KR200263625Y1 - Structure of concrete driving depth-adjustabled cover for head of steel pile - Google Patents

Abstract

The present invention relates to a cover structure of a steel pipe pile head of a concrete pouring depth, a plurality of reinforcement holes at regular intervals on the annular frame (1b) of the upper plate portion (1) to adjust the height of the lower plate portion (4) (1ba) is formed, and the reinforcing bar (1ba) is provided with a reinforcing bar (5) is provided with bolt insertion holes (1bb) on both sides, the both sides of the reinforcing bars of the upper plate (1) Rebar fixing holes 4b are formed in two portions on both sides of the lower plate portion 4 corresponding to 1ba), and the reinforcing fixing portions 5 are provided in the both rebar fixing holes 4b, and the upper plate portion 1 Screw holes 4a are formed on both sides of the lower plate portion 4 respectively corresponding to the bolt insertion holes 1bb on both sides, and the reinforcing bars 5 of the upper plate portion 1 and the lower plate portion 4 are reinforced. 24 is inserted and fixed, and the bolt insertion hole 1bb and the screw hole 4a of the upper plate portion 1 and the lower plate portion 4 are fastened to the fastening bolt 3. It is configured to be coupled by.

The present invention facilitates the installation of the steel pipe pile cover portion (A) on the upper portion of the steel pipe pile (26), and can be arbitrarily adjusted the depth that the base concrete is filled inside the steel pipe pile (26) according to the ground (6) There is an effect that can be, and also has the effect that can improve workability while reducing the work time.

Description

Cover structure of steel pipe pile head with concrete pour depth {STRUCTURE OF CONCRETE DRIVING DEPTH-ADJUSTABLED COVER FOR HEAD OF STEEL PILE}

The present invention relates to a cover structure of a steel pipe pile head, and more particularly, to a cover structure of a concrete pouring depth adjustable steel pipe pile head configured to control the concrete pouring depth.

In general, a pile, which is a kind of pillar (pile) that is knocked, pressed or otherwise fixed in the ground, is fixed to the ground by fixing the tip or pile in the ground to transmit the force acting on the structure through the pile. To the base.

Piles with the upper half exposed to the ground are used to connect the structures to them, usually as a bridge or part of a bridge under water.

On the other hand, files that are embedded in the ground are generally called base files. It belongs to a kind of foundation work that is used when the foundation ground is weak, and it is intended to increase the strength of the foundation ground and endure heavy loads on it by putting the pile into the weak ground.

Therefore, when constructing bridges or buildings, if the ground is not strong enough to be grounded, the ground is grounded to increase the strength of the ground.For such grounded grounds, ordinary designations such as rubble designation, sand designation, and wood pile designation, enforcement There are file specifications such as file, furrest concrete file.

As a conventional example of using a steel pipe pile used in the designation of the forced pile of the designation, "coupling structure of the steel pipe pile head and the concrete foundation using the steel pipe pile coupling hole" of the Patent Publication No. 2001-7734 is in the form of a circular frame A horizontal portion 21 having a plurality of threaded holes 21a penetrating downwards, and a lower portion of the horizontal portion 21, which is retracted inwardly or more than a thickness of the steel pipe pile 26, and is installed vertically downward and has a bolt hole 22a. ) Is formed with a vertical portion 22, a plurality of reinforcement plate 23 provided in the inner side of the lower portion formed of the horizontal portion 21 and the vertical portion 22, and the screw hole 21a of the horizontal portion 21 Steel pipe pile coupling (B) consisting of a bottom portion 25 formed with a screw hole 25a is coupled to the screw engraved reinforcement 24 and the screwed portion of the lower end of the reinforcement 24 is coupled to the top and ;

The base concrete 27 is filled in the interior of the upper portion of the steel pipe pile 26 in the state in which the steel pipe pile coupling tool B is installed inside the upper portion of the steel pipe pile 26.

