Nuclear power plant diesel engine active handling device

By designing an active handling device for nuclear power plant diesel engines, an electric tank transporter is used to move the diesel engines, solving the problem that nuclear power plant diesel engines cannot be moved manually, and achieving convenient and efficient diesel engine handling.

CN224589989UActive Publication Date: 2026-08-04YANGJIANG NUCLEAR POWER +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGJIANG NUCLEAR POWER
Filing Date
2025-08-28
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Nuclear power plant diesel engines cannot be moved manually, and dismantling the engine room and hoisting them is a labor-intensive and uneconomical task.

Method used

Design an active handling device for diesel engines in nuclear power plants, including a connecting beam and an electric tank transporter. The device is connected to the diesel engine's feet via a connecting seat, and the electric tank transporter is used to move the diesel engine.

Benefits of technology

It enables convenient transportation of diesel engines for nuclear power plants, with a simple overall structure, low cost, easy operation, and good practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nuclear power plant diesel engine active handling device, it includes connecting beam and electric tank handling car, the connecting beam is used for with the foot stand of nuclear power plant diesel engine's front end connection, and the length direction both ends of connecting beam stretch out the both ends of foot stand, the number of electric tank handling car is two, and two electric tank handling car is connected with the length direction both ends of connecting beam through connecting seat respectively, and every connecting seat includes bottom plate, top plate, first connecting plate, second connecting plate, third connecting plate, fourth connecting plate and fixed structure. Application this nuclear power plant diesel engine active handling device can realize the handling operation of this nuclear power plant diesel engine through electric tank handling car, and the overall structure of this nuclear power plant diesel engine active handling device is relatively simple, and the manufacturing cost is lower, and its operation is relatively convenient, and the practicality is better.
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Description

Technical Field

[0001] This utility model relates to the field of nuclear power technology, and in particular to an active handling device for a diesel engine in a nuclear power plant. Background Technology

[0002] Nuclear power plants require the use of diesel generators for emergency power generation. These diesel generators are installed in a diesel generator house, which contains many components and has a compact interior space. When it is necessary to replace old diesel generators or carry out diesel generator maintenance, the diesel generators need to be moved out of the diesel generator house. The diesel generators are heavy and cannot be moved by personnel. However, if the generator house is dismantled and the diesel generators are hoisted, the workload is too large and the economic efficiency is poor. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an active handling device for diesel engines in nuclear power plants, so as to solve the problem that diesel engines in nuclear power plants cannot be handled manually.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct an active handling device for a nuclear power plant diesel engine, including a connecting beam and an electric tank transport vehicle. The connecting beam is used to connect with the front foot of the nuclear power plant diesel engine, and the two ends of the connecting beam in the length direction extend beyond the two ends of the foot. The number of electric tank transport vehicles is two, and the two electric tank transport vehicles are respectively connected to the two ends of the connecting beam in the length direction through connecting seats.

[0005] Each of the connecting seats includes a base plate, a top plate, a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, and a fixing structure. The base plate and the top plate are arranged parallel to each other. The first connecting plate and the second connecting plate are arranged relatively parallel to each other and are both connected to the base plate and the top plate. The third connecting plate and the fourth connecting plate are arranged relatively parallel to each other and are respectively connected to the front and rear ends of the top plate. The top plate, the third connecting plate, and the fourth connecting plate define a connecting groove. The connecting groove cooperates with the connecting beam. The third connecting plate and the fourth connecting plate are detachably connected to the connecting beam. The fixing structure is connected to the base plate, the first connecting plate, and the second connecting plate respectively. The fixing structure is used for detachable connection with the disc of the electric tank transporter.

[0006] In some embodiments, the fixing structure includes a first fixing plate, a second fixing plate, a third fixing plate, and a fourth fixing plate. The first fixing plate and the second fixing plate are connected to the base plate and the first connecting plate. The lower parts of the first fixing plate and the second fixing plate both protrude from the lower end of the base plate. The first fixing plate and the second fixing plate are arranged at an angle relative to each other.

