CN111232852A

CN111232852A - Novel rotary crane

Info

Publication number: CN111232852A
Application number: CN201811437462.4A
Authority: CN
Inventors: 汪许林; 龙进辉; 黄斌; 陈欣; 汪智群
Original assignee: Guangdong Pangyuan Engineering Machinery Co ltd
Current assignee: Guangdong Pangyuan Engineering Machinery Co ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-06-05

Abstract

The invention discloses a novel rotary crane which comprises a split heads, a free-falling node structure, a rotary assembly, a lifting mechanism, a vertical rod, a third ear plate, a lifting rope, a balance arm, a balance pulley, an arm head, a crane boom, a lifting pulley, an anti-torsion device and a hook group, wherein the free-falling node structure is arranged on the outer side of the split heads and comprises a first ear plate, a second ear plate, a bearing plate and a reinforcing rib plate; and the mechanical requirement of large bending moment resistance is met, so that the large component can be directly dismantled, meanwhile, the weight of the unit component is reduced, and conditions are provided for installation in a small place.

Description

Novel rotary crane

Technical Field

The invention relates to the technical field of tower cranes, in particular to a novel rotary crane.

Background

More and more super high-rise buildings are constructed in a mode that an internal climbing external tower crane is used as a tower crane, and the internal climbing external tower crane is dismantled by depending on a roof crane at last. For special dismantling conditions, the last roof crane often faces a lot of difficulties in dismantling, for example, an operation platform is difficult to set up due to a roof with a special structure, and a conventional dismantling mode becomes difficult in lifting at this time; meanwhile, accidents of the tower crane are more endless, the tower crane has accidents when a project is completed quickly due to a plurality of projects, all the channels are equally sealed, and sudden accidents such as the tower crane are handled, so that the restraint is ineligible when effective handling tools are lacked; therefore, it is necessary to design a new type of rotary crane.

Disclosure of Invention

The invention aims to provide a novel rotary crane to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: a novel rotary crane comprises a split heads, a free falling node structure, a rotary assembly, a lifting mechanism, a vertical rod, a third lug plate, a lifting rope, a balance arm, a balance pulley, an arm head, a crane boom, a lifting pulley, an anti-torque device and a hook group, wherein the free falling node structure is arranged on the outer side of the split heads and comprises a first lug plate, a second lug plate, a bearing plate and reinforcing rib plates, two reinforcing rib plates are installed on the outer bottom side of the split heads through bolts, the bearing plate is installed on the top of each reinforcing rib plate through a bolt, the second lug plate is installed on the top of each bearing plate through a bolt, the first lug plate is arranged on the top of each split heads, the vertical rod is installed on the top of the split heads through a bolt, the bottom of the vertical rod is connected with the first lug plate through a bolt, the rotary assembly is arranged in the middle of the vertical rod, the slewing assembly includes upper bracket, slewing bearing and undersetting, slewing bearing is installed through the bolt in the bottom of upper bracket, slewing bearing's bottom is installed the undersetting through the bolt, the both ends of pole setting are connected with upper bracket and undersetting respectively, hoisting mechanism is installed through the bolt in outside one side of pole setting, the third otic placode is installed through the bolt to the outside opposite side of pole setting, the top of pole setting is passed through the bolt and is installed the arm head, the balance arm is installed through the bolt in the outside of arm head, the balance pulley is installed through the connecting axle to one side of arm head, the jib loading boom is installed through the bolt to the opposite side of arm head, the hoisting pulley is installed through the connecting axle to the one end of jib loading boom, the anti-twist device is installed through the bolt in bottom one side of jib loading boom, and the bottom of anti.

Furthermore, the vertical rod is formed by splicing a plurality of vertical rod sections through bolts.

Further, the top of first otic placode and second otic placode has all seted up the earhole, and the earhole fit in installs the round pin axle, the round pin axle passes the earhole and is connected with first otic placode and second otic placode respectively.

Furthermore, a lifting rope is arranged in the lifting mechanism, and the lifting rope respectively penetrates through the balance pulley, the lifting pulley and the lifting hook group to be connected with the anti-torsion device.

Furthermore, a balance rope is fixedly mounted on one side of the third ear plate, and the other end of the balance rope is connected with the balance arm.

