CN110937493A - Hoisting method of MARK III type enclosure system mounting platform module - Google Patents
Hoisting method of MARK III type enclosure system mounting platform module Download PDFInfo
- Publication number
- CN110937493A CN110937493A CN201911117223.5A CN201911117223A CN110937493A CN 110937493 A CN110937493 A CN 110937493A CN 201911117223 A CN201911117223 A CN 201911117223A CN 110937493 A CN110937493 A CN 110937493A
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- pin
- hoisting
- connecting sleeve
- platform module
- pigtail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
Abstract
The invention discloses a hoisting method of a MARK III type enclosure system mounting platform module, which specifically comprises the following steps: mounting the connecting sleeve on the distance keeping main board; inserting a connecting pin into the connecting sleeve and locking and fixing the connecting pin through a first pigtail pin to form a hoisting ring; fixing a connecting sleeve for hoisting a hoisting ring with an upright post of the enclosure system mounting platform module through a second pigtail pin; and connecting a crane hook with an eye plate of the hoisting ring, starting the crane, and hoisting the enclosure system mounting platform module. The assembled hoisting rings are fixed with the enclosure system mounting platform module without welding and polishing, and the pigtail anti-drop pins are adopted for fixing, so that the construction is very convenient.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a hoisting method of a MARK III type containment system installation platform module.
Background
The method is characterized in that a containment system installation platform is required to be used in the building process of an LNG ship and an LNG fuel tank of a MARK III type containment system, the containment system installation platform is usually divided into a plurality of small modules for pre-installation, the modules are installed and then sequentially hung in an LNG tank for carrying, and the following method is mainly used in the conventional hoisting process of the MARK III type containment system installation platform module:
the method comprises the following steps: and welding a conventional hanging ring on the enclosure system mounting platform module, and dismantling the hanging ring after the module is carried.
The method 2 comprises the following steps: the hanging strip or the steel wire rope is directly connected and fixed with the enclosure system mounting platform module, a plurality of hanging points are usually required to be arranged on the module, and the binding is not standard.
In the prior art, a special MARK III type enclosure system installation platform module hoisting device does not exist, and the existing module hoisting method has the following defects:
firstly, open fire operation is needed for installing and dismantling the hanging ring on the enclosure system installation platform, the damage of plywood in the area nearby the enclosure system installation platform is easily caused, and the strength of the easily damaged enclosure system installation platform is influenced by welding and dismantling the structure of the easily damaged enclosure system installation platform.
Secondly, the welding installation rings or the use of straps and steel wire ropes for direct hoisting need to be additionally provided with more reinforcements to reduce the deformation caused by hoisting, and are not beneficial to the control of module precision.
Thirdly, the operation steps of installing and welding the lifting ring and binding the lifting belt/steel wire rope are multiple and complicated, the construction efficiency is low, the lifting and carrying period of the module is greatly influenced, and the rapid promotion of the carrying and assembling of the subsequent module is not facilitated.
Fourthly, the safety coefficient of the existing hoisting mode is not high, the hoisting ring is difficult to inspect after being installed and tied by a hanging strip/steel wire, and the potential safety hazard is easy to exist.
Based on the reasons, the research on the assembly type hanging ring for hanging the MARK III type enclosure system mounting platform module is carried out, and the convenience of hanging the enclosure system module is improved through the assembly type hanging ring, so that the construction safety is improved, and the production efficiency is improved.
Disclosure of Invention
In view of the above, the invention provides a hoisting method of a MARK III type enclosure system mounting platform module, which solves the problems that when the previous enclosure system mounting platform module is hoisted, a hoisting ring is difficult to weld, a platform body is easy to damage, the platform body is not easy to control deformation of the platform, the construction efficiency is slow, and the safety is low.