[0007] The third fixing plate and the fourth fixing plate are connected to the base plate and the second connecting plate. The lower parts of the third fixing plate and the fourth fixing plate protrude from the lower end of the base plate. The third fixing plate and the fourth fixing plate are inclined relative to each other.

[0008] In some embodiments, the connecting seat further includes a reinforcing plate that connects the bottom plate and the top plate, and the reinforcing plate connects the opposite inner surfaces of the first connecting plate and the second connecting plate.

[0009] In some embodiments, the third connecting plate is provided with a plurality of first connecting holes, the fourth connecting plate is provided with a plurality of second connecting holes, and the connecting seat further includes a plurality of first fasteners and a plurality of second fasteners. The plurality of first fasteners are used to connect the first connecting holes and the connecting beam, and the plurality of second fasteners are used to connect the second connecting holes and the connecting beam.

[0010] In some embodiments, a first limiting plate and a second limiting plate are provided opposite each other at the middle of the connecting beam, and the upper surface of the connecting beam, the first limiting plate and the second limiting plate together define a limiting groove, which cooperates with the foot.

[0011] In some embodiments, the first limiting plate is provided with a plurality of first limiting holes, which are spaced apart along the length direction of the first limiting plate; the second limiting plate is provided with a plurality of second limiting holes, which are spaced apart along the length direction of the second limiting plate.

[0012] The nuclear power plant diesel engine active handling device also includes a number of third fasteners and a number of fourth fasteners. The number of third fasteners connects the first limiting hole and the foot, and the number of fourth fasteners connects the second limiting hole and the foot.

[0013] In some embodiments, the connecting beam includes an upper plate, a lower plate, and a support plate. The upper plate and the lower plate are both rectangular structures and are arranged parallel to each other. The support plate is also rectangular and is perpendicularly connected to the middle of the upper plate and the lower plate. The length directions of the support plate, the upper plate, and the lower plate are consistent. The first limiting plate and the second limiting plate are disposed on the upper plate.

[0014] In some embodiments, the connecting beam further includes a plurality of first reinforcing plates and a plurality of second reinforcing plates, wherein the plurality of first reinforcing plates connect the front ends of the upper plate and the lower plate, and the plurality of second reinforcing plates connect the rear ends of the upper plate and the lower plate.

[0015] In some embodiments, the connecting beam is an integral structure.

[0016] In some embodiments, the connector is an integral structure.

[0017] The present invention has the following advantages: by using the active handling device for nuclear power plant diesel engines, the handling of the nuclear power plant diesel engines can be achieved by using an electric tank transport vehicle. The overall structure of the active handling device for nuclear power plant diesel engines is relatively simple, the manufacturing cost is low, and its operation is relatively convenient and practical. Attached Figure Description

[0018] To more clearly illustrate the technical solution of this utility model, the present utility model 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 this utility model and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort. In the drawings:

[0019] Figure 1 This is a schematic diagram illustrating the application of the active handling device for a nuclear power plant diesel engine in some embodiments of this utility model;

[0020] Figure 2 yes Figure 1 Detailed diagram of the active transport system for diesel engines in a nuclear power plant;

[0021] Figure 3 This is one of the structural schematic diagrams of the active transport device for a nuclear power plant diesel engine in some embodiments of this utility model;

[0022] Figure 4 This is the second schematic diagram of the active transport device for a nuclear power plant diesel engine in some embodiments of this utility model;

[0023] Figure 5 This is the third schematic diagram of the active transport device for a nuclear power plant diesel engine in some embodiments of this utility model;

[0024] Figure 6 This is one of the structural schematic diagrams of the connector in some embodiments of this utility model;

[0025] Figure 7 This is the second structural schematic diagram of the connector in some embodiments of this utility model. Detailed Implementation

[0026] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0027] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0028] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0029] See Figures 1 to 7 This utility model discloses an active handling device for nuclear power plant diesel engines. The active handling device for nuclear power plant diesel engines can be used to move nuclear power plant diesel engines 100 out of the diesel engine plant. In some embodiments, the active handling device for nuclear power plant diesel engines can also be used to move new nuclear power plant diesel engines or overhauled nuclear power plant diesel engines into the nuclear power plant diesel engine plant.

