CN107254890A - A kind of stopping means that rectification is blocked for precast square pile - Google Patents
A kind of stopping means that rectification is blocked for precast square pile Download PDFInfo
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- CN107254890A CN107254890A CN201710534910.1A CN201710534910A CN107254890A CN 107254890 A CN107254890 A CN 107254890A CN 201710534910 A CN201710534910 A CN 201710534910A CN 107254890 A CN107254890 A CN 107254890A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002344 surface layer Substances 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
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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Abstract
本发明涉及建筑物纠偏技术领域。一种用于预制方桩截断纠倾的限位装置，其特征在于，包括用于固定在方桩被截断后的下段上的支撑座和连接在支撑座上的用于套设在方桩被截断后的上段上的四棱柱形限位套，所述四棱柱形限位套包括四根位于四棱柱形限位套的四个角上的角钢和将所述角钢连接在一起的水平连接板。本发明提供了一种用于防止建筑物顶升时产生水平位移的用于预制方桩截断纠倾的限位装置，以解决了建筑物顶升过程容易发生偏斜的问题。
The invention relates to the technical field of building deviation correction. A limit device for prefabricated square pile truncation and rectification, which is characterized in that it includes a support seat for fixing on the lower section of the cut square pile and a support seat connected to the support seat for being sleeved on the square pile. The quadrangular prism-shaped limiting sleeve on the truncated upper section, the quadrangular prism-shaped limiting sleeve includes four angle steels located on the four corners of the quadrangular prism-shaped limiting sleeve and the horizontal connecting plate connecting the angle steels together . The invention provides a limiting device for cutting and rectifying prefabricated square piles used to prevent horizontal displacement when the building is lifted, so as to solve the problem that the building is prone to deflection during the lifting process.
Description
技术领域technical field
本发明涉及建筑物纠偏技术领域，尤其涉及一种用于预制方桩截断纠倾的限位装置。The invention relates to the technical field of building deflection correction, in particular to a limiting device for cutting and rectifying prefabricated square piles.
背景技术Background technique
由于工程桩承载力不足以及工程桩之间承载力的分布差异引起了不均匀沉降，将导致上部建筑倾斜。为恢复建筑物的使用功能，可采用桩身截断进行顶升或者迫降的方式进行纠偏。Due to the insufficient bearing capacity of the engineering piles and the uneven settlement caused by the difference in the bearing capacity distribution among the engineering piles, the superstructure will tilt. In order to restore the use function of the building, the deviation can be corrected by cutting off the pile body for jacking or forced landing.
一方面，由于地质条件和水文条件的不同，部分场地表层（桩头部分区域）往往为淤泥之类的软弱土层，桩顶截断后桩头处于自由状态，顶升过程容易发生偏斜；另一方面，由于千斤顶安装的垂直误差及顶升过程中其它不利因素（如强风、震动）的影响，在顶升过程中可能会出现微小的水平位移。为避免出现此类情况，需设置平面限位装置。On the one hand, due to different geological conditions and hydrological conditions, the surface layer of some sites (part of the pile head) is often soft soil such as silt. After the pile top is cut off, the pile head is in a free state, and the jacking process is prone to deflection; On the one hand, due to the vertical error of the jack installation and other unfavorable factors (such as strong wind, vibration) during the jacking process, a slight horizontal displacement may occur during the jacking process. In order to avoid this kind of situation, it is necessary to set the plane limit device.
发明内容Contents of the invention
本发明提供了一种用于防止建筑物顶升时产生水平位移的用于预制方桩截断纠倾的限位装置，以解决了建筑物顶升过程容易发生偏斜的问题。The invention provides a limiting device for cutting and rectifying prefabricated square piles used to prevent horizontal displacement when the building is lifted, so as to solve the problem that the building is prone to deflection during the lifting process.
