CN219951942U - Composite pile machine - Google Patents

Abstract

The utility model discloses a composite pile machine, which comprises: the pile driver comprises a pile driver chassis, a grooving device arranged on the pile driver chassis, and pile sinking equipment arranged on the pile driver chassis and positioned at one lateral side of the grooving device; the grooving equipment comprises a spliced chain wheel frame, a cutting chain which is arranged on the spliced chain wheel frame and connected with a rotary power source, and a first lifting device which is arranged on the pile driver chassis and connected with the spliced chain wheel frame; the pile sinking equipment comprises a pile pressing device, a pile clamping device positioned below the pile pressing device, and a second lifting device which is arranged on the chassis of the pile driver and is connected with the pile pressing device; the pile pressing device and the pile clamping device are respectively provided with a pile clamping space, and the vertical central axis of the pile clamping space of the pile pressing device is approximately coincident with the vertical central axis of the pile clamping space of the pile clamping device. The prefabricated pile wall has the effect of avoiding the prefabricated pile wall from inclining towards any side of the thickness direction of the underground groove, so that the water retaining capacity of the formed underground continuous wall is ensured.

Description

Composite pile machine

Technical Field

The utility model relates to the technical field of underground diaphragm wall construction, in particular to a composite pile machine.

Background

Along with the continuous deep development level of underground space, especially under various complicated geological conditions and hydrologic environments, the cement-soil stirring pile wall for supporting the foundation pit is required to meet the requirements of deep, fast and strong, the hydraulic connection between the pressure-bearing water layer and the deep foundation pit is cut off or partially cut off, the excessive subsidence of the ground caused by the precipitation of the foundation pit is controlled, and the safety of the deep foundation pit and the surrounding environment is ensured.

At present, the traditional underground continuous wall is built by adopting a spliced chain type grooving machine to form an underground groove, and then section steel or prefabricated pile walls are inserted at any interval. The section steel or the precast pile wall is directly inserted into the underground tank through the crane, but is easy to incline to one side in the thickness direction under the dead weight of the section steel or the precast pile wall and the complex environment in the underground tank, so that the formed underground diaphragm wall has low quality, the integrity of the underground diaphragm wall can be influenced, and the impermeability of the underground diaphragm wall is reduced.

Disclosure of Invention

The utility model aims to provide a composite pile machine, which aims to solve the problem that a prefabricated pile wall is easy to incline to one side of a thickness direction of an underground groove.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a composite pile machine, comprising: the pile driver comprises a pile driver chassis, a grooving device arranged on the pile driver chassis, and pile sinking equipment arranged on the pile driver chassis and positioned at one lateral side of the grooving device;

the grooving equipment comprises a spliced chain wheel frame, a cutting chain which is arranged on the spliced chain wheel frame and connected with a rotary power source, and a first lifting device which is arranged on the pile driver chassis and connected with the spliced chain wheel frame; the pile sinking equipment comprises a pile pressing device, a pile clamping device positioned below the pile pressing device, and a second lifting device which is arranged on the chassis of the pile driver and is connected with the pile pressing device;

the pile pressing device and the pile clamping device are respectively provided with a pile clamping space, and the vertical central axis of the pile clamping space of the pile pressing device is approximately coincident with the vertical central axis of the pile clamping space of the pile clamping device.

Compared with the prior art, the utility model has the beneficial effects that: the pile machine chassis can drive the grooving equipment and the pile sinking equipment to move transversely/longitudinally, the spliced chain wheel frame of the grooving equipment and the cutting chain rotating under the drive of the rotary power source are driven by the first lifting device to tunnel vertically downwards to form an underground groove, and when the spliced chain wheel frame and the cutting chain tunnel vertically to a preset depth, the grooving equipment can move transversely to cut to form a continuous underground groove under the drive of the pile machine chassis. The pile pressing device can vertically reciprocate under the drive of the second lifting device, so that the clamped prefabricated pile wall is driven to sink into the underground groove. The vertical central axes of pile clamping space of pile pressing device and pile clamping device are approximately coincident to guarantee the straightness that hangs down of male precast pile wall, make in the pile inserting process, precast pile wall by vertical inserting down, avoid precast pile wall to incline towards arbitrary one side of underground tank thickness direction, with the wholeness of guaranteeing the underground diaphragm wall after the shaping, promote its manger plate ability.

