Nuclear power diesel engine carrying system and nuclear power diesel engine carrying method

Abstract

The invention discloses a nuclear power diesel engine carrying system and a nuclear power diesel engine carrying method, and the nuclear power diesel engine carrying system comprises a driving device which is used for being connected with the front end of a base of a nuclear power diesel engine and is used for carrying the nuclear power diesel engine; and the driven device is used for being connected with the rear end of a base of the nuclear power diesel engine so as to be matched with the driving device to carry the nuclear power diesel engine together. By applying the nuclear power diesel engine carrying system and the nuclear power diesel engine carrying method, the working efficiency can be effectively improved, the manpower resource cost is saved, the maintenance work safety is improved, the maintenance quality is improved, and the overhaul period is shortened.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nuclear power technology, and in particular to a nuclear power diesel engine carrying system and a nuclear power diesel engine carrying method. BACKGROUND

[0002] The main power components of the diesel engine are worn out with running time, and the internal rubber parts are gradually aged over time. According to the requirements of the maintenance manual, small and medium-sized diesel engines need to be disassembled and refurbished regularly and returned to the factory for maintenance. According to the feedback of multiple users, major damage to the power components has occurred during the operation of the diesel engine, and the on-site conditions do not meet the maintenance requirements. The overall replacement of the diesel generator set is the best solution.

[0003] Regardless of preventive maintenance or corrective maintenance, there is a need to replace the diesel engine as a whole. The traditional diesel engine replacement is moved by manual rolling lever. This method has no power drive and relies entirely on human power. The advancing force and distance are not easy to control. In addition, manual prying and diesel engine shifting operations have a risk of rollover. In addition, the diesel engine is heavy and is usually installed inside the factory building, so there is not enough space for hoisting tools. Overall, the traditional diesel engine carrying method has the disadvantages of violent disassembly, high risk, poor safety, low efficiency, long time consumption, and uncontrollable quality, and is difficult to carry. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a nuclear power diesel engine carrying system and a nuclear power diesel engine carrying method to solve the problem of diesel engine carrying in the related art.

[0005] The technical solution adopted by the present application to solve the technical problem is: a nuclear power diesel engine carrying system is constructed, comprising:

[0006] A driving device is used to connect with the front end of the base of the nuclear power diesel engine, and is used to carry the nuclear power diesel engine.

[0007] A driven device is used to connect with the rear end of the base of the nuclear power diesel engine, and is used to carry the nuclear power diesel engine together with the driving device.

[0008] In some embodiments, the driving device comprises:

[0009] The mounting mechanism is used for connecting with the base of the nuclear power diesel engine, and comprises a first cross beam, a second cross beam, a first connecting support, a second connecting support, a first baffle, a second baffle, a first pull rod and a second pull rod, the first cross beam is located on the upper surface of the base, the second cross beam is located on the lower surface of the base, and the second cross beam is located on the front ends of two foot supports in the same horizontal plane connected with the base; the first connecting support connects the first end of the first cross beam and the second cross beam, the second connecting support connects the second end of the first cross beam and the second cross beam; the first baffle and the second baffle are respectively located on the rear ends of the two foot supports, the first pull rod connects the first baffle and the second cross beam, and the second pull rod connects the second baffle and the second cross beam.

[0010] The electric tank trolley is detachably connected with the second cross beam.

[0011] In some embodiments, the first baffle is in an L shape, the first baffle is oppositely arranged with the first end of the second cross beam, and the first pull rod connects the first baffle and the first end of the second cross beam.

[0012] The second baffle is in an L shape, the second baffle is oppositely arranged with the second end of the second cross beam, and the second pull rod connects the second baffle and the second end of the second cross beam.

[0013] In some embodiments, the first cross beam is provided with a first pad plate spaced apart from the lower surface close to the first end thereof, and is provided with a second pad plate spaced apart from the lower surface close to the second end thereof.

[0014] The second cross beam is provided with two third pad plates spaced apart from the upper surface close to the first end thereof, and a first groove is formed between the two third pad plates, and is provided with two fourth pad plates spaced apart from the upper surface close to the second end thereof, and a second groove is formed between the two fourth pad plates.

[0015] The first groove and the second groove are oppositely arranged with the welding seam of the base.

[0016] In some embodiments, the driven device comprises:

[0017] The connecting mechanism is used for connecting with the base of the nuclear power diesel engine, and comprises a first limiting beam, a second limiting beam, a first support and a second support, the first limiting beam is located on the upper surface of the base, the second limiting beam is located on the lower surface of the base, the first support connects the first end of the first limiting beam and the second limiting beam, and the second support connects the second end of the first limiting beam and the second limiting beam.

[0018] A driven mechanism, the driven mechanism comprising a frame and a plurality of moving wheels arranged in the frame, the frame being detachably connected with the second limiting beam.

[0019] In some embodiments, the first limiting beam is spaced apart from two first protective pads near the lower surface of the first end of the first limiting beam, a first avoiding slot being formed between the two first protective pads, the first limiting beam is spaced apart from two second protective pads near the lower surface of the second end of the first limiting beam, a second avoiding slot being formed between the two second protective pads.

[0020] The second limiting beam is spaced apart from two third protective pads near the upper surface of the first end of the second limiting beam, a third avoiding slot being formed between the two third protective pads, the second limiting beam is spaced apart from two fourth protective pads near the upper surface of the second end of the second limiting beam, a fourth avoiding slot being formed between the two fourth protective pads.

[0021] The first avoiding slot, the second avoiding slot, the third avoiding slot and the fourth avoiding slot are arranged opposite to the weld of the base.

[0022] In some embodiments, the nuclear power diesel engine carrying system further comprises a plurality of lifting devices, the lifting devices being used to be connected with the base to lift the nuclear power diesel engine to a predetermined position.

[0023] In some embodiments, the nuclear power diesel engine carrying system further comprises a sleeper supporting device, the sleeper supporting device comprising a first sleeper assembly, a second sleeper assembly, a third sleeper assembly, a fourth sleeper assembly and a fifth sleeper assembly arranged from top to bottom.

[0024] The first sleeper assembly and the second sleeper assembly are extended out of the nuclear power diesel engine factory, the third sleeper assembly, the fourth sleeper assembly and the fifth sleeper assembly are arranged outside the nuclear power diesel engine factory and close to the entrance of the nuclear power diesel engine factory.

