Electric excitation generator rotor structure for split type journal sticking ship

Abstract

The utility model discloses an electro-magnetic generator rotor structure for a split type journal sticking ship, which belongs to the technical field of steamship axle generators and comprises a main shaft, a rotor core is sleeved on the outer side of the main shaft, a rotating shaft hole is arranged on the inner side of the rotor core, and expansion inner sleeve mechanisms are respectively sleeved on the outer side of the main shaft and positioned at two ends of the rotor core. According to the utility model, through the cooperation of the adjusting bolt, the adjusting hole and the third screw hole, the outer inclined sliding sleeve is inserted into the inner inclined sliding groove, so that the outer expansion sleeve is used for fixing the rotor iron core sleeved on the outer side of the main shaft; when the generator breaks down, the outer inclined sliding sleeve can be separated from the inner side of the inner inclined sliding groove by rotating the adjusting bolt, so that the fixation of the rotor core by the outer expansion sleeve is relieved, the fixation of the rotor core from the main shaft is relieved in a short time, the maintenance difficulty is reduced, the fault off-network time of the generator is shortened, and the practicability of the generator is improved.

Description

TECHNICAL FIELD

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

[0002] The generator refers to the mechanical equipment that converts mechanical energy into electric energy, it is driven by water turbine, steam turbine, diesel engine or other power machinery, and converts the energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to give to the generator, and then converts the mechanical energy into electric energy, the generator is usually composed of stator, rotor, end cover and bearing and the like.

[0003] Through the retrieval, the utility model discloses a generator rotor structure with publication No. CN220964429U, including the rotating shaft and the rotor core installed on the rotating shaft, the rotor core is composed of rotor core main body and rotor core end portion stop piece, the rotor core end portion stop piece is provided with two and is distributed at the both ends of rotor core main body, the rotor core main body is combined by a plurality of rotor core pieces, the rotor core piece is composed of connecting seat one and connecting plate one, the connecting seat one is circular sheet structure, and the rotating shaft hole one is formed in the center position of connecting seat one, and the connecting plate one is rectangular sheet structure;The rotor core of this patent is composed of rotor core main body and rotor core end portion stop piece, wherein the rotor core piece constituting the rotor core main body does not have T-shaped structure, and each winding column of the rotor core end portion stop piece forms T-shaped structure through two head blocking blocks, since the head blocking blocks can rotate, manual winding rotor coil is facilitated.

[0004] But the above patent still has the following deficiencies: only applicable to ordinary generator working occasion, for the working occasion of marine shaft generator, there are many inadaptability, such as when the generator fails, the running ship can not stop running because of the generator failure, needs to separate the generator from the main shaft of the ship in a short time, and the ordinary generator is not realized, therefore we propose a split type embrace axle marine electric excitation generator rotor structure. UTILITY MODEL CONTENTS

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

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

[0007] The utility model provides a kind of split type embrace axle marine electrically excited generator rotor structure, including main shaft, the outside of the main shaft is sleeved with rotor core, the inside of the rotor core is provided with rotation shaft hole, the outside of the main shaft and located the both ends of rotor core is respectively sleeved with expansion inner sleeve mechanism, the outside of the main shaft and located the both ends of rotor core is respectively sleeved with expansion outer sleeve mechanism, the end of the expansion outer sleeve mechanism is provided with outer expansion sleeve pipe, the end of the outer expansion sleeve pipe is movably sleeved to the inner cavity of rotation shaft hole, a plurality of second movable grooves are opened in the outer expansion sleeve pipe, the inside of the outer expansion sleeve pipe is provided with inner inclined sliding groove, two third screw holes are provided on the expansion outer sleeve mechanism, the end of the expansion inner sleeve mechanism is provided with outer inclined sliding sleeve, the end of the outer inclined sliding sleeve is movably sleeved to the inside of inner inclined sliding groove, a plurality of first movable grooves are opened in the outer inclined sliding sleeve, two adjusting holes are provided on the expansion inner sleeve mechanism, the inside of two adjusting holes is respectively sleeved with adjusting bolt, the end of two adjusting bolts is respectively threadedly installed to the inner cavity of third screw hole.

[0008] As a preferred scheme of the utility model, the expansion outer sleeve mechanism includes two outer split expansion sleeves sleeved on the outside of the main shaft, the outer expansion sleeve pipe is located at the end of the two outer split expansion sleeves, second screw holes are respectively opened in the two sides of one of the outer split expansion sleeves, second mounting grooves are respectively opened in the two sides of the other outer split expansion sleeve, second bolts are respectively sleeved in the inner cavities of the two second mounting grooves, the ends of the two second bolts are respectively threadedly installed to the inner cavities of the second screw holes, and the two third screw holes are respectively opened in the two outer split expansion sleeves.

