CN110374984A - A kind of crankshaft - Google Patents
A kind of crankshaft Download PDFInfo
- Publication number
- CN110374984A CN110374984A CN201910663160.7A CN201910663160A CN110374984A CN 110374984 A CN110374984 A CN 110374984A CN 201910663160 A CN201910663160 A CN 201910663160A CN 110374984 A CN110374984 A CN 110374984A
- Authority
- CN
- China
- Prior art keywords
- rod journal
- block
- fixedly connected
- spring
- oil
- 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.)
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/10—Crankshafts assembled of several parts, e.g. by welding by crimping
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/16—Features relating to cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to crankshaft fields, specifically a kind of crankshaft, including main shaft, cavity, sliding slot, oil filler point, oiling channel, crank arm, trunnion, rod journal, supporting mechanism, ball, slide bar, block, the first spring, piston, bearing, oil filling mechanism, fixture block, Rotational Cylindrical, link block and second spring；Use by the supporting mechanism being arranged on rod journal is supported connecting rod by supporting mechanism to make connecting rod when rotating on the rod journal that crankshaft includes, to reduce the friction on connecting rod and rod journal；To when link rotatable squeezes supporting mechanism, supporting mechanism squeezes lubricating oil, to make lubricating oil preferably contradict oil filling mechanism, to make oil filling mechanism preferably block oil filler point, and in supporting mechanism in the motion process in sliding slot back and forth, to make the junction of supporting mechanism and connecting rod carry out profit by lubricating oil, to advantageously reduce the friction between connecting rod and rod journal.
Description
Technical field
The present invention relates to crankshaft field, specifically a kind of crankshaft.
Background technique
Crankshaft is most important component in engine.It bears the power that connecting rod transmits, and is transformed into torque and passes through song
Axis exports and other attachmentes on engine is driven to work.Crankshaft is by the centrifugal force of gyrating mass, the gas inertia of mechanical periodicity
The collective effect of power and reciprocal inertia force makes crankshaft bear the effect of flexion torsion load.Therefore it is required that crankshaft have it is enough strong
Degree and rigidity, journal surface need are wear-resisting, work is uniform, balance is good.
Crankshaft subjects the effect of the explosion pressure of very big gas, the impact of inertia force and centrifugal force in use, from
And can make connecting rod when rotating on the rod journal that crankshaft includes, so that rod journal be made to be worn, severe may
The fracture for the rod journal for causing crankshaft to include.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of crankshafts, pass through the support being arranged on rod journal
The use of mechanism carries out connecting rod by supporting mechanism to make connecting rod when rotating on the rod journal that crankshaft includes
Support, to reduce the friction on connecting rod and rod journal；Open what oil filling mechanism blocked consequently facilitating supporting by pin type oil syringe
Oil filler point, consequently facilitating lubricating oil enters in cavity, and after the completion of oiling, by automatically reseting for oil filling mechanism, thus
It blocks oil filler point again, prevents lubricating oil from flowing out from oil filler point；To prop up when link rotatable squeezes supporting mechanism
Support mechanism squeezes lubricating oil, to make lubricating oil preferably contradict oil filling mechanism, so that oil filling mechanism be made preferably to block oiling
Hole, and in supporting mechanism in the motion process in sliding slot back and forth, drive lubricating oil to fill the inner wall of sliding slot, so that contamination is arrived
On entire supporting mechanism, to make the junction of supporting mechanism and connecting rod carry out profit by lubricating oil, thus the company of advantageously reducing
Friction between bar and rod journal.
The technical solution adopted by the present invention to solve the technical problems is: a kind of crankshaft, including main shaft, crank arm, main shaft
Neck, rod journal, supporting mechanism, bearing and oil filling mechanism, the main shaft for fixing are fixedly connected for described in balance
Crank arm, the both ends of the rod journal for connection are fixedly connected with the crank arm for balance, the institute for connection
It states trunnion and is fixedly connected with the one end for deviating from the rod journal for connection for the crank arm of balance, for connecting
The bearing of flywheel is socketed the main shaft for fixing, and the oil filling mechanism for lubricating oil to be added, which is fixedly connected, to be used for
The rod journal of connection, the supporting mechanism for support are slidably connected the rod journal being used to support.
