CN201826301U - Multi-plate one-step forming device for cast-in-place concrete piles - Google Patents

Abstract

The utility model belongs to the technical field of piling machines in the construction industry, and relates to a multi-plate one-step forming device for cast-in-place concrete piles, which adopts pressure injection and embedded with a vibrator. An internal structure body A and an internal structure body B are both circular tubular or rectangular hollow-out, at least two rectangular supporting beams in the length equal to that of the internal structure bodies and at least two butting cushion caps in the length equal to that of the internal structure bodies are uniformly distributed along the Y-axis annularly, the internal structure body A is a base section, a flange is arranged at the top of the internal structure body A, the lower end of the internal structure body A without the flange is provided with a mounting base for a butt bin, a high-pressure guniting system and an expanding system, the upper end and the lower end of the internal structure body B are both provided with flanges, the internal structure body A is connected with the flange at the bottom of the internal structure body B through the flange and flange bolts at the top of the internal structure body A. The multi-plate one-step forming device is simple in main structure, safe and reliable in construction operation, convenient in construction procedure, high in friction resistance of moll soil, and fine construction environment, and leads bearing capacity of piles to be strong.

Description

A kind of multi-disk pouring pile one-step molding device

Technical field:

The utility model belongs to building trade piling machinery and construction field, relates to built-in multi-disk pouring pile one-step molding device of a kind of slip casing by pressure and vibrator and job practices thereof.

Background technology:

At present both at home and abroad at non-uniform pile or claim squeezed limb disc stake, rammer (pressure) to expand aspects such as stake, shaped pile to have many mature technology equipment and job practicess: the one, squeezed type stake, representational stake type such as squeezed limb disc stake are adopted boring, special-purpose squeezed device reaming, machine of the clear ends three to intersect and are used, improved bearing capacity (uplift resistance) problem of castinplace pile to a great extent, economic benefit is obvious, is the domestic relatively stake type in forward position; But it exists three complete equipments intersection to use, often squeezed repeatedly behind the pore-forming, the time hole of collapsing arranged, at saturability clay, weak soil and to do in the sand, gravel soil layer of operation pore-forming the pile rate undesirable, the compliance of soil layer is subjected to certain limitation, shortcoming such as contain that a large amount of mud are got rid of and single pile is long in time limit; The 2nd, paddle type mill compaction pile and static pressure type companding stake technology only are provided with an expansion dish in the end, and to the degree of depth being set and soil layer has higher requirements, usage range is narrower; The 3rd, artificial reaming or water under high pressure (aqueous slurry or other chemical grouts) punching-expanding type technology adopts manually to dig behind the pore-forming and expands into dish or high pressure water impact cuts into dish, and its bearing capacity is difficult to improve, and gets half the result with twice the effort; The 4th, the machine cut formula is about to be installed in the cutting tool on the rotation armed lever, under the turning arm brute force, the peripheral soil body is progressively cut the cylindrical disk body of certain altitude and diameter, and the bearing capacity of this method improves small; The 5th, the explosion extruded and extended pile utilizes the big head of the squeezed one-tenth of explosive charge power, and its suitable application region is limited and be shaped wayward; The 6th, external Shen Pu lux stake (Simplex pile) and flange gram stake (Franki pile), similar domestic compaction pile is extruded conical stake footwear and filler by force or is leaned on cylindrical steel hammer deadweight freely falling body to impact filler till stake end enlarged footing forms by pipe in the hammering; The 7th, Japanese Kubo field ironworker's strain formula meeting special-purpose reaming equipment (can become the more piece disk body) adopts boring, rotary squeezed hole and the machine unification enforcement of the clear ends three to become polydisc body castinplace pile, but its equipment manufacturing cost height, the suitable soil layer scope is narrow; The 8th, the prefabricated full thread stake of Japanese steel fibre, its pile body integral body is helicitic texture, is convenient to increase and soil body friction area, improve bearing capacity of single pile, but equipment energy consumption is too big, the bearing capacity of single pile increase rate is undesirable; The 9th, the spiral of domestic invention squeezes hole pouring pile, cardinal principle is to become shape of threads with special facility extrusion soil, pumping of concrete moulding in the pipe, enlarge stake side frictional resistance area and improved pile capacity, and helical burr ram increases to pile capacity in suitable soil layer, but is difficult to be shaped in weak soil and effect and not obvious; The tenth, automatic compandor companding stake technology, be the applicant at this devices of a plurality of expansion dishes of the pile body realized that are used with static(al) stake machine of invention in 2006, because of belonging to the tube-sinking cast-in-situ pile type, can not avoid the pile body necking down, the jacking common fault that cause because of excess pore water pressure in the soft layer fully, and stake long ≯ 20 meter, job practices is to begin the expansion dish from the bottom, as implement a plurality of expansion disk bodies and then can not lay reinforcing cage, become the stake of plain concrete polydisc body, its range of application is limited, and in the middle of the soft layer during suitable interlayer the bearing capacity of single pile difficulty reach expection.

