CN115448176B - Self-elevating tower crane frame automatic climbing device - Google Patents
Self-elevating tower crane frame automatic climbing device Download PDFInfo
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- CN115448176B CN115448176B CN202211098598.3A CN202211098598A CN115448176B CN 115448176 B CN115448176 B CN 115448176B CN 202211098598 A CN202211098598 A CN 202211098598A CN 115448176 B CN115448176 B CN 115448176B
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
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- 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
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- 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
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Abstract
Description
技术领域technical field
本申请涉及起重机技术领域,具体涉及一种自升式塔式起重机套架自动爬升装置。The present application relates to the technical field of cranes, in particular to an automatic climbing device for a self-elevating tower crane casing.
背景技术Background technique
目前,在国内外高层建筑施工中几乎均采用装有需要人工操作顶升机构的自升式塔式起重机,其主要原因是这种塔式起重机能随建筑物升高而升高,对高层建筑物适应性强;现有塔式起重机顶升液压系统有液压站、顶升油缸、高压软管、专用液压油及顶升横梁等组成。它可以顶升和下降套架以上部分,并可使其停留在行程范围内的任何位置,以便塔机标准节的安装和拆卸。At present, in the construction of high-rise buildings at home and abroad, self-elevating tower cranes equipped with jacking mechanisms that require manual operation are almost all used. The main reason is that the tower cranes can rise with the rise of the building. Strong adaptability to objects; the existing tower crane jacking hydraulic system consists of a hydraulic station, jacking cylinders, high-pressure hoses, special hydraulic oil and jacking beams. It can lift and lower the upper part of the sleeve frame, and make it stay at any position within the stroke range, so as to facilitate the installation and removal of the standard section of the tower crane.
现有的自升式塔式起重机顶升系统在运行过程中,每一个套架的顶升作业工序都需要依赖人工来完成,不仅耗时费力,而且自动化程度非常低,甚至有时候会对在高中进行作业的操作人员生命安全造成威胁。During the operation of the existing self-elevating tower crane jacking system, the jacking operation process of each frame needs to be completed manually, which is not only time-consuming and laborious, but also has a very low degree of automation, and sometimes even affects the The life safety of the operators working in the high school is threatened.
发明内容Contents of the invention
鉴于现有技术中的上述缺陷或不足,本申请旨在提供一种自升式塔式起重机套架自动爬升装置,包括:In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide a self-elevating tower crane sleeve frame automatic climbing device, including:
塔身,所述塔身包括多个沿第一方向组合设置的标准节,每个所述标准节上沿所述第一方向设置有至少一个限位件组,每个所述限位件组包括两个沿第二方向分布的限位件;所述第二方向垂直于所述第一方向;The tower body, the tower body includes a plurality of standard sections arranged in combination along the first direction, each of the standard sections is provided with at least one limiting member group along the first direction, each of the limiting member groups including two limiters distributed along a second direction; the second direction is perpendicular to the first direction;
回转部,所述回转部设于所述塔身的顶部,与所述塔身可拆卸连接;a turning part, the turning part is arranged on the top of the tower body, and is detachably connected with the tower body;
套架本体,所述套架本体套设于所述塔身外,其顶端与所述回转部底端连接;所述套架本体具有第一横梁,所述第一横梁的延伸方向为所述第二方向;所述第一横梁设于所述套架本体的靠近所述限位件组侧;The sleeve body, the sleeve body is sleeved outside the tower body, and its top is connected to the bottom end of the turning part; the sleeve body has a first crossbeam, and the extension direction of the first crossbeam is the The second direction: the first beam is arranged on the side of the sleeve body close to the limiter group;
顶升机构,所述顶升机构的顶端与所述第一横梁连接,所述顶升机构具有第一状态、第二状态和第三状态;a jacking mechanism, the top of the jacking mechanism is connected to the first beam, and the jacking mechanism has a first state, a second state and a third state;
当所述顶升机构处于所述第一状态时,所述顶升机构底端悬空;When the jacking mechanism is in the first state, the bottom end of the jacking mechanism is suspended;
当所述顶升机构处于所述第二状态时,所述顶升机构的底端与所述限位件连接;When the jacking mechanism is in the second state, the bottom end of the jacking mechanism is connected to the limiting member;
当所述顶升机构处于第三状态时,所述顶升机构伸长,带动所述套架本体和所述回转部沿所述第一方向向上移动。When the jacking mechanism is in the third state, the jacking mechanism is extended to drive the sleeve body and the rotating part to move upward along the first direction.
根据本申请实施例提供的技术方案,所述限位件的顶端设有第一凹槽,所述第一凹槽的深度方向为所述第一方向;According to the technical solution provided by the embodiment of the present application, a first groove is provided at the top of the limiting member, and the depth direction of the first groove is the first direction;
所述顶升机构包括:The jacking mechanism includes:
顶升横梁,所述顶升横梁的延伸方向为所述第二方向;所述顶升横梁的两端设有沿所述第二方向延伸的定位件,所述定位件可嵌入所述第一凹槽内;The jacking beam, the extension direction of the jacking beam is the second direction; the two ends of the jacking beam are provided with positioning pieces extending along the second direction, and the positioning pieces can be embedded in the first in the groove;
第一伸缩组件,所述第一伸缩组件的底端与所述顶升横梁铰接,其铰接轴的方向为第三方向,所述第一伸缩组件顶端与所述第一横梁铰接,其铰接轴的方向为所述第二方向,所述第三方向垂直于所述第二方向且垂直于所述第一方向;所述顶升机构处于所述第一状态时,所述第一伸缩组件的延伸方向为所述第一方向,所述第一伸缩组件可沿其自身的延伸方向伸缩。The first telescopic assembly, the bottom end of the first telescopic assembly is hinged to the jacking beam, the direction of the hinge axis is the third direction, the top end of the first telescopic assembly is hinged to the first beam, and the hinge axis The direction is the second direction, the third direction is perpendicular to the second direction and perpendicular to the first direction; when the jacking mechanism is in the first state, the first telescopic assembly The extending direction is the first direction, and the first telescoping component can expand and contract along its own extending direction.
