CN108252337A - A kind of pile foundation drags the multi-functional stress test device changed - Google Patents

A kind of pile foundation drags the multi-functional stress test device changed Download PDF

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Publication number
CN108252337A
CN108252337A CN201810133758.0A CN201810133758A CN108252337A CN 108252337 A CN108252337 A CN 108252337A CN 201810133758 A CN201810133758 A CN 201810133758A CN 108252337 A CN108252337 A CN 108252337A
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support
arc
shaped base
plate
base
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CN108252337B (en
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刘芳平
程龙飞
闫磊
苗秀鹏
刘路
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Chongqing Three Gorges University
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Chongqing Three Gorges University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
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  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The multi-functional stress test device changed is dragged the invention discloses a kind of pile foundation, relates generally to technical field of building construction.Including at least three arc-shaped bases, connection support plate is equipped between the two neighboring arc-shaped base, the top of the arc-shaped base is equipped with several supporting racks from bottom to top, bar is vertically directed there are two being set on support frame as described above, it is vertically directed described in two between bar equipped with supporting block, arcuately pedestal is radially provided with guide rail for the top of the supporting block, the top of the guide rail is equipped with support slipper, on the support slipper horizontally-supported column is equipped with close to the side in the center of circle of arc-shaped base, the described one end of horizontally-supported column far from support slipper is equipped with stress meter mounting bracket, it is vertically-mounted on the stress meter mounting bracket to have Reinforcement Stress-count.The beneficial effects of the present invention are:Reinforcement Stress-count can be quickly installed in place by it, can be shortened the installation occupied time of Reinforcement Stress-count, can be improved working efficiency.

Description

一种桩基拖换的多功能应力测试装置A multifunctional stress testing device for dragging and changing pile foundations

技术领域technical field

本发明涉及建筑施工技术领域,具体是一种桩基拖换的多功能应力测试装置。The invention relates to the technical field of building construction, in particular to a multifunctional stress testing device for dragging and changing pile foundations.

背景技术Background technique

桩基拖换是进行地基处理和加固的一种方式,一般用于建筑物地下基础改造,主要解决既有建筑物的地基加固问题、既有建筑物基础下需要修建地下工程以及新建建筑工程影响到既有建筑物安全时需要处理等问题,因此桩基拖换后的应力测试尤为重要,目前,在进行应力测试时往往采用钢筋应力计进行桩身的应力测试,钢筋应力计的安装完全依靠人工,需要借助多种工具才能将钢筋应力计安装到位,钢筋应力计的安装过程占用了大量的时间,工作效率低。Pile foundation dragging and replacement is a way of foundation treatment and reinforcement. It is generally used for the reconstruction of the underground foundation of buildings. It mainly solves the foundation reinforcement problems of existing buildings, the need to build underground projects under the foundation of existing buildings, and the impact of new construction projects. When it comes to the safety of existing buildings, it needs to be dealt with. Therefore, the stress test after the pile foundation is towed and replaced is particularly important. Manually, a variety of tools are needed to install the steel bar stress gauge in place. The installation process of the steel bar stress gauge takes up a lot of time and the work efficiency is low.

发明内容Contents of the invention

本发明的目的在于提供一种桩基拖换的多功能应力测试装置,它能够将钢筋应力计快速的安装到位,能够缩短钢筋应力计的安装所占用的时间,能够提高工作效率。The purpose of the present invention is to provide a multifunctional stress testing device for dragging and changing pile foundations, which can quickly install the steel bar stress gauge in place, shorten the time taken for installation of the steel bar stress gauge, and improve work efficiency.

本发明为实现上述目的,通过以下技术方案实现:In order to achieve the above object, the present invention is achieved through the following technical solutions:

一种桩基拖换的多功能应力测试装置,包括至少三个弧形底座,相邻两个所述弧形底座之间设有连接支撑板,所述连接支撑板的底面与弧形底座的底面共面,所述弧形底座的底部的两端均设有与连接支撑板相适应的安装槽,所述安装槽内设有连接柱,所述连接支撑板上设有与连接柱相适应的安装孔,所述安装槽的宽度大于连接支撑板的宽度,所述连接支撑板通过连接柱与弧形底座转动连接,所述连接支撑板的长度可调,所述弧形底座上远离弧形底座的圆心的一侧设有底板,所述底板的底面与弧形底座的底面共面,所述底板上设有地脚螺栓,所述弧形底座的顶部自下而上设有若干个支撑架,相邻所述支撑架之间设有支撑座,所述支撑座与支撑架可拆卸连接,所述支撑架上设有两个竖直导向杆,所述竖直导向杆与支撑架固定连接,两个所述竖直导向杆之间设有支撑块,所述支撑块的两端均设有与竖直导向杆相适应的导向套,所述支撑块的顶部沿弧形底座的径向设有导轨,所述导轨的顶部设有支撑滑块,所述支撑滑块与导轨滑动连接,所述支撑滑块上靠近弧形底座的圆心的一侧设有水平支撑柱,所述水平支撑柱远离支撑滑块的一端设有应力计安装架,所述水平支撑柱的一端与支撑滑块固定连接,另一端与应力计安装架固定连接,所述应力计安装架上竖直安装有钢筋应力计,所述支撑滑块远离水平支撑柱的一端水平设有第一电动推杆,所述导轨的顶部远离弧形底座的圆心的一端设有第一安装座,所述第一电动推杆的一端与第一安装座连接,另一端与支撑滑块连接,所述支撑块的底部竖直设有第二电动推杆,所述支撑架的底部的中部设有与第二电动推杆相适应的第二安装座,所述第二电动推杆的一端与第二安装座连接,另一端与支撑块连接。A multi-functional stress testing device for dragging and changing pile foundations, comprising at least three arc-shaped bases, a connecting support plate is arranged between two adjacent arc-shaped bases, and the bottom surface of the connecting support plate and the arc-shaped base The bottom surfaces are coplanar, and both ends of the bottom of the arc-shaped base are provided with installation grooves compatible with the connection support plate, the installation groove is provided with a connection column, and the connection support plate is provided with The installation hole, the width of the installation groove is greater than the width of the connection support plate, the connection support plate is connected with the arc base through the connection column, the length of the connection support plate is adjustable, and the arc base is far away from the arc One side of the center of the arc-shaped base is provided with a base plate, the bottom surface of the base plate is coplanar with the bottom surface of the arc-shaped base, the base plate is provided with anchor bolts, and the top of the arc-shaped base is provided with several A support frame, a support seat is provided between the adjacent support frames, the support seat is detachably connected to the support frame, and the support frame is provided with two vertical guide rods, the vertical guide rods and the support frame Fixedly connected, a support block is provided between the two vertical guide rods, and guide sleeves compatible with the vertical guide rods are provided at both ends of the support block, and the top of the support block is along the arc-shaped base. Guide rails are radially provided, and a support slider is provided on the top of the guide rail, and the support slider is slidably connected with the guide rail, and a horizontal support column is provided on the side of the support slider near the center of the arc-shaped base, and the One end of the horizontal support column away from the support slider is provided with a strain gauge mounting frame, one end of the horizontal support column is fixedly connected to the support slider, and the other end is fixedly connected to the stress gauge mounting frame, and the stress gauge mounting frame is vertically installed There is a steel bar stress gauge, the end of the support slider away from the horizontal support column is horizontally provided with a first electric push rod, the end of the top of the guide rail away from the center of the circle of the arc-shaped base is provided with a first mounting seat, and the first electric push rod One end of the push rod is connected with the first mounting seat, and the other end is connected with the support slider. The bottom of the support block is vertically provided with the second electric push rod, and the middle part of the bottom of the support frame is provided with the second electric push rod. The rod is adapted to the second mounting seat, one end of the second electric push rod is connected to the second mounting seat, and the other end is connected to the support block.

所述弧形底座与底板之间设有加强筋。A reinforcing rib is provided between the arc-shaped base and the bottom plate.

相邻两个所述弧形底座上位于同一水平面上的两个支撑座之间设有连接杆。A connecting rod is arranged between two supporting bases on the same horizontal plane on two adjacent arc-shaped bases.

所述支撑架上设有爬梯。A ladder is provided on the support frame.

