CN110920827A - Method for plugging shafting propeller shaft connected by hydraulic coupling into stern tube outboard - Google Patents
Method for plugging shafting propeller shaft connected by hydraulic coupling into stern tube outboard Download PDFInfo
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- CN110920827A CN110920827A CN201911120719.8A CN201911120719A CN110920827A CN 110920827 A CN110920827 A CN 110920827A CN 201911120719 A CN201911120719 A CN 201911120719A CN 110920827 A CN110920827 A CN 110920827A
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Abstract
The invention discloses a method for plugging a shafting propeller shaft connected by a hydraulic coupling into a stern tube outboard, which is characterized in that two hydraulic lifting trucks are arranged on a temporarily arranged rail support frame, a temporary support trolley is arranged in a rear stern tube, and the hydraulic lifting trucks and the temporary support trolley are matched for hauling the propeller shaft, so that the working procedures of manually adjusting and pushing the propeller shaft to advance are reduced, the problems that the propeller shaft is plugged into the nacelle shaft from the nacelle shaft in the prior art, the operation difficulty is high, the safety coefficient is low, the construction efficiency is low, and the construction of the integrity of the nacelle is influenced are solved, the operation safety, the convenience and the working efficiency of the installation work of the propeller shaft are greatly improved, the integrity of the construction of the nacelle is ensured, and the working period is greatly shortened.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for plugging a shafting paddle shaft connected by a hydraulic coupling into a stern tube outside a ship.
Background
The conventional process for plugging a light propeller shaft of a ship into a stern tube at present is to preset lifting points in a shaft assembly of a cabin, prepare tools such as a hoist and a hanging strip, lift the propeller shaft into the cabin, move the propeller shaft from a bow to the stern tube step by step through the receiving and transporting among the lifting points, and finally move the propeller shaft to a theoretical position. The method has the following difficulties and disadvantages:
firstly, when the propeller shaft gradually moves to the stern tube in the shaft of the engine room, a large number of outfitting parts are arranged on the way, so that the operation tasks of dismantling the outfitting parts in advance and recovering the outfitting parts after completion are increased, the development of subsequent operation is influenced, redundant operation and working hours are increased, the construction period is prolonged, and the construction cost is increased.
Secondly, the shaft clearance of the engine room is narrow and long, which is not beneficial to the application of automation and mechanical tools, and the operation can only be carried out by a method of presetting hoisting codes and hoisting point receiving and transporting, and the method has larger safety risk, fussy operation and low efficiency.
Thirdly, when the supply of the propeller shaft is delayed, the method causes corresponding delay of partial operation of the engine room and the shaft in the area, and the construction integrity of the engine room is seriously influenced.
Disclosure of Invention
In view of the above, the present invention provides a method for plugging a hydraulic coupling connected shafting propeller shaft into a stern tube outboard, which forms an independent operation state of plugging the propeller shaft into the stern tube, ensures the construction integrity of a cabin, reduces the operation strength, improves the operation efficiency, and shortens the operation period.
A method for plugging a shafting paddle shaft connected with a hydraulic coupling into a stern tube outboard specifically comprises the following steps:
s1, the paddle shaft is hung on the first hydraulic lift truck and the second hydraulic lift truck, and the first hydraulic lift truck and the second hydraulic lift truck carry the paddle shaft to move towards the bow direction;
s2, when the second hydraulic lift truck moves to the stern end face of the shaft bracket bearing, starting the first temporary supporting trolley and unloading the second hydraulic lift truck at the same time, so that the first hydraulic lift truck and the first temporary supporting trolley carry the propeller shaft together to move continuously towards the ship bow direction;
and S3, when the first temporary supporting trolley moves to the stern end face of the first bearing, starting the second temporary supporting trolley and unloading the first temporary supporting trolley at the same time, so that the first hydraulic lifting car and the second temporary supporting trolley cooperate with a hanging strip in the coupling cabin to move the paddle shaft to a target position.
