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WO2018166516A1 - 一种施工时与基础顶部连接的组合装置及其施工法 - Google Patents

一种施工时与基础顶部连接的组合装置及其施工法 Download PDF

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Publication number
WO2018166516A1
WO2018166516A1 PCT/CN2018/079250 CN2018079250W WO2018166516A1 WO 2018166516 A1 WO2018166516 A1 WO 2018166516A1 CN 2018079250 W CN2018079250 W CN 2018079250W WO 2018166516 A1 WO2018166516 A1 WO 2018166516A1
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WIPO (PCT)
Prior art keywords
foundation
chain
base
rock
cutter
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Ceased
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PCT/CN2018/079250
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English (en)
French (fr)
Inventor
王燏斌
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Individual
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Publication of WO2018166516A1 publication Critical patent/WO2018166516A1/zh
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain

Definitions

  • the invention relates to a combined device and a construction method for connecting with a foundation top during construction, and belongs to the technical field of civil engineering foundation construction.
  • the existing large-scale basic technology adopts the overall excavation construction method, with long construction period, high labor intensity and poor working environment safety.
  • the invention provides a combined device and a construction method for connecting with a foundation top during construction, and the purpose thereof aims to overcome the defects existing in the prior art, and the main advantage thereof is that the foundation itself has a combination device for excavating the bottom rock of the foundation,
  • the factory has a prefabricated foundation, simple construction, short construction period and low cost.
  • the combined device 2 connected to the top of the foundation 1 during construction comprises a chain cutter power transmission device 2-1, a spoil treatment device 2-2 and a frame 2-3, a device 2-1 and a device 2 2 are installed on the frame 2-3, the device 2-1 and the base 1 and the chain cutter 3 constitute a chain excavation device 4, and the foundation 1 is a frame of the chain excavating device 4, and the bottom of the foundation 1 is provided with excavation during construction.
  • the top is connected in one piece, the device 2-1 drives the chain cutter 3 to run along the track on the foundation 1, the chain cutter 3 excavates the rock at the bottom of the foundation 1, and brings the excavated geotechnical to the upper, the device 2-2 will chain
  • the rock from the bottom of the base 1 is separated from the chain cutter 3, and the device 2 is simultaneously lowered with the base 1.
  • the device 2-1 is composed of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2 and a sprocket 2-1-3.
  • the foundation 1 is a word base 1A, and the basic foundation 1A is set during construction.
  • Each of them is provided with a chain excavation device 4A which only excavates the rock at the bottom of each base, that is, a plurality of devices 2A-1 are provided on the frame 2B-3 of the device 2B.
  • the invention has the advantages that the foundation itself has a combined device for excavating the bottom rock of the foundation, the factory prefabricated foundation, the construction is simple, the construction period is short, and the cost is low.
  • FIG. 1 is a schematic structural view of a base 1 as a base 1A, and is also a structural schematic diagram of a base 1A top joint assembly 2A, a chain cutter 3 having a digging rock at the bottom of the foundation 1A, and a side cover 6 of the foundation 1 with a bottom edge angle.
  • Figure 2 is a view in the direction of arrow A of Figure 1, and is also a schematic structural view of the chain excavating device 4A composed of the device 2A-1 and the base 1A and the chain cutter 3;
  • Figure 3 is a B-direction view of Figure 1 (with the chain cutter 3 removed), and is also a power transmission consisting of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2 and a sprocket 2-1-3. Schematic diagram of the device 2A-1;
  • Figure 4 is a C-C view of Figure 1, which is also a cross-sectional view of the frame 2A-3 of the combination device 2A, and is also a schematic structural view of the mud line 5-1 of the mud line device 5;
  • Figure 5 is a D-D view of Figure 1, and is also a schematic structural view of the mud nozzle 5-2 on the base bottom 1A-1;
  • FIG. 6 is a schematic structural view of the chain cutter 3, which is also a schematic structural view of the chain 3-1 and the cutter 3-2, and is also a chain 3- consisting of A ten-byte 3-1-1 and B ten-byte 3-1-2.
  • a schematic diagram of the ten-byte structure of 1 is also a schematic diagram of the structure in which the chain 3-1 realizes space bending;
  • FIG. 7 is a schematic structural view of the base 1 as a combined base 1B, and is a structural schematic view of the combined base 1B top joint assembly 2B, and the chain cutter 3 having the excavated rock at the bottom of the combined foundation 1B;
  • Figure 8 is a view taken along the line A of Figure 7, and is also a schematic structural view of the combination device 2B composed of the power transmission device 2B-1, the spoil treatment device 2B-2, and the frame 2B-3, and is also composed of the device 2B-1 and the combination.