[0009] As a preferred scheme of the utility model, the expansion inner sleeve mechanism includes two inner split expansion sleeves sleeved on the outside of the main shaft, first screw holes are respectively opened in the two sides of one of the inner split expansion sleeves, first mounting grooves are respectively opened in the two sides of the other inner split expansion sleeve, first bolts are respectively sleeved in the inner cavities of the two first mounting grooves, the ends of the two first bolts are respectively threadedly installed to the inner cavities of the first screw holes, and the two adjusting holes are respectively opened in the two inner split expansion sleeves.

[0010] As a preferred scheme of the utility model, the outer side surface of the outer expansion sleeve pipe and the inner side surface of the rotation shaft hole are in contact.

[0011] As a preferred scheme of the utility model, the outer side surface of the end of the outer inclined sliding sleeve and the inner wall of the inner inclined sliding groove are in contact.

[0012] As a preferred scheme of the utility model, the inner side surfaces of the outer inclined sliding sleeve and the outer expansion sleeve pipe are in contact with the outer side surface of the main shaft.

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

[0014] The utility model discloses a first screw hole, first installation groove and the cooperation of first bolt makes two inside split expansion sleeve set up tight inner sleeve mechanism, through the cooperation of second screw hole, second installation groove and second bolt makes two outside split expansion sleeve set up tight outer sleeve mechanism, through the cooperation of adjusting bolt, adjusting hole and third screw hole makes the outer inclined sliding sleeve insert into the inner inclined sliding groove, thereby makes the outer expansion sleeve pipe fixed rotor iron core on the outside of main shaft, in addition when the generator appears the failure, can make the outer inclined sliding sleeve separate from the inside of inner inclined sliding groove through the rotation adjusting bolt, thereby removes the fixing of rotor iron core by the outer expansion sleeve pipe, realizes the rotor iron core from the main shaft in short time and removes the fixed, reduced the difficulty of maintenance and the failure off -network time of generator, the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is whole structure explosion drawing of the utility model;

[0017] Figure 3 It is whole sectional view schematic diagram of the utility model;

[0018] Figure 4 It is split schematic diagram of the utility model expansion inner sleeve mechanism and expansion outer sleeve mechanism;

[0019] Figure 5 It is sectional view schematic diagram of the utility model outer expansion sleeve pipe.

[0020] Mark explanation in drawing:

[0021] 1, main shaft;2, rotor iron core;3, rotating shaft hole;4, expansion inner sleeve mechanism;5, expansion outer sleeve mechanism;6, outer inclined sliding sleeve;7, first movable groove;8, outer expansion sleeve pipe;9, second movable groove;10, inner inclined sliding groove;11, third screw hole;12, adjusting hole;13, adjusting bolt;14, inside split expansion sleeve;15, first screw hole;16, first installation groove;17, first bolt;18, outside split expansion sleeve;19, second screw hole;20, second installation groove;21, second bolt. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction 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, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to explain, the term '' upper '' '' lower '' '' inside '' '' outside '' '' top / bottom end '' etc. Indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, with a particular orientation structure and operation, 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.

[0024] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms '' installation '' '' provided with '' '' set / interface '' '' connection '' etc. 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 the intermediate medium, 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.

[0025] Embodiment:

[0026] Please refer to Figures 1-5 , a split type embrace axle marine electrically excited generator rotor structure, including main shaft 1, the outer side of main shaft 1 is provided with rotor iron core 2, the inner side of rotor iron core 2 is provided with rotating shaft hole 3, the outer side of main shaft 1 and located at the both ends of rotor iron core 2 is provided with expansion inner sleeve mechanism 4 respectively, the outer side of main shaft 1 and located at the both ends of rotor iron core 2 is provided with expansion outer sleeve mechanism 5 respectively, the end of expansion outer sleeve mechanism 5 is provided with outer expansion sleeve pipe 8, the end of outer expansion sleeve pipe 8 is movably sleeved to the inner cavity of rotating shaft hole 3, a plurality of second movable grooves 9 are formed in outer expansion sleeve pipe 8, the inner side of outer expansion sleeve pipe 8 is provided with inner inclined sliding groove 10, two third screw holes 11 are formed in expansion outer sleeve mechanism 5, the end of expansion inner sleeve mechanism 4 is provided with outer inclined sliding sleeve 6, the end of outer inclined sliding sleeve 6 is movably sleeved to the inner side of inner inclined sliding groove 10, a plurality of first movable grooves 7 are formed in outer inclined sliding sleeve 6, two adjusting holes 12 are formed in expansion inner sleeve mechanism 4, two adjusting holes 12 are movably sleeved with adjusting bolt 13 respectively, the ends of two adjusting bolts 13 are respectively screwed into the inner cavity of third screw hole 11.