Preferably, the pile pressing device and the pile clamping device are both provided with pile clamping boxes, the pile clamping boxes are provided with pile clamping spaces, pile holding assemblies are arranged close to the pile clamping spaces, and each pile holding assembly comprises a clamping piece and a clamping drive for driving the clamping piece to move; the second lifting device is connected with a pile clamping box of the pile pressing device.

Preferably, the side surface of the clamping piece facing the pile clamping space is at least partially attached to the outer peripheral surface of the precast pile wall;

and/or the side surface of the clamping piece facing the pile clamping space is provided with a plurality of concave parts;

and/or the clamping piece comprises at least two layers of clamping bodies which are sequentially arranged along the vertical direction.

Preferably, the first lifting device and the second lifting device comprise lifting columns and lifting drives which are arranged on the chassis of the pile driver, the pile clamping box of the pile pressing device and/or the spliced chain wheel frame are movably connected to the lifting columns, and the lifting drives are connected and drive the pile clamping box of the pile pressing device and/or the spliced chain wheel frame to vertically move along the lifting columns.

Preferably, a guide piece is arranged at the upper end of a pile clamping box of the pile pressing device, and comprises a containing cylinder, a positioning pin, a guide plate facing to a pile clamping space and an adjusting cylinder which is integrally formed with the guide plate and is arranged in the containing cylinder;

the adjusting cylinder and/or the accommodating cylinder is/are provided with a group of pin holes, and the adjusting cylinder is connected with the accommodating cylinder through a locating pin.

Preferably, the spliced sprocket frame comprises a head box, a cutting box and a tail box which are detachably connected, wherein the head box, the cutting box and the tail box are all connected in a detachable mode, a driving sprocket for connecting a rotary power source and a cutting chain is arranged on the head box, a driven sprocket for connecting the cutting chain is arranged on the tail box, and the lifting device is connected with the head box to drive the spliced sprocket frame to lift.

Preferably, the head box further comprises: the tensioning piece, be used for installing the tensioning piece with the mounting bracket of connector, the tensioning piece includes: the lifting plate is used for installing the driving chain wheel and is connected with and drives the lifting plate to lift and lower on the mounting frame;

and/or the spliced chain wheel frame is provided with a grouting channel;

and/or connecting plates for hanging the cutting chains to connect the long cutting chains are arranged on two lateral sides of the connecting body.

Preferably, an adaptive positioning assembly is arranged between the adjacent connectors, and the positioning assembly comprises a positioning groove and a positioning lug which are respectively arranged on the adjacent connectors, and the adjacent connectors are connected through bolts.

Preferably, the cutting chain comprises a plurality of link units and a plurality of connecting shafts, two adjacent link units are fixed through the connecting shafts, each link unit comprises at least one pair of caterpillar links, a through channel for discharging soil is formed between the two caterpillar links in the same pair, and a plurality of cutters are arranged on the peripheral surface of the cutting chain at intervals.

Preferably, the composite construction equipment further includes: the deflection piece is arranged on the pile driver chassis and connected with the grooving equipment, the deflection piece comprises a cross hinge, and the deflection angle of the grooving equipment is more than or equal to-5 degrees and less than 5 degrees.

Drawings

FIG. 1 is a schematic perspective view of a composite pile machine;

FIG. 2 is a schematic perspective view of a pile clamping box of the pile clamping device;

FIG. 3 is a schematic perspective view of a pile clamping box of the pile pressing device;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic perspective view of a spliced chain wheel frame;

FIG. 6 is a schematic perspective view of another view of a splice sprocket frame;

FIG. 7 is a partial enlarged view at B in FIG. 6;

FIG. 8 is a schematic perspective view of the head box;

FIG. 9 is a schematic perspective view of a cutting box;

FIG. 10 is a schematic perspective view of another view of the cutting box;

FIG. 11 is a schematic perspective view of the tail box;

FIG. 12 is a schematic perspective view of a cutting chain;

fig. 13 is a partial enlarged view of fig. 12 at C.

