CN115973337A - Marine transportation binding device and method for whole machine transportation of large portal crane - Google Patents
Marine transportation binding device and method for whole machine transportation of large portal crane Download PDFInfo
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- CN115973337A CN115973337A CN202211641725.XA CN202211641725A CN115973337A CN 115973337 A CN115973337 A CN 115973337A CN 202211641725 A CN202211641725 A CN 202211641725A CN 115973337 A CN115973337 A CN 115973337A
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Abstract
The invention discloses a marine transportation binding device and a marine transportation binding method for the complete machine transportation of a large portal crane, wherein the marine transportation binding device comprises a stay bar binding component, a rotary binding component and a boom support component; the stay bar binding assembly comprises a stay bar and a cart walking stop; the rotary binding assembly comprises a lower rotary column-gantry binding part, a turntable front reinforcing part, a turntable rear reinforcing part and a gantry tensioning cable binding part; the arm support supporting component comprises an arm support rest, a flexible binding component and a hinge point binding component. The invention has small influence on the field of users, good integrity of the whole machine and quick machine exchange, saves the use cost of a large-scale floating crane and reduces the installation cost.
Description
Technical Field
The invention relates to a shore bridge marine transportation technology, in particular to a marine transportation binding device and method for the whole transportation of a large portal crane.
Background
Along with the improvement of the requirement of users on the integrity of the large portal crane, the development of large complete machine transportation ships and the short field machine-handing period, the large portal crane gradually adopts a complete machine transportation mode, and the complete machine transportation becomes the trend of future development. Considering that the portal crane has small track gauge and high gravity center height, a set of binding device which is in line with the marine transportation safety of the large portal crane is designed, and the safety of the portal crane in the marine transportation process is ensured to be necessary.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a marine binding device and a marine binding method for the whole machine transportation of a large portal crane, which have small influence on the site of a user, good integrity of the whole machine and quick machine handing, avoid the use cost of a large floating crane and reduce the installation cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
on one hand, the marine transportation binding device for the whole machine transportation of the large portal crane comprises a stay bar binding component, a rotary binding component and an arm support supporting component;
the stay bar binding assembly comprises a stay bar and a cart walking stop; the upper end of the stay bar is connected with a portal frame of the crane, and the lower end of the stay bar is connected with a deck of the transport ship; the cart walking stop is arranged on a deck of the transport ship and is in contact with wheel rims of the crane;
the rotary binding assembly comprises a lower rotary column-gantry binding part, a turntable front reinforcing part, a turntable rear reinforcing part and a gantry tensioning cable binding part; the lower rotary column-portal binding part is used for connecting a lower rotary column and a portal of the crane; the reinforcing part at the front part of the turntable and the reinforcing part at the rear part of the turntable are used for fixing the turntable of the crane; the upper end of the portal tensioning cable binding part is connected with a turntable of the crane, and the lower end of the portal tensioning cable binding part is connected with the deck;
the lower rotary column-portal binding part is mainly used for fixing the relative position between the lower rotary column and the portal seat so as to protect the rotary bearing from being damaged by the marine transportation swinging force; the reinforcing part at the front part of the rotary table and the reinforcing part at the rear part of the rotary table are mainly used for fixing the rotary table and the door frame, so that the relative displacement between the door frame and the rotary table caused by the marine transportation swinging force is avoided, and further the stress exceeding the use working condition is generated to cause the tearing of the component steel plate.
The arm support supporting component comprises an arm support rest, a flexible binding component and a hinge point binding component; the lower end of the arm support rest is connected with the deck, and the upper end of the arm support rest is connected with an arm support of the crane; the lower end of the flexible binding component is connected with the deck, and the upper end of the flexible binding component is connected with the upper end of the arm support shelf; the lower end of the hinge point binding assembly is connected with the deck, and the upper end of the hinge point binding assembly is connected with the hinge point of the arm support.
Preferably, the brace rods are symmetrically arranged at 12 pieces at the outer side of the portal frame, wherein 8 pieces are arranged along the width direction of the transport ship, and 4 pieces are arranged along the length direction of the transport ship.
