KR100455859B1 - Car for assembling ship propeller - Google Patents

Abstract

The present invention relates to a truck propeller assembly bogie. The ship propeller assembly bogie according to the present invention includes a bogie body having a plurality of wheels, a lower frame installed on an upper portion of the bogie body, and two support pillars fixedly installed on an upper portion of the lower frame and spaced apart by a propeller width. It is composed. Each of the support pillars includes a lower pillar having a hollow formed therein, a plurality of pedestals placed in the hollow of the lower pillars, and an upper pole inserted in the hollow of the lower pillars and placed at the top of the pedestal, and a lower pillar of the support pillars installed at the rear end of the propeller. At the bottom of the inner pedestal is provided with a cylinder for vertical adjustment. In addition, the upper pillar of the support pillar installed in the propeller front position is provided with a hub support plate for supporting the propeller front, the propeller support cylinder is provided in the upper pillar of the support pillar installed at the rear end of the propeller. Both sides of the lower frame are provided with a pair of cylinders for forward and backward adjustment and eccentricity adjustment, and at least one of the input and output ports is provided with a hydraulic control valve. In addition, the wheel of the bogie body is provided with a wheel lifting cylinder, the lower end of the lower frame is connected to the movement bracket.

The ship propeller assembly bogie according to the present invention configured as described above can easily adjust the vertical gap between the inner diameter of the tapered boss and the shaft, and the bogie can be moved across the rail to move the propeller. have.

Description

Cart for ship propeller assembly {CAR FOR ASSEMBLING SHIP PROPELLER}

The present invention relates to a bogie used for installing a propeller of a ship, and more particularly, to a ship propeller assembly bogie capable of safely performing propeller installation work as well as improving productivity by semi-automating manual work.

In general, when the ship is built, the propeller is assembled to the driving shaft of the rear end of the ship, which is made by assembling the propeller and the shaft while securing a working space, and assembling to the drawing dimensions by pushing the assembled propeller and shaft from the stern to the bow.

As such, in order to install the propeller at the rear of the ship, the propeller must be moved a certain distance from the manufacturing or storage position to the assembly position and then lifted to the same height as the shaft located at the rear of the ship. However, the propeller of the ship was very large in size and weight, which made it difficult to carry and lift.

Conventionally, in order to install a propeller of a ship on the rear aft shaft of the ship, the propeller is bundled with a rope and a chain block, and then transported using various cranes and the like to lift to the working position.

Korean Patent No. 104,908, filed December 23, 1992, and registered on September 17, 1996, discloses a bogie for installing ladders and propellers of a ship, which is illustrated in FIGS. Four corners of the bottom of the 102 are provided with moving wheels 103 to move along the moving rails (L) installed on the ground (g), and the hydraulic cylinder for adjusting the upper and lower heights of the lower frame 102 above the moving wheels. 104 is installed. In addition, the upper and lower ladder frame support ladders 105, 105 'is installed on the upper side of the lower frame 102, one side of the ladder support pedestal 105 of the left and right sliding hydraulic cylinder 104 "is connected to the installation do.

At the top of the support pedestals 105 and 105 ', propeller hub support pieces 106 and 106' having round portions are fixed to the guide bars 107 and 107 'so as to be operated up and down, and are connected to the hydraulic cylinder 104 ". At the upper portion of the ladder support pedestals 105 and 105 ', a supporting hydraulic cylinder (not shown) for supporting the left and right sides of the ladder (not shown) is installed. However, such a configuration uses upper and lower and front and rear cylinders. Therefore, when the shaft is installed in the boss of the propeller, there is a lack of means for fine adjustment of the boss and the shaft, there was a problem that fine adjustment is difficult at the time of the boss and shaft coupling.

In addition, Korean Utility Model No. 96-4060, filed on July 11, 1994 and published on February 14, 1996, under the name of “Bottle Propeller Installation Bogie”, uses a truck as shown in FIGS. 3 and 4. When installing the propeller hull, the propeller can be installed on the hull quickly and easily without using chain block or winch at all, and the body thickness of the propeller can be reduced because there is no need to process the female screw for coupling the eye bolt to the propeller. In addition, the propeller and the hull propeller shaft and the hull of the propeller shaft and the bore to prevent damage and to prevent the danger of the operator.

