CN117449976A - Marine engine sealing type piston cylinder assembly and processing method thereof - Google Patents

Marine engine sealing type piston cylinder assembly and processing method thereof Download PDF

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Publication number
CN117449976A
CN117449976A CN202311306937.7A CN202311306937A CN117449976A CN 117449976 A CN117449976 A CN 117449976A CN 202311306937 A CN202311306937 A CN 202311306937A CN 117449976 A CN117449976 A CN 117449976A
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CN
China
Prior art keywords
sealing
cylinder body
piston
piston cylinder
sealing cylinder
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
CN202311306937.7A
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Chinese (zh)
Inventor
何强
彭春华
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.)
Jiangsu Yonghang Rail Transit Technology Co ltd
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Jiangsu Yonghang Rail Transit Technology 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 Jiangsu Yonghang Rail Transit Technology Co ltd filed Critical Jiangsu Yonghang Rail Transit Technology Co ltd
Priority to CN202311306937.7A priority Critical patent/CN117449976A/en
Publication of CN117449976A publication Critical patent/CN117449976A/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
    • F02F11/00—Arrangements of sealings in combustion engines 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

The invention relates to the technical field of engine pistons, in particular to a sealing type piston cylinder assembly of a marine engine and a processing method thereof. According to the invention, the sealing structure is arranged, so that the tightness between the piston cylinder body and the piston connecting rod can be improved, the sealing sleeve formed by combining and connecting the first sealing cylinder body and the second sealing cylinder body is arranged between the piston cylinder body and the piston connecting rod, and the sealing treatment can be carried out between the first sealing cylinder body and the second sealing cylinder body due to the plurality of rubber sealing rings sleeved on the second sealing cylinder body.

