CN100424277C

CN100424277C - Double-end expansion hanging pile-connecting end plate fastener and prefab

Info

Publication number: CN100424277C
Application number: CNB2005100698866A
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-17
Filing date: 2005-05-17
Publication date: 2008-10-08
Anticipated expiration: 2025-05-17
Also published as: CN1676777A

Abstract

The present invention relates to a pipe pile connection buckle, a prefabricated component composed of prefabricated component joints, a connection structure between the prefabricated components and a method for manufacturing the prefabricated component, which belongs to the field of the manufacture of prefabricated component connection buckles and the prefabricated components. Double-ended expanding splicing pile splicing end board buckled and two or more tensioning screw nuts are distributed on an end board; during butt joint, under the action of an expanding pin, expanding attaching bodies of a double-end expanding splicing body expand and are spliced in expanding splicing cavities of two tensioning screw nuts and are spliced with lug bosses arranged in the cavities. The prefabricated component is composed of double-ended expanding splicing pile splicing end board buckles; both ends of the prefabricated component are respectively provided with the tensioning screw nuts provided with end boards; 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. Besides, the double-ended expanding splicing body and the expanding pin are used for the butt joint between two prefabricated components.

Description

Double-end expansion hanging pile extension end plate is buckled

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 expansion hanging volume expansion of setscrew is in 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 that the double-end expansion hanging pile extension end plate with quick grafting expansion pile extension is buckled and prefabricated component; The 2nd, realizing rises draws nut and top to draw 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 hanging 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 nut lumen, 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 drawing nut of rising 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, and the expansion hanging body in the double-end expansion hanging body (the particularly boss on the expansion hanging body) can draw that the inner convex platform of instantaneous expansion distortion and expansion chamber forms engagement in the chamber in the nut rising after being subjected to the inserting by force of its pin that expands, and the expansion hanging body after the dilatancy can be locked in the chamber firmly; The 2nd, the expansion hanging body at two ends can be realized expansion hanging respectively with under the effect of the pin that expands in insertion moment of drawing the nut lumen of rising 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 1: double-end expansion hanging pile extension end plate is buckled, two or more rising draws nut (1) to be distributed on the end plate, during butt joint, the expansion hanging body of double-end expansion hanging body (4) rises at two at expansion hanging under the effect of the pin (7) that expands and draws in the expansion hanging chamber (11) in the nut (1) and articulate with boss (8) in the chamber.

Technical scheme 2: buckle the prefabricated component that constitutes by double-end expansion hanging pile extension end plate, prefabricated component (12) two ends are equipped with respectively and have rising of end plate (14) and draw nut (1), the heading (10) at the two ends of some longitudinal reinforcements is connected to respectively to rise and draws on the reinforcing bar heading Ka Tai (2) in the nut (1) in the prefabricated component (12), and double-end expansion hanging body (4) and expanding is sold (7) and is used for butt joint between two prefabricated components (12).

Technical scheme 3: buckle the prefabricated component that constitutes and the docking structure between prefabricated component by double-end expansion hanging pile extension end plate, the end of two prefabricated components that dock is equipped with several that have end plate respectively and rises and draw nut, rise and draw the heading clamping at longitudinal reinforcement two ends in the reinforcing cage in nut and the prefabricated component, the double-end expansion hanging body draws in the chamber of nut rising by the pin expansion hanging that expands respectively, finishes docking between prefabricated component and prefabricated component.

Technical scheme 4: buckle the preparation method of making prefabricated component by double-end expansion hanging pile extension end plate, the heading at the two ends of some longitudinal reinforcements is stuck in and has rising of end plate and draw the heading Ka Tai in the nut to go up and put it in the shaping mould in the reinforcing cage, 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 and draw the prefabricated component of expansion nut structure, the double-end expansion hanging body and the pin that expands are used for two butt joints between prefabricated component.

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 rapid abutting joint pile extension between prefabricated component and prefabricated component and the reliability height that docks, high efficiency; The 3rd, the design of grafting 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 that double-end expansion hanging pile extension end plate is buckled.

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

Fig. 3 is the structural representation of double-end expansion hanging body.

Fig. 4 is the structural representation that expands and sell.

Fig. 5 is the end face structure schematic diagram of double-end expansion hanging body.

Fig. 6 is the structural representation of pile tube.

