The method of utilizing the taper pile construction drill to be constructed
Technical field
The present invention relates to a kind of method of utilizing the taper pile construction drill to be constructed, can complete fast the construction of required angle taper pile, belong to engineering construction field.
Background technology
At present, the Support during Old City Reconstruction in urban construction, due to many factors such as the requirements such as the requirement of people's air defense, urban operating mechanism parking, factor that land price is high, city planning limits for height, generally newly-built, reconstruction and extension project all can design basement.The construction of basement foundation ditch, due to the impact of the underground space and to the protection requirement of Nearby Structure, underground municipal pipeline, generally all will carry out strict Foundation Pit Support Design construction.Support system commonly used has pile-anchor supporting system and bracing of soil nailed wall system at present, especially bracing of soil nailed wall is, because it is cheap, in engineering, widely apply, the current restriction due to technology and equipment, bracing of soil nailed wall system mostly is vertical mini pile, and supporting and protection structure is stressed not too reasonable, and cost is also higher.There is no a kind of job practices and the equipment taper pile of constructing fast in prior art, make it to be applied to the panel of composite soil nailing wall.
Also has a kind of Retaining Structure with Double-row Piles in pattern foundation pit supporting structure, in Retaining Structure with Double-row Piles, what adopt now is all also plumb pile, if Double-row-piles Structure can be constructed into to the taper pile along excavation face, also can make the more reasonable stress of supporting and protection structure, it is main making being curved of interior campshed become pressurized, can reduce the use of great deal of steel, saves building materials and reduces cost.
Summary of the invention
The object of the invention has been to provide a kind of taper pile construction drill job practices of utilizing, and efficiency of construction is high and environment friendly and pollution-free.
To achieve these goals, the present invention is by the following technical solutions:
A kind of method of utilizing the taper pile construction drill to be constructed, described taper pile construction drill comprises drilling tool, base assembly, is arranged on running gear, the slew gear between base assembly and running gear of base assembly below, also is provided with electrical distribution system, hydraulic power unit and control system on the base assembly; Drilling tool comprises unit head, sleeve pipe and drill bit; Be provided with pylon on the base assembly, between pylon one end and base, be rotationally connected, the other end is free end, and between pylon and base, be provided with for regulating the adjusting cylinder of pylon and base angle, pylon is provided with the slips slideway along its length, slips coordinates with the slips slideway, and slips is connected with drilling tool, and the pylon both sides arrange respectively a set of transmission for driving drilling tool to move along the tower length direction; Unit head is hollow structure, the built-in key that there are a plurality of protrusions in hole, sleeve pipe is divided into sleeve pipe and setting of casing, upper sleeve pipe vacancy from unit head is passed, upper end connects grouting converter, and upper sleeve pipe side is provided with the keyway that built-in key is corresponding, and lower end is connected with setting of casing, drill bit is installed in the setting of casing lower end, comprises the following steps:
1) the taper pile construction drill is reached to job site, angle adjustment pylon according to design, make drill bit aim at the stake position that measurement and positioning is good, close drill bit bottom valve, open electrical distribution system, controlling drilling tool by control system is rotated in the forward, start transmission simultaneously, making unit head drive drilling tool moves downward, when unit head runs down to the pylon bottom, transmission is out of service, unit head stops operating, reverse micro-the turning of unit head afterwards, make the built-in key of unit head exit the keyway of sleeve pipe, start the transmission inverted running, unit head is moved to the pylon upper end, to keyway place, sleeve pipe upper end, transmission is out of service, start the running of unit head forward, make built-in key enter keyway, starting transmission moves downwards, until drill bit reaches projected depth,
2) stop drill bit movement, start concrete pump or mortar pump, by pipeline and the drilling tool hollow position good to above-mentioned brill the stake hole in pumping of concrete or mortar, start simultaneously and make the drill bit reverse rotation, and utilize the transmission reverse drive, making unit head drive drilling tool moves upward, according to the reverse operating crept into, until drill bit leaves the soil body, during this period, concrete pump or mortar pump coordinate drilling tool to move continuously, make concrete be full of the stake hole that the drill bit extrusion soil forms always, until drill bit leaves the soil body, the stake hole that now the drill bit extrusion soil forms is full of by concrete fully,
3) insert shaped steel or reinforcing cage pile according to designing requirement in concrete;
4) start taper pile construction drill running gear, mobile drill is to next position, according to said method order pile.
The above-mentioned utilization in the method that the taper pile construction drill constructed, transmission is sprocket wheel chain pair or rack-and-pinion.
