WO2018218834A1

WO2018218834A1 - Propeller flow-guiding pipe mounting device

Info

Publication number: WO2018218834A1
Application number: PCT/CN2017/104142
Authority: WO
Inventors: 刘亚东; 杨瀛; 彭善胤; 吕岩; 刘宗强; 葛赛; 陈群佳
Original assignee: 广船国际有限公司
Priority date: 2017-05-27
Filing date: 2017-09-29
Publication date: 2018-12-06
Also published as: CN107161282A; CN107161282B

Abstract

The invention discloses a propeller flow-guiding pipe mounting device comprising a rudder blade trolley (2) capable of horizontally moving at the dock bottom (1) and a jacking platform (3) arranged on the rudder blade trolley (2). The jacking platform (3) comprises a bottom supporting plate (31) keeping in contact with the rudder blade trolley (2) and a plurality of flow-guiding pipe limiting plates (32) arranged on the bottom supporting plate (31). The flow-guiding pipe limiting plates (32) are formed with arc-shaped structures matched with a flow guiding pipe (4) in shape. The flow-guiding pipe limiting plates (32) are divided into a plurality of sections in the length direction of the propeller flow-guiding pipe mounting device. Arc-shaped supporting plates (33) are arranged on the connecting positions of every two adjacent flow-guiding pipe limiting plates (32), and every two adjacent flow-guiding pipe limiting plates (32) are connected in a welded mode at the arc-shaped supporting plates (33). The propeller flow-guiding pipe mounting device plays a bracket stabilizing effect on the flow guiding pipe, and other supports are not necessary to be additionally mounted on the propeller flow-guiding pipe body.

Description

Propeller guide tube mounting device

Technical field

The invention relates to the technical field of ship manufacturing tooling, in particular to a propeller guiding pipe mounting device.

Background technique

With the development of the shipbuilding industry, the era of “green ship” has arrived, and more and more ships have been added to the propeller to achieve energy saving and consumption reduction. Since the propeller guide tubes are mostly located in the larger area of the crotch line, the more suspended parts of the deck often result in the inability to use the crane to assist in the installation. The propeller guide tube varies in size according to the characteristics of the ship type, generally reaching about 40 tons. It cannot be installed by manpower alone. At present, there is no relevant mature technology for installation. The closest installation technology is mainly to install by using the chain hoist. Through the chain hoist, the installation workers have high labor intensity, high production cost, and the installation accuracy is difficult to be ensured. It is necessary to weld a large number of auxiliary parts on the propeller guide tube. After the installation is completed, the cleaning work is complicated and takes a lot of time.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to provide a propeller guide tube mounting apparatus capable of solving the above problems in the prior art.

To this end, the present invention employs the following technical solutions:

A propeller guide tube mounting apparatus is provided, comprising: a rudder vane movable horizontally at a bottom of a dock, a jacking platform disposed on the rudder van, the jacking platform including contact with the rudder van a bottom support plate, a plurality of draft tube limiting plates disposed on the bottom support plate, the guide tube limiting plate forming an arc-shaped structure having an outer shape matching the shape of the draft tube, Propeller guide tube installation The guide tube limiting plate of the length direction of the device is a plurality of sections, and an arc-shaped supporting plate is disposed at a position where the adjacent two-stage guiding tube limiting plates are connected, and the adjacent two-stage guiding tube limiting plate is in the arc Welding connection at the shaped support plate.

As a preferred technical solution of the propeller guide tube mounting device, the arc-shaped support plate is located between the bottom support plate and the guide tube limiting plate, and the diameter of the arc-shaped support plate is The diameter of the guide tube limiting plate is matched.

As a preferred technical solution of the propeller guide tube mounting device, the two sides of the curved support plate are vertically disposed with a vertical support plate, and the vertical support plate is perpendicular to the bottom support plate. Provided, and the vertical support plate is fixedly coupled to the bottom support plate.

As a preferred technical solution of the propeller guide tube mounting device, a first support member is disposed between the guide tube limiting plate and the bottom support plate, and the first support member has the a first top end abutting the deflector limiting plate and a first bottom end abutting the bottom supporting plate, the first supporting member being disposed along a radial direction of a circle where the guiding plate of the guiding tube is located, The first top end faces a center of a circle where the guide tube of the draft tube is located.

