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CN102001127B - 组合箱梁液压内模 - Google Patents

组合箱梁液压内模 Download PDF

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CN102001127B
CN102001127B CN2010105198580A CN201010519858A CN102001127B CN 102001127 B CN102001127 B CN 102001127B CN 2010105198580 A CN2010105198580 A CN 2010105198580A CN 201010519858 A CN201010519858 A CN 201010519858A CN 102001127 B CN102001127 B CN 102001127B
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CN102001127A (zh
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王祥军
谢亮
夏仙桃
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Hunan Wuxin Intelligent Technology Co ltd
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China Railway Wuxin Steel Formwork Co Ltd
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Abstract

本发明公开了一种组合箱梁液压内模,包括模板、导柱、主梁、支撑底座,所述模板通过调节柱与导柱相连,所述主梁内安有导套,其底部安有导轨,所述导柱安装于该导套中并可在其内滑动,所述支撑底座上安装有反滚轮,所述主梁通过导轨承放于该反滚轮上并可在其上滑动将内模拖出梁体。本发明内模在主梁上设置了导轨,减去了另外铺设移模轨道的步骤,提高了工作效率。且由于对不同位置的模板采用了不同的收模方式,使各节段模板均能满足收模要求。本发明具有操作、使用方便,箱梁成型质量好,脱模速度快,生产效率高等特点,适合在同种类型的箱梁内模设计上使用。

Description

组合箱梁液压内模
技术领域
本发明涉及一种组合箱梁液压内模。
背景技术
目前,国内铁路、公路及城市桥梁以钢筋混凝土结构为主导,桥面构件基本采用预制方式制作。以制作混凝土箱梁为例,所有模板由内模、外模、底模、端模和控制台组成。一般箱梁内腔设计尺寸为中间大、两头小的倒喇叭状,主要工序有模具拼装、灌浆、移模等,内模收模前需人工拆卸伸缩撑杆,由于内腔在端截面处尺寸变小,导致工人作业空间小,且在内模移模前必须铺设拖出内模的走行轨道,更加大了劳动强度。尤其是像通桥(2008)2227A型这种组合箱梁,其箱梁本身具有内腔空间小,梁体截面变化幅度大等特点,因而更难实现通过液压整体脱模来提高箱梁的预制效率及质量。
发明内容
本发明的目的在于提供一种即使在内腔空间小、梁体截面变化幅度大的梁型中也能实现液压整体脱模的组合箱梁液压内模。
本发明提供的这种组合箱梁液压内模,包括模板、导柱、主梁、支撑底座,所述模板通过调节柱与导柱相连,所述主梁内安有导套,主梁底部安有导轨,所述导柱安装于该导套中并可在其内滑动,所述支撑底座上安装有反滚轮,所述主梁通过导轨承放于该反滚轮上并可在其上滑动将内模拖出梁体,所述模板包括有顶板、上动模、下动模和顶板纵梁,顶板纵梁与顶板焊接为一个整体,用于加强顶板刚度;模板分为端截面和中截面,在端截面中,顶板与上动模之间通过铰接方式连接,侧向油缸布置于顶板与上动模之间;在中截面中,顶板与上动模之间通过铰链四杆机构方式连接,侧向油缸布置于顶板纵梁与上动模之间;在端截面和中截面中,上动模与下动模之间均采用铰接方式连接,在两者间布置有侧向油缸;顶板与支撑底座之间连接有伸缩撑杆,用于防止模板上浮;所述导柱与主梁之间连接有用于带动模板上升或下降的顶升油缸。
伸缩撑杆连接在主梁与上动模之间、主梁与下动模之间,用来增强各模板刚度。
本发明内模在主梁上设置了导轨,减去了另外铺设移模轨道的步骤,提高了工作效率。且由于对不同位置的模板采用了不同的收模方式,使各节段模板均能满足收模要求。本发明具有操作、使用方便,箱梁成型质量好,脱模速度快,生产效率高等特点,适合在同种类型的箱梁内模设计上使用。
附图说明
图1是本发明的结构示意图。
图2是端截面A-A剖视结构示意图。
图3是图2收模后的结构示意图。
图4是中截面B-B剖视结构示意图。
图5是图4收模后的结构示意图。
具体实施方式
从图1可以看出,本发明这种组合箱梁液压内模,包括模板1、调节柱2、导柱3、主梁4、支撑底座5、 伸缩撑杆6、顶升油缸7和侧向油缸8,其中主梁4内安有导套41,其底部安有导轨42,支撑底座5上安装有反滚轮51。模板1通过调节柱2与导柱3相连,导柱3安装于主梁4内的导套41中并可在其内滑动,主梁4通过底部的导轨42承放于支撑底座5的反滚轮51上并可在其上滑动将内模拖出梁体,顶升油缸7连接在在导柱3与主梁4之间,用于带动模板1上升或下降。
从图2到图5可以看出,模板1可分为顶板11、上动模12、下动模13和顶板纵梁14。从图1可以看出,本发明模板可分为端截面和中截面。在端截面中,顶板11与上动模12之间通过铰接方式连接,侧向油缸8布置于顶板11与上动模12之间;在中截面中,顶板11与上动模12之间通过铰链四杆机构方式连接,侧向油缸布置于顶板纵梁14与上动模12之间;在端截面和中截面中,上动模12与下动模13之间均采用铰接方式连接,在两者间布置有侧向油缸8。
从图2可以看出,伸缩撑杆6连接在主梁4与上动模12之间、主梁4与下动模13之间,用来增强各模板刚度。从图4可以看出,伸缩撑杆6连接在顶板11与支撑底座5之间, 用于防止模板上浮。
本发明中主梁4、导套41、导轨42,它是整个模板的主要承载构件,它承受整个箱梁内模的自重和浇注混凝土所产生的作用力,并通过支撑底座将力传递至底模及制梁台座基础,使内模整体受力均匀,稳定性好。
本发明立模时,通过液压系统控制各油缸,伸出顶升油缸7活塞杆顶推导柱3,将模板1顶升到位(即内模顶部高度达到施工要求),再通过液压系统控制各侧向油缸8依次推动各截面的上动模12和下动模13直至张开到设计要求的程度,然后安装伸缩撑杆6,以固定模板位置,加强模板刚度。此时内模处于完全伸张的状态,保持这个状态即可进行混凝土浇注,如图2和图4所示。
本发明脱模时,先拆除伸缩撑杆6,通过液压系统控制侧向油缸依次收拢各截面下动模13和上动模12,再收缩顶升油缸,使整个模板下降至设计高度,如图3和图5所示。收缩模板完成后,通过外部卷扬机牵引即可将内模从已浇注好的预制梁内移出。

