crankshaft end-face is equipped at least two dowel holes.
Further, the crankshaft end-face offers the installation counterbore for installing one axle bearing of gearbox, in the peace
The bottom center for filling counterbore is equipped with the evacuation counterbore of evacuation one axle bearing inner ring of gearbox.
Further, the evacuation counterbore bottom surface is additionally provided at least one deep gouge radially arranged.
Further, the flywheel is equipped with multiple for installing the bolt through-hole of flywheel fastening bolt, correspondingly, institute
The flange stated is equipped with multiple for installing the bolt screw hole of flywheel fastening bolt.
Further, it is additionally provided on the flywheel on the inside of the bolt through-hole multiple for installing the countersunk head of auxiliary fastening bolt
Via hole, correspondingly, the crankshaft end-face is equipped with multiple installation screws for being used to install auxiliary fastening bolt.
Further, the flywheel side is equipped with positioning inserting groove, the diameter of the positioning inserting groove and the outer diameter of flange
It is adapted.
Further, the flywheel center is equipped with through-hole, and the diameter of the through-hole is greater than the inner ring of one axle bearing of gearbox
Diameter, and the diameter of the through-hole is less than the race diameter of one axle bearing of gearbox.
Further, the flange side outer rim is equipped with resigning annular groove.
Further, at least two flat keys are equipped between the driving gear and crankshaft.
Beneficial effect
Compared with prior art, the present invention having the advantage that
1, hot jacket bolt matable bent axle power output precision of the invention, it is compact-sized, reliable and stable, it is tight by flywheel
Flange connect with flywheel, fastening bolt is assisted to connect flywheel with crankshaft by fixing bolt, and matches in conjunction with crankshaft with flange shrink-on
Mode, make crankshaft, flange and three, flywheel tighten together to form the closing of power, the torque that any one component is born is equal
By other two component come shared, the connection for improving flange and flywheel cooperates intensity, the torsion that flange is transmitted is effectively reduced
Square value prevents crankshaft and flange Relative sliding, it is ensured that the duration and stability of power output substantially prolong it and use the longevity
Life.
2, the present invention avoids one axle bearing inner ring of gearbox and crankshaft from interfering, really by opening up evacuation counterbore in crankshaft
The rotation for protecting bearing is smooth, and adding by deep gouge, bearing easy to disassemble.
3, the present invention is used by opening up dowel hole, cooperation positioning pin on crankshaft end-face, is used for each when shrink-on
The phase alignment of component, convenient for assembly.
Detailed description of the invention
Fig. 1 is the main view the schematic diagram of the section structure of the prior art；
Fig. 2 is schematic view of the front view of the invention；
Fig. 3 is left view structural representation of the invention；
Fig. 4 is the schematic diagram of the section structure of A-A in Fig. 2；
Fig. 5 is the schematic diagram of the section structure of B-B in Fig. 3；
Fig. 6 is the stereochemical structure enlarged diagram of flywheel in the present invention；
Fig. 7 is the main view cross-section structure enlarged diagram of flange in the present invention；
Fig. 8 is the stereochemical structure enlarged diagram of crankshaft end-face in the present invention.
Wherein: 1- crankshaft, 2- driving gear, 3- flange, 4- flywheel, 5- flat key, one axle bearing of 6- gearbox, 7- flywheel are tight
Fixing bolt, 8- auxiliary fastening bolt, 11- dowel hole, 12- installation counterbore, 13- evacuation counterbore, 14- deep gouge, 15- install spiral shell
Hole, 31- bolt screw hole, 32- annular recessing groove, 41- bolt through-hole, 42- countersunk head via hole, 43- position inserting groove, 44- through-hole.
Specific embodiment
The present invention is described further for specific embodiment in reference to the accompanying drawing.
Refering to shown in Fig. 2-8, a kind of hot jacket bolt matable bent axle power output precision of the invention, including crankshaft 1, drive
Moving gear 2, one axle bearing 6 of flange 3, flywheel 4 and gearbox, wherein driving gear 2 is sleeved on crankshaft 1, and flange 3 passes through heat
Process sleeve is covered on crankshaft 1, after shrink-on is matched, hard vehicle or grinding end face is carried out to the end face of the two cooperation, it is ensured that the two
End face flush, flywheel 4 connect by flywheel fastening bolt 7 with flange 3, and flywheel 4 also by assist fastening bolt 8 and
Crankshaft 1 connects, and is fastenedly connected flywheel 4 simultaneously with flange 3, crankshaft 1 respectively by bolt, and one axle bearing 6 of gearbox is embedded
It is mounted in crankshaft 1.Hot jacket bolt matable bent axle power output precision of the invention, it is compact-sized, reliable and stable, by flying
Flange connect with flywheel, fastening bolt is assisted to connect flywheel with crankshaft by wheel fastening bolt, and combines crankshaft and flange hot jacket
The mode of assembly makes crankshaft, flange and three, flywheel tighten together to form the closing of power, the torsion that any one component is born
By other two component come shared, the connection for improving flange and flywheel cooperates intensity, flange is effectively reduced and is transmitted square
Torque value, prevent crankshaft and flange Relative sliding, it is ensured that the duration and stability of power output substantially prolong its use
Service life.