In the figure: 1. a pile machine chassis; 21. a head box; 211. tensioning and driving; 212. square holes; 213. a mounting frame; 22. a guide block seat; 23. a rotary power source; 24. a cutting box; 25. a tail box; 26. a driven sprocket; 27. a transmission gear; 28. a drive sprocket; 29. a lifting plate; 210. a guide slide block; 31. lifting the upright post; 32. lifting driving; 41. pile clamping box; 42. a clamping member; 43. clamping driving; 44. a guide wheel; 45. a mounting member; 46. a positioning pin; 47. a guide plate; 48. an adjustment cylinder; 49. an accommodating cylinder; 5. a connecting body; 51. a connecting plate; 52. positioning the protruding blocks; 53. a positioning groove; 54. a slurry outlet; 6. grouting channels; 7. cutting a chain; 71. a cutter; 72. chain track section; 73. and a connecting shaft.

Detailed Description

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

In the present specification, the terms "upper, lower, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The longitudinal direction is the width direction of the underground tank, the vertical direction is the depth direction of the underground tank, and the transverse direction is the length direction of the underground tank.

Example 1

As shown in fig. 1, this embodiment provides a composite pile machine, including: the pile driver comprises a pile driver chassis 1, a grooving device arranged on the pile driver chassis 1, and pile sinking equipment arranged on the pile driver chassis 1 and positioned at one lateral side of the grooving device; the grooving equipment comprises a spliced chain wheel frame, a cutting chain 7 which is arranged on the spliced chain wheel frame and connected with a rotary power source 23, and a first lifting device which is arranged on the pile machine chassis 1 and connected with the spliced chain wheel frame; the pile sinking equipment comprises a pile pressing device, a pile clamping device positioned below the pile pressing device, and a second lifting device which is arranged on the chassis 1 of the pile driver and is connected with the pile pressing device; the pile pressing device and the pile clamping device are respectively provided with a pile clamping space, and the vertical central axis of the pile clamping space of the pile pressing device is approximately coincident with the vertical central axis of the pile clamping space of the pile clamping device.

Specifically, the pile driver chassis 1 may drive the grooving apparatus and the pile sinking apparatus to move laterally/longitudinally, the spliced chain wheel frame of the grooving apparatus and the cutting chain 7 rotating under the drive of the rotary power source 23 are driven by the first lifting device to tunnel vertically downwards to form an underground groove, and when the spliced chain wheel frame and the cutting chain 7 tunnel vertically to a preset depth, the grooving apparatus may move laterally to cut to form a continuous underground groove under the drive of the pile driver chassis 1. The pile pressing device can vertically reciprocate under the drive of the second lifting device, so that the clamped prefabricated pile wall is driven to sink into the underground groove. The vertical central axes of pile clamping space of pile pressing device and pile clamping device are approximately coincident to guarantee the straightness that hangs down of male precast pile wall, make in the pile inserting process, precast pile wall by vertical inserting down, avoid precast pile wall to incline towards arbitrary one side of underground tank thickness direction, with the wholeness of guaranteeing the underground diaphragm wall after the shaping, promote its manger plate ability.

In detail, when the composite pile machine provided by the embodiment is used for forming an underground tank, when a first pile position is formed, the spliced chain wheel frame and the cutting chain 7 can be lengthened to adapt to the preset excavation depth of the underground tank, after the vertical lower ends of the spliced chain wheel frame and the cutting chain 7 are excavated to the preset excavation depth, the pile forming equipment transversely moves under the action of the pile machine chassis 1, the cutting chain 7 continuously cuts to form a continuous underground tank, and in the process that the continuous underground tank is formed by the pile forming equipment, the pile sinking equipment sends a prefabricated pile wall into the underground tank through the pile pressing device.