  • 1B and the chain knife 3 constitute a schematic diagram of the structure of the chain excavation device 4A;
  • Figure 9 is a B-direction view of Figure 7 (with the chain cutter 3 removed), and is also a power transmission consisting of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2 and a sprocket 2-1-3. Schematic diagram of the device 2B-1;
  • Figure 10 is a C-C view of Figure 7, which is also a cross-sectional view of the frame 2B-3 of the combination device 2B, and is also a schematic structural view of the mud line 5-1 of the mud line device 5;
  • FIG. 11 is a schematic structural view of a first section (ie, a bottom section) combined base 1B-1 preform, and is also a schematic structural view of the first section (ie, the bottom section) combined foundation 1B-1 in which the chain cutter 3 is installed and clamped in the field;
  • Figure 12 is a schematic view showing the structure of the bottom of the frame 2B-3 in the apparatus 2B connected to the top of the first-stage combined base 1B-1, and also the chain of the chain cutter 3 at the bottom of the device 2B and the top of the first-stage combined base 1B-1. Schematic diagram of the connection of the knife 3;
  • Figure 13 is a device 2-1-1 driving the chain cutter 3 along the track on the foundation 1B, the chain cutter 3 excavating the rock at the bottom of the first segment foundation 1B-1, and the device 2B along with the first segment foundation 1B-1
  • Figure 14 is a schematic structural view of the device 2B removed from the first segment base 1B-1;
  • Figure 15 is a schematic view showing the structure of connecting the bottom of the second stage base 1B-2 with the top of the first stage base 1B-1, and also the chain knife 3 at the bottom of the second stage base 1B-2 and the first stage base 1B-1. Schematic diagram of the connection of the top chain cutters 3;
  • Figure 16 is a schematic view showing the structure of the bottom of the frame 2B-3 in the apparatus 2B connected to the top of the second stage base 1B-2, and also the chain knife 3 at the bottom of the device 2B and the chain knife 3 at the top of the second stage base 1B-2. Connected structure diagram;
  • Figure 17 is a device 2-1-1 driving the chain cutter 3 along the track on the foundation 1B, the chain cutter 3 excavating the rock at the bottom of the first section of the foundation 1B-1, and bringing the excavated geotechnical to the upper structure
  • the schematic diagram is also a schematic diagram of the device 2B, the first segment base 1B-1 and the second segment base 1B-2 are synchronously lowered to the set position;
  • Figure 18 is a schematic view showing the structure of the device 2B after being separated from the second segment base 1B-2;
  • Fig. 19 is a schematic view showing the structure in which the chain cutter 3 is poured into the concrete after the foundation 1B is lowered to the set position.
  • 1 in the figure is the basis, divided into 1A and 1B; 1A is a word base; 1A-1 is the first paragraph (ie, the bottom); the 1A-2 is the second paragraph; 1B is The combined foundation consists of several one-word bases 1A; 1B-1 is the first (ie, bottom) combined foundation; 1B-2 is the second combined basis; 2 is the combined device connected to the top of the foundation 1 during construction, Including the chain cutter power transmission device 2-1, the spoil treatment device 2-2 and the frame 2-3; 2A is a combined device connected to the top of the first base 1A during construction, including the chain cutter power transmission device 2A-1, discarded The soil treatment device 2A-2 and the frame 2A-3; 2B are combined devices connected to the top of the combined base 1B during construction, including the chain cutter power transmission device 2B-1, the spoil disposal device 2B-2, and the frame 2B-3.