以上技术问题是通过下列技术方案解决的：一种用于预制方桩截断纠倾的限位装置，其特征在于，包括用于固定在方桩被截断后的下段上的支撑座和连接在支撑座上的用于套设在方桩被截断后的上段上的四棱柱形限位套，所述四棱柱形限位套包括四根位于四棱柱形限位套的四个角上的角钢和将所述角钢连接在一起的水平连接板。使用时，首先将支撑座安装在方桩的合适的位置，然后以使支撑座连接在方桩截断后的下段上的方式将方桩截断，再在支撑座上搭建套设在方桩被截断后的上段上的四棱锥形限位套，搭建好后四棱锥形限位套的下段使同支撑座固接在一起的（避让通过焊接或螺栓配合螺母来实现固接），最后通过千斤顶搁置在支撑座上进行顶升即可。The above technical problems are solved by the following technical solutions: a limit device for rectifying the inclination of prefabricated square piles, which is characterized in that it includes a support seat for fixing on the lower section of the square pile after it is cut off and a support seat connected to the support The quadrangular prism-shaped limiting sleeve on the seat is used to be sleeved on the upper section of the truncated square pile, and the quadrangular prism-shaped limiting sleeve includes four angle steels and A horizontal connecting plate connecting said angles together. When in use, first install the support base on the appropriate position of the square pile, then cut off the square pile in such a way that the support base is connected to the lower section of the square pile after it has been cut off, and then build a sleeve on the support base before the square pile is cut off. After the quadrangular pyramid-shaped limiting sleeve on the upper section is built, the lower section of the rear quadrangular-pyramid-shaped limiting sleeve is fixed together with the support seat (avoiding the affixation by welding or bolts and nuts), and finally put it on hold by a jack Lifting can be carried out on the support base.
作为优选，所述水平连接板连接在所述角钢的阳角面上。能够使得方柱被截断后的上段的四个角同角铁贴合在一起，从而避免升降过程中上段棱角产生破损（棱角破损后进行修补时较之平面部分破损修补困难）。Preferably, the horizontal connecting plate is connected to the male angle surface of the angle steel. It can make the four corners of the truncated upper section of the square column fit together with the angle iron, so as to avoid damage to the upper corners during the lifting process (it is more difficult to repair the damaged corners than the flat part).
作为优选，本发明还包括若干位于所述四棱柱形限位套外围的竖拉杆，所述竖拉杆的下端穿过所述支撑座后同限位螺母连接在一起、上端同连接在被截断方桩上段上的梁连接在一起。能够避免截断后安装至四棱柱形限位套的时间段内穿设平移。As a preference, the present invention also includes several vertical tie rods located on the periphery of the quadrangular prism-shaped limit sleeve, the lower ends of the vertical tie rods pass through the support base and are connected with the limit nuts, and the upper ends are connected with the truncated side. The beams on the upper section of the pile are connected together. It can avoid wearing translation in the period of time after being cut off and installed on the quadrangular prism-shaped limiting sleeve.
作为另一优选，本发明还包括将四棱柱形限位套同支撑座连接在一起的限位套连接结构，所述限位套连接结构包括圆形下滑轨、可转动连接在圆形下滑轨上的圆形下滑槽、下端同圆形下滑槽连接在一起的竖连接杆、连接在支撑杆上端的圆形上滑槽、可转动连接在圆形上滑槽上的圆形上滑轨和一端连接在圆形上滑轨上的水平连接杆，所述圆形下滑轨同所述支撑座固接在一起，所述水平连接杆的另一端同所述四棱柱形限位套固接在一起，所述限位套连接结构连接有对方桩进行截断的切割机。本技术方案在隔断方桩和顶升方桩的整个过程中四棱柱形限位套都是将方桩限位住的，从而能够有效防止在锯断及顶升的整个过程中产生偏移。As another preference, the present invention also includes a limiting sleeve connection structure that connects the quadrangular prism-shaped limiting sleeve with the support base. The connecting structure of the limiting sleeve includes a circular lower rail, which is rotatably connected The upper circular chute, the vertical connecting rod whose lower end is connected with the circular chute, the circular upper chute connected to the upper end of the support rod, the circular upper slide rail rotatably connected to the circular upper chute and A horizontal connecting rod with one end connected to the circular upper slide rail, the circular lower rail is fixedly connected with the support seat, and the other end of the horizontal connecting rod is fixedly connected with the quadrangular prism-shaped limiting sleeve Together, the connecting structure of the limiting sleeve is connected with a cutting machine for cutting off the pile. In the technical scheme, the quadrangular prism-shaped limiting sleeves limit the square piles during the whole process of cutting off the square piles and jacking up the square piles, so as to effectively prevent deviation during the whole process of sawing off and jacking up the square piles.