Preferably, the number of the rotary power sources 23 is two to provide enough power, and the rotary power sources 23 can be one or a combination of a plurality of hydraulic motors, electric motors and pneumatic motors.

Preferably, the longitudinal distance a of the vertical central axes of the pile clamping space of the pile pressing device and the pile clamping device should satisfy the following calculation formula:

a≤0.5％h

in the formula, h is the interval between the vertical lower end of the pile pressing device and the vertical lower end of the pile clamping device, and the perpendicularity deviation of the prefabricated pile wall finally inserted into the underground groove is less than 0.5% by the technical means.

As shown in fig. 1-3, further, the pile pressing device and the pile clamping device are provided with pile clamping boxes 41, the pile clamping boxes 41 are provided with pile clamping spaces, pile holding assemblies are arranged near the pile clamping spaces of the pile clamping boxes 41, and each pile holding assembly comprises a clamping piece 42 and a clamping drive 43 for driving the clamping piece 42 to move; the second lifting device is connected with the pile clamping box 41 of the pile pressing device, the clamping driving device 43 can drive the clamping piece 42 to move towards the pile clamping space to narrow the pile clamping space so as to clamp the prefabricated pile wall, the clamping driving device 43 is one of an oil cylinder and an electric cylinder, and conversely, the clamping driving device 43 can also drive the clamping piece 42 to move away from the pile clamping space so as to expand the pile clamping space to loosen the prefabricated pile wall. The pile clamping box 41 of the pile pressing device can vertically reciprocate up and down under the drive of the lifting device, so that the clamped precast pile wall is driven to sink into the underground tank, and pile sinking operation of the precast pile wall comprises: when the pile clamping box 41 of the pile pressing device clamps the precast pile wall to move downwards, the pile clamping box 41 of the pile pressing device loosens the precast pile wall, when the pile clamping box 41 of the pile pressing device loosens the precast pile wall to move upwards, the pile clamping box 41 of the pile pressing device clamps the precast pile wall to prevent the precast pile wall from falling into the underground groove, preferably, when the uppermost end of the precast pile wall is flush with or slightly higher than the upper end face of the pile clamping box 41 of the pile clamping device, the pile clamping box 41 of the pile clamping device loosens the precast pile wall and completely feeds the precast pile wall into the underground groove by using the pile feeder. In addition, when the designed underground diaphragm wall is higher than the precast pile wall, that is, when the precast pile wall needs vertical butt joint, the precast pile wall is sunk to the position that the uppermost end of the precast pile wall is flush with or slightly higher than the upper end surface of the pile clamping box 41 of the pile clamping device according to the method, the precast pile wall is clamped by the pile clamping box 41 of the pile clamping device, the pile clamping box 41 of the pile pressing device clamps and drives the other precast pile wall to move downwards, the vertical lower end of the other precast pile wall is connected with the vertical upper end of the precast pile wall clamped by the pile clamping device, then the butt joint operation of the precast pile wall is repeated until the designed height of the underground diaphragm wall is reached, and the precast pile wall is completely conveyed into the underground tank through the pile conveying device.

Further, the side surface of the clamping piece 42 facing the pile clamping space is at least partially attached to the outer circumferential surface of the precast pile wall; the shape of the side surface of the clamping piece 42 facing the pile clamping space is matched with the outer circumferential surface of the precast pile wall as much as possible, so that the contact area between the clamping piece 42 and the precast pile wall is increased in the pile clamping process, the friction force between the clamping piece 42 and the precast pile wall is increased, and the clamping stability is improved.

Further, the side surface of the clamping piece 42 facing the pile clamping space is provided with a plurality of concave parts; the side of the clamping piece 42 facing the pile clamping space is provided with the concave part so as to increase the friction coefficient of the side of the clamping piece 42 facing the pile clamping space, and the friction force between the clamping piece 42 and the prefabricated pile wall is increased, so that the clamping stability is increased.