  • ;2-1 is the power transmission device of the chain cutter, which is composed of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2 and a sprocket 2-1-3;
  • 2A-1 is a word base
  • the power transmission device of the 1A winding knife is composed of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2 and a sprocket 2-1-3;
  • 2B-1 is a combined basic 1B winding knife Power transmission, with chain cutter drive 2-1-1, chain knife tensioning
  • the device 2-1-2 is composed of a sprocket 2-1-3;
  • 2-1-1 is a chain cutter driving device;
  • 2-1-2 is a chain knife tensioning device;
  • 2-1-3 is a sprocket;
  • 2 is the spoiler treatment device of the combination device 2;
  • 2A-2 is the spoil treatment device of the combination device 2A;
  • 2B-2 is the spoil treatment device of the combination device 2B;
  • 2-3 is the frame of the combination device 2; 2A
  • the combination device 2 connected to the top of the foundation 1 during construction comprises a chain cutter power transmission device 2-1, a spoil treatment device 2-2 and a frame 2-3, and the device 2-1 and the device 2-2 are both mounted on the frame 2 -3, the device 2-1 and the base 1 and the chain cutter 3 constitute a chain excavation device 4, the foundation 1 is a frame of the chain excavating device 4, and the bottom of the foundation 1 is provided with a chain cutter 3 for excavating geotechnical, The chain cutter 3 only excavates the rock at the bottom of the foundation 1, and the chain cutter 3 is composed of a chain 3-1 and a cutter 3-2 fixed on the chain 3-1; during construction, the device 2 is integrated with the top of the foundation 1 and the device 2
  • the -1 drive chain cutter 3 runs along the track on the foundation 1, the chain cutter 3 excavates the rock at the bottom of the foundation 1 and brings the excavated rock to the top, and the device 2-2 takes the chain cutter 3 from the bottom of the base 1
  • the rock and soil that came up are separated from the chain
  • the device 2-1 is composed of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2, and a sprocket 2-1-3.
  • the foundation 1 is a one-word base 1A, and the one-story foundation 1A is provided with a chain excavation device 4A for excavating the bottom rock of the foundation 1A, that is, a device 2A-1 is provided on the frame 2A-3 of the device 2A.
  • the basis of the above is a combined foundation 1B composed of a plurality of one-word bases 1A, each of which is provided with a chain excavating device 4A for excavating only the respective bottom rock of the foundation, that is, the frame 2B-3 of the device 2B.
  • a chain excavating device 4A for excavating only the respective bottom rock of the foundation, that is, the frame 2B-3 of the device 2B.
  • the frame 2-3 in the device 2 comprises a mud line device 5, which is connected to a mud nozzle 5-2 at the bottom of the foundation.
  • the chain excavating device 4 connects the mud pipeline 5-1 at the bottom of the device 2 with the mud pipeline 5-1 at the top of the first section foundation 1-1;
  • device 2-1-1 drives the chain cutter 3 to run along the track on the foundation 1-1, and the chain cutter 3 excavates the rock at the bottom of the first section of the foundation 1-1, and will have Excavating the geotechnical belt to the top, the device 2-2 separates the rock soil brought by the chain cutter 3 from the bottom of the foundation 1-1 with the chain cutter 3;
  • the device 2 is synchronously lowered to the set position along with the first segment base 1-1;
  • device 2-1-1 drives the chain cutter 3 to run along the track on the foundation 1, and the chain cutter 3 excavates the rock at the bottom of the first section of the foundation 1-1, and the excavated
  • the rock belt is brought up, and the device 2-2 separates the rock from the bottom of the base 1-1 with the chain cutter 3;
  • the device 2 the first segment base 1-1 and the second segment base 1-2 are synchronously lowered to the set position;
  • the frame 2-3 in the device 2 is the construction work platform of the foundation 1.
  • the foundation 1 is a one-word base 1A
  • the combination device 2A connected to the top of the first base 1A during construction includes a chain cutter power transmission device 2A-1 and a spoil disposal device 2A-2.
  • the frame 2A-3, the device 2A-1 and the device 2A-2 are both mounted on the frame 2A-3, the device 2A-1 and the word base 1A and the chain knife 3 form a chain excavation device 4A, a word base 1A It is a frame of the chain excavation device 4A.
  • the foundation 1A of the construction is provided with a chain excavation device 4A for excavating the bottom rock of the first base 1A, that is, a device 2A-1 is provided on the frame 2A-3 of the device 2A.
  • the chain cutter 3 is composed; during construction, the device 2A is integrated with the top of the first base 1A, and the device 2A-1 drives the chain cutter 3 to run along the track on the first base 1A, and the chain cutter 3 excavates the bottom of the base 1A.
  • the device 2A-2 separates the rock soil brought by the chain cutter 3 from the bottom of the first base 1A with the chain cutter 3, and the device 2A is synchronized with the first base 1A. drop.
  • the base 1 is a one-word base 1A
  • the device 2A-1 is composed of a chain cutter driving device 2-1-1, a chain knife tensioning device 2-1-2, and a sprocket 2-1-3.