However, the threaded portions formed on the upper and lower sides of the reinforcing bars 24 are screwed into the respective screw holes 21a of the horizontal portion 21 and the respective screw holes 25a of the bottom portion 25 so that the bottom portion 25 Since there is a structure that can not move, there was a problem in that the foundation concrete 27 can not be poured to the desired depth in the steel pipe pile 26 so as to be suitable according to the condition of the ground, and also on the upper and lower sides of the reinforcing bar 24 The work must be done by screwing one by one, and the reinforcing bar 24 must be matched with each screw hole 21a, 25a of the horizontal part 21 and the bottom part 25, and then rotated to be coupled so that the working time is There was a problem that it takes a long time and is not easy to work with.

The present invention has been made in order to solve the above problems, it is an object of the present invention to provide a cover structure of the steel pouring pile-type steel pipe pile head that can arbitrarily adjust the casting depth of the foundation concrete.

In order to achieve the above object, the cover structure of the steel casting pile head of concrete placing depth of the present invention is bolted on both sides while reinforcing bars are installed in reinforcing bars formed at regular intervals on the upper plate so as to adjust the height of the lower plate. Insertion holes are formed, and reinforcing bars are provided in reinforcing bar holes formed at both sides of the lower plate part corresponding to both reinforcing bar fixing holes of the upper plate part, and screw holes corresponding to the bolt insertion holes on both sides of the upper plate part are formed. Loosen the fastening bolt through the bolt insertion hole of the upper plate screwed to the screw hole of the lower plate, and adjust the height of the lower plate while the rebar is connected to the reinforcing bars of the upper plate and the lower plate to fix the lower plate to the desired depth in the steel pipe. It is characterized in that it is configured to be.

1 is an installation state diagram of a cover portion of a conventional steel pipe pile head,

Figure 2 is a partial perspective view showing a longitudinal section of the lid portion of a conventional steel pipe pile;

3 is a perspective view of a cover portion of the head of the steel sheet pile adjustable concrete depth of the present invention,

4 is an exploded perspective view of the same,

5 is the installation state diagram,

6 is an enlarged cross-sectional view of the reinforcing bars;

7 is a longitudinal cross-sectional view of FIG. 3.

<Description of Symbols for Major Parts of Drawings>

1: upper plate portion 1a: hollow portion

1b: annular frame 1ba: rebar fixed hole

1bb: bolt insertion hole 2: side wall

2a: Bolt insertion hole 3: Tightening bolt

4: lower plate 4a: screw hole

5: Reinforcing bars 6: Ground

When described in detail with reference to the accompanying drawings an embodiment of the present invention.

The cover structure of the steel casting pile head of concrete pouring depth control of the present invention is the steel plate pile part (A) consisting of the upper plate part (1), the side wall part (2), the lower plate part (4), and the reinforcing fixing part (5). An upper plate portion configured to be inserted and fixed inside the upper portion of the upper portion 26, and formed in the shape of an annular frame 1b having a hollow portion 1a, as shown in FIGS. A cylindrical side wall portion which is installed by welding in a vertical direction at a position entered inwardly by the thickness of the steel pipe pile 26, which is a bottom edge of the upper plate portion, and has a bolt insertion hole 2a for bolting at regular intervals on the side; Slightly smaller than the outer diameter of the side wall portion, the steel pipe pile cover portion consisting of a lower plate portion is formed with a screw hole (4a) to be coupled to the upper plate portion, and the steel pipe pile protruding the upper end portion is embedded in the ground (6) 26) The upper side of The steel pipe pile 26 in a state in which the steel pipe pile 26 and the steel pipe pile cover part are coupled to each other by a fastening bolt 28 while the upper surface of the steel pipe pile 26 is in contact with the bottom surface of the edge of the upper plate portion. In the base concrete 27 is filled in the interior of the upper part of the

The upper plate portion 1 in the horizontal direction in which a plurality of reinforcing bar fixing holes 1ba are formed in which the reinforcing bars 24 are inserted and fixed at regular intervals in the annular frame 1b, and bolt insertion holes 1bb are formed at both sides thereof. Wow;

It is installed in a vertical direction at the position entered into the inner side by the thickness of the steel pipe pile 26, which is the bottom edge of the upper plate portion 1, the bolt insertion hole (2a) for fastening bolts on the side formed in a zigzag direction at regular intervals Side wall portions 2 on the top;