Further, the clamping piece 42 comprises at least two layers of clamping bodies which are sequentially arranged along the vertical direction, the two layers of clamping bodies are sequentially arranged along the vertical direction so as to increase the contact area between the clamping piece 42 and the precast pile wall, and the friction force between the clamping piece 42 and the precast pile wall is increased, so that the stability of clamping is increased, the clamping height is increased, and the perpendicularity of the precast pile wall is further guaranteed.

As shown in fig. 1 and 5, further, the spliced sprocket frame comprises a head box 21, a cutting box 24 and a tail box 25 which are detachably connected, the head box 21, the cutting box 24 and the tail box 25 all comprise a connector 5 which is detachably connected, the spliced sprocket frame is formed into a whole through the connection of the head box 21, the cutting box 24 and the connector 5 on the tail box 25, a driving sprocket 28 which is connected with a rotary power source 23 and a cutting chain 7 is arranged on the head box 21, a driven sprocket 26 which is connected with the cutting chain 7 is arranged on the tail box 25, the first lifting device is connected with the head box 21 to drive the spliced sprocket frame to lift, and the length of the spliced sprocket frame can be increased by continuously connecting a new cutting box 24 between the head box 21 and the tail box 25 in the vertical tunneling process, so as to adapt to the preset grooving depth, and the cutting chain 7 can also be lengthened so as to adapt to the increased spliced sprocket frame. The cutting chain 7 is wound on the driving sprocket 28 and the driven sprocket 26, and the rotary power source 23 can drive the driving sprocket 28 to rotate so as to drive the cutting chain 7 to perform rotary motion around the spliced sprocket frame to cut soil.

Further, the two lateral sides of the connecting body 5 are provided with connecting plates 51 for hanging the cutting chains 7 to extend the cutting chains 7, so that the cutting chains 7 can be conveniently hung on the existing cutting chains 7 when the cutting chains 7 are extended, and the cutting chains 7 can be prevented from falling into the underground groove; preferably, the connecting plate 51 is provided with a plurality of pin holes, and the pin holes are arranged by inserting pins for hanging the cutting chain 7 into the pin holes of the connecting plate 51 to hang the cutting chain 7, so that the individual pin holes are prevented from being blocked by soil.

In detail, the composite pile machine firstly reaches the transverse outer side of a preset position according to the design requirement; the grooving apparatus opens a cutting box placement pocket laterally outboard of the predetermined location and hangs at least one section of cutting box 24 into the cutting box placement pocket. The pile machine chassis 1 drives the grooving equipment to move to a preset position to vertically tunnel so as to form an underground groove, after the grooving equipment cannot tunnel, the cutting chain 7 is loosened, the cutting chain 7 is disassembled, the disassembled cutting chain 7 is hung on a cutting box 24 in the groove, the head box 21 of the spliced chain wheel frame is separated from the cutting box 24 in the underground groove, the spliced chain wheel frame is moved to a position of a placing hole of the cutting box, the head box 21 is connected with the cutting box 24 in the placing hole of the cutting box, and in the process, the cutting box 24 and a tail box 25 in the underground groove maintain the positions in the groove through a crane so as not to vertically sink; the composite pile machine drives a spliced chain wheel frame connected with a cutting box 24 in a cutting box placing hole to return to a preset position again, so that the cutting box 24 connected to a head box 21 is connected with the cutting box 24 in an underground tank, a cutting chain 7 is connected in parallel, the cutting chain 7 after extension is wound on the spliced chain wheel frame, the cutting chain 7 is tensioned, then vertical tunneling action is continued, and in the process, a new cutting box 24 is suspended into the cutting box placing hole again through a crane; and (5) repeating the steps to excavate the underground groove with the depth which is the depth required by the design along the vertical direction.

Further, an adaptive positioning component is arranged between the adjacent connecting bodies 5, the positioning component comprises a positioning groove 53 and a positioning lug which are respectively arranged on the adjacent connecting bodies 5, the adjacent connecting bodies 5 are connected through bolts, preferably, the positioning groove 53 is arranged at the vertical lower ends of the connecting bodies 5 of the head box 21 and the cutting box 24, the positioning lug is arranged at the vertical upper ends of the connecting bodies 5 of the tail box 25 and the cutting box 24, and the connecting bodies 5 are inserted into the positioning groove 53 in the splicing process, so that the positioning between the two adjacent connecting bodies 5 is realized, and after the positioning of the connecting bodies 5 is realized, the two adjacent connecting bodies 5 are connected together through bolts to form a splicing chain wheel frame.

