CN103016658B - A kind of Diesel engine - Google Patents
A kind of Diesel engine Download PDFInfo
- Publication number
- CN103016658B CN103016658B CN201210554962.2A CN201210554962A CN103016658B CN 103016658 B CN103016658 B CN 103016658B CN 201210554962 A CN201210554962 A CN 201210554962A CN 103016658 B CN103016658 B CN 103016658B
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- belt
- blanking cover
- support plate
- diesel engine
- axle sleeve
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Abstract
The invention discloses a kind of Diesel engine, including belt with for straining the tension pulley of described belt, it is characterized in that, described tension pulley, including support plate and the belt pulley being arranged on support plate left end, the right-hand member of described support plate is provided with support body, described belt pulley and described support plate are positioned at the same side of described support body, and the direction being all directed away from the body of described Diesel engine installs, namely this tension pulley be regulating wheel in the same direction, and body installation dorsad；The outside of the antifriction plate of described tension pulley is provided with blanking cover, the body of the most described Diesel engine of described blanking cover.So, regulating wheel will not rub with belt during installing, thus improves the service life of belt；Further, towards the installation dorsad of body, will not interfere with body in installation process, so that belt disassembling process is more convenient.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly to a kind of Diesel engine.
Background technology
V belt translation be dependent on tensioner and friction come transmitting movement and power, it have simple in construction,
Stable drive, easy to maintenance, with low cost, have overload protection and drive centre distancc bigger etc. excellent
Put and be used widely in machinery.Have within the longer working time to meet V belt translation
There is stable transmission torque functions, in addition to applying certain initial pretightning force to V belt translation,
Swelling device must also be increased.The tensioner method generally used has regular tensioner and automatic tension.
In automatic tension, conventional method has: gravity type, elastic force type, fluid pressure type and intellectual etc.
Multiple method, the occasion that various methods are used also differs.In view of on Diesel engine
Installing spaces etc. limit, and the most commonly used tensioner method is elastic force type tensioning.
Traditional regulating wheel includes incorgruous regulating wheel and regulating wheel in the same direction, both installation forms
All there is respective defect in regulating wheel.
Although incorgruous regulating wheel can facilitate engine assembly belt, but being subject to of this kind of regulating wheel
Force arm is long, and the load acting on central shaft is excessive, and central axle sleeve and axle sleeve are susceptible to partially
Mill, causes regulating wheel initial failure, and therefore, the use of regulating wheel is more the most in the same direction.
But, although the regulating wheel stress arm of force is shorter in the same direction, but the installed surface of regulating wheel in the same direction
Towards mounted body, when belt contact excessive (>=130 degree) or belt need to walk around in arm
During the heart, owing to needs put Wrench, the installation of dynamo belt is the most laborious；Meanwhile, should
The pin root evagination of regulating wheel, it is easy to interfere with body, poor with the coplanarity of train,
Further increase installation difficulty；Optical axis is passed through between blanking cover and the connector of traditional regulating wheel
Connecting, damping between the two is too small, causes tensioner arm swinging excessive；It addition,
The blanking cover of tradition regulating wheel is connected with central axle sleeve by endoporus, entirely connects by rotation riveting, nothing
Method regulation automatic tensioner damping size, overall discontinuity equalization, the fatigue easily causing local is broken
Bad, affect the service life of regulating wheel.
Therefore, how to avoid the installation pin of regulating wheel to interfere with body, improve itself and wheel
The coplanarity of system, simplifies the installation process of regulating wheel and body, just becomes those skilled in the art
The problem needing solution badly.
Summary of the invention
It is an object of the invention to provide a kind of for Diesel engine, including belt with for straining
The tension pulley of belt, this V belt translation regulating wheel tensioning in the same direction, and install back to body, from
And avoid and installation process rubs in belt, improve the service life of belt, and expand
The big installing space of belt so that belt disassembling process is more convenient.
For solving above-mentioned technical problem, the present invention provides a kind of Diesel engine, including belt and
For straining the tension pulley of described belt, described tension pulley, including support plate and installation
At the belt pulley of support plate one end, the other end of described support plate is provided with support body, described belt pulley with
Described support plate is positioned at the same side of described support body, and is all directed away from the machine of described Diesel engine
The direction of body is installed；The outside of the antifriction plate of described tension pulley is provided with blanking cover, described stifled
Cover the body of the most described Diesel engine.
