CN110485411A - End supports amplitude variation type stirring piling all-in-one machine and its construction method - Google Patents
End supports amplitude variation type stirring piling all-in-one machine and its construction method Download PDFInfo
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- 238000003756 stirring Methods 0.000 title claims abstract description 91
- 238000010276 construction Methods 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 138
- 238000005553 drilling Methods 0.000 claims abstract description 66
- 238000002156 mixing Methods 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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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
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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
- E02D5/24—Prefabricated 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
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/20—Placing by pressure or pulling power
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- Mining & Mineral Resources (AREA)
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Abstract
本发明公开了一种端部支撑变幅式搅拌压桩一体机及其施工方法，该方法包括以下步骤：步骤一桩机就位，步骤二倾斜角度调整，步骤三水泥搅拌桩施工；步骤四加芯桩安装，步骤五压桩。该施工方法通过调整塔架与主机平台竖向垂直轴线的倾斜角度，从而准确控制加芯搅拌桩的倾斜角度，实现对具有设定倾斜角度的加芯搅拌桩的精确施工；该一体机包括主机平台、转动支座、转动轴、液压压桩机构、搅拌钻桩机构、移动机构、第一伸缩斜撑杆、第二伸缩斜撑杆。该一体机通过对第一伸缩斜撑杆、第二伸缩斜撑杆的伸缩控制，从而同时调整搅拌钻桩机构的钻孔倾斜角度及液压压桩机构的压桩倾斜角度实现对加芯搅拌桩的倾斜角度控制，同时保持较高的同心度。The invention discloses an end-supported variable-amplitude type mixing pile-pressing integrated machine and a construction method thereof. The method comprises the following steps: step 1, placing the pile driver in place, step 2, adjusting the inclination angle, step 3, constructing cement mixing piles, and step 4 Core pile installation, step 5 pile pressing. The construction method accurately controls the inclination angle of the cored mixing pile by adjusting the inclination angle between the tower frame and the vertical axis of the main machine platform, and realizes the precise construction of the cored mixing pile with a set inclination angle; the all-in-one machine includes the main machine A platform, a rotating support, a rotating shaft, a hydraulic pile pressing mechanism, a stirring and drilling mechanism, a moving mechanism, a first telescopic diagonal brace, and a second telescopic diagonal brace. The all-in-one machine controls the expansion and contraction of the first telescopic oblique brace and the second telescopic oblique brace, thereby simultaneously adjusting the drilling inclination angle of the stirring pile drilling mechanism and the pressure pile inclination angle of the hydraulic pressure pile mechanism to realize the adjustment of the cored stirring pile. Control the inclination angle while maintaining high concentricity.
Description
技术领域technical field
本发明涉及桩基施工设备技术领域，尤其涉及一种端部支撑变幅式搅拌压桩一体机及其施工方法。The invention relates to the technical field of pile foundation construction equipment, in particular to an end-support luffing-type pile-stirring integrated machine and a construction method thereof.
背景技术Background technique
现有的加芯搅拌桩是由水泥土搅拌桩(也称水泥搅拌桩)和混凝土芯桩组成，在水泥土搅拌桩制成初凝前，用专用设备压入型钢、钢管桩或者预制混凝土管桩而形成的复合桩。加芯搅拌桩具有高承载力、低沉降、造价低、保护环境、应用范围广等特点。当今公路、铁路桩基施工过程中，广泛采用的水泥混凝土加芯桩为加芯搅拌桩，水泥混凝土加芯桩将水泥土搅拌桩和加芯桩紧密结合在一起，二者有机地且有效地融合在一起，各自发挥各自的长处，既采用高强度的加芯桩来承担压力，又利用具有拥有极其大直径和大表面积的水泥土柱来增强摩擦，突破传统搅拌桩难以逾越的瓶颈。The existing cored mixing piles are composed of cement-soil mixing piles (also called cement mixing piles) and concrete core piles. Composite piles formed by pipe piles. The cored mixing pile has the characteristics of high bearing capacity, low settlement, low cost, environmental protection, and wide application range. In today's road and railway pile foundation construction process, the cement concrete cored pile widely used is the cored mixing pile, and the cement concrete cored pile combines the cement soil mixing pile and the cored pile closely together, and the two organically and effectively Combined together, each exerts its own strengths. It not only uses high-strength cored piles to bear the pressure, but also uses cement-soil columns with extremely large diameters and large surface areas to enhance friction, breaking through the insurmountable bottleneck of traditional mixing piles.
现有的搅拌桩机包括桩架和安装在桩架上的搅拌设备。与水泥搅拌桩相比，加芯搅拌桩施工增加了压芯桩这一施工工序。目前，对加芯搅拌桩进行施工时，均先采用搅拌桩机对水泥搅拌桩进行施工，再采用压桩机、打桩锤、振动锤或其他沉桩设备将预先加工成型的加芯桩压入水泥搅拌桩中，因而需要单独配置压桩设备，投入成本高，并且压桩设备与搅拌桩机同时使用所需的施工空间大，施工场合受限，施工速度慢，施工效率低，特别对于具有设定倾斜角度的加芯搅拌桩，设定倾斜角度无法准确控制，导致桩体复合地基承载力降低，影响工程质量。Existing mixing pile machine comprises pile frame and the stirring equipment installed on the pile frame. Compared with cement mixing piles, the construction of cored mixing piles increases the construction process of pressure core piles. At present, when constructing cored mixing piles, the cement mixing piles are firstly constructed with a mixing pile machine, and then the pre-processed cored piles are pressed into In the cement mixing pile, it is necessary to configure the pile pressing equipment separately, and the investment cost is high, and the construction space required for the simultaneous use of the pile pressing equipment and the mixing pile machine is large, the construction occasion is limited, the construction speed is slow, and the construction efficiency is low, especially for those with For core-stirred piles with a set inclination angle, the set inclination angle cannot be accurately controlled, resulting in a reduction in the bearing capacity of the pile composite foundation and affecting the quality of the project.
现有技术中，申请号为201810267588.5的中国发明专利公开了一种搅拌压桩一体机，该搅拌压桩一体机还存在如下不足：其只适用于对垂直加芯搅拌桩进行施工，但对于具有设定倾斜角度的加芯搅拌桩，该搅拌压桩一体机无法根据施工需要而调整加芯搅拌桩的倾斜角度和倾斜幅度；同时其也无法使倾斜状态下的加芯桩与搅拌桩保持较高的同心度。由于搅拌压桩一体机的结构以及施工工艺的具有密切的关联性，单纯改进结构设计或者施工工艺均不能实现控制加芯搅拌桩倾斜角度的施工。In the prior art, the Chinese invention patent with the application number 201810267588.5 discloses an integrated machine for stirring piles and piles. The integrated machine for stirring piles still has the following disadvantages: it is only suitable for the construction of vertical cored stirring piles, but for those with The cored mixing pile with a set inclination angle, the all-in-one machine for stirring and pressing piles cannot adjust the inclination angle and inclination range of the cored mixing pile according to construction needs; High concentricity. Due to the close correlation between the structure of the mixing and piling integrated machine and the construction process, simply improving the structural design or construction process cannot realize the construction of controlling the inclination angle of the cored mixing pile.
发明内容Contents of the invention
本发明的目的在于针对上述不足，提供一种端部支撑变幅式搅拌压桩一体机及其施工方法，通过同步改进搅拌压桩一体机的结构以及施工工艺，以实现灵活调整和控制加芯搅拌桩倾斜角度(±20°)和倾斜幅度的施工。该施工方法通过调整塔架与主机平台竖向垂直轴线的倾斜角度，从而准确控制加芯搅拌桩的倾斜角度，实现对具有设定倾斜角度的加芯搅拌桩的精确施工；该一体机通过对第一伸缩斜撑杆、第二伸缩斜撑杆的伸缩控制，从而同时调整搅拌钻桩机构的钻孔倾斜角度及液压压桩机构的压桩倾斜角度，实现对加芯搅拌桩的倾斜角度、幅度的调整和控制，同时使施工过程中倾斜的加芯桩与搅拌桩保持较高的同心度。The object of the present invention is to address the above-mentioned deficiencies, to provide an end-support luffing-type pile-stirring integrated machine and its construction method, by synchronously improving the structure and construction process of the integrated pile-stirring machine, to realize flexible adjustment and control of core addition The construction of the inclination angle (±20°) and inclination range of the mixing pile. The construction method accurately controls the inclination angle of the cored mixing pile by adjusting the inclination angle between the tower frame and the vertical axis of the main engine platform, and realizes the precise construction of the cored mixing pile with a set inclination angle; The telescopic control of the first telescopic diagonal strut and the second telescopic diagonal strut can simultaneously adjust the drilling inclination angle of the stirring and drilling mechanism and the inclination angle of the hydraulic pile pressing mechanism to realize the inclination angle of the cored stirring pile, Adjustment and control of the amplitude, while maintaining a high concentricity between the inclined cored pile and the mixing pile during the construction process.
