Marine rudder bearing and rudder stock structure with separated clamping
Technical Field
The invention relates to a clamping and separating rudder carrier and rudder stock structure for a ship.
Background
The rudder bearing is an important device in a ship rudder system, and bears axial and radial loads from a rudder stock and a rudder blade so as to ensure that the rudder blade rotates left and right along with the rudder stock, thereby changing the course of the ship or keeping the ship in straight line navigation; the rudder stock is a shaft for rotating the rudder blade and is used for bearing and transmitting force acting on the rudder blade and force of the rudder for steering the rudder device, namely the rudder blade is rotated by the rudder stock, and the rudder blade bearing reacting force on the rudder blade to steer the ship; the existing rudder bearing is sleeved outside the rudder stock and is used for limiting and supporting the rudder stock; the existing rudder stock installed in the rudder bearing is arranged and installed, if the upper half part or the lower half part of the rudder stock needs to be replaced, the whole rudder stock is directly replaced, so that the cost is too high, if the part needing to be replaced can be replaced according to actual requirements, the enterprise cost is greatly reduced, and a separated rudder bearing rudder stock structure needs to be developed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: provided is a clamping and separating type marine rudder carrier and rudder stock structure, wherein the upper half part and the lower half part of the rudder stock can be separated and can be conveniently installed.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a clamping and separating rudder carrier and rudder stock structure for a marine rudder carrier comprises a rudder carrier body, an upper mounting rod, a lower rotary rod and a buckle mechanism; the rudder carrier body is of a ring structure; the lower rotary rod is rotatably clamped and installed below the inner part of the rudder carrier body; two sides of the upper end of the lower rotating rod are respectively provided with an inserting groove; two sides of the lower end of the upper mounting rod are respectively provided with an inserting column; the upper mounting rod is inserted into the insertion grooves on the two sides of the upper end of the lower rotating rod through the insertion columns on the two sides; an upper driving groove is formed in the middle inside the upper mounting rod; the lower end of the upper driving groove is communicated with an internal thread channel; a lower positioning groove is formed in the middle of the inner part of the upper end of the lower rotating rod; the clamping mechanism comprises an external driving stud, an internal driving screw, a connecting block, an internal clamping plate and a clamping ring body; a clamping ring body is arranged around the inner part of the lower positioning groove; the external driving stud is rotatably arranged on the internal thread channel of the upper mounting rod in a threaded manner; the upper end of the external driving stud is positioned in the upper driving groove, and the lower end of the external driving stud extends into the lower positioning groove of the lower rotating rod; an adjusting thread channel is arranged inside the external driving stud; the connecting block is arranged at the lower end of the external driving stud; an inner hidden cavity is arranged inside the connecting block; the left side and the right side of the built-in cavity are respectively provided with an opening; the built-in cavity of the connecting block is communicated with the adjusting thread channel of the external driving stud; two sides of the built-in cavity of the connecting block are respectively clamped with a built-in clamping plate in a sliding manner; the internal driving screw is in threaded rotary connection with an adjusting threaded channel of the external driving stud; the lower end of the built-in driving screw rod extends into a built-in cavity of the connecting block; the lower end of the built-in driving screw drives the built-in clamping plates on two sides in the built-in cavity to move towards two sides, and the lower end of the built-in driving screw drives the built-in clamping plates to move to the outer side of the connecting block and be positioned below the clamping ring body; when the external driving stud rotates on the internal thread channel of the upper mounting rod, the internal driving screw, the connecting block and the built-in clamping plate are driven to move up and down together.
Furthermore, the buckle mechanism also comprises a movable clamping block, a reset elastic body and a driving block; two sides of the bottom of the built-in cavity of the connecting block are respectively clamped with a movable clamping block in a sliding manner; the upper ends of the inner parts of the openings at the two sides of the built-in cavity are respectively provided with a reset elastic body; the outer sides of the upper ends of the movable clamping blocks are respectively elastically pressed on the reset elastic bodies; the outer sides of the lower ends of the movable clamping blocks are respectively provided with a built-in clamping plate; the lower end of the built-in driving screw rod is provided with a driving block; the driving block is connected with the movable clamping blocks arranged on two sides of the bottom of the built-in cavity in an abutting mode.
Further, the driving block is in a conical structure with a large upper part and a small lower part; the opposite inner sides of the movable clamping blocks are respectively provided with a driving inclined plane; the driving inclined planes on the movable clamping blocks at two sides of the bottom of the built-in cavity form a conical structure with a large top and a small bottom; the two sides of the driving block are abutted between the driving inclined planes on the opposite inner sides of the movable clamping blocks.
Furthermore, two sides of the bottom of the built-in cavity are respectively provided with a sliding latch; the lower end of the movable clamping block is provided with a sliding clamping groove; the movable clamping block is clamped on the sliding clamping tooth at the bottom of the built-in cavity in a sliding mode through the sliding clamping groove at the lower end of the movable clamping block.
Furthermore, the built-in clamping plates are distributed in an inclined structure with the outer end upwards and the inner end downwards; the clamping ring body is of a conical ring body structure with a large upper part and a small lower part.