Preferably, described the internal central axle sleeve that is provided with, described central axle sleeve is away from described machine
One end of body is provided with panel, and described support plate is installed on described body by pin.
Preferably, described central axle sleeve offers external screw thread, and described blanking cover offers with described
The female thread of external thread spiro fastening.
Preferably, the end face of described blanking cover is provided with inclined plane.
Preferably, described inclined plane was along circumferentially disposed one week of described blanking cover end face.
Diesel engine provided by the present invention, its tension pulley includes support plate and is arranged on support plate
The belt pulley of one end, the other end of this support plate is provided with support body, and belt pulley and support body are positioned at support plate
The same side, and the direction being all directed away from the body of Diesel engine installs, namely this belt
Regulating wheel is regulating wheel in the same direction, and body is installed dorsad；So, regulating wheel is in the process installed
In will not rub with belt, thus improve the service life of belt；Further, towards body
Installation dorsad, will not interfere with body in installation process, so that belt disassembling
Process is more convenient.
In a kind of detailed description of the invention, Diesel engine provided by the present invention, its belt is opened
Bearing up pulley central axle sleeve offers external screw thread, and blanking cover offers the female thread with external thread spiro fastening,
The mode that central axle sleeve is threaded connection with blanking cover is fixing to be connected；So, central axle sleeve is with stifled
The distance of lid end face can be regulated by the length of action of screw thread, it is possible to regulates according to service condition
The size of regulating wheel damping torque, thus be conducive to adjusting automatic tensioner damping torque size,
Meet design damping ratio requirement, reduce because damping is little, big unfavorable of auto-tensioning wheel arm swinging
Impact；Can also avoid because damping is too big, the risk of aggravation belt abrasion simultaneously.
In another kind of detailed description of the invention, Diesel engine provided by the present invention, its belt
The end face of regulating wheel blanking cover is provided with inclined plane, in order to the power that blanking cover acts on antifriction plate is uniform
It is distributed in disc spring.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of detailed description of the invention of tension pulley provided by the present invention
Figure；
Fig. 2 is the structural representation of a kind of detailed description of the invention of central axle sleeve provided by the present invention
Figure；
Fig. 3 is the structural representation of a kind of detailed description of the invention of blanking cover provided by the present invention.
Detailed description of the invention
The core of the present invention is to provide a kind of Diesel engine, including belt with for tightening belt
Tension pulley, this V belt translation regulating wheel tensioning in the same direction, and installing back to body, thus keep away
Exempt from installation process rubs in belt, improve the service life of belt, and expand
The installing space of belt so that belt disassembling process is more convenient.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings
The present invention is described in further detail with detailed description of the invention.
Refer to Fig. 1, Fig. 1 is tension pulley one specific embodiment party provided by the present invention
The structural representation of formula.
This tension pulley includes support plate and be arranged on the belt pulley of support plate one end, support plate 2 another
One end is provided with central axle sleeve 5, is provided with in central axle sleeve 5 periphery and covers propping up of this central axle sleeve 5
Body 1, central axle sleeve 5 is fixed in support body 1, and described belt pulley and described support body are positioned at described
The same side of support plate, and all it is directed away from the direction installation of the body of described Diesel engine, also
This tension pulley i.e. is regulating wheel in the same direction, and body is installed dorsad；So, regulating wheel is in peace
Will not rub with belt during dress, thus improve the service life of belt；Further,
Towards the installation dorsad of body, will not interfere with body in installation process, so that
Belt disassembling process is more convenient.
Lasso 8 can be set with on above-mentioned support body 1, to prevent support body 1 to be worn, extend support body
The service life of 1；Connection that can be detachable between support body 1 and lasso 8, so when lasso 8
After abrasion, can only change lasso 8, thus simplify the process of maintenance of equipment, save and set
Standby maintenance cost.
The material of above-mentioned lasso 8 can be various high-abrasive material, such as rubber etc., the most also may be used
Think various metal material, as long as the effect of protection support body 1 can be played.
Being provided with spring 3 in above-mentioned support body 1, this spring 3 one end leans against on support plate 2, another
End withstands on lasso 8, and spring 3 is externally provided with spring backing plate 4, in order to increase stress surface, it is achieved
The transmission of larger torque, and improve uniform force, increase reliability.