根据本申请实施例提供的技术方案,所述自动爬升装置还包括第一驱动机构,所述第一驱动机构设于顶升横梁远离所述塔身的一侧,且所述第一驱动机构的外壁与所述套架本体连接;所述第一驱动机构用于驱动所述顶升机构的底端向靠近所述塔身侧倾斜,至所述定位件置于所述第一凹槽开口的正上方。According to the technical solution provided by the embodiment of the present application, the automatic climbing device further includes a first drive mechanism, the first drive mechanism is arranged on the side of the jacking beam away from the tower body, and the first drive mechanism The outer wall is connected to the frame body; the first driving mechanism is used to drive the bottom end of the jacking mechanism to tilt toward the side close to the tower until the positioning member is placed in the opening of the first groove Directly above.
根据本申请实施例提供的技术方案,所述套架本体的底端设有爬爪机构,所述爬爪机构远离所述套架本体的一端具有限位面;所述爬爪机构具有第四状态、第五状态和第六状态;According to the technical solution provided by the embodiment of the present application, the bottom end of the sleeve body is provided with a crawler mechanism, and the end of the crawler mechanism away from the sleeve body has a limit surface; the crawler mechanism has a fourth state, fifth state and sixth state;
当所述爬爪机构处于所述第四状态时,所述限位面处于所述套架本体和所述塔身之间;When the crawler mechanism is in the fourth state, the limit surface is between the sleeve body and the tower body;
当所述爬爪机构处于所述第五状态时,所述限位面处于所述第一凹槽开口的正上方;When the crawler mechanism is in the fifth state, the limiting surface is directly above the opening of the first groove;
当所述爬爪机构处于所述第六状态时,所述限位面嵌入所述第一凹槽内。When the crawler mechanism is in the sixth state, the limiting surface is embedded in the first groove.
根据本申请实施例提供的技术方案,所述套架本体的底端具有第二横梁,所述第二横梁的延伸方向为所述第三方向;所述爬爪机构包括:According to the technical solution provided by the embodiment of the present application, the bottom end of the sleeve body has a second crossbeam, and the extending direction of the second crossbeam is the third direction; the crawling claw mechanism includes:
第二伸缩组件,所述伸缩组件的外壁与所述第二横梁远离所述塔身侧连接,所述第二伸缩组件的延伸方向与所述第一方向形成第一夹角,所述第一夹角的开口朝向为远离所述回转部的方向;所述第二伸缩组件可沿其延伸方向伸缩;The second telescopic assembly, the outer wall of the telescopic assembly is connected to the side of the second beam away from the tower body, the extension direction of the second telescopic assembly forms a first angle with the first direction, and the first The opening of the included angle is oriented away from the rotation part; the second telescopic assembly can be telescopic along its extending direction;
限位板,所述限位板为L型,其开口方向为远离所述回转部的方向,所述限位板靠近所述塔身的端部具有所述限位面,所述限位板远离所述限位面的一端与所述第二伸缩组件铰接,其铰接轴的方向为所述第三方向;A limit plate, the limit plate is L-shaped, its opening direction is away from the direction of the turning part, the end of the limit plate close to the tower body has the limit surface, the limit plate One end away from the limiting surface is hinged to the second telescopic assembly, and the direction of the hinge axis is the third direction;
两个导向支架,沿所述第三方向设置于所述第二横梁上,所述限位板设于两个所述导向支架之间,所述限位板与两个所述导向支架铰接,其铰接轴的方向为所述第三方向。Two guide brackets are arranged on the second beam along the third direction, the limiting plate is arranged between the two guiding brackets, the limiting plate is hinged to the two guiding brackets, The direction of its hinge axis is the third direction.
根据本申请实施例提供的技术方案,所述顶升横梁的两端设有与所述定位件相对应的防脱组件,所述防脱组件用于防止所述定位件从所述第一凹槽内脱离。According to the technical solution provided in the embodiment of the present application, the two ends of the jacking beam are provided with anti-loosening components corresponding to the positioning parts, and the anti-loosening components are used to prevent the positioning parts from falling out of the first recess. out of the slot.
根据本申请实施例提供的技术方案,所述防脱组件包括:According to the technical solution provided by the embodiment of the present application, the anti-loosening component includes:
安全销,所述安全销设于所述顶升横梁靠近所述塔身侧,所述安全销的延伸方向为所述第二方向;A safety pin, the safety pin is arranged on the side of the jacking beam close to the tower body, and the extension direction of the safety pin is the second direction;
第三伸缩组件,所述第三伸缩组件中部与所述顶升横梁连接,其一端连接有所述安全销,所述第三伸缩组件用于驱动所述安全销沿所述第二方向移动。A third telescopic assembly, the middle part of the third telescopic assembly is connected to the jacking beam, and one end of the third telescopic assembly is connected to the safety pin, and the third telescopic assembly is used to drive the safety pin to move along the second direction.
