Diesel engine set transporting device

Abstract

The utility model belongs to the technical field of nuclear power unit maintenance, and discloses a diesel engine unit transportation device. The device comprises a traction assembly, a chain block, a steel platform and a transportation assembly, the transportation assembly slides on the steel platform, a diesel engine set is placed on the transportation assembly and connected with the traction assembly through the chain block, when the diesel engine set is located in a plant, the traction assembly is fixed outside the plant, and when the diesel engine set is located outside the plant, the transportation assembly is fixed outside the plant. The traction assembly is fixed in a plant, the diesel engine set is connected with the chain block through a chain, and the chain block is connected with the traction assembly through a chain. The problems of long time consumption and high cost of mobile maintenance of a damaged diesel engine set in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear power unit maintenance, in particular to a diesel unit transportation device. Background Art

[0002] In order to ensure that some important equipment can work normally in emergency situations, nuclear power plants must be equipped with a certain number of fixed and mobile power sources, and these power sources are generally powered by diesel generator sets.

[0003] Large diesel units are usually located in a dedicated diesel unit plant and occupy a central position. The plant is also equipped with compressed air, fuel, lubricating oil, cooling water and ventilation systems, as well as instrumentation and electrical systems that work with the diesel units. Once a serious failure occurs in a diesel unit, the nuclear power plant does not have the ability to complete on-site maintenance. The diesel unit needs to be dismantled as a whole and returned to the manufacturer for repair, and the dismantling and reinstallation of the entire unit is relatively complicated. Large diesel units serve as emergency or backup power sources. Once a serious failure occurs, the plant will lack backup and emergency power sources, which may cause safety accidents.

[0004] The existing diesel generator sets have been put into production. If the diesel generator sets need to be taken out, it is difficult. Some plans adopt the method of opening a hole in the ceiling to lift out the whole unit. This will cause permanent damage to the factory building, and the ceiling will need to be repaired afterwards, so the cost of lifting out is high, and the required crane is large. The space around the factory is relatively small and the crane cannot enter. Alternatively, the diesel generator sets can be disassembled into parts and shipped out one by one. However, this method is time-consuming and will cause the nuclear power unit to be shut down for a long time. Utility Model Content

[0005] The utility model aims to provide a diesel engine unit transportation device to solve the problem that it takes a long time and has a high cost to move and repair a damaged diesel engine unit in the prior art.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: the utility model provides a diesel engine transport device, including a traction assembly, a hand winch, a steel platform and a transport assembly, the transport assembly slides on the steel platform, a diesel engine is placed on the transport assembly, the diesel engine is connected to the traction assembly through the hand winch, when the diesel engine is located in the factory, the traction assembly is fixed outside the factory, when the diesel engine is located outside the factory, the traction assembly is fixed in the factory, the diesel engine is connected to the hand winch through a chain, and the hand winch is connected to the traction assembly through a chain.

[0007] Preferably, the traction assembly includes a mounting column and a fixing plate, the mounting column is vertically fixed on the fixing plate, a connecting ring is installed on the mounting column, one end of the chain is passed through the connecting ring, and the other end is connected to the fixing point of the hand winch.

[0008] Preferably, ribs are installed on the side surfaces of the mounting column, and the ribs are fixedly connected to the mounting column and the fixing plate respectively.

[0009] Preferably, the mounting column is vertically penetrated through the fixing plate, and fixing holes are formed inside and outside the factory building, and the mounting column is inserted into the fixing holes.

[0010] Preferably, two groups of mounting columns are installed on the fixing plate, and the chain hoists include two groups, and the chain hoists correspond to the mounting columns one by one.

[0011] Preferably, the steel platform includes a steel plate, and the steel plate is laid on the ground inside and outside the factory building. The transport component includes a pulley and a support. The pulley is rotatably installed on the lower side of the support, and the pulley rolls on the steel plate. A rubber pad is placed on the support, and the diesel engine unit is placed on the rubber pad.

[0012] Preferably, crushed stones are laid between the steel plate and the ground, sleepers are laid on the crushed stones, and the steel plate is laid on the sleepers.

