CN214456342U - Integrated super-lifting amplitude changing device for crane - Google Patents
Integrated super-lifting amplitude changing device for crane Download PDFInfo
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- CN214456342U CN214456342U CN202120242963.8U CN202120242963U CN214456342U CN 214456342 U CN214456342 U CN 214456342U CN 202120242963 U CN202120242963 U CN 202120242963U CN 214456342 U CN214456342 U CN 214456342U
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Abstract
The utility model provides an integrated super-lifting amplitude changing device for a crane, which comprises a super-lifting mast hinged on a rotary table of the crane, wherein the super-lifting mast comprises a bottom knuckle arm, a plurality of groups of middle sections and a top knuckle arm, and is characterized in that four hinged joints are arranged at the top end of the bottom knuckle arm and the bottom end of the top knuckle arm and are connected with the middle sections, and the four hinged joints can also be connected with the top end of the bottom knuckle arm and the bottom end of the top knuckle arm; the crane is characterized by further comprising a super-lifting amplitude-varying winch, a super-lifting amplitude-varying pulley block and a super-lifting amplitude-varying winch steel wire rope, wherein the super-lifting amplitude-varying winch is fixedly connected to a bottom knuckle arm side truss through a pin shaft, one part of the super-lifting amplitude-varying winch steel wire rope is connected with a top knuckle arm and the super-lifting amplitude-varying pulley block, the other part of the super-lifting amplitude-varying winch steel wire rope is wound on the super-lifting amplitude-varying winch, and the super-lifting amplitude-varying pulley block is connected with the top of a main arm of the crane through a pulling plate. The device has simple and practical structure; the disassembly, assembly and transportation are convenient, the disassembly and assembly time can be effectively reduced, and the transportation cost and the disassembly and assembly cost are reduced.
Description
Technical Field
The utility model relates to an integrated super-lifting luffing device for crane belongs to engineering machine tool technical field.
Background
In order to meet the hoisting requirements of large-scale equipment in petroleum, petrochemical, nuclear power, wind power, steel and other large-scale engineering projects in China, cranes are increasingly developed to be ultra-large, the hoisting height is higher, the working range is larger, and the hoisting capacity is stronger. Among various types of cranes, a crane becomes an indispensable tool in the installation of large-scale equipment with the accuracy of its lifting movement. With the development of large-scale, a series of problems in the processes of design, production, transportation, installation, use and the like are brought, and the development of the crane is severely restricted.
The super-lifting amplitude varying device is one of important components of a super-tonnage crane, and the dismounting efficiency and the transportation cost of the super-lifting amplitude varying device are important factors influencing the use of the super-tonnage crane. At present, the bottom section arm and the top section arm of the super-lift mast are separately transported; the super-lifting luffing pulley block is transported separately, and the super-lifting winch and the super-lifting mast bottom section arm are transported together. On one hand, the structure mode at least needs to be provided with two transport plate trucks, so that the transport cost is increased; on the other hand, the super-lifting amplitude-variable steel wire rope is required to be wound before the super-lifting mast and the super-lifting amplitude-variable pulley block every time, so that the whole vehicle dismounting efficiency is greatly reduced.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide an integration super-lift becomes width of cloth device for hoist, simple structure is convenient for wholly transport and dismouting.
In order to achieve the purpose, the utility model provides an integrated super-lifting amplitude changing device for a crane, which comprises a super-lifting mast hinged on a rotary table of the crane, wherein the super-lifting mast comprises a bottom knuckle arm, a plurality of groups of middle sections and a top knuckle arm, the top end of the bottom knuckle arm and the bottom end of the top knuckle arm are provided with four hinged joints connected with the middle sections, and the four hinged joints can also be connected with the top end of the bottom knuckle arm and the bottom end of the top knuckle arm;
the crane is characterized by further comprising a super-lifting amplitude-varying winch, a super-lifting amplitude-varying pulley block and a super-lifting amplitude-varying winch steel wire rope, wherein the super-lifting amplitude-varying winch is fixedly connected to a bottom knuckle arm side truss through a pin shaft, one part of the super-lifting amplitude-varying winch steel wire rope is connected with a top knuckle arm and the super-lifting amplitude-varying pulley block, the other part of the super-lifting amplitude-varying winch steel wire rope is wound on the super-lifting amplitude-varying winch, and the super-lifting amplitude-varying pulley block is connected with the top of a main arm of the crane through a pulling plate.
Furthermore, the top knuckle arm and the bottom knuckle arm are both in a conical space truss structure, and the section of the top end of the bottom knuckle arm is completely the same as that of the bottom end of the top knuckle arm and can be connected through a four-hinge joint.