根据本申请实施例提供的技术方案,所述第一伸缩组件上设有位移测量组件,所述位移测量组件用于测量所述第一伸缩组件的伸缩量。According to the technical solution provided by the embodiment of the present application, the first telescopic assembly is provided with a displacement measurement assembly, and the displacement measurement assembly is used to measure the amount of expansion and contraction of the first telescopic assembly.
根据本申请实施例提供的技术方案,所述第一伸缩组件的两侧设有第一导向组件,所述第一导向组件的顶端与所述第一横梁通过万向轴连接,其底端与所述顶升横梁铰接,其铰接轴的方向为所述第三方向;所述第一导向组件用于防止所述顶升横梁倾斜。According to the technical solution provided by the embodiment of the present application, a first guide assembly is provided on both sides of the first telescopic assembly, the top end of the first guide assembly is connected to the first beam through a cardan shaft, and the bottom end of the first guide assembly is connected to the The jacking beam is hinged, and the direction of the hinge axis is the third direction; the first guide assembly is used to prevent the jacking beam from tilting.
根据本申请实施例提供的技术方案,所述顶升横梁的两端设有与所述定位件相对应的角度测量组件,所述角度测量组件用于检测所述第一驱动机构驱动所述顶升机构倾斜的角度。According to the technical solution provided by the embodiment of the present application, the two ends of the jacking beam are provided with an angle measurement assembly corresponding to the positioning member, and the angle measurement assembly is used to detect whether the first driving mechanism drives the jack. The tilting angle of the lifting mechanism.
综上所述,本申请提出一种自升式塔式起重机套架自动爬升装置,塔身包括多个标准节组装完成,每个标准节上包括沿第一方向排列的限位件组,每个限位件组包括沿第二方向分布的两个限位件;通过塔身外套设有套架本体,套架本体的顶端连接有回转部,回转部与塔身可拆卸连接;套架本体具有第一横梁,第一横梁顶部连接有顶升机构,顶升机构具有第一状态、第二状态和第三状态,当顶升机构处于第一状态时,顶升机构处于垂直状态且底部悬空,当顶升机构处于第二状态时,顶升机构的底端和限位件连接,将塔身与所述回转部拆除连接后,顶升机构的伸长,带动套架本体和回转部向上移动,使得塔身顶端和回转部之间出现安装空间,进行继续连接新的标准节;本方案采用全自动的方式完成套架本体的爬升作业,不仅省时省力,不需依赖人工完成,提高了安全性。In summary, this application proposes an automatic climbing device for a self-elevating tower crane. The tower body includes a plurality of standard sections assembled, and each standard section includes a set of limiting parts arranged along the first direction. A set of limiting parts includes two limiting parts distributed along the second direction; a sheath body is provided through the outer cover of the tower body, the top of the sheath body is connected with a turning part, and the turning part is detachably connected with the tower body; There is a first beam, the top of the first beam is connected with a jacking mechanism, the jacking mechanism has a first state, a second state and a third state, when the jacking mechanism is in the first state, the jacking mechanism is in a vertical state and the bottom is suspended , when the jacking mechanism is in the second state, the bottom end of the jacking mechanism is connected to the stopper, and after the tower body is removed from the turning part, the elongation of the jacking mechanism drives the sleeve body and the turning part upward Move, so that there is an installation space between the top of the tower body and the slewing part, and continue to connect the new standard section; this scheme uses a fully automatic method to complete the climbing operation of the frame body, which not only saves time and effort, does not need to rely on manual completion, and improves security.
附图说明Description of drawings
图1为本申请实施例提供的一种自升式塔式起重机套架自动爬升装置的结构示意图;Fig. 1 is a schematic structural diagram of a self-elevating tower crane sleeve frame automatic climbing device provided by the embodiment of the present application;
图2为本申请实施例提供的标准节的结构示意图;FIG. 2 is a schematic structural diagram of a standard section provided by the embodiment of the present application;
图3为本申请实施例提供的顶升横梁正面的结构示意图;Fig. 3 is a schematic structural view of the front of the jacking beam provided by the embodiment of the present application;
图4为本申请实施例提供的套架本体和爬爪机构的结构示意图;Fig. 4 is a schematic structural view of the sleeve body and the claw mechanism provided by the embodiment of the present application;
图5为本申请实施例提供的第一驱动组件的结构示意图;FIG. 5 is a schematic structural diagram of a first drive assembly provided in an embodiment of the present application;
图6为图4中A的局部放大图;Fig. 6 is a partially enlarged view of A in Fig. 4;
图7为本申请实施例提供的顶升横梁背面的结构示意图;Fig. 7 is a structural schematic diagram of the back of the jacking beam provided by the embodiment of the present application;
图8为本申请实施例提供的顶升机构倾斜结构示意图;Fig. 8 is a schematic diagram of the tilting structure of the jacking mechanism provided by the embodiment of the present application;
图9为本申请实施例提供的顶升机构处于第三状态时的侧视图;Fig. 9 is a side view of the jacking mechanism provided in the embodiment of the present application when it is in a third state;
图10为本申请实施例提供的爬爪机构处于第五状态的结构示意图;Fig. 10 is a schematic structural view of the crawling claw mechanism provided in the embodiment of the present application in the fifth state;
图11为本申请实施例提供的爬爪机构处于第六状态的结构示意图。Fig. 11 is a schematic structural diagram of the claw crawling mechanism in the sixth state provided by the embodiment of the present application.