Preferably, in step S2, when the second hydraulic lift car moves to the stern end face of the pedestal bearing, the first temporary support trolley is started, and the second hydraulic lift car is unloaded at the same time, and the specific steps of the first hydraulic lift car and the first temporary support trolley carrying the propeller shaft to continue moving in the direction of the bow are as follows:
the first hydraulic lift truck and the second hydraulic lift truck jointly carry the propeller shaft to move towards the bow direction, when the extension bar at the bow end of the propeller shaft penetrates through the shaft bracket bearing and enters the rear stern tube, the first temporary support trolley which is fixed on the extension bar in advance is placed in the rear stern tube, and after the first temporary support trolley is placed, the propeller shaft continues to move towards the bow direction under the carrying of the first hydraulic lift truck and the second hydraulic lift truck;
when the second hydraulic lifting vehicle moves to the stern end face of the shaft bracket bearing, the first temporary support trolley is adjusted to bear the propeller shaft, and the second hydraulic lifting vehicle is unloaded at the same time;
then, the first hydraulic lift truck and the first temporary support trolley carry the propeller shaft together to move continuously towards the direction of the ship bow.
Preferably, the first hydraulic lift truck and the second hydraulic lift truck are both electric hydraulic lift trucks.
Preferably, the extension bar comprises a front section bar and a rear section bar connected with the front section bar, a hanging ring is fixed at the front end of the front section bar, a first connecting flange is fixed at the stern end, a second connecting flange is fixed at the bow end of the rear section bar, a fixing flange is fixed at the stern end, the fixing flange is connected with the bow end of the propeller shaft, a vertical rib plate and a transverse rib plate are fixed on the outer side wall of the rear section bar, and a guide pulley is installed on the transverse rib plate.
Preferably, the vertical rib plates comprise a first vertical rib plate and a second vertical rib plate, the first vertical rib plate is respectively fixed at the top and the bottom of the rear section rod and arranged along the axial center line of the rear section rod, the second vertical rib plate is vertically fixed on two side surfaces of the first vertical rib plate, and through holes are formed in the first vertical rib plate and the second vertical rib plate.
Preferably, in step S3, when the first temporary support cart moves to the stern end surface of the first bearing, the second temporary support cart is started, and the first temporary support cart is unloaded at the same time, so that the first hydraulic lift truck and the second temporary support cart cooperate with the suspension belt in the coupling cabin to move the paddle shaft to the target position, specifically, the steps of:
when the first temporary supporting trolley moves to the stern end face of the first bearing, the second temporary supporting trolley is adjusted to bear the propeller shaft extension rod, the first temporary supporting trolley is unloaded, and the first hydraulic lift truck and the second temporary supporting trolley jointly carry the propeller shaft to move continuously towards the bow direction;
when the second temporary support trolley moves to the bow end face of the first bearing, fixing the hanging strip in the coupling cabin and the extension bar at the bow end of the stern shaft, unloading the second temporary support trolley, and enabling the first hydraulic lift truck to continuously move towards the bow direction in cooperation with the hanging strip carrying paddle shaft in the coupling cabin;
when the front section rod of the extension rod is close to the coupling joint, the unloaded second temporary support trolley is moved to the first bearing stern end to lift up the propeller shaft, meanwhile, the tension of the hanging strip in the coupling cabin is removed, and then the front section rod of the extension rod is detached;
after the front section rod of the extension rod is removed, fixing the sling in the coupling cabin with the rear section rod of the extension rod, and enabling the second temporary support trolley and the first hydraulic lift truck to be matched with the sling carrying paddle shaft in the coupling cabin to move continuously towards the bow direction;
when the rear section rod of the extension rod is close to the coupling joint, the second temporary support trolley is unloaded and moved to the stern end of the first bearing to lift the propeller shaft, meanwhile, the tension of the hanging belt in the coupling cabin is unloaded, and then the rear section rod of the extension rod is dismantled;
after the rear section rod of the extension rod is removed, the first hydraulic lifting car and the second temporary supporting trolley move the propeller shaft to a target position together.
