CN115848585A - Installation method of single-point conveying equipment of self-discharging ship - Google Patents
Installation method of single-point conveying equipment of self-discharging ship Download PDFInfo
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- CN115848585A CN115848585A CN202211438946.7A CN202211438946A CN115848585A CN 115848585 A CN115848585 A CN 115848585A CN 202211438946 A CN202211438946 A CN 202211438946A CN 115848585 A CN115848585 A CN 115848585A
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Abstract
The invention relates to the technical field of ship single-point conveying equipment installation, and discloses a method for installing self-unloading ship single-point conveying equipment, which comprises the following steps of: s1, after a main ship body is folded, taking a 16m positioning straight line defined by a slipway as a reference line, finding out datum points of a bow and a stern, and marking out a midship line, wherein the central line is the central line of single-point conveying equipment; s2, burning 1-2 extension auxiliary plates on each deck along a midship line defined in the total assembly stage of the ship body on the reverse side of the main deck. The method is carried out after the main ship body is folded up by determining the central line of the single-point conveying equipment, a central stay line lighting method is found, the central line of the single-point conveying equipment is determined, contour line marks are drawn, the accuracy of roller installation can be improved, the installation method reduces the labor intensity of operation, is high in operation efficiency, reduces the workload of adjustment operation, and is small in measured data, visual in measured data and small in error.
Description
Technical Field
The invention relates to the technical field of ship single-point conveying equipment installation, in particular to a method for installing self-unloading ship single-point conveying equipment.
Background
The self-unloading ship has unloading unit to unload material to dock. A dry bulk transport vessel having a special cargo hold structure and unloading apparatus for unloading dry bulk cargo in a continuous transfer mode. The self-discharging ship can be used for centralized control of discharging operation to realize high-speed automatic discharging, and generally a single-point conveyor is required to be used on the self-discharging ship to realize the transportation of cargoes.
However, the traditional single-point conveying equipment for the self-unloading ship in the market is installed on the reverse side of a main deck, the equipment is difficult to install, and particularly in an underwater state, the self-unloading ship can always be in a dynamic state along with the fluctuation of water waves at any time, so that the difficulty of equipment installation is further increased.
Disclosure of Invention
The invention aims to provide a method for installing self-unloading ship single-point conveying equipment, which aims to solve the problem that the traditional self-unloading ship single-point conveying equipment is difficult to install on the reverse side of a main deck, and particularly in an underwater state, a self-unloading ship can always be in a dynamic state along with the fluctuation of water waves at any time, so that the equipment installation difficulty is further increased.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for installing single-point conveying equipment of a self-discharging ship comprises the following steps:
s1, after a main ship body is folded, finding out datum points of a bow and a stern and marking out a midship line by taking a 16m positioning straight line defined by a slipway as a reference line, wherein the central line is a central line of single-point conveying equipment;
s2, burning 1-2 extending auxiliary plates on each deck along a midship line position defined in the overall assembly stage of the ship body on the reverse side of the main deck, knocking and punching holes on the extending auxiliary plates along the central line of a defined single-point conveying device, vertically shifting to a lower opening sealing plate of a groove-shaped structure opening according to the defined central line, then defining a central line, knocking and punching the holes, and then defining 2 translation reference lines for testing the left and right deviation amount of a bracket for mounting the idler wheels;
s3, after the central line of the single-point conveying equipment is confirmed, burning an auxiliary equilateral angle steel beside the roller base to mark a contour line;
s4, installing rollers, and then installing carrier rollers and other accessories in the installation sequence of the single-point conveying equipment;
and S5, after the carrier roller of the single-point conveying equipment is installed in place, firstly installing a transverse chain, and then installing a cable, so that the installation of the single-point conveying equipment can be completed.
Preferably, in the step S1, the left-right deviation of the central line of the single-point conveying equipment is not more than ± 5mm within the range of 30 m.
Preferably, in step S3, the operation of demarcating contour marks is as follows: firstly, taking measurement data of the central height of a first groove-shaped structure reverse-jacking deck from a base line position as a vertical direction basis, downwardly deviating and drawing an actual contour line required by mounting a single-point roller, deviating and extending the contour line onto a port auxiliary angle steel, then extending onto an upright angle steel on the left side closest to a midship of a ship, and knocking a sample punching hole to serve as a permanent mark; and shifting and extending the port contour line to a column angle steel with a starboard distance of 1800mm, and knocking a sample punching hole to serve as a permanent mark.
Preferably, in step S3, the central line of the single-point funnel needs to extend to the opening structure of the main deck funnel by using the central line defined on the segment frame, the center of the funnel needs to coincide with the center of the single-point conveying equipment, and the left-right deviation does not exceed ± 2mm.