Preferably, the stay bar comprises a spiral pipe and an inserting plate arranged at the end part of the spiral pipe;
the plug board at one end of the spiral pipe is welded with the door leg partition board of the door frame through ribs, and the plug board at the other end of the spiral pipe is welded with the deck through ribs.
Preferably, 32 cart walking stoppers are symmetrically arranged;
the circular arc edge of the cart walking stop block is in contact with the wheel rim, and the bottom edge of the circular arc edge is welded on the temporary track of the deck.
Preferably, the binding parts of the portal tensioning inhaul cables are arranged in 4 groups;
each group of gantry tensioning stay cable binding parts comprises a steel stranded rope, an oil cylinder tensioning device, an adjustable screw and a pulling plate; the oil cylinder tensioning device is arranged on the deck, the output side of the oil cylinder tensioning device is connected with the steel stranded rope through the adjustable screw rod, the steel stranded rope is connected with the pulling plate, and the pulling plate is connected with the rotary table.
Preferably, the upper end of the arm support placing frame is provided with an ear plate, a pin shaft and a shaft clamping plate which are connected with the arm support;
the flexible binding component comprises 4 steel wire ropes with the diameter of 28 mm;
the hinge point binding assembly comprises a support arranged on the deck, a lifting hook arranged on the support and a steel wire rope used for connecting the lifting hook with the hinge point.
On the other hand, the marine binding method for the whole transportation of the large portal crane adopts the marine binding device for the whole transportation of the large portal crane to execute the following steps:
s1, according to the carrying of the transport ship, marking out a track line of a cart travelling mechanism of the crane, a central line of the arm support placing frame and an installation line of the support rod in advance;
s2, installing the arm support supporting component according to the marked central line of the arm support placing frame;
s3, the crane is pulled to the transport ship, and the cart walking stop, the support rod and the rotary binding assembly are installed;
s4, the arm support is laid down and is connected and fixed with the arm support placement frame;
s5, installing the gantry tensioning stay cable binding part;
s6, after the transport ship arrives at the destination, the support rod is firstly detached, and the gantry tensioning stay cable binding part and the boom rest are loosened to separate the boom; towing the crane onshore;
and S7, taking back the disassembled related components.
The invention provides a marine transportation binding device and method for the complete machine transportation of a large portal crane. The influence on the user field is small, the integrity of the whole machine is good, and the machine is fast to exchange. The use cost of a large floating crane is saved, the installation cost is reduced, and the whole machine transportation of the large portal crane is realized by adopting a plurality of pairs of welding support rods, a portal tensioning stay cable binding part and a boom rest.
Drawings
FIG. 1 is a schematic view of a strut lashing assembly of the marine lashing device of the present invention;
FIG. 2 is a schematic view of a rotary ligating assembly in the marine ligating device of the invention;
FIG. 3 is a diagrammatic illustration of the lower rotary post-mast lashing member of the marine lashing apparatus of the present invention, with (a) in front elevation and (b) in the direction A of (a);
FIG. 4 is a schematic view of the reinforcing member of the forward portion of the turntable in the marine lashing device of the present invention;
FIG. 5 is a schematic view of a portal tensioning cable tie member of the marine lashing device of the present invention;
figure 6 is a schematic view of the arm support assembly of the marine lashing device of the present invention.
Detailed Description
In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.
The invention provides a marine binding device for whole machine transportation of a large-scale portal crane, which comprises a stay bar binding assembly, a rotary binding assembly and an arm support supporting assembly.
Referring to fig. 1, the stay bar binding assembly comprises a stay bar 1 and a cart walking stopper.
The upper end of the stay bar 1 is connected with a portal frame 2 of the crane, and the lower end is connected with a deck 3 of the transport ship.
The stay bar 1 is symmetrically provided with 12 pieces at the outer side of the portal frame 2, wherein 8 pieces are arranged along the width direction of the transport ship, and 4 pieces are arranged along the length direction of the transport ship. The 12-piece support rod 1 can overcome the transverse swinging, longitudinal swinging and upward throwing force generated by the marine acceleration.
