WO2018000408A1 - 一种桩顶顶推定位装置 - Google Patents

一种桩顶顶推定位装置 Download PDF

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Publication number
WO2018000408A1
WO2018000408A1 PCT/CN2016/088087 CN2016088087W WO2018000408A1 WO 2018000408 A1 WO2018000408 A1 WO 2018000408A1 CN 2016088087 W CN2016088087 W CN 2016088087W WO 2018000408 A1 WO2018000408 A1 WO 2018000408A1
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WO
WIPO (PCT)
Prior art keywords
locking
positioning
plate
pile top
pile
Prior art date
Application number
PCT/CN2016/088087
Other languages
English (en)
French (fr)
Inventor
张鸿
谢道平
汪文霞
郭强
薛志武
封有德
茅兵海
冯先导
张晓平
侯晓勤
刘益平
张梦元
李曾曾
Original Assignee
中交武汉港湾工程设计研究院有限公司
中交第二航务工程局有限公司
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Application filed by 中交武汉港湾工程设计研究院有限公司, 中交第二航务工程局有限公司 filed Critical 中交武汉港湾工程设计研究院有限公司
Priority to PCT/CN2016/088087 priority Critical patent/WO2018000408A1/zh
Publication of WO2018000408A1 publication Critical patent/WO2018000408A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction

Definitions

  • the invention relates to the technical field of pile foundation construction equipment, in particular to a pile top pushing positioning device.
  • the construction of the pile foundation in the water is conventionally carried out by using a self-lifting platform or a fixed working platform as a foundation for the application of the engineering pile.
  • the self-elevating platform can adapt to piling operations in different water depths and wave environments, but it is expensive and requires professional operation. It is greatly affected by the wave period when shifting, and it takes a long time to move and position, and is affected by the sea environment.
  • the positioning accuracy is not high every time the position is changed, and the work efficiency is relatively low; when the engineering pile is applied based on the fixed platform, the positioning accuracy is high, and it is very convenient to perform position conversion within the platform range, but the large-area fixed platform
  • the erection cost is high, the scope of application is narrow, and only the piling work within the platform can be carried out, and the environmental adaptability is poor.
  • it is only used in the inland river and lake environment, and it is impossible to set up a platform in a harsh environment such as the open sea. It also has a greater impact on the environment.
  • the object of the present invention is to solve the deficiencies of the above background art, and provide a pile top pushing and positioning device, which clamps and moves the construction platform by the device to realize the movement construction of the platform within a certain range.
  • the pile top pushing positioning device designed by the invention comprises a pile top positioning seat, and the bottom part of the pile top positioning seat is provided with a positioning groove matched with the top of the engineering pile; the pile top positioning seat is above A support frame is arranged, and a lifting adjustment device is connected between the support frame and the pile top positioning seat; a three-way jack and a locking device fixedly coupled with the bottom plate of the load-bearing platform are fixed on the top plate of the support frame.
  • the lifting and adjusting device comprises a threaded sleeve disposed on the top of the pile top positioning seat, the threaded sleeve is internally threaded with an inner and outer threaded sleeve, and the inner and outer threaded sleeve is internally threaded with a screw, the screw top Set in the support frame.
  • a positioning hole is uniformly formed in a top circumferential direction of the pile top positioning seat, and the threaded sleeve is fixed in the positioning hole.
  • a locking device is symmetrically disposed on both sides of the top plate of the support frame.
  • the locking device includes a locking bracket, and a locking adjusting plate is fixedly coupled to the top of the locking bracket, and the locking adjusting plate is provided with a longitudinal threaded hole, and the longitudinal threaded hole is fitted with a pressing Locking bolts for the bottom plate of the load-bearing platform.
  • the locking bracket comprises two opposite rocker plates, the upper part of the two rocker plates is provided with a connecting shaft, the connecting shaft passes through the locking seat, and the top of the locking seat is fixed a locking fixing plate is provided, a locking support plate is arranged at a rear portion of the locking fixing plate; a rear portion of the locking adjusting plate is supported on the locking supporting plate, and two sides of the bottom surface of the bottom surface of the locking adjusting plate
  • Each of the two sides of the rear side of the locking and fixing plate is respectively provided with a longitudinal adjusting bolt, the longitudinal adjusting bolt is disposed in the supporting sleeve, and the top of the longitudinal adjusting bolt passes through the locking
  • the adjusting plate is connected with a lock nut, and the locking bolt is disposed on two sides of the front part of the locking adjustment plate.