Compared with the prior art, the invention has the following beneficial effects: according to the novel rotary crane, the roof crane or the bottom beam or the fulcrum of the structure is used as a node for connecting the base, so that the field condition is effectively utilized, the complexity of resetting the base is reduced, and the safety is also guaranteed; the node structure capable of being freely laid down is adopted, and the structure above the node can be integrally erected after the roof is assembled or completely laid down to the roof for disassembly and removal by utilizing the free laid node structure during installation or removal, so that the efficiency is improved, and the safety of workers is further ensured; the slewing bearing is used as a rotating carrier, and when the slewing bearing works, the slewing assembly with the slewing bearing can rotate for 360 degrees without dead angles, so that the mechanical property is improved, the mechanical requirement on large bending moment resistance is met, and the large component can be directly dismounted; the anti-bending design of the rear balance arm is adopted, so that the deformation of the upper component of the rotary crane during the hoisting of the heavy object is reduced; the sectional type can meet the structural design of the freely drooping cargo boom, so that the weight of the unit component is reduced, manual carrying is facilitated, and conditions are provided for installation in a small field.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of the free fall node structure of the present invention;

FIG. 3 is a schematic structural view of a swing assembly of the present invention;

FIG. 4 is a schematic view of the construction of the arm head of the present invention;

figure 5 is a schematic view of the construction of the pole of the present invention;

FIG. 6 is a schematic view of the construction of the torque damper of the present invention;