It is installed to be moved up and down under the side wall portion 2 so that the height can be adjusted. The upper plate portion is in contact with the bottom surface of the side wall portion 2 while being slightly smaller than the outer diameter of the side wall portion 2. The screw holes 4a are formed at both sides so that the lower end of the fastening bolt 3 which has passed through the bolt insertion hole 1bb of (1) is screwed, and any one of the reinforcing bar holes 1ba of the upper plate part 1 is formed. A lower plate part 4 having reinforcing bar holes 4b formed by inserting and fixing the reinforcing bar 24 penetrating both rebar fixing holes 1ba in two portions of both sides;

Spiral connecting pipe 5a having male threads formed on the outer circumference to fix reinforcing bars 24 inserted into each of the rebar fixing holes 1ba of the upper plate 1 and the rebar fixing holes 4b of the lower plate 4. The upper part is formed in an inclined shape of the upper and lower light beams, and the lower part is formed in a cylindrical shape such that the lower part is screwed to the upper end of the spiral connecting pipe 5a, and on both sides of the sleeve 5b. The number formed on the outer circumferential surface of the clamp 5c on both sides that are built so as to correspond to each other, and the spiral connecting pipe 5a inserted into each of the reinforcing bar holes 1ba and 4b of the upper plate portion 1 and the lower plate portion 4. It consists of a reinforcing bar (5) consisting of upper and lower nuts (5d) of the screw portion is screwed to contact the upper and lower surfaces of the upper plate portion (1) and the lower plate portion (4);

The side wall portion 2 and the lower plate portion 4 are inserted into the upper side of the steel pipe pile 26 embedded in the ground 6 and the upper end portion protrudes, so that the upper surface of the steel pipe pile 26 is an edge of the upper plate portion 1. Penetration through the bolt insertion hole (2a) of the steel pipe pile (26) formed to correspond to each of the bolt insertion hole (2a) formed in the zigzag direction at regular intervals in contact with the bottom surface of the negative portion. The steel pipe pile 26 and the side wall part 2 are coupled by one fastening bolt 28.

The sleeve 5b of the reinforcing fixing part 5 has an insertion hole 5ba formed on an upper surface thereof, and a threaded portion 5bb is formed on an inner circumferential surface of a lower portion having a cylindrical shape with an open lower side thereof, and an upper side of the sleeve 5b. It is composed of an inclined shape.

The outer surface of both clamps 5c of each of the reinforcing bars 5 is formed in the same shape as the shape of a part of the upper and lower light beams that are upper part of the sleeve 5b and a part of the inner peripheral surface of the cylindrical part that is lower, As the sleeve 5b is tightened, the clamps 5c on both sides are narrowed to clamp and secure the reinforcing bars 24 inserted into the spiral connecting pipe 5a, and formed on both sides of the reinforcing bars 24 at regular intervals. Semicircular recesses 5ca are formed on the inner surface so that the semicircular protrusions 24a are inserted, and the clamps 5c on both sides are made of springs or rubber bands 5cb made of elastic material on the recesses 5cc formed on the upper and lower sides of the outer surface. ) Are configured to be tied.

The reinforcement fixing part 5 may be installed by increasing or decreasing the reinforcing fixing part 5 installed on the upper plate part 1 as needed, and the reinforcing fixing part 5 of the lower plate part 4 is installed at 2 to 3 parts. do.

The spiral connector 5a, the sleeve 5b and the clamp 5c of the reinforcing fixing part 5 are in the "insertion type deformed reinforcing bar joint device" which the applicant has registered as Utility Model Registration No. 20-223729. It is using the fitting of.

The cover structure of the steel pour depth adjustable steel pipe pile head of the present invention configured as described above inserts the steel pipe pile cover portion A in the upper part of the upper portion of the steel pipe pile 26 in which the upper end is protruded as follows. Install it.

