CN100348803C - Pile connecting buckle and its prefabricated unit - Google Patents

Abstract

The present invention relates to a dead-drawn buckle of a prefabricated part, a concrete prefabricated part composed of the dead-drawn buckle and a forming method of the prefabricated part, which belongs to the field of the manufacture of a dead-drawn buckle of a prefabricated part and the prefabricated part. The dead-drawn buckle forms an internal thread structure, or an external thread structure, or an internal clamping structure or an external clamping structure, wherein the center at the cavity bottom of a buckle with the internal thread structure, the external thread structure, the internal clamping structure or the external clamping structure is provided with a steel bar hole; the periphery of the steel bar hole is provided with heading clamping tables of steel bars; the headings of the steel bars are clamped on the clamping tables; a plurality of longitudinal steel bars and circumferential steel bars in a prestressed prefabricated part form a steel bar framework of the prefabricated part; both ends of each longitudinal steel bar are respectively clamped on the heading clamping tables of steel bars of the dead-drawn buckle; both ends of each longitudinal steel bar form headings respectively clamped on a heading clamping table of a tensile nut and a heading clamping table of a top pulling nut. The ends of the dead-drawn buckle are respectively fixed to a fixed plate and a tensile plate by bolts, and then, put in a forming mold; concrete is injected in; the mold is combined; the tensile plate is dead drawn to set pressure; a pile is centrifugally manufactured; the prestressed prefabricated part can be acquired.

Description

Apical grafting stake button and prefabricated component under the last spiral shell

Technical field:

The present invention relates to the forming method that a kind of prefabricated component is haled fastener, haled docking structure, docking calculation and prefabricated component between concrete precast element, prefabricated component and the prefabricated component that fastener constitutes, belong to that prefabricated component is haled fastener and prefabricated component is made the field.

Background technology:

Notice of authorization CN2495685Y, title " prestressed concrete pipe pile snap joint ", this joint comprises respectively with last, stake is plugged into and is held two affixed end plates, connecting pin, offer screwed hole in the end plate of last stake, connecting pin one end is threaded and can cooperates with the screwed hole of last stake end plate, the other end is square, and both sides have to stagger closes tooth, the end plate below of following stake is embedded with connector box, between two ends of connector box and two pin plates compression spring is housed, the square hole that one end of connecting pin band engaging tooth can pass down on the end plate of stake inserts between two pin plates, on it engaging tooth can be meshing with each other with the tooth of pin plate one side.Its weak point: the one, because following end plate only depends on 6 connector boxs, last stake only depends on volume less than the termination of connector box and the concrete setting in the pile tube together, and can't be connected as a single entity with the longitudinal reinforcement in the pile tube, can't constitute overall structure with the cage of reinforcement in the pile tube, it connects suitable intensity initiative and reliability can't guarantee at all, particularly when connector box and termination are subjected to external impacts, its connector box produces with concrete inevitably with the termination and separates, can't guarantee to go up stake and following reliable the butt joint, this is present present technique field one of insurmountable technical barrier so far; The 2nd, the compression spring in the connector box in the pile crown plate up and down, after pile tube in depth touches underground water down, produce corrosion inevitably, As time goes on the elasticity of its compression spring will progressively disappear, the pile extension fracture takes place at last inevitably, seriously have influence on the safety factor and the safety of the building of building, this not only exists in the docking of the pile tube of this structure and pile tube, and in the docking of the pile tube of other tube pile structure and pile tube, seriously exist, be the present technique field so far still unsolved technical barrier two; The 3rd, when prefabricated, can't solve up and down pile crown plate and concrete and between the crackle that produced and the spillage phenomenon that caused of pile crown plate up and down, therefore reduced concrete intensity, easily pile breaking phenomenon taken place, this be the present technique field so far still unsolved technical barrier three; The 4th, the skirtboard that had of pile crown plate up and down, the circumferential reinforcement that pilespacing head plate place preceding 5～6 is enclosed can't be put and be welded on the longitudinal reinforcement, therefore the length that the reinforcing bar longitudinal extension is produced when haling longitudinal reinforcement, make before the pile crown plate place on several meters to tens of meters the longitudinal reinforcement acyclic at all to reinforcing bar, prefabricated pile tube, fragmentation takes place in its one inevitably, gently then influence piling quality, heavy then cause piling failure, this is that present present technique field is wanted to solve, but so far four of still unsolved technical barrier; The 5th, can't solve some longitudinal reinforcement longitudinal extension uniformity in the pile tube, can't realize that standardization hales the purpose of reinforcing bar, the bad aftereffect that is produced is: can't guarantee pile tube intensity, can't guarantee the uniformity of some pile tube inherent qualities, be that present present technique field is wanted to solve, but so far five of still unsolved technical barrier; The 6th, cost expense height, the fabricating cost of every block of pile crown plate up to 300 yuan about, increased construction costs widely.

Summary of the invention:

Purpose of design: avoid the weak point in the background technology, designing a kind of one is fundamentally to eliminate upper and lower pile crown plate, the deficiency of avoiding background technology to be produced thus; The 2nd, guarantee that the steel hoop on the pile tube skeleton not only can be around to pile tube skeleton two ends, and can guarantee that its point is welded on the longitudinal reinforcement of skeleton that guarantee the uniformity of pile tube intensity, the fracture of fundamentally avoiding pile tube is with broken; The 3rd, fundamentally solve in the pile tube some longitudinal reinforcements and vertically hale the extension uniformity, guarantee the uniformity of industrialized mass production pile tube inherent quality; The 4th, guaranteeing to reduce prefabricated manufacturing cost widely under the pile tube butt joint reliable quality prerequisite.

Design scheme: in order to realize purpose of design of the present invention, on structure design:

1, concrete precast element is haled the design of fastener:

Can reinforcing bar be realized effectively haling in the concrete precast element, is the prerequisite that is related to concrete precast element quality quality, and the haling to be divided into and fixedly hale maintenance typing and location and hale displacement maintenance typing of reinforcing bar.Floor prefabricated component and bridge prefabrication spare etc. are fixedly to hale the maintenance typing; Concrete tubular pile, concrete wire then belong to the location and hale displacement maintenance typing.The key that displacement maintenance typing is haled in the location is: not only realize haling of reinforcing bar (rod iron), and will realize good butt joint the between prefabricated component and prefabricated component.Therefore on structure design, hale fastener and should have two kinds of functions: the one, every group (two) hale fastener can realize clamping with reinforcing bar (rod iron) two ends respectively; The 2nd, hale that in the fastener assembly one can be connected with affixed plate, another can be connected with the arm-tie that rises and hale fastener by the arm-tie that rises after the clamping.

Technical scheme 1: the pile for prestressed pipe reinforcing bar is haled fastener, draw nut, top to draw nut and pile tube longitudinal reinforcement to form by being positioned at rising of pile tube two ends, wherein, rising, to draw nut and top to draw nut be female thread structure, described internal thread is for haling screw thread, the center has reinforced hole at the bottom of the cap, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, and the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai.

Rising, to draw nut and top to draw nut be external thread structure or interior interface arrangment or wild card access node structure, and the rising of female thread structure, external thread structure, interior interface arrangment or wild card access node structure drawn nut, top to draw nut to make up in twos to form reinforcing bar with the pile tube longitudinal reinforcement and hale fastener.

2, the pile for prestressed pipe reinforcing bar is haled fastener pile extension button:

The design of drawing nut of rising is one of feature of the present invention, and its major function is: the one, and rise and draw the screw thread in the nut to spin by the bolt and the arm-tie (or fixed head) that rises, work to hale reinforcing bar and pile extension; The 2nd, have a rod iron hole at the bottom of the cap of nut, the periphery in rod iron hole is reinforcing bar heading Ka Tai, this reinforcing bar heading card platform can be stuck in the rod iron heading that will connect firmly to rise and draw in the nut.It is two of feature of the present invention that the design of nut is drawn on the top, its major function is: the one, and the top draws the chamber of nut to be built-in with by two or multi-disc combination sleeve, and on this combination sleeve, be externally threaded intermediate sleeve, outer spiral shell intermediate sleeve is as the positive stop lug boss of combination sleeve, stop the combination sleeve to be gone out, and the top draws the interior screw thread on nut inner chamber top to be connected with fixed head (arm-tie rises) by bolt, and the one end is fixed when drawing to guarantee to rise.Combination sleeve inboard be dentalation, mainly and the dentalation on the connecting rod be complementary the clamping that plays a part to be meshing with each other connection.The design of connecting rod is three of a feature of the present invention, and its major function is: have dentalation portion and top and draw the clamping that is meshed of the combination sleeve nut chamber in, have screw thread portion and draw nut to spin with rising, thereby with two prefabricated components connections.

Technical scheme 2: pile for prestressed pipe pile extension button draws nut, top to draw nut, combination sleeve, intermediate sleeve and connecting rod to constitute by rising, wherein, rising, to draw nut and top to draw nut be female thread structure, described internal thread is for haling screw thread, the center has reinforced hole at the bottom of the cap, the periphery of reinforced hole is reinforcing bar heading Ka Tai, and the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai; Connecting rod one end is a dentalation, and the other end is an external thread structure; Two or multi-disc combination sleeve is positioned at the top and draws nut, described combination sleeve inboard to be dentalation and be complementary with dentalation in the connecting rod; Intermediate sleeve is an external thread structure, is screwed in the top and draws in the nut and be positioned at two or multi-disc combination sleeve top; During butt joint, connecting rod one end draws the screw thread of nut to spin with rising, and the other end and top draw in the nut two or multi-disc combination sleeve to form clamping.