[0025] The application further discloses a nuclear power diesel engine carrying method applied to the nuclear power diesel engine carrying system of any of the above-mentioned embodiments, the method comprising the following steps.

[0026] S10: connecting the driving device with the front end of the base of the nuclear power diesel engine, and connecting the driven device with the rear end of the base of the nuclear power diesel engine.

[0027] S20: controlling the driving device to carry the nuclear power diesel engine out of the nuclear power diesel engine factory, or controlling the driving device to carry the nuclear power diesel engine into the nuclear power diesel engine factory.

[0028] In some embodiments, before step S10, the method further comprises:

[0029] S01: connecting a lifting device with the base to lift the nuclear power diesel engine to a predetermined position.

[0030] The application has the following beneficial effects: the nuclear power diesel engine carrying system and the nuclear power diesel engine carrying method can effectively improve work efficiency, save labor resource cost, improve maintenance work safety, improve maintenance quality, and shorten overhaul period. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the present application, the present application will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0032] Figure 1 is one of the application diagrams of the nuclear power diesel engine carrying system in some embodiments of the present application;

[0033] Figure 2 is the second application diagram of the nuclear power diesel engine carrying system in some embodiments of the present application;

[0034] Figure 3 is the third application diagram of the nuclear power diesel engine carrying system in some embodiments of the present application;

[0035] Figure 4 is the fourth application diagram of the nuclear power diesel engine carrying system in some embodiments of the present application;

[0036] Figure 5 is one of the structure diagrams of the driving device in some embodiments of the present application;

[0037] Figure 6 is the second structure diagram of the driving device in some embodiments of the present application;

[0038] Figure 7 is the third structure diagram of the driving device in some embodiments of the present application;

[0039] Figure 8 is the fourth structure diagram of the driving device in some embodiments of the present application;

[0040] Figure 9 is one of the structure diagrams of the driven device in some embodiments of the present application;

[0041] Figure 10 is the second structure diagram of the driven device in some embodiments of the present application;

[0042] Figure 11Fig. 3 is a schematic view of a structure of a driven device in some embodiments of the present application;

[0043] Figure 12 Fig. 4 is a schematic view of a structure of a connecting seat in some embodiments of the present application;

[0044] Figure 13 Fig. 5 is a schematic view of a structure of a tie support device in some embodiments of the present application. DETAILED DESCRIPTION

[0045] In order to make the technical features, objectives and effects of the present application more clearly understood, the specific embodiments of the present application will be described in detail below. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "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 technical solutions, and should not be understood as indicating that the devices or elements indicated must have a particular direction, and therefore should not be understood as limiting the present application.

[0046] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood broadly, 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 "under" another element, the element can be "directly" or "indirectly" located on 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 should not be understood as indicating or implying relative importance or implicitly indicating the number of the 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.

[0047] 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. 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.

[0048] ReferenceFigures 1 to 13 The present application shows a nuclear power diesel engine carrying system, comprising: a driving device and a driven device. The driving device is used to connect with the front end of the base 101 of the nuclear power diesel engine 100, and is used to carry the nuclear power diesel engine 100. The driven device is used to connect with the rear end of the base 101 of the nuclear power diesel engine 100, and is used to carry the nuclear power diesel engine 100 together with the driving device.

[0049] In some embodiments, the present application shows a driving device, which can be used to carry the nuclear power diesel engine 100 out of the nuclear power diesel engine plant, and can also be used to carry the new nuclear power diesel engine or the overhauled nuclear power diesel engine into the nuclear power diesel engine plant.

[0050] The driving device comprises a mounting mechanism 10 and an electric tank carrier 20. The mounting mechanism 10 is used to connect with the base 101 of the nuclear power diesel engine 100, and is mainly connected with the front end of the base 101. The base 101 is generally in the form of a rectangular frame structure.

[0051] The mounting mechanism 10 can comprise a first cross beam 11, a second cross beam 12, a first connecting bracket 13, a second connecting bracket 14, a first baffle 15, a second baffle 16, a first pull rod 17 and a second pull rod 18. The first cross beam 11 is located on the upper surface of the base 101, the second cross beam 12 is located on the lower surface of the base 101, and the second cross beam 12 is located at the front end of the two foot supports 102 which are connected with the base 101 at the same horizontal plane. The first connecting bracket 13 connects the first end of the first cross beam 11 and the second cross beam 12, and the second connecting bracket 14 connects the second end of the first cross beam 11 and the second cross beam 12. The first baffle 15 and the second baffle 16 are respectively located at the rear end of the two foot supports 102. The first pull rod 17 connects the first baffle 15 and the second cross beam 12, and the second pull rod 18 connects the second baffle 16 and the second cross beam 12. The electric tank carrier 20 is detachably connected with the second cross beam 12, and is used to transport the nuclear power diesel engine 100. The rear end of the base 101 can be installed with the driven device or the driving device, that is, the nuclear power diesel engine 100 can be carried by the driving devices arranged at the front and rear ends. Preferably, the electric tank carrier 20 is connected with the middle part of the second cross beam 12, so as to improve the balance.

[0052] The driving device is applied as follows: the mounting mechanism 10 is installed on the base 101 of the nuclear power diesel engine 100, and the carrying operation of the nuclear power diesel engine 100 is realized by the electric tank carrier 20. The overall structure of the driving device is relatively simple, the manufacturing cost is low, the operation is relatively convenient, and the practicability is good.

[0053] Reference Figures 5 to 8In some embodiments, the first baffle plate 15 is in an L-shaped structure, and is arranged opposite to the first end of the second cross beam 12. The first pull rod 17 connects the first baffle plate 15 and the first end of the second cross beam 12. The first pull rod 17 can be a screw rod, for example, and can be used to connect the first baffle plate 15 and the second cross beam 12, so that the first baffle plate 15 and the second cross beam 12 can hold the pedestal 102, and the mounting mechanism 10 can be fixed to the nuclear diesel engine 100.

[0054] Similarly, the second baffle plate 16 is in an L-shaped structure, and is arranged opposite to the second end of the second cross beam 12. The second pull rod 18 connects the second baffle plate 16 and the second end of the second cross beam 12. The second pull rod 18 can be a screw rod, for example, and can be used to connect the second baffle plate 16 and the second cross beam 12, so that the second baffle plate 16 and the second cross beam 12 can hold the pedestal 102, and the mounting mechanism 10 can be fixed to the nuclear diesel engine.

