CN108425744A - Engine chain drive system - Google Patents
Engine chain drive system Download PDFInfo
- Publication number
- CN108425744A CN108425744A CN201810281675.6A CN201810281675A CN108425744A CN 108425744 A CN108425744 A CN 108425744A CN 201810281675 A CN201810281675 A CN 201810281675A CN 108425744 A CN108425744 A CN 108425744A
- Authority
- CN
- China
- Prior art keywords
- chain
- pressure pump
- dynamic rail
- sprocket
- cam shaft
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of engine chain drive systems comprising camshaft sprocket, cam shaft chains orbit determination, crankshaft sprocket, cam shaft chains dynamic rail, high pressure pump sprocket, high-pressure pump chain orbit determination, high-pressure pump chain dynamic rail, the first transmission chain, the second transmission chain and guide rail bolt；Wherein, crankshaft sprocket is made of the upper layer sprocket wheel of coaxial configuration and lower layer's sprocket wheel；Wherein, guide rail bolt has affixed successively first end, compartmented and second end, and the one end of first end far from compartmented has thread segment；Wherein, the first end of guide rail bolt is inserted in the first through hole of cam shaft chains dynamic rail, and the thread segment of first end is tightened against on engine body, to make cam shaft chains dynamic rail be fixed on engine body；And wherein, the second through-hole of high-pressure pump chain dynamic rail is sheathed in the second end of guide rail bolt, to make high-pressure pump chain dynamic rail be fixed on engine body.Whereby, engine chain drive system of the invention, saves arrangement space.
Description
Technical field
The present invention relates to engine art, more particularly to a kind of engine chain drive system.
Background technology
Riding diesel engine design is developed, chain transmission mode is relatively common arrangement.Chain transmission mode
Arrangement is related to chain movement Trajectory Design, chain guide design.
In diesel engine chain transmission mode, chain guide plays movement locus positioning, chain tension to chain drive
The effects that auxiliary, chain guide arrange the position generally according to chain movement track, sprocket wheel to carry out, and arrangement form compares certainly
By, and existing chain drive mode, arrangement occupied space are bigger.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of engine chain drive systems, to overcome existing chain drive system arrangement to account for
With the bigger disadvantage in space.
To achieve the above object, the present invention provides a kind of engine chain drive systems comprising camshaft sprocket, cam
Axis chain orbit determination, crankshaft sprocket, cam shaft chains dynamic rail, high pressure pump sprocket, high-pressure pump chain orbit determination, high-pressure pump chain dynamic rail,
First transmission chain, the second transmission chain and guide rail bolt；Wherein, crankshaft sprocket by coaxial configuration upper layer sprocket wheel and lower layer's sprocket wheel
It constitutes；Wherein, camshaft sprocket is connected by lower layer's sprocket wheel of the first transmission chain and crankshaft sprocket；Wherein, high pressure pump sprocket is logical
The upper layer sprocket wheel for crossing the second transmission chain and crankshaft sprocket connects；Wherein, the first transmission chain be mounted on cam shaft chains orbit determination with it is convex
In wheel shaft chain dynamic rail, and one end of cam shaft chains dynamic rail offers first through hole；Wherein, the second transmission chain is mounted on high pressure
It pumps in chain orbit determination and high-pressure pump chain dynamic rail, and one end of high-pressure pump chain dynamic rail offers the second through-hole；Wherein, guide rail spiral shell
Bolt has affixed successively first end, compartmented and second end, and the one end of first end far from compartmented has thread segment；Its
In, the first end of guide rail bolt is inserted in the first through hole of cam shaft chains dynamic rail, and the thread segment of first end is tightened against and starts
On machine body, to make cam shaft chains dynamic rail be fixed on engine body；And wherein, the second of high-pressure pump chain dynamic rail
Through-hole is sheathed in the second end of guide rail bolt, to make high-pressure pump chain dynamic rail be fixed on engine body.
Preferably, in above-mentioned technical proposal, the other end of cam shaft chains dynamic rail is provided with the first stretcher, and first
Tight device is adjusting the tensioning state of the first transmission chain.
Preferably, in above-mentioned technical proposal, the other end of high-pressure pump chain dynamic rail is provided with the second stretcher, and second
Tight device is adjusting the tensioning state of the second transmission chain.
