CN102644522A - Integrated single-cylinder engine base structure - Google Patents
Integrated single-cylinder engine base structure Download PDFInfo
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- CN102644522A CN102644522A CN201210138344XA CN201210138344A CN102644522A CN 102644522 A CN102644522 A CN 102644522A CN 201210138344X A CN201210138344X A CN 201210138344XA CN 201210138344 A CN201210138344 A CN 201210138344A CN 102644522 A CN102644522 A CN 102644522A
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- balance cylinder
- supporting clapboard
- bent axle
- main bearing
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Abstract
The invention relates to an integrated single-cylinder engine base structure which comprises a lower crankcase (1), a left balance chamber (2), a right balance chamber (3) and an oil pan (4), wherein the left balance chamber (2) and the right balance chamber (3) are symmetrically arranged at left and right sides of the lower crankcase (1); and the oil pan (4) is arranged at the lower parts of the left balance chamber (2) and the right balance chamber (3). According to the invention, the integrated single-cylinder engine base structure integrates a plurality of functions into a whole body and has high integration degree; three chambers are transversely arranged and three clapboards are longitudinally arranged, so that the longitudinal and transverse size proportion is proper, the integral rigidity is high, and the stability is high; a three-gear crankshaft bearing base is divided into a load-carrying bearing base and a thrust bearing base; the function division is clear; the load distribution is reasonable; the high working rigidity of a crankshaft and the working intensity of a bearing bush are ensured; and finally, the working intensity of the whole machine is improved.
Description
Technical field
The invention belongs to parts of single cylinder engine, be specifically related to a kind of integrated form single cylinder engine stand structure.
Background technique
Single cylinder engine is the basic platform that carries out motor complete machine performance study, can provide power performance, economic performance and parameter matching that experimental basis is provided for following multi-cylinder research through this platform, is the test guarantee of motor early-stage Study.Bearing the effect of the complete machine skeleton and the system intergration jointly as single cylinder engine support and single cylinder engine body, mainly containing that complete machine support and sealing, balance sysmte and driving mechanism make up with integrated, the combination of main bearing hole engineering, lubricant oil is collected with reflux, bear effect such as the multiple intensive work load of complete machine.
The single cylinder engine support generally is the board-like cast iron structure of modularization, by constituting with connecting body two-part at the bottom of the seat.The seat end, possess the oil sump function, collects lubricant oil, pressurized crankcase etc.Support and connecting body are combined to form complete I and II balance axis hole, are used for the balance support axle; Trunnion shaft is supported for two grades, exists with ... support front and back dividing plate; Balance shaft bearing then is the rolling bearing splash lubrication.Offers semicircle main bearing hole in the middle of the connecting body, during assembling and on put bearing cap and be combined to form main bearing hole; Whole support utilizes bolt to connect combination, and fixes with anchoring bolt, guarantees the complete machine working stability.It is simple that this type single cylinder engine stand structure has a design of part, and casting is good with the assembly technology performance; Internal transverse space is big, and axial dimension is less, and stiffness is big; Connecting bolt arranges that difficulty is little and easy to connect; Advantages such as the rolling bearing lubricating requirement is low, power loss is little.Yet simple structural design certainly exists many deficiencys, and is bigger than normal like the horizontal linear foot of stand structure cun ratio, the complete machine poor work stability; Trunnion shaft supported hole rigidity is low, and two support arrangement, and the equilibrium block moving radius is big, and centrifugal force is higher, and support dividing plate impulsive load is bigger than normal; The support relative closure, the institutional adjustment ability; The trunnion shaft balanced capacity is single, and special-purpose degree is high, and recycling rate of waterused is low; The on-the-spot mechanism of overall test status checkout with change the process complicacy, deficiency such as the complete machine maintainability is poor, and the cycle is long.
Summary of the invention
Technical problem to be solved by this invention provides a kind of integrated form single cylinder engine stand structure, and the integrated degree of the present invention is high, and the asperratio example is moderate, and whole stiffness is big, and stability is high, and convenient disassembly effectively reduces research cost.
Technological scheme of the present invention: a kind of integrated form single cylinder engine stand structure, it comprises lower crankcase 1, left balance cylinder 2; Right balance cylinder 3 and oil sump 4; The left and right sides of lower crankcase 1 is symmetrically arranged with left balance cylinder 2, right balance cylinder 3, and oil sump 4 is arranged on the bottom of left balance cylinder 2, right balance cylinder 3.