其技术方案如下：Its technical scheme is as follows:
端部支撑变幅式搅拌压桩一体机施工方法，该方法包括以下步骤：A construction method of an end-supported luffing-type mixing pile-pressing integrated machine, the method comprising the following steps:
步骤一桩机就位，其液压压桩机构、搅拌钻桩机构分别安装在其主机平台转动支座上；主机平台的端部设有第一伸缩斜撑杆、第二伸缩斜撑杆；将所述端部支撑变幅式搅拌压桩一体机移动至待施工区域，并使端部支撑变幅式搅拌压桩一体机的钻孔中心位于待施工桩基的桩位正上方；Step 1: When the pile driver is in place, its hydraulic pressure pile mechanism and agitating pile drilling mechanism are respectively installed on the rotating support of the main engine platform; the end of the main engine platform is provided with a first telescopic diagonal brace and a second telescopic diagonal brace; The end support luffing type stirring and piling integrated machine is moved to the area to be constructed, and the drilling center of the end support luffing type agitating piling integrated machine is located directly above the pile position of the pile foundation to be constructed;
步骤二倾斜角度调整，伸缩调整第一伸缩斜撑杆、第二伸缩斜撑杆的伸长长度，从而调整塔架与主机平台竖向垂直轴线的倾斜角度，使搅拌钻桩机构的钻孔倾斜角度、液压压桩机构的压桩倾斜角度与待施工桩基的设计倾斜角度相对应；该倾斜角度为±20°；Step 2 Adjustment of inclination angle, telescopic adjustment of the extension length of the first telescopic oblique brace and the second telescopic oblique brace, thereby adjusting the inclination angle of the tower frame and the vertical axis of the main engine platform, so that the drilling of the stirring pile mechanism is inclined Angle, the inclination angle of the pile pressure pile mechanism of the hydraulic pressure pile mechanism corresponds to the design inclination angle of the pile foundation to be constructed; the inclination angle is ±20°;
步骤三水泥搅拌桩施工，利用所述端部支撑变幅式搅拌压桩一体机的搅拌钻桩机构对待施工桩位进行搅拌桩钻孔施工，获得施工成型的搅拌桩，其中所述搅拌桩的倾斜角度与待施工桩基的设计倾斜角度相对应；Step 3: Constructing cement mixing piles, using the agitating pile drilling mechanism of the end-support luffing-amplitude mixing pile-pressing integrated machine to carry out agitating pile drilling construction on the pile to be constructed to obtain a constructed agitating pile, wherein the agitating pile The inclination angle corresponds to the design inclination angle of the pile foundation to be constructed;
步骤四加芯桩安装，将待送压加芯桩吊装至所述端部支撑变幅式搅拌压桩一体机的液压压桩机构上，使所述待送压加芯桩的底部与所述搅拌桩的顶部接触，并使待送压加芯桩与搅拌桩保持设定的同心度；Step 4: Installing the cored pile, hoisting the pressured cored pile to be sent to the hydraulic pile pressing mechanism of the end-support luffing type agitating and piled pile integrated machine, so that the bottom of the pressured and cored pile to be sent is in contact with the The top of the stirring pile is in contact, and the cored pile to be sent and the stirring pile are kept at the set concentricity;
步骤五压桩，所述液压压桩机构将所述加芯桩送压进所述搅拌桩内，直至所述加芯桩全部压入所述搅拌桩内。Step 5: Pressing the piles, the hydraulic pile pressing mechanism sends and presses the cored piles into the stirring piles until all the cored piles are pressed into the stirring piles.
所述步骤二倾斜角度调整，还包括以下步骤：The adjustment of the tilt angle in the second step also includes the following steps:
若所述待施工桩基的上端往所述第一伸缩斜撑杆的一侧倾斜时，则第一伸缩斜撑杆缩短、第二伸缩斜撑杆伸长，使所述塔架的上端相对于所述主机平台竖向垂直轴线往所述第一伸缩斜撑杆的一侧倾斜；If the upper end of the pile foundation to be constructed is inclined to one side of the first telescopic diagonal brace, the first telescopic diagonal brace is shortened and the second telescopic diagonal brace is extended, so that the upper end of the tower is opposite The vertical axis of the host platform is inclined to one side of the first telescopic diagonal brace;
若所述待施工桩基的上端往所述第二伸缩斜撑杆的一侧倾斜时，则第二伸缩斜撑杆缩短、第一伸缩斜撑杆伸长，使所述塔架的上端相对于所述主机平台竖向垂直轴线往所述第二伸缩斜撑杆的一侧倾斜。If the upper end of the pile foundation to be constructed is inclined to one side of the second telescopic diagonal brace, the second telescopic diagonal brace is shortened and the first telescopic diagonal brace is extended, so that the upper end of the tower is opposite to The vertical axis of the main engine platform is inclined to one side of the second telescopic diagonal brace.
所述步骤一桩机就位，还包括以下步骤：Described step one pile driver is in place, also comprises the following steps:
纵向移动机构的四个支腿油缸收缩，使横向移动机构的第一短船、第二短船支撑在地面上，纵向移动机构的第一长船、第二长船离开地面，驱动纵向移动机构的第一长船、第二长船相对于主机平台纵向移动；The four outrigger cylinders of the longitudinal movement mechanism shrink, so that the first short boat and the second short boat of the transverse movement mechanism are supported on the ground, and the first long boat and the second long boat of the longitudinal movement mechanism leave the ground to drive the longitudinal movement mechanism The first long ship and the second long ship move longitudinally relative to the host platform;
纵向移动机构的四个支腿油缸伸长，使第一长船、第二长船支撑在地面上，横向移动机构的第一短船、第二短船离开地面，驱动主机平台相对于所述第一长船、第二长船纵向移动，从而实现主机平台纵向移动；The four outrigger cylinders of the longitudinal movement mechanism are extended so that the first long boat and the second long boat are supported on the ground, and the first short boat and the second short boat of the lateral movement mechanism leave the ground to drive the main engine platform relative to the The first long ship and the second long ship move longitudinally to realize the longitudinal movement of the host platform;
驱动所述第一短船、第二短船相对于主机平台横向移动，纵向移动机构的四个支腿油缸收缩，使横向移动机构的第一短船、第二短船支撑在地面上，所述第一长船、第二长船离开地面，驱动主机平台相对于所述第一短船、第二短船横向移动，从而实现主机平台横向移动。Drive the first short boat and the second short boat to move laterally relative to the host platform, and the four outrigger cylinders of the longitudinal movement mechanism shrink, so that the first short boat and the second short boat of the transverse movement mechanism are supported on the ground, so The first long ship and the second long ship leave the ground, and drive the main engine platform to move laterally relative to the first short ship and the second short ship, thereby realizing the lateral movement of the main engine platform.
一种实施上述施工方法的端部支撑变幅式搅拌压桩一体机，包括主机平台、转动支座、转动轴、液压压桩机构、搅拌钻桩机构、移动机构、第一伸缩斜撑杆、第二伸缩斜撑杆，所述转动支座通过所述转动轴与所述主机平台的中部转动连接，所述液压压桩机构、搅拌钻桩机构分别安装在所述转动支座上，所述搅拌钻桩机构包括塔架，所述第一伸缩斜撑杆、第二伸缩斜撑杆的上端分别与所述塔架两侧的中部铰接，所述第一伸缩斜撑杆、第二伸缩斜撑杆的下端分别与所述主机平台两侧的后端铰接，所述第一伸缩斜撑杆、第二伸缩斜撑杆分别位于所述塔架的两相反侧上，所述移动机构安装在所述主机平台的底部。An end-supported luffing-type stirring and pile-pressing integrated machine implementing the above-mentioned construction method, including a host platform, a rotating support, a rotating shaft, a hydraulic pile-pressing mechanism, a stirring and drilling mechanism, a moving mechanism, a first telescopic diagonal brace, The second telescopic diagonal strut, the rotating support is rotatably connected with the middle part of the main engine platform through the rotating shaft, the hydraulic pile pressing mechanism and the stirring pile drilling mechanism are respectively installed on the rotating support, the The stirring pile drilling mechanism includes a tower frame, the upper ends of the first telescopic diagonal brace and the second telescopic diagonal brace are respectively hinged with the middle parts on both sides of the tower, and the first telescopic diagonal brace and the second telescopic diagonal brace The lower ends of the struts are respectively hinged to the rear ends on both sides of the host platform, the first telescopic diagonal strut and the second telescopic diagonal strut are respectively located on two opposite sides of the tower, and the moving mechanism is installed on the bottom of the host platform.
