Stator structure of electro-magnetic generator for split-type journal-sticking ship

Abstract

The utility model discloses an electro-magnetic generator stator structure for a split type journal sticking ship, which belongs to the technical field of marine axle generators, and comprises a lower shell and an upper shell, the upper shell is placed above the lower shell, end covers are respectively mounted at two ends of the lower shell and the upper shell, a lower iron core is sleeved on the inner side of the lower shell, and an upper iron core is sleeved on the inner side of the lower iron core. The inner side of the upper shell is sleeved with an upper iron core, and the bottom face of the upper iron core is attached to the top face of the lower iron core. According to the utility model, the lower shell, the upper shell, the lower iron core and the upper iron core are all of an up-and-down split structure, so that when the generator breaks down, the fastening screws can be detached from the generator to release the fixation between the lower shell and the upper shell, and the upper shell and the lower iron core can be detached from the generator in a short time; in addition, the control rod driving mechanism has the advantages of being compact in structure and high in reliability, and the operation safety of the control rod driving mechanism is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of marine shaft generator, more particularly to a split type embrace axle marine electric excitation generator stator structure. BACKGROUND

[0002] The generator stator is the stationary part of the motor. Its components mainly include the core, the base, the coil and the like. The stator core is the main magnetic circuit of the stator and is also the installation and fixing part of the stator winding, and the base is used to fix the core.

[0003] Through the search, the utility model patent with publication number CN203423543U discloses a generator stator structure which is simple and reliable in structure and excellent in insulation performance, contains a stator core, a stator coil and a stator body which is in the form of a whole annular structure, and has A-phase wire bundles, B-phase wire bundles, C-phase wire bundles and a neutral wire N led out of the stator coil; wherein, the A-phase wire bundles, the B-phase wire bundles and the C-phase wire bundles are respectively sleeved with insulation tubes, the end heads of which are provided with joints with through holes; the neutral wire N is sleeved with an insulation sleeve, and the end head thereof is also provided with a joint with a through hole; the A-phase wire bundles, the B-phase wire bundles, the C-phase wire bundles and the neutral wire N are simultaneously passed through the insulation protective tube; the stator body is provided with insulation grooves, the stator coil is passed through the insulation grooves, and the insulation grooves are provided with slot wedges; further, the insulation tube, the insulation sleeve and the insulation protective tube are all glass fiber paint tubes, and their diameters increase in sequence.

[0004] But the above patent still has the following deficiencies: it is only suitable for ordinary generator working occasions, and has many inadaptabilities for marine shaft generator working occasions, for example, when the generator fails, the running ship cannot stop running because of the generator failure, and the generator needs to be separated from the main shaft of the ship in a short time, which cannot be realized by the ordinary generator. Therefore, we propose a split type embrace axle marine electric excitation generator stator structure. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims to provide a split type embrace axle marine electric excitation generator stator structure.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] The utility model relates to a kind of split type embrace axle marine electric excitation generator stator structure, including lower shell and upper shell, the upper shell is placed in the upper of lower shell, the both ends of lower shell and upper shell are equipped with end cap respectively, the inside of lower shell is equipped with lower core, the inside of upper shell is equipped with upper core, the bottom surface of upper core and the top surface of lower core are in contact, three-phase coil is equipped on the lower core and upper core, three leads are arranged on the two three-phase coils, the end of lead is extended to the outside of lower shell and upper shell respectively, the inside of lower core and upper core is equipped with shield spacer respectively, shield end plate is movably sleeved in the inner chamber of lower shell and upper shell and located at the outside of shield spacer.

[0008] As a preferred scheme of the utility model, a plurality of tooth slots are provided on the lower core and the upper core, an insulating layer is provided on the inside of the plurality of tooth slots, the three-phase coils are sleeved on the inside of the tooth slots, and the two three-phase coils adopt double-Y connection method.

[0009] As a preferred scheme of the utility model, screw holes are formed at the both ends of the lower shell and the upper shell, fastening screws are sleeved on the two end caps respectively, and the end of the fastening screw is screw-mounted into the inner chamber of the screw hole.