对比现有技术,本发明的有益效果在于:Compared with the prior art, the beneficial effects of the present invention are:

1、本发明整体采用可拆卸结构,能够便于本发明的运输与安装,连接支撑板将弧形底座连接在一起,能够增加本发明与地面的接触面积,能够保证本发明支撑的稳定性,每个支撑架上均设有一个钢筋应力计,通过钢筋应力计检测桩身的应力,能够根据需要安装所需的支撑架的数量,通过第二电动推杆将钢筋应力计提升到与待检测位置相同的高度,通过第一电动推杆将钢筋应力计推送到待检测位置,能够将钢筋应力计快速的安装到位,能够缩短钢筋应力计的安装所占用的时间,能够提高工作效率。1. The present invention adopts a detachable structure as a whole, which can facilitate the transportation and installation of the present invention. The connecting support plate connects the arc-shaped base together, which can increase the contact area between the present invention and the ground, and can ensure the stability of the support of the present invention. Each supporting frame is equipped with a steel bar stress gauge, through which the stress of the pile body can be detected, and the number of supporting frames required can be installed according to the needs, and the steel bar stress gauge can be lifted to the position to be detected by the second electric push rod. At the same height, the steel bar stress gauge can be pushed to the position to be detected by the first electric push rod, the steel bar stress gauge can be quickly installed in place, the time taken for installation of the steel bar stress gauge can be shortened, and the work efficiency can be improved.

2、本发明的弧形底座与底板之间设有加强筋,能够提高弧形底座的稳定性。2. A reinforcing rib is provided between the arc-shaped base and the bottom plate of the present invention, which can improve the stability of the arc-shaped base.

3、本发明的相邻两个所述弧形底座上位于同一水平面上的两个支撑座之间设有连接杆,能够提高本发明整体结构的稳定性。3. In the present invention, a connecting rod is provided between the two supporting seats on the same horizontal plane on two adjacent arc-shaped bases, which can improve the stability of the overall structure of the present invention.

4、本发明的支撑架上设有爬梯,便于攀爬,能够便于本发明的组装。4. The support frame of the present invention is provided with a ladder, which is convenient for climbing and can facilitate the assembly of the present invention.

附图说明Description of drawings

附图1是本发明的结构示意图。Accompanying drawing 1 is a structural representation of the present invention.

附图中标号:1、弧形底座;2、连接支撑板;3、安装槽;4、连接柱;5、底板;6、地脚螺栓;7、支撑架;8、支撑座;9、竖直导向杆;10、支撑块;11、导向套;12、导轨;13、支撑滑块;14、水平支撑柱;15、应力计安装架;16、钢筋应力计;17、第一电动推杆;18、第一安装座;19、第二电动推杆;20、第二安装座;21、加强筋;22、连接杆。Labels in the attached drawings: 1. Arc-shaped base; 2. Connecting support plate; 3. Installation groove; 4. Connecting column; 5. Bottom plate; 6. Anchor bolt; 7. Support frame; 8. Support seat; Straight guide rod; 10, support block; 11, guide sleeve; 12, guide rail; 13, support slider; 14, horizontal support column; ; 18, the first mounting seat; 19, the second electric push rod; 20, the second mounting seat; 21, the reinforcing rib; 22, the connecting rod.

具体实施方式Detailed ways

下面结合具体实施例,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所限定的范围。Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined in the present application.