The left and right sides sidewall of described lower crankcase 1 is respectively arranged with connecting bolt hole 12, and the U-shaped connecting rod is disassembled on the right side wall that window 13 is arranged on lower crankcase 1, and lower crankcase 1 vertically is disposed with the first bent axle supporting clapboard, 5, the second bent axle supporting clapboards 5; Three-crankshaft supporting clapboard 5, the first bent axle supporting clapboards 5, the second bent axle supporting clapboards 5; Be respectively arranged with first horizontal gusset 10, the second horizontal gusset 10, the three horizontal gussets 10 on the three-crankshaft supporting clapboard 5; Be respectively arranged with the first main bearing seat hole 6 on the first bent axle supporting clapboard, 5, the second bent axle supporting clapboards, 5, the three-crankshaft supporting clapboards 5; 6, the first main bearing seat holes 6,6, the three main bearing seat holes, the second main bearing seat hole; The below in 6, the three main bearing seat holes 6, the second main bearing seat hole is provided with the first bearing shell positioning pin hole, 7, the second bearing shell positioning pin holes 7; The 3rd bearing shell positioning pin hole 7, the first bent axle supporting clapboards 5, the second bent axle supporting clapboards 5; Be respectively arranged with 8, the three Main bearing bolt holes 8,8, the second Main bearing bolt holes, the first Main bearing bolt hole on the three-crankshaft supporting clapboard 5; One end of half-cylindrical vertical gusset 9 is connected with the first horizontal gusset 10, and the other end is connected with the first Main bearing bolt hole 8, and the bottom of the second bent axle supporting clapboard 5 is provided with second square through hole 11.
Described left balance cylinder 2, right balance cylinder 3 vertically is disposed with first dividing plate 14, second partition 14, the three dividing plates 14; One-level equalizer bearing hole 15 is arranged on first dividing plate 14, the top of second partition 14, the three dividing plates 14; Secondary equalizer bearing hole 16 is arranged on first dividing plate 14, the bottom of second partition 14, the three dividing plates 14; Trunnion shaft main oil gallery 17 is separately positioned on left balance cylinder 2, in the right balance cylinder 3, and left balance cylinder 2; The madial wall of right balance cylinder 3 is respectively arranged with lubricant oil backflow window 18, left balance cylinder 2, and the outer side wall of right balance cylinder 3 is respectively arranged with trunnion shaft assembling and load adjustment window 19.
Described oil sump 4 is by base plate 20, balance cylinder's sidewall 21, and preceding dividing plate 22 is formed with rear bulkhead 22, and the rear end of oil sump 4 is provided with return port 23, and the two ends in base plate 20 outsides are respectively arranged with U-shaped anchoring bolt binding groove 24.
The present invention compared with prior art has following beneficial effect: 1, integrated form single cylinder engine stand structure gathers multi-function in integral whole, and integrated degree is high; Horizontal three chambers arrange that vertical three dividing plates are arranged, and the asperratio example is moderate, and whole stiffness is big, and stability is high.2, third gear crankshaft bearing seat is divided into reach bearing and thrust shaft block, and function allocation is clear and definite, and load distribution is reasonable, has guaranteed that bent axle work rigidity is big, and the bearing shell working strength is low, has finally improved the complete machine working strength.3, the I and II trunnion shaft is symmetrically arranged, and third gear supports, sliding bearing, pressure lubrication; The trunnion shaft support stiffness is big, and bearing strength is high; The equilibrium block moving radius is little, compact structure, and the trunnion shaft functional reliability is high; 4, support is offered crankcase window and balance chamber window, and it is convenient that connecting rod is installed with status checkout, and equilibrium block load adjustment flexibly; Support complete machine adaptability is strong, and seriation type utilization ratio is high, can effectively reduce research cost.5, the fundamental function of oil sump that support is integrated makes the flow of lubricant defaecation prompt through base plate inclined design and chamber opening layout, airflow smooth, and exhaust gas pressure is low, helps the complete machine performance to guarantee.6, trunnion shaft main oil gallery symmetric arrangement, transverse distribution, oil circuit is clear, and pressure and flow guarantee, have ensured balance sysmte and driving mechanism good working environment well.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is a left view of the present invention,
Fig. 3 is a plan view of the present invention.
Concrete mode of execution
A kind of integrated form single cylinder engine stand structure, it comprises lower crankcase 1, left balance cylinder 2; Right balance cylinder 3 and oil sump 4; The left and right sides of lower crankcase 1 is symmetrically arranged with left balance cylinder 2, right balance cylinder 3, and oil sump 4 is arranged on the bottom of left balance cylinder 2, right balance cylinder 3.