[0010] As a preferred scheme of the utility model, a second insertion slot is formed on the top surface of the lower shell, a second socket is fixedly connected to the bottom surface of the upper shell, the bottom end of the second socket is movably sleeved into the inner chamber of the second insertion slot, and the inner wall of the second insertion slot and the side surface of the second socket are in contact.

[0011] As a preferred scheme of the utility model, a first insertion slot is formed on the inner wall of the lower shell and the upper shell, a first socket is arranged on the bottom of the lower core and the top of the upper core, the first socket is movably sleeved into the inner chamber of the first insertion slot, and the side surface of the first socket and the inner wall of the first insertion slot are in contact.

[0012] As a preferred scheme of the utility model, a third insertion slot is formed on the top surface of the lower core, a third socket is fixedly connected to the bottom surface of the upper core, the bottom end of the third socket is movably sleeved into the inner chamber of the third insertion slot, and the inner wall of the third insertion slot and the side surface of the third socket are in contact.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses, lower casing and upper casing, lower iron core and upper iron core are all upper and lower split type structure, when the generator appears the fault, can through the fastening screw from the generator is taken off and is removed the fixed between lower casing and upper casing, in short time, upper casing and lower iron core are taken off from the generator, reduced the difficulty of maintenance and the fault off -network time of generator, and have compact structure, high reliability's characteristics, greatly improved the safety of control rod drive mechanism operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the section view schematic diagram of the utility model;

[0017] Figure 3 It is the split schematic diagram of lower casing and upper casing of the utility model;

[0018] Figure 4 It is the split schematic diagram of lower iron core and upper iron core of the utility model;

[0019] Figure 5 It is the section view schematic diagram of lower iron core and upper iron core of the utility model.

[0020] Mark number explanation: 1, lower casing;2, upper casing;3, end cover;4, lower iron core;5, upper iron core;6, three-phase coil;7, lead;8, shield spacer;9, tooth slot;10, insulating layer;11, first insertion slot;12, first socket;13, third insertion slot;14, third socket;15, second insertion slot;16, second socket;17, screw hole;18, fastening screw;19, shield end plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the term "installation", "set with", "sleeve / interfacing", "connection" and so on, should be broadly understood, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate media, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Embodiment:

[0025] Please refer to Figures 1-5 A split type electrically excited generator stator structure for marine electrically excited generator, including lower shell 1 and upper shell 2, upper shell 2 is placed on the upper side of lower shell 1, the both ends of lower shell 1 and upper shell 2 are respectively provided with end cover 3, the inner side of lower shell 1 is sleeved with lower core 4, the inner side of upper shell 2 is sleeved with upper core 5, the bottom surface of upper core 5 and the top surface of lower core 4 are fitted, three-phase coil 6 is sleeved on lower core 4 and upper core 5, three-phase coil 6 is provided with three leads 7, the end of lead 7 extends to the outside of lower shell 1 and upper shell 2 respectively, the inner side of lower core 4 and upper core 5 is respectively sleeved with shielding spacer 8, the inner cavity of lower shell 1 and upper shell 2 and the outer side of shielding spacer 8 movably sleeve shielding end plate 19.

[0026] In the embodiment, the stator can adopt inorganic insulating material, lower shell 1, upper shell 2, shielding spacer 8 and shielding end plate 19 form a closed chamber for packaging lower core 4, upper core 5 and three-phase coil 6, the closed chamber is filled with filler, in addition, upper terminal box can be provided on lower shell 1 and upper shell 2, so as to place lead 7, and wiring can be carried out in terminal box, three-phase coil 6 is star point connection.

[0027] Specifically, please refer to Figure 2 And Figure 4 Lower core 4 and upper core 5 are provided with a plurality of tooth slots 9, the inner side of a plurality of tooth slots 9 is provided with insulating layer 10, three-phase coil 6 is sleeved on the inner side of tooth slot 9, two three-phase coils 6 adopt double Y connection method.

