CN219134475U - Electric steering and braking device for outboard engine - Google Patents

Abstract

The utility model relates to an electric steering and braking device for an outboard engine, which comprises a ship body, wherein the outboard engine is connected to the ship body, a tilting tail plate is connected to the tail of the ship body, an electric steering and braking device is connected to the tilting tail plate on a tilting assembly of the outboard engine, and a hinge connecting piece of the electric steering and braking device is connected with a rotating shaft of the outboard engine. The utility model adopts the direct current motor as a power source, adopts full electrified operation, and has small volume, simple structure and easy maintenance.

Description

Electric steering and braking device for outboard engine

Technical Field

The utility model belongs to the technical field of steering of ships, and particularly relates to an electric steering and braking device for an outboard engine.

Background

In the course of traveling of a ship, steering control by a steering system is required to adjust the traveling direction of the ship. The traditional outboard engine basically adopts a hydraulic steering mode, and the hydraulic steering mode has the risk of oil leakage and pollution to a water area because a hydraulic cylinder is used as a power element, and is very inconvenient to maintain because of the complex structure of a hydraulic system.

The patent is searched: an electric outboard engine (202010322248.5) comprises an engine body base, wherein a motor is connected to the engine body base, the lower surface of the engine body base is connected with an upper water shell, and the lower surface of the upper water shell is connected with an underwater shell; the motor is in driving connection with a vertical driving shaft, and the vertical driving shaft downwards extends through the machine body base and the water shell and is in transmission connection with an output shaft in the underwater shell through a gear shifting executing mechanism; the machine body base is connected with the tilting mechanism through a steering bracket, the steering bracket is in a T shape and comprises a vertical rotating cylinder body serving as a rotating shaft, the upper end of the rotating cylinder body is respectively provided with a support arm and two support arms in a extending way, the two support arms are fixedly connected with the machine body base, and the free end of the support arm is connected with a steering handle; the tilting mechanism comprises a rotary bracket, and the rotary bracket is provided with a connecting base barrel; the rotating cylinder body of the steering bracket can be rotatably arranged in the connecting base cylinder of the rotating bracket in a penetrating way. The utility model is convenient for assembling and installing each component and the whole body and is convenient for assembling and disassembling; the structural strength of the assembly connection is also improved, and the failure rate can be effectively reduced.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide an electric steering and braking device for an outboard engine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the electric steering and braking device for the outboard engine comprises a ship body, wherein the outboard engine is connected to the ship body, a tilting tail plate is connected to the tail of the ship body, an electric steering and braking device is connected to the tilting tail plate on a tilting assembly of the outboard engine, and a hinge connecting piece of the electric steering and braking device is connected with a rotating shaft of the outboard engine;

the electric steering and braking device comprises a rotating bracket shell, a direct current torque motor, a rotating transformer assembly, a planetary speed reduction assembly, a ball screw, a connecting block assembly, a joint bearing sliding assembly and a hinged connecting piece, wherein the rotating bracket shell comprises a first rotating bracket shell and a second rotating bracket shell which are communicated, the joint bearing sliding assembly is movably connected in the second rotating bracket shell, the joint bearing sliding assembly is connected with the hinged connecting piece which moves synchronously with the joint bearing sliding assembly, one side of the first rotating bracket shell is connected with the direct current torque motor and the rotating transformer assembly, the direct current torque motor and one end of the rotating transformer assembly are synchronously connected in a rotating mode, the other end of the planetary speed reduction assembly is rotationally connected with the ball screw and the connecting block assembly, and the ball screw and the connecting block assembly synchronously move through the connecting block and the joint bearing sliding assembly.

Preferably, the electric power steering and braking device for an outboard engine, the dc torque motor and rotary transformer assembly includes a dc torque motor stator, a dc torque motor rotor, a rotary transformer stator and a rotary transformer rotor, the dc torque motor stator is connected in a cavity of the first rotary carrier housing, the dc torque motor rotor is rotationally connected with the planetary reduction assembly, the rotary transformer stator is connected in the cavity of the first rotary carrier housing and is located at a side of the dc torque motor rotor, and the rotary transformer rotor is rotationally connected with the planetary reduction assembly.

Preferably, the planetary reduction assembly comprises a left planetary frame, a motor sun shaft, planetary gears, a planetary shaft, an inner gear ring and a right planetary frame, wherein the motor sun shaft is connected in a first rotary bracket shell through a bearing, the left side of the motor sun shaft is connected with a direct current torque motor rotor, the right side of the motor sun shaft is connected with the planetary gears synchronously rotating with the motor sun shaft, the left side and the right side of the planetary gears are respectively connected with the left planetary frame and the right planetary frame, the left planetary frame and the right planetary frame are connected on the planetary gears through planetary shafts, the outer sides of the planetary gears are meshed with the inner gear ring, and the right planetary frame is connected with the ball screw and the connecting block assembly synchronously.

Preferably, the electric steering and braking device for the outboard engine, the ball screw and connecting block assembly comprises a ball screw, a ball screw nut and a connecting block, the ball screw is connected in the first rotary bracket shell through a bearing, the ball screw and a motor sun shaft are on the same axis, the ball screw is connected with the right planet carrier in a synchronous rotation mode, the ball screw is sleeved with the ball screw nut in a sliding mode, the ball screw nut is connected with the connecting block which slides synchronously with the ball screw nut, and the connecting block is connected with the joint bearing sliding assembly.

Preferably, the electric steering and braking device for the outboard engine, the joint bearing sliding assembly comprises a joint bearing seat, a joint bearing and a sliding sleeve, wherein the joint bearing seat is slidably connected in the second rotary bracket shell through the sliding sleeve, the joint bearing seat is connected with a ball screw nut through a connecting block, the joint bearing seat is internally connected with the joint bearing, and the joint bearing is connected with a hinged connecting piece.

Preferably, in the electric steering and braking device for the outboard engine, an involute tooth-shaped spline is arranged at the joint of the hinged connecting piece and the rotating shaft.

Preferably, an electromagnetic clutch is connected to the sun shaft of the motor.

By means of the scheme, the utility model has at least the following advantages:

the utility model adopts the direct current motor as a power source and adopts full electrified operation, has the advantages of small volume, simple structure, easy maintenance, safety and reliability, and can provide better operation experience and feel for users.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an electric power steering and braking device according to the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic diagram of a DC torque motor and rotary transformer assembly of the present utility model;

FIG. 5 is a schematic view of the planetary reduction assembly of the present utility model;

FIG. 6 is a schematic view of the ball screw and connection block assembly of the present utility model;

FIG. 7 is a schematic view of the plain bearing slide assembly of the present utility model;

FIG. 8 is a schematic view of the structure of the left limit position of the spherical plain bearing slide assembly of the present utility model;

fig. 9 is a schematic view of the right-hand limit position of the spherical plain bearing slide assembly of the present utility model.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Examples

As shown in fig. 1 and 2, an electric steering and braking device for an outboard engine comprises a ship body 1, the outboard engine 2 is connected to the ship body 1, a raising tail plate 4 is connected to the tail of the ship body 1, an electric steering and braking device 3 is connected to the raising tail plate 4 on a raising assembly of the outboard engine 2, a hinge connecting piece of the electric steering and braking device 3 is connected to a rotating shaft of the outboard engine 2, and the rotating shaft is radially connected with the outboard engine.

As shown in fig. 3, the electric power steering and braking device 3 according to the present utility model includes a rotating carrier housing 31, a dc torque motor and rotating transformer assembly 32, a planetary reduction assembly 33, a ball screw and connecting block assembly 34, a knuckle bearing sliding assembly 35, and a hinge connection 36, wherein the rotating carrier housing 31 includes a first rotating carrier housing 311 and a second rotating carrier housing 312 that are in communication, the knuckle bearing sliding assembly 35 is movably connected in the second rotating carrier housing 311, the hinge connection 36 that moves synchronously with the knuckle bearing sliding assembly 35 is connected to the knuckle bearing sliding assembly, one side of the first rotating carrier housing 311 is connected to the dc torque motor and rotating transformer assembly 32, the dc torque motor and rotating transformer assembly 32 is synchronously connected to one end of the planetary reduction assembly 33, the other end of the planetary reduction assembly 33 is rotatably connected to the ball screw and connecting block assembly 34, and the ball screw and connecting block assembly 34 moves synchronously with the knuckle bearing sliding assembly 35 through the connecting block.

As shown in fig. 4, the dc torque motor and rotary transformer assembly 32 according to the present utility model includes a dc torque motor stator 321, a dc torque motor rotor 322, a rotary transformer stator 323 and a rotary transformer rotor 324, wherein the dc torque motor stator 321 is connected in the cavity of the first rotary carrier housing 311, the dc torque motor rotor 322 is rotatably connected with the planetary reduction assembly 33, the rotary transformer stator 323 is connected in the cavity of the first rotary carrier housing 311 and is located at a side of the dc torque motor rotor 322, and the rotary transformer rotor 324 is rotatably connected with the planetary reduction assembly 33.

The direct-current torque motor and rotary transformer component is used for receiving signals of the feedback control part and is a power source of the whole device, a direct-current torque motor rotor is fixedly connected with a motor sun shaft through a fastener, and the rotary transformer rotor is connected with the motor sun shaft through a key slot and is axially fixed; meanwhile, the frameless direct current torque motor is used as a power source, and the rotary transformer is used as a feedback element.

As shown in fig. 5, the planetary reduction assembly 33 includes a left planet carrier 331, a motor sun shaft 332, a planet gear 333, a planet shaft 334, an inner gear ring 335 and a right planet carrier 336, the motor sun shaft 332 is connected in the first rotating carrier housing 311 through a bearing, the left side of the motor sun shaft 332 is connected with the dc torque motor rotor 322, the right side of the motor sun shaft 332 is connected with the planet gear 333 rotating synchronously with the motor sun shaft 332, the left side and the right side of the planet gear 333 are respectively connected with the left planet carrier 331 and the right planet carrier 336, the left planet carrier 331 and the right planet carrier 336 are connected with the planet gear 333 through the planet shaft 334, the outer side of the planet gear 333 is meshed with the inner gear ring 335, and the right planet carrier 336 is connected with the ball screw and the connecting block assembly 34 in the same step.

The planetary speed reduction assembly can reduce the speed of rotation of the motor, increase the torque according to the reduction ratio, and correspondingly install the speed and the torque after the speed and the torque are designed according to actual needs, and the installation of the speed and the torque are all known to the person skilled in the art.

As shown in fig. 6, the ball screw and connection block assembly 34 includes a ball screw 341, a ball screw nut 342 and a connection block 343, the ball screw 341 is connected in the first rotating bracket shell 311 through a bearing, the ball screw 341 is on the same axis as the motor sun shaft 332, the ball screw 341 is connected with the right planet carrier 336 in a synchronous rotation manner, the ball screw nut 342 is sleeved on the ball screw 341 in a sliding manner, the connection block 343 sliding synchronously with the ball screw nut 342 is connected with the ball screw nut 342, and the connection block 343 is connected with the joint bearing sliding assembly 35.

The ball screw and connecting block assembly converts the rotation motion of the planet carrier into linear motion.

As shown in fig. 7, the joint bearing sliding assembly 35 includes a joint bearing seat 351, a joint bearing 352 and a sliding sleeve 353, the joint bearing seat 351 is slidably connected in the second rotating bracket shell 312 through the sliding sleeve 353, the joint bearing seat 351 is connected with the ball screw nut 342 through a connecting block, the joint bearing 352 is connected in the joint bearing seat 351, and the joint bearing 352 is connected with the hinge connector 36.

The joint bearing sliding assembly 35 transmits the axial linear motion of the connecting block to the joint bearing seat and the joint bearing, so that the joint bearing sliding assembly can axially slide in the second rotary bracket shell.

The hinge connection 36 is provided with involute toothed splines at the junction with the shaft in the present utility model.