  • the locking adjustment plate has long holes on both sides thereof, and the top of the adjusting bolt passes through the long hole connection lock nut, and the inner diameter of the support sleeve is larger than the diameter of the longitudinal adjustment bolt.
  • a reinforcing plate is fixedly connected between the two sides of the rear portion of the locking fixing plate and the locking seat.
  • a center of the top of the screw is provided with a through hole, and a screw positioning plate is respectively disposed on the front and rear sides of the through hole, and a positioning pin is connected between the two screw positioning plates and the through hole of the screw.
  • the screw positioning plate is fixed in the support frame.
  • top of the lifting and lowering device is further fixed with a ball joint nut, wherein the ball joint nut is fitted with a ball joint bolt, and the ball joint bolt is connected with a ball joint at the top, and the ball joint and the bottom of the support frame Fit and compact.
  • the utility model has the beneficial effects that: the pile top pushing positioning device is matched with the pile top by the pile top positioning seat, the height of the support frame is adjusted by the lifting adjustment device, and the bearing platform is locked by the locking device, when the bearing platform needs to move
  • the platform can be displaced by the three-way jack, and the operation is convenient, the structure is simple, and the stability is high.
  • the platform's mobility is realized, and the platform's mobile performance is utilized to meet the construction requirements of engineering piles in a wide range, which greatly improves the construction efficiency, reduces the labor labor, and has good practicability and market application value.
  • FIG. 1 is a schematic structural view of a pile top pushing and positioning device installed on an engineering pile top supporting load bearing platform according to the present invention
  • FIG. 2 is a schematic structural view showing the positioning of the pile top pushing positioning device and the load bearing platform bottom plate according to the present invention
  • Figure 3 is a front elevational view of the pile top pushing and positioning device of the present invention.
  • FIG. 4 is a schematic structural view of a screw disposed in a support frame according to the present invention.
  • Figure 5 is a side view of the three-way jack of the present invention.
  • Figure 6 is a side view of the rocker arm of the present invention.
  • Figure 7 is a plan view of the three-way jack of the present invention.
  • Figure 8 is a plan view of the pile top positioning seat of the present invention.
  • 101 prile top positioning seat
  • 101.1 threaded sleeve positioning hole
  • 101.2 ball joint bolt positioning hole
  • 102 Engineering pile
  • 103 positioning groove
  • 104 support frame
  • 105 lifting adjustment device
  • 105.1 threaded sleeve
  • 105.2 inner and outer threaded casing
  • 105.3 screw
  • 106 three-way jack
  • 106.1 main roof
  • 106.2 longitudinal Shift cylinder
  • 106.3 traverse cylinder
  • 107 load bearing platform
  • 108 locking device
  • 108.1 locking adjustment plate
  • 108.2 locking seat
  • 108.3 locking fixing plate
  • 108.4 locking support plate
  • 108.5 support Sleeve
  • 108.6 longitudinal adjustment bolt
  • 108.8 locking bolt
  • 108.9 reinforcing plate
  • 109 rubber ring
  • 110 positioning through hole
  • 112 screw positioning through hole
  • 112 screw positioning through hole
  • 112
  • the pile top pushing and positioning device shown in FIG. 1-8 includes a pile top positioning seat 101.
  • the bottom part of the pile top positioning seat 101 has a positioning groove 103 matched with the pile top of the engineering pile 102; the pile top positioning seat 101 is provided above
  • the support frame 104, the support frame 104 and the pile top positioning seat 101 are connected with a lifting adjustment device 105; the top plate of the support frame 104 is fixed with a three-way jack 106 and a locking device 108 fixedly coupled with the bottom plate of the load-bearing platform 107.
