Ship main power supply device using shaft generator

Abstract

The invention relates to the field of ship power generation devices, in particular to a ship main power supply device using an axle generator, which comprises two groups of main engine rotating shafts and an axle generator main body which are mounted in a cabin, a plurality of slots are formed in the side walls of the main engine rotating shafts, and first limiting holes are formed in the side walls of the slots; the input end of the axle generator main body is connected with a driving shaft; the shaft generator main body is conveniently pushed through the moving mechanism, so that the shaft generator main body drives the driving shaft to be connected with the main machine rotating shaft in an aligned mode, the driving shaft cannot directly collide with the main machine rotating shaft through the buffering mechanism before being aligned with the main machine rotating shaft, and collision damage of the driving shaft and the main machine rotating shaft is avoided; the shaft is pushed to drive the generator body, the driving shaft drives the inserting plate to be inserted into the inserting groove, the first limiting hole and the second limiting hole are aligned, then the fixing bolt is screwed in, and the driving shaft and the main machine rotating shaft are fixedly connected.

Description

Technical Field

[0001] The present invention relates to the field of ship power generation devices, and in particular to a ship main power supply device using a shaft generator. Background Art

[0002] According to the China Classification Society's "Rules for the Construction of Seagoing Ships," a ship's main power source must be sufficient to power all electrical auxiliary equipment necessary to maintain normal operation and meet normal living conditions, without requiring emergency power. The main power source should consist of at least two generator sets. Currently, some ships are supplementing their two main diesel generator sets with a shaft generator for use during periods of low power load to reduce fuel consumption.

[0003] When the drive shaft of the shaft generator is installed on the main engine shaft, due to the large mass of the shaft generator itself, there will be two inconveniences when aligning the drive shaft of the shaft generator with the main engine shaft. First, when the drive shaft of the shaft generator is aligned and connected with the main engine shaft, it is easy for the drive shaft to collide with the main engine shaft, resulting in damage to the drive shaft of the shaft generator and the main engine shaft. Second, the mass of the shaft generator itself is large, and it is not easy to move the shaft generator, which will also increase the difficulty of aligning and installing the drive shaft of the shaft generator with the main engine shaft.

[0004] The present invention provides a main power supply device for a ship using a shaft generator to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a ship main power supply device using a shaft generator.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a main power supply device of a ship using a shaft-belt generator, comprising two sets of main engine rotating shafts and a shaft-belt generator main body installed in an engine room, the side wall of the main engine rotating shaft being provided with a plurality of slots, the side wall of the slot being provided with a first limiting hole, the input end of the shaft-belt generator main body being connected to the drive shaft, the side wall of the drive shaft being provided with a plurality of second limiting holes, the second limiting holes being aligned with the first limiting holes, fixing bolts being installed in the second limiting holes and the first limiting holes, the inner side wall of the drive shaft being connected with a plurality of plug-ins, a mounting mechanism being provided on the drive shaft, a buffer mechanism being installed on the mounting mechanism, the bottom end of the side wall of the shaft-belt generator main body being connected to a support plate, the bottom end of the support plate being connected to a bottom plate, the top ends of the four corners of the bottom plate being provided with sliding holes, a moving mechanism being provided in the sliding holes, and a limiting mechanism being provided on the bottom plate.

[0007] As a preferred technical solution of the present invention, the mounting mechanism includes mounting slots and mounting screw holes, the side wall of the drive shaft is provided with multiple mounting slots, the side wall of the mounting slot is provided with mounting screw holes, and the mounting slots correspond to the plug plates one by one.

[0008] As a preferred technical solution of the present invention, the buffer mechanism includes a connecting plate, a mounting circular hole, a carrier plate, a slide groove, a spring, a buffer plate and a mounting screw. The side wall of the mounting groove is inserted and connected with a connecting plate, the side wall of the connecting plate is provided with a mounting circular hole, and the mounting circular hole can be aligned with the mounting screw hole. The bottom end of the connecting plate is connected to the carrier plate, and the side walls on both sides of the carrier plate are provided with a slide groove. The side wall of the slide groove is connected with a spring, and a damper is arranged in the spring. The side wall of the slide groove is slidably connected with a buffer plate, and the mounting circular hole is inserted and connected with a mounting screw.

[0009] As a preferred technical solution of the present invention, the shape of the buffer plate is U-shaped, the end side walls of the carrier plate are aligned with the end side walls of the plug plate, the width of the buffer plate is equal to the width of the slot, the width of the plug plate is equal to the width of the slot, and the connecting plate and the carrier plate form a Z shape.