As a preferred technical solution of the propeller guide tube mounting device, a second support member is disposed between the guide tube limiting plate and the bottom support plate, and the second support member has the a second top end abutting the deflector retaining plate, and a second bottom end abutting the bottom support plate, the second bottom end abutting the first bottom end, the second top end The vertical support plates abut.

As a preferred technical solution of the propeller guide tube mounting device, the first support member includes a first support plate and a second support plate that are perpendicular to each other, and the first support plate and the second support plate Solder joints between.

As a preferred technical solution of the propeller guide tube mounting device, the arc-shaped support plate has an opening toward the guide tube limiting plate, and the arc-shaped supporting plate is away from the opening portion. The side is provided with a support plate connecting portion for connecting the vertical support plate, the support plate connecting portion and the arc The shaped support plate is an integral structure formed by extending outwardly from the curved support plate.

As a preferred technical solution of the propeller guide tube mounting device, a side of the vertical support plate facing away from the opening portion is provided with a support seat, and the support base includes a horizontal support member and a support reinforcement member. The horizontal support extends horizontally outward from the vertical support plate, and the support reinforcement connects the horizontal support away from the end of the vertical support plate and the top of the vertical support plate.

As a preferred technical solution of the propeller guide tube mounting device, the arc-shaped support plate is formed by splicing a plurality of arc-shaped plates, and the first support member is located on a gap between adjacent arc-shaped plates. .

A preferred embodiment of the propeller guide tube mounting device further includes a wooden tip disposed independently of the jacking platform, the wooden tip having a wedge-shaped structure for filling the propeller guide tube and the top Rise the gap between the platforms.

The invention has the beneficial effects that the installation device of the ship propeller guide tube of the invention has a bracket stabilizing effect on the draft tube, and no additional support such as channel steel is required to be installed on the guide tube body. During the use process, the rudder blade car is used to translate and jack up the propeller guide tube placed on the jacking platform, which ensures the continuity and safety of the operation and improves the installation efficiency. The invention reduces the installation of a large number of lifting code on the propeller guide tube and the hull outer plate, and avoids the hand-tail work such as the subsequent batch grinding and paint recoating.

DRAWINGS

The invention will now be described in further detail with reference to the drawings and embodiments.

1 is a schematic view showing the use state of a propeller guide tube mounting device according to an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a jacking platform according to an embodiment of the present invention.

Figure 3 is a cross-sectional view taken along line A-A of Figure 1.

Figure 4 is a cross-sectional view taken along line B-B of Figure 1.

In the picture:

1, the bottom of the dock; 2, rudder leaf car; 3, jacking platform; 31, bottom support plate; 32, guide tube limit plate; 321, opening; 33, curved support plate; 34, vertical support plate 35, the first support member; 36, the second support member; 37, the support base; 371, the horizontal support member; 372, the support reinforcement member; 38, the wooden tip; 4, the propeller guide tube.

detailed description

The technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only the present invention. Some embodiments, but not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, the terms "connected", "connected", and "fixed" are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise specifically defined and defined. It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature is "below" and "below" the second feature And "below" includes the first feature directly below and below the second feature, or merely indicating that the first feature level is less than the second feature.

As shown in FIG. 1 to FIG. 4, a propeller guide tube 4 mounting device according to an embodiment of the present invention includes: a rudder blade car 2 that can be horizontally moved at the dock bottom 1 and a top disposed on the rudder blade car 2 a lifting platform 3, the jacking platform 3 includes a bottom support plate 31 in contact with the rudder vane 2, and a plurality of draft tube limiting plates 32 disposed on the bottom support plate 31, the draft tube The limiting plate 32 forms an arc-shaped structure whose outer shape matches the shape of the guiding tube. The guiding tube limiting plate 32 is a plurality of sections along the length direction of the mounting device of the propeller guiding tube 4, and adjacent two The arc-shaped support plate 33 is disposed at a position where the segment guide tube 32 is connected, and adjacent two-stage guide tube limiting plates 32 are weldedly connected at the arc-shaped support plate 33.