[0013] Beneficial effects: Since the traction assembly has been fixed in or outside the factory building, the diesel engine unit can be pulled to one side of the traction assembly by operating the hand winch, and the diesel engine unit can be pulled out as a whole through the side door of the factory building or the entire diesel engine unit can be sent into the factory building, which saves costs and does not require complete dismantling of the diesel engine unit, shortening maintenance time. Since the traction assembly and the hand winch are small in size, the space inside the factory building and outside the side door of the factory building can be fully utilized, occupying a small area, and can be flexibly installed around different factory buildings, with greater versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the diesel engine transport device of the utility model;

[0015] Figure 2 This is a top view of the diesel engine transport device of the utility model;

[0016] Figure 3 This is a main body diagram of the traction component of the utility model.

[0017] In the figure: 1. traction assembly; 11. mounting column; 12. fixing plate; 13. connecting ring; 14. rib plate; 2. hand chain hoist; 3. steel platform; 4. transportation assembly; 5. diesel engine unit; 6. chain. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0019] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0021] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0022] Under the existing technology, due to the large weight and volume of the diesel engine unit and the small side door of the factory building, if a problem occurs with the diesel engine unit, all the parts inside the diesel engine unit need to be disassembled, and the disassembled parts need to be transported out one by one to the manufacturing plant for repair. Disassembling the diesel engine unit takes a long time, resulting in a longer entire maintenance cycle. If the diesel engine unit is directly transported as a whole, a crane needs to be used to lift it out from the upper side of the factory building, which requires the removal of the roof of the factory building, which is difficult and there is a risk of falling objects from high altitude.

[0023] In order to solve the above problems, Figures 1 to 3 As shown, the utility model provides a diesel engine transport device, including a traction component 1, a hand chain hoist 2, a steel platform 3 and a transport component 4, the transport component 4 slides on the steel platform 3, a diesel engine 5 is placed on the transport component 4, the diesel engine 5 is connected to the traction component 1 through the hand chain hoist 2, when the diesel engine 5 is located in the factory building, the traction component 1 is fixed outside the factory building, the diesel engine 5 is gradually pulled to slide out to the outside of the factory building by the hand chain hoist 2, until it slides to an open space that can be lifted by a crane, the diesel engine 5 is loaded onto a vehicle, the diesel engine 5 slides on the steel platform 3, the chain 6 connects the diesel engine 5 and the hand chain hoist 2 respectively, and the chain 6 also connects the hand chain hoist 2 to the traction component 1; if the diesel engine 5 is located outside the factory building, the traction component 1 is fixed inside the factory building, and the diesel engine 5 is also gradually pulled into the factory building by the hand chain hoist 2.

[0024] Although the diesel unit 5 is large in size, the space for moving the diesel unit 5 can be met by expanding the side door of the factory building. Compared with opening the top of the factory building, the reconstruction cost can be saved and there will be no risk of falling. At the same time, the integrity of the factory building ceiling is guaranteed, and there will be no risk of water seepage on rainy days.

[0025] At the same time, the diesel engine set 5 is pulled out of the side door of the factory building by fixing the hand chain hoist 2 on the traction assembly 1, avoiding the need to completely disassemble the diesel engine set 5, thereby shortening the maintenance time. At the same time, since the hand chain hoist 2 and the traction assembly 1 are small in size, they can be arranged at any position inside and outside the factory building, making the space and position of the diesel engine set 5 transportation device of the utility model more flexible.

[0026] The traction assembly 1 of the utility model includes a mounting column 11 and a fixing plate 12. The mounting column 11 is vertically fixed on the fixing plate 12. A connecting ring 13 is installed on the mounting column 11. One end of the chain 6 is passed through and tied in the connecting ring 13, and the other end is connected to the fixing point of the hand winch 2.

[0027] The traction assembly 1 plays the role of fixing the hand chain hoist 2. The hand chain hoist 2 is in a fixed state, and the diesel engine unit 5 can be moved by hand. The hand chain hoist 2 is a prior art and is not described here. The diesel engine unit 5 can also be pulled out by other pulling devices.