Specifically, the supporting mechanism includes ball, slide bar, block, the first spring and piston, the ball rotation connection
The sliding slot being equipped in the rod journal, the slide bar contradict the ball, are socketed with the block on the slide bar, and described the
One spring is socketed the slide bar, and one end of first spring is fixedly connected with the block, and the other end of first spring is solid
Surely the rod journal is connected, the slide bar is fixedly connected with the piston away from one end of the ball, and the piston sliding connects
Connect the sliding slot, the sliding bar connects the sliding slot, and the block is slidably connected the sliding slot；Consequently facilitating by described
The ball that supporting mechanism includes contradicts connecting rod, causes the rod journal to grind to prevent connecting rod from squeezing the rod journal
Damage, when in use, in connecting rod socket and the rod journal, so that the part for being socketed connecting rod on the rod journal is supported
The ball is touched, when crank rotation, connecting rod squeezes the ball when rotating on the rod journal, thus
The ball is set to drive the slide bar, the block and the piston mobile to the direction of the cavity, to be the block
First spring, and lubricating oil present in sliding slot described in the piston press and the cavity are squeezed, to generate one
A reaction force contradicts the extruding force generated to connecting rod to the ball, generates to reduce the ball to the rod journal
Pressure, to slow down the abrasion of the rod journal.
Specifically, the rod journal is equipped with the oil filler point of injection lubricating oil, the inside of the rod journal is equipped with just
In the cavity of lubricating oil storage, the rod journal is equipped with the oiling channel of the connection oil filler point and the cavity, described
It is interconnected between the sliding slot and the cavity that rod journal is equipped with；Consequently facilitating in the mobile relationship of the piston
In, to be that the piston driving lubricating oil moves in the sliding slot, so that lubricating oil is made to be transfected into the side wall of the sliding slot,
To make in lubricating oil contamination to the ball, consequently facilitating by the junction of ball and connecting rod described in oil lubrication, from
And preferably rotated on the rod journal convenient for connecting rod, to advantageously reduce abrasion of the connecting rod to the rod journal.
Specifically, the oil filling mechanism includes fixture block, Rotational Cylindrical, link block and second spring, the both ends of the Rotational Cylindrical
It is fixedly connected with the rod journal, the link block is rotatablely connected the rod journal, the link block by the Rotational Cylindrical
It is rotatablely connected the Rotational Cylindrical, the second spring socket and the Rotational Cylindrical, one end of the second spring is fixedly connected with institute
Rod journal is stated, the other end of the second spring is fixedly connected with the link block, and the link block is fixedly connected with the fixture block,
The fixture block engages the oil filler point；To squeeze the fixture block using pin type oil syringe, to be that the fixture block turns counterclockwise
It is dynamic, it to be that the link block of the fixture block connection rotates in the Rotational Cylindrical, and is the second spring stress, from
And make to form a gap between the fixture block and the oil filler point, so that lubricating oil be made to enter the oiling channel from gap
And enter in the cavity, after pin type oil syringe is extracted from the oil filler point, the second spring resets, to make institute
Stating link block drives fixture block opposite direction in the Rotational Cylindrical to rotate, to be that the fixture block engages the oil filler point；And
And when the ball squeezes the slide bar, so that it is mobile to the direction of the cavity to make the piston, and institute is squeezed
State the lubricating oil in sliding slot, so that lubricating oil be made to squeeze the fixture block, thus make the fixture block preferably by the oil filler point into
Row is blocked, to prevent lubricating oil from flowing out from the oil filler point.
Beneficial effects of the present invention:
(1) a kind of crankshaft of the invention, by the use for the supporting mechanism being arranged on rod journal, so that connecting rod be made to exist
When rotation on the rod journal that crankshaft includes, connecting rod is supported by supporting mechanism, to reduce connecting rod and connecting rod
Friction on axle journal.
(2) a kind of crankshaft of the invention, by the use for the oil filling mechanism being arranged on rod journal, consequently facilitating passing through needle
Formula oil syringe supports and opens the oil filler point that oil filling mechanism blocks, consequently facilitating lubricating oil enters in cavity, and after the completion of oiling, leads to
Automatically reseting for oil filling mechanism is crossed, so that oil filler point be made to block again, prevents lubricating oil from flowing out from oil filler point.