Furthermore, an adjusting groove is arranged in the middle of the upper end of the external driving stud; the lower end of the adjusting groove is communicated with an adjusting thread channel; the upper end of the internal drive screw is positioned in the adjusting groove in the middle of the upper end of the external drive stud.
Furthermore, a rotary ring body is arranged on the outer side of the periphery of the lower rotary rod; a sealing ring body is arranged around the inner part of the rudder carrier body; a sealing ring groove is formed in the inner side of the periphery of the sealing ring body; the lower rotating rod is connected to the sealing ring groove on the inner side of the periphery of the sealing ring body in a sealing mode through the rotating ring body on the outer side of the periphery of the lower rotating rod.
Furthermore, an installation ring body is arranged around the upper end of the rudder carrier body.
The invention has the advantages of
The invention changes the connection structure of a rudder bearing and a rudder stock, separates the rudder stock into an upper mounting rod and a lower rotary rod, rotatably connects the lower rotary rod and the rudder bearing, movably connects the upper mounting rod and the lower rotary rod through a buckle mechanism, firstly inserts the upper mounting rod into the insertion grooves at the two sides of the upper end of the lower rotary rod through the insertion columns at the two sides, thus realizing the radial locking of the upper mounting rod and the lower rotary rod, then downwardly rotates an internal drive screw rod, so that a drive block at the lower end of the internal drive screw rod downwardly extrudes a movable clamping block, so that the movable clamping block extrudes towards the two sides and drives an internal clamping plate to extend out from a side opening of a connecting block, then upwardly rotates an external drive screw rod, further drives the whole internal drive screw rod, the connecting block and the internal clamping plate to move upwardly together, and finally enables the internal clamping plate buckle to abut against the lower side of the clamping block, so that the upper mounting rod and the lower rotating rod are longitudinally locked; when the connection block needs to be separated, the external driving screw is firstly rotated downwards, so that the built-in clamping plate is separated from the clamping ring body downwards, then the internal driving screw is rotated upwards, the clamping block is transversely extruded and moved inwards through the reset elastic body, and the built-in clamping plate is further driven to enter the built-in cavity of the connection block again, so that the upper mounting rod can be directly pulled out upwards from the lower rotating rod, and the separation of the upper mounting rod and the lower rotating rod is realized; the invention realizes the separated connection of the rudder bearing and the rudder stock, realizes the partial separation and installation of the rudder stock and has flexible use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged structural view of the upper mounting rod, the lower rotating rod and the locking mechanism of the present invention.
Fig. 3 is an enlarged structural diagram of the built-in clamping plate positioned in the built-in cavity of the connecting block.
FIG. 4 is an enlarged view of the hidden card plate of the present invention passing through the openings at the two sides of the hidden cavity of the connecting block.
FIG. 5 is an enlarged view of the hidden clip plate of the present invention moving upward to abut against the underside of the clip ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a clamping and separating rudder carrier and rudder stock structure for a marine rudder carrier comprises a rudder carrier body 1, an upper mounting rod 3, a lower rotary rod 2 and a buckling mechanism 4; the rudder bearing body 1 is of a ring structure; the lower rotary rod 2 is rotatably clamped and installed below the inner part of the rudder carrier body 1; two sides of the upper end of the lower rotating rod 2 are respectively provided with an inserting groove 21; two sides of the lower end of the upper mounting rod 3 are respectively provided with an inserting column 33; the upper mounting rod 3 is inserted into the insertion grooves 21 on the two sides of the upper end of the lower rotating rod 2 through the insertion columns 33 on the two sides; an upper driving groove 31 is formed in the middle inside the upper mounting rod 3; the lower end of the upper driving groove 31 is communicated with an internal thread channel 32; a lower positioning groove 23 is formed in the middle of the inner part of the upper end of the lower rotating rod 2; the buckling mechanism 4 comprises an external driving stud 41, an internal driving screw 42, a connecting block 45, an internal clamping plate 43 and a clamping ring body 44; a clamping ring body 44 is arranged around the inner part of the lower positioning groove 23; the external driving stud 41 is rotatably arranged on the internal thread channel 32 of the upper mounting rod 3 in a threaded manner; the upper end of the external drive stud 41 is positioned in the upper drive groove 31, and the lower end of the external drive stud extends into the lower positioning groove 23 of the lower rotating rod 2; an adjusting threaded channel 411 is arranged inside the external driving stud 41; the connecting block 45 is arranged at the lower end of the external driving stud 41; the inside of the connecting block 45 is provided with a built-in cavity 451; the left side and the right side of the built-in cavity 451 are respectively provided with an opening 452; the built-in cavity 451 of the connecting block 45 is communicated with the adjusting thread channel 411 of the external driving stud 41; two sides of the built-in cavity 451 of the connecting block 45 are respectively clamped with a built-in clamping plate 43 in a sliding manner; the internal drive screw 42 is in threaded rotation connection with the adjusting threaded passage 411 of the external drive stud 41; the lower end of the built-in driving screw rod 42 extends into the built-in cavity 451 of the connecting block 45; the lower end of the built-in driving screw 42 drives the built-in clamping plates 43 at two sides in the built-in cavity 451 to move towards two sides, and the lower end of the built-in driving screw 42 drives the built-in clamping plates 43 to move to the outer side of the connecting block 45 and be positioned below the clamping ring body 44; when the external driving stud 41 rotates on the internal thread channel 32 of the upper mounting rod 3, the internal driving screw 42, the connecting block 45 and the internal clamping plate 43 are driven to move up and down together.
