Two-section type maintenance platform for large marine low-speed diesel engine

Abstract

The utility model belongs to the field of two-section type maintenance platforms for marine low-speed diesel engines, and relates to a two-section type maintenance platform for a large marine low-speed diesel engine. The platform is characterized by comprising a main platform (10) and an auxiliary platform (3), and the auxiliary platform (3) is detachably arranged on the lower portion of the main platform (10); a first flange (8) is arranged on the lower portion of the main platform (10), four corresponding holes are formed in the four corners of a second flange (12) arranged below the auxiliary platform (3), and the first flange (8) and the second flange (12) are in bolt connection through the four corresponding holes formed in the four corners of the first flange (8) and the four corresponding holes formed in the four corners of the second flange (12). The maintenance platform has the beneficial effects that the maintenance platforms with different heights can be designed according to different machine types, the cost is saved, the requirements for assembly and maintenance of valves of different machine types are met, and the assembly efficiency and the assembly quality are improved.

Description

Technical Field

[0001] The invention belongs to the field of a two-stage maintenance platform for a low-speed marine diesel engine, and relates to a two-stage maintenance platform for a large-scale low-speed marine diesel engine. Background Art

[0002] During the construction of marine low-speed diesel engines, the installation, assembly and maintenance of SCR valves must be completed. Different engine models will result in different heights of SCR valves, and the required assembly and maintenance platforms will be at different heights.

[0003] The SCR valve maintenance platform in the prior art needs to be designed with different heights according to different models, which causes a lot of cost waste. The platform manufacturing cost is high and cannot meet the assembly and maintenance of SCR valves of different models. Summary of the invention

[0004] The present invention aims to solve the problems that the SCR valve maintenance platform in the prior art needs to be designed with different heights according to different engine models, resulting in a large amount of cost waste, high platform manufacturing cost, and cannot meet the assembly and maintenance of SCR valves of different engine models. A two-stage maintenance platform for a large marine low-speed diesel engine is proposed, which is characterized by comprising a main platform and an auxiliary platform, and the auxiliary platform is detachably arranged at the lower part of the main platform;

[0005] The main platform includes: a platform, a platform bracket, a platform support, a railing column, a guardrail device, a platform bracket support, and a flange 1; wherein: the platform is in a rectangular disc shape, there are two platform supports, which are welded to the lower part of the two opposite sides of the platform, and there are four platform brackets; one end of the four platform brackets is respectively set at the four corners of the platform and fixedly connected with the platform support bolts; the two ends of the platform bracket support are respectively fixedly connected between the two platform brackets with horizontal bolts; there are four railing columns, which are respectively set at the upper part of the four corners of the platform and fixedly connected with the platform support bolts; the guardrail device is bolted and fixedly connected on two adjacent railing columns, and four flanges 1 are respectively set at the lower part of the four platform brackets;

[0006] The auxiliary platform includes: an auxiliary flange bracket, a flange two, an auxiliary flange base, and an auxiliary flange support, wherein: there are 4 auxiliary flange brackets, 4 flange twos are respectively fixedly connected to one end of the auxiliary flange bracket; there are 4 auxiliary flange bases, which are respectively fixedly connected to the other end of the auxiliary flange bracket; there are 2 auxiliary flange supports, which are respectively horizontally fixedly connected between the 2 auxiliary flange brackets.

[0007] According to the above-mentioned two-stage maintenance platform for large-scale marine low-speed diesel engines, it is characterized in that the platform bracket and the auxiliary flange bracket are both U-shaped steel.

[0008] According to the above-mentioned two-stage maintenance platform for large marine low-speed diesel engines, it is characterized in that: the platform bracket supports are 4-8, which are equidistantly arranged between 2 platform brackets, and the support spacing between each platform bracket is 35cm-45cm.

[0009] According to the above-mentioned two-stage maintenance platform for large marine low-speed diesel engines, it is characterized in that: the platform bracket support is a rectangular steel plate, and square connecting sheet structures are welded at both ends of the platform bracket support, and the two ends of the platform bracket support are bolted between two platform brackets through the square connecting sheet structure.

[0010] According to the above-mentioned two-stage maintenance platform for large marine low-speed diesel engines, it is characterized in that: the guardrail device is a U-shaped tubular structure.