When the propeller guide tube 4 is installed, the diversion tube is placed on the jacking platform 3, and in addition to ensuring the stability of the draft tube, the horizontal and longitudinal angles of the draft tube can be ensured according to the jacking platform 3. When the rudder blade 2 is used to translate and jack up the draft tube, it is not necessary to use other supports for auxiliary stabilization of the draft tube.

The curved support plate 33 is located between the bottom support plate 31 and the guide tube limiting plate 32, and the diameter of the curved support plate 33 matches the diameter of the guide tube limiting plate 32. .

A vertical support plate 34 is disposed on both sides of the curved support plate 33 in a vertical direction, the vertical support plate 34 is disposed perpendicular to the bottom support plate 31, and the vertical support plate 34 is The bottom support plate 31 is fixedly connected.

A first support member 35 is disposed between the guide tube limiting plate 32 and the bottom support plate 31, and the first support member 35 has a first top end that abuts the guide tube limiting plate 32. And a first bottom end abutting the bottom support plate 31, the first support member 35 is disposed along a radial direction of a circle where the guide tube limiting plate 32 is located, the first top end facing the guide The center of the circle where the flow tube limiting plate 32 is located.

By setting the first support member 35 along the radial direction of the circle in which the guide tube limiting plate 32 is located, it is possible to Good support of the guide tube limiting plate 32 is achieved, thereby ensuring structural strength.

A second support member 36 is disposed between the guide tube limiting plate 32 and the bottom support plate 31, and the second support member 36 has a second top end that abuts the guide tube limiting plate 32. And a second bottom end abutting the bottom support plate 31, the second bottom end abutting the first bottom end, and the second top end abuts the vertical support plate 34.

The first support member 35 and the second support member 36 abut each other, and form a triangular stable structure with the bottom support plate 31, which can further ensure the support effect.

The first support member 35 includes a first support plate and a second support plate that are perpendicular to each other, and the first support plate and the second support plate are weldedly connected.

The curved support plate 33 has an opening portion 321 facing the guide tube limiting plate 32, and a side of the curved support plate 33 away from the opening portion 321 is provided for connecting the vertical support plate 34. The support plate connecting portion is integrally formed with the curved support plate 33, and is formed to extend outward from the curved support plate 33.

The mounting of the vertical support plate 34 can be facilitated by providing the support plate connection.

A support seat 37 is disposed on a side of the vertical support plate 34 facing away from the opening portion 321 . The support base 37 includes a horizontal support member 371 and a support reinforcement member 372. The horizontal support member 371 is defined by the vertical support member 371. The support plate 34 extends horizontally to the outside, and the support reinforcement 372 connects the end of the horizontal support 371 away from the vertical support plate 34 and the top of the vertical support plate 34.

The curved support plate 33 is formed by splicing a plurality of curved plates, and the first support member 35 is located on a gap between adjacent curved plates. By reinforcing the gap between the curved plates by the first support member 35, the reliability of the connection can be ensured, and the welding is not strongly affected.

The propeller-to-six-page mounting apparatus of the present embodiment further includes a wooden tip 38 disposed independently of the jacking platform 3, the wooden tip 38 having a wedge-shaped structure for filling the propeller guide tube 4 and the jacking Platform The gap between 3.

The specific program steps are:

1. Making a jacking platform, the tooling is checked for strength, and it is required to withstand the weight of the propeller draft tube; the design of the jacking platform needs to be determined according to the external line type of the guiding tube, that is, when the jacking platform is placed horizontally, The propeller draft tube is placed on the jacking platform, and the angle between the center line of the draft tube and the horizontal plane is consistent with the angle between the center line of the shaft system and the hull base line;

2. Laying the rudder blade trolley rail at the bottom of the dock, the laying of the rail is determined according to the ship shaft centerline and the rudder blade trolley wheel position;

3. Lift the rudder blade car onto the rail;

4. Hang the jacking platform onto the rudder leaf trolley;

5. Hang the propeller diversion tube onto the jacking platform;

6, start the rudder blade car, the rudder blade small car with the propeller guide pipe along the rail, move to the designated position;

7. The rudder blade is lifted and the hoist is matched to complete the positioning and installation of the propeller draft tube;

8. The rudder leaf car sinks and carries the jacking platform to exit along the rail.

When the invention uses the process, the jacking platform plays the role of carrying the fixed propeller guide tube, and the rudder blade car is the existing equipment of our company, which is used for transportation and jacking, and can meet the height direction adjustment of the propeller draft tube. The direction is adjusted (300mm range), and the fine positioning of the propeller guide tube is matched with the hoist to meet the installation of different ship type draft tubes.