还包括第一支撑牛腿、第二支撑牛腿，所述第一支撑牛腿、第二支撑牛腿的一端分别安装在所述主机平台两侧的后端上，所述第一支撑牛腿、第二支撑牛腿的另一端分别往所述主机平台两侧的相反方向延伸，并与所述第一伸缩斜撑杆、第二伸缩斜撑杆的下端铰接。It also includes a first supporting bracket and a second supporting bracket, one ends of the first supporting bracket and the second supporting bracket are respectively installed on the rear ends of both sides of the host platform, and the first supporting bracket 1. The other end of the second support bracket respectively extends to opposite directions on both sides of the host platform, and is hinged to the lower ends of the first telescopic diagonal brace and the second telescopic diagonal brace.
所述第一伸缩斜撑杆包括第一支撑杆、第一斜撑油缸，所述第二伸缩斜撑杆包括第二支撑杆、第二斜撑油缸，所述第一斜撑油缸、第二斜撑油缸的上端分别通过所述第一支撑杆、第二支撑杆与所述塔架两侧的中部铰接，所述第一斜撑油缸、第二斜撑油缸的下端分别与所述第一支撑牛腿、第二支撑牛腿的另一端铰接。The first telescopic diagonal brace includes a first support rod and a first diagonal brace oil cylinder, the second telescopic diagonal brace includes a second support rod and a second diagonal brace oil cylinder, the first diagonal brace oil cylinder, the second diagonal brace The upper ends of the slanting cylinders are respectively hinged to the middle parts of the two sides of the tower through the first support rod and the second support rod, and the lower ends of the first slant cylinders and the second slant cylinders are respectively connected to the first The supporting corbel and the other end of the second supporting corbel are hinged.
所述搅拌钻桩机构还包括动力头、钻杆、随动架、提升卷扬机、滑轮组、钢丝绳，所述塔架朝向前端的侧面上设有内导轨，所述钻杆的上端通过所述随动架与所述内导轨滑动连接，所述钻杆的下端穿过所述动力头，并与其旋转连接；所述提升卷扬机安装在所述塔架朝向后端的侧面上，所述钢丝绳的一端与所述提升卷扬机连接，所述钢丝绳的另一端通过滑轮组与所述随动架连接。The stirring pile drilling mechanism also includes a power head, a drill pipe, a follower frame, a hoisting hoist, a pulley block, and a wire rope. The side of the tower facing the front end is provided with an inner guide rail, and the upper end of the drill pipe passes through the follower. The frame is slidingly connected with the inner guide rail, the lower end of the drill pipe passes through the power head, and is connected with it in rotation; The lifting hoist is connected, and the other end of the wire rope is connected with the follower frame through a pulley block.
所述液压压桩机构包括龙门架、压桩油缸、夹桩器，所述压桩油缸、夹桩器分别通过所述龙门架安装在所述转动支座上，所述夹桩器的夹桩中轴线与所述动力头的旋转中轴线相对应。The hydraulic pressure pile mechanism includes a gantry frame, a pile pressure cylinder, and a pile clamp. The pile pressure cylinder and the pile clamp are respectively installed on the rotating support through the gantry frame. The pile clamp of the pile clamp The central axis corresponds to the rotational central axis of the power head.
所述移动机构包括纵向移动机构、横向移动机构，所述纵向移动机构包括第一长船、第二长船、第一支腿油缸、第二支腿油缸、第三支腿油缸、第四支腿油缸、第一伸缩油缸、第二伸缩油缸、第三伸缩油缸、第四伸缩油缸，所述主机平台的两侧包括第一侧、第二侧，所述第一支腿油缸、第二支腿油缸分别安装在所述第一侧的前端、后端上，所述第三支腿油缸、第四支腿油缸分别安装在所述第二侧的前端、后端上，所述第一长船的前端、后端分别与所述第一支腿油缸、第二支腿油缸的下端纵向滑动连接，所述第二长船的前端、后端分别与所述第三支腿油缸、第四支腿油缸的下端纵向滑动连接，所述第一伸缩油缸的两端分别与所述第一长船的前端、第一支腿油缸的下端铰接，所述第二伸缩油缸的两端分别与所述第一长船的后端、第二支腿油缸的下端铰接，所述第三伸缩油缸的两端分别与所述第二长船的前端、第三支腿油缸的下端铰接，所述第四伸缩油缸的两端分别与所述第二长船的后端、第四支腿油缸的下端铰接；The moving mechanism includes a longitudinal moving mechanism and a lateral moving mechanism, and the longitudinal moving mechanism includes a first long boat, a second long boat, a first outrigger oil cylinder, a second outrigger oil cylinder, a third outrigger oil cylinder, and a fourth outrigger oil cylinder. Leg oil cylinder, first telescopic oil cylinder, second telescopic oil cylinder, third telescopic oil cylinder, fourth telescopic oil cylinder, the two sides of the host platform include the first side and the second side, the first leg oil cylinder, the second support The leg oil cylinders are installed on the front end and the rear end of the first side respectively, the third outrigger oil cylinder and the fourth outrigger oil cylinder are respectively installed on the front end and the rear end of the second side, and the first long The front end and the rear end of the ship are respectively longitudinally slidingly connected to the lower ends of the first outrigger oil cylinder and the second outrigger oil cylinder, and the front end and rear end of the second long boat are respectively connected to the third outrigger oil cylinder and the fourth outrigger oil cylinder The lower end of the outrigger oil cylinder is longitudinally slidably connected, the two ends of the first telescopic oil cylinder are respectively hinged with the front end of the first longboat and the lower end of the first outrigger oil cylinder, and the two ends of the second telescopic oil cylinder are respectively connected with the lower end of the first outrigger oil cylinder. The rear end of the first long ship and the lower end of the second outrigger cylinder are hinged, and the two ends of the third telescopic oil cylinder are respectively hinged with the front end of the second long ship and the lower end of the third outrigger cylinder. The two ends of the four telescopic oil cylinders are respectively hinged with the rear end of the second longboat and the lower end of the fourth outrigger oil cylinder;
所述横向移动机构包括第一短船、第二短船、第五伸缩油缸、第六伸缩油缸，所述第一短船、第二短船分别与所述主机平台的前端、后端横向滑动连接，所述第五伸缩油缸的两端分别与所述主机平台的前端、第一短船铰接，所述第六伸缩油缸的两端分别与所述主机平台的后端、第二短船铰接。The lateral movement mechanism includes a first short boat, a second short boat, a fifth telescopic oil cylinder, and a sixth telescopic oil cylinder, and the first short boat and the second short boat slide laterally with the front end and rear end of the host platform respectively The two ends of the fifth telescopic oil cylinder are respectively hinged with the front end of the main engine platform and the first short boat, and the two ends of the sixth telescopic oil cylinder are respectively hinged with the rear end of the main engine platform and the second short boat. .
还包括吊机、操纵室，所述吊机安装在所述主机平台的前端上，所述操纵室安装在所述主机平台的后端。It also includes a crane and a control room, the crane is installed on the front end of the main engine platform, and the control room is installed on the rear end of the main engine platform.
需要说明的是：It should be noted:
前述“第一、第二…”不代表具体的数量及顺序，仅仅是用于对名称的区分。The aforementioned "first, second..." does not represent a specific quantity and order, but is only used to distinguish names.
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”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，或者是本发明产品使用时惯常摆放的方位或位置关系，或者是本领域技术人员惯常理解的方位或位置关系，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设备或元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 understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear" etc. is based on the orientation or positional relationship shown in the drawings, or the The usual orientation or positional relationship of the inventive product in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must be Having a particular orientation, being constructed and operating in a particular orientation, and therefore not to be construed as limiting the invention.
下面对本发明的优点或原理进行说明：Advantages or principles of the present invention are described below:
1、本端部支撑变幅式搅拌压桩一体机施工方法及设备，通过同步改进搅拌压桩一体机的结构以及施工工艺，采用在端部设置第一伸缩斜撑杆、第二伸缩斜撑杆，可以实现调整与控制加芯搅拌桩倾斜角度(±20°)和倾斜幅度的施工。同时可使施工过程中倾斜的加芯桩与搅拌桩保持较高的同心度，提升了施工质量和效率，也有利于施工过程中保持设备整体的重心平衡。1. The end supports the construction method and equipment of the luffing-type pile-stirring integrated machine. By synchronously improving the structure and construction technology of the integrated pile-stirring machine, the first telescopic diagonal brace and the second telescopic diagonal brace are set at the end. The pole can realize the adjustment and control of the construction of the inclination angle (±20°) and inclination range of the cored mixing pile. At the same time, it can maintain a high concentricity between the inclined cored pile and the mixing pile during the construction process, which improves the construction quality and efficiency, and is also conducive to maintaining the overall center of gravity balance of the equipment during the construction process.
