CN215479336U

CN215479336U - Introducing system for tower crane and tower crane

Info

Publication number: CN215479336U
Application number: CN202121113108.3U
Authority: CN
Inventors: 孔博群; 谢江平; 刘圣平; 李桂芳; 付英雄
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-11
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an introduction system for a tower crane and the tower crane, wherein the introduction system comprises: the cross beam is arranged at the lower end of a lower support of the tower crane and horizontally extends out of the tower body; the guide part comprises a moving assembly and a hoisting assembly, the moving assembly can move along the beam, and the hoisting assembly is connected below the moving assembly; the pull rod part comprises a connecting rod component and an adjusting rod, the upper end of the connecting rod component is in telescopic connection with the upper end of the adjusting rod for being capable of disassembling the connecting end and the lower end, the lower end of the adjusting rod is rotatably connected to the cross beam, the whole length of the pull rod part is adjustable, the installation flexibility of the pull rod part is improved, the assembly difficulty between the pull rod part and other parts of the tower body is reduced, and the installation efficiency of the introducing system is favorably improved.

Description

Introducing system for tower crane and tower crane

Technical Field

The utility model relates to the field of hoisting machinery, in particular to an introduction system for a tower crane and the tower crane.

Background

With the rapid development of science and technology and engineering machinery manufacturing industry, hoisting equipment is widely applied to the fields of building industry, heavy industry and the like. The tower crane is called tower crane for short, and is one kind of hoisting apparatus for building construction. The tower crane has the advantages of the lifting height and the working amplitude, so that the tower crane is widely applied to the construction of high-rise buildings. Generally, the tower crane achieves self-height by jacking and adding joints. In the jacking and node adding process of the tower crane, jacking and introduction are needed, and introduction of standard nodes is completed by one set of introduction system. When the pull rod of the introduction system in the existing tower crane is installed, good installation fit cannot be formed between the pull rod and the tower body due to insufficient manufacturing precision or size deviation, and the installation difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an introduction system for a tower crane and the tower crane.

In order to achieve the above object, a first aspect of the present invention provides an introduction system for a tower crane, the introduction system comprising:

the cross beam is arranged at the lower end of a lower support of the tower crane and horizontally extends out of the tower body;

the guide part comprises a moving assembly and a hoisting assembly, the moving assembly can move along the beam, and the hoisting assembly is connected below the moving assembly;

the pull rod part, the pull rod part includes connecting rod subassembly and adjusts the pole, and the upper end of connecting rod subassembly forms telescopic connection for dismantling link and lower extreme and adjusting between the upper end of pole, and the lower extreme of adjusting the pole rotationally connects on the crossbeam.

In the embodiment of the utility model, the adjusting rod is of a cavity structure, the upper end of the cavity structure is provided with internal threads, and the lower end of the connecting rod component is provided with external threads matched with the internal threads.

In an embodiment of the utility model, the connecting rod assembly comprises a first connecting rod and a second connecting rod, the lower end of the first connecting rod is in threaded connection with the upper end of the adjusting rod, the upper end of the first connecting rod is rotatably connected with the lower end of the second connecting rod, and the upper end of the second connecting rod is detachably connected with the lower support.

In an embodiment of the utility model, the introduction system further comprises a driving mechanism, a winding drum and a traction rope, wherein the traction rope is wound on the winding drum, one end of the traction rope bypasses the front end of the cross beam and is connected with the front end of the moving assembly, the other end of the traction rope bypasses the rear end of the cross beam and is connected with the rear end of the moving assembly, and the driving mechanism drives the winding drum to rotate so that the traction rope drives the moving assembly to horizontally move.

In an embodiment of the utility model, the hoist assembly comprises a lifting frame and flexible rigging assemblies, the lifting frame is detachably suspended below the moving assembly, and the flexible rigging assemblies are connected to the front side and the rear side of the lifting frame.

In an embodiment of the utility model, the flexible rigging assembly comprises a metal chain and a shackle disposed at a lower end of the metal chain.