  • the base 1 is a one-word base 1A
  • the frame 2A-3 in the apparatus 2A includes a mud line device 5, which is connected to a mud nozzle 5-2 at the bottom of the base 1A. .
  • the base 1 is a combined base 1B, and the combined base 1B is composed of a plurality of one-word bases 1A, and each of the one-word bases 1A is provided with a chain excavating device for excavating only the bottom rock of each foundation. 4A, that is, the rack 2B-3 of the device 2B is provided with a plurality of devices 2A-1.
  • the foundation 1 is the combined foundation 1B, and the construction method is as follows:
  • the chain excavating device 4A connects the mud pipeline 5-1 at the bottom of the device 2A with the mud pipeline 5-1 at the top of the first section foundation 1B-1;
  • device 2-1-1 drives the chain cutter 3 to run along the foundation track, and the chain cutter 3 excavates the rock at the bottom of the first segment foundation 1B-1, and the excavated rock
  • the soil belt is above, and the device 2B-2 separates the rock soil brought by the chain cutter 3 from the bottom of the base 1B-1 with the chain cutter 3;
  • the device 2B is synchronously lowered to the set position along with the first segment base 1B-1;
  • device 2-1-1 drives the chain cutter 3 to run along the track on the foundation 1B, and the chain cutter 3 excavates the rock at the bottom of the first segment of the base 1B-1, and the excavated
  • the rock belt is brought up to the upper, and the device 2B-2 separates the rock soil brought from the bottom of the base 1B-1 by the chain cutter 3 and the chain cutter 3;

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Abstract

一种施工时与基础(1)顶部连接的组合装置(2)，包括链刀动力传动装置(2-1)、弃土处理装置(2-2)和机架(2-3)，链刀动力传动装置(2-1)和弃土处理装置(2-2)均安装在机架(2-3)上，链刀动力传动装置(2-1)和基础(1)及链刀(3)组成链式挖掘装置(4)，基础(1)是链式挖掘装置(4)的机架；施工时基础(1)的底部设有挖掘岩土的链刀(3)，链刀(3)仅挖掘基础(1)底部的岩土，组合装置(2)与基础(1)顶部连接成一体，链刀动力传动装置(2-1)驱动链刀(3)沿着基础(1)上的轨道运行，链刀(3)挖掘基础(1)底部的岩土，并将已挖掘的岩土带至上方，弃土处理装置(2-2)将链刀(3)从基础(1)底部带上来的岩土与链刀(3)分离，组合装置(2)随着基础(1)一起同步下降。还公开了一种施工时与基础(1)顶部连接的组合装置(2)的施工法。

