CN111439352A - Installation process of folding hatch cover - Google Patents
Installation process of folding hatch cover Download PDFInfo
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- CN111439352A CN111439352A CN202010320968.8A CN202010320968A CN111439352A CN 111439352 A CN111439352 A CN 111439352A CN 202010320968 A CN202010320968 A CN 202010320968A CN 111439352 A CN111439352 A CN 111439352A
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Abstract
The invention relates to the field of ship installation, and discloses an installation process of a folding hatch cover, which is used for installing the folding hatch cover at a hatch coaming and comprises the following steps: positioning the folding hatch cover at the hatch coaming; a longitudinal limiting piece and a transverse limiting piece are arranged on the side edge of the folding hatch cover; a guide rail is preassembled at the hatch coaming, and a roller is preassembled on the folding hatch cover; pre-mounting the folding hatch cover at the hatch coaming by end hinges; mounting a driving device at the folding hatch cover and the hatch coaming; and opening the folding hatch cover through the driving device, and debugging and welding the end hinge, the roller and the guide rail. The mounting process of the folding hatch cover provided by the invention optimizes the assembly relation of accessories and reduces the assembly clearance, thereby having the advantages of high mounting efficiency and good mounting quality.
Description
Technical Field
The invention relates to the field of ship installation, in particular to an installation process of a folding hatch cover.
Background
The existing folding hatch cover is rarely installed on a jig frame to carry out folding experiments, the size deviation is not easy to check, and the consequence that the hatch cover cannot be opened after installation is easily caused; according to the process, the folding experiment is firstly carried out on the jig frame, the precision of the folding hatch cover is guaranteed through inspection, and then ocean rushing points are punched on the hatch cover and the hatch coaming for positioning before installation, so that the installation period is shortened, and the installation precision is improved.
Disclosure of Invention
The invention aims to provide an installation process of a folding hatch cover, which optimizes the assembly relation of accessories and reduces the assembly clearance, thereby having the advantages of high installation efficiency and good installation quality.
The invention provides an installation process of a folding hatch cover, which is used for installing the folding hatch cover at a hatch coaming. The mounting process of the folding hatch cover comprises the following steps: step 1, positioning a folding hatch cover at a hatch coaming; step 2, mounting a longitudinal limiting piece and a transverse limiting piece on the side edge of the folding hatch cover; step 3, pre-installing a guide device, wherein the guide device comprises a guide rail and a roller; a guide rail is preassembled at the hatch coaming, and rollers are preassembled on the folding hatch cover; step 4, pre-installing the folding hatch cover at the hatch coaming through the end hinge; step 5, mounting the driving device at the folding hatch cover and the hatch coaming; and 6, opening the folding hatch cover through a driving device, and debugging and welding the roller and the guide rail.
Embodiments of the present invention provide an installation process of a folding hatch cover, which may further have the following features, wherein the folding hatch cover includes: the hinge comprises a No. 1 cover plate, a No. 2 cover plate, a No. 3 cover plate, a No. 4 cover plate and a middle hinge, wherein the No. 1 cover plate and the No. 4 cover plate are positioned at two sides, and the No. 2 cover plate and the No. 3 cover plate are positioned in the middle; in step 1, a method for positioning a folding hatch cover at a hatch coaming comprises the following steps: step 1.1, placing a plurality of temporary supporting blocks at the periphery of a hatch coaming; step 1.2, respectively placing a No. 1 cover plate and a No. 4 cover plate on the temporary supporting block; step 1.3, respectively placing a No. 2 cover plate and a No. 3 cover plate above the temporary supporting block; step 1.4, moving the cover plate No. 1, the cover plate No. 4, the cover plate No. 2 and the cover plate No. 3 to positions corresponding to the hatch coaming respectively; and step 1.5, installing the No. 1 cover plate and the No. 2 cover plate together through a middle hinge, and installing the No. 3 cover plate and the No. 4 cover plate together through a middle hinge to form the folding hatch cover.