[0055] Referring to Figures 5 to 8 In some embodiments, the first cross beam 11 is provided with a first pad plate 111 on the lower surface near the first end, and is provided with a second pad plate 112 on the lower surface near the second end. The first pad plate 111 and the second pad plate 112 can be rectangular plates. The first pad plate 111 and the second pad plate 112 can be steel plates.

[0056] The second cross beam 12 is provided with two third pad plates 121 on the upper surface near the first end, and the two third pad plates 121 form a first groove 122 therebetween. The second cross beam 12 is provided with two fourth pad plates 123 on the upper surface near the second end, and the two fourth pad plates 123 form a second groove 124 therebetween. The first groove 122 and the second groove 124 are arranged opposite to the welds of the base 101, so that when the second cross beam 12 is installed at the bottom of the front end of the base 101, the second cross beam 12 will not scratch the welds of the base 101. The third pad plates 121 and the fourth pad plates 123 can be steel plates.

[0057] Referring to Figures 5 to 8In some embodiments, the first end of the first cross beam 11 is provided with a first connecting plate 113, and the second end of the first cross beam 11 is provided with a second connecting plate 114; the upper end of the first connecting support 13 is provided with a third connecting plate 131 which is detachably connected with the first connecting plate 113, and the upper end of the second connecting support 14 is provided with a fourth connecting plate 141 which is detachably connected with the second connecting plate 114. The first connecting plate 113 and the third connecting plate 131 can be fixed by screw connection, for example, by fastening a bolt with a nut. The second connecting plate 114 and the fourth connecting plate 141 can be fixed by screw connection, for example, by fastening a bolt with a nut. By using screw connection, it is convenient to disassemble and assemble the mounting mechanism 10 and replace the components.

[0058] Referring to Figures 5 to 8 In some embodiments, the lower end of the first connecting support 13 is provided with a fifth connecting plate 132 which is connected with the upper surface of the first end of the second cross beam 12, and the lower end of the second connecting support 14 is provided with a sixth connecting plate 142 which is connected with the upper surface of the second end of the second cross beam 12. The first connecting support 13 and the second connecting support 14 can have the same structure, both of which can be rectangular frame structures, the fifth connecting plate 132 can be the bottom plate of the first connecting support 13, and the sixth connecting plate 142 can be the bottom plate of the second connecting support 14.

[0059] The sixth connecting plate 142 can be fixed with the upper surface of the first end of the second cross beam 12 by screw connection, for example, by fastening a bolt with a nut. Similarly, the sixth connecting plate 142 can be fixed with the upper surface of the second end of the second cross beam 12 by screw connection, for example, by fastening a bolt with a nut. By using screw connection, it is convenient to disassemble and assemble the mounting mechanism 10.

[0060] Referring to Figures 5 to 8 In some embodiments, the front and rear side plates of the first end of the first cross beam 11 are respectively provided with first connecting ear plates 115, the front and rear side plates of the first connecting support 13 are respectively provided with second connecting ear plates 133 which are connected with the first connecting ear plates 115, and the first connecting ear plates 115 and the second connecting ear plates 133 can be fixed by screw connection, for example, by fastening a bolt or a screw. The front and rear side plates of the second end of the first cross beam 11 are respectively provided with third connecting ear plates 116, the front and rear side plates of the second connecting support 14 are respectively provided with fourth connecting ear plates 143 which are connected with the third connecting ear plates 116, and the third connecting ear plates 116 and the fourth connecting ear plates 143 can be fixed by screw connection, for example, by fastening a bolt or a screw. The above-mentioned connecting ear plates all have L-shaped structures.

[0061] Referring toFigures 5 to 8 In some embodiments, the mounting mechanism 10 further comprises a plurality of fixed supports 19, the plurality of fixed supports 19 are arranged along the length direction of the first cross beam 11, and the plurality of fixed supports 19 connect the lower surface of the first cross beam 11 and the upper surface of the second cross beam 12. Since the base 101 is substantially a rectangular frame structure, the fixed supports 19 can be located in the inner cavity of the base 101, and are used to connect the first cross beam 11 and the second cross beam 12, so as to improve the overall structural rigidity of the mounting mechanism 10 and improve the stability of the entire mounting mechanism 10.

[0062] Referring to Figures 5 to 8 In some embodiments, each fixed support 19 comprises a first fixed plate 191 and a second fixed plate 192, the first fixed plate 191 and the second fixed plate 192 are arranged in parallel and are spaced apart, and the fixed support 19 further comprises a support plate 193 connecting the first fixed plate 191 and the second fixed plate 192; the first fixed plate 191 is connected to the lower surface of the first cross beam 11, for example, by threaded connection, which can be fixed by bolts or screws. The second fixed plate 192 is connected to the upper surface of the second cross beam 12, for example, by threaded connection, which can be fixed by bolts or screws. The threaded connection facilitates the disassembly and assembly of the fixed support 19.

[0063] Referring to Figures 5 to 8 In some embodiments, the number of support plates 193 of each fixed support 19 is at least two, and the at least two support plates 193 are arranged in parallel and are spaced apart. Of course, the number of support plates 193 of each fixed support 19 can also be one, and the number can be selected according to the structural size of the support plate 193.

[0064] In some embodiments, each fixed support 19 is an integral structure. The fixed support 19 can be made of stainless steel, or the fixed support 19 can also be made of other metal materials, as long as the structural strength is met, which is not limited here.

[0065] In some embodiments, the front and rear ends of the second cross beam 12 are respectively provided with a plurality of connection limiting plates 125, the connection limiting plates 125 are connected to the top disc 21 of the electric tank transporter 20, and the connection limiting plates 125 can be connected to the top disc 21 of the electric tank transporter 20 by fastening bolts or fastening screws. The threaded connection facilitates the connection of the connection limiting plates 125 and the top disc 21 of the electric tank transporter 20.

[0066] In some embodiments, the first cross beam 11 can be a square tube structure, and the second cross beam 12 can be a square tube structure or a round tube structure. The first cross beam 11, the second cross beam 12, the first connecting bracket 13, the second connecting bracket 14, the first baffle 15 and the second baffle 16 can be made of steel. The materials, structures and sizes of the first cross beam 11, the second cross beam 12, the first connecting bracket 13, the second connecting bracket 14, the first baffle 15 and the second baffle 16 can be selected according to actual needs, which are not limited here.

