CN114517499A - Rectangular cross section friction pile pit excavation construction system - Google Patents
Rectangular cross section friction pile pit excavation construction system Download PDFInfo
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 108
- 238000010276 construction Methods 0.000 title claims abstract description 45
- 239000004567 concrete Substances 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims description 53
- 230000033001 locomotion Effects 0.000 claims description 40
- 239000000498 cooling water Substances 0.000 claims description 26
- 239000002893 slag Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000005641 tunneling Effects 0.000 abstract description 20
- 238000005520 cutting process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
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- 230000036316 preload Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 239000010962 carbon steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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Abstract
Description
技术领域technical field
本发明涉及基建工程设备技术领域,特别是一种矩形截面抗滑桩竖坑掘进施工系统。The invention relates to the technical field of infrastructure engineering equipment, in particular to a vertical pit excavation construction system for rectangular cross-section anti-sliding piles.
背景技术Background technique
抗滑桩是防止山体滑坡的一种隐蔽型基建工程,一般采用深井挖掘竖坑,再填充全钢筋混凝土浇筑的方式成型,主要应用在水电站坝体周边、隧道出入口等位于山区的重要设施附近。根据山体岩土地质条件的不同,大型的抗滑桩逐渐采用矩形截面以达到更强的抗弯能力,开口尺寸可达3m×5m,深入地下动辄50m。其独特的大尺寸矩形截面使得现有的圆形深井掘进设备难以直接应用,但其截面尺寸又与挖掘机等大型施工设备的作业尺寸相差甚多,同时其深度一般而言均大于30m,一般的挖掘设备均无法施工。其整体施工类似于竖直向的盾构作业,但现有的盾构机截面均为圆形,同时盾构设备无法解决竖直向的渣土排泄,因而也无法采用。因此,目前矩形抗滑桩仍采用人工方式挖掘,施工难度巨大,安全性欠佳,迫切需要减轻人工参与度,提高建设效率并减小事故率。Anti-slide piles are a kind of concealed infrastructure project to prevent landslides. Generally, deep wells are used to excavate vertical pits and then filled with fully reinforced concrete. According to the different geological conditions of the rock and soil of the mountain, the large-scale anti-sliding piles gradually adopt rectangular sections to achieve stronger bending resistance. Its unique large-size rectangular section makes it difficult to directly apply the existing circular deep well excavation equipment, but its section size is much different from that of large construction equipment such as excavators, and its depth is generally greater than 30m. The excavation equipment cannot be constructed. The overall construction is similar to the vertical shield operation, but the existing shield machines are all circular in section, and the shield equipment cannot solve the vertical muck discharge, so it cannot be used. Therefore, at present, the rectangular anti-sliding piles are still excavated manually, which is difficult to construct and has poor safety. It is urgent to reduce the degree of manual participation, improve the construction efficiency and reduce the accident rate.
有鉴于此,特提出本发明。In view of this, the present invention is proposed.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题在于克服现有技术的不足,提供一种矩形截面抗滑桩竖坑掘进施工系统,可减少现有人工开挖的劳动强度,提升掘进作业安全性,从而大幅提高施工效率。The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a construction system for vertical pit excavation of rectangular cross-section anti-sliding piles, which can reduce the labor intensity of the existing manual excavation, improve the safety of the excavation operation, and thus greatly improve the construction efficiency.
为实现上述发明目的,本申请提供如下技术方案:To achieve the above-mentioned purpose of the invention, the application provides the following technical solutions:
本申请提供一种矩形截面抗滑桩竖坑掘进施工系统,包括:The application provides a construction system for vertical pit excavation of rectangular cross-section anti-sliding piles, including:
基坑外设施分系统,所述基坑外设施分系统包括基坑混凝土平台、支撑架和吊架组件,所述支撑架连接于所述基坑混凝土平台,所述吊架组件可移动地连接于所述支撑架,所述吊机组件上设置起升装置;A sub-system outside the foundation pit, the sub-system outside the foundation pit includes a foundation pit concrete platform, a support frame and a hanger assembly, the support frame is connected to the foundation pit concrete platform, and the hanger assembly is movably connected A hoisting device is arranged on the support frame and the crane assembly;
支扶壁组件,所述支扶壁组件包括四面支撑壁,四面支撑壁围合形成矩形空腔,所述支扶壁组件连接于所述支撑架上;a support wall assembly, the support wall assembly includes four support walls, the four support walls enclose a rectangular cavity, and the support wall assembly is connected to the support frame;
掘进分系统,所述掘进分系统能容纳于所述矩形空腔内,所述掘进分系统包括主支撑箱体、掘进组件和掘进刀头组件,所述主支撑箱体通过吊装钢缆连接于所述起升装置,所述掘进组件可活动地连接于所述主支撑箱体,所述掘进刀头组件连接于所述掘进组件。A sub-system for excavation, which can be accommodated in the rectangular cavity, and the sub-system for excavation includes a main support box, an excavation assembly and an excavation tool head assembly, and the main support box is connected to the main support box through a hoisting steel cable. The lifting device, the excavation assembly are movably connected to the main support box, and the excavation bit assembly is connected to the excavation assembly.
