Repair tool for sealing surface of cylinder cover and flame ring of diesel engine

Abstract

The utility model discloses a repairing tool for a diesel engine cylinder cover and a flame ring sealing surface, which comprises a grinding piece, the bottom of the grinding piece is provided with a cylinder cover grinding surface which is recessed inwards to be in contact with and matched with the cylinder cover sealing surface, and the top of the grinding piece is provided with a flame ring grinding surface which is recessed inwards to be matched with the flame ring sealing surface; the cylinder cover handle for driving the grinding piece to rotate to grind the sealing surface of the cylinder cover is temporarily mounted on the grinding piece and is positioned at one end of the grinding surface of the flame ring; the flame ring handle for driving the grinding piece to rotate to grind the sealing surface of the flame ring is temporarily mounted on the grinding piece and is positioned at one end of the grinding surface of the cylinder cover; through the grinding piece, the cylinder cover handle and the flame ring handle, one grinding piece is suitable for grinding two sealing surfaces with different areas, the applicability is high, a grinding tool is light and convenient, the operation is simple, the working efficiency is greatly improved, and the grinding effect of the sealing surfaces is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to diesel engine repair technical field especially relates to a kind of repair tools of diesel engine cylinder cover and flame ring sealing surface. BACKGROUND

[0002] Cylinder cover is one of the main components of diesel engine combustion chamber, and the cylinder cover is pressed on the cylinder liner by penetrating stud inserted in the body and passing through water jacket. Cylinder cover is subjected to high temperature and high pressure gas during the operation of diesel engine, and is also subjected to the action of bolt pretightening force, which causes the cylinder cover to generate compression stress, bending stress and thermal stress. Therefore, the cylinder cover is required to have sufficient strength and rigidity to ensure reliable operation of the cylinder cover and prevent bending deformation, and to ensure good sealing of the joint surface.

[0003] After long-time operation of diesel engine, initial wear marks may appear on the two contact surfaces between cylinder cover and flame ring. During diesel engine maintenance, these marks on the body should be repaired to ensure the sealing of the joint surface. Therefore, a repair tool for the sealing surface of the cylinder cover and the flame ring of the emergency diesel engine of nuclear power plant needs to be designed. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a repair tool for the sealing surface of the cylinder cover and the flame ring, which can safely and reliably complete the repair work of the sealing surface of the cylinder cover and the flame ring during fault handling and preventive maintenance, and ensure the sealing of the repair tool for the sealing surface of the cylinder cover and the flame ring.

[0005] The technical solution adopted by the utility model to solve its technical problem is:

[0006] A repair tool for the sealing surface of the cylinder cover and the flame ring of diesel engine, comprising:

[0007] An abrasive element, the bottom of the abrasive element is inwardly recessed to form a cylinder cover grinding surface in contact with and matched to the sealing surface of the cylinder cover, and the top of the abrasive element is inwardly recessed to form a flame ring grinding surface matched to the sealing surface of the flame ring;

[0008] A cylinder cover handle to drive the abrasive element to rotate and grind the sealing surface of the cylinder cover, the cylinder cover handle is temporarily installed on the abrasive element and located at one end of the flame ring grinding surface; and

[0009] A flame ring handle to drive the abrasive element to rotate and grind the sealing surface of the flame ring, the flame ring handle is temporarily installed on the abrasive element and located at one end of the cylinder cover grinding surface.

[0010] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the bottom of the grinding piece is provided with a stepped ring protruding outward and limiting the sealing surface of the cylinder head, and the grinding surface of the cylinder head is formed in the stepped ring, and the cross section of the grinding surface of the cylinder head matches the cross section of the sealing surface of the cylinder head.

[0011] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the top of the grinding piece is provided with a limiting ring protruding outward and limiting the sealing surface of the flame ring, and the grinding surface of the flame ring is formed in the limiting ring, and the cross section of the grinding surface of the flame ring matches the cross section of the sealing surface of the flame ring.

[0012] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the grinding surface of the cylinder head and the grinding surface of the flame ring are respectively provided with a grinding layer of the cylinder head or a grinding layer of the flame ring for grinding and repairing the sealing surface of the cylinder head and the sealing surface of the flame ring.

