CN117317751A - Self-adaptive displacement compensation electric contact structure of electric propulsion slip ring of high-power ship - Google Patents
Self-adaptive displacement compensation electric contact structure of electric propulsion slip ring of high-power ship Download PDFInfo
- Publication number
- CN117317751A CN117317751A CN202311138017.9A CN202311138017A CN117317751A CN 117317751 A CN117317751 A CN 117317751A CN 202311138017 A CN202311138017 A CN 202311138017A CN 117317751 A CN117317751 A CN 117317751A
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- electric
- ring piece
- electric connector
- contact structure
- crocodile mouth
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 14
- 241000270722 Crocodylidae Species 0.000 claims abstract description 58
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims abstract description 58
- 239000012212 insulator Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 241000251468 Actinopterygii Species 0.000 claims description 20
- 238000005299 abrasion Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000010891 electric arc Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/022—Details for dynamo electric machines characterised by the materials used, e.g. ceramics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/022—Details for dynamo electric machines characterised by the materials used, e.g. ceramics
- H01R39/025—Conductive materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/022—Details for dynamo electric machines characterised by the materials used, e.g. ceramics
- H01R39/027—Insulating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/34—Connections of conductor to slip-ring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/56—Devices for lubricating or polishing slip-rings or commutators during operation of the collector
Abstract
The invention provides a self-adaptive displacement compensation electric contact structure of an electric propulsion slip ring of a high-power ship, which comprises a stator ring piece, a rotor ring piece, an insulator, an crocodile mouth electric connector, an electric connector adapter plate, a guide pin and the like; the stator ring piece is arranged on the fixed base through an insulator, so that the fixed base is ensured to be well insulated; the rotor ring piece is stacked and installed at the center of the ship electric propulsion slip ring by adopting an insulator, and the crocodile mouth electric connector is meshed with the outer ring of the rotor ring piece through a C-shaped electric contact structure, so that the problem of arc discharge failure of high-power rotary electric transmission caused by poor contact is effectively solved; the crocodile mouth electric connector adopts a guide pin mounting mode, the axial freedom degree of the crocodile mouth electric connector is reserved, errors caused by rotor ring piece processing and assembly can be self-adapted, and the manufacturability of products is improved; the self-adaptive displacement compensation electric contact structure of the high-power ship electric propulsion slip ring has the series advantages of high transmission power, high reliability, long service life and the like.
Description
Technical Field
The invention relates to the technical field of ship electric propulsion slip rings, in particular to a self-adaptive displacement compensation electric contact structure of a high-power ship electric propulsion slip ring.
Background
With the development of large-scale ships, the power requirements on the electric propulsion system of the ships are higher and higher. As a core component of the ship electric propulsion system, the ship electric propulsion slip ring plays a role of a 'bridge' for data signal and power transmission of the electric propulsion system. At present, the domestic high-power ship electric propulsion slip ring market is mainly monopolized by ABB, siemens and other foreign countries, is limited by high power, high reliability and other performances, and seriously influences the design and manufacturing capacity of the domestic high-power ship electric propulsion slip ring.
Due to the characteristics of high transmission power, severe service environment and the like of the ship electric propulsion slip ring, poor contact due to an electric contact structure is extremely easy to occur in actual impact, vibration, high humidity and high salt working conditions, the contact resistance is greatly increased, even the problem of arc discharge failure of a contact surface is caused, and the safe operation of a ship is seriously threatened. Therefore, the design of the self-adaptive displacement compensation electric contact structure of the high-power ship electric propulsion slip ring has extremely important significance.
Disclosure of Invention
The invention aims to provide a self-adaptive displacement compensation electric contact structure of a high-power ship electric propulsion slip ring, which solves the problems in the background art, and has the series of advantages of high transmission power, high reliability, long service life and the like
The purpose of the invention is realized in the following way:
the self-adaptive displacement compensation electric contact structure for the high-power ship electric propulsion slip ring consists of an crocodile mouth electric connector, a stator ring piece, a rotor ring piece, an insulator, a guide pin, an electric connector adapter plate, an adapter copper bar, a stator end cable, a rotor end cable and the like. The stator ring piece is connected with a stator end cable; and the rotor ring piece is provided with a transfer copper bar for connecting a rotor end cable.