Description

Marine engine sealing type piston cylinder assembly and processing method thereof
Technical Field
The invention relates to a marine engine sealing type piston cylinder assembly, in particular to a marine engine sealing type piston cylinder assembly and a processing method thereof, and belongs to the technical field of engine pistons.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, an internal combustion engine (reciprocating piston engine), an external combustion engine (stirling engine, steam engine, etc.), a jet engine, an electric motor, etc., as an internal combustion engine generally converts chemical energy into mechanical energy, and is applicable to both power generation devices and to the whole machine including power devices, which were originally born in the united kingdom, so that the concept of an engine also originates from english, the meaning of which means that "mechanical device that generates power".
In marine engines, the engine piston cylinder is one of important structural parts of diesel ships, the engine piston cylinder is long in length and high in height, and the combined structural form is that a single cylinder body is connected one by one, so that the requirement on the connection tightness of each cylinder is high, but the conventional piston cylinder and piston are sealed by only relying on the combination of an oil ring and a gas ring which are arranged to serve as a sealing component, so that the sealing effect is poor, and the use requirement on the connection tightness of the marine engine piston cylinder is difficult to meet.
Accordingly, improvements are needed to address the above-described issues.
Disclosure of Invention
The invention aims to provide a sealing type piston cylinder assembly of a marine engine and a processing method thereof, and the sealing performance between a piston cylinder body and a piston connecting rod can be improved through the arrangement of a sealing structure.
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the utility model provides a marine engine sealed piston cylinder assembly and processing method thereof, includes piston cylinder body and sets up the piston connecting rod in its inside, install a plurality of sealing ring assemblies on the piston connecting rod, be provided with seal structure on the piston cylinder body, seal structure is including installing the inside first sealed barrel of piston cylinder body, slidable mounting has the second sealed barrel on the first sealed barrel, the second sealed barrel with the piston connecting rod is connected, the cover is equipped with a plurality of rubber seal on the second sealed barrel.
Preferably, a first flange fixing plate is arranged at the top of the first sealing cylinder body, a plurality of first bolt fasteners are arranged on the first flange fixing plate, and a plurality of thread grooves matched with the first bolt fasteners are formed in the top of the piston cylinder body.
Preferably, the top of piston connecting rod is provided with the second flange fixed disk, be provided with a plurality of second bolt fastener on the second flange fixed disk, a plurality of with second bolt fastener matched with thread groove has been seted up to the bottom of second sealed barrel.
Preferably, the first bolt fastener and the second bolt fastener are made of stainless steel, and the first bolt fastener and the second bolt fastener are hexagonal bolts.
Preferably, the second sealing cylinder body is provided with a mounting groove, and a plurality of spacing rings are fixedly arranged in the mounting groove.
Preferably, the spacing between the plurality of spacing rings is identical to the thickness of the rubber sealing ring.
Preferably, the length of the first sealing cylinder is longer than that of the second sealing cylinder.
Preferably, the diameter of the rubber sealing ring is matched with the outer diameter of the second sealing cylinder, and the outer diameter of the second sealing cylinder is matched with the inner diameter of the first sealing cylinder.
Preferably, the first flange fixing plate is fixedly connected with the first sealing cylinder body by welding, and the piston connecting rod is fixedly connected with the second flange fixing plate by welding.
Preferably, a processing method of a sealing type piston cylinder assembly of a marine engine comprises the following steps of;
step one: firstly sleeving a plurality of rubber sealing rings in a mounting groove in a second sealing cylinder, and then sleeving a first sealing cylinder on the second sealing cylinder to wrap the first sealing cylinder;
step two: the first flange fixing plate is fixedly connected with the top of the first sealing cylinder body in a welding mode, then the first sealing cylinder body and the second sealing cylinder body are inserted into the piston cylinder body to enable the first flange fixing plate to be in contact with the top of the piston cylinder body, and finally a plurality of first bolt fasteners are connected with thread grooves formed in the top of the piston cylinder body to fix the first flange fixing plate on the top of the piston cylinder body;
step three: and the top of the piston connecting rod is welded and connected with a second flange fixing plate in a welding mode, and then a plurality of second bolt fasteners are used for fixedly connecting the second flange fixing plate to the bottom of the second sealing cylinder body, so that the assembly of the piston cylinder body, the first sealing cylinder body, the second sealing cylinder body and the piston connecting rod is integrated, and the processing is completed.
The invention has at least the following beneficial effects:
through seal structure's setting, can improve the leakproofness between piston cylinder body and the piston connecting rod, be provided with the seal cover that first sealed barrel and the combination of second sealed barrel become between piston cylinder body and the piston connecting rod, because the second sealed barrel cover is equipped with a plurality of rubber seal, can seal between first sealed barrel and the second sealed barrel more to on original sealing ring subassembly sealed basis, thereby promoted the sealed effect between piston cylinder body and the piston connecting rod, in order to reach the user demand that satisfies marine engine.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of a first seal cylinder and a second seal cylinder according to the present invention;