作为优选，所述切割机包括水平设置的锯片、驱动锯片转动的电机和同电机连接在一起的电机连接座，所述电机连接座通过竖铰轴同所述圆形上滑槽铰接在一起，所述竖铰轴同所述锯片偏心设置。能够提高作业时的方便性。Preferably, the cutting machine includes a saw blade arranged horizontally, a motor driving the saw blade to rotate, and a motor connection base connected with the motor, and the motor connection base is hinged to the circular upper chute through a vertical hinge shaft. Together, the vertical hinge shaft is set eccentrically with the saw blade. Convenience at the time of work can be improved.
作为优选，所述限位套连接结构由沿水平方向分布的两个半部可拆卸连接在一起围成。便于限位套连接结构进行重复使用。而四棱柱形限位套通常为每次进行搭建的。Preferably, the connecting structure of the limiting sleeve is formed by detachably connecting two halves distributed along the horizontal direction. It is convenient for the connection structure of the limit sleeve to be reused. The quadrangular prism-shaped spacer sleeve is usually built for each time.
作为优选，所述水平连接杆包括同所述圆形上滑轨连接在一起的定段和一端可伸缩地插接在所述定段内的动段，所述动段的另一端同所述四棱柱形限位套连接在一起。当四棱柱形限位套的大小适应方桩大小的变化而变化时，四棱柱形限位套都能够连接在限位套连接结构内，从而使得限位套连接结构适用于不同大小的方桩的防偏移用、也即通用性好。Preferably, the horizontal connecting rod includes a fixed section connected with the circular upper slide rail and a movable section with one end telescopically inserted in the fixed section, and the other end of the movable section is connected to the fixed section. The quadrangular prism spacer sleeves are connected together. When the size of the quadrangular prism-shaped limiting sleeve changes according to the size of the square pile, the quadrangular prism-shaped limiting sleeve can be connected in the connecting structure of the limiting sleeve, so that the connecting structure of the limiting sleeve is suitable for square piles of different sizes It is used for anti-offset, that is, it has good versatility.
作为优选，所述水平连接杆有四根且沿所述圆形上滑轨的周向均匀分布，所述水平连接杆沿所述圆形上滑轨的径向延伸。便于实现四棱柱形限位套和外接圆和限位套连接结构同轴，同轴则便于实现锯片径向尺寸的最小化。Preferably, there are four horizontal connecting rods uniformly distributed along the circumference of the circular upper slide rail, and the horizontal connecting rods extend radially along the circular upper slide rail. It is convenient to realize the coaxial connection structure of the quadrangular prism-shaped limit sleeve and the circumscribed circle and the limit sleeve, and the coaxiality facilitates the minimization of the radial dimension of the saw blade.
本发明具有下述优点：能够有效防止升降过程中产生平移。The invention has the following advantages: it can effectively prevent translation during the lifting process.
附图说明Description of drawings
图1为本发明实施例一的示意图。FIG. 1 is a schematic diagram of Embodiment 1 of the present invention.
图2为图1的B—B剖视示意图。Fig. 2 is a schematic cross-sectional view along line BB of Fig. 1 .
图3为实施例一限位住后进行顶升时的示意图。Fig. 3 is a schematic diagram of embodiment 1 when jacking is carried out after being restrained.
图4为本发明实施例二的示意图。Fig. 4 is a schematic diagram of Embodiment 2 of the present invention.
图中：支撑座1、支撑板11、平置支撑板111、竖置支撑板112、加强板113、螺栓12、固定螺母13、竖拉杆114、同限位螺母115、四棱柱形限位套2、角钢21、水平连接板22、方桩3、承台梁32、千斤顶4、限位套连接结构5、圆形下滑轨51、圆形下滑槽52、竖连接杆53、连接耳531、组装螺栓532、组装螺母533、圆形上滑槽54、圆形上滑轨55、水平连接杆56、定段561、动段562、切割机6、锯片61、电机62、电机连接座63、竖铰轴64、驱动柄65。In the figure: support seat 1, support plate 11, horizontal support plate 111, vertical support plate 112, reinforcement plate 113, bolt 12, fixing nut 13, vertical tie rod 114, same limit nut 115, square prism limit sleeve 2. Angle steel 21, horizontal connecting plate 22, square pile 3, cap beam 32, jack 4, limit sleeve connection structure 5, circular sliding rail 51, circular sliding groove 52, vertical connecting rod 53, connecting ear 531, Assembly bolt 532, assembly nut 533, circular upper chute 54, circular upper slide rail 55, horizontal connecting rod 56, fixed section 561, moving section 562, cutting machine 6, saw blade 61, motor 62, motor connection seat 63 , Vertical hinge shaft 64, driving handle 65.