In sum, safety of soft clay area pile foundation and economy are technological difficulties, being generally less than 20 layers of left and right sides building, to use the PHC pile tube in weak soil more, but its metal welding joints of PHC pile tube and the congenital deficiency of hollow section rigidity, its durability and shock resistance also are left to be desired, and use single-column cushion cap stake number many in high level, and basic volume is excessive, the foundation cost raises, the cost performance gesture status that tends to become weak; Large-diameter deep long drilled holes castinplace pile adopts the mud off pore-forming, mud is made and is had relatively high expectations, mud eliminating amount is very big, particularly groundwater resources consumption and pollution are more serious in the construction, on-the-spot highly civilized health is poor, when meeting underground circulating water even dynamic pressure water, and the pore-forming difficulty, the scope of application also becomes in certain limitation, and the bearing capacity of straight-bar castinplace pile is because birth defects such as the critical depth of stake and stake dimensional effect can not have the breakthrough of matter.

Summary of the invention:

The purpose of this utility model is to overcome the shortcoming that prior art exists, seek to design a kind of slip casing by pressure and built-in vibrator formula polydisc body castinplace pile device and job practices, solve effectively in the present weak soil that bearing capacity of single pile comprises that uplift resistance, anti-seismic performance are difficult to the technical barrier that improves when not having than hard interbedded layer.

To achieve these goals, the utility model device main body structure is made up of pile body structure, high-pressure slip-casting system and expansion disc system three parts; The pile body structure comprises inner structure A body, inner structure B body, external structure body, arc, brace summer, butt joint cushion cap, vibrator, vibrator holder, vibrator fixedly card, power line, cooling water water inlet pipe and water outlet pipe, flange, flange bolt, vibration damping pad and attachment screw; Inner structure A body, inner structure B body are round tubular or the rectangle hollow shape, along y axially annular uniform more than at least two with the square type brace summer of the isometric size of structure therein, article two, more than with the cushion cap that docks of the isometric size of structure therein, the size of inner structure A body and inner structure B body, shape, structure basically identical, inner structure A body is a fundamental segment, the top is provided with flange, does not manage the installation matrix of blue lower end for butt joint storehouse, high-pressure mortar spraying system and expansion disc system, is provided with datum length; Inner structure B body upper and lower side is equipped with flange, is convenient to other joint butt joint or dismounting, satisfies the active section of the different pile foundation degree of depth and movement requirement, and length is optional; Inner structure A body is elongated hollow circular tubulose or rectangle hollow tubulose, and flange and the flange bolt by its top is connected with the flange of inner structure B body bottom to adjust the pile body length overall; Inner structure A body lower end by external screw thread with dock storehouse internal thread its bottom face that spins and hold out against in the butt joint storehouse on the shoulder, arc is crossed over butt joint its lower end of horizontal joint, storehouse and is fixed on outside the butt joint storehouse in the shoulder with attachment screw, the upper end is fastened on the inner structure A body brace summer with screw, become to socket state to increase inner structure A body and bonding strength that docks the storehouse and sealing, guarantee that power transmission is reliable; The butt joint cushion cap lay side by side two arc y axial in conjunction with end face, the axial x axial end of arc y is equipped with seal sealing effectiveness when docking up and down about arc to increase, and prevents to produce the seepage phenomenon; The external structure body be divided into more than at least two and have certain-length and the arc of thickness (as be divided into two then for semicircle, four then be 1/4 arc), its inboard radian is consistent with brace summer end face radian, arc forms a cylindrical external structure body to being bonded into the back, its center of circle overlaps with the structure therein center of circle, and the cylinder external diameter is the main footpath of a stake size; Arc axially whenever is separated by a segment distance with attachment screw and brace summer with dock cushion cap and be fastenedly connected and be integral along y, along the axial grouping-hierarchy of the inboard y of arc the vibrator holder is installed, one group every layer, along the inboard horizontal circle of external structure body at least more than one vibrator holder is installed for every group, mainly long-pending and corresponding soil layer proterties, vibrator technical data etc. are provided with or adjust the vibrator quantity of the work of participating in according to thickness, material, the external structure body periphery of arc for its group number and number; Vibrator is circular or square or flat, and the fluid pressure type vibrator all can reach effect same as vibration source; Brace summer, butt joint cushion cap end face are equipped with the vibration damping pad, shake by force to the transmission of structure therein to deaden or to weaken, preventing that concrete from crossing shakes and concrete is produced from the wash rice phenomenon, the Vibration on Start-up device, its most exciting forces will pass to external structure body arc by holder, arc is produced than large amplitude, and the transmission of amplitude makes the soil body that bonds around the external structure body be activated from static state and change into dynamically, reduces pile extraction resistance about 90%.