[0030] The active handling device for the nuclear power plant diesel engine includes a connecting beam 10 and an electric tank transporter 20. The connecting beam 10 is used to connect to the base 101 at the front end of the nuclear power plant diesel engine 100 (e.g., ...). Figure 1 and Figure 2 As shown), the two ends of the connecting beam 10 extend beyond the two ends of the foot 101 along its length; there are two electric tank transporters 20, and the two electric tank transporters 20 are respectively connected to the two ends of the connecting beam 10 along its length via connecting seats 21. The nuclear power plant diesel engine 100 may be, but is not limited to, an LHZ type diesel engine.

[0031] Each connecting base 21 includes a base plate 211, a top plate 212, a first connecting plate 213, a second connecting plate 214, a third connecting plate 215, a fourth connecting plate 216, and a fixing structure 217. The base plate 211 and the top plate 212 are arranged parallel to each other. The first connecting plate 213 and the second connecting plate 214 are arranged relatively parallel to each other, and both the first connecting plate 213 and the second connecting plate 214 are connected to the base plate 211 and the top plate 212. The third connecting plate 215 and the fourth connecting plate 216 are arranged relatively parallel to each other, and the third connecting plate 215 is arranged relatively parallel to each other. The third connecting plate 215 and the fourth connecting plate 216 are respectively connected to the front and rear ends of the top plate 212. The top plate 212, the third connecting plate 215, and the fourth connecting plate 216 define a connecting groove, which cooperates with the connecting beam 10. The third connecting plate 215 and the fourth connecting plate 216 are detachably connected to the connecting beam 10. The fixing structure 217 is respectively connected to the bottom plate 211, the first connecting plate 213, and the second connecting plate 214. The fixing structure 217 is used for detachable connection with the disc 22 of the electric tank transporter 20. The rear end of the nuclear power plant diesel engine 100 can be equipped with driven wheels or an active handling device for the nuclear power plant diesel engine. That is, the nuclear power plant diesel engine 100 can be transported by the active handling device for the nuclear power plant diesel engine set at the front and rear ends. The electric tank transporter 20 can be an existing electric tank transporter, which can be purchased on the market according to needs. No specific limitation is made here.

[0032] The active handling device for the nuclear power plant diesel engine is applied as follows: the connecting beam 10 can be installed on the base 101, and the electric tank transport vehicle 20 can be used to carry out the handling operation of the nuclear power plant diesel engine 100. The overall structure of the active handling device for the nuclear power plant diesel engine is relatively simple, the manufacturing cost is low, and its operation is relatively convenient and practical.

[0033] See Figure 6 and Figure 7As shown, in some embodiments, the fixing structure 217 includes a first fixing plate 2171, a second fixing plate 2172, a third fixing plate 2173, and a fourth fixing plate 2174. The first fixing plate 2171 and the second fixing plate 2172 are connected to the base plate 211 and the first connecting plate 213. The lower parts of the first fixing plate 2171 and the second fixing plate 2172 both protrude from the lower end of the base plate 211. The first fixing plate 2171 and the second fixing plate 2172 are arranged at an angle relative to each other.

[0034] The third fixing plate 2173 and the fourth fixing plate 2174 are connected to the base plate 211 and the second connecting plate 214. The lower parts of the third fixing plate 2173 and the fourth fixing plate 2174 protrude from the lower end of the base plate 211, and the third fixing plate 2173 and the fourth fixing plate 2174 are arranged at an angle relative to each other. The first fixing plate 2171, the second fixing plate 2172, the third fixing plate 2173 and the fourth fixing plate 2174 are approximately on a virtual circle, so that they can be connected to the disc 22 of the electric tank transporter 20. Preferably, the first fixing plate 2171, the second fixing plate 2172, the third fixing plate 2173 and the fourth fixing plate 2174 can be connected to the disc 22 by fasteners, including but not limited to fastening screws or fastening bolts, with M10X25 fastening bolts being optional.

