CN2861281Y

CN2861281Y - Elastic meshing body pile connecting fastener and prefab

Info

Publication number: CN2861281Y
Application number: CN 200520019587
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-17
Filing date: 2005-05-17
Publication date: 2007-01-24
Anticipated expiration: 2015-05-17

Abstract

The utility model relates to a pipe pillar buckle, pre-fabrication part formed by pre-fabrication part interface and connection structure between pre-fabrication parts, which pertains to field of pre-fabrication buckle and manufacture of pre-fabrication parts. An elastic joggle pillar comprises an expansion/pulling nut, a joggle screw and a jacking/pulling nut. The expansion/pulling nut screws into thread section of the joggle screw, an insert type joggle sheath is located in the expansion cavity of the jacking /pulling nut, a spring is provided between the outer side of the insert type joggle sheath and the wall of the jacking/pulling nut. When they are butted, the joggle body of the joggle screw is inserted into the insert type joggle sheath of the jacking/pulling nut and joggled with joggle tooth. An expansion/pulling nut and an jacking/pulling nut are provided on both sides of the pre-fabrication which is structured by the buckle of elastic joggle body, a plurality of frusta on two end of the longitudinal steel bar of the pre-fabrication part are separately clamped on the steel bar frusta clamping table of the expansion/pulling nut and the jacking/pulling nut. Joggle thread is used of butt of two pre-fabrication parts.

Description

Elastic meshing body pile extension button and prefabricated component

Technical field:

The utility model relates to a kind of pile tube and connects button, precast plate and connect that button, bridge pier connect button, bridge connects button and electric pole interface and prefabricated component thereof, and adopt pile tube to connect button, precast plate to connect button, bridge pier and connect button, bridge and connect syndeton between being connected between being connected between being connected between pile tube that button and electric pole interface constitutes and pile tube and pile tube, precast plate and precast plate, bridge pier and bridge pier, electric pole preform rod and preform rod, the genus prefabricated component connects to be detained and prefabricated component manufacturing field.

Background technology:

Notice of authorization CN2495685Y, title " concrete tubular 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 to 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, guarantee the uniformity of pile tube intensity, the fracture of fundamentally avoiding pile tube is with broken; The 2nd, fundamentally solve some longitudinal reinforcement longitudinal extension uniformity in the pile tube, reinforcing bar is haled in the realization standardization, guarantees the uniformity of industrialized mass production pile tube inherent quality; The 4th, guaranteeing to reduce the cost of production of pile tube (bridge prefabrication plate, electric pole precast body etc.) widely under the pile tube butt joint reliable quality prerequisite.

Design scheme: in order to realize purpose of design of the present utility model, the utility model adopts the Elastic Meshing principle to force the engaging screw moment formation Elastic Meshing between the pile tube that needs pile extension to be docked.On structure design: 1, the design of drawing nut of rising is one of feature of the present utility model, and its major function is: the one, and rise and draw the screw thread in the nut and the screw of engaging screw body section to 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 to rise and draw in the nut.2, to draw the design of nut be two of feature of the present utility model on the top, and 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, meshing-body draws the engagement of the tooth in the plug-in type shifter collar in the nut with the top in the engaging screw; The 3rd, the top is provided with 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 rise and draw in the nut.Haling longitudinal reinforcement is meant: the top draw nut with rise draw nut to be through the longitudinal reinforcement of pile tube after, heading is upset at the two ends of its longitudinal reinforcement, its heading is connected to the top firmly and draws nut and rise on the reinforcing bar heading Ka Tai that draws nut, rising this moment draws an end of nut to fix, the top is haled screw and can be realized haling the purpose that longitudinal reinforcement extends after drawing the screw thread in the nut and hale screw and spinning; The 4th, the design that has the tapering expansion chamber in the nut is drawn on the top, can satisfy the engagement needs of the meshing-body of engaging screw, and can make meshing-body in the engaging screw after engagement firmly with expansion chamber in the plug-in type shifter collar form hook and draw engagement.3, the design of engaging screw is three of a feature of the present utility model, its major function is: the one, and the meshing-body in the engaging screw is after the plug-in type shifter collar that draws in the nut expansion chamber is pushed up in insertion, can form Elastic Meshing with plug-in type shifter collar internal tooth moment, and meshing-body can be fixed in the plug-in type shifter collar by hook lock firmly; 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 meshes and dock, thereby docking with mode moment of Elastic Meshing between pile tube and pile tube can be finished with the top.

