CN217150176U - Precast pile end plate and precast pile with same - Google Patents

Abstract

The utility model provides a precast pile end plate and a precast pile with the end plate, wherein, symmetrically arranged wing edges are arranged at both sides of an end plate body, the wing edges at both sides are provided with tongue-and-grooves, and the circular arc at the joint of the end plate body and the wing edges is processed in a tangent way; the end plate body is provided with a plurality of countersunk holes and screw holes. The utility model discloses rational in infrastructure, handsome in appearance, production efficiency height, fender soil width are big, comprehensive cost is low.

Description

Precast pile end plate and precast pile with same

Technical Field

The utility model belongs to the technical field of the precast pile, concretely relates to precast pile end plate and precast pile who has this end plate.

Background

At present, the foundation pit or side slope support mainly adopts support modes such as graded slope excavation, Larsen steel sheet piles, soil nailing walls, gravity type cement soil walls, underground continuous walls, bored pile row piles and the like. The supporting mode is mainly field operation, comprises the procedures of hole forming or grooving, cage rib manufacturing and installing, cement paste or concrete pouring and the like, has large resource and manpower consumption, low field pouring construction efficiency and long natural maintenance period, is easily influenced by environmental factors such as weather and the like, and simultaneously, the engineering quality is influenced by factors such as the level of operators, the construction operation environment and the like, so that the supporting quality is uneven. At present, a large number of projects adopt precast piles as precast components for side slope or foundation pit support, the precast piles are formed in a centrifugal forming mode and a pouring forming mode, the precast piles formed in the centrifugal forming mode are generally regular in pile type, after a row pile supporting structure is formed, the vertical faces of most pile types are flat, the shapes are monotonous, most of the pile types formed in the pouring mode are special-shaped components, the vertical faces have fluctuation changes, the attractiveness is high, but the production efficiency is low, and the manufacturing cost is high. Therefore, a precast pile product which is centrifugally formed and has an attractive appearance needs to be developed.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a precast pile end plate and precast pile that has this end plate that rational in infrastructure, handsome in appearance, production efficiency is high, keep off the big, the comprehensive cost of soil width is low.

The utility model provides a technical scheme that its technical problem adopted is:

a precast pile end plate comprises an end plate body; the two sides of the end plate body are provided with symmetrically arranged wing edges, the wing edges on the two sides are provided with tongue-and-grooves, and the circular arcs at the joints of the end plate body and the wing edges are processed in a tangent mode; the end plate body is provided with a plurality of countersunk holes and screw holes.

In the scheme, two sides of the wing edge are arc-shaped, and the ratio of the arc radius of the end plate body to the arc radius of the wing edge is 0.8-1.5; the ratio of the width of the end plate body along the wing edge direction to the diameter of the circular arc is 1.0-1.5.

In the scheme, the grooves of the wing edges are all female tenons, or the groove of one side wing edge is a female tenon, and the groove of the other side wing edge is a male tenon.

In the scheme, the grooves of the two side flanges are S-shaped male and female tenons which are arranged in an antisymmetric mode or the grooves of the two side flanges are arc-shaped tenons.

In the above scheme, the countersunk hole comprises a countersunk groove and a reinforcing steel bar positioning hole, and the outermost side of the countersunk groove is provided with a chamfer.

In the above scheme, the counter bores are communicated with the screw holes through the rib passing grooves.

Furthermore, the centroid of the screw hole is located at the position of the steel bar and a circular arc tangent line which takes the centroid of the end plate body as the circle center.

In the scheme, the counter bores and the screw holes are arranged in a split mode.

Furthermore, the line of counter sink is the octagon, 4 summits points department about the octagon, and the counter sink is horizontal distribution with the screw hole, and 4 summits departments about the octagon, counter sink and screw hole are vertical and arrange, and the screw hole and the counter sink of all the other positions are arranged along the hypotenuse of octagon.

A precast pile comprises the precast pile end plate.

Compared with the prior art, the beneficial effects of the utility model are that: precast pile end plate and precast pile that has this end plate rational in infrastructure, handsome in appearance, production efficiency is high, keep off the native width greatly, synthesize the cost low.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an end plate of one tongue and groove type of embodiment;

FIG. 2 is a cross-section A-A of an end plate in the form of a tongue and groove according to an embodiment;

FIG. 3 is an enlarged view of FIG. 2B;

FIG. 4 is an enlarged view of FIG. 1D;

FIG. 5 is a cross-section B-B of an end plate of a tongue and groove type of the embodiment;

FIG. 6 is a cross-section C-C of an end plate in the form of a tongue and groove according to an embodiment;

FIG. 7 is a schematic view of a tongue and groove type of two end plate of the embodiment;

FIG. 8 is a schematic illustration of a three-port plate of a tongue and groove version of an embodiment;

FIG. 9 is a schematic view of a tongue and groove type four terminal plate of an embodiment;

FIG. 10 is a schematic diagram of a bezel of an embodiment in the form of a tongue and groove;

