CN109538737A - Energy-efficient transmission case - Google Patents
Energy-efficient transmission case Download PDFInfo
- Publication number
- CN109538737A CN109538737A CN201811632378.8A CN201811632378A CN109538737A CN 109538737 A CN109538737 A CN 109538737A CN 201811632378 A CN201811632378 A CN 201811632378A CN 109538737 A CN109538737 A CN 109538737A
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- China
- Prior art keywords
- wheel
- transition wheel
- transmission case
- shaft
- energy
- 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.)
- Pending
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 230000007704 transition Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
A kind of energy-efficient transmission case, including shell and transmission mechanism, transmission mechanism, which has, successively to be engaged and is helical gear driving wheel, transition wheel, driven wheel；Driving wheel has the driving shaft connecting with engine, and driven wheel has the driven shaft connecting with hydraulic pump, and transition wheel has transition wheel shaft and two symmetrically arranged tapered roller bearings；Tapered roller bearing has a scroll space of conial ring shape, the big circular cone stub end of the small head end of circular cone and radius that scroll space has radius small, the small head end of two circular cones of two tapered roller bearings be disposed adjacent inwardly and two circular cone stub ends outwardly；Driving shaft, transition wheel shaft and driven shaft three are arranged in parallel and the vertex setting triangular in shape of the axle center of three；Three gears of transmission case of the present invention cooperate speed-ratio regulation, and hydraulic pump fully absorbs engine torque, energy-efficient；The service life of transition wheel can be improved in tapered roller bearing bearing capacity height；Relative to now there are three the volumes that the mounting structure that gear engages side by side can reduce transmission case.
Description
Technical field
The present invention relates to a kind of energy-efficient transmission cases.
Background technique
It is higher and higher to non-rice habitats movable type mechanical performance requirement with the fast development of Chinese national economy, non-rice habitats
Mechanically moving mainly includes engineering machinery, agricultural machinery, forestry machinery etc.；Existing non-rice habitats mechanically moving mostly uses gear to pass
Dynamic system, but often damage in use, the bearing capacity and service life of gear are poor, are driven unstable and turn round
Square transmission efficiency is low；And existing gear be mostly it is multiple side by side engaged transmission, installation space is big, transmission case it is sufficiently bulky.
In view of this, the present inventor for said gear drive mechanism design on do not attain improve caused by many missings and
Inconvenience, and deeply conceive, and actively research improvement has a fling at and develops and design this case.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-efficient transmission case, three gears cooperate adjustable speed-ratio regulation, mention
High hydraulic pump fully absorbs engine torque, realizes energy-efficient；And transition wheel can be improved in tapered roller bearing bearing capacity height
Service life；Relative to now there are three the volumes that the mounting structure that gear engages side by side can reduce transmission case.
In order to achieve the above objectives, solution of the invention is:
A kind of energy-efficient transmission case, it is characterised in that: include shell and to be set to the intracorporal transmission mechanism of shell, institute
Stating transmission mechanism has successively engagement and is helical gear driving wheel, transition wheel, driven wheel；The driving wheel has and engine
The driving shaft of connection, the driven wheel have the driven shaft connecting with hydraulic pump, and the transition wheel has transition wheel shaft and two pairs
Claim the tapered roller bearing being arranged on transition wheel shaft；The tapered roller bearing has the scroll space of conial ring shape, described
The big circular cone stub end of the small head end of circular cone and radius that scroll space has radius small, wherein two circular cones of two tapered roller bearings
Small head end inwardly and is disposed adjacent, and two circular cone stub ends are outwardly；And the driving shaft, transition wheel shaft are parallel with driven shaft three
It is arranged and the axle center of three vertex triangular in shape is arranged.
The driving wheel is located at lower end, and transition wheel is located at centre, and driven wheel is located at upper end, and the driving wheel, transition wheel
With the stepped successively engagement connection of driven wheel.
Triangular apex is arranged in obtuse angle in the axle center of the driving shaft, transition wheel shaft and driven shaft three.
The tapered roller bearing has bearing outer ring, taper roller, bearing inner race；The bearing outer ring has in circular cone
Ring, the bearing inner race have cylinder outer ring, and the circular cone inner ring and cylinder outer ring surround the rolling rolled for taper roller
Dynamic space；And the baffle ring for stopping taper roller abjection scroll space is being provided with by circular cone stub end side in bearing inner race.
