CN215475679U - Dual-drive marine rudder bearing structure - Google Patents
Dual-drive marine rudder bearing structure Download PDFInfo
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- CN215475679U CN215475679U CN202121861276.0U CN202121861276U CN215475679U CN 215475679 U CN215475679 U CN 215475679U CN 202121861276 U CN202121861276 U CN 202121861276U CN 215475679 U CN215475679 U CN 215475679U
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Abstract
A double-drive marine rudder bearing structure comprises an external thread floating mechanism; the utility model is additionally provided with an external thread floating mechanism, and the sliding block is driven to move up and down in the longitudinal sliding grooves on the two sides of the upper end of the lower rudder body through the rotation of the adjusting screw rod, so that the external thread ring body is driven to float up and down on the periphery of the outer side of the lower rudder body, the whole rotary driving assembly is driven to move up and down, and the purpose of adjusting the whole axial length is achieved.
Description
Technical Field
The utility model relates to a double-drive marine rudder bearing structure.
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 current rudder bearing is whole annular structure generally, when rudder bearing and rudderstock were installed and the rudder bearing was installed on the organism, the axial length of rudder bearing generally can not be adjusted, so make the use flexibility of rudder bearing poor, need accurate adaptation processing, the processing degree of difficulty is high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model solves the problems that: the double-drive marine rudder bearing structure has the advantages of double-drive adjustment, convenience in driving, adjustable axial length and flexibility in use.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a double-drive marine rudder bearing structure comprises an upper rudder body, a lower rudder body, a telescopic ring body, a rotary drive assembly and an external thread floating mechanism; the upper rudder body and the lower rudder body are both in a circular structure; the upper rudder body is arranged around the upper end of the lower rudder body; a plurality of guide grooves are uniformly formed in the periphery of the lower end of the upper rudder body; a plurality of guide rods are uniformly arranged on the periphery of the upper end of the lower rudder body; a plurality of guide rods around the upper end of the lower rudder body are respectively in sliding insertion connection with a plurality of guide grooves around the lower end of the upper rudder body; a telescopic ring body is arranged between the inner sides and the periphery of the upper rudder body and the lower rudder body; the external thread floating mechanism comprises an external thread ring body, an adjusting screw rod and a sliding block; two longitudinal sliding grooves are respectively formed in the two sides of the upper end of the lower rudder body; two sliding blocks are respectively installed at two ends of the inner side of the external thread ring body; the sliding block is provided with a screw hole; the outer sides of the periphery of the upper end of the lower rudder body are sleeved with an external thread ring body; sliding blocks at two ends of the inner side of the external thread ring body are connected to longitudinal sliding grooves at two sides of the upper end of the lower rudder body in a sliding and clamping mode up and down; an adjusting screw is respectively arranged in the longitudinal sliding grooves; the upper end of the adjusting screw rod is in threaded connection with the screw hole of the sliding block and then is rotationally clamped in the upper end of the longitudinal sliding groove, and the lower end of the adjusting screw rod extends to the lower outer side of the longitudinal sliding groove; the rotary driving assembly comprises an abutting ring body, a transverse clamping rod, a driving ring body and an internal thread ring body; the abutting ring body is movably arranged on the outer side of the periphery of the lower end of the upper rudder body; the outer sides of the periphery of the abutting ring body are provided with annular clamping grooves; two sides of the inner part of the upper end of the driving ring body are respectively provided with a transverse clamping and connecting rod; the transverse clamping connection rods on two sides inside the upper end of the driving ring body are rotatably clamped on the annular clamping grooves of the abutting ring body; the periphery of the lower end of the driving ring body is provided with an internal thread ring body; the internal thread ring body is in threaded rotary connection with the external thread ring body on the outer side of the periphery of the upper end of the lower rudder body.
