CN112478090B - Outboard rotary stern shaft equipment - Google Patents
Outboard rotary stern shaft equipment Download PDFInfo
- Publication number
- CN112478090B CN112478090B CN202011393675.9A CN202011393675A CN112478090B CN 112478090 B CN112478090 B CN 112478090B CN 202011393675 A CN202011393675 A CN 202011393675A CN 112478090 B CN112478090 B CN 112478090B
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- roller
- wire rope
- steel wire
- screw shaft
- positioning cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Abstract
The invention relates to a stern shaft rotating device outside a cabin, which is arranged on a stern shaft nut on one side of a propeller and structurally comprises a roller, a positioning cylinder, an end cover, a winch and a steel wire rope, wherein the positioning cylinder is sleeved on the stern shaft nut, the roller is sleeved on the outer side of one end of the positioning cylinder, the end cover is arranged on the roller at the other end of the positioning cylinder, the positioning cylinder is movably arranged between the roller and a cover plate, one end of the steel wire rope is wound on the roller, and the other end of the steel wire rope is connected with the winch. The positioning cylinder is arranged on a screw shaft nut at one end of the propeller through a positioning bolt, so that the roller can rotate relative to the positioning cylinder; the roller and the screw shaft nut are relatively fixed by screwing the transmission bolt into a self-contained round hole on the outer circle of the screw shaft nut; and a steel wire rope wound on the roller groove is pulled by the winch to drive the stern shaft to rotate, so that the sealed runout amount of the stern tube is detected. Convenient operation, installation are firm, rotate respond well, and efficiency is higher.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a stern shaft rotating device outside a cabin.
Background
The power device of the common civil ship comprises a main engine, a middle shaft, a stern shaft tube, a stern tube seal, a propeller and the like. The general ship is built in a slipway or a dock, a stern shaft tube is firstly installed, then a stern shaft, a stern tube seal and a propeller are installed, an intermediate shaft and a main engine are hung in a cabin, and the intermediate shaft and the main engine are preliminarily positioned; before the ship is launched, the stern shaft needs to be rotated to check the jumping amount and the like of the stern sealing sleeve, and the main engine and the intermediate shaft are adjusted and installed after the ship is launched.
However, during some ship construction, the main engine is not supplied before launching, and needs to be hoisted and then positioned after launching, and before launching, the stern shaft also needs to be rotated, the runout amount of the stern tube sealing sleeve is checked, and the like. Because the host computer has not been installed yet, does not have the car turning machine, can't carry out the pivot operation.
The total weight of the stern shaft and the propeller of the large ship can reach more than 100 tons, the stern shaft needs to be rotated by large force, the blades of the propeller are bound by flexible hanging strips outside a cabin by the traditional method, and then the hanging strips are dragged by a large chain block or a winch to rotate the stern shaft to carry out stern tube sealing runout amount inspection to have problems:
1. the hanging belt is tied on the propeller, so that the operation is complex;
2. the inspection of the run-out quantity requires that the screw shaft continuously and uniformly rotates for several circles, and the traditional method can only rotate for about one circle and cannot meet the inspection requirement of the sealing run-out quantity of the screw tube;
3. in the traditional method, after the rotation is carried out once, if the rotation is needed again, the hanging strip needs to be bound again, so that the workload is increased;
4. the problem that the hanging strip is loose easily occurs in the binding of the binding hanging strip, and the safety is lower.
Disclosure of Invention
In order to solve the problem that a main engine cannot rotate a stern shaft before a ship is launched, the invention provides stern shaft rotating equipment outside a cabin, which can meet the requirement of stern tube sealing runout detection on one hand and is simple and quick to operate on the other hand, and the technical purpose of the invention is realized by the following technical scheme:
the utility model provides an outer commentaries on classics stern axle equipment of cabin, it installs and takes the round hole certainly on the excircle of stern axle nut on the stern axle nut of screw one side, its structure includes the cylinder, a location section of thick bamboo, the end cover, the hoist engine, wire rope, the location barrel casing is established and is installed on the stern axle nut, the cylinder casing is established and is installed in the outside of a location section of thick bamboo one end, the end cover is installed on the cylinder of the other one end of a location section of thick bamboo, the activity of a location section of thick bamboo sets up between cylinder and apron, wire rope one end winding is on the cylinder, the hoist engine is connected to the other one end of wire rope.