In the embodiment of the utility model, the introduction system further comprises a special lifting appliance assembly for lifting the lifting frame, the upper end of the lifting frame is also provided with a lifting structure, the special lifting appliance assembly comprises a plurality of lifting rods and a plurality of lifting frame lifting hooks for lifting the lifting structure, the upper ends of the plurality of lifting rods are rotatably connected with the main lifting hook of the tower crane, and the plurality of lifting frame lifting hooks are respectively arranged at the lower ends of the plurality of lifting rods.

In an embodiment of the present invention, a rail is formed on the cross beam, the moving assembly includes a plurality of moving wheels rollably disposed on the rail, and a fixed frame including a plurality of fixed ends protruding upward, and the plurality of fixed ends and the plurality of moving wheels are fixed together in a one-to-one correspondence.

In an embodiment of the present invention, the cross member includes an upper wing plate, a lower wing plate, and a web, and has an H-shaped cross section, and the moving wheel is movably disposed on the lower wing plate.

In a second aspect, the present invention provides a tower crane, which comprises the above introduction system for a tower crane.

Through the technical scheme, set up pull rod portion in the introduction system, pull rod portion includes connecting rod subassembly and regulation pole, wherein, the upper end of connecting rod subassembly forms scalable connection for dismantling between link and the lower extreme and the upper end of adjusting the pole, the lower extreme of adjusting the pole rotationally connects on the crossbeam, make the whole length of pull rod portion adjustable, the installation flexibility of pull rod portion has been increased, the assembly degree of difficulty between other parts of pull rod portion and shaft has been reduced, be favorable to promoting the installation effectiveness of introduction system, and simple structure, easily manufacture.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the embodiments of the utility model without limiting the embodiments of the utility model. In the drawings:

FIG. 1 is a schematic view of a first perspective of an introduction system in an embodiment of the utility model;

FIG. 2 is a schematic view (partially in section) of a second perspective of an introduction system in an embodiment of the utility model;

FIG. 3 is a schematic view (partially in section) of a third perspective of an introduction system in an embodiment of the utility model;

fig. 4 is a schematic view of a dedicated spreader assembly in an embodiment of the present invention.

Description of the reference numerals

1 crossbeam 2 lead-in part

201 moving assembly 2011 moving wheel

2012 fixing frame 202 hanging component

2021 poppet 2022 flexible latch assembly

2023 lifting mechanism 3 draw bar part

301 connecting rod subassembly 3011 first connecting rod

3012 the second connecting rod 302 adjusts the lever

4 lower support of limit baffle 5

6 drive mechanism 7 reel

8 first pulley block of haulage rope 9

10 second pulley block 11 special lifting appliance assembly

1101 lifting bar 1102 hoist boom hook

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The utility model provides a novel introducing system for a tower crane, which is applied to the tower crane, wherein the tower crane needs to be jacked and introduced when the height of a tower body is increased, and an introducing standard knot needs to be set into the introducing system, as shown in figures 1-3, the introducing system comprises a cross beam 1, an introducing part 2 and a pull rod part 3, wherein the cross beam 1 is arranged at the lower end of a lower support 5 of the tower crane and horizontally extends out of the tower body; the introduction part 2 comprises a moving assembly 201 and a hoisting assembly 202, the moving assembly 201 can move along the beam 1, the hoisting assembly 202 is connected below the moving assembly 201 and used for hoisting a standard knot, namely after the hoisting assembly 202 hoists the standard knot, the moving assembly 201 moves horizontally along the beam 1, and the hoisting assembly 202 and the standard knot move horizontally along the same direction so as to realize the introduction of the standard knot; draw-bar portion 3 includes connecting rod subassembly 301 and regulation pole 302, but the upper end of connecting rod subassembly 301 forms telescopic connection for dismantling between link and the lower extreme and the upper end of adjusting pole 302, but the lower extreme of adjusting pole 302 rotationally connects on crossbeam 1, but telescopic connection between the lower extreme through connecting rod subassembly 301 and the upper end of adjusting pole 302 for the length of draw-bar portion 3 can be adjusted according to the actual erection operating mode, because of manufacturing error or installation dimension mismatch lead to appearing both can not install or install the condition of difficulty when avoiding the installation of draw-bar portion 3 and other parts of body of tower. An introduction system for tower crane in this embodiment sets up scalable connection through setting up scalable connection between connecting rod assembly 301 lower extreme and the upper end of adjusting pole 302, and it is scalable to realize the whole length of pull rod portion, has reduced the assembly degree of difficulty between pull rod portion 3 and other parts of body of the tower, is favorable to promoting the installation effectiveness of introduction system, and simple structure, easily manufacturing.