2、本发明提供的施工方法，先进行桩机就位，将该一体机的钻孔中心对正在待施工桩基的桩位上，接着调整第一伸缩斜撑杆、第二伸缩斜撑杆的伸长长度，从而调整塔架与主机平台竖向垂直轴线的倾斜角度，使搅拌钻桩机构的钻孔倾斜角度、液压压桩机构的压桩倾斜角度与待施工桩基的设计倾斜角度相对应，然后再进行搅拌桩施工作业及压桩施工作业，从而形成具有设定倾斜角度的加芯搅拌桩；该施工方法通过调整塔架与主机平台竖向垂直轴线的倾斜角度，从而准确控制加芯搅拌桩的倾斜角度，实现对具有设定倾斜角度的加芯搅拌桩的精确调整和控制，同时使施工过程中的倾斜加芯桩与搅拌桩保持较高的同心度。2. In the construction method provided by the present invention, the pile driver is put in place first, and the drilling center of the all-in-one machine is aligned with the pile position of the pile foundation to be constructed, and then the first telescopic diagonal brace and the second telescopic diagonal brace are adjusted. The elongation length, so as to adjust the inclination angle of the tower frame and the vertical axis of the main engine platform, so that the inclination angle of the drilling of the stirring pile drilling mechanism and the inclination angle of the pile pressure of the hydraulic pile pressure mechanism are consistent with the design inclination angle of the pile foundation to be constructed. Correspondingly, then carry out the construction work of mixing pile and pile pressing, so as to form a cored mixing pile with a set inclination angle; this construction method accurately controls the inclination angle of the tower frame and the vertical axis of the host platform by adjusting the inclination angle. The inclination angle of the core-stirring pile realizes precise adjustment and control of the core-stirring pile with a set inclination angle, and at the same time maintains a high concentricity between the inclined core-filling pile and the stirring pile during the construction process.
3、本发明提供的施工方法，当待施工桩基的上端往第一伸缩斜撑杆的一侧倾斜时，则第一伸缩斜撑杆缩短、第二伸缩斜撑杆伸长，使塔架的上端相对于主机平台竖向垂直轴线往所述第一伸缩斜撑杆的一侧倾斜，从而使搅拌钻桩机构、液压压桩机构往第一伸缩斜撑杆的一侧倾斜，从而使施工完成的加芯搅拌桩的上端往第一伸缩斜撑杆的一侧倾斜；同理，当待施工桩基的上端往所述第二伸缩斜撑杆的一侧倾斜时，则第二伸缩斜撑杆缩短、第一伸缩斜撑杆伸长，使塔架的上端相对于所述主机平台竖向垂直轴线往第二伸缩斜撑杆的一侧倾斜，从而使搅拌钻桩机构、液压压桩机构往第二伸缩斜撑杆的一侧倾斜，从而使施工完成的加芯搅拌桩的上端往第二伸缩斜撑杆的一侧倾斜。3. In the construction method provided by the present invention, when the upper end of the pile foundation to be constructed is inclined to one side of the first telescopic diagonal brace, the first telescopic diagonal brace is shortened and the second telescopic diagonal brace is extended, so that the tower The upper end of the upper end of the main engine platform is inclined to the side of the first telescopic diagonal brace relative to the vertical axis of the main engine platform, so that the stirring pile drilling mechanism and the hydraulic pile pressure mechanism are inclined to one side of the first telescopic diagonal brace, so that the construction The upper end of the completed cored mixing pile is inclined to the side of the first telescopic diagonal brace; similarly, when the upper end of the pile foundation to be constructed is inclined to the side of the second telescopic diagonal brace, the second telescopic diagonal The strut is shortened and the first telescopic diagonal strut is extended, so that the upper end of the tower is inclined to one side of the second telescopic diagonal strut relative to the vertical axis of the host platform, so that the stirring and drilling mechanism, the hydraulic pressure pile The mechanism is inclined to one side of the second telescopic diagonal brace, so that the upper end of the completed cored stirring pile is inclined to one side of the second telescopic diagonal brace.
4、本发明提供的方法，其一体机的移动通过二个长船和二个短船的配合，实现本一体机的纵向移动和横向移动，机位移动操作量少、移位速度快，桩体定位精度高、桩体后续位移及变形小，节约施工时间及能源，且提高施工的安全性。4. In the method provided by the present invention, the movement of the all-in-one machine is achieved through the cooperation of two long boats and two short boats to realize the longitudinal movement and lateral movement of the all-in-one machine. The positioning accuracy of the pile body is high, the subsequent displacement and deformation of the pile body are small, the construction time and energy are saved, and the safety of the construction is improved.
5、本发明提供的设备，本端部支撑变幅式搅拌压桩一体机包括主机平台、转动支座、转动轴、液压压桩机构、搅拌钻桩机构、移动机构、第一伸缩斜撑杆、第二伸缩斜撑杆，液压压桩机构、搅拌钻桩机构分别安装在转动支座上，转动支座通过转动轴与主机平台的中部转动连接，实现了液压压桩机构、搅拌钻桩机构相对于主机平台的变幅倾斜转动，通过对第一伸缩斜撑杆、第二伸缩斜撑杆的伸长长度的调整，实现了塔架与主机平台竖向垂直轴线的倾斜角度调整，从而实现对液压压桩机构、搅拌钻桩机构相对于主机平台竖向垂直轴线的倾斜角度调整，进而实现调整搅拌桩的钻孔倾斜角度及加芯桩的压桩倾斜角度；该一体机通过对第一伸缩斜撑杆、第二伸缩斜撑杆的伸缩控制，从而同时调整搅拌钻桩机构的钻孔倾斜角度及液压压桩机构的压桩倾斜角度，实现对加芯搅拌桩的倾斜角度、幅度控制，同时使施工过程中倾斜的加芯桩与搅拌桩保持较高的同心度。5. For the equipment provided by the present invention, the end-supporting variable-amplitude stirring and pile-pressing integrated machine includes a host platform, a rotating support, a rotating shaft, a hydraulic pile-pressing mechanism, a stirring and drilling mechanism, a moving mechanism, and a first telescopic diagonal brace , the second telescopic diagonal brace, the hydraulic pile pressing mechanism, and the stirring and drilling mechanism are respectively installed on the rotating support, and the rotating support is connected to the middle part of the host platform through the rotating shaft, realizing the hydraulic pile pressing mechanism, stirring and drilling mechanism Relative to the luffing and tilting rotation of the main engine platform, the adjustment of the inclination angle between the tower and the vertical axis of the main engine platform is realized by adjusting the elongation length of the first telescopic diagonal brace and the second telescopic diagonal brace, thereby realizing Adjust the inclination angle of the hydraulic pile pressing mechanism and the stirring and drilling mechanism relative to the vertical axis of the host platform, and then realize the adjustment of the drilling inclination angle of the stirring pile and the inclination angle of the cored pile; the all-in-one machine passes through the first The telescopic control of the telescopic oblique brace and the second telescopic oblique brace can simultaneously adjust the drilling inclination angle of the mixing drilling mechanism and the inclination angle of the hydraulic pile pressing mechanism to realize the inclination angle and amplitude control of the cored mixing pile , while maintaining a high concentricity between the inclined cored pile and the mixing pile during the construction process.
6、本发明提供的设备，其第一支撑牛腿、第二支撑牛腿的设置，使第一伸缩斜撑杆、第二伸缩斜撑杆对塔架的支撑变幅调节更为稳定。6. In the equipment provided by the present invention, the arrangement of the first support bracket and the second support bracket makes the luffing adjustment of the support of the tower by the first telescopic diagonal brace and the second telescopic diagonal brace more stable.
7、本发明提供的设备，其第一斜撑油缸、第二斜撑油缸分别利用第一支撑杆、第二支撑杆加长连接，方便第一伸缩斜撑杆、第二伸缩斜撑杆与塔架的支撑连接。7. In the equipment provided by the present invention, the first diagonal brace oil cylinder and the second diagonal brace cylinder are respectively connected by lengthening the first support rod and the second support rod, so that the first telescopic diagonal brace, the second telescopic diagonal brace and the tower Rack support connections.
8、本发明提供的设备，其搅拌钻桩机构还包括动力头、钻杆、随动架、提升卷扬机，滑轮组、钢丝绳，塔架朝向前端的侧面上设有内导轨，钻杆用于对搅拌桩的钻孔成孔，动力头为钻杆的钻孔提供旋转动力，钻杆的上端通过随动架与内导轨滑动连接，保证了钻杆钻孔轨道的稳定性，使钻杆的钻孔轨道沿着内导轨的方向钻孔；提升卷扬机通过钢丝绳为钻杆的提升提供动力。8. For the equipment provided by the present invention, its stirring and drilling mechanism also includes a power head, a drill pipe, a follower frame, a hoist, a pulley block, and a steel wire rope. The side of the tower facing the front end is provided with an inner guide rail, and the drill pipe is used for stirring. The pile is drilled into a hole, the power head provides rotating power for the drilling of the drill pipe, and the upper end of the drill pipe is slidingly connected with the inner guide rail through the follower frame, which ensures the stability of the drilling track of the drill pipe and makes the drilling of the drill pipe The track is drilled along the direction of the inner guide rail; the hoist winch provides power for the lifting of the drill pipe through the wire rope.