(3) a kind of crankshaft of the invention, by being used cooperatively for supporting mechanism and oil filling mechanism, to be squeezed in link rotatable
When pressing supporting mechanism, supporting mechanism squeezes lubricating oil, to make lubricating oil preferably contradict oil filling mechanism, to make oiling
Oil filler point is preferably blocked by mechanism, and in supporting mechanism in the motion process in sliding slot back and forth, and lubricating oil is driven to fill cunning
The inner wall of slot, thus in contamination to entire supporting mechanism, so that the junction of supporting mechanism and connecting rod be made to be moistened by lubricating oil
Change, to advantageously reduce the friction between connecting rod and rod journal.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of crankshaft provided by the invention；
Fig. 2 is the schematic cross-section of supporting mechanism shown in FIG. 1；
Fig. 3 is the portion A shown in Fig. 2 enlarged drawing；
Fig. 4 is the structural schematic diagram of oil filling mechanism shown in Fig. 3.
In figure: 1, main shaft, 1a, cavity, 1b, sliding slot, 1c, oil filler point, 1d, oiling channel, 2, crank arm, 3, trunnion,
4, rod journal, 5, supporting mechanism, 51, ball, 52, slide bar, 53, block, the 54, first spring, 55, piston, 6, bearing, 7, note
Oil machine structure, 71, fixture block, 72, Rotational Cylindrical, 73, link block, 74, second spring.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As Figure 1-Figure 4, a kind of crankshaft of the present invention, including main shaft 1, crank arm 2, trunnion 3, rod journal
4, supporting mechanism 5, bearing 6 and oil filling mechanism 7, the main shaft 1 for fixing are fixedly connected with the crank arm for balance
2, the both ends of the rod journal 4 for connection are fixedly connected with the crank arm 2 for balance, the master for connection
Axle journal 3 is fixedly connected with the one end for deviating from the rod journal 4 for connection for the crank arm 2 of balance, for connecting
The bearing 6 of flywheel is socketed the main shaft 1 for fixing, and the oil filling mechanism 7 for lubricating oil to be added is fixedly connected
For the rod journal 4 of connection, the supporting mechanism 5 for support is slidably connected the rod journal being used to support
4。
Specifically, the supporting mechanism 5 includes ball 51, slide bar 52, block 53, the first spring 54 and piston 55, it is described
Ball 51 is rotatablely connected the sliding slot 4b being equipped in the rod journal 4, and the slide bar 52 contradicts the ball 51, the slide bar 52
On be socketed with the block 53, first spring 54 is socketed the slide bar 52, and one end of first spring 54 is fixedly connected
The block 53, the other end of first spring 54 are fixedly connected with the rod journal 4, and the slide bar 52 deviates from the ball
51 one end is fixedly connected with the piston 55, and the piston 55 is slidably connected the sliding slot 4b, and the slide bar 52 is slidably connected institute
State sliding slot 4b, the block 53 is slidably connected the sliding slot 4b；Consequently facilitating the ball for including by the supporting mechanism
51 contradict connecting rod, cause the rod journal 4 to wear to prevent connecting rod from squeezing the rod journal 4, when in use, even
Rod set connect on the rod journal 4, so that the part for being socketed connecting rod on the rod journal 4 contradicts the ball 51,
When crank rotation, connecting rod squeezes the ball 51 when rotating on the rod journal 4, to make the ball
51 drive the slide bar 52, the block 53 and the piston 55 mobile to the direction of the cavity 4a, to be the block
53 squeeze first spring 54, and the piston 55 squeezes lubricating oil present in the sliding slot 4b and the cavity 4a,
The extruding force generated to connecting rod to the ball 51 is contradicted to generate a reaction force, to reduce 51 pairs of institutes of the ball
The pressure for stating the generation of rod journal 4, to slow down the abrasion of the rod journal 4.
Specifically, the rod journal 4 is equipped with the oil filler point 4c of injection lubricating oil, the inside of the rod journal 4 is set
There is the cavity 4a convenient for lubricating oil storage, the rod journal 4 is equipped with the note for being connected to the oil filler point 4c and the cavity 4a
It is interconnected between oily channel 4d, the sliding slot 4b and the cavity 4a that the rod journal 4 is equipped with；Consequently facilitating institute
It states in the mobile relationship of piston 55, to be that the piston 55 drives lubricating oil to move in the sliding slot 4b, to make to lubricate
Oil is transfected into the side wall of the sliding slot 4b, to make in lubricating oil contamination to the ball 51, consequently facilitating glossy by lubricating
The junction of the sliding ball 51 and connecting rod, consequently facilitating connecting rod preferably rotates on the rod journal 4, to be conducive to
Reduce abrasion of the connecting rod to the rod journal 4.