图中所述文字标注表示为:The text labels in the figure are expressed as:
100、塔身;110、标准节;120、限位件;121、第一凹槽;1211、爬爪凹槽;1212、定位凹槽;100, the tower body; 110, the standard section; 120, the limit piece; 121, the first groove; 1211, the climbing claw groove; 1212, the positioning groove;
200、回转部;210、第一连接支架;200. Rotary part; 210. The first connecting bracket;
300、套架本体;301、第一横梁;302、安装框;303、第二横梁;304、第三横梁;300, the frame body; 301, the first beam; 302, the installation frame; 303, the second beam; 304, the third beam;
400、顶升机构;410、顶升横梁;411、第一挡板;412、第二挡板;413、加强环;414、顶板;415、第一限位板;416、第二限位板;420、定位件;421、第二凹槽;430、第一伸缩组件;431、第一伸缩杆;432、位移测量组件;440、防脱组件;441、安全销;442、第三伸缩组件;450、第一导向组件;451、万向轴;453、第五伸缩杆;454、限位开关;460、角度测量组件;400, jacking mechanism; 410, jacking beam; 411, first baffle plate; 412, second baffle plate; 413, reinforcement ring; 414, top plate; 415, first limit plate; 416, second limit plate ;420, positioning piece; 421, second groove; 430, first telescopic assembly; 431, first telescopic rod; 432, displacement measurement assembly; 440, anti-off assembly; 441, safety pin; 442, third telescopic assembly ; 450, the first guide assembly; 451, the cardan shaft; 453, the fifth telescopic rod; 454, the limit switch; 460, the angle measurement assembly;
500、第一驱动组件;510、第二伸缩杆;520、滚轮;500, the first drive assembly; 510, the second telescopic rod; 520, the roller;
600、爬爪机构;610、第二伸缩组件;620、第三伸缩杆;630、限位板;631、限位面;632、过渡板;633、爬爪;640、导向支架。600, climbing claw mechanism; 610, second telescopic assembly; 620, third telescopic rod; 630, limiting plate; 631, limiting surface; 632, transition plate; 633, climbing claw; 640, guide bracket.
具体实施方式Detailed ways
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是,此处所描述的具体实施例仅仅用于解释相关发明,而非对该发明的限定。另外还需要说明的是,为了便于描述,附图中仅示出了与发明相关的部分。The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.
实施例1Example 1
诚如背景技术中提到的,针对现有技术中的问题,本申请提出了一种自升式塔式起重机套架自动爬升装置,如图1所示,包括:As mentioned in the background technology, in view of the problems in the prior art, the present application proposes a self-elevating tower crane sleeve frame automatic climbing device, as shown in Figure 1, including:
塔身100,所述塔身100包括多个沿第一方向组合设置的标准节110,每个所述标准节100上沿所述第一方向设置有至少一个限位件组,每个所述限位件组包括两个沿第二方向分布的限位件120;所述第二方向垂直于所述第一方向;其中,所述第一方向为竖直方向,所述第二方向为水平方向,所述塔身100由多个所述标准节110沿竖直方向组装形成,所述标准节110为由多根钢管组成的长方形架体;可选地,每个所述标准节110的两个相邻的长边上都设有两个所述限位件120,两个相邻边的相对应的所述限位件120的高度相同;The
回转部200,所述回转部200设于所述塔身100的顶部,与所述塔身100可拆卸连接;具体地,所述回转部200为安装起重机的回转支座,所述塔身100的最上面的所述标准节110的顶端四角通过高强度螺栓与所述回转支座的底面四角连接;所述回转部200的四角向外伸出有第一连接支架210;所述回转部200上安装有起重臂,起重臂可通过所述回转部200转动;Turning
套架本体300,所述套架本体300套设于所述塔身100外,其顶端与所述回转部200底端连接;所述套架本体300具有第一横梁301,所述第一横梁301的延伸方向为所述第二方向;所述第一横梁301设于所述套架本体300的靠近所述限位件组侧;所述套架本体300也为长方体架体;其顶端四角通过螺栓与所述第一连接支架210连接;
顶升机构400,所述顶升机构400的顶端与所述第一横梁301连接,所述顶升机构400具有第一状态、第二状态和第三状态;A jacking
当所述顶升机构400处于所述第一状态时,所述顶升机构400底端悬空;When the jacking
当所述顶升机构400处于所述第二状态时,所述顶升机构400的底端与所述限位件120连接;When the jacking
当所述顶升机构400处于第三状态时,所述顶升机构400伸长,带动所述套架本体300和所述回转部200沿所述第一方向向上移动;具体地,当所述顶升机构400处于所述第一状态和所述第二状态时,所述回转部200与所述塔身100处于连接状态,而所述回转部200与所述套架本体300顶端连接,即所述套架本体300顶端固定;当所述顶升机构400处于所述第二状态后,将所述回转部200与所述塔身100的连接螺栓拆除,而所述套架本体300顶端和所述回转部200连接,即所述套架本体300的顶端不固定,故所述顶升机构400处于第三状态时,可带动所述套架本体300和回转部200向上移动,故在所述回转部200和所述塔身100的顶端会形成新的安装空间,方便再继续连接所述标准节110,本方案采用全自动的方式完成所述套架本体300的的爬升作业,不仅省时省力,不需依赖人工完成,提高了安全性。When the jacking
进一步地,如图2和图3所示,所述限位件120的顶端设有第一凹槽121,所述第一凹槽121的深度方向为所述第一方向;具体地,所述限位件120为矩形块,其侧面通过焊接固定于所述标准节110的外壁,其顶面设有所述第一凹槽121;所述顶升机构400包括:Further, as shown in FIG. 2 and FIG. 3 , the top end of the limiting