可选的,所述掘进分系统包括第一方向移动组件和第二方向移动组件;Optionally, the excavation subsystem includes a first-direction moving component and a second-direction moving component;
所述第一方向移动组件包括第一方向导轨和可移动地连接于所述第一方向导轨的第一方向移动组件;The first direction moving assembly includes a first direction guide rail and a first direction moving assembly movably connected to the first direction guide rail;
所述第二方向移动组件包括第二方向导轨和移动地连接于所述第二方向导轨的第二方向移动组件;The second direction moving assembly includes a second direction guide rail and a second direction moving assembly movably connected to the second direction guide rail;
所述第一方向导轨连接于所述主支撑箱体,所述第二方向导轨连接于所述第一方向移动组件;The first direction guide rail is connected to the main support box, and the second direction guide rail is connected to the first direction moving assembly;
所述掘进组件连接于所述第二方向移动组件。The excavation assembly is connected to the second direction moving assembly.
可选的,所述掘进组件包括伸缩组件、俯仰运动组件和方位运动组件;Optionally, the excavation assembly includes a telescopic assembly, a pitching motion assembly and an azimuth motion assembly;
所述方位运动组件可旋转地连接于所述第二方向移动组件,所述伸缩组件一端和所述方位运动组件相铰接,另一端连接所述掘进刀头组件;the azimuth movement component is rotatably connected to the second direction movement component, one end of the telescopic component is hinged with the azimuth movement component, and the other end is connected to the excavation tool head component;
所述俯仰运动组件一端和所述方位运动组件铰接,另一端和所述伸缩组件铰接,所述俯仰运动组件伸缩运动,驱动所述伸缩组件俯仰运动。One end of the pitching motion assembly is hinged with the azimuth motion assembly, and the other end is hinged with the telescopic assembly, and the pitching motion assembly telescopically moves to drive the telescopic assembly for pitching motion.
可选的,所述掘进刀头组件包括刀组、动力单元和回转单元,所述回转单元连接于所述伸缩组件,所述动力单元连接于所述回转单元,所述动力单元和所述刀组传动连接。Optionally, the excavation cutter head assembly includes a cutter group, a power unit and a rotary unit, the rotary unit is connected to the telescopic assembly, the power unit is connected to the rotary unit, the power unit and the cutter Group drive connection.
可选的,所述支扶壁组件包括刀框和多组支撑框,各组所述支撑框沿纵向依次可拆卸地连接,所述刀框连接于底端的支撑框上;Optionally, the support wall assembly includes a knife frame and a plurality of groups of support frames, each group of the support frames is detachably connected in sequence along the longitudinal direction, and the knife frame is connected to the support frame at the bottom end;
每组所述支撑框包括两个第一方向支扶壁和两个第二方向支扶壁;Each group of the support frames includes two first-direction support walls and two second-direction support walls;
两个所述第一方向支扶壁间隔设置,两个所述第二方向支扶壁分别设置于所述第一方向支扶壁的两侧,且所述第二方向支扶壁分别垂直连接两个所述第一方向支扶壁。The two first-direction supporting walls are arranged at intervals, the two second-direction supporting walls are respectively arranged on both sides of the first-direction supporting walls, and the second-direction supporting walls are respectively vertically connected Two said first direction support walls.
可选的,主支撑箱体上设置有多个侧向液压支撑组件,各所述侧向液压支撑组件沿所述主支撑箱体的周向依次设置,所述侧向液压支撑组件具有伸出状态和回缩状态,在所述伸出状态下,各所述侧向液压支撑组件抵顶于所述支扶壁组件上。Optionally, the main support box is provided with a plurality of lateral hydraulic support assemblies, each of the lateral hydraulic support assemblies is arranged in sequence along the circumferential direction of the main support box, and the lateral hydraulic support assemblies have protruding state and retracted state, in the extended state, each of the lateral hydraulic support assemblies abuts against the support wall assembly.