[0013] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the grinding layer of the cylinder head and / or the grinding layer of the flame ring is a grinding paste or sandpaper.

[0014] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the particle size of the grinding paste is 80-120 microns.

[0015] Or the grinding particle size on the sandpaper is 80-120 microns.

[0016] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the handle of the cylinder head comprises a connecting assembly installed on the grinding surface of the flame ring and a rotating handle installed on the connecting assembly for rotating the grinding piece.

[0017] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the connecting assembly comprises a connecting block and a penetrating fixing piece.

[0018] The connecting block is installed on the grinding surface of the flame ring through the penetrating fixing piece, and the rotating handle is installed on the connecting block.

[0019] Further, in the tool for repairing the sealing surface of the cylinder head and the flame ring of the diesel engine, preferably, the handle of the flame ring comprises a fixing assembly, a vertical rod and a rotating handle.

[0020] The fixing assembly is installed on the grinding surface of the cylinder head, the vertical rod is installed on the fixing assembly, and the rotating handle is installed on the vertical rod.

[0021] Further, in the repair tool for the sealing surface of the diesel engine cylinder head and the flame ring, preferably, the fixing assembly comprises a fixing member and a fixing block.

[0022] The fixing block is mounted on the cylinder head grinding surface through the fixing member.

[0023] The present application has the following advantages: one grinding member is suitable for grinding two different area sealing surfaces, has strong applicability, and the grinding tool is light, convenient and easy to operate, greatly improving work efficiency and ensuring the grinding effect of the sealing surface. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below in conjunction with the drawings and embodiments. In the drawings:

[0025] Fig. 1 is a first perspective view of a repair tool for the sealing surface of the diesel engine cylinder head and the flame ring in some embodiments of the present application;

[0026] Fig. 2 is a structure diagram of the cylinder head handle and the grinding member of a repair tool for the sealing surface of the diesel engine cylinder head and the flame ring in some embodiments of the present application;

[0027] Fig. 3 is a structure diagram of the flame ring handle and the grinding member of a repair tool for the sealing surface of the diesel engine cylinder head and the flame ring in some embodiments of the present application.

[0028] Explanation of reference numerals in the schematic diagram:

[0029] 1, grinding member; 11, cylinder head grinding surface; 12, flame ring grinding surface; 13, stepped ring; 14, limiting ring; 2, cylinder head handle; 21, rotating handle; 22, connecting block; 23, penetrating fixing member; 3, flame ring handle; 31, vertical rod; 32, rotating handle; 33, fixing member; 34, fixing block. DETAILED DESCRIPTION

[0030] In order to have a clearer understanding of the technical features, purposes and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and cannot be understood as indicating that the devices or elements referred to must have a particular direction, therefore, it cannot be understood as a limitation on the present application.

[0031] It should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the following description, specific details such as specific system structures, techniques, etc. are presented in order to facilitate a thorough understanding of the embodiments of the present application for the purpose of description rather than for the purpose of limitation. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0033] The technical solution adopted by the present application to solve its technical problems is:

[0034] As shown in Figs. 1-3 Some embodiments of the present application disclose a repair tool for a diesel engine cylinder head and a flame ring sealing surface, which comprises: a grinding part 1, a cylinder head handle 2 and a flame ring handle 3. The bottom of the grinding part 1 is inwardly recessed to form a cylinder head grinding surface 11 which contacts and cooperates with the cylinder head sealing surface. The top of the grinding part 1 is inwardly recessed to form a flame ring grinding surface 12 which cooperates with the flame ring sealing surface. The cylinder head handle 2 for grinding the cylinder head sealing surface is temporarily installed on the grinding part 1 and located at one end of the flame ring grinding surface 12 to drive the grinding part 1 to rotate. The flame ring handle 3 for grinding the flame ring sealing surface is installed on the grinding part and located at one end of the cylinder head grinding surface 11 to drive the grinding part 1 to rotate.

[0035] The bottom of the grinding piece 1 is provided with a cylinder head grinding surface 11, which grinds and repairs the sediment base of the cylinder head. The top of the grinding piece 1 is provided with a flame ring grinding surface 12, which grinds and repairs the gasket base on the flame ring.

