CN111120135A - Reinforced diesel engine body with closed gantry - Google Patents

Reinforced diesel engine body with closed gantry Download PDF

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Publication number
CN111120135A
CN111120135A CN201911379170.4A CN201911379170A CN111120135A CN 111120135 A CN111120135 A CN 111120135A CN 201911379170 A CN201911379170 A CN 201911379170A CN 111120135 A CN111120135 A CN 111120135A
Authority
CN
China
Prior art keywords
diesel engine
plate
engine body
gantry
closed
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
Application number
CN201911379170.4A
Other languages
Chinese (zh)
Inventor
张丽军
陈旭东
郭德芹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Yunnei Power Co Ltd
Original Assignee
Hefei Yunnei Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Yunnei Power Co Ltd filed Critical Hefei Yunnei Power Co Ltd
Priority to CN201911379170.4A priority Critical patent/CN111120135A/en
Publication of CN111120135A publication Critical patent/CN111120135A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
    • 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
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/20—Other cylinders characterised by constructional features providing for lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0021—Construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a gantry-closed reinforced diesel engine body which comprises a diesel engine body with a main bearing cover and an oil pump, wherein the diesel engine body is of a gantry-closed structure, an engine body reinforcing plate is fixedly assembled at the bottom end of the diesel engine body, an oil suction disc is fixed on the lower side of the engine body reinforcing plate through a support, the engine body reinforcing plate comprises a plate body, a plurality of crank cavities are arranged in the plate body side by side, a plurality of fixing holes are formed in the plate body and positioned at the periphery of the crank cavities, an oil channel hole is formed in one corner end of the plate body, and the oil suction end of the oil suction disc is positioned right below the oil. According to the invention, the gantry of the diesel engine body is changed from an open type to a closed gantry type by assembling the body reinforcing plate, the main stress line of the diesel engine body is closed, the rigidity is enhanced, the stress of the skirt part and the main bearing cover of the diesel engine body is dispersed, and the skirt part and the main bearing cover of the diesel engine body are protected.

