CN116037597A - Surface combined protection device for overhaul of large complex shell - Google Patents
Surface combined protection device for overhaul of large complex shell Download PDFInfo
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- CN116037597A CN116037597A CN202211189402.1A CN202211189402A CN116037597A CN 116037597 A CN116037597 A CN 116037597A CN 202211189402 A CN202211189402 A CN 202211189402A CN 116037597 A CN116037597 A CN 116037597A
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- transmission hole
- cover plate
- protection
- protective cover
- protection cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The surface combined protection device for large complex shell overhaul belongs to the technical field of machining and comprises a protection cover plate manufactured according to the shape of each machined surface on the large complex shell; holes are formed on the corresponding positions of the large transmission hole systems on the corresponding surfaces of the large complex shells on the protective cover plates, and the processed surface of each large transmission hole system is covered and protected by the large transmission hole system protective cover plate; holes are formed in the corresponding positions of the small transmission hole systems on the corresponding surfaces of the large complex shells on the protective cover plates, and the machined surface of each small transmission hole system is covered and protected through the small transmission hole system protective cover plate. The invention has the advantages of convenient use, simple structure, easy processing and manufacturing, capability of ensuring the protection requirement of each processing surface of the large complex shell, shortening the auxiliary time in protection, convenient positioning and clamping in the protection process and improving the protection quality and efficiency.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a surface combination protection device for large complex shell overhaul.
Background
The crankshaft transmission case of the large complex shell is one of important parts of a diesel engine, and the large complex shell needs to be overhauled every one period, so that the shell needs to be disassembled and inspected, paint removal treatment is needed after the disassembly, the machined surfaces are required to be protected (mainly, the machined surfaces of the large complex shell and the machined elements on the machined surfaces are protected, the machined surface holes of the large complex shell are more, the gap is small, the protection difficulty is high, and meanwhile, the protection requirement on the machined elements of the large complex shell is high), corrosion caused by incomplete protection and secondary reworking caused by damage of chemical reaction on the machined surfaces and the machined elements are avoided, so that the large complex shell is out of tolerance and the installation requirement of an overhaul machine cannot be met. Because the large-scale complex shell belongs to the class of precise shells, the space between each processing element is narrow and small, and is one of the difficult points and bottleneck points of the protection of the whole large-scale complex shell, the protection requirement on each processing element of the large-scale complex shell is higher, the protection tool with simple design is difficult to ensure, and the technical bottleneck exists in the process of designing the special protection tool. When the special protection tool for the large complex shell is designed, the characteristics of small gaps and multiple hole systems among machining surfaces and machining elements on the machining surfaces are considered, and the machining difficulty is high in the process of manufacturing the special protection tool, so that the manufacturing difficulty of the special protection tool for the large complex shell is high. The protection of each processing surface of the large complex shell and the processing elements on each processing surface are taken as break-through openings, a special protection tool is designed to be used in paint stripping after disassembly and inspection, and the special protection tool can meet the installation requirements of a overhaul machine. There is therefore a need for improvements.
Disclosure of Invention
The invention solves the technical problems that: the invention provides a surface combination protection device for large-scale complex shell overhaul, which is convenient to assemble, disassemble and use, simple in structure and easy to process and manufacture, can ensure the protection requirement of each processing surface of the large-scale complex shell, effectively improve the protection quality of each processing surface of the large-scale complex shell and the processing elements on each processing surface, shorten the auxiliary time in protection, facilitate positioning and clamping in the protection process, and improve the protection efficiency.
The invention adopts the technical scheme that: a surface combined protection device for large complex shell overhaul comprises different protection cover plates which are manufactured according to the shape of each processed surface on the large complex shell and are used for covering and protecting each processed surface; holes which are matched with the shape of the large transmission hole system and are convenient for the concave-convex exposure of the large transmission hole system are formed in the positions, corresponding to the large transmission hole system, of the corresponding surface of the large complex shell, and the processed surface of each large transmission hole system is covered and protected by the large transmission hole system protection cover plate; holes which are matched with the shapes of the small transmission hole systems and are convenient for the concave-convex exposure of the small transmission hole systems are formed in the positions, corresponding to the small transmission hole systems, of the corresponding surfaces of the large complex shell, the machined surfaces of the small transmission hole systems are covered and protected by the small transmission hole system protection cover plates, the small transmission hole system protection cover plates are made of asbestos plates, and the small transmission hole system protection cover plates are fixed at the positions, corresponding to the large complex shell, in a pasting mode.