[0028] Specifically, please refer to Figure 2 , the two ends of the lower shell 1 and the upper shell 2 are respectively provided with screw holes 17, and the two end covers 3 are respectively sleeved with fastening screws 18, and the end portions of the fastening screws 18 are threadedly installed into the inner cavities of the screw holes 17.

[0029] In this embodiment, the end cover 3 is installed at the end portions of the lower shell 1 and the upper shell 2 through the cooperation of the screw hole 17 and the fastening screw 18, and the lower shell 1 and the upper shell 2 are fixed.

[0030] Specifically, please refer to Figure 3 , the top surface of the lower shell 1 is provided with a second slot 15, and the bottom surface of the upper shell 2 is fixedly connected with a second socket 16, the bottom end of the second socket 16 is movably sleeved into the inner cavity of the second slot 15, and the inner wall of the second slot 15 and the side surface of the second socket 16 are in abutment.

[0031] In this embodiment, the cooperation of the second slot 15 and the second socket 16 ensures that the upper shell 2 is stably inserted and assembled on the lower shell 1.

[0032] Specifically, please refer to Figure 2 and Figure 4 , the inner walls of the lower shell 1 and the upper shell 2 are respectively provided with first slots 11, and the bottom of the lower core 4 and the top of the upper core 5 are respectively provided with first sockets 12, the first sockets 12 are movably sleeved into the inner cavities of the first slots 11, and the side surfaces of the first sockets 12 and the inner walls of the first slots 11 are in abutment.

[0033] In this embodiment, the cooperation between the first slot 11 and the first socket 12 ensures the stability of the lower core 4 located in the lower shell 1 and the upper core 5 located in the upper shell 2, and in addition, the lower core 4 and the upper core 5 can be fixed on the lower shell 1 and the upper shell 2 by the adhesive fixing method.

[0034] Specifically, please refer to Figure 4 , the top surface of the lower core 4 is provided with a third slot 13, and the bottom surface of the upper core 5 is fixedly connected with a third socket 14, the bottom end of the third socket 14 is movably sleeved into the inner cavity of the third slot 13, and the inner wall of the third slot 13 and the side surface of the third socket 14 are in abutment.

[0035] In this embodiment, the installation stability between the lower core 4 and the upper core 5 is ensured by inserting the third socket 14 into the third slot 13.

[0036] Working principle: in use, first, the teeth slot 9 on the lower core 4 and the upper core 5 is wound with the upper three-phase coil 6, and the lower core 4 is placed in the lower shell 1, and the first socket 12 below the lower core 4 is inserted into the first slot 11 of the inner wall of the lower shell 1, and the upper core 5 is placed in the upper shell 2, and the first socket 12 above the upper core 5 is inserted into the first slot 11 of the inner wall of the upper shell 2, then the upper shell 2 is placed on the lower shell 1, and the upper core 5 covers the lower core 4, at this time, the second socket 16 at the bottom of the upper shell 2 is inserted into the second slot 15 on the top surface of the lower shell 1, and the third socket 14 at the bottom of the upper core 5 is inserted into the third slot 13 on the top surface of the lower core 4, then the lead 7 of the two three-phase coils 6 is pulled out to the outside of the lower shell 1 and the upper shell 2, the lower shell 1 and the upper shell 2 are provided with through holes for the lead 7 to pass through, and the lower core 4 and the upper core 5 are sleeved with the two shielding sleeves 8, and the inner cavity of the lower shell 1 and the upper shell 2 is sleeved with the shielding end plate 19, and the inner space of the lower shell 1, the upper shell 2, the shielding sleeve 8 and the shielding end plate 19 is filled with the filler, and finally the end cover 3 is covered on both ends of the lower shell 1 and the upper shell 2, and the end cover 3 is installed on both ends of the lower shell 1 and the upper shell 2 through the cooperation of the fastening screw 18 and the screw hole 17, so as to fix the lower shell 1 and the upper shell 2.

[0037] When the marine generator fails, the fastening screw 18 can be removed to disconnect the lower shell 1 and the upper shell 2, and the upper shell 2 and the upper core 5 can be removed from the top for maintenance.