Description

Reinforced diesel engine body with closed gantry
Technical Field
The invention relates to the technical field of diesel engines, in particular to a reinforced diesel engine body with a closed gantry.
Background
Diesel engines are widely used as power sources for various ships, power generators, large construction machines, various automobiles, and the like, but it is known that PM contained in exhaust gas discharged from the diesel engines not only causes air pollution, but also is a substance very harmful to human bodies, and therefore, it is very important to purify the exhaust gas. Therefore, many methods for improving the combustion mode of a diesel engine, using various filters, or performing electrical treatment using corona discharge, etc., have been proposed, and some of them are put to practical use.
Along with the upgrading of diesel engine emission, the power-per-liter torque of the diesel engine is continuously improved, the detonation pressure of the engine is increased, the common gantry is open, when the engine continuously operates under the extreme strong load, the skirt part of the engine body deforms under stress, the main bearing cover deforms under stress, the abrasion of the main bearing bush is increased, and therefore the engine is large in vibration and noise, and the service life of the engine is shortened.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a reinforced diesel engine body with a closed gantry.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a closed strenghthened type diesel engine organism in longmen, is including the diesel engine organism body of taking main bearing cap, oil pump, diesel engine organism body is longmen closed structure, and it assembles organism reinforcing plate in the bottom mounting, the downside of organism reinforcing plate is fixed with the food sucking disc through the support, the organism reinforcing plate package rubbing board body, a plurality of crank chamber has been seted up side by side in the plate body, a plurality of fixed orificess has been seted up to the plate body position in the periphery in crank chamber, is located an angle end and has seted up the oil duct hole, the oil absorption end of food sucking disc is located the oil duct hole under.
Further, in the reinforced diesel engine body with the closed gantry, the plate body is of a three-layer structure and is composed of a reinforcing layer plate, an upper layer plate and a lower layer plate, and each layer plate is provided with a crank cavity, a fixing hole and an oil passage hole which are matched in position.
Furthermore, in the reinforced diesel engine body with the closed gantry, the thickness of each of the reinforced laminate, the upper laminate and the lower laminate is 0.2-0.6 cm.
Furthermore, in the reinforced diesel engine body with the closed gantry, grid-shaped reinforcing convex ribs are arranged on two sides of the reinforcing layer plate, and the reinforcing convex ribs are disconnected at the positions of the crank cavity, the fixing hole and the oil passage hole.
Furthermore, in the reinforced diesel engine body with the closed gantry, the inner sides of the upper plate and the lower plate are respectively provided with a clamping groove matched with the reinforcing convex rib.
Further, in the reinforced diesel engine body with the closed gantry, the reinforcing laminate is made of Q460 steel.
Further, in the reinforced diesel engine body with the closed gantry, the upper plate is made of a heat-insulating glass fiber material.
Further, in the above gantry closed reinforced diesel engine block, the lower plate is made of Q235NH steel.
The invention has the beneficial effects that:
1. the engine body reinforcing plate is provided with a crank cavity and an oil channel hole, the crank cavity and the oil channel hole are not interfered with each other with the engine body of the diesel engine, a gantry of the engine body is changed into a closed gantry form from an open type by assembling the engine body reinforcing plate, a main stress line of the engine body of the diesel engine is closed, the rigidity is enhanced, the stress of a skirt part and a main bearing cover of the engine body of the diesel engine is dispersed, and the skirt part and the main bearing cover of the engine body of the; the gantry of the diesel engine body 1 improves the integral rigidity by assembling the body reinforcing plate, effectively controls the deformation of the skirt part and the main bearing cover of the diesel engine body under the action of alternating stress within the range of design indexes, improves the reliability of the whole machine, prolongs the service life, and reduces noise, vibration and emission.
2. The structure of the reinforcing plate of the machine body is reasonable in design, a three-layer structure design is adopted, and the reinforcing plate has high strength and provides main support; the upper layer plate is used for heat insulation, and the lower layer plate is used for corrosion prevention; the service life of the whole body reinforcing plate is long, and the three-layer structure design ensures that the body reinforcing plate is not easy to expand with heat and contract with cold.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural view of a reinforcing plate of the machine body according to the present invention;
FIG. 3 is a schematic view of the reinforcing plate of the machine body according to the present invention;
FIG. 4 is a schematic view of a reinforcement ply according to the present invention;
in the drawings, the parts are numbered as follows:
1-a diesel engine body, 2-a main bearing cap, 3-an oil pump, 4-an oil suction disc, 5-an engine body reinforcing plate, 501-a plate body, 502-a crank cavity, 503-a fixing hole, 504-an oil channel hole, 51-a reinforcing layer plate, 52-an upper layer plate and 53-a lower layer plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is a reinforced diesel engine body with a closed gantry, including a diesel engine body 1 with a main bearing cap 2 and an oil pump 3, where the diesel engine body 1 is a closed gantry structure, and an engine body reinforcing plate 5 is fixedly mounted at a bottom end of the diesel engine body 1, and an oil suction disc 4 is fixed on a lower side of the engine body reinforcing plate 5 through a bracket. The machine body reinforcing plate 5 comprises a plate body 501, a plurality of crank cavities 502 are arranged in the plate body 501 side by side, a plurality of fixing holes 503 are formed in the periphery of the plate body 501, which is located in the crank cavities 502, an oil passage hole 504 is formed in one corner end, and an oil suction end of the oil suction disc 4 is located right below the oil passage hole 504. A part of the fixing hole 503 of the body reinforcing plate 5 is used for fixing with the diesel engine body 1, and the other part is used for mounting a bracket.
In this embodiment, the plate body 501 is a three-layer structure, and is composed of a reinforcing layer plate 51, an upper layer plate 52, and a lower layer plate 53, and each layer plate is provided with a crank cavity, a fixing hole, and an oil passage hole, which are matched in position. The reinforcing laminate 51, the upper laminate 52 and the lower laminate 53 each have a thickness of 0.2 to 0.6 cm. The two sides of the reinforced layer plate 51 are provided with grid-shaped reinforced convex ribs 51, the reinforced convex ribs are positioned at the positions of the crank cavity, the fixing hole and the oil passage hole and are disconnected, and the respective inner sides of the upper layer plate 52 and the lower layer plate 53 are provided with clamping grooves matched with the reinforced convex ribs.
In this embodiment, the reinforcement ply 51 is made of Q460 steel, the upper ply 52 is made of an insulating fiberglass material, and the lower ply 53 is made of Q235NH steel.
One specific application of this embodiment is: the engine body reinforcing plate 5 is provided with a crank cavity and an oil channel hole, the crank cavity and the oil channel hole are not interfered with each other with the engine body 1 of the diesel engine, a gantry of the engine body 1 is changed from an open type to a closed gantry type by assembling the engine body reinforcing plate 5, a main stress line of the engine body 1 is closed, the rigidity is enhanced, stress on a skirt part of the engine body 1 and a main bearing cover 2 is dispersed, and the skirt part of the engine body 1 and the main bearing cover 2 are protected; the gantry of the diesel engine body 1 improves the overall rigidity by assembling the engine body reinforcing plate 5, effectively controls the deformation of the skirt part of the diesel engine body 1 and the main bearing cap 2 under the action of alternating stress within the range of design indexes, improves the reliability of the whole machine, prolongs the service life, and reduces noise, vibration and emission.
The structure design of the body reinforcing plate 5 is reasonable, a three-layer structure design is adopted, wherein the reinforcing layer plate 51 has high strength and provides main support; the upper plate 52 is used for heat insulation, and the lower plate 53 is used for corrosion prevention; the service life of the whole body of the machine body reinforcing plate 5 is long, and the three-layer structure design ensures that the phenomenon of expansion with heat and contraction with cold is not easy to occur.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a closed strenghthened type diesel engine organism in longmen, includes the diesel engine organism body of taking main bearing cap, oil pump, its characterized in that: the diesel engine body is of a gantry closed structure, an engine body reinforcing plate is fixedly assembled at the bottom end of the diesel engine body, an oil suction disc is fixed to the lower side of the engine body reinforcing plate through a support, the engine body reinforcing plate comprises a plate body, a plurality of crank cavities are formed in the plate body side by side, a plurality of fixing holes are formed in the periphery of the plate body located in the crank cavities, an oil channel hole is formed in one corner end of the plate body, and an oil suction end of the oil suction disc is located under the oil channel hole.
2. The closed gantry reinforced diesel engine block of claim 1, wherein: the plate body is of a three-layer structure and is composed of a reinforcing layer plate, an upper layer plate and a lower layer plate, and a crank cavity, a fixing hole and an oil passage hole which are matched in position are formed in each layer plate.
3. The closed gantry reinforced diesel engine block of claim 2, wherein: the thickness of each of the reinforcing laminate, the upper laminate and the lower laminate is 0.2-0.6 cm.
4. The closed gantry reinforced diesel engine block of claim 2, wherein: the two sides of the reinforcing laminate are provided with grid-shaped reinforcing convex ribs, and the reinforcing convex ribs are disconnected at the positions of the crank cavity, the fixing hole and the oil passage hole.
5. The closed gantry reinforced diesel engine block of claim 4, wherein: and the inner sides of the upper layer plate and the lower layer plate are respectively provided with a clamping groove matched with the reinforcing convex rib.
6. The closed gantry reinforced diesel engine block of claim 2, wherein: the reinforcement plies are made of Q460 steel.
7. The closed gantry reinforced diesel engine block of claim 2, wherein: the upper deck is made of a heat insulating fiberglass material.
8. The closed gantry reinforced diesel engine block of claim 2, wherein: the lower plate is made of Q235NH steel.
CN201911379170.4A 2019-12-27 2019-12-27 Reinforced diesel engine body with closed gantry Pending CN111120135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911379170.4A CN111120135A (en) 2019-12-27 2019-12-27 Reinforced diesel engine body with closed gantry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911379170.4A CN111120135A (en) 2019-12-27 2019-12-27 Reinforced diesel engine body with closed gantry