Furthermore, a location section of thick bamboo includes cylindrical barrel, and the lateral wall of barrel is equipped with two roller framves along circumference, forms the excircle groove between the roller frame, and the roller frame is ring shape, evenly is equipped with a plurality of bayonets on the roller frame.
Furthermore, the roller frame is provided with a roller, the roller comprises cylindrical roller bodies, two ends of each roller body are respectively provided with a cylindrical stay bar, the stay bars at the two ends of the roller are respectively erected in the bayonets of the two roller frames, and the roller bodies are arranged in the outer circular grooves; the roller bodies can roll along the inner side of the roller.
Furthermore, one end of the roller is provided with a roller groove, the circumference of the other end of the roller is provided with a plurality of transmission screw holes, transmission bolts are arranged in the transmission screw holes, one end of each transmission bolt can be inserted into the corresponding circular hole, and the roller can be fixed on the screw nut of the stern by rotating the transmission bolt to be inserted into the corresponding circular hole; the inner side wall of the roller groove is provided with a circular ring-shaped retaining ring, the retaining ring is retained on one side of the roller frame, and the end cover retains the other side of the roller frame to ensure that the positioning cylinder rotates in the roller all the time.
Further, one side of the roller groove is provided with an arc hole, one side of the arc hole is provided with two pressing plates, a steel wire rope pressing groove is formed in each pressing plate, each pressing plate is installed on the outer side wall of the roller groove through a pressing plate bolt, a steel wire rope is wound in each roller groove, and one end of each steel wire rope penetrates through the arc hole and is clamped between the steel wire rope pressing grooves of the two pressing plates to be fixed.
Furthermore, a positioning bolt is arranged on the cylinder body, the positioning bolt is screwed on the cylinder body on one side of the roller frame, and the positioning cylinder is installed and fixed on the excircle of the stern shaft nut through the positioning bolt.
The invention has the advantages that the positioning cylinder is arranged on the screw shaft nut at one end of the propeller through the positioning bolt, the roller is sleeved on the positioning cylinder, the positioning cylinder is arranged between the end cover and the roller through the end cover, and the roller is arranged on the positioning cylinder so that the roller can rotate relative to the positioning cylinder; and a steel wire rope wound on the roller groove is pulled by the winch to drive the stern shaft to rotate, so that the sealed runout amount of the stern tube is detected. On the one hand, install the roller seat in the outer one end in stern shaft cabin comparatively convenient, firm, on the other hand, through the cooperation of a location section of thick bamboo and cylinder, can rotate the cylinder relative positioning section of thick bamboo and twine wire rope on the cylinder groove, convenient operation is swift, can realize the fixed of the relative stern shaft nut of cylinder through drive bolt, and it is respond well to rotate, and efficiency is higher.
Drawings
Fig. 1 is a schematic view of the bottom nacelle outer turning stern shaft apparatus of the present invention in use.
FIG. 2 is a schematic view of the positioning cylinder and roller mounting of the present invention.
Fig. 3 is a view a-a of fig. 2.
Fig. 4 is a front view of the drum in the present invention.
Fig. 5 is a view a-a of fig. 4.
Fig. 6 is a front view of the positioning cartridge of the present invention.
Fig. 7 is a view a-a of fig. 6.
Fig. 8 is a schematic view of the structure of the roller in the present invention.
Fig. 9 is a schematic view of the structure of the pressure plate in the present invention.
Fig. 10 is an enlarged view at B in fig. 3.