可选的,矩形截面抗滑桩竖坑掘进施工系统还包括冷却分离分系统,所述冷却分离分系统包括冷却水泵站和冷却水管路;Optionally, the construction system for the vertical pit excavation of the rectangular cross-section anti-sliding pile further includes a cooling and separation sub-system, and the cooling and separation sub-system includes a cooling water pump station and a cooling water pipeline;
所述冷却水管路延伸至所述掘进分系统。The cooling water line extends to the excavation sub-system.
可选的,还包括排渣分系统,所述排渣分系统包括前端泥浆回收泵站、前端回收管路、后端回收泵站、后端回收管路、主箱体内置管路、渣土回收箱;Optionally, it also includes a slag discharge sub-system, and the slag discharge sub-system includes a front-end mud recovery pump station, a front-end recovery pipeline, a back-end recovery pump station, a back-end recovery pipeline, a built-in pipeline in the main box, and a muck soil. recycle bin;
所述渣土回收箱设置于所述基坑混凝土平台上,所述前端泥浆回收泵站分别连接所述前端回收管路和主箱体内置管路,所述前端回收管路延伸至所述掘进组件,后端回收管路分别连接所述主箱体内置管路和前端泥浆回收泵站,所述后端回收泵站设置于所述前端泥浆回收泵站或后端回收管路上。The slag recovery box is arranged on the concrete platform of the foundation pit, the front-end mud recovery pump station is respectively connected to the front-end recovery pipeline and the pipeline built in the main box, and the front-end recovery pipeline extends to the excavation The rear-end recovery pipeline is respectively connected to the main box built-in pipeline and the front-end mud recovery pump station, and the rear-end recovery pump station is arranged on the front-end mud recovery pump station or the rear-end recovery pipeline.
可选的,渣土回收箱连接有回水分离设备,所述回水分离设备连接所述冷却水泵站。Optionally, the slag recovery box is connected to a backwater separation device, and the backwater separation device is connected to the cooling water pump station.
可选的,矩形截面抗滑桩竖坑掘进施工系统还包混凝土填充分系统,所述混凝土填充分系统连接于所述起升装置;Optionally, the construction system for vertical pit excavation of rectangular cross-section anti-sliding piles further includes a concrete filling sub-system, and the concrete filling sub-system is connected to the lifting device;
所述混凝土填充分系统包括下滑注水单元、管道组件、混凝土泵进组件;The concrete filling sub-system includes a sliding water injection unit, a pipeline assembly, and a concrete pumping assembly;
所述支扶壁组件上设置注入孔,所述下滑注水单元和管道组件均能连接于所述注入孔。An injection hole is provided on the supporting wall assembly, and both the sliding water injection unit and the pipeline assembly can be connected to the injection hole.
通过采用上述技术方案,使得本发明具有以下有益效果:By adopting the above-mentioned technical scheme, the present invention has the following beneficial effects:
本申请的矩形截面抗滑桩竖坑掘进施工系统可最大限度减少现有人工开挖的劳动强度,提升掘进作业安全性,从而大幅提高施工效率。The rectangular section anti-sliding pile vertical pit excavation construction system of the present application can minimize the labor intensity of the existing manual excavation, improve the safety of the excavation operation, and thus greatly improve the construction efficiency.