[0028] A rib plate 14 is installed on the side of the mounting column 11 of the utility model, and the rib plate 14 is fixedly connected to the mounting column 11 and the fixing plate 12 respectively, and is generally connected by welding. The rib plate 14 can reinforce the mounting column 11 and the fixing plate 12 to avoid bending the mounting column 11 when the diesel unit 5 moves, thereby improving the structural rigidity of the traction component 1.

[0029] The mounting column 11 is vertically penetrated on the fixing plate 12 , and fixing holes are formed inside and outside the factory building, and the mounting column 11 is inserted into the fixing holes.

[0030] Through the fixing holes inside and outside the factory, the lower end of the mounting column 11 can be inserted into the fixing hole, so that the traction component 1 can be further fixed, thereby improving the stability of the traction component 1, so that the hand winch 2 fixed on the traction component 1 can pull the diesel unit 5 to one side of the traction component 1.

[0031] Two groups of mounting posts 11 are mounted on the fixing plate 12 , and the hand chain hoists 2 include two groups, and the hand chain hoists 2 correspond to the mounting posts 11 one by one.

[0032] By providing two groups of mounting columns 11 , the same diesel engine set 5 can be pulled by two groups of hand chain hoists 2 , and the pulling force on the chain 6 can be shared, thereby avoiding the chain 6 or hand chain hoists 2 from breaking during the process of pulling the diesel engine set 5 .

[0033] The steel platform 3 adopted in the utility model is a steel plate, which is laid on the ground inside and outside the factory building. The transport component 4 includes a pulley and a support. The pulley is rotatably installed on the lower side of the support. The pulley rolls on the steel plate. A rubber pad is placed on the support, and the diesel engine unit 5 is placed on the rubber pad.

[0034] After the diesel unit 5 is lifted up by the jack, the transport component 4 is placed under the diesel unit 5. By clamping a rubber pad between the diesel unit 5 and the support, the friction between the transport component 4 and the diesel unit 5 can be increased. Since a pulley is provided at the bottom of the diesel unit 5, the pulley rolls as the diesel unit 5 moves, thereby reducing the pulling force for pulling the diesel unit 5, and manual operation is more convenient and labor-saving.

[0035] There is a height difference between the ground inside and outside the factory building. Usually, the ground inside the factory building is higher than the outside. Therefore, gravel or sand can be placed on the outside of the factory building, and sleepers can be laid on the gravel and sand, and steel plates can be laid on the sleepers to keep the steel plates on both sides of the factory building at the same height. When the diesel unit 5 moves outside or inside the factory building, the diesel unit 5 can always move on a horizontal plane to avoid accelerated sliding and reduce risks.

[0036] Diesel unit 5 overall dismantling stage:

[0037] 1. Preparation stage: First, completely disconnect the diesel engine 5 from all auxiliary systems and ancillary equipment, such as the connection of mechanical oil, water and gas pipelines, the connection of electrical wires, cables, sensors and other equipment, and the connection of the diesel engine 5 to the ground.

[0038] 2. Preparation stage: Secondly, all obstacles on the transportation channel of diesel generator set 5 are cleared.

[0039] 3. Implementation stage: Use lifting tools (such as jacks) to lift the completely independent diesel engine unit 5 to a certain height. The height requirement cannot affect the laying of the steel plate at the bottom of the fuselage. After lifting to the right place, it must be evenly fixed with self-made supporting tools (such as supporting piers) to prevent the diesel engine from tilting or tipping over. During the lifting process, all staff must follow the instructions and commands to operate and keep the diesel engine evenly rising at all times.

[0040] 4. Paving stage: Lay steel plates outside the plant and under the diesel engine body. If the outside of the plant is uneven or tilted, a combination of sleepers, gravel and sand can be used as the foundation, and steel plates of the same thickness can be laid on it. Finally, the steel plates inside and outside the plant are connected into a whole (weldable) to form an integrated plane.

[0041] 5. Traction stage: Install two traction components 1 at appropriate locations outside the plant, and connect the diesel engine body to the traction component 1 through the hand chain hoist 2 and the chain 6. Drop the diesel engine as a whole onto the four transport components 4 symmetrically arranged on the steel plate, and add rubber pads between the transport components 4 and the diesel engine to increase friction. Then, through unified command and collaboration, slowly haul the diesel engine unit 5 out of the plant as a whole until it reaches the selected lifting point.