本发明所述是一种桩基拖换的多功能应力测试装置,包括至少三个弧形底座1,相邻两个所述弧形底座1之间设有连接支撑板2,所述连接支撑板2的底面与弧形底座1的底面共面,所述弧形底座1的底部的两端均设有与连接支撑板2相适应的安装槽3,所述安装槽3内设有连接柱4,所述连接支撑板2上设有与连接柱4相适应的安装孔,连接支撑板2将弧形底座1连接在一起,能够增加本发明与地面的接触面积,能够保证本发明支撑的稳定性。所述安装槽3的宽度大于连接支撑板2的宽度,所述连接支撑板2通过连接柱4与弧形底座1转动连接,所述连接支撑板2的长度可调,能够根据相邻两个弧形底座1之间的距离对连接支撑板2的长度进行调整,能够适用于不同的使用需要。所述弧形底座1上远离弧形底座1的圆心的一侧设有底板5,所述底板5的底面与弧形底座1的底面共面,所述底板5上设有地脚螺栓6,通过地脚螺栓6将弧形底座1的位置固定。所述弧形底座1的顶部自下而上设有若干个支撑架7,相邻所述支撑架7之间设有支撑座8,所述支撑座8与支撑架7可拆卸连接,所述支撑架7上设有两个竖直导向杆9,所述竖直导向杆9与支撑架7固定连接,两个所述竖直导向杆9之间设有支撑块10,所述支撑块10的两端均设有与竖直导向杆9相适应的导向套11,支撑块10的顶部沿弧形底座1的径向设有导轨12,所述导轨12的顶部设有支撑滑块13,所述支撑滑块13与导轨12滑动连接,所述支撑滑块13上靠近弧形底座1的圆心的一侧设有水平支撑柱14,所述水平支撑柱14远离支撑滑块13的一端设有应力计安装架15,所述水平支撑柱14的一端与支撑滑块13固定连接,另一端与应力计安装架15固定连接,所述应力计安装架15上竖直安装有钢筋应力计16,所述支撑滑块13远离水平支撑柱14的一端水平设有第一电动推杆17,所述导轨12的顶部远离弧形底座1的圆心的一端设有第一安装座18,所述第一电动推杆17的一端与第一安装座18连接,另一端与支撑滑块13连接,所述支撑块10的底部竖直设有第二电动推杆19,所述支撑架7的底部的中部设有与第二电动推杆19相适应的第二安装座20,所述第二电动推杆19的一端与第二安装座20连接,另一端与支撑块10连接,本发明整体采用可拆卸结构,能够便于本发明的运输与安装,每个支撑架7上均设有一个钢筋应力计16,通过钢筋应力计16检测桩身的应力,能够根据需要安装所需的支撑架7的数量,通过第二电动推杆19将钢筋应力计16提升到与待检测位置相同的高度,通过第一电动推杆17将钢筋应力计16推送到待检测位置,能够将钢筋应力计16快速的安装到位,能够缩短钢筋应力计16的安装所占用的时间,能够提高工作效率。The present invention is a multifunctional stress testing device for dragging and changing pile foundations, which includes at least three arc-shaped bases 1, and connecting support plates 2 are arranged between two adjacent arc-shaped bases 1, and the connecting supports The bottom surface of the plate 2 is coplanar with the bottom surface of the arc-shaped base 1, and both ends of the bottom of the arc-shaped base 1 are provided with installation grooves 3 compatible with the connection support plate 2, and the installation grooves 3 are provided with connecting columns 4. The connection support plate 2 is provided with installation holes compatible with the connection column 4, and the connection support plate 2 connects the arc-shaped base 1 together, which can increase the contact area between the present invention and the ground, and can ensure the support of the present invention. stability. The width of the installation groove 3 is greater than the width of the connection support plate 2, and the connection support plate 2 is rotationally connected with the arc-shaped base 1 through the connection column 4. The length of the connection support plate 2 is adjustable, and can be adjusted according to two adjacent The distance between the arc-shaped bases 1 adjusts the length of the connecting support plate 2, which can be adapted to different usage needs. A base plate 5 is provided on the side of the arc base 1 away from the center of the arc base 1, the bottom surface of the base plate 5 is coplanar with the bottom surface of the arc base 1, and the base plate 5 is provided with anchor bolts 6, The position of the arc-shaped base 1 is fixed by anchor bolts 6 . The top of the arc-shaped base 1 is provided with several support frames 7 from bottom to top, and a support seat 8 is provided between adjacent support frames 7, and the support seat 8 is detachably connected with the support frame 7. The support frame 7 is provided with two vertical guide rods 9, and the vertical guide rods 9 are fixedly connected with the support frame 7, and a support block 10 is provided between the two described vertical guide rods 9, and the support block 10 Both ends of the guide rail 12 are provided with a guide sleeve 11 compatible with the vertical guide rod 9, and the top of the support block 10 is provided with a guide rail 12 along the radial direction of the arc-shaped base 1, and the top of the guide rail 12 is provided with a support slider 13, The support slider 13 is slidably connected with the guide rail 12, the side of the support slider 13 close to the center of the arc base 1 is provided with a horizontal support column 14, and the end of the horizontal support column 14 is far away from the support slider 13. There is a stress gauge mounting frame 15, one end of the horizontal support column 14 is fixedly connected with the support slider 13, and the other end is fixedly connected with the stress gauge mounting frame 15, and a steel bar stress gauge 16 is vertically installed on the stress gauge mounting frame 15 The end of the support slider 13 away from the horizontal support column 14 is horizontally provided with a first electric push rod 17, and the end of the top of the guide rail 12 away from the center of the circle of the arc-shaped base 1 is provided with a first mounting seat 18. One end of an electric push rod 17 is connected with the first mount 18, and the other end is connected with the support slider 13, and the bottom of the support block 10 is vertically provided with a second electric push rod 19, and the bottom of the support frame 7 The middle part is provided with the second mounting seat 20 that is compatible with the second electric push rod 19, and one end of the second electric push rod 19 is connected with the second mounting seat 20, and the other end is connected with the support block 10. The structure can be disassembled to facilitate the transportation and installation of the present invention. A steel bar stress gauge 16 is arranged on each support frame 7, and the stress of the pile body can be detected by the steel bar stress gauge 16, and the required number of support frames 7 can be installed as required. The second electric push rod 19 is used to lift the steel bar stress gauge 16 to the same height as the position to be detected, and the first electric push rod 17 is used to push the steel bar stress gauge 16 to the position to be detected, so that the steel bar stress gauge 16 can be quickly installed In place, the time taken for the installation of the steel bar stress gauge 16 can be shortened, and work efficiency can be improved.