Specifically, the oil filling mechanism 7 includes fixture block 71, Rotational Cylindrical 72, link block 73 and second spring 74, the rotation
The both ends of column 72 are fixedly connected with the rod journal 4, and the link block 73 is rotatablely connected the connecting rod by the Rotational Cylindrical 72
Axle journal 4, the link block 73 is rotatablely connected the Rotational Cylindrical 72, the socket of second spring 74 and the Rotational Cylindrical 72, described
One end of second spring 74 is fixedly connected with the rod journal 4, and the other end of the second spring 74 is fixedly connected with the connection
Block 73, the link block 73 are fixedly connected with the fixture block 71, and the fixture block 71 engages the oil filler point 4c；To be infused using pin type
Oily device squeezes the fixture block 71, to be that the fixture block 71 rotates counterclockwise, to be the connection that the fixture block 71 connects
Block 73 rotates in the Rotational Cylindrical 72, and is 74 stress of second spring, to make the fixture block 71 and the oiling
A gap is formed between the 4c of hole, to make lubricating oil enter the oiling channel 4d from gap and enter the cavity 4a
In, after pin type oil syringe is extracted from the oil filler point 4c, the second spring 74 resets, to make 73 band of link block
It moves the fixture block 71 opposite direction in the Rotational Cylindrical 72 to rotate, to be that the fixture block 71 engages the oil filler point 4c；And
When the ball 51 squeezes slide bar 52, thus keep the piston 55 mobile to the direction of the cavity 4a, and
The lubricating oil in the sliding slot 4b is squeezed, to make lubricating oil squeeze the fixture block 71, so that the fixture block 71 be made preferably will
The oil filler point 4c is blocked, to prevent lubricating oil from flowing out from the oil filler point 4c.
When in use, it first has to fixture block 71 be squeezed using pin type oil syringe, to be card lubricating oil is injected into cavity 4a
Block 71 rotates counterclockwise, to be that the link block 73 that fixture block 71 connects rotates in Rotational Cylindrical 72, and be second spring 74 by
Power, to make to form a gap between fixture block 71 and oil filler point 4c, so that lubricating oil be made to enter oiling channel 4d from gap
And enter in cavity 4a, after pin type oil syringe is extracted from oil filler point 4c, second spring 74 resets, to make link block 73
The opposite direction in Rotational Cylindrical 72 of fixture block 71 is driven to rotate, to be that fixture block 71 engages oil filler point 4c；When in use, connecting rod set
It connects on rod journal 4, so that the part on connecting rod socket rod journal 4 be made to contradict ball 51, when crank rotation, connects
Bar when being rotated on rod journal 4, squeeze ball 51, thus make ball 51 with moving slide-bar 52, block 53 and piston 55 to
The direction of cavity 4a is mobile, to be that block 53 squeezes the first spring 54, and piston 55 is squeezed and deposited in sliding slot 4b and cavity 4a
Lubricating oil, so that generating reaction force contradicts the extruding force generated to connecting rod to ball 51, to reduce ball 51
To the pressure that rod journal 4 generates, thus slow down the abrasion of rod journal 4, and when ball 51 squeezes slide bar 52, from
And keep piston 55 mobile to the direction of cavity 4a, and squeeze the lubricating oil in sliding slot 4b, so that lubricating oil is made to squeeze fixture block 71,
To make fixture block 71 preferably block oil filler point 4c, to prevent lubricating oil from flowing out from oil filler point 4c.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (4)
1. a kind of crankshaft, it is characterised in that: main shaft (1), crank arm (2), trunnion (3), rod journal (4), supporting mechanism
(5), bearing (6) and oil filling mechanism (7), the main shaft (1) for fixing are fixedly connected with the crank arm for balance
(2), the both ends for the rod journal (4) of connection are fixedly connected with the crank arm (2) for balance, for connection
The trunnion (3), which is fixedly connected, deviates from one of the rod journal (4) for connection for the crank arm (2) of balance
End, the bearing (6) for connecting flywheel is socketed the main shaft (1) for fixing, for the note of lubricating oil to be added
Oil machine structure (7) is fixedly connected with the rod journal (4) for connection, and the supporting mechanism (5) for support is slidably connected
The rod journal (4) being used to support.
