WO2016173238A1

WO2016173238A1 - Floating crane and multifunctional suspension hook and multifunctional suspension hook group thereof

Info

Publication number: WO2016173238A1
Application number: PCT/CN2015/094332
Authority: WO
Inventors: 胡文佳; 管伟伟; 沈莹
Original assignee: 招商局重工（江苏）有限公司; 上海海事大学
Priority date: 2015-04-29
Filing date: 2015-11-11
Publication date: 2016-11-03
Also published as: CN104961043B; CN104961043A

Abstract

A floating crane and a multifunctional suspension hook and a multifunctional suspension hook group thereof are disclosed. The multifunctional suspension hook comprises a fixed pulley group (10), a movable pulley group (20), a guide pulley group (30), a suspension hook (50) and a wire rope (60). The fixed pulley group (10) can swing vertically round the first shaft pin (11) on its axis. The guide pulley group (30) can swing horizontally round the second shaft pin (31) on its axis. The movable pulley group (20) is arranged below the fixed pulley group (10). The suspension hook (50) is mounted at the lower end of the movable pulley group (20). The wire rope (60) winds the guide pulley group (30), the movable pulley group (20), the fixed pulley group (10), the movable pulley group (20) and the guide pulley group (30) in sequence. The multifunctional suspension hook can realize horizontal swing and vertical swing in a hoisting plane. The multifunctional suspension hook group consisting of two such kind of multifunctional suspension hooks is used in the floating crane, thereby realizing turning over of the large structural piece, and having the advantages of simple assembly and few hook changes. Without the auxiliary hanging beams the hoisting work is more convenient and efficient.

Description

Floating crane and multifunctional hook and multifunctional hook group thereof

Technical field

The invention relates to the field of marine engineering, in particular to a floating crane for marine engineering installation, a multifunctional hook and a multifunctional hook set.

Background technique

Floating crane is an important equipment necessary for marine engineering. It is widely used in the installation of offshore platforms, maintenance of derricks, installation of offshore wind power equipment, etc. At the same time, floating cranes are also important equipment for submarine operations. The existing floating cranes are classified into offshore floating cranes and deep sea working floating cranes according to their uses. Offshore floating cranes have a small weight, generally between 1000 and 3000 tons; the lifting weight for installation is not large, and is mainly used for the installation of large port equipment; and the lifting weight of deep sea operations is relatively large. At present, the largest floating crane in China has a lifting capacity of 12,000 tons. On a global scale, the lifting weight of floating cranes is also on the same level. With the development of marine engineering, the offshore engineering equipment has developed to a large scale, and its form has become more complex, and the construction process requirements have become higher and higher. The original floating cranes have been unable to meet the requirements of marine engineering (such as “Hua Tianlong” is 4000. Ton, it is necessary to add balance beam when hanging large structures of offshore structures. This kind of scheme is not suitable for the characteristics and requirements of construction of floating cranes for offshore equipment. It has low installation efficiency and single function, and various floating hooks are currently in the horizontal direction. The plane angle is basically 0°-5°, which seriously restricts the development of marine engineering.

Summary of the invention

In order to solve the above technical problem, the present invention provides a floating crane and a multifunctional hook and a multifunctional hook group thereof, wherein the multifunctional hook of the floating crane can realize lateral swing and longitudinal swing in a lifting plane, The multi-purpose hooks form a floating crane with a multi-functional hook group, which can realize the structure of large parts turning over and assembling easily, and the hooks are less, so that the auxiliary lifting beam can be cancelled, and the lifting operation is more convenient and efficient.

In order to achieve the above object, the present invention adopts the following technical solutions:

The invention discloses a multifunctional hook for a floating crane. The floating crane comprises a boom, a lifting mechanism and a reversing pulley. The multifunctional hook comprises a fixed pulley group, a movable pulley group, a guiding pulley group and a hook. And a wire rope, wherein: the fixed pulley block is mounted on the boom by a first axle pin, so that the fixed pulley block can The first axle pin is longitudinally oscillated as an axis; the guiding pulley block is mounted on the boom by a second axle pin, so that the guiding pulley block can swing laterally with the second axle pin as an axis; a pulley block is disposed under the fixed pulley block, and the hook is connected to a lower end of the movable pulley block; after the wire rope passes the hoisting mechanism through the reversing pulley block, the guide pulley block is sequentially wound, and the moving a pulley block, the fixed pulley block, the movable pulley block, the guiding pulley block, and finally wound by the reversing pulley block to the hoisting mechanism; so that the movable pulley block, the guiding pulley block, and the hook can The vertical direction is oscillated laterally about the vertical direction, and the fixed pulley block, the movable pulley set, and the hook can be longitudinally oscillated back and forth in the vertical direction.