A hoisting method of a MARK III type enclosure system mounting platform module is characterized in that the enclosure system mounting platform module is hoisted through a hoisting ring, the hoisting ring comprises a distance keeping main board, a connecting sleeve and a connecting pin, and an eye plate and a handle are fixed on the distance keeping main board;
the hoisting method specifically comprises the following steps:
s1, mounting the connecting sleeve on the distance keeping main board;
s2, inserting the connecting pin into the connecting sleeve and locking and fixing the connecting pin through the first pigtail pin to form a hoisting ring;
s3, fixing a connecting sleeve for hoisting a hoisting ring and an upright post of the enclosure system mounting platform module through a second pigtail pin;
and S4, connecting the lifting hook of the crane with the eye plate of the lifting ring, starting the crane, and lifting the enclosure system mounting platform module.
Preferably, the step S1 of mounting the connection sleeve on the distance keeping main board includes the following specific steps:
s11, sleeving the first baffle on the connecting sleeve, and welding the first baffle and the connecting sleeve on one side;
s12, inserting the connecting sleeve on the distance keeping mainboard to make the side surface of the first baffle without the weld leg contact with the distance keeping mainboard;
and S13, sleeving a second baffle on the connecting sleeve from the other side of the distance keeping main board, and welding the second baffle and the connecting sleeve on a single side.
Preferably, a gap of 1mm-3mm is kept between the lower end face of the first baffle plate without the welding leg and the distance keeping main plate, and a gap of 1mm-3mm is kept between the upper end face of the second baffle plate without the welding leg and the distance keeping main plate.
Preferably, a first chain is connected between the second pigtail pin and the distance keeping main board;
the connecting sleeve is of an inner hollow tubular structure, and a first jack and a second jack are formed in the connecting sleeve;
a first fixing hole and a second fixing hole are formed in the connecting pin, and a second chain is connected between the connecting pin and the distance keeping main board or the handle.
Preferably, the upright post is provided with a fixing pin, the fixing pin is provided with a third fixing hole,
the connecting pin is fixed in the connecting sleeve through a first pigtail pin which simultaneously passes through the second fixing hole and the first jack,
the connecting sleeve is sleeved on the outer side of the fixing pin and is locked and fixed with the fixing pin through a second pigtail pin which simultaneously passes through the second jack and the third fixing hole.
Preferably, the upright post is not provided with a fixed pin, the upright post is provided with a fourth fixed hole,
the connecting pin is fixed in the connecting sleeve through a first pigtail pin which simultaneously passes through the first fixing hole and the second jack, the lower end of the connecting pin extends out of the connecting sleeve,
the lower end of the connecting pin is inserted into the stand column and is locked and fixed with the stand column through a second pigtail pin which simultaneously passes through the second fixing hole and the fourth fixing hole.
Preferably, the first pigtail pin and the second pigtail pin have the same structure and comprise a horizontally arranged broken line section, a first arc line section connected to the end of the broken line section and a second arc line section connected to the end of the first arc line section.
Preferably, the broken line segment is L-shaped, and the second arc segment is semicircular.
Preferably, the eye plate is vertically fixed at the center of the upper end face of the distance maintaining main plate, and the included angle between the eye plate and the center line of the distance maintaining main plate is 45 degrees.
Preferably, the insertion end of the connecting pin is tapered, and the outer diameter of the connecting pin is 2mm to 4mm smaller than the inner diameter of the connecting sleeve.
The invention has the beneficial effects that:
1. the assembled hoisting rings are fixed with the enclosure system mounting platform module without welding and polishing, and the pigtail anti-drop pins are adopted for fixing, so that the construction is very convenient.
2. The invention adopts the distance-keeping main board to ensure that the distance-keeping main board is matched with the upright post of the mounting platform of the enclosure system to form an integral frame, no additional reinforcement is needed, the strength is higher and the effect of controlling deformation is better.
3. The invention avoids open fire operation generated by welding and dismantling the hanging ring, and can not damage the enclosure system mounting platform body and the plywood.
