CN107140170B - Steering device - Google Patents
Steering device Download PDFInfo
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- CN107140170B CN107140170B CN201710324141.2A CN201710324141A CN107140170B CN 107140170 B CN107140170 B CN 107140170B CN 201710324141 A CN201710324141 A CN 201710324141A CN 107140170 B CN107140170 B CN 107140170B
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- spline
- main shaft
- internal spline
- external
- external spline
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/02—Initiating means for steering, for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/06—Steering by rudders
- B63H25/08—Steering gear
- B63H25/14—Steering gear power assisted; power driven, i.e. using steering engine
- B63H25/16—Steering gear power assisted; power driven, i.e. using steering engine with alternative muscle or power operated steering
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Power Steering Mechanism (AREA)
- Gears, Cams (AREA)
Abstract
The steering device comprises a shell and a main shaft, wherein a first internal spline is arranged at the front end of the main shaft, the first internal spline is fixed at the rear end of a connecting flange, the front end of the connecting flange is connected with a hand wheel through a hand wheel shaft, a second internal spline is arranged at the rear side of the main shaft, a driven sprocket is fixed at the outer side of the second internal spline, a spline flange is fixed at the rear end of the second internal spline, the driven sprocket is connected with a driving sprocket through a chain, the driving sprocket is arranged at the output end of a brushless motor, the rear end of the main shaft is connected with a marine full-hydraulic steering gear, an external spline capable of axially sliding along the main shaft is sleeved on the main shaft, the axial sliding of the external spline is driven by an electric driving mechanism, and the external spline is arranged between the first internal spline and the second internal spline and meshed with the first internal spline or meshed with the second internal spline under the driving of the electric driving mechanism. The steering device can realize the switching of the manual steering function and the electric steering function of the ship through electric control switching, can simplify the installation flow of the steering device, improves the automation degree of products, and is convenient for operators to steer.
Description
Technical Field
The invention relates to a marine control device, in particular to a steering device.
Background
The ship usually has both manual steering and electric steering functions, and the switching between the two functions is generally realized by directly and manually operating a switching handle by a person, and transmitting the steering force generated manually or electrically to the full-hydraulic steering gear by using a gear clutch at the lower end of the switching handle, so as to realize the ship steering function. The steering device has the defects that the switching between manual steering and electric steering is performed by manually operating the switching handle, the automation degree of a product is low, the position of the switching handle is reserved by opening a hole on an operating table, and the operation and the installation of operators are inconvenient.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the defects of the prior art, the steering device capable of realizing the switching of the manual steering function and the electric steering function of the ship through electric control switching is provided, the installation flow is simplified, the automation degree of products is improved, the steering operation of operators is facilitated, the safety of the operators is ensured, and misoperation is avoided.
The technical scheme adopted for solving the technical problems is as follows: the steering device comprises a shell and a main shaft, wherein the front end of the main shaft is provided with a first internal spline, the first internal spline is fixed at the rear end of a connecting flange, the connecting flange is arranged at the front end of the main shaft through a first deep groove ball bearing, the front end of the connecting flange is connected with a hand wheel through a hand wheel shaft, the rear side of the main shaft is provided with a second internal spline, the outer side of the second internal spline is fixedly provided with a driven sprocket, the rear end of the second internal spline is fixedly provided with a spline flange, the spline flange is arranged at the rear side of the main shaft through a second deep groove ball bearing, the driven sprocket is connected with a driving sprocket through a chain, the driving sprocket is arranged at the output end of a brushless motor, the brushless motor is arranged on the shell, the rear end of the main shaft is connected with a marine full hydraulic steering gear, the spindle is sleeved with an external spline which can axially slide along the spindle, the axial sliding of the external spline is driven by an electric driving mechanism, the external spline is arranged between the first internal spline and the second internal spline, a first annular gap is arranged between the first internal spline and the spindle, the outer diameter of the first annular gap is matched with the outer diameter of the external spline, spline teeth of the first internal spline are matched with spline teeth of the external spline, a second annular gap is arranged between the second internal spline and the spindle, the outer diameter of the second annular gap is matched with the outer diameter of the external spline, spline teeth of the second internal spline are matched with spline teeth of the external spline, and under the driving of the electric driving mechanism, the external spline is meshed with the first internal spline or the second internal spline, so that manual driving or electric driving of steering force transmission is realized.