The invention has the beneficial effects that:
1. according to the invention, the two hydraulic lifting trucks are arranged on the temporarily arranged track supporting frame, the temporary supporting trolleys are respectively arranged on the rear stern tube and the extension rod, and the hydraulic lifting trucks and the temporary supporting trolleys are matched with the delivery paddle shaft, so that the operation procedures of manually adjusting and pushing the paddle shaft to advance are reduced, the problems of high operation difficulty, low safety coefficient, low construction efficiency and influence on the integrity construction of the paddle shaft when the paddle shaft is inserted into the engine room shaft in the prior art are solved, the operation safety, convenience and operation efficiency of the paddle shaft installation work are greatly improved, the integrity of the engine room construction is ensured, and the operation period is greatly shortened.
2. The extension bar is arranged at the fore end of the propeller shaft, so that the first temporary support trolley can be arranged on the extension bar in advance. After the paddle shaft enters the coupling cabin, the steel wire rope connected with the lifting point in the coupling cabin is lifted in time, so that the balance of upward tension on two sides of the center of gravity of the paddle shaft can be ensured, and safety accidents are avoided.
3. The guide sleeve is arranged on the paddle shaft to provide a guide effect for the paddle shaft to enter and penetrate through the stern tube lining, so that the paddle shaft sleeve is ensured to smoothly enter the stern tube lining, and the collision damage of the paddle shaft sleeve and the stern tube lining is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the preparation stage before the shaft enters the stern tube.
Fig. 2 is a schematic view of the stage of the propeller shaft through the pedestal bearing and into the aft stern tube.
Figure 3 is a schematic view of the stage of the shaft of the propeller passing through the first bearing and entering the coupling compartment.
Fig. 4 is a schematic view of the front section bar with the extension bar removed.
Fig. 5 is a schematic view of the rear section bar with the extension bar removed.
Figure 6 is a schematic view of the movement of the paddle shaft to the theoretical position.
Fig. 7 is a longitudinal sectional view of the extension bar.
Fig. 8 is a sectional view taken along line a-a in fig. 7.
FIG. 9 is a top view of a transverse web.
Fig. 10 is a sectional view taken along line B-B in fig. 9.
Fig. 11 is a schematic view of the structure of the guide sleeve.
The reference numerals in the figures have the meaning:
1 is the oar axle, 2 is first hydraulic lift truck, 3 is second hydraulic lift truck, 4 is the pedestal bearing, 5 is first interim support dolly, 6 is first bearing, 7 is the interim support dolly of second, 8 is the coupling cabin, 9 is the extension bar, 10 is the back stern tube, 11 is the anterior segment pole, 12 is the back end pole, 13 is rings, 14 is first flange, 15 is the second flange, 16 is mounting flange, 17 is horizontal gusset, 18 is the leading pulley, 19 is first vertical gusset, 20 is the vertical gusset of second, 21 is the track support frame, 22 is the second bearing, 23 is the front bearing.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance unless explicitly stated or limited otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment of the invention provides a method for plugging a shafting paddle shaft connected by a hydraulic coupling into a stern tube outboard.
The stem of the paddle shaft 1 is provided with an extension bar 9, and the shaft sleeve area of the paddle shaft 1 is provided with a guide sleeve.
The extension rod 9 comprises a front section rod 11 and a rear section rod 12 connected with the front section rod 11, a hanging ring 13 is fixed at the front end of the front section rod 11, a first connecting flange 14 is fixed at the stern end, a second connecting flange 15 is fixed at the bow end of the rear section rod 12, a fixing flange 16 is fixed at the stern end, the fixing flange 16 is connected with the bow end of the propeller shaft 1, a vertical rib plate and a transverse rib plate 17 are fixed on the outer side wall of the rear section rod 12, and a guide pulley 18 is installed on the transverse rib plate 17.