As shown in fig. 6 and 7, further, the head box 21 further includes: a tensioning member, a mounting bracket 213 for mounting the tensioning member and the connecting body 5, the tensioning member comprising: a lifting plate 29 for installing a driving sprocket 28, and a tensioning drive 211 for connecting and driving the lifting plate 29 to lift on the mounting frame 213; preferably, the rotary power source 23 is mounted on the lifting plate 29, the rotary power source 23 is located above the driving sprocket 28 and is arranged in a dislocation mode with the driving sprocket 28, a transmission gear 27 is arranged between the rotary power source 23 and the driving sprocket 28, the rotary power source 23 drives the driving sprocket 28 to rotate through the transmission gear 27, and the rotary power source 23 and the driving sprocket 28 are arranged in a dislocation mode to avoid excessively compact structure. The mounting frame 213 is provided with a square hole 212 penetrating longitudinally, the lifting plate 29 is arranged in the square hole 212, the tensioning drive 211 connected with the lifting plate 29 is an oil cylinder, one end of the oil cylinder, far away from the output end, is connected with the head box 21 or the pile machine chassis 1, the output end of the oil cylinder is connected with the lifting plate 29, and the lifting drive 32 drives the driving sprocket 28 to move upwards (or downwards) through driving the lifting plate 29 so as to increase (or reduce) the distance between the driving sprocket 28 and the driven sprocket 26, thereby driving the tensioning (loosening) to wind the cutting chain 7 arranged between the driving sprocket 28 and the driven sprocket 26.

As shown in fig. 9-11, further, the spliced chain wheel frame is provided with a grouting channel 6; the grouting channel 6 is used for spraying water or slurry in the process of cutting the soil body by the cutting chain 7, which is beneficial to cutting and stirring the soil body, thereby improving the vertical tunneling efficiency of the cutting device and the wall forming quality of the underground diaphragm wall. The slurry in this embodiment may be a liquid in which one or more of silt, cement, an adhesive, a gelling agent, a curing agent, and an expanding agent are mixed in water. Preferably, the grouting channel 6 is arranged in the connecting body 5, the grouting communication of the head box 21 is communicated with a grouting pump, the tail box 25 is provided with a grouting outlet 54, and the grouting outlet 54 is communicated with the grouting channel 6 in the tail box 25.

As shown in fig. 12 and 13, further, the cutting chain 7 includes a plurality of link units and a plurality of connecting shafts 73, two adjacent link units are fixed by the connecting shafts 73, each link unit includes at least one pair of caterpillar links 72, through channels for discharging soil are formed between the two caterpillar links 72 of the same pair, a plurality of cutters 71 are arranged on the outer peripheral surface of the cutting chain 7 at intervals, soil is cut by the cutters 71 on the outer peripheral surface of the cutting chain 7 in the process of rotating, the number of the links of the cutting chain 7 is easily adjusted by the connecting shafts 73 and the link units, so that different spliced chain wheel frame lengths are adapted, and soil discharging channels formed by the two caterpillar links 72 provide space for throwing out soil on the inner sides of the caterpillar links 72, so that soil can be prevented from accumulating on the inner sides of the caterpillar links 72 and affecting the transmission with the driving chain wheel 28.

As shown in fig. 1 and 6, further, the first lifting device and the second lifting device each comprise a lifting upright 31 and a lifting drive 32 which are mounted on the chassis 1 of the pile driver, the pile clamping box 41 and/or the spliced chain wheel frame of the pile pressing device are movably connected to the lifting upright 31, the lifting drive 32 is connected with and drives the pile clamping box 41 and/or the spliced chain wheel frame of the pile pressing device to vertically move along the lifting upright 31, and the lifting drive 32 is connected with and drives the pile pressing device or the spliced chain wheel frame to vertically move along the lifting upright 31.