The stator ring piece adopts the insulator to install on unable adjustment base, guarantees unable adjustment base good insulativity, prevents to lead to the fact the emergence of electric shock accident because of boats and ships electric propulsion sliding ring unable adjustment base is electrified.
A rotor ring piece is arranged at the inner center of the stator ring piece; the rotor ring piece is stacked and installed at the center of the ship electric propulsion slip ring by adopting an insulator and rotates along with the rotating part of the ship electric propulsion slip ring.
Furthermore, a plurality of electric connector adapter plates are uniformly distributed in the stator ring piece, and the number of the electric connector adapter plates is four preferentially; the guide pins are installed on two sides of the electric connector adapter plate through screw connection, and provide axial guiding function for the crocodile mouth electric connector. Specifically, an insulating mounting plate is arranged on the crocodile mouth electric connector, guide grooves are formed in two ends of the insulating mounting plate, the guide grooves are sleeved on guide pins, the circumferential and radial degrees of freedom of the crocodile mouth electric connector are limited through the guide pins, and the axial degrees of freedom of the crocodile mouth electric connector are reserved; and the electric connector adapter plate is also provided with a copper wire, two ends of the copper wire are connected with the stator ring piece, and the middle of the copper wire is connected with the crocodile mouth electric connector.
In order to reduce floating friction and abrasion of the crocodile mouth electric connector along the axial direction of the guide pin, the outer surface of the guide pin is plated with chrome, the surface hardness and the wear resistance of the guide pin are improved, and the insulating mounting plate is made of modified polyimide and has a certain self-lubricating effect.
Four groups of electric connector adapter plates and crocodile mouth electric connectors are uniformly distributed between the stator ring piece and the rotor ring piece, so that the rotor ring piece can well contact in multi-direction deflection under severe sea conditions, and the problem of arc discharge failure of high-power rotary electric transmission caused by poor contact is effectively solved.
Further, one end of the crocodile mouth electric connector is meshed on the rotor ring piece through the C-shaped electric contact structure, the other end of the crocodile mouth electric connector limits the circumferential and radial degrees of freedom of the crocodile mouth electric connector through the guide pin, the axial degrees of freedom of the crocodile mouth electric connector are reserved, when the machining and assembling precision of the large-size rotor ring piece is not high or the rigidity of the large-angle swing shafting of the ship is insufficient, the crocodile mouth electric connector can axially float along with the rotor ring piece, the error caused by the machining, assembling and deflection of the rotor ring piece is self-adaptive, the requirements of the ship electric propulsion slip ring on the machining and assembling precision of the large-size rotor ring piece are effectively reduced, and the manufacturability and the environmental adaptability of the product are improved.
Further, the crocodile mouth electric connector comprises an insulating mounting plate, a conductive copper bar, an antifriction gasket and a fish scale elastic sheet, and is a core component for bearing high-power electric rotation transmission. The crocodile mouth electric connector is characterized in that a C-shaped electric contact structure is formed by three conductive copper bars which are distributed in a staggered manner, and the C-shaped electric contact structure is fixed on an insulating mounting plate; the centers of the upper conductive copper bar and the lower conductive copper bar are provided with fish scale shrapnel which are made of beryllium bronze, so that the fish scale shrapnel is ensured to have good elasticity. A certain pre-pressure is applied through elastic deformation of the fish scale elastic sheet, so that good contact between the crocodile mouth electric connector and the rotor ring sheet is ensured; the friction reducing gaskets (13) are arranged around the fish scale shrapnel, the friction reducing gaskets (13) are higher than the conductive copper bars by about 0.1mm, friction and abrasion are carried out on the friction reducing gaskets (13) containing halogen elements, and abrasive dust is rapidly filled into the surface holes of the rotor ring sheet, so that solid self-lubrication is realized, the friction coefficient between the rotor ring sheet and the fish scale shrapnel is effectively reduced, and the electrical contact performance and the service life of the crocodile mouth electric connector are improved.
The friction reducing gaskets are arranged around the fish scale elastic sheets, the friction reducing gaskets are higher than the conductive copper bars by about 0.1mm, friction and abrasion are carried out on the friction reducing gaskets through halogen elements, abrasive dust is rapidly filled into the surface holes of the rotor ring sheets, solid self-lubrication is achieved, the friction coefficient between the rotor ring sheets and the fish scale elastic sheets is effectively reduced, and the electrical contact performance and the service life of the crocodile mouth electrical connector are improved.