Further, the rotary driving assembly further comprises an annular baffle plate and a locking screw rod; the outer sides of the periphery of the upper rudder body are provided with annular baffles; a plurality of through connecting grooves are uniformly formed in the annular baffle; a plurality of positioning thread grooves are uniformly formed around the upper end of the abutting ring body; the periphery of the upper end of the abutting ring body abuts against the periphery of the lower end of the annular baffle; the positioning thread grooves at the upper end of the abutting ring body are respectively arranged in one-to-one correspondence with the cross-connecting grooves on the annular baffle; the lower end of the locking screw penetrates through the penetrating groove and then is in threaded connection with the positioning thread groove, and the upper end of the locking screw abuts against the upper side of the annular baffle.
Furthermore, a limiting ring body is arranged around the upper end and the lower end of the external thread ring body respectively.
Furthermore, wear-resistant coatings are arranged on the outer sides of the peripheries of the guide rods on the periphery of the upper end of the lower rudder body; the wear-resistant coating is a polytetrafluoroethylene coating.
Furthermore, the periphery of the lower end of the telescopic ring body is fixedly connected to the inner side of the periphery of the upper end of the lower rudder body; the periphery of the upper end of the telescopic ring body is connected to the inner side of the periphery of the lower end of the upper rudder body through a sealing assembly; a sealing ring groove is formed in the inner side of the periphery of the lower end of the upper rudder body; the sealing assembly comprises an elastic sealing ring body, a pressing ring piece and a positioning bolt; the periphery of the upper end of the telescopic ring body is provided with a pressing ring piece; an elastic sealing ring body is arranged on the periphery of the inner side of the upper end of the abutting ring piece; the elastic sealing ring body is abutted against the sealing ring groove; the outer sides of the periphery of the abutting ring pieces are fixedly connected to the sealing ring grooves through positioning bolts.
Furthermore, extrusion thread grooves are formed in the periphery of the outer side of the sealing ring groove; through grooves are formed in the outer sides of the periphery of the pressing ring pieces; the upper end of the positioning bolt penetrates through the through groove and then is in threaded connection with the extrusion thread groove, and the lower end of the positioning bolt is pressed against the lower side face of the pressing ring piece.
The utility model has the advantages of
1. The utility model is additionally provided with an external thread floating mechanism, and the sliding block is driven to move up and down in the longitudinal sliding grooves on the two sides of the upper end of the lower rudder body through the rotation of the adjusting screw rod, so that the external thread ring body is driven to float up and down on the periphery of the outer side of the lower rudder body, the whole rotary driving assembly is driven to move up and down, and the purpose of adjusting the whole axial length is achieved.
2. The rudder bearing is separated into an upper rudder body and a lower rudder body, a plurality of guide rods on the periphery of the upper end of the lower rudder body are respectively in sliding insertion connection with a plurality of guide grooves on the periphery of the lower end of the upper rudder body, and the internal thread ring body is driven to rotate on the external thread ring body of the lower rudder body through rotating the driving ring body, so that the abutting ring body and the upper rudder body are driven to move up and down, the axial length of the upper rudder body and the lower rudder body is adjusted, and the whole installation length is changed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged structural view of one side of the present invention.
Fig. 3 is a schematic view of the enlarged structure of a portion a in fig. 2 according to the present invention.