The large complex shell is a crankshaft transmission case, and a front machined surface protective cover plate, a back machined surface protective cover plate, a left machined surface protective cover plate, a right machined surface protective cover plate, an upper machined surface protective cover plate and a lower machined surface protective cover plate are arranged according to machined surfaces on the front face, the back face, the left side and the right side of the crankshaft transmission case. The method comprises the steps of carrying out a first treatment on the surface of the
Further, holes are formed in the front processed surface protection cover plate at positions corresponding to 5 large transmission hole systems on the front of the crankshaft transmission box, and the 5 large transmission hole systems on the front of the crankshaft transmission box are covered and protected by the large transmission hole protection cover plate I, the large transmission hole protection cover plate II, the large transmission hole protection cover plate III, the large transmission hole protection cover plate IV and the large transmission hole protection cover plate V respectively; the right side processed surface protection cover plate is provided with a hole corresponding to the 1 large transmission hole system on the right side surface of the crankshaft transmission case, and the 1 large transmission hole system on the right side surface of the crankshaft transmission case is covered and protected by the large transmission hole protection cover plate VI;
further, holes are formed in the front processed surface protection cover plate at positions corresponding to 5 small transmission hole systems on the front of the crankshaft transmission box, and the 5 small transmission hole systems on the front of the crankshaft transmission box are covered and protected by the small transmission hole protection cover plate I, the small transmission hole protection cover plate II, the small transmission hole protection cover plate III, the small transmission hole protection cover plate IV and the small transmission hole protection cover plate VI respectively; the left machined surface protection cover plate is provided with a hole corresponding to the position of the small transmission hole system on the left side surface of the crank transmission case, and the small transmission hole system on the left side surface of the crank transmission case is covered and protected by the small transmission hole protection cover plate V.
Further, each protective cover plate and the large transmission hole system protective cover plate are made of steel and are fixed through screw holes on a large complex shell in a matched mode.
Compared with the prior art, the invention has the advantages that:
1. according to the technical scheme, the special protection tool is designed, so that the protection requirement of the protection elements required by each surface of the large-scale complex shell and the use requirement of the field use protection tool can be met, and the surface protection quality of the large-scale complex shell is met. The design of the protection tool requires relatively good structure and stability, and the reliability and stability of the protection tool in the use process are improved;
2. in the scheme, when the protective tool is manufactured, the protective tool is designed into a steel piece which is integrated with the protective cover plate on each processing surface and each processing surface of the crankshaft transmission case, so that the deformation is small in the manufacturing process, and the processing is convenient; meanwhile, the reliability and stability of the protection device for clamping and protecting on each surface of the large complex shell and the safety of operators in protection are considered, the protection of each machining surface of the large complex shell and the machining elements on each machining surface is mainly realized, the protection tool is fixed aiming at the hole system on each machining surface of the part, the selection of design parameters for protecting the machining elements on each machining surface is realized, and the protection tool is used on each machining surface of the large complex shell in a clamping way, so that the manufacturing precision of the tool is ensured, the protection efficiency is improved, and meanwhile, the machining cost is reduced;
3. the protection device in the scheme is applied to the protection of the protection elements required by each surface of the large complex shell, and the tool numbers and the names of the protected parts are marked by the red paint in the middle of the upper surface and the lower surface of the protection cover plate of each surface in the protection device, so that the use errors of operators can be effectively prevented, the reliability of the protection tool is improved, and the correct use in site protection is facilitated.
