CN116101450A - Propeller installation method and construction system - Google Patents
Propeller installation method and construction system Download PDFInfo
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- CN116101450A CN116101450A CN202310262505.4A CN202310262505A CN116101450A CN 116101450 A CN116101450 A CN 116101450A CN 202310262505 A CN202310262505 A CN 202310262505A CN 116101450 A CN116101450 A CN 116101450A
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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
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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
- B63B73/30—Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
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- Ocean & Marine Engineering (AREA)
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Abstract
The application provides a propeller installation method and a construction system, comprising the following steps: s1: selecting an auxiliary tool; s2: fixing the auxiliary to the modular cart; s3: lifting and hovering the propeller, adjusting the loading angle of the auxiliary tool until the connecting line between two loading brackets of the auxiliary tool and the center line of the lifted propeller hub are positioned on the same vertical plane, and lowering the propeller onto the two loading brackets; s4: rotating the propeller disk surface to be in the same direction as the auxiliary tool in the length direction; s5: the module vehicle carries a propeller to drive to a stern, and the loading angle is adjusted to enable a propeller shaft and a shafting center line to be positioned on the same vertical plane; s6: the height of each loading bracket is respectively adjusted to enable the propeller to incline; s7: the loading ledges are moved forward and the propeller is mounted in place. The installation method can replace the existing rail transportation mode, achieves multi-angle multi-direction transportation, reduces rail laying, enables the propeller to pass through a narrow space through direction adjustment, and is more flexible to operate.
Description
Technical Field
The application belongs to the technical field of ships, and particularly relates to a propeller installation method and a construction system.
Background
The installation of the propeller which is an important part of the power output of the ship is very important, so that the size and the weight of the propeller are increased along with the continuous increase of the volume of the water displacement of the ship at present, and the installation of the propeller is not less troublesome. During the installation process, the difficulty is how to transport the propeller precisely to the installation location. Firstly, the weight of the propeller is large, the shape is irregular, the hoisting difficulty is high, secondly, the installation position of the propeller is arranged at the rear end face of a rear tail shaft bracket or a tail pipe, a crane cannot vertically adjust the installation position of the propeller, and a tool for assembly is needed to carry out transportation before the propeller is installed and pumped
Most shipyards now use tail mounted platforms to mount the propeller in a manner that safely mounts the propeller in place, but this mounting also exposes its appearance as new ships are continually compressed during construction and construction periods:
firstly, the tail mounting platform has large volume and high weight, is inconvenient to transfer, and because the tail mounting platform runs on the track in a travelling mode, a great deal of manpower and time are required for paving the track and reversing and shifting the track;
secondly, in order to prevent floating ice from damaging the propeller, some ships running in cold areas are provided with ice blades below tail pipes, and at the moment, a huge tail installation platform cannot convey the propeller to an installation position and cannot be installed;
finally, along with the increase of the water displacement of the ship, the tail is heavier and heavier, more tail supports are needed to be erected at the tail of the ship body, the installation environment is narrower at the moment, after the installation is finished, the tail installation platform does not have enough space to exit, and only can be retracted transversely, so that the process is more complicated.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies in the prior art.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present application is to provide a propeller installation method and a construction system, which are used for solving the problems of heavy installation preparation work of a propeller, time and effort consumption in an installation process, difficulty in installation in a narrow space, and the like in the prior art.
To achieve the above and other related objects, the present application provides a propeller installation method including the steps of:
s1: selecting an auxiliary tool corresponding to the type of the propeller;
s2: hoisting and fixedly mounting the auxiliary tool on a module car;
s3: lifting and hovering a propeller, wherein the module vehicle runs below the propeller, the loading angle of the auxiliary tool is adjusted until a connecting line between two loading brackets of the auxiliary tool and the center line of a hub of the lifted propeller are positioned on the same vertical plane, the propeller is lowered onto the two loading brackets, and the lifting appliance is removed;
s4: adjusting the loading angle of the auxiliary tool, and rotating the propeller disc surface to be in the same direction as the auxiliary tool in the length direction;
s5: the module vehicle carries a propeller and runs to a stern, the central line of the module vehicle and the central line of a shafting are positioned on the same vertical plane, and the loading angle of the auxiliary tool is adjusted in the running process so that the propeller shaft and the central line of the shafting are positioned on the same vertical plane;
s6: the height of each loading bracket is respectively adjusted to enable the propeller to incline, and the horizontal direction of the auxiliary tool is adjusted to enable the propeller shaft to coincide with the extension line of the shaft system central line;
s7: and synchronously driving the two loading brackets to move forward, and installing the propeller in place.