In the embodiment of the present invention, the adjusting rod 302 has a hollow structure, the upper end of the hollow structure is provided with an internal thread, and the lower end of the connecting rod assembly 301 is provided with an external thread matching with the internal thread. Specifically, a threaded connection is formed between an internal thread at the upper end of the cavity structure and an external thread at the lower end of the connecting rod assembly 301, so that telescopic adjustment can be performed between the connecting rod assembly 301 and the adjusting rod 302; further, the entire length of the pull-rod portion 3 is changed by adjusting the screwing depth between the internal thread and the external thread.

In an embodiment of the present invention, the connecting rod assembly 301 includes a first connecting rod 3011 and a second connecting rod 3012, a lower end of the first connecting rod 3011 is in threaded connection with an upper end of the adjusting rod 302, specifically, the lower end of the first connecting rod 3011 is provided with an external thread, the adjusting rod 302 is provided with a cavity structure, an upper end of the cavity structure is provided with an internal thread for matching with the external thread, and the overall length of the first connecting rod 3011 and the adjusting rod 302 is made to be flexible by the threaded connection between the first connecting rod 3011 and the adjusting rod 302; the upper end of the first connecting rod 3011 is rotatably connected with the lower end of the second connecting rod 3012, so that the second connecting rod 3012 can rotate relative to the first connecting rod 3011, the degree of freedom of the pull rod part 3 is increased, and the installation flexibility of the pull rod part 3 is improved; the upper end of the second connecting bar 3012 is detachably connected to the lower support 5 so that the second connecting bar 3012 can be assembled with the lower support 5. The pull rod part 3 can be integrally formed by assembling a plurality of parts, so that the overall length of the pull rod part 3 can be adjusted, the assembly precision is improved, the assembly difficulty is reduced, and the transportation convenience of the pull rod part 3 is improved.

In the embodiment of the present invention, the introduction system further includes a driving mechanism 6, a winding drum 7 and a pulling rope 8, the pulling rope 8 is wound on the winding drum 7, one end of the pulling rope 8 is connected to the front end of the moving assembly 201 by bypassing the front end of the beam 1, the other end of the pulling rope 8 is connected to the rear end of the moving assembly 201 by bypassing the rear end of the beam 1, and the driving mechanism 6 drives the winding drum 7 to rotate so that the pulling rope 8 drives the moving assembly 201 to move horizontally. Specifically, the introduction system further comprises a first pulley block 9 and a second pulley block 10, wherein the first pulley block 9 is arranged at the front end of the cross beam 1, the second pulley block 10 is arranged at the rear end of the cross beam 1, the traction rope 8 is a steel wire rope wound on the winding drum 7, and the winding drum 7 is rotated to enable two ends of the traction rope 8 to be tightened and loosened respectively; one end of the pulling rope 8 is connected with the front end of the moving component 201 by bypassing the first pulley block 9, the other end of the pulling rope 8 is connected with the rear end of the moving component 201 by bypassing the second pulley block 10, the driving mechanism 6 can drive the winding drum 7 to rotate, so that one end of the pulling rope 8 is tightened and the other end is loosened, the end where the pulling rope 8 is tightened applies pulling force to the moving component 201, the end where the moving component 201 is tightened to the pulling rope 8 is pulled to move horizontally, and the end where the pulling rope 8 is loosened is continuously prolonged along with the horizontal movement of the moving component 201. When the moving assembly 201 moves, the lifting assembly 202 connected with the moving assembly 201 also moves horizontally, and if the standard knot is lifted on the lifting assembly 202, the standard knot also moves horizontally, so that the introduction of the standard knot is realized.

In the embodiment of the present invention, the lifting assembly 202 includes a lifting frame 2021 and a flexible rigging assembly 2022, the lifting frame 2021 is detachably suspended below the moving assembly 201, and the flexible rigging assembly 2022 is connected to the front and rear sides of the lifting frame 2021. Specifically, the lower end of the moving assembly 201 is provided with a hanging rod, the upper end of the lifting frame 2021 is provided with a hook, and the hook of the lifting frame 2021 is hung on the hanging rod of the moving assembly 201, so that the lifting frame 2021 can be conveniently installed on the moving assembly 201, and the hanging assembly 202 can be conveniently replaced according to actual conditions; the flexible rigging component 2022 is rotatably connected to the front and rear sides of the lifting frame 2021, and can adaptively lift standard knots of various sizes, and is not easy to unhook, thereby enhancing the stability of the lifting component 202.

In the embodiment of the present invention, the flexible rigging component 2022 comprises a metal chain and a shackle disposed at a lower end of the metal chain, specifically, an upper end of the metal chain is rotatably connected to front and rear sides of the lifting frame 2021, a lower end of the metal chain is provided with a detachable shackle, and the flexible rigging component 2022 is fixed by the shackle and the standard knot when the standard knot is lifted, so that the standard knot and the flexible rigging component 2022 are stably connected together, thereby improving the lifting stability.

In the embodiment of the present invention, as shown in fig. 4, the introducing system further includes a dedicated spreader assembly 11 for hanging the lifting frame 2021, a lifting structure 2023 is further disposed in the middle of the upper end of the lifting frame 2021, the lifting structure 2023 includes two supporting plates and a connecting shaft disposed at an interval, the upper ends of the two supporting plates are disposed with through holes, and two ends of the connecting shaft are clamped in the through holes of the two supporting plates; the special spreader assembly 11 comprises a plurality of lifting rods 1101 and a plurality of lifting frame hooks 1102 for hanging the lifting structures 2023, so that the special spreader assembly 11 can hook the lifting structures 2023 on the lifting frames 2021 through the lifting frame hooks 1102, wherein the lifting frame hooks 1102 are hooked on the connecting shafts to realize the hanging function of the lifting frames 2021; the upper ends of the plurality of lifting bars 1101 are rotatably connected to the main hook of the tower crane, and a plurality of lifting frame hooks 1102 are provided at the lower ends of the plurality of lifting bars 1101, respectively. When the standard knot is introduced, the standard knot is connected to the flexible rigging assembly 2022 of the lifting assembly 202, the lifting structure 2023 on the lifting frame 2021 is hooked by using the lifting frame hook 1102 of the special lifting device assembly 11, and then the main hook of the tower crane is controlled to move, so that the lifting assembly 202 with the standard knot is transported upwards and hung on the hanging rod of the moving assembly 201.

In an embodiment of the present invention, a rail is formed on the beam 1, the moving assembly 201 includes a plurality of moving wheels 2011 and a fixed frame 2012, the plurality of moving wheels 2011 are rollably disposed on the rail, the fixed frame 2012 includes a plurality of fixed ends extending upward, the plurality of fixed ends and the plurality of moving wheels 2011 are fixed together in a one-to-one correspondence manner, so that the fixed frame 2012 can move along with the moving wheels 2011, further, the front end and the rear end of the fixed frame 2012 are provided with a hanging rod, and the position of the hook of the lifting frame 2021 corresponds to the position of the hanging rod, so that the lifting frame 2021 can be hung on the hanging rod; when the drum 7 is driven to rotate by the driving mechanism 6, one end of the traction rope 8 applies a pulling force to the moving assembly, so that the moving wheel 2011 moves horizontally along the track on the cross beam 1 under the force.

In the embodiment of the present invention, the cross beam 1 includes an upper wing plate, a lower wing plate, and a web, and the cross section is H-shaped, and the moving wheel 2011 is movably disposed on the lower wing plate. Specifically, crossbeam 1 is H style of calligraphy steel construction, includes last pterygoid lamina and the lower pterygoid lamina that sets up along the horizontal direction, and pterygoid lamina and lower pterygoid lamina are connected to the web along vertical direction, go up the pterygoid lamina, down and form the side between pterygoid lamina and the web and have open groove, remove wheel 2011 and roll along lower pterygoid lamina along vertical direction setting in the recess, and the recess can support removal wheel 2011, also can carry on spacingly to it in vertical direction.

In the embodiment of the present invention, the front end and the rear end of the rail are respectively provided with a limiting baffle 4 to limit the horizontal movement distance of the moving wheel 2011, so as to avoid safety accidents caused by the moving wheel 2011 being separated from the rail.

In another embodiment of the present invention, a novel tower crane is provided, which includes the introduction system for a tower crane in the above-described embodiment.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the specific features in any suitable way, and the utility model will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention.

Claims

1. An introduction system for a tower crane, the introduction system comprising:

the cross beam (1) is arranged at the lower end of a lower support (5) of the tower crane and horizontally extends out of the tower body;

the lead-in part (2), the lead-in part (2) includes moving assembly (201) and hangs and get assembly (202), the moving assembly (201) can move along the crossbeam (1), hang and get assembly (202) and connect in the below of moving assembly (201);

pull rod portion (3), pull rod portion (3) are including connecting rod subassembly (301) and regulation pole (302), the upper end of connecting rod subassembly (301) for can dismantle link and lower extreme with form scalable connection between the upper end of adjusting pole (302), the lower extreme of adjusting pole (302) rotationally connect in on crossbeam (1).

2. The introduction system for the tower crane according to claim 1, wherein the adjusting rod (302) is a hollow structure, the upper end of the hollow structure is provided with an internal thread, and the lower end of the connecting rod assembly (301) is provided with an external thread matched with the internal thread.

3. The introduction system for a tower crane according to claim 2, wherein the connection rod assembly (301) comprises a first connection rod (3011) and a second connection rod (3012), the lower end of the first connection rod (3011) is in threaded connection with the upper end of the adjustment rod (302), the upper end of the first connection rod (3011) is rotatably connected with the lower end of the second connection rod (3012), and the upper end of the second connection rod (3012) is detachably connected with the lower support (5).

4. The introduction system for the tower crane according to any one of claims 1 to 3, further comprising a driving mechanism (6), a reel (7) and a pulling rope (8), wherein the pulling rope (8) is wound on the reel (7), one end of the pulling rope (8) is connected with the front end of the moving assembly (201) by bypassing the front end of the beam, the other end of the pulling rope (8) is connected with the rear end of the moving assembly (201) by bypassing the rear end of the beam, and the driving mechanism (6) drives the reel (7) to rotate so that the pulling rope (8) drives the moving assembly (201) to move horizontally.

5. The introduction system for a tower crane according to claim 1, characterized in that the hoisting assembly (202) comprises a hoisting frame (2021) and a flexible rigging assembly (2022), the hoisting frame (2021) being detachably suspended below the moving assembly (201), the flexible rigging assembly (2022) being connected on both sides of the hoisting frame (2021).

6. The introduction system for a tower crane according to claim 5, characterized in that the flexible rigging assembly (2022) comprises a metal chain and a shackle provided at a lower end of the metal chain.

7. The introduction system for a tower crane according to claim 1, further comprising a dedicated spreader assembly (11) for lifting a lifting frame, wherein a lifting structure (2023) is further provided at an upper end of the lifting frame (2021), the dedicated spreader assembly (11) comprises a plurality of lifting rods (1101) and a plurality of lifting frame hooks (1102) for lifting the lifting structure (2023), wherein the upper ends of the plurality of lifting rods (1101) are rotatably connected to a main hook of the tower crane, and the plurality of lifting frame hooks (1102) are respectively provided at the lower ends of the plurality of lifting rods (1101).

8. The introduction system for the tower crane according to claim 1, wherein a rail is formed on the beam (1), the moving assembly (201) comprises a plurality of moving wheels (2011) and a fixed frame (2012), the plurality of moving wheels (2011) are rollably disposed on the rail, the fixed frame (2012) comprises a plurality of fixed ends protruding upwards, and the plurality of fixed ends and the plurality of moving wheels (2011) are fixed together in a one-to-one correspondence manner.

9. The introduction system for a tower crane according to claim 8, wherein the cross beam comprises an upper wing plate, a lower wing plate and a web and has an H-shaped cross section, and the moving wheel (2011) is movably disposed on the lower wing plate.

10. A tower crane, characterized in that the tower crane comprises an introduction system for a tower crane according to any one of claims 1-9.