[0011] According to the above-mentioned two-stage maintenance platform for large marine low-speed diesel engines, it is characterized in that the shape and size of flange 1 and flange 2 are the same, both of which are square structures.

[0012] According to the above large marine low-speed diesel engine two-stage maintenance platform, it is characterized in that: four corresponding holes are set at the four corners of flange one and flange two, and flange one and flange two are bolted to each other through the four corresponding holes set at the four corners of flange one and flange two.

[0013] The advantages of the present invention compared with the prior art are:

[0014] 1. The present invention solves the problem that different diesel engine models require maintenance platform tooling of different heights through the main platform and the auxiliary platform of the two-stage maintenance platform for large marine low-speed diesel engines, and the auxiliary platform is detachably arranged at the lower part of the main platform.

[0015] 2. The platform support of the present invention can not only fix the support, but also be used as a ladder. The maintenance platform has a simple structure and is easy to assemble.

[0016] 3. The present invention connects the platform, platform bracket, platform support, railing column, guardrail device, platform bracket support and flange 1 by bolts to form a main platform; and connects the secondary flange bracket, flange 2, secondary flange base and secondary flange support to form a secondary platform by bolts. The maintenance platform can be quickly assembled, thereby improving the assembly efficiency of the maintenance platform.

[0017] 4. The dimensions of each component of the present invention can be customized according to the needs of different diesel engine models, making it universal and reducing the manufacturing cost of the maintenance platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the connection structure between the main platform and the auxiliary platform for SCR valve maintenance.

[0019] Figure 2 This is a schematic diagram of the main platform structure for SCR valve maintenance.

[0020] Figure 3 This is a schematic diagram of the structure of the SCR valve maintenance sub-platform.

[0021] In the figure: 1: platform; 2: platform bracket; 3: sub-platform; 4: platform support; 5: railing column; 6: guardrail device; 7: platform bracket support; 8: flange one; 10: main platform; 11: sub-flange bracket; 12: flange two; 13: sub-flange base; 14: sub-flange support. DETAILED DESCRIPTION

[0022] Preferred Embodiments

[0023] A two-stage maintenance platform for a large-scale marine low-speed diesel engine, characterized in that it comprises a main platform 10 and an auxiliary platform 3, wherein the auxiliary platform 3 is detachably arranged at the lower part of the main platform 10;

[0024] The main platform 10 includes: a platform 1, a platform bracket 2, a platform support 4, a railing column 5, a guardrail device 6, a platform bracket support 7, and a flange 8; wherein: the platform 1 is a rectangular disc, the platform support 4 is 2, respectively welded to the lower part of the two opposite sides of the platform 1, and there are 4 platform brackets 2; one end of the 4 platform brackets 2 is respectively arranged at the four corners of the platform 1, and is fixedly connected with the platform support 4 by bolts; the two ends of the platform bracket support 7 are respectively fixedly connected between the two platform brackets 2 by horizontal bolts; there are 4 railing columns 5, respectively arranged at the upper part of the four corners of the platform 1, and are fixedly connected with the platform support 4 by bolts; the guardrail device 6 is fixedly connected and arranged on two adjacent railing columns 5 by bolts, and 4 flanges 8 are respectively arranged at the lower part of the 4 platform brackets 2;

[0025] The auxiliary platform 3 includes: an auxiliary flange bracket 11, a flange 2 12, an auxiliary flange base 13, and an auxiliary flange support 14, wherein: there are 4 auxiliary flange brackets 11, and 4 flange 2s 12 are respectively fixedly connected to one end of the auxiliary flange bracket 11; there are 4 auxiliary flange bases 13, which are respectively fixedly connected to the other end of the auxiliary flange bracket 11; there are 2 auxiliary flange supports 14, which are respectively horizontally fixedly connected between the two auxiliary flange brackets 11.

[0026] The platform bracket 2 and the secondary flange bracket 11 are both U-shaped steel.

[0027] There are 4 to 8 platform bracket supports 7 equidistantly arranged between two platform brackets 2 , and the spacing between each platform bracket support 7 is 35 cm to 45 cm.

[0028] The platform bracket support 7 is a rectangular steel plate, and square connecting sheet structures are welded at both ends of the platform bracket support 7. The two ends of the platform bracket support 7 are bolted between the two platform brackets 2 through the square connecting sheet structures.