In the present embodiment, at least two dowel holes 11 are equipped in 1 end face of crankshaft, cooperation positioning pin uses, and is used for hot jacket
The phase alignment of all parts when dress, convenient for assembly.
The installation counterbore 12 for installing one axle bearing 6 of gearbox, one axle bearing 6 of gearbox are offered in 1 end face of crankshaft
Interference fit is mounted in installation counterbore 12, is equipped in evacuation one axle bearing 6 of gearbox in the bottom center of the installation counterbore 12
The evacuation counterbore 13 of circle avoids one axle bearing inner ring of gearbox and crankshaft from interfering, it is ensured that the rotation of bearing is smooth, in evacuation counterbore
13 bottom surfaces are additionally provided at least one deep gouge 14 radially arranged, bearing easy to disassemble is easy to operate.
Multiple bolt through-holes 41 for being used to install flywheel fastening bolt 7 are equipped on flywheel 4, correspondingly, flange 3 is equipped with
Multiple bolt screw holes 31 for being used to install flywheel fastening bolt 7, bolt through-hole 41, bolt screw hole 31 are all uniformly distributed, and more
A bolt through-hole 41 is corresponding with the position of multiple bolt screw holes 31, makes flywheel 4,3 uniform force of flange, easy to disassemble.In spiral shell
Multiple countersunk head via holes 42 for being used to install auxiliary fastening bolt 8 are additionally provided on the flywheel 4 of 41 inside of bolt via hole, correspondingly, in song
1 end face of axis is equipped with multiple installation screws 15 for being used to install auxiliary fastening bolt 8, and countersunk head via hole 42, installation screw 15 are all
It is uniformly distributed, multiple countersunk head via holes 42 are corresponding with the position of multiple installation screws 15, keep flywheel 4,1 end face stress of crankshaft equal
It is even, it is easy to disassemble, and multiple countersunk head via holes 42 are staggeredly arranged radially with multiple bolt through-holes 41, to improve the strong of flywheel 4
Degree.
It is equipped with positioning inserting groove 43 in 4 side of flywheel, the diameter of the positioning inserting groove 43 is adapted with the outer diameter of flange 3,
In assembly, a side positioning of flange 3 is plugged in the slot, and the two quick assembling may be implemented.It is equipped at 4 center of flywheel logical
Hole 44, the diameter of the through-hole 44 is greater than the inner ring diameter of one axle bearing 6 of gearbox, and the diameter of the through-hole 44 is less than gearbox one
The race diameter of axle bearing 6 can prevent bearing axial direction position by flywheel 4 to the one further locking of axle bearing 6 of gearbox in this way
It moves.It is equipped with annular recessing groove 32 in 3 side outer rim of flange, the gear teeth of driving gear 2 are avoided by the annular recessing groove 32, so as to
It is connect in driving gear 2 with other driven gears.Also, it drives and is equipped at least two flat keys 5 between gear 2 and crankshaft 1, pass through
Crankshaft 1 is connect by multiple flat keys 5 with driving gear 2, be can be improved transmission stability, is effectively extended the service life of component.
Driving gear 2 is first mounted on song by flat key 5 in assembly by the bent axle power output precision in the present embodiment
On axis 1, then by flange 3, (mode expanded with heat and contract with cold, then heating flange is interference fitted covers in song in such a way that shrink-on is matched
On axis, opposite can be locked after the two temperature is cooling), one axle bearing 6 of gearbox interference fit is then mounted on crankshaft 1
It is interior, finally flywheel 4 is connect with flange 3, crankshaft 1 respectively by flywheel fastening bolt 7, auxiliary fastening bolt 8, accordingly even when method
Blue 3 inner holes and crankshaft 1 cooperate the bonding area of section not increase, but at work, a part of torque that flywheel is born can
To be shared by crankshaft end-face, the torque value that flange 3 is transmitted is reduced, to reduce a possibility that failure occurs.