The invention has the following advantages:
1. one end of the crocodile mouth electric connector is meshed on the rotor ring piece by adopting a C-shaped electric contact structure, so that good contact between the crocodile mouth electric connector and the rotor ring piece is ensured, the other end of the crocodile mouth electric connector adopts a guide pin to limit the circumferential and radial degrees of freedom, the axial degree of freedom is reserved, errors caused by processing and assembling of the rotor ring piece can be self-adapted, and the manufacturability of products is improved.
2. 4 groups of crocodile mouth electric connectors are uniformly distributed between the stator ring piece and the rotor ring piece, so that the rotor ring piece can well contact in multi-direction deflection under severe sea conditions, and the problem of arc discharge failure of high-power rotary electric transmission caused by poor contact is effectively solved.
3. The outer surface of the guide pin adopts a chromium plating process, so that the outer surface is ensured to have higher hardness and wear resistance, the insulating mounting plate is made of modified polyimide, the guide pin has a certain self-lubricating effect, the axial sliding friction and wear of the crocodile mouth electric connector along the guide pin is effectively reduced, and the reliability of the guide function and the service life are improved.
4. The fish scale elastic sheet has good elasticity, a certain pre-pressure is applied through the elastic deformation of the fish scale elastic sheet, so that the crocodile mouth electric connector is ensured to be in good contact with the rotor ring sheet, the contact resistance of a contact surface is reduced, and the rotating electric contact stability of the ship electric propulsion slip ring is improved.
5. The friction reducing gaskets are arranged around the fish scale elastic sheets, the conductive copper bars of the friction reducing gaskets are higher than each other by about 0.1mm, friction and abrasion are carried out on the friction reducing gaskets through halogen elements, abrasive dust is rapidly filled into the surface holes of the rotor ring sheets, solid self-lubrication is achieved, the friction coefficient between the rotor ring sheets and the fish scale elastic sheets is effectively reduced, and the electrical contact performance and the service life of the crocodile mouth electrical connector are improved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the electrical contact structure of the present invention;
FIG. 2 is a top view of the electrical contact structure of the present invention;
FIG. 3 is an enlarged view of a portion of the attachment of the crocodile mouth electrical connector of the present invention to a stator ring segment and a rotor ring segment;
FIG. 4 is a schematic view of the electrical contact structure of the present invention;
the figure shows: 1. crocodile mouth electric connector, stator ring piece, rotor ring piece, insulator, stator end cable, rotor end cable, copper bar, guide pin, electric connector adapter plate, insulating mounting plate, conductive copper bar, antifriction gasket, and scale spring.
Detailed Description
In order to facilitate understanding of the technical means, innovative features, and achieving the objects and effects of the present invention, the invention will be further described with reference to the embodiments thereof.
As shown in fig. 1 and 2, the self-adaptive displacement compensation electric contact structure of the electric propulsion slip ring of the high-power ship comprises an crocodile mouth electric connector 1, a stator ring piece 2, a rotor ring piece 3, an insulator 4, a stator end cable 5, a rotor end cable 6, an adapter copper bar 7, a copper wire 8, a guide pin 9 and an electric connector adapter plate 10.
The stator ring piece 2 is connected with a stator end cable 5; the rotor ring piece 3 is provided with a transfer copper bar 7 for connecting the rotor end cable 6.
The stator ring piece 2 is arranged on the fixed base by adopting the insulator 4, so that the occurrence of arc discharge and other accidents caused by breakdown of air due to overhigh voltage and too small insulation distance is prevented. In order to improve manufacturability of the stator ring piece 2, the stator ring piece 2 is formed by bending and connecting two sections of red copper bars. As shown in fig. 3, stator ring pieces 2 are uniformly distributed and installed with electric connector adapter plates 10 through screw connection, symmetrical installation holes are formed in two sides of the electric connector adapter plates 10, and guide pins 9 are installed on the electric connector adapter plates to provide axial guiding function for crocodile mouth electric connector 1. Specifically, an insulation mounting plate 11 is arranged on the crocodile mouth electric connector 1, guide grooves are formed in two ends of the insulation mounting plate 11 and sleeved on guide pins 9, the circumferential and radial freedom degrees of the crocodile mouth electric connector 1 are limited through the guide pins 9, and the axial freedom degrees of the crocodile mouth electric connector are reserved; the electric connector adapter plate 10 is also provided with copper wires 8, two ends of each copper wire 8 are connected with the stator ring piece 2, and the middle of each copper wire 8 is connected with the crocodile mouth electric connector 1.