Technical scheme 1: elastic meshing body pile extension button draws nut (3), engaging screw (4) and top to draw nut (5) to constitute by rising, rise and draw nut (3) to be screwed in the screw section of engaging screw (4), plug-in type shifter collar (6) is positioned at the top and draws nut (5) expansion chamber (10), plug-in type shifter collar (6) outside and top are drawn between nut (5) wall and are equipped with spring (19), during butt joint, the meshing-body of engaging screw (4) insert that the top is drawn in the plug-in type shifter collar (6) in the nut (5) and with its cover in the engaging tooth engagement.

Technical scheme 2: the prefabricated component that constitutes by elastic meshing body pile extension button, prefabricated component (17) two ends are built-in with respectively to rise draws nut (3) and top to draw nut (5), the heading (2) at some longitudinal reinforcements (18) two ends is connected to respectively to rise and draws nut (3) and top to draw reinforcing bar heading Ka Tai (8 in the nut (5) in the prefabricated component (17), 11) on, engaging screw (4) is used for the butt joint between two prefabricated components (17).

Technical scheme 3: prefabricated component that constitutes by elastic meshing body pile extension button and the docking structure between 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, the screw section of engaging screw is screwed in to rise and draws in the screw thread of nut, the meshing-body of engaging screw inserts that the top is drawn in the nut in the plug-in type shifter collar and is meshed with plug-in type shifter collar in nut is drawn on the top, finishes docking between prefabricated component and prefabricated component.

Technical scheme 4: the preparation method of making prefabricated component by elastic meshing body pile extension button, 2 or a plurality of rise draw nut heading Ka Tai and 2 or a plurality of top draw spiro cap heading Ka Tai respectively with the heading clamping of reinforcing cage longitudinal reinforcement two ends, to have then rises draws nut and top to draw the reinforcing cage of nut to put into the prefabricated component shaping mould, placing of concrete, matched moulds, haling rising of prefabricated component die cavity one end simultaneously draws expansion nut to the power that sets, after forcing some reinforcing bars to extend to the length that sets synchronously, centrifugal casting or vibration foundry goods get promptly that having rises draws the prefabricated component of expansion nut structure.

The utility model is compared 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 application 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 application 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, expansion meshing-body draws the pawl of expansion chamber wall in the nut to form expansion hook drawknot with the top to close, guaranteed the reliable connection between pile tube and pile tube in the engaging screw; The 6th, solve the problem that some longitudinal reinforcements 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 the structural representation of elastic meshing body pile extension button.

Fig. 2 rises to draw the structural representation of nut.

Fig. 3 is the structural representation that nut is drawn on the top.

Portion's structural representation of Fig. 4 engaging screw.

Fig. 5 is the structural representation of pile tube.

Fig. 6 is the pile tube of elastic meshing body pile extension button formation and the pile extension structural representation between pile tube or bridge pier and bridge pier or electric pole and electric pole.

The specific embodiment:

Embodiment 1: with reference to accompanying drawing 1～4.Elastic meshing body pile extension button draws nut 3 by rising, engaging screw 4 and top draw nut 5 to constitute, rise and draw nut 3 to be screwed in the screw section of engaging screw 4, plug-in type shifter collar 6 is positioned at the top and draws nut 5 expansion chambers 10, plug-in type shifter collar 6 outsides and top are drawn between nut 5 walls and are equipped with spring 19, the general stage clip that adopts, stage clip 19 1 ends are positioned at the top and draw nut 5 wall mesopores 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 4 insert that the top is drawn in the plug-in type shifter collar 6 in the nut 5 and with its cover in the engaging tooth engagement, see accompanying drawing 1.Rise and draw nut 3 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 7, the periphery of reinforced hole 7 is a reinforcing bar heading card platform 8, rise and draw the screw thread in the nut 3 to hale reinforcing bar, pile extension effect, see accompanying drawing 2 for haling the pile extension screw thread, plaing; The top draws nut 5 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 5 tops for hale screw thread 9, the bottom is an expansion chamber 10, plug-in type shifter collar 19 is positioned in expansion chamber 10, the center at the bottom of the cap of nut 5 of drawing, top has reinforced hole 12, the periphery of reinforced hole is a reinforcing bar heading card platform 11, it is greatly upward little down that expansion chamber is; The top draws the screw thread 9 on nut 5 tops for haling screw thread, rises and hales action of steel bars.Push up in the expansion chamber 10 that draws in the nut for the ease of the 16 moments insertion of the meshing-body in the engaging screw 4, draw the entrance point of haling screw thread of nut that one circle enlarging is arranged on the top, see accompanying drawing 3.Engaging screw 4 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 4 is by the pin 6 that expands, expansion meshing-body 16 and screw 15 constitute, expansion meshing-body 16 and screw 15 are overall structure, the wall of engaging screw is along toothing and draws in the nut 5 plug-in type shifter collar 6 pawls to form expansion with the top and combines, the wall of engaging screw is along toothing and draws in the nut 5 plug-in type shifter collar 19 pawls to form expansion with the top and combines, the head of swollen pin 6 is inserted in the expansion meshing-body upper end centre pilot passage 13, vertically have 1 or 2 or many guiding wire casing 14 that expands on the wall of guide channel, push up in the expansion chamber 10 that draws in the nut for the ease of the 16 moments insertion of the meshing-body in the engaging screw 4, the arm of angle that connects of the end of the meshing-body of engaging screw 4 is outwelled a circle, see accompanying drawing 4.Rise and draw nut, plug-in type shifter collar, engaging screw and top to 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 2: with reference to accompanying drawing 5.On the basis of embodiment 1, the prefabricated component (pipe shape, square pipe pile etc.) that constitutes by elastic meshing body pile extension button, prefabricated component 17 two ends are built-in with respectively to rise draws nut 3 and top to draw nut 5, the heading 2 at some longitudinal reinforcement 18 two ends is connected to respectively to rise and draws nut 3 and push up on the reinforcing bar heading card platform 8 and 11 that draws in the nut 5 in the prefabricated component 17, and engaging screw 4 is used for the butt joint of 17 of two prefabricated components.(this engaging screw 4 is when pile tube docks with pile tube, and the screw section of its engaging screw is screwed in to rise and draws in the nut 3; When pile tube did not dock with pile tube, its engaging screw 4 drew nut 3 to separate with rising, separately keeping).

Embodiment 3: with reference to accompanying drawing 6.On the basis of embodiment 1 and 2, docking structure between the prefabricated component and prefabricated component that constitutes by elastic meshing body pile extension button, between precast plate and precast plate, between electric pole and electric pole, 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, the screw section of engaging screw is screwed in to rise and draws in the screw thread of nut, the meshing-body of engaging screw inserts that the top is drawn in the nut in the plug-in type shifter collar and is meshed with plug-in type shifter collar in nut is drawn on the top, finishes docking between prefabricated component and prefabricated component.

Embodiment 4: with reference to accompanying drawing 6.On the basis of embodiment 1 and 2, prefabricated component that constitutes by elastic meshing body pile extension button and the docking structure between 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, the screw section of engaging screw is screwed in to rise and draws in the screw thread of nut, the meshing-body of engaging screw inserts that the top is drawn in the nut in the plug-in type shifter collar and is meshed with plug-in type shifter collar in nut is drawn on the top, finishes docking between prefabricated component and prefabricated component.