FIG. 3 is a schematic view of a rubber seal ring according to the present invention;
FIG. 4 is a schematic view of a first bolt fastener of the present invention;
FIG. 5 is a schematic view of a second bolt fastener of the present invention;
fig. 6 is a schematic structural view of a first flange fixing plate and a second flange fixing plate according to the present invention.
In the figure, a piston cylinder body is shown as 1; 2-piston connecting rod; 3-a seal ring assembly; 4-sealing structure; 5-a first sealing cylinder; 6-a second sealing cylinder; 7-a rubber sealing ring; 8-a first flange fixing plate; 9-a first bolt fastener; 10-a second flange fixing plate; 11-a second bolt fastener; 12-mounting grooves; 13-spacer rings.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
As shown in fig. 1 to 6, this embodiment provides a sealing type piston cylinder assembly of a marine engine and a processing method thereof.
The utility model provides a marine engine sealed piston cylinder subassembly and processing method thereof, including piston cylinder body 1 and set up the piston connecting rod 2 in its inside, install a plurality of sealing ring subassemblies 3 on the piston connecting rod 2, be provided with seal structure 4 on the piston cylinder body 1, seal structure 4 is including installing the first seal barrel 5 in piston cylinder body 1 inside, slidable mounting has second seal barrel 6 on the first seal barrel 5, second seal barrel 6 is connected with piston connecting rod 2, the cover is equipped with a plurality of rubber seal circle 7 on the second seal barrel 6, can improve the leakproofness between piston cylinder body 1 and the piston connecting rod 2 through seal structure 4's setting, be provided with the seal cover that first seal barrel 5 and second seal barrel 6 make up to be connected between piston cylinder body 1 and piston connecting rod 2, because the cover of second seal barrel 6 is equipped with a plurality of rubber seal circle 7, can seal between a plurality of first seal barrels 5 and the second seal barrel 6, and on the basis of original sealing ring subassemblies 3 seal, thereby promote the sealed effect between piston cylinder body 1 and the piston connecting rod 2, in order to reach marine engine's use demand.
In this embodiment, as shown in fig. 1, 2, 3, 4 and 6, the top of the first sealing cylinder 5 is provided with a first flange fixing plate 8, a plurality of first bolt fasteners 9 are provided on the first flange fixing plate 8, a plurality of screw grooves matched with the first bolt fasteners 9 are provided on the top of the piston cylinder body 1, a second flange fixing plate 10 is provided on the top of the piston connecting rod 2, a plurality of second bolt fasteners 11 are provided on the second flange fixing plate 10, a plurality of screw grooves matched with the second bolt fasteners 11 are provided on the bottom of the second sealing cylinder 6, the first bolt fasteners 9 and the second bolt fasteners 11 are made of stainless steel, and the first bolt fasteners 9 and the second bolt fasteners 11 are hexagonal bolts. Through the setting of first flange ring flange 8, first bolt fastener 9, second flange ring flange 10 and second bolt fastener 11, under the connected action of a plurality of first bolt fasteners 9 and second bolt fasteners 11 and thread groove, can make the more firm that first sealed barrel 5 and second sealed barrel 6 are connected with piston cylinder body 1 and piston connecting rod 2 respectively, prevent to take place to drop the separation, through setting up first bolt fastener 9 and second bolt fastener 11 to stainless steel material, can promote its use intensity and increase corrosion resistance, avoid being used by the corrosive influence of fluid in the use, and set up first bolt fastener 9 and second bolt fastener 11 into the hexagonal, hexagonal structure has the edge, facilitate the use instrument dismantles it.
In this embodiment, as shown in fig. 1-6, a mounting groove 12 is formed on the second sealing cylinder 6, a plurality of spacing rings 13 are fixedly installed in the mounting groove 12, the spacing between the plurality of spacing rings 13 is identical to the thickness of the rubber sealing ring 7, the cylinder length of the first sealing cylinder 5 is greater than the cylinder length of the second sealing cylinder 6, the diameter of the rubber sealing ring 7 is identical to the outer diameter of the second sealing cylinder 6, the outer diameter of the second sealing cylinder 6 is identical to the inner diameter of the first sealing cylinder 5, the first flange fixing disc 8 is fixedly connected with the first sealing cylinder 5 by welding, and the piston connecting rod 2 is fixedly connected with the second flange fixing disc 10 by welding. Through setting up mounting groove 12 and spacer 13, set up mounting groove 12 and conveniently cup joint rubber seal 7 on second seal barrel 6, and set up a plurality of spacer 13 and then be convenient for carry out spacingly to rubber seal 7, prevent that rubber seal 7 from rocking the effect that influences the seal in mounting groove 12, through setting up the length of first seal barrel 5 to be greater than the length of second seal barrel 6, make it in the operation in-process of using, avoid second seal barrel 6 to drop from first seal barrel 5 in the gliding in-process of going up and down, through the diameter identical with the external diameter of second seal barrel 6 of rubber seal 7, the external diameter of second seal barrel 6 is identical with the internal diameter of first seal barrel 5, thereby make the diameter identical of rubber seal 7 and the internal diameter setting of first seal barrel 5, make rubber seal 7 can closely laminate with first seal barrel 5 inner wall, promote sealed effect, through with first flange ring 8 and first seal barrel 5, piston connecting rod 2 and second flange ring 10 all adopt the welded connection, can promote the durability that connects, it can also avoid breaking to take place simultaneously to increase the durability of using.