Preferably, in above-mentioned technical proposal, the diameter of the compartmented of guide rail bolt is more than the first of cam shaft chains dynamic rail
The diameter of through-hole.
Preferably, in above-mentioned technical proposal, the diameter of the compartmented of guide rail bolt is more than the second of high-pressure pump chain dynamic rail
The diameter of through-hole.
Compared with prior art, the present invention has the advantages that：The engine chain drive system of the present invention, saves
Arrangement space, and ensure that the stability that two dynamic rails respectively work, it avoids and generates unnecessary interference.
Description of the drawings
Fig. 1 is the main structure diagram of engine chain drive system according to the present invention.
Fig. 2 is the side structure schematic view of engine chain drive system according to the present invention.
Fig. 3 is the close-up schematic view of engine chain drive system according to the present invention.
Fig. 4 is the structural schematic diagram of engine chain drive system middle guide bolt according to the present invention.
Main appended drawing reference explanation：
1- camshaft sprockets, 2- cam shaft chains orbit determination, 3- crankshaft sprockets, 4- cam shaft chains dynamic rails, 41- first are tensioned
Device, 5- high pressure pump sprockets, 6- high-pressure pump chain orbit determination, 7- high-pressure pump chain dynamic rails, the second stretchers of 71-, the first transmission chains of 8-,
The second transmission chains of 9-, 10- guide rail bolts, 101- first ends, 102- thread segments, 103- compartmenteds, 104- second ends.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Figures 1 to 4, Fig. 1 is the main structure diagram of engine chain drive system according to the present invention；Fig. 2
It is the side structure schematic view of engine chain drive system according to the present invention；Fig. 3 is engine chain drive according to the present invention
The close-up schematic view of system；Fig. 4 is the structural representation of engine chain drive system middle guide bolt 10 according to the present invention
Figure.
According to a kind of engine chain drive system of the specific embodiment of the invention comprising camshaft sprocket 1, camshaft
Chain orbit determination 2, crankshaft sprocket 3, cam shaft chains dynamic rail 4, high pressure pump sprocket 5, high-pressure pump chain orbit determination 6, high-pressure pump chain are dynamic
Rail 7, the first transmission chain 8, the second transmission chain 9 and guide rail bolt 10；Wherein, crankshaft sprocket 3 by coaxial configuration upper layer sprocket wheel
It is constituted with lower layer's sprocket wheel；Wherein, camshaft sprocket 1 is connect by the first transmission chain 8 with lower layer's sprocket wheel of crankshaft sprocket 3；Wherein,
High pressure pump sprocket 5 is connect by the second transmission chain 9 with the upper layer sprocket wheel of crankshaft sprocket 3；Wherein, the first transmission chain 8 is mounted on convex
On wheel shaft chain orbit determination 2 and cam shaft chains dynamic rail 4, and one end of cam shaft chains dynamic rail 4 offers first through hole；Wherein,
Second transmission chain 9 is mounted in high-pressure pump chain orbit determination 6 and high-pressure pump chain dynamic rail 7, and one end of high-pressure pump chain dynamic rail 7 is opened
Equipped with the second through-hole；Wherein, guide rail bolt 10 has affixed successively first end 101, compartmented 103 and second end 104, and
The one end of first end 101 far from compartmented 103 has thread segment 102；Wherein, the first end 101 of guide rail bolt 10 is inserted in convex
The first through hole of wheel shaft chain dynamic rail 4, and the thread segment 102 of first end 101 is tightened against on engine body, to make camshaft
Chain dynamic rail 4 is fixed on engine body；And wherein, the second through-hole of high-pressure pump chain dynamic rail 7 is sheathed on guide rail bolt
In 10 second end 104, to make high-pressure pump chain dynamic rail 7 be fixed on engine body.
Preferably, the other end of cam shaft chains dynamic rail 4 is provided with the first stretcher 41, and the first stretcher 41 is adjusting
Save the tensioning state of the first transmission chain 8；The other end of high-pressure pump chain dynamic rail 7 is provided with the second stretcher 71, and the second tensioning
Device 71 is adjusting the tensioning state of the second transmission chain 9.