3, the pile for prestressed pipe reinforcing bar is haled fastener pile extension button:

The design of drawing nut of rising is one of feature of the present invention, and its major function is: the one, and rise and draw the screw thread in the nut to spin by the bolt and the arm-tie (or fixed head) that rises, work to hale reinforcing bar and pile extension; The 2nd, have a rod iron hole at the bottom of the cap of nut, the periphery in rod iron hole is reinforcing bar heading Ka Tai, this reinforcing bar heading card platform can be stuck in the rod iron heading that will connect firmly to rise and draw in the nut.To draw the design of nut be two of feature of the present invention on the top, and its major function is: the one, with the clamping of rod iron heading, hale the rod iron in the prefabricated component; The 2nd, (being connected between being connected between pile tube and pile tube, between precast plate and precast plate, bridge pier and bridge pier, electric pole preform rod with between preform rod) is when docking, as the expansion connection chamber of expander in the setscrew between prefabricated component and prefabricated component; The 3rd, the top is provided with a rod iron hole at the bottom of drawing the cap of nut, and the periphery in rod iron hole is reinforcing bar heading Ka Tai, and this rod iron heading card platform can be stuck in the rod iron heading that will connect firmly to rise and draw in the nut.Haling rod iron is meant: the top draw nut with rise draw nut to be through rod iron in the pile tube after, heading is upset at the two ends of its rod iron, its heading is connected to the top firmly and draws nut and rise on the rod iron heading Ka Tai that draws nut, the end that draws nut that rises this moment is fixed on the arm-tie that rises, the top draws the screw thread in the nut to be connected with fixed head by bolt, hales the purpose that the arm-tie that rises can realize that vertical rod iron extends; The 4th, the design that has the tapering expansion chamber in the nut is drawn on the top, can satisfy the expansion needs of the expander of setscrew, and the expander in the setscrew is locked in the expansion chamber after expansion firmly.The design of setscrew is five of a feature of the present invention, its major function is: the one, and the expander in the setscrew can expansion instantaneous expansion distortion in expansion chamber in the nut is drawn on the top after being subjected to the inserting by force of its pin that expands, and the expander after the dilatancy can be locked in the expansion chamber firmly; The 2nd, the screw section in the setscrew with rise draw nut to spin after, can moment draw the nut realization plug-in type be swollen and dock with the top, thus can be with docking between prefabricated component and prefabricated component with expansion ways of connecting permanent finishing of moment.The bloated pin of setscrew expander end be expander be able to that instantaneous expansion struts basic, it is similar to, and taper-----point is gone up thick down, after inserting expander, expander can be strutted, produces permanent deformation, permanent locking in the expansion chamber of nut is drawn on the top along its guiding wire casing moment of expanding.

Technical scheme 3: pile for prestressed pipe pile extension button draws nut, setscrew and top to draw nut to constitute by rising, wherein, rise draw nut and top to draw the cap of nut at the bottom of the center have reinforced hole, the periphery of reinforced hole is reinforcing bar heading Ka Tai, the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai, during butt joint, the screw section of setscrew is screwed in to rise and draws in the nut, and the expander of setscrew is expanding under the effect of the pin that expands in expansion chamber in the nut is drawn on the top.

4, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 3, rising, to draw nut and top to draw nut be one of feature of the present invention with the design of end plate welding connection structure respectively, and its major function is: the one, guarantee to rise draw nut and top draw nut distribute accurately, be convenient between pile tube and pile tube fast, accurately dock; The 2nd, can be effectively draw power that nut and top draw nut to be delivered to the end face of pile tube equably by its end plate with acting on to rise, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 4: pile for prestressed pipe reinforcing bar pile extension button draws nut, setscrew and top to draw nut to constitute by rising, rise and draw nut and top to draw nut to weld with end plate respectively, during butt joint, the screw section of setscrew is screwed in to rise and draws in the nut, and the expander of setscrew is expanding under the effect of the pin that expands in expansion chamber in the nut is drawn on the top.

5, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the expansion principle to force the double-end expansion body between the pile tube that needs pile extension to form the butt joint of expanding in moment.On structure design: 1, to draw the design of expansion nut be one of feature of the present invention on the top, and its major function is: the one, and the top is drawn the screw thread in the expansion nut to rise and is haled action of steel bars; The 2nd, the top has a reinforced hole at the bottom of drawing the cap of nut, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, and this reinforcing bar heading card platform can be stuck in the reinforcing bar heading that will connect firmly to push up and draw in the expansion nut; The 3rd, the design that expansion chamber in the expansion nut is drawn on the top can moment be expanded the expander in the double-end expansion body by the pin that expands and to be drawn in the expansion chamber of expansion nut rising.2, the design of double-end expansion body is two of a feature of the present invention, its major function is: the one, and the expander in the double-end expansion body can draw that the instantaneous expansion distortion combines with the bloated chamber expansion in chamber in the expansion chamber in the expansion nut rising after being subjected to the inserting by force of its pin that expands, and the expander after the dilatancy can be locked in the expansion chamber firmly; The 2nd, the expander at two ends can be realized the butt joint of expanding respectively with under the effect of the pin that expands in insertion moment of drawing expansion chamber in the expansion nut of rising in the double-end expansion body, thereby can be with docking with expansion ways of connecting permanent finishing of moment between pile tube and pile tube.The bloated pin of double-end expansion volume expansion end of body be expander be able to that instantaneous expansion struts basic, it is similar to, and taper-----point is gone up thick down, after inserting expander, expander can be strutted, produces permanent deformation, permanent locking in the expansion chamber of nut is drawn on the top along its guiding wire casing moment of expanding.

Technical scheme 5: pile for prestressed pipe reinforcing bar pile extension button draws nut to constitute by 2 or a plurality of top, and during butt joint, the expander of double-end expansion meshing-body expands in expansion chamber in the nut is drawn on the top under the effect of the pin that expands.

6, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 5, to draw the design of expansion nut and end plate welding connection structure be one of feature of the present invention on the top, and its major function is: the one, guarantee to push up draw expansion nut distribute accurately, be convenient between pile tube and pile tube quick, accurately dock; The 2nd, can be effectively be delivered to the end face of pile tube equably by its end plate with acting on the power of drawing expansion nut in the top, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 5: the pile for prestressed pipe reinforcing bar draws nut to constitute by 2 or a plurality of top, 2 or a plurality of top draw the nut circle distribution on end plate, and the top draws expansion nut and end plate to weld, during butt joint, the expander of double-end expansion meshing-body expands in expansion chamber in the nut is drawn on the top under the effect of the pin that expands.

7, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the expansion principle to force the double end engaging tooth body between the pile tube that needs pile extension to form the butt joint of expanding in moment.On structure design: 1. pushing up and drawing the design of expansion nut is one of feature of the present invention, and its major function is: the one, and the top is drawn the screw thread in the expansion nut to rise and is haled action of steel bars; The 2nd, have a reinforced hole at the bottom of the cap of nut, the periphery of reinforced hole is reinforcing bar heading Ka Tai, this reinforcing bar heading card platform can be stuck in the reinforcing bar heading that will connect firmly the top and draw in the expansion nut; The 3rd, the design that expansion chamber in the expansion nut is drawn on the top, the particularly design of the inboard pawl engaging structure of plug-in type shifter collar in the expansion chamber can form the hook drawknot and close, and----------inserted suitable tooth that can moment double end be meshed denticle two and the pawl formation hook that pushes up the plug-in type shifter collar inboard in the expansion chamber that draws expansion nut and drawn engagement by elasticity with suitable the toothing at two in the double end varicosity.2. the design of double end engagement denticle is two of a feature of the present invention, its major function is: the one, and the tooth (along tooth engaging conformation) at two is after the plug-in type shifter collar that draws in the expansion nut is pushed up in the elasticity insertion in the double end engagement denticle, can form engagement with the pawl wall of plug-in type shifter collar inboard, be locked in the top firmly and draw in the expansion chamber of nut; The 2nd, the engaging tooth at two ends can be realized the Elastic Meshing butt joint moment in the double end engagement denticle in the plug-in type shifter collar that draws in the expansion nut expansion chamber is pushed up in insertion, and pile tube is finished with the mode that is connected with a joggle with the elasticity insertion of docking between pile tube.

Technical scheme 7: pile for prestressed pipe reinforcing bar pile extension button draws nut to constitute by the top, the plug-in type shifter collar is positioned at the expansion chamber that nut is drawn on the top, being positioned at the top draws outside the plug-in type shifter collar of nut expansion chamber and the top is drawn between the nut wall and is equipped with spring, during butt joint, double end engagement denticle inserts between the plug-in type shifter collar and under the effect of spring, double end engagement denticle and the engagement of plug-in type shifter collar.

8, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 7, to draw the design of expansion nut and end plate welding connection structure be one of feature of the present invention on the top, and its major function is: the one, guarantee to push up draw expansion nut distribute accurately, be convenient between pile tube and pile tube quick, accurately dock; The 2nd, can be effectively be delivered to the end face of pile tube equably by its end plate with acting on the power of drawing expansion nut in the top, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 8: the pile for prestressed pipe reinforcing bar draws nut to constitute by 2 or a plurality of top, 2 or a plurality of top draw the nut circle distribution on end plate, the plug-in type shifter collar is positioned at the expansion chamber that nut is drawn on the top, the plug-in type shifter collar outside and top are drawn between the nut wall and are equipped with spring, during butt joint, double end engagement denticle insert between the plug-in type shifter collar and under the effect of spring with plug-in type shifter collar internal tooth Elastic Meshing.

9, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the expansion theory of engagement to force the engaging screw moment formation expansion engagement between the pile tube that needs pile extension to be docked.On structure design: 1. rising to draw nut and push up among the 26S Proteasome Structure and Function the application who draws nut is described herein.2. the design of engaging screw is three of a feature of the present invention, its major function is: the one, and the engaging tooth segment in the engaging screw draws when plug-in type is nibbled cover in the nut inserting the top by force, the pin that expands is opened engaging tooth segment is swollen, make engaging tooth segment instantaneous expansion distortion in plug-in type engaging tooth in the nut is drawn on the top, the plug-in type that is engaged on firmly in the expansion chamber is nibbled in the cover; The 2nd, the screw section in the engaging screw with rise draw nut to spin after, can moment draw nut to realize that plug-in type expands to mesh and dock with the top, thus can be with docking between pile tube and pile tube with expansion ways of connecting permanent finishing of moment.The bloated pin of engaging screw engaging tooth segment end be engaging tooth segment be able to that instantaneous expansion struts basic, it is similar to, and taper-----point is gone up thick down, after inserting engaging tooth segment, engaging tooth segment can be strutted, produces permanent deformation, the permanent locking plug-in type in the expansion chamber of nut is drawn on the top along its guiding wire casing moment of expanding and nibble in the cover.3. rising, to draw nut and top to draw nut be four of feature of the present invention with the design of end plate welding connection structure respectively, and its major function is: the one, guarantee to rise draw nut and top draw nut distribute accurately, be convenient between pile tube and pile tube fast, accurately dock; The 2nd, can be effectively draw power that nut and top draw nut to be delivered to the end face of pile tube equably by its end plate with acting on to rise, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 9: pile for prestressed pipe reinforcing bar pile extension button draws nut and top to draw nut to constitute by rising, 2 or a plurality of rising draw the nut circle distribution on end plate, screw section in the engaging screw is screwed in to rise and draws in the nut, 2 or a plurality of top draw the nut circle distribution on end plate, the plug-in type shifter collar is positioned at the expansion chamber that nut is drawn on the top, the plug-in type shifter collar outside and top are drawn between the nut wall and are equipped with spring, during butt joint, plug-in type is nibbled cover and is positioned at the top and draws the expansion chamber of nut, and the engaging tooth segment of engaging screw inserts the top and draws plug-in type in the nut to nibble in the cover and mesh with engaging tooth in its cover.

10, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 9, remove end plate and promptly constitute the elastic meshing body pile extension and buckle.

Technical scheme 10: pile for prestressed pipe reinforcing bar pile extension button draws nut, engaging screw and top to draw nut to constitute by rising, rise and draw nut to be screwed in the screw section of engaging screw, the plug-in type shifter collar is positioned at the top and draws the nut expansion chamber, the plug-in type shifter collar outside and top are drawn between the nut wall and are equipped with spring, during butt joint, the meshing-body of engaging screw insert that the top is drawn in the plug-in type shifter collar in the nut and with its cover in the engaging tooth engagement.

11, the prestressing force pipe fitting is haled fastener pile extension button:

To draw the design of nut and end plate welding connection structure be one of feature of the present invention on the top, and its major function is: the one, guarantee to rise draw nut distribute accurately, be convenient between pile tube and pile tube quick, accurately dock; The 2nd, can be effectively be delivered to the end face of pile tube equably by its end plate with acting on the power of drawing nut of rising, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 11: pile for prestressed pipe pile extension button draws nut to constitute by 2 or a plurality of top, 2 or a plurality of top draw the nut circle distribution on end plate, the expansion shifter collar is positioned at the expansion chamber that nut is drawn on the top, during butt joint, the expander of double-end expansion meshing-body expands to be engaged on and pushes up in the expansion shifter collar that draws in the nut under the effect of the pin that expands.

12, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the interference bonding principle of pegging graft to force the double end grafting body moment between the pile tube that needs pile extension to form the bonding butt joint of pegging graft.On structure design: the design of the nut of 1. pegging graft is one of feature of the present invention, and its major function is: the one, and the screw thread in the grafting nut rises hales action of steel bars; The 2nd, have a reinforced hole at the bottom of the cap of nut, the periphery of reinforced hole is reinforcing bar heading Ka Tai, this reinforcing bar heading card platform can be stuck in the reinforcing bar heading that will connect in the grafting nut firmly; The 3rd, the design of cavity in the grafting nut, can moment double end be pegged graft in the cavity that is plugged on the grafting nut behind the grafting body coating adhesive in the body (or in the cavity of grafting nut coating adhesive).2. the design of double end grafting body is two of a feature of the present invention, and its major function is: the one, and the grafting body in the double end grafting body in the cavity in the interference insertion grafting nut, forms whole built-in structure with the grafting nut behind coating adhesive; The 2nd, after the grafting body at two ends inserted cavity in the grafting nut respectively in the double end grafting body, with docking with mode permanent the finishing of moment bonding and that deposit of pegging graft between pile tube and pile tube, the body of forever double end being pegged graft was fixed in the cavity of grafting nut.

Technical scheme 12: pile for prestressed pipe pile extension button is made of two or more grafting nuts, and during butt joint, it is interior and firmly affixed or bonding with its cavity that double end grafting body inserts two cavitys in the grafting nut respectively.

13, the prestressing force pipe fitting is haled fastener pile extension button:

The design of grafting nut and end plate welding connection structure is one of feature of the present invention, and its major function is: the one, the nut of guaranteeing to peg graft distribute accurately, be convenient between pile tube and pile tube fast, accurately dock; The 2nd, can be effectively the power that acts on the grafting nut be delivered to the end face of pile tube equably by its end plate, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 13: pile for prestressed pipe pile extension button is made of two or more grafting nuts, and two or more grafting nuts are distributed on the end plate, and during butt joint, it is interior and firmly affixed or bonding with its cavity that double end grafting body inserts two cavitys in the grafting nut respectively.

14, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the expansion hanging principle to force the expansion hanging screw moment formation expansion hanging between the pile tube that needs pile extension to dock.On structure design: the design that 1. articulates nut is one of feature of the present invention, and its major function is: the one, and articulate the screw thread in the nut and the screw section of expansion hanging screw and spin, work to hale reinforcing bar, pile extension; The 2nd, have a reinforced hole at the bottom of the cap of nut, the periphery of reinforced hole is reinforcing bar heading Ka Tai, this reinforcing bar heading card platform can be stuck in the reinforcing bar heading that will connect firmly and articulate in the nut.Its major function is: the one, hale the longitudinal reinforcement in the pile tube; The 2nd, be prefabricated component with prefabricated component between (being connected between being connected between pile tube and pile tube, between precast plate and precast plate, bridge pier and bridge pier, electric pole preform rod with between preform rod) when docking, in the expansion hanging screw boss of expansion hanging section insert articulate in the nut lumen and under the effect of the pin that expands with the chamber in inner convex platform form to articulate and combine; Haling longitudinal reinforcement is meant: after articulating the longitudinal reinforcement that nut is through pile tube, heading is upset at the two ends of its longitudinal reinforcement, the heading at its two ends is connected on the reinforcing bar heading Ka Tai that articulates nut firmly, fixedly articulate an end of nut, the other end with hale screw and spin after, hale screw and can realize haling the purpose that longitudinal reinforcement extends; 2. the design of expansion hanging screw is two of a feature of the present invention, its major function is: the one, and the expansion hanging section in the expansion hanging screw is after the insertion by force of the pin that is subjected to expanding, and its expansion hanging section expands in articulating the nut chamber and the expansion hanging boss of expansion hanging paragraph header portion can expand in articulating the nut chamber, articulate with inner convex platform formation in the chamber; The 2nd, the screw section in the expansion hanging screw with articulate nut and spin after, and the expansion hanging section can be docked with articulating nut realization plug-in type expansion hanging in moment, thereby docking with mode moment of expansion hanging between pile tube and pile tube can be finished.

Technical scheme 14: pile for prestressed pipe pile extension button constitutes by articulating nut, articulate the screw section that nut is screwed in the expansion hanging screw, during butt joint, the expansion hanging boss of expansion hanging screw expansion hanging under the effect of the pin that expands articulates in nut and with the inner convex platform that articulates the nut chamber.

15, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 14, the design that articulates nut and end plate welding connection structure is one of feature of the present invention, and its major function is: the one, guarantee to articulate nut distribute accurately, be convenient between pile tube and pile tube fast, accurately dock; The 2nd, can be effectively be delivered to the end face of pile tube equably by its end plate with acting on the power that articulates nut, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 15: pile for prestressed pipe pile extension button is made of 2 or a plurality of nut that articulates, 2 or a plurality of nut that articulates are distributed on the end plate, articulate the screw section that nut is screwed in the expansion hanging screw, during butt joint, the expansion hanging boss of expansion hanging screw articulates in the expansion hanging nut and with the inner convex platform that articulates the nut chamber under the effect of the pin that expands.

16, the prestressing force pipe fitting is haled fastener pile extension button:

The application adopts the expansion principle to force the double-end expansion hanging body between the pile tube that needs pile extension to form the butt joint of expanding in moment.On structure design: 1. pushing up and drawing the design of nut is one of feature of the present invention, and its major function is: the one, and the top is drawn the screw thread in the nut to rise and is haled action of steel bars; The 2nd, the top has a reinforced hole at the bottom of drawing the cap of nut, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, and this reinforcing bar heading card platform can be stuck in the reinforcing bar heading that will connect firmly to push up and draw in the nut; The 3rd, the design that the nut lumen is drawn on the top, the particularly design of pawl engaging structure in the chamber can form the hook drawknot with expansion hanging body in the double end varicosity and close----------by the pin that expands can moment with the expansion hanging volume expansion in the double-end expansion hanging body in the chamber of nut is drawn on the top and form hook and draw engaging structure.2, the design of double-end expansion hanging body is two of a feature of the present invention, its major function is: the one, the expansion hanging body in the double-end expansion hanging body (the particularly boss on the expansion hanging body) can be in chamber in the nut be drawn on the top after being subjected to the inserting by force of its pin that expands the inner convex platform of instantaneous expansion distortion and expansion chamber form engagement, and the expansion hanging body after the dilatancy can be locked in the chamber firmly; The 2nd, the expansion hanging body at two ends draws the moment of nut lumen can realize expansion hanging respectively with under the effect of the pin that expands inserting the top in the double-end expansion hanging body, thereby docking with mode moment of expansion hanging between pile tube and pile tube can be finished.The bloated pin that the double-end expansion hanging volume expansion articulates end of body be the expansion hanging body be able to that instantaneous expansion struts basic, it is similar to, and taper-----point is gone up thick down, after inserting the expansion hanging body, the expansion hanging body can be strutted, produces permanent deformation, permanent locking in the chamber of nut is drawn on the top along its guiding wire casing moment of expanding.

