CN100424276C - Double-end inserting expansion meshing body pile connecting fastener and prefab - Google Patents
Double-end inserting expansion meshing body pile connecting fastener and prefab Download PDFInfo
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- CN100424276C CN100424276C CNB2005100698828A CN200510069882A CN100424276C CN 100424276 C CN100424276 C CN 100424276C CN B2005100698828 A CNB2005100698828 A CN B2005100698828A CN 200510069882 A CN200510069882 A CN 200510069882A CN 100424276 C CN100424276 C CN 100424276C
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Abstract
The present invention relates to a pipe pile connection buckle, a prefabricated component composed of prefabricated component joints, a connection structure between two prefabricated components and a method for manufacturing the prefabricated components, which belongs to the field of the manufacture of prefabricated component connection buckles and the prefabricated components. A double-ended insertion expansion engagement body is connected with a pile buckle; an expansion engagement tooth sheath is arranged in an expansion cavity of a tensioning screw nut; under the action of an expansion pin, an expansion body of the double-ended insertion expansion engagement body is engaged in the expansion engagement tooth sheath in the tesnsioning screw nut in an expansion mode. The prefabricated component is formed by connecting the double-ended insertion expansion engagement body with the pile buckle; both ends of the prefabricated component are respectively provided with a plurality of tensioning screw nuts; set heads arranged at both ends of each of a plurality of longitudinal reinforced bars arranged in the prefabricated component are respectively clamped on reinforced bar set head clamping platforms in the tensioning screw nuts; the double-ended insertion expansion engagement body is used for the butt joint of two prefabricated components.
Description
Technical field:
The present invention relates to a kind of pile tube connects button, precast plate and connects 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 the 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 and the preparation method of prefabricated component, the genus prefabricated component connects to be detained and prefabricated component manufacturing field.
Background technology:
The application be 200410091063.9 at all number of patent applications of the applicant, title " goes up apical grafting stake button and prefabricated component under the spiral shell ", draw nut, setscrew and top to draw nut to constitute by rising, rise and draw nut to be screwed in the screw section of setscrew, during butt joint, the expander of setscrew expands in expansion chamber in the nut is drawn on the top.Blemish in an otherwise perfect thing be: the one, need before the butt joint setscrew is screwed in to rise to draw in the screw thread of nut, the pile extension that just can achieve a butt joint then, it is slow therefore to dock pile extension speed; The 2nd, draw nut to draw the structure of nut different owing to rise with the top, so its mfg. moulding die and complex process, and the processing charges height.
Summary of the invention:
Purpose of design: avoid the weak point in the background technology, designing a kind of one is double-end inserting expansion meshing body pile extension button and the prefabricated component thereof with quick grafting expansion pile extension; The 2nd, realization is risen to draw nut and rise and is drawn the integrated of nut structure, reduces mould input and processing charges, reduces production costs.
Design scheme: the application is 200410091063.9 at all number of patent applications of the applicant, invents on the basis that title " goes up apical grafting stake button and prefabricated component under the spiral shell ", be further innovation and realizing on the architecture basics of the applicant, adopt 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 in first to file.On structure design: 1, 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 screw thread in the nut to rise to hale 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 to rise and draw in the nut; The 3rd, rise and draw the design of expansion chamber in the nut, pawl expansion shifter collar structure Design in the expansion chamber particularly can form the hook drawknot and close, and----------can moment be expanded the expander in the double-end expansion body by the pin that expands and drawn engaging structure rising to draw in the expansion shifter collar in the nut and form hook with the expander in the double end varicosity.2, the design of double-end expansion body is two of a feature of the present invention, its major function is: the one, the expander in the double-end expansion body (the particularly suitable tooth engaging conformation on the expander) after being subjected to the inserting by force of its pin that expands can rise draw instantaneous expansion distortion in the expansion chamber in the nut and with expansion chamber in the expansion shifter collar in pawl form engagement, and the expander after the dilatancy can be locked in the expansion chamber firmly; The 2nd, the expander at two ends is respectively with under the effect of the pin that expands in the double-end expansion body, rise in insertion and to draw in the nut in the expansion chamber moment of expansion shifter collar can realize the butt joint of expanding, thereby docking with expansion ways of connecting moment between pile tube and pile tube can be finished.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.3, the design of drawing nut and end plate welding connection structure of rising is three of a feature of the present invention, and its major function is: the one, guarantee to rise draw 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 of drawing nut of rising, avoid impact force to concentrate, easily cause the deficiency of pile tube breakage.
Technical scheme 1: double-end inserting expansion meshing body pile extension button, expansion shifter collar (12) is positioned at the expansion chamber (6) that rises and draw nut (1), during butt joint, the expander of double-end expansion meshing-body (3) the effect of the pin (2) that expands down expansion being engaged on to rise and drawing in the expansion shifter collar (12) in the nut (1).
Technical scheme 2: the prefabricated component that constitutes by double-end inserting expansion meshing body pile extension button, prefabricated component (10) two ends are equipped with a plurality of rising respectively and draw nut (1), the heading (11) at the two ends of some longitudinal reinforcements is connected to respectively to rise and draws on the reinforcing bar heading Ka Tai (5) in the nut (1) in the prefabricated component (10), and double-end expansion meshing-body (3) is used for the butt joint between two prefabricated components.
Technical scheme 3: prefabricated component that constitutes by double-end inserting expansion meshing body pile extension button and the docking structure between prefabricated component, the end of two prefabricated components that dock is equipped with a plurality of rising respectively and draws nut, a plurality of the rising of one prefabricated component end draws a plurality of the rising of nut mouth and another prefabricated component end to draw the nut mouth relative, double-end expansion meshing-body expands in the expansion shifter collar in the expansion chamber that draws nut that rises by the pin that expands respectively, finishes docking between prefabricated component and prefabricated component.
Technical scheme 4: the method for making prefabricated component by double-end inserting expansion meshing body pile extension button, the two ends of some longitudinal reinforcements are upset into heading and heading and are stuck in just to rise and draw on the heading Ka Tai in the nut in the reinforcing cage, reinforcing cage is put into shaping mould, placing of concrete, matched moulds, hale simultaneously rising of prefabricated component die cavity one end draw nut to the power that sets, force some reinforcing bars to extend to the length that sets synchronously after, centrifugal casting or vibration foundry goods, get promptly that having rises and draw the prefabricated component of nut structure, double-end expansion meshing-body is used for the butt joint between two prefabricated components.
The present invention compares with background technology, the one, the structure design uniqueness, simple, processing mold is single, expense is low, reduced cost of production widely; The 2nd, realized the rapid abutting joint pile extension between prefabricated component and prefabricated component, high efficiency; The 3rd, double-end expansion meshing-body and rising draws in the nut that institute's formation hook drawknot closes between the expansion shifter collar in the expansion chamber, has guaranteed the reliable connection between pile tube and pile tube; The 4th, solved 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 5th, 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 6th, 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.Be to rise to draw the design of nut and end plate welding connection structure, not only guaranteeing rises draw nut distribute accurately, be convenient between pile tube and pile tube fast, accurately dock, and 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.
Description of drawings:
Fig. 1 is the structural representation of double-end inserting expansion meshing body pile extension button.
Fig. 2 rises to draw the structural representation of nut.
Fig. 3 is the structural representation of double-end expansion body.
Fig. 4 is the end face structure schematic diagram of double-end expansion body.
Fig. 5 is the structural representation that expands and sell.
Fig. 6 is the structural representation of pile tube.
Fig. 7 is the pile tube of double-end inserting expansion 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 1～5.Double-end inserting expansion meshing body pile extension button, expansion shifter collar 12 are positioned at the expansion chamber 6 that rises and draw nut 1, and during butt joint, the expander of double-end expansion meshing-body 3 in the expansion shifter collar 12 in the nut 1 of expanding that being engaged on rises and draw, is seen accompanying drawing 1 under the effect of the pin 2 that expands.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 cap mouth that draws nut 1 of rising is inboard to have reinforced hole 4 for the center of haling at the bottom of screw thread 7, the cap, the periphery of reinforced hole is a reinforcing bar heading card platform 5, Ka Tai and hale between screw thread and to be the engagement chamber 6 of expanding, expansion shifter collar 12 is positioned at expansion chamber 6 and the expansion shifter collar 12 that draws nut 1 that rise and is the pawl structure, sees accompanying drawing 2.Expansion chamber 6 has tapering, and it is big down little that cavity is; Hale 7 of screw threads and hale action of steel bars; Vertically have 1 or 2 or many guiding wire casing 8 that expands on the wall of the guide channel of the expander of double-end expansion body 3.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 6 of expanding to form expansion hook drawknot to close.There is bloated pin-and-hole 9 at the center of the expander of double-end expansion body 3.Double-end expansion body 3 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 3 is by the pin 2 that expands, two expanders constitute, two expanders are overall structure, the head of swollen pin 2 is inserted in the expander upper end centre pilot passage 9, vertically have 1 or 2 or many guiding wire casing 8 that expands on the wall of guide channel, insert to rise for the ease of the expander moment in the double-end expansion body 3 and draw in the expansion chamber 6 in the nut, the arm of angle that connects of the end of the expander of double-end expansion body 3 is outwelled a circle, see accompanying drawing 3.Rise and draw nut 1, expansion shifter collar 12, double-end expansion meshing-body 3 and expand pin 2 employing metals or nonmetals making.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 6.On the basis of embodiment 1, prefabricated component (pile tube----the pipe shape that constitutes by double-end inserting expansion meshing body pile extension button, square pipe pile etc.), prefabricated component 10 two ends are equipped with a plurality of rising respectively and draw nut 1, the heading 11 at the two ends of some longitudinal reinforcements is connected to respectively to rise and draws on the reinforcing bar heading card platform 5 in the nut 1 in the prefabricated component 10, the two ends of some longitudinal reinforcements are upset into heading and heading and are stuck in just to rise and draw on the heading Ka Tai in the nut in the reinforcing cage, reinforcing cage is put into shaping mould, placing of concrete, matched moulds, haling rising of prefabricated component die cavity one end simultaneously draws 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 and draw the prefabricated component of nut structure.3 are used for the butt joint between two prefabricated components.(this double-end expansion body 3 when pile tube docks with pile tube, the expansion meshing-body in its double-end expansion body expands that being engaged on rises and draws in the expansion shifter collar in the nut 1; When pile tube did not dock with pile tube, its double-end expansion body 3 drew nut 1 to separate with rising, separately keeping).
Embodiment 3: with reference to accompanying drawing 7.On the basis of embodiment 1 and 2, between pile tube that constitutes by double-end inserting expansion meshing body pile extension button and pile tube or the pile extension structure between bridge pier and bridge pier or electric pole and electric pole, the end of two prefabricated components that dock is equipped with a plurality of rising respectively and draws nut, a plurality of the rising of one prefabricated component end draws a plurality of the rising of nut mouth and another prefabricated component end to draw the nut mouth relative, double-end expansion meshing-body expands in the expansion shifter collar in the expansion chamber that draws nut that rises by the pin that expands respectively, finishes docking between prefabricated component and prefabricated component.
Embodiment 4: on the basis of embodiment 1 and 2, prefabricated component that constitutes by double-end inserting expansion meshing body pile extension button and the docking structure between prefabricated component, the end of two prefabricated components that dock is equipped with a plurality of rising respectively and draws nut, a plurality of the rising of one prefabricated component end draws a plurality of the rising of nut mouth and another prefabricated component end to draw the nut mouth relative, double-end expansion meshing-body expands in the expansion shifter collar in the expansion chamber that draws nut that rises by the pin that expands respectively, finishes docking between prefabricated component and prefabricated component.
Embodiment 5: the method for being made prefabricated component by double-end inserting expansion meshing body pile extension button, the two ends of some longitudinal reinforcements are upset into heading and heading and are stuck in just to rise and draw on the heading Ka Tai in the nut in the reinforcing cage, reinforcing cage is put into shaping mould, placing of concrete, matched moulds, hale simultaneously rising of prefabricated component die cavity one end draw nut to the power that sets, force some reinforcing bars to extend to the length that sets synchronously after, centrifugal casting or vibration foundry goods, get promptly that having rises and draw the prefabricated component of nut structure, the double-end expansion body is used for docking between prefabricated component and prefabricated component.
What need understand is: though the foregoing description is to the present invention's detailed explanation of contrasting; but these embodiment are just illustrative to the 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 (3)
1. double-end inserting expansion meshing body pile extension button, comprising rises draws nut (1) and double-end expansion meshing-body (3); The cap mouth that draws nut (1) of rising is inboard to have reinforced hole (4) for the center of haling at the bottom of screw thread (7), the cap, the periphery of reinforced hole (4) is reinforcing bar heading Ka Tai (5), Ka Tai (5) and hale between screw thread (7) and to be expansion chamber (6), expansion shifter collar (12) is positioned at described expansion chamber (6), and expansion shifter collar (12) is the pawl structure; Double-end expansion meshing-body (3) is made of expand pin (2) and two expanders, and two expanders are overall structure, and the wall of described expander is along toothing; There is bloated pin-and-hole (9) at the center of described expander, and vertically has 1 or 2 or many guiding wire casing (8) that expands on the wall of the guide channel of described expander; During butt joint, the expander of double-end expansion meshing-body (3) inserts to rise and draws in the nut (1), and expands down in expansion shifter collar (12) and mesh with the pawl of expansion shifter collar (12) in the effect of the pin (2) that expands.
2. double-end inserting expansion meshing body pile extension button according to claim 1 is characterized in that: described expansion chamber (6) has tapering, and it is big down little that cavity is.
3. double-end inserting expansion meshing body pile extension button according to claim 1 is characterized in that: described rising draws nut (1), expansion shifter collar (12), double-end expansion meshing-body (3) and the pin (2) that expands to adopt metal or nonmetals to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100698828A CN100424276C (en) | 2005-05-17 | 2005-05-17 | Double-end inserting expansion meshing body pile connecting fastener and prefab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100698828A CN100424276C (en) | 2005-05-17 | 2005-05-17 | Double-end inserting expansion meshing body pile connecting fastener and prefab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1676773A CN1676773A (en) | 2005-10-05 |
| CN100424276C true CN100424276C (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100698828A Expired - Fee Related CN100424276C (en) | 2005-05-17 | 2005-05-17 | Double-end inserting expansion meshing body pile connecting fastener and prefab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424276C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482030B (en) * | 2021-10-28 | 2024-04-12 | 广州市建筑集团有限公司 | Mechanical tooth rapid pile extension device and pile extension method for PHC pipe pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997038173A1 (en) * | 1996-04-09 | 1997-10-16 | Leimet Oy | Clampjoint for concrete piles |
| CN2495685Y (en) * | 2001-08-01 | 2002-06-19 | 钟肇鸿 | Quick-action joint for prestressed concrete piles |
| CN1603523A (en) * | 2004-11-16 | 2005-04-06 | 周兆弟 | Upper screw lower connecting pile fastener and precast member |
| CN2795292Y (en) * | 2005-05-17 | 2006-07-12 | 周兆弟 | Double head insert expansion engaged body pile extension buckle and prefabricated member |
-
2005
- 2005-05-17 CN CNB2005100698828A patent/CN100424276C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997038173A1 (en) * | 1996-04-09 | 1997-10-16 | Leimet Oy | Clampjoint for concrete piles |
| CN2495685Y (en) * | 2001-08-01 | 2002-06-19 | 钟肇鸿 | Quick-action joint for prestressed concrete piles |
| CN1603523A (en) * | 2004-11-16 | 2005-04-06 | 周兆弟 | Upper screw lower connecting pile fastener and precast member |
| CN2795292Y (en) * | 2005-05-17 | 2006-07-12 | 周兆弟 | Double head insert expansion engaged body pile extension buckle and prefabricated member |
Non-Patent Citations (2)
| Title |
|---|
| 预应力混凝土管桩快速接桩技术. 钟肇鸿，胡仲明.广东土木与建筑，第2001年第12期. 2001 |
| 预应力混凝土管桩快速接桩技术. 钟肇鸿，胡仲明.广东土木与建筑，第2001年第12期. 2001 * |
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| Publication number | Publication date |
|---|---|
| CN1676773A (en) | 2005-10-05 |
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Granted publication date: 20081008 Termination date: 20170517 |