Preferably, the multifunctional hook further includes a first connecting mechanism and a balance pulley set, wherein the first connecting mechanism is coupled to the fixed pulley block, and the balanced pulley block is mounted on the first connection by a third axle pin Institutionally, the balance pulley block can be laterally oscillated with the third axle pin as an axis; the wire rope is wound around the balance pulley block and the movable pulley block in sequence before or after winding to the fixed pulley block, so that the The balance pulley block and the movable pulley block, the guide pulley block and the hook together swing horizontally to the left and right in the vertical direction, and the balance pulley block and the fixed pulley block, the movable pulley block, and the suspension The hooks are longitudinally swayed back and forth in the vertical direction.

The invention also discloses a floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, and further comprising the above-mentioned multifunctional hook.

The invention further discloses a multifunctional hook set for a floating crane, the floating crane comprising a boom, a lifting mechanism and a reversing pulley set, the multifunctional hook group comprising two multifunctional hooks as described above Two of the multifunctional hooks are disposed adjacent to each other in the lateral direction.

Preferably, the multifunctional hook group further includes a second connecting mechanism and a total hook, the total hook is connected to a lower end of the second connecting mechanism, and the upper end of the second connecting mechanism is provided with two connections Pointing, respectively connecting the hooks of the two multi-function hooks.

Preferably, the two multifunctional hooks are arranged in mirror symmetry with respect to the vertical direction.

Preferably, the guide pulley sets of the two multifunctional hooks are disposed adjacent to each other in a lateral direction.

Preferably, the fixed pulley block and the guiding pulley block of the two multifunctional hooks are mounted on the same boom of the floating crane, and the wire ropes of the two multifunctional hooks are respectively independent of two of the floating cranes. The hoisting mechanism and the two sets of mutually independent reversing pulley blocks are respectively wound around the guide pulley blocks of the two multi-function hooks.

The invention further discloses a floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, and further comprising the above-mentioned multifunctional hook set.

The utility model has the beneficial effects compared with the prior art: the multifunctional hook disclosed in the invention has a first axle pin on the fixed pulley block and a second axle pin on the guide pulley block, so that the hook is not only in the ship The longitudinal direction can be freely rotated, and can also be rotated in the lateral direction of the ship, so that more functions of the lifting operation can be realized, such as large-scale turning, erection, lifting, installation, etc.; and two multi-purpose hooks Multi-functional hook group, the maximum angle between the two hooks in the transverse direction can reach 40°, so as to realize the turning operation of the long and long members and the assembly is simple, and the hooks are less, so that the large workpiece can be hoisted without auxiliary hoisting. The assistance of the beam makes the lifting operation more convenient and efficient.

In a part of the preferred solution, the first connecting mechanism is connected to the fixed pulley block and the balance pulley block is connected, so that when the multifunctional hook rotates in the lateral direction, the balance pulley group can drive the movable pulley block to swing laterally, so that the wire rope is always uniformly stressed and in and out. The pulley has a small yaw angle and does not jump, so that the fixed installation of the floating crane can be guaranteed.

In some preferred embodiments, the hook work combination of the multifunctional hook group is diverse and flexible, and the two hooks can be lifted separately, or a double hanging weight can be formed by connecting a total hanging groove through the second connecting structure.

