CN212076157U - Single-pile lifting appliance connected by flanges - Google Patents

Abstract

The utility model discloses flange joint's single pile hoist, including two annular main atress hoist cables, two hanging shafts, hoist roof beam, a plurality of supporting nuts and bolt, the upper end of two main atress hoist cables all is connected with the lifting hook, the lower extreme of two main atress hoist cables respectively with two hanging shaft connections, the upper surface interval of hoist roof beam is provided with two sets of otic placodes, two hanging shafts wear to locate respectively on two sets of otic placodes, the lower surface of hoist roof beam is in the same place through the top flange joint of a plurality of supporting bolts and nuts and single pile. The utility model discloses flange joint's single pile hoist when being connected with the single pile, does not need extra welding hoist and mount gudgeon, can improve work efficiency to reduce the hoist and mount cost.

Description

Single-pile lifting appliance connected by flanges

Technical Field

The utility model relates to a hoist especially relates to a hoist for hoisting single pile.

Background

Fig. 9 shows a schematic structural view of a large offshore mono pile 1 'with flanges 2' at the ends. In the hoisting operation of large single piles on the sea, a lifting appliance needs to be connected with the single pile 1 'to realize the turning and vertical hoisting of the single pile 1'. During connection, hoisting trunnions need to be welded on two sides of the single pile shown in fig. 9, the hoisting trunnions are not shown, and then hung on the hoisting trunnions through a steel wire rope sling pocket. Additionally welding hoisting trunnions on two sides of the single pile reduces the working efficiency and improves the hoisting cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a flange joint's single pile hoist, when it is connected with the single pile, do not need extra welding hoist and mount gudgeon, can improve work efficiency to reduce the hoist and mount cost.

The utility model discloses flange joint's single pile hoist, including two annular main atress hoist cables, two hanging shafts, hoist roof beam, a plurality of supporting nuts and bolt, the upper end of two main atress hoist cables all is connected with the lifting hook, the lower extreme of two main atress hoist cables respectively with two hanging shaft connections, the upper surface interval of hoist roof beam is provided with two sets of otic placodes, two hanging shafts wear to locate respectively on two sets of otic placodes, the lower surface of hoist roof beam is in the same place through the top flange joint of a plurality of supporting bolts and nuts and single pile.

The utility model discloses flange joint's single pile hoist, wherein, still include two vice atress hoist cables, two break out, a supporting beam, two vice atress hoist cables all are connected with the lifting hook, two lower extremes of vice atress hoist cables are connected with two break out respectively, two break out the interval connection on a supporting beam, a supporting beam supports between two main atress hoist cables, the width that a supporting beam supported just makes main atress hoist cable upper end be connected the lower extreme of back main atress hoist cable with the lifting hook can vertical state and hang hub connection.

The utility model discloses flange joint's single pile hoist, wherein, the lower surface of hoist and mount roof beam is provided with the boss that shears, the boss that shears is located the inboard of the two rows of screws that hoist and mount roof beam set up, and the hole clearance fit of the top flange of boss and single pile that shears.

The utility model discloses flange joint's single pile hoist, wherein, a supporting beam is H shape, including two ends and at least one interlude, the end is pegged graft with the interlude.

The utility model discloses flange joint's single pile hoist, wherein, still include an anticreep pole, the anticreep pole is fixed on a supporting beam and is located the outside of a supporting beam and the main contact surface who bears the force hoist cable.

The utility model discloses flange joint's single pile hoist, wherein, the flat of 150 tons of break-out adoption is broken out.

The utility model discloses flange joint's single pile hoist, wherein, main atress hoist cable adopts 500 tons of annular suspender.

The utility model discloses flange joint's single pile hoist, wherein, vice atress hoist cable adopts the diameter to be 72 mm's no joint becket.