下面结合附图对本发明的具体实施方式作进一步详细的描述。The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
附图说明Description of drawings
附图作为本申请的一部分,用来提供对本发明的进一步的理解,本发明的示意性实施例及其说明用于解释本发明,但不构成对本发明的不当限定。显然,下面描述中的附图仅仅是一些实施例,对于本领域普通技术人员来说,在不付出创造性劳动的前提下,还可以根据这些附图获得其他附图。在附图中:The accompanying drawings are used as a part of the present application to provide a further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:
图1示出本发明矩形截面抗滑桩竖坑掘进施工系统总体示意图;Fig. 1 shows the general schematic diagram of the construction system for vertical pit excavation of rectangular cross-section anti-sliding piles according to the present invention;
图2示出本发明矩形截面抗滑桩竖坑掘进施工系统工作状态截面示意图;Fig. 2 shows the cross-sectional schematic diagram of the working state of the construction system of the vertical pit excavation construction system of the rectangular cross-section anti-sliding pile of the present invention;
图3示出本发明矩形截面抗滑桩竖坑掘进施工系统工作状态底轴侧示意图;Fig. 3 shows the bottom axis side schematic diagram of the working state of the vertical pit excavation construction system of the rectangular cross-section anti-sliding pile of the present invention;
图4示出本发明掘进分系统底轴侧示意图;Fig. 4 shows the bottom shaft side schematic diagram of the tunneling subsystem of the present invention;
图5示出本发明掘进分系统底侧视示意图;Figure 5 shows a schematic bottom side view of the tunneling subsystem of the present invention;
图6示出本发明抗滑桩基坑第一标准深度工作状态示意图;Fig. 6 shows the schematic diagram of the first standard depth working state of the anti-sliding pile foundation pit of the present invention;
图7示出本发明抗滑桩基坑底部工作状态示意图。FIG. 7 is a schematic diagram showing the working state of the bottom of the anti-sliding pile foundation pit of the present invention.
需要说明的是,这些附图和文字描述并不旨在以任何方式限制本发明的构思范围,而是通过参考特定实施例为本领域技术人员说明本发明的概念。It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对实施例中的技术方案进行清楚、完整地描述,以下实施例用于说明本发明,但不用来限制本发明的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention , but are not intended to limit the scope of the present invention.
在本发明的描述中,需要说明的是,术语“上”、“下”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或组件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the orientations or positional relationships shown in the accompanying drawings, only for the purpose of It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
参见图1至图7所示,本申请实施例提供一种矩形截面抗滑桩竖坑掘进施工系统,包括:基坑外设施分系统3、支扶壁组件2和掘进分系统1。基坑外设施分系统3包括基坑混凝土平台31、支撑架32和吊架组件33,所述支撑架32连接于所述基坑混凝土平台31,所述吊架组件33可移动地连接于所述支撑架32,所述吊机组件33上设置起升装置。支扶壁组件2包括四面支撑壁,四面支撑壁围合形成矩形空腔,所述支扶壁组件连接于所述支撑架32上。掘进分系统1能容纳于所述矩形空腔内,所述掘进分系统1包括主支撑箱体15、掘进组件和掘进刀头组件11,所述主支撑箱体15通过吊装钢缆连接于所述起升装置,所述掘进组件可活动地连接于所述主支撑箱体15,所述掘进刀头组件11连接于所述掘进组件。Referring to FIGS. 1 to 7 , the embodiment of the present application provides a construction system for vertical pit excavation of rectangular cross-section anti-sliding piles, including: a sub-system 3 for facilities outside the foundation pit, a supporting
