CN204610538U - Crankshaft of diesel engine - Google Patents
Crankshaft of diesel engine Download PDFInfo
- Publication number
- CN204610538U CN204610538U CN201520100420.7U CN201520100420U CN204610538U CN 204610538 U CN204610538 U CN 204610538U CN 201520100420 U CN201520100420 U CN 201520100420U CN 204610538 U CN204610538 U CN 204610538U
- Authority
- CN
- China
- Prior art keywords
- journal
- crank arm
- cylinder shape
- tapped
- rod journal
- 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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A kind of crankshaft of diesel engine, comprise rod journal, rod journal left end is provided with two journal stirrups, a journal stirrup has a tapped through hole.Rod journal right-hand member is provided with two No. two journal stirrups, No. two journal stirrups has No. two tapped through holes.Have multiple cylinder shape groove vertically arranged along a straight line matched with rod journal inside left crank arm, cylinder shape groove both sides are provided with the groove matched with a journal stirrup, and a bottom portion of groove has a tapped blind hole.Left crank arm is fixedly connected with rod journal by a bolt.Multiple No. two cylinder shape grooves vertically arranged along a straight line matched with rod journal are had inside right crank arm, No. two cylinder shape groove both sides are provided with No. two grooves matched with No. two journal stirrups, No. two bottom portion of groove have No. two tapped blind holes, and right crank arm is fixedly connected with rod journal by No. two bolts.Transitive relation between the utility model adjustable crankshaft-and-connecting-rod, better adaptability.
Description
Technical field
The utility model belongs to bent axle technical field, especially relates to a kind of crankshaft of diesel engine.
Background technique
The main rotary gadget of engine, after loading onto connecting rod, upper and lower (back and forth) motion can accepting connecting rod becomes circulation (rotation) motion.
The relative position of the rod journal of traditional crankshaft of diesel engine and left crank arm, right crank arm is fixing, and therefore, the transitive relation be contained on rod journal between connecting rod and bent axle is fixing.The crankshaft of diesel engine that mould is produced can only be applicable to an a kind of diesel engine of requirement, if desired produces the bent axle being suitable for different diesel engine demands, then need to offer different moulds, cost of production is high.
Model utility content
The purpose of this utility model to solve the deficiencies in the prior art part, and provide the crankshaft of diesel engine of the transitive relation between a kind of adjustable crankshaft-and-connecting-rod.
The purpose of this utility model is solved by following technical proposal:
A kind of crankshaft of diesel engine, it is characterized in that: comprise rod journal, described rod journal left end is provided with two journal stirrups, and a described journal stirrup is located at the front-end and back-end of rod journal respectively, and a described journal stirrup has a tapped through hole; Described rod journal right-hand member is provided with two No. two journal stirrups, and described No. two journal stirrups are located at the front-end and back-end of rod journal respectively, and described No. two journal stirrups have No. two tapped through holes;
Be provided with left crank arm on the left of described rod journal, on the left of left crank arm, be provided with left main journal, on the right side of described rod journal, be provided with right crank arm, on the right side of right crank arm, be provided with right main journal;
Described left crank arm and rod journal are for removably connecting, multiple cylinder shape groove matched with rod journal is had inside described left crank arm, the lower end being in a cylinder shape groove of top coincides with the upper end of the cylinder shape groove being in below, and a described multiple cylinder shape groove vertically arranges along a straight line; Described cylinder shape groove both sides are provided with the groove matched with a journal stirrup, and a described bottom portion of groove has a tapped blind hole; Also include the bolt matched with a tapped through hole, a tapped blind hole, left crank arm is fixedly connected with rod journal by a bolt;
Described right crank arm and rod journal are for removably connecting, multiple No. two cylinder shape grooves matched with rod journal are had inside described right crank arm, the lower end being in No. two cylinder shape grooves of top coincides with the upper end of No. two cylinder shape grooves being in below, and described multiple No. two cylinder shape grooves vertically arrange along a straight line; Described No. two cylinder shape groove both sides are provided with No. two grooves matched with No. two journal stirrups, and described No. two bottom portion of groove have No. two tapped blind holes; Also include No. two bolts matched with No. two tapped through holes, No. two tapped blind holes, right crank arm is fixedly connected with rod journal by No. two bolts.