Embodiments of the present invention provide a process for installing a folding hatch cover, which may further have a feature in that the end hinge includes: an end hinge eye plate, an end hinge base and an end hinge body;
in step 4, the method for pre-assembling the folding hatch cover at the hatch coaming through the end hinge comprises the following steps: step 4.1, respectively installing the end hinge eye plates on a No. 1 cover plate and a No. 4 cover plate; step 4.2, mounting the end hinge base at the hatch coaming; and 4.3, connecting one end of the end hinge body with the end hinge eye plate, and connecting the other end of the end hinge body with the end hinge seat.
An embodiment of the present invention provides an installation process of a folding hatch cover, and may further have a feature in that the driving device includes: the oil cylinder lower base, the oil cylinder lower hinge seat and the oil cylinder are arranged on the oil cylinder lower hinge seat; in step 5, the method for installing the driving apparatus at the folding hatch cover and the hatch coaming includes the steps of: step 5.1, respectively installing the lower base of the oil cylinder on a No. 1 cover plate and a No. 4 cover plate; step 5.2, mounting the lower hinge seat of the oil cylinder at the hatch coaming; and 5.3, connecting one end of the oil cylinder with the lower base of the oil cylinder, and connecting the other end of the oil cylinder with the lower hinge base of the oil cylinder.
The installation process of the folding hatch cover provided by the embodiment of the invention can also have the following characteristics, wherein in the step 6, the method for opening the folding hatch cover through the driving device and debugging the end hinge, the roller and the guide rail comprises the following steps: step 6.1, driving the folding hatch cover through a driving device; step 6.2, adjusting the position between the roller and the guide rail to enable the roller to be in the center of the track of the guide rail, wherein the contact surface between the roller and the guide rail is larger than 50%; and 6.3, slowly opening the folding hatch cover to a vertical state, checking whether the roller is on the guide rail, and if not, adjusting the roller to the guide rail.
The embodiment of the invention provides an installation process of a folding hatch cover, which can also have the characteristics that the installation process further comprises the following steps: the installation of the periphery at the hatch coaming compresses tightly the band steel, compresses tightly the band steel and is used for with foldable hatch board's sealing washer looks adaptation to seal up the hatch coaming.
The embodiment of the invention provides an installation process of a folding hatch cover, which can also have the characteristics that the installation process further comprises the following steps: the drain valve is mounted on the folding hatch cover.
The embodiment of the invention provides an installation process of a folding hatch cover, which can also have the characteristics that the installation process further comprises the following steps: the end stop is mounted at the maximum position where the folding hatch is opened, thereby limiting the movement of the folding hatch.
The embodiment of the invention provides an installation process of a folding hatch cover, which can also have the characteristics that the installation process further comprises the following steps: and a locking device is arranged at the hatch coaming and used for compressing the folding hatch cover after the folding hatch cover is closed.
The embodiment of the invention provides an installation process of a folding hatch cover, which can also have the characteristics that the installation process further comprises the following steps: install the rapid compactor around foldable hatch board, the rapid compactor is used for locking foldable hatch board in foldable hatch board bath experiment.
Action and Effect of the invention
According to the installation process of the folding hatch cover provided by the invention, the installation process comprises the following steps: step 1, positioning a folding hatch cover at a hatch coaming; step 2, mounting a longitudinal limiting piece and a transverse limiting piece on the side edge of the folding hatch cover; step 3, preassembling a guide rail at the hatch coaming, and preassembling a roller on the folding hatch cover; step 4, pre-installing the folding hatch cover at the hatch coaming through the end hinge; step 5, mounting the driving device at the folding hatch cover and the hatch coaming; and step 6, the folding hatch cover is opened through the driving device, and the end hinge, the roller and the guide rail are debugged and welded, so that the assembly relation of accessories is optimized, the assembly clearance is reduced, and the folding hatch cover has the advantages of high installation efficiency and good installation quality.
Drawings
Fig. 1 is a flow chart of an installation process of a folding hatch cover in the present invention;
FIG. 2 is a schematic view of a folding hatch cover of the present invention; and
fig. 3 is a schematic view of the end hinge and drive arrangement installation of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is specifically described below by combining the embodiment and the attached drawings.
< example >
In the installation process of the foldable hatch cover provided by this embodiment, before installing the foldable hatch cover, the foldable hatch cover and the hatch coaming need to be detected, and the detection contents include: the inspection of the folding hatch cover and the inspection of the hatch coaming.
