CN106314745A - Rudder angle generator - Google Patents

Abstract

The invention discloses a rudder angle generator. The rudder angle generator includes a base, a stator module, and a rotor; the base has a cavity with an open at the top thereof; the stator module is arranged in the cavity; the rotator is rotatably arranged on the stator module through a bearing; the stator module includes a stator and a front cover fixed above the stator; a through hole is formed in the center of the front cover; the top end of the rotor passes through the through hole and protrudes out of the upper surface of the front cover; the through hole includes a seal ring installation groove, a spacing groove and a first bearing installation groove, which communicates with each other successively from top to bottom; the seal ring installation groove and the first bearing installation groove have circular sections; the spacing groove has an isosceles trapezoid-shaped section; a seal ring is arranged in the seal ring installation groove; a first bearing is arranged in the first bearing installation groove; and the first bearing sleeves the rotor. The rudder angle generator is simple in structure, is excellent in sealing performance, and is easy to assemble and maintain.

Description

Rudder angle generator

Technical field

The application relates to technical field of ships, particularly relates to a kind of rudder angle generator.

Background technology

For many years, the reading instument such as helm indicator in display instrument peculiar to vessel, main engine revolution speedometer, main Magneto-electric moving-coil instrument to be used and selsyn formula instrument.Moving-coil type gauge outfit itself can only be measured directly Stream, but be equipped with peripheral circuit and can also measure exchange.Selsyn instrument then general volume is relatively big, gauge outfit merit Consumption is big, needs pairing to use.In terms of angles of display, the angle changing rate of selsyn instrument is big, the most all Exceed 300 degree, and moving-coil instrument typically reality angle table is little, about generally 90-240 degree；From line Property is seen, due to the hairspring of moving-coil instrument, the quality of magnet steel etc., can't neglect for linear effect, The density utilizing graduation mark is usually needed to be corrected；In terms of service life, moving-coil instrument is the most true Point is that shock resistance is poor, and this is owing to the feature of hairspring structure determines.Selsyn instrument must be matched and be made With, namely transmitter also must be selsyn.Although the selsyn the most also having electronic module is believed Number conversion etc., but due to expensive, be typically rarely employed.The power consumption of selsyn is relatively big, year for a long time with After also can aging due to coil, bearing grinds, sweep thorax etc. between rotor and stator and make instruction inaccurate or Can not indicate；From the balanced adjustment of table, pointer gauge requires the highest, adjusts the most complicated, while it is true, Some tables also to require " vertically " to install and use or " level " is installed and used, especially because moving-coil The rotating torque of table, linear and table structure have the biggest relation, such as, it is necessary to use very light in weight Indicator etc., otherwise sensitivity and being linearly all affected.

Summary of the invention

It is an object of the invention to provide a kind of rudder angle generator, to overcome deficiency of the prior art.

For achieving the above object, the present invention provides following technical scheme:

The embodiment of the present application discloses a kind of rudder angle generator, including base, stator module and rotor, institute Stating base and have the cavity of a top end opening, described stator module is located in cavity, and described rotor passes through axle Forward dynamic being located on stator module, before described stator module includes stator and is fixed on above stator Lid, the middle part of described protecgulum offers through hole, and the top of described rotor is through this through hole and protrudes out described The upper surface of protecgulum, described through hole includes sealing ring mounting groove, interval trough and first being sequentially communicated up and down Bearing mounting groove, described sealing ring mounting groove and clutch shaft bearing mounting groove have circle cross section, described between Separate slot has the cross section of isosceles trapezoid, is provided with sealing ring, described first axle in described sealing ring mounting groove Being provided with clutch shaft bearing 223 in holding mounting groove, described clutch shaft bearing is sheathed on the outside of rotor.

Preferably, in above-mentioned rudder angle generator, basis that is that described sealing ring includes level and that be annular Body, the first side wall extended separately down from Liang Ge edge, this inside and outside and the second sidewall, described first side It is fixed with torsion spring between wall and the second sidewall.