为了提高弧形底座的稳定性,所述弧形底座1与底板5之间设有加强筋21,能够提高弧形底座的稳定性。In order to improve the stability of the arc-shaped base, reinforcing ribs 21 are provided between the arc-shaped base 1 and the bottom plate 5, which can improve the stability of the arc-shaped base.

为了提高本发明整体结构的稳定性,相邻两个所述弧形底座1上位于同一水平面上的两个支撑座8之间设有连接杆22,能够提高本发明整体结构的稳定性。In order to improve the stability of the overall structure of the present invention, connecting rods 22 are provided between the two supporting bases 8 on the same horizontal plane on two adjacent arc-shaped bases 1, which can improve the stability of the overall structure of the present invention.

为了便于本发明的组装,所述支撑架7上设有爬梯,便于攀爬,能够便于本发明的组装。In order to facilitate the assembly of the present invention, the support frame 7 is provided with a ladder, which is convenient for climbing and can facilitate the assembly of the present invention.

实施例:本发明所述是一种桩基拖换的多功能应力测试装置,包括四个弧形底座1,相邻两个所述弧形底座1之间设有连接支撑板2,所述连接支撑板2的底面与弧形底座1的底面共面,所述弧形底座1的底部的两端均设有与连接支撑板2相适应的安装槽3,所述安装槽3内竖直焊接有连接柱4,所述连接支撑板2的端部设有与连接柱4相适应的安装孔,连接支撑板2将弧形底座1连接在一起,能够增加本发明与地面的接触面积,能够保证本发明支撑的稳定性。所述安装槽3的宽度大于连接支撑板2的宽度,所述连接支撑板2通过连接柱4与弧形底座1转动连接,连接支撑板2的端部可在安装槽3内转动。所述连接支撑板2的长度可调,能够根据相邻两个弧形底座1之间的距离对连接支撑板2的长度进行调整,能够适用于不同的使用需要。所述弧形底座1上远离弧形底座1的圆心的一侧焊接有底板5,底板5的底面与弧形底座1的底面共面,所述底板5上设有地脚螺栓6、与地脚螺栓6相适应的安装孔,通过地脚螺栓6将弧形底座1的位置固定。所述弧形底座1与底板5之间焊接有加强筋21,能够提高弧形底座的稳定性。所述弧形底座1的顶部自下而上设有若干个支撑架7,所述支撑架7上焊接有爬梯,便于攀爬,能够便于本发明的组装。相邻所述支撑架7之间设有支撑座8,所述支撑座8通过螺丝与支撑架7可拆卸连接,相邻两个所述弧形底座1上位于同一水平面上的两个支撑座8之间设有连接杆22,连接杆22通过螺丝与支撑座8连接,能够提高本发明整体结构的稳定性。所述支撑架7上焊接有两个竖直导向杆9,两个竖直导向杆9之间设有支撑块10,所述支撑块10的两端均焊接有与竖直导向杆9相适应的导向套11,支撑块10的顶部沿弧形底座1的径向设有导轨12,导轨12通过内六角螺丝固定在支撑块10上,所述导轨12的顶部设有支撑滑块13,所述支撑滑块13与导轨12滑动连接,支撑滑块13能够沿导轨12滑动,所述支撑滑块13上靠近弧形底座1的圆心的一侧焊接有水平支撑柱14,所述水平支撑柱14远离支撑滑块13的一端焊接有应力计安装架15,应力计安装架15上竖直安装有钢筋应力计16,所述支撑滑块13远离水平支撑柱14的一端水平设有第一电动推杆17,所述导轨12的顶部远离弧形底座1的圆心的一端焊接有第一安装座18,第一电动推杆17的一端通过螺丝与第一安装座18连接,另一端通过螺丝与支撑滑块13连接,所述支撑块10的底部竖直设有第二电动推杆19,所述支撑架7的底部的中部焊接有与第二电动推杆19相适应的第二安装座20,所述第二电动推杆19的一端通过螺丝与第二安装座20连接,另一端通过螺丝与支撑块10连接,本发明整体采用可拆卸结构,能够便于本发明的运输与安装,每个支撑架7上均设有一个钢筋应力计16,通过钢筋应力计16检测桩身的应力,能够根据需要安装所需的支撑架7的数量,通过第二电动推杆19将钢筋应力计16提升到与待检测位置相同的高度,通过第一电动推杆17将钢筋应力计16推送到待检测位置,能够将钢筋应力计16快速的安装到位,能够缩短钢筋应力计16的安装所占用的时间,能够提高工作效率。Embodiment: The present invention is a multi-functional stress testing device for dragging and changing pile foundations, which includes four arc-shaped bases 1, and connecting support plates 2 are arranged between two adjacent arc-shaped bases 1. The bottom surface of the connecting support plate 2 is coplanar with the bottom surface of the arc-shaped base 1, and the two ends of the bottom of the arc-shaped base 1 are provided with mounting grooves 3 compatible with the connecting supporting plate 2, and vertically in the mounting grooves 3 A connecting column 4 is welded, and the end of the connecting support plate 2 is provided with a mounting hole adapted to the connecting column 4, and the connecting supporting plate 2 connects the arc-shaped base 1 together, which can increase the contact area of the present invention with the ground, The stability of the support of the present invention can be guaranteed. The width of the mounting groove 3 is greater than that of the connecting support plate 2 , and the connecting supporting plate 2 is rotatably connected with the arc-shaped base 1 through the connecting column 4 , and the end of the connecting supporting plate 2 can rotate in the mounting groove 3 . The length of the connection support plate 2 is adjustable, and the length of the connection support plate 2 can be adjusted according to the distance between two adjacent arc-shaped bases 1 , which can be adapted to different use needs. The side of arc-shaped base 1 away from the center of circle of arc-shaped