[0067] In some embodiments, the present application shows a driven device which can cooperate with a driving device to carry the nuclear diesel engine 100. Figures 9 to 11 As shown in the drawings, in some embodiments, the present application shows a driven device which can cooperate with a driving device to carry the nuclear diesel engine 100.

[0068] In some embodiments, the driven device includes a connecting mechanism 30 and a driven mechanism 40.

[0069] The connecting mechanism 30 is used to connect with the base 101 of the nuclear diesel engine 100, and the connecting mechanism 30 is mainly connected with the rear end of the base 101. The front end of the base 101 can be installed with a driving device. The connecting mechanism 30 can include a first limiting beam 31, a second limiting beam 32, a first bracket 33 and a second bracket 34. The first limiting beam 31 is located on the upper surface of the base 101, and the second limiting beam 32 is located on the lower surface of the base 101. The first bracket 33 connects the first end of the first limiting beam 31 and the second limiting beam 32, and the second bracket 34 connects the second end of the first limiting beam 31 and the second limiting beam 32 to be clamped and fixed relative to the base 101.

[0070] The driven mechanism 40 includes a frame 41 and a plurality of moving wheels 42 arranged in the frame 41. The frame 41 is detachably connected with the second limiting beam 32.

[0071] The driven device is applied as follows: when the nuclear diesel engine 100 needs to be carried, the connecting mechanism 30 is fixed relative to the base 101 of the nuclear diesel engine 100, and then the driven mechanism 40 assists in transporting the nuclear diesel engine 100 under the traction of the electric tank transporter 20 (i.e. the driving device). Only one electric tank transporter 20 (i.e. the driving device) is needed to be arranged through the driven device, so that the transportation operation of the nuclear diesel engine 100 is more convenient, and the operation accuracy can be improved. In addition, the driven device has a relatively simple structure, low manufacturing cost and low use cost, good economy, and convenient installation, which can improve the operation efficiency.

[0072] In some embodiments, the present application shows a driven device which can cooperate with a driving device to carry the nuclear diesel engine 100. Figures 9 to 11As shown, in some embodiments, the first limiting beam 31 is provided with two first protective pads 311 spaced apart on the lower surface near the first end thereof, the two first protective pads 311 are spaced apart along the length direction of the first limiting beam 31, and a first avoiding slot 312 is formed between the two first protective pads 311. The first limiting beam 31 is provided with two second protective pads 313 spaced apart on the lower surface near the second end thereof, the two second protective pads 313 are spaced apart along the length direction of the first limiting beam 31, and a second avoiding slot 314 is formed between the two second protective pads 313. The first protective pads 311 and the second protective pads 313 can be welded to the lower surface of the first limiting beam 31, and the first protective pads 311 and the second protective pads 313 can be rectangular steel plates.

[0073] Similarly, the second limiting beam 32 is provided with two third protective pads 321 spaced apart on the upper surface near the first end thereof, the two third protective pads 321 are spaced apart along the length direction of the second limiting beam 32, and a third avoiding slot 322 is formed between the two third protective pads 321. The second limiting beam 32 is provided with two fourth protective pads 323 spaced apart on the upper surface near the second end thereof, the two fourth protective pads 323 are spaced apart along the length direction of the second limiting beam 32, and a fourth avoiding slot 324 is formed between the two fourth protective pads 323. The third protective pads 321 and the fourth protective pads 323 can be welded to the upper surface of the second limiting beam 32, and the third protective pads 321 and the fourth protective pads 323 can be rectangular steel plates. The size specifications of the first protective pads 311, the second protective pads 313, the third protective pads 321, and the fourth protective pads 323 can be 120mmx60mmx5mm.

[0074] Among them, the first avoiding slot 312, the second avoiding slot 314, the third avoiding slot 322, and the fourth avoiding slot 324 are arranged opposite to the weld of the base 101 to avoid damage to the weld.

[0075] In combination Figures 9 to 11As shown, in some embodiments, the first limiting beam 31 is provided with a first positioning connecting plate 335 at the first end thereof and a second positioning connecting plate 336 at the second end thereof, which can be arranged perpendicularly to the upper surface of the first limiting beam 31. The upper end of the first support 33 is provided with a third positioning connecting plate 331 which is detachably connected to the first positioning connecting plate 335, and the upper end of the second support 34 is provided with a fourth positioning connecting plate 341 which is detachably connected to the second positioning connecting plate 336. The first positioning connecting plate 335 and the third positioning connecting plate 331 can be fixed by screw connection, for example, by fastening bolts and nuts. Similarly, the second positioning connecting plate 336 and the fourth positioning connecting plate 341 can be fixed by screw connection, for example, by fastening bolts and nuts, so as to facilitate the disassembly and assembly of the first limiting beam 31 and the first support 33 and the second support 34, improve the operation convenience, and facilitate the replacement of parts.

[0076] In combination Figures 9 to 11 As shown, in some embodiments, the lower end of the first support 33 is provided with a fifth positioning connecting plate 332 which is connected to the upper surface of the first end of the second limiting beam 32, and the lower end of the second support 34 is provided with a sixth positioning connecting plate 342 which is connected to the upper surface of the second end of the second limiting beam 32.

[0077] The first support 33 and the second support 34 can have the same structure, both of which can be rectangular frame structures, the fifth positioning connecting plate 332 can be the bottom plate of the first support 33, and the sixth positioning connecting plate 342 can be the bottom plate of the second support 34.

[0078] The sixth positioning connecting plate 342 can be fixed to the upper surface of the first end of the second limiting beam 32 by screw connection, for example, by fastening bolts and nuts. Similarly, the sixth positioning connecting plate 342 can be fixed to the upper surface of the second end of the second limiting beam 32 by screw connection, for example, by fastening bolts and nuts. Screw connection is adopted so as to facilitate the disassembly and assembly of the second limiting beam 32 and the first support 33 and the second support 34, improve the operation convenience, and facilitate the replacement of parts.

[0079] In combination Figures 9 to 11As shown, in some embodiments, the front and rear side plates of the first end of the first limiting beam 31 are respectively provided with first limiting fixed plates 317, the front and rear side plates of the first support 33 are respectively provided with second limiting fixed plates 333 connected with the first limiting fixed plates 317, and the first limiting fixed plates 317 and the second limiting fixed plates 333 can be fixed by screw connection, for example, by fastening bolts or fastening screws.