Preferably, in above-mentioned rudder angle generator, the angle between described the first side wall and body is more than 90°。

Preferably, in above-mentioned rudder angle generator, the end of described second sidewall is towards the first side wall Horizontal direction is extended with the 3rd sidewall.

Preferably, in above-mentioned rudder angle generator, described the first side wall deviates from the one of described second sidewall Face forms hackly surface.

Compared with prior art, it is an advantage of the current invention that: the rudder angle generator architecture of the present invention is simple, Good seal performance, be easy to assemble and maintenance.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art From the point of view of, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 show the structural representation of rudder angle generator in the specific embodiment of the invention；

Fig. 2 show the enlarged drawing of A in Fig. 1；

Fig. 3 show the enlarged drawing of B in Fig. 1；

Fig. 4 show the enlarged drawing of C in Fig. 1.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Detailed description, it is clear that described embodiment is only a part of embodiment of the present invention rather than complete The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation Property work on the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.

Shown in ginseng Fig. 1, rudder angle generator includes base 10, stator module 20, rotor 30, rocking bar 40 With cable assembly 50.Base 10 has the cavity 11 of a top end opening, and stator module 20 is located at cavity 11 In, rotor 30 is rotated by bearing and is located on stator module 20, and rotor 30 is fixed in one end of rocking bar 40 Top, cable assembly 50 is communicated in cavity 11.

Stator module 20 includes stator 21, protecgulum 22 and bonnet 23, and stator 21 includes ring-shaped section and ring-shaped Main part 211 and main body 21 tip edge to the horizontal-extending installation portion 212 of surrounding, install Offering multiple first installing hole in portion 212, the first installing hole and screw are passed through with front in the top of stator 21 Lid 22 is fixed, and the bottom of stator 22 sidewall offers multiple second installing hole, and the bottom of stator 22 is passed through Second installing hole and screw removably connect with bonnet 23.Protecgulum 22 hides in the overthe openings of cavity 11, Fix between protecgulum 22 with base 10 and be connected.

Shown in ginseng Fig. 2, the lower surface of protecgulum 22 protrudes out the baffle plate 221 of annular, this baffle plate 221 interior Footpath is equal to the diameter of described cavity 11 equal to the external diameter of described installation portion 212, the external diameter of this baffle plate 221, Baffle plate 221 is between the sidewall and installation portion 212 of cavity 11.

At the interior angle at the top of base 10, the recessed stage portion 12 being formed with annular, this stage portion 12 is propped up Support is provided with O-ring seals 13.

The sealing space that a cross section is square is surrounded between the bottom surface of protecgulum 22, baffle plate and stage portion 12, The diameter of O-ring seals 13 is more than this foursquare length of side.

Shown in ginseng Fig. 3, the middle part of protecgulum 22 offers through hole 221, and the top of rotor 30 passes this through hole 221 and protrude out the upper surface of protecgulum 22.Through hole 221 includes the sealing ring mounting groove being sequentially communicated up and down 2211, interval trough 2212 and clutch shaft bearing mounting groove 2213, sealing ring mounting groove 2211 and clutch shaft bearing Mounting groove 2213 has the cross section of circle, and interval trough 2212 has the cross section of isosceles trapezoid.Sealing ring is pacified Sealing ring 222 is installed in tankage 2211, clutch shaft bearing 223 is installed in clutch shaft bearing mounting groove 2213, Clutch shaft bearing 223 is sheathed on the outside of rotor 30.

Sealing ring 222 include level and for annular body 2221, from inside and outside two edges of body 2221 The first side wall 2222 extended separately down and the second sidewall 2223, the first side wall 2222 and the second sidewall Torsion spring 2224 it is fixed with between 2223.

Further, the angle between the first side wall 2222 and body 2221 is more than 90 °, the second sidewall The end of 2223 is extended with the 3rd sidewall 2225 towards the horizontal direction of the first side wall 2222.

Further, the first side wall 2222 forms hackly surface towards the one side of rotor 30.