具体实施方式detailed description
下面结合附图与实施例对本发明作进一步的说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
实施例一，参见图1，一种用于预制方桩截断纠倾的限位装置，包括支撑座1和四棱柱形限位套2。支撑座1包括两块支撑板11和若干根螺栓12。支撑板11包括平置支撑板111、竖置支撑板112和加强板113。平置支撑板111和竖置支撑板112垂直连接在一起。加强板113为直角三角形。加强板113的一条直角边同平置支撑板连接在一起具体为焊接、另一条直角边同竖置支撑板连接在一起具体为焊接。螺栓12的两端一一对应地穿过两块支撑板的竖置支撑板后同固定螺母13螺纹连接在一起而使得支撑板夹持固定在方桩上。Embodiment 1, referring to FIG. 1 , a position-limiting device for truncating and rectifying prefabricated square piles, including a support seat 1 and a quadrangular prism-shaped position-limiting sleeve 2 . The support base 1 includes two support plates 11 and several bolts 12 . The support board 11 includes a horizontal support board 111 , a vertical support board 112 and a reinforcement board 113 . The horizontal support plate 111 and the vertical support plate 112 are vertically connected together. The reinforcing plate 113 is a right triangle. One right-angled side of the reinforcing plate 113 is connected with the horizontal support plate by welding, and the other right-angled side is connected with the vertical support plate by welding. The two ends of the bolt 12 pass through the vertical support plates of the two support plates one by one and are screwed together with the fixing nut 13 so that the support plates are clamped and fixed on the square piles.
四棱柱形限位套2包括四根位于四棱柱形限位套的四个角上的角钢21和将所述角钢连接在一起的水平连接板22。四根角钢21成矩形方便且通过水平连接板22依次连接在一起。四棱柱形限位套2的下端同支撑座1连接在一起、具体为焊接。The quadrangular prism limiting sleeve 2 includes four angle steels 21 located on the four corners of the quadrangular prism limiting sleeve and a horizontal connecting plate 22 connecting the angle steels together. The four angle steels 21 are conveniently formed into a rectangle and are sequentially connected together through the horizontal connecting plate 22 . The lower end of the quadrangular prism-shaped spacer sleeve 2 is connected with the support seat 1, specifically by welding.
参见图2，水平连接板22连接在角钢21的阳角面上。Referring to FIG. 2 , the horizontal connecting plate 22 is connected to the male angle surface of the angle steel 21 .
参见图3并结合图2和图1，平置支撑板111上还连接有竖拉杆114。竖拉杆114的下端穿过平置支撑板111后同限位螺母115螺纹连接在一起。Referring to FIG. 3 in combination with FIG. 2 and FIG. 1 , a vertical tie rod 114 is also connected to the flat support plate 111 . The lower end of the vertical tie rod 114 passes through the flat support plate 111 and is screwed together with the stop nut 115 .
