CN206592488U - A kind of helical gear power takeoff assembly - Google Patents
A kind of helical gear power takeoff assembly Download PDFInfo
- Publication number
- CN206592488U CN206592488U CN201720277596.9U CN201720277596U CN206592488U CN 206592488 U CN206592488 U CN 206592488U CN 201720277596 U CN201720277596 U CN 201720277596U CN 206592488 U CN206592488 U CN 206592488U
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- power takeoff
- gear
- middle transition
- output shaft
- assembly
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Abstract
The utility model discloses a kind of helical gear power takeoff assembly, it belongs to technical field of mechanical transmission.It solves that power takeoff Spur Gear Driving noise in the prior art is larger, influences the defect of user job comfortableness.It mainly includes：Driving gear, middle transition gear, middle transition axle, power takeoff housing, power takeoff gear, end cap, power takeoff output shaft；The middle transition gear is rotatably arranged on middle transition axle by two cylinder roller bearings；The power takeoff output shaft is provided with spline, and the power takeoff gear is rigidly connected by spline with power takeoff output shaft, and the power takeoff output shaft is rotatably arranged in power takeoff housing by two angular contact ball bearings；The driving gear, middle transition gear and power takeoff gear use helical angle for 10 °~17 ° of helical gear.The utility model is mainly used in loading machine gearbox, can be used for other engineering machinery.
Description
Technical field：
The utility model belongs to technical field of mechanical transmission, specifically, more particularly to a kind of for loading machine gearbox
Helical gear power takeoff assembly.
Background technology：
Power takeoff refers to the secondary power output device on the outside of gearbox, and it can obtain power from gearbox,
It is the power resources that special purpose vehicle realizes its special function, the country is now used for sanitation cart, dumper, work high above the ground, crane
On automobile and oil truck.At present, Home-made Loaders gearbox power takeoff assembly, all using Spur Gear Driving, driving gear and hair
Motivation flywheel is rigidly connected, and power transmission to power takeoff gear, working barrel, steering pump are connected by spline with power takeoff gear,
Realize that moved arm lifting and complete machine are turned to.Because driving gear is directly connected with engine, rotating speed is higher, the spur gear used at present
Rotational noise is larger, influences the operation comfortableness of user, and foreign countries are distinctly claimed to noise figure.
The content of the invention：
For the defect that the noise for solving Spur Gear Driving presence in the prior art is larger, the utility model provides one kind
The helical gear power takeoff assembly of prior art is different from, using helical gear, noise during reduction gear drive improves user's work
Comfortableness during industry.
To achieve these goals, the utility model is realized using following technical scheme：
A kind of helical gear power takeoff assembly, including driving gear, middle transition gear assembly and power takeoff gear assembly；Institute
Stating middle transition gear assembly includes middle transition gear, middle transition axle, bolt, and the power takeoff gear assembly includes power taking
Device housing, power takeoff gear, end cap, power takeoff output shaft；The driving gear is engaged with middle transition gear, the middle mistake
Cross gear to engage with power takeoff gear, the power takeoff gear is rotatably arranged in power takeoff housing, the centre
Transition gear is rotatably arranged on middle transition axle by two cylinder roller bearings；On the power takeoff output shaft
Provided with spline, the power takeoff gear is rigidly connected by spline with power takeoff output shaft, and the power takeoff output shaft passes through two
Individual angular contact ball bearing is rotatably arranged in power takeoff housing；The driving gear, middle transition gear and power taking
Device gear uses helical angle for 10 °~17 ° of helical gear.
Further, spacer and circlip for hole are provided with the middle of the cylinder roller bearing.
Further, one end of the angular contact ball bearing is fixed by power takeoff housing, the angular contact ball bearing
The other end is fixed by end cap, and adjust pad is provided between end cap and angular contact ball bearing.
Further, the power takeoff gear assembly is additionally provided with grease fitting and screwed hole, and the screwed hole is opened in end
Cover.
Compared with prior art, the beneficial effects of the utility model are：
The utility model uses Helical gear Transmission, reduces complete machine noise, passes through test, complete machine noise reduction 6.3dB；Adopt
With two cylinder roller bearings and two angular contact ball bearings, improve the reliability of bearing and axial load can be born；Power taking
Device gear assembly uses external lubricant passage way, improves the life-span of bearing and gear.
Brief description of the drawings：
Fig. 1 is transmission principle figure of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structural representation of middle transition gear assembly；
Fig. 4 is the structural representation of power takeoff gear assembly.
In figure：1st, driving gear；2nd, middle transition gear；3rd, cylinder roller bearing；4th, middle transition axle；5th, hole elasticity
Back-up ring；6th, spacer；7th, angular contact ball bearing；8th, power takeoff output shaft；9th, power takeoff housing；10th, spline；11st, power takeoff gear；
12nd, adjust pad；13rd, end cap；14th, screwed hole；15th, grease fitting；16th, bolt；17th, cylindrical plate；18th, axle top bar；19th, send out
Motivation.
Embodiment：
Below by specific embodiment and the utility model is described in further detail with reference to accompanying drawing.