[0036] When grinding the cylinder head, the cylinder head handle 2 is installed on the flame ring grinding surface 12 with the cylinder head grinding surface 11 facing the bottom. When grinding the flame ring, the cylinder head handle 2 is removed, the grinding piece 1 is turned over, the flame ring grinding surface 12 faces the bottom, and the flame ring handle 3 is installed on the cylinder head grinding surface 11. The grinding piece 1 is suitable for grinding two different area sealing surfaces, and has strong applicability.

[0037] In some embodiments, the cylinder head handle 2 is temporarily, temporarily or in use installed on the grinding piece 1 when grinding the cylinder head sealing surface. The flame ring handle 3 is temporarily, temporarily or in use installed on the grinding piece 1 when grinding the flame ring sealing surface.

[0038] It can be understood that the cylinder head handle 2 for driving the grinding piece 1 to rotate to grind the cylinder head sealing surface is temporarily installed on the grinding piece 1 and located at one end of the flame ring grinding surface 12. The flame ring handle 3 for driving the grinding piece 1 to rotate to grind the flame ring sealing surface is installed on the grinding piece and located at one end of the cylinder head grinding surface 11. Wherein temporarily means that when the grinding piece 1 is in use, the cylinder head handle 2 is installed on the grinding piece 1 or the flame ring handle 3 is installed on the grinding piece 1, only one of the cylinder head handle 2 and the flame ring handle 3 is installed on the grinding piece 1, and both cannot be installed on the grinding piece 1 at the same time.

[0039] In some embodiments, the shapes of the cylinder head grinding surface 11 and the flame ring grinding surface 12 provided on the grinding piece 1 match the shapes of the cylinder head gasket base and the flame ring gasket base, and the traces of the cylinder head gasket base and the flame ring gasket base are grinded and repaired by continuously rotating the grinding piece 1. The device can safely and reliably complete the repair work of the sealing surface on the cylinder head and the flame ring during fault handling and preventive maintenance work, ensure the sealing performance of the sealing surface, and greatly improve the work efficiency and the grinding effect of the sealing surface.

[0040] The bottom of the grinding piece 1 is provided with a stepped ring 13 which is convex outward and limits the cylinder head sealing surface, and the cylinder head grinding surface 11 is formed in the stepped ring 13. The cutting surface of the cylinder head grinding surface 11 matches the cutting surface of the cylinder head sealing surface.

[0041] In some embodiments, the stepped ring 13 has a stair structure that decreases inwardly, or the stepped ring 13 has a T-shaped structure.

[0042] In some embodiments, the stepped ring 13 is in a circular ring structure, and when the cylinder head sealing surface is ground, the stepped ring 13 is buckled on the cylinder head sealing surface, the side wall of the stepped ring 13 abuts against the side of the cylinder head sealing surface to limit it, so that the grinding element 1 can rotate around the cylinder head sealing surface, avoiding deviation when the grinding element 1 rotates and grinds, and uneven grinding and repair.

[0043] The top of the grinding element 1 is provided with a limiting ring 14 which is convex and limits the flame ring sealing surface, and the flame ring grinding surface 12 is formed in the limiting ring 14, and the tangent plane of the flame ring grinding surface 12 cooperates with the tangent plane of the flame ring sealing surface.

[0044] In some embodiments, when the grinding element 1 grinds and repairs the flame ring sealing surface, the flame ring grinding surface 12 is covered on the flame ring sealing surface, and the limiting ring 14 is buckled on the side of the flame ring sealing surface, the inner wall of the limiting ring 14 abuts against the side wall of the flame ring sealing surface to limit it, so that the grinding element 1 can rotate around the flame ring sealing surface, avoiding deviation when the grinding element 1 rotates and grinds, and uneven grinding and repair.

[0045] The cylinder head grinding surface 11 and the flame ring grinding surface 12 are respectively provided with a cylinder head grinding layer and a flame ring grinding layer for grinding and repairing the cylinder sealing surface and the flame ring sealing surface by bonding, integral forming or frictional contact, and there is no gap between the two.