The above-mentioned utilization in the method that the taper pile construction drill constructed, a hydraulic motor is equipped with respectively at described sprocket wheel pylon two ends, and transmission is sprocket wheel chain pair, and sprocket wheel is connected with hydraulic motor, and chain is connected with unit head.
The above-mentioned utilization in the method that the taper pile construction drill constructed, the taper pile construction drill also includes the hoist engine be arranged on the base assembly.
The above-mentioned utilization in the method that the taper pile construction drill constructed, when pylon and base angle are 45 °-90 °, the taper pile construction drill also includes bearing diagonal, and this bearing diagonal one end is arranged on respectively base after-poppet both sides, and the other end is connected with pylon.
The above-mentioned utilization in the method that the taper pile construction drill constructed, the taper pile construction drill also includes the hydraulic leg be arranged on the base assembly.
Construction of the present invention, compare with original technology, has following advantage:
1, this engineering method adopts the sleeve rotating compact making hole, and the stake end does not have loosened soil, has increased substantially bearing capacity of pile tip, has reduced the settling amount of stake; Do not need mud, there is no the pollution of mud fully, more there is no the pollution of mud conditioning to environment, very environmental protection.
2, this engineering method does not have the mud skin, and reversion proposes the roughness that sleeve pipe can increase the stake surface, can also adopt simultaneous techniques as required, make the stake surface form shape of threads, increase substantially the stake frictional force in week, can effectively bring into play the mechanical property of material, can save a large amount of building materials.
3, rig moment of torsion of the present invention is very large, and water booster system is arranged, and can guarantee that sleeve pipe puts in place fast, and can enter rock.
4, efficiency of construction is high, and the construction that traditional handicraft completes an anchor pole needs 2-3 hour, and this engineering method only needs 20 minutes;
5, integrated cost is low, and this engineering method one bench drill function is supported upper traditional rig more than ten, and this engineering method rig only needs 5 people's operations, and ten traditional bench drill machines approximately need 40-50 people's construction, thereby cost of labor reduces;
6, the drilling tool of rig is disposable is in place, and does not need installation, dismounting drilling tool repeatedly in work progress, has saved the time, has reduced labour intensity, has also avoided the potential safety hazard of frequent installation, dismounting drilling rod.
The accompanying drawing explanation
The structural representation that Fig. 1 is the selected embodiment of the present invention.
Fig. 2 is pylon structural representation while being vertical state.
Fig. 3 is slips and slips passage syndeton schematic diagram in pylon.
Fig. 4 is unit head and casing-pipe connection structure schematic diagram.
In figure 1, drill bit, 2, pylon, 3, hydraulic motor, 4, upper sleeve pipe, 5, chain, 6, regulate cylinder, 7, electrical distribution system, 8, control system, 9, unit head, 10, setting of casing, 11, hydraulic power unit, 12, running gear, 13, slew gear, 14, the base assembly, 15, hoist engine, 16, hydraulic leg, 17, fore-stock, 18, after-poppet, 19, the slips slideway, 20, slips, 21, keyway, 22, built-in key, 23, grouting converter, 24, bearing diagonal.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details, following explanation is only exemplary, does not limit protection scope of the present invention.
embodiment 1
With reference to accompanying drawing 1,2, a kind of taper pile construction drill, comprise drilling tool, base assembly 14, be arranged on the hydraulic leg 16 on base assembly 14, the running gear 12 that is arranged on base assembly 14 belows, the slew gear 13 between base assembly 14 and running gear 12, also be provided with electrical distribution system 7, hydraulic power unit 11 and control system 8 on base assembly 14; Drilling tool is arranged on pylon 2, and drilling tool comprises upper sleeve pipe 4, unit head 9, setting of casing 10 and the drill bit 1 set gradually; Base assembly 14 two ends arrange respectively fore-stock 17 and after-poppet 18, are provided with pylon 2 on base; Fore-stock 17 on pylon 2 one ends and base is rotatably connected by rotating shaft, and the other end is free end, and between pylon 2 and base, is provided with for regulating the adjusting cylinder 6 of pylon 2 and base angle; With reference to figure 3, pylon 2 is provided with slips slideway 19 along its length, and slips 20 coordinates with slips slideway 19, and slips 20 is connected with unit head; Pylon 2 both sides arrange respectively a set of transmission for driving drilling tool to move along pylon 2 length directions.
embodiment 2
On the basis of embodiment 1, the preferred technical scheme of the present invention is: transmission is sprocket wheel chain pair or rack-and-pinion.