4. The invention has simple installation, is convenient to check whether the fixing is in place after the installation, is clear at a glance when the fixing is not installed, is easy to reset and can effectively reduce the safety risk.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Figure 1 is a top view of a lifting eye.
Figure 2 is a front view of a lifting eye.
Fig. 3 is a view of the mounting of the connection sleeve on the spacer board.
Fig. 4 is an installation view of the eye plate.
Fig. 5 is a schematic view of the structure of the connecting pin.
Fig. 6 is a using state diagram of a hoisting hanging ring when a fixing pin is arranged on an upright post of a platform module for installing the enclosure system.
Fig. 7 is a using state diagram of the hoisting hanging ring without the fixed pin on the upright post of the enclosure system mounting platform module.
The reference numerals in the figures have the meaning:
1 is a distance-keeping main board;
2 is an eye plate;
3 is a connecting sleeve, 311 is a first jack, 312 is a second jack, 32 is a first baffle, and 33 is a second baffle;
4 is a handle;
5 is a connecting pin, 51 is a first fixing hole, and 52 is a second fixing hole;
6 is a first pigtail pin, 61 is a broken line segment, 62 is a first arc line segment, and 63 is a second arc line segment;
7 is a second pigtail pin;
8 is a first chain;
9 is a second chain;
a is a column, A1 is a fixing pin, A11 is a third fixing hole, and A12 is a fourth fixing hole.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all 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 present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; "connect" can be a fixed connection, can also be a removable connection, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The invention provides a hoisting method of a MARK III type enclosure system mounting platform module, wherein the enclosure system mounting platform module is hoisted through a hoisting ring.
The hoisting hanging ring comprises a distance keeping main board 1, an eye plate 2, a connecting sleeve 3 and a connecting pin 5.
The distance keeping main board 1 is a rectangular board, and through holes for fixing the connecting sleeves 3 are formed in four corners of the distance keeping main board 1.
The connecting sleeve 3 is inserted and fixed on the distance keeping main board 1. The connecting sleeve 3 is of a hollow tubular structure, and a first insertion hole 311 and a second insertion hole 312 are formed in the connecting sleeve 3. The connecting sleeve 3 is fixedly sleeved with a first baffle 32 and a second baffle 33 which are respectively positioned above and below the distance keeping main board 1. The first baffle 32 and the second baffle 33 are both in single-side welding with the connecting sleeve 3, a gap of 1mm-3mm is kept between the lower end face of the first baffle 32 without the welding leg and the distance keeping main board 1, and a gap of 1mm-3mm is kept between the upper end face of the second baffle 33 without the welding leg and the distance keeping main board 1.
The eye plate 2 is vertically fixed in the center of the upper end surface of the distance main plate 1. The angle between the eye plate 2 and the center line of the distance keeping main plate 1 is 45 degrees.
The connecting pin 5 is inserted and fixed in the connecting sleeve 3 through a first pigtail pin 6. The connecting pin 5 is provided with a first fixing hole 51 and a second fixing hole 52, and a second chain 9 is connected between the connecting pin 5 and the distance keeping main board 1 or the handle 4. In this embodiment, the insertion end of the connecting pin 5 is tapered, and the outer diameter of the connecting pin 5 is 2mm to 4mm smaller than the inner diameter of the connecting sleeve 3.
The distance keeping main board 1 is further fixed with a handle 4 and a first chain 8, and the end of the first chain 8 is fixed with a second pigtail pin 7.
The first pigtail pin 6 and the second pigtail pin 7 have the same structure and comprise a horizontally arranged broken line section 61, a first arc line section 62 connected to the end part of the broken line section 61 and a second arc line section 63 connected to the end part of the first arc line section 62. The broken line section 61 is L-shaped, the second arc line section 63 is semicircular, the broken line section of the pigtail pin is an inserted fixed end, and the arc line section is an anti-release locking end.