Detection of the folding hatch cover:
before the hatch cover is installed on a ship, the final assembly, welding correction, tolerance checking and measurement result recording of the hatch cover plate are all completed, the rubber groove is coated according to the specification, and rubber installation is completed;
the center line sample punching points of the cover plates are complete, hatch cover datum lines and reference marks are marked on the cover plates at the middle joint, and the distance between the two cover plates is determined;
connecting the cover plates together on a jig frame in a workshop, mounting a middle hinge, and then performing a cover plate folding experiment to ensure that the hatch cover steel structure and a hinge eye plate are not collided;
checking whether the connection of the middle hinges is parallel to each other and vertical to the main vertical reference plane;
measuring the distance from the eraser to the bottom of the eraser groove, measuring every 1 m, and writing the measured position on the hatch cover by using a marker; and (3) installing the compressed flat steel at the separated joint, determining the distance between the bottom of the rubber tank and the compressed flat steel according to the drawing requirements, and measuring and recording the compression amount at intervals of 1 meter.
And (3) detecting the hatch coaming:
checking the tolerance of the hatch coaming such as size, flatness and the like, determining a reference surface and a reference line, and stamping a mark on the upper edge of a panel of the hatch coaming, so that a cover plate on the hatch coaming is conveniently positioned;
marking the position of a roller guide rail reference line and a theoretical outer frame line of the hatch cover on the hatch coaming before the hatch cover is hoisted to a ship;
the end hinge base is hoisted to the ship according to the reinforcement;
the shipyard needs to ensure that the hatch coaming and the associated stressed components of the hatch cover are adequately reinforced.
Fig. 1 is a flow chart of an installation process of the folding hatch cover of the present invention. Fig. 2 is a schematic view of a folding hatch cover in the present invention.
As shown in fig. 1 and fig. 2, the installation process of the folding hatch cover provided by the present embodiment includes the following steps:
step 1, positioning a folding hatch cover 1 at the hatch coaming. Wherein, foldable hatch board includes: no. 1 apron 101, No. 2 apron 102, No. 3 apron 103, No. 4 apron 104 and middle hinge 105, the assembly and the location of foldable hatch board include the step:
step 1.1, placing a plurality of temporary supporting blocks 106 at the periphery of a hatch coaming;
step 1.2, respectively placing a No. 1 cover plate 101 and a No. 4 cover plate 104 on a temporary supporting block 106;
step 1.3, respectively placing a No. 2 cover plate 102 and a No. 3 cover plate 103 above a temporary supporting block 106;
step 1.4, moving the No. 1 cover plate 101, the No. 4 cover plate 104, the No. 2 cover plate 102 and the No. 3 cover plate 103 to positions corresponding to the hatch coaming respectively (the No. 1 cover plate 101 and the No. 4 cover plate 104 are pushed to the right and left in place, the central lines of the plates are required to be superposed, then the No. 2 cover plate 102 and the No. 3 cover plate 103 are pushed to the right in place, the No. 1-4 cover plates are required to be on the same central line, whether the left and right numerical values of the base lines of the 3 middle closure seams are the same or not is checked, and finally, the left and right fixed;
and step 1.5, pushing the plates to be consistent with theoretical values according to the difference value between the values of the frame lines and the folding seams on the hatch coaming and the base line, installing a middle hinge 105, and leaning against the front and rear code plates to prevent the compression amount of the middle seam of the hatch cover from failing to meet the requirement.
It should be noted that: the center control lines of the cover plates 103 and 104 are the same as those in the case of assembly, and the corresponding separation gaps reach the specified values of the rubber compression amount.
And 2, mounting a longitudinal limiting piece 2 and a transverse limiting piece 3 on the side edge of the folding hatch cover 1 to prevent the folding hatch cover 1 from deviating from the mounting position in the process of mounting the folding hatch cover 1.
And step 3, pre-installing a guide device 4, wherein the guide device comprises a guide rail and a roller. The guide rail is preassembled at the hatch coaming, and the roller is preassembled on the folding hatch cover 1.
Fig. 3 is a schematic view of the end hinge and drive arrangement installation of the present invention.