Preferably, the diameter of the compartmented 103 of guide rail bolt 10 is more than the straight of the first through hole of cam shaft chains dynamic rail 4
Diameter；The diameter of the compartmented 103 of guide rail bolt 10 is more than the diameter of the second through-hole of high-pressure pump chain dynamic rail 7.
In practical applications, crankshaft sprocket 3 is made of the upper layer sprocket wheel of coaxial configuration and lower layer's sprocket wheel, and chain drive is
Since the upper layer sprocket wheel of bent axle and lower layer's sprocket wheel, the bottom of the first transmission chain 8 and lower layer's sprocket engagement of crankshaft sprocket 3, the
The top of one transmission chain 8 is engaged with camshaft sprocket 1, to transfer torque to camshaft sprocket 1 by the first transmission chain 8；And
One end of second transmission chain 9 and the upper layer sprocket engagement of crankshaft sprocket 3, the other end and the high pressure pump sprocket 5 of the second transmission chain 9 are nibbled
It closes, to deliver torque to high pressure pump sprocket 5 by the second transmission chain 9.The both sides of first transmission chain 8 are respectively arranged with cam
Axis chain orbit determination 2 and cam shaft chains dynamic rail 4, so that the first transmission chain 8 can be in cam shaft chains orbit determination 2 and camshaft
It is driven in chain dynamic rail 4.The both sides up and down of second transmission chain 9 are respectively arranged with high-pressure pump chain orbit determination 6 and high-pressure pump chain is dynamic
Rail 7, so that the second transmission chain 9 can be driven in high-pressure pump chain orbit determination 6 and high-pressure pump chain dynamic rail 7.
Wherein, cam shaft chains orbit determination 2 and high-pressure pump chain orbit determination 6 have just fixed in the case where assembling original state, and convex
Wheel shaft chain dynamic rail 4 and high-pressure pump chain dynamic rail 7 are then fixed on by a guide rail bolt 10 on engine body, are come in detail
It says, the first end 101 of guide rail bolt 10 passes through the first through hole in cam shaft chains dynamic rail 4 and is tightened against on engine body
(i.e. the thread segment 102 of first end 101 is tightened against on engine body, and the rest part of first end 101 is then sheathed on first and leads to
In hole), since guide rail bolt 10 has compartmented 103 (diameter of compartmented 103 is more than the diameter of first through hole), so cam
Axis chain dynamic rail 4, which has been fixed, to be limited.And the second through-hole of high-pressure pump chain dynamic rail 7 is sheathed on guide rail bolt 10 at this time
In second end 104, then high-pressure pump chain dynamic rail 7 is also fixed on engine body, and is separated since guide rail bolt 10 has
Section 103 (diameter of compartmented 103 is more than the diameter of the second through-hole), so the fixed limited post of high-pressure pump chain dynamic rail 7 one.It leads
Rail bolt 10 separates cam shaft chains dynamic rail 4 and high-pressure pump chain dynamic rail 7, make this two dynamic rails in mutual movement not
Influence is will produce, ensure that the stability respectively to work.And cam shaft chains dynamic rail 4 and high-pressure pump chain dynamic rail 7 can be
It is tensioned respectively by adjusting the first stretcher 41 and the second stretcher 71 during use, to prevent the first transmission chain
8 and second transmission chain 9 wear after slippage phenomenon.