Shown in ginseng Fig. 4, bonnet 23 includes the end wall 231 of ring-shaped section and ring-shaped and the end plate 232 that cross section is rounded, End wall 231 surrounds the cavity of a cylinder, in end plate 232 is fixed on this cavity and is divided up and down by this cavity Being divided into installing space and lower installing space, upper installing space is sheathed on the Basolateral of stator 21, lower peace Dress is provided with printed board 233 in space.

The through hole corresponding with the second installing hole on stator 21 is offered on end plate 232.

The upper surface of end plate 232 is recessed is formed with the second bearing mounting hole 2321, the second bearing mounting hole Being provided with the second bearing 2322 in 2321, the second bearing 2322 is sheathed on the outside of rotor 30.

Further, the second bearing mounting hole 2321 includes the first installing hole 2323 and connected up and down Two installing holes 2324, the diameter of the first installing hole 2323 is more than the diameter of the second installing hole 2324.

Rocking bar 40 by acorn nut 41 be fixed on the top of rotor 30, acorn nut and rocking bar 40 it Between be additionally provided with internal tooth lock washer 42.

Cable assembly 50 passes the sidewall of base 10 by adapter assembly 60, and adapter assembly 60 includes cutting Face main part 61 ringwise, the surface outward of main part 61 has the location division 62 of annular, main body 61 have the cavity 63 that diameter gradually property is shunk, and main part 61 is sheathed on the outside of cable assembly 50.

Main part 61 has external threaded surface, and its one end is rotated by thread surface is fixed on base 10 On sidewall, the other end rotates and is provided with nut 64, is sealed with rubber tube between nut 64 and cable assembly 50 65, rubber tube 65 is sheathed on the outside of cable assembly 50.

It should be noted that in this article, the relational terms of such as first and second or the like is used merely to One entity or operation are separated with another entity or operating space, and not necessarily requires or imply Relation or the order of any this reality is there is between these entities or operation.And, term " includes ", " comprise " or its any other variant is intended to comprising of nonexcludability, so that include that one is The process of row key element, method, article or equipment not only include those key elements, but also include the brightest Other key elements really listed, or also include intrinsic for this process, method, article or equipment Key element.In the case of there is no more restriction, statement " including ... " key element limited, It is not precluded from there is also in including the process of described key element, method, article or equipment other identical Key element.

The above is only the detailed description of the invention of the application, it is noted that general for the art For logical technical staff, on the premise of without departing from the application principle, it is also possible to make some improvement and profit Decorations, these improvements and modifications also should be regarded as the protection domain of the application.

Claims (5)

1. a rudder angle generator, it is characterised in that: include base, stator module and rotor, the described end Seat has the cavity of a top end opening, and described stator module is located in cavity, and described rotor is turned by bearing Moving and be located on stator module, described stator module includes stator and is fixed on the protecgulum above stator, The middle part of described protecgulum offers through hole, and the top of described rotor is through this through hole and protrudes out described protecgulum Upper surface, described through hole includes sealing ring mounting groove, interval trough and the clutch shaft bearing being sequentially communicated up and down Mounting groove, described sealing ring mounting groove and clutch shaft bearing mounting groove have the cross section of circle, described interval trough Having the cross section of isosceles trapezoid, be provided with sealing ring in described sealing ring mounting groove, described clutch shaft bearing is pacified Being provided with clutch shaft bearing in tankage, described clutch shaft bearing is sheathed on the outside of rotor.

Rudder angle generator the most according to claim 1, it is characterised in that: described sealing ring includes water Flat and for annular body, the first side wall and second extended separately down from Liang Ge edge, this inside and outside Sidewall, is fixed with torsion spring between described the first side wall and the second sidewall.

Rudder angle generator the most according to claim 2, it is characterised in that: described the first side wall and basis Angle between body is more than 90 °.

Rudder angle generator the most according to claim 2, it is characterised in that: the end of described second sidewall End face is extended with the 3rd sidewall to the horizontal direction of the first side wall.

Rudder angle generator the most according to claim 2, it is characterised in that: described the first side wall deviates from The one side of described second sidewall forms hackly surface.