Publications (1)

Publication Number Publication Date
CN111120135A true CN111120135A (en) 2020-05-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911379170.4A Pending CN111120135A (en) 2019-12-27 2019-12-27 Reinforced diesel engine body with closed gantry

Country Status (1)

Country Link
CN (1) CN111120135A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831978A (en) * 1986-09-10 1989-05-23 Mazda Motor Corporation Internal combustion engine having reinforced structure
US4911118A (en) * 1988-04-05 1990-03-27 Mazda Motor Corporation Cylinder block reinforcement construction for engine
US20050166887A1 (en) * 2004-01-30 2005-08-04 Demetrios Markou Reinforcement plate for a reciprocating engine
US20080098978A1 (en) * 2006-10-31 2008-05-01 Oelerich Timothy D Internal support structure for an internal combustion engine
CN201851221U (en) * 2010-11-05 2011-06-01 东风朝阳柴油机有限责任公司 Device for improving strength of engine body
US20120031366A1 (en) * 2010-08-05 2012-02-09 Hyundai Motor Company Rollerized cranktrain bedplate, reciprocating engine embodying same and engine further including rollerized cranktrain
CN202417725U (en) * 2012-02-01 2012-09-05 潍柴动力股份有限公司 Reinforcing plate of diesel engine body
CN106246401A (en) * 2016-08-25 2016-12-21 合肥江淮朝柴动力有限公司 A kind of LD-diesel housing construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831978A (en) * 1986-09-10 1989-05-23 Mazda Motor Corporation Internal combustion engine having reinforced structure
US4911118A (en) * 1988-04-05 1990-03-27 Mazda Motor Corporation Cylinder block reinforcement construction for engine
US20050166887A1 (en) * 2004-01-30 2005-08-04 Demetrios Markou Reinforcement plate for a reciprocating engine
US20080098978A1 (en) * 2006-10-31 2008-05-01 Oelerich Timothy D Internal support structure for an internal combustion engine
US20120031366A1 (en) * 2010-08-05 2012-02-09 Hyundai Motor Company Rollerized cranktrain bedplate, reciprocating engine embodying same and engine further including rollerized cranktrain
CN201851221U (en) * 2010-11-05 2011-06-01 东风朝阳柴油机有限责任公司 Device for improving strength of engine body
CN202417725U (en) * 2012-02-01 2012-09-05 潍柴动力股份有限公司 Reinforcing plate of diesel engine body
CN106246401A (en) * 2016-08-25 2016-12-21 合肥江淮朝柴动力有限公司 A kind of LD-diesel housing construction

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Application publication date: 20200508