[0010] As a preferred technical solution of the present invention, the moving mechanism includes a bottom block, a moving wheel, a support rod, a top plate and a hydraulic cylinder. The side wall of the sliding hole is slidably connected to the bottom block, the bottom end of the bottom block is connected to the moving wheel, the top end of the bottom block is connected to the support rod, the top end of the support rod is connected to the top plate, the top end of the support rod is connected to the hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the bottom plate.

[0011] As a preferred technical solution of the present invention, the movable wheel can be made of an electric wheel, and the shape of the top plate is a U-shaped.

[0012] As a preferred technical solution of the present invention, the limiting mechanism includes a limiting screw, a connecting screw hole and a limiting screw hole. The side wall of the cabin located near the main engine shaft is provided with multiple limiting screw holes, and the side wall corner of the base plate is also provided with a connecting screw hole. The side wall of the connecting screw hole is threadedly connected to the limiting screw, and the connecting screw hole can be aligned with the limiting screw hole.

[0013] As a preferred technical solution of the present invention, the length of the limiting screw is greater than the length of the support rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention facilitates the advancement of the shaft-belt generator body by using a moving mechanism, so that the shaft-belt generator body drives the drive shaft to be aligned and connected with the main engine shaft. The buffer mechanism is used to prevent the drive shaft from directly colliding with the main engine shaft before alignment, thereby avoiding collision damage between the drive shaft and the main engine shaft. After the drive shaft and the main engine shaft are aligned, the shaft-belt generator body is pushed, so that the drive shaft drives the plug plate to be inserted into the slot, and the first limiting hole and the second limiting hole are aligned, and then the fixing bolt is screwed in to achieve a fixed connection between the drive shaft and the main engine shaft.

[0016] 2. The present invention drives the connecting plate to move by the driving shaft, which drives the carrier plate to move, and the carrier plate drives the buffer plate to align with the main unit shaft. When the buffer plate is not aligned with the slot, the buffer plate will collide with the main unit shaft. The buffer plate presses the spring and utilizes the damper to reduce the impact on the buffer plate, thereby avoiding direct collision damage between the drive shaft and the main unit shaft due to misalignment. After the buffer plate is inserted into the slot, the inserting plate will be inserted into the slot immediately following the buffer plate, thereby achieving preliminary alignment and connection between the drive shaft and the main unit shaft.

[0017] 3. The present invention starts the hydraulic cylinder, which pulls the base plate to move in the vertical direction. The base plate drives the shaft generator body to move in the vertical direction through the support plate, thereby adjusting the height of the shaft generator body and facilitating adaptation to host shafts of various heights. The moving wheels can be used to conveniently push the parts on the entire base plate, thereby facilitating the movement of the shaft generator body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0021] Figure 3 Schematic diagram of the bottom plate structure of the present invention;

[0022] Figure 4 This is a schematic diagram of the drive shaft structure of the present invention;

[0023] Figure 5 Schematic diagram of the cross-sectional structure of the drive shaft of the present invention;

[0024] Figure 6 This is a schematic diagram of the main engine shaft structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the drive shaft structure of the present invention;

[0026] Figure 8 Schematic diagram of the connecting plate structure of the present invention;

[0027] Figure 9 It is a schematic diagram of the cross-sectional structure of the bottom plate of the present invention.

[0028] In the figure: 1. main engine shaft; 2. shaft-driven generator body; 3. drive shaft; 4. slot; 5. first limiting hole; 6. second limiting hole; 7. plug-in plate; 8. mounting mechanism; 801. mounting slot; 802. mounting screw hole; 9. buffer mechanism; 901. connecting plate; 902. mounting round hole; 903. carrier plate; 904. slide groove; 905. spring; 906. buffer plate; 907. mounting screw; 10. bottom plate; 11. support plate; 12. slide hole; 13. moving mechanism; 1301. bottom block; 1302. moving wheel; 1303. support rod; 1304. top plate; 1305. hydraulic cylinder; 14. limiting mechanism; 1401. limiting screw; 1402. connecting screw hole; 1403. limiting screw hole; 15. fixing bolt; 16. engine room. DETAILED DESCRIPTION

[0029] The following is a combination of the embodiments of the present invention Figure 1-9 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] Example