  • the pile top positioning seat 101 is designed according to the shape of the top of the engineering pile 102, and is coordinated with the engineering pile 102, and the lifting adjustment device 105 is adjusted to adjust the height of the support frame 104.
  • the locking device 108 is locked to lock the platform.
  • the locking device 108 is released, and the platform is pushed and moved by the three-way jack 106.
  • a rubber ring 109 is fixed to the circumferential groove wall of the positioning groove 103 of the pile top positioning base 101.
  • the structural stability of the pile top positioning seat 101 and the pile top of the engineering pile 102 is improved.
  • the lifting adjustment device 105 includes a threaded sleeve 105.1 disposed on the top of the pile top positioning seat 101.
  • the threaded sleeve 105.1 is internally threaded with an inner and outer threaded sleeve 105.2, and the inner and outer threaded sleeve 105.2 is internally threaded with a screw 105.3.
  • the top of the screw 105.3 is disposed in the support frame 104.
  • the inner and outer threaded sleeves 105.2 are rotated to move the screw 105.3 up and down to adjust the height of the support frame 104.
  • a center of the top of the screw 105.3 is provided with a positioning through hole 110, and a front and rear sides of the positioning through hole 110 are respectively provided with a screw positioning plate 111, and the two screw positioning plates 111 and A positioning pin 112 is connected between the positioning through holes 110 of the screw 105.3, and the screw positioning plate 111 is fixed in the support frame 104.
  • the top of the lifting and lowering device 105 is further fixed with a ball joint nut 115 , and the ball joint nut 115 is fitted with a ball joint bolt 116 , and a ball joint 117 is connected to the top of the ball joint bolt 116 .
  • the ball joint 117 is pressed against the bottom of the support frame 104. Through the structure of the ball hinge 117, the level of the support base 104 is ensured to ensure the stability of the jacking.
  • the top end of the pile top positioning seat 101 is evenly spaced apart by a threaded sleeve positioning hole 101.1 and a ball joint bolt positioning hole 101.2.
  • the threaded sleeve 105.1 is fixed in the threaded sleeve positioning hole 101.1, and the ball joint bolt 116 is disposed in the ball joint bolt positioning hole 101.2.
  • a locking device 108 is symmetrically fixed to both sides of the top plate of the support frame 104.
  • the locking device 108 is symmetrically arranged on both sides of the top plate of the support frame 104, and has good locking effect and high structural stability.
  • the locking device 108 includes a locking bracket.
  • the top of the locking bracket is fixedly coupled with a locking adjusting plate 108.1.
  • the locking adjusting plate 108.1 is provided with a longitudinal threaded hole, and the longitudinal threaded hole is fitted with a pressing bearing platform. 107 bottom plate locking bolt 108.8.
  • the locking bracket includes two opposite rocker plates 113.
  • the upper portions of the two rocker plates 113 are provided with a connecting short shaft 114, and the connecting short shaft 114 is disposed at In the locking seat 108.2, the top of the locking seat 108.2 is provided with a locking fixing plate 108.3, and the rear part of the locking fixing plate 108.3 is provided with a locking supporting plate 108.4; the rear part of the locking adjusting plate 108.1 Supported on the locking support plate 108.4, a supporting sleeve 108.5 is respectively disposed on two sides of the bottom surface of the bottom surface of the locking adjusting plate 108.1, and a longitudinal adjusting bolt 108.6 is respectively disposed on two sides of the rear portion of the locking fixing plate 108.3.
  • the longitudinal adjusting bolt 108.6 is disposed in the supporting sleeve 108.5.
  • the top of the longitudinal adjusting bolt 108.6 is connected with the lock nut 108.7 through the locking adjusting plate 108.1.
  • the locking bolt 108.8 is disposed on the locking adjusting plate 108.1.
  • the front sides are both sides.
  • the two sides of the locking adjustment plate 108.1 are provided with long holes, and the top of the locking bolt 108.8 passes through the long hole connection lock nut 108.7, and the inner diameter of the support sleeve 108.5 is larger than the longitudinal adjustment.