通过本发明进行顶升的方法为：螺栓12的两端一一对应地穿过两块支撑板的竖置支撑板后同固定螺母13螺纹连接在一起而使得支撑板夹持固定在方桩上，螺栓不穿在方桩内。将竖拉杆114的上端固定到连接在方桩3上的承台梁32上。然后锁紧限位螺母115。将一对千斤顶4一一对应地搁在两个支撑板的平置支撑板111上且顶紧在承台梁32的下方。将方桩3截断。方桩截断后支撑座1固定在方桩截断后的下段上。将四根角钢21扣在方桩截断后的上段的四个角上后将角钢21的下段同支撑座1焊接在一起而实现固定。再将相邻的角钢通过水平连接板22连接在一起，水平连接板22同角钢之间为焊接固定且构成四棱柱形限位套2。松开限位螺母后通过千斤顶顶升承台梁32而上升需要的高度即可。The jacking method of the present invention is as follows: the two ends of the bolt 12 pass through the vertical support plates of the two support plates one by one, and then are screwed together with the fixing nut 13 so that the support plates are clamped and fixed on the square pile , the bolts are not worn in the square pile. The upper end of the vertical tie rod 114 is fixed on the platform beam 32 connected on the square pile 3 . Then lock the limit nut 115. A pair of jacks 4 are placed on the flat support plates 111 of the two support plates in one-to-one correspondence and pressed against the bottom of the platform beam 32 . Cut square pile 3. After the square pile is cut off, the supporting seat 1 is fixed on the lower section after the square pile is cut off. After four angle steels 21 are fastened on the four angles of the upper section after the square pile is cut off, the lower section of the angle steel 21 is welded together with the support seat 1 to realize fixing. Then the adjacent angle steels are connected together through the horizontal connecting plate 22 , and the horizontal connecting plate 22 and the angle steels are welded and fixed to form a quadrangular prism-shaped limiting sleeve 2 . Lift the platform beam 32 by the jack after unclamping the stop nut and get final product of rising required height.
实施例二，同实施例一的不同之处为:Embodiment two, the difference with embodiment one is:
参见图4，还包括限位套连接结构5。将四棱柱形限位套同支撑座1通过限位套连接结构5同支撑座1（支撑座仅画出了支撑板41）连接在一起。具体为：限位套连接结构5包括圆形下滑轨51、可转动连接在圆形下滑轨上的圆形下滑槽52、下端同圆形下滑槽连接在一起的竖连接杆53、连接在支撑杆上端的圆形上滑槽54、可转动连接在圆形上滑槽上的圆形上滑轨55和一端连接在圆形上滑轨上的水平连接杆56。圆形下滑轨51同支撑座1固接在一起、具体为焊接在平置支撑板111上。圆形下滑轨51、圆形下滑槽52、圆形上滑槽54和圆形上滑轨55同轴。限位套连接结构5由沿水平方向分布的两个半部围成、也即圆形下滑轨51、圆形下滑槽52、圆形上滑槽54和圆形上滑轨55都由两个半圆对接在一起围成一个圆，具体连接在方式为通过在位于两个半部上的竖连接杆53上都设置连接耳531、然后通过组装螺栓532同时穿过两个半部上的连接耳后同组装螺母533连接在一起从而实现两个半部的连接。水平连接杆56有四根且沿圆形上滑轨55的周向均匀分布。水平连接杆56沿圆形上滑轨55的径向延伸。水平连接杆56包括定段561和动段562。定段561的一端同圆形上滑轨55焊接在一起、另一端可伸缩地套设在动段562的一端上。动段562的另一端同水平连接板22焊接在一起。限位套连接结构5连接有切割机6。切割机6包括水平设置的锯片61（也即锯片的转轴为沿上下方向延伸的）、驱动锯片转动的电机62和同电机连接在一起的电机连接座63。电机连接座63通过竖铰轴64同圆形上滑槽54铰接在一起。竖铰轴64的上端转动连接圆形上滑槽54上、下端转动连接在圆形下滑槽52上。竖铰轴64同锯片61偏心设置。电机62上连接有驱动柄65。Referring to FIG. 4 , a spacer sleeve connection structure 5 is also included. Connect the quadrangular prism-shaped spacer sleeve with the support base 1 through the spacer sleeve connection structure 5 with the support base 1 (only the support plate 41 is shown in the support base). Specifically: the limit sleeve connection structure 5 includes a circular sliding rail 51, a circular sliding groove 52 that is rotatably connected on the circular sliding rail, a vertical connecting rod 53 whose lower end is connected together with the circular sliding groove, connected to the support The circular upper slide groove 54 on the bar upper end, the circular upper slide rail 55 that is rotatably connected on the circular upper slide groove and the horizontal connecting rod 56 that one end is connected on the circular upper slide rail. The circular lower rail 51 is fixedly connected with the support base 1 , specifically welded on the flat support plate 111 . The circular lower rail 51, the circular lower groove 52, the circular upper slide groove 54 and the circular upper slide rail 55 are coaxial. The limit sleeve connection structure 5 is surrounded by two halves distributed along the horizontal direction, that is, the circular lower rail 51, the circular lower groove 52, the circular upper slide groove 54 and the circular upper slide rail 55 are all composed of two The semicircles are butted together to form a circle, and the specific connection method is to set