Fig. 7 is that double-end expansion hanging pile extension end plate is buckled the pile tube of 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 expansion hanging pile extension end plate is buckled to rise by two and is drawn nut 1, double-end expansion hanging body 4 and the pin 7 that expands constitutes, two or more rising draws nut 1 to be distributed on the end plate 14, during butt joint, the expansion hanging body of double-end expansion hanging body 4 rises at two at expansion hanging under the effect of the pin 7 that expands and draws in the expansion hanging chamber 11 in the nut 1 and articulate with boss 8 in the chamber, the cap mouth that draws nut 1 of rising is inboard to have reinforced hole 9 for the center of haling at the bottom of screw thread 3, the cap, the periphery of reinforced hole is a reinforcing bar heading card platform 2, Ka Tai and hale between screw thread and to be expansion hanging chamber 11 sees accompanying drawing 1.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.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 4.The hanging joint of double-end expansion hanging body is boss structure 5, double-end expansion hanging body 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, double-end expansion hanging body 3 is by the pin 2 that expands, two expansion hanging bodies constitute, two expansion hanging bodies are overall structure, the head of swollen pin 2 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 4 and draw in the chamber 11 in the nut, the arm of angle that connects of the end of the expansion hanging body of double-end expansion hanging body 4 is outwelled a circle, see accompanying drawing 3.Rise and draw nut 1, double-end expansion hanging body 4 and expand pin 7 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, buckle prefabricated component (pile tube----the pipe shape that constitutes, square pipe pile etc. by double-end expansion hanging pile extension end plate), prefabricated component 12 two ends are equipped with respectively and have rising of end plate 14 and draw nut 1, the heading 10 at the two ends of some longitudinal reinforcements is connected to respectively to rise and draws on the reinforcing bar heading card platform 2 in the nut 1 in the prefabricated component 12, and the double-end expansion hanging body 4 and the pin 7 that expands are used for the butt joint of 12 of two prefabricated components.(this double-end expansion hanging body 4 when pile tube docks with pile tube, the expansion hanging volume expansion in its double-end expansion hanging body is drawn in the nut 1 rising; When pile tube did not dock with pile tube, its double-end expansion hanging body 4 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, buckle between the pile tube that constitutes and pile tube or the pile extension structure between bridge pier and bridge pier or electric pole and electric pole by double-end expansion hanging pile extension end plate, the end of two prefabricated components that dock is equipped with several that have end plate respectively and rises and draw nut, rise and draw the heading clamping at longitudinal reinforcement two ends in the reinforcing cage in nut and the prefabricated component, the double-end expansion hanging body draws in the chamber of nut rising by the pin expansion hanging that expands respectively, finishes docking between prefabricated component and prefabricated component.

Embodiment 4: buckled the preparation method of making prefabricated component by double-end expansion hanging pile extension end plate, the heading at the two ends of some longitudinal reinforcements is stuck in and has rising of end plate and draw the heading Ka Tai in the nut to go up and put it in the shaping mould in the reinforcing cage, 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 and draw the prefabricated component of expansion nut structure, the double-end expansion hanging body and the pin that expands are used for two butt joints between 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

1. a double-end expansion hanging pile extension end plate is buckled, and by end plate, double-end expansion hanging body, the pin and rise and draw nut to constitute of expanding, two or more rising draws nut to be distributed on the end plate; The described cap mouth that draws nut of rising is inboard, and the periphery of reinforced hole is reinforcing bar heading Ka Tai for the center of haling at the bottom of screw thread, the cap has reinforced hole, and Ka Tai is the expansion hanging chamber with haling between screw thread, has boss structure in the described expansion hanging chamber; Described double-end expansion hanging body comprises two expansion hanging bodies, two expansion hanging bodies are overall structure, the hanging joint of described expansion hanging body is boss structure, vertically has 1 or 2 or many guiding wire casing that expands on the wall of the guide channel of described expansion hanging body; During butt joint, the expansion hanging body of double-end expansion hanging body rises at two at expansion hanging under the effect of described bloated pin and draws in the expansion hanging chamber in the nut and articulate with boss in the chamber.

2. double-end expansion hanging pile extension end plate according to claim 1 is buckled, and it is characterized in that: rise and draw nut, double-end expansion hanging body and the pin that expands to adopt metal or nonmetals to make.