Preferably, in step S4, before the roller of the single-point conveying equipment is installed, the flatness calibration work needs to be performed on all single-point supporting cushion blocks, the distance from the center of the cushion block to the center line is 1300mm, and the deviation does not exceed ± 1.5mm, and the roller is installed after the single-point supporting cushion block plane calibration work is finished.
Preferably, in the step S4, the installation height of the single-point roller is adjusted by using the temporary adjusting cushion block and the shoring bolt according to the contour line defined in the slipway stage, and the left-right height difference of the leveled single-point roller on the same rib position line does not exceed ± 2.5mm.
Preferably, in the step S4, before the single-point conveying equipment carrier rollers are assembled, the arrival conditions of the self-discharging system equipment are checked, the equipment is supplied in bulk, 10 pieces of equipment are supplied in total, 2 pieces of equipment are 11 meters long, 8 pieces of equipment are 9 meters long, the 11 meters of equipment are the bow end and the stern end of the single-point system, the bow end and the stern end are distinguished firstly, then the equipment is installed from the stern part according to the hoisting sequence of the equipment, after each two sections are hoisted in place, the temporary support is used for fixing, and then the assembly is carried out section by section according to the principle that the stern moves to the bow.
Preferably, in the step S4, the driving motor is installed at the left side of the carrier roller, and the hydraulic device is installed at the right side of the carrier roller.
Preferably, after the single-point conveying equipment is debugged, epoxy pouring is carried out, and pouring is carried out according to the stopping position of the equipment, so that the construction is carried out one by one from stern to forward.
Compared with the prior art, the invention has the beneficial effects that:
the method is carried out after the main ship body is folded up by determining the central line of the single-point conveying equipment, a central stay line lighting method is found, the central line of the single-point conveying equipment is determined, contour line marks are drawn, the accuracy of roller installation can be improved, the installation method reduces the labor intensity of operation, is high in operation efficiency, reduces the workload of adjustment operation, and is small in measured data, visual in measured data and small in error.
Drawings
Fig. 1 is a schematic view of an installation state of a single-point conveying equipment installation method of a self-discharging ship.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the technical scheme that: a method for installing single-point conveying equipment of a self-discharging ship comprises the following steps:
s1, after a main ship body is folded, taking a 16m positioning straight line defined by a slipway as a reference line, finding out a bow datum point and a stern datum point, and marking out a midship line, wherein the left-right deviation of a central line is required to be within a range of 30m and not more than +/-5 mm, and the central line is approved by shipowner inspection and is a central line of single-point conveying equipment;
s2, burning 1-2 extending auxiliary plates on each deck at the back side of a main deck along a midship line position defined in the overall assembly stage of a ship body, knocking sample punching holes along the central line of a defined single-point conveying device on each extending auxiliary plate, vertically shifting the extending auxiliary plates to a lower opening sealing plate of a groove-shaped structure opening according to the defined central line, then defining a central line, knocking the sample punching holes, shifting the extending auxiliary plates to 1300mm left and right, then defining 2 translation reference lines for testing the left and right deviation amount of a bracket for mounting a roller, and when the deviation is large, carrying out corresponding adjustment according to the actual situation on site;
s3, after the central line of the single-point conveying equipment is confirmed, burning an auxiliary equilateral angle steel (EA 75 x 8) with the height of about 800mm beside the roller base (at a distance of 1600 mm) to mark the contour line, wherein the upper deviation and the lower deviation of the contour line are required to be not more than +/-2 mm; firstly, taking measurement data (theoretical value is 14334 mm) of the central height of a first groove-shaped structure (505 segments) of an anti-jacking deck from a base line position as the basis of the vertical direction, downwardly deviating and drawing an actual contour line (12800 mm from the base line) required by mounting a single-point roller, deviating and extending the contour line to a port auxiliary angle steel, then extending to a left upright angle steel closest to a midship, and knocking a sample punching hole to serve as a permanent mark; then, the port contour line is deviated and extended to a column angle steel with a starboard distance of 1800mm (511 is segmented into 2400 mm) and a sample punching hole is knocked to serve as a permanent mark, the center line of the single-point funnel needs to be extended to an opening structure of the main deck funnel by utilizing the center line defined on the segmented frame, the center of the funnel needs to be overlapped with the center of the single-point conveying equipment, and the left-right deviation does not exceed +/-2 mm;