  • the diameter of the bolt 108.6 Since the inner diameter of the supporting sleeve 108.5 is larger than the diameter of the longitudinal adjusting bolt 108.6, after the locking bolt 108.8 is loosened, the position of the locking adjusting plate 108.1 is directly adjusted, thereby avoiding the locking adjusting plate 108.1 or the locking bolt 108.8 and the bearing platform.
  • the bottom plate of 107 produces interference.
  • the reinforcing plate 108.9 is fixedly connected between the two sides of the rear portion of the locking fixing plate 108.3 and the locking seat 108.2.
  • the structural strength of the locking fixing plate 108.3 is further strengthened to ensure the locking effect on the bottom plate of the bearing platform 107.
  • the jacking process of the pile top pushing positioning device designed by the invention is: the installation of the pile top pushing positioning device is completed on the engineering pile 102, and the top surface elevation of the support frame 104 is adjusted by the lifting adjustment device 105.
  • the locking device 108 is released; during operation, the main top 106.1 of the three-way jack 106 is lifted upward, the load bearing platform 107 is lifted away from the locking device 108, and the vertical moving cylinder 106.2 pushes the bearing platform 107 forward for one stroke.
  • the main roof 106.1 is lowered, the load bearing platform 107 is lowered back onto the locking device 108, and the longitudinal cylinder 106.2 is returned to the oil.
  • This cycle reciprocates to move the load bearing platform 107.
  • the traverse cylinder 106.3 pushes the load bearing platform 107 laterally Correction.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

一种桩顶顶推定位装置，包括桩顶定位座（101），桩顶定位座（101）底部开有与工程桩（102）桩顶配合的定位槽（103），桩顶定位座（101）上方设有支撑架（104），支撑架（104）与桩顶定位座（101）之间连接有升降调节装置（105），支撑架（104）的顶板上固定有三向千斤顶（106）和与承重平台（107）底板配合固定的锁紧装置（108）。