base 1 is welded with base plate 5, and the bottom surface of base plate 5 is coplanar with the bottom surface of arc-shaped base 1, and described base plate 5 is provided with anchor bolt 6, and ground The mounting holes that the anchor bolts 6 are adapted to fix the position of the arc-shaped base 1 by the anchor bolts 6. A reinforcing rib 21 is welded between the arc-shaped base 1 and the bottom plate 5, which can improve the stability of the arc-shaped base. The top of the arc-shaped base 1 is provided with several support frames 7 from bottom to top, and ladders are welded on the support frames 7, which is convenient for climbing and can facilitate the assembly of the present invention. A support base 8 is provided between adjacent support frames 7, and the support base 8 is detachably connected to the support frame 7 by screws. 8 is provided with connecting rod 22, and connecting rod 22 is connected with support seat 8 by screw, can improve the stability of the overall structure of the present invention. Two vertical guide rods 9 are welded on the support frame 7, a support block 10 is arranged between the two vertical guide rods 9, and the two ends of the support block 10 are welded with vertical guide rods 9. The guide sleeve 11, the top of the support block 10 is provided with a guide rail 12 along the radial direction of the arc base 1, the guide rail 12 is fixed on the support block 10 by hexagon socket head screws, and the top of the guide rail 12 is provided with a support slider 13, so The support slider 13 is slidably connected with the guide rail 12, and the support slider 13 can slide along the guide rail 12. The side of the support slider 13 near the center of the circle of the arc-shaped base 1 is welded with a horizontal support column 14. The horizontal support column 14 is welded with a stress gauge installation frame 15 at one end away from the support slider 13, and a steel bar stress gauge 16 is vertically installed on the stress gauge installation frame 15, and the end of the support slider 13 away from the horizontal support column 14 is horizontally provided with a first Push rod 17, the top of the guide rail 12 is welded with a first mount 18 away from the center of circle of the arc-shaped base 1, one end of the first electric push rod 17 is connected with the first mount 18 by a screw, and the other end is connected with the first mount 18 by a screw. The support slider 13 is connected, the bottom of the support block 10 is vertically provided with a second electric push rod 19, and the middle part of the bottom of the support frame 7 is welded with a second mounting seat 20 suitable for the second electric push rod 19 , one end of the second electric push rod 19 is connected to the second mounting seat 20 through a screw, and the other end is connected to the support block 10 through a screw. The present invention adopts a detachable structure as a whole, which can facilitate the transportation and installation of the present invention. Each A steel bar stress gauge 16 is arranged on the support frame 7, and the stress of the pile body is detected by the steel bar stress gauge 16, and the required number of support frames 7 can be installed as required, and the steel bar stress gauge 16 is promoted by the second electric push rod 19. To the same height as the position to be detected, the steel bar stress gauge 16 can be pushed to the position to be detected by the first electric push rod 17, the steel bar stress gauge 16 can be quickly installed in place, and the time taken for the installation of the steel bar stress gauge 16 can be shortened , can improve work efficiency.