Furthermore, the middle section is of a space truss structure with an equal section, and the section of the middle section is completely the same as that of the top end of the bottom section arm and that of the bottom end of the top section arm.
Furthermore, a guide positioning plate is arranged on the truss at the top end of the top knuckle arm and used for guiding the super-lifting amplitude-changing pulley block to fall on the truss on the side face of the top knuckle arm.
Furthermore, the truss on the side surface of the top end of the top knuckle arm is provided with an ear plate structure, the side surface of the super-lifting amplitude-changing pulley is provided with a matched ear plate structure, and the super-lifting amplitude-changing pulley can be fixedly connected to the truss on the side surface of the top end of the top knuckle arm through a pin shaft.
Furthermore, all be convenient for hoist and mount and the hoisting point of transporting on the truss of the same side of top festival arm top side and bottom festival arm bottom.
Furthermore, the truss on the other side of the top end of the top knuckle arm and the truss on the same side of the bottom end of the bottom knuckle arm are both provided with supporting legs for supporting and fixing the top knuckle arm and the bottom knuckle arm during transportation.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model discloses an integrated super-lift luffing device for crane, super-lift mast bottom node arm top and top node arm bottom are provided with four hinge point joints and are connected with the middle section, and four hinge point joints can also connect bottom node arm top and top node arm bottom, and bottom node arm and top node arm can splice into an organic whole, and the transportation cost is practiced thrift in the whole transportation;
the super-lifting amplitude-variable winch is connected to the truss on the side face of the bottom knuckle arm through the pin shaft and exists as a unit all the time, the super-lifting amplitude-variable pulley block can be fixedly connected to the truss on the side face of the top end of the top knuckle arm through the pin shaft, one part of a steel wire rope of the super-lifting amplitude-variable winch is connected with the top knuckle arm and the super-lifting amplitude-variable pulley block, the other part of the steel wire rope is wound on the super-lifting amplitude-variable winch, disassembly and winding during disassembly and assembly can be avoided, disassembly and assembly time is saved, and production efficiency is improved.
Drawings
Fig. 1 is a schematic view of a whole crane under a super-lift working condition of an integrated super-lift amplitude variation device for a crane according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a super-lift mast of an integrated super-lift luffing device for a crane according to an embodiment of the present invention;
fig. 3 is a schematic view of a bottom-section arm transportation partial structure of an integrated super-lifting luffing device for a crane according to a second embodiment of the present invention;
fig. 4 is a schematic view of a top-knuckle arm transportation partial structure of an integrated super-lifting luffing device for a crane according to a second embodiment of the present invention;
fig. 5 is a schematic view of a transportation state of the integrated super-lifting amplitude variation device for the crane provided by the second embodiment of the invention;
fig. 6 is a schematic view illustrating the installation and transportation conversion of the integrated super-lifting amplitude variation device for the crane provided by the third embodiment of the invention;
fig. 7 is a schematic view of an installation state of an integrated super-lifting amplitude variation device for a crane according to the second embodiment of the present invention.
In the figure: 1. raising the mast; 2. hoisting by super-lifting amplitude variation; 3. a super-lifting amplitude-variable pulley block; 4. super-lifting amplitude-variable hoisting steel wire ropes; 5. a bottom knuckle arm; 6. a middle section; 7. and a top knuckle arm.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to describe distinctions and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The first embodiment is as follows:
as shown in fig. 1 and 2, the utility model relates to an integrated super-lift amplitude changing device for crane, including articulating super-lift mast 1 on the crane revolving stage, super-lift mast 1 includes end festival arm 5, festival 6 and top festival arm 7 in the middle of the multiunit, and top festival arm 7 and end festival arm 5 are conical space truss structure, and the cross-section on end festival arm 5 top is the same completely with the cross-section of top festival arm 7 bottom, and middle festival 6 is the space truss structure of uniform cross-section, and the cross-section is the same completely with the cross-section on end festival arm 5 top, the cross-section of top festival arm 7 bottom. Four hinged joints are arranged at the top end of the bottom knuckle arm 5 and the bottom end of the top knuckle arm 7 and are connected with the middle knuckle 6, and the four hinged joints can also be connected with the top end of the bottom knuckle arm 5 and the bottom end of the top knuckle arm 7. The bottom section arm and the top section arm can be spliced into a whole, and the transportation cost is saved due to the integral transportation. The lifting points which are convenient to hoist and transport on the truss on the side face of the top end of the top knuckle arm 7 and the truss on the same side face of the bottom end of the bottom knuckle arm 5 can meet the use requirements of hoisting and transporting an integrated super-lifting amplitude-changing device and the like. All be equipped with the landing leg on the truss of the same side in top festival arm 7 top another side and the 6 bottoms of end festival arm for support fixed top festival arm 7 and end festival arm 5 during the transportation, prevent colliding with, the friction damage of taking place the structure.