FIG. 11 is a schematic view of a bezel of a second tongue and groove type according to an embodiment;

FIG. 12 is a cross-section A-A of an end plate of tongue and groove type according to the second embodiment;

FIG. 13 is an enlarged view of FIG. 12B;

FIG. 14 is an enlarged view of FIG. 11D;

FIG. 15 is a cross-section B-B of a tongue and groove type end plate according to the second embodiment;

FIG. 16 is a cross-section C-C of a tongue and groove type end plate of the second embodiment;

FIG. 17 is a schematic view of a second tongue and groove type of two end plate of the embodiment;

FIG. 18 is a schematic view of a three-terminal plate of a second tongue-and-groove type according to an embodiment;

FIG. 19 is a schematic view of a four-terminal plate of a second tongue and groove type according to an embodiment;

fig. 20 is a schematic diagram of a tongue-and-groove type five-end board according to the second embodiment.

In the figure, 1, an end plate main body; 2. a wing edge; 3. a countersunk hole; 31. a countersunk groove; 32. positioning holes for reinforcing steel bars; 33. chamfering; 4. a screw hole; 5. a rib passing groove; 6. a steel bar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1-10, in order to implement the precast pile end plate of the present invention, the precast pile end plate includes an end plate main body 1; the two sides of the end plate main body 1 are provided with symmetrically arranged wing edges 2, the wing edges 2 on the two sides are provided with tongues and grooves, and the circular arcs at the joints of the end plate main body 1 and the wing edges 2 are processed in a tangent mode; the end plate main body 1 is provided with a plurality of countersunk holes 3 and screw holes 4.

According to the embodiment, preferably, two sides of the wing edge 2 are arc-shaped, and the ratio of the arc radius of the end plate main body 1 to the arc radius of the wing edge 2 is 0.8-1.5; the ratio of the width of the end plate body along the wing edge direction to the diameter of the circular arc is 1.0-1.5.

According to the embodiment, the tongue-and-groove of the two side flanges 2 are preferably a female tenon, and the female tenon is preferably a trapezoidal concave tenon.

According to the embodiment, the tongue-and-groove of one side wing edge 2 is preferably a female tongue, and the tongue-and-groove of the other side wing edge 2 is preferably a male tongue, and the female tongue is preferably a trapezoidal groove or an inward concave circular arc, and the male tongue is preferably a trapezoidal tenon or an outward convex circular arc.

According to the embodiment, the grooves of the two side flanges 2 are preferably S-shaped male and female tenons which are arranged in an anti-symmetric manner, namely, the front part of one side flange is an inner concave circular arc, the rear part of one side flange is an outer convex circular arc, the inner concave circular arc and the outer convex circular arc are in smooth transition to form a curve similar to an 'S' shape, the circular arc at the intersection point of the inner concave circular arc and the flange arc is in transition, and the other side flange is anti-symmetric with the inner concave circular arc and the outer convex circular arc.

According to the present embodiment, the tongue and groove of the two side flanges 2 are preferably arc-shaped tenons, that is, the two side flanges are convex arc-shaped tenons.

Preferably, end plate main part 1 adopts the steel more than Q235B, is fixed in the precast pile both ends, and its cross sectional shape is the same with the pile body, adds wing limit 2 at 1 bilateral symmetry of end plate main part, and the end plate adopts special-shaped cross section form, and the wing limit is add to both sides on the basis of circular cross section, can effectively solve the shortcoming that traditional tubular pile soil retaining width is less, the stagnant water effect is relatively poor.

The section of the rabbet of the wing edge 2 is trapezoidal or circular arc, and meanwhile, a chamfer R3 is arranged at the joint of the end part of the wing edge and the circular arc lines at the two sides of the wing edge, as shown in figure 3. The size of the end plate is smaller than that of the pile body concrete, so that the end plate is prevented from being deformed due to scraping between the end plate and a mould, and preferably, the size of the end plate is 1-2mm smaller than that of the pile body concrete.

According to the present embodiment, the countersunk hole 3 preferably includes a countersunk groove 31 and a reinforcement positioning hole 32, and the diameter of the countersunk groove 31 is preferably larger than that of the reinforcement positioning hole 32. According to the present embodiment, it is preferable that the countersunk grooves 31 and the reinforcement positioning holes 32 communicate with each other in an inclined plane through the end plate body 1. Preferably, the 1-2mm chamfer 33 is arranged on the outermost side of the countersunk head groove 31, so that the friction damage of the steel bars is avoided in the production process, and the improvement of the pile body performance is facilitated.

According to the present embodiment, preferably, the screw holes 4 are distributed correspondingly to the counter bores 3 and vertically penetrate through the end plate body 1.

According to the embodiment, preferably, the counter bore 3 is communicated with the screw hole 4 through the rib passing groove 5, and the steel bar 6 is positioned in the counter bore 3; the centroid of the screw hole 4 is located at the position of the steel bar 6 and the arc tangent line taking the centroid of the end plate body 1 as the center of circle. When wearing the reinforcing bar, the reinforcing bar passes screw hole 4 earlier, through rotatory end plate with the reinforcing bar through crossing in 5 anchors of muscle groove 3 counter sink, realize end plate and steel reinforcement cage's being connected.