In one embodiment, the propeller installation method further includes:
s8: the heights of the two loading brackets are adjusted to be separated from the propeller hub, the highest point of the two loading brackets is lower than the lowest point of the rear stern shaft frame, and the loading bracket close to the rear stern shaft frame is overturned to the side of the ship to be lower than the lowest point of the propeller blade; the module car is retracted to run, and the auxiliary tool is taken away from the installation area.
In one embodiment, step S3 further comprises:
before the propeller is lowered, the gear opening distance of the two loading brackets of the auxiliary tool is adjusted to be consistent with the length of the propeller hub.
In one embodiment, step S3 further comprises:
when the propeller is lowered, before the propeller hubs contact the loading ledges, the height of the loading ledges is adjusted to meet the propeller hubs until the propeller hubs contact and sit on both loading ledges.
In one embodiment, step S5 further comprises:
when the travel direction of the module vehicle interferes with the rudder horn of the stern, before the module vehicle runs along the axial direction until the propeller blade interferes with the rudder horn, the loading angle of the auxiliary tool is adjusted to enable the propeller blade to avoid the rudder horn, and finally the propeller blade is turned 90 degrees to enable the propeller shaft and the center line of the shafting to be located on the same vertical plane.
In one embodiment, step S7 further comprises:
after the propeller is installed in place, the preassembled nuts on the auxiliary tool are installed on the propeller shaft, the propeller is locked, and the propeller is installed.
The application also provides a construction system of screw installation, including auxiliary fixtures, module car, hoist and control system, wherein:
the auxiliary tool is used for carrying a propeller and is assembled on the module vehicle;
the lifting appliance is used for lifting and erecting the propeller on the auxiliary tool;
the control system is connected with the auxiliary tool and the module car, and executes action instructions of the auxiliary tool and the module car through external control.
In one embodiment, the auxiliary tool further comprises:
a base support;
the rotating mechanism is arranged on the basic support and can rotate relative to the basic support;
the loading bracket comprises a front paddle bracket and a rear paddle bracket which are oppositely arranged above the rotating mechanism, and the front paddle bracket and the rear paddle bracket displace above the rotating mechanism along a first direction through a guide mechanism;
the support mechanism is arranged at the tops of the front propeller bracket and the rear propeller bracket and comprises a lifting mechanism, a longitudinal moving mechanism and a support bracket, and the support bracket is used for supporting a propeller erected between the front propeller bracket and the rear propeller bracket; the lifting mechanism is arranged on the front bracket and the rear bracket of the paddle and is positioned below the support bracket so as to drive the support bracket to move along a third direction; the longitudinal moving mechanism is arranged between the lifting mechanism and the support bracket and drives the support bracket to move along a second direction.
In one embodiment, a turning mechanism is arranged on the front bracket and is used for controlling the turning stroke of the front bracket, and when the front bracket turns to be lower than the lowest point of the propeller blade, the module vehicle can withdraw from the installation area.
Compared with the prior art, the technical scheme provided by the application has the following beneficial effects:
1. according to the screw installation method, an existing rail transportation mode can be replaced, the tool is fixed on an auxiliary installation vehicle, multi-angle multi-direction transportation can be achieved, rail laying construction is reduced, manual pulling and reversing are not needed during installation, the rotating mechanism can achieve in-situ rotation of the screw, the screw shaft can be conveniently adjusted to an angle to align to an installation position, the lifting mechanism can adjust the screw to an installation height, and the longitudinal moving mechanism can further finely adjust the distance between the screw and an actual installation position, so that the screw is smoothly installed.
2. In the screw installation of this application, bracket and oar back bracket can relative movement before the oar are applicable to the screw centre gripping work of different models and dimension specification, and stable anti-tilting just is convenient for adjust, the suitability is wider.