In the working process of the steering device, when the electric driving mechanism drives the external spline to be meshed with the first internal spline, the connecting flange is connected with the main shaft, at the moment, the hand wheel is manually turned, the hand wheel shaft rotates to drive the main shaft to rotate, the manual driving of the transfer of steering force to the marine full-hydraulic steering gear is realized, and the manual steering function of the ship is performed; when the electric driving mechanism drives the external spline to be separated from the first internal spline and meshed with the second internal spline, the hand wheel shaft does not rotate along with the main shaft, at the moment, the driving sprocket drives the driven sprocket to rotate under the driving of the brushless motor, so that the main shaft is driven to rotate, namely, the electric driving of the transmission of steering force to the marine full-hydraulic steering gear is realized, and the electric steering function of the ship is performed. The manual steering function and the electric steering function of the ship are switched completely through electric control switching, the installation flow of the steering device can be simplified, the automation degree of products is improved, and the steering operation is convenient for operators.
Preferably, the electric driving mechanism comprises a stepping motor, a screw rod and a screw rod nut matched with the screw rod, the stepping motor is mounted on the shell, the screw rod is connected with the output end of the stepping motor through a coupler, the screw rod nut is mounted in a mounting block, the mounting block is connected with a bearing seat through a connecting pin, the bearing seat is sleeved on the outer side of the external spline, a rolling bearing is mounted on the bearing seat, the outer ring of the rolling bearing is fixed on the bearing seat through a first gland, and the external spline is fixed on the inner ring of the bearing seat through a second gland. Further, the external spline on be connected with urgent switching mechanism, urgent switching mechanism include central slider, connecting block, wire rope and arm-tie, the main shaft in be provided with first centre bore, the flange in be provided with the communicating second centre bore of first centre bore, central slider set up first centre bore in, central slider with external spline pass through many bolted connection, every bolted connection on have a nut, central slider compress tightly by a plurality of nuts, the main shaft on seted up the spout that corresponds with a plurality of nut positions, a plurality of nuts set up in the spout, the connecting block fix on central slider, the hand wheel axle fix the axle head of flange, the hand wheel axle head, the front end by a gland nut compress tightly, the arm-tie pass through install the front end of gland nut, every bolt on the wire rope the other end pass the pivot be fixed on the connecting block the wire rope the other end. Still further, one end of each bolt is in threaded connection with the central sliding block, and the other end of each bolt sequentially passes through one nut and the external spline to be in threaded connection with the bearing seat.
Preferably, the external spline is connected with an emergency switching mechanism, the emergency switching mechanism comprises a central sliding block, a connecting block, a steel wire rope and a pulling plate, a first central hole is formed in the main shaft, a second central hole communicated with the first central hole is formed in the connecting flange, the central sliding block is arranged in the first central hole, the central sliding block is connected with the external spline through a plurality of bolts, a nut is connected to each bolt in a threaded manner, the central sliding block is pressed by a plurality of nuts, a sliding groove corresponding to the nuts in position is formed in the main shaft, a plurality of nuts are arranged in the sliding groove, the connecting block is fixed on the central sliding block, a hand wheel shaft is fixed at the shaft end of the connecting flange, the front end of the hand wheel shaft is pressed by a pressing nut, the pulling plate is pressed by a pressing nut arranged at the front end of the pressing nut, the steel wire rope is fixed at the other end of the steel wire rope, and the pulling plate is fixed at the first end of the steel wire rope.
The emergency switching mechanism can further improve the safety of the steering device. In the electric steering process of the ship, when power failure or electrical failure occurs, the pulling plate can be pulled up urgently, the connecting block is pulled forward through the steel wire rope, the external spline is driven to move forward, the external spline is separated from the second internal spline and meshed with the first internal spline, the manual steering mode is switched to urgently, the steering function of the ship is not affected, safety accidents are avoided, and personnel safety is guaranteed.