That is, after the fastening bolts 3 pass through the two bolt insertion holes 1bb corresponding to each other of the upper plate part 1 to which the side wall part 2 is welded, respectively, the lower plate parts corresponding to the both bolt insertion holes 1bb, respectively. After coupling the lower ends of the fastening bolts 3 to the respective threaded holes 4a of (4), respectively, either of the rebar fixing holes 1ba and the upper plate part of each of the reinforcing bar holes 1ba of the upper plate part 1. After inserting the spiral connecting pipes 5a into the both side reinforcing holes 4b of the lower plate portions 4 respectively corresponding to the both side steel fixing holes 1ba of (1), the upper plate portion 1 and the lower plate portion 4 The nut 5d is tightened to the upper and lower sides of each of the spiral connecting pipes 5a to be in contact with each of the upper and lower surfaces of the spiral coupling pipe 5a, thereby connecting the spiral connecting pipe 5a to the upper plate 1 and the lower plate 4. After fixing to the respective screws, screw the upper threaded portion of the spiral connecting pipe (5a) and the threaded portion of the lower inner peripheral surface of the sleeve (5b) in which the clamp (5c) is built-in (24) is inserted into the insertion hole (5ba) of the sleeve (5b) of the upper plate portion 1 and pushed until it penetrates through the spiral connecting pipe (5a), and continuously pushed to secure the reinforcement of the lower plate portion (4) The spiral connecting pipe 5a is penetrated while being inserted into the insertion hole 5ba of the sleeve 5b provided in the ball 4b.

As the reinforcing bar 24 penetrates both side spiral connecting pipes 5a of the lower plate part 4, respectively, the clamp 5c embedded in the sleeve 5b bites the reinforcing bar 24, and the clamp 5c is reinforcing bar. When the sleeve 5b is turned in the bite state, the clamp 5c is moved to the upper end of the sleeve 5b so as not to flow so that the sleeve 5b is pushed on both sides of the clamp 5c. By pressing inward), the reinforcing bar 24 is tightened, and the reinforcing bar 24 is fixed to both reinforcing bar fixing parts 5 provided in the lower plate part 4.

As described above, when the lower end of the reinforcing bar 24 is firmly fixed to both reinforcing bars 5 installed on the lower plate part 4, the lower end part is coupled to the lower plate part 4 so as to move the lower plate part 4. Loosen the fastening bolt (3), and then push the both sides of the reinforcing bar 24 coupled to the lower plate portion 4 to the desired depth to reach a predetermined desired position when the both sides of the reinforcing bars of the upper plate (1) (5) By turning and tightening the sleeves 5b as described above, both clamps 5c tighten the reinforcing bars 24 so that the upper plate 1 and the lower plate 4 of the steel pipe pile cover A are firmly coupled. Will be.

After the upper plate portion 1 and the lower plate portion 4 are firmly coupled to each other, the remaining bar-shaped reinforcing bars 24 are respectively installed in the remaining rebar fixing holes 1ba of the upper plate portion 1 according to the rebar assembling method. After penetrating the insertion hole 5ba of the sleeve 5b of the reinforcing bar 5, the two clamps 5c, and the inside of the spiral connecting pipe 5a, respectively, the bottom surface of each of the reinforcing bars 24. And the sleeve 5b of each of the reinforcing bars 5 of the upper plate 1 in the same manner as above, respectively, after contacting the upper surfaces of the lower plate portions 4, respectively, as described above. The upper plate portion 1 and the lower plate portion 4 to which the portion 2 is welded are firmly coupled.

When each of the reinforcing bars 24 is fixed to each of the reinforcing bars 5, the base concrete reinforcing bars 24 are disposed and then the foundation concrete 27 is poured into the concrete foundation as well as the steel pipe pile 26 installed above. The lower concrete part 4 into which the basic concrete 27 enters into the steel pipe pile part A and the steel pipe pile 26 through the hollow part 1a of the upper plate part 1 of the steel pipe pile part A, and descends to the lower side. Will be filled up.

The bolt insertion hole 2a is formed in the side wall part 2 in a zigzag direction as shown in the drawing, and the bolt of the steel pipe pile 26 fastened to the side wall part 2 and the fastening bolt 28. The insertion hole 26a is also formed in a zigzag direction so as to correspond to the bolt insertion hole 2a of the side wall portion 2, respectively, so that the side wall portion 2 and the upper end of the steel pipe pile 26 of the steel pipe pile cover A are formed. By fastening with the fastening bolts 28, it is possible to prevent the strength of the steel pipe pile 26 from being lowered.