DRAWINGS

Figure 1 is a schematic view of a multifunctional hook of a preferred embodiment of the present invention;

2 is a schematic view of a fixed pulley block and a balance pulley block of a multifunctional hook according to a preferred embodiment of the present invention;

Figure 3 is a schematic view of a guide pulley block of a multifunctional hook according to a preferred embodiment of the present invention;

4 is a schematic view of a movable pulley block and a hook of the multifunctional hook according to a preferred embodiment of the present invention;

Figure 5 is a schematic view showing the lateral angle of the multifunctional hook set of the preferred embodiment of the present invention being 40°;

6 is a schematic view showing the overall composition of a multifunctional hook group according to a preferred embodiment of the present invention;

Figure 7 is a schematic view showing the connection of the total hook and the hook of the multifunctional hook group of the preferred embodiment of the present invention;

Fig. 8 is a schematic view showing the winding of a wire rope of the multifunctional hook group of the preferred embodiment of the present invention.

detailed description

The invention will now be further described with reference to the drawings in conjunction with the preferred embodiments.

The invention discloses a multifunctional hook for a floating crane. The floating crane comprises a boom, a lifting mechanism and a reversing pulley. The multifunctional hook comprises a fixed pulley group, a movable pulley group, a guiding pulley group and a hook. And a wire rope, wherein: the fixed pulley block is mounted on the boom by a first axle pin, so that the fixed pulley block can swing longitudinally with the first axle pin as an axis; the guiding pulley block is installed by a second axle pin On the boom, the guiding pulley block can be laterally oscillated with the second axle pin as an axis; the movable pulley block is disposed below the fixed pulley block, and the hook is connected at a lower end of the movable pulley block After the hoisting mechanism passes the reversing pulley block, the wire rope is sequentially wound around the guiding pulley block, the movable pulley block, the fixed pulley block, the movable pulley block, the guiding pulley block, and finally through the Reversing the pulley block to be wound to the hoisting mechanism; so that the movable pulley block, the guide pulley block, and the hook can swing laterally to the left and right in the vertical direction, and make the fixed pulley block and the moving roller Group, the hook can pivot in a vertical longitudinal axis back and forth direction. In a further aspect, the multifunctional hook further includes a first connecting mechanism and a balance pulley set, wherein the first connecting mechanism is coupled to the fixed pulley block, and the balanced pulley block is mounted on the first axle by a third axle pin a connecting mechanism capable of laterally oscillating the balance pulley block with the third axle pin as an axis; the wire rope is sequentially wound around the balance pulley block and the movable pulley block before or after winding to the fixed pulley block, so that The balance pulley block can be oscillated laterally and horizontally with the movable pulley block, the guide pulley block and the hook in a vertical direction, and the balance pulley block and the fixed pulley block, the movable pulley block, and the The hooks are longitudinally swayed back and forth in the vertical direction.

One embodiment of the present invention discloses a multi-purpose hook for a floating crane that includes a boom, a hoisting mechanism, and a reversing sheave. As shown in FIG. 1 , the multifunctional hook includes a fixed pulley block 10 , a movable pulley block 20 , a guide pulley block 30 , a balance pulley block 40 , a hook 50 , a wire rope 60 and a first connecting mechanism 70 ; The pulley block 10 is mounted on the boom (not shown) of the floating crane through the first axle pin 11, so that the fixed pulley block 10 can swing longitudinally with the first axle pin 11 as an axis; as shown in FIG. 3, the guide pulley block 30 passes the first The two-axis pin 31 is mounted on the boom (not shown) of the floating crane, so that the guiding pulley block 30 can swing laterally with the second axle pin 31 as an axis; as shown in FIG. 2, the first pulley 10 is provided with a first The connecting mechanism 70, the balance pulley block 40 is mounted on the first connecting mechanism 70 through the third axle pin 41, so that the balance pulley block 40 can swing laterally with the third axle pin 41 as an axis; as shown in FIG. 4, the hook 50 is connected in motion. The lower end of the pulley block 20; referring to FIG. 8, the wire rope 60 is wound by a lifting mechanism (not shown) of the floating crane, and is sequentially wound around the steering pulley block 30 and the movable pulley block 20 through the reversing pulley block (not shown) of the floating crane, and then Winding the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, and then winding Movable pulleys 20 and The guide pulley block 30 is finally wound by a reversing pulley block to a hoisting mechanism (not shown); wherein the fixed pulley block 10 and the balance pulley block 40 are connected by a movable pulley block 20. After the wire rope 60 is wound by the guide pulley block 30 to the movable pulley block 20, the wire rope 60 can be wound in the following situations: 1 sequentially winding the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, the movable pulley block 20, and the guide pulley block 30; The balance pulley block 40, the movable pulley block 20, the fixed pulley block 10, the movable pulley block 20, and the guide pulley block 30 are sequentially wound; 3, the fixed pulley block 10, the movable pulley block 20, the balanced pulley block 40, the movable pulley block 20, the fixed pulley block 10, the movable pulley block 20, and the guide are sequentially wound. The pulley block 30; 4 sequentially winds the balance pulley block 40, the movable pulley block 20, the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, the movable pulley block 20, and the guide pulley block 30; 5 sequentially winding the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, and the moving The pulley block 20, the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, the movable pulley block 20, and the guide pulley block 30; 6 sequentially wind the balance pulley block 40, the movable pulley block 20, the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, the movable pulley block 20, Fixed pulley block 10, moving pulley block 20, guide pulley block 30; and the like.