Compared with the prior art, the invention has the advantages that:
(1) According to the steering device disclosed by the invention, the manual steering function and the electric steering function of the ship can be switched through the electric control switching, so that the installation flow of the steering device can be simplified, the automation degree of a product is improved, and the steering operation of an operator is facilitated;
(2) The steering device disclosed by the invention has the advantages that the main shaft is separated from the brushless motor during manual steering and the main shaft is separated from the hand wheel shaft during electric steering, the manual steering and the electric steering are mutually independently controlled and are not interfered with each other, the service lives of all parts can be prolonged, the reliability and the safety of steering are ensured, the safety of operators is ensured, and misoperation is avoided;
(3) The steering device disclosed by the invention can be switched to the manual steering mode in an emergency, so that safety accidents caused by power failure or electric faults under unexpected conditions are avoided, and personnel safety is ensured.
Drawings
FIG. 1 is an external view of a steering device according to an embodiment;
FIG. 2 is a schematic top view of the structure of the steering device of the embodiment;
FIG. 3 is a schematic diagram illustrating connection between an electric driving mechanism and a bearing seat in an embodiment;
FIG. 4 is a top view corresponding to FIG. 3;
FIG. 5 is an enlarged cross-sectional view A-A of FIG. 4;
FIG. 6 is an enlarged view of FIG. 5 at B;
FIG. 7 is a cross-sectional view of C-C of FIG. 5;
FIG. 8 is a schematic diagram of the connection of a bearing housing to a mounting block in an embodiment;
FIG. 9 is a sectional view D-D of FIG. 8;
fig. 10 is a schematic diagram showing the structural connection of the hand wheel shaft and the compression nut and the pulling plate in the embodiment.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
The steering device of the first embodiment, as shown in the figure, comprises a casing 1 and a main shaft 2, wherein the front end of the main shaft 2 is provided with a first internal spline 31, the first internal spline 31 is fixed at the rear end of a connecting flange 32 through screws, the connecting flange 32 is installed at the front end of the main shaft 2 through a first deep groove ball bearing 33, the front end of the connecting flange 32 is connected with a hand wheel (not shown in the figure) through a hand wheel shaft 34, the rear side of the main shaft 2 is provided with a second internal spline 24, the outer side of the second internal spline 24 is welded with a driven sprocket 36, the rear end of the second internal spline 24 is fixed with a spline flange 37 through screws, the spline flange 37 is installed at the rear side of the main shaft 2 through a second deep groove ball bearing 38, the driven sprocket 36 is connected with a driving sprocket 41 through a chain (not shown in the figure), the driving sprocket 41 is installed at the output end of a brushless motor 4, the brushless motor 4 is arranged on the casing 1, the rear end of the main shaft 2 is connected with a marine full hydraulic steering gear (not shown in the figure), the main shaft 2 is sleeved with an external spline 5 which can axially slide along the main shaft 2, the axial sliding of the external spline 5 is driven by an electric driving mechanism, the external spline 5 is arranged between a first internal spline 31 and a second internal spline 24, a first annular gap 21 is arranged between the first internal spline 31 and the main shaft 2, the outer diameter of the first annular gap 21 is matched with the outer diameter of the external spline 5, spline teeth of the first internal spline 31 are matched with spline teeth of the external spline 5, a second annular gap 22 is arranged between the second internal spline 24 and the main shaft 2, the outer diameter of the second annular gap 22 is matched with the outer diameter of the external spline 5, the spline teeth of the second internal spline 24 are matched with the spline teeth of the external spline 5 under the driving of the electric driving mechanism, the external spline 5 is meshed with the first internal spline 31 or meshed with the second internal spline 24, so that manual driving or electric driving of steering force transmission is realized.