顶升横梁410,所述顶升横梁410的延伸方向为所述第二方向;所述顶升横梁410的两端设有沿所述第二方向延伸的定位件420,所述定位件420可嵌入所述第一凹槽121内;可选地,所述顶升横梁410为以其中心线对称的船形结构,两端面设有第一挡板411,所述第一挡板411向内设有第二挡板412,所述第一挡板411和所述第二挡板412上都设有通孔;所述定位件420为圆柱形的定位销,其一端具有第二凹槽421,所述定位件420穿过所述第一挡板411和所述第二挡板412的两个通孔,所述第二凹槽421暴露在所述第二挡板412的内侧,另一端暴露在所述第一挡板411的外侧;所述第二凹槽421内嵌设有卡板,所述卡板通过螺栓固定于所述第二挡板412上,所述卡板用于固定所述定位件420,限制其各方向移动;所述第一挡板411的两侧设有加强环413,所述加强环413套设于所述定位件420外,用于增加所述定位件420的受力面积;进一步地,所述第一凹槽121的深度大于所述定位件420的外径,提高所述定位件420嵌入所述第一凹槽121内的稳定性;Lifting the
第一伸缩组件430,所述第一伸缩组件430的底端与所述顶升横梁410铰接,其铰接轴的方向为第三方向,所述第一伸缩组件430顶端与所述第一横梁301铰接,其铰接轴的方向为所述第二方向,所述第三方向垂直于所述第二方向且垂直于所述第一方向;所述顶升机构400处于所述第一状态时,所述第一伸缩组件430的延伸方向为所述第一方向,所述第一伸缩组件430可沿其自身的延伸方向伸缩;具体地,所述第一伸缩组件430为第一伸缩油缸,所述第一伸缩油缸包括油缸壳体和设于所述油缸壳体内的第一伸缩杆431,当液压站向所述第一伸缩油缸内充油或放油时,可使得所述第一伸缩杆431伸长或缩短;当所述顶升机构400处于第一状态时,所述第一伸缩油缸处于垂直状态,当所述定位件420嵌入所述第一凹槽121内后,将所述回转部200和所述塔身100的连接螺栓拆除,液压站向所述第一伸缩油缸充油,由于与其连接的所述顶升横梁410底部通过定位件420固定,故当所述第一伸缩组件430伸长时,会带动所述套架本体300向上移动。The first
进一步地,如图4和图5所示,所述自动爬升装置还包括第一驱动机构500,所述第一驱动机构500设于顶升横梁410远离所述塔身100的一侧,且所述第一驱动机构500的外壁与所述套架本体300连接;所述第一驱动机构500用于驱动所述顶升机构400的底端向靠近所述塔身100侧倾斜,至所述定位件420置于所述第一凹槽121开口的正上方;其中,所述套架本体300远离所述塔身100侧设有安装框302,所述安装框302为长方形框体,通过焊接或通过螺接的方式与所述套架本体300固定;所述第一驱动机构500包括两个沿水平方向设置于所述安装框302上的第二伸缩油缸,所述安装框302上焊接有竖向槽钢,所述第二伸缩油缸的第二伸缩杆510可穿过所述竖向槽钢向所述塔身100侧伸长;所述顶升横梁410上沿水平方向设有两个与所述第二伸缩油缸相对应的顶板414,所述第二伸缩杆510靠近所述塔身100侧设有滚轮520,所述滚轮520的轴向为水平方向,当所述第二伸缩杆510伸长时,所述滚轮520顶住所述顶板414带动整个顶升机构400向靠近所述塔身100的方向倾斜,由于所述限位件120设在所述塔身100上,而所述套架本体300套设在所述塔身100外,而所述顶升机构400固定于所述套架本体300上,故只有当所述顶升机构400向所述塔身100侧倾斜,所述定位件420才可处于所述第一凹槽121的正上方。Further, as shown in FIG. 4 and FIG. 5 , the automatic climbing device further includes a first driving mechanism 500, the first driving mechanism 500 is arranged on the side of the jacking beam 410 away from the tower body 100, and the The outer wall of the first driving mechanism 500 is connected to the sleeve body 300; the first driving mechanism 500 is used to drive the bottom end of the jacking mechanism 400 to tilt toward the side close to the tower body 100 to the position The piece 420 is placed directly above the opening of the first groove 121; wherein, the sleeve body 300 is provided with a mounting frame 302 on the side away from the tower body 100, and the mounting frame 302 is a rectangular frame, welded or It is fixed with the sleeve body 300 by screwing; the first drive mechanism 500 includes two second telescopic oil cylinders arranged horizontally on the installation frame 302, and the installation frame 302 is welded with vertical To the channel steel, the second telescopic rod 510 of the second telescopic oil cylinder can pass through the vertical channel steel to extend toward the side of the tower body 100; the jacking beam 410 is horizontally provided with two The top plate 414 corresponding to the second telescopic oil cylinder, the second telescopic rod 510 is provided with a roller 520 near the side of the tower body 100, the axial direction of the roller 520 is horizontal, when the second telescopic rod 510 When elongated, the roller 520 bears against the top plate 414 and drives the entire jacking mechanism 400 to tilt towards the direction close to the tower body 100, since the position limiting member 120 is arranged on the tower body 100, and the The frame body 300 is sleeved outside the tower body 100, and the jacking mechanism 400 is fixed on the frame body 300, so only when the jacking mechanism 400 tilts toward the tower body 100, the The positioning member 420 can be directly above the first groove 121 .