Drawings
FIG. 1 is a front view of a front machined face shield cover for a crank case in accordance with the present invention;
FIG. 2 is a front view of the protective cover plate for the rear machined face of the crankcase in accordance with the invention;
FIG. 3 is a front view of the machined face shield for the left side of the crank case of the present invention;
FIG. 4 is a front view of the right machined face shield of the crankcase of the present invention;
FIG. 5 is a front view of the upper machined face shield plate for the crank case of the present invention;
FIG. 6 is a front view of the lower machined face shield of the crankcase of the present invention;
FIG. 7 is a front view of the present invention protecting a crank case;
FIG. 8 is a rear view of the present invention protecting the crank case;
FIG. 9 is a left side view of the present invention protecting a crank case
FIG. 10 is a right side view of the present invention protecting a crank case;
FIG. 11 is a top view of the present invention protecting a crank case;
fig. 12 is a bottom view of the present invention protecting a crank case.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Referring to fig. 1-12, embodiments of the present invention are described in detail.
Example 1: a surface combined protection device for large complex shell overhaul comprises different protection cover plates which are manufactured according to the shape of each processed surface on the large complex shell and are used for covering and protecting each processed surface; holes which are matched with the shape of the large transmission hole system and are convenient for the concave-convex exposure of the large transmission hole system are formed in the positions, corresponding to the large transmission hole system, of the corresponding surface of the large complex shell, and the processed surface of each large transmission hole system is covered and protected by the large transmission hole system protection cover plate; holes which are matched with the shapes of the small transmission hole systems and are convenient for the concave-convex exposure of the small transmission hole systems are formed in the corresponding positions of the small transmission hole systems on the corresponding surfaces of the large complex shell body on the protective cover plates, and the processed surfaces on the small transmission hole systems are covered and protected through the protective cover plates of the small transmission hole systems.
Example 2: when the large complex housing is a crank case, as shown in fig. 1 to 12, a front machined surface protective cover plate 1, a back machined surface protective cover plate 2, a left machined surface protective cover plate 3, a right machined surface protective cover plate 4, an upper machined surface protective cover plate 5 and a lower machined surface protective cover plate 6 are arranged according to machined surfaces on the front side, the back side, the left side and the right side of the crank case.
Holes are formed in the front processed surface protection cover plate 1 corresponding to positions of 5 large transmission hole systems on the front surface of the crankshaft transmission box, and the 5 large transmission hole systems on the front surface of the crankshaft transmission box are covered and protected by a large transmission hole protection cover plate I7, a large transmission hole protection cover plate II 8, a large transmission hole protection cover plate III 9, a large transmission hole protection cover plate IV 10 and a large transmission hole protection cover plate V11 respectively; the right machined surface protection cover plate 4 is provided with a hole corresponding to the 1 large transmission hole system on the right side surface of the crank transmission case, and the 1 large transmission hole system on the right side surface of the crank transmission case is covered and protected by the large transmission hole protection cover plate VI 12.
Holes are formed in the front processed surface protection cover plate 1 corresponding to the positions of 5 small transmission hole systems on the front of the crankshaft transmission box, and the 5 small transmission hole systems on the front of the crankshaft transmission box are covered and protected by a small transmission hole protection cover plate I13, a small transmission hole protection cover plate II 14, a small transmission hole protection cover plate III 15, a small transmission hole protection cover plate IV 16 and a small transmission hole protection cover plate VI 18 respectively; the left machined surface protection cover plate 3 is provided with a hole corresponding to the position of the small transmission hole system on the left side surface of the crank shaft transmission case, and the small transmission hole system on the left side surface of the crank shaft box is covered and protected by the small transmission hole protection cover plate V17.
Each protective cover plate and the large transmission hole system protective cover plate are made of wood plates and are fixed through screw holes on a large complex shell in a matched mode.
The small transmission hole protection cover plate I13, the small transmission hole protection cover plate II 14, the small transmission hole protection cover plate III 15, the small transmission hole protection cover plate IV 16, the small transmission hole protection cover plate V17 and the small transmission hole protection cover plate VI 18 are formed by cutting asbestos boards according to the zero shape and sticking the asbestos boards by using adhesive tapes.