[0035] See Figure 6 and Figure 7 As shown, in some embodiments, the connecting seat 21 further includes a reinforcing plate 218, which connects the bottom plate 211 and the top plate 212, and connects the opposite inner surfaces of the first connecting plate 213 and the second connecting plate 214. One or more reinforcing plates 218 may be provided, and providing the reinforcing plate 218 can improve the structural rigidity of the entire connecting seat 21.

[0036] See Figure 6 and Figure 7 As shown, in some embodiments, the third connecting plate 215 is provided with a plurality of first connecting holes 2151, the fourth connecting plate 216 is provided with a plurality of second connecting holes 2161, and the connecting seat 21 further includes a plurality of first fasteners and a plurality of second fasteners. The plurality of first fasteners are used to connect the first connecting holes 2151 to the connecting beam 10, and the plurality of second fasteners are used to connect the second connecting holes 2161 to the connecting beam 10. The first fasteners and the second fasteners include, but are not limited to, fastening bolts or fastening screws, and fastening bolts of specification M12X25 are optional.

[0037] See Figures 3 to 6As shown, in some embodiments, the middle part of the connecting beam 10 is provided with a first limiting plate 14 and a second limiting plate 15 facing each other. The upper surface of the connecting beam 10, the first limiting plate 14 and the second limiting plate 15 together define a limiting groove. The limiting groove cooperates with the foot 101, and the foot 101 can be placed in the limiting groove.

[0038] See Figures 3 to 6 As shown, in some embodiments, the first limiting plate 14 is provided with a plurality of first limiting holes 141, which are spaced apart along the length direction of the first limiting plate 14; the second limiting plate 15 is provided with a plurality of second limiting holes 151, which are spaced apart along the length direction of the second limiting plate 15; the nuclear power plant diesel engine active handling device further includes a plurality of third fasteners and a plurality of fourth fasteners, the plurality of third fasteners connecting the first limiting holes 141 and the foot 101, and the plurality of fourth fasteners connecting the second limiting holes 151 and the foot 101. The first fasteners and the second fasteners include, but are not limited to, fastening bolts or fastening screws.

[0039] See Figures 3 to 6 As shown, in some embodiments, the connecting beam 10 includes an upper plate 11, a lower plate 12, and a support plate 13. The upper plate 11 and the lower plate 12 are both rectangular structures and are arranged parallel to each other. The support plate 13 is a rectangular structure and is perpendicularly connected to the middle of the upper plate 11 and the lower plate 12. The length directions of the support plate 13, the upper plate 11, and the lower plate 12 are consistent. The first limiting plate 14 and the second limiting plate 15 are disposed on the upper plate 11.

[0040] See Figures 3 to 6 As shown, in some embodiments, the connecting beam 10 further includes a plurality of first reinforcing plates 16 and a plurality of second reinforcing plates 17. The plurality of first reinforcing plates 16 connect the front ends of the upper plate 11 and the lower plate 12; the plurality of second reinforcing plates 17 connect the rear ends of the upper plate 11 and the lower plate 12. The provision of the first reinforcing plates 16 and second reinforcing plates 17 can improve the overall structural rigidity of the connecting beam 10. Of course, in some embodiments, the connecting beam 10 can be a H-shaped steel beam.

[0041] In some embodiments, the connecting beam 10 is an integral structure. In some embodiments, the connecting seat 21 is an integral structure. Both the connecting beam 10 and the connecting seat 21 can be made of metal materials, including but not limited to stainless steel, as long as they meet the requirements for connection and support operations; no specific limitation is made here.

[0042] In some embodiments, the electric tank transporter 20 may have dimensions of 600 mm in length, 680 mm in width, and 166 mm in height. The electric tank transporter 20 may be any existing electric tank transporter, and no specific limitation is made here.