In the figure, 1, a stern shaft; 2. a screw shaft nut; 3. a propeller; 100. a drum; 110. an inner bore; 120. a baffle ring; 140. a circular arc hole; 150. a press plate screw hole; 170. end cap screw holes; 180. a roller groove; 190. a process circular hole; 200. a positioning cylinder; 210. an outer circular groove; 220. a bayonet; 230. a roller frame; 240. a barrel; 300. an end cap; 310. a circular hole; 400. pressing a plate; 410. pressing a groove by using a steel wire rope; 420. a circular hole; 500. a roller; 510. a roller body; 520. a stay bar; 600. a winch; 610. a wire rope; 700. a drive bolt; 710. positioning the bolt; 720. an end cap bolt; 730. and (5) a pressure plate bolt.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
an outboard stern shaft turning device, as shown in fig. 1-10, comprises a roller 100, a positioning cylinder 200, an end cover 300, a winch 600 and a steel wire rope 610, wherein the positioning cylinder 200 comprises a cylindrical cylinder 240, a positioning bolt 710 is screwed on the cylinder 240, and the positioning bolt 710 can abut against the excircle of a stern shaft nut 2 by screwing the positioning bolt 710, so that the positioning cylinder 200 is installed at one outboard end of the stern shaft 1; the outer side wall of the cylinder 240 is circumferentially provided with two roller frames 230, an outer circular groove 210 is formed between the roller frames 230, the roller frames 230 are circular, the roller frames 230 are uniformly provided with a plurality of bayonets 220, the bayonets 220 are semicircular, rollers 500 are installed in the bayonets 220, each roller 500 comprises a cylindrical roller body 510, two ends of each roller body 510 are respectively provided with a cylindrical support rod 520, the support rods 520 at two ends of each roller body 510 are respectively erected in the bayonets 220 on the two roller frames 230, the roller bodies 510 are arranged in the outer circular groove 210, the roller bodies 510 can freely rotate in the outer circular groove 210, and the roller bodies 510 can roll along the inner holes 110 of the rollers 100.
The roller 100 is sleeved on the outer side of one end of the positioning cylinder 200, a roller groove 180 is arranged at one end of the roller 100, a plurality of transmission screw holes are arranged at the circumference of the other end of the roller 100, transmission bolts 700 are arranged in the transmission screw holes, and one ends of the transmission bolts 700 can be inserted into the round holes; the inner side wall of the roller groove 180 is provided with a circular ring-shaped baffle ring 120, the baffle ring 120 is arranged on one side of the roller frame 230, the end cover 300 is arranged on the other side of the roller frame 230, the end cover 300 is a circular ring-shaped end cover, the diameter of the inner ring of the end cover 300 is larger than that of the roller body 240, the end cover 300 is arranged on the roller 100 by penetrating through the circular hole 310 and the end cover screw hole 170 on the end cover through the end cover bolt 720, and the positioning cylinder 200 is ensured to be always positioned in the roller 100. One side of cylinder groove 180 is equipped with circular arc hole 140, one side of circular arc hole 140 is equipped with two clamp plates 400, be equipped with wire rope indent 410 on one clamp plate 400, round hole 420, be equipped with wire rope indent 410 and clamp plate screw 150 on another clamp plate 400, clamp plate 400 passes round hole 420 spiro union in clamp plate screw 150 through clamp plate bolt 730, clamp plate 400 welded fastening that is equipped with clamp plate screw 150 is on the lateral wall of cylinder groove 180, the winding has wire rope 610 in the cylinder groove 180, wire rope 610's one end is passed circular arc hole 140 and is pressed from both sides fixedly between wire rope indent 410 of two clamp plates 400.