As shown in fig. 1, the integrated super-lifting amplitude variation device for the crane further comprises a super-lifting amplitude variation winch 2, a super-lifting amplitude variation pulley block 3 and a super-lifting amplitude variation winch steel wire rope 4. The super-lifting amplitude-variable winch 2 is connected to a truss on the side face of the bottom knuckle arm 5 through a pin shaft, one part of a steel wire rope 4 of the super-lifting amplitude-variable winch is connected with the top knuckle arm 7 and the super-lifting amplitude-variable pulley block 3, and the other part of the steel wire rope is wound on the super-lifting amplitude-variable winch 2, so that disassembly and assembly can be avoided, disassembly and assembly time is saved, and production efficiency is improved. The super-lifting amplitude-changing pulley block 3 is connected with the top of the main arm of the crane through a pulling plate. And a guide positioning plate is arranged on the truss at the top end of the top knuckle arm and is used for guiding the super-lifting amplitude-changing pulley block 3 to fall on the truss on the side surface of the top knuckle arm 7. The truss on the side surface of the top end of the top knuckle arm 7 is provided with an ear plate structure, the side surface of the super-lifting variable-amplitude pulley block 3 is provided with a matched ear plate structure, and the super-lifting variable-amplitude pulley block 3 can be fixedly connected to the truss on the side surface of the top end of the top knuckle arm 7 through a pin shaft.
Example two:
the embodiment of the utility model provides a transportation mode that is used for super amplitude of cloth device of playing of integration of hoist.
As shown in fig. 6, the superlift mast is disassembled: the super-lifting amplitude-variable winch 2 is used for winding a steel rope (a super-lifting amplitude-variable winch steel rope 4), the super-lifting amplitude-variable pulley block 3 slowly approaches to the top end of the top knuckle arm 7, and the super-lifting amplitude-variable pulley block 3 is connected with an ear plate of the top knuckle arm 7 through a pin shaft by a guide positioning plate arranged on a truss at the top end of the top knuckle arm 7 and falling on the top knuckle arm 7, so that the super-lifting amplitude-variable pulley block 3 and the top knuckle arm 7 are fixed at positions A and B in the figure 7. The connection between the bottom link arm 5 and the middle link 6 is disconnected, the connection between the top link arm 7 and the middle link 6 is disconnected, and the connection between the middle links 6 is disconnected.
As shown in fig. 3, the super-lifting variable-amplitude winch 2 is fixedly connected to the side truss of the bottom knuckle boom 5 through a pin shaft, and the super-lifting variable-amplitude winch 2 and the bottom knuckle boom 5 serve as a transportation unit.
As shown in fig. 4, the superlift luffing pulley block 3 and the top knuckle boom 7 act as one transport unit.
As shown in fig. 5, the transportation units of the super-lifting variable-amplitude winch 2 and the bottom arm 5 are connected with the transportation units of the super-lifting variable-amplitude pulley block 3 and the top arm 7 through four-hinge-point joints at the top end of the bottom arm 5 and the bottom end of the top arm 7 to form an integrated transportation unit, so that the number of the crane transportation plate trucks is saved, and the transportation cost is saved. The super-lifting amplitude-variable winch steel wire rope 4 does not need to be disassembled from a winding rope, and the steel wire rope with the overlong part winds into the super-lifting amplitude-variable winch 2, so that the disassembly and the winding during disassembly and assembly can be avoided, the disassembly and assembly time is saved, and the production efficiency is improved.
Example three:
the embodiment of the utility model provides a super installation mode who changes width of cloth device of playing of integration for hoist.
As shown in figure 6, the integrated super-lifting amplitude changing device for the crane is integrally transported in the transportation process, in the installation process, four-hinge joint connection of the top end of a bottom knuckle arm 5 and the bottom end of a top knuckle arm 7 is disconnected, and a proper number of middle knuckles 6 are installed between the bottom knuckle arm 5 and the top knuckle arm 7 according to the required working conditions.