The stay bar 1 comprises a spiral pipe and an inserting plate arranged at the end part of the spiral pipe. The inserting plate at one end of the spiral pipe is welded with the door leg partition plate of the door frame 2 through ribs, and the inserting plate at the other end of the spiral pipe is welded with the deck 3 through ribs, so that the force transmission at two ends of the support rod 1 is ensured.
32 cart walking backstops are symmetrically arranged, the arc edges of the cart walking backstops are in contact with wheel rims, and the bottom edges of the cart walking backstops are welded on temporary tracks of the deck 3.
The raceway beam on the transport ship is a customized special tooling piece, and is laid according to the rolling track gauge (or the base gauge) of transport equipment, and the raceway beam rolls to two ends of the beam and aligns to main reinforcing ribs on the ship. And after the raceway beam is laid, fixing the raceway beam and the ship deck by using the clamping plate.
As shown in fig. 2, the rotary binding assembly includes a lower rotary column-gantry binding component 4, a turntable front reinforcing component 5, a turntable rear reinforcing component 6, and a gantry tensioning cable binding component 7.
Referring to fig. 3, the lower rotary column-gantry binding member 4 is used to connect the lower rotary column and the gantry 2 of the crane, and mainly overcomes the relative rotation and overturning between the lower rotary column and the gantry 2 due to the shipping acceleration, so as to protect the slewing bearing from the damage of the marine transportation swinging force.
As shown in fig. 4, the reinforcing member 5 at the front part of the turntable and the reinforcing member 6 at the rear part of the turntable are used for fixing the turntable 8 and the gantry of the crane, so that the relative displacement between the gantry and the turntable caused by the marine swing force is avoided, further, stress exceeding the use working condition is generated to cause the tearing of the steel plate of the component, and the support rod 501 of the reinforcing member 5 at the front part of the turntable is connected with the upper support ring to reduce the impact of the rotating part on the gantry in the shipping process.
The upper end of the portal tensioning inhaul cable binding part 7 is connected with a rotary table 8 of the crane, and the lower end of the portal tensioning inhaul cable binding part is connected with the deck 3, so that the overturning force caused by rolling and pitching in the shipping process due to the fact that the center of gravity of the rotary table 8 is high is overcome.
4 groups of portal tensioning cable binding parts 7 are arranged.
As shown in fig. 5, each group of gantry tensioning guy cable binding members 7 comprises a steel strand 701, a cylinder tensioning device 702, a tool cable 703 and a pulling plate 704; the oil cylinder tensioning device 702 is arranged on the deck through a lifting lug 705, and the output side of the oil cylinder tensioning device 702 is sequentially connected with a pulling plate 704, a tool cable 703 and a steel strand 701.
As shown in fig. 6, the boom support assembly includes a boom rest 9, a flexible binding assembly 10, and a hinge point binding assembly.
The lower end of the arm support rest 9 is connected with the deck 3 in a welding way, and the upper end of the arm support rest is connected and fixed with an arm support 11 of the crane through an ear plate, a pin shaft and a shaft clamping plate so as to overcome the acting force generated by the transverse swing of a transport ship in the marine transportation process.
The lower end of the flexible binding component 10 is connected with the deck 3, and the upper end is connected with the upper end of the arm support rest 9.
The flexible binding assembly 10 comprises 4 steel wire ropes with the diameter of 28, and matched 10t turnbuckles, rope clamps, 16t shackles and the like, and the 4 steel wire ropes with the diameter of 28 are used for stabilizing to prevent the overturning of the arm support rest 9.
The lower end of the hinge point binding component is connected with the deck, and the upper end of the hinge point binding component is connected with the hinge point of the arm support 11.
The hinge point binding assembly comprises a support 12 arranged on the deck 3, a lifting hook arranged on the support and a steel wire rope 13 used for connecting the lifting hook and the hinge point.