Inner structure A body of the present utility model, inner structure B body top are equipped with same flange and supply to install the hole of various pipeline power lines, and be interchangeable; The monolithic arc of all flange joints is installed to save up and down and is connected the overlap joint certain-length and play the strengthening action of bearing compressive stress and tensile stress jointly, protects and avoids causing broken pile to take place; The external structure body is by brace summer, docks cushion cap height and the control of adjacent spacing in the space between the two with structure therein, vibrator, shotcrete pipe mainly are provided, spaces such as expansion dish device hydraulic oil pipe and cooling water, cable laying are supported, every group of vibrator installation site relative fixed, adopt non junction to connect in the middle of the vibration phase optimum organization, vibrator cable.

High-pressure slip-casting of the present utility model system comprises in slurry pipe, slurries bite type joint, butt joint storehouse, the butt joint storehouse shoulder outside shoulder, the butt joint storehouse, docks the storehouse lower shoulder, slurries cylinder, high pressure nozzle valve, spring, ball valve, stock inlet, slurries cylinder are inspected cover plate and stud; The butt joint storehouse is the circular unitary member, and its top links into an integrated entity by self internal thread and inner structure A body lower end external screw thread, and outer shoulder is lower than interior shoulder makes arc be fastenedly connected on it with screw; The upper, annular in butt joint storehouse is provided with the slurries cylinder of form of grooves, be provided with brace summer and butt joint cushion cap in the slurries cylinder, slurry pipe by space between the structure therein brace summer be arranged on the cartoon type joint that docks the top, storehouse and join, inspect the inboard corresponding site of cover plate along slurries cylinder arc and be mounted to a rare above high pressure nozzle valve, adopt fixed bit injection or rotary-jet form all can; The high pressure nozzle valve is an one way valve, the employing antifriction alloy is made, only ball valve can be opened stock inlet when surpassing one-way valve spring pressure, slurries can be gone out from nozzle ejection, in case slurries pressure is lower than one-way valve spring pressure, then ball valve is closed stock inlet rapidly under the spring pressure effect, breaks off about UNICOM, muddy water can not be infiltrated, and slurries can not water clock; Slurry pipe directly joins with the nozzle group valve stock inlet, and by manually-operated, airtight high pressure slurries are via the slurry pipe stock inlet that goes directly, and overcomes spring pressure and opens stock inlet, and slurries high speed and high pressure (more than the 20Mpa) ejects.

