CN206707641U - A kind of pile-driving machine - Google Patents

Abstract

A kind of pile-driving machine, include the unit head of the reduction box containing multiple rows of hollow output shaft and power source, revolution filling adaptor, multiple rows of adpting flange containing hexagonal shoulder nipple, guide plate and inclination sensor, multiple rows of polish drill rod, multiple rows of stirring drilling rod, multiple rows of drilling tool, middle part bearing support and bearing support；Multiple rows of hollow output shaft passes perpendicularly through reduction box, and top and bottom are fixedly mounted with revolution filling adaptor and multiple rows of adpting flange；Multiple rows of polish drill rod, stirring drilling rod and drilling tool are arranged in a straight line with back and forth or left and right, and relatively parallel between row and row；Polish drill rod, stir drilling rod upper and lower ends be equipped with outer, interior hexagonal connect middle part bearing support and bearing support be set with before and after adjacent and the polish drill rod of left and right or stirring drilling rod and drilling tool on；Drilling tool upper end is provided with hexagonal shoulder nipple；Stir drilling rod and be provided with helical wing plate, cutting blade and wearing plate；Drilling tool is provided with the upper cutting wing, the lower cutting wing and wearing plate；The utility model has that drilling ability is big, stirring drill rod abrasion is small, saves construction costs.

Description

A kind of pile-driving machine

Technical field

The utility model belongs to foundation engineering construction field, more particularly to a kind of for foundation pit enclosure, water-stop curtain wall, dykes and dams The pile-driving machine that Anti-seeping technology and soft soil foundation improvement are reinforced.

Background technology

With the continuous propulsion of national urban construction, Integration of Urban-rural Areas has driven development of real estate, city rail to hand over Logical and inter-city passenger rail construction, SMW engineering methods (i.e. colonnade formula soil water mud wall engineering method) the calculated viscosity soil introduced by Japan, silt, The soil ground such as sand and saturation loess is reinforced, and is had sealing antiseepage, is undertaken water and soil side pressure, undertakes and draw in anchor or adverse construction method Small, small to surrounding environment influence, the adjacent pile body of the function of vertical load, construction noise overlaps that barrier performance is good, environmentally friendly section completely Can, without construction public hazards, short time limit and suitable soil layer scope are wide the advantages that, be widely used in basement in high rise building, subway station The water-stop curtain and retaining wall that vertical shaft excavation of foundation pit is gone along with sb. to guard him, river dyke anti-seepage reinforcing and Soft Soil reinforce the engineerings such as improvement, The coastal soft clay area such as Chinese East China, North China is used widely and promoted, and progressively to Fujian, Anhui, Henan, Hubei and cloud Promote in southern area.

In the prior art, if carrying out the SMW engineering methods of underground pile foundation using multi-axial continuous wall driller, in cobble Cutter edge serious wear, knife often occurs when the firm hard formations such as layer, sand gravel are constructed, during drilling downward using augers Head comes off and the quality problems such as blade wear is serious, influences drilling machine operating efficiency, and causes drilling quality unstable, influences ground The sealing anti-seepage effect of lower diaphragm wall.

Utility model content

The shortcomings that main purpose of the present utility model is to overcome existing drilling machine to exist, including water-stagnating effect are undesirable etc. Problem, and provide it is a kind of adapt to boulder bed, the pile-driving machine of the firm hard formation drilling operation such as sand gravel, have drilling ability it is big, Drilling efficiency is high, stirring drilling rod blade wear is small, drill bit is sturdy and durable, improves the service life of drilling tool and drilling rod, significantly The cost of unit in charge of construction is reduced, so as to the construction costs of effectively save foundation pit enclosure and water-stop curtain wall.

To achieve the above objectives, solution is used by the utility model：

A kind of pile-driving machine, including：

Unit head, including lifting tackle group, the reduction box containing multiple rows of hollow output shaft and power source, revolution filling adaptor, Multiple rows of adpting flange containing hexagonal shoulder nipple, the guide plate and inclination sensor for being arranged at the unit head back side；

Multiple rows of polish drill rod, often arranging polish drill rod includes more hollow polish drill rods, and they are arranged in a straight line with back and forth or left and right, and Relatively parallel between row and row, every hollow polish drill rod includes：Some equal lengths or hollow stem not etc., and by they with Multiple rows of output flange connection and the first outer-hexagonal joint and the first hexagonal shoulder nipple that they are mutually connected to each other；

Multiple rows of stirring drilling rod, often arrange it is multiple rows of stirring drilling rod include more stirring drilling rods, be connected to every hollow polish drill rod it Lower end, every stirring drilling rod include：Hollow rod body, the slip casting passage for being arranged at hollow rod body inner chamber, above and below hollow rod body The second outer-hexagonal joint at both ends and the second hexagonal shoulder nipple；The helical wing plate and cutting blade of hollow rod body outer wall are arranged at, Wherein, cutting blade includes two the first blades and two the second blades；And wearing plate；

Multiple rows of drilling tool, per gang drill, tool includes some drilling tools, is connected to the lower end of the hollow rod body of every stirring drilling rod, often Root drilling tool includes：Drilling tool body, the injected hole for being arranged at drilling tool tubular body, the grouting valve positioned at its lower end and outer-hexagonal connect Head；The upper cutting wing, including upper cutting cutter hub and upper panel；The lower cutting wing, including lower bite body and lower panel；It is and wear-resisting Plate；