The transition wheel has the inner ring gear being nested with outside two tapered roller bearings, engages with driving wheel, driven wheel
The necking part at the intermediate position of gear outer ring and connection gear inner ring and gear outer ring.
Washer is provided between two tapered roller bearings, the washer is located at the center of transition wheel.
The inner ring gear of the transition wheel is provided with the snap ring for the holding of washer one end.
Adjusting pad is provided between the bearing inner race and shell connection.
Transition wheel shaft one end and shell are locked by bolt, and are arranged on the shell and bolt locking side
There is lock washer.
After adopting the above structure, at work, the rotation of engine driving driving wheel drives transition rotation to transmission case of the present invention
Dynamic and then drive driven wheel rotation, finally drives hydraulic pump rotation to provide power for hydraulic system；Wherein driving wheel, transition wheel and
Driven wheel is helical gear, and engagement area is bigger in intermeshing rotation process, and engagement rotation transmission is more stable, improves gear
Bearing capacity and service life；And three helical gear engaged transmissions realize speed-ratio regulation, torque is big, and hydraulic pump can fully absorb
Engine torque, it is energy-efficient；No matter and the two tapered roller bearing gears can all carry axial force and diameter forward or reverse
Xiang Li, bearing capacity and power density are high, and the service life of transition wheel can be improved；Wherein the driving shaft, transition wheel shaft and from
Moving axis three is arranged in parallel and the vertex setting triangular in shape of the axle center of three, and intermeshing does not pass three gears on the same line
It is dynamic, relative to now there are three the volumes that the mounting structure that gear engages side by side can reduce transmission case.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of transmission case of the present invention；
Fig. 2 is the schematic cross-sectional view in the direction A-A in Fig. 1；
Fig. 3 is the enlarged diagram in Fig. 2 at B；
Fig. 4 is the schematic cross-sectional view in the direction C-C in Fig. 1.
Symbol description
10 driving wheel 1 of shell
2 driven wheel 3 of transition wheel
11 driven shaft 31 of driving shaft
21 tapered roller bearing 4 of transition wheel shaft
40 bearing outer ring 41 of scroll space
42 bearing inner race 43 of taper roller
44 cylinder outer ring 45 of circular cone inner ring
46 inner ring gear 22 of baffle ring
23 necking part 24 of gear outer ring
5 snap ring 221 of washer
6 bolt 7 of adjusting pad
Lock washer 8.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
Present invention discloses a kind of energy-efficient transmission cases referring to FIG. 1 to FIG. 4, it is characterised in that: includes shell
10 and the transmission mechanism that is set in shell 10, the transmission mechanism, which has, successively to be engaged and is helical gear driving wheel 1, transition
Take turns 2, driven wheel 3；The driving wheel 1 has the driving shaft 11 connecting with engine, and the driven wheel 3 has to be connect with hydraulic pump
Driven shaft 31, the transition wheel 2 has transition wheel shaft 21 and two are symmetricly set on tapered roller bearing on transition wheel shaft 21
4；The tapered roller bearing 4 has the scroll space 40 of conial ring shape, and the circular cone that the scroll space 40 has radius small is small
Head end and the big circular cone stub end of radius, wherein the small head end of two circular cones of two tapered roller bearings 4 inwardly and is disposed adjacent, and two
Circular cone stub end is outwardly；And the driving shaft 11, transition wheel shaft 21 and 31 three of driven shaft are arranged in parallel and the axle center of three is in
Triangular apex setting.
At work, the rotation of engine driving driving wheel 1 drives transition wheel 2 to rotate and then drives driven transmission case of the present invention
3 rotation of wheel, finally drives hydraulic pump rotation to provide power for hydraulic system；Wherein driving wheel 1, transition wheel 2 and driven wheel 3 are oblique
Gear, engagement area is bigger in intermeshing rotation process, and engagement rotation transmission is more stable, improves the bearing capacity of gear
And service life；And three helical gear engaged transmissions realize speed-ratio regulation, torque is big, and hydraulic pump can fully absorb engine torsion
Square, it is energy-efficient；No matter and two 4 gears of tapered roller bearing can all carry axial force and radial force forward or reverse, hold
Loading capability and power density are high, and the service life of transition wheel can be improved；The wherein driving shaft 11, transition wheel shaft 21 and driven shaft
31 threes are arranged in parallel and the vertex setting triangular in shape of the axle center of three, and intermeshing does not pass three gears on the same line
It is dynamic, relative to now there are three the volumes that the mounting structure that gear engages side by side can reduce transmission case.