the connecting ears 531 on the vertical connecting rods 53 on the two halves, and then pass the connecting ears on the two halves simultaneously through the assembly bolts 532 Afterwards, it is connected with the assembly nut 533 so as to realize the connection of the two halves. There are four horizontal connecting rods 56 and are evenly distributed along the circumference of the circular upper slide rail 55 . The horizontal connecting rod 56 extends radially along the circular upper slide rail 55 . The horizontal connecting rod 56 includes a fixed section 561 and a moving section 562 . One end of the fixed section 561 is welded together with the circular upper slide rail 55 , and the other end is telescopically sleeved on one end of the moving section 562 . The other end of the moving section 562 is welded together with the horizontal connecting plate 22. The limiting sleeve connecting structure 5 is connected with a cutting machine 6 . The cutting machine 6 includes a saw blade 61 arranged horizontally (that is, the rotating shaft of the saw blade extends in the up-down direction), a motor 62 for driving the saw blade to rotate, and a motor connection base 63 connected with the motor. The motor connection base 63 is hinged together with the circular upper chute 54 through a vertical hinge shaft 64 . The upper end of the vertical hinge shaft 64 is rotatably connected to the circular upper chute 54 , and the lower end is rotatably connected to the circular chute 52 . The vertical hinge shaft 64 is eccentrically arranged with the saw blade 61 . A drive handle 65 is connected to the motor 62 .
本实施例中进行截断和顶升的过程为：同实施例一一样将支撑座1的支撑板11固定在方桩上，将限位套连接结构5的两个半部分开后在合拢而围绕到方桩上且使圆形下滑轨51搁置到平置支撑板111上。将四根角钢21扣在方桩截断后的上段的四个角上后通过水平连接板22连接在一起。调整水平连接杆56的长度到相对设置的两根的长度相等且同水平连接板22抵接在一起，然后将动段562同水平连接板22焊接固定在一起、从而实现四棱柱形限位套2同圆形上滑轨55的连接。再将圆形下滑轨51同平置支撑板111焊接在、从而使限位套连接结构5同支撑座1的连接。起动电机62并使电机以竖铰轴64为轴转动而使得锯片朝向方桩靠拢实现对方桩切割，同时驱动圆形下滑槽52和圆形上滑槽54二者及二者之间的部件在圆形下滑轨51和圆形上滑轨上转动，使得切割机6围绕方桩转动，从而使得锯片的大小不足以从一个方向割断方桩的情况下实现将方桩割断。最后对方桩进行顶升。使用完成后将限位套连接结构5同支撑座和四棱柱形限位套脱开并取下以供下次使用。The process of truncation and jacking in this embodiment is as follows: as in the first embodiment, the support plate 11 of the support base 1 is fixed on the square pile, and the two halves of the spacer sleeve connection structure 5 are separated and then closed. Wrap around to the square pile and rest the circular glide rail 51 on the flat support plate 111 . The four angle steels 21 are buckled on the four corners of the upper section after the square pile is cut off, and then connected together through the horizontal connecting plate 22 . Adjust the length of the horizontal connecting rod 56 until the lengths of the two opposite ones are equal and abut against the horizontal connecting plate 22, and then the moving section 562 is welded and fixed together with the horizontal connecting plate 22, thereby realizing a quadrangular prism-shaped limiting sleeve 2 are connected with the circular upper slide rail 55. Then the circular lower rail 51 is welded with the flat support plate 111, so that the spacer sleeve connection structure 5 is connected with the support seat 1. Start the motor 62 and make the motor rotate with the vertical hinge shaft 64 so that the saw blade moves closer to the square pile to realize the cutting of the opposite pile, and simultaneously drive the circular lower chute 52 and the circular upper chute 54 and the parts between the two Rotating on the circular lower rail 51 and the circular upper slide rail, the cutting machine 6 rotates around the square pile, so that the square pile is cut off when the size of the saw blade is not enough to cut the square pile from one direction. Finally, the other pile is jacked up. After use, the spacer sleeve connecting structure 5 is disengaged from the support seat and the quadrangular prism-shaped spacer sleeve and removed for next use.
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