9、本发明提供的设备，其液压压桩机构包括龙门架、压桩油缸、夹桩器，使用时，用夹桩器夹住加芯桩，压桩油缸驱动夹桩器将加芯桩压入搅拌桩内，龙门架为压桩油缸、夹桩器提供支撑。9. For the equipment provided by the present invention, its hydraulic pressure pile mechanism includes a gantry frame, a pile pressure cylinder, and a pile clamp. Into the mixing pile, the gantry provides support for the pile pressure cylinder and the pile clamp.
10、本发明提供的设备，其移动机构包括纵向移动机构、横向移动机构，纵向移动机构包括第一长船、第二长船、第一支腿油缸、第二支腿油缸、第三支腿油缸、第四支腿油缸、第一伸缩油缸、第二伸缩油缸、第三伸缩油缸、第四伸缩油缸，二个长船通过四个支腿油缸实现升降，二个长船分别与四个支腿油缸纵向滑动连接，通过四个伸缩油缸的伸缩，分别驱动二个长船在四个支腿油缸的下端纵向滑动，实现二个长船的纵向移动，从而实现本一体机的纵向移动；横向移动机构包括第一短船、第二短船、第五伸缩油缸、第六伸缩油缸，通过第五伸缩油缸、第六伸缩油缸的伸缩，分别驱动第一短船、第二短船与主机平台的前端、后端横向滑动，实现二个短船的横向移动，从而实现本一体机的横向移动。10. The equipment provided by the present invention, its moving mechanism includes a longitudinal moving mechanism and a lateral moving mechanism, and the longitudinal moving mechanism includes a first long boat, a second long boat, a first outrigger oil cylinder, a second outrigger oil cylinder, and a third outrigger oil cylinder, the fourth outrigger oil cylinder, the first telescopic oil cylinder, the second telescopic oil cylinder, the third telescopic oil cylinder, and the fourth telescopic oil cylinder. The leg oil cylinders are longitudinally slidably connected, through the expansion and contraction of the four telescopic oil cylinders, respectively drive the two long boats to slide longitudinally at the lower ends of the four outrigger oil cylinders to realize the longitudinal movement of the two long boats, thus realizing the longitudinal movement of the all-in-one machine; The moving mechanism includes the first short boat, the second short boat, the fifth telescopic oil cylinder, and the sixth telescopic oil cylinder. Through the expansion and contraction of the fifth telescopic oil cylinder and the sixth telescopic oil cylinder, the first short boat, the second short boat and the host platform are respectively driven The front end and the rear end slide laterally to realize the lateral movement of the two short boats, thereby realizing the lateral movement of the all-in-one machine.
11、本发明提供的设备，其吊机的设置，方便吊装作业的吊装施工，操纵室用于对相一体机的操作控制。11. For the equipment provided by the present invention, the setting of the crane facilitates the hoisting construction of the hoisting operation, and the control room is used to control the operation of the integrated machine.
附图说明Description of drawings
图1是本发明实施例端部支撑变幅式搅拌压桩一体机的立体示意图一。Fig. 1 is a three-dimensional schematic diagram 1 of an end-supported luffing-type pile-stirring all-in-one machine according to an embodiment of the present invention.
图2是本发明实施例端部支撑变幅式搅拌压桩一体机的立体示意图二。Fig. 2 is a perspective view II of an end-supported luffing-type pile-stirring all-in-one machine according to an embodiment of the present invention.
图3是本发明实施例端部支撑变幅式搅拌压桩一体机的右侧视图。Fig. 3 is a right side view of the end-supported luffing-type pile-stirring all-in-one machine according to the embodiment of the present invention.
图4是本发明实施例端部支撑变幅式搅拌压桩一体机的左侧视图。Fig. 4 is a left side view of the end-supported luffing-type pile-stirring all-in-one machine according to the embodiment of the present invention.
图5是本发明实施例端部支撑变幅式搅拌压桩一体机竖直状态的后视图。Fig. 5 is a rear view of the vertical state of the end-supported luffing-type pile-stirring all-in-one machine according to the embodiment of the present invention.
图6是本发明实施例端部支撑变幅式搅拌压桩一体机向右侧倾斜状态的后视图。Fig. 6 is a rear view of the all-in-one machine with end support and luffing and piling tilting to the right according to the embodiment of the present invention.
图7是本发明实施例端部支撑变幅式搅拌压桩一体机向左侧倾斜状态的后视图。Fig. 7 is a rear view of the all-in-one machine with luffing-amplitude agitation and piling with end support according to the embodiment of the present invention in a state of tilting to the left.
附图标记说明：Explanation of reference signs:
10、主机平台，11、第一支撑牛腿，12、第二支撑牛腿，20、转动支座，21、转动轴，30、液压压桩机构，31、龙门架，32、压桩油缸，40、搅拌钻桩机构，41、塔架，411、内导轨，42、动力头，43、钻杆，44、随动架，45、提升卷扬机，46、滑轮组，47、钢丝绳，50、移动机构，51、纵向移动机构，511、第一长船，512、第二长船，513、第一支腿油缸，514、第二支腿油缸，515、第三支腿油缸，516、第四支腿油缸，517、第一伸缩油缸，518、第二伸缩油缸，519、第三伸缩油缸，520、第四伸缩油缸，53、横向移动机构，531、第一短船，532、第二短船，60、第一伸缩斜撑杆，61、第一支撑杆，62、第一斜撑油缸，70、第二伸缩斜撑杆，71、第二支撑杆，72、第二斜撑油缸，80、吊机，90、操纵室。10. Host platform, 11. First supporting corbel, 12. Second supporting corbel, 20. Rotating support, 21. Rotating shaft, 30. Hydraulic piling mechanism, 31. Gantry frame, 32. Piling cylinder, 40. Stirring pile drilling mechanism, 41. Tower frame, 411. Inner guide rail, 42. Power head, 43. Drill pipe, 44. Follower frame, 45. Hoist hoist, 46. Pulley block, 47. Wire rope, 50. Moving mechanism , 51, longitudinal movement mechanism, 511, the first long boat, 512, the second long boat, 513, the first outrigger oil cylinder, 514, the second outrigger oil cylinder, 515, the third outrigger oil cylinder, 516, the fourth branch Leg oil cylinder, 517, the first telescopic oil cylinder, 518, the second telescopic oil cylinder, 519, the third telescopic oil cylinder, 520, the fourth telescopic oil cylinder, 53, lateral movement mechanism, 531, the first short boat, 532, the second short boat , 60, the first telescopic strut, 61, the first strut, 62, the first strut oil cylinder, 70, the second telescopic strut, 71, the second strut, 72, the second strut cylinder, 80 , Crane, 90, control room.
具体实施方式Detailed ways
下面对本发明的实施例进行详细说明。Embodiments of the present invention will be described in detail below.