As described above, the present invention is because the reinforcing fixing parts (5) are respectively installed in the reinforcing bar holes (1ba) (4b) formed at regular intervals on the upper plate portion (1) and the lower plate portion (4) 5) Push or pull the reinforcing bar 24 penetrated into the spiral connection pipe 5a of 5) to position the lower plate part 4 on which the reinforcing bar 24 is fixed at an arbitrary height, and then the reinforcing bar of the upper plate part 1 Since the rebar 24 is fixed just by returning the sleeve 5b of the government 5, it is easy to install the steel pipe pile part A on the upper part of the steel pipe pile 26, and the steel pipe along the ground 6 Since the depth of the base concrete 27 is filled in the pile 26 can be arbitrarily adjusted, and in the present invention, the existing reinforcing bar 24 can be used as it is, the reinforcing bar 24 as in the prior art ) The problem that workability was deteriorated while working time was long due to machining by using screw part one by one) There is an effect that can eliminate the point.

Claims (3)

The upper plate part formed in the shape of the annular frame 1b in which the hollow part 1a was formed, and it welded in the perpendicular direction to the position which went inward as much as the thickness of the steel pipe pile 26 which is the bottom edge of the upper plate part, is fixed to the side part. Steel pipe pile consisting of a cylindrical side wall portion formed with a bolt insertion hole (2a) for fastening bolts at intervals, and a lower plate portion formed with a screw hole (4a) to be coupled to the upper plate portion slightly less than the outer diameter of the side wall portion A cover part; The side wall portion is inserted into the upper side of the steel pipe pile 26 protruding from the upper end portion of the steel pipe pile 26 by the fastening bolt 28 in the state that the upper surface of the steel pipe pile 26 in contact with the bottom surface of the edge of the upper plate portion (26) In the base concrete 27 is filled in the inside of the upper portion of the steel pipe pile 26 and the steel pipe pile cover portion coupled, A plurality of reinforcing bar holes 1ba are formed at regular intervals on the annular frame 1b of the upper plate part 1 so as to adjust the height of the lower plate part 4, and the reinforcing bars in the rebar fixing holes 1ba. (5) is provided, respectively, the bolt insertion hole (1bb) is formed on both sides, Reinforcing bar holes 4b are formed at both sides of the lower plate part 4 corresponding to either side of the reinforcing bar fixing holes 1ba of the upper plate part 1, and the reinforcing bars of the rebar fixing holes 4b are formed. While 5 is provided, screw holes 4a are formed on both sides of the lower plate portion 4 respectively corresponding to the bolt insertion holes 1bb on both sides of the upper plate portion 1, Reinforcing bars 24 are inserted into and fixed to the reinforcing fixing parts 5 of the upper plate part 1 and the lower plate part 4, and bolt insertion holes 1bb and screw holes of the upper plate part 1 and the lower plate part 4 are fixed. The cover structure of the head of the concrete pouring depth adjustable steel pipe pile, characterized in that (4a) is configured to engage or release by the fastening bolt (3). The reinforcing bar fixing part (5) is for fixing the reinforcing bar (24) inserted into each of the rebar fixing hole (1ba) of the upper plate portion (1) and both rebar fixing holes (4b) of the lower plate portion (4) In order to screw the upper end of the spiral connecting pipe (5a) is formed with a male thread on the outer circumferential surface, and the top of the spiral connecting pipe (5a) and the known sleeve (5b) of the shape inclined in the upper and lower light shape, and the slits Known both-side clamps 5c, which are built so as to correspond to each other while the outer surface is in contact with the inner surface of the sleeve 5b on both sides in the eve 5b, and each of the reinforcement holes of the upper plate portion 1 and the lower plate portion 4 (1ba) (4b) is screwed so that the nut (5d) is in contact with the upper and lower surfaces of the upper plate portion 1 and the lower plate portion (4) on the upper and lower sides of the outer peripheral surface of the spiral connection pipe (5a) is inserted and fixed The cover structure of the steel pipe pile head of the concrete pouring depth adjustable. The cover structure of claim 1, wherein the bolt insertion hole (2a) of the side wall portion (2) is formed in a zigzag direction in the side wall portion (2).