And 4, pre-installing the folding hatch cover at the hatch coaming through the end hinge 5. Wherein, as shown in fig. 3, the end hinge includes: an end hinge eye plate 501, an end hinge mount 502, and an end hinge body 503. The method for mounting the end hinge 5 comprises the following steps:
step 4.1, the end hinge eye plate 501 is respectively installed on the cover plate No. 1 101 and the cover plate No. 4 104. The hinge base lines must be carefully calibrated on the horizontal plane and the vertical plane, and then the end hinge eye plate 501 is welded to ensure that the folding motion of the folding hatch cover 1 is smoothly carried out;
step 4.2, determining the accurate position of the end hinge base 502 by using a sample rod, and welding the end hinge base 502 at the hatch coaming;
step 4.3, one end of the end hinge body 503 is connected with the end hinge eye plate 501, and the other end is connected with the end hinge seat 502.
And 5, installing the driving device 6 at the folding hatch cover and the hatch coaming. Wherein, drive arrangement includes: a cylinder lower base 601, a cylinder lower hinge base 602 and a cylinder 603. The method for installing the driving device at the folding type hatch cover and the hatch coaming comprises the following steps:
step 5.1, respectively welding the lower base 601 of the oil cylinder on the No. 1 cover plate 101 and the No. 4 cover plate 104;
step 5.2, welding the lower hinge base 602 of the oil cylinder at the hatch coaming;
and 5.3, connecting one end of the oil cylinder 603 with the oil cylinder lower base 601, and connecting the other end with the oil cylinder lower hinge base 602.
Step 6, the foldable hatch cover is opened through the driving device 6, and the roller and the guide rail are debugged and welded, and the method comprises the following steps:
step 6.1, removing the temporary supporting block 106, the longitudinal limiting piece 2 and the transverse limiting piece 3, and driving 6 the folding hatch cover 1 through the driving device. Before debugging, all hydraulic systems are ensured to complete work (a pump station works normally), all bearings are filled with lubricating oil, and rolling bearings on the roller wheels are adjusted, namely the rolling bearings can be rotated manually but do not move axially; and air is not reserved in the hydraulic system, and when the oil cylinder is filled with oil, the oil in the oil tank is not lower than the minimum height of the oil tank. When the folding hatch cover is opened for the first time, special caution is needed, the rotation condition of the end hinge, the motion condition between the oil cylinder and each plate and the motion condition of the roller on the guide rail need to be carefully checked; opening the hatch cover for the first time does not suggest that the rollers travel onto the ramp. The walking on the straight track is repeated to bring out the air in the oil cylinder and the pipeline.
And 6.2, adjusting the position between the roller and the guide rail to enable the roller to be in the center of the track of the guide rail, wherein the contact surface between the roller and the guide rail is larger than 50%.
And 6.3, slowly opening the folding hatch cover 1 to a vertical state, checking whether the roller is on the guide rail, and if not, adjusting the roller to the guide rail.
Step 6.4, check whether the entire folding hatch cover 1 is completely exposed from the opening of the cargo compartment, i.e. whether the panels are outside the end hatch coaming in the stowed position, and if necessary, trim the panel.
After the folding hatch cover 1 is installed, a pressing flat steel (not shown) is installed on the periphery of the hatch coaming and is used for being matched with a sealing ring of the folding hatch cover, so that the hatch coaming is sealed (a joint of the pressing flat steel is welded and ground flat to ensure that the contact surface of the pressing flat steel and a water-retaining rubber is smooth and continuous, the folding hatch cover is closed, the base line of a middle seam is checked and adjusted to meet the requirement, whether the roller can rotate freely or not is checked again, namely whether the gap between the roller and a guide rail meets the requirement of a drawing or not is checked); installing a water escape valve (not shown) on the folding hatch cover; an end stop device (not shown) is installed at the maximum position where the folding hatch is opened, thereby limiting the movement of the folding hatch 1; a locking device (not shown) is arranged at the hatch coaming and is used for compressing the folding hatch cover 1 after the folding hatch cover is closed; install fast compactor 7 around foldable hatch board, fast compactor 7 is used for locking foldable hatch board in foldable hatch board 1 bath experiment. After the foldable hatch cover 1 is successfully debugged, the shipyard finishes all welding works, polishes all welding smoothly, removes welding spatters, and ensures that the contact surface of the compressed flat steel and the rubber is smooth and continuous. And after the completion, performing post-welding inspection of the hatch cover accessories on the shipowner, performing nondestructive inspection specified by classification society, and recording.