本实施例提供的端部支撑变幅式搅拌压桩一体机施工方法，其包括以下步骤：The construction method of the end-support luffing-amplitude mixing pile-pressing integrated machine provided in this embodiment includes the following steps:
步骤一桩机就位，其液压压桩机构、搅拌钻桩机构分别安装在其主机平台转动支座上；主机平台的端部设有第一伸缩斜撑杆、第二伸缩斜撑杆；将端部支撑变幅式搅拌压桩一体机移动至待施工区域，并使端部支撑变幅式搅拌压桩一体机的钻孔中心位于待施工桩基的桩位正上方；Step 1: When the pile driver is in place, its hydraulic pressure pile mechanism and agitating pile drilling mechanism are respectively installed on the rotating support of the main engine platform; the end of the main engine platform is provided with a first telescopic diagonal brace and a second telescopic diagonal brace; The end support luffing type mixing pile pressing machine is moved to the area to be constructed, and the drilling center of the end supporting luffing type mixing pile pressing machine is located directly above the pile position of the pile foundation to be constructed;
步骤二倾斜角度调整，伸缩调整第一伸缩斜撑杆60、第二伸缩斜撑杆70的伸长长度，从而调整塔架41与主机平台10竖向垂直轴线的倾斜角度，使搅拌钻桩机构40的钻孔倾斜角度、液压压桩机构30的压桩倾斜角度与待施工桩基的设计倾斜角度相对应；Step 2: adjust the tilt angle, telescopically adjust the extension length of the first telescopic diagonal brace 60 and the second telescopic diagonal brace 70, thereby adjusting the tilt angle between the tower frame 41 and the vertical axis of the host platform 10, so that the stirring and drilling mechanism The drilling inclination angle of 40, the pile inclination angle of the hydraulic pressure pile mechanism 30 are corresponding to the design inclination angle of the pile foundation to be constructed;
步骤三水泥搅拌桩施工，利用端部支撑变幅式搅拌压桩一体机的搅拌钻桩机构40对待施工桩位进行搅拌桩钻孔施工，获得施工成型的搅拌桩，其中搅拌桩的倾斜角度与待施工桩基的设计倾斜角度相对应；Step 3: In the construction of cement mixing piles, use the mixing pile drilling mechanism 40 of the end-supported luffing type mixing pile-pressing integrated machine to carry out the drilling construction of the mixing piles at the piles to be constructed, and obtain the construction-shaped mixing piles, wherein the inclination angle of the mixing piles is the same as Corresponding to the design inclination angle of the pile foundation to be constructed;
步骤四加芯桩安装，将待送压加芯桩吊装至端部支撑变幅式搅拌压桩一体机的液压压桩机构30上，使待送压加芯桩的底部与搅拌桩的顶部接触，并使待送压加芯桩与搅拌桩保持设定的同心度；Step 4: Install the cored pile, hoist the pressured cored pile to be sent to the hydraulic pressure pile mechanism 30 of the end-support luffing type mixing and pressing pile integrated machine, so that the bottom of the pressured and cored pile to be sent is in contact with the top of the stirring pile , and maintain the set concentricity between the pressure cored pile to be delivered and the stirring pile;
步骤五压桩，液压压桩机构30将加芯桩送压进搅拌桩内，直至加芯桩全部压入搅拌桩内。Step 5: Pile pressing, the hydraulic pile pressing mechanism 30 sends and presses the cored piles into the stirring pile until all the cored piles are pressed into the stirring pile.
该施工方法，先进行桩机就位，将该一体机的钻孔中心对正在待施工桩基的桩位上，接着调整第一伸缩斜撑杆60、第二伸缩斜撑杆70的伸长长度，从而调整塔架41与主机平台10竖向垂直轴线的倾斜角度，使搅拌钻桩机构40的钻孔倾斜角度、液压压桩机构30的压桩倾斜角度与待施工桩基的设计倾斜角度相对应，然后再进行搅拌桩施工作业及压桩施工作业，从而形成具有设定倾斜角度的加芯搅拌桩；该施工方法通过调整塔架41与主机平台10竖向垂直轴线的倾斜角度，从而准确控制加芯搅拌桩的倾斜角度，实现对具有设定倾斜角度的加芯搅拌桩的精确控制，同时使施工过程中的加芯桩与搅拌桩保持较高的同心度。In this construction method, the pile driver is first placed in place, the drilling center of the integrated machine is aligned with the pile position of the pile foundation to be constructed, and then the extension of the first telescopic diagonal brace 60 and the second telescopic diagonal brace 70 are adjusted. length, thereby adjusting the inclination angle between the tower frame 41 and the vertical axis of the host platform 10, so that the inclination angle of the drilling of the stirring pile drilling mechanism 40, the inclination angle of the pile pressure of the hydraulic pressure pile mechanism 30 and the design inclination angle of the pile foundation to be constructed Correspondingly, then the stirring pile construction operation and the pile pressing construction operation are carried out, thereby forming a cored stirring pile with a set inclination angle; this construction method adjusts the inclination angle of the tower frame 41 and the vertical axis of the main engine platform 10, thereby Accurately control the inclination angle of the cored mixing pile, realize precise control of the cored mixing pile with a set inclination angle, and at the same time maintain a high concentricity between the cored pile and the agitated pile during construction.
其中，步骤二倾斜角度调整，还包括以下步骤：Wherein, step 2 tilt angle adjustment also includes the following steps:
若待施工桩基的上端往第一伸缩斜撑杆60的一侧倾斜时，则第一伸缩斜撑杆60缩短、第二伸缩斜撑杆70伸长，使塔架41的上端相对于主机平台10竖向垂直轴线往第一伸缩斜撑杆60的一侧倾斜；If the upper end of the pile foundation to be constructed is tilted toward the first telescopic diagonal brace 60, the first telescopic diagonal brace 60 will be shortened, and the second telescopic diagonal brace 70 will be elongated, so that the upper end of the tower 41 is relative to the main frame. The vertical axis of the platform 10 is inclined to one side of the first telescopic diagonal brace 60;
若待施工桩基的上端往第二伸缩斜撑杆70的一侧倾斜时，则第二伸缩斜撑杆70缩短、第一伸缩斜撑杆60伸长，使塔架41的上端相对于主机平台10竖向垂直轴线往第二伸缩斜撑杆70的一侧倾斜。If the upper end of the pile foundation to be constructed is inclined to the side of the second telescopic diagonal brace 70, the second telescopic diagonal brace 70 is shortened, and the first telescopic diagonal brace 60 is elongated, so that the upper end of the tower 41 is relatively opposite to the main frame. The vertical axis of the platform 10 is inclined to one side of the second telescopic diagonal brace 70 .
当待施工桩基的上端往第一伸缩斜撑杆60的一侧倾斜时，则第一伸缩斜撑杆60缩短、第二伸缩斜撑杆70伸长，使塔架41的上端相对于主机平台10竖向垂直轴线往所述第一伸缩斜撑杆60的一侧倾斜，从而使搅拌钻桩机构40、液压压桩机构30往第一伸缩斜撑杆60的一侧倾斜，从而使施工完成的加芯搅拌桩的上端往第一伸缩斜撑杆60的一侧倾斜；同理，当待施工桩基的上端往所述第二伸缩斜撑杆70的一侧倾斜时，则第二伸缩斜撑杆70缩短、第一伸缩斜撑杆60伸长，使塔架41的上端相对于所述主机平台10竖向垂直轴线往第二伸缩斜撑杆70的一侧倾斜，从而使搅拌钻桩机构40、液压压桩机构30往第二伸缩斜撑杆70的一侧倾斜，从而使施工完成的加芯搅拌桩的上端往第二伸缩斜撑杆70的一侧倾斜。When the upper end of the pile foundation to be constructed is tilted to one side of the first telescopic diagonal brace 60, the first telescopic diagonal brace 60 is shortened, and the second telescopic diagonal brace 70 is extended, so that the upper end of the tower 41 is relatively The vertical axis of the platform 10 is inclined to one side of the first telescopic diagonal strut 60, so that the stirring pile drilling mechanism 40 and the hydraulic pressure pile mechanism 30 are inclined to one side of the first telescopic diagonal strut 60, so that the construction The upper end of the completed cored mixing pile is inclined to the side of the first telescopic diagonal brace 60; similarly, when the upper end of the pile foundation to be constructed is inclined to the side of the second telescopic diagonal brace 70, the second telescopic diagonal brace 70 is inclined. The telescopic diagonal brace 70 is shortened, and the first telescopic diagonal brace 60 is extended, so that the upper end of the tower 41 is inclined to the side of the second telescopic diagonal brace 70 relative to the vertical axis of the host platform 10, so that the stirring The pile drilling mechanism 40 and the hydraulic pressure pile mechanism 30 are tilted to one side of the second telescopic diagonal brace 70 , so that the upper end of the completed cored stirring pile is tilted to one side of the second telescopic diagonal brace 70 .
步骤一桩机就位，还包括以下步骤：Step one pile machine is in place, also includes the following steps:
纵向移动机构51的四个支腿油缸收缩，使横向移动机构53的第一短船531、第二短船532支撑在地面上，纵向移动机构51的第一长船511、第二长船512离开地面，驱动纵向移动机构51的第一长船511、第二长船512相对于主机平台10纵向移动；The four outrigger cylinders of the longitudinal movement mechanism 51 contract, so that the first short boat 531 and the second short boat 532 of the lateral movement mechanism 53 are supported on the ground, and the first long boat 511 and the second long boat 512 of the longitudinal movement mechanism 51 Leave the ground, drive the first long boat 511 and the second long boat 512 of the longitudinal movement mechanism 51 to move longitudinally relative to the host platform 10;
纵向移动机构51的四个支腿油缸伸长，使第一长船511、第二长船512支撑在地面上，横向移动机构53的第一短船531、第二短船532离开地面，驱动主机平台10相对于第一长船511、第二长船512纵向移动，从而实现主机平台10纵向移动；The four outrigger oil cylinders of longitudinal movement mechanism 51 elongate, make the first long boat 511, the second long boat 512 support on the ground, the first short boat 531 of lateral movement mechanism 53, the second short boat 532 leave the ground, drive The host platform 10 moves longitudinally relative to the first long ship 511 and the second long ship 512, thereby realizing the longitudinal movement of the host platform 10;
驱动第一短船531、第二短船532相对于主机平台10横向移动，纵向移动机构51的四个支腿油缸收缩，使横向移动机构53的第一短船531、第二短船532支撑在地面上，第一长船511、第二长船512离开地面，驱动主机平台10相对于第一短船531、第二短船532横向移动，从而实现主机平台10横向移动。Drive the first short boat 531 and the second short boat 532 to move laterally relative to the host platform 10, and the four outrigger oil cylinders of the longitudinal movement mechanism 51 shrink, so that the first short boat 531 and the second short boat 532 of the lateral movement mechanism 53 support On the ground, the first long boat 511 and the second long boat 512 leave the ground, and drive the host platform 10 to move laterally relative to the first short boat 531 and the second short boat 532 , so as to realize the lateral movement of the host platform 10 .