Technical scheme 16: double-end expansion hanging pile extension button draws nut to constitute by 2 or a plurality of top, and during butt joint, the expansion hanging body of double-end expansion hanging body articulates in expansion hanging chamber in the nut is drawn on two tops and with boss in the chamber at expansion hanging under the effect of the pin that expands.

17, the prestressing force pipe fitting is haled fastener pile extension button:

On the basis of technique scheme 16, to draw the design of nut and end plate welding connection structure be one of feature of the present invention on the top, and its major function is: the one, guarantee to push up draw nut distribute accurately, be convenient between pile tube and pile tube quick, accurately dock; The 2nd, can be effectively be delivered to the end face of pile tube equably by its end plate with acting on the power of drawing nut in the top, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.

Technical scheme 17: double-end expansion hanging pile extension button draws nut to constitute by 2 or a plurality of top, two or more tops draw nut to be distributed on the end plate, during butt joint, the expansion hanging body of double-end expansion hanging body articulates in expansion hanging chamber in the nut is drawn on two tops and with boss in the chamber at expansion hanging under the effect of the pin that expands.

18, prestressing force prefabricated component:

Technical scheme 18: on the basis of technique scheme 1, reinforcing bar is haled the prestressing force prefabricated component of fastener, some longitudinal reinforcements and circumferential reinforcement in the prestressing force prefabricated component constitute the prefabricated component cage of reinforcement, and the two ends of described longitudinal reinforcement are connected to respectively and are positioned at rising of prefabricated component two ends and draw nut and top to draw on the reinforcing bar heading Ka Tai of nut.

19, prestressing force prefabricated component:

Technical scheme 19: the forming method of prestressing force prefabricated component, the two ends of some longitudinal reinforcements upset into heading be connected to respectively be positioned at rising of prefabricated component two ends draw nut and the top draw on the reinforcing bar heading Ka Tai of nut, rise and draw nut and top to draw nut to adopt respectively to be bolted on rise arm-tie and the fixed head, put it in the shaping mould then, inject concrete, matched moulds is haled the arm-tie that rises to the pressure that sets, centrifugally make stake, promptly get the prestressing force prefabricated component.

20, prestressing force prefabricated component:

Technical scheme 20: the docking calculation between the prestressing force prefabricated component, the end of two prefabricated components that dock be respectively equipped with several rise draw nut and and with it corresponding several tops draw nut, two or multi-disc combination sleeve is positioned at the top and draws nut, intermediate sleeve is screwed in the top and draws in the nut and be positioned on two or the multi-disc combination sleeve, connecting rod one end with rise draw that nut spins, the other end and top draw two or multi-disc combination sleeve formation clamping in the nut.

The present invention compares with background technology, and the one, the defective that the pipe pile reinforcing bar skeleton that does not fundamentally exist background technology to exist separates with pile tube end plate two; The 2nd, the pile extension phenomenon of rupture takes place when fundamentally avoiding present all pile tubes and pile tube pile extension or behind the pile extension, guaranteed the safety factor and the safety of piling quality, fundamentally guaranteed building, particularly the reliability of high-rise building foundation quality; The 3rd, the present invention is not owing to exist up and down pile crown plate, therefore do not have the crackle that produced between pile crown end plate and the concrete and the spillage phenomenon that caused of pile crown plate up and down, guaranteed pile tube globality and intensity, eliminated the pile breaking phenomenon of background technology existence; The 4th, because the skirtboard that the present invention does not exist pile crown plate up and down to be had, therefore can make circumferential reinforcement spot weld the longitudinal reinforcement two ends, do not exist to leak to weld and punctuate, when haling longitudinal reinforcement, steel hoop on the longitudinal reinforcement can extend with the extension of longitudinal reinforcement synchronously, guaranteed the uniformity and the globality of pipe pile reinforcing bar skeleton quality, has fundamentally solved piling that background technology exists when stressed, its pile tube fragmentation, the fracture defective; The 5th, solve the problem that some vertical rod irons in the pile tube can't the standardization longitudinal extension, realized the uniformity of pile tube intensity, pile tube inherent quality; The 6th, reduced the cost of production of pile tube widely, only remove one of tubular pile head end plate, only domestic annual demand is saved about 30 yuan of cost for every more than 100,000,000, can produce unexpected economic benefit and social benefit every year for saving RMB more than 3,000,000,000 yuan; The 7th, start made between pile tube and pile tube, the novel docking structure between precast plate and precast plate, between bridge pier and bridge pier, between electric pole preform rod and preform rod.

Description of drawings:

Fig. 1 is that rising of female thread structure drawn nut sectional structure schematic diagram.

Fig. 2 is the plan structure schematic diagram of Fig. 1.

Fig. 3 is that nut sectional structure schematic diagram is drawn on the top of interior interface arrangment.

Fig. 4 is the plan structure schematic diagram of Fig. 3.

Fig. 5 is the sectional structure schematic diagram that external thread structure rises and draws nut.

Fig. 6 is the plan structure schematic diagram of Fig. 5.

Fig. 7 is that wild card access node structure rises and draws the structural representation of nut.

Fig. 8 is the plan structure schematic diagram of Fig. 7.

Fig. 9 is the structural representation that two female thread structures rise and draw nut and have heading rod iron formation.

Figure 10 is the rod iron schematic diagram that has heading.

Figure 11 is the structural representation that two external thread structures rise and draw nut and have heading rod iron formation.

Figure 12 is that two interior interface arrangment tops are drawn nut and had the structural representation that the heading rod iron constitutes.

Figure 13 is that interior card structure top draws nut, external thread structure to rise to draw nut and have the structural representation that the heading rod iron constitutes.

Figure 14 is the structural representation that two wild card access node structures rise and draw nut and have heading rod iron formation.

Figure 15 is that interior card structure top draws nut and female thread structure to rise to draw nut and have the structural representation that the heading rod iron constitutes.

Figure 16 is the structural representation that outer card structure and female thread structure rise and draw nut and have heading rod iron formation.

Figure 17 is the structural representation that interior card structure top draws nut and outer card structure to rise and draw nut and have heading rod iron formation.

Figure 18 is that outer card structure rises and draws nut and external thread structure to rise to draw nut and have the structural representation that the heading rod iron constitutes.

Figure 19 is the sectional structure schematic diagram of intermediate sleeve.

Figure 20 is the sectional structure schematic diagram of elastic ring.

Figure 21 is the sectional structure schematic diagram of combination sleeve.

Figure 22 is the structural representation of connecting rod.

Figure 23 is the sectional structure schematic diagram that nut is drawn on the top.

Figure 24 is the sectional structure schematic diagram of pile for prestressed pipe pile extension button.

Figure 25 is the sectional structure schematic diagram that nut is drawn on expansion cavate top.

Figure 26 is the plan structure schematic diagram of Figure 25.

Figure 27 is the structural representation of setscrew.

Figure 28 is the plan structure schematic diagram of Figure 27.

Figure 29 is the structural representation that expands and sell.

Figure 30 is the structural representation of pile for prestressed pipe pile extension button.

Figure 31 is the sectional structure schematic diagram of end plate type female thread structure.

Figure 32 is the sectional structure schematic diagram that nut is drawn on end plate type expansion cavate top.

Figure 33 is the structural representation of setscrew.

Figure 34 is the structural representation that expands and sell.

Figure 35 is the structural representation that pile for prestressed pipe connects expansion pile extension button.

Figure 36 has the sectional structure schematic diagram that nut is drawn on the top of meshing tooth cavity.

Figure 37 is the structural representation of expansion engaging screw.

Figure 38 is the plan structure schematic diagram of Figure 37.

Figure 39 is the structural representation that pile for prestressed pipe connects the engagement pile extension button that expands.

Figure 40 is that the sectional structure schematic diagram of nut is drawn on the top that has end plate and engagement tooth cavity.

Figure 41 pile for prestressed pipe reinforcing bar is haled the structural representation of the board-like pile extension button of fastener expansion end of engagement.

Figure 42 is the structural representation that nut is drawn on the top that has a shifter collar.

Figure 43 is the structural representation of shifter collar.

Figure 44 is the structural representation of expansion engaging screw.

Figure 45 is the plan structure schematic diagram of Figure 44.

Figure 46 is the structural representation that shell type pile extension button is nibbled in the pile for prestressed pipe expansion.

Figure 47 expands to push up the structural representation that draws nut.

Figure 48 is the structural representation of double-end expansion meshing-body.

Figure 49 is the structural representation of pile for prestressed pipe double-end expansion engagement pile extension button.

Figure 50 is that the structural representation that draws nut is pushed up in the expansion that has end plate.

Figure 51 is the structural representation of the board-like pile extension button of pile for prestressed pipe double-end expansion end of engagement.

Figure 52 is the sectional structure schematic diagram that expansion nut is drawn on the top.

Figure 53 is the structural representation of plug-in type shifter collar.

Figure 54 is the structural representation of double end engagement denticle.

Figure 55 is the structural representation of double end meshing-body pile extension button.

Figure 56 is the sectional structure schematic diagram that expansion nut is drawn on the top that has an end plate.