Fig. 4 is an enlarged structural schematic diagram of the external thread floating mechanism of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a double-drive marine rudder bearing structure comprises an upper rudder body 1, a lower rudder body 2, a telescopic ring body 4, a rotary drive assembly 3 and an external thread floating mechanism 6; the upper rudder body 1 and the lower rudder body 2 are both in a circular structure; the upper rudder body 1 is arranged around the upper end of the lower rudder body 2; a plurality of guide grooves 11 are uniformly formed in the periphery of the lower end of the upper rudder body 1; a plurality of guide rods 23 are uniformly arranged on the periphery of the upper end of the lower rudder body 2; a plurality of guide rods 23 around the upper end of the lower rudder body 2 are respectively in sliding insertion connection with a plurality of guide grooves 11 around the lower end of the upper rudder body 1; a telescopic ring body 4 is arranged between the inner sides and the periphery of the upper rudder body 1 and the lower rudder body 2; the external thread floating mechanism 6 comprises an external thread ring body 61, an adjusting screw 63 and a sliding block 62; two longitudinal sliding grooves 21 are respectively formed in the two sides of the upper end of the lower rudder body 2; two sliding blocks 62 are respectively installed at two ends of the inner side of the external thread ring body 61; the sliding block 62 is provided with a screw hole 621; the outer side of the periphery of the upper end of the lower rudder body 2 is sleeved with an external thread ring body 61; the sliding blocks 62 at the two ends of the inner side of the external thread ring body 61 are in up-and-down sliding clamping connection with the longitudinal sliding grooves 21 at the two sides of the upper end of the lower rudder body 2; an adjusting screw 63 is respectively arranged in the longitudinal sliding groove 21; the upper end of the adjusting screw 63 is in threaded connection with the screw hole 621 of the sliding block 62 and then is rotatably clamped in the upper end of the longitudinal sliding groove 21, and the lower end of the adjusting screw 63 extends to the lower outer side of the longitudinal sliding groove 21; the rotary driving component 3 comprises an abutting ring body 31, a transverse clamping rod 33, a driving ring body 32 and an internal thread ring body 34; the abutting ring body 31 is movably arranged on the outer side of the periphery of the lower end of the upper rudder body 1; the outer sides of the periphery of the abutting ring body 31 are provided with annular clamping grooves 311; two sides of the inner part of the upper end of the driving ring body 32 are respectively provided with a transverse clamping and connecting rod 33; the transverse clamping rods 33 on two sides inside the upper end of the driving ring body 32 are rotatably clamped on the annular clamping groove 311 of the abutting ring body 31; an internal thread ring body 34 is arranged around the lower end of the driving ring body 32; the internal thread ring body 34 is in threaded rotary connection with the external thread ring body 21 on the outer side of the periphery of the upper end of the lower rudder body 2.
As shown in fig. 1 to 4, it is further preferred that the rotary drive assembly 3 further comprises an annular baffle 35 and a locking screw 36; the annular baffle 35 is arranged on the outer side of the periphery of the upper rudder body 1; a plurality of through grooves 351 are uniformly formed in the annular baffle 35; a plurality of positioning thread grooves 312 are uniformly formed around the upper end of the abutting ring body 31; the periphery of the upper end of the abutting ring body 31 abuts against the periphery of the lower end of the annular baffle 35; the positioning thread grooves 312 at the upper end of the abutting ring body 31 are respectively arranged in one-to-one correspondence with the penetrating grooves 351 on the annular baffle 35; the lower end of the locking screw 36 passes through the through-connecting groove 351 and then is connected in the positioning thread groove 312 in a threaded manner, and the upper end of the locking screw 36 abuts against the upper side of the annular baffle 35. Furthermore, a limiting ring body 22 is respectively arranged around the upper end and the lower end of the external thread ring body 21. Furthermore, wear-resistant coatings are arranged on the outer sides of the peripheries of the guide rods 23 on the periphery of the upper end of the lower rudder body 2; the wear-resistant coating is a polytetrafluoroethylene coating. Furthermore, the periphery of the lower end of the telescopic ring body 4 is fixedly connected to the inner side of the periphery of the upper end of the lower rudder body 2; the periphery of the upper end of the telescopic ring body 4 is connected to the inner side of the periphery of the lower end of the upper rudder body 1 through a sealing assembly 5; a sealing ring groove 12 is arranged on the inner side of the periphery of the lower end of the upper rudder body 1; the sealing assembly 5 comprises an elastic sealing ring body 51, a pressing ring piece 52 and a positioning bolt 53; the pressing ring pieces 52 are arranged on the periphery of the upper end of the telescopic ring body 4; the periphery of the inner side of the upper end of the pressing ring piece 52 is provided with an elastic sealing ring body 51; the elastic sealing ring body 51 is abutted to the sealing ring groove 12; the outer sides of the periphery of the pressing ring piece 52 are fixedly connected to the sealing ring groove 12 through positioning bolts 53. Furthermore, an extrusion thread groove 13 is arranged around the outer side of the sealing ring groove 12; through grooves 521 are formed in the outer sides of the periphery of the pressing ring piece 52; the upper end of the positioning bolt 53 passes through the through groove 521 and then is screwed into the extrusion thread groove 13, and the lower end of the positioning bolt 53 is pressed against the lower side surface of the pressing ring piece 52.