Description

一种施工时与基础顶部连接的组合装置及其施工法 技术领域
本发明涉及的是一种施工时与基础顶部连接的组合装置及其施工法，属于土木工程基础施工技术领域。
背景技术
现有大型基础技术采用整体开挖施工方式，施工周期长，劳动强度大，工作环境安全度差。
发明内容
本发明提出的是一种施工时与基础顶部连接的组合装置及其施工法，其目的旨在克服现有技术存在的缺陷，其主要优点：基础自身带有挖掘基础底部岩土的组合装置，工厂预制基础，施工简单，施工周期短，成本低。
本发明的技术解决方案：施工时与基础1顶部连接的组合装置2包括链刀动力传动装置2-1、弃土处理装置2-2和机架2-3，装置2-1和装置2-2均安装在机架2-3上，装置2-1和基础1及链刀3组成链式挖掘装置4，基础1是链式挖掘装置4的机架，施工时基础1的底部设有挖掘岩土的链刀3，链刀3仅挖掘基础1底部的岩土，链刀3由链条3-1和固定于链条3-1上的刀具3-2组成；施工时，装置2与基础1顶部连接成一体，装置2-1驱动链刀3沿着基础1上的轨道运行，链刀3挖掘基础1底部的岩土，并将已挖掘的岩土带至上方，装置2-2将链刀3从基础1底部带上来的岩土与链刀3分离，装置2随着基础1一起同步下降。
装置2-1由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成，基础1是一字基础1A，施工时一字基础1A设有挖掘基础1A底部岩土的链式挖掘装置4A，即装置2A的机架上设有一个装置2A-1；基础是由若干个一字基础1A组成的组合基础1B，每个一字基础1A均设有仅挖掘各自基础底部岩土的链式挖掘装置4A，即装置2B的机架2B-3上设有若干个装置2A-1。
本发明的优点：基础自身带有挖掘基础底部岩土的组合装置，工厂预制基础，施工简单，施工周期短，成本低。
附图说明
图1是基础1为一字基础1A的结构示意图，也是基础1A顶部连接组合 装置2A，基础1A底部有挖掘岩土的链刀3的结构示意图，也是底部带刃角的基础1的侧面罩6与链刀3组成的链式输送机的结构示意图，也是由动力传动装置2A-1、弃土处理装置2A-2和机架2A-3组成的组合装置2A的结构示意图；
图2是图1的A向视图，也是由装置2A-1和基础1A及链刀3组成链式挖掘装置4A的结构示意图；
图3是图1的B向视图(去除链刀3)，也是由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成的动力传动装置2A-1的结构示意图；
图4是图1的C-C视图，也是组合装置2A的机架2A-3的截面视图，也是泥浆管路装置5的泥浆管路5-1的结构示意图；
图5是图1的D-D视图,也是基础底部1A-1上的泥浆喷嘴5-2的结构示意图；
图6是链刀3的结构示意图，也是链条3-1和刀具3-2的结构示意图，也是由A十字节3-1-1和B十字节3-1-2组成的链条3-1的十字节的结构示意图，也是链条3-1实现空间弯曲的结构示意图；
图7是基础1为组合基础1B的结构示意图，也是组合基础1B顶部连接组合装置2B，组合基础1B底部有挖掘岩土的链刀3的结构示意图；
图8是图7的A向视图，也是由动力传动装置2B-1、弃土处理装置2B-2和机架2B-3组成的组合装置2B的结构示意图,也是由装置2B-1和组合基础1B及链刀3组成链式挖掘装置4A的结构示意图；
图9是图7的B向视图(去除链刀3)，也是由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成的动力传动装置2B-1的结构示意图；
图10是图7的C-C视图，也是组合装置2B的机架2B-3的截面视图，也是泥浆管路装置5的泥浆管路5-1的结构示意图；
图11是第一段(即底段)组合基础1B-1预制件的结构示意图，也是第一段(即底段)组合基础1B-1在现场安装完链刀3并蹲位的结构示意图；
图12是装置2B中的机架2B-3的底部与第一段组合基础1B-1的顶部相连的结构示意图，也是装置2B底部的链刀3与第一段组合基础1B-1顶部的链刀3相连的结构示意图；
图13是装置2-1-1带动链刀3沿着基础1B上的轨道运行，链刀3挖掘第一段基础1B-1底部的岩土，装置2B随着第一段基础1B-1一起同步下降至设定位 置的结构示意图；
图14是将装置2B从第一段基础1B-1上移走后的结构示意图；