2. a kind of crankshaft according to claim 1, it is characterised in that: the supporting mechanism (5) includes ball (51), slide bar
(52), block (53), the first spring (54) and piston (55), the ball (51) are rotatablely connected in the rod journal (4) and set
Some sliding slots (4b), the slide bar (52) contradict the ball (51), are socketed with the block (53), institute on the slide bar (52)
It states the first spring (54) and is socketed the slide bar (52), one end of first spring (54) is fixedly connected with the block (53), institute
The other end for stating the first spring (54) is fixedly connected the rod journal (4), and the slide bar (52) is away from the ball (51)
One end is fixedly connected the piston (55), and the piston (55) is slidably connected the sliding slot (4b), and slide bar (52) sliding connects
It connects the sliding slot (4b), the block (53) is slidably connected the sliding slot (4b).
3. a kind of crankshaft according to claim 2, it is characterised in that: the rod journal (4) is equipped with injection lubricating oil
Oil filler point (4c), the cavity (4a) that the inside of the rod journal (4) is equipped with convenient for lubricating oil storage, the rod journal
(4) it is equipped with the oiling channel (4d) of the connection oil filler point (4c) and the cavity (4a), the rod journal (4) is equipped with
The sliding slot (4b) and the cavity (4a) between be interconnected.
4. a kind of crankshaft according to claim 3, it is characterised in that: the oil filling mechanism (7) includes fixture block (71), rotation
The both ends of column (72), link block (73) and second spring (74), the Rotational Cylindrical (72) are fixedly connected with the rod journal (4),
The link block (73) is rotatablely connected the rod journal (4) by the Rotational Cylindrical (72), and link block (73) rotation connects
It connects the Rotational Cylindrical (72), second spring (74) socket and the Rotational Cylindrical (72), one end of the second spring (74)
It is fixedly connected the rod journal (4), the other end of the second spring (74) is fixedly connected with the link block (73), the company
It connects block (73) to be fixedly connected the fixture block (71), the fixture block (71) engages the oil filler point (4c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910663160.7A CN110374984B (en) | 2019-07-22 | 2019-07-22 | Crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910663160.7A CN110374984B (en) | 2019-07-22 | 2019-07-22 | Crankshaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374984A true CN110374984A (en) | 2019-10-25 |
| CN110374984B CN110374984B (en) | 2021-11-12 |
Family
ID=68254894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910663160.7A Active CN110374984B (en) | 2019-07-22 | 2019-07-22 | Crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374984B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322303A (en) * | 2020-03-12 | 2020-06-23 | 江苏松林汽车零部件有限公司 | Crankshaft for engine |
| CN113982876A (en) * | 2021-10-30 | 2022-01-28 | 宁波钱湖石油设备有限公司 | Reciprocating pump power device |
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| CN108412889A (en) * | 2018-05-11 | 2018-08-17 | 南京世界村汽车动力有限公司 | A kind of engine crankshaft |
| CN208749799U (en) * | 2018-07-27 | 2019-04-16 | 重庆天得力工业有限公司 | Crankshaft of motorcycle assembly |
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| KR100413061B1 (en) * | 2001-01-19 | 2003-12-31 | 한국과학기술연구원 | Smart foil journal bearing using piezoelectric actuators |
| CN2617948Y (en) * | 2003-04-05 | 2004-05-26 | 大连冷冻机股份有限公司 | Low-temperature compressor for ship |
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| CN111322303A (en) * | 2020-03-12 | 2020-06-23 | 江苏松林汽车零部件有限公司 | Crankshaft for engine |
| CN111322303B (en) * | 2020-03-12 | 2022-03-29 | 江苏松林汽车零部件有限公司 | Crankshaft for engine |
| CN113982876A (en) * | 2021-10-30 | 2022-01-28 | 宁波钱湖石油设备有限公司 | Reciprocating pump power device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110374984B (en) | 2021-11-12 |
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Effective date of registration: 20211013 Address after: 238100 No. 18, Xingye Road, West District, economic development zone, Hanshan County, Ma'anshan City, Anhui Province Applicant after: Anhui zhongmaiya Electromechanical Technology Co.,Ltd. Address before: 230000 Anhui Keli Information Industry Co.,Ltd., No. 628, Mount Huangshan Road, High tech Zone, Hefei City, Anhui Province Applicant before: Yang Zirong |
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Denomination of invention: A type of crankshaft Effective date of registration: 20230529 Granted publication date: 20211112 Pledgee: Agricultural Bank of China Limited Hanshan County sub branch Pledgor: Anhui zhongmaiya Electromechanical Technology Co.,Ltd. Registration number: Y2023980042113 |