[0080] In combination Figures 9 to 11 As shown, in some embodiments, the connecting mechanism 30 further comprises a plurality of reinforcing supports 35, the plurality of reinforcing supports 35 are arranged at intervals along the length direction of the first limiting beam 31, and the plurality of reinforcing supports 35 connect the lower surface of the first limiting beam 31 and the upper surface of the second limiting beam 32. Since the base 101 is substantially a rectangular frame structure, the reinforcing supports 35 can be located in the inner cavity of the base 101, used to connect the first limiting beam 31 and the second limiting beam 32, so as to improve the overall structural rigidity of the connecting mechanism 30 and improve the stability of the entire connecting mechanism 30.

[0081] In combination Figures 9 to 11 As shown, in some embodiments, each of the reinforcing supports 35 comprises a first fixed connecting plate 351 and a second fixed connecting plate 352, the first fixed connecting plate 351 and the second fixed connecting plate 352 are arranged in parallel at intervals, and the reinforcing support 35 further comprises a vertical plate 353 connecting the first fixed connecting plate 351 and the second fixed connecting plate 352; the first fixed connecting plate 351 is connected with the lower surface of the first limiting beam 31, for example, by screw connection, which can be fixed by bolts or screws. The second fixed connecting plate 352 is connected with the upper surface of the second limiting beam 32, for example, by screw connection, which can be fixed by bolts or screws. The screw connection facilitates the disassembly and assembly of the reinforcing support 35.

[0082] In combination Figures 9 to 11 As shown, in some embodiments, the number of the vertical plates 353 of each of the reinforcing supports 35 is at least two, and the at least two vertical plates 353 are arranged in parallel at intervals. Of course, the number of the vertical plates 353 of each of the reinforcing supports 35 can also be one, which can be selected according to the structural size of the vertical plate 353.

[0083] In some embodiments, each of the reinforcing supports 35 is an integral structure. The reinforcing supports 35 can be made of stainless steel, or can be made of other metal materials as long as the structural strength is met, which is not specifically limited here.

[0084] In combination Figures 9 to 12 As shown in some embodiments, the frame 41 is provided with a connecting seat 411, which includes a bottom plate 4111, a first side plate 4112 and a second side plate 4113 provided on the bottom plate 4111 and arranged in parallel and spaced apart, a bearing plate 4114 arranged in parallel and spaced apart with the bottom plate 4111 and connecting the first side plate 4112 and the second side plate 4113, and a limiting groove formed between the first side plate 4112, the bearing plate 4114 and the second side plate 4113. The bottom plate 4111 is connected with the frame 41. The second limiting beam 32 is installed in the limiting groove. The driven mechanism 40 further includes a fastener 36 connected with the first side plate 4112, the second limiting beam 32 and the second side plate 4113. The fastener 36 can include a fastening bolt or a fastening screw, which can be locked with a nut.

[0085] In some embodiments, the first limiting beam 31 is a square tube, and the second limiting beam 32 is a day-shaped tube. The first limiting beam 31, the second limiting beam 32, the first support 33 and the second support 34 can be made of steel. The materials, structures and sizes of the first limiting beam 31, the second limiting beam 32, the first support 33 and the second support 34 can be selected and set according to actual needs, which are not specifically limited here.

[0086] In some embodiments, the number of the driven mechanisms 40 is at least two, for example, the number of the driven mechanisms 40 can be two, and the two driven mechanisms 40 are arranged in spaced apart to improve the carrying capacity. Each of the frames 41 of the driven mechanisms 40 can be provided with three moving wheel sets, each of the moving wheel sets is provided with three moving wheels 42, and each of the moving wheel sets is installed by an installation shaft. Further, the frame 41 can be provided with a plurality of installation cavities, and each of the installation cavities is provided with a moving wheel 42.

[0087] As Figures 1 to 4As shown, in some embodiments, the nuclear power diesel engine carrying system further comprises a plurality of lifting devices 50 for connecting with the base 101 to lift the nuclear power diesel engine 100 to a predetermined position. The lifting device 50 can be a jack comprising four jacks respectively installed at four corners of the base 101, the supporting claws of the jacks are in contact with the load-bearing parts of the nuclear power diesel engine 100, then the screws connecting the base 101 with the base 103 are disassembled, specifically, the 32 foundation bolts of the base 101 are disassembled one by one, then the nuclear power diesel engine 100 is lifted by about 90 millimeters by synchronously operating the four jacks by four workers, and then the driving device and the driven device are installed. After the driving device and the driven device are installed, it is checked whether the fasteners such as screws, bolts, and nuts are tightened in place, then the lifting device 50 (such as the jack) is slowly tried to be unloaded, and after the lifting device 50 (such as the jack) is completely unloaded, the lifting device 50 (such as the jack) is removed. The jack includes but is not limited to a claw jack, and the selection of the jack is determined according to the height of the equipment base and the weight of the nuclear power diesel engine 100. Preferably, the specifications of the two jacks installed at the front end of the base 101 can be: 20T (claw 10T) claw jacks. The specifications of the two jacks installed at the rear end of the base 101 can be: 10T (claw 5T) claw jacks.

[0088] In some embodiments, referring to Figure 1 、 Figure 2 and Figure 13 , the nuclear power diesel engine carrying system further comprises a sleeper support device 60 comprising a first sleeper assembly 61, a second sleeper assembly 62, a third sleeper assembly 63, a fourth sleeper assembly 64, and a fifth sleeper assembly 65 arranged from top to bottom.

[0089] The first sleeper assembly 61 and the second sleeper assembly 62 extend out of the nuclear power diesel engine plant, and the parts of the first sleeper assembly 61 and the second sleeper assembly 62 located in the nuclear power diesel engine plant can be laid on the base 103 of the nuclear power diesel engine 100. The third sleeper assembly 63, the fourth sleeper assembly 64, and the fifth sleeper assembly 65 are all located outside the nuclear power diesel engine plant and close to the entrance of the nuclear power diesel engine plant.

[0090] The first sleeper assembly 61 comprises seven first sleepers 611 extending along a first direction, and the seven first sleepers 611 are arranged side by side along a second direction; the second sleeper assembly 62 comprises twenty second sleepers 621 extending along the second direction, and the twenty second sleepers 621 are arranged side by side along the first direction, and six second sleepers 621 are located inside the nuclear power diesel engine plant, and fourteen second sleepers 621 are located outside the nuclear power diesel engine plant; the third sleeper assembly 63 comprises seven third sleepers 631 extending along the first direction, and the seven third sleepers 631 are arranged side by side along the second direction.