The vertical rib plates comprise a first vertical rib plate 19 and a second vertical rib plate 20, the first vertical rib plate 19 is respectively fixed at the top and the bottom of the rear section rod 12 and is arranged along the axial center line of the rear section rod 12, the second vertical rib plate 20 is vertically fixed on two side surfaces of the first vertical rib plate 19, and through holes are formed in the first vertical rib plate 19, the second vertical rib plate 20 and the transverse rib plate 17.
The guide sleeve is made of aluminum alloy materials and formed by assembling two semicircular annular hoop bodies in a involution mode, and the outer diameter of the guide sleeve is 1mm smaller than the inner diameter of a lining of the stern tube. The guide sleeve is sleeved on the paddle shaft, so that the shaft sleeve of the paddle shaft 1 and the bushing of the stern tube are aligned in advance before the paddle shaft 1 enters the bushing of the stern tube, and the smooth and error-free passing of the shaft sleeve of the paddle shaft 1 through the bushing of the stern tube is ensured.
Before the propeller shaft 1 is inserted into the stern tube, the following work needs to be prepared in advance:
1. placing a first hydraulic lift truck 2 and a second hydraulic lift truck 3 on a temporarily arranged rail support frame 21, wherein the first hydraulic lift truck 2 and the second hydraulic lift truck 3 are arranged on two sides of the center of gravity of a stern shaft, the first hydraulic lift truck 2 is placed at a position close to the stern end of a propeller shaft 1, and the second hydraulic lift truck 3 is placed at a position close to the center of gravity of the propeller shaft 1;
2. installing a guide sleeve and an extension rod on the propeller shaft 1, hanging a first temporary support trolley 5 on the extension rod 9 in advance through a steel wire rope after the guide sleeve and the extension rod 9 are installed in place, wherein one end of the steel wire rope is fixed on the first temporary support trolley 5, and the other end of the steel wire rope passes through a through hole of a transverse rib plate 17 after passing through a sliding chute of a guide pulley 18; the worker can take up and pay off the steel wire rope, and can hang the first temporary supporting trolley 5 on the extension bar 9 or place the first temporary supporting trolley in the rear stern tube 10;
3. a second temporary supporting trolley 7 is preset in the first bearing 6, and the second temporary supporting trolley 7 can also be preset in place in advance in the operation process (before the second temporary supporting trolley 7 is used in the process of plugging the propeller shaft 1 into the stern tube);
4. and hoisting rings are arranged on the coupling cabin, and hoists, hanging strips and other lifting tools are arranged on the hoisting rings.
After the preparation before operation is completed, the propeller shaft can be inserted into the stern tube from the outside of the ship.
The method for plugging the shafting paddle shaft connected with the hydraulic coupling into the stern tube outboard specifically comprises the following steps:
and S1, the propeller shaft 1 is hung on the first hydraulic lift truck 2 and the second hydraulic lift truck 3, and the first hydraulic lift truck 2 and the second hydraulic lift truck 3 carry the propeller shaft 1 to move towards the ship bow direction together.
In this embodiment, the first hydraulic lift truck 2 and the second hydraulic lift truck 3 are both electric hydraulic lift trucks.
And S2, when the second hydraulic lifting vehicle 2 moves to the stern end face of the shaft bracket bearing 4, starting the first temporary supporting trolley 5 and unloading the second hydraulic lifting vehicle 3 at the same time, so that the first hydraulic lifting vehicle 2 and the first temporary supporting trolley 5 carry the propeller shaft 1 together to move continuously towards the bow direction.