[0046] The cylinder head grinding layer and the flame ring grinding layer are respectively grinding paste or sandpaper.

[0047] The particle size of the grinding paste is 80-120 microns, or the grinding particle size on the sandpaper is 80-120 microns.

[0048] In some embodiments, the cylinder head grinding layer and the flame ring grinding layer are grinding paste, and it is understood that during the repair process of the cylinder head gasket base sealing surface and the flame ring gasket base sealing surface, grinding paste with a particle size of 80-120 microns is used to be applied on the cylinder head gasket base to be ground or the flame ring gasket base, and then the cylinder head gasket base sealing surface and the flame ring gasket base sealing surface are ground. According to the grinding condition of the cylinder head gasket base sealing surface and the flame ring gasket base sealing surface, sandpaper with different thicknesses can be used to be pasted on the cylinder head grinding layer 11 and the flame ring grinding layer 12 until the grinding effect requirement is met, and the thickness of the grinding paste can also be adjusted according to the actual operation condition on site.

[0049] In some embodiments, the cylinder head grinding layer and the flame ring grinding layer are sandpaper. It is understood that during the repair process of the cylinder head gasket base cover surface and the flame ring gasket base cover surface, the sandpaper can be uniformly pasted on the cylinder head grinding layer 11 and the flame ring grinding layer 12, ensuring that the sandpaper is tightly attached, and then the cylinder head gasket base cover surface and the flame ring gasket base cover surface are ground. According to the grinding condition of the cylinder head gasket base cover surface and the flame ring gasket base cover surface, sandpaper of different thicknesses can be pasted on the cylinder head grinding layer 11 and the flame ring grinding layer 12 until the grinding effect requirement is met. The thickness of the sandpaper can be 80 microns to 120 microns, and the thickness of the sandpaper can also be adjusted according to the actual operation condition on site.

[0050] As shown in Figs. 1-2 , the cylinder head handle 2 includes a connecting assembly installed on the flame ring grinding surface 12 and a rotating handle 21 installed on the connecting assembly for rotating the grinding piece.

[0051] The connecting assembly includes a connecting block 22 and a penetrating fixing piece 23; the connecting block 22 is installed on the flame ring grinding surface 12 through the penetrating fixing piece 23, and the rotating handle 21 is installed on the connecting block 22.

[0052] In some embodiments, the connecting block 22 is installed on the rotating handle 21, the penetrating fixing piece 23 is used to fix the rotating handle 21 to the flame ring grinding surface 12 by penetrating the connecting block 22, and the rotating handle 21 is installed on the diameter line of the grinding piece 1. When the rotating handle 21 rotates, the grinding piece 1 can rotate circumferentially.

[0053] As shown in Fig. 1 and Fig. 3 , the flame ring handle 3 includes a fixing assembly, a vertical rod 31, and a rotating handle 32; the fixing assembly is installed on the cylinder head grinding surface 11, the vertical rod 31 is installed on the fixing assembly, and the rotating handle 32 is installed on the vertical rod 31.

[0054] The fixing assembly includes a fixing piece 33 and a fixing block 34; the fixing block 34 is installed on the cylinder head grinding surface 11 through the fixing piece 33.

[0055] In some embodiments, the fixing piece 33 is used to install the fixing block 34 on the cylinder head grinding surface 11 of the grinding piece 1, the vertical rod 31 is installed on the fixing block 34, and the rotating handle 32 is installed on the top of the vertical rod 31. The fixing block 34, the vertical rod 31, and the rotating handle 32 form a I-shaped structure.

[0056] In some embodiments, the grinding piece 1 has a disc structure, the fixing block 34 is installed on the diameter line of the grinding piece 1, and the vertical rod 31 is installed at the axis of the disc. When the rotating handle 32 rotates, the grinding piece 1 rotates circumferentially.

[0057] In some embodiments, the connection between the vertical rod 31 and the rotating handle 32 is provided with a crossbeam for increasing the stability and firmness of the connection.