When the positioning device is used, the positioning cylinder 200 is installed in the roller 100, the end cover 300 is installed on the roller 100, the positioning cylinder 200 is installed on the stern shaft nut 2 on one side of the propeller 3 through the positioning bolts 710, the positioning bolts 710 are arranged on the cylinder bodies 240 on two sides of the two roller frames 230, the positioning bolts 710 are hexagon socket head screws, in order to facilitate screwing of the positioning bolts 710, the roller on the corresponding position of the positioning bolt on one side is provided with the process round hole 190, and a hexagon socket head wrench can be inserted into the process round hole 190 to screw the positioning bolts; the positioning bolt 710 is screwed to squeeze the outer circle of the stern shaft nut 2, then one end of a steel wire rope 610 penetrates through the arc hole 140 and is clamped between the steel wire rope press grooves 410 of the two press plates 400 to be fixed, the transmission bolt 700 is rotated to move the transmission bolt 700 out of the round hole in the stern shaft nut 2, the roller 100 is rotated relative to the positioning cylinder 200, the steel wire rope 610 is wound in the roller groove, the other end of the steel wire rope 610 is connected with the winch 600, the transmission bolt 700 is rotatably inserted into the round hole in the stern shaft nut 2, the roller 100 is fixed at one end of the stern shaft 1, the roller 100 cannot rotate relative to the positioning cylinder 200, the winch 600 is started to pull the steel wire rope 610 to pull the stern shaft 1 to rotate, and the stern tube sealing jump amount detection is carried out.
If the stern shaft 1 needs to be rotated again, the transmission bolt 700 is only required to be moved out of the round hole in the stern shaft nut 2, the steel wire rope 610 on the winch 600 is loosened, the steel wire rope 610 is wound in the roller groove 180 again, then the transmission bolt 700 is rotatably inserted into the round hole in the stern shaft nut 2, and the winch 600 is started to pull the steel wire rope 610.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (1)
1. The device is characterized by comprising a roller, a positioning cylinder, an end cover, a winch and a steel wire rope, wherein the positioning cylinder is sleeved on the screw nut of the screw shaft; the positioning cylinder comprises a cylindrical cylinder body, two roller frames are arranged on the outer side wall of the cylinder body along the circumferential direction, an outer circular groove is formed between the roller frames, the roller frames are annular, and a plurality of bayonets are uniformly arranged on the roller frames; the roller frames are provided with rollers, the rollers comprise cylindrical roller bodies, two ends of each roller body are respectively provided with a cylindrical support rod, the support rods at the two ends of each roller are respectively erected in bayonets of the two roller frames, and the roller bodies are arranged in the outer circular grooves; the roller body can roll along the inner side of the roller; one end of the roller is provided with a roller groove, the circumference of the other end of the roller is provided with a plurality of transmission screw holes, transmission bolts are arranged in the transmission screw holes, and one ends of the transmission bolts can be inserted into the round holes of the screw shaft nuts; the inner side wall of the roller groove is provided with an annular retaining ring which is retained on one side of the roller frame; an arc hole is formed in one side of the roller groove, two pressing plates are arranged on one side of the arc hole, a steel wire rope pressing groove is formed in each pressing plate, each pressing plate is installed on the outer side wall of the roller groove through a pressing plate bolt, a steel wire rope is wound in each roller groove, and one end of each steel wire rope penetrates through the arc hole and is clamped between the steel wire rope pressing grooves of the two pressing plates to be fixed; the barrel is also provided with a positioning bolt which is screwed on the barrel on one side of the roller frame; installing a positioning cylinder in the roller and installing an end cover on the roller, installing the positioning cylinder