本申请的矩形截面抗滑桩竖坑掘进施工系统可最大限度减少现有人工开挖的劳动强度,提升掘进作业安全性,从而大幅提高施工效率。The rectangular section anti-sliding pile vertical pit excavation construction system of the present application can minimize the labor intensity of the existing manual excavation, improve the safety of the excavation operation, and thus greatly improve the construction efficiency.
在抗滑桩基坑挖掘施工前,首先进行基坑外设施分系统的搭建:在勘测确定的基坑位置,可先使用挖掘机等设备挖掘基础浅坑,截面尺寸大于抗滑桩截面,深度1000mm,在基础坑边沿按照支扶壁外沿尺寸如3600mm×5600mm编扎钢筋笼并使用模板浇筑混凝土,凝固后作为基坑混凝土平台31。在基坑混凝土平台31的四个边角搭建立式的支撑架32,其顶部具有平移横梁,可供可移动吊架组件安装和平移。Before the excavation and construction of the anti-sliding pile foundation pit, first build the sub-system outside the foundation pit: at the location of the foundation pit determined by the survey, excavators and other equipment can be used to excavate the foundation shallow pit, the section size is larger than the anti-sliding pile section, the depth 1000mm, at the edge of the foundation pit according to the size of the outer edge of the support wall, such as 3600mm × 5600mm, weave a steel cage and use a formwork to pour concrete, which will be used as a foundation pit
在一种可能的实施方案中,吊架组件33还包括移动机构、外吊装机构和内吊装机构。外吊装机构用于吊装掘进分系统1,下放其至基坑不同深度,并在掘进完成或故障时进行起升。内吊装机构用于混凝土填充分系统7进行升降作业。移动机构用于将吊装掘进分系统1和吊装混凝土填充分系统7平移进出作业区,并可进行小范围的作业位置微调。本发明中,将矩形截面长度较长的边作为第一方向,另一向作为第二方向,第一方向和第二方向相垂直。In a possible embodiment, the
在一种可能的实施方案中,所述掘进分系统包括第一方向移动组件13和第二方向移动组件14。所述第一方向移动组件包括第一方向导轨131和可移动地连接于所述第一方向导轨131的第一方向移动组件133。所述第二方向移动组件14包括第二方向导轨141和移动地连接于所述第二方向导轨的第二方向移动组件143。所述第一方向导轨连接于所述主支撑箱体,所述第二方向导轨连接于所述第一方向移动组件。所述掘进组件连接于所述第二方向移动组件。In a possible embodiment, the excavation subsystem includes a first-
主支撑箱体15是掘进分系统的主结构支撑,为分系统设备提供安装空间、力学支撑。The
在一种可能的实施方案中,所述掘进组件12包括伸缩组件121、俯仰运动组件122和方位运动组件123。所述方位运动组件123可旋转地连接于所述第二方向移动组件143,所述伸缩组件121一端和所述方位运动组件123相铰接,另一端连接所述掘进刀头组件11。所述俯仰运动组件122一端和所述方位运动组件铰接,另一端和所述伸缩组件铰接,所述俯仰运动组件伸缩运动,驱动所述伸缩组件俯仰运动。In a possible embodiment, the
掘进分系统可在第一方向、第二方向两个方向进行平面移动。方位运动组件123的运动范围可达到±180°。伸缩组件121可根据矩形截面的尺寸进行配置,一般具有800mm以上的运动行程。俯仰运动组件可实现0°~90°的运动范围,可采用液压推杆的形式。The excavation subsystem can perform plane movement in two directions: the first direction and the second direction. The range of motion of the
在一种可能的实施方案中,所述掘进刀头组件11为旋转式切削刀具组件,包括刀组111、动力单元112和回转单元113,所述回转单元连接于所述伸缩组件,所述动力单元连接于所述回转单元,所述动力单元和所述刀组传动连接。In a possible embodiment, the excavation
所述刀组111为岩土切削用刀具组成,呈圆周整圈排列。动力单元112为与刀组同旋向的圆周运动单元,为刀组运动提供切削动力。所述回转单元113安装在动力单元112前端,回转角度可达±180°,可带动刀组111及动力单元112在轴向进行回转运动,便于岩土切削。The