The rotor ring piece 3 is stacked and installed at the center of the ship electric propulsion slip ring by adopting an insulator and rotates along with the rotating part of the ship electric propulsion slip ring.
The crocodile mouth electric connector 1 comprises an insulating mounting plate 11, a conductive copper bar 12, an antifriction spacer 13 and a fish scale spring piece 14, as shown in fig. 4. The crocodile mouth electric connector 1 is a C-shaped electric contact structure formed by three conductive copper bars 12 which are distributed in a staggered manner, and the C-shaped electric contact structure frame is fixed on an insulating mounting plate 11; the centers of the upper conductive copper bar 12 and the lower conductive copper bar 12 are provided with the fish scale elastic sheet 14, the fish scale elastic sheet 14 is made of beryllium bronze, a certain pre-pressure is applied through elastic deformation of the fish scale elastic sheet 14, good contact between the crocodile mouth electric connector 1 and the rotor ring sheet 3 is ensured, contact resistance of a contact surface is reduced, and rotating electric contact stability of the ship electric propulsion slip ring is improved. The friction reducing gaskets 13 are arranged around the scale spring plates 14, the friction reducing gaskets 13 are higher than the conductive copper bars 12 by about 0.1mm, friction and abrasion are carried out on the friction reducing gaskets 13 through halogen-containing elements, abrasive dust is rapidly filled into the surface holes of the rotor ring plates 3, solid self-lubrication is achieved, friction coefficients of the rotor ring plates 3 and the scale spring plates 14 are effectively reduced, and the electrical contact performance and the service life of the crocodile mouth electric connector 1 are improved.
One end of the crocodile mouth electric connector 1 is meshed on the rotor ring piece 3 through a C-shaped electric contact structure, the other end of the crocodile mouth electric connector adopts a guide pin 9 to limit the circumferential and radial degrees of freedom of the crocodile mouth electric connector, the axial degrees of freedom of the crocodile mouth electric connector are reserved, when the machining and assembling precision of the large-size rotor ring piece 3 is not high or the rigidity of a large-angle swing shafting of a ship is insufficient, the crocodile mouth electric connector 1 can axially float along with the rotor ring piece 3, the machining, assembling and deflection errors of the rotor ring piece are self-adaptive, the requirements of the ship electric propulsion slip ring on the machining and assembling precision of the large-size rotor ring piece 3 are effectively reduced, and the manufacturability and the environmental adaptability of products are improved.
The outer surface of the guide pin 9 adopts a chromium plating process, so that the outer surface is ensured to have higher hardness and wear resistance, the insulating mounting plate is made of modified polyimide, the self-lubricating effect is achieved, the sliding friction wear of the crocodile mouth electric connector along the axial direction of the guide pin is effectively reduced, and the reliability of the guide function and the service life are improved.
4 groups of crocodile mouth electric connectors 1 are uniformly distributed between the stator ring piece 2 and the rotor ring piece 3, so that the rotor ring piece 3 can well contact in multidirectional deflection under severe sea conditions, and the problem of high-power rotary electric transmission arc discharge failure caused by poor contact is effectively solved.
When current flows through the electric contact structure of the ship electric propulsion slip ring, the current mainly flows through the channel: the current flows in from the electric propulsion system generator set, and is output to the driving motor through the stator end cable 5, the stator ring piece 2, the copper wire 8, the conductive copper bar 12, the fish scale elastic sheet 14, the rotor ring piece 3 and the switching copper bar 7, and is output to the driving motor through the rotor end cable 6. During design, the crocodile mouth electric connector 1 is prevented from being directly connected with the stator ring piece 2 through the guide pin 9 and the electric connector adapter plate 10, and severe heating and even failure caused by overlarge local resistance under high-power transmission are prevented. The insulating mounting plate 11 in the crocodile-mouth electric connector 1 is made of polyimide material, so that the crocodile-mouth electric connector 1 has good insulativity while meeting the rigidity requirement.