s4, installing rollers, then installing carrier rollers and other accessories in the installation sequence of the single-point conveying equipment, wherein the installation of the accessories follows the principle of firstly weighing and then weighing, before installing the rollers of the single-point conveying equipment, flatness calibration work needs to be carried out on all single-point supporting cushion blocks, the distance between the centers of the cushion blocks and a central line is 1300mm, the deviation cannot exceed +/-1.5 mm, whether adjustment is needed or not is determined according to actual conditions, the rollers are installed after the plane calibration work of the single-point supporting cushion blocks is finished, then, the installation height of the single-point rollers is adjusted by using temporary adjusting cushion blocks and jacking bolts according to contour lines drawn in a shipway stage, and the left-right height difference of the single-point rollers on the same rib position line after leveling cannot exceed +/-2.5 mm; finally, verifying whether the installation condition of each group of single-point rollers meets the requirements by using a specially designed tool so as to ensure the operation of single-point conveying equipment;
before assembling the carrier roller of the single-point conveying equipment, checking the goods arrival condition of the self-discharging system equipment, wherein the equipment supplies goods in bulk, 10 carrier rollers are arranged, 2 carrier rollers are 11 meters long, 8 carrier rollers are 9 meters long, the 11 meters are the bow end and the stern end of the single-point system, the bow end and the stern end are firstly distinguished, then the carrier roller and the stern end are installed from the stern part according to the hoisting sequence of the equipment, after each two sections are hoisted to the right position, the carrier rollers are temporarily supported and fixed, then the carrier roller is assembled section by section according to the principle of moving the stern to the bow, the installation direction of the carrier roller (8 meters long) for installing the driving motor is specially required to be paid attention to, the driving motor is installed at the left side of the carrier roller, the hydraulic device is installed at the right side of the carrier roller, because the single-point system supplies goods in a unified way not integrally, but supplies goods in different time periods, the period is undetermined, the supply principle is determined to be that supply is started from a 5# cargo hold area to a 1# cargo hold area, after the first batch of supply is finished, the single-point conveying equipment is pulled into the 5# cargo hold through auxiliary equipment tools such as a winch and the like to be assembled, then the single-point conveying equipment is assembled from stern to stern successively, after the whole single-point conveying equipment is assembled, the single-point conveying equipment is pulled back and forth by using the winch temporarily installed at the bow part in the 1# cargo hold and the stern part in the 5# cargo hold, the contact condition of the single-point roller and the track of the conveying equipment is observed, if the single-point roller and the track of the conveying equipment are in contact, the roller rotates along with the movement of the track of the conveying equipment, and no adjustment is needed; if the two are not in contact, the adjustment needs to be carried out according to different situations. If the conveying equipment is not contacted with the conveying equipment rail all the time in the whole operation process of the conveying equipment, the gap between the roller and the rail needs to be measured, and the installation height of the roller is adjusted; if the contact is not generated only in a local stage in the whole operation process of the conveying equipment, the contact is needed to be considered separately, if all rollers contacted by the conveying equipment have contact exceeding 75% in a single static stage, the modification can not be carried out, if the contact does not reach 75%, the roller installation height needs to be adjusted, and the specific adjustment height needs to be obtained through specific analysis after measurement.
The assembling state of each single-point roller and the single-point equipment needs to be reported and tested to ensure the normal operation of the single-point equipment;
and S5, after the carrier roller of the single-point conveying equipment is installed in place, firstly installing a transverse chain, and then installing a cable, so that the installation of the single-point conveying equipment can be completed.
In this embodiment, after the single-point conveying equipment is debugged, epoxy is poured, and the pouring is performed according to the equipment parking position, so that the construction is performed one by one from stern to forward.
According to another embodiment, the installation of the single-point conveying equipment has the following conditions:
a. the assembly and welding of the main deck of the cargo area of the ship body and the structures above are basically finished (note that the structure with the single-point device needs to be positioned and installed by taking the center line of the segment as a reference).
b. All single-point supports are required to be installed in place, flatness calibration is carried out, flatness and straightness of the supporting block panel (flatness is the integral requirement), the straightness is +/-1 mm, and the flatness is +/-3 mm, and the single-point supports are accepted by shipowners.
And after the support is calibrated, positioning and installing the roller by using a designed special tool.
c. Before carrying out the installation work of the roller profile steel, the guide roller and the roller of the single-point conveying equipment, the assembly of surrounding railings, platforms and the like is finished.
The datum points of the bow and the stern are found to be coincident with the theoretical central line, the deviation is not more than +/-2 mm, and the datum points are checked and accepted by a quality inspection department and recognized by shipowners.
According to the embodiment, the center line of the single-point conveying equipment is determined after the main ship body is folded, the center line lighting method is found, the center line of the single-point conveying equipment is determined, the contour line mark is defined, the accuracy of roller installation can be improved, the labor intensity of operation is reduced, the operation efficiency is high, the workload of adjustment operation is reduced, the measured data is less, the measured data is visual, and the error is smaller.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments.