In this embodiment, as shown in fig. 1 to 6, a method for processing a sealing type piston cylinder assembly of a marine engine includes the following steps;
step one: firstly, a plurality of rubber sealing rings 7 are sleeved in the mounting grooves 12 in the second sealing cylinder 6, and then the first sealing cylinder 5 is sleeved on the second sealing cylinder 6 to wrap the first sealing cylinder in;
step two: the first flange fixing plate 8 is fixedly connected with the top of the first sealing cylinder body 5 in a welding mode, the first sealing cylinder body 5 and the second sealing cylinder body 6 are inserted into the piston cylinder body 1 to enable the first flange fixing plate 8 to be in contact with the top of the piston cylinder body 1, and finally a plurality of first bolt fasteners 9 are connected with thread grooves formed in the top of the piston cylinder body 1 to fix the first flange fixing plate 8 on the top of the piston cylinder body 1;
step three: the top of the piston connecting rod 2 is welded and connected with a second flange fixing plate 10 in a welding mode, and then a plurality of second bolt fasteners 11 are used for fixedly connecting the second flange fixing plate 10 at the bottom of the second sealing cylinder body 6, so that the assembly of the piston cylinder body 1, the first sealing cylinder body 5, the second sealing cylinder body 6 and the piston connecting rod 2 is integrated, and the processing is completed. .
In this embodiment, as shown in fig. 1 to 6, the working process of the sealing type piston cylinder assembly of the marine engine and the processing method thereof provided in this embodiment is as follows:
step 1: a plurality of rubber sealing rings 7 are sleeved on the mounting grooves 12 in the second sealing cylinder 6, and after the rubber sealing rings 7 are mounted, the first sealing cylinder 5 is sleeved on the second sealing cylinder 6 to wrap the first sealing cylinder into an integral sealing assembly;
step 2: then the first sealing cylinder body 5 and the second sealing cylinder body 6 are inserted into the piston cylinder body 1 until the first flange fixing plate 8 at the top of the first sealing cylinder body 5 is attached to the top of the piston cylinder body 1, and then a plurality of first bolt fasteners 9 are inserted into the first flange fixing plate 8 and connected with the thread grooves at the top of the piston cylinder body 1, so that the first sealing cylinder body 5 and the second sealing cylinder body 6 are fixedly arranged in the piston cylinder body 1;
step 3: then, a second flange fixing disc 10 at the top of the piston connecting rod 2 is abutted to the bottom of the second sealing cylinder 6, a plurality of second bolt fasteners 11 are inserted into the second flange fixing disc 10 and are connected with a thread groove at the bottom of the second sealing cylinder 6, so that the connection and installation of the piston connecting rod 2 and the second sealing cylinder 6 are completed, the second sealing cylinder 6 is linked with the piston connecting rod 2 in the using process, the second sealing cylinder 6 is lifted and lowered in the first sealing cylinder 5 in a sliding manner, a rubber sealing ring 7 sleeved on the surface of the second sealing cylinder is tightly attached to the inner wall of the first sealing cylinder 5, oil leakage is effectively avoided, and the sealing effect is improved.
In summary, in this embodiment, according to the sealed piston cylinder assembly for a marine engine and the processing method thereof of this embodiment, through the arrangement of the first flange fixing plate 8, the first bolt fastening member 9, the second flange fixing plate 10 and the second bolt fastening member 11, under the connection effect of the plurality of first bolt fastening members 9 and the second bolt fastening members 11 and the thread grooves, the first sealing cylinder body 5 and the second sealing cylinder body 6 can be respectively connected with the piston cylinder body 1 and the piston connecting rod 2 more firmly, the falling separation is prevented, the use strength can be improved, the corrosion resistance is increased, the use is prevented from being influenced by the oil corrosion in the use process, the first bolt fastening member 9 and the second bolt fastening member 11 are arranged into a hexagonal structure with edges, the utility model is convenient to use tools to disassemble, the installation groove 12 is arranged to conveniently sleeve the rubber sealing ring 7 on the second sealing cylinder body 6 through the installation of the installation groove 12 and the spacing rings 13, the spacing rings 13 are arranged to conveniently limit the rubber sealing ring 7, the sealing effect is prevented from being influenced by the shaking of the rubber sealing ring 7 in the installation groove 12, the length of the first sealing cylinder body 5 is set to be larger than the length of the second sealing cylinder body 6, the second sealing cylinder body 6 is prevented from falling off from the first sealing cylinder body 5 in the process of lifting and sliding in the operation and use process, the diameter of the rubber sealing ring 7 is matched with the outer diameter of the second sealing cylinder body 6, the outer diameter of the second sealing cylinder body 6 is matched with the inner diameter of the first sealing cylinder body 5, thereby indirectly enabling the diameter of the rubber sealing ring 7 to be matched with the inner diameter of the first sealing cylinder body 5, the rubber sealing ring 7 can be tightly attached to the inner wall of the first sealing cylinder body 5, the sealing effect is improved, the piston connecting rod 2 and the second flange fixing plate 10 are connected through welding by the aid of the first flange fixing plate 8 and the first sealing cylinder body 5, the connecting tightness can be improved, and the use durability is improved while fracture can be avoided.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.