[0031] Please refer to Figure 1-9 The present invention provides the following technical solutions: A main power supply device for a ship using a shaft-belt generator, comprising two sets of main engine shafts 1 and a shaft-belt generator body 2 installed in an engine room 16, a plurality of slots 4 are opened on the side wall of the main engine shaft 1, a first limiting hole 5 is opened on the side wall of the slot 4, an input end of the shaft-belt generator body 2 is connected with a drive shaft 3, a plurality of second limiting holes 6 are opened on the side wall of the drive shaft 3, the second limiting holes 6 can be aligned with the first limiting holes 5, fixing bolts 15 are installed in the second limiting holes 6 and the first limiting holes 5, a plurality of plug-ins 7 are connected to the inner side wall of the drive shaft 3, a mounting mechanism 8 is provided on the drive shaft 3, a buffer mechanism 9 is installed on the mounting mechanism 8, a support plate 11 is connected to the bottom end of the side wall of the shaft-belt generator body 2, the bottom end of the support plate 11 is connected to the bottom plate 10, sliding holes 12 are opened on the top of the four corners of the bottom plate 10, a moving mechanism 13 is provided in the sliding hole 12, and a limiting mechanism 14 is provided on the bottom plate 10.

[0032] Automatic switching control on the shaft generator body 2 is performed by an automatic transfer switch (ATS), which is used to automatically switch the ship's power generation system. Under normal circumstances, a ship is typically equipped with two or more shaft generators, one of which serves as the primary generator, and the others as backup generators. If the primary generator fails or requires maintenance, the ATS automatically connects the backup generator to the grid to ensure normal power supply to the ship.

[0033] The basic principle of the ATS is to automatically control switching by detecting grid voltage and frequency. When the grid voltage and frequency are normal, the ATS connects the main generator in parallel to the grid, ensuring full power supply for the power generation system. If the grid voltage or frequency is abnormal, the ATS automatically switches to the backup generator.

[0034] The moving mechanism 13 is used to facilitate the promotion of the shaft-belt generator body 2, so that the shaft-belt generator body 2 drives the drive shaft 3 to be aligned and connected with the main engine shaft 1. The buffer mechanism 9 is used to prevent the drive shaft 3 from directly colliding with the main engine shaft 1 before being aligned with the main engine shaft 1, thereby avoiding collision damage between the drive shaft 3 and the main engine shaft 1. After the drive shaft 3 and the main engine shaft 1 are aligned, the shaft-belt generator body 2 is pushed so that the drive shaft 3 drives the plug-in plate 7 to be inserted into the slot 4, and the first limiting hole 5 and the second limiting hole 6 are aligned, and then the fixing bolt 15 is screwed in to achieve a fixed connection between the drive shaft 3 and the main engine shaft 1.

[0035] Please refer to Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 The mounting mechanism 8 includes a mounting groove 801 and a mounting screw hole 802. The side wall of the drive shaft 3 is provided with a plurality of mounting grooves 801. The side wall of the mounting groove 801 is provided with a mounting screw hole 802. The mounting grooves 801 correspond to the plugboard 7 one by one.

[0036] The buffer mechanism 9 includes a connecting plate 901, a mounting hole 902, a carrier plate 903, a slide groove 904, a spring 905, a buffer plate 906 and a mounting screw 907. The side wall of the mounting groove 801 is connected with the connecting plate 901, and the side wall of the connecting plate 901 is provided with a mounting hole 902. The mounting hole 902 can be aligned with the mounting screw hole 802. The bottom end of the connecting plate 901 is connected to the carrier plate 903. The side walls of the carrier plate 903 are provided with slide grooves 904. The slide grooves 904 The side wall is connected to a spring 905, and a damper is provided in the spring 905. The side wall of the slide groove 904 is slidably connected to a buffer plate 906. A mounting screw 907 is inserted into the mounting hole 902. The buffer plate 906 is U-shaped. The end side wall of the carrier plate 903 is aligned with the end side wall of the plug-in plate 7. The width of the buffer plate 906 is equal to the width of the slot 4, and the width of the plug-in plate 7 is equal to the width of the slot 4. The connecting plate 901 and the carrier plate 903 form a Z shape.

[0037] Insert the connecting plate 901 into the mounting groove 801 and align the mounting circular hole 902 with the mounting screw hole 802. Then, screw the mounting screw 907 into the mounting screw hole 802 to achieve a fixed connection between the connecting plate 901 and the drive shaft 3. At this time, the end face side wall of the carrier plate 903 is flush with the end face side wall of the plug plate 7. When the drive shaft 3 drives the connecting plate 901 to move, the connecting plate 901 drives the carrier plate 903 to move, and the carrier plate 903 drives the buffer plate 906 to align with the main shaft 1. When the buffer plate 906 is not aligned with the slot 4, the buffer plate 906 will collide with the main shaft 1. The buffer plate 906 presses the spring 905 and uses the damper to reduce the impact on the buffer plate 906, thereby avoiding direct collision and damage between the drive shaft 3 and the main shaft 1 due to misalignment. After the buffer plate 906 is inserted into the slot 4, the inserting plate 7 will follow the buffer plate 906 and be inserted into the slot 4, thereby realizing the preliminary alignment and connection between the drive shaft 3 and the main shaft 1.