3. According to the installation method, the propeller is longitudinally fed, the propeller can enter a narrow space through adjusting the direction to install the propeller, after the installation is completed, the loading bracket can be overturned to achieve longitudinal withdrawal, the operation is more flexible, and the applicability is stronger.
Drawings
FIG. 1 is a flow chart of a method of installing a propeller of the present application;
FIG. 2 is a schematic view of a propeller in a lifted in-place condition;
FIG. 3 is a schematic view showing a state where a propeller passes through a rudder horn;
FIG. 4 is a schematic diagram of a rotating process of the rotating mechanism driving the propeller;
FIG. 5 is a schematic view of a propeller aligned installation state;
FIG. 6 is a schematic view of a propeller in place;
FIG. 7 is a schematic diagram of an installation tool structure used in the method of the present application;
fig. 8 is a schematic view of a structure of a front bracket.
Reference numerals illustrate:
1. a base support;
2. a rotation mechanism;
3. a guide mechanism;
4. a paddle front bracket; 401. a bracket pin;
5. a rear bracket; 501. a suspension arm;
6. a lifting mechanism;
7. a longitudinal movement mechanism;
8. a support bracket;
9. a turnover mechanism; 901. a third cylinder; 902. a connecting arm; 903. rotating the connecting plate; 904. a central axis.
Detailed Description
Other advantages and principles of the present application will become apparent to those skilled in the art from the following disclosure, which is to be read in light of the specific embodiments described herein. The present application may be embodied or carried out in other specific embodiments, and the details of the present application may be modified or changed from various points of view and applications without departing from the spirit of the present application.
It should be noted that, referring to fig. 1 to 8, the illustrations provided in the present embodiment merely illustrate the basic concepts of the present application by way of illustration, and only the components related to the present application are shown in the drawings, rather than being drawn according to the number, shape and size of the components in actual implementation, and the types, numbers and proportions of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Example 1
The embodiment of the application discloses a propeller installation method, referring to fig. 1, the propeller installation method comprises the following steps:
s1: selecting an auxiliary tool corresponding to the type of the propeller;
firstly, selecting an auxiliary tool which is most matched with a propeller to be installed according to the model specification difference of the propeller, greatly reducing the angle and displacement which need to be regulated in the later installation process, and providing two auxiliary tools for installing the propeller with the most common models, wherein the size of the bottom frame of the first basic support 1 is 5 mm 3.8m, and the integral weight of the tool is 60t; the bottom frame size of the foundation support 1 of the second type is 7m.7m.5.3m, the whole weight of the tool is 86t, 3-5 bolts are respectively arranged on the longer frame of the foundation support 1 and used for being fixedly connected with a module car, and a plurality of lifting lugs which are arranged at intervals with the bolts are also arranged on the frame and used for hanging the auxiliary tool on the module car.
S2: hoisting and fixedly mounting the auxiliary tool on a module vehicle;
the concrete process is, pass the lug with the steel wire of hoist, use the crane to lift by crane auxiliary fixtures and steadily place on the module car, bolt and the module car both sides on the basic support 1 are connected, fix auxiliary fixtures and module car as an organic whole structure, dispose the electrical system that can drive or control frock on the frame of basic support 1, or set up the electron and control the platform, follow-up accessible operating personnel remote control signal control hydraulic system drives the frock and makes corresponding action, accomplishes screw installation.
S3: lifting and hovering the screw propeller, driving the module vehicle to the lower part of the screw propeller, adjusting the loading angle of the auxiliary tool until a connecting line between two loading brackets of the auxiliary tool and the center line of a hub of the lifted screw propeller are positioned on the same vertical plane, lowering the screw propeller to the two loading brackets, and unloading the lifting appliance;
the specific process is that a crane is used for lifting and hovering a propeller, a module vehicle runs below the propeller, the loading angle of an auxiliary tool is adjusted until a connecting line between two loading brackets of the auxiliary tool and the central line of a lifted propeller hub are positioned on the same vertical plane, before the propeller is lowered, the gear opening distance of the two loading brackets of the auxiliary tool is adjusted to be consistent with the length of the propeller hub, the propeller hub is ensured to be in effective contact with the two loading brackets, then the propeller is lowered, the height of the loading brackets is adjusted to be raised to cater for the propeller hub until the propeller hub is in contact with and sits on the two loading brackets, and the figure 2 is seen; at the moment, the lifting appliance of the propeller can be manually assisted by an operator to be detached, and then the height of the loading bracket is slowly lowered to be within the theoretical installation height error range.