The left and right sides sidewall of described lower crankcase 1 is respectively arranged with connecting bolt hole 12, and the U-shaped connecting rod is disassembled on the right side wall that window 13 is arranged on lower crankcase 1, and lower crankcase 1 vertically is disposed with the first bent axle supporting clapboard, 5, the second bent axle supporting clapboards 5; Be respectively arranged with the first horizontal gusset 10 on three-crankshaft supporting clapboard 5, the first bent axle supporting clapboards 5, the second bent axle supporting clapboards 5, the three-crankshaft supporting clapboards 5; Second horizontal gusset 10, the three horizontal gusset 10, the first bent axle supporting clapboards 5; Be respectively arranged with 6, the second main bearing seat holes 6, the first main bearing seat hole on the second bent axle supporting clapboard, 5, the three-crankshaft supporting clapboards 5; 6, the second main bearing seat holes 6,6, the first main bearing seat holes, the 3rd main bearing seat hole; The below in the 3rd main bearing seat hole 6 is provided with the first bearing shell positioning pin hole, 7, the second bearing shell positioning pin holes, 7, the three bearing shell positioning pin holes 7; Be respectively arranged with the first Main bearing bolt hole 8 on the first bent axle supporting clapboard, 5, the second bent axle supporting clapboards, 5, the three-crankshaft supporting clapboards 5; 8, the three Main bearing bolt holes 8, the second Main bearing bolt hole, an end of half-cylindrical vertical gusset 9 is connected with the first horizontal gusset 10; The other end is connected with the first Main bearing bolt hole 8, the first bent axle supporting clapboard, 5, the second bent axle supporting clapboards 5; The bottom of three-crankshaft supporting clapboard 5 is provided with first square through hole, 11, the second square through holes 11, third party's shape through hole 11.
Described left balance cylinder 2, right balance cylinder 3 vertically is disposed with first dividing plate 14, second partition 14, the three dividing plates 14; One-level equalizer bearing hole 15 is arranged on first dividing plate 14, the top of second partition 14, the three dividing plates 14; Secondary equalizer bearing hole 16 is arranged on first dividing plate 14, the bottom of second partition 14, the three dividing plates 14; Trunnion shaft main oil gallery 17 is separately positioned on left balance cylinder 2, in the right balance cylinder 3, and left balance cylinder 2; The madial wall of right balance cylinder 3 is respectively arranged with lubricant oil backflow window 18, left balance cylinder 2, and the outer side wall of right balance cylinder 3 is respectively arranged with trunnion shaft assembling and load adjustment window 19.
Described oil sump 4 is by base plate 20, balance cylinder's sidewall 21, and preceding dividing plate 22 is formed with rear bulkhead 22, and the rear end of oil sump 4 is provided with return port 23, and the two ends in base plate 20 outsides are respectively arranged with U-shaped anchoring bolt binding groove 24.
Claims (4)
1. integrated form single cylinder engine stand structure; It comprises lower crankcase (1), left balance cylinder (2), right balance cylinder (3) and oil sump (4); The left and right sides that it is characterized in that lower crankcase (1) is symmetrically arranged with left balance cylinder (2); Right balance cylinder (3), oil sump (4) is arranged on left balance cylinder (2), the bottom of right balance cylinder (3).
2. a kind of integrated form single cylinder engine stand structure according to claim 1 is characterized in that the left and right sides sidewall of lower crankcase (1) is respectively arranged with connecting bolt hole (12), and the U-shaped connecting rod is disassembled window (13) and is arranged on the right side wall of lower crankcase (1); Lower crankcase (1) vertically is disposed with the first bent axle supporting clapboard (5), the second bent axle supporting clapboard (5), three-crankshaft supporting clapboard (5); The first bent axle supporting clapboard (5), the second bent axle supporting clapboard (5) is provided with the first horizontal gusset (10) between the three-crankshaft supporting clapboard (5); The second horizontal gusset (10), the first bent axle supporting clapboard (5), the second bent axle supporting clapboard (5); Be respectively arranged with the first main bearing seat hole (6) on the three-crankshaft supporting clapboard (5), the second main bearing seat hole (6), the 3rd main bearing seat hole (6); The first main bearing seat hole (6), the second main bearing seat hole (6), the below in the 3rd main bearing seat hole (6) are provided with the first bearing shell positioning pin hole (7); The second bearing shell positioning pin hole (7), the 3rd bearing shell positioning pin hole (7), the first bent axle supporting clapboard (5); The second bent axle supporting clapboard (5) is respectively arranged with the first Main bearing bolt hole (8) on the three-crankshaft supporting clapboard (5), the second Main bearing bolt hole (8); The 3rd Main bearing bolt hole (8), an end of half-cylindrical vertical gusset (9) is connected with the first horizontal gusset (10), and the other end is connected with the first Main bearing bolt hole (8); The first bent axle supporting clapboard (5), the second bent axle supporting clapboard (5), the bottom of three-crankshaft supporting clapboard (5) is provided with first square through hole (11); Second square through hole (11), third party's shape through hole (11).