The driving wheel 1 of the invention is located at lower end, and transition wheel 2 is located at centre, and driven wheel 3 is located at upper end, and the master
Driving wheel 1, transition wheel 2 and the stepped successively engagement connection of driven wheel 3；It is empty that the positional relationship of three gears can reduce gear installation
Between, and then reduce the volume of transmission case.
Triangular apex is set in obtuse angle in the axle center of 31 three of the driving shaft 11, transition wheel shaft 21 and driven shaft of the invention
It sets.
The tapered roller bearing 4 of the invention has bearing outer ring 41, taper roller 42, bearing inner race 43；The axis
Bearing outer-ring 41 has circular cone inner ring 44, and the bearing inner race 43 has cylinder outer ring 45, the circular cone inner ring 44 and cylinder outer ring
45 surround the scroll space 40 rolled for taper roller 42；And it is provided in bearing inner race 43 by circular cone stub end side
Taper roller 42 is stopped to deviate from the baffle ring 46 of scroll space 40；The structure of the tapered roller bearing 4 is stronger, improves holding for its
Loading capability and power density, and then improve the service life of transition wheel 2.
The ring portion being partially submerged into for taper roller 42, and taper roller 42 and circle are provided on cylinder outer ring 45 of the invention
It is inclined surface that cone outer ring, which is in rolling contact one side, and ring portion corresponding tilt face is set as inclined ring, and the ring portion can make circular cone
Roller 42 is securely set in scroll space 220.
The transition wheel 2 of the invention have be nested with inner ring gear 22 outside two tapered roller bearings 4, with driving wheel 1,
The necking part 24 at the intermediate position of 3 meshed gears outer ring 23 of driven wheel and connection gear inner ring 22 and gear outer ring 23；Position
Necking part 24 in intermediate position can realize the balanced transmitting between power, and 2 structural strength of transition wheel is high, and service life is high.
The gear outer ring 23 of transition wheel 2 of the invention has multiple helical teeth, and the helical teeth has for driving wheel, driven wheel
The tooth socket of teeth portion engagement, engaging structure are more stable.
Washer 5 is provided between the tapered roller bearing 4 of of the invention two, the washer 5 is located at the center of transition wheel 2
Position；The washer 5 is used to adjust the clearance between two tapered roller bearings 4, is easily installed and adjusts.
The inner ring gear 22 of the transition wheel 2 of the invention is provided with the snap ring 221 for 5 one end holding of washer；Snap ring 221
The position of limitation washer 5 can be fixed, two tapered roller bearings 4 are resisted against 5 two sides of washer and fix；The transition wheel 2 and circular cone rolling
More compact structure is stablized between sub- bearing 4, improves bearing capacity, power density and the use of transition wheel 2 and tapered roller bearing 4
Service life.
Adjusting pad 6 is provided between the bearing inner race 43 of the invention and the connection of shell 10.
Described 21 one end of transition wheel shaft of the invention is locked with shell 10 by bolt 7, and the shell 10 and spiral shell
Bolt 7 locks and is provided with lock washer 8 on side；Locking mechanism is stronger.
Above-described embodiment and attached drawing and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (9)
1. a kind of energy-efficient transmission case, it is characterised in that: include shell and is set to the intracorporal transmission mechanism of shell, it is described
Transmission mechanism, which has, successively to be engaged and is helical gear driving wheel, transition wheel, driven wheel；The driving wheel has to be connected with engine
The driving shaft connect, the driven wheel have the driven shaft connecting with hydraulic pump, and the transition wheel has transition wheel shaft and two symmetrically
Tapered roller bearing on transition wheel shaft is set；The tapered roller bearing has the scroll space of conial ring shape, the rolling
The big circular cone stub end of the small head end of circular cone and radius that dynamic space has radius small, wherein two circular cones of two tapered roller bearings are small
Head end inwardly and is disposed adjacent, and two circular cone stub ends are outwardly；And the driving shaft, transition wheel shaft are parallel with driven shaft three sets
It sets and the axle center of three vertex triangular in shape is arranged.
2. energy-efficient transmission case as described in claim 1, it is characterised in that: the driving wheel is located at lower end, transition wheel position
In centre, driven wheel is located at upper end, and the driving wheel, transition wheel and the stepped successively engagement connection of driven wheel.
3. energy-efficient transmission case as described in claim 1, it is characterised in that: the driving shaft, transition wheel shaft and driven shaft
Triangular apex is arranged in obtuse angle in the axle center of three.