The hoisting steps of the MARK III type enclosure system mounting platform module provided by the invention are as follows:
s1, the connection sleeve 3 is mounted on the standoff main board 1.
Specifically, firstly, the first baffle 32 is sleeved on the connecting sleeve 3, and single-side welding is adopted between the first baffle 32 and the connecting sleeve 3; then, inserting the connecting sleeve 3 on the distance keeping mainboard 1 to make the side surface without the welding leg of the first baffle 32 contact with the distance keeping mainboard 1; then, the second baffle 33 is sleeved on the connecting sleeve 3 from the other side of the distance keeping main plate 1, and single-side welding is adopted between the second baffle 33 and the connecting sleeve 3.
And S2, inserting the connecting pin 5 into the connecting sleeve 3 and locking and fixing the connecting pin through the first pigtail pin 6 to form the hoisting ring.
And S3, fixing the connecting sleeve 3 for hoisting the hoisting ring with the upright post A of the enclosure system mounting platform module through the second pigtail pin 7.
When the upright post a is provided with the fixing pin a1 (the fixing pin a1 is provided with a third fixing hole a11), the connecting pin 5 is fixed in the connecting sleeve 3 through the first pigtail pin 6 which simultaneously passes through the second fixing hole 52 and the first insertion hole 311; the connecting sleeve 3 is sleeved outside the fixing pin A1 and is locked and fixed with the fixing pin A1 through the second pigtail pin 7 which simultaneously passes through the second insertion hole 312 and the third fixing hole A11.
When the fixing pin A1 is not arranged on the upright post A, a fourth fixing hole A12 is arranged on the upright post A, the connecting pin 5 is fixed in the connecting sleeve 3 through the first pigtail pin 6 which simultaneously passes through the first fixing hole 51 and the second insertion hole 312, and the lower end of the connecting pin extends out of the connecting sleeve 3; the lower end of the connecting pin 5 is inserted into the upright post a and is locked and fixed with the upright post a by the second pigtail pin 7 which passes through the second fixing hole 52 and the fourth fixing hole a12 at the same time.
And S4, connecting the crane hook with the eye plate 2 of the hoisting ring, starting the crane, and hoisting the enclosure system mounting platform module.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The hoisting method of the MARK III type enclosure system mounting platform module is characterized in that the enclosure system mounting platform module is hoisted through a hoisting ring, the hoisting ring comprises a distance keeping main board, a connecting sleeve and a connecting pin, and an eye plate and a handle are fixed on the distance keeping main board;
the hoisting method specifically comprises the following steps:
s1, mounting the connecting sleeve on the distance keeping main board;
s2, inserting the connecting pin into the connecting sleeve and locking and fixing the connecting pin through the first pigtail pin to form a hoisting ring;
s3, fixing a connecting sleeve for hoisting a hoisting ring and an upright post of the enclosure system mounting platform module through a second pigtail pin;
and S4, connecting the lifting hook of the crane with the eye plate of the lifting ring, starting the crane, and lifting the enclosure system mounting platform module.
2. The method for hoisting the MARK III type containment system installation platform module of claim 1, wherein the step S1 of installing the connection sleeve on the distance keeping main board comprises the following specific steps:
s11, sleeving the first baffle on the connecting sleeve, and welding the first baffle and the connecting sleeve on one side;
s12, inserting the connecting sleeve on the distance keeping mainboard to make the side surface of the first baffle without the weld leg contact with the distance keeping mainboard;
and S13, sleeving a second baffle on the connecting sleeve from the other side of the distance keeping main board, and welding the second baffle and the connecting sleeve on a single side.
3. The method of hoisting a MARK iii type containment system mounting platform module of claim 2, wherein a gap of 1mm to 3mm is maintained between the lower end surface of the first baffle plate without the weld leg and the gauge main plate, and a gap of 1mm to 3mm is maintained between the upper end surface of the second baffle plate without the weld leg and the gauge main plate.