图15是将第二段基础1B-2的底部与第一段基础1B-1的顶部相连的结构示意图，也是将第二段基础1B-2底部的链刀3与第一段基础1B-1顶部的链刀3相连的结构示意图；
图16是装置2B中的机架2B-3的底部与第二段基础1B-2的顶部相连的结构示意图，也是装置2B底部的链刀3与第二段基础1B-2顶部的链刀3相连的结构示意图；
图17是装置2-1-1带动链刀3沿着基础1B上的轨道运行，链刀3挖掘第一段基础1B-1底部的岩土，并将已挖掘的岩土带至上方的结构示意图，也是装置2B、第一段基础1B-1和第二段基础1B-2一起同步下降至设定位置的结构示意图；
图18是将装置2B从第二段基础1B-2上分离移走后的结构示意图；
图19是基础1B下降到设定的位置后，抽出链刀3灌注混凝土的结构示意图。
图中的1是基础，分1A和1B两种结构；1A是一字基础；1A-1是第一段(即底段)一字基础；1A-2是第二段一字基础；1B是组合基础，由若干个一字基础1A组成；1B-1是第一段(即底段)组合基础；1B-2是第二段组合基础；2是施工时与基础1顶部连接的组合装置，包括链刀动力传动装置2-1、弃土处理装置2-2和机架2-3；2A是施工时与一字基础1A顶部连接的组合装置，包括链刀动力传动装置2A-1、弃土处理装置2A-2和机架2A-3；2B是施工时与组合基础1B顶部连接的组合装置，包括链刀动力传动装置2B-1、弃土处理装置2B-2和机架2B-3；2-1是链刀的动力传动装置，由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成；2A-1是一字基础1A上链刀的动力传动装置，由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成；2B-1是组合基础1B上链刀的动力传动装置，由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成；2-1-1是链刀驱动装置；2-1-2是链刀张紧装置；2-1-3是链轮；2-2是组合装置2弃土处理装置；2A-2是组合装置2A的弃土处理装置；2B-2是组合装置2B的弃土处理装置；2-3是组合装置2的机架；2A-3是组合装置2A的机架；2B-3 是组合装置2B的机架；3是挖掘岩土的链刀，由链条3-1和固定于链条3-1上的刀具3-2组成；3-1是组成链刀3的链条；3-1-1是组成链条十字节的A十字节；3-1-2是组成链条十字节的B十字节；3-2是组成链刀3的刀具；4是链式挖掘装置，由装置2-1和基础1及链刀3组成；4A是挖掘基础1A底部岩土的链式挖掘装置；5是泥浆管路装置；5-1是装置2中的机架2-3上的泥浆管路；5-2是基础底部1-1上的泥浆喷嘴；6是底部带刃角的基础1的侧面罩。
具体实施方式
施工时与基础1顶部连接的组合装置2包括链刀动力传动装置2-1、弃土处理装置2-2和机架2-3，装置2-1和装置2-2均安装在机架2-3上，装置2-1和基础1及链刀3组成链式挖掘装置4，基础1是链式挖掘装置4的机架，施工时基础1的底部设有挖掘岩土的链刀3，链刀3仅挖掘基础1底部的岩土，链刀3由链条3-1和固定于链条3-1上的刀具3-2组成；施工时，装置2与基础1顶部连接成一体，装置2-1驱动链刀3沿着基础1上的轨道运行，链刀3挖掘基础1底部的岩土，并将已挖掘的岩土带至上方，装置2-2将链刀3从基础1底部带上来的岩土与链刀3分离，装置2随着基础1一起同步下降。
所述的装置2-1由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成。
所述的基础1是一字基础1A，施工时一字基础1A设有挖掘基础1A底部岩土的链式挖掘装置4A，即装置2A的机架2A-3上设有一个装置2A-1。
所述的基础是由若干个一字基础1A组成的组合基础1B，每个一字基础1A均设有仅挖掘各自基础底部岩土的链式挖掘装置4A，即装置2B的机架2B-3上设有若干个装置2A-1。
所述的装置2中的机架2-3包括泥浆管路装置5，泥浆管路5-1与基础底部的泥浆喷嘴5-2相连。
所述的施工法分如下歩骤：
1)在工厂分段或整体预制基础1；
2)将第一段(即底段)基础1-1运至现场，安装链刀3；
3)将装置2中的机架2-3的底部与第一段基础1-1的顶部相连，将装置2底部的链刀3与第一段基础1-1顶部的链刀3相连，组成链式挖掘装置4，将装 置2底部的泥浆管路5-1与第一段基础1-1顶部的泥浆管路5-1相连；