Description

一种桩顶顶推定位装置 技术领域
本发明涉及桩基施工设备技术领域，具体地指一种桩顶顶推定位装置。
背景技术
水上桩基施工常规采用自升式平台或者搭设的固定作业平台作为基础进行工程桩的施打。自升式平台作为专用设备，可以适应不同水深和波浪环境下的打桩作业，但是造价高昂，需要专业人员进行操作，且移位时受波浪周期影响大，移动和定位耗时长，受海况环境影响大，每次位置转换时定位精度不高，工效相对较低；以固定平台作为基础进行工程桩施打时，定位精度高，在平台范围内进行位置转换时非常方便，但是大面积的固定平台搭设成本高，适用范围窄，仅能进行平台范围内的打桩作业，且环境适应性差，一般仅用于内河和湖泊环境，无法在外海等恶劣环境搭设平台。对环境也有较大影响。
发明内容
本发明的目的就是要解决上述背景技术的不足，提供一种桩顶顶推定位装置，通过本装置对施工平台进行夹紧和移动，实现平台在一定范围内的移动施工。
为实现此目的，本发明所设计的桩顶顶推定位装置，它包括桩顶定位座，所述桩顶定位座底部开有与工程桩桩顶配合的定位槽；所述桩顶定位座上方设有支撑架，所述支撑架与桩顶定位座之间连接有升降调节装置；所述支撑架的顶板上固定有三向千斤顶和与承重平台底板配合固定的锁紧装置。
进一步的，所述升降调节装置包括设置于桩顶定位座顶部的螺纹套筒，所述螺纹套筒内螺纹连接有内外螺纹套管，所述内外螺纹套管内螺纹连接有螺杆，所述螺杆顶部设置于支撑架内。
进一步的，所述桩顶定位座的顶部周向上均匀开有定位孔，所述螺纹套筒固定于定位孔内。
进一步的，所述支撑架的顶板两侧对称设置有一个锁紧装置。
进一步的，所述锁紧装置包括锁紧支架，所述锁紧支架顶部配合固定有锁紧调节板，所述锁紧调节板上开有纵向螺纹孔，所述纵向螺纹孔内配合有压紧承重平台底板的锁紧螺栓。
进一步的，所述锁紧支架包括两块正对的摇臂板，所述两块摇臂板的上部设有连接轴，所述连接轴穿过锁紧座，所述锁紧座的顶部固定有锁紧固定板，所述锁紧固定板的后部设置有锁紧支撑板；所述锁紧调节板的后部支撑在锁紧支撑板上，所述锁紧调节板底面的中部两侧分别设置有一个支撑套筒，所述锁紧固定板的后部两侧分别设置有一个纵向调节螺栓，所述纵向调节螺栓设置于支撑套筒内，所述纵向调节螺栓的顶部穿过锁紧调节板连接有锁紧螺母，所述锁紧螺栓设置于锁紧调节板的前部两侧。
进一步的，所述锁紧调节板的两侧开有长孔，所述调节螺栓的顶部穿过于长孔连接锁紧螺母，所述支撑套筒的内径大于纵向调节螺栓的直径。
进一步的，所述锁紧固定板的后部两侧与锁紧座之间固定连接有加强板。
进一步的，所述螺杆的顶部中央开有通孔，所述通孔的前后两侧分别设有一块螺杆定位板，所述两块螺杆定位板与螺杆的通孔之间连接有定位销轴，所述螺杆定位板固定于支撑架内。
更进一步的，所述升降调节装置的顶部还固定有球铰螺母，所述球铰螺母中配合有球铰螺栓，所述球铰螺栓顶部连接有球铰，所述球铰与支撑架的底部贴合压紧。
本发明的有益效果是：桩顶顶推定位装置通过桩顶定位座与桩顶配合定位，通过升降调节装置调节支撑架的高度，通过锁紧装置将承重平台锁紧，当承重平台需要移动时，通过三向千斤顶将平台顶出移位即可，操作方便，结构简单，稳定性高。实现了平台的可移动性，同时利用了平台的移动性能满足大范围内的工程桩的施工要求，大大提高了施工效率，减少了人工的劳动量，具有很好的实用性和市场应用价值。
附图说明
图1为本发明中桩顶顶推定位装置安装于工程桩顶支撑承重平台的结构示意图；
图2为本发明中桩顶顶推定位装置与承重平台底板配合定位的结构示意图；
图3为本发明中桩顶顶推定位装置的主视图；
图4为本发明中螺杆设置于支撑架内的结构示意图；
图5为本发明中三向千斤顶的侧视图；
图6为本发明中摇臂的侧视图；
图7为本发明中三向千斤顶的俯视图；
图8为本发明中桩顶定位座的俯视图；
其中，101—桩顶定位座，101.1—螺纹套筒定位孔，101.2—球铰螺栓定位孔，102— 工程桩，103—定位槽，104—支撑架，105—升降调节装置，105.1—螺纹套筒，105.2—内外螺纹套管，105.3—螺杆，106—三向千斤顶，106.1—主顶，106.2—纵移油缸，106.3—横移油缸，107—承重平台，108—锁紧装置，108.1—锁紧调节板，108.2—锁紧座，108.3—锁紧固定板，108.4—锁紧支撑板，108.5—支撑套筒，108.6—纵向调节螺栓，108.7—锁紧螺母，108.8—锁紧螺栓，108.9—加强板，109—橡胶圈，110—定位通孔，111—螺杆定位板，112—定位销轴，113—摇臂板，114—连接短轴，115—球铰螺母，116—球铰螺栓，117—球铰。