[0042] 6. Hoisting stage: The diesel generator set 5 that has been pulled out is hoisted as a whole onto a transport vehicle using a large crane, and then transported to the manufacturer for maintenance.

[0043] Diesel generator set 5 reinstallation stage:

[0044] 1. Preparation stage: The diesel generator set 5 returned from the manufacturer for repair is transported to a designated location near the factory building and waits for orders; the steel plate paving method designed when the diesel generator set 5 is moved out of the factory building is re-laid, and the original two traction components 1 are installed at appropriate locations inside the factory building.

[0045] 2. Implementation phase: Use a large crane to hoist the diesel engine as a whole to the designated location (or the original lifting point location). Before final placement, four groups of transport components 4 are symmetrically arranged under the diesel engine unit 5. A rubber pad is added between the transport component 4 and the diesel engine unit 5 to increase friction.

[0046] 3. Moving stage: Use the hand winch 2 and the chain 6 to connect the diesel unit 5 with the special traction tooling. After the preparations are ready, slowly pull the diesel unit 5 as a whole from outside the factory to the original position of the diesel unit 5 inside the factory through unified command and cooperation.

[0047] 4. Installation stage: Use a lifting tool to lift the diesel engine unit 5 to a certain height (without affecting the removal of the steel plate), support and stabilize the diesel engine as a whole, and then remove the steel plate and transport assembly 4. Lower the diesel engine unit 5 as a whole back to its original position, and adjust the position of the diesel engine unit 5 during the landing process to align the bolt holes of the base shock absorber and the bolt holes of the embedded plate to keep them consistent with the position before removal.

[0048] 5. Connection stage: With the cooperation of various professionals, the diesel generator set 5 is connected with the auxiliary system and ancillary equipment to restore the equipment to its original state.

[0049] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A diesel unit transport device, characterized in that: A traction component (1), a hand chain hoist (2), a steel platform (3) and a transport component (4), wherein the transport component (4) slides on the steel platform (3), a diesel engine unit (5) is placed on the transport component (4), and the diesel engine unit (5) is connected to the traction component (1) via the hand chain hoist (2). When the diesel engine unit (5) is located in a factory building, the traction component (1) is fixed outside the factory building; when the diesel engine unit (5) is located outside the factory building, the traction component (1) is fixed inside the factory building. The diesel engine unit (5) is connected to the hand chain hoist (2) via a chain (6), and the hand chain hoist (2) is connected to the traction component (1) via a chain (6).

2. The diesel engine transport device according to claim 1, characterized in that: The traction assembly (1) comprises a mounting column (11) and a fixing plate (12), wherein the mounting column (11) is vertically fixed on the fixing plate (12), and a connecting ring (13) is installed on the mounting column (11), one end of the chain (6) is inserted into the connecting ring (13), and the other end is connected to the fixing point of the hand winch (2).

3. The diesel engine transport device according to claim 2, characterized in that: A rib plate (14) is installed on the side of the installation column (11), and the rib plate (14) is fixedly connected to the installation column (11) and the fixing plate (12) respectively.

4. The diesel engine transport device according to claim 2, characterized in that: The installation column (11) is vertically inserted into the fixing plate (12), and fixing holes are formed inside and outside the factory building, and the installation column (11) is inserted into the fixing holes.

5. The diesel unit transport device according to claim 2, characterized in that: Two groups of mounting columns (11) are installed on the fixing plate (12), and the hand chain hoists (2) include two groups, and the hand chain hoists (2) correspond to the mounting columns (11) one by one.

6. The diesel engine transport device according to claim 1, characterized in that: The steel platform (3) includes a steel plate, and the steel plate is laid on the ground inside and outside the factory building. The transport component (4) includes a pulley and a support. The pulley is rotatably mounted on the lower side of the support, and the pulley rolls on the steel plate. A rubber pad is placed on the support, and the diesel engine unit (5) is placed on the rubber pad.

7. The diesel engine transport device according to claim 6, characterized in that: Crushed stones are laid between the steel plate and the ground, sleepers are laid on the crushed stones, and the steel plate is laid on the sleepers.

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