The motor sun shaft 332 is connected with an electromagnetic clutch 37 for parking braking, and comprises an electromagnetic clutch spline rotating part, an electromagnetic clutch main body and a fastening piece, wherein the electromagnetic clutch is a passive electromagnetic clutch, and is tightly held when the electromagnetic clutch is released and is powered off, the electromagnetic clutch spline rotating part is fixedly connected with the motor sun shaft, and the electromagnetic clutch main body is fixedly connected with a left end cover on the rotary bracket shell 31 through the fastening piece.

In the present utility model, when the knuckle bearing slide assembly of the electric power steering and braking apparatus is located at the intermediate position, the outboard motor main body is kept parallel to the ship main body.

As shown in fig. 8 and fig. 9, the knuckle bearing sliding assembly of the electric steering and braking device of the present utility model can reciprocate between a left limit position and a right limit position which are symmetrically distributed, so as to drive the outboard engine to rotate within a certain angle.

In the utility model, a frameless direct current torque motor is used as a power source, a motor stator is connected with a first rotary bracket shell, and a motor rotor outputs torque. The frameless direct current torque motor has the advantages of hollow structure, small occupied space, large output torque and the like.

The rotary transformer is used as feedback, and has the advantages of simple structure, high reliability and high feedback precision.

The planetary speed reduction mechanism is adopted as a speed reduction mode, and has the advantages of large speed reduction ratio and small occupied space.

The utility model adopts the knuckle bearing, and can realize deflection at a certain angle. The hinged connecting piece is connected with the rotating shaft by adopting involute spline teeth, and the transmission of large torque can be realized by using smaller size.

The working principle of the utility model is as follows:

when the outboard engine is required to rotate for a certain angle relative to the ship, a control device (a main engine) in the ship sends a signal for rotating for a specific angle, after the signal is transmitted to a direct-current torque motor and rotary transformer assembly, an electromagnetic clutch is electrified and is loosened with a motor sun shaft, a direct-current torque motor rotor starts to rotate, the direct-current torque motor rotor transmits rotary motion and torque to a planetary reduction assembly through the fixedly connected motor sun shaft, the planetary reduction assembly outputs rotary motion and torque through a right planetary carrier on the right side after amplifying the torque, the right planetary carrier transmits the rotary motion and torque to a ball screw and connecting block assembly through a ball screw fixedly connected with the planetary reduction assembly, the rotary motion of the screw is converted into axial reciprocating motion of a nut through the ball screw, then a joint bearing sliding assembly is transmitted through a connecting block, the joint bearing sliding assembly reciprocates in a second rotary bracket shell and drives a hinged connecting piece to rotate, and the hinged connecting piece drives an outboard engine main body fixedly connected with a rotating shaft to rotate through an involute spline, so that the outboard engine main body is enabled to rotate relative to the ship main body, and the rotary transformer feeds back rotating angle information to the control device in real time.

When the motor rotates to a required angle, the rotary transformer feeds corresponding information back to the control device, the torque motor stops rotating, the electromagnetic clutch is in power-off braking to tightly hold the motor sun shaft, the outboard motor and the ship are fixed at the designated angle until the control device sends out a next rotating angle signal.

The angle designed in the present utility model is a set angle set by a person skilled in the art, and the angle at the time of operation is within the range of the set angle.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, the terms "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or the positional relationship that the product of the application is conventionally put in use, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (7)

1. The utility model provides an electronic steering and arresting gear for outboard engine, includes boats and ships body (1), be connected with outboard engine (2) on boats and ships body (1), be connected with on the afterbody of boats and ships body (1) and lift upwarp tailboard (4), its characterized in that: the tilting tail plate (4) on the tilting assembly of the outboard engine (2) is connected with an electric steering and braking device (3), and a hinge connecting piece of the electric steering and braking device (3) is connected with a rotating shaft of the outboard engine (2);