Middle part bearing support and bearing support；

Multigroup helical wing plate；

It is characterized in that：

The lifting tackle group and reduction box are located at upper rack and the inside of unit head, multiple rows of hollow output respectively Axle passes perpendicularly through the casing and case lid of deceleration, and their upper end is fixedly mounted with revolution filling adaptor, and their lower end is fixedly mounted with multiple rows of company Acting flange；The setting quantity of multiple rows of hollow output shaft and multiple rows of adpting flange is consistent with multiple rows of polish drill rod, in the often row Empty output shaft and often row adpting flange have more hollow output shafts and multiple adpting flanges；The adpting flange bottom it is interior It is provided with hex union vertical with its axial centre and by the symmetrical interior hex surface institute shapes of the outer wall through hexagonal shoulder nipple and two Into two pin shaft holes；The unit head is installed on the guide rail of pile frame with polish drill rod, stirring by the guide plate at its back side Drilling rod and the lower brill of drilling tool and lifting and move down with it is up；The inclination sensor for being installed on the back side of unit head is connected by signal wire The control panel being connected in control cabinl pulpit；

The first outer-hexagonal joint for often arranging each polish drill rod upper end in polish drill rod is each individually connected to reduction box Often arranging in adpting flange on the hexagonal shoulder nipple of each adpting flange lower end outside casing；Set on the first outer-hexagonal joint There are two half slots vertical with its axial centre and on two symmetrical outer-hexagonal faces, set in the hexagonal shoulder nipple There are two bearing pins that are vertical with its axial centre and being formed by the symmetrical interior hex surface of the outer wall through hexagonal shoulder nipple and two Hole；

Multigroup helical wing plate arranged on hollow rod body outer wall in a manner of radial surround, every group of helical wing plate it Between hollow rod body axial direction apart from equal；Multigroup helical wing plate and it is multigroup cutting blade hollow rod body outer wall from Upper and lower arranged crosswise；Multigroup cutting blade is on the outer wall of hollow rod body and is equally spaced, every group of cutting leaf First blade face of the first blade of piece is arranged horizontally and their first is below the blade tilted down, the second blade Upwardly and downwardly arrangement and their second are the blade tilted down below respectively on the second blade face；First blade and Two blades are along the equiangularly spaced arrangement of hollow rod body radial direction；The wearing plate be installed in respectively every group of helical wing plate, every group Cut the first blade and the second blade and the concentric free end arc surface of hollow rod body of blade；The hollow rod body upper end Second outer-hexagonal joint is provided with two half slots vertical with its axial centre and on two symmetrical outer-hexagonal faces, It is provided with second hexagonal shoulder nipple of the hollow rod body lower end vertical with its axial centre and by through the second hexagonal shoulder nipple Outer wall and two it is symmetrical in two pin shaft holes being formed of hex surface；Adjacent front and rear and left and right in multiple rows of stirring drilling rod It is wrong on the axial direction of hollow rod body respectively between helical wing plate and cutting blade on the hollow rod body of two stirring drilling rods Position arrangement；The maximum of helical wing plate and cutting blade on the hollow rod body of each stirring drilling rod of multiple rows of stirring drilling rod Rotational trajectory overlaps each other in radial directions；

It is described per gang drill tool in every drilling tool upper end outer-hexagonal joint be equipped with it is vertical with its axial centre and be located at two Two half slots on individual symmetrical outer-hexagonal face；The outer-hexagonal of the drilling tool body upper end of each drilling tool in every gang drill tool Joint is connected in every gang drill bar in the second hexagonal shoulder nipple of the hollow rod body lower end of each stirring drilling rod；The upper cutting The wing and it is lower cutting the wing be double end form, their upper panel and lower panel respectively by it is radial surround drilling tool body in a manner of cloth Put on its external wall, they form the angle of certain angle in the radial direction of drilling tool body；In the double end of the upper cutting wing The upper panel of each upper panel of fin is above each below to install row's bite, wherein, the upper panel of a upper panel is following On upper cutting cutter hub position and other end upper panel upper panel it is following on upper cutting cutter hub position in rotational trajectory On be that space crossings arrange；The lower panel of each lower panel of the double end lower panel of the lower cutting wing goes up each peace below Bite body under a row is filled, wherein, the position of the lower bite body on the lower panel of a lower panel is following and other end bottom wing The position of lower bite body on the lower panel of piece is following is that space crossings arrange on rotational trajectory；The wearing plate difference It is installed in the cutting wing and the lower cutting wing and the concentric free end arc surface of drilling tool body；

The upper cutting wing on the drilling tool body of the adjacent drilling tool of front and rear and left and right two and lower cutting in multiple rows of drilling tool Misplace arrangement on the axial direction of drilling tool body respectively between the wing；On the drilling tool body of each drilling tool of multiple rows of drilling tool The upper cutting wing and it is lower cutting the wing maximum rotational trajectory overlap each other in radial directions；

The middle part bearing support be set with before and after adjacent and the polish drill rod of left and right or stirring drilling rod 1 on, with to it Be oriented to and supported；

The bearing support is set on the front and rear and drilling tool body of the drilling tool of left and right two, to be oriented to and be propped up to them Hold.

The utility model can be, the first blade of the often row cutting blade of the often row stirring drilling rod first it is following and The second of second blade is following to be respectively mounted row cutting cutter hub, and their position is that space crossings arrange on rotational trajectory； Cutting cutter hub on the first blade and the second blade of multigroup cutting blade is made of hard alloy blocks.

The utility model be also possible that each upper panel of every group of drilling tool upper panel below and each bottom wing The lower panel of piece forms angle γ=30~60 ° respectively in the radial direction of drilling tool body below.