[0091] The fourth sleeper assembly 64 comprises fourteen fourth sleepers 641 extending along the second direction, and the fourteen fourth sleepers 641 are arranged side by side along the first direction.

[0092] The fifth sleeper assembly 65 comprises seven fifth sleepers 651 extending along the first direction, and the seven fifth sleepers 651 are arranged side by side along the second direction. The first direction can be the moving direction of the nuclear power diesel engine 100 during the moving process, and the second direction can be arranged perpendicularly to the first direction. Alternatively, the first direction is the length direction of the sleeper support device 60 as a whole, and the second direction is the width direction of the sleeper support device 60 as a whole. Alternatively, the first direction is the transverse direction, and the second direction is the longitudinal direction.

[0093] The sleeper support device 60 is applied as follows: when it is needed to move the nuclear power diesel engine 100 out of the nuclear power diesel engine plant, the driving device and the driven device are installed on the nuclear power diesel engine 100, and the sleeper support device 60 is arranged to support the driving device and the driven device, and after the nuclear power diesel engine 100 is moved out of the nuclear power diesel engine plant, the driving device and the driven device are removed, and the nuclear power diesel engine 100 is hoisted to the maintenance area or the placement area. The nuclear power diesel engine 100 includes but is not limited to the LHY diesel engine.

[0094] In some embodiments, the wall of the nuclear power diesel engine plant close to the fan direction is first knocked through according to the size of the nuclear power diesel engine 100 to form an entrance, and the size of the entrance is about 2500mm in height and 2500mm in width. Before laying the sleeper support device 60, the fan and the corresponding pipeline and the like on the wall side are removed to facilitate the laying and moving work. Of course, the sleeper support device 60 can also be laid from the door of the original nuclear power diesel engine plant, that is, the wall of the nuclear power diesel engine plant does not need to be knocked through, which is not limited here.

[0095] In the embodiment, the sleeper supporting device 60 can support the driving device and the driven device to realize the carrying of the nuclear power diesel engine 100. In addition, the sleeper supporting device 60 has relatively simple structure, convenient processing and manufacturing, low manufacturing cost, high economic practicality, and convenient installation and use, and can improve the work efficiency.

[0096] In some embodiments, all the first sleepers 611 have the same size and material, and are closely arranged. Further, each of the first sleepers 611 has a length of 6000 mm, a width of 270 mm, and a height of 100 mm. Of course, in other embodiments, each of the first sleepers 611 has a length of 6000 mm, a width of 300 mm, and a height of 100 mm.

[0097] In some embodiments, all the second sleepers 621 have the same size and material, and are closely arranged. Further, each of the second sleepers 621 has a length of 1890 mm, a width of 300 mm, and a height of 100 mm.

[0098] In some embodiments, all the third sleepers 631 have the same size and material, and are closely arranged. Further, each of the third sleepers 631 has a length of 4200 mm, a width of 270 mm, and a height of 100 mm. Of course, in other embodiments, each of the third sleepers 631 has a length of 4200 mm, a width of 300 mm, and a height of 100 mm.

[0099] In some embodiments, all the fourth sleepers 641 have the same size and material, and are closely arranged. Further, each of the fourth sleepers 641 has a length of 1890 mm, a width of 300 mm, and a height of 100 mm.

[0100] In some embodiments, all the fifth sleepers 651 have the same size and material, and are closely arranged. Further, each of the fifth sleepers 651 has a length of 4200 mm, a width of 270 mm, and a height of 100 mm.

[0101] In some embodiments, the sleeper supporting device 60 further comprises a fixing member 66 for connecting all the first sleepers 611 in the first direction. The fixing member 66 can be a combination of a screw, a nut, and a gasket, which can make the first sleeper assembly 61 more compact. The screw can be an M24 screw. Further, the number of the fixing members 66 can be five, and the distance between adjacent fixing members 66 can be 1350 mm. In some embodiments, the third sleeper assembly 63 can also be reinforced by the fixing member 66.

[0102] Combination Figure 1 and Figure 2 As shown, in some embodiments, the sleeper support device 60 further includes a sealing plate assembly 67, which includes a first sealing plate 671, a second sealing plate 672 and a third sealing plate 673.

[0103] The first sealing plate 671 is installed on one side of the second sleeper assembly 62, the third sleeper assembly 63, the fourth sleeper assembly 64, and the fifth sleeper assembly 65 along the second direction; the second sealing plate 672 is installed on the other side of the second sleeper assembly 62, the third sleeper assembly 63, the fourth sleeper assembly 64, and the fifth sleeper assembly 65 along the second direction; and the third sealing plate 673 is installed on one side of the first sleeper assembly 61, the second sleeper assembly 62, the third sleeper assembly 63, the fourth sleeper assembly 64, and the fifth sleeper assembly 65 along the first direction. The first sealing plate 671, the second sealing plate 672, and the third sealing plate 673 can be fixed with nails. The installation of the sealing plate assembly 671 makes the sleeper support device 60 more level and stable with the road surface, ensuring a flat track for both the active and driven devices and smooth passage. Preferably, the thickness of the first sealing plate 671, the second sealing plate 672, and the third sealing plate 673 is 10mm. In some embodiments, sealing plates may also be provided on the sides of the first sleeper 611 and the second sleeper 621 located in the nuclear power diesel engine building.

[0104] like Figures 1 to 3 As shown, in some embodiments, the sleeper support device 60 further includes a plurality of anchor bolts 68 passing through the first sleeper assembly 61, the second sleeper assembly 62, the third sleeper assembly 63, the fourth sleeper assembly 64, and the fifth sleeper assembly 65 along the height direction, with the lower ends of the anchor bolts 68 driven into the ground for fixation. Preferably, the anchor bolts 68 can be selected as M30X1000 bolts, and the upper ends of the anchor bolts 68 can be tightened with nuts and washers.

[0105] The anchor bolt 68 makes the sleeper support device 60 less prone to displacement and makes the overall structure of the sleeper support device 60 more robust and stable, thereby improving the stability of the passage of the active and driven devices.

[0106] like Figures 1 to 3As shown, in some embodiments, the sleeper support device 60 further includes a pad 69 installed inside the nuclear power diesel engine building and located on the base of the nuclear power diesel engine. The pad 69 extends along a first direction, and its upper surface is flush with the upper surface of the first sleeper assembly 61. Since the base 103 of the nuclear power diesel engine 100 is not high enough, the pad 69 allows the moving device (e.g., an electric tank transporter) to move more smoothly onto the first sleeper assembly 61. The pad 69 can be a rectangular plate, which can be a single piece of wood or a composite board. In some embodiments, the dimensions of the pad 69 are 3300mm x 647mm x 40mm.