In a more specific embodiment, the movable pulley block 20, the guide pulley block 30, the balance pulley block 40, and the hook 50 can swing laterally to the left and right in the vertical direction; the fixed pulley block 10, the movable pulley block 20, the balance pulley block 40, and the hook 50 can be The longitudinal direction is oscillated back and forth in the vertical direction.

Another embodiment of the present invention discloses a floating crane comprising a boom, a hoisting mechanism and a reversing sheave, and further comprising the above-described multifunctional hook.

Still another embodiment of the present invention discloses a multifunctional hook set for a floating crane, the floating crane including a boom, a lifting mechanism and a reversing pulley block; as shown in FIG. 5, the multifunctional hook group includes two For the above-mentioned multifunctional hook, the composition and connection relationship of the multifunctional hook will not be described herein any more; wherein the two multifunctional hooks in the multifunctional hook group are disposed adjacent to each other in the lateral direction. Further, the two multifunctional hooks are arranged in mirror symmetry with respect to the vertical direction, and the guide pulley blocks 30 of the two multifunctional hooks are disposed adjacent to each other in the lateral direction.

Wherein, the fixed pulley block 10 and the guiding pulley block 30 of the two multifunctional hooks are mounted on the same boom of the floating crane, and as shown in FIG. 8, the two multifunctional hook wire ropes 60 are respectively independent of the two floating hooks. The hoisting mechanism and the two sets of independent reversing pulley blocks are respectively wound into the guiding pulley blocks 30 of the two multifunctional hooks, respectively, after winding the pulley blocks of the two multifunctional hooks respectively (such as the above-mentioned multifunctional hooks) The winding method, which will not be described here, is respectively wound into two sets of independent reversing pulley blocks and two independent lifting mechanisms of the floating crane.

In some embodiments, as shown in FIG. 6, the multi-function hook group further includes a second connection mechanism 80 and A total hook 90 is attached to the lower end of the second connecting mechanism 80. The upper end of the second connecting mechanism 80 is provided with two connecting points for connecting the hooks 50 of the two multifunctional hooks.

One embodiment of the present invention discloses a floating crane comprising a boom, a hoisting mechanism and a reversing sheave, and further comprising the above-described multi-function hook set.

The multifunctional hook disclosed by the invention can be freely rotated not only in the longitudinal direction of the ship, but also the two hooks can be freely rotated in the lateral direction of the ship, and the wire rope of the multifunctional hook is rotated in the lateral direction due to the provision of the guide pulley block and the balance pulley block. There will be no large pulley yaw angle and additional additional force, that is, the steel wire rope will always be evenly stressed, and the yaw angle will be small when entering and exiting the pulley, and will not jump, so that the fixed point installation during the floating crane operation can be ensured.

The multifunctional hook group disclosed by the invention can rotate freely not only in the longitudinal direction of the ship, but also the two hooks can be opened in the horizontal direction of the ship, and the maximum angle reaches 40°, and the distance of the horizontal hook can be adjusted, thereby achieving a long length. The turning operation and assembly of the components are simple and the hooks are small; at the same time, the large workpiece can be removed without the assistance of the auxiliary lifting beam, and the lifting beam can be eliminated, so that the lifting operation is convenient and efficient. The multi-function hook group not only has the basic functions of lifting thousands of tons, but also has various and flexible hook work combinations; the two hooks can be lifted separately or combined by hook and beam combination to form a double Lifting weight.