Preferably, a described tapped through hole diameter, a bolt and a tapped blind hole equal diameters.
Preferably, described No. two tapped through hole diameters, No. two bolts and No. two tapped blind hole equal diameters.
Preferably, described left crank arm and left main journal are formed in one.
Preferably, described right crank arm and right main journal are formed in one.
Preferably, the quantity of a described cylinder shape groove and No. two cylinder shape grooves is equal, the quantity two of a described cylinder shape groove and two or more.
Compared to the prior art the utility model has following characteristics and beneficial effect:
1, left crank arm, right crank arm all and rod journal for removably connecting, in time needing different transitive relations, rod journal is adjusted to a corresponding cylinder shape groove and No. two cylinder shape groove places, be fixed again, same crankshaft of diesel engine can adapt to the demand of different diesel engine, reduces cost of production.
2, rod journal is fixedly connected with left crank arm by a journal stirrup, and rod journal is fixedly connected with right crank arm by No. two journal stirrups, can avoid rod journal and left crank arm, right crank arm generation relative displacement, guarantee the accuracy of crankshaft of diesel engine transmission.
Accompanying drawing explanation
Fig. 1 is the utility model decomposition texture schematic diagram.
Fig. 2 is the utility model rod journal structural representation.
Fig. 3 is the right TV structure schematic diagram of the left crank arm of the utility model.
Fig. 4 is the left TV structure schematic diagram of the right crank arm of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
A kind of crankshaft of diesel engine, comprise rod journal 1, described rod journal 1 left end is provided with two journal stirrups 2, and a described journal stirrup 2 is located at the front-end and back-end of rod journal 1 respectively, and a described journal stirrup 2 has a tapped through hole 3; Described rod journal 1 right-hand member is provided with two No. two journal stirrups 4, and described No. two journal stirrups 4 are located at the front-end and back-end of rod journal 1 respectively, and described No. two journal stirrups 4 have No. two tapped through holes 5.
Be provided with left crank arm 6 on the left of described rod journal 1, on the left of left crank arm 6, be provided with left main journal 7, on the right side of described rod journal 1, be provided with right crank arm 8, on the right side of right crank arm 8, be provided with right main journal 9.
Described left crank arm 6 and rod journal 1 are for removably connecting, multiple cylinder shape groove 10 matched with rod journal 1 is had inside described left crank arm 6, the lower end being in a cylinder shape groove 10 of top coincides with the upper end of the cylinder shape groove 10 being in below, and a described multiple cylinder shape groove 10 vertically arranges along a straight line.Described cylinder shape groove 10 both sides are provided with the groove 11 matched with a journal stirrup 2, have a tapped blind hole 12 bottom a described groove 11.Also include the bolt 13 matched with a tapped through hole 3, tapped blind hole 12, left crank arm 6 is fixedly connected with rod journal 1 by a bolt 13.
Described right crank arm 8 and rod journal 1 are for removably connecting, multiple No. two cylinder shape grooves 14 matched with rod journal 1 are had inside described right crank arm 8, the lower end being in No. two cylinder shape grooves 14 of top coincides with the upper end of No. two cylinder shape grooves 14 being in below, and described multiple No. two cylinder shape grooves 14 vertically arrange along a straight line.Described No. two cylinder shape groove 14 both sides are provided with No. two grooves 15 matched with No. two journal stirrups 4, have No. two tapped blind holes 16 bottom described No. two grooves 15.Also include No. two bolts 17 matched with No. two tapped through holes 5, No. two tapped blind holes 16, right crank arm 8 is fixedly connected with rod journal 1 by No. two bolts 17.
Left crank arm 6, right crank arm 8 all and rod journal 1 for removably connecting, in time needing different transitive relations, rod journal 1 is modulated a corresponding cylinder shape groove 10 and No. two cylinder shape groove 14 places, be fixed again, same crankshaft of diesel engine can adapt to the demand of different diesel engine, reduces cost of production.