the electric steering and braking device (3) comprises a rotating bracket shell (31), a direct current torque motor and rotating transformer assembly (32), a planetary speed reduction assembly (33), a ball screw and connecting block assembly (34), a joint bearing sliding assembly (35) and a hinged connecting piece (36), wherein the rotating bracket shell (31) comprises a first rotating bracket shell (311) and a second rotating bracket shell (312) which are communicated, the joint bearing sliding assembly (35) is movably connected in the second rotating bracket shell (312), the hinged connecting piece (36) which synchronously moves with the joint bearing sliding assembly is connected on the joint bearing sliding assembly (35), the direct current torque motor and rotating transformer assembly (32) are connected on one side of the first rotating bracket shell (311), the direct current torque motor and rotating transformer assembly (32) are synchronously and rotatably connected with one end of the planetary speed reduction assembly (33), the other end of the planetary speed reduction assembly (33) is synchronously and rotatably connected with the ball screw and connecting block assembly (34), and the ball screw and connecting block assembly (34) synchronously move through the connecting block and the joint bearing sliding assembly (35).

2. An electric power steering and braking device for an outboard engine as set forth in claim 1, wherein: the direct current torque motor and rotary transformer assembly (32) comprises a direct current torque motor stator (321), a direct current torque motor rotor (322), a rotary transformer stator (323) and a rotary transformer rotor (324), wherein the direct current torque motor stator (321) is connected in a cavity of a first rotary bracket shell (311), the direct current torque motor rotor (322) is rotationally connected with a planetary reduction assembly (33), the rotary transformer stator (323) is connected in the cavity of the first rotary bracket shell (311) and is located at the side edge of the direct current torque motor rotor (322), and the rotary transformer rotor (324) is rotationally connected with the planetary reduction assembly (33).

3. An electric power steering and braking device for an outboard engine as set forth in claim 1, wherein: the planetary reduction assembly (33) comprises a left planet carrier (331), a motor sun shaft (332), planet gears (333), planet shafts (334), an inner gear ring (335) and a right planet carrier (336), wherein the motor sun shaft (332) is connected in a first rotary carrier shell (311) through a bearing, the left side of the motor sun shaft (332) is connected with a direct current torque motor rotor (322), the right side of the motor sun shaft (332) is connected with planet gears (333) which synchronously rotate along with the motor sun shaft (332), the left side and the right side of the planet gears (333) are respectively connected with the left planet carrier (331) and the right planet carrier (336), the left planet carrier (331) and the right planet carrier (336) are connected on the planet gears (333) through planet shafts (334), the outer side of the planet gears (333) are meshed with the inner gear ring (335), and the right planet carrier (336) is connected with a ball screw and a connecting block assembly (34) in the same step.

4. An electric power steering and braking device for an outboard engine as set forth in claim 1, wherein: the ball screw and connecting block assembly (34) comprises a ball screw (341), a ball screw nut (342) and a connecting block (343), the ball screw (341) is connected in a first rotary bracket shell (311) through a bearing, the ball screw (341) and a motor sun shaft (332) are in the same axis, the ball screw (341) and a right planet carrier (336) are synchronously rotated and connected, a ball screw nut (342) is sleeved on the ball screw (341) in a sliding mode, a connecting block (343) which synchronously slides with the ball screw nut (342) is connected on the ball screw nut (342), and the connecting block (343) is connected with a joint bearing sliding assembly (35).

5. An electric power steering and braking device for an outboard engine as set forth in claim 1, wherein: the joint bearing sliding assembly (35) comprises a joint bearing seat (351), a joint bearing (352) and a sliding sleeve (353), wherein the joint bearing seat (351) is slidably connected in the second rotary bracket shell (312) through the sliding sleeve (353), the joint bearing seat (351) is connected with a ball screw nut (342) through a connecting block, the joint bearing (352) is connected with the joint bearing (352), and the joint bearing (352) is connected with a hinged connecting piece (36).

6. An electric power steering and braking device for an outboard engine as set forth in claim 1, wherein: an involute tooth spline is arranged at the joint of the hinged connecting piece (36) and the rotating shaft.

7. An electric power steering and braking device for an outboard engine according to claim 3, wherein: an electromagnetic clutch (37) is connected to the motor sun shaft (332).

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