Embodiment 5: with reference to accompanying drawing 5 and 6.Make the preparation method of prefabricated component by elastic meshing body pile extension button, 2 or a plurality of rise draw nut heading Ka Tai and 2 or a plurality of top draw spiro cap heading Ka Tai respectively with the heading clamping of reinforcing cage longitudinal reinforcement two ends, to have then rises draws nut and top to draw the reinforcing cage of nut to put into the prefabricated component shaping mould, placing of concrete, matched moulds, haling rising of prefabricated component die cavity one end simultaneously draws expansion nut to the power that sets, after forcing some reinforcing bars to extend to the length that sets synchronously, centrifugal casting or vibration foundry goods, get promptly that having rises draws the prefabricated component of expansion nut structure, engaging screw to be used for two butt joints between prefabricated component.

What need understand is: though the foregoing description is to the utility model detailed explanation of contrasting; but these embodiment are just illustrative to the utility model; rather than to restriction of the present utility model; any innovation and creation that do not exceed in the utility model connotation all fall in the protection domain of the present utility model.

Claims

1, a kind of elastic meshing body pile extension button, its feature draws nut (3), engaging screw (4) and top to draw nut (5) to constitute by rising, rise and draw nut (3) to be screwed in the screw section of engaging screw (4), plug-in type shifter collar (6) is positioned at the top and draws nut (5) expansion chamber (10), plug-in type shifter collar (6) outside and top are drawn between nut (5) wall and are equipped with spring (19), during butt joint, the meshing-body of engaging screw (4) insert that the top is drawn in the plug-in type shifter collar (6) in the nut (5) and with its cover in the engaging tooth engagement.

2, elastic meshing body pile extension button according to claim 1, it is characterized in that: the center at the bottom of the cap that draws nut (3) that rises has reinforced hole (7), and the periphery of reinforced hole (7) is reinforcing bar heading Ka Tai (8); The top draws nut (5) top for haling screw thread (9), rises and hales action of steel bars, and the center of pushing up at the bottom of the cap that draws nut (5) has reinforced hole (12), and the periphery of reinforced hole is reinforcing bar heading Ka Tai (11).

3, elastic meshing body pile extension button according to claim 2 is characterized in that: the top draws the plug-in type shifter collar (19) of the expansion chamber (10) in the nut (5) to be the pawl structure, and it is big down little that expansion chamber is.

4, elastic meshing body pile extension button according to claim 1 is characterized in that: rise and draw nut (3), top to draw nut (5), engaging screw 4 and plug-in type shifter collar (6) to adopt metal or nonmetals to make.

5, a kind of prefabricated component that constitutes by elastic meshing body pile extension button, it is characterized in that: prefabricated component (17) two ends are built-in with respectively to rise draws nut (3) and top to draw nut (5), the heading (2) at some longitudinal reinforcements (18) two ends is connected to respectively to rise and draws nut (3) and top to draw reinforcing bar heading Ka Tai (8 in the nut (5) in the prefabricated component (17), 11) on, engaging screw (4) is used for the butt joint between two prefabricated components (17).

6, the prefabricated component that constitutes by elastic meshing body pile extension button according to claim 5, it is characterized in that: the screw section of engaging screw (4) is screwed in to rise and draws in the nut (3), the engaged section of engaging screw insert the top draw in the nut plug-in type shifter collar (6) and with its plug-in type shifter collar Elastic Meshing.

7, the prefabricated component that is made of elastic meshing body pile extension button according to claim 5 is characterized in that: rise and draw nut (3), top to draw nut (5), plug-in type shifter collar (6) and engaging screw (4) to adopt metal or nonmetals to make.

8, a kind of prefabricated component that constitutes by elastic meshing body pile extension button and the docking structure between prefabricated component, it is characterized in that: 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, the screw section of engaging screw is screwed in to rise and draws in the screw thread of nut, the meshing-body of engaging screw inserts that the top is drawn in the nut in the plug-in type shifter collar and is meshed with plug-in type shifter collar in nut is drawn on the top, finishes docking between prefabricated component and prefabricated component.