本一体机的移动通过二个长船和二个短船的配合，实现本一体机的纵向移动和横向移动，机位移动操作量少、移位速度快，桩体定位精度高、桩体后续位移及变形小，节约施工时间及能源，且提高施工的安全性。The movement of the all-in-one machine is through the cooperation of two long boats and two short boats to realize the longitudinal movement and lateral movement of the all-in-one machine. The position movement operation is small, the displacement speed is fast, the positioning accuracy of the pile body is high, and the pile body follow-up Displacement and deformation are small, saving construction time and energy, and improving construction safety.
如图1至图7所示，一种实施上述施工方法的端部支撑变幅式搅拌压桩一体机，包括主机平台10、转动支座20、转动轴21、液压压桩机构30、搅拌钻桩机构40、移动机构50、第一伸缩斜撑杆60、第二伸缩斜撑杆70，转动支座20通过转动轴21与主机平台10的中部转动连接，液压压桩机构30、搅拌钻桩机构40分别安装在转动支座20上，搅拌钻桩机构40包括塔架41，第一伸缩斜撑杆60、第二伸缩斜撑杆70的上端分别与塔架41两侧的中部铰接，第一伸缩斜撑杆60、第二伸缩斜撑杆70的下端分别与主机平台10两侧的后端铰接，第一伸缩斜撑杆60、第二伸缩斜撑杆70分别位于塔架41的两相反侧上，移动机构50安装在主机平台10的底部。As shown in Figures 1 to 7, an end-support luffing-type pile-stirring all-in-one machine for implementing the above-mentioned construction method includes a main engine platform 10, a rotating support 20, a rotating shaft 21, a hydraulic pile pressing mechanism 30, and a stirring drill Pile mechanism 40, moving mechanism 50, the first telescopic diagonal brace 60, the second telescopic diagonal brace 70, the rotating support 20 is rotationally connected with the middle part of the host platform 10 through the rotating shaft 21, the hydraulic pressure pile mechanism 30, the stirring and drilling pile Mechanism 40 is installed on the rotating support 20 respectively, and stirring pile drilling mechanism 40 comprises tower frame 41, and the upper end of first telescopic diagonal brace 60, the upper end of second telescopic diagonal brace 70 is respectively hinged with the middle part of tower frame 41 both sides, the second The lower ends of a telescopic diagonal brace 60 and the second telescopic diagonal brace 70 are respectively hinged to the rear ends of the main engine platform 10. The first telescopic diagonal brace 60 and the second telescopic diagonal brace 70 are respectively located On the opposite side, the moving mechanism 50 is mounted on the bottom of the host platform 10 .
液压压桩机构30、搅拌钻桩机构40分别安装在转动支座20上，转动支座20通过转动轴21与主机平台10的中部转动连接，实现了液压压桩机构30、搅拌钻桩机构40相对于主机平台10的变幅倾斜转动，通过对第一伸缩斜撑杆60、第二伸缩斜撑杆70的伸长长度的调整，实现了塔架41与主机平台10竖向垂直轴线的倾斜角度调整，从而实现对液压压桩机构30、搅拌钻桩机构40相对于主机平台10竖向垂直轴线的倾斜角度调整，进而实现调整搅拌桩的钻孔倾斜角度及加芯桩的压桩倾斜角度；该一体机通过对第一伸缩斜撑杆60、第二伸缩斜撑杆70的伸缩控制，从而同时调整搅拌钻桩机构40的钻孔倾斜角度及液压压桩机构30的压桩倾斜角度，实现对加芯搅拌桩的倾斜角度控制，同时使施工过程中的加芯桩与搅拌桩保持较高的同心度。The hydraulic pressure pile mechanism 30 and the stirring pile drilling mechanism 40 are respectively installed on the rotating support 20, and the rotating support 20 is rotationally connected with the middle part of the host platform 10 through the rotating shaft 21, realizing the hydraulic pressure pile mechanism 30 and the stirring pile drilling mechanism 40 With respect to the luffing and tilting rotation of the host platform 10, the inclination of the tower 41 and the vertical axis of the host platform 10 is realized by adjusting the extension lengths of the first telescopic diagonal brace 60 and the second telescopic diagonal brace 70 Angle adjustment, so as to realize the adjustment of the inclination angle of the hydraulic pressure pile mechanism 30 and the stirring and drilling mechanism 40 relative to the vertical vertical axis of the host platform 10, and then realize the adjustment of the inclination angle of the drilling of the stirring pile and the inclination angle of the pressure pile of the cored pile The all-in-one machine adjusts the drilling inclination angle of the stirring pile drilling mechanism 40 and the pile pressure inclination angle of the hydraulic pressure pile mechanism 30 through the telescopic control of the first telescopic diagonal strut 60 and the second telescopic diagonal strut 70, Realize the control of the inclination angle of the cored mixing pile, and at the same time maintain a high concentricity between the cored pile and the mixing pile during construction.
其中，本端部支撑变幅式搅拌压桩一体机还包括第一支撑牛腿11、第二支撑牛腿12，第一支撑牛腿11、第二支撑牛腿12的一端分别安装在主机平台10两侧的后端上，第一支撑牛腿11、第二支撑牛腿12的另一端分别往主机平台10两侧的相反方向延伸，并与第一伸缩斜撑杆60、第二伸缩斜撑杆70的下端铰接。第一支撑牛腿11、第二支撑牛腿12的设置，使第一伸缩斜撑杆60、第二伸缩斜撑杆70对塔架41的支撑变幅调节更为稳定。Wherein, this end support luffing type stirring and piling integrated machine also includes a first support bracket 11 and a second support bracket 12, and one end of the first support bracket 11 and the second support bracket 12 are respectively installed on the host platform On the rear end of both sides of 10, the other end of the first supporting corbel 11 and the second supporting corbel 12 extend to the opposite direction of the host platform 10 both sides respectively, and connect with the first telescopic diagonal brace 60, the second telescopic diagonal The lower end of the strut 70 is hinged. The setting of the first support corbel 11 and the second support corbel 12 makes the luffing adjustment of the support of the tower 41 by the first telescopic diagonal brace 60 and the second telescopic diagonal brace 70 more stable.
第一伸缩斜撑杆60包括第一支撑杆61、第一斜撑油缸62，第二伸缩斜撑杆70包括第二支撑杆71、第二斜撑油缸72，第一斜撑油缸62、第二斜撑油缸72的上端分别通过第一支撑杆61、第二支撑杆71与塔架41两侧的中部铰接，第一斜撑油缸62、第二斜撑油缸72的下端分别与第一支撑牛腿11、第二支撑牛腿12的另一端铰接。第一斜撑油缸62、第二斜撑油缸72分别利用第一支撑杆61、第二支撑杆71加长连接，方便第一伸缩斜撑杆60、第二伸缩斜撑杆70与塔架41的支撑连接。The first telescopic strut 60 includes a first strut 61 and a first strut cylinder 62, the second telescopic strut 70 includes a second strut 71 and a second strut cylinder 72, the first strut cylinder 62, the second The upper ends of the two brace oil cylinders 72 are hinged to the middle parts of the two sides of the first brace rod 61, the second brace rod 71 and the tower frame 41 respectively, and the lower ends of the first brace cylinder 62 and the second brace cylinder 72 are connected to the first brace respectively. The other ends of the corbel 11 and the second supporting corbel 12 are hinged. The first diagonal brace oil cylinder 62 and the second diagonal brace oil cylinder 72 utilize the first support rod 61 and the second support rod 71 to lengthen and connect respectively, so as to facilitate the connection between the first telescopic diagonal brace 60, the second telescopic diagonal brace 70 and the tower 41. Support connection.