The utility model be also possible that each upper panel of every group of drilling tool upper panel below and each bottom wing The lower panel of piece forms angle γ=85~95 ° respectively in the radial direction of drilling tool body below.

The utility model is also possible that the first aerofoil of each upper panel of the upper cutting wing of every group of drilling tool is The second aerofoil with each lower panel of the lower cutting wing is each inclined in the same direction, wherein the first aerofoil and drilling tool Angle β 1=45~85 ° between the longitudinal center line of body, the folder between the second aerofoil and the longitudinal center line of drilling tool body Angle beta 2=25~55 °.

The utility model is also possible that the upper cutting cutter hub of the upper cutting wing of every group of drilling tool and the lower cutting wing (307) Lower bite body be made of hard alloy blocks.

The utility model is also possible that the middle part bearing support is to be located at its geometry by four outside leading trucks and one The structure that centre frame is formed by connecting, wherein, it is rectangular slab that the centre frame, which has at the top of the outer end of four protrusions and outer end, Portion；The outside leading truck includes the first half barrels and the second half barrels, wherein one end outer wall of the second half barrels is set There is a rectangular slab of a protrusion, the first half barrels and the second half barrels dock to form outside guide pipe；Lead in four outsides Then it is set with adjacent back and forth or left and right on totally four drilling rods by outside guide pipe to frame, when middle part bearing support sets two During individual or two or more, it is arranged at intervals up and down on drilling tool and drilling rod.

The utility model is also possible that the middle part bearing support along multiple rows of drilling rod left and right directions arranged for interval.

The utility model is also possible that the bearing support is formed by connecting by middle part bridge and two the first hemizonid portions Structure, two ends of the middle part bridge are respectively a second hemizonid portion, two first hemizonid portions and middle part bridge The second hemizonid portion at two ends is docked to form two guiding, and they are set with the drilling tool of two stirring drill tools in back and forth or left and right On body.

The utility model is also possible that the bearing support along before and after multiple rows of stirring drill tool and the arranged for interval of left and right.

The utility model is also possible that described along before and after multiple rows of stirring drill tool and the spaced apart bearing support in left and right can pass through Additional connecting rod connects their the first hemizonid portion composition bearing support group.

The utility model is also possible that the endoporus of four outside guide pipes of the middle part bearing support is equipped with wear-resistant sleeve, The wear-resistant sleeve is made up of two symmetrical semicircle neck bush.

The utility model, which is also possible that in the guide pipe of the bearing support, is provided with wear-resistant sleeve, and the wear-resistant sleeve is symmetrical by two Semicircle bushing composition.

The utility model is also possible that multiple rows of multigroup helical wing plate for stirring drilling rod and multigroup cutting blade hollow Intersect on body of rod outer wall and be arranged as multigroup helical wing plate above multigroup cutting blade.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model pile-driving machine；

Fig. 2 is Fig. 1 right view；

Fig. 3 is that the partial view after frame is removed in Fig. 2 unit head part；

Fig. 4 is top views of the Fig. 1 after lifting tackle group is removed；

Fig. 5 be in Fig. 1 A-A to sectional view；

Fig. 6 be in Fig. 1 C-C to sectional view；

Fig. 7 is B-B direction sectional view in Fig. 1；

Fig. 8 is the structural representation that drilling rod is stirred in Fig. 1；

Fig. 9 is Fig. 8 left view；

Figure 10 is the structural representation of drilling tool in Fig. 1；

Figure 11 is Figure 10 upward view；

Figure 12 is Figure 10 left view；

Figure 13 is Figure 12 upward view；

Figure 14 is the structural representation of polish drill rod in Fig. 1.

Embodiment

The utility model pile-driving machine is further described below in conjunction with embodiment described in accompanying drawing.

Embodiment 1：

A kind of pile-driving machine, including：Unit head 70, including lifting tackle group 701, containing multiple rows of hollow output shaft 7031 and dynamic The reduction box 703 in power source, turn round filling adaptor 704, multiple rows of adpting flange 705 containing hexagonal shoulder nipple 81, be arranged at unit head The guide plate 706 and inclination sensor 707 at 70 back sides；Multiple rows of polish drill rod, often arranging polish drill rod includes more hollow polish drill rods 20, They are arranged in a straight line with back and forth or left and right, and relatively parallel between row and row, and every hollow polish drill rod 20 includes：Some length Equal or different hollow stem 201, and they are connected to be mutually connected to each other with them with multiple rows of output flange 705 One outer-hexagonal joint 82' and the first hexagonal shoulder nipple 81'；Multiple rows of stirring drilling rod, often arranging multiple rows of stirring drilling rod includes more stirrings Drilling rod 1, is connected to the lower end of every hollow polish drill rod 20, and every stirring drilling rod 1 includes：Hollow rod body 10, it is arranged at hollow stem Hexagonal connects in the slip casting passage 11 of the inner chamber of body 10, the second outer-hexagonal joint 82 positioned at the upper and lower ends of hollow rod body 10 " and second First 81 "；The screw wing 2 and cutting blade 3 of the outer wall of hollow rod body 10 are arranged at, wherein, cutting blade 3 includes two the first blades 31,31 ' and two the second blades 32,32 '；And wearing plate 4；Multiple rows of drilling tool, per gang drill, tool includes some drilling tools 30, connects In the lower end of the hollow rod body 10 of every stirring drilling rod 1, every drilling tool 30 includes：Drilling tool body 300, it is arranged at drilling tool body Injected hole 301 inside 300, grouting valve 302 and outer-hexagonal joint 82 positioned at its lower end；The upper cutting wing 305, including above cut Sharpener body 3051 and upper panel 3052,3052 '；The lower cutting wing 307, including lower bite body 3071 and lower panel 3072, 3072’；And wearing plate 4；Middle part bearing support 50 and bearing support 60；Multigroup helical wing plate；Wherein：

