CN110696998B - Segmenting, manufacturing and assembling method for side wing of 64000-ton sawdust boat - Google Patents

Segmenting, manufacturing and assembling method for side wing of 64000-ton sawdust boat Download PDF

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CN110696998B
CN110696998B CN201910805938.3A CN201910805938A CN110696998B CN 110696998 B CN110696998 B CN 110696998B CN 201910805938 A CN201910805938 A CN 201910805938A CN 110696998 B CN110696998 B CN 110696998B
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main body
side wing
lifting
wing main
chute
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CN110696998A (en
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孙国华
李珠其
王晓明
周迓若
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Chengxi Shipyard Co Ltd
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Chengxi Shipyard Co Ltd
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Abstract

The invention discloses a subsection of a flank of a 64000-ton sawdust boat and a manufacturing and assembling method thereof. The side wing is segmented, then the divided main body and the root of the side wing are respectively overlapped with the cab segment and the superstructure segment of the ship body, the assembly sequence of the structure of the side wing and the assembly sequence of the combined part of the side wing and the ship body segment are convenient for on-site installation and carrying, the structure of the side wing is not easy to deform, the erection of on-site loose parts, scaffolds and auxiliary tools is effectively reduced, the efficiency is improved, and the manufacturing and mounting costs are effectively reduced.

Description

Segmenting, manufacturing and assembling method for side wing of 64000-ton sawdust boat
Technical Field
The invention relates to the technical field of construction of sawdust boats, in particular to a method for segmenting, manufacturing and assembling a side wing of a 64000-ton sawdust boat.
Background
During the running process of the ship, if the conditions of both sides of the ship board need to be observed, the condition of the ship board needs to be observed from a cockpit to a deck. I undertake a 64000 ton chip ship of building, this ship type width is 37 meters, the vertical distance from driver's cabin to deck is about 16 meters, in order to make the driver more conveniently, fast observe the condition of the both sides of ship's side in the course of ship's driving, do not need to observe the ship's side from driver's cabin to deck that lies in the topmost again, simultaneously, in order to make the driver more clearly observe the condition of the both sides of ship's side in the course of ship's driving, therefore, the flank length of this ship type and the sum of driver's cabin width need be equal with the ship width.
The side wing of the common ship cab is generally small, the small side wing is integrally manufactured firstly when being manufactured in a segmented mode, then the small side wing is assembled with the corresponding cab hull segment, and the 64000-ton wood chip ship built by the department is large in size, so that the side wing is assembled with the cab hull segment after being integrally manufactured directly, the on-site installation and carrying are not facilitated, the structure is easy to deform, and the installation cost is increased.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for segmenting, manufacturing and assembling the side wing of a 64000-ton sawdust boat, which is convenient to manufacture, install and carry on site, is not easy to deform and reduces the installation cost.
In order to achieve the purpose, the technical scheme of the invention is to design a segmenting, manufacturing and assembling method of a side wing of a 64000-ton sawdust boat, which comprises the following steps:
s1: the method comprises the following steps of (1) segmenting a flank, namely dividing the flank into a flank main body and a flank root according to the size of a 64000-ton sawdust boat, overlapping the flank main body with a cab segment of the sawdust boat, and overlapping the flank root with an superstructure segment below the cab; the wing main body comprises a protruding part, a platform part belonging to the floor of a cab and a lower platform part belonging to the bulkhead of an upper building under the cab, and the root of the wing belongs to the floor part of the upper building under the cab;
s2: manufacturing a side wing main body, wherein the side wing main body is divided into a platform part, a lower platform part and a protruding part, firstly, cutting and welding the platform part by using a section bar according to design, and then, welding the protruding parts positioned on two sides of the platform part; assembling and welding the protruding part and the platform part by taking the platform part as a reference surface, then hoisting and overturning the protruding part and the platform part for 180 degrees, vertically hoisting the lower part of the platform to the back of the overturned platform part, and combining and welding the lower part of the platform for later use;
s3: manufacturing the root of the flank, namely cutting, assembling and welding the section according to the design for later use;
s4: integrally assembling the side wings, namely hoisting and overturning the side wing main body assembled in the step S2 for 180 degrees again to enable the lower part of the platform to be positioned below the platform part, hoisting the overturned side wing main body to enable the lower part of the platform to vertically align with the root parts of the side wings and then fall down, and welding and connecting the lower part of the platform and the root parts of the side wings;
s5: assembling the cab, namely assembling and fixing the prefabricated cab part and the upper surface of the platform part of the side wing main body, and completing the combination of the side wing, the cab section and the superstructure section.