Claims (10)

1. The utility model provides a marine engine sealed type piston cylinder assembly, includes piston cylinder body (1) and sets up in its inside piston connecting rod (2), install a plurality of sealing ring assemblies (3), its characterized in that on piston connecting rod (2): the piston cylinder is characterized in that a sealing structure (4) is arranged on the piston cylinder body (1), the sealing structure (4) comprises a first sealing cylinder body (5) arranged inside the piston cylinder body (1), a second sealing cylinder body (6) is slidably arranged on the first sealing cylinder body (5), the second sealing cylinder body (6) is connected with the piston connecting rod (2), and a plurality of rubber sealing rings (7) are sleeved on the second sealing cylinder body (6).
2. A marine engine seal type piston cylinder assembly as set forth in claim 1 wherein: the top of first sealed barrel (5) is provided with first flange fixed disk (8), be provided with a plurality of first bolt fastener (9) on first flange fixed disk (8), a plurality of with first bolt fastener (9) matched with thread groove has been seted up at the top of piston cylinder body (1).
3. A marine engine seal type piston cylinder assembly as claimed in claim 2 wherein: the top of piston connecting rod (2) is provided with second flange fixed disk (10), be provided with a plurality of second bolt fastener (11) on second flange fixed disk (10), a plurality of with second bolt fastener (11) matched with thread groove has been seted up to the bottom of second sealed barrel (6).
4. A marine engine seal type piston cylinder assembly as claimed in claim 3 wherein: the first bolt fastening piece (9) and the second bolt fastening piece (11) are made of stainless steel, and the first bolt fastening piece (9) and the second bolt fastening piece (11) are hexagon bolts.
5. A marine engine seal type piston cylinder assembly as set forth in claim 1 wherein: the second sealing cylinder body (6) is provided with a mounting groove (12), and a plurality of spacing rings (13) are fixedly arranged in the mounting groove (12).
6. A marine engine seal type piston cylinder assembly as set forth in claim 5 wherein: the spacing between the plurality of spacing rings (13) is matched with the thickness of the rubber sealing ring (7).
7. A marine engine seal type piston cylinder assembly as set forth in claim 1 wherein: the cylinder length of the first sealing cylinder (5) is longer than that of the second sealing cylinder (6).
8. A marine engine seal type piston cylinder assembly as set forth in claim 1 wherein: the diameter of the rubber sealing ring (7) is matched with the outer diameter of the second sealing cylinder (6), and the outer diameter of the second sealing cylinder (6) is matched with the inner diameter of the first sealing cylinder (5).
9. A marine engine seal type piston cylinder assembly as claimed in claim 3 wherein: the first flange fixing plate (8) is fixedly connected with the first sealing cylinder body (5) through welding, and the piston connecting rod (2) is fixedly connected with the second flange fixing plate (10) through welding.
10. The method of processing a marine engine sealed piston cylinder assembly of claim 1, comprising the steps of;
step one: firstly, a plurality of rubber sealing rings (7) are sleeved in a mounting groove (12) in a second sealing cylinder (6), and then a first sealing cylinder (5) is sleeved on the second sealing cylinder (6) to wrap the first sealing cylinder in;
step two: then the first flange fixing plate (8) is fixedly connected with the top of the first sealing cylinder body (5) in a welding mode, then the first sealing cylinder body (5) and the second sealing cylinder body (6) are inserted into the piston cylinder body (1) to enable the first flange fixing plate (8) to be in contact with the top of the piston cylinder body (1), and finally a plurality of first bolt fasteners (9) are connected with a thread groove formed in the top of the piston cylinder body (1), so that the first flange fixing plate (8) is fixed on the top of the piston cylinder body (1);
step three: and the top of the piston connecting rod (2) is welded and connected with a second flange fixing plate (10) in a welding mode, and then a plurality of second bolt fasteners (11) are used for fixedly connecting the second flange fixing plate (10) to the bottom of the second sealing cylinder body (6), so that the assembly of the piston cylinder body (1), the first sealing cylinder body (5), the second sealing cylinder body (6) and the piston connecting rod (2) is integrated, and the processing is completed.
CN202311306937.7A 2023-10-10 2023-10-10 Marine engine sealing type piston cylinder assembly and processing method thereof Pending CN117449976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311306937.7A CN117449976A (en) 2023-10-10 2023-10-10 Marine engine sealing type piston cylinder assembly and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311306937.7A CN117449976A (en) 2023-10-10 2023-10-10 Marine engine sealing type piston cylinder assembly and processing method thereof

Publications (1)

Publication Number Publication Date
CN117449976A true CN117449976A (en) 2024-01-26

Family

ID=89590092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311306937.7A Pending CN117449976A (en) 2023-10-10 2023-10-10 Marine engine sealing type piston cylinder assembly and processing method thereof

Country Status (1)

Country Link
CN (1) CN117449976A (en)

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