4. energy-efficient transmission case as described in claim 1, it is characterised in that: the tapered roller bearing has outside bearing
Circle, taper roller, bearing inner race；The bearing outer ring has circular cone inner ring, and the bearing inner race has cylinder outer ring, the circle
Cone inner ring and cylinder outer ring surround the scroll space rolled for taper roller；And circular cone stub end one is being leaned in bearing inner race
Side is provided with the baffle ring for stopping taper roller abjection scroll space.
5. energy-efficient transmission case as claimed in claim 4, it is characterised in that: the transition wheel has to be nested with to be rolled in two circular cones
Inner ring gear outside sub- bearing, with driving wheel, driven wheel meshed gears outer ring and connection gear inner ring and gear outer ring
The necking part at intermediate position.
6. energy-efficient transmission case as claimed in claim 5, it is characterised in that: be provided between two tapered roller bearings
Washer, the washer are located at the center of transition wheel.
7. energy-efficient transmission case as claimed in claim 6, it is characterised in that: the inner ring gear of the transition wheel is provided with confession
The snap ring of washer one end holding.
8. energy-efficient transmission case as described in claim 1, it is characterised in that: set between the bearing inner race and shell connection
It is equipped with adjusting pad.
9. energy-efficient transmission case as described in claim 1, it is characterised in that: transition wheel shaft one end and shell pass through spiral shell
Bolt-lock fastens, and is provided with lock washer on the shell and bolt locking side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632378.8A CN109538737A (en) | 2018-12-29 | 2018-12-29 | Energy-efficient transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632378.8A CN109538737A (en) | 2018-12-29 | 2018-12-29 | Energy-efficient transmission case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538737A true CN109538737A (en) | 2019-03-29 |
Family
ID=65830986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632378.8A Pending CN109538737A (en) | 2018-12-29 | 2018-12-29 | Energy-efficient transmission case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374854A (en) * | 2021-06-09 | 2021-09-10 | 福建群峰机械有限公司 | Rotating shaft mounting structure of vibration box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339682Y (en) * | 2008-12-27 | 2009-11-04 | 盐城华旺机械制造有限公司 | All gear driving gearbox of walking tractor |
| CN201884612U (en) * | 2009-01-16 | 2011-06-29 | 索尤若驱动有限及两合公司 | Cylindrical gear driving device |
| CN102312994A (en) * | 2011-09-27 | 2012-01-11 | 常州市润源经编运用工程技术研究中心有限公司 | Transition gear mounting structure |
| CN207648099U (en) * | 2017-10-27 | 2018-07-24 | 宁波上中下自动变速器有限公司 | A kind of transmission mechanism of hybrid gearbox |
| CN108591251A (en) * | 2018-07-12 | 2018-09-28 | 如皋市福锴金属制品有限公司 | Bearing unit of drive gear wheel |
| CN209800693U (en) * | 2018-12-29 | 2019-12-17 | 泉州鑫豪工程机械科技有限公司 | High-efficiency energy-saving transmission case |
-
2018
- 2018-12-29 CN CN201811632378.8A patent/CN109538737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339682Y (en) * | 2008-12-27 | 2009-11-04 | 盐城华旺机械制造有限公司 | All gear driving gearbox of walking tractor |
| CN201884612U (en) * | 2009-01-16 | 2011-06-29 | 索尤若驱动有限及两合公司 | Cylindrical gear driving device |
| CN102312994A (en) * | 2011-09-27 | 2012-01-11 | 常州市润源经编运用工程技术研究中心有限公司 | Transition gear mounting structure |
| CN207648099U (en) * | 2017-10-27 | 2018-07-24 | 宁波上中下自动变速器有限公司 | A kind of transmission mechanism of hybrid gearbox |
| CN108591251A (en) * | 2018-07-12 | 2018-09-28 | 如皋市福锴金属制品有限公司 | Bearing unit of drive gear wheel |
| CN209800693U (en) * | 2018-12-29 | 2019-12-17 | 泉州鑫豪工程机械科技有限公司 | High-efficiency energy-saving transmission case |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374854A (en) * | 2021-06-09 | 2021-09-10 | 福建群峰机械有限公司 | Rotating shaft mounting structure of vibration box |
| CN113374854B (en) * | 2021-06-09 | 2022-09-13 | 福建群峰机械有限公司 | Rotating shaft mounting structure of vibrating box |
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