The utility model discloses flange joint's single pile hoist and prior art difference lie in, the utility model discloses flange joint's single pile hoist passes through the top flange joint of bolt and nut with its hoist and mount roof beam and single pile together, does not need extra welding hoist and mount gudgeon before hoist and mount, has reduced the hoist and mount cost, has shortened the hoist and mount time, has improved work efficiency.

The flange-connected single-pile sling of the present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a front view of a single-pile hanger for flange connection according to the present invention;

FIG. 2 is an enlarged view taken at I in FIG. 1;

FIG. 3 is a front view of a support beam in the flanged single-pile spreader of the present invention;

FIG. 4 is a left side view of a support beam in the flanged single-pile spreader of the present invention;

fig. 5 is a front view of a hoisting beam in the flanged single-pile spreader of the present invention, in which a hanging shaft, nuts and bolts are shown;

fig. 6 is a left side view of a hoisting beam in the single-pile sling of the flange connection of the present invention;

fig. 7 is a top view of a hoisting beam in the flange-connected single-pile spreader of the present invention;

fig. 8 is a bottom view of a hoisting beam in the flanged single-pile spreader of the present invention;

FIG. 9 is a schematic structural view of a single pile to be hoisted;

fig. 10 is a state diagram of the single pile lifting tool for flange connection of the present invention when lifting a single pile;

fig. 11 is a schematic view of the flanged monopile hanger of the present invention of fig. 10 taken along the direction K;

fig. 12 is a state diagram of the flange-connected single-pile lifting appliance of the present invention during vertical lifting;

fig. 13 is an enlarged view at II in fig. 12.

Detailed Description

As shown in fig. 1, 2 and 12, the utility model discloses flanged connection's single pile hoist, including two annular main atress hoist cable 1, two hanging shafts 6, hoist and mount roof beam 7, a plurality of supporting nuts 8 and bolt 9, two main atress hoist cable 1's upper end all is connected with lifting hook 3 ', two main atress hoist cable 1's lower extreme is connected with two hanging shafts 6 respectively, as shown in fig. 5, 6, hoist and mount roof beam 7's upper surface interval is provided with two sets of otic placodes 72, two hanging shafts 6 wear to locate respectively on two sets of otic placodes 72, hoist and mount roof beam 7's lower surface links together through a plurality of supporting bolts 9 and nut 8 and single pile 1's top flange 2'. As shown in fig. 5 to 8, the lower surface of the hoisting beam 7 is provided with shear bosses 71, the shear bosses 71 are located inside the two rows of screw holes 73 provided in the hoisting beam 7, and the shear bosses 71 are in clearance fit with the inner holes 21 ' of the top flange 2 ' of the mono-pile 1 ' (see fig. 9 and 13).

As shown in fig. 1, the utility model discloses in flanged connection's single pile hoist, still include two vice atress hoist cables 2, two break out 3, a supporting beam 4 and 4 anticreep poles 5, two vice atress hoist cables 2 all are connected with lifting hook 3 ', the lower extreme of two vice atress hoist cables 2 is connected with two break out 3 respectively, two 3 interval connections that break out are on a supporting beam 4, a supporting beam 4 supports between two main atress hoist cables 1, the width that a supporting beam 4 supported just makes main atress hoist cable 1 upper end be connected back main atress hoist cable 1 with lifting hook 3 ' can be connected with hanger shaft 6 by vertical state. As shown in fig. 3 and 4, the support beam 4 is H-shaped, and includes two end heads and at least one middle section, and the end heads are inserted into the middle section. As shown in fig. 1 and 3, the anti-drop bar 5 is fixed to the support beam 4 and is located outside the contact surface between the support beam 4 and the main load receiving sling 1.

The utility model discloses in flange joint's single pile hoist, 3 flat shackles that adopt 150 tons of breaking out, and main atress hoist cable 1 adopts 500 tons of annular suspender, and vice atress hoist cable 2 adopts the diameter to be 72 mm's endless loop.