The invention also provides a marine binding method for the whole transportation of the large-scale portal crane, and the marine binding device for the whole transportation of the large-scale portal crane executes the following steps:
s1, according to the integral structure of the crane, a lower column-portal binding component 4, a turntable front reinforcing component 5 and a turntable rear reinforcing component 6 can be installed in advance and removed after being delivered; the ear plates of the steel strands in the portal tensioning stay cable binding part 7 are pre-installed in the manufacturing stage of the structural part, sand and paint are washed along with the body (the coating process and the paint are the same as the structure of the body), the ear plates are not removed after shipment, and the steel strands, the tensioning oil cylinders and the like are removed after the ship is unloaded from the whole machine and then are brought back along with the ship;
s2, according to the cargo allocation of the transport ship, marking out a track line of a cart travelling mechanism of the crane, a central line of an arm support shelf 9 and an installation line of the stay bar 1 in advance, ensuring that the stay bar 1 is aligned with a strong rib under a deck 3, and welding an ear plate (alignment rib) for binding a tensioning inhaul cable on the deck 3 in advance;
s3, installing the arm support placing frame 9 according to the marked central line of the arm support placing frame 9, connecting the upper opening of a steel wire rope component of the overturn-preventing flexible binding component 10 with a lifting lug welded on a deck of a ship in advance through a 16T shackle, adjusting a 10T screw buckle to be the longest, connecting the 10T screw buckle with a lug plate in advance through the shackle, and tightening the screw buckle to tension the steel wire rope;
and S4, the crane pulls the crane to go onto the ship by using 4 self-contained winches on the ship, so that the walking center line of the cart is basically consistent with the center line which is scribed on the deck 3 in advance. The large vehicle walking bumper is installed by adopting symmetrical welding, the arc edge is aligned to the rim of the wheel, and the bottom edge is welded with the raceway beam panel. Welding two ends of the integrally manufactured stay bar 1 with the portal frame 2 and the deck 3 respectively (strengthening the ship tendons must be ensured);
s5, the arm support 11 is placed down, the weight of the arm support 11 is placed on the arm support placing frame 9, and a pin shaft and a shaft clamping plate are installed to fix the arm support 11;
s6, forming a component by the steel strand, the pulling plate, the tensioning device and the adjusting screw, and selecting the maximum stroke. Installing the steel strand assembly on a pre-welded lifting lug by using a chain block, and stressing and pulling the steel strand to 30T by using a special tool hollow oil cylinder;
s7, after the door crane ship is transported to a user wharf, the stay bar 1 is firstly removed, the tensioning oil cylinder in the door frame tensioning device is loosened, the tensioning oil cylinder is removed from the lifting lug, the arm support 11 is pulled up by electrifying, and the arm support 11 and the arm support rest 9 are separated. A hoist on a ship is used for dragging the crane to the shore, a cart enters a track of the crane, a gantry crane enters an anchor position, a windproof measure is made, and a 80t truck crane is used for dismantling a steel strand in the tensioning device and the rest upper part of the steel strand is internally bound;
s8, the disassembled pin shafts are boxed, the steel strand assemblies are coiled and then placed into the frame, all binding support rods are loaded on a ship and stacked, and corresponding binding is carried out, so that the binding support rods are used along with the ship.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a marine transportation ligature device that is used for large-scale high pedestal jib crane complete machine to transport which characterized in that: the device comprises a stay bar binding component, a rotary binding component and a boom support component;
the stay bar binding assembly comprises a stay bar and a cart walking stop; the upper end of the support rod is connected with a portal frame of the crane, and the lower end of the support rod is connected with a deck of the transport ship; the cart walking stop is arranged on a deck of the transport ship and is in contact with wheel rims of the crane;
the rotary binding assembly comprises a lower rotary column-gantry binding part, a turntable front reinforcing part, a turntable rear reinforcing part and a gantry tensioning cable binding part; the lower rotary column-portal binding part is used for connecting a lower rotary column and a portal of the crane; the reinforcing part at the front part of the turntable and the reinforcing part at the rear part of the turntable are used for fixing the turntable of the crane; the upper end of the portal tensioning cable binding component is connected with a turntable of the crane, and the lower end of the portal tensioning cable binding component is connected with the deck;
the arm support supporting component comprises an arm support rest, a flexible binding component and a hinge point binding component; the lower end of the arm support rest is connected with the deck, and the upper end of the arm support rest is connected with an arm support of the crane; the lower end of the flexible binding component is connected with the deck, and the upper end of the flexible binding component is connected with the upper end of the arm support shelf; the lower end of the hinge point binding assembly is connected with the deck, and the upper end of the hinge point binding assembly is connected with the hinge point of the arm support.