Specifically, the first hydraulic lift truck 2 and the second hydraulic lift truck 3 jointly carry the propeller shaft 1 to move towards the ship bow direction, when the extension bar 9 at the propeller shaft bow end penetrates through the shaft bracket bearing 4 and enters the rear stern tube 10, the first temporary support trolley 5 which is fixed on the extension bar 9 in advance is placed in the rear stern tube 10 (namely, a steel wire rope is loosened to enable the first temporary support trolley 5 to be located in the rear stern tube 10), and after the first temporary support trolley 5 is placed, the propeller shaft 1 continues to move towards the ship bow direction under the carrying of the first hydraulic lift truck 2 and the second hydraulic lift truck 3;
when the second hydraulic lifting vehicle 3 moves to the stern end face of the shaft bracket bearing 4, the first temporary support trolley 5 is adjusted to bear the paddle shaft 1, and the second hydraulic lifting vehicle 3 is unloaded at the same time;
then, the first hydraulic lift truck 2 and the first temporary support trolley 5 together carry the propeller shaft 1 to move continuously towards the ship bow direction.
And S3, when the first temporary supporting trolley 5 moves to the stern end face of the first bearing 6, starting the second temporary supporting trolley 7 and unloading the first temporary supporting trolley 5 at the same time, so that the first hydraulic lifting car 2 and the second temporary supporting trolley 7 cooperate with a hanging strip in the coupling cabin 8 to move the paddle shaft 1 to a target position together.
Specifically, when the first temporary supporting trolley 5 moves to the stern end face of the first bearing 6, the second temporary supporting trolley 7 is adjusted to bear the propeller shaft extension rod 9, meanwhile, the first temporary supporting trolley 5 is unloaded (namely, a steel wire rope is tightened, the first temporary supporting trolley 5 is withdrawn and hung on the extension rod 9 through the guide pulley 18), and the first hydraulic lifting car 2 and the second temporary supporting trolley 7 jointly carry the propeller shaft 1 to continue to move towards the bow direction;
when the second temporary supporting trolley 7 moves to the bow end face of the first bearing 6, fixing the hanging strip in the coupling cabin 8 with the extension bar 9 at the bow end of the propeller shaft, unloading the second temporary supporting trolley 7, and enabling the first hydraulic lift truck 2 to be matched with the hanging strip in the coupling cabin 8 to carry the propeller shaft 1 to move continuously towards the bow direction;
when the front section rod 11 of the extension rod is close to the coupling joint, the unloaded second temporary support trolley 7 is moved to the first bearing 6 to lift the propeller shaft 1 at the stern end, meanwhile, the tension of a hanging strip in the coupling cabin 8 is unloaded, and then the front section rod 11 of the extension rod is dismantled;
after the front section rod 11 of the extension rod is removed, the sling in the coupling cabin 8 is fixed with the rear section rod 12 of the extension rod, and the second temporary support trolley 7 and the first hydraulic lift truck 2 are matched with the sling carrying paddle shaft 1 in the coupling cabin 8 to move continuously towards the ship bow direction;
when the rear section rod 12 of the extension rod is close to the coupling joint, the second temporary support trolley 7 is unloaded and moved to the stern end of the first bearing 6 to lift the propeller shaft 1, meanwhile, the tension of the hanging belt in the coupling cabin 8 is unloaded, and then the rear section rod 12 of the extension rod is dismantled;
after the rear section rod 12 of the extension rod is removed, the first hydraulic lift truck 2 and the second temporary support trolley 7 carry the paddle shaft 1 together, so that the paddle shaft 1 moves to a target position.
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 made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A method for plugging a shafting paddle shaft connected with a hydraulic coupling into a stern tube outboard is characterized by comprising the following steps:
s1, the propeller shaft (1) is hung on the first hydraulic lifting vehicle (2) and the second hydraulic lifting vehicle (3), and the first hydraulic lifting vehicle (2) and the second hydraulic lifting vehicle (3) carry the propeller shaft (1) to move towards the ship bow direction;
s2, when the second hydraulic lifting vehicle (3) moves to the stern end face of the shaft bracket bearing (4), starting the first temporary supporting trolley (5) and unloading the second hydraulic lifting vehicle (3) at the same time, so that the first hydraulic lifting vehicle (2) and the first temporary supporting trolley (5) carry the propeller shaft (1) together to continue moving towards the ship bow direction;
s3, when the first temporary supporting trolley (5) moves to the stern end face of the first bearing (6), the second temporary supporting trolley (7) is started, the first temporary supporting trolley (5) is unloaded at the same time, and the first hydraulic lifting trolley (2) and the second temporary supporting trolley (7) are matched with a hanging strip in the coupling cabin (8) to move the paddle shaft (1) to the target position together.