The steering device of the second embodiment, as shown in the figure, comprises a casing 1 and a main shaft 2, wherein the front end of the main shaft 2 is provided with a first internal spline 31, the first internal spline 31 is fixed at the rear end of a connecting flange 32 by a screw, the connecting flange 32 is mounted at the front end of the main shaft 2 by a first deep groove ball bearing 33, the front end of the connecting flange 32 is connected with a hand wheel (not shown in the figure) by a hand wheel shaft 34, the rear side of the main shaft 2 is provided with a second internal spline 24, the outer side of the second internal spline 24 is welded with a driven sprocket 36, the rear end of the second internal spline 24 is fixed with a spline flange 37 by a screw, the spline flange 37 is mounted at the rear side of the main shaft 2 by a second deep groove ball bearing 38, the driven sprocket 36 is connected with a driving sprocket 41 by a chain (not shown in the figure), the driving sprocket 41 is mounted at the output end of a brushless motor 4, the brushless motor 4 is arranged on the casing 1, the rear end of the main shaft 2 is connected with a marine full hydraulic steering gear (not shown in the figure), the main shaft 2 is sleeved with an external spline 5 which can axially slide along the main shaft 2, the axial sliding of the external spline 5 is driven by an electric driving mechanism, the external spline 5 is arranged between a first internal spline 31 and a second internal spline 24, a first annular gap 21 is arranged between the first internal spline 31 and the main shaft 2, the outer diameter of the first annular gap 21 is matched with the outer diameter of the external spline 5, spline teeth of the first internal spline 31 are matched with spline teeth of the external spline 5, a second annular gap 22 is arranged between the second internal spline 24 and the main shaft 2, the outer diameter of the second annular gap 22 is matched with the outer diameter of the external spline 5, the spline teeth of the second internal spline 24 are matched with the spline teeth of the external spline 5 under the driving of the electric driving mechanism, the external spline 5 is meshed with the first internal spline 31 or meshed with the second internal spline 24, so that manual driving or electric driving of steering force transmission is realized.
In the second embodiment, the electric driving mechanism includes a stepper motor 6, a lead screw 61 and a lead screw nut 62 adapted to the lead screw 61, the stepper motor 6 is mounted on the casing 1, the lead screw 61 is connected with the output end of the stepper motor 6 via a coupling 63, the lead screw nut 62 is mounted in a mounting block 64, the mounting block 64 is connected with a bearing seat 65 via a connecting pin 66, the bearing seat 65 is sleeved on the outer side of the external spline 5, a rolling bearing 67 is mounted on the bearing seat 65, the outer ring of the rolling bearing 67 is fixed on the bearing seat 65 via a first gland 68, and the external spline 5 is fixed on the inner ring of the bearing seat 65 via a second gland 69.
The steering device of the third embodiment, as shown in the figure, comprises a casing 1 and a main shaft 2, wherein the front end of the main shaft 2 is provided with a first internal spline 31, the first internal spline 31 is fixed at the rear end of a connecting flange 32 by a screw, the connecting flange 32 is installed at the front end of the main shaft 2 by a first deep groove ball bearing 33, the front end of the connecting flange 32 is connected with a hand wheel (not shown in the figure) by a hand wheel shaft 34, the rear side of the main shaft 2 is provided with a second internal spline 24, the outer side of the second internal spline 24 is welded with a driven sprocket 36, the rear end of the second internal spline 24 is fixed with a spline flange 37 by a screw, the spline flange 37 is installed at the rear side of the main shaft 2 by a second deep groove ball bearing 38, the driven sprocket 36 is connected with a driving sprocket 41 by a chain (not shown in the figure), the driving sprocket 41 is installed at the output end of a brushless motor 4, the brushless motor 4 is arranged on the casing 1, the rear end of the main shaft 2 is connected with a marine full hydraulic steering gear (not shown in the figure), the main shaft 2 is sleeved with an external spline 5 which can axially slide along the main shaft 2, the axial sliding of the external spline 5 is driven by an electric driving mechanism, the external spline 5 is arranged between a first internal spline 31 and a second internal spline 24, a first annular gap 21 is arranged between the first internal spline 31 and the main shaft 2, the outer diameter of the first annular gap 21 is matched with the outer diameter of the external spline 5, spline teeth of the first internal spline 31 are matched with spline teeth of the external spline 5, a second annular gap 22 is arranged between the second internal spline 24 and the main shaft 2, the outer diameter of the second annular gap 22 is matched with the outer diameter of the external spline 5, the spline teeth of the second internal spline 24 are matched with the spline teeth of the external spline 5 under the driving of the electric driving mechanism, the external spline 5 is meshed with the first internal spline 31 or meshed with the second internal spline 24, so that manual driving or electric driving of steering force transmission is realized.