2. The marine binding device for the whole large-scale portal crane to transport according to claim 1, is characterized in that: 12 brace rods are symmetrically arranged on the outer side of the portal frame, wherein 8 brace rods are arranged in the ship width direction of the transport ship, and 4 brace rods are arranged in the ship length direction of the transport ship.
3. The marine binding device for the whole large-scale portal crane to transport according to claim 2, is characterized in that: the support rod comprises a spiral pipe and an inserting plate arranged at the end part of the spiral pipe;
the plug board at one end of the spiral pipe is welded with the door leg partition board of the door frame through ribs, and the plug board at the other end of the spiral pipe is welded with the deck through ribs.
4. The marine binding device for the whole large-scale portal crane to transport according to claim 1, is characterized in that: 32 cart walking stop dogs are symmetrically arranged;
the circular arc edge of the cart walking stop block is in contact with the wheel rim, and the bottom edge of the circular arc edge is welded on the temporary track of the deck.
5. The marine binding device for the whole large-scale portal crane to transport according to claim 1, is characterized in that: 4 groups of binding parts of the gantry tensioning stay cables are arranged;
each group of gantry tensioning stay cable binding parts comprises a steel strand rope, an oil cylinder tensioning device, an adjustable screw and a pulling plate; the oil cylinder tensioning device is arranged on the deck, the output side of the oil cylinder tensioning device is connected with the steel stranded rope through the adjustable screw rod, the steel stranded rope is connected with the pulling plate, and the pulling plate is connected with the rotary table.
6. The marine binding device for the whole large-scale portal crane to transport according to claim 1, is characterized in that: the upper end of the arm support placing frame is provided with an ear plate, a pin shaft and a shaft clamping plate which are connected with the arm support;
the flexible binding component comprises 4 steel wire ropes with the diameter of 28 mm;
the hinge point binding assembly comprises a support arranged on the deck, a lifting hook arranged on the support and a steel wire rope used for connecting the lifting hook with the hinge point.
7. A marine lashing method for the whole transportation of a large portal crane, which is characterized in that the marine lashing device for the whole transportation of the large portal crane according to any one of claims 1 to 6 is adopted to perform the following steps:
s1, according to the carrying of the transport ship, marking out a track line of a cart travelling mechanism of the crane, a central line of the arm support placing frame and an installation line of the support rod in advance;
s2, installing the arm support supporting component according to the marked central line of the arm support placing frame;
s3, the crane is pulled to the transport ship, and the cart walking stop, the support rod and the rotary binding assembly are installed;
s4, the arm support is laid down and is connected and fixed with the arm support placement frame;
s5, installing the gantry tensioning stay cable binding part;
s6, after the transport ship arrives at the destination, the support rod is firstly detached, and the gantry tensioning stay cable binding part and the boom rest are loosened to separate the boom; towing the crane onshore;
s7, taking back the disassembled related components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211641725.XA CN115973337A (en) | 2022-12-20 | 2022-12-20 | Marine transportation binding device and method for whole machine transportation of large portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211641725.XA CN115973337A (en) | 2022-12-20 | 2022-12-20 | Marine transportation binding device and method for whole machine transportation of large portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115973337A true CN115973337A (en) | 2023-04-18 |
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ID=85971600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211641725.XA Pending CN115973337A (en) | 2022-12-20 | 2022-12-20 | Marine transportation binding device and method for whole machine transportation of large portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115973337A (en) |
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2022
- 2022-12-20 CN CN202211641725.XA patent/CN115973337A/en active Pending
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