[0027] Specifically, please refer to Figure 2 、 Figure 4 And Figure 5The expansion outer sleeve mechanism 5 comprises two outer split expansion sleeves 18 sleeved outside the main shaft 1, the outer expansion sleeve 8 is located at the end of the two outer split expansion sleeves 18, the two sides of one of the outer split expansion sleeves 18 are respectively provided with a second screw hole 19, the two sides of the other outer split expansion sleeve 18 are respectively provided with a second mounting groove 20, the inner cavities of the two second mounting grooves 20 are respectively sleeved with a second bolt 21, the ends of the two second bolts 21 are respectively screwed into the inner cavities of the second screw holes 19, and the two third screw holes 11 are respectively arranged on the two outer split expansion sleeves 18.

[0028] In the embodiment, the two outer split expansion sleeves 18 are sleeved on the main shaft 1 to form the expansion outer sleeve mechanism 5 through cooperation of the second screw hole 19, the second mounting groove 20 and the second bolt 21.

[0029] Specifically, please refer to Figure 2 , Figure 4 and Figure 5 , the expansion inner sleeve mechanism 4 comprises two inner split expansion sleeves 14 sleeved outside the main shaft 1, the two sides of one of the inner split expansion sleeves 14 are respectively provided with a first screw hole 15, the two sides of the other inner split expansion sleeve 14 are respectively provided with a first mounting groove 16, the inner cavities of the two first mounting grooves 16 are respectively sleeved with a first bolt 17, the ends of the two first bolts 17 are respectively screwed into the inner cavities of the first screw holes 15, and the two adjusting holes 12 are respectively arranged on the two inner split expansion sleeves 14.

[0030] In the embodiment, the two inner split expansion sleeves 14 are sleeved on the main shaft 1 to form the expansion inner sleeve mechanism 4 through cooperation of the first screw hole 15, the first mounting groove 16 and the first bolt 17.

[0031] Specifically, please refer to Figure 1 , Figure 2 and Figure 4 , the outer side surface of the outer expansion sleeve 8 is in abutment with the inner side surface of the rotating shaft hole 3.

[0032] In the embodiment, the stability of the outer expansion sleeve 8 inserted into the inner cavity of the rotating shaft hole 3 is ensured.

[0033] Specifically, please refer to Figure 4 and Figure 5 , the outer side surface of the outer inclined sliding sleeve 6 is in abutment with the inner wall of the inner inclined sliding groove 10.

[0034] In the embodiment, the movement of the outer inclined sliding sleeve 6 can push the outer expansion sleeve 8 to move outward, so that the outer expansion sleeve 8 extrudes the inner wall of the rotating shaft hole 3.

[0035] Specifically, please refer to Figure 1 and Figure 4 , the inner side surfaces of the outer inclined sliding sleeve 6 and the outer expansion sleeve 8 are respectively in abutment with the outer side surface of the main shaft 1.

[0036] In this embodiment, the stability of the expansion inner sleeve mechanism 4 and the expansion outer sleeve mechanism 5 is ensured.

[0037] Working principle: when in use, firstly, the rotor core 2 is sleeved on the outside of the main shaft 1, and two inner split expansion sleeves 14 and two outer split expansion sleeves 18 are clamped on the two ends of the rotor core 2 respectively, then the two inner split expansion sleeves 14 are fixed by inserting the first bolt 17 into the first installation slot 16 and screwing the bottom end of the first bolt 17 into the first screw hole 15, and the two outer split expansion sleeves 18 are fixed by inserting the second bolt 21 into the second installation slot 20 and screwing the bottom end of the second bolt 21 into the second screw hole 19, then the outer expansion sleeve 8 at the end of the outer split expansion sleeve 18 is inserted into the rotating shaft hole 3 inside the rotor core 2, and the outer inclined sliding sleeve 6 at the end of the inner split expansion sleeve 14 is inserted into the inside of the outer split expansion sleeve 18 and the outer expansion sleeve 8, and the outer side surface of the outer inclined sliding sleeve 6 is in close contact with the inner wall of the inner inclined sliding groove 10, finally, the adjusting bolt 13 is sleeved in the adjusting hole 12, and the end of the adjusting bolt 13 is screwed into the third screw hole 11, and the outer inclined sliding sleeve 6 is clamped into the inner inclined sliding groove 10 through the cooperation of the adjusting hole 12, the third screw hole 11 and the adjusting bolt 13, and the outer expansion sleeve 8 is pressed against the inner wall of the rotating shaft hole 3 by the outward thrust of the outer inclined sliding sleeve 6, so as to fix the rotor core 2, and the outer inclined sliding sleeve 6 is pressed against the outer side surface of the main shaft 1 by the inward thrust of the inner side surface of the inner inclined sliding groove 10, so as to fix the two inner split expansion sleeves 14 and the two outer split expansion sleeves 18, and then fix the rotor core 2, and when the generator is working, it can withstand a torque of 54000N.m, and the rotor core 2 will not displace the main shaft 1;