The sealing performance test steps of the folding hatch cover are as follows:
step 1, ensuring the surface of the eraser to be clean (no dust, paint and grease);
step 2, ensuring the smooth and continuous surface of the compressed flat steel and removing all paint on the compressed flat steel;
step 3, checking whether the rubber meets the requirement of the compression amount;
step 4, measuring and recording the rubber compression amount around the hatch coaming and reporting to inspect the shipeast;
and 5, locking the pressing device in place before the flushing test, carrying out the flushing test according to the relevant requirements of the classification society and requiring the approval of the onsite shipowner and the ship inspection.
System debugging
Each folding hatch 1 is subjected to a complete opening and closing test and the following is recorded: hydraulic opening pressure, opening time, hydraulic closing pressure, closing time, indicator light performance, performance of an emergency stop system, performance of an end stop device, performance of a quick compactor, performance of an emergency operation system. For the installation of the folding hatch covers, all shipyards can refer to the process to control the installation process according to the actual conditions of the shipyards, and finally the high-quality requirements of shipowners are met.
Effects and effects of the embodiments
According to the installation process of the folding hatch cover provided by the embodiment, the installation process comprises the following steps: step 1, positioning a folding hatch cover at a hatch coaming; step 2, mounting a longitudinal limiting piece and a transverse limiting piece on the side edge of the folding hatch cover; step 3, preassembling a guide rail at the hatch coaming, and preassembling a roller on the folding hatch cover; step 4, pre-installing the folding hatch cover at the hatch coaming through the end hinge; step 5, mounting the driving device at the folding hatch cover and the hatch coaming; and step 6, the folding hatch cover is opened through the driving device, and the end hinge, the roller and the guide rail are debugged and welded, so that the assembly relation of accessories is optimized, the assembly clearance is reduced, and the folding hatch cover has the advantages of high installation efficiency and good installation quality.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. A process for installing a folding hatch cover at a hatch coaming, comprising the steps of:
step 1, positioning the folding hatch cover at the hatch coaming;
step 2, mounting a longitudinal limiting piece and a transverse limiting piece on the side edge of the folding hatch cover;
step 3, preassembling a guide device, wherein the guide device comprises a guide rail and a roller; the guide rail is preassembled at the hatch coaming, and the roller is preassembled on the folding hatch cover;
step 4, pre-installing the folding hatch cover at the hatch coaming through an end hinge;
step 5, installing a driving device at the folding hatch cover and the hatch coaming;
and 6, opening the folding hatch cover through the driving device, and debugging and welding the roller and the guide rail.
2. A process of installing a folding hatch cover according to claim 1, characterised in that:
wherein the folding hatch comprises: the hinge comprises a No. 1 cover plate, a No. 2 cover plate, a No. 3 cover plate, a No. 4 cover plate and a middle hinge, wherein the No. 1 cover plate and the No. 4 cover plate are positioned at two sides, and the No. 2 cover plate and the No. 3 cover plate are positioned in the middle;
in step 1, a method of positioning the folding hatch cover at the hatch coaming comprises the steps of:
step 1.1, placing a plurality of temporary supporting blocks at the periphery of the hatch coaming;
step 1.2, respectively placing the No. 1 cover plate and the No. 4 cover plate on the temporary supporting block;
step 1.3, respectively placing the No. 2 cover plate and the No. 3 cover plate above the temporary supporting block;
step 1.4, moving the No. 1 cover plate, the No. 4 cover plate, the No. 2 cover plate and the No. 3 cover plate to positions corresponding to the hatch coaming respectively;
and 1.5, mounting the No. 1 cover plate and the No. 2 cover plate together through the middle hinge, and mounting the No. 3 cover plate and the No. 4 cover plate together through the middle hinge to form the folding hatch cover.