The rib passing groove 5 and the countersunk hole 3 are at a certain angle, the upset head of the roll-welded steel reinforcement framework manually passes through the screw hole 4 of the end plate, the upset head of the steel reinforcement can be screwed into the countersunk hole 3 from the rib passing groove 5 by rotating the end plate, and the upset head of the steel reinforcement and the countersunk hole 3 of the end plate are anchored, so that the process of disassembling the steel reinforcement framework and penetrating the rib groove is avoided, the installation difficulty is reduced, and the working efficiency is improved.

Example 2

Referring to fig. 11-20, the embodiment 2 is different from the embodiment 1 in that the counter bored hole 3 is provided separately from the screw hole 4. The flange end screw hole 4 is vertical distribution with counter sink 3, and the screw hole 4 and the counter sink 3 of the 1 circular arc end of end plate main part are the level and distribute to the counter sink, and the screw hole 4 and the counter sink 3 of all the other positions distribute along steel reinforcement cage skeleton annular.

In the precast pile end plate of the embodiment, the reinforcement passing groove 5 between the countersunk hole 3 and the screw hole 4 is eliminated, so that the integrity of the end plate is enhanced; can carry out pier head processing to the reinforcing bar head after the reinforcing bar passes reinforcing bar locating hole 32, later with reinforcing bar pier head anchor in countersunk head groove 31, accomplish the anchor and connect, avoid the reinforcing bar by crossing the process that reinforcing bar groove 5 got into countersunk hole 3 from countersunk head groove 31.

The end plate is provided with the rib passing groove 5, so that firstly, the damage to the thread in the screw hole 4 when the opening between the communicated screw hole 4 and the reinforcing steel bar positioning hole 32 is punched in the manufacturing process of the end plate is avoided, and the accuracy of the internal thread of the screw hole 4 is influenced; the contact area between the pier heads of the steel bars and the end plates is increased, and the anchoring performance of the end plates is effectively improved; the production cost of the end plate is reduced, so that the production cost of the precast pile is reduced; the reinforcement groove 5 is eliminated, the integrity of the pile body is improved, and the reinforcement groove has a beneficial effect on improving the pile body performance of the precast pile; the production process is optimized, and the production efficiency is improved.

Example 3

A precast pile comprising the precast pile end plate according to embodiment 1 or 2, thus having the advantageous effects of embodiment 1 or 2, will not be described herein.

The above-listed detailed description is only a specific description of possible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention should be included within the scope of the present invention.

Claims (10)

1. A precast pile end plate is characterized by comprising an end plate body (1); the two sides of the end plate body (1) are provided with symmetrically arranged wing edges (2), the wing edges (2) on the two sides are provided with tongues and grooves, and the circular arcs at the joints of the end plate body (1) and the wing edges (2) are processed in a tangent mode; the end plate body (1) is provided with a plurality of countersunk holes (3) and screw holes (4).

2. The precast pile end plate according to claim 1, wherein the two sides of the wing edge (2) are arc-shaped, and the ratio of the arc radius of the end plate body (1) to the arc radius of the wing edge (2) is 0.8-1.5; the ratio of the width of the end plate body (1) along the wing edge direction to the diameter of the circular arc is 1.0-1.5.

3. A precast pile end plate according to claim 1, wherein the tongue-and-groove of both side flanges (2) are female tongues or the tongue-and-groove of one side flange (2) is female tongues, and the tongue-and-groove of the other side flange (2) is male tongues.

4. The precast pile end plate according to claim 1, wherein the tongue-and-groove of the two side flanges (2) is an S-shaped male-female tenon arranged in an antisymmetric manner or the tongue-and-groove of the two sides of the two side flanges (2) are arc-shaped tenons.

5. A precast pile end plate according to claim 1, characterized in that the countersunk hole (3) comprises a countersunk groove (31) and a reinforcement positioning hole (32), and the outermost side of the countersunk groove (31) is provided with a chamfer (33).

6. A precast pile end plate according to claim 1, characterized in that the counter-sunk hole (3) and the screw hole (4) are communicated through a rib passing groove (5).

7. The precast pile end plate according to claim 6, wherein the centroid of the screw hole (4) is located at the position where the steel bar (6) is tangent to the arc of the end plate body (1).

8. A precast pile end plate according to claim 1, wherein the counter-sunk hole (3) is formed separately from the screw hole (4).

9. The precast pile end plate of claim 8, wherein the connecting line of the counter sink holes (3) is octagonal, the upper and lower 4 vertices of the octagonal are horizontally distributed, the left and right 4 vertices of the octagonal are vertically distributed, the screw holes (4) and the counter sink holes (3) are vertically distributed, and the screw holes (4) and the counter sink holes (3) at the other positions are distributed along the inclined edge of the octagonal.

10. A precast pile comprising the precast pile end plate of any one of claims 1 to 9.

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