The lifting tackle group 701 and reduction box 703 are located at upper rack and the inside of unit head 70 respectively, described multiple rows of Hollow output shaft 7031 passes perpendicularly through the casing and case lid of reduction box 703, and their upper end is fixedly mounted with revolution filling adaptor 704, Their lower end is fixedly mounted with multiple rows of adpting flange 705；So, it is connected to each time by Grouting Pipe by the pulping system being equipped with from the background After turning filling adaptor 704, it can inject to multiple rows of hollow output shaft 7031 and match somebody with somebody on request through what multiple rows of adpting flange 705 exported The cement grout of system；The setting quantity of multiple rows of hollow output shaft (7031) and multiple rows of adpting flange (705) and multiple rows of drill finish Bar 20 is consistent, described often to arrange hollow output shaft 7031 and often row's adpting flange 705 has more hollow output shafts 7031 and multiple Adpting flange 705；It is provided with the hexagonal shoulder nipple 81 of the bottom of adpting flange 705 vertical and by wearing with its axial centre Cross two pin shaft holes 811 that the outer wall of hexagonal shoulder nipple and two symmetrical interior hex surfaces are formed；The unit head 70 passes through it The guide plate 706 at the back side be installed on the guide rail of pile frame with polish drill rod 20, stirring drilling rod 1 and the lower brill of drilling tool 3 and lifting and Move down with it is up；The inclination sensor 707 for being installed on the back side of unit head 70 is connected to control in control cabinl pulpit by signal wire Panel；In this way, in construction, when pile-driving machine drilling rod and drilling tool deflection occurs in downward drilling and lifting stirring, tilt Deviation situation is delivered to the control panel of control cabinl pulpit by sensor 707 in time, and operator can hang pile-driving machine by adjusting The perpendicularity of pile driving frame column upper rail correct the deviation of drilling rod and drilling tool, to ensure that unit head drives drilling rod and drilling tool Moved down on column guide rail with it is up during control all the time in desired slant range, and effectively improve the vertical of drilled pile Precision, improve the effect of pile body and reduce pile body antiseepage leak resistance energy, so as to effectively improve construction quality and homework precision.

The first outer-hexagonal joint 82' for often arranging each upper end of polish drill rod 20 in polish drill rod is each individually connected to slow down Often arranging in adpting flange on the hexagonal shoulder nipple 81 of each lower end of adpting flange 705 outside the casing of case 703；Outside described first Hex union 82' is provided with two half slots 821 vertical with its axial centre and on two symmetrical outer-hexagonal faces, It is provided with the hexagonal shoulder nipple 81 vertical with its axial centre and by the outer wall through hexagonal shoulder nipple and two symmetrical interior six Two pin shaft holes 811 that edged surface is formed；In the installation of polish drill rod 20, when the outer-hexagonal joint of polish drill rod enters adpting flange After in hexagonal shoulder nipple, bearing pin is inserted in pin shaft hole, the connection for completing every polish drill rod and each adpting flange 705 locks； According to same method, the adjunction locking between every polish drill rod is completed.

Multigroup helical wing plate arranged on the outer wall of hollow rod body 10 in a manner of radial surround, every group of helical wing plate Between 2 hollow rod body 10 axial direction apart from equal；Multigroup helical wing plate and multigroup cutting blade are in hollow rod body 10 outer walls arranged crosswise from top to bottom；Multigroup helical wing plate of multiple rows of stirring drilling rod and multigroup cutting blade are outside hollow rod body 10 Intersect on wall and be arranged as multigroup helical wing plate above multigroup cutting blade；Multigroup cutting blade is in hollow rod body 10 It is also what is be equally spaced on outer wall, the first blade face 311,311 ' of the first blade 31,31 ' of every group of cutting blade 3 is level Arrangement and their first following 312, the 312 ' blade to tilt down, the second blade face 321 of the second blade 32,32 ', 321 ' difference are upwardly and downwardly arranged and their second following 322, the 322 ' blade to tilt down；First blade 31,31 ' and second blade 32,32 ' along the equiangularly spaced arrangement of the radial direction of hollow rod body 10；Above helical wing plate and cutting leaf The structure arrangement of piece, it is in order to which when stirring drilling rod drilling downward with drilling tool, multigroup helical wing plate and multigroup cutting blade be not Same direction participates in drilling and stirring, substantially improves the drilling and whipping performance of pile-driving machine, improves the operation effect of pile-driving machine Rate, it is easy to the pile quality of drilled pile to improve；The wearing plate 4 is installed in every group of helical wing plate 2, every group of cutting blade 3 respectively The first blade 31,31 ' and second blade 32,32 ' and the concentric free end arc surface of hollow rod body 1；010 upper end Second outer-hexagonal joint 82 " is provided with two semicircles vertical with its axial centre and on two symmetrical outer-hexagonal faces It is provided with groove 821, the second hexagonal shoulder nipple 81 of the lower end of hollow rod body 10 " vertical with its axial centre and by through the Two pin shaft holes 811 that the outer wall of two hexagonal shoulder nipples and two symmetrical interior hex surfaces are formed；Then, load in pin shaft hole After bearing pin, it is possible to ensure connection locking and the connection of every stirring drilling rod and every polish drill rod between every stirring drilling rod Locking；Helical wing plate 2 in multiple rows of stirring drilling rod on the hollow rod body 10 of the adjacent two stirring drilling rods 1 in front and rear and left and right Misplace arrangement on the axial direction of hollow rod body 10 respectively between cutting blade 3；Each of multiple rows of stirring drilling rod The maximum rotational trajectory of helical wing plate 2 and cutting blade 3 on the hollow rod body 10 of stirring drilling rod 1 is mutual in radial directions It is equitant；So, their anti-wear performance can be effectively improved, ensures drilling and stirring efficiency.