[0058] In some embodiments, the connection between the vertical rod 31 and the fixed block 34 is provided with a crossbeam for increasing the stability and firmness of the connection. Two crossbeams are provided, which are arranged on both sides of the vertical rod 31, and the bottoms of the two crossbeams are connected with the fixed block 34, and the two crossbeams are in a triangular structure.

[0059] In some embodiments, the fixing member 33 and the penetrating fixing member 23 are bolts, studs, etc., which are not limited herein.

[0060] The diesel engine cylinder head and flame ring sealing surface repair tool is further described below in combination with the use process.

[0061] In use, the diesel engine cylinder head and flame ring sealing surface repair tool is used for repairing the cylinder head, the cylinder head handle 2 is installed on the flame ring grinding surface 12 of the grinding member 1, and the grinding paste with a particle size of 80-120 microns is applied on the cylinder head gasket base sealing surface. Then the cylinder head grinding surface 11 is attached to the cylinder head gasket base sealing surface, the cylinder head handle 2 is rotated to drive the grinding member 1 to rotate and grind and repair the cylinder head gasket base sealing surface.

[0062] In use, the diesel engine cylinder head and flame ring sealing surface repair tool is used for repairing the cylinder head, the cylinder head handle 2 is installed on the flame ring grinding surface 12 of the grinding member 1, and the grinding paste with a particle size of 80-120 microns is applied on the cylinder head gasket base sealing surface. Then the cylinder head grinding surface 11 is attached to the cylinder head gasket base sealing surface, the cylinder head handle 2 is rotated to drive the grinding member 1 to rotate and grind and repair the cylinder head gasket base sealing surface.

[0063] It can be understood that the above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and some deformations and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A repair tool for a diesel engine cylinder head and flame ring sealing surface, characterized in that, The application relates to a cylinder head and flame ring grinding tool. The bottom of the grinding tool is provided with a step ring protruding outward and limiting the cylinder head sealing surface, and the cylinder head grinding surface is formed in the step ring, and the section of the cylinder head grinding surface matches the section of the cylinder head sealing surface. The top of the grinding tool is provided with a limiting ring protruding outward and limiting the flame ring sealing surface, and the flame ring grinding surface is formed in the limiting ring, and the section of the flame ring grinding surface matches the section of the flame ring sealing surface. The cylinder head grinding surface and the flame ring grinding surface are respectively provided with a cylinder head grinding layer or a flame ring grinding layer for grinding and repairing the cylinder head sealing surface and the flame ring sealing surface. The cylinder head grinding layer and / or the flame ring grinding layer is grinding paste or sandpaper.

2. The repair tool for a diesel cylinder head and flame ring seal face of claim 1, wherein, The granularity of the grinding paste is 80-120 microns.

3. The repair tool for a diesel cylinder head and flame ring seal face of claim 1, wherein, Or the granularity of the grinding sandpaper is 80-120 microns.

4. The repair tool for a diesel cylinder head and flame ring seal face of claim 1, wherein, The cylinder head handle comprises a connecting assembly installed on the flame ring grinding surface and a rotating handle installed on the connecting assembly and used for rotating the grinding tool.

5. The repair tool for a diesel cylinder head and flame ring seal face of claim 4, wherein, The connecting assembly comprises a connecting block and a penetrating fixing piece.

6. The repair tool for a diesel cylinder head and flame ring seal face of claim 5, wherein, The connecting block is installed on the flame ring grinding surface through the penetrating fixing piece, and the rotating handle is installed on the connecting block. The flame ring handle comprises a fixing assembly, a vertical rod and a rotating handle.

7. The repair tool for diesel cylinder heads and flame ring sealing surfaces of claim 1, wherein, The fixing assembly is installed on the cylinder head grinding surface, the vertical rod is installed on the fixing assembly, and the rotating handle is installed on the vertical rod.

8. The repair tool for a diesel cylinder head and flame ring seal face of claim 7, wherein, The fixing assembly comprises a fixing piece and a fixing block. The fixing block is installed on the cylinder head grinding surface through the fixing piece.

9. The repair tool for diesel cylinder heads and flame ring sealing surfaces of claim 1, wherein, ​ ​ 10. The repair tool for a diesel cylinder head and flame ring seal face of claim 9, wherein, ​ ​

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