[0029] The guardrail device 6 is a U-shaped tubular structure.

[0030] The flange 1 8 and the flange 2 12 have the same shape and size, and are both square structures.

[0031] Four corresponding holes are arranged at the four corners of the flange 1 8 and the flange 2 12 , and the flange 1 8 and the flange 2 12 are bolted to each other through the four corresponding holes arranged at the four corners of the flange 1 8 and the flange 2 12 .

[0032] The guardrail device 6 on the main platform 10 is used to enhance safety. The main platform 10 and the auxiliary platform 3 are connected and fixed by 16 sets of bolts and nuts to improve the connection stability. By replacing the auxiliary platforms 3 of different heights, when repairing the SCR valve components of different models, the auxiliary platforms 3 of appropriate heights can be selected for replacement and connection, avoiding the problem that the SCR valve component repair platform tooling cannot be used due to height changes. With this device, the SCR valve component repair platform of marine low-speed diesel engines of various cylinder diameters can be easily adapted to climb, providing safe and reliable climbing tooling for marine diesel engine climbing construction operations, improving construction safety and construction efficiency, and saving manufacturing costs. This device is suitable for the assembly and maintenance platform of SCR valve components for marine low-speed diesel engines of various cylinder diameters. It effectively solves the problem of poor versatility of the SCR valve component repair platform tooling and improves the scope of application of the repair platform.

Claims

1. A two-stage maintenance platform for large-scale marine low-speed diesel engines, characterized by: It comprises a main platform (10) and a secondary platform (3), wherein the secondary platform (3) is detachably arranged at the lower part of the main platform (10); The main platform (10) comprises: a platform (1), a platform bracket (2), a platform support (4), a railing column (5), a guardrail device (6), a platform bracket support (7), and a flange (8); wherein: the platform (1) is in the shape of a rectangular disk, the platform supports (4) are two, respectively welded to the lower parts of two opposite sides of the platform (1), and the platform brackets (2) are four; one end of the four platform brackets (2) is respectively arranged at the four corners of the platform (1) and fixedly connected to the platform support (4) by bolts; the two ends of the platform bracket support (7) are respectively fixedly connected between the two platform brackets (2) by horizontal bolts; there are four railing columns (5), respectively arranged at the upper parts of the four corners of the platform (1) and fixedly connected to the platform support (4) by bolts; the guardrail device (6) is bolted and fixedly connected to two adjacent railing columns (5), and four flanges (8) are respectively arranged at the lower parts of the four platform brackets (2); The auxiliary platform (3) comprises: an auxiliary flange bracket (11), a second flange (12), an auxiliary flange base (13), and an auxiliary flange support (14), wherein: there are four auxiliary flange brackets (11), four flanges (12) are respectively fixedly connected to one end of the auxiliary flange bracket (11); there are four auxiliary flange bases (13) are respectively fixedly connected to the other end of the auxiliary flange bracket (11); there are two auxiliary flange supports (14), which are respectively fixedly connected horizontally between the two auxiliary flange brackets (11).

2. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 1 is characterized in that: The platform bracket (2) and the secondary flange bracket (11) are both U-shaped steel.

3. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 1 or 2, characterized in that: There are 4 to 8 platform bracket supports (7), which are arranged at equal distances between two platform brackets (2), and the spacing between each platform bracket support (7) is 35 cm to 45 cm.

4. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 3 is characterized in that: The platform bracket support (7) is a rectangular steel plate, and square connecting sheet structures are welded at both ends of the platform bracket support (7). The two ends of the platform bracket support (7) are bolted to the two platform brackets (2) through the square connecting sheet structures.

5. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 4 is characterized in that: The guardrail device (6) is a U-shaped tubular structure.

6. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 1 or 4, characterized in that: The flange 1 (8) and flange 2 (12) have the same shape and size, and both are square structures.

7. The two-stage maintenance platform for large marine low-speed diesel engines according to claim 6 is characterized in that: Four corresponding holes are arranged at the four corners of the flange one (8) and the flange two (12), and the flange one (8) and the flange two (12) are bolted to each other through the four corresponding holes arranged at the four corners of the flange one (8) and the flange two (12).

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