It is fixed with disc spring 7 between antifriction plate 9 and support plate 2, in order to increase damping, increases antifriction
Frictional force between plate 9 and blanking cover 10；Antifriction plate 9 is embedded in the groove of support plate 2, left side
Fix with blanking cover 10 and bolt.
Deep groove ball bearing 16 is installed, the two ends in hole circlip 15 in the hole of belt pulley 12
Fixing, belt pulley 12 is provided with on dust cap 13, support plate 2 and dust-proof sprue is installed, with
Prevent dust from entering deep groove ball bearing 16, prevent from causing the abrasion of deep groove ball bearing 16.
Left end (left side as shown in the drawings) at central axle sleeve 5 is cased with axle sleeve 6, support plate
2 to be set in axle sleeve 6 outer and can swing relative to axle sleeve 6, after abrasion can a replacing axle sleeve 6, and
It is not required to change central axle sleeve 5.
The outside of antifriction plate 9 is provided with blanking cover 10, and the form of blanking cover 10 can have multiple, example
As being plane form, it is also possible to be arranged to the form of center protrusion.It addition, blanking cover 10
Shape of cross section can also be such as circular or square etc. by multiple.
Central axle sleeve 5 is provided with blanking cover 10 away from one end of body, and support plate is installed on by pin
Body, the root of pin has the depressed part away from body；So, it is to avoid during assembling and pin
The interference in hole, decreases because Assembly Interference, and the automatic tensioner caused installs base with electromotor
The parallelism error in face, improves the coplanarity of regulating wheel and train, thus simplify regulating wheel with
The installation process of body.
The cup depth of above-mentioned depressed part can be 1 millimeter, in order to i.e. ensure that use requirement,
Can preferably realize again coplanarity requirement.
Refer to Fig. 2 and Fig. 3, Fig. 2 is that central axle sleeve provided by the present invention is a kind of concrete real
Execute the structural representation of mode；Fig. 3 is blanking cover one detailed description of the invention provided by the present invention
Structural representation.
Central axle sleeve 5 provided by the present invention offers external screw thread 51, and blanking cover 10 offers
The female thread 101 screwed togather with external screw thread 51, the side that central axle sleeve 5 and blanking cover are threaded connection
Formula is fixing to be connected；So, central axle sleeve 5 can nibbling by screw thread with the distance of blanking cover end face
Close length adjustment, it is possible to according to the size of service condition regulation regulating wheel damping torque, thus have
It is beneficial to adjust automatic tensioner damping torque size, meets design damping ratio requirement, reduce because of resistance
Buddhist nun is little, the adverse effect that auto-tensioning wheel arm swinging is big；Can also avoid because of damping too simultaneously
Greatly, the risk of aggravation belt abrasion.
On central axle sleeve 5, the externally threaded length that arranges should be according to actually used situation, when needs are adjusted
When the damping torque scope of joint is bigger, the externally threaded length that arranges can suitably increase, to increase
Central axle sleeve 5 and the length of action of blanking cover.
Above-mentioned central axle sleeve 5 is also not limited to as arranging threaded form, and it can also be light
Axle, accordingly, blanking cover also can be not provided with screw thread accordingly, and central axle sleeve 5 and blanking cover are permissible
Connected by mounting means conventional in the art, such as bearing pin connection etc..
Tension pulley provided by the present invention, the end face of its blanking cover 10 is provided with inclined plane 102,
So that the power that blanking cover 10 acts on antifriction plate is evenly distributed in disc spring.
Inclined plane 102 can be along circumferentially disposed one week of blanking cover 10 end face, it is also possible to piecemeal is equal
The even circumference being arranged in blanking cover 10.
The inclined degree of above-mentioned inclined plane 102 should determine according to actually used situation, the most permissible
It it is 15 ° or 10 ° etc..Except above-mentioned tension pulley, the present invention also provides for one and includes
State the Diesel engine of tension pulley, wherein, the blanking cover of tension pulley diesel engine dorsad
The body of machine, to facilitate the dismounting of tension pulley.Other each several parts knot of this Diesel engine
Structure refer to prior art, does not repeats them here.
Above a kind of Diesel engine provided by the present invention is described in detail.Herein
Apply specific case principle and the embodiment of the present invention are set forth, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention.It is right to it should be pointed out that,
For those skilled in the art, under the premise without departing from the principles of the invention,
The present invention can also be carried out some improvement and modification, these improve and modification also falls into the present invention
In scope of the claims.