Expansion disc system of the present utility model comprise cylinder body, annular piston, piston locating ring, piston rod, up and down end cap, dam valve seat, shutoff valve lug jointed shaft, shutoff valve biconvex ear, turnover oil pipe, oil connection and turnover oil duct of fairlead, seal, connecting rod, connecting rod base, connecting rod pivot pin, shutoff valve, band dual-cavity formed up and down; Circular cylinder body top end face evenly distributes and is shaped on a plurality of threaded connection holes, passes butt joint storehouse lower shoulder screw with stud and tightens with cylinder body top end face screwed hole, and top is tightened to make with nut and docked the storehouse and closely be connected with cylinder body; Butt joint lower surface, storehouse and cylinder body top end face junction are provided with seal, prevent that interior oil input channel of cylinder body and back oil road from making the work of expansion disc system malfunctioning from the joint seepage; Upper end cover is connected with cylinder body upper and lower side internal thread with external screw thread respectively with bottom end cover, last fairlead and following fairlead quilt end cap up and down are pressed on the interior two ends up and down of cylinder body respectively to prevent outside displacement, fairlead is except that providing the piston rod guide function up and down, also by being installed in glade plane space between seal closed piston bar round in the fairlead and the fairlead, by being installed in seal sealing fairlead on the outer garden of fairlead and the gap between the cylinder body inwall, prevent the hydraulic oil seepage; Annular piston is divided into two semicircles and is sleeved on the piston rod and by semicircle piston locating ring and is fixed on the piston rod and can not produces relative displacement with piston rod, and piston rod is a hollow tubular, and concrete and reinforcing cage are unimpeded; Annular piston is pushed and moves down during the oil-feed of cylinder body upper oil cavitie, and annular piston and piston rod are fixing in aggregates, drives piston rod and moves down; When the cylinder body lower oil cavitie was oil-filled, piston rod moved up with annular piston; Piston-rod lower end is fixed on connecting rod base in do radially rotation by the connecting rod pivot pin with small end along the connecting rod base of uniform two the above installing connecting rods of peripheral annular, and the lower end of connecting rod is installed in the shutoff valve inboard groove by the connecting rod pivot pin and radially rotatablely moves; The band dual-cavity valve seat that dams is connected with the cylinder body external screw thread by internal thread, having at least two above shutoff valves to be hinged on the band dual-cavity via shutoff valve biconvex ear by shutoff valve lug jointed shaft dams and radially rotatablely moves in the valve seat, because connecting rod base and then drivening rod that the annular piston upper and lower displacement drives piston rod and is screwed in piston-rod lower end are done vertical displacement synchronously, because of small end and connecting rod base hinged, the lower end is hinged in the shutoff valve inboard groove, promoting or spur shutoff valve radially rotatablely moves in the band dual-cavity dams valve seat along the hinged axle center of shutoff valve lug, and then reach rectilinear motion and be converted to and rotatablely move when shutoff valve cuts out cone-shaped, become lotus shape in full bloom when opening; The shutoff valve both wings are made the blade-like structure, and shearing force can shred granite commonly used.

The utility model compared with prior art has following advantage: the one, and thoroughly eliminate automatic compandor and in the pile body immersed tube, vibrator is set, operation is loaded down with trivial details during construction, and workman's manipulation strength is big, and concrete often had and shook from the wash rice phenomenon; The 2nd, weak soil is changed into the cement-soil proterties in the about 0.5m radius of all sides of stake, the frictional resistance more much bigger than weak soil not only is provided, and can provide anti-vertical, the radial deformation intensity more much bigger than weak soil, eliminate concrete do not solidify before the flaws such as pile body necking down jacking folder mud that cause of excess pore water pressure, effectively improve the bearing capacity of stake; The 3rd, the employing vibrator is built-in and in below ground enforcement vibration, noise is little; The 4th, solved the unable difficult problem that produces a desired effect of its bearing capacity of single pile in the time of can not utilizing in the weak soil (mud) than hard interbedded layer.

Description of drawings:

Fig. 1 is an overall structure principle generalized section of the present utility model.

Fig. 2 is an overall appearance structural principle schematic diagram of the present utility model.

Fig. 3 is a butt joint chamber structure principle generalized section of the present utility model.

Fig. 4 is a slurries cylinder structure principle top cross-sectional view of the present utility model.

Fig. 5 looks up the structural principle schematic diagram for shutoff valve closed condition of the present utility model.

Fig. 6 is shutoff valve of the present utility model and shutoff valve holder structure principle generalized section.

The specific embodiment:

Also be described further in conjunction with the accompanying drawings below by embodiment.

Embodiment:

Present embodiment is by the pile body structure, high-pressure slip-casting system and expansion disc system three parts are formed, and agent structure comprises oil inlet pipe bite type joint 1, oil return pipe bite type joint 1 ', slurries bite type joint 2, slurry pipe 3, water inlet pipe 4, outlet pipe 4 ', oil inlet pipe 5, oil return pipe 5 ', flange 6, flange bolt 7, brace summer 8, butt joint cushion cap 8 ', vibrator holder 9, the fixing card 10 of vibrator, vibrator 11, slurries cylinder 12, high-pressure mortar spraying valve 13, vibrator power supply line 14, stud 15, stud hole 15 ', the slurries cylinder is inspected cover plate 16, attachment screw 17, inner structure A body 18, inner structure B body 18 ', external structure body 19, arc 19 ', cooling water circulation port 20, butt joint storehouse 21, shoulder 22 in the butt joint storehouse, shoulder 22 ' outside the butt joint storehouse, butt joint storehouse lower shoulder 22 "; upper end cover 23; bottom end cover 23 '; go up fairlead 24; following fairlead 24 '; piston rod 25, annular piston 26, oil input channel 27, back oil road 27 ', connecting rod base 28, connecting rod 29, shutoff valve biconvex ear 30, connecting rod pivot pin 31, shutoff valve 32, cylinder body 33, the band dual-cavity valve seat 34 that dams, shutoff valve lug jointed shaft 35, seal 36, piston locating ring 37, vibration damping pad 38, spring 39, ball valve 40 and stock inlet 41; Pile body structure wherein comprises inner structure A body 18, inner structure B body 18 ', external structure body 19, arc 19 ', cooling water inlet pipe 4, cooling water outlet pipe 4 ', flange 6, flange bolt 7, brace summer 8, butt joint cushion cap 8 ', vibrator holder 9, the fixing card 10 of vibrator, vibrator 11, vibration damping pad 38, vibrator power supply line 14 and attachment screw 17; Inner structure A body 18 and inner structure B body 18 ' are that elongated heavy wall is round tubular, the periphery of inner structure A body 18 and inner structure B body 18 ' is along y axially uniform ten of annulars and the unified square type brace summer 8 of isometric its size of structure therein, article two, the slightly wide butt joint cushion cap 8 ' of size, the size of inner structure A body 18 and inner structure B body 18 ', shape, structure basically identical, inner structure A body 18 belongs to fundamental segment, be provided with datum length, the top is provided with flange 6, and the lower end is high-pressure mortar spraying system and the installation matrix that expands the disc system critical piece; Inner structure B body 18 ' top and bottom all are shaped on flange 6, and genus can conveniently dock or dismantle to satisfy the active section of the different pile foundation degree of depth and highway transport statute requirement, is provided with multiple length, and its butt joint back keeps overlapping with the inner structure A body center of circle; Inner structure A body 18 top ends are shaped on flange 6, are connected to adjust stake long with inner structure B body 18 ' bottom flange 6 by flange bolt 7; External structure body 19 is made numerous arcs 19 ' of certain-length and radian, adjacent arc 19 ' is installed on the special-purpose butt joint cushion cap 8 ' along the axial end face butt joint of y, two arc 19 ' butt joints are encircled into the tubulose external structure body 19 of a circle, and its center of circle overlaps with inner structure A body 18 centers of circle; Adjacent arc 19 ' x axial end height arranged in dislocation prevents that stress from concentrating and destroy external structure body 19 intensity; Adjacent its y of arc 19 ' joint axially reaches the x axial end and is equipped with weather strip and seals; Structure therein 18,18 ' with external structure body 19 between certain space is arranged is to be provided by brace summer 8, the height that docks cushion cap 8 ', to satisfy the needs of laying or conduct the space of vibrator, pipeline, cooling water, cable and computer desired data collector, component in 19 pairs of above-mentioned storings of solid external structure body are gone into play a very good protection, simultaneously brace summer 8 and butt joint cushion cap 8 ' also play the effect that strengthens external and internal compositions body bulk strength, ensure that under the huge chucking power of static(al) stake machine this device still can operate as normal; Arc 19 ' is inboard axially to be provided with one group of three vibrator holder 9 laying along arc 19 ' inboard horizontal annular every a segment distance along y, with the fixing card of vibrator 10 vibrator 11 is mounted in the vibrator holder 9, fastening with screw; Brace summer 8, the arc top surface and arc 19 ' the inboard junction of butt joint cushion cap 8 ' are equipped with vibration damping pad 38, when vibrator 11 is opened, produce resonance and increase the amplitude of arc 19 ' through the exciting force of many groups vibrator 11 of phase optimization combination, toward structure therein 18,18 ' conduct vibrations is owing to the effect of damping pad 38 is intercepted by retardation, have only very fraction vibration to transmit only can play in the past concrete is produced certain vibration compacting effect, and most of vibration conducts among external structure body 19 surrounding soils by arc 19 ', the limited radius scope is small dynamic from wash rice because of the vibration generation by the disturbance soil body on every side, and this dynamically is the moving adsorbed state of the needed soil body of pile pulling; Temperature will sharply increase during vibrator 11 work, brace summer 8 and butt joint cushion cap 8 ' just are provided with cooling water circulation port 20 every a segment distance, make between whole pile body structure therein and the external structure body, brace summer, all energy convection circulations of cooling water between the butt joint cushion cap, be located in the water tank on the static(al) stake machine support and lay water pump, under the pressure-driven of water pump, cooling water constantly flows to from water inlet pipe 4, order about down to flow out in water-aspirator pressure behind a large amount of heat energy that intussusception vibrator 11 scatters and enter water tank and heat energy is spread to the atmosphere from outlet pipe 4 ', water temperature is reduced with by recycling once more, ensure that vibrator 11 long-term uses do not damage because of overheated.