Figure 57 is the structural representation that double end meshing-body end plate pile extension is buckled.

Figure 58 has the sectional structure schematic diagram that expansion nut is drawn on the end plate top.

Figure 59 has rising of end plate to draw the nut structure schematic diagram.

Figure 60 is the structural representation of engaging screw.

Figure 61 goes up the structural representation that slotting elastic meshing body end plate pile extension is buckled under the spiral shell.

Figure 62 is that nut sectional structure schematic diagram is drawn on the top.

Figure 63 is the structural representation of double-end expansion meshing-body.

Figure 64 is the structural representation of double-end inserting expansion meshing body pile extension button.

Figure 65 is the sectional structure schematic diagram that expansion nut is drawn on the top that has an end plate.

Figure 66 is a double-end inserting expansion meshing body end plate pile extension buckle structure schematic diagram.

Figure 67 is the structural representation of grafting nut.

Figure 68 is the structural representation of double end grafting body.

Figure 69 is the structural representation of plug-in type pile extension button.

Figure 70 is the structural representation that has two grafting nuts of end plate.

Figure 71 is the structural representation that plug-in type end plate pile extension is buckled.

Figure 72 is the structural representation that nut is drawn on the top.

Figure 73 is the structural representation of engaging screw.

Figure 74 is a structural representation of going up slotting elastic meshing body pile extension button under the spiral shell.

Figure 75 is the structural representation that nut is drawn on the top that has an end plate.

Figure 76 is the structural representation of double-end expansion meshing-body.

Figure 77 is the structural representation that double-end expansion meshing-body pile extension end plate pile extension is buckled.

Figure 78 is the structural representation that articulates nut.

Figure 79 is the structural representation that expands and sell.

Figure 80 is the structural representation of expansion hanging screw.

Figure 81 is the structural representation that articulates nut.

Figure 82 is the structural representation of expansion hanging formula pile extension button.

Figure 83 is the structural representation that articulates nut.

Figure 84 is the structural representation that articulates nut that has end plate.

Figure 85 is the structural representation that expansion hanging end plate pile extension is buckled.

Figure 86 is the structural representation of double-end expansion meshing-body.

Figure 87 is the structural representation that nut is drawn on the top.

Figure 88 is the structural representation that expands and sell.

Figure 89 is the structural representation of double-end expansion meshing-body pile extension button.

Figure 90 is the structural representation of double-end expansion hanging body.

Figure 91 is the structural representation that expands and sell.

Figure 92 is the structural representation that nut is drawn on the top.

Figure 93 is the structural representation of double-end expansion hanging pile extension button.

Figure 94 is that double-end expansion hanging end plate pile extension is buckled.

Figure 95 is the structural representation of double-end expansion hanging body.

Figure 96 is the structural representation that nut is drawn on band edge plate top.

Figure 97 is the structural representation that expands and sell.

Figure 98 is concrete precast element and docking structure schematic diagram.

Figure 99 is the local structure for amplifying schematic diagram that elasticity is pegged graft and meshed among Figure 98.

Figure 100 is concrete precast element and docking structure schematic diagram.

Figure 101 is the local structure for amplifying schematic diagram that expands and mesh among Figure 98.

Figure 102 is the schematic diagram of concrete precast element molding structure.

The specific embodiment:

Embodiment 1: with reference to accompanying drawing 1～8.The pile for prestressed pipe reinforcing bar is haled fastener and is adopted material and one-tenth female thread structures 1 and 2 such as cast steel, cast iron, forging, steel, nylon, sees accompanying drawing 1; Or be external thread structure 2, see accompanying drawing 5 and 6; Or interface arrangment 3 in being, see accompanying drawing 3 and 4; Or be wild card access node structure 4, see accompanying drawing 7 and 8; The center has reinforced hole 5 at the bottom of the fastener chamber of female thread structure 1, external thread structure 2, interior interface arrangment 3, wild card access node structure 4, and the periphery of reinforced hole one end is a reinforcing bar heading card platform 6, and the heading 7 of reinforcing bar is connected on the Ka Tai.The shape of haling fastener of haling fastener or outer card structure of interior card structure is the in-line structure or is decussate texture.

Embodiment 2: with reference to accompanying drawing 9 and 10.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener 1 and reinforcing bar (rod iron) 8 formations of fastener by two female thread structures.

Embodiment 3: with reference to accompanying drawing 11.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener 2 and reinforcing bar (rod iron) 8 formations of fastener by two external thread structures.

Embodiment 4: with reference to accompanying drawing 12.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener 3 and reinforcing bar (rod iron) 8 formations of fastener by two interior interface arrangments.

Embodiment 5: with reference to accompanying drawing 13.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener and is made of the fastener 4 of an external thread structure and the fastener 3 and the reinforcing bar (rod iron) 8 of an interior interface arrangment.

Embodiment 6: with reference to accompanying drawing 14.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener 4 and reinforcing bar (rod iron) 8 formations of fastener by two wild card access node structures.

Embodiment 7: with reference to accompanying drawing 15.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener and is made of the fastener 1 of a female thread structure and the fastener 3 and the reinforcing bar (rod iron) 8 of an interior interface arrangment.

Embodiment 8: with reference to accompanying drawing 16.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener and is made of the fastener 1 of a female thread structure and the fastener 4 and the reinforcing bar (rod iron) 8 of a wild card access node structure.

Embodiment 9: with reference to accompanying drawing 17.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener and is made of the fastener 4 of an outer card structure and the fastener 3 and the reinforcing bar (rod iron) 8 of an interior interface arrangment.

Embodiment 10: with reference to accompanying drawing 18.On the basis of embodiment 1, the pile for prestressed pipe reinforcing bar is haled fastener and is made of the fastener 2 of an external thread structure and the fastener 4 and the reinforcing bar (rod iron) 8 of a wild card access node structure.

Embodiment 11: with reference to attached Fig. 1 and 2, Figure 19～Figure 24.The pile for prestressed pipe reinforcing bar is haled fastener pile extension button, rise and draw nut 1 to be internal thread adapter sleeve and employing prior art casting machine-shaping, the top draws nut 13 to be internal thread adapter sleeve and employing prior art casting machine-shaping, rounded or the rectangle of two or multi-disc combination sleeve 11 and be positioned at the top and draw nut 13, no matter it is two, or the sleeve of multi-disc combination forming, the outside of its cover is equipped with elastic ring (rubber band, the metallic elastic circle, elastic steel traveler) 10, purpose can reset the combination sleeve behind the spreading, two or multi-disc combination sleeve, 11 inboards are dentalation and are complementary with the tooth assembling structure of connecting rod 12 1 ends, form the pawl clamping.External screw thread intermediate sleeve 9 is screwed in the top and draws in the nut 13 and be positioned on two or the multi-disc combination sleeve 11, and purpose stops 11 displacements of combination sleeve.During butt joint, connecting rod 12 1 ends with rise draw that nut 1 screw thread spins, the other end and two or multi-disc combination sleeve 11 formation flexible clampings.The center of rising at the bottom of the cap that draws nut 1 has the rod iron hole, and the periphery in rod iron hole is reinforcing bar (rod iron) heading Ka Tai, and the heading of reinforcing bar (rod iron) is connected on the Ka Tai; The center at the bottom of the cap of nut 13 of drawing, top has the rod iron hole, and the periphery in rod iron hole is rod iron heading Ka Tai, and the heading of rod iron 8 is connected on the Ka Tai.Two or multi-disc combination sleeve, 11 inboards are dentalation and are complementary with toothed rod in the connecting rod 12.

Embodiment 12: with reference to attached Fig. 1 and 2, Figure 25～Figure 30.Apical grafting stake button draws nut 1, setscrew 15 and top to draw nut 14 to constitute under the last spiral shell by rising, and during butt joint, the screw section of setscrew 15 is screwed in to rise and draws in the nut 1, and the expander of setscrew 15 expands in expansion chamber in the nut 14 is drawn on the top, sees accompanying drawing 25 and 30.Rise and draw nut 1 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the center at the bottom of the cap that draws nut that rises has rod iron hole 5, the periphery in rod iron hole 5 is a reinforcing bar heading card platform 6, rise and draw the screw thread in the nut 1 to hale reinforcing bar, pile extension effect, see accompanying drawing 1 for haling the pile extension screw thread, plaing; The top draws nut 14 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) make by existing casting or injection moulding or ceramic sintering or machining technique, the top draw nut 14 tops for hale screw thread, the bottom is an expansion chamber 17, the center at the bottom of the cap of nut 14 of drawing, top has rod iron hole 5, the periphery in rod iron hole is a reinforcing bar heading card platform 6, and the top draws the expansion chamber 17 in the nut 14 to have tapering, and it is big down little that cavity is; The top draws the screw thread on nut 14 tops for haling screw thread, rises and hales action of steel bars, pushes up in the expansion chamber 17 that draws in the nut for the ease of the expander moment insertion in the setscrew 15, draws the entrance point of haling screw thread of nut that one circle enlarging is arranged on the top, sees accompanying drawing 27.Setscrew 15 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, setscrew 15 is by the pin 16 that expands, expander and screw body constitute, expander and screw body are overall structure, the head of swollen pin 16 is inserted in the centre pilot passage of expander upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, push up in the expansion chamber 17 that draws in the nut for the ease of the expander moment insertion in the setscrew 15, the arm of angle that connects of the end of the expander of setscrew 15 is outwelled a circle, see accompanying drawing 27.

Embodiment 13: with reference to accompanying drawing 31～35.On the basis of embodiment 12,2 or a plurality of rising draw nut 1 and 2 or a plurality of top to draw nut 14 circle distribution (welding) on end plate 18.