Rod journal 1 is fixedly connected with left crank arm 6 by a journal stirrup 2, rod journal 1 is fixedly connected with right crank arm 8 by No. two journal stirrups 4, can avoid rod journal 1 and left crank arm 6, right crank arm 8 that relative displacement occurs, guarantee the accuracy of crankshaft of diesel engine transmission.
Described tapped through hole 3 diameter, a bolt 13 and tapped blind hole 12 equal diameters.Described No. two tapped through hole 5 diameters, No. two bolts 17 and No. two tapped blind hole 16 equal diameters.
Described left crank arm 6 and left main journal 7 are formed in one, and guarantee the stationarity between left crank arm 6 and left main journal 7.Described right crank arm 8 and right main journal 9 are formed in one, and guarantee the soundness between right crank arm 8 and right main journal 9.
The quantity of a described cylinder shape groove 10 and No. two cylinder shape grooves 14 is equal, the quantity two of a described cylinder shape groove 10 and two or more.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. a crankshaft of diesel engine, is characterized in that: comprise rod journal, and described rod journal left end is provided with two journal stirrups, and a described journal stirrup is located at the front-end and back-end of rod journal respectively, and a described journal stirrup has a tapped through hole; Described rod journal right-hand member is provided with two No. two journal stirrups, and described No. two journal stirrups are located at the front-end and back-end of rod journal respectively, and described No. two journal stirrups have No. two tapped through holes;
Be provided with left crank arm on the left of described rod journal, on the left of left crank arm, be provided with left main journal, on the right side of described rod journal, be provided with right crank arm, on the right side of right crank arm, be provided with right main journal;
Described left crank arm and rod journal are for removably connecting, multiple cylinder shape groove matched with rod journal is had inside described left crank arm, the lower end being in a cylinder shape groove of top coincides with the upper end of the cylinder shape groove being in below, and a described multiple cylinder shape groove vertically arranges along a straight line; Described cylinder shape groove both sides are provided with the groove matched with a journal stirrup, and a described bottom portion of groove has a tapped blind hole; Also include the bolt matched with a tapped through hole, a tapped blind hole, described left crank arm is fixedly connected with rod journal by a bolt;
Described right crank arm and rod journal are for removably connecting, multiple No. two cylinder shape grooves matched with rod journal are had inside described right crank arm, the lower end being in No. two cylinder shape grooves of top coincides with the upper end of No. two cylinder shape grooves being in below, and described multiple No. two cylinder shape grooves vertically arrange along a straight line; Described No. two cylinder shape groove both sides are provided with No. two grooves matched with No. two journal stirrups, and described No. two bottom portion of groove have No. two tapped blind holes; Also include No. two bolts matched with No. two tapped through holes, No. two tapped blind holes, described right crank arm is fixedly connected with rod journal by No. two bolts.
2. crankshaft of diesel engine according to claim 1, is characterized in that: a described tapped through hole diameter, a bolt and a tapped blind hole equal diameters.
3. crankshaft of diesel engine according to claim 1, is characterized in that: described No. two tapped through hole diameters, No. two bolts and No. two tapped blind hole equal diameters.
4. crankshaft of diesel engine according to claim 1, is characterized in that: described left crank arm and left main journal are formed in one.
5. crankshaft of diesel engine according to claim 1, is characterized in that: described right crank arm and right main journal are formed in one.
6. crankshaft of diesel engine according to claim 1, is characterized in that: the quantity of a described cylinder shape groove and No. two cylinder shape grooves is equal, the quantity two of a described cylinder shape groove and two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100420.7U CN204610538U (en) | 2015-02-12 | 2015-02-12 | Crankshaft of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100420.7U CN204610538U (en) | 2015-02-12 | 2015-02-12 | Crankshaft of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610538U true CN204610538U (en) | 2015-09-02 |
Family
ID=53963108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520100420.7U Expired - Fee Related CN204610538U (en) | 2015-02-12 | 2015-02-12 | Crankshaft of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610538U (en) |
-
2015
- 2015-02-12 CN CN201520100420.7U patent/CN204610538U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20190212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |