CN101519876B - Cutting-free fast tearing butt coupler and butt joint piece - Google Patents
Cutting-free fast tearing butt coupler and butt joint piece Download PDFInfo
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- CN101519876B CN101519876B CN2008100601807A CN200810060180A CN101519876B CN 101519876 B CN101519876 B CN 101519876B CN 2008100601807 A CN2008100601807 A CN 2008100601807A CN 200810060180 A CN200810060180 A CN 200810060180A CN 101519876 B CN101519876 B CN 101519876B
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Abstract
The invention relates to a cutting-free fast tearing butt coupler and a butt joint piece, as well as a fabricated part formed by the cutting-free fast tearing butt coupler, a fabricated part formed bythe cutting-free fast butt coupler, and butt joint structure between the fabricated parts, and the invention consists of a raising-pulling screw cap, a support-pulling screw cap and a fabricated part longitudinal bar which are positioned at the two ends of the fabricated parts, wherein the raising-pulling screw cap and the support-pulling screw cap have the internal thread structure, the internal thread is tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the two ends of the fabri cated part longitudinal bar are upset into the upset head which is clamped and connected on the upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one endof the pressure spring is positioned on the steel bar upset head, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably co nnected inside the support-pulling screw cap and locates the displacement on the tampered sleeve, the tail part of a connection-peg is connected with the internal thread of the raising-pulling screw cap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.
Description
Technical field
The present invention relates to a kind of cutting-free fast tearing to clasp and interfacing part, and the prefabricated component that clasp is constituted by cutting-free fast tearing, do not shear the prefabricated component that the rapid abutting joint button constitutes by having, and the docking structure between prefabricated component and prefabricated component, belong to prefabricated component and hale fastener and prefabricated component manufacturing field.
Background technology
All notice of authorization CN100348803C of this patent people, title " go up apical grafting stake button and prefabricated component under the spiral shell ", this 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, and described internal thread is for haling screw thread, and 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.
This 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.
Docking calculation between this 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.
Its objective reality reality is: in existing examination criteria, what detect is Stress Transfer, and in the background technology butt joint after pile tube be pressed into underground after, because reinforcing bar (rod) heading and hale the loose contact that might have minute quantity between the connecting rod in the fastener between pile tube and the pile tube, though this loose contact, belong within the scope of reliable butt joint, pile tube is not produced any influence with the quality of docking between the pile tube, but because the pile tube after the butt joint has been pressed into underground, with the standard and the detection method of existing detection can't be supporting, though it is qualified the result who detects by current standard of minute quantity therefore to have occurred, unfavorable result.
Summary of the invention
One of purpose of the present invention, avoid the weak point in the background technology, design between a kind of prefabricated component and prefabricated component that can either satisfy after reinforcing bar haled and reliably dock, the cutting-free fast tearing that can satisfy existing pile tube butt joint examination criteria again is to clasp and prefabricated component.
Two of purpose of the present invention, the nothing shearing rapid abutting joint fastener and the prefabricated component that design between a kind of prefabricated component that need not to hale reinforcing bar and prefabricated component fast, reliably docks.
Three of purpose of the present invention, the nothing shearing rapid abutting joint fastener that design between a kind of metal rod iron (diameter is greater than 10mm) and the metal rod iron (diameter is greater than 10mm) fast, reliably dock.
Four of purpose of the present invention, the nothing shearing rapid abutting joint fastener and the prefabricated component that design between a kind of nonmetal and nonmetal except that prefabricated component fast, reliably docks.
In order to realize one of purpose of the present invention.On structure design, 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, fast tearing should have two kinds of functions to clasp: the one, and every group of (two) fast tearing can be realized clamping with reinforcing bar (rod iron) two ends respectively to clasp; The 2nd, the reinforcing bar (rod iron) that haling fastener and haling between the fastener after the butt joint haled is realized Stress Transfer by the fastener of haling of self, goes into the examination criteria on ground with butt joint, the piling of satisfying existing pile tube.
Technical scheme 1: cutting-free fast tearing is to clasp, it comprises rising draws nut, nut is drawn on the top, 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, stage clip is positioned at the top and draws nut, one end of stage clip is positioned on the reinforcing bar heading Ka Tai, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, the afterbody of connection-peg draws the nut internal thread to be connected with rising, and the head of connection-peg is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
Technical scheme 2: the prefabricated component that clasp is constituted by cutting-free fast tearing, draw nut by being positioned at rising of prefabricated component two ends, the top draws nut and prefabricated component longitudinal reinforcement to form, 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, the two ends of prefabricated component longitudinal reinforcement are upset into heading and are connected on the heading Ka Tai, stage clip is positioned at the top and draws nut, one end of its stage clip is positioned on the reinforcing bar heading, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, the afterbody of connection-peg draws the nut internal thread to be connected with rising, and the head of connection-peg is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
In order to realize two of purpose of the present invention.On structure design, rapid abutting joint fastener (being made of rapid abutting joint button and connection-peg) is on the basis of technical scheme 1, one end of pressing bullet directly with at the bottom of the cap of nut is drawn on the top touches mutually, the other end is equipped with the taper sheath that is made of two or multi-disc, and the head of connection-peg and the grafting of rapid abutting joint button, afterbody are in advance in prefabricated component.When making prefabricated component, corresponding mutually a plurality of rapid abutting joint buttons and connection-peg be respectively in advance built in the two ends of prefabricated component (be equivalent to a hero, female), and achieving a butt joint between the prefabricated component that two or many have rapid abutting joint button and a connection-peg is connected.
Technical scheme 3: do not have the rapid abutting joint of shearing fastener, it comprises pushing up draws nut, it is female thread structure that nut is drawn on described top, at the bottom of one end of stage clip is positioned at the top and draws the cap of nut, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, and the connection-peg head is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
Technical scheme 4: do not shear the prestressing force prefabricated component that the rapid abutting joint fastener constitutes by having, some longitudinal reinforcements and transverse reinforcement in the prestressing force prefabricated component constitute the prefabricated component cage of reinforcement, described prefabricated component two ends are equipped with the top respectively and draw nut and connection-peg, it is female thread structure that nut is drawn on the top, at the bottom of one end of stage clip is positioned at the top and draws the cap of nut, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, and the connection-peg head is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
In order to realize three of purpose of the present invention.On structure design, rapid abutting joint fastener (being made of rapid abutting joint button and connection-peg) adopts technical scheme 1 or 3, and the rostral-caudal of connection-peg directly is welded on rod iron (diameter is greater than 10mm) end, that is to say, rod iron one end be the heading structure and be stuck in the top draw on the heading Ka Tai of nut, one end of rod iron and connection-peg welding, the direct and rapid abutting joint button grafting of the part of connection-peg during butt joint.
Technical scheme 5: do not have the rapid abutting joint of shearing fastener, it comprises pushing up draws nut, it is female thread structure that nut is drawn on described top, the center has the rod iron hole at the bottom of the cap, the periphery in rod iron hole is rod iron heading Ka Tai, one end of rod iron is upset into heading and is connected on the heading Ka Tai, the other end of rod iron and the welding of connection-peg tail end, stage clip is positioned at the top and draws nut, one end of its stage clip is positioned on the rod iron heading, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in the top and draws in the nut and with taper sheath superior displacement location, and the head of connection-peg is the segment shape and is flexible clamping with taper sheath and cooperates during butt joint.
In order to realize four of purpose of the present invention.On structure design, top in the rapid abutting joint fastener (being made of rapid abutting joint button and connection-peg) draws nut to be embedded in the end face of non-metallic body one end except that prefabricated component, stud with in the end face of the other end of non-metallic body or the afterbody of intrinsic connection-peg, press an end of bullet directly with at the bottom of pushing up the cap that draws nut to touch mutually, the other end is equipped with the taper sheath that is made of two or multi-disc, during butt joint, the head of connection-peg and rapid abutting joint button are pegged graft.During the non-metallic body of making except that prefabricated component, the two ends that corresponding mutually a plurality of rapid abutting joint buttons and connection-peg are separately fixed at non-metallic body (be equivalent to a sun, female), the two or many non-metallic body butt joints that have rapid abutting joint button and connection-peg are connected.
Technical scheme 6: do not have the rapid abutting joint of shearing fastener, the top draws nut and butt joint to be embedded in respectively in the end face at the non-metallic body two ends except that prefabricated component, stage clip is positioned at the top and draws nut, at the bottom of one end of stage clip is positioned at the top and draws the cap of nut, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, and the head of connection-peg is flexible clamping with taper sheath when being segment shape and grafting and cooperates.
The present invention compares with background technology, except that the advantage that background technology is put down in writing, the one, both made prefabricated component after the butt joint be pressed into underground after, also can detect reliably with the intensity of docking intensity and prefabricated component itself between prefabricated component according to the prefabricated component of existing examination criteria after to butt joint, guaranteed existing examination criteria detection method and of the present invention accurately, reliably, integrate with effectively; The 2nd, be not only applicable to prefabricated component, and be applicable to reliable butt joint the between all non-metallic bodies and non-metallic body except that prefabricated component, metallic object and metallic object, be specially adapted to the bull butt joint.
Description of drawings
Fig. 1 is the structural representation before cutting-free fast tearing is pegged graft to clasp.
Fig. 2 is the structural representation after cutting-free fast tearing is pegged graft to clasp.
Fig. 3 adopts fast tearing to the structural representation before clasp made prefabricated component and prefabricated the butt joint.
Fig. 4 adopts fast tearing to the structural representation after clasp made prefabricated component and prefabricated the butt joint.
Fig. 5 does not have the structural representation of shearing before the rapid abutting joint fastener is pegged graft.
Fig. 6 does not have the structural representation of shearing after the rapid abutting joint fastener is pegged graft.
Fig. 7 is the structural representation that adopts after rapid abutting joint fastener made prefabricated component and prefabricated the butt joint.
Fig. 8 is figure between the application implementation scenario-frame of employing rapid abutting joint fastener shows.
The specific embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.Cutting-free fast tearing is to clasp, it comprises rising draws nut 1, nut 8 is drawn on the top, rise and draw nut 1 and top to draw nut 8 to 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, stage clip 6 is positioned at the top and draws nut 8, one end of stage clip 6 is positioned on the reinforcing bar heading Ka Tai, the other end is equipped with the taper sheath 4 that is made of two or multi-disc and (is generally two tapered and up/down perforations in chamber that constitute taper sheath----covers, see attached Fig. 1 and 2 for details), screw thread cover 3 is screwed in to push up to draw in the nut 8 and with taper sheath 4 superior displacements and locatees, the afterbody of connection-peg 2 draws nut 1 internal thread to be connected with rising, the head of connection-peg 2 is flexible clamping with taper sheath 4 when being segment shape and butt joint and cooperates, that is to say, when connection-peg 2 is pegged graft downwards, stage clip 6 is given 2 one oppositions of connection-peg, connection-peg 2 is upwards pushed up, because screw thread cover 3 is with the amount of moving qualification on the taper sheath 4, taper sheath 4 location can't on move, therefore taper sheath 4 under the effect of pressing bullet 6 oppositions with connection-peg 2 anchor ear and form closely contact tightly, the afterbody of connection-peg 2 draws nut 1 to be internal thread to be connected with rising, simultaneously because the heading of longitudinal reinforcement 7 ends touches mutually with stage clip 6 and guaranteed longitudinal reinforcement 7 formation straightway Stress Transfer in longitudinal reinforcement 7 and the butt joint prefabricated component by stage clip 6, thereby satisfy the detection method under the existing standard and detect index, the something lost of having avoided background technology to exist is shaken.
Embodiment 2: on the basis of embodiment 1, that is to say that the other end of stage clip 6 is equipped with pad 5, the taper sheath 4 that is made of two or multi-disc is positioned on the pad 5.
Embodiment 3: with reference to accompanying drawing 3 and 4.On the basis of embodiment 1, the prefabricated component that clasp is constituted by cutting-free fast tearing, draw nut 1 by being positioned at rising of prefabricated component two ends, the top draws nut 8 and prefabricated component longitudinal reinforcement 7 to form, wherein, rise and draw nut 1 and top to draw nut 8 to 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, the two ends of prefabricated component longitudinal reinforcement 7 are upset into heading and are connected on the heading Ka Tai, stage clip 6 is positioned at the top and draws nut 8, one end of its stage clip 6 is positioned on the reinforcing bar heading, the other end is equipped with the taper sheath 4 that is made of two or multi-disc and (is generally two tapered and up/down perforations in chamber that constitute taper sheath----covers, see attached Fig. 1 and 2 for details), screw thread cover 3 is screwed in to push up to draw in the nut 8 and with taper sheath 4 superior displacements and locatees, the afterbody of connection-peg 2 draws nut 1 internal thread to be connected with rising, and the head of connection-peg 2 is flexible clamping with taper sheath 4 when being segment shape and butt joint and cooperates.Described prefabricated component two ends are equipped with respectively to rise draws nut 1 and top to draw nut 8, rises to draw nut 1 and top to draw the cap mouth of nut 8 and prefabricated component end face to put down.
Embodiment 4: on the basis of embodiment 3, that is to say that the other end of stage clip 6 is equipped with pad 5, the taper sheath 4 that is made of two or multi-disc is positioned on the pad 5.
Embodiment 5: with reference to accompanying drawing 5 and 6.There is not the rapid abutting joint of shearing fastener, it comprises pushing up draws nut 8, described top draws nut 8 to be female thread structure, at the bottom of one end of stage clip 6 is positioned at the top and draws the cap of nut 8, the other end is equipped with the taper sheath 4 that is made of two or multi-disc and (is generally two tapered and up/down perforations in chamber that constitute taper sheath----covers, see attached Fig. 1 and 2 for details), screw thread cover 3 is screwed in to push up to draw in the nut 8 and with taper sheath 4 superior displacements and locatees, and connection-peg 2 heads are flexible clamping with taper sheath 4 when being segment shape and grafting and cooperate.
Embodiment 6: on the basis of embodiment 5, that is to say that the other end of stage clip 6 is equipped with pad 5, the taper sheath 4 that is made of two or multi-disc is positioned on the pad 5.
Embodiment 7: with reference to accompanying drawing 7.On the basis of embodiment 5, there is not the prestressing force prefabricated component of shearing the rapid abutting joint 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: described prefabricated component two ends are equipped with the top respectively and draw nut 8 and connection-peg 2, the top draws nut 8 cap mouths and prefabricated component end face to put down, and connection-peg 2 grafting table tops 9 are flat with the prefabricated component end face.It is female thread structure that nut is drawn on the top, at the bottom of one end of stage clip 6 is positioned at the top and draws the cap of nut 8, the other end is equipped with the taper sheath 4 that is made of two or multi-disc and (is generally two tapered and up/down perforations in chamber that constitute taper sheath----covers, see attached Fig. 1 and 2 for details), screw thread cover 3 is screwed in to push up to draw in the nut 8 and with taper sheath 4 superior displacements and locatees, and connection-peg 2 heads are the segment shape and are flexible clamping with taper sheath 4 and cooperate.
Embodiment 8: on the basis of embodiment 7, top in the rapid abutting joint fastener (being made of rapid abutting joint button and connection-peg) draws nut 8 to be embedded in the end face of non-metallic body 10 1 ends except that prefabricated component, stud with or be rotary with the afterbody of connection-peg in the end face of the other end of non-metallic body (as ligneous piece or the like) 10, one end of pressing bullet 6 directly with at the bottom of the cap of nut 8 is drawn on the top touches mutually, the other end is equipped with the taper sheath 4 that is made of two or multi-disc, during the butt joint of connection-peg 2 heads and the grafting of rapid abutting joint button.During the non-metallic body of making except that prefabricated component, the two ends that mutually corresponding a plurality of rapid abutting joint buttons and connection-peg 2 are separately fixed at non-metallic body 10 (be equivalent to a hero, one female), two or many non-metallic body 10 butt joints that have rapid abutting joint button and connection-peg are connected.
Embodiment 9: with reference to accompanying drawing 8.There is not the rapid abutting joint of shearing fastener, it comprises pushing up draws nut 8, described top draws nut 8 to be female thread structure, the center has the rod iron hole at the bottom of the cap, the periphery in rod iron hole is rod iron heading Ka Tai, one end of rod iron is upset into heading and is connected on the heading Ka Tai, the other end of rod iron and the welding of connection-peg 2 tail ends, stage clip 6 is positioned at the top and draws nut 8, one end of its stage clip 6 is positioned on the rod iron heading, the other end is equipped with the taper sheath 4 that is made of two or multi-disc and (is generally two tapered and up/down perforations in chamber that constitute taper sheath----covers, see attached Fig. 1 and 2 for details), screw thread cover 3 is screwed in to push up to draw in the nut 8 and with taper sheath 4 superior displacements and locatees, and connection-peg 2 heads are flexible clamping with taper sheath 4 when being segment shape and butt joint and cooperate.
What need understand is: though the foregoing description is to the present invention's detailed text description of contrasting; but these text descriptions; it is text description to mentality of designing of the present invention; rather than limitation of the present invention; any combination, omission or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (8)
1. a cutting-free fast tearing is to clasp, it comprises rising draws nut, nut is drawn on the top, 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, it is characterized in that: stage clip is positioned at the top and draws nut, one end of stage clip is positioned on the reinforcing bar heading Ka Tai, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, the afterbody of connection-peg draws the nut internal thread to be connected with rising, and the head of connection-peg is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
2. cutting-free fast tearing according to claim 1 is characterized in that clasp: the other end of stage clip is equipped with pad, and the taper sheath that is made of two or multi-disc is positioned on the pad.
3. prefabricated component that clasp is constituted by cutting-free fast tearing, draw nut by being positioned at rising of prefabricated component two ends, the top draws nut and prefabricated component longitudinal reinforcement to form, 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, the two ends of prefabricated component longitudinal reinforcement are upset into heading and are connected on the heading Ka Tai, it is characterized in that: stage clip is positioned at the top and draws nut, one end of its stage clip is positioned on the reinforcing bar heading, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, the afterbody of connection-peg draws the nut internal thread to be connected with rising, and the head of connection-peg is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
4. according to claim 3 by cutting-free fast tearing to the prefabricated component that clasp constitutes, it is characterized in that: the other end of stage clip is equipped with pad, the taper sheath that is made of two or multi-disc is positioned on the pad.
5. one kind is not had the rapid abutting joint of shearing fastener, it comprises pushing up draws nut, connection-peg, it is characterized in that: it is female thread structure that nut is drawn on described top, at the bottom of one end of stage clip is positioned at the top and draws the cap of nut, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, and the connection-peg head is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
6. nothing according to claim 5 is sheared the rapid abutting joint fastener, and it is characterized in that: the other end of stage clip is equipped with pad, and the taper sheath that is made of two or multi-disc is positioned on the pad.
7. one kind by do not have shearing the prestressing force prefabricated component that the rapid abutting joint fastener constitutes, some longitudinal reinforcements and transverse reinforcement in the prestressing force prefabricated component constitute the prefabricated component cage of reinforcement, it is characterized in that: described prefabricated component two ends are equipped with the top respectively and draw nut and connection-peg, it is female thread structure that nut is drawn on the top, at the bottom of one end of stage clip is positioned at the top and draws the cap of nut, the other end is equipped with the taper sheath that is made of two or multi-disc, the screw thread cover is screwed in to push up to draw in the nut and with the taper sheath superior displacement and locatees, and the connection-peg head is flexible clamping with taper sheath when being segment shape and butt joint and cooperates.
8. according to claim 7 it is characterized in that: the other end of stage clip is equipped with pad by do not have shearing the prestressing force prefabricated component that the rapid abutting joint fastener constitutes, and the taper sheath that is made of two or multi-disc is positioned on the pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100601807A CN101519876B (en) | 2008-03-17 | 2008-03-17 | Cutting-free fast tearing butt coupler and butt joint piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100601807A CN101519876B (en) | 2008-03-17 | 2008-03-17 | Cutting-free fast tearing butt coupler and butt joint piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101519876A CN101519876A (en) | 2009-09-02 |
| CN101519876B true CN101519876B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100601807A Active CN101519876B (en) | 2008-03-17 | 2008-03-17 | Cutting-free fast tearing butt coupler and butt joint piece |
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| CN (1) | CN101519876B (en) |
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| CN102505806B (en) * | 2011-12-30 | 2013-11-06 | 天津银龙预应力材料股份有限公司 | Connection device special for prestressed reinforcement with screw thread at end head |
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| CN206034422U (en) * | 2016-08-29 | 2017-03-22 | 许伟敏 | PHC tubular pile does not have welding ready -packaged joint |
| CN107268612A (en) * | 2017-07-20 | 2017-10-20 | 河北工业大学 | A kind of quick-connecting joint for concrete square pile |
| CN108755761A (en) * | 2018-08-01 | 2018-11-06 | 中冶长天国际工程有限责任公司 | A kind of antidetonation pipe gallery and its installation method |
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| CN201314044Y (en) * | 2008-03-17 | 2009-09-23 | 周兆弟 | Abutting joint piece of dead-drawn fastener and prestressing prefabricated member consisting of abutting joint pieces of dead-drawn fastener |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314044Y (en) * | 2008-03-17 | 2009-09-23 | 周兆弟 | Abutting joint piece of dead-drawn fastener and prestressing prefabricated member consisting of abutting joint pieces of dead-drawn fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101519876A (en) | 2009-09-02 |
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