The side wing is segmented, then the divided main body and the root of the side wing are respectively overlapped with the cab segment and the superstructure segment of the ship body, the assembly sequence of the structure of the side wing and the assembly sequence of the combined part of the side wing and the ship body segment are convenient for on-site installation and carrying, the structure of the side wing is not easy to deform, the erection of on-site loose parts, scaffolds and auxiliary tools is effectively reduced, the efficiency is improved, and the manufacturing and mounting costs are effectively reduced.
The preferable technical scheme is that the method for hoisting and overturning the wing main body for 180 degrees in the steps S2 and S4 comprises the steps of adopting a steering hoisting device, the steering hoisting device comprises a horizontal hoisting arm, three lifting lugs are arranged on the hoisting arm, each lifting lug is connected with the hoisting arm through a sling, the lower surface of one end of the suspension arm is provided with a first sliding chute and a second sliding chute which are parallel and both extend to the middle part of the suspension arm, the first sliding chute and the second sliding chute are connected and communicated at the middle part of the suspension arm through a first arc-shaped sliding chute extending out of the suspension arm, the lower surface of the other end of the suspension arm is provided with a third sliding chute, the third sliding groove is parallel to the second sliding groove, the end part of the third sliding groove, which extends to the middle position of the suspension arm, is connected and communicated with the second sliding groove through the second arc-shaped sliding groove, and the sling is connected with the sliding groove on the lower surface of the suspension arm through the roller train; the method for hoisting the turnover side wing main body by adopting the steering hoisting tool comprises the steps of arranging a first roller group in a first chute, arranging a second roller group in a third chute, enabling the second roller group to be close to the middle part of a suspension arm, respectively connecting a first lifting lug and a second lifting lug with the middle part of a long edge of the side wing main body, contracting a sling by the first roller group, moving the sling to the middle part of the suspension arm to the first arc chute, enabling the second roller group to move to the second arc chute towards the middle part of the suspension arm, enabling the long edge of the side wing main body connected with the first lifting lug to be positioned at the upper end, enabling the long edge of the side wing main body connected with the second lifting lug to be positioned at the lower end, enabling the side wing main body to be in a nearly vertical state, enabling the first roller group to move to the second chute through the first arc chute, enabling the second roller group to move to the second chute through the second arc chute, and enabling the second roller group to be close to the end part of the suspension arm when the second chute is formed, the first roller set is close to the middle position of the suspension arm, then the third lifting lug is connected with the long edge below the side wing main body, the third roller set shrinks the sling, and the sling is placed under the first roller set and the second roller set, so that the side wing main body is turned over. Adopt this to turn to hoist and mount frock and carry out 180 degrees upsets of flank main part, only need this kind of frock can accomplish the upset, do not need other devices to assist, reduce field device's the volume of erectting, reduce constructor's work load, improve work efficiency, simultaneously, the upset of flank main part is accomplished in the air, reduces the deformation that the collision of flank main part and ground leads to the structure.
In order to facilitate the second roller set to roll the sling and the lifting lug connected with the main body of the side wing, a preferable technical scheme is that after the main body of the side wing is lifted by the first lifting lug and the second lifting lug, a shelf is placed below the main body of the side wing. Adopt this turn to hoist and mount frock to the flank main part and hoist the upset, the hoist cable and the lug that are connected with the second roller train after the upset all are pressed in the below of flank main part, place the shelf in the below, descend after the flank main part is overturned and place in on the shelf, constructor separates second lug and flank main part, and second roller train can follow the space of shelf and roll up second lug and hoist cable.