Preferably, as shown in fig. 1 and 3, at least one group of guide wheels 44 in rolling fit with the guide surface of the lifting upright 31 are arranged at the position opposite to the guide surface of the lifting upright 31 in the pile clamping box 41 of the pile pressing device, so as to adapt to the lifting upright 31, enable the pile clamping box 41 of the pile pressing device to stably move under the guide of the lifting upright 31, ensure the perpendicularity during pile insertion, and enable the guide wheels 44 to be mounted on the pile clamping box 41 of the pile pressing device through mounting pieces 45.

Preferably, as shown in fig. 6, the lifting plate 29 and/or the mounting frame 213 is provided with a guide block seat 22, and a guide slide block adapted to the lifting upright 31 of the cutting device is also provided on the guide block seat 22, so that the head box 21 and/or the lifting plate 29 stably slides along the lifting upright 31 under the action of the lifting drive 32, and the movement direction of the head box 21 and/or the lifting plate 29 is limited, so that the cutting device can cut a vertical groove when forming the vertical groove.

Example two

In this embodiment, the same reference numerals are given to the same parts as those of the first embodiment, and the same description is omitted.

As shown in fig. 3 and 4, with respect to the first embodiment, the pile clamping box 41 of the pile pressing device provided in this embodiment has such a different structural design: the upper end of a pile clamping box 41 of the pile pressing device is provided with a guide piece, and the guide piece comprises a containing cylinder 49, a positioning pin 46, a guide plate 47 facing the pile clamping space and an adjusting cylinder 48 which is integrally formed with the guide plate 47 and is arranged in the containing cylinder 49; the adjustment cylinder 48 and/or the receiving cylinder 49 are provided with a set of pin holes, and the adjustment cylinder 48 is connected to the receiving cylinder 49 by the positioning pins 46.

Specifically, the guide plate 47 includes a parallel section parallel to the clamping member 42 and an inclined section integrally formed with the parallel section and inclined away from the clamping space direction, and is used for guiding the precast pile wall, and for precast pile walls of different specifications, the position of the guide plate 47 can be changed by adjusting the relative positions of the adjusting cylinder 48 and the accommodating cylinder 49, so as to adapt to precast pile walls of different specifications and different sizes.

Example III

In this embodiment, the same reference numerals are given to the same parts as those of the first and second embodiments, and the same description is omitted.

Compared with the first and second embodiments, the composite pile machine provided in this embodiment further has the following different structural designs: the composite construction equipment further includes: the deflection piece is arranged on the pile machine chassis 1 and connected with the grooving equipment, the deflection piece comprises a cross hinge, and the deflection angle of the grooving equipment is more than or equal to-5 degrees and less than 5 degrees. The grooving equipment realizes the swing through the lift drive 32 of a lifting device, the lift drive 32 of the lifting device comprises two oil cylinders, the output ends of the two oil cylinders are connected with a spliced chain wheel frame, the grooving equipment can deflect due to the fact that the extending lengths of the output ends of the two oil cylinders can be different, the grooving equipment can deflect, the cutting device can actively apply pressure to the groove wall in the transverse cutting process, the cutting efficiency is improved, and the cutting device can deflect in the transverse cutting process to bring out stones and the like in the groove, so that the sinking of the stones and the like is avoided, and the integrity of the underground continuous wall is influenced. The deflection angle of the grooving apparatus is-5 ° or more and less than 5 ° to avoid interference between the grooving apparatus and the pile driver chassis 1, preferably-3 ° or more and less than 3 °.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Claims (10)

1. A composite pile machine, comprising: the pile driver comprises a pile driver chassis, a grooving device arranged on the pile driver chassis, and pile sinking equipment arranged on the pile driver chassis and positioned at one lateral side of the grooving device;

the grooving equipment comprises a spliced chain wheel frame, a cutting chain which is arranged on the spliced chain wheel frame and connected with a rotary power source, and a first lifting device which is arranged on the pile driver chassis and connected with the spliced chain wheel frame; the pile sinking equipment comprises a pile pressing device, a pile clamping device positioned below the pile pressing device, and a second lifting device which is arranged on the chassis of the pile driver and is connected with the pile pressing device;

the pile pressing device and the pile clamping device are respectively provided with a pile clamping space, and the vertical central axis of the pile clamping space of the pile pressing device is approximately coincident with the vertical central axis of the pile clamping space of the pile clamping device.