Claims (1)
1. a Diesel engine, including belt with for straining the belt tension of described belt
Wheel, it is characterised in that described tension pulley, including support plate and the skin being arranged on support plate left end
Belt wheel, the right-hand member of described support plate is provided with support body, and described belt pulley and described support plate are positioned at described
The same side of support body, and all it is directed away from the direction installation of the body of described Diesel engine；Institute
The outside of the antifriction plate stating tension pulley is provided with blanking cover, and the most described diesel oil of described blanking cover is sent out
The body of motivation；
Described the internal central axle sleeve that is provided with, described central axle sleeve is away from one end of described body
Being provided with panel, described support body is installed on described body by pin；
Described central axle sleeve offers external screw thread, described blanking cover offers and described external screw thread spiral shell
The female thread closed；
The end face of described blanking cover is provided with inclined plane；
Described inclined plane was along circumferentially disposed one week of described blanking cover end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554962.2A CN103016658B (en) | 2012-12-18 | 2012-12-18 | A kind of Diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210554962.2A CN103016658B (en) | 2012-12-18 | 2012-12-18 | A kind of Diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016658A CN103016658A (en) | 2013-04-03 |
| CN103016658B true CN103016658B (en) | 2016-08-10 |
Family
ID=47965601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210554962.2A Active CN103016658B (en) | 2012-12-18 | 2012-12-18 | A kind of Diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016658B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090157A (en) * | 2016-08-31 | 2016-11-09 | 安徽全柴动力股份有限公司 | A kind of transition wheel mechanism for diesel engine tightening belt |
| CN109723774A (en) * | 2017-10-30 | 2019-05-07 | 北京精密机电控制设备研究所 | A kind of V belt translation regulating device of compact |
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| CN2903419Y (en) * | 2006-03-07 | 2007-05-23 | 潍柴动力股份有限公司 | Diesel engine front belt driving apparatus |
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| CN202883907U (en) * | 2012-08-31 | 2013-04-17 | 浙江瑞德利汽车部件有限公司 | Automatic tensioning wheel and engine with the same |
| CN202883906U (en) * | 2012-08-31 | 2013-04-17 | 浙江瑞德利汽车部件有限公司 | Tension wheel, engine with tension wheel and vehicle with engine |
| CN202971780U (en) * | 2012-12-18 | 2013-06-05 | 潍柴动力股份有限公司 | Diesel engine and belt tension pulley thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005029753A1 (en) * | 2005-06-24 | 2006-12-28 | Muhr Und Bender Kg | Belt tensioning device for attachment to an aggregate |
| CN201461880U (en) * | 2009-07-14 | 2010-05-12 | 东风汽车公司 | Tensioning wheel device for automatically adjusting tensioning force of belt |
| CN201795008U (en) * | 2010-09-11 | 2011-04-13 | 成都嘉陵华西光学精密机械有限公司 | Comprehensive belt tightener assembly |
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2012
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903419Y (en) * | 2006-03-07 | 2007-05-23 | 潍柴动力股份有限公司 | Diesel engine front belt driving apparatus |
| CN201246450Y (en) * | 2008-08-29 | 2009-05-27 | 杨玉荣 | Leather belt stretcher |
| CN201763444U (en) * | 2010-09-11 | 2011-03-16 | 成都嘉陵华西光学精密机械有限公司 | Automatic tension pulley of front gear planetary of engine |
| CN201795006U (en) * | 2010-09-11 | 2011-04-13 | 成都嘉陵华西光学精密机械有限公司 | Tension pulley for fan belt |
| CN102691763A (en) * | 2012-06-15 | 2012-09-26 | 广州汽车集团乘用车有限公司 | Belt tensioner |
| CN202883907U (en) * | 2012-08-31 | 2013-04-17 | 浙江瑞德利汽车部件有限公司 | Automatic tensioning wheel and engine with the same |
| CN202883906U (en) * | 2012-08-31 | 2013-04-17 | 浙江瑞德利汽车部件有限公司 | Tension wheel, engine with tension wheel and vehicle with engine |
| CN202883908U (en) * | 2012-09-03 | 2013-04-17 | 浙江瑞德利汽车部件有限公司 | Automatic tensioning wheel |
| CN202971780U (en) * | 2012-12-18 | 2013-06-05 | 潍柴动力股份有限公司 | Diesel engine and belt tension pulley thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016658A (en) | 2013-04-03 |
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