It is described per gang drill tool in the every upper end of drilling tool 30 outer-hexagonal joint 82 be equipped with it is vertical with its axial centre and Two half slots 821 on two symmetrical outer-hexagonal faces；The drilling tool body of each drilling tool 30 in every gang drill tool The outer-hexagonal joint 82 of 300 upper ends is connected to six in the second of the lower end of hollow rod body 10 of each stirring drilling rod in every gang drill bar In angle joint 81 "；The upper cutting wing 305 and the lower cutting wing 307 are double end form, their upper panel and lower panel difference By it is radial surround drilling tool body 300 in a manner of arrange on its external wall, they drilling tool body 300 radial direction formed one Determine the angle of angle；The upper panel of each upper panel 3052,3052 ' of the double end upper panel of the upper cutting wing 305 is following Cutter hub 3051 is cut on one row of each installation on 30521,30521 ', wherein, on the upper panel following 30521 of a upper panel 3052 The position of upper cutting cutter hub 3051 and the upper panel following 30521 ' of other end upper panel 3052 ' on upper cutting cutter hub 3051 Position be that space crossings arrange on rotational trajectory；The each upper panel 3052,3052 ' of every group of drilling tool 30 it is upper The lower panel following 30721,30721 ' of fin following 30521,30521 ' and each lower panel 3072,3072 ' is in drilling tool pipe The radial direction of body 300 forms angle γ=30~60 ° respectively；Under each head of the double end lower panel of the lower cutting wing 307 Bite body 3071 under one row of each installation on the lower panel following 30721,30721 ' of fin 3072,3072 ', wherein, under one The position of lower bite body 3071 on the lower panel following 30721 of fin 3072 and the lower panel of other end lower panel 3072 ' The position of lower bite body 3071 on following 30721 ' is that space crossings arrange on rotational trajectory；Every group of drilling tool 30 The upper cutting wing 305 upper cutting cutter hub 3051 and it is lower cutting the wing 307 lower bite body 3071 use hard alloy blocks system Into；This will effectively improve the drilling ability of pile-driving machine drilling tool, particularly be bored in the hard soil layer such as pebble layer and hard sand soil It can be cut during pick by different directions and angle, be advantageous to improve drilling effect, lower panel and upper and lower knife in reduction The abrasion condition of body, effectively improve efficiency of construction and reduce engineering cost；The drilling tool of each drilling tool 30 of multiple rows of drilling tool The maximum rotational trajectory of the upper cutting wing 305 and the lower cutting wing 307 on body 300 overlaps each other in radial directions； First aerofoil of each upper panel 3052,3052 ' of the upper cutting wing 305 of every group of drilling tool 30 be 30522 or with 30522 represent and the second aerofoil of each lower panel 3072,3072 ' of the lower cutting wing 307 is 30722 or with 30722 Represent each inclined in the same direction, wherein the angle between the first aerofoil 30522 and the longitudinal center line of drilling tool body 300 β 1=45~85 °, angle β 2=25~55 ° between the second aerofoil 30722 and the longitudinal center line of drilling tool body 300；This Design can effectively improve the drilling ability of drilling tool, fully tackle the hard stratum such as hard cobble and sand gravel, improve pile Efficiency, reduce drill tool wear and consumption；The drilling tool body 300 of the adjacent drilling tool 30 of front and rear and left and right two in multiple rows of drilling tool On the upper cutting wing 305 and it is lower cutting the wing 307 between respectively on the axial direction of drilling tool body 300 misplace arrangement；It is described resistance to Nog plate 4 is installed in the cutting wing 305 and the lower cutting wing 307 and the concentric free end arc surface of drilling tool body 300 respectively；To have Effect improves their anti-wear performance, ensures drilling and stirring efficiency；Such as stirred in the downward drilling of multiple rows of drilling tool and the upward brill that carries When, the cement grout slip casting of backstage filling system supply passes through multiple rows of hollow output shaft, multiple rows of note for stirring drilling rod, multiple rows of drilling tool Starch passage and grouting valve to whitewash to agitated loose soil layer, the stirring pile and improvement for being easy to native soil around are reinforced.