[0038] Please refer to Figure 2 、 Figure 3 and Figure 9 The moving mechanism 13 includes a bottom block 1301, a moving wheel 1302, a support rod 1303, a top plate 1304 and a hydraulic cylinder 1305. The side wall of the sliding hole 12 is slidably connected to the bottom block 1301, the bottom end of the bottom block 1301 is connected to the moving wheel 1302, the top of the bottom block 1301 is connected to the support rod 1303, the top of the support rod 1303 is connected to the top plate 1304, the top of the support rod 1303 is connected to the hydraulic cylinder 1305, the output end of the hydraulic cylinder 1305 is connected to the bottom plate 10, the moving wheel 1302 can be made of an electric wheel, and the shape of the top plate 1304 is a U-shaped.

[0039] Start the hydraulic cylinder 1305, which pulls the base plate 10 to move in the vertical direction. The base plate 10 drives the shaft generator body 2 to move in the vertical direction through the support plate 11, thereby adjusting the height of the shaft generator body 2, making it convenient to adapt to the main engine shaft 1 of various heights. The moving wheel 1302 can be used to conveniently push the parts on the entire base plate 10, thereby facilitating the movement of the shaft generator body 2.

[0040] Please refer to Figure 2 、 Figure 3 and Figure 9 The limiting mechanism 14 includes a limiting screw 1401, a connecting screw hole 1402 and a limiting screw hole 1403. A plurality of limiting screw holes 1403 are provided on the side wall of the cabin 16 near the main engine shaft 1. A connecting screw hole 1402 is also provided at the corner of the side wall of the bottom plate 10. The side wall of the connecting screw hole 1402 is threadedly connected to the limiting screw 1401. The connecting screw hole 1402 can be aligned with the limiting screw hole 1403. The length of the limiting screw 1401 is greater than the length of the support rod 1303.

[0041] After the drive shaft 3 and the main engine shaft 1 are fixedly connected, a limiting screw hole 1403 is opened on the side wall of the cabin 16 below the connecting screw hole 1402, and then the limiting screw 1401 is screwed into the limiting screw hole 1403 to further fix the base plate 10 and ensure the stability of the shaft-belt generator body 2.

[0042] The working principle and use process of the present invention are as follows: when in use, the connecting plate 901 is inserted into the mounting groove 801, and the mounting circular hole 902 is aligned with the mounting screw hole 802, and then the mounting screw 907 is screwed into the mounting screw hole 802, thereby achieving a fixed connection between the connecting plate 901 and the drive shaft 3, and the hydraulic cylinder 1305 is started. The hydraulic cylinder 1305 pulls the bottom plate 10 to move in the vertical direction, and the bottom plate 10 drives the shaft generator body 2 to move in the vertical direction through the support plate 11, thereby achieving the height adjustment of the shaft generator body 2, which is convenient for adapting to the main engine shaft 1 of various heights. The moving wheel 1302 can be used to easily push the parts on the entire bottom plate 10, thereby facilitating the movement of the shaft generator body 2, and the drive shaft 3 drives the connecting plate 901 to move, the connecting plate 901 drives the carrier plate 903 to move, and the carrier plate 903 drives The buffer plate 906 moves toward the main engine shaft 1 to align. When the buffer plate 906 is not aligned with the slot 4, the buffer plate 906 will collide with the main engine shaft 1. The buffer plate 906 presses the spring 905 and uses the damper to reduce the impact on the buffer plate 906, thereby avoiding direct collision damage between the drive shaft 3 and the main engine shaft 1 due to misalignment. After the buffer plate 906 is inserted into the slot 4, the insert plate 7 will follow the buffer plate 906 and be inserted into the slot 4 to achieve a preliminary alignment connection between the drive shaft 3 and the main engine shaft 1. After the drive shaft 3 and the main engine shaft 1 are fixedly connected, a limiting screw hole 1403 is opened on the side wall of the cabin 16 below the connecting screw hole 1402, and then the limiting screw 1401 is screwed into the limiting screw hole 1403, thereby further fixing the base plate 10 to ensure the stability of the shaft-belt generator body 2.