2. A composite pile machine according to claim 1, wherein the pile pressing device and the pile clamping device are provided with pile clamping boxes, the pile clamping boxes are provided with pile clamping spaces, pile holding assemblies are arranged adjacent to the pile clamping spaces, and the pile holding assemblies comprise clamping pieces and clamping drives for driving the clamping pieces to move; the second lifting device is connected with a pile clamping box of the pile pressing device.

3. A composite pile machine according to claim 2, wherein the side of the clamping member facing the pile clamping space is at least partially in abutment with the outer peripheral surface of the precast pile wall;

and/or the side surface of the clamping piece facing the pile clamping space is provided with a plurality of concave parts;

and/or the clamping piece comprises at least two layers of clamping bodies which are sequentially arranged along the vertical direction.

4. A composite pile machine according to claim 2, wherein the first lifting device and the second lifting device each comprise a lifting column and a lifting drive which are mounted on the pile machine chassis, the pile clamping box of the pile pressing device and/or the spliced chain wheel frame are/is movably connected to the lifting column, and the lifting drive is connected and drives the pile clamping box of the pile pressing device and/or the spliced chain wheel frame to move vertically along the lifting column.

5. The composite pile machine according to claim 2, wherein a guide member is arranged at the upper end of a pile clamping box of the pile pressing device, and comprises a containing cylinder, a locating pin, a guide plate facing a pile clamping space, and an adjusting cylinder integrally formed with the guide plate and arranged in the containing cylinder;

the adjusting cylinder and/or the accommodating cylinder is/are provided with a group of pin holes, and the adjusting cylinder is connected with the accommodating cylinder through a locating pin.

6. The composite pile machine according to claim 2, wherein the spliced sprocket frame comprises a head box, a cutting box and a tail box which are detachably connected, the head box, the cutting box and the tail box all comprise a connector which is detachably connected, a driving sprocket which is connected with a rotary power source and a cutting chain is arranged on the head box, a driven sprocket which is connected with the cutting chain is arranged on the tail box, and the lifting device is connected with the head box to drive the spliced sprocket frame to lift.

7. The composite pile machine according to claim 6, wherein the head box further comprises: the tensioning piece, be used for installing the tensioning piece with the mounting bracket of connector, the tensioning piece includes: the lifting plate is used for installing the driving chain wheel and is connected with and drives the lifting plate to lift and lower on the mounting frame;

and/or the spliced chain wheel frame is provided with a grouting channel;

and/or connecting plates for hanging the cutting chains to connect the long cutting chains are arranged on two lateral sides of the connecting body.

8. The composite pile machine according to claim 6, wherein an adaptive positioning assembly is provided between adjacent connectors, the positioning assembly includes positioning grooves and positioning projections provided on the adjacent connectors, respectively, and the adjacent connectors are connected by bolts.

9. The composite pile machine according to claim 6, wherein the cutting chain comprises a plurality of link units and a plurality of connecting shafts, two adjacent link units are fixed through the connecting shafts, each link unit comprises at least one pair of caterpillar links, a through passage for discharging soil is formed between two caterpillar links in the same pair, and a plurality of cutters are arranged on the outer peripheral surface of the cutting chain at intervals.

10. A composite pile machine according to any one of claims 1 to 9, characterised in that the composite construction equipment further comprises: the deflection piece is arranged on the pile driver chassis and connected with the grooving equipment, the deflection piece comprises a cross hinge, and the deflection angle of the grooving equipment is more than or equal to-5 degrees and less than 5 degrees.