Utilize the utility model discloses during flange joint's single pile hoist and mount single pile, can realize that the level lifts by crane, stands up in the air, vertical hoisting, the process as follows:

as shown in fig. 10 and 11, initially, the single pile 1 ' is horizontally placed, the hoisting beam 7 of the single pile spreader is connected with the top flange 2 ' of the single pile 1 ' through the bolt 9 and the nut 8, the C-shaped tail slide hook 4 ' is connected with the end of the single pile 1 ', and is slowly lifted, the bolt 9 of the single pile spreader bears large tensile force and shearing force, in order to overcome the shearing force of the bolt 9, the shearing resistant boss 71 is arranged on the lower surface of the hoisting beam 7 of the single pile spreader, and is embedded into the inner hole of the top flange 2 ' of the single pile 1 ', so that the structure greatly reduces the connection number of flange bolts, and improves the safety of the single pile spreader.

And (3) lifting the single-pile lifting appliance, horizontally pushing the tail sliding hook 4 'forward to complete the turnover of the single pile 1', and then removing the tail sliding hook 4 ', as shown in figure 12, vertically lifting the single pile 1' to a specified place by the single-pile lifting appliance, and completing the lifting.

The utility model discloses when flange joint's single pile hoist and single pile are connected, through flange bolted connection, do not need extra welding hoist and mount gudgeon, improved work efficiency to reduce the hoist and mount cost, improved the security of operation.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (8)

1. The utility model provides a single pile hoist of flange joint which characterized in that: the lifting device comprises two annular main stress slings (1), two lifting shafts (6), a lifting beam (7), a plurality of matched nuts (8) and bolts (9), wherein the upper ends of the two main stress slings (1) are connected with lifting hooks (3 '), the lower ends of the two main stress slings (1) are respectively connected with the two lifting shafts (6), two sets of lug plates (72) are arranged on the upper surface of the lifting beam (7) at intervals, the two lifting shafts (6) are respectively arranged on the two sets of lug plates (72) in a penetrating mode, and the lower surface of the lifting beam (7) is connected with a top flange (2 ') of a single pile (1 ') through the plurality of matched bolts (9) and nuts (8).

2. The flanged monopile hanger of claim 1, wherein: the lifting hook is characterized by further comprising two auxiliary stress slings (2), two shackles (3) and a supporting beam (4), wherein the two auxiliary stress slings (2) are connected with the lifting hook (3'), the lower ends of the two auxiliary stress slings (2) are respectively connected with the two shackles (3), the two shackles (3) are connected onto the supporting beam (4) at intervals, the supporting beam (4) is supported between the two main stress slings (1), the width supported by the supporting beam (4) just enables the upper end of the main stress sling (1) to be connected with the lifting hook, and then the lower end of the main stress sling (1) can be connected with a lifting shaft (6) in a vertical state.

3. The flanged monopile hanger of claim 2, wherein: the lower surface of the hoisting beam (7) is provided with a shear-resistant boss (71), the shear-resistant boss (71) is positioned on the inner side of two rows of screw holes (73) formed in the hoisting beam (7), and the shear-resistant boss (71) is in clearance fit with an inner hole of a top flange (2 ') of the single pile (1').

4. The flanged monopile hanger of claim 3, wherein: the supporting beam (4) is H-shaped and comprises two ends and at least one middle section, and the ends are spliced with the middle section.

5. The flanged monopile hanger of claim 4, wherein: the anti-falling device is characterized by further comprising 4 anti-falling rods (5), wherein the anti-falling rods (5) are fixed on the supporting beam (4) and are positioned on the outer side of the contact surface of the supporting beam (4) and the main stress sling (1).

6. The flanged monopile hanger of claim 5, wherein: the shackle (3) adopts a 150-ton flat shackle.

7. The flanged monopile hanger of claim 6, wherein: the main stress sling (1) adopts a 500-ton annular sling.

8. The flanged monopile hanger of claim 7, wherein: the auxiliary stress sling (2) adopts an endless loop with the diameter of 72 mm.

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