3. a kind of integrated form single cylinder engine stand structure according to claim 1 is characterized in that left balance cylinder (2), and right balance cylinder (3) vertically are disposed with first dividing plate (14), second partition (14), and the 3rd dividing plate (14),
One-level equalizer bearing hole (15) is arranged on first dividing plate (14), second partition (14), the top of the 3rd dividing plate (14); Secondary equalizer bearing hole (16) is arranged on first dividing plate (14), second partition (14), the bottom of the 3rd dividing plate (14); Trunnion shaft main oil gallery (17) is separately positioned on left balance cylinder (2); In the right balance cylinder (3), left balance cylinder (2), the madial wall of right balance cylinder (3) is respectively arranged with lubricant oil backflow window (18); Balance cylinder (2), a left side, the outer side wall of right balance cylinder (3) is respectively arranged with trunnion shaft assembling and load adjustment window (19).
4. a kind of integrated form single cylinder engine stand structure according to claim 1; It is characterized in that described oil sump (4) is by base plate (20); Balance cylinder's sidewall (21); Preceding dividing plate (22) and rear bulkhead (22) are formed, and the rear end of oil sump (4) is provided with return port (23), and the two ends in base plate (20) outside are respectively arranged with U-shaped anchoring bolt binding groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138344XA CN102644522A (en) | 2012-05-08 | 2012-05-08 | Integrated single-cylinder engine base structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138344XA CN102644522A (en) | 2012-05-08 | 2012-05-08 | Integrated single-cylinder engine base structure |
Publications (1)
| Publication Number | Publication Date |
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| CN102644522A true CN102644522A (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138344XA Pending CN102644522A (en) | 2012-05-08 | 2012-05-08 | Integrated single-cylinder engine base structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032129A (en) * | 2013-01-17 | 2013-04-10 | 中国兵器工业集团第七0研究所 | Concealed type single-cylinder engine body lubrication circuit structure |
| CN105927412A (en) * | 2016-05-23 | 2016-09-07 | 清华大学 | Lower cylinder assembly of engine |
| WO2020134228A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine cylinder block and assembling method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696267A (en) * | 1984-10-27 | 1987-09-29 | Mazda Motor Corporation | Cylinder block structure for internal combustion engine |
| CN2646401Y (en) * | 2003-09-26 | 2004-10-06 | 牟治兴 | Single cylinder diesel engine body |
| US7370624B2 (en) * | 2003-12-02 | 2008-05-13 | Magna Powertrain Ag & Co. Kg | Piston engine with integrated balance shafts |
| CN201125799Y (en) * | 2007-12-10 | 2008-10-01 | 广西玉柴机器股份有限公司 | Crankcase |
-
2012
- 2012-05-08 CN CN201210138344XA patent/CN102644522A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696267A (en) * | 1984-10-27 | 1987-09-29 | Mazda Motor Corporation | Cylinder block structure for internal combustion engine |
| CN2646401Y (en) * | 2003-09-26 | 2004-10-06 | 牟治兴 | Single cylinder diesel engine body |
| US7370624B2 (en) * | 2003-12-02 | 2008-05-13 | Magna Powertrain Ag & Co. Kg | Piston engine with integrated balance shafts |
| CN201125799Y (en) * | 2007-12-10 | 2008-10-01 | 广西玉柴机器股份有限公司 | Crankcase |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032129A (en) * | 2013-01-17 | 2013-04-10 | 中国兵器工业集团第七0研究所 | Concealed type single-cylinder engine body lubrication circuit structure |
| CN105927412A (en) * | 2016-05-23 | 2016-09-07 | 清华大学 | Lower cylinder assembly of engine |
| CN105927412B (en) * | 2016-05-23 | 2017-10-03 | 清华大学 | A kind of lower cylinder body assembly of engine |
| WO2020134228A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | Engine cylinder block and assembling method therefor |
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Application publication date: 20120822 |