[0107] like Figure 3 As shown, in some embodiments, the sleeper support device 60 also includes pads 610 disposed on the base 103 and distributed at the four corners of the nuclear power diesel engine 100. The pads 610 can be used to place the lifting device 50, such as a jack. The dimensions of the pads 610 are 626mm x 397mm x 100mm.

[0108] In this embodiment, the nuclear power diesel engine handling system has the following technical advantages:

[0109] (1) Suitable for narrow space operation. The space on both sides of the nuclear power diesel engine 100 is narrow, and it is difficult for general load-bearing equipment to enter. The exhaust pipe, fire-fighting device, silencer and many other equipment are arranged above the nuclear power diesel engine 100, and there is no place for the lifting device to operate. The lifting device 50, such as the claw jack, can be used to lift the nuclear power diesel engine 100 directly on both sides, which can be achieved in a very small space.

[0110] (2) Applicable to complex environments: The floor of the nuclear power diesel engine 100 plant is mostly made of cover plate, grating plate and other structures, which have poor load-bearing capacity; the space of the nuclear power diesel engine 100 plant is small and there are many devices around the nuclear power diesel engine 100, which are easy to accidentally bump into; the electric tank transport vehicle 20 of the active device and the driven mechanism 40 of the driven device can directly use the cement base 103 at the bottom of the nuclear power diesel engine 100 to achieve longitudinal passage without occupying extra space.

[0111] (3) Ensure equipment safety: The nuclear power diesel engine 100 has a complex structure and a high degree of integration. It has many delicate components arranged around it, and the risk of accidental contact and injury is high. The active device and the driven device can be transported together with the base 101 of the nuclear power diesel engine 100 as a whole, which can avoid the impact of traditional methods such as hoists, forklifts, and personnel on the equipment.

[0112] (4) High mobility: The electric tank transporter 20 with active device can be adjusted arbitrarily in front, behind, left and right, and can change direction 360° to flexibly avoid obstacles on the road.

[0113] (5) Safeguard personnel safety: the electric tank mover 20 or the electric tank mover 20 can be remotely controlled to realize automatic adjustment, thereby maximizing the safety of personnel.

[0114] (6) Save manpower and time: the electric tank mover 20 is driven by electricity and can be turned in any direction, which greatly improves efficiency and saves manpower and time compared with the traditional manual pushing method.

[0115] (7) Good stability: the electric tank mover 20 and the driven mechanism 40 are connected with the nuclear power diesel engine 100 through the mounting mechanism 10 and the connecting mechanism 30, the mounting mechanism 10 and the connecting mechanism 30 are both in the form of truss structure with upper and lower beams, which has large bearing capacity, simple structure, easy production and processing, and convenient installation, and the plurality of moving wheels 42 are symmetrically distributed or distributed along the periphery, thereby being safe and stable.

[0116] The application of the nuclear power diesel engine carrying system can effectively improve work efficiency, save manpower and resource costs, improve maintenance work safety, improve maintenance quality, shorten the overhaul period, and thereby guarantee the reliability of emergency power supply.

[0117] The application further discloses a nuclear power diesel engine carrying method, which applies the nuclear power diesel engine carrying system in the above embodiment and comprises the following steps.

[0118] S10: connecting the driving device with the front end of the base 101 of the nuclear power diesel engine 100, and connecting the driven device with the rear end of the base 101 of the nuclear power diesel engine 100.

[0119] S20: controlling the driving device to carry the nuclear power diesel engine 100 out of the nuclear power diesel engine workshop or controlling the driving device to carry the nuclear power diesel engine 100 into the nuclear power diesel engine workshop, wherein it is checked whether the driving device and the driven device are fixed in the right direction, the walking route and range of the electric tank mover 20 of the driving device are drawn, and the remote controller of the electric tank mover 20 is operated to slowly move the nuclear power diesel engine 100 out of the nuclear power diesel engine workshop.

[0120] In some embodiments, before step S10, the method further comprises:

[0121] S01: Connect the lifting device 50 with the base 101 to lift the nuclear power diesel engine 100 to a predetermined position. The lifting device 50 is used to connect with the base 101 to lift the nuclear power diesel engine 100 to a predetermined position. The lifting device 50 can be four jacks including four jacks respectively installed at four diagonal corners of the base 101, the supporting claws of the jacks are in contact with the load-bearing parts of the nuclear power diesel engine 100, then the screws connecting the base 101 with the base 103 are disassembled, specifically, 32 foundation bolts of the base 101 are disassembled one by one, then the nuclear power diesel engine 100 is lifted about 90mm by synchronously operating the four jacks by four workers, and then the driving device and the driven device are installed. After the driving device and the driven device are installed, it is checked whether the fasteners such as screws, bolts and nuts are tightened in place, then the lifting device 50 (such as the jack) is slowly tried to be unloaded, and after the lifting device 50 (such as the jack) is completely unloaded, the lifting device 50 (such as the jack) is removed.

[0122] In some embodiments, before step S10, further comprising:

[0123] S02: Install the sleeper support device 60, which includes the first sleeper assembly 61, the second sleeper assembly 62, the third sleeper assembly 63, the fourth sleeper assembly 64 and the fifth sleeper assembly 65 arranged from top to bottom.

[0124] The first sleeper assembly 61 and the second sleeper assembly 62 extend out of the nuclear power diesel engine plant, and the parts of the first sleeper assembly 61 and the second sleeper assembly 62 located in the nuclear power diesel engine plant can be laid on the base 103 of the nuclear power diesel engine 100. The third sleeper assembly 63, the fourth sleeper assembly 64 and the fifth sleeper assembly 65 are all arranged outside the nuclear power diesel engine plant and close to the entrance of the nuclear power diesel engine plant. By arranging the sleeper support device 60, the driving device and the driven device can be supported. Steps S01 and S02 can be performed synchronously, which is not limited here.