As shown in fig. 1 to 5, it is further preferable that the latch mechanism 4 further includes a movable latch block 46, a reset elastic body 48, and a driving block 47; two sides of the bottom of the built-in cavity 451 of the connecting block 45 are respectively clamped with a movable clamping block 46 in a sliding manner; the upper ends of the inner parts of the openings 452 on the two sides of the built-in cavity 451 are respectively provided with a reset elastic body 48; the outer sides of the upper ends of the movable clamping blocks 46 are respectively elastically pressed on the reset elastic bodies 48; the outer sides of the lower ends of the movable clamping blocks 46 are respectively provided with an inner hidden clamping plate 43; the lower end of the built-in driving screw rod 42 is provided with a driving block 47; the driving block 47 is mounted in contact with the movable engaging blocks 46 on both sides of the bottom of the built-in cavity 451. Further, the driving block 47 is in a conical structure with a large top and a small bottom; the opposite inner sides of the movable clamping block 46 are respectively provided with a driving inclined plane 461; the driving inclined planes 461 on the movable clamping blocks 46 at the two sides of the bottom of the built-in cavity 451 form a conical structure with a large top and a small bottom; both sides of the driving block 47 abut between the driving slopes 461 on the opposite inner sides of the moving engagement block 46. Furthermore, two sides of the bottom of the built-in cavity 451 are respectively provided with a sliding latch 453; the lower end of the movable clamping block 46 is provided with a sliding clamping groove 462; the movable engaging block 46 is slidably engaged with the sliding engaging teeth 453 at the bottom of the inner receiving cavity 451 through the sliding engaging groove 462 at the lower end. Further, the built-in clamping plates 43 are distributed in an inclined structure with the outer ends upward and the inner ends downward; the snap ring 44 is a tapered ring structure with a large top and a small bottom. Further, an adjusting groove 412 is formed in the middle of the upper end of the external driving stud 41; the lower end of the adjusting groove 412 is communicated with an adjusting threaded passage 411; the upper end of the internal drive screw 42 is located in an adjustment groove 412 in the middle of the upper end of the external drive stud 41. Further, a rotary ring body 22 is arranged on the outer side of the periphery of the lower rotary rod 2; a sealing ring body 11 is arranged around the inside of the rudder carrier body 1; a sealing ring groove is formed in the inner side of the periphery of the sealing ring body 11; the lower rotating rod 2 is connected with the sealing ring groove on the inner side of the periphery of the sealing ring body 11 in a sealing way through the rotating ring body 22 on the outer side of the periphery. Further, the upper end of the rudder carrier body 1 is provided with an installation ring body 12 around.
The connecting structure of the rudder bearing 1 and the rudder stock is changed, the rudder stock is separated into the upper mounting rod 3 and the lower rotary rod 2, the lower rotary rod 2 is rotatably connected with the rudder bearing body 1, and the upper mounting rod 3 and the lower rotary rod 2 are movably connected through the buckle mechanism 4, so that the separate connection of the rudder bearing and the rudder stock is realized, the partial separation and installation of the rudder stock are realized, and the use is flexible.
The installation and separation process of the invention is as follows: firstly, the upper mounting rod 3 is inserted into the insertion grooves 21 on two sides of the upper end of the lower rotary rod 2 through the insertion columns 33 on two sides, so that the upper mounting rod 3 and the lower rotary rod 2 are radially locked, then the built-in driving screw 42 is rotated downwards, the driving block 47 on the lower end of the built-in driving screw 42 downwards extrudes the movable clamping block 46, so that the movable clamping block 46 extrudes towards two sides and drives the built-in clamping plate 43 to extend out from the side opening 452 of the connecting block 45, then the external driving stud 41 is rotated upwards, the whole built-in driving screw 42, the connecting block 45 and the built-in clamping plate 43 are driven to move upwards together, and finally the built-in clamping plate 43 is clamped and abutted against the lower side of the clamping ring body 44, so that the upper mounting rod 3 and the lower rotary rod 2 are longitudinally locked; when the separation is needed, the external driving screw 41 is firstly rotated downwards, so that the internal clamping plate 43 is separated from the clamping ring body 44 downwards, then the internal driving screw 42 is rotated upwards, the clamping block 46 is transversely extruded inwards through the reset elastic body 48, and the internal clamping plate 43 is further driven to enter the internal cavity 451 of the connecting block 45 again, so that the upper mounting rod 3 can be directly pulled out upwards from the lower rotary rod 2, and the separation of the upper mounting rod 3 and the lower rotary rod 2 is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.