[0038] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A split axle-hugging marine electrically excited generator stator structure, characterized by: The utility model provides a three-phase transformer, including lower shell (1) and upper shell (2), upper shell (2) places the top of lower shell (1), and the both ends of lower shell (1) and upper shell (2) are installed with end cover (3) respectively, the inside of lower shell (1) is equipped with lower core (4), the inside of upper shell (2) is equipped with upper core (5), the bottom surface of upper core (5) and the top surface of lower core (4) are in conjunction, and the lower core (4) and upper core (5) are all equipped with three phase coil (6), and two three phase coils (6) are all provided with three lead wires (7), and the end of lead wire (7) extends to the outside of lower shell (1) and upper shell (2) respectively, and the inside of lower core (4) and upper core (5) is equipped with shield spacer (8) respectively, and the inner chamber of lower shell (1) and upper shell (2) and located the outside shield spacer (8) are movably sleeved with shield end plate (19).

2. A split pole shaft-hugging electrically excited generator stator structure for marine use according to claim 1, characterized in that: The utility model provides a three-phase transformer, including lower shell (1) and upper shell (2), upper shell (2) places the top of lower shell (1), and the both ends of lower shell (1) and upper shell (2) are installed with end cover (3) respectively, the inside of lower shell (1) is equipped with lower core (4), the inside of upper shell (2) is equipped with upper core (5), the bottom surface of upper core (5) and the top surface of lower core (4) are in conjunction, and the lower core (4) and upper core (5) are all equipped with three phase coil (6), and two three phase coils (6) are all provided with three lead wires (7), and the end of lead wire (7) extends to the outside of lower shell (1) and upper shell (2) respectively, and the inside of lower core (4) and upper core (5) is equipped with shield spacer (8) respectively, and the inner chamber of lower shell (1) and upper shell (2) and located the outside shield spacer (8) are movably sleeved with shield end plate (19).

3. A split pole shaft-hugging electrically excited generator stator structure for marine use according to claim 1, characterized in that: The utility model provides a three-phase transformer, including lower shell (1) and upper shell (2), upper shell (2) places the top of lower shell (1), and the both ends of lower shell (1) and upper shell (2) are installed with end cover (3) respectively, the inside of lower shell (1) is equipped with lower core (4), the inside of upper shell (2) is equipped with upper core (5), the bottom surface of upper core (5) and the top surface of lower core (4) are in conjunction, and the lower core (4) and upper core (5) are all equipped with three phase coil (6), and two three phase coils (6) are all provided with three lead wires (7), and the end of lead wire (7) extends to the outside of lower shell (1) and upper shell (2) respectively, and the inside of lower core (4) and upper core (5) is equipped with shield spacer (8) respectively, and the inner chamber of lower shell (1) and upper shell (2) and located the outside shield spacer (8) are movably sleeved with shield end plate (19).

4. A split pole shaft-hugging electrically excited generator stator structure for marine use according to claim 1, characterized in that: The utility model provides a three-phase transformer, including lower shell (1) and upper shell (2), upper shell (2) places the top of lower shell (1), and the both ends of lower shell (1) and upper shell (2) are installed with end cover (3) respectively, the inside of lower shell (1) is equipped with lower core (4), the inside of upper shell (2) is equipped with upper core (5), the bottom surface of upper core (5) and the top surface of lower core (4) are in conjunction, and the lower core (4) and upper core (5) are all equipped with three phase coil (6), and two three phase coils (6) are all provided with three lead wires (7), and the end of lead wire (7) extends to the outside of lower shell (1) and upper shell (2) respectively, and the inside of lower core (4) and upper core (5) is equipped with shield spacer (8) respectively, and the inner chamber of lower shell (1) and upper shell (2) and located the outside shield spacer (8) are movably sleeved with shield end plate (19).

5. A split pole shaft-hugging electrically excited generator stator structure for marine use according to claim 1, characterized in that: ​ 6. A split pole shaft-hugging electrically excited generator stator structure for marine use according to claim 1, characterized in that: ​

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