The flank main body of the sawdust boat is large in size and heavy in weight, the flank main body is manufactured on a floating island in a segmented mode, and when a hoisting tool with a large hoisting weight is not suitable to be erected on the floating island any more, in order to save more labor during overturning, the preferable technical scheme is that the method for hoisting and overturning the flank main body for 180 degrees in the step S2 and the step S4 is as follows: firstly, tying a short edge of a side wing main body and the middle part of the side wing main body with floating airbags to enable the side wing main body to float on the water surface, wherein the short edge is the edge of a protruding part at two sides of the side wing main body, then respectively connecting two lifting lugs at two ends of a lifting arm with the middle part of two edges of the side wing main body in a rotating manner, then connecting the lifting lug at the middle part of the lifting arm with one of the other two edges of the side wing main body, connecting a traction rope on the edge, lifting the lifting lugs at two ends of the lifting arm to enable the side wing main body to be always in a water surface floating state, and wherein the lifting ropes connecting the lifting lugs at two ends of the lifting arm are mutually parallel; lifting lugs in the middle of the suspension arm are lifted, the flank main body is in a vertical state, the traction rope is pulled, the flank main body rotates along a connecting line between the lifting lugs at the two ends of the suspension arm as an axis, and the lifting lugs in the middle are matched with the traction device to slowly release the lifting lugs downwards until the flank main body turns over. The side wing main body floats on the water surface, when the side wing main body is lifted by the lifting lugs at the two ends of the lifting arm, the middle part of the side wing main body is always in a state of not being separated from the water surface, the water saves strength for the buoyancy of the side wing main body, and the side wing main body can be lifted and overturned by adopting a lifting tool with small lifting weight; and the lifting lugs at the two ends of the suspension arm are rotatably connected with the side wing main body, when the side wing main body is in a vertical state, the traction rope is pulled, so that the side wing main body rotates along a connecting line between the lifting lugs at the two ends of the suspension arm as an axis, at the moment, the lifting rope at the middle part of the suspension arm can be loosened by pulling to rotate by a small angle, the side wing main body can be overturned, the side wing main body is pulled to rotate in the process, manpower can be used for completing traction, and the number of auxiliary tools laid on site is reduced.
When the length of the suspension arm of the hoisting tool is insufficient, the further preferable technical scheme is that two lifting lugs at two ends of the suspension arm are respectively connected with the middle of the long edge of the side wing main body in a rotating mode, and then the lifting lug in the middle of the suspension arm is connected with one short edge of the side wing main body. The length of the suspension arm is not enough, the lifting lugs at the two ends of the suspension arm are connected with the long edges of the two sides of the main body of the side wing, and the distance between the two lifting lugs is the width of the main body of the side wing.
When the water depth of the hoisting water area is insufficient, the further preferable technical scheme is that two lifting lugs at two ends of the suspension arm are respectively connected with the middle part of the short side of the side wing main body in a rotating manner, and then the lifting lug in the middle of the suspension arm is connected with one long side of the side wing main body. The water depth of the water area is not enough, the lifting lugs at the two ends of the suspension arm are connected with the short edges of the two sides of the main body of the side wing, and the length of the side wing is used as a rotation axis during overturning, so that the overturning distance is reduced.
The invention has the advantages and beneficial effects that: the segmenting, manufacturing and assembling method of the side wing of the 64000-ton sawdust boat has the characteristics of convenience in manufacturing, field installation and carrying, difficulty in deformation and reduction in installation cost. The side wing is segmented, then the divided main body and the root of the side wing are respectively overlapped with the cab segment and the superstructure segment of the ship body, the assembly sequence of the structure of the side wing and the assembly sequence of the combined part of the side wing and the ship body segment are convenient for on-site installation and carrying, the structure of the side wing is not easy to deform, the erection of on-site loose parts, scaffolds and auxiliary tools is effectively reduced, the efficiency is improved, and the manufacturing and mounting costs are effectively reduced. The turning hoisting tool is adopted to turn 180 degrees of the main body of the side wing, the turning can be completed only by the tool, other devices are not needed to assist, the erection amount of field devices is reduced, the workload of constructors is reduced, the working efficiency is improved, meanwhile, the turning of the main body of the side wing is completed in the air, and the deformation of the structure caused by the collision of the main body of the side wing and the ground is reduced. The side wing main body floats on the water surface, when the side wing main body is lifted by the lifting lugs at the two ends of the lifting arm, the middle part of the side wing main body is always in a state of not being separated from the water surface, the water saves strength for the buoyancy of the side wing main body, and the side wing main body can be lifted and overturned by adopting a lifting tool with small lifting weight; and the lifting lugs at the two ends of the suspension arm are rotatably connected with the side wing main body, when the side wing main body is in a vertical state, the traction rope is pulled, so that the side wing main body rotates along a connecting line between the lifting lugs at the two ends of the suspension arm as an axis, at the moment, the lifting rope at the middle part of the suspension arm can be loosened by pulling to rotate by a small angle, the side wing main body can be overturned, the side wing main body is pulled to rotate in the process, manpower can be used for completing traction, and the number of auxiliary tools laid on site is reduced.