The high-pressure slip-casting system of present embodiment comprises that butt joint storehouse 21, slurries bite type joint 2, slurry pipe 3, slurries cylinder 12, high-pressure mortar spraying valve 13, ball valve 39, spring 40, stock inlet 41, slurries cylinder inspect cover plate 16 and attachment screw 17; Butt joint storehouse 21 is circular integrated member, top is connected with inside and outside structure, the bottom is connected with the screwed hole of cylinder body 33 top end faces by stud hole 15 ' with stud 15, it is the important force transmission mechanism of resistance to compression resistance to plucking of forming a connecting link, communicate with the turnover oil duct 27,27 ' of cylinder body 33 by the turnover oil duct in the wall 27,27 ', slurries cylinder 12 is inspected cover plate 16 sealings for the annular groove of certain depth and width is arranged with the slurries cylinder, for dismounting and keep in repair just; Inspect cover plate 16 and make 2 semicircular plates, be fixed on the 21 annular groove shoulders of butt joint storehouse, and the weather strip sealing is arranged with attachment screw 17; High-pressure injection pump takes place the high pressure slurries on the static(al) stake machine platform by being installed in, slurry pipe 3 is connected with the bite type slurries joint 2 that is arranged on butt joint 21 upper ends, storehouse, bite type slurries joint 2 lower ends and slurries cylinder 12 two built-in annular slurry pipes 3 are connected respectively, and are not connected; The mouth spray 41 of slurry pipe 3 and high-pressure mortar spraying valve 13 is directly with being threaded, and high-pressure mortar spraying valve 13 is placed in the slurries cylinder and inspects cover plate 16 inboards, is furnished with four along horizontal annular, employing fixed bit injecting type; Be provided with spring 40 in the high pressure Parallel Slide Valves 13, spring is sealed stock inlet 41 by tightly withstanding ball valve 39 from tension force, when being higher than the 20Mpa slurries when grouting port 41 rushes at ball valve 39, its pressure is far longer than spring 40 tensile forces and ball valve 39 is backed down, the high pressure slurries promptly spray one a fluid stream from tiny nozzle with high pressure very and impact the soil body, when the dynamic pressure of injection stream during greater than soil layer construction intensity, soil particle just peels off from soil layer, part fine grained soils upwards overflows by top with slurries and enlarges the secondary expansion disk body that disk body stops formation parcel expansion disk body bottom, all the other soil particles are under effects such as the impact force of jet and gravity, mix with cement grout, and condense into the higher cement-soil cylinder of intensity by physical-chemical reaction.