Claims (2)

1.一种组合箱梁液压内模,包括模板(1)、导柱(3)、主梁(4)、支撑底座(5),其特征在于所述模板(1)通过调节柱(2)与导柱(3)相连,所述主梁(4)内安有导套(41),主梁底部安有导轨(42),所述导柱(3)安装于该导套(41)中并可在其内滑动,所述支撑底座(5)上安装有反滚轮(51),所述主梁(4)通过导轨(42)承放于该反滚轮(51)上并可在其上滑动将内模拖出梁体,所述模板(1)包括有顶板(11)、上动模(12)、下动模(13)和顶板纵梁(14),顶板纵梁(14)与顶板(11)焊接为一个整体,用于加强顶板(11)刚度;模板分为端截面和中截面,在端截面中,顶板(11)与上动模(12)之间通过铰接方式连接,侧向油缸(8)布置于顶板(11)与上动模(12)之间;在中截面中,顶板(11)与上动模(12)之间通过铰链四杆机构方式连接,侧向油缸布置于顶板纵梁(14)与上动模(12)之间;在端截面和中截面中,上动模(12)与下动模(13)之间均采用铰接方式连接,在两者间布置有侧向油缸(8);顶板(11)与支撑底座(5)之间连接有伸缩撑杆(6),用于防止模板上浮;所述导柱(3)与主梁(4)之间连接有用于带动模板(1)上升或下降的顶升油缸(7)。
2.根椐权利要求1所述的组合箱梁液压内模,其特征在于伸缩撑杆(6)连接在主梁(4)与上动模(12)之间、主梁(4)与下动模(13)之间,用来增强各模板刚度。
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CN102198691B (zh) * 2011-05-13 2012-11-07 湖南中铁五新钢模有限责任公司 一种节段梁箱梁液压内模
CN105970823B (zh) * 2016-06-13 2017-11-24 中交第二航务工程局有限公司 一种用于大跨度、超高扭曲体的箱梁内模系统
CN115723226B (zh) * 2022-12-09 2024-07-02 江苏月生达机械制造有限公司 一种预制液压箱梁内模多段式可调节结构
CN118418272B (zh) * 2024-06-03 2024-10-29 山东博远重工有限公司 节段式箱梁内模装置

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CN200991949Y (zh) * 2007-04-09 2007-12-19 中铁大桥(郑州)工程机械有限公司 箱梁内模
CN201221046Y (zh) * 2008-06-06 2009-04-15 宋国民 一种预制箱梁
CN101597884A (zh) * 2008-06-06 2009-12-09 宋国民 一种预制箱梁
CN101614074A (zh) * 2009-07-16 2009-12-30 济南轨道交通装备有限责任公司 高速客运专线小跨度箱梁整体内模模板
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