Drawings
FIG. 1 is a schematic structural view of a wing of the present invention;
fig. 2 is a schematic bottom view of a boom of the steering hoisting tool in embodiment 1 of the invention.
In the figure: 1. a suspension arm; 2. a first chute; 3. a second chute; 4. a first arc-shaped chute; 5. a third chute; 6. a second arc-shaped chute; 7. a first roller train; 8. a second roller set; 9. a third roller set; 10. the root of the flank; 11. a protruding portion; 12. a platform portion; 13. a lower platform portion.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The invention discloses a segmenting, manufacturing and assembling method of a side wing of a 64000-ton sawdust boat, which is characterized by comprising the following steps of:
s1: the method comprises the following steps of (1) segmenting a flank, namely dividing the flank into a flank main body and a flank root 10 according to the size of a 64000-ton sawdust boat, overlapping the flank main body with a cab segment of the sawdust boat, and overlapping the flank root with an superstructure segment below the cab; the main body of the wing comprises a projecting part 11, a platform part 12 belonging to the floor of the cab and a lower platform part 13 belonging to the bulkhead of the superstructure below the cab, the root of the wing belonging to the floor part of the superstructure below the cab;
s2: manufacturing a side wing main body, wherein the side wing main body is divided into a platform part, a lower platform part and a protruding part, firstly, cutting and welding the platform part by using a section bar according to design, and then, welding the protruding parts positioned on two sides of the platform part; assembling and welding the protruding part and the platform part by taking the platform part as a reference surface, then hoisting and overturning the protruding part and the platform part for 180 degrees, vertically hoisting the lower part of the platform to the back of the overturned platform part, and combining and welding the lower part of the platform for later use;
s3: manufacturing the root of the flank, namely cutting, assembling and welding the sectional material according to the design to form the root of the flank for later use;
s4: integrally assembling the side wings, namely hoisting and overturning the side wing main body assembled in the step S2 for 180 degrees again to enable the lower part of the platform to be positioned below the platform part, hoisting the overturned side wing main body to enable the lower part of the platform to vertically align with the root parts of the side wings and then fall down, and welding and connecting the lower part of the platform and the root parts of the side wings;
s5: assembling the cab, namely assembling and fixing the prefabricated cab part and the upper surface of the platform part of the side wing main body, and completing the combination of the side wing, the cab section and the superstructure section.
As shown in fig. 2, the method for hoisting and turning the wing main body 180 degrees in the steps S2 and S4 includes using a steering hoisting device, the steering hoisting device comprises a horizontal hoisting arm 1, three lifting lugs are arranged on the hoisting arm, each lifting lug is connected with the hoisting arm through a sling, the lower surface of one end of the suspension arm is provided with a first sliding chute 3 and a second sliding chute 3 which are parallel and both extend to the middle part of the suspension arm, the first sliding chute and the second sliding chute are connected and communicated at the middle part of the suspension arm through a first arc-shaped sliding chute 4 extending out of the suspension arm, the lower surface of the other end of the suspension arm is provided with a third sliding chute 5, the third sliding groove is parallel to the second sliding groove, the end part of the third sliding groove, which extends to the middle position of the suspension arm, is connected and communicated with the second sliding groove through a second arc-shaped sliding groove 6, and the sling is connected with the sliding groove on the lower surface of the suspension arm through a roller group;
the method for hoisting the turnover flank main body by adopting the steering hoisting tool comprises the steps of arranging a first roller group 7 in a first chute, arranging a second roller group 8 and a third roller group 9 in a third chute, enabling the second roller group to be close to the middle part of a suspension arm, respectively connecting a first lifting lug and a second lifting lug with the middle part of a long edge of the flank main body, contracting a sling by the first roller group and moving the sling to the middle part of the suspension arm to the first arc chute, enabling the second roller group to move to the second arc chute towards the middle part of the suspension arm, enabling the long edge of the flank main body connected with the first lifting lug to be positioned at the upper end, enabling the long edge of the flank main body connected with the second lifting lug to be positioned at the lower end, enabling the flank main body to be in a nearly vertical state, then placing a shelf below the flank main body, at the moment, enabling the first roller group to move to the second chute through the first arc chute, enabling the second roller group to move to the second chute through the second arc chute, when the second spout, the second roller train is close to the tip of davit, and first roller train is close to the middle part position of davit, then is connected the third lug with the long limit that is located the below of flank main part, and the hoist cable is transferred to third roller train shrink hoist cable, first roller train and second roller train to this upset of accomplishing the flank main part.