In short, the engine chain drive system of the present invention has the advantages that：
1, engine chain drive system of the invention, by one guide rail of cam shaft chains dynamic rail and high-pressure pump chain dynamic rail
Bolt is limited, and arrangement space is saved；
2, engine chain drive system of the invention, using cellular-type design, (i.e. guide rail bolt has separates guide rail bolt
Section), cam shaft chains dynamic rail and high-pressure pump chain dynamic rail are separated on a guide rail bolt, to ensure that two dynamic rails
The stability respectively to work avoids and generates unnecessary interference.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of engine chain drive system, which is characterized in that including camshaft sprocket, cam shaft chains orbit determination, crankshaft sprocket,
Cam shaft chains dynamic rail, high pressure pump sprocket, high-pressure pump chain orbit determination, high-pressure pump chain dynamic rail, the first transmission chain, the second transmission chain
And guide rail bolt；
Wherein, the crankshaft sprocket is made of the upper layer sprocket wheel of coaxial configuration and lower layer's sprocket wheel；
Wherein, the camshaft sprocket is connect by first transmission chain with lower layer's sprocket wheel of the crankshaft sprocket；
Wherein, the high pressure pump sprocket is connect by second transmission chain with the upper layer sprocket wheel of the crankshaft sprocket；
Wherein, first transmission chain is mounted in the cam shaft chains orbit determination and the cam shaft chains dynamic rail, and described
One end of cam shaft chains dynamic rail offers first through hole；
Wherein, second transmission chain is mounted in the high-pressure pump chain orbit determination and the high-pressure pump chain dynamic rail, and described
One end of high-pressure pump chain dynamic rail offers the second through-hole；
Wherein, the guide rail bolt has affixed successively first end, compartmented and second end, and the first end is far from institute
The one end for stating compartmented has thread segment；
Wherein, the first end of the guide rail bolt is inserted in the first through hole of the cam shaft chains dynamic rail, and institute
The thread segment for stating first end is tightened against on engine body, to make the cam shaft chains dynamic rail be fixed on described start
On machine body；And
Wherein, second through-hole of the high-pressure pump chain dynamic rail is sheathed in the second end of the guide rail bolt, from
And the high-pressure pump chain dynamic rail is made to be fixed on the engine body.
2. engine chain drive system according to claim 1, which is characterized in that the cam shaft chains dynamic rail it is another
End is provided with the first stretcher, and first stretcher is adjusting the tensioning state of first transmission chain.
3. engine chain drive system according to claim 1, which is characterized in that the high-pressure pump chain dynamic rail it is another
End is provided with the second stretcher, and second stretcher is adjusting the tensioning state of second transmission chain.
4. engine chain drive system according to claim 1, which is characterized in that the compartmented of the guide rail bolt
Diameter be more than the cam shaft chains dynamic rail the first through hole diameter.
5. engine chain drive system according to claim 1, which is characterized in that the compartmented of the guide rail bolt
Diameter be more than the high-pressure pump chain dynamic rail second through-hole diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281675.6A CN108425744A (en) | 2018-04-02 | 2018-04-02 | Engine chain drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281675.6A CN108425744A (en) | 2018-04-02 | 2018-04-02 | Engine chain drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108425744A true CN108425744A (en) | 2018-08-21 |
Family
ID=63159772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810281675.6A Pending CN108425744A (en) | 2018-04-02 | 2018-04-02 | Engine chain drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425744A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007085237A (en) * | 2005-09-21 | 2007-04-05 | Mazda Motor Corp | Front structure of engine |
| CN201255213Y (en) * | 2007-11-30 | 2009-06-10 | 广西玉柴机器股份有限公司 | Chain transmission timing system for diesel engine |
| CN201416465Y (en) * | 2009-04-13 | 2010-03-03 | 奇瑞汽车股份有限公司 | Time chain transmission device of internal combustion engine |
| CN205277593U (en) * | 2016-01-05 | 2016-06-01 | 安徽江淮汽车股份有限公司 | Chain system structure |
| CN106150688A (en) * | 2014-11-03 | 2016-11-23 | 现代自动车株式会社 | Timing transmission chain chamber unit and timing chain system |
| CN208040532U (en) * | 2018-04-02 | 2018-11-02 | 广西玉柴机器股份有限公司 | Engine chain drive system |
-
2018
- 2018-04-02 CN CN201810281675.6A patent/CN108425744A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007085237A (en) * | 2005-09-21 | 2007-04-05 | Mazda Motor Corp | Front structure of engine |
| CN201255213Y (en) * | 2007-11-30 | 2009-06-10 | 广西玉柴机器股份有限公司 | Chain transmission timing system for diesel engine |
| CN201416465Y (en) * | 2009-04-13 | 2010-03-03 | 奇瑞汽车股份有限公司 | Time chain transmission device of internal combustion engine |
| CN106150688A (en) * | 2014-11-03 | 2016-11-23 | 现代自动车株式会社 | Timing transmission chain chamber unit and timing chain system |
| CN205277593U (en) * | 2016-01-05 | 2016-06-01 | 安徽江淮汽车股份有限公司 | Chain system structure |
| CN208040532U (en) * | 2018-04-02 | 2018-11-02 | 广西玉柴机器股份有限公司 | Engine chain drive system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |