CN115818455A - Climbing device for tower crane and tower crane - Google Patents

Climbing device for tower crane and tower crane Download PDF

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Publication number
CN115818455A
CN115818455A CN202211183648.8A CN202211183648A CN115818455A CN 115818455 A CN115818455 A CN 115818455A CN 202211183648 A CN202211183648 A CN 202211183648A CN 115818455 A CN115818455 A CN 115818455A
Authority
CN
China
Prior art keywords
jacking
guide
tower crane
cross beam
climbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211183648.8A
Other languages
Chinese (zh)
Inventor
兰加标
刘圣平
付英雄
姚华辉
孔博群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Zoomlion Construction Crane Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Zoomlion Construction Crane Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd, Zoomlion Construction Crane Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN202211183648.8A priority Critical patent/CN115818455A/en
Publication of CN115818455A publication Critical patent/CN115818455A/en
Priority to PCT/CN2023/114603 priority patent/WO2024066823A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a climbing device for a tower crane and the tower crane, the climbing device for the tower crane comprises a climbing frame, a jacking assembly and a guide assembly, the jacking assembly comprises a jacking oil cylinder movably hinged on the climbing frame and a jacking cross beam connected with the jacking oil cylinder, the jacking oil cylinder is used for driving the jacking cross beam to be separated from the last step of a standard knot and move downwards during the reduction, the guide assembly comprises two guide rails and two guide wheels, the two guide wheels are respectively arranged at two sides of the jacking cross beam, the two guide rails are arranged on the climbing frame in a one-to-one correspondence manner and extend along the downward moving path of the jacking cross beam, the guide rails are used for guiding the correspondingly arranged guide wheels to move downwards towards the direction of the next step close to the standard knot, so that the jacking cross beam moves downwards to be hung onto the next step of the standard knot, an operator does not need to climb onto a corresponding platform to manually hang the jacking cross beam onto the step, and the purposes of reducing labor intensity and improving safety factor are achieved.

Description

Climbing device for tower crane and tower crane
Technical Field
The invention belongs to the technical field of tower cranes, and particularly relates to a climbing device for a tower crane and the tower crane.
Background
In the building and hoisting operation, the climbing device is used for performing the node adding or node reducing operation on the standard node of the tower crane. The outside of standard festival can be located to climbing device's the frame that climbs, jacking cylinder's upper end articulates on climbing the frame, jacking cylinder's lower extreme is connected with the jacking crossbeam, and adding the festival or subtracting the in-process of festival, the both ends of jacking crossbeam all need hang the dress on marking time of standard festival, and the both ends of jacking crossbeam can't hang automatically and mark time, need one to two operating personnel manually hang the jacking crossbeam mark time on, it is even more, the operation platform that supplies operating personnel to stand on most of tower machine climbing frame corresponds and adds the festival operation setting, then when subtracting the festival operation, operating personnel often need climb down to platform in the standard festival or climb and hang the jacking crossbeam on the platform of frame below and mark time on manually, climbing from top to bottom leads to intensity of labour to big, factor of safety is low.
Disclosure of Invention
Aiming at the defects or shortcomings, the invention provides a climbing device for a tower crane and the tower crane, and aims to solve the technical problems of high labor intensity and low safety factor caused by the fact that an operator needs to climb to a platform inside a standard knot or manually hang a jacking cross beam on a step on the lowest platform of a climbing frame.
In order to achieve the purpose, the invention provides a climbing device for a tower crane, wherein the climbing device for the tower crane comprises a climbing frame, a jacking assembly and a guiding assembly; the jacking assembly comprises a jacking oil cylinder movably hinged on the climbing frame and a jacking cross beam connected with the jacking oil cylinder, and the jacking oil cylinder is used for driving the jacking cross beam to be separated from the last step of the standard joint and move downwards when the reduction operation is carried out; the guide assembly comprises two guide rails and two guide wheels, the two guide wheels are respectively arranged on two sides of the jacking cross beam, the two guide rails are arranged on the climbing frame in a one-to-one mode and extend along the downward moving path of the jacking cross beam, and the guide rails are used for guiding the guide wheels which are correspondingly arranged to move downward towards the direction of the next step close to the standard knot so that the jacking cross beam moves downward to be hung onto the next step of the standard knot.
In the embodiment of the invention, the guide rail comprises a first vertical section and an inclined section which are sequentially arranged on the climbing frame from top to bottom, the first vertical section extends along the height direction of the climbing frame, and the inclined section is used for extending downwards from the lower end of the first vertical section towards the direction of the next step close to the standard knot.
In the embodiment of the invention, the guide rail further comprises a second vertical section, the second vertical section is connected with the lower end of the inclined section and extends downwards along the height direction of the climbing frame, and the joint of the inclined section and the second vertical section is used for being higher than the upper end of the next step of the standard knot or being flush with the upper end of the next step of the standard knot.
In the embodiment of the invention, the guide rail is provided with the guide groove, the guide wheel is used for entering the guide groove and moving in the guide groove, and the inclined section is provided with the additional section gap on the groove wall at one side of the guide groove, which is close to the standard section.
In the embodiment of the invention, the guide rail is provided with a guide surface for abutting against one side of the guide wheel far away from the standard knot.
In an embodiment of the invention, the guide assembly further comprises a plurality of welding connectors, and the welding connectors are arranged at intervals and weld the guide rail on the climbing frame.
In an embodiment of the invention, the guide assembly further comprises a plurality of detachable connectors, the plurality of detachable connectors are arranged on the guide rail at intervals and detachably mount the guide rail on the climbing frame.
In an embodiment of the invention, the climbing device further comprises a plug pin mechanism, the plug pin mechanism comprises a telescopic driving piece arranged on the jacking cross beam and a connecting pin connected with the telescopic driving piece, and the telescopic driving piece is used for driving the connecting pin to be inserted into or pulled out of a pin hole in the step of the standard knot.
In the embodiment of the invention, the guide wheel comprises a cantilever shaft which transversely extends out of the side plate of the jacking cross beam and a roller body which is arranged at one end of the cantilever shaft far away from the side plate.
In order to achieve the above object, the present invention further provides a tower crane, wherein the tower crane comprises the climbing device for the tower crane according to the above.
Through the technical scheme, the climbing device for the tower crane provided by the embodiment of the invention has the following beneficial effects:
when the climbing device is used, the climbing device comprises a climbing frame, a jacking assembly and a guide assembly, two guide wheels of the guide assembly are respectively arranged on two sides of a jacking cross beam of the jacking assembly, two guide rails are arranged on the climbing frame in a one-to-one correspondence mode, and are arranged in an extending mode along a downward moving path of the jacking cross beam, when the section reducing operation is carried out, a jacking oil cylinder of the jacking assembly drives the jacking cross beam to be separated from a previous step of a standard section and move downwards, the guide rails can guide the guide wheels correspondingly arranged on the jacking cross beam to move downwards towards a direction close to the next step of the standard section until the jacking cross beam moves downwards to be hung on the next step of the standard section, namely in the section reducing process, the two guide rails arranged on the climbing frame can guide the two guide wheels, the guiding of the jacking cross beam from the previous step to the next step is completed, an operator does not need to climb to a platform inside the standard section or the lowest platform of the climbing frame to manually hang the jacking cross beam on the step, and the safety factor of labor intensity reduction and lifting is achieved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an 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 structural view of a jacking cross beam hanging on a previous step according to an embodiment of the invention;
FIG. 2 is a schematic view of the jacking cross beam hanging on the next step according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a climbing device in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a guide rail according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a guide rail according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of the construction of a jacking beam and a latch mechanism according to an embodiment of the present invention.
Description of the reference numerals
1. Climbing frame 11 climbing main chord tube
2. Jacking oil cylinder 3 jacking cross beam
31. Side board of main connection board 32
4. First vertical section of guide rail 41
42. Inclined section 43 second vertical section
44. Guide groove 45 additional section gap
46. Guide surface 47 side plate
48. Guide wheel of bottom plate 5
51. Cantilever shaft 52 roller body
6. Detachable connecting piece of welding connecting piece 7
71. Connecting hole 8 bolt mechanism
81. Mounting plate 82 telescopic driving piece
83. Connecting pin 84 guide
9. Standard knot 91 standard main chord tube
92. The previous step 93 and the next step
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
The climbing device for a tower crane of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a climbing device for a tower crane, wherein the climbing device for the tower crane comprises:
a climbing frame 1;
the jacking assembly comprises a jacking oil cylinder 2 movably hinged on the climbing frame 1 and a jacking cross beam 3 connected with the jacking oil cylinder 2, wherein the jacking oil cylinder 2 is used for driving the jacking cross beam 3 to be separated from the last step 92 of the standard joint 9 and move downwards when the reduction operation is carried out;
the guide assembly comprises two guide rails 4 and two guide wheels 5, wherein the two guide wheels 5 are respectively arranged on two sides of the jacking cross beam 3, the two guide rails 4 are arranged on the climbing frame 1 in a one-to-one correspondence manner and extend along the downward moving path of the jacking cross beam 3, the guide rails 4 are used for guiding the guide wheels 5 correspondingly arranged to move downward towards the direction of the next step 93 close to the standard knot 9, so that the jacking cross beam 3 is hung downwards onto the next step 93 of the standard knot 9.
When the climbing device is used, the climbing device comprises a climbing frame 1, a jacking assembly and a guiding assembly, two guiding wheels 5 of the guiding assembly are respectively arranged on two sides of a jacking beam 3 of the jacking assembly, two guide rails 4 are arranged on the climbing frame 1 in a one-to-one correspondence manner with the two guiding wheels 5 and are arranged in an extending manner along a downward moving path of the jacking beam 3, when the step-down operation is performed, a jacking oil cylinder 2 of the jacking assembly drives the jacking beam 3 to be separated from a last step 92 of a standard section 9 and move downwards, the guide rails 4 can guide the corresponding guiding wheels 5 arranged on the jacking beam 3 to move downwards towards a direction close to a next step 93 of the standard section 9 until the jacking beam 3 moves downwards to be hung on the next step 93 of the standard section 9, namely, in the step-down process, the two guiding wheels 5 can guide the two guiding wheels 5, the jacking beam 3 is guided from the last step 92 to the next step 93, and the safety factor of the climbing beam 3 is achieved without an operator climbing to a platform in the standard section or a bottommost labor platform of the climbing frame 1, and the lifting intensity of the step is reduced.
It should be particularly noted that, during the section reducing operation, the jacking cylinder 2 is used for driving the jacking cross beam 3 to separate from the last step 92 of the standard section 9 and move downwards until being hung on the next standard section 9; and when the node adding operation is performed, the jacking cylinder 2 is used for driving the jacking cross beam 3 to be separated from the next step 93 of the standard node 9 and move upwards until the next step 92 is hung on the previous step.
Referring to fig. 3 to 5, in the embodiment of the present invention, the guide rail 4 includes a first vertical section 41 and an inclined section 42, which are sequentially disposed on the climbing frame 1 from top to bottom, the first vertical section 41 is disposed to extend along the height direction of the climbing frame 1, and the inclined section 42 is disposed to extend from the lower end of the first vertical section 41 to be inclined downward toward the next step 93 near the standard knot 9. The guide wheel 5 is guided into the inclined section 42 by the arrangement of the first vertical section 41, and the inclined section 42 can smoothly guide the guide wheel 5 toward the next step 93 adjacent to the standard knot 9. Specifically, the jacking oil cylinder 2 is controlled to retract slightly, the jacking oil cylinder 2 can be detached from the hanging surface of the last step 92 of the standard joint 9, and a free state is recovered, because the jacking oil cylinder 2 is movably hinged on the climbing frame 1, the jacking oil cylinder 2 in the free state can drive the guide wheel 5 on the jacking cross beam 3 to rotate to the upper end of the first vertical section 41, so that the guide wheel 5 enters a guide path of the guide rail 4, in the process that the jacking cross beam 3 is driven by the jacking oil cylinder 2 to move downwards, because the guide wheel 5 is limited by the guide rail 4, and the inclined section 42 of the guide rail 4 is inclined downwards and extends towards the direction close to the next step 93 of the standard joint 9, and the jacking cross beam 3 can be guided and hung on the next step 93. The inclination angle of the inclined section 42 can be set according to specific requirements, and the heights of the first vertical section 41 and the inclined section 42 can also be set according to specific requirements. Of course, the invention is not limited thereto, but it is also possible that the guide rail 4 is provided all the way to the inclined section 42.
In the embodiment of the invention, the guide rail 4 further comprises a second vertical section 43, the second vertical section 43 is connected with the lower end of the inclined section 42 and extends downwards along the height direction of the climbing frame 1, and the joint of the inclined section 42 and the second vertical section 43 is used for being higher than the upper end of the next step 93 of the standard knot 9 or being flush with the upper end of the next step 93 of the standard knot 9. In order to hang the jacking crossbeam 3 on marking time of standard festival 9 steadily, the upper end of marking time has all been seted up and has been hung the dress mouth, support jacking crossbeam 3 to hang to form the hanging face of indent and establish, and hang the dress mouth and set up in marking time one side of being close to the standard main chord tube 91 of standard festival 9, the one side that standard main chord tube 91 was kept away from to the upper end of marking time can play limiting displacement to hanging intraoral jacking crossbeam 3 of dress, then the upper end of marking time is higher than the hanging face, with the upper end of jacking crossbeam 3 direction to marking time, still need have one section direction to hang the vertical process of moving down on the dress face, and the setting of second vertical section 43 is just convenient for hang jacking crossbeam 3 smoothly on the hanging face of the dress mouth of hanging of next marking time 93. It should be noted that if the joint of the inclined section 42 and the second vertical section 43 is higher than the upper end of the next step 93 of the standard knot 9, the inclination angle of the inclined section 42 needs to be set larger, and if the joint of the inclined section 42 and the second vertical section 43 is flush with the upper end of the next step 93 of the standard knot 9, the inclination angle of the inclined section 42 can be set smaller.
As shown in fig. 3 and 4, in the embodiment of the present invention, a guide groove 44 is formed on the guide rail 4, the guide wheel 5 is configured to enter the guide groove 44 and move in the guide groove 44, and the inclined section 42 is configured to have a node-adding notch 45 on a side wall of the guide groove 44, which is configured to be close to the standard node 9. The guide groove 44 can strictly limit the downward movement path of the guide wheel 5, prevent the jacking cross beam 3 from shaking during downward movement, and accurately guide and hang the jacking cross beam on the next step 93. Meanwhile, in the process of section adding operation, the jacking oil cylinder 2 drives the jacking cross beam 3 to move upwards from the next step 93 to hang the upper standard section 9, the section adding gap 45 is formed, so that the guide wheel 5 can leave the guide rail 4 from the section adding gap 45 conveniently, and the normal upward movement of the jacking cross beam 3 cannot be influenced. Specifically, the two side plates 47 may be disposed at intervals to form side walls of the guide groove 44, of course, the bottom wall of the guide groove 44 may be formed by a bottom plate 48 disposed on the climbing frame 1, the two side plates 47 are respectively connected with the bottom plate 48, that is, the guide rail 4 may be made of channel steel.
As shown in fig. 5, in the embodiment of the present invention, the guide rail 4 is formed with a guide surface 46 for abutting on a side of the guide wheel 5 away from the standard knot 9. That is, the guide surface 46 can laterally stop the downward movement of the guide wheel 5 to guide the guide wheel 5 to move toward the next step 93 of the standard pitch 9. In particular, the guide rail 4 may be a side plate 47, and the side plate 47 is configured to be disposed on a side of the guide wheel 5 away from the standard knot 9, and a side of the guide wheel 5 close to the standard knot 9 is of an open design, so that the guide rail 4 does not affect the upward movement of the jacking beam 3 in the knot-adding operation. Of course, in order to facilitate the installation of the guide rail 4, the side plates 47 may be provided with bottom plates 48, that is, the guide rail 4 may be made of angle steel.
Referring again to fig. 4, in the embodiment of the present invention, the guiding assembly further includes a plurality of welding connectors 6, and the plurality of welding connectors 6 are disposed at intervals and weld the guide rail 4 to the climbing frame 1. I.e. the guide rail 4 can be stably mounted on the climbing frame 1 by a plurality of welded connections 6 by means of a welded connection. Specifically, the welding connector 6 may be a channel steel, one side of the channel steel is welded to the bottom plate 48 of the guide rail 4, and the other side of the channel steel is welded to the climbing main chord tube 11 of the climbing frame 1.
Referring again to fig. 5, in the embodiment of the present invention, the guiding assembly further comprises a plurality of detachable connectors 7, and the plurality of detachable connectors 7 are arranged on the guide rail 4 at intervals and detachably mount the guide rail 4 on the climbing frame 1. That is, the guide rail 4 can be mounted on the climbing frame 1 by a plurality of detachable connectors 7, which facilitates the replacement and maintenance of the guide rail 4. Specifically, the detachable connecting piece 7 is welded on the bottom plate 48 of the guide rail 4, a connecting hole 71 is opened on a portion extending out of the bottom plate 48, a flange plate is welded on the climbing main chord tube 11 of the climbing frame 1, and the guide rail 4 is detachably mounted on the climbing main chord tube 11 by passing through the connecting hole 71 and the flange plate in sequence through bolts.
Referring to fig. 3 and 6, in the embodiment of the invention, the climbing device further comprises a latch mechanism 8, the latch mechanism 8 comprises a telescopic driving member 82 arranged on the jacking cross beam 3 and a connecting pin 83 connected with the telescopic driving member 82, and the telescopic driving member 82 is used for driving the connecting pin 83 to be inserted into or pulled out of a pin hole on a step of the standard knot 9. When jacking crossbeam 3 need break away from last mark time 92 promptly, can control flexible driving piece 82 and drive connecting pin 83 and extract the pinhole of marking time to hang under jacking crossbeam 3 and locate next mark time 93 on, can drive the pinhole that connecting pin 83 inserted the mark time through controlling flexible driving piece 82, with the automatic plug that realizes connecting pin 83, need not the manual plug of operating personnel. Specifically, the telescopic drive 82 may be an electric push rod.
Specifically, the side plate 32 of the jacking beam 3 is formed with a hook portion hung on a step, the latch mechanism 8 further includes an installation plate 81 arranged on the side plate 32 of the jacking beam 3, and the telescopic driving member 82 is arranged on a portion of the installation plate 81 extending towards the inner side of the side plate 32, that is, the telescopic driving member 82 is located on the inner side of the side plate 32, it should be specifically noted that the jacking beam 3 includes a connection main plate 31 and two side plates 32 located on both sides of the connection main plate 31, and the inner side of the side plate 32 means an area between the two side plates 32. Simultaneously, side board 32 still is provided with the guide 84 that is used for supplying connecting pin 83 to wear to establish in the front side of flexible driving piece 82, guide 84 can be bolt bent plate and/or deflector, the both ends of bolt bent plate are installed in the inboard of side board 32, the protruding uplift in middle part of bolt bent plate, be formed with the first bolt hole that supplies connecting pin 83 to wear to cooperate with the inboard of side board 32, the deflector setting is in the inboard of side board 32 and is seted up the second bolt hole that supplies connecting pin 83 to wear to establish.
In the embodiment of the present invention, the guide wheel 5 includes a cantilever shaft 51 laterally protruding from the side plate 32 of the lifting beam 3, and a roller body 52 provided at an end of the cantilever shaft 51 remote from the side plate 32. That is, the roller body 52 extends transversely from the lifting beam 3 through the cantilever shaft 51, the cantilever shaft 51 is positioned outside the side plate 32, the latch mechanism 8 is positioned inside the side plate 32, and the latch mechanism 8 is positioned above the cantilever shaft 51.
In addition, the invention also provides a tower crane, wherein the tower crane comprises the climbing device for the tower crane. Since the tower crane adopts all the technical schemes of the above embodiments, all the beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and are not repeated herein.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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 description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A climbing device for a tower crane, comprising:
a climbing frame (1);
the jacking assembly comprises a jacking oil cylinder (2) movably hinged to the climbing frame (1) and a jacking cross beam (3) connected with the jacking oil cylinder (2), and the jacking oil cylinder (2) is used for driving the jacking cross beam (3) to be separated from a previous step (92) of the standard joint (9) and move downwards when the reduction operation is carried out;
the guide assembly comprises two guide rails (4) and two guide wheels (5), the two guide wheels (5) are respectively arranged on two sides of the jacking cross beam (3), the two guide rails (4) are arranged on the climbing frame (1) in a one-to-one correspondence mode and extend along the downward moving path of the jacking cross beam (3), and the guide rails (4) are used for guiding the correspondingly arranged guide wheels (5) to move downward towards the direction close to the next step (93) of the standard joint (9) so that the jacking cross beam (3) moves downward to be hung onto the next step (93) of the standard joint (9).
2. The climbing device for a tower crane according to claim 1, wherein the guide rail (4) comprises a first vertical section (41) and an inclined section (42) which are sequentially arranged on the climbing frame (1) from top to bottom, the first vertical section (41) extends along the height direction of the climbing frame (1), and the inclined section (42) is arranged in a downward inclined extending manner from the lower end of the first vertical section (41) to the direction of the next step (93) close to the standard knot (9).
3. The climbing device for a tower crane according to claim 2, wherein the guide rail (4) further comprises a second vertical section (43), the second vertical section (43) is connected with the lower end of the inclined section (42) and extends downwards along the height direction of the climbing frame (1), and the joint of the inclined section (42) and the second vertical section (43) is used for being higher than the upper end of the next step (93) of the standard knot (9) or being flush with the upper end of the next step (93) of the standard knot (9).
4. The climbing device for a tower crane according to claim 2, wherein a guide groove (44) is formed on the guide rail (4), the guide wheel (5) is used for entering the guide groove (44) and moving in the guide groove (44), and the inclined section (42) is provided with a joint gap (45) on one side groove wall of the guide groove (44) which is used for being close to the standard joint (9).
5. Climbing device for a tower crane according to claim 1, characterized in that the guide rail (4) is formed with a guide surface (46) for abutment with the side of the guide wheel (5) remote from the standard knot (9).
6. The climbing device for a tower crane according to any one of claims 1 to 5, wherein the guiding assembly further comprises a plurality of welding connectors (6), the plurality of welding connectors (6) are arranged at intervals and weld the guide rail (4) on the climbing frame (1).
7. The climbing device for a tower crane according to any of claims 1 to 5, wherein the guiding assembly further comprises a plurality of detachable connection members (7), the plurality of detachable connection members (7) are arranged on the guide rail (4) at intervals and detachably mount the guide rail (4) on the climbing frame (1).
8. The climbing device for a tower crane according to any one of claims 1 to 5, wherein the climbing device further comprises a bolt mechanism (8), the bolt mechanism (8) comprises a telescopic driving member (82) arranged on the jacking cross beam (3) and a connecting pin (83) connected with the telescopic driving member (82), and the telescopic driving member (82) is used for driving the connecting pin (83) to be inserted into or pulled out of a pin hole on a step of the standard knot (9).
9. The climbing device for a tower crane according to any one of claims 1 to 5, wherein the guide wheel (5) comprises a cantilever shaft (51) transversely protruding from a side plate (32) of the jacking cross beam (3) and a roller body (52) arranged at one end of the cantilever shaft (51) far away from the side plate (32).
10. A tower crane, characterized in that it comprises a climbing device for a tower crane according to any one of claims 1 to 9.
CN202211183648.8A 2022-09-27 2022-09-27 Climbing device for tower crane and tower crane Pending CN115818455A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211183648.8A CN115818455A (en) 2022-09-27 2022-09-27 Climbing device for tower crane and tower crane
PCT/CN2023/114603 WO2024066823A1 (en) 2022-09-27 2023-08-24 Climbing device for tower crane, and tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211183648.8A CN115818455A (en) 2022-09-27 2022-09-27 Climbing device for tower crane and tower crane

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Publication Number Publication Date
CN115818455A true CN115818455A (en) 2023-03-21

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Application Number Title Priority Date Filing Date
CN202211183648.8A Pending CN115818455A (en) 2022-09-27 2022-09-27 Climbing device for tower crane and tower crane

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WO2024066823A1 (en) * 2022-09-27 2024-04-04 中联重科建筑起重机械有限责任公司 Climbing device for tower crane, and tower crane

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CN210683024U (en) * 2019-09-23 2020-06-05 河南四方建设管理有限公司 Monitoring device for monitoring jacking system
CN115818455A (en) * 2022-09-27 2023-03-21 中联重科股份有限公司 Climbing device for tower crane and tower crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024066823A1 (en) * 2022-09-27 2024-04-04 中联重科建筑起重机械有限责任公司 Climbing device for tower crane, and tower crane

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