The using method comprises the following steps: and protecting the machining elements on each machining surface of the large complex-shell crankshaft transmission case by adopting a protective cover plate on each machining surface. Firstly, cleaning all machining surfaces of a crankshaft transmission case and machining elements on all machining surfaces, respectively mounting a front machined surface protective cover plate 1, a back machined surface protective cover plate 2, a left machined surface protective cover plate 3, a right machined surface protective cover plate 4, a lower machined surface protective cover plate 5, an upper machined surface protective cover plate 6, a large transmission hole protective cover plate I7, a large transmission hole protective cover plate II 8, a large transmission hole protective cover plate III 9, a large transmission hole protective cover plate IV 10, a large transmission hole protective cover plate V11 and a large transmission hole protective cover plate VI 12 on all machining surfaces of the large complex shell by using standard hexagonal screws according to the sequence of figures 3-8, and screwing the standard hexagonal screws for mounting the protective cover plates on all surfaces. In order to prevent paint removing liquid from entering each cavity and corroding each oil duct hole, the small transmission hole protection cover plate I13, the small transmission hole protection cover plate II 14, the small transmission hole protection cover plate III 15, the small transmission hole protection cover plate IV 16, the small transmission hole protection cover plate V17 and the small transmission hole protection cover plate VI 18 are formed by cutting asbestos plates according to the shape of a part and adhering the asbestos plates to corresponding positions on the part by using adhesive tapes; secondly, hanging the large complex shell with the protective tool into a paint removing area, and placing the large complex shell at a designated position; finally, paint removal treatment is carried out; therefore, the protection of the large complex shell before paint removal can be carried out on each processing surface of the large complex shell, the reliability and operability of manufacturing the protective cover plate on each processing surface of the large complex shell are guaranteed, the tool is convenient to install and use in the whole protection process, and the protection requirements of each processing surface of the large complex shell and the processing elements on each processing surface can be met. After paint removal of each processing surface of the shell is completed, the large complex shell with the protection tool is hung into a designated position, and standard hexagon screws on each protection cover plate are respectively loosened and screwed out in sequence according to the assembly sequence of the protection cover plates on the previous surfaces, the protection cover plates on each surface are taken down, and the protection cover plates are orderly placed, so that the subsequent protection is convenient to use. Therefore, the protection of each machining surface and each machining surface of the large complex shell (the machining surfaces and the hole systems of the large complex shell are more, the gap is small, the protection difficulty is high, and meanwhile, the protection requirement on each machining element of the large complex shell is high), the convenience in positioning and clamping in the protection process can be ensured, and the protection efficiency is improved.
The protection device is designed by considering the reliability, operability and precision consistency of the manufacture of the protection cover plate on each processing surface of the large complex shell, and can ensure the protection requirements of each processing surface and the processing elements on each processing surface of the large complex shell.
Because the special protection tool is a combination body, each protection cover plate, the large complex shell and the standard hexagonal screw are combined and assembled together for use, namely, the principle of split protection of each processing surface and the processing elements on each processing surface is adopted, the hole system on each processing surface of the part is used for fixing the protection tool, the function of protecting the processing elements on each processing surface is realized, the auxiliary time for alignment in the installation of the protection tool is avoided, and the protection quality is improved. The protective cover plate on each processing surface is marked with the tool number and the order of using each surface during manufacturing, so that workers can be guided to use correctly.
Through on-site debugging and tracking, the protection device for protecting each processing surface of the large complex shell and the processing elements on each processing surface can meet the paint removal protection requirement of a overhaul machine in terms of protection requirement and use function, is convenient for on-site protection and use, improves the protection efficiency of each processing surface of the large complex shell and the processing elements on each processing surface, has good protection stability, and ensures the protection quality of each processing surface of the large complex shell and the processing elements on each processing surface.