进一步地,所述套架本体300内侧的四角向内设有滑轮,所述滑轮紧贴所述塔身100的外壁,故当所述顶升机构400带动所述套架本体300向上移动时,由于此时所述顶升机构400处于倾斜状态,若所述套架本体300和所述塔身100之间不接触,则所述顶升机构400有可能带动所述套架本体300向斜上方的方向移动,通过在二者之间设置滑轮,使得所述套架本体300始终沿竖直方向向上移动。Further, the four corners of the inner side of the
所述顶升机构400带动所述套架本体300向上移动的步骤如下:The steps in which the jacking
S100、如图1所示,初始状态时,所述顶升机构400处于第一状态时,所述回转部200和所述塔身100的顶端以及所述套架本体300的顶端固定,所述第一伸缩组件430处于垂直状态,所述顶升横梁410底部悬空;S100. As shown in FIG. 1 , in the initial state, when the jacking
S200、如图8所示,所述第一驱动机构500的所述第二伸缩杆510伸长,推动整个所述顶升机构400倾斜,使得所述顶升横梁410上的所述定位件420位于所述限位件120的所述第一凹槽121的正上方;S200, as shown in FIG. 8 , the second
S300、所述第一伸缩组件430的所述第一伸缩杆431伸长,由于此时所述套架本体300的顶端固定,故所述第一伸缩杆431推动所述顶升横梁410向斜下方移动,使得所述定位件420嵌入所述第一凹槽121内,所述顶升机构400处于所述第二状态;此时所述第二伸缩杆510回缩;S300. The first
S400、拆除所述回转部200和所述塔身100的连接,所述回转部100只与所述套架本体300连接;S400, remove the connection between the turning
S500、如图9所示,所述顶升机构400处于所述第三状态,所述第一伸缩杆431继续伸长,由于所述第一凹槽121的限制,所述第一伸缩杆431带动所述套架300向上移动。S500. As shown in FIG. 9, the jacking
实施例2Example 2
在某些特定的场景下,在所述塔身100的顶端安装新的所述标准节110需要较大的空间,而所述第一伸缩组件430的伸长量不足以满足此条件的情况下,在实施例1的基础上,进一步地,如图1、图4、图6和图10所示,所示,所述套架本体300的底端设有爬爪机构600,所述爬爪机构600远离所述套架本体300的一端具有限位面631;所述爬爪机构600具有第四状态、第五状态和第六状态;优选地,在所述套架本体300的底端设有两个所述爬爪机构600,两个所述爬爪机构600分别与所述限位件组的两个所述限位件120相对应;In some specific scenarios, a large space is required to install the new
当所述爬爪机构600处于所述第四状态时,所述限位面631处于所述套架本体300和所述塔身100之间;此时,所述爬爪机构600与所述塔身100不接触;所述爬爪机构600处于所述套架本体300和所述塔身100之间,不会影响所述顶升机构400带动所述套架本体300向上移动,所述爬爪机构600不会和所述限位件120发生干涉;When the
当所述爬爪机构600处于所述第五状态时,所述限位面631处于所述第一凹槽121开口的正上方;此时,所述爬爪机构600与所述塔身100不接触;When the
当所述爬爪机构600处于所述第六状态时,所述限位面631嵌入所述第一凹槽121内;即所述爬爪机构600和所述塔身100固定;可选地,每个所述标准节110的两个相邻的长边上都设有两个所述限位件120,两个相对应的所述限位件120的高度相同;每个所述限位件120下面一组所述限位件120设为爬爪限位件1211,上面一组所述限位件120设为顶升限位件1212,当所述爬爪机构600处于所述第六状态时,所述限位面631嵌入所述爬爪限位件1211内,此时,所述顶升机构400的定位件420嵌入所述顶升限位件1212内;When the climbing
其中,所述第一伸缩组件430向上带动所述套架本体300向上移动时,所述第一伸缩杆431的伸长量要考虑所述限位件120的高度,使得所述顶升机构400带动所述套架本体300移动后,所述爬爪机构600的所述限位面631可位于所述第一凹槽121的正上方;当通过顶升机构400带动所述套架本体300向上移动后,所述限位面631处于所述一凹槽121的正上方,此时所述第一伸缩组件430回缩,带动所述套架本体300向下移动,使得所述限位面631嵌入所述第一凹槽121内,从而完成了所述爬爪机构600和所述塔身100的固定。Wherein, when the first
进一步地,所述套架本体300的底端具有第二横梁303,所述第二横梁303的延伸方向为所述第三方向;其中,所述套架本体300的最底端与所述第一横梁301平行的横梁为第三横梁304,所述第二横梁303的数量为两个,所述第三横梁304的两端分别与两个所述第二横梁303的两端连接,两个所述爬爪机构600对称设于两个所述第二横梁303上;Further, the bottom end of the
所述爬爪机构600包括:The
第二伸缩组件610,所述伸缩组件610的外壁与所述第二横梁303远离所述塔身100侧连接,所述第二伸缩组件610的延伸方向与所述第一方向形成第一夹角,所述第一夹角的开口朝向为远离所述回转部200的方向;所述第二伸缩组件610可沿其延伸方向伸缩;其中,所述第二伸缩组件610为第三伸缩油缸,所述第三伸缩油缸的第三伸缩杆620设于远离所述套架本体300的底端侧;The second