3. A process of installing a folding hatch cover according to claim 2, characterised in that:
wherein the end hinge comprises: an end hinge eye plate, an end hinge base and an end hinge body;
in step 4, the method for pre-assembling the folding hatch cover at the hatch coaming through an end hinge comprises the following steps:
step 4.1, respectively installing the end hinge eye plates on the No. 1 cover plate and the No. 4 cover plate;
step 4.2, mounting the end hinge base at the hatch coaming;
and 4.3, connecting one end of the end hinge body with the end hinge eye plate, and connecting the other end of the end hinge body with the end hinge seat.
4. A process of installing a folding hatch cover according to claim 2, characterised in that:
wherein the driving device includes: the oil cylinder lower base, the oil cylinder lower hinge seat and the oil cylinder are arranged on the oil cylinder lower hinge seat;
in step 5, the method of installing a driving apparatus at the folding hatch cover and the hatch coaming includes the steps of:
step 5.1, respectively installing the lower base of the oil cylinder on the No. 1 cover plate and the No. 4 cover plate;
step 5.2, mounting the lower hinge seat of the oil cylinder at the hatch coaming;
and 5.3, connecting one end of the oil cylinder with the lower base of the oil cylinder, and connecting the other end of the oil cylinder with the lower hinge base of the oil cylinder.
5. A process of installing a folding hatch cover according to claim 1, characterised in that:
in step 6, the method for opening the folding hatch cover through the driving device and debugging the roller and the guide rail comprises the following steps:
step 6.1, driving the folding hatch cover through the driving device;
step 6.2, adjusting the position between the roller and the guide rail to enable the roller to be in the center of the track of the guide rail, wherein the contact surface between the roller and the guide rail is more than 50%;
and 6.3, slowly opening the folding hatch cover to a vertical state, checking whether the roller is on the guide rail, and if not, adjusting the roller to the guide rail.
6. The process of installing a folding hatch cover according to claim 1 further comprising the steps of: and installing compression flat steel at the periphery of the hatch coaming, wherein the compression flat steel is used for being matched with a sealing ring of the folding hatch cover so as to seal the hatch coaming.
7. The process of installing a folding hatch cover according to claim 1 further comprising the steps of: a drain valve is mounted on the folding hatch cover.
8. A process of installing a folding hatch cover according to claim 1, characterised in that:
also comprises the following steps: installing an end stop at a maximum position at which the folding hatch is opened, thereby limiting movement of the folding hatch.
9. A process of installing a folding hatch cover according to claim 1, characterised in that:
also comprises the following steps: installing a locking device at the hatch coaming, the locking device being configured to compress the folding hatch cover after the folding hatch cover is closed.
10. The process of installing a folding hatch cover according to claim 1 further comprising the steps of: installing a quick compactor around the folding hatch cover, wherein the quick compactor is used for locking the folding hatch cover in a folding hatch cover flushing experiment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010320968.8A CN111439352B (en) | 2020-04-22 | 2020-04-22 | Installation process of folding hatch cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010320968.8A CN111439352B (en) | 2020-04-22 | 2020-04-22 | Installation process of folding hatch cover |
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| CN111439352A true CN111439352A (en) | 2020-07-24 |
| CN111439352B CN111439352B (en) | 2020-12-25 |
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| CN115042918A (en) * | 2022-05-27 | 2022-09-13 | 中船黄埔文冲船舶有限公司 | Hydraulic drive folding type cabin cover emergency cabin opening structure and method |
| CN115123487A (en) * | 2022-07-25 | 2022-09-30 | 广州黄船海洋工程有限公司 | Integrated hoisting deformation control installation method for hatch coaming of translational hatch cover of bulk cargo ship |
| CN115195968A (en) * | 2022-07-15 | 2022-10-18 | 中船澄西扬州船舶有限公司 | Installation method for aligning hinge at end of folding hatch cover and strengthening opposite sides of oil cylinder base |
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| CN110877677A (en) * | 2019-10-30 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Integrated flat ground manufacturing method for translation type hatch cover system of large-scale ocean bulk cargo ship |
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| CN101797954A (en) * | 2010-03-29 | 2010-08-11 | 扬帆集团股份有限公司 | Method for mounting container hatch cover |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111439352B (en) | 2020-12-25 |
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