4. The method for hoisting the MARK III type containment system installation platform module of claim 1, wherein a first chain is connected between the second pigtail pin and the distance keeping main board;
the connecting sleeve is of an inner hollow tubular structure, and a first jack and a second jack are formed in the connecting sleeve;
a first fixing hole and a second fixing hole are formed in the connecting pin, and a second chain is connected between the connecting pin and the distance keeping main board or the handle.
5. The method for hoisting the MARK III type containment system installation platform module of claim 4, wherein the column is provided with a fixing pin, the fixing pin is provided with a third fixing hole,
the connecting pin is fixed in the connecting sleeve through a first pigtail pin which simultaneously passes through the second fixing hole and the first jack,
the connecting sleeve is sleeved on the outer side of the fixing pin and is locked and fixed with the fixing pin through a second pigtail pin which simultaneously passes through the second jack and the third fixing hole.
6. The method for hoisting the MARK III type containment system installation platform module of claim 4, wherein the vertical column is not provided with a fixing pin, the vertical column is provided with a fourth fixing hole,
the connecting pin is fixed in the connecting sleeve through a first pigtail pin which simultaneously passes through the first fixing hole and the second jack, the lower end of the connecting pin extends out of the connecting sleeve,
the lower end of the connecting pin is inserted into the stand column and is locked and fixed with the stand column through a second pigtail pin which simultaneously passes through the second fixing hole and the fourth fixing hole.
7. The method for hoisting a MARK iii type containment system installation platform module of claim 1, 5 or 6, wherein the first pigtail pin and the second pigtail pin have the same structure and comprise a horizontally arranged broken line section, a first arc line section connected to the end of the broken line section, and a second arc line section connected to the end of the first arc line section.
8. The method of hoisting a MARK iii type containment system installation platform module of claim 7, wherein the break line segment is L-shaped and the second arc line segment is semicircular.
9. The method of claim 1, wherein the eye plate is vertically fixed at the center of the upper end surface of the distance main plate, and the angle between the eye plate and the center line of the distance main plate is 45 °.
10. The method of hoisting a MARK iii type containment system mounting platform module of claim 1, wherein the insertion end of the connecting pin is tapered, and the outer diameter of the connecting pin is 2mm to 4mm smaller than the inner diameter of the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117223.5A CN110937493A (en) | 2019-11-15 | 2019-11-15 | Hoisting method of MARK III type enclosure system mounting platform module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117223.5A CN110937493A (en) | 2019-11-15 | 2019-11-15 | Hoisting method of MARK III type enclosure system mounting platform module |
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| Publication Number | Publication Date |
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| CN110937493A true CN110937493A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117223.5A Pending CN110937493A (en) | 2019-11-15 | 2019-11-15 | Hoisting method of MARK III type enclosure system mounting platform module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479022A (en) * | 2020-12-02 | 2021-03-12 | 沪东中华造船(集团)有限公司 | Hoisting method of enclosure system mounting platform module |
| CN112479023A (en) * | 2020-12-02 | 2021-03-12 | 沪东中华造船(集团)有限公司 | Hoisting device and hoisting method for enclosure system mounting platform module |
| CN112498619A (en) * | 2020-12-09 | 2021-03-16 | 江南造船(集团)有限责任公司 | Mounting method of pump tower triangular mast of MARK-III type containment system |
-
2019
- 2019-11-15 CN CN201911117223.5A patent/CN110937493A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479022A (en) * | 2020-12-02 | 2021-03-12 | 沪东中华造船(集团)有限公司 | Hoisting method of enclosure system mounting platform module |
| CN112479023A (en) * | 2020-12-02 | 2021-03-12 | 沪东中华造船(集团)有限公司 | Hoisting device and hoisting method for enclosure system mounting platform module |
| CN112498619A (en) * | 2020-12-09 | 2021-03-16 | 江南造船(集团)有限责任公司 | Mounting method of pump tower triangular mast of MARK-III type containment system |
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