In order to improve the conductivity of the electric contact structure and reduce the contact resistance, all parts (except the antifriction pads 13) through which the current flows are made of copper materials. On the premise of allowing cost, the precious metal plating is recommended to plate the electric contact part of the rotor ring piece, so that the electric contact performance and the service life of the ship electric propulsion slip ring are further improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The self-adaptive displacement compensation electric contact structure of the high-power ship electric propulsion slip ring is characterized by comprising an crocodile mouth electric connector (1), a stator ring piece (2), a rotor ring piece (3), an insulator (4), a guide pin (9) and an electric connector adapter plate (10);
a stator end cable (5) is connected to the stator ring piece (2); the rotor ring piece (3) is provided with a transfer copper bar (7) for connecting a rotor end cable (6);
a rotor ring piece (3) is arranged at the inner center of the stator ring piece (2); the rotor ring piece (3) is stacked and arranged at the center of the ship electric propulsion slip ring by adopting an insulator and rotates along with a ship electric propulsion slip ring rotating part;
the stator ring piece (2) is arranged on the fixed base through an insulator (4), a plurality of electric connector adapter plates (10) are uniformly distributed in the stator ring piece (2), and vertical guide pins (9) are arranged on two sides of the electric connector adapter plates (10) through screw connection; an insulation mounting plate (11) is arranged on the crocodile mouth electric connector (1), guide grooves are formed in two ends of the insulation mounting plate (11), the guide grooves are sleeved on guide pins (9), the circumferential and radial degrees of freedom of the crocodile mouth electric connector (1) are limited through the guide pins (9), and the axial degrees of freedom of the crocodile mouth electric connector are reserved;
and the electric connector adapter plate (10) is also provided with a copper wire (8), two ends of the copper wire (8) are connected with the stator ring piece (2), and the middle is connected with the crocodile mouth electric connector (1).
2. The self-adaptive displacement compensation electric contact structure of the electric propulsion slip ring of the high-power ship according to claim 1, wherein one end of the crocodile mouth electric connector (1) is provided with a C-shaped electric contact structure, and the C-shaped electric contact structure is meshed on the rotor ring piece (3).
3. The self-adaptive displacement compensation electric contact structure of the electric propulsion slip ring of the high-power ship according to claim 2, wherein the crocodile mouth electric connector (1) is a C-shaped electric contact structure formed by three conductive copper bars (12) distributed in a staggered manner, and the C-shaped electric contact structure is fixed on an insulating mounting plate (11); the centers of the upper conductive copper bar (12) and the lower conductive copper bar are provided with fish scale shrapnel (14), the fish scale shrapnel (14) is made of beryllium bronze, and the precompression is exerted through the elastic deformation of the fish scale shrapnel (14), so that the crocodile mouth electric connector (1) is ensured to be contacted with the rotor ring piece (3).
4. The self-adaptive displacement compensation electric contact structure of the high-power ship electric propulsion slip ring according to claim 3, wherein antifriction gaskets (13) are arranged around the scale spring plates (14), the antifriction gaskets (13) are higher than the conductive copper bars (12), and abrasive dust is rapidly filled into surface pores of the rotor ring plates (3) through friction abrasion of the antifriction gaskets (13) containing halogen elements, so that solid self-lubrication is realized.
5. The self-adaptive displacement compensation electric contact structure of the electric propulsion slip ring of the high-power ship according to claim 1, wherein four groups of electric connector adapter plates (10) and crocodile mouth electric connectors (1) are uniformly distributed between the stator ring piece (2) and the rotor ring piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311138017.9A CN117317751A (en) | 2023-09-05 | 2023-09-05 | Self-adaptive displacement compensation electric contact structure of electric propulsion slip ring of high-power ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311138017.9A CN117317751A (en) | 2023-09-05 | 2023-09-05 | Self-adaptive displacement compensation electric contact structure of electric propulsion slip ring of high-power ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117317751A true CN117317751A (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311138017.9A Pending CN117317751A (en) | 2023-09-05 | 2023-09-05 | Self-adaptive displacement compensation electric contact structure of electric propulsion slip ring of high-power ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117317751A (en) |
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2023
- 2023-09-05 CN CN202311138017.9A patent/CN117317751A/en active Pending
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