S4: adjusting the loading angle of the auxiliary tool, and rotating the propeller disc surface to be in the same direction as the auxiliary tool in the length direction;
in step S3, in order to make the propeller smoothly erect on the loading bracket, the angle of the loading bracket is adjusted to a certain extent, and when the propeller is erected, the angle is required to be corrected, even if the disc surface of the propeller rotates to be in the same direction as the auxiliary tool in the length direction, the whole width of the auxiliary tool is reduced as much as possible, so that the auxiliary tool can more flexibly pass through a narrow installation space and avoid obstacles encountered in the advancing process.
S5: referring to fig. 3, the module vehicle carries a propeller and runs to a stern, the central line of the module vehicle and the central line of a shafting are positioned on the same vertical plane, and the loading angle of the auxiliary tool is adjusted in the running process so that the propeller shaft and the central line of the shafting are positioned on the same vertical plane;
the specific process is that the module vehicle carrying the screw propeller runs to the stern, at the moment, the center line of the module vehicle and the center line of the shafting are positioned on the same vertical plane, namely, the screw propeller shaft and the center line of the installation hole form a vertical angle, for part of ships, the rudder horn of the stern can interfere with the travel direction of the module vehicle to block the travel of the module vehicle, so before the module vehicle runs to the screw propeller blade along the axial direction to interfere with the rudder horn, the running of the module vehicle is kept unchanged, the loading angle of the auxiliary tool is adjusted, the screw propeller blade avoids the rudder horn, and finally the screw propeller blade turns to 90 degrees when the module vehicle passes over the rudder horn, at the moment, the screw propeller shaft and the center line of the shafting are positioned on the same vertical plane, and the alignment installation of the next step is convenient.
S6: referring to fig. 5, the heights of the loading brackets are respectively adjusted to incline the propeller, and the horizontal direction of the auxiliary tool is adjusted to enable the propeller shaft to coincide with the extension line of the center line of the shaft system;
the specific process is that one side of the loading bracket, which is close to the stern, is provided with a front propeller bracket 4, one side of the loading bracket, which is far away from the stern, is provided with a rear propeller bracket 5, the front propeller bracket 4 is slowly lifted to enable a propeller hub at one side of the loading bracket to be lifted by a certain angle, and meanwhile, the relative distance between the front propeller bracket 4 and the rear propeller bracket 5 is adjusted to control the propeller hub of the propeller to be stably located on the loading bracket, so that the accident that the propeller falls due to the fact that the erection distance is increased due to the rising of the front propeller bracket 4 is prevented; the loading bracket comprises a longitudinal moving mechanism 7 which can adjust the longitudinal position of the propeller, and the longitudinal moving mechanism 7 is controlled to enable the propeller shaft to coincide with the extension line of the center line of the shaft system, so that preparation is made for aligning and inserting the propeller shaft.
S7: referring to fig. 6, the two loading brackets are synchronously driven to move forward, the screw is installed in place, and after the screw is installed in place, a pre-assembled nut on the auxiliary tool is installed on the screw shaft, and the screw is locked to complete the installation of the screw.
The specific process is, after selecting the auxiliary fixture of the corresponding model in step S1, the auxiliary fixture can be pre-equipped with fittings such as nuts, etc., and the fittings are hung on the suspension arm 501 of the bracket behind the propeller, after the propeller shaft is sleeved in place, the suspension arm 501 moves the fittings to the operation area, after the nuts are installed, pumping is performed, and finally the formal nuts and the armcap are installed, and the propeller is locked.
S8: the heights of the two loading brackets are adjusted to separate from the propeller hub, the highest point of the two loading brackets is lower than the lowest point of the rear stern shaft bracket, and the loading bracket close to the rear stern shaft bracket is overturned to the side of the ship to be lower than the lowest point of the propeller blade; the module car is retracted to run, and the auxiliary tool is taken away from the installation area.