in the figure: 1. a split heads; 2. freely laying down the node structure; 3. a first ear plate; 4. a second ear panel; 5. a support plate; 6. reinforcing rib plates; 7. a swing assembly; 8. an upper support; 9. a slewing bearing; 10. a lower support; 11. a hoisting mechanism; 12. erecting a rod; 13. a third ear panel; 14. lifting a lifting rope; 15. a balancing rope; 16. a balance arm; 17. a balance pulley; 18. an arm head; 19. a cargo boom; 20. a hoisting sheave; 21. an anti-twist device; 22. a hook group.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-6, the present invention provides a technical solution: a novel rotary crane comprises a split heads 1, a free falling node structure 2, a rotary assembly 7, a lifting mechanism 11, a vertical rod 12, a third ear plate 13, a lifting rope 14, a balance rope 15, a balance arm 16, a balance pulley 17, an arm head 18, a cargo boom 19, a lifting pulley 20, an anti-twist device 21 and a hook group 22, wherein the free falling node structure 2 is arranged on the outer side of the split heads 1, the free falling node structure 2 comprises a first ear plate 3, a second ear plate 4, a bearing plate 5 and reinforcing rib plates 6, two reinforcing rib plates 6 are arranged on the outer bottom side of the split heads 1 through bolts, the bearing plate 5 is arranged on the top of the reinforcing rib plates 6 through bolts, the second ear plate 4 is arranged on the top of the bearing plate 5 through bolts, the first ear plate 3 is arranged on the top of the second ear plate 4, ear holes are arranged on the top ends of the first ear plate 3 and the second ear plate 4, and a pin shaft is arranged in the ear holes in a matching manner, the pin shaft penetrates through the lug holes to be respectively connected with the first lug plate 3 and the second lug plate 4, so that the first lug plate 3 can rotate relative to the second lug plate 4 conveniently, the top of the split heads 1 is provided with a vertical rod 12 through bolts, the vertical rod 12 is formed by splicing a plurality of vertical rod sections through bolts, the split heads are convenient to disassemble and convenient to carry manually, the bottom of the vertical rod 12 is connected with the first lug plate 3 through bolts, the middle part of the vertical rod 12 is provided with a rotary assembly 7, the rotary assembly 7 comprises an upper support 8, a rotary support 9 and a lower support 10, the bottom of the upper support 8 is provided with the rotary support 9 through bolts, the bottom of the rotary support 9 is provided with the lower support 10 through bolts, two ends of the vertical rod 12 are respectively connected with the upper support 8 and the lower support 10, one side of the outside of the vertical rod 12 is provided with a lifting mechanism 11 through bolts, the other side of the outside of the vertical rod 12 is, a balance arm 16 is installed on the outer side of the arm head 18 through a bolt, a balance rope 15 is fixedly installed on one side of the third ear plate 13, the other end of the balance rope 15 is connected with the balance arm 16, the bending resistance effect is improved, and the deformation of the upper structure of the rotary crane is reduced, a balance pulley 17 is installed on one side of the arm head 18 through a connecting shaft, a crane boom 19 is installed on the other side of the arm head 18 through a bolt, a crane pulley 20 is installed on one end of the crane boom 19 through a connecting shaft, a torsion preventer 21 is installed on one side of the bottom of the crane boom 19 through a bolt, a hook group 22 is arranged at the bottom of the torsion preventer 21, a lifting rope 14 is arranged inside the lifting mechanism 11, and the lifting rope 14 respectively passes through the balance pulley 17, the crane pulley 20 and the hook group 22 to be connected with the torsion preventer 21; when in use, the split heads 1 are fixed on the top of a bottom beam or a fulcrum of a roof crane or a structure through bolts, the free-falling node structure 2 is fixed on one side of the split heads 1, the upright rods 12 are spliced to a proper height according to the use requirement, after the first ear plates 3 are connected and fixed with the upright rods 12, the first ear plates 3 can rotate relative to the second ear plates 4 through pin shafts, the upright rods 12 can be erected under the supporting action of the reinforcing rib plates 6 and the bearing plates 5, the balance ropes 15 are respectively fixedly connected with the third ear plates 13 and the balance arms 16, the lifting mechanisms 11 work to retract or release the lifting ropes 14, so that the lifting ropes 14 are lifted and dropped through the balance pulleys 17, the lifting pulleys 20, the hook groups 22 and the anti-twisting devices 21 and the anti-twisting devices 19 under the action of the anti-twisting devices 21 and the anti-twisting devices 19, the upper support 8 rotates under the supporting action of the lower support 10 through the slewing bearing 9 by slewing through the slewing assembly 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel rotatory hanging, includes split heads (1), freely falls node structure (2), gyration assembly (7), hoisting mechanism (11), pole setting (12), third otic placode (13), lifting rope (14), balanced rope (15), balanced arm (16), balanced pulley (17), arm head (18), jib loading boom (19), hoisting pulley (20), prevent turning round ware (21) and lifting hook group (22), its characterized in that: the outside of split heads (1) is provided with freely falls node structure (2), freely fall node structure (2) including first otic placode (3), second otic placode (4), bearing board (5) and deep floor (6), two deep floor (6) are installed through the bolt to the outside bottom side of split heads (1), deep floor (5) are installed through the bolt in the top of deep floor (6), second otic placode (4) are installed through the bolt in the top of bearing board (5), and the top of second otic placode (4) is provided with first otic placode (3), pole setting (12) are installed through the bolt in the top of split heads (1), the bottom of pole setting (12) is passed through the bolt and is connected with first otic placode (3), the middle part of pole setting (12) is provided with gyration assembly (7), gyration assembly (7) include upper bracket (8), The lifting mechanism comprises a slewing bearing (9) and a lower support (10), wherein the slewing bearing (9) is installed at the bottom of an upper support (8) through bolts, the lower support (10) is installed at the bottom of the slewing bearing (9) through bolts, two ends of an upright rod (12) are respectively connected with the upper support (8) and the lower support (10), a lifting mechanism (11) is installed on one side of the outside of the upright rod (12) through bolts, a third lug plate (13) is installed on the other side of the outside of the upright rod (12) through bolts, an arm head (18) is installed at the top of the upright rod (12) through bolts, a balance arm (16) is installed on the outside of the arm head (18) through bolts, a balance pulley (17) is installed on one side of the arm head (18) through a connecting shaft, a lifting arm (19) is installed on the other side of the arm head (18) through bolts, and a lifting pulley, an anti-twist device (21) is installed on one side of the bottom of the crane arm (19) through a bolt, and a hook group (22) is arranged at the bottom of the anti-twist device (21).

2. The novel rotary crane according to claim 1, characterized in that: the upright rod (12) is formed by splicing a plurality of upright rod sections through bolts.

3. The novel rotary crane according to claim 1, characterized in that: the top of first otic placode (3) and second otic placode (4) has all been seted up the earhole, and the earhole fit in installs the round pin axle, the round pin axle passes the earhole and is connected with first otic placode (3) and second otic placode (4) respectively.

4. The novel rotary crane according to claim 1, characterized in that: a lifting rope (14) is arranged in the lifting mechanism (11), and the lifting rope (14) passes through the balance pulley (17), the lifting pulley (20) and the lifting hook group (22) respectively to be connected with the anti-twist device (21).

5. The novel rotary crane according to claim 1, characterized in that: and a balance rope (15) is fixedly mounted on one side of the third ear plate (13), and the other end of the balance rope (15) is connected with a balance arm (16).