The middle part bearing support 50 be set with before and after adjacent and the polish drill rod 20 of left and right or stirring drilling rod 1 on, with They are oriented to and supported；The middle part bearing support 50 is to be located at its geometry by four outside leading trucks 502 and one The structure that centre frame 501 is formed by connecting, wherein, it is square that the centre frame 501, which has at the top of the outer end of four protrusions and outer end, Shape plate portion 5012；The outside leading truck 502 includes the first half barrels 5021 and the second half barrels 5022, wherein the second half One end outer wall of barrel 5022 is provided with the rectangular slab 5023 of a protrusion, the first half barrels 5021 and the second half barrels 5022 Docking forms outside guide pipe 5024；Four outsides leading truck 502 is then set with phase by outside guide pipe 5024 Adjacent back and forth or left and right is on totally four drilling rods 20, when when middle part, bearing support sets two or more, in drilling tool 30 and drilling rod It is arranged at intervals up and down on 20；Effectively to avoid, generation is rocked in polish drill rod and stirring drilling rod rotary course and bias, raising are bored The vertical precision of hole stake, ensure that hole quality reaches design requirement；Four outside guide pipes 5024 of the middle part bearing support 50 Endoporus be equipped with wear-resistant sleeve 503, the wear-resistant sleeve 503 is made up of two symmetrical semicircle neck bush；Here, wear-resistant sleeve can have Effect ensure drilling rod and drilling tool uniformly and it is steady it is lower bore and above carry, if wear-resistant sleeve inner wall abrasion reach to a certain degree occur drilling rod and It when drilling tool rocks, can easily carry out demolition and replacement, reduce the construction cost of user；The middle part bearing support (50) is along multiple rows of Drilling rod left and right directions arranged for interval.

The bearing support 60 is set on the front and rear and drilling tool body 300 of the drilling tool 30 of left and right two, to be led to them To and supporting；The bearing support 60 is the structure being formed by connecting by middle part bridge 601 and two the first hemizonid portions 602, institute Two ends for stating middle part bridge 601 are respectively a second hemizonid portion 6011, two first hemizonid portions 602 and middle part bridge Second hemizonid portion 6011 docking at 601 2 ends forms two guide rings 603, and they are set with back and forth or left and right two On the drilling tool body 30 of stirring drill tool；The bearing support 60 is along before and after multiple rows of stirring drill tool and the arranged for interval of left and right；The edge Multiple rows of stirring drill tool is front and rear and the spaced apart bearing support 60 in left and right can connect their the first semi-ring by additional connecting rod Body portion 602 forms bearing support group；Rocked and eccentric with effectively avoiding producing in drilling tool rotary course, be easy to drilling tool drilling ability The vertical precision of drilled pile is played and improved, ensures that hole quality reaches design requirement；In the guide ring 603 of the bearing support 60 Provided with wear-resistant sleeve 6031, the wear-resistant sleeve 6031 is made up of two symmetrical semicircle bushings；This wear-resistant sleeve have with it is above-mentioned wear-resisting Cover 503 same performances and effect.

Embodiment 2：

The structure of the present embodiment is substantially identical with above-described embodiment 1, simply each upper panel of every group of drilling tool Upper panel below and the lower panel of each lower panel forms angle γ=85 respectively in the radial direction of drilling tool body below ~95 ° of difference.

Embodiment 3：

The structure of the present embodiment is substantially identical with above-described embodiment 1, in addition to the often row of the often row stirring drilling rod cuts Cut the first following 312 of the first blade 31,31 ' of blade, 312 ' and second blade 32,32 ' second following 322,322 ' One row is installed and cuts cutter hub 35, their position is that space crossings arrange on rotational trajectory.

Embodiment 4：

The structure of the present embodiment is substantially identical with above-described embodiment 1 and embodiment 3, and simply every group of drilling tool is each Lower panel of the upper panel of head upper panel below with each lower panel forms folder respectively in the radial direction of drilling tool body below The difference of angle γ=85~95 °.

Claims (14)

1. a kind of pile-driving machine, including：

Unit head（70）, including lifting tackle group（701）, containing multiple rows of hollow output shaft（7031）With the reduction box of power source （703）, revolution filling adaptor（704）, multiple rows of contain hexagonal shoulder nipple（81）Adpting flange（705）, be arranged at unit head（70） The guide plate at the back side（706）And inclination sensor（707）；

Multiple rows of polish drill rod, often arranging polish drill rod includes more hollow polish drill rods（20）, they are arranged in a straight line with back and forth or left and right, and It is relatively parallel between row and row, every hollow polish drill rod（20）Including：Some equal lengths or hollow stem not etc.（201）, with And by they and multiple rows of output flange（705）Connection and the first outer-hexagonal joint that they are mutually connected to each other（82'）With One hexagonal shoulder nipple（81'）；

Multiple rows of stirring drilling rod, often arranging multiple rows of stirring drilling rod includes more stirring drilling rods（1）, it is connected to every hollow polish drill rod（20） Lower end, every stirring drilling rod（1）Including：Hollow rod body（10）, be arranged at hollow rod body（10）The slip casting passage of inner chamber（11）、 Positioned at hollow rod body（10）Second outer-hexagonal joint of upper and lower ends（82"）With the second hexagonal shoulder nipple（81"）；It is arranged at hollow The body of rod（10）The helical wing plate of outer wall（2）With cutting blade（3）, wherein, cut blade（3）Including two the first blades（31, 31’）With two the second blades（32,32 '）；And wearing plate（4）；

Multiple rows of drilling tool, per gang drill, tool includes some drilling tools（30）, it is connected to every stirring drilling rod（1）Hollow rod body（10）It Lower end, every drilling tool（30）Including：Drilling tool body（300）, be arranged at drilling tool body（300）Internal injected hole（301）, be located at The grouting valve of its lower end（302）With outer-hexagonal joint（82）；The upper cutting wing（305）, including upper cutting cutter hub（3051）And upper limb Piece（3052,3052 '）；The lower cutting wing（307）, including lower bite body（3071）And lower panel（3072,3072 '）；It is and resistance to Nog plate（4）；