The expansion disc system of present embodiment comprises inlet connector 1, oil returning pipe joint 1 ', oil inlet pipe 5, oil return pipe 5 ', cylinder body 33, upper end cover 23, bottom end cover 23 ', goes up fairlead 24, dam valve seat 34, shutoff valve lug jointed shaft 35, seal 36 and piston locating ring 37 of fairlead 24 ', annular piston 26, piston rod 25, oil input channel 27, back oil road 27 ', connecting rod base 28, connecting rod 29, connecting rod pivot pin 31, shutoff valve biconvex ear 30, shutoff valve 32, band dual-cavity down; Cylinder body 33 top end faces are provided with a plurality of threaded connection holes along annular, stud 15 is screwed in the threaded connection hole by the stud hole 15 ' in butt joint storehouse 21, top, docking storehouse lower shoulder 22 with nut " to locate to tighten; bonding surface is provided with the sealing ring enhanced leaktightness; prevent to produce under the complicated applied force situation and leak, cause the expansion dish unusual; Cylinder body 33 upper ends are provided with the certain-length internal thread and upper end cover 22 external screw threads spin, in order to adjust thrust to last fairlead 23, cylinder body 33 lower ends are provided with the certain-length internal thread equally and bottom end cover 22 ' external screw thread spins, nationality is to adjust the thrust to following fairlead 23 ', last fairlead 23 reaches down, and fairlead 23 ' is installed on side within upper end cover 22, the bottom end cover 22 ' respectively, its displacement laterally all is subjected to the restriction of end cap up and down, and fairlead play the guiding role to piston rod 25; Piston rod 25 is a hollow tubular, and concrete and reinforcing cage can hollowly freely pass through at it; Annular piston 26 is 2 semicircles, after closing up be one cylindrical, circular surfaces and cylinder body 33 are inboard closely to be contacted, and is provided with multiple-sealed 36; Piston locating ring 37 is for there being the semicircle snap ring of certain altitude and thickness, internal diameter is identical with piston rod 25 outer round recessed external diameters, external diameter is identical with annular piston 26 inboard groove internal diameters, the interior ring of locating ring 37 is embedded in the outer round recessed of piston rod 25, outer shroud is embedded in piston 26 inboard grooves, cylinder body 33 internal diameters are fixing, after annular piston 26 is sleeved in the cylinder body 33 of packing on the piston rod 25, x axial displacement is very little, axially by piston locating ring 37 location, annular piston 26 can not produce the relative displacement with piston rod 25 to y; Piston rod 25 lower ends spin by external screw thread and connecting rod base 28 internal threads and are integral, and connecting rod base 28 is along 6 groups of Baltimore grooves of ring Zhou Junbu, and the upper end of six connecting rods 29 is hinged in six Baltimore grooves of connecting rod base 28 respectively by connecting rod pivot pin 31; The lower end of connecting rod 29 is hinged in the groove of six lobe shutoff valves, 32 inboards respectively by connecting rod pivot pin 31, the band dual-cavity valve seat 34 that dams is connected into one by internal thread and cylinder body 33 lower end external thread rotaries, six groups of shutoff valve biconvex ears 30 are hinged on the band dual-cavity respectively by shutoff valve lug jointed shaft 35 and dam in six groups of dual-cavities of valve seat 34, when hydraulic oil when the upper oil cavitie of cylinder body 33 enters, the pressure that acts on annular piston 26 forces annular piston 26 descending, annular piston 26 drives piston rod 25 DL synchronizations by piston locating ring 37, thereby piston rod 25 is by connecting rod base 28 and then reach connecting rod pivot pin 31 to promote connecting rods 29 descending, descending connecting rod 29 its lower ends move downward by promoting shutoff valve 32 again with shutoff valve 32 inboard groove connecting rod pivot pins 31, because of shutoff valve 32 radially wobbles by shutoff valve lug jointed shaft 35 and band dual-cavity valve seat 34 hinged only can the works of damming, so annular piston, piston rod, a series of rectilinear motions such as connecting rod just convert radially rotatablely moving of shutoff valve to, shutoff valve 32 is opened, and concrete and reinforcing cage are unimpeded; Otherwise, when hydraulic oil when cylinder body 33 lower cavity enter, the pressure that acts on annular piston 26 floor spaces forces annular piston 26 up, cylinder body 33 upper plenum hydraulic oil are by back oil road 27 ', oil return pipe 5 ', and oil returning pipe joint 1 ' and oil pipe are back to hydraulic oil container and cool off and filter; Annular piston 26 up pulling piston rod 25 uplink synchronizations, piston rod 25 is done radial motion by the connecting rod base 28 that is threaded via the shutoff valve 32 that connecting rod 29 pullings that are hinged on connecting rod base 28 are hinged on connecting rod 29 lower ends again, cause shutoff valve 32 to be closed, concrete and reinforcing cage are cut off, so shutoff valve 32 just can artificially be controlled enforcement fully in underground switching, shutoff valve 32 full open angles are lost closing function less than 180 ° to prevent the dead angle; For guaranteeing to expand disc system normal in underground activities, except that good link gear reliably, present embodiment is at end cap up and down, fairlead, annular piston and connecting rod base periphery are equipped with corresponding seal 36 up and down, and the leakage that not only prevents hydraulic oil also prevents the invasion of subsurface pressure water.