on a screw shaft nut on one side of the propeller through positioning bolts, and arranging the positioning bolts on the cylinder bodies on two sides of the two roller frames; screwing a positioning bolt to squeeze the outer circle of a screw shaft nut, then enabling one end of a steel wire rope to penetrate through an arc hole and be clamped between steel wire rope press grooves of two pressing plates for fixing, rotating a transmission bolt to move the transmission bolt out of the circular hole in the screw shaft nut, rotating a roller relative to a positioning cylinder to enable the steel wire rope to be wound in the roller groove, connecting the other end of the steel wire rope with a winch, rotating the transmission bolt to be inserted into the circular hole in the screw shaft nut, fixing the roller at one end of a screw shaft to enable the roller not to rotate relative to the positioning cylinder, starting the winch to pull the steel wire rope to pull the screw shaft to rotate, and detecting the sealing runout amount of the screw pipe; and if the screw shaft needs to be rotated again, the transmission bolt is moved out of the round hole in the screw shaft nut, the steel wire rope on the winch is loosened, the steel wire rope is wound in the roller groove again, then the transmission bolt is rotatably inserted into the round hole in the screw shaft nut, and the winch is started to pull the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393675.9A CN112478090B (en) | 2020-12-02 | 2020-12-02 | Outboard rotary stern shaft equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393675.9A CN112478090B (en) | 2020-12-02 | 2020-12-02 | Outboard rotary stern shaft equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112478090A CN112478090A (en) | 2021-03-12 |
| CN112478090B true CN112478090B (en) | 2022-04-05 |
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ID=74938886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011393675.9A Active CN112478090B (en) | 2020-12-02 | 2020-12-02 | Outboard rotary stern shaft equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112478090B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815370A (en) * | 2012-09-04 | 2012-12-12 | 中船桂江造船有限公司 | One-step centering ship shafting mounting method |
| CN104215177A (en) * | 2014-09-22 | 2014-12-17 | 无锡尤斯威科石油钻具有限公司 | Long axis type work piece radial circle bouncing value detection device |
| CN105692423A (en) * | 2016-04-11 | 2016-06-22 | 浙江新乐造船有限公司 | Hoisting tool for hydraulic nuts of screw shafts |
| CN106945810A (en) * | 2017-02-23 | 2017-07-14 | 杭州钱航船舶修造有限公司 | A kind of aligning thrust shaft device and its analysis method |
| CN107478140A (en) * | 2017-09-26 | 2017-12-15 | 上海沪东三造船舶配套有限公司 | A kind of machining and testing method for ensureing stern tube and its bearing and running well |
| CN207113754U (en) * | 2017-07-28 | 2018-03-16 | 安徽皖南电机股份有限公司 | Motor shaft centre bore radial pulsation measurement frock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013008967B4 (en) * | 2013-05-22 | 2017-01-26 | Skf Blohm + Voss Industries Gmbh | Device for sealing a propeller shaft and method for producing such a device |
-
2020
- 2020-12-02 CN CN202011393675.9A patent/CN112478090B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815370A (en) * | 2012-09-04 | 2012-12-12 | 中船桂江造船有限公司 | One-step centering ship shafting mounting method |
| CN104215177A (en) * | 2014-09-22 | 2014-12-17 | 无锡尤斯威科石油钻具有限公司 | Long axis type work piece radial circle bouncing value detection device |
| CN105692423A (en) * | 2016-04-11 | 2016-06-22 | 浙江新乐造船有限公司 | Hoisting tool for hydraulic nuts of screw shafts |
| CN106945810A (en) * | 2017-02-23 | 2017-07-14 | 杭州钱航船舶修造有限公司 | A kind of aligning thrust shaft device and its analysis method |
| CN207113754U (en) * | 2017-07-28 | 2018-03-16 | 安徽皖南电机股份有限公司 | Motor shaft centre bore radial pulsation measurement frock |
| CN107478140A (en) * | 2017-09-26 | 2017-12-15 | 上海沪东三造船舶配套有限公司 | A kind of machining and testing method for ensureing stern tube and its bearing and running well |
Non-Patent Citations (2)
| Title |
|---|
| 某船MF型艉轴管端面密封装置漏水原因分析和维修;费立学;《中国修船》;20130201;第26卷(第1期);第6-9页 * |
| 船舶推进轴系的安装校中;王沛俊;《现代制造技术与装备》;20190515(第270期);第169-170页 * |
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| CN112478090A (en) | 2021-03-12 |
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