Embodiment：
A kind of helical gear power takeoff assembly that the present embodiment is related to, as depicted in figs. 1 and 2, it include driving gear 1, in
Between transition gear assembly and power takeoff gear assembly；Middle transition gear assembly include middle transition gear 2, middle transition axle 4,
Bolt 16, power takeoff gear assembly includes power takeoff housing 9, power takeoff gear 11, end cap 13, power takeoff output shaft 8；Driving tooth
Wheel 1 is rigidly connected with engine 19, and driving gear 1 is engaged with middle transition gear 2, middle transition gear 2 and power takeoff gear
11 engagements, power takeoff gear 11 is rotatably arranged in power takeoff housing 9, and middle transition gear 2 passes through two cylinders
Roller bearing 3 is rotatably arranged on middle transition axle 4；Power takeoff output shaft 8 is provided with spline 10, power takeoff gear
11 are rigidly connected by spline 10 with power takeoff output shaft 8, and power takeoff output shaft 8 can be relative by two angular contact ball bearings 7
It is rotatably mounted in power takeoff housing 9；Driving gear 1, middle transition gear 2 and power takeoff gear 11 use helical angle for
10 °~17 ° of helical gear.Using Helical gear Transmission, complete machine noise is reduced, table 1 is noise test experimental data table, by table 1
Learn that complete machine noise reduces 6.3dB.
Middle transition gear assembly is illustrated in figure 3, it uses two cylinder roller bearings 3 to support, two cylindrical rollers
One end of bearing 3 is fixed using axle top bar 18, and the other end passes through two bolts 16 and the rigidity of middle transition axle 4 with cylindrical plate 17
Connection；Spacer 6 and circlip for hole 5 are provided with the middle of two cylinder roller bearings 3.Such a construction increases the reliability of bearing
And axial load can be born.
Power takeoff gear assembly is illustrated in figure 4, it uses two angular contact ball bearings 7 to support, angular contact ball bearing 7
One end is fixed by power takeoff housing 9, and the other end is fixed by end cap 13, provided with tune between end cap 13 and angular contact ball bearing 7
Whole pad 12, bearing clearance is adjusted by adjust pad 12.Such a construction increases the reliability of bearing and axial load can be born
Lotus.
Power takeoff gear assembly is additionally provided with grease fitting 15 and screwed hole 14, and screwed hole 14 is opened on end cap 13.Power taking
Device gear assembly uses external lubricant passage way, passes through that screwed hole 14 and lubricating oil pipe are from outside to be connected, it is ensured that gear and bearing
Lubrication, improves the life-span of gear and bearing.
The noise test experimental data table of table 1.
Claims (4)
1. a kind of helical gear power takeoff assembly, including driving gear (1), middle transition gear assembly and power takeoff gear assembly；
The middle transition gear assembly includes middle transition gear (2), middle transition axle (4), bolt (16)；The power takeoff gear
Assembly includes power takeoff housing (9), power takeoff gear (11), end cap (13), power takeoff output shaft (8)；The driving gear (1)
Engaged with middle transition gear (2), the middle transition gear (2) is engaged with power takeoff gear (11), the power takeoff gear
(11) rotatably it is arranged in power takeoff housing (9), it is characterised in that：The middle transition gear (2) passes through two
Cylinder roller bearing (3) is rotatably arranged on middle transition axle (4)；The power takeoff output shaft (8) is provided with flower
Key (10), the power takeoff gear (11) is rigidly connected by spline (10) with power takeoff output shaft (8), the power takeoff output
Axle (8) is rotatably arranged in power takeoff housing (9) by two angular contact ball bearings (7)；The driving gear
(1), middle transition gear (2) and power takeoff gear (11) use helical angle for 10 °~17 ° of helical gear.
2. helical gear power takeoff assembly according to claim 1, it is characterised in that：In the middle of the cylinder roller bearing (3)
Provided with spacer (6) and circlip for hole (5).
3. helical gear power takeoff assembly according to claim 2, it is characterised in that：The one of the angular contact ball bearing (7)
End is fixed by power takeoff housing (9), and the other end of the angular contact ball bearing (7) is fixed by end cap (13), end cap (13)
Adjust pad (12) is provided between angular contact ball bearing (7).
4. helical gear power takeoff assembly according to claim 3, it is characterised in that：The power takeoff gear assembly is additionally provided with
Grease fitting (15) and screwed hole (14), the screwed hole (14) are opened on end cap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277596.9U CN206592488U (en) | 2017-03-21 | 2017-03-21 | A kind of helical gear power takeoff assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277596.9U CN206592488U (en) | 2017-03-21 | 2017-03-21 | A kind of helical gear power takeoff assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592488U true CN206592488U (en) | 2017-10-27 |
Family
ID=60125203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277596.9U Active CN206592488U (en) | 2017-03-21 | 2017-03-21 | A kind of helical gear power takeoff assembly |
Country Status (1)
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| CN (1) | CN206592488U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842594A (en) * | 2017-12-08 | 2018-03-27 | 广西玉柴机器股份有限公司 | A kind of helical teeth wheel construction of engine liquid pressure power transmission |
| CN109296736A (en) * | 2018-11-29 | 2019-02-01 | 汽解放汽车有限公司 | Engine PTO output interface structure |
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
| CN112728011A (en) * | 2020-12-25 | 2021-04-30 | 中国船舶重工集团公司第七0三研究所 | Gear transmission structure for testing transmission performance of alignment bevel gear |
-
2017
- 2017-03-21 CN CN201720277596.9U patent/CN206592488U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842594A (en) * | 2017-12-08 | 2018-03-27 | 广西玉柴机器股份有限公司 | A kind of helical teeth wheel construction of engine liquid pressure power transmission |
| CN109296736A (en) * | 2018-11-29 | 2019-02-01 | 汽解放汽车有限公司 | Engine PTO output interface structure |
| CN111288139A (en) * | 2020-02-24 | 2020-06-16 | 山东临工工程机械有限公司 | Planetary gearbox assembly |
| CN112728011A (en) * | 2020-12-25 | 2021-04-30 | 中国船舶重工集团公司第七0三研究所 | Gear transmission structure for testing transmission performance of alignment bevel gear |
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