搅拌钻桩机构40还包括动力头42、钻杆43、随动架44、提升卷扬机45、滑轮组46、钢丝绳47，塔架41朝向前端的侧面上设有内导轨411，钻杆43的上端通过随动架44与内导轨411滑动连接，钻杆43的下端穿过动力头42，并与其旋转连接；提升卷扬机45安装在塔架41朝向后端的侧面上，钢丝绳47的一端与提升卷扬机45连接，钢丝绳47的另一端通过滑轮组46与随动架44连接。钻杆43用于对搅拌桩的钻孔成孔，动力头42为钻杆43的钻孔提供旋转动力，钻杆43的上端通过随动架44与内导轨411滑动连接，保证了钻杆43钻孔轨道的稳定性，使钻杆43的钻孔轨道沿着内导轨411的方向钻孔；提升卷扬机45通过钢丝绳47为钻杆43的提升提供动力。Stirring pile drilling mechanism 40 also includes power head 42, drilling rod 43, follower frame 44, hoist hoist 45, pulley block 46, steel wire rope 47, and tower frame 41 is provided with inner guide rail 411 on the side towards front end, and the upper end of drilling rod 43 passes through The follower frame 44 is slidably connected with the inner guide rail 411, and the lower end of the drill rod 43 passes through the power head 42 and is connected in rotation with it; the lifting winch 45 is installed on the side of the tower frame 41 towards the rear end, and one end of the wire rope 47 is connected with the lifting winch 45 , the other end of the wire rope 47 is connected with the follower frame 44 through the pulley block 46 . Drilling rod 43 is used for the drilling of mixing pile, and power head 42 provides rotational power for the drilling of drilling rod 43, and the upper end of drilling rod 43 is slidably connected with inner guide rail 411 by follower frame 44, has guaranteed that drilling rod 43 The stability of the drilling track makes the drilling track of the drilling rod 43 drill holes along the direction of the inner guide rail 411; the lifting hoist 45 provides power for the lifting of the drilling rod 43 through the wire rope 47.
液压压桩机构30包括龙门架31、压桩油缸32、夹桩器，压桩油缸32、夹桩器分别通过龙门架31安装在转动支座20上，夹桩器的夹桩中轴线与动力头42的旋转中轴线相对应。使用时，用夹桩器夹住加芯桩，压桩油缸32驱动夹桩器将加芯桩压入搅拌桩内，龙门架31为压桩油缸32、夹桩器提供支撑。The hydraulic pressure pile mechanism 30 comprises a gantry frame 31, a pile pressure cylinder 32, and a pile clamp. The pile pressure cylinder 32 and the pile clamp are respectively installed on the rotating support 20 through the portal frame 31. The central axis of the pile clamp and the power of the pile clamp The central axis of rotation of the head 42 corresponds. During use, clamp the cored pile with the pile clamper, and the pile clamping cylinder 32 drives the pile clamper to press the cored pile into the stirring pile, and the gantry 31 provides support for the pile clamping cylinder 32 and the pile clamper.
移动机构50包括纵向移动机构51、横向移动机构53，纵向移动机构51包括第一长船511、第二长船512、第一支腿油缸513、第二支腿油缸514、第三支腿油缸515、第四支腿油缸516、第一伸缩油缸517、第二伸缩油缸518、第三伸缩油缸519、第四伸缩油缸520，主机平台10的两侧包括第一侧、第二侧，第一支腿油缸513、第二支腿油缸514分别安装在第一侧的前端、后端上，第三支腿油缸515、第四支腿油缸516分别安装在第二侧的前端、后端上，第一长船511的前端、后端分别与第一支腿油缸513、第二支腿油缸514的下端纵向滑动连接，第二长船512的前端、后端分别与第三支腿油缸515、第四支腿油缸516的下端纵向滑动连接，第一伸缩油缸517的两端分别与第一长船511的前端、第一支腿油缸513的下端铰接，第二伸缩油缸518的两端分别与第一长船511的后端、第二支腿油缸514的下端铰接，第三伸缩油缸519的两端分别与第二长船512的前端、第三支腿油缸515的下端铰接，第四伸缩油缸520的两端分别与第二长船512的后端、第四支腿油缸516的下端铰接；二个长船通过四个支腿油缸实现升降，二个长船分别与四个支腿油缸纵向滑动连接，通过四个伸缩油缸的伸缩，分别驱动二个长船在四个支腿油缸的下端纵向滑动，实现二个长船的纵向移动，从而实现本一体机的纵向移动；The moving mechanism 50 includes a longitudinal moving mechanism 51 and a lateral moving mechanism 53. The longitudinal moving mechanism 51 includes a first long boat 511, a second long boat 512, a first outrigger oil cylinder 513, a second outrigger oil cylinder 514, and a third outrigger oil cylinder. 515, the fourth outrigger oil cylinder 516, the first telescopic oil cylinder 517, the second telescopic oil cylinder 518, the third telescopic oil cylinder 519, the fourth telescopic oil cylinder 520, the two sides of the host platform 10 include the first side, the second side, the first The outrigger oil cylinder 513 and the second outrigger oil cylinder 514 are installed on the front end and the rear end of the first side respectively, and the third outrigger oil cylinder 515 and the fourth outrigger oil cylinder 516 are respectively installed on the front end and the rear end of the second side. The front end and rear end of the first long boat 511 are respectively longitudinally slidingly connected with the lower ends of the first outrigger oil cylinder 513 and the second outrigger oil cylinder 514, and the front end and rear end of the second long boat 512 are respectively connected with the third outrigger oil cylinder 515, The lower end of the fourth outrigger oil cylinder 516 is longitudinally slidably connected, the two ends of the first telescopic oil cylinder 517 are respectively hinged with the front end of the first longboat 511 and the lower end of the first outrigger oil cylinder 513, and the two ends of the second telescopic oil cylinder 518 are respectively connected with The rear end of the first long boat 511 and the lower end of the second outrigger cylinder 514 are hinged, and the two ends of the third telescopic oil cylinder 519 are respectively hinged with the front end of the second longboat 512 and the lower end of the third outrigger cylinder 515. The two ends of the oil cylinder 520 are respectively hinged with the rear end of the second long boat 512 and the lower end of the fourth outrigger oil cylinder 516; Longitudinal sliding connection, through the expansion and contraction of the four telescopic oil cylinders, respectively drive the two long boats to slide longitudinally at the lower ends of the four outrigger cylinders to realize the longitudinal movement of the two long boats, thereby realizing the longitudinal movement of the all-in-one machine;
横向移动机构53包括第一短船531、第二短船532、第五伸缩油缸、第六伸缩油缸，第一短船531、第二短船532分别与主机平台10的前端、后端横向滑动连接，第五伸缩油缸的两端分别与主机平台10的前端、第一短船531铰接，第六伸缩油缸的两端分别与主机平台10的后端、第二短船532铰接。通过第五伸缩油缸、第六伸缩油缸的伸缩，分别驱动第一短船531、第二短船532与主机平台10的前端、后端横向滑动，实现二个短船的横向移动，从而实现本一体机的横向移动。The lateral movement mechanism 53 includes a first short boat 531, a second short boat 532, a fifth telescopic oil cylinder, and a sixth telescopic oil cylinder. Connect, the two ends of the fifth telescopic oil cylinder are respectively hinged with the front end of the main engine platform 10 and the first short boat 531, and the two ends of the sixth telescopic oil cylinder are respectively hinged with the rear end of the main engine platform 10 and the second short boat 532. Through the expansion and contraction of the fifth telescopic oil cylinder and the sixth telescopic oil cylinder, the first short boat 531, the second short boat 532 and the front end and rear end of the main engine platform 10 are respectively driven to slide laterally, so as to realize the lateral movement of the two short boats, thereby realizing the present invention. Lateral movement of the all-in-one.
优选的，本端部支撑变幅式搅拌压桩一体机还包括吊机80、操纵室90，吊机80安装在主机平台10的前端上，操纵室90安装在主机平台10的后端。吊机80的设置，方便吊装作业的吊装施工，操纵室90用于对相一体机的操作控制。Preferably, the end-supported luffing-type pile-stirring integrated machine also includes a crane 80 and a control room 90 , the crane 80 is installed on the front end of the host platform 10 , and the control room 90 is installed at the rear end of the host platform 10 . The setting of crane 80 facilitates the hoisting construction of hoisting operation, and the control room 90 is used for the operation control of the integrated machine.
以上仅为本发明的具体实施例，并不以此限定本发明的保护范围；在不违反本发明构思的基础上所作的任何替换与改进，均属本发明的保护范围。The above are only specific embodiments of the present invention, and do not limit the protection scope of the present invention; any replacement and improvement made on the basis of not violating the concept of the present invention shall fall within the protection scope of the present invention.
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| CN112726610A (en) * | 2020-12-21 | 2021-04-30 | 东台康鼎工程机械制造有限公司 | Static pressure pile machine with stirring pile function |
| CN113931184A (en) * | 2021-11-08 | 2022-01-14 | 山河智能装备股份有限公司 | Stirring static pile press |
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