The specific process is that the top supporting plates of the two loading brackets are controlled to descend to a certain height, due to the size limitation of the loading brackets, when the supporting plates descend to the lowest position, the front propeller bracket 4 still cannot withdraw directly, interference with the propeller blades can be generated, but the installation work of the propeller in a narrow installation area is insufficient, a module vehicle can transversely move and then reverse and withdraw, the front propeller bracket 4 can only be driven to withdraw from the installation area by a narrow passage in the original way, the front propeller bracket 4 is required to be driven to overturn towards the penetrating side until the highest point is lower than the lowest point of the propeller blades, the module vehicle withdraws from the installation area, the auxiliary tool is taken away, and the installation of the propeller and the recovery work of the auxiliary tool are completed.
Example 2
The present embodiment provides a construction system for installing a propeller, for convenience of description, a coordinate system is defined as shown in fig. 7, and an x-axis is parallel to a guide rail of a guide mechanism 3, and is defined as a first direction; the y-axis is parallel to the longitudinal movement mechanism 7 and is defined as a second direction; the z-axis is defined as the third direction, and the direction along the z-axis is the up-down direction.
Referring to fig. 7 and 8, the propeller installation and construction system includes an auxiliary tool, a module car, a hanger and a control system, wherein:
the auxiliary tool is used for carrying the propeller and is assembled on the module vehicle;
the lifting appliance is used for lifting and erecting the propeller on the auxiliary tool;
the control system is connected with the auxiliary tool and the module vehicle, and executes action instructions of the auxiliary tool and the module vehicle through external control.
In one embodiment, the auxiliary tool specifically includes:
the base support 1 is used for fixing the tool on other installation bases and loading a rotating mechanism 2, a guide mechanism 3, a front paddle bracket 4, a rear paddle bracket 5, a lifting mechanism 6, a longitudinal moving mechanism 7 and a supporting bracket 8 which are arranged above the tool;
the rotating mechanism 2 is arranged on the base support 1 and can rotate on the base support 1 around the center of a circle thereof in an xy plane so as to adjust the installation direction of the propeller;
the loading bracket comprises a front bracket 4 and a rear bracket 5 which are oppositely arranged above the rotating mechanism 2, wherein the propeller is arranged between the front bracket 4 and the rear bracket 5, in particular to a support bracket 8 arranged at the top of the front bracket 4 and the rear bracket 5, and the support bracket 8 is in direct contact with the propeller to provide a supporting function for the propeller. The forward and aft brackets 4, 5 are relatively displaced or co-displaced in a first, x-direction above the rotation mechanism 2 by the guiding mechanism 3. The propeller loading device has the advantages that the propeller loading device can be suitable for loading propellers with different hub specifications by changing the distance between the front propeller bracket 4 and the rear propeller bracket 5, so that the propellers are more stably erected between the front propeller bracket 4 and the rear propeller bracket 5, and the adaptability of the installation tool is stronger; in addition, the front bracket 4 and the rear bracket 5 of the propeller can also be synchronously adjusted in the same direction, so that the x-position of the propeller is accurately positioned and finely adjusted, and the installation accuracy is ensured.
The support mechanism is arranged at the top of the front propeller bracket 4 and the rear propeller bracket 5 and comprises a lifting mechanism 6, a longitudinal moving mechanism 7 and a support bracket 8, and the support bracket 8 is used for bearing a propeller erected between the front propeller bracket 4 and the rear propeller bracket 5; the lifting mechanism 6 is arranged on the front propeller bracket 4 and the rear propeller bracket 5 and is positioned below the support bracket 8 to drive the support bracket 8 to move up and down along a third direction, namely the z-axis direction, so as to transport the propeller to a proper installation height; the vertical movement mechanism 7 is disposed between the lifting mechanism 6 and the support bracket 8, and drives the support bracket 8 to move left and right along a second direction, that is, a y-axis, so as to adjust the position of the propeller in the horizontal direction.