Claims (9)
1. A single-point conveying equipment installation method for a self-discharging ship is characterized by comprising the following steps:
s1, after a main ship body is folded, finding out datum points of a bow and a stern and marking out a midship line by taking a 16m positioning straight line defined by a slipway as a reference line, wherein the central line is a central line of single-point conveying equipment;
s2, burning 1-2 extending auxiliary plates on each deck along a midship line position defined in the overall assembly stage of the ship body on the reverse side of the main deck, knocking and punching holes on the extending auxiliary plates along the central line of a defined single-point conveying device, vertically shifting to a lower opening sealing plate of a groove-shaped structure opening according to the defined central line, then defining a central line, knocking and punching the holes, and then defining 2 translation reference lines for testing the left and right deviation amount of a bracket for mounting the idler wheels;
s3, after the central line of the single-point conveying equipment is confirmed, burning an auxiliary equilateral angle steel beside the roller base to demarcate a contour line mark;
s4, installing rollers, and then installing carrier rollers and other accessories in the installation sequence of the single-point conveying equipment;
and S5, after the carrier roller of the single-point conveying equipment is installed in place, firstly installing a transverse chain, and then installing a cable, so that the installation of the single-point conveying equipment can be completed.
2. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S1, the left-right deviation of the central line of the single-point conveying equipment is not more than +/-5 mm within the range of 30 m.
3. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in step S3, the operation of delineating contour marks is as follows: firstly, taking measurement data of the central height of a first groove-shaped structure reverse-jacking deck from a base line position as a vertical direction basis, downwardly deviating and drawing an actual contour line required by mounting a single-point roller, deviating and extending the contour line onto a port auxiliary angle steel, then extending onto an upright angle steel on the left side closest to a midship of a ship, and knocking a sample punching hole to serve as a permanent mark; and shifting and extending the port contour line to a column angle steel with a starboard distance of 1800mm, and knocking a sample punching hole to serve as a permanent mark.
4. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S3, the central line of the single-point funnel needs to be extended to the opening structure of the main deck funnel by using the central line defined on the segmented frame, the center of the funnel needs to be overlapped with the center of the single-point conveying equipment, and the left-right deviation does not exceed +/-2 mm.
5. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S4, before the single-point conveying equipment roller is installed, flatness calibration work needs to be performed on all single-point supporting cushion blocks, the distance from the center line of the cushion block to the center line is 1300mm, the deviation does not exceed +/-1.5 mm, and the roller is installed after the single-point supporting cushion block plane calibration work is finished.
6. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S4, the installation height of the single-point roller is adjusted by using the temporary adjusting cushion block and the jacking bolt according to the contour lines defined in the slipway stage, and the left-right height difference of the single-point roller on the same rib position line after leveling is not more than +/-2.5 mm.
7. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S4, before the carrier rollers of the single-point conveying equipment are assembled, the arrival condition of the self-discharging system equipment is checked, the equipment is supplied in bulk, 10 pieces of equipment are provided, 2 pieces of equipment are 11 meters long, 8 pieces of equipment are 9 meters long, the 11 meters of equipment are the bow end and the stern end of the single-point system, the bow end and the stern end are distinguished firstly, then the equipment is installed from the stern part according to the hoisting sequence of the equipment, after every two sections are hoisted in place, the carrier rollers are temporarily supported and fixed, and then the assembly is carried out section by section according to the principle that the stern faces the bow.
8. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: in the step S4, the driving motor is installed on the left side of the carrier roller, and the hydraulic device is installed on the right side of the carrier roller.
9. The method for installing the single-point conveying equipment of the self-discharging ship according to claim 1, wherein the method comprises the following steps: and after the single-point conveying equipment is debugged, performing epoxy pouring work, and pouring according to the stopping position of the equipment so as to construct one by one from stern to forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438946.7A CN115848585A (en) | 2022-11-17 | 2022-11-17 | Installation method of single-point conveying equipment of self-discharging ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438946.7A CN115848585A (en) | 2022-11-17 | 2022-11-17 | Installation method of single-point conveying equipment of self-discharging ship |
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| Publication Number | Publication Date |
|---|---|
| CN115848585A true CN115848585A (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211438946.7A Pending CN115848585A (en) | 2022-11-17 | 2022-11-17 | Installation method of single-point conveying equipment of self-discharging ship |
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| Country | Link |
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| CN (1) | CN115848585A (en) |
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- 2022-11-17 CN CN202211438946.7A patent/CN115848585A/en active Pending
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