具体实施方式
下面结合附图和具体实施例对本发明作进一步的详细说明。
如图1—8所示的桩顶顶推定位装置，包括桩顶定位座101，桩顶定位座101底部开有与工程桩102桩顶配合的定位槽103；桩顶定位座101上方设有支撑架104，支撑架104与桩顶定位座101之间连接有升降调节装置105；支撑架104的顶板上固定有三向千斤顶106和与承重平台107底板配合固定的锁紧装置108。桩顶定位座101根据工程桩102顶部的形状进行设计，与工程桩102配合定位，调节升降调节装置105调节支撑架104的高度，当平台处于施工位置处时，操作锁紧装置108锁紧平台，当平台需要移动时，松开锁紧装置108，通过三向千斤顶106对平台进行顶推和移动。
如图2、图4所示，桩顶定位座101的定位槽103的周向槽壁上固定有橡胶圈109。提高桩顶定位座101与工程桩102桩顶配合定位的结构稳定性。
如图3所示，升降调节装置105包括设置于桩顶定位座101顶部的螺纹套筒105.1，螺纹套筒105.1内螺纹连接有内外螺纹套管105.2，内外螺纹套管105.2内螺纹连接有螺杆105.3，螺杆105.3顶部设置于支撑架104内。旋转内外螺纹套管105.2，使螺杆105.3上下移动，从而调整支撑架104的高度。
如图3—4所示，所述螺杆105.3的顶部中央开有定位通孔110，所述定位通孔110的前后两侧分别设有一块螺杆定位板111，所述两块螺杆定位板111与螺杆105.3的定位通孔110之间连接有定位销轴112，所述螺杆定位板111固定于支撑架104内。螺杆105.3与支撑架104之间存在小的活动空间，可使螺杆105.3在承受支撑架104重量时进行自我补偿，进一步提高结构稳定性。
如图3和图6所示，升降调节装置105的顶部还固定有球铰螺母115，所述球铰螺母115中配合有球铰螺栓116，所述球铰螺栓116顶部连接有球铰117，所述球铰117与支撑架104的底部贴合压紧。通过球铰117的结构，保证支撑座104水平，确保顶升稳定。
如图8所示，桩顶定位座101的顶部周向上均匀间隔开有螺纹套筒定位孔101.1和球铰螺栓定位孔101.2，螺纹套筒105.1固定于螺纹套筒定位孔101.1内，球铰螺栓116设置于球铰螺栓定位孔101.2内。
如图3所示，支撑架104的顶板两侧对称固定有一个锁紧装置108。锁紧装置108对称布置在支撑架104顶板两侧，锁紧效果好，结构稳定性高。
如图3所示，锁紧装置108包括锁紧支架，锁紧支架顶部配合固定有锁紧调节板108.1，锁紧调节板108.1上开有纵向螺纹孔，纵向螺纹孔内配合有压紧承重平台107底板的锁紧螺栓108.8。
如图3和图6所示，所述锁紧支架包括两块正对的摇臂板113，所述两块摇臂板113的上部设有连接短轴114，所述连接短轴114设置于锁紧座108.2内，所述锁紧座108.2的顶部设有锁紧固定板108.3，所述锁紧固定板108.3的后部设置有锁紧支撑板108.4；所述锁紧调节板108.1的后部支撑在锁紧支撑板108.4上，所述锁紧调节板108.1底面的中部两侧分别设置有一个支撑套筒108.5，所述锁紧固定板108.3的后部两侧分别设置有一个纵向调节螺栓108.6，所述纵向调节螺栓108.6设置于支撑套筒108.5内，所述纵向调节螺栓108.6的顶部穿过锁紧调节板108.1连接有锁紧螺母108.7，所述锁紧螺栓108.8设置于锁紧调节板108.1的前部两侧。
如图3所示，所述锁紧调节板108.1的两侧开有长孔，所述锁紧螺栓108.8的顶部穿过于长孔连接锁紧螺母108.7，所述支撑套筒108.5的内径大于纵向调节螺栓108.6的直径。由于支撑套筒108.5内径大于纵向调节螺栓108.6的直径，因此将锁紧螺栓108.8松开后，直接调整锁紧调节板108.1的位置，即可避免锁紧调节板108.1或锁紧螺栓108.8与承重平台107的底板产生干涉。
上述技术方案中，锁紧固定板108.3的后部两侧与锁紧座108.2之间固定连接有加强板108.9。进一步加强锁紧固定板108.3的结构强度，保证对承重平台107底板的锁紧效果。