[0125] The nuclear power diesel engine moving method further comprises step S30 after step S20: hanging the lifting belt at the original lifting position of the nuclear power diesel engine 100, lifting the nuclear power diesel engine 100 by the crane about 100mm away from the sleeper support device 60, and disassembling all the driving device and the driven device. Then the nuclear power diesel engine 100 can be lifted or moved to the maintenance area or the placement area by other moving devices, for example, moved to the warehouse. At this time, the old nuclear power diesel engine 100 is moved completely. The moving and installation of the new nuclear power diesel engine 100 is the reverse process of disassembling the old nuclear power diesel engine 100, and the detailed steps are not repeated here.

[0126] The nuclear power diesel engine carrying method can effectively improve work efficiency, save labor resource cost, improve maintenance work safety, improve maintenance quality, shorten overhaul period, and then can guarantee the reliability of emergency power supply.

[0127] 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 patent 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 several modifications and improvements can be made, which 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 nuclear power diesel engine handling system, characterized in that, include: An active device is used to connect to the front end of the base (101) of the nuclear power diesel engine (100) for transporting the nuclear power diesel engine (100); A driven device is used to connect to the rear end of the base (101) of the nuclear power diesel engine (100) to cooperate with the driving device to move the nuclear power diesel engine (100).

2. The nuclear power diesel engine handling system according to claim 1, characterized in that, The active device includes: The mounting mechanism (10) is used to connect to the base (101) of the nuclear power diesel engine. The mounting mechanism (10) includes a first crossbeam (11), a second crossbeam (12), a first connecting bracket (13), a second connecting bracket (14), a first baffle (15), a second baffle (16), a first tie rod (17), and a second tie rod (18). The first crossbeam (11) is located on the upper surface of the base (101), and the second crossbeam (12) is located on the lower surface of the base (101). The second crossbeam (12) is located on the same side connected to the base (101). The front ends of two feet (102) on a horizontal plane; the first connecting bracket (13) connects the first end of the first crossbeam (11) and the second crossbeam (12), and the second connecting bracket (14) connects the second end of the first crossbeam (11) and the second crossbeam (12); the first baffle (15) and the second baffle (16) are respectively located at the rear ends of the two feet (102); the first pull rod (17) connects the first baffle (15) and the second crossbeam (12), and the second pull rod (18) connects the second baffle (16) and the second crossbeam (12); An electric tank transporter (20) is detachably connected to the second crossbeam (12).

3. The nuclear power diesel engine handling system according to claim 2, characterized in that, The first baffle (15) is L-shaped and is disposed opposite to the first end of the second crossbeam (12). The first tie rod (17) connects the first baffle (15) and the first end of the second crossbeam (12). The second baffle (16) is L-shaped and is disposed opposite to the second end of the second crossbeam (12). The second tie rod (18) connects the second baffle (16) and the second end of the second crossbeam (12).

4. The nuclear power diesel engine handling system according to claim 2, characterized in that, The first crossbeam (11) has a first pad (111) spaced apart on its lower surface near its first end, and a second pad (112) spaced apart on its lower surface near its second end. The second crossbeam (12) has two third pads (121) spaced apart on its upper surface near its first end, and a first groove (122) is formed between the two third pads (121). The second crossbeam (12) has two fourth pads (123) spaced apart on its upper surface near its second end, and a second groove (124) is formed between the two fourth pads (123). The first groove (122) and the second groove (124) are arranged opposite to the weld of the base (101).

5. The nuclear power diesel engine handling system according to claim 1, characterized in that, The driven device includes: A connecting mechanism (30) is used to connect with the base (101) of the nuclear power diesel engine (100). The connecting mechanism (30) includes a first limiting beam (31), a second limiting beam (32), a first bracket (33), and a second bracket (34). The first limiting beam (31) is located on the upper surface of the base (101), and the second limiting beam (32) is located on the lower surface of the base (101). The first bracket (33) connects the first end of the first limiting beam (31) and the second limiting beam (32), and the second bracket (34) connects the second end of the first limiting beam (31) and the second limiting beam (32). The driven mechanism (40) includes a frame (41) and a plurality of movable wheels (42) disposed within the frame (41), and the frame (41) is detachably connected to the second limiting beam (32).

6. The nuclear power diesel engine handling system according to claim 5, characterized in that, The first limiting beam (31) has two first protective pads (311) spaced apart on its lower surface near its first end, and a first clearance groove (312) is formed between the two first protective pads (311). The first limiting beam (31) has two second protective pads (313) spaced apart on its lower surface near its second end, and a second clearance groove (314) is formed between the two second protective pads (313). The second limiting beam (32) has two third protective pads (321) spaced apart on its upper surface near its first end, and a third clearance groove (322) is formed between the two third protective pads (321). The second limiting beam (32) has two fourth protective pads (323) spaced apart on its upper surface near its second end, and a fourth clearance groove (324) is formed between the two fourth protective pads (323). The first clearance groove (312), the second clearance groove (314), the third clearance groove (322) and the fourth clearance groove (324) are arranged opposite to the weld of the base (101).

7. The nuclear power diesel engine handling system according to claim 1, characterized in that, The nuclear power diesel engine handling system also includes several lifting devices (50), which are used to connect to the base (101) to lift the nuclear power diesel engine (100) to a predetermined position.

8. The nuclear power diesel engine handling system according to claim 1, characterized in that, The nuclear power diesel engine handling system also includes a sleeper support device (60), which includes a first sleeper assembly (61), a second sleeper assembly (62), a third sleeper assembly (63), a fourth sleeper assembly (64), and a fifth sleeper assembly (65) arranged from top to bottom. The first sleeper assembly (61) and the second sleeper assembly (62) extend out of the nuclear power diesel engine plant. The third sleeper assembly (63), the fourth sleeper assembly (64) and the fifth sleeper assembly (65) are all located outside the nuclear power diesel engine plant and close to the entrance and exit of the nuclear power diesel engine plant.

9. A method for handling a nuclear power diesel engine, applied to the nuclear power diesel engine handling system according to any one of claims 1 to 8, characterized in that, Includes the following steps: S10: Connect the active device to the front end of the base (101) of the nuclear power diesel engine (100); connect the driven device to the rear end of the base (101) of the nuclear power diesel engine (100); S20: Control the active device to transport the nuclear power diesel engine (100) out of the nuclear power diesel engine plant, or control the active device to transport the nuclear power diesel engine (100) into the nuclear power diesel engine plant.

10. The method for handling a nuclear power diesel engine according to claim 9, characterized in that, Before step S10, the method further includes: S01: Connect the lifting device (50) to the base (101) to lift the nuclear power diesel engine (100) to a predetermined position.

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