A base 214 installed in the trolley and movable by the cylinders 215 and 215a, guide shafts 213 and 213a for guiding movement of the base 214, and posts 216 and 216a formed on both sides of the lower base 212. ) And the support plate 218 and the support plate 218 and the fixing plate 218a installed in the support plate 218 and the support 216a installed on the support posts 216 and 216a and moved forward and backward by the cylinder 217. It is composed of a plurality of support pins (219, 219a) formed in the seat to seat the propeller 220. However, this configuration is supported by the propeller is supported by the support plate and the fixed plate forward and backward by the cylinder, The propeller is moved back and forth by the operation, so that the shaft is coupled to the boss of the propeller, but since the support plate only moves back and forth by the cylinder, it is usually a tapered boss There is a problem in that it is difficult to adjust the left and right and top and bottom clearance between the inner diameter part and the shaft. In addition, in the conventional ship propeller assembly bogie as described above, the propeller supporting portion is moved by a hydraulic cylinder after the bogie itself moves along the rail. Since the structure is moved forward and backward, when moving from the stern portion of the ship to the bow portion, when there is an obstacle in the direction of movement, there is a problem of assembling the propeller to the shaft after cutting and reassembling the bogie.

Accordingly, it is an object of the present invention to provide a bogie propeller assembly bogie capable of easily adjusting the left and right and top and bottom clearances between the inner diameter of the tapered boss and the shaft.

Another object of the present invention is to provide a vehicle propeller assembly bogie which can easily move a propeller to an assembly position along a rail or across a rail.

Still another object of the present invention is to provide a vehicle propeller assembly bogie that can safely perform work when assembling a propeller to a shaft.

1 is a perspective view showing a conventional vehicle propeller assembly bogie.

FIG. 2 is a view schematically illustrating an assembly operation of the propeller using the truck propeller assembly bogie shown in FIG. 1. FIG.

Figure 3 is a perspective view showing a bogie for assembling another conventional ship propeller.

Figure 4 is a view schematically showing the assembly operation of the propeller using the truck propeller assembly bogie shown in FIG.

Figure 5 is a side view of the ship propeller assembly bogie according to the invention.

FIG. 6 is a view similar to FIG. 5 in a state where the assembling work of the propeller is completed by the ship propeller assembly bogie according to the present invention shown in FIG. 5;

7 is a view showing a state in which propellers are transported by the ship propeller assembly bogie shown in FIGS. 5 and 6.

8 is a plan view showing the left and right clearance adjustment operation in the ship propeller assembly bogie according to the invention.

Figure 9 is a view showing the structure of the support pillar of the ship propeller assembly bogie according to the invention, (a) is a view showing the support pillar of the propeller front end position (b) is a view showing the support pillar of the propeller rear end position,

FIG. 11 shows the deployed state (a) and the folded state (b) of the folding safety scaffold, respectively.

(Explanation of symbols for the main parts of the drawing)

1: bogie 2: bogie body

3: wheel 4: wheel lifting cylinder

5 lifting member 6, 9: support pillar

7: hub base plate 8: ladder

10a, 10b: eccentric adjustment cylinder

11a, 11b: Valve 12: folding safety scaffold

13: multi-stage pedestal 14: cylinder for vertical adjustment

15: moving base 16: support

17: lower frame 18: cylinder for front and rear adjustment

19: cylinder for moving the body

B: Boss P: Propeller

S: shaft

The ship propeller assembly bogie according to the present invention for this purpose, the bogie body having a plurality of wheels, the lower frame is installed on the top and two support columns fixedly installed on the top and positioned apart by the propeller width Each of the support pillars includes a lower pillar having a hollow formed therein, a plurality of pedestals placed in the hollow, and an upper pillar inserted in the hollow of the lower pillar and placed on the top of the pedestal. This simplifies the installation and height adjustment of the column and reduces the assembly time. A cylinder for vertical adjustment is provided at the lower end of the pedestal in the lower column of the support column installed at the rear end of the propeller among the support columns. This enables fine adjustment of the rear end of the propeller at the installation position.

In addition, the upper pillar of the support pillar installed in the propeller front position of the support pillar is provided with a hub support plate for supporting the front of the propeller, the propeller support cylinder is provided on the upper pillar of the support pillar installed at the rear end of the propeller I support it according to the width.

Both sides of the lower frame are provided with a pair of cylinders for forward and backward adjustment and eccentricity adjustment, and at least one of the input and output ports is provided with a hydraulic control valve to enable fine adjustment of the left and right propellers at the installation position.

Preferably, the wheel of the bogie body is provided with a cylinder for lifting the wheel, the lower end of the lower frame is connected to the movement bracket to work with the eccentric adjustment cylinder to move the bogie across the rail. In addition, a body moving cylinder may be further provided to more effectively perform frame and body movement.