Embodiment 14: with reference to accompanying drawing 1 and 33, Figure 36～Figure 39.The prestressing force pipe fitting is haled fastener pile extension button and is drawn nut 1 and top to draw nut 19 to constitute by rising, rise and draw nut 1 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, potteries etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the center at the bottom of the cap that draws nut 1 that rises has reinforced hole 5, and the periphery of reinforced hole is a reinforcing bar heading card platform 6.The top draws nut 19 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the top draws nut top to mesh chamber 20 for expanding for haling screw thread, bottom, the center at the bottom of the cap of nut 19 of drawing, top has reinforced hole 5, the periphery of reinforced hole is a reinforcing bar heading card platform 6, the top draws the expansion engagement chamber of nut interior 19 to have tapering and the wall in the engagement chamber of expanding is the pawl structure, expanding, it is big little to mesh under the chamber, and the top draws the screw thread on nut 19 tops for haling screw thread.Rise and draw nut 1 to be screwed in the screw section of expansion engaging screw 21, during butt joint, the expansion tooth section of expansion engaging screw 21 expands to be engaged under the effect of the pin 16 that expands and pushes up in the expansion engagement chamber 20 of drawing in the nut 19.Expansion engaging screw 21 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) make by existing casting or injection moulding or machining technique and constitute by expansion tooth section and screw section, expansion tooth section and screw section are overall structure, the expansion tooth Duan Chengshun toothing of expansion engaging screw 21 and the pawl engagement of drawing the engagement chamber wall that expands in the nut 19 with the top, the head of bloated pin 16 is inserted in the centre pilot passage of expansion tooth section upper end, vertically has 1 or 2 or many guiding wire casings that expand on the wall of guide channel.Rise and draw screw thread in the nut for haling the pile extension screw thread, play reinforcing bar, the pile extension effect of haling.

Embodiment 15: with reference to accompanying drawing 31 and 33, Figure 38 and 39, Figure 40 and 41.On the basis of embodiment 14,2 or a plurality of rising draw nut 1 and 2 or a plurality of top to draw nut 19 circle distribution (welding) on end plate 18.

Embodiment 16: with reference to accompanying drawing 1 and 33, Figure 42～46.The prestressing force pipe fitting is haled fastener pile extension button and is drawn nut 1 and top to draw nut 22 to constitute by rising, rise and draw nut 1 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, rise and draw nut 1 to be screwed in the screw section of expansion engaging screw 24, shifter collar 23 is positioned at the top and draws nut 22 expansion chambers, the top draws nut 22 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, nylon, synthetic plastic, potteries etc.) by having the making of casting or injection moulding or ceramic sintering or machining technique now, during butt joint, the expansion tooth section of expansion engaging screw 24 expands to be engaged on to push up to push up in the shifter collar 23 that draws in the nut under the effect of the pin 16 that expands and draws nut 22 tops for haling screw thread, the bottom is an expansion chamber 25, the center at the bottom of the cap of nut of drawing, top has reinforced hole 5, and the periphery of reinforced hole is a reinforcing bar heading card platform 6.Tooth in the shifter collar 23 in the expansion chamber is the pawl structure, and expansion chamber is big down little, and the top draws the screw thread on nut 22 tops for haling screw thread.The expansion engaging screw is made of expansion meshing-body and screw, expansion meshing-body and screw are overall structure, the expansion tooth Duan Chengshun toothing of expansion engaging screw and draw in the nut engagement of the pawl in the shifter collar with the top, the head of swollen pin is inserted in the centre pilot passage of expansion meshing-body upper end, vertically has 1 or 2 or many guiding wire casing that expands on the wall of guide channel.

Embodiment 17: with reference to accompanying drawing 33, Figure 47～49.The prestressed pipe reinforcing bar is haled fastener stake pile extension button, hales fastener and draws nut 26 to constitute by 2 or a plurality of top, and during butt joint, the expander of double-end expansion meshing-body 28 is seen accompanying drawing 47 expanding under the effect of the pin 16 that expands in expansion chamber 27 in the expansion nut 26 is drawn on the top.The top draws expansion nut 26 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The cap mouth of expansion nut 26 is drawn on the top, and inboard the periphery of reinforced hole is a reinforcing bar heading card platform 6 for the center of haling at the bottom of screw thread, the cap has reinforced hole 5, and Ka Tai is an expansion chamber 27 with haling between screw thread, sees accompanying drawing 47.Expansion chamber 47 has tapering, and it is big down little that cavity is; Haling screw thread rises and hales action of steel bars; Vertically have 1 or 2 or many guiding wire casing that expands on the wall of the guide channel of the expander of double-end expansion body 28.There is bloated pin-and-hole at the center of the expander of double-end expansion body 28.Double-end expansion body 28 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, double-end expansion body 28 is made of two expanders, two expanders are overall structure, the head of swollen pin 16 is inserted in the centre pilot passage of expander upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, insert to rise for the ease of the expander moment in the double-end expansion body 28 and draw in the expansion chamber 27 in the expansion nut, the arm of angle that connects of the end of the expander of double-end expansion body 28 is outwelled a circle, see accompanying drawing 48.Expansion nut 26, double-end expansion meshing-body 28 are drawn in the top, the pin 16 that expands adopts metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 18: with reference to accompanying drawing 33, Figure 48, Figure 50～51.On the basis of embodiment 17,2 or a plurality of rising draw nut 1 and 2 or a plurality of top to draw nut 26 circle distribution (welding) on end plate 18.

Embodiment 19: with reference to accompanying drawing 52～55.Double-end inserting elastic meshing body pile extension button, plug-in type shifter collar 30 is positioned at the expansion chamber that nut 29 is drawn on the top, the plug-in type shifter collar outside and top are drawn and are equipped with spring 32 between the expansion nut wall, the general stage clip that adopts, stage clip one end is positioned at the top and draws nut wall mesopore and draw with the top that the rivet of nut cinclides end touches mutually, touch mutually outside the other end and the plug-in type shifter collar, during butt joint, double end engagement denticle 31 inserts between the plug-in type shifter collar and under the effect of spring, double end engagement denticle 31 and 30 engagements of plug-in type shifter collar are seen accompanying drawing 55.The top draws expansion nut 29 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The top draws that the cap mouth of expansion nut is inboard to have reinforced hole 5 for the center of haling at the bottom of screw thread, the cap, the periphery of reinforced hole is a reinforcing bar heading card platform 6, Ka Tai and hale between screw thread and to be the engagement chamber of expanding, plug-in type shifter collar 30 is positioned at the top and draws the expansion chamber of nut and plug-in type shifter collar to be the pawl structure, sees accompanying drawing 55.Expansion chamber has tapering, and it is big down little that cavity is; Haling screw thread rises and hales action of steel bars; Engaging tooth on the wall at double end engagement denticle two ends is suitable toothing and draws the pawl formation elasticity of plug-in type shifter collar inboard in the expansion nut to combine with the top.Double end engagement denticle adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, push up in the plug-in type shifter collar that draws in the expansion nut for the ease of the moment insertion of double end engagement denticle, double end is meshed the arm of angle that connects of the end of denticle and outwell a circle, see accompanying drawing.The top draws nut, plug-in type shifter collar and double end engagement denticle to adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 20: with reference to accompanying drawing 53 and 54, Figure 56 and 57.On the basis of embodiment 19,2 or a plurality of top draw nut circle distribution (welding) on end plate 18.

Embodiment 21: with reference to accompanying drawing 53, Figure 58～61.The prestressed pipe reinforcing bar is haled fastener stake pile extension button, it comprises end plate 18,2 or a plurality of rising draw nut 34 circle distribution on end plate 18, screw section in the engaging screw 35 is screwed in to rise and draws in the nut 34,2 or a plurality of top draw nut 33 circle distribution on end plate 18, plug-in type shifter collar 30 is positioned at the expansion chamber that nut 33 is drawn on the top, plug-in type shifter collar 30 outsides and top are drawn and are equipped with spring 32 between the nut wall, the general stage clip that adopts, stage clip one end is positioned at the top and draws nut wall mesopore and draw the rivet of nut cinclides end to touch mutually with the top, the other end touches mutually with the plug-in type shifter collar outside, during butt joint, plug-in type is nibbled cover 30 and is positioned at the expansion chamber that nut 33 is drawn on the top, the engaging tooth segment of engaging screw 35 inserts the top and draws plug-in type in the nut to nibble in the cover and mesh with engaging tooth in its cover, sees accompanying drawing 62.Rise and draw nut 34 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, potteries etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the center at the bottom of the cap that draws nut that rises has reinforced hole, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, rise and draw screw thread in the nut for haling the pile extension screw thread, play reinforcing bar, the pile extension effect of haling; The top draws nut 33 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making; The top draw nut 33 tops for hale screw thread, the bottom is an expansion chamber, plug-in type is nibbled cover and is positioned at expansion chamber, the center at the bottom of the cap of nut of drawing, top has reinforced hole 5, the periphery of reinforced hole is a reinforcing bar heading card platform 6, the top draws the plug-in type in the expansion chamber in the nut to nibble to overlap to be the pawl structure, it is big down little that expansion chamber is, and the top draws the screw thread on nut top for haling screw thread, rises and hales action of steel bars.Engaging screw and plug-in type are nibbled cover and are adopted metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making.The arm of angle that connects of the end of the engaging tooth segment of engaging screw is outwelled a circle, sees accompanying drawing 60.