The floating crane including the multifunctional hook group of the invention can realize various working modes, and is used for solving the turning operation problem of the large offshore structure in the marine equipment construction process; especially suitable for the installation of the offshore platform, the offshore pile leg And the maintenance and maintenance of the derrick, the construction, installation and maintenance of the offshore wind power equipment and the high-rise tower steel structure can greatly improve the working efficiency of the marine engineering, and at the same time increase the economic benefits of the floating crane.

In summary, the floating crane provided by the invention and the multifunctional hook and the multifunctional hook group are all characterized by the construction of the offshore equipment: the height of the pile platform of the offshore platform is high, the structure of the offshore platform is bulky, and the construction process It is necessary to turn over, erect, hoist, and install large structures. The floating crane and its multi-function hook and multi-function hook group can realize the lifting of the marine equipment during the construction process, the large-scale turning, the simple assembly, the small hook change and the easy lifting, thus greatly expanding the working range of the floating crane. It can realize the installation that could not be completed before, and also greatly improves the installation efficiency, reduces the installation cost, and achieves good economic benefits.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt;

Claims

A multifunctional hook for a floating crane, the floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, wherein the multifunctional hook comprises a fixed pulley group, a movable pulley group, a guiding pulley group and a hook And wire rope, where:

The fixed pulley block is mounted on the boom by a first axle pin, so that the fixed pulley block can swing longitudinally with the first axle pin as an axis; the guiding pulley block is mounted on the boom by a second axle pin The guide pulley block can be laterally oscillated with the second axle pin as an axis; the movable pulley block is disposed below the fixed pulley block, and the hook is connected to the lower end of the movable pulley block;

After the hoisting mechanism passes the reversing pulley block, the wire rope is sequentially wound around the guiding pulley block, the movable pulley block, the fixed pulley group, the movable pulley group, the guiding pulley group, and finally passed the modification. Winding the pulley block to the hoisting mechanism; so that the movable pulley block, the guide pulley block, and the hook can swing laterally to the left and right in the vertical direction, and the fixed pulley block, the movable pulley block, and the The hook can swing back and forth longitudinally in the vertical direction.
The multi-kinetic energy hook according to claim 1, further comprising a first connecting mechanism and a balance pulley block, wherein said first connecting mechanism is coupled to said fixed pulley block, said balanced pulley block passing through said third axle pin Mounted on the first connecting mechanism to enable the balance pulley block to oscillate laterally with the third axle pin as an axis; the wire rope is sequentially wound around the balance pulley block and before or after winding to the fixed pulley block Moving the pulley block such that the balance pulley block can swing laterally to the left and right with the movable pulley block, the guide pulley block and the hook in the vertical direction, and the balance pulley block and the fixed pulley block and the The movable pulley block and the hook are vertically oscillated back and forth in the vertical direction.
A floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, characterized in that it further comprises the multifunctional hook according to claim 1 or 2.
A multifunctional hook set for a floating crane, the floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, characterized in that it comprises two multifunctional hooks according to claim 1 or 2. Two of the multifunctional hooks are disposed adjacent to each other in a lateral direction.
The multifunctional hook set according to claim 4, further comprising a second connecting mechanism and a total hook, the total hook being connected to a lower end of the second connecting mechanism, the second connecting mechanism The upper end is provided with two connection points for connecting the hooks of the two multifunctional hooks respectively.
Multifunctional hook set according to claim 4 or 5, characterized in that two of said multi-functions The hook can be mirror-symmetrically arranged in the vertical direction.
The multi-function hook set according to claim 6, wherein the guide pulley sets of the two multi-function hooks are disposed adjacent to each other in a lateral direction.
The multifunctional hook set according to any one of claims 4 to 7, wherein the fixed pulley block and the guide pulley block of the two multifunctional hooks are mounted on the same boom of the floating crane, two The wire ropes of the multi-purpose hooks are respectively wound by two mutually independent lifting mechanisms of the floating crane and two sets of mutually independent reversing pulley blocks, and then respectively wound to the guide pulley blocks of the two multi-function hooks .
A floating crane comprising a boom, a hoisting mechanism and a reversing pulley block, characterized in that it further comprises a multi-function hook set according to any one of claims 4 to 8.