刀头组件11的上部安装冷却水释放组件,下部安装泥浆回收组件,管路组件主要分为冷却水路和泥浆回路,以及随动的拖链组件等。刀头组件11安装在伸缩组件121末端,可实现伸缩进给、俯仰、方位三个维度的运动。The upper part of the
进而,刀头组件11可在掘进组件、第一方向移动组件13以及第二方向移动组件14的联合运动下通过控制分系统6规划的轨迹完整覆盖矩形截面抗滑桩基坑挖掘所需的断面,同时也可覆盖掘进所需的深度向断面。Furthermore, the
在一种可能的实施方案中,所述支扶壁组件包括刀框21和多组支撑框,各组所述支撑框沿纵向依次可拆卸地连接,所述刀框21连接于底端的支撑框上。每组所述支撑框包括两个第一方向支扶壁22和两个第二方向支扶壁23。两个所述第一方向支扶壁22间隔设置,两个所述第二方向支扶壁23分别设置于所述第一方向支扶壁的两侧,且所述第二方向支扶壁分别垂直连接两个所述第一方向支扶壁。In a possible implementation, the support wall assembly includes a
该实施方案中,所述刀框21横截面为楔形,位于支扶壁组件的底部,采用高强度碳钢制成,楔形刀口向外,楔形角不超过45°,与2组第一方向支扶壁22、第二方向支扶壁23组成框式结构,采用螺栓固定。In this embodiment, the cross section of the
所述第一方向支扶壁22及第二方向支扶壁23的长度及厚度根据抗滑桩基坑尺寸、岩土条件等因素确定,使用钢筋混凝土预制形式,在底面及顶面预留定位卡槽241,两侧预留安装孔位242,侧面预留混凝土填充孔及下滑注水孔243。The length and thickness of the
第一方向支扶壁22及第二方向支扶壁23的高度为固定值,如可以为1000mm,便于深度方向的拼接续接。支扶壁组件2为模块化结构,可无限续接,根据基坑深度进行配置和组合。The heights of the supporting
可选的,主支撑箱体15上设置有多个侧向液压支撑组件16,各所述侧向液压支撑组件16沿所述主支撑箱体的周向依次设置,所述侧向液压支撑组件具有伸出状态和回缩状态,在所述伸出状态下,各所述侧向液压支撑组件16抵顶于所述支扶壁组件上。Optionally, the
侧向液压支撑组件16安装在主支撑箱体15的两侧,包括第一方向支撑组件161、第二方向支撑组件162各两组,可向四周伸出,末端支脚可伸长至支扶壁组件2上,采用液压支撑的方式预紧,用于提供侧向支撑力。在末端支脚压紧侧支扶壁后,支撑力传感器组件反馈压力值,达到预设的上限值后停止压紧;同时,侧向液压支撑组件16设置有限位组件,在末端支脚回收时限定其位置。The lateral
支扶壁组件2在掘进后可在顶部进行续接,续接后在下滑注水孔处由下滑注水单元71进行注水,减小支扶壁与侧岩土的摩擦力,进而,侧向液压支撑组件16回收,续接后的支扶壁在重力作用下下滑,下滑深度一般约为一个支扶壁组件2的模块高度,此高度可在系统中定义为掘进标准深度。The
在掘进状态下,支扶壁组件2采用吊装钢缆吊挂在立式支撑架32上,避免其在刀组11在位于支扶壁外侧的空间进行挖掘工作时发生下滑影响掘进作业。在支扶壁下滑至基坑底部时,起升装置35将掘进分系统1向下降一个支扶壁组件的高度。掘进分系统1降下一个标准深度后,侧向液压支撑组件16向第一方向和第二方向两个方向的支扶壁伸出,至支脚压紧支扶壁,达到设定的预紧值。掘进分系统1可以开展下一个标准深度的掘进。In the excavation state, the
在一种可能的实施方案中,矩形截面抗滑桩竖坑掘进施工系统还包括冷却分离分系统4,所述冷却分离分系统4包括冷却水泵站41、回水分离设备42、补水阀43和冷却水管路。所述冷却水管路延伸至所述掘进分系统。冷却水泵站41为掘进刀组提供冷却水的供应,所述冷却水管路44在结构上贴近刀组位置,在掘进的同时喷射冷却水流。In a possible embodiment, the rectangular-section anti-sliding pile vertical pit excavation construction system further includes a cooling and separation sub-system 4, and the cooling and separation sub-system 4 includes a cooling
矩形截面抗滑桩竖坑掘进施工系统还可以包括排渣分系统5,所述排渣分系统5包括前端泥浆回收泵,51、前端回收管路52、后端回收泵站53、后端回收管路54、主箱体内置管路55、渣土回收箱57。所述渣土回收箱设置于所述基坑混凝土平台上,所述前端泥浆回收泵站分别连接所述前端回收管路和主箱体内置管路,所述前端回收管路延伸至所述掘进组件,后端回收管路分别连接所述主箱体内置管路和前端泥浆回收泵站,所述后端回收泵站设置于所述前端泥浆回收泵站或后端回收管路上。The rectangular section anti-sliding pile vertical pit tunneling construction system may also include a
所述排渣分系统5的前端回收管路52与冷却水管路44位置接近,可采用共结构设计,均位于刀组后部,便于切削渣土泥浆的回收。The front-
冷却水的充水量可至液面覆盖掘进刀组的位置,即刀组可完全在水下工作。The filling amount of cooling water can reach the position where the liquid level covers the excavation cutter group, that is, the cutter group can work completely underwater.
