CN111232852A - Novel rotary crane - Google Patents

Abstract

The invention discloses a new type of rotary crane, comprising a horse stool, a free-falling node structure, a slewing assembly, a hoisting mechanism, a vertical pole, a third lug plate, a hoisting rope, a balance rope, a balance arm, a balance pulley, and an arm head , lifting arm, lifting pulley, anti-twist device and hook group, the outside of the horse stool is provided with a free-falling node structure, and the free-falling node structure includes a first ear plate, a second ear plate, a bearing Supporting plate and reinforcing rib plate, two reinforcing rib plates are installed on the outer bottom side of the horse stool by bolts, the top of the reinforcing rib plate is installed with a supporting plate by bolts, and the top of the supporting plate is installed by bolts With the second lug plate, this new type of rotary crane is safe to use, improves efficiency, and further ensures the safety of workers; it also meets the mechanical requirements for resistance to large bending moments, making it possible to directly remove large components, and at the same time, reducing the need for units The weight of the components also provides conditions for installation in small sites.

Description

A new type of rotary crane

technical field

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

Background technique

The construction of more and more super high-rise buildings will use internal climbing and external hanging tower cranes as the construction mode of tower cranes. For special demolition conditions, the demolition of the last roof crane often faces many difficulties, such as the difficulty of erecting the operating platform caused by the special structure of the roof, and the conventional demolition method will become difficult at this time; , Tower crane accidents are emerging one after another. Many projects will also encounter tower crane accidents when the project is about to be completed. When all channels are equivalently blocked, the tower crane can be dealt with unexpected accidents. When there is a lack of effective processing tools, It will appear helpless; therefore, it is necessary to design a new type of rotary crane.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a new type of rotary crane to solve the problems raised in the above-mentioned background art.

In order to solve the above technical problems, the present invention provides the following technical solutions: a new type of rotary crane, including a horse stool, a free-falling node structure, a slewing assembly, a lifting mechanism, a vertical pole, a third lug, a lifting rope, and a balance rope , balance arm, balance pulley, arm head, hoisting arm, hoisting pulley, anti-twist and hook group, the outside of the horse stool is provided with a free-falling node structure, and the free-falling node structure includes a first The ear plate, the second ear plate, the supporting plate and the reinforcing rib plate, two reinforcing rib plates are installed on the outer bottom side of the horse stool through bolts, and the supporting plate is installed on the top of the reinforcing rib plate through bolts, so the The top of the support plate is installed with a second lug plate through bolts, and the top of the second lug plate is provided with a first lug plate, the top of the horse stool is installed with a vertical rod through bolts, and the bottom of the vertical rod is installed with bolts Connected with the first lug plate, the middle part of the vertical rod is provided with a slewing assembly, the slewing assembly includes an upper support, a slewing bearing and a lower support, and the bottom of the upper support is installed with a slewing bearing through bolts, The bottom of the slewing bearing is installed with a lower support through bolts, the two ends of the vertical rod are respectively connected with the upper support and the lower support, the outer side of the vertical rod is installed with a lifting mechanism through bolts, the A third lug plate is installed on the other side of the outer side of the vertical pole, the top of the vertical pole is installed with an arm head through bolts, the outer side of the arm head is installed with a balance arm through bolts, and one side of the arm head is installed through bolts. A balance pulley is installed on the connecting shaft, a boom is installed on the other side of the arm head through bolts, one end of the boom is installed with a lifting pulley through the connecting shaft, and the bottom side of the boom is installed through bolts An anti-twist device is installed, and the bottom of the anti-twist device is provided with a hook group.

Further, the vertical pole is composed of several vertical pole sections spliced together by bolts.

Further, the top ends of the first lug plate and the second lug plate are both provided with ear holes, and pin shafts are fitted in the ear holes, and the pin shafts pass through the ear holes and are respectively connected to the first lug plate and the second lug plate.

Further, a hoisting rope is arranged inside the hoisting mechanism, and the hoisting rope passes through the balance pulley, the hoisting pulley and the hook group respectively and is connected to the anti-twist device.