Example 2
The difference between the embodiment 2 and the embodiment 1 is that the method for hoisting and turning the wing main body 180 degrees in the steps S2 and S4 is as follows: firstly, tying a short edge of a side wing main body and the middle part of the side wing main body with floating airbags to enable the side wing main body to float on the water surface, wherein the short edge is the edge of a protruding part at two sides of the side wing main body, then respectively connecting two lifting lugs at two ends of a lifting arm with the middle part of a long edge of the side wing main body in a rotating manner, then connecting the lifting lug at the middle part of the lifting arm with one short edge of the side wing main body, connecting a traction rope on the short edge, lifting the lifting lugs at two ends of the lifting arm to enable the side wing main body to be always in a water surface floating state, and wherein the lifting ropes connecting the lifting lugs at two ends of the lifting arm are mutually parallel; lifting lugs in the middle of the suspension arm are lifted, the flank main body is in a vertical state, the traction rope is pulled, the flank main body rotates along a connecting line between the lifting lugs at the two ends of the suspension arm as an axis, and the lifting lugs in the middle are matched with the traction device to slowly release the lifting lugs downwards until the flank main body turns over.
Example 3
The difference between the embodiment 3 and the embodiment 2 is that two lifting lugs at two ends of the suspension arm are respectively connected with the middle part of the short side of the side wing main body in a rotating way, then the lifting lug at the middle part of the suspension arm is connected with one long side of the side wing main body, and a traction rope is connected on the long side.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A method for segmenting, manufacturing and assembling a side wing of a 64000-ton sawdust boat is characterized by comprising the following steps:
s1: the method comprises the following steps of (1) segmenting a flank, namely dividing the flank into a flank main body and a flank root according to the size of a 64000-ton sawdust boat, overlapping the flank main body with a cab segment of the sawdust boat, and overlapping the flank root with an superstructure segment below the cab; the wing main body comprises a protruding part, a platform part belonging to the floor of a cab and a lower platform part belonging to the bulkhead of an upper building under the cab, and the root of the wing belongs to the floor part of the upper building under the cab;
s2: the manufacturing method comprises the following steps of manufacturing a side wing main body, wherein the side wing main body is divided into a platform part, a lower platform part and a protruding part, cutting a section according to design, firstly welding the platform part of the side wing main body, and then welding the protruding parts positioned on two sides of the platform part; assembling and welding the protruding part and the platform part by taking the platform part as a reference surface, then hoisting and overturning the protruding part and the platform part for 180 degrees, vertically hoisting the lower part of the platform to the back of the overturned platform part, and combining and welding the lower part of the platform for later use;
s3: manufacturing the root of the flank, namely cutting, assembling and welding the sectional material according to the design to form the root of the flank for later use;
s4: integrally assembling the side wings, namely hoisting and overturning the side wing main body assembled in the step S2 for 180 degrees again to enable the lower part of the platform to be positioned below the platform part, hoisting the overturned side wing main body to enable the lower part of the platform to vertically align with the root parts of the side wings and then fall down, and welding and connecting the lower part of the platform and the root parts of the side wings;
s5: assembling the cab, namely assembling and fixing the prefabricated cab part and the upper surface of the platform part of the side wing main body, and completing the combination of the side wing, the cab section and the superstructure section.