Claims (1)

1. multi-disk pouring pile one-step molding device, agent structure is by pile body structure, high-pressure slip-casting system and expand disc system three parts and form; The pile body structure comprises inner structure A body, inner structure B body, the external structure body, arc, brace summer, the butt joint cushion cap, vibrator, the vibrator holder, the fixing card of vibrator, power line, the cooling water water inlet pipe and water outlet pipe, flange, flange bolt, vibration damping pad and attachment screw, it is characterized in that inner structure A body, inner structure B body is round tubular or the rectangle hollow shape, along y axially annular uniform more than at least two with the square type brace summer of the isometric size of structure therein, article two, more than with the cushion cap that docks of the isometric size of structure therein, the size of inner structure A body and inner structure B body, shape, the structure unanimity, inner structure A body is a fundamental segment, the top is provided with flange, does not manage blue lower end and is the butt joint storehouse, the installation matrix of high-pressure mortar spraying system and expansion disc system; Inner structure B body upper and lower side is equipped with flange, and inner structure A body is connected with the flange of flange bolt with inner structure B body bottom by the flange on its top; Inner structure A body lower end by external screw thread with dock the storehouse internal thread and spin, its bottom face holds out against in the butt joint storehouse on the shoulder, arc is crossed over butt joint its lower end of horizontal joint, storehouse and is fixed in the outer shoulder in butt joint storehouse with attachment screw, and the upper end is fastened on screw that one-tenth sockets state on the inner structure A body brace summer; The butt joint cushion cap lay side by side two arc y axial in conjunction with end face, the axial x axial end of arc y is equipped with seal; The external structure body is divided into more than at least two and has certain-length and the arc of thickness, its inboard radian is consistent with brace summer end face radian, arc forms a cylindrical external structure body to being bonded into the back, and its center of circle overlaps with the structure therein center of circle, and the cylinder external diameter is the main footpath of a stake size; Arc axially whenever is separated by a segment distance with attachment screw and brace summer with dock cushion cap and be fastenedly connected and be integral along y, along the axial grouping-hierarchy of the inboard y of arc the vibrator holder is installed, one group every layer, along the inboard horizontal circle of external structure body at least more than one vibrator holder is installed for every group; Vibrator is circular or the fluid pressure type vibrator of square or flat; Brace summer, butt joint cushion cap end face are equipped with the vibration damping pad; The high-pressure slip-casting system comprises in slurry pipe, slurries bite type joint, butt joint storehouse, the butt joint storehouse shoulder outside shoulder, the butt joint storehouse, docks the storehouse lower shoulder, slurries cylinder, high pressure nozzle valve, spring, ball valve, stock inlet, slurries cylinder are inspected cover plate and stud; The butt joint storehouse is the circular unitary member, and its top links into an integrated entity by self internal thread and inner structure A body lower end external screw thread, and outer shoulder is lower than interior shoulder makes arc be fastenedly connected on it with screw; The upper, annular in butt joint storehouse is provided with the slurries cylinder of form of grooves, be provided with brace summer and butt joint cushion cap in the slurries cylinder, slurry pipe by space between the structure therein brace summer be arranged on the cartoon type joint that docks the top, storehouse and join, inspect the inboard corresponding site of cover plate along slurries cylinder arc more than one at least one-way high-pressure nozzle group valve is installed, adopt fixed bit to spray or the rotary-jet form; Slurry pipe directly and the nozzle group valve stock inlet join; Expand disc system and comprise cylinder body, annular piston, piston locating ring, piston rod, end cap, dam valve seat, shutoff valve lug jointed shaft, shutoff valve biconvex ear, turnover oil pipe, oil connection and turnover oil duct of fairlead, seal, connecting rod, connecting rod base, connecting rod pivot pin, shutoff valve, band dual-cavity up and down up and down; Circular cylinder body top end face evenly distributes and is shaped on threaded connection hole, passes butt joint storehouse lower shoulder screw with stud and tightens with cylinder body top end face screwed hole, and top is tightened to make with nut and docked the storehouse and closely be connected with cylinder body; Butt joint lower surface, storehouse and cylinder body top end face junction are provided with seal; Upper end cover is connected with cylinder body upper and lower side internal thread with external screw thread respectively with bottom end cover, and last fairlead and following fairlead are by two ends about end cap is pressed in the cylinder body respectively up and down; Annular piston is divided into two semicircles and is sleeved on the piston rod and by semicircle piston locating ring and is fixed on the piston rod, and piston rod is a hollow tubular; Annular piston and piston rod are fixing in aggregates; Piston-rod lower end is along the connecting rod base of uniform two the above installing connecting rods of peripheral annular; The band dual-cavity valve seat that dams is connected with the cylinder body external screw thread by internal thread, and small end and connecting rod base are hinged, and the lower end is hinged in the shutoff valve inboard groove, and the shutoff valve both wings are made the blade-like structure.

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