In the description of the specification, the description of the terms "an embodiment", "an example" or the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. in. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be in any One or more embodiments or examples are combined in a suitable manner.

The technical principles of the present invention have been described above in connection with specific embodiments. The descriptions are merely illustrative of the principles of the invention and are not to be construed as limiting the scope of the invention. Based on the explanation herein, those skilled in the art can devise various other embodiments of the present invention without departing from the scope of the invention.

Claims

A propeller guide tube mounting device, comprising: a rudder blade car horizontally movable at a bottom of a dock, a jacking platform disposed on the rudder blade cart, the jacking platform including the rudder blade a bottom support plate contacting the trolley, a plurality of guide tube limiting plates disposed on the bottom support plate, the guide tube limiting plate forming an arc-shaped structure having an outer shape matching the shape of the draft tube The guide tube limiting plate is arranged in a plurality of sections along the length direction of the propeller guiding tube mounting device, and an arc-shaped supporting plate is disposed at a position where the adjacent two-stage guiding tube limiting plates are connected, and the adjacent two sections are guided. The flow tube limiting plate is weldedly connected at the curved support plate.
The propeller guide tube mounting device according to claim 1, wherein the arc-shaped support plate is located between the bottom support plate and the guide tube limiting plate, and the diameter of the arc-shaped support plate Matching the diameter of the guide tube limit plate.
The propeller guide tube mounting device according to claim 2, wherein two sides of the curved support plate are vertically provided with a vertical support plate, and the vertical support plate is perpendicular to the bottom support A plate is disposed, and the vertical support plate is fixedly coupled to the bottom support plate.
The propeller guide tube mounting device according to claim 3, wherein a first support member is disposed between the guide tube limiting plate and the bottom support plate, and the first support member has a a first top end abutting the deflector limiting plate, and a first bottom end abutting the bottom supporting plate, the first supporting member is disposed along a radial direction of a circle where the guiding tube of the guiding tube is located The first top end faces a center of a circle where the guide tube of the draft tube is located.
The propeller guide tube mounting device according to claim 4, wherein a second support member is disposed between the guide tube limiting plate and the bottom support plate, and the second support member has a a second top end abutting the deflector limiting plate, and a second bottom end abutting the bottom supporting plate, the second bottom end abutting the first bottom end, the second top end Abutting the vertical support plate.
A propeller guide tube mounting device according to claim 4, wherein said first The support member includes a first support plate and a second support plate that are perpendicular to each other, and the first support plate and the second support plate are weldedly connected.
The propeller guide tube mounting device according to claim 3, wherein the arcuate support plate has an opening toward the guide tube limiting plate, and the arcuate support plate is away from the opening portion One side is provided with a support plate connecting portion for connecting the vertical support plate, and the support plate connecting portion is integrally formed with the curved support plate, and is formed to extend outward from the curved support plate.
The propeller guide tube mounting device according to claim 7, wherein a support seat is disposed on a side of the vertical support plate facing away from the opening portion, and the support base includes a horizontal support member and a support reinforcement member. The horizontal support member extends horizontally outward from the vertical support plate, and the support reinforcement member connects the horizontal support member away from an end of the vertical support plate and the top of the vertical support plate.
The propeller guide tube mounting device according to claim 4, wherein the arc-shaped support plate is formed by splicing a plurality of arc-shaped plates, and the first support member is located in a gap between adjacent arc-shaped plates. on.
A propeller guide tube mounting apparatus according to claim 1, further comprising a wooden tip disposed independently of said jacking platform, said wooden tip having a wedge-shaped structure for filling a propeller draft tube and said Jack up the gap between the platforms.