2. The method for outboard stern tube plugging of a shafting propeller shaft connected by a hydraulic coupling according to claim 1, wherein said step S2 is executed by starting the first temporary support cart (5) and unloading the second hydraulic lift cart (3) when the second hydraulic lift cart (3) moves to the stern end of the shaft bracket bearing (4), and the specific steps of the first hydraulic lift cart (2) and the first temporary support cart (5) carrying the propeller shaft (1) to move continuously in the fore direction are executed by:
the first hydraulic lift truck (2) and the second hydraulic lift truck (3) carry the propeller shaft (1) to move towards the ship bow direction together, when the extension bar (9) at the bow end of the propeller shaft (1) penetrates through the shaft bracket bearing (4) and enters the rear stern tube (10), the first temporary support trolley (5) fixed on the extension bar (9) in advance is placed in the rear stern tube (10), and after the first temporary support trolley (5) is placed, the propeller shaft continues to move towards the ship bow direction under the carrying of the first hydraulic lift truck (2) and the second hydraulic lift truck (3);
when the second hydraulic lifting vehicle (3) moves to the stern end face of the shaft bracket bearing (4), adjusting the first temporary supporting trolley (5) to bear the propeller shaft (1), and unloading the second hydraulic lifting vehicle (3) at the same time;
then, the first hydraulic lift truck (2) and the first temporary support trolley (5) carry the propeller shaft (1) together to move continuously towards the ship bow direction.
3. The method for outboard stern tube plugging of a hydraulically coupled shafting propeller shaft as in claim 1 or 2, wherein said first hydraulic lift truck (2) and said second hydraulic lift truck (3) are both electrically powered hydraulic lift trucks.
4. The method for outboard stuffing of stern tube of shafting paddle shaft connected by hydraulic coupling according to claim 2, wherein said extension bar (9) comprises a front section bar (11) and a rear section bar (12) connected with the front section bar, the fore end of said front section bar (11) is fixed with a hanging ring (13), the aft end is fixed with a first connecting flange (14), the fore end of said rear section bar (12) is fixed with a second connecting flange (15), the aft end is fixed with a fixing flange (16), the fixing flange (16) is connected with the fore end of the paddle shaft (1), the outer side wall of said rear section bar (12) is fixed with vertical rib plate and horizontal rib plate (17), the horizontal rib plate (17) is installed with a guide pulley (18).
5. The method for plugging the shafting propeller shaft into the stern tube outside the ship, which is connected by the hydraulic coupling, according to claim 4, wherein the vertical rib plates comprise a first vertical rib plate (19) and a second vertical rib plate (20), the first vertical rib plate (19) is respectively fixed at the top and the bottom of the back section rod (12) and is arranged along the axial center line of the back section rod (12), the second vertical rib plate (20) is vertically fixed on two side surfaces of the first vertical rib plate (19), and through holes are respectively formed in the first vertical rib plate (19), the second vertical rib plate (20) and the transverse rib plate (17).