Embodiment 22:, take down end plate and get final product on the basis of embodiment 21 with reference to accompanying drawing 1 and 53, Figure 72～74.Be that elastic meshing body pile extension button draws nut 34 by rising, engaging screw 35 and top draw nut 33 to constitute, rise and draw nut 34 to be screwed in the screw section of engaging screw 35, plug-in type shifter collar 30 is positioned at the top and draws nut 33 expansion chambers, the plug-in type shifter collar outside and top are drawn and are equipped with spring 32 between the nut wall, the general stage clip that adopts, stage clip one end is positioned at the top and draws nut wall mesopore and draw the rivet of nut cinclides end to touch mutually with the top, the other end touches mutually with the plug-in type shifter collar outside, during butt joint, the meshing-body of engaging screw 35 insert that the top is drawn in the plug-in type shifter collar 30 in the nut 33 and with its cover in the engaging tooth engagement, see accompanying drawing 74.Rise and draw nut 34 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the center at the bottom of the cap that draws nut that rises has reinforced hole 5, the periphery of reinforced hole is a reinforcing bar heading card platform 6, rise and draw the screw thread in the nut to hale reinforcing bar, pile extension effect, see accompanying drawing 59 for haling the pile extension screw thread, plaing; The top draws nut to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making; The top draw nut 33 tops for hale screw thread, the bottom is an expansion chamber, the plug-in type shifter collar is positioned in expansion chamber, the center at the bottom of the cap of nut of drawing, top has reinforced hole 5, the periphery of reinforced hole is a reinforcing bar heading card platform 6, it is greatly upward little down that expansion chamber is; The top draws the screw thread on nut top for haling screw thread, rises and hales action of steel bars.Engaging screw adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, engaging screw is made of meshing-body and screw, bloated meshing-body and screw are overall structure, the wall of engaging screw is along toothing and draws in the nut plug-in type shifter collar pawl to form expansion with the top and combines, the wall of engaging screw is along toothing and draws in the nut plug-in type shifter collar pawl to form expansion with the top and combines, rise and draw nut, the plug-in type shifter collar, engaging screw and top draw nut to adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 23: with reference to accompanying drawing 33 and 53, Figure 62～64.Double-end inserting expansion meshing body is haled fastener pile extension button, expansion shifter collar 30 is positioned at the expansion chamber that nut 33 is drawn on the top, during butt joint, the expander of double-end expansion meshing-body 36 expands to be engaged under the effect of the pin 16 that expands and pushes up in the expansion shifter collar 30 that draws in the nut, sees accompanying drawing 64.The top draws nut 29 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The top draws that the cap mouth of nut is inboard to have reinforced hole 5 for the center of haling at the bottom of screw thread, the cap, the periphery of reinforced hole is a reinforcing bar heading card platform 6, Ka Tai and hale between screw thread and to be the engagement chamber of expanding, the expansion shifter collar is positioned at the top and draws the expansion chamber of nut and expansion shifter collar to be the pawl structure, sees accompanying drawing 64.Expansion chamber has tapering, and it is big down little that cavity is; Haling screw thread rises and hales action of steel bars; Vertically have 1 or 2 or many guiding wire casing that expands on the wall of the guide channel of the expander of double-end expansion body.On the wall of double-end expansion meshing-body engaging tooth be along toothing and and rise and drawing in the nut 1 pawl between expansion shifter collar in the engagement chamber of expanding to form expansion hook drawknot to close.There is bloated pin-and-hole at the center of the expander of double-end expansion body.The double-end expansion body adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, the double-end expansion body is made of two expanders, two expanders are overall structure, the head of swollen pin is inserted in the centre pilot passage of expander upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, insert to rise for the ease of the expander moment in the double-end expansion body and draw in the expansion chamber in the nut, the arm of angle that connects of the end of the expander of double-end expansion body is outwelled a circle, see accompanying drawing 63.Rise and draw nut, expansion shifter collar, double-end expansion meshing-body and the pin that expands to adopt metal or nonmetals to make.Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 24: with reference to accompanying drawing 33 and 53, Figure 65 and 66.On the basis of embodiment 23,2 or a plurality of top draw nut circle distribution (welding) on end plate 18.

Embodiment 25: with reference to accompanying drawing 67～69.Plug-in type is haled fastener pile extension button and is made of two grafting nuts 37 and double end grafting body 38, and during butt joint, two of double end grafting body 38 patches that body is plugged on respectively in two cavitys in the grafting nut 37 and be firmly affixed with its cavity 18, sees accompanying drawing 69.Grafting nut 37 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The cap mouth of grafting nut is inboard, and the periphery of reinforced hole is a reinforcing bar heading card platform 6 for the center of haling at the bottom of screw thread, the cap has reinforced hole 5, and Ka Tai is a cavity with haling between screw thread, and the screw thread of haling of grafting nut cap mouth inboard rises and hales action of steel bars.Double end grafting body 38 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, in the cavity in the double end grafting body moment insertion grafting nut, the peg graft arm of angle that connects of end of body of double end is outwelled a circle, see accompanying drawing.

Embodiment 26: with reference to accompanying drawing 68, Figure 70 and 71.On the basis of embodiment 25,2 or a plurality of grafting nut circle distribution (welding) are on end plate 18.

Embodiment 27: with reference to accompanying drawing 33, Figure 75～77.Double-end expansion meshing-body is haled fastener pile extension end plate pile extension and is buckled, it comprises end plate 18,2 or a plurality of top draw nut 39 circle distribution (welding) on end plate 18, during butt joint, the expander of double-end expansion meshing-body 40 expand under the effect of the pin 16 that expands in expansion chamber in the nut 39 is drawn on the top and with the engagement of expanding of the engaging tooth of expansion chamber wall, the top draws nut 39 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The cap mouth of nut is drawn on the top, and inboard the periphery of reinforced hole is a reinforcing bar heading card platform 6 for the center of haling at the bottom of screw thread, the cap has reinforced hole 5, Ka Tai with hale between screw thread to expand the engagement chamber and the wall that meshes the chamber that expands are the pawl structure, see accompanying drawing 77.Expansion chamber has tapering, and it is big down little that cavity is; Haling screw thread rises and hales action of steel bars; Vertically have 1 or 2 or many guiding wire casing that expands on the wall of the guide channel of the expander of double-end expansion body 40.On the wall of double-end expansion meshing-body 40 engaging tooth be along toothing and draw in the nut 39 pawl of the engagement chamber wall that expands to form expansion and combine with the top.There is bloated pin-and-hole at the center of the expander of the bloated body 40 of the swollen engagement of double end.Double-end expansion meshing-body 40 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, double-end expansion meshing-body is made of two expanders, two expanders are overall structure, the head of swollen pin is inserted in the centre pilot passage of expander upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, push up in the expansion chamber that draws in the nut for the ease of the expander moment insertion in the double-end expansion body, the arm of angle that connects of the end of the expander of double-end expansion body is outwelled a circle, see accompanying drawing.The top draws nut, double-end expansion meshing-body and the pin that expands to adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 28: with reference to accompanying drawing 78～82.The expansion hanging formula is haled fastener pile extension button and is constituted by articulating nut 44, expansion hanging screw 43 and bloated pin 42, articulate the screw section that nut 44 is screwed in expansion hanging screw 43, during butt joint, the expansion hanging boss of expansion hanging screw articulates in the expansion hanging nut and with the inner convex platform that articulates nut chamber 41 under the effect of the pin 42 that expands, and sees accompanying drawing 82.Articulating nut 44 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making, the center that articulates at the bottom of the cap of nut 44 has reinforced hole 5, and the periphery of reinforced hole is a reinforcing bar heading card platform 6, and the cap mouth inboard of expansion hanging nut 44 is a screw thread.Articulate screw thread in the nut 44 for haling screw thread, 44 on expansion hanging spiral shell adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, expansion hanging screw 44 is made of expansion hanging section and screw section, expansion hanging section and screw section are overall structure, the expansion hanging head of expansion hanging screw be boss structure and with articulate nut chamber inner convex platform and articulate, hanging boss moment for the ease of the expansion in the expansion hanging screw inserts in the expansion chamber that articulates in the nut, the expansion of expansion hanging screw is hung the arm of angle that connects of the end of boss and outwell a circle, see accompanying drawing 80.Articulate nut, expansion hanging screw, expand to sell and adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 29: with reference to accompanying drawing 79 and 80, Figure 83～85.On the basis of embodiment 28,2 or a plurality of nut circle distribution (welding) that articulates are on end plate 18.