冷却水覆盖基坑底部,在掘进刀组11切削岩土的过程中,被高速切削的岩土碎渣与水混合成为泥浆,此时,前端泥浆回收泵站51将渣土泥浆通过前端回收管路52回收至支撑主箱体15内的主箱体内置管路55中。主箱体内置管路55为渣土泥浆的暂存箱。进而,后端回收泵站53将主箱体内置管路55中的渣土泥浆沿后端回收管路54回收至渣土回收箱57内。The cooling water covers the bottom of the foundation pit. During the process of cutting the rock and soil by the
在一种可能的实施方案中,渣土回收箱连接有回水分离设备42,所述回水分离设备42连接所述冷却水泵站41。In a possible embodiment, the slag recovery tank is connected to a backwater separation device 42 , and the backwater separation device 42 is connected to the cooling
在渣土回收箱57中,渣土泥浆可经回水分离设备42进行离心式分离或沉淀式分离,分离后,冷却水可由冷却水泵站41泵回冷却水管路44,再注入前端掘进中的基坑中,实现循环使用。在掘进分系统1按照掘进标准深度下降的过程中,在基坑混凝土平台31处安装后端回收管路续接节56,以使其长度与作业深度相吻合。同理,冷却水管路44也在冷却水泵站41处进行续接。以上管路的续接也可替代为预留盘管的形式。In the
矩形截面抗滑桩竖坑掘进施工系统还包混凝土填充分系统7,所述混凝土填充分系统7连接于所述起升装置。所述混凝土填充分系统包括下滑注水单元71、管道组件72、混凝土泵进组件以及人员搭乘平台。所述支扶壁组件2上设置注入孔,所述下滑注水单元71和管道组件72均能连接于所述注入孔。The rectangular section anti-sliding pile vertical pit excavation construction system also includes a
在基坑掘进深度达到抗滑桩设计要求时,将混凝土填充分系统中的管道组件72对准支扶壁预留的混凝土填充孔243,使用混凝土泵组件73将混凝土填充入预制的支扶壁与基坑之间的掘进空隙中。混凝土空隙填充采用自下至上的方式,使用起升装置35将主支撑箱体15向上逐段起升,在每个标准深度上的支扶壁侧进行填充,在抗滑桩基坑内全深度达到侧向强化支撑作用。When the excavation depth of the foundation pit meets the design requirements of the anti-sliding pile, align the
矩形截面抗滑桩竖坑掘进施工系统还包括控制分系统6,控制分系统还包括掘进驱动控制组件61、传感器组件62、监控组件63、报警组件64、急停警示组件65。传感器组件62用于监测末端设备受力状态等,部分可作为反馈实现闭环控制。监控组件63包括可见光摄像头、红外摄像头、超声波成像等设备,用于非控制反馈所需的人员监测使用,主要实现掘进过程中的远程监控下的安全施工。急停警示组件65包括人员可达位置上的急停按钮、警示灯、作业状态显示灯等设备,主要用于安全施工。The rectangular section anti-sliding pile vertical pit excavation construction system also includes a
本申请的掘进刀头组件11采用回旋式桶型结构,外圆上固定岩土切削刀具,在旋转状态下实现切削。动力单元112、回转单元113可采用液压马达作为动力,以达到足够的功率体积比。伸缩组件121采用液压推动的伸缩结构,具备足够的侧向刚性,以应对侧向铣削的作用力。俯仰运动组件122采用双侧支撑固定的液压推动伸缩臂作为驱动部件,以达到足够的俯仰向切削力和支撑力。方位运动组件123具有机械锁死功能,主要实现机械臂在作业中的回旋,可采用液压马达作为动力。第一方向移动组件13及第二方向移动组件14可采用滚珠直线导轨作为运动副,采用液压推杆作为第一方向驱动组件132及第二方向驱动组件142的驱动部件。侧向液压支撑组件16可采用现有液压支撑组件,末端安装支撑力传感器组件163,在侧向液压支撑压紧支扶壁后,由支撑力传感器实时监测压力值作为支撑控制反馈,保证施工过程中的有效侧向支撑。支扶壁楔形刀框21采用高碳钢焊接成型,尺寸与抗滑桩矩形截面相匹配,楔形角不超过45°。第一方向支扶壁22及第二方向支扶壁23采用钢筋混凝土预制方式成型,外形尺寸及安装固定接口根据抗滑桩截面尺寸以及工艺确定,安装孔及填充孔等均在预制时预留。基坑混凝土平台31在搭建后预留立式支撑架32的安装固定预埋件。立式支撑架32采用钢板焊接结构,底部与基坑混凝土平台31的预埋件固定。立式支撑架32顶部安装移动吊架组件支撑杆组,用于安装可移动吊架组件33。可移动吊架组件33安装起重设备常用驱动设备,用于举升和下放掘进分系统1以及填充分系统7。控制分系统6可采用现有控制系统的架构和设备。The excavation
以下提供本申请矩形截面抗滑桩竖坑掘进施工系统的施工步骤:The following provides the construction steps of the construction system for the vertical pit excavation of the rectangular cross-section anti-sliding pile of the present application:
步骤S1、根据抗滑桩基坑的选址,先使用挖掘机等设备挖掘基础浅坑;Step S1, according to the site selection of the anti-sliding pile foundation pit, first use equipment such as excavators to excavate the foundation shallow pit;
步骤S2、在浅坑上搭建基坑混凝土平台31;Step S2, building the foundation pit
步骤S3、在基坑混凝土平台31上组装立式的支撑架32、可移动吊架组件33;Step S3, assembling the