[0043] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. An active conveying device for a nuclear power plant diesel engine, characterized in that, The system includes a connecting beam and an electric tank transporter. The connecting beam is used to connect to the front end of the diesel engine in the nuclear power plant, and both ends of the connecting beam extend beyond the ends of the feet in the longitudinal direction. There are two electric tank transporters, and the two electric tank transporters are respectively connected to the two ends of the connecting beam in the longitudinal direction through connecting seats. Each of the connecting seats includes a base plate, a top plate, a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, and a fixing structure. The base plate and the top plate are arranged parallel to each other. The first connecting plate and the second connecting plate are arranged relatively parallel to each other and are both connected to the base plate and the top plate. The third connecting plate and the fourth connecting plate are arranged relatively parallel to each other and are respectively connected to the front and rear ends of the top plate. The top plate, the third connecting plate, and the fourth connecting plate define a connecting groove. The connecting groove cooperates with the connecting beam. The third connecting plate and the fourth connecting plate are detachably connected to the connecting beam. The fixing structure is connected to the base plate, the first connecting plate, and the second connecting plate respectively. The fixing structure is used for detachable connection with the disc of the electric tank transporter.

2. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The fixing structure includes a first fixing plate, a second fixing plate, a third fixing plate and a fourth fixing plate. The first fixing plate and the second fixing plate are connected to the base plate and the first connecting plate. The lower parts of the first fixing plate and the second fixing plate protrude from the lower end of the base plate. The first fixing plate and the second fixing plate are arranged at an angle relative to each other. The third fixing plate and the fourth fixing plate are connected to the base plate and the second connecting plate. The lower parts of the third fixing plate and the fourth fixing plate protrude from the lower end of the base plate. The third fixing plate and the fourth fixing plate are inclined relative to each other.

3. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The connecting seat also includes a reinforcing plate, which connects the bottom plate and the top plate, and the reinforcing plate connects the opposite inner sides of the first connecting plate and the second connecting plate.

4. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The third connecting plate is provided with a plurality of first connecting holes, the fourth connecting plate is provided with a plurality of second connecting holes, and the connecting seat further includes a plurality of first fasteners and a plurality of second fasteners. The plurality of first fasteners are used to connect the first connecting holes and the connecting beam, and the plurality of second fasteners are used to connect the second connecting holes and the connecting beam.

5. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The connecting beam has a first limiting plate and a second limiting plate opposite each other in the middle. The upper surface of the connecting beam, the first limiting plate and the second limiting plate together define a limiting groove, which cooperates with the foot.

6. The active handling device for nuclear power plant diesel engines according to claim 5, characterized in that, The first limiting plate is provided with a plurality of first limiting holes, which are spaced apart along the length direction of the first limiting plate; the second limiting plate is provided with a plurality of second limiting holes, which are spaced apart along the length direction of the second limiting plate. The nuclear power plant diesel engine active handling device also includes a number of third fasteners and a number of fourth fasteners. The number of third fasteners connects the first limiting hole and the foot, and the number of fourth fasteners connects the second limiting hole and the foot.

7. The active handling device for nuclear power plant diesel engines according to claim 6, characterized in that, The connecting beam includes an upper plate, a lower plate, and a support plate. Both the upper and lower plates are rectangular structures and are arranged parallel to each other. The support plate is also rectangular and is perpendicularly connected to the middle of the upper and lower plates. The length directions of the support plate, the upper plate, and the lower plate are consistent. The first limiting plate and the second limiting plate are disposed on the upper plate.

8. The active handling device for nuclear power plant diesel engines according to claim 7, characterized in that, The connecting beam further includes a plurality of first reinforcing plates and a plurality of second reinforcing plates. The plurality of first reinforcing plates connect the front ends of the upper plate and the lower plate; the plurality of second reinforcing plates connect the rear ends of the upper plate and the lower plate.

9. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The connecting beam is a single, integral structure.

10. The active handling device for nuclear power plant diesel engines according to claim 1, characterized in that, The connector is a single, integral structure.