In one embodiment, a tilting mechanism 9 is provided on the front pitch bracket 4 for controlling the tilting stroke of the front pitch bracket 4, and when the front pitch bracket 4 is tilted to a position below the lowest point of the propeller blades, the module car can be retracted back out of the installation area.
Specifically, the paddle front tray 4 includes: a bracket front base movably connected with the guide mechanism 3, wherein a bracket front support is arranged on the bracket front base, and two sides of the bracket front support are provided with an operation front platform; the post-oar bracket 5 is the same structure as the pre-oar bracket 4 and is arranged oppositely, and comprises: the device comprises a bracket rear base, a bracket rear support and an operation rear platform.
The front bracket 4 is provided with a turnover mechanism 9 for controlling the turnover travel of the bracket front support on the bracket front base. The bracket front support is rotatably connected to the bracket front base through a central shaft 904, and the turnover mechanism 9 specifically includes: the rotating connection plate 903 movably connected to the central shaft 904, one free end of the rotating connection plate 903 is movably connected to the bracket front support, the other free end of the rotating connection plate 903 is movably connected to the bracket front base through the connection arm 902, the connection arm 902 is driven to reciprocate by the third oil cylinder 901 arranged on the bracket front base, and the bracket pin 401 for locking the turnover mechanism 9 is further arranged on the front bracket 4.
The overturning mode of the bracket front support is as follows: firstly, remove bracket pin 401, drive the linking arm 902 forward by third hydro-cylinder 901, promote rotatory connecting plate 903 and rotate around the axle, in order to save occupation of space, rotatory connecting plate 903 is set for the longer arm of force motion of use shorter arm of force drive upset, in this application bracket front support when overturns, the screw has been detached from the frock and installed and accomplished, so bracket front support is in empty state, therefore third hydro-cylinder 901 has sufficient driving force can realize its upset process, when the highest point of bracket 4 is less than the lowest point of screw before the oar, the frock can not produce stroke interference damage paddle of withdrawing this moment.
In summary, the application provides a propeller installation method, which can replace the existing rail transportation mode, fix the tool on an auxiliary installation vehicle, realize multi-angle multi-direction transportation, reduce rail laying construction, and do not need manpower to pull and change direction during installation, the rotating mechanism can realize in-situ rotation of the propeller, so that the angle of the propeller shaft is convenient to adjust to align to the installation position, the lifting mechanism can adjust the propeller to the installation height, and the longitudinal moving mechanism can further finely adjust the distance between the propeller and the actual installation position, so that the propeller is smoothly installed; according to the installation method, the propeller is longitudinally fed, the propeller can enter a narrow space through adjusting the direction to install the propeller, after the installation is completed, the loading bracket can be overturned to achieve longitudinal withdrawal, the operation is more flexible, and the applicability is stronger. Therefore, the method effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles of the present application and their effectiveness, and are not intended to limit the application. Modifications and variations may be made to the above-described embodiments by those of ordinary skill in the art without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications and variations which may be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the disclosure be covered by the claims of this application.
Claims (9)
1. A propeller installation method, characterized in that the propeller installation method comprises the steps of:
s1: selecting an auxiliary tool corresponding to the type of the propeller;
s2: hoisting and fixedly mounting the auxiliary tool on a module car;
s3: lifting and hovering a propeller, wherein the module vehicle runs below the propeller, the loading angle of the auxiliary tool is adjusted until a connecting line between two loading brackets of the auxiliary tool and the center line of a hub of the lifted propeller are positioned on the same vertical plane, the propeller is lowered onto the two loading brackets, and the lifting appliance is removed;
s4: adjusting the loading angle of the auxiliary tool, and rotating the propeller disc surface to be in the same direction as the auxiliary tool in the length direction;
s5: the module vehicle carries a propeller and runs to a stern, the central line of the module vehicle and the central line of a shafting are positioned on the same vertical plane, and the loading angle of the auxiliary tool is adjusted in the running process so that the propeller shaft and the central line of the shafting are positioned on the same vertical plane;
s6: the height of each loading bracket is respectively adjusted to enable the propeller to incline, and the horizontal direction of the auxiliary tool is adjusted to enable the propeller shaft to coincide with the extension line of the shaft system central line;
s7: and synchronously driving the two loading brackets to move forward, and installing the propeller in place.