Middle part bearing support（50）And bearing support（60）；

Multigroup helical wing plate；

It is characterized in that：

The lifting tackle group（701）And reduction box（703）It is located at unit head respectively（70）Upper rack and inside, it is described more Arrange hollow output shaft（7031）Pass perpendicularly through reduction box（703）Casing and case lid, their upper end be fixedly mounted with revolution slip casting connect Head（704）, their lower end is fixedly mounted with multiple rows of adpting flange（705）；Multiple rows of hollow output shaft（7031）With multiple rows of connection method It is blue（705）Setting quantity and multiple rows of polish drill rod（20）Unanimously, it is described often to arrange hollow output shaft（7031）With every row's adpting flange （705）There are more hollow output shafts（7031）With multiple adpting flanges（705）；The adpting flange（705）Bottom it is interior Hex union（81）In be provided with it is vertical with its axial centre and by the symmetrical interior hex surface of the outer wall through hexagonal shoulder nipple and two Two pin shaft holes formed（811）；The unit head（70）Pass through the guide plate at its back side（706）It is installed on the guide rail of pile frame On with polish drill rod（20）, stirring drilling rod（1）And drilling tool（30）Lower brill and lifting and move down with it is up；It is installed on unit head （70）The back side inclination sensor（707）The control panel being connected to by signal wire in control cabinl pulpit；

It is described often to arrange each polish drill rod in polish drill rod（20）First outer-hexagonal joint of upper end（82'）It is each individually connected to slow down Case（703）Casing outside often row adpting flange in each adpting flange（705）The hexagonal shoulder nipple of lower end（81）On；It is described First outer-hexagonal joint（82'）Be provided with it is vertical with its axial centre and be located on two symmetrical outer-hexagonal faces two and half Circular groove（821）, the hexagonal shoulder nipple（81）In be provided with it is vertical with its axial centre and by the outer wall through hexagonal shoulder nipple and Two pin shaft holes that two symmetrical interior hex surfaces are formed（811）；

Multigroup helical wing plate is in hollow rod body（10）Arranged on outer wall in a manner of radial surround, every group of helical wing plate （2）Between in hollow rod body（10）Axial direction apart from equal；Multigroup helical wing plate and multigroup cutting blade are hollow The body of rod（10）Outer wall arranged crosswise from top to bottom；Multigroup cutting blade is in hollow rod body（10）Outer wall on and it is equidistant Arrangement, every group of cutting blade（3）The first blade（31,31 '）The first blade face（311,311 '）Be arranged horizontally and they It is first following（312,312 '）For the blade tilted down, the second blade（32,32 '）The second blade face（321,321 '）Respectively Upwardly and downwardly arrange and their second is following（322,322 '）For the blade tilted down；First blade（31, 31’）With the second blade（32,32 '）Along hollow rod body（10）The equiangularly spaced arrangement of radial direction；The wearing plate（4）Respectively It is installed in every group of helical wing plate（2）, every group of cutting blade（3）The first blade（31,31 '）With the second blade（32,32 '）With sky Core bar body（10）Concentric free end arc surface；The hollow rod body（10）Second outer-hexagonal joint of upper end（82"）On set There are two half slots vertical with its axial centre and on two symmetrical outer-hexagonal faces（821）, the hollow rod body （10）Second hexagonal shoulder nipple of lower end（81"）In be provided with it is vertical with its axial centre and by through the second hexagonal shoulder nipple Two pin shaft holes that outer wall and two symmetrical interior hex surfaces are formed（811）；In multiple rows of stirring drilling rod it is adjacent front and rear and The stirring drilling rod of left and right two（1）Hollow rod body（10）On helical wing plate（2）With cutting blade（3）Between respectively in hollow stem Body（10）Axial direction on misplace arrangement；Each stirring drilling rod of multiple rows of stirring drilling rod（1）Hollow rod body（10） On helical wing plate（2）With cutting blade（3）Maximum rotational trajectory overlap each other in radial directions；

Every drilling tool in every gang drill tool（30）The outer-hexagonal joint of upper end（82）It is equipped with and position vertical with its axial centre Two half slots on two symmetrical outer-hexagonal faces（821）；Each drilling tool in every gang drill tool（30）Drilling tool pipe Body（300）The outer-hexagonal joint of upper end（82）It is connected to the hollow rod body of each stirring drilling rod in every gang drill bar（10）Lower end Second hexagonal shoulder nipple（81"）It is interior；The upper cutting wing（305）With the lower cutting wing（307）It is double end form, their upper limb Piece and lower panel surround drilling tool body with radial respectively（300）Mode arrange that on its external wall they are in drilling tool body （300）Radial direction formed certain angle angle；The upper cutting wing（305）Double end upper panel each upper panel （3052,3052 '）Upper panel it is following（30521,30521 '）Cutter hub is cut on one row of upper each installation（3051）, wherein, one Upper panel（3052）Upper panel it is following（30521）On upper cutting cutter hub（3051）Position and other end upper panel （3052’）Upper panel it is following（30521’）On upper cutting cutter hub（3051）Position be on rotational trajectory space crossings row Row；The lower cutting wing（307）Double end lower panel each lower panel（3072,3072 '）Lower panel it is following （30721,30721 '）Bite body under one row of upper each installation（3071）, wherein, a lower panel（3072）Lower panel it is following （30721）On lower bite body（3071）Position and other end lower panel（3072’）Lower panel it is following（30721’）On Lower bite body（3071）Position be that space crossings arrange on rotational trajectory；The wearing plate（4）It is installed in respectively The upper cutting wing（305）With the lower cutting wing（307）With drilling tool body（300）Concentric free end arc surface；