限位板620,所述限位板620为L型,其开口方向为远离所述回转部200的方向,所述限位板630靠近所述塔身100的端部具有所述限位面631,所述限位板630远离所述限位面630的一端与所述第二伸缩组件610铰接,其铰接轴的方向为所述第三方向;其中,所述限位板630包括L型过渡板632和爬爪633,所述限位面631为所述爬爪633远离所述过渡板632端的底面,所述过渡板632包括横向板和竖向板,所述横向板远离所述竖向板的一端与所述爬爪633连接,当所述爬爪机构600处于所述第五状态时,所述横向板与所述第二方向平行,所述竖向板与所述第一方向平行,所述爬爪633的底面与所述第二方向平行,所述竖向板远离所述横向板的一端与所述第三伸缩杆620末端铰接;故当所述第三伸缩杆620伸长时,所述横向板远离所述竖向板端部向斜下方移动,使得所述限位面631处于所述套架本体300和所述塔身100支架的缝隙内,当所述第三伸缩杆620缩回时,所述爬爪633回到水平位置;Limiting plate 620, the limiting plate 620 is L-shaped, its opening direction is away from the direction of the turning part 200, the end of the limiting plate 630 near the tower body 100 has the limiting surface 631 , the end of the limiting plate 630 away from the limiting surface 630 is hinged to the second telescopic assembly 610, and the direction of the hinge axis is the third direction; wherein, the limiting plate 630 includes an L-shaped transition plate 632 and climbing claw 633, the limiting surface 631 is the bottom surface of the climbing claw 633 away from the end of the transition plate 632, the transition plate 632 includes a horizontal plate and a vertical plate, and the horizontal plate is away from the vertical One end of the plate is connected to the climbing claw 633, when the crawling claw mechanism 600 is in the fifth state, the transverse plate is parallel to the second direction, and the vertical plate is parallel to the first direction , the bottom surface of the climbing claw 633 is parallel to the second direction, and the end of the vertical plate away from the transverse plate is hinged to the end of the third telescopic rod 620; so when the third telescopic rod 620 is extended , the transverse plate moves obliquely downward away from the end of the vertical plate, so that the limiting surface 631 is in the gap between the sleeve body 300 and the tower body 100 bracket, when the third telescopic When the rod 620 is retracted, the crawling claw 633 returns to the horizontal position;
两个导向支架640,沿所述第三方向设置于所述第二横梁303上,所述限位板630设于两个所述导向支架640之间,所述限位板630与两个所述导向支架640铰接,其铰接轴的方向为所述第三方向;其中,所述第二横梁303的内侧固定连接有两个所述导向支架640,所述爬爪633置于两个所述导向支架640之间,所述爬爪633和两个所述导向支架640上设有通孔,铰接轴穿过通孔完成所述爬爪633与所述导向支架640的铰接,当所述第三伸缩杆620伸长或缩回时,使得所述爬爪633以此铰接轴转动。Two
当所述第一伸缩组件430的伸长量无法满足所述套架本体300向上的移动量时,通过所述顶升机构400和所述爬爪机构600向配合完成所述套架本体300的自动顶升,自动顶升的步骤如下:When the elongation of the first
S200、执行步骤S100-S500,此过程中所述爬爪机构600始终处于所述第四状态;如图1、图8及图9所示,S200. Execute steps S100-S500. During this process, the
S201、如图10所示,所述套架本体300向上移动一定距离后,所述第二伸缩组件510缩回,所述爬爪机构600处于所述第五状态,所述爬爪633处于所述爬爪限位件1211的第一凹槽121的正上方,而此时所述定位件420嵌入所述顶升限位件1212的所述第一凹槽121内。S201. As shown in FIG. 10 , after the
S202、如图11所示,所述第一伸缩杆431缩回一些,所述顶升机构400带动所述套架本体300向下移动,使得所述爬爪633嵌入所述爬爪限位件1211的第一凹槽121内;所述爬爪机构600处于所述第六状态;S202. As shown in FIG. 11 , the first
S203、重复执行步骤S100-S300,此过程所述爬爪机构600处于所述第六状态;S203. Repeat steps S100-S300, during which the
S204、所述顶升机构400处于所述第三状态,带动所述套架本体300向上移动,此过程中,所述爬爪机构600转换为所述第四状态;S204. The jacking
S205、重复执行步骤S201-S204。S205. Repeat steps S201-S204.