步骤S4、组装第一组支扶壁组件2,包括支扶壁底楔形刀框21、第一方向支扶壁22、第二方向支扶壁23,放入浅坑中,并由立式支撑架32使用吊装钢缆悬吊;Step S4, assembling the first group of supporting
步骤S5、掘进分系统1为整体模块,使用车辆运输至立式支撑架32外侧,使用可移动吊架组件33吊装卸车,进而移动至基坑内;Step S5, the
步骤S6、将掘进分系统1吊装下放至第一级支扶壁组件2高度,将侧向液压支撑组件16伸出,支撑在支扶壁上,为掘进分系统1掘进提供侧向支撑;Step S6, hoisting and lowering the
步骤S7、安装排渣分系统5;Step S7, install the
步骤S8、将混凝土填充分系统7安装至立式支撑架32上的可移动吊装组件33上,安装方式与掘进分系统1相同;Step S8, the
步骤S9、连接冷却分离分系统4、排渣分系统5的各个管路;Step S9, connecting each pipeline of the cooling and separation sub-system 4 and the
步骤S10、系统启动,自检;Step S10, the system starts, and self-checks;
步骤S11、根据设定的掘进轨迹挖掘;Step S11, excavating according to the set driving track;
步骤S12、挖掘一个标准深度后,将掘进分系统1复位;Step S12, after excavating a standard depth, reset the
步骤S13、组装第二级支扶壁组件2中的第一方向和第二方向支扶壁,即支扶壁标准模块,安装至第一级支扶壁组件2(即支撑框)的上止口位置;Step S13, assemble the first- and second-direction buttresses in the second-level buttressing
步骤S14、使用支扶壁下滑注水单元71向支扶壁预留的注水孔注水,减阻后,支扶壁组件2在重力作用和底部楔形刀框21的作用下下落;Step S14, using the supporting wall sliding
步骤S15、控制悬吊支扶壁组件2的吊缆,使得支扶壁组件2在下落一个标准深度本专利中以1000mm为一个标准深度停止;Step S15, controlling the suspending cable for suspending the buttress
步骤S16、重复步骤11~步骤15;Step S16, repeat steps 11 to 15;
步骤S17、期间,使用渣土运输车清理渣土回收箱57中的渣土;During step S17, use a muck transporter to clean up the muck in the
步骤S18、在深坑的挖掘深度达到设计值时,使用混凝土泵进组件73向最底层的支扶壁组件2预留的混凝土注入孔泵入混凝土填充支扶壁与掘进岩土的坑内侧之间的空隙,以进行抗滑加固;Step S18, when the excavation depth of the deep pit reaches the design value, use the
步骤S19、混凝土填充分系统7具有人员操作空间,部分施工工序可人工作业;Step S19, the
步骤S20、按照步骤17的方法逐级向上提升混凝土填充分系统7,使得每一级标准深度的支扶壁与基坑挖掘面内侧的空隙均被填充;Step S20, according to the method of step 17, the
步骤S21、撤出掘进分系统1,基坑掘进完毕;Step S21, withdrawing the
步骤S22、施工人员操作混凝土填充分系统7下坑,从底向上绑扎钢筋,继续使用混凝土填充分系统7浇筑抗滑桩桩体,直至桩体成型;Step S22, the construction personnel operate the
步骤S23、撤出混凝土填充分系统7,拆除立式支撑架32等设备,完成抗滑桩的施工。Step S23, withdrawing the
以上所述仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专利的技术人员在不脱离本发明技术方案范围内,当可利用上述提示的技术内容做出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明方案的范围内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention, according to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments in the technical essence still fall within the scope of the solution of the present invention.
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JPH08296237A (en) * | 1995-04-24 | 1996-11-12 | Daiho Constr Co Ltd | Vertical shaft or structure foundation pile construction method and construction apparatus |
CN204849884U (en) * | 2015-07-14 | 2015-12-09 | 周兆弟 | A multidirectional slide rail system for excavator |
CN107059906A (en) * | 2017-04-24 | 2017-08-18 | 上海约堡重工机械制造有限公司 | A kind of method that utilization underground shaft robot applies major diameter open caisson |
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