What has been described above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these all will not influence implementation of the present invention
Effect and patent practicability.
Claims (10)
1. a kind of hot jacket bolt matable bent axle power output precision, including crankshaft (1), driving gear (2), flange (3), flywheel
(4) and one axle bearing of gearbox (6), which is characterized in that the driving gear (2) is sleeved on crankshaft (1), the flange
(3) it being sleeved on crankshaft (1) by hot cover process, the flywheel (4) is connect by flywheel fastening bolt (7) with flange (3),
And the flywheel (4), also by assisting fastening bolt (8) to connect with crankshaft (1), one axle bearing of gearbox (6) is embedded
It is mounted in crankshaft (1).
2. a kind of hot jacket bolt matable bent axle power output precision according to claim 1, which is characterized in that described
Crankshaft (1) end face is equipped at least two dowel holes (11).
3. a kind of hot jacket bolt matable bent axle power output precision according to claim 1, which is characterized in that described
Crankshaft (1) end face offers the installation counterbore (12) for installing one axle bearing of gearbox (6), at the bottom of the installation counterbore (12)
Face center is equipped with the evacuation counterbore (13) of evacuation one axle bearing of gearbox (6) inner ring.
4. a kind of hot jacket bolt matable bent axle power output precision according to claim 3, which is characterized in that described
Evacuation counterbore (13) bottom surface is additionally provided at least one deep gouge (14) radially arranged.
5. a kind of hot jacket bolt matable bent axle power output precision according to claim 1, which is characterized in that described
Flywheel (4) is equipped with multiple bolt through-holes (41) for being used to install flywheel fastening bolt (7), correspondingly, on the flange (3)
Equipped with multiple for installing the bolt screw hole (31) of flywheel fastening bolt (7).
6. a kind of hot jacket bolt matable bent axle power output precision according to claim 5, which is characterized in that the spiral shell
Multiple countersunk head via holes (42) for being used to install auxiliary fastening bolt (8) are additionally provided on flywheel (4) on the inside of bolt via hole (41), accordingly
, crankshaft (1) end face is equipped with multiple for installing the installation screw (15) of auxiliary fastening bolt (8).
7. a kind of hot jacket bolt matable bent axle power output precision according to claim 1, which is characterized in that described
Flywheel (4) side is equipped with positioning inserting groove (43), and the diameter of the positioning inserting groove (43) is adapted with the outer diameter of flange (3).
8. a kind of hot jacket bolt matable bent axle power output precision according to claim 1, which is characterized in that described
Flywheel (4) center is equipped with through-hole (44), and the diameter of the through-hole (44) is greater than the inner ring diameter of one axle bearing of gearbox (6), and should
The diameter of through-hole (44) is less than the race diameter of one axle bearing of gearbox (6).
9. a kind of hot jacket bolt matable bent axle power output precision described in any one of -8 according to claim 1, special
Sign is that the flange (3) side outer rim is equipped with annular recessing groove (32).
10. a kind of hot jacket bolt matable bent axle power output precision according to claim 9, which is characterized in that described
Driving gear (2) and crankshaft (1) between be equipped at least two flat keys (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371955.0A CN109944922B (en) | 2019-05-06 | 2019-05-06 | Hot sleeve bolt fastening type crankshaft power output assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371955.0A CN109944922B (en) | 2019-05-06 | 2019-05-06 | Hot sleeve bolt fastening type crankshaft power output assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944922A true CN109944922A (en) | 2019-06-28 |
| CN109944922B CN109944922B (en) | 2024-03-26 |
Family
ID=67016999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910371955.0A Active CN109944922B (en) | 2019-05-06 | 2019-05-06 | Hot sleeve bolt fastening type crankshaft power output assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944922B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323400A (en) * | 2021-12-31 | 2022-04-12 | 四川飞亚动力科技股份有限公司 | Torsion detection device for crankshaft flange plate |
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| CN209781625U (en) * | 2019-05-06 | 2019-12-13 | 广西玉柴机器股份有限公司 | Hot jacket bolt fastening formula bent axle power take off subassembly |
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2019
- 2019-05-06 CN CN201910371955.0A patent/CN109944922B/en active Active
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323400A (en) * | 2021-12-31 | 2022-04-12 | 四川飞亚动力科技股份有限公司 | Torsion detection device for crankshaft flange plate |
| CN114323400B (en) * | 2021-12-31 | 2024-01-30 | 四川飞亚动力科技股份有限公司 | Torsion detection device of crankshaft flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109944922B (en) | 2024-03-26 |
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