In the third embodiment, the electric driving mechanism comprises a stepper motor 6, a screw 61 and a screw nut 62 adapted to the screw 61, the stepper motor 6 is mounted on the casing 1, the screw 61 is connected with the output end of the stepper motor 6 through a coupler 63, the screw nut 62 is mounted in a mounting block 64, the mounting block 64 is connected with a bearing seat 65 through a connecting pin 66, the bearing seat 65 is sleeved on the outer side of the external spline 5, a rolling bearing 67 is mounted on the bearing seat 65, the outer ring of the rolling bearing 67 is fixed on the bearing seat 65 through a first gland 68, and the external spline 5 is fixed on the inner ring of the bearing seat 65 through a second gland 69.
In the third embodiment, the external spline 5 is connected with an emergency switching mechanism, the emergency switching mechanism includes a central slide block 71, a connecting block 72, a steel wire rope (not shown in the figure) and a pulling plate 73, a first central hole 23 is provided in the main shaft 2, a second central hole 39 communicated with the first central hole 23 is provided in the connecting flange 32, the central slide block 71 is provided in the first central hole 23, the central slide block 71 is connected with the external spline 5 through a plurality of bolts 74, a nut 75 is screwed on each bolt 74, the central slide block 71 is pressed by the plurality of nuts 75, a chute 76 corresponding to the positions of the plurality of nuts 75 is provided on the main shaft 2, the plurality of nuts 75 are provided in the chute 76, the connecting block 72 is fixed on the central slide block 71, the hand wheel shaft 34 is welded at the shaft end of the connecting flange 32, the hand wheel is fixed at the shaft end of the hand wheel 34, the front end of the hand wheel is pressed by a pressing nut 35, the pulling plate 73 is mounted at the front end of the pressing nut 35 through a rotating pin 77, one end of the steel wire rope is fixed on the connecting block 72, and the other end of the steel wire rope is fixed on the pulling plate 73 through the second central hole 39.
The steering device of the fourth embodiment, as shown in the figure, comprises a casing 1 and a main shaft 2, wherein the front end of the main shaft 2 is provided with a first internal spline 31, the first internal spline 31 is fixed at the rear end of a connecting flange 32 by a screw, the connecting flange 32 is installed at the front end of the main shaft 2 by a first deep groove ball bearing 33, the front end of the connecting flange 32 is connected with a hand wheel (not shown in the figure) by a hand wheel shaft 34, the rear side of the main shaft 2 is provided with a second internal spline 24, the outer side of the second internal spline 24 is welded with a driven sprocket 36, the rear end of the second internal spline 24 is fixed with a spline flange 37 by a screw, the spline flange 37 is installed at the rear side of the main shaft 2 by a second deep groove ball bearing 38, the driven sprocket 36 is connected with a driving sprocket 41 by a chain (not shown in the figure), the driving sprocket 41 is installed at the output end of a brushless motor 4, the brushless motor 4 is arranged on the casing 1, the rear end of the main shaft 2 is connected with a marine full hydraulic steering gear (not shown in the figure), the main shaft 2 is sleeved with an external spline 5 which can axially slide along the main shaft 2, the axial sliding of the external spline 5 is driven by an electric driving mechanism, the external spline 5 is arranged between a first internal spline 31 and a second internal spline 24, a first annular gap 21 is arranged between the first internal spline 31 and the main shaft 2, the outer diameter of the first annular gap 21 is matched with the outer diameter of the external spline 5, spline teeth of the first internal spline 31 are matched with spline teeth of the external spline 5, a second annular gap 22 is arranged between the second internal spline 24 and the main shaft 2, the outer diameter of the second annular gap 22 is matched with the outer diameter of the external spline 5, the spline teeth of the second internal spline 24 are matched with the spline teeth of the external spline 5 under the driving of the electric driving mechanism, the external spline 5 is meshed with the first internal spline 31 or meshed with the second internal spline 24, so that manual driving or electric driving of steering force transmission is realized.