4)启动装置2-1-1，装置2-1-1带动链刀3沿着基础1-1上的轨道运行，链刀3挖掘第一段基础1-1底部的岩土，并将已挖掘的岩土带至上方，装置2-2将链刀3从基础1-1底部带上来的岩土与链刀3分离；
5)装置2随着第一段基础1-1一起同步下降至设定位置；
6)将装置2与第一段基础1-1分离后移走；
7)将第二段基础1-2的底部与第一段基础1-1的顶部相连，将第二段基础1-2底部的链刀3与第一段基础1-1顶部的链刀3相连，将第二段基础1-2底部的泥浆管路5-1与第一段基础1-1顶部的泥浆管路5-1相连；
8)将装置2中的机架2-3的底部与第二段基础1-2的顶部相连，将装置2底部的链刀3与第二段基础1-2顶部的链刀3相连，组成链式挖掘装置4；将装置2底部的泥浆管路5-1与第二段基础1-2顶部的泥浆管路5-1相连；
9)启动装置2-1-1，装置2-1-1带动链刀3沿着基础1上的轨道运行，链刀3挖掘第一段基础1-1底部的岩土，并将已挖掘的岩土带至上方，装置2-2将链刀3从基础1-1底部带上来的岩土与链刀3分离；
10)装置2、第一段基础1-1和第二段基础1-2一起同步下降至设定位置；
11)将装置2与第二段基础1-2分离后移走；
重复上述7)、8)、9)、10)，完成各段基础的连接和下降到设定的位置后，抽出链刀3灌注混凝土。
所述的装置2中的机架2-3是基础1的施工作业平台。
下面结合附图进一步描述本发明：
如图1、图2和图6所示，基础1为一字基础1A，施工时与一字基础1A顶部连接的组合装置2A包括链刀动力传动装置2A-1、弃土处理装置2A-2和机架2A-3，装置2A-1和装置2A-2均安装在机架2A-3上，装置2A-1和一字基础1A及链刀3组成链式挖掘装置4A，一字基础1A是链式挖掘装置4A的机架，施工时一字基础1A设有挖掘一字基础1A底部岩土的链式挖掘装置4A，即装置2A的机架2A-3上设有一个装置2A-1；施工时一字基础1A的底部设有挖掘岩土的链刀3，链刀3仅挖掘一字基础1A底部的岩土，链刀3由链条3-1和固定于链条3-1上的刀具3-2组成；施工时，装置2A与一字基础1A顶部连接成一体， 装置2A-1驱动链刀3沿着一字基础1A上的轨道运行，链刀3挖掘一字基础1A底部的岩土，并将已挖掘的岩土带至上方，装置2A-2将链刀3从一字基础1A底部带上来的岩土与链刀3分离，装置2A随着一字基础1A一起同步下降。
如图3所示，基础1为一字基础1A，装置2A-1由链刀驱动装置2-1-1、链刀张紧装置2-1-2和链轮2-1-3组成。
如图4和图5所示，基础1为一字基础1A，装置2A中的机架2A-3包括泥浆管路装置5，泥浆管路5-1与基础1A底部的泥浆喷嘴5-2相连。
如图7～图10所示，基础1为组合基础1B，组合基础1B是由若干个一字基础1A组成，每个一字基础1A均设有仅挖掘各自基础底部岩土的链式挖掘装置4A，即装置2B的机架2B-3上设有若干个装置2A-1。
如图11～图19所示，基础1为组合基础1B，施工法分如下歩骤：
1)在工厂分段预制组合基础1B；
2)将第一段(即底段)基础1B-1运至现场，安装链刀3；
3)将装置2B中的机架2B-3的底部与第一段基础1B-1的顶部相连，将装置2B底部的链刀3与第一段基础1B-1顶部的链刀3相连，组成链式挖掘装置4A，将装置2A底部的泥浆管路5-1与第一段基础1B-1顶部的泥浆管路5-1相连；
4)启动装置2-1-1，装置2-1-1带动链刀3沿着基础上的轨道运行，链刀3挖掘第一段基础1B-1底部的岩土，并将已挖掘的岩土带至上方，装置2B-2将链刀3从基础1B-1底部带上来的岩土与链刀3分离；
5)装置2B随着第一段基础1B-1一起同步下降至设定位置；
6)将装置2B与第一段基础1B-1分离移走；
7)将第二段基础1B-2的底部与第一段基础1B-1的顶部相连，将第二段基础1B-2底部的链刀3与第一段基础1B-1顶部的链刀3相连，将第二段基础1B-2底部的泥浆管路5-1与第一段基础1B-1顶部的泥浆管路5-1相连；
8)将装置2B中的机架2B-3的底部与第二段基础1B-2的顶部相连，将装置2B底部的链刀3与第二段基础1B-2顶部的链刀3相连，组成链式挖掘装置4A；将装置2B底部的泥浆管路5-1与第二段基础1B-2顶部的泥浆管路5-1相连；
9)启动装置2-1-1，装置2-1-1带动链刀3沿着基础1B上的轨道运行，链 刀3挖掘第一段基础1B-1底部的岩土，并将已挖掘的岩土带至上方，装置2B-2将链刀3从基础1B-1底部带上来的岩土与链刀3分离，；
10)装置2B、第一段基础1B-1和第二段基础1B-2一起同步下降至设定位置；
11)将装置2B与第二段基础1B-2分离移走；