6. The method for outboard plugging of stern tube of hydraulic coupling connected shafting propeller shaft according to claim 4, wherein when the first temporary support trolley (5) is moved to the stern end of the first bearing (6) in step S3, the specific steps of activating the second temporary support trolley (7) and simultaneously unloading the first temporary support trolley (5) to make the first hydraulic lift truck (2) and the second temporary support trolley (7) cooperate with the strap in the coupling cabin (8) to move the propeller shaft (1) to the target position are as follows:
when the first temporary supporting trolley (5) moves to the stern end face of the first bearing (6), the second temporary supporting trolley (7) is adjusted to bear the propeller shaft extension bar, the first temporary supporting trolley (5) is unloaded at the same time, and the first hydraulic lifting trolley (2) and the second temporary supporting trolley (7) jointly carry the propeller shaft (1) to move continuously towards the direction of the ship bow;
when the second temporary supporting trolley (7) moves to the head end face of the first bearing (6), the hanging strips in the coupling cabin (8) are fixed with the extension bar (9) at the head end of the stern shaft, the second temporary supporting trolley (7) is unloaded, and the first hydraulic lift truck (2) is matched with the hanging strips in the coupling cabin (8) to carry the paddle shaft (1) to move towards the bow direction continuously;
when the front section rod (11) of the extension rod is close to the coupling, the unloaded second temporary support trolley (7) is moved to the stern end of the first bearing (6) to lift the propeller shaft, meanwhile, the tension of a hanging strip in the coupling cabin (8) is removed, and then the front section rod (11) of the extension rod is detached;
after the front section rod (11) of the extension rod is removed, the sling in the coupling cabin (8) is fixed with the rear section rod (12) of the extension rod, and the second temporary support trolley (7) and the first hydraulic lift truck (2) are matched with the sling carrying paddle shaft (1) in the coupling cabin (8) to continuously move towards the bow direction;
when the rear section rod (12) of the extension rod is close to the coupling joint, the second temporary support trolley (7) is unloaded and moved to the stern end of the first bearing (6) to lift up the propeller shaft, meanwhile, the tension of a hanging strip in the coupling cabin (8) is unloaded, and the rear section rod (12) of the extension rod is disassembled;
after the rear section rod (12) of the extension rod is removed, the first hydraulic lifting car (2) and the second temporary supporting trolley (7) jointly move the propeller shaft (1) to a target position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120719.8A CN110920827A (en) | 2019-11-15 | 2019-11-15 | Method for plugging shafting propeller shaft connected by hydraulic coupling into stern tube outboard |
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| CN201911120719.8A CN110920827A (en) | 2019-11-15 | 2019-11-15 | Method for plugging shafting propeller shaft connected by hydraulic coupling into stern tube outboard |
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| SU691341A1 (en) * | 1978-02-24 | 1979-10-15 | Предприятие П/Я В-2598 | Arrangement for inserting propeller shafts |
| SU1640009A1 (en) * | 1988-11-09 | 1991-04-07 | Центральное Проектно-Конструкторское И Технологическое Бюро Всесоюзного Рыбопромышленного Объединения Северного Бассейна "Севрыба" | Device for mounting and dismantling propeller shafts with propellers |
| CN1490216A (en) * | 2003-07-30 | 2004-04-21 | 沪东中华造船(集团)有限公司 | Method for mounting ship stern shaft |
| CN201179956Y (en) * | 2008-04-14 | 2009-01-14 | 江苏新扬子造船有限公司 | Installation apparatus for large-scale screw shaft and stern tube |
| KR101356337B1 (en) * | 2012-08-23 | 2014-01-28 | 주식회사 현대미포조선 | Pushing device of ship propeller |
| CN104118530A (en) * | 2014-07-22 | 2014-10-29 | 江苏新扬子造船有限公司 | Tail shaft mounting method |
| CN105966549A (en) * | 2016-06-29 | 2016-09-28 | 广船国际有限公司 | Tail shaft mounting device for ships |
| CN106143796A (en) * | 2016-06-29 | 2016-11-23 | 广船国际有限公司 | A kind of installation method of screw shaft of ship |
| CN106218811A (en) * | 2016-07-27 | 2016-12-14 | 广船国际有限公司 | A kind of ship stern tube shaft wears axle method |
| CN109591958A (en) * | 2018-10-31 | 2019-04-09 | 沪东中华造船(集团)有限公司 | One kind being used for ship tail portion into the pinpoint method of axis trolley track |
| CN109606537A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of method of long axis system marine rear shaft hole into axis |
| CN110254617A (en) * | 2019-06-27 | 2019-09-20 | 中船黄埔文冲船舶有限公司 | A kind of long stern pipe of monoblock type into axis tooling and into axis method |
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