The protection device and the use method break through the bottleneck process existing in the efficient protection of the processing surfaces of the large complex shell and the processing elements on the processing surfaces, mark the progress of the design technology of the protection of the processing surfaces of the large complex shell and the processing elements on the processing surfaces, are in the leading position in the industry, and have wider application fields and better popularization value.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a large-scale complex casing overhauls with surface combination protector which characterized in that: comprises different protective cover plates which are made according to the shape of each processed surface on a large complex shell and are used for covering and protecting each processed surface; holes which are matched with the shape of the large transmission hole system and are convenient for the concave-convex exposure of the large transmission hole system are formed in the positions, corresponding to the large transmission hole system, of the corresponding surface of the large complex shell, and the processed surface of each large transmission hole system is covered and protected by the large transmission hole system protection cover plate; holes which are matched with the shapes of the small transmission hole systems and are convenient for the concave-convex exposure of the small transmission hole systems are formed in the corresponding positions of the small transmission hole systems on the corresponding surfaces of the large complex shell body on the protective cover plates, and the processed surfaces on the small transmission hole systems are covered and protected through the small transmission hole system protective cover plates; the small transmission hole system protective cover plates are manufactured by cutting asbestos plates, and the small transmission hole system protective cover plates are fixed at corresponding positions of the large complex shell in a pasting mode.
2. The surface combination protection device for major repair of large complex shells according to claim 1, wherein: the large complex shell is a crankshaft transmission case, and a front machined surface protective cover plate (1), a back machined surface protective cover plate (2), a left machined surface protective cover plate (3), a right machined surface protective cover plate (4), an upper machined surface protective cover plate (5) and a lower machined surface protective cover plate (6) are arranged according to machined surfaces on the front surface, the back surface, the left side and the right side of the crankshaft transmission case.
3. The surface combination protection device for major repair of large complex shells according to claim 2, wherein: holes are formed in the front processed surface protection cover plate (1) corresponding to positions of 5 large transmission hole systems on the front of the crankshaft transmission box, and the 5 large transmission hole systems on the front of the crankshaft transmission box are covered and protected by a large transmission hole protection cover plate I (7), a large transmission hole protection cover plate II (8), a large transmission hole protection cover plate III (9), a large transmission hole protection cover plate IV (10) and a large transmission hole protection cover plate V (11) respectively; the right side processed surface protection cover plate (4) is provided with a hole corresponding to the position of the 1 large transmission hole system on the right side surface of the crank transmission case, and the 1 large transmission hole system on the right side surface of the crank transmission case is covered and protected by the large transmission hole protection cover plate VI (12).
4. The surface combination protection device for major repair of large complex shells according to claim 2, wherein: holes are formed in the front processed surface protection cover plate (1) corresponding to the positions of 5 small transmission hole systems on the front of the crankshaft transmission box, and the 5 small transmission hole systems on the front of the crankshaft transmission box are covered and protected by a small transmission hole protection cover plate I (13), a small transmission hole protection cover plate II (14), a small transmission hole protection cover plate III (15), a small transmission hole protection cover plate IV (16) and a small transmission hole protection cover plate VI (18) respectively; the left machined surface protection cover plate (3) is provided with a hole corresponding to the position of the small transmission hole system on the left side surface of the crank transmission case, and the small transmission hole system on the left side surface of the crank transmission case is covered and protected by the small transmission hole protection cover plate V (17).
5. The surface combination protection device for major repair of large complex shells according to claim 1, wherein: each protective cover plate and the large transmission hole system protective cover plate are made of steel.
6. The surface combination protection device for major repair of large complex shells according to claim 1, wherein: the protective cover plates and the large transmission hole system protective cover plates are fixed through screw holes on the large complex shell body in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211189402.1A CN116037597A (en) | 2022-09-28 | 2022-09-28 | Surface combined protection device for overhaul of large complex shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211189402.1A CN116037597A (en) | 2022-09-28 | 2022-09-28 | Surface combined protection device for overhaul of large complex shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116037597A true CN116037597A (en) | 2023-05-02 |
Family
ID=86115150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211189402.1A Pending CN116037597A (en) | 2022-09-28 | 2022-09-28 | Surface combined protection device for overhaul of large complex shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116037597A (en) |
-
2022
- 2022-09-28 CN CN202211189402.1A patent/CN116037597A/en active Pending
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