The utility model is additionally provided with the external thread floating mechanism 6, and the sliding blocks 62 are driven to move up and down in the longitudinal sliding grooves 21 at the two sides of the upper end of the lower rudder body 2 through the rotation of the adjusting screw 63, so that the external thread ring body 61 is driven to float up and down on the periphery of the outer side of the lower rudder body 2, the whole rotary driving assembly 3 is driven to move up and down, and the purpose of adjusting the whole axial length is achieved.
According to the utility model, the rudder carrier is separated into the upper rudder body 1 and the lower rudder body 2, the plurality of guide rods 23 on the periphery of the upper end of the lower rudder body 2 are respectively in sliding insertion connection with the plurality of guide grooves 11 on the periphery of the lower end of the upper rudder body 1, and the internal thread ring body 34 is driven to rotate and move on the external thread ring body 21 of the lower rudder body 2 by rotating the driving ring body 32, so that the abutting ring body 31 and the upper rudder body 1 are driven to move up and down, the axial length of the upper rudder body 1 and the lower rudder body 2 is adjusted, and the whole installation length is changed.
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 utility model, 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.
Claims (6)
1. A double-drive marine rudder carrier structure is characterized by comprising an upper rudder body, a lower rudder body, a telescopic ring body, a rotary drive assembly and an external thread floating mechanism; the upper rudder body and the lower rudder body are both in a circular structure; the upper rudder body is arranged around the upper end of the lower rudder body; a plurality of guide grooves are uniformly formed in the periphery of the lower end of the upper rudder body; a plurality of guide rods are uniformly arranged on the periphery of the upper end of the lower rudder body; a plurality of guide rods around the upper end of the lower rudder body are respectively in sliding insertion connection with a plurality of guide grooves around the lower end of the upper rudder body; a telescopic ring body is arranged between the inner sides and the periphery of the upper rudder body and the lower rudder body; the external thread floating mechanism comprises an external thread ring body, an adjusting screw rod and a sliding block; two longitudinal sliding grooves are respectively formed in the two sides of the upper end of the lower rudder body; two sliding blocks are respectively installed at two ends of the inner side of the external thread ring body; the sliding block is provided with a screw hole; the outer sides of the periphery of the upper end of the lower rudder body are sleeved with an external thread ring body; sliding blocks at two ends of the inner side of the external thread ring body are connected to longitudinal sliding grooves at two sides of the upper end of the lower rudder body in a sliding and clamping mode up and down; an adjusting screw is respectively arranged in the longitudinal sliding grooves; the upper end of the adjusting screw rod is in threaded connection with the screw hole of the sliding block and then is rotationally clamped in the upper end of the longitudinal sliding groove, and the lower end of the adjusting screw rod extends to the lower outer side of the longitudinal sliding groove; the rotary driving assembly comprises an abutting ring body, a transverse clamping rod, a driving ring body and an internal thread ring body; the abutting ring body is movably arranged on the outer side of the periphery of the lower end of the upper rudder body; the outer sides of the periphery of the abutting ring body are provided with annular clamping grooves; two sides of the inner part of the upper end of the driving ring body are respectively provided with a transverse clamping and connecting rod; the transverse clamping connection rods on two sides inside the upper end of the driving ring body are rotatably clamped on the annular clamping grooves of the abutting ring body; the periphery of the lower end of the driving ring body is provided with an internal thread ring body; the internal thread ring body is in threaded rotary connection with the external thread ring body on the outer side of the periphery of the upper end of the lower rudder body.