Preferably, a foldable safety footrest may be installed around the propeller forward and backward cylinders and the hub support plate.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

5 and 6 are side views of the ship propeller assembly bogie 1 according to the present invention. As shown, the ship propeller assembly trolley 1 according to the present invention is provided with a plurality of wheels 3 in the lower portion of the trolley body 2 so that the propeller P rails from the production position to the installation position of the ship's rear Move along (R).

A lower frame 17 is installed above the trolley body 2, and the lower frame 17 is woven into a rectangular shape to have a predetermined width and width as shown in FIG. 7 or 8.

Two support pillars 6 and 9 are installed on the lower frame 17 at the front and rear ends of the propeller P, respectively, by the width of the propeller P. The support pillars 6 and 9 include upper pillars 6b and 9b and lower pillars 6a and 9a as shown in FIG. 9, and the lower pillars 6a and 9a have a hollow cylindrical shape. Upper pillars 6b and 9b are fitted therein. In addition, a plurality of support plates 13 are stacked under the upper pillars 6b and 9b in the lower pillars 6a and 9a. This structure is not only can easily adjust the height of the column by adjusting the number of the support plate according to the propeller (P) size, as the lower pillars (6a, 9a) is supported around the support plate 13, the support plates as conventional (13) It is not necessary to assemble between them by screwing together, which greatly reduces the installation time of pillars.

In addition, a cylinder 14 for vertical adjustment is provided at the lower end of the inner pillar 13 of the lower pillar 6a of the support pillar 6 installed at the rear end position of the propeller P among the support pillars 6 and 9. Therefore, after determining the height of both supporting columns in accordance with the required propeller P shear height, the propeller P and the shaft S by the up-down adjustment cylinder 14 when the propeller P is installed on the shaft (see FIG. 6). The gap between the top and bottom can be finely adjusted.

As shown in FIG. 5, the hub support plate 7 for supporting the propeller P shear is provided in the upper pillar 9b of the support pillar 9 installed at the front end of the propeller P among the support pillars 6 and 9. Is provided, and the propeller support cylinder 18 is provided in the upper column 6b of the support column 6 installed at the rear end position of the propeller P. As a result, the rear end of the propeller can be supported at an appropriate position by adjusting the cylinder according to the width of the propeller P.

The working part around the propeller support cylinder 18 and the hub support plate 7 is provided with a ladder 8 so that workers from the bogie body 2 can climb on the hub support plate 7. In addition, the work part may be provided with a folding safety footrest 12. It can be folded in three stages, as shown in more detail in FIG. 11, thereby reducing the volume during movement and providing a wide scaffold area to the operator during operation to improve the safety of the operation.

Both side portions of the lower frame 17 are provided with a pair of forward and backward adjustment cylinders 10a and 10b. By the cylinders 10a and 10b, the lower frame 17 is conveyed back and forth with respect to the trolley | bogie body 2, and the front-back position of a propeller can be adjusted. In addition, as shown in more detail in FIG. 8, at least one input / output port of the cylinders 10a and 10b is provided with hydraulic control valves 11a and 11b. The valves 11a and 11b perform supply and shutoff of the hydraulic pressure of the cylinder 10a, that is, shut off the hydraulic pressure of one cylinder 10a and operate the other cylinder 10b to operate the lower frame 17. Can be eccentric about 5 °. At this time, the two support pillars 6 and 9 fixed to the upper side are eccentric together to adjust the shaft center of the propeller P, whereby the left and right positions of the propeller can be finely adjusted.

As described above, while the hub support plate 7 and the propeller support cylinder 18 support the propellers during the installation of the propellers, the front and rear positions of the propellers are properly adjusted with the cylinders 10a and 10b for forward and backward feed and eccentricity adjustment. Fine adjustment of the vertical gap of the rear end of the propeller with the up and down adjustment cylinder 14, fine adjustment of the left and right gap of the propeller by using the front and rear feed and eccentric adjustment cylinder (10a, 10b) and the valve (11a, 11b).

In addition, as shown in FIG. 5, a lower end of the lower frame 17 may be connected to a moving base 15, and the wheel 3 of the bogie body 2 may be provided with a wheel lifting cylinder 4. have. The wheels 3 are connected to the lower end of the elevating member 5 installed on the side of the bogie body 2, and the elevating member 5 is connected to the piston of the wheel elevating cylinders 4, so that the elevating cylinder 4 ) Is moved up and down when operating. Accordingly, the wheels 3 may be raised or lowered up to a predetermined height from the rail R according to the operation of the wheel lifting cylinder 4. The wheel lifting cylinder 4 can raise the bogie body 2 to approximately 1200 mm.