Embodiment 30: with reference to accompanying drawing 86～89.Double-end expansion meshing-body is haled fastener pile extension button and is drawn nut 46, double-end expansion meshing-body 45 and the pin 16 that expands to constitute by two tops, during butt joint, the expander of double-end expansion meshing-body 45 expand under the effect of the pin 16 that expands in expansion chamber in the nut 46 is drawn on two tops and with the engagement of expanding of the engaging tooth of expansion chamber wall, see accompanying drawing 89.The top draws nut 46 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.The top draws that the cap mouth of nut 46 is inboard to have reinforced hole 5 for the center of haling at the bottom of screw thread, the cap, the periphery of reinforced hole is a reinforcing bar heading card platform 6, Ka Tai and the wall of haling between screw thread to expand the engagement chamber and the engagement chamber of expanding are the pawl structure, expansion chamber has tapering, cavity is down big and for a short time, hales screw thread and rises and hale action of steel bars; Vertically have 1 or 2 or many guiding wire casings that expand on the wall of the guide channel of the expander of the bloated body 45 of the swollen engagement of double end.On the wall of double-end expansion meshing-body 45 engaging tooth be along toothing and draw in the nut pawl of the engagement chamber wall that expands to form expansion and combine with the top.There is bloated pin-and-hole at the center of the expander of double-end expansion meshing-body 45.Double-end expansion meshing-body adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, double-end expansion meshing-body 45 is made of two expanders, two expanders are overall structure, the head of swollen pin 16 is inserted in the centre pilot passage of expander upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, insert to rise for the ease of the expander moment in the double-end expansion body and draw in the expansion chamber in the nut, the arm of angle that connects of the end of the expander of double-end expansion body is outwelled a circle.The top draws nut, double-end expansion meshing-body and the pin that expands to adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 31: with reference to accompanying drawing 90～93.Double-end expansion hanging is haled fastener pile extension button and is drawn nut 48 by two tops, the double-end expansion hanging body 47 and the pin 42 that expands constitute, during butt joint, the expansion hanging body of double-end expansion hanging body 47 articulates in expansion hanging chamber in the nut 48 is drawn on two tops and with boss in the chamber at expansion hanging under the effect of the pin 42 that expands, the top draws the cap mouth of nut 48 inboard for haling screw thread, center at the bottom of the cap has reinforced hole 5, the periphery of reinforced hole is a reinforcing bar heading card platform 6, Ka Tai and hale between screw thread and to be the expansion hanging chamber, the top draws nut 48 to adopt metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic, pottery etc.) by existing casting or injection moulding or ceramic sintering or machining technique making.Vertically have 1 or 2 or many guiding wire casing that expands on the wall of the guide channel of the expansion hanging body of double-end expansion hanging body 47.The hanging joint of double-end expansion hanging body 47 is boss structure, double-end expansion hanging body 47 adopts metal (as steel, stainless steel, alloy steel etc.) or nonmetals (as plastics, synthetic plastic etc.) by existing casting or injection moulding or machining technique making, double-end expansion hanging body 47 is made of two expansion hanging bodies, two expansion hanging bodies are overall structure, the head of swollen pin 42 is inserted in the centre pilot passage of expansion hanging body upper end, vertically have 1 or 2 or many guiding wire casing that expands on the wall of guide channel, insert to rise for the ease of the expansion hanging body moment in the double-end expansion hanging body and draw in the chamber in the nut, the arm of angle that connects of the end of the expansion hanging body of double-end expansion hanging body is outwelled a circle, see accompanying drawing 90.The top draws nut, double-end expansion hanging body and the pin that expands to adopt metal or nonmetals to make; Metal material is meant all kinds of steel and alloy thereof, and nonmetals are batch plastics, resin, nylon, pottery and synthetic materials thereof etc.

Embodiment 32: with reference to accompanying drawing 94～97.On the basis of embodiment 31,2 or a plurality of top draw nut circle distribution (welding) on end plate 18.

Embodiment 33: with reference to accompanying drawing 98～101.The prestressing force prefabricated component, some longitudinal reinforcements 55 in the prestressing force prefabricated component 50 and circumferential reinforcement 54 constitute the prefabricated component cage of reinforcement, and the two ends of some longitudinal reinforcements 51 are connected to respectively on the reinforcing bar heading Ka Tai that hales fastener 49.Hale fastener and draw nut for rising, or articulate nut, or the grafting nut, or the top draws nut, or rise and draw nut and top to draw nut.

Embodiment 34: on the basis of embodiment 33, rising, to draw nut and top to draw nut be female thread structure.

Embodiment 35: on the basis of embodiment 33, rising, to draw nut and top to draw nut be external thread structure.

Embodiment 36: on the basis of embodiment 33, rise that to draw nut be external thread structure, it is female thread structure that nut is drawn on the top.

Embodiment 37: on the basis of embodiment 33, rise that to draw nut be female thread structure, it is external thread structure that nut is drawn on the top.

Embodiment 38: on the basis of embodiment 33, rising, to draw nut and top to draw nut be interior interface arrangment.

Embodiment 39: on the basis of embodiment 33, rising, to draw nut and top to draw nut be wild card access node structure.

Embodiment 40: on the basis of embodiment 33, rise that to draw nut be interior interface arrangment, it is wild card access node structure that nut is drawn on the top.

Embodiment 41: on the basis of embodiment 33, rise that to draw nut be wild card access node structure, it is interior interface arrangment that nut is drawn on the top.

Embodiment 42: on the basis of embodiment 33, rise that to draw nut be female thread structure, it is interior interface arrangment that nut is drawn on the top.

Embodiment 43: on the basis of embodiment 33, rise that to draw nut be interior interface arrangment, it is female thread structure that nut is drawn on the top.

Embodiment 44: on the basis of embodiment 33, rise that to draw nut be external thread structure, it is interior interface arrangment that nut is drawn on the top.

Embodiment 45: on the basis of embodiment 33, rise that to draw nut be wild card access node structure, it is female thread structure that nut is drawn on the top.

Embodiment 46: the above two prefabricated components of the basis of embodiment 33 are adopted embodiment 1～32 are described to hale 52 butt joints of fastener pile extension button, can realize prefabricated component and prefabricated dock.

Embodiment 47: with reference to accompanying drawing 98 and 99.By the docking calculation between prestressing force prefabricated component and prefabricated component, the end of two prefabricated components that dock is respectively that several rise and draw nut mouth and corresponding with it top to draw the nut mouth, two or multi-disc combination sleeve is positioned at the top and draws nut, intermediate sleeve is screwed in the top and draws in the nut and be positioned on two or the multi-disc combination sleeve, connecting rod one end with rise draw that the nut screw thread spins, the other end and top draw two or multi-disc combination sleeve formation clamping in the nut.

Embodiment 48: with reference to accompanying drawing 102.Prestressing force prefabricated component forming method, the two ends of some longitudinal reinforcements are upset into heading and are stuck on the heading Ka Tai that hales fastener 49, the end of haling fastener adopt respectively be bolted on the fixed head 56 and the arm-tie 53 that rises on, put it in the shaping mould then, inject concrete, matched moulds, hale the arm-tie that rises to the pressure that sets, centrifugally make stake, promptly get the prestressing force prefabricated component.Hale fastener and draw nut for rising, or the top draws nut, or articulate nut, or the grafting nut, or rise and draw nut and top to draw nut.

Need to prove: longitudinal reinforcement comprises rod iron.

What should be understood that is: though the foregoing description is to the present invention's detailed explanation of contrasting; but these explanations are the simple declaration to this present invention; rather than limitation of the present invention, any innovation and creation that do not exceed in the connotation of the present invention all fall within the scope of protection of the present invention.

Claims (7)

1, a kind of pile for prestressed pipe reinforcing bar is haled fastener, it is characterized in that: draw nut, top to draw nut and pile tube longitudinal reinforcement to form by being positioned at rising of pile tube two ends, wherein, rising, to draw nut and top to draw nut be female thread structure, described internal thread is for haling screw thread, the center has reinforced hole at the bottom of the cap, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, and the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai.

2, pile for prestressed pipe reinforcing bar according to claim 1 is haled fastener, it is characterized in that: rising, to draw nut and top to draw nut be external thread structure or interior interface arrangment or wild card access node structure, and the rising of female thread structure, external thread structure, interior interface arrangment or wild card access node structure drawn nut, top to draw nut to make up in twos to form reinforcing bar with the pile tube longitudinal reinforcement and hale fastener.

3, a kind of prestressing force prefabricated component that has adopted reinforcing bar as claimed in claim 1 to hale fastener, some longitudinal reinforcements and circumferential reinforcement in the prestressing force prefabricated component constitute the prefabricated component cage of reinforcement, it is characterized in that: the two ends of described longitudinal reinforcement are connected to respectively and are positioned at rising of prefabricated component two ends and draw nut and top to draw on the reinforcing bar heading Ka Tai of nut.

4, a kind of forming method of prestressing force prefabricated component as claimed in claim 3, it is characterized in that: the two ends of some longitudinal reinforcements upset into heading be connected to respectively be positioned at rising of prefabricated component two ends draw nut and the top draw on the reinforcing bar heading Ka Tai of nut, rise and draw nut and top to draw nut to adopt respectively to be bolted on rise arm-tie and the fixed head, put it in the shaping mould then, inject concrete, matched moulds is haled the arm-tie that rises to the pressure that sets, centrifugally make stake, promptly get the prestressing force prefabricated component.

5, the docking calculation between a kind of prestressing force prefabricated component as claimed in claim 3, it is characterized in that: the end of two prefabricated components that dock be respectively equipped with several rise draw nut and and with it corresponding several tops draw nut, two or multi-disc combination sleeve is positioned at the top and draws nut, intermediate sleeve is screwed in the top and draws in the nut and be positioned on two or the multi-disc combination sleeve, connecting rod one end with rise draw that nut spins, the other end and top draw two or multi-disc combination sleeve formation clamping in the nut.

6, a kind of pile for prestressed pipe pile extension button, it is characterized in that: draw nut, top to draw nut, combination sleeve, intermediate sleeve and connecting rod to constitute by rising, wherein, rising, to draw nut and top to draw nut be female thread structure, described internal thread is for haling screw thread, the center has reinforced hole at the bottom of the cap, and the periphery of reinforced hole is reinforcing bar heading Ka Tai, and the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai; Connecting rod one end is a dentalation, and the other end is an external thread structure; Two or multi-disc combination sleeve is positioned at the top and draws nut, described combination sleeve inboard to be dentalation and be complementary with dentalation in the connecting rod; Intermediate sleeve is an external thread structure, is screwed in the top and draws in the nut and be positioned at two or multi-disc combination sleeve top; During butt joint, connecting rod one end draws the screw thread of nut to spin with rising, and the other end and top draw in the nut two or multi-disc combination sleeve to form clamping.

7, a kind of pile for prestressed pipe pile extension button, it is characterized in that: draw nut, setscrew and top to draw nut to constitute by rising, wherein, rise draw nut and top to draw the cap of nut at the bottom of the center have reinforced hole, the periphery of reinforced hole is reinforcing bar heading Ka Tai, and the two ends of pile tube longitudinal reinforcement are upset into heading and are connected on the Ka Tai, during butt joint, the screw section of setscrew is screwed in to rise and draws in the nut, and the expander of setscrew is expanding under the effect of the pin that expands in expansion chamber in the nut is drawn on the top.

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