[0038] When it is needed to release the rotation of the rotor core 2 from the main shaft 1, the adjusting bolt 13 is directly reversed to make the end of the adjusting bolt 13 disengage from the inner cavity of the third screw hole 11, so that the inner split expansion sleeve 14 and the outer split expansion sleeve 18 are separated from each other, the outer inclined sliding sleeve 6 at the end of the inner split expansion sleeve 14 is disengaged from the inner inclined sliding groove 10 inside the outer expansion sleeve 8, and then the outer expansion sleeve 8 is released from the fixation of the rotor core 2.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, 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-skimmed electrically excited generator rotor structure for a marine vessel, comprising a main shaft (1), characterised in that: The outer side of the main shaft (1) is sleeved with a rotor core (2), the inner side of the rotor core (2) is provided with a rotating shaft hole (3), the outer side of the main shaft (1) and at both ends of the rotor core (2) is respectively sleeved with an expansion inner sleeve mechanism (4), the outer side of the main shaft (1) and at both ends of the rotor core (2) is respectively sleeved with an expansion outer sleeve mechanism (5), the end of the expansion outer sleeve mechanism (5) is provided with an outer expansion sleeve pipe (8), the end of the outer expansion sleeve pipe (8) is movably sleeved to the inner cavity of the rotating shaft hole (3), a plurality of second movable grooves (9) are formed in the outer expansion sleeve pipe (8), the inner side of the outer expansion sleeve pipe (8) is provided with an inner inclined sliding groove (10), the expansion outer sleeve mechanism (5) is provided with two third screw holes (11), the end of the expansion inner sleeve mechanism (4) is provided with an outer inclined sliding sleeve (6), the end of the outer inclined sliding sleeve (6) is movably sleeved to the inner side of the inner inclined sliding groove (10), a plurality of first movable grooves (7) are formed in the outer inclined sliding sleeve (6), the expansion inner sleeve mechanism (4) is provided with two adjusting holes (12), the inner side of the two adjusting holes (12) is respectively sleeved with an adjusting bolt (13), the end of the two adjusting bolts (13) is respectively screwed into the inner cavity of the third screw hole (11).

2. A split pole shaft-hugging electrically excited generator rotor structure for marine use according to claim 1, characterized in that: The expansion outer sleeve mechanism (5) comprises two outer split expansion sleeves (18) sleeved on the outer side of the main shaft (1), the outer expansion sleeve pipe (8) is located at the end of the two outer split expansion sleeves (18), the two sides of one of the outer split expansion sleeves (18) are respectively provided with second screw holes (19), the two sides of the other of the outer split expansion sleeves (18) are respectively provided with second mounting grooves (20), the inner cavities of the two second mounting grooves (20) are respectively sleeved with second bolts (21), the ends of the two second bolts (21) are respectively screwed into the inner cavities of the second screw holes (19), and the two third screw holes (11) are respectively formed in the two outer split expansion sleeves (18).

3. A split pole shaft-hugging electrically excited generator rotor structure for marine use according to claim 2, characterized in that: The expansion inner sleeve mechanism (4) comprises two inner split expansion sleeves (14) sleeved on the outer side of the main shaft (1), the two sides of one of the inner split expansion sleeves (14) are respectively provided with first screw holes (15), the two sides of the other of the inner split expansion sleeves (14) are respectively provided with first mounting grooves (16), the inner cavities of the two first mounting grooves (16) are respectively sleeved with first bolts (17), the ends of the two first bolts (17) are respectively screwed into the inner cavities of the first screw holes (15), and the two adjusting holes (12) are respectively formed in the two inner split expansion sleeves (14).

4. A split pole axle-hugging marine electrically excited generator rotor structure according to claim 1, characterized in that: The outer side surface of the outer expansion sleeve pipe (8) is matched with the inner side surface of the rotating shaft hole (3).

5. A split pole shaft-hugging electrically excited generator rotor structure for marine use according to claim 1, characterized in that: The outer side surface of the end of the outer inclined sliding sleeve (6) is matched with the inner wall of the inner inclined sliding groove (10).

6. A split pole shaft-hugging electrically excited generator rotor structure for marine use according to claim 1, characterized in that: The inner side surfaces of the outer inclined sliding sleeve (6) and the outer expansion sleeve pipe (8) are respectively matched with the outer side surface of the main shaft (1).

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