In the fourth embodiment, the electric driving mechanism includes a stepper motor 6, a lead screw 61 and a lead screw nut 62 adapted to the lead screw 61, the stepper motor 6 is mounted on the casing 1, the lead screw 61 is connected with the output end of the stepper motor 6 via a coupling 63, the lead screw nut 62 is mounted in a mounting block 64, the mounting block 64 is connected with a bearing seat 65 via a connecting pin 66, the bearing seat 65 is sleeved on the outer side of the external spline 5, a rolling bearing 67 is mounted on the bearing seat 65, the outer ring of the rolling bearing 67 is fixed on the bearing seat 65 via a first gland 68, and the external spline 5 is fixed on the inner ring of the bearing seat 65 via a second gland 69.
In the fourth embodiment, the external spline 5 is connected with an emergency switching mechanism, the emergency switching mechanism comprises a central slide block 71, a connecting block 72, a steel wire rope and a pulling plate 73, a first central hole 23 is arranged in the main shaft 2, a second central hole 39 communicated with the first central hole 23 is arranged in the connecting flange 32, the central slide block 71 is arranged in the first central hole 23, the central slide block 71 and the external spline 5 are connected through a plurality of bolts 74, a nut 75 is connected to each bolt 74 in a threaded manner, one end of each bolt 74 is connected with the central slide block 71 in a threaded manner, the other end sequentially passes through the nut 75 and the external spline 5 to be connected with the bearing seat 65 in a threaded manner, the central slide block 71 is pressed by the nuts 75, a sliding groove 76 corresponding to the positions of the nuts 75 is formed in the main shaft 2, the nuts 75 are arranged in the sliding groove 76, the connecting block 72 is fixed on the central slide block 71, the hand wheel 34 is welded at the shaft end of the connecting flange 32, the front end of the hand wheel is pressed by a pressing nut 35, the pulling plate 73 is mounted at the front end of the pressing nut 35 through a rotating pin 77, one end of the steel wire rope is fixed at one end of the steel wire rope, and the other end of the steel wire rope is fixed at the other end of the connecting block 73.
In the operation process of the steering device, the stepper motor 6 drives the screw rod 61 to rotate, the rotation motion of the stepper motor 6 is converted into the linear motion of the screw rod nut 62, and then the bearing seat 65 is driven to move back and forth, so that the external spline 5 is meshed with the first internal spline 31 or meshed with the second internal spline 24, and the manual driving or the electric driving of steering force transmission is realized.
When the electric driving mechanism drives the external spline 5 to be meshed with the first internal spline 31, the front end of the external spline 5 is positioned in the first annular gap 21, the rear end of the external spline is separated from the second annular gap 22, the connecting flange 32 is connected with the main shaft 2, at the moment, the hand wheel is manually turned, the hand wheel shaft 34 rotates to drive the main shaft 2 to rotate, manual driving of steering force to the marine full-hydraulic steering gear is realized, and manual steering function of the ship is performed; when the electric driving mechanism drives the external spline 5 to be separated from the first internal spline 31 and meshed with the second internal spline 24, the rear end of the external spline 5 is positioned in the second annular gap 22, the front end of the external spline is separated from the first annular gap 21, the hand wheel shaft 34 does not rotate along with the main shaft 2, at the moment, the driving chain wheel 41 drives the driven chain wheel 36 to rotate under the driving of the brushless motor 4, and then the main shaft 2 is driven to rotate, namely, the electric driving of the transmission of steering force to the marine full-hydraulic steering gear is realized, and the electric steering function of the ship is performed. The manual steering function and the electric steering function of the ship are switched completely through electric control switching, so that the installation flow of the steering device can be simplified, the automation degree of products is improved, and the steering operation of operators is facilitated.
The emergency switching mechanism can further improve the safety of the steering device. In the electric steering process of the ship, when power failure or electrical failure occurs, the pulling plate 73 can be pulled up urgently, the connecting block 72 is pulled forward through the steel wire rope, the external spline 5 is driven to move forward, the external spline 5 is separated from the second internal spline 24 and meshed with the first internal spline 31, the manual steering mode is switched to urgently, the steering function of the ship is not affected, safety accidents are avoided, and personnel safety is guaranteed.