本发明所设计的桩顶顶推定位装置的顶推过程是：在工程桩102上完成桩顶顶推定位装置的安装，并用升降调节装置105调整好支撑架104的顶面标高。工作前，松开锁紧装置108；工作时，三向千斤顶106的主顶106.1向上顶升，将承重平台107顶离锁紧装置108，纵移油缸106.2推动承重平台107向前移动一个行程。当一个行程结束后，主顶106.1下降，承重平台107回落到锁紧装置108上，纵移油缸106.2回油。如此循环往复使承重平台107移动。当承重平台107的移动发生偏移时横移油缸106.3推动承重平台107横向 纠偏。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的结构做任何形式上的限制。凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明的技术方案的范围内。

Claims (9)

  1. 一种桩顶顶推定位装置，其特征在于：它包括桩顶定位座(101)，所述桩顶定位座(101)底部开有与工程桩(102)桩顶配合的定位槽(103)；所述桩顶定位座(101)上方设有支撑架(104)，所述支撑架(104)与桩顶定位座(101)之间连接有升降调节装置(105)；所述支撑架(104)的顶板上固定有三向千斤顶(106)和与承重平台(107)底板配合固定的锁紧装置(108)。
  2. 根据权利要求1所述的一种桩顶顶推定位装置，其特征在于：所述升降调节装置(105)包括设置于桩顶定位座(101)顶部的螺纹套筒(105.1)，所述螺纹套筒(105.1)内螺纹连接有内外螺纹套管(105.2)，所述内外螺纹套管(105.2)内螺纹连接有螺杆(105.3)，所述螺杆(105.3)顶部设置于支撑架(104)内。
  3. 根据权利要求1所述的一种桩顶顶推定位装置，其特征在于：所述支撑架(104)的顶板两侧对称设置有一个锁紧装置(108)。
  4. 根据权利要求4所述的一种桩顶顶推定位装置，其特征在于：所述锁紧装置(108)包括锁紧支架，所述锁紧支架顶部配合固定有锁紧调节板(108.1)，所述锁紧调节板(108.1)上开有纵向螺纹孔，所述纵向螺纹孔内配合有压紧承重平台(107)底板的锁紧螺栓(108.8)。
  5. 根据权利要求4所述的一种桩顶顶推定位装置，其特征在于：所述锁紧支架包括两块正对的摇臂板(113)，所述两块摇臂板(113)的上部设有连接轴(114)，所述连接轴(114)穿过锁紧座(108.2)，所述锁紧座(108.2)的顶部设有锁紧固定板(108.3)，所述锁紧固定板(108.3)的后部设置有锁紧支撑板(108.4)；所述锁紧调节板(108.1)的后部支撑在锁紧支撑板(108.4)上，所述锁紧调节板(108.1)底面的中部两侧分别设置有一个支撑套筒(108.5)，所述锁紧固定板(108.3)的后部两侧分别设置有一个纵向调节螺栓(108.6)，所述纵向调节螺栓(108.6)设置于支撑套筒(108.5)内，所述纵向调节螺栓(108.6)的顶部穿过锁紧调节板(108.1)连接有锁紧螺母(108.7)，所述锁紧螺栓(108.8)设置于锁紧调节板(108.1)的前部两侧。
  6. 根据权利要求5所述的一种桩顶顶推定位装置，其特征在于：所述锁紧调节板(108.1)的两侧开有长孔，所述调节螺栓(108.6)的顶部穿过于长孔连接锁紧螺母(108.7)，所述支撑套筒(108.5)的内径大于纵向调节螺栓(108.6)的直径。
  7. 根据权利要求5所述的一种桩顶顶推定位装置，其特征在于：所述锁紧固定板(108.3)的后部两侧与锁紧座(108.2)之间固定连接有加强板(108.9)。
  8. 根据权利要求2所述的一种桩顶顶推定位装置，其特征在于：所述螺杆(105.3)的顶部中央开有定位通孔(110)，所述定位通孔(110)的前后两侧分别设有一块螺杆定位板(111)，所述两块螺杆定位板(111)与螺杆(105.3)的定位通孔(110)之间连接有定位销轴(112)，所述螺杆定位板(111)固定于支撑架(104)内。
  9. 根据权利要求8所述的一种桩顶顶推定位装置，其特征在于：所述升降调节装置(105)的顶部还固定有球铰螺母(115)，所述球铰螺母(115)中配合有球铰螺栓(116)，所述球铰螺栓(116)顶部连接有球铰(117)，所述球铰(117)与支撑架(104)的底部贴合压紧。
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