Further, a balance rope is fixedly installed 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 beneficial effects achieved by the present invention are: the new type of rotating crane adopts the roof hanger or the bottom beam or the fulcrum of the structure as the node connecting the base, which effectively utilizes the on-site conditions and reduces the need for re-installation. It is cumbersome to set up the base, and the safety is also guaranteed; the node structure that can be laid down freely can be used during installation or dismantling. Lay down to the roof for dismantling and dismantling, which improves the efficiency and further ensures the safety of workers; the slewing bearing is used as the carrier of rotation, and the slewing assembly with the slewing bearing can be used for 360-degree rotation without dead ends during work. The performance has been improved to meet the mechanical requirements of resisting large bending moments, making it possible to directly remove large components; the bending resistance design of the rear balance arm reduces the deformation of the upper components of the rotating hoist when lifting heavy objects; The segment type can meet the free sagging boom structure design, one is to reduce the weight of the unit components, which is convenient for manual handling, and the other is to provide conditions for installation in small sites.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural schematic diagram of the free-down node structure of the present invention;

Fig. 3 is the structural representation of the rotary assembly of the present invention;

Fig. 4 is the structural representation of the arm head of the present invention;

Fig. 5 is the structural representation of the vertical pole of the present invention;

Fig. 6 is the structural representation of the anti-twist device of the present invention;