Claims (3)
1. A steering device, characterized by: comprises a shell and a main shaft, wherein the front end of the main shaft is provided with a first internal spline, the first internal spline is fixed at the rear end of a connecting flange, the connecting flange is arranged at the front end of the main shaft through a first deep groove ball bearing, the front end of the connecting flange is connected with a hand wheel through a hand wheel shaft, the rear side of the main shaft is provided with a second internal spline, the outer side of the second internal spline is fixedly provided with a driven sprocket, the rear end of the second internal spline is fixedly provided with a spline flange, the spline flange is arranged at the rear side of the main shaft through a second deep groove ball bearing, the driven sprocket is connected with a driving sprocket through a chain, the driving sprocket is arranged at the output end of a brushless motor, the brushless motor is arranged on the shell, the rear end of the main shaft is connected with a marine full hydraulic steering gear, the spindle is sleeved with an external spline which can axially slide along the spindle, the axial sliding of the external spline is driven by an electric driving mechanism, the external spline is arranged between the first internal spline and the second internal spline, a first annular gap is arranged between the first internal spline and the spindle, the outer diameter of the first annular gap is matched with the outer diameter of the external spline, spline teeth of the first internal spline are matched with spline teeth of the external spline, a second annular gap is arranged between the second internal spline and the spindle, the outer diameter of the second annular gap is matched with the outer diameter of the external spline, spline teeth of the second internal spline are matched with spline teeth of the external spline, the electric driving mechanism comprises a stepping motor, a screw rod and a screw rod nut matched with the screw rod, the stepping motor is arranged on the shell, the lead screw is connected with the output end of the stepping motor through the coupler, the lead screw nut is arranged in an installation block, the installation block is connected with a bearing seat through a connecting pin, the bearing seat is sleeved on the outer side of the external spline, the bearing seat is provided with a rolling bearing, the outer ring of the rolling bearing is fixed on the bearing seat through a first gland, the external spline is fixed on the inner ring of the bearing seat through a second gland, and under the driving of the electric driving mechanism, the external spline is meshed with the first internal spline or meshed with the second internal spline, so that the manual driving or electric driving of steering force transmission is realized.
2. A steering device according to claim 1, wherein: the emergency switching mechanism comprises a central sliding block, a connecting block, a steel wire rope and a pulling plate, wherein a first central hole is formed in a main shaft, a second central hole communicated with the first central hole is formed in a connecting flange, the central sliding block is arranged in the first central hole, the central sliding block is connected with the external spline through a plurality of bolts, a nut is connected to each bolt in a threaded mode, the central sliding block is tightly pressed by a plurality of nuts, sliding grooves corresponding to the nuts in position are formed in the main shaft, the nuts are arranged in the sliding grooves, the connecting block is fixed on the central sliding block, a hand wheel shaft is fixed at the shaft end of the connecting flange, the front end of the hand wheel shaft is tightly pressed by a pressing nut, the pulling plate is mounted at the front end of the pressing nut through a rotating pin, the steel wire rope is fixed at one end of the hand wheel shaft, and the other end of the steel wire rope is fixed at the other end of the connecting block.
3. A steering device according to claim 2, wherein: one end of each bolt is in threaded connection with the central sliding block, and the other end of each bolt sequentially passes through one nut and the external spline to be in threaded connection with the bearing seat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324141.2A CN107140170B (en) | 2017-05-10 | 2017-05-10 | Steering device |
| PCT/CN2017/000746 WO2018205050A1 (en) | 2017-05-10 | 2017-12-25 | Steering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324141.2A CN107140170B (en) | 2017-05-10 | 2017-05-10 | Steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107140170A CN107140170A (en) | 2017-09-08 |
| CN107140170B true CN107140170B (en) | 2023-08-25 |
Family
ID=59776873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324141.2A Active CN107140170B (en) | 2017-05-10 | 2017-05-10 | Steering device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107140170B (en) |
| WO (1) | WO2018205050A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140170B (en) * | 2017-05-10 | 2023-08-25 | 中电科（宁波）海洋电子研究院有限公司 | Steering device |
| CN111099007A (en) * | 2019-12-31 | 2020-05-05 | 南京海善达信息科技有限公司 | External autopilot connector |
| CN114590389B (en) * | 2022-01-27 | 2023-04-07 | 中电科（宁波）海洋电子研究院有限公司 | Control switching method of rudder angle control mode switching device |
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| Publication number | Publication date |
|---|---|
| CN107140170A (en) | 2017-09-08 |
| WO2018205050A1 (en) | 2018-11-15 |
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