2. The dual drive rudder bearing structure for ships according to claim 1, wherein the rotary drive assembly further includes an annular baffle and a locking screw; the outer sides of the periphery of the upper rudder body are provided with annular baffles; a plurality of through connecting grooves are uniformly formed in the annular baffle; a plurality of positioning thread grooves are uniformly formed around the upper end of the abutting ring body; the periphery of the upper end of the abutting ring body abuts against the periphery of the lower end of the annular baffle; the positioning thread grooves at the upper end of the abutting ring body are respectively arranged in one-to-one correspondence with the cross-connecting grooves on the annular baffle; the lower end of the locking screw penetrates through the penetrating groove and then is in threaded connection with the positioning thread groove, and the upper end of the locking screw abuts against the upper side of the annular baffle.
3. The double-drive rudder bearing structure for ships according to claim 2, wherein a limiting ring body is respectively provided around the upper and lower ends of the externally threaded ring body.
4. The double drive rudder bearing structure for ships according to claim 1, wherein the outer sides of the peripheries of the plurality of guide rods around the upper end of the lower rudder body are provided with wear-resistant coatings; the wear-resistant coating is a polytetrafluoroethylene coating.
5. The double-drive rudder carrier structure for ships according to claim 1, wherein the periphery of the lower end of the telescopic ring body is fixedly connected to the inner side of the periphery of the upper end of the lower rudder body; the periphery of the upper end of the telescopic ring body is connected to the inner side of the periphery of the lower end of the upper rudder body through a sealing assembly; a sealing ring groove is formed in the inner side of the periphery of the lower end of the upper rudder body; the sealing assembly comprises an elastic sealing ring body, a pressing ring piece and a positioning bolt; the periphery of the upper end of the telescopic ring body is provided with a pressing ring piece; an elastic sealing ring body is arranged on the periphery of the inner side of the upper end of the abutting ring piece; the elastic sealing ring body is abutted against the sealing ring groove; the outer sides of the periphery of the abutting ring pieces are fixedly connected to the sealing ring grooves through positioning bolts.
6. The double-drive rudder bearing structure for ships according to claim 5, wherein an extrusion thread groove is formed around the outside of the seal ring groove; through grooves are formed in the outer sides of the periphery of the pressing ring pieces; the upper end of the positioning bolt penetrates through the through groove and then is in threaded connection with the extrusion thread groove, and the lower end of the positioning bolt is pressed against the lower side face of the pressing ring piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861276.0U CN215475679U (en) | 2021-08-10 | 2021-08-10 | Dual-drive marine rudder bearing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121861276.0U CN215475679U (en) | 2021-08-10 | 2021-08-10 | Dual-drive marine rudder bearing structure |
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| CN215475679U true CN215475679U (en) | 2022-01-11 |
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| CN202121861276.0U Active CN215475679U (en) | 2021-08-10 | 2021-08-10 | Dual-drive marine rudder bearing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114313198A (en) * | 2022-02-18 | 2022-04-12 | 东台市海鹏船舶配件有限公司 | Multi-rod floating positioning type rudder bearing and rudder stock connecting structure |
| CN114506438A (en) * | 2022-02-28 | 2022-05-17 | 东台市海鹏船舶配件有限公司 | Radial and axial double-floating adjusting type rudder stock |
-
2021
- 2021-08-10 CN CN202121861276.0U patent/CN215475679U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114313198A (en) * | 2022-02-18 | 2022-04-12 | 东台市海鹏船舶配件有限公司 | Multi-rod floating positioning type rudder bearing and rudder stock connecting structure |
| CN114313198B (en) * | 2022-02-18 | 2023-03-03 | 东台市海鹏船舶配件有限公司 | Multi-rod floating positioning type rudder bearing and rudder stock connecting structure |
| CN114506438A (en) * | 2022-02-28 | 2022-05-17 | 东台市海鹏船舶配件有限公司 | Radial and axial double-floating adjusting type rudder stock |
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