In the picture: 1. Horse stool; 2. Freely lay down joint structure; 3. First lug plate; 4. Second lug plate; 5. Support plate; 6. Rib plate; 7. Swivel assembly; Upper support; 9. Slewing bearing; 10. Lower support; 11. Lifting mechanism; 12. Upright pole; 13. Third lug plate; 14. Lifting rope; 15. Balance rope; 16. Balance arm; 17. Balance pulley; 18. Arm head; 19. Lifting arm; 20. Lifting pulley; 21. Anti-twist device; 22. Hook group.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-6, the present invention provides a technical solution: a new type of rotary crane, including a horse stool 1, a free-falling node structure 2, a slewing assembly 7, a lifting mechanism 11, a vertical pole 12, a third ear The board 13, the lifting rope 14, the balance rope 15, the balance arm 16, the balance pulley 17, the arm head 18, the lifting arm 19, the lifting pulley 20, the anti-twist device 21 and the hook group 22, the outer side of the horse stool 1 is provided with The free-falling node structure 2 includes a first ear plate 3, a second ear plate 4, a support plate 5 and a reinforcing rib plate 6, and two reinforcements are installed on the outer bottom side of the horse stool 1 through bolts. Rib plate 6, the top of the reinforcing rib plate 6 is installed with a support plate 5 through bolts, the top of the support plate 5 is installed with a second lug plate 4 through bolts, and the top of the second lug plate 4 is provided with a first lug plate 3 The top ends of the first lug plate 3 and the second lug plate 4 are provided with ear holes, and a pin shaft is installed in the ear hole. One lug plate 3 rotates relative to the second lug plate 4, the top of the horse stool 1 is installed with a vertical rod 12 through bolts, and the vertical rod 12 is composed of several vertical rod sections spliced by bolts, which is easy to disassemble and convenient for manual handling. The bottom of the rod 12 is connected with the first lug plate 3 by bolts, and the middle part of the vertical rod 12 is provided with a slewing assembly 7. The slewing assembly 7 includes an upper support 8, a slewing support 9 and a lower support 10. The bottom is mounted with a slewing bearing 9 through bolts, and the bottom of the slewing bearing 9 is mounted with a lower support 10 through bolts. The lifting mechanism 11 is installed on the bolts, the third lug plate 13 is installed on the other side of the outer side of the vertical rod 12 through the bolts, the arm head 18 is installed on the top of the vertical rod 12 through the bolts, and the balance arm is installed on the outer side of the arm head 18 through the bolts 16. A balance rope 15 is fixedly installed on one side of the third lug 13, and the other end of the balance rope 15 is connected with the balance arm 16 to improve the anti-bending effect and reduce the deformation of the upper structure of the rotary crane. The balance pulley 17 is installed on the side through the connecting shaft, the boom 19 is installed on the other side of the arm head 18 through bolts, and the lifting pulley 20 is installed at one end of the boom 19 through the connecting shaft. The bottom side of the boom 19 The anti-twist device 21 is installed by bolts, and the bottom of the anti-twist device 21 is provided with a hook group 22 , and the inside of the hoisting mechanism 11 is provided with a hoisting rope 14 , and the hoisting rope 14 passes through the balance pulley 17 and the hoisting pulley 20 respectively. It is connected with the hook group 22 and the anti-twist device 21, which is convenient for power transmission through the lifting rope 14; when in use, the horse stool 1 is installed and fixed on the roof hanging or the top of the bottom beam or the fulcrum of the structure by bolts, and the node is free to fall down. The structure 2 is fixed on one side of the horse stool 1, and the vertical rod 12 is spliced to a suitable height according to the requirements of use. After the first ear plate 3 and the vertical rod 12 are connected and fixed, the first ear plate can be made through the pin shaft. 3. Rotating relative to the second lug plate 4, under the support of the reinforcing rib plate 6 and the supporting plate 5, the vertical rod 12 can be erected, and the balance rope 15 can be leveled with the third lug plate 13 respectively. The balance arm 16 is fixedly connected, the hoisting mechanism 11 works, and the hoisting rope 14 is retracted or released, so that the hoisting rope 14 passes through the balance pulley 17, the hoisting pulley 20, the hook group 22 and the anti-twist device 21. Under the action of the lifting arm 19, the hook group 22 and the hoisting object are lifted and lowered. During the lifting and lowering process, the slewing assembly 7 is used to rotate, and the upper support 8 is connected to the lower support through the slewing bearing 9. Rotate under the support of 10.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. A new type of rotary crane, comprising a horse stool (1), a free-falling node structure (2), a slewing assembly (7), a lifting mechanism (11), a vertical pole (12), and a third lug (13) ), lifting rope (14), balance rope (15), balance arm (16), balance pulley (17), boom head (18), lifting arm (19), lifting pulley (20), anti-twist device ( 21) and the hook group (22), characterized in that: the outside of the horse stool (1) is provided with a free-falling node structure (2), and the free-falling node structure (2) includes a first lug ( 3), the second lug plate (4), the supporting plate (5) and the reinforcing rib plate (6), two reinforcing rib plates (6) are installed on the outer bottom side of the horse stool (1) through bolts, so The top of the reinforcing rib plate (6) is installed with a support plate (5) through bolts, and the top of the support plate (5) is installed with a second lug plate (4) through bolts, and the second lug plate (4) The top of the bench is provided with a first ear plate (3), the top of the horse stool (1) is mounted with a vertical pole (12) through bolts, and the bottom of the vertical pole (12) is connected to the first ear plate (3) through bolts connection, the middle part of the vertical rod (12) is provided with a slewing assembly (7), the slewing assembly (7) includes an upper support (8), a slewing support (9) and a lower support (10), so The bottom of the upper support (8) is installed with a slewing bearing (9) through bolts, the bottom of the slewing bearing (9) is installed with a lower support (10) through bolts, and the two ends of the vertical rod (12) are respectively Connected with the upper support (8) and the lower support (10), the outer side of the vertical rod (12) is installed with a lifting mechanism (11) through bolts, and the outer side of the vertical rod (12) is installed on the other side A third lug plate (13) is installed through bolts, an arm head (18) is installed on the top of the vertical rod (12) through bolts, and 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, and a boom (19) is installed on the other side of the arm head (18) through bolts. The boom (19) One end of the hoisting pulley (20) is installed through the connecting shaft, the bottom side of the hoisting arm (19) is installed with a torsion preventer (21) through bolts, and the bottom of the torsion preventer (21) is provided with a hoist Hook Set (22). 2 . A new type of rotary crane according to claim 1 , wherein the vertical rod ( 12 ) is composed of several vertical rod sections spliced together by bolts. 3 . 3. A new type of rotary crane according to claim 1, characterized in that: ear holes are provided at the top ends of the first lug plate (3) and the second lug plate (4), and pins are fitted in the ear holes. The shaft is connected to the first lug plate (3) and the second lug plate (4) respectively through the ear hole. 4. A new type of rotary crane according to claim 1, characterized in that: a hoisting rope (14) is provided inside the hoisting mechanism (11), and the hoisting rope (14) passes through the balance pulley (17) respectively ), the lifting pulley (20) and the hook group (22) are connected to the anti-twist device (21). 5. A new type of rotary crane according to claim 1, characterized in that: a balance rope (15) is fixedly installed on one side of the third lug plate (13), and the other end of the balance rope (15) is connected to The balance arm (16) is connected.

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