[0043] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A ship main power supply device using a shaft generator, comprising two sets of main engine shafts (1) and a shaft generator body (2) installed in an engine room (16), characterized in that: The side wall of the main engine shaft (1) is provided with a plurality of slots (4), the side wall of the slots (4) is provided with a first limiting hole (5), the input end of the shaft-driven generator body (2) is connected to the drive shaft (3), the side wall of the drive shaft (3) is provided with a plurality of second limiting holes (6), the second limiting holes (6) can be aligned with the first limiting holes (5), fixing bolts (15) are installed in the second limiting holes (6) and the first limiting holes (5), and the inner side wall of the drive shaft (3) is provided with a plurality of second limiting holes (6). A plurality of plug plates (7) are connected, a mounting mechanism (8) is provided on the drive shaft (3), a buffer mechanism (9) is installed on the mounting mechanism (8), a support plate (11) is connected to the bottom end of the side wall of the shaft-driven generator body (2), the bottom end of the support plate (11) is connected to the bottom plate (10), sliding holes (12) are provided at the top ends of the four corners of the bottom plate (10), a moving mechanism (13) is provided in the sliding hole (12), and a limiting mechanism (14) is provided on the bottom plate (10).

2. The main power supply device for a ship using a shaft generator according to claim 1, characterized in that: The mounting mechanism (8) comprises a mounting slot (801) and a mounting screw hole (802); a plurality of mounting slots (801) are provided on the side wall of the drive shaft (3); a mounting screw hole (802) is provided on the side wall of the mounting slot (801); and the mounting slots (801) correspond one to one with the plugboard (7).

3. The main power supply device for a ship using a shaft generator according to claim 2, characterized in that: The buffer mechanism (9) comprises a connecting plate (901), a mounting circular hole (902), a carrier plate (903), a slide groove (904), a spring (905), a buffer plate (906) and a mounting screw (907). The side wall of the mounting groove (801) is connected with the connecting plate (901) by insertion. The side wall of the connecting plate (901) is provided with a mounting circular hole (902). The mounting circular hole (902) can be aligned with the mounting screw hole (802). The bottom end of the connecting plate (901) is connected with the carrier plate (903). Both side walls of the carrier plate (903) are provided with slide grooves (904). The side wall of the slide groove (904) is connected with a spring (905). A damper is arranged in the spring (905). The side wall of the slide groove (904) is slidably connected with the buffer plate (906). The mounting circular hole (902) is provided with a mounting screw (907).

4. The main power supply device for a ship using a shaft generator according to claim 3, characterized in that: The buffer plate (906) is in a U-shape, the end face side wall of the carrier plate (903) is aligned with the end face side wall of the plug plate (7), the width of the buffer plate (906) is equal to the width of the slot (4), the width of the plug plate (7) is equal to the width of the slot (4), and the connecting plate (901) and the carrier plate (903) form a Z-shape.

5. The main power supply device for a ship using a shaft generator according to claim 1, characterized in that: The moving mechanism (13) comprises a bottom block (1301), a moving wheel (1302), a support rod (1303), a top plate (1304) and a hydraulic cylinder (1305); the side wall of the sliding hole (12) is slidably connected to the bottom block (1301); the bottom end of the bottom block (1301) is connected to the moving wheel (1302); the top end of the bottom block (1301) is connected to the support rod (1303); the top end of the support rod (1303) is connected to the top plate (1304); the top end of the support rod (1303) is connected to the hydraulic cylinder (1305); and the output end of the hydraulic cylinder (1305) is connected to the bottom plate (10).

6. The main power supply device for a ship using a shaft generator according to claim 5, characterized in that: The moving wheel (1302) can be made of an electric wheel, and the top plate (1304) is in the shape of a square.

7. The main power supply device for a ship using a shaft generator according to claim 5, characterized in that: The limiting mechanism (14) includes a limiting screw (1401), a connecting screw hole (1402) and a limiting screw hole (1403). A plurality of limiting screw holes (1403) are provided on the side wall of the cabin (16) near the main engine shaft (1). A connecting screw hole (1402) is also provided at a corner of the side wall of the bottom plate (10). The side wall of the connecting screw hole (1402) is threadedly connected to the limiting screw (1401). The connecting screw hole (1402) can be aligned with the limiting screw hole (1403).

8. The main power supply device for a ship using a shaft generator according to claim 7, characterized in that: The length of the limiting screw (1401) is greater than the length of the supporting rod (1303).

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