This makes it possible to move the trolley 1 as shown in FIG. 7 across the rail R when there is an obstacle while traveling or when the trolley 1 is difficult to match the center line of the shaft S. FIG.

That is, the support neck 16 is positioned under the moving base 15 connected to the lower frame 17, and the wheel 3 is raised from the rail R by the operation of the wheel lifting cylinder 4. . Accordingly, the lower frame 17 is supported on the ground through the support neck 16 under the moving pedestal 15, and the bogie body 2 is floating on the ground while connected to the lower frame 17. In this state, the front and rear conveying and eccentricity adjusting cylinders 10a and 10b are simultaneously operated to convey the bogie body 2. That is, the lower frame 17 and the support pillars 6 and 9 transport only the bogie body 2 across the rail in a fixed state. After that, the rail is installed under the wheel and the wheel lifting cylinder 4 is operated to seat the wheel 3 on the rail R. Then, when the support neck 16 is removed, the bogie body 2 is supported on the ground, and the lower frame 17 is placed on the body 2 and floats on the ground. At this time, the back and forth feed and the eccentric adjustment cylinder (10a, 10b) by operating at the same time to transfer the lower frame 17 and the support pillar of the upper portion. That is, the balance body 2 and the lower frame 17 are moved relative to each other by the front and rear conveying and eccentric adjustment cylinders 10a and 10b, and the balance can be repeatedly transferred across the rail.

The cylinders 10a and 10b for forward and rearward feeding and eccentricity adjustment may be used for the relative movement of the bogie body 2 and the lower frame 17 as well as the eccentric adjustment of the propeller P. However, these cylinders 10a and 10b If only the power is insufficient as shown in Figure 5 or 6 may be further provided with one or more cylinders for moving the body (19). That is, when the cart body 2 and the lower frame 17 are moved relative to each other, the cylinders 10a and 10b and the one or more body moving cylinders 19 for forward and backward movement can be operated simultaneously to achieve more stable movement.

As described above, the ship propeller assembly bogie according to the present invention may move across the rail R by the relative movement of the bogie body 2 and the lower frame 17, so that the propeller may be more conveniently transported. In addition, it is possible to finely adjust the vertical and horizontal clearance between the shaft and the propeller through the front and rear feed and eccentric adjustment cylinder (10a, 10b), the up and down adjustment cylinder 14, etc. at the propeller installation position.

According to the ship propeller assembly bogie according to the present invention having the structure as described above, it is possible to easily adjust the left and right clearance between the inner diameter and the shaft of the boss having a tapered shape, while the bogie along the rail Of course, it can move across the rail has the advantage of convenient propeller transfer.

In addition, according to the present invention, the foldable footrest is installed on the workbench to provide a larger working area to the worker, whereby the safety of the work can be further improved.

Claims (6)

A bogie body 2 having a plurality of wheels 3; A lower frame 17 installed above the trolley body 2; It is configured to include two support pillars (6, 9) fixedly installed on the lower frame 17 and positioned apart by the propeller width, Each of the support pillars 6 and 9 includes lower pillars 6a and 9a having hollows therein, a plurality of pedestals 13 and lower pillars 6a and 9a which are placed in the hollows of the lower pillars 6a and 9a. In the lower column (6a) of the support column (6), which is fitted in the hollow of the support column (6b, 9b) placed on top of the pedestal (13), and is installed at the rear end of the propeller (6, 9). The bottom of the base 13 is provided with a cylinder 14 for adjusting the up and down, The upper pillar 9b of the support pillar 9 installed at the front end of the propeller among the support pillars 6 and 9 is provided with a hub support plate 7 for supporting the front of the propeller, and is provided at the rear end of the propeller. The upper pillar (6b) of the (6) is provided with a propeller support cylinder 18, Ship propellers are characterized in that a pair of forward and backward adjustment and eccentricity adjustment cylinders (10a, 10b) are provided on both sides of the lower frame 17, and at least one of the input and output ports of the hydraulic control valve (11a, 11b) Bogie for assembly. The method of claim 1, The wheel (3) of the bogie body (2) is provided with a wheel lifting cylinder (4), the lower end of the lower frame (17) is a bogie propeller assembly bogie, characterized in that the movement base (15) is connected. The method according to claim 1 or 2, Bogie propeller assembly bogie, characterized in that the body moving cylinder 19 is further provided between the bogie body (2) and the lower frame (17). delete The method of claim 1, A trolley for ship propeller assembly, characterized in that the foldable safety scaffold 12 is installed around the propeller front and rear transfer cylinder 18 and the hub support plate 7. delete