重复上述7)、8)、9)、10)，完成各段基础的连接和下降到设定的位置后，抽出链刀3灌注混凝土。

Claims (7)

  1. 一种施工时与基础顶部连接的组合装置，其特征是施工时与基础(1)顶部连接的组合装置(2)包括链刀动力传动装置(2-1)、弃土处理装置(2-2)和机架(2-3)，装置(2-1)和装置(2-2)均安装在机架(2-3)上，装置(2-1)和基础(1)及链刀(3)组成链式挖掘装置(4)，基础(1)是链式挖掘装置(4)的机架，施工时基础(1)的底部设有挖掘岩土的链刀(3)，链刀(3)仅挖掘基础(1)底部的岩土，链刀(3)由链条(3-1)和固定于链条(3-1)上的刀具(3-2)组成；施工时，装置(2)与基础(1)顶部连接成一体，装置(2-1)驱动链刀(3)沿着基础(1)上的轨道运行，链刀(3)挖掘基础(1)底部的岩土，并将已挖掘的岩土带至上方，装置(2-2)将链刀(3)从基础(1)底部带上来的岩土与链刀(3)分离，装置(2)随着基础(1)一起同步下降。
  2. 根据权利要求1所述的一种施工时与基础顶部连接的组合装置，其特征是所述的装置(2-1)由链刀驱动装置(2-1-1)、链刀张紧装置(2-1-2)和链轮(2-1-3)组成。
  3. 根据权利要求1所述的一种施工时与基础顶部连接的组合装置，其特征是所述的基础(1)是一字基础(1A)，施工时一字基础(1A)设有挖掘基础(1A)底部岩土的链式挖掘装置(4A)，即装置(2A)的机架(2A-3)上设有一个装置(2A-1)。
  4. 根据权利要求3所述的一种施工时与基础顶部连接的的组合装置，其特征是所述的基础是由若干个一字基础(1A)组成的组合基础(1B)，每个一字基础(1A)均设有仅挖掘各自基础底部岩土的链式挖掘装置(4A)，即装置(2B)的机架(2B-3)上设有若干个装置(2A-1)。
  5. 根据权利要求1所述的一种施工时与基础顶部连接的组合装置，其特征是所述的装置(2)中的机架(2-3)包括泥浆管路装置(5)，泥浆管路(5-1)与基础底部的泥浆喷嘴(5-2)相连。
  6. 根据权利要求1所述的一种施工时与基础顶部连接的组合装置施工法，其特征是所述的施工法分如下歩骤：
    1)在工厂分段或整体预制基础(1)；
    2)将第一段(即底段)基础(1-1)运至现场，安装链刀(3)；
    3)将装置(2)中的机架(2-3)的底部与第一段基础(1-1)的顶部相连， 将装置(2)底部的链刀(3)与第一段基础(1-1)顶部的链刀(3)相连，组成链式挖掘装置(4)，将装置(2)底部的泥浆管路(5-1)与第一段基础(1-1)顶部的泥浆管路(5-1)相连；
    4)启动装置(2-1-1)，装置(2-1-1)带动链刀(3)沿着基础(1-1)上的轨道运行，链刀(3)挖掘第一段基础(1-1)底部的岩土，并将已挖掘的岩土带至上方，装置(2-2)将链刀(3)从基础(1-1)底部带上来的岩土与链刀(3)分离；
    5)装置(2)随着第一段基础(1-1)一起同步下降至设定位置；
    6)将装置(2)与第一段基础(1-1)分离后移走；
    7)将第二段基础(1-2)的底部与第一段基础(1-1)的顶部相连，将第二段基础(1-2)底部的链刀(3)与第一段基础(1-1)顶部的链刀(3)相连，将第二段基础(1-2)底部的泥浆管路(5-1)与第一段基础(1-1)顶部的泥浆管路(5-1)相连；
    8)将装置(2)中的机架(2-3)的底部与第二段基础(1-2)的顶部相连，将装置(2)底部的链刀(3)与第二段基础(1-2)顶部的链刀(3)相连，组成链式挖掘装置(4)；将装置(2)底部的泥浆管路(5-1)与第二段基础(1-2)顶部的泥浆管路(5-1)相连；
    9)启动装置(2-1-1)，装置(2-1-1)带动链刀(3)沿着基础(1)上的轨道运行，链刀(3)挖掘第一段基础(1-1)底部的岩土，并将已挖掘的岩土带至上方，装置(2-2)将链刀(3)从基础(1-1)底部带上来的岩土与链刀(3)分离；
    10)装置(2)、第一段基础(1-1)和第二段基础(1-2)一起同步下降至设定位置；
    11)将装置(2)与第二段基础(1-2)分离后移走；
    重复上述7)、8)、9)、10)，完成各段基础的连接和下降到设定的位置后，抽出链刀(3)灌注混凝土。
  7. 根据权利要求1所述的一种施工时与基础顶部连接的组合装置，其特征是所述的装置(2)中的机架(2-3)是基础(1)的施工作业平台。
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