The adjacent drilling tool of front and rear and left and right two in multiple rows of drilling tool（30）Drilling tool body（300）On the upper cutting wing （305）With the lower cutting wing（307）Between respectively in drilling tool body（300）Axial direction on misplace arrangement；Multiple rows of drilling tool Each drilling tool（30）Drilling tool body（300）On the upper cutting wing（305）With the lower cutting wing（307）Maximum rotational trajectory Overlap each other in radial directions；

The middle part bearing support（50）It is set with before and after adjacent and the polish drill rod of left and right（20）Or stirring drilling rod（1）On, To be oriented to and be supported to them；

The bearing support（60）It is set in the front and rear and drilling tool of left and right two（30）Drilling tool body（300）On, to be carried out to them It is oriented to and supports.

2. pile-driving machine according to claim 1, it is characterised in that：The often row cutting blade of the often row stirring drilling rod First blade（31,31 '）It is first following（312,312 '）With the second blade（32,32 '）It is second following（322,322 '） One row is installed and cuts cutter hub（35）, their position is that space crossings arrange on rotational trajectory；Multigroup cutting blade The first blade（31,31 '）With the second blade（32,32 '）On cutting cutter hub（35）It is made of hard alloy blocks.

3. pile-driving machine according to claim 1, it is characterised in that every group of drilling tool（30）Each upper panel （3052,3052 '）Upper panel it is following（30521,30521 '）With each lower panel（3072,3072 '）Lower panel it is following （30721,30721 '）In drilling tool body（300）Radial direction form angle γ=30~60 ° respectively.

4. pile-driving machine according to claim 1, it is characterised in that every group of drilling tool（30）Each upper panel （3052,3052 '）Upper panel it is following（30521,30521 '）With each lower panel（3072,3072 '）Lower panel it is following （30721,30721 '）In drilling tool body（300）Radial direction form angle γ=85~95 ° respectively.

5. pile-driving machine according to claim 1, it is characterised in that every group of drilling tool（30）The upper cutting wing（305）'s Each upper panel（3052,3052 '）The first aerofoil（30522）With the lower cutting wing（307）Each lower panel（3072, 3072’）The second aerofoil（30722）It is each inclined in the same direction, wherein the first aerofoil（30522）With drilling tool body （300）Longitudinal center line between 1=45~85 ° of angle β, the second aerofoil（30722）With drilling tool body（300）Axial direction in 2=25~55 ° of angle β between heart line.

6. pile-driving machine according to claim 1, it is characterised in that every group of drilling tool（30）The upper cutting wing（305）'s Upper cutting cutter hub（3051）With the lower cutting wing（307）Lower bite body（3071）It is made of hard alloy blocks.

7. pile-driving machine according to claim 1, it is characterised in that the middle part bearing support（50）It is to be led by four outsides To frame（502）With a centre frame for being located at its geometry（501）The structure being formed by connecting, wherein, the centre frame（501）Tool It is rectangular panel portion to have at the top of the outer end of four protrusions and outer end（5012）；The outside leading truck（502）Including the first half cylinders Portion（5021）With the second half barrels（5022）, wherein the second half barrels（5022）One end outer wall be provided with one protrusion rectangle Plate（5023）, the first half barrels（5021）With the second half barrels（5022）Docking forms outside guide pipe（5024）；It is described Four outside leading trucks（502）Pass through outside guide pipe（5024）Then it is set with adjacent back and forth or left and right totally four drilling rods （20）On, when when middle part, bearing support sets two or more, in drilling tool（30）And drilling rod（20）It is arranged at intervals up and down.

8. pile-driving machine according to claim 7, it is characterised in that the middle part bearing support（50）Along multiple rows of drilling rod or so Direction arranged for interval.

9. pile-driving machine according to claim 1, it is characterised in that：The bearing support（60）It is by middle part bridge（601） With two the first hemizonid portions（602）The structure being formed by connecting, the middle part bridge（601）Two ends be respectively one the second half Ring body portion（6011）, two first hemizonid portions（602）With middle part bridge（601）The second hemizonid portion at two ends（6011） Docking forms two guide rings（603）, they are set with the drilling tool body of the stirring drill tool of back and forth or left and right two（300） On.

10. pile-driving machine according to claim 8, it is characterised in that the bearing support（60）Along before multiple rows of stirring drill tool Afterwards and left and right arranged for interval.

11. according to the pile-driving machine described in claim 1,9 or 10, it is characterised in that：The bearing support（60）Can be by additional Connecting rod connect their the first hemizonid portion（602）Form bearing support group.

12. according to the pile-driving machine described in claim 1,7 or 8, it is characterised in that the middle part bearing support（50）Four it is outer Side guide pipe（5024）Endoporus be equipped with wear-resistant sleeve（503）, the wear-resistant sleeve（503）By two symmetrical semicircle liner set groups Into.

13. pile-driving machine according to claim 12, it is characterised in that the bearing support（60）Guide ring（603）Inside set There is wear-resistant sleeve（6031）, the wear-resistant sleeve（6031）It is made up of two symmetrical semicircle bushings.

14. pile-driving machine according to claim 1, it is characterised in that it is described it is multiple rows of stirring drilling rod multigroup helical wing plate and Multigroup cutting blade is in hollow rod body（10）Intersect on outer wall and be arranged as multigroup helical wing plate above multigroup cutting blade.