实施例3Example 3
在实施例2的基础上,如图7所示,所述顶升横梁410的两端设有与所述定位件420相对应的防脱组件440,所述防脱组件440用于防止所述定位件420从所述第一凹槽121内脱离;其中,在某些场景下,由于震动或外力作用下,所述定位件420有从所述第一凹槽121的开口处脱离的风险,通过所述防脱组件420拖住所述限位件120,避免此情况的发生。On the basis of Embodiment 2, as shown in FIG. 7 , the two ends of the jacking
进一步地,所述防脱组件440包括:Further, the
安全销441,所述安全销441设于所述顶升横梁410靠近所述塔身100侧,所述安全销441的延伸方向为所述第二方向;A
第三伸缩组件442,所述第三伸缩组件442中部与所述顶升横梁410连接,其一端连接有所述安全销441,所述第三伸缩组件442用于驱动所述安全销441沿所述第二方向移动;The third
其中,所述顶升横梁410的远离所述塔身100侧为正面,靠近所述塔身100侧为背面,所述防脱组件440设于背面,所述第三伸缩组件442为第四伸缩油缸,其第四伸缩杆一端连接所述安全销441,所述安全销441为圆柱体,当所述顶升机构400处于所述第二状态时,所述定位件420嵌入所述第一凹槽121后,所述第四伸缩杆推动所述安全销441移动至所述限位件120底部,用于顶住所述限位件120;当所述定位件420脱离所述第一凹槽121后,所述第四伸缩杆带动所述安全销441缩回,避开所述限位件120。Wherein, the side of the jacking
进一步地,所述防脱组件440还包括限位传感器,用于检测所述第三伸缩组件442是否伸缩到位;可选地,所述限位传感器为接触开关,包括沿所述第二方向设置于所述顶升横梁410上的第一限位板415和第二限位板416,所述第三伸缩杆442上设有触点,当触点与所述第一限位板415或所述第二限位板416接触时,则代表伸长或缩回到位。Further, the
进一步地,如图7所示,所述第一伸缩组件430上设有位移测量组件,所述位移测量组件用于测量所述第一伸缩组件的伸缩量,可选地,所述位移测量组件432为激光测距仪,所述第一伸缩组件430的油缸壳体上设有激光发生单元,所述第一伸缩杆431上设有激光反射板。Further, as shown in FIG. 7 , the first
进一步地,所述第一伸缩组件430的两侧设有第一导向组件450,所述第一导向组件450的顶端与所述第一横梁301通过万向轴451连接,其底端与所述顶升横梁410铰接,其铰接轴的方向为所述第三方向;所述第一导向组件450用于防止所述顶升横梁410倾斜;具体地,由于所述第一伸缩组件430的底端与所述顶升横梁410铰接,而其铰接轴的方向为所述第三方向,故所述顶升横梁410会出现两端倾斜的情况,故在所述第一伸缩组件430两端对称设置有所述第一导向组件450,所述第一导向组件450包括导向筒,以及设于所述导向筒内的第五伸缩杆453,两个所述第一导向组件450上设有接触式限位开关454,在两个所述导向筒的相同位置设置触点,在所述第五伸缩杆453的相同位置设置接触挡板,当两个所述第一导向组件450的所述限位开关454同时有信号时,代表所述顶升横梁410没有倾斜。Further, the
进一步地,如图7所示,所述顶升横梁410的两端设有与所述定位件420相对应的角度测量组件460,所述角度测量组件460用于检测所述第一驱动机构500驱动所述顶升机构400倾斜的角度;可选地,所述角度测量组件460为接触式角度传感器,包括可转动地接触臂,所述接触臂的转动轴线方向为所述第二方向,当所述顶升机构400向所述塔身100侧倾斜时,所述接触臂会在所述限位件120的阻挡下转动,转动设定角度会代表所述顶升机构400倾斜到位。Further, as shown in FIG. 7 , the two ends of the jacking
进一步地,如图6所示,所述爬爪机构600也包括所述角度测量组件460,当所述爬爪633转动时,所述角度测量组件460会检测所述爬爪633是否转动到位,避免了所述爬爪633未转动到位,与所述限位件120发生碰撞的情况。Further, as shown in FIG. 6 , the
本文中应用了具体个例对本申请的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。以上所述仅是本申请的优选实施方式,应当指出,由于文字表达的有限性,而客观上存在无限的具体结构,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进、润饰或变化,也可以将上述技术特征以适当的方式进行组合;这些改进润饰、变化或组合,或未经改进将发明的构思和技术方案直接应用于其他场合的,均应视为本申请的保护范围。In this paper, specific examples are used to illustrate the principles and implementation methods of the present application, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application. The above is only a preferred embodiment of the present application. It should be pointed out that due to the limitation of literal expression, there are objectively unlimited specific structures. Under these circumstances, several improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the idea and technical solution of the invention directly applied to other occasions without improvement , should be regarded as the scope of protection of this application.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203359842U (en) * | 2013-06-28 | 2013-12-25 | 广西建工集团建筑机械制造有限责任公司 | Internal climbing crane with self-elevating jacking sleeve frame |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal climbing tower crane and internal climbing tower crane |
| CN114476982A (en) * | 2022-01-19 | 2022-05-13 | 东莞市毅新庆江机械制造有限公司 | A kind of height increasing device of tower crane and its height increasing method |
| CN114835038A (en) * | 2022-04-25 | 2022-08-02 | 中联重科建筑起重机械有限责任公司 | Tower crane and crane construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203359842U (en) * | 2013-06-28 | 2013-12-25 | 广西建工集团建筑机械制造有限责任公司 | Internal climbing crane with self-elevating jacking sleeve frame |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal climbing tower crane and internal climbing tower crane |
| CN114476982A (en) * | 2022-01-19 | 2022-05-13 | 东莞市毅新庆江机械制造有限公司 | A kind of height increasing device of tower crane and its height increasing method |
| CN114835038A (en) * | 2022-04-25 | 2022-08-02 | 中联重科建筑起重机械有限责任公司 | Tower crane and crane construction method |
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