embodiment 3
On the basis of embodiment 2, the preferred technical scheme of the present invention is: with reference to accompanying drawing 1,2, a hydraulic motor 3 is equipped with respectively at described sprocket wheel pylon 2 two ends, transmission is sprocket wheel chain pair, sprocket wheel is connected with hydraulic motor 3, chain 5 is connected with unit head 9, utilizes hydraulic motor 3 and chain 5 to drive unit head 9 to move along slips slideway 19 directions.
embodiment 4
On the basis of embodiment 1 or 2 or 3, the preferred technical scheme of the present invention is: with reference to accompanying drawing 4, unit head 9 is hollow structure, the built-in key 22 that there are a plurality of protrusions in hole, sleeve pipe is divided into sleeve pipe 4 and setting of casing 10, and upper sleeve pipe upper end connects grouting converter 23, upper sleeve pipe 4 from unit head 9, vacate through, and upper sleeve pipe 4 sides are provided with the built-in key 22 of the unit head 9 of keyway 21 correspondences, upper sleeve pipe 4 lower ends are connected with setting of casing 10, and drill bit 1 is installed in the setting of casing lower end.
embodiment 5
On the basis of embodiment 1 or 2 or 3, the preferred technical scheme of the present invention is: with reference to accompanying drawing 1,2, the taper pile construction drill also includes the hoist engine 15 be arranged on base assembly 14, for promoting anchor cable, reinforcing bar, sleeve pipe etc.
embodiment 6
On the basis of embodiment 1 or 2 or 3, the preferred technical scheme of the present invention is: with reference to accompanying drawing 2, when pylon 2 and base angle are 45 °-90 °, the taper pile construction drill also includes bearing diagonal 24, these bearing diagonal 24 1 ends are arranged on respectively after-poppet 18 both sides on base 14, and the other end is connected with pylon 2.Adopt this structure can guarantee stability and the safety of pylon 2.
A kind of method of utilizing the taper pile construction drill to be constructed,
1) the taper pile construction drill is reached to job site, angle adjustment pylon 2 according to design, make drill bit 1 aim at the stake position that measurement and positioning is good, close drill bit 1 bottom valve, open electrical distribution system 7, controlling drilling tool by control system 8 is rotated in the forward, start transmission simultaneously, making unit head 9 drive drilling tool moves downward, when unit head 9 runs down to the pylon bottom, transmission is out of service, unit head 9 stops operating, reverse micro-the turning of unit head 9 afterwards, make the built-in key of unit head 9 exit the keyway 21 of sleeve pipe 4, start the transmission inverted running, make unit head 9 to pylon 2 upper end operations, supreme sleeve pipe 4 upper end keyway 21 places, transmission is out of service, start unit head 9 forward runnings, make built-in key 22 enter keyway, starting transmission moves downwards, until drill bit reaches projected depth,
2) stop drill bit 1 motion, start concrete pump or mortar pump, by pipeline and the drilling tool hollow position good to above-mentioned brill the stake hole in pumping of concrete or mortar, start simultaneously and make drill bit 1 reverse rotation, and utilize the transmission reverse drive, making unit head 9 drive drilling tool moves upward, until drill bit 1 leaves the soil body, during this period, concrete pump or mortar pump coordinate drilling tool to move continuously, make concrete or mortar be full of the stake hole that drill bit 1 extrusion soil forms always, until drill bit 1 leaves the soil body, the stake hole that now drill bit 1 extrusion soil forms is full of by concrete or mortar fully,
3) insert shaped steel or reinforcing cage pile according to designing requirement in concrete;
4) start taper pile construction drill running gear 12, mobile drill is to next position, according to said method order pile.
The method of utilizing the taper pile construction drill to be constructed of the present invention, composite soil nailing wall system and the double-row pile system that can be applied in foundation pit supporting system exist, and the excavation of foundation pit face is domatic.Utilize the method for utilizing the taper pile construction drill to be constructed of the present invention, coordinate grouting converter 23 can complete the construction of anchor rod of rotary extruding casing, wherein grouting converter 23 disclosed in No. 2011200778344 patent document of China national Department of Intellectual Property, and anchor rod of rotary extruding casing disclosed in No. 2011200935699 patent document of China national Department of Intellectual Property.
Above embodiment is only for illustrating that technical scheme of the present invention is not intended to limit; although by embodiment, the present invention is had been described in detail; affiliated field personnel should modify or the part technical characterictic is equal to replacement with reference to concrete mode of the present invention; but under the spirit that does not break away from technical solution of the present invention, above-mentioned change or be equal to replacement and should belong in the technical scheme scope that the present invention asks for protection.