2. The method for segmenting, manufacturing and assembling the wing of 64000 ton ship made of sawdust according to claim 1, wherein said step S2 and said step S4 are performed by using a steering and hoisting device, said steering and hoisting device comprises a horizontal boom, said boom is provided with three lifting eyes, each lifting eye is connected to the boom through a sling, the lower surface of one end of said boom is provided with two parallel first and second chutes extending to the middle portion of the boom, the first and second chutes are connected to and communicated with each other through a first arc chute extending to the outside of the boom in the middle portion of the boom, the lower surface of the other end of the boom is provided with a third chute, said third chute is parallel to the second chute, the end of the boom where the third chute extends to the middle position is connected to and communicated with the second chute through a second arc chute, the sling is connected with a sliding groove on the lower surface of the suspension arm through a roller group; the method for hoisting the turnover side wing main body by adopting the steering hoisting device comprises the steps of arranging a first roller group in a first chute, arranging a second roller group in a third chute, enabling the second roller group to be close to the middle part of a suspension arm, respectively connecting a first lifting lug and a second lifting lug with the middle part of a long edge of the side wing main body, contracting a sling by the first roller group, moving the sling to the middle part of the suspension arm to the first arc chute, enabling the second roller group to move to the second arc chute towards the middle part of the suspension arm, enabling the long edge of the side wing main body connected with the first lifting lug to be positioned at the upper end, enabling the long edge of the side wing main body connected with the second lifting lug to be positioned at the lower end, enabling the side wing main body to be in a nearly vertical state, enabling the first roller group to move to the second chute through the first arc chute, enabling the second roller group to move to the second chute through the second arc chute, and enabling the second roller group to be close to the end part of the suspension arm when the second chute is formed, the first roller set is close to the middle position of the suspension arm, then the third lifting lug is connected with the long edge below the side wing main body, the third roller set shrinks the sling, and the sling is placed under the first roller set and the second roller set, so that the side wing main body is turned over.
3. The method for segmenting, fabricating and assembling a wing of a 64000 ton chip boat as recited in claim 2, wherein a shelf is placed under the wing body after the wing body is lifted by the first lifting lug and the second lifting lug.
4. The method for segmenting, manufacturing and assembling the wing of 64000 ton chip boat according to claim 1, wherein the method for turning the wing body in step S2 and step S4 by hoisting is as follows: firstly, tying floating airbags on the short edges of a side wing main body and the middle part of the side wing main body to enable the side wing main body to float on the water surface, wherein the short edges are the edges of the protruding parts on the two sides of the side wing main body, then respectively connecting two lifting lugs positioned at the two ends of a lifting arm with the middle parts of the two long edges of the side wing main body in a rotating manner, then connecting the lifting lug in the middle part of the lifting arm with one of the two short edges of the side wing main body, connecting a traction rope on the short edge, lifting the lifting lugs at the two ends of the lifting arm to enable the side wing main body to be always in a water surface floating state, and wherein the lifting ropes connecting the lifting lugs at the two ends of the lifting arm are mutually parallel; lifting lugs in the middle of the suspension arm, lifting the side wing, enabling the side wing main body to be in a vertical state, pulling the traction rope, enabling the side wing main body to rotate along a connecting line between the lifting lugs at the two ends of the suspension arm as an axis, and enabling the lifting lugs in the middle to be matched with the traction device to slowly release the lifting ropes downwards until the side wing main body is turned over.
5. The method for segmenting, manufacturing and assembling the side wing of a 64000-ton chip boat as claimed in claim 4, wherein two lifting lugs at both ends of the suspension arm are respectively and rotatably connected with the middle of the long side of the side wing main body, and then the lifting lug at the middle of the suspension arm is connected with one short side of the side wing main body.
6. The method for segmenting, manufacturing and assembling the side wing of a 64000-ton chip boat as claimed in claim 4, wherein two lifting lugs at both ends of the suspension arm are respectively and rotatably connected with the middle of the short side of the side wing main body, and then the lifting lug at the middle of the suspension arm is connected with one long side of the side wing main body.
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