2. The propeller installation method according to claim 1, further comprising:
s8: the heights of the two loading brackets are adjusted to be separated from the propeller hub, the highest point of the two loading brackets is lower than the lowest point of the rear stern shaft frame, and the loading bracket close to the rear stern shaft frame is overturned to the side of the ship to be lower than the lowest point of the propeller blade; the module car is retracted to run, and the auxiliary tool is taken away from the installation area.
3. The propeller installation method according to claim 1, wherein step S3 further comprises:
before the propeller is lowered, the gear opening distance of the two loading brackets of the auxiliary tool is adjusted to be consistent with the length of the propeller hub.
4. The propeller installation method according to claim 1, wherein step S3 further comprises:
when the propeller is lowered, before the propeller hubs contact the loading ledges, the height of the loading ledges is adjusted to meet the propeller hubs until the propeller hubs contact and sit on both loading ledges.
5. The propeller installation method of claim 1, wherein step S5 further comprises:
when the travel direction of the module vehicle interferes with the rudder horn of the stern, before the module vehicle runs along the axial direction until the propeller blade interferes with the rudder horn, the loading angle of the auxiliary tool is adjusted to enable the propeller blade to avoid the rudder horn, and finally the propeller blade is turned 90 degrees to enable the propeller shaft and the center line of the shafting to be located on the same vertical plane.
6. The propeller installation method according to claim 1, wherein step S7 further includes:
after the propeller is installed in place, the preassembled nuts on the auxiliary tool are installed on the propeller shaft, the propeller is locked, and the propeller is installed.
7. The utility model provides a construction system of screw installation, its characterized in that includes auxiliary fixtures, module car, hoist and control system, wherein:
the auxiliary tool is used for carrying a propeller and is assembled on the module vehicle;
the lifting appliance is used for lifting and erecting the propeller on the auxiliary tool;
the control system is connected with the auxiliary tool and the module car, and executes action instructions of the auxiliary tool and the module car through external control.
8. The construction system according to claim 7, wherein the auxiliary tool further comprises:
a base support;
the rotating mechanism is arranged on the basic support and can rotate relative to the basic support;
the loading bracket comprises a front paddle bracket and a rear paddle bracket which are oppositely arranged above the rotating mechanism, and the front paddle bracket and the rear paddle bracket displace above the rotating mechanism along a first direction through a guide mechanism;
the support mechanism is arranged at the tops of the front propeller bracket and the rear propeller bracket and comprises a lifting mechanism, a longitudinal moving mechanism and a support bracket, and the support bracket is used for supporting a propeller erected between the front propeller bracket and the rear propeller bracket; the lifting mechanism is arranged on the front bracket and the rear bracket of the paddle and is positioned below the support bracket so as to drive the support bracket to move along a third direction; the longitudinal moving mechanism is arranged between the lifting mechanism and the support bracket and drives the support bracket to move along a second direction.
9. The construction system according to claim 8, wherein the front bracket is provided with a tilting mechanism for controlling a tilting stroke of the front bracket, and the module vehicle is capable of being withdrawn from the installation area when the front bracket is tilted to a position lower than a lowest point of the propeller blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310262505.4A CN116101450A (en) | 2023-03-16 | 2023-03-16 | Propeller installation method and construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310262505.4A CN116101450A (en) | 2023-03-16 | 2023-03-16 | Propeller installation method and construction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116101450A true CN116101450A (en) | 2023-05-12 |
Family
ID=86267440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310262505.4A Pending CN116101450A (en) | 2023-03-16 | 2023-03-16 | Propeller installation method and construction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024148835A1 (en) * | 2023-01-12 | 2024-07-18 | 上海中船临港船舶装备有限公司 | Paddle tool turnover mechanism, size setting method and device thereof, and usage method thereof |
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- 2023-03-16 CN CN202310262505.4A patent/CN116101450A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024148835A1 (en) * | 2023-01-12 | 2024-07-18 | 上海中船临港船舶装备有限公司 | Paddle tool turnover mechanism, size setting method and device thereof, and usage method thereof |
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