Specifically, the connection of four hinged joints at the top end of the bottom knuckle arm 5 and the bottom end of the top knuckle arm 7 is cut off; a suitable number of intermediate sections 6 are mounted between the bottom section arm 5 and the top section arm 7 to assemble the super lift mast 1. The bottom arm 5 is connected to a rotary table of a crane, the mast of the crane reaches a preset working range, and the super-lift mast 1 is hoisted. And (3) disconnecting the pin shaft connection between the amplitude-variable pulley block 3 and the ear plate of the top knuckle arm 7 at the positions A and B shown in the figure 7, releasing the rope (the super-amplitude-variable winch steel wire rope 4) of the super-amplitude-variable winch 2, and connecting the amplitude-variable pulley block 3 with the pull plate at the top of the main arm of the crane to finish the installation.
Compared with the prior art, the integrated super-lifting amplitude varying device for the crane has compact structure, simplicity and practicability; the disassembly, assembly and transportation are convenient, the disassembly and assembly time can be effectively reduced, the labor intensity is reduced, the production efficiency is improved, and the transportation cost and the disassembly and assembly cost are reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. The integrated super-lifting amplitude-changing device for the crane is characterized by comprising a super-lifting mast (1) hinged on a rotary table of the crane, wherein the super-lifting mast (1) comprises a bottom knuckle arm (5), a plurality of groups of middle knuckles (6) and a top knuckle arm (7), four hinge joints are arranged at the top end of the bottom knuckle arm (5) and the bottom end of the top knuckle arm (7) and are connected with the middle knuckles (6), and the four hinge joints can also be connected with the top end of the bottom knuckle arm (5) and the bottom end of the top knuckle arm (7);
the crane is characterized by further comprising a super-lifting amplitude-variable winch (2), a super-lifting amplitude-variable pulley block (3) and a super-lifting amplitude-variable winch steel wire rope (4), wherein the super-lifting amplitude-variable winch (2) is fixedly connected to the bottom knuckle arm (5), one part of the super-lifting amplitude-variable winch steel wire rope (4) is connected with the top knuckle arm (7) and the super-lifting amplitude-variable pulley block (3), the other part of the super-lifting amplitude-variable winch steel wire rope is wound on the super-lifting amplitude-variable winch (2), and the super-lifting amplitude-variable pulley block (3) is connected with the top of the main arm of the crane through a pulling plate.
2. The integrated super-amplitude device as claimed in claim 1, wherein the top arm (7) and the bottom arm (5) are both conical space truss structures, and the cross section of the top end of the bottom arm (5) is identical to that of the bottom end of the top arm (7).
3. The integrated super-amplitude-changing device as claimed in claim 2, wherein the middle joint (6) is a space truss structure with a uniform cross section, and the cross section is identical to that of the top end of the bottom joint arm (5) and that of the bottom end of the top joint arm (7).
4. The integrated super-lifting amplitude variation device as claimed in claim 2, wherein a guiding and positioning plate is arranged on the truss at the top end of the top knuckle arm (7) and is used for guiding the super-lifting amplitude variation pulley block (3) to fall on the truss on the side surface of the top knuckle arm (7).
5. The integrated super-amplitude-variation device as claimed in claim 2, wherein the super-amplitude-variation winch (2) is fixedly connected to the side truss of the bottom knuckle arm (5) through a pin shaft.
6. The integrated super-lifting amplitude variation device according to claim 2, wherein a lug plate structure is arranged on the truss on the side surface of the top end of the top knuckle arm (7), a matched lug plate structure is arranged on the side surface of the super-lifting amplitude variation pulley block (3), and the super-lifting amplitude variation pulley block (3) can be fixedly connected to the truss on the side surface of the top end of the top knuckle arm (7) through a pin shaft.
7. The integrated super-amplitude device as claimed in claim 2, wherein the top end side truss of the top knuckle arm (7) and the bottom end side truss of the bottom knuckle arm (5) are provided with lifting points convenient for lifting and transferring.
8. The integrated super-lifting amplitude variation device as claimed in claim 2, wherein the truss on the other side surface of the top end of the top knuckle arm (7) and the truss on the same side surface of the bottom end of the bottom knuckle arm (5) are provided with supporting legs for supporting and fixing the top knuckle arm (7) and the bottom knuckle arm (5) during transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242963.8U CN214456342U (en) | 2021-01-28 | 2021-01-28 | Integrated super-lifting amplitude changing device for crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242963.8U CN214456342U (en) | 2021-01-28 | 2021-01-28 | Integrated super-lifting amplitude changing device for crane |
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| CN214456342U true CN214456342U (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605781A (en) * | 2023-03-13 | 2023-08-18 | 中建安装集团南方建设有限公司 | Vertical conveyor system for super high-rise building construction |
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2021
- 2021-01-28 CN CN202120242963.8U patent/CN214456342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605781A (en) * | 2023-03-13 | 2023-08-18 | 中建安装集团南方建设有限公司 | Vertical conveyor system for super high-rise building construction |
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