Claims (4)

1.一种桩基拖换的多功能应力测试装置,其特征在于:包括至少三个弧形底座(1),相邻两个所述弧形底座(1)之间设有连接支撑板(2),所述连接支撑板(2)的底面与弧形底座(1)的底面共面,所述弧形底座(1)的底部的两端均设有与连接支撑板(2)相适应的安装槽(3),所述安装槽(3)内设有连接柱(4),所述连接支撑板(2)上设有与连接柱(4)相适应的安装孔,所述安装槽(3)的宽度大于连接支撑板(2)的宽度,所述连接支撑板(2)通过连接柱(4)与弧形底座(1)转动连接,所述连接支撑板(2)的长度可调,所述弧形底座(1)上远离弧形底座(1)的圆心的一侧设有底板(5),所述底板(5)的底面与弧形底座(1)的底面共面,所述底板(5)上设有地脚螺栓(6),所述弧形底座(1)的顶部自下而上设有若干个支撑架(7),相邻所述支撑架(7)之间设有支撑座(8),所述支撑座(8)与支撑架(7)可拆卸连接,所述支撑架(7)上设有两个竖直导向杆(9),所述竖直导向杆(9)与支撑架(7)固定连接,两个所述竖直导向杆(9)之间设有支撑块(10),所述支撑块(10)的两端均设有与竖直导向杆(9)相适应的导向套(11),所述支撑块(10)的顶部沿弧形底座(1)的径向设有导轨(12),所述导轨(12)的顶部设有支撑滑块(13),所述支撑滑块(13)与导轨(12)滑动连接,所述支撑滑块(13)上靠近弧形底座(1)的圆心的一侧设有水平支撑柱(14),所述水平支撑柱(14)远离支撑滑块(13)的一端设有应力计安装架(15),所述水平支撑柱(14)的一端与支撑滑块(13)固定连接,另一端与应力计安装架(15)固定连接,所述应力计安装架(15)上竖直安装有钢筋应力计(16),所述支撑滑块(13)远离水平支撑柱(14)的一端水平设有第一电动推杆(17),所述导轨(12)的顶部远离弧形底座(1)的圆心的一端设有第一安装座(18),所述第一电动推杆(17)的一端与第一安装座(18)连接,另一端与支撑滑块(13)连接,所述支撑块(10)的底部竖直设有第二电动推杆(19),所述支撑架(7)的底部的中部设有与第二电动推杆(19)相适应的第二安装座(20),所述第二电动推杆(19)的一端与第二安装座(20)连接,另一端与支撑块(10)连接。1. A multifunctional stress testing device for pile foundation dragging and changing, is characterized in that: comprise at least three arcuate bases (1), be provided with connecting support plate (1) between adjacent two described arcuate bases (1) 2), the bottom surface of the connecting support plate (2) is coplanar with the bottom surface of the arc-shaped base (1), and both ends of the bottom of the arc-shaped base (1) are equipped with The installation groove (3) of the installation groove (3) is provided with a connecting column (4), and the connecting support plate (2) is provided with an installation hole suitable for the connecting column (4), and the installation groove The width of (3) is greater than the width of the connection support plate (2), and the connection support plate (2) is rotatably connected with the arc base (1) through the connection column (4), and the length of the connection support plate (2) can be Adjustment, the side of the curved base (1) away from the center of the arc-shaped base (1) is provided with a base plate (5), the bottom surface of the base plate (5) is coplanar with the bottom surface of the arc-shaped base (1), The bottom plate (5) is provided with anchor bolts (6), and the top of the arc-shaped base (1) is provided with several support frames (7) from bottom to top, adjacent to the support frame (7) There is a support seat (8) between them, the support seat (8) is detachably connected with the support frame (7), and the support frame (7) is provided with two vertical guide rods (9), the vertical The guide rod (9) is fixedly connected with the support frame (7), and a support block (10) is arranged between the two vertical guide rods (9), and the two ends of the support block (10) are provided with vertical A guide sleeve (11) adapted to the straight guide rod (9), the top of the support block (10) is provided with a guide rail (12) along the radial direction of the arc-shaped base (1), and the top of the guide rail (12) is provided with There is a support slider (13), which is slidably connected with the guide rail (12), and a horizontal support column is provided on the side of the support slider (13) close to the center of the arc-shaped base (1) (14), the end of the horizontal support column (14) away from the support slider (13) is provided with a strain gauge installation frame (15), and one end of the horizontal support column (14) is fixedly connected with the support slider (13) , the other end is fixedly connected with the strain gauge installation frame (15), the steel bar stress gauge (16) is vertically installed on the said strain gauge installation frame (15), and the support slide block (13) is away from the horizontal support column (14) A first electric push rod (17) is provided horizontally at one end of the guide rail (12), and a first mount (18) is provided at the end of the top of the guide rail (12) away from the center of the arc base (1), and the first electric push rod One end of (17) is connected with the first mounting seat (18), and the other end is connected with the support slide block (13), and the bottom of the support block (10) is vertically provided with a second electric push rod (19), and the The middle part of the bottom of the support frame (7) is provided with a second mounting seat (20) compatible with the second electric push rod (19), and one end of the second electric push rod (19) is connected to the second mounting seat (20). ) connection, and the other end is connected with the support block (10). 2.根据权利要求1所述的一种桩基拖换的多功能应力测试装置,其特征在于:所述弧形底座(1)与底板(5)之间设有加强筋(21)。2. A multi-functional stress testing device for pile foundation towing and changing according to claim 1, characterized in that: a reinforcing rib (21) is provided between the arc-shaped base (1) and the bottom plate (5). 3.根据权利要求1所述的一种桩基拖换的多功能应力测试装置,其特征在于:相邻两个所述弧形底座(1)上位于同一水平面上的两个支撑座(8)之间设有连接杆(22)。3. The multifunctional stress testing device for dragging and changing pile foundations according to claim 1, characterized in that: two supporting bases (8) on the same horizontal plane on two adjacent arc-shaped bases (1) ) between connecting rods (22). 4.根据权利要求1所述的一种桩基拖换的多功能应力测试装置,其特征在于:所述支撑架(7)上设有爬梯。4. A multi-functional stress testing device for towing and changing pile foundations according to claim 1, characterized in that: the support frame (7) is provided with a ladder.
CN201810133758.0A 2018-02-09 2018-02-09 A multifunctional stress testing device for pile foundation underpinning Active CN108252337B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064692A (en) * 2020-10-09 2020-12-11 雷成平 Pile foundation stress testing device
CN114893019A (en) * 2022-06-29 2022-08-12 上海建工四建集团有限公司 Shear wall structure underpinning structure and construction method thereof

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Publication number Priority date Publication date Assignee Title
CN203701158U (en) * 2014-01-20 2014-07-09 青岛润佳建设集团有限公司 Pile foundation vertical bearing capacity detector
CN105353778A (en) * 2015-11-04 2016-02-24 中国北方发动机研究所(天津) Automatic attitude adjusting device used for residual stress test

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203701158U (en) * 2014-01-20 2014-07-09 青岛润佳建设集团有限公司 Pile foundation vertical bearing capacity detector
CN105353778A (en) * 2015-11-04 2016-02-24 中国北方发动机研究所(天津) Automatic attitude adjusting device used for residual stress test

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064692A (en) * 2020-10-09 2020-12-11 雷成平 Pile foundation stress testing device
CN114893019A (en) * 2022-06-29 2022-08-12 上海建工四建集团有限公司 Shear wall structure underpinning structure and construction method thereof